Commit | Line | Data |
---|---|---|
01f1ba30 | 1 | /* Functions for the X window system. |
9b8a0941 | 2 | Copyright (C) 1989, 92, 93, 94, 95, 96, 97, 98, 99, 2000, 01, 02, 03 |
333b20bb | 3 | Free Software Foundation. |
01f1ba30 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 | |
1113d9db | 9 | the Free Software Foundation; either version 2, or (at your option) |
01f1ba30 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. */ | |
01f1ba30 | 21 | |
c389a86d | 22 | #include <config.h> |
68c45bf0 | 23 | #include <signal.h> |
333b20bb | 24 | #include <stdio.h> |
d62c8769 | 25 | #include <math.h> |
c389a86d | 26 | |
3ecaf7e5 RS |
27 | #ifdef HAVE_UNISTD_H |
28 | #include <unistd.h> | |
29 | #endif | |
30 | ||
40e6f148 | 31 | /* This makes the fields of a Display accessible, in Xlib header files. */ |
333b20bb | 32 | |
40e6f148 RS |
33 | #define XLIB_ILLEGAL_ACCESS |
34 | ||
01f1ba30 JB |
35 | #include "lisp.h" |
36 | #include "xterm.h" | |
f676886a | 37 | #include "frame.h" |
01f1ba30 JB |
38 | #include "window.h" |
39 | #include "buffer.h" | |
58cad5ed | 40 | #include "intervals.h" |
01f1ba30 | 41 | #include "dispextern.h" |
1f98fa48 | 42 | #include "keyboard.h" |
9ac0d9e0 | 43 | #include "blockinput.h" |
57bda87a | 44 | #include <epaths.h> |
942ea06d | 45 | #include "charset.h" |
96db09e4 | 46 | #include "coding.h" |
942ea06d | 47 | #include "fontset.h" |
333b20bb GM |
48 | #include "systime.h" |
49 | #include "termhooks.h" | |
4ae9a85e | 50 | #include "atimer.h" |
01f1ba30 JB |
51 | |
52 | #ifdef HAVE_X_WINDOWS | |
67ba84d1 | 53 | |
67ba84d1 | 54 | #include <ctype.h> |
63cec32f GM |
55 | #include <sys/types.h> |
56 | #include <sys/stat.h> | |
01f1ba30 | 57 | |
0a93081c | 58 | #ifndef VMS |
0505a740 | 59 | #if 1 /* Used to be #ifdef EMACS_BITMAP_FILES, but this should always work. */ |
ef493a27 RS |
60 | #include "bitmaps/gray.xbm" |
61 | #else | |
dbc4e1c1 | 62 | #include <X11/bitmaps/gray> |
ef493a27 | 63 | #endif |
0a93081c JB |
64 | #else |
65 | #include "[.bitmaps]gray.xbm" | |
66 | #endif | |
dbc4e1c1 | 67 | |
488dd4c4 JD |
68 | #ifdef USE_GTK |
69 | #include "gtkutil.h" | |
70 | #endif | |
71 | ||
9ef48a9d RS |
72 | #ifdef USE_X_TOOLKIT |
73 | #include <X11/Shell.h> | |
74 | ||
398ffa92 | 75 | #ifndef USE_MOTIF |
9ef48a9d RS |
76 | #include <X11/Xaw/Paned.h> |
77 | #include <X11/Xaw/Label.h> | |
398ffa92 | 78 | #endif /* USE_MOTIF */ |
9ef48a9d RS |
79 | |
80 | #ifdef USG | |
81 | #undef USG /* ####KLUDGE for Solaris 2.2 and up */ | |
82 | #include <X11/Xos.h> | |
83 | #define USG | |
84 | #else | |
85 | #include <X11/Xos.h> | |
86 | #endif | |
87 | ||
88 | #include "widget.h" | |
89 | ||
90 | #include "../lwlib/lwlib.h" | |
91 | ||
333b20bb GM |
92 | #ifdef USE_MOTIF |
93 | #include <Xm/Xm.h> | |
94 | #include <Xm/DialogS.h> | |
95 | #include <Xm/FileSB.h> | |
96 | #endif | |
97 | ||
3b882b1d RS |
98 | /* Do the EDITRES protocol if running X11R5 |
99 | Exception: HP-UX (at least version A.09.05) has X11R5 without EditRes */ | |
333b20bb | 100 | |
3b882b1d | 101 | #if (XtSpecificationRelease >= 5) && !defined(NO_EDITRES) |
6c32dd68 | 102 | #define HACK_EDITRES |
b9dc4443 | 103 | extern void _XEditResCheckMessages (); |
6c32dd68 PR |
104 | #endif /* R5 + Athena */ |
105 | ||
333b20bb GM |
106 | /* Unique id counter for widgets created by the Lucid Widget Library. */ |
107 | ||
6c32dd68 PR |
108 | extern LWLIB_ID widget_id_tick; |
109 | ||
e3881aa0 | 110 | #ifdef USE_LUCID |
82c90203 | 111 | /* This is part of a kludge--see lwlib/xlwmenu.c. */ |
03e2c340 | 112 | extern XFontStruct *xlwmenu_default_font; |
e3881aa0 | 113 | #endif |
9ef48a9d | 114 | |
6bc20398 | 115 | extern void free_frame_menubar (); |
d62c8769 | 116 | extern double atof (); |
333b20bb | 117 | |
fc2cdd9a GM |
118 | #ifdef USE_MOTIF |
119 | ||
120 | /* LessTif/Motif version info. */ | |
121 | ||
122 | static Lisp_Object Vmotif_version_string; | |
123 | ||
124 | #endif /* USE_MOTIF */ | |
125 | ||
9ef48a9d RS |
126 | #endif /* USE_X_TOOLKIT */ |
127 | ||
8a16bd4f LK |
128 | #ifdef USE_GTK |
129 | ||
130 | /* GTK+ version info */ | |
131 | ||
132 | static Lisp_Object Vgtk_version_string; | |
133 | ||
134 | #endif /* USE_GTK */ | |
135 | ||
9d317b2c RS |
136 | #ifdef HAVE_X11R4 |
137 | #define MAXREQUEST(dpy) (XMaxRequestSize (dpy)) | |
138 | #else | |
139 | #define MAXREQUEST(dpy) ((dpy)->max_request_size) | |
140 | #endif | |
141 | ||
333b20bb GM |
142 | /* The gray bitmap `bitmaps/gray'. This is done because xterm.c uses |
143 | it, and including `bitmaps/gray' more than once is a problem when | |
144 | config.h defines `static' as an empty replacement string. */ | |
145 | ||
146 | int gray_bitmap_width = gray_width; | |
147 | int gray_bitmap_height = gray_height; | |
62906360 | 148 | char *gray_bitmap_bits = gray_bits; |
333b20bb | 149 | |
0af913d7 | 150 | /* Non-zero means we're allowed to display an hourglass cursor. */ |
333b20bb | 151 | |
0af913d7 | 152 | int display_hourglass_p; |
333b20bb | 153 | |
01f1ba30 | 154 | /* The background and shape of the mouse pointer, and shape when not |
b9dc4443 | 155 | over text or in the modeline. */ |
333b20bb | 156 | |
01f1ba30 | 157 | Lisp_Object Vx_pointer_shape, Vx_nontext_pointer_shape, Vx_mode_pointer_shape; |
0af913d7 | 158 | Lisp_Object Vx_hourglass_pointer_shape; |
333b20bb | 159 | |
ca0ecbf5 | 160 | /* The shape when over mouse-sensitive text. */ |
333b20bb | 161 | |
ca0ecbf5 | 162 | Lisp_Object Vx_sensitive_text_pointer_shape; |
01f1ba30 | 163 | |
8fb4ec9c GM |
164 | /* If non-nil, the pointer shape to indicate that windows can be |
165 | dragged horizontally. */ | |
166 | ||
167 | Lisp_Object Vx_window_horizontal_drag_shape; | |
168 | ||
b9dc4443 | 169 | /* Color of chars displayed in cursor box. */ |
333b20bb | 170 | |
01f1ba30 JB |
171 | Lisp_Object Vx_cursor_fore_pixel; |
172 | ||
b9dc4443 | 173 | /* Nonzero if using X. */ |
333b20bb | 174 | |
b9dc4443 | 175 | static int x_in_use; |
01f1ba30 | 176 | |
b9dc4443 | 177 | /* Non nil if no window manager is in use. */ |
333b20bb | 178 | |
01f1ba30 JB |
179 | Lisp_Object Vx_no_window_manager; |
180 | ||
f1c7b5a6 | 181 | /* Search path for bitmap files. */ |
333b20bb | 182 | |
f1c7b5a6 RS |
183 | Lisp_Object Vx_bitmap_file_path; |
184 | ||
942ea06d | 185 | /* Regexp matching a font name whose width is the same as `PIXEL_SIZE'. */ |
333b20bb | 186 | |
942ea06d KH |
187 | Lisp_Object Vx_pixel_size_width_font_regexp; |
188 | ||
baaed68e | 189 | Lisp_Object Qnone; |
8af1d7ca | 190 | Lisp_Object Qsuppress_icon; |
01f1ba30 | 191 | Lisp_Object Qundefined_color; |
7c0d3ed8 | 192 | Lisp_Object Qcenter; |
ae782866 | 193 | Lisp_Object Qcompound_text, Qcancel_timer; |
01f1ba30 | 194 | |
7c0d3ed8 | 195 | /* In dispnew.c */ |
f9942c9e | 196 | |
01f1ba30 JB |
197 | extern Lisp_Object Vwindow_system_version; |
198 | ||
7c0d3ed8 | 199 | /* The below are defined in frame.c. */ |
333b20bb | 200 | |
f1d2ce7f | 201 | #if GLYPH_DEBUG |
eaf1eea9 GM |
202 | int image_cache_refcount, dpyinfo_refcount; |
203 | #endif | |
204 | ||
205 | ||
01f1ba30 | 206 | \f |
11ae94fe | 207 | /* Error if we are not connected to X. */ |
333b20bb | 208 | |
7fc9de26 | 209 | void |
11ae94fe RS |
210 | check_x () |
211 | { | |
b9dc4443 | 212 | if (! x_in_use) |
11ae94fe RS |
213 | error ("X windows are not in use or not initialized"); |
214 | } | |
215 | ||
1c59f5df RS |
216 | /* Nonzero if we can use mouse menus. |
217 | You should not call this unless HAVE_MENUS is defined. */ | |
75cc8ee5 RS |
218 | |
219 | int | |
1c59f5df | 220 | have_menus_p () |
75cc8ee5 | 221 | { |
b9dc4443 RS |
222 | return x_in_use; |
223 | } | |
224 | ||
225 | /* Extract a frame as a FRAME_PTR, defaulting to the selected frame | |
226 | and checking validity for X. */ | |
227 | ||
228 | FRAME_PTR | |
229 | check_x_frame (frame) | |
230 | Lisp_Object frame; | |
231 | { | |
232 | FRAME_PTR f; | |
233 | ||
234 | if (NILP (frame)) | |
0fe92f72 | 235 | frame = selected_frame; |
b7826503 | 236 | CHECK_LIVE_FRAME (frame); |
0fe92f72 | 237 | f = XFRAME (frame); |
b9dc4443 | 238 | if (! FRAME_X_P (f)) |
1c59f5df | 239 | error ("Non-X frame used"); |
b9dc4443 | 240 | return f; |
75cc8ee5 RS |
241 | } |
242 | ||
b9dc4443 RS |
243 | /* Let the user specify an X display with a frame. |
244 | nil stands for the selected frame--or, if that is not an X frame, | |
245 | the first X display on the list. */ | |
246 | ||
7c0d3ed8 | 247 | struct x_display_info * |
b9dc4443 RS |
248 | check_x_display_info (frame) |
249 | Lisp_Object frame; | |
250 | { | |
8ec8a5ec | 251 | struct x_display_info *dpyinfo = NULL; |
177c0ea7 | 252 | |
b9dc4443 RS |
253 | if (NILP (frame)) |
254 | { | |
0fe92f72 | 255 | struct frame *sf = XFRAME (selected_frame); |
177c0ea7 | 256 | |
0fe92f72 | 257 | if (FRAME_X_P (sf) && FRAME_LIVE_P (sf)) |
8ec8a5ec | 258 | dpyinfo = FRAME_X_DISPLAY_INFO (sf); |
b9dc4443 | 259 | else if (x_display_list != 0) |
8ec8a5ec | 260 | dpyinfo = x_display_list; |
b9dc4443 RS |
261 | else |
262 | error ("X windows are not in use or not initialized"); | |
263 | } | |
264 | else if (STRINGP (frame)) | |
8ec8a5ec | 265 | dpyinfo = x_display_info_for_name (frame); |
b9dc4443 RS |
266 | else |
267 | { | |
ba4c10fd | 268 | FRAME_PTR f = check_x_frame (frame); |
8ec8a5ec | 269 | dpyinfo = FRAME_X_DISPLAY_INFO (f); |
b9dc4443 | 270 | } |
8ec8a5ec GM |
271 | |
272 | return dpyinfo; | |
b9dc4443 | 273 | } |
333b20bb | 274 | |
b9dc4443 | 275 | \f |
f676886a JB |
276 | /* Return the Emacs frame-object corresponding to an X window. |
277 | It could be the frame's main window or an icon window. */ | |
01f1ba30 | 278 | |
34ca5317 | 279 | /* This function can be called during GC, so use GC_xxx type test macros. */ |
bcb2db92 | 280 | |
f676886a | 281 | struct frame * |
2d271e2e KH |
282 | x_window_to_frame (dpyinfo, wdesc) |
283 | struct x_display_info *dpyinfo; | |
01f1ba30 JB |
284 | int wdesc; |
285 | { | |
f676886a JB |
286 | Lisp_Object tail, frame; |
287 | struct frame *f; | |
01f1ba30 | 288 | |
8e713be6 | 289 | for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail)) |
01f1ba30 | 290 | { |
8e713be6 | 291 | frame = XCAR (tail); |
34ca5317 | 292 | if (!GC_FRAMEP (frame)) |
01f1ba30 | 293 | continue; |
f676886a | 294 | f = XFRAME (frame); |
2d764c78 | 295 | if (!FRAME_X_P (f) || FRAME_X_DISPLAY_INFO (f) != dpyinfo) |
2d271e2e | 296 | continue; |
0af913d7 | 297 | if (f->output_data.x->hourglass_window == wdesc) |
17cbbf95 | 298 | return f; |
9ef48a9d | 299 | #ifdef USE_X_TOOLKIT |
177c0ea7 | 300 | if ((f->output_data.x->edit_widget |
7556890b | 301 | && XtWindow (f->output_data.x->edit_widget) == wdesc) |
333b20bb GM |
302 | /* A tooltip frame? */ |
303 | || (!f->output_data.x->edit_widget | |
304 | && FRAME_X_WINDOW (f) == wdesc) | |
7556890b | 305 | || f->output_data.x->icon_desc == wdesc) |
9ef48a9d RS |
306 | return f; |
307 | #else /* not USE_X_TOOLKIT */ | |
488dd4c4 JD |
308 | #ifdef USE_GTK |
309 | if (f->output_data.x->edit_widget) | |
310 | { | |
311 | GtkWidget *gwdesc = xg_win_to_widget (wdesc); | |
312 | struct x_output *x = f->output_data.x; | |
313 | if (gwdesc != 0 && gwdesc == x->edit_widget) | |
314 | return f; | |
315 | } | |
316 | #endif /* USE_GTK */ | |
fe24a618 | 317 | if (FRAME_X_WINDOW (f) == wdesc |
7556890b | 318 | || f->output_data.x->icon_desc == wdesc) |
f676886a | 319 | return f; |
9ef48a9d RS |
320 | #endif /* not USE_X_TOOLKIT */ |
321 | } | |
322 | return 0; | |
323 | } | |
324 | ||
488dd4c4 | 325 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
9ef48a9d RS |
326 | /* Like x_window_to_frame but also compares the window with the widget's |
327 | windows. */ | |
328 | ||
329 | struct frame * | |
2d271e2e KH |
330 | x_any_window_to_frame (dpyinfo, wdesc) |
331 | struct x_display_info *dpyinfo; | |
9ef48a9d RS |
332 | int wdesc; |
333 | { | |
334 | Lisp_Object tail, frame; | |
17cbbf95 | 335 | struct frame *f, *found; |
7556890b | 336 | struct x_output *x; |
9ef48a9d | 337 | |
17cbbf95 GM |
338 | found = NULL; |
339 | for (tail = Vframe_list; GC_CONSP (tail) && !found; tail = XCDR (tail)) | |
9ef48a9d | 340 | { |
8e713be6 | 341 | frame = XCAR (tail); |
34ca5317 | 342 | if (!GC_FRAMEP (frame)) |
9ef48a9d | 343 | continue; |
177c0ea7 | 344 | |
9ef48a9d | 345 | f = XFRAME (frame); |
17cbbf95 | 346 | if (FRAME_X_P (f) && FRAME_X_DISPLAY_INFO (f) == dpyinfo) |
333b20bb | 347 | { |
17cbbf95 GM |
348 | /* This frame matches if the window is any of its widgets. */ |
349 | x = f->output_data.x; | |
0af913d7 | 350 | if (x->hourglass_window == wdesc) |
17cbbf95 GM |
351 | found = f; |
352 | else if (x->widget) | |
353 | { | |
488dd4c4 JD |
354 | #ifdef USE_GTK |
355 | GtkWidget *gwdesc = xg_win_to_widget (wdesc); | |
356 | if (gwdesc != 0 | |
357 | && (gwdesc == x->widget | |
358 | || gwdesc == x->edit_widget | |
359 | || gwdesc == x->vbox_widget | |
360 | || gwdesc == x->menubar_widget)) | |
361 | found = f; | |
362 | #else | |
177c0ea7 JB |
363 | if (wdesc == XtWindow (x->widget) |
364 | || wdesc == XtWindow (x->column_widget) | |
17cbbf95 GM |
365 | || wdesc == XtWindow (x->edit_widget)) |
366 | found = f; | |
367 | /* Match if the window is this frame's menubar. */ | |
368 | else if (lw_window_is_in_menubar (wdesc, x->menubar_widget)) | |
369 | found = f; | |
488dd4c4 | 370 | #endif |
17cbbf95 GM |
371 | } |
372 | else if (FRAME_X_WINDOW (f) == wdesc) | |
373 | /* A tooltip frame. */ | |
374 | found = f; | |
333b20bb | 375 | } |
01f1ba30 | 376 | } |
177c0ea7 | 377 | |
17cbbf95 | 378 | return found; |
01f1ba30 | 379 | } |
5e65b9ab | 380 | |
5fbc3f3a KH |
381 | /* Likewise, but exclude the menu bar widget. */ |
382 | ||
383 | struct frame * | |
384 | x_non_menubar_window_to_frame (dpyinfo, wdesc) | |
385 | struct x_display_info *dpyinfo; | |
386 | int wdesc; | |
387 | { | |
388 | Lisp_Object tail, frame; | |
389 | struct frame *f; | |
7556890b | 390 | struct x_output *x; |
5fbc3f3a | 391 | |
8e713be6 | 392 | for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail)) |
5fbc3f3a | 393 | { |
8e713be6 | 394 | frame = XCAR (tail); |
5fbc3f3a KH |
395 | if (!GC_FRAMEP (frame)) |
396 | continue; | |
397 | f = XFRAME (frame); | |
2d764c78 | 398 | if (!FRAME_X_P (f) || FRAME_X_DISPLAY_INFO (f) != dpyinfo) |
5fbc3f3a | 399 | continue; |
7556890b | 400 | x = f->output_data.x; |
5fbc3f3a | 401 | /* This frame matches if the window is any of its widgets. */ |
0af913d7 | 402 | if (x->hourglass_window == wdesc) |
17cbbf95 GM |
403 | return f; |
404 | else if (x->widget) | |
333b20bb | 405 | { |
488dd4c4 JD |
406 | #ifdef USE_GTK |
407 | GtkWidget *gwdesc = xg_win_to_widget (wdesc); | |
408 | if (gwdesc != 0 | |
409 | && (gwdesc == x->widget | |
410 | || gwdesc == x->edit_widget | |
411 | || gwdesc == x->vbox_widget)) | |
412 | return f; | |
413 | #else | |
177c0ea7 JB |
414 | if (wdesc == XtWindow (x->widget) |
415 | || wdesc == XtWindow (x->column_widget) | |
333b20bb GM |
416 | || wdesc == XtWindow (x->edit_widget)) |
417 | return f; | |
488dd4c4 | 418 | #endif |
333b20bb GM |
419 | } |
420 | else if (FRAME_X_WINDOW (f) == wdesc) | |
421 | /* A tooltip frame. */ | |
5fbc3f3a KH |
422 | return f; |
423 | } | |
424 | return 0; | |
425 | } | |
426 | ||
fd3a3022 RS |
427 | /* Likewise, but consider only the menu bar widget. */ |
428 | ||
429 | struct frame * | |
430 | x_menubar_window_to_frame (dpyinfo, wdesc) | |
431 | struct x_display_info *dpyinfo; | |
432 | int wdesc; | |
433 | { | |
434 | Lisp_Object tail, frame; | |
435 | struct frame *f; | |
7556890b | 436 | struct x_output *x; |
fd3a3022 | 437 | |
8e713be6 | 438 | for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail)) |
fd3a3022 | 439 | { |
8e713be6 | 440 | frame = XCAR (tail); |
fd3a3022 RS |
441 | if (!GC_FRAMEP (frame)) |
442 | continue; | |
443 | f = XFRAME (frame); | |
2d764c78 | 444 | if (!FRAME_X_P (f) || FRAME_X_DISPLAY_INFO (f) != dpyinfo) |
fd3a3022 | 445 | continue; |
7556890b | 446 | x = f->output_data.x; |
fd3a3022 | 447 | /* Match if the window is this frame's menubar. */ |
488dd4c4 JD |
448 | #ifdef USE_GTK |
449 | if (x->menubar_widget) | |
450 | { | |
451 | GtkWidget *gwdesc = xg_win_to_widget (wdesc); | |
452 | int found = 0; | |
177c0ea7 | 453 | |
488dd4c4 JD |
454 | BLOCK_INPUT; |
455 | if (gwdesc != 0 | |
456 | && (gwdesc == x->menubar_widget | |
457 | || gtk_widget_get_parent (gwdesc) == x->menubar_widget)) | |
458 | found = 1; | |
459 | UNBLOCK_INPUT; | |
460 | if (found) return f; | |
461 | } | |
462 | #else | |
333b20bb GM |
463 | if (x->menubar_widget |
464 | && lw_window_is_in_menubar (wdesc, x->menubar_widget)) | |
fd3a3022 | 465 | return f; |
488dd4c4 | 466 | #endif |
fd3a3022 RS |
467 | } |
468 | return 0; | |
469 | } | |
470 | ||
5e65b9ab RS |
471 | /* Return the frame whose principal (outermost) window is WDESC. |
472 | If WDESC is some other (smaller) window, we return 0. */ | |
473 | ||
474 | struct frame * | |
2d271e2e KH |
475 | x_top_window_to_frame (dpyinfo, wdesc) |
476 | struct x_display_info *dpyinfo; | |
5e65b9ab RS |
477 | int wdesc; |
478 | { | |
479 | Lisp_Object tail, frame; | |
480 | struct frame *f; | |
7556890b | 481 | struct x_output *x; |
5e65b9ab | 482 | |
8e713be6 | 483 | for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail)) |
5e65b9ab | 484 | { |
8e713be6 | 485 | frame = XCAR (tail); |
34ca5317 | 486 | if (!GC_FRAMEP (frame)) |
5e65b9ab RS |
487 | continue; |
488 | f = XFRAME (frame); | |
2d764c78 | 489 | if (!FRAME_X_P (f) || FRAME_X_DISPLAY_INFO (f) != dpyinfo) |
2d271e2e | 490 | continue; |
7556890b | 491 | x = f->output_data.x; |
333b20bb GM |
492 | |
493 | if (x->widget) | |
494 | { | |
495 | /* This frame matches if the window is its topmost widget. */ | |
488dd4c4 JD |
496 | #ifdef USE_GTK |
497 | GtkWidget *gwdesc = xg_win_to_widget (wdesc); | |
498 | if (gwdesc == x->widget) | |
499 | return f; | |
500 | #else | |
333b20bb GM |
501 | if (wdesc == XtWindow (x->widget)) |
502 | return f; | |
7a994728 KH |
503 | #if 0 /* I don't know why it did this, |
504 | but it seems logically wrong, | |
505 | and it causes trouble for MapNotify events. */ | |
333b20bb | 506 | /* Match if the window is this frame's menubar. */ |
177c0ea7 | 507 | if (x->menubar_widget |
333b20bb GM |
508 | && wdesc == XtWindow (x->menubar_widget)) |
509 | return f; | |
488dd4c4 | 510 | #endif |
7a994728 | 511 | #endif |
333b20bb GM |
512 | } |
513 | else if (FRAME_X_WINDOW (f) == wdesc) | |
514 | /* Tooltip frame. */ | |
515 | return f; | |
5e65b9ab RS |
516 | } |
517 | return 0; | |
518 | } | |
488dd4c4 | 519 | #endif /* USE_X_TOOLKIT || USE_GTK */ |
01f1ba30 | 520 | |
01f1ba30 | 521 | \f |
203c1d73 RS |
522 | |
523 | /* Code to deal with bitmaps. Bitmaps are referenced by their bitmap | |
524 | id, which is just an int that this section returns. Bitmaps are | |
525 | reference counted so they can be shared among frames. | |
526 | ||
527 | Bitmap indices are guaranteed to be > 0, so a negative number can | |
528 | be used to indicate no bitmap. | |
529 | ||
530 | If you use x_create_bitmap_from_data, then you must keep track of | |
531 | the bitmaps yourself. That is, creating a bitmap from the same | |
b9dc4443 | 532 | data more than once will not be caught. */ |
203c1d73 RS |
533 | |
534 | ||
f1c7b5a6 RS |
535 | /* Functions to access the contents of a bitmap, given an id. */ |
536 | ||
537 | int | |
538 | x_bitmap_height (f, id) | |
539 | FRAME_PTR f; | |
540 | int id; | |
541 | { | |
08a90d6a | 542 | return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].height; |
f1c7b5a6 RS |
543 | } |
544 | ||
545 | int | |
546 | x_bitmap_width (f, id) | |
547 | FRAME_PTR f; | |
548 | int id; | |
549 | { | |
08a90d6a | 550 | return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].width; |
f1c7b5a6 RS |
551 | } |
552 | ||
553 | int | |
554 | x_bitmap_pixmap (f, id) | |
555 | FRAME_PTR f; | |
556 | int id; | |
557 | { | |
08a90d6a | 558 | return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].pixmap; |
f1c7b5a6 RS |
559 | } |
560 | ||
993d0721 JB |
561 | int |
562 | x_bitmap_mask (f, id) | |
563 | FRAME_PTR f; | |
564 | int id; | |
565 | { | |
566 | return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].mask; | |
567 | } | |
568 | ||
f1c7b5a6 | 569 | |
203c1d73 RS |
570 | /* Allocate a new bitmap record. Returns index of new record. */ |
571 | ||
572 | static int | |
08a90d6a RS |
573 | x_allocate_bitmap_record (f) |
574 | FRAME_PTR f; | |
203c1d73 | 575 | { |
08a90d6a RS |
576 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
577 | int i; | |
578 | ||
579 | if (dpyinfo->bitmaps == NULL) | |
203c1d73 | 580 | { |
08a90d6a RS |
581 | dpyinfo->bitmaps_size = 10; |
582 | dpyinfo->bitmaps | |
583 | = (struct x_bitmap_record *) xmalloc (dpyinfo->bitmaps_size * sizeof (struct x_bitmap_record)); | |
584 | dpyinfo->bitmaps_last = 1; | |
203c1d73 RS |
585 | return 1; |
586 | } | |
587 | ||
08a90d6a RS |
588 | if (dpyinfo->bitmaps_last < dpyinfo->bitmaps_size) |
589 | return ++dpyinfo->bitmaps_last; | |
203c1d73 | 590 | |
08a90d6a RS |
591 | for (i = 0; i < dpyinfo->bitmaps_size; ++i) |
592 | if (dpyinfo->bitmaps[i].refcount == 0) | |
593 | return i + 1; | |
203c1d73 | 594 | |
08a90d6a RS |
595 | dpyinfo->bitmaps_size *= 2; |
596 | dpyinfo->bitmaps | |
597 | = (struct x_bitmap_record *) xrealloc (dpyinfo->bitmaps, | |
598 | dpyinfo->bitmaps_size * sizeof (struct x_bitmap_record)); | |
599 | return ++dpyinfo->bitmaps_last; | |
203c1d73 RS |
600 | } |
601 | ||
602 | /* Add one reference to the reference count of the bitmap with id ID. */ | |
603 | ||
604 | void | |
f1c7b5a6 RS |
605 | x_reference_bitmap (f, id) |
606 | FRAME_PTR f; | |
203c1d73 RS |
607 | int id; |
608 | { | |
08a90d6a | 609 | ++FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].refcount; |
203c1d73 RS |
610 | } |
611 | ||
612 | /* Create a bitmap for frame F from a HEIGHT x WIDTH array of bits at BITS. */ | |
613 | ||
614 | int | |
615 | x_create_bitmap_from_data (f, bits, width, height) | |
616 | struct frame *f; | |
617 | char *bits; | |
618 | unsigned int width, height; | |
619 | { | |
08a90d6a | 620 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
203c1d73 RS |
621 | Pixmap bitmap; |
622 | int id; | |
623 | ||
b9dc4443 | 624 | bitmap = XCreateBitmapFromData (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
203c1d73 RS |
625 | bits, width, height); |
626 | ||
7c0d3ed8 KS |
627 | |
628 | ||
203c1d73 RS |
629 | if (! bitmap) |
630 | return -1; | |
631 | ||
08a90d6a RS |
632 | id = x_allocate_bitmap_record (f); |
633 | dpyinfo->bitmaps[id - 1].pixmap = bitmap; | |
97e7188e | 634 | dpyinfo->bitmaps[id - 1].have_mask = 0; |
08a90d6a RS |
635 | dpyinfo->bitmaps[id - 1].file = NULL; |
636 | dpyinfo->bitmaps[id - 1].refcount = 1; | |
637 | dpyinfo->bitmaps[id - 1].depth = 1; | |
638 | dpyinfo->bitmaps[id - 1].height = height; | |
639 | dpyinfo->bitmaps[id - 1].width = width; | |
203c1d73 RS |
640 | |
641 | return id; | |
642 | } | |
643 | ||
644 | /* Create bitmap from file FILE for frame F. */ | |
645 | ||
646 | int | |
647 | x_create_bitmap_from_file (f, file) | |
648 | struct frame *f; | |
f1c7b5a6 | 649 | Lisp_Object file; |
203c1d73 | 650 | { |
08a90d6a | 651 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
203c1d73 RS |
652 | unsigned int width, height; |
653 | Pixmap bitmap; | |
654 | int xhot, yhot, result, id; | |
f1c7b5a6 RS |
655 | Lisp_Object found; |
656 | int fd; | |
657 | char *filename; | |
203c1d73 RS |
658 | |
659 | /* Look for an existing bitmap with the same name. */ | |
08a90d6a | 660 | for (id = 0; id < dpyinfo->bitmaps_last; ++id) |
203c1d73 | 661 | { |
08a90d6a RS |
662 | if (dpyinfo->bitmaps[id].refcount |
663 | && dpyinfo->bitmaps[id].file | |
d5db4077 | 664 | && !strcmp (dpyinfo->bitmaps[id].file, (char *) SDATA (file))) |
203c1d73 | 665 | { |
08a90d6a | 666 | ++dpyinfo->bitmaps[id].refcount; |
203c1d73 RS |
667 | return id + 1; |
668 | } | |
669 | } | |
670 | ||
f1c7b5a6 | 671 | /* Search bitmap-file-path for the file, if appropriate. */ |
de2413e9 | 672 | fd = openp (Vx_bitmap_file_path, file, Qnil, &found, Qnil); |
f1c7b5a6 RS |
673 | if (fd < 0) |
674 | return -1; | |
68c45bf0 | 675 | emacs_close (fd); |
f1c7b5a6 | 676 | |
d5db4077 | 677 | filename = (char *) SDATA (found); |
f1c7b5a6 | 678 | |
b9dc4443 | 679 | result = XReadBitmapFile (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
f1c7b5a6 | 680 | filename, &width, &height, &bitmap, &xhot, &yhot); |
203c1d73 RS |
681 | if (result != BitmapSuccess) |
682 | return -1; | |
683 | ||
08a90d6a RS |
684 | id = x_allocate_bitmap_record (f); |
685 | dpyinfo->bitmaps[id - 1].pixmap = bitmap; | |
97e7188e | 686 | dpyinfo->bitmaps[id - 1].have_mask = 0; |
08a90d6a | 687 | dpyinfo->bitmaps[id - 1].refcount = 1; |
9f2a85b2 | 688 | dpyinfo->bitmaps[id - 1].file |
d5db4077 | 689 | = (char *) xmalloc (SBYTES (file) + 1); |
08a90d6a RS |
690 | dpyinfo->bitmaps[id - 1].depth = 1; |
691 | dpyinfo->bitmaps[id - 1].height = height; | |
692 | dpyinfo->bitmaps[id - 1].width = width; | |
d5db4077 | 693 | strcpy (dpyinfo->bitmaps[id - 1].file, SDATA (file)); |
203c1d73 RS |
694 | |
695 | return id; | |
696 | } | |
697 | ||
698 | /* Remove reference to bitmap with id number ID. */ | |
699 | ||
968b1234 | 700 | void |
f1c7b5a6 RS |
701 | x_destroy_bitmap (f, id) |
702 | FRAME_PTR f; | |
203c1d73 RS |
703 | int id; |
704 | { | |
08a90d6a RS |
705 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
706 | ||
203c1d73 RS |
707 | if (id > 0) |
708 | { | |
08a90d6a RS |
709 | --dpyinfo->bitmaps[id - 1].refcount; |
710 | if (dpyinfo->bitmaps[id - 1].refcount == 0) | |
203c1d73 | 711 | { |
ed662bdd | 712 | BLOCK_INPUT; |
08a90d6a | 713 | XFreePixmap (FRAME_X_DISPLAY (f), dpyinfo->bitmaps[id - 1].pixmap); |
97e7188e KH |
714 | if (dpyinfo->bitmaps[id - 1].have_mask) |
715 | XFreePixmap (FRAME_X_DISPLAY (f), dpyinfo->bitmaps[id - 1].mask); | |
08a90d6a | 716 | if (dpyinfo->bitmaps[id - 1].file) |
203c1d73 | 717 | { |
333b20bb | 718 | xfree (dpyinfo->bitmaps[id - 1].file); |
08a90d6a | 719 | dpyinfo->bitmaps[id - 1].file = NULL; |
203c1d73 | 720 | } |
ed662bdd | 721 | UNBLOCK_INPUT; |
203c1d73 RS |
722 | } |
723 | } | |
724 | } | |
725 | ||
08a90d6a | 726 | /* Free all the bitmaps for the display specified by DPYINFO. */ |
203c1d73 | 727 | |
08a90d6a RS |
728 | static void |
729 | x_destroy_all_bitmaps (dpyinfo) | |
730 | struct x_display_info *dpyinfo; | |
203c1d73 | 731 | { |
08a90d6a RS |
732 | int i; |
733 | for (i = 0; i < dpyinfo->bitmaps_last; i++) | |
734 | if (dpyinfo->bitmaps[i].refcount > 0) | |
735 | { | |
736 | XFreePixmap (dpyinfo->display, dpyinfo->bitmaps[i].pixmap); | |
97e7188e KH |
737 | if (dpyinfo->bitmaps[i].have_mask) |
738 | XFreePixmap (dpyinfo->display, dpyinfo->bitmaps[i].mask); | |
08a90d6a | 739 | if (dpyinfo->bitmaps[i].file) |
333b20bb | 740 | xfree (dpyinfo->bitmaps[i].file); |
08a90d6a RS |
741 | } |
742 | dpyinfo->bitmaps_last = 0; | |
203c1d73 RS |
743 | } |
744 | \f | |
01f1ba30 | 745 | |
993d0721 JB |
746 | |
747 | ||
748 | /* Useful functions defined in the section | |
749 | `Image type independent image structures' below. */ | |
750 | ||
751 | static unsigned long four_corners_best P_ ((XImage *ximg, unsigned long width, | |
752 | unsigned long height)); | |
753 | ||
754 | static int x_create_x_image_and_pixmap P_ ((struct frame *f, int width, int height, | |
755 | int depth, XImage **ximg, | |
756 | Pixmap *pixmap)); | |
757 | ||
758 | static void x_destroy_x_image P_ ((XImage *ximg)); | |
759 | ||
760 | ||
761 | /* Create a mask of a bitmap. Note is this not a perfect mask. | |
762 | It's nicer with some borders in this context */ | |
763 | ||
764 | int | |
765 | x_create_bitmap_mask(f, id) | |
766 | struct frame *f; | |
767 | int id; | |
768 | { | |
769 | Pixmap pixmap, mask; | |
770 | XImage *ximg, *mask_img; | |
771 | unsigned long width, height; | |
772 | int result; | |
773 | unsigned long bg; | |
774 | unsigned long x, y, xp, xm, yp, ym; | |
775 | GC gc; | |
776 | ||
777 | int depth = DefaultDepthOfScreen (FRAME_X_SCREEN (f)); | |
778 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
779 | ||
780 | if (!(id > 0)) | |
781 | return -1; | |
782 | ||
783 | pixmap = x_bitmap_pixmap(f, id); | |
784 | width = x_bitmap_width(f, id); | |
785 | height = x_bitmap_height(f, id); | |
786 | ||
787 | BLOCK_INPUT; | |
788 | ximg = XGetImage (FRAME_X_DISPLAY (f), pixmap, 0, 0, width, height, | |
789 | ~0, ZPixmap); | |
790 | ||
791 | if (!ximg) | |
792 | { | |
793 | UNBLOCK_INPUT; | |
794 | return -1; | |
795 | } | |
796 | ||
797 | result = x_create_x_image_and_pixmap (f, width, height, 1, &mask_img, &mask); | |
798 | ||
799 | UNBLOCK_INPUT; | |
800 | if (!result) | |
801 | { | |
802 | XDestroyImage(ximg); | |
803 | return -1; | |
804 | } | |
805 | ||
806 | bg = four_corners_best (ximg, width, height); | |
807 | ||
808 | for (y = 0; y < ximg->height; ++y) | |
809 | { | |
810 | for (x = 0; x < ximg->width; ++x) | |
811 | { | |
812 | xp = x != ximg->width - 1 ? x + 1 : 0; | |
813 | xm = x != 0 ? x - 1 : ximg->width - 1; | |
814 | yp = y != ximg->height - 1 ? y + 1 : 0; | |
815 | ym = y != 0 ? y - 1 : ximg->height - 1; | |
816 | if (XGetPixel (ximg, x, y) == bg | |
817 | && XGetPixel (ximg, x, yp) == bg | |
818 | && XGetPixel (ximg, x, ym) == bg | |
819 | && XGetPixel (ximg, xp, y) == bg | |
820 | && XGetPixel (ximg, xp, yp) == bg | |
821 | && XGetPixel (ximg, xp, ym) == bg | |
822 | && XGetPixel (ximg, xm, y) == bg | |
823 | && XGetPixel (ximg, xm, yp) == bg | |
824 | && XGetPixel (ximg, xm, ym) == bg) | |
825 | XPutPixel (mask_img, x, y, 0); | |
826 | else | |
827 | XPutPixel (mask_img, x, y, 1); | |
828 | } | |
829 | } | |
830 | ||
831 | xassert (interrupt_input_blocked); | |
832 | gc = XCreateGC (FRAME_X_DISPLAY (f), mask, 0, NULL); | |
833 | XPutImage (FRAME_X_DISPLAY (f), mask, gc, mask_img, 0, 0, 0, 0, | |
834 | width, height); | |
835 | XFreeGC (FRAME_X_DISPLAY (f), gc); | |
836 | ||
97e7188e | 837 | dpyinfo->bitmaps[id - 1].have_mask = 1; |
993d0721 JB |
838 | dpyinfo->bitmaps[id - 1].mask = mask; |
839 | ||
840 | XDestroyImage (ximg); | |
841 | x_destroy_x_image(mask_img); | |
842 | ||
843 | return 0; | |
844 | } | |
845 | ||
eaf1eea9 GM |
846 | static Lisp_Object unwind_create_frame P_ ((Lisp_Object)); |
847 | static Lisp_Object unwind_create_tip_frame P_ ((Lisp_Object)); | |
14819cb3 | 848 | static void x_disable_image P_ ((struct frame *, struct image *)); |
7c0d3ed8 | 849 | |
d62c8769 | 850 | void x_set_foreground_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
ea0a1f53 | 851 | static void x_set_wait_for_wm P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
d62c8769 GM |
852 | void x_set_background_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
853 | void x_set_mouse_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
854 | void x_set_cursor_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
855 | void x_set_border_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
856 | void x_set_cursor_type P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
857 | void x_set_icon_type P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
858 | void x_set_icon_name P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
d62c8769 | 859 | void x_explicitly_set_name P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
d62c8769 | 860 | void x_set_menu_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
d62c8769 | 861 | void x_set_title P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
9ea173e8 | 862 | void x_set_tool_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
333b20bb GM |
863 | void x_set_scroll_bar_foreground P_ ((struct frame *, Lisp_Object, |
864 | Lisp_Object)); | |
865 | void x_set_scroll_bar_background P_ ((struct frame *, Lisp_Object, | |
866 | Lisp_Object)); | |
867 | static Lisp_Object x_default_scroll_bar_color_parameter P_ ((struct frame *, | |
868 | Lisp_Object, | |
869 | Lisp_Object, | |
870 | char *, char *, | |
871 | int)); | |
4a8e312c GM |
872 | static void x_edge_detection P_ ((struct frame *, struct image *, Lisp_Object, |
873 | Lisp_Object)); | |
b243755a GM |
874 | static void init_color_table P_ ((void)); |
875 | static void free_color_table P_ ((void)); | |
876 | static unsigned long *colors_in_color_table P_ ((int *n)); | |
877 | static unsigned long lookup_rgb_color P_ ((struct frame *f, int r, int g, int b)); | |
878 | static unsigned long lookup_pixel_color P_ ((struct frame *f, unsigned long p)); | |
879 | ||
880 | ||
01f1ba30 | 881 | |
01f1ba30 | 882 | \f |
49d41073 | 883 | |
08a90d6a | 884 | /* Store the screen positions of frame F into XPTR and YPTR. |
e9445337 RS |
885 | These are the positions of the containing window manager window, |
886 | not Emacs's own window. */ | |
887 | ||
888 | void | |
889 | x_real_positions (f, xptr, yptr) | |
890 | FRAME_PTR f; | |
891 | int *xptr, *yptr; | |
892 | { | |
49d41073 EZ |
893 | int win_x, win_y, outer_x, outer_y; |
894 | int real_x = 0, real_y = 0; | |
895 | int had_errors = 0; | |
896 | Window win = f->output_data.x->parent_desc; | |
e9445337 | 897 | |
49d41073 | 898 | int count; |
043835a3 | 899 | |
49d41073 EZ |
900 | BLOCK_INPUT; |
901 | ||
902 | count = x_catch_errors (FRAME_X_DISPLAY (f)); | |
043835a3 | 903 | |
49d41073 EZ |
904 | if (win == FRAME_X_DISPLAY_INFO (f)->root_window) |
905 | win = FRAME_OUTER_WINDOW (f); | |
906 | ||
907 | /* This loop traverses up the containment tree until we hit the root | |
908 | window. Window managers may intersect many windows between our window | |
909 | and the root window. The window we find just before the root window | |
910 | should be the outer WM window. */ | |
911 | for (;;) | |
e9445337 | 912 | { |
49d41073 EZ |
913 | Window wm_window, rootw; |
914 | Window *tmp_children; | |
915 | unsigned int tmp_nchildren; | |
e7161ad9 | 916 | int success; |
ca7bac79 | 917 | |
e7161ad9 RS |
918 | success = XQueryTree (FRAME_X_DISPLAY (f), win, &rootw, |
919 | &wm_window, &tmp_children, &tmp_nchildren); | |
08a90d6a | 920 | |
49d41073 | 921 | had_errors = x_had_errors_p (FRAME_X_DISPLAY (f)); |
08a90d6a | 922 | |
e7161ad9 RS |
923 | /* Don't free tmp_children if XQueryTree failed. */ |
924 | if (! success) | |
925 | break; | |
926 | ||
927 | XFree ((char *) tmp_children); | |
928 | ||
49d41073 EZ |
929 | if (wm_window == rootw || had_errors) |
930 | break; | |
08a90d6a | 931 | |
49d41073 EZ |
932 | win = wm_window; |
933 | } | |
177c0ea7 | 934 | |
49d41073 EZ |
935 | if (! had_errors) |
936 | { | |
937 | int ign; | |
938 | Window child, rootw; | |
177c0ea7 | 939 | |
49d41073 EZ |
940 | /* Get the real coordinates for the WM window upper left corner */ |
941 | XGetGeometry (FRAME_X_DISPLAY (f), win, | |
942 | &rootw, &real_x, &real_y, &ign, &ign, &ign, &ign); | |
943 | ||
944 | /* Translate real coordinates to coordinates relative to our | |
945 | window. For our window, the upper left corner is 0, 0. | |
946 | Since the upper left corner of the WM window is outside | |
947 | our window, win_x and win_y will be negative: | |
948 | ||
949 | ------------------ ---> x | |
950 | | title | | |
951 | | ----------------- v y | |
952 | | | our window | |
953 | */ | |
8a07bba0 | 954 | XTranslateCoordinates (FRAME_X_DISPLAY (f), |
e9445337 | 955 | |
8a07bba0 | 956 | /* From-window, to-window. */ |
8a07bba0 | 957 | FRAME_X_DISPLAY_INFO (f)->root_window, |
49d41073 | 958 | FRAME_X_WINDOW (f), |
e9445337 | 959 | |
8a07bba0 | 960 | /* From-position, to-position. */ |
49d41073 | 961 | real_x, real_y, &win_x, &win_y, |
08a90d6a | 962 | |
8a07bba0 RS |
963 | /* Child of win. */ |
964 | &child); | |
e9445337 | 965 | |
49d41073 | 966 | if (FRAME_X_WINDOW (f) == FRAME_OUTER_WINDOW (f)) |
845e9d85 | 967 | { |
49d41073 EZ |
968 | outer_x = win_x; |
969 | outer_y = win_y; | |
845e9d85 | 970 | } |
49d41073 EZ |
971 | else |
972 | { | |
973 | XTranslateCoordinates (FRAME_X_DISPLAY (f), | |
ca7bac79 | 974 | |
49d41073 EZ |
975 | /* From-window, to-window. */ |
976 | FRAME_X_DISPLAY_INFO (f)->root_window, | |
977 | FRAME_OUTER_WINDOW (f), | |
177c0ea7 | 978 | |
49d41073 EZ |
979 | /* From-position, to-position. */ |
980 | real_x, real_y, &outer_x, &outer_y, | |
177c0ea7 | 981 | |
49d41073 EZ |
982 | /* Child of win. */ |
983 | &child); | |
be786000 | 984 | } |
08a90d6a | 985 | |
49d41073 EZ |
986 | had_errors = x_had_errors_p (FRAME_X_DISPLAY (f)); |
987 | } | |
177c0ea7 | 988 | |
49d41073 | 989 | x_uncatch_errors (FRAME_X_DISPLAY (f), count); |
177c0ea7 | 990 | |
49d41073 EZ |
991 | UNBLOCK_INPUT; |
992 | ||
993 | if (had_errors) return; | |
177c0ea7 | 994 | |
be786000 KS |
995 | f->x_pixels_diff = -win_x; |
996 | f->y_pixels_diff = -win_y; | |
997 | ||
998 | FRAME_X_OUTPUT (f)->x_pixels_outer_diff = -outer_x; | |
999 | FRAME_X_OUTPUT (f)->y_pixels_outer_diff = -outer_y; | |
49d41073 EZ |
1000 | |
1001 | *xptr = real_x; | |
1002 | *yptr = real_y; | |
e9445337 RS |
1003 | } |
1004 | ||
01f1ba30 | 1005 | \f |
82978295 | 1006 | |
d62c8769 GM |
1007 | |
1008 | /* Gamma-correct COLOR on frame F. */ | |
1009 | ||
1010 | void | |
1011 | gamma_correct (f, color) | |
1012 | struct frame *f; | |
1013 | XColor *color; | |
1014 | { | |
1015 | if (f->gamma) | |
1016 | { | |
1017 | color->red = pow (color->red / 65535.0, f->gamma) * 65535.0 + 0.5; | |
1018 | color->green = pow (color->green / 65535.0, f->gamma) * 65535.0 + 0.5; | |
1019 | color->blue = pow (color->blue / 65535.0, f->gamma) * 65535.0 + 0.5; | |
1020 | } | |
1021 | } | |
1022 | ||
1023 | ||
7b746c38 GM |
1024 | /* Decide if color named COLOR_NAME is valid for use on frame F. If |
1025 | so, return the RGB values in COLOR. If ALLOC_P is non-zero, | |
1026 | allocate the color. Value is zero if COLOR_NAME is invalid, or | |
1027 | no color could be allocated. */ | |
e12d55b2 | 1028 | |
01f1ba30 | 1029 | int |
7b746c38 GM |
1030 | x_defined_color (f, color_name, color, alloc_p) |
1031 | struct frame *f; | |
1032 | char *color_name; | |
1033 | XColor *color; | |
1034 | int alloc_p; | |
01f1ba30 | 1035 | { |
7b746c38 GM |
1036 | int success_p; |
1037 | Display *dpy = FRAME_X_DISPLAY (f); | |
1038 | Colormap cmap = FRAME_X_COLORMAP (f); | |
01f1ba30 JB |
1039 | |
1040 | BLOCK_INPUT; | |
7b746c38 GM |
1041 | success_p = XParseColor (dpy, cmap, color_name, color); |
1042 | if (success_p && alloc_p) | |
1043 | success_p = x_alloc_nearest_color (f, cmap, color); | |
01f1ba30 JB |
1044 | UNBLOCK_INPUT; |
1045 | ||
7b746c38 | 1046 | return success_p; |
01f1ba30 JB |
1047 | } |
1048 | ||
9b2956e2 GM |
1049 | |
1050 | /* Return the pixel color value for color COLOR_NAME on frame F. If F | |
1051 | is a monochrome frame, return MONO_COLOR regardless of what ARG says. | |
1052 | Signal an error if color can't be allocated. */ | |
01f1ba30 JB |
1053 | |
1054 | int | |
9b2956e2 | 1055 | x_decode_color (f, color_name, mono_color) |
b9dc4443 | 1056 | FRAME_PTR f; |
9b2956e2 GM |
1057 | Lisp_Object color_name; |
1058 | int mono_color; | |
01f1ba30 | 1059 | { |
b9dc4443 | 1060 | XColor cdef; |
01f1ba30 | 1061 | |
b7826503 | 1062 | CHECK_STRING (color_name); |
01f1ba30 | 1063 | |
9b2956e2 GM |
1064 | #if 0 /* Don't do this. It's wrong when we're not using the default |
1065 | colormap, it makes freeing difficult, and it's probably not | |
1066 | an important optimization. */ | |
d5db4077 | 1067 | if (strcmp (SDATA (color_name), "black") == 0) |
b9dc4443 | 1068 | return BLACK_PIX_DEFAULT (f); |
d5db4077 | 1069 | else if (strcmp (SDATA (color_name), "white") == 0) |
b9dc4443 | 1070 | return WHITE_PIX_DEFAULT (f); |
9b2956e2 | 1071 | #endif |
01f1ba30 | 1072 | |
9b2956e2 | 1073 | /* Return MONO_COLOR for monochrome frames. */ |
b9dc4443 | 1074 | if (FRAME_X_DISPLAY_INFO (f)->n_planes == 1) |
9b2956e2 | 1075 | return mono_color; |
01f1ba30 | 1076 | |
2d764c78 | 1077 | /* x_defined_color is responsible for coping with failures |
95626e11 | 1078 | by looking for a near-miss. */ |
d5db4077 | 1079 | if (x_defined_color (f, SDATA (color_name), &cdef, 1)) |
95626e11 RS |
1080 | return cdef.pixel; |
1081 | ||
c301be26 GM |
1082 | Fsignal (Qerror, Fcons (build_string ("Undefined color"), |
1083 | Fcons (color_name, Qnil))); | |
1084 | return 0; | |
01f1ba30 | 1085 | } |
9b2956e2 GM |
1086 | |
1087 | ||
01f1ba30 | 1088 | \f |
ea0a1f53 GM |
1089 | /* Change the `wait-for-wm' frame parameter of frame F. OLD_VALUE is |
1090 | the previous value of that parameter, NEW_VALUE is the new value. | |
1091 | See also the comment of wait_for_wm in struct x_output. */ | |
1092 | ||
1093 | static void | |
1094 | x_set_wait_for_wm (f, new_value, old_value) | |
1095 | struct frame *f; | |
1096 | Lisp_Object new_value, old_value; | |
1097 | { | |
1098 | f->output_data.x->wait_for_wm = !NILP (new_value); | |
1099 | } | |
1100 | ||
993d0721 JB |
1101 | #ifdef USE_GTK |
1102 | ||
465aa50a JD |
1103 | static Lisp_Object x_find_image_file P_ ((Lisp_Object file)); |
1104 | ||
1105 | /* Set icon from FILE for frame F. By using GTK functions the icon | |
1106 | may be any format that GdkPixbuf knows about, i.e. not just bitmaps. */ | |
993d0721 JB |
1107 | |
1108 | int | |
1109 | xg_set_icon(f, file) | |
465aa50a | 1110 | FRAME_PTR f; |
993d0721 JB |
1111 | Lisp_Object file; |
1112 | { | |
465aa50a JD |
1113 | struct gcpro gcpro1; |
1114 | int result = 0; | |
1115 | Lisp_Object found; | |
993d0721 | 1116 | |
465aa50a | 1117 | GCPRO1 (found); |
993d0721 | 1118 | |
465aa50a JD |
1119 | found = x_find_image_file (file); |
1120 | ||
1121 | if (! NILP (found)) | |
1122 | { | |
1123 | GdkPixbuf *pixbuf; | |
1124 | GError *err = NULL; | |
1125 | char *filename; | |
1126 | ||
1127 | filename = SDATA (found); | |
1128 | BLOCK_INPUT; | |
1129 | ||
1130 | pixbuf = gdk_pixbuf_new_from_file (filename, &err); | |
1131 | ||
1132 | if (pixbuf) | |
1133 | { | |
1134 | gtk_window_set_icon (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)), | |
1135 | pixbuf); | |
1136 | g_object_unref (pixbuf); | |
1137 | ||
1138 | result = 1; | |
1139 | } | |
1140 | else | |
1141 | g_error_free (err); | |
1142 | ||
1143 | UNBLOCK_INPUT; | |
1144 | } | |
1145 | ||
1146 | UNGCPRO; | |
1147 | return result; | |
993d0721 JB |
1148 | } |
1149 | #endif /* USE_GTK */ | |
1150 | ||
ea0a1f53 | 1151 | |
f676886a | 1152 | /* Functions called only from `x_set_frame_param' |
01f1ba30 JB |
1153 | to set individual parameters. |
1154 | ||
fe24a618 | 1155 | If FRAME_X_WINDOW (f) is 0, |
f676886a | 1156 | the frame is being created and its X-window does not exist yet. |
01f1ba30 JB |
1157 | In that case, just record the parameter's new value |
1158 | in the standard place; do not attempt to change the window. */ | |
1159 | ||
1160 | void | |
f676886a JB |
1161 | x_set_foreground_color (f, arg, oldval) |
1162 | struct frame *f; | |
01f1ba30 JB |
1163 | Lisp_Object arg, oldval; |
1164 | { | |
09393d07 GM |
1165 | struct x_output *x = f->output_data.x; |
1166 | unsigned long fg, old_fg; | |
a76206dc | 1167 | |
09393d07 GM |
1168 | fg = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f)); |
1169 | old_fg = x->foreground_pixel; | |
1170 | x->foreground_pixel = fg; | |
a76206dc | 1171 | |
fe24a618 | 1172 | if (FRAME_X_WINDOW (f) != 0) |
01f1ba30 | 1173 | { |
09393d07 | 1174 | Display *dpy = FRAME_X_DISPLAY (f); |
177c0ea7 | 1175 | |
09393d07 GM |
1176 | BLOCK_INPUT; |
1177 | XSetForeground (dpy, x->normal_gc, fg); | |
1178 | XSetBackground (dpy, x->reverse_gc, fg); | |
36d42089 | 1179 | |
09393d07 GM |
1180 | if (x->cursor_pixel == old_fg) |
1181 | { | |
1182 | unload_color (f, x->cursor_pixel); | |
1183 | x->cursor_pixel = x_copy_color (f, fg); | |
1184 | XSetBackground (dpy, x->cursor_gc, x->cursor_pixel); | |
1185 | } | |
177c0ea7 | 1186 | |
01f1ba30 | 1187 | UNBLOCK_INPUT; |
177c0ea7 | 1188 | |
05c8abbe | 1189 | update_face_from_frame_parameter (f, Qforeground_color, arg); |
177c0ea7 | 1190 | |
179956b9 | 1191 | if (FRAME_VISIBLE_P (f)) |
f676886a | 1192 | redraw_frame (f); |
01f1ba30 | 1193 | } |
177c0ea7 | 1194 | |
09393d07 | 1195 | unload_color (f, old_fg); |
01f1ba30 JB |
1196 | } |
1197 | ||
1198 | void | |
f676886a JB |
1199 | x_set_background_color (f, arg, oldval) |
1200 | struct frame *f; | |
01f1ba30 JB |
1201 | Lisp_Object arg, oldval; |
1202 | { | |
09393d07 GM |
1203 | struct x_output *x = f->output_data.x; |
1204 | unsigned long bg; | |
01f1ba30 | 1205 | |
09393d07 GM |
1206 | bg = x_decode_color (f, arg, WHITE_PIX_DEFAULT (f)); |
1207 | unload_color (f, x->background_pixel); | |
1208 | x->background_pixel = bg; | |
a76206dc | 1209 | |
fe24a618 | 1210 | if (FRAME_X_WINDOW (f) != 0) |
01f1ba30 | 1211 | { |
09393d07 | 1212 | Display *dpy = FRAME_X_DISPLAY (f); |
177c0ea7 | 1213 | |
09393d07 GM |
1214 | BLOCK_INPUT; |
1215 | XSetBackground (dpy, x->normal_gc, bg); | |
1216 | XSetForeground (dpy, x->reverse_gc, bg); | |
1217 | XSetWindowBackground (dpy, FRAME_X_WINDOW (f), bg); | |
1218 | XSetForeground (dpy, x->cursor_gc, bg); | |
1219 | ||
488dd4c4 JD |
1220 | #ifdef USE_GTK |
1221 | xg_set_background_color (f, bg); | |
1222 | #endif | |
1223 | ||
f76e0368 GM |
1224 | #ifndef USE_TOOLKIT_SCROLL_BARS /* Turns out to be annoying with |
1225 | toolkit scroll bars. */ | |
1226 | { | |
1227 | Lisp_Object bar; | |
1228 | for (bar = FRAME_SCROLL_BARS (f); | |
1229 | !NILP (bar); | |
1230 | bar = XSCROLL_BAR (bar)->next) | |
1231 | { | |
1232 | Window window = SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)); | |
1233 | XSetWindowBackground (dpy, window, bg); | |
1234 | } | |
1235 | } | |
1236 | #endif /* USE_TOOLKIT_SCROLL_BARS */ | |
01f1ba30 | 1237 | |
09393d07 | 1238 | UNBLOCK_INPUT; |
05c8abbe | 1239 | update_face_from_frame_parameter (f, Qbackground_color, arg); |
ea96210c | 1240 | |
179956b9 | 1241 | if (FRAME_VISIBLE_P (f)) |
f676886a | 1242 | redraw_frame (f); |
01f1ba30 JB |
1243 | } |
1244 | } | |
1245 | ||
1246 | void | |
f676886a JB |
1247 | x_set_mouse_color (f, arg, oldval) |
1248 | struct frame *f; | |
01f1ba30 JB |
1249 | Lisp_Object arg, oldval; |
1250 | { | |
09393d07 GM |
1251 | struct x_output *x = f->output_data.x; |
1252 | Display *dpy = FRAME_X_DISPLAY (f); | |
3d970f28 | 1253 | Cursor cursor, nontext_cursor, mode_cursor, hand_cursor; |
0af913d7 | 1254 | Cursor hourglass_cursor, horizontal_drag_cursor; |
1dc6cfa6 | 1255 | int count; |
51a1d2d8 | 1256 | unsigned long pixel = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f)); |
09393d07 | 1257 | unsigned long mask_color = x->background_pixel; |
a76206dc | 1258 | |
51a1d2d8 | 1259 | /* Don't let pointers be invisible. */ |
09393d07 | 1260 | if (mask_color == pixel) |
bcf26b38 GM |
1261 | { |
1262 | x_free_colors (f, &pixel, 1); | |
09393d07 | 1263 | pixel = x_copy_color (f, x->foreground_pixel); |
bcf26b38 | 1264 | } |
a76206dc | 1265 | |
09393d07 GM |
1266 | unload_color (f, x->mouse_pixel); |
1267 | x->mouse_pixel = pixel; | |
01f1ba30 JB |
1268 | |
1269 | BLOCK_INPUT; | |
fe24a618 | 1270 | |
eb8c3be9 | 1271 | /* It's not okay to crash if the user selects a screwy cursor. */ |
09393d07 | 1272 | count = x_catch_errors (dpy); |
fe24a618 | 1273 | |
09393d07 | 1274 | if (!NILP (Vx_pointer_shape)) |
01f1ba30 | 1275 | { |
b7826503 | 1276 | CHECK_NUMBER (Vx_pointer_shape); |
09393d07 | 1277 | cursor = XCreateFontCursor (dpy, XINT (Vx_pointer_shape)); |
01f1ba30 JB |
1278 | } |
1279 | else | |
09393d07 GM |
1280 | cursor = XCreateFontCursor (dpy, XC_xterm); |
1281 | x_check_errors (dpy, "bad text pointer cursor: %s"); | |
01f1ba30 | 1282 | |
09393d07 | 1283 | if (!NILP (Vx_nontext_pointer_shape)) |
01f1ba30 | 1284 | { |
b7826503 | 1285 | CHECK_NUMBER (Vx_nontext_pointer_shape); |
09393d07 GM |
1286 | nontext_cursor |
1287 | = XCreateFontCursor (dpy, XINT (Vx_nontext_pointer_shape)); | |
01f1ba30 JB |
1288 | } |
1289 | else | |
09393d07 GM |
1290 | nontext_cursor = XCreateFontCursor (dpy, XC_left_ptr); |
1291 | x_check_errors (dpy, "bad nontext pointer cursor: %s"); | |
01f1ba30 | 1292 | |
09393d07 | 1293 | if (!NILP (Vx_hourglass_pointer_shape)) |
333b20bb | 1294 | { |
b7826503 | 1295 | CHECK_NUMBER (Vx_hourglass_pointer_shape); |
09393d07 GM |
1296 | hourglass_cursor |
1297 | = XCreateFontCursor (dpy, XINT (Vx_hourglass_pointer_shape)); | |
333b20bb GM |
1298 | } |
1299 | else | |
09393d07 GM |
1300 | hourglass_cursor = XCreateFontCursor (dpy, XC_watch); |
1301 | x_check_errors (dpy, "bad hourglass pointer cursor: %s"); | |
177c0ea7 | 1302 | |
09393d07 GM |
1303 | x_check_errors (dpy, "bad nontext pointer cursor: %s"); |
1304 | if (!NILP (Vx_mode_pointer_shape)) | |
01f1ba30 | 1305 | { |
b7826503 | 1306 | CHECK_NUMBER (Vx_mode_pointer_shape); |
09393d07 | 1307 | mode_cursor = XCreateFontCursor (dpy, XINT (Vx_mode_pointer_shape)); |
01f1ba30 JB |
1308 | } |
1309 | else | |
09393d07 GM |
1310 | mode_cursor = XCreateFontCursor (dpy, XC_xterm); |
1311 | x_check_errors (dpy, "bad modeline pointer cursor: %s"); | |
95f80c78 | 1312 | |
09393d07 | 1313 | if (!NILP (Vx_sensitive_text_pointer_shape)) |
95f80c78 | 1314 | { |
b7826503 | 1315 | CHECK_NUMBER (Vx_sensitive_text_pointer_shape); |
3d970f28 | 1316 | hand_cursor |
09393d07 | 1317 | = XCreateFontCursor (dpy, XINT (Vx_sensitive_text_pointer_shape)); |
95f80c78 FP |
1318 | } |
1319 | else | |
3d970f28 | 1320 | hand_cursor = XCreateFontCursor (dpy, XC_hand2); |
01f1ba30 | 1321 | |
8fb4ec9c GM |
1322 | if (!NILP (Vx_window_horizontal_drag_shape)) |
1323 | { | |
b7826503 | 1324 | CHECK_NUMBER (Vx_window_horizontal_drag_shape); |
8fb4ec9c | 1325 | horizontal_drag_cursor |
09393d07 | 1326 | = XCreateFontCursor (dpy, XINT (Vx_window_horizontal_drag_shape)); |
8fb4ec9c GM |
1327 | } |
1328 | else | |
1329 | horizontal_drag_cursor | |
09393d07 | 1330 | = XCreateFontCursor (dpy, XC_sb_h_double_arrow); |
8fb4ec9c | 1331 | |
fe24a618 | 1332 | /* Check and report errors with the above calls. */ |
09393d07 GM |
1333 | x_check_errors (dpy, "can't set cursor shape: %s"); |
1334 | x_uncatch_errors (dpy, count); | |
fe24a618 | 1335 | |
01f1ba30 JB |
1336 | { |
1337 | XColor fore_color, back_color; | |
1338 | ||
09393d07 | 1339 | fore_color.pixel = x->mouse_pixel; |
a31fedb7 | 1340 | x_query_color (f, &fore_color); |
01f1ba30 | 1341 | back_color.pixel = mask_color; |
a31fedb7 | 1342 | x_query_color (f, &back_color); |
177c0ea7 | 1343 | |
09393d07 GM |
1344 | XRecolorCursor (dpy, cursor, &fore_color, &back_color); |
1345 | XRecolorCursor (dpy, nontext_cursor, &fore_color, &back_color); | |
1346 | XRecolorCursor (dpy, mode_cursor, &fore_color, &back_color); | |
3d970f28 | 1347 | XRecolorCursor (dpy, hand_cursor, &fore_color, &back_color); |
09393d07 GM |
1348 | XRecolorCursor (dpy, hourglass_cursor, &fore_color, &back_color); |
1349 | XRecolorCursor (dpy, horizontal_drag_cursor, &fore_color, &back_color); | |
01f1ba30 | 1350 | } |
01f1ba30 | 1351 | |
fe24a618 | 1352 | if (FRAME_X_WINDOW (f) != 0) |
09393d07 GM |
1353 | XDefineCursor (dpy, FRAME_X_WINDOW (f), cursor); |
1354 | ||
