Commit | Line | Data |
---|---|---|
dc6f92b8 | 1 | /* X Communication module for terminals which understand the X protocol. |
1c7e22fd | 2 | Copyright (C) 1989, 93, 94, 95, 96, 1997, 1998, 1999, 2000 |
06a2c219 | 3 | Free Software Foundation, Inc. |
dc6f92b8 JB |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
7 | GNU Emacs is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
4746118a | 9 | the Free Software Foundation; either version 2, or (at your option) |
dc6f92b8 JB |
10 | any later version. |
11 | ||
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GNU Emacs; see the file COPYING. If not, write to | |
3b7ad313 EN |
19 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
20 | Boston, MA 02111-1307, USA. */ | |
dc6f92b8 | 21 | |
06a2c219 | 22 | /* New display code by Gerd Moellmann <gerd@gnu.org>. */ |
3afe33e7 RS |
23 | /* Xt features made by Fred Pierresteguy. */ |
24 | ||
68c45bf0 PE |
25 | #include <config.h> |
26 | ||
039440c4 | 27 | /* On 4.3 these lose if they come after xterm.h. */ |
039440c4 | 28 | /* Putting these at the beginning seems to be standard for other .c files. */ |
039440c4 RS |
29 | #include <signal.h> |
30 | ||
4846819e RS |
31 | #include <stdio.h> |
32 | ||
dc6f92b8 JB |
33 | #ifdef HAVE_X_WINDOWS |
34 | ||
35 | #include "lisp.h" | |
9ac0d9e0 | 36 | #include "blockinput.h" |
dc6f92b8 | 37 | |
ae79c227 AS |
38 | /* Need syssignal.h for various externs and definitions that may be required |
39 | by some configurations for calls to signal later in this source file. */ | |
40 | #include "syssignal.h" | |
41 | ||
dc6f92b8 JB |
42 | /* This may include sys/types.h, and that somehow loses |
43 | if this is not done before the other system files. */ | |
44 | #include "xterm.h" | |
f451eb13 | 45 | #include <X11/cursorfont.h> |
dc6f92b8 | 46 | |
16bd92ea | 47 | #ifndef USG |
dc6f92b8 JB |
48 | /* Load sys/types.h if not already loaded. |
49 | In some systems loading it twice is suicidal. */ | |
50 | #ifndef makedev | |
51 | #include <sys/types.h> | |
c118dd06 JB |
52 | #endif /* makedev */ |
53 | #endif /* USG */ | |
dc6f92b8 | 54 | |
6df54671 | 55 | #ifdef BSD_SYSTEM |
dc6f92b8 | 56 | #include <sys/ioctl.h> |
6df54671 | 57 | #endif /* ! defined (BSD_SYSTEM) */ |
dc6f92b8 | 58 | |
2d368234 | 59 | #include "systty.h" |
3a2712f9 | 60 | #include "systime.h" |
dc6f92b8 | 61 | |
b8009dd1 | 62 | #ifndef INCLUDED_FCNTL |
dc6f92b8 | 63 | #include <fcntl.h> |
b8009dd1 | 64 | #endif |
dc6f92b8 JB |
65 | #include <ctype.h> |
66 | #include <errno.h> | |
67 | #include <setjmp.h> | |
68 | #include <sys/stat.h> | |
a0a7635f RS |
69 | /* Caused redefinition of DBL_DIG on Netbsd; seems not to be needed. */ |
70 | /* #include <sys/param.h> */ | |
dc6f92b8 | 71 | |
dc43ef94 KH |
72 | #include "charset.h" |
73 | #include "ccl.h" | |
7a13e894 | 74 | #include "frame.h" |
dc6f92b8 | 75 | #include "dispextern.h" |
ee569018 | 76 | #include "fontset.h" |
dc6f92b8 JB |
77 | #include "termhooks.h" |
78 | #include "termopts.h" | |
79 | #include "termchar.h" | |
80 | #if 0 | |
81 | #include "sink.h" | |
82 | #include "sinkmask.h" | |
c118dd06 | 83 | #endif /* ! 0 */ |
dc6f92b8 | 84 | #include "gnu.h" |
dc6f92b8 | 85 | #include "disptab.h" |
dc6f92b8 | 86 | #include "buffer.h" |
f451eb13 | 87 | #include "window.h" |
3b2fa4e6 | 88 | #include "keyboard.h" |
bde7c500 | 89 | #include "intervals.h" |
dfcf069d | 90 | #include "process.h" |
bffcfca9 | 91 | #include "atimer.h" |
dc6f92b8 | 92 | |
d2bd6bc4 RS |
93 | #ifdef USE_X_TOOLKIT |
94 | #include <X11/Shell.h> | |
95 | #endif | |
96 | ||
06a2c219 GM |
97 | #include <sys/types.h> |
98 | #ifdef HAVE_SYS_TIME_H | |
99 | #include <sys/time.h> | |
100 | #endif | |
101 | #ifdef HAVE_UNISTD_H | |
102 | #include <unistd.h> | |
103 | #endif | |
104 | ||
3afe33e7 | 105 | #ifdef USE_X_TOOLKIT |
06a2c219 | 106 | |
9d7e2e3e | 107 | extern void free_frame_menubar (); |
2224b905 | 108 | extern FRAME_PTR x_menubar_window_to_frame (); |
06a2c219 | 109 | |
0fdff6bb RS |
110 | #if (XtSpecificationRelease >= 5) && !defined(NO_EDITRES) |
111 | #define HACK_EDITRES | |
112 | extern void _XEditResCheckMessages (); | |
113 | #endif /* not NO_EDITRES */ | |
06a2c219 GM |
114 | |
115 | /* Include toolkit specific headers for the scroll bar widget. */ | |
116 | ||
117 | #ifdef USE_TOOLKIT_SCROLL_BARS | |
118 | #if defined USE_MOTIF | |
119 | #include <Xm/Xm.h> /* for LESSTIF_VERSION */ | |
120 | #include <Xm/ScrollBar.h> | |
121 | #include <Xm/ScrollBarP.h> | |
ec18280f SM |
122 | #else /* !USE_MOTIF i.e. use Xaw */ |
123 | ||
124 | #ifdef HAVE_XAW3D | |
06a2c219 | 125 | #include <X11/Xaw3d/Simple.h> |
06a2c219 GM |
126 | #include <X11/Xaw3d/Scrollbar.h> |
127 | #define ARROW_SCROLLBAR | |
128 | #include <X11/Xaw3d/ScrollbarP.h> | |
ec18280f SM |
129 | #else /* !HAVE_XAW3D */ |
130 | #include <X11/Xaw/Simple.h> | |
131 | #include <X11/Xaw/Scrollbar.h> | |
132 | #endif /* !HAVE_XAW3D */ | |
133 | #ifndef XtNpickTop | |
134 | #define XtNpickTop "pickTop" | |
135 | #endif /* !XtNpickTop */ | |
136 | #endif /* !USE_MOTIF */ | |
06a2c219 GM |
137 | #endif /* USE_TOOLKIT_SCROLL_BARS */ |
138 | ||
3afe33e7 RS |
139 | #endif /* USE_X_TOOLKIT */ |
140 | ||
b849c413 RS |
141 | #ifndef USE_X_TOOLKIT |
142 | #define x_any_window_to_frame x_window_to_frame | |
5627c40e | 143 | #define x_top_window_to_frame x_window_to_frame |
b849c413 RS |
144 | #endif |
145 | ||
546e6d5b | 146 | #ifdef USE_X_TOOLKIT |
d067ea8b | 147 | #include "widget.h" |
546e6d5b RS |
148 | #ifndef XtNinitialState |
149 | #define XtNinitialState "initialState" | |
150 | #endif | |
151 | #endif | |
152 | ||
80528801 KH |
153 | #ifdef SOLARIS2 |
154 | /* memmove will be defined as a macro in Xfuncs.h unless | |
155 | <string.h> is included beforehand. The declaration for memmove in | |
156 | <string.h> will cause a syntax error when Xfuncs.h later includes it. */ | |
157 | #include <string.h> | |
158 | #endif | |
159 | ||
e4b68333 | 160 | #ifndef min |
06a2c219 | 161 | #define min(a,b) ((a) < (b) ? (a) : (b)) |
e4b68333 RS |
162 | #endif |
163 | #ifndef max | |
06a2c219 GM |
164 | #define max(a,b) ((a) > (b) ? (a) : (b)) |
165 | #endif | |
166 | ||
167 | #define abs(x) ((x) < 0 ? -(x) : (x)) | |
168 | ||
169 | #define BETWEEN(X, LOWER, UPPER) ((X) >= (LOWER) && (X) < (UPPER)) | |
170 | ||
171 | \f | |
172 | /* Bitmaps for truncated lines. */ | |
173 | ||
174 | enum bitmap_type | |
175 | { | |
176 | NO_BITMAP, | |
177 | LEFT_TRUNCATION_BITMAP, | |
178 | RIGHT_TRUNCATION_BITMAP, | |
179 | OVERLAY_ARROW_BITMAP, | |
180 | CONTINUED_LINE_BITMAP, | |
181 | CONTINUATION_LINE_BITMAP, | |
182 | ZV_LINE_BITMAP | |
183 | }; | |
184 | ||
185 | /* Bitmap drawn to indicate lines not displaying text if | |
186 | `indicate-empty-lines' is non-nil. */ | |
187 | ||
188 | #define zv_width 8 | |
189 | #define zv_height 8 | |
190 | static unsigned char zv_bits[] = { | |
191 | 0x00, 0x00, 0x1e, 0x1e, 0x1e, 0x1e, 0x00, 0x00}; | |
192 | ||
193 | /* An arrow like this: `<-'. */ | |
194 | ||
195 | #define left_width 8 | |
196 | #define left_height 8 | |
197 | static unsigned char left_bits[] = { | |
198 | 0x18, 0x0c, 0x06, 0x3f, 0x3f, 0x06, 0x0c, 0x18}; | |
199 | ||
110859fc GM |
200 | /* Right truncation arrow bitmap `->'. */ |
201 | ||
202 | #define right_width 8 | |
203 | #define right_height 8 | |
204 | static unsigned char right_bits[] = { | |
205 | 0x18, 0x30, 0x60, 0xfc, 0xfc, 0x60, 0x30, 0x18}; | |
206 | ||
06a2c219 GM |
207 | /* Marker for continued lines. */ |
208 | ||
209 | #define continued_width 8 | |
210 | #define continued_height 8 | |
211 | static unsigned char continued_bits[] = { | |
110859fc GM |
212 | 0x3c, 0x7c, 0xc0, 0xe4, 0xfc, 0x7c, 0x3c, 0x7c}; |
213 | ||
214 | /* Marker for continuation lines. */ | |
06a2c219 GM |
215 | |
216 | #define continuation_width 8 | |
217 | #define continuation_height 8 | |
218 | static unsigned char continuation_bits[] = { | |
110859fc | 219 | 0x3c, 0x3e, 0x03, 0x27, 0x3f, 0x3e, 0x3c, 0x3e}; |
06a2c219 | 220 | |
110859fc | 221 | /* Overlay arrow bitmap. */ |
06a2c219 | 222 | |
110859fc GM |
223 | #if 0 |
224 | /* A bomb. */ | |
06a2c219 GM |
225 | #define ov_width 8 |
226 | #define ov_height 8 | |
227 | static unsigned char ov_bits[] = { | |
228 | 0x30, 0x08, 0x3c, 0x7e, 0x7a, 0x7a, 0x62, 0x3c}; | |
06a2c219 | 229 | #else |
110859fc | 230 | /* A triangular arrow. */ |
06a2c219 GM |
231 | #define ov_width 8 |
232 | #define ov_height 8 | |
233 | static unsigned char ov_bits[] = { | |
110859fc GM |
234 | 0x03, 0x0f, 0x1f, 0x3f, 0x3f, 0x1f, 0x0f, 0x03}; |
235 | ||
e4b68333 | 236 | #endif |
06a2c219 GM |
237 | |
238 | extern Lisp_Object Qhelp_echo; | |
239 | ||
69388238 | 240 | \f |
06a2c219 GM |
241 | /* Non-zero means Emacs uses toolkit scroll bars. */ |
242 | ||
243 | int x_toolkit_scroll_bars_p; | |
244 | ||
245 | /* If a string, XTread_socket generates an event to display that string. | |
246 | (The display is done in read_char.) */ | |
247 | ||
248 | static Lisp_Object help_echo; | |
249 | ||
250 | /* Temporary variable for XTread_socket. */ | |
251 | ||
252 | static Lisp_Object previous_help_echo; | |
253 | ||
254 | /* Non-zero means that a HELP_EVENT has been generated since Emacs | |
255 | start. */ | |
256 | ||
257 | static int any_help_event_p; | |
258 | ||
259 | /* Non-zero means draw block and hollow cursor as wide as the glyph | |
260 | under it. For example, if a block cursor is over a tab, it will be | |
261 | drawn as wide as that tab on the display. */ | |
262 | ||
263 | int x_stretch_cursor_p; | |
264 | ||
265 | /* This is a chain of structures for all the X displays currently in | |
266 | use. */ | |
267 | ||
334208b7 | 268 | struct x_display_info *x_display_list; |
dc6f92b8 | 269 | |
06a2c219 GM |
270 | /* This is a list of cons cells, each of the form (NAME |
271 | . FONT-LIST-CACHE), one for each element of x_display_list and in | |
272 | the same order. NAME is the name of the frame. FONT-LIST-CACHE | |
273 | records previous values returned by x-list-fonts. */ | |
274 | ||
7a13e894 | 275 | Lisp_Object x_display_name_list; |
f451eb13 | 276 | |
987d2ad1 | 277 | /* Frame being updated by update_frame. This is declared in term.c. |
06a2c219 GM |
278 | This is set by update_begin and looked at by all the XT functions. |
279 | It is zero while not inside an update. In that case, the XT | |
280 | functions assume that `selected_frame' is the frame to apply to. */ | |
281 | ||
d0386f2a | 282 | extern struct frame *updating_frame; |
dc6f92b8 | 283 | |
dfcf069d | 284 | extern int waiting_for_input; |
0e81d8cd | 285 | |
06a2c219 GM |
286 | /* This is a frame waiting to be auto-raised, within XTread_socket. */ |
287 | ||
0134a210 RS |
288 | struct frame *pending_autoraise_frame; |
289 | ||
7f9c7f94 RS |
290 | #ifdef USE_X_TOOLKIT |
291 | /* The application context for Xt use. */ | |
292 | XtAppContext Xt_app_con; | |
06a2c219 GM |
293 | static String Xt_default_resources[] = {0}; |
294 | #endif /* USE_X_TOOLKIT */ | |
665881ad | 295 | |
06a2c219 GM |
296 | /* Nominal cursor position -- where to draw output. |
297 | HPOS and VPOS are window relative glyph matrix coordinates. | |
298 | X and Y are window relative pixel coordinates. */ | |
dc6f92b8 | 299 | |
06a2c219 | 300 | struct cursor_pos output_cursor; |
dc6f92b8 | 301 | |
bffcfca9 GM |
302 | /* Non-zero means user is interacting with a toolkit scroll bar. */ |
303 | ||
304 | static int toolkit_scroll_bar_interaction; | |
dc6f92b8 | 305 | |
69388238 RS |
306 | /* Mouse movement. |
307 | ||
06a2c219 | 308 | Formerly, we used PointerMotionHintMask (in standard_event_mask) |
f5bb65ec RS |
309 | so that we would have to call XQueryPointer after each MotionNotify |
310 | event to ask for another such event. However, this made mouse tracking | |
311 | slow, and there was a bug that made it eventually stop. | |
312 | ||
313 | Simply asking for MotionNotify all the time seems to work better. | |
314 | ||
69388238 RS |
315 | In order to avoid asking for motion events and then throwing most |
316 | of them away or busy-polling the server for mouse positions, we ask | |
317 | the server for pointer motion hints. This means that we get only | |
318 | one event per group of mouse movements. "Groups" are delimited by | |
319 | other kinds of events (focus changes and button clicks, for | |
320 | example), or by XQueryPointer calls; when one of these happens, we | |
321 | get another MotionNotify event the next time the mouse moves. This | |
322 | is at least as efficient as getting motion events when mouse | |
323 | tracking is on, and I suspect only negligibly worse when tracking | |
f5bb65ec | 324 | is off. */ |
69388238 RS |
325 | |
326 | /* Where the mouse was last time we reported a mouse event. */ | |
69388238 | 327 | |
06a2c219 GM |
328 | FRAME_PTR last_mouse_frame; |
329 | static XRectangle last_mouse_glyph; | |
2237cac9 RS |
330 | static Lisp_Object last_mouse_press_frame; |
331 | ||
69388238 RS |
332 | /* The scroll bar in which the last X motion event occurred. |
333 | ||
06a2c219 GM |
334 | If the last X motion event occurred in a scroll bar, we set this so |
335 | XTmouse_position can know whether to report a scroll bar motion or | |
69388238 RS |
336 | an ordinary motion. |
337 | ||
06a2c219 GM |
338 | If the last X motion event didn't occur in a scroll bar, we set |
339 | this to Qnil, to tell XTmouse_position to return an ordinary motion | |
340 | event. */ | |
341 | ||
69388238 RS |
342 | static Lisp_Object last_mouse_scroll_bar; |
343 | ||
69388238 RS |
344 | /* This is a hack. We would really prefer that XTmouse_position would |
345 | return the time associated with the position it returns, but there | |
06a2c219 | 346 | doesn't seem to be any way to wrest the time-stamp from the server |
69388238 RS |
347 | along with the position query. So, we just keep track of the time |
348 | of the last movement we received, and return that in hopes that | |
349 | it's somewhat accurate. */ | |
06a2c219 | 350 | |
69388238 RS |
351 | static Time last_mouse_movement_time; |
352 | ||
06a2c219 GM |
353 | /* Incremented by XTread_socket whenever it really tries to read |
354 | events. */ | |
355 | ||
c0a04927 RS |
356 | #ifdef __STDC__ |
357 | static int volatile input_signal_count; | |
358 | #else | |
359 | static int input_signal_count; | |
360 | #endif | |
361 | ||
7a13e894 | 362 | /* Used locally within XTread_socket. */ |
06a2c219 | 363 | |
7a13e894 | 364 | static int x_noop_count; |
dc6f92b8 | 365 | |
7a13e894 | 366 | /* Initial values of argv and argc. */ |
06a2c219 | 367 | |
7a13e894 RS |
368 | extern char **initial_argv; |
369 | extern int initial_argc; | |
dc6f92b8 | 370 | |
7a13e894 | 371 | extern Lisp_Object Vcommand_line_args, Vsystem_name; |
dc6f92b8 | 372 | |
06a2c219 | 373 | /* Tells if a window manager is present or not. */ |
7a13e894 RS |
374 | |
375 | extern Lisp_Object Vx_no_window_manager; | |
dc6f92b8 | 376 | |
c2df547c | 377 | extern Lisp_Object Qface, Qmouse_face; |
b8009dd1 | 378 | |
dc6f92b8 JB |
379 | extern int errno; |
380 | ||
dfeccd2d | 381 | /* A mask of extra modifier bits to put into every keyboard char. */ |
06a2c219 | 382 | |
64bb1782 RS |
383 | extern int extra_keyboard_modifiers; |
384 | ||
59e755be KH |
385 | static Lisp_Object Qvendor_specific_keysyms; |
386 | ||
334208b7 | 387 | extern XrmDatabase x_load_resources (); |
c32cdd9a KH |
388 | extern Lisp_Object x_icon_type (); |
389 | ||
7a13e894 | 390 | |
06a2c219 GM |
391 | /* Enumeration for overriding/changing the face to use for drawing |
392 | glyphs in x_draw_glyphs. */ | |
393 | ||
394 | enum draw_glyphs_face | |
395 | { | |
396 | DRAW_NORMAL_TEXT, | |
397 | DRAW_INVERSE_VIDEO, | |
398 | DRAW_CURSOR, | |
399 | DRAW_MOUSE_FACE, | |
400 | DRAW_IMAGE_RAISED, | |
401 | DRAW_IMAGE_SUNKEN | |
402 | }; | |
403 | ||
404 | static void x_update_window_end P_ ((struct window *, int)); | |
405 | static void frame_to_window_pixel_xy P_ ((struct window *, int *, int *)); | |
406 | void x_delete_display P_ ((struct x_display_info *)); | |
407 | static unsigned int x_x_to_emacs_modifiers P_ ((struct x_display_info *, | |
408 | unsigned)); | |
409 | static int fast_find_position P_ ((struct window *, int, int *, int *, | |
410 | int *, int *)); | |
411 | static void set_output_cursor P_ ((struct cursor_pos *)); | |
412 | static struct glyph *x_y_to_hpos_vpos P_ ((struct window *, int, int, | |
413 | int *, int *, int *)); | |
414 | static void note_mode_line_highlight P_ ((struct window *, int, int)); | |
415 | static void x_check_font P_ ((struct frame *, XFontStruct *)); | |
416 | static void note_mouse_highlight P_ ((struct frame *, int, int)); | |
9ea173e8 GM |
417 | static void note_tool_bar_highlight P_ ((struct frame *f, int, int)); |
418 | static void x_handle_tool_bar_click P_ ((struct frame *, XButtonEvent *)); | |
06a2c219 GM |
419 | static void show_mouse_face P_ ((struct x_display_info *, |
420 | enum draw_glyphs_face)); | |
421 | static int x_io_error_quitter P_ ((Display *)); | |
422 | int x_catch_errors P_ ((Display *)); | |
423 | void x_uncatch_errors P_ ((Display *, int)); | |
424 | void x_lower_frame P_ ((struct frame *)); | |
425 | void x_scroll_bar_clear P_ ((struct frame *)); | |
426 | int x_had_errors_p P_ ((Display *)); | |
427 | void x_wm_set_size_hint P_ ((struct frame *, long, int)); | |
428 | void x_raise_frame P_ ((struct frame *)); | |
429 | void x_set_window_size P_ ((struct frame *, int, int, int)); | |
430 | void x_wm_set_window_state P_ ((struct frame *, int)); | |
431 | void x_wm_set_icon_pixmap P_ ((struct frame *, int)); | |
432 | void x_initialize P_ ((void)); | |
433 | static void x_font_min_bounds P_ ((XFontStruct *, int *, int *)); | |
434 | static int x_compute_min_glyph_bounds P_ ((struct frame *)); | |
435 | static void x_draw_phys_cursor_glyph P_ ((struct window *, | |
436 | struct glyph_row *, | |
437 | enum draw_glyphs_face)); | |
438 | static void x_update_end P_ ((struct frame *)); | |
439 | static void XTframe_up_to_date P_ ((struct frame *)); | |
440 | static void XTreassert_line_highlight P_ ((int, int)); | |
441 | static void x_change_line_highlight P_ ((int, int, int, int)); | |
442 | static void XTset_terminal_modes P_ ((void)); | |
443 | static void XTreset_terminal_modes P_ ((void)); | |
444 | static void XTcursor_to P_ ((int, int, int, int)); | |
445 | static void x_write_glyphs P_ ((struct glyph *, int)); | |
446 | static void x_clear_end_of_line P_ ((int)); | |
447 | static void x_clear_frame P_ ((void)); | |
448 | static void x_clear_cursor P_ ((struct window *)); | |
449 | static void frame_highlight P_ ((struct frame *)); | |
450 | static void frame_unhighlight P_ ((struct frame *)); | |
451 | static void x_new_focus_frame P_ ((struct x_display_info *, struct frame *)); | |
452 | static void XTframe_rehighlight P_ ((struct frame *)); | |
453 | static void x_frame_rehighlight P_ ((struct x_display_info *)); | |
454 | static void x_draw_hollow_cursor P_ ((struct window *, struct glyph_row *)); | |
f02d8aa0 | 455 | static void x_draw_bar_cursor P_ ((struct window *, struct glyph_row *, int)); |
06a2c219 GM |
456 | static int x_intersect_rectangles P_ ((XRectangle *, XRectangle *, |
457 | XRectangle *)); | |
458 | static void expose_frame P_ ((struct frame *, int, int, int, int)); | |
459 | static void expose_window_tree P_ ((struct window *, XRectangle *)); | |
460 | static void expose_window P_ ((struct window *, XRectangle *)); | |
461 | static void expose_area P_ ((struct window *, struct glyph_row *, | |
462 | XRectangle *, enum glyph_row_area)); | |
463 | static void expose_line P_ ((struct window *, struct glyph_row *, | |
464 | XRectangle *)); | |
465 | static void x_update_cursor_in_window_tree P_ ((struct window *, int)); | |
466 | static void x_update_window_cursor P_ ((struct window *, int)); | |
467 | static void x_erase_phys_cursor P_ ((struct window *)); | |
468 | void x_display_and_set_cursor P_ ((struct window *, int, int, int, int, int)); | |
469 | static void x_draw_bitmap P_ ((struct window *, struct glyph_row *, | |
470 | enum bitmap_type)); | |
471 | ||
472 | static void x_clip_to_row P_ ((struct window *, struct glyph_row *, | |
473 | GC, int)); | |
474 | static int x_phys_cursor_in_rect_p P_ ((struct window *, XRectangle *)); | |
475 | static void x_draw_row_bitmaps P_ ((struct window *, struct glyph_row *)); | |
476 | static void note_overwritten_text_cursor P_ ((struct window *, int, int)); | |
477 | static void x_flush P_ ((struct frame *f)); | |
478 | ||
479 | ||
480 | /* Flush display of frame F, or of all frames if F is null. */ | |
481 | ||
482 | static void | |
483 | x_flush (f) | |
484 | struct frame *f; | |
485 | { | |
486 | BLOCK_INPUT; | |
487 | if (f == NULL) | |
488 | { | |
489 | Lisp_Object rest, frame; | |
490 | FOR_EACH_FRAME (rest, frame) | |
491 | x_flush (XFRAME (frame)); | |
492 | } | |
493 | else if (FRAME_X_P (f)) | |
494 | XFlush (FRAME_X_DISPLAY (f)); | |
495 | UNBLOCK_INPUT; | |
496 | } | |
497 | ||
dc6f92b8 | 498 | |
06a2c219 GM |
499 | /* Remove calls to XFlush by defining XFlush to an empty replacement. |
500 | Calls to XFlush should be unnecessary because the X output buffer | |
501 | is flushed automatically as needed by calls to XPending, | |
502 | XNextEvent, or XWindowEvent according to the XFlush man page. | |
503 | XTread_socket calls XPending. Removing XFlush improves | |
504 | performance. */ | |
505 | ||
506 | #define XFlush(DISPLAY) (void) 0 | |
b8009dd1 | 507 | |
334208b7 | 508 | \f |
06a2c219 GM |
509 | /*********************************************************************** |
510 | Debugging | |
511 | ***********************************************************************/ | |
512 | ||
9382638d | 513 | #if 0 |
06a2c219 GM |
514 | |
515 | /* This is a function useful for recording debugging information about | |
516 | the sequence of occurrences in this file. */ | |
9382638d KH |
517 | |
518 | struct record | |
519 | { | |
520 | char *locus; | |
521 | int type; | |
522 | }; | |
523 | ||
524 | struct record event_record[100]; | |
525 | ||
526 | int event_record_index; | |
527 | ||
528 | record_event (locus, type) | |
529 | char *locus; | |
530 | int type; | |
531 | { | |
532 | if (event_record_index == sizeof (event_record) / sizeof (struct record)) | |
533 | event_record_index = 0; | |
534 | ||
535 | event_record[event_record_index].locus = locus; | |
536 | event_record[event_record_index].type = type; | |
537 | event_record_index++; | |
538 | } | |
539 | ||
540 | #endif /* 0 */ | |
06a2c219 GM |
541 | |
542 | ||
9382638d | 543 | \f |
334208b7 RS |
544 | /* Return the struct x_display_info corresponding to DPY. */ |
545 | ||
546 | struct x_display_info * | |
547 | x_display_info_for_display (dpy) | |
548 | Display *dpy; | |
549 | { | |
550 | struct x_display_info *dpyinfo; | |
551 | ||
552 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
553 | if (dpyinfo->display == dpy) | |
554 | return dpyinfo; | |
16bd92ea | 555 | |
334208b7 RS |
556 | return 0; |
557 | } | |
f451eb13 | 558 | |
06a2c219 GM |
559 | |
560 | \f | |
561 | /*********************************************************************** | |
562 | Starting and ending an update | |
563 | ***********************************************************************/ | |
564 | ||
565 | /* Start an update of frame F. This function is installed as a hook | |
566 | for update_begin, i.e. it is called when update_begin is called. | |
567 | This function is called prior to calls to x_update_window_begin for | |
568 | each window being updated. Currently, there is nothing to do here | |
569 | because all interesting stuff is done on a window basis. */ | |
dc6f92b8 | 570 | |
dfcf069d | 571 | static void |
06a2c219 | 572 | x_update_begin (f) |
f676886a | 573 | struct frame *f; |
58769bee | 574 | { |
06a2c219 GM |
575 | /* Nothing to do. */ |
576 | } | |
dc6f92b8 | 577 | |
dc6f92b8 | 578 | |
06a2c219 GM |
579 | /* Start update of window W. Set the global variable updated_window |
580 | to the window being updated and set output_cursor to the cursor | |
581 | position of W. */ | |
dc6f92b8 | 582 | |
06a2c219 GM |
583 | static void |
584 | x_update_window_begin (w) | |
585 | struct window *w; | |
586 | { | |
587 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
588 | struct x_display_info *display_info = FRAME_X_DISPLAY_INFO (f); | |
589 | ||
590 | updated_window = w; | |
591 | set_output_cursor (&w->cursor); | |
b8009dd1 | 592 | |
06a2c219 | 593 | BLOCK_INPUT; |
d1bc4182 | 594 | |
06a2c219 | 595 | if (f == display_info->mouse_face_mouse_frame) |
b8009dd1 | 596 | { |
514e4681 | 597 | /* Don't do highlighting for mouse motion during the update. */ |
06a2c219 | 598 | display_info->mouse_face_defer = 1; |
37c2c98b | 599 | |
06a2c219 GM |
600 | /* If F needs to be redrawn, simply forget about any prior mouse |
601 | highlighting. */ | |
9f67f20b | 602 | if (FRAME_GARBAGED_P (f)) |
06a2c219 GM |
603 | display_info->mouse_face_window = Qnil; |
604 | ||
605 | /* Can we tell that this update does not affect the window | |
606 | where the mouse highlight is? If so, no need to turn off. | |
607 | Likewise, don't do anything if the frame is garbaged; | |
608 | in that case, the frame's current matrix that we would use | |
609 | is all wrong, and we will redisplay that line anyway. */ | |
610 | if (!NILP (display_info->mouse_face_window) | |
611 | && w == XWINDOW (display_info->mouse_face_window)) | |
514e4681 | 612 | { |
06a2c219 | 613 | int i; |
514e4681 | 614 | |
06a2c219 GM |
615 | for (i = 0; i < w->desired_matrix->nrows; ++i) |
616 | if (MATRIX_ROW_ENABLED_P (w->desired_matrix, i)) | |
514e4681 RS |
617 | break; |
618 | ||
06a2c219 GM |
619 | if (i < w->desired_matrix->nrows) |
620 | clear_mouse_face (display_info); | |
514e4681 | 621 | } |
b8009dd1 | 622 | } |
6ccf47d1 | 623 | |
dc6f92b8 JB |
624 | UNBLOCK_INPUT; |
625 | } | |
626 | ||
06a2c219 GM |
627 | |
628 | /* Draw a vertical window border to the right of window W if W doesn't | |
629 | have vertical scroll bars. */ | |
630 | ||
dfcf069d | 631 | static void |
06a2c219 GM |
632 | x_draw_vertical_border (w) |
633 | struct window *w; | |
58769bee | 634 | { |
06a2c219 GM |
635 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
636 | ||
637 | /* Redraw borders between horizontally adjacent windows. Don't | |
638 | do it for frames with vertical scroll bars because either the | |
639 | right scroll bar of a window, or the left scroll bar of its | |
640 | neighbor will suffice as a border. */ | |
641 | if (!WINDOW_RIGHTMOST_P (w) | |
642 | && !FRAME_HAS_VERTICAL_SCROLL_BARS (f)) | |
643 | { | |
644 | int x0, x1, y0, y1; | |
dc6f92b8 | 645 | |
06a2c219 | 646 | window_box_edges (w, -1, &x0, &y0, &x1, &y1); |
110859fc | 647 | x1 += FRAME_X_RIGHT_FLAGS_AREA_WIDTH (f); |
06a2c219 GM |
648 | y1 -= 1; |
649 | ||
650 | XDrawLine (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
651 | f->output_data.x->normal_gc, x1, y0, x1, y1); | |
652 | } | |
653 | } | |
654 | ||
655 | ||
656 | /* End update of window W (which is equal to updated_window). Draw | |
657 | vertical borders between horizontally adjacent windows, and display | |
658 | W's cursor if CURSOR_ON_P is non-zero. W may be a menu bar | |
659 | pseudo-window in case we don't have X toolkit support. Such | |
660 | windows don't have a cursor, so don't display it here. */ | |
661 | ||
662 | static void | |
663 | x_update_window_end (w, cursor_on_p) | |
664 | struct window *w; | |
665 | int cursor_on_p; | |
666 | { | |
667 | if (!w->pseudo_window_p) | |
668 | { | |
669 | BLOCK_INPUT; | |
670 | if (cursor_on_p) | |
671 | x_display_and_set_cursor (w, 1, output_cursor.hpos, | |
672 | output_cursor.vpos, | |
673 | output_cursor.x, output_cursor.y); | |
674 | x_draw_vertical_border (w); | |
675 | UNBLOCK_INPUT; | |
676 | } | |
677 | ||
678 | updated_window = NULL; | |
679 | } | |
dc6f92b8 | 680 | |
dc6f92b8 | 681 | |
06a2c219 GM |
682 | /* End update of frame F. This function is installed as a hook in |
683 | update_end. */ | |
684 | ||
685 | static void | |
686 | x_update_end (f) | |
687 | struct frame *f; | |
688 | { | |
689 | /* Mouse highlight may be displayed again. */ | |
aa8bff2e | 690 | FRAME_X_DISPLAY_INFO (f)->mouse_face_defer = 0; |
b8009dd1 | 691 | |
06a2c219 | 692 | BLOCK_INPUT; |
334208b7 | 693 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
694 | UNBLOCK_INPUT; |
695 | } | |
b8009dd1 | 696 | |
06a2c219 GM |
697 | |
698 | /* This function is called from various places in xdisp.c whenever a | |
699 | complete update has been performed. The global variable | |
700 | updated_window is not available here. */ | |
b8009dd1 | 701 | |
dfcf069d | 702 | static void |
b8009dd1 | 703 | XTframe_up_to_date (f) |
06a2c219 | 704 | struct frame *f; |
b8009dd1 | 705 | { |
06a2c219 | 706 | if (FRAME_X_P (f)) |
514e4681 | 707 | { |
06a2c219 GM |
708 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
709 | if (dpyinfo->mouse_face_deferred_gc | |
710 | || f == dpyinfo->mouse_face_mouse_frame) | |
711 | { | |
712 | BLOCK_INPUT; | |
713 | if (dpyinfo->mouse_face_mouse_frame) | |
714 | note_mouse_highlight (dpyinfo->mouse_face_mouse_frame, | |
715 | dpyinfo->mouse_face_mouse_x, | |
716 | dpyinfo->mouse_face_mouse_y); | |
717 | dpyinfo->mouse_face_deferred_gc = 0; | |
718 | UNBLOCK_INPUT; | |
719 | } | |
514e4681 | 720 | } |
b8009dd1 | 721 | } |
06a2c219 GM |
722 | |
723 | ||
724 | /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay | |
725 | arrow bitmaps, or clear the areas where they would be displayed | |
726 | before DESIRED_ROW is made current. The window being updated is | |
727 | found in updated_window. This function It is called from | |
728 | update_window_line only if it is known that there are differences | |
729 | between bitmaps to be drawn between current row and DESIRED_ROW. */ | |
730 | ||
731 | static void | |
732 | x_after_update_window_line (desired_row) | |
733 | struct glyph_row *desired_row; | |
734 | { | |
735 | struct window *w = updated_window; | |
736 | ||
737 | xassert (w); | |
738 | ||
739 | if (!desired_row->mode_line_p && !w->pseudo_window_p) | |
740 | { | |
741 | BLOCK_INPUT; | |
742 | x_draw_row_bitmaps (w, desired_row); | |
743 | ||
744 | /* When a window has disappeared, make sure that no rest of | |
745 | full-width rows stays visible in the internal border. */ | |
746 | if (windows_or_buffers_changed) | |
747 | { | |
748 | struct frame *f = XFRAME (w->frame); | |
749 | int width = FRAME_INTERNAL_BORDER_WIDTH (f); | |
750 | int height = desired_row->visible_height; | |
110859fc GM |
751 | int x = (window_box_right (w, -1) |
752 | + FRAME_X_RIGHT_FLAGS_AREA_WIDTH (f)); | |
06a2c219 GM |
753 | int y = WINDOW_TO_FRAME_PIXEL_Y (w, max (0, desired_row->y)); |
754 | ||
755 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
756 | x, y, width, height, False); | |
757 | } | |
758 | ||
759 | UNBLOCK_INPUT; | |
760 | } | |
761 | } | |
762 | ||
763 | ||
764 | /* Draw the bitmap WHICH in one of the areas to the left or right of | |
765 | window W. ROW is the glyph row for which to display the bitmap; it | |
766 | determines the vertical position at which the bitmap has to be | |
767 | drawn. */ | |
768 | ||
769 | static void | |
770 | x_draw_bitmap (w, row, which) | |
771 | struct window *w; | |
772 | struct glyph_row *row; | |
773 | enum bitmap_type which; | |
774 | { | |
775 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
776 | Display *display = FRAME_X_DISPLAY (f); | |
777 | Window window = FRAME_X_WINDOW (f); | |
778 | int x, y, wd, h, dy; | |
779 | unsigned char *bits; | |
780 | Pixmap pixmap; | |
781 | GC gc = f->output_data.x->normal_gc; | |
782 | struct face *face; | |
783 | int depth = DefaultDepthOfScreen (FRAME_X_SCREEN (f)); | |
784 | ||
785 | /* Must clip because of partially visible lines. */ | |
786 | x_clip_to_row (w, row, gc, 1); | |
787 | ||
788 | switch (which) | |
789 | { | |
790 | case LEFT_TRUNCATION_BITMAP: | |
791 | wd = left_width; | |
792 | h = left_height; | |
793 | bits = left_bits; | |
794 | x = (WINDOW_TO_FRAME_PIXEL_X (w, 0) | |
795 | - wd | |
110859fc | 796 | - (FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) - wd) / 2); |
06a2c219 GM |
797 | break; |
798 | ||
799 | case OVERLAY_ARROW_BITMAP: | |
800 | wd = left_width; | |
801 | h = left_height; | |
802 | bits = ov_bits; | |
803 | x = (WINDOW_TO_FRAME_PIXEL_X (w, 0) | |
804 | - wd | |
110859fc | 805 | - (FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) - wd) / 2); |
06a2c219 GM |
806 | break; |
807 | ||
808 | case RIGHT_TRUNCATION_BITMAP: | |
809 | wd = right_width; | |
810 | h = right_height; | |
811 | bits = right_bits; | |
812 | x = window_box_right (w, -1); | |
110859fc | 813 | x += (FRAME_X_RIGHT_FLAGS_AREA_WIDTH (f) - wd) / 2; |
06a2c219 GM |
814 | break; |
815 | ||
816 | case CONTINUED_LINE_BITMAP: | |
817 | wd = right_width; | |
818 | h = right_height; | |
819 | bits = continued_bits; | |
820 | x = window_box_right (w, -1); | |
110859fc | 821 | x += (FRAME_X_RIGHT_FLAGS_AREA_WIDTH (f) - wd) / 2; |
06a2c219 GM |
822 | break; |
823 | ||
824 | case CONTINUATION_LINE_BITMAP: | |
825 | wd = continuation_width; | |
826 | h = continuation_height; | |
827 | bits = continuation_bits; | |
828 | x = (WINDOW_TO_FRAME_PIXEL_X (w, 0) | |
829 | - wd | |
110859fc | 830 | - (FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) - wd) / 2); |
06a2c219 GM |
831 | break; |
832 | ||
833 | case ZV_LINE_BITMAP: | |
834 | wd = zv_width; | |
835 | h = zv_height; | |
836 | bits = zv_bits; | |
837 | x = (WINDOW_TO_FRAME_PIXEL_X (w, 0) | |
838 | - wd | |
110859fc | 839 | - (FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) - wd) / 2); |
06a2c219 GM |
840 | break; |
841 | ||
842 | default: | |
843 | abort (); | |
844 | } | |
845 | ||
846 | /* Convert to frame coordinates. Set dy to the offset in the row to | |
847 | start drawing the bitmap. */ | |
848 | y = WINDOW_TO_FRAME_PIXEL_Y (w, row->y); | |
849 | dy = (row->height - h) / 2; | |
850 | ||
851 | /* Draw the bitmap. I believe these small pixmaps can be cached | |
852 | by the server. */ | |
853 | face = FACE_FROM_ID (f, BITMAP_AREA_FACE_ID); | |
854 | pixmap = XCreatePixmapFromBitmapData (display, window, bits, wd, h, | |
855 | face->foreground, | |
856 | face->background, depth); | |
857 | XCopyArea (display, pixmap, window, gc, 0, 0, wd, h, x, y + dy); | |
858 | XFreePixmap (display, pixmap); | |
859 | XSetClipMask (display, gc, None); | |
860 | } | |
861 | ||
862 | ||
863 | /* Draw flags bitmaps for glyph row ROW on window W. Call this | |
864 | function with input blocked. */ | |
865 | ||
866 | static void | |
867 | x_draw_row_bitmaps (w, row) | |
868 | struct window *w; | |
869 | struct glyph_row *row; | |
870 | { | |
871 | struct frame *f = XFRAME (w->frame); | |
872 | enum bitmap_type bitmap; | |
873 | struct face *face; | |
045dee35 | 874 | int header_line_height = -1; |
06a2c219 GM |
875 | |
876 | xassert (interrupt_input_blocked); | |
877 | ||
878 | /* If row is completely invisible, because of vscrolling, we | |
879 | don't have to draw anything. */ | |
880 | if (row->visible_height <= 0) | |
881 | return; | |
882 | ||
883 | face = FACE_FROM_ID (f, BITMAP_AREA_FACE_ID); | |
884 | PREPARE_FACE_FOR_DISPLAY (f, face); | |
885 | ||
886 | /* Decide which bitmap to draw at the left side. */ | |
887 | if (row->overlay_arrow_p) | |
888 | bitmap = OVERLAY_ARROW_BITMAP; | |
889 | else if (row->truncated_on_left_p) | |
890 | bitmap = LEFT_TRUNCATION_BITMAP; | |
891 | else if (MATRIX_ROW_CONTINUATION_LINE_P (row)) | |
892 | bitmap = CONTINUATION_LINE_BITMAP; | |
893 | else if (row->indicate_empty_line_p) | |
894 | bitmap = ZV_LINE_BITMAP; | |
895 | else | |
896 | bitmap = NO_BITMAP; | |
897 | ||
898 | /* Clear flags area if no bitmap to draw or if bitmap doesn't fill | |
899 | the flags area. */ | |
900 | if (bitmap == NO_BITMAP | |
110859fc | 901 | || FRAME_FLAGS_BITMAP_WIDTH (f) < FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) |
06a2c219 GM |
902 | || row->height > FRAME_FLAGS_BITMAP_HEIGHT (f)) |
903 | { | |
904 | /* If W has a vertical border to its left, don't draw over it. */ | |
905 | int border = ((XFASTINT (w->left) > 0 | |
906 | && !FRAME_HAS_VERTICAL_SCROLL_BARS (f)) | |
907 | ? 1 : 0); | |
908 | int left = window_box_left (w, -1); | |
909 | ||
045dee35 GM |
910 | if (header_line_height < 0) |
911 | header_line_height = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w); | |
dcd08bfb GM |
912 | |
913 | /* In case the same realized face is used for bitmap areas and | |
914 | for something displayed in the text (e.g. face `region' on | |
915 | mono-displays, the fill style may have been changed to | |
916 | FillSolid in x_draw_glyph_string_background. */ | |
917 | if (face->stipple) | |
918 | XSetFillStyle (FRAME_X_DISPLAY (f), face->gc, FillOpaqueStippled); | |
919 | else | |
920 | XSetForeground (FRAME_X_DISPLAY (f), face->gc, face->background); | |
921 | ||
06a2c219 GM |
922 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
923 | face->gc, | |
924 | (left | |
110859fc | 925 | - FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) |
06a2c219 | 926 | + border), |
045dee35 | 927 | WINDOW_TO_FRAME_PIXEL_Y (w, max (header_line_height, |
06a2c219 | 928 | row->y)), |
110859fc | 929 | FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) - border, |
06a2c219 | 930 | row->visible_height); |
dcd08bfb GM |
931 | if (!face->stipple) |
932 | XSetForeground (FRAME_X_DISPLAY (f), face->gc, face->foreground); | |
06a2c219 GM |
933 | } |
934 | ||
935 | /* Draw the left bitmap. */ | |
936 | if (bitmap != NO_BITMAP) | |
937 | x_draw_bitmap (w, row, bitmap); | |
938 | ||
939 | /* Decide which bitmap to draw at the right side. */ | |
940 | if (row->truncated_on_right_p) | |
941 | bitmap = RIGHT_TRUNCATION_BITMAP; | |
942 | else if (row->continued_p) | |
943 | bitmap = CONTINUED_LINE_BITMAP; | |
944 | else | |
945 | bitmap = NO_BITMAP; | |
946 | ||
947 | /* Clear flags area if no bitmap to draw of if bitmap doesn't fill | |
948 | the flags area. */ | |
949 | if (bitmap == NO_BITMAP | |
110859fc | 950 | || FRAME_FLAGS_BITMAP_WIDTH (f) < FRAME_X_RIGHT_FLAGS_AREA_WIDTH (f) |
06a2c219 GM |
951 | || row->height > FRAME_FLAGS_BITMAP_HEIGHT (f)) |
952 | { | |
953 | int right = window_box_right (w, -1); | |
954 | ||
045dee35 GM |
955 | if (header_line_height < 0) |
956 | header_line_height = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w); | |
dcd08bfb GM |
957 | |
958 | /* In case the same realized face is used for bitmap areas and | |
959 | for something displayed in the text (e.g. face `region' on | |
960 | mono-displays, the fill style may have been changed to | |
961 | FillSolid in x_draw_glyph_string_background. */ | |
962 | if (face->stipple) | |
963 | XSetFillStyle (FRAME_X_DISPLAY (f), face->gc, FillOpaqueStippled); | |
964 | else | |
965 | XSetForeground (FRAME_X_DISPLAY (f), face->gc, face->background); | |
06a2c219 GM |
966 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
967 | face->gc, | |
968 | right, | |
045dee35 | 969 | WINDOW_TO_FRAME_PIXEL_Y (w, max (header_line_height, |
06a2c219 | 970 | row->y)), |
110859fc | 971 | FRAME_X_RIGHT_FLAGS_AREA_WIDTH (f), |
06a2c219 | 972 | row->visible_height); |
dcd08bfb GM |
973 | if (!face->stipple) |
974 | XSetForeground (FRAME_X_DISPLAY (f), face->gc, face->foreground); | |
06a2c219 GM |
975 | } |
976 | ||
977 | /* Draw the right bitmap. */ | |
978 | if (bitmap != NO_BITMAP) | |
979 | x_draw_bitmap (w, row, bitmap); | |
980 | } | |
981 | ||
dc6f92b8 | 982 | \f |
06a2c219 GM |
983 | /*********************************************************************** |
984 | Line Highlighting | |
985 | ***********************************************************************/ | |
dc6f92b8 | 986 | |
06a2c219 GM |
987 | /* External interface to control of standout mode. Not used for X |
988 | frames. Aborts when called. */ | |
989 | ||
990 | static void | |
dc6f92b8 JB |
991 | XTreassert_line_highlight (new, vpos) |
992 | int new, vpos; | |
993 | { | |
06a2c219 | 994 | abort (); |
dc6f92b8 JB |
995 | } |
996 | ||
06a2c219 GM |
997 | |
998 | /* Call this when about to modify line at position VPOS and change | |
999 | whether it is highlighted. Not used for X frames. Aborts when | |
1000 | called. */ | |
dc6f92b8 | 1001 | |
dfcf069d | 1002 | static void |
06a2c219 GM |
1003 | x_change_line_highlight (new_highlight, vpos, y, first_unused_hpos) |
1004 | int new_highlight, vpos, y, first_unused_hpos; | |
dc6f92b8 | 1005 | { |
06a2c219 | 1006 | abort (); |
dc6f92b8 JB |
1007 | } |
1008 | ||
06a2c219 GM |
1009 | |
1010 | /* This is called when starting Emacs and when restarting after | |
1011 | suspend. When starting Emacs, no X window is mapped. And nothing | |
1012 | must be done to Emacs's own window if it is suspended (though that | |
1013 | rarely happens). */ | |
dc6f92b8 | 1014 | |
dfcf069d | 1015 | static void |
dc6f92b8 JB |
1016 | XTset_terminal_modes () |
1017 | { | |
1018 | } | |
1019 | ||
06a2c219 GM |
1020 | /* This is called when exiting or suspending Emacs. Exiting will make |
1021 | the X-windows go away, and suspending requires no action. */ | |
dc6f92b8 | 1022 | |
dfcf069d | 1023 | static void |
dc6f92b8 JB |
1024 | XTreset_terminal_modes () |
1025 | { | |
dc6f92b8 | 1026 | } |
06a2c219 GM |
1027 | |
1028 | ||
dc6f92b8 | 1029 | \f |
06a2c219 GM |
1030 | /*********************************************************************** |
1031 | Output Cursor | |
1032 | ***********************************************************************/ | |
1033 | ||
1034 | /* Set the global variable output_cursor to CURSOR. All cursor | |
1035 | positions are relative to updated_window. */ | |
dc6f92b8 | 1036 | |
dfcf069d | 1037 | static void |
06a2c219 GM |
1038 | set_output_cursor (cursor) |
1039 | struct cursor_pos *cursor; | |
dc6f92b8 | 1040 | { |
06a2c219 GM |
1041 | output_cursor.hpos = cursor->hpos; |
1042 | output_cursor.vpos = cursor->vpos; | |
1043 | output_cursor.x = cursor->x; | |
1044 | output_cursor.y = cursor->y; | |
1045 | } | |
1046 | ||
1047 | ||
1048 | /* Set a nominal cursor position. | |
dc6f92b8 | 1049 | |
06a2c219 GM |
1050 | HPOS and VPOS are column/row positions in a window glyph matrix. X |
1051 | and Y are window text area relative pixel positions. | |
1052 | ||
1053 | If this is done during an update, updated_window will contain the | |
1054 | window that is being updated and the position is the future output | |
1055 | cursor position for that window. If updated_window is null, use | |
1056 | selected_window and display the cursor at the given position. */ | |
1057 | ||
1058 | static void | |
1059 | XTcursor_to (vpos, hpos, y, x) | |
1060 | int vpos, hpos, y, x; | |
1061 | { | |
1062 | struct window *w; | |
1063 | ||
1064 | /* If updated_window is not set, work on selected_window. */ | |
1065 | if (updated_window) | |
1066 | w = updated_window; | |
1067 | else | |
1068 | w = XWINDOW (selected_window); | |
dbcb258a | 1069 | |
06a2c219 GM |
1070 | /* Set the output cursor. */ |
1071 | output_cursor.hpos = hpos; | |
1072 | output_cursor.vpos = vpos; | |
1073 | output_cursor.x = x; | |
1074 | output_cursor.y = y; | |
dc6f92b8 | 1075 | |
06a2c219 GM |
1076 | /* If not called as part of an update, really display the cursor. |
1077 | This will also set the cursor position of W. */ | |
1078 | if (updated_window == NULL) | |
dc6f92b8 JB |
1079 | { |
1080 | BLOCK_INPUT; | |
06a2c219 | 1081 | x_display_cursor (w, 1, hpos, vpos, x, y); |
b86bd3dd | 1082 | XFlush (FRAME_X_DISPLAY (SELECTED_FRAME ())); |
dc6f92b8 JB |
1083 | UNBLOCK_INPUT; |
1084 | } | |
1085 | } | |
dc43ef94 | 1086 | |
06a2c219 GM |
1087 | |
1088 | \f | |
1089 | /*********************************************************************** | |
1090 | Display Iterator | |
1091 | ***********************************************************************/ | |
1092 | ||
1093 | /* Function prototypes of this page. */ | |
1094 | ||
1095 | static struct face *x_get_glyph_face_and_encoding P_ ((struct frame *, | |
1096 | struct glyph *, | |
ee569018 KH |
1097 | XChar2b *, |
1098 | int *)); | |
06a2c219 GM |
1099 | static struct face *x_get_char_face_and_encoding P_ ((struct frame *, int, |
1100 | int, XChar2b *, int)); | |
1101 | static XCharStruct *x_per_char_metric P_ ((XFontStruct *, XChar2b *)); | |
1102 | static void x_encode_char P_ ((int, XChar2b *, struct font_info *)); | |
1103 | static void x_append_glyph P_ ((struct it *)); | |
b4192550 | 1104 | static void x_append_composite_glyph P_ ((struct it *)); |
06a2c219 GM |
1105 | static void x_append_stretch_glyph P_ ((struct it *it, Lisp_Object, |
1106 | int, int, double)); | |
1107 | static void x_produce_glyphs P_ ((struct it *)); | |
06a2c219 | 1108 | static void x_produce_image_glyph P_ ((struct it *it)); |
ee569018 KH |
1109 | |
1110 | ||
1111 | /* Return a pointer to per-char metric information in FONT of a | |
1112 | character pointed by B which is a pointer to an XChar2b. */ | |
1113 | ||
1114 | #define PER_CHAR_METRIC(font, b) \ | |
1115 | ((font)->per_char \ | |
1116 | ? ((font)->per_char + (b)->byte2 - (font)->min_char_or_byte2 \ | |
1117 | + (((font)->min_byte1 || (font)->max_byte1) \ | |
1118 | ? (((b)->byte1 - (font)->min_byte1) \ | |
1119 | * ((font)->max_char_or_byte2 - (font)->min_char_or_byte2 + 1)) \ | |
1120 | : 0)) \ | |
1121 | : &((font)->max_bounds)) | |
dc43ef94 | 1122 | |
dc6f92b8 | 1123 | |
e2ef8ee6 GM |
1124 | /* Get metrics of character CHAR2B in FONT. Value is null if CHAR2B |
1125 | is not contained in the font. */ | |
dc43ef94 | 1126 | |
06a2c219 | 1127 | static INLINE XCharStruct * |
ee569018 | 1128 | x_per_char_metric (font, char2b) |
06a2c219 GM |
1129 | XFontStruct *font; |
1130 | XChar2b *char2b; | |
1131 | { | |
1132 | /* The result metric information. */ | |
1133 | XCharStruct *pcm = NULL; | |
dc6f92b8 | 1134 | |
06a2c219 | 1135 | xassert (font && char2b); |
dc6f92b8 | 1136 | |
06a2c219 | 1137 | if (font->per_char != NULL) |
dc6f92b8 | 1138 | { |
06a2c219 | 1139 | if (font->min_byte1 == 0 && font->max_byte1 == 0) |
dc43ef94 | 1140 | { |
06a2c219 GM |
1141 | /* min_char_or_byte2 specifies the linear character index |
1142 | corresponding to the first element of the per_char array, | |
1143 | max_char_or_byte2 is the index of the last character. A | |
1144 | character with non-zero CHAR2B->byte1 is not in the font. | |
1145 | A character with byte2 less than min_char_or_byte2 or | |
1146 | greater max_char_or_byte2 is not in the font. */ | |
1147 | if (char2b->byte1 == 0 | |
1148 | && char2b->byte2 >= font->min_char_or_byte2 | |
1149 | && char2b->byte2 <= font->max_char_or_byte2) | |
1150 | pcm = font->per_char + char2b->byte2 - font->min_char_or_byte2; | |
dc43ef94 | 1151 | } |
06a2c219 | 1152 | else |
dc6f92b8 | 1153 | { |
06a2c219 GM |
1154 | /* If either min_byte1 or max_byte1 are nonzero, both |
1155 | min_char_or_byte2 and max_char_or_byte2 are less than | |
1156 | 256, and the 2-byte character index values corresponding | |
1157 | to the per_char array element N (counting from 0) are: | |
1158 | ||
1159 | byte1 = N/D + min_byte1 | |
1160 | byte2 = N\D + min_char_or_byte2 | |
1161 | ||
1162 | where: | |
1163 | ||
1164 | D = max_char_or_byte2 - min_char_or_byte2 + 1 | |
1165 | / = integer division | |
1166 | \ = integer modulus */ | |
1167 | if (char2b->byte1 >= font->min_byte1 | |
1168 | && char2b->byte1 <= font->max_byte1 | |
1169 | && char2b->byte2 >= font->min_char_or_byte2 | |
1170 | && char2b->byte2 <= font->max_char_or_byte2) | |
1171 | { | |
1172 | pcm = (font->per_char | |
1173 | + ((font->max_char_or_byte2 - font->min_char_or_byte2 + 1) | |
1174 | * (char2b->byte1 - font->min_byte1)) | |
1175 | + (char2b->byte2 - font->min_char_or_byte2)); | |
1176 | } | |
dc6f92b8 | 1177 | } |
06a2c219 GM |
1178 | } |
1179 | else | |
1180 | { | |
1181 | /* If the per_char pointer is null, all glyphs between the first | |
1182 | and last character indexes inclusive have the same | |
1183 | information, as given by both min_bounds and max_bounds. */ | |
1184 | if (char2b->byte2 >= font->min_char_or_byte2 | |
1185 | && char2b->byte2 <= font->max_char_or_byte2) | |
1186 | pcm = &font->max_bounds; | |
1187 | } | |
dc6f92b8 | 1188 | |
ee569018 KH |
1189 | return ((pcm == NULL |
1190 | || pcm->width == 0 && (pcm->rbearing - pcm->lbearing) == 0) | |
1191 | ? NULL : pcm); | |
06a2c219 | 1192 | } |
b73b6aaf | 1193 | |
57b03282 | 1194 | |
06a2c219 GM |
1195 | /* Encode CHAR2B using encoding information from FONT_INFO. CHAR2B is |
1196 | the two-byte form of C. Encoding is returned in *CHAR2B. */ | |
dc43ef94 | 1197 | |
06a2c219 GM |
1198 | static INLINE void |
1199 | x_encode_char (c, char2b, font_info) | |
1200 | int c; | |
1201 | XChar2b *char2b; | |
1202 | struct font_info *font_info; | |
1203 | { | |
1204 | int charset = CHAR_CHARSET (c); | |
1205 | XFontStruct *font = font_info->font; | |
1206 | ||
1207 | /* FONT_INFO may define a scheme by which to encode byte1 and byte2. | |
1208 | This may be either a program in a special encoder language or a | |
1209 | fixed encoding. */ | |
1210 | if (font_info->font_encoder) | |
1211 | { | |
1212 | /* It's a program. */ | |
1213 | struct ccl_program *ccl = font_info->font_encoder; | |
1214 | ||
1215 | if (CHARSET_DIMENSION (charset) == 1) | |
1216 | { | |
1217 | ccl->reg[0] = charset; | |
1218 | ccl->reg[1] = char2b->byte2; | |
1219 | } | |
1220 | else | |
1221 | { | |
1222 | ccl->reg[0] = charset; | |
1223 | ccl->reg[1] = char2b->byte1; | |
1224 | ccl->reg[2] = char2b->byte2; | |
1225 | } | |
1226 | ||
1227 | ccl_driver (ccl, NULL, NULL, 0, 0, NULL); | |
1228 | ||
1229 | /* We assume that MSBs are appropriately set/reset by CCL | |
1230 | program. */ | |
1231 | if (font->max_byte1 == 0) /* 1-byte font */ | |
ee569018 | 1232 | char2b->byte1 = 0, char2b->byte2 = ccl->reg[1]; |
06a2c219 GM |
1233 | else |
1234 | char2b->byte1 = ccl->reg[1], char2b->byte2 = ccl->reg[2]; | |
1235 | } | |
1236 | else if (font_info->encoding[charset]) | |
1237 | { | |
1238 | /* Fixed encoding scheme. See fontset.h for the meaning of the | |
1239 | encoding numbers. */ | |
1240 | int enc = font_info->encoding[charset]; | |
1241 | ||
1242 | if ((enc == 1 || enc == 2) | |
1243 | && CHARSET_DIMENSION (charset) == 2) | |
1244 | char2b->byte1 |= 0x80; | |
1245 | ||
1246 | if (enc == 1 || enc == 3) | |
1247 | char2b->byte2 |= 0x80; | |
1248 | } | |
1249 | } | |
1250 | ||
1251 | ||
1252 | /* Get face and two-byte form of character C in face FACE_ID on frame | |
1253 | F. The encoding of C is returned in *CHAR2B. MULTIBYTE_P non-zero | |
1254 | means we want to display multibyte text. Value is a pointer to a | |
1255 | realized face that is ready for display. */ | |
1256 | ||
1257 | static INLINE struct face * | |
1258 | x_get_char_face_and_encoding (f, c, face_id, char2b, multibyte_p) | |
1259 | struct frame *f; | |
1260 | int c, face_id; | |
1261 | XChar2b *char2b; | |
1262 | int multibyte_p; | |
1263 | { | |
1264 | struct face *face = FACE_FROM_ID (f, face_id); | |
1265 | ||
1266 | if (!multibyte_p) | |
1267 | { | |
1268 | /* Unibyte case. We don't have to encode, but we have to make | |
1269 | sure to use a face suitable for unibyte. */ | |
1270 | char2b->byte1 = 0; | |
1271 | char2b->byte2 = c; | |
ee569018 KH |
1272 | face_id = FACE_FOR_CHAR (f, face, c); |
1273 | face = FACE_FROM_ID (f, face_id); | |
06a2c219 GM |
1274 | } |
1275 | else if (c < 128 && face_id < BASIC_FACE_ID_SENTINEL) | |
1276 | { | |
1277 | /* Case of ASCII in a face known to fit ASCII. */ | |
1278 | char2b->byte1 = 0; | |
1279 | char2b->byte2 = c; | |
1280 | } | |
1281 | else | |
1282 | { | |
1283 | int c1, c2, charset; | |
1284 | ||
1285 | /* Split characters into bytes. If c2 is -1 afterwards, C is | |
1286 | really a one-byte character so that byte1 is zero. */ | |
1287 | SPLIT_CHAR (c, charset, c1, c2); | |
1288 | if (c2 > 0) | |
1289 | char2b->byte1 = c1, char2b->byte2 = c2; | |
1290 | else | |
1291 | char2b->byte1 = 0, char2b->byte2 = c1; | |
1292 | ||
06a2c219 | 1293 | /* Maybe encode the character in *CHAR2B. */ |
ee569018 | 1294 | if (face->font != NULL) |
06a2c219 GM |
1295 | { |
1296 | struct font_info *font_info | |
1297 | = FONT_INFO_FROM_ID (f, face->font_info_id); | |
1298 | if (font_info) | |
ee569018 | 1299 | x_encode_char (c, char2b, font_info); |
06a2c219 GM |
1300 | } |
1301 | } | |
1302 | ||
1303 | /* Make sure X resources of the face are allocated. */ | |
1304 | xassert (face != NULL); | |
1305 | PREPARE_FACE_FOR_DISPLAY (f, face); | |
1306 | ||
1307 | return face; | |
1308 | } | |
1309 | ||
1310 | ||
1311 | /* Get face and two-byte form of character glyph GLYPH on frame F. | |
43d120d8 | 1312 | The encoding of GLYPH->u.ch is returned in *CHAR2B. Value is |
06a2c219 GM |
1313 | a pointer to a realized face that is ready for display. */ |
1314 | ||
1315 | static INLINE struct face * | |
ee569018 | 1316 | x_get_glyph_face_and_encoding (f, glyph, char2b, two_byte_p) |
06a2c219 GM |
1317 | struct frame *f; |
1318 | struct glyph *glyph; | |
1319 | XChar2b *char2b; | |
ee569018 | 1320 | int *two_byte_p; |
06a2c219 GM |
1321 | { |
1322 | struct face *face; | |
1323 | ||
1324 | xassert (glyph->type == CHAR_GLYPH); | |
43d120d8 | 1325 | face = FACE_FROM_ID (f, glyph->face_id); |
06a2c219 | 1326 | |
ee569018 KH |
1327 | if (two_byte_p) |
1328 | *two_byte_p = 0; | |
1329 | ||
06a2c219 GM |
1330 | if (!glyph->multibyte_p) |
1331 | { | |
1332 | /* Unibyte case. We don't have to encode, but we have to make | |
1333 | sure to use a face suitable for unibyte. */ | |
1334 | char2b->byte1 = 0; | |
43d120d8 | 1335 | char2b->byte2 = glyph->u.ch; |
06a2c219 | 1336 | } |
43d120d8 KH |
1337 | else if (glyph->u.ch < 128 |
1338 | && glyph->face_id < BASIC_FACE_ID_SENTINEL) | |
06a2c219 GM |
1339 | { |
1340 | /* Case of ASCII in a face known to fit ASCII. */ | |
1341 | char2b->byte1 = 0; | |
43d120d8 | 1342 | char2b->byte2 = glyph->u.ch; |
06a2c219 GM |
1343 | } |
1344 | else | |
1345 | { | |
1346 | int c1, c2, charset; | |
1347 | ||
1348 | /* Split characters into bytes. If c2 is -1 afterwards, C is | |
1349 | really a one-byte character so that byte1 is zero. */ | |
43d120d8 | 1350 | SPLIT_CHAR (glyph->u.ch, charset, c1, c2); |
06a2c219 GM |
1351 | if (c2 > 0) |
1352 | char2b->byte1 = c1, char2b->byte2 = c2; | |
1353 | else | |
1354 | char2b->byte1 = 0, char2b->byte2 = c1; | |
1355 | ||
1356 | /* Maybe encode the character in *CHAR2B. */ | |
1357 | if (charset != CHARSET_ASCII) | |
1358 | { | |
1359 | struct font_info *font_info | |
1360 | = FONT_INFO_FROM_ID (f, face->font_info_id); | |
1361 | if (font_info) | |
1362 | { | |
43d120d8 | 1363 | x_encode_char (glyph->u.ch, char2b, font_info); |
ee569018 KH |
1364 | if (two_byte_p) |
1365 | *two_byte_p | |
1366 | = ((XFontStruct *) (font_info->font))->max_byte1 > 0; | |
06a2c219 GM |
1367 | } |
1368 | } | |
1369 | } | |
1370 | ||
1371 | /* Make sure X resources of the face are allocated. */ | |
1372 | xassert (face != NULL); | |
1373 | PREPARE_FACE_FOR_DISPLAY (f, face); | |
1374 | return face; | |
1375 | } | |
1376 | ||
1377 | ||
1378 | /* Store one glyph for IT->char_to_display in IT->glyph_row. | |
1379 | Called from x_produce_glyphs when IT->glyph_row is non-null. */ | |
1380 | ||
1381 | static INLINE void | |
1382 | x_append_glyph (it) | |
1383 | struct it *it; | |
1384 | { | |
1385 | struct glyph *glyph; | |
1386 | enum glyph_row_area area = it->area; | |
1387 | ||
1388 | xassert (it->glyph_row); | |
1389 | xassert (it->char_to_display != '\n' && it->char_to_display != '\t'); | |
1390 | ||
1391 | glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area]; | |
1392 | if (glyph < it->glyph_row->glyphs[area + 1]) | |
1393 | { | |
1394 | /* Play it safe. If sub-structures of the glyph are not all the | |
1395 | same size, it otherwise be that some bits stay set. This | |
1396 | would prevent a comparison with GLYPH_EQUAL_P. */ | |
1397 | glyph->u.val = 0; | |
1398 | ||
1399 | glyph->type = CHAR_GLYPH; | |
1400 | glyph->pixel_width = it->pixel_width; | |
43d120d8 KH |
1401 | glyph->u.ch = it->char_to_display; |
1402 | glyph->face_id = it->face_id; | |
06a2c219 GM |
1403 | glyph->charpos = CHARPOS (it->position); |
1404 | glyph->object = it->object; | |
1405 | glyph->left_box_line_p = it->start_of_box_run_p; | |
1406 | glyph->right_box_line_p = it->end_of_box_run_p; | |
1407 | glyph->voffset = it->voffset; | |
1408 | glyph->multibyte_p = it->multibyte_p; | |
66ac4b0e GM |
1409 | glyph->overlaps_vertically_p = (it->phys_ascent > it->ascent |
1410 | || it->phys_descent > it->descent); | |
ee569018 | 1411 | glyph->glyph_not_available_p = it->glyph_not_available_p; |
06a2c219 GM |
1412 | ++it->glyph_row->used[area]; |
1413 | } | |
1414 | } | |
1415 | ||
b4192550 KH |
1416 | /* Store one glyph for the composition IT->cmp_id in IT->glyph_row. |
1417 | Called from x_produce_glyphs when IT->glyph_row is non-null. */ | |
1418 | ||
1419 | static INLINE void | |
1420 | x_append_composite_glyph (it) | |
1421 | struct it *it; | |
1422 | { | |
1423 | struct glyph *glyph; | |
1424 | enum glyph_row_area area = it->area; | |
1425 | ||
1426 | xassert (it->glyph_row); | |
1427 | ||
1428 | glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area]; | |
1429 | if (glyph < it->glyph_row->glyphs[area + 1]) | |
1430 | { | |
1431 | /* Play it safe. If sub-structures of the glyph are not all the | |
1432 | same size, it otherwise be that some bits stay set. This | |
1433 | would prevent a comparison with GLYPH_EQUAL_P. */ | |
1434 | glyph->u.val = 0; | |
1435 | ||
1436 | glyph->type = COMPOSITE_GLYPH; | |
1437 | glyph->pixel_width = it->pixel_width; | |
43d120d8 KH |
1438 | glyph->u.cmp_id = it->cmp_id; |
1439 | glyph->face_id = it->face_id; | |
b4192550 KH |
1440 | glyph->charpos = CHARPOS (it->position); |
1441 | glyph->object = it->object; | |
1442 | glyph->left_box_line_p = it->start_of_box_run_p; | |
1443 | glyph->right_box_line_p = it->end_of_box_run_p; | |
1444 | glyph->voffset = it->voffset; | |
1445 | glyph->multibyte_p = it->multibyte_p; | |
1446 | glyph->overlaps_vertically_p = (it->phys_ascent > it->ascent | |
1447 | || it->phys_descent > it->descent); | |
1448 | ++it->glyph_row->used[area]; | |
1449 | } | |
1450 | } | |
1451 | ||
06a2c219 GM |
1452 | |
1453 | /* Change IT->ascent and IT->height according to the setting of | |
1454 | IT->voffset. */ | |
1455 | ||
1456 | static INLINE void | |
1457 | take_vertical_position_into_account (it) | |
1458 | struct it *it; | |
1459 | { | |
1460 | if (it->voffset) | |
1461 | { | |
1462 | if (it->voffset < 0) | |
1463 | /* Increase the ascent so that we can display the text higher | |
1464 | in the line. */ | |
1465 | it->ascent += abs (it->voffset); | |
1466 | else | |
1467 | /* Increase the descent so that we can display the text lower | |
1468 | in the line. */ | |
1469 | it->descent += it->voffset; | |
1470 | } | |
1471 | } | |
1472 | ||
1473 | ||
1474 | /* Produce glyphs/get display metrics for the image IT is loaded with. | |
1475 | See the description of struct display_iterator in dispextern.h for | |
1476 | an overview of struct display_iterator. */ | |
1477 | ||
1478 | static void | |
1479 | x_produce_image_glyph (it) | |
1480 | struct it *it; | |
1481 | { | |
1482 | struct image *img; | |
1483 | struct face *face; | |
1484 | ||
1485 | xassert (it->what == IT_IMAGE); | |
1486 | ||
1487 | face = FACE_FROM_ID (it->f, it->face_id); | |
1488 | img = IMAGE_FROM_ID (it->f, it->image_id); | |
1489 | xassert (img); | |
1490 | ||
1491 | /* Make sure X resources of the face and image are loaded. */ | |
1492 | PREPARE_FACE_FOR_DISPLAY (it->f, face); | |
1493 | prepare_image_for_display (it->f, img); | |
1494 | ||
95af8492 | 1495 | it->ascent = it->phys_ascent = image_ascent (img, face); |
66ac4b0e | 1496 | it->descent = it->phys_descent = img->height + 2 * img->margin - it->ascent; |
06a2c219 GM |
1497 | it->pixel_width = img->width + 2 * img->margin; |
1498 | ||
1499 | it->nglyphs = 1; | |
1500 | ||
1501 | if (face->box != FACE_NO_BOX) | |
1502 | { | |
1503 | it->ascent += face->box_line_width; | |
1504 | it->descent += face->box_line_width; | |
1505 | ||
1506 | if (it->start_of_box_run_p) | |
1507 | it->pixel_width += face->box_line_width; | |
1508 | if (it->end_of_box_run_p) | |
1509 | it->pixel_width += face->box_line_width; | |
1510 | } | |
1511 | ||
1512 | take_vertical_position_into_account (it); | |
1513 | ||
1514 | if (it->glyph_row) | |
1515 | { | |
1516 | struct glyph *glyph; | |
1517 | enum glyph_row_area area = it->area; | |
1518 | ||
1519 | glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area]; | |
1520 | if (glyph < it->glyph_row->glyphs[area + 1]) | |
1521 | { | |
1522 | glyph->type = IMAGE_GLYPH; | |
43d120d8 KH |
1523 | glyph->u.img_id = img->id; |
1524 | glyph->face_id = it->face_id; | |
06a2c219 GM |
1525 | glyph->pixel_width = it->pixel_width; |
1526 | glyph->charpos = CHARPOS (it->position); | |
1527 | glyph->object = it->object; | |
1528 | glyph->left_box_line_p = it->start_of_box_run_p; | |
1529 | glyph->right_box_line_p = it->end_of_box_run_p; | |
1530 | glyph->voffset = it->voffset; | |
1531 | glyph->multibyte_p = it->multibyte_p; | |
1532 | ++it->glyph_row->used[area]; | |
1533 | } | |
1534 | } | |
1535 | } | |
1536 | ||
1537 | ||
1538 | /* Append a stretch glyph to IT->glyph_row. OBJECT is the source | |
1539 | of the glyph, WIDTH and HEIGHT are the width and height of the | |
1540 | stretch. ASCENT is the percentage/100 of HEIGHT to use for the | |
1541 | ascent of the glyph (0 <= ASCENT <= 1). */ | |
1542 | ||
1543 | static void | |
1544 | x_append_stretch_glyph (it, object, width, height, ascent) | |
1545 | struct it *it; | |
1546 | Lisp_Object object; | |
1547 | int width, height; | |
1548 | double ascent; | |
1549 | { | |
1550 | struct glyph *glyph; | |
1551 | enum glyph_row_area area = it->area; | |
1552 | ||
1553 | xassert (ascent >= 0 && ascent <= 1); | |
1554 | ||
1555 | glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area]; | |
1556 | if (glyph < it->glyph_row->glyphs[area + 1]) | |
1557 | { | |
1558 | glyph->type = STRETCH_GLYPH; | |
1559 | glyph->u.stretch.ascent = height * ascent; | |
1560 | glyph->u.stretch.height = height; | |
43d120d8 | 1561 | glyph->face_id = it->face_id; |
06a2c219 GM |
1562 | glyph->pixel_width = width; |
1563 | glyph->charpos = CHARPOS (it->position); | |
1564 | glyph->object = object; | |
1565 | glyph->left_box_line_p = it->start_of_box_run_p; | |
1566 | glyph->right_box_line_p = it->end_of_box_run_p; | |
1567 | glyph->voffset = it->voffset; | |
1568 | glyph->multibyte_p = it->multibyte_p; | |
1569 | ++it->glyph_row->used[area]; | |
1570 | } | |
1571 | } | |
1572 | ||
1573 | ||
1574 | /* Produce a stretch glyph for iterator IT. IT->object is the value | |
1575 | of the glyph property displayed. The value must be a list | |
1576 | `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs | |
1577 | being recognized: | |
1578 | ||
1579 | 1. `:width WIDTH' specifies that the space should be WIDTH * | |
1580 | canonical char width wide. WIDTH may be an integer or floating | |
1581 | point number. | |
1582 | ||
1583 | 2. `:relative-width FACTOR' specifies that the width of the stretch | |
1584 | should be computed from the width of the first character having the | |
1585 | `glyph' property, and should be FACTOR times that width. | |
1586 | ||
1587 | 3. `:align-to HPOS' specifies that the space should be wide enough | |
1588 | to reach HPOS, a value in canonical character units. | |
1589 | ||
1590 | Exactly one of the above pairs must be present. | |
1591 | ||
1592 | 4. `:height HEIGHT' specifies that the height of the stretch produced | |
1593 | should be HEIGHT, measured in canonical character units. | |
1594 | ||
1595 | 5. `:relative-height FACTOR' specifies that the height of the the | |
1596 | stretch should be FACTOR times the height of the characters having | |
1597 | the glyph property. | |
1598 | ||
1599 | Either none or exactly one of 4 or 5 must be present. | |
1600 | ||
1601 | 6. `:ascent ASCENT' specifies that ASCENT percent of the height | |
1602 | of the stretch should be used for the ascent of the stretch. | |
1603 | ASCENT must be in the range 0 <= ASCENT <= 100. */ | |
1604 | ||
1605 | #define NUMVAL(X) \ | |
1606 | ((INTEGERP (X) || FLOATP (X)) \ | |
1607 | ? XFLOATINT (X) \ | |
1608 | : - 1) | |
1609 | ||
1610 | ||
1611 | static void | |
1612 | x_produce_stretch_glyph (it) | |
1613 | struct it *it; | |
1614 | { | |
1615 | /* (space :width WIDTH :height HEIGHT. */ | |
1616 | extern Lisp_Object QCwidth, QCheight, QCascent, Qspace; | |
1617 | extern Lisp_Object QCrelative_width, QCrelative_height; | |
1618 | extern Lisp_Object QCalign_to; | |
1619 | Lisp_Object prop, plist; | |
1620 | double width = 0, height = 0, ascent = 0; | |
1621 | struct face *face = FACE_FROM_ID (it->f, it->face_id); | |
1622 | XFontStruct *font = face->font ? face->font : FRAME_FONT (it->f); | |
1623 | ||
1624 | PREPARE_FACE_FOR_DISPLAY (it->f, face); | |
1625 | ||
1626 | /* List should start with `space'. */ | |
1627 | xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace)); | |
1628 | plist = XCDR (it->object); | |
1629 | ||
1630 | /* Compute the width of the stretch. */ | |
1631 | if (prop = Fplist_get (plist, QCwidth), | |
1632 | NUMVAL (prop) > 0) | |
1633 | /* Absolute width `:width WIDTH' specified and valid. */ | |
1634 | width = NUMVAL (prop) * CANON_X_UNIT (it->f); | |
1635 | else if (prop = Fplist_get (plist, QCrelative_width), | |
1636 | NUMVAL (prop) > 0) | |
1637 | { | |
1638 | /* Relative width `:relative-width FACTOR' specified and valid. | |
1639 | Compute the width of the characters having the `glyph' | |
1640 | property. */ | |
1641 | struct it it2; | |
1642 | unsigned char *p = BYTE_POS_ADDR (IT_BYTEPOS (*it)); | |
1643 | ||
1644 | it2 = *it; | |
1645 | if (it->multibyte_p) | |
1646 | { | |
1647 | int maxlen = ((IT_BYTEPOS (*it) >= GPT ? ZV : GPT) | |
1648 | - IT_BYTEPOS (*it)); | |
1649 | it2.c = STRING_CHAR_AND_LENGTH (p, maxlen, it2.len); | |
1650 | } | |
1651 | else | |
1652 | it2.c = *p, it2.len = 1; | |
1653 | ||
1654 | it2.glyph_row = NULL; | |
1655 | it2.what = IT_CHARACTER; | |
1656 | x_produce_glyphs (&it2); | |
1657 | width = NUMVAL (prop) * it2.pixel_width; | |
1658 | } | |
1659 | else if (prop = Fplist_get (plist, QCalign_to), | |
1660 | NUMVAL (prop) > 0) | |
1661 | width = NUMVAL (prop) * CANON_X_UNIT (it->f) - it->current_x; | |
1662 | else | |
1663 | /* Nothing specified -> width defaults to canonical char width. */ | |
1664 | width = CANON_X_UNIT (it->f); | |
1665 | ||
1666 | /* Compute height. */ | |
1667 | if (prop = Fplist_get (plist, QCheight), | |
1668 | NUMVAL (prop) > 0) | |
1669 | height = NUMVAL (prop) * CANON_Y_UNIT (it->f); | |
1670 | else if (prop = Fplist_get (plist, QCrelative_height), | |
1671 | NUMVAL (prop) > 0) | |
1672 | height = FONT_HEIGHT (font) * NUMVAL (prop); | |
1673 | else | |
1674 | height = FONT_HEIGHT (font); | |
1675 | ||
1676 | /* Compute percentage of height used for ascent. If | |