1355 | if (cursor != x->text_cursor | |
1356 | && x->text_cursor != 0) | |
1357 | XFreeCursor (dpy, x->text_cursor); | |
1358 | x->text_cursor = cursor; | |
1359 | ||
1360 | if (nontext_cursor != x->nontext_cursor | |
1361 | && x->nontext_cursor != 0) | |
1362 | XFreeCursor (dpy, x->nontext_cursor); | |
1363 | x->nontext_cursor = nontext_cursor; | |
1364 | ||
1365 | if (hourglass_cursor != x->hourglass_cursor | |
1366 | && x->hourglass_cursor != 0) | |
1367 | XFreeCursor (dpy, x->hourglass_cursor); | |
1368 | x->hourglass_cursor = hourglass_cursor; | |
1369 | ||
1370 | if (mode_cursor != x->modeline_cursor | |
1371 | && x->modeline_cursor != 0) | |
1372 | XFreeCursor (dpy, f->output_data.x->modeline_cursor); | |
1373 | x->modeline_cursor = mode_cursor; | |
177c0ea7 | 1374 | |
3d970f28 KS |
1375 | if (hand_cursor != x->hand_cursor |
1376 | && x->hand_cursor != 0) | |
1377 | XFreeCursor (dpy, x->hand_cursor); | |
1378 | x->hand_cursor = hand_cursor; | |
01f1ba30 | 1379 | |
09393d07 GM |
1380 | if (horizontal_drag_cursor != x->horizontal_drag_cursor |
1381 | && x->horizontal_drag_cursor != 0) | |
1382 | XFreeCursor (dpy, x->horizontal_drag_cursor); | |
1383 | x->horizontal_drag_cursor = horizontal_drag_cursor; | |
8fb4ec9c | 1384 | |
09393d07 | 1385 | XFlush (dpy); |
01f1ba30 | 1386 | UNBLOCK_INPUT; |
05c8abbe GM |
1387 | |
1388 | update_face_from_frame_parameter (f, Qmouse_color, arg); | |
01f1ba30 JB |
1389 | } |
1390 | ||
1391 | void | |
f676886a JB |
1392 | x_set_cursor_color (f, arg, oldval) |
1393 | struct frame *f; | |
01f1ba30 JB |
1394 | Lisp_Object arg, oldval; |
1395 | { | |
a76206dc | 1396 | unsigned long fore_pixel, pixel; |
10168ebb | 1397 | int fore_pixel_allocated_p = 0, pixel_allocated_p = 0; |
09393d07 | 1398 | struct x_output *x = f->output_data.x; |
01f1ba30 | 1399 | |
10168ebb GM |
1400 | if (!NILP (Vx_cursor_fore_pixel)) |
1401 | { | |
1402 | fore_pixel = x_decode_color (f, Vx_cursor_fore_pixel, | |
1403 | WHITE_PIX_DEFAULT (f)); | |
1404 | fore_pixel_allocated_p = 1; | |
1405 | } | |
01f1ba30 | 1406 | else |
09393d07 | 1407 | fore_pixel = x->background_pixel; |
177c0ea7 | 1408 | |
a76206dc | 1409 | pixel = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f)); |
10168ebb | 1410 | pixel_allocated_p = 1; |
a76206dc | 1411 | |
f9942c9e | 1412 | /* Make sure that the cursor color differs from the background color. */ |
09393d07 | 1413 | if (pixel == x->background_pixel) |
01f1ba30 | 1414 | { |
10168ebb GM |
1415 | if (pixel_allocated_p) |
1416 | { | |
1417 | x_free_colors (f, &pixel, 1); | |
1418 | pixel_allocated_p = 0; | |
1419 | } | |
177c0ea7 | 1420 | |
09393d07 | 1421 | pixel = x->mouse_pixel; |
a76206dc | 1422 | if (pixel == fore_pixel) |
10168ebb GM |
1423 | { |
1424 | if (fore_pixel_allocated_p) | |
1425 | { | |
1426 | x_free_colors (f, &fore_pixel, 1); | |
1427 | fore_pixel_allocated_p = 0; | |
1428 | } | |
09393d07 | 1429 | fore_pixel = x->background_pixel; |
10168ebb | 1430 | } |
01f1ba30 | 1431 | } |
a76206dc | 1432 | |
09393d07 | 1433 | unload_color (f, x->cursor_foreground_pixel); |
10168ebb GM |
1434 | if (!fore_pixel_allocated_p) |
1435 | fore_pixel = x_copy_color (f, fore_pixel); | |
09393d07 | 1436 | x->cursor_foreground_pixel = fore_pixel; |
01f1ba30 | 1437 | |
09393d07 | 1438 | unload_color (f, x->cursor_pixel); |
10168ebb GM |
1439 | if (!pixel_allocated_p) |
1440 | pixel = x_copy_color (f, pixel); | |
09393d07 | 1441 | x->cursor_pixel = pixel; |
a76206dc | 1442 | |
fe24a618 | 1443 | if (FRAME_X_WINDOW (f) != 0) |
01f1ba30 | 1444 | { |
01f1ba30 | 1445 | BLOCK_INPUT; |
09393d07 GM |
1446 | XSetBackground (FRAME_X_DISPLAY (f), x->cursor_gc, x->cursor_pixel); |
1447 | XSetForeground (FRAME_X_DISPLAY (f), x->cursor_gc, fore_pixel); | |
01f1ba30 | 1448 | UNBLOCK_INPUT; |
01f1ba30 | 1449 | |
179956b9 | 1450 | if (FRAME_VISIBLE_P (f)) |
01f1ba30 | 1451 | { |
cedadcfa RS |
1452 | x_update_cursor (f, 0); |
1453 | x_update_cursor (f, 1); | |
01f1ba30 JB |
1454 | } |
1455 | } | |
05c8abbe GM |
1456 | |
1457 | update_face_from_frame_parameter (f, Qcursor_color, arg); | |
01f1ba30 | 1458 | } |
943b580d | 1459 | \f |
f676886a | 1460 | /* Set the border-color of frame F to pixel value PIX. |
01f1ba30 | 1461 | Note that this does not fully take effect if done before |
f676886a | 1462 | F has an x-window. */ |
01f1ba30 | 1463 | |
968b1234 | 1464 | void |
f676886a JB |
1465 | x_set_border_pixel (f, pix) |
1466 | struct frame *f; | |
01f1ba30 JB |
1467 | int pix; |
1468 | { | |
a76206dc | 1469 | unload_color (f, f->output_data.x->border_pixel); |
7556890b | 1470 | f->output_data.x->border_pixel = pix; |
01f1ba30 | 1471 | |
be786000 | 1472 | if (FRAME_X_WINDOW (f) != 0 && f->border_width > 0) |
01f1ba30 | 1473 | { |
01f1ba30 | 1474 | BLOCK_INPUT; |
b9dc4443 | 1475 | XSetWindowBorder (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
270958e8 | 1476 | (unsigned long)pix); |
01f1ba30 JB |
1477 | UNBLOCK_INPUT; |
1478 | ||
179956b9 | 1479 | if (FRAME_VISIBLE_P (f)) |
f676886a | 1480 | redraw_frame (f); |
01f1ba30 JB |
1481 | } |
1482 | } | |
1483 | ||
7c0d3ed8 KS |
1484 | /* Set the border-color of frame F to value described by ARG. |
1485 | ARG can be a string naming a color. | |
1486 | The border-color is used for the border that is drawn by the X server. | |
1487 | Note that this does not fully take effect if done before | |
1488 | F has an x-window; it must be redone when the window is created. | |
1489 | ||
1490 | Note: this is done in two routines because of the way X10 works. | |
1491 | ||
1492 | Note: under X11, this is normally the province of the window manager, | |
1493 | and so emacs' border colors may be overridden. */ | |
1494 | ||
1495 | void | |
1496 | x_set_border_color (f, arg, oldval) | |
1497 | struct frame *f; | |
1498 | Lisp_Object arg, oldval; | |
1499 | { | |
1500 | int pix; | |
1501 | ||
1502 | CHECK_STRING (arg); | |
1503 | pix = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f)); | |
1504 | x_set_border_pixel (f, pix); | |
1505 | update_face_from_frame_parameter (f, Qborder_color, arg); | |
1506 | } | |
0d1469d6 | 1507 | |
0d1469d6 GM |
1508 | |
1509 | void | |
1510 | x_set_cursor_type (f, arg, oldval) | |
1511 | FRAME_PTR f; | |
1512 | Lisp_Object arg, oldval; | |
1513 | { | |
33b2311e | 1514 | set_frame_cursor_types (f, arg); |
dbc4e1c1 | 1515 | |
75691005 RS |
1516 | /* Make sure the cursor gets redrawn. */ |
1517 | cursor_type_changed = 1; | |
dbc4e1c1 | 1518 | } |
943b580d | 1519 | \f |
01f1ba30 | 1520 | void |
f676886a JB |
1521 | x_set_icon_type (f, arg, oldval) |
1522 | struct frame *f; | |
01f1ba30 JB |
1523 | Lisp_Object arg, oldval; |
1524 | { | |
01f1ba30 JB |
1525 | int result; |
1526 | ||
203c1d73 RS |
1527 | if (STRINGP (arg)) |
1528 | { | |
1529 | if (STRINGP (oldval) && EQ (Fstring_equal (oldval, arg), Qt)) | |
1530 | return; | |
1531 | } | |
1532 | else if (!STRINGP (oldval) && EQ (oldval, Qnil) == EQ (arg, Qnil)) | |
01f1ba30 JB |
1533 | return; |
1534 | ||
1535 | BLOCK_INPUT; | |
265a9e55 | 1536 | if (NILP (arg)) |
80534dd6 | 1537 | result = x_text_icon (f, |
d5db4077 | 1538 | (char *) SDATA ((!NILP (f->icon_name) |
f468da95 | 1539 | ? f->icon_name |
d5db4077 | 1540 | : f->name))); |
f1c7b5a6 RS |
1541 | else |
1542 | result = x_bitmap_icon (f, arg); | |
01f1ba30 JB |
1543 | |
1544 | if (result) | |
1545 | { | |
01f1ba30 | 1546 | UNBLOCK_INPUT; |
0fb53770 | 1547 | error ("No icon window available"); |
01f1ba30 JB |
1548 | } |
1549 | ||
b9dc4443 | 1550 | XFlush (FRAME_X_DISPLAY (f)); |
01f1ba30 JB |
1551 | UNBLOCK_INPUT; |
1552 | } | |
1553 | ||
80534dd6 KH |
1554 | void |
1555 | x_set_icon_name (f, arg, oldval) | |
1556 | struct frame *f; | |
1557 | Lisp_Object arg, oldval; | |
1558 | { | |
80534dd6 KH |
1559 | int result; |
1560 | ||
1561 | if (STRINGP (arg)) | |
1562 | { | |
1563 | if (STRINGP (oldval) && EQ (Fstring_equal (oldval, arg), Qt)) | |
1564 | return; | |
1565 | } | |
1566 | else if (!STRINGP (oldval) && EQ (oldval, Qnil) == EQ (arg, Qnil)) | |
1567 | return; | |
1568 | ||
f468da95 | 1569 | f->icon_name = arg; |
80534dd6 | 1570 | |
7556890b | 1571 | if (f->output_data.x->icon_bitmap != 0) |
80534dd6 KH |
1572 | return; |
1573 | ||
1574 | BLOCK_INPUT; | |
1575 | ||
1576 | result = x_text_icon (f, | |
d5db4077 KR |
1577 | (char *) SDATA ((!NILP (f->icon_name) |
1578 | ? f->icon_name | |
1579 | : !NILP (f->title) | |
1580 | ? f->title | |
1581 | : f->name))); | |
80534dd6 KH |
1582 | |
1583 | if (result) | |
1584 | { | |
1585 | UNBLOCK_INPUT; | |
1586 | error ("No icon window available"); | |
1587 | } | |
1588 | ||
80534dd6 KH |
1589 | XFlush (FRAME_X_DISPLAY (f)); |
1590 | UNBLOCK_INPUT; | |
1591 | } | |
7c0d3ed8 | 1592 | |
943b580d | 1593 | \f |
01f1ba30 | 1594 | void |
7c0d3ed8 | 1595 | x_set_menu_bar_lines (f, value, oldval) |
f676886a | 1596 | struct frame *f; |
7c0d3ed8 | 1597 | Lisp_Object value, oldval; |
01f1ba30 | 1598 | { |
7c0d3ed8 KS |
1599 | int nlines; |
1600 | #ifndef USE_X_TOOLKIT | |
1601 | int olines = FRAME_MENU_BAR_LINES (f); | |
1602 | #endif | |
177c0ea7 | 1603 | |
7c0d3ed8 KS |
1604 | /* Right now, menu bars don't work properly in minibuf-only frames; |
1605 | most of the commands try to apply themselves to the minibuffer | |
1606 | frame itself, and get an error because you can't switch buffers | |
1607 | in or split the minibuffer window. */ | |
1608 | if (FRAME_MINIBUF_ONLY_P (f)) | |
1609 | return; | |
177c0ea7 | 1610 | |
7c0d3ed8 KS |
1611 | if (INTEGERP (value)) |
1612 | nlines = XINT (value); | |
ea96210c | 1613 | else |
7c0d3ed8 | 1614 | nlines = 0; |
a367641f | 1615 | |
7c0d3ed8 KS |
1616 | /* Make sure we redisplay all windows in this frame. */ |
1617 | windows_or_buffers_changed++; | |
3d09b6be | 1618 | |
488dd4c4 | 1619 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
9ef48a9d RS |
1620 | FRAME_MENU_BAR_LINES (f) = 0; |
1621 | if (nlines) | |
0d8ef3f4 RS |
1622 | { |
1623 | FRAME_EXTERNAL_MENU_BAR (f) = 1; | |
97a1ff91 | 1624 | if (FRAME_X_P (f) && f->output_data.x->menubar_widget == 0) |
0d8ef3f4 RS |
1625 | /* Make sure next redisplay shows the menu bar. */ |
1626 | XWINDOW (FRAME_SELECTED_WINDOW (f))->update_mode_line = Qt; | |
1627 | } | |
9ef48a9d RS |
1628 | else |
1629 | { | |
6bc20398 FP |
1630 | if (FRAME_EXTERNAL_MENU_BAR (f) == 1) |
1631 | free_frame_menubar (f); | |
9ef48a9d | 1632 | FRAME_EXTERNAL_MENU_BAR (f) = 0; |
97a1ff91 RS |
1633 | if (FRAME_X_P (f)) |
1634 | f->output_data.x->menubar_widget = 0; | |
9ef48a9d | 1635 | } |
488dd4c4 | 1636 | #else /* not USE_X_TOOLKIT && not USE_GTK */ |
d043f1a4 | 1637 | FRAME_MENU_BAR_LINES (f) = nlines; |
7c0d3ed8 | 1638 | change_window_heights (f->root_window, nlines - olines); |
9ef48a9d | 1639 | #endif /* not USE_X_TOOLKIT */ |
333b20bb GM |
1640 | adjust_glyphs (f); |
1641 | } | |
1642 | ||
1643 | ||
1644 | /* Set the number of lines used for the tool bar of frame F to VALUE. | |
1645 | VALUE not an integer, or < 0 means set the lines to zero. OLDVAL | |
1646 | is the old number of tool bar lines. This function changes the | |
1647 | height of all windows on frame F to match the new tool bar height. | |
1648 | The frame's height doesn't change. */ | |
1649 | ||
1650 | void | |
9ea173e8 | 1651 | x_set_tool_bar_lines (f, value, oldval) |
333b20bb GM |
1652 | struct frame *f; |
1653 | Lisp_Object value, oldval; | |
1654 | { | |
52de7ce9 GM |
1655 | int delta, nlines, root_height; |
1656 | Lisp_Object root_window; | |
333b20bb | 1657 | |
e870b7ba GM |
1658 | /* Treat tool bars like menu bars. */ |
1659 | if (FRAME_MINIBUF_ONLY_P (f)) | |
1660 | return; | |
1661 | ||
333b20bb GM |
1662 | /* Use VALUE only if an integer >= 0. */ |
1663 | if (INTEGERP (value) && XINT (value) >= 0) | |
1664 | nlines = XFASTINT (value); | |
1665 | else | |
1666 | nlines = 0; | |
1667 | ||
488dd4c4 JD |
1668 | #ifdef USE_GTK |
1669 | FRAME_TOOL_BAR_LINES (f) = 0; | |
1670 | if (nlines) | |
1671 | { | |
1672 | FRAME_EXTERNAL_TOOL_BAR (f) = 1; | |
1673 | if (FRAME_X_P (f) && f->output_data.x->toolbar_widget == 0) | |
1674 | /* Make sure next redisplay shows the tool bar. */ | |
1675 | XWINDOW (FRAME_SELECTED_WINDOW (f))->update_mode_line = Qt; | |
1676 | update_frame_tool_bar (f); | |
1677 | } | |
1678 | else | |
1679 | { | |
1680 | if (FRAME_EXTERNAL_TOOL_BAR (f)) | |
1681 | free_frame_tool_bar (f); | |
1682 | FRAME_EXTERNAL_TOOL_BAR (f) = 0; | |
1683 | } | |
1684 | ||
1685 | return; | |
1686 | #endif | |
177c0ea7 | 1687 | |
488dd4c4 | 1688 | /* Make sure we redisplay all windows in this frame. */ |
333b20bb GM |
1689 | ++windows_or_buffers_changed; |
1690 | ||
9ea173e8 | 1691 | delta = nlines - FRAME_TOOL_BAR_LINES (f); |
52de7ce9 GM |
1692 | |
1693 | /* Don't resize the tool-bar to more than we have room for. */ | |
1694 | root_window = FRAME_ROOT_WINDOW (f); | |
be786000 | 1695 | root_height = WINDOW_TOTAL_LINES (XWINDOW (root_window)); |
52de7ce9 GM |
1696 | if (root_height - delta < 1) |
1697 | { | |
1698 | delta = root_height - 1; | |
1699 | nlines = FRAME_TOOL_BAR_LINES (f) + delta; | |
1700 | } | |
1701 | ||
9ea173e8 | 1702 | FRAME_TOOL_BAR_LINES (f) = nlines; |
7c0d3ed8 | 1703 | change_window_heights (root_window, delta); |
333b20bb | 1704 | adjust_glyphs (f); |
177c0ea7 | 1705 | |
ccba751c GM |
1706 | /* We also have to make sure that the internal border at the top of |
1707 | the frame, below the menu bar or tool bar, is redrawn when the | |
1708 | tool bar disappears. This is so because the internal border is | |
1709 | below the tool bar if one is displayed, but is below the menu bar | |
1710 | if there isn't a tool bar. The tool bar draws into the area | |
1711 | below the menu bar. */ | |
1712 | if (FRAME_X_WINDOW (f) && FRAME_TOOL_BAR_LINES (f) == 0) | |
1713 | { | |
1714 | updating_frame = f; | |
1715 | clear_frame (); | |
fb3cd89b | 1716 | clear_current_matrices (f); |
ccba751c GM |
1717 | updating_frame = NULL; |
1718 | } | |
b6f91066 GM |
1719 | |
1720 | /* If the tool bar gets smaller, the internal border below it | |
1721 | has to be cleared. It was formerly part of the display | |
1722 | of the larger tool bar, and updating windows won't clear it. */ | |
1723 | if (delta < 0) | |
1724 | { | |
1725 | int height = FRAME_INTERNAL_BORDER_WIDTH (f); | |
be786000 KS |
1726 | int width = FRAME_PIXEL_WIDTH (f); |
1727 | int y = nlines * FRAME_LINE_HEIGHT (f); | |
b6f91066 GM |
1728 | |
1729 | BLOCK_INPUT; | |
161d30fd GM |
1730 | x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
1731 | 0, y, width, height, False); | |
b6f91066 | 1732 | UNBLOCK_INPUT; |
ddc24747 GM |
1733 | |
1734 | if (WINDOWP (f->tool_bar_window)) | |
1735 | clear_glyph_matrix (XWINDOW (f->tool_bar_window)->current_matrix); | |
b6f91066 | 1736 | } |
333b20bb GM |
1737 | } |
1738 | ||
1739 | ||
1740 | /* Set the foreground color for scroll bars on frame F to VALUE. | |
1741 | VALUE should be a string, a color name. If it isn't a string or | |
1742 | isn't a valid color name, do nothing. OLDVAL is the old value of | |
1743 | the frame parameter. */ | |
1744 | ||
1745 | void | |
1746 | x_set_scroll_bar_foreground (f, value, oldval) | |
1747 | struct frame *f; | |
1748 | Lisp_Object value, oldval; | |
1749 | { | |
1750 | unsigned long pixel; | |
177c0ea7 | 1751 | |
333b20bb GM |
1752 | if (STRINGP (value)) |
1753 | pixel = x_decode_color (f, value, BLACK_PIX_DEFAULT (f)); | |
1754 | else | |
1755 | pixel = -1; | |
1756 | ||
1757 | if (f->output_data.x->scroll_bar_foreground_pixel != -1) | |
1758 | unload_color (f, f->output_data.x->scroll_bar_foreground_pixel); | |
177c0ea7 | 1759 | |
333b20bb GM |
1760 | f->output_data.x->scroll_bar_foreground_pixel = pixel; |
1761 | if (FRAME_X_WINDOW (f) && FRAME_VISIBLE_P (f)) | |
1762 | { | |
1763 | /* Remove all scroll bars because they have wrong colors. */ | |
1764 | if (condemn_scroll_bars_hook) | |
1765 | (*condemn_scroll_bars_hook) (f); | |
1766 | if (judge_scroll_bars_hook) | |
1767 | (*judge_scroll_bars_hook) (f); | |
05c8abbe GM |
1768 | |
1769 | update_face_from_frame_parameter (f, Qscroll_bar_foreground, value); | |
333b20bb GM |
1770 | redraw_frame (f); |
1771 | } | |
1772 | } | |
1773 | ||
1774 | ||
1775 | /* Set the background color for scroll bars on frame F to VALUE VALUE | |
1776 | should be a string, a color name. If it isn't a string or isn't a | |
1777 | valid color name, do nothing. OLDVAL is the old value of the frame | |
1778 | parameter. */ | |
1779 | ||
1780 | void | |
1781 | x_set_scroll_bar_background (f, value, oldval) | |
1782 | struct frame *f; | |
1783 | Lisp_Object value, oldval; | |
1784 | { | |
1785 | unsigned long pixel; | |
1786 | ||
1787 | if (STRINGP (value)) | |
1788 | pixel = x_decode_color (f, value, WHITE_PIX_DEFAULT (f)); | |
1789 | else | |
1790 | pixel = -1; | |
177c0ea7 | 1791 | |
333b20bb GM |
1792 | if (f->output_data.x->scroll_bar_background_pixel != -1) |
1793 | unload_color (f, f->output_data.x->scroll_bar_background_pixel); | |
177c0ea7 | 1794 | |
f15340b7 MB |
1795 | #ifdef USE_TOOLKIT_SCROLL_BARS |
1796 | /* Scrollbar shadow colors. */ | |
1797 | if (f->output_data.x->scroll_bar_top_shadow_pixel != -1) | |
1798 | { | |
1799 | unload_color (f, f->output_data.x->scroll_bar_top_shadow_pixel); | |
1800 | f->output_data.x->scroll_bar_top_shadow_pixel = -1; | |
1801 | } | |
1802 | if (f->output_data.x->scroll_bar_bottom_shadow_pixel != -1) | |
1803 | { | |
1804 | unload_color (f, f->output_data.x->scroll_bar_bottom_shadow_pixel); | |
1805 | f->output_data.x->scroll_bar_bottom_shadow_pixel = -1; | |
1806 | } | |
1807 | #endif /* USE_TOOLKIT_SCROLL_BARS */ | |
1808 | ||
333b20bb GM |
1809 | f->output_data.x->scroll_bar_background_pixel = pixel; |
1810 | if (FRAME_X_WINDOW (f) && FRAME_VISIBLE_P (f)) | |
1811 | { | |
1812 | /* Remove all scroll bars because they have wrong colors. */ | |
1813 | if (condemn_scroll_bars_hook) | |
1814 | (*condemn_scroll_bars_hook) (f); | |
1815 | if (judge_scroll_bars_hook) | |
1816 | (*judge_scroll_bars_hook) (f); | |
177c0ea7 | 1817 | |
05c8abbe | 1818 | update_face_from_frame_parameter (f, Qscroll_bar_background, value); |
333b20bb GM |
1819 | redraw_frame (f); |
1820 | } | |
d043f1a4 | 1821 | } |
333b20bb | 1822 | |
943b580d | 1823 | \f |
3a258507 | 1824 | /* Encode Lisp string STRING as a text in a format appropriate for |
96db09e4 KH |
1825 | XICCC (X Inter Client Communication Conventions). |
1826 | ||
1827 | If STRING contains only ASCII characters, do no conversion and | |
1828 | return the string data of STRING. Otherwise, encode the text by | |
1829 | CODING_SYSTEM, and return a newly allocated memory area which | |
1830 | should be freed by `xfree' by a caller. | |
1831 | ||
37323f34 EZ |
1832 | SELECTIONP non-zero means the string is being encoded for an X |
1833 | selection, so it is safe to run pre-write conversions (which | |
1834 | may run Lisp code). | |
1835 | ||
96db09e4 KH |
1836 | Store the byte length of resulting text in *TEXT_BYTES. |
1837 | ||
d60660d6 | 1838 | If the text contains only ASCII and Latin-1, store 1 in *STRING_P, |
96db09e4 | 1839 | which means that the `encoding' of the result can be `STRING'. |
d60660d6 | 1840 | Otherwise store 0 in *STRINGP, which means that the `encoding' of |
96db09e4 KH |
1841 | the result should be `COMPOUND_TEXT'. */ |
1842 | ||
1843 | unsigned char * | |
37323f34 | 1844 | x_encode_text (string, coding_system, selectionp, text_bytes, stringp) |
96db09e4 | 1845 | Lisp_Object string, coding_system; |
d60660d6 | 1846 | int *text_bytes, *stringp; |
37323f34 | 1847 | int selectionp; |
96db09e4 | 1848 | { |
d5db4077 KR |
1849 | unsigned char *str = SDATA (string); |
1850 | int chars = SCHARS (string); | |
1851 | int bytes = SBYTES (string); | |
96db09e4 KH |
1852 | int charset_info; |
1853 | int bufsize; | |
1854 | unsigned char *buf; | |
1855 | struct coding_system coding; | |
43dc73f1 | 1856 | extern Lisp_Object Qcompound_text_with_extensions; |
96db09e4 KH |
1857 | |
1858 | charset_info = find_charset_in_text (str, chars, bytes, NULL, Qnil); | |
1859 | if (charset_info == 0) | |
1860 | { | |
1861 | /* No multibyte character in OBJ. We need not encode it. */ | |
1862 | *text_bytes = bytes; | |
d60660d6 | 1863 | *stringp = 1; |
96db09e4 KH |
1864 | return str; |
1865 | } | |
1866 | ||
1867 | setup_coding_system (coding_system, &coding); | |
37323f34 EZ |
1868 | if (selectionp |
1869 | && SYMBOLP (coding.pre_write_conversion) | |
1870 | && !NILP (Ffboundp (coding.pre_write_conversion))) | |
1871 | { | |
1872 | string = run_pre_post_conversion_on_str (string, &coding, 1); | |
d5db4077 KR |
1873 | str = SDATA (string); |
1874 | chars = SCHARS (string); | |
1875 | bytes = SBYTES (string); | |
37323f34 | 1876 | } |
96db09e4 KH |
1877 | coding.src_multibyte = 1; |
1878 | coding.dst_multibyte = 0; | |
1879 | coding.mode |= CODING_MODE_LAST_BLOCK; | |
d60660d6 KH |
1880 | if (coding.type == coding_type_iso2022) |
1881 | coding.flags |= CODING_FLAG_ISO_SAFE; | |
35bc5887 KH |
1882 | /* We suppress producing escape sequences for composition. */ |
1883 | coding.composing = COMPOSITION_DISABLED; | |
96db09e4 KH |
1884 | bufsize = encoding_buffer_size (&coding, bytes); |
1885 | buf = (unsigned char *) xmalloc (bufsize); | |
1886 | encode_coding (&coding, str, buf, bytes, bufsize); | |
1887 | *text_bytes = coding.produced; | |
43dc73f1 EZ |
1888 | *stringp = (charset_info == 1 |
1889 | || (!EQ (coding_system, Qcompound_text) | |
1890 | && !EQ (coding_system, Qcompound_text_with_extensions))); | |
96db09e4 KH |
1891 | return buf; |
1892 | } | |
1893 | ||
1894 | \f | |
75f9d625 | 1895 | /* Change the name of frame F to NAME. If NAME is nil, set F's name to |
f945b920 JB |
1896 | x_id_name. |
1897 | ||
1898 | If EXPLICIT is non-zero, that indicates that lisp code is setting the | |
75f9d625 DM |
1899 | name; if NAME is a string, set F's name to NAME and set |
1900 | F->explicit_name; if NAME is Qnil, then clear F->explicit_name. | |
f945b920 JB |
1901 | |
1902 | If EXPLICIT is zero, that indicates that Emacs redisplay code is | |
1903 | suggesting a new name, which lisp code should override; if | |
1904 | F->explicit_name is set, ignore the new name; otherwise, set it. */ | |
1905 | ||
1906 | void | |
1907 | x_set_name (f, name, explicit) | |
1908 | struct frame *f; | |
1909 | Lisp_Object name; | |
1910 | int explicit; | |
1911 | { | |
177c0ea7 | 1912 | /* Make sure that requests from lisp code override requests from |
f945b920 JB |
1913 | Emacs redisplay code. */ |
1914 | if (explicit) | |
1915 | { | |
1916 | /* If we're switching from explicit to implicit, we had better | |
1917 | update the mode lines and thereby update the title. */ | |
1918 | if (f->explicit_name && NILP (name)) | |
cf177271 | 1919 | update_mode_lines = 1; |
f945b920 JB |
1920 | |
1921 | f->explicit_name = ! NILP (name); | |
1922 | } | |
1923 | else if (f->explicit_name) | |
1924 | return; | |
1925 | ||
1926 | /* If NAME is nil, set the name to the x_id_name. */ | |
1927 | if (NILP (name)) | |
f10f0b79 RS |
1928 | { |
1929 | /* Check for no change needed in this very common case | |
1930 | before we do any consing. */ | |
08a90d6a | 1931 | if (!strcmp (FRAME_X_DISPLAY_INFO (f)->x_id_name, |
d5db4077 | 1932 | SDATA (f->name))) |
f10f0b79 | 1933 | return; |
08a90d6a | 1934 | name = build_string (FRAME_X_DISPLAY_INFO (f)->x_id_name); |
f10f0b79 | 1935 | } |
62265f1c | 1936 | else |
b7826503 | 1937 | CHECK_STRING (name); |
01f1ba30 | 1938 | |
f945b920 JB |
1939 | /* Don't change the name if it's already NAME. */ |
1940 | if (! NILP (Fstring_equal (name, f->name))) | |
daa37602 JB |
1941 | return; |
1942 | ||
943b580d RS |
1943 | f->name = name; |
1944 | ||
1945 | /* For setting the frame title, the title parameter should override | |
1946 | the name parameter. */ | |
1947 | if (! NILP (f->title)) | |
1948 | name = f->title; | |
1949 | ||
fe24a618 | 1950 | if (FRAME_X_WINDOW (f)) |
01f1ba30 | 1951 | { |
01f1ba30 | 1952 | BLOCK_INPUT; |
fe24a618 JB |
1953 | #ifdef HAVE_X11R4 |
1954 | { | |
80534dd6 | 1955 | XTextProperty text, icon; |
d60660d6 | 1956 | int bytes, stringp; |
11270583 | 1957 | Lisp_Object coding_system; |
80534dd6 | 1958 | |
3201ea57 KH |
1959 | /* Note: Encoding strategy |
1960 | ||
1961 | We encode NAME by compound-text and use "COMPOUND-TEXT" in | |
1962 | text.encoding. But, there are non-internationalized window | |
1963 | managers which don't support that encoding. So, if NAME | |
1964 | contains only ASCII and 8859-1 characters, encode it by | |
1965 | iso-latin-1, and use "STRING" in text.encoding hoping that | |
34e8c597 | 1966 | such window managers at least analyze this format correctly, |
3201ea57 KH |
1967 | i.e. treat 8-bit bytes as 8859-1 characters. |
1968 | ||
1969 | We may also be able to use "UTF8_STRING" in text.encoding | |
34e8c597 | 1970 | in the future which can encode all Unicode characters. |
3201ea57 KH |
1971 | But, for the moment, there's no way to know that the |
1972 | current window manager supports it or not. */ | |
869331ee | 1973 | coding_system = Qcompound_text; |
37323f34 | 1974 | text.value = x_encode_text (name, coding_system, 0, &bytes, &stringp); |
d60660d6 | 1975 | text.encoding = (stringp ? XA_STRING |
96db09e4 | 1976 | : FRAME_X_DISPLAY_INFO (f)->Xatom_COMPOUND_TEXT); |
fe24a618 | 1977 | text.format = 8; |
96db09e4 | 1978 | text.nitems = bytes; |
80534dd6 | 1979 | |
96db09e4 KH |
1980 | if (NILP (f->icon_name)) |
1981 | { | |
1982 | icon = text; | |
1983 | } | |
1984 | else | |
1985 | { | |
3201ea57 | 1986 | /* See the above comment "Note: Encoding strategy". */ |
37323f34 | 1987 | icon.value = x_encode_text (f->icon_name, coding_system, 0, |
d60660d6 KH |
1988 | &bytes, &stringp); |
1989 | icon.encoding = (stringp ? XA_STRING | |
96db09e4 KH |
1990 | : FRAME_X_DISPLAY_INFO (f)->Xatom_COMPOUND_TEXT); |
1991 | icon.format = 8; | |
1992 | icon.nitems = bytes; | |
1993 | } | |
488dd4c4 JD |
1994 | #ifdef USE_GTK |
1995 | gtk_window_set_title (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)), | |
1996 | SDATA (name)); | |
488dd4c4 | 1997 | #else /* not USE_GTK */ |
2436a4e4 | 1998 | XSetWMName (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), &text); |
7c0d3ed8 | 1999 | #endif /* not USE_GTK */ |
abb4b7ec | 2000 | |
7c0d3ed8 | 2001 | XSetWMIconName (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), &icon); |
abb4b7ec | 2002 | |
7c0d3ed8 KS |
2003 | if (!NILP (f->icon_name) |
2004 | && icon.value != (unsigned char *) SDATA (f->icon_name)) | |
2005 | xfree (icon.value); | |
2006 | if (text.value != (unsigned char *) SDATA (name)) | |
2007 | xfree (text.value); | |
2008 | } | |
2009 | #else /* not HAVE_X11R4 */ | |
2010 | XSetIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
2011 | SDATA (name)); | |
2012 | XStoreName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
2013 | SDATA (name)); | |
2014 | #endif /* not HAVE_X11R4 */ | |
2015 | UNBLOCK_INPUT; | |
2016 | } | |
abb4b7ec RS |
2017 | } |
2018 | ||
7c0d3ed8 KS |
2019 | /* This function should be called when the user's lisp code has |
2020 | specified a name for the frame; the name will override any set by the | |
2021 | redisplay code. */ | |
2022 | void | |
2023 | x_explicitly_set_name (f, arg, oldval) | |
2024 | FRAME_PTR f; | |
2025 | Lisp_Object arg, oldval; | |
3402e1a4 | 2026 | { |
7c0d3ed8 | 2027 | x_set_name (f, arg, 1); |
3402e1a4 RS |
2028 | } |
2029 | ||
7c0d3ed8 KS |
2030 | /* This function should be called by Emacs redisplay code to set the |
2031 | name; names set this way will never override names set by the user's | |
2032 | lisp code. */ | |
2033 | void | |
2034 | x_implicitly_set_name (f, arg, oldval) | |
2035 | FRAME_PTR f; | |
2036 | Lisp_Object arg, oldval; | |
333b20bb | 2037 | { |
7c0d3ed8 KS |
2038 | x_set_name (f, arg, 0); |
2039 | } | |
2040 | \f | |
2041 | /* Change the title of frame F to NAME. | |
2042 | If NAME is nil, use the frame name as the title. | |
60fb3ee1 | 2043 | |
7c0d3ed8 KS |
2044 | If EXPLICIT is non-zero, that indicates that lisp code is setting the |
2045 | name; if NAME is a string, set F's name to NAME and set | |
2046 | F->explicit_name; if NAME is Qnil, then clear F->explicit_name. | |
60fb3ee1 | 2047 | |
7c0d3ed8 KS |
2048 | If EXPLICIT is zero, that indicates that Emacs redisplay code is |
2049 | suggesting a new name, which lisp code should override; if | |
2050 | F->explicit_name is set, ignore the new name; otherwise, set it. */ | |
01f1ba30 | 2051 | |
7c0d3ed8 KS |
2052 | void |
2053 | x_set_title (f, name, old_name) | |
2054 | struct frame *f; | |
2055 | Lisp_Object name, old_name; | |
01f1ba30 | 2056 | { |
7c0d3ed8 KS |
2057 | /* Don't change the title if it's already NAME. */ |
2058 | if (EQ (name, f->title)) | |
2059 | return; | |
01f1ba30 | 2060 | |
7c0d3ed8 | 2061 | update_mode_lines = 1; |
60fb3ee1 | 2062 | |
7c0d3ed8 | 2063 | f->title = name; |
f9942c9e | 2064 | |
7c0d3ed8 KS |
2065 | if (NILP (name)) |
2066 | name = f->name; | |
2067 | else | |
2068 | CHECK_STRING (name); | |
f9942c9e | 2069 | |
7c0d3ed8 KS |
2070 | if (FRAME_X_WINDOW (f)) |
2071 | { | |
2072 | BLOCK_INPUT; | |
2073 | #ifdef HAVE_X11R4 | |
2074 | { | |
2075 | XTextProperty text, icon; | |
2076 | int bytes, stringp; | |
2077 | Lisp_Object coding_system; | |
f9942c9e | 2078 | |
7c0d3ed8 KS |
2079 | coding_system = Qcompound_text; |
2080 | /* See the comment "Note: Encoding strategy" in x_set_name. */ | |
2081 | text.value = x_encode_text (name, coding_system, 0, &bytes, &stringp); | |
2082 | text.encoding = (stringp ? XA_STRING | |
2083 | : FRAME_X_DISPLAY_INFO (f)->Xatom_COMPOUND_TEXT); | |
2084 | text.format = 8; | |
2085 | text.nitems = bytes; | |
d62c8769 | 2086 | |
7c0d3ed8 KS |
2087 | if (NILP (f->icon_name)) |
2088 | { | |
2089 | icon = text; | |
2090 | } | |
2091 | else | |
2092 | { | |
2093 | /* See the comment "Note: Encoding strategy" in x_set_name. */ | |
2094 | icon.value = x_encode_text (f->icon_name, coding_system, 0, | |
2095 | &bytes, &stringp); | |
2096 | icon.encoding = (stringp ? XA_STRING | |
2097 | : FRAME_X_DISPLAY_INFO (f)->Xatom_COMPOUND_TEXT); | |
2098 | icon.format = 8; | |
2099 | icon.nitems = bytes; | |
2100 | } | |
f9942c9e | 2101 | |
7c0d3ed8 KS |
2102 | #ifdef USE_GTK |
2103 | gtk_window_set_title (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)), | |
2104 | SDATA (name)); | |
2105 | #else /* not USE_GTK */ | |
2106 | XSetWMName (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), &text); | |
2107 | #endif /* not USE_GTK */ | |
f9942c9e | 2108 | |
7c0d3ed8 KS |
2109 | XSetWMIconName (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), |
2110 | &icon); | |
f945b920 | 2111 | |
7c0d3ed8 KS |
2112 | if (!NILP (f->icon_name) |
2113 | && icon.value != (unsigned char *) SDATA (f->icon_name)) | |
2114 | xfree (icon.value); | |
2115 | if (text.value != (unsigned char *) SDATA (name)) | |
2116 | xfree (text.value); | |
2117 | } | |
2118 | #else /* not HAVE_X11R4 */ | |
2119 | XSetIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
2120 | SDATA (name)); | |
2121 | XStoreName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
2122 | SDATA (name)); | |
2123 | #endif /* not HAVE_X11R4 */ | |
2124 | UNBLOCK_INPUT; | |
01f1ba30 | 2125 | } |
01f1ba30 JB |
2126 | } |
2127 | ||
7c0d3ed8 KS |
2128 | void |
2129 | x_set_scroll_bar_default_width (f) | |
e4f79258 | 2130 | struct frame *f; |
e4f79258 | 2131 | { |
be786000 | 2132 | int wid = FRAME_COLUMN_WIDTH (f); |
01f1ba30 | 2133 | |
7c0d3ed8 KS |
2134 | #ifdef USE_TOOLKIT_SCROLL_BARS |
2135 | /* A minimum width of 14 doesn't look good for toolkit scroll bars. */ | |
2136 | int width = 16 + 2 * VERTICAL_SCROLL_BAR_WIDTH_TRIM; | |
be786000 KS |
2137 | FRAME_CONFIG_SCROLL_BAR_COLS (f) = (width + wid - 1) / wid; |
2138 | FRAME_CONFIG_SCROLL_BAR_WIDTH (f) = width; | |
7c0d3ed8 KS |
2139 | #else |
2140 | /* Make the actual width at least 14 pixels and a multiple of a | |
2141 | character width. */ | |
be786000 | 2142 | FRAME_CONFIG_SCROLL_BAR_COLS (f) = (14 + wid - 1) / wid; |
01f1ba30 | 2143 | |
7c0d3ed8 KS |
2144 | /* Use all of that space (aside from required margins) for the |
2145 | scroll bar. */ | |
be786000 | 2146 | FRAME_CONFIG_SCROLL_BAR_WIDTH (f) = 0; |
7c0d3ed8 | 2147 | #endif |
01f1ba30 | 2148 | } |
333b20bb | 2149 | |
7c0d3ed8 | 2150 | \f |
333b20bb GM |
2151 | /* Record in frame F the specified or default value according to ALIST |
2152 | of the parameter named PROP (a Lisp symbol). If no value is | |
2153 | specified for PROP, look for an X default for XPROP on the frame | |
2154 | named NAME. If that is not found either, use the value DEFLT. */ | |
2155 | ||
2156 | static Lisp_Object | |
2157 | x_default_scroll_bar_color_parameter (f, alist, prop, xprop, xclass, | |
2158 | foreground_p) | |
2159 | struct frame *f; | |
2160 | Lisp_Object alist; | |
2161 | Lisp_Object prop; | |
2162 | char *xprop; | |
2163 | char *xclass; | |
2164 | int foreground_p; | |
2165 | { | |
2166 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
2167 | Lisp_Object tem; | |
2168 | ||
2169 | tem = x_get_arg (dpyinfo, alist, prop, xprop, xclass, RES_TYPE_STRING); | |
2170 | if (EQ (tem, Qunbound)) | |
2171 | { | |
2172 | #ifdef USE_TOOLKIT_SCROLL_BARS | |
2173 | ||
2174 | /* See if an X resource for the scroll bar color has been | |
2175 | specified. */ | |
2176 | tem = display_x_get_resource (dpyinfo, | |
2177 | build_string (foreground_p | |
2178 | ? "foreground" | |
2179 | : "background"), | |
c0ec53ad | 2180 | empty_string, |
333b20bb | 2181 | build_string ("verticalScrollBar"), |
c0ec53ad | 2182 | empty_string); |
333b20bb GM |
2183 | if (!STRINGP (tem)) |
2184 | { | |
2185 | /* If nothing has been specified, scroll bars will use a | |
2186 | toolkit-dependent default. Because these defaults are | |
2187 | difficult to get at without actually creating a scroll | |
2188 | bar, use nil to indicate that no color has been | |
2189 | specified. */ | |
2190 | tem = Qnil; | |
2191 | } | |
177c0ea7 | 2192 | |
333b20bb | 2193 | #else /* not USE_TOOLKIT_SCROLL_BARS */ |
177c0ea7 | 2194 | |
333b20bb | 2195 | tem = Qnil; |
177c0ea7 | 2196 | |
333b20bb GM |
2197 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ |
2198 | } | |
2199 | ||
2200 | x_set_frame_parameters (f, Fcons (Fcons (prop, tem), Qnil)); | |
2201 | return tem; | |
2202 | } | |
2203 | ||
2204 | ||
01f1ba30 | 2205 | |
f58534a3 RS |
2206 | #if !defined (HAVE_X11R4) && !defined (HAVE_XSETWMPROTOCOLS) |
2207 | ||
2208 | Status | |
2209 | XSetWMProtocols (dpy, w, protocols, count) | |
2210 | Display *dpy; | |
2211 | Window w; | |
2212 | Atom *protocols; | |
2213 | int count; | |
2214 | { | |
2215 | Atom prop; | |
2216 | prop = XInternAtom (dpy, "WM_PROTOCOLS", False); | |
2217 | if (prop == None) return False; | |
2218 | XChangeProperty (dpy, w, prop, XA_ATOM, 32, PropModeReplace, | |
2219 | (unsigned char *) protocols, count); | |
2220 | return True; | |
2221 | } | |
9ef48a9d RS |
2222 | #endif /* not HAVE_X11R4 && not HAVE_XSETWMPROTOCOLS */ |
2223 | \f | |
2224 | #ifdef USE_X_TOOLKIT | |
2225 | ||
8e3d10a9 RS |
2226 | /* If the WM_PROTOCOLS property does not already contain WM_TAKE_FOCUS, |
2227 | WM_DELETE_WINDOW, and WM_SAVE_YOURSELF, then add them. (They may | |
59aa6c90 RS |
2228 | already be present because of the toolkit (Motif adds some of them, |
2229 | for example, but Xt doesn't). */ | |
9ef48a9d RS |
2230 | |
2231 | static void | |
b9dc4443 RS |
2232 | hack_wm_protocols (f, widget) |
2233 | FRAME_PTR f; | |
9ef48a9d RS |
2234 | Widget widget; |
2235 | { | |
2236 | Display *dpy = XtDisplay (widget); | |
2237 | Window w = XtWindow (widget); | |
2238 | int need_delete = 1; | |
2239 | int need_focus = 1; | |
59aa6c90 | 2240 | int need_save = 1; |
9ef48a9d RS |
2241 | |
2242 | BLOCK_INPUT; | |
2243 | { | |
2244 | Atom type, *atoms = 0; | |
2245 | int format = 0; | |
2246 | unsigned long nitems = 0; | |
2247 | unsigned long bytes_after; | |
2248 | ||
270958e8 KH |
2249 | if ((XGetWindowProperty (dpy, w, |
2250 | FRAME_X_DISPLAY_INFO (f)->Xatom_wm_protocols, | |
34d5ae1e | 2251 | (long)0, (long)100, False, XA_ATOM, |
270958e8 KH |
2252 | &type, &format, &nitems, &bytes_after, |
2253 | (unsigned char **) &atoms) | |
2254 | == Success) | |
9ef48a9d RS |
2255 | && format == 32 && type == XA_ATOM) |
2256 | while (nitems > 0) | |
2257 | { | |
2258 | nitems--; | |
b9dc4443 RS |
2259 | if (atoms[nitems] == FRAME_X_DISPLAY_INFO (f)->Xatom_wm_delete_window) |
2260 | need_delete = 0; | |
2261 | else if (atoms[nitems] == FRAME_X_DISPLAY_INFO (f)->Xatom_wm_take_focus) | |
2262 | need_focus = 0; | |
2263 | else if (atoms[nitems] == FRAME_X_DISPLAY_INFO (f)->Xatom_wm_save_yourself) | |
2264 | need_save = 0; | |
9ef48a9d RS |
2265 | } |
2266 | if (atoms) XFree ((char *) atoms); | |
2267 | } | |
2268 | { | |
2269 | Atom props [10]; | |
2270 | int count = 0; | |
b9dc4443 RS |
2271 | if (need_delete) |
2272 | props[count++] = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_delete_window; | |
2273 | if (need_focus) | |
2274 | props[count++] = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_take_focus; | |
2275 | if (need_save) | |
2276 | props[count++] = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_save_yourself; | |
9ef48a9d | 2277 | if (count) |
b9dc4443 RS |
2278 | XChangeProperty (dpy, w, FRAME_X_DISPLAY_INFO (f)->Xatom_wm_protocols, |
2279 | XA_ATOM, 32, PropModeAppend, | |
9ef48a9d RS |
2280 | (unsigned char *) props, count); |
2281 | } | |
2282 | UNBLOCK_INPUT; | |
2283 | } | |
2284 | #endif | |
86779fac GM |
2285 | |
2286 | ||
5a7df7d7 GM |
2287 | \f |
2288 | /* Support routines for XIC (X Input Context). */ | |
86779fac | 2289 | |
5a7df7d7 GM |
2290 | #ifdef HAVE_X_I18N |
2291 | ||
2292 | static XFontSet xic_create_xfontset P_ ((struct frame *, char *)); | |
2293 | static XIMStyle best_xim_style P_ ((XIMStyles *, XIMStyles *)); | |
2294 | ||
2295 | ||
1576f1ad | 2296 | /* Supported XIM styles, ordered by preference. */ |
5a7df7d7 GM |
2297 | |
2298 | static XIMStyle supported_xim_styles[] = | |
2299 | { | |
2300 | XIMPreeditPosition | XIMStatusArea, | |
2301 | XIMPreeditPosition | XIMStatusNothing, | |
2302 | XIMPreeditPosition | XIMStatusNone, | |
2303 | XIMPreeditNothing | XIMStatusArea, | |
2304 | XIMPreeditNothing | XIMStatusNothing, | |
2305 | XIMPreeditNothing | XIMStatusNone, | |
2306 | XIMPreeditNone | XIMStatusArea, | |
2307 | XIMPreeditNone | XIMStatusNothing, | |
2308 | XIMPreeditNone | XIMStatusNone, | |
2309 | 0, | |
2310 | }; | |
2311 | ||
2312 | ||
2313 | /* Create an X fontset on frame F with base font name | |
2314 | BASE_FONTNAME.. */ | |
2315 | ||
2316 | static XFontSet | |
2317 | xic_create_xfontset (f, base_fontname) | |
86779fac | 2318 | struct frame *f; |
5a7df7d7 | 2319 | char *base_fontname; |
86779fac | 2320 | { |
5a7df7d7 GM |
2321 | XFontSet xfs; |
2322 | char **missing_list; | |
2323 | int missing_count; | |
2324 | char *def_string; | |
177c0ea7 | 2325 | |
5a7df7d7 GM |
2326 | xfs = XCreateFontSet (FRAME_X_DISPLAY (f), |
2327 | base_fontname, &missing_list, | |
2328 | &missing_count, &def_string); | |
2329 | if (missing_list) | |
2330 | XFreeStringList (missing_list); | |
177c0ea7 | 2331 | |
5a7df7d7 GM |
2332 | /* No need to free def_string. */ |
2333 | return xfs; | |
2334 | } | |
2335 | ||
2336 | ||
2337 | /* Value is the best input style, given user preferences USER (already | |
2338 | checked to be supported by Emacs), and styles supported by the | |
2339 | input method XIM. */ | |
2340 | ||
2341 | static XIMStyle | |
2342 | best_xim_style (user, xim) | |
2343 | XIMStyles *user; | |
2344 | XIMStyles *xim; | |
2345 | { | |
2346 | int i, j; | |
2347 | ||
2348 | for (i = 0; i < user->count_styles; ++i) | |
2349 | for (j = 0; j < xim->count_styles; ++j) | |
2350 | if (user->supported_styles[i] == xim->supported_styles[j]) | |
2351 | return user->supported_styles[i]; | |
2352 | ||
2353 | /* Return the default style. */ | |
2354 | return XIMPreeditNothing | XIMStatusNothing; | |
2355 | } | |
2356 | ||
2357 | /* Create XIC for frame F. */ | |
2358 | ||
5df79d3d GM |
2359 | static XIMStyle xic_style; |
2360 | ||
5a7df7d7 GM |
2361 | void |
2362 | create_frame_xic (f) | |
2363 | struct frame *f; | |
2364 | { | |
5a7df7d7 GM |
2365 | XIM xim; |
2366 | XIC xic = NULL; | |
2367 | XFontSet xfs = NULL; | |
86779fac | 2368 | |
5a7df7d7 GM |
2369 | if (FRAME_XIC (f)) |
2370 | return; | |
177c0ea7 | 2371 | |
5a7df7d7 GM |
2372 | xim = FRAME_X_XIM (f); |
2373 | if (xim) | |
2374 | { | |
d9d57cb2 DL |
2375 | XRectangle s_area; |
2376 | XPoint spot; | |
5a7df7d7 GM |
2377 | XVaNestedList preedit_attr; |
2378 | XVaNestedList status_attr; | |
2379 | char *base_fontname; | |
2380 | int fontset; | |
2381 | ||
d9d57cb2 DL |
2382 | s_area.x = 0; s_area.y = 0; s_area.width = 1; s_area.height = 1; |
2383 | spot.x = 0; spot.y = 1; | |
5a7df7d7 GM |
2384 | /* Create X fontset. */ |
2385 | fontset = FRAME_FONTSET (f); | |
2386 | if (fontset < 0) | |
2387 | base_fontname = "-*-*-*-r-normal--14-*-*-*-*-*-*-*"; | |
2388 | else | |
2389 | { | |
6ecb43ce KH |
2390 | /* Determine the base fontname from the ASCII font name of |
2391 | FONTSET. */ | |
d5db4077 | 2392 | char *ascii_font = (char *) SDATA (fontset_ascii (fontset)); |
6ecb43ce | 2393 | char *p = ascii_font; |
5a7df7d7 | 2394 | int i; |
6ecb43ce KH |
2395 | |
2396 | for (i = 0; *p; p++) | |
2397 | if (*p == '-') i++; | |
2398 | if (i != 14) | |
2399 | /* As the font name doesn't conform to XLFD, we can't | |
2400 | modify it to get a suitable base fontname for the | |
2401 | frame. */ | |
2402 | base_fontname = "-*-*-*-r-normal--14-*-*-*-*-*-*-*"; | |
2403 | else | |
2404 | { | |
2405 | int len = strlen (ascii_font) + 1; | |
8ec8a5ec | 2406 | char *p1 = NULL; |
6ecb43ce KH |
2407 | |
2408 | for (i = 0, p = ascii_font; i < 8; p++) | |
2409 | { | |
2410 | if (*p == '-') | |
2411 | { | |
2412 | i++; | |
2413 | if (i == 3) | |
2414 | p1 = p + 1; | |
2415 | } | |
2416 | } | |
2417 | base_fontname = (char *) alloca (len); | |
2418 | bzero (base_fontname, len); | |
2419 | strcpy (base_fontname, "-*-*-"); | |
2420 | bcopy (p1, base_fontname + 5, p - p1); | |
2421 | strcat (base_fontname, "*-*-*-*-*-*-*"); | |
2422 | } | |
5a7df7d7 GM |
2423 | } |
2424 | xfs = xic_create_xfontset (f, base_fontname); | |
86779fac | 2425 | |
5a7df7d7 GM |
2426 | /* Determine XIC style. */ |
2427 | if (xic_style == 0) | |
2428 | { | |
2429 | XIMStyles supported_list; | |
2430 | supported_list.count_styles = (sizeof supported_xim_styles | |
2431 | / sizeof supported_xim_styles[0]); | |
2432 | supported_list.supported_styles = supported_xim_styles; | |
2433 | xic_style = best_xim_style (&supported_list, | |
2434 | FRAME_X_XIM_STYLES (f)); | |
2435 | } | |
86779fac | 2436 | |
5a7df7d7 GM |
2437 | preedit_attr = XVaCreateNestedList (0, |
2438 | XNFontSet, xfs, | |
2439 | XNForeground, | |
2440 | FRAME_FOREGROUND_PIXEL (f), | |
2441 | XNBackground, | |
2442 | FRAME_BACKGROUND_PIXEL (f), | |
2443 | (xic_style & XIMPreeditPosition | |
2444 | ? XNSpotLocation | |
2445 | : NULL), | |
2446 | &spot, | |
2447 | NULL); | |
2448 | status_attr = XVaCreateNestedList (0, | |
2449 | XNArea, | |
2450 | &s_area, | |
2451 | XNFontSet, | |
2452 | xfs, | |
2453 | XNForeground, | |
2454 | FRAME_FOREGROUND_PIXEL (f), | |
2455 | XNBackground, | |
2456 | FRAME_BACKGROUND_PIXEL (f), | |
2457 | NULL); | |
2458 | ||
2459 | xic = XCreateIC (xim, | |
2460 | XNInputStyle, xic_style, | |
2461 | XNClientWindow, FRAME_X_WINDOW(f), | |
2462 | XNFocusWindow, FRAME_X_WINDOW(f), | |
2463 | XNStatusAttributes, status_attr, | |
2464 | XNPreeditAttributes, preedit_attr, | |
2465 | NULL); | |
2466 | XFree (preedit_attr); | |
2467 | XFree (status_attr); | |
2468 | } | |
177c0ea7 | 2469 | |
5a7df7d7 GM |
2470 | FRAME_XIC (f) = xic; |
2471 | FRAME_XIC_STYLE (f) = xic_style; | |
2472 | FRAME_XIC_FONTSET (f) = xfs; | |
86779fac GM |
2473 | } |
2474 | ||
5a7df7d7 GM |
2475 | |
2476 | /* Destroy XIC and free XIC fontset of frame F, if any. */ | |
2477 | ||
2478 | void | |
2479 | free_frame_xic (f) | |
2480 | struct frame *f; | |
2481 | { | |
2482 | if (FRAME_XIC (f) == NULL) | |
2483 | return; | |
177c0ea7 | 2484 | |
5a7df7d7 GM |
2485 | XDestroyIC (FRAME_XIC (f)); |
2486 | if (FRAME_XIC_FONTSET (f)) | |
2487 | XFreeFontSet (FRAME_X_DISPLAY (f), FRAME_XIC_FONTSET (f)); | |
2488 | ||
2489 | FRAME_XIC (f) = NULL; | |
2490 | FRAME_XIC_FONTSET (f) = NULL; | |
2491 | } | |
2492 | ||
2493 | ||
2494 | /* Place preedit area for XIC of window W's frame to specified | |
2495 | pixel position X/Y. X and Y are relative to window W. */ | |
2496 | ||
2497 | void | |
2498 | xic_set_preeditarea (w, x, y) | |
2499 | struct window *w; | |
2500 | int x, y; | |
2501 | { | |
2502 | struct frame *f = XFRAME (w->frame); | |
2503 | XVaNestedList attr; | |
2504 | XPoint spot; | |
177c0ea7 | 2505 | |
17e6d491 | 2506 | spot.x = WINDOW_TO_FRAME_PIXEL_X (w, x) + WINDOW_LEFT_FRINGE_WIDTH (w); |
5a7df7d7 GM |
2507 | spot.y = WINDOW_TO_FRAME_PIXEL_Y (w, y) + FONT_BASE (FRAME_FONT (f)); |
2508 | attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL); | |
2509 | XSetICValues (FRAME_XIC (f), XNPreeditAttributes, attr, NULL); | |
2510 | XFree (attr); | |
2511 | } | |
2512 | ||
2513 | ||
2514 | /* Place status area for XIC in bottom right corner of frame F.. */ | |
2515 | ||
2516 | void | |
2517 | xic_set_statusarea (f) | |
2518 | struct frame *f; | |
2519 | { | |
2520 | XIC xic = FRAME_XIC (f); | |
2521 | XVaNestedList attr; | |
2522 | XRectangle area; | |
2523 | XRectangle *needed; | |
2524 | ||
2525 | /* Negotiate geometry of status area. If input method has existing | |
2526 | status area, use its current size. */ | |
2527 | area.x = area.y = area.width = area.height = 0; | |
2528 | attr = XVaCreateNestedList (0, XNAreaNeeded, &area, NULL); | |
2529 | XSetICValues (xic, XNStatusAttributes, attr, NULL); | |
2530 | XFree (attr); | |
177c0ea7 | 2531 | |
5a7df7d7 GM |
2532 | attr = XVaCreateNestedList (0, XNAreaNeeded, &needed, NULL); |
2533 | XGetICValues (xic, XNStatusAttributes, attr, NULL); | |
2534 | XFree (attr); | |
2535 | ||
2536 | if (needed->width == 0) /* Use XNArea instead of XNAreaNeeded */ | |
2537 | { | |
2538 | attr = XVaCreateNestedList (0, XNArea, &needed, NULL); | |
2539 | XGetICValues (xic, XNStatusAttributes, attr, NULL); | |
2540 | XFree (attr); | |
2541 | } | |
2542 | ||
2543 | area.width = needed->width; | |
2544 | area.height = needed->height; | |
be786000 KS |
2545 | area.x = FRAME_PIXEL_WIDTH (f) - area.width - FRAME_INTERNAL_BORDER_WIDTH (f); |
2546 | area.y = (FRAME_PIXEL_HEIGHT (f) - area.height | |
488dd4c4 JD |
2547 | - FRAME_MENUBAR_HEIGHT (f) |
2548 | - FRAME_TOOLBAR_HEIGHT (f) | |
2549 | - FRAME_INTERNAL_BORDER_WIDTH (f)); | |
5a7df7d7 GM |
2550 | XFree (needed); |
2551 | ||
2552 | attr = XVaCreateNestedList (0, XNArea, &area, NULL); | |
2553 | XSetICValues(xic, XNStatusAttributes, attr, NULL); | |
2554 | XFree (attr); | |
2555 | } | |
2556 | ||
2557 | ||
2558 | /* Set X fontset for XIC of frame F, using base font name | |
2559 | BASE_FONTNAME. Called when a new Emacs fontset is chosen. */ | |
2560 | ||
2561 | void | |
2562 | xic_set_xfontset (f, base_fontname) | |
2563 | struct frame *f; | |
2564 | char *base_fontname; | |
2565 | { | |
2566 | XVaNestedList attr; | |
2567 | XFontSet xfs; | |
2568 | ||
2569 | xfs = xic_create_xfontset (f, base_fontname); | |
2570 | ||
2571 | attr = XVaCreateNestedList (0, XNFontSet, xfs, NULL); | |
2572 | if (FRAME_XIC_STYLE (f) & XIMPreeditPosition) | |
2573 | XSetICValues (FRAME_XIC (f), XNPreeditAttributes, attr, NULL); | |
2574 | if (FRAME_XIC_STYLE (f) & XIMStatusArea) | |
2575 | XSetICValues (FRAME_XIC (f), XNStatusAttributes, attr, NULL); | |
2576 | XFree (attr); | |
177c0ea7 | 2577 | |
5a7df7d7 GM |
2578 | if (FRAME_XIC_FONTSET (f)) |
2579 | XFreeFontSet (FRAME_X_DISPLAY (f), FRAME_XIC_FONTSET (f)); | |
2580 | FRAME_XIC_FONTSET (f) = xfs; | |
2581 | } | |
2582 | ||
2583 | #endif /* HAVE_X_I18N */ | |
2584 | ||
2585 | ||
9ef48a9d | 2586 | \f |
8fc2766b RS |
2587 | #ifdef USE_X_TOOLKIT |
2588 | ||
2589 | /* Create and set up the X widget for frame F. */ | |
f58534a3 | 2590 | |
01f1ba30 | 2591 | static void |
a7f7d550 FP |
2592 | x_window (f, window_prompting, minibuffer_only) |
2593 | struct frame *f; | |
2594 | long window_prompting; | |
2595 | int minibuffer_only; | |
01f1ba30 | 2596 | { |
9ef48a9d | 2597 | XClassHint class_hints; |
31ac8d8c FP |
2598 | XSetWindowAttributes attributes; |
2599 | unsigned long attribute_mask; | |
9ef48a9d RS |
2600 | Widget shell_widget; |
2601 | Widget pane_widget; | |
6c32dd68 | 2602 | Widget frame_widget; |
9ef48a9d RS |
2603 | Arg al [25]; |
2604 | int ac; | |
2605 | ||
2606 | BLOCK_INPUT; | |
2607 | ||
b7975ee4 KH |
2608 | /* Use the resource name as the top-level widget name |
2609 | for looking up resources. Make a non-Lisp copy | |
2610 | for the window manager, so GC relocation won't bother it. | |
2611 | ||
2612 | Elsewhere we specify the window name for the window manager. */ | |
177c0ea7 | 2613 | |
cca176a0 | 2614 | { |
d5db4077 | 2615 | char *str = (char *) SDATA (Vx_resource_name); |
b7975ee4 | 2616 | f->namebuf = (char *) xmalloc (strlen (str) + 1); |
cca176a0 KH |
2617 | strcpy (f->namebuf, str); |
2618 | } | |
9ef48a9d RS |
2619 | |
2620 | ac = 0; | |
2621 | XtSetArg (al[ac], XtNallowShellResize, 1); ac++; | |
2622 | XtSetArg (al[ac], XtNinput, 1); ac++; | |
97787173 | 2623 | XtSetArg (al[ac], XtNmappedWhenManaged, 0); ac++; |
be786000 | 2624 | XtSetArg (al[ac], XtNborderWidth, f->border_width); ac++; |
9b2956e2 GM |
2625 | XtSetArg (al[ac], XtNvisual, FRAME_X_VISUAL (f)); ac++; |
2626 | XtSetArg (al[ac], XtNdepth, FRAME_X_DISPLAY_INFO (f)->n_planes); ac++; | |
2627 | XtSetArg (al[ac], XtNcolormap, FRAME_X_COLORMAP (f)); ac++; | |
cca176a0 | 2628 | shell_widget = XtAppCreateShell (f->namebuf, EMACS_CLASS, |
7a994728 | 2629 | applicationShellWidgetClass, |
82c90203 | 2630 | FRAME_X_DISPLAY (f), al, ac); |
9ef48a9d | 2631 | |
7556890b | 2632 | f->output_data.x->widget = shell_widget; |
9ef48a9d RS |
2633 | /* maybe_set_screen_title_format (shell_widget); */ |
2634 | ||
6c32dd68 PR |
2635 | pane_widget = lw_create_widget ("main", "pane", widget_id_tick++, |
2636 | (widget_value *) NULL, | |
2637 | shell_widget, False, | |
2638 | (lw_callback) NULL, | |
2639 | (lw_callback) NULL, | |
b6e11efd | 2640 | (lw_callback) NULL, |
6c32dd68 | 2641 | (lw_callback) NULL); |
9ef48a9d | 2642 | |
9b2956e2 GM |
2643 | ac = 0; |
2644 | XtSetArg (al[ac], XtNvisual, FRAME_X_VISUAL (f)); ac++; | |
2645 | XtSetArg (al[ac], XtNdepth, FRAME_X_DISPLAY_INFO (f)->n_planes); ac++; | |
2646 | XtSetArg (al[ac], XtNcolormap, FRAME_X_COLORMAP (f)); ac++; | |
2647 | XtSetValues (pane_widget, al, ac); | |
7556890b | 2648 | f->output_data.x->column_widget = pane_widget; |
a7f7d550 | 2649 | |
177c0ea7 | 2650 | /* mappedWhenManaged to false tells to the paned window to not map/unmap |