1677 | `:ascent ASCENT' is present and valid, use that. Otherwise, | |
1678 | derive the ascent from the font in use. */ | |
1679 | if (prop = Fplist_get (plist, QCascent), | |
1680 | NUMVAL (prop) > 0 && NUMVAL (prop) <= 100) | |
1681 | ascent = NUMVAL (prop) / 100.0; | |
1682 | else | |
1683 | ascent = (double) font->ascent / FONT_HEIGHT (font); | |
1684 | ||
1685 | if (width <= 0) | |
1686 | width = 1; | |
1687 | if (height <= 0) | |
1688 | height = 1; | |
1689 | ||
1690 | if (it->glyph_row) | |
1691 | { | |
1692 | Lisp_Object object = it->stack[it->sp - 1].string; | |
1693 | if (!STRINGP (object)) | |
1694 | object = it->w->buffer; | |
1695 | x_append_stretch_glyph (it, object, width, height, ascent); | |
1696 | } | |
1697 | ||
1698 | it->pixel_width = width; | |
66ac4b0e GM |
1699 | it->ascent = it->phys_ascent = height * ascent; |
1700 | it->descent = it->phys_descent = height - it->ascent; | |
06a2c219 GM |
1701 | it->nglyphs = 1; |
1702 | ||
1703 | if (face->box != FACE_NO_BOX) | |
1704 | { | |
1705 | it->ascent += face->box_line_width; | |
1706 | it->descent += face->box_line_width; | |
1707 | ||
1708 | if (it->start_of_box_run_p) | |
1709 | it->pixel_width += face->box_line_width; | |
1710 | if (it->end_of_box_run_p) | |
1711 | it->pixel_width += face->box_line_width; | |
1712 | } | |
1713 | ||
1714 | take_vertical_position_into_account (it); | |
1715 | } | |
1716 | ||
b4192550 KH |
1717 | /* Return proper value to be used as baseline offset of font that has |
1718 | ASCENT and DESCENT to draw characters by the font at the vertical | |
1719 | center of the line of frame F. | |
1720 | ||
1721 | Here, out task is to find the value of BOFF in the following figure; | |
1722 | ||
1723 | -------------------------+-----------+- | |
1724 | -+-+---------+-+ | | | |
1725 | | | | | | | | |
1726 | | | | | F_ASCENT F_HEIGHT | |
1727 | | | | ASCENT | | | |
1728 | HEIGHT | | | | | | |
1729 | | | |-|-+------+-----------|------- baseline | |
1730 | | | | | BOFF | | | |
1731 | | |---------|-+-+ | | | |
1732 | | | | DESCENT | | | |
1733 | -+-+---------+-+ F_DESCENT | | |
1734 | -------------------------+-----------+- | |
1735 | ||
1736 | -BOFF + DESCENT + (F_HEIGHT - HEIGHT) / 2 = F_DESCENT | |
1737 | BOFF = DESCENT + (F_HEIGHT - HEIGHT) / 2 - F_DESCENT | |
1738 | DESCENT = FONT->descent | |
1739 | HEIGHT = FONT_HEIGHT (FONT) | |
1740 | F_DESCENT = (F->output_data.x->font->descent | |
1741 | - F->output_data.x->baseline_offset) | |
1742 | F_HEIGHT = FRAME_LINE_HEIGHT (F) | |
1743 | */ | |
1744 | ||
1745 | #define VCENTER_BASELINE_OFFSET(FONT, F) \ | |
1746 | ((FONT)->descent \ | |
1747 | + (FRAME_LINE_HEIGHT ((F)) - FONT_HEIGHT ((FONT))) / 2 \ | |
1748 | - ((F)->output_data.x->font->descent - (F)->output_data.x->baseline_offset)) | |
06a2c219 GM |
1749 | |
1750 | /* Produce glyphs/get display metrics for the display element IT is | |
1751 | loaded with. See the description of struct display_iterator in | |
1752 | dispextern.h for an overview of struct display_iterator. */ | |
1753 | ||
1754 | static void | |
1755 | x_produce_glyphs (it) | |
1756 | struct it *it; | |
1757 | { | |
ee569018 KH |
1758 | it->glyph_not_available_p = 0; |
1759 | ||
06a2c219 GM |
1760 | if (it->what == IT_CHARACTER) |
1761 | { | |
1762 | XChar2b char2b; | |
1763 | XFontStruct *font; | |
ee569018 | 1764 | struct face *face = FACE_FROM_ID (it->f, it->face_id); |
06a2c219 | 1765 | XCharStruct *pcm; |
06a2c219 | 1766 | int font_not_found_p; |
b4192550 KH |
1767 | struct font_info *font_info; |
1768 | int boff; /* baseline offset */ | |
06a2c219 | 1769 | |
ee569018 KH |
1770 | /* Maybe translate single-byte characters to multibyte, or the |
1771 | other way. */ | |
06a2c219 | 1772 | it->char_to_display = it->c; |
ee569018 | 1773 | if (!ASCII_BYTE_P (it->c)) |
06a2c219 | 1774 | { |
ee569018 KH |
1775 | if (unibyte_display_via_language_environment |
1776 | && SINGLE_BYTE_CHAR_P (it->c) | |
1777 | && (it->c >= 0240 | |
1778 | || !NILP (Vnonascii_translation_table))) | |
1779 | { | |
1780 | it->char_to_display = unibyte_char_to_multibyte (it->c); | |
1781 | it->face_id = FACE_FOR_CHAR (it->f, face, it->char_to_display); | |
1782 | face = FACE_FROM_ID (it->f, it->face_id); | |
1783 | } | |
1784 | else if (!SINGLE_BYTE_CHAR_P (it->c) | |
1785 | && !it->multibyte_p) | |
1786 | { | |
1787 | it->char_to_display = multibyte_char_to_unibyte (it->c, Qnil); | |
1788 | it->face_id = FACE_FOR_CHAR (it->f, face, it->char_to_display); | |
1789 | face = FACE_FROM_ID (it->f, it->face_id); | |
1790 | } | |
06a2c219 GM |
1791 | } |
1792 | ||
ee569018 KH |
1793 | /* Get font to use. Encode IT->char_to_display. */ |
1794 | x_get_char_face_and_encoding (it->f, it->char_to_display, | |
1795 | it->face_id, &char2b, | |
1796 | it->multibyte_p); | |
06a2c219 GM |
1797 | font = face->font; |
1798 | ||
1799 | /* When no suitable font found, use the default font. */ | |
1800 | font_not_found_p = font == NULL; | |
1801 | if (font_not_found_p) | |
b4192550 KH |
1802 | { |
1803 | font = FRAME_FONT (it->f); | |
1804 | boff = it->f->output_data.x->baseline_offset; | |
1805 | font_info = NULL; | |
1806 | } | |
1807 | else | |
1808 | { | |
1809 | font_info = FONT_INFO_FROM_ID (it->f, face->font_info_id); | |
1810 | boff = font_info->baseline_offset; | |
1811 | if (font_info->vertical_centering) | |
1812 | boff = VCENTER_BASELINE_OFFSET (font, it->f) - boff; | |
1813 | } | |
06a2c219 GM |
1814 | |
1815 | if (it->char_to_display >= ' ' | |
1816 | && (!it->multibyte_p || it->char_to_display < 128)) | |
1817 | { | |
1818 | /* Either unibyte or ASCII. */ | |
1819 | int stretched_p; | |
1820 | ||
1821 | it->nglyphs = 1; | |
06a2c219 GM |
1822 | |
1823 | pcm = x_per_char_metric (font, &char2b); | |
b4192550 KH |
1824 | it->ascent = font->ascent + boff; |
1825 | it->descent = font->descent - boff; | |
474848ac GM |
1826 | |
1827 | if (pcm) | |
1828 | { | |
1829 | it->phys_ascent = pcm->ascent + boff; | |
1830 | it->phys_descent = pcm->descent - boff; | |
1831 | it->pixel_width = pcm->width; | |
1832 | } | |
1833 | else | |
1834 | { | |
1835 | it->glyph_not_available_p = 1; | |
1836 | it->phys_ascent = font->ascent + boff; | |
1837 | it->phys_descent = font->descent - boff; | |
1838 | it->pixel_width = FONT_WIDTH (font); | |
1839 | } | |
06a2c219 GM |
1840 | |
1841 | /* If this is a space inside a region of text with | |
1842 | `space-width' property, change its width. */ | |
1843 | stretched_p = it->char_to_display == ' ' && !NILP (it->space_width); | |
1844 | if (stretched_p) | |
1845 | it->pixel_width *= XFLOATINT (it->space_width); | |
1846 | ||
1847 | /* If face has a box, add the box thickness to the character | |
1848 | height. If character has a box line to the left and/or | |
1849 | right, add the box line width to the character's width. */ | |
1850 | if (face->box != FACE_NO_BOX) | |
1851 | { | |
1852 | int thick = face->box_line_width; | |
1853 | ||
1854 | it->ascent += thick; | |
1855 | it->descent += thick; | |
1856 | ||
1857 | if (it->start_of_box_run_p) | |
1858 | it->pixel_width += thick; | |
1859 | if (it->end_of_box_run_p) | |
1860 | it->pixel_width += thick; | |
1861 | } | |
1862 | ||
1863 | /* If face has an overline, add the height of the overline | |
1864 | (1 pixel) and a 1 pixel margin to the character height. */ | |
1865 | if (face->overline_p) | |
1866 | it->ascent += 2; | |
1867 | ||
1868 | take_vertical_position_into_account (it); | |
1869 | ||
1870 | /* If we have to actually produce glyphs, do it. */ | |
1871 | if (it->glyph_row) | |
1872 | { | |
1873 | if (stretched_p) | |
1874 | { | |
1875 | /* Translate a space with a `space-width' property | |
1876 | into a stretch glyph. */ | |
1877 | double ascent = (double) font->ascent / FONT_HEIGHT (font); | |
1878 | x_append_stretch_glyph (it, it->object, it->pixel_width, | |
1879 | it->ascent + it->descent, ascent); | |
1880 | } | |
1881 | else | |
1882 | x_append_glyph (it); | |
1883 | ||
1884 | /* If characters with lbearing or rbearing are displayed | |
1885 | in this line, record that fact in a flag of the | |
1886 | glyph row. This is used to optimize X output code. */ | |
1c7e22fd | 1887 | if (pcm && (pcm->lbearing < 0 || pcm->rbearing > pcm->width)) |
06a2c219 GM |
1888 | it->glyph_row->contains_overlapping_glyphs_p = 1; |
1889 | } | |
1890 | } | |
1891 | else if (it->char_to_display == '\n') | |
1892 | { | |
1893 | /* A newline has no width but we need the height of the line. */ | |
1894 | it->pixel_width = 0; | |
1895 | it->nglyphs = 0; | |
b4192550 KH |
1896 | it->ascent = it->phys_ascent = font->ascent + boff; |
1897 | it->descent = it->phys_descent = font->descent - boff; | |
06a2c219 GM |
1898 | |
1899 | if (face->box != FACE_NO_BOX) | |
1900 | { | |
1901 | int thick = face->box_line_width; | |
1902 | it->ascent += thick; | |
1903 | it->descent += thick; | |
1904 | } | |
1905 | } | |
1906 | else if (it->char_to_display == '\t') | |
1907 | { | |
1908 | int tab_width = it->tab_width * CANON_X_UNIT (it->f); | |
d365f5bb | 1909 | int x = it->current_x + it->continuation_lines_width; |
06a2c219 GM |
1910 | int next_tab_x = ((1 + x + tab_width - 1) / tab_width) * tab_width; |
1911 | ||
1912 | it->pixel_width = next_tab_x - x; | |
1913 | it->nglyphs = 1; | |
b4192550 KH |
1914 | it->ascent = it->phys_ascent = font->ascent + boff; |
1915 | it->descent = it->phys_descent = font->descent - boff; | |
06a2c219 GM |
1916 | |
1917 | if (it->glyph_row) | |
1918 | { | |
1919 | double ascent = (double) it->ascent / (it->ascent + it->descent); | |
1920 | x_append_stretch_glyph (it, it->object, it->pixel_width, | |
1921 | it->ascent + it->descent, ascent); | |
1922 | } | |
1923 | } | |
1924 | else | |
1925 | { | |
1926 | /* A multi-byte character. Assume that the display width of the | |
1927 | character is the width of the character multiplied by the | |
b4192550 | 1928 | width of the font. */ |
06a2c219 | 1929 | |
b4192550 KH |
1930 | /* If we found a font, this font should give us the right |
1931 | metrics. If we didn't find a font, use the frame's | |
1932 | default font and calculate the width of the character | |
1933 | from the charset width; this is what old redisplay code | |
1934 | did. */ | |
1935 | pcm = x_per_char_metric (font, &char2b); | |
ee569018 KH |
1936 | if (font_not_found_p || !pcm) |
1937 | { | |
1938 | int charset = CHAR_CHARSET (it->char_to_display); | |
1939 | ||
1940 | it->glyph_not_available_p = 1; | |
1941 | it->pixel_width = (FONT_WIDTH (FRAME_FONT (it->f)) | |
1942 | * CHARSET_WIDTH (charset)); | |
1943 | it->phys_ascent = font->ascent + boff; | |
1944 | it->phys_descent = font->descent - boff; | |
1945 | } | |
1946 | else | |
1947 | { | |
1948 | it->pixel_width = pcm->width; | |
1949 | it->phys_ascent = pcm->ascent + boff; | |
1950 | it->phys_descent = pcm->descent - boff; | |
1951 | if (it->glyph_row | |
1952 | && (pcm->lbearing < 0 | |
1953 | || pcm->rbearing > pcm->width)) | |
1954 | it->glyph_row->contains_overlapping_glyphs_p = 1; | |
1955 | } | |
b4192550 KH |
1956 | it->nglyphs = 1; |
1957 | it->ascent = font->ascent + boff; | |
1958 | it->descent = font->descent - boff; | |
06a2c219 GM |
1959 | if (face->box != FACE_NO_BOX) |
1960 | { | |
1961 | int thick = face->box_line_width; | |
1962 | it->ascent += thick; | |
1963 | it->descent += thick; | |
1964 | ||
1965 | if (it->start_of_box_run_p) | |
1966 | it->pixel_width += thick; | |
1967 | if (it->end_of_box_run_p) | |
1968 | it->pixel_width += thick; | |
1969 | } | |
1970 | ||
1971 | /* If face has an overline, add the height of the overline | |
1972 | (1 pixel) and a 1 pixel margin to the character height. */ | |
1973 | if (face->overline_p) | |
1974 | it->ascent += 2; | |
1975 | ||
1976 | take_vertical_position_into_account (it); | |
1977 | ||
1978 | if (it->glyph_row) | |
1979 | x_append_glyph (it); | |
1980 | } | |
1981 | } | |
b4192550 KH |
1982 | else if (it->what == IT_COMPOSITION) |
1983 | { | |
1984 | /* Note: A composition is represented as one glyph in the | |
1985 | glyph matrix. There are no padding glyphs. */ | |
1986 | XChar2b char2b; | |
1987 | XFontStruct *font; | |
ee569018 | 1988 | struct face *face = FACE_FROM_ID (it->f, it->face_id); |
b4192550 KH |
1989 | XCharStruct *pcm; |
1990 | int font_not_found_p; | |
1991 | struct font_info *font_info; | |
1992 | int boff; /* baseline offset */ | |
1993 | struct composition *cmp = composition_table[it->cmp_id]; | |
1994 | ||
1995 | /* Maybe translate single-byte characters to multibyte. */ | |
1996 | it->char_to_display = it->c; | |
1997 | if (unibyte_display_via_language_environment | |
1998 | && SINGLE_BYTE_CHAR_P (it->c) | |
1999 | && (it->c >= 0240 | |
2000 | || (it->c >= 0200 | |
2001 | && !NILP (Vnonascii_translation_table)))) | |
2002 | { | |
2003 | it->char_to_display = unibyte_char_to_multibyte (it->c); | |
b4192550 KH |
2004 | } |
2005 | ||
2006 | /* Get face and font to use. Encode IT->char_to_display. */ | |
ee569018 KH |
2007 | it->face_id = FACE_FOR_CHAR (it->f, face, it->char_to_display); |
2008 | face = FACE_FROM_ID (it->f, it->face_id); | |
2009 | x_get_char_face_and_encoding (it->f, it->char_to_display, | |
2010 | it->face_id, &char2b, it->multibyte_p); | |
b4192550 KH |
2011 | font = face->font; |
2012 | ||
2013 | /* When no suitable font found, use the default font. */ | |
2014 | font_not_found_p = font == NULL; | |
2015 | if (font_not_found_p) | |
2016 | { | |
2017 | font = FRAME_FONT (it->f); | |
2018 | boff = it->f->output_data.x->baseline_offset; | |
2019 | font_info = NULL; | |
2020 | } | |
2021 | else | |
2022 | { | |
2023 | font_info = FONT_INFO_FROM_ID (it->f, face->font_info_id); | |
2024 | boff = font_info->baseline_offset; | |
2025 | if (font_info->vertical_centering) | |
2026 | boff = VCENTER_BASELINE_OFFSET (font, it->f) - boff; | |
2027 | } | |
2028 | ||
2029 | /* There are no padding glyphs, so there is only one glyph to | |
2030 | produce for the composition. Important is that pixel_width, | |
2031 | ascent and descent are the values of what is drawn by | |
2032 | draw_glyphs (i.e. the values of the overall glyphs composed). */ | |
2033 | it->nglyphs = 1; | |
2034 | ||
2035 | /* If we have not yet calculated pixel size data of glyphs of | |
2036 | the composition for the current face font, calculate them | |
2037 | now. Theoretically, we have to check all fonts for the | |
2038 | glyphs, but that requires much time and memory space. So, | |
2039 | here we check only the font of the first glyph. This leads | |
2040 | to incorrect display very rarely, and C-l (recenter) can | |
2041 | correct the display anyway. */ | |
2042 | if (cmp->font != (void *) font) | |
2043 | { | |
2044 | /* Ascent and descent of the font of the first character of | |
2045 | this composition (adjusted by baseline offset). Ascent | |
2046 | and descent of overall glyphs should not be less than | |
2047 | them respectively. */ | |
2048 | int font_ascent = font->ascent + boff; | |
2049 | int font_descent = font->descent - boff; | |
2050 | /* Bounding box of the overall glyphs. */ | |
2051 | int leftmost, rightmost, lowest, highest; | |
2052 | int i; | |
2053 | ||
2054 | cmp->font = (void *) font; | |
2055 | ||
2056 | /* Initialize the bounding box. */ | |
2057 | pcm = x_per_char_metric (font, &char2b); | |
2058 | leftmost = 0; | |
2059 | rightmost = pcm->width; | |
2060 | lowest = - pcm->descent + boff; | |
2061 | highest = pcm->ascent + boff; | |
2062 | if (font_info | |
2063 | && font_info->default_ascent | |
2064 | && CHAR_TABLE_P (Vuse_default_ascent) | |
2065 | && !NILP (Faref (Vuse_default_ascent, | |
2066 | make_number (it->char_to_display)))) | |
2067 | highest = font_info->default_ascent + boff; | |
2068 | ||
2069 | /* Draw the first glyph at the normal position. It may be | |
2070 | shifted to right later if some other glyphs are drawn at | |
2071 | the left. */ | |
2072 | cmp->offsets[0] = 0; | |
2073 | cmp->offsets[1] = boff; | |
2074 | ||
2075 | /* Set cmp->offsets for the remaining glyphs. */ | |
2076 | for (i = 1; i < cmp->glyph_len; i++) | |
2077 | { | |
2078 | int left, right, btm, top; | |
2079 | int ch = COMPOSITION_GLYPH (cmp, i); | |
ee569018 KH |
2080 | int face_id = FACE_FOR_CHAR (it->f, face, ch); |
2081 | ||
2082 | face = FACE_FROM_ID (it->f, face_id); | |
2083 | x_get_char_face_and_encoding (it->f, ch, face->id, &char2b, | |
2084 | it->multibyte_p); | |
b4192550 KH |
2085 | font = face->font; |
2086 | if (font == NULL) | |
2087 | { | |
2088 | font = FRAME_FONT (it->f); | |
2089 | boff = it->f->output_data.x->baseline_offset; | |
2090 | font_info = NULL; | |
2091 | } | |
2092 | else | |
2093 | { | |
2094 | font_info | |
2095 | = FONT_INFO_FROM_ID (it->f, face->font_info_id); | |
2096 | boff = font_info->baseline_offset; | |
2097 | if (font_info->vertical_centering) | |
2098 | boff = VCENTER_BASELINE_OFFSET (font, it->f) - boff; | |
2099 | } | |
2100 | ||
2101 | pcm = x_per_char_metric (font, &char2b); | |
2102 | ||
2103 | if (cmp->method != COMPOSITION_WITH_RULE_ALTCHARS) | |
2104 | { | |
2105 | /* Relative composition with or without | |
2106 | alternate chars. */ | |
2107 | left = (leftmost + rightmost - pcm->width) / 2; | |
2108 | btm = - pcm->descent + boff; | |
2109 | if (font_info && font_info->relative_compose | |
2110 | && (! CHAR_TABLE_P (Vignore_relative_composition) | |
2111 | || NILP (Faref (Vignore_relative_composition, | |
2112 | make_number (ch))))) | |
2113 | { | |
2114 | ||
2115 | if (- pcm->descent | |
2116 | >= font_info->relative_compose) | |
2117 | /* One extra pixel between two glyphs. */ | |
2118 | btm = highest + 1; | |
2119 | else if (pcm->ascent <= 0) | |
2120 | /* One extra pixel between two glyphs. */ | |
2121 | btm = lowest - 1 - pcm->ascent - pcm->descent; | |
2122 | } | |
2123 | } | |
2124 | else | |
2125 | { | |
2126 | /* A composition rule is specified by an integer | |
2127 | value that encodes global and new reference | |
2128 | points (GREF and NREF). GREF and NREF are | |
2129 | specified by numbers as below: | |
2130 | ||
2131 | 0---1---2 -- ascent | |
2132 | | | | |
2133 | | | | |
2134 | | | | |
2135 | 9--10--11 -- center | |
2136 | | | | |
2137 | ---3---4---5--- baseline | |
2138 | | | | |
2139 | 6---7---8 -- descent | |
2140 | */ | |
2141 | int rule = COMPOSITION_RULE (cmp, i); | |
2142 | int gref, nref, grefx, grefy, nrefx, nrefy; | |
2143 | ||
2144 | COMPOSITION_DECODE_RULE (rule, gref, nref); | |
2145 | grefx = gref % 3, nrefx = nref % 3; | |
2146 | grefy = gref / 3, nrefy = nref / 3; | |
2147 | ||
2148 | left = (leftmost | |
2149 | + grefx * (rightmost - leftmost) / 2 | |
2150 | - nrefx * pcm->width / 2); | |
2151 | btm = ((grefy == 0 ? highest | |
2152 | : grefy == 1 ? 0 | |
2153 | : grefy == 2 ? lowest | |
2154 | : (highest + lowest) / 2) | |
2155 | - (nrefy == 0 ? pcm->ascent + pcm->descent | |
2156 | : nrefy == 1 ? pcm->descent - boff | |
2157 | : nrefy == 2 ? 0 | |
2158 | : (pcm->ascent + pcm->descent) / 2)); | |
2159 | } | |
2160 | ||
2161 | cmp->offsets[i * 2] = left; | |
2162 | cmp->offsets[i * 2 + 1] = btm + pcm->descent; | |
2163 | ||
2164 | /* Update the bounding box of the overall glyphs. */ | |
2165 | right = left + pcm->width; | |
2166 | top = btm + pcm->descent + pcm->ascent; | |
2167 | if (left < leftmost) | |
2168 | leftmost = left; | |
2169 | if (right > rightmost) | |
2170 | rightmost = right; | |
2171 | if (top > highest) | |
2172 | highest = top; | |
2173 | if (btm < lowest) | |
2174 | lowest = btm; | |
2175 | } | |
2176 | ||
2177 | /* If there are glyphs whose x-offsets are negative, | |
2178 | shift all glyphs to the right and make all x-offsets | |
2179 | non-negative. */ | |
2180 | if (leftmost < 0) | |
2181 | { | |
2182 | for (i = 0; i < cmp->glyph_len; i++) | |
2183 | cmp->offsets[i * 2] -= leftmost; | |
2184 | rightmost -= leftmost; | |
2185 | } | |
2186 | ||
2187 | cmp->pixel_width = rightmost; | |
2188 | cmp->ascent = highest; | |
2189 | cmp->descent = - lowest; | |
2190 | if (cmp->ascent < font_ascent) | |
2191 | cmp->ascent = font_ascent; | |
2192 | if (cmp->descent < font_descent) | |
2193 | cmp->descent = font_descent; | |
2194 | } | |
2195 | ||
2196 | it->pixel_width = cmp->pixel_width; | |
2197 | it->ascent = it->phys_ascent = cmp->ascent; | |
2198 | it->descent = it->phys_descent = cmp->descent; | |
2199 | ||
2200 | if (face->box != FACE_NO_BOX) | |
2201 | { | |
2202 | int thick = face->box_line_width; | |
2203 | it->ascent += thick; | |
2204 | it->descent += thick; | |
2205 | ||
2206 | if (it->start_of_box_run_p) | |
2207 | it->pixel_width += thick; | |
2208 | if (it->end_of_box_run_p) | |
2209 | it->pixel_width += thick; | |
2210 | } | |
2211 | ||
2212 | /* If face has an overline, add the height of the overline | |
2213 | (1 pixel) and a 1 pixel margin to the character height. */ | |
2214 | if (face->overline_p) | |
2215 | it->ascent += 2; | |
2216 | ||
2217 | take_vertical_position_into_account (it); | |
2218 | ||
2219 | if (it->glyph_row) | |
2220 | x_append_composite_glyph (it); | |
2221 | } | |
06a2c219 GM |
2222 | else if (it->what == IT_IMAGE) |
2223 | x_produce_image_glyph (it); | |
2224 | else if (it->what == IT_STRETCH) | |
2225 | x_produce_stretch_glyph (it); | |
2226 | ||
2227 | /* Accumulate dimensions. */ | |
2228 | xassert (it->ascent >= 0 && it->descent > 0); | |
2229 | if (it->area == TEXT_AREA) | |
2230 | it->current_x += it->pixel_width; | |
66ac4b0e | 2231 | |
d365f5bb GM |
2232 | it->descent += it->extra_line_spacing; |
2233 | ||
06a2c219 GM |
2234 | it->max_ascent = max (it->max_ascent, it->ascent); |
2235 | it->max_descent = max (it->max_descent, it->descent); | |
66ac4b0e GM |
2236 | it->max_phys_ascent = max (it->max_phys_ascent, it->phys_ascent); |
2237 | it->max_phys_descent = max (it->max_phys_descent, it->phys_descent); | |
06a2c219 GM |
2238 | } |
2239 | ||
2240 | ||
2241 | /* Estimate the pixel height of the mode or top line on frame F. | |
2242 | FACE_ID specifies what line's height to estimate. */ | |
2243 | ||
2244 | int | |
2245 | x_estimate_mode_line_height (f, face_id) | |
2246 | struct frame *f; | |
2247 | enum face_id face_id; | |
2248 | { | |
2249 | int height = 1; | |
2250 | ||
2251 | /* This function is called so early when Emacs starts that the face | |
2252 | cache and mode line face are not yet initialized. */ | |
2253 | if (FRAME_FACE_CACHE (f)) | |
2254 | { | |
2255 | struct face *face = FACE_FROM_ID (f, face_id); | |
2256 | if (face) | |
2257 | height = FONT_HEIGHT (face->font) + 2 * face->box_line_width; | |
2258 | } | |
2259 | ||
2260 | return height; | |
2261 | } | |
2262 | ||
2263 | \f | |
2264 | /*********************************************************************** | |
2265 | Glyph display | |
2266 | ***********************************************************************/ | |
2267 | ||
2268 | /* A sequence of glyphs to be drawn in the same face. | |
2269 | ||
2270 | This data structure is not really completely X specific, so it | |
2271 | could possibly, at least partially, be useful for other systems. It | |
2272 | is currently not part of the external redisplay interface because | |
2273 | it's not clear what other systems will need. */ | |
2274 | ||
2275 | struct glyph_string | |
2276 | { | |
2277 | /* X-origin of the string. */ | |
2278 | int x; | |
2279 | ||
2280 | /* Y-origin and y-position of the base line of this string. */ | |
2281 | int y, ybase; | |
2282 | ||
2283 | /* The width of the string, not including a face extension. */ | |
2284 | int width; | |
2285 | ||
2286 | /* The width of the string, including a face extension. */ | |
2287 | int background_width; | |
2288 | ||
2289 | /* The height of this string. This is the height of the line this | |
2290 | string is drawn in, and can be different from the height of the | |
2291 | font the string is drawn in. */ | |
2292 | int height; | |
2293 | ||
2294 | /* Number of pixels this string overwrites in front of its x-origin. | |
2295 | This number is zero if the string has an lbearing >= 0; it is | |
2296 | -lbearing, if the string has an lbearing < 0. */ | |
2297 | int left_overhang; | |
2298 | ||
2299 | /* Number of pixels this string overwrites past its right-most | |
2300 | nominal x-position, i.e. x + width. Zero if the string's | |
2301 | rbearing is <= its nominal width, rbearing - width otherwise. */ | |
2302 | int right_overhang; | |
2303 | ||
2304 | /* The frame on which the glyph string is drawn. */ | |
2305 | struct frame *f; | |
2306 | ||
2307 | /* The window on which the glyph string is drawn. */ | |
2308 | struct window *w; | |
2309 | ||
2310 | /* X display and window for convenience. */ | |
2311 | Display *display; | |
2312 | Window window; | |
2313 | ||
2314 | /* The glyph row for which this string was built. It determines the | |
2315 | y-origin and height of the string. */ | |
2316 | struct glyph_row *row; | |
2317 | ||
2318 | /* The area within row. */ | |
2319 | enum glyph_row_area area; | |
2320 | ||
2321 | /* Characters to be drawn, and number of characters. */ | |
2322 | XChar2b *char2b; | |
2323 | int nchars; | |
2324 | ||
06a2c219 GM |
2325 | /* A face-override for drawing cursors, mouse face and similar. */ |
2326 | enum draw_glyphs_face hl; | |
2327 | ||
2328 | /* Face in which this string is to be drawn. */ | |
2329 | struct face *face; | |
2330 | ||
2331 | /* Font in which this string is to be drawn. */ | |
2332 | XFontStruct *font; | |
2333 | ||
2334 | /* Font info for this string. */ | |
2335 | struct font_info *font_info; | |
2336 | ||
b4192550 KH |
2337 | /* Non-null means this string describes (part of) a composition. |
2338 | All characters from char2b are drawn composed. */ | |
2339 | struct composition *cmp; | |
06a2c219 GM |
2340 | |
2341 | /* Index of this glyph string's first character in the glyph | |
b4192550 KH |
2342 | definition of CMP. If this is zero, this glyph string describes |
2343 | the first character of a composition. */ | |
06a2c219 GM |
2344 | int gidx; |
2345 | ||
2346 | /* 1 means this glyph strings face has to be drawn to the right end | |
2347 | of the window's drawing area. */ | |
2348 | unsigned extends_to_end_of_line_p : 1; | |
2349 | ||
2350 | /* 1 means the background of this string has been drawn. */ | |
2351 | unsigned background_filled_p : 1; | |
2352 | ||
2353 | /* 1 means glyph string must be drawn with 16-bit functions. */ | |
2354 | unsigned two_byte_p : 1; | |
2355 | ||
2356 | /* 1 means that the original font determined for drawing this glyph | |
2357 | string could not be loaded. The member `font' has been set to | |
2358 | the frame's default font in this case. */ | |
2359 | unsigned font_not_found_p : 1; | |
2360 | ||
2361 | /* 1 means that the face in which this glyph string is drawn has a | |
2362 | stipple pattern. */ | |
2363 | unsigned stippled_p : 1; | |
2364 | ||
66ac4b0e GM |
2365 | /* 1 means only the foreground of this glyph string must be drawn, |
2366 | and we should use the physical height of the line this glyph | |
2367 | string appears in as clip rect. */ | |
2368 | unsigned for_overlaps_p : 1; | |
2369 | ||
06a2c219 GM |
2370 | /* The GC to use for drawing this glyph string. */ |
2371 | GC gc; | |
2372 | ||
2373 | /* A pointer to the first glyph in the string. This glyph | |
2374 | corresponds to char2b[0]. Needed to draw rectangles if | |
2375 | font_not_found_p is 1. */ | |
2376 | struct glyph *first_glyph; | |
2377 | ||
2378 | /* Image, if any. */ | |
2379 | struct image *img; | |
2380 | ||
2381 | struct glyph_string *next, *prev; | |
2382 | }; | |
2383 | ||
2384 | ||
5c187dee | 2385 | #if 0 |
06a2c219 GM |
2386 | |
2387 | static void | |
2388 | x_dump_glyph_string (s) | |
2389 | struct glyph_string *s; | |
2390 | { | |
2391 | fprintf (stderr, "glyph string\n"); | |
2392 | fprintf (stderr, " x, y, w, h = %d, %d, %d, %d\n", | |
2393 | s->x, s->y, s->width, s->height); | |
2394 | fprintf (stderr, " ybase = %d\n", s->ybase); | |
2395 | fprintf (stderr, " hl = %d\n", s->hl); | |
2396 | fprintf (stderr, " left overhang = %d, right = %d\n", | |
2397 | s->left_overhang, s->right_overhang); | |
2398 | fprintf (stderr, " nchars = %d\n", s->nchars); | |
2399 | fprintf (stderr, " extends to end of line = %d\n", | |
2400 | s->extends_to_end_of_line_p); | |
2401 | fprintf (stderr, " font height = %d\n", FONT_HEIGHT (s->font)); | |
2402 | fprintf (stderr, " bg width = %d\n", s->background_width); | |
2403 | } | |
2404 | ||
2405 | #endif /* GLYPH_DEBUG */ | |
2406 | ||
2407 | ||
2408 | ||
2409 | static void x_append_glyph_string_lists P_ ((struct glyph_string **, | |
2410 | struct glyph_string **, | |
2411 | struct glyph_string *, | |
2412 | struct glyph_string *)); | |
2413 | static void x_prepend_glyph_string_lists P_ ((struct glyph_string **, | |
2414 | struct glyph_string **, | |
2415 | struct glyph_string *, | |
2416 | struct glyph_string *)); | |
2417 | static void x_append_glyph_string P_ ((struct glyph_string **, | |
2418 | struct glyph_string **, | |
2419 | struct glyph_string *)); | |
2420 | static int x_left_overwritten P_ ((struct glyph_string *)); | |
2421 | static int x_left_overwriting P_ ((struct glyph_string *)); | |
2422 | static int x_right_overwritten P_ ((struct glyph_string *)); | |
2423 | static int x_right_overwriting P_ ((struct glyph_string *)); | |
66ac4b0e GM |
2424 | static int x_fill_glyph_string P_ ((struct glyph_string *, int, int, int, |
2425 | int)); | |
06a2c219 GM |
2426 | static void x_init_glyph_string P_ ((struct glyph_string *, |
2427 | XChar2b *, struct window *, | |
2428 | struct glyph_row *, | |
2429 | enum glyph_row_area, int, | |
2430 | enum draw_glyphs_face)); | |
2431 | static int x_draw_glyphs P_ ((struct window *, int , struct glyph_row *, | |
2432 | enum glyph_row_area, int, int, | |
66ac4b0e | 2433 | enum draw_glyphs_face, int *, int *, int)); |
06a2c219 GM |
2434 | static void x_set_glyph_string_clipping P_ ((struct glyph_string *)); |
2435 | static void x_set_glyph_string_gc P_ ((struct glyph_string *)); | |
2436 | static void x_draw_glyph_string_background P_ ((struct glyph_string *, | |
2437 | int)); | |
2438 | static void x_draw_glyph_string_foreground P_ ((struct glyph_string *)); | |
b4192550 | 2439 | static void x_draw_composite_glyph_string_foreground P_ ((struct glyph_string *)); |
06a2c219 GM |
2440 | static void x_draw_glyph_string_box P_ ((struct glyph_string *)); |
2441 | static void x_draw_glyph_string P_ ((struct glyph_string *)); | |
2442 | static void x_compute_glyph_string_overhangs P_ ((struct glyph_string *)); | |
2443 | static void x_set_cursor_gc P_ ((struct glyph_string *)); | |
2444 | static void x_set_mode_line_face_gc P_ ((struct glyph_string *)); | |
2445 | static void x_set_mouse_face_gc P_ ((struct glyph_string *)); | |
2446 | static void x_get_glyph_overhangs P_ ((struct glyph *, struct frame *, | |
2447 | int *, int *)); | |
2448 | static void x_compute_overhangs_and_x P_ ((struct glyph_string *, int, int)); | |
2449 | static int x_alloc_lighter_color P_ ((struct frame *, Display *, Colormap, | |
68c45bf0 | 2450 | unsigned long *, double, int)); |
06a2c219 | 2451 | static void x_setup_relief_color P_ ((struct frame *, struct relief *, |
68c45bf0 | 2452 | double, int, unsigned long)); |
06a2c219 GM |
2453 | static void x_setup_relief_colors P_ ((struct glyph_string *)); |
2454 | static void x_draw_image_glyph_string P_ ((struct glyph_string *)); | |
2455 | static void x_draw_image_relief P_ ((struct glyph_string *)); | |
2456 | static void x_draw_image_foreground P_ ((struct glyph_string *)); | |
2457 | static void x_draw_image_foreground_1 P_ ((struct glyph_string *, Pixmap)); | |
2458 | static void x_fill_image_glyph_string P_ ((struct glyph_string *)); | |
2459 | static void x_clear_glyph_string_rect P_ ((struct glyph_string *, int, | |
2460 | int, int, int)); | |
2461 | static void x_draw_relief_rect P_ ((struct frame *, int, int, int, int, | |
2462 | int, int, int, int, XRectangle *)); | |
2463 | static void x_draw_box_rect P_ ((struct glyph_string *, int, int, int, int, | |
2464 | int, int, int, XRectangle *)); | |
66ac4b0e GM |
2465 | static void x_fix_overlapping_area P_ ((struct window *, struct glyph_row *, |
2466 | enum glyph_row_area)); | |
06a2c219 GM |
2467 | |
2468 | ||
06a2c219 GM |
2469 | /* Append the list of glyph strings with head H and tail T to the list |
2470 | with head *HEAD and tail *TAIL. Set *HEAD and *TAIL to the result. */ | |
2471 | ||
2472 | static INLINE void | |
2473 | x_append_glyph_string_lists (head, tail, h, t) | |
2474 | struct glyph_string **head, **tail; | |
2475 | struct glyph_string *h, *t; | |
2476 | { | |
2477 | if (h) | |
2478 | { | |
2479 | if (*head) | |
2480 | (*tail)->next = h; | |
2481 | else | |
2482 | *head = h; | |
2483 | h->prev = *tail; | |
2484 | *tail = t; | |
2485 | } | |
2486 | } | |
2487 | ||
2488 | ||
2489 | /* Prepend the list of glyph strings with head H and tail T to the | |
2490 | list with head *HEAD and tail *TAIL. Set *HEAD and *TAIL to the | |
2491 | result. */ | |
2492 | ||
2493 | static INLINE void | |
2494 | x_prepend_glyph_string_lists (head, tail, h, t) | |
2495 | struct glyph_string **head, **tail; | |
2496 | struct glyph_string *h, *t; | |
2497 | { | |
2498 | if (h) | |
2499 | { | |
2500 | if (*head) | |
2501 | (*head)->prev = t; | |
2502 | else | |
2503 | *tail = t; | |
2504 | t->next = *head; | |
2505 | *head = h; | |
2506 | } | |
2507 | } | |
2508 | ||
2509 | ||
2510 | /* Append glyph string S to the list with head *HEAD and tail *TAIL. | |
2511 | Set *HEAD and *TAIL to the resulting list. */ | |
2512 | ||
2513 | static INLINE void | |
2514 | x_append_glyph_string (head, tail, s) | |
2515 | struct glyph_string **head, **tail; | |
2516 | struct glyph_string *s; | |
2517 | { | |
2518 | s->next = s->prev = NULL; | |
2519 | x_append_glyph_string_lists (head, tail, s, s); | |
2520 | } | |
2521 | ||
2522 | ||
2523 | /* Set S->gc to a suitable GC for drawing glyph string S in cursor | |
2524 | face. */ | |
2525 | ||
2526 | static void | |
2527 | x_set_cursor_gc (s) | |
2528 | struct glyph_string *s; | |
2529 | { | |
2530 | if (s->font == FRAME_FONT (s->f) | |
2531 | && s->face->background == FRAME_BACKGROUND_PIXEL (s->f) | |
2532 | && s->face->foreground == FRAME_FOREGROUND_PIXEL (s->f) | |
b4192550 | 2533 | && !s->cmp) |
06a2c219 GM |
2534 | s->gc = s->f->output_data.x->cursor_gc; |
2535 | else | |
2536 | { | |
2537 | /* Cursor on non-default face: must merge. */ | |
2538 | XGCValues xgcv; | |
2539 | unsigned long mask; | |
2540 | ||
2541 | xgcv.background = s->f->output_data.x->cursor_pixel; | |
2542 | xgcv.foreground = s->face->background; | |
2543 | ||
2544 | /* If the glyph would be invisible, try a different foreground. */ | |
2545 | if (xgcv.foreground == xgcv.background) | |
2546 | xgcv.foreground = s->face->foreground; | |
2547 | if (xgcv.foreground == xgcv.background) | |
2548 | xgcv.foreground = s->f->output_data.x->cursor_foreground_pixel; | |
2549 | if (xgcv.foreground == xgcv.background) | |
2550 | xgcv.foreground = s->face->foreground; | |
2551 | ||
2552 | /* Make sure the cursor is distinct from text in this face. */ | |
2553 | if (xgcv.background == s->face->background | |
2554 | && xgcv.foreground == s->face->foreground) | |
2555 | { | |
2556 | xgcv.background = s->face->foreground; | |
2557 | xgcv.foreground = s->face->background; | |
2558 | } | |
2559 | ||
2560 | IF_DEBUG (x_check_font (s->f, s->font)); | |
2561 | xgcv.font = s->font->fid; | |
2562 | xgcv.graphics_exposures = False; | |
2563 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
2564 | ||
2565 | if (FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc) | |
2566 | XChangeGC (s->display, FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc, | |
2567 | mask, &xgcv); | |
2568 | else | |
2569 | FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc | |
2570 | = XCreateGC (s->display, s->window, mask, &xgcv); | |
2571 | ||
2572 | s->gc = FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc; | |
2573 | } | |
2574 | } | |
2575 | ||
2576 | ||
2577 | /* Set up S->gc of glyph string S for drawing text in mouse face. */ | |
2578 | ||
2579 | static void | |
2580 | x_set_mouse_face_gc (s) | |
2581 | struct glyph_string *s; | |
2582 | { | |
2583 | int face_id; | |
ee569018 | 2584 | struct face *face; |
06a2c219 GM |
2585 | |
2586 | /* What face has to be used for the mouse face? */ | |
2587 | face_id = FRAME_X_DISPLAY_INFO (s->f)->mouse_face_face_id; | |
ee569018 KH |
2588 | face = FACE_FROM_ID (s->f, face_id); |
2589 | face_id = FACE_FOR_CHAR (s->f, face, s->first_glyph->u.ch); | |
06a2c219 GM |
2590 | s->face = FACE_FROM_ID (s->f, face_id); |
2591 | PREPARE_FACE_FOR_DISPLAY (s->f, s->face); | |
2592 | ||
2593 | /* If font in this face is same as S->font, use it. */ | |
2594 | if (s->font == s->face->font) | |
2595 | s->gc = s->face->gc; | |
2596 | else | |
2597 | { | |
2598 | /* Otherwise construct scratch_cursor_gc with values from FACE | |
2599 | but font FONT. */ | |
2600 | XGCValues xgcv; | |
2601 | unsigned long mask; | |
2602 | ||
2603 | xgcv.background = s->face->background; | |
2604 | xgcv.foreground = s->face->foreground; | |
2605 | IF_DEBUG (x_check_font (s->f, s->font)); | |
2606 | xgcv.font = s->font->fid; | |
2607 | xgcv.graphics_exposures = False; | |
2608 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
2609 | ||
2610 | if (FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc) | |
2611 | XChangeGC (s->display, FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc, | |
2612 | mask, &xgcv); | |
2613 | else | |
2614 | FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc | |
2615 | = XCreateGC (s->display, s->window, mask, &xgcv); | |
2616 | ||
2617 | s->gc = FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc; | |
2618 | } | |
2619 | ||
2620 | xassert (s->gc != 0); | |
2621 | } | |
2622 | ||
2623 | ||
2624 | /* Set S->gc of glyph string S to a GC suitable for drawing a mode line. | |
2625 | Faces to use in the mode line have already been computed when the | |
2626 | matrix was built, so there isn't much to do, here. */ | |
2627 | ||
2628 | static INLINE void | |
2629 | x_set_mode_line_face_gc (s) | |
2630 | struct glyph_string *s; | |
2631 | { | |
2632 | s->gc = s->face->gc; | |
2633 | xassert (s->gc != 0); | |
2634 | } | |
2635 | ||
2636 | ||
2637 | /* Set S->gc of glyph string S for drawing that glyph string. Set | |
2638 | S->stippled_p to a non-zero value if the face of S has a stipple | |
2639 | pattern. */ | |
2640 | ||
2641 | static INLINE void | |
2642 | x_set_glyph_string_gc (s) | |
2643 | struct glyph_string *s; | |
2644 | { | |
2645 | if (s->hl == DRAW_NORMAL_TEXT) | |
2646 | { | |
2647 | s->gc = s->face->gc; | |
2648 | s->stippled_p = s->face->stipple != 0; | |
2649 | } | |
2650 | else if (s->hl == DRAW_INVERSE_VIDEO) | |
2651 | { | |
2652 | x_set_mode_line_face_gc (s); | |
2653 | s->stippled_p = s->face->stipple != 0; | |
2654 | } | |
2655 | else if (s->hl == DRAW_CURSOR) | |
2656 | { | |
2657 | x_set_cursor_gc (s); | |
2658 | s->stippled_p = 0; | |
2659 | } | |
2660 | else if (s->hl == DRAW_MOUSE_FACE) | |
2661 | { | |
2662 | x_set_mouse_face_gc (s); | |
2663 | s->stippled_p = s->face->stipple != 0; | |
2664 | } | |
2665 | else if (s->hl == DRAW_IMAGE_RAISED | |
2666 | || s->hl == DRAW_IMAGE_SUNKEN) | |
2667 | { | |
2668 | s->gc = s->face->gc; | |
2669 | s->stippled_p = s->face->stipple != 0; | |
2670 | } | |
2671 | else | |
2672 | { | |
2673 | s->gc = s->face->gc; | |
2674 | s->stippled_p = s->face->stipple != 0; | |
2675 | } | |
2676 | ||
2677 | /* GC must have been set. */ | |
2678 | xassert (s->gc != 0); | |
2679 | } | |
2680 | ||
2681 | ||
2682 | /* Return in *R the clipping rectangle for glyph string S. */ | |
2683 | ||
2684 | static void | |
2685 | x_get_glyph_string_clip_rect (s, r) | |
2686 | struct glyph_string *s; | |
2687 | XRectangle *r; | |
2688 | { | |
2689 | if (s->row->full_width_p) | |
2690 | { | |
2691 | /* Draw full-width. X coordinates are relative to S->w->left. */ | |
1da3fd71 GM |
2692 | int canon_x = CANON_X_UNIT (s->f); |
2693 | ||
2694 | r->x = WINDOW_LEFT_MARGIN (s->w) * canon_x; | |
2695 | r->width = XFASTINT (s->w->width) * canon_x; | |
06a2c219 GM |
2696 | |
2697 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (s->f)) | |
2698 | { | |
1da3fd71 | 2699 | int width = FRAME_SCROLL_BAR_WIDTH (s->f) * canon_x; |
06a2c219 GM |
2700 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (s->f)) |
2701 | r->x -= width; | |
2702 | } | |
2703 | ||
b9432a85 | 2704 | r->x += FRAME_INTERNAL_BORDER_WIDTH (s->f); |
1da3fd71 | 2705 | |
06a2c219 GM |
2706 | /* Unless displaying a mode or menu bar line, which are always |
2707 | fully visible, clip to the visible part of the row. */ | |
2708 | if (s->w->pseudo_window_p) | |
2709 | r->height = s->row->visible_height; | |
2710 | else | |
2711 | r->height = s->height; | |
2712 | } | |
2713 | else | |
2714 | { | |
2715 | /* This is a text line that may be partially visible. */ | |
2716 | r->x = WINDOW_AREA_TO_FRAME_PIXEL_X (s->w, s->area, 0); | |
2717 | r->width = window_box_width (s->w, s->area); | |
2718 | r->height = s->row->visible_height; | |
2719 | } | |
2720 | ||
2721 | /* Don't use S->y for clipping because it doesn't take partially | |
2722 | visible lines into account. For example, it can be negative for | |
2723 | partially visible lines at the top of a window. */ | |
2724 | if (!s->row->full_width_p | |
2725 | && MATRIX_ROW_PARTIALLY_VISIBLE_AT_TOP_P (s->w, s->row)) | |
045dee35 | 2726 | r->y = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (s->w); |
06a2c219 GM |
2727 | else |
2728 | r->y = max (0, s->row->y); | |
06a2c219 | 2729 | |
9ea173e8 | 2730 | /* If drawing a tool-bar window, draw it over the internal border |
06a2c219 | 2731 | at the top of the window. */ |
9ea173e8 | 2732 | if (s->w == XWINDOW (s->f->tool_bar_window)) |
06a2c219 | 2733 | r->y -= s->f->output_data.x->internal_border_width; |
66ac4b0e GM |
2734 | |
2735 | /* If S draws overlapping rows, it's sufficient to use the top and | |
2736 | bottom of the window for clipping because this glyph string | |
2737 | intentionally draws over other lines. */ | |
2738 | if (s->for_overlaps_p) | |
2739 | { | |
045dee35 | 2740 | r->y = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (s->w); |
66ac4b0e GM |
2741 | r->height = window_text_bottom_y (s->w) - r->y; |
2742 | } | |
2743 | ||
2744 | r->y = WINDOW_TO_FRAME_PIXEL_Y (s->w, r->y); | |
06a2c219 GM |
2745 | } |
2746 | ||
2747 | ||
2748 | /* Set clipping for output of glyph string S. S may be part of a mode | |
2749 | line or menu if we don't have X toolkit support. */ | |
2750 | ||
2751 | static INLINE void | |
2752 | x_set_glyph_string_clipping (s) | |
2753 | struct glyph_string *s; | |
2754 | { | |
2755 | XRectangle r; | |
2756 | x_get_glyph_string_clip_rect (s, &r); | |
2757 | XSetClipRectangles (s->display, s->gc, 0, 0, &r, 1, Unsorted); | |
2758 | } | |
2759 | ||
2760 | ||
2761 | /* Compute left and right overhang of glyph string S. If S is a glyph | |
b4192550 | 2762 | string for a composition, assume overhangs don't exist. */ |
06a2c219 GM |
2763 | |
2764 | static INLINE void | |
2765 | x_compute_glyph_string_overhangs (s) | |
2766 | struct glyph_string *s; | |
2767 | { | |
b4192550 | 2768 | if (s->cmp == NULL |
06a2c219 GM |
2769 | && s->first_glyph->type == CHAR_GLYPH) |
2770 | { | |
2771 | XCharStruct cs; | |
2772 | int direction, font_ascent, font_descent; | |
2773 | XTextExtents16 (s->font, s->char2b, s->nchars, &direction, | |
2774 | &font_ascent, &font_descent, &cs); | |
2775 | s->right_overhang = cs.rbearing > cs.width ? cs.rbearing - cs.width : 0; | |
2776 | s->left_overhang = cs.lbearing < 0 ? -cs.lbearing : 0; | |
2777 | } | |
2778 | } | |
2779 | ||
2780 | ||
2781 | /* Compute overhangs and x-positions for glyph string S and its | |
2782 | predecessors, or successors. X is the starting x-position for S. | |
2783 | BACKWARD_P non-zero means process predecessors. */ | |
2784 | ||
2785 | static void | |
2786 | x_compute_overhangs_and_x (s, x, backward_p) | |
2787 | struct glyph_string *s; | |
2788 | int x; | |
2789 | int backward_p; | |
2790 | { | |
2791 | if (backward_p) | |
2792 | { | |
2793 | while (s) | |
2794 | { | |
2795 | x_compute_glyph_string_overhangs (s); | |
2796 | x -= s->width; | |
2797 | s->x = x; | |
2798 | s = s->prev; | |
2799 | } | |
2800 | } | |
2801 | else | |
2802 | { | |
2803 | while (s) | |
2804 | { | |
2805 | x_compute_glyph_string_overhangs (s); | |
2806 | s->x = x; | |
2807 | x += s->width; | |
2808 | s = s->next; | |
2809 | } | |
2810 | } | |
2811 | } | |
2812 | ||
2813 | ||
2814 | /* Set *LEFT and *RIGHT to the left and right overhang of GLYPH on | |
b4192550 KH |
2815 | frame F. Overhangs of glyphs other than type CHAR_GLYPH are |
2816 | assumed to be zero. */ | |
06a2c219 GM |
2817 | |
2818 | static void | |
2819 | x_get_glyph_overhangs (glyph, f, left, right) | |
2820 | struct glyph *glyph; | |
2821 | struct frame *f; | |
2822 | int *left, *right; | |
2823 | { | |
2824 | int c; | |
2825 | ||
2826 | *left = *right = 0; | |
2827 | ||
b4192550 | 2828 | if (glyph->type == CHAR_GLYPH) |
06a2c219 GM |
2829 | { |
2830 | XFontStruct *font; | |
2831 | struct face *face; | |
2832 | struct font_info *font_info; | |
2833 | XChar2b char2b; | |
ee569018 KH |
2834 | XCharStruct *pcm; |
2835 | ||
2836 | face = x_get_glyph_face_and_encoding (f, glyph, &char2b, NULL); | |
06a2c219 GM |
2837 | font = face->font; |
2838 | font_info = FONT_INFO_FROM_ID (f, face->font_info_id); | |
ee569018 KH |
2839 | if (font |
2840 | && (pcm = x_per_char_metric (font, &char2b))) | |
06a2c219 | 2841 | { |
06a2c219 GM |
2842 | if (pcm->rbearing > pcm->width) |
2843 | *right = pcm->rbearing - pcm->width; | |
2844 | if (pcm->lbearing < 0) | |
2845 | *left = -pcm->lbearing; | |
2846 | } | |
2847 | } | |
2848 | } | |
2849 | ||
2850 | ||
2851 | /* Return the index of the first glyph preceding glyph string S that | |
2852 | is overwritten by S because of S's left overhang. Value is -1 | |
2853 | if no glyphs are overwritten. */ | |
2854 | ||
2855 | static int | |
2856 | x_left_overwritten (s) | |
2857 | struct glyph_string *s; | |
2858 | { | |
2859 | int k; | |
2860 | ||
2861 | if (s->left_overhang) | |
2862 | { | |
2863 | int x = 0, i; | |
2864 | struct glyph *glyphs = s->row->glyphs[s->area]; | |
2865 | int first = s->first_glyph - glyphs; | |
2866 | ||
2867 | for (i = first - 1; i >= 0 && x > -s->left_overhang; --i) | |
2868 | x -= glyphs[i].pixel_width; | |
2869 | ||
2870 | k = i + 1; | |
2871 | } | |
2872 | else | |
2873 | k = -1; | |
2874 | ||
2875 | return k; | |
2876 | } | |
2877 | ||
2878 | ||
2879 | /* Return the index of the first glyph preceding glyph string S that | |
2880 | is overwriting S because of its right overhang. Value is -1 if no | |
2881 | glyph in front of S overwrites S. */ | |
2882 | ||
2883 | static int | |
2884 | x_left_overwriting (s) | |
2885 | struct glyph_string *s; | |
2886 | { | |
2887 | int i, k, x; | |
2888 | struct glyph *glyphs = s->row->glyphs[s->area]; | |
2889 | int first = s->first_glyph - glyphs; | |
2890 | ||
2891 | k = -1; | |
2892 | x = 0; | |
2893 | for (i = first - 1; i >= 0; --i) | |
2894 | { | |
2895 | int left, right; | |
2896 | x_get_glyph_overhangs (glyphs + i, s->f, &left, &right); | |
2897 | if (x + right > 0) | |
2898 | k = i; | |
2899 | x -= glyphs[i].pixel_width; | |
2900 | } | |
2901 | ||
2902 | return k; | |
2903 | } | |
2904 | ||
2905 | ||
2906 | /* Return the index of the last glyph following glyph string S that is | |
2907 | not overwritten by S because of S's right overhang. Value is -1 if | |
2908 | no such glyph is found. */ | |
2909 | ||
2910 | static int | |
2911 | x_right_overwritten (s) | |
2912 | struct glyph_string *s; | |
2913 | { | |
2914 | int k = -1; | |
2915 | ||
2916 | if (s->right_overhang) | |
2917 | { | |
2918 | int x = 0, i; | |
2919 | struct glyph *glyphs = s->row->glyphs[s->area]; | |
b4192550 | 2920 | int first = (s->first_glyph - glyphs) + (s->cmp ? 1 : s->nchars); |
06a2c219 GM |
2921 | int end = s->row->used[s->area]; |
2922 | ||
2923 | for (i = first; i < end && s->right_overhang > x; ++i) | |
2924 | x += glyphs[i].pixel_width; | |
2925 | ||
2926 | k = i; | |
2927 | } | |
2928 | ||
2929 | return k; | |
2930 | } | |
2931 | ||
2932 | ||
2933 | /* Return the index of the last glyph following glyph string S that | |
2934 | overwrites S because of its left overhang. Value is negative | |
2935 | if no such glyph is found. */ | |
2936 | ||
2937 | static int | |
2938 | x_right_overwriting (s) | |
2939 | struct glyph_string *s; | |
2940 | { | |
2941 | int i, k, x; | |
2942 | int end = s->row->used[s->area]; | |
2943 | struct glyph *glyphs = s->row->glyphs[s->area]; | |
b4192550 | 2944 | int first = (s->first_glyph - glyphs) + (s->cmp ? 1 : s->nchars); |
06a2c219 GM |
2945 | |
2946 | k = -1; | |
2947 | x = 0; | |
2948 | for (i = first; i < end; ++i) | |
2949 | { | |
2950 | int left, right; | |
2951 | x_get_glyph_overhangs (glyphs + i, s->f, &left, &right); | |
2952 | if (x - left < 0) | |
2953 | k = i; | |
2954 | x += glyphs[i].pixel_width; | |
2955 | } | |
2956 | ||
2957 | return k; | |
2958 | } | |
2959 | ||
2960 | ||
2961 | /* Fill rectangle X, Y, W, H with background color of glyph string S. */ | |
2962 | ||
2963 | static INLINE void | |
2964 | x_clear_glyph_string_rect (s, x, y, w, h) | |
2965 | struct glyph_string *s; | |
2966 | int x, y, w, h; | |
2967 | { | |
2968 | XGCValues xgcv; | |
2969 | XGetGCValues (s->display, s->gc, GCForeground | GCBackground, &xgcv); | |
2970 | XSetForeground (s->display, s->gc, xgcv.background); | |
2971 | XFillRectangle (s->display, s->window, s->gc, x, y, w, h); | |
2972 | XSetForeground (s->display, s->gc, xgcv.foreground); | |
2973 | } | |
2974 | ||
2975 | ||
2976 | /* Draw the background of glyph_string S. If S->background_filled_p | |
2977 | is non-zero don't draw it. FORCE_P non-zero means draw the | |
2978 | background even if it wouldn't be drawn normally. This is used | |
b4192550 KH |
2979 | when a string preceding S draws into the background of S, or S |
2980 | contains the first component of a composition. */ | |
06a2c219 GM |
2981 | |
2982 | static void | |
2983 | x_draw_glyph_string_background (s, force_p) | |
2984 | struct glyph_string *s; | |
2985 | int force_p; | |
2986 | { | |
2987 | /* Nothing to do if background has already been drawn or if it | |
2988 | shouldn't be drawn in the first place. */ | |
2989 | if (!s->background_filled_p) | |
2990 | { | |
b4192550 | 2991 | if (s->stippled_p) |
06a2c219 GM |
2992 | { |
2993 | /* Fill background with a stipple pattern. */ | |
2994 | XSetFillStyle (s->display, s->gc, FillOpaqueStippled); | |
2995 | XFillRectangle (s->display, s->window, s->gc, s->x, | |
2996 | s->y + s->face->box_line_width, | |
2997 | s->background_width, | |
2998 | s->height - 2 * s->face->box_line_width); | |
2999 | XSetFillStyle (s->display, s->gc, FillSolid); | |
3000 | s->background_filled_p = 1; | |
3001 | } | |
3002 | else if (FONT_HEIGHT (s->font) < s->height - 2 * s->face->box_line_width | |
3003 | || s->font_not_found_p | |
3004 | || s->extends_to_end_of_line_p | |
06a2c219 GM |
3005 | || force_p) |
3006 | { | |
3007 | x_clear_glyph_string_rect (s, s->x, s->y + s->face->box_line_width, | |
3008 | s->background_width, | |
3009 | s->height - 2 * s->face->box_line_width); | |
3010 | s->background_filled_p = 1; | |
3011 | } | |
3012 | } | |
3013 | } | |
3014 | ||
3015 | ||
3016 | /* Draw the foreground of glyph string S. */ | |
3017 | ||
3018 | static void | |
3019 | x_draw_glyph_string_foreground (s) | |
3020 | struct glyph_string *s; | |
3021 | { | |
3022 | int i, x; | |
3023 | ||
3024 | /* If first glyph of S has a left box line, start drawing the text | |
3025 | of S to the right of that box line. */ | |
3026 | if (s->face->box != FACE_NO_BOX | |
3027 | && s->first_glyph->left_box_line_p) | |
3028 | x = s->x + s->face->box_line_width; | |
3029 | else | |
3030 | x = s->x; | |
3031 | ||
b4192550 KH |
3032 | /* Draw characters of S as rectangles if S's font could not be |
3033 | loaded. */ | |
3034 | if (s->font_not_found_p) | |
06a2c219 | 3035 | { |
b4192550 | 3036 | for (i = 0; i < s->nchars; ++i) |
06a2c219 | 3037 | { |
b4192550 KH |
3038 | struct glyph *g = s->first_glyph + i; |
3039 | XDrawRectangle (s->display, s->window, | |
3040 | s->gc, x, s->y, g->pixel_width - 1, | |
3041 | s->height - 1); | |
3042 | x += g->pixel_width; | |
06a2c219 GM |
3043 | } |
3044 | } | |
3045 | else | |
3046 | { | |
b4192550 KH |
3047 | char *char1b = (char *) s->char2b; |
3048 | int boff = s->font_info->baseline_offset; | |
06a2c219 | 3049 | |
b4192550 KH |
3050 | if (s->font_info->vertical_centering) |
3051 | boff = VCENTER_BASELINE_OFFSET (s->font, s->f) - boff; | |
3052 | ||
3053 | /* If we can use 8-bit functions, condense S->char2b. */ | |
3054 | if (!s->two_byte_p) | |
3055 | for (i = 0; i < s->nchars; ++i) | |
3056 | char1b[i] = s->char2b[i].byte2; | |
3057 | ||
3058 | /* Draw text with XDrawString if background has already been | |
3059 | filled. Otherwise, use XDrawImageString. (Note that | |
3060 | XDrawImageString is usually faster than XDrawString.) Always | |
3061 | use XDrawImageString when drawing the cursor so that there is | |
3062 | no chance that characters under a box cursor are invisible. */ | |
3063 | if (s->for_overlaps_p | |
3064 | || (s->background_filled_p && s->hl != DRAW_CURSOR)) | |
3065 | { | |
3066 | /* Draw characters with 16-bit or 8-bit functions. */ | |
3067 | if (s->two_byte_p) | |
3068 | XDrawString16 (s->display, s->window, s->gc, x, | |
3069 | s->ybase - boff, s->char2b, s->nchars); | |
3070 | else | |
3071 | XDrawString (s->display, s->window, s->gc, x, | |
3072 | s->ybase - boff, char1b, s->nchars); | |
3073 | } | |
06a2c219 GM |
3074 | else |
3075 | { | |
b4192550 KH |
3076 | if (s->two_byte_p) |
3077 | XDrawImageString16 (s->display, s->window, s->gc, x, | |
3078 | s->ybase - boff, s->char2b, s->nchars); | |
06a2c219 | 3079 | else |
b4192550 KH |
3080 | XDrawImageString (s->display, s->window, s->gc, x, |
3081 | s->ybase - boff, char1b, s->nchars); | |
3082 | } | |
3083 | } | |
3084 | } | |
06a2c219 | 3085 | |
b4192550 | 3086 | /* Draw the foreground of composite glyph string S. */ |
06a2c219 | 3087 | |
b4192550 KH |
3088 | static void |
3089 | x_draw_composite_glyph_string_foreground (s) | |
3090 | struct glyph_string *s; | |
3091 | { | |
3092 | int i, x; | |
06a2c219 | 3093 | |
b4192550 KH |
3094 | /* If first glyph of S has a left box line, start drawing the text |
3095 | of S to the right of that box line. */ | |
3096 | if (s->face->box != FACE_NO_BOX | |
3097 | && s->first_glyph->left_box_line_p) | |
3098 | x = s->x + s->face->box_line_width; | |
3099 | else | |
3100 | x = s->x; | |
06a2c219 | 3101 | |
b4192550 KH |
3102 | /* S is a glyph string for a composition. S->gidx is the index of |
3103 | the first character drawn for glyphs of this composition. | |
3104 | S->gidx == 0 means we are drawing the very first character of | |
3105 | this composition. */ | |
06a2c219 | 3106 | |
b4192550 KH |
3107 | /* Draw a rectangle for the composition if the font for the very |
3108 | first character of the composition could not be loaded. */ | |
3109 | if (s->font_not_found_p) | |
3110 | { | |
3111 | if (s->gidx == 0) | |
3112 | XDrawRectangle (s->display, s->window, s->gc, x, s->y, | |
3113 | s->width - 1, s->height - 1); | |
3114 | } | |
3115 | else | |
3116 | { | |
3117 | for (i = 0; i < s->nchars; i++, ++s->gidx) | |
3118 | XDrawString16 (s->display, s->window, s->gc, | |
3119 | x + s->cmp->offsets[s->gidx * 2], | |
3120 | s->ybase - s->cmp->offsets[s->gidx * 2 + 1], | |
3121 | s->char2b + i, 1); | |
06a2c219 GM |
3122 | } |
3123 | } | |
3124 | ||
3125 | ||
80c32bcc GM |
3126 | #ifdef USE_X_TOOLKIT |
3127 | ||
3128 | /* Allocate the color COLOR->pixel on the screen and display of | |
3129 | widget WIDGET in colormap CMAP. If an exact match cannot be | |
3130 | allocated, try the nearest color available. Value is non-zero | |
3131 | if successful. This is called from lwlib. */ | |
3132 | ||
3133 | int | |
3134 | x_alloc_nearest_color_for_widget (widget, cmap, color) | |
3135 | Widget widget; | |
3136 | Colormap cmap; | |
3137 | XColor *color; | |
3138 | { | |
3139 | struct frame *f; | |
3140 | struct x_display_info *dpyinfo; | |
5c187dee | 3141 | Lisp_Object tail; |
80c32bcc GM |
3142 | |
3143 | dpyinfo = x_display_info_for_display (XtDisplay (widget)); | |
3144 | ||
3145 | /* Find the top-level shell of the widget. Note that this function | |
3146 | can be called when the widget is not yet realized, so XtWindow | |
3147 | (widget) == 0. That's the reason we can't simply use | |
3148 | x_any_window_to_frame. */ | |
3149 | while (!XtIsTopLevelShell (widget)) | |
3150 | widget = XtParent (widget); | |
3151 | ||
3152 | /* Look for a frame with that top-level widget. Allocate the color | |
3153 | on that frame to get the right gamma correction value. */ | |
3154 | for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail)) | |
3155 | if (GC_FRAMEP (XCAR (tail)) | |
3156 | && (f = XFRAME (XCAR (tail)), | |
3157 | (f->output_data.nothing != 1 | |
3158 | && FRAME_X_DISPLAY_INFO (f) == dpyinfo)) | |
3159 | && f->output_data.x->widget == widget) | |
3160 | return x_alloc_nearest_color (f, cmap, color); | |
3161 | ||
3162 | abort (); | |
3163 | } | |
3164 | ||
3165 | #endif /* USE_X_TOOLKIT */ | |
3166 | ||
3167 | ||
06a2c219 GM |
3168 | /* Allocate the color COLOR->pixel on SCREEN of DISPLAY, colormap |
3169 | CMAP. If an exact match can't be allocated, try the nearest color | |
3170 | available. Value is non-zero if successful. Set *COLOR to the | |
3171 | color allocated. */ | |
3172 | ||
3173 | int | |
80c32bcc GM |
3174 | x_alloc_nearest_color (f, cmap, color) |
3175 | struct frame *f; | |
06a2c219 GM |
3176 | Colormap cmap; |
3177 | XColor *color; | |
3178 | { | |
80c32bcc GM |
3179 | Display *display = FRAME_X_DISPLAY (f); |
3180 | Screen *screen = FRAME_X_SCREEN (f); | |
3181 | int rc; | |
3182 | ||
3183 | gamma_correct (f, color); | |
3184 | rc = XAllocColor (display, cmap, color); | |
06a2c219 GM |
3185 | if (rc == 0) |
3186 | { | |
3187 | /* If we got to this point, the colormap is full, so we're going | |
3188 | to try to get the next closest color. The algorithm used is | |
3189 | a least-squares matching, which is what X uses for closest | |
3190 | color matching with StaticColor visuals. */ | |
3191 | int nearest, i; | |
3192 | unsigned long nearest_delta = ~0; | |
3193 | int ncells = XDisplayCells (display, XScreenNumberOfScreen (screen)); | |
3194 | XColor *cells = (XColor *) alloca (ncells * sizeof *cells); | |
3195 | ||
3196 | for (i = 0; i < ncells; ++i) | |
3197 | cells[i].pixel = i; | |
3198 | XQueryColors (display, cmap, cells, ncells); | |
3199 | ||
3200 | for (nearest = i = 0; i < ncells; ++i) | |
3201 | { | |
3202 | long dred = (color->red >> 8) - (cells[i].red >> 8); | |
3203 | long dgreen = (color->green >> 8) - (cells[i].green >> 8); | |
3204 | long dblue = (color->blue >> 8) - (cells[i].blue >> 8); | |
3205 | unsigned long delta = dred * dred + dgreen * dgreen + dblue * dblue; | |
3206 | ||
3207 | if (delta < nearest_delta) | |
3208 | { | |
3209 | nearest = i; | |
3210 | nearest_delta = delta; | |
3211 | } | |
3212 | } | |
3213 | ||
3214 | color->red = cells[nearest].red; | |
3215 | color->green = cells[nearest].green; | |
3216 | color->blue = cells[nearest].blue; | |
3217 | rc = XAllocColor (display, cmap, color); | |
3218 | } | |
3219 | ||
d9c545da GM |
3220 | #ifdef DEBUG_X_COLORS |
3221 | if (rc) | |
3222 | register_color (color->pixel); | |
3223 | #endif /* DEBUG_X_COLORS */ | |
3224 | ||
06a2c219 GM |
3225 | return rc; |
3226 | } | |
3227 | ||
3228 | ||
d9c545da GM |
3229 | /* Allocate color PIXEL on frame F. PIXEL must already be allocated. |
3230 | It's necessary to do this instead of just using PIXEL directly to | |
3231 | get color reference counts right. */ | |
3232 | ||
3233 | unsigned long | |
3234 | x_copy_color (f, pixel) | |
3235 | struct frame *f; | |
3236 | unsigned long pixel; | |
3237 | { | |
3238 | XColor color; | |
3239 | ||
3240 | color.pixel = pixel; | |
3241 | BLOCK_INPUT; | |
3242 | XQueryColor (FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), &color); | |
3243 | XAllocColor (FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), &color); | |
3244 | UNBLOCK_INPUT; | |
3245 | #ifdef DEBUG_X_COLORS | |
3246 | register_color (pixel); | |
3247 | #endif | |
3248 | return color.pixel; | |
3249 | } | |
3250 | ||
3251 | ||
06a2c219 GM |
3252 | /* Allocate a color which is lighter or darker than *PIXEL by FACTOR |
3253 | or DELTA. Try a color with RGB values multiplied by FACTOR first. | |
3254 | If this produces the same color as PIXEL, try a color where all RGB | |
3255 | values have DELTA added. Return the allocated color in *PIXEL. | |
3256 | DISPLAY is the X display, CMAP is the colormap to operate on. | |
3257 | Value is non-zero if successful. */ | |
3258 | ||
3259 | static int | |
3260 | x_alloc_lighter_color (f, display, cmap, pixel, factor, delta) | |
3261 | struct frame *f; | |
3262 | Display *display; | |
3263 | Colormap cmap; | |
3264 | unsigned long *pixel; | |
68c45bf0 | 3265 | double factor; |
06a2c219 GM |
3266 | int delta; |
3267 | { | |
3268 | XColor color, new; | |
3269 | int success_p; | |
3270 | ||
3271 | /* Get RGB color values. */ | |
3272 | color.pixel = *pixel; | |
3273 | XQueryColor (display, cmap, &color); | |
3274 | ||
3275 | /* Change RGB values by specified FACTOR. Avoid overflow! */ | |
3276 | xassert (factor >= 0); | |
3277 | new.red = min (0xffff, factor * color.red); | |
3278 | new.green = min (0xffff, factor * color.green); | |
3279 | new.blue = min (0xffff, factor * color.blue); | |
3280 | ||
3281 | /* Try to allocate the color. */ | |
80c32bcc | 3282 | success_p = x_alloc_nearest_color (f, cmap, &new); |
06a2c219 GM |
3283 | if (success_p) |
3284 | { | |
3285 | if (new.pixel == *pixel) | |
3286 | { | |
3287 | /* If we end up with the same color as before, try adding | |
3288 | delta to the RGB values. */ | |
0d605c67 | 3289 | x_free_colors (f, &new.pixel, 1); |
06a2c219 GM |
3290 | |
3291 | new.red = min (0xffff, delta + color.red); | |
3292 | new.green = min (0xffff, delta + color.green); | |
3293 | new.blue = min (0xffff, delta + color.blue); | |
80c32bcc | 3294 | success_p = x_alloc_nearest_color (f, cmap, &new); |
06a2c219 GM |
3295 | } |
3296 | else | |
3297 | success_p = 1; | |
3298 | *pixel = new.pixel; | |
3299 | } | |
3300 | ||
3301 | return success_p; | |
3302 | } | |
3303 | ||
3304 | ||
3305 | /* Set up the foreground color for drawing relief lines of glyph | |
3306 | string S. RELIEF is a pointer to a struct relief containing the GC | |
3307 | with which lines will be drawn. Use a color that is FACTOR or | |
3308 | DELTA lighter or darker than the relief's background which is found | |
3309 | in S->f->output_data.x->relief_background. If such a color cannot | |
3310 | be allocated, use DEFAULT_PIXEL, instead. */ | |
3311 | ||
3312 | static void | |
3313 | x_setup_relief_color (f, relief, factor, delta, default_pixel) | |
3314 | struct frame *f; | |
3315 | struct relief *relief; | |
68c45bf0 | 3316 | double factor; |
06a2c219 GM |
3317 | int delta; |
3318 | unsigned long default_pixel; | |
3319 | { | |
3320 | XGCValues xgcv; | |
3321 | struct x_output *di = f->output_data.x; | |
3322 | unsigned long mask = GCForeground | GCLineWidth | GCGraphicsExposures; | |
3323 | unsigned long pixel; | |
3324 | unsigned long background = di->relief_background; | |
43bd1b2b | 3325 | Colormap cmap = FRAME_X_COLORMAP (f); |
dcd08bfb GM |
3326 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
3327 | Display *dpy = FRAME_X_DISPLAY (f); | |
06a2c219 GM |
3328 | |
3329 | xgcv.graphics_exposures = False; | |
3330 | xgcv.line_width = 1; | |
3331 | ||
3332 | /* Free previously allocated color. The color cell will be reused | |
3333 | when it has been freed as many times as it was allocated, so this | |
3334 | doesn't affect faces using the same colors. */ | |
3335 | if (relief->gc | |
3336 | && relief->allocated_p) | |
3337 | { | |
3338 | /* If display has an immutable color map, freeing colors is not | |
3339 | necessary and some servers don't allow it. So don't do it. */ | |
0d605c67 | 3340 | x_free_colors (f, &relief->pixel, 1); |
06a2c219 GM |
3341 | relief->allocated_p = 0; |
3342 | } | |
3343 | ||
3344 | /* Allocate new color. */ | |
3345 | xgcv.foreground = default_pixel; | |
3346 | pixel = background; | |
dcd08bfb GM |
3347 | if (dpyinfo->n_planes != 1 |
3348 | && x_alloc_lighter_color (f, dpy, cmap, &pixel, factor, delta)) | |
06a2c219 GM |
3349 | { |
3350 | relief->allocated_p = 1; | |
3351 | xgcv.foreground = relief->pixel = pixel; | |
3352 | } | |
3353 | ||
3354 | if (relief->gc == 0) | |
3355 | { | |
dcd08bfb | 3356 | xgcv.stipple = dpyinfo->gray; |
06a2c219 | 3357 | mask |= GCStipple; |
dcd08bfb | 3358 | relief->gc = XCreateGC (dpy, FRAME_X_WINDOW (f), mask, &xgcv); |
06a2c219 GM |
3359 | } |
3360 | else | |
dcd08bfb | 3361 | XChangeGC (dpy, relief->gc, mask, &xgcv); |
06a2c219 GM |
3362 | } |
3363 | ||
3364 | ||
3365 | /* Set up colors for the relief lines around glyph string S. */ | |
3366 | ||
3367 | static void | |
3368 | x_setup_relief_colors (s) | |
3369 | struct glyph_string *s; | |
3370 | { | |
3371 | struct x_output *di = s->f->output_data.x; | |
3372 | unsigned long color; | |
3373 | ||
3374 | if (s->face->use_box_color_for_shadows_p) | |
3375 | color = s->face->box_color; | |
3376 | else | |
3377 | { | |
3378 | XGCValues xgcv; | |
3379 | ||
3380 | /* Get the background color of the face. */ | |
3381 | XGetGCValues (s->display, s->gc, GCBackground, &xgcv); | |
3382 | color = xgcv.background; | |
3383 | } | |
3384 | ||
3385 | if (di->white_relief.gc == 0 | |
3386 | || color != di->relief_background) | |
3387 | { | |
3388 | di->relief_background = color; | |
3389 | x_setup_relief_color (s->f, &di->white_relief, 1.2, 0x8000, | |
3390 | WHITE_PIX_DEFAULT (s->f)); | |
3391 | x_setup_relief_color (s->f, &di->black_relief, 0.6, 0x4000, | |
3392 | BLACK_PIX_DEFAULT (s->f)); | |
3393 | } | |
3394 | } | |
3395 | ||
3396 | ||
3397 | /* Draw a relief on frame F inside the rectangle given by LEFT_X, | |
3398 | TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief | |
3399 | to draw, it must be >= 0. RAISED_P non-zero means draw a raised | |
3400 | relief. LEFT_P non-zero means draw a relief on the left side of | |
3401 | the rectangle. RIGHT_P non-zero means draw a relief on the right | |
3402 | side of the rectangle. CLIP_RECT is the clipping rectangle to use | |
3403 | when drawing. */ | |
3404 | ||
3405 | static void | |
3406 | x_draw_relief_rect (f, left_x, top_y, right_x, bottom_y, width, | |
3407 | raised_p, left_p, right_p, clip_rect) | |
3408 | struct frame *f; | |
3409 | int left_x, top_y, right_x, bottom_y, left_p, right_p, raised_p; | |
3410 | XRectangle *clip_rect; | |
3411 | { | |
3412 | int i; | |
3413 | GC gc; | |
3414 | ||
3415 | if (raised_p) | |
3416 | gc = f->output_data.x->white_relief.gc; | |
3417 | else | |
3418 | gc = f->output_data.x->black_relief.gc; | |
3419 | XSetClipRectangles (FRAME_X_DISPLAY (f), gc, 0, 0, clip_rect, 1, Unsorted); | |
3420 | ||
3421 | /* Top. */ | |
3422 | for (i = 0; i < width; ++i) | |
3423 | XDrawLine (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, | |
3424 | left_x + i * left_p, top_y + i, | |
3425 | right_x + 1 - i * right_p, top_y + i); | |
3426 | ||
3427 | /* Left. */ | |
3428 | if (left_p) | |
3429 | for (i = 0; i < width; ++i) | |
3430 | XDrawLine (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, | |
3431 | left_x + i, top_y + i, left_x + i, bottom_y - i); | |
3432 | ||
3433 | XSetClipMask (FRAME_X_DISPLAY (f), gc, None); | |
3434 | if (raised_p) | |
3435 | gc = f->output_data.x->black_relief.gc; | |
3436 | else | |
3437 | gc = f->output_data.x->white_relief.gc; | |
3438 | XSetClipRectangles (FRAME_X_DISPLAY (f), gc, 0, 0, clip_rect, 1, Unsorted); | |
3439 | ||
3440 | /* Bottom. */ | |
3441 | for (i = 0; i < width; ++i) | |
3442 | XDrawLine (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, | |
3443 | left_x + i * left_p, bottom_y - i, | |
3444 | right_x + 1 - i * right_p, bottom_y - i); | |
3445 | ||
3446 | /* Right. */ | |
3447 | if (right_p) | |
3448 | for (i = 0; i < width; ++i) | |
3449 | XDrawLine (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, | |
3450 | right_x - i, top_y + i + 1, right_x - i, bottom_y - i); | |
3451 | ||
3452 | XSetClipMask (FRAME_X_DISPLAY (f), gc, None); | |
3453 | } | |
3454 | ||
3455 | ||
3456 | /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y, | |
3457 | RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to | |
3458 | draw, it must be >= 0. LEFT_P non-zero means draw a line on the | |
3459 | left side of the rectangle. RIGHT_P non-zero means draw a line | |
3460 | on the right side of the rectangle. CLIP_RECT is the clipping | |
3461 | rectangle to use when drawing. */ | |
3462 | ||
3463 | static void | |
3464 | x_draw_box_rect (s, left_x, top_y, right_x, bottom_y, width, | |
3465 | left_p, right_p, clip_rect) | |
3466 | struct glyph_string *s; | |
3467 | int left_x, top_y, right_x, bottom_y, left_p, right_p; | |
3468 | XRectangle *clip_rect; | |
3469 | { | |
3470 | XGCValues xgcv; | |
3471 | ||
3472 | XGetGCValues (s->display, s->gc, GCForeground, &xgcv); | |
3473 | XSetForeground (s->display, s->gc, s->face->box_color); | |
3474 | XSetClipRectangles (s->display, s->gc, 0, 0, clip_rect, 1, Unsorted); | |
3475 | ||
3476 | /* Top. */ | |
3477 | XFillRectangle (s->display, s->window, s->gc, | |
3478 | left_x, top_y, right_x - left_x, width); | |
3479 | ||
3480 | /* Left. */ | |
3481 | if (left_p) | |
3482 | XFillRectangle (s->display, s->window, s->gc, | |
3483 | left_x, top_y, width, bottom_y - top_y); | |
3484 | ||
3485 | /* Bottom. */ | |
3486 | XFillRectangle (s->display, s->window, s->gc, | |
3487 | left_x, bottom_y - width, right_x - left_x, width); | |
3488 | ||
3489 | /* Right. */ | |
3490 | if (right_p) | |
3491 | XFillRectangle (s->display, s->window, s->gc, | |
3492 | right_x - width, top_y, width, bottom_y - top_y); | |
3493 | ||
3494 | XSetForeground (s->display, s->gc, xgcv.foreground); | |
3495 | XSetClipMask (s->display, s->gc, None); | |
3496 | } | |
3497 | ||
3498 | ||
3499 | /* Draw a box around glyph string S. */ | |
3500 | ||
3501 | static void | |
3502 | x_draw_glyph_string_box (s) | |
3503 | struct glyph_string *s; | |
3504 | { | |
3505 | int width, left_x, right_x, top_y, bottom_y, last_x, raised_p; | |
3506 | int left_p, right_p; | |
3507 | struct glyph *last_glyph; | |
3508 | XRectangle clip_rect; | |
3509 | ||
3510 | last_x = window_box_right (s->w, s->area); | |
3511 | if (s->row->full_width_p | |
3512 | && !s->w->pseudo_window_p) | |
3513 | { | |
110859fc | 3514 | last_x += FRAME_X_RIGHT_FLAGS_AREA_WIDTH (s->f); |
06a2c219 GM |
3515 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (s->f)) |
3516 | last_x += FRAME_SCROLL_BAR_WIDTH (s->f) * CANON_X_UNIT (s->f); | |
3517 | } | |
3518 | ||
3519 | /* The glyph that may have a right box line. */ | |
b4192550 | 3520 | last_glyph = (s->cmp || s->img |
06a2c219 GM |
3521 | ? s->first_glyph |
3522 | : s->first_glyph + s->nchars - 1); | |
3523 | ||
3524 | width = s->face->box_line_width; | |
3525 | raised_p = s->face->box == FACE_RAISED_BOX; | |
3526 | left_x = s->x; | |
3527 | right_x = ((s->row->full_width_p | |
1da3fd71 | 3528 | ? last_x - 1 |
a7aeb2de | 3529 | : min (last_x, s->x + s->background_width) - 1)); |
06a2c219 GM |
3530 | top_y = s->y; |
3531 | bottom_y = top_y + s->height - 1; | |
3532 | ||
3533 | left_p = (s->first_glyph->left_box_line_p | |
3534 | || (s->hl == DRAW_MOUSE_FACE | |
3535 | && (s->prev == NULL | |
3536 | || s->prev->hl != s->hl))); | |
3537 | right_p = (last_glyph->right_box_line_p | |
3538 | || (s->hl == DRAW_MOUSE_FACE | |
3539 | && (s->next == NULL | |
3540 | || s->next->hl != s->hl))); | |
3541 | ||
3542 | x_get_glyph_string_clip_rect (s, &clip_rect); | |
3543 | ||
3544 | if (s->face->box == FACE_SIMPLE_BOX) | |
3545 | x_draw_box_rect (s, left_x, top_y, right_x, bottom_y, width, | |
3546 | left_p, right_p, &clip_rect); | |
3547 | else | |
3548 | { | |
3549 | x_setup_relief_colors (s); | |
3550 | x_draw_relief_rect (s->f, left_x, top_y, right_x, bottom_y, | |
3551 | width, raised_p, left_p, right_p, &clip_rect); | |
3552 | } | |
3553 | } | |
3554 | ||
3555 | ||
3556 | /* Draw foreground of image glyph string S. */ | |
3557 | ||
3558 | static void | |
3559 | x_draw_image_foreground (s) | |
3560 | struct glyph_string *s; | |
3561 | { | |
3562 | int x; | |
95af8492 | 3563 | int y = s->ybase - image_ascent (s->img, s->face); |
06a2c219 GM |
3564 | |
3565 | /* If first glyph of S has a left box line, start drawing it to the | |
3566 | right of that line. */ | |
3567 | if (s->face->box != FACE_NO_BOX | |
3568 | && s->first_glyph->left_box_line_p) | |
3569 | x = s->x + s->face->box_line_width; | |
3570 | else | |
3571 | x = s->x; | |
3572 | ||
3573 | /* If there is a margin around the image, adjust x- and y-position | |
3574 | by that margin. */ | |
3575 | if (s->img->margin) | |
3576 | { | |
3577 | x += s->img->margin; | |
3578 | y += s->img->margin; | |
3579 | } | |
3580 | ||
3581 | if (s->img->pixmap) | |
3582 | { | |
3583 | if (s->img->mask) | |
3584 | { | |
3585 | /* We can't set both a clip mask and use XSetClipRectangles | |
3586 | because the latter also sets a clip mask. We also can't | |
3587 | trust on the shape extension to be available | |
3588 | (XShapeCombineRegion). So, compute the rectangle to draw | |
3589 | manually. */ | |
3590 | unsigned long mask = (GCClipMask | GCClipXOrigin | GCClipYOrigin | |
3591 | | GCFunction); | |
3592 | XGCValues xgcv; | |
3593 | XRectangle clip_rect, image_rect, r; | |
3594 | ||
3595 | xgcv.clip_mask = s->img->mask; | |
3596 | xgcv.clip_x_origin = x; | |
3597 | xgcv.clip_y_origin = y; | |
3598 | xgcv.function = GXcopy; | |
3599 | XChangeGC (s->display, s->gc, mask, &xgcv); | |
3600 | ||
3601 | x_get_glyph_string_clip_rect (s, &clip_rect); | |
3602 | image_rect.x = x; | |
3603 | image_rect.y = y; | |
3604 | image_rect.width = s->img->width; | |
3605 | image_rect.height = s->img->height; | |
3606 | if (x_intersect_rectangles (&clip_rect, &image_rect, &r)) | |
3607 | XCopyArea (s->display, s->img->pixmap, s->window, s->gc, | |
3608 | r.x - x, r.y - y, r.width, r.height, r.x, r.y); | |
3609 | } | |
3610 | else | |
3611 | { | |
3612 | XCopyArea (s->display, s->img->pixmap, s->window, s->gc, | |
3613 | 0, 0, s->img->width, s->img->height, x, y); | |
3614 | ||
3615 | /* When the image has a mask, we can expect that at | |
3616 | least part of a mouse highlight or a block cursor will | |
3617 | be visible. If the image doesn't have a mask, make | |
3618 | a block cursor visible by drawing a rectangle around | |
3619 | the image. I believe it's looking better if we do | |
3620 | nothing here for mouse-face. */ | |
3621 | if (s->hl == DRAW_CURSOR) | |
3622 | XDrawRectangle (s->display, s->window, s->gc, x, y, | |
3623 | s->img->width - 1, s->img->height - 1); | |
3624 | } | |
3625 | } | |
3626 | else | |
3627 | /* Draw a rectangle if image could not be loaded. */ | |
3628 | XDrawRectangle (s->display, s->window, s->gc, x, y, | |
3629 | s->img->width - 1, s->img->height - 1); | |
3630 | } | |
3631 | ||
3632 | ||
3633 | /* Draw a relief around the image glyph string S. */ | |
3634 | ||
3635 | static void | |
3636 | x_draw_image_relief (s) | |
3637 | struct glyph_string *s; | |
3638 | { | |
3639 | int x0, y0, x1, y1, thick, raised_p; | |
3640 | XRectangle r; | |
3641 | int x; | |
95af8492 | 3642 | int y = s->ybase - image_ascent (s->img, s->face); |
06a2c219 GM |
3643 | |
3644 | /* If first glyph of S has a left box line, start drawing it to the | |
3645 | right of that line. */ | |
3646 | if (s->face->box != FACE_NO_BOX | |
3647 | && s->first_glyph->left_box_line_p) | |
3648 | x = s->x + s->face->box_line_width; | |
3649 | else | |
3650 | x = s->x; | |
3651 | ||
3652 | /* If there is a margin around the image, adjust x- and y-position | |
3653 | by that margin. */ | |
3654 | if (s->img->margin) | |
3655 | { | |
3656 | x += s->img->margin; | |
3657 | y += s->img->margin; | |
3658 | } | |
3659 | ||
3660 | if (s->hl == DRAW_IMAGE_SUNKEN | |
3661 | || s->hl == DRAW_IMAGE_RAISED) | |
3662 | { | |
9ea173e8 | 3663 | thick = tool_bar_button_relief > 0 ? tool_bar_button_relief : 3; |
06a2c219 GM |
3664 | raised_p = s->hl == DRAW_IMAGE_RAISED; |
3665 | } | |
3666 | else | |
3667 | { | |
3668 | thick = abs (s->img->relief); | |
3669 | raised_p = s->img->relief > 0; | |
3670 | } | |
3671 | ||
3672 | x0 = x - thick; | |
3673 | y0 = y - thick; | |
3674 | x1 = x + s->img->width + thick - 1; | |
3675 | y1 = y + s->img->height + thick - 1; | |
3676 | ||
3677 | x_setup_relief_colors (s); | |
3678 | x_get_glyph_string_clip_rect (s, &r); | |
3679 | x_draw_relief_rect (s->f, x0, y0, x1, y1, thick, raised_p, 1, 1, &r); | |
3680 | } | |
3681 | ||
3682 | ||
3683 | /* Draw the foreground of image glyph string S to PIXMAP. */ | |
3684 | ||
3685 | static void | |
3686 | x_draw_image_foreground_1 (s, pixmap) | |
3687 | struct glyph_string *s; | |
3688 | Pixmap pixmap; | |
3689 | { | |
3690 | int x; | |
95af8492 | 3691 | int y = s->ybase - s->y - image_ascent (s->img, s->face); |
06a2c219 GM |
3692 | |
3693 | /* If first glyph of S has a left box line, start drawing it to the | |
3694 | right of that line. */ | |
3695 | if (s->face->box != FACE_NO_BOX | |
3696 | && s->first_glyph->left_box_line_p) | |
3697 | x = s->face->box_line_width; | |
3698 | else | |
3699 | x = 0; | |
3700 | ||
3701 | /* If there is a margin around the image, adjust x- and y-position | |
3702 | by that margin. */ | |
3703 | if (s->img->margin) | |
3704 | { | |
3705 | x += s->img->margin; | |
3706 | y += s->img->margin; | |
3707 | } | |
dc43ef94 | 3708 | |
06a2c219 GM |
3709 | if (s->img->pixmap) |
3710 | { | |
3711 | if (s->img->mask) | |
3712 | { | |
3713 | /* We can't set both a clip mask and use XSetClipRectangles | |
3714 | because the latter also sets a clip mask. We also can't | |
3715 | trust on the shape extension to be available | |
3716 | (XShapeCombineRegion). So, compute the rectangle to draw | |
3717 | manually. */ | |
3718 | unsigned long mask = (GCClipMask | GCClipXOrigin | GCClipYOrigin | |
3719 | | GCFunction); | |
3720 | XGCValues xgcv; | |
3721 | ||
3722 | xgcv.clip_mask = s->img->mask; | |
3723 | xgcv.clip_x_origin = x; | |
3724 | xgcv.clip_y_origin = y; | |
3725 | xgcv.function = GXcopy; | |
3726 | XChangeGC (s->display, s->gc, mask, &xgcv); | |
3727 | ||
3728 | XCopyArea (s->display, s->img->pixmap, pixmap, s->gc, | |
3729 | 0, 0, s->img->width, s->img->height, x, y); | |
3730 | XSetClipMask (s->display, s->gc, None); | |
3731 | } | |
3732 | else | |
3733 | { | |
3734 | XCopyArea (s->display, s->img->pixmap, pixmap, s->gc, | |
3735 | 0, 0, s->img->width, s->img->height, x, y); | |
3736 | ||
3737 | /* When the image has a mask, we can expect that at | |
3738 | least part of a mouse highlight or a block cursor will | |
3739 | be visible. If the image doesn't have a mask, make | |
3740 | a block cursor visible by drawing a rectangle around | |
3741 | the image. I believe it's looking better if we do | |
3742 | nothing here for mouse-face. */ | |
3743 | if (s->hl == DRAW_CURSOR) | |
3744 | XDrawRectangle (s->display, pixmap, s->gc, x, y, | |
3745 | s->img->width - 1, s->img->height - 1); | |
3746 | } | |
3747 | } | |
3748 | else | |
3749 | /* Draw a rectangle if image could not be loaded. */ | |
3750 | XDrawRectangle (s->display, pixmap, s->gc, x, y, | |
3751 | s->img->width - 1, s->img->height - 1); | |
3752 | } | |
dc43ef94 | 3753 | |
990ba854 | 3754 | |
06a2c219 GM |
3755 | /* Draw part of the background of glyph string S. X, Y, W, and H |
3756 | give the rectangle to draw. */ | |
a9a5b0a5 | 3757 | |
06a2c219 GM |
3758 | static void |
3759 | x_draw_glyph_string_bg_rect (s, x, y, w, h) | |
3760 | struct glyph_string *s; | |
3761 | int x, y, w, h; | |
3762 | { | |
3763 | if (s->stippled_p) | |
3764 | { | |
3765 | /* Fill background with a stipple pattern. */ | |
3766 | XSetFillStyle (s->display, s->gc, FillOpaqueStippled); | |
3767 | XFillRectangle (s->display, s->window, s->gc, x, y, w, h); | |
3768 | XSetFillStyle (s->display, s->gc, FillSolid); | |
3769 | } | |
3770 | else | |
3771 | x_clear_glyph_string_rect (s, x, y, w, h); | |
3772 | } | |
07e34cb0 | 3773 | |
b5210ea7 | 3774 | |
06a2c219 | 3775 | /* Draw image glyph string S. |
dc43ef94 | 3776 | |
06a2c219 GM |
3777 | s->y |
3778 | s->x +------------------------- | |
3779 | | s->face->box | |
3780 | | | |
3781 | | +------------------------- | |
3782 | | | s->img->margin | |
3783 | | | | |
3784 | | | +------------------- | |
3785 | | | | the image | |
dc43ef94 | 3786 | |
06a2c219 | 3787 | */ |
dc43ef94 | 3788 | |
06a2c219 GM |
3789 | static void |
3790 | x_draw_image_glyph_string (s) | |
3791 | struct glyph_string *s; | |
3792 | { | |
3793 | int x, y; | |
3794 | int box_line_width = s->face->box_line_width; | |
3795 | int margin = s->img->margin; | |
3796 | int height; | |
3797 | Pixmap pixmap = None; | |
3798 | ||
3799 | height = s->height - 2 * box_line_width; | |
3800 | ||
3801 | /* Fill background with face under the image. Do it only if row is | |
3802 | taller than image or if image has a clip mask to reduce | |
3803 | flickering. */ | |
3804 | s->stippled_p = s->face->stipple != 0; | |
3805 | if (height > s->img->height | |
3806 | || margin | |
3807 | || s->img->mask | |
3808 | || s->img->pixmap == 0 | |
3809 | || s->width != s->background_width) | |
3810 | { | |
3811 | if (box_line_width && s->first_glyph->left_box_line_p) | |
3812 | x = s->x + box_line_width; | |
3813 | else | |
3814 | x = s->x; | |
3815 | ||
3816 | y = s->y + box_line_width; | |
3817 | ||
3818 | if (s->img->mask) | |
3819 | { | |
3820 | /* Create a pixmap as large as the glyph string Fill it with | |
3821 | the background color. Copy the image to it, using its | |
3822 | mask. Copy the temporary pixmap to the display. */ | |
3823 | Screen *screen = FRAME_X_SCREEN (s->f); | |
3824 | int depth = DefaultDepthOfScreen (screen); | |
3825 | ||
3826 | /* Create a pixmap as large as the glyph string. */ | |
3827 | pixmap = XCreatePixmap (s->display, s->window, | |
3828 | s->background_width, | |
3829 | s->height, depth); | |
3830 | ||
3831 | /* Don't clip in the following because we're working on the | |
3832 | pixmap. */ | |
3833 | XSetClipMask (s->display, s->gc, None); | |
3834 | ||
3835 | /* Fill the pixmap with the background color/stipple. */ | |
3836 | if (s->stippled_p) | |
3837 | { | |
3838 | /* Fill background with a stipple pattern. */ | |
3839 | XSetFillStyle (s->display, s->gc, FillOpaqueStippled); | |
3840 | XFillRectangle (s->display, pixmap, s->gc, | |
3841 | 0, 0, s->background_width, s->height); | |
3842 | XSetFillStyle (s->display, s->gc, FillSolid); | |
3843 | } | |
3844 | else | |
3845 | { | |
3846 | XGCValues xgcv; | |
3847 | XGetGCValues (s->display, s->gc, GCForeground | GCBackground, | |
3848 | &xgcv); | |
3849 | XSetForeground (s->display, s->gc, xgcv.background); | |
3850 | XFillRectangle (s->display, pixmap, s->gc, | |
3851 | 0, 0, s->background_width, s->height); | |
3852 | XSetForeground (s->display, s->gc, xgcv.foreground); | |
3853 | } | |
3854 | } | |
3855 | else | |
3856 | /* Implementation idea: Is it possible to construct a mask? | |
3857 | We could look at the color at the margins of the image, and | |
3858 | say that this color is probably the background color of the | |
3859 | image. */ | |
3860 | x_draw_glyph_string_bg_rect (s, x, y, s->background_width, height); | |
3861 | ||
3862 | s->background_filled_p = 1; | |
3863 | } | |
dc43ef94 | 3864 | |
06a2c219 GM |
3865 | /* Draw the foreground. */ |
3866 | if (pixmap != None) | |
3867 | { | |
3868 | x_draw_image_foreground_1 (s, pixmap); | |
3869 | x_set_glyph_string_clipping (s); | |
3870 | XCopyArea (s->display, pixmap, s->window, s->gc, | |
3871 | 0, 0, s->background_width, s->height, s->x, s->y); | |
3872 | XFreePixmap (s->display, pixmap); | |
3873 | } | |
3874 | else | |
3875 | x_draw_image_foreground (s); | |
b5210ea7 | 3876 | |
06a2c219 GM |
3877 | /* If we must draw a relief around the image, do it. */ |
3878 | if (s->img->relief | |
3879 | || s->hl == DRAW_IMAGE_RAISED | |
3880 | || s->hl == DRAW_IMAGE_SUNKEN) | |
3881 | x_draw_image_relief (s); | |
3882 | } | |
8c1a6a84 | 3883 | |
990ba854 | 3884 | |
06a2c219 | 3885 | /* Draw stretch glyph string S. */ |
dc43ef94 | 3886 | |
06a2c219 GM |
3887 | static void |
3888 | x_draw_stretch_glyph_string (s) | |
3889 | struct glyph_string *s; | |
3890 | { | |
3891 | xassert (s->first_glyph->type == STRETCH_GLYPH); | |
3892 | s->stippled_p = s->face->stipple != 0; | |
990ba854 | 3893 | |
06a2c219 GM |
3894 | if (s->hl == DRAW_CURSOR |
3895 | && !x_stretch_cursor_p) | |
3896 | { | |
3897 | /* If `x-stretch-block-cursor' is nil, don't draw a block cursor | |
3898 | as wide as the stretch glyph. */ | |
3899 | int width = min (CANON_X_UNIT (s->f), s->background_width); | |
990ba854 | 3900 | |
06a2c219 GM |
3901 | /* Draw cursor. */ |
3902 | x_draw_glyph_string_bg_rect (s, s->x, s->y, width, s->height); | |
0cdd0c9f | 3903 | |
06a2c219 GM |
3904 | /* Clear rest using the GC of the original non-cursor face. */ |
3905 | if (width < s->background_width) | |
3906 | { | |
3907 | GC gc = s->face->gc; | |
3908 | int x = s->x + width, y = s->y; | |
3909 | int w = s->background_width - width, h = s->height; | |
3910 | XRectangle r; | |
dc43ef94 | 3911 | |
06a2c219 GM |
3912 | x_get_glyph_string_clip_rect (s, &r); |
3913 | XSetClipRectangles (s->display, gc, 0, 0, &r, 1, Unsorted); | |
97210f4e | 3914 | |
06a2c219 GM |
3915 | if (s->face->stipple) |
3916 | { | |
3917 | /* Fill background with a stipple pattern. */ | |
3918 | XSetFillStyle (s->display, gc, FillOpaqueStippled); | |
3919 | XFillRectangle (s->display, s->window, gc, x, y, w, h); | |
3920 | XSetFillStyle (s->display, gc, FillSolid); | |
3921 | } | |
3922 | else | |
3923 | { | |
3924 | XGCValues xgcv; | |
3925 | XGetGCValues (s->display, gc, GCForeground | GCBackground, &xgcv); | |
3926 | XSetForeground (s->display, gc, xgcv.background); | |
3927 | XFillRectangle (s->display, s->window, gc, x, y, w, h); | |
3928 | XSetForeground (s->display, gc, xgcv.foreground); | |
3929 | } | |
3930 | } | |
3931 | } | |
3932 | else | |
3933 | x_draw_glyph_string_bg_rect (s, s->x, s->y, s->background_width, | |
3934 | s->height); | |
3935 | ||
3936 | s->background_filled_p = 1; | |
3937 | } | |
3938 | ||
3939 | ||
3940 | /* Draw glyph string S. */ | |
3941 | ||
3942 | static void | |
3943 | x_draw_glyph_string (s) | |
3944 | struct glyph_string *s; | |
3945 | { | |
3946 | /* If S draws into the background of its successor, draw the | |
3947 | background of the successor first so that S can draw into it. | |
3948 | This makes S->next use XDrawString instead of XDrawImageString. */ | |
66ac4b0e | 3949 | if (s->next && s->right_overhang && !s->for_overlaps_p) |
06a2c219 GM |
3950 | { |
3951 | xassert (s->next->img == NULL); | |
3952 | x_set_glyph_string_gc (s->next); | |
3953 | x_set_glyph_string_clipping (s->next); | |
3954 | x_draw_glyph_string_background (s->next, 1); | |
3955 | } | |
97210f4e | 3956 | |
06a2c219 GM |
3957 | /* Set up S->gc, set clipping and draw S. */ |
3958 | x_set_glyph_string_gc (s); | |
3959 | x_set_glyph_string_clipping (s); | |
3960 | ||
3961 | switch (s->first_glyph->type) | |
3962 | { | |
3963 | case IMAGE_GLYPH: | |
3964 | x_draw_image_glyph_string (s); | |
3965 | break; | |
3966 | ||
3967 | case STRETCH_GLYPH: | |
3968 | x_draw_stretch_glyph_string (s); | |
3969 | break; | |
3970 | ||
3971 | case CHAR_GLYPH: | |
66ac4b0e GM |
3972 | if (s->for_overlaps_p) |
3973 | s->background_filled_p = 1; | |
3974 | else | |
3975 | x_draw_glyph_string_background (s, 0); | |
06a2c219 GM |
3976 | x_draw_glyph_string_foreground (s); |
3977 | break; | |
3978 | ||
b4192550 KH |
3979 | case COMPOSITE_GLYPH: |
3980 | if (s->for_overlaps_p || s->gidx > 0) | |
3981 | s->background_filled_p = 1; | |
3982 | else | |
3983 | x_draw_glyph_string_background (s, 1); | |
3984 | x_draw_composite_glyph_string_foreground (s); | |
3985 | break; | |
3986 | ||
06a2c219 GM |
3987 | default: |
3988 | abort (); | |
3989 | } | |
3990 | ||
66ac4b0e | 3991 | if (!s->for_overlaps_p) |
06a2c219 | 3992 | { |
66ac4b0e GM |
3993 | /* Draw underline. */ |
3994 | if (s->face->underline_p) | |
3995 | { | |
3996 | unsigned long dy, h; | |
06a2c219 | 3997 | |
66ac4b0e GM |
3998 | if (!XGetFontProperty (s->font, XA_UNDERLINE_THICKNESS, &h)) |
3999 | h = 1; | |
4000 | if (!XGetFontProperty (s->font, XA_UNDERLINE_POSITION, &dy)) | |
4001 | dy = s->height - h; | |
06a2c219 | 4002 | |
66ac4b0e GM |
4003 | if (s->face->underline_defaulted_p) |
4004 | XFillRectangle (s->display, s->window, s->gc, s->x, s->y + dy, | |
4005 | s->width, h); | |
4006 | else | |
4007 | { | |
4008 | XGCValues xgcv; | |
4009 | XGetGCValues (s->display, s->gc, GCForeground, &xgcv); | |
4010 | XSetForeground (s->display, s->gc, s->face->underline_color); | |
4011 | XFillRectangle (s->display, s->window, s->gc, s->x, s->y + dy, | |
4012 | s->width, h); | |
4013 | XSetForeground (s->display, s->gc, xgcv.foreground); | |
4014 | } | |
dc6f92b8 | 4015 | } |
07e34cb0 | 4016 | |
66ac4b0e GM |
4017 | /* Draw overline. */ |
4018 | if (s->face->overline_p) | |
06a2c219 | 4019 | { |
66ac4b0e GM |
4020 | unsigned long dy = 0, h = 1; |
4021 | ||
4022 | if (s->face->overline_color_defaulted_p) | |
4023 | XFillRectangle (s->display, s->window, s->gc, s->x, s->y + dy, | |
4024 | s->width, h); | |
4025 | else | |
4026 | { | |
4027 | XGCValues xgcv; | |
4028 | XGetGCValues (s->display, s->gc, GCForeground, &xgcv); | |
4029 | XSetForeground (s->display, s->gc, s->face->overline_color); | |
4030 | XFillRectangle (s->display, s->window, s->gc, s->x, s->y + dy, | |
4031 | s->width, h); | |
4032 | XSetForeground (s->display, s->gc, xgcv.foreground); | |
4033 | } | |
06a2c219 | 4034 | } |
06a2c219 | 4035 | |
66ac4b0e GM |
4036 | /* Draw strike-through. */ |
4037 | if (s->face->strike_through_p) | |
06a2c219 | 4038 | { |
66ac4b0e GM |
4039 | unsigned long h = 1; |
4040 | unsigned long dy = (s->height - h) / 2; | |
4041 | ||
4042 | if (s->face->strike_through_color_defaulted_p) | |
4043 | XFillRectangle (s->display, s->window, s->gc, s->x, s->y + dy, | |
4044 | s->width, h); | |
4045 | else | |
4046 | { | |
4047 | XGCValues xgcv; | |
4048 | XGetGCValues (s->display, s->gc, GCForeground, &xgcv); | |
4049 | XSetForeground (s->display, s->gc, s->face->strike_through_color); | |
4050 | XFillRectangle (s->display, s->window, s->gc, s->x, s->y + dy, | |
4051 | s->width, h); | |
4052 | XSetForeground (s->display, s->gc, xgcv.foreground); | |
4053 | } | |
06a2c219 | 4054 | } |
06a2c219 | 4055 | |
66ac4b0e GM |
4056 | /* Draw relief. */ |
4057 | if (s->face->box != FACE_NO_BOX) | |
4058 | x_draw_glyph_string_box (s); | |
4059 | } | |
06a2c219 GM |
4060 | |
4061 | /* Reset clipping. */ | |
4062 | XSetClipMask (s->display, s->gc, None); | |
dc6f92b8 | 4063 | } |
07e34cb0 | 4064 | |
06a2c219 | 4065 | |
b4192550 KH |
4066 | static int x_fill_composite_glyph_string P_ ((struct glyph_string *, |
4067 | struct face **, int)); | |
06a2c219 | 4068 | |
06a2c219 | 4069 | |
b4192550 KH |
4070 | /* Load glyph string S with a composition components specified by S->cmp. |
4071 | FACES is an array of faces for all components of this composition. | |
4072 | S->gidx is the index of the first component for S. | |
4073 | OVERLAPS_P non-zero means S should draw the foreground only, and | |
4074 | use its lines physical height for clipping. | |
06a2c219 | 4075 | |
b4192550 | 4076 | Value is the index of a component not in S. */ |
07e34cb0 | 4077 | |
b4192550 KH |
4078 | static int |
4079 | x_fill_composite_glyph_string (s, faces, overlaps_p) | |
06a2c219 | 4080 | struct glyph_string *s; |
b4192550 | 4081 | struct face **faces; |
66ac4b0e | 4082 | int overlaps_p; |
07e34cb0 | 4083 | { |
b4192550 | 4084 | int i; |
06a2c219 | 4085 | |
b4192550 | 4086 | xassert (s); |
06a2c219 | 4087 | |
b4192550 | 4088 | s->for_overlaps_p = overlaps_p; |
06a2c219 | 4089 | |
b4192550 KH |
4090 | s->face = faces[s->gidx]; |
4091 | s->font = s->face->font; | |
4092 | s->font_info = FONT_INFO_FROM_ID (s->f, s->face->font_info_id); | |
06a2c219 | 4093 | |
b4192550 KH |
4094 | /* For all glyphs of this composition, starting at the offset |
4095 | S->gidx, until we reach the end of the definition or encounter a | |
4096 | glyph that requires the different face, add it to S. */ | |
4097 | ++s->nchars; | |
4098 | for (i = s->gidx + 1; i < s->cmp->glyph_len && faces[i] == s->face; ++i) | |
4099 | ++s->nchars; | |
06a2c219 | 4100 | |
b4192550 KH |
4101 | /* All glyph strings for the same composition has the same width, |
4102 | i.e. the width set for the first component of the composition. */ | |
06a2c219 | 4103 | |
06a2c219 GM |
4104 | s->width = s->first_glyph->pixel_width; |
4105 | ||
4106 | /* If the specified font could not be loaded, use the frame's | |
4107 | default font, but record the fact that we couldn't load it in | |
4108 | the glyph string so that we can draw rectangles for the | |
4109 | characters of the glyph string. */ | |
4110 | if (s->font == NULL) | |
4111 | { | |
4112 | s->font_not_found_p = 1; | |
4113 | s->font = FRAME_FONT (s->f); | |
4114 | } | |
4115 | ||
4116 | /* Adjust base line for subscript/superscript text. */ | |
4117 | s->ybase += s->first_glyph->voffset; | |
4118 | ||
4119 | xassert (s->face && s->face->gc); | |
4120 | ||
4121 | /* This glyph string must always be drawn with 16-bit functions. */ | |
4122 | s->two_byte_p = 1; | |
b4192550 KH |
4123 | |
4124 | return s->gidx + s->nchars; | |
06a2c219 GM |
4125 | } |
4126 | ||
4127 | ||
b4192550 | 4128 | /* Load glyph string S with a sequence characters. |
06a2c219 | 4129 | FACE_ID is the face id of the string. START is the index of the |
66ac4b0e GM |
4130 | first glyph to consider, END is the index of the last + 1. |
4131 | OVERLAPS_P non-zero means S should draw the foreground only, and | |
4132 | use its lines physical height for clipping. | |
4133 | ||
4134 | Value is the index of the first glyph not in S. */ | |
06a2c219 GM |
4135 | |
4136 | static int | |
66ac4b0e | 4137 | x_fill_glyph_string (s, face_id, start, end, overlaps_p) |
06a2c219 GM |
4138 | struct glyph_string *s; |
4139 | int face_id; | |
66ac4b0e | 4140 | int start, end, overlaps_p; |
06a2c219 GM |
4141 | { |
4142 | struct glyph *glyph, *last; | |
4143 | int voffset; | |
ee569018 | 4144 | int glyph_not_available_p; |
06a2c219 | 4145 | |
06a2c219 GM |
4146 | xassert (s->f == XFRAME (s->w->frame)); |
4147 | xassert (s->nchars == 0); | |
4148 | xassert (start >= 0 && end > start); | |
4149 | ||
66ac4b0e | 4150 | s->for_overlaps_p = overlaps_p, |
06a2c219 GM |
4151 | glyph = s->row->glyphs[s->area] + start; |
4152 | last = s->row->glyphs[s->area] + end; | |
4153 | voffset = glyph->voffset; | |
4154 | ||
ee569018 KH |
4155 | glyph_not_available_p = glyph->glyph_not_available_p; |
4156 | ||
06a2c219 GM |
4157 | while (glyph < last |
4158 | && glyph->type == CHAR_GLYPH | |
4159 | && glyph->voffset == voffset | |
ee569018 KH |
4160 | /* Same face id implies same font, nowadays. */ |
4161 | && glyph->face_id == face_id | |
4162 | && glyph->glyph_not_available_p == glyph_not_available_p) | |
06a2c219 | 4163 | { |
ee569018 KH |
4164 | int two_byte_p; |
4165 | ||
06a2c219 | 4166 | s->face = x_get_glyph_face_and_encoding (s->f, glyph, |
ee569018 KH |
4167 | s->char2b + s->nchars, |
4168 | &two_byte_p); | |
4169 | s->two_byte_p = two_byte_p; | |
06a2c219 GM |
4170 | ++s->nchars; |
4171 | xassert (s->nchars <= end - start); | |
4172 | s->width += glyph->pixel_width; | |
4173 | ++glyph; | |
4174 | } | |
4175 | ||
4176 | s->font = s->face->font; | |
4177 | s->font_info = FONT_INFO_FROM_ID (s->f, s->face->font_info_id); | |
4178 | ||
4179 | /* If the specified font could not be loaded, use the frame's font, | |
4180 | but record the fact that we couldn't load it in | |
4181 | S->font_not_found_p so that we can draw rectangles for the | |
4182 | characters of the glyph string. */ | |
ee569018 | 4183 | if (s->font == NULL || glyph_not_available_p) |
06a2c219 GM |
4184 | { |
4185 | s->font_not_found_p = 1; | |
4186 | s->font = FRAME_FONT (s->f); | |
4187 | } | |
4188 | ||
4189 | /* Adjust base line for subscript/superscript text. */ | |
4190 | s->ybase += voffset; | |
66ac4b0e | 4191 | |
06a2c219 GM |
4192 | xassert (s->face && s->face->gc); |
4193 | return glyph - s->row->glyphs[s->area]; | |
07e34cb0 | 4194 | } |
dc6f92b8 | 4195 | |
06a2c219 GM |
4196 | |
4197 | /* Fill glyph string S from image glyph S->first_glyph. */ | |
dc6f92b8 | 4198 | |
dfcf069d | 4199 | static void |
06a2c219 GM |
4200 | x_fill_image_glyph_string (s) |
4201 | struct glyph_string *s; | |
4202 | { | |
4203 | xassert (s->first_glyph->type == IMAGE_GLYPH); | |
43d120d8 | 4204 | s->img = IMAGE_FROM_ID (s->f, s->first_glyph->u.img_id); |
06a2c219 | 4205 | xassert (s->img); |
43d120d8 | 4206 | s->face = FACE_FROM_ID (s->f, s->first_glyph->face_id); |
06a2c219 GM |
4207 | s->font = s->face->font; |
4208 | s->width = s->first_glyph->pixel_width; | |
4209 | ||
4210 | /* Adjust base line for subscript/superscript text. */ | |
4211 | s->ybase += s->first_glyph->voffset; | |
4212 | } | |
4213 | ||
4214 | ||
4215 | /* Fill glyph string S from stretch glyph S->first_glyph. */ | |
4216 | ||
4217 | static void | |
4218 | x_fill_stretch_glyph_string (s) | |
4219 | struct glyph_string *s; | |
4220 | { | |
4221 | xassert (s->first_glyph->type == STRETCH_GLYPH); | |
43d120d8 | 4222 | s->face = FACE_FROM_ID (s->f, s->first_glyph->face_id); |
06a2c219 GM |
4223 | s->font = s->face->font; |
4224 | s->width = s->first_glyph->pixel_width; | |
4225 | ||
4226 | /* Adjust base line for subscript/superscript text. */ | |
4227 | s->ybase += s->first_glyph->voffset; | |
4228 | } | |
4229 | ||
4230 | ||
4231 | /* Initialize glyph string S. CHAR2B is a suitably allocated vector | |
4232 | of XChar2b structures for S; it can't be allocated in | |
4233 | x_init_glyph_string because it must be allocated via `alloca'. W | |
4234 | is the window on which S is drawn. ROW and AREA are the glyph row | |
4235 | and area within the row from which S is constructed. START is the | |
4236 | index of the first glyph structure covered by S. HL is a | |
4237 | face-override for drawing S. */ | |
4238 | ||
4239 | static void | |
4240 | x_init_glyph_string (s, char2b, w, row, area, start, hl) | |
4241 | struct glyph_string *s; | |
4242 | XChar2b *char2b; | |
4243 | struct window *w; | |
4244 | struct glyph_row *row; | |
4245 | enum glyph_row_area area; | |
4246 | int start; | |
4247 | enum draw_glyphs_face hl; | |
4248 | { | |
4249 | bzero (s, sizeof *s); | |
4250 | s->w = w; | |
4251 | s->f = XFRAME (w->frame); | |
4252 | s->display = FRAME_X_DISPLAY (s->f); | |
4253 | s->window = FRAME_X_WINDOW (s->f); | |
4254 | s->char2b = char2b; | |
4255 | s->hl = hl; | |
4256 | s->row = row; | |
4257 | s->area = area; | |
4258 | s->first_glyph = row->glyphs[area] + start; | |
4259 | s->height = row->height; | |
4260 | s->y = WINDOW_TO_FRAME_PIXEL_Y (w, row->y); | |
4261 | ||
9ea173e8 GM |
4262 | /* Display the internal border below the tool-bar window. */ |
4263 | if (s->w == XWINDOW (s->f->tool_bar_window)) | |
06a2c219 GM |
4264 | s->y -= s->f->output_data.x->internal_border_width; |
4265 | ||
4266 | s->ybase = s->y + row->ascent; | |
4267 | } | |
4268 | ||
4269 | ||
4270 | /* Set background width of glyph string S. START is the index of the | |
4271 | first glyph following S. LAST_X is the right-most x-position + 1 | |
4272 | in the drawing area. */ | |
4273 | ||
4274 | static INLINE void | |
4275 | x_set_glyph_string_background_width (s, start, last_x) | |
4276 | struct glyph_string *s; | |
4277 | int start; | |
4278 | int last_x; | |
4279 | { | |
4280 | /* If the face of this glyph string has to be drawn to the end of | |
4281 | the drawing area, set S->extends_to_end_of_line_p. */ | |
4282 | struct face *default_face = FACE_FROM_ID (s->f, DEFAULT_FACE_ID); | |
4283 | ||
4284 | if (start == s->row->used[s->area] | |
4285 | && s->hl == DRAW_NORMAL_TEXT | |
4286 | && ((s->area == TEXT_AREA && s->row->fill_line_p) | |
4287 | || s->face->background != default_face->background | |
4288 | || s->face->stipple != default_face->stipple)) | |
4289 | s->extends_to_end_of_line_p = 1; | |
4290 | ||
4291 | /* If S extends its face to the end of the line, set its | |
4292 | background_width to the distance to the right edge of the drawing | |
4293 | area. */ | |
4294 | if (s->extends_to_end_of_line_p) | |
1da3fd71 | 4295 | s->background_width = last_x - s->x + 1; |
06a2c219 GM |
4296 | else |
4297 | s->background_width = s->width; | |
4298 | } | |
4299 | ||
4300 | ||
4301 | /* Add a glyph string for a stretch glyph to the list of strings | |
4302 | between HEAD and TAIL. START is the index of the stretch glyph in | |
4303 | row area AREA of glyph row ROW. END is the index of the last glyph | |
4304 | in that glyph row area. X is the current output position assigned | |
4305 | to the new glyph string constructed. HL overrides that face of the | |
4306 | glyph; e.g. it is DRAW_CURSOR if a cursor has to be drawn. LAST_X | |
4307 | is the right-most x-position of the drawing area. */ | |
4308 | ||
8abee2e1 DL |
4309 | /* SunOS 4 bundled cc, barfed on continuations in the arg lists here |
4310 | and below -- keep them on one line. */ | |
4311 | #define BUILD_STRETCH_GLYPH_STRING(W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X) \ | |
06a2c219 GM |
4312 | do \ |
4313 | { \ | |
4314 | s = (struct glyph_string *) alloca (sizeof *s); \ | |
4315 | x_init_glyph_string (s, NULL, W, ROW, AREA, START, HL); \ | |
4316 | x_fill_stretch_glyph_string (s); \ | |
4317 | x_append_glyph_string (&HEAD, &TAIL, s); \ | |
4318 | ++START; \ | |
4319 | s->x = (X); \ | |
4320 | } \ | |
4321 | while (0) | |
4322 | ||
4323 | ||
4324 | /* Add a glyph string for an image glyph to the list of strings | |
4325 | between HEAD and TAIL. START is the index of the image glyph in | |
4326 | row area AREA of glyph row ROW. END is the index of the last glyph | |
4327 | in that glyph row area. X is the current output position assigned | |
4328 | to the new glyph string constructed. HL overrides that face of the | |
4329 | glyph; e.g. it is DRAW_CURSOR if a cursor has to be drawn. LAST_X | |
4330 | is the right-most x-position of the drawing area. */ | |
4331 | ||
8abee2e1 | 4332 | #define BUILD_IMAGE_GLYPH_STRING(W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X) \ |
06a2c219 GM |
4333 | do \ |
4334 | { \ | |
4335 | s = (struct glyph_string *) alloca (sizeof *s); \ | |
4336 | x_init_glyph_string (s, NULL, W, ROW, AREA, START, HL); \ | |
4337 | x_fill_image_glyph_string (s); \ | |
4338 | x_append_glyph_string (&HEAD, &TAIL, s); \ | |
4339 | ++START; \ | |
4340 | s->x = (X); \ | |
4341 | } \ | |
4342 | while (0) | |
4343 | ||
4344 | ||
4345 | /* Add a glyph string for a sequence of character glyphs to the list | |
4346 | of strings between HEAD and TAIL. START is the index of the first | |
4347 | glyph in row area AREA of glyph row ROW that is part of the new | |
4348 | glyph string. END is the index of the last glyph in that glyph row | |
4349 | area. X is the current output position assigned to the new glyph | |
4350 | string constructed. HL overrides that face of the glyph; e.g. it | |
4351 | is DRAW_CURSOR if a cursor has to be drawn. LAST_X is the | |
4352 | right-most x-position of the drawing area. */ | |
4353 | ||
8abee2e1 | 4354 | #define BUILD_CHAR_GLYPH_STRINGS(W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X, OVERLAPS_P) \ |
06a2c219 GM |
4355 | do \ |
4356 | { \ | |
4357 | int c, charset, face_id; \ | |
4358 | XChar2b *char2b; \ | |
4359 | \ | |
43d120d8 | 4360 | c = (ROW)->glyphs[AREA][START].u.ch; \ |
43d120d8 | 4361 | face_id = (ROW)->glyphs[AREA][START].face_id; \ |
06a2c219 | 4362 | \ |
b4192550 KH |
4363 | s = (struct glyph_string *) alloca (sizeof *s); \ |
4364 | char2b = (XChar2b *) alloca ((END - START) * sizeof *char2b); \ | |
4365 | x_init_glyph_string (s, char2b, W, ROW, AREA, START, HL); \ | |
4366 | x_append_glyph_string (&HEAD, &TAIL, s); \ | |
b4192550 KH |
4367 | s->x = (X); \ |
4368 | START = x_fill_glyph_string (s, face_id, START, END, \ | |
66ac4b0e | 4369 | OVERLAPS_P); \ |
06a2c219 GM |
4370 | } \ |
4371 | while (0) | |
4372 | ||
4373 | ||
b4192550 KH |
4374 | /* Add a glyph string for a composite sequence to the list of strings |
4375 | between HEAD and TAIL. START is the index of the first glyph in | |
4376 | row area AREA of glyph row ROW that is part of the new glyph | |
4377 | string. END is the index of the last glyph in that glyph row area. | |
4378 | X is the current output position assigned to the new glyph string | |
4379 | constructed. HL overrides that face of the glyph; e.g. it is | |
4380 | DRAW_CURSOR if a cursor has to be drawn. LAST_X is the right-most | |
4381 | x-position of the drawing area. */ | |
4382 | ||
6c27ec25 | 4383 | #define BUILD_COMPOSITE_GLYPH_STRING(W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X, OVERLAPS_P) \ |
b4192550 | 4384 | do { \ |
43d120d8 KH |
4385 | int cmp_id = (ROW)->glyphs[AREA][START].u.cmp_id; \ |
4386 | int face_id = (ROW)->glyphs[AREA][START].face_id; \ | |
ee569018 | 4387 | struct face *base_face = FACE_FROM_ID (XFRAME (w->frame), face_id); \ |
b4192550 KH |
4388 | struct composition *cmp = composition_table[cmp_id]; \ |
4389 | int glyph_len = cmp->glyph_len; \ | |
4390 | XChar2b *char2b; \ | |
4391 | struct face **faces; \ | |
4392 | struct glyph_string *first_s = NULL; \ | |
4393 | int n; \ | |
4394 | \ | |
ee569018 | 4395 | base_face = base_face->ascii_face; \ |
b4192550 KH |
4396 | char2b = (XChar2b *) alloca ((sizeof *char2b) * glyph_len); \ |
4397 | faces = (struct face **) alloca ((sizeof *faces) * glyph_len); \ | |
4398 | /* At first, fill in `char2b' and `faces'. */ \ | |
4399 | for (n = 0; n < glyph_len; n++) \ | |
4400 | { \ | |
43d120d8 | 4401 | int c = COMPOSITION_GLYPH (cmp, n); \ |
ee569018 KH |
4402 | int this_face_id = FACE_FOR_CHAR (XFRAME (w->frame), base_face, c); \ |
4403 | faces[n] = FACE_FROM_ID (XFRAME (w->frame), this_face_id); \ | |
4404 | x_get_char_face_and_encoding (XFRAME (w->frame), c, \ | |
4405 | this_face_id, char2b + n, 1); \ | |
b4192550 KH |
4406 | } \ |
4407 | \ | |
4408 | /* Make glyph_strings for each glyph sequence that is drawable by \ | |
4409 | the same face, and append them to HEAD/TAIL. */ \ | |
4410 | for (n = 0; n < cmp->glyph_len;) \ | |
4411 | { \ | |
4412 | s = (struct glyph_string *) alloca (sizeof *s); \ | |
4413 | x_init_glyph_string (s, char2b + n, W, ROW, AREA, START, HL); \ | |
4414 | x_append_glyph_string (&(HEAD), &(TAIL), s); \ | |
4415 | s->cmp = cmp; \ | |
4416 | s->gidx = n; \ | |
b4192550 KH |
4417 | s->x = (X); \ |
4418 | \ | |
4419 | if (n == 0) \ | |
4420 | first_s = s; \ | |
4421 | \ | |
4422 | n = x_fill_composite_glyph_string (s, faces, OVERLAPS_P); \ | |
4423 | } \ | |
4424 | \ | |
4425 | ++START; \ | |
4426 | s = first_s; \ | |
4427 | } while (0) | |
4428 | ||
4429 | ||
06a2c219 GM |
4430 | /* Build a list of glyph strings between HEAD and TAIL for the glyphs |
4431 | of AREA of glyph row ROW on window W between indices START and END. | |
4432 | HL overrides the face for drawing glyph strings, e.g. it is | |
4433 | DRAW_CURSOR to draw a cursor. X and LAST_X are start and end | |
4434 | x-positions of the drawing area. | |
4435 | ||
4436 | This is an ugly monster macro construct because we must use alloca | |
4437 | to allocate glyph strings (because x_draw_glyphs can be called | |
4438 | asynchronously). */ | |
4439 | ||
8abee2e1 | 4440 | #define BUILD_GLYPH_STRINGS(W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X, OVERLAPS_P) \ |
06a2c219 GM |
4441 | do \ |
4442 | { \ | |
4443 | HEAD = TAIL = NULL; \ | |
4444 | while (START < END) \ | |
4445 | { \ | |
4446 | struct glyph *first_glyph = (ROW)->glyphs[AREA] + START; \ | |
4447 | switch (first_glyph->type) \ | |
4448 | { \ | |
4449 | case CHAR_GLYPH: \ | |
4450 | BUILD_CHAR_GLYPH_STRINGS (W, ROW, AREA, START, END, HEAD, \ | |
66ac4b0e GM |
4451 | TAIL, HL, X, LAST_X, \ |
4452 | OVERLAPS_P); \ | |
06a2c219 GM |
4453 | break; \ |
4454 | \ | |
b4192550 KH |
4455 | case COMPOSITE_GLYPH: \ |
4456 | BUILD_COMPOSITE_GLYPH_STRING (W, ROW, AREA, START, END, \ | |
4457 | HEAD, TAIL, HL, X, LAST_X,\ | |
4458 | OVERLAPS_P); \ | |
4459 | break; \ | |
4460 | \ | |
06a2c219 GM |
4461 | case STRETCH_GLYPH: \ |
4462 | BUILD_STRETCH_GLYPH_STRING (W, ROW, AREA, START, END, \ | |
4463 | HEAD, TAIL, HL, X, LAST_X); \ | |
4464 | break; \ | |
4465 | \ | |
4466 | case IMAGE_GLYPH: \ | |
4467 | BUILD_IMAGE_GLYPH_STRING (W, ROW, AREA, START, END, HEAD, \ | |
4468 | TAIL, HL, X, LAST_X); \ | |
4469 | break; \ | |
4470 | \ | |
4471 | default: \ | |
4472 | abort (); \ | |
4473 | } \ | |
4474 | \ | |
4475 | x_set_glyph_string_background_width (s, START, LAST_X); \ | |
4476 | (X) += s->width; \ | |
4477 | } \ | |
4478 | } \ | |
4479 | while (0) | |
4480 | ||
4481 | ||
4482 | /* Draw glyphs between START and END in AREA of ROW on window W, | |
4483 | starting at x-position X. X is relative to AREA in W. HL is a | |
4484 | face-override with the following meaning: | |
4485 | ||
4486 | DRAW_NORMAL_TEXT draw normally | |
4487 | DRAW_CURSOR draw in cursor face | |
4488 | DRAW_MOUSE_FACE draw in mouse face. | |
4489 | DRAW_INVERSE_VIDEO draw in mode line face | |
4490 | DRAW_IMAGE_SUNKEN draw an image with a sunken relief around it | |
4491 | DRAW_IMAGE_RAISED draw an image with a raised relief around it | |
4492 | ||
4493 | If REAL_START is non-null, return in *REAL_START the real starting | |
4494 | position for display. This can be different from START in case | |
4495 | overlapping glyphs must be displayed. If REAL_END is non-null, | |
4496 | return in *REAL_END the real end position for display. This can be | |
4497 | different from END in case overlapping glyphs must be displayed. | |
4498 | ||
66ac4b0e GM |
4499 | If OVERLAPS_P is non-zero, draw only the foreground of characters |
4500 | and clip to the physical height of ROW. | |
4501 | ||
06a2c219 GM |
4502 | Value is the x-position reached, relative to AREA of W. */ |
4503 | ||
4504 | static int | |
66ac4b0e GM |
4505 | x_draw_glyphs (w, x, row, area, start, end, hl, real_start, real_end, |
4506 | overlaps_p) | |
06a2c219 GM |
4507 | struct window *w; |
4508 | int x; | |
4509 | struct glyph_row *row; | |
4510 | enum glyph_row_area area; | |
4511 | int start, end; | |
4512 | enum draw_glyphs_face hl; | |
4513 | int *real_start, *real_end; | |
66ac4b0e | 4514 | int overlaps_p; |
dc6f92b8 | 4515 | { |
06a2c219 GM |
4516 | struct glyph_string *head, *tail; |
4517 | struct glyph_string *s; | |
4518 | int last_x, area_width; | |
4519 | int x_reached; | |
4520 | int i, j; | |
4521 | ||
4522 | /* Let's rather be paranoid than getting a SEGV. */ | |
4523 | start = max (0, start); | |
4524 | end = min (end, row->used[area]); | |
4525 | if (real_start) | |
4526 | *real_start = start; | |
4527 | if (real_end) | |
4528 | *real_end = end; | |
4529 | ||
4530 | /* Translate X to frame coordinates. Set last_x to the right | |
4531 | end of the drawing area. */ | |
4532 | if (row->full_width_p) | |
4533 | { | |
4534 | /* X is relative to the left edge of W, without scroll bars | |
4535 | or flag areas. */ | |
4536 | struct frame *f = XFRAME (w->frame); | |
110859fc | 4537 | /* int width = FRAME_FLAGS_AREA_WIDTH (f); */ |
06a2c219 | 4538 | int window_left_x = WINDOW_LEFT_MARGIN (w) * CANON_X_UNIT (f); |
dc6f92b8 | 4539 | |
06a2c219 GM |
4540 | x += window_left_x; |
4541 | area_width = XFASTINT (w->width) * CANON_X_UNIT (f); | |
4542 | last_x = window_left_x + area_width; | |
4543 | ||
4544 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) | |
4545 | { | |
110859fc | 4546 | int width = FRAME_SCROLL_BAR_WIDTH (f) * CANON_X_UNIT (f); |
06a2c219 GM |
4547 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)) |
4548 | last_x += width; | |
4549 | else | |
4550 | x -= width; | |
4551 | } | |
dc6f92b8 | 4552 | |
b9432a85 GM |
4553 | x += FRAME_INTERNAL_BORDER_WIDTH (f); |
4554 | last_x -= FRAME_INTERNAL_BORDER_WIDTH (f); | |
06a2c219 GM |
4555 | } |
4556 | else | |
dc6f92b8 | 4557 | { |
06a2c219 GM |
4558 | x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, area, x); |
4559 | area_width = window_box_width (w, area); | |
4560 | last_x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, area, area_width); | |
dc6f92b8 JB |
4561 | } |
4562 | ||
06a2c219 GM |
4563 | /* Build a doubly-linked list of glyph_string structures between |
4564 | head and tail from what we have to draw. Note that the macro | |
4565 | BUILD_GLYPH_STRINGS will modify its start parameter. That's | |
4566 | the reason we use a separate variable `i'. */ | |
4567 | i = start; | |
66ac4b0e GM |
4568 | BUILD_GLYPH_STRINGS (w, row, area, i, end, head, tail, hl, x, last_x, |
4569 | overlaps_p); | |
06a2c219 GM |
4570 | if (tail) |
4571 | x_reached = tail->x + tail->background_width; | |
4572 | else | |
4573 | x_reached = x; | |
90e65f07 | 4574 | |
06a2c219 GM |
4575 | /* If there are any glyphs with lbearing < 0 or rbearing > width in |
4576 | the row, redraw some glyphs in front or following the glyph | |
4577 | strings built above. */ | |
66ac4b0e | 4578 | if (!overlaps_p && row->contains_overlapping_glyphs_p) |
06a2c219 GM |
4579 | { |
4580 | int dummy_x = 0; | |
4581 | struct glyph_string *h, *t; | |
4582 | ||
4583 | /* Compute overhangs for all glyph strings. */ | |
4584 | for (s = head; s; s = s->next) | |
4585 | x_compute_glyph_string_overhangs (s); | |
4586 | ||
4587 | /* Prepend glyph strings for glyphs in front of the first glyph | |
4588 | string that are overwritten because of the first glyph | |
4589 | string's left overhang. The background of all strings | |
4590 | prepended must be drawn because the first glyph string | |
4591 | draws over it. */ | |
4592 | i = x_left_overwritten (head); | |
4593 | if (i >= 0) | |
4594 | { | |
4595 | j = i; | |
4596 | BUILD_GLYPH_STRINGS (w, row, area, j, start, h, t, | |
66ac4b0e GM |
4597 | DRAW_NORMAL_TEXT, dummy_x, last_x, |
4598 | overlaps_p); | |
06a2c219 GM |
4599 | start = i; |
4600 | if (real_start) | |
4601 | *real_start = start; | |
4602 | x_compute_overhangs_and_x (t, head->x, 1); | |
4603 | x_prepend_glyph_string_lists (&head, &tail, h, t); | |
4604 | } | |
58769bee | 4605 | |
06a2c219 GM |
4606 | /* Prepend glyph strings for glyphs in front of the first glyph |
4607 | string that overwrite that glyph string because of their | |
4608 | right overhang. For these strings, only the foreground must | |
4609 | be drawn, because it draws over the glyph string at `head'. | |
4610 | The background must not be drawn because this would overwrite | |
4611 | right overhangs of preceding glyphs for which no glyph | |
4612 | strings exist. */ | |
4613 | i = x_left_overwriting (head); | |
4614 | if (i >= 0) | |
4615 | { | |
4616 | BUILD_GLYPH_STRINGS (w, row, area, i, start, h, t, | |
66ac4b0e GM |
4617 | DRAW_NORMAL_TEXT, dummy_x, last_x, |
4618 | overlaps_p); | |
06a2c219 GM |
4619 | for (s = h; s; s = s->next) |
4620 | s->background_filled_p = 1; | |
4621 | if (real_start) | |
4622 | *real_start = i; | |
4623 | x_compute_overhangs_and_x (t, head->x, 1); | |
4624 | x_prepend_glyph_string_lists (&head, &tail, h, t); | |
4625 | } | |
dbcb258a | 4626 | |
06a2c219 GM |
4627 | /* Append glyphs strings for glyphs following the last glyph |
4628 | string tail that are overwritten by tail. The background of | |
4629 | these strings has to be drawn because tail's foreground draws | |
4630 | over it. */ | |
4631 | i = x_right_overwritten (tail); | |
4632 | if (i >= 0) | |
4633 | { | |
4634 | BUILD_GLYPH_STRINGS (w, row, area, end, i, h, t, | |
66ac4b0e GM |
4635 | DRAW_NORMAL_TEXT, x, last_x, |
4636 | overlaps_p); | |
06a2c219 GM |
4637 | x_compute_overhangs_and_x (h, tail->x + tail->width, 0); |
4638 | x_append_glyph_string_lists (&head, &tail, h, t); | |
4639 | if (real_end) | |
4640 | *real_end = i; | |
4641 | } | |
dc6f92b8 | 4642 | |
06a2c219 GM |
4643 | /* Append glyph strings for glyphs following the last glyph |
4644 | string tail that overwrite tail. The foreground of such | |
4645 | glyphs has to be drawn because it writes into the background | |
4646 | of tail. The background must not be drawn because it could | |
4647 | paint over the foreground of following glyphs. */ | |
4648 | i = x_right_overwriting (tail); | |
4649 | if (i >= 0) | |
4650 | { | |
4651 | BUILD_GLYPH_STRINGS (w, row, area, end, i, h, t, | |
66ac4b0e GM |
4652 | DRAW_NORMAL_TEXT, x, last_x, |
4653 | overlaps_p); | |
06a2c219 GM |
4654 | for (s = h; s; s = s->next) |
4655 | s->background_filled_p = 1; | |
4656 | x_compute_overhangs_and_x (h, tail->x + tail->width, 0); | |
4657 | x_append_glyph_string_lists (&head, &tail, h, t); | |
4658 | if (real_end) | |
4659 | *real_end = i; | |
4660 | } | |
4661 | } | |
58769bee | 4662 | |
06a2c219 GM |
4663 | /* Draw all strings. */ |
4664 | for (s = head; s; s = s->next) | |
4665 | x_draw_glyph_string (s); | |
dc6f92b8 | 4666 | |
06a2c219 GM |
4667 | /* Value is the x-position up to which drawn, relative to AREA of W. |
4668 | This doesn't include parts drawn because of overhangs. */ | |
4669 | x_reached = FRAME_TO_WINDOW_PIXEL_X (w, x_reached); | |
4670 | if (!row->full_width_p) | |
4671 | { | |
4672 | if (area > LEFT_MARGIN_AREA) | |
4673 | x_reached -= window_box_width (w, LEFT_MARGIN_AREA); | |
4674 | if (area > TEXT_AREA) | |
4675 | x_reached -= window_box_width (w, TEXT_AREA); | |
4676 | } | |
4677 | return x_reached; | |
4678 | } | |
dc6f92b8 | 4679 | |
dc6f92b8 | 4680 | |
66ac4b0e GM |
4681 | /* Fix the display of area AREA of overlapping row ROW in window W. */ |
4682 | ||
4683 | static void | |
4684 | x_fix_overlapping_area (w, row, area) | |
4685 | struct window *w; | |
4686 | struct glyph_row *row; | |
4687 | enum glyph_row_area area; | |
4688 | { | |
4689 | int i, x; | |
4690 | ||
4691 | BLOCK_INPUT; | |
4692 | ||
4693 | if (area == LEFT_MARGIN_AREA) | |
4694 | x = 0; | |
4695 | else if (area == TEXT_AREA) | |
4696 | x = row->x + window_box_width (w, LEFT_MARGIN_AREA); | |
4697 | else | |
4698 | x = (window_box_width (w, LEFT_MARGIN_AREA) | |
4699 | + window_box_width (w, TEXT_AREA)); | |
4700 | ||
4701 | for (i = 0; i < row->used[area];) | |
4702 | { | |
4703 | if (row->glyphs[area][i].overlaps_vertically_p) | |
4704 | { | |
4705 | int start = i, start_x = x; | |
4706 | ||
4707 | do | |
4708 | { | |
4709 | x += row->glyphs[area][i].pixel_width; | |
4710 | ++i; | |
4711 | } | |
4712 | while (i < row->used[area] | |
4713 | && row->glyphs[area][i].overlaps_vertically_p); | |
4714 | ||
4715 | x_draw_glyphs (w, start_x, row, area, start, i, | |
4716 | (row->inverse_p | |
4717 | ? DRAW_INVERSE_VIDEO : DRAW_NORMAL_TEXT), | |
4718 | NULL, NULL, 1); | |
4719 | } | |
4720 | else | |
4721 | { | |
4722 | x += row->glyphs[area][i].pixel_width; | |
4723 | ++i; | |
4724 | } | |
4725 | } | |
4726 | ||
4727 | UNBLOCK_INPUT; | |
4728 | } | |
4729 | ||
4730 | ||
06a2c219 GM |
4731 | /* Output LEN glyphs starting at START at the nominal cursor position. |
4732 | Advance the nominal cursor over the text. The global variable | |
4733 | updated_window contains the window being updated, updated_row is | |
4734 | the glyph row being updated, and updated_area is the area of that | |
4735 | row being updated. */ | |
dc6f92b8 | 4736 | |
06a2c219 GM |
4737 | static void |
4738 | x_write_glyphs (start, len) | |
4739 | struct glyph *start; | |
4740 | int len; | |
4741 | { | |
4742 | int x, hpos, real_start, real_end; | |
d9cdbb3d | 4743 | |
06a2c219 | 4744 | xassert (updated_window && updated_row); |
dc6f92b8 | 4745 | BLOCK_INPUT; |
06a2c219 GM |
4746 | |
4747 | /* Write glyphs. */ | |
dc6f92b8 | 4748 | |
06a2c219 GM |
4749 | hpos = start - updated_row->glyphs[updated_area]; |
4750 | x = x_draw_glyphs (updated_window, output_cursor.x, | |
4751 | updated_row, updated_area, | |
4752 | hpos, hpos + len, | |
4753 | (updated_row->inverse_p | |
4754 | ? DRAW_INVERSE_VIDEO : DRAW_NORMAL_TEXT), | |
66ac4b0e | 4755 | &real_start, &real_end, 0); |
b30ec466 | 4756 | |
06a2c219 GM |
4757 | /* If we drew over the cursor, note that it is not visible any more. */ |
4758 | note_overwritten_text_cursor (updated_window, real_start, | |
4759 | real_end - real_start); | |
dc6f92b8 JB |
4760 | |
4761 | UNBLOCK_INPUT; | |
06a2c219 GM |
4762 | |
4763 | /* Advance the output cursor. */ | |
4764 | output_cursor.hpos += len; | |
4765 | output_cursor.x = x; | |
dc6f92b8 JB |
4766 | } |
4767 | ||
0cdd0c9f | 4768 | |
06a2c219 | 4769 | /* Insert LEN glyphs from START at the nominal cursor position. */ |
0cdd0c9f | 4770 | |
06a2c219 GM |
4771 | static void |
4772 | x_insert_glyphs (start, len) | |
4773 | struct glyph *start; | |
4774 | register int len; | |
4775 | { | |
4776 | struct frame *f; | |
4777 | struct window *w; | |
4778 | int line_height, shift_by_width, shifted_region_width; | |
4779 | struct glyph_row *row; | |
4780 | struct glyph *glyph; | |
4781 | int frame_x, frame_y, hpos, real_start, real_end; | |
58769bee | 4782 | |
06a2c219 | 4783 | xassert (updated_window && updated_row); |
0cdd0c9f | 4784 | BLOCK_INPUT; |
06a2c219 GM |
4785 | w = updated_window; |
4786 | f = XFRAME (WINDOW_FRAME (w)); | |
4787 | ||
4788 | /* Get the height of the line we are in. */ | |
4789 | row = updated_row; | |
4790 | line_height = row->height; | |
4791 | ||
4792 | /* Get the width of the glyphs to insert. */ | |
4793 | shift_by_width = 0; | |
4794 | for (glyph = start; glyph < start + len; ++glyph) | |
4795 | shift_by_width += glyph->pixel_width; | |
4796 | ||
4797 | /* Get the width of the region to shift right. */ | |
4798 | shifted_region_width = (window_box_width (w, updated_area) | |
4799 | - output_cursor.x | |
4800 | - shift_by_width); | |
4801 | ||
4802 | /* Shift right. */ | |
4803 | frame_x = WINDOW_TO_FRAME_PIXEL_X (w, output_cursor.x); | |
4804 | frame_y = WINDOW_TO_FRAME_PIXEL_Y (w, output_cursor.y); | |
4805 | XCopyArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), FRAME_X_WINDOW (f), | |
4806 | f->output_data.x->normal_gc, | |
4807 | frame_x, frame_y, | |
4808 | shifted_region_width, line_height, | |
4809 | frame_x + shift_by_width, frame_y); | |
4810 | ||
4811 | /* Write the glyphs. */ | |
4812 | hpos = start - row->glyphs[updated_area]; | |
4813 | x_draw_glyphs (w, output_cursor.x, row, updated_area, hpos, hpos + len, | |
66ac4b0e | 4814 | DRAW_NORMAL_TEXT, &real_start, &real_end, 0); |
06a2c219 GM |
4815 | note_overwritten_text_cursor (w, real_start, real_end - real_start); |
4816 | ||
4817 | /* Advance the output cursor. */ | |
4818 | output_cursor.hpos += len; | |
4819 | output_cursor.x += shift_by_width; | |
0cdd0c9f RS |
4820 | UNBLOCK_INPUT; |
4821 | } | |
0cdd0c9f | 4822 | |
0cdd0c9f | 4823 | |
06a2c219 GM |
4824 | /* Delete N glyphs at the nominal cursor position. Not implemented |
4825 | for X frames. */ | |
c83febd7 RS |
4826 | |
4827 | static void | |
06a2c219 GM |
4828 | x_delete_glyphs (n) |
4829 | register int n; | |
c83febd7 | 4830 | { |
06a2c219 | 4831 | abort (); |
c83febd7 RS |
4832 | } |
4833 | ||
0cdd0c9f | 4834 | |
06a2c219 GM |
4835 | /* Erase the current text line from the nominal cursor position |
4836 | (inclusive) to pixel column TO_X (exclusive). The idea is that | |
4837 | everything from TO_X onward is already erased. | |
4838 | ||
4839 | TO_X is a pixel position relative to updated_area of | |
4840 | updated_window. TO_X == -1 means clear to the end of this area. */ | |
dc6f92b8 | 4841 | |
06a2c219 GM |
4842 | static void |
4843 | x_clear_end_of_line (to_x) | |
4844 | int to_x; | |
4845 | { | |
4846 | struct frame *f; | |
4847 | struct window *w = updated_window; | |
4848 | int max_x, min_y, max_y; | |
4849 | int from_x, from_y, to_y; | |
4850 | ||
4851 | xassert (updated_window && updated_row); | |
4852 | f = XFRAME (w->frame); | |
4853 | ||
4854 | if (updated_row->full_width_p) | |
4855 | { | |
4856 | max_x = XFASTINT (w->width) * CANON_X_UNIT (f); | |
4857 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
4858 | && !w->pseudo_window_p) | |
4859 | max_x += FRAME_SCROLL_BAR_WIDTH (f) * CANON_X_UNIT (f); | |
0cdd0c9f | 4860 | } |
06a2c219 GM |
4861 | else |
4862 | max_x = window_box_width (w, updated_area); | |
4863 | max_y = window_text_bottom_y (w); | |
dc6f92b8 | 4864 | |
06a2c219 GM |
4865 | /* TO_X == 0 means don't do anything. TO_X < 0 means clear to end |
4866 | of window. For TO_X > 0, truncate to end of drawing area. */ | |
4867 | if (to_x == 0) | |
4868 | return; | |
4869 | else if (to_x < 0) | |
4870 | to_x = max_x; | |
4871 | else | |
4872 | to_x = min (to_x, max_x); | |
dbc4e1c1 | 4873 | |
06a2c219 GM |
4874 | to_y = min (max_y, output_cursor.y + updated_row->height); |
4875 | ||
4876 | /* Notice if the cursor will be cleared by this operation. */ | |
4877 | if (!updated_row->full_width_p) | |
4878 | note_overwritten_text_cursor (w, output_cursor.hpos, -1); | |
dbc4e1c1 | 4879 | |
06a2c219 GM |
4880 | from_x = output_cursor.x; |
4881 | ||
4882 | /* Translate to frame coordinates. */ | |
4883 | if (updated_row->full_width_p) | |
4884 | { | |
4885 | from_x = WINDOW_TO_FRAME_PIXEL_X (w, from_x); | |
4886 | to_x = WINDOW_TO_FRAME_PIXEL_X (w, to_x); | |
4887 | } | |
0cdd0c9f RS |
4888 | else |
4889 | { | |
06a2c219 GM |
4890 | from_x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, updated_area, from_x); |
4891 | to_x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, updated_area, to_x); | |
4892 | } | |
4893 | ||
045dee35 | 4894 | min_y = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w); |
06a2c219 GM |
4895 | from_y = WINDOW_TO_FRAME_PIXEL_Y (w, max (min_y, output_cursor.y)); |
4896 | to_y = WINDOW_TO_FRAME_PIXEL_Y (w, to_y); | |
4897 | ||
4898 | /* Prevent inadvertently clearing to end of the X window. */ | |
4899 | if (to_x > from_x && to_y > from_y) | |
4900 | { | |
4901 | BLOCK_INPUT; | |
4902 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
4903 | from_x, from_y, to_x - from_x, to_y - from_y, | |
4904 | False); | |
4905 | UNBLOCK_INPUT; | |
0cdd0c9f | 4906 | } |
0cdd0c9f | 4907 | } |
dbc4e1c1 | 4908 | |
0cdd0c9f | 4909 | |
06a2c219 | 4910 | /* Clear entire frame. If updating_frame is non-null, clear that |
b86bd3dd | 4911 | frame. Otherwise clear the selected frame. */ |
06a2c219 GM |
4912 | |
4913 | static void | |
4914 | x_clear_frame () | |
0cdd0c9f | 4915 | { |
06a2c219 | 4916 | struct frame *f; |
0cdd0c9f | 4917 | |
06a2c219 GM |
4918 | if (updating_frame) |
4919 | f = updating_frame; | |
0cdd0c9f | 4920 | else |
b86bd3dd | 4921 | f = SELECTED_FRAME (); |
58769bee | 4922 | |
06a2c219 GM |
4923 | /* Clearing the frame will erase any cursor, so mark them all as no |
4924 | longer visible. */ | |
4925 | mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f))); | |
4926 | output_cursor.hpos = output_cursor.vpos = 0; | |
4927 | output_cursor.x = -1; | |
4928 | ||
4929 | /* We don't set the output cursor here because there will always | |
4930 | follow an explicit cursor_to. */ | |
4931 | BLOCK_INPUT; | |
4932 | XClearWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); | |
4933 | ||
4934 | /* We have to clear the scroll bars, too. If we have changed | |
4935 | colors or something like that, then they should be notified. */ | |
4936 | x_scroll_bar_clear (f); | |
0cdd0c9f | 4937 | |
06a2c219 GM |
4938 | XFlush (FRAME_X_DISPLAY (f)); |
4939 | UNBLOCK_INPUT; | |
dc6f92b8 | 4940 | } |
06a2c219 GM |
4941 | |
4942 | ||
dc6f92b8 | 4943 | \f |
dbc4e1c1 JB |
4944 | /* Invert the middle quarter of the frame for .15 sec. */ |
4945 | ||
06a2c219 GM |
4946 | /* We use the select system call to do the waiting, so we have to make |
4947 | sure it's available. If it isn't, we just won't do visual bells. */ | |
4948 | ||
dbc4e1c1 JB |
4949 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
4950 | ||
06a2c219 GM |
4951 | |
4952 | /* Subtract the `struct timeval' values X and Y, storing the result in | |
4953 | *RESULT. Return 1 if the difference is negative, otherwise 0. */ | |
dbc4e1c1 JB |
4954 | |
4955 | static int | |
4956 | timeval_subtract (result, x, y) | |
4957 | struct timeval *result, x, y; | |
4958 | { | |
06a2c219 GM |
4959 | /* Perform the carry for the later subtraction by updating y. This |
4960 | is safer because on some systems the tv_sec member is unsigned. */ | |
dbc4e1c1 JB |
4961 | if (x.tv_usec < y.tv_usec) |
4962 | { | |
4963 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
4964 | y.tv_usec -= 1000000 * nsec; | |
4965 | y.tv_sec += nsec; | |
4966 | } | |
06a2c219 | 4967 | |
dbc4e1c1 JB |
4968 | if (x.tv_usec - y.tv_usec > 1000000) |
4969 | { | |
4970 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
4971 | y.tv_usec += 1000000 * nsec; | |
4972 | y.tv_sec -= nsec; | |
4973 | } | |
4974 | ||
06a2c219 GM |
4975 | /* Compute the time remaining to wait. tv_usec is certainly |
4976 | positive. */ | |
dbc4e1c1 JB |
4977 | result->tv_sec = x.tv_sec - y.tv_sec; |
4978 | result->tv_usec = x.tv_usec - y.tv_usec; | |
4979 | ||
06a2c219 GM |
4980 | /* Return indication of whether the result should be considered |
4981 | negative. */ | |
dbc4e1c1 JB |
4982 | return x.tv_sec < y.tv_sec; |
4983 | } | |
dc6f92b8 | 4984 | |
dfcf069d | 4985 | void |
f676886a JB |
4986 | XTflash (f) |
4987 | struct frame *f; | |
dc6f92b8 | 4988 | { |
dbc4e1c1 | 4989 | BLOCK_INPUT; |
dc6f92b8 | 4990 | |
dbc4e1c1 JB |
4991 | { |
4992 | GC gc; | |
dc6f92b8 | 4993 | |
06a2c219 GM |
4994 | /* Create a GC that will use the GXxor function to flip foreground |
4995 | pixels into background pixels. */ | |
dbc4e1c1 JB |
4996 | { |
4997 | XGCValues values; | |
dc6f92b8 | 4998 | |
dbc4e1c1 | 4999 | values.function = GXxor; |
7556890b RS |
5000 | values.foreground = (f->output_data.x->foreground_pixel |
5001 | ^ f->output_data.x->background_pixel); | |
58769bee | 5002 | |
334208b7 | 5003 | gc = XCreateGC (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dbc4e1c1 JB |
5004 | GCFunction | GCForeground, &values); |
5005 | } | |
dc6f92b8 | 5006 | |
dbc4e1c1 | 5007 | { |
e84e14c3 RS |
5008 | /* Get the height not including a menu bar widget. */ |
5009 | int height = CHAR_TO_PIXEL_HEIGHT (f, FRAME_HEIGHT (f)); | |
5010 | /* Height of each line to flash. */ | |
5011 | int flash_height = FRAME_LINE_HEIGHT (f); | |
5012 | /* These will be the left and right margins of the rectangles. */ | |
5013 | int flash_left = FRAME_INTERNAL_BORDER_WIDTH (f); | |
5014 | int flash_right = PIXEL_WIDTH (f) - FRAME_INTERNAL_BORDER_WIDTH (f); | |
5015 | ||
5016 | int width; | |
5017 | ||
5018 | /* Don't flash the area between a scroll bar and the frame | |
5019 | edge it is next to. */ | |
5020 | switch (FRAME_VERTICAL_SCROLL_BAR_TYPE (f)) | |
5021 | { | |
5022 | case vertical_scroll_bar_left: | |
5023 | flash_left += VERTICAL_SCROLL_BAR_WIDTH_TRIM; | |
5024 | break; | |
5025 | ||
5026 | case vertical_scroll_bar_right: | |
5027 | flash_right -= VERTICAL_SCROLL_BAR_WIDTH_TRIM; | |
5028 | break; | |
06a2c219 GM |
5029 | |
5030 | default: | |
5031 | break; | |
e84e14c3 RS |
5032 | } |
5033 | ||
5034 | width = flash_right - flash_left; | |
5035 | ||
5036 | /* If window is tall, flash top and bottom line. */ | |
5037 | if (height > 3 * FRAME_LINE_HEIGHT (f)) | |
5038 | { | |
5039 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, | |
06a2c219 GM |
5040 | flash_left, |
5041 | (FRAME_INTERNAL_BORDER_WIDTH (f) | |
9ea173e8 | 5042 | + FRAME_TOOL_BAR_LINES (f) * CANON_Y_UNIT (f)), |
e84e14c3 RS |
5043 | width, flash_height); |
5044 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, | |
5045 | flash_left, | |
5046 | (height - flash_height | |
5047 | - FRAME_INTERNAL_BORDER_WIDTH (f)), | |
5048 | width, flash_height); | |
5049 | } | |
5050 | else | |
5051 | /* If it is short, flash it all. */ | |
5052 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, | |
5053 | flash_left, FRAME_INTERNAL_BORDER_WIDTH (f), | |
5054 | width, height - 2 * FRAME_INTERNAL_BORDER_WIDTH (f)); | |
dc6f92b8 | 5055 | |
06a2c219 | 5056 | x_flush (f); |
dc6f92b8 | 5057 | |
dbc4e1c1 | 5058 | { |
06a2c219 | 5059 | struct timeval wakeup; |
dc6f92b8 | 5060 | |
66c30ea1 | 5061 | EMACS_GET_TIME (wakeup); |
dc6f92b8 | 5062 | |
dbc4e1c1 JB |
5063 | /* Compute time to wait until, propagating carry from usecs. */ |
5064 | wakeup.tv_usec += 150000; | |
5065 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
5066 | wakeup.tv_usec %= 1000000; | |
5067 | ||
5068 | /* Keep waiting until past the time wakeup. */ | |
5069 | while (1) | |
5070 | { | |
5071 | struct timeval timeout; | |
5072 | ||
66c30ea1 | 5073 | EMACS_GET_TIME (timeout); |
dbc4e1c1 JB |
5074 | |
5075 | /* In effect, timeout = wakeup - timeout. | |
5076 | Break if result would be negative. */ | |
5077 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
5078 | break; | |
5079 | ||
5080 | /* Try to wait that long--but we might wake up sooner. */ | |
c32cdd9a | 5081 | select (0, NULL, NULL, NULL, &timeout); |
dbc4e1c1 JB |
5082 | } |
5083 | } | |
58769bee | 5084 | |
e84e14c3 RS |
5085 | /* If window is tall, flash top and bottom line. */ |
5086 | if (height > 3 * FRAME_LINE_HEIGHT (f)) | |
5087 | { | |
5088 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, | |
06a2c219 GM |
5089 | flash_left, |
5090 | (FRAME_INTERNAL_BORDER_WIDTH (f) | |
9ea173e8 | 5091 | + FRAME_TOOL_BAR_LINES (f) * CANON_Y_UNIT (f)), |
e84e14c3 RS |
5092 | width, flash_height); |
5093 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, | |
5094 | flash_left, | |
5095 | (height - flash_height | |
5096 | - FRAME_INTERNAL_BORDER_WIDTH (f)), | |
5097 | width, flash_height); | |
5098 | } | |
5099 | else | |