5e65b9ab | 2651 | the emacs screen when changing menubar. This reduces flickering. */ |
9ef48a9d RS |
2652 | |
2653 | ac = 0; | |
2654 | XtSetArg (al[ac], XtNmappedWhenManaged, 0); ac++; | |
2655 | XtSetArg (al[ac], XtNshowGrip, 0); ac++; | |
2656 | XtSetArg (al[ac], XtNallowResize, 1); ac++; | |
2657 | XtSetArg (al[ac], XtNresizeToPreferred, 1); ac++; | |
2658 | XtSetArg (al[ac], XtNemacsFrame, f); ac++; | |
9b2956e2 GM |
2659 | XtSetArg (al[ac], XtNvisual, FRAME_X_VISUAL (f)); ac++; |
2660 | XtSetArg (al[ac], XtNdepth, FRAME_X_DISPLAY_INFO (f)->n_planes); ac++; | |
2661 | XtSetArg (al[ac], XtNcolormap, FRAME_X_COLORMAP (f)); ac++; | |
2662 | frame_widget = XtCreateWidget (f->namebuf, emacsFrameClass, pane_widget, | |
2663 | al, ac); | |
177c0ea7 | 2664 | |
7556890b | 2665 | f->output_data.x->edit_widget = frame_widget; |
177c0ea7 JB |
2666 | |
2667 | XtManageChild (frame_widget); | |
a7f7d550 FP |
2668 | |
2669 | /* Do some needed geometry management. */ | |
2670 | { | |
2671 | int len; | |
2672 | char *tem, shell_position[32]; | |
2673 | Arg al[2]; | |
2674 | int ac = 0; | |
5031cc10 | 2675 | int extra_borders = 0; |
177c0ea7 | 2676 | int menubar_size |
7556890b RS |
2677 | = (f->output_data.x->menubar_widget |
2678 | ? (f->output_data.x->menubar_widget->core.height | |
2679 | + f->output_data.x->menubar_widget->core.border_width) | |
8fc2766b | 2680 | : 0); |
a7f7d550 | 2681 | |
f7008aff RS |
2682 | #if 0 /* Experimentally, we now get the right results |
2683 | for -geometry -0-0 without this. 24 Aug 96, rms. */ | |
01cbdba5 RS |
2684 | if (FRAME_EXTERNAL_MENU_BAR (f)) |
2685 | { | |
dd254b21 | 2686 | Dimension ibw = 0; |
01cbdba5 RS |
2687 | XtVaGetValues (pane_widget, XtNinternalBorderWidth, &ibw, NULL); |
2688 | menubar_size += ibw; | |
2689 | } | |
f7008aff | 2690 | #endif |
01cbdba5 | 2691 | |
7556890b | 2692 | f->output_data.x->menubar_height = menubar_size; |
00983aba | 2693 | |
440b0bfd | 2694 | #ifndef USE_LUCID |
5031cc10 KH |
2695 | /* Motif seems to need this amount added to the sizes |
2696 | specified for the shell widget. The Athena/Lucid widgets don't. | |
2697 | Both conclusions reached experimentally. -- rms. */ | |
440b0bfd RS |
2698 | XtVaGetValues (f->output_data.x->edit_widget, XtNinternalBorderWidth, |
2699 | &extra_borders, NULL); | |
2700 | extra_borders *= 2; | |
2701 | #endif | |
5031cc10 | 2702 | |
97787173 RS |
2703 | /* Convert our geometry parameters into a geometry string |
2704 | and specify it. | |
2705 | Note that we do not specify here whether the position | |
2706 | is a user-specified or program-specified one. | |
2707 | We pass that information later, in x_wm_set_size_hints. */ | |
2708 | { | |
be786000 | 2709 | int left = f->left_pos; |
97787173 | 2710 | int xneg = window_prompting & XNegative; |
be786000 | 2711 | int top = f->top_pos; |
97787173 RS |
2712 | int yneg = window_prompting & YNegative; |
2713 | if (xneg) | |
2714 | left = -left; | |
2715 | if (yneg) | |
2716 | top = -top; | |
c760f47e KH |
2717 | |
2718 | if (window_prompting & USPosition) | |
5031cc10 | 2719 | sprintf (shell_position, "=%dx%d%c%d%c%d", |
be786000 KS |
2720 | FRAME_PIXEL_WIDTH (f) + extra_borders, |
2721 | FRAME_PIXEL_HEIGHT (f) + menubar_size + extra_borders, | |
c760f47e KH |
2722 | (xneg ? '-' : '+'), left, |
2723 | (yneg ? '-' : '+'), top); | |
2724 | else | |
5031cc10 | 2725 | sprintf (shell_position, "=%dx%d", |
be786000 KS |
2726 | FRAME_PIXEL_WIDTH (f) + extra_borders, |
2727 | FRAME_PIXEL_HEIGHT (f) + menubar_size + extra_borders); | |
97787173 RS |
2728 | } |
2729 | ||
a7f7d550 | 2730 | len = strlen (shell_position) + 1; |
77110caa RS |
2731 | /* We don't free this because we don't know whether |
2732 | it is safe to free it while the frame exists. | |
2733 | It isn't worth the trouble of arranging to free it | |
2734 | when the frame is deleted. */ | |
a7f7d550 FP |
2735 | tem = (char *) xmalloc (len); |
2736 | strncpy (tem, shell_position, len); | |
2737 | XtSetArg (al[ac], XtNgeometry, tem); ac++; | |
2738 | XtSetValues (shell_widget, al, ac); | |
2739 | } | |
2740 | ||
9ef48a9d RS |
2741 | XtManageChild (pane_widget); |
2742 | XtRealizeWidget (shell_widget); | |
2743 | ||
177c0ea7 | 2744 | FRAME_X_WINDOW (f) = XtWindow (frame_widget); |
9ef48a9d RS |
2745 | |
2746 | validate_x_resource_name (); | |
b7975ee4 | 2747 | |
d5db4077 KR |
2748 | class_hints.res_name = (char *) SDATA (Vx_resource_name); |
2749 | class_hints.res_class = (char *) SDATA (Vx_resource_class); | |
b9dc4443 | 2750 | XSetClassHint (FRAME_X_DISPLAY (f), XtWindow (shell_widget), &class_hints); |
5a7df7d7 GM |
2751 | |
2752 | #ifdef HAVE_X_I18N | |
2753 | FRAME_XIC (f) = NULL; | |
1576f1ad DL |
2754 | if (use_xim) |
2755 | create_frame_xic (f); | |
5a7df7d7 | 2756 | #endif |
64d16748 | 2757 | |
7556890b RS |
2758 | f->output_data.x->wm_hints.input = True; |
2759 | f->output_data.x->wm_hints.flags |= InputHint; | |
b9dc4443 | 2760 | XSetWMHints (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 2761 | &f->output_data.x->wm_hints); |
b8228beb | 2762 | |
c4ec904f | 2763 | hack_wm_protocols (f, shell_widget); |
9ef48a9d | 2764 | |
6c32dd68 PR |
2765 | #ifdef HACK_EDITRES |
2766 | XtAddEventHandler (shell_widget, 0, True, _XEditResCheckMessages, 0); | |
2767 | #endif | |
2768 | ||
9ef48a9d | 2769 | /* Do a stupid property change to force the server to generate a |
333b20bb | 2770 | PropertyNotify event so that the event_stream server timestamp will |
9ef48a9d RS |
2771 | be initialized to something relevant to the time we created the window. |
2772 | */ | |
6c32dd68 | 2773 | XChangeProperty (XtDisplay (frame_widget), XtWindow (frame_widget), |
b9dc4443 RS |
2774 | FRAME_X_DISPLAY_INFO (f)->Xatom_wm_protocols, |
2775 | XA_ATOM, 32, PropModeAppend, | |
9ef48a9d RS |
2776 | (unsigned char*) NULL, 0); |
2777 | ||
5a7df7d7 | 2778 | /* Make all the standard events reach the Emacs frame. */ |
31ac8d8c | 2779 | attributes.event_mask = STANDARD_EVENT_SET; |
5a7df7d7 GM |
2780 | |
2781 | #ifdef HAVE_X_I18N | |
2782 | if (FRAME_XIC (f)) | |
2783 | { | |
2784 | /* XIM server might require some X events. */ | |
2785 | unsigned long fevent = NoEventMask; | |
2786 | XGetICValues(FRAME_XIC (f), XNFilterEvents, &fevent, NULL); | |
2787 | attributes.event_mask |= fevent; | |
2788 | } | |
2789 | #endif /* HAVE_X_I18N */ | |
177c0ea7 | 2790 | |
31ac8d8c FP |
2791 | attribute_mask = CWEventMask; |
2792 | XChangeWindowAttributes (XtDisplay (shell_widget), XtWindow (shell_widget), | |
2793 | attribute_mask, &attributes); | |
2794 | ||
6c32dd68 | 2795 | XtMapWidget (frame_widget); |
9ef48a9d | 2796 | |
8fc2766b RS |
2797 | /* x_set_name normally ignores requests to set the name if the |
2798 | requested name is the same as the current name. This is the one | |
2799 | place where that assumption isn't correct; f->name is set, but | |
2800 | the X server hasn't been told. */ | |
2801 | { | |
2802 | Lisp_Object name; | |
2803 | int explicit = f->explicit_name; | |
2804 | ||
2805 | f->explicit_name = 0; | |
2806 | name = f->name; | |
2807 | f->name = Qnil; | |
2808 | x_set_name (f, name, explicit); | |
2809 | } | |
2810 | ||
b9dc4443 | 2811 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 2812 | f->output_data.x->text_cursor); |
8fc2766b RS |
2813 | |
2814 | UNBLOCK_INPUT; | |
2815 | ||
495fa05e GM |
2816 | /* This is a no-op, except under Motif. Make sure main areas are |
2817 | set to something reasonable, in case we get an error later. */ | |
2818 | lw_set_main_areas (pane_widget, 0, frame_widget); | |
8fc2766b RS |
2819 | } |
2820 | ||
9ef48a9d | 2821 | #else /* not USE_X_TOOLKIT */ |
488dd4c4 JD |
2822 | #ifdef USE_GTK |
2823 | void | |
2824 | x_window (f) | |
2825 | FRAME_PTR f; | |
2826 | { | |
2827 | if (! xg_create_frame_widgets (f)) | |
2828 | error ("Unable to create window"); | |
1fcfb866 JD |
2829 | |
2830 | #ifdef HAVE_X_I18N | |
2831 | FRAME_XIC (f) = NULL; | |
1576f1ad DL |
2832 | if (use_xim) |
2833 | { | |
2834 | BLOCK_INPUT; | |
2835 | create_frame_xic (f); | |
2836 | if (FRAME_XIC (f)) | |
2837 | { | |
2838 | /* XIM server might require some X events. */ | |
2839 | unsigned long fevent = NoEventMask; | |
2840 | XGetICValues(FRAME_XIC (f), XNFilterEvents, &fevent, NULL); | |
1fcfb866 | 2841 | |
1576f1ad DL |
2842 | if (fevent != NoEventMask) |
2843 | { | |
2844 | XSetWindowAttributes attributes; | |
2845 | XWindowAttributes wattr; | |
2846 | unsigned long attribute_mask; | |
2847 | ||
2848 | XGetWindowAttributes (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
2849 | &wattr); | |
2850 | attributes.event_mask = wattr.your_event_mask | fevent; | |
2851 | attribute_mask = CWEventMask; | |
2852 | XChangeWindowAttributes (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
2853 | attribute_mask, &attributes); | |
2854 | } | |
2855 | } | |
2856 | UNBLOCK_INPUT; | |
2857 | } | |
1fcfb866 | 2858 | #endif |
488dd4c4 | 2859 | } |
9ef48a9d | 2860 | |
488dd4c4 | 2861 | #else /*! USE_GTK */ |
8fc2766b RS |
2862 | /* Create and set up the X window for frame F. */ |
2863 | ||
201d8c78 | 2864 | void |
8fc2766b RS |
2865 | x_window (f) |
2866 | struct frame *f; | |
2867 | ||
2868 | { | |
2869 | XClassHint class_hints; | |
2870 | XSetWindowAttributes attributes; | |
2871 | unsigned long attribute_mask; | |
2872 | ||
7556890b RS |
2873 | attributes.background_pixel = f->output_data.x->background_pixel; |
2874 | attributes.border_pixel = f->output_data.x->border_pixel; | |
01f1ba30 JB |
2875 | attributes.bit_gravity = StaticGravity; |
2876 | attributes.backing_store = NotUseful; | |
2877 | attributes.save_under = True; | |
2878 | attributes.event_mask = STANDARD_EVENT_SET; | |
9b2956e2 GM |
2879 | attributes.colormap = FRAME_X_COLORMAP (f); |
2880 | attribute_mask = (CWBackPixel | CWBorderPixel | CWBitGravity | CWEventMask | |
2881 | | CWColormap); | |
01f1ba30 JB |
2882 | |
2883 | BLOCK_INPUT; | |
fe24a618 | 2884 | FRAME_X_WINDOW (f) |
b9dc4443 | 2885 | = XCreateWindow (FRAME_X_DISPLAY (f), |
7556890b | 2886 | f->output_data.x->parent_desc, |
be786000 KS |
2887 | f->left_pos, |
2888 | f->top_pos, | |
2889 | FRAME_PIXEL_WIDTH (f), FRAME_PIXEL_HEIGHT (f), | |
2890 | f->border_width, | |
01f1ba30 JB |
2891 | CopyFromParent, /* depth */ |
2892 | InputOutput, /* class */ | |
383d6ffc | 2893 | FRAME_X_VISUAL (f), |
01f1ba30 | 2894 | attribute_mask, &attributes); |
5a7df7d7 GM |
2895 | |
2896 | #ifdef HAVE_X_I18N | |
4dacadcc | 2897 | if (use_xim) |
5a7df7d7 | 2898 | { |
1576f1ad DL |
2899 | create_frame_xic (f); |
2900 | if (FRAME_XIC (f)) | |
2901 | { | |
2902 | /* XIM server might require some X events. */ | |
2903 | unsigned long fevent = NoEventMask; | |
2904 | XGetICValues(FRAME_XIC (f), XNFilterEvents, &fevent, NULL); | |
2905 | attributes.event_mask |= fevent; | |
2906 | attribute_mask = CWEventMask; | |
2907 | XChangeWindowAttributes (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
2908 | attribute_mask, &attributes); | |
2909 | } | |
5a7df7d7 GM |
2910 | } |
2911 | #endif /* HAVE_X_I18N */ | |
177c0ea7 | 2912 | |
d387c960 | 2913 | validate_x_resource_name (); |
b7975ee4 | 2914 | |
d5db4077 KR |
2915 | class_hints.res_name = (char *) SDATA (Vx_resource_name); |
2916 | class_hints.res_class = (char *) SDATA (Vx_resource_class); | |
b9dc4443 | 2917 | XSetClassHint (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &class_hints); |
01f1ba30 | 2918 | |
00983aba KH |
2919 | /* The menubar is part of the ordinary display; |
2920 | it does not count in addition to the height of the window. */ | |
7556890b | 2921 | f->output_data.x->menubar_height = 0; |
00983aba | 2922 | |
179956b9 JB |
2923 | /* This indicates that we use the "Passive Input" input model. |
2924 | Unless we do this, we don't get the Focus{In,Out} events that we | |
2925 | need to draw the cursor correctly. Accursed bureaucrats. | |
b9dc4443 | 2926 | XWhipsAndChains (FRAME_X_DISPLAY (f), IronMaiden, &TheRack); */ |
179956b9 | 2927 | |
7556890b RS |
2928 | f->output_data.x->wm_hints.input = True; |
2929 | f->output_data.x->wm_hints.flags |= InputHint; | |
b9dc4443 | 2930 | XSetWMHints (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 2931 | &f->output_data.x->wm_hints); |
6d078211 | 2932 | f->output_data.x->wm_hints.icon_pixmap = None; |
179956b9 | 2933 | |
032e4ebe RS |
2934 | /* Request "save yourself" and "delete window" commands from wm. */ |
2935 | { | |
2936 | Atom protocols[2]; | |
b9dc4443 RS |
2937 | protocols[0] = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_delete_window; |
2938 | protocols[1] = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_save_yourself; | |
2939 | XSetWMProtocols (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), protocols, 2); | |
032e4ebe | 2940 | } |
9ef48a9d | 2941 | |
e373f201 JB |
2942 | /* x_set_name normally ignores requests to set the name if the |
2943 | requested name is the same as the current name. This is the one | |
2944 | place where that assumption isn't correct; f->name is set, but | |
2945 | the X server hasn't been told. */ | |
2946 | { | |
98381190 | 2947 | Lisp_Object name; |
cf177271 | 2948 | int explicit = f->explicit_name; |
e373f201 | 2949 | |
cf177271 | 2950 | f->explicit_name = 0; |
98381190 KH |
2951 | name = f->name; |
2952 | f->name = Qnil; | |
cf177271 | 2953 | x_set_name (f, name, explicit); |
e373f201 JB |
2954 | } |
2955 | ||
b9dc4443 | 2956 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 2957 | f->output_data.x->text_cursor); |
9ef48a9d | 2958 | |
01f1ba30 JB |
2959 | UNBLOCK_INPUT; |
2960 | ||
fe24a618 | 2961 | if (FRAME_X_WINDOW (f) == 0) |
9ef48a9d | 2962 | error ("Unable to create window"); |
01f1ba30 JB |
2963 | } |
2964 | ||
488dd4c4 | 2965 | #endif /* not USE_GTK */ |
8fc2766b RS |
2966 | #endif /* not USE_X_TOOLKIT */ |
2967 | ||
01f1ba30 JB |
2968 | /* Handle the icon stuff for this window. Perhaps later we might |
2969 | want an x_set_icon_position which can be called interactively as | |
b9dc4443 | 2970 | well. */ |
01f1ba30 JB |
2971 | |
2972 | static void | |
f676886a JB |
2973 | x_icon (f, parms) |
2974 | struct frame *f; | |
01f1ba30 JB |
2975 | Lisp_Object parms; |
2976 | { | |
f9942c9e | 2977 | Lisp_Object icon_x, icon_y; |
abb4b7ec | 2978 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
01f1ba30 JB |
2979 | |
2980 | /* Set the position of the icon. Note that twm groups all | |
b9dc4443 | 2981 | icons in an icon window. */ |
7c0d3ed8 KS |
2982 | icon_x = x_frame_get_and_record_arg (f, parms, Qicon_left, 0, 0, RES_TYPE_NUMBER); |
2983 | icon_y = x_frame_get_and_record_arg (f, parms, Qicon_top, 0, 0, RES_TYPE_NUMBER); | |
f9942c9e | 2984 | if (!EQ (icon_x, Qunbound) && !EQ (icon_y, Qunbound)) |
01f1ba30 | 2985 | { |
b7826503 PJ |
2986 | CHECK_NUMBER (icon_x); |
2987 | CHECK_NUMBER (icon_y); | |
01f1ba30 | 2988 | } |
f9942c9e | 2989 | else if (!EQ (icon_x, Qunbound) || !EQ (icon_y, Qunbound)) |
01f1ba30 | 2990 | error ("Both left and top icon corners of icon must be specified"); |
01f1ba30 | 2991 | |
f9942c9e JB |
2992 | BLOCK_INPUT; |
2993 | ||
fe24a618 JB |
2994 | if (! EQ (icon_x, Qunbound)) |
2995 | x_wm_set_icon_position (f, XINT (icon_x), XINT (icon_y)); | |
f9942c9e | 2996 | |
01f1ba30 | 2997 | /* Start up iconic or window? */ |
49795535 | 2998 | x_wm_set_window_state |
333b20bb GM |
2999 | (f, (EQ (x_get_arg (dpyinfo, parms, Qvisibility, 0, 0, RES_TYPE_SYMBOL), |
3000 | Qicon) | |
49795535 JB |
3001 | ? IconicState |
3002 | : NormalState)); | |
01f1ba30 | 3003 | |
d5db4077 | 3004 | x_text_icon (f, (char *) SDATA ((!NILP (f->icon_name) |
f468da95 | 3005 | ? f->icon_name |
d5db4077 | 3006 | : f->name))); |
80534dd6 | 3007 | |
01f1ba30 JB |
3008 | UNBLOCK_INPUT; |
3009 | } | |
3010 | ||
b243755a | 3011 | /* Make the GCs needed for this window, setting the |
01f1ba30 JB |
3012 | background, border and mouse colors; also create the |
3013 | mouse cursor and the gray border tile. */ | |
3014 | ||
f945b920 JB |
3015 | static char cursor_bits[] = |
3016 | { | |
3017 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
3018 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
3019 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
3020 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | |
3021 | }; | |
3022 | ||
01f1ba30 | 3023 | static void |
f676886a JB |
3024 | x_make_gc (f) |
3025 | struct frame *f; | |
01f1ba30 JB |
3026 | { |
3027 | XGCValues gc_values; | |
01f1ba30 | 3028 | |
6afb1d07 JB |
3029 | BLOCK_INPUT; |
3030 | ||
b243755a | 3031 | /* Create the GCs of this frame. |
9ef48a9d | 3032 | Note that many default values are used. */ |
01f1ba30 JB |
3033 | |
3034 | /* Normal video */ | |
be786000 | 3035 | gc_values.font = FRAME_FONT (f)->fid; |
7556890b RS |
3036 | gc_values.foreground = f->output_data.x->foreground_pixel; |
3037 | gc_values.background = f->output_data.x->background_pixel; | |
9ef48a9d | 3038 | gc_values.line_width = 0; /* Means 1 using fast algorithm. */ |
959e647d GM |
3039 | f->output_data.x->normal_gc |
3040 | = XCreateGC (FRAME_X_DISPLAY (f), | |
3041 | FRAME_X_WINDOW (f), | |
3042 | GCLineWidth | GCFont | GCForeground | GCBackground, | |
3043 | &gc_values); | |
01f1ba30 | 3044 | |
b9dc4443 | 3045 | /* Reverse video style. */ |
7556890b RS |
3046 | gc_values.foreground = f->output_data.x->background_pixel; |
3047 | gc_values.background = f->output_data.x->foreground_pixel; | |
959e647d GM |
3048 | f->output_data.x->reverse_gc |
3049 | = XCreateGC (FRAME_X_DISPLAY (f), | |
3050 | FRAME_X_WINDOW (f), | |
3051 | GCFont | GCForeground | GCBackground | GCLineWidth, | |
3052 | &gc_values); | |
01f1ba30 | 3053 | |
9ef48a9d | 3054 | /* Cursor has cursor-color background, background-color foreground. */ |
7556890b RS |
3055 | gc_values.foreground = f->output_data.x->background_pixel; |
3056 | gc_values.background = f->output_data.x->cursor_pixel; | |
01f1ba30 JB |
3057 | gc_values.fill_style = FillOpaqueStippled; |
3058 | gc_values.stipple | |
b9dc4443 RS |
3059 | = XCreateBitmapFromData (FRAME_X_DISPLAY (f), |
3060 | FRAME_X_DISPLAY_INFO (f)->root_window, | |
01f1ba30 | 3061 | cursor_bits, 16, 16); |
7556890b | 3062 | f->output_data.x->cursor_gc |
b9dc4443 | 3063 | = XCreateGC (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
01f1ba30 | 3064 | (GCFont | GCForeground | GCBackground |
ac1f48a4 | 3065 | | GCFillStyle /* | GCStipple */ | GCLineWidth), |
01f1ba30 JB |
3066 | &gc_values); |
3067 | ||
333b20bb GM |
3068 | /* Reliefs. */ |
3069 | f->output_data.x->white_relief.gc = 0; | |
3070 | f->output_data.x->black_relief.gc = 0; | |
3071 | ||
01f1ba30 | 3072 | /* Create the gray border tile used when the pointer is not in |
f676886a | 3073 | the frame. Since this depends on the frame's pixel values, |
9ef48a9d | 3074 | this must be done on a per-frame basis. */ |
7556890b | 3075 | f->output_data.x->border_tile |
d043f1a4 | 3076 | = (XCreatePixmapFromBitmapData |
177c0ea7 | 3077 | (FRAME_X_DISPLAY (f), FRAME_X_DISPLAY_INFO (f)->root_window, |
d043f1a4 | 3078 | gray_bits, gray_width, gray_height, |
7556890b RS |
3079 | f->output_data.x->foreground_pixel, |
3080 | f->output_data.x->background_pixel, | |
ab452f99 | 3081 | DefaultDepth (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f)))); |
6afb1d07 JB |
3082 | |
3083 | UNBLOCK_INPUT; | |
01f1ba30 | 3084 | } |
01f1ba30 | 3085 | |
959e647d GM |
3086 | |
3087 | /* Free what was was allocated in x_make_gc. */ | |
3088 | ||
3089 | void | |
3090 | x_free_gcs (f) | |
3091 | struct frame *f; | |
3092 | { | |
3093 | Display *dpy = FRAME_X_DISPLAY (f); | |
3094 | ||
3095 | BLOCK_INPUT; | |
177c0ea7 | 3096 | |
959e647d GM |
3097 | if (f->output_data.x->normal_gc) |
3098 | { | |
3099 | XFreeGC (dpy, f->output_data.x->normal_gc); | |
3100 | f->output_data.x->normal_gc = 0; | |
3101 | } | |
3102 | ||
3103 | if (f->output_data.x->reverse_gc) | |
3104 | { | |
3105 | XFreeGC (dpy, f->output_data.x->reverse_gc); | |
3106 | f->output_data.x->reverse_gc = 0; | |
3107 | } | |
177c0ea7 | 3108 | |
959e647d GM |
3109 | if (f->output_data.x->cursor_gc) |
3110 | { | |
3111 | XFreeGC (dpy, f->output_data.x->cursor_gc); | |
3112 | f->output_data.x->cursor_gc = 0; | |
3113 | } | |
3114 | ||
3115 | if (f->output_data.x->border_tile) | |
3116 | { | |
3117 | XFreePixmap (dpy, f->output_data.x->border_tile); | |
3118 | f->output_data.x->border_tile = 0; | |
3119 | } | |
3120 | ||
3121 | UNBLOCK_INPUT; | |
3122 | } | |
3123 | ||
3124 | ||
eaf1eea9 GM |
3125 | /* Handler for signals raised during x_create_frame and |
3126 | x_create_top_frame. FRAME is the frame which is partially | |
3127 | constructed. */ | |
3128 | ||
3129 | static Lisp_Object | |
3130 | unwind_create_frame (frame) | |
3131 | Lisp_Object frame; | |
3132 | { | |
3133 | struct frame *f = XFRAME (frame); | |
3134 | ||
3135 | /* If frame is ``official'', nothing to do. */ | |
3136 | if (!CONSP (Vframe_list) || !EQ (XCAR (Vframe_list), frame)) | |
3137 | { | |
f1d2ce7f | 3138 | #if GLYPH_DEBUG |
eaf1eea9 GM |
3139 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
3140 | #endif | |
177c0ea7 | 3141 | |
eaf1eea9 GM |
3142 | x_free_frame_resources (f); |
3143 | ||
3144 | /* Check that reference counts are indeed correct. */ | |
3145 | xassert (dpyinfo->reference_count == dpyinfo_refcount); | |
3146 | xassert (dpyinfo->image_cache->refcount == image_cache_refcount); | |
c844a81a | 3147 | return Qt; |
eaf1eea9 | 3148 | } |
177c0ea7 | 3149 | |
eaf1eea9 GM |
3150 | return Qnil; |
3151 | } | |
3152 | ||
3153 | ||
f676886a | 3154 | DEFUN ("x-create-frame", Fx_create_frame, Sx_create_frame, |
01f1ba30 | 3155 | 1, 1, 0, |
7ee72033 | 3156 | doc: /* Make a new X window, which is called a "frame" in Emacs terms. |
c061c855 GM |
3157 | Returns an Emacs frame object. |
3158 | ALIST is an alist of frame parameters. | |
3159 | If the parameters specify that the frame should not have a minibuffer, | |
3160 | and do not specify a specific minibuffer window to use, | |
3161 | then `default-minibuffer-frame' must be a frame whose minibuffer can | |
3162 | be shared by the new frame. | |
3163 | ||
7ee72033 MB |
3164 | This function is an internal primitive--use `make-frame' instead. */) |
3165 | (parms) | |
01f1ba30 JB |
3166 | Lisp_Object parms; |
3167 | { | |
f676886a | 3168 | struct frame *f; |
2365c027 | 3169 | Lisp_Object frame, tem; |
01f1ba30 JB |
3170 | Lisp_Object name; |
3171 | int minibuffer_only = 0; | |
3172 | long window_prompting = 0; | |
3173 | int width, height; | |
331379bf | 3174 | int count = SPECPDL_INDEX (); |
ecaca587 | 3175 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4; |
b9dc4443 | 3176 | Lisp_Object display; |
333b20bb | 3177 | struct x_display_info *dpyinfo = NULL; |
a59e4f3d | 3178 | Lisp_Object parent; |
e557f19d | 3179 | struct kboard *kb; |
01f1ba30 | 3180 | |
11ae94fe | 3181 | check_x (); |
01f1ba30 | 3182 | |
b7975ee4 KH |
3183 | /* Use this general default value to start with |
3184 | until we know if this frame has a specified name. */ | |
3185 | Vx_resource_name = Vinvocation_name; | |
3186 | ||
333b20bb | 3187 | display = x_get_arg (dpyinfo, parms, Qdisplay, 0, 0, RES_TYPE_STRING); |
b9dc4443 RS |
3188 | if (EQ (display, Qunbound)) |
3189 | display = Qnil; | |
3190 | dpyinfo = check_x_display_info (display); | |
e557f19d KH |
3191 | #ifdef MULTI_KBOARD |
3192 | kb = dpyinfo->kboard; | |
3193 | #else | |
3194 | kb = &the_only_kboard; | |
3195 | #endif | |
b9dc4443 | 3196 | |
333b20bb | 3197 | name = x_get_arg (dpyinfo, parms, Qname, "name", "Name", RES_TYPE_STRING); |
6a5e54e2 | 3198 | if (!STRINGP (name) |
cf177271 JB |
3199 | && ! EQ (name, Qunbound) |
3200 | && ! NILP (name)) | |
08a90d6a | 3201 | error ("Invalid frame name--not a string or nil"); |
01f1ba30 | 3202 | |
b7975ee4 KH |
3203 | if (STRINGP (name)) |
3204 | Vx_resource_name = name; | |
3205 | ||
a59e4f3d | 3206 | /* See if parent window is specified. */ |
333b20bb | 3207 | parent = x_get_arg (dpyinfo, parms, Qparent_id, NULL, NULL, RES_TYPE_NUMBER); |
a59e4f3d RS |
3208 | if (EQ (parent, Qunbound)) |
3209 | parent = Qnil; | |
3210 | if (! NILP (parent)) | |
b7826503 | 3211 | CHECK_NUMBER (parent); |
a59e4f3d | 3212 | |
ecaca587 RS |
3213 | /* make_frame_without_minibuffer can run Lisp code and garbage collect. */ |
3214 | /* No need to protect DISPLAY because that's not used after passing | |
3215 | it to make_frame_without_minibuffer. */ | |
3216 | frame = Qnil; | |
3217 | GCPRO4 (parms, parent, name, frame); | |
333b20bb GM |
3218 | tem = x_get_arg (dpyinfo, parms, Qminibuffer, "minibuffer", "Minibuffer", |
3219 | RES_TYPE_SYMBOL); | |
f9942c9e | 3220 | if (EQ (tem, Qnone) || NILP (tem)) |
2526c290 | 3221 | f = make_frame_without_minibuffer (Qnil, kb, display); |
f9942c9e | 3222 | else if (EQ (tem, Qonly)) |
01f1ba30 | 3223 | { |
f676886a | 3224 | f = make_minibuffer_frame (); |
01f1ba30 JB |
3225 | minibuffer_only = 1; |
3226 | } | |
6a5e54e2 | 3227 | else if (WINDOWP (tem)) |
2526c290 | 3228 | f = make_frame_without_minibuffer (tem, kb, display); |
f9942c9e JB |
3229 | else |
3230 | f = make_frame (1); | |
01f1ba30 | 3231 | |
ecaca587 RS |
3232 | XSETFRAME (frame, f); |
3233 | ||
a3c87d4e JB |
3234 | /* Note that X Windows does support scroll bars. */ |
3235 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 1; | |
179956b9 | 3236 | |
08a90d6a | 3237 | f->output_method = output_x_window; |
7556890b RS |
3238 | f->output_data.x = (struct x_output *) xmalloc (sizeof (struct x_output)); |
3239 | bzero (f->output_data.x, sizeof (struct x_output)); | |
3240 | f->output_data.x->icon_bitmap = -1; | |
be786000 | 3241 | FRAME_FONTSET (f) = -1; |
333b20bb GM |
3242 | f->output_data.x->scroll_bar_foreground_pixel = -1; |
3243 | f->output_data.x->scroll_bar_background_pixel = -1; | |
f15340b7 MB |
3244 | #ifdef USE_TOOLKIT_SCROLL_BARS |
3245 | f->output_data.x->scroll_bar_top_shadow_pixel = -1; | |
3246 | f->output_data.x->scroll_bar_bottom_shadow_pixel = -1; | |
3247 | #endif /* USE_TOOLKIT_SCROLL_BARS */ | |
eaf1eea9 | 3248 | record_unwind_protect (unwind_create_frame, frame); |
08a90d6a | 3249 | |
f468da95 | 3250 | f->icon_name |
333b20bb GM |
3251 | = x_get_arg (dpyinfo, parms, Qicon_name, "iconName", "Title", |
3252 | RES_TYPE_STRING); | |
f468da95 RS |
3253 | if (! STRINGP (f->icon_name)) |
3254 | f->icon_name = Qnil; | |
80534dd6 | 3255 | |
08a90d6a | 3256 | FRAME_X_DISPLAY_INFO (f) = dpyinfo; |
f1d2ce7f | 3257 | #if GLYPH_DEBUG |
eaf1eea9 GM |
3258 | image_cache_refcount = FRAME_X_IMAGE_CACHE (f)->refcount; |
3259 | dpyinfo_refcount = dpyinfo->reference_count; | |
3260 | #endif /* GLYPH_DEBUG */ | |
73410c76 | 3261 | #ifdef MULTI_KBOARD |
e557f19d | 3262 | FRAME_KBOARD (f) = kb; |
73410c76 | 3263 | #endif |
08a90d6a | 3264 | |
9b2956e2 GM |
3265 | /* These colors will be set anyway later, but it's important |
3266 | to get the color reference counts right, so initialize them! */ | |
3267 | { | |
3268 | Lisp_Object black; | |
3269 | struct gcpro gcpro1; | |
cefecbcf GM |
3270 | |
3271 | /* Function x_decode_color can signal an error. Make | |
3272 | sure to initialize color slots so that we won't try | |
3273 | to free colors we haven't allocated. */ | |
3274 | f->output_data.x->foreground_pixel = -1; | |
3275 | f->output_data.x->background_pixel = -1; | |
3276 | f->output_data.x->cursor_pixel = -1; | |
3277 | f->output_data.x->cursor_foreground_pixel = -1; | |
3278 | f->output_data.x->border_pixel = -1; | |
3279 | f->output_data.x->mouse_pixel = -1; | |
177c0ea7 | 3280 | |
9b2956e2 GM |
3281 | black = build_string ("black"); |
3282 | GCPRO1 (black); | |
3283 | f->output_data.x->foreground_pixel | |
3284 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
3285 | f->output_data.x->background_pixel | |
3286 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
3287 | f->output_data.x->cursor_pixel | |
3288 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
3289 | f->output_data.x->cursor_foreground_pixel | |
3290 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
3291 | f->output_data.x->border_pixel | |
3292 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
3293 | f->output_data.x->mouse_pixel | |
3294 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
3295 | UNGCPRO; | |
3296 | } | |
3297 | ||
a59e4f3d RS |
3298 | /* Specify the parent under which to make this X window. */ |
3299 | ||
3300 | if (!NILP (parent)) | |
3301 | { | |
8c239ac3 | 3302 | f->output_data.x->parent_desc = (Window) XFASTINT (parent); |
7556890b | 3303 | f->output_data.x->explicit_parent = 1; |
a59e4f3d RS |
3304 | } |
3305 | else | |
3306 | { | |
7556890b RS |
3307 | f->output_data.x->parent_desc = FRAME_X_DISPLAY_INFO (f)->root_window; |
3308 | f->output_data.x->explicit_parent = 0; | |
a59e4f3d RS |
3309 | } |
3310 | ||
cf177271 JB |
3311 | /* Set the name; the functions to which we pass f expect the name to |
3312 | be set. */ | |
3313 | if (EQ (name, Qunbound) || NILP (name)) | |
3314 | { | |
08a90d6a | 3315 | f->name = build_string (dpyinfo->x_id_name); |
cf177271 JB |
3316 | f->explicit_name = 0; |
3317 | } | |
3318 | else | |
3319 | { | |
3320 | f->name = name; | |
3321 | f->explicit_name = 1; | |
9ef48a9d RS |
3322 | /* use the frame's title when getting resources for this frame. */ |
3323 | specbind (Qx_resource_name, name); | |
cf177271 | 3324 | } |
01f1ba30 | 3325 | |
01f1ba30 JB |
3326 | /* Extract the window parameters from the supplied values |
3327 | that are needed to determine window geometry. */ | |
d387c960 JB |
3328 | { |
3329 | Lisp_Object font; | |
3330 | ||
333b20bb | 3331 | font = x_get_arg (dpyinfo, parms, Qfont, "font", "Font", RES_TYPE_STRING); |
2ee3abaa | 3332 | |
6817eab4 | 3333 | BLOCK_INPUT; |
e5e548e3 RS |
3334 | /* First, try whatever font the caller has specified. */ |
3335 | if (STRINGP (font)) | |
942ea06d | 3336 | { |
49965a29 | 3337 | tem = Fquery_fontset (font, Qnil); |
477f8642 | 3338 | if (STRINGP (tem)) |
d5db4077 | 3339 | font = x_new_fontset (f, SDATA (tem)); |
942ea06d | 3340 | else |
d5db4077 | 3341 | font = x_new_font (f, SDATA (font)); |
942ea06d | 3342 | } |
177c0ea7 | 3343 | |
e5e548e3 | 3344 | /* Try out a font which we hope has bold and italic variations. */ |
333b20bb GM |
3345 | if (!STRINGP (font)) |
3346 | font = x_new_font (f, "-adobe-courier-medium-r-*-*-*-120-*-*-*-*-iso8859-1"); | |
e5e548e3 | 3347 | if (!STRINGP (font)) |
a6ac02af | 3348 | font = x_new_font (f, "-misc-fixed-medium-r-normal-*-*-140-*-*-c-*-iso8859-1"); |
e5e548e3 | 3349 | if (! STRINGP (font)) |
a6ac02af | 3350 | font = x_new_font (f, "-*-*-medium-r-normal-*-*-140-*-*-c-*-iso8859-1"); |
e5e548e3 RS |
3351 | if (! STRINGP (font)) |
3352 | /* This was formerly the first thing tried, but it finds too many fonts | |
3353 | and takes too long. */ | |
3354 | font = x_new_font (f, "-*-*-medium-r-*-*-*-*-*-*-c-*-iso8859-1"); | |
3355 | /* If those didn't work, look for something which will at least work. */ | |
3356 | if (! STRINGP (font)) | |
a6ac02af | 3357 | font = x_new_font (f, "-*-fixed-*-*-*-*-*-140-*-*-c-*-iso8859-1"); |
6817eab4 JB |
3358 | UNBLOCK_INPUT; |
3359 | if (! STRINGP (font)) | |
e5e548e3 RS |
3360 | font = build_string ("fixed"); |
3361 | ||
477f8642 | 3362 | x_default_parameter (f, parms, Qfont, font, |
333b20bb | 3363 | "font", "Font", RES_TYPE_STRING); |
d387c960 | 3364 | } |
9ef48a9d | 3365 | |
e3881aa0 | 3366 | #ifdef USE_LUCID |
82c90203 RS |
3367 | /* Prevent lwlib/xlwmenu.c from crashing because of a bug |
3368 | whereby it fails to get any font. */ | |
be786000 | 3369 | xlwmenu_default_font = FRAME_FONT (f); |
dd254b21 | 3370 | #endif |
82c90203 | 3371 | |
cf177271 | 3372 | x_default_parameter (f, parms, Qborder_width, make_number (2), |
333b20bb | 3373 | "borderWidth", "BorderWidth", RES_TYPE_NUMBER); |
177c0ea7 | 3374 | |
4e397688 | 3375 | /* This defaults to 1 in order to match xterm. We recognize either |
ddf768c3 JB |
3376 | internalBorderWidth or internalBorder (which is what xterm calls |
3377 | it). */ | |
3378 | if (NILP (Fassq (Qinternal_border_width, parms))) | |
3379 | { | |
3380 | Lisp_Object value; | |
3381 | ||
abb4b7ec | 3382 | value = x_get_arg (dpyinfo, parms, Qinternal_border_width, |
333b20bb | 3383 | "internalBorder", "internalBorder", RES_TYPE_NUMBER); |
ddf768c3 JB |
3384 | if (! EQ (value, Qunbound)) |
3385 | parms = Fcons (Fcons (Qinternal_border_width, value), | |
3386 | parms); | |
3387 | } | |
dca97592 | 3388 | x_default_parameter (f, parms, Qinternal_border_width, make_number (1), |
333b20bb GM |
3389 | "internalBorderWidth", "internalBorderWidth", |
3390 | RES_TYPE_NUMBER); | |
1ab3d87e | 3391 | x_default_parameter (f, parms, Qvertical_scroll_bars, Qleft, |
333b20bb GM |
3392 | "verticalScrollBars", "ScrollBars", |
3393 | RES_TYPE_SYMBOL); | |
01f1ba30 | 3394 | |
b9dc4443 | 3395 | /* Also do the stuff which must be set before the window exists. */ |
cf177271 | 3396 | x_default_parameter (f, parms, Qforeground_color, build_string ("black"), |
333b20bb | 3397 | "foreground", "Foreground", RES_TYPE_STRING); |
cf177271 | 3398 | x_default_parameter (f, parms, Qbackground_color, build_string ("white"), |
0b60fc91 | 3399 | "background", "Background", RES_TYPE_STRING); |
cf177271 | 3400 | x_default_parameter (f, parms, Qmouse_color, build_string ("black"), |
333b20bb | 3401 | "pointerColor", "Foreground", RES_TYPE_STRING); |
cf177271 | 3402 | x_default_parameter (f, parms, Qcursor_color, build_string ("black"), |
333b20bb | 3403 | "cursorColor", "Foreground", RES_TYPE_STRING); |
cf177271 | 3404 | x_default_parameter (f, parms, Qborder_color, build_string ("black"), |
333b20bb | 3405 | "borderColor", "BorderColor", RES_TYPE_STRING); |
d62c8769 GM |
3406 | x_default_parameter (f, parms, Qscreen_gamma, Qnil, |
3407 | "screenGamma", "ScreenGamma", RES_TYPE_FLOAT); | |
563b67aa GM |
3408 | x_default_parameter (f, parms, Qline_spacing, Qnil, |
3409 | "lineSpacing", "LineSpacing", RES_TYPE_NUMBER); | |
b3ba0aa8 KS |
3410 | x_default_parameter (f, parms, Qleft_fringe, Qnil, |
3411 | "leftFringe", "LeftFringe", RES_TYPE_NUMBER); | |
3412 | x_default_parameter (f, parms, Qright_fringe, Qnil, | |
3413 | "rightFringe", "RightFringe", RES_TYPE_NUMBER); | |
333b20bb GM |
3414 | |
3415 | x_default_scroll_bar_color_parameter (f, parms, Qscroll_bar_foreground, | |
3416 | "scrollBarForeground", | |
3417 | "ScrollBarForeground", 1); | |
3418 | x_default_scroll_bar_color_parameter (f, parms, Qscroll_bar_background, | |
3419 | "scrollBarBackground", | |
3420 | "ScrollBarBackground", 0); | |
3421 | ||
3422 | /* Init faces before x_default_parameter is called for scroll-bar | |
3423 | parameters because that function calls x_set_scroll_bar_width, | |
3424 | which calls change_frame_size, which calls Fset_window_buffer, | |
3425 | which runs hooks, which call Fvertical_motion. At the end, we | |
3426 | end up in init_iterator with a null face cache, which should not | |
3427 | happen. */ | |
3428 | init_frame_faces (f); | |
177c0ea7 | 3429 | |
c7bcb20d | 3430 | x_default_parameter (f, parms, Qmenu_bar_lines, make_number (1), |
333b20bb | 3431 | "menuBar", "MenuBar", RES_TYPE_NUMBER); |
e33455ca | 3432 | x_default_parameter (f, parms, Qtool_bar_lines, make_number (1), |
333b20bb | 3433 | "toolBar", "ToolBar", RES_TYPE_NUMBER); |
79873d50 | 3434 | x_default_parameter (f, parms, Qbuffer_predicate, Qnil, |
333b20bb GM |
3435 | "bufferPredicate", "BufferPredicate", |
3436 | RES_TYPE_SYMBOL); | |
c2304e02 | 3437 | x_default_parameter (f, parms, Qtitle, Qnil, |
333b20bb | 3438 | "title", "Title", RES_TYPE_STRING); |
ea0a1f53 GM |
3439 | x_default_parameter (f, parms, Qwait_for_wm, Qt, |
3440 | "waitForWM", "WaitForWM", RES_TYPE_BOOLEAN); | |
49d41073 EZ |
3441 | x_default_parameter (f, parms, Qfullscreen, Qnil, |
3442 | "fullscreen", "Fullscreen", RES_TYPE_SYMBOL); | |
90eb1019 | 3443 | |
7556890b | 3444 | f->output_data.x->parent_desc = FRAME_X_DISPLAY_INFO (f)->root_window; |
35f59f6b | 3445 | |
35f59f6b | 3446 | /* Compute the size of the X window. */ |
7c0d3ed8 | 3447 | window_prompting = x_figure_window_size (f, parms, 1); |
38d22040 | 3448 | |
495fa05e GM |
3449 | tem = x_get_arg (dpyinfo, parms, Qunsplittable, 0, 0, RES_TYPE_BOOLEAN); |
3450 | f->no_split = minibuffer_only || EQ (tem, Qt); | |
3451 | ||
6a1bcd01 | 3452 | /* Create the X widget or window. */ |
a7f7d550 FP |
3453 | #ifdef USE_X_TOOLKIT |
3454 | x_window (f, window_prompting, minibuffer_only); | |
3455 | #else | |
f676886a | 3456 | x_window (f); |
a7f7d550 | 3457 | #endif |
177c0ea7 | 3458 | |
f676886a JB |
3459 | x_icon (f, parms); |
3460 | x_make_gc (f); | |
01f1ba30 | 3461 | |
495fa05e GM |
3462 | /* Now consider the frame official. */ |
3463 | FRAME_X_DISPLAY_INFO (f)->reference_count++; | |
3464 | Vframe_list = Fcons (frame, Vframe_list); | |
3465 | ||
f9942c9e JB |
3466 | /* We need to do this after creating the X window, so that the |
3467 | icon-creation functions can say whose icon they're describing. */ | |
cf177271 | 3468 | x_default_parameter (f, parms, Qicon_type, Qnil, |
333b20bb | 3469 | "bitmapIcon", "BitmapIcon", RES_TYPE_SYMBOL); |
f9942c9e | 3470 | |
cf177271 | 3471 | x_default_parameter (f, parms, Qauto_raise, Qnil, |
333b20bb | 3472 | "autoRaise", "AutoRaiseLower", RES_TYPE_BOOLEAN); |
cf177271 | 3473 | x_default_parameter (f, parms, Qauto_lower, Qnil, |
333b20bb | 3474 | "autoLower", "AutoRaiseLower", RES_TYPE_BOOLEAN); |
dbc4e1c1 | 3475 | x_default_parameter (f, parms, Qcursor_type, Qbox, |
333b20bb | 3476 | "cursorType", "CursorType", RES_TYPE_SYMBOL); |
28d7281d GM |
3477 | x_default_parameter (f, parms, Qscroll_bar_width, Qnil, |
3478 | "scrollBarWidth", "ScrollBarWidth", | |
3479 | RES_TYPE_NUMBER); | |
f9942c9e | 3480 | |
be786000 | 3481 | /* Dimensions, especially FRAME_LINES (f), must be done via change_frame_size. |
01f1ba30 | 3482 | Change will not be effected unless different from the current |
be786000 KS |
3483 | FRAME_LINES (f). */ |
3484 | width = FRAME_COLS (f); | |
3485 | height = FRAME_LINES (f); | |
177c0ea7 | 3486 | |
be786000 KS |
3487 | SET_FRAME_COLS (f, 0); |
3488 | FRAME_LINES (f) = 0; | |
8938a4fb | 3489 | change_frame_size (f, height, width, 1, 0, 0); |
d043f1a4 | 3490 | |
488dd4c4 | 3491 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
495fa05e GM |
3492 | /* Create the menu bar. */ |
3493 | if (!minibuffer_only && FRAME_EXTERNAL_MENU_BAR (f)) | |
3494 | { | |
3495 | /* If this signals an error, we haven't set size hints for the | |
3496 | frame and we didn't make it visible. */ | |
3497 | initialize_frame_menubar (f); | |
3498 | ||
488dd4c4 | 3499 | #ifndef USE_GTK |
495fa05e GM |
3500 | /* This is a no-op, except under Motif where it arranges the |
3501 | main window for the widgets on it. */ | |
3502 | lw_set_main_areas (f->output_data.x->column_widget, | |
3503 | f->output_data.x->menubar_widget, | |
3504 | f->output_data.x->edit_widget); | |
488dd4c4 | 3505 | #endif /* not USE_GTK */ |
495fa05e | 3506 | } |
488dd4c4 | 3507 | #endif /* USE_X_TOOLKIT || USE_GTK */ |
495fa05e GM |
3508 | |
3509 | /* Tell the server what size and position, etc, we want, and how | |
3510 | badly we want them. This should be done after we have the menu | |
3511 | bar so that its size can be taken into account. */ | |
01f1ba30 | 3512 | BLOCK_INPUT; |
7989f084 | 3513 | x_wm_set_size_hint (f, window_prompting, 0); |
01f1ba30 JB |
3514 | UNBLOCK_INPUT; |
3515 | ||
495fa05e GM |
3516 | /* Make the window appear on the frame and enable display, unless |
3517 | the caller says not to. However, with explicit parent, Emacs | |
3518 | cannot control visibility, so don't try. */ | |
7556890b | 3519 | if (! f->output_data.x->explicit_parent) |
a59e4f3d RS |
3520 | { |
3521 | Lisp_Object visibility; | |
49795535 | 3522 | |
333b20bb GM |
3523 | visibility = x_get_arg (dpyinfo, parms, Qvisibility, 0, 0, |
3524 | RES_TYPE_SYMBOL); | |
a59e4f3d RS |
3525 | if (EQ (visibility, Qunbound)) |
3526 | visibility = Qt; | |
49795535 | 3527 | |
a59e4f3d RS |
3528 | if (EQ (visibility, Qicon)) |
3529 | x_iconify_frame (f); | |
3530 | else if (! NILP (visibility)) | |
3531 | x_make_frame_visible (f); | |
3532 | else | |
3533 | /* Must have been Qnil. */ | |
3534 | ; | |
3535 | } | |
01f1ba30 | 3536 | |
231d6cfb JD |
3537 | /* Set the WM leader property. GTK does this itself, so this is not |
3538 | needed when using GTK. */ | |
3539 | if (dpyinfo->client_leader_window != 0) | |
3540 | { | |
3541 | BLOCK_INPUT; | |
3542 | XChangeProperty (FRAME_X_DISPLAY (f), | |
3543 | FRAME_OUTER_WINDOW (f), | |
3544 | dpyinfo->Xatom_wm_client_leader, | |
3545 | XA_WINDOW, 32, PropModeReplace, | |
3546 | (char *) &dpyinfo->client_leader_window, 1); | |
3547 | UNBLOCK_INPUT; | |
3548 | } | |
3549 | ||
495fa05e | 3550 | UNGCPRO; |
9e57df62 GM |
3551 | |
3552 | /* Make sure windows on this frame appear in calls to next-window | |
3553 | and similar functions. */ | |
3554 | Vwindow_list = Qnil; | |
177c0ea7 | 3555 | |
9ef48a9d | 3556 | return unbind_to (count, frame); |
01f1ba30 JB |
3557 | } |
3558 | ||
eaf1eea9 | 3559 | |
0d17d282 KH |
3560 | /* FRAME is used only to get a handle on the X display. We don't pass the |
3561 | display info directly because we're called from frame.c, which doesn't | |
3562 | know about that structure. */ | |
e4f79258 | 3563 | |
87498171 | 3564 | Lisp_Object |
0d17d282 KH |
3565 | x_get_focus_frame (frame) |
3566 | struct frame *frame; | |
87498171 | 3567 | { |
0d17d282 | 3568 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (frame); |
87498171 | 3569 | Lisp_Object xfocus; |
0d17d282 | 3570 | if (! dpyinfo->x_focus_frame) |
87498171 KH |
3571 | return Qnil; |
3572 | ||
0d17d282 | 3573 | XSETFRAME (xfocus, dpyinfo->x_focus_frame); |
87498171 KH |
3574 | return xfocus; |
3575 | } | |
f0614854 | 3576 | |
3decc1e7 GM |
3577 | |
3578 | /* In certain situations, when the window manager follows a | |
3579 | click-to-focus policy, there seems to be no way around calling | |
3580 | XSetInputFocus to give another frame the input focus . | |
3581 | ||
3582 | In an ideal world, XSetInputFocus should generally be avoided so | |
3583 | that applications don't interfere with the window manager's focus | |
3584 | policy. But I think it's okay to use when it's clearly done | |
3585 | following a user-command. */ | |
3586 | ||
3587 | DEFUN ("x-focus-frame", Fx_focus_frame, Sx_focus_frame, 1, 1, 0, | |
7ee72033 MB |
3588 | doc: /* Set the input focus to FRAME. |
3589 | FRAME nil means use the selected frame. */) | |
3590 | (frame) | |
3decc1e7 GM |
3591 | Lisp_Object frame; |
3592 | { | |
3593 | struct frame *f = check_x_frame (frame); | |
3594 | Display *dpy = FRAME_X_DISPLAY (f); | |
3595 | int count; | |
3596 | ||
3597 | BLOCK_INPUT; | |
3598 | count = x_catch_errors (dpy); | |
3599 | XSetInputFocus (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
3600 | RevertToParent, CurrentTime); | |
3601 | x_uncatch_errors (dpy, count); | |
3602 | UNBLOCK_INPUT; | |
177c0ea7 | 3603 | |
3decc1e7 GM |
3604 | return Qnil; |
3605 | } | |
3606 | ||
f0614854 | 3607 | \f |
2d764c78 | 3608 | DEFUN ("xw-color-defined-p", Fxw_color_defined_p, Sxw_color_defined_p, 1, 2, 0, |
7ee72033 MB |
3609 | doc: /* Internal function called by `color-defined-p', which see. */) |
3610 | (color, frame) | |
b9dc4443 | 3611 | Lisp_Object color, frame; |
e12d55b2 | 3612 | { |
b9dc4443 RS |
3613 | XColor foo; |
3614 | FRAME_PTR f = check_x_frame (frame); | |
e12d55b2 | 3615 | |
b7826503 | 3616 | CHECK_STRING (color); |
b9dc4443 | 3617 | |
d5db4077 | 3618 | if (x_defined_color (f, SDATA (color), &foo, 0)) |
e12d55b2 RS |
3619 | return Qt; |
3620 | else | |
3621 | return Qnil; | |
3622 | } | |
3623 | ||
2d764c78 | 3624 | DEFUN ("xw-color-values", Fxw_color_values, Sxw_color_values, 1, 2, 0, |
7ee72033 MB |
3625 | doc: /* Internal function called by `color-values', which see. */) |
3626 | (color, frame) | |
b9dc4443 | 3627 | Lisp_Object color, frame; |
01f1ba30 | 3628 | { |
b9dc4443 RS |
3629 | XColor foo; |
3630 | FRAME_PTR f = check_x_frame (frame); | |
3631 | ||
b7826503 | 3632 | CHECK_STRING (color); |
01f1ba30 | 3633 | |
d5db4077 | 3634 | if (x_defined_color (f, SDATA (color), &foo, 0)) |
57c82a63 RS |
3635 | { |
3636 | Lisp_Object rgb[3]; | |
3637 | ||
3638 | rgb[0] = make_number (foo.red); | |
3639 | rgb[1] = make_number (foo.green); | |
3640 | rgb[2] = make_number (foo.blue); | |
3641 | return Flist (3, rgb); | |
3642 | } | |
01f1ba30 JB |
3643 | else |
3644 | return Qnil; | |
3645 | } | |
3646 | ||
2d764c78 | 3647 | DEFUN ("xw-display-color-p", Fxw_display_color_p, Sxw_display_color_p, 0, 1, 0, |
7ee72033 MB |
3648 | doc: /* Internal function called by `display-color-p', which see. */) |
3649 | (display) | |
08a90d6a | 3650 | Lisp_Object display; |
01f1ba30 | 3651 | { |
08a90d6a | 3652 | struct x_display_info *dpyinfo = check_x_display_info (display); |
11ae94fe | 3653 | |
b9dc4443 | 3654 | if (dpyinfo->n_planes <= 2) |
01f1ba30 JB |
3655 | return Qnil; |
3656 | ||
b9dc4443 | 3657 | switch (dpyinfo->visual->class) |
01f1ba30 JB |
3658 | { |
3659 | case StaticColor: | |
3660 | case PseudoColor: | |
3661 | case TrueColor: | |
3662 | case DirectColor: | |
3663 | return Qt; | |
3664 | ||
3665 | default: | |
3666 | return Qnil; | |
3667 | } | |
3668 | } | |
3669 | ||
d0c9d219 | 3670 | DEFUN ("x-display-grayscale-p", Fx_display_grayscale_p, Sx_display_grayscale_p, |
c061c855 | 3671 | 0, 1, 0, |
7ee72033 | 3672 | doc: /* Return t if the X display supports shades of gray. |
c061c855 GM |
3673 | Note that color displays do support shades of gray. |
3674 | The optional argument DISPLAY specifies which display to ask about. | |
3675 | DISPLAY should be either a frame or a display name (a string). | |
7ee72033 MB |
3676 | If omitted or nil, that stands for the selected frame's display. */) |
3677 | (display) | |
08a90d6a | 3678 | Lisp_Object display; |
d0c9d219 | 3679 | { |
08a90d6a | 3680 | struct x_display_info *dpyinfo = check_x_display_info (display); |
d0c9d219 | 3681 | |
ae6b58f9 | 3682 | if (dpyinfo->n_planes <= 1) |
b9dc4443 RS |
3683 | return Qnil; |
3684 | ||
ae6b58f9 RS |
3685 | switch (dpyinfo->visual->class) |
3686 | { | |
3687 | case StaticColor: | |
3688 | case PseudoColor: | |
3689 | case TrueColor: | |
3690 | case DirectColor: | |
3691 | case StaticGray: | |
3692 | case GrayScale: | |
3693 | return Qt; | |
3694 | ||
3695 | default: | |
3696 | return Qnil; | |
3697 | } | |
d0c9d219 RS |
3698 | } |
3699 | ||
41beb8fc | 3700 | DEFUN ("x-display-pixel-width", Fx_display_pixel_width, Sx_display_pixel_width, |
c061c855 | 3701 | 0, 1, 0, |
7ee72033 | 3702 | doc: /* Returns the width in pixels of the X display DISPLAY. |
c061c855 GM |
3703 | The optional argument DISPLAY specifies which display to ask about. |
3704 | DISPLAY should be either a frame or a display name (a string). | |
7ee72033 MB |
3705 | If omitted or nil, that stands for the selected frame's display. */) |
3706 | (display) | |
08a90d6a | 3707 | Lisp_Object display; |
41beb8fc | 3708 | { |
08a90d6a | 3709 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
3710 | |
3711 | return make_number (dpyinfo->width); | |
41beb8fc RS |
3712 | } |
3713 | ||
3714 | DEFUN ("x-display-pixel-height", Fx_display_pixel_height, | |
c061c855 | 3715 | Sx_display_pixel_height, 0, 1, 0, |
7ee72033 | 3716 | doc: /* Returns the height in pixels of the X display DISPLAY. |
c061c855 GM |
3717 | The optional argument DISPLAY specifies which display to ask about. |
3718 | DISPLAY should be either a frame or a display name (a string). | |
7ee72033 MB |
3719 | If omitted or nil, that stands for the selected frame's display. */) |
3720 | (display) | |
08a90d6a | 3721 | Lisp_Object display; |
41beb8fc | 3722 | { |
08a90d6a | 3723 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
3724 | |
3725 | return make_number (dpyinfo->height); | |
41beb8fc RS |
3726 | } |
3727 | ||
3728 | DEFUN ("x-display-planes", Fx_display_planes, Sx_display_planes, | |
c061c855 | 3729 | 0, 1, 0, |
7ee72033 | 3730 | doc: /* Returns the number of bitplanes of the X display DISPLAY. |
c061c855 GM |
3731 | The optional argument DISPLAY specifies which display to ask about. |
3732 | DISPLAY should be either a frame or a display name (a string). | |
7ee72033 MB |
3733 | If omitted or nil, that stands for the selected frame's display. */) |
3734 | (display) | |
08a90d6a | 3735 | Lisp_Object display; |
41beb8fc | 3736 | { |
08a90d6a | 3737 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
3738 | |
3739 | return make_number (dpyinfo->n_planes); | |
41beb8fc RS |
3740 | } |
3741 | ||
3742 | DEFUN ("x-display-color-cells", Fx_display_color_cells, Sx_display_color_cells, | |
c061c855 | 3743 | 0, 1, 0, |
7ee72033 | 3744 | doc: /* Returns the number of color cells of the X display DISPLAY. |
c061c855 GM |
3745 | The optional argument DISPLAY specifies which display to ask about. |
3746 | DISPLAY should be either a frame or a display name (a string). | |
7ee72033 MB |
3747 | If omitted or nil, that stands for the selected frame's display. */) |
3748 | (display) | |
08a90d6a | 3749 | Lisp_Object display; |
41beb8fc | 3750 | { |
08a90d6a | 3751 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
3752 | |
3753 | return make_number (DisplayCells (dpyinfo->display, | |
3754 | XScreenNumberOfScreen (dpyinfo->screen))); | |
41beb8fc RS |
3755 | } |
3756 | ||
9d317b2c RS |
3757 | DEFUN ("x-server-max-request-size", Fx_server_max_request_size, |
3758 | Sx_server_max_request_size, | |
c061c855 | 3759 | 0, 1, 0, |
7ee72033 | 3760 | doc: /* Returns the maximum request size of the X server of display DISPLAY. |
c061c855 GM |
3761 | The optional argument DISPLAY specifies which display to ask about. |
3762 | DISPLAY should be either a frame or a display name (a string). | |
7ee72033 MB |
3763 | If omitted or nil, that stands for the selected frame's display. */) |
3764 | (display) | |
08a90d6a | 3765 | Lisp_Object display; |
9d317b2c | 3766 | { |
08a90d6a | 3767 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
3768 | |
3769 | return make_number (MAXREQUEST (dpyinfo->display)); | |
9d317b2c RS |
3770 | } |
3771 | ||
41beb8fc | 3772 | DEFUN ("x-server-vendor", Fx_server_vendor, Sx_server_vendor, 0, 1, 0, |
7ee72033 | 3773 | doc: /* Returns the vendor ID string of the X server of display DISPLAY. |
c061c855 GM |
3774 | The optional argument DISPLAY specifies which display to ask about. |
3775 | DISPLAY should be either a frame or a display name (a string). | |
7ee72033 MB |
3776 | If omitted or nil, that stands for the selected frame's display. */) |
3777 | (display) | |
08a90d6a | 3778 | Lisp_Object display; |
41beb8fc | 3779 | { |
08a90d6a | 3780 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
3781 | char *vendor = ServerVendor (dpyinfo->display); |
3782 | ||
41beb8fc RS |
3783 | if (! vendor) vendor = ""; |
3784 | return build_string (vendor); | |
3785 | } | |