5100 | /* If it is short, flash it all. */ | |
5101 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, | |
5102 | flash_left, FRAME_INTERNAL_BORDER_WIDTH (f), | |
5103 | width, height - 2 * FRAME_INTERNAL_BORDER_WIDTH (f)); | |
5104 | ||
334208b7 | 5105 | XFreeGC (FRAME_X_DISPLAY (f), gc); |
06a2c219 | 5106 | x_flush (f); |
dc6f92b8 | 5107 | } |
dbc4e1c1 JB |
5108 | } |
5109 | ||
5110 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
5111 | } |
5112 | ||
06a2c219 | 5113 | #endif /* defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) */ |
dbc4e1c1 JB |
5114 | |
5115 | ||
dc6f92b8 JB |
5116 | /* Make audible bell. */ |
5117 | ||
dfcf069d | 5118 | void |
dc6f92b8 JB |
5119 | XTring_bell () |
5120 | { | |
b86bd3dd GM |
5121 | struct frame *f = SELECTED_FRAME (); |
5122 | ||
5123 | if (FRAME_X_DISPLAY (f)) | |
5124 | { | |
dbc4e1c1 | 5125 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
b86bd3dd GM |
5126 | if (visible_bell) |
5127 | XTflash (f); | |
5128 | else | |
dbc4e1c1 | 5129 | #endif |
b86bd3dd GM |
5130 | { |
5131 | BLOCK_INPUT; | |
5132 | XBell (FRAME_X_DISPLAY (f), 0); | |
5133 | XFlush (FRAME_X_DISPLAY (f)); | |
5134 | UNBLOCK_INPUT; | |
5135 | } | |
dc6f92b8 JB |
5136 | } |
5137 | } | |
06a2c219 | 5138 | |
dc6f92b8 | 5139 | \f |
06a2c219 GM |
5140 | /* Specify how many text lines, from the top of the window, |
5141 | should be affected by insert-lines and delete-lines operations. | |
5142 | This, and those operations, are used only within an update | |
5143 | that is bounded by calls to x_update_begin and x_update_end. */ | |
dc6f92b8 | 5144 | |
dfcf069d | 5145 | static void |
06a2c219 GM |
5146 | XTset_terminal_window (n) |
5147 | register int n; | |
dc6f92b8 | 5148 | { |
06a2c219 | 5149 | /* This function intentionally left blank. */ |
dc6f92b8 JB |
5150 | } |
5151 | ||
06a2c219 GM |
5152 | |
5153 | \f | |
5154 | /*********************************************************************** | |
5155 | Line Dance | |
5156 | ***********************************************************************/ | |
5157 | ||
5158 | /* Perform an insert-lines or delete-lines operation, inserting N | |
5159 | lines or deleting -N lines at vertical position VPOS. */ | |
5160 | ||
dfcf069d | 5161 | static void |
06a2c219 GM |
5162 | x_ins_del_lines (vpos, n) |
5163 | int vpos, n; | |
dc6f92b8 JB |
5164 | { |
5165 | abort (); | |
5166 | } | |
06a2c219 GM |
5167 | |
5168 | ||
5169 | /* Scroll part of the display as described by RUN. */ | |
dc6f92b8 | 5170 | |
dfcf069d | 5171 | static void |
06a2c219 GM |
5172 | x_scroll_run (w, run) |
5173 | struct window *w; | |
5174 | struct run *run; | |
dc6f92b8 | 5175 | { |
06a2c219 GM |
5176 | struct frame *f = XFRAME (w->frame); |
5177 | int x, y, width, height, from_y, to_y, bottom_y; | |
5178 | ||
5179 | /* Get frame-relative bounding box of the text display area of W, | |
5180 | without mode lines. Include in this box the flags areas to the | |
5181 | left and right of W. */ | |
5182 | window_box (w, -1, &x, &y, &width, &height); | |
110859fc GM |
5183 | width += FRAME_X_FLAGS_AREA_WIDTH (f); |
5184 | x -= FRAME_X_LEFT_FLAGS_AREA_WIDTH (f); | |
06a2c219 GM |
5185 | |
5186 | from_y = WINDOW_TO_FRAME_PIXEL_Y (w, run->current_y); | |
5187 | to_y = WINDOW_TO_FRAME_PIXEL_Y (w, run->desired_y); | |
5188 | bottom_y = y + height; | |
dc6f92b8 | 5189 | |
06a2c219 GM |
5190 | if (to_y < from_y) |
5191 | { | |
5192 | /* Scrolling up. Make sure we don't copy part of the mode | |
5193 | line at the bottom. */ | |
5194 | if (from_y + run->height > bottom_y) | |
5195 | height = bottom_y - from_y; | |
5196 | else | |
5197 | height = run->height; | |
5198 | } | |
dc6f92b8 | 5199 | else |
06a2c219 GM |
5200 | { |
5201 | /* Scolling down. Make sure we don't copy over the mode line. | |
5202 | at the bottom. */ | |
5203 | if (to_y + run->height > bottom_y) | |
5204 | height = bottom_y - to_y; | |
5205 | else | |
5206 | height = run->height; | |
5207 | } | |
7a13e894 | 5208 | |
06a2c219 GM |
5209 | BLOCK_INPUT; |
5210 | ||
5211 | /* Cursor off. Will be switched on again in x_update_window_end. */ | |
5212 | updated_window = w; | |
5213 | x_clear_cursor (w); | |
5214 | ||
5215 | XCopyArea (FRAME_X_DISPLAY (f), | |
5216 | FRAME_X_WINDOW (f), FRAME_X_WINDOW (f), | |
5217 | f->output_data.x->normal_gc, | |
5218 | x, from_y, | |
5219 | width, height, | |
5220 | x, to_y); | |
5221 | ||
5222 | UNBLOCK_INPUT; | |
5223 | } | |
dc6f92b8 | 5224 | |
dc6f92b8 | 5225 | |
06a2c219 GM |
5226 | \f |
5227 | /*********************************************************************** | |
5228 | Exposure Events | |
5229 | ***********************************************************************/ | |
5230 | ||
5231 | /* Redisplay an exposed area of frame F. X and Y are the upper-left | |
5232 | corner of the exposed rectangle. W and H are width and height of | |
5233 | the exposed area. All are pixel values. W or H zero means redraw | |
5234 | the entire frame. */ | |
dc6f92b8 | 5235 | |
06a2c219 GM |
5236 | static void |
5237 | expose_frame (f, x, y, w, h) | |
5238 | struct frame *f; | |
5239 | int x, y, w, h; | |
dc6f92b8 | 5240 | { |
06a2c219 | 5241 | XRectangle r; |
dc6f92b8 | 5242 | |
06a2c219 | 5243 | TRACE ((stderr, "expose_frame ")); |
dc6f92b8 | 5244 | |
06a2c219 GM |
5245 | /* No need to redraw if frame will be redrawn soon. */ |
5246 | if (FRAME_GARBAGED_P (f)) | |
dc6f92b8 | 5247 | { |
06a2c219 GM |
5248 | TRACE ((stderr, " garbaged\n")); |
5249 | return; | |
5250 | } | |
5251 | ||
5252 | /* If basic faces haven't been realized yet, there is no point in | |
5253 | trying to redraw anything. This can happen when we get an expose | |
5254 | event while Emacs is starting, e.g. by moving another window. */ | |
5255 | if (FRAME_FACE_CACHE (f) == NULL | |
5256 | || FRAME_FACE_CACHE (f)->used < BASIC_FACE_ID_SENTINEL) | |
5257 | { | |
5258 | TRACE ((stderr, " no faces\n")); | |
5259 | return; | |
58769bee | 5260 | } |
06a2c219 GM |
5261 | |
5262 | if (w == 0 || h == 0) | |
58769bee | 5263 | { |
06a2c219 GM |
5264 | r.x = r.y = 0; |
5265 | r.width = CANON_X_UNIT (f) * f->width; | |
5266 | r.height = CANON_Y_UNIT (f) * f->height; | |
dc6f92b8 JB |
5267 | } |
5268 | else | |
5269 | { | |
06a2c219 GM |
5270 | r.x = x; |
5271 | r.y = y; | |
5272 | r.width = w; | |
5273 | r.height = h; | |
5274 | } | |
5275 | ||
5276 | TRACE ((stderr, "(%d, %d, %d, %d)\n", r.x, r.y, r.width, r.height)); | |
5277 | expose_window_tree (XWINDOW (f->root_window), &r); | |
5278 | ||
9ea173e8 | 5279 | if (WINDOWP (f->tool_bar_window)) |
06a2c219 | 5280 | { |
9ea173e8 | 5281 | struct window *w = XWINDOW (f->tool_bar_window); |
06a2c219 GM |
5282 | XRectangle window_rect; |
5283 | XRectangle intersection_rect; | |
5284 | int window_x, window_y, window_width, window_height; | |
5285 | ||
5286 | ||
5287 | window_box (w, -1, &window_x, &window_y, &window_width, &window_height); | |
5288 | window_rect.x = window_x; | |
5289 | window_rect.y = window_y; | |
5290 | window_rect.width = window_width; | |
5291 | window_rect.height = window_height; | |
5292 | ||
5293 | if (x_intersect_rectangles (&r, &window_rect, &intersection_rect)) | |
5294 | expose_window (w, &intersection_rect); | |
5295 | } | |
5296 | ||
5297 | #ifndef USE_X_TOOLKIT | |
5298 | if (WINDOWP (f->menu_bar_window)) | |
5299 | { | |
5300 | struct window *w = XWINDOW (f->menu_bar_window); | |
5301 | XRectangle window_rect; | |
5302 | XRectangle intersection_rect; | |
5303 | int window_x, window_y, window_width, window_height; | |
5304 | ||
5305 | ||
5306 | window_box (w, -1, &window_x, &window_y, &window_width, &window_height); | |
5307 | window_rect.x = window_x; | |
5308 | window_rect.y = window_y; | |
5309 | window_rect.width = window_width; | |
5310 | window_rect.height = window_height; | |
5311 | ||
5312 | if (x_intersect_rectangles (&r, &window_rect, &intersection_rect)) | |
5313 | expose_window (w, &intersection_rect); | |
dc6f92b8 | 5314 | } |
06a2c219 | 5315 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5316 | } |
5317 | ||
06a2c219 GM |
5318 | |
5319 | /* Redraw (parts) of all windows in the window tree rooted at W that | |
5320 | intersect R. R contains frame pixel coordinates. */ | |
5321 | ||
58769bee | 5322 | static void |
06a2c219 GM |
5323 | expose_window_tree (w, r) |
5324 | struct window *w; | |
5325 | XRectangle *r; | |
dc6f92b8 | 5326 | { |
06a2c219 GM |
5327 | while (w) |
5328 | { | |
5329 | if (!NILP (w->hchild)) | |
5330 | expose_window_tree (XWINDOW (w->hchild), r); | |
5331 | else if (!NILP (w->vchild)) | |
5332 | expose_window_tree (XWINDOW (w->vchild), r); | |
5333 | else | |
5334 | { | |
5335 | XRectangle window_rect; | |
5336 | XRectangle intersection_rect; | |
5337 | struct frame *f = XFRAME (w->frame); | |
5338 | int window_x, window_y, window_width, window_height; | |
5339 | ||
5340 | /* Frame-relative pixel rectangle of W. */ | |
5341 | window_box (w, -1, &window_x, &window_y, &window_width, | |
5342 | &window_height); | |
5343 | window_rect.x | |
5344 | = (window_x | |
110859fc | 5345 | - FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) |
714dc26c | 5346 | - FRAME_LEFT_SCROLL_BAR_WIDTH (f) * CANON_X_UNIT (f)); |
06a2c219 GM |
5347 | window_rect.y = window_y; |
5348 | window_rect.width | |
5349 | = (window_width | |
110859fc | 5350 | + FRAME_X_FLAGS_AREA_WIDTH (f) |
06a2c219 GM |
5351 | + FRAME_SCROLL_BAR_WIDTH (f) * CANON_X_UNIT (f)); |
5352 | window_rect.height | |
5353 | = window_height + CURRENT_MODE_LINE_HEIGHT (w); | |
5354 | ||
5355 | if (x_intersect_rectangles (r, &window_rect, &intersection_rect)) | |
5356 | expose_window (w, &intersection_rect); | |
5357 | } | |
58769bee | 5358 | |
06a2c219 GM |
5359 | w = NILP (w->next) ? 0 : XWINDOW (w->next); |
5360 | } | |
5361 | } | |
58769bee | 5362 | |
dc6f92b8 | 5363 | |
06a2c219 GM |
5364 | /* Redraw the part of glyph row area AREA of glyph row ROW on window W |
5365 | which intersects rectangle R. R is in window-relative coordinates. */ | |
5366 | ||
5367 | static void | |
5368 | expose_area (w, row, r, area) | |
5369 | struct window *w; | |
5370 | struct glyph_row *row; | |
5371 | XRectangle *r; | |
5372 | enum glyph_row_area area; | |
5373 | { | |
5374 | int x; | |
5375 | struct glyph *first = row->glyphs[area]; | |
5376 | struct glyph *end = row->glyphs[area] + row->used[area]; | |
5377 | struct glyph *last; | |
5378 | int first_x; | |
5379 | ||
5380 | /* Set x to the window-relative start position for drawing glyphs of | |
5381 | AREA. The first glyph of the text area can be partially visible. | |
5382 | The first glyphs of other areas cannot. */ | |
5383 | if (area == LEFT_MARGIN_AREA) | |
5384 | x = 0; | |
5385 | else if (area == TEXT_AREA) | |
5386 | x = row->x + window_box_width (w, LEFT_MARGIN_AREA); | |
5387 | else | |
5388 | x = (window_box_width (w, LEFT_MARGIN_AREA) | |
5389 | + window_box_width (w, TEXT_AREA)); | |
5390 | ||
6fb13182 GM |
5391 | if (area == TEXT_AREA && row->fill_line_p) |
5392 | /* If row extends face to end of line write the whole line. */ | |
5393 | x_draw_glyphs (w, x, row, area, | |
5394 | 0, row->used[area], | |
06a2c219 | 5395 | row->inverse_p ? DRAW_INVERSE_VIDEO : DRAW_NORMAL_TEXT, |
66ac4b0e | 5396 | NULL, NULL, 0); |
6fb13182 GM |
5397 | else |
5398 | { | |
5399 | /* Find the first glyph that must be redrawn. */ | |
5400 | while (first < end | |
5401 | && x + first->pixel_width < r->x) | |
5402 | { | |
5403 | x += first->pixel_width; | |
5404 | ++first; | |
5405 | } | |
5406 | ||
5407 | /* Find the last one. */ | |
5408 | last = first; | |
5409 | first_x = x; | |
5410 | while (last < end | |
5411 | && x < r->x + r->width) | |
5412 | { | |
5413 | x += last->pixel_width; | |
5414 | ++last; | |
5415 | } | |
5416 | ||
5417 | /* Repaint. */ | |
5418 | if (last > first) | |
5419 | x_draw_glyphs (w, first_x, row, area, | |
5420 | first - row->glyphs[area], | |
5421 | last - row->glyphs[area], | |
5422 | row->inverse_p ? DRAW_INVERSE_VIDEO : DRAW_NORMAL_TEXT, | |
5423 | NULL, NULL, 0); | |
5424 | } | |
06a2c219 GM |
5425 | } |
5426 | ||
58769bee | 5427 | |
06a2c219 GM |
5428 | /* Redraw the parts of the glyph row ROW on window W intersecting |
5429 | rectangle R. R is in window-relative coordinates. */ | |
dc6f92b8 | 5430 | |
06a2c219 GM |
5431 | static void |
5432 | expose_line (w, row, r) | |
5433 | struct window *w; | |
5434 | struct glyph_row *row; | |
5435 | XRectangle *r; | |
5436 | { | |
5437 | xassert (row->enabled_p); | |
5438 | ||
5439 | if (row->mode_line_p || w->pseudo_window_p) | |
5440 | x_draw_glyphs (w, 0, row, TEXT_AREA, 0, row->used[TEXT_AREA], | |
5441 | row->inverse_p ? DRAW_INVERSE_VIDEO : DRAW_NORMAL_TEXT, | |
66ac4b0e | 5442 | NULL, NULL, 0); |
06a2c219 GM |
5443 | else |
5444 | { | |
5445 | if (row->used[LEFT_MARGIN_AREA]) | |
5446 | expose_area (w, row, r, LEFT_MARGIN_AREA); | |
5447 | if (row->used[TEXT_AREA]) | |
5448 | expose_area (w, row, r, TEXT_AREA); | |
5449 | if (row->used[RIGHT_MARGIN_AREA]) | |
5450 | expose_area (w, row, r, RIGHT_MARGIN_AREA); | |
5451 | x_draw_row_bitmaps (w, row); | |
5452 | } | |
5453 | } | |
dc6f92b8 | 5454 | |
58769bee | 5455 | |
06a2c219 GM |
5456 | /* Return non-zero if W's cursor intersects rectangle R. */ |
5457 | ||
5458 | static int | |
5459 | x_phys_cursor_in_rect_p (w, r) | |
5460 | struct window *w; | |
5461 | XRectangle *r; | |
5462 | { | |
5463 | XRectangle cr, result; | |
5464 | struct glyph *cursor_glyph; | |
5465 | ||
5466 | cursor_glyph = get_phys_cursor_glyph (w); | |
5467 | if (cursor_glyph) | |
5468 | { | |
5469 | cr.x = w->phys_cursor.x; | |
5470 | cr.y = w->phys_cursor.y; | |
5471 | cr.width = cursor_glyph->pixel_width; | |
5472 | cr.height = w->phys_cursor_height; | |
5473 | return x_intersect_rectangles (&cr, r, &result); | |
5474 | } | |
5475 | else | |
5476 | return 0; | |
dc6f92b8 | 5477 | } |
dc6f92b8 | 5478 | |
06a2c219 GM |
5479 | |
5480 | /* Redraw a rectangle of window W. R is a rectangle in window | |
5481 | relative coordinates. Call this function with input blocked. */ | |
dc6f92b8 JB |
5482 | |
5483 | static void | |
06a2c219 GM |
5484 | expose_window (w, r) |
5485 | struct window *w; | |
5486 | XRectangle *r; | |
dc6f92b8 | 5487 | { |
06a2c219 GM |
5488 | struct glyph_row *row; |
5489 | int y; | |
5490 | int yb = window_text_bottom_y (w); | |
5491 | int cursor_cleared_p; | |
dc6f92b8 | 5492 | |
80c32bcc GM |
5493 | /* If window is not yet fully initialized, do nothing. This can |
5494 | happen when toolkit scroll bars are used and a window is split. | |
5495 | Reconfiguring the scroll bar will generate an expose for a newly | |
5496 | created window. */ | |
5497 | if (w->current_matrix == NULL) | |
5498 | return; | |
5499 | ||
06a2c219 GM |
5500 | TRACE ((stderr, "expose_window (%d, %d, %d, %d)\n", |
5501 | r->x, r->y, r->width, r->height)); | |
dc6f92b8 | 5502 | |
06a2c219 GM |
5503 | /* Convert to window coordinates. */ |
5504 | r->x = FRAME_TO_WINDOW_PIXEL_X (w, r->x); | |
5505 | r->y = FRAME_TO_WINDOW_PIXEL_Y (w, r->y); | |
dc6f92b8 | 5506 | |
06a2c219 GM |
5507 | /* Turn off the cursor. */ |
5508 | if (!w->pseudo_window_p | |
5509 | && x_phys_cursor_in_rect_p (w, r)) | |
5510 | { | |
5511 | x_clear_cursor (w); | |
5512 | cursor_cleared_p = 1; | |
5513 | } | |
5514 | else | |
5515 | cursor_cleared_p = 0; | |
5516 | ||
5517 | /* Find the first row intersecting the rectangle R. */ | |
5518 | row = w->current_matrix->rows; | |
5519 | y = 0; | |
5520 | while (row->enabled_p | |
5521 | && y < yb | |
5522 | && y + row->height < r->y) | |
5523 | { | |
5524 | y += row->height; | |
5525 | ++row; | |
5526 | } | |
5527 | ||
dc6f92b8 | 5528 | /* Display the text in the rectangle, one text line at a time. */ |
06a2c219 GM |
5529 | while (row->enabled_p |
5530 | && y < yb | |
5531 | && y < r->y + r->height) | |
5532 | { | |
5533 | expose_line (w, row, r); | |
5534 | y += row->height; | |
5535 | ++row; | |
5536 | } | |
5537 | ||
5538 | /* Display the mode line if there is one. */ | |
5539 | if (WINDOW_WANTS_MODELINE_P (w) | |
5540 | && (row = MATRIX_MODE_LINE_ROW (w->current_matrix), | |
5541 | row->enabled_p) | |
5542 | && row->y < r->y + r->height) | |
5543 | expose_line (w, row, r); | |
dc6f92b8 | 5544 | |
06a2c219 | 5545 | if (!w->pseudo_window_p) |
dc6f92b8 | 5546 | { |
06a2c219 GM |
5547 | /* Draw border between windows. */ |
5548 | x_draw_vertical_border (w); | |
5549 | ||
5550 | /* Turn the cursor on again. */ | |
5551 | if (cursor_cleared_p) | |
5552 | x_update_window_cursor (w, 1); | |
5553 | } | |
5554 | } | |
dc6f92b8 | 5555 | |
dc6f92b8 | 5556 | |
06a2c219 GM |
5557 | /* Determine the intersection of two rectangles R1 and R2. Return |
5558 | the intersection in *RESULT. Value is non-zero if RESULT is not | |
5559 | empty. */ | |
5560 | ||
5561 | static int | |
5562 | x_intersect_rectangles (r1, r2, result) | |
5563 | XRectangle *r1, *r2, *result; | |
5564 | { | |
5565 | XRectangle *left, *right; | |
5566 | XRectangle *upper, *lower; | |
5567 | int intersection_p = 0; | |
5568 | ||
5569 | /* Rearrange so that R1 is the left-most rectangle. */ | |
5570 | if (r1->x < r2->x) | |
5571 | left = r1, right = r2; | |
5572 | else | |
5573 | left = r2, right = r1; | |
5574 | ||
5575 | /* X0 of the intersection is right.x0, if this is inside R1, | |
5576 | otherwise there is no intersection. */ | |
5577 | if (right->x <= left->x + left->width) | |
5578 | { | |
5579 | result->x = right->x; | |
5580 | ||
5581 | /* The right end of the intersection is the minimum of the | |
5582 | the right ends of left and right. */ | |
5583 | result->width = (min (left->x + left->width, right->x + right->width) | |
5584 | - result->x); | |
5585 | ||
5586 | /* Same game for Y. */ | |
5587 | if (r1->y < r2->y) | |
5588 | upper = r1, lower = r2; | |
5589 | else | |
5590 | upper = r2, lower = r1; | |
5591 | ||
5592 | /* The upper end of the intersection is lower.y0, if this is inside | |
5593 | of upper. Otherwise, there is no intersection. */ | |
5594 | if (lower->y <= upper->y + upper->height) | |
dc43ef94 | 5595 | { |
06a2c219 GM |
5596 | result->y = lower->y; |
5597 | ||
5598 | /* The lower end of the intersection is the minimum of the lower | |
5599 | ends of upper and lower. */ | |
5600 | result->height = (min (lower->y + lower->height, | |
5601 | upper->y + upper->height) | |
5602 | - result->y); | |
5603 | intersection_p = 1; | |
dc43ef94 | 5604 | } |
dc6f92b8 JB |
5605 | } |
5606 | ||
06a2c219 | 5607 | return intersection_p; |
dc6f92b8 | 5608 | } |
06a2c219 GM |
5609 | |
5610 | ||
5611 | ||
5612 | ||
dc6f92b8 | 5613 | \f |
dc6f92b8 | 5614 | static void |
334208b7 RS |
5615 | frame_highlight (f) |
5616 | struct frame *f; | |
dc6f92b8 | 5617 | { |
b3e1e05c JB |
5618 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
5619 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
5620 | and border pixel are window attributes which are "private to the | |
5621 | client", so we can always change it to whatever we want. */ | |
5622 | BLOCK_INPUT; | |
334208b7 | 5623 | XSetWindowBorder (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 5624 | f->output_data.x->border_pixel); |
b3e1e05c | 5625 | UNBLOCK_INPUT; |
5d46f928 | 5626 | x_update_cursor (f, 1); |
dc6f92b8 JB |
5627 | } |
5628 | ||
5629 | static void | |
334208b7 RS |
5630 | frame_unhighlight (f) |
5631 | struct frame *f; | |
dc6f92b8 | 5632 | { |
b3e1e05c JB |
5633 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
5634 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
5635 | and border pixel are window attributes which are "private to the | |
5636 | client", so we can always change it to whatever we want. */ | |
5637 | BLOCK_INPUT; | |
334208b7 | 5638 | XSetWindowBorderPixmap (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 5639 | f->output_data.x->border_tile); |
b3e1e05c | 5640 | UNBLOCK_INPUT; |
5d46f928 | 5641 | x_update_cursor (f, 1); |
dc6f92b8 | 5642 | } |
dc6f92b8 | 5643 | |
f676886a JB |
5644 | /* The focus has changed. Update the frames as necessary to reflect |
5645 | the new situation. Note that we can't change the selected frame | |
c5acd733 | 5646 | here, because the Lisp code we are interrupting might become confused. |
eb8c3be9 | 5647 | Each event gets marked with the frame in which it occurred, so the |
c5acd733 | 5648 | Lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 5649 | |
6d4238f3 | 5650 | static void |
0f941935 KH |
5651 | x_new_focus_frame (dpyinfo, frame) |
5652 | struct x_display_info *dpyinfo; | |
f676886a | 5653 | struct frame *frame; |
dc6f92b8 | 5654 | { |
0f941935 | 5655 | struct frame *old_focus = dpyinfo->x_focus_frame; |
dc6f92b8 | 5656 | |
0f941935 | 5657 | if (frame != dpyinfo->x_focus_frame) |
dc6f92b8 | 5658 | { |
58769bee | 5659 | /* Set this before calling other routines, so that they see |
f676886a | 5660 | the correct value of x_focus_frame. */ |
0f941935 | 5661 | dpyinfo->x_focus_frame = frame; |
6d4238f3 JB |
5662 | |
5663 | if (old_focus && old_focus->auto_lower) | |
f676886a | 5664 | x_lower_frame (old_focus); |
dc6f92b8 JB |
5665 | |
5666 | #if 0 | |
f676886a | 5667 | selected_frame = frame; |
e0c1aef2 KH |
5668 | XSETFRAME (XWINDOW (selected_frame->selected_window)->frame, |
5669 | selected_frame); | |
f676886a JB |
5670 | Fselect_window (selected_frame->selected_window); |
5671 | choose_minibuf_frame (); | |
c118dd06 | 5672 | #endif /* ! 0 */ |
dc6f92b8 | 5673 | |
0f941935 KH |
5674 | if (dpyinfo->x_focus_frame && dpyinfo->x_focus_frame->auto_raise) |
5675 | pending_autoraise_frame = dpyinfo->x_focus_frame; | |
0134a210 RS |
5676 | else |
5677 | pending_autoraise_frame = 0; | |
6d4238f3 | 5678 | } |
dc6f92b8 | 5679 | |
0f941935 | 5680 | x_frame_rehighlight (dpyinfo); |
6d4238f3 JB |
5681 | } |
5682 | ||
37c2c98b RS |
5683 | /* Handle an event saying the mouse has moved out of an Emacs frame. */ |
5684 | ||
5685 | void | |
0f941935 KH |
5686 | x_mouse_leave (dpyinfo) |
5687 | struct x_display_info *dpyinfo; | |
37c2c98b | 5688 | { |
0f941935 | 5689 | x_new_focus_frame (dpyinfo, dpyinfo->x_focus_event_frame); |
37c2c98b | 5690 | } |
6d4238f3 | 5691 | |
f451eb13 JB |
5692 | /* The focus has changed, or we have redirected a frame's focus to |
5693 | another frame (this happens when a frame uses a surrogate | |
06a2c219 | 5694 | mini-buffer frame). Shift the highlight as appropriate. |
0f941935 KH |
5695 | |
5696 | The FRAME argument doesn't necessarily have anything to do with which | |
06a2c219 | 5697 | frame is being highlighted or un-highlighted; we only use it to find |
0f941935 | 5698 | the appropriate X display info. */ |
06a2c219 | 5699 | |
6d4238f3 | 5700 | static void |
0f941935 KH |
5701 | XTframe_rehighlight (frame) |
5702 | struct frame *frame; | |
6d4238f3 | 5703 | { |
0f941935 KH |
5704 | x_frame_rehighlight (FRAME_X_DISPLAY_INFO (frame)); |
5705 | } | |
6d4238f3 | 5706 | |
0f941935 KH |
5707 | static void |
5708 | x_frame_rehighlight (dpyinfo) | |
5709 | struct x_display_info *dpyinfo; | |
5710 | { | |
5711 | struct frame *old_highlight = dpyinfo->x_highlight_frame; | |
5712 | ||
5713 | if (dpyinfo->x_focus_frame) | |
6d4238f3 | 5714 | { |
0f941935 KH |
5715 | dpyinfo->x_highlight_frame |
5716 | = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame))) | |
5717 | ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame)) | |
5718 | : dpyinfo->x_focus_frame); | |
5719 | if (! FRAME_LIVE_P (dpyinfo->x_highlight_frame)) | |
f451eb13 | 5720 | { |
0f941935 KH |
5721 | FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame) = Qnil; |
5722 | dpyinfo->x_highlight_frame = dpyinfo->x_focus_frame; | |
f451eb13 | 5723 | } |
dc6f92b8 | 5724 | } |
6d4238f3 | 5725 | else |
0f941935 | 5726 | dpyinfo->x_highlight_frame = 0; |
dc6f92b8 | 5727 | |
0f941935 | 5728 | if (dpyinfo->x_highlight_frame != old_highlight) |
6d4238f3 JB |
5729 | { |
5730 | if (old_highlight) | |
f676886a | 5731 | frame_unhighlight (old_highlight); |
0f941935 KH |
5732 | if (dpyinfo->x_highlight_frame) |
5733 | frame_highlight (dpyinfo->x_highlight_frame); | |
6d4238f3 | 5734 | } |
dc6f92b8 | 5735 | } |
06a2c219 GM |
5736 | |
5737 | ||
dc6f92b8 | 5738 | \f |
06a2c219 | 5739 | /* Keyboard processing - modifier keys, vendor-specific keysyms, etc. */ |
dc6f92b8 | 5740 | |
28430d3c JB |
5741 | /* Initialize mode_switch_bit and modifier_meaning. */ |
5742 | static void | |
334208b7 RS |
5743 | x_find_modifier_meanings (dpyinfo) |
5744 | struct x_display_info *dpyinfo; | |
28430d3c | 5745 | { |
f689eb05 | 5746 | int min_code, max_code; |
28430d3c JB |
5747 | KeySym *syms; |
5748 | int syms_per_code; | |
5749 | XModifierKeymap *mods; | |
5750 | ||
334208b7 RS |
5751 | dpyinfo->meta_mod_mask = 0; |
5752 | dpyinfo->shift_lock_mask = 0; | |
5753 | dpyinfo->alt_mod_mask = 0; | |
5754 | dpyinfo->super_mod_mask = 0; | |
5755 | dpyinfo->hyper_mod_mask = 0; | |
58769bee | 5756 | |
9658a521 | 5757 | #ifdef HAVE_X11R4 |
334208b7 | 5758 | XDisplayKeycodes (dpyinfo->display, &min_code, &max_code); |
9658a521 | 5759 | #else |
4a60f8c5 RS |
5760 | min_code = dpyinfo->display->min_keycode; |
5761 | max_code = dpyinfo->display->max_keycode; | |
9658a521 JB |
5762 | #endif |
5763 | ||
334208b7 | 5764 | syms = XGetKeyboardMapping (dpyinfo->display, |
28430d3c JB |
5765 | min_code, max_code - min_code + 1, |
5766 | &syms_per_code); | |
334208b7 | 5767 | mods = XGetModifierMapping (dpyinfo->display); |
28430d3c | 5768 | |
58769bee | 5769 | /* Scan the modifier table to see which modifier bits the Meta and |
11edeb03 | 5770 | Alt keysyms are on. */ |
28430d3c | 5771 | { |
06a2c219 | 5772 | int row, col; /* The row and column in the modifier table. */ |
28430d3c JB |
5773 | |
5774 | for (row = 3; row < 8; row++) | |
5775 | for (col = 0; col < mods->max_keypermod; col++) | |
5776 | { | |
0299d313 RS |
5777 | KeyCode code |
5778 | = mods->modifiermap[(row * mods->max_keypermod) + col]; | |
28430d3c | 5779 | |
af92970c KH |
5780 | /* Zeroes are used for filler. Skip them. */ |
5781 | if (code == 0) | |
5782 | continue; | |
5783 | ||
28430d3c JB |
5784 | /* Are any of this keycode's keysyms a meta key? */ |
5785 | { | |
5786 | int code_col; | |
5787 | ||
5788 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
5789 | { | |
f689eb05 | 5790 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 5791 | |
f689eb05 | 5792 | switch (sym) |
28430d3c | 5793 | { |
f689eb05 JB |
5794 | case XK_Meta_L: |
5795 | case XK_Meta_R: | |
334208b7 | 5796 | dpyinfo->meta_mod_mask |= (1 << row); |
28430d3c | 5797 | break; |
f689eb05 JB |
5798 | |
5799 | case XK_Alt_L: | |
5800 | case XK_Alt_R: | |
334208b7 | 5801 | dpyinfo->alt_mod_mask |= (1 << row); |
a3c44b14 RS |
5802 | break; |
5803 | ||
5804 | case XK_Hyper_L: | |
5805 | case XK_Hyper_R: | |
334208b7 | 5806 | dpyinfo->hyper_mod_mask |= (1 << row); |
a3c44b14 RS |
5807 | break; |
5808 | ||
5809 | case XK_Super_L: | |
5810 | case XK_Super_R: | |
334208b7 | 5811 | dpyinfo->super_mod_mask |= (1 << row); |
f689eb05 | 5812 | break; |
11edeb03 JB |
5813 | |
5814 | case XK_Shift_Lock: | |
5815 | /* Ignore this if it's not on the lock modifier. */ | |
5816 | if ((1 << row) == LockMask) | |
334208b7 | 5817 | dpyinfo->shift_lock_mask = LockMask; |
11edeb03 | 5818 | break; |
28430d3c JB |
5819 | } |
5820 | } | |
5821 | } | |
5822 | } | |
5823 | } | |
5824 | ||
f689eb05 | 5825 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
334208b7 | 5826 | if (! dpyinfo->meta_mod_mask) |
a3c44b14 | 5827 | { |
334208b7 RS |
5828 | dpyinfo->meta_mod_mask = dpyinfo->alt_mod_mask; |
5829 | dpyinfo->alt_mod_mask = 0; | |
a3c44b14 | 5830 | } |
f689eb05 | 5831 | |
148c4b70 RS |
5832 | /* If some keys are both alt and meta, |
5833 | make them just meta, not alt. */ | |
334208b7 | 5834 | if (dpyinfo->alt_mod_mask & dpyinfo->meta_mod_mask) |
148c4b70 | 5835 | { |
334208b7 | 5836 | dpyinfo->alt_mod_mask &= ~dpyinfo->meta_mod_mask; |
148c4b70 | 5837 | } |
58769bee | 5838 | |
28430d3c | 5839 | XFree ((char *) syms); |
f689eb05 | 5840 | XFreeModifiermap (mods); |
28430d3c JB |
5841 | } |
5842 | ||
dfeccd2d JB |
5843 | /* Convert between the modifier bits X uses and the modifier bits |
5844 | Emacs uses. */ | |
06a2c219 | 5845 | |
7c5283e4 | 5846 | static unsigned int |
334208b7 RS |
5847 | x_x_to_emacs_modifiers (dpyinfo, state) |
5848 | struct x_display_info *dpyinfo; | |
dc6f92b8 JB |
5849 | unsigned int state; |
5850 | { | |
334208b7 RS |
5851 | return ( ((state & (ShiftMask | dpyinfo->shift_lock_mask)) ? shift_modifier : 0) |
5852 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
5853 | | ((state & dpyinfo->meta_mod_mask) ? meta_modifier : 0) | |
5854 | | ((state & dpyinfo->alt_mod_mask) ? alt_modifier : 0) | |
5855 | | ((state & dpyinfo->super_mod_mask) ? super_modifier : 0) | |
5856 | | ((state & dpyinfo->hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
5857 | } |
5858 | ||
dfeccd2d | 5859 | static unsigned int |
334208b7 RS |
5860 | x_emacs_to_x_modifiers (dpyinfo, state) |
5861 | struct x_display_info *dpyinfo; | |
dfeccd2d JB |
5862 | unsigned int state; |
5863 | { | |
334208b7 RS |
5864 | return ( ((state & alt_modifier) ? dpyinfo->alt_mod_mask : 0) |
5865 | | ((state & super_modifier) ? dpyinfo->super_mod_mask : 0) | |
5866 | | ((state & hyper_modifier) ? dpyinfo->hyper_mod_mask : 0) | |
5867 | | ((state & shift_modifier) ? ShiftMask : 0) | |
5868 | | ((state & ctrl_modifier) ? ControlMask : 0) | |
5869 | | ((state & meta_modifier) ? dpyinfo->meta_mod_mask : 0)); | |
dfeccd2d | 5870 | } |
d047c4eb KH |
5871 | |
5872 | /* Convert a keysym to its name. */ | |
5873 | ||
5874 | char * | |
5875 | x_get_keysym_name (keysym) | |
5876 | KeySym keysym; | |
5877 | { | |
5878 | char *value; | |
5879 | ||
5880 | BLOCK_INPUT; | |
5881 | value = XKeysymToString (keysym); | |
5882 | UNBLOCK_INPUT; | |
5883 | ||
5884 | return value; | |
5885 | } | |
06a2c219 GM |
5886 | |
5887 | ||
e4571a43 JB |
5888 | \f |
5889 | /* Mouse clicks and mouse movement. Rah. */ | |
e4571a43 | 5890 | |
06a2c219 GM |
5891 | /* Given a pixel position (PIX_X, PIX_Y) on frame F, return glyph |
5892 | co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle that the | |
5893 | glyph at X, Y occupies, if BOUNDS != 0. If NOCLIP is non-zero, do | |
5894 | not force the value into range. */ | |
69388238 | 5895 | |
c8dba240 | 5896 | void |
69388238 | 5897 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) |
e4571a43 | 5898 | FRAME_PTR f; |
69388238 | 5899 | register int pix_x, pix_y; |
e4571a43 JB |
5900 | register int *x, *y; |
5901 | XRectangle *bounds; | |
69388238 | 5902 | int noclip; |
e4571a43 | 5903 | { |
06a2c219 | 5904 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
69388238 RS |
5905 | even for negative values. */ |
5906 | if (pix_x < 0) | |
7556890b | 5907 | pix_x -= FONT_WIDTH ((f)->output_data.x->font) - 1; |
69388238 | 5908 | if (pix_y < 0) |
7556890b | 5909 | pix_y -= (f)->output_data.x->line_height - 1; |
69388238 | 5910 | |
e4571a43 JB |
5911 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
5912 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
5913 | ||
5914 | if (bounds) | |
5915 | { | |
7556890b RS |
5916 | bounds->width = FONT_WIDTH (f->output_data.x->font); |
5917 | bounds->height = f->output_data.x->line_height; | |
e4571a43 JB |
5918 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); |
5919 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
5920 | } | |
5921 | ||
69388238 RS |
5922 | if (!noclip) |
5923 | { | |
5924 | if (pix_x < 0) | |
5925 | pix_x = 0; | |
3cbd2e0b RS |
5926 | else if (pix_x > FRAME_WINDOW_WIDTH (f)) |
5927 | pix_x = FRAME_WINDOW_WIDTH (f); | |
69388238 RS |
5928 | |
5929 | if (pix_y < 0) | |
5930 | pix_y = 0; | |
5931 | else if (pix_y > f->height) | |
5932 | pix_y = f->height; | |
5933 | } | |
e4571a43 JB |
5934 | |
5935 | *x = pix_x; | |
5936 | *y = pix_y; | |
5937 | } | |
5938 | ||
06a2c219 GM |
5939 | |
5940 | /* Given HPOS/VPOS in the current matrix of W, return corresponding | |
5941 | frame-relative pixel positions in *FRAME_X and *FRAME_Y. If we | |
5942 | can't tell the positions because W's display is not up to date, | |
5943 | return 0. */ | |
5944 | ||
5945 | int | |
5946 | glyph_to_pixel_coords (w, hpos, vpos, frame_x, frame_y) | |
5947 | struct window *w; | |
5948 | int hpos, vpos; | |
5949 | int *frame_x, *frame_y; | |
2b5c9e71 | 5950 | { |
06a2c219 GM |
5951 | int success_p; |
5952 | ||
5953 | xassert (hpos >= 0 && hpos < w->current_matrix->matrix_w); | |
5954 | xassert (vpos >= 0 && vpos < w->current_matrix->matrix_h); | |
5955 | ||
5956 | if (display_completed) | |
5957 | { | |
5958 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, vpos); | |
5959 | struct glyph *glyph = row->glyphs[TEXT_AREA]; | |
5960 | struct glyph *end = glyph + min (hpos, row->used[TEXT_AREA]); | |
5961 | ||
5962 | *frame_y = row->y; | |
5963 | *frame_x = row->x; | |
5964 | while (glyph < end) | |
5965 | { | |
5966 | *frame_x += glyph->pixel_width; | |
5967 | ++glyph; | |
5968 | } | |
5969 | ||
5970 | success_p = 1; | |
5971 | } | |
5972 | else | |
5973 | { | |
5974 | *frame_y = *frame_x = 0; | |
5975 | success_p = 0; | |
5976 | } | |
5977 | ||
5978 | *frame_y = WINDOW_TO_FRAME_PIXEL_Y (w, *frame_y); | |
5979 | *frame_x = WINDOW_TO_FRAME_PIXEL_X (w, *frame_x); | |
5980 | return success_p; | |
2b5c9e71 RS |
5981 | } |
5982 | ||
06a2c219 | 5983 | |
dc6f92b8 JB |
5984 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
5985 | ||
5986 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 5987 | the mouse. */ |
dc6f92b8 JB |
5988 | |
5989 | static Lisp_Object | |
f451eb13 | 5990 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
5991 | struct input_event *result; |
5992 | XButtonEvent *event; | |
f676886a | 5993 | struct frame *f; |
dc6f92b8 | 5994 | { |
f451eb13 | 5995 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 5996 | otherwise. */ |
f451eb13 | 5997 | result->kind = mouse_click; |
69388238 | 5998 | result->code = event->button - Button1; |
1113d9db | 5999 | result->timestamp = event->time; |
334208b7 RS |
6000 | result->modifiers = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), |
6001 | event->state) | |
f689eb05 | 6002 | | (event->type == ButtonRelease |
58769bee | 6003 | ? up_modifier |
f689eb05 | 6004 | : down_modifier)); |
dc6f92b8 | 6005 | |
06a2c219 GM |
6006 | XSETINT (result->x, event->x); |
6007 | XSETINT (result->y, event->y); | |
6008 | XSETFRAME (result->frame_or_window, f); | |
6009 | return Qnil; | |
dc6f92b8 | 6010 | } |
b849c413 | 6011 | |
06a2c219 GM |
6012 | #if 0 /* This function isn't called. --gerd */ |
6013 | ||
b849c413 RS |
6014 | /* Prepare a menu-event in *RESULT for placement in the input queue. */ |
6015 | ||
6016 | static Lisp_Object | |
6017 | construct_menu_click (result, event, f) | |
6018 | struct input_event *result; | |
6019 | XButtonEvent *event; | |
6020 | struct frame *f; | |
6021 | { | |
6022 | /* Make the event type no_event; we'll change that when we decide | |
6023 | otherwise. */ | |
6024 | result->kind = mouse_click; | |
26459b28 | 6025 | result->code = event->button - Button1; |
b849c413 | 6026 | result->timestamp = event->time; |
334208b7 RS |
6027 | result->modifiers = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), |
6028 | event->state) | |
b849c413 | 6029 | | (event->type == ButtonRelease |
58769bee | 6030 | ? up_modifier |
b849c413 RS |
6031 | : down_modifier)); |
6032 | ||
e0c1aef2 KH |
6033 | XSETINT (result->x, event->x); |
6034 | XSETINT (result->y, -1); | |
6035 | XSETFRAME (result->frame_or_window, f); | |
b849c413 | 6036 | } |
06a2c219 GM |
6037 | |
6038 | #endif /* 0 */ | |
6039 | ||
69388238 | 6040 | \f |
90e65f07 JB |
6041 | /* Function to report a mouse movement to the mainstream Emacs code. |
6042 | The input handler calls this. | |
6043 | ||
6044 | We have received a mouse movement event, which is given in *event. | |
6045 | If the mouse is over a different glyph than it was last time, tell | |
6046 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
6047 | another motion event, so we can check again the next time it moves. */ | |
b8009dd1 | 6048 | |
06a2c219 GM |
6049 | static XMotionEvent last_mouse_motion_event; |
6050 | static Lisp_Object last_mouse_motion_frame; | |
6051 | ||
90e65f07 | 6052 | static void |
12ba150f | 6053 | note_mouse_movement (frame, event) |
f676886a | 6054 | FRAME_PTR frame; |
90e65f07 | 6055 | XMotionEvent *event; |
90e65f07 | 6056 | { |
e5d77022 | 6057 | last_mouse_movement_time = event->time; |
06a2c219 GM |
6058 | last_mouse_motion_event = *event; |
6059 | XSETFRAME (last_mouse_motion_frame, frame); | |
e5d77022 | 6060 | |
27f338af RS |
6061 | if (event->window != FRAME_X_WINDOW (frame)) |
6062 | { | |
39d8bb4d | 6063 | frame->mouse_moved = 1; |
27f338af | 6064 | last_mouse_scroll_bar = Qnil; |
27f338af | 6065 | note_mouse_highlight (frame, -1, -1); |
27f338af RS |
6066 | } |
6067 | ||
90e65f07 | 6068 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
27f338af RS |
6069 | else if (event->x < last_mouse_glyph.x |
6070 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
6071 | || event->y < last_mouse_glyph.y | |
6072 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f | 6073 | { |
39d8bb4d | 6074 | frame->mouse_moved = 1; |
ab648270 | 6075 | last_mouse_scroll_bar = Qnil; |
b8009dd1 | 6076 | note_mouse_highlight (frame, event->x, event->y); |
90e65f07 JB |
6077 | } |
6078 | } | |
6079 | ||
bf1c0ba1 | 6080 | /* This is used for debugging, to turn off note_mouse_highlight. */ |
bf1c0ba1 | 6081 | |
06a2c219 GM |
6082 | int disable_mouse_highlight; |
6083 | ||
6084 | ||
6085 | \f | |
6086 | /************************************************************************ | |
6087 | Mouse Face | |
6088 | ************************************************************************/ | |
6089 | ||
6090 | /* Find the glyph under window-relative coordinates X/Y in window W. | |
6091 | Consider only glyphs from buffer text, i.e. no glyphs from overlay | |
6092 | strings. Return in *HPOS and *VPOS the row and column number of | |
6093 | the glyph found. Return in *AREA the glyph area containing X. | |
6094 | Value is a pointer to the glyph found or null if X/Y is not on | |
6095 | text, or we can't tell because W's current matrix is not up to | |
6096 | date. */ | |
6097 | ||
6098 | static struct glyph * | |
6099 | x_y_to_hpos_vpos (w, x, y, hpos, vpos, area) | |
6100 | struct window *w; | |
6101 | int x, y; | |
6102 | int *hpos, *vpos, *area; | |
6103 | { | |
6104 | struct glyph *glyph, *end; | |
6105 | struct glyph_row *row; | |
6106 | int x0, i, left_area_width; | |
6107 | ||
6108 | /* Find row containing Y. Give up if some row is not enabled. */ | |
6109 | for (i = 0; i < w->current_matrix->nrows; ++i) | |
6110 | { | |
6111 | row = MATRIX_ROW (w->current_matrix, i); | |
6112 | if (!row->enabled_p) | |
6113 | return NULL; | |
6114 | if (y >= row->y && y < MATRIX_ROW_BOTTOM_Y (row)) | |
6115 | break; | |
6116 | } | |
6117 | ||
6118 | *vpos = i; | |
6119 | *hpos = 0; | |
6120 | ||
6121 | /* Give up if Y is not in the window. */ | |
6122 | if (i == w->current_matrix->nrows) | |
6123 | return NULL; | |
6124 | ||
6125 | /* Get the glyph area containing X. */ | |
6126 | if (w->pseudo_window_p) | |
6127 | { | |
6128 | *area = TEXT_AREA; | |
6129 | x0 = 0; | |
6130 | } | |
6131 | else | |
6132 | { | |
6133 | left_area_width = window_box_width (w, LEFT_MARGIN_AREA); | |
6134 | if (x < left_area_width) | |
6135 | { | |
6136 | *area = LEFT_MARGIN_AREA; | |
6137 | x0 = 0; | |
6138 | } | |
6139 | else if (x < left_area_width + window_box_width (w, TEXT_AREA)) | |
6140 | { | |
6141 | *area = TEXT_AREA; | |
6142 | x0 = row->x + left_area_width; | |
6143 | } | |
6144 | else | |
6145 | { | |
6146 | *area = RIGHT_MARGIN_AREA; | |
6147 | x0 = left_area_width + window_box_width (w, TEXT_AREA); | |
6148 | } | |
6149 | } | |
6150 | ||
6151 | /* Find glyph containing X. */ | |
6152 | glyph = row->glyphs[*area]; | |
6153 | end = glyph + row->used[*area]; | |
6154 | while (glyph < end) | |
6155 | { | |
6156 | if (x < x0 + glyph->pixel_width) | |
6157 | { | |
6158 | if (w->pseudo_window_p) | |
6159 | break; | |
6160 | else if (BUFFERP (glyph->object)) | |
6161 | break; | |
6162 | } | |
6163 | ||
6164 | x0 += glyph->pixel_width; | |
6165 | ++glyph; | |
6166 | } | |
6167 | ||
6168 | if (glyph == end) | |
6169 | return NULL; | |
6170 | ||
6171 | *hpos = glyph - row->glyphs[*area]; | |
6172 | return glyph; | |
6173 | } | |
6174 | ||
6175 | ||
6176 | /* Convert frame-relative x/y to coordinates relative to window W. | |
6177 | Takes pseudo-windows into account. */ | |
6178 | ||
6179 | static void | |
6180 | frame_to_window_pixel_xy (w, x, y) | |
6181 | struct window *w; | |
6182 | int *x, *y; | |
6183 | { | |
6184 | if (w->pseudo_window_p) | |
6185 | { | |
6186 | /* A pseudo-window is always full-width, and starts at the | |
6187 | left edge of the frame, plus a frame border. */ | |
6188 | struct frame *f = XFRAME (w->frame); | |
6189 | *x -= FRAME_INTERNAL_BORDER_WIDTH_SAFE (f); | |
6190 | *y = FRAME_TO_WINDOW_PIXEL_Y (w, *y); | |
6191 | } | |
6192 | else | |
6193 | { | |
6194 | *x = FRAME_TO_WINDOW_PIXEL_X (w, *x); | |
6195 | *y = FRAME_TO_WINDOW_PIXEL_Y (w, *y); | |
6196 | } | |
6197 | } | |
6198 | ||
6199 | ||
6200 | /* Take proper action when mouse has moved to the mode or top line of | |
6201 | window W, x-position X. MODE_LINE_P non-zero means mouse is on the | |
6202 | mode line. X is relative to the start of the text display area of | |
6203 | W, so the width of bitmap areas and scroll bars must be subtracted | |
6204 | to get a position relative to the start of the mode line. */ | |
6205 | ||
6206 | static void | |
6207 | note_mode_line_highlight (w, x, mode_line_p) | |
6208 | struct window *w; | |
6209 | int x, mode_line_p; | |
6210 | { | |
6211 | struct frame *f = XFRAME (w->frame); | |
6212 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
6213 | Cursor cursor = dpyinfo->vertical_scroll_bar_cursor; | |
6214 | struct glyph_row *row; | |
6215 | ||
6216 | if (mode_line_p) | |
6217 | row = MATRIX_MODE_LINE_ROW (w->current_matrix); | |
6218 | else | |
045dee35 | 6219 | row = MATRIX_HEADER_LINE_ROW (w->current_matrix); |
06a2c219 GM |
6220 | |
6221 | if (row->enabled_p) | |
6222 | { | |
6223 | struct glyph *glyph, *end; | |
6224 | Lisp_Object help, map; | |
6225 | int x0; | |
6226 | ||
6227 | /* Find the glyph under X. */ | |
6228 | glyph = row->glyphs[TEXT_AREA]; | |
6229 | end = glyph + row->used[TEXT_AREA]; | |
6230 | x0 = - (FRAME_LEFT_SCROLL_BAR_WIDTH (f) * CANON_X_UNIT (f) | |
110859fc | 6231 | + FRAME_X_LEFT_FLAGS_AREA_WIDTH (f)); |
06a2c219 GM |
6232 | while (glyph < end |
6233 | && x >= x0 + glyph->pixel_width) | |
6234 | { | |
6235 | x0 += glyph->pixel_width; | |
6236 | ++glyph; | |
6237 | } | |
6238 | ||
6239 | if (glyph < end | |
6240 | && STRINGP (glyph->object) | |
6241 | && XSTRING (glyph->object)->intervals | |
6242 | && glyph->charpos >= 0 | |
6243 | && glyph->charpos < XSTRING (glyph->object)->size) | |
6244 | { | |
6245 | /* If we're on a string with `help-echo' text property, | |
6246 | arrange for the help to be displayed. This is done by | |
6247 | setting the global variable help_echo to the help string. */ | |
6248 | help = Fget_text_property (make_number (glyph->charpos), | |
6249 | Qhelp_echo, glyph->object); | |
6250 | if (STRINGP (help)) | |
6251 | help_echo = help; | |
6252 | ||
6253 | /* Change the mouse pointer according to what is under X/Y. */ | |
6254 | map = Fget_text_property (make_number (glyph->charpos), | |
6255 | Qlocal_map, glyph->object); | |
6256 | if (!NILP (Fkeymapp (map))) | |
6257 | cursor = f->output_data.x->nontext_cursor; | |
6258 | } | |
6259 | } | |
6260 | ||
6261 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), cursor); | |
6262 | } | |
6263 | ||
6264 | ||
6265 | /* Take proper action when the mouse has moved to position X, Y on | |
6266 | frame F as regards highlighting characters that have mouse-face | |
6267 | properties. Also de-highlighting chars where the mouse was before. | |
27f338af | 6268 | X and Y can be negative or out of range. */ |
b8009dd1 RS |
6269 | |
6270 | static void | |
6271 | note_mouse_highlight (f, x, y) | |
06a2c219 | 6272 | struct frame *f; |
c32cdd9a | 6273 | int x, y; |
b8009dd1 | 6274 | { |
06a2c219 GM |
6275 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
6276 | int portion; | |
b8009dd1 RS |
6277 | Lisp_Object window; |
6278 | struct window *w; | |
6279 | ||
06a2c219 GM |
6280 | /* When a menu is active, don't highlight because this looks odd. */ |
6281 | #ifdef USE_X_TOOLKIT | |
6282 | if (popup_activated ()) | |
6283 | return; | |
6284 | #endif | |
6285 | ||
04fff9c0 GM |
6286 | if (disable_mouse_highlight |
6287 | || !f->glyphs_initialized_p) | |
bf1c0ba1 RS |
6288 | return; |
6289 | ||
06a2c219 GM |
6290 | dpyinfo->mouse_face_mouse_x = x; |
6291 | dpyinfo->mouse_face_mouse_y = y; | |
6292 | dpyinfo->mouse_face_mouse_frame = f; | |
b8009dd1 | 6293 | |
06a2c219 | 6294 | if (dpyinfo->mouse_face_defer) |
b8009dd1 RS |
6295 | return; |
6296 | ||
514e4681 RS |
6297 | if (gc_in_progress) |
6298 | { | |
06a2c219 | 6299 | dpyinfo->mouse_face_deferred_gc = 1; |
514e4681 RS |
6300 | return; |
6301 | } | |
6302 | ||
b8009dd1 | 6303 | /* Which window is that in? */ |
06a2c219 | 6304 | window = window_from_coordinates (f, x, y, &portion, 1); |
b8009dd1 RS |
6305 | |
6306 | /* If we were displaying active text in another window, clear that. */ | |
06a2c219 GM |
6307 | if (! EQ (window, dpyinfo->mouse_face_window)) |
6308 | clear_mouse_face (dpyinfo); | |
6309 | ||
6310 | /* Not on a window -> return. */ | |
6311 | if (!WINDOWP (window)) | |
6312 | return; | |
6313 | ||
6314 | /* Convert to window-relative pixel coordinates. */ | |
6315 | w = XWINDOW (window); | |
6316 | frame_to_window_pixel_xy (w, &x, &y); | |
6317 | ||
9ea173e8 | 6318 | /* Handle tool-bar window differently since it doesn't display a |
06a2c219 | 6319 | buffer. */ |
9ea173e8 | 6320 | if (EQ (window, f->tool_bar_window)) |
06a2c219 | 6321 | { |
9ea173e8 | 6322 | note_tool_bar_highlight (f, x, y); |
06a2c219 GM |
6323 | return; |
6324 | } | |
6325 | ||
6326 | if (portion == 1 || portion == 3) | |
6327 | { | |
6328 | /* Mouse is on the mode or top line. */ | |
6329 | note_mode_line_highlight (w, x, portion == 1); | |
6330 | return; | |
6331 | } | |
6332 | else | |
6333 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
6334 | f->output_data.x->text_cursor); | |
b8009dd1 | 6335 | |
0cdd0c9f RS |
6336 | /* Are we in a window whose display is up to date? |
6337 | And verify the buffer's text has not changed. */ | |
06a2c219 GM |
6338 | if (/* Within text portion of the window. */ |
6339 | portion == 0 | |
0cdd0c9f | 6340 | && EQ (w->window_end_valid, w->buffer) |
26459b28 KH |
6341 | && XFASTINT (w->last_modified) == BUF_MODIFF (XBUFFER (w->buffer)) |
6342 | && (XFASTINT (w->last_overlay_modified) | |
6343 | == BUF_OVERLAY_MODIFF (XBUFFER (w->buffer)))) | |
b8009dd1 | 6344 | { |
06a2c219 GM |
6345 | int hpos, vpos, pos, i, area; |
6346 | struct glyph *glyph; | |
b8009dd1 | 6347 | |
06a2c219 GM |
6348 | /* Find the glyph under X/Y. */ |
6349 | glyph = x_y_to_hpos_vpos (w, x, y, &hpos, &vpos, &area); | |
6350 | ||
6351 | /* Clear mouse face if X/Y not over text. */ | |
6352 | if (glyph == NULL | |
6353 | || area != TEXT_AREA | |
6354 | || !MATRIX_ROW (w->current_matrix, vpos)->displays_text_p) | |
b8009dd1 | 6355 | { |
06a2c219 GM |
6356 | clear_mouse_face (dpyinfo); |
6357 | return; | |
6358 | } | |
6359 | ||
6360 | pos = glyph->charpos; | |
6361 | xassert (w->pseudo_window_p || BUFFERP (glyph->object)); | |
6362 | ||
6363 | /* Check for mouse-face and help-echo. */ | |
6364 | { | |
6365 | Lisp_Object mouse_face, overlay, position; | |
6366 | Lisp_Object *overlay_vec; | |
6367 | int len, noverlays; | |
6368 | struct buffer *obuf; | |
6369 | int obegv, ozv; | |
6370 | ||
6371 | /* If we get an out-of-range value, return now; avoid an error. */ | |
6372 | if (pos > BUF_Z (XBUFFER (w->buffer))) | |
6373 | return; | |
6374 | ||
6375 | /* Make the window's buffer temporarily current for | |
6376 | overlays_at and compute_char_face. */ | |
6377 | obuf = current_buffer; | |
6378 | current_buffer = XBUFFER (w->buffer); | |
6379 | obegv = BEGV; | |
6380 | ozv = ZV; | |
6381 | BEGV = BEG; | |
6382 | ZV = Z; | |
6383 | ||
6384 | /* Is this char mouse-active or does it have help-echo? */ | |
6385 | XSETINT (position, pos); | |
6386 | ||
6387 | /* Put all the overlays we want in a vector in overlay_vec. | |
6388 | Store the length in len. If there are more than 10, make | |
6389 | enough space for all, and try again. */ | |
6390 | len = 10; | |
6391 | overlay_vec = (Lisp_Object *) alloca (len * sizeof (Lisp_Object)); | |
6392 | noverlays = overlays_at (pos, 0, &overlay_vec, &len, NULL, NULL); | |
6393 | if (noverlays > len) | |
6394 | { | |
6395 | len = noverlays; | |
6396 | overlay_vec = (Lisp_Object *) alloca (len * sizeof (Lisp_Object)); | |
6397 | noverlays = overlays_at (pos, 0, &overlay_vec, &len, NULL, NULL); | |
6398 | } | |
6399 | ||
6400 | noverlays = sort_overlays (overlay_vec, noverlays, w); | |
6401 | ||
6402 | /* Check mouse-face highlighting. */ | |
6403 | if (! (EQ (window, dpyinfo->mouse_face_window) | |
6404 | && vpos >= dpyinfo->mouse_face_beg_row | |
6405 | && vpos <= dpyinfo->mouse_face_end_row | |
6406 | && (vpos > dpyinfo->mouse_face_beg_row | |
6407 | || hpos >= dpyinfo->mouse_face_beg_col) | |
6408 | && (vpos < dpyinfo->mouse_face_end_row | |
6409 | || hpos < dpyinfo->mouse_face_end_col | |
6410 | || dpyinfo->mouse_face_past_end))) | |
6411 | { | |
6412 | /* Clear the display of the old active region, if any. */ | |
6413 | clear_mouse_face (dpyinfo); | |
6414 | ||
6415 | /* Find the highest priority overlay that has a mouse-face prop. */ | |
6416 | overlay = Qnil; | |
6417 | for (i = 0; i < noverlays; i++) | |
6418 | { | |
6419 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
6420 | if (!NILP (mouse_face)) | |
6421 | { | |
6422 | overlay = overlay_vec[i]; | |
6423 | break; | |
6424 | } | |
6425 | } | |
6426 | ||
6427 | /* If no overlay applies, get a text property. */ | |
6428 | if (NILP (overlay)) | |
6429 | mouse_face = Fget_text_property (position, Qmouse_face, w->buffer); | |
6430 | ||
6431 | /* Handle the overlay case. */ | |
6432 | if (! NILP (overlay)) | |
6433 | { | |
6434 | /* Find the range of text around this char that | |
6435 | should be active. */ | |
6436 | Lisp_Object before, after; | |
6437 | int ignore; | |
6438 | ||
6439 | before = Foverlay_start (overlay); | |
6440 | after = Foverlay_end (overlay); | |
6441 | /* Record this as the current active region. */ | |
6442 | fast_find_position (w, XFASTINT (before), | |
6443 | &dpyinfo->mouse_face_beg_col, | |
6444 | &dpyinfo->mouse_face_beg_row, | |
6445 | &dpyinfo->mouse_face_beg_x, | |
6446 | &dpyinfo->mouse_face_beg_y); | |
6447 | dpyinfo->mouse_face_past_end | |
6448 | = !fast_find_position (w, XFASTINT (after), | |
6449 | &dpyinfo->mouse_face_end_col, | |
6450 | &dpyinfo->mouse_face_end_row, | |
6451 | &dpyinfo->mouse_face_end_x, | |
6452 | &dpyinfo->mouse_face_end_y); | |
6453 | dpyinfo->mouse_face_window = window; | |
6454 | dpyinfo->mouse_face_face_id | |
6455 | = face_at_buffer_position (w, pos, 0, 0, | |
6456 | &ignore, pos + 1, 1); | |
6457 | ||
6458 | /* Display it as active. */ | |
6459 | show_mouse_face (dpyinfo, DRAW_MOUSE_FACE); | |
6460 | } | |
6461 | /* Handle the text property case. */ | |
6462 | else if (! NILP (mouse_face)) | |
6463 | { | |
6464 | /* Find the range of text around this char that | |
6465 | should be active. */ | |
6466 | Lisp_Object before, after, beginning, end; | |
6467 | int ignore; | |
6468 | ||
6469 | beginning = Fmarker_position (w->start); | |
6470 | XSETINT (end, (BUF_Z (XBUFFER (w->buffer)) | |
6471 | - XFASTINT (w->window_end_pos))); | |
6472 | before | |
6473 | = Fprevious_single_property_change (make_number (pos + 1), | |
6474 | Qmouse_face, | |
6475 | w->buffer, beginning); | |
6476 | after | |
6477 | = Fnext_single_property_change (position, Qmouse_face, | |
6478 | w->buffer, end); | |
6479 | /* Record this as the current active region. */ | |
6480 | fast_find_position (w, XFASTINT (before), | |
6481 | &dpyinfo->mouse_face_beg_col, | |
6482 | &dpyinfo->mouse_face_beg_row, | |
6483 | &dpyinfo->mouse_face_beg_x, | |
6484 | &dpyinfo->mouse_face_beg_y); | |
6485 | dpyinfo->mouse_face_past_end | |
6486 | = !fast_find_position (w, XFASTINT (after), | |
6487 | &dpyinfo->mouse_face_end_col, | |
6488 | &dpyinfo->mouse_face_end_row, | |
6489 | &dpyinfo->mouse_face_end_x, | |
6490 | &dpyinfo->mouse_face_end_y); | |
6491 | dpyinfo->mouse_face_window = window; | |
6492 | dpyinfo->mouse_face_face_id | |
6493 | = face_at_buffer_position (w, pos, 0, 0, | |
6494 | &ignore, pos + 1, 1); | |
6495 | ||
6496 | /* Display it as active. */ | |
6497 | show_mouse_face (dpyinfo, DRAW_MOUSE_FACE); | |
6498 | } | |
6499 | } | |
6500 | ||
6501 | /* Look for a `help-echo' property. */ | |
6502 | { | |
6503 | Lisp_Object help; | |
6504 | ||
6505 | /* Check overlays first. */ | |
6506 | help = Qnil; | |
6507 | for (i = 0; i < noverlays && !STRINGP (help); ++i) | |
6508 | help = Foverlay_get (overlay_vec[i], Qhelp_echo); | |
6509 | ||
6510 | /* Try text properties. */ | |
6511 | if (!STRINGP (help) | |
6512 | && ((STRINGP (glyph->object) | |
6513 | && glyph->charpos >= 0 | |
6514 | && glyph->charpos < XSTRING (glyph->object)->size) | |
6515 | || (BUFFERP (glyph->object) | |
6516 | && glyph->charpos >= BEGV | |
6517 | && glyph->charpos < ZV))) | |
6518 | help = Fget_text_property (make_number (glyph->charpos), | |
6519 | Qhelp_echo, glyph->object); | |
6520 | ||
6521 | if (STRINGP (help)) | |
6522 | help_echo = help; | |
6523 | } | |
6524 | ||
6525 | BEGV = obegv; | |
6526 | ZV = ozv; | |
6527 | current_buffer = obuf; | |
6528 | } | |
6529 | } | |
6530 | } | |
6531 | ||
6532 | static void | |
6533 | redo_mouse_highlight () | |
6534 | { | |
6535 | if (!NILP (last_mouse_motion_frame) | |
6536 | && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame))) | |
6537 | note_mouse_highlight (XFRAME (last_mouse_motion_frame), | |
6538 | last_mouse_motion_event.x, | |
6539 | last_mouse_motion_event.y); | |
6540 | } | |
6541 | ||
6542 | ||
6543 | \f | |
6544 | /*********************************************************************** | |
9ea173e8 | 6545 | Tool-bars |
06a2c219 GM |
6546 | ***********************************************************************/ |
6547 | ||
9ea173e8 GM |
6548 | static int x_tool_bar_item P_ ((struct frame *, int, int, |
6549 | struct glyph **, int *, int *, int *)); | |
06a2c219 | 6550 | |
9ea173e8 | 6551 | /* Tool-bar item index of the item on which a mouse button was pressed |
06a2c219 GM |
6552 | or -1. */ |
6553 | ||
9ea173e8 | 6554 | static int last_tool_bar_item; |
06a2c219 GM |
6555 | |
6556 | ||
9ea173e8 GM |
6557 | /* Get information about the tool-bar item at position X/Y on frame F. |
6558 | Return in *GLYPH a pointer to the glyph of the tool-bar item in | |
6559 | the current matrix of the tool-bar window of F, or NULL if not | |
6560 | on a tool-bar item. Return in *PROP_IDX the index of the tool-bar | |
6561 | item in F->current_tool_bar_items. Value is | |
06a2c219 | 6562 | |
9ea173e8 | 6563 | -1 if X/Y is not on a tool-bar item |
06a2c219 GM |
6564 | 0 if X/Y is on the same item that was highlighted before. |
6565 | 1 otherwise. */ | |
6566 | ||
6567 | static int | |
9ea173e8 | 6568 | x_tool_bar_item (f, x, y, glyph, hpos, vpos, prop_idx) |
06a2c219 GM |
6569 | struct frame *f; |
6570 | int x, y; | |
6571 | struct glyph **glyph; | |
6572 | int *hpos, *vpos, *prop_idx; | |
6573 | { | |
6574 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
9ea173e8 | 6575 | struct window *w = XWINDOW (f->tool_bar_window); |
06a2c219 GM |
6576 | int area; |
6577 | ||
6578 | /* Find the glyph under X/Y. */ | |
6579 | *glyph = x_y_to_hpos_vpos (w, x, y, hpos, vpos, &area); | |
6580 | if (*glyph == NULL) | |
6581 | return -1; | |
6582 | ||
9ea173e8 GM |
6583 | /* Get the start of this tool-bar item's properties in |
6584 | f->current_tool_bar_items. */ | |
6585 | if (!tool_bar_item_info (f, *glyph, prop_idx)) | |
06a2c219 GM |
6586 | return -1; |
6587 | ||
6588 | /* Is mouse on the highlighted item? */ | |
9ea173e8 | 6589 | if (EQ (f->tool_bar_window, dpyinfo->mouse_face_window) |
06a2c219 GM |
6590 | && *vpos >= dpyinfo->mouse_face_beg_row |
6591 | && *vpos <= dpyinfo->mouse_face_end_row | |
6592 | && (*vpos > dpyinfo->mouse_face_beg_row | |
6593 | || *hpos >= dpyinfo->mouse_face_beg_col) | |
6594 | && (*vpos < dpyinfo->mouse_face_end_row | |
6595 | || *hpos < dpyinfo->mouse_face_end_col | |
6596 | || dpyinfo->mouse_face_past_end)) | |
6597 | return 0; | |
6598 | ||
6599 | return 1; | |
6600 | } | |
6601 | ||
6602 | ||
9ea173e8 | 6603 | /* Handle mouse button event on the tool-bar of frame F, at |
06a2c219 GM |
6604 | frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress |
6605 | or ButtonRelase. */ | |
6606 | ||
6607 | static void | |
9ea173e8 | 6608 | x_handle_tool_bar_click (f, button_event) |
06a2c219 GM |
6609 | struct frame *f; |
6610 | XButtonEvent *button_event; | |
6611 | { | |
6612 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
9ea173e8 | 6613 | struct window *w = XWINDOW (f->tool_bar_window); |
06a2c219 GM |
6614 | int hpos, vpos, prop_idx; |
6615 | struct glyph *glyph; | |
6616 | Lisp_Object enabled_p; | |
6617 | int x = button_event->x; | |
6618 | int y = button_event->y; | |
6619 | ||
9ea173e8 | 6620 | /* If not on the highlighted tool-bar item, return. */ |
06a2c219 | 6621 | frame_to_window_pixel_xy (w, &x, &y); |
9ea173e8 | 6622 | if (x_tool_bar_item (f, x, y, &glyph, &hpos, &vpos, &prop_idx) != 0) |
06a2c219 GM |
6623 | return; |
6624 | ||
6625 | /* If item is disabled, do nothing. */ | |
9ea173e8 GM |
6626 | enabled_p = (XVECTOR (f->current_tool_bar_items) |
6627 | ->contents[prop_idx + TOOL_BAR_ITEM_ENABLED_P]); | |
06a2c219 GM |
6628 | if (NILP (enabled_p)) |
6629 | return; | |
6630 | ||
6631 | if (button_event->type == ButtonPress) | |
6632 | { | |
6633 | /* Show item in pressed state. */ | |
6634 | show_mouse_face (dpyinfo, DRAW_IMAGE_SUNKEN); | |
6635 | dpyinfo->mouse_face_image_state = DRAW_IMAGE_SUNKEN; | |
9ea173e8 | 6636 | last_tool_bar_item = prop_idx; |
06a2c219 GM |
6637 | } |
6638 | else | |
6639 | { | |
6640 | Lisp_Object key, frame; | |
6641 | struct input_event event; | |
6642 | ||
6643 | /* Show item in released state. */ | |
6644 | show_mouse_face (dpyinfo, DRAW_IMAGE_RAISED); | |
6645 | dpyinfo->mouse_face_image_state = DRAW_IMAGE_RAISED; | |
6646 | ||
9ea173e8 GM |
6647 | key = (XVECTOR (f->current_tool_bar_items) |
6648 | ->contents[prop_idx + TOOL_BAR_ITEM_KEY]); | |
06a2c219 GM |
6649 | |
6650 | XSETFRAME (frame, f); | |
9ea173e8 GM |
6651 | event.kind = TOOL_BAR_EVENT; |
6652 | event.frame_or_window = Fcons (frame, Fcons (Qtool_bar, Qnil)); | |
06a2c219 GM |
6653 | kbd_buffer_store_event (&event); |
6654 | ||
9ea173e8 | 6655 | event.kind = TOOL_BAR_EVENT; |
06a2c219 GM |
6656 | event.frame_or_window = Fcons (frame, key); |
6657 | event.modifiers = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), | |
6658 | button_event->state); | |
6659 | kbd_buffer_store_event (&event); | |
9ea173e8 | 6660 | last_tool_bar_item = -1; |
06a2c219 GM |
6661 | } |
6662 | } | |
6663 | ||
6664 | ||
9ea173e8 GM |
6665 | /* Possibly highlight a tool-bar item on frame F when mouse moves to |
6666 | tool-bar window-relative coordinates X/Y. Called from | |
06a2c219 GM |
6667 | note_mouse_highlight. */ |
6668 | ||
6669 | static void | |
9ea173e8 | 6670 | note_tool_bar_highlight (f, x, y) |
06a2c219 GM |
6671 | struct frame *f; |
6672 | int x, y; | |
6673 | { | |
9ea173e8 | 6674 | Lisp_Object window = f->tool_bar_window; |
06a2c219 GM |
6675 | struct window *w = XWINDOW (window); |
6676 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
6677 | int hpos, vpos; | |
6678 | struct glyph *glyph; | |
6679 | struct glyph_row *row; | |
5c187dee | 6680 | int i; |
06a2c219 GM |
6681 | Lisp_Object enabled_p; |
6682 | int prop_idx; | |
6683 | enum draw_glyphs_face draw = DRAW_IMAGE_RAISED; | |
5c187dee | 6684 | int mouse_down_p, rc; |
06a2c219 GM |
6685 | |
6686 | /* Function note_mouse_highlight is called with negative x(y | |
6687 | values when mouse moves outside of the frame. */ | |
6688 | if (x <= 0 || y <= 0) | |
6689 | { | |
6690 | clear_mouse_face (dpyinfo); | |
6691 | return; | |
6692 | } | |
6693 | ||
9ea173e8 | 6694 | rc = x_tool_bar_item (f, x, y, &glyph, &hpos, &vpos, &prop_idx); |
06a2c219 GM |
6695 | if (rc < 0) |
6696 | { | |
9ea173e8 | 6697 | /* Not on tool-bar item. */ |
06a2c219 GM |
6698 | clear_mouse_face (dpyinfo); |
6699 | return; | |
6700 | } | |
6701 | else if (rc == 0) | |
9ea173e8 | 6702 | /* On same tool-bar item as before. */ |
06a2c219 | 6703 | goto set_help_echo; |
b8009dd1 | 6704 | |
06a2c219 GM |
6705 | clear_mouse_face (dpyinfo); |
6706 | ||
9ea173e8 | 6707 | /* Mouse is down, but on different tool-bar item? */ |
06a2c219 GM |
6708 | mouse_down_p = (dpyinfo->grabbed |
6709 | && f == last_mouse_frame | |
6710 | && FRAME_LIVE_P (f)); | |
6711 | if (mouse_down_p | |
9ea173e8 | 6712 | && last_tool_bar_item != prop_idx) |
06a2c219 GM |
6713 | return; |
6714 | ||
6715 | dpyinfo->mouse_face_image_state = DRAW_NORMAL_TEXT; | |
6716 | draw = mouse_down_p ? DRAW_IMAGE_SUNKEN : DRAW_IMAGE_RAISED; | |
6717 | ||
9ea173e8 GM |
6718 | /* If tool-bar item is not enabled, don't highlight it. */ |
6719 | enabled_p = (XVECTOR (f->current_tool_bar_items) | |
6720 | ->contents[prop_idx + TOOL_BAR_ITEM_ENABLED_P]); | |
06a2c219 GM |
6721 | if (!NILP (enabled_p)) |
6722 | { | |
6723 | /* Compute the x-position of the glyph. In front and past the | |
6724 | image is a space. We include this is the highlighted area. */ | |
6725 | row = MATRIX_ROW (w->current_matrix, vpos); | |
6726 | for (i = x = 0; i < hpos; ++i) | |
6727 | x += row->glyphs[TEXT_AREA][i].pixel_width; | |
6728 | ||
6729 | /* Record this as the current active region. */ | |
6730 | dpyinfo->mouse_face_beg_col = hpos; | |
6731 | dpyinfo->mouse_face_beg_row = vpos; | |
6732 | dpyinfo->mouse_face_beg_x = x; | |
6733 | dpyinfo->mouse_face_beg_y = row->y; | |
6734 | dpyinfo->mouse_face_past_end = 0; | |
6735 | ||
6736 | dpyinfo->mouse_face_end_col = hpos + 1; | |
6737 | dpyinfo->mouse_face_end_row = vpos; | |
6738 | dpyinfo->mouse_face_end_x = x + glyph->pixel_width; | |
6739 | dpyinfo->mouse_face_end_y = row->y; | |
6740 | dpyinfo->mouse_face_window = window; | |
9ea173e8 | 6741 | dpyinfo->mouse_face_face_id = TOOL_BAR_FACE_ID; |
06a2c219 GM |
6742 | |
6743 | /* Display it as active. */ | |
6744 | show_mouse_face (dpyinfo, draw); | |
6745 | dpyinfo->mouse_face_image_state = draw; | |
b8009dd1 | 6746 | } |
06a2c219 GM |
6747 | |
6748 | set_help_echo: | |
6749 | ||
9ea173e8 | 6750 | /* Set help_echo to a help string.to display for this tool-bar item. |
06a2c219 | 6751 | XTread_socket does the rest. */ |
9ea173e8 GM |
6752 | help_echo = (XVECTOR (f->current_tool_bar_items) |
6753 | ->contents[prop_idx + TOOL_BAR_ITEM_HELP]); | |
06a2c219 | 6754 | if (!STRINGP (help_echo)) |
9ea173e8 GM |
6755 | help_echo = (XVECTOR (f->current_tool_bar_items) |
6756 | ->contents[prop_idx + TOOL_BAR_ITEM_CAPTION]); | |
b8009dd1 | 6757 | } |
4d73d038 | 6758 | |
06a2c219 GM |
6759 | |
6760 | \f | |
6761 | /* Find the glyph matrix position of buffer position POS in window W. | |
6762 | *HPOS, *VPOS, *X, and *Y are set to the positions found. W's | |
6763 | current glyphs must be up to date. If POS is above window start | |
6764 | return (0, 0, 0, 0). If POS is after end of W, return end of | |
6765 | last line in W. */ | |
b8009dd1 RS |
6766 | |
6767 | static int | |
06a2c219 GM |
6768 | fast_find_position (w, pos, hpos, vpos, x, y) |
6769 | struct window *w; | |
b8009dd1 | 6770 | int pos; |
06a2c219 | 6771 | int *hpos, *vpos, *x, *y; |
b8009dd1 | 6772 | { |
b8009dd1 | 6773 | int i; |
bf1c0ba1 | 6774 | int lastcol; |
06a2c219 GM |
6775 | int maybe_next_line_p = 0; |
6776 | int line_start_position; | |
6777 | int yb = window_text_bottom_y (w); | |
6778 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, 0); | |
6779 | struct glyph_row *best_row = row; | |
6780 | int row_vpos = 0, best_row_vpos = 0; | |
6781 | int current_x; | |
6782 | ||
6783 | while (row->y < yb) | |
b8009dd1 | 6784 | { |
06a2c219 GM |
6785 | if (row->used[TEXT_AREA]) |
6786 | line_start_position = row->glyphs[TEXT_AREA]->charpos; | |
6787 | else | |
6788 | line_start_position = 0; | |
6789 | ||
6790 | if (line_start_position > pos) | |
b8009dd1 | 6791 | break; |
77b68646 RS |
6792 | /* If the position sought is the end of the buffer, |
6793 | don't include the blank lines at the bottom of the window. */ | |
06a2c219 GM |
6794 | else if (line_start_position == pos |
6795 | && pos == BUF_ZV (XBUFFER (w->buffer))) | |
77b68646 | 6796 | { |
06a2c219 | 6797 | maybe_next_line_p = 1; |
77b68646 RS |
6798 | break; |
6799 | } | |
06a2c219 GM |
6800 | else if (line_start_position > 0) |
6801 | { | |
6802 | best_row = row; | |
6803 | best_row_vpos = row_vpos; | |
6804 | } | |
4b0bb6f3 GM |
6805 | |
6806 | if (row->y + row->height >= yb) | |
6807 | break; | |
06a2c219 GM |
6808 | |
6809 | ++row; | |
6810 | ++row_vpos; | |
b8009dd1 | 6811 | } |
06a2c219 GM |
6812 | |
6813 | /* Find the right column within BEST_ROW. */ | |
6814 | lastcol = 0; | |
6815 | current_x = best_row->x; | |
6816 | for (i = 0; i < best_row->used[TEXT_AREA]; i++) | |
bf1c0ba1 | 6817 | { |
06a2c219 GM |
6818 | struct glyph *glyph = best_row->glyphs[TEXT_AREA] + i; |
6819 | int charpos; | |
6820 | ||
6821 | charpos = glyph->charpos; | |
6822 | if (charpos == pos) | |
bf1c0ba1 | 6823 | { |
06a2c219 GM |
6824 | *hpos = i; |
6825 | *vpos = best_row_vpos; | |
6826 | *x = current_x; | |
6827 | *y = best_row->y; | |
bf1c0ba1 RS |
6828 | return 1; |
6829 | } | |
06a2c219 | 6830 | else if (charpos > pos) |
4d73d038 | 6831 | break; |
06a2c219 GM |
6832 | else if (charpos > 0) |
6833 | lastcol = i; | |
6834 | ||
6835 | current_x += glyph->pixel_width; | |
bf1c0ba1 | 6836 | } |
b8009dd1 | 6837 | |
77b68646 RS |
6838 | /* If we're looking for the end of the buffer, |
6839 | and we didn't find it in the line we scanned, | |
6840 | use the start of the following line. */ | |
06a2c219 | 6841 | if (maybe_next_line_p) |
77b68646 | 6842 | { |
06a2c219 GM |
6843 | ++best_row; |
6844 | ++best_row_vpos; | |
6845 | lastcol = 0; | |
6846 | current_x = best_row->x; | |
77b68646 RS |
6847 | } |
6848 | ||
06a2c219 GM |
6849 | *vpos = best_row_vpos; |
6850 | *hpos = lastcol + 1; | |
6851 | *x = current_x; | |
6852 | *y = best_row->y; | |
b8009dd1 RS |
6853 | return 0; |
6854 | } | |
6855 | ||
06a2c219 | 6856 | |
b8009dd1 RS |
6857 | /* Display the active region described by mouse_face_* |
6858 | in its mouse-face if HL > 0, in its normal face if HL = 0. */ | |
6859 | ||
6860 | static void | |
06a2c219 | 6861 | show_mouse_face (dpyinfo, draw) |
7a13e894 | 6862 | struct x_display_info *dpyinfo; |