3786 | ||
3787 | DEFUN ("x-server-version", Fx_server_version, Sx_server_version, 0, 1, 0, | |
7ee72033 | 3788 | doc: /* Returns the version numbers of the X server of display DISPLAY. |
c061c855 GM |
3789 | The value is a list of three integers: the major and minor |
3790 | version numbers of the X Protocol in use, and the vendor-specific release | |
3791 | number. See also the function `x-server-vendor'. | |
3792 | ||
3793 | The optional argument DISPLAY specifies which display to ask about. | |
3794 | DISPLAY should be either a frame or a display name (a string). | |
7ee72033 MB |
3795 | If omitted or nil, that stands for the selected frame's display. */) |
3796 | (display) | |
08a90d6a | 3797 | Lisp_Object display; |
41beb8fc | 3798 | { |
08a90d6a | 3799 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 | 3800 | Display *dpy = dpyinfo->display; |
11ae94fe | 3801 | |
41beb8fc RS |
3802 | return Fcons (make_number (ProtocolVersion (dpy)), |
3803 | Fcons (make_number (ProtocolRevision (dpy)), | |
3804 | Fcons (make_number (VendorRelease (dpy)), Qnil))); | |
3805 | } | |
3806 | ||
3807 | DEFUN ("x-display-screens", Fx_display_screens, Sx_display_screens, 0, 1, 0, | |
7ee72033 | 3808 | doc: /* Return the number of screens on the X server of display DISPLAY. |
c061c855 GM |
3809 | The optional argument DISPLAY specifies which display to ask about. |
3810 | DISPLAY should be either a frame or a display name (a string). | |
7ee72033 MB |
3811 | If omitted or nil, that stands for the selected frame's display. */) |
3812 | (display) | |
08a90d6a | 3813 | Lisp_Object display; |
41beb8fc | 3814 | { |
08a90d6a | 3815 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
3816 | |
3817 | return make_number (ScreenCount (dpyinfo->display)); | |
41beb8fc RS |
3818 | } |
3819 | ||
3820 | DEFUN ("x-display-mm-height", Fx_display_mm_height, Sx_display_mm_height, 0, 1, 0, | |
7ee72033 | 3821 | doc: /* Return the height in millimeters of the X display DISPLAY. |
c061c855 GM |
3822 | The optional argument DISPLAY specifies which display to ask about. |
3823 | DISPLAY should be either a frame or a display name (a string). | |
7ee72033 MB |
3824 | If omitted or nil, that stands for the selected frame's display. */) |
3825 | (display) | |
08a90d6a | 3826 | Lisp_Object display; |
41beb8fc | 3827 | { |
08a90d6a | 3828 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
3829 | |
3830 | return make_number (HeightMMOfScreen (dpyinfo->screen)); | |
41beb8fc RS |
3831 | } |
3832 | ||
3833 | DEFUN ("x-display-mm-width", Fx_display_mm_width, Sx_display_mm_width, 0, 1, 0, | |
7ee72033 | 3834 | doc: /* Return the width in millimeters of the X display DISPLAY. |
c061c855 GM |
3835 | The optional argument DISPLAY specifies which display to ask about. |
3836 | DISPLAY should be either a frame or a display name (a string). | |
7ee72033 MB |
3837 | If omitted or nil, that stands for the selected frame's display. */) |
3838 | (display) | |
08a90d6a | 3839 | Lisp_Object display; |
41beb8fc | 3840 | { |
08a90d6a | 3841 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
3842 | |
3843 | return make_number (WidthMMOfScreen (dpyinfo->screen)); | |
41beb8fc RS |
3844 | } |
3845 | ||
3846 | DEFUN ("x-display-backing-store", Fx_display_backing_store, | |
c061c855 | 3847 | Sx_display_backing_store, 0, 1, 0, |
7ee72033 | 3848 | doc: /* Returns an indication of whether X display DISPLAY does backing store. |
c061c855 GM |
3849 | The value may be `always', `when-mapped', or `not-useful'. |
3850 | The optional argument DISPLAY specifies which display to ask about. | |
3851 | DISPLAY should be either a frame or a display name (a string). | |
7ee72033 MB |
3852 | If omitted or nil, that stands for the selected frame's display. */) |
3853 | (display) | |
08a90d6a | 3854 | Lisp_Object display; |
41beb8fc | 3855 | { |
08a90d6a | 3856 | struct x_display_info *dpyinfo = check_x_display_info (display); |
8ec8a5ec | 3857 | Lisp_Object result; |
11ae94fe | 3858 | |
b9dc4443 | 3859 | switch (DoesBackingStore (dpyinfo->screen)) |
41beb8fc RS |
3860 | { |
3861 | case Always: | |
8ec8a5ec GM |
3862 | result = intern ("always"); |
3863 | break; | |
41beb8fc RS |
3864 | |
3865 | case WhenMapped: | |
8ec8a5ec GM |
3866 | result = intern ("when-mapped"); |
3867 | break; | |
41beb8fc RS |
3868 | |
3869 | case NotUseful: | |
8ec8a5ec GM |
3870 | result = intern ("not-useful"); |
3871 | break; | |
41beb8fc RS |
3872 | |
3873 | default: | |
3874 | error ("Strange value for BackingStore parameter of screen"); | |
8ec8a5ec | 3875 | result = Qnil; |
41beb8fc | 3876 | } |
8ec8a5ec GM |
3877 | |
3878 | return result; | |
41beb8fc RS |
3879 | } |
3880 | ||
3881 | DEFUN ("x-display-visual-class", Fx_display_visual_class, | |
c061c855 | 3882 | Sx_display_visual_class, 0, 1, 0, |
7ee72033 | 3883 | doc: /* Return the visual class of the X display DISPLAY. |
c061c855 GM |
3884 | The value is one of the symbols `static-gray', `gray-scale', |
3885 | `static-color', `pseudo-color', `true-color', or `direct-color'. | |
3886 | ||
3887 | The optional argument DISPLAY specifies which display to ask about. | |
3888 | DISPLAY should be either a frame or a display name (a string). | |
7ee72033 MB |
3889 | If omitted or nil, that stands for the selected frame's display. */) |
3890 | (display) | |
08a90d6a | 3891 | Lisp_Object display; |
41beb8fc | 3892 | { |
08a90d6a | 3893 | struct x_display_info *dpyinfo = check_x_display_info (display); |
8ec8a5ec | 3894 | Lisp_Object result; |
11ae94fe | 3895 | |
b9dc4443 | 3896 | switch (dpyinfo->visual->class) |
41beb8fc | 3897 | { |
8ec8a5ec GM |
3898 | case StaticGray: |
3899 | result = intern ("static-gray"); | |
3900 | break; | |
3901 | case GrayScale: | |
3902 | result = intern ("gray-scale"); | |
3903 | break; | |
3904 | case StaticColor: | |
3905 | result = intern ("static-color"); | |
3906 | break; | |
3907 | case PseudoColor: | |
3908 | result = intern ("pseudo-color"); | |
3909 | break; | |
3910 | case TrueColor: | |
3911 | result = intern ("true-color"); | |
3912 | break; | |
3913 | case DirectColor: | |
3914 | result = intern ("direct-color"); | |
3915 | break; | |
41beb8fc RS |
3916 | default: |
3917 | error ("Display has an unknown visual class"); | |
8ec8a5ec | 3918 | result = Qnil; |
41beb8fc | 3919 | } |
177c0ea7 | 3920 | |
8ec8a5ec | 3921 | return result; |
41beb8fc RS |
3922 | } |
3923 | ||
3924 | DEFUN ("x-display-save-under", Fx_display_save_under, | |
c061c855 | 3925 | Sx_display_save_under, 0, 1, 0, |
7ee72033 | 3926 | doc: /* Returns t if the X display DISPLAY supports the save-under feature. |
c061c855 GM |
3927 | The optional argument DISPLAY specifies which display to ask about. |
3928 | DISPLAY should be either a frame or a display name (a string). | |
7ee72033 MB |
3929 | If omitted or nil, that stands for the selected frame's display. */) |
3930 | (display) | |
08a90d6a | 3931 | Lisp_Object display; |
41beb8fc | 3932 | { |
08a90d6a | 3933 | struct x_display_info *dpyinfo = check_x_display_info (display); |
11ae94fe | 3934 | |
b9dc4443 | 3935 | if (DoesSaveUnders (dpyinfo->screen) == True) |
41beb8fc RS |
3936 | return Qt; |
3937 | else | |
3938 | return Qnil; | |
3939 | } | |
3940 | \f | |
b9dc4443 | 3941 | int |
55caf99c RS |
3942 | x_pixel_width (f) |
3943 | register struct frame *f; | |
01f1ba30 | 3944 | { |
be786000 | 3945 | return FRAME_PIXEL_WIDTH (f); |
01f1ba30 JB |
3946 | } |
3947 | ||
b9dc4443 | 3948 | int |
55caf99c RS |
3949 | x_pixel_height (f) |
3950 | register struct frame *f; | |
01f1ba30 | 3951 | { |
be786000 | 3952 | return FRAME_PIXEL_HEIGHT (f); |
55caf99c RS |
3953 | } |
3954 | ||
b9dc4443 | 3955 | int |
55caf99c RS |
3956 | x_char_width (f) |
3957 | register struct frame *f; | |
3958 | { | |
be786000 | 3959 | return FRAME_COLUMN_WIDTH (f); |
55caf99c RS |
3960 | } |
3961 | ||
b9dc4443 | 3962 | int |
55caf99c RS |
3963 | x_char_height (f) |
3964 | register struct frame *f; | |
3965 | { | |
be786000 | 3966 | return FRAME_LINE_HEIGHT (f); |
01f1ba30 | 3967 | } |
b9dc4443 RS |
3968 | |
3969 | int | |
f03f2489 RS |
3970 | x_screen_planes (f) |
3971 | register struct frame *f; | |
b9dc4443 | 3972 | { |
f03f2489 | 3973 | return FRAME_X_DISPLAY_INFO (f)->n_planes; |
b9dc4443 | 3974 | } |
01f1ba30 | 3975 | |
a6ad00c0 GM |
3976 | |
3977 | \f | |
3978 | /************************************************************************ | |
3979 | X Displays | |
3980 | ************************************************************************/ | |
3981 | ||
01f1ba30 | 3982 | \f |
a6ad00c0 GM |
3983 | /* Mapping visual names to visuals. */ |
3984 | ||
3985 | static struct visual_class | |
3986 | { | |
3987 | char *name; | |
3988 | int class; | |
3989 | } | |
3990 | visual_classes[] = | |
3991 | { | |
3992 | {"StaticGray", StaticGray}, | |
3993 | {"GrayScale", GrayScale}, | |
3994 | {"StaticColor", StaticColor}, | |
3995 | {"PseudoColor", PseudoColor}, | |
3996 | {"TrueColor", TrueColor}, | |
3997 | {"DirectColor", DirectColor}, | |
9908a324 | 3998 | {NULL, 0} |
a6ad00c0 GM |
3999 | }; |
4000 | ||
4001 | ||
404daac1 | 4002 | #ifndef HAVE_XSCREENNUMBEROFSCREEN |
a6ad00c0 GM |
4003 | |
4004 | /* Value is the screen number of screen SCR. This is a substitute for | |
4005 | the X function with the same name when that doesn't exist. */ | |
4006 | ||
404daac1 RS |
4007 | int |
4008 | XScreenNumberOfScreen (scr) | |
4009 | register Screen *scr; | |
4010 | { | |
a6ad00c0 GM |
4011 | Display *dpy = scr->display; |
4012 | int i; | |
3df34fdb | 4013 | |
a6ad00c0 | 4014 | for (i = 0; i < dpy->nscreens; ++i) |
fbd5ceb2 | 4015 | if (scr == dpy->screens + i) |
a6ad00c0 | 4016 | break; |
404daac1 | 4017 | |
a6ad00c0 | 4018 | return i; |
404daac1 | 4019 | } |
a6ad00c0 | 4020 | |
404daac1 RS |
4021 | #endif /* not HAVE_XSCREENNUMBEROFSCREEN */ |
4022 | ||
01f1ba30 | 4023 | |
a6ad00c0 GM |
4024 | /* Select the visual that should be used on display DPYINFO. Set |
4025 | members of DPYINFO appropriately. Called from x_term_init. */ | |
fe24a618 | 4026 | |
a6ad00c0 GM |
4027 | void |
4028 | select_visual (dpyinfo) | |
4029 | struct x_display_info *dpyinfo; | |
4030 | { | |
4031 | Display *dpy = dpyinfo->display; | |
4032 | Screen *screen = dpyinfo->screen; | |
4033 | Lisp_Object value; | |
fe24a618 | 4034 | |
a6ad00c0 GM |
4035 | /* See if a visual is specified. */ |
4036 | value = display_x_get_resource (dpyinfo, | |
4037 | build_string ("visualClass"), | |
4038 | build_string ("VisualClass"), | |
4039 | Qnil, Qnil); | |
4040 | if (STRINGP (value)) | |
4041 | { | |
4042 | /* VALUE should be of the form CLASS-DEPTH, where CLASS is one | |
4043 | of `PseudoColor', `TrueColor' etc. and DEPTH is the color | |
4044 | depth, a decimal number. NAME is compared with case ignored. */ | |
d5db4077 | 4045 | char *s = (char *) alloca (SBYTES (value) + 1); |
a6ad00c0 GM |
4046 | char *dash; |
4047 | int i, class = -1; | |
4048 | XVisualInfo vinfo; | |
4049 | ||
d5db4077 | 4050 | strcpy (s, SDATA (value)); |
a6ad00c0 GM |
4051 | dash = index (s, '-'); |
4052 | if (dash) | |
4053 | { | |
4054 | dpyinfo->n_planes = atoi (dash + 1); | |
4055 | *dash = '\0'; | |
4056 | } | |
4057 | else | |
4058 | /* We won't find a matching visual with depth 0, so that | |
4059 | an error will be printed below. */ | |
4060 | dpyinfo->n_planes = 0; | |
f0614854 | 4061 | |
a6ad00c0 GM |
4062 | /* Determine the visual class. */ |
4063 | for (i = 0; visual_classes[i].name; ++i) | |
4064 | if (xstricmp (s, visual_classes[i].name) == 0) | |
4065 | { | |
4066 | class = visual_classes[i].class; | |
4067 | break; | |
4068 | } | |
01f1ba30 | 4069 | |
a6ad00c0 GM |
4070 | /* Look up a matching visual for the specified class. */ |
4071 | if (class == -1 | |
4072 | || !XMatchVisualInfo (dpy, XScreenNumberOfScreen (screen), | |
4073 | dpyinfo->n_planes, class, &vinfo)) | |
d5db4077 | 4074 | fatal ("Invalid visual specification `%s'", SDATA (value)); |
177c0ea7 | 4075 | |
a6ad00c0 GM |
4076 | dpyinfo->visual = vinfo.visual; |
4077 | } | |
01f1ba30 JB |
4078 | else |
4079 | { | |
a6ad00c0 GM |
4080 | int n_visuals; |
4081 | XVisualInfo *vinfo, vinfo_template; | |
177c0ea7 | 4082 | |
a6ad00c0 GM |
4083 | dpyinfo->visual = DefaultVisualOfScreen (screen); |
4084 | ||
4085 | #ifdef HAVE_X11R4 | |
4086 | vinfo_template.visualid = XVisualIDFromVisual (dpyinfo->visual); | |
4087 | #else | |
4088 | vinfo_template.visualid = dpyinfo->visual->visualid; | |
4089 | #endif | |
4090 | vinfo_template.screen = XScreenNumberOfScreen (screen); | |
4091 | vinfo = XGetVisualInfo (dpy, VisualIDMask | VisualScreenMask, | |
4092 | &vinfo_template, &n_visuals); | |
4093 | if (n_visuals != 1) | |
4094 | fatal ("Can't get proper X visual info"); | |
4095 | ||
94ac875b | 4096 | dpyinfo->n_planes = vinfo->depth; |
a6ad00c0 GM |
4097 | XFree ((char *) vinfo); |
4098 | } | |
01f1ba30 | 4099 | } |
01f1ba30 | 4100 | |
a6ad00c0 | 4101 | |
b9dc4443 RS |
4102 | /* Return the X display structure for the display named NAME. |
4103 | Open a new connection if necessary. */ | |
4104 | ||
4105 | struct x_display_info * | |
4106 | x_display_info_for_name (name) | |
4107 | Lisp_Object name; | |
4108 | { | |
08a90d6a | 4109 | Lisp_Object names; |
b9dc4443 RS |
4110 | struct x_display_info *dpyinfo; |
4111 | ||
b7826503 | 4112 | CHECK_STRING (name); |
b9dc4443 | 4113 | |
806048df RS |
4114 | if (! EQ (Vwindow_system, intern ("x"))) |
4115 | error ("Not using X Windows"); | |
4116 | ||
08a90d6a RS |
4117 | for (dpyinfo = x_display_list, names = x_display_name_list; |
4118 | dpyinfo; | |
8e713be6 | 4119 | dpyinfo = dpyinfo->next, names = XCDR (names)) |
b9dc4443 RS |
4120 | { |
4121 | Lisp_Object tem; | |
8e713be6 | 4122 | tem = Fstring_equal (XCAR (XCAR (names)), name); |
08a90d6a | 4123 | if (!NILP (tem)) |
b9dc4443 RS |
4124 | return dpyinfo; |
4125 | } | |
4126 | ||
b7975ee4 KH |
4127 | /* Use this general default value to start with. */ |
4128 | Vx_resource_name = Vinvocation_name; | |
4129 | ||
b9dc4443 RS |
4130 | validate_x_resource_name (); |
4131 | ||
9b207e8e | 4132 | dpyinfo = x_term_init (name, (char *)0, |
d5db4077 | 4133 | (char *) SDATA (Vx_resource_name)); |
b9dc4443 | 4134 | |
08a90d6a | 4135 | if (dpyinfo == 0) |
d5db4077 | 4136 | error ("Cannot connect to X server %s", SDATA (name)); |
08a90d6a | 4137 | |
b9dc4443 RS |
4138 | x_in_use = 1; |
4139 | XSETFASTINT (Vwindow_system_version, 11); | |
4140 | ||
4141 | return dpyinfo; | |
4142 | } | |
4143 | ||
a6ad00c0 | 4144 | |
01f1ba30 | 4145 | DEFUN ("x-open-connection", Fx_open_connection, Sx_open_connection, |
c061c855 | 4146 | 1, 3, 0, |
7ee72033 | 4147 | doc: /* Open a connection to an X server. |
c061c855 GM |
4148 | DISPLAY is the name of the display to connect to. |
4149 | Optional second arg XRM-STRING is a string of resources in xrdb format. | |
4150 | If the optional third arg MUST-SUCCEED is non-nil, | |
7ee72033 MB |
4151 | terminate Emacs if we can't open the connection. */) |
4152 | (display, xrm_string, must_succeed) | |
08a90d6a | 4153 | Lisp_Object display, xrm_string, must_succeed; |
01f1ba30 | 4154 | { |
01f1ba30 | 4155 | unsigned char *xrm_option; |
b9dc4443 | 4156 | struct x_display_info *dpyinfo; |
01f1ba30 | 4157 | |
b7826503 | 4158 | CHECK_STRING (display); |
d387c960 | 4159 | if (! NILP (xrm_string)) |
b7826503 | 4160 | CHECK_STRING (xrm_string); |
01f1ba30 | 4161 | |
806048df RS |
4162 | if (! EQ (Vwindow_system, intern ("x"))) |
4163 | error ("Not using X Windows"); | |
4164 | ||
d387c960 | 4165 | if (! NILP (xrm_string)) |
d5db4077 | 4166 | xrm_option = (unsigned char *) SDATA (xrm_string); |
01f1ba30 JB |
4167 | else |
4168 | xrm_option = (unsigned char *) 0; | |
d387c960 JB |
4169 | |
4170 | validate_x_resource_name (); | |
4171 | ||
e1b1bee8 | 4172 | /* This is what opens the connection and sets x_current_display. |
b9dc4443 RS |
4173 | This also initializes many symbols, such as those used for input. */ |
4174 | dpyinfo = x_term_init (display, xrm_option, | |
d5db4077 | 4175 | (char *) SDATA (Vx_resource_name)); |
f1c16f36 | 4176 | |
08a90d6a RS |
4177 | if (dpyinfo == 0) |
4178 | { | |
4179 | if (!NILP (must_succeed)) | |
10ffbc14 GM |
4180 | fatal ("Cannot connect to X server %s.\n\ |
4181 | Check the DISPLAY environment variable or use `-d'.\n\ | |
842a9389 JB |
4182 | Also use the `xauth' program to verify that you have the proper\n\ |
4183 | authorization information needed to connect the X server.\n\ | |
bf770132 | 4184 | An insecure way to solve the problem may be to use `xhost'.\n", |
d5db4077 | 4185 | SDATA (display)); |
08a90d6a | 4186 | else |
d5db4077 | 4187 | error ("Cannot connect to X server %s", SDATA (display)); |
08a90d6a RS |
4188 | } |
4189 | ||
b9dc4443 | 4190 | x_in_use = 1; |
01f1ba30 | 4191 | |
b9dc4443 | 4192 | XSETFASTINT (Vwindow_system_version, 11); |
01f1ba30 JB |
4193 | return Qnil; |
4194 | } | |
4195 | ||
08a90d6a RS |
4196 | DEFUN ("x-close-connection", Fx_close_connection, |
4197 | Sx_close_connection, 1, 1, 0, | |
7ee72033 | 4198 | doc: /* Close the connection to DISPLAY's X server. |
c061c855 | 4199 | For DISPLAY, specify either a frame or a display name (a string). |
7ee72033 MB |
4200 | If DISPLAY is nil, that stands for the selected frame's display. */) |
4201 | (display) | |
c061c855 | 4202 | Lisp_Object display; |
01f1ba30 | 4203 | { |
08a90d6a | 4204 | struct x_display_info *dpyinfo = check_x_display_info (display); |
08a90d6a | 4205 | int i; |
3457bc6e | 4206 | |
08a90d6a RS |
4207 | if (dpyinfo->reference_count > 0) |
4208 | error ("Display still has frames on it"); | |
01f1ba30 | 4209 | |
08a90d6a RS |
4210 | BLOCK_INPUT; |
4211 | /* Free the fonts in the font table. */ | |
4212 | for (i = 0; i < dpyinfo->n_fonts; i++) | |
333b20bb GM |
4213 | if (dpyinfo->font_table[i].name) |
4214 | { | |
6ecb43ce KH |
4215 | if (dpyinfo->font_table[i].name != dpyinfo->font_table[i].full_name) |
4216 | xfree (dpyinfo->font_table[i].full_name); | |
333b20bb | 4217 | xfree (dpyinfo->font_table[i].name); |
333b20bb GM |
4218 | XFreeFont (dpyinfo->display, dpyinfo->font_table[i].font); |
4219 | } | |
4220 | ||
08a90d6a RS |
4221 | x_destroy_all_bitmaps (dpyinfo); |
4222 | XSetCloseDownMode (dpyinfo->display, DestroyAll); | |
82c90203 RS |
4223 | |
4224 | #ifdef USE_X_TOOLKIT | |
4225 | XtCloseDisplay (dpyinfo->display); | |
4226 | #else | |
08a90d6a | 4227 | XCloseDisplay (dpyinfo->display); |
82c90203 | 4228 | #endif |
08a90d6a RS |
4229 | |
4230 | x_delete_display (dpyinfo); | |
4231 | UNBLOCK_INPUT; | |
3457bc6e | 4232 | |
01f1ba30 JB |
4233 | return Qnil; |
4234 | } | |
4235 | ||
08a90d6a | 4236 | DEFUN ("x-display-list", Fx_display_list, Sx_display_list, 0, 0, 0, |
7ee72033 MB |
4237 | doc: /* Return the list of display names that Emacs has connections to. */) |
4238 | () | |
08a90d6a RS |
4239 | { |
4240 | Lisp_Object tail, result; | |
4241 | ||
4242 | result = Qnil; | |
8e713be6 KR |
4243 | for (tail = x_display_name_list; ! NILP (tail); tail = XCDR (tail)) |
4244 | result = Fcons (XCAR (XCAR (tail)), result); | |
08a90d6a RS |
4245 | |
4246 | return result; | |
4247 | } | |
4248 | ||
4249 | DEFUN ("x-synchronize", Fx_synchronize, Sx_synchronize, 1, 2, 0, | |
7ee72033 | 4250 | doc: /* If ON is non-nil, report X errors as soon as the erring request is made. |
c061c855 GM |
4251 | If ON is nil, allow buffering of requests. |
4252 | Turning on synchronization prohibits the Xlib routines from buffering | |
4253 | requests and seriously degrades performance, but makes debugging much | |
4254 | easier. | |
4255 | The optional second argument DISPLAY specifies which display to act on. | |
4256 | DISPLAY should be either a frame or a display name (a string). | |
7ee72033 MB |
4257 | If DISPLAY is omitted or nil, that stands for the selected frame's display. */) |
4258 | (on, display) | |
08a90d6a | 4259 | Lisp_Object display, on; |
01f1ba30 | 4260 | { |
08a90d6a | 4261 | struct x_display_info *dpyinfo = check_x_display_info (display); |
11ae94fe | 4262 | |
b9dc4443 | 4263 | XSynchronize (dpyinfo->display, !EQ (on, Qnil)); |
01f1ba30 JB |
4264 | |
4265 | return Qnil; | |
4266 | } | |
4267 | ||
b9dc4443 | 4268 | /* Wait for responses to all X commands issued so far for frame F. */ |
6b7b1820 RS |
4269 | |
4270 | void | |
b9dc4443 RS |
4271 | x_sync (f) |
4272 | FRAME_PTR f; | |
6b7b1820 | 4273 | { |
4e87f4d2 | 4274 | BLOCK_INPUT; |
b9dc4443 | 4275 | XSync (FRAME_X_DISPLAY (f), False); |
4e87f4d2 | 4276 | UNBLOCK_INPUT; |
6b7b1820 | 4277 | } |
333b20bb | 4278 | |
01f1ba30 | 4279 | \f |
333b20bb GM |
4280 | /*********************************************************************** |
4281 | Image types | |
4282 | ***********************************************************************/ | |
f1c16f36 | 4283 | |
333b20bb GM |
4284 | /* Value is the number of elements of vector VECTOR. */ |
4285 | ||
4286 | #define DIM(VECTOR) (sizeof (VECTOR) / sizeof *(VECTOR)) | |
4287 | ||
4288 | /* List of supported image types. Use define_image_type to add new | |
4289 | types. Use lookup_image_type to find a type for a given symbol. */ | |
4290 | ||
4291 | static struct image_type *image_types; | |
4292 | ||
333b20bb GM |
4293 | /* The symbol `image' which is the car of the lists used to represent |
4294 | images in Lisp. */ | |
4295 | ||
4296 | extern Lisp_Object Qimage; | |
4297 | ||
4298 | /* The symbol `xbm' which is used as the type symbol for XBM images. */ | |
4299 | ||
4300 | Lisp_Object Qxbm; | |
4301 | ||
4302 | /* Keywords. */ | |
4303 | ||
0fe92f72 | 4304 | extern Lisp_Object QCwidth, QCheight, QCforeground, QCbackground, QCfile; |
77814035 KS |
4305 | extern Lisp_Object QCdata, QCtype; |
4306 | Lisp_Object QCascent, QCmargin, QCrelief; | |
d2dc8167 | 4307 | Lisp_Object QCconversion, QCcolor_symbols, QCheuristic_mask; |
4a8e312c | 4308 | Lisp_Object QCindex, QCmatrix, QCcolor_adjustment, QCmask; |
333b20bb GM |
4309 | |
4310 | /* Other symbols. */ | |
4311 | ||
4a8e312c | 4312 | Lisp_Object Qlaplace, Qemboss, Qedge_detection, Qheuristic; |
333b20bb GM |
4313 | |
4314 | /* Time in seconds after which images should be removed from the cache | |
4315 | if not displayed. */ | |
4316 | ||
fcf431dc | 4317 | Lisp_Object Vimage_cache_eviction_delay; |
333b20bb GM |
4318 | |
4319 | /* Function prototypes. */ | |
4320 | ||
4321 | static void define_image_type P_ ((struct image_type *type)); | |
4322 | static struct image_type *lookup_image_type P_ ((Lisp_Object symbol)); | |
4323 | static void image_error P_ ((char *format, Lisp_Object, Lisp_Object)); | |
4324 | static void x_laplace P_ ((struct frame *, struct image *)); | |
4a8e312c | 4325 | static void x_emboss P_ ((struct frame *, struct image *)); |
45158a91 GM |
4326 | static int x_build_heuristic_mask P_ ((struct frame *, struct image *, |
4327 | Lisp_Object)); | |
333b20bb GM |
4328 | |
4329 | ||
4330 | /* Define a new image type from TYPE. This adds a copy of TYPE to | |
4331 | image_types and adds the symbol *TYPE->type to Vimage_types. */ | |
4332 | ||
4333 | static void | |
4334 | define_image_type (type) | |
4335 | struct image_type *type; | |
4336 | { | |
4337 | /* Make a copy of TYPE to avoid a bus error in a dumped Emacs. | |
4338 | The initialized data segment is read-only. */ | |
4339 | struct image_type *p = (struct image_type *) xmalloc (sizeof *p); | |
4340 | bcopy (type, p, sizeof *p); | |
4341 | p->next = image_types; | |
4342 | image_types = p; | |
4343 | Vimage_types = Fcons (*p->type, Vimage_types); | |
4344 | } | |
4345 | ||
4346 | ||
4347 | /* Look up image type SYMBOL, and return a pointer to its image_type | |
4348 | structure. Value is null if SYMBOL is not a known image type. */ | |
4349 | ||
4350 | static INLINE struct image_type * | |
4351 | lookup_image_type (symbol) | |
4352 | Lisp_Object symbol; | |
4353 | { | |
4354 | struct image_type *type; | |
4355 | ||
4356 | for (type = image_types; type; type = type->next) | |
4357 | if (EQ (symbol, *type->type)) | |
4358 | break; | |
4359 | ||
4360 | return type; | |
4361 | } | |
4362 | ||
4363 | ||
4364 | /* Value is non-zero if OBJECT is a valid Lisp image specification. A | |
4365 | valid image specification is a list whose car is the symbol | |
4366 | `image', and whose rest is a property list. The property list must | |
4367 | contain a value for key `:type'. That value must be the name of a | |
4368 | supported image type. The rest of the property list depends on the | |
4369 | image type. */ | |
4370 | ||
4371 | int | |
4372 | valid_image_p (object) | |
4373 | Lisp_Object object; | |
4374 | { | |
4375 | int valid_p = 0; | |
177c0ea7 | 4376 | |
333b20bb GM |
4377 | if (CONSP (object) && EQ (XCAR (object), Qimage)) |
4378 | { | |
1783ffa2 GM |
4379 | Lisp_Object tem; |
4380 | ||
4381 | for (tem = XCDR (object); CONSP (tem); tem = XCDR (tem)) | |
4382 | if (EQ (XCAR (tem), QCtype)) | |
4383 | { | |
4384 | tem = XCDR (tem); | |
4385 | if (CONSP (tem) && SYMBOLP (XCAR (tem))) | |
4386 | { | |
4387 | struct image_type *type; | |
4388 | type = lookup_image_type (XCAR (tem)); | |
4389 | if (type) | |
4390 | valid_p = type->valid_p (object); | |
4391 | } | |
177c0ea7 | 4392 | |
1783ffa2 GM |
4393 | break; |
4394 | } | |
333b20bb GM |
4395 | } |
4396 | ||
4397 | return valid_p; | |
4398 | } | |
4399 | ||
4400 | ||
7ab1745f GM |
4401 | /* Log error message with format string FORMAT and argument ARG. |
4402 | Signaling an error, e.g. when an image cannot be loaded, is not a | |
4403 | good idea because this would interrupt redisplay, and the error | |
4404 | message display would lead to another redisplay. This function | |
4405 | therefore simply displays a message. */ | |
333b20bb GM |
4406 | |
4407 | static void | |
4408 | image_error (format, arg1, arg2) | |
4409 | char *format; | |
4410 | Lisp_Object arg1, arg2; | |
4411 | { | |
7ab1745f | 4412 | add_to_log (format, arg1, arg2); |
333b20bb GM |
4413 | } |
4414 | ||
4415 | ||
4416 | \f | |
4417 | /*********************************************************************** | |
4418 | Image specifications | |
4419 | ***********************************************************************/ | |
4420 | ||
4421 | enum image_value_type | |
4422 | { | |
4423 | IMAGE_DONT_CHECK_VALUE_TYPE, | |
4424 | IMAGE_STRING_VALUE, | |
6f1be3b9 | 4425 | IMAGE_STRING_OR_NIL_VALUE, |
333b20bb GM |
4426 | IMAGE_SYMBOL_VALUE, |
4427 | IMAGE_POSITIVE_INTEGER_VALUE, | |
3ed61e75 | 4428 | IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, |
333b20bb | 4429 | IMAGE_NON_NEGATIVE_INTEGER_VALUE, |
7c7ff7f5 | 4430 | IMAGE_ASCENT_VALUE, |
333b20bb GM |
4431 | IMAGE_INTEGER_VALUE, |
4432 | IMAGE_FUNCTION_VALUE, | |
4433 | IMAGE_NUMBER_VALUE, | |
4434 | IMAGE_BOOL_VALUE | |
4435 | }; | |
4436 | ||
4437 | /* Structure used when parsing image specifications. */ | |
4438 | ||
4439 | struct image_keyword | |
4440 | { | |
4441 | /* Name of keyword. */ | |
4442 | char *name; | |
4443 | ||
4444 | /* The type of value allowed. */ | |
4445 | enum image_value_type type; | |
4446 | ||
4447 | /* Non-zero means key must be present. */ | |
4448 | int mandatory_p; | |
4449 | ||
4450 | /* Used to recognize duplicate keywords in a property list. */ | |
4451 | int count; | |
4452 | ||
4453 | /* The value that was found. */ | |
4454 | Lisp_Object value; | |
4455 | }; | |
4456 | ||
4457 | ||
bfd2209f GM |
4458 | static int parse_image_spec P_ ((Lisp_Object, struct image_keyword *, |
4459 | int, Lisp_Object)); | |
333b20bb GM |
4460 | static Lisp_Object image_spec_value P_ ((Lisp_Object, Lisp_Object, int *)); |
4461 | ||
4462 | ||
4463 | /* Parse image spec SPEC according to KEYWORDS. A valid image spec | |
4464 | has the format (image KEYWORD VALUE ...). One of the keyword/ | |
4465 | value pairs must be `:type TYPE'. KEYWORDS is a vector of | |
4466 | image_keywords structures of size NKEYWORDS describing other | |
bfd2209f | 4467 | allowed keyword/value pairs. Value is non-zero if SPEC is valid. */ |
333b20bb GM |
4468 | |
4469 | static int | |
bfd2209f | 4470 | parse_image_spec (spec, keywords, nkeywords, type) |
333b20bb GM |
4471 | Lisp_Object spec; |
4472 | struct image_keyword *keywords; | |
4473 | int nkeywords; | |
4474 | Lisp_Object type; | |
333b20bb GM |
4475 | { |
4476 | int i; | |
4477 | Lisp_Object plist; | |
4478 | ||
4479 | if (!CONSP (spec) || !EQ (XCAR (spec), Qimage)) | |
4480 | return 0; | |
4481 | ||
4482 | plist = XCDR (spec); | |
4483 | while (CONSP (plist)) | |
4484 | { | |
4485 | Lisp_Object key, value; | |
4486 | ||
4487 | /* First element of a pair must be a symbol. */ | |
4488 | key = XCAR (plist); | |
4489 | plist = XCDR (plist); | |
4490 | if (!SYMBOLP (key)) | |
4491 | return 0; | |
4492 | ||
4493 | /* There must follow a value. */ | |
4494 | if (!CONSP (plist)) | |
4495 | return 0; | |
4496 | value = XCAR (plist); | |
4497 | plist = XCDR (plist); | |
4498 | ||
4499 | /* Find key in KEYWORDS. Error if not found. */ | |
4500 | for (i = 0; i < nkeywords; ++i) | |
d5db4077 | 4501 | if (strcmp (keywords[i].name, SDATA (SYMBOL_NAME (key))) == 0) |
333b20bb GM |
4502 | break; |
4503 | ||
4504 | if (i == nkeywords) | |
bfd2209f | 4505 | continue; |
333b20bb GM |
4506 | |
4507 | /* Record that we recognized the keyword. If a keywords | |
4508 | was found more than once, it's an error. */ | |
4509 | keywords[i].value = value; | |
4510 | ++keywords[i].count; | |
177c0ea7 | 4511 | |
333b20bb GM |
4512 | if (keywords[i].count > 1) |
4513 | return 0; | |
4514 | ||
4515 | /* Check type of value against allowed type. */ | |
4516 | switch (keywords[i].type) | |
4517 | { | |
4518 | case IMAGE_STRING_VALUE: | |
4519 | if (!STRINGP (value)) | |
4520 | return 0; | |
4521 | break; | |
4522 | ||
6f1be3b9 GM |
4523 | case IMAGE_STRING_OR_NIL_VALUE: |
4524 | if (!STRINGP (value) && !NILP (value)) | |
4525 | return 0; | |
4526 | break; | |
4527 | ||
333b20bb GM |
4528 | case IMAGE_SYMBOL_VALUE: |
4529 | if (!SYMBOLP (value)) | |
4530 | return 0; | |
4531 | break; | |
4532 | ||
4533 | case IMAGE_POSITIVE_INTEGER_VALUE: | |
4534 | if (!INTEGERP (value) || XINT (value) <= 0) | |
4535 | return 0; | |
4536 | break; | |
4537 | ||
3ed61e75 GM |
4538 | case IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR: |
4539 | if (INTEGERP (value) && XINT (value) >= 0) | |
4540 | break; | |
4541 | if (CONSP (value) | |
4542 | && INTEGERP (XCAR (value)) && INTEGERP (XCDR (value)) | |
4543 | && XINT (XCAR (value)) >= 0 && XINT (XCDR (value)) >= 0) | |
4544 | break; | |
4545 | return 0; | |
4546 | ||
7c7ff7f5 GM |
4547 | case IMAGE_ASCENT_VALUE: |
4548 | if (SYMBOLP (value) && EQ (value, Qcenter)) | |
4549 | break; | |
4550 | else if (INTEGERP (value) | |
4551 | && XINT (value) >= 0 | |
4552 | && XINT (value) <= 100) | |
4553 | break; | |
4554 | return 0; | |
177c0ea7 | 4555 | |
333b20bb GM |
4556 | case IMAGE_NON_NEGATIVE_INTEGER_VALUE: |
4557 | if (!INTEGERP (value) || XINT (value) < 0) | |
4558 | return 0; | |
4559 | break; | |
4560 | ||
4561 | case IMAGE_DONT_CHECK_VALUE_TYPE: | |
4562 | break; | |
4563 | ||
4564 | case IMAGE_FUNCTION_VALUE: | |
4565 | value = indirect_function (value); | |
177c0ea7 | 4566 | if (SUBRP (value) |
333b20bb GM |
4567 | || COMPILEDP (value) |
4568 | || (CONSP (value) && EQ (XCAR (value), Qlambda))) | |
4569 | break; | |
4570 | return 0; | |
4571 | ||
4572 | case IMAGE_NUMBER_VALUE: | |
4573 | if (!INTEGERP (value) && !FLOATP (value)) | |
4574 | return 0; | |
4575 | break; | |
4576 | ||
4577 | case IMAGE_INTEGER_VALUE: | |
4578 | if (!INTEGERP (value)) | |
4579 | return 0; | |
4580 | break; | |
4581 | ||
4582 | case IMAGE_BOOL_VALUE: | |
4583 | if (!NILP (value) && !EQ (value, Qt)) | |
4584 | return 0; | |
4585 | break; | |
4586 | ||
4587 | default: | |
4588 | abort (); | |
4589 | break; | |
4590 | } | |
4591 | ||
4592 | if (EQ (key, QCtype) && !EQ (type, value)) | |
4593 | return 0; | |
4594 | } | |
4595 | ||
4596 | /* Check that all mandatory fields are present. */ | |
4597 | for (i = 0; i < nkeywords; ++i) | |
4598 | if (keywords[i].mandatory_p && keywords[i].count == 0) | |
4599 | return 0; | |
4600 | ||
4601 | return NILP (plist); | |
4602 | } | |
4603 | ||
4604 | ||
4605 | /* Return the value of KEY in image specification SPEC. Value is nil | |
4606 | if KEY is not present in SPEC. if FOUND is not null, set *FOUND | |
4607 | to 1 if KEY was found in SPEC, set it to 0 otherwise. */ | |
4608 | ||
4609 | static Lisp_Object | |
4610 | image_spec_value (spec, key, found) | |
4611 | Lisp_Object spec, key; | |
4612 | int *found; | |
4613 | { | |
4614 | Lisp_Object tail; | |
177c0ea7 | 4615 | |
333b20bb GM |
4616 | xassert (valid_image_p (spec)); |
4617 | ||
4618 | for (tail = XCDR (spec); | |
4619 | CONSP (tail) && CONSP (XCDR (tail)); | |
4620 | tail = XCDR (XCDR (tail))) | |
4621 | { | |
4622 | if (EQ (XCAR (tail), key)) | |
4623 | { | |
4624 | if (found) | |
4625 | *found = 1; | |
4626 | return XCAR (XCDR (tail)); | |
4627 | } | |
4628 | } | |
177c0ea7 | 4629 | |
333b20bb GM |
4630 | if (found) |
4631 | *found = 0; | |
4632 | return Qnil; | |
4633 | } | |
177c0ea7 | 4634 | |
333b20bb | 4635 | |
42677916 | 4636 | DEFUN ("image-size", Fimage_size, Simage_size, 1, 3, 0, |
7ee72033 | 4637 | doc: /* Return the size of image SPEC as pair (WIDTH . HEIGHT). |
c061c855 GM |
4638 | PIXELS non-nil means return the size in pixels, otherwise return the |
4639 | size in canonical character units. | |
4640 | FRAME is the frame on which the image will be displayed. FRAME nil | |
7ee72033 MB |
4641 | or omitted means use the selected frame. */) |
4642 | (spec, pixels, frame) | |
42677916 GM |
4643 | Lisp_Object spec, pixels, frame; |
4644 | { | |
4645 | Lisp_Object size; | |
4646 | ||
4647 | size = Qnil; | |
4648 | if (valid_image_p (spec)) | |
4649 | { | |
4650 | struct frame *f = check_x_frame (frame); | |
83676598 | 4651 | int id = lookup_image (f, spec); |
42677916 | 4652 | struct image *img = IMAGE_FROM_ID (f, id); |
3ed61e75 GM |
4653 | int width = img->width + 2 * img->hmargin; |
4654 | int height = img->height + 2 * img->vmargin; | |
177c0ea7 | 4655 | |
42677916 | 4656 | if (NILP (pixels)) |
be786000 KS |
4657 | size = Fcons (make_float ((double) width / FRAME_COLUMN_WIDTH (f)), |
4658 | make_float ((double) height / FRAME_LINE_HEIGHT (f))); | |
42677916 GM |
4659 | else |
4660 | size = Fcons (make_number (width), make_number (height)); | |
4661 | } | |
4662 | else | |
4663 | error ("Invalid image specification"); | |
4664 | ||
4665 | return size; | |
4666 | } | |
4667 | ||
333b20bb | 4668 | |
b243755a | 4669 | DEFUN ("image-mask-p", Fimage_mask_p, Simage_mask_p, 1, 2, 0, |
7ee72033 | 4670 | doc: /* Return t if image SPEC has a mask bitmap. |
c061c855 | 4671 | FRAME is the frame on which the image will be displayed. FRAME nil |
7ee72033 MB |
4672 | or omitted means use the selected frame. */) |
4673 | (spec, frame) | |
b243755a GM |
4674 | Lisp_Object spec, frame; |
4675 | { | |
4676 | Lisp_Object mask; | |
4677 | ||
4678 | mask = Qnil; | |
4679 | if (valid_image_p (spec)) | |
4680 | { | |
4681 | struct frame *f = check_x_frame (frame); | |
83676598 | 4682 | int id = lookup_image (f, spec); |
b243755a GM |
4683 | struct image *img = IMAGE_FROM_ID (f, id); |
4684 | if (img->mask) | |
4685 | mask = Qt; | |
4686 | } | |
4687 | else | |
4688 | error ("Invalid image specification"); | |
4689 | ||
4690 | return mask; | |
4691 | } | |
4692 | ||
4693 | ||
333b20bb GM |
4694 | \f |
4695 | /*********************************************************************** | |
4696 | Image type independent image structures | |
4697 | ***********************************************************************/ | |
4698 | ||
4699 | static struct image *make_image P_ ((Lisp_Object spec, unsigned hash)); | |
4700 | static void free_image P_ ((struct frame *f, struct image *img)); | |
4701 | ||
4702 | ||
4703 | /* Allocate and return a new image structure for image specification | |
4704 | SPEC. SPEC has a hash value of HASH. */ | |
4705 | ||
4706 | static struct image * | |
4707 | make_image (spec, hash) | |
4708 | Lisp_Object spec; | |
4709 | unsigned hash; | |
4710 | { | |
4711 | struct image *img = (struct image *) xmalloc (sizeof *img); | |
177c0ea7 | 4712 | |
333b20bb GM |
4713 | xassert (valid_image_p (spec)); |
4714 | bzero (img, sizeof *img); | |
4715 | img->type = lookup_image_type (image_spec_value (spec, QCtype, NULL)); | |
4716 | xassert (img->type != NULL); | |
4717 | img->spec = spec; | |
4718 | img->data.lisp_val = Qnil; | |
4719 | img->ascent = DEFAULT_IMAGE_ASCENT; | |
4720 | img->hash = hash; | |
4721 | return img; | |
4722 | } | |
4723 | ||
4724 | ||
4725 | /* Free image IMG which was used on frame F, including its resources. */ | |
4726 | ||
4727 | static void | |
4728 | free_image (f, img) | |
4729 | struct frame *f; | |
4730 | struct image *img; | |
4731 | { | |
4732 | if (img) | |
4733 | { | |
4734 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); | |
4735 | ||
4736 | /* Remove IMG from the hash table of its cache. */ | |
4737 | if (img->prev) | |
4738 | img->prev->next = img->next; | |
4739 | else | |
4740 | c->buckets[img->hash % IMAGE_CACHE_BUCKETS_SIZE] = img->next; | |
4741 | ||
4742 | if (img->next) | |
4743 | img->next->prev = img->prev; | |
4744 | ||
4745 | c->images[img->id] = NULL; | |
4746 | ||
4747 | /* Free resources, then free IMG. */ | |
4748 | img->type->free (f, img); | |
4749 | xfree (img); | |
4750 | } | |
4751 | } | |
4752 | ||
4753 | ||
4754 | /* Prepare image IMG for display on frame F. Must be called before | |
4755 | drawing an image. */ | |
4756 | ||
4757 | void | |
4758 | prepare_image_for_display (f, img) | |
4759 | struct frame *f; | |
4760 | struct image *img; | |
4761 | { | |
4762 | EMACS_TIME t; | |
4763 | ||
4764 | /* We're about to display IMG, so set its timestamp to `now'. */ | |
4765 | EMACS_GET_TIME (t); | |
4766 | img->timestamp = EMACS_SECS (t); | |
4767 | ||
4768 | /* If IMG doesn't have a pixmap yet, load it now, using the image | |
4769 | type dependent loader function. */ | |
dd00328a | 4770 | if (img->pixmap == None && !img->load_failed_p) |
209061be | 4771 | img->load_failed_p = img->type->load (f, img) == 0; |
333b20bb | 4772 | } |
177c0ea7 | 4773 | |
333b20bb | 4774 | |
7c7ff7f5 GM |
4775 | /* Value is the number of pixels for the ascent of image IMG when |
4776 | drawn in face FACE. */ | |
4777 | ||
4778 | int | |
4779 | image_ascent (img, face) | |
4780 | struct image *img; | |
4781 | struct face *face; | |
4782 | { | |
3ed61e75 | 4783 | int height = img->height + img->vmargin; |
7c7ff7f5 GM |
4784 | int ascent; |
4785 | ||
4786 | if (img->ascent == CENTERED_IMAGE_ASCENT) | |
4787 | { | |
4788 | if (face->font) | |
3694cb3f MB |
4789 | /* This expression is arranged so that if the image can't be |
4790 | exactly centered, it will be moved slightly up. This is | |
4791 | because a typical font is `top-heavy' (due to the presence | |
4792 | uppercase letters), so the image placement should err towards | |
4793 | being top-heavy too. It also just generally looks better. */ | |
4794 | ascent = (height + face->font->ascent - face->font->descent + 1) / 2; | |
7c7ff7f5 GM |
4795 | else |
4796 | ascent = height / 2; | |
4797 | } | |
4798 | else | |
4799 | ascent = height * img->ascent / 100.0; | |
4800 | ||
4801 | return ascent; | |
4802 | } | |
4803 | ||
f20a3b7a MB |
4804 | \f |
4805 | /* Image background colors. */ | |
4806 | ||
4807 | static unsigned long | |
4808 | four_corners_best (ximg, width, height) | |
4809 | XImage *ximg; | |
4810 | unsigned long width, height; | |
4811 | { | |
b350c2e5 GM |
4812 | unsigned long corners[4], best; |
4813 | int i, best_count; | |
f20a3b7a | 4814 | |
b350c2e5 GM |
4815 | /* Get the colors at the corners of ximg. */ |
4816 | corners[0] = XGetPixel (ximg, 0, 0); | |
4817 | corners[1] = XGetPixel (ximg, width - 1, 0); | |
4818 | corners[2] = XGetPixel (ximg, width - 1, height - 1); | |
4819 | corners[3] = XGetPixel (ximg, 0, height - 1); | |
f20a3b7a | 4820 | |
b350c2e5 GM |
4821 | /* Choose the most frequently found color as background. */ |
4822 | for (i = best_count = 0; i < 4; ++i) | |
4823 | { | |
4824 | int j, n; | |
177c0ea7 | 4825 | |
b350c2e5 GM |
4826 | for (j = n = 0; j < 4; ++j) |
4827 | if (corners[i] == corners[j]) | |
4828 | ++n; | |
f20a3b7a | 4829 | |
b350c2e5 GM |
4830 | if (n > best_count) |
4831 | best = corners[i], best_count = n; | |
4832 | } | |
f20a3b7a | 4833 | |
b350c2e5 | 4834 | return best; |
f20a3b7a MB |
4835 | } |
4836 | ||
4837 | /* Return the `background' field of IMG. If IMG doesn't have one yet, | |
4838 | it is guessed heuristically. If non-zero, XIMG is an existing XImage | |
4839 | object to use for the heuristic. */ | |
4840 | ||
4841 | unsigned long | |
4842 | image_background (img, f, ximg) | |
4843 | struct image *img; | |
4844 | struct frame *f; | |
4845 | XImage *ximg; | |
4846 | { | |
4847 | if (! img->background_valid) | |
4848 | /* IMG doesn't have a background yet, try to guess a reasonable value. */ | |
4849 | { | |
4850 | int free_ximg = !ximg; | |
4851 | ||
4852 | if (! ximg) | |
4853 | ximg = XGetImage (FRAME_X_DISPLAY (f), img->pixmap, | |
4854 | 0, 0, img->width, img->height, ~0, ZPixmap); | |
4855 | ||
4856 | img->background = four_corners_best (ximg, img->width, img->height); | |
4857 | ||
4858 | if (free_ximg) | |
4859 | XDestroyImage (ximg); | |
4860 | ||
4861 | img->background_valid = 1; | |
4862 | } | |
4863 | ||
4864 | return img->background; | |
4865 | } | |
4866 | ||
4867 | /* Return the `background_transparent' field of IMG. If IMG doesn't | |
4868 | have one yet, it is guessed heuristically. If non-zero, MASK is an | |
4869 | existing XImage object to use for the heuristic. */ | |
4870 | ||
4871 | int | |
4872 | image_background_transparent (img, f, mask) | |
4873 | struct image *img; | |
4874 | struct frame *f; | |
4875 | XImage *mask; | |
4876 | { | |
4877 | if (! img->background_transparent_valid) | |
4878 | /* IMG doesn't have a background yet, try to guess a reasonable value. */ | |
4879 | { | |
4880 | if (img->mask) | |
4881 | { | |
4882 | int free_mask = !mask; | |
4883 | ||
4884 | if (! mask) | |
4885 | mask = XGetImage (FRAME_X_DISPLAY (f), img->mask, | |
4886 | 0, 0, img->width, img->height, ~0, ZPixmap); | |
4887 | ||
4888 | img->background_transparent | |
4889 | = !four_corners_best (mask, img->width, img->height); | |
4890 | ||
4891 | if (free_mask) | |
4892 | XDestroyImage (mask); | |
4893 | } | |
4894 | else | |
4895 | img->background_transparent = 0; | |
4896 | ||
4897 | img->background_transparent_valid = 1; | |
4898 | } | |
4899 | ||
4900 | return img->background_transparent; | |
4901 | } | |
7c7ff7f5 | 4902 | |
333b20bb GM |
4903 | \f |
4904 | /*********************************************************************** | |
4905 | Helper functions for X image types | |
4906 | ***********************************************************************/ | |
4907 | ||
dd00328a GM |
4908 | static void x_clear_image_1 P_ ((struct frame *, struct image *, int, |
4909 | int, int)); | |
333b20bb GM |
4910 | static void x_clear_image P_ ((struct frame *f, struct image *img)); |
4911 | static unsigned long x_alloc_image_color P_ ((struct frame *f, | |
4912 | struct image *img, | |
4913 | Lisp_Object color_name, | |
4914 | unsigned long dflt)); | |
4915 | ||
dd00328a GM |
4916 | |
4917 | /* Clear X resources of image IMG on frame F. PIXMAP_P non-zero means | |
4918 | free the pixmap if any. MASK_P non-zero means clear the mask | |
4919 | pixmap if any. COLORS_P non-zero means free colors allocated for | |
4920 | the image, if any. */ | |
333b20bb GM |
4921 | |
4922 | static void | |
dd00328a | 4923 | x_clear_image_1 (f, img, pixmap_p, mask_p, colors_p) |
333b20bb GM |
4924 | struct frame *f; |
4925 | struct image *img; | |
dd00328a | 4926 | int pixmap_p, mask_p, colors_p; |
333b20bb | 4927 | { |
dd00328a | 4928 | if (pixmap_p && img->pixmap) |
333b20bb | 4929 | { |
333b20bb | 4930 | XFreePixmap (FRAME_X_DISPLAY (f), img->pixmap); |
dd00328a | 4931 | img->pixmap = None; |
f20a3b7a | 4932 | img->background_valid = 0; |
f4779de9 GM |
4933 | } |
4934 | ||
dd00328a | 4935 | if (mask_p && img->mask) |
f4779de9 GM |
4936 | { |
4937 | XFreePixmap (FRAME_X_DISPLAY (f), img->mask); | |
dd00328a | 4938 | img->mask = None; |
f20a3b7a | 4939 | img->background_transparent_valid = 0; |
333b20bb | 4940 | } |
177c0ea7 | 4941 | |
dd00328a | 4942 | if (colors_p && img->ncolors) |
333b20bb | 4943 | { |
462d5d40 | 4944 | x_free_colors (f, img->colors, img->ncolors); |
333b20bb GM |
4945 | xfree (img->colors); |
4946 | img->colors = NULL; | |
4947 | img->ncolors = 0; | |
4948 | } | |
dd00328a GM |
4949 | } |
4950 | ||
4951 | /* Free X resources of image IMG which is used on frame F. */ | |
4952 | ||
4953 | static void | |
4954 | x_clear_image (f, img) | |
4955 | struct frame *f; | |
4956 | struct image *img; | |
4957 | { | |
4958 | BLOCK_INPUT; | |
4959 | x_clear_image_1 (f, img, 1, 1, 1); | |
f4779de9 | 4960 | UNBLOCK_INPUT; |
333b20bb GM |
4961 | } |
4962 | ||
4963 | ||
4964 | /* Allocate color COLOR_NAME for image IMG on frame F. If color | |
4965 | cannot be allocated, use DFLT. Add a newly allocated color to | |
4966 | IMG->colors, so that it can be freed again. Value is the pixel | |
4967 | color. */ | |
4968 | ||
4969 | static unsigned long | |
4970 | x_alloc_image_color (f, img, color_name, dflt) | |
4971 | struct frame *f; | |
4972 | struct image *img; | |
4973 | Lisp_Object color_name; | |
4974 | unsigned long dflt; | |
4975 | { | |
4976 | XColor color; | |
4977 | unsigned long result; | |
4978 | ||
4979 | xassert (STRINGP (color_name)); | |
4980 | ||
d5db4077 | 4981 | if (x_defined_color (f, SDATA (color_name), &color, 1)) |
333b20bb GM |
4982 | { |
4983 | /* This isn't called frequently so we get away with simply | |
4984 | reallocating the color vector to the needed size, here. */ | |
4985 | ++img->ncolors; | |
4986 | img->colors = | |
4987 | (unsigned long *) xrealloc (img->colors, | |
4988 | img->ncolors * sizeof *img->colors); | |
4989 | img->colors[img->ncolors - 1] = color.pixel; | |
4990 | result = color.pixel; | |
4991 | } | |
4992 | else | |
4993 | result = dflt; | |
4994 | ||
4995 | return result; | |
4996 | } | |
4997 | ||
4998 | ||
4999 | \f | |
5000 | /*********************************************************************** | |
5001 | Image Cache | |
5002 | ***********************************************************************/ | |
5003 | ||
5004 | static void cache_image P_ ((struct frame *f, struct image *img)); | |
ad18ffb1 | 5005 | static void postprocess_image P_ ((struct frame *, struct image *)); |
333b20bb GM |
5006 | |
5007 | ||
5008 | /* Return a new, initialized image cache that is allocated from the | |
5009 | heap. Call free_image_cache to free an image cache. */ | |
5010 | ||
5011 | struct image_cache * | |
5012 | make_image_cache () | |
5013 | { | |
5014 | struct image_cache *c = (struct image_cache *) xmalloc (sizeof *c); | |
5015 | int size; | |
177c0ea7 | 5016 | |
333b20bb GM |
5017 | bzero (c, sizeof *c); |
5018 | c->size = 50; | |
5019 | c->images = (struct image **) xmalloc (c->size * sizeof *c->images); | |
5020 | size = IMAGE_CACHE_BUCKETS_SIZE * sizeof *c->buckets; | |
5021 | c->buckets = (struct image **) xmalloc (size); | |
5022 | bzero (c->buckets, size); | |
5023 | return c; | |
5024 | } | |
5025 | ||
5026 | ||
5027 | /* Free image cache of frame F. Be aware that X frames share images | |
5028 | caches. */ | |
5029 | ||
5030 | void | |
5031 | free_image_cache (f) | |
5032 | struct frame *f; | |
5033 | { | |
5034 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); | |
5035 | if (c) | |
5036 | { | |
5037 | int i; | |
5038 | ||
5039 | /* Cache should not be referenced by any frame when freed. */ | |
5040 | xassert (c->refcount == 0); | |
177c0ea7 | 5041 | |
333b20bb GM |
5042 | for (i = 0; i < c->used; ++i) |
5043 | free_image (f, c->images[i]); | |
5044 | xfree (c->images); | |
333b20bb | 5045 | xfree (c->buckets); |
e3130015 | 5046 | xfree (c); |
333b20bb GM |
5047 | FRAME_X_IMAGE_CACHE (f) = NULL; |
5048 | } | |
5049 | } | |
5050 | ||
5051 | ||
5052 | /* Clear image cache of frame F. FORCE_P non-zero means free all | |
5053 | images. FORCE_P zero means clear only images that haven't been | |
5054 | displayed for some time. Should be called from time to time to | |
5055 | reduce the number of loaded images. If image-eviction-seconds is | |
5056 | non-nil, this frees images in the cache which weren't displayed for | |
5057 | at least that many seconds. */ | |
5058 | ||
5059 | void | |
5060 | clear_image_cache (f, force_p) | |
5061 | struct frame *f; | |
5062 | int force_p; | |
5063 | { | |
5064 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); | |
5065 | ||
83676598 | 5066 | if (c && INTEGERP (Vimage_cache_eviction_delay)) |
333b20bb GM |
5067 | { |
5068 | EMACS_TIME t; | |
5069 | unsigned long old; | |
f4779de9 | 5070 | int i, nfreed; |
333b20bb GM |
5071 | |
5072 | EMACS_GET_TIME (t); | |
fcf431dc | 5073 | old = EMACS_SECS (t) - XFASTINT (Vimage_cache_eviction_delay); |
f4779de9 GM |
5074 | |
5075 | /* Block input so that we won't be interrupted by a SIGIO | |
5076 | while being in an inconsistent state. */ | |
5077 | BLOCK_INPUT; | |
177c0ea7 | 5078 | |
f4779de9 | 5079 | for (i = nfreed = 0; i < c->used; ++i) |
333b20bb GM |
5080 | { |
5081 | struct image *img = c->images[i]; | |
5082 | if (img != NULL | |
f4779de9 | 5083 | && (force_p || img->timestamp < old)) |
333b20bb GM |
5084 | { |
5085 | free_image (f, img); | |
f4779de9 | 5086 | ++nfreed; |
333b20bb GM |
5087 | } |
5088 | } | |
5089 | ||
5090 | /* We may be clearing the image cache because, for example, | |
5091 | Emacs was iconified for a longer period of time. In that | |
5092 | case, current matrices may still contain references to | |
5093 | images freed above. So, clear these matrices. */ | |
f4779de9 | 5094 | if (nfreed) |
333b20bb | 5095 | { |
f4779de9 | 5096 | Lisp_Object tail, frame; |
177c0ea7 | 5097 | |
f4779de9 GM |
5098 | FOR_EACH_FRAME (tail, frame) |
5099 | { | |
5100 | struct frame *f = XFRAME (frame); | |
5101 | if (FRAME_X_P (f) | |
5102 | && FRAME_X_IMAGE_CACHE (f) == c) | |
83676598 | 5103 | clear_current_matrices (f); |
f4779de9 GM |
5104 | } |
5105 | ||
333b20bb GM |
5106 | ++windows_or_buffers_changed; |
5107 | } | |
f4779de9 GM |
5108 | |
5109 | UNBLOCK_INPUT; | |
333b20bb GM |
5110 | } |
5111 | } | |
5112 | ||
5113 | ||
5114 | DEFUN ("clear-image-cache", Fclear_image_cache, Sclear_image_cache, | |
5115 | 0, 1, 0, | |
7ee72033 | 5116 | doc: /* Clear the image cache of FRAME. |
c061c855 | 5117 | FRAME nil or omitted means use the selected frame. |
7ee72033 MB |
5118 | FRAME t means clear the image caches of all frames. */) |
5119 | (frame) | |
333b20bb GM |
5120 | Lisp_Object frame; |
5121 | { | |
5122 | if (EQ (frame, Qt)) | |
5123 | { | |
5124 | Lisp_Object tail; | |