06a2c219 | 6863 | enum draw_glyphs_face draw; |
b8009dd1 | 6864 | { |
7a13e894 | 6865 | struct window *w = XWINDOW (dpyinfo->mouse_face_window); |
06a2c219 | 6866 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
b8009dd1 | 6867 | int i; |
06a2c219 GM |
6868 | int cursor_off_p = 0; |
6869 | struct cursor_pos saved_cursor; | |
6870 | ||
6871 | saved_cursor = output_cursor; | |
6872 | ||
6873 | /* If window is in the process of being destroyed, don't bother | |
6874 | to do anything. */ | |
6875 | if (w->current_matrix == NULL) | |
6876 | goto set_x_cursor; | |
6877 | ||
6878 | /* Recognize when we are called to operate on rows that don't exist | |
6879 | anymore. This can happen when a window is split. */ | |
6880 | if (dpyinfo->mouse_face_end_row >= w->current_matrix->nrows) | |
6881 | goto set_x_cursor; | |
6882 | ||
6883 | set_output_cursor (&w->phys_cursor); | |
6884 | ||
6885 | /* Note that mouse_face_beg_row etc. are window relative. */ | |
6886 | for (i = dpyinfo->mouse_face_beg_row; | |
6887 | i <= dpyinfo->mouse_face_end_row; | |
6888 | i++) | |
6889 | { | |
6890 | int start_hpos, end_hpos, start_x; | |
6891 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, i); | |
6892 | ||
6893 | /* Don't do anything if row doesn't have valid contents. */ | |
6894 | if (!row->enabled_p) | |
6895 | continue; | |
6896 | ||
6897 | /* For all but the first row, the highlight starts at column 0. */ | |
6898 | if (i == dpyinfo->mouse_face_beg_row) | |
6899 | { | |
6900 | start_hpos = dpyinfo->mouse_face_beg_col; | |
6901 | start_x = dpyinfo->mouse_face_beg_x; | |
6902 | } | |
6903 | else | |
6904 | { | |
6905 | start_hpos = 0; | |
6906 | start_x = 0; | |
6907 | } | |
6908 | ||
6909 | if (i == dpyinfo->mouse_face_end_row) | |
6910 | end_hpos = dpyinfo->mouse_face_end_col; | |
6911 | else | |
6912 | end_hpos = row->used[TEXT_AREA]; | |
6913 | ||
6914 | /* If the cursor's in the text we are about to rewrite, turn the | |
6915 | cursor off. */ | |
6916 | if (!w->pseudo_window_p | |
6917 | && i == output_cursor.vpos | |
6918 | && output_cursor.hpos >= start_hpos - 1 | |
6919 | && output_cursor.hpos <= end_hpos) | |
514e4681 | 6920 | { |
06a2c219 GM |
6921 | x_update_window_cursor (w, 0); |
6922 | cursor_off_p = 1; | |
514e4681 | 6923 | } |
b8009dd1 | 6924 | |
06a2c219 | 6925 | if (end_hpos > start_hpos) |
54a91a0f | 6926 | x_draw_glyphs (w, start_x, row, TEXT_AREA, |
66ac4b0e | 6927 | start_hpos, end_hpos, draw, NULL, NULL, 0); |
b8009dd1 RS |
6928 | } |
6929 | ||
514e4681 | 6930 | /* If we turned the cursor off, turn it back on. */ |
06a2c219 GM |
6931 | if (cursor_off_p) |
6932 | x_display_cursor (w, 1, | |
6933 | output_cursor.hpos, output_cursor.vpos, | |
6934 | output_cursor.x, output_cursor.y); | |
2729a2b5 | 6935 | |
06a2c219 | 6936 | output_cursor = saved_cursor; |
fb3b7de5 | 6937 | |
06a2c219 GM |
6938 | set_x_cursor: |
6939 | ||
6940 | /* Change the mouse cursor. */ | |
6941 | if (draw == DRAW_NORMAL_TEXT) | |
6942 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
6943 | f->output_data.x->text_cursor); | |
6944 | else if (draw == DRAW_MOUSE_FACE) | |
334208b7 | 6945 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 6946 | f->output_data.x->cross_cursor); |
27ead1d5 | 6947 | else |
334208b7 | 6948 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
06a2c219 | 6949 | f->output_data.x->nontext_cursor); |
b8009dd1 RS |
6950 | } |
6951 | ||
6952 | /* Clear out the mouse-highlighted active region. | |
06a2c219 | 6953 | Redraw it un-highlighted first. */ |
b8009dd1 | 6954 | |
06a2c219 | 6955 | void |
7a13e894 RS |
6956 | clear_mouse_face (dpyinfo) |
6957 | struct x_display_info *dpyinfo; | |
b8009dd1 | 6958 | { |
06a2c219 GM |
6959 | if (tip_frame) |
6960 | return; | |
6961 | ||
7a13e894 | 6962 | if (! NILP (dpyinfo->mouse_face_window)) |
06a2c219 | 6963 | show_mouse_face (dpyinfo, DRAW_NORMAL_TEXT); |
b8009dd1 | 6964 | |
7a13e894 RS |
6965 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; |
6966 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
6967 | dpyinfo->mouse_face_window = Qnil; | |
b8009dd1 | 6968 | } |
e687d06e RS |
6969 | |
6970 | /* Just discard the mouse face information for frame F, if any. | |
6971 | This is used when the size of F is changed. */ | |
6972 | ||
dfcf069d | 6973 | void |
e687d06e RS |
6974 | cancel_mouse_face (f) |
6975 | FRAME_PTR f; | |
6976 | { | |
6977 | Lisp_Object window; | |
6978 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
6979 | ||
6980 | window = dpyinfo->mouse_face_window; | |
6981 | if (! NILP (window) && XFRAME (XWINDOW (window)->frame) == f) | |
6982 | { | |
6983 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
6984 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
6985 | dpyinfo->mouse_face_window = Qnil; | |
6986 | } | |
6987 | } | |
b8009dd1 | 6988 | \f |
ab648270 JB |
6989 | static struct scroll_bar *x_window_to_scroll_bar (); |
6990 | static void x_scroll_bar_report_motion (); | |
12ba150f | 6991 | |
90e65f07 | 6992 | /* Return the current position of the mouse. |
2d7fc7e8 | 6993 | *fp should be a frame which indicates which display to ask about. |
90e65f07 | 6994 | |
2d7fc7e8 | 6995 | If the mouse movement started in a scroll bar, set *fp, *bar_window, |
ab648270 | 6996 | and *part to the frame, window, and scroll bar part that the mouse |
12ba150f | 6997 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 6998 | position on the scroll bar. |
12ba150f | 6999 | |
2d7fc7e8 | 7000 | If the mouse movement started elsewhere, set *fp to the frame the |
12ba150f JB |
7001 | mouse is on, *bar_window to nil, and *x and *y to the character cell |
7002 | the mouse is over. | |
7003 | ||
06a2c219 | 7004 | Set *time to the server time-stamp for the time at which the mouse |
12ba150f JB |
7005 | was at this position. |
7006 | ||
a135645a RS |
7007 | Don't store anything if we don't have a valid set of values to report. |
7008 | ||
90e65f07 | 7009 | This clears the mouse_moved flag, so we can wait for the next mouse |
f5bb65ec | 7010 | movement. */ |
90e65f07 JB |
7011 | |
7012 | static void | |
1cf412ec | 7013 | XTmouse_position (fp, insist, bar_window, part, x, y, time) |
334208b7 | 7014 | FRAME_PTR *fp; |
1cf412ec | 7015 | int insist; |
12ba150f | 7016 | Lisp_Object *bar_window; |
ab648270 | 7017 | enum scroll_bar_part *part; |
90e65f07 | 7018 | Lisp_Object *x, *y; |
e5d77022 | 7019 | unsigned long *time; |
90e65f07 | 7020 | { |
a135645a RS |
7021 | FRAME_PTR f1; |
7022 | ||
90e65f07 JB |
7023 | BLOCK_INPUT; |
7024 | ||
8bcee03e | 7025 | if (! NILP (last_mouse_scroll_bar) && insist == 0) |
334208b7 | 7026 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time); |
90e65f07 JB |
7027 | else |
7028 | { | |
12ba150f JB |
7029 | Window root; |
7030 | int root_x, root_y; | |
90e65f07 | 7031 | |
12ba150f JB |
7032 | Window dummy_window; |
7033 | int dummy; | |
7034 | ||
39d8bb4d KH |
7035 | Lisp_Object frame, tail; |
7036 | ||
7037 | /* Clear the mouse-moved flag for every frame on this display. */ | |
7038 | FOR_EACH_FRAME (tail, frame) | |
7039 | if (FRAME_X_DISPLAY (XFRAME (frame)) == FRAME_X_DISPLAY (*fp)) | |
7040 | XFRAME (frame)->mouse_moved = 0; | |
7041 | ||
ab648270 | 7042 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
7043 | |
7044 | /* Figure out which root window we're on. */ | |
334208b7 RS |
7045 | XQueryPointer (FRAME_X_DISPLAY (*fp), |
7046 | DefaultRootWindow (FRAME_X_DISPLAY (*fp)), | |
12ba150f JB |
7047 | |
7048 | /* The root window which contains the pointer. */ | |
7049 | &root, | |
7050 | ||
7051 | /* Trash which we can't trust if the pointer is on | |
7052 | a different screen. */ | |
7053 | &dummy_window, | |
7054 | ||
7055 | /* The position on that root window. */ | |
58769bee | 7056 | &root_x, &root_y, |
12ba150f JB |
7057 | |
7058 | /* More trash we can't trust. */ | |
7059 | &dummy, &dummy, | |
7060 | ||
7061 | /* Modifier keys and pointer buttons, about which | |
7062 | we don't care. */ | |
7063 | (unsigned int *) &dummy); | |
7064 | ||
7065 | /* Now we have a position on the root; find the innermost window | |
7066 | containing the pointer. */ | |
7067 | { | |
7068 | Window win, child; | |
7069 | int win_x, win_y; | |
06a2c219 | 7070 | int parent_x = 0, parent_y = 0; |
e99db5a1 | 7071 | int count; |
12ba150f JB |
7072 | |
7073 | win = root; | |
69388238 | 7074 | |
2d7fc7e8 RS |
7075 | /* XTranslateCoordinates can get errors if the window |
7076 | structure is changing at the same time this function | |
7077 | is running. So at least we must not crash from them. */ | |
7078 | ||
e99db5a1 | 7079 | count = x_catch_errors (FRAME_X_DISPLAY (*fp)); |
2d7fc7e8 | 7080 | |
334208b7 | 7081 | if (FRAME_X_DISPLAY_INFO (*fp)->grabbed && last_mouse_frame |
23faf38f | 7082 | && FRAME_LIVE_P (last_mouse_frame)) |
12ba150f | 7083 | { |
69388238 RS |
7084 | /* If mouse was grabbed on a frame, give coords for that frame |
7085 | even if the mouse is now outside it. */ | |
334208b7 | 7086 | XTranslateCoordinates (FRAME_X_DISPLAY (*fp), |
69388238 | 7087 | |
12ba150f | 7088 | /* From-window, to-window. */ |
69388238 | 7089 | root, FRAME_X_WINDOW (last_mouse_frame), |
12ba150f JB |
7090 | |
7091 | /* From-position, to-position. */ | |
7092 | root_x, root_y, &win_x, &win_y, | |
7093 | ||
7094 | /* Child of win. */ | |
7095 | &child); | |
69388238 RS |
7096 | f1 = last_mouse_frame; |
7097 | } | |
7098 | else | |
7099 | { | |
7100 | while (1) | |
7101 | { | |
334208b7 | 7102 | XTranslateCoordinates (FRAME_X_DISPLAY (*fp), |
12ba150f | 7103 | |
69388238 RS |
7104 | /* From-window, to-window. */ |
7105 | root, win, | |
12ba150f | 7106 | |
69388238 RS |
7107 | /* From-position, to-position. */ |
7108 | root_x, root_y, &win_x, &win_y, | |
7109 | ||
7110 | /* Child of win. */ | |
7111 | &child); | |
7112 | ||
9af3143a | 7113 | if (child == None || child == win) |
69388238 RS |
7114 | break; |
7115 | ||
7116 | win = child; | |
7117 | parent_x = win_x; | |
7118 | parent_y = win_y; | |
7119 | } | |
12ba150f | 7120 | |
69388238 RS |
7121 | /* Now we know that: |
7122 | win is the innermost window containing the pointer | |
7123 | (XTC says it has no child containing the pointer), | |
7124 | win_x and win_y are the pointer's position in it | |
7125 | (XTC did this the last time through), and | |
7126 | parent_x and parent_y are the pointer's position in win's parent. | |
7127 | (They are what win_x and win_y were when win was child. | |
7128 | If win is the root window, it has no parent, and | |
7129 | parent_{x,y} are invalid, but that's okay, because we'll | |
7130 | never use them in that case.) */ | |
7131 | ||
7132 | /* Is win one of our frames? */ | |
19126e11 | 7133 | f1 = x_any_window_to_frame (FRAME_X_DISPLAY_INFO (*fp), win); |
69388238 | 7134 | } |
58769bee | 7135 | |
2d7fc7e8 RS |
7136 | if (x_had_errors_p (FRAME_X_DISPLAY (*fp))) |
7137 | f1 = 0; | |
7138 | ||
e99db5a1 | 7139 | x_uncatch_errors (FRAME_X_DISPLAY (*fp), count); |
2d7fc7e8 | 7140 | |
ab648270 | 7141 | /* If not, is it one of our scroll bars? */ |
a135645a | 7142 | if (! f1) |
12ba150f | 7143 | { |
ab648270 | 7144 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
7145 | |
7146 | if (bar) | |
7147 | { | |
a135645a | 7148 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
12ba150f JB |
7149 | win_x = parent_x; |
7150 | win_y = parent_y; | |
7151 | } | |
7152 | } | |
90e65f07 | 7153 | |
8bcee03e | 7154 | if (f1 == 0 && insist > 0) |
b86bd3dd | 7155 | f1 = SELECTED_FRAME (); |
1cf412ec | 7156 | |
a135645a | 7157 | if (f1) |
12ba150f | 7158 | { |
06a2c219 GM |
7159 | /* Ok, we found a frame. Store all the values. |
7160 | last_mouse_glyph is a rectangle used to reduce the | |
7161 | generation of mouse events. To not miss any motion | |
7162 | events, we must divide the frame into rectangles of the | |
7163 | size of the smallest character that could be displayed | |
7164 | on it, i.e. into the same rectangles that matrices on | |
7165 | the frame are divided into. */ | |
7166 | ||
7167 | #if OLD_REDISPLAY_CODE | |
2b5c9e71 | 7168 | int ignore1, ignore2; |
2b5c9e71 | 7169 | pixel_to_glyph_coords (f1, win_x, win_y, &ignore1, &ignore2, |
334208b7 | 7170 | &last_mouse_glyph, |
1cf412ec RS |
7171 | FRAME_X_DISPLAY_INFO (f1)->grabbed |
7172 | || insist); | |
06a2c219 GM |
7173 | #else |
7174 | { | |
7175 | int width = FRAME_SMALLEST_CHAR_WIDTH (f1); | |
7176 | int height = FRAME_SMALLEST_FONT_HEIGHT (f1); | |
7177 | int x = win_x; | |
7178 | int y = win_y; | |
7179 | ||
7180 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to | |
7181 | round down even for negative values. */ | |
7182 | if (x < 0) | |
7183 | x -= width - 1; | |
7184 | if (y < 0) | |
7185 | y -= height - 1; | |
7186 | ||
7187 | last_mouse_glyph.width = width; | |
7188 | last_mouse_glyph.height = height; | |
7189 | last_mouse_glyph.x = (x + width - 1) / width * width; | |
7190 | last_mouse_glyph.y = (y + height - 1) / height * height; | |
7191 | } | |
7192 | #endif | |
12ba150f JB |
7193 | |
7194 | *bar_window = Qnil; | |
7195 | *part = 0; | |
334208b7 | 7196 | *fp = f1; |
e0c1aef2 KH |
7197 | XSETINT (*x, win_x); |
7198 | XSETINT (*y, win_y); | |
12ba150f JB |
7199 | *time = last_mouse_movement_time; |
7200 | } | |
7201 | } | |
7202 | } | |
90e65f07 JB |
7203 | |
7204 | UNBLOCK_INPUT; | |
7205 | } | |
f451eb13 | 7206 | |
06a2c219 | 7207 | |
06a2c219 | 7208 | #ifdef USE_X_TOOLKIT |
bffcfca9 GM |
7209 | |
7210 | /* Atimer callback function for TIMER. Called every 0.1s to process | |
7211 | Xt timeouts, if needed. We must avoid calling XtAppPending as | |
7212 | much as possible because that function does an implicit XFlush | |
7213 | that slows us down. */ | |
7214 | ||
7215 | static void | |
7216 | x_process_timeouts (timer) | |
7217 | struct atimer *timer; | |
7218 | { | |
7219 | if (toolkit_scroll_bar_interaction || popup_activated_flag) | |
7220 | { | |
7221 | BLOCK_INPUT; | |
7222 | while (XtAppPending (Xt_app_con) & XtIMTimer) | |
7223 | XtAppProcessEvent (Xt_app_con, XtIMTimer); | |
7224 | UNBLOCK_INPUT; | |
7225 | } | |
06a2c219 GM |
7226 | } |
7227 | ||
bffcfca9 | 7228 | #endif /* USE_X_TOOLKIT */ |
06a2c219 GM |
7229 | |
7230 | \f | |
7231 | /* Scroll bar support. */ | |
7232 | ||
7233 | /* Given an X window ID, find the struct scroll_bar which manages it. | |
7234 | This can be called in GC, so we have to make sure to strip off mark | |
7235 | bits. */ | |
bffcfca9 | 7236 | |
06a2c219 GM |
7237 | static struct scroll_bar * |
7238 | x_window_to_scroll_bar (window_id) | |
7239 | Window window_id; | |
7240 | { | |
7241 | Lisp_Object tail; | |
7242 | ||
7243 | for (tail = Vframe_list; | |
7244 | XGCTYPE (tail) == Lisp_Cons; | |
8e713be6 | 7245 | tail = XCDR (tail)) |
06a2c219 GM |
7246 | { |
7247 | Lisp_Object frame, bar, condemned; | |
7248 | ||
8e713be6 | 7249 | frame = XCAR (tail); |
06a2c219 GM |
7250 | /* All elements of Vframe_list should be frames. */ |
7251 | if (! GC_FRAMEP (frame)) | |
7252 | abort (); | |
7253 | ||
7254 | /* Scan this frame's scroll bar list for a scroll bar with the | |
7255 | right window ID. */ | |
7256 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); | |
7257 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
7258 | /* This trick allows us to search both the ordinary and | |
7259 | condemned scroll bar lists with one loop. */ | |
7260 | ! GC_NILP (bar) || (bar = condemned, | |
7261 | condemned = Qnil, | |
7262 | ! GC_NILP (bar)); | |
7263 | bar = XSCROLL_BAR (bar)->next) | |
7264 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) | |
7265 | return XSCROLL_BAR (bar); | |
7266 | } | |
7267 | ||
7268 | return 0; | |
7269 | } | |
7270 | ||
7271 | ||
7272 | \f | |
7273 | /************************************************************************ | |
7274 | Toolkit scroll bars | |
7275 | ************************************************************************/ | |
7276 | ||
7277 | #if USE_TOOLKIT_SCROLL_BARS | |
7278 | ||
7279 | static void x_scroll_bar_to_input_event P_ ((XEvent *, struct input_event *)); | |
7280 | static void x_send_scroll_bar_event P_ ((Lisp_Object, int, int, int)); | |
7281 | static void x_create_toolkit_scroll_bar P_ ((struct frame *, | |
7282 | struct scroll_bar *)); | |
7283 | static void x_set_toolkit_scroll_bar_thumb P_ ((struct scroll_bar *, | |
7284 | int, int, int)); | |
7285 | ||
7286 | ||
7287 | /* Id of action hook installed for scroll bars. */ | |
7288 | ||
7289 | static XtActionHookId action_hook_id; | |
7290 | ||
7291 | /* Lisp window being scrolled. Set when starting to interact with | |
7292 | a toolkit scroll bar, reset to nil when ending the interaction. */ | |
7293 | ||
7294 | static Lisp_Object window_being_scrolled; | |
7295 | ||
7296 | /* Last scroll bar part sent in xm_scroll_callback. */ | |
7297 | ||
7298 | static int last_scroll_bar_part; | |
7299 | ||
ec18280f SM |
7300 | /* Whether this is an Xaw with arrow-scrollbars. This should imply |
7301 | that movements of 1/20 of the screen size are mapped to up/down. */ | |
7302 | ||
7303 | static Boolean xaw3d_arrow_scroll; | |
7304 | ||
7305 | /* Whether the drag scrolling maintains the mouse at the top of the | |
7306 | thumb. If not, resizing the thumb needs to be done more carefully | |
7307 | to avoid jerkyness. */ | |
7308 | ||
7309 | static Boolean xaw3d_pick_top; | |
7310 | ||
06a2c219 GM |
7311 | |
7312 | /* Action hook installed via XtAppAddActionHook when toolkit scroll | |
ec18280f | 7313 | bars are used.. The hook is responsible for detecting when |
06a2c219 GM |
7314 | the user ends an interaction with the scroll bar, and generates |
7315 | a `end-scroll' scroll_bar_click' event if so. */ | |
7316 | ||
7317 | static void | |
7318 | xt_action_hook (widget, client_data, action_name, event, params, | |
7319 | num_params) | |
7320 | Widget widget; | |
7321 | XtPointer client_data; | |
7322 | String action_name; | |
7323 | XEvent *event; | |
7324 | String *params; | |
7325 | Cardinal *num_params; | |
7326 | { | |
7327 | int scroll_bar_p; | |
7328 | char *end_action; | |
7329 | ||
7330 | #ifdef USE_MOTIF | |
7331 | scroll_bar_p = XmIsScrollBar (widget); | |
7332 | end_action = "Release"; | |
ec18280f | 7333 | #else /* !USE_MOTIF i.e. use Xaw */ |
06a2c219 GM |
7334 | scroll_bar_p = XtIsSubclass (widget, scrollbarWidgetClass); |
7335 | end_action = "EndScroll"; | |
ec18280f | 7336 | #endif /* USE_MOTIF */ |
06a2c219 | 7337 | |
06a2c219 GM |
7338 | if (scroll_bar_p |
7339 | && strcmp (action_name, end_action) == 0 | |
7340 | && WINDOWP (window_being_scrolled)) | |
7341 | { | |
7342 | struct window *w; | |
7343 | ||
7344 | x_send_scroll_bar_event (window_being_scrolled, | |
7345 | scroll_bar_end_scroll, 0, 0); | |
7346 | w = XWINDOW (window_being_scrolled); | |
7347 | XSCROLL_BAR (w->vertical_scroll_bar)->dragging = Qnil; | |
7348 | window_being_scrolled = Qnil; | |
7349 | last_scroll_bar_part = -1; | |
bffcfca9 GM |
7350 | |
7351 | /* Xt timeouts no longer needed. */ | |
7352 | toolkit_scroll_bar_interaction = 0; | |
06a2c219 GM |
7353 | } |
7354 | } | |
7355 | ||
7356 | ||
7357 | /* Send a client message with message type Xatom_Scrollbar for a | |
7358 | scroll action to the frame of WINDOW. PART is a value identifying | |
7359 | the part of the scroll bar that was clicked on. PORTION is the | |
7360 | amount to scroll of a whole of WHOLE. */ | |
7361 | ||
7362 | static void | |
7363 | x_send_scroll_bar_event (window, part, portion, whole) | |
7364 | Lisp_Object window; | |
7365 | int part, portion, whole; | |
7366 | { | |
7367 | XEvent event; | |
7368 | XClientMessageEvent *ev = (XClientMessageEvent *) &event; | |
7369 | struct frame *f = XFRAME (XWINDOW (window)->frame); | |
7370 | ||
7371 | /* Construct a ClientMessage event to send to the frame. */ | |
7372 | ev->type = ClientMessage; | |
7373 | ev->message_type = FRAME_X_DISPLAY_INFO (f)->Xatom_Scrollbar; | |
7374 | ev->display = FRAME_X_DISPLAY (f); | |
7375 | ev->window = FRAME_X_WINDOW (f); | |
7376 | ev->format = 32; | |
7377 | ev->data.l[0] = (long) window; | |
7378 | ev->data.l[1] = (long) part; | |
7379 | ev->data.l[2] = (long) 0; | |
7380 | ev->data.l[3] = (long) portion; | |
7381 | ev->data.l[4] = (long) whole; | |
7382 | ||
bffcfca9 GM |
7383 | /* Make Xt timeouts work while the scroll bar is active. */ |
7384 | toolkit_scroll_bar_interaction = 1; | |
7385 | ||
06a2c219 GM |
7386 | /* Setting the event mask to zero means that the message will |
7387 | be sent to the client that created the window, and if that | |
7388 | window no longer exists, no event will be sent. */ | |
7389 | BLOCK_INPUT; | |
7390 | XSendEvent (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), False, 0, &event); | |
7391 | UNBLOCK_INPUT; | |
7392 | } | |
7393 | ||
7394 | ||
7395 | /* Transform a scroll bar ClientMessage EVENT to an Emacs input event | |
7396 | in *IEVENT. */ | |
7397 | ||
7398 | static void | |
7399 | x_scroll_bar_to_input_event (event, ievent) | |
7400 | XEvent *event; | |
7401 | struct input_event *ievent; | |
7402 | { | |
7403 | XClientMessageEvent *ev = (XClientMessageEvent *) event; | |
7404 | Lisp_Object window = (Lisp_Object) ev->data.l[0]; | |
7405 | struct frame *f = XFRAME (XWINDOW (window)->frame); | |
7406 | ||
7407 | ievent->kind = scroll_bar_click; | |
7408 | ievent->frame_or_window = window; | |
7409 | ievent->timestamp = XtLastTimestampProcessed (FRAME_X_DISPLAY (f)); | |
7410 | ievent->part = ev->data.l[1]; | |
7411 | ievent->code = ev->data.l[2]; | |
7412 | ievent->x = make_number ((int) ev->data.l[3]); | |
7413 | ievent->y = make_number ((int) ev->data.l[4]); | |
7414 | ievent->modifiers = 0; | |
7415 | } | |
7416 | ||
7417 | ||
7418 | #ifdef USE_MOTIF | |
7419 | ||
7420 | /* Minimum and maximum values used for Motif scroll bars. */ | |
7421 | ||
7422 | #define XM_SB_MIN 1 | |
7423 | #define XM_SB_MAX 10000000 | |
7424 | #define XM_SB_RANGE (XM_SB_MAX - XM_SB_MIN) | |
7425 | ||
7426 | ||
7427 | /* Scroll bar callback for Motif scroll bars. WIDGET is the scroll | |
7428 | bar widget. CLIENT_DATA is a pointer to the scroll_bar structure. | |
7429 | CALL_DATA is a pointer a a XmScrollBarCallbackStruct. */ | |
7430 | ||
7431 | static void | |
7432 | xm_scroll_callback (widget, client_data, call_data) | |
7433 | Widget widget; | |
7434 | XtPointer client_data, call_data; | |
7435 | { | |
7436 | struct scroll_bar *bar = (struct scroll_bar *) client_data; | |
7437 | XmScrollBarCallbackStruct *cs = (XmScrollBarCallbackStruct *) call_data; | |
7438 | double percent; | |
7439 | int part = -1, whole = 0, portion = 0; | |
7440 | ||
7441 | switch (cs->reason) | |
7442 | { | |
7443 | case XmCR_DECREMENT: | |
7444 | bar->dragging = Qnil; | |
7445 | part = scroll_bar_up_arrow; | |
7446 | break; | |
7447 | ||
7448 | case XmCR_INCREMENT: | |
7449 | bar->dragging = Qnil; | |
7450 | part = scroll_bar_down_arrow; | |
7451 | break; | |
7452 | ||
7453 | case XmCR_PAGE_DECREMENT: | |
7454 | bar->dragging = Qnil; | |
7455 | part = scroll_bar_above_handle; | |
7456 | break; | |
7457 | ||
7458 | case XmCR_PAGE_INCREMENT: | |
7459 | bar->dragging = Qnil; | |
7460 | part = scroll_bar_below_handle; | |
7461 | break; | |
7462 | ||
7463 | case XmCR_TO_TOP: | |
7464 | bar->dragging = Qnil; | |
7465 | part = scroll_bar_to_top; | |
7466 | break; | |
7467 | ||
7468 | case XmCR_TO_BOTTOM: | |
7469 | bar->dragging = Qnil; | |
7470 | part = scroll_bar_to_bottom; | |
7471 | break; | |
7472 | ||
7473 | case XmCR_DRAG: | |
7474 | { | |
7475 | int slider_size; | |
7476 | int dragging_down_p = (INTEGERP (bar->dragging) | |
7477 | && XINT (bar->dragging) <= cs->value); | |
7478 | ||
7479 | /* Get the slider size. */ | |
7480 | BLOCK_INPUT; | |
7481 | XtVaGetValues (widget, XmNsliderSize, &slider_size, NULL); | |
7482 | UNBLOCK_INPUT; | |
7483 | ||
7484 | /* At the max position of the scroll bar, do a line-wise | |
7485 | movement. Without doing anything, the LessTif scroll bar | |
7486 | calls us with the same cs->value again and again. If we | |
7487 | want to make sure that we can reach the end of the buffer, | |
7488 | we have to do something. | |
7489 | ||
7490 | Implementation note: setting bar->dragging always to | |
7491 | cs->value gives a smoother movement at the max position. | |
7492 | Setting it to nil when doing line-wise movement gives | |
7493 | a better slider behavior. */ | |
7494 | ||
7495 | if (cs->value + slider_size == XM_SB_MAX | |
7496 | || (dragging_down_p | |
7497 | && last_scroll_bar_part == scroll_bar_down_arrow)) | |
7498 | { | |
7499 | part = scroll_bar_down_arrow; | |
7500 | bar->dragging = Qnil; | |
7501 | } | |
7502 | else | |
7503 | { | |
7504 | whole = XM_SB_RANGE; | |
7505 | portion = min (cs->value - XM_SB_MIN, XM_SB_MAX - slider_size); | |
7506 | part = scroll_bar_handle; | |
7507 | bar->dragging = make_number (cs->value); | |
7508 | } | |
7509 | } | |
7510 | break; | |
7511 | ||
7512 | case XmCR_VALUE_CHANGED: | |
7513 | break; | |
7514 | }; | |
7515 | ||
7516 | if (part >= 0) | |
7517 | { | |
7518 | window_being_scrolled = bar->window; | |
7519 | last_scroll_bar_part = part; | |
7520 | x_send_scroll_bar_event (bar->window, part, portion, whole); | |
7521 | } | |
7522 | } | |
7523 | ||
7524 | ||
ec18280f | 7525 | #else /* !USE_MOTIF, i.e. Xaw. */ |
06a2c219 GM |
7526 | |
7527 | ||
ec18280f | 7528 | /* Xaw scroll bar callback. Invoked when the thumb is dragged. |
06a2c219 GM |
7529 | WIDGET is the scroll bar widget. CLIENT_DATA is a pointer to the |
7530 | scroll bar struct. CALL_DATA is a pointer to a float saying where | |
7531 | the thumb is. */ | |
7532 | ||
7533 | static void | |
ec18280f | 7534 | xaw_jump_callback (widget, client_data, call_data) |
06a2c219 GM |
7535 | Widget widget; |
7536 | XtPointer client_data, call_data; | |
7537 | { | |
7538 | struct scroll_bar *bar = (struct scroll_bar *) client_data; | |
7539 | float top = *(float *) call_data; | |
7540 | float shown; | |
ec18280f SM |
7541 | int whole, portion, height; |
7542 | int part; | |
06a2c219 GM |
7543 | |
7544 | /* Get the size of the thumb, a value between 0 and 1. */ | |
7545 | BLOCK_INPUT; | |
ec18280f | 7546 | XtVaGetValues (widget, XtNshown, &shown, XtNheight, &height, NULL); |
06a2c219 GM |
7547 | UNBLOCK_INPUT; |
7548 | ||
7549 | whole = 10000000; | |
7550 | portion = shown < 1 ? top * whole : 0; | |
06a2c219 | 7551 | |
ec18280f SM |
7552 | if (shown < 1 && (abs (top + shown - 1) < 1.0/height)) |
7553 | /* Some derivatives of Xaw refuse to shrink the thumb when you reach | |
7554 | the bottom, so we force the scrolling whenever we see that we're | |
7555 | too close to the bottom (in x_set_toolkit_scroll_bar_thumb | |
7556 | we try to ensure that we always stay two pixels away from the | |
7557 | bottom). */ | |
06a2c219 GM |
7558 | part = scroll_bar_down_arrow; |
7559 | else | |
7560 | part = scroll_bar_handle; | |
7561 | ||
7562 | window_being_scrolled = bar->window; | |
7563 | bar->dragging = make_number (portion); | |
7564 | last_scroll_bar_part = part; | |
7565 | x_send_scroll_bar_event (bar->window, part, portion, whole); | |
7566 | } | |
7567 | ||
7568 | ||
ec18280f SM |
7569 | /* Xaw scroll bar callback. Invoked for incremental scrolling., |
7570 | i.e. line or page up or down. WIDGET is the Xaw scroll bar | |
06a2c219 GM |
7571 | widget. CLIENT_DATA is a pointer to the scroll_bar structure for |
7572 | the scroll bar. CALL_DATA is an integer specifying the action that | |
7573 | has taken place. It's magnitude is in the range 0..height of the | |
7574 | scroll bar. Negative values mean scroll towards buffer start. | |
7575 | Values < height of scroll bar mean line-wise movement. */ | |
7576 | ||
7577 | static void | |
ec18280f | 7578 | xaw_scroll_callback (widget, client_data, call_data) |
06a2c219 GM |
7579 | Widget widget; |
7580 | XtPointer client_data, call_data; | |
7581 | { | |
7582 | struct scroll_bar *bar = (struct scroll_bar *) client_data; | |
7583 | int position = (int) call_data; | |
7584 | Dimension height; | |
7585 | int part; | |
7586 | ||
7587 | /* Get the height of the scroll bar. */ | |
7588 | BLOCK_INPUT; | |
7589 | XtVaGetValues (widget, XtNheight, &height, NULL); | |
7590 | UNBLOCK_INPUT; | |
7591 | ||
ec18280f SM |
7592 | if (abs (position) >= height) |
7593 | part = (position < 0) ? scroll_bar_above_handle : scroll_bar_below_handle; | |
7594 | ||
7595 | /* If Xaw3d was compiled with ARROW_SCROLLBAR, | |
7596 | it maps line-movement to call_data = max(5, height/20). */ | |
7597 | else if (xaw3d_arrow_scroll && abs (position) <= max (5, height / 20)) | |
7598 | part = (position < 0) ? scroll_bar_up_arrow : scroll_bar_down_arrow; | |
06a2c219 | 7599 | else |
ec18280f | 7600 | part = scroll_bar_move_ratio; |
06a2c219 GM |
7601 | |
7602 | window_being_scrolled = bar->window; | |
7603 | bar->dragging = Qnil; | |
7604 | last_scroll_bar_part = part; | |
ec18280f | 7605 | x_send_scroll_bar_event (bar->window, part, position, height); |
06a2c219 GM |
7606 | } |
7607 | ||
7608 | ||
7609 | #endif /* not USE_MOTIF */ | |
7610 | ||
7611 | ||
7612 | /* Create the widget for scroll bar BAR on frame F. Record the widget | |
7613 | and X window of the scroll bar in BAR. */ | |
7614 | ||
7615 | static void | |
7616 | x_create_toolkit_scroll_bar (f, bar) | |
7617 | struct frame *f; | |
7618 | struct scroll_bar *bar; | |
7619 | { | |
7620 | Window xwindow; | |
7621 | Widget widget; | |
7622 | Arg av[20]; | |
7623 | int ac = 0; | |
7624 | char *scroll_bar_name = "verticalScrollBar"; | |
7625 | unsigned long pixel; | |
7626 | ||
7627 | BLOCK_INPUT; | |
7628 | ||
7629 | #ifdef USE_MOTIF | |
7630 | /* LessTif 0.85, problems: | |
7631 | ||
7632 | 1. When the mouse if over the scroll bar, the scroll bar will | |
7633 | get keyboard events. I didn't find a way to turn this off. | |
7634 | ||
7635 | 2. Do we have to explicitly set the cursor to get an arrow | |
7636 | cursor (see below)? */ | |
7637 | ||
7638 | /* Set resources. Create the widget. */ | |
7639 | XtSetArg (av[ac], XtNmappedWhenManaged, False); ++ac; | |
7640 | XtSetArg (av[ac], XmNminimum, XM_SB_MIN); ++ac; | |
7641 | XtSetArg (av[ac], XmNmaximum, XM_SB_MAX); ++ac; | |
7642 | XtSetArg (av[ac], XmNorientation, XmVERTICAL); ++ac; | |
7643 | XtSetArg (av[ac], XmNprocessingDirection, XmMAX_ON_BOTTOM), ++ac; | |
7644 | XtSetArg (av[ac], XmNincrement, 1); ++ac; | |
7645 | XtSetArg (av[ac], XmNpageIncrement, 1); ++ac; | |
7646 | ||
7647 | pixel = f->output_data.x->scroll_bar_foreground_pixel; | |
7648 | if (pixel != -1) | |
7649 | { | |
7650 | XtSetArg (av[ac], XmNforeground, pixel); | |
7651 | ++ac; | |
7652 | } | |
7653 | ||
7654 | pixel = f->output_data.x->scroll_bar_background_pixel; | |
7655 | if (pixel != -1) | |
7656 | { | |
7657 | XtSetArg (av[ac], XmNbackground, pixel); | |
7658 | ++ac; | |
7659 | } | |
7660 | ||
7661 | widget = XmCreateScrollBar (f->output_data.x->edit_widget, | |
7662 | scroll_bar_name, av, ac); | |
7663 | ||
7664 | /* Add one callback for everything that can happen. */ | |
7665 | XtAddCallback (widget, XmNdecrementCallback, xm_scroll_callback, | |
7666 | (XtPointer) bar); | |
7667 | XtAddCallback (widget, XmNdragCallback, xm_scroll_callback, | |
7668 | (XtPointer) bar); | |
7669 | XtAddCallback (widget, XmNincrementCallback, xm_scroll_callback, | |
7670 | (XtPointer) bar); | |
7671 | XtAddCallback (widget, XmNpageDecrementCallback, xm_scroll_callback, | |
7672 | (XtPointer) bar); | |
7673 | XtAddCallback (widget, XmNpageIncrementCallback, xm_scroll_callback, | |
7674 | (XtPointer) bar); | |
7675 | XtAddCallback (widget, XmNtoBottomCallback, xm_scroll_callback, | |
7676 | (XtPointer) bar); | |
7677 | XtAddCallback (widget, XmNtoTopCallback, xm_scroll_callback, | |
7678 | (XtPointer) bar); | |
7679 | ||
7680 | /* Realize the widget. Only after that is the X window created. */ | |
7681 | XtRealizeWidget (widget); | |
7682 | ||
7683 | /* Set the cursor to an arrow. I didn't find a resource to do that. | |
7684 | And I'm wondering why it hasn't an arrow cursor by default. */ | |
7685 | XDefineCursor (XtDisplay (widget), XtWindow (widget), | |
7686 | f->output_data.x->nontext_cursor); | |
7687 | ||
ec18280f | 7688 | #else /* !USE_MOTIF i.e. use Xaw */ |
06a2c219 GM |
7689 | |
7690 | /* Set resources. Create the widget. The background of the | |
7691 | Xaw3d scroll bar widget is a little bit light for my taste. | |
7692 | We don't alter it here to let users change it according | |
7693 | to their taste with `emacs*verticalScrollBar.background: xxx'. */ | |
7694 | XtSetArg (av[ac], XtNmappedWhenManaged, False); ++ac; | |
7695 | XtSetArg (av[ac], XtNorientation, XtorientVertical); ++ac; | |
ec18280f SM |
7696 | /* For smoother scrolling with Xaw3d -sm */ |
7697 | /* XtSetArg (av[ac], XtNpickTop, True); ++ac; */ | |
7698 | /* XtSetArg (av[ac], XtNbeNiceToColormap, True); ++ac; */ | |
06a2c219 GM |
7699 | |
7700 | pixel = f->output_data.x->scroll_bar_foreground_pixel; | |
7701 | if (pixel != -1) | |
7702 | { | |
7703 | XtSetArg (av[ac], XtNforeground, pixel); | |
7704 | ++ac; | |
7705 | } | |
7706 | ||
7707 | pixel = f->output_data.x->scroll_bar_background_pixel; | |
7708 | if (pixel != -1) | |
7709 | { | |
7710 | XtSetArg (av[ac], XtNbackground, pixel); | |
7711 | ++ac; | |
7712 | } | |
7713 | ||
7714 | widget = XtCreateWidget (scroll_bar_name, scrollbarWidgetClass, | |
7715 | f->output_data.x->edit_widget, av, ac); | |
ec18280f SM |
7716 | |
7717 | { | |
7718 | char *initial = ""; | |
7719 | char *val = initial; | |
7720 | XtVaGetValues (widget, XtNscrollVCursor, (XtPointer) &val, | |
7721 | XtNpickTop, (XtPointer) &xaw3d_pick_top, NULL); | |
7722 | if (val == initial) | |
7723 | { /* ARROW_SCROLL */ | |
7724 | xaw3d_arrow_scroll = True; | |
7725 | /* Isn't that just a personal preference ? -sm */ | |
7726 | XtVaSetValues (widget, XtNcursorName, "top_left_arrow", NULL); | |
7727 | } | |
7728 | } | |
06a2c219 GM |
7729 | |
7730 | /* Define callbacks. */ | |
ec18280f SM |
7731 | XtAddCallback (widget, XtNjumpProc, xaw_jump_callback, (XtPointer) bar); |
7732 | XtAddCallback (widget, XtNscrollProc, xaw_scroll_callback, | |
06a2c219 GM |
7733 | (XtPointer) bar); |
7734 | ||
7735 | /* Realize the widget. Only after that is the X window created. */ | |
7736 | XtRealizeWidget (widget); | |
7737 | ||
ec18280f | 7738 | #endif /* !USE_MOTIF */ |
06a2c219 GM |
7739 | |
7740 | /* Install an action hook that let's us detect when the user | |
7741 | finishes interacting with a scroll bar. */ | |
7742 | if (action_hook_id == 0) | |
7743 | action_hook_id = XtAppAddActionHook (Xt_app_con, xt_action_hook, 0); | |
7744 | ||
7745 | /* Remember X window and widget in the scroll bar vector. */ | |
7746 | SET_SCROLL_BAR_X_WIDGET (bar, widget); | |
7747 | xwindow = XtWindow (widget); | |
7748 | SET_SCROLL_BAR_X_WINDOW (bar, xwindow); | |
7749 | ||
7750 | UNBLOCK_INPUT; | |
7751 | } | |
7752 | ||
7753 | ||
7754 | /* Set the thumb size and position of scroll bar BAR. We are currently | |
7755 | displaying PORTION out of a whole WHOLE, and our position POSITION. */ | |
7756 | ||
7757 | static void | |
7758 | x_set_toolkit_scroll_bar_thumb (bar, portion, position, whole) | |
7759 | struct scroll_bar *bar; | |
7760 | int portion, position, whole; | |
f451eb13 | 7761 | { |
06a2c219 | 7762 | float top, shown; |
06a2c219 | 7763 | Widget widget = SCROLL_BAR_X_WIDGET (bar); |
f451eb13 | 7764 | |
06a2c219 GM |
7765 | if (whole == 0) |
7766 | top = 0, shown = 1; | |
7767 | else | |
f451eb13 | 7768 | { |
06a2c219 GM |
7769 | top = (float) position / whole; |
7770 | shown = (float) portion / whole; | |
7771 | } | |
f451eb13 | 7772 | |
06a2c219 | 7773 | BLOCK_INPUT; |
f451eb13 | 7774 | |
06a2c219 GM |
7775 | #ifdef USE_MOTIF |
7776 | { | |
7777 | int size, value; | |
7778 | Boolean arrow1_selected, arrow2_selected; | |
7779 | unsigned char flags; | |
7780 | XmScrollBarWidget sb; | |
7781 | ||
ec18280f | 7782 | /* Slider size. Must be in the range [1 .. MAX - MIN] where MAX |
06a2c219 GM |
7783 | is the scroll bar's maximum and MIN is the scroll bar's minimum |
7784 | value. */ | |
7785 | size = shown * XM_SB_RANGE; | |
7786 | size = min (size, XM_SB_RANGE); | |
7787 | size = max (size, 1); | |
7788 | ||
7789 | /* Position. Must be in the range [MIN .. MAX - SLIDER_SIZE]. */ | |
7790 | value = top * XM_SB_RANGE; | |
7791 | value = min (value, XM_SB_MAX - size); | |
7792 | value = max (value, XM_SB_MIN); | |
7793 | ||
7794 | /* LessTif: Calling XmScrollBarSetValues after an increment or | |
7795 | decrement turns off auto-repeat LessTif-internally. This can | |
7796 | be seen in ScrollBar.c which resets Arrow1Selected and | |
7797 | Arrow2Selected. It also sets internal flags so that LessTif | |
7798 | believes the mouse is in the slider. We either have to change | |
7799 | our code, or work around that by accessing private data. */ | |
7800 | ||
7801 | sb = (XmScrollBarWidget) widget; | |
7802 | arrow1_selected = sb->scrollBar.arrow1_selected; | |
7803 | arrow2_selected = sb->scrollBar.arrow2_selected; | |
7804 | flags = sb->scrollBar.flags; | |
7805 | ||
7806 | if (NILP (bar->dragging)) | |
7807 | XmScrollBarSetValues (widget, value, size, 0, 0, False); | |
7808 | else if (last_scroll_bar_part == scroll_bar_down_arrow) | |
7809 | /* This has the negative side effect that the slider value is | |
ec18280f | 7810 | not what it would be if we scrolled here using line-wise or |
06a2c219 GM |
7811 | page-wise movement. */ |
7812 | XmScrollBarSetValues (widget, value, XM_SB_RANGE - value, 0, 0, False); | |
7813 | else | |
7814 | { | |
7815 | /* If currently dragging, only update the slider size. | |
7816 | This reduces flicker effects. */ | |
7817 | int old_value, old_size, increment, page_increment; | |
7818 | ||
7819 | XmScrollBarGetValues (widget, &old_value, &old_size, | |
7820 | &increment, &page_increment); | |
7821 | XmScrollBarSetValues (widget, old_value, | |
7822 | min (size, XM_SB_RANGE - old_value), | |
7823 | 0, 0, False); | |
7824 | } | |
7825 | ||
7826 | sb->scrollBar.arrow1_selected = arrow1_selected; | |
7827 | sb->scrollBar.arrow2_selected = arrow2_selected; | |
7828 | sb->scrollBar.flags = flags; | |
7829 | } | |
ec18280f | 7830 | #else /* !USE_MOTIF i.e. use Xaw */ |
06a2c219 | 7831 | { |
ec18280f SM |
7832 | float old_top, old_shown; |
7833 | Dimension height; | |
7834 | XtVaGetValues (widget, | |
7835 | XtNtopOfThumb, &old_top, | |
7836 | XtNshown, &old_shown, | |
7837 | XtNheight, &height, | |
7838 | NULL); | |
7839 | ||
7840 | /* Massage the top+shown values. */ | |
7841 | if (NILP (bar->dragging) || last_scroll_bar_part == scroll_bar_down_arrow) | |
7842 | top = max (0, min (1, top)); | |
7843 | else | |
7844 | top = old_top; | |
7845 | /* Keep two pixels available for moving the thumb down. */ | |
7846 | shown = max (0, min (1 - top - (2.0 / height), shown)); | |
06a2c219 GM |
7847 | |
7848 | /* If the call to XawScrollbarSetThumb below doesn't seem to work, | |
7849 | check that your system's configuration file contains a define | |
7850 | for `NARROWPROTO'. See s/freebsd.h for an example. */ | |
ec18280f | 7851 | if (top != old_top || shown != old_shown) |
eb393530 | 7852 | { |
ec18280f | 7853 | if (NILP (bar->dragging)) |
eb393530 | 7854 | XawScrollbarSetThumb (widget, top, shown); |
06a2c219 GM |
7855 | else |
7856 | { | |
ec18280f SM |
7857 | #ifdef HAVE_XAW3D |
7858 | ScrollbarWidget sb = (ScrollbarWidget) widget; | |
7859 | int scroll_mode; | |
7860 | ||
7861 | /* `scroll_mode' only exists with Xaw3d + ARROW_SCROLLBAR. */ | |
7862 | if (xaw3d_arrow_scroll) | |
7863 | { | |
7864 | /* Xaw3d stupidly ignores resize requests while dragging | |
7865 | so we have to make it believe it's not in dragging mode. */ | |
7866 | scroll_mode = sb->scrollbar.scroll_mode; | |
7867 | if (scroll_mode == 2) | |
7868 | sb->scrollbar.scroll_mode = 0; | |
7869 | } | |
7870 | #endif | |
7871 | /* Try to make the scrolling a tad smoother. */ | |
7872 | if (!xaw3d_pick_top) | |
7873 | shown = min (shown, old_shown); | |
7874 | ||
7875 | XawScrollbarSetThumb (widget, top, shown); | |
7876 | ||
7877 | #ifdef HAVE_XAW3D | |
7878 | if (xaw3d_arrow_scroll && scroll_mode == 2) | |
7879 | sb->scrollbar.scroll_mode = scroll_mode; | |
7880 | #endif | |
06a2c219 | 7881 | } |
06a2c219 GM |
7882 | } |
7883 | } | |
ec18280f | 7884 | #endif /* !USE_MOTIF */ |
06a2c219 GM |
7885 | |
7886 | UNBLOCK_INPUT; | |
f451eb13 JB |
7887 | } |
7888 | ||
06a2c219 GM |
7889 | #endif /* USE_TOOLKIT_SCROLL_BARS */ |
7890 | ||
7891 | ||
7892 | \f | |
7893 | /************************************************************************ | |
7894 | Scroll bars, general | |
7895 | ************************************************************************/ | |
7896 | ||
7897 | /* Create a scroll bar and return the scroll bar vector for it. W is | |
7898 | the Emacs window on which to create the scroll bar. TOP, LEFT, | |
7899 | WIDTH and HEIGHT are.the pixel coordinates and dimensions of the | |
7900 | scroll bar. */ | |
7901 | ||
ab648270 | 7902 | static struct scroll_bar * |
06a2c219 GM |
7903 | x_scroll_bar_create (w, top, left, width, height) |
7904 | struct window *w; | |
f451eb13 JB |
7905 | int top, left, width, height; |
7906 | { | |
06a2c219 | 7907 | struct frame *f = XFRAME (w->frame); |
334208b7 RS |
7908 | struct scroll_bar *bar |
7909 | = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
7910 | |
7911 | BLOCK_INPUT; | |
7912 | ||
06a2c219 GM |
7913 | #if USE_TOOLKIT_SCROLL_BARS |
7914 | x_create_toolkit_scroll_bar (f, bar); | |
7915 | #else /* not USE_TOOLKIT_SCROLL_BARS */ | |
f451eb13 JB |
7916 | { |
7917 | XSetWindowAttributes a; | |
7918 | unsigned long mask; | |
5c187dee | 7919 | Window window; |
06a2c219 GM |
7920 | |
7921 | a.background_pixel = f->output_data.x->scroll_bar_background_pixel; | |
7922 | if (a.background_pixel == -1) | |
7923 | a.background_pixel = f->output_data.x->background_pixel; | |
7924 | ||
12ba150f | 7925 | a.event_mask = (ButtonPressMask | ButtonReleaseMask |
9a572e2a | 7926 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 7927 | | ExposureMask); |
7a13e894 | 7928 | a.cursor = FRAME_X_DISPLAY_INFO (f)->vertical_scroll_bar_cursor; |
f451eb13 | 7929 | |
dbc4e1c1 | 7930 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 7931 | |
06a2c219 GM |
7932 | /* Clear the area of W that will serve as a scroll bar. This is |
7933 | for the case that a window has been split horizontally. In | |
7934 | this case, no clear_frame is generated to reduce flickering. */ | |
7935 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
7936 | left, top, width, | |
7937 | window_box_height (w), False); | |
7938 | ||
7939 | window = XCreateWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
7940 | /* Position and size of scroll bar. */ | |
7941 | left + VERTICAL_SCROLL_BAR_WIDTH_TRIM, | |
7942 | top, | |
7943 | width - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2, | |
7944 | height, | |
7945 | /* Border width, depth, class, and visual. */ | |
7946 | 0, | |
7947 | CopyFromParent, | |
7948 | CopyFromParent, | |
7949 | CopyFromParent, | |
7950 | /* Attributes. */ | |
7951 | mask, &a); | |
7952 | SET_SCROLL_BAR_X_WINDOW (bar, window); | |
f451eb13 | 7953 | } |
06a2c219 | 7954 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ |
f451eb13 | 7955 | |
06a2c219 | 7956 | XSETWINDOW (bar->window, w); |
e0c1aef2 KH |
7957 | XSETINT (bar->top, top); |
7958 | XSETINT (bar->left, left); | |
7959 | XSETINT (bar->width, width); | |
7960 | XSETINT (bar->height, height); | |
7961 | XSETINT (bar->start, 0); | |
7962 | XSETINT (bar->end, 0); | |
12ba150f | 7963 | bar->dragging = Qnil; |
f451eb13 JB |
7964 | |
7965 | /* Add bar to its frame's list of scroll bars. */ | |
334208b7 | 7966 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 7967 | bar->prev = Qnil; |
334208b7 | 7968 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); |
06a2c219 | 7969 | if (!NILP (bar->next)) |
e0c1aef2 | 7970 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); |
f451eb13 | 7971 | |
06a2c219 GM |
7972 | /* Map the window/widget. */ |
7973 | #if USE_TOOLKIT_SCROLL_BARS | |
7974 | XtMapWidget (SCROLL_BAR_X_WIDGET (bar)); | |
7975 | XtConfigureWidget (SCROLL_BAR_X_WIDGET (bar), | |
7976 | left + VERTICAL_SCROLL_BAR_WIDTH_TRIM, | |
7977 | top, | |
7978 | width - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2, | |
7979 | height, 0); | |
7980 | #else /* not USE_TOOLKIT_SCROLL_BARS */ | |
7f9c7f94 | 7981 | XMapRaised (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar)); |
06a2c219 | 7982 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ |
f451eb13 JB |
7983 | |
7984 | UNBLOCK_INPUT; | |
12ba150f | 7985 | return bar; |
f451eb13 JB |
7986 | } |
7987 | ||
06a2c219 | 7988 | |
12ba150f | 7989 | /* Draw BAR's handle in the proper position. |
06a2c219 | 7990 | |
12ba150f JB |
7991 | If the handle is already drawn from START to END, don't bother |
7992 | redrawing it, unless REBUILD is non-zero; in that case, always | |
7993 | redraw it. (REBUILD is handy for drawing the handle after expose | |
58769bee | 7994 | events.) |
12ba150f JB |
7995 | |
7996 | Normally, we want to constrain the start and end of the handle to | |
06a2c219 GM |
7997 | fit inside its rectangle, but if the user is dragging the scroll |
7998 | bar handle, we want to let them drag it down all the way, so that | |
7999 | the bar's top is as far down as it goes; otherwise, there's no way | |
8000 | to move to the very end of the buffer. */ | |
8001 | ||
5c187dee GM |
8002 | #ifndef USE_TOOLKIT_SCROLL_BARS |
8003 | ||
f451eb13 | 8004 | static void |
ab648270 JB |
8005 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
8006 | struct scroll_bar *bar; | |
f451eb13 | 8007 | int start, end; |
12ba150f | 8008 | int rebuild; |
f451eb13 | 8009 | { |
12ba150f | 8010 | int dragging = ! NILP (bar->dragging); |
ab648270 | 8011 | Window w = SCROLL_BAR_X_WINDOW (bar); |
334208b7 | 8012 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
7556890b | 8013 | GC gc = f->output_data.x->normal_gc; |
12ba150f JB |
8014 | |
8015 | /* If the display is already accurate, do nothing. */ | |
8016 | if (! rebuild | |
8017 | && start == XINT (bar->start) | |
8018 | && end == XINT (bar->end)) | |
8019 | return; | |
8020 | ||
f451eb13 JB |
8021 | BLOCK_INPUT; |
8022 | ||
8023 | { | |
d9cdbb3d RS |
8024 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (f, XINT (bar->width)); |
8025 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, XINT (bar->height)); | |
8026 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (f, XINT (bar->height)); | |
f451eb13 JB |
8027 | |
8028 | /* Make sure the values are reasonable, and try to preserve | |
8029 | the distance between start and end. */ | |
12ba150f JB |
8030 | { |
8031 | int length = end - start; | |
8032 | ||
8033 | if (start < 0) | |
8034 | start = 0; | |
8035 | else if (start > top_range) | |
8036 | start = top_range; | |
8037 | end = start + length; | |
8038 | ||
8039 | if (end < start) | |
8040 | end = start; | |
8041 | else if (end > top_range && ! dragging) | |
8042 | end = top_range; | |
8043 | } | |
f451eb13 | 8044 | |
ab648270 | 8045 | /* Store the adjusted setting in the scroll bar. */ |
e0c1aef2 KH |
8046 | XSETINT (bar->start, start); |
8047 | XSETINT (bar->end, end); | |
f451eb13 | 8048 | |
12ba150f JB |
8049 | /* Clip the end position, just for display. */ |
8050 | if (end > top_range) | |
8051 | end = top_range; | |
f451eb13 | 8052 | |
ab648270 | 8053 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
8054 | below top positions, to make sure the handle is always at least |
8055 | that many pixels tall. */ | |
ab648270 | 8056 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 8057 | |
12ba150f JB |
8058 | /* Draw the empty space above the handle. Note that we can't clear |
8059 | zero-height areas; that means "clear to end of window." */ | |
8060 | if (0 < start) | |
334208b7 | 8061 | XClearArea (FRAME_X_DISPLAY (f), w, |
f451eb13 | 8062 | |
12ba150f | 8063 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
8064 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
8065 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
8066 | inside_width, start, |
8067 | False); | |
f451eb13 | 8068 | |
06a2c219 GM |
8069 | /* Change to proper foreground color if one is specified. */ |
8070 | if (f->output_data.x->scroll_bar_foreground_pixel != -1) | |
8071 | XSetForeground (FRAME_X_DISPLAY (f), gc, | |
8072 | f->output_data.x->scroll_bar_foreground_pixel); | |
8073 | ||
12ba150f | 8074 | /* Draw the handle itself. */ |
334208b7 | 8075 | XFillRectangle (FRAME_X_DISPLAY (f), w, gc, |
f451eb13 | 8076 | |
12ba150f | 8077 | /* x, y, width, height */ |
ab648270 JB |
8078 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
8079 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 8080 | inside_width, end - start); |
f451eb13 | 8081 | |
06a2c219 GM |
8082 | /* Restore the foreground color of the GC if we changed it above. */ |
8083 | if (f->output_data.x->scroll_bar_foreground_pixel != -1) | |
8084 | XSetForeground (FRAME_X_DISPLAY (f), gc, | |
8085 | f->output_data.x->foreground_pixel); | |
f451eb13 | 8086 | |
12ba150f JB |
8087 | /* Draw the empty space below the handle. Note that we can't |
8088 | clear zero-height areas; that means "clear to end of window." */ | |
8089 | if (end < inside_height) | |
334208b7 | 8090 | XClearArea (FRAME_X_DISPLAY (f), w, |
f451eb13 | 8091 | |
12ba150f | 8092 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
8093 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
8094 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
8095 | inside_width, inside_height - end, |
8096 | False); | |
f451eb13 | 8097 | |
f451eb13 JB |
8098 | } |
8099 | ||
f451eb13 JB |
8100 | UNBLOCK_INPUT; |
8101 | } | |
8102 | ||
5c187dee | 8103 | #endif /* !USE_TOOLKIT_SCROLL_BARS */ |
f451eb13 | 8104 | |
06a2c219 GM |
8105 | /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to |
8106 | nil. */ | |
58769bee | 8107 | |
12ba150f | 8108 | static void |
ab648270 JB |
8109 | x_scroll_bar_remove (bar) |
8110 | struct scroll_bar *bar; | |
12ba150f | 8111 | { |
12ba150f JB |
8112 | BLOCK_INPUT; |
8113 | ||
06a2c219 GM |
8114 | #if USE_TOOLKIT_SCROLL_BARS |
8115 | XtDestroyWidget (SCROLL_BAR_X_WIDGET (bar)); | |
8116 | #else /* not USE_TOOLKIT_SCROLL_BARS */ | |
5c187dee GM |
8117 | { |
8118 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
8119 | XDestroyWindow (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar)); | |
8120 | } | |
06a2c219 GM |
8121 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ |
8122 | ||
ab648270 JB |
8123 | /* Disassociate this scroll bar from its window. */ |
8124 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
8125 | |
8126 | UNBLOCK_INPUT; | |
8127 | } | |
8128 | ||
06a2c219 | 8129 | |
12ba150f JB |
8130 | /* Set the handle of the vertical scroll bar for WINDOW to indicate |
8131 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 8132 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f | 8133 | create one. */ |
06a2c219 | 8134 | |
12ba150f | 8135 | static void |
06a2c219 GM |
8136 | XTset_vertical_scroll_bar (w, portion, whole, position) |
8137 | struct window *w; | |
f451eb13 JB |
8138 | int portion, whole, position; |
8139 | { | |
06a2c219 | 8140 | struct frame *f = XFRAME (w->frame); |
ab648270 | 8141 | struct scroll_bar *bar; |
3c6ede7b | 8142 | int top, height, left, sb_left, width, sb_width; |
06a2c219 | 8143 | int window_x, window_y, window_width, window_height; |
06a2c219 | 8144 | |
3c6ede7b | 8145 | /* Get window dimensions. */ |
06a2c219 | 8146 | window_box (w, -1, &window_x, &window_y, &window_width, &window_height); |
3c6ede7b GM |
8147 | top = window_y; |
8148 | width = FRAME_SCROLL_BAR_COLS (f) * CANON_X_UNIT (f); | |
8149 | height = window_height; | |
06a2c219 | 8150 | |
3c6ede7b | 8151 | /* Compute the left edge of the scroll bar area. */ |
06a2c219 | 8152 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)) |
3c6ede7b GM |
8153 | left = XINT (w->left) + XINT (w->width) - FRAME_SCROLL_BAR_COLS (f); |
8154 | else | |
8155 | left = XFASTINT (w->left); | |
8156 | left *= CANON_X_UNIT (f); | |
8157 | left += FRAME_INTERNAL_BORDER_WIDTH (f); | |
8158 | ||
8159 | /* Compute the width of the scroll bar which might be less than | |
8160 | the width of the area reserved for the scroll bar. */ | |
8161 | if (FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0) | |
8162 | sb_width = FRAME_SCROLL_BAR_PIXEL_WIDTH (f); | |
06a2c219 | 8163 | else |
3c6ede7b | 8164 | sb_width = width; |
12ba150f | 8165 | |
3c6ede7b GM |
8166 | /* Compute the left edge of the scroll bar. */ |
8167 | #ifdef USE_TOOLKIT_SCROLL_BARS | |
8168 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)) | |
8169 | sb_left = left + width - sb_width - (width - sb_width) / 2; | |
8170 | else | |
8171 | sb_left = left + (width - sb_width) / 2; | |
8172 | #else | |
8173 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)) | |
8174 | sb_left = left + width - sb_width; | |
8175 | else | |
8176 | sb_left = left; | |
8177 | #endif | |
8178 | ||
ab648270 | 8179 | /* Does the scroll bar exist yet? */ |
06a2c219 | 8180 | if (NILP (w->vertical_scroll_bar)) |
3c6ede7b | 8181 | { |
80c32bcc | 8182 | BLOCK_INPUT; |
3c6ede7b GM |
8183 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
8184 | left, top, width, height, False); | |
80c32bcc | 8185 | UNBLOCK_INPUT; |
3c6ede7b GM |
8186 | bar = x_scroll_bar_create (w, top, sb_left, sb_width, height); |
8187 | } | |
f451eb13 | 8188 | else |
12ba150f JB |
8189 | { |
8190 | /* It may just need to be moved and resized. */ | |
06a2c219 GM |
8191 | unsigned int mask = 0; |
8192 | ||
8193 | bar = XSCROLL_BAR (w->vertical_scroll_bar); | |
8194 | ||
8195 | BLOCK_INPUT; | |
8196 | ||
3c6ede7b | 8197 | if (sb_left != XINT (bar->left)) |
06a2c219 | 8198 | mask |= CWX; |
3c6ede7b | 8199 | if (top != XINT (bar->top)) |
06a2c219 | 8200 | mask |= CWY; |
3c6ede7b | 8201 | if (sb_width != XINT (bar->width)) |
06a2c219 | 8202 | mask |= CWWidth; |
3c6ede7b | 8203 | if (height != XINT (bar->height)) |
06a2c219 GM |
8204 | mask |= CWHeight; |
8205 | ||
8206 | #ifdef USE_TOOLKIT_SCROLL_BARS | |
fe6f39d9 GM |
8207 | |
8208 | /* Since toolkit scroll bars are smaller than the space reserved | |
8209 | for them on the frame, we have to clear "under" them. */ | |
8210 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
3c6ede7b | 8211 | left, top, width, height, False); |
06a2c219 GM |
8212 | |
8213 | /* Move/size the scroll bar widget. */ | |
8214 | if (mask) | |
8215 | XtConfigureWidget (SCROLL_BAR_X_WIDGET (bar), | |
3c6ede7b GM |
8216 | sb_left + VERTICAL_SCROLL_BAR_WIDTH_TRIM, |
8217 | top, | |
8218 | sb_width - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2, | |
8219 | height, 0); | |
06a2c219 GM |
8220 | |
8221 | #else /* not USE_TOOLKIT_SCROLL_BARS */ | |
8222 | ||
e1f6572f RS |
8223 | if (VERTICAL_SCROLL_BAR_WIDTH_TRIM) |
8224 | { | |
8225 | /* Clear areas not covered by the scroll bar. This makes sure a | |
8226 | previous mode line display is cleared after C-x 2 C-x 1, for | |
8227 | example. Non-toolkit scroll bars are as wide as the area | |
8228 | reserved for scroll bars - trim at both sides. */ | |
8229 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
8230 | left, top, VERTICAL_SCROLL_BAR_WIDTH_TRIM, | |
8231 | height, False); | |
8232 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
8233 | left + width - VERTICAL_SCROLL_BAR_WIDTH_TRIM, | |
8234 | top, VERTICAL_SCROLL_BAR_WIDTH_TRIM, | |
8235 | height, False); | |
8236 | } | |
06a2c219 GM |
8237 | |
8238 | /* Move/size the scroll bar window. */ | |
8239 | if (mask) | |
8240 | { | |
8241 | XWindowChanges wc; | |
8242 | ||
3c6ede7b GM |
8243 | wc.x = sb_left + VERTICAL_SCROLL_BAR_WIDTH_TRIM; |
8244 | wc.y = top; | |
8245 | wc.width = sb_width - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2; | |
8246 | wc.height = height; | |
06a2c219 GM |
8247 | XConfigureWindow (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar), |
8248 | mask, &wc); | |
8249 | } | |
8250 | ||
8251 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ | |
8252 | ||
8253 | /* Remember new settings. */ | |
3c6ede7b GM |
8254 | XSETINT (bar->left, sb_left); |
8255 | XSETINT (bar->top, top); | |
8256 | XSETINT (bar->width, sb_width); | |
8257 | XSETINT (bar->height, height); | |
06a2c219 GM |
8258 | |
8259 | UNBLOCK_INPUT; | |
12ba150f | 8260 | } |
f451eb13 | 8261 | |
06a2c219 GM |
8262 | #if USE_TOOLKIT_SCROLL_BARS |
8263 | x_set_toolkit_scroll_bar_thumb (bar, portion, position, whole); | |
8264 | #else /* not USE_TOOLKIT_SCROLL_BARS */ | |
ab648270 | 8265 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 8266 | dragged. */ |
12ba150f | 8267 | if (NILP (bar->dragging)) |
f451eb13 | 8268 | { |
92857db0 | 8269 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (f, height); |
f451eb13 | 8270 | |
12ba150f | 8271 | if (whole == 0) |
ab648270 | 8272 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
8273 | else |
8274 | { | |
43f868f5 JB |
8275 | int start = ((double) position * top_range) / whole; |
8276 | int end = ((double) (position + portion) * top_range) / whole; | |
ab648270 | 8277 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 8278 | } |
f451eb13 | 8279 | } |
06a2c219 | 8280 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ |
f451eb13 | 8281 | |
06a2c219 | 8282 | XSETVECTOR (w->vertical_scroll_bar, bar); |
f451eb13 JB |
8283 | } |
8284 | ||
12ba150f | 8285 | |
f451eb13 | 8286 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 8287 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 8288 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
8289 | away is a real pain - "Can you say set-window-configuration, boys |
8290 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 8291 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 8292 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 8293 | |
ab648270 JB |
8294 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
8295 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
06a2c219 GM |
8296 | `*redeem_scroll_bar_hook' is applied to its window before the judgment. */ |
8297 | ||
58769bee | 8298 | static void |
ab648270 | 8299 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
8300 | FRAME_PTR frame; |
8301 | { | |
f9e24cb9 RS |
8302 | /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */ |
8303 | while (! NILP (FRAME_SCROLL_BARS (frame))) | |
8304 | { | |
8305 | Lisp_Object bar; | |
8306 | bar = FRAME_SCROLL_BARS (frame); | |
8307 | FRAME_SCROLL_BARS (frame) = XSCROLL_BAR (bar)->next; | |
8308 | XSCROLL_BAR (bar)->next = FRAME_CONDEMNED_SCROLL_BARS (frame); | |
8309 | XSCROLL_BAR (bar)->prev = Qnil; | |
8310 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) | |
8311 | XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame))->prev = bar; | |
8312 | FRAME_CONDEMNED_SCROLL_BARS (frame) = bar; | |
8313 | } | |
f451eb13 JB |
8314 | } |
8315 | ||
06a2c219 | 8316 | /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle. |
12ba150f | 8317 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 8318 | static void |
ab648270 | 8319 | XTredeem_scroll_bar (window) |
12ba150f | 8320 | struct window *window; |
f451eb13 | 8321 | { |
ab648270 | 8322 | struct scroll_bar *bar; |
12ba150f | 8323 | |
ab648270 JB |
8324 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
8325 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
8326 | abort (); |
8327 | ||
ab648270 | 8328 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
8329 | |
8330 | /* Unlink it from the condemned list. */ | |
8331 | { | |
8332 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
8333 | ||
8334 | if (NILP (bar->prev)) | |
8335 | { | |
8336 | /* If the prev pointer is nil, it must be the first in one of | |
8337 | the lists. */ | |
ab648270 | 8338 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
8339 | /* It's not condemned. Everything's fine. */ |
8340 | return; | |
ab648270 JB |
8341 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
8342 | window->vertical_scroll_bar)) | |
8343 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
8344 | else |
8345 | /* If its prev pointer is nil, it must be at the front of | |
8346 | one or the other! */ | |
8347 | abort (); | |
8348 | } | |
8349 | else | |
ab648270 | 8350 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
8351 | |
8352 | if (! NILP (bar->next)) | |
ab648270 | 8353 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 8354 | |
ab648270 | 8355 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 8356 | bar->prev = Qnil; |
e0c1aef2 | 8357 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); |
12ba150f | 8358 | if (! NILP (bar->next)) |
e0c1aef2 | 8359 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); |
12ba150f | 8360 | } |
f451eb13 JB |
8361 | } |
8362 | ||
ab648270 JB |
8363 | /* Remove all scroll bars on FRAME that haven't been saved since the |
8364 | last call to `*condemn_scroll_bars_hook'. */ | |
06a2c219 | 8365 | |
f451eb13 | 8366 | static void |
ab648270 | 8367 | XTjudge_scroll_bars (f) |
12ba150f | 8368 | FRAME_PTR f; |
f451eb13 | 8369 | { |
12ba150f | 8370 | Lisp_Object bar, next; |
f451eb13 | 8371 | |
ab648270 | 8372 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
8373 | |
8374 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
8375 | more events on the hapless scroll bars. */ |
8376 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
8377 | |
8378 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 8379 | { |
ab648270 | 8380 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 8381 | |
ab648270 | 8382 | x_scroll_bar_remove (b); |
12ba150f JB |
8383 | |
8384 | next = b->next; | |
8385 | b->next = b->prev = Qnil; | |
f451eb13 | 8386 | } |
12ba150f | 8387 | |
ab648270 | 8388 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 8389 | and they should get garbage-collected. */ |
f451eb13 JB |
8390 | } |
8391 | ||
8392 | ||
06a2c219 GM |
8393 | /* Handle an Expose or GraphicsExpose event on a scroll bar. This |
8394 | is a no-op when using toolkit scroll bars. | |
ab648270 JB |
8395 | |
8396 | This may be called from a signal handler, so we have to ignore GC | |
8397 | mark bits. */ | |
06a2c219 | 8398 | |
f451eb13 | 8399 | static void |
ab648270 JB |
8400 | x_scroll_bar_expose (bar, event) |
8401 | struct scroll_bar *bar; | |
f451eb13 JB |
8402 | XEvent *event; |
8403 | { | |
06a2c219 GM |
8404 | #ifndef USE_TOOLKIT_SCROLL_BARS |
8405 | ||
ab648270 | 8406 | Window w = SCROLL_BAR_X_WINDOW (bar); |
334208b7 | 8407 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
7556890b | 8408 | GC gc = f->output_data.x->normal_gc; |
3cbd2e0b | 8409 | int width_trim = VERTICAL_SCROLL_BAR_WIDTH_TRIM; |
12ba150f | 8410 | |
f451eb13 JB |
8411 | BLOCK_INPUT; |
8412 | ||
ab648270 | 8413 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 8414 | |
06a2c219 | 8415 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
334208b7 | 8416 | XDrawRectangle (FRAME_X_DISPLAY (f), w, gc, |
f451eb13 JB |
8417 | |
8418 | /* x, y, width, height */ | |
d9cdbb3d | 8419 | 0, 0, |
3cbd2e0b | 8420 | XINT (bar->width) - 1 - width_trim - width_trim, |
d9cdbb3d RS |
8421 | XINT (bar->height) - 1); |
8422 | ||
f451eb13 | 8423 | UNBLOCK_INPUT; |
06a2c219 GM |
8424 | |
8425 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ | |
f451eb13 JB |
8426 | } |
8427 | ||
ab648270 JB |
8428 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
8429 | is set to something other than no_event, it is enqueued. | |
8430 | ||
8431 | This may be called from a signal handler, so we have to ignore GC | |
8432 | mark bits. */ | |
06a2c219 | 8433 | |
5c187dee GM |
8434 | #ifndef USE_TOOLKIT_SCROLL_BARS |
8435 | ||
f451eb13 | 8436 | static void |
ab648270 JB |
8437 | x_scroll_bar_handle_click (bar, event, emacs_event) |
8438 | struct scroll_bar *bar; | |
f451eb13 JB |
8439 | XEvent *event; |
8440 | struct input_event *emacs_event; | |
8441 | { | |
0299d313 | 8442 | if (! GC_WINDOWP (bar->window)) |
12ba150f JB |
8443 | abort (); |
8444 | ||
ab648270 | 8445 | emacs_event->kind = scroll_bar_click; |
69388238 | 8446 | emacs_event->code = event->xbutton.button - Button1; |
0299d313 RS |
8447 | emacs_event->modifiers |
8448 | = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO | |
8449 | (XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))), | |
8450 | event->xbutton.state) | |
8451 | | (event->type == ButtonRelease | |
8452 | ? up_modifier | |
8453 | : down_modifier)); | |
12ba150f | 8454 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 8455 | emacs_event->timestamp = event->xbutton.time; |
12ba150f | 8456 | { |
06a2c219 | 8457 | #if 0 |
d9cdbb3d | 8458 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
0299d313 | 8459 | int internal_height |
d9cdbb3d | 8460 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, XINT (bar->height)); |
06a2c219 | 8461 | #endif |
0299d313 | 8462 | int top_range |
d9cdbb3d | 8463 | = VERTICAL_SCROLL_BAR_TOP_RANGE (f, XINT (bar->height)); |
ab648270 | 8464 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; |
12ba150f JB |
8465 | |
8466 | if (y < 0) y = 0; | |
8467 | if (y > top_range) y = top_range; | |
8468 | ||
8469 | if (y < XINT (bar->start)) | |
ab648270 JB |
8470 | emacs_event->part = scroll_bar_above_handle; |
8471 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
8472 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 8473 | else |
ab648270 | 8474 | emacs_event->part = scroll_bar_below_handle; |
929787e1 JB |
8475 | |
8476 | /* Just because the user has clicked on the handle doesn't mean | |
5116f055 JB |
8477 | they want to drag it. Lisp code needs to be able to decide |
8478 | whether or not we're dragging. */ | |
929787e1 | 8479 | #if 0 |
12ba150f JB |
8480 | /* If the user has just clicked on the handle, record where they're |
8481 | holding it. */ | |
8482 | if (event->type == ButtonPress | |
ab648270 | 8483 | && emacs_event->part == scroll_bar_handle) |
e0c1aef2 | 8484 | XSETINT (bar->dragging, y - XINT (bar->start)); |
929787e1 | 8485 | #endif |
12ba150f JB |
8486 | |
8487 | /* If the user has released the handle, set it to its final position. */ | |
8488 | if (event->type == ButtonRelease | |
8489 | && ! NILP (bar->dragging)) | |
8490 | { | |
8491 | int new_start = y - XINT (bar->dragging); | |
8492 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 8493 | |
ab648270 | 8494 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
8495 | bar->dragging = Qnil; |
8496 | } | |
f451eb13 | 8497 | |
5116f055 JB |
8498 | /* Same deal here as the other #if 0. */ |
8499 | #if 0 | |
58769bee | 8500 | /* Clicks on the handle are always reported as occurring at the top of |
12ba150f | 8501 | the handle. */ |
ab648270 | 8502 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
8503 | emacs_event->x = bar->start; |
8504 | else | |
e0c1aef2 | 8505 | XSETINT (emacs_event->x, y); |
5116f055 | 8506 | #else |
e0c1aef2 | 8507 | XSETINT (emacs_event->x, y); |
5116f055 | 8508 | #endif |
f451eb13 | 8509 | |
e0c1aef2 | 8510 | XSETINT (emacs_event->y, top_range); |
12ba150f JB |
8511 | } |
8512 | } | |
f451eb13 | 8513 | |