177c0ea7 | 5125 | |
333b20bb GM |
5126 | FOR_EACH_FRAME (tail, frame) |
5127 | if (FRAME_X_P (XFRAME (frame))) | |
5128 | clear_image_cache (XFRAME (frame), 1); | |
5129 | } | |
5130 | else | |
5131 | clear_image_cache (check_x_frame (frame), 1); | |
5132 | ||
5133 | return Qnil; | |
5134 | } | |
5135 | ||
5136 | ||
ad18ffb1 GM |
5137 | /* Compute masks and transform image IMG on frame F, as specified |
5138 | by the image's specification, */ | |
5139 | ||
5140 | static void | |
5141 | postprocess_image (f, img) | |
5142 | struct frame *f; | |
5143 | struct image *img; | |
5144 | { | |
5145 | /* Manipulation of the image's mask. */ | |
5146 | if (img->pixmap) | |
5147 | { | |
5148 | Lisp_Object conversion, spec; | |
5149 | Lisp_Object mask; | |
5150 | ||
5151 | spec = img->spec; | |
177c0ea7 | 5152 | |
ad18ffb1 GM |
5153 | /* `:heuristic-mask t' |
5154 | `:mask heuristic' | |
5155 | means build a mask heuristically. | |
5156 | `:heuristic-mask (R G B)' | |
5157 | `:mask (heuristic (R G B))' | |
5158 | means build a mask from color (R G B) in the | |
5159 | image. | |
5160 | `:mask nil' | |
5161 | means remove a mask, if any. */ | |
177c0ea7 | 5162 | |
ad18ffb1 GM |
5163 | mask = image_spec_value (spec, QCheuristic_mask, NULL); |
5164 | if (!NILP (mask)) | |
5165 | x_build_heuristic_mask (f, img, mask); | |
5166 | else | |
5167 | { | |
5168 | int found_p; | |
177c0ea7 | 5169 | |
ad18ffb1 | 5170 | mask = image_spec_value (spec, QCmask, &found_p); |
177c0ea7 | 5171 | |
ad18ffb1 GM |
5172 | if (EQ (mask, Qheuristic)) |
5173 | x_build_heuristic_mask (f, img, Qt); | |
5174 | else if (CONSP (mask) | |
5175 | && EQ (XCAR (mask), Qheuristic)) | |
5176 | { | |
5177 | if (CONSP (XCDR (mask))) | |
5178 | x_build_heuristic_mask (f, img, XCAR (XCDR (mask))); | |
5179 | else | |
5180 | x_build_heuristic_mask (f, img, XCDR (mask)); | |
5181 | } | |
5182 | else if (NILP (mask) && found_p && img->mask) | |
5183 | { | |
5184 | XFreePixmap (FRAME_X_DISPLAY (f), img->mask); | |
5185 | img->mask = None; | |
5186 | } | |
5187 | } | |
177c0ea7 JB |
5188 | |
5189 | ||
ad18ffb1 GM |
5190 | /* Should we apply an image transformation algorithm? */ |
5191 | conversion = image_spec_value (spec, QCconversion, NULL); | |
5192 | if (EQ (conversion, Qdisabled)) | |
5193 | x_disable_image (f, img); | |
5194 | else if (EQ (conversion, Qlaplace)) | |
5195 | x_laplace (f, img); | |
5196 | else if (EQ (conversion, Qemboss)) | |
5197 | x_emboss (f, img); | |
5198 | else if (CONSP (conversion) | |
5199 | && EQ (XCAR (conversion), Qedge_detection)) | |
5200 | { | |
5201 | Lisp_Object tem; | |
5202 | tem = XCDR (conversion); | |
5203 | if (CONSP (tem)) | |
5204 | x_edge_detection (f, img, | |
5205 | Fplist_get (tem, QCmatrix), | |
5206 | Fplist_get (tem, QCcolor_adjustment)); | |
5207 | } | |
5208 | } | |
5209 | } | |
5210 | ||
5211 | ||
333b20bb | 5212 | /* Return the id of image with Lisp specification SPEC on frame F. |
83676598 | 5213 | SPEC must be a valid Lisp image specification (see valid_image_p). */ |
333b20bb GM |
5214 | |
5215 | int | |
83676598 | 5216 | lookup_image (f, spec) |
333b20bb GM |
5217 | struct frame *f; |
5218 | Lisp_Object spec; | |
5219 | { | |
5220 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); | |
5221 | struct image *img; | |
5222 | int i; | |
5223 | unsigned hash; | |
5224 | struct gcpro gcpro1; | |
4f7ca1f1 | 5225 | EMACS_TIME now; |
333b20bb GM |
5226 | |
5227 | /* F must be a window-system frame, and SPEC must be a valid image | |
5228 | specification. */ | |
5229 | xassert (FRAME_WINDOW_P (f)); | |
5230 | xassert (valid_image_p (spec)); | |
177c0ea7 | 5231 | |
333b20bb GM |
5232 | GCPRO1 (spec); |
5233 | ||
5234 | /* Look up SPEC in the hash table of the image cache. */ | |
5235 | hash = sxhash (spec, 0); | |
5236 | i = hash % IMAGE_CACHE_BUCKETS_SIZE; | |
5237 | ||
5238 | for (img = c->buckets[i]; img; img = img->next) | |
5239 | if (img->hash == hash && !NILP (Fequal (img->spec, spec))) | |
5240 | break; | |
5241 | ||
5242 | /* If not found, create a new image and cache it. */ | |
5243 | if (img == NULL) | |
5244 | { | |
ad18ffb1 | 5245 | extern Lisp_Object Qpostscript; |
177c0ea7 | 5246 | |
28c7826c | 5247 | BLOCK_INPUT; |
333b20bb GM |
5248 | img = make_image (spec, hash); |
5249 | cache_image (f, img); | |
83676598 | 5250 | img->load_failed_p = img->type->load (f, img) == 0; |
333b20bb GM |
5251 | |
5252 | /* If we can't load the image, and we don't have a width and | |
5253 | height, use some arbitrary width and height so that we can | |
5254 | draw a rectangle for it. */ | |
83676598 | 5255 | if (img->load_failed_p) |
333b20bb GM |
5256 | { |
5257 | Lisp_Object value; | |
5258 | ||
5259 | value = image_spec_value (spec, QCwidth, NULL); | |
5260 | img->width = (INTEGERP (value) | |
5261 | ? XFASTINT (value) : DEFAULT_IMAGE_WIDTH); | |
5262 | value = image_spec_value (spec, QCheight, NULL); | |
5263 | img->height = (INTEGERP (value) | |
5264 | ? XFASTINT (value) : DEFAULT_IMAGE_HEIGHT); | |
5265 | } | |
5266 | else | |
5267 | { | |
5268 | /* Handle image type independent image attributes | |
f20a3b7a MB |
5269 | `:ascent ASCENT', `:margin MARGIN', `:relief RELIEF', |
5270 | `:background COLOR'. */ | |
5271 | Lisp_Object ascent, margin, relief, bg; | |
333b20bb GM |
5272 | |
5273 | ascent = image_spec_value (spec, QCascent, NULL); | |
5274 | if (INTEGERP (ascent)) | |
5275 | img->ascent = XFASTINT (ascent); | |
7c7ff7f5 GM |
5276 | else if (EQ (ascent, Qcenter)) |
5277 | img->ascent = CENTERED_IMAGE_ASCENT; | |
177c0ea7 | 5278 | |
333b20bb GM |
5279 | margin = image_spec_value (spec, QCmargin, NULL); |
5280 | if (INTEGERP (margin) && XINT (margin) >= 0) | |
3ed61e75 GM |
5281 | img->vmargin = img->hmargin = XFASTINT (margin); |
5282 | else if (CONSP (margin) && INTEGERP (XCAR (margin)) | |
5283 | && INTEGERP (XCDR (margin))) | |
5284 | { | |
5285 | if (XINT (XCAR (margin)) > 0) | |
5286 | img->hmargin = XFASTINT (XCAR (margin)); | |
5287 | if (XINT (XCDR (margin)) > 0) | |
5288 | img->vmargin = XFASTINT (XCDR (margin)); | |
5289 | } | |
177c0ea7 | 5290 | |
333b20bb GM |
5291 | relief = image_spec_value (spec, QCrelief, NULL); |
5292 | if (INTEGERP (relief)) | |
5293 | { | |
5294 | img->relief = XINT (relief); | |
3ed61e75 GM |
5295 | img->hmargin += abs (img->relief); |
5296 | img->vmargin += abs (img->relief); | |
333b20bb GM |
5297 | } |
5298 | ||
f20a3b7a MB |
5299 | if (! img->background_valid) |
5300 | { | |
5301 | bg = image_spec_value (img->spec, QCbackground, NULL); | |
5302 | if (!NILP (bg)) | |
5303 | { | |
5304 | img->background | |
5305 | = x_alloc_image_color (f, img, bg, | |
5306 | FRAME_BACKGROUND_PIXEL (f)); | |
5307 | img->background_valid = 1; | |
5308 | } | |
5309 | } | |
5310 | ||
ad18ffb1 GM |
5311 | /* Do image transformations and compute masks, unless we |
5312 | don't have the image yet. */ | |
5313 | if (!EQ (*img->type->type, Qpostscript)) | |
5314 | postprocess_image (f, img); | |
333b20bb | 5315 | } |
dd00328a | 5316 | |
28c7826c GM |
5317 | UNBLOCK_INPUT; |
5318 | xassert (!interrupt_input_blocked); | |
333b20bb GM |
5319 | } |
5320 | ||
4f7ca1f1 GM |
5321 | /* We're using IMG, so set its timestamp to `now'. */ |
5322 | EMACS_GET_TIME (now); | |
5323 | img->timestamp = EMACS_SECS (now); | |
177c0ea7 | 5324 | |
333b20bb | 5325 | UNGCPRO; |
177c0ea7 | 5326 | |
333b20bb GM |
5327 | /* Value is the image id. */ |
5328 | return img->id; | |
5329 | } | |
5330 | ||
5331 | ||
5332 | /* Cache image IMG in the image cache of frame F. */ | |
5333 | ||
5334 | static void | |
5335 | cache_image (f, img) | |
5336 | struct frame *f; | |
5337 | struct image *img; | |
5338 | { | |
5339 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); | |
5340 | int i; | |
5341 | ||
5342 | /* Find a free slot in c->images. */ | |
5343 | for (i = 0; i < c->used; ++i) | |
5344 | if (c->images[i] == NULL) | |
5345 | break; | |
5346 | ||
5347 | /* If no free slot found, maybe enlarge c->images. */ | |
5348 | if (i == c->used && c->used == c->size) | |
5349 | { | |
5350 | c->size *= 2; | |
5351 | c->images = (struct image **) xrealloc (c->images, | |
5352 | c->size * sizeof *c->images); | |
5353 | } | |
5354 | ||
5355 | /* Add IMG to c->images, and assign IMG an id. */ | |
5356 | c->images[i] = img; | |
5357 | img->id = i; | |
5358 | if (i == c->used) | |
5359 | ++c->used; | |
5360 | ||
5361 | /* Add IMG to the cache's hash table. */ | |
5362 | i = img->hash % IMAGE_CACHE_BUCKETS_SIZE; | |
5363 | img->next = c->buckets[i]; | |
5364 | if (img->next) | |
5365 | img->next->prev = img; | |
5366 | img->prev = NULL; | |
5367 | c->buckets[i] = img; | |
5368 | } | |
5369 | ||
5370 | ||
5371 | /* Call FN on every image in the image cache of frame F. Used to mark | |
5372 | Lisp Objects in the image cache. */ | |
5373 | ||
5374 | void | |
5375 | forall_images_in_image_cache (f, fn) | |
5376 | struct frame *f; | |
5377 | void (*fn) P_ ((struct image *img)); | |
5378 | { | |
5379 | if (FRAME_LIVE_P (f) && FRAME_X_P (f)) | |
5380 | { | |
5381 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); | |
5382 | if (c) | |
5383 | { | |
5384 | int i; | |
5385 | for (i = 0; i < c->used; ++i) | |
5386 | if (c->images[i]) | |
5387 | fn (c->images[i]); | |
5388 | } | |
5389 | } | |
5390 | } | |
5391 | ||
5392 | ||
5393 | \f | |
5394 | /*********************************************************************** | |
5395 | X support code | |
5396 | ***********************************************************************/ | |
5397 | ||
45158a91 GM |
5398 | static int x_create_x_image_and_pixmap P_ ((struct frame *, int, int, int, |
5399 | XImage **, Pixmap *)); | |
333b20bb GM |
5400 | static void x_destroy_x_image P_ ((XImage *)); |
5401 | static void x_put_x_image P_ ((struct frame *, XImage *, Pixmap, int, int)); | |
5402 | ||
5403 | ||
5404 | /* Create an XImage and a pixmap of size WIDTH x HEIGHT for use on | |
5405 | frame F. Set *XIMG and *PIXMAP to the XImage and Pixmap created. | |
5406 | Set (*XIMG)->data to a raster of WIDTH x HEIGHT pixels allocated | |
5407 | via xmalloc. Print error messages via image_error if an error | |
45158a91 | 5408 | occurs. Value is non-zero if successful. */ |
333b20bb GM |
5409 | |
5410 | static int | |
45158a91 | 5411 | x_create_x_image_and_pixmap (f, width, height, depth, ximg, pixmap) |
333b20bb | 5412 | struct frame *f; |
333b20bb GM |
5413 | int width, height, depth; |
5414 | XImage **ximg; | |
5415 | Pixmap *pixmap; | |
5416 | { | |
5417 | Display *display = FRAME_X_DISPLAY (f); | |
5418 | Screen *screen = FRAME_X_SCREEN (f); | |
5419 | Window window = FRAME_X_WINDOW (f); | |
5420 | ||
5421 | xassert (interrupt_input_blocked); | |
5422 | ||
5423 | if (depth <= 0) | |
5424 | depth = DefaultDepthOfScreen (screen); | |
5425 | *ximg = XCreateImage (display, DefaultVisualOfScreen (screen), | |
5426 | depth, ZPixmap, 0, NULL, width, height, | |
5427 | depth > 16 ? 32 : depth > 8 ? 16 : 8, 0); | |
5428 | if (*ximg == NULL) | |
5429 | { | |
45158a91 | 5430 | image_error ("Unable to allocate X image", Qnil, Qnil); |
333b20bb GM |
5431 | return 0; |
5432 | } | |
5433 | ||
5434 | /* Allocate image raster. */ | |
5435 | (*ximg)->data = (char *) xmalloc ((*ximg)->bytes_per_line * height); | |
5436 | ||
5437 | /* Allocate a pixmap of the same size. */ | |
5438 | *pixmap = XCreatePixmap (display, window, width, height, depth); | |
dd00328a | 5439 | if (*pixmap == None) |
333b20bb GM |
5440 | { |
5441 | x_destroy_x_image (*ximg); | |
5442 | *ximg = NULL; | |
45158a91 | 5443 | image_error ("Unable to create X pixmap", Qnil, Qnil); |
333b20bb GM |
5444 | return 0; |
5445 | } | |
5446 | ||
5447 | return 1; | |
5448 | } | |
5449 | ||
5450 | ||
5451 | /* Destroy XImage XIMG. Free XIMG->data. */ | |
5452 | ||
5453 | static void | |
5454 | x_destroy_x_image (ximg) | |
5455 | XImage *ximg; | |
5456 | { | |
5457 | xassert (interrupt_input_blocked); | |
5458 | if (ximg) | |
5459 | { | |
5460 | xfree (ximg->data); | |
5461 | ximg->data = NULL; | |
5462 | XDestroyImage (ximg); | |
5463 | } | |
5464 | } | |
5465 | ||
5466 | ||
5467 | /* Put XImage XIMG into pixmap PIXMAP on frame F. WIDTH and HEIGHT | |
5468 | are width and height of both the image and pixmap. */ | |
5469 | ||
ea6b19ca | 5470 | static void |
333b20bb GM |
5471 | x_put_x_image (f, ximg, pixmap, width, height) |
5472 | struct frame *f; | |
5473 | XImage *ximg; | |
5474 | Pixmap pixmap; | |
caeea55a | 5475 | int width, height; |
333b20bb GM |
5476 | { |
5477 | GC gc; | |
177c0ea7 | 5478 | |
333b20bb GM |
5479 | xassert (interrupt_input_blocked); |
5480 | gc = XCreateGC (FRAME_X_DISPLAY (f), pixmap, 0, NULL); | |
5481 | XPutImage (FRAME_X_DISPLAY (f), pixmap, gc, ximg, 0, 0, 0, 0, width, height); | |
5482 | XFreeGC (FRAME_X_DISPLAY (f), gc); | |
5483 | } | |
5484 | ||
5485 | ||
5486 | \f | |
5487 | /*********************************************************************** | |
5be6c3b0 | 5488 | File Handling |
333b20bb GM |
5489 | ***********************************************************************/ |
5490 | ||
5491 | static Lisp_Object x_find_image_file P_ ((Lisp_Object)); | |
5be6c3b0 GM |
5492 | static char *slurp_file P_ ((char *, int *)); |
5493 | ||
333b20bb GM |
5494 | |
5495 | /* Find image file FILE. Look in data-directory, then | |
5496 | x-bitmap-file-path. Value is the full name of the file found, or | |
5497 | nil if not found. */ | |
5498 | ||
5499 | static Lisp_Object | |
5500 | x_find_image_file (file) | |
5501 | Lisp_Object file; | |
5502 | { | |
5503 | Lisp_Object file_found, search_path; | |
5504 | struct gcpro gcpro1, gcpro2; | |
5505 | int fd; | |
5506 | ||
5507 | file_found = Qnil; | |
5508 | search_path = Fcons (Vdata_directory, Vx_bitmap_file_path); | |
5509 | GCPRO2 (file_found, search_path); | |
5510 | ||
5511 | /* Try to find FILE in data-directory, then x-bitmap-file-path. */ | |
de2413e9 | 5512 | fd = openp (search_path, file, Qnil, &file_found, Qnil); |
177c0ea7 | 5513 | |
939d6465 | 5514 | if (fd == -1) |
333b20bb GM |
5515 | file_found = Qnil; |
5516 | else | |
5517 | close (fd); | |
5518 | ||
5519 | UNGCPRO; | |
5520 | return file_found; | |
5521 | } | |
5522 | ||
5523 | ||
5be6c3b0 GM |
5524 | /* Read FILE into memory. Value is a pointer to a buffer allocated |
5525 | with xmalloc holding FILE's contents. Value is null if an error | |
b243755a | 5526 | occurred. *SIZE is set to the size of the file. */ |
5be6c3b0 GM |
5527 | |
5528 | static char * | |
5529 | slurp_file (file, size) | |
5530 | char *file; | |
5531 | int *size; | |
5532 | { | |
5533 | FILE *fp = NULL; | |
5534 | char *buf = NULL; | |
5535 | struct stat st; | |
5536 | ||
5537 | if (stat (file, &st) == 0 | |
5538 | && (fp = fopen (file, "r")) != NULL | |
5539 | && (buf = (char *) xmalloc (st.st_size), | |
5540 | fread (buf, 1, st.st_size, fp) == st.st_size)) | |
5541 | { | |
5542 | *size = st.st_size; | |
5543 | fclose (fp); | |
5544 | } | |
5545 | else | |
5546 | { | |
5547 | if (fp) | |
5548 | fclose (fp); | |
5549 | if (buf) | |
5550 | { | |
5551 | xfree (buf); | |
5552 | buf = NULL; | |
5553 | } | |
5554 | } | |
177c0ea7 | 5555 | |
5be6c3b0 GM |
5556 | return buf; |
5557 | } | |
5558 | ||
5559 | ||
333b20bb GM |
5560 | \f |
5561 | /*********************************************************************** | |
5562 | XBM images | |
5563 | ***********************************************************************/ | |
5564 | ||
5be6c3b0 | 5565 | static int xbm_scan P_ ((char **, char *, char *, int *)); |
333b20bb | 5566 | static int xbm_load P_ ((struct frame *f, struct image *img)); |
5be6c3b0 GM |
5567 | static int xbm_load_image P_ ((struct frame *f, struct image *img, |
5568 | char *, char *)); | |
333b20bb | 5569 | static int xbm_image_p P_ ((Lisp_Object object)); |
5be6c3b0 GM |
5570 | static int xbm_read_bitmap_data P_ ((char *, char *, int *, int *, |
5571 | unsigned char **)); | |
5572 | static int xbm_file_p P_ ((Lisp_Object)); | |
333b20bb GM |
5573 | |
5574 | ||
5575 | /* Indices of image specification fields in xbm_format, below. */ | |
5576 | ||
5577 | enum xbm_keyword_index | |
5578 | { | |
5579 | XBM_TYPE, | |
5580 | XBM_FILE, | |
5581 | XBM_WIDTH, | |
5582 | XBM_HEIGHT, | |
5583 | XBM_DATA, | |
5584 | XBM_FOREGROUND, | |
5585 | XBM_BACKGROUND, | |
5586 | XBM_ASCENT, | |
5587 | XBM_MARGIN, | |
5588 | XBM_RELIEF, | |
5589 | XBM_ALGORITHM, | |
5590 | XBM_HEURISTIC_MASK, | |
4a8e312c | 5591 | XBM_MASK, |
333b20bb GM |
5592 | XBM_LAST |
5593 | }; | |
5594 | ||
5595 | /* Vector of image_keyword structures describing the format | |
5596 | of valid XBM image specifications. */ | |
5597 | ||
5598 | static struct image_keyword xbm_format[XBM_LAST] = | |
5599 | { | |
5600 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
5601 | {":file", IMAGE_STRING_VALUE, 0}, | |
5602 | {":width", IMAGE_POSITIVE_INTEGER_VALUE, 0}, | |
5603 | {":height", IMAGE_POSITIVE_INTEGER_VALUE, 0}, | |
5604 | {":data", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, | |
6f1be3b9 GM |
5605 | {":foreground", IMAGE_STRING_OR_NIL_VALUE, 0}, |
5606 | {":background", IMAGE_STRING_OR_NIL_VALUE, 0}, | |
7c7ff7f5 | 5607 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
3ed61e75 | 5608 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
333b20bb | 5609 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
d2dc8167 | 5610 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
4a8e312c GM |
5611 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
5612 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0} | |
333b20bb GM |
5613 | }; |
5614 | ||
5615 | /* Structure describing the image type XBM. */ | |
5616 | ||
5617 | static struct image_type xbm_type = | |
5618 | { | |
5619 | &Qxbm, | |
5620 | xbm_image_p, | |
5621 | xbm_load, | |
5622 | x_clear_image, | |
5623 | NULL | |
5624 | }; | |
5625 | ||
5626 | /* Tokens returned from xbm_scan. */ | |
5627 | ||
5628 | enum xbm_token | |
5629 | { | |
5630 | XBM_TK_IDENT = 256, | |
5631 | XBM_TK_NUMBER | |
5632 | }; | |
5633 | ||
177c0ea7 | 5634 | |
333b20bb GM |
5635 | /* Return non-zero if OBJECT is a valid XBM-type image specification. |
5636 | A valid specification is a list starting with the symbol `image' | |
5637 | The rest of the list is a property list which must contain an | |
5638 | entry `:type xbm.. | |
5639 | ||
5640 | If the specification specifies a file to load, it must contain | |
5641 | an entry `:file FILENAME' where FILENAME is a string. | |
5642 | ||
5643 | If the specification is for a bitmap loaded from memory it must | |
5644 | contain `:width WIDTH', `:height HEIGHT', and `:data DATA', where | |
5645 | WIDTH and HEIGHT are integers > 0. DATA may be: | |
5646 | ||
5647 | 1. a string large enough to hold the bitmap data, i.e. it must | |
5648 | have a size >= (WIDTH + 7) / 8 * HEIGHT | |
5649 | ||
5650 | 2. a bool-vector of size >= WIDTH * HEIGHT | |
5651 | ||
5652 | 3. a vector of strings or bool-vectors, one for each line of the | |
5653 | bitmap. | |
5654 | ||
5be6c3b0 GM |
5655 | 4. A string containing an in-memory XBM file. WIDTH and HEIGHT |
5656 | may not be specified in this case because they are defined in the | |
5657 | XBM file. | |
5658 | ||
333b20bb GM |
5659 | Both the file and data forms may contain the additional entries |
5660 | `:background COLOR' and `:foreground COLOR'. If not present, | |
5661 | foreground and background of the frame on which the image is | |
e3130015 | 5662 | displayed is used. */ |
333b20bb GM |
5663 | |
5664 | static int | |
5665 | xbm_image_p (object) | |
5666 | Lisp_Object object; | |
5667 | { | |
5668 | struct image_keyword kw[XBM_LAST]; | |
177c0ea7 | 5669 | |
333b20bb | 5670 | bcopy (xbm_format, kw, sizeof kw); |
bfd2209f | 5671 | if (!parse_image_spec (object, kw, XBM_LAST, Qxbm)) |
333b20bb GM |
5672 | return 0; |
5673 | ||
5674 | xassert (EQ (kw[XBM_TYPE].value, Qxbm)); | |
5675 | ||
5676 | if (kw[XBM_FILE].count) | |
5677 | { | |
5678 | if (kw[XBM_WIDTH].count || kw[XBM_HEIGHT].count || kw[XBM_DATA].count) | |
5679 | return 0; | |
5680 | } | |
5be6c3b0 GM |
5681 | else if (kw[XBM_DATA].count && xbm_file_p (kw[XBM_DATA].value)) |
5682 | { | |
5683 | /* In-memory XBM file. */ | |
5684 | if (kw[XBM_WIDTH].count || kw[XBM_HEIGHT].count || kw[XBM_FILE].count) | |
5685 | return 0; | |
5686 | } | |
333b20bb GM |
5687 | else |
5688 | { | |
5689 | Lisp_Object data; | |
5690 | int width, height; | |
5691 | ||
5692 | /* Entries for `:width', `:height' and `:data' must be present. */ | |
5693 | if (!kw[XBM_WIDTH].count | |
5694 | || !kw[XBM_HEIGHT].count | |
5695 | || !kw[XBM_DATA].count) | |
5696 | return 0; | |
5697 | ||
5698 | data = kw[XBM_DATA].value; | |
5699 | width = XFASTINT (kw[XBM_WIDTH].value); | |
5700 | height = XFASTINT (kw[XBM_HEIGHT].value); | |
177c0ea7 | 5701 | |
333b20bb GM |
5702 | /* Check type of data, and width and height against contents of |
5703 | data. */ | |
5704 | if (VECTORP (data)) | |
5705 | { | |
5706 | int i; | |
177c0ea7 | 5707 | |
333b20bb GM |
5708 | /* Number of elements of the vector must be >= height. */ |
5709 | if (XVECTOR (data)->size < height) | |
5710 | return 0; | |
5711 | ||
5712 | /* Each string or bool-vector in data must be large enough | |
5713 | for one line of the image. */ | |
5714 | for (i = 0; i < height; ++i) | |
5715 | { | |
5716 | Lisp_Object elt = XVECTOR (data)->contents[i]; | |
5717 | ||
5718 | if (STRINGP (elt)) | |
5719 | { | |
d5db4077 | 5720 | if (SCHARS (elt) |
333b20bb GM |
5721 | < (width + BITS_PER_CHAR - 1) / BITS_PER_CHAR) |
5722 | return 0; | |
5723 | } | |
5724 | else if (BOOL_VECTOR_P (elt)) | |
5725 | { | |
5726 | if (XBOOL_VECTOR (elt)->size < width) | |
5727 | return 0; | |
5728 | } | |
5729 | else | |
5730 | return 0; | |
5731 | } | |
5732 | } | |
5733 | else if (STRINGP (data)) | |
5734 | { | |
d5db4077 | 5735 | if (SCHARS (data) |
333b20bb GM |
5736 | < (width + BITS_PER_CHAR - 1) / BITS_PER_CHAR * height) |
5737 | return 0; | |
5738 | } | |
5739 | else if (BOOL_VECTOR_P (data)) | |
5740 | { | |
5741 | if (XBOOL_VECTOR (data)->size < width * height) | |
5742 | return 0; | |
5743 | } | |
5744 | else | |
5745 | return 0; | |
5746 | } | |
5747 | ||
333b20bb GM |
5748 | return 1; |
5749 | } | |
5750 | ||
5751 | ||
5752 | /* Scan a bitmap file. FP is the stream to read from. Value is | |
5753 | either an enumerator from enum xbm_token, or a character for a | |
5754 | single-character token, or 0 at end of file. If scanning an | |
5755 | identifier, store the lexeme of the identifier in SVAL. If | |
5756 | scanning a number, store its value in *IVAL. */ | |
5757 | ||
5758 | static int | |
5be6c3b0 GM |
5759 | xbm_scan (s, end, sval, ival) |
5760 | char **s, *end; | |
333b20bb GM |
5761 | char *sval; |
5762 | int *ival; | |
5763 | { | |
5764 | int c; | |
0a695da7 GM |
5765 | |
5766 | loop: | |
177c0ea7 | 5767 | |
333b20bb | 5768 | /* Skip white space. */ |
5be6c3b0 | 5769 | while (*s < end && (c = *(*s)++, isspace (c))) |
333b20bb GM |
5770 | ; |
5771 | ||
5be6c3b0 | 5772 | if (*s >= end) |
333b20bb GM |
5773 | c = 0; |
5774 | else if (isdigit (c)) | |
5775 | { | |
5776 | int value = 0, digit; | |
177c0ea7 | 5777 | |
5be6c3b0 | 5778 | if (c == '0' && *s < end) |
333b20bb | 5779 | { |
5be6c3b0 | 5780 | c = *(*s)++; |
333b20bb GM |
5781 | if (c == 'x' || c == 'X') |
5782 | { | |
5be6c3b0 | 5783 | while (*s < end) |
333b20bb | 5784 | { |
5be6c3b0 | 5785 | c = *(*s)++; |
333b20bb GM |
5786 | if (isdigit (c)) |
5787 | digit = c - '0'; | |
5788 | else if (c >= 'a' && c <= 'f') | |
5789 | digit = c - 'a' + 10; | |
5790 | else if (c >= 'A' && c <= 'F') | |
5791 | digit = c - 'A' + 10; | |
5792 | else | |
5793 | break; | |
5794 | value = 16 * value + digit; | |
5795 | } | |
5796 | } | |
5797 | else if (isdigit (c)) | |
5798 | { | |
5799 | value = c - '0'; | |
5be6c3b0 GM |
5800 | while (*s < end |
5801 | && (c = *(*s)++, isdigit (c))) | |
333b20bb GM |
5802 | value = 8 * value + c - '0'; |
5803 | } | |
5804 | } | |
5805 | else | |
5806 | { | |
5807 | value = c - '0'; | |
5be6c3b0 GM |
5808 | while (*s < end |
5809 | && (c = *(*s)++, isdigit (c))) | |
333b20bb GM |
5810 | value = 10 * value + c - '0'; |
5811 | } | |
5812 | ||
5be6c3b0 GM |
5813 | if (*s < end) |
5814 | *s = *s - 1; | |
333b20bb GM |
5815 | *ival = value; |
5816 | c = XBM_TK_NUMBER; | |
5817 | } | |
5818 | else if (isalpha (c) || c == '_') | |
5819 | { | |
5820 | *sval++ = c; | |
5be6c3b0 GM |
5821 | while (*s < end |
5822 | && (c = *(*s)++, (isalnum (c) || c == '_'))) | |
333b20bb GM |
5823 | *sval++ = c; |
5824 | *sval = 0; | |
5be6c3b0 GM |
5825 | if (*s < end) |
5826 | *s = *s - 1; | |
333b20bb GM |
5827 | c = XBM_TK_IDENT; |
5828 | } | |
0a695da7 GM |
5829 | else if (c == '/' && **s == '*') |
5830 | { | |
5831 | /* C-style comment. */ | |
5832 | ++*s; | |
5833 | while (**s && (**s != '*' || *(*s + 1) != '/')) | |
5834 | ++*s; | |
5835 | if (**s) | |
5836 | { | |
5837 | *s += 2; | |
5838 | goto loop; | |
5839 | } | |
5840 | } | |
333b20bb GM |
5841 | |
5842 | return c; | |
5843 | } | |
5844 | ||
5845 | ||
5846 | /* Replacement for XReadBitmapFileData which isn't available under old | |
5be6c3b0 GM |
5847 | X versions. CONTENTS is a pointer to a buffer to parse; END is the |
5848 | buffer's end. Set *WIDTH and *HEIGHT to the width and height of | |
5849 | the image. Return in *DATA the bitmap data allocated with xmalloc. | |
5850 | Value is non-zero if successful. DATA null means just test if | |
b243755a | 5851 | CONTENTS looks like an in-memory XBM file. */ |
333b20bb GM |
5852 | |
5853 | static int | |
5be6c3b0 GM |
5854 | xbm_read_bitmap_data (contents, end, width, height, data) |
5855 | char *contents, *end; | |
333b20bb GM |
5856 | int *width, *height; |
5857 | unsigned char **data; | |
5858 | { | |
5be6c3b0 | 5859 | char *s = contents; |
333b20bb GM |
5860 | char buffer[BUFSIZ]; |
5861 | int padding_p = 0; | |
5862 | int v10 = 0; | |
5863 | int bytes_per_line, i, nbytes; | |
5864 | unsigned char *p; | |
5865 | int value; | |
5866 | int LA1; | |
5867 | ||
5868 | #define match() \ | |
5be6c3b0 | 5869 | LA1 = xbm_scan (&s, end, buffer, &value) |
333b20bb GM |
5870 | |
5871 | #define expect(TOKEN) \ | |
5872 | if (LA1 != (TOKEN)) \ | |
5873 | goto failure; \ | |
5874 | else \ | |
177c0ea7 | 5875 | match () |
333b20bb GM |
5876 | |
5877 | #define expect_ident(IDENT) \ | |
5878 | if (LA1 == XBM_TK_IDENT && strcmp (buffer, (IDENT)) == 0) \ | |
5879 | match (); \ | |
5880 | else \ | |
5881 | goto failure | |
5882 | ||
333b20bb | 5883 | *width = *height = -1; |
5be6c3b0 GM |
5884 | if (data) |
5885 | *data = NULL; | |
5886 | LA1 = xbm_scan (&s, end, buffer, &value); | |
333b20bb GM |
5887 | |
5888 | /* Parse defines for width, height and hot-spots. */ | |
5889 | while (LA1 == '#') | |
5890 | { | |
333b20bb GM |
5891 | match (); |
5892 | expect_ident ("define"); | |
5893 | expect (XBM_TK_IDENT); | |
5894 | ||
5895 | if (LA1 == XBM_TK_NUMBER); | |
5896 | { | |
5897 | char *p = strrchr (buffer, '_'); | |
5898 | p = p ? p + 1 : buffer; | |
5899 | if (strcmp (p, "width") == 0) | |
5900 | *width = value; | |
5901 | else if (strcmp (p, "height") == 0) | |
5902 | *height = value; | |
5903 | } | |
5904 | expect (XBM_TK_NUMBER); | |
5905 | } | |
5906 | ||
5907 | if (*width < 0 || *height < 0) | |
5908 | goto failure; | |
5be6c3b0 GM |
5909 | else if (data == NULL) |
5910 | goto success; | |
333b20bb GM |
5911 | |
5912 | /* Parse bits. Must start with `static'. */ | |
5913 | expect_ident ("static"); | |
5914 | if (LA1 == XBM_TK_IDENT) | |
5915 | { | |
5916 | if (strcmp (buffer, "unsigned") == 0) | |
5917 | { | |
177c0ea7 | 5918 | match (); |
333b20bb GM |
5919 | expect_ident ("char"); |
5920 | } | |
5921 | else if (strcmp (buffer, "short") == 0) | |
5922 | { | |
5923 | match (); | |
5924 | v10 = 1; | |
5925 | if (*width % 16 && *width % 16 < 9) | |
5926 | padding_p = 1; | |
5927 | } | |
5928 | else if (strcmp (buffer, "char") == 0) | |
5929 | match (); | |
5930 | else | |
5931 | goto failure; | |
5932 | } | |
177c0ea7 | 5933 | else |
333b20bb GM |
5934 | goto failure; |
5935 | ||
5936 | expect (XBM_TK_IDENT); | |
5937 | expect ('['); | |
5938 | expect (']'); | |
5939 | expect ('='); | |
5940 | expect ('{'); | |
5941 | ||
5942 | bytes_per_line = (*width + 7) / 8 + padding_p; | |
5943 | nbytes = bytes_per_line * *height; | |
5944 | p = *data = (char *) xmalloc (nbytes); | |
5945 | ||
5946 | if (v10) | |
5947 | { | |
333b20bb GM |
5948 | for (i = 0; i < nbytes; i += 2) |
5949 | { | |
5950 | int val = value; | |
5951 | expect (XBM_TK_NUMBER); | |
5952 | ||
5953 | *p++ = val; | |
5954 | if (!padding_p || ((i + 2) % bytes_per_line)) | |
5955 | *p++ = value >> 8; | |
177c0ea7 | 5956 | |
333b20bb GM |
5957 | if (LA1 == ',' || LA1 == '}') |
5958 | match (); | |
5959 | else | |
5960 | goto failure; | |
5961 | } | |
5962 | } | |
5963 | else | |
5964 | { | |
5965 | for (i = 0; i < nbytes; ++i) | |
5966 | { | |
5967 | int val = value; | |
5968 | expect (XBM_TK_NUMBER); | |
177c0ea7 | 5969 | |
333b20bb | 5970 | *p++ = val; |
177c0ea7 | 5971 | |
333b20bb GM |
5972 | if (LA1 == ',' || LA1 == '}') |
5973 | match (); | |
5974 | else | |
5975 | goto failure; | |
5976 | } | |
5977 | } | |
5978 | ||
5be6c3b0 | 5979 | success: |
333b20bb GM |
5980 | return 1; |
5981 | ||
5982 | failure: | |
177c0ea7 | 5983 | |
5be6c3b0 | 5984 | if (data && *data) |
333b20bb GM |
5985 | { |
5986 | xfree (*data); | |
5987 | *data = NULL; | |
5988 | } | |
5989 | return 0; | |
5990 | ||
5991 | #undef match | |
5992 | #undef expect | |
5993 | #undef expect_ident | |
5994 | } | |
5995 | ||
5996 | ||
5be6c3b0 GM |
5997 | /* Load XBM image IMG which will be displayed on frame F from buffer |
5998 | CONTENTS. END is the end of the buffer. Value is non-zero if | |
5999 | successful. */ | |
333b20bb GM |
6000 | |
6001 | static int | |
5be6c3b0 | 6002 | xbm_load_image (f, img, contents, end) |
333b20bb GM |
6003 | struct frame *f; |
6004 | struct image *img; | |
5be6c3b0 | 6005 | char *contents, *end; |
333b20bb GM |
6006 | { |
6007 | int rc; | |
6008 | unsigned char *data; | |
6009 | int success_p = 0; | |
177c0ea7 | 6010 | |
5be6c3b0 | 6011 | rc = xbm_read_bitmap_data (contents, end, &img->width, &img->height, &data); |
333b20bb GM |
6012 | if (rc) |
6013 | { | |
6014 | int depth = DefaultDepthOfScreen (FRAME_X_SCREEN (f)); | |
6015 | unsigned long foreground = FRAME_FOREGROUND_PIXEL (f); | |
6016 | unsigned long background = FRAME_BACKGROUND_PIXEL (f); | |
6017 | Lisp_Object value; | |
177c0ea7 | 6018 | |
333b20bb GM |
6019 | xassert (img->width > 0 && img->height > 0); |
6020 | ||
6021 | /* Get foreground and background colors, maybe allocate colors. */ | |
6022 | value = image_spec_value (img->spec, QCforeground, NULL); | |
6023 | if (!NILP (value)) | |
6024 | foreground = x_alloc_image_color (f, img, value, foreground); | |
333b20bb GM |
6025 | value = image_spec_value (img->spec, QCbackground, NULL); |
6026 | if (!NILP (value)) | |
f20a3b7a MB |
6027 | { |
6028 | background = x_alloc_image_color (f, img, value, background); | |
6029 | img->background = background; | |
6030 | img->background_valid = 1; | |
6031 | } | |
333b20bb | 6032 | |
333b20bb GM |
6033 | img->pixmap |
6034 | = XCreatePixmapFromBitmapData (FRAME_X_DISPLAY (f), | |
6035 | FRAME_X_WINDOW (f), | |
6036 | data, | |
6037 | img->width, img->height, | |
6038 | foreground, background, | |
6039 | depth); | |
6040 | xfree (data); | |
6041 | ||
dd00328a | 6042 | if (img->pixmap == None) |
333b20bb GM |
6043 | { |
6044 | x_clear_image (f, img); | |
5be6c3b0 | 6045 | image_error ("Unable to create X pixmap for `%s'", img->spec, Qnil); |
333b20bb GM |
6046 | } |
6047 | else | |
6048 | success_p = 1; | |
333b20bb GM |
6049 | } |
6050 | else | |
45158a91 | 6051 | image_error ("Error loading XBM image `%s'", img->spec, Qnil); |
333b20bb | 6052 | |
333b20bb GM |
6053 | return success_p; |
6054 | } | |
6055 | ||
6056 | ||
5be6c3b0 GM |
6057 | /* Value is non-zero if DATA looks like an in-memory XBM file. */ |
6058 | ||
6059 | static int | |
6060 | xbm_file_p (data) | |
6061 | Lisp_Object data; | |
6062 | { | |
6063 | int w, h; | |
6064 | return (STRINGP (data) | |
d5db4077 KR |
6065 | && xbm_read_bitmap_data (SDATA (data), |
6066 | (SDATA (data) | |
6067 | + SBYTES (data)), | |
5be6c3b0 GM |
6068 | &w, &h, NULL)); |
6069 | } | |
6070 | ||
177c0ea7 | 6071 | |
333b20bb GM |
6072 | /* Fill image IMG which is used on frame F with pixmap data. Value is |
6073 | non-zero if successful. */ | |
6074 | ||
6075 | static int | |
6076 | xbm_load (f, img) | |
6077 | struct frame *f; | |
6078 | struct image *img; | |
6079 | { | |
6080 | int success_p = 0; | |
6081 | Lisp_Object file_name; | |
6082 | ||
6083 | xassert (xbm_image_p (img->spec)); | |
6084 | ||
6085 | /* If IMG->spec specifies a file name, create a non-file spec from it. */ | |
6086 | file_name = image_spec_value (img->spec, QCfile, NULL); | |
6087 | if (STRINGP (file_name)) | |
5be6c3b0 GM |
6088 | { |
6089 | Lisp_Object file; | |
6090 | char *contents; | |
6091 | int size; | |
6092 | struct gcpro gcpro1; | |
177c0ea7 | 6093 | |
5be6c3b0 GM |
6094 | file = x_find_image_file (file_name); |
6095 | GCPRO1 (file); | |
6096 | if (!STRINGP (file)) | |
6097 | { | |
6098 | image_error ("Cannot find image file `%s'", file_name, Qnil); | |
6099 | UNGCPRO; | |
6100 | return 0; | |
6101 | } | |
6102 | ||
d5db4077 | 6103 | contents = slurp_file (SDATA (file), &size); |
5be6c3b0 GM |
6104 | if (contents == NULL) |
6105 | { | |
6106 | image_error ("Error loading XBM image `%s'", img->spec, Qnil); | |
6107 | UNGCPRO; | |
6108 | return 0; | |
6109 | } | |
6110 | ||
6111 | success_p = xbm_load_image (f, img, contents, contents + size); | |
6112 | UNGCPRO; | |
6113 | } | |
333b20bb GM |
6114 | else |
6115 | { | |
6116 | struct image_keyword fmt[XBM_LAST]; | |
6117 | Lisp_Object data; | |
6118 | int depth; | |
6119 | unsigned long foreground = FRAME_FOREGROUND_PIXEL (f); | |
6120 | unsigned long background = FRAME_BACKGROUND_PIXEL (f); | |
6121 | char *bits; | |
9b207e8e | 6122 | int parsed_p; |
5be6c3b0 GM |
6123 | int in_memory_file_p = 0; |
6124 | ||
6125 | /* See if data looks like an in-memory XBM file. */ | |
6126 | data = image_spec_value (img->spec, QCdata, NULL); | |
6127 | in_memory_file_p = xbm_file_p (data); | |
333b20bb | 6128 | |
5be6c3b0 | 6129 | /* Parse the image specification. */ |
333b20bb | 6130 | bcopy (xbm_format, fmt, sizeof fmt); |
bfd2209f | 6131 | parsed_p = parse_image_spec (img->spec, fmt, XBM_LAST, Qxbm); |
333b20bb GM |
6132 | xassert (parsed_p); |
6133 | ||
6134 | /* Get specified width, and height. */ | |
5be6c3b0 GM |
6135 | if (!in_memory_file_p) |
6136 | { | |
6137 | img->width = XFASTINT (fmt[XBM_WIDTH].value); | |
6138 | img->height = XFASTINT (fmt[XBM_HEIGHT].value); | |
6139 | xassert (img->width > 0 && img->height > 0); | |
6140 | } | |
333b20bb | 6141 | |
333b20bb | 6142 | /* Get foreground and background colors, maybe allocate colors. */ |
6f1be3b9 GM |
6143 | if (fmt[XBM_FOREGROUND].count |
6144 | && STRINGP (fmt[XBM_FOREGROUND].value)) | |
333b20bb GM |
6145 | foreground = x_alloc_image_color (f, img, fmt[XBM_FOREGROUND].value, |
6146 | foreground); | |
6f1be3b9 GM |
6147 | if (fmt[XBM_BACKGROUND].count |
6148 | && STRINGP (fmt[XBM_BACKGROUND].value)) | |
333b20bb GM |
6149 | background = x_alloc_image_color (f, img, fmt[XBM_BACKGROUND].value, |
6150 | background); | |
6151 | ||
5be6c3b0 | 6152 | if (in_memory_file_p) |
d5db4077 KR |
6153 | success_p = xbm_load_image (f, img, SDATA (data), |
6154 | (SDATA (data) | |
6155 | + SBYTES (data))); | |
5be6c3b0 | 6156 | else |
333b20bb | 6157 | { |
5be6c3b0 GM |
6158 | if (VECTORP (data)) |
6159 | { | |
6160 | int i; | |
6161 | char *p; | |
6162 | int nbytes = (img->width + BITS_PER_CHAR - 1) / BITS_PER_CHAR; | |
177c0ea7 | 6163 | |
5be6c3b0 GM |
6164 | p = bits = (char *) alloca (nbytes * img->height); |
6165 | for (i = 0; i < img->height; ++i, p += nbytes) | |
6166 | { | |
6167 | Lisp_Object line = XVECTOR (data)->contents[i]; | |
6168 | if (STRINGP (line)) | |
d5db4077 | 6169 | bcopy (SDATA (line), p, nbytes); |
5be6c3b0 GM |
6170 | else |
6171 | bcopy (XBOOL_VECTOR (line)->data, p, nbytes); | |
6172 | } | |
6173 | } | |
6174 | else if (STRINGP (data)) | |
d5db4077 | 6175 | bits = SDATA (data); |
5be6c3b0 GM |
6176 | else |
6177 | bits = XBOOL_VECTOR (data)->data; | |
6178 | ||
6179 | /* Create the pixmap. */ | |
6180 | depth = DefaultDepthOfScreen (FRAME_X_SCREEN (f)); | |
6181 | img->pixmap | |
6182 | = XCreatePixmapFromBitmapData (FRAME_X_DISPLAY (f), | |
6183 | FRAME_X_WINDOW (f), | |
6184 | bits, | |
6185 | img->width, img->height, | |
6186 | foreground, background, | |
6187 | depth); | |
6188 | if (img->pixmap) | |
6189 | success_p = 1; | |
6190 | else | |
333b20bb | 6191 | { |
5be6c3b0 GM |
6192 | image_error ("Unable to create pixmap for XBM image `%s'", |
6193 | img->spec, Qnil); | |
6194 | x_clear_image (f, img); | |
333b20bb GM |
6195 | } |
6196 | } | |
333b20bb GM |
6197 | } |
6198 | ||
6199 | return success_p; | |
6200 | } | |
177c0ea7 | 6201 | |
333b20bb GM |
6202 | |
6203 | \f | |
6204 | /*********************************************************************** | |
6205 | XPM images | |
6206 | ***********************************************************************/ | |
6207 | ||
177c0ea7 | 6208 | #if HAVE_XPM |
333b20bb GM |
6209 | |
6210 | static int xpm_image_p P_ ((Lisp_Object object)); | |
6211 | static int xpm_load P_ ((struct frame *f, struct image *img)); | |
6212 | static int xpm_valid_color_symbols_p P_ ((Lisp_Object)); | |
6213 | ||
6214 | #include "X11/xpm.h" | |
6215 | ||
6216 | /* The symbol `xpm' identifying XPM-format images. */ | |
6217 | ||
6218 | Lisp_Object Qxpm; | |
6219 | ||
6220 | /* Indices of image specification fields in xpm_format, below. */ | |
6221 | ||
6222 | enum xpm_keyword_index | |
6223 | { | |
6224 | XPM_TYPE, | |
6225 | XPM_FILE, | |
6226 | XPM_DATA, | |
6227 | XPM_ASCENT, | |
6228 | XPM_MARGIN, | |
6229 | XPM_RELIEF, | |
6230 | XPM_ALGORITHM, | |
6231 | XPM_HEURISTIC_MASK, | |
4a8e312c | 6232 | XPM_MASK, |
333b20bb | 6233 | XPM_COLOR_SYMBOLS, |
f20a3b7a | 6234 | XPM_BACKGROUND, |
333b20bb GM |
6235 | XPM_LAST |
6236 | }; | |
6237 | ||
6238 | /* Vector of image_keyword structures describing the format | |
6239 | of valid XPM image specifications. */ | |
6240 | ||
6241 | static struct image_keyword xpm_format[XPM_LAST] = | |
6242 | { | |
6243 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
6244 | {":file", IMAGE_STRING_VALUE, 0}, | |
6245 | {":data", IMAGE_STRING_VALUE, 0}, | |
7c7ff7f5 | 6246 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
3ed61e75 | 6247 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
333b20bb | 6248 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
d2dc8167 | 6249 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
333b20bb | 6250 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
4a8e312c | 6251 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
f20a3b7a MB |
6252 | {":color-symbols", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
6253 | {":background", IMAGE_STRING_OR_NIL_VALUE, 0} | |
333b20bb GM |
6254 | }; |
6255 | ||
6256 | /* Structure describing the image type XBM. */ | |
6257 | ||
6258 | static struct image_type xpm_type = | |
6259 | { | |
6260 | &Qxpm, | |
6261 | xpm_image_p, | |
6262 | xpm_load, | |
6263 | x_clear_image, | |
6264 | NULL | |
6265 | }; | |
6266 | ||
6267 | ||
b243755a GM |
6268 | /* Define ALLOC_XPM_COLORS if we can use Emacs' own color allocation |
6269 | functions for allocating image colors. Our own functions handle | |
6270 | color allocation failures more gracefully than the ones on the XPM | |
6271 | lib. */ | |
6272 | ||
6273 | #if defined XpmAllocColor && defined XpmFreeColors && defined XpmColorClosure | |
6274 | #define ALLOC_XPM_COLORS | |
6275 | #endif | |
6276 | ||
6277 | #ifdef ALLOC_XPM_COLORS | |
6278 | ||
f72c62ad | 6279 | static void xpm_init_color_cache P_ ((struct frame *, XpmAttributes *)); |
b243755a GM |
6280 | static void xpm_free_color_cache P_ ((void)); |
6281 | static int xpm_lookup_color P_ ((struct frame *, char *, XColor *)); | |
f72c62ad GM |
6282 | static int xpm_color_bucket P_ ((char *)); |
6283 | static struct xpm_cached_color *xpm_cache_color P_ ((struct frame *, char *, | |
6284 | XColor *, int)); | |
b243755a GM |
6285 | |
6286 | /* An entry in a hash table used to cache color definitions of named | |
6287 | colors. This cache is necessary to speed up XPM image loading in | |
6288 | case we do color allocations ourselves. Without it, we would need | |
6289 | a call to XParseColor per pixel in the image. */ | |
6290 | ||
6291 | struct xpm_cached_color | |
6292 | { | |
6293 | /* Next in collision chain. */ | |
6294 | struct xpm_cached_color *next; | |
6295 | ||
6296 | /* Color definition (RGB and pixel color). */ | |
6297 | XColor color; | |
6298 | ||
6299 | /* Color name. */ | |
6300 | char name[1]; | |
6301 | }; | |
6302 | ||
6303 | /* The hash table used for the color cache, and its bucket vector | |
6304 | size. */ | |
6305 | ||
6306 | #define XPM_COLOR_CACHE_BUCKETS 1001 | |
6307 | struct xpm_cached_color **xpm_color_cache; | |
6308 | ||
b243755a GM |
6309 | /* Initialize the color cache. */ |
6310 | ||
6311 | static void | |
f72c62ad GM |
6312 | xpm_init_color_cache (f, attrs) |
6313 | struct frame *f; | |
6314 | XpmAttributes *attrs; | |
b243755a GM |
6315 | { |
6316 | size_t nbytes = XPM_COLOR_CACHE_BUCKETS * sizeof *xpm_color_cache; | |
6317 | xpm_color_cache = (struct xpm_cached_color **) xmalloc (nbytes); | |
6318 | memset (xpm_color_cache, 0, nbytes); | |
6319 | init_color_table (); | |
f72c62ad GM |
6320 | |
6321 | if (attrs->valuemask & XpmColorSymbols) | |
6322 | { | |
6323 | int i; | |
6324 | XColor color; | |
177c0ea7 | 6325 | |
f72c62ad GM |
6326 | for (i = 0; i < attrs->numsymbols; ++i) |
6327 | if (XParseColor (FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), | |
6328 | attrs->colorsymbols[i].value, &color)) | |
6329 | { | |
6330 | color.pixel = lookup_rgb_color (f, color.red, color.green, | |
6331 | color.blue); | |
6332 | xpm_cache_color (f, attrs->colorsymbols[i].name, &color, -1); | |
6333 | } | |
6334 | } | |
b243755a GM |
6335 | } |
6336 | ||
6337 | ||
6338 | /* Free the color cache. */ | |
6339 | ||
6340 | static void | |
6341 | xpm_free_color_cache () | |
6342 | { | |
6343 | struct xpm_cached_color *p, *next; | |
6344 | int i; | |
6345 | ||
6346 | for (i = 0; i < XPM_COLOR_CACHE_BUCKETS; ++i) | |
6347 | for (p = xpm_color_cache[i]; p; p = next) | |
6348 | { | |
6349 | next = p->next; | |
6350 | xfree (p); | |
6351 | } | |
6352 | ||
6353 | xfree (xpm_color_cache); | |
6354 | xpm_color_cache = NULL; | |
6355 | free_color_table (); | |
6356 | } | |
6357 | ||
6358 | ||
f72c62ad GM |
6359 | /* Return the bucket index for color named COLOR_NAME in the color |
6360 | cache. */ | |
6361 | ||
6362 | static int | |
6363 | xpm_color_bucket (color_name) | |
6364 | char *color_name; | |
6365 | { | |
6366 | unsigned h = 0; | |
6367 | char *s; | |
177c0ea7 | 6368 | |
f72c62ad GM |
6369 | for (s = color_name; *s; ++s) |
6370 | h = (h << 2) ^ *s; | |
6371 | return h %= XPM_COLOR_CACHE_BUCKETS; | |
6372 | } | |
6373 | ||
6374 | ||
6375 | /* On frame F, cache values COLOR for color with name COLOR_NAME. | |
6376 | BUCKET, if >= 0, is a precomputed bucket index. Value is the cache | |
6377 | entry added. */ | |
6378 | ||
6379 | static struct xpm_cached_color * | |
6380 | xpm_cache_color (f, color_name, color, bucket) | |
6381 | struct frame *f; | |
6382 | char *color_name; | |
6383 | XColor *color; | |
6384 | int bucket; | |
6385 | { | |
6386 | size_t nbytes; | |
6387 | struct xpm_cached_color *p; | |
177c0ea7 | 6388 | |
f72c62ad GM |
6389 | if (bucket < 0) |
6390 | bucket = xpm_color_bucket (color_name); | |
177c0ea7 | 6391 | |
f72c62ad GM |
6392 | nbytes = sizeof *p + strlen (color_name); |
6393 | p = (struct xpm_cached_color *) xmalloc (nbytes); | |
6394 | strcpy (p->name, color_name); | |
6395 | p->color = *color; | |
6396 | p->next = xpm_color_cache[bucket]; | |
6397 | xpm_color_cache[bucket] = p; | |
6398 | return p; | |
6399 | } | |
6400 | ||
6401 | ||
b243755a GM |
6402 | /* Look up color COLOR_NAME for frame F in the color cache. If found, |
6403 | return the cached definition in *COLOR. Otherwise, make a new | |
6404 | entry in the cache and allocate the color. Value is zero if color | |
6405 | allocation failed. */ | |
6406 | ||
6407 | static int | |
6408 | xpm_lookup_color (f, color_name, color) | |
6409 | struct frame *f; | |
6410 | char *color_name; | |
6411 | XColor *color; | |
6412 | { | |
b243755a | 6413 | struct xpm_cached_color *p; |
83676598 | 6414 | int h = xpm_color_bucket (color_name); |
b243755a GM |
6415 | |
6416 | for (p = xpm_color_cache[h]; p; p = p->next) | |
6417 | if (strcmp (p->name, color_name) == 0) | |
6418 | break; | |
6419 | ||
6420 | if (p != NULL) | |
6421 | *color = p->color; | |
6422 | else if (XParseColor (FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), | |
6423 | color_name, color)) | |
6424 | { | |
b243755a GM |
6425 | color->pixel = lookup_rgb_color (f, color->red, color->green, |
6426 | color->blue); | |
f72c62ad | 6427 | p = xpm_cache_color (f, color_name, color, h); |
b243755a | 6428 | } |
9b8a0941 DL |
6429 | /* You get `opaque' at least from ImageMagick converting pbm to xpm |
6430 | with transparency, and it's useful. */ | |
6431 | else if (strcmp ("opaque", color_name) == 0) | |
6432 | { | |
6433 | bzero (color, sizeof (XColor)); /* Is this necessary/correct? */ | |
6434 | color->pixel = FRAME_FOREGROUND_PIXEL (f); | |
6435 | p = xpm_cache_color (f, color_name, color, h); | |
6436 | } | |
177c0ea7 | 6437 | |
b243755a GM |
6438 | return p != NULL; |
6439 | } | |
6440 | ||
6441 | ||
6442 | /* Callback for allocating color COLOR_NAME. Called from the XPM lib. | |
6443 | CLOSURE is a pointer to the frame on which we allocate the | |
6444 | color. Return in *COLOR the allocated color. Value is non-zero | |
6445 | if successful. */ | |
6446 | ||
6447 | static int | |
6448 | xpm_alloc_color (dpy, cmap, color_name, color, closure) | |
6449 | Display *dpy; | |
6450 | Colormap cmap; | |
6451 | char *color_name; | |
6452 | XColor *color; | |
6453 | void *closure; | |
6454 | { | |
6455 | return xpm_lookup_color ((struct frame *) closure, color_name, color); | |
6456 | } | |
6457 | ||
6458 | ||
6459 | /* Callback for freeing NPIXELS colors contained in PIXELS. CLOSURE | |
6460 | is a pointer to the frame on which we allocate the color. Value is | |
6461 | non-zero if successful. */ | |
6462 | ||
6463 | static int | |
6464 | xpm_free_colors (dpy, cmap, pixels, npixels, closure) | |
6465 | Display *dpy; | |
6466 | Colormap cmap; | |
6467 | Pixel *pixels; | |
6468 | int npixels; | |
6469 | void *closure; | |
6470 | { | |
6471 | return 1; | |
6472 | } | |
6473 | ||
6474 | #endif /* ALLOC_XPM_COLORS */ | |
6475 | ||
6476 | ||
333b20bb GM |
6477 | /* Value is non-zero if COLOR_SYMBOLS is a valid color symbols list |
6478 | for XPM images. Such a list must consist of conses whose car and | |
6479 | cdr are strings. */ | |
6480 | ||
6481 | static int | |
6482 | xpm_valid_color_symbols_p (color_symbols) | |
6483 | Lisp_Object color_symbols; | |
6484 | { | |
6485 | while (CONSP (color_symbols)) | |
6486 | { | |
6487 | Lisp_Object sym = XCAR (color_symbols); | |
6488 | if (!CONSP (sym) | |
6489 | || !STRINGP (XCAR (sym)) | |
6490 | || !STRINGP (XCDR (sym))) | |
6491 | break; | |
6492 | color_symbols = XCDR (color_symbols); | |
6493 | } | |
6494 | ||
6495 | return NILP (color_symbols); | |
6496 | } | |
6497 | ||
6498 | ||
6499 | /* Value is non-zero if OBJECT is a valid XPM image specification. */ | |
6500 | ||
6501 | static int | |
6502 | xpm_image_p (object) | |
6503 | Lisp_Object object; | |
6504 | { | |
6505 | struct image_keyword fmt[XPM_LAST]; | |
6506 | bcopy (xpm_format, fmt, sizeof fmt); | |
bfd2209f | 6507 | return (parse_image_spec (object, fmt, XPM_LAST, Qxpm) |
333b20bb GM |
6508 | /* Either `:file' or `:data' must be present. */ |
6509 | && fmt[XPM_FILE].count + fmt[XPM_DATA].count == 1 | |
6510 | /* Either no `:color-symbols' or it's a list of conses | |
6511 | whose car and cdr are strings. */ | |
6512 | && (fmt[XPM_COLOR_SYMBOLS].count == 0 | |
7c7ff7f5 | 6513 | || xpm_valid_color_symbols_p (fmt[XPM_COLOR_SYMBOLS].value))); |
333b20bb GM |
6514 | } |
6515 | ||
6516 | ||
6517 | /* Load image IMG which will be displayed on frame F. Value is | |
6518 | non-zero if successful. */ | |
6519 | ||
6520 | static int | |
6521 | xpm_load (f, img) | |
6522 | struct frame *f; | |
6523 | struct image *img; | |
6524 | { | |
9b207e8e | 6525 | int rc; |
333b20bb GM |
6526 | XpmAttributes attrs; |
6527 | Lisp_Object specified_file, color_symbols; | |
6528 | ||
6529 | /* Configure the XPM lib. Use the visual of frame F. Allocate | |
6530 | close colors. Return colors allocated. */ | |
6531 | bzero (&attrs, sizeof attrs); | |
9b2956e2 GM |
6532 | attrs.visual = FRAME_X_VISUAL (f); |
6533 | attrs.colormap = FRAME_X_COLORMAP (f); | |
333b20bb | 6534 | attrs.valuemask |= XpmVisual; |
9b2956e2 | 6535 | attrs.valuemask |= XpmColormap; |
b243755a GM |
6536 | |
6537 | #ifdef ALLOC_XPM_COLORS | |
6538 | /* Allocate colors with our own functions which handle | |
6539 | failing color allocation more gracefully. */ | |
6540 | attrs.color_closure = f; | |
6541 | attrs.alloc_color = xpm_alloc_color; | |
6542 | attrs.free_colors = xpm_free_colors; | |
6543 | attrs.valuemask |= XpmAllocColor | XpmFreeColors | XpmColorClosure; | |
6544 | #else /* not ALLOC_XPM_COLORS */ | |
6545 | /* Let the XPM lib allocate colors. */ | |
333b20bb | 6546 | attrs.valuemask |= XpmReturnAllocPixels; |
e4c082be | 6547 | #ifdef XpmAllocCloseColors |
333b20bb GM |
6548 | attrs.alloc_close_colors = 1; |
6549 | attrs.valuemask |= XpmAllocCloseColors; | |
b243755a | 6550 | #else /* not XpmAllocCloseColors */ |
e4c082be RS |
6551 | attrs.closeness = 600; |
6552 | attrs.valuemask |= XpmCloseness; | |
b243755a GM |
6553 | #endif /* not XpmAllocCloseColors */ |
6554 | #endif /* ALLOC_XPM_COLORS */ | |
333b20bb GM |
6555 | |
6556 | /* If image specification contains symbolic color definitions, add | |
6557 | these to `attrs'. */ | |
6558 | color_symbols = image_spec_value (img->spec, QCcolor_symbols, NULL); | |
6559 | if (CONSP (color_symbols)) | |
6560 | { | |
6561 | Lisp_Object tail; | |
6562 | XpmColorSymbol *xpm_syms; | |
6563 | int i, size; | |
177c0ea7 | 6564 | |
333b20bb GM |
6565 | attrs.valuemask |= XpmColorSymbols; |
6566 | ||
6567 | /* Count number of symbols. */ | |
6568 | attrs.numsymbols = 0; | |
6569 | for (tail = color_symbols; CONSP (tail); tail = XCDR (tail)) | |
6570 | ++attrs.numsymbols; | |
6571 | ||
6572 | /* Allocate an XpmColorSymbol array. */ | |
6573 | size = attrs.numsymbols * sizeof *xpm_syms; | |
6574 | xpm_syms = (XpmColorSymbol *) alloca (size); | |
6575 | bzero (xpm_syms, size); | |
6576 | attrs.colorsymbols = xpm_syms; | |
6577 | ||
6578 | /* Fill the color symbol array. */ | |
6579 | for (tail = color_symbols, i = 0; | |
6580 | CONSP (tail); | |
6581 | ++i, tail = XCDR (tail)) | |
6582 | { | |
6583 | Lisp_Object name = XCAR (XCAR (tail)); | |
6584 | Lisp_Object color = XCDR (XCAR (tail)); | |
d5db4077 KR |
6585 | xpm_syms[i].name = (char *) alloca (SCHARS (name) + 1); |
6586 | strcpy (xpm_syms[i].name, SDATA (name)); | |
6587 | xpm_syms[i].value = (char *) alloca (SCHARS (color) + 1); | |
6588 | strcpy (xpm_syms[i].value, SDATA (color)); | |
333b20bb GM |
6589 | } |
6590 | } | |
6591 | ||
6592 | /* Create a pixmap for the image, either from a file, or from a | |
6593 | string buffer containing data in the same format as an XPM file. */ | |
b243755a | 6594 | #ifdef ALLOC_XPM_COLORS |
f72c62ad | 6595 | xpm_init_color_cache (f, &attrs); |
b243755a | 6596 | #endif |
177c0ea7 | 6597 | |
333b20bb GM |
6598 | specified_file = image_spec_value (img->spec, QCfile, NULL); |
6599 | if (STRINGP (specified_file)) | |
6600 | { | |
6601 | Lisp_Object file = x_find_image_file (specified_file); | |
6602 | if (!STRINGP (file)) | |
6603 | { | |
45158a91 | 6604 | image_error ("Cannot find image file `%s'", specified_file, Qnil); |
333b20bb GM |
6605 | return 0; |
6606 | } | |
177c0ea7 | 6607 | |
333b20bb | 6608 | rc = XpmReadFileToPixmap (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
d5db4077 | 6609 | SDATA (file), &img->pixmap, &img->mask, |
333b20bb GM |
6610 | &attrs); |
6611 | } | |
6612 | else | |
6613 | { | |
6614 | Lisp_Object buffer = image_spec_value (img->spec, QCdata, NULL); | |
6615 | rc = XpmCreatePixmapFromBuffer (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
d5db4077 | 6616 | SDATA (buffer), |
333b20bb GM |
6617 | &img->pixmap, &img->mask, |
6618 | &attrs); | |
6619 | } | |
333b20bb GM |
6620 | |
6621 | if (rc == XpmSuccess) | |
6622 | { | |
b243755a GM |
6623 | #ifdef ALLOC_XPM_COLORS |
6624 | img->colors = colors_in_color_table (&img->ncolors); | |
6625 | #else /* not ALLOC_XPM_COLORS */ | |
f47a9ec4 KR |
6626 | int i; |
6627 | ||
333b20bb GM |
6628 | img->ncolors = attrs.nalloc_pixels; |
6629 | img->colors = (unsigned long *) xmalloc (img->ncolors | |
6630 | * sizeof *img->colors); | |
6631 | for (i = 0; i < attrs.nalloc_pixels; ++i) | |
3b4ae1cc GM |
6632 | { |
6633 | img->colors[i] = attrs.alloc_pixels[i]; | |
6634 | #ifdef DEBUG_X_COLORS | |
6635 | register_color (img->colors[i]); | |
6636 | #endif | |
6637 | } | |
b243755a | 6638 | #endif /* not ALLOC_XPM_COLORS */ |
333b20bb GM |
6639 | |
6640 | img->width = attrs.width; | |
6641 | img->height = attrs.height; | |
6642 | xassert (img->width > 0 && img->height > 0); | |
6643 | ||
6644 | /* The call to XpmFreeAttributes below frees attrs.alloc_pixels. */ | |
333b20bb | 6645 | XpmFreeAttributes (&attrs); |
333b20bb GM |
6646 | } |
6647 | else | |
6648 | { | |
6649 | switch (rc) | |
6650 | { | |
6651 | case XpmOpenFailed: | |
6652 | image_error ("Error opening XPM file (%s)", img->spec, Qnil); | |
6653 | break; | |
177c0ea7 | 6654 | |
333b20bb GM |
6655 | case XpmFileInvalid: |
6656 | image_error ("Invalid XPM file (%s)", img->spec, Qnil); | |
6657 | break; | |
177c0ea7 | 6658 | |
333b20bb GM |
6659 | case XpmNoMemory: |
6660 | image_error ("Out of memory (%s)", img->spec, Qnil); | |
6661 | break; | |
177c0ea7 | 6662 | |
333b20bb GM |
6663 | case XpmColorFailed: |
6664 | image_error ("Color allocation error (%s)", img->spec, Qnil); | |
6665 | break; | |
177c0ea7 | 6666 | |
333b20bb GM |
6667 | default: |
6668 | image_error ("Unknown error (%s)", img->spec, Qnil); | |
6669 | break; | |
6670 | } | |
6671 | } | |
6672 | ||
b243755a GM |
6673 | #ifdef ALLOC_XPM_COLORS |
6674 | xpm_free_color_cache (); | |
6675 | #endif | |
333b20bb GM |
6676 | return rc == XpmSuccess; |
6677 | } | |
6678 | ||
6679 | #endif /* HAVE_XPM != 0 */ | |
6680 | ||
6681 | \f | |
6682 | /*********************************************************************** | |
6683 | Color table | |
6684 | ***********************************************************************/ | |
6685 | ||
6686 | /* An entry in the color table mapping an RGB color to a pixel color. */ | |
6687 | ||
6688 | struct ct_color | |
6689 | { | |
6690 | int r, g, b; | |
6691 | unsigned long pixel; | |
6692 | ||
6693 | /* Next in color table collision list. */ | |
6694 | struct ct_color *next; | |
6695 | }; | |
6696 | ||
6697 | /* The bucket vector size to use. Must be prime. */ | |
6698 | ||
6699 | #define CT_SIZE 101 | |
6700 | ||
6701 | /* Value is a hash of the RGB color given by R, G, and B. */ | |
6702 | ||
6703 | #define CT_HASH_RGB(R, G, B) (((R) << 16) ^ ((G) << 8) ^ (B)) | |
6704 | ||
6705 | /* The color hash table. */ | |
6706 | ||
6707 | struct ct_color **ct_table; | |
6708 | ||
6709 | /* Number of entries in the color table. */ | |
6710 | ||
6711 | int ct_colors_allocated; | |
6712 | ||
333b20bb GM |
6713 | /* Initialize the color table. */ |
6714 | ||
6715 | static void | |
6716 | init_color_table () | |
6717 | { | |
6718 | int size = CT_SIZE * sizeof (*ct_table); | |
6719 | ct_table = (struct ct_color **) xmalloc (size); | |
6720 | bzero (ct_table, size); | |
6721 | ct_colors_allocated = 0; | |
6722 | } | |
6723 | ||
6724 | ||
6725 | /* Free memory associated with the color table. */ | |
6726 | ||
6727 | static void | |
6728 | free_color_table () | |
6729 | { | |
6730 | int i; | |
6731 | struct ct_color *p, *next; | |
6732 | ||
6733 | for (i = 0; i < CT_SIZE; ++i) | |
6734 | for (p = ct_table[i]; p; p = next) | |
6735 | { | |
6736 | next = p->next; | |
6737 | xfree (p); | |
6738 | } | |
6739 | ||
6740 | xfree (ct_table); | |
6741 | ct_table = NULL; | |
6742 | } | |
6743 | ||
6744 | ||
6745 | /* Value is a pixel color for RGB color R, G, B on frame F. If an | |
6746 | entry for that color already is in the color table, return the | |
6747 | pixel color of that entry. Otherwise, allocate a new color for R, | |
6748 | G, B, and make an entry in the color table. */ | |
6749 | ||
6750 | static unsigned long | |
6751 | lookup_rgb_color (f, r, g, b) | |
6752 | struct frame *f; | |
6753 | int r, g, b; | |
6754 | { | |
6755 | unsigned hash = CT_HASH_RGB (r, g, b); | |
6756 | int i = hash % CT_SIZE; | |
6757 | struct ct_color *p; | |
9d35adc7 | 6758 | struct x_display_info *dpyinfo; |
333b20bb | 6759 | |
e019878d GM |
6760 | /* Handle TrueColor visuals specially, which improves performance by |
6761 | two orders of magnitude. Freeing colors on TrueColor visuals is | |
6762 | a nop, and pixel colors specify RGB values directly. See also | |
6763 | the Xlib spec, chapter 3.1. */ | |
9d35adc7 JD |
6764 | dpyinfo = FRAME_X_DISPLAY_INFO (f); |
6765 | if (dpyinfo->red_bits > 0) | |
e019878d | 6766 | { |
e019878d GM |
6767 | unsigned long pr, pg, pb; |
6768 | ||
6769 | /* Apply gamma-correction like normal color allocation does. */ | |
6770 | if (f->gamma) | |
6771 | { | |
6772 | XColor color; | |
6773 | color.red = r, color.green = g, color.blue = b; | |
6774 | gamma_correct (f, &color); | |
6775 | r = color.red, g = color.green, b = color.blue; | |
6776 | } | |
6777 | ||
6778 | /* Scale down RGB values to the visual's bits per RGB, and shift | |
6779 | them to the right position in the pixel color. Note that the | |
6780 | original RGB values are 16-bit values, as usual in X. */ | |
9d35adc7 JD |
6781 | pr = (r >> (16 - dpyinfo->red_bits)) << dpyinfo->red_offset; |
6782 | pg = (g >> (16 - dpyinfo->green_bits)) << dpyinfo->green_offset; | |
6783 | pb = (b >> (16 - dpyinfo->blue_bits)) << dpyinfo->blue_offset; | |
e019878d GM |
6784 | |
6785 | /* Assemble the pixel color. */ | |
6786 | return pr | pg | pb; | |
6787 | } | |
6788 | ||
333b20bb GM |
6789 | for (p = ct_table[i]; p; p = p->next) |
6790 | if (p->r == r && p->g == g && p->b == b) | |
6791 | break; | |
6792 | ||
6793 | if (p == NULL) | |
6794 | { | |
6795 | XColor color; | |
6796 | Colormap cmap; | |
6797 | int rc; | |
6798 | ||
6799 | color.red = r; | |
6800 | color.green = g; | |
6801 | color.blue = b; | |
177c0ea7 | 6802 | |
9b2956e2 | 6803 | cmap = FRAME_X_COLORMAP (f); |
d62c8769 | 6804 | rc = x_alloc_nearest_color (f, cmap, &color); |
333b20bb GM |
6805 | |
6806 | if (rc) | |
6807 | { | |
6808 | ++ct_colors_allocated; | |
177c0ea7 | 6809 | |
333b20bb GM |
6810 | p = (struct ct_color *) xmalloc (sizeof *p); |
6811 | p->r = r; | |
6812 | p->g = g; | |
6813 | p->b = b; | |
6814 | p->pixel = color.pixel; | |
6815 | p->next = ct_table[i]; | |
6816 | ct_table[i] = p; | |
6817 | } | |
6818 | else | |
6819 | return FRAME_FOREGROUND_PIXEL (f); | |
6820 | } | |
6821 | ||
6822 | return p->pixel; | |
6823 | } | |
6824 | ||
6825 | ||
6826 | /* Look up pixel color PIXEL which is used on frame F in the color | |
6827 | table. If not already present, allocate it. Value is PIXEL. */ | |
6828 | ||
6829 | static unsigned long | |
6830 | lookup_pixel_color (f, pixel) | |
6831 | struct frame *f; | |
6832 | unsigned long pixel; | |
6833 | { | |
6834 | int i = pixel % CT_SIZE; | |
6835 | struct ct_color *p; | |
6836 | ||
6837 | for (p = ct_table[i]; p; p = p->next) | |
6838 | if (p->pixel == pixel) | |
6839 | break; | |
6840 | ||
6841 | if (p == NULL) | |
6842 | { | |
6843 | XColor color; | |
6844 | Colormap cmap; | |
6845 | int rc; | |
6846 | ||
9b2956e2 | 6847 | cmap = FRAME_X_COLORMAP (f); |
333b20bb | 6848 | color.pixel = pixel; |
a31fedb7 | 6849 | x_query_color (f, &color); |
d62c8769 | 6850 | rc = x_alloc_nearest_color (f, cmap, &color); |
333b20bb GM |
6851 | |
6852 | if (rc) | |
6853 | { | |
6854 | ++ct_colors_allocated; | |
177c0ea7 | 6855 | |
333b20bb GM |
6856 | p = (struct ct_color *) xmalloc (sizeof *p); |
6857 | p->r = color.red; | |
6858 | p->g = color.green; | |
6859 | p->b = color.blue; | |
6860 | p->pixel = pixel; | |
6861 | p->next = ct_table[i]; | |
6862 | ct_table[i] = p; | |
6863 | } | |
6864 | else | |
6865 | return FRAME_FOREGROUND_PIXEL (f); | |
6866 | } | |
177c0ea7 | 6867 | |
333b20bb GM |
6868 | return p->pixel; |
6869 | } | |
6870 | ||
6871 | ||
6872 | /* Value is a vector of all pixel colors contained in the color table, | |
6873 | allocated via xmalloc. Set *N to the number of colors. */ | |
6874 | ||
6875 | static unsigned long * | |
6876 | colors_in_color_table (n) | |
6877 | int *n; | |
6878 | { | |
6879 | int i, j; | |
6880 | struct ct_color *p; | |
6881 | unsigned long *colors; | |
6882 | ||
6883 | if (ct_colors_allocated == 0) | |
6884 | { | |
6885 | *n = 0; | |
6886 | colors = NULL; | |
6887 | } | |
6888 | else | |
6889 | { | |
6890 | colors = (unsigned long *) xmalloc (ct_colors_allocated | |
6891 | * sizeof *colors); | |
6892 | *n = ct_colors_allocated; | |
177c0ea7 | 6893 | |
333b20bb GM |
6894 | for (i = j = 0; i < CT_SIZE; ++i) |
6895 | for (p = ct_table[i]; p; p = p->next) | |
6896 | colors[j++] = p->pixel; | |
6897 | } | |
6898 | ||
6899 | return colors; | |
6900 | } | |
6901 | ||
6902 | ||
6903 | \f | |
6904 | /*********************************************************************** | |
6905 | Algorithms | |
6906 | ***********************************************************************/ | |
6907 | ||
4a8e312c GM |
6908 | static XColor *x_to_xcolors P_ ((struct frame *, struct image *, int)); |
6909 | static void x_from_xcolors P_ ((struct frame *, struct image *, XColor *)); | |
6910 | static void x_detect_edges P_ ((struct frame *, struct image *, int[9], int)); | |
6911 | ||
d2dc8167 | 6912 | /* Non-zero means draw a cross on images having `:conversion |
14819cb3 GM |
6913 | disabled'. */ |
6914 | ||
6915 | int cross_disabled_images; | |
6916 | ||
4a8e312c GM |
6917 | /* Edge detection matrices for different edge-detection |
6918 | strategies. */ | |
6919 | ||
6920 | static int emboss_matrix[9] = { | |
6921 | /* x - 1 x x + 1 */ | |
6922 | 2, -1, 0, /* y - 1 */ | |
6923 | -1, 0, 1, /* y */ | |
6924 | 0, 1, -2 /* y + 1 */ | |
6925 | }; | |
333b20bb | 6926 | |
4a8e312c GM |
6927 | static int laplace_matrix[9] = { |
6928 | /* x - 1 x x + 1 */ | |
6929 | 1, 0, 0, /* y - 1 */ | |
6930 | 0, 0, 0, /* y */ | |
6931 | 0, 0, -1 /* y + 1 */ | |
6932 | }; | |
333b20bb | 6933 | |
14819cb3 GM |
6934 | /* Value is the intensity of the color whose red/green/blue values |
6935 | are R, G, and B. */ | |
6936 | ||
6937 | #define COLOR_INTENSITY(R, G, B) ((2 * (R) + 3 * (G) + (B)) / 6) | |
6938 | ||
333b20bb | 6939 | |
4a8e312c GM |
6940 | /* On frame F, return an array of XColor structures describing image |
6941 | IMG->pixmap. Each XColor structure has its pixel color set. RGB_P | |
6942 | non-zero means also fill the red/green/blue members of the XColor | |
6943 | structures. Value is a pointer to the array of XColors structures, | |
6944 | allocated with xmalloc; it must be freed by the caller. */ | |
6945 | ||
6946 | static XColor * | |
6947 | x_to_xcolors (f, img, rgb_p) | |
333b20bb | 6948 | struct frame *f; |
4a8e312c GM |
6949 | struct image *img; |
6950 | int rgb_p; | |
333b20bb | 6951 | { |
4a8e312c GM |
6952 | int x, y; |
6953 | XColor *colors, *p; | |
6954 | XImage *ximg; | |
333b20bb | 6955 | |
4a8e312c GM |
6956 | colors = (XColor *) xmalloc (img->width * img->height * sizeof *colors); |
6957 | ||
6958 | /* Get the X image IMG->pixmap. */ | |
6959 | ximg = XGetImage (FRAME_X_DISPLAY (f), img->pixmap, | |
6960 | 0, 0, img->width, img->height, ~0, ZPixmap); | |
333b20bb | 6961 | |
4a8e312c GM |
6962 | /* Fill the `pixel' members of the XColor array. I wished there |
6963 | were an easy and portable way to circumvent XGetPixel. */ | |
6964 | p = colors; | |
6965 | for (y = 0; y < img->height; ++y) | |
6966 | { | |
6967 | XColor *row = p; | |
177c0ea7 | 6968 | |
4a8e312c GM |
6969 | for (x = 0; x < img->width; ++x, ++p) |
6970 | p->pixel = XGetPixel (ximg, x, y); | |
6971 | ||
6972 | if (rgb_p) | |
a31fedb7 | 6973 | x_query_colors (f, row, img->width); |
4a8e312c GM |
6974 | } |
6975 | ||
6976 | XDestroyImage (ximg); | |
4a8e312c | 6977 | return colors; |
333b20bb GM |
6978 | } |
6979 | ||
6980 | ||
4a8e312c GM |
6981 | /* Create IMG->pixmap from an array COLORS of XColor structures, whose |
6982 | RGB members are set. F is the frame on which this all happens. | |
6983 | COLORS will be freed; an existing IMG->pixmap will be freed, too. */ | |
333b20bb GM |
6984 | |
6985 | static void | |
4a8e312c | 6986 | x_from_xcolors (f, img, colors) |
333b20bb | 6987 | struct frame *f; |
4a8e312c GM |
6988 | struct image *img; |
6989 | XColor *colors; | |
333b20bb | 6990 | { |
4a8e312c GM |
6991 | int x, y; |
6992 | XImage *oimg; | |
6993 | Pixmap pixmap; | |
6994 | XColor *p; | |
177c0ea7 | 6995 | |
4a8e312c | 6996 | init_color_table (); |
177c0ea7 | 6997 | |
4a8e312c GM |
6998 | x_create_x_image_and_pixmap (f, img->width, img->height, 0, |
6999 | &oimg, &pixmap); | |
7000 | p = colors; | |
7001 | for (y = 0; y < img->height; ++y) | |
7002 | for (x = 0; x < img->width; ++x, ++p) | |
7003 | { | |
7004 | unsigned long pixel; | |
7005 | pixel = lookup_rgb_color (f, p->red, p->green, p->blue); | |
7006 | XPutPixel (oimg, x, y, pixel); | |
7007 | } | |
7008 | ||
7009 | xfree (colors); | |
dd00328a | 7010 | x_clear_image_1 (f, img, 1, 0, 1); |
4a8e312c GM |
7011 | |
7012 | x_put_x_image (f, oimg, pixmap, img->width, img->height); | |
7013 | x_destroy_x_image (oimg); | |
7014 | img->pixmap = pixmap; | |
7015 | img->colors = colors_in_color_table (&img->ncolors); | |
7016 | free_color_table (); | |
333b20bb GM |
7017 | } |
7018 | ||
7019 | ||
4a8e312c GM |
7020 | /* On frame F, perform edge-detection on image IMG. |
7021 | ||
7022 | MATRIX is a nine-element array specifying the transformation | |
7023 | matrix. See emboss_matrix for an example. | |
177c0ea7 | 7024 | |
4a8e312c GM |
7025 | COLOR_ADJUST is a color adjustment added to each pixel of the |
7026 | outgoing image. */ | |
333b20bb GM |
7027 | |
7028 | static void | |
4a8e312c | 7029 | x_detect_edges (f, img, matrix, color_adjust) |
333b20bb GM |
7030 | struct frame *f; |
7031 | struct image *img; | |
4a8e312c | 7032 | int matrix[9], color_adjust; |
333b20bb | 7033 | { |
4a8e312c GM |
7034 | XColor *colors = x_to_xcolors (f, img, 1); |
7035 | XColor *new, *p; | |
7036 | int x, y, i, sum; | |
333b20bb | 7037 | |
4a8e312c GM |
7038 | for (i = sum = 0; i < 9; ++i) |
7039 | sum += abs (matrix[i]); | |
333b20bb | 7040 | |
4a8e312c | 7041 | #define COLOR(A, X, Y) ((A) + (Y) * img->width + (X)) |
333b20bb | 7042 | |
4a8e312c | 7043 | new = (XColor *) xmalloc (img->width * img->height * sizeof *new); |
333b20bb | 7044 | |
4a8e312c GM |
7045 | for (y = 0; y < img->height; ++y) |
7046 | { | |
7047 | p = COLOR (new, 0, y); | |
7048 | p->red = p->green = p->blue = 0xffff/2; | |
7049 | p = COLOR (new, img->width - 1, y); | |
7050 | p->red = p->green = p->blue = 0xffff/2; | |
7051 | } | |
177c0ea7 | 7052 | |
4a8e312c GM |
7053 | for (x = 1; x < img->width - 1; ++x) |
7054 | { | |
7055 | p = COLOR (new, x, 0); | |
7056 | p->red = p->green = p->blue = 0xffff/2; | |
7057 | p = COLOR (new, x, img->height - 1); | |
7058 | p->red = p->green = p->blue = 0xffff/2; | |
7059 | } | |
333b20bb | 7060 | |
4a8e312c | 7061 | for (y = 1; y < img->height - 1; ++y) |
333b20bb | 7062 | { |
4a8e312c | 7063 | p = COLOR (new, 1, y); |
177c0ea7 | 7064 | |
4a8e312c GM |
7065 | for (x = 1; x < img->width - 1; ++x, ++p) |
7066 | { | |
14819cb3 | 7067 | int r, g, b, y1, x1; |
4a8e312c GM |
7068 | |
7069 | r = g = b = i = 0; | |
7070 | for (y1 = y - 1; y1 < y + 2; ++y1) | |
7071 | for (x1 = x - 1; x1 < x + 2; ++x1, ++i) | |
7072 | if (matrix[i]) | |
7073 | { | |
7074 | XColor *t = COLOR (colors, x1, y1); | |
7075 | r += matrix[i] * t->red; | |
7076 | g += matrix[i] * t->green; | |
7077 | b += matrix[i] * t->blue; | |
7078 | } | |
333b20bb | 7079 | |
4a8e312c GM |
7080 | r = (r / sum + color_adjust) & 0xffff; |
7081 | g = (g / sum + color_adjust) & 0xffff; | |
7082 | b = (b / sum + color_adjust) & 0xffff; | |
14819cb3 | 7083 | p->red = p->green = p->blue = COLOR_INTENSITY (r, g, b); |
333b20bb | 7084 | } |
333b20bb GM |
7085 | } |
7086 | ||
4a8e312c GM |
7087 | xfree (colors); |
7088 | x_from_xcolors (f, img, new); | |
333b20bb | 7089 | |
4a8e312c GM |
7090 | #undef COLOR |
7091 | } | |
7092 | ||
7093 | ||
7094 | /* Perform the pre-defined `emboss' edge-detection on image IMG | |
7095 | on frame F. */ | |
7096 | ||
7097 | static void | |
7098 | x_emboss (f, img) | |
7099 | struct frame *f; | |
7100 | struct image *img; | |
7101 | { | |
7102 | x_detect_edges (f, img, emboss_matrix, 0xffff / 2); | |
7103 | } | |
7104 | ||
7105 | ||
7106 | /* Perform the pre-defined `laplace' edge-detection on image IMG | |
7107 | on frame F. */ | |
7108 | ||
7109 | static void | |
7110 | x_laplace (f, img) | |
7111 | struct frame *f; | |
7112 | struct image *img; | |
7113 | { | |
7114 | x_detect_edges (f, img, laplace_matrix, 45000); | |
7115 | } | |
7116 | ||
7117 | ||
7118 | /* Perform edge-detection on image IMG on frame F, with specified | |
7119 | transformation matrix MATRIX and color-adjustment COLOR_ADJUST. | |
7120 | ||
7121 | MATRIX must be either | |
7122 | ||
7123 | - a list of at least 9 numbers in row-major form | |
7124 | - a vector of at least 9 numbers | |
7125 | ||
7126 | COLOR_ADJUST nil means use a default; otherwise it must be a | |
7127 | number. */ | |
7128 | ||
7129 | static void | |
7130 | x_edge_detection (f, img, matrix, color_adjust) | |
7131 | struct frame *f; | |
7132 | struct image *img; | |
7133 | Lisp_Object matrix, color_adjust; | |
7134 | { | |
7135 | int i = 0; | |
7136 | int trans[9]; | |
177c0ea7 | 7137 | |
4a8e312c GM |
7138 | if (CONSP (matrix)) |
7139 | { | |
7140 | for (i = 0; | |
7141 | i < 9 && CONSP (matrix) && NUMBERP (XCAR (matrix)); | |
7142 | ++i, matrix = XCDR (matrix)) | |
7143 | trans[i] = XFLOATINT (XCAR (matrix)); | |
7144 | } | |
7145 | else if (VECTORP (matrix) && ASIZE (matrix) >= 9) | |
7146 | { | |
7147 | for (i = 0; i < 9 && NUMBERP (AREF (matrix, i)); ++i) | |
7148 | trans[i] = XFLOATINT (AREF (matrix, i)); | |
7149 | } | |
333b20bb | 7150 | |
4a8e312c GM |
7151 | if (NILP (color_adjust)) |
7152 | color_adjust = make_number (0xffff / 2); | |
333b20bb | 7153 | |
4a8e312c GM |
7154 | if (i == 9 && NUMBERP (color_adjust)) |
7155 | x_detect_edges (f, img, trans, (int) XFLOATINT (color_adjust)); | |
333b20bb GM |
7156 | } |
7157 | ||
7158 | ||
14819cb3 GM |
7159 | /* Transform image IMG on frame F so that it looks disabled. */ |
7160 | ||
7161 | static void | |
7162 | x_disable_image (f, img) | |
7163 | struct frame *f; | |
7164 | struct image *img; | |
7165 | { | |
7166 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
dd00328a | 7167 | |
14819cb3 GM |
7168 | if (dpyinfo->n_planes >= 2) |
7169 | { | |
7170 | /* Color (or grayscale). Convert to gray, and equalize. Just | |
7171 | drawing such images with a stipple can look very odd, so | |
7172 | we're using this method instead. */ | |
7173 | XColor *colors = x_to_xcolors (f, img, 1); | |
7174 | XColor *p, *end; | |
7175 | const int h = 15000; | |
7176 | const int l = 30000; | |
7177 | ||
7178 | for (p = colors, end = colors + img->width * img->height; | |
7179 | p < end; | |
7180 | ++p) | |
7181 | { | |
7182 | int i = COLOR_INTENSITY (p->red, p->green, p->blue); | |
7183 | int i2 = (0xffff - h - l) * i / 0xffff + l; | |
7184 | p->red = p->green = p->blue = i2; | |
7185 | } | |
7186 | ||
7187 | x_from_xcolors (f, img, colors); | |
7188 | } | |
7189 | ||
7190 | /* Draw a cross over the disabled image, if we must or if we | |
7191 | should. */ | |
7192 | if (dpyinfo->n_planes < 2 || cross_disabled_images) | |
7193 | { | |
7194 | Display *dpy = FRAME_X_DISPLAY (f); | |
7195 | GC gc; | |
7196 | ||
14819cb3 GM |
7197 | gc = XCreateGC (dpy, img->pixmap, 0, NULL); |
7198 | XSetForeground (dpy, gc, BLACK_PIX_DEFAULT (f)); | |
7199 | XDrawLine (dpy, img->pixmap, gc, 0, 0, | |
7200 | img->width - 1, img->height - 1); | |
7201 | XDrawLine (dpy, img->pixmap, gc, 0, img->height - 1, | |
7202 | img->width - 1, 0); | |
7203 | XFreeGC (dpy, gc); | |
7204 | ||
7205 | if (img->mask) | |
7206 | { | |
7207 | gc = XCreateGC (dpy, img->mask, 0, NULL); | |
7208 | XSetForeground (dpy, gc, WHITE_PIX_DEFAULT (f)); | |
7209 | XDrawLine (dpy, img->mask, gc, 0, 0, | |
7210 | img->width - 1, img->height - 1); | |
7211 | XDrawLine (dpy, img->mask, gc, 0, img->height - 1, | |
7212 | img->width - 1, 0); | |
7213 | XFreeGC (dpy, gc); | |
7214 | } | |
14819cb3 GM |
7215 | } |
7216 | } | |
7217 | ||
7218 | ||
333b20bb GM |
7219 | /* Build a mask for image IMG which is used on frame F. FILE is the |
7220 | name of an image file, for error messages. HOW determines how to | |
fcf431dc GM |
7221 | determine the background color of IMG. If it is a list '(R G B)', |
7222 | with R, G, and B being integers >= 0, take that as the color of the | |
7223 | background. Otherwise, determine the background color of IMG | |
7224 | heuristically. Value is non-zero if successful. */ | |
333b20bb GM |
7225 | |
7226 | static int | |
45158a91 | 7227 | x_build_heuristic_mask (f, img, how) |
333b20bb | 7228 | struct frame *f; |
333b20bb GM |
7229 | struct image *img; |
7230 | Lisp_Object how; | |
7231 | { | |
7232 | Display *dpy = FRAME_X_DISPLAY (f); | |
333b20bb | 7233 | XImage *ximg, *mask_img; |
f20a3b7a | 7234 | int x, y, rc, use_img_background; |
8ec8a5ec | 7235 | unsigned long bg = 0; |
333b20bb | 7236 | |
4a8e312c GM |
7237 | if (img->mask) |
7238 | { | |
7239 | XFreePixmap (FRAME_X_DISPLAY (f), img->mask); | |
dd00328a | 7240 | img->mask = None; |
f20a3b7a | 7241 | img->background_transparent_valid = 0; |
4a8e312c | 7242 | } |
dd00328a | 7243 | |
333b20bb | 7244 | /* Create an image and pixmap serving as mask. */ |
45158a91 | 7245 | rc = x_create_x_image_and_pixmap (f, img->width, img->height, 1, |
333b20bb GM |
7246 | &mask_img, &img->mask); |
7247 | if (!rc) | |
28c7826c | 7248 | return 0; |
333b20bb GM |
7249 | |
7250 | /* Get the X image of IMG->pixmap. */ | |
7251 | ximg = XGetImage (dpy, img->pixmap, 0, 0, img->width, img->height, | |
7252 | ~0, ZPixmap); | |
7253 | ||
fcf431dc | 7254 | /* Determine the background color of ximg. If HOW is `(R G B)' |
f20a3b7a MB |
7255 | take that as color. Otherwise, use the image's background color. */ |
7256 | use_img_background = 1; | |
177c0ea7 | 7257 | |
fcf431dc GM |
7258 | if (CONSP (how)) |
7259 | { | |
cac1daf0 | 7260 | int rgb[3], i; |
fcf431dc | 7261 | |
cac1daf0 | 7262 | for (i = 0; i < 3 && CONSP (how) && NATNUMP (XCAR (how)); ++i) |
fcf431dc GM |
7263 | { |
7264 | rgb[i] = XFASTINT (XCAR (how)) & 0xffff; | |
7265 | how = XCDR (how); | |
7266 | } | |
7267 | ||
7268 | if (i == 3 && NILP (how)) | |
7269 | { | |
7270 | char color_name[30]; | |
fcf431dc | 7271 | sprintf (color_name, "#%04x%04x%04x", rgb[0], rgb[1], rgb[2]); |
053b3256 GM |
7272 | bg = x_alloc_image_color (f, img, build_string (color_name), 0); |
7273 | use_img_background = 0; | |
fcf431dc GM |
7274 | } |
7275 | } | |
177c0ea7 | 7276 | |
f20a3b7a | 7277 | if (use_img_background) |
43f7c3ea | 7278 | bg = four_corners_best (ximg, img->width, img->height); |
333b20bb GM |
7279 | |
7280 | /* Set all bits in mask_img to 1 whose color in ximg is different | |
7281 | from the background color bg. */ | |
7282 | for (y = 0; y < img->height; ++y) | |
7283 | for (x = 0; x < img->width; ++x) | |
7284 | XPutPixel (mask_img, x, y, XGetPixel (ximg, x, y) != bg); | |
7285 | ||
f20a3b7a MB |
7286 | /* Fill in the background_transparent field while we have the mask handy. */ |
7287 | image_background_transparent (img, f, mask_img); | |
7288 | ||
333b20bb GM |
7289 | /* Put mask_img into img->mask. */ |
7290 | x_put_x_image (f, mask_img, img->mask, img->width, img->height); | |
7291 | x_destroy_x_image (mask_img); | |
7292 | XDestroyImage (ximg); | |
177c0ea7 | 7293 | |
333b20bb GM |
7294 | return 1; |
7295 | } | |
7296 | ||
7297 | ||
7298 | \f | |
7299 | /*********************************************************************** | |
7300 | PBM (mono, gray, color) | |
7301 | ***********************************************************************/ | |
7302 | ||
7303 | static int pbm_image_p P_ ((Lisp_Object object)); | |
7304 | static int pbm_load P_ ((struct frame *f, struct image *img)); | |
63cec32f | 7305 | static int pbm_scan_number P_ ((unsigned char **, unsigned char *)); |
333b20bb GM |
7306 | |
7307 | /* The symbol `pbm' identifying images of this type. */ | |
7308 | ||
7309 | Lisp_Object Qpbm; | |
7310 | ||
7311 | /* Indices of image specification fields in gs_format, below. */ | |
7312 | ||
7313 | enum pbm_keyword_index | |
7314 | { | |
7315 | PBM_TYPE, | |
7316 | PBM_FILE, | |
63cec32f | 7317 | PBM_DATA, |
333b20bb GM |
7318 | PBM_ASCENT, |
7319 | PBM_MARGIN, | |
7320 | PBM_RELIEF, | |
7321 | PBM_ALGORITHM, | |
7322 | PBM_HEURISTIC_MASK, | |
4a8e312c | 7323 | PBM_MASK, |
be0b1fac GM |
7324 | PBM_FOREGROUND, |
7325 | PBM_BACKGROUND, | |
333b20bb GM |
7326 | PBM_LAST |
7327 | }; | |
7328 | ||
7329 | /* Vector of image_keyword structures describing the format | |
7330 | of valid user-defined image specifications. */ | |
7331 | ||
7332 | static struct image_keyword pbm_format[PBM_LAST] = | |
7333 | { | |
7334 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
63cec32f GM |
7335 | {":file", IMAGE_STRING_VALUE, 0}, |
7336 | {":data", IMAGE_STRING_VALUE, 0}, | |
7c7ff7f5 | 7337 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
3ed61e75 | 7338 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
333b20bb | 7339 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
d2dc8167 | 7340 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
4a8e312c | 7341 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
be0b1fac | 7342 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
6f1be3b9 GM |
7343 | {":foreground", IMAGE_STRING_OR_NIL_VALUE, 0}, |
7344 | {":background", IMAGE_STRING_OR_NIL_VALUE, 0} | |
333b20bb GM |
7345 | }; |
7346 | ||
7347 | /* Structure describing the image type `pbm'. */ | |
7348 | ||
7349 | static struct image_type pbm_type = | |
7350 | { | |
7351 | &Qpbm, | |
7352 | pbm_image_p, | |
7353 | pbm_load, | |
7354 | x_clear_image, | |
7355 | NULL | |
7356 | }; | |
7357 | ||
7358 | ||
7359 | /* Return non-zero if OBJECT is a valid PBM image specification. */ | |
7360 | ||
7361 | static int | |
7362 | pbm_image_p (object) | |
7363 | Lisp_Object object; | |
7364 | { | |
7365 | struct image_keyword fmt[PBM_LAST]; | |
177c0ea7 | 7366 | |
333b20bb | 7367 | bcopy (pbm_format, fmt, sizeof fmt); |
177c0ea7 | 7368 | |
7c7ff7f5 | 7369 | if (!parse_image_spec (object, fmt, PBM_LAST, Qpbm)) |
333b20bb | 7370 | return 0; |
63cec32f GM |
7371 | |
7372 | /* Must specify either :data or :file. */ | |
7373 | return fmt[PBM_DATA].count + fmt[PBM_FILE].count == 1; | |
333b20bb GM |
7374 | } |
7375 | ||
7376 | ||
63cec32f GM |
7377 | /* Scan a decimal number from *S and return it. Advance *S while |
7378 | reading the number. END is the end of the string. Value is -1 at | |
7379 | end of input. */ | |
333b20bb GM |
7380 | |
7381 | static int | |
63cec32f GM |
7382 | pbm_scan_number (s, end) |
7383 | unsigned char **s, *end; | |
333b20bb | 7384 | { |
8ec8a5ec | 7385 | int c = 0, val = -1; |
333b20bb | 7386 | |
63cec32f | 7387 | while (*s < end) |
333b20bb GM |
7388 | { |
7389 | /* Skip white-space. */ | |
63cec32f | 7390 | while (*s < end && (c = *(*s)++, isspace (c))) |
333b20bb GM |
7391 | ; |
7392 | ||
7393 | if (c == '#') | |
7394 | { | |
7395 | /* Skip comment to end of line. */ | |
63cec32f | 7396 | while (*s < end && (c = *(*s)++, c != '\n')) |
333b20bb GM |
7397 | ; |
7398 | } | |
7399 | else if (isdigit (c)) | |
7400 | { | |
7401 | /* Read decimal number. */ | |
7402 | val = c - '0'; | |
63cec32f | 7403 | while (*s < end && (c = *(*s)++, isdigit (c))) |
333b20bb GM |
7404 | val = 10 * val + c - '0'; |
7405 | break; | |
7406 | } | |
7407 | else | |
7408 | break; | |
7409 | } | |
7410 | ||
7411 | return val; | |
7412 | } | |
7413 | ||
7414 | ||
7415 | /* Load PBM image IMG for use on frame F. */ | |
7416 | ||
177c0ea7 | 7417 | static int |
333b20bb GM |
7418 | pbm_load (f, img) |
7419 | struct frame *f; | |
7420 | struct image *img; | |
7421 | { | |
333b20bb | 7422 | int raw_p, x, y; |
b6d7acec | 7423 | int width, height, max_color_idx = 0; |
333b20bb GM |
7424 | XImage *ximg; |
7425 | Lisp_Object file, specified_file; | |
7426 | enum {PBM_MONO, PBM_GRAY, PBM_COLOR} type; | |
7427 | struct gcpro gcpro1; | |
63cec32f GM |
7428 | unsigned char *contents = NULL; |
7429 | unsigned char *end, *p; | |
7430 | int size; | |
333b20bb GM |
7431 | |
7432 | specified_file = image_spec_value (img->spec, QCfile, NULL); | |
63cec32f | 7433 | file = Qnil; |
333b20bb | 7434 | GCPRO1 (file); |
333b20bb | 7435 | |
63cec32f | 7436 | if (STRINGP (specified_file)) |
333b20bb | 7437 | { |
63cec32f GM |
7438 | file = x_find_image_file (specified_file); |
7439 | if (!STRINGP (file)) | |
7440 | { | |
7441 | image_error ("Cannot find image file `%s'", specified_file, Qnil); | |
7442 | UNGCPRO; | |
7443 | return 0; | |
7444 | } | |
333b20bb | 7445 | |
d5db4077 | 7446 | contents = slurp_file (SDATA (file), &size); |
63cec32f GM |
7447 | if (contents == NULL) |
7448 | { | |
7449 | image_error ("Error reading `%s'", file, Qnil); | |
7450 | UNGCPRO; | |
7451 | return 0; | |
7452 | } | |
7453 | ||
7454 | p = contents; | |
7455 | end = contents + size; | |
7456 | } | |
7457 | else | |
333b20bb | 7458 | { |
63cec32f GM |
7459 | Lisp_Object data; |
7460 | data = image_spec_value (img->spec, QCdata, NULL); | |
d5db4077 KR |
7461 | p = SDATA (data); |
7462 | end = p + SBYTES (data); | |
333b20bb GM |
7463 | } |
7464 | ||
63cec32f GM |
7465 | /* Check magic number. */ |
7466 | if (end - p < 2 || *p++ != 'P') | |
333b20bb | 7467 | { |
45158a91 | 7468 | image_error ("Not a PBM image: `%s'", img->spec, Qnil); |
63cec32f GM |
7469 | error: |
7470 | xfree (contents); | |
333b20bb GM |
7471 | UNGCPRO; |
7472 | return 0; | |
7473 | } | |
7474 | ||
63cec32f | 7475 | switch (*p++) |
333b20bb GM |
7476 | { |
7477 | case '1': | |
7478 | raw_p = 0, type = PBM_MONO; | |
7479 | break; | |
177c0ea7 | 7480 | |
333b20bb GM |
7481 | case '2': |
7482 | raw_p = 0, type = PBM_GRAY; | |
7483 | break; | |
7484 | ||
7485 | case '3': | |
7486 | raw_p = 0, type = PBM_COLOR; | |
7487 | break; | |
7488 | ||
7489 | case '4': | |
7490 | raw_p = 1, type = PBM_MONO; | |
7491 | break; | |
177c0ea7 | 7492 | |
333b20bb GM |
7493 | case '5': |
7494 | raw_p = 1, type = PBM_GRAY; | |
7495 | break; | |
177c0ea7 | 7496 | |
333b20bb GM |
7497 | case '6': |
7498 | raw_p = 1, type = PBM_COLOR; | |
7499 | break; | |
7500 | ||
7501 | default: | |
45158a91 | 7502 | image_error ("Not a PBM image: `%s'", img->spec, Qnil); |
63cec32f | 7503 | goto error; |
333b20bb GM |
7504 | } |
7505 | ||
7506 | /* Read width, height, maximum color-component. Characters | |
7507 | starting with `#' up to the end of a line are ignored. */ | |
63cec32f GM |
7508 | width = pbm_scan_number (&p, end); |
7509 | height = pbm_scan_number (&p, end); | |
333b20bb GM |
7510 | |
7511 | if (type != PBM_MONO) | |
7512 | { | |
63cec32f | 7513 | max_color_idx = pbm_scan_number (&p, end); |
333b20bb GM |
7514 | if (raw_p && max_color_idx > 255) |
7515 | max_color_idx = 255; | |
7516 | } | |
177c0ea7 | 7517 | |
63cec32f GM |
7518 | if (width < 0 |
7519 | || height < 0 | |
333b20bb | 7520 | || (type != PBM_MONO && max_color_idx < 0)) |
63cec32f | 7521 | goto error; |
333b20bb | 7522 | |
45158a91 | 7523 | if (!x_create_x_image_and_pixmap (f, width, height, 0, |
333b20bb | 7524 | &ximg, &img->pixmap)) |
28c7826c | 7525 | goto error; |
177c0ea7 | 7526 | |
333b20bb GM |
7527 | /* Initialize the color hash table. */ |
7528 | init_color_table (); | |
7529 | ||
7530 | if (type == PBM_MONO) | |
7531 | { | |
7532 | int c = 0, g; | |
be0b1fac GM |
7533 | struct image_keyword fmt[PBM_LAST]; |
7534 | unsigned long fg = FRAME_FOREGROUND_PIXEL (f); | |
7535 | unsigned long bg = FRAME_BACKGROUND_PIXEL (f); | |
7536 | ||
7537 | /* Parse the image specification. */ | |
7538 | bcopy (pbm_format, fmt, sizeof fmt); | |
7539 | parse_image_spec (img->spec, fmt, PBM_LAST, Qpbm); | |
177c0ea7 | 7540 | |
be0b1fac | 7541 | /* Get foreground and background colors, maybe allocate colors. */ |
6f1be3b9 GM |
7542 | if (fmt[PBM_FOREGROUND].count |
7543 | && STRINGP (fmt[PBM_FOREGROUND].value)) | |
be0b1fac | 7544 | fg = x_alloc_image_color (f, img, fmt[PBM_FOREGROUND].value, fg); |
6f1be3b9 GM |
7545 | if (fmt[PBM_BACKGROUND].count |
7546 | && STRINGP (fmt[PBM_BACKGROUND].value)) | |
f20a3b7a MB |
7547 | { |
7548 | bg = x_alloc_image_color (f, img, fmt[PBM_BACKGROUND].value, bg); | |
7549 | img->background = bg; | |
7550 | img->background_valid = 1; | |
7551 | } | |
177c0ea7 | 7552 | |
333b20bb GM |
7553 | for (y = 0; y < height; ++y) |
7554 | for (x = 0; x < width; ++x) | |
7555 | { | |
7556 | if (raw_p) | |
7557 | { | |
7558 | if ((x & 7) == 0) | |
63cec32f | 7559 | c = *p++; |
333b20bb GM |
7560 | g = c & 0x80; |
7561 | c <<= 1; | |
7562 | } | |
7563 | else | |
63cec32f | 7564 | g = pbm_scan_number (&p, end); |
333b20bb | 7565 | |
be0b1fac | 7566 | XPutPixel (ximg, x, y, g ? fg : bg); |
333b20bb GM |
7567 | } |
7568 | } | |
7569 | else | |
7570 | { | |
7571 | for (y = 0; y < height; ++y) | |
7572 | for (x = 0; x < width; ++x) | |
7573 | { | |
7574 | int r, g, b; | |
177c0ea7 | 7575 | |
333b20bb | 7576 | if (type == PBM_GRAY) |
63cec32f | 7577 | r = g = b = raw_p ? *p++ : pbm_scan_number (&p, end); |
333b20bb GM |
7578 | else if (raw_p) |
7579 | { | |
63cec32f GM |
7580 | r = *p++; |
7581 | g = *p++; | |
7582 | b = *p++; | |
333b20bb GM |
7583 | } |
7584 | else | |
7585 | { | |
63cec32f GM |
7586 | r = pbm_scan_number (&p, end); |
7587 | g = pbm_scan_number (&p, end); | |
7588 | b = pbm_scan_number (&p, end); | |
333b20bb | 7589 | } |
177c0ea7 | 7590 | |
333b20bb GM |
7591 | if (r < 0 || g < 0 || b < 0) |
7592 | { | |
333b20bb GM |
7593 | xfree (ximg->data); |
7594 | ximg->data = NULL; | |
7595 | XDestroyImage (ximg); | |
45158a91 GM |
7596 | image_error ("Invalid pixel value in image `%s'", |
7597 | img->spec, Qnil); | |
63cec32f | 7598 | goto error; |
333b20bb | 7599 | } |
177c0ea7 | 7600 | |
333b20bb GM |
7601 | /* RGB values are now in the range 0..max_color_idx. |
7602 | Scale this to the range 0..0xffff supported by X. */ | |
7603 | r = (double) r * 65535 / max_color_idx; | |
7604 | g = (double) g * 65535 / max_color_idx; | |
7605 | b = (double) b * 65535 / max_color_idx; | |
7606 | XPutPixel (ximg, x, y, lookup_rgb_color (f, r, g, b)); | |
7607 | } | |
7608 | } | |
177c0ea7 | 7609 | |
333b20bb GM |
7610 | /* Store in IMG->colors the colors allocated for the image, and |
7611 | free the color table. */ | |
7612 | img->colors = colors_in_color_table (&img->ncolors); | |
7613 | free_color_table (); | |
f20a3b7a MB |
7614 | |
7615 | /* Maybe fill in the background field while we have ximg handy. */ | |
7616 | if (NILP (image_spec_value (img->spec, QCbackground, NULL))) | |
7617 | IMAGE_BACKGROUND (img, f, ximg); | |
177c0ea7 | 7618 | |
333b20bb GM |
7619 | /* Put the image into a pixmap. */ |
7620 | x_put_x_image (f, ximg, img->pixmap, width, height); | |
7621 | x_destroy_x_image (ximg); | |
177c0ea7 | 7622 | |
333b20bb GM |
7623 | img->width = width; |
7624 | img->height = height; | |
7625 | ||
7626 | UNGCPRO; | |
63cec32f | 7627 | xfree (contents); |
333b20bb GM |
7628 | return 1; |
7629 | } | |
7630 | ||
7631 | ||
7632 | \f | |
7633 | /*********************************************************************** | |
7634 | PNG | |
7635 | ***********************************************************************/ | |
7636 | ||
7637 | #if HAVE_PNG | |
7638 | ||
d2398db3 SM |
7639 | #if defined HAVE_LIBPNG_PNG_H |
7640 | # include <libpng/png.h> | |
34e8c597 | 7641 | #else |
d2398db3 | 7642 | # include <png.h> |
34e8c597 | 7643 | #endif |
333b20bb GM |
7644 | |
7645 | /* Function prototypes. */ | |
7646 | ||
7647 | static int png_image_p P_ ((Lisp_Object object)); | |
7648 | static int png_load P_ ((struct frame *f, struct image *img)); | |
7649 | ||
7650 | /* The symbol `png' identifying images of this type. */ | |
7651 | ||
7652 | Lisp_Object Qpng; | |
7653 | ||
7654 | /* Indices of image specification fields in png_format, below. */ | |
7655 | ||
7656 | enum png_keyword_index | |
7657 | { | |
7658 | PNG_TYPE, | |
63448a4d | 7659 | PNG_DATA, |
333b20bb GM |
7660 | PNG_FILE, |
7661 | PNG_ASCENT, | |
7662 | PNG_MARGIN, | |
7663 | PNG_RELIEF, | |
7664 | PNG_ALGORITHM, | |
7665 | PNG_HEURISTIC_MASK, | |
4a8e312c | 7666 | PNG_MASK, |
f20a3b7a | 7667 | PNG_BACKGROUND, |
333b20bb GM |
7668 | PNG_LAST |
7669 | }; | |
7670 | ||
7671 | /* Vector of image_keyword structures describing the format | |
7672 | of valid user-defined image specifications. */ | |
7673 | ||
7674 | static struct image_keyword png_format[PNG_LAST] = | |
7675 | { | |
7676 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
5ad6a5fb | 7677 | {":data", IMAGE_STRING_VALUE, 0}, |
63448a4d | 7678 | {":file", IMAGE_STRING_VALUE, 0}, |
7c7ff7f5 | 7679 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
3ed61e75 | 7680 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
333b20bb | 7681 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
d2dc8167 | 7682 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
4a8e312c | 7683 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
f2f0a644 | 7684 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
f20a3b7a | 7685 | {":background", IMAGE_STRING_OR_NIL_VALUE, 0} |
333b20bb GM |
7686 | }; |
7687 | ||
06482119 | 7688 | /* Structure describing the image type `png'. */ |
333b20bb GM |
7689 | |
7690 | static struct image_type png_type = | |
7691 | { | |
7692 | &Qpng, | |
7693 | png_image_p, | |
7694 | png_load, | |
7695 | x_clear_image, | |
7696 | NULL | |
7697 | }; | |
7698 | ||
7699 | ||
7700 | /* Return non-zero if OBJECT is a valid PNG image specification. */ | |
7701 | ||
7702 | static int | |
7703 | png_image_p (object) | |
7704 | Lisp_Object object; | |
7705 | { | |
7706 | struct image_keyword fmt[PNG_LAST]; | |
7707 | bcopy (png_format, fmt, sizeof fmt); | |
177c0ea7 | 7708 | |
7c7ff7f5 | 7709 | if (!parse_image_spec (object, fmt, PNG_LAST, Qpng)) |
333b20bb | 7710 | return 0; |
63448a4d | 7711 | |
63cec32f GM |
7712 | /* Must specify either the :data or :file keyword. */ |
7713 | return fmt[PNG_FILE].count + fmt[PNG_DATA].count == 1; | |
333b20bb GM |
7714 | } |
7715 | ||
7716 | ||
7717 | /* Error and warning handlers installed when the PNG library | |
7718 | is initialized. */ | |
7719 | ||
7720 | static void | |
7721 | my_png_error (png_ptr, msg) | |
7722 | png_struct *png_ptr; | |
7723 | char *msg; | |
7724 | { | |
7725 | xassert (png_ptr != NULL); | |
7726 | image_error ("PNG error: %s", build_string (msg), Qnil); | |
7727 | longjmp (png_ptr->jmpbuf, 1); | |
7728 | } | |
7729 | ||
7730 | ||
7731 | static void | |
7732 | my_png_warning (png_ptr, msg) | |
7733 | png_struct *png_ptr; | |
7734 | char *msg; | |
7735 | { | |
7736 | xassert (png_ptr != NULL); | |
7737 | image_error ("PNG warning: %s", build_string (msg), Qnil); | |
7738 | } | |
7739 | ||
5ad6a5fb GM |
7740 | /* Memory source for PNG decoding. */ |
7741 | ||
63448a4d WP |
7742 | struct png_memory_storage |
7743 | { | |
5ad6a5fb GM |
7744 | unsigned char *bytes; /* The data */ |
7745 | size_t len; /* How big is it? */ | |
7746 | int index; /* Where are we? */ | |
63448a4d WP |
7747 | }; |
7748 | ||
5ad6a5fb GM |
7749 | |
7750 | /* Function set as reader function when reading PNG image from memory. | |
7751 | PNG_PTR is a pointer to the PNG control structure. Copy LENGTH | |
7752 | bytes from the input to DATA. */ | |
7753 | ||
63448a4d | 7754 | static void |
5ad6a5fb GM |
7755 | png_read_from_memory (png_ptr, data, length) |
7756 | png_structp png_ptr; | |
7757 | png_bytep data; | |
7758 | png_size_t length; | |
63448a4d | 7759 | { |
5ad6a5fb GM |
7760 | struct png_memory_storage *tbr |
7761 | = (struct png_memory_storage *) png_get_io_ptr (png_ptr); | |
63448a4d | 7762 | |
5ad6a5fb GM |
7763 | if (length > tbr->len - tbr->index) |
7764 | png_error (png_ptr, "Read error"); | |
177c0ea7 | 7765 | |
5ad6a5fb GM |
7766 | bcopy (tbr->bytes + tbr->index, data, length); |
7767 | tbr->index = tbr->index + length; | |
63448a4d | 7768 | } |
333b20bb GM |
7769 | |
7770 | /* Load PNG image IMG for use on frame F. Value is non-zero if | |
7771 | successful. */ | |
7772 | ||
7773 | static int | |
7774 | png_load (f, img) | |
7775 | struct frame *f; | |
7776 | struct image *img; | |
7777 | { | |
7778 | Lisp_Object file, specified_file; | |
63448a4d | 7779 | Lisp_Object specified_data; |
b6d7acec | 7780 | int x, y, i; |
333b20bb GM |
7781 | XImage *ximg, *mask_img = NULL; |
7782 | struct gcpro gcpro1; | |
7783 | png_struct *png_ptr = NULL; | |
7784 | png_info *info_ptr = NULL, *end_info = NULL; | |
8ec8a5ec | 7785 | FILE *volatile fp = NULL; |
333b20bb | 7786 | png_byte sig[8]; |
8ec8a5ec GM |
7787 | png_byte * volatile pixels = NULL; |
7788 | png_byte ** volatile rows = NULL; | |
333b20bb GM |
7789 | png_uint_32 width, height; |
7790 | int bit_depth, color_type, interlace_type; | |
7791 | png_byte channels; | |
7792 | png_uint_32 row_bytes; | |
7793 | int transparent_p; | |
8972820c | 7794 | double screen_gamma; |
63448a4d | 7795 | struct png_memory_storage tbr; /* Data to be read */ |
333b20bb GM |
7796 | |
7797 | /* Find out what file to load. */ | |
7798 | specified_file = image_spec_value (img->spec, QCfile, NULL); | |
63448a4d | 7799 | specified_data = image_spec_value (img->spec, QCdata, NULL); |
5ad6a5fb GM |
7800 | file = Qnil; |
7801 | GCPRO1 (file); | |
333b20bb | 7802 | |
63448a4d | 7803 | if (NILP (specified_data)) |
5ad6a5fb GM |
7804 | { |
7805 | file = x_find_image_file (specified_file); | |
7806 | if (!STRINGP (file)) | |
63448a4d | 7807 | { |
45158a91 | 7808 | image_error ("Cannot find image file `%s'", specified_file, Qnil); |
5ad6a5fb GM |
7809 | UNGCPRO; |
7810 | return 0; | |
7811 | } | |
333b20bb | 7812 | |
5ad6a5fb | 7813 | /* Open the image file. */ |
d5db4077 | 7814 | fp = fopen (SDATA (file), "rb"); |
5ad6a5fb GM |
7815 | if (!fp) |
7816 | { | |
45158a91 | 7817 | image_error ("Cannot open image file `%s'", file, Qnil); |
5ad6a5fb GM |
7818 | UNGCPRO; |
7819 | fclose (fp); | |
7820 | return 0; | |
7821 | } | |
63448a4d | 7822 | |
5ad6a5fb GM |
7823 | /* Check PNG signature. */ |
7824 | if (fread (sig, 1, sizeof sig, fp) != sizeof sig | |
7825 | || !png_check_sig (sig, sizeof sig)) | |
7826 | { | |
45158a91 | 7827 | image_error ("Not a PNG file: `%s'", file, Qnil); |
5ad6a5fb GM |
7828 | UNGCPRO; |
7829 | fclose (fp); | |
7830 | return 0; | |
63448a4d | 7831 | } |
5ad6a5fb | 7832 | } |
63448a4d | 7833 | else |
5ad6a5fb GM |
7834 | { |
7835 | /* Read from memory. */ | |
d5db4077 KR |
7836 | tbr.bytes = SDATA (specified_data); |
7837 | tbr.len = SBYTES (specified_data); | |
5ad6a5fb | 7838 | tbr.index = 0; |
63448a4d | 7839 | |
5ad6a5fb GM |
7840 | /* Check PNG signature. */ |
7841 | if (tbr.len < sizeof sig | |
7842 | || !png_check_sig (tbr.bytes, sizeof sig)) | |
7843 | { | |
45158a91 | 7844 | image_error ("Not a PNG image: `%s'", img->spec, Qnil); |
5ad6a5fb GM |
7845 | UNGCPRO; |
7846 | return 0; | |
63448a4d | 7847 | } |
333b20bb | 7848 | |
5ad6a5fb GM |
7849 | /* Need to skip past the signature. */ |
7850 | tbr.bytes += sizeof (sig); | |
7851 | } | |
7852 | ||
333b20bb GM |
7853 | /* Initialize read and info structs for PNG lib. */ |
7854 | png_ptr = png_create_read_struct (PNG_LIBPNG_VER_STRING, NULL, | |
7855 | my_png_error, my_png_warning); | |
7856 | if (!png_ptr) | |
7857 | { | |
63448a4d | 7858 | if (fp) fclose (fp); |
333b20bb GM |
7859 | UNGCPRO; |
7860 | return 0; | |
7861 | } | |
7862 | ||
7863 | info_ptr = png_create_info_struct (png_ptr); | |
7864 | if (!info_ptr) | |
7865 | { | |
7866 | png_destroy_read_struct (&png_ptr, NULL, NULL); | |
63448a4d | 7867 | if (fp) fclose (fp); |
333b20bb GM |
7868 | UNGCPRO; |
7869 | return 0; | |
7870 | } | |
7871 | ||
7872 | end_info = png_create_info_struct (png_ptr); | |
7873 | if (!end_info) | |
7874 | { | |
7875 | png_destroy_read_struct (&png_ptr, &info_ptr, NULL); | |
63448a4d | 7876 | if (fp) fclose (fp); |
333b20bb GM |
7877 | UNGCPRO; |
7878 | return 0; | |
7879 | } | |
7880 | ||
7881 | /* Set error jump-back. We come back here when the PNG library | |
7882 | detects an error. */ | |
7883 | if (setjmp (png_ptr->jmpbuf)) | |
7884 | { | |
7885 | error: | |
7886 | if (png_ptr) | |
7887 | png_destroy_read_struct (&png_ptr, &info_ptr, &end_info); | |
7888 | xfree (pixels); | |
7889 | xfree (rows); | |
63448a4d | 7890 | if (fp) fclose (fp); |
333b20bb GM |
7891 | UNGCPRO; |
7892 | return 0; | |
7893 | } | |
7894 | ||
7895 | /* Read image info. */ | |
63448a4d | 7896 | if (!NILP (specified_data)) |
5ad6a5fb | 7897 | png_set_read_fn (png_ptr, (void *) &tbr, png_read_from_memory); |
63448a4d | 7898 | else |
5ad6a5fb | 7899 | png_init_io (png_ptr, fp); |
63448a4d | 7900 | |
333b20bb GM |
7901 | png_set_sig_bytes (png_ptr, sizeof sig); |
7902 | png_read_info (png_ptr, info_ptr); | |
7903 | png_get_IHDR (png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, | |
7904 | &interlace_type, NULL, NULL); | |
7905 | ||
177c0ea7 | 7906 | /* If image contains simply transparency data, we prefer to |
333b20bb GM |
7907 | construct a clipping mask. */ |
7908 | if (png_get_valid (png_ptr, info_ptr, PNG_INFO_tRNS)) | |
7909 | transparent_p = 1; | |
7910 | else | |
7911 | transparent_p = 0; | |
7912 | ||
177c0ea7 | 7913 | /* This function is easier to write if we only have to handle |
333b20bb GM |
7914 | one data format: RGB or RGBA with 8 bits per channel. Let's |
7915 | transform other formats into that format. */ | |
7916 | ||
7917 | /* Strip more than 8 bits per channel. */ | |
7918 | if (bit_depth == 16) | |
7919 | png_set_strip_16 (png_ptr); | |
7920 | ||
7921 | /* Expand data to 24 bit RGB, or 8 bit grayscale, with alpha channel | |
7922 | if available. */ | |
7923 | png_set_expand (png_ptr); | |
7924 | ||
7925 | /* Convert grayscale images to RGB. */ | |
177c0ea7 | 7926 | if (color_type == PNG_COLOR_TYPE_GRAY |
333b20bb GM |
7927 | || color_type == PNG_COLOR_TYPE_GRAY_ALPHA) |
7928 | png_set_gray_to_rgb (png_ptr); | |
7929 | ||
d4405ed7 | 7930 | screen_gamma = (f->gamma ? 1 / f->gamma / 0.45455 : 2.2); |
333b20bb | 7931 | |
bfa261c0 | 7932 | #if 0 /* Avoid double gamma correction for PNG images. */ |
8972820c SM |
7933 | { /* Tell the PNG lib to handle gamma correction for us. */ |
7934 | int intent; | |
7935 | double image_gamma; | |
6c1aa34d | 7936 | #if defined(PNG_READ_sRGB_SUPPORTED) || defined(PNG_WRITE_sRGB_SUPPORTED) |
8972820c SM |
7937 | if (png_get_sRGB (png_ptr, info_ptr, &intent)) |
7938 | /* The libpng documentation says this is right in this case. */ | |
7939 | png_set_gamma (png_ptr, screen_gamma, 0.45455); | |
7940 | else | |
6c1aa34d | 7941 | #endif |
8972820c SM |
7942 | if (png_get_gAMA (png_ptr, info_ptr, &image_gamma)) |
7943 | /* Image contains gamma information. */ | |
7944 | png_set_gamma (png_ptr, screen_gamma, image_gamma); | |
7945 | else | |
7946 | /* Use the standard default for the image gamma. */ | |
7947 | png_set_gamma (png_ptr, screen_gamma, 0.45455); | |
7948 | } | |
7273d100 | 7949 | #endif /* if 0 */ |
333b20bb GM |
7950 | |
7951 | /* Handle alpha channel by combining the image with a background | |
7952 | color. Do this only if a real alpha channel is supplied. For | |
7953 | simple transparency, we prefer a clipping mask. */ | |
7954 | if (!transparent_p) | |
7955 | { | |
f20a3b7a MB |
7956 | png_color_16 *image_bg; |
7957 | Lisp_Object specified_bg | |
7958 | = image_spec_value (img->spec, QCbackground, NULL); | |
7959 | ||
f2f0a644 | 7960 | if (STRINGP (specified_bg)) |
f20a3b7a MB |
7961 | /* The user specified `:background', use that. */ |
7962 | { | |
7963 | XColor color; | |
d5db4077 | 7964 | if (x_defined_color (f, SDATA (specified_bg), &color, 0)) |
f20a3b7a MB |
7965 | { |
7966 | png_color_16 user_bg; | |
7967 | ||
7968 | bzero (&user_bg, sizeof user_bg); | |
7969 | user_bg.red = color.red; | |
7970 | user_bg.green = color.green; | |
7971 | user_bg.blue = color.blue; | |
333b20bb | 7972 | |
f20a3b7a MB |
7973 | png_set_background (png_ptr, &user_bg, |
7974 | PNG_BACKGROUND_GAMMA_SCREEN, 0, 1.0); | |
7975 | } | |
7976 | } | |
7977 | else if (png_get_bKGD (png_ptr, info_ptr, &image_bg)) | |
177c0ea7 | 7978 | /* Image contains a background color with which to |
333b20bb | 7979 | combine the image. */ |
f20a3b7a | 7980 | png_set_background (png_ptr, image_bg, |
333b20bb GM |
7981 | PNG_BACKGROUND_GAMMA_FILE, 1, 1.0); |
7982 | else | |
7983 | { | |