ab648270 JB |
8514 | /* Handle some mouse motion while someone is dragging the scroll bar. |
8515 | ||
8516 | This may be called from a signal handler, so we have to ignore GC | |
8517 | mark bits. */ | |
06a2c219 | 8518 | |
f451eb13 | 8519 | static void |
ab648270 JB |
8520 | x_scroll_bar_note_movement (bar, event) |
8521 | struct scroll_bar *bar; | |
f451eb13 JB |
8522 | XEvent *event; |
8523 | { | |
39d8bb4d KH |
8524 | FRAME_PTR f = XFRAME (XWINDOW (bar->window)->frame); |
8525 | ||
f451eb13 JB |
8526 | last_mouse_movement_time = event->xmotion.time; |
8527 | ||
39d8bb4d | 8528 | f->mouse_moved = 1; |
e0c1aef2 | 8529 | XSETVECTOR (last_mouse_scroll_bar, bar); |
f451eb13 JB |
8530 | |
8531 | /* If we're dragging the bar, display it. */ | |
ab648270 | 8532 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
8533 | { |
8534 | /* Where should the handle be now? */ | |
12ba150f | 8535 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 8536 | |
12ba150f | 8537 | if (new_start != XINT (bar->start)) |
f451eb13 | 8538 | { |
12ba150f | 8539 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
58769bee | 8540 | |
ab648270 | 8541 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
8542 | } |
8543 | } | |
f451eb13 JB |
8544 | } |
8545 | ||
5c187dee GM |
8546 | #endif /* !USE_TOOLKIT_SCROLL_BARS */ |
8547 | ||
12ba150f | 8548 | /* Return information to the user about the current position of the mouse |
ab648270 | 8549 | on the scroll bar. */ |
06a2c219 | 8550 | |
12ba150f | 8551 | static void |
334208b7 RS |
8552 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time) |
8553 | FRAME_PTR *fp; | |
12ba150f | 8554 | Lisp_Object *bar_window; |
ab648270 | 8555 | enum scroll_bar_part *part; |
12ba150f JB |
8556 | Lisp_Object *x, *y; |
8557 | unsigned long *time; | |
8558 | { | |
ab648270 | 8559 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
334208b7 RS |
8560 | Window w = SCROLL_BAR_X_WINDOW (bar); |
8561 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
12ba150f | 8562 | int win_x, win_y; |
559cb2fb JB |
8563 | Window dummy_window; |
8564 | int dummy_coord; | |
8565 | unsigned int dummy_mask; | |
12ba150f | 8566 | |
cf7cb199 JB |
8567 | BLOCK_INPUT; |
8568 | ||
ab648270 | 8569 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f | 8570 | report that. */ |
334208b7 | 8571 | if (! XQueryPointer (FRAME_X_DISPLAY (f), w, |
12ba150f | 8572 | |
559cb2fb JB |
8573 | /* Root, child, root x and root y. */ |
8574 | &dummy_window, &dummy_window, | |
8575 | &dummy_coord, &dummy_coord, | |
12ba150f | 8576 | |
559cb2fb JB |
8577 | /* Position relative to scroll bar. */ |
8578 | &win_x, &win_y, | |
12ba150f | 8579 | |
559cb2fb JB |
8580 | /* Mouse buttons and modifier keys. */ |
8581 | &dummy_mask)) | |
7a13e894 | 8582 | ; |
559cb2fb JB |
8583 | else |
8584 | { | |
06a2c219 | 8585 | #if 0 |
559cb2fb | 8586 | int inside_height |
d9cdbb3d | 8587 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, XINT (bar->height)); |
06a2c219 | 8588 | #endif |
559cb2fb | 8589 | int top_range |
d9cdbb3d | 8590 | = VERTICAL_SCROLL_BAR_TOP_RANGE (f, XINT (bar->height)); |
559cb2fb JB |
8591 | |
8592 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; | |
8593 | ||
8594 | if (! NILP (bar->dragging)) | |
8595 | win_y -= XINT (bar->dragging); | |
8596 | ||
8597 | if (win_y < 0) | |
8598 | win_y = 0; | |
8599 | if (win_y > top_range) | |
8600 | win_y = top_range; | |
8601 | ||
334208b7 | 8602 | *fp = f; |
7a13e894 | 8603 | *bar_window = bar->window; |
559cb2fb JB |
8604 | |
8605 | if (! NILP (bar->dragging)) | |
8606 | *part = scroll_bar_handle; | |
8607 | else if (win_y < XINT (bar->start)) | |
8608 | *part = scroll_bar_above_handle; | |
8609 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
8610 | *part = scroll_bar_handle; | |
8611 | else | |
8612 | *part = scroll_bar_below_handle; | |
12ba150f | 8613 | |
e0c1aef2 KH |
8614 | XSETINT (*x, win_y); |
8615 | XSETINT (*y, top_range); | |
12ba150f | 8616 | |
39d8bb4d | 8617 | f->mouse_moved = 0; |
559cb2fb JB |
8618 | last_mouse_scroll_bar = Qnil; |
8619 | } | |
12ba150f | 8620 | |
559cb2fb | 8621 | *time = last_mouse_movement_time; |
cf7cb199 | 8622 | |
cf7cb199 | 8623 | UNBLOCK_INPUT; |
12ba150f JB |
8624 | } |
8625 | ||
f451eb13 | 8626 | |
dbc4e1c1 | 8627 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
8628 | background colors, and the scroll bars may need to be redrawn. |
8629 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
8630 | redraw them. */ |
8631 | ||
dfcf069d | 8632 | void |
ab648270 | 8633 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
8634 | FRAME_PTR f; |
8635 | { | |
06a2c219 | 8636 | #ifndef USE_TOOLKIT_SCROLL_BARS |
dbc4e1c1 JB |
8637 | Lisp_Object bar; |
8638 | ||
b80c363e RS |
8639 | /* We can have scroll bars even if this is 0, |
8640 | if we just turned off scroll bar mode. | |
8641 | But in that case we should not clear them. */ | |
8642 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) | |
8643 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); | |
8644 | bar = XSCROLL_BAR (bar)->next) | |
8645 | XClearArea (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), | |
8646 | 0, 0, 0, 0, True); | |
06a2c219 | 8647 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ |
dbc4e1c1 JB |
8648 | } |
8649 | ||
06a2c219 | 8650 | /* This processes Expose events from the menu-bar specific X event |
19126e11 | 8651 | loop in xmenu.c. This allows to redisplay the frame if necessary |
06a2c219 | 8652 | when handling menu-bar or pop-up items. */ |
3afe33e7 | 8653 | |
06a2c219 | 8654 | int |
3afe33e7 RS |
8655 | process_expose_from_menu (event) |
8656 | XEvent event; | |
8657 | { | |
8658 | FRAME_PTR f; | |
19126e11 | 8659 | struct x_display_info *dpyinfo; |
06a2c219 | 8660 | int frame_exposed_p = 0; |
3afe33e7 | 8661 | |
f94397b5 KH |
8662 | BLOCK_INPUT; |
8663 | ||
19126e11 KH |
8664 | dpyinfo = x_display_info_for_display (event.xexpose.display); |
8665 | f = x_window_to_frame (dpyinfo, event.xexpose.window); | |
3afe33e7 RS |
8666 | if (f) |
8667 | { | |
8668 | if (f->async_visible == 0) | |
8669 | { | |
8670 | f->async_visible = 1; | |
8671 | f->async_iconified = 0; | |
06c488fd | 8672 | f->output_data.x->has_been_visible = 1; |
3afe33e7 RS |
8673 | SET_FRAME_GARBAGED (f); |
8674 | } | |
8675 | else | |
8676 | { | |
06a2c219 GM |
8677 | expose_frame (x_window_to_frame (dpyinfo, event.xexpose.window), |
8678 | event.xexpose.x, event.xexpose.y, | |
8679 | event.xexpose.width, event.xexpose.height); | |
8680 | frame_exposed_p = 1; | |
3afe33e7 RS |
8681 | } |
8682 | } | |
8683 | else | |
8684 | { | |
8685 | struct scroll_bar *bar | |
8686 | = x_window_to_scroll_bar (event.xexpose.window); | |
58769bee | 8687 | |
3afe33e7 RS |
8688 | if (bar) |
8689 | x_scroll_bar_expose (bar, &event); | |
8690 | } | |
f94397b5 KH |
8691 | |
8692 | UNBLOCK_INPUT; | |
06a2c219 | 8693 | return frame_exposed_p; |
3afe33e7 | 8694 | } |
09756a85 RS |
8695 | \f |
8696 | /* Define a queue to save up SelectionRequest events for later handling. */ | |
8697 | ||
8698 | struct selection_event_queue | |
8699 | { | |
8700 | XEvent event; | |
8701 | struct selection_event_queue *next; | |
8702 | }; | |
8703 | ||
8704 | static struct selection_event_queue *queue; | |
8705 | ||
8706 | /* Nonzero means queue up certain events--don't process them yet. */ | |
06a2c219 | 8707 | |
09756a85 RS |
8708 | static int x_queue_selection_requests; |
8709 | ||
8710 | /* Queue up an X event *EVENT, to be processed later. */ | |
dbc4e1c1 | 8711 | |
09756a85 | 8712 | static void |
334208b7 RS |
8713 | x_queue_event (f, event) |
8714 | FRAME_PTR f; | |
09756a85 RS |
8715 | XEvent *event; |
8716 | { | |
8717 | struct selection_event_queue *queue_tmp | |
06a2c219 | 8718 | = (struct selection_event_queue *) xmalloc (sizeof (struct selection_event_queue)); |
09756a85 | 8719 | |
58769bee | 8720 | if (queue_tmp != NULL) |
09756a85 RS |
8721 | { |
8722 | queue_tmp->event = *event; | |
8723 | queue_tmp->next = queue; | |
8724 | queue = queue_tmp; | |
8725 | } | |
8726 | } | |
8727 | ||
8728 | /* Take all the queued events and put them back | |
8729 | so that they get processed afresh. */ | |
8730 | ||
8731 | static void | |
db3906fd RS |
8732 | x_unqueue_events (display) |
8733 | Display *display; | |
09756a85 | 8734 | { |
58769bee | 8735 | while (queue != NULL) |
09756a85 RS |
8736 | { |
8737 | struct selection_event_queue *queue_tmp = queue; | |
db3906fd | 8738 | XPutBackEvent (display, &queue_tmp->event); |
09756a85 | 8739 | queue = queue_tmp->next; |
06a2c219 | 8740 | xfree ((char *)queue_tmp); |
09756a85 RS |
8741 | } |
8742 | } | |
8743 | ||
8744 | /* Start queuing SelectionRequest events. */ | |
8745 | ||
8746 | void | |
db3906fd RS |
8747 | x_start_queuing_selection_requests (display) |
8748 | Display *display; | |
09756a85 RS |
8749 | { |
8750 | x_queue_selection_requests++; | |
8751 | } | |
8752 | ||
8753 | /* Stop queuing SelectionRequest events. */ | |
8754 | ||
8755 | void | |
db3906fd RS |
8756 | x_stop_queuing_selection_requests (display) |
8757 | Display *display; | |
09756a85 RS |
8758 | { |
8759 | x_queue_selection_requests--; | |
db3906fd | 8760 | x_unqueue_events (display); |
09756a85 | 8761 | } |
f451eb13 JB |
8762 | \f |
8763 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 8764 | |
06a2c219 | 8765 | /* Time stamp of enter window event. This is only used by XTread_socket, |
dc6f92b8 JB |
8766 | but we have to put it out here, since static variables within functions |
8767 | sometimes don't work. */ | |
06a2c219 | 8768 | |
dc6f92b8 JB |
8769 | static Time enter_timestamp; |
8770 | ||
11edeb03 | 8771 | /* This holds the state XLookupString needs to implement dead keys |
58769bee | 8772 | and other tricks known as "compose processing". _X Window System_ |
11edeb03 JB |
8773 | says that a portable program can't use this, but Stephen Gildea assures |
8774 | me that letting the compiler initialize it to zeros will work okay. | |
8775 | ||
8776 | This must be defined outside of XTread_socket, for the same reasons | |
06a2c219 GM |
8777 | given for enter_time stamp, above. */ |
8778 | ||
11edeb03 JB |
8779 | static XComposeStatus compose_status; |
8780 | ||
10e6549c RS |
8781 | /* Record the last 100 characters stored |
8782 | to help debug the loss-of-chars-during-GC problem. */ | |
06a2c219 | 8783 | |
2224b905 RS |
8784 | static int temp_index; |
8785 | static short temp_buffer[100]; | |
10e6549c | 8786 | |
7a13e894 RS |
8787 | /* Set this to nonzero to fake an "X I/O error" |
8788 | on a particular display. */ | |
06a2c219 | 8789 | |
7a13e894 RS |
8790 | struct x_display_info *XTread_socket_fake_io_error; |
8791 | ||
2224b905 RS |
8792 | /* When we find no input here, we occasionally do a no-op command |
8793 | to verify that the X server is still running and we can still talk with it. | |
8794 | We try all the open displays, one by one. | |
8795 | This variable is used for cycling thru the displays. */ | |
06a2c219 | 8796 | |
2224b905 RS |
8797 | static struct x_display_info *next_noop_dpyinfo; |
8798 | ||
06a2c219 GM |
8799 | #define SET_SAVED_MENU_EVENT(size) \ |
8800 | do \ | |
8801 | { \ | |
8802 | if (f->output_data.x->saved_menu_event == 0) \ | |
8803 | f->output_data.x->saved_menu_event \ | |
8804 | = (XEvent *) xmalloc (sizeof (XEvent)); \ | |
8805 | bcopy (&event, f->output_data.x->saved_menu_event, size); \ | |
8806 | if (numchars >= 1) \ | |
8807 | { \ | |
8808 | bufp->kind = menu_bar_activate_event; \ | |
8809 | XSETFRAME (bufp->frame_or_window, f); \ | |
8810 | bufp++; \ | |
8811 | count++; \ | |
8812 | numchars--; \ | |
8813 | } \ | |
8814 | } \ | |
8815 | while (0) | |
8816 | ||
8805890a | 8817 | #define SET_SAVED_BUTTON_EVENT SET_SAVED_MENU_EVENT (sizeof (XButtonEvent)) |
06a2c219 | 8818 | #define SET_SAVED_KEY_EVENT SET_SAVED_MENU_EVENT (sizeof (XKeyEvent)) |
8805890a | 8819 | |
dc6f92b8 JB |
8820 | /* Read events coming from the X server. |
8821 | This routine is called by the SIGIO handler. | |
8822 | We return as soon as there are no more events to be read. | |
8823 | ||
8824 | Events representing keys are stored in buffer BUFP, | |
8825 | which can hold up to NUMCHARS characters. | |
8826 | We return the number of characters stored into the buffer, | |
8827 | thus pretending to be `read'. | |
8828 | ||
dc6f92b8 JB |
8829 | EXPECTED is nonzero if the caller knows input is available. */ |
8830 | ||
7c5283e4 | 8831 | int |
f66868ba | 8832 | XTread_socket (sd, bufp, numchars, expected) |
dc6f92b8 | 8833 | register int sd; |
8805890a KH |
8834 | /* register */ struct input_event *bufp; |
8835 | /* register */ int numchars; | |
dc6f92b8 JB |
8836 | int expected; |
8837 | { | |
8838 | int count = 0; | |
8839 | int nbytes = 0; | |
dc6f92b8 | 8840 | XEvent event; |
f676886a | 8841 | struct frame *f; |
66f55a9d | 8842 | int event_found = 0; |
334208b7 | 8843 | struct x_display_info *dpyinfo; |
dc6f92b8 | 8844 | |
9ac0d9e0 | 8845 | if (interrupt_input_blocked) |
dc6f92b8 | 8846 | { |
9ac0d9e0 | 8847 | interrupt_input_pending = 1; |
dc6f92b8 JB |
8848 | return -1; |
8849 | } | |
8850 | ||
9ac0d9e0 | 8851 | interrupt_input_pending = 0; |
dc6f92b8 | 8852 | BLOCK_INPUT; |
c0a04927 RS |
8853 | |
8854 | /* So people can tell when we have read the available input. */ | |
8855 | input_signal_count++; | |
8856 | ||
dc6f92b8 | 8857 | if (numchars <= 0) |
06a2c219 | 8858 | abort (); /* Don't think this happens. */ |
dc6f92b8 | 8859 | |
7a13e894 RS |
8860 | /* Find the display we are supposed to read input for. |
8861 | It's the one communicating on descriptor SD. */ | |
8862 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
8863 | { | |
8864 | #if 0 /* This ought to be unnecessary; let's verify it. */ | |
dc6f92b8 | 8865 | #ifdef FIOSNBIO |
7a13e894 RS |
8866 | /* If available, Xlib uses FIOSNBIO to make the socket |
8867 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
e6cbea31 | 8868 | FIOSNBIO is ignored, and instead of signaling EWOULDBLOCK, |
06a2c219 | 8869 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ |
7a13e894 | 8870 | fcntl (dpyinfo->connection, F_SETFL, 0); |
c118dd06 | 8871 | #endif /* ! defined (FIOSNBIO) */ |
7a13e894 | 8872 | #endif |
dc6f92b8 | 8873 | |
7a13e894 RS |
8874 | #if 0 /* This code can't be made to work, with multiple displays, |
8875 | and appears not to be used on any system any more. | |
8876 | Also keyboard.c doesn't turn O_NDELAY on and off | |
8877 | for X connections. */ | |
dc6f92b8 JB |
8878 | #ifndef SIGIO |
8879 | #ifndef HAVE_SELECT | |
7a13e894 RS |
8880 | if (! (fcntl (dpyinfo->connection, F_GETFL, 0) & O_NDELAY)) |
8881 | { | |
8882 | extern int read_alarm_should_throw; | |
8883 | read_alarm_should_throw = 1; | |
8884 | XPeekEvent (dpyinfo->display, &event); | |
8885 | read_alarm_should_throw = 0; | |
8886 | } | |
c118dd06 JB |
8887 | #endif /* HAVE_SELECT */ |
8888 | #endif /* SIGIO */ | |
7a13e894 | 8889 | #endif |
dc6f92b8 | 8890 | |
7a13e894 RS |
8891 | /* For debugging, this gives a way to fake an I/O error. */ |
8892 | if (dpyinfo == XTread_socket_fake_io_error) | |
8893 | { | |
8894 | XTread_socket_fake_io_error = 0; | |
8895 | x_io_error_quitter (dpyinfo->display); | |
8896 | } | |
dc6f92b8 | 8897 | |
06a2c219 | 8898 | while (XPending (dpyinfo->display)) |
dc6f92b8 | 8899 | { |
7a13e894 | 8900 | XNextEvent (dpyinfo->display, &event); |
06a2c219 | 8901 | |
531483fb | 8902 | #ifdef HAVE_X_I18N |
d1bc4182 | 8903 | { |
f2be1146 GM |
8904 | /* Filter events for the current X input method. |
8905 | XFilterEvent returns non-zero if the input method has | |
8906 | consumed the event. We pass the frame's X window to | |
8907 | XFilterEvent because that's the one for which the IC | |
8908 | was created. */ | |
f5d11644 GM |
8909 | struct frame *f1 = x_any_window_to_frame (dpyinfo, |
8910 | event.xclient.window); | |
8911 | if (XFilterEvent (&event, f1 ? FRAME_X_WINDOW (f1) : None)) | |
d1bc4182 RS |
8912 | break; |
8913 | } | |
0cd6403b | 8914 | #endif |
7a13e894 RS |
8915 | event_found = 1; |
8916 | ||
8917 | switch (event.type) | |
8918 | { | |
8919 | case ClientMessage: | |
c047688c | 8920 | { |
7a13e894 RS |
8921 | if (event.xclient.message_type |
8922 | == dpyinfo->Xatom_wm_protocols | |
8923 | && event.xclient.format == 32) | |
c047688c | 8924 | { |
7a13e894 RS |
8925 | if (event.xclient.data.l[0] |
8926 | == dpyinfo->Xatom_wm_take_focus) | |
c047688c | 8927 | { |
8c1a6a84 RS |
8928 | /* Use x_any_window_to_frame because this |
8929 | could be the shell widget window | |
8930 | if the frame has no title bar. */ | |
8931 | f = x_any_window_to_frame (dpyinfo, event.xclient.window); | |
6c183ba5 RS |
8932 | #ifdef HAVE_X_I18N |
8933 | /* Not quite sure this is needed -pd */ | |
8c1a6a84 | 8934 | if (f && FRAME_XIC (f)) |
6c183ba5 RS |
8935 | XSetICFocus (FRAME_XIC (f)); |
8936 | #endif | |
f1da8f06 GM |
8937 | #if 0 /* Emacs sets WM hints whose `input' field is `true'. This |
8938 | instructs the WM to set the input focus automatically for | |
8939 | Emacs with a call to XSetInputFocus. Setting WM_TAKE_FOCUS | |
8940 | tells the WM to send us a ClientMessage WM_TAKE_FOCUS after | |
8941 | it has set the focus. So, XSetInputFocus below is not | |
8942 | needed. | |
8943 | ||
8944 | The call to XSetInputFocus below has also caused trouble. In | |
8945 | cases where the XSetInputFocus done by the WM and the one | |
8946 | below are temporally close (on a fast machine), the call | |
8947 | below can generate additional FocusIn events which confuse | |
8948 | Emacs. */ | |
8949 | ||
bf7253f4 RS |
8950 | /* Since we set WM_TAKE_FOCUS, we must call |
8951 | XSetInputFocus explicitly. But not if f is null, | |
8952 | since that might be an event for a deleted frame. */ | |
7a13e894 | 8953 | if (f) |
bf7253f4 RS |
8954 | { |
8955 | Display *d = event.xclient.display; | |
8956 | /* Catch and ignore errors, in case window has been | |
8957 | iconified by a window manager such as GWM. */ | |
8958 | int count = x_catch_errors (d); | |
8959 | XSetInputFocus (d, event.xclient.window, | |
e1f6572f RS |
8960 | /* The ICCCM says this is |
8961 | the only valid choice. */ | |
8962 | RevertToParent, | |
bf7253f4 RS |
8963 | event.xclient.data.l[1]); |
8964 | /* This is needed to detect the error | |
8965 | if there is an error. */ | |
8966 | XSync (d, False); | |
8967 | x_uncatch_errors (d, count); | |
8968 | } | |
7a13e894 | 8969 | /* Not certain about handling scroll bars here */ |
f1da8f06 | 8970 | #endif /* 0 */ |
c047688c | 8971 | } |
7a13e894 RS |
8972 | else if (event.xclient.data.l[0] |
8973 | == dpyinfo->Xatom_wm_save_yourself) | |
8974 | { | |
8975 | /* Save state modify the WM_COMMAND property to | |
06a2c219 | 8976 | something which can reinstate us. This notifies |
7a13e894 RS |
8977 | the session manager, who's looking for such a |
8978 | PropertyNotify. Can restart processing when | |
06a2c219 | 8979 | a keyboard or mouse event arrives. */ |
7a13e894 RS |
8980 | if (numchars > 0) |
8981 | { | |
19126e11 KH |
8982 | f = x_top_window_to_frame (dpyinfo, |
8983 | event.xclient.window); | |
7a13e894 RS |
8984 | |
8985 | /* This is just so we only give real data once | |
8986 | for a single Emacs process. */ | |
b86bd3dd | 8987 | if (f == SELECTED_FRAME ()) |
7a13e894 RS |
8988 | XSetCommand (FRAME_X_DISPLAY (f), |
8989 | event.xclient.window, | |
8990 | initial_argv, initial_argc); | |
f000f5c5 | 8991 | else if (f) |
7a13e894 RS |
8992 | XSetCommand (FRAME_X_DISPLAY (f), |
8993 | event.xclient.window, | |
8994 | 0, 0); | |
8995 | } | |
8996 | } | |
8997 | else if (event.xclient.data.l[0] | |
8998 | == dpyinfo->Xatom_wm_delete_window) | |
1fb20991 | 8999 | { |
19126e11 KH |
9000 | struct frame *f |
9001 | = x_any_window_to_frame (dpyinfo, | |
9002 | event.xclient.window); | |
1fb20991 | 9003 | |
7a13e894 RS |
9004 | if (f) |
9005 | { | |
9006 | if (numchars == 0) | |
9007 | abort (); | |
1fb20991 | 9008 | |
7a13e894 RS |
9009 | bufp->kind = delete_window_event; |
9010 | XSETFRAME (bufp->frame_or_window, f); | |
9011 | bufp++; | |
9012 | ||
9013 | count += 1; | |
9014 | numchars -= 1; | |
9015 | } | |
1fb20991 | 9016 | } |
c047688c | 9017 | } |
7a13e894 RS |
9018 | else if (event.xclient.message_type |
9019 | == dpyinfo->Xatom_wm_configure_denied) | |
9020 | { | |
9021 | } | |
9022 | else if (event.xclient.message_type | |
9023 | == dpyinfo->Xatom_wm_window_moved) | |
9024 | { | |
9025 | int new_x, new_y; | |
19126e11 KH |
9026 | struct frame *f |
9027 | = x_window_to_frame (dpyinfo, event.xclient.window); | |
58769bee | 9028 | |
7a13e894 RS |
9029 | new_x = event.xclient.data.s[0]; |
9030 | new_y = event.xclient.data.s[1]; | |
1fb20991 | 9031 | |
7a13e894 RS |
9032 | if (f) |
9033 | { | |
7556890b RS |
9034 | f->output_data.x->left_pos = new_x; |
9035 | f->output_data.x->top_pos = new_y; | |
7a13e894 | 9036 | } |
1fb20991 | 9037 | } |
0fdff6bb | 9038 | #ifdef HACK_EDITRES |
7a13e894 RS |
9039 | else if (event.xclient.message_type |
9040 | == dpyinfo->Xatom_editres) | |
9041 | { | |
19126e11 KH |
9042 | struct frame *f |
9043 | = x_any_window_to_frame (dpyinfo, event.xclient.window); | |
7556890b | 9044 | _XEditResCheckMessages (f->output_data.x->widget, NULL, |
19126e11 | 9045 | &event, NULL); |
7a13e894 | 9046 | } |
0fdff6bb | 9047 | #endif /* HACK_EDITRES */ |
06a2c219 GM |
9048 | else if ((event.xclient.message_type |
9049 | == dpyinfo->Xatom_DONE) | |
9050 | || (event.xclient.message_type | |
9051 | == dpyinfo->Xatom_PAGE)) | |
9052 | { | |
9053 | /* Ghostview job completed. Kill it. We could | |
9054 | reply with "Next" if we received "Page", but we | |
9055 | currently never do because we are interested in | |
9056 | images, only, which should have 1 page. */ | |
06a2c219 GM |
9057 | Pixmap pixmap = (Pixmap) event.xclient.data.l[1]; |
9058 | struct frame *f | |
9059 | = x_window_to_frame (dpyinfo, event.xclient.window); | |
9060 | x_kill_gs_process (pixmap, f); | |
9061 | expose_frame (f, 0, 0, 0, 0); | |
9062 | } | |
9063 | #ifdef USE_TOOLKIT_SCROLL_BARS | |
9064 | /* Scroll bar callbacks send a ClientMessage from which | |
9065 | we construct an input_event. */ | |
9066 | else if (event.xclient.message_type | |
9067 | == dpyinfo->Xatom_Scrollbar) | |
9068 | { | |
9069 | x_scroll_bar_to_input_event (&event, bufp); | |
9070 | ++bufp, ++count, --numchars; | |
9071 | goto out; | |
9072 | } | |
9073 | #endif /* USE_TOOLKIT_SCROLL_BARS */ | |
9074 | else | |
9075 | goto OTHER; | |
7a13e894 RS |
9076 | } |
9077 | break; | |
dc6f92b8 | 9078 | |
7a13e894 | 9079 | case SelectionNotify: |
3afe33e7 | 9080 | #ifdef USE_X_TOOLKIT |
19126e11 | 9081 | if (! x_window_to_frame (dpyinfo, event.xselection.requestor)) |
7a13e894 | 9082 | goto OTHER; |
3afe33e7 | 9083 | #endif /* not USE_X_TOOLKIT */ |
dfcf069d | 9084 | x_handle_selection_notify (&event.xselection); |
7a13e894 | 9085 | break; |
d56a553a | 9086 | |
06a2c219 | 9087 | case SelectionClear: /* Someone has grabbed ownership. */ |
3afe33e7 | 9088 | #ifdef USE_X_TOOLKIT |
19126e11 | 9089 | if (! x_window_to_frame (dpyinfo, event.xselectionclear.window)) |
7a13e894 | 9090 | goto OTHER; |
3afe33e7 | 9091 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
9092 | { |
9093 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; | |
d56a553a | 9094 | |
7a13e894 RS |
9095 | if (numchars == 0) |
9096 | abort (); | |
d56a553a | 9097 | |
7a13e894 RS |
9098 | bufp->kind = selection_clear_event; |
9099 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
9100 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
9101 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
e6cbea31 | 9102 | bufp->frame_or_window = Qnil; |
7a13e894 | 9103 | bufp++; |
d56a553a | 9104 | |
7a13e894 RS |
9105 | count += 1; |
9106 | numchars -= 1; | |
9107 | } | |
9108 | break; | |
dc6f92b8 | 9109 | |
06a2c219 | 9110 | case SelectionRequest: /* Someone wants our selection. */ |
3afe33e7 | 9111 | #ifdef USE_X_TOOLKIT |
19126e11 | 9112 | if (!x_window_to_frame (dpyinfo, event.xselectionrequest.owner)) |
7a13e894 | 9113 | goto OTHER; |
3afe33e7 | 9114 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 9115 | if (x_queue_selection_requests) |
19126e11 | 9116 | x_queue_event (x_window_to_frame (dpyinfo, event.xselectionrequest.owner), |
7a13e894 RS |
9117 | &event); |
9118 | else | |
9119 | { | |
9120 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; | |
dc6f92b8 | 9121 | |
7a13e894 RS |
9122 | if (numchars == 0) |
9123 | abort (); | |
9124 | ||
9125 | bufp->kind = selection_request_event; | |
9126 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
9127 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
9128 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
9129 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
9130 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
9131 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
e6cbea31 | 9132 | bufp->frame_or_window = Qnil; |
7a13e894 RS |
9133 | bufp++; |
9134 | ||
9135 | count += 1; | |
9136 | numchars -= 1; | |
9137 | } | |
9138 | break; | |
9139 | ||
9140 | case PropertyNotify: | |
3afe33e7 | 9141 | #ifdef USE_X_TOOLKIT |
19126e11 | 9142 | if (!x_any_window_to_frame (dpyinfo, event.xproperty.window)) |
7a13e894 | 9143 | goto OTHER; |
3afe33e7 | 9144 | #endif /* not USE_X_TOOLKIT */ |
dfcf069d | 9145 | x_handle_property_notify (&event.xproperty); |
7a13e894 | 9146 | break; |
dc6f92b8 | 9147 | |
7a13e894 | 9148 | case ReparentNotify: |
19126e11 | 9149 | f = x_top_window_to_frame (dpyinfo, event.xreparent.window); |
7a13e894 RS |
9150 | if (f) |
9151 | { | |
9152 | int x, y; | |
7556890b | 9153 | f->output_data.x->parent_desc = event.xreparent.parent; |
7a13e894 | 9154 | x_real_positions (f, &x, &y); |
7556890b RS |
9155 | f->output_data.x->left_pos = x; |
9156 | f->output_data.x->top_pos = y; | |
7a13e894 RS |
9157 | } |
9158 | break; | |
3bd330d4 | 9159 | |
7a13e894 | 9160 | case Expose: |
19126e11 | 9161 | f = x_window_to_frame (dpyinfo, event.xexpose.window); |
7a13e894 | 9162 | if (f) |
dc6f92b8 | 9163 | { |
7a13e894 RS |
9164 | if (f->async_visible == 0) |
9165 | { | |
9166 | f->async_visible = 1; | |
9167 | f->async_iconified = 0; | |
06c488fd | 9168 | f->output_data.x->has_been_visible = 1; |
7a13e894 RS |
9169 | SET_FRAME_GARBAGED (f); |
9170 | } | |
9171 | else | |
06a2c219 GM |
9172 | expose_frame (x_window_to_frame (dpyinfo, |
9173 | event.xexpose.window), | |
9174 | event.xexpose.x, event.xexpose.y, | |
9175 | event.xexpose.width, event.xexpose.height); | |
dc6f92b8 JB |
9176 | } |
9177 | else | |
7a13e894 | 9178 | { |
06a2c219 GM |
9179 | #ifdef USE_TOOLKIT_SCROLL_BARS |
9180 | /* Dispatch event to the widget. */ | |
9181 | goto OTHER; | |
9182 | #else /* not USE_TOOLKIT_SCROLL_BARS */ | |
7a13e894 RS |
9183 | struct scroll_bar *bar |
9184 | = x_window_to_scroll_bar (event.xexpose.window); | |
58769bee | 9185 | |
7a13e894 RS |
9186 | if (bar) |
9187 | x_scroll_bar_expose (bar, &event); | |
3afe33e7 | 9188 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
9189 | else |
9190 | goto OTHER; | |
3afe33e7 | 9191 | #endif /* USE_X_TOOLKIT */ |
06a2c219 | 9192 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ |
7a13e894 RS |
9193 | } |
9194 | break; | |
dc6f92b8 | 9195 | |
7a13e894 RS |
9196 | case GraphicsExpose: /* This occurs when an XCopyArea's |
9197 | source area was obscured or not | |
9198 | available.*/ | |
19126e11 | 9199 | f = x_window_to_frame (dpyinfo, event.xgraphicsexpose.drawable); |
7a13e894 RS |
9200 | if (f) |
9201 | { | |
06a2c219 GM |
9202 | expose_frame (f, |
9203 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
9204 | event.xgraphicsexpose.width, | |
9205 | event.xgraphicsexpose.height); | |
7a13e894 | 9206 | } |
3afe33e7 | 9207 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
9208 | else |
9209 | goto OTHER; | |
3afe33e7 | 9210 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 9211 | break; |
dc6f92b8 | 9212 | |
7a13e894 | 9213 | case NoExpose: /* This occurs when an XCopyArea's |
06a2c219 GM |
9214 | source area was completely |
9215 | available */ | |
7a13e894 | 9216 | break; |
dc6f92b8 | 9217 | |
7a13e894 | 9218 | case UnmapNotify: |
06a2c219 GM |
9219 | /* Redo the mouse-highlight after the tooltip has gone. */ |
9220 | if (event.xmap.window == tip_window) | |
9221 | { | |
9222 | tip_window = 0; | |
9223 | redo_mouse_highlight (); | |
9224 | } | |
9225 | ||
91ea2a7a | 9226 | f = x_top_window_to_frame (dpyinfo, event.xunmap.window); |
7a13e894 RS |
9227 | if (f) /* F may no longer exist if |
9228 | the frame was deleted. */ | |
9229 | { | |
9230 | /* While a frame is unmapped, display generation is | |
9231 | disabled; you don't want to spend time updating a | |
9232 | display that won't ever be seen. */ | |
9233 | f->async_visible = 0; | |
9234 | /* We can't distinguish, from the event, whether the window | |
9235 | has become iconified or invisible. So assume, if it | |
9236 | was previously visible, than now it is iconified. | |
1aa6072f RS |
9237 | But x_make_frame_invisible clears both |
9238 | the visible flag and the iconified flag; | |
9239 | and that way, we know the window is not iconified now. */ | |
7a13e894 | 9240 | if (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f)) |
1aa6072f RS |
9241 | { |
9242 | f->async_iconified = 1; | |
bddd097c | 9243 | |
1aa6072f RS |
9244 | bufp->kind = iconify_event; |
9245 | XSETFRAME (bufp->frame_or_window, f); | |
9246 | bufp++; | |
9247 | count++; | |
9248 | numchars--; | |
9249 | } | |
7a13e894 | 9250 | } |
7a13e894 | 9251 | goto OTHER; |
dc6f92b8 | 9252 | |
7a13e894 | 9253 | case MapNotify: |
06a2c219 GM |
9254 | if (event.xmap.window == tip_window) |
9255 | /* The tooltip has been drawn already. Avoid | |
9256 | the SET_FRAME_GARBAGED below. */ | |
9257 | goto OTHER; | |
9258 | ||
9259 | /* We use x_top_window_to_frame because map events can | |
9260 | come for sub-windows and they don't mean that the | |
9261 | frame is visible. */ | |
19126e11 | 9262 | f = x_top_window_to_frame (dpyinfo, event.xmap.window); |
7a13e894 RS |
9263 | if (f) |
9264 | { | |
9265 | f->async_visible = 1; | |
9266 | f->async_iconified = 0; | |
06c488fd | 9267 | f->output_data.x->has_been_visible = 1; |
dc6f92b8 | 9268 | |
7a13e894 RS |
9269 | /* wait_reading_process_input will notice this and update |
9270 | the frame's display structures. */ | |
9271 | SET_FRAME_GARBAGED (f); | |
bddd097c | 9272 | |
d806e720 RS |
9273 | if (f->iconified) |
9274 | { | |
9275 | bufp->kind = deiconify_event; | |
9276 | XSETFRAME (bufp->frame_or_window, f); | |
9277 | bufp++; | |
9278 | count++; | |
9279 | numchars--; | |
9280 | } | |
e73ec6fa | 9281 | else if (! NILP (Vframe_list) |
8e713be6 | 9282 | && ! NILP (XCDR (Vframe_list))) |
78aa2ba5 KH |
9283 | /* Force a redisplay sooner or later |
9284 | to update the frame titles | |
9285 | in case this is the second frame. */ | |
9286 | record_asynch_buffer_change (); | |
7a13e894 | 9287 | } |
7a13e894 | 9288 | goto OTHER; |
dc6f92b8 | 9289 | |
7a13e894 | 9290 | case KeyPress: |
19126e11 | 9291 | f = x_any_window_to_frame (dpyinfo, event.xkey.window); |
f451eb13 | 9292 | |
06a2c219 GM |
9293 | #ifdef USE_MOTIF |
9294 | /* I couldn't find a way to prevent LessTif scroll bars | |
9295 | from consuming key events. */ | |
9296 | if (f == 0) | |
9297 | { | |
9298 | Widget widget = XtWindowToWidget (dpyinfo->display, | |
9299 | event.xkey.window); | |
9300 | if (widget && XmIsScrollBar (widget)) | |
9301 | { | |
9302 | widget = XtParent (widget); | |
9303 | f = x_any_window_to_frame (dpyinfo, XtWindow (widget)); | |
9304 | } | |
9305 | } | |
9306 | #endif /* USE_MOTIF */ | |
9307 | ||
7a13e894 RS |
9308 | if (f != 0) |
9309 | { | |
9310 | KeySym keysym, orig_keysym; | |
9311 | /* al%imercury@uunet.uu.net says that making this 81 instead of | |
9312 | 80 fixed a bug whereby meta chars made his Emacs hang. */ | |
9313 | unsigned char copy_buffer[81]; | |
9314 | int modifiers; | |
64bb1782 | 9315 | |
7a13e894 RS |
9316 | event.xkey.state |
9317 | |= x_emacs_to_x_modifiers (FRAME_X_DISPLAY_INFO (f), | |
9318 | extra_keyboard_modifiers); | |
9319 | modifiers = event.xkey.state; | |
3a2712f9 | 9320 | |
7a13e894 | 9321 | /* This will have to go some day... */ |
752a043f | 9322 | |
7a13e894 RS |
9323 | /* make_lispy_event turns chars into control chars. |
9324 | Don't do it here because XLookupString is too eager. */ | |
9325 | event.xkey.state &= ~ControlMask; | |
5d46f928 RS |
9326 | event.xkey.state &= ~(dpyinfo->meta_mod_mask |
9327 | | dpyinfo->super_mod_mask | |
9328 | | dpyinfo->hyper_mod_mask | |
9329 | | dpyinfo->alt_mod_mask); | |
9330 | ||
1cf4a0d1 RS |
9331 | /* In case Meta is ComposeCharacter, |
9332 | clear its status. According to Markus Ehrnsperger | |
9333 | Markus.Ehrnsperger@lehrstuhl-bross.physik.uni-muenchen.de | |
9334 | this enables ComposeCharacter to work whether or | |
9335 | not it is combined with Meta. */ | |
9336 | if (modifiers & dpyinfo->meta_mod_mask) | |
9337 | bzero (&compose_status, sizeof (compose_status)); | |
9338 | ||
6c183ba5 RS |
9339 | #ifdef HAVE_X_I18N |
9340 | if (FRAME_XIC (f)) | |
9341 | { | |
f5d11644 GM |
9342 | unsigned char *copy_bufptr = copy_buffer; |
9343 | int copy_bufsiz = sizeof (copy_buffer); | |
9344 | Status status_return; | |
9345 | ||
6c183ba5 | 9346 | nbytes = XmbLookupString (FRAME_XIC (f), |
f5d11644 GM |
9347 | &event.xkey, copy_bufptr, |
9348 | copy_bufsiz, &keysym, | |
6c183ba5 | 9349 | &status_return); |
f5d11644 GM |
9350 | if (status_return == XBufferOverflow) |
9351 | { | |
9352 | copy_bufsiz = nbytes + 1; | |
9353 | copy_bufptr = (char *) alloca (copy_bufsiz); | |
9354 | nbytes = XmbLookupString (FRAME_XIC (f), | |
9355 | &event.xkey, copy_bufptr, | |
9356 | copy_bufsiz, &keysym, | |
9357 | &status_return); | |
9358 | } | |
9359 | ||
1decb680 PE |
9360 | if (status_return == XLookupNone) |
9361 | break; | |
9362 | else if (status_return == XLookupChars) | |
9363 | keysym = NoSymbol; | |
9364 | else if (status_return != XLookupKeySym | |
9365 | && status_return != XLookupBoth) | |
9366 | abort (); | |
6c183ba5 RS |
9367 | } |
9368 | else | |
9369 | nbytes = XLookupString (&event.xkey, copy_buffer, | |
9370 | 80, &keysym, &compose_status); | |
9371 | #else | |
0299d313 RS |
9372 | nbytes = XLookupString (&event.xkey, copy_buffer, |
9373 | 80, &keysym, &compose_status); | |
6c183ba5 | 9374 | #endif |
dc6f92b8 | 9375 | |
7a13e894 | 9376 | orig_keysym = keysym; |
55123275 | 9377 | |
7a13e894 RS |
9378 | if (numchars > 1) |
9379 | { | |
9380 | if (((keysym >= XK_BackSpace && keysym <= XK_Escape) | |
9381 | || keysym == XK_Delete | |
1097aea0 | 9382 | #ifdef XK_ISO_Left_Tab |
441affdb | 9383 | || (keysym >= XK_ISO_Left_Tab && keysym <= XK_ISO_Enter) |
1097aea0 | 9384 | #endif |
852bff8f | 9385 | || (keysym >= XK_Kanji && keysym <= XK_Eisu_toggle) |
7a13e894 RS |
9386 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ |
9387 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < VARIES */ | |
c34790e0 | 9388 | #ifdef HPUX |
7a13e894 RS |
9389 | /* This recognizes the "extended function keys". |
9390 | It seems there's no cleaner way. | |
9391 | Test IsModifierKey to avoid handling mode_switch | |
9392 | incorrectly. */ | |
9393 | || ((unsigned) (keysym) >= XK_Select | |
9394 | && (unsigned)(keysym) < XK_KP_Space) | |
69388238 RS |
9395 | #endif |
9396 | #ifdef XK_dead_circumflex | |
7a13e894 | 9397 | || orig_keysym == XK_dead_circumflex |
69388238 RS |
9398 | #endif |
9399 | #ifdef XK_dead_grave | |
7a13e894 | 9400 | || orig_keysym == XK_dead_grave |
69388238 RS |
9401 | #endif |
9402 | #ifdef XK_dead_tilde | |
7a13e894 | 9403 | || orig_keysym == XK_dead_tilde |
69388238 RS |
9404 | #endif |
9405 | #ifdef XK_dead_diaeresis | |
7a13e894 | 9406 | || orig_keysym == XK_dead_diaeresis |
69388238 RS |
9407 | #endif |
9408 | #ifdef XK_dead_macron | |
7a13e894 | 9409 | || orig_keysym == XK_dead_macron |
69388238 RS |
9410 | #endif |
9411 | #ifdef XK_dead_degree | |
7a13e894 | 9412 | || orig_keysym == XK_dead_degree |
69388238 RS |
9413 | #endif |
9414 | #ifdef XK_dead_acute | |
7a13e894 | 9415 | || orig_keysym == XK_dead_acute |
69388238 RS |
9416 | #endif |
9417 | #ifdef XK_dead_cedilla | |
7a13e894 | 9418 | || orig_keysym == XK_dead_cedilla |
69388238 RS |
9419 | #endif |
9420 | #ifdef XK_dead_breve | |
7a13e894 | 9421 | || orig_keysym == XK_dead_breve |
69388238 RS |
9422 | #endif |
9423 | #ifdef XK_dead_ogonek | |
7a13e894 | 9424 | || orig_keysym == XK_dead_ogonek |
69388238 RS |
9425 | #endif |
9426 | #ifdef XK_dead_caron | |
7a13e894 | 9427 | || orig_keysym == XK_dead_caron |
69388238 RS |
9428 | #endif |
9429 | #ifdef XK_dead_doubleacute | |
7a13e894 | 9430 | || orig_keysym == XK_dead_doubleacute |
69388238 RS |
9431 | #endif |
9432 | #ifdef XK_dead_abovedot | |
7a13e894 | 9433 | || orig_keysym == XK_dead_abovedot |
c34790e0 | 9434 | #endif |
7a13e894 RS |
9435 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ |
9436 | || IsFunctionKey (keysym) /* 0xffbe <= x < 0xffe1 */ | |
9437 | /* Any "vendor-specific" key is ok. */ | |
9438 | || (orig_keysym & (1 << 28))) | |
9439 | && ! (IsModifierKey (orig_keysym) | |
7719aa06 RS |
9440 | #ifndef HAVE_X11R5 |
9441 | #ifdef XK_Mode_switch | |
7a13e894 | 9442 | || ((unsigned)(orig_keysym) == XK_Mode_switch) |
7719aa06 RS |
9443 | #endif |
9444 | #ifdef XK_Num_Lock | |
7a13e894 | 9445 | || ((unsigned)(orig_keysym) == XK_Num_Lock) |
7719aa06 RS |
9446 | #endif |
9447 | #endif /* not HAVE_X11R5 */ | |
7a13e894 | 9448 | )) |
dc6f92b8 | 9449 | { |
10e6549c RS |
9450 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
9451 | temp_index = 0; | |
7a13e894 RS |
9452 | temp_buffer[temp_index++] = keysym; |
9453 | bufp->kind = non_ascii_keystroke; | |
9454 | bufp->code = keysym; | |
e0c1aef2 | 9455 | XSETFRAME (bufp->frame_or_window, f); |
334208b7 RS |
9456 | bufp->modifiers |
9457 | = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), | |
9458 | modifiers); | |
1113d9db | 9459 | bufp->timestamp = event.xkey.time; |
dc6f92b8 | 9460 | bufp++; |
7a13e894 RS |
9461 | count++; |
9462 | numchars--; | |
dc6f92b8 | 9463 | } |
7a13e894 RS |
9464 | else if (numchars > nbytes) |
9465 | { | |
9466 | register int i; | |
9467 | ||
9468 | for (i = 0; i < nbytes; i++) | |
9469 | { | |
9470 | if (temp_index == sizeof temp_buffer / sizeof (short)) | |
9471 | temp_index = 0; | |
9472 | temp_buffer[temp_index++] = copy_buffer[i]; | |
9473 | bufp->kind = ascii_keystroke; | |
9474 | bufp->code = copy_buffer[i]; | |
9475 | XSETFRAME (bufp->frame_or_window, f); | |
9476 | bufp->modifiers | |
9477 | = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), | |
9478 | modifiers); | |
9479 | bufp->timestamp = event.xkey.time; | |
9480 | bufp++; | |
9481 | } | |
9482 | ||
9483 | count += nbytes; | |
9484 | numchars -= nbytes; | |
1decb680 PE |
9485 | |
9486 | if (keysym == NoSymbol) | |
9487 | break; | |
7a13e894 RS |
9488 | } |
9489 | else | |
9490 | abort (); | |
dc6f92b8 | 9491 | } |
10e6549c RS |
9492 | else |
9493 | abort (); | |
dc6f92b8 | 9494 | } |
59ddecde GM |
9495 | #ifdef HAVE_X_I18N |
9496 | /* Don't dispatch this event since XtDispatchEvent calls | |
9497 | XFilterEvent, and two calls in a row may freeze the | |
9498 | client. */ | |
9499 | break; | |
9500 | #else | |
717ca130 | 9501 | goto OTHER; |
59ddecde | 9502 | #endif |
f451eb13 | 9503 | |
f5d11644 | 9504 | case KeyRelease: |
59ddecde GM |
9505 | #ifdef HAVE_X_I18N |
9506 | /* Don't dispatch this event since XtDispatchEvent calls | |
9507 | XFilterEvent, and two calls in a row may freeze the | |
9508 | client. */ | |
9509 | break; | |
9510 | #else | |
f5d11644 | 9511 | goto OTHER; |
59ddecde | 9512 | #endif |
f5d11644 | 9513 | |
7a13e894 | 9514 | /* Here's a possible interpretation of the whole |
06a2c219 GM |
9515 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If |
9516 | you get a FocusIn event, you have to get a FocusOut | |
9517 | event before you relinquish the focus. If you | |
9518 | haven't received a FocusIn event, then a mere | |
9519 | LeaveNotify is enough to free you. */ | |
f451eb13 | 9520 | |
7a13e894 | 9521 | case EnterNotify: |
06a2c219 GM |
9522 | { |
9523 | int from_menu_bar_p = 0; | |
9524 | ||
9525 | f = x_any_window_to_frame (dpyinfo, event.xcrossing.window); | |
9526 | ||
9527 | #ifdef LESSTIF_VERSION | |
9528 | /* When clicking outside of a menu bar popup to close | |
9529 | it, we get a FocusIn/ EnterNotify sequence of | |
9530 | events. The flag event.xcrossing.focus is not set | |
9531 | in the EnterNotify event of that sequence because | |
9532 | the focus is in the menu bar, | |
9533 | event.xcrossing.window is the frame's X window. | |
9534 | Unconditionally setting the focus frame to null in | |
9535 | this case is not the right thing, because no event | |
9536 | follows that could set the focus frame to the right | |
9537 | value. | |
9538 | ||
9539 | This could be a LessTif bug, but I wasn't able to | |
9540 | reproduce the behavior in a simple test program. | |
9541 | ||
9542 | (gerd, LessTif 0.88.1). */ | |
9543 | ||
9544 | if (!event.xcrossing.focus | |
9545 | && f | |
9546 | && f->output_data.x->menubar_widget) | |
9547 | { | |
9548 | Window focus; | |
9549 | int revert; | |
9550 | ||
9551 | XGetInputFocus (FRAME_X_DISPLAY (f), &focus, &revert); | |
9552 | if (focus == XtWindow (f->output_data.x->menubar_widget)) | |
9553 | from_menu_bar_p = 1; | |
9554 | } | |
9555 | #endif /* LESSTIF_VERSION */ | |
6d4238f3 | 9556 | |
06a2c219 GM |
9557 | if (event.xcrossing.focus || from_menu_bar_p) |
9558 | { | |
9559 | /* Avoid nasty pop/raise loops. */ | |
9560 | if (f && (!(f->auto_raise) | |
9561 | || !(f->auto_lower) | |
9562 | || (event.xcrossing.time - enter_timestamp) > 500)) | |
9563 | { | |
9564 | x_new_focus_frame (dpyinfo, f); | |
9565 | enter_timestamp = event.xcrossing.time; | |
9566 | } | |
9567 | } | |
9568 | else if (f == dpyinfo->x_focus_frame) | |
9569 | x_new_focus_frame (dpyinfo, 0); | |
9570 | ||
9571 | /* EnterNotify counts as mouse movement, | |
9572 | so update things that depend on mouse position. */ | |
9573 | if (f && !f->output_data.x->busy_p) | |
9574 | note_mouse_movement (f, &event.xmotion); | |
9575 | goto OTHER; | |
9576 | } | |
dc6f92b8 | 9577 | |
7a13e894 | 9578 | case FocusIn: |
19126e11 | 9579 | f = x_any_window_to_frame (dpyinfo, event.xfocus.window); |
7a13e894 | 9580 | if (event.xfocus.detail != NotifyPointer) |
0f941935 | 9581 | dpyinfo->x_focus_event_frame = f; |
7a13e894 | 9582 | if (f) |
0f941935 | 9583 | x_new_focus_frame (dpyinfo, f); |
f9e24cb9 | 9584 | |
6c183ba5 RS |
9585 | #ifdef HAVE_X_I18N |
9586 | if (f && FRAME_XIC (f)) | |
9587 | XSetICFocus (FRAME_XIC (f)); | |
9588 | #endif | |
9589 | ||
7a13e894 | 9590 | goto OTHER; |
10c5e63d | 9591 | |
7a13e894 | 9592 | case LeaveNotify: |
19126e11 | 9593 | f = x_top_window_to_frame (dpyinfo, event.xcrossing.window); |
7a13e894 | 9594 | if (f) |
10c5e63d | 9595 | { |
06a2c219 GM |
9596 | Lisp_Object frame; |
9597 | int from_menu_bar_p = 0; | |
9598 | ||
7a13e894 | 9599 | if (f == dpyinfo->mouse_face_mouse_frame) |
06a2c219 GM |
9600 | { |
9601 | /* If we move outside the frame, then we're | |
9602 | certainly no longer on any text in the frame. */ | |
9603 | clear_mouse_face (dpyinfo); | |
9604 | dpyinfo->mouse_face_mouse_frame = 0; | |
9605 | } | |
9606 | ||
9607 | /* Generate a nil HELP_EVENT to cancel a help-echo. | |
9608 | Do it only if there's something to cancel. | |
9609 | Otherwise, the startup message is cleared when | |
9610 | the mouse leaves the frame. */ | |
9611 | if (any_help_event_p) | |
9612 | { | |
9613 | XSETFRAME (frame, f); | |
9614 | bufp->kind = HELP_EVENT; | |
9615 | bufp->frame_or_window = Fcons (frame, Qnil); | |
9616 | ++bufp, ++count, --numchars; | |
9617 | } | |
7a13e894 | 9618 | |
06a2c219 GM |
9619 | #ifdef LESSTIF_VERSION |
9620 | /* Please see the comment at the start of the | |
9621 | EnterNotify case. */ | |
9622 | if (!event.xcrossing.focus | |
9623 | && f->output_data.x->menubar_widget) | |
9624 | { | |
9625 | Window focus; | |
9626 | int revert; | |
9627 | XGetInputFocus (FRAME_X_DISPLAY (f), &focus, &revert); | |
9628 | if (focus == XtWindow (f->output_data.x->menubar_widget)) | |
9629 | from_menu_bar_p = 1; | |
9630 | } | |
9631 | #endif /* LESSTIF_VERSION */ | |
9632 | ||
9633 | if (event.xcrossing.focus || from_menu_bar_p) | |
0f941935 | 9634 | x_mouse_leave (dpyinfo); |
10c5e63d | 9635 | else |
7a13e894 | 9636 | { |
0f941935 KH |
9637 | if (f == dpyinfo->x_focus_event_frame) |
9638 | dpyinfo->x_focus_event_frame = 0; | |
9639 | if (f == dpyinfo->x_focus_frame) | |
9640 | x_new_focus_frame (dpyinfo, 0); | |
7a13e894 | 9641 | } |
10c5e63d | 9642 | } |
7a13e894 | 9643 | goto OTHER; |
dc6f92b8 | 9644 | |
7a13e894 | 9645 | case FocusOut: |
19126e11 | 9646 | f = x_any_window_to_frame (dpyinfo, event.xfocus.window); |
7a13e894 | 9647 | if (event.xfocus.detail != NotifyPointer |
0f941935 KH |
9648 | && f == dpyinfo->x_focus_event_frame) |
9649 | dpyinfo->x_focus_event_frame = 0; | |
9650 | if (f && f == dpyinfo->x_focus_frame) | |
9651 | x_new_focus_frame (dpyinfo, 0); | |
f9e24cb9 | 9652 | |
6c183ba5 RS |
9653 | #ifdef HAVE_X_I18N |
9654 | if (f && FRAME_XIC (f)) | |
9655 | XUnsetICFocus (FRAME_XIC (f)); | |
9656 | #endif | |
9657 | ||
7a13e894 | 9658 | goto OTHER; |
dc6f92b8 | 9659 | |
7a13e894 | 9660 | case MotionNotify: |
dc6f92b8 | 9661 | { |
06a2c219 GM |
9662 | previous_help_echo = help_echo; |
9663 | help_echo = Qnil; | |
9664 | ||
7a13e894 RS |
9665 | if (dpyinfo->grabbed && last_mouse_frame |
9666 | && FRAME_LIVE_P (last_mouse_frame)) | |
9667 | f = last_mouse_frame; | |
9668 | else | |
19126e11 | 9669 | f = x_window_to_frame (dpyinfo, event.xmotion.window); |
06a2c219 | 9670 | |
7a13e894 RS |
9671 | if (f) |
9672 | note_mouse_movement (f, &event.xmotion); | |
9673 | else | |
9674 | { | |
e88b3c50 | 9675 | #ifndef USE_TOOLKIT_SCROLL_BARS |
7a13e894 RS |
9676 | struct scroll_bar *bar |
9677 | = x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 | 9678 | |
7a13e894 RS |
9679 | if (bar) |
9680 | x_scroll_bar_note_movement (bar, &event); | |
e88b3c50 | 9681 | #endif /* USE_TOOLKIT_SCROLL_BARS */ |
b8009dd1 | 9682 | |
06a2c219 GM |
9683 | /* If we move outside the frame, then we're |
9684 | certainly no longer on any text in the frame. */ | |
7a13e894 RS |
9685 | clear_mouse_face (dpyinfo); |
9686 | } | |
06a2c219 GM |
9687 | |
9688 | /* If the contents of the global variable help_echo | |
9689 | has changed, generate a HELP_EVENT. */ | |
9690 | if (STRINGP (help_echo) | |
9691 | || STRINGP (previous_help_echo)) | |
9692 | { | |
9693 | Lisp_Object frame; | |
9694 | ||
9695 | if (f) | |
9696 | XSETFRAME (frame, f); | |
9697 | else | |
9698 | frame = Qnil; | |
9699 | ||
9700 | any_help_event_p = 1; | |
9701 | bufp->kind = HELP_EVENT; | |
9702 | bufp->frame_or_window = Fcons (frame, help_echo); | |
9703 | ++bufp, ++count, --numchars; | |
9704 | } | |
9705 | ||
9706 | goto OTHER; | |
dc6f92b8 | 9707 | } |
dc6f92b8 | 9708 | |
7a13e894 | 9709 | case ConfigureNotify: |
9829ddba RS |
9710 | f = x_top_window_to_frame (dpyinfo, event.xconfigure.window); |
9711 | if (f) | |
af395ec1 | 9712 | { |
5c187dee | 9713 | #ifndef USE_X_TOOLKIT |
bf1b7b30 KH |
9714 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); |
9715 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
5c187dee | 9716 | |
2d7fc7e8 RS |
9717 | /* In the toolkit version, change_frame_size |
9718 | is called by the code that handles resizing | |
9719 | of the EmacsFrame widget. */ | |
7a13e894 | 9720 | |
7a13e894 RS |
9721 | /* Even if the number of character rows and columns has |
9722 | not changed, the font size may have changed, so we need | |
9723 | to check the pixel dimensions as well. */ | |
9724 | if (columns != f->width | |
9725 | || rows != f->height | |
7556890b RS |
9726 | || event.xconfigure.width != f->output_data.x->pixel_width |
9727 | || event.xconfigure.height != f->output_data.x->pixel_height) | |
7a13e894 | 9728 | { |
7d1e984f | 9729 | change_frame_size (f, rows, columns, 0, 1, 0); |
7a13e894 | 9730 | SET_FRAME_GARBAGED (f); |
e687d06e | 9731 | cancel_mouse_face (f); |
7a13e894 | 9732 | } |
2d7fc7e8 | 9733 | #endif |
af395ec1 | 9734 | |
7556890b RS |
9735 | f->output_data.x->pixel_width = event.xconfigure.width; |
9736 | f->output_data.x->pixel_height = event.xconfigure.height; | |
7a13e894 RS |
9737 | |
9738 | /* What we have now is the position of Emacs's own window. | |
9739 | Convert that to the position of the window manager window. */ | |
dcb07ae9 RS |
9740 | x_real_positions (f, &f->output_data.x->left_pos, |
9741 | &f->output_data.x->top_pos); | |
9742 | ||
f5d11644 GM |
9743 | #ifdef HAVE_X_I18N |
9744 | if (FRAME_XIC (f) && (FRAME_XIC_STYLE (f) & XIMStatusArea)) | |
9745 | xic_set_statusarea (f); | |
9746 | #endif | |
9747 | ||
dcb07ae9 RS |
9748 | if (f->output_data.x->parent_desc != FRAME_X_DISPLAY_INFO (f)->root_window) |
9749 | { | |
9750 | /* Since the WM decorations come below top_pos now, | |
9751 | we must put them below top_pos in the future. */ | |
9752 | f->output_data.x->win_gravity = NorthWestGravity; | |
9753 | x_wm_set_size_hint (f, (long) 0, 0); | |
9754 | } | |
8f08dc93 KH |
9755 | #ifdef USE_MOTIF |
9756 | /* Some window managers pass (0,0) as the location of | |
9757 | the window, and the Motif event handler stores it | |
9758 | in the emacs widget, which messes up Motif menus. */ | |
9759 | if (event.xconfigure.x == 0 && event.xconfigure.y == 0) | |
9760 | { | |
9761 | event.xconfigure.x = f->output_data.x->widget->core.x; | |
9762 | event.xconfigure.y = f->output_data.x->widget->core.y; | |
9763 | } | |
06a2c219 | 9764 | #endif /* USE_MOTIF */ |
7a13e894 | 9765 | } |
2d7fc7e8 | 9766 | goto OTHER; |
dc6f92b8 | 9767 | |
7a13e894 RS |
9768 | case ButtonPress: |
9769 | case ButtonRelease: | |
9770 | { | |
9771 | /* If we decide we want to generate an event to be seen | |
9772 | by the rest of Emacs, we put it here. */ | |
9773 | struct input_event emacs_event; | |
9ea173e8 | 9774 | int tool_bar_p = 0; |
06a2c219 | 9775 | |
7a13e894 | 9776 | emacs_event.kind = no_event; |
7a13e894 | 9777 | bzero (&compose_status, sizeof (compose_status)); |
9b07615b | 9778 | |
06a2c219 GM |
9779 | if (dpyinfo->grabbed |
9780 | && last_mouse_frame | |
9f67f20b RS |
9781 | && FRAME_LIVE_P (last_mouse_frame)) |
9782 | f = last_mouse_frame; | |
9783 | else | |
2224b905 | 9784 | f = x_window_to_frame (dpyinfo, event.xbutton.window); |
9f67f20b | 9785 | |
06a2c219 GM |
9786 | if (f) |
9787 | { | |
9ea173e8 GM |
9788 | /* Is this in the tool-bar? */ |
9789 | if (WINDOWP (f->tool_bar_window) | |
9790 | && XFASTINT (XWINDOW (f->tool_bar_window)->height)) | |
06a2c219 GM |
9791 | { |
9792 | Lisp_Object window; | |
9793 | int p, x, y; | |
9794 | ||
9795 | x = event.xbutton.x; | |
9796 | y = event.xbutton.y; | |
9797 | ||
9798 | /* Set x and y. */ | |
9799 | window = window_from_coordinates (f, x, y, &p, 1); | |
9ea173e8 | 9800 | if (EQ (window, f->tool_bar_window)) |
06a2c219 | 9801 | { |
9ea173e8 GM |
9802 | x_handle_tool_bar_click (f, &event.xbutton); |
9803 | tool_bar_p = 1; | |
06a2c219 GM |
9804 | } |
9805 | } | |
9806 | ||
9ea173e8 | 9807 | if (!tool_bar_p) |
06a2c219 GM |
9808 | if (!dpyinfo->x_focus_frame |
9809 | || f == dpyinfo->x_focus_frame) | |
9810 | construct_mouse_click (&emacs_event, &event, f); | |
7a13e894 RS |
9811 | } |
9812 | else | |
9813 | { | |
06a2c219 | 9814 | #ifndef USE_TOOLKIT_SCROLL_BARS |
7a13e894 RS |
9815 | struct scroll_bar *bar |
9816 | = x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 | 9817 | |
7a13e894 RS |
9818 | if (bar) |
9819 | x_scroll_bar_handle_click (bar, &event, &emacs_event); | |
06a2c219 | 9820 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ |
7a13e894 RS |
9821 | } |
9822 | ||
9823 | if (event.type == ButtonPress) | |
9824 | { | |
9825 | dpyinfo->grabbed |= (1 << event.xbutton.button); | |
9826 | last_mouse_frame = f; | |
edad46f6 KH |
9827 | /* Ignore any mouse motion that happened |
9828 | before this event; any subsequent mouse-movement | |
9829 | Emacs events should reflect only motion after | |
9830 | the ButtonPress. */ | |
a00e91cd KH |
9831 | if (f != 0) |
9832 | f->mouse_moved = 0; | |
06a2c219 | 9833 | |
9ea173e8 GM |
9834 | if (!tool_bar_p) |
9835 | last_tool_bar_item = -1; | |
7a13e894 | 9836 | } |
3afe33e7 RS |
9837 | else |
9838 | { | |
7a13e894 | 9839 | dpyinfo->grabbed &= ~(1 << event.xbutton.button); |
3afe33e7 | 9840 | } |
23faf38f | 9841 | |
7a13e894 RS |
9842 | if (numchars >= 1 && emacs_event.kind != no_event) |
9843 | { | |
9844 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
9845 | bufp++; | |
9846 | count++; | |
9847 | numchars--; | |
9848 | } | |
3afe33e7 RS |
9849 | |
9850 | #ifdef USE_X_TOOLKIT | |
2224b905 RS |
9851 | f = x_menubar_window_to_frame (dpyinfo, event.xbutton.window); |
9852 | /* For a down-event in the menu bar, | |
9853 | don't pass it to Xt right now. | |
9854 | Instead, save it away | |
9855 | and we will pass it to Xt from kbd_buffer_get_event. | |
9856 | That way, we can run some Lisp code first. */ | |
91375f8f RS |
9857 | if (f && event.type == ButtonPress |
9858 | /* Verify the event is really within the menu bar | |
9859 | and not just sent to it due to grabbing. */ | |
9860 | && event.xbutton.x >= 0 | |
9861 | && event.xbutton.x < f->output_data.x->pixel_width | |
9862 | && event.xbutton.y >= 0 | |
9863 | && event.xbutton.y < f->output_data.x->menubar_height | |
9864 | && event.xbutton.same_screen) | |
2224b905 | 9865 | { |
8805890a | 9866 | SET_SAVED_BUTTON_EVENT; |
2237cac9 RS |
9867 | XSETFRAME (last_mouse_press_frame, f); |
9868 | } | |
9869 | else if (event.type == ButtonPress) | |
9870 | { | |
9871 | last_mouse_press_frame = Qnil; | |
30e671c3 | 9872 | goto OTHER; |
ce89ef46 | 9873 | } |
06a2c219 | 9874 | |
2237cac9 RS |
9875 | #ifdef USE_MOTIF /* This should do not harm for Lucid, |
9876 | but I am trying to be cautious. */ | |
ce89ef46 RS |
9877 | else if (event.type == ButtonRelease) |
9878 | { | |
2237cac9 | 9879 | if (!NILP (last_mouse_press_frame)) |
f10ded1c | 9880 | { |
2237cac9 RS |
9881 | f = XFRAME (last_mouse_press_frame); |
9882 | if (f->output_data.x) | |
06a2c219 | 9883 | SET_SAVED_BUTTON_EVENT; |
f10ded1c | 9884 | } |
06a2c219 | 9885 | else |
30e671c3 | 9886 | goto OTHER; |
2224b905 | 9887 | } |
2237cac9 | 9888 | #endif /* USE_MOTIF */ |
2224b905 RS |
9889 | else |
9890 | goto OTHER; | |
3afe33e7 | 9891 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
9892 | } |
9893 | break; | |
dc6f92b8 | 9894 | |
7a13e894 | 9895 | case CirculateNotify: |
06a2c219 GM |
9896 | goto OTHER; |
9897 | ||
7a13e894 | 9898 | case CirculateRequest: |
06a2c219 GM |
9899 | goto OTHER; |
9900 | ||
9901 | case VisibilityNotify: | |
9902 | goto OTHER; | |
dc6f92b8 | 9903 | |
7a13e894 RS |
9904 | case MappingNotify: |
9905 | /* Someone has changed the keyboard mapping - update the | |
9906 | local cache. */ | |
9907 | switch (event.xmapping.request) | |
9908 | { | |
9909 | case MappingModifier: | |
9910 | x_find_modifier_meanings (dpyinfo); | |
9911 | /* This is meant to fall through. */ | |
9912 | case MappingKeyboard: | |
9913 | XRefreshKeyboardMapping (&event.xmapping); | |
9914 | } | |
7a13e894 | 9915 | goto OTHER; |
dc6f92b8 | 9916 | |
7a13e894 | 9917 | default: |
7a13e894 | 9918 | OTHER: |
717ca130 | 9919 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
9920 | BLOCK_INPUT; |
9921 | XtDispatchEvent (&event); | |
9922 | UNBLOCK_INPUT; | |
3afe33e7 | 9923 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
9924 | break; |
9925 | } | |
dc6f92b8 JB |
9926 | } |
9927 | } | |
9928 | ||
06a2c219 GM |
9929 | out:; |
9930 | ||
9a5196d0 RS |
9931 | /* On some systems, an X bug causes Emacs to get no more events |
9932 | when the window is destroyed. Detect that. (1994.) */ | |
58769bee | 9933 | if (! event_found) |
ef2a22d0 | 9934 | { |
ef2a22d0 RS |
9935 | /* Emacs and the X Server eats up CPU time if XNoOp is done every time. |
9936 | One XNOOP in 100 loops will make Emacs terminate. | |
9937 | B. Bretthauer, 1994 */ | |
9938 | x_noop_count++; | |
58769bee | 9939 | if (x_noop_count >= 100) |
ef2a22d0 RS |
9940 | { |
9941 | x_noop_count=0; | |
2224b905 RS |
9942 | |
9943 | if (next_noop_dpyinfo == 0) | |
9944 | next_noop_dpyinfo = x_display_list; | |
9945 | ||
9946 | XNoOp (next_noop_dpyinfo->display); | |
9947 | ||
9948 | /* Each time we get here, cycle through the displays now open. */ | |
9949 | next_noop_dpyinfo = next_noop_dpyinfo->next; | |
ef2a22d0 RS |
9950 | } |
9951 | } | |
502add23 | 9952 | |
06a2c219 | 9953 | /* If the focus was just given to an auto-raising frame, |
0134a210 | 9954 | raise it now. */ |
7a13e894 | 9955 | /* ??? This ought to be able to handle more than one such frame. */ |
0134a210 RS |
9956 | if (pending_autoraise_frame) |
9957 | { | |
9958 | x_raise_frame (pending_autoraise_frame); | |
9959 | pending_autoraise_frame = 0; | |
9960 | } | |
0134a210 | 9961 | |
dc6f92b8 JB |
9962 | UNBLOCK_INPUT; |
9963 | return count; | |
9964 | } | |
06a2c219 GM |
9965 | |
9966 | ||
9967 | ||
dc6f92b8 | 9968 | \f |
06a2c219 GM |
9969 | /*********************************************************************** |
9970 | Text Cursor | |
9971 | ***********************************************************************/ | |
9972 | ||
9973 | /* Note if the text cursor of window W has been overwritten by a | |
9974 | drawing operation that outputs N glyphs starting at HPOS in the | |
9975 | line given by output_cursor.vpos. N < 0 means all the rest of the | |
9976 | line after HPOS has been written. */ | |
9977 | ||
9978 | static void | |
9979 | note_overwritten_text_cursor (w, hpos, n) | |
9980 | struct window *w; | |
9981 | int hpos, n; | |
9982 | { | |
9983 | if (updated_area == TEXT_AREA | |
9984 | && output_cursor.vpos == w->phys_cursor.vpos | |
9985 | && hpos <= w->phys_cursor.hpos | |
9986 | && (n < 0 | |
9987 | || hpos + n > w->phys_cursor.hpos)) | |
9988 | w->phys_cursor_on_p = 0; | |
9989 | } | |
f451eb13 JB |
9990 | |
9991 | ||
06a2c219 GM |
9992 | /* Set clipping for output in glyph row ROW. W is the window in which |
9993 | we operate. GC is the graphics context to set clipping in. | |
9994 | WHOLE_LINE_P non-zero means include the areas used for truncation | |
9995 | mark display and alike in the clipping rectangle. | |
9996 | ||
9997 | ROW may be a text row or, e.g., a mode line. Text rows must be | |
9998 | clipped to the interior of the window dedicated to text display, | |
9999 | mode lines must be clipped to the whole window. */ | |
dc6f92b8 JB |
10000 | |
10001 | static void | |
06a2c219 GM |
10002 | x_clip_to_row (w, row, gc, whole_line_p) |
10003 | struct window *w; | |
10004 | struct glyph_row *row; | |
10005 | GC gc; | |
10006 | int whole_line_p; | |
dc6f92b8 | 10007 | { |
06a2c219 GM |
10008 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
10009 | XRectangle clip_rect; | |
10010 | int window_x, window_y, window_width, window_height; | |
dc6f92b8 | 10011 | |
06a2c219 | 10012 | window_box (w, -1, &window_x, &window_y, &window_width, &window_height); |
5c1aae96 | 10013 | |
06a2c219 GM |
10014 | clip_rect.x = WINDOW_TO_FRAME_PIXEL_X (w, 0); |
10015 | clip_rect.y = WINDOW_TO_FRAME_PIXEL_Y (w, row->y); | |
10016 | clip_rect.y = max (clip_rect.y, window_y); | |
10017 | clip_rect.width = window_width; | |
10018 | clip_rect.height = row->visible_height; | |
5c1aae96 | 10019 | |
06a2c219 GM |
10020 | /* If clipping to the whole line, including trunc marks, extend |
10021 | the rectangle to the left and increase its width. */ | |
10022 | if (whole_line_p) | |
10023 | { | |
110859fc GM |
10024 | clip_rect.x -= FRAME_X_LEFT_FLAGS_AREA_WIDTH (f); |
10025 | clip_rect.width += FRAME_X_FLAGS_AREA_WIDTH (f); | |
06a2c219 | 10026 | } |
5c1aae96 | 10027 | |
06a2c219 | 10028 | XSetClipRectangles (FRAME_X_DISPLAY (f), gc, 0, 0, &clip_rect, 1, Unsorted); |
dc6f92b8 JB |
10029 | } |
10030 | ||
06a2c219 GM |
10031 | |
10032 | /* Draw a hollow box cursor on window W in glyph row ROW. */ | |
dc6f92b8 JB |
10033 | |
10034 | static void | |
06a2c219 GM |
10035 | x_draw_hollow_cursor (w, row) |
10036 | struct window *w; | |
10037 | struct glyph_row *row; | |
dc6f92b8 | 10038 | { |
06a2c219 GM |
10039 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
10040 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
10041 | Display *dpy = FRAME_X_DISPLAY (f); | |
10042 | int x, y, wd, h; | |
10043 | XGCValues xgcv; | |
10044 | struct glyph *cursor_glyph; | |
10045 | GC gc; | |
10046 | ||
10047 | /* Compute frame-relative coordinates from window-relative | |
10048 | coordinates. */ | |
10049 | x = WINDOW_TEXT_TO_FRAME_PIXEL_X (w, w->phys_cursor.x); | |
10050 | y = (WINDOW_TO_FRAME_PIXEL_Y (w, w->phys_cursor.y) | |
10051 | + row->ascent - w->phys_cursor_ascent); | |
10052 | h = row->height - 1; | |
10053 | ||
10054 | /* Get the glyph the cursor is on. If we can't tell because | |
10055 | the current matrix is invalid or such, give up. */ | |
10056 | cursor_glyph = get_phys_cursor_glyph (w); | |
10057 | if (cursor_glyph == NULL) | |
dc6f92b8 JB |
10058 | return; |
10059 | ||
06a2c219 GM |
10060 | /* Compute the width of the rectangle to draw. If on a stretch |
10061 | glyph, and `x-stretch-block-cursor' is nil, don't draw a | |
10062 | rectangle as wide as the glyph, but use a canonical character | |
10063 | width instead. */ | |
10064 | wd = cursor_glyph->pixel_width - 1; | |
10065 | if (cursor_glyph->type == STRETCH_GLYPH | |
10066 | && !x_stretch_cursor_p) | |
10067 | wd = min (CANON_X_UNIT (f), wd); | |
10068 | ||
10069 | /* The foreground of cursor_gc is typically the same as the normal | |
10070 | background color, which can cause the cursor box to be invisible. */ | |
10071 | xgcv.foreground = f->output_data.x->cursor_pixel; | |
10072 | if (dpyinfo->scratch_cursor_gc) | |
10073 | XChangeGC (dpy, dpyinfo->scratch_cursor_gc, GCForeground, &xgcv); | |
10074 | else | |
10075 | dpyinfo->scratch_cursor_gc = XCreateGC (dpy, FRAME_X_WINDOW (f), | |
10076 | GCForeground, &xgcv); | |
10077 | gc = dpyinfo->scratch_cursor_gc; | |
10078 | ||
10079 | /* Set clipping, draw the rectangle, and reset clipping again. */ | |
10080 | x_clip_to_row (w, row, gc, 0); | |
10081 | XDrawRectangle (dpy, FRAME_X_WINDOW (f), gc, x, y, wd, h); | |
10082 | XSetClipMask (dpy, gc, None); | |
dc6f92b8 JB |
10083 | } |
10084 | ||
06a2c219 GM |
10085 | |
10086 | /* Draw a bar cursor on window W in glyph row ROW. | |
10087 | ||
10088 | Implementation note: One would like to draw a bar cursor with an | |
10089 | angle equal to the one given by the font property XA_ITALIC_ANGLE. | |
10090 | Unfortunately, I didn't find a font yet that has this property set. | |
10091 | --gerd. */ | |
dc6f92b8 JB |
10092 | |
10093 | static void | |
f02d8aa0 | 10094 | x_draw_bar_cursor (w, row, width) |
06a2c219 GM |
10095 | struct window *w; |
10096 | struct glyph_row *row; | |
f02d8aa0 | 10097 | int width; |
dc6f92b8 | 10098 | { |
06a2c219 GM |
10099 | /* If cursor hpos is out of bounds, don't draw garbage. This can |
10100 | happen in mini-buffer windows when switching between echo area | |
10101 | glyphs and mini-buffer. */ | |
10102 | if (w->phys_cursor.hpos < row->used[TEXT_AREA]) | |
10103 | { | |
10104 | struct frame *f = XFRAME (w->frame); | |
10105 | struct glyph *cursor_glyph; | |
10106 | GC gc; | |
10107 | int x; | |
10108 | unsigned long mask; | |
10109 | XGCValues xgcv; | |
10110 | Display *dpy; | |
10111 | Window window; | |
10112 | ||
10113 | cursor_glyph = get_phys_cursor_glyph (w); | |
10114 | if (cursor_glyph == NULL) | |
10115 | return; | |
10116 | ||
10117 | xgcv.background = f->output_data.x->cursor_pixel; | |
10118 | xgcv.foreground = f->output_data.x->cursor_pixel; | |
10119 | xgcv.graphics_exposures = 0; | |
10120 | mask = GCForeground | GCBackground | GCGraphicsExposures; | |
10121 | dpy = FRAME_X_DISPLAY (f); | |
10122 | window = FRAME_X_WINDOW (f); | |
10123 | gc = FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc; | |
10124 | ||
10125 | if (gc) | |
10126 | XChangeGC (dpy, gc, mask, &xgcv); | |
10127 | else | |
10128 | { | |
10129 | gc = XCreateGC (dpy, window, mask, &xgcv); | |
10130 | FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc = gc; | |
10131 | } | |
10132 | ||
f02d8aa0 GM |
10133 | if (width < 0) |
10134 | width = f->output_data.x->cursor_width; | |
10135 | ||
06a2c219 GM |
10136 | x = WINDOW_TEXT_TO_FRAME_PIXEL_X (w, w->phys_cursor.x); |
10137 | x_clip_to_row (w, row, gc, 0); | |
10138 | XFillRectangle (dpy, window, gc, | |
10139 | x, | |
10140 | WINDOW_TO_FRAME_PIXEL_Y (w, w->phys_cursor.y), | |
f02d8aa0 | 10141 | min (cursor_glyph->pixel_width, width), |
06a2c219 GM |
10142 | row->height); |
10143 | XSetClipMask (dpy, gc, None); | |
10144 | } | |
dc6f92b8 JB |
10145 | } |
10146 | ||
06a2c219 GM |
10147 | |
10148 | /* Clear the cursor of window W to background color, and mark the | |
10149 | cursor as not shown. This is used when the text where the cursor | |
10150 | is is about to be rewritten. */ | |
10151 | ||
dc6f92b8 | 10152 | static void |
06a2c219 GM |
10153 | x_clear_cursor (w) |
10154 | struct window *w; | |
dc6f92b8 | 10155 | { |
06a2c219 GM |
10156 | if (FRAME_VISIBLE_P (XFRAME (w->frame)) && w->phys_cursor_on_p) |
10157 | x_update_window_cursor (w, 0); | |
10158 | } | |
90e65f07 | 10159 | |
dbc4e1c1 | 10160 | |
06a2c219 GM |
10161 | /* Draw the cursor glyph of window W in glyph row ROW. See the |
10162 | comment of x_draw_glyphs for the meaning of HL. */ | |
dbc4e1c1 | 10163 | |
06a2c219 GM |
10164 | static void |
10165 | x_draw_phys_cursor_glyph (w, row, hl) | |
10166 | struct window *w; | |
10167 | struct glyph_row *row; | |
10168 | enum draw_glyphs_face hl; | |
10169 | { | |
10170 | /* If cursor hpos is out of bounds, don't draw garbage. This can | |
10171 | happen in mini-buffer windows when switching between echo area | |
10172 | glyphs and mini-buffer. */ | |
10173 | if (w->phys_cursor.hpos < row->used[TEXT_AREA]) | |
66ac4b0e GM |
10174 | { |
10175 | x_draw_glyphs (w, w->phys_cursor.x, row, TEXT_AREA, | |
10176 | w->phys_cursor.hpos, w->phys_cursor.hpos + 1, | |
10177 | hl, 0, 0, 0); | |
10178 | ||
10179 | /* When we erase the cursor, and ROW is overlapped by other | |
10180 | rows, make sure that these overlapping parts of other rows | |
10181 | are redrawn. */ | |
10182 | if (hl == DRAW_NORMAL_TEXT && row->overlapped_p) | |
10183 | { | |
10184 | if (row > w->current_matrix->rows | |
10185 | && MATRIX_ROW_OVERLAPS_SUCC_P (row - 1)) | |
10186 | x_fix_overlapping_area (w, row - 1, TEXT_AREA); | |
10187 | ||
10188 | if (MATRIX_ROW_BOTTOM_Y (row) < window_text_bottom_y (w) | |
10189 | && MATRIX_ROW_OVERLAPS_PRED_P (row + 1)) | |
10190 | x_fix_overlapping_area (w, row + 1, TEXT_AREA); | |
10191 | } | |
10192 | } | |
06a2c219 | 10193 | } |
dbc4e1c1 | 10194 | |
eea6af04 | 10195 | |
06a2c219 | 10196 | /* Erase the image of a cursor of window W from the screen. */ |
eea6af04 | 10197 | |
06a2c219 GM |
10198 | static void |
10199 | x_erase_phys_cursor (w) | |
10200 | struct window *w; | |
10201 | { | |
10202 | struct frame *f = XFRAME (w->frame); | |
10203 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
10204 | int hpos = w->phys_cursor.hpos; | |
10205 | int vpos = w->phys_cursor.vpos; | |
10206 | int mouse_face_here_p = 0; | |
10207 | struct glyph_matrix *active_glyphs = w->current_matrix; | |
10208 | struct glyph_row *cursor_row; | |
10209 | struct glyph *cursor_glyph; | |
10210 | enum draw_glyphs_face hl; | |
10211 | ||
10212 | /* No cursor displayed or row invalidated => nothing to do on the | |
10213 | screen. */ | |
10214 | if (w->phys_cursor_type == NO_CURSOR) | |
10215 | goto mark_cursor_off; | |
10216 | ||
10217 | /* VPOS >= active_glyphs->nrows means that window has been resized. | |
10218 | Don't bother to erase the cursor. */ | |
10219 | if (vpos >= active_glyphs->nrows) | |
10220 | goto mark_cursor_off; | |
10221 | ||
10222 | /* If row containing cursor is marked invalid, there is nothing we | |
10223 | can do. */ | |
10224 | cursor_row = MATRIX_ROW (active_glyphs, vpos); | |
10225 | if (!cursor_row->enabled_p) | |
10226 | goto mark_cursor_off; | |
10227 | ||
10228 | /* This can happen when the new row is shorter than the old one. | |
10229 | In this case, either x_draw_glyphs or clear_end_of_line | |
10230 | should have cleared the cursor. Note that we wouldn't be | |
10231 | able to erase the cursor in this case because we don't have a | |
10232 | cursor glyph at hand. */ | |
10233 | if (w->phys_cursor.hpos >= cursor_row->used[TEXT_AREA]) | |
10234 | goto mark_cursor_off; | |
10235 | ||
10236 | /* If the cursor is in the mouse face area, redisplay that when | |
10237 | we clear the cursor. */ | |
8801a864 KR |
10238 | if (! NILP (dpyinfo->mouse_face_window) |
10239 | && w == XWINDOW (dpyinfo->mouse_face_window) | |
06a2c219 GM |
10240 | && (vpos > dpyinfo->mouse_face_beg_row |
10241 | || (vpos == dpyinfo->mouse_face_beg_row | |
10242 | && hpos >= dpyinfo->mouse_face_beg_col)) | |
10243 | && (vpos < dpyinfo->mouse_face_end_row | |
10244 | || (vpos == dpyinfo->mouse_face_end_row | |
10245 | && hpos < dpyinfo->mouse_face_end_col)) | |
10246 | /* Don't redraw the cursor's spot in mouse face if it is at the | |
10247 | end of a line (on a newline). The cursor appears there, but | |
10248 | mouse highlighting does not. */ | |
10249 | && cursor_row->used[TEXT_AREA] > hpos) | |
10250 | mouse_face_here_p = 1; | |
10251 | ||
10252 | /* Maybe clear the display under the cursor. */ | |
10253 | if (w->phys_cursor_type == HOLLOW_BOX_CURSOR) | |
10254 | { | |
10255 | int x; | |
045dee35 | 10256 | int header_line_height = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w); |
dbc4e1c1 | 10257 | |
06a2c219 GM |
10258 | cursor_glyph = get_phys_cursor_glyph (w); |
10259 | if (cursor_glyph == NULL) | |
10260 | goto mark_cursor_off; | |
dbc4e1c1 | 10261 | |
06a2c219 GM |
10262 | x = WINDOW_TEXT_TO_FRAME_PIXEL_X (w, w->phys_cursor.x), |
10263 | ||
10264 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
10265 | x, | |
045dee35 | 10266 | WINDOW_TO_FRAME_PIXEL_Y (w, max (header_line_height, |
06a2c219 GM |
10267 | cursor_row->y)), |
10268 | cursor_glyph->pixel_width, | |
10269 | cursor_row->visible_height, | |
10270 | False); | |
dbc4e1c1 | 10271 | } |
06a2c219 GM |
10272 | |
10273 | /* Erase the cursor by redrawing the character underneath it. */ | |
10274 | if (mouse_face_here_p) | |
10275 | hl = DRAW_MOUSE_FACE; | |
10276 | else if (cursor_row->inverse_p) | |
10277 | hl = DRAW_INVERSE_VIDEO; | |
10278 | else | |
10279 | hl = DRAW_NORMAL_TEXT; | |
10280 | x_draw_phys_cursor_glyph (w, cursor_row, hl); | |
dbc4e1c1 | 10281 | |
06a2c219 GM |
10282 | mark_cursor_off: |
10283 | w->phys_cursor_on_p = 0; | |
10284 | w->phys_cursor_type = NO_CURSOR; | |
dbc4e1c1 JB |
10285 | } |
10286 | ||
10287 | ||
06a2c219 GM |
10288 | /* Display or clear cursor of window W. If ON is zero, clear the |
10289 | cursor. If it is non-zero, display the cursor. If ON is nonzero, | |
10290 | where to put the cursor is specified by HPOS, VPOS, X and Y. */ | |
dbc4e1c1 | 10291 | |
06a2c219 GM |
10292 | void |
10293 | x_display_and_set_cursor (w, on, hpos, vpos, x, y) | |
10294 | struct window *w; | |
10295 | int on, hpos, vpos, x, y; | |
dbc4e1c1 | 10296 | { |
06a2c219 GM |
10297 | struct frame *f = XFRAME (w->frame); |
10298 | int new_cursor_type; | |
f02d8aa0 | 10299 | int new_cursor_width; |
06a2c219 GM |
10300 | struct glyph_matrix *current_glyphs; |
10301 | struct glyph_row *glyph_row; | |
10302 | struct glyph *glyph; | |
dbc4e1c1 | 10303 | |
49d838ea | 10304 | /* This is pointless on invisible frames, and dangerous on garbaged |
06a2c219 GM |
10305 | windows and frames; in the latter case, the frame or window may |
10306 | be in the midst of changing its size, and x and y may be off the | |
10307 | window. */ | |
10308 | if (! FRAME_VISIBLE_P (f) | |
10309 | || FRAME_GARBAGED_P (f) | |
10310 | || vpos >= w->current_matrix->nrows | |
10311 | || hpos >= w->current_matrix->matrix_w) | |
dc6f92b8 JB |
10312 | return; |
10313 | ||
10314 | /* If cursor is off and we want it off, return quickly. */ | |
06a2c219 | 10315 | if (!on && !w->phys_cursor_on_p) |
dc6f92b8 JB |
10316 | return; |
10317 | ||
06a2c219 GM |
10318 | current_glyphs = w->current_matrix; |
10319 | glyph_row = MATRIX_ROW (current_glyphs, vpos); | |
10320 | glyph = glyph_row->glyphs[TEXT_AREA] + hpos; | |
10321 | ||
10322 | /* If cursor row is not enabled, we don't really know where to | |
10323 | display the cursor. */ | |
10324 | if (!glyph_row->enabled_p) | |
10325 | { | |
10326 | w->phys_cursor_on_p = 0; | |
10327 | return; | |
10328 | } | |
10329 | ||
10330 | xassert (interrupt_input_blocked); | |
10331 | ||
10332 | /* Set new_cursor_type to the cursor we want to be displayed. In a | |
10333 | mini-buffer window, we want the cursor only to appear if we are | |
10334 | reading input from this window. For the selected window, we want | |
10335 | the cursor type given by the frame parameter. If explicitly | |
10336 | marked off, draw no cursor. In all other cases, we want a hollow | |
10337 | box cursor. */ | |
f02d8aa0 | 10338 | new_cursor_width = -1; |
9b4a7047 GM |
10339 | if (cursor_in_echo_area |
10340 | && FRAME_HAS_MINIBUF_P (f) | |
10341 | && EQ (FRAME_MINIBUF_WINDOW (f), echo_area_window)) | |
06a2c219 | 10342 | { |
9b4a7047 GM |
10343 | if (w == XWINDOW (echo_area_window)) |
10344 | new_cursor_type = FRAME_DESIRED_CURSOR (f); | |
06a2c219 GM |
10345 | else |
10346 | new_cursor_type = HOLLOW_BOX_CURSOR; | |
10347 | } | |
06a2c219 | 10348 | else |
9b4a7047 GM |
10349 | { |
10350 | if (w != XWINDOW (selected_window) | |
10351 | || f != FRAME_X_DISPLAY_INFO (f)->x_highlight_frame) | |
10352 | { | |
e55a0b79 GM |
10353 | extern int cursor_in_non_selected_windows; |
10354 | ||
10355 | if (MINI_WINDOW_P (w) || !cursor_in_non_selected_windows) | |
9b4a7047 GM |
10356 | new_cursor_type = NO_CURSOR; |
10357 | else | |
10358 | new_cursor_type = HOLLOW_BOX_CURSOR; | |
10359 | } | |
10360 | else if (w->cursor_off_p) | |
10361 | new_cursor_type = NO_CURSOR; | |
10362 | else | |
f02d8aa0 GM |
10363 | { |
10364 | struct buffer *b = XBUFFER (w->buffer); | |
10365 | ||
10366 | if (EQ (b->cursor_type, Qt)) | |
10367 | new_cursor_type = FRAME_DESIRED_CURSOR (f); | |
10368 | else | |
10369 | new_cursor_type = x_specified_cursor_type (b->cursor_type, | |
10370 | &new_cursor_width); | |
10371 | } | |
9b4a7047 | 10372 | } |
06a2c219 GM |
10373 | |
10374 | /* If cursor is currently being shown and we don't want it to be or | |
10375 | it is in the wrong place, or the cursor type is not what we want, | |
dc6f92b8 | 10376 | erase it. */ |
06a2c219 | 10377 | if (w->phys_cursor_on_p |
dc6f92b8 | 10378 | && (!on |
06a2c219 GM |
10379 | || w->phys_cursor.x != x |
10380 | || w->phys_cursor.y != y | |
10381 | || new_cursor_type != w->phys_cursor_type)) | |
10382 | x_erase_phys_cursor (w); | |
10383 | ||
10384 | /* If the cursor is now invisible and we want it to be visible, | |
10385 | display it. */ | |
10386 | if (on && !w->phys_cursor_on_p) | |
10387 | { | |
10388 | w->phys_cursor_ascent = glyph_row->ascent; | |
10389 | w->phys_cursor_height = glyph_row->height; | |
10390 | ||
10391 | /* Set phys_cursor_.* before x_draw_.* is called because some | |
10392 | of them may need the information. */ | |
10393 | w->phys_cursor.x = x; | |
10394 | w->phys_cursor.y = glyph_row->y; | |
10395 | w->phys_cursor.hpos = hpos; | |
10396 | w->phys_cursor.vpos = vpos; | |
10397 | w->phys_cursor_type = new_cursor_type; | |
10398 | w->phys_cursor_on_p = 1; | |
10399 | ||
10400 | switch (new_cursor_type) | |
dc6f92b8 | 10401 | { |
06a2c219 GM |
10402 | case HOLLOW_BOX_CURSOR: |
10403 | x_draw_hollow_cursor (w, glyph_row); | |
10404 | break; | |
10405 | ||
10406 | case FILLED_BOX_CURSOR: | |
10407 | x_draw_phys_cursor_glyph (w, glyph_row, DRAW_CURSOR); | |
10408 | break; | |
10409 | ||
10410 | case BAR_CURSOR: | |
f02d8aa0 | 10411 | x_draw_bar_cursor (w, glyph_row, new_cursor_width); |
06a2c219 GM |
10412 | break; |
10413 | ||
10414 | case NO_CURSOR: | |
10415 | break; | |
dc6f92b8 | 10416 | |
06a2c219 GM |
10417 | default: |
10418 | abort (); | |
10419 | } | |
59ddecde GM |
10420 | |
10421 | #ifdef HAVE_X_I18N | |
10422 | if (w == XWINDOW (f->selected_window)) | |
10423 | if (FRAME_XIC (f) && (FRAME_XIC_STYLE (f) & XIMPreeditPosition)) | |
10424 | xic_set_preeditarea (w, x, y); | |
10425 | #endif | |
dc6f92b8 JB |
10426 | } |
10427 | ||
06a2c219 | 10428 | #ifndef XFlush |
f676886a | 10429 | if (updating_frame != f) |
334208b7 | 10430 | XFlush (FRAME_X_DISPLAY (f)); |
06a2c219 | 10431 | #endif |
dc6f92b8 JB |
10432 | } |
10433 | ||
06a2c219 GM |
10434 | |
10435 | /* Display the cursor on window W, or clear it. X and Y are window | |
10436 | relative pixel coordinates. HPOS and VPOS are glyph matrix | |
10437 | positions. If W is not the selected window, display a hollow | |
10438 | cursor. ON non-zero means display the cursor at X, Y which | |
10439 | correspond to HPOS, VPOS, otherwise it is cleared. */ | |
5d46f928 | 10440 | |
dfcf069d | 10441 | void |
06a2c219 GM |
10442 | x_display_cursor (w, on, hpos, vpos, x, y) |
10443 | struct window *w; | |
10444 | int on, hpos, vpos, x, y; | |
dc6f92b8 | 10445 | { |
f94397b5 | 10446 | BLOCK_INPUT; |
06a2c219 | 10447 | x_display_and_set_cursor (w, on, hpos, vpos, x, y); |
5d46f928 RS |
10448 | UNBLOCK_INPUT; |
10449 | } | |
10450 | ||
06a2c219 GM |
10451 | |
10452 | /* Display the cursor on window W, or clear it, according to ON_P. | |
5d46f928 RS |
10453 | Don't change the cursor's position. */ |
10454 | ||
dfcf069d | 10455 | void |
06a2c219 | 10456 | x_update_cursor (f, on_p) |
5d46f928 | 10457 | struct frame *f; |
5d46f928 | 10458 | { |
06a2c219 GM |
10459 | x_update_cursor_in_window_tree (XWINDOW (f->root_window), on_p); |
10460 | } | |
10461 | ||
10462 | ||
10463 | /* Call x_update_window_cursor with parameter ON_P on all leaf windows | |
10464 | in the window tree rooted at W. */ | |
10465 | ||
10466 | static void | |
10467 | x_update_cursor_in_window_tree (w, on_p) | |
10468 | struct window *w; | |
10469 | int on_p; | |
10470 | { | |
10471 | while (w) | |
10472 | { | |
10473 | if (!NILP (w->hchild)) | |
10474 | x_update_cursor_in_window_tree (XWINDOW (w->hchild), on_p); | |
10475 | else if (!NILP (w->vchild)) | |
10476 | x_update_cursor_in_window_tree (XWINDOW (w->vchild), on_p); | |
10477 | else | |
10478 | x_update_window_cursor (w, on_p); | |
10479 | ||
10480 | w = NILP (w->next) ? 0 : XWINDOW (w->next); | |
10481 | } | |
10482 | } | |
5d46f928 | 10483 | |
f94397b5 | 10484 | |
06a2c219 GM |
10485 | /* Switch the display of W's cursor on or off, according to the value |
10486 | of ON. */ | |
10487 | ||
10488 | static void | |
10489 | x_update_window_cursor (w, on) | |
10490 | struct window *w; | |
10491 | int on; | |
10492 | { | |
16b5d424 GM |
10493 | /* Don't update cursor in windows whose frame is in the process |
10494 | of being deleted. */ | |
10495 | if (w->current_matrix) | |
10496 | { | |
10497 | BLOCK_INPUT; | |
10498 | x_display_and_set_cursor (w, on, w->phys_cursor.hpos, w->phys_cursor.vpos, | |
10499 | w->phys_cursor.x, w->phys_cursor.y); | |
10500 | UNBLOCK_INPUT; | |
10501 | } | |
dc6f92b8 | 10502 | } |
06a2c219 GM |
10503 | |
10504 | ||
10505 | ||
dc6f92b8 JB |
10506 | \f |
10507 | /* Icons. */ | |
10508 | ||
f676886a | 10509 | /* Refresh bitmap kitchen sink icon for frame F |
06a2c219 | 10510 | when we get an expose event for it. */ |
dc6f92b8 | 10511 | |
dfcf069d | 10512 | void |
f676886a JB |
10513 | refreshicon (f) |
10514 | struct frame *f; | |
dc6f92b8 | 10515 | { |
06a2c219 | 10516 | /* Normally, the window manager handles this function. */ |
dc6f92b8 JB |
10517 | } |
10518 | ||
dbc4e1c1 | 10519 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
10520 | |
10521 | int | |
990ba854 | 10522 | x_bitmap_icon (f, file) |
f676886a | 10523 | struct frame *f; |
990ba854 | 10524 | Lisp_Object file; |
dc6f92b8 | 10525 | { |
06a2c219 | 10526 | int bitmap_id; |
dc6f92b8 | 10527 | |
c118dd06 | 10528 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
10529 | return 1; |
10530 | ||
990ba854 | 10531 | /* Free up our existing icon bitmap if any. */ |
7556890b RS |
10532 | if (f->output_data.x->icon_bitmap > 0) |
10533 | x_destroy_bitmap (f, f->output_data.x->icon_bitmap); | |
10534 | f->output_data.x->icon_bitmap = 0; | |
990ba854 RS |
10535 | |
10536 | if (STRINGP (file)) | |
7f2ae036 RS |
10537 | bitmap_id = x_create_bitmap_from_file (f, file); |
10538 | else | |
10539 | { | |
990ba854 | 10540 | /* Create the GNU bitmap if necessary. */ |
5bf01b68 | 10541 | if (FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id < 0) |
334208b7 RS |
10542 | FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id |
10543 | = x_create_bitmap_from_data (f, gnu_bits, | |
10544 | gnu_width, gnu_height); | |
990ba854 RS |
10545 | |
10546 | /* The first time we create the GNU bitmap, | |
06a2c219 | 10547 | this increments the ref-count one extra time. |
990ba854 RS |
10548 | As a result, the GNU bitmap is never freed. |
10549 | That way, we don't have to worry about allocating it again. */ | |
334208b7 | 10550 | x_reference_bitmap (f, FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id); |
990ba854 | 10551 | |
334208b7 | 10552 | bitmap_id = FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id; |
7f2ae036 RS |
10553 | } |
10554 | ||
10555 | x_wm_set_icon_pixmap (f, bitmap_id); | |
7556890b | 10556 | f->output_data.x->icon_bitmap = bitmap_id; |
dc6f92b8 JB |
10557 | |
10558 | return 0; | |
10559 | } | |
10560 | ||
10561 | ||
1be2d067 KH |
10562 | /* Make the x-window of frame F use a rectangle with text. |
10563 | Use ICON_NAME as the text. */ | |
dc6f92b8 JB |
10564 | |
10565 | int | |
f676886a JB |
10566 | x_text_icon (f, icon_name) |
10567 | struct frame *f; | |
dc6f92b8 JB |
10568 | char *icon_name; |
10569 | { | |
c118dd06 | 10570 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
10571 | return 1; |
10572 | ||
1be2d067 KH |
10573 | #ifdef HAVE_X11R4 |
10574 | { | |
10575 | XTextProperty text; | |
10576 | text.value = (unsigned char *) icon_name; | |
10577 | text.encoding = XA_STRING; | |
10578 | text.format = 8; | |
10579 | text.nitems = strlen (icon_name); | |
10580 | #ifdef USE_X_TOOLKIT | |
7556890b | 10581 | XSetWMIconName (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget), |
1be2d067 KH |
10582 | &text); |
10583 | #else /* not USE_X_TOOLKIT */ | |
10584 | XSetWMIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &text); | |
10585 | #endif /* not USE_X_TOOLKIT */ | |
10586 | } | |
10587 | #else /* not HAVE_X11R4 */ | |
10588 | XSetIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), icon_name); | |
10589 | #endif /* not HAVE_X11R4 */ | |
58769bee | 10590 | |
7556890b RS |
10591 | if (f->output_data.x->icon_bitmap > 0) |
10592 | x_destroy_bitmap (f, f->output_data.x->icon_bitmap); | |
10593 | f->output_data.x->icon_bitmap = 0; | |
b1c884c3 | 10594 | x_wm_set_icon_pixmap (f, 0); |
dc6f92b8 JB |
10595 | |
10596 | return 0; | |
10597 | } | |
10598 | \f | |
e99db5a1 RS |
10599 | #define X_ERROR_MESSAGE_SIZE 200 |
10600 | ||
10601 | /* If non-nil, this should be a string. | |
10602 | It means catch X errors and store the error message in this string. */ | |
10603 | ||
10604 | static Lisp_Object x_error_message_string; | |
10605 | ||
10606 | /* An X error handler which stores the error message in | |
10607 | x_error_message_string. This is called from x_error_handler if | |
10608 | x_catch_errors is in effect. */ | |
10609 | ||
06a2c219 | 10610 | static void |
e99db5a1 RS |
10611 | x_error_catcher (display, error) |
10612 | Display *display; | |
10613 | XErrorEvent *error; | |
10614 | { | |
10615 | XGetErrorText (display, error->error_code, | |
10616 | XSTRING (x_error_message_string)->data, | |
10617 | X_ERROR_MESSAGE_SIZE); | |
10618 | } | |
10619 | ||
10620 | /* Begin trapping X errors for display DPY. Actually we trap X errors | |
10621 | for all displays, but DPY should be the display you are actually | |
10622 | operating on. | |
10623 | ||
10624 | After calling this function, X protocol errors no longer cause | |
10625 | Emacs to exit; instead, they are recorded in the string | |
10626 | stored in x_error_message_string. | |
10627 | ||
10628 | Calling x_check_errors signals an Emacs error if an X error has | |
10629 | occurred since the last call to x_catch_errors or x_check_errors. | |
10630 | ||
10631 | Calling x_uncatch_errors resumes the normal error handling. */ | |
10632 | ||
10633 | void x_check_errors (); | |
10634 | static Lisp_Object x_catch_errors_unwind (); | |
10635 | ||
10636 | int | |
10637 | x_catch_errors (dpy) | |
10638 | Display *dpy; | |
10639 | { | |
10640 | int count = specpdl_ptr - specpdl; | |
10641 | ||
10642 | /* Make sure any errors from previous requests have been dealt with. */ | |
10643 | XSync (dpy, False); | |
10644 | ||
10645 | record_unwind_protect (x_catch_errors_unwind, x_error_message_string); | |
10646 | ||
10647 | x_error_message_string = make_uninit_string (X_ERROR_MESSAGE_SIZE); | |
10648 | XSTRING (x_error_message_string)->data[0] = 0; | |
10649 | ||
10650 | return count; | |
10651 | } | |
10652 | ||
10653 | /* Unbind the binding that we made to check for X errors. */ | |
10654 | ||
10655 | static Lisp_Object | |
10656 | x_catch_errors_unwind (old_val) | |
10657 | Lisp_Object old_val; | |
10658 | { | |
10659 | x_error_message_string = old_val; | |
10660 | return Qnil; | |
10661 | } | |
10662 | ||
10663 | /* If any X protocol errors have arrived since the last call to | |
10664 | x_catch_errors or x_check_errors, signal an Emacs error using | |
10665 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
10666 | ||
10667 | void | |
10668 | x_check_errors (dpy, format) | |
10669 | Display *dpy; | |
10670 | char *format; | |
10671 | { | |
10672 | /* Make sure to catch any errors incurred so far. */ | |
10673 | XSync (dpy, False); | |
10674 | ||
10675 | if (XSTRING (x_error_message_string)->data[0]) | |
10676 | error (format, XSTRING (x_error_message_string)->data); | |
10677 | } | |
10678 | ||
9829ddba RS |
10679 | /* Nonzero if we had any X protocol errors |
10680 | since we did x_catch_errors on DPY. */ | |
e99db5a1 RS |
10681 | |
10682 | int | |
10683 | x_had_errors_p (dpy) | |
10684 | Display *dpy; | |
10685 | { | |
10686 | /* Make sure to catch any errors incurred so far. */ | |
10687 | XSync (dpy, False); | |
10688 | ||
10689 | return XSTRING (x_error_message_string)->data[0] != 0; | |
10690 | } | |
10691 | ||
9829ddba RS |
10692 | /* Forget about any errors we have had, since we did x_catch_errors on DPY. */ |
10693 | ||
06a2c219 | 10694 | void |
9829ddba RS |
10695 | x_clear_errors (dpy) |
10696 | Display *dpy; | |
10697 | { | |
10698 | XSTRING (x_error_message_string)->data[0] = 0; | |
10699 | } | |
10700 | ||
e99db5a1 RS |
10701 | /* Stop catching X protocol errors and let them make Emacs die. |
10702 | DPY should be the display that was passed to x_catch_errors. | |
10703 | COUNT should be the value that was returned by | |
10704 | the corresponding call to x_catch_errors. */ | |
10705 | ||
10706 | void | |
10707 | x_uncatch_errors (dpy, count) | |
10708 | Display *dpy; | |
10709 | int count; | |
10710 | { | |
10711 | unbind_to (count, Qnil); | |
10712 | } | |
10713 | ||
10714 | #if 0 | |
10715 | static unsigned int x_wire_count; | |
10716 | x_trace_wire () | |
10717 | { | |
10718 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
10719 | } | |
10720 | #endif /* ! 0 */ | |
10721 | ||
10722 | \f | |
10723 | /* Handle SIGPIPE, which can happen when the connection to a server | |
10724 | simply goes away. SIGPIPE is handled by x_connection_signal. | |
10725 | Don't need to do anything, because the write which caused the | |
10726 | SIGPIPE will fail, causing Xlib to invoke the X IO error handler, | |
06a2c219 | 10727 | which will do the appropriate cleanup for us. */ |
e99db5a1 RS |
10728 | |
10729 | static SIGTYPE | |
10730 | x_connection_signal (signalnum) /* If we don't have an argument, */ | |
06a2c219 | 10731 | int signalnum; /* some compilers complain in signal calls. */ |
e99db5a1 RS |
10732 | { |
10733 | #ifdef USG | |
10734 | /* USG systems forget handlers when they are used; | |
10735 | must reestablish each time */ | |
10736 | signal (signalnum, x_connection_signal); | |
10737 | #endif /* USG */ | |
10738 | } | |
10739 | \f | |
4746118a JB |
10740 | /* Handling X errors. */ |
10741 | ||
7a13e894 | 10742 | /* Handle the loss of connection to display DISPLAY. */ |
16bd92ea | 10743 | |
4746118a | 10744 | static SIGTYPE |
7a13e894 RS |
10745 | x_connection_closed (display, error_message) |
10746 | Display *display; | |
10747 | char *error_message; | |
4746118a | 10748 | { |
7a13e894 RS |
10749 | struct x_display_info *dpyinfo = x_display_info_for_display (display); |
10750 | Lisp_Object frame, tail; | |
10751 | ||
6186a4a0 RS |
10752 | /* Indicate that this display is dead. */ |
10753 | ||
2e465cdd | 10754 | #if 0 /* Closing the display caused a bus error on OpenWindows. */ |
f613a4c8 | 10755 | #ifdef USE_X_TOOLKIT |
adabc3a9 | 10756 | XtCloseDisplay (display); |
2e465cdd | 10757 | #endif |
f613a4c8 | 10758 | #endif |
adabc3a9 | 10759 | |
6186a4a0 RS |
10760 | dpyinfo->display = 0; |
10761 | ||
06a2c219 | 10762 | /* First delete frames whose mini-buffers are on frames |
7a13e894 RS |
10763 | that are on the dead display. */ |
10764 | FOR_EACH_FRAME (tail, frame) | |
10765 | { | |
10766 | Lisp_Object minibuf_frame; | |
10767 | minibuf_frame | |
10768 | = WINDOW_FRAME (XWINDOW (FRAME_MINIBUF_WINDOW (XFRAME (frame)))); | |
f48f33ca RS |
10769 | if (FRAME_X_P (XFRAME (frame)) |
10770 | && FRAME_X_P (XFRAME (minibuf_frame)) | |
10771 | && ! EQ (frame, minibuf_frame) | |
10772 | && FRAME_X_DISPLAY_INFO (XFRAME (minibuf_frame)) == dpyinfo) | |
7a13e894 RS |
10773 | Fdelete_frame (frame, Qt); |
10774 | } | |
10775 | ||
10776 | /* Now delete all remaining frames on the dead display. | |
06a2c219 | 10777 | We are now sure none of these is used as the mini-buffer |
7a13e894 RS |
10778 | for another frame that we need to delete. */ |
10779 | FOR_EACH_FRAME (tail, frame) | |
f48f33ca RS |
10780 | if (FRAME_X_P (XFRAME (frame)) |
10781 | && FRAME_X_DISPLAY_INFO (XFRAME (frame)) == dpyinfo) | |
07a7096a KH |
10782 | { |
10783 | /* Set this to t so that Fdelete_frame won't get confused | |
10784 | trying to find a replacement. */ | |
10785 | FRAME_KBOARD (XFRAME (frame))->Vdefault_minibuffer_frame = Qt; | |
10786 | Fdelete_frame (frame, Qt); | |
10787 | } | |
7a13e894 | 10788 | |
482a1bd2 KH |
10789 | if (dpyinfo) |
10790 | x_delete_display (dpyinfo); | |
7a13e894 RS |
10791 | |
10792 | if (x_display_list == 0) | |
10793 | { | |
f8d07b62 | 10794 | fprintf (stderr, "%s\n", error_message); |
7a13e894 RS |
10795 | shut_down_emacs (0, 0, Qnil); |
10796 | exit (70); | |
10797 | } | |
12ba150f | 10798 | |
7a13e894 RS |
10799 | /* Ordinary stack unwind doesn't deal with these. */ |
10800 | #ifdef SIGIO | |
10801 | sigunblock (sigmask (SIGIO)); | |
10802 | #endif | |
10803 | sigunblock (sigmask (SIGALRM)); | |
10804 | TOTALLY_UNBLOCK_INPUT; | |
10805 | ||
aa4d9a9e | 10806 | clear_waiting_for_input (); |
7a13e894 | 10807 | error ("%s", error_message); |
4746118a JB |
10808 | } |
10809 | ||
7a13e894 RS |
10810 | /* This is the usual handler for X protocol errors. |
10811 | It kills all frames on the display that we got the error for. | |
10812 | If that was the only one, it prints an error message and kills Emacs. */ | |
10813 | ||
06a2c219 | 10814 | static void |
c118dd06 JB |
10815 | x_error_quitter (display, error) |
10816 | Display *display; | |
10817 | XErrorEvent *error; | |
10818 | { | |
7a13e894 | 10819 | char buf[256], buf1[356]; |
dc6f92b8 | 10820 | |
58769bee | 10821 | /* Note that there is no real way portable across R3/R4 to get the |
c118dd06 | 10822 | original error handler. */ |
dc6f92b8 | 10823 | |
c118dd06 | 10824 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
0a0fdc70 | 10825 | sprintf (buf1, "X protocol error: %s on protocol request %d", |
c118dd06 | 10826 | buf, error->request_code); |
7a13e894 | 10827 | x_connection_closed (display, buf1); |
dc6f92b8 JB |
10828 | } |
10829 | ||
e99db5a1 RS |
10830 | /* This is the first-level handler for X protocol errors. |
10831 | It calls x_error_quitter or x_error_catcher. */ | |
7a13e894 | 10832 | |
8922af5f | 10833 | static int |
e99db5a1 | 10834 | x_error_handler (display, error) |
8922af5f | 10835 | Display *display; |
e99db5a1 | 10836 | XErrorEvent *error; |
8922af5f | 10837 | { |
e99db5a1 RS |
10838 | if (! NILP (x_error_message_string)) |
10839 | x_error_catcher (display, error); | |
10840 | else | |
10841 | x_error_quitter (display, error); | |
06a2c219 | 10842 | return 0; |
f9e24cb9 | 10843 | } |
c118dd06 | 10844 | |
e99db5a1 RS |
10845 | /* This is the handler for X IO errors, always. |
10846 | It kills all frames on the display that we lost touch with. | |
10847 | If that was the only one, it prints an error message and kills Emacs. */ | |
7a13e894 | 10848 | |
c118dd06 | 10849 | static int |
e99db5a1 | 10850 | x_io_error_quitter (display) |
c118dd06 | 10851 | Display *display; |
c118dd06 | 10852 | { |
e99db5a1 | 10853 | char buf[256]; |
dc6f92b8 | 10854 | |
e99db5a1 RS |
10855 | sprintf (buf, "Connection lost to X server `%s'", DisplayString (display)); |
10856 | x_connection_closed (display, buf); | |
06a2c219 | 10857 | return 0; |
dc6f92b8 | 10858 | } |
dc6f92b8 | 10859 | \f |
f451eb13 JB |
10860 | /* Changing the font of the frame. */ |
10861 | ||
76bcdf39 RS |
10862 | /* Give frame F the font named FONTNAME as its default font, and |
10863 | return the full name of that font. FONTNAME may be a wildcard | |
10864 | pattern; in that case, we choose some font that fits the pattern. | |
10865 | The return value shows which font we chose. */ | |
10866 | ||
b5cf7a0e | 10867 | Lisp_Object |
f676886a JB |
10868 | x_new_font (f, fontname) |
10869 | struct frame *f; | |
dc6f92b8 JB |
10870 | register char *fontname; |
10871 | { | |
dc43ef94 | 10872 | struct font_info *fontp |
ee569018 | 10873 | = FS_LOAD_FONT (f, 0, fontname, -1); |
dc6f92b8 | 10874 | |
dc43ef94 KH |
10875 | if (!fontp) |
10876 | return Qnil; | |
2224a5fc | 10877 | |
dc43ef94 | 10878 | f->output_data.x->font = (XFontStruct *) (fontp->font); |
b4192550 | 10879 | f->output_data.x->baseline_offset = fontp->baseline_offset; |
dc43ef94 KH |
10880 | f->output_data.x->fontset = -1; |
10881 | ||
b2cad826 KH |
10882 | /* Compute the scroll bar width in character columns. */ |
10883 | if (f->scroll_bar_pixel_width > 0) | |
10884 | { | |
7556890b | 10885 | int wid = FONT_WIDTH (f->output_data.x->font); |
b2cad826 KH |
10886 | f->scroll_bar_cols = (f->scroll_bar_pixel_width + wid-1) / wid; |
10887 | } | |
10888 | else | |
4e61bddf RS |
10889 | { |
10890 | int wid = FONT_WIDTH (f->output_data.x->font); | |
10891 | f->scroll_bar_cols = (14 + wid - 1) / wid; | |
10892 | } | |
b2cad826 | 10893 | |
f676886a | 10894 | /* Now make the frame display the given font. */ |
c118dd06 | 10895 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 10896 | { |
7556890b RS |
10897 | XSetFont (FRAME_X_DISPLAY (f), f->output_data.x->normal_gc, |
10898 | f->output_data.x->font->fid); | |
10899 | XSetFont (FRAME_X_DISPLAY (f), f->output_data.x->reverse_gc, | |
10900 | f->output_data.x->font->fid); | |
10901 | XSetFont (FRAME_X_DISPLAY (f), f->output_data.x->cursor_gc, | |
10902 | f->output_data.x->font->fid); | |
f676886a | 10903 | |
a27f9f86 | 10904 | frame_update_line_height (f); |
0134a210 | 10905 | x_set_window_size (f, 0, f->width, f->height); |
dc6f92b8 | 10906 | } |
a27f9f86 RS |
10907 | else |
10908 | /* If we are setting a new frame's font for the first time, | |
10909 | there are no faces yet, so this font's height is the line height. */ | |
7556890b | 10910 | f->output_data.x->line_height = FONT_HEIGHT (f->output_data.x->font); |
dc6f92b8 | 10911 | |
dc43ef94 KH |
10912 | return build_string (fontp->full_name); |
10913 | } | |
10914 | ||
10915 | /* Give frame F the fontset named FONTSETNAME as its default font, and | |
10916 | return the full name of that fontset. FONTSETNAME may be a wildcard | |
b5210ea7 KH |
10917 | pattern; in that case, we choose some fontset that fits the pattern. |
10918 | The return value shows which fontset we chose. */ | |
b5cf7a0e | 10919 | |
dc43ef94 KH |
10920 | Lisp_Object |
10921 | x_new_fontset (f, fontsetname) | |
10922 | struct frame *f; | |
10923 | char *fontsetname; | |
10924 | { | |
ee569018 | 10925 | int fontset = fs_query_fontset (build_string (fontsetname), 0); |
dc43ef94 | 10926 | Lisp_Object result; |
ee569018 | 10927 | char *fontname; |
b5cf7a0e | 10928 | |
dc43ef94 KH |
10929 | if (fontset < 0) |
10930 | return Qnil; | |
b5cf7a0e | 10931 | |
2da424f1 KH |
10932 | if (f->output_data.x->fontset == fontset) |
10933 | /* This fontset is already set in frame F. There's nothing more | |
10934 | to do. */ | |
ee569018 | 10935 | return fontset_name (fontset); |
dc43ef94 | 10936 | |
ee569018 | 10937 | result = x_new_font (f, (XSTRING (fontset_ascii (fontset))->data)); |
dc43ef94 KH |
10938 | |
10939 | if (!STRINGP (result)) | |
10940 | /* Can't load ASCII font. */ | |
10941 | return Qnil; | |
10942 | ||
10943 | /* Since x_new_font doesn't update any fontset information, do it now. */ | |
10944 | f->output_data.x->fontset = fontset; | |
dc43ef94 | 10945 | |
f5d11644 GM |
10946 | #ifdef HAVE_X_I18N |
10947 | if (FRAME_XIC (f) | |
10948 | && (FRAME_XIC_STYLE (f) & (XIMPreeditPosition | XIMStatusArea))) | |
ee569018 | 10949 | xic_set_xfontset (f, XSTRING (fontset_ascii (fontset))->data); |
f5d11644 GM |
10950 | #endif |
10951 | ||
dc43ef94 | 10952 | return build_string (fontsetname); |
dc6f92b8 | 10953 | } |
f5d11644 GM |
10954 | |
10955 | \f | |
10956 | /*********************************************************************** | |
10957 | X Input Methods | |
10958 | ***********************************************************************/ | |
10959 | ||
10960 | #ifdef HAVE_X_I18N | |
10961 | ||
10962 | #ifdef HAVE_X11R6 | |
10963 | ||
10964 | /* XIM destroy callback function, which is called whenever the | |
10965 | connection to input method XIM dies. CLIENT_DATA contains a | |
10966 | pointer to the x_display_info structure corresponding to XIM. */ | |
10967 | ||
10968 | static void | |
10969 | xim_destroy_callback (xim, client_data, call_data) | |
10970 | XIM xim; | |
10971 | XPointer client_data; | |
10972 | XPointer call_data; | |
10973 | { | |
10974 | struct x_display_info *dpyinfo = (struct x_display_info *) client_data; | |
10975 | Lisp_Object frame, tail; | |
10976 | ||
10977 | BLOCK_INPUT; | |
10978 | ||
10979 | /* No need to call XDestroyIC.. */ | |
10980 | FOR_EACH_FRAME (tail, frame) | |
10981 | { | |
10982 | struct frame *f = XFRAME (frame); | |
10983 | if (FRAME_X_DISPLAY_INFO (f) == dpyinfo) | |
10984 | { | |
10985 | FRAME_XIC (f) = NULL; | |
10986 | if (FRAME_XIC_FONTSET (f)) | |
10987 | { | |
10988 | XFreeFontSet (FRAME_X_DISPLAY (f), FRAME_XIC_FONTSET (f)); | |
10989 | FRAME_XIC_FONTSET (f) = NULL; | |
10990 | } | |
10991 | } | |
10992 | } | |
10993 | ||
10994 | /* No need to call XCloseIM. */ | |
10995 | dpyinfo->xim = NULL; | |
10996 | XFree (dpyinfo->xim_styles); | |
10997 | UNBLOCK_INPUT; | |
10998 | } | |
10999 | ||
11000 | #endif /* HAVE_X11R6 */ | |
11001 | ||
11002 | /* Open the connection to the XIM server on display DPYINFO. | |
11003 | RESOURCE_NAME is the resource name Emacs uses. */ | |
11004 | ||
11005 | static void | |
11006 | xim_open_dpy (dpyinfo, resource_name) | |
11007 | struct x_display_info *dpyinfo; | |
11008 | char *resource_name; | |
11009 | { | |
11010 | XIM xim; | |
11011 | ||
11012 | xim = XOpenIM (dpyinfo->display, dpyinfo->xrdb, resource_name, EMACS_CLASS); | |
11013 | dpyinfo->xim = xim; | |
11014 | ||
11015 | if (xim) | |
11016 | { | |
f5d11644 GM |
11017 | #ifdef HAVE_X11R6 |
11018 | XIMCallback destroy; | |
11019 | #endif | |
11020 | ||
11021 | /* Get supported styles and XIM values. */ | |
11022 | XGetIMValues (xim, XNQueryInputStyle, &dpyinfo->xim_styles, NULL); | |
11023 | ||
11024 | #ifdef HAVE_X11R6 | |
11025 | destroy.callback = xim_destroy_callback; | |
11026 | destroy.client_data = (XPointer)dpyinfo; | |
11027 | XSetIMValues (xim, XNDestroyCallback, &destroy, NULL); | |
11028 | #endif | |
11029 | } | |
11030 | } | |
11031 | ||
11032 | ||
b9de836c | 11033 | #ifdef HAVE_X11R6_XIM |
f5d11644 GM |
11034 | |
11035 | struct xim_inst_t | |
11036 | { | |
11037 | struct x_display_info *dpyinfo; | |
11038 | char *resource_name; | |
11039 | }; | |
11040 | ||
11041 | /* XIM instantiate callback function, which is called whenever an XIM | |
11042 | server is available. DISPLAY is teh display of the XIM. | |
11043 | CLIENT_DATA contains a pointer to an xim_inst_t structure created | |
11044 | when the callback was registered. */ | |
11045 | ||
11046 | static void | |
11047 | xim_instantiate_callback (display, client_data, call_data) | |
11048 | Display *display; | |
11049 | XPointer client_data; | |
11050 | XPointer call_data; | |
11051 | { | |
11052 | struct xim_inst_t *xim_inst = (struct xim_inst_t *) client_data; | |
11053 | struct x_display_info *dpyinfo = xim_inst->dpyinfo; | |
11054 | ||
11055 | /* We don't support multiple XIM connections. */ | |
11056 | if (dpyinfo->xim) | |
11057 | return; | |
11058 | ||
11059 | xim_open_dpy (dpyinfo, xim_inst->resource_name); | |
11060 | ||
11061 | /* Create XIC for the existing frames on the same display, as long | |
11062 | as they have no XIC. */ | |
11063 | if (dpyinfo->xim && dpyinfo->reference_count > 0) | |
11064 | { | |
11065 | Lisp_Object tail, frame; | |
11066 | ||
11067 | BLOCK_INPUT; | |
11068 | FOR_EACH_FRAME (tail, frame) | |
11069 | { | |
11070 | struct frame *f = XFRAME (frame); | |
11071 | ||
11072 | if (FRAME_X_DISPLAY_INFO (f) == xim_inst->dpyinfo) | |
11073 | if (FRAME_XIC (f) == NULL) | |
11074 | { | |
11075 | create_frame_xic (f); | |
11076 | if (FRAME_XIC_STYLE (f) & XIMStatusArea) | |
11077 | xic_set_statusarea (f); | |
11078 | if (FRAME_XIC_STYLE (f) & XIMPreeditPosition) | |
11079 | { | |
11080 | struct window *w = XWINDOW (f->selected_window); | |
11081 | xic_set_preeditarea (w, w->cursor.x, w->cursor.y); | |
11082 | } | |
11083 | } | |
11084 | } | |
11085 | ||
11086 | UNBLOCK_INPUT; | |
11087 | } | |
11088 | } | |
11089 | ||
b9de836c | 11090 | #endif /* HAVE_X11R6_XIM */ |
f5d11644 GM |
11091 | |
11092 | ||
11093 | /* Open a connection to the XIM server on display DPYINFO. | |
11094 | RESOURCE_NAME is the resource name for Emacs. On X11R5, open the | |
11095 | connection only at the first time. On X11R6, open the connection | |
11096 | in the XIM instantiate callback function. */ | |
11097 | ||
11098 | static void | |
11099 | xim_initialize (dpyinfo, resource_name) | |
11100 | struct x_display_info *dpyinfo; | |
11101 | char *resource_name; | |
11102 | { | |
b9de836c | 11103 | #ifdef HAVE_X11R6_XIM |
f5d11644 GM |
11104 | struct xim_inst_t *xim_inst; |
11105 | int len; | |
11106 | ||
11107 | dpyinfo->xim = NULL; | |
11108 | xim_inst = (struct xim_inst_t *) xmalloc (sizeof (struct xim_inst_t)); | |
11109 | xim_inst->dpyinfo = dpyinfo; | |
11110 | len = strlen (resource_name); | |
11111 | xim_inst->resource_name = (char *) xmalloc (len + 1); | |
11112 | bcopy (resource_name, xim_inst->resource_name, len + 1); | |
11113 | XRegisterIMInstantiateCallback (dpyinfo->display, dpyinfo->xrdb, | |
11114 | resource_name, EMACS_CLASS, | |
11115 | xim_instantiate_callback, | |
11116 | (XPointer)xim_inst); | |
b9de836c | 11117 | #else /* not HAVE_X11R6_XIM */ |
f5d11644 GM |
11118 | dpyinfo->xim = NULL; |
11119 | xim_open_dpy (dpyinfo, resource_name); | |
b9de836c | 11120 | #endif /* not HAVE_X11R6_XIM */ |
f5d11644 GM |
11121 | } |
11122 | ||
11123 | ||
11124 | /* Close the connection to the XIM server on display DPYINFO. */ | |
11125 | ||
11126 | static void | |
11127 | xim_close_dpy (dpyinfo) | |
11128 | struct x_display_info *dpyinfo; | |
11129 | { | |
b9de836c | 11130 | #ifdef HAVE_X11R6_XIM |
f5d11644 GM |
11131 | XUnregisterIMInstantiateCallback (dpyinfo->display, dpyinfo->xrdb, |
11132 | NULL, EMACS_CLASS, | |
11133 | xim_instantiate_callback, NULL); | |
b9de836c | 11134 | #endif /* not HAVE_X11R6_XIM */ |
f5d11644 GM |
11135 | XCloseIM (dpyinfo->xim); |
11136 | dpyinfo->xim = NULL; | |
11137 | XFree (dpyinfo->xim_styles); | |
11138 | } | |
11139 | ||
b9de836c | 11140 | #endif /* not HAVE_X11R6_XIM */ |
f5d11644 GM |
11141 | |
11142 | ||
dc6f92b8 | 11143 | \f |
2e365682 RS |
11144 | /* Calculate the absolute position in frame F |
11145 | from its current recorded position values and gravity. */ | |
11146 | ||
dfcf069d | 11147 | void |
43bca5d5 | 11148 | x_calc_absolute_position (f) |
f676886a | 11149 | struct frame *f; |
dc6f92b8 | 11150 | { |
06a2c219 | 11151 | Window child; |
6dba1858 | 11152 | int win_x = 0, win_y = 0; |
7556890b | 11153 | int flags = f->output_data.x->size_hint_flags; |
c81412a0 KH |
11154 | int this_window; |
11155 | ||
9829ddba RS |
11156 | /* We have nothing to do if the current position |
11157 | is already for the top-left corner. */ | |
11158 | if (! ((flags & XNegative) || (flags & YNegative))) | |
11159 | return; | |
11160 | ||
c81412a0 | 11161 | #ifdef USE_X_TOOLKIT |
7556890b | 11162 | this_window = XtWindow (f->output_data.x->widget); |
c81412a0 KH |
11163 | #else |
11164 | this_window = FRAME_X_WINDOW (f); | |
11165 | #endif | |
6dba1858 RS |
11166 | |
11167 | /* Find the position of the outside upper-left corner of | |
9829ddba RS |
11168 | the inner window, with respect to the outer window. |
11169 | But do this only if we will need the results. */ | |
7556890b | 11170 | if (f->output_data.x->parent_desc != FRAME_X_DISPLAY_INFO (f)->root_window) |
6dba1858 | 11171 | { |
9829ddba RS |
11172 | int count; |
11173 | ||
6dba1858 | 11174 | BLOCK_INPUT; |
9829ddba RS |
11175 | count = x_catch_errors (FRAME_X_DISPLAY (f)); |
11176 | while (1) | |
11177 | { | |
11178 | x_clear_errors (FRAME_X_DISPLAY (f)); | |
11179 | XTranslateCoordinates (FRAME_X_DISPLAY (f), | |
11180 | ||
11181 | /* From-window, to-window. */ | |
11182 | this_window, | |
11183 | f->output_data.x->parent_desc, | |
11184 | ||
11185 | /* From-position, to-position. */ | |
11186 | 0, 0, &win_x, &win_y, | |
11187 | ||
11188 | /* Child of win. */ | |
11189 | &child); | |
11190 | if (x_had_errors_p (FRAME_X_DISPLAY (f))) | |
11191 | { | |
11192 | Window newroot, newparent = 0xdeadbeef; | |
11193 | Window *newchildren; | |
11194 | int nchildren; | |
11195 | ||
11196 | if (! XQueryTree (FRAME_X_DISPLAY (f), this_window, &newroot, | |
11197 | &newparent, &newchildren, &nchildren)) | |
11198 | break; | |
58769bee | 11199 | |
7c3c78a3 | 11200 | XFree ((char *) newchildren); |
6dba1858 | 11201 | |
9829ddba RS |
11202 | f->output_data.x->parent_desc = newparent; |
11203 | } | |
11204 | else | |
11205 | break; | |
11206 | } | |
6dba1858 | 11207 | |
9829ddba | 11208 | x_uncatch_errors (FRAME_X_DISPLAY (f), count); |
6dba1858 RS |
11209 | UNBLOCK_INPUT; |
11210 | } | |
11211 | ||
11212 | /* Treat negative positions as relative to the leftmost bottommost | |
11213 | position that fits on the screen. */ | |
20f55f9a | 11214 | if (flags & XNegative) |
7556890b | 11215 | f->output_data.x->left_pos = (FRAME_X_DISPLAY_INFO (f)->width |
2e365682 RS |
11216 | - 2 * f->output_data.x->border_width - win_x |
11217 | - PIXEL_WIDTH (f) | |
11218 | + f->output_data.x->left_pos); | |
dc6f92b8 | 11219 | |
20f55f9a | 11220 | if (flags & YNegative) |
06a2c219 GM |
11221 | { |
11222 | int menubar_height = 0; | |
11223 | ||
11224 | #ifdef USE_X_TOOLKIT | |
11225 | if (f->output_data.x->menubar_widget) | |
11226 | menubar_height | |
11227 | = (f->output_data.x->menubar_widget->core.height | |
11228 | + f->output_data.x->menubar_widget->core.border_width); | |
11229 | #endif | |
11230 | ||
11231 | f->output_data.x->top_pos = (FRAME_X_DISPLAY_INFO (f)->height | |
11232 | - 2 * f->output_data.x->border_width | |
11233 | - win_y | |
11234 | - PIXEL_HEIGHT (f) | |
11235 | - menubar_height | |
11236 | + f->output_data.x->top_pos); | |
11237 | } | |
2e365682 | 11238 | |
3a35ab44 RS |
11239 | /* The left_pos and top_pos |
11240 | are now relative to the top and left screen edges, | |
11241 | so the flags should correspond. */ | |
7556890b | 11242 | f->output_data.x->size_hint_flags &= ~ (XNegative | YNegative); |
dc6f92b8 JB |
11243 | } |
11244 | ||
3a35ab44 RS |
11245 | /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position, |
11246 | to really change the position, and 0 when calling from | |
11247 | x_make_frame_visible (in that case, XOFF and YOFF are the current | |
aa3ff7c9 KH |
11248 | position values). It is -1 when calling from x_set_frame_parameters, |
11249 | which means, do adjust for borders but don't change the gravity. */ | |
3a35ab44 | 11250 | |
dfcf069d | 11251 | void |
dc05a16b | 11252 | x_set_offset (f, xoff, yoff, change_gravity) |
f676886a | 11253 | struct frame *f; |
dc6f92b8 | 11254 | register int xoff, yoff; |
dc05a16b | 11255 | int change_gravity; |
dc6f92b8 | 11256 | { |
4a4cbdd5 KH |
11257 | int modified_top, modified_left; |
11258 | ||
aa3ff7c9 | 11259 | if (change_gravity > 0) |
3a35ab44 | 11260 | { |
7556890b RS |
11261 | f->output_data.x->top_pos = yoff; |
11262 | f->output_data.x->left_pos = xoff; | |
11263 | f->output_data.x->size_hint_flags &= ~ (XNegative | YNegative); | |
3a35ab44 | 11264 | if (xoff < 0) |
7556890b | 11265 | f->output_data.x->size_hint_flags |= XNegative; |
3a35ab44 | 11266 | if (yoff < 0) |
7556890b RS |
11267 | f->output_data.x->size_hint_flags |= YNegative; |
11268 | f->output_data.x->win_gravity = NorthWestGravity; | |
3a35ab44 | 11269 | } |
43bca5d5 | 11270 | x_calc_absolute_position (f); |
dc6f92b8 JB |
11271 | |
11272 | BLOCK_INPUT; | |
c32cdd9a | 11273 | x_wm_set_size_hint (f, (long) 0, 0); |
3a35ab44 | 11274 | |
7556890b RS |
11275 | modified_left = f->output_data.x->left_pos; |
11276 | modified_top = f->output_data.x->top_pos; | |
e73ec6fa RS |
11277 | #if 0 /* Running on psilocin (Debian), and displaying on the NCD X-terminal, |
11278 | this seems to be unnecessary and incorrect. rms, 4/17/97. */ | |
11279 | /* It is a mystery why we need to add the border_width here | |
11280 | when the frame is already visible, but experiment says we do. */ | |
aa3ff7c9 | 11281 | if (change_gravity != 0) |
4a4cbdd5 | 11282 | { |
7556890b RS |
11283 | modified_left += f->output_data.x->border_width; |
11284 | modified_top += f->output_data.x->border_width; | |
4a4cbdd5 | 11285 | } |
e73ec6fa | 11286 | #endif |
4a4cbdd5 | 11287 | |
3afe33e7 | 11288 | #ifdef USE_X_TOOLKIT |
7556890b | 11289 | XMoveWindow (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget), |
4a4cbdd5 | 11290 | modified_left, modified_top); |
3afe33e7 | 11291 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 11292 | XMoveWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
4a4cbdd5 | 11293 | modified_left, modified_top); |
3afe33e7 | 11294 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
11295 | UNBLOCK_INPUT; |
11296 | } | |
11297 | ||
bc20ebbf FP |
11298 | /* Call this to change the size of frame F's x-window. |
11299 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity | |
11300 | for this size change and subsequent size changes. | |
11301 | Otherwise we leave the window gravity unchanged. */ | |
dc6f92b8 | 11302 | |
dfcf069d | 11303 | void |
bc20ebbf | 11304 | x_set_window_size (f, change_gravity, cols, rows) |
f676886a | 11305 | struct frame *f; |
bc20ebbf | 11306 | int change_gravity; |
b1c884c3 | 11307 | int cols, rows; |
dc6f92b8 | 11308 | { |
06a2c219 | 11309 | #ifndef USE_X_TOOLKIT |
dc6f92b8 | 11310 | int pixelwidth, pixelheight; |
06a2c219 | 11311 | #endif |
dc6f92b8 | 11312 | |
80fd1fe2 | 11313 | BLOCK_INPUT; |
aee9a898 RS |
11314 | |
11315 | #ifdef USE_X_TOOLKIT | |
3a20653d RS |
11316 | { |
11317 | /* The x and y position of the widget is clobbered by the | |
11318 | call to XtSetValues within EmacsFrameSetCharSize. | |
11319 | This is a real kludge, but I don't understand Xt so I can't | |
11320 | figure out a correct fix. Can anyone else tell me? -- rms. */ | |
7556890b RS |
11321 | int xpos = f->output_data.x->widget->core.x; |
11322 | int ypos = f->output_data.x->widget->core.y; | |
11323 | EmacsFrameSetCharSize (f->output_data.x->edit_widget, cols, rows); | |
11324 | f->output_data.x->widget->core.x = xpos; | |
11325 | f->output_data.x->widget->core.y = ypos; | |
3a20653d | 11326 | } |
80fd1fe2 FP |
11327 | |
11328 | #else /* not USE_X_TOOLKIT */ | |
11329 | ||
b1c884c3 | 11330 | check_frame_size (f, &rows, &cols); |
7556890b | 11331 | f->output_data.x->vertical_scroll_bar_extra |
b2cad826 KH |
11332 | = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f) |
11333 | ? 0 | |
11334 | : FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 | |
480407eb | 11335 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) |
7556890b | 11336 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.x->font))); |
06a2c219 | 11337 | f->output_data.x->flags_areas_extra |
110859fc | 11338 | = FRAME_FLAGS_AREA_WIDTH (f); |
f451eb13 JB |
11339 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); |
11340 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 | 11341 | |
7556890b | 11342 | f->output_data.x->win_gravity = NorthWestGravity; |
c32cdd9a | 11343 | x_wm_set_size_hint (f, (long) 0, 0); |
6ccf47d1 | 11344 | |
334208b7 RS |
11345 | XSync (FRAME_X_DISPLAY (f), False); |
11346 | XResizeWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
11347 | pixelwidth, pixelheight); | |
b1c884c3 JB |
11348 | |
11349 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
11350 | but the window manager will get around to dealing with the size | |
11351 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
11352 | ConfigureNotify event gets here. |
11353 | ||
11354 | We could just not bother storing any of this information here, | |
11355 | and let the ConfigureNotify event set everything up, but that | |
fddd5ceb | 11356 | might be kind of confusing to the Lisp code, since size changes |
dbc4e1c1 | 11357 | wouldn't be reported in the frame parameters until some random |
fddd5ceb RS |
11358 | point in the future when the ConfigureNotify event arrives. |
11359 | ||
11360 | We pass 1 for DELAY since we can't run Lisp code inside of | |
11361 | a BLOCK_INPUT. */ | |
7d1e984f | 11362 | change_frame_size (f, rows, cols, 0, 1, 0); |
b1c884c3 JB |
11363 | PIXEL_WIDTH (f) = pixelwidth; |
11364 | PIXEL_HEIGHT (f) = pixelheight; | |
11365 | ||
aee9a898 RS |
11366 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
11367 | receive in the ConfigureNotify event; if we get what we asked | |
11368 | for, then the event won't cause the screen to become garbaged, so | |
11369 | we have to make sure to do it here. */ | |
11370 | SET_FRAME_GARBAGED (f); | |
11371 | ||
11372 | XFlush (FRAME_X_DISPLAY (f)); | |
11373 | ||
11374 | #endif /* not USE_X_TOOLKIT */ | |
11375 | ||
4d73d038 | 11376 | /* If cursor was outside the new size, mark it as off. */ |
06a2c219 | 11377 | mark_window_cursors_off (XWINDOW (f->root_window)); |
4d73d038 | 11378 | |
aee9a898 RS |
11379 | /* Clear out any recollection of where the mouse highlighting was, |
11380 | since it might be in a place that's outside the new frame size. | |
11381 | Actually checking whether it is outside is a pain in the neck, | |
11382 | so don't try--just let the highlighting be done afresh with new size. */ | |
e687d06e | 11383 | cancel_mouse_face (f); |
dbc4e1c1 | 11384 | |
dc6f92b8 JB |
11385 | UNBLOCK_INPUT; |
11386 | } | |
dc6f92b8 | 11387 | \f |
d047c4eb | 11388 | /* Mouse warping. */ |
dc6f92b8 | 11389 | |
9b378208 | 11390 | void |
f676886a JB |
11391 | x_set_mouse_position (f, x, y) |
11392 | struct frame *f; | |
dc6f92b8 JB |
11393 | int x, y; |
11394 | { | |
11395 | int pix_x, pix_y; | |
11396 | ||
7556890b RS |
11397 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->output_data.x->font) / 2; |
11398 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + f->output_data.x->line_height / 2; | |
f451eb13 JB |
11399 | |
11400 | if (pix_x < 0) pix_x = 0; | |
11401 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
11402 | ||
11403 | if (pix_y < 0) pix_y = 0; | |
11404 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
11405 | |
11406 | BLOCK_INPUT; | |
dc6f92b8 | 11407 | |
334208b7 RS |
11408 | XWarpPointer (FRAME_X_DISPLAY (f), None, FRAME_X_WINDOW (f), |
11409 | 0, 0, 0, 0, pix_x, pix_y); | |
dc6f92b8 JB |
11410 | UNBLOCK_INPUT; |
11411 | } | |
11412 | ||
9b378208 RS |
11413 | /* Move the mouse to position pixel PIX_X, PIX_Y relative to frame F. */ |
11414 | ||
11415 | void | |
11416 | x_set_mouse_pixel_position (f, pix_x, pix_y) | |
11417 | struct frame *f; | |
11418 | int pix_x, pix_y; | |
11419 | { | |
11420 | BLOCK_INPUT; | |
11421 | ||
334208b7 RS |
11422 | XWarpPointer (FRAME_X_DISPLAY (f), None, FRAME_X_WINDOW (f), |
11423 | 0, 0, 0, 0, pix_x, pix_y); | |
9b378208 RS |
11424 | UNBLOCK_INPUT; |
11425 | } | |
d047c4eb KH |
11426 | \f |
11427 | /* focus shifting, raising and lowering. */ | |
9b378208 | 11428 | |
dfcf069d | 11429 | void |
f676886a JB |
11430 | x_focus_on_frame (f) |
11431 | struct frame *f; | |
dc6f92b8 | 11432 | { |
1fb20991 | 11433 | #if 0 /* This proves to be unpleasant. */ |
f676886a | 11434 | x_raise_frame (f); |
1fb20991 | 11435 | #endif |
6d4238f3 JB |
11436 | #if 0 |
11437 | /* I don't think that the ICCCM allows programs to do things like this | |
11438 | without the interaction of the window manager. Whatever you end up | |
f676886a | 11439 | doing with this code, do it to x_unfocus_frame too. */ |
334208b7 | 11440 | XSetInputFocus (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dc6f92b8 | 11441 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 11442 | #endif /* ! 0 */ |
dc6f92b8 JB |
11443 | } |
11444 | ||
dfcf069d | 11445 | void |
f676886a JB |
11446 | x_unfocus_frame (f) |
11447 | struct frame *f; | |
dc6f92b8 | 11448 | { |
6d4238f3 | 11449 | #if 0 |
f676886a | 11450 | /* Look at the remarks in x_focus_on_frame. */ |
0f941935 | 11451 | if (FRAME_X_DISPLAY_INFO (f)->x_focus_frame == f) |
334208b7 | 11452 | XSetInputFocus (FRAME_X_DISPLAY (f), PointerRoot, |
dc6f92b8 | 11453 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 11454 | #endif /* ! 0 */ |
dc6f92b8 JB |
11455 | } |
11456 | ||
f676886a | 11457 | /* Raise frame F. */ |
dc6f92b8 | 11458 | |
dfcf069d | 11459 | void |
f676886a JB |
11460 | x_raise_frame (f) |
11461 | struct frame *f; | |
dc6f92b8 | 11462 | { |
3a88c238 | 11463 | if (f->async_visible) |
dc6f92b8 JB |
11464 | { |
11465 | BLOCK_INPUT; | |
3afe33e7 | 11466 | #ifdef USE_X_TOOLKIT |
7556890b | 11467 | XRaiseWindow (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget)); |
3afe33e7 | 11468 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 11469 | XRaiseWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 11470 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 11471 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
11472 | UNBLOCK_INPUT; |
11473 | } | |
11474 | } | |
11475 | ||
f676886a | 11476 | /* Lower frame F. */ |
dc6f92b8 | 11477 | |
dfcf069d | 11478 | void |
f676886a JB |
11479 | x_lower_frame (f) |
11480 | struct frame *f; | |
dc6f92b8 | 11481 | { |
3a88c238 | 11482 | if (f->async_visible) |
dc6f92b8 JB |
11483 | { |
11484 | BLOCK_INPUT; | |
3afe33e7 | 11485 | #ifdef USE_X_TOOLKIT |
7556890b | 11486 | XLowerWindow (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget)); |
3afe33e7 | 11487 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 11488 | XLowerWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 11489 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 11490 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
11491 | UNBLOCK_INPUT; |
11492 | } | |
11493 | } | |
11494 | ||
dbc4e1c1 | 11495 | static void |
6b0442dc | 11496 | XTframe_raise_lower (f, raise_flag) |
dbc4e1c1 | 11497 | FRAME_PTR f; |
6b0442dc | 11498 | int raise_flag; |
dbc4e1c1 | 11499 | { |
6b0442dc | 11500 | if (raise_flag) |
dbc4e1c1 JB |
11501 | x_raise_frame (f); |
11502 | else | |
11503 | x_lower_frame (f); | |
11504 | } | |
d047c4eb KH |
11505 | \f |
11506 | /* Change of visibility. */ | |
dc6f92b8 | 11507 | |
9382638d KH |
11508 | /* This tries to wait until the frame is really visible. |
11509 | However, if the window manager asks the user where to position | |
11510 | the frame, this will return before the user finishes doing that. | |
11511 | The frame will not actually be visible at that time, | |
11512 | but it will become visible later when the window manager | |
11513 | finishes with it. */ | |
11514 | ||
dfcf069d | 11515 | void |
f676886a JB |
11516 | x_make_frame_visible (f) |
11517 | struct frame *f; | |
dc6f92b8 | 11518 | { |
990ba854 | 11519 | Lisp_Object type; |
1aa6072f | 11520 | int original_top, original_left; |
dc6f92b8 | 11521 | |
dc6f92b8 | 11522 | BLOCK_INPUT; |
dc6f92b8 | 11523 | |
990ba854 RS |
11524 | type = x_icon_type (f); |
11525 | if (!NILP (type)) | |
11526 | x_bitmap_icon (f, type); | |
bdcd49ba | 11527 | |
f676886a | 11528 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 | 11529 | { |
1aa6072f RS |
11530 | /* We test FRAME_GARBAGED_P here to make sure we don't |
11531 | call x_set_offset a second time | |
11532 | if we get to x_make_frame_visible a second time | |
11533 | before the window gets really visible. */ | |
11534 | if (! FRAME_ICONIFIED_P (f) | |
11535 | && ! f->output_data.x->asked_for_visible) | |
11536 | x_set_offset (f, f->output_data.x->left_pos, f->output_data.x->top_pos, 0); | |
11537 | ||
11538 | f->output_data.x->asked_for_visible = 1; | |
11539 | ||
90e65f07 | 11540 | if (! EQ (Vx_no_window_manager, Qt)) |
f676886a | 11541 | x_wm_set_window_state (f, NormalState); |
3afe33e7 | 11542 | #ifdef USE_X_TOOLKIT |
d7a38a2e | 11543 | /* This was XtPopup, but that did nothing for an iconified frame. */ |
7556890b | 11544 | XtMapWidget (f->output_data.x->widget); |
3afe33e7 | 11545 | #else /* not USE_X_TOOLKIT */ |
7f9c7f94 | 11546 | XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 11547 | #endif /* not USE_X_TOOLKIT */ |
0134a210 RS |
11548 | #if 0 /* This seems to bring back scroll bars in the wrong places |
11549 | if the window configuration has changed. They seem | |
11550 | to come back ok without this. */ | |
ab648270 | 11551 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
334208b7 | 11552 | XMapSubwindows (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
0134a210 | 11553 | #endif |
90e65f07 | 11554 | } |
dc6f92b8 | 11555 | |
334208b7 | 11556 | XFlush (FRAME_X_DISPLAY (f)); |
90e65f07 | 11557 | |
0dacf791 RS |
11558 | /* Synchronize to ensure Emacs knows the frame is visible |
11559 | before we do anything else. We do this loop with input not blocked | |
11560 | so that incoming events are handled. */ | |
11561 | { | |
11562 | Lisp_Object frame; | |
12ce2351 | 11563 | int count; |
28c01ffe RS |
11564 | /* This must be before UNBLOCK_INPUT |
11565 | since events that arrive in response to the actions above | |
11566 | will set it when they are handled. */ | |
11567 | int previously_visible = f->output_data.x->has_been_visible; | |
1aa6072f RS |
11568 | |
11569 | original_left = f->output_data.x->left_pos; | |
11570 | original_top = f->output_data.x->top_pos; | |
c0a04927 RS |
11571 | |
11572 | /* This must come after we set COUNT. */ | |
11573 | UNBLOCK_INPUT; | |
11574 | ||
2745e6c4 | 11575 | /* We unblock here so that arriving X events are processed. */ |
1aa6072f | 11576 | |
dcb07ae9 RS |
11577 | /* Now move the window back to where it was "supposed to be". |
11578 | But don't do it if the gravity is negative. | |
11579 | When the gravity is negative, this uses a position | |
28c01ffe RS |
11580 | that is 3 pixels too low. Perhaps that's really the border width. |
11581 | ||
11582 | Don't do this if the window has never been visible before, | |
11583 | because the window manager may choose the position | |
11584 | and we don't want to override it. */ | |
1aa6072f | 11585 | |
4d3f5d9a | 11586 | if (! FRAME_VISIBLE_P (f) && ! FRAME_ICONIFIED_P (f) |
06c488fd | 11587 | && f->output_data.x->win_gravity == NorthWestGravity |
28c01ffe | 11588 | && previously_visible) |
1aa6072f | 11589 | { |
2745e6c4 RS |
11590 | Drawable rootw; |
11591 | int x, y; | |
11592 | unsigned int width, height, border, depth; | |
06a2c219 | 11593 | |
1aa6072f | 11594 | BLOCK_INPUT; |
9829ddba | 11595 | |
06a2c219 GM |
11596 | /* On some window managers (such as FVWM) moving an existing |
11597 | window, even to the same place, causes the window manager | |
11598 | to introduce an offset. This can cause the window to move | |
11599 | to an unexpected location. Check the geometry (a little | |
11600 | slow here) and then verify that the window is in the right | |
11601 | place. If the window is not in the right place, move it | |
11602 | there, and take the potential window manager hit. */ | |
2745e6c4 RS |
11603 | XGetGeometry (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), |
11604 | &rootw, &x, &y, &width, &height, &border, &depth); | |
11605 | ||
11606 | if (original_left != x || original_top != y) | |
11607 | XMoveWindow (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), | |
11608 | original_left, original_top); | |
11609 | ||
1aa6072f RS |
11610 | UNBLOCK_INPUT; |
11611 | } | |
9829ddba | 11612 | |
e0c1aef2 | 11613 | XSETFRAME (frame, f); |
c0a04927 | 11614 | |
12ce2351 GM |
11615 | /* Wait until the frame is visible. Process X events until a |
11616 | MapNotify event has been seen, or until we think we won't get a | |
11617 | MapNotify at all.. */ | |
11618 | for (count = input_signal_count + 10; | |
11619 | input_signal_count < count && !FRAME_VISIBLE_P (f);) | |
2a6cf806 | 11620 | { |
12ce2351 | 11621 | /* Force processing of queued events. */ |
334208b7 | 11622 | x_sync (f); |
12ce2351 GM |
11623 | |
11624 | /* Machines that do polling rather than SIGIO have been | |
11625 | observed to go into a busy-wait here. So we'll fake an | |
11626 | alarm signal to let the handler know that there's something | |
11627 | to be read. We used to raise a real alarm, but it seems | |
11628 | that the handler isn't always enabled here. This is | |
11629 | probably a bug. */ | |
8b2f8d4e | 11630 | if (input_polling_used ()) |
3b2fa4e6 | 11631 | { |
12ce2351 GM |
11632 | /* It could be confusing if a real alarm arrives while |
11633 | processing the fake one. Turn it off and let the | |
11634 | handler reset it. */ | |
bffcfca9 GM |
11635 | int old_poll_suppress_count = poll_suppress_count; |
11636 | poll_suppress_count = 1; | |
11637 | poll_for_input_1 (); | |
11638 | poll_suppress_count = old_poll_suppress_count; | |
3b2fa4e6 | 11639 | } |
12ce2351 GM |
11640 | |
11641 | /* See if a MapNotify event has been processed. */ | |
11642 | FRAME_SAMPLE_VISIBILITY (f); | |
2a6cf806 | 11643 | } |
0dacf791 | 11644 | } |
dc6f92b8 JB |
11645 | } |
11646 | ||
06a2c219 | 11647 | /* Change from mapped state to withdrawn state. */ |
dc6f92b8 | 11648 | |
d047c4eb KH |
11649 | /* Make the frame visible (mapped and not iconified). */ |
11650 | ||
dfcf069d | 11651 | void |
f676886a JB |
11652 | x_make_frame_invisible (f) |
11653 | struct frame *f; | |
dc6f92b8 | 11654 | { |
546e6d5b RS |
11655 | Window window; |
11656 | ||
11657 | #ifdef USE_X_TOOLKIT | |
11658 | /* Use the frame's outermost window, not the one we normally draw on. */ | |
7556890b | 11659 | window = XtWindow (f->output_data.x->widget); |
546e6d5b RS |
11660 | #else /* not USE_X_TOOLKIT */ |
11661 | window = FRAME_X_WINDOW (f); | |
11662 | #endif /* not USE_X_TOOLKIT */ | |
dc6f92b8 | 11663 | |
9319ae23 | 11664 | /* Don't keep the highlight on an invisible frame. */ |
0f941935 KH |
11665 | if (FRAME_X_DISPLAY_INFO (f)->x_highlight_frame == f) |
11666 | FRAME_X_DISPLAY_INFO (f)->x_highlight_frame = 0; | |
9319ae23 | 11667 | |
5627c40e | 11668 | #if 0/* This might add unreliability; I don't trust it -- rms. */ |
9319ae23 | 11669 | if (! f->async_visible && ! f->async_iconified) |
dc6f92b8 | 11670 | return; |
5627c40e | 11671 | #endif |
dc6f92b8 JB |
11672 | |
11673 | BLOCK_INPUT; | |
c118dd06 | 11674 | |
af31d76f RS |
11675 | /* Before unmapping the window, update the WM_SIZE_HINTS property to claim |
11676 | that the current position of the window is user-specified, rather than | |
11677 | program-specified, so that when the window is mapped again, it will be | |
11678 | placed at the same location, without forcing the user to position it | |
11679 | by hand again (they have already done that once for this window.) */ | |
c32cdd9a | 11680 | x_wm_set_size_hint (f, (long) 0, 1); |
af31d76f | 11681 | |
c118dd06 JB |
11682 | #ifdef HAVE_X11R4 |
11683 | ||
334208b7 RS |
11684 | if (! XWithdrawWindow (FRAME_X_DISPLAY (f), window, |
11685 | DefaultScreen (FRAME_X_DISPLAY (f)))) | |
c118dd06 JB |
11686 | { |
11687 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 11688 | error ("Can't notify window manager of window withdrawal"); |
c118dd06 | 11689 | } |
c118dd06 | 11690 | #else /* ! defined (HAVE_X11R4) */ |
16bd92ea | 11691 | |
c118dd06 | 11692 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
11693 | if (! EQ (Vx_no_window_manager, Qt)) |
11694 | { | |
16bd92ea | 11695 | XEvent unmap; |
dc6f92b8 | 11696 | |
16bd92ea | 11697 | unmap.xunmap.type = UnmapNotify; |
546e6d5b | 11698 | unmap.xunmap.window = window; |
334208b7 | 11699 | unmap.xunmap.event = DefaultRootWindow (FRAME_X_DISPLAY (f)); |
16bd92ea | 11700 | unmap.xunmap.from_configure = False; |
334208b7 RS |
11701 | if (! XSendEvent (FRAME_X_DISPLAY (f), |
11702 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
16bd92ea | 11703 | False, |
06a2c219 | 11704 | SubstructureRedirectMaskSubstructureNotifyMask, |
16bd92ea JB |
11705 | &unmap)) |
11706 | { | |
11707 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 11708 | error ("Can't notify window manager of withdrawal"); |
16bd92ea | 11709 | } |
dc6f92b8 JB |
11710 | } |
11711 | ||
16bd92ea | 11712 | /* Unmap the window ourselves. Cheeky! */ |
334208b7 | 11713 | XUnmapWindow (FRAME_X_DISPLAY (f), window); |
c118dd06 | 11714 | #endif /* ! defined (HAVE_X11R4) */ |
dc6f92b8 | 11715 | |
5627c40e RS |
11716 | /* We can't distinguish this from iconification |
11717 | just by the event that we get from the server. | |
11718 | So we can't win using the usual strategy of letting | |
11719 | FRAME_SAMPLE_VISIBILITY set this. So do it by hand, | |
11720 | and synchronize with the server to make sure we agree. */ | |
11721 | f->visible = 0; | |
11722 | FRAME_ICONIFIED_P (f) = 0; | |
11723 | f->async_visible = 0; | |
11724 | f->async_iconified = 0; | |
11725 | ||
334208b7 | 11726 | x_sync (f); |
5627c40e | 11727 | |
dc6f92b8 JB |
11728 | UNBLOCK_INPUT; |
11729 | } | |
11730 | ||
06a2c219 | 11731 | /* Change window state from mapped to iconified. */ |
dc6f92b8 | 11732 | |
dfcf069d | 11733 | void |
f676886a JB |
11734 | x_iconify_frame (f) |
11735 | struct frame *f; | |
dc6f92b8 | 11736 | { |
3afe33e7 | 11737 | int result; |
990ba854 | 11738 | Lisp_Object type; |
dc6f92b8 | 11739 | |
9319ae23 | 11740 | /* Don't keep the highlight on an invisible frame. */ |
0f941935 KH |
11741 | if (FRAME_X_DISPLAY_INFO (f)->x_highlight_frame == f) |
11742 | FRAME_X_DISPLAY_INFO (f)->x_highlight_frame = 0; | |
9319ae23 | 11743 | |
3a88c238 | 11744 | if (f->async_iconified) |
dc6f92b8 JB |
11745 | return; |
11746 | ||
3afe33e7 | 11747 | BLOCK_INPUT; |
546e6d5b | 11748 | |
9af3143a RS |
11749 | FRAME_SAMPLE_VISIBILITY (f); |
11750 | ||
990ba854 RS |
11751 | type = x_icon_type (f); |
11752 | if (!NILP (type)) | |
11753 | x_bitmap_icon (f, type); | |
bdcd49ba RS |
11754 | |
11755 | #ifdef USE_X_TOOLKIT | |
11756 | ||
546e6d5b RS |
11757 | if (! FRAME_VISIBLE_P (f)) |
11758 | { | |
11759 | if (! EQ (Vx_no_window_manager, Qt)) | |
11760 | x_wm_set_window_state (f, IconicState); | |
11761 | /* This was XtPopup, but that did nothing for an iconified frame. */ | |
7556890b | 11762 | XtMapWidget (f->output_data.x->widget); |
9cf30a30 RS |
11763 | /* The server won't give us any event to indicate |
11764 | that an invisible frame was changed to an icon, | |
11765 | so we have to record it here. */ | |
11766 | f->iconified = 1; | |
1e6bc770 | 11767 | f->visible = 1; |
9cf30a30 | 11768 | f->async_iconified = 1; |
1e6bc770 | 11769 | f->async_visible = 0; |
546e6d5b RS |
11770 | UNBLOCK_INPUT; |
11771 | return; | |
11772 | } | |
11773 | ||
334208b7 | 11774 | result = XIconifyWindow (FRAME_X_DISPLAY (f), |
7556890b | 11775 | XtWindow (f->output_data.x->widget), |
334208b7 | 11776 | DefaultScreen (FRAME_X_DISPLAY (f))); |
3afe33e7 RS |
11777 | UNBLOCK_INPUT; |
11778 | ||
11779 | if (!result) | |
546e6d5b | 11780 | error ("Can't notify window manager of iconification"); |
3afe33e7 RS |
11781 | |
11782 | f->async_iconified = 1; | |
1e6bc770 RS |
11783 | f->async_visible = 0; |
11784 | ||
8c002a25 KH |
11785 | |
11786 | BLOCK_INPUT; | |
334208b7 | 11787 | XFlush (FRAME_X_DISPLAY (f)); |
8c002a25 | 11788 | UNBLOCK_INPUT; |
3afe33e7 RS |
11789 | #else /* not USE_X_TOOLKIT */ |
11790 | ||
fd13dbb2 RS |
11791 | /* Make sure the X server knows where the window should be positioned, |
11792 | in case the user deiconifies with the window manager. */ | |
11793 | if (! FRAME_VISIBLE_P (f) && !FRAME_ICONIFIED_P (f)) | |
7556890b | 11794 | x_set_offset (f, f->output_data.x->left_pos, f->output_data.x->top_pos, 0); |
fd13dbb2 | 11795 | |
16bd92ea JB |
11796 | /* Since we don't know which revision of X we're running, we'll use both |
11797 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
11798 | ||
11799 | /* X11R4: send a ClientMessage to the window manager using the | |
11800 | WM_CHANGE_STATE type. */ | |
11801 | { | |
11802 | XEvent message; | |
58769bee | 11803 | |