7984 | /* Image does not contain a background color with which | |
177c0ea7 | 7985 | to combine the image data via an alpha channel. Use |
333b20bb GM |
7986 | the frame's background instead. */ |
7987 | XColor color; | |
7988 | Colormap cmap; | |
7989 | png_color_16 frame_background; | |
7990 | ||
9b2956e2 | 7991 | cmap = FRAME_X_COLORMAP (f); |
333b20bb | 7992 | color.pixel = FRAME_BACKGROUND_PIXEL (f); |
a31fedb7 | 7993 | x_query_color (f, &color); |
333b20bb GM |
7994 | |
7995 | bzero (&frame_background, sizeof frame_background); | |
7996 | frame_background.red = color.red; | |
7997 | frame_background.green = color.green; | |
7998 | frame_background.blue = color.blue; | |
7999 | ||
8000 | png_set_background (png_ptr, &frame_background, | |
8001 | PNG_BACKGROUND_GAMMA_SCREEN, 0, 1.0); | |
8002 | } | |
8003 | } | |
8004 | ||
8005 | /* Update info structure. */ | |
8006 | png_read_update_info (png_ptr, info_ptr); | |
8007 | ||
8008 | /* Get number of channels. Valid values are 1 for grayscale images | |
8009 | and images with a palette, 2 for grayscale images with transparency | |
8010 | information (alpha channel), 3 for RGB images, and 4 for RGB | |
8011 | images with alpha channel, i.e. RGBA. If conversions above were | |
8012 | sufficient we should only have 3 or 4 channels here. */ | |
8013 | channels = png_get_channels (png_ptr, info_ptr); | |
8014 | xassert (channels == 3 || channels == 4); | |
8015 | ||
8016 | /* Number of bytes needed for one row of the image. */ | |
8017 | row_bytes = png_get_rowbytes (png_ptr, info_ptr); | |
8018 | ||
8019 | /* Allocate memory for the image. */ | |
8020 | pixels = (png_byte *) xmalloc (row_bytes * height * sizeof *pixels); | |
8021 | rows = (png_byte **) xmalloc (height * sizeof *rows); | |
8022 | for (i = 0; i < height; ++i) | |
8023 | rows[i] = pixels + i * row_bytes; | |
8024 | ||
8025 | /* Read the entire image. */ | |
8026 | png_read_image (png_ptr, rows); | |
8027 | png_read_end (png_ptr, info_ptr); | |
5ad6a5fb GM |
8028 | if (fp) |
8029 | { | |
8030 | fclose (fp); | |
8031 | fp = NULL; | |
8032 | } | |
177c0ea7 | 8033 | |
333b20bb | 8034 | /* Create the X image and pixmap. */ |
45158a91 | 8035 | if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, |
333b20bb | 8036 | &img->pixmap)) |
28c7826c | 8037 | goto error; |
177c0ea7 | 8038 | |
333b20bb GM |
8039 | /* Create an image and pixmap serving as mask if the PNG image |
8040 | contains an alpha channel. */ | |
8041 | if (channels == 4 | |
8042 | && !transparent_p | |
45158a91 | 8043 | && !x_create_x_image_and_pixmap (f, width, height, 1, |
333b20bb GM |
8044 | &mask_img, &img->mask)) |
8045 | { | |
8046 | x_destroy_x_image (ximg); | |
8047 | XFreePixmap (FRAME_X_DISPLAY (f), img->pixmap); | |
dd00328a | 8048 | img->pixmap = None; |
333b20bb GM |
8049 | goto error; |
8050 | } | |
8051 | ||
8052 | /* Fill the X image and mask from PNG data. */ | |
8053 | init_color_table (); | |
8054 | ||
8055 | for (y = 0; y < height; ++y) | |
8056 | { | |
8057 | png_byte *p = rows[y]; | |
8058 | ||
8059 | for (x = 0; x < width; ++x) | |
8060 | { | |
8061 | unsigned r, g, b; | |
8062 | ||
8063 | r = *p++ << 8; | |
8064 | g = *p++ << 8; | |
8065 | b = *p++ << 8; | |
8066 | XPutPixel (ximg, x, y, lookup_rgb_color (f, r, g, b)); | |
8067 | ||
8068 | /* An alpha channel, aka mask channel, associates variable | |
177c0ea7 JB |
8069 | transparency with an image. Where other image formats |
8070 | support binary transparency---fully transparent or fully | |
333b20bb GM |
8071 | opaque---PNG allows up to 254 levels of partial transparency. |
8072 | The PNG library implements partial transparency by combining | |
8073 | the image with a specified background color. | |
8074 | ||
8075 | I'm not sure how to handle this here nicely: because the | |
8076 | background on which the image is displayed may change, for | |
177c0ea7 JB |
8077 | real alpha channel support, it would be necessary to create |
8078 | a new image for each possible background. | |
333b20bb GM |
8079 | |
8080 | What I'm doing now is that a mask is created if we have | |
8081 | boolean transparency information. Otherwise I'm using | |
8082 | the frame's background color to combine the image with. */ | |
8083 | ||
8084 | if (channels == 4) | |
8085 | { | |
8086 | if (mask_img) | |
8087 | XPutPixel (mask_img, x, y, *p > 0); | |
8088 | ++p; | |
8089 | } | |
8090 | } | |
8091 | } | |
8092 | ||
f20a3b7a MB |
8093 | if (NILP (image_spec_value (img->spec, QCbackground, NULL))) |
8094 | /* Set IMG's background color from the PNG image, unless the user | |
8095 | overrode it. */ | |
8096 | { | |
8097 | png_color_16 *bg; | |
8098 | if (png_get_bKGD (png_ptr, info_ptr, &bg)) | |
8099 | { | |
f2f0a644 | 8100 | img->background = lookup_rgb_color (f, bg->red, bg->green, bg->blue); |
f20a3b7a MB |
8101 | img->background_valid = 1; |
8102 | } | |
8103 | } | |
8104 | ||
333b20bb GM |
8105 | /* Remember colors allocated for this image. */ |
8106 | img->colors = colors_in_color_table (&img->ncolors); | |
8107 | free_color_table (); | |
8108 | ||
8109 | /* Clean up. */ | |
8110 | png_destroy_read_struct (&png_ptr, &info_ptr, &end_info); | |
8111 | xfree (rows); | |
8112 | xfree (pixels); | |
8113 | ||
8114 | img->width = width; | |
8115 | img->height = height; | |
8116 | ||
f20a3b7a MB |
8117 | /* Maybe fill in the background field while we have ximg handy. */ |
8118 | IMAGE_BACKGROUND (img, f, ximg); | |
8119 | ||
333b20bb GM |
8120 | /* Put the image into the pixmap, then free the X image and its buffer. */ |
8121 | x_put_x_image (f, ximg, img->pixmap, width, height); | |
8122 | x_destroy_x_image (ximg); | |
8123 | ||
8124 | /* Same for the mask. */ | |
8125 | if (mask_img) | |
8126 | { | |
f20a3b7a MB |
8127 | /* Fill in the background_transparent field while we have the mask |
8128 | handy. */ | |
8129 | image_background_transparent (img, f, mask_img); | |
8130 | ||
333b20bb GM |
8131 | x_put_x_image (f, mask_img, img->mask, img->width, img->height); |
8132 | x_destroy_x_image (mask_img); | |
8133 | } | |
8134 | ||
333b20bb GM |
8135 | UNGCPRO; |
8136 | return 1; | |
8137 | } | |
8138 | ||
8139 | #endif /* HAVE_PNG != 0 */ | |
8140 | ||
8141 | ||
8142 | \f | |
8143 | /*********************************************************************** | |
8144 | JPEG | |
8145 | ***********************************************************************/ | |
8146 | ||
8147 | #if HAVE_JPEG | |
8148 | ||
ba06aba4 GM |
8149 | /* Work around a warning about HAVE_STDLIB_H being redefined in |
8150 | jconfig.h. */ | |
8151 | #ifdef HAVE_STDLIB_H | |
8152 | #define HAVE_STDLIB_H_1 | |
8153 | #undef HAVE_STDLIB_H | |
8154 | #endif /* HAVE_STLIB_H */ | |
8155 | ||
333b20bb GM |
8156 | #include <jpeglib.h> |
8157 | #include <jerror.h> | |
8158 | #include <setjmp.h> | |
8159 | ||
ba06aba4 GM |
8160 | #ifdef HAVE_STLIB_H_1 |
8161 | #define HAVE_STDLIB_H 1 | |
8162 | #endif | |
8163 | ||
333b20bb GM |
8164 | static int jpeg_image_p P_ ((Lisp_Object object)); |
8165 | static int jpeg_load P_ ((struct frame *f, struct image *img)); | |
8166 | ||
8167 | /* The symbol `jpeg' identifying images of this type. */ | |
8168 | ||
8169 | Lisp_Object Qjpeg; | |
8170 | ||
8171 | /* Indices of image specification fields in gs_format, below. */ | |
8172 | ||
8173 | enum jpeg_keyword_index | |
8174 | { | |
8175 | JPEG_TYPE, | |
8e39770a | 8176 | JPEG_DATA, |
333b20bb GM |
8177 | JPEG_FILE, |
8178 | JPEG_ASCENT, | |
8179 | JPEG_MARGIN, | |
8180 | JPEG_RELIEF, | |
8181 | JPEG_ALGORITHM, | |
8182 | JPEG_HEURISTIC_MASK, | |
4a8e312c | 8183 | JPEG_MASK, |
f20a3b7a | 8184 | JPEG_BACKGROUND, |
333b20bb GM |
8185 | JPEG_LAST |
8186 | }; | |
8187 | ||
8188 | /* Vector of image_keyword structures describing the format | |
8189 | of valid user-defined image specifications. */ | |
8190 | ||
8191 | static struct image_keyword jpeg_format[JPEG_LAST] = | |
8192 | { | |
8193 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
5ad6a5fb | 8194 | {":data", IMAGE_STRING_VALUE, 0}, |
8e39770a | 8195 | {":file", IMAGE_STRING_VALUE, 0}, |
7c7ff7f5 | 8196 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
3ed61e75 | 8197 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
333b20bb | 8198 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
d2dc8167 | 8199 | {":conversions", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
4a8e312c | 8200 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
f20a3b7a MB |
8201 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
8202 | {":background", IMAGE_STRING_OR_NIL_VALUE, 0} | |
333b20bb GM |
8203 | }; |
8204 | ||
8205 | /* Structure describing the image type `jpeg'. */ | |
8206 | ||
8207 | static struct image_type jpeg_type = | |
8208 | { | |
8209 | &Qjpeg, | |
8210 | jpeg_image_p, | |
8211 | jpeg_load, | |
8212 | x_clear_image, | |
8213 | NULL | |
8214 | }; | |
8215 | ||
8216 | ||
8217 | /* Return non-zero if OBJECT is a valid JPEG image specification. */ | |
8218 | ||
8219 | static int | |
8220 | jpeg_image_p (object) | |
8221 | Lisp_Object object; | |
8222 | { | |
8223 | struct image_keyword fmt[JPEG_LAST]; | |
177c0ea7 | 8224 | |
333b20bb | 8225 | bcopy (jpeg_format, fmt, sizeof fmt); |
177c0ea7 | 8226 | |
7c7ff7f5 | 8227 | if (!parse_image_spec (object, fmt, JPEG_LAST, Qjpeg)) |
333b20bb | 8228 | return 0; |
8e39770a | 8229 | |
63cec32f GM |
8230 | /* Must specify either the :data or :file keyword. */ |
8231 | return fmt[JPEG_FILE].count + fmt[JPEG_DATA].count == 1; | |
333b20bb GM |
8232 | } |
8233 | ||
8e39770a | 8234 | |
333b20bb GM |
8235 | struct my_jpeg_error_mgr |
8236 | { | |
8237 | struct jpeg_error_mgr pub; | |
8238 | jmp_buf setjmp_buffer; | |
8239 | }; | |
8240 | ||
e3130015 | 8241 | |
333b20bb GM |
8242 | static void |
8243 | my_error_exit (cinfo) | |
8244 | j_common_ptr cinfo; | |
8245 | { | |
8246 | struct my_jpeg_error_mgr *mgr = (struct my_jpeg_error_mgr *) cinfo->err; | |
8247 | longjmp (mgr->setjmp_buffer, 1); | |
8248 | } | |
8249 | ||
e3130015 | 8250 | |
8e39770a GM |
8251 | /* Init source method for JPEG data source manager. Called by |
8252 | jpeg_read_header() before any data is actually read. See | |
8253 | libjpeg.doc from the JPEG lib distribution. */ | |
8254 | ||
8255 | static void | |
8256 | our_init_source (cinfo) | |
8257 | j_decompress_ptr cinfo; | |
8258 | { | |
8259 | } | |
8260 | ||
8261 | ||
8262 | /* Fill input buffer method for JPEG data source manager. Called | |
8263 | whenever more data is needed. We read the whole image in one step, | |
8264 | so this only adds a fake end of input marker at the end. */ | |
8265 | ||
8266 | static boolean | |
8267 | our_fill_input_buffer (cinfo) | |
8268 | j_decompress_ptr cinfo; | |
8269 | { | |
8270 | /* Insert a fake EOI marker. */ | |
8271 | struct jpeg_source_mgr *src = cinfo->src; | |
8272 | static JOCTET buffer[2]; | |
8273 | ||
8274 | buffer[0] = (JOCTET) 0xFF; | |
8275 | buffer[1] = (JOCTET) JPEG_EOI; | |
8276 | ||
8277 | src->next_input_byte = buffer; | |
8278 | src->bytes_in_buffer = 2; | |
8279 | return TRUE; | |
8280 | } | |
8281 | ||
8282 | ||
8283 | /* Method to skip over NUM_BYTES bytes in the image data. CINFO->src | |
8284 | is the JPEG data source manager. */ | |
8285 | ||
8286 | static void | |
8287 | our_skip_input_data (cinfo, num_bytes) | |
8288 | j_decompress_ptr cinfo; | |
8289 | long num_bytes; | |
8290 | { | |
8291 | struct jpeg_source_mgr *src = (struct jpeg_source_mgr *) cinfo->src; | |
8292 | ||
8293 | if (src) | |
8294 | { | |
8295 | if (num_bytes > src->bytes_in_buffer) | |
5ad6a5fb | 8296 | ERREXIT (cinfo, JERR_INPUT_EOF); |
177c0ea7 | 8297 | |
8e39770a GM |
8298 | src->bytes_in_buffer -= num_bytes; |
8299 | src->next_input_byte += num_bytes; | |
8300 | } | |
8301 | } | |
8302 | ||
8303 | ||
8304 | /* Method to terminate data source. Called by | |
8305 | jpeg_finish_decompress() after all data has been processed. */ | |
8306 | ||
8307 | static void | |
8308 | our_term_source (cinfo) | |
8309 | j_decompress_ptr cinfo; | |
8310 | { | |
8311 | } | |
8312 | ||
8313 | ||
8314 | /* Set up the JPEG lib for reading an image from DATA which contains | |
8315 | LEN bytes. CINFO is the decompression info structure created for | |
8316 | reading the image. */ | |
8317 | ||
8318 | static void | |
8319 | jpeg_memory_src (cinfo, data, len) | |
8320 | j_decompress_ptr cinfo; | |
8321 | JOCTET *data; | |
8322 | unsigned int len; | |
8323 | { | |
8324 | struct jpeg_source_mgr *src; | |
8325 | ||
8326 | if (cinfo->src == NULL) | |
8327 | { | |
8328 | /* First time for this JPEG object? */ | |
8329 | cinfo->src = (struct jpeg_source_mgr *) | |
8330 | (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT, | |
8331 | sizeof (struct jpeg_source_mgr)); | |
8332 | src = (struct jpeg_source_mgr *) cinfo->src; | |
8333 | src->next_input_byte = data; | |
8334 | } | |
177c0ea7 | 8335 | |
8e39770a GM |
8336 | src = (struct jpeg_source_mgr *) cinfo->src; |
8337 | src->init_source = our_init_source; | |
8338 | src->fill_input_buffer = our_fill_input_buffer; | |
8339 | src->skip_input_data = our_skip_input_data; | |
8340 | src->resync_to_restart = jpeg_resync_to_restart; /* Use default method. */ | |
8341 | src->term_source = our_term_source; | |
8342 | src->bytes_in_buffer = len; | |
8343 | src->next_input_byte = data; | |
8344 | } | |
8345 | ||
5ad6a5fb | 8346 | |
333b20bb GM |
8347 | /* Load image IMG for use on frame F. Patterned after example.c |
8348 | from the JPEG lib. */ | |
8349 | ||
177c0ea7 | 8350 | static int |
333b20bb GM |
8351 | jpeg_load (f, img) |
8352 | struct frame *f; | |
8353 | struct image *img; | |
8354 | { | |
8355 | struct jpeg_decompress_struct cinfo; | |
8356 | struct my_jpeg_error_mgr mgr; | |
8357 | Lisp_Object file, specified_file; | |
8e39770a | 8358 | Lisp_Object specified_data; |
8ec8a5ec | 8359 | FILE * volatile fp = NULL; |
333b20bb GM |
8360 | JSAMPARRAY buffer; |
8361 | int row_stride, x, y; | |
8362 | XImage *ximg = NULL; | |
b6d7acec | 8363 | int rc; |
333b20bb GM |
8364 | unsigned long *colors; |
8365 | int width, height; | |
8366 | struct gcpro gcpro1; | |
8367 | ||
8368 | /* Open the JPEG file. */ | |
8369 | specified_file = image_spec_value (img->spec, QCfile, NULL); | |
8e39770a | 8370 | specified_data = image_spec_value (img->spec, QCdata, NULL); |
5ad6a5fb GM |
8371 | file = Qnil; |
8372 | GCPRO1 (file); | |
8e39770a | 8373 | |
8e39770a | 8374 | if (NILP (specified_data)) |
333b20bb | 8375 | { |
8e39770a | 8376 | file = x_find_image_file (specified_file); |
8e39770a GM |
8377 | if (!STRINGP (file)) |
8378 | { | |
45158a91 | 8379 | image_error ("Cannot find image file `%s'", specified_file, Qnil); |
8e39770a GM |
8380 | UNGCPRO; |
8381 | return 0; | |
8382 | } | |
177c0ea7 | 8383 | |
d5db4077 | 8384 | fp = fopen (SDATA (file), "r"); |
8e39770a GM |
8385 | if (fp == NULL) |
8386 | { | |
8387 | image_error ("Cannot open `%s'", file, Qnil); | |
8388 | UNGCPRO; | |
8389 | return 0; | |
8390 | } | |
333b20bb GM |
8391 | } |
8392 | ||
5ad6a5fb GM |
8393 | /* Customize libjpeg's error handling to call my_error_exit when an |
8394 | error is detected. This function will perform a longjmp. */ | |
333b20bb | 8395 | cinfo.err = jpeg_std_error (&mgr.pub); |
14358466 | 8396 | mgr.pub.error_exit = my_error_exit; |
177c0ea7 | 8397 | |
333b20bb GM |
8398 | if ((rc = setjmp (mgr.setjmp_buffer)) != 0) |
8399 | { | |
5ad6a5fb GM |
8400 | if (rc == 1) |
8401 | { | |
8402 | /* Called from my_error_exit. Display a JPEG error. */ | |
8403 | char buffer[JMSG_LENGTH_MAX]; | |
8404 | cinfo.err->format_message ((j_common_ptr) &cinfo, buffer); | |
45158a91 | 8405 | image_error ("Error reading JPEG image `%s': %s", img->spec, |
5ad6a5fb GM |
8406 | build_string (buffer)); |
8407 | } | |
177c0ea7 | 8408 | |
333b20bb | 8409 | /* Close the input file and destroy the JPEG object. */ |
5ad6a5fb | 8410 | if (fp) |
8ec8a5ec | 8411 | fclose ((FILE *) fp); |
333b20bb GM |
8412 | jpeg_destroy_decompress (&cinfo); |
8413 | ||
5ad6a5fb GM |
8414 | /* If we already have an XImage, free that. */ |
8415 | x_destroy_x_image (ximg); | |
333b20bb | 8416 | |
5ad6a5fb GM |
8417 | /* Free pixmap and colors. */ |
8418 | x_clear_image (f, img); | |
177c0ea7 | 8419 | |
5ad6a5fb GM |
8420 | UNGCPRO; |
8421 | return 0; | |
333b20bb GM |
8422 | } |
8423 | ||
8424 | /* Create the JPEG decompression object. Let it read from fp. | |
63448a4d | 8425 | Read the JPEG image header. */ |
333b20bb | 8426 | jpeg_create_decompress (&cinfo); |
8e39770a GM |
8427 | |
8428 | if (NILP (specified_data)) | |
8ec8a5ec | 8429 | jpeg_stdio_src (&cinfo, (FILE *) fp); |
8e39770a | 8430 | else |
d5db4077 KR |
8431 | jpeg_memory_src (&cinfo, SDATA (specified_data), |
8432 | SBYTES (specified_data)); | |
63448a4d | 8433 | |
333b20bb GM |
8434 | jpeg_read_header (&cinfo, TRUE); |
8435 | ||
8436 | /* Customize decompression so that color quantization will be used. | |
63448a4d | 8437 | Start decompression. */ |
333b20bb GM |
8438 | cinfo.quantize_colors = TRUE; |
8439 | jpeg_start_decompress (&cinfo); | |
8440 | width = img->width = cinfo.output_width; | |
8441 | height = img->height = cinfo.output_height; | |
8442 | ||
333b20bb | 8443 | /* Create X image and pixmap. */ |
45158a91 | 8444 | if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap)) |
28c7826c | 8445 | longjmp (mgr.setjmp_buffer, 2); |
333b20bb GM |
8446 | |
8447 | /* Allocate colors. When color quantization is used, | |
5ad6a5fb GM |
8448 | cinfo.actual_number_of_colors has been set with the number of |
8449 | colors generated, and cinfo.colormap is a two-dimensional array | |
8450 | of color indices in the range 0..cinfo.actual_number_of_colors. | |
8451 | No more than 255 colors will be generated. */ | |
333b20bb | 8452 | { |
5ad6a5fb GM |
8453 | int i, ir, ig, ib; |
8454 | ||
8455 | if (cinfo.out_color_components > 2) | |
8456 | ir = 0, ig = 1, ib = 2; | |
8457 | else if (cinfo.out_color_components > 1) | |
8458 | ir = 0, ig = 1, ib = 0; | |
8459 | else | |
8460 | ir = 0, ig = 0, ib = 0; | |
8461 | ||
8462 | /* Use the color table mechanism because it handles colors that | |
8463 | cannot be allocated nicely. Such colors will be replaced with | |
8464 | a default color, and we don't have to care about which colors | |
8465 | can be freed safely, and which can't. */ | |
8466 | init_color_table (); | |
8467 | colors = (unsigned long *) alloca (cinfo.actual_number_of_colors | |
8468 | * sizeof *colors); | |
177c0ea7 | 8469 | |
5ad6a5fb GM |
8470 | for (i = 0; i < cinfo.actual_number_of_colors; ++i) |
8471 | { | |
8472 | /* Multiply RGB values with 255 because X expects RGB values | |
8473 | in the range 0..0xffff. */ | |
8474 | int r = cinfo.colormap[ir][i] << 8; | |
8475 | int g = cinfo.colormap[ig][i] << 8; | |
8476 | int b = cinfo.colormap[ib][i] << 8; | |
8477 | colors[i] = lookup_rgb_color (f, r, g, b); | |
8478 | } | |
333b20bb | 8479 | |
5ad6a5fb GM |
8480 | /* Remember those colors actually allocated. */ |
8481 | img->colors = colors_in_color_table (&img->ncolors); | |
8482 | free_color_table (); | |
333b20bb GM |
8483 | } |
8484 | ||
8485 | /* Read pixels. */ | |
8486 | row_stride = width * cinfo.output_components; | |
8487 | buffer = cinfo.mem->alloc_sarray ((j_common_ptr) &cinfo, JPOOL_IMAGE, | |
5ad6a5fb | 8488 | row_stride, 1); |
333b20bb GM |
8489 | for (y = 0; y < height; ++y) |
8490 | { | |
5ad6a5fb GM |
8491 | jpeg_read_scanlines (&cinfo, buffer, 1); |
8492 | for (x = 0; x < cinfo.output_width; ++x) | |
8493 | XPutPixel (ximg, x, y, colors[buffer[0][x]]); | |
333b20bb GM |
8494 | } |
8495 | ||
8496 | /* Clean up. */ | |
8497 | jpeg_finish_decompress (&cinfo); | |
8498 | jpeg_destroy_decompress (&cinfo); | |
5ad6a5fb | 8499 | if (fp) |
8ec8a5ec | 8500 | fclose ((FILE *) fp); |
f20a3b7a MB |
8501 | |
8502 | /* Maybe fill in the background field while we have ximg handy. */ | |
8503 | if (NILP (image_spec_value (img->spec, QCbackground, NULL))) | |
8504 | IMAGE_BACKGROUND (img, f, ximg); | |
177c0ea7 | 8505 | |
333b20bb GM |
8506 | /* Put the image into the pixmap. */ |
8507 | x_put_x_image (f, ximg, img->pixmap, width, height); | |
8508 | x_destroy_x_image (ximg); | |
333b20bb GM |
8509 | UNGCPRO; |
8510 | return 1; | |
8511 | } | |
8512 | ||
8513 | #endif /* HAVE_JPEG */ | |
8514 | ||
8515 | ||
8516 | \f | |
8517 | /*********************************************************************** | |
8518 | TIFF | |
8519 | ***********************************************************************/ | |
8520 | ||
8521 | #if HAVE_TIFF | |
8522 | ||
cf4790ad | 8523 | #include <tiffio.h> |
333b20bb GM |
8524 | |
8525 | static int tiff_image_p P_ ((Lisp_Object object)); | |
8526 | static int tiff_load P_ ((struct frame *f, struct image *img)); | |
8527 | ||
8528 | /* The symbol `tiff' identifying images of this type. */ | |
8529 | ||
8530 | Lisp_Object Qtiff; | |
8531 | ||
8532 | /* Indices of image specification fields in tiff_format, below. */ | |
8533 | ||
8534 | enum tiff_keyword_index | |
8535 | { | |
8536 | TIFF_TYPE, | |
63448a4d | 8537 | TIFF_DATA, |
333b20bb GM |
8538 | TIFF_FILE, |
8539 | TIFF_ASCENT, | |
8540 | TIFF_MARGIN, | |
8541 | TIFF_RELIEF, | |
8542 | TIFF_ALGORITHM, | |
8543 | TIFF_HEURISTIC_MASK, | |
4a8e312c | 8544 | TIFF_MASK, |
f20a3b7a | 8545 | TIFF_BACKGROUND, |
333b20bb GM |
8546 | TIFF_LAST |
8547 | }; | |
8548 | ||
8549 | /* Vector of image_keyword structures describing the format | |
8550 | of valid user-defined image specifications. */ | |
8551 | ||
8552 | static struct image_keyword tiff_format[TIFF_LAST] = | |
8553 | { | |
8554 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
5ad6a5fb | 8555 | {":data", IMAGE_STRING_VALUE, 0}, |
63448a4d | 8556 | {":file", IMAGE_STRING_VALUE, 0}, |
7c7ff7f5 | 8557 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
3ed61e75 | 8558 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
333b20bb | 8559 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
d2dc8167 | 8560 | {":conversions", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
4a8e312c | 8561 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
f20a3b7a MB |
8562 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
8563 | {":background", IMAGE_STRING_OR_NIL_VALUE, 0} | |
333b20bb GM |
8564 | }; |
8565 | ||
8566 | /* Structure describing the image type `tiff'. */ | |
8567 | ||
8568 | static struct image_type tiff_type = | |
8569 | { | |
8570 | &Qtiff, | |
8571 | tiff_image_p, | |
8572 | tiff_load, | |
8573 | x_clear_image, | |
8574 | NULL | |
8575 | }; | |
8576 | ||
8577 | ||
8578 | /* Return non-zero if OBJECT is a valid TIFF image specification. */ | |
8579 | ||
8580 | static int | |
8581 | tiff_image_p (object) | |
8582 | Lisp_Object object; | |
8583 | { | |
8584 | struct image_keyword fmt[TIFF_LAST]; | |
8585 | bcopy (tiff_format, fmt, sizeof fmt); | |
177c0ea7 | 8586 | |
7c7ff7f5 | 8587 | if (!parse_image_spec (object, fmt, TIFF_LAST, Qtiff)) |
333b20bb | 8588 | return 0; |
177c0ea7 | 8589 | |
63cec32f GM |
8590 | /* Must specify either the :data or :file keyword. */ |
8591 | return fmt[TIFF_FILE].count + fmt[TIFF_DATA].count == 1; | |
333b20bb GM |
8592 | } |
8593 | ||
5ad6a5fb GM |
8594 | |
8595 | /* Reading from a memory buffer for TIFF images Based on the PNG | |
8596 | memory source, but we have to provide a lot of extra functions. | |
8597 | Blah. | |
63448a4d WP |
8598 | |
8599 | We really only need to implement read and seek, but I am not | |
8600 | convinced that the TIFF library is smart enough not to destroy | |
8601 | itself if we only hand it the function pointers we need to | |
5ad6a5fb GM |
8602 | override. */ |
8603 | ||
8604 | typedef struct | |
8605 | { | |
63448a4d WP |
8606 | unsigned char *bytes; |
8607 | size_t len; | |
8608 | int index; | |
5ad6a5fb GM |
8609 | } |
8610 | tiff_memory_source; | |
63448a4d | 8611 | |
e3130015 | 8612 | |
5ad6a5fb GM |
8613 | static size_t |
8614 | tiff_read_from_memory (data, buf, size) | |
8615 | thandle_t data; | |
8616 | tdata_t buf; | |
8617 | tsize_t size; | |
63448a4d | 8618 | { |
5ad6a5fb | 8619 | tiff_memory_source *src = (tiff_memory_source *) data; |
63448a4d WP |
8620 | |
8621 | if (size > src->len - src->index) | |
5ad6a5fb GM |
8622 | return (size_t) -1; |
8623 | bcopy (src->bytes + src->index, buf, size); | |
63448a4d WP |
8624 | src->index += size; |
8625 | return size; | |
8626 | } | |
8627 | ||
e3130015 | 8628 | |
5ad6a5fb GM |
8629 | static size_t |
8630 | tiff_write_from_memory (data, buf, size) | |
8631 | thandle_t data; | |
8632 | tdata_t buf; | |
8633 | tsize_t size; | |
63448a4d WP |
8634 | { |
8635 | return (size_t) -1; | |
8636 | } | |
8637 | ||
e3130015 | 8638 | |
5ad6a5fb GM |
8639 | static toff_t |
8640 | tiff_seek_in_memory (data, off, whence) | |
8641 | thandle_t data; | |
8642 | toff_t off; | |
8643 | int whence; | |
63448a4d | 8644 | { |
5ad6a5fb | 8645 | tiff_memory_source *src = (tiff_memory_source *) data; |
63448a4d WP |
8646 | int idx; |
8647 | ||
8648 | switch (whence) | |
5ad6a5fb GM |
8649 | { |
8650 | case SEEK_SET: /* Go from beginning of source. */ | |
8651 | idx = off; | |
8652 | break; | |
177c0ea7 | 8653 | |
5ad6a5fb GM |
8654 | case SEEK_END: /* Go from end of source. */ |
8655 | idx = src->len + off; | |
8656 | break; | |
177c0ea7 | 8657 | |
5ad6a5fb GM |
8658 | case SEEK_CUR: /* Go from current position. */ |
8659 | idx = src->index + off; | |
8660 | break; | |
177c0ea7 | 8661 | |
5ad6a5fb GM |
8662 | default: /* Invalid `whence'. */ |
8663 | return -1; | |
8664 | } | |
177c0ea7 | 8665 | |
5ad6a5fb GM |
8666 | if (idx > src->len || idx < 0) |
8667 | return -1; | |
177c0ea7 | 8668 | |
63448a4d WP |
8669 | src->index = idx; |
8670 | return src->index; | |
8671 | } | |
8672 | ||
e3130015 | 8673 | |
5ad6a5fb GM |
8674 | static int |
8675 | tiff_close_memory (data) | |
8676 | thandle_t data; | |
63448a4d WP |
8677 | { |
8678 | /* NOOP */ | |
5ad6a5fb | 8679 | return 0; |
63448a4d WP |
8680 | } |
8681 | ||
e3130015 | 8682 | |
5ad6a5fb GM |
8683 | static int |
8684 | tiff_mmap_memory (data, pbase, psize) | |
8685 | thandle_t data; | |
8686 | tdata_t *pbase; | |
8687 | toff_t *psize; | |
63448a4d WP |
8688 | { |
8689 | /* It is already _IN_ memory. */ | |
5ad6a5fb | 8690 | return 0; |
63448a4d WP |
8691 | } |
8692 | ||
e3130015 | 8693 | |
5ad6a5fb GM |
8694 | static void |
8695 | tiff_unmap_memory (data, base, size) | |
8696 | thandle_t data; | |
8697 | tdata_t base; | |
8698 | toff_t size; | |
63448a4d WP |
8699 | { |
8700 | /* We don't need to do this. */ | |
63448a4d WP |
8701 | } |
8702 | ||
e3130015 | 8703 | |
5ad6a5fb GM |
8704 | static toff_t |
8705 | tiff_size_of_memory (data) | |
8706 | thandle_t data; | |
63448a4d | 8707 | { |
5ad6a5fb | 8708 | return ((tiff_memory_source *) data)->len; |
63448a4d | 8709 | } |
333b20bb | 8710 | |
e3130015 | 8711 | |
c6892044 GM |
8712 | static void |
8713 | tiff_error_handler (title, format, ap) | |
8714 | const char *title, *format; | |
8715 | va_list ap; | |
8716 | { | |
8717 | char buf[512]; | |
8718 | int len; | |
177c0ea7 | 8719 | |
c6892044 GM |
8720 | len = sprintf (buf, "TIFF error: %s ", title); |
8721 | vsprintf (buf + len, format, ap); | |
8722 | add_to_log (buf, Qnil, Qnil); | |
8723 | } | |
8724 | ||
8725 | ||
8726 | static void | |
8727 | tiff_warning_handler (title, format, ap) | |
8728 | const char *title, *format; | |
8729 | va_list ap; | |
8730 | { | |
8731 | char buf[512]; | |
8732 | int len; | |
177c0ea7 | 8733 | |
c6892044 GM |
8734 | len = sprintf (buf, "TIFF warning: %s ", title); |
8735 | vsprintf (buf + len, format, ap); | |
8736 | add_to_log (buf, Qnil, Qnil); | |
8737 | } | |
8738 | ||
8739 | ||
333b20bb GM |
8740 | /* Load TIFF image IMG for use on frame F. Value is non-zero if |
8741 | successful. */ | |
8742 | ||
8743 | static int | |
8744 | tiff_load (f, img) | |
8745 | struct frame *f; | |
8746 | struct image *img; | |
8747 | { | |
8748 | Lisp_Object file, specified_file; | |
63448a4d | 8749 | Lisp_Object specified_data; |
333b20bb GM |
8750 | TIFF *tiff; |
8751 | int width, height, x, y; | |
8752 | uint32 *buf; | |
8753 | int rc; | |
8754 | XImage *ximg; | |
8755 | struct gcpro gcpro1; | |
63448a4d | 8756 | tiff_memory_source memsrc; |
333b20bb GM |
8757 | |
8758 | specified_file = image_spec_value (img->spec, QCfile, NULL); | |
63448a4d | 8759 | specified_data = image_spec_value (img->spec, QCdata, NULL); |
5ad6a5fb GM |
8760 | file = Qnil; |
8761 | GCPRO1 (file); | |
63448a4d | 8762 | |
c6892044 GM |
8763 | TIFFSetErrorHandler (tiff_error_handler); |
8764 | TIFFSetWarningHandler (tiff_warning_handler); | |
8765 | ||
63448a4d | 8766 | if (NILP (specified_data)) |
5ad6a5fb GM |
8767 | { |
8768 | /* Read from a file */ | |
8769 | file = x_find_image_file (specified_file); | |
8770 | if (!STRINGP (file)) | |
63448a4d | 8771 | { |
45158a91 | 8772 | image_error ("Cannot find image file `%s'", file, Qnil); |
5ad6a5fb GM |
8773 | UNGCPRO; |
8774 | return 0; | |
8775 | } | |
177c0ea7 | 8776 | |
5ad6a5fb | 8777 | /* Try to open the image file. */ |
d5db4077 | 8778 | tiff = TIFFOpen (SDATA (file), "r"); |
5ad6a5fb GM |
8779 | if (tiff == NULL) |
8780 | { | |
8781 | image_error ("Cannot open `%s'", file, Qnil); | |
8782 | UNGCPRO; | |
8783 | return 0; | |
63448a4d | 8784 | } |
5ad6a5fb | 8785 | } |
63448a4d | 8786 | else |
5ad6a5fb GM |
8787 | { |
8788 | /* Memory source! */ | |
d5db4077 KR |
8789 | memsrc.bytes = SDATA (specified_data); |
8790 | memsrc.len = SBYTES (specified_data); | |
5ad6a5fb GM |
8791 | memsrc.index = 0; |
8792 | ||
8793 | tiff = TIFFClientOpen ("memory_source", "r", &memsrc, | |
8794 | (TIFFReadWriteProc) tiff_read_from_memory, | |
8795 | (TIFFReadWriteProc) tiff_write_from_memory, | |
8796 | tiff_seek_in_memory, | |
8797 | tiff_close_memory, | |
8798 | tiff_size_of_memory, | |
8799 | tiff_mmap_memory, | |
8800 | tiff_unmap_memory); | |
8801 | ||
8802 | if (!tiff) | |
63448a4d | 8803 | { |
45158a91 | 8804 | image_error ("Cannot open memory source for `%s'", img->spec, Qnil); |
5ad6a5fb GM |
8805 | UNGCPRO; |
8806 | return 0; | |
63448a4d | 8807 | } |
5ad6a5fb | 8808 | } |
333b20bb GM |
8809 | |
8810 | /* Get width and height of the image, and allocate a raster buffer | |
8811 | of width x height 32-bit values. */ | |
8812 | TIFFGetField (tiff, TIFFTAG_IMAGEWIDTH, &width); | |
8813 | TIFFGetField (tiff, TIFFTAG_IMAGELENGTH, &height); | |
8814 | buf = (uint32 *) xmalloc (width * height * sizeof *buf); | |
177c0ea7 | 8815 | |
333b20bb GM |
8816 | rc = TIFFReadRGBAImage (tiff, width, height, buf, 0); |
8817 | TIFFClose (tiff); | |
8818 | if (!rc) | |
8819 | { | |
45158a91 | 8820 | image_error ("Error reading TIFF image `%s'", img->spec, Qnil); |
333b20bb GM |
8821 | xfree (buf); |
8822 | UNGCPRO; | |
8823 | return 0; | |
8824 | } | |
8825 | ||
333b20bb | 8826 | /* Create the X image and pixmap. */ |
45158a91 | 8827 | if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap)) |
333b20bb | 8828 | { |
333b20bb GM |
8829 | xfree (buf); |
8830 | UNGCPRO; | |
8831 | return 0; | |
8832 | } | |
8833 | ||
8834 | /* Initialize the color table. */ | |
8835 | init_color_table (); | |
8836 | ||
8837 | /* Process the pixel raster. Origin is in the lower-left corner. */ | |
8838 | for (y = 0; y < height; ++y) | |
8839 | { | |
8840 | uint32 *row = buf + y * width; | |
177c0ea7 | 8841 | |
333b20bb GM |
8842 | for (x = 0; x < width; ++x) |
8843 | { | |
8844 | uint32 abgr = row[x]; | |
8845 | int r = TIFFGetR (abgr) << 8; | |
8846 | int g = TIFFGetG (abgr) << 8; | |
8847 | int b = TIFFGetB (abgr) << 8; | |
177c0ea7 | 8848 | XPutPixel (ximg, x, height - 1 - y, lookup_rgb_color (f, r, g, b)); |
333b20bb GM |
8849 | } |
8850 | } | |
8851 | ||
8852 | /* Remember the colors allocated for the image. Free the color table. */ | |
8853 | img->colors = colors_in_color_table (&img->ncolors); | |
8854 | free_color_table (); | |
177c0ea7 | 8855 | |
f20a3b7a MB |
8856 | img->width = width; |
8857 | img->height = height; | |
8858 | ||
8859 | /* Maybe fill in the background field while we have ximg handy. */ | |
8860 | if (NILP (image_spec_value (img->spec, QCbackground, NULL))) | |
8861 | IMAGE_BACKGROUND (img, f, ximg); | |
333b20bb GM |
8862 | |
8863 | /* Put the image into the pixmap, then free the X image and its buffer. */ | |
8864 | x_put_x_image (f, ximg, img->pixmap, width, height); | |
8865 | x_destroy_x_image (ximg); | |
8866 | xfree (buf); | |
333b20bb GM |
8867 | |
8868 | UNGCPRO; | |
8869 | return 1; | |
8870 | } | |
8871 | ||
8872 | #endif /* HAVE_TIFF != 0 */ | |
8873 | ||
8874 | ||
8875 | \f | |
8876 | /*********************************************************************** | |
8877 | GIF | |
8878 | ***********************************************************************/ | |
8879 | ||
8880 | #if HAVE_GIF | |
8881 | ||
8882 | #include <gif_lib.h> | |
8883 | ||
8884 | static int gif_image_p P_ ((Lisp_Object object)); | |
8885 | static int gif_load P_ ((struct frame *f, struct image *img)); | |
8886 | ||
8887 | /* The symbol `gif' identifying images of this type. */ | |
8888 | ||
8889 | Lisp_Object Qgif; | |
8890 | ||
8891 | /* Indices of image specification fields in gif_format, below. */ | |
8892 | ||
8893 | enum gif_keyword_index | |
8894 | { | |
8895 | GIF_TYPE, | |
63448a4d | 8896 | GIF_DATA, |
333b20bb GM |
8897 | GIF_FILE, |
8898 | GIF_ASCENT, | |
8899 | GIF_MARGIN, | |
8900 | GIF_RELIEF, | |
8901 | GIF_ALGORITHM, | |
8902 | GIF_HEURISTIC_MASK, | |
4a8e312c | 8903 | GIF_MASK, |
333b20bb | 8904 | GIF_IMAGE, |
f20a3b7a | 8905 | GIF_BACKGROUND, |
333b20bb GM |
8906 | GIF_LAST |
8907 | }; | |
8908 | ||
8909 | /* Vector of image_keyword structures describing the format | |
8910 | of valid user-defined image specifications. */ | |
8911 | ||
8912 | static struct image_keyword gif_format[GIF_LAST] = | |
8913 | { | |
8914 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
5ad6a5fb | 8915 | {":data", IMAGE_STRING_VALUE, 0}, |
63448a4d | 8916 | {":file", IMAGE_STRING_VALUE, 0}, |
7c7ff7f5 | 8917 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
3ed61e75 | 8918 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
333b20bb | 8919 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
d2dc8167 | 8920 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
333b20bb | 8921 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
4a8e312c | 8922 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
f2f0a644 | 8923 | {":image", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0}, |
f20a3b7a | 8924 | {":background", IMAGE_STRING_OR_NIL_VALUE, 0} |
333b20bb GM |
8925 | }; |
8926 | ||
8927 | /* Structure describing the image type `gif'. */ | |
8928 | ||
8929 | static struct image_type gif_type = | |
8930 | { | |
8931 | &Qgif, | |
8932 | gif_image_p, | |
8933 | gif_load, | |
8934 | x_clear_image, | |
8935 | NULL | |
8936 | }; | |
8937 | ||
e3130015 | 8938 | |
333b20bb GM |
8939 | /* Return non-zero if OBJECT is a valid GIF image specification. */ |
8940 | ||
8941 | static int | |
8942 | gif_image_p (object) | |
8943 | Lisp_Object object; | |
8944 | { | |
8945 | struct image_keyword fmt[GIF_LAST]; | |
8946 | bcopy (gif_format, fmt, sizeof fmt); | |
177c0ea7 | 8947 | |
7c7ff7f5 | 8948 | if (!parse_image_spec (object, fmt, GIF_LAST, Qgif)) |
333b20bb | 8949 | return 0; |
177c0ea7 | 8950 | |
63cec32f GM |
8951 | /* Must specify either the :data or :file keyword. */ |
8952 | return fmt[GIF_FILE].count + fmt[GIF_DATA].count == 1; | |
333b20bb GM |
8953 | } |
8954 | ||
e3130015 | 8955 | |
63448a4d WP |
8956 | /* Reading a GIF image from memory |
8957 | Based on the PNG memory stuff to a certain extent. */ | |
8958 | ||
5ad6a5fb GM |
8959 | typedef struct |
8960 | { | |
63448a4d WP |
8961 | unsigned char *bytes; |
8962 | size_t len; | |
8963 | int index; | |
5ad6a5fb GM |
8964 | } |
8965 | gif_memory_source; | |
63448a4d | 8966 | |
e3130015 | 8967 | |
f036834a GM |
8968 | /* Make the current memory source available to gif_read_from_memory. |
8969 | It's done this way because not all versions of libungif support | |
8970 | a UserData field in the GifFileType structure. */ | |
8971 | static gif_memory_source *current_gif_memory_src; | |
8972 | ||
5ad6a5fb GM |
8973 | static int |
8974 | gif_read_from_memory (file, buf, len) | |
8975 | GifFileType *file; | |
8976 | GifByteType *buf; | |
8977 | int len; | |
63448a4d | 8978 | { |
f036834a | 8979 | gif_memory_source *src = current_gif_memory_src; |
63448a4d | 8980 | |
5ad6a5fb GM |
8981 | if (len > src->len - src->index) |
8982 | return -1; | |
63448a4d | 8983 | |
5ad6a5fb | 8984 | bcopy (src->bytes + src->index, buf, len); |
63448a4d WP |
8985 | src->index += len; |
8986 | return len; | |
8987 | } | |
333b20bb | 8988 | |
5ad6a5fb | 8989 | |
333b20bb GM |
8990 | /* Load GIF image IMG for use on frame F. Value is non-zero if |
8991 | successful. */ | |
8992 | ||
8993 | static int | |
8994 | gif_load (f, img) | |
8995 | struct frame *f; | |
8996 | struct image *img; | |
8997 | { | |
8998 | Lisp_Object file, specified_file; | |
63448a4d | 8999 | Lisp_Object specified_data; |
333b20bb GM |
9000 | int rc, width, height, x, y, i; |
9001 | XImage *ximg; | |
9002 | ColorMapObject *gif_color_map; | |
9003 | unsigned long pixel_colors[256]; | |
9004 | GifFileType *gif; | |
9005 | struct gcpro gcpro1; | |
9006 | Lisp_Object image; | |
9007 | int ino, image_left, image_top, image_width, image_height; | |
63448a4d | 9008 | gif_memory_source memsrc; |
9b784e96 | 9009 | unsigned char *raster; |
333b20bb GM |
9010 | |
9011 | specified_file = image_spec_value (img->spec, QCfile, NULL); | |
63448a4d | 9012 | specified_data = image_spec_value (img->spec, QCdata, NULL); |
5ad6a5fb GM |
9013 | file = Qnil; |
9014 | GCPRO1 (file); | |
63448a4d WP |
9015 | |
9016 | if (NILP (specified_data)) | |
5ad6a5fb GM |
9017 | { |
9018 | file = x_find_image_file (specified_file); | |
9019 | if (!STRINGP (file)) | |
63448a4d | 9020 | { |
45158a91 | 9021 | image_error ("Cannot find image file `%s'", specified_file, Qnil); |
5ad6a5fb GM |
9022 | UNGCPRO; |
9023 | return 0; | |
9024 | } | |
177c0ea7 | 9025 | |
5ad6a5fb | 9026 | /* Open the GIF file. */ |
d5db4077 | 9027 | gif = DGifOpenFileName (SDATA (file)); |
5ad6a5fb GM |
9028 | if (gif == NULL) |
9029 | { | |
9030 | image_error ("Cannot open `%s'", file, Qnil); | |
9031 | UNGCPRO; | |
9032 | return 0; | |
63448a4d | 9033 | } |
5ad6a5fb | 9034 | } |
63448a4d | 9035 | else |
5ad6a5fb GM |
9036 | { |
9037 | /* Read from memory! */ | |
f036834a | 9038 | current_gif_memory_src = &memsrc; |
d5db4077 KR |
9039 | memsrc.bytes = SDATA (specified_data); |
9040 | memsrc.len = SBYTES (specified_data); | |
5ad6a5fb | 9041 | memsrc.index = 0; |
63448a4d | 9042 | |
5ad6a5fb GM |
9043 | gif = DGifOpen(&memsrc, gif_read_from_memory); |
9044 | if (!gif) | |
9045 | { | |
45158a91 | 9046 | image_error ("Cannot open memory source `%s'", img->spec, Qnil); |
5ad6a5fb GM |
9047 | UNGCPRO; |
9048 | return 0; | |
63448a4d | 9049 | } |
5ad6a5fb | 9050 | } |
333b20bb GM |
9051 | |
9052 | /* Read entire contents. */ | |
9053 | rc = DGifSlurp (gif); | |
9054 | if (rc == GIF_ERROR) | |
9055 | { | |
45158a91 | 9056 | image_error ("Error reading `%s'", img->spec, Qnil); |
333b20bb GM |
9057 | DGifCloseFile (gif); |
9058 | UNGCPRO; | |
9059 | return 0; | |
9060 | } | |
9061 | ||
3ccff1e3 | 9062 | image = image_spec_value (img->spec, QCindex, NULL); |
333b20bb GM |
9063 | ino = INTEGERP (image) ? XFASTINT (image) : 0; |
9064 | if (ino >= gif->ImageCount) | |
9065 | { | |
45158a91 GM |
9066 | image_error ("Invalid image number `%s' in image `%s'", |
9067 | image, img->spec); | |
333b20bb GM |
9068 | DGifCloseFile (gif); |
9069 | UNGCPRO; | |
9070 | return 0; | |
9071 | } | |
9072 | ||
c7f07c4c PJ |
9073 | width = img->width = max (gif->SWidth, gif->Image.Left + gif->Image.Width); |
9074 | height = img->height = max (gif->SHeight, gif->Image.Top + gif->Image.Height); | |
333b20bb | 9075 | |
333b20bb | 9076 | /* Create the X image and pixmap. */ |
45158a91 | 9077 | if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap)) |
333b20bb | 9078 | { |
333b20bb GM |
9079 | DGifCloseFile (gif); |
9080 | UNGCPRO; | |
9081 | return 0; | |
9082 | } | |
177c0ea7 | 9083 | |
333b20bb GM |
9084 | /* Allocate colors. */ |
9085 | gif_color_map = gif->SavedImages[ino].ImageDesc.ColorMap; | |
9086 | if (!gif_color_map) | |
9087 | gif_color_map = gif->SColorMap; | |
9088 | init_color_table (); | |
9089 | bzero (pixel_colors, sizeof pixel_colors); | |
177c0ea7 | 9090 | |
333b20bb GM |
9091 | for (i = 0; i < gif_color_map->ColorCount; ++i) |
9092 | { | |
9093 | int r = gif_color_map->Colors[i].Red << 8; | |
9094 | int g = gif_color_map->Colors[i].Green << 8; | |
9095 | int b = gif_color_map->Colors[i].Blue << 8; | |
9096 | pixel_colors[i] = lookup_rgb_color (f, r, g, b); | |
9097 | } | |
9098 | ||
9099 | img->colors = colors_in_color_table (&img->ncolors); | |
9100 | free_color_table (); | |
9101 | ||
9102 | /* Clear the part of the screen image that are not covered by | |
177c0ea7 | 9103 | the image from the GIF file. Full animated GIF support |
333b20bb GM |
9104 | requires more than can be done here (see the gif89 spec, |
9105 | disposal methods). Let's simply assume that the part | |
9106 | not covered by a sub-image is in the frame's background color. */ | |
9107 | image_top = gif->SavedImages[ino].ImageDesc.Top; | |
9108 | image_left = gif->SavedImages[ino].ImageDesc.Left; | |
9109 | image_width = gif->SavedImages[ino].ImageDesc.Width; | |
9110 | image_height = gif->SavedImages[ino].ImageDesc.Height; | |
9111 | ||
9112 | for (y = 0; y < image_top; ++y) | |
9113 | for (x = 0; x < width; ++x) | |
9114 | XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); | |
9115 | ||
9116 | for (y = image_top + image_height; y < height; ++y) | |
9117 | for (x = 0; x < width; ++x) | |
9118 | XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); | |
9119 | ||
9120 | for (y = image_top; y < image_top + image_height; ++y) | |
9121 | { | |
9122 | for (x = 0; x < image_left; ++x) | |
9123 | XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); | |
9124 | for (x = image_left + image_width; x < width; ++x) | |
9125 | XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); | |
9126 | } | |
9127 | ||
9b784e96 GM |
9128 | /* Read the GIF image into the X image. We use a local variable |
9129 | `raster' here because RasterBits below is a char *, and invites | |
9130 | problems with bytes >= 0x80. */ | |
9131 | raster = (unsigned char *) gif->SavedImages[ino].RasterBits; | |
177c0ea7 | 9132 | |
333b20bb GM |
9133 | if (gif->SavedImages[ino].ImageDesc.Interlace) |
9134 | { | |
9135 | static int interlace_start[] = {0, 4, 2, 1}; | |
9136 | static int interlace_increment[] = {8, 8, 4, 2}; | |
9b207e8e | 9137 | int pass; |
06482119 GM |
9138 | int row = interlace_start[0]; |
9139 | ||
9140 | pass = 0; | |
333b20bb | 9141 | |
06482119 | 9142 | for (y = 0; y < image_height; y++) |
333b20bb | 9143 | { |
06482119 GM |
9144 | if (row >= image_height) |
9145 | { | |
9146 | row = interlace_start[++pass]; | |
9147 | while (row >= image_height) | |
9148 | row = interlace_start[++pass]; | |
9149 | } | |
177c0ea7 | 9150 | |
06482119 GM |
9151 | for (x = 0; x < image_width; x++) |
9152 | { | |
9b784e96 | 9153 | int i = raster[(y * image_width) + x]; |
06482119 GM |
9154 | XPutPixel (ximg, x + image_left, row + image_top, |
9155 | pixel_colors[i]); | |
9156 | } | |
177c0ea7 | 9157 | |
06482119 | 9158 | row += interlace_increment[pass]; |
333b20bb GM |
9159 | } |
9160 | } | |
9161 | else | |
9162 | { | |
9163 | for (y = 0; y < image_height; ++y) | |
9164 | for (x = 0; x < image_width; ++x) | |
9165 | { | |
9b784e96 | 9166 | int i = raster[y * image_width + x]; |
333b20bb GM |
9167 | XPutPixel (ximg, x + image_left, y + image_top, pixel_colors[i]); |
9168 | } | |
9169 | } | |
177c0ea7 | 9170 | |
333b20bb | 9171 | DGifCloseFile (gif); |
f20a3b7a MB |
9172 | |
9173 | /* Maybe fill in the background field while we have ximg handy. */ | |
9174 | if (NILP (image_spec_value (img->spec, QCbackground, NULL))) | |
9175 | IMAGE_BACKGROUND (img, f, ximg); | |
177c0ea7 | 9176 | |
333b20bb GM |
9177 | /* Put the image into the pixmap, then free the X image and its buffer. */ |
9178 | x_put_x_image (f, ximg, img->pixmap, width, height); | |
9179 | x_destroy_x_image (ximg); | |
177c0ea7 | 9180 | |
333b20bb GM |
9181 | UNGCPRO; |
9182 | return 1; | |
9183 | } | |
9184 | ||
9185 | #endif /* HAVE_GIF != 0 */ | |
9186 | ||
9187 | ||
9188 | \f | |
9189 | /*********************************************************************** | |
9190 | Ghostscript | |
9191 | ***********************************************************************/ | |
9192 | ||
9193 | static int gs_image_p P_ ((Lisp_Object object)); | |
9194 | static int gs_load P_ ((struct frame *f, struct image *img)); | |
9195 | static void gs_clear_image P_ ((struct frame *f, struct image *img)); | |
9196 | ||
fcf431dc | 9197 | /* The symbol `postscript' identifying images of this type. */ |
333b20bb | 9198 | |
fcf431dc | 9199 | Lisp_Object Qpostscript; |
333b20bb GM |
9200 | |
9201 | /* Keyword symbols. */ | |
9202 | ||
9203 | Lisp_Object QCloader, QCbounding_box, QCpt_width, QCpt_height; | |
9204 | ||
9205 | /* Indices of image specification fields in gs_format, below. */ | |
9206 | ||
9207 | enum gs_keyword_index | |
9208 | { | |
9209 | GS_TYPE, | |
9210 | GS_PT_WIDTH, | |
9211 | GS_PT_HEIGHT, | |
9212 | GS_FILE, | |
9213 | GS_LOADER, | |
9214 | GS_BOUNDING_BOX, | |
9215 | GS_ASCENT, | |
9216 | GS_MARGIN, | |
9217 | GS_RELIEF, | |
9218 | GS_ALGORITHM, | |
9219 | GS_HEURISTIC_MASK, | |
4a8e312c | 9220 | GS_MASK, |
f20a3b7a | 9221 | GS_BACKGROUND, |
333b20bb GM |
9222 | GS_LAST |
9223 | }; | |
9224 | ||
9225 | /* Vector of image_keyword structures describing the format | |
9226 | of valid user-defined image specifications. */ | |
9227 | ||
9228 | static struct image_keyword gs_format[GS_LAST] = | |
9229 | { | |
9230 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
9231 | {":pt-width", IMAGE_POSITIVE_INTEGER_VALUE, 1}, | |
9232 | {":pt-height", IMAGE_POSITIVE_INTEGER_VALUE, 1}, | |
9233 | {":file", IMAGE_STRING_VALUE, 1}, | |
9234 | {":loader", IMAGE_FUNCTION_VALUE, 0}, | |
9235 | {":bounding-box", IMAGE_DONT_CHECK_VALUE_TYPE, 1}, | |
7c7ff7f5 | 9236 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
3ed61e75 | 9237 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
333b20bb | 9238 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
d2dc8167 | 9239 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
4a8e312c | 9240 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
f20a3b7a MB |
9241 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
9242 | {":background", IMAGE_STRING_OR_NIL_VALUE, 0} | |
333b20bb GM |
9243 | }; |
9244 | ||
9245 | /* Structure describing the image type `ghostscript'. */ | |
9246 | ||
9247 | static struct image_type gs_type = | |
9248 | { | |
fcf431dc | 9249 | &Qpostscript, |
333b20bb GM |
9250 | gs_image_p, |
9251 | gs_load, | |
9252 | gs_clear_image, | |
9253 | NULL | |
9254 | }; | |
9255 | ||
9256 | ||
9257 | /* Free X resources of Ghostscript image IMG which is used on frame F. */ | |
9258 | ||
9259 | static void | |
9260 | gs_clear_image (f, img) | |
9261 | struct frame *f; | |
9262 | struct image *img; | |
9263 | { | |
9264 | /* IMG->data.ptr_val may contain a recorded colormap. */ | |
9265 | xfree (img->data.ptr_val); | |
9266 | x_clear_image (f, img); | |
9267 | } | |
9268 | ||
9269 | ||
9270 | /* Return non-zero if OBJECT is a valid Ghostscript image | |
9271 | specification. */ | |
9272 | ||
9273 | static int | |
9274 | gs_image_p (object) | |
9275 | Lisp_Object object; | |
9276 | { | |
9277 | struct image_keyword fmt[GS_LAST]; | |
9278 | Lisp_Object tem; | |
9279 | int i; | |
177c0ea7 | 9280 | |
333b20bb | 9281 | bcopy (gs_format, fmt, sizeof fmt); |
177c0ea7 | 9282 | |
7c7ff7f5 | 9283 | if (!parse_image_spec (object, fmt, GS_LAST, Qpostscript)) |
333b20bb GM |
9284 | return 0; |
9285 | ||
9286 | /* Bounding box must be a list or vector containing 4 integers. */ | |
9287 | tem = fmt[GS_BOUNDING_BOX].value; | |
9288 | if (CONSP (tem)) | |
9289 | { | |
9290 | for (i = 0; i < 4; ++i, tem = XCDR (tem)) | |
9291 | if (!CONSP (tem) || !INTEGERP (XCAR (tem))) | |
9292 | return 0; | |
9293 | if (!NILP (tem)) | |
9294 | return 0; | |
9295 | } | |
9296 | else if (VECTORP (tem)) | |
9297 | { | |
9298 | if (XVECTOR (tem)->size != 4) | |
9299 | return 0; | |
9300 | for (i = 0; i < 4; ++i) | |
9301 | if (!INTEGERP (XVECTOR (tem)->contents[i])) | |
9302 | return 0; | |
9303 | } | |
9304 | else | |
9305 | return 0; | |
9306 | ||
9307 | return 1; | |
9308 | } | |
9309 | ||
9310 | ||
9311 | /* Load Ghostscript image IMG for use on frame F. Value is non-zero | |
9312 | if successful. */ | |
9313 | ||
9314 | static int | |
9315 | gs_load (f, img) | |
9316 | struct frame *f; | |
9317 | struct image *img; | |
9318 | { | |
9319 | char buffer[100]; | |
9320 | Lisp_Object window_and_pixmap_id = Qnil, loader, pt_height, pt_width; | |
9321 | struct gcpro gcpro1, gcpro2; | |
9322 | Lisp_Object frame; | |
9323 | double in_width, in_height; | |
9324 | Lisp_Object pixel_colors = Qnil; | |
9325 | ||
9326 | /* Compute pixel size of pixmap needed from the given size in the | |
9327 | image specification. Sizes in the specification are in pt. 1 pt | |
9328 | = 1/72 in, xdpi and ydpi are stored in the frame's X display | |
9329 | info. */ | |
9330 | pt_width = image_spec_value (img->spec, QCpt_width, NULL); | |
9331 | in_width = XFASTINT (pt_width) / 72.0; | |
9332 | img->width = in_width * FRAME_X_DISPLAY_INFO (f)->resx; | |
9333 | pt_height = image_spec_value (img->spec, QCpt_height, NULL); | |
9334 | in_height = XFASTINT (pt_height) / 72.0; | |
9335 | img->height = in_height * FRAME_X_DISPLAY_INFO (f)->resy; | |
9336 | ||
9337 | /* Create the pixmap. */ | |
dd00328a | 9338 | xassert (img->pixmap == None); |
333b20bb GM |
9339 | img->pixmap = XCreatePixmap (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
9340 | img->width, img->height, | |
9341 | DefaultDepthOfScreen (FRAME_X_SCREEN (f))); | |
333b20bb GM |
9342 | |
9343 | if (!img->pixmap) | |
9344 | { | |
45158a91 | 9345 | image_error ("Unable to create pixmap for `%s'", img->spec, Qnil); |
333b20bb GM |
9346 | return 0; |
9347 | } | |
177c0ea7 | 9348 | |
333b20bb GM |
9349 | /* Call the loader to fill the pixmap. It returns a process object |
9350 | if successful. We do not record_unwind_protect here because | |
9351 | other places in redisplay like calling window scroll functions | |
9352 | don't either. Let the Lisp loader use `unwind-protect' instead. */ | |
9353 | GCPRO2 (window_and_pixmap_id, pixel_colors); | |
9354 | ||
9355 | sprintf (buffer, "%lu %lu", | |
9356 | (unsigned long) FRAME_X_WINDOW (f), | |
9357 | (unsigned long) img->pixmap); | |
9358 | window_and_pixmap_id = build_string (buffer); | |
177c0ea7 | 9359 | |
333b20bb GM |
9360 | sprintf (buffer, "%lu %lu", |
9361 | FRAME_FOREGROUND_PIXEL (f), | |
9362 | FRAME_BACKGROUND_PIXEL (f)); | |
9363 | pixel_colors = build_string (buffer); | |
177c0ea7 | 9364 | |
333b20bb GM |
9365 | XSETFRAME (frame, f); |
9366 | loader = image_spec_value (img->spec, QCloader, NULL); | |
9367 | if (NILP (loader)) | |
9368 | loader = intern ("gs-load-image"); | |
9369 | ||
9370 | img->data.lisp_val = call6 (loader, frame, img->spec, | |
9371 | make_number (img->width), | |
9372 | make_number (img->height), | |
9373 | window_and_pixmap_id, | |
9374 | pixel_colors); | |
9375 | UNGCPRO; | |
9376 | return PROCESSP (img->data.lisp_val); | |
9377 | } | |
9378 | ||
9379 | ||
9380 | /* Kill the Ghostscript process that was started to fill PIXMAP on | |
9381 | frame F. Called from XTread_socket when receiving an event | |
9382 | telling Emacs that Ghostscript has finished drawing. */ | |
9383 | ||
9384 | void | |
9385 | x_kill_gs_process (pixmap, f) | |
9386 | Pixmap pixmap; | |
9387 | struct frame *f; | |
9388 | { | |
9389 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); | |
9390 | int class, i; | |
9391 | struct image *img; | |
9392 | ||
9393 | /* Find the image containing PIXMAP. */ | |
9394 | for (i = 0; i < c->used; ++i) | |
9395 | if (c->images[i]->pixmap == pixmap) | |
9396 | break; | |
9397 | ||
daba7643 GM |
9398 | /* Should someone in between have cleared the image cache, for |
9399 | instance, give up. */ | |
9400 | if (i == c->used) | |
9401 | return; | |
177c0ea7 | 9402 | |
333b20bb GM |
9403 | /* Kill the GS process. We should have found PIXMAP in the image |
9404 | cache and its image should contain a process object. */ | |
333b20bb GM |
9405 | img = c->images[i]; |
9406 | xassert (PROCESSP (img->data.lisp_val)); | |
9407 | Fkill_process (img->data.lisp_val, Qnil); | |
9408 | img->data.lisp_val = Qnil; | |
9409 | ||
9410 | /* On displays with a mutable colormap, figure out the colors | |
9411 | allocated for the image by looking at the pixels of an XImage for | |
9412 | img->pixmap. */ | |
383d6ffc | 9413 | class = FRAME_X_VISUAL (f)->class; |
333b20bb GM |
9414 | if (class != StaticColor && class != StaticGray && class != TrueColor) |
9415 | { | |
9416 | XImage *ximg; | |
9417 | ||
9418 | BLOCK_INPUT; | |
9419 | ||
9420 | /* Try to get an XImage for img->pixmep. */ | |
9421 | ximg = XGetImage (FRAME_X_DISPLAY (f), img->pixmap, | |
9422 | 0, 0, img->width, img->height, ~0, ZPixmap); | |
9423 | if (ximg) | |
9424 | { | |
9425 | int x, y; | |
177c0ea7 | 9426 | |
333b20bb GM |
9427 | /* Initialize the color table. */ |
9428 | init_color_table (); | |
177c0ea7 | 9429 | |
333b20bb GM |
9430 | /* For each pixel of the image, look its color up in the |
9431 | color table. After having done so, the color table will | |
9432 | contain an entry for each color used by the image. */ | |
9433 | for (y = 0; y < img->height; ++y) | |
9434 | for (x = 0; x < img->width; ++x) | |
9435 | { | |
9436 | unsigned long pixel = XGetPixel (ximg, x, y); | |
9437 | lookup_pixel_color (f, pixel); | |
9438 | } | |
9439 | ||
9440 | /* Record colors in the image. Free color table and XImage. */ | |
9441 | img->colors = colors_in_color_table (&img->ncolors); | |
9442 | free_color_table (); | |
9443 | XDestroyImage (ximg); | |
9444 | ||
9445 | #if 0 /* This doesn't seem to be the case. If we free the colors | |
9446 | here, we get a BadAccess later in x_clear_image when | |
9447 | freeing the colors. */ | |
9448 | /* We have allocated colors once, but Ghostscript has also | |
9449 | allocated colors on behalf of us. So, to get the | |
9450 | reference counts right, free them once. */ | |
9451 | if (img->ncolors) | |
462d5d40 | 9452 | x_free_colors (f, img->colors, img->ncolors); |
333b20bb GM |
9453 | #endif |
9454 | } | |
9455 | else | |
9456 | image_error ("Cannot get X image of `%s'; colors will not be freed", | |
45158a91 | 9457 | img->spec, Qnil); |
177c0ea7 | 9458 | |
333b20bb GM |
9459 | UNBLOCK_INPUT; |
9460 | } | |
ad18ffb1 GM |
9461 | |
9462 | /* Now that we have the pixmap, compute mask and transform the | |
9463 | image if requested. */ | |
9464 | BLOCK_INPUT; | |
9465 | postprocess_image (f, img); | |
9466 | UNBLOCK_INPUT; | |
333b20bb GM |
9467 | } |
9468 | ||
9469 | ||
9470 | \f | |
9471 | /*********************************************************************** | |
9472 | Window properties | |
9473 | ***********************************************************************/ | |
9474 | ||
9475 | DEFUN ("x-change-window-property", Fx_change_window_property, | |
9476 | Sx_change_window_property, 2, 3, 0, | |
7ee72033 | 9477 | doc: /* Change window property PROP to VALUE on the X window of FRAME. |
c061c855 | 9478 | PROP and VALUE must be strings. FRAME nil or omitted means use the |
7ee72033 MB |
9479 | selected frame. Value is VALUE. */) |
9480 | (prop, value, frame) | |
333b20bb GM |
9481 | Lisp_Object frame, prop, value; |
9482 | { | |
9483 | struct frame *f = check_x_frame (frame); | |
9484 | Atom prop_atom; | |
9485 | ||
b7826503 PJ |
9486 | CHECK_STRING (prop); |
9487 | CHECK_STRING (value); | |
333b20bb GM |
9488 | |
9489 | BLOCK_INPUT; | |
d5db4077 | 9490 | prop_atom = XInternAtom (FRAME_X_DISPLAY (f), SDATA (prop), False); |
333b20bb GM |
9491 | XChangeProperty (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
9492 | prop_atom, XA_STRING, 8, PropModeReplace, | |
d5db4077 | 9493 | SDATA (value), SCHARS (value)); |
333b20bb GM |
9494 | |
9495 | /* Make sure the property is set when we return. */ | |
9496 | XFlush (FRAME_X_DISPLAY (f)); | |
9497 | UNBLOCK_INPUT; | |
9498 | ||
9499 | return value; | |
9500 | } | |
9501 | ||
9502 | ||
9503 | DEFUN ("x-delete-window-property", Fx_delete_window_property, | |
9504 | Sx_delete_window_property, 1, 2, 0, | |
7ee72033 MB |
9505 | doc: /* Remove window property PROP from X window of FRAME. |
9506 | FRAME nil or omitted means use the selected frame. Value is PROP. */) | |
9507 | (prop, frame) | |
333b20bb GM |
9508 | Lisp_Object prop, frame; |
9509 | { | |
9510 | struct frame *f = check_x_frame (frame); | |
9511 | Atom prop_atom; | |
9512 | ||
b7826503 | 9513 | CHECK_STRING (prop); |
333b20bb | 9514 | BLOCK_INPUT; |
d5db4077 | 9515 | prop_atom = XInternAtom (FRAME_X_DISPLAY (f), SDATA (prop), False); |
333b20bb GM |
9516 | XDeleteProperty (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), prop_atom); |
9517 | ||
9518 | /* Make sure the property is removed when we return. */ | |
9519 | XFlush (FRAME_X_DISPLAY (f)); | |
9520 | UNBLOCK_INPUT; | |
9521 | ||
9522 | return prop; | |
9523 | } | |
9524 | ||
9525 | ||
9526 | DEFUN ("x-window-property", Fx_window_property, Sx_window_property, | |
9527 | 1, 2, 0, | |
7ee72033 | 9528 | doc: /* Value is the value of window property PROP on FRAME. |
c061c855 GM |
9529 | If FRAME is nil or omitted, use the selected frame. Value is nil |
9530 | if FRAME hasn't a property with name PROP or if PROP has no string | |
7ee72033 MB |
9531 | value. */) |
9532 | (prop, frame) | |
333b20bb GM |
9533 | Lisp_Object prop, frame; |
9534 | { | |
9535 | struct frame *f = check_x_frame (frame); | |
9536 | Atom prop_atom; | |
9537 | int rc; | |
9538 | Lisp_Object prop_value = Qnil; | |
9539 | char *tmp_data = NULL; | |
9540 | Atom actual_type; | |
9541 | int actual_format; | |
9542 | unsigned long actual_size, bytes_remaining; | |
9543 | ||
b7826503 | 9544 | CHECK_STRING (prop); |
333b20bb | 9545 | BLOCK_INPUT; |
d5db4077 | 9546 | prop_atom = XInternAtom (FRAME_X_DISPLAY (f), SDATA (prop), False); |
333b20bb GM |
9547 | rc = XGetWindowProperty (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
9548 | prop_atom, 0, 0, False, XA_STRING, | |
9549 | &actual_type, &actual_format, &actual_size, | |
9550 | &bytes_remaining, (unsigned char **) &tmp_data); | |
9551 | if (rc == Success) | |
9552 | { | |
9553 | int size = bytes_remaining; | |
9554 | ||
9555 | XFree (tmp_data); | |
9556 | tmp_data = NULL; | |
9557 | ||
9558 | rc = XGetWindowProperty (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
9559 | prop_atom, 0, bytes_remaining, | |
9560 | False, XA_STRING, | |
177c0ea7 JB |
9561 | &actual_type, &actual_format, |
9562 | &actual_size, &bytes_remaining, | |
333b20bb | 9563 | (unsigned char **) &tmp_data); |
4c8c7926 | 9564 | if (rc == Success && tmp_data) |
333b20bb GM |
9565 | prop_value = make_string (tmp_data, size); |
9566 | ||
9567 | XFree (tmp_data); | |
9568 | } | |
9569 | ||
9570 | UNBLOCK_INPUT; | |
9571 | return prop_value; | |
9572 | } | |
9573 | ||
9574 | ||
9575 | \f | |
9576 | /*********************************************************************** | |
9577 | Busy cursor | |
9578 | ***********************************************************************/ | |
9579 | ||
4ae9a85e | 9580 | /* If non-null, an asynchronous timer that, when it expires, displays |
0af913d7 | 9581 | an hourglass cursor on all frames. */ |
333b20bb | 9582 | |
0af913d7 | 9583 | static struct atimer *hourglass_atimer; |
333b20bb | 9584 | |
0af913d7 | 9585 | /* Non-zero means an hourglass cursor is currently shown. */ |
333b20bb | 9586 | |
0af913d7 | 9587 | static int hourglass_shown_p; |
333b20bb | 9588 | |
0af913d7 | 9589 | /* Number of seconds to wait before displaying an hourglass cursor. */ |
333b20bb | 9590 | |
0af913d7 | 9591 | static Lisp_Object Vhourglass_delay; |
333b20bb | 9592 | |
0af913d7 | 9593 | /* Default number of seconds to wait before displaying an hourglass |
4ae9a85e GM |
9594 | cursor. */ |
9595 | ||
0af913d7 | 9596 | #define DEFAULT_HOURGLASS_DELAY 1 |
4ae9a85e GM |
9597 | |
9598 | /* Function prototypes. */ | |
9599 | ||
0af913d7 GM |
9600 | static void show_hourglass P_ ((struct atimer *)); |
9601 | static void hide_hourglass P_ ((void)); | |
4ae9a85e GM |
9602 | |
9603 | ||
0af913d7 | 9604 | /* Cancel a currently active hourglass timer, and start a new one. */ |
4ae9a85e GM |
9605 | |
9606 | void | |
0af913d7 | 9607 | start_hourglass () |
333b20bb | 9608 | { |
4ae9a85e | 9609 | EMACS_TIME delay; |
3caa99d3 | 9610 | int secs, usecs = 0; |
177c0ea7 | 9611 | |
0af913d7 | 9612 | cancel_hourglass (); |
4ae9a85e | 9613 | |
0af913d7 GM |
9614 | if (INTEGERP (Vhourglass_delay) |
9615 | && XINT (Vhourglass_delay) > 0) | |
9616 | secs = XFASTINT (Vhourglass_delay); | |
9617 | else if (FLOATP (Vhourglass_delay) | |
9618 | && XFLOAT_DATA (Vhourglass_delay) > 0) | |
3caa99d3 GM |
9619 | { |
9620 | Lisp_Object tem; | |
0af913d7 | 9621 | tem = Ftruncate (Vhourglass_delay, Qnil); |
3caa99d3 | 9622 | secs = XFASTINT (tem); |
0af913d7 | 9623 | usecs = (XFLOAT_DATA (Vhourglass_delay) - secs) * 1000000; |
3caa99d3 | 9624 | } |
4ae9a85e | 9625 | else |
0af913d7 | 9626 | secs = DEFAULT_HOURGLASS_DELAY; |
177c0ea7 | 9627 | |
3caa99d3 | 9628 | EMACS_SET_SECS_USECS (delay, secs, usecs); |
0af913d7 GM |
9629 | hourglass_atimer = start_atimer (ATIMER_RELATIVE, delay, |
9630 | show_hourglass, NULL); | |
4ae9a85e GM |
9631 | } |
9632 | ||
9633 | ||
0af913d7 | 9634 | /* Cancel the hourglass cursor timer if active, hide a busy cursor if |
4ae9a85e GM |
9635 | shown. */ |
9636 | ||
9637 | void | |
0af913d7 | 9638 | cancel_hourglass () |
4ae9a85e | 9639 | { |
0af913d7 | 9640 | if (hourglass_atimer) |
99f01f62 | 9641 | { |
0af913d7 GM |
9642 | cancel_atimer (hourglass_atimer); |
9643 | hourglass_atimer = NULL; | |
99f01f62 | 9644 | } |
177c0ea7 | 9645 | |
0af913d7 GM |
9646 | if (hourglass_shown_p) |
9647 | hide_hourglass (); | |
4ae9a85e GM |
9648 | } |
9649 | ||
9650 | ||
0af913d7 GM |
9651 | /* Timer function of hourglass_atimer. TIMER is equal to |
9652 | hourglass_atimer. | |
4ae9a85e | 9653 | |
0af913d7 GM |
9654 | Display an hourglass pointer on all frames by mapping the frames' |
9655 | hourglass_window. Set the hourglass_p flag in the frames' | |
9656 | output_data.x structure to indicate that an hourglass cursor is | |
9657 | shown on the frames. */ | |
4ae9a85e GM |
9658 | |
9659 | static void | |
0af913d7 | 9660 | show_hourglass (timer) |
4ae9a85e GM |
9661 | struct atimer *timer; |
9662 | { | |
9663 | /* The timer implementation will cancel this timer automatically | |
0af913d7 | 9664 | after this function has run. Set hourglass_atimer to null |
4ae9a85e | 9665 | so that we know the timer doesn't have to be canceled. */ |
0af913d7 | 9666 | hourglass_atimer = NULL; |
4ae9a85e | 9667 | |
0af913d7 | 9668 | if (!hourglass_shown_p) |
333b20bb GM |
9669 | { |
9670 | Lisp_Object rest, frame; | |
177c0ea7 | 9671 | |
4ae9a85e | 9672 | BLOCK_INPUT; |
177c0ea7 | 9673 | |
333b20bb | 9674 | FOR_EACH_FRAME (rest, frame) |
5f7a1890 GM |
9675 | { |
9676 | struct frame *f = XFRAME (frame); | |
177c0ea7 | 9677 | |
5f7a1890 GM |
9678 | if (FRAME_LIVE_P (f) && FRAME_X_P (f) && FRAME_X_DISPLAY (f)) |
9679 | { | |
9680 | Display *dpy = FRAME_X_DISPLAY (f); | |
177c0ea7 | 9681 | |
5f7a1890 GM |
9682 | #ifdef USE_X_TOOLKIT |
9683 | if (f->output_data.x->widget) | |
9684 | #else | |
9685 | if (FRAME_OUTER_WINDOW (f)) | |
9686 | #endif | |
9687 | { | |
0af913d7 | 9688 | f->output_data.x->hourglass_p = 1; |
177c0ea7 | 9689 | |
0af913d7 | 9690 | if (!f->output_data.x->hourglass_window) |
5f7a1890 GM |
9691 | { |
9692 | unsigned long mask = CWCursor; | |
9693 | XSetWindowAttributes attrs; | |
177c0ea7 | 9694 | |
0af913d7 | 9695 | attrs.cursor = f->output_data.x->hourglass_cursor; |
177c0ea7 | 9696 | |
0af913d7 | 9697 | f->output_data.x->hourglass_window |
5f7a1890 GM |
9698 | = XCreateWindow (dpy, FRAME_OUTER_WINDOW (f), |
9699 | 0, 0, 32000, 32000, 0, 0, | |
9700 | InputOnly, | |
9701 | CopyFromParent, | |
9702 | mask, &attrs); | |
9703 | } | |
177c0ea7 | 9704 | |
0af913d7 | 9705 | XMapRaised (dpy, f->output_data.x->hourglass_window); |
5f7a1890 GM |
9706 | XFlush (dpy); |
9707 | } | |
9708 | } | |
9709 | } | |
333b20bb | 9710 | |
0af913d7 | 9711 | hourglass_shown_p = 1; |
4ae9a85e GM |
9712 | UNBLOCK_INPUT; |
9713 | } | |
333b20bb GM |
9714 | } |
9715 | ||
9716 | ||
0af913d7 GM |
9717 | /* Hide the hourglass pointer on all frames, if it is currently |
9718 | shown. */ | |
333b20bb | 9719 | |
4ae9a85e | 9720 | static void |
0af913d7 | 9721 | hide_hourglass () |
4ae9a85e | 9722 | { |
0af913d7 | 9723 | if (hourglass_shown_p) |
333b20bb | 9724 | { |
4ae9a85e GM |
9725 | Lisp_Object rest, frame; |
9726 | ||
9727 | BLOCK_INPUT; | |
9728 | FOR_EACH_FRAME (rest, frame) | |
333b20bb | 9729 | { |
4ae9a85e | 9730 | struct frame *f = XFRAME (frame); |
177c0ea7 | 9731 | |
4ae9a85e GM |
9732 | if (FRAME_X_P (f) |
9733 | /* Watch out for newly created frames. */ | |
0af913d7 | 9734 | && f->output_data.x->hourglass_window) |
4ae9a85e | 9735 | { |
0af913d7 GM |
9736 | XUnmapWindow (FRAME_X_DISPLAY (f), |
9737 | f->output_data.x->hourglass_window); | |
9738 | /* Sync here because XTread_socket looks at the | |
9739 | hourglass_p flag that is reset to zero below. */ | |
4ae9a85e | 9740 | XSync (FRAME_X_DISPLAY (f), False); |
0af913d7 | 9741 | f->output_data.x->hourglass_p = 0; |
4ae9a85e | 9742 | } |
333b20bb | 9743 | } |
333b20bb | 9744 | |
0af913d7 | 9745 | hourglass_shown_p = 0; |
4ae9a85e GM |
9746 | UNBLOCK_INPUT; |
9747 | } | |
333b20bb GM |
9748 | } |
9749 | ||
9750 | ||
9751 | \f | |
9752 | /*********************************************************************** | |
9753 | Tool tips | |
9754 | ***********************************************************************/ | |
9755 | ||
9756 | static Lisp_Object x_create_tip_frame P_ ((struct x_display_info *, | |
275841bf | 9757 | Lisp_Object, Lisp_Object)); |
06d62053 | 9758 | static void compute_tip_xy P_ ((struct frame *, Lisp_Object, Lisp_Object, |
ab452f99 | 9759 | Lisp_Object, int, int, int *, int *)); |
177c0ea7 | 9760 | |
44b5a125 | 9761 | /* The frame of a currently visible tooltip. */ |
333b20bb | 9762 | |
44b5a125 | 9763 | Lisp_Object tip_frame; |
333b20bb GM |
9764 | |
9765 | /* If non-nil, a timer started that hides the last tooltip when it | |
9766 | fires. */ | |
9767 | ||
9768 | Lisp_Object tip_timer; | |
9769 | Window tip_window; | |
9770 | ||
06d62053 GM |
9771 | /* If non-nil, a vector of 3 elements containing the last args |
9772 | with which x-show-tip was called. See there. */ | |
9773 | ||
9774 | Lisp_Object last_show_tip_args; | |
9775 | ||
d63931a2 GM |
9776 | /* Maximum size for tooltips; a cons (COLUMNS . ROWS). */ |
9777 | ||
9778 | Lisp_Object Vx_max_tooltip_size; | |
9779 | ||
eaf1eea9 GM |
9780 | |
9781 | static Lisp_Object | |
9782 | unwind_create_tip_frame (frame) | |
9783 | Lisp_Object frame; | |
9784 | { | |
c844a81a GM |
9785 | Lisp_Object deleted; |
9786 | ||
9787 | deleted = unwind_create_frame (frame); | |
9788 | if (EQ (deleted, Qt)) | |
9789 | { | |
9790 | tip_window = None; | |
9791 | tip_frame = Qnil; | |
9792 | } | |
177c0ea7 | 9793 | |
c844a81a | 9794 | return deleted; |
eaf1eea9 GM |
9795 | } |
9796 | ||
9797 | ||
333b20bb | 9798 | /* Create a frame for a tooltip on the display described by DPYINFO. |
275841bf GM |
9799 | PARMS is a list of frame parameters. TEXT is the string to |
9800 | display in the tip frame. Value is the frame. | |
eaf1eea9 GM |
9801 | |
9802 | Note that functions called here, esp. x_default_parameter can | |
9803 | signal errors, for instance when a specified color name is | |
9804 | undefined. We have to make sure that we're in a consistent state | |
9805 | when this happens. */ | |
333b20bb GM |
9806 | |
9807 | static Lisp_Object | |
275841bf | 9808 | x_create_tip_frame (dpyinfo, parms, text) |
333b20bb | 9809 | struct x_display_info *dpyinfo; |
275841bf | 9810 | Lisp_Object parms, text; |
333b20bb GM |
9811 | { |
9812 | struct frame *f; | |
9813 | Lisp_Object frame, tem; | |
9814 | Lisp_Object name; | |
333b20bb GM |
9815 | long window_prompting = 0; |
9816 | int width, height; | |
331379bf | 9817 | int count = SPECPDL_INDEX (); |
b6d7acec | 9818 | struct gcpro gcpro1, gcpro2, gcpro3; |
333b20bb | 9819 | struct kboard *kb; |
06d62053 | 9820 | int face_change_count_before = face_change_count; |
275841bf GM |
9821 | Lisp_Object buffer; |
9822 | struct buffer *old_buffer; | |
333b20bb GM |
9823 | |
9824 | check_x (); | |
9825 | ||
9826 | /* Use this general default value to start with until we know if | |
9827 | this frame has a specified name. */ | |
9828 | Vx_resource_name = Vinvocation_name; | |
9829 | ||
9830 | #ifdef MULTI_KBOARD | |
9831 | kb = dpyinfo->kboard; | |
9832 | #else | |
9833 | kb = &the_only_kboard; | |
9834 | #endif | |
9835 | ||
9836 | /* Get the name of the frame to use for resource lookup. */ | |
9837 | name = x_get_arg (dpyinfo, parms, Qname, "name", "Name", RES_TYPE_STRING); | |
9838 | if (!STRINGP (name) | |
9839 | && !EQ (name, Qunbound) | |
9840 | && !NILP (name)) | |
9841 | error ("Invalid frame name--not a string or nil"); | |
9842 | Vx_resource_name = name; | |
9843 | ||
9844 | frame = Qnil; | |
9845 | GCPRO3 (parms, name, frame); | |
44b5a125 | 9846 | f = make_frame (1); |
333b20bb | 9847 | XSETFRAME (frame, f); |
275841bf GM |
9848 | |
9849 | buffer = Fget_buffer_create (build_string (" *tip*")); | |
be786000 | 9850 | Fset_window_buffer (FRAME_ROOT_WINDOW (f), buffer, Qnil); |
275841bf GM |
9851 | old_buffer = current_buffer; |
9852 | set_buffer_internal_1 (XBUFFER (buffer)); | |
d63931a2 | 9853 | current_buffer->truncate_lines = Qnil; |
275841bf GM |
9854 | Ferase_buffer (); |
9855 | Finsert (1, &text); | |
9856 | set_buffer_internal_1 (old_buffer); | |
177c0ea7 | 9857 | |
333b20bb | 9858 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 0; |
8a1a7743 | 9859 | record_unwind_protect (unwind_create_tip_frame, frame); |
333b20bb | 9860 | |
eaf1eea9 GM |
9861 | /* By setting the output method, we're essentially saying that |
9862 | the frame is live, as per FRAME_LIVE_P. If we get a signal | |
9863 | from this point on, x_destroy_window might screw up reference | |
9864 | counts etc. */ | |
333b20bb GM |
9865 | f->output_method = output_x_window; |
9866 | f->output_data.x = (struct x_output *) xmalloc (sizeof (struct x_output)); | |
9867 | bzero (f->output_data.x, sizeof (struct x_output)); | |
9868 | f->output_data.x->icon_bitmap = -1; | |
be786000 | 9869 | FRAME_FONTSET (f) = -1; |
61d461a8 GM |
9870 | f->output_data.x->scroll_bar_foreground_pixel = -1; |
9871 | f->output_data.x->scroll_bar_background_pixel = -1; | |
f15340b7 MB |
9872 | #ifdef USE_TOOLKIT_SCROLL_BARS |
9873 | f->output_data.x->scroll_bar_top_shadow_pixel = -1; | |
9874 | f->output_data.x->scroll_bar_bottom_shadow_pixel = -1; | |
9875 | #endif /* USE_TOOLKIT_SCROLL_BARS */ | |
333b20bb GM |
9876 | f->icon_name = Qnil; |
9877 | FRAME_X_DISPLAY_INFO (f) = dpyinfo; | |
f1d2ce7f | 9878 | #if GLYPH_DEBUG |
eaf1eea9 GM |
9879 | image_cache_refcount = FRAME_X_IMAGE_CACHE (f)->refcount; |
9880 | dpyinfo_refcount = dpyinfo->reference_count; | |
9881 | #endif /* GLYPH_DEBUG */ | |
333b20bb GM |
9882 | #ifdef MULTI_KBOARD |
9883 | FRAME_KBOARD (f) = kb; | |
9884 | #endif | |
9885 | f->output_data.x->parent_desc = FRAME_X_DISPLAY_INFO (f)->root_window; | |
9886 | f->output_data.x->explicit_parent = 0; | |
9887 | ||
61d461a8 GM |
9888 | /* These colors will be set anyway later, but it's important |
9889 | to get the color reference counts right, so initialize them! */ | |
9890 | { | |
9891 | Lisp_Object black; | |
9892 | struct gcpro gcpro1; | |
177c0ea7 | 9893 | |
61d461a8 GM |
9894 | black = build_string ("black"); |
9895 | GCPRO1 (black); | |
9896 | f->output_data.x->foreground_pixel | |
9897 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
9898 | f->output_data.x->background_pixel | |
9899 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
9900 | f->output_data.x->cursor_pixel | |
9901 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
9902 | f->output_data.x->cursor_foreground_pixel | |
9903 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
9904 | f->output_data.x->border_pixel | |
9905 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
9906 | f->output_data.x->mouse_pixel | |
9907 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
9908 | UNGCPRO; | |
9909 | } | |
9910 | ||
333b20bb GM |
9911 | /* Set the name; the functions to which we pass f expect the name to |
9912 | be set. */ | |
9913 | if (EQ (name, Qunbound) || NILP (name)) | |
9914 | { | |
9915 | f->name = build_string (dpyinfo->x_id_name); | |
9916 | f->explicit_name = 0; | |
9917 | } | |
9918 | else | |
9919 | { | |
9920 | f->name = name; | |
9921 | f->explicit_name = 1; | |
9922 | /* use the frame's title when getting resources for this frame. */ | |
9923 | specbind (Qx_resource_name, name); | |
9924 | } | |
9925 | ||
eaf1eea9 GM |
9926 | /* Extract the window parameters from the supplied values that are |
9927 | needed to determine window geometry. */ | |
333b20bb GM |
9928 | { |
9929 | Lisp_Object font; | |
9930 | ||
9931 | font = x_get_arg (dpyinfo, parms, Qfont, "font", "Font", RES_TYPE_STRING); | |
9932 | ||
9933 | BLOCK_INPUT; | |
9934 | /* First, try whatever font the caller has specified. */ | |
9935 | if (STRINGP (font)) | |
9936 | { | |
9937 | tem = Fquery_fontset (font, Qnil); | |
9938 | if (STRINGP (tem)) | |
d5db4077 | 9939 | font = x_new_fontset (f, SDATA (tem)); |
333b20bb | 9940 | else |
d5db4077 | 9941 | font = x_new_font (f, SDATA (font)); |
333b20bb | 9942 | } |
177c0ea7 | 9943 | |
333b20bb GM |
9944 | /* Try out a font which we hope has bold and italic variations. */ |
9945 | if (!STRINGP (font)) | |
9946 | font = x_new_font (f, "-adobe-courier-medium-r-*-*-*-120-*-*-*-*-iso8859-1"); | |
9947 | if (!STRINGP (font)) | |
9948 | font = x_new_font (f, "-misc-fixed-medium-r-normal-*-*-140-*-*-c-*-iso8859-1"); | |
9949 | if (! STRINGP (font)) | |
9950 | font = x_new_font (f, "-*-*-medium-r-normal-*-*-140-*-*-c-*-iso8859-1"); | |
9951 | if (! STRINGP (font)) | |
9952 | /* This was formerly the first thing tried, but it finds too many fonts | |
9953 | and takes too long. */ | |
9954 | font = x_new_font (f, "-*-*-medium-r-*-*-*-*-*-*-c-*-iso8859-1"); | |
9955 | /* If those didn't work, look for something which will at least work. */ | |
9956 | if (! STRINGP (font)) | |
9957 | font = x_new_font (f, "-*-fixed-*-*-*-*-*-140-*-*-c-*-iso8859-1"); | |
9958 | UNBLOCK_INPUT; | |
9959 | if (! STRINGP (font)) | |
9960 | font = build_string ("fixed"); | |
9961 | ||
9962 | x_default_parameter (f, parms, Qfont, font, | |
9963 | "font", "Font", RES_TYPE_STRING); | |
9964 | } | |
9965 | ||
9966 | x_default_parameter (f, parms, Qborder_width, make_number (2), | |
9967 | "borderWidth", "BorderWidth", RES_TYPE_NUMBER); | |
177c0ea7 | 9968 | |
333b20bb GM |
9969 | /* This defaults to 2 in order to match xterm. We recognize either |
9970 | internalBorderWidth or internalBorder (which is what xterm calls | |
9971 | it). */ | |
9972 | if (NILP (Fassq (Qinternal_border_width, parms))) | |
9973 | { | |
9974 | Lisp_Object value; | |
9975 | ||
9976 | value = x_get_arg (dpyinfo, parms, Qinternal_border_width, | |
9977 | "internalBorder", "internalBorder", RES_TYPE_NUMBER); | |
9978 | if (! EQ (value, Qunbound)) | |
9979 | parms = Fcons (Fcons (Qinternal_border_width, value), | |
9980 | parms); | |
9981 | } | |
9982 | ||
9983 | x_default_parameter (f, parms, Qinternal_border_width, make_number (1), | |
9984 | "internalBorderWidth", "internalBorderWidth", | |
9985 | RES_TYPE_NUMBER); | |
9986 | ||
9987 | /* Also do the stuff which must be set before the window exists. */ | |
9988 | x_default_parameter (f, parms, Qforeground_color, build_string ("black"), | |
9989 | "foreground", "Foreground", RES_TYPE_STRING); | |
9990 | x_default_parameter (f, parms, Qbackground_color, build_string ("white"), | |
9991 | "background", "Background", RES_TYPE_STRING); | |
9992 | x_default_parameter (f, parms, Qmouse_color, build_string ("black"), | |
9993 | "pointerColor", "Foreground", RES_TYPE_STRING); | |
9994 | x_default_parameter (f, parms, Qcursor_color, build_string ("black"), | |
9995 | "cursorColor", "Foreground", RES_TYPE_STRING); | |
9996 | x_default_parameter (f, parms, Qborder_color, build_string ("black"), | |
9997 | "borderColor", "BorderColor", RES_TYPE_STRING); | |
9998 | ||
9999 | /* Init faces before x_default_parameter is called for scroll-bar | |
10000 | parameters because that function calls x_set_scroll_bar_width, | |
10001 | which calls change_frame_size, which calls Fset_window_buffer, | |
10002 | which runs hooks, which call Fvertical_motion. At the end, we | |
10003 | end up in init_iterator with a null face cache, which should not | |
10004 | happen. */ | |
10005 | init_frame_faces (f); | |
177c0ea7 | 10006 | |
333b20bb | 10007 | f->output_data.x->parent_desc = FRAME_X_DISPLAY_INFO (f)->root_window; |
333b20bb | 10008 | |
7c0d3ed8 | 10009 | window_prompting = x_figure_window_size (f, parms, 0); |
333b20bb | 10010 | |
333b20bb GM |
10011 | { |
10012 | XSetWindowAttributes attrs; | |
10013 | unsigned long mask; | |
177c0ea7 | 10014 | |
333b20bb | 10015 | BLOCK_INPUT; |
c51d2b5e GM |
10016 | mask = CWBackPixel | CWOverrideRedirect | CWEventMask; |
10017 | if (DoesSaveUnders (dpyinfo->screen)) | |
10018 | mask |= CWSaveUnder; | |
177c0ea7 | 10019 | |
9b2956e2 GM |
10020 | /* Window managers look at the override-redirect flag to determine |
10021 | whether or net to give windows a decoration (Xlib spec, chapter | |
333b20bb GM |
10022 | 3.2.8). */ |
10023 | attrs.override_redirect = True; | |
10024 | attrs.save_under = True; | |
10025 | attrs.background_pixel = FRAME_BACKGROUND_PIXEL (f); | |
10026 | /* Arrange for getting MapNotify and UnmapNotify events. */ | |
10027 | attrs.event_mask = StructureNotifyMask; | |
10028 | tip_window | |
10029 | = FRAME_X_WINDOW (f) | |
10030 | = XCreateWindow (FRAME_X_DISPLAY (f), | |
10031 | FRAME_X_DISPLAY_INFO (f)->root_window, | |
10032 | /* x, y, width, height */ | |
10033 | 0, 0, 1, 1, | |
10034 | /* Border. */ | |
10035 | 1, | |
10036 | CopyFromParent, InputOutput, CopyFromParent, | |
10037 | mask, &attrs); | |
10038 | UNBLOCK_INPUT; | |
10039 | } | |
10040 | ||
10041 | x_make_gc (f); | |
10042 | ||
333b20bb GM |
10043 | x_default_parameter (f, parms, Qauto_raise, Qnil, |
10044 | "autoRaise", "AutoRaiseLower", RES_TYPE_BOOLEAN); | |
10045 | x_default_parameter (f, parms, Qauto_lower, Qnil, | |
10046 | "autoLower", "AutoRaiseLower", RES_TYPE_BOOLEAN); | |
10047 | x_default_parameter (f, parms, Qcursor_type, Qbox, | |
10048 | "cursorType", "CursorType", RES_TYPE_SYMBOL); | |
10049 | ||
be786000 | 10050 | /* Dimensions, especially FRAME_LINES (f), must be done via change_frame_size. |
333b20bb | 10051 | Change will not be effected unless different from the current |
be786000 KS |
10052 | FRAME_LINES (f). */ |
10053 | width = FRAME_COLS (f); | |
10054 | height = FRAME_LINES (f); | |
10055 | SET_FRAME_COLS (f, 0); | |
10056 | FRAME_LINES (f) = 0; | |
8938a4fb | 10057 | change_frame_size (f, height, width, 1, 0, 0); |
177c0ea7 | 10058 | |
cd1d850f JPW |
10059 | /* Add `tooltip' frame parameter's default value. */ |
10060 | if (NILP (Fframe_parameter (frame, intern ("tooltip")))) | |
10061 | Fmodify_frame_parameters (frame, Fcons (Fcons (intern ("tooltip"), Qt), | |
10062 | Qnil)); | |
177c0ea7 | 10063 | |
035d5114 | 10064 | /* Set up faces after all frame parameters are known. This call |
6801a572 GM |
10065 | also merges in face attributes specified for new frames. |
10066 | ||
10067 | Frame parameters may be changed if .Xdefaults contains | |
10068 | specifications for the default font. For example, if there is an | |
10069 | `Emacs.default.attributeBackground: pink', the `background-color' | |
10070 | attribute of the frame get's set, which let's the internal border | |
10071 | of the tooltip frame appear in pink. Prevent this. */ | |
10072 | { | |
10073 | Lisp_Object bg = Fframe_parameter (frame, Qbackground_color); | |
10074 | ||
10075 | /* Set tip_frame here, so that */ | |
10076 | tip_frame = frame; | |
10077 | call1 (Qface_set_after_frame_default, frame); | |
177c0ea7 | 10078 | |
6801a572 GM |
10079 | if (!EQ (bg, Fframe_parameter (frame, Qbackground_color))) |
10080 | Fmodify_frame_parameters (frame, Fcons (Fcons (Qbackground_color, bg), | |
10081 | Qnil)); | |
10082 | } | |
177c0ea7 | 10083 | |
333b20bb GM |
10084 | f->no_split = 1; |
10085 | ||
10086 | UNGCPRO; | |
10087 | ||
10088 | /* It is now ok to make the frame official even if we get an error | |
10089 | below. And the frame needs to be on Vframe_list or making it | |
10090 | visible won't work. */ | |
10091 | Vframe_list = Fcons (frame, Vframe_list); | |
10092 | ||
10093 | /* Now that the frame is official, it counts as a reference to | |
10094 | its display. */ | |
10095 | FRAME_X_DISPLAY_INFO (f)->reference_count++; | |
10096 | ||
06d62053 GM |
10097 | /* Setting attributes of faces of the tooltip frame from resources |
10098 | and similar will increment face_change_count, which leads to the | |
10099 | clearing of all current matrices. Since this isn't necessary | |
10100 | here, avoid it by resetting face_change_count to the value it | |
10101 | had before we created the tip frame. */ | |
10102 | face_change_count = face_change_count_before; | |
10103 | ||
eaf1eea9 | 10104 | /* Discard the unwind_protect. */ |
333b20bb GM |
10105 | return unbind_to (count, frame); |
10106 | } | |
10107 | ||
10108 | ||
06d62053 GM |
10109 | /* Compute where to display tip frame F. PARMS is the list of frame |
10110 | parameters for F. DX and DY are specified offsets from the current | |
ab452f99 GM |
10111 | location of the mouse. WIDTH and HEIGHT are the width and height |
10112 | of the tooltip. Return coordinates relative to the root window of | |
10113 | the display in *ROOT_X, and *ROOT_Y. */ | |
06d62053 GM |
10114 | |
10115 | static void | |
ab452f99 | 10116 | compute_tip_xy (f, parms, dx, dy, width, height, root_x, root_y) |
06d62053 GM |
10117 | struct frame *f; |
10118 | Lisp_Object parms, dx, dy; | |
ab452f99 | 10119 | int width, height; |
06d62053 GM |
10120 | int *root_x, *root_y; |
10121 | { | |
10122 | Lisp_Object left, top; | |
10123 | int win_x, win_y; | |
10124 | Window root, child; | |
10125 | unsigned pmask; | |
177c0ea7 | 10126 | |
06d62053 GM |
10127 | /* User-specified position? */ |
10128 | left = Fcdr (Fassq (Qleft, parms)); | |
10129 | top = Fcdr (Fassq (Qtop, parms)); | |
177c0ea7 | 10130 | |
06d62053 GM |
10131 | /* Move the tooltip window where the mouse pointer is. Resize and |
10132 | show it. */ | |
570d22b0 | 10133 | if (!INTEGERP (left) || !INTEGERP (top)) |
ab452f99 GM |
10134 | { |
10135 | BLOCK_INPUT; | |
10136 | XQueryPointer (FRAME_X_DISPLAY (f), FRAME_X_DISPLAY_INFO (f)->root_window, | |
10137 | &root, &child, root_x, root_y, &win_x, &win_y, &pmask); | |
10138 | UNBLOCK_INPUT; | |
10139 | } | |
06d62053 | 10140 | |
06d62053 GM |
10141 | if (INTEGERP (top)) |
10142 | *root_y = XINT (top); | |
ab452f99 GM |
10143 | else if (*root_y + XINT (dy) - height < 0) |
10144 | *root_y -= XINT (dy); | |
10145 | else | |
10146 | { | |
10147 | *root_y -= height; | |
10148 | *root_y += XINT (dy); | |
10149 | } | |
10150 | ||
10151 | if (INTEGERP (left)) | |
10152 | *root_x = XINT (left); | |
d682d3df RS |
10153 | else if (*root_x + XINT (dx) + width <= FRAME_X_DISPLAY_INFO (f)->width) |
10154 | /* It fits to the right of the pointer. */ | |
10155 | *root_x += XINT (dx); | |
10156 | else if (width + XINT (dx) <= *root_x) | |
10157 | /* It fits to the left of the pointer. */ | |
ab452f99 GM |
10158 | *root_x -= width + XINT (dx); |
10159 | else | |
d682d3df RS |
10160 | /* Put it left-justified on the screen--it ought to fit that way. */ |
10161 | *root_x = 0; | |
06d62053 GM |
10162 | } |
10163 | ||
10164 | ||
0634ce98 | 10165 | DEFUN ("x-show-tip", Fx_show_tip, Sx_show_tip, 1, 6, 0, |
7ee72033 | 10166 | doc: /* Show STRING in a "tooltip" window on frame FRAME. |
c061c855 GM |
10167 | A tooltip window is a small X window displaying a string. |
10168 | ||
10169 | FRAME nil or omitted means use the selected frame. | |
10170 | ||
10171 | PARMS is an optional list of frame parameters which can be used to | |
10172 | change the tooltip's appearance. | |
10173 | ||
10174 | Automatically hide the tooltip after TIMEOUT seconds. TIMEOUT nil | |
10175 | means use the default timeout of 5 seconds. | |
10176 | ||
10177 | If the list of frame parameters PARAMS contains a `left' parameters, | |
10178 | the tooltip is displayed at that x-position. Otherwise it is | |
10179 | displayed at the mouse position, with offset DX added (default is 5 if | |
10180 | DX isn't specified). Likewise for the y-position; if a `top' frame | |
10181 | parameter is specified, it determines the y-position of the tooltip | |
10182 | window, otherwise it is displayed at the mouse position, with offset | |
10183 | DY added (default is -10). | |
10184 | ||
10185 | A tooltip's maximum size is specified by `x-max-tooltip-size'. | |
7ee72033 MB |
10186 | Text larger than the specified size is clipped. */) |
10187 | (string, frame, parms, timeout, dx, dy) | |
0634ce98 | 10188 | Lisp_Object string, frame, parms, timeout, dx, dy; |
333b20bb GM |
10189 | { |
10190 | struct frame *f; | |
10191 | struct window *w; | |
06d62053 | 10192 | int root_x, root_y; |
333b20bb GM |
10193 | struct buffer *old_buffer; |
10194 | struct text_pos pos; | |
10195 | int i, width, height; | |
393f2d14 | 10196 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4; |
333b20bb | 10197 | int old_windows_or_buffers_changed = windows_or_buffers_changed; |
331379bf | 10198 | int count = SPECPDL_INDEX (); |
177c0ea7 | 10199 | |
333b20bb GM |
10200 | specbind (Qinhibit_redisplay, Qt); |
10201 | ||
393f2d14 | 10202 | GCPRO4 (string, parms, frame, timeout); |
333b20bb | 10203 | |
b7826503 | 10204 | CHECK_STRING (string); |
333b20bb GM |
10205 | f = check_x_frame (frame); |
10206 | if (NILP (timeout)) | |
10207 | timeout = make_number (5); | |
10208 | else | |
b7826503 | 10209 | CHECK_NATNUM (timeout); |
177c0ea7 | 10210 | |
0634ce98 GM |
10211 | if (NILP (dx)) |
10212 | dx = make_number (5); | |
10213 | else | |
b7826503 | 10214 | CHECK_NUMBER (dx); |
177c0ea7 | 10215 | |
0634ce98 | 10216 | if (NILP (dy)) |
12c67a7f | 10217 | dy = make_number (-10); |
0634ce98 | 10218 | else |
b7826503 | 10219 | CHECK_NUMBER (dy); |
333b20bb | 10220 | |
06d62053 GM |
10221 | if (NILP (last_show_tip_args)) |
10222 | last_show_tip_args = Fmake_vector (make_number (3), Qnil); | |
10223 | ||
10224 | if (!NILP (tip_frame)) | |
10225 | { | |
10226 | Lisp_Object last_string = AREF (last_show_tip_args, 0); | |
10227 | Lisp_Object last_frame = AREF (last_show_tip_args, 1); | |
10228 | Lisp_Object last_parms = AREF (last_show_tip_args, 2); | |
10229 | ||
10230 | if (EQ (frame, last_frame) | |
10231 | && !NILP (Fequal (last_string, string)) | |
10232 | && !NILP (Fequal (last_parms, parms))) | |
10233 | { | |
10234 | struct frame *f = XFRAME (tip_frame); | |
177c0ea7 | 10235 | |
06d62053 GM |
10236 | /* Only DX and DY have changed. */ |
10237 | if (!NILP (tip_timer)) | |
ae782866 GM |
10238 | { |
10239 | Lisp_Object timer = tip_timer; | |
10240 | tip_timer = Qnil; | |
10241 | call1 (Qcancel_timer, timer); | |
10242 | } | |
06d62053 GM |
10243 | |
10244 | BLOCK_INPUT; | |
be786000 KS |
10245 | compute_tip_xy (f, parms, dx, dy, FRAME_PIXEL_WIDTH (f), |
10246 | FRAME_PIXEL_HEIGHT (f), &root_x, &root_y); | |
06d62053 | 10247 | XMoveWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
ab452f99 | 10248 | root_x, root_y); |
06d62053 GM |
10249 | UNBLOCK_INPUT; |
10250 | goto start_timer; | |
10251 | } | |
10252 | } | |
10253 | ||
333b20bb GM |
10254 | /* Hide a previous tip, if any. */ |
10255 | Fx_hide_tip (); | |
10256 | ||
06d62053 GM |
10257 | ASET (last_show_tip_args, 0, string); |
10258 | ASET (last_show_tip_args, 1, frame); | |
10259 | ASET (last_show_tip_args, 2, parms); | |
10260 | ||
333b20bb GM |
10261 | /* Add default values to frame parameters. */ |
10262 | if (NILP (Fassq (Qname, parms))) | |
10263 | parms = Fcons (Fcons (Qname, build_string ("tooltip")), parms); | |
10264 | if (NILP (Fassq (Qinternal_border_width, parms))) | |
10265 | parms = Fcons (Fcons (Qinternal_border_width, make_number (3)), parms); | |
10266 | if (NILP (Fassq (Qborder_width, parms))) | |
10267 | parms = Fcons (Fcons (Qborder_width, make_number (1)), parms); | |
10268 | if (NILP (Fassq (Qborder_color, parms))) | |
10269 | parms = Fcons (Fcons (Qborder_color, build_string ("lightyellow")), parms); | |
10270 | if (NILP (Fassq (Qbackground_color, parms))) | |
10271 | parms = Fcons (Fcons (Qbackground_color, build_string ("lightyellow")), | |
10272 | parms); | |
10273 | ||
10274 | /* Create a frame for the tooltip, and record it in the global | |
10275 | variable tip_frame. */ | |
275841bf | 10276 | frame = x_create_tip_frame (FRAME_X_DISPLAY_INFO (f), parms, string); |
44b5a125 | 10277 | f = XFRAME (frame); |
333b20bb | 10278 | |
d63931a2 | 10279 | /* Set up the frame's root window. */ |
333b20bb | 10280 | w = XWINDOW (FRAME_ROOT_WINDOW (f)); |
be786000 | 10281 | w->left_col = w->top_line = make_number (0); |
177c0ea7 | 10282 | |
d63931a2 GM |
10283 | if (CONSP (Vx_max_tooltip_size) |
10284 | && INTEGERP (XCAR (Vx_max_tooltip_size)) | |
10285 | && XINT (XCAR (Vx_max_tooltip_size)) > 0 | |
10286 | && INTEGERP (XCDR (Vx_max_tooltip_size)) | |
10287 | && XINT (XCDR (Vx_max_tooltip_size)) > 0) | |
10288 | { | |
be786000 KS |
10289 | w->total_cols = XCAR (Vx_max_tooltip_size); |
10290 | w->total_lines = XCDR (Vx_max_tooltip_size); | |
d63931a2 GM |
10291 | } |
10292 | else | |
10293 | { | |
be786000 KS |
10294 | w->total_cols = make_number (80); |
10295 | w->total_lines = make_number (40); | |
d63931a2 | 10296 | } |
177c0ea7 | 10297 | |
be786000 | 10298 | FRAME_TOTAL_COLS (f) = XINT (w->total_cols); |
333b20bb GM |
10299 | adjust_glyphs (f); |
10300 | w->pseudo_window_p = 1; | |
10301 | ||
10302 | /* Display the tooltip text in a temporary buffer. */ | |
333b20bb | 10303 | old_buffer = current_buffer; |
275841bf | 10304 | set_buffer_internal_1 (XBUFFER (XWINDOW (FRAME_ROOT_WINDOW (f))->buffer)); |
d63931a2 | 10305 | current_buffer->truncate_lines = Qnil; |
333b20bb GM |
10306 | clear_glyph_matrix (w->desired_matrix); |
10307 | clear_glyph_matrix (w->current_matrix); | |
10308 | SET_TEXT_POS (pos, BEGV, BEGV_BYTE); | |
10309 | try_window (FRAME_ROOT_WINDOW (f), pos); | |
10310 | ||
10311 | /* Compute width and height of the tooltip. */ | |
10312 | width = height = 0; | |
10313 | for (i = 0; i < w->desired_matrix->nrows; ++i) | |
10314 | { | |
10315 | struct glyph_row *row = &w->desired_matrix->rows[i]; | |
10316 | struct glyph *last; | |
10317 | int row_width; | |
10318 | ||
10319 | /* Stop at the first empty row at the end. */ | |
10320 | if (!row->enabled_p || !row->displays_text_p) | |
10321 | break; | |
10322 | ||
d7bf0342 GM |
10323 | /* Let the row go over the full width of the frame. */ |
10324 | row->full_width_p = 1; | |
333b20bb | 10325 | |
e3130015 | 10326 | /* There's a glyph at the end of rows that is used to place |
333b20bb GM |
10327 | the cursor there. Don't include the width of this glyph. */ |
10328 | if (row->used[TEXT_AREA]) | |
10329 | { | |
10330 | last = &row->glyphs[TEXT_AREA][row->used[TEXT_AREA] - 1]; | |
10331 | row_width = row->pixel_width - last->pixel_width; | |
10332 | } | |
10333 | else | |
10334 | row_width = row->pixel_width; | |
177c0ea7 | 10335 | |
333b20bb GM |
10336 | height += row->height; |
10337 | width = max (width, row_width); | |
10338 | } | |
10339 | ||
10340 | /* Add the frame's internal border to the width and height the X | |
10341 | window should have. */ | |
10342 | height += 2 * FRAME_INTERNAL_BORDER_WIDTH (f); | |
10343 | width += 2 * FRAME_INTERNAL_BORDER_WIDTH (f); | |
10344 | ||
10345 | /* Move the tooltip window where the mouse pointer is. Resize and | |
10346 | show it. */ | |
ab452f99 | 10347 | compute_tip_xy (f, parms, dx, dy, width, height, &root_x, &root_y); |
0634ce98 | 10348 | |
0634ce98 | 10349 | BLOCK_INPUT; |
333b20bb | 10350 | XMoveResizeWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
ab452f99 | 10351 | root_x, root_y, width, height); |
333b20bb GM |
10352 | XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
10353 | UNBLOCK_INPUT; | |
177c0ea7 | 10354 | |
333b20bb GM |
10355 | /* Draw into the window. */ |
10356 | w->must_be_updated_p = 1; | |
10357 | update_single_window (w, 1); | |
10358 | ||
10359 | /* Restore original current buffer. */ | |
10360 | set_buffer_internal_1 (old_buffer); | |
10361 | windows_or_buffers_changed = old_windows_or_buffers_changed; | |
10362 | ||
06d62053 | 10363 | start_timer: |
333b20bb GM |
10364 | /* Let the tip disappear after timeout seconds. */ |
10365 | tip_timer = call3 (intern ("run-at-time"), timeout, Qnil, | |
10366 | intern ("x-hide-tip")); | |
a744a2ec DL |
10367 | |
10368 | UNGCPRO; | |
333b20bb GM |
10369 | return unbind_to (count, Qnil); |
10370 | } | |
10371 | ||
10372 | ||
10373 | DEFUN ("x-hide-tip", Fx_hide_tip, Sx_hide_tip, 0, 0, 0, | |
7ee72033 MB |
10374 | doc: /* Hide the current tooltip window, if there is any. |
10375 | Value is t if tooltip was open, nil otherwise. */) | |
10376 | () | |
333b20bb | 10377 | { |
44b5a125 | 10378 | int count; |
c0006262 GM |
10379 | Lisp_Object deleted, frame, timer; |
10380 | struct gcpro gcpro1, gcpro2; | |
44b5a125 GM |
10381 | |
10382 | /* Return quickly if nothing to do. */ | |
c0006262 | 10383 | if (NILP (tip_timer) && NILP (tip_frame)) |
44b5a125 | 10384 | return Qnil; |
177c0ea7 | 10385 | |
c0006262 GM |
10386 | frame = tip_frame; |
10387 | timer = tip_timer; | |
10388 | GCPRO2 (frame, timer); | |
10389 | tip_frame = tip_timer = deleted = Qnil; | |
177c0ea7 | 10390 | |
331379bf | 10391 | count = SPECPDL_INDEX (); |
333b20bb | 10392 | specbind (Qinhibit_redisplay, Qt); |
44b5a125 | 10393 | specbind (Qinhibit_quit, Qt); |
177c0ea7 | 10394 | |
c0006262 | 10395 | if (!NILP (timer)) |
ae782866 | 10396 | call1 (Qcancel_timer, timer); |
333b20bb | 10397 | |
c0006262 | 10398 | if (FRAMEP (frame)) |
333b20bb | 10399 | { |
44b5a125 GM |
10400 | Fdelete_frame (frame, Qnil); |
10401 | deleted = Qt; | |
f6c44811 GM |
10402 | |
10403 | #ifdef USE_LUCID | |
10404 | /* Bloodcurdling hack alert: The Lucid menu bar widget's | |
10405 | redisplay procedure is not called when a tip frame over menu | |
10406 | items is unmapped. Redisplay the menu manually... */ | |
10407 | { | |
10408 | struct frame *f = SELECTED_FRAME (); | |
10409 | Widget w = f->output_data.x->menubar_widget; | |
10410 | extern void xlwmenu_redisplay P_ ((Widget)); | |
9180dc8c | 10411 | |
f6c44811 | 10412 | if (!DoesSaveUnders (FRAME_X_DISPLAY_INFO (f)->screen) |
dbc64aa7 | 10413 | && w != NULL) |
f6c44811 GM |
10414 | { |
10415 | BLOCK_INPUT; | |
10416 | xlwmenu_redisplay (w); | |
10417 | UNBLOCK_INPUT; | |
10418 | } | |
10419 | } | |
10420 | #endif /* USE_LUCID */ | |
333b20bb GM |
10421 | } |
10422 | ||
c0006262 | 10423 | UNGCPRO; |
44b5a125 | 10424 | return unbind_to (count, deleted); |
333b20bb GM |
10425 | } |
10426 | ||
10427 | ||
10428 | \f | |
10429 | /*********************************************************************** | |
10430 | File selection dialog | |
10431 | ***********************************************************************/ | |
10432 | ||
10433 | #ifdef USE_MOTIF | |
10434 | ||
10435 | /* Callback for "OK" and "Cancel" on file selection dialog. */ | |
10436 | ||
10437 | static void | |
10438 | file_dialog_cb (widget, client_data, call_data) | |
10439 | Widget widget; | |
10440 | XtPointer call_data, client_data; | |
10441 | { | |
10442 | int *result = (int *) client_data; | |
10443 | XmAnyCallbackStruct *cb = (XmAnyCallbackStruct *) call_data; | |
10444 | *result = cb->reason; | |
10445 | } | |
10446 | ||
10447 | ||
a779d213 GM |
10448 | /* Callback for unmapping a file selection dialog. This is used to |
10449 | capture the case where a dialog is closed via a window manager's | |
10450 | closer button, for example. Using a XmNdestroyCallback didn't work | |
10451 | in this case. */ | |
10452 | ||
10453 | static void | |
10454 | file_dialog_unmap_cb (widget, client_data, call_data) | |
10455 | Widget widget; | |
10456 | XtPointer call_data, client_data; | |
10457 | { | |
10458 | int *result = (int *) client_data; | |
10459 | *result = XmCR_CANCEL; | |
10460 | } | |
10461 | ||
10462 | ||
333b20bb | 10463 | DEFUN ("x-file-dialog", Fx_file_dialog, Sx_file_dialog, 2, 4, 0, |
7ee72033 | 10464 | doc: /* Read file name, prompting with PROMPT in directory DIR. |
c061c855 GM |
10465 | Use a file selection dialog. |
10466 | Select DEFAULT-FILENAME in the dialog's file selection box, if | |
10467 | specified. Don't let the user enter a file name in the file | |
7ee72033 MB |
10468 | selection dialog's entry field, if MUSTMATCH is non-nil. */) |
10469 | (prompt, dir, default_filename, mustmatch) | |
333b20bb GM |
10470 | Lisp_Object prompt, dir, default_filename, mustmatch; |
10471 | { | |
10472 | int result; | |
0fe92f72 | 10473 | struct frame *f = SELECTED_FRAME (); |
333b20bb GM |
10474 | Lisp_Object file = Qnil; |
10475 | Widget dialog, text, list, help; | |
10476 | Arg al[10]; | |
10477 | int ac = 0; | |
10478 | extern XtAppContext Xt_app_con; | |
333b20bb | 10479 | XmString dir_xmstring, pattern_xmstring; |
65b21658 | 10480 | int count = SPECPDL_INDEX (); |
333b20bb GM |
10481 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5; |
10482 | ||
10483 | GCPRO5 (prompt, dir, default_filename, mustmatch, file); | |
b7826503 PJ |
10484 | CHECK_STRING (prompt); |
10485 | CHECK_STRING (dir); | |
333b20bb GM |
10486 | |
10487 | /* Prevent redisplay. */ | |
10488 | specbind (Qinhibit_redisplay, Qt); | |
10489 | ||
10490 | BLOCK_INPUT; | |
10491 | ||
10492 | /* Create the dialog with PROMPT as title, using DIR as initial | |
10493 | directory and using "*" as pattern. */ | |
10494 | dir = Fexpand_file_name (dir, Qnil); | |
d5db4077 | 10495 | dir_xmstring = XmStringCreateLocalized (SDATA (dir)); |
333b20bb | 10496 | pattern_xmstring = XmStringCreateLocalized ("*"); |
177c0ea7 | 10497 | |
d5db4077 | 10498 | XtSetArg (al[ac], XmNtitle, SDATA (prompt)); ++ac; |
333b20bb GM |
10499 | XtSetArg (al[ac], XmNdirectory, dir_xmstring); ++ac; |
10500 | XtSetArg (al[ac], XmNpattern, pattern_xmstring); ++ac; | |
10501 | XtSetArg (al[ac], XmNresizePolicy, XmRESIZE_GROW); ++ac; | |
10502 | XtSetArg (al[ac], XmNdialogStyle, XmDIALOG_APPLICATION_MODAL); ++ac; | |
10503 | dialog = XmCreateFileSelectionDialog (f->output_data.x->widget, | |
10504 | "fsb", al, ac); | |
10505 | XmStringFree (dir_xmstring); | |
10506 | XmStringFree (pattern_xmstring); | |
10507 | ||
10508 | /* Add callbacks for OK and Cancel. */ | |
10509 | XtAddCallback (dialog, XmNokCallback, file_dialog_cb, | |
10510 | (XtPointer) &result); | |
10511 | XtAddCallback (dialog, XmNcancelCallback, file_dialog_cb, | |
10512 | (XtPointer) &result); | |
a779d213 GM |
10513 | XtAddCallback (dialog, XmNunmapCallback, file_dialog_unmap_cb, |
10514 | (XtPointer) &result); | |
333b20bb GM |
10515 | |
10516 | /* Disable the help button since we can't display help. */ | |
10517 | help = XmFileSelectionBoxGetChild (dialog, XmDIALOG_HELP_BUTTON); | |
10518 | XtSetSensitive (help, False); | |
10519 | ||
177c0ea7 | 10520 | /* Mark OK button as default. */ |
333b20bb GM |
10521 | XtVaSetValues (XmFileSelectionBoxGetChild (dialog, XmDIALOG_OK_BUTTON), |
10522 | XmNshowAsDefault, True, NULL); | |
10523 | ||
10524 | /* If MUSTMATCH is non-nil, disable the file entry field of the | |
10525 | dialog, so that the user must select a file from the files list | |
10526 | box. We can't remove it because we wouldn't have a way to get at | |
10527 | the result file name, then. */ | |
10528 | text = XmFileSelectionBoxGetChild (dialog, XmDIALOG_TEXT); | |
10529 | if (!NILP (mustmatch)) | |
10530 | { | |
10531 | Widget label; | |
10532 | label = XmFileSelectionBoxGetChild (dialog, XmDIALOG_SELECTION_LABEL); | |
10533 | XtSetSensitive (text, False); | |
10534 | XtSetSensitive (label, False); | |
10535 | } | |
10536 | ||
10537 | /* Manage the dialog, so that list boxes get filled. */ | |
10538 | XtManageChild (dialog); | |
10539 | ||
10540 | /* Select DEFAULT_FILENAME in the files list box. DEFAULT_FILENAME | |
10541 | must include the path for this to work. */ | |
10542 | list = XmFileSelectionBoxGetChild (dialog, XmDIALOG_LIST); | |
10543 | if (STRINGP (default_filename)) | |
10544 | { | |
10545 | XmString default_xmstring; | |
10546 | int item_pos; | |
10547 | ||
10548 | default_xmstring | |
d5db4077 | 10549 | = XmStringCreateLocalized (SDATA (default_filename)); |
333b20bb GM |
10550 | |
10551 | if (!XmListItemExists (list, default_xmstring)) | |
10552 | { | |
10553 | /* Add a new item if DEFAULT_FILENAME is not in the list. */ | |
10554 | XmListAddItem (list, default_xmstring, 0); | |
10555 | item_pos = 0; | |
10556 | } | |