c118dd06 | 11804 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea | 11805 | message.xclient.type = ClientMessage; |
334208b7 | 11806 | message.xclient.message_type = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_change_state; |
16bd92ea JB |
11807 | message.xclient.format = 32; |
11808 | message.xclient.data.l[0] = IconicState; | |
11809 | ||
334208b7 RS |
11810 | if (! XSendEvent (FRAME_X_DISPLAY (f), |
11811 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
16bd92ea JB |
11812 | False, |
11813 | SubstructureRedirectMask | SubstructureNotifyMask, | |
11814 | &message)) | |
dc6f92b8 JB |
11815 | { |
11816 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 11817 | error ("Can't notify window manager of iconification"); |
dc6f92b8 | 11818 | } |
16bd92ea | 11819 | } |
dc6f92b8 | 11820 | |
58769bee | 11821 | /* X11R3: set the initial_state field of the window manager hints to |
16bd92ea JB |
11822 | IconicState. */ |
11823 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 11824 | |
a9c00105 RS |
11825 | if (!FRAME_VISIBLE_P (f)) |
11826 | { | |
11827 | /* If the frame was withdrawn, before, we must map it. */ | |
7f9c7f94 | 11828 | XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
a9c00105 RS |
11829 | } |
11830 | ||
3a88c238 | 11831 | f->async_iconified = 1; |
1e6bc770 | 11832 | f->async_visible = 0; |
dc6f92b8 | 11833 | |
334208b7 | 11834 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 11835 | UNBLOCK_INPUT; |
8c002a25 | 11836 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 11837 | } |
d047c4eb | 11838 | \f |
c0ff3fab | 11839 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 11840 | |
dfcf069d | 11841 | void |
c0ff3fab | 11842 | x_destroy_window (f) |
f676886a | 11843 | struct frame *f; |
dc6f92b8 | 11844 | { |
7f9c7f94 RS |
11845 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
11846 | ||
dc6f92b8 | 11847 | BLOCK_INPUT; |
c0ff3fab | 11848 | |
6186a4a0 RS |
11849 | /* If a display connection is dead, don't try sending more |
11850 | commands to the X server. */ | |
11851 | if (dpyinfo->display != 0) | |
11852 | { | |
11853 | if (f->output_data.x->icon_desc != 0) | |
11854 | XDestroyWindow (FRAME_X_DISPLAY (f), f->output_data.x->icon_desc); | |
31f41daf | 11855 | #ifdef HAVE_X_I18N |
f5d11644 GM |
11856 | if (FRAME_XIC (f)) |
11857 | free_frame_xic (f); | |
31f41daf | 11858 | #endif |
6186a4a0 | 11859 | XDestroyWindow (FRAME_X_DISPLAY (f), f->output_data.x->window_desc); |
3afe33e7 | 11860 | #ifdef USE_X_TOOLKIT |
06a2c219 GM |
11861 | if (f->output_data.x->widget) |
11862 | XtDestroyWidget (f->output_data.x->widget); | |
6186a4a0 | 11863 | free_frame_menubar (f); |
3afe33e7 RS |
11864 | #endif /* USE_X_TOOLKIT */ |
11865 | ||
6186a4a0 RS |
11866 | free_frame_faces (f); |
11867 | XFlush (FRAME_X_DISPLAY (f)); | |
11868 | } | |
dc6f92b8 | 11869 | |
df89d8a4 | 11870 | if (f->output_data.x->saved_menu_event) |
06a2c219 | 11871 | xfree (f->output_data.x->saved_menu_event); |
0c49ce2f | 11872 | |
7556890b RS |
11873 | xfree (f->output_data.x); |
11874 | f->output_data.x = 0; | |
0f941935 KH |
11875 | if (f == dpyinfo->x_focus_frame) |
11876 | dpyinfo->x_focus_frame = 0; | |
11877 | if (f == dpyinfo->x_focus_event_frame) | |
11878 | dpyinfo->x_focus_event_frame = 0; | |
11879 | if (f == dpyinfo->x_highlight_frame) | |
11880 | dpyinfo->x_highlight_frame = 0; | |
c0ff3fab | 11881 | |
7f9c7f94 RS |
11882 | dpyinfo->reference_count--; |
11883 | ||
11884 | if (f == dpyinfo->mouse_face_mouse_frame) | |
dc05a16b | 11885 | { |
7f9c7f94 RS |
11886 | dpyinfo->mouse_face_beg_row |
11887 | = dpyinfo->mouse_face_beg_col = -1; | |
11888 | dpyinfo->mouse_face_end_row | |
11889 | = dpyinfo->mouse_face_end_col = -1; | |
11890 | dpyinfo->mouse_face_window = Qnil; | |
21323706 RS |
11891 | dpyinfo->mouse_face_deferred_gc = 0; |
11892 | dpyinfo->mouse_face_mouse_frame = 0; | |
dc05a16b | 11893 | } |
0134a210 | 11894 | |
c0ff3fab | 11895 | UNBLOCK_INPUT; |
dc6f92b8 JB |
11896 | } |
11897 | \f | |
f451eb13 JB |
11898 | /* Setting window manager hints. */ |
11899 | ||
af31d76f RS |
11900 | /* Set the normal size hints for the window manager, for frame F. |
11901 | FLAGS is the flags word to use--or 0 meaning preserve the flags | |
11902 | that the window now has. | |
11903 | If USER_POSITION is nonzero, we set the USPosition | |
11904 | flag (this is useful when FLAGS is 0). */ | |
6dba1858 | 11905 | |
dfcf069d | 11906 | void |
af31d76f | 11907 | x_wm_set_size_hint (f, flags, user_position) |
f676886a | 11908 | struct frame *f; |
af31d76f RS |
11909 | long flags; |
11910 | int user_position; | |
dc6f92b8 JB |
11911 | { |
11912 | XSizeHints size_hints; | |
3afe33e7 RS |
11913 | |
11914 | #ifdef USE_X_TOOLKIT | |
7e4f2521 FP |
11915 | Arg al[2]; |
11916 | int ac = 0; | |
11917 | Dimension widget_width, widget_height; | |
7556890b | 11918 | Window window = XtWindow (f->output_data.x->widget); |
3afe33e7 | 11919 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 11920 | Window window = FRAME_X_WINDOW (f); |
3afe33e7 | 11921 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 11922 | |
b72a58fd RS |
11923 | /* Setting PMaxSize caused various problems. */ |
11924 | size_hints.flags = PResizeInc | PMinSize /* | PMaxSize */; | |
dc6f92b8 | 11925 | |
7556890b RS |
11926 | size_hints.x = f->output_data.x->left_pos; |
11927 | size_hints.y = f->output_data.x->top_pos; | |
7553a6b7 | 11928 | |
7e4f2521 FP |
11929 | #ifdef USE_X_TOOLKIT |
11930 | XtSetArg (al[ac], XtNwidth, &widget_width); ac++; | |
11931 | XtSetArg (al[ac], XtNheight, &widget_height); ac++; | |
7556890b | 11932 | XtGetValues (f->output_data.x->widget, al, ac); |
7e4f2521 FP |
11933 | size_hints.height = widget_height; |
11934 | size_hints.width = widget_width; | |
11935 | #else /* not USE_X_TOOLKIT */ | |
f676886a JB |
11936 | size_hints.height = PIXEL_HEIGHT (f); |
11937 | size_hints.width = PIXEL_WIDTH (f); | |
7e4f2521 | 11938 | #endif /* not USE_X_TOOLKIT */ |
7553a6b7 | 11939 | |
7556890b RS |
11940 | size_hints.width_inc = FONT_WIDTH (f->output_data.x->font); |
11941 | size_hints.height_inc = f->output_data.x->line_height; | |
334208b7 RS |
11942 | size_hints.max_width |
11943 | = FRAME_X_DISPLAY_INFO (f)->width - CHAR_TO_PIXEL_WIDTH (f, 0); | |
11944 | size_hints.max_height | |
11945 | = FRAME_X_DISPLAY_INFO (f)->height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
0134a210 | 11946 | |
d067ea8b KH |
11947 | /* Calculate the base and minimum sizes. |
11948 | ||
11949 | (When we use the X toolkit, we don't do it here. | |
11950 | Instead we copy the values that the widgets are using, below.) */ | |
11951 | #ifndef USE_X_TOOLKIT | |
b1c884c3 | 11952 | { |
b0342f17 | 11953 | int base_width, base_height; |
0134a210 | 11954 | int min_rows = 0, min_cols = 0; |
b0342f17 | 11955 | |
f451eb13 JB |
11956 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
11957 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 | 11958 | |
0134a210 | 11959 | check_frame_size (f, &min_rows, &min_cols); |
b0342f17 | 11960 | |
0134a210 RS |
11961 | /* The window manager uses the base width hints to calculate the |
11962 | current number of rows and columns in the frame while | |
11963 | resizing; min_width and min_height aren't useful for this | |
11964 | purpose, since they might not give the dimensions for a | |
11965 | zero-row, zero-column frame. | |
58769bee | 11966 | |
0134a210 RS |
11967 | We use the base_width and base_height members if we have |
11968 | them; otherwise, we set the min_width and min_height members | |
11969 | to the size for a zero x zero frame. */ | |
b0342f17 JB |
11970 | |
11971 | #ifdef HAVE_X11R4 | |
0134a210 RS |
11972 | size_hints.flags |= PBaseSize; |
11973 | size_hints.base_width = base_width; | |
11974 | size_hints.base_height = base_height; | |
11975 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
11976 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
b0342f17 | 11977 | #else |
0134a210 RS |
11978 | size_hints.min_width = base_width; |
11979 | size_hints.min_height = base_height; | |
b0342f17 | 11980 | #endif |
b1c884c3 | 11981 | } |
dc6f92b8 | 11982 | |
d067ea8b | 11983 | /* If we don't need the old flags, we don't need the old hint at all. */ |
af31d76f | 11984 | if (flags) |
dc6f92b8 | 11985 | { |
d067ea8b KH |
11986 | size_hints.flags |= flags; |
11987 | goto no_read; | |
11988 | } | |
11989 | #endif /* not USE_X_TOOLKIT */ | |
11990 | ||
11991 | { | |
11992 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
11993 | long supplied_return; | |
11994 | int value; | |
af31d76f RS |
11995 | |
11996 | #ifdef HAVE_X11R4 | |
d067ea8b KH |
11997 | value = XGetWMNormalHints (FRAME_X_DISPLAY (f), window, &hints, |
11998 | &supplied_return); | |
af31d76f | 11999 | #else |
d067ea8b | 12000 | value = XGetNormalHints (FRAME_X_DISPLAY (f), window, &hints); |
af31d76f | 12001 | #endif |
58769bee | 12002 | |
d067ea8b KH |
12003 | #ifdef USE_X_TOOLKIT |
12004 | size_hints.base_height = hints.base_height; | |
12005 | size_hints.base_width = hints.base_width; | |
12006 | size_hints.min_height = hints.min_height; | |
12007 | size_hints.min_width = hints.min_width; | |
12008 | #endif | |
12009 | ||
12010 | if (flags) | |
12011 | size_hints.flags |= flags; | |
12012 | else | |
12013 | { | |
12014 | if (value == 0) | |
12015 | hints.flags = 0; | |
12016 | if (hints.flags & PSize) | |
12017 | size_hints.flags |= PSize; | |
12018 | if (hints.flags & PPosition) | |
12019 | size_hints.flags |= PPosition; | |
12020 | if (hints.flags & USPosition) | |
12021 | size_hints.flags |= USPosition; | |
12022 | if (hints.flags & USSize) | |
12023 | size_hints.flags |= USSize; | |
12024 | } | |
12025 | } | |
12026 | ||
06a2c219 | 12027 | #ifndef USE_X_TOOLKIT |
d067ea8b | 12028 | no_read: |
06a2c219 | 12029 | #endif |
0134a210 | 12030 | |
af31d76f | 12031 | #ifdef PWinGravity |
7556890b | 12032 | size_hints.win_gravity = f->output_data.x->win_gravity; |
af31d76f | 12033 | size_hints.flags |= PWinGravity; |
dc05a16b | 12034 | |
af31d76f | 12035 | if (user_position) |
6dba1858 | 12036 | { |
af31d76f RS |
12037 | size_hints.flags &= ~ PPosition; |
12038 | size_hints.flags |= USPosition; | |
6dba1858 | 12039 | } |
2554751d | 12040 | #endif /* PWinGravity */ |
6dba1858 | 12041 | |
b0342f17 | 12042 | #ifdef HAVE_X11R4 |
334208b7 | 12043 | XSetWMNormalHints (FRAME_X_DISPLAY (f), window, &size_hints); |
b0342f17 | 12044 | #else |
334208b7 | 12045 | XSetNormalHints (FRAME_X_DISPLAY (f), window, &size_hints); |
b0342f17 | 12046 | #endif |
dc6f92b8 JB |
12047 | } |
12048 | ||
12049 | /* Used for IconicState or NormalState */ | |
06a2c219 | 12050 | |
dfcf069d | 12051 | void |
f676886a JB |
12052 | x_wm_set_window_state (f, state) |
12053 | struct frame *f; | |
dc6f92b8 JB |
12054 | int state; |
12055 | { | |
3afe33e7 | 12056 | #ifdef USE_X_TOOLKIT |
546e6d5b RS |
12057 | Arg al[1]; |
12058 | ||
12059 | XtSetArg (al[0], XtNinitialState, state); | |
7556890b | 12060 | XtSetValues (f->output_data.x->widget, al, 1); |
3afe33e7 | 12061 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 12062 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 12063 | |
7556890b RS |
12064 | f->output_data.x->wm_hints.flags |= StateHint; |
12065 | f->output_data.x->wm_hints.initial_state = state; | |
b1c884c3 | 12066 | |
7556890b | 12067 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->output_data.x->wm_hints); |
546e6d5b | 12068 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
12069 | } |
12070 | ||
dfcf069d | 12071 | void |
7f2ae036 | 12072 | x_wm_set_icon_pixmap (f, pixmap_id) |
f676886a | 12073 | struct frame *f; |
7f2ae036 | 12074 | int pixmap_id; |
dc6f92b8 | 12075 | { |
d2bd6bc4 RS |
12076 | Pixmap icon_pixmap; |
12077 | ||
06a2c219 | 12078 | #ifndef USE_X_TOOLKIT |
c118dd06 | 12079 | Window window = FRAME_X_WINDOW (f); |
75231bad | 12080 | #endif |
dc6f92b8 | 12081 | |
7f2ae036 | 12082 | if (pixmap_id > 0) |
dbc4e1c1 | 12083 | { |
d2bd6bc4 | 12084 | icon_pixmap = x_bitmap_pixmap (f, pixmap_id); |
7556890b | 12085 | f->output_data.x->wm_hints.icon_pixmap = icon_pixmap; |
dbc4e1c1 JB |
12086 | } |
12087 | else | |
68568555 RS |
12088 | { |
12089 | /* It seems there is no way to turn off use of an icon pixmap. | |
12090 | The following line does it, only if no icon has yet been created, | |
12091 | for some window managers. But with mwm it crashes. | |
12092 | Some people say it should clear the IconPixmapHint bit in this case, | |
12093 | but that doesn't work, and the X consortium said it isn't the | |
12094 | right thing at all. Since there is no way to win, | |
12095 | best to explicitly give up. */ | |
12096 | #if 0 | |
12097 | f->output_data.x->wm_hints.icon_pixmap = None; | |
12098 | #else | |
12099 | return; | |
12100 | #endif | |
12101 | } | |
b1c884c3 | 12102 | |
d2bd6bc4 RS |
12103 | #ifdef USE_X_TOOLKIT /* same as in x_wm_set_window_state. */ |
12104 | ||
12105 | { | |
12106 | Arg al[1]; | |
12107 | XtSetArg (al[0], XtNiconPixmap, icon_pixmap); | |
12108 | XtSetValues (f->output_data.x->widget, al, 1); | |
12109 | } | |
12110 | ||
12111 | #else /* not USE_X_TOOLKIT */ | |
12112 | ||
7556890b RS |
12113 | f->output_data.x->wm_hints.flags |= IconPixmapHint; |
12114 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->output_data.x->wm_hints); | |
d2bd6bc4 RS |
12115 | |
12116 | #endif /* not USE_X_TOOLKIT */ | |
dc6f92b8 JB |
12117 | } |
12118 | ||
dfcf069d | 12119 | void |
f676886a JB |
12120 | x_wm_set_icon_position (f, icon_x, icon_y) |
12121 | struct frame *f; | |
dc6f92b8 JB |
12122 | int icon_x, icon_y; |
12123 | { | |
75231bad | 12124 | #ifdef USE_X_TOOLKIT |
7556890b | 12125 | Window window = XtWindow (f->output_data.x->widget); |
75231bad | 12126 | #else |
c118dd06 | 12127 | Window window = FRAME_X_WINDOW (f); |
75231bad | 12128 | #endif |
dc6f92b8 | 12129 | |
7556890b RS |
12130 | f->output_data.x->wm_hints.flags |= IconPositionHint; |
12131 | f->output_data.x->wm_hints.icon_x = icon_x; | |
12132 | f->output_data.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 12133 | |
7556890b | 12134 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->output_data.x->wm_hints); |
dc6f92b8 JB |
12135 | } |
12136 | ||
12137 | \f | |
06a2c219 GM |
12138 | /*********************************************************************** |
12139 | Fonts | |
12140 | ***********************************************************************/ | |
dc43ef94 KH |
12141 | |
12142 | /* Return a pointer to struct font_info of font FONT_IDX of frame F. */ | |
06a2c219 | 12143 | |
dc43ef94 KH |
12144 | struct font_info * |
12145 | x_get_font_info (f, font_idx) | |
12146 | FRAME_PTR f; | |
12147 | int font_idx; | |
12148 | { | |
12149 | return (FRAME_X_FONT_TABLE (f) + font_idx); | |
12150 | } | |
12151 | ||
12152 | ||
12153 | /* Return a list of names of available fonts matching PATTERN on frame | |
12154 | F. If SIZE is not 0, it is the size (maximum bound width) of fonts | |
12155 | to be listed. Frame F NULL means we have not yet created any | |
12156 | frame on X, and consult the first display in x_display_list. | |
12157 | MAXNAMES sets a limit on how many fonts to match. */ | |
12158 | ||
12159 | Lisp_Object | |
12160 | x_list_fonts (f, pattern, size, maxnames) | |
12161 | FRAME_PTR f; | |
12162 | Lisp_Object pattern; | |
12163 | int size; | |
12164 | int maxnames; | |
12165 | { | |
06a2c219 GM |
12166 | Lisp_Object list = Qnil, patterns, newlist = Qnil, key = Qnil; |
12167 | Lisp_Object tem, second_best; | |
dc43ef94 | 12168 | Display *dpy = f != NULL ? FRAME_X_DISPLAY (f) : x_display_list->display; |
09c6077f | 12169 | int try_XLoadQueryFont = 0; |
53ca4657 | 12170 | int count; |
dc43ef94 | 12171 | |
6b0efe73 | 12172 | patterns = Fassoc (pattern, Valternate_fontname_alist); |
2da424f1 KH |
12173 | if (NILP (patterns)) |
12174 | patterns = Fcons (pattern, Qnil); | |
81ba44e5 | 12175 | |
09c6077f KH |
12176 | if (maxnames == 1 && !size) |
12177 | /* We can return any single font matching PATTERN. */ | |
12178 | try_XLoadQueryFont = 1; | |
9a32686f | 12179 | |
8e713be6 | 12180 | for (; CONSP (patterns); patterns = XCDR (patterns)) |
dc43ef94 | 12181 | { |
dc43ef94 KH |
12182 | int num_fonts; |
12183 | char **names; | |
12184 | ||
8e713be6 | 12185 | pattern = XCAR (patterns); |
536f4067 RS |
12186 | /* See if we cached the result for this particular query. |
12187 | The cache is an alist of the form: | |
12188 | (((PATTERN . MAXNAMES) (FONTNAME . WIDTH) ...) ...) | |
12189 | */ | |
8e713be6 | 12190 | if (f && (tem = XCDR (FRAME_X_DISPLAY_INFO (f)->name_list_element), |
b5210ea7 KH |
12191 | key = Fcons (pattern, make_number (maxnames)), |
12192 | !NILP (list = Fassoc (key, tem)))) | |
12193 | { | |
12194 | list = Fcdr_safe (list); | |
12195 | /* We have a cashed list. Don't have to get the list again. */ | |
12196 | goto label_cached; | |
12197 | } | |
12198 | ||
12199 | /* At first, put PATTERN in the cache. */ | |
09c6077f | 12200 | |
dc43ef94 | 12201 | BLOCK_INPUT; |
17d85edc KH |
12202 | count = x_catch_errors (dpy); |
12203 | ||
09c6077f KH |
12204 | if (try_XLoadQueryFont) |
12205 | { | |
12206 | XFontStruct *font; | |
12207 | unsigned long value; | |
12208 | ||
12209 | font = XLoadQueryFont (dpy, XSTRING (pattern)->data); | |
17d85edc KH |
12210 | if (x_had_errors_p (dpy)) |
12211 | { | |
12212 | /* This error is perhaps due to insufficient memory on X | |
12213 | server. Let's just ignore it. */ | |
12214 | font = NULL; | |
12215 | x_clear_errors (dpy); | |
12216 | } | |
12217 | ||
09c6077f KH |
12218 | if (font |
12219 | && XGetFontProperty (font, XA_FONT, &value)) | |
12220 | { | |
12221 | char *name = (char *) XGetAtomName (dpy, (Atom) value); | |
12222 | int len = strlen (name); | |
01c752b5 | 12223 | char *tmp; |
09c6077f | 12224 | |
6f6512e8 KH |
12225 | /* If DXPC (a Differential X Protocol Compressor) |
12226 | Ver.3.7 is running, XGetAtomName will return null | |
12227 | string. We must avoid such a name. */ | |
12228 | if (len == 0) | |
12229 | try_XLoadQueryFont = 0; | |
12230 | else | |
12231 | { | |
12232 | num_fonts = 1; | |
12233 | names = (char **) alloca (sizeof (char *)); | |
12234 | /* Some systems only allow alloca assigned to a | |
12235 | simple var. */ | |
12236 | tmp = (char *) alloca (len + 1); names[0] = tmp; | |
12237 | bcopy (name, names[0], len + 1); | |
12238 | XFree (name); | |
12239 | } | |
09c6077f KH |
12240 | } |
12241 | else | |
12242 | try_XLoadQueryFont = 0; | |
a083fd23 RS |
12243 | |
12244 | if (font) | |
12245 | XFreeFont (dpy, font); | |
09c6077f KH |
12246 | } |
12247 | ||
12248 | if (!try_XLoadQueryFont) | |
17d85edc KH |
12249 | { |
12250 | /* We try at least 10 fonts because XListFonts will return | |
12251 | auto-scaled fonts at the head. */ | |
12252 | names = XListFonts (dpy, XSTRING (pattern)->data, max (maxnames, 10), | |
12253 | &num_fonts); | |
12254 | if (x_had_errors_p (dpy)) | |
12255 | { | |
12256 | /* This error is perhaps due to insufficient memory on X | |
12257 | server. Let's just ignore it. */ | |
12258 | names = NULL; | |
12259 | x_clear_errors (dpy); | |
12260 | } | |
12261 | } | |
12262 | ||
12263 | x_uncatch_errors (dpy, count); | |
dc43ef94 KH |
12264 | UNBLOCK_INPUT; |
12265 | ||
12266 | if (names) | |
12267 | { | |
12268 | int i; | |
dc43ef94 KH |
12269 | |
12270 | /* Make a list of all the fonts we got back. | |
12271 | Store that in the font cache for the display. */ | |
12272 | for (i = 0; i < num_fonts; i++) | |
12273 | { | |
06a2c219 | 12274 | int width = 0; |
dc43ef94 | 12275 | char *p = names[i]; |
06a2c219 GM |
12276 | int average_width = -1, dashes = 0; |
12277 | ||
dc43ef94 | 12278 | /* Count the number of dashes in NAMES[I]. If there are |
b5210ea7 KH |
12279 | 14 dashes, and the field value following 12th dash |
12280 | (AVERAGE_WIDTH) is 0, this is a auto-scaled font which | |
12281 | is usually too ugly to be used for editing. Let's | |
12282 | ignore it. */ | |
dc43ef94 KH |
12283 | while (*p) |
12284 | if (*p++ == '-') | |
12285 | { | |
12286 | dashes++; | |
12287 | if (dashes == 7) /* PIXEL_SIZE field */ | |
12288 | width = atoi (p); | |
12289 | else if (dashes == 12) /* AVERAGE_WIDTH field */ | |
12290 | average_width = atoi (p); | |
12291 | } | |
12292 | if (dashes < 14 || average_width != 0) | |
12293 | { | |
12294 | tem = build_string (names[i]); | |
12295 | if (NILP (Fassoc (tem, list))) | |
12296 | { | |
12297 | if (STRINGP (Vx_pixel_size_width_font_regexp) | |
f39db7ea RS |
12298 | && ((fast_c_string_match_ignore_case |
12299 | (Vx_pixel_size_width_font_regexp, names[i])) | |
dc43ef94 KH |
12300 | >= 0)) |
12301 | /* We can set the value of PIXEL_SIZE to the | |
b5210ea7 | 12302 | width of this font. */ |
dc43ef94 KH |
12303 | list = Fcons (Fcons (tem, make_number (width)), list); |
12304 | else | |
12305 | /* For the moment, width is not known. */ | |
12306 | list = Fcons (Fcons (tem, Qnil), list); | |
12307 | } | |
12308 | } | |
12309 | } | |
09c6077f KH |
12310 | if (!try_XLoadQueryFont) |
12311 | XFreeFontNames (names); | |
dc43ef94 KH |
12312 | } |
12313 | ||
b5210ea7 | 12314 | /* Now store the result in the cache. */ |
dc43ef94 | 12315 | if (f != NULL) |
8e713be6 | 12316 | XCDR (FRAME_X_DISPLAY_INFO (f)->name_list_element) |
dc43ef94 | 12317 | = Fcons (Fcons (key, list), |
8e713be6 | 12318 | XCDR (FRAME_X_DISPLAY_INFO (f)->name_list_element)); |
dc43ef94 | 12319 | |
b5210ea7 KH |
12320 | label_cached: |
12321 | if (NILP (list)) continue; /* Try the remaining alternatives. */ | |
dc43ef94 | 12322 | |
b5210ea7 KH |
12323 | newlist = second_best = Qnil; |
12324 | /* Make a list of the fonts that have the right width. */ | |
8e713be6 | 12325 | for (; CONSP (list); list = XCDR (list)) |
b5210ea7 | 12326 | { |
536f4067 RS |
12327 | int found_size; |
12328 | ||
8e713be6 | 12329 | tem = XCAR (list); |
dc43ef94 | 12330 | |
8e713be6 | 12331 | if (!CONSP (tem) || NILP (XCAR (tem))) |
b5210ea7 KH |
12332 | continue; |
12333 | if (!size) | |
12334 | { | |
8e713be6 | 12335 | newlist = Fcons (XCAR (tem), newlist); |
b5210ea7 KH |
12336 | continue; |
12337 | } | |
dc43ef94 | 12338 | |
8e713be6 | 12339 | if (!INTEGERP (XCDR (tem))) |
dc43ef94 | 12340 | { |
b5210ea7 KH |
12341 | /* Since we have not yet known the size of this font, we |
12342 | must try slow function call XLoadQueryFont. */ | |
dc43ef94 KH |
12343 | XFontStruct *thisinfo; |
12344 | ||
12345 | BLOCK_INPUT; | |
17d85edc | 12346 | count = x_catch_errors (dpy); |
dc43ef94 | 12347 | thisinfo = XLoadQueryFont (dpy, |
8e713be6 | 12348 | XSTRING (XCAR (tem))->data); |
17d85edc KH |
12349 | if (x_had_errors_p (dpy)) |
12350 | { | |
12351 | /* This error is perhaps due to insufficient memory on X | |
12352 | server. Let's just ignore it. */ | |
12353 | thisinfo = NULL; | |
12354 | x_clear_errors (dpy); | |
12355 | } | |
12356 | x_uncatch_errors (dpy, count); | |
dc43ef94 KH |
12357 | UNBLOCK_INPUT; |
12358 | ||
12359 | if (thisinfo) | |
12360 | { | |
8e713be6 | 12361 | XCDR (tem) |
536f4067 RS |
12362 | = (thisinfo->min_bounds.width == 0 |
12363 | ? make_number (0) | |
12364 | : make_number (thisinfo->max_bounds.width)); | |
dc43ef94 KH |
12365 | XFreeFont (dpy, thisinfo); |
12366 | } | |
12367 | else | |
b5210ea7 | 12368 | /* For unknown reason, the previous call of XListFont had |
06a2c219 | 12369 | returned a font which can't be opened. Record the size |
b5210ea7 | 12370 | as 0 not to try to open it again. */ |
8e713be6 | 12371 | XCDR (tem) = make_number (0); |
dc43ef94 | 12372 | } |
536f4067 | 12373 | |
8e713be6 | 12374 | found_size = XINT (XCDR (tem)); |
536f4067 | 12375 | if (found_size == size) |
8e713be6 | 12376 | newlist = Fcons (XCAR (tem), newlist); |
536f4067 | 12377 | else if (found_size > 0) |
b5210ea7 | 12378 | { |
536f4067 | 12379 | if (NILP (second_best)) |
b5210ea7 | 12380 | second_best = tem; |
536f4067 RS |
12381 | else if (found_size < size) |
12382 | { | |
8e713be6 KR |
12383 | if (XINT (XCDR (second_best)) > size |
12384 | || XINT (XCDR (second_best)) < found_size) | |
536f4067 RS |
12385 | second_best = tem; |
12386 | } | |
12387 | else | |
12388 | { | |
8e713be6 KR |
12389 | if (XINT (XCDR (second_best)) > size |
12390 | && XINT (XCDR (second_best)) > found_size) | |
536f4067 RS |
12391 | second_best = tem; |
12392 | } | |
b5210ea7 KH |
12393 | } |
12394 | } | |
12395 | if (!NILP (newlist)) | |
12396 | break; | |
12397 | else if (!NILP (second_best)) | |
12398 | { | |
8e713be6 | 12399 | newlist = Fcons (XCAR (second_best), Qnil); |
b5210ea7 | 12400 | break; |
dc43ef94 | 12401 | } |
dc43ef94 KH |
12402 | } |
12403 | ||
12404 | return newlist; | |
12405 | } | |
12406 | ||
06a2c219 GM |
12407 | |
12408 | #if GLYPH_DEBUG | |
12409 | ||
12410 | /* Check that FONT is valid on frame F. It is if it can be found in F's | |
12411 | font table. */ | |
12412 | ||
12413 | static void | |
12414 | x_check_font (f, font) | |
12415 | struct frame *f; | |
12416 | XFontStruct *font; | |
12417 | { | |
12418 | int i; | |
12419 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
12420 | ||
12421 | xassert (font != NULL); | |
12422 | ||
12423 | for (i = 0; i < dpyinfo->n_fonts; i++) | |
12424 | if (dpyinfo->font_table[i].name | |
12425 | && font == dpyinfo->font_table[i].font) | |
12426 | break; | |
12427 | ||
12428 | xassert (i < dpyinfo->n_fonts); | |
12429 | } | |
12430 | ||
12431 | #endif /* GLYPH_DEBUG != 0 */ | |
12432 | ||
12433 | /* Set *W to the minimum width, *H to the minimum font height of FONT. | |
12434 | Note: There are (broken) X fonts out there with invalid XFontStruct | |
12435 | min_bounds contents. For example, handa@etl.go.jp reports that | |
12436 | "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1" fonts | |
12437 | have font->min_bounds.width == 0. */ | |
12438 | ||
12439 | static INLINE void | |
12440 | x_font_min_bounds (font, w, h) | |
12441 | XFontStruct *font; | |
12442 | int *w, *h; | |
12443 | { | |
12444 | *h = FONT_HEIGHT (font); | |
12445 | *w = font->min_bounds.width; | |
12446 | ||
12447 | /* Try to handle the case where FONT->min_bounds has invalid | |
12448 | contents. Since the only font known to have invalid min_bounds | |
12449 | is fixed-width, use max_bounds if min_bounds seems to be invalid. */ | |
12450 | if (*w <= 0) | |
12451 | *w = font->max_bounds.width; | |
12452 | } | |
12453 | ||
12454 | ||
12455 | /* Compute the smallest character width and smallest font height over | |
12456 | all fonts available on frame F. Set the members smallest_char_width | |
12457 | and smallest_font_height in F's x_display_info structure to | |
12458 | the values computed. Value is non-zero if smallest_font_height or | |
12459 | smallest_char_width become smaller than they were before. */ | |
12460 | ||
12461 | static int | |
12462 | x_compute_min_glyph_bounds (f) | |
12463 | struct frame *f; | |
12464 | { | |
12465 | int i; | |
12466 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
12467 | XFontStruct *font; | |
12468 | int old_width = dpyinfo->smallest_char_width; | |
12469 | int old_height = dpyinfo->smallest_font_height; | |
12470 | ||
12471 | dpyinfo->smallest_font_height = 100000; | |
12472 | dpyinfo->smallest_char_width = 100000; | |
12473 | ||
12474 | for (i = 0; i < dpyinfo->n_fonts; ++i) | |
12475 | if (dpyinfo->font_table[i].name) | |
12476 | { | |
12477 | struct font_info *fontp = dpyinfo->font_table + i; | |
12478 | int w, h; | |
12479 | ||
12480 | font = (XFontStruct *) fontp->font; | |
12481 | xassert (font != (XFontStruct *) ~0); | |
12482 | x_font_min_bounds (font, &w, &h); | |
12483 | ||
12484 | dpyinfo->smallest_font_height = min (dpyinfo->smallest_font_height, h); | |
12485 | dpyinfo->smallest_char_width = min (dpyinfo->smallest_char_width, w); | |
12486 | } | |
12487 | ||
12488 | xassert (dpyinfo->smallest_char_width > 0 | |
12489 | && dpyinfo->smallest_font_height > 0); | |
12490 | ||
12491 | return (dpyinfo->n_fonts == 1 | |
12492 | || dpyinfo->smallest_char_width < old_width | |
12493 | || dpyinfo->smallest_font_height < old_height); | |
12494 | } | |
12495 | ||
12496 | ||
dc43ef94 KH |
12497 | /* Load font named FONTNAME of the size SIZE for frame F, and return a |
12498 | pointer to the structure font_info while allocating it dynamically. | |
12499 | If SIZE is 0, load any size of font. | |
12500 | If loading is failed, return NULL. */ | |
12501 | ||
12502 | struct font_info * | |
12503 | x_load_font (f, fontname, size) | |
12504 | struct frame *f; | |
12505 | register char *fontname; | |
12506 | int size; | |
12507 | { | |
12508 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
12509 | Lisp_Object font_names; | |
d645aaa4 | 12510 | int count; |
dc43ef94 KH |
12511 | |
12512 | /* Get a list of all the fonts that match this name. Once we | |
12513 | have a list of matching fonts, we compare them against the fonts | |
12514 | we already have by comparing names. */ | |
09c6077f | 12515 | font_names = x_list_fonts (f, build_string (fontname), size, 1); |
dc43ef94 KH |
12516 | |
12517 | if (!NILP (font_names)) | |
12518 | { | |
12519 | Lisp_Object tail; | |
12520 | int i; | |
12521 | ||
12522 | for (i = 0; i < dpyinfo->n_fonts; i++) | |
8e713be6 | 12523 | for (tail = font_names; CONSP (tail); tail = XCDR (tail)) |
06a2c219 GM |
12524 | if (dpyinfo->font_table[i].name |
12525 | && (!strcmp (dpyinfo->font_table[i].name, | |
8e713be6 | 12526 | XSTRING (XCAR (tail))->data) |
06a2c219 | 12527 | || !strcmp (dpyinfo->font_table[i].full_name, |
8e713be6 | 12528 | XSTRING (XCAR (tail))->data))) |
dc43ef94 KH |
12529 | return (dpyinfo->font_table + i); |
12530 | } | |
12531 | ||
12532 | /* Load the font and add it to the table. */ | |
12533 | { | |
12534 | char *full_name; | |
12535 | XFontStruct *font; | |
12536 | struct font_info *fontp; | |
12537 | unsigned long value; | |
06a2c219 | 12538 | int i; |
dc43ef94 | 12539 | |
2da424f1 KH |
12540 | /* If we have found fonts by x_list_font, load one of them. If |
12541 | not, we still try to load a font by the name given as FONTNAME | |
12542 | because XListFonts (called in x_list_font) of some X server has | |
12543 | a bug of not finding a font even if the font surely exists and | |
12544 | is loadable by XLoadQueryFont. */ | |
e1d6d5b9 | 12545 | if (size > 0 && !NILP (font_names)) |
8e713be6 | 12546 | fontname = (char *) XSTRING (XCAR (font_names))->data; |
dc43ef94 KH |
12547 | |
12548 | BLOCK_INPUT; | |
d645aaa4 | 12549 | count = x_catch_errors (FRAME_X_DISPLAY (f)); |
dc43ef94 | 12550 | font = (XFontStruct *) XLoadQueryFont (FRAME_X_DISPLAY (f), fontname); |
d645aaa4 KH |
12551 | if (x_had_errors_p (FRAME_X_DISPLAY (f))) |
12552 | { | |
12553 | /* This error is perhaps due to insufficient memory on X | |
12554 | server. Let's just ignore it. */ | |
12555 | font = NULL; | |
12556 | x_clear_errors (FRAME_X_DISPLAY (f)); | |
12557 | } | |
12558 | x_uncatch_errors (FRAME_X_DISPLAY (f), count); | |
dc43ef94 | 12559 | UNBLOCK_INPUT; |
b5210ea7 | 12560 | if (!font) |
dc43ef94 KH |
12561 | return NULL; |
12562 | ||
06a2c219 GM |
12563 | /* Find a free slot in the font table. */ |
12564 | for (i = 0; i < dpyinfo->n_fonts; ++i) | |
12565 | if (dpyinfo->font_table[i].name == NULL) | |
12566 | break; | |
12567 | ||
12568 | /* If no free slot found, maybe enlarge the font table. */ | |
12569 | if (i == dpyinfo->n_fonts | |
12570 | && dpyinfo->n_fonts == dpyinfo->font_table_size) | |
dc43ef94 | 12571 | { |
06a2c219 GM |
12572 | int sz; |
12573 | dpyinfo->font_table_size = max (16, 2 * dpyinfo->font_table_size); | |
12574 | sz = dpyinfo->font_table_size * sizeof *dpyinfo->font_table; | |
dc43ef94 | 12575 | dpyinfo->font_table |
06a2c219 | 12576 | = (struct font_info *) xrealloc (dpyinfo->font_table, sz); |
dc43ef94 KH |
12577 | } |
12578 | ||
06a2c219 GM |
12579 | fontp = dpyinfo->font_table + i; |
12580 | if (i == dpyinfo->n_fonts) | |
12581 | ++dpyinfo->n_fonts; | |
dc43ef94 KH |
12582 | |
12583 | /* Now fill in the slots of *FONTP. */ | |
12584 | BLOCK_INPUT; | |
12585 | fontp->font = font; | |
06a2c219 | 12586 | fontp->font_idx = i; |
dc43ef94 KH |
12587 | fontp->name = (char *) xmalloc (strlen (fontname) + 1); |
12588 | bcopy (fontname, fontp->name, strlen (fontname) + 1); | |
12589 | ||
12590 | /* Try to get the full name of FONT. Put it in FULL_NAME. */ | |
12591 | full_name = 0; | |
12592 | if (XGetFontProperty (font, XA_FONT, &value)) | |
12593 | { | |
12594 | char *name = (char *) XGetAtomName (FRAME_X_DISPLAY (f), (Atom) value); | |
12595 | char *p = name; | |
12596 | int dashes = 0; | |
12597 | ||
12598 | /* Count the number of dashes in the "full name". | |
12599 | If it is too few, this isn't really the font's full name, | |
12600 | so don't use it. | |
12601 | In X11R4, the fonts did not come with their canonical names | |
12602 | stored in them. */ | |
12603 | while (*p) | |
12604 | { | |
12605 | if (*p == '-') | |
12606 | dashes++; | |
12607 | p++; | |
12608 | } | |
12609 | ||
12610 | if (dashes >= 13) | |
12611 | { | |
12612 | full_name = (char *) xmalloc (p - name + 1); | |
12613 | bcopy (name, full_name, p - name + 1); | |
12614 | } | |
12615 | ||
12616 | XFree (name); | |
12617 | } | |
12618 | ||
12619 | if (full_name != 0) | |
12620 | fontp->full_name = full_name; | |
12621 | else | |
12622 | fontp->full_name = fontp->name; | |
12623 | ||
12624 | fontp->size = font->max_bounds.width; | |
d5749adb KH |
12625 | fontp->height = FONT_HEIGHT (font); |
12626 | { | |
12627 | /* For some font, ascent and descent in max_bounds field is | |
12628 | larger than the above value. */ | |
12629 | int max_height = font->max_bounds.ascent + font->max_bounds.descent; | |
12630 | if (max_height > fontp->height) | |
74848a96 | 12631 | fontp->height = max_height; |
d5749adb | 12632 | } |
dc43ef94 | 12633 | |
2da424f1 KH |
12634 | if (NILP (font_names)) |
12635 | { | |
12636 | /* We come here because of a bug of XListFonts mentioned at | |
12637 | the head of this block. Let's store this information in | |
12638 | the cache for x_list_fonts. */ | |
12639 | Lisp_Object lispy_name = build_string (fontname); | |
12640 | Lisp_Object lispy_full_name = build_string (fontp->full_name); | |
12641 | ||
8e713be6 | 12642 | XCDR (dpyinfo->name_list_element) |
2da424f1 KH |
12643 | = Fcons (Fcons (Fcons (lispy_name, make_number (256)), |
12644 | Fcons (Fcons (lispy_full_name, | |
12645 | make_number (fontp->size)), | |
12646 | Qnil)), | |
8e713be6 | 12647 | XCDR (dpyinfo->name_list_element)); |
2da424f1 | 12648 | if (full_name) |
8e713be6 | 12649 | XCDR (dpyinfo->name_list_element) |
2da424f1 KH |
12650 | = Fcons (Fcons (Fcons (lispy_full_name, make_number (256)), |
12651 | Fcons (Fcons (lispy_full_name, | |
12652 | make_number (fontp->size)), | |
12653 | Qnil)), | |
8e713be6 | 12654 | XCDR (dpyinfo->name_list_element)); |
2da424f1 KH |
12655 | } |
12656 | ||
dc43ef94 KH |
12657 | /* The slot `encoding' specifies how to map a character |
12658 | code-points (0x20..0x7F or 0x2020..0x7F7F) of each charset to | |
ee569018 KH |
12659 | the font code-points (0:0x20..0x7F, 1:0xA0..0xFF), or |
12660 | (0:0x2020..0x7F7F, 1:0xA0A0..0xFFFF, 3:0x20A0..0x7FFF, | |
8ff102bd | 12661 | 2:0xA020..0xFF7F). For the moment, we don't know which charset |
06a2c219 | 12662 | uses this font. So, we set information in fontp->encoding[1] |
8ff102bd RS |
12663 | which is never used by any charset. If mapping can't be |
12664 | decided, set FONT_ENCODING_NOT_DECIDED. */ | |
dc43ef94 KH |
12665 | fontp->encoding[1] |
12666 | = (font->max_byte1 == 0 | |
12667 | /* 1-byte font */ | |
12668 | ? (font->min_char_or_byte2 < 0x80 | |
12669 | ? (font->max_char_or_byte2 < 0x80 | |
12670 | ? 0 /* 0x20..0x7F */ | |
8ff102bd | 12671 | : FONT_ENCODING_NOT_DECIDED) /* 0x20..0xFF */ |
dc43ef94 KH |
12672 | : 1) /* 0xA0..0xFF */ |
12673 | /* 2-byte font */ | |
12674 | : (font->min_byte1 < 0x80 | |
12675 | ? (font->max_byte1 < 0x80 | |
12676 | ? (font->min_char_or_byte2 < 0x80 | |
12677 | ? (font->max_char_or_byte2 < 0x80 | |
12678 | ? 0 /* 0x2020..0x7F7F */ | |
8ff102bd | 12679 | : FONT_ENCODING_NOT_DECIDED) /* 0x2020..0x7FFF */ |
dc43ef94 | 12680 | : 3) /* 0x20A0..0x7FFF */ |
8ff102bd | 12681 | : FONT_ENCODING_NOT_DECIDED) /* 0x20??..0xA0?? */ |
dc43ef94 KH |
12682 | : (font->min_char_or_byte2 < 0x80 |
12683 | ? (font->max_char_or_byte2 < 0x80 | |
12684 | ? 2 /* 0xA020..0xFF7F */ | |
8ff102bd | 12685 | : FONT_ENCODING_NOT_DECIDED) /* 0xA020..0xFFFF */ |
dc43ef94 KH |
12686 | : 1))); /* 0xA0A0..0xFFFF */ |
12687 | ||
12688 | fontp->baseline_offset | |
12689 | = (XGetFontProperty (font, dpyinfo->Xatom_MULE_BASELINE_OFFSET, &value) | |
12690 | ? (long) value : 0); | |
12691 | fontp->relative_compose | |
12692 | = (XGetFontProperty (font, dpyinfo->Xatom_MULE_RELATIVE_COMPOSE, &value) | |
12693 | ? (long) value : 0); | |
f78798df KH |
12694 | fontp->default_ascent |
12695 | = (XGetFontProperty (font, dpyinfo->Xatom_MULE_DEFAULT_ASCENT, &value) | |
12696 | ? (long) value : 0); | |
dc43ef94 | 12697 | |
06a2c219 GM |
12698 | /* Set global flag fonts_changed_p to non-zero if the font loaded |
12699 | has a character with a smaller width than any other character | |
12700 | before, or if the font loaded has a smalle>r height than any | |
12701 | other font loaded before. If this happens, it will make a | |
12702 | glyph matrix reallocation necessary. */ | |
12703 | fonts_changed_p = x_compute_min_glyph_bounds (f); | |
dc43ef94 | 12704 | UNBLOCK_INPUT; |
dc43ef94 KH |
12705 | return fontp; |
12706 | } | |
12707 | } | |
12708 | ||
06a2c219 GM |
12709 | |
12710 | /* Return a pointer to struct font_info of a font named FONTNAME for | |
12711 | frame F. If no such font is loaded, return NULL. */ | |
12712 | ||
dc43ef94 KH |
12713 | struct font_info * |
12714 | x_query_font (f, fontname) | |
12715 | struct frame *f; | |
12716 | register char *fontname; | |
12717 | { | |
12718 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
12719 | int i; | |
12720 | ||
12721 | for (i = 0; i < dpyinfo->n_fonts; i++) | |
06a2c219 GM |
12722 | if (dpyinfo->font_table[i].name |
12723 | && (!strcmp (dpyinfo->font_table[i].name, fontname) | |
12724 | || !strcmp (dpyinfo->font_table[i].full_name, fontname))) | |
dc43ef94 KH |
12725 | return (dpyinfo->font_table + i); |
12726 | return NULL; | |
12727 | } | |
12728 | ||
06a2c219 GM |
12729 | |
12730 | /* Find a CCL program for a font specified by FONTP, and set the member | |
a6582676 KH |
12731 | `encoder' of the structure. */ |
12732 | ||
12733 | void | |
12734 | x_find_ccl_program (fontp) | |
12735 | struct font_info *fontp; | |
12736 | { | |
a42f54e6 | 12737 | Lisp_Object list, elt; |
a6582676 | 12738 | |
8e713be6 | 12739 | for (list = Vfont_ccl_encoder_alist; CONSP (list); list = XCDR (list)) |
a6582676 | 12740 | { |
8e713be6 | 12741 | elt = XCAR (list); |
a6582676 | 12742 | if (CONSP (elt) |
8e713be6 KR |
12743 | && STRINGP (XCAR (elt)) |
12744 | && (fast_c_string_match_ignore_case (XCAR (elt), fontp->name) | |
a6582676 | 12745 | >= 0)) |
a42f54e6 KH |
12746 | break; |
12747 | } | |
12748 | if (! NILP (list)) | |
12749 | { | |
d27f8ca7 KH |
12750 | struct ccl_program *ccl |
12751 | = (struct ccl_program *) xmalloc (sizeof (struct ccl_program)); | |
a42f54e6 | 12752 | |
8e713be6 | 12753 | if (setup_ccl_program (ccl, XCDR (elt)) < 0) |
a42f54e6 KH |
12754 | xfree (ccl); |
12755 | else | |
12756 | fontp->font_encoder = ccl; | |
a6582676 KH |
12757 | } |
12758 | } | |
12759 | ||
06a2c219 | 12760 | |
dc43ef94 | 12761 | \f |
06a2c219 GM |
12762 | /*********************************************************************** |
12763 | Initialization | |
12764 | ***********************************************************************/ | |
f451eb13 | 12765 | |
3afe33e7 RS |
12766 | #ifdef USE_X_TOOLKIT |
12767 | static XrmOptionDescRec emacs_options[] = { | |
12768 | {"-geometry", ".geometry", XrmoptionSepArg, NULL}, | |
12769 | {"-iconic", ".iconic", XrmoptionNoArg, (XtPointer) "yes"}, | |
12770 | ||
12771 | {"-internal-border-width", "*EmacsScreen.internalBorderWidth", | |
12772 | XrmoptionSepArg, NULL}, | |
12773 | {"-ib", "*EmacsScreen.internalBorderWidth", XrmoptionSepArg, NULL}, | |
12774 | ||
12775 | {"-T", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
12776 | {"-wn", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
12777 | {"-title", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
12778 | {"-iconname", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
12779 | {"-in", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
12780 | {"-mc", "*pointerColor", XrmoptionSepArg, (XtPointer) NULL}, | |
12781 | {"-cr", "*cursorColor", XrmoptionSepArg, (XtPointer) NULL} | |
12782 | }; | |
12783 | #endif /* USE_X_TOOLKIT */ | |
12784 | ||
7a13e894 RS |
12785 | static int x_initialized; |
12786 | ||
29b38361 KH |
12787 | #ifdef MULTI_KBOARD |
12788 | /* Test whether two display-name strings agree up to the dot that separates | |
12789 | the screen number from the server number. */ | |
12790 | static int | |
12791 | same_x_server (name1, name2) | |
12792 | char *name1, *name2; | |
12793 | { | |
12794 | int seen_colon = 0; | |
cf591cc1 RS |
12795 | unsigned char *system_name = XSTRING (Vsystem_name)->data; |
12796 | int system_name_length = strlen (system_name); | |
12797 | int length_until_period = 0; | |
12798 | ||
12799 | while (system_name[length_until_period] != 0 | |
12800 | && system_name[length_until_period] != '.') | |
12801 | length_until_period++; | |
12802 | ||
12803 | /* Treat `unix' like an empty host name. */ | |
12804 | if (! strncmp (name1, "unix:", 5)) | |
12805 | name1 += 4; | |
12806 | if (! strncmp (name2, "unix:", 5)) | |
12807 | name2 += 4; | |
12808 | /* Treat this host's name like an empty host name. */ | |
12809 | if (! strncmp (name1, system_name, system_name_length) | |
12810 | && name1[system_name_length] == ':') | |
12811 | name1 += system_name_length; | |
12812 | if (! strncmp (name2, system_name, system_name_length) | |
12813 | && name2[system_name_length] == ':') | |
12814 | name2 += system_name_length; | |
12815 | /* Treat this host's domainless name like an empty host name. */ | |
12816 | if (! strncmp (name1, system_name, length_until_period) | |
12817 | && name1[length_until_period] == ':') | |
12818 | name1 += length_until_period; | |
12819 | if (! strncmp (name2, system_name, length_until_period) | |
12820 | && name2[length_until_period] == ':') | |
12821 | name2 += length_until_period; | |
12822 | ||
29b38361 KH |
12823 | for (; *name1 != '\0' && *name1 == *name2; name1++, name2++) |
12824 | { | |
12825 | if (*name1 == ':') | |
12826 | seen_colon++; | |
12827 | if (seen_colon && *name1 == '.') | |
12828 | return 1; | |
12829 | } | |
12830 | return (seen_colon | |
12831 | && (*name1 == '.' || *name1 == '\0') | |
12832 | && (*name2 == '.' || *name2 == '\0')); | |
12833 | } | |
12834 | #endif | |
12835 | ||
334208b7 | 12836 | struct x_display_info * |
1f8255f2 | 12837 | x_term_init (display_name, xrm_option, resource_name) |
334208b7 | 12838 | Lisp_Object display_name; |
1f8255f2 RS |
12839 | char *xrm_option; |
12840 | char *resource_name; | |
dc6f92b8 | 12841 | { |
334208b7 | 12842 | int connection; |
7a13e894 | 12843 | Display *dpy; |
334208b7 RS |
12844 | struct x_display_info *dpyinfo; |
12845 | XrmDatabase xrdb; | |
12846 | ||
60439948 KH |
12847 | BLOCK_INPUT; |
12848 | ||
7a13e894 RS |
12849 | if (!x_initialized) |
12850 | { | |
12851 | x_initialize (); | |
12852 | x_initialized = 1; | |
12853 | } | |
dc6f92b8 | 12854 | |
3afe33e7 | 12855 | #ifdef USE_X_TOOLKIT |
2d7fc7e8 RS |
12856 | /* weiner@footloose.sps.mot.com reports that this causes |
12857 | errors with X11R5: | |
12858 | X protocol error: BadAtom (invalid Atom parameter) | |
12859 | on protocol request 18skiloaf. | |
12860 | So let's not use it until R6. */ | |
12861 | #ifdef HAVE_X11XTR6 | |
bdcd49ba RS |
12862 | XtSetLanguageProc (NULL, NULL, NULL); |
12863 | #endif | |
12864 | ||
7f9c7f94 RS |
12865 | { |
12866 | int argc = 0; | |
12867 | char *argv[3]; | |
12868 | ||
12869 | argv[0] = ""; | |
12870 | argc = 1; | |
12871 | if (xrm_option) | |
12872 | { | |
12873 | argv[argc++] = "-xrm"; | |
12874 | argv[argc++] = xrm_option; | |
12875 | } | |
12876 | dpy = XtOpenDisplay (Xt_app_con, XSTRING (display_name)->data, | |
12877 | resource_name, EMACS_CLASS, | |
12878 | emacs_options, XtNumber (emacs_options), | |
12879 | &argc, argv); | |
39d8bb4d KH |
12880 | |
12881 | #ifdef HAVE_X11XTR6 | |
10537cb1 | 12882 | /* I think this is to compensate for XtSetLanguageProc. */ |
71f8198a | 12883 | fixup_locale (); |
39d8bb4d | 12884 | #endif |
7f9c7f94 | 12885 | } |
3afe33e7 RS |
12886 | |
12887 | #else /* not USE_X_TOOLKIT */ | |
bdcd49ba RS |
12888 | #ifdef HAVE_X11R5 |
12889 | XSetLocaleModifiers (""); | |
12890 | #endif | |
7a13e894 | 12891 | dpy = XOpenDisplay (XSTRING (display_name)->data); |
3afe33e7 | 12892 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 12893 | |
7a13e894 RS |
12894 | /* Detect failure. */ |
12895 | if (dpy == 0) | |
60439948 KH |
12896 | { |
12897 | UNBLOCK_INPUT; | |
12898 | return 0; | |
12899 | } | |
7a13e894 RS |
12900 | |
12901 | /* We have definitely succeeded. Record the new connection. */ | |
12902 | ||
12903 | dpyinfo = (struct x_display_info *) xmalloc (sizeof (struct x_display_info)); | |
12904 | ||
29b38361 KH |
12905 | #ifdef MULTI_KBOARD |
12906 | { | |
12907 | struct x_display_info *share; | |
12908 | Lisp_Object tail; | |
12909 | ||
12910 | for (share = x_display_list, tail = x_display_name_list; share; | |
8e713be6 KR |
12911 | share = share->next, tail = XCDR (tail)) |
12912 | if (same_x_server (XSTRING (XCAR (XCAR (tail)))->data, | |
29b38361 KH |
12913 | XSTRING (display_name)->data)) |
12914 | break; | |
12915 | if (share) | |
12916 | dpyinfo->kboard = share->kboard; | |
12917 | else | |
12918 | { | |
12919 | dpyinfo->kboard = (KBOARD *) xmalloc (sizeof (KBOARD)); | |
12920 | init_kboard (dpyinfo->kboard); | |
59e755be KH |
12921 | if (!EQ (XSYMBOL (Qvendor_specific_keysyms)->function, Qunbound)) |
12922 | { | |
12923 | char *vendor = ServerVendor (dpy); | |
9b6ed9f3 | 12924 | UNBLOCK_INPUT; |
59e755be KH |
12925 | dpyinfo->kboard->Vsystem_key_alist |
12926 | = call1 (Qvendor_specific_keysyms, | |
12927 | build_string (vendor ? vendor : "")); | |
9b6ed9f3 | 12928 | BLOCK_INPUT; |
59e755be KH |
12929 | } |
12930 | ||
29b38361 KH |
12931 | dpyinfo->kboard->next_kboard = all_kboards; |
12932 | all_kboards = dpyinfo->kboard; | |
0ad5446c KH |
12933 | /* Don't let the initial kboard remain current longer than necessary. |
12934 | That would cause problems if a file loaded on startup tries to | |
06a2c219 | 12935 | prompt in the mini-buffer. */ |
0ad5446c KH |
12936 | if (current_kboard == initial_kboard) |
12937 | current_kboard = dpyinfo->kboard; | |
29b38361 KH |
12938 | } |
12939 | dpyinfo->kboard->reference_count++; | |
12940 | } | |
b9737ad3 KH |
12941 | #endif |
12942 | ||
7a13e894 RS |
12943 | /* Put this display on the chain. */ |
12944 | dpyinfo->next = x_display_list; | |
12945 | x_display_list = dpyinfo; | |
12946 | ||
12947 | /* Put it on x_display_name_list as well, to keep them parallel. */ | |
12948 | x_display_name_list = Fcons (Fcons (display_name, Qnil), | |
12949 | x_display_name_list); | |
8e713be6 | 12950 | dpyinfo->name_list_element = XCAR (x_display_name_list); |
7a13e894 RS |
12951 | |
12952 | dpyinfo->display = dpy; | |
dc6f92b8 | 12953 | |
dc6f92b8 | 12954 | #if 0 |
7a13e894 | 12955 | XSetAfterFunction (x_current_display, x_trace_wire); |
c118dd06 | 12956 | #endif /* ! 0 */ |
7a13e894 RS |
12957 | |
12958 | dpyinfo->x_id_name | |
fc932ac6 RS |
12959 | = (char *) xmalloc (STRING_BYTES (XSTRING (Vinvocation_name)) |
12960 | + STRING_BYTES (XSTRING (Vsystem_name)) | |
7a13e894 RS |
12961 | + 2); |
12962 | sprintf (dpyinfo->x_id_name, "%s@%s", | |
12963 | XSTRING (Vinvocation_name)->data, XSTRING (Vsystem_name)->data); | |
28430d3c JB |
12964 | |
12965 | /* Figure out which modifier bits mean what. */ | |
334208b7 | 12966 | x_find_modifier_meanings (dpyinfo); |
f451eb13 | 12967 | |
ab648270 | 12968 | /* Get the scroll bar cursor. */ |
7a13e894 | 12969 | dpyinfo->vertical_scroll_bar_cursor |
334208b7 | 12970 | = XCreateFontCursor (dpyinfo->display, XC_sb_v_double_arrow); |
f451eb13 | 12971 | |
334208b7 RS |
12972 | xrdb = x_load_resources (dpyinfo->display, xrm_option, |
12973 | resource_name, EMACS_CLASS); | |
12974 | #ifdef HAVE_XRMSETDATABASE | |
12975 | XrmSetDatabase (dpyinfo->display, xrdb); | |
12976 | #else | |
12977 | dpyinfo->display->db = xrdb; | |
12978 | #endif | |
547d9db8 | 12979 | /* Put the rdb where we can find it in a way that works on |
7a13e894 RS |
12980 | all versions. */ |
12981 | dpyinfo->xrdb = xrdb; | |
334208b7 RS |
12982 | |
12983 | dpyinfo->screen = ScreenOfDisplay (dpyinfo->display, | |
12984 | DefaultScreen (dpyinfo->display)); | |
5ff67d81 | 12985 | select_visual (dpyinfo); |
43bd1b2b | 12986 | dpyinfo->cmap = DefaultColormapOfScreen (dpyinfo->screen); |
334208b7 RS |
12987 | dpyinfo->height = HeightOfScreen (dpyinfo->screen); |
12988 | dpyinfo->width = WidthOfScreen (dpyinfo->screen); | |
12989 | dpyinfo->root_window = RootWindowOfScreen (dpyinfo->screen); | |
12990 | dpyinfo->grabbed = 0; | |
12991 | dpyinfo->reference_count = 0; | |
12992 | dpyinfo->icon_bitmap_id = -1; | |
06a2c219 | 12993 | dpyinfo->font_table = NULL; |
7a13e894 RS |
12994 | dpyinfo->n_fonts = 0; |
12995 | dpyinfo->font_table_size = 0; | |
12996 | dpyinfo->bitmaps = 0; | |
12997 | dpyinfo->bitmaps_size = 0; | |
12998 | dpyinfo->bitmaps_last = 0; | |
12999 | dpyinfo->scratch_cursor_gc = 0; | |
13000 | dpyinfo->mouse_face_mouse_frame = 0; | |
13001 | dpyinfo->mouse_face_deferred_gc = 0; | |
13002 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
13003 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
06a2c219 | 13004 | dpyinfo->mouse_face_face_id = DEFAULT_FACE_ID; |
7a13e894 RS |
13005 | dpyinfo->mouse_face_window = Qnil; |
13006 | dpyinfo->mouse_face_mouse_x = dpyinfo->mouse_face_mouse_y = 0; | |
13007 | dpyinfo->mouse_face_defer = 0; | |
0f941935 KH |
13008 | dpyinfo->x_focus_frame = 0; |
13009 | dpyinfo->x_focus_event_frame = 0; | |
13010 | dpyinfo->x_highlight_frame = 0; | |
06a2c219 | 13011 | dpyinfo->image_cache = make_image_cache (); |
334208b7 | 13012 | |
43bd1b2b | 13013 | /* See if a private colormap is requested. */ |
5ff67d81 GM |
13014 | if (dpyinfo->visual == DefaultVisualOfScreen (dpyinfo->screen)) |
13015 | { | |
13016 | if (dpyinfo->visual->class == PseudoColor) | |
13017 | { | |
13018 | Lisp_Object value; | |
13019 | value = display_x_get_resource (dpyinfo, | |
13020 | build_string ("privateColormap"), | |
13021 | build_string ("PrivateColormap"), | |
13022 | Qnil, Qnil); | |
13023 | if (STRINGP (value) | |
13024 | && (!strcmp (XSTRING (value)->data, "true") | |
13025 | || !strcmp (XSTRING (value)->data, "on"))) | |
13026 | dpyinfo->cmap = XCopyColormapAndFree (dpyinfo->display, dpyinfo->cmap); | |
13027 | } | |
43bd1b2b | 13028 | } |
5ff67d81 GM |
13029 | else |
13030 | dpyinfo->cmap = XCreateColormap (dpyinfo->display, dpyinfo->root_window, | |
13031 | dpyinfo->visual, AllocNone); | |
43bd1b2b | 13032 | |
06a2c219 GM |
13033 | { |
13034 | int screen_number = XScreenNumberOfScreen (dpyinfo->screen); | |
13035 | double pixels = DisplayHeight (dpyinfo->display, screen_number); | |
13036 | double mm = DisplayHeightMM (dpyinfo->display, screen_number); | |
13037 | dpyinfo->resy = pixels * 25.4 / mm; | |
13038 | pixels = DisplayWidth (dpyinfo->display, screen_number); | |
13039 | mm = DisplayWidthMM (dpyinfo->display, screen_number); | |
13040 | dpyinfo->resx = pixels * 25.4 / mm; | |
13041 | } | |
13042 | ||
334208b7 RS |
13043 | dpyinfo->Xatom_wm_protocols |
13044 | = XInternAtom (dpyinfo->display, "WM_PROTOCOLS", False); | |
13045 | dpyinfo->Xatom_wm_take_focus | |
13046 | = XInternAtom (dpyinfo->display, "WM_TAKE_FOCUS", False); | |
13047 | dpyinfo->Xatom_wm_save_yourself | |
13048 | = XInternAtom (dpyinfo->display, "WM_SAVE_YOURSELF", False); | |
13049 | dpyinfo->Xatom_wm_delete_window | |
13050 | = XInternAtom (dpyinfo->display, "WM_DELETE_WINDOW", False); | |
13051 | dpyinfo->Xatom_wm_change_state | |
13052 | = XInternAtom (dpyinfo->display, "WM_CHANGE_STATE", False); | |
13053 | dpyinfo->Xatom_wm_configure_denied | |
13054 | = XInternAtom (dpyinfo->display, "WM_CONFIGURE_DENIED", False); | |
13055 | dpyinfo->Xatom_wm_window_moved | |
13056 | = XInternAtom (dpyinfo->display, "WM_MOVED", False); | |
13057 | dpyinfo->Xatom_editres | |
13058 | = XInternAtom (dpyinfo->display, "Editres", False); | |
13059 | dpyinfo->Xatom_CLIPBOARD | |
13060 | = XInternAtom (dpyinfo->display, "CLIPBOARD", False); | |
13061 | dpyinfo->Xatom_TIMESTAMP | |
13062 | = XInternAtom (dpyinfo->display, "TIMESTAMP", False); | |
13063 | dpyinfo->Xatom_TEXT | |
13064 | = XInternAtom (dpyinfo->display, "TEXT", False); | |
dc43ef94 KH |
13065 | dpyinfo->Xatom_COMPOUND_TEXT |
13066 | = XInternAtom (dpyinfo->display, "COMPOUND_TEXT", False); | |
334208b7 RS |
13067 | dpyinfo->Xatom_DELETE |
13068 | = XInternAtom (dpyinfo->display, "DELETE", False); | |
13069 | dpyinfo->Xatom_MULTIPLE | |
13070 | = XInternAtom (dpyinfo->display, "MULTIPLE", False); | |
13071 | dpyinfo->Xatom_INCR | |
13072 | = XInternAtom (dpyinfo->display, "INCR", False); | |
13073 | dpyinfo->Xatom_EMACS_TMP | |
13074 | = XInternAtom (dpyinfo->display, "_EMACS_TMP_", False); | |
13075 | dpyinfo->Xatom_TARGETS | |
13076 | = XInternAtom (dpyinfo->display, "TARGETS", False); | |
13077 | dpyinfo->Xatom_NULL | |
13078 | = XInternAtom (dpyinfo->display, "NULL", False); | |
13079 | dpyinfo->Xatom_ATOM_PAIR | |
13080 | = XInternAtom (dpyinfo->display, "ATOM_PAIR", False); | |
dc43ef94 KH |
13081 | /* For properties of font. */ |
13082 | dpyinfo->Xatom_PIXEL_SIZE | |
13083 | = XInternAtom (dpyinfo->display, "PIXEL_SIZE", False); | |
13084 | dpyinfo->Xatom_MULE_BASELINE_OFFSET | |
13085 | = XInternAtom (dpyinfo->display, "_MULE_BASELINE_OFFSET", False); | |
13086 | dpyinfo->Xatom_MULE_RELATIVE_COMPOSE | |
13087 | = XInternAtom (dpyinfo->display, "_MULE_RELATIVE_COMPOSE", False); | |
f78798df KH |
13088 | dpyinfo->Xatom_MULE_DEFAULT_ASCENT |
13089 | = XInternAtom (dpyinfo->display, "_MULE_DEFAULT_ASCENT", False); | |
334208b7 | 13090 | |
06a2c219 GM |
13091 | /* Ghostscript support. */ |
13092 | dpyinfo->Xatom_PAGE = XInternAtom (dpyinfo->display, "PAGE", False); | |
13093 | dpyinfo->Xatom_DONE = XInternAtom (dpyinfo->display, "DONE", False); | |
13094 | ||
13095 | dpyinfo->Xatom_Scrollbar = XInternAtom (dpyinfo->display, "SCROLLBAR", | |
13096 | False); | |
13097 | ||
547d9db8 KH |
13098 | dpyinfo->cut_buffers_initialized = 0; |
13099 | ||
334208b7 RS |
13100 | connection = ConnectionNumber (dpyinfo->display); |
13101 | dpyinfo->connection = connection; | |
13102 | ||
dc43ef94 | 13103 | { |
5d7cc324 RS |
13104 | char null_bits[1]; |
13105 | ||
13106 | null_bits[0] = 0x00; | |
dc43ef94 KH |
13107 | |
13108 | dpyinfo->null_pixel | |
13109 | = XCreatePixmapFromBitmapData (dpyinfo->display, dpyinfo->root_window, | |
13110 | null_bits, 1, 1, (long) 0, (long) 0, | |
13111 | 1); | |
13112 | } | |
13113 | ||
06a2c219 GM |
13114 | { |
13115 | extern int gray_bitmap_width, gray_bitmap_height; | |
13116 | extern unsigned char *gray_bitmap_bits; | |
13117 | dpyinfo->gray | |
13118 | = XCreatePixmapFromBitmapData (dpyinfo->display, dpyinfo->root_window, | |
13119 | gray_bitmap_bits, | |
13120 | gray_bitmap_width, gray_bitmap_height, | |
13121 | (unsigned long) 1, (unsigned long) 0, 1); | |
13122 | } | |
13123 | ||
f5d11644 GM |
13124 | #ifdef HAVE_X_I18N |
13125 | xim_initialize (dpyinfo, resource_name); | |
13126 | #endif | |
13127 | ||
87485d6f MW |
13128 | #ifdef subprocesses |
13129 | /* This is only needed for distinguishing keyboard and process input. */ | |
334208b7 | 13130 | if (connection != 0) |
7a13e894 | 13131 | add_keyboard_wait_descriptor (connection); |
87485d6f | 13132 | #endif |
6d4238f3 | 13133 | |
041b69ac | 13134 | #ifndef F_SETOWN_BUG |
dc6f92b8 | 13135 | #ifdef F_SETOWN |
dc6f92b8 | 13136 | #ifdef F_SETOWN_SOCK_NEG |
61c3ce62 | 13137 | /* stdin is a socket here */ |
334208b7 | 13138 | fcntl (connection, F_SETOWN, -getpid ()); |
c118dd06 | 13139 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
334208b7 | 13140 | fcntl (connection, F_SETOWN, getpid ()); |
c118dd06 JB |
13141 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
13142 | #endif /* ! defined (F_SETOWN) */ | |
041b69ac | 13143 | #endif /* F_SETOWN_BUG */ |
dc6f92b8 JB |
13144 | |
13145 | #ifdef SIGIO | |
eee20f6a KH |
13146 | if (interrupt_input) |
13147 | init_sigio (connection); | |
c118dd06 | 13148 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 | 13149 | |
51b592fb | 13150 | #ifdef USE_LUCID |
f8c39f51 | 13151 | #ifdef HAVE_X11R5 /* It seems X11R4 lacks XtCvtStringToFont, and XPointer. */ |
51b592fb RS |
13152 | /* Make sure that we have a valid font for dialog boxes |
13153 | so that Xt does not crash. */ | |
13154 | { | |
13155 | Display *dpy = dpyinfo->display; | |
13156 | XrmValue d, fr, to; | |
13157 | Font font; | |
e99db5a1 | 13158 | int count; |
51b592fb RS |
13159 | |
13160 | d.addr = (XPointer)&dpy; | |
13161 | d.size = sizeof (Display *); | |
13162 | fr.addr = XtDefaultFont; | |
13163 | fr.size = sizeof (XtDefaultFont); | |
13164 | to.size = sizeof (Font *); | |
13165 | to.addr = (XPointer)&font; | |
e99db5a1 | 13166 | count = x_catch_errors (dpy); |
51b592fb RS |
13167 | if (!XtCallConverter (dpy, XtCvtStringToFont, &d, 1, &fr, &to, NULL)) |
13168 | abort (); | |
13169 | if (x_had_errors_p (dpy) || !XQueryFont (dpy, font)) | |
13170 | XrmPutLineResource (&xrdb, "Emacs.dialog.*.font: 9x15"); | |
e99db5a1 | 13171 | x_uncatch_errors (dpy, count); |
51b592fb RS |
13172 | } |
13173 | #endif | |
f8c39f51 | 13174 | #endif |
51b592fb | 13175 | |
34e23e5a GM |
13176 | /* See if we should run in synchronous mode. This is useful |
13177 | for debugging X code. */ | |
13178 | { | |
13179 | Lisp_Object value; | |
13180 | value = display_x_get_resource (dpyinfo, | |
13181 | build_string ("synchronous"), | |
13182 | build_string ("Synchronous"), | |
13183 | Qnil, Qnil); | |
13184 | if (STRINGP (value) | |
13185 | && (!strcmp (XSTRING (value)->data, "true") | |
13186 | || !strcmp (XSTRING (value)->data, "on"))) | |
13187 | XSynchronize (dpyinfo->display, True); | |
13188 | } | |
13189 | ||
60439948 KH |
13190 | UNBLOCK_INPUT; |
13191 | ||
7a13e894 RS |
13192 | return dpyinfo; |
13193 | } | |
13194 | \f | |
13195 | /* Get rid of display DPYINFO, assuming all frames are already gone, | |
13196 | and without sending any more commands to the X server. */ | |
dc6f92b8 | 13197 | |
7a13e894 RS |
13198 | void |
13199 | x_delete_display (dpyinfo) | |
13200 | struct x_display_info *dpyinfo; | |
13201 | { | |
13202 | delete_keyboard_wait_descriptor (dpyinfo->connection); | |
13203 | ||
13204 | /* Discard this display from x_display_name_list and x_display_list. | |
13205 | We can't use Fdelq because that can quit. */ | |
13206 | if (! NILP (x_display_name_list) | |
8e713be6 KR |
13207 | && EQ (XCAR (x_display_name_list), dpyinfo->name_list_element)) |
13208 | x_display_name_list = XCDR (x_display_name_list); | |
7a13e894 RS |
13209 | else |
13210 | { | |
13211 | Lisp_Object tail; | |
13212 | ||
13213 | tail = x_display_name_list; | |
8e713be6 | 13214 | while (CONSP (tail) && CONSP (XCDR (tail))) |
7a13e894 | 13215 | { |
bffcfca9 | 13216 | if (EQ (XCAR (XCDR (tail)), dpyinfo->name_list_element)) |
7a13e894 | 13217 | { |
8e713be6 | 13218 | XCDR (tail) = XCDR (XCDR (tail)); |
7a13e894 RS |
13219 | break; |
13220 | } | |
8e713be6 | 13221 | tail = XCDR (tail); |
7a13e894 RS |
13222 | } |
13223 | } | |
13224 | ||
9bda743f GM |
13225 | if (next_noop_dpyinfo == dpyinfo) |
13226 | next_noop_dpyinfo = dpyinfo->next; | |
13227 | ||
7a13e894 RS |
13228 | if (x_display_list == dpyinfo) |
13229 | x_display_list = dpyinfo->next; | |
7f9c7f94 RS |
13230 | else |
13231 | { | |
13232 | struct x_display_info *tail; | |
7a13e894 | 13233 | |
7f9c7f94 RS |
13234 | for (tail = x_display_list; tail; tail = tail->next) |
13235 | if (tail->next == dpyinfo) | |
13236 | tail->next = tail->next->next; | |
13237 | } | |
7a13e894 | 13238 | |
0d777288 RS |
13239 | #ifndef USE_X_TOOLKIT /* I'm told Xt does this itself. */ |
13240 | #ifndef AIX /* On AIX, XCloseDisplay calls this. */ | |
7f9c7f94 RS |
13241 | XrmDestroyDatabase (dpyinfo->xrdb); |
13242 | #endif | |
0d777288 | 13243 | #endif |
29b38361 KH |
13244 | #ifdef MULTI_KBOARD |
13245 | if (--dpyinfo->kboard->reference_count == 0) | |
39f79001 | 13246 | delete_kboard (dpyinfo->kboard); |
b9737ad3 | 13247 | #endif |
f5d11644 GM |
13248 | #ifdef HAVE_X_I18N |
13249 | if (dpyinfo->xim) | |
13250 | xim_close_dpy (dpyinfo); | |
13251 | #endif | |
13252 | ||
b9737ad3 KH |
13253 | xfree (dpyinfo->font_table); |
13254 | xfree (dpyinfo->x_id_name); | |
13255 | xfree (dpyinfo); | |
7a13e894 RS |
13256 | } |
13257 | \f | |
13258 | /* Set up use of X before we make the first connection. */ | |
13259 | ||
06a2c219 GM |
13260 | static struct redisplay_interface x_redisplay_interface = |
13261 | { | |
13262 | x_produce_glyphs, | |
13263 | x_write_glyphs, | |
13264 | x_insert_glyphs, | |
13265 | x_clear_end_of_line, | |
13266 | x_scroll_run, | |
13267 | x_after_update_window_line, | |
13268 | x_update_window_begin, | |
13269 | x_update_window_end, | |
13270 | XTcursor_to, | |
13271 | x_flush, | |
66ac4b0e GM |
13272 | x_get_glyph_overhangs, |
13273 | x_fix_overlapping_area | |
06a2c219 GM |
13274 | }; |
13275 | ||
dfcf069d | 13276 | void |
7a13e894 RS |
13277 | x_initialize () |
13278 | { | |
06a2c219 GM |
13279 | rif = &x_redisplay_interface; |
13280 | ||
13281 | clear_frame_hook = x_clear_frame; | |
13282 | ins_del_lines_hook = x_ins_del_lines; | |
13283 | change_line_highlight_hook = x_change_line_highlight; | |
13284 | delete_glyphs_hook = x_delete_glyphs; | |
dc6f92b8 JB |
13285 | ring_bell_hook = XTring_bell; |
13286 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
13287 | set_terminal_modes_hook = XTset_terminal_modes; | |
06a2c219 GM |
13288 | update_begin_hook = x_update_begin; |
13289 | update_end_hook = x_update_end; | |
dc6f92b8 JB |
13290 | set_terminal_window_hook = XTset_terminal_window; |
13291 | read_socket_hook = XTread_socket; | |
b8009dd1 | 13292 | frame_up_to_date_hook = XTframe_up_to_date; |
dc6f92b8 | 13293 | reassert_line_highlight_hook = XTreassert_line_highlight; |
90e65f07 | 13294 | mouse_position_hook = XTmouse_position; |
f451eb13 | 13295 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 13296 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
13297 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
13298 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
13299 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
13300 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
06a2c219 | 13301 | estimate_mode_line_height_hook = x_estimate_mode_line_height; |
58769bee | 13302 | |
f676886a | 13303 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
13304 | char_ins_del_ok = 0; /* just as fast to write the line */ |
13305 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
13306 | fast_clear_end_of_line = 1; /* X does this well */ | |
58769bee | 13307 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
13308 | off the bottom */ |
13309 | baud_rate = 19200; | |
13310 | ||
7a13e894 | 13311 | x_noop_count = 0; |
9ea173e8 | 13312 | last_tool_bar_item = -1; |
06a2c219 GM |
13313 | any_help_event_p = 0; |
13314 | ||
b30b24cb RS |
13315 | /* Try to use interrupt input; if we can't, then start polling. */ |
13316 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
13317 | ||
7f9c7f94 RS |
13318 | #ifdef USE_X_TOOLKIT |
13319 | XtToolkitInitialize (); | |
13320 | Xt_app_con = XtCreateApplicationContext (); | |
665881ad | 13321 | XtAppSetFallbackResources (Xt_app_con, Xt_default_resources); |
bffcfca9 GM |
13322 | |
13323 | /* Install an asynchronous timer that processes Xt timeout events | |
13324 | every 0.1s. This is necessary because some widget sets use | |
13325 | timeouts internally, for example the LessTif menu bar, or the | |
13326 | Xaw3d scroll bar. When Xt timouts aren't processed, these | |
13327 | widgets don't behave normally. */ | |
13328 | { | |
13329 | EMACS_TIME interval; | |
13330 | EMACS_SET_SECS_USECS (interval, 0, 100000); | |
13331 | start_atimer (ATIMER_CONTINUOUS, interval, x_process_timeouts, 0); | |
13332 | } | |
db74249b | 13333 | #endif |
bffcfca9 | 13334 | |
db74249b | 13335 | #if USE_TOOLKIT_SCROLL_BARS |
ec18280f SM |
13336 | xaw3d_arrow_scroll = False; |
13337 | xaw3d_pick_top = True; | |
7f9c7f94 RS |
13338 | #endif |
13339 | ||
58769bee | 13340 | /* Note that there is no real way portable across R3/R4 to get the |
c118dd06 | 13341 | original error handler. */ |
e99db5a1 | 13342 | XSetErrorHandler (x_error_handler); |
334208b7 | 13343 | XSetIOErrorHandler (x_io_error_quitter); |
dc6f92b8 | 13344 | |
06a2c219 | 13345 | /* Disable Window Change signals; they are handled by X events. */ |
dc6f92b8 JB |
13346 | #ifdef SIGWINCH |
13347 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 13348 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 13349 | |
92e2441b | 13350 | signal (SIGPIPE, x_connection_signal); |
dc6f92b8 | 13351 | } |
55123275 | 13352 | |
06a2c219 | 13353 | |
55123275 JB |
13354 | void |
13355 | syms_of_xterm () | |
13356 | { | |
e99db5a1 RS |
13357 | staticpro (&x_error_message_string); |
13358 | x_error_message_string = Qnil; | |
13359 | ||
7a13e894 RS |
13360 | staticpro (&x_display_name_list); |
13361 | x_display_name_list = Qnil; | |
334208b7 | 13362 | |
ab648270 | 13363 | staticpro (&last_mouse_scroll_bar); |
e53cb100 | 13364 | last_mouse_scroll_bar = Qnil; |
59e755be KH |
13365 | |
13366 | staticpro (&Qvendor_specific_keysyms); | |
13367 | Qvendor_specific_keysyms = intern ("vendor-specific-keysyms"); | |
2237cac9 RS |
13368 | |
13369 | staticpro (&last_mouse_press_frame); | |
13370 | last_mouse_press_frame = Qnil; | |
06a2c219 GM |
13371 | |
13372 | staticpro (&help_echo); | |
13373 | help_echo = Qnil; | |
13374 | staticpro (&previous_help_echo); | |
13375 | previous_help_echo = Qnil; | |
13376 | ||
13377 | DEFVAR_BOOL ("x-stretch-cursor", &x_stretch_cursor_p, | |
13378 | "*Non-nil means draw block cursor as wide as the glyph under it.\n\ | |
13379 | For example, if a block cursor is over a tab, it will be drawn as\n\ | |
13380 | wide as that tab on the display."); | |
13381 | x_stretch_cursor_p = 0; | |
13382 | ||
13383 | DEFVAR_BOOL ("x-toolkit-scroll-bars-p", &x_toolkit_scroll_bars_p, | |
13384 | "If not nil, Emacs uses toolkit scroll bars."); | |
13385 | #if USE_TOOLKIT_SCROLL_BARS | |
13386 | x_toolkit_scroll_bars_p = 1; | |
13387 | #else | |
13388 | x_toolkit_scroll_bars_p = 0; | |
13389 | #endif | |
13390 | ||
06a2c219 GM |
13391 | staticpro (&last_mouse_motion_frame); |
13392 | last_mouse_motion_frame = Qnil; | |
55123275 | 13393 | } |
6cf0ae86 RS |
13394 | |
13395 | #endif /* not HAVE_X_WINDOWS */ | |
06a2c219 | 13396 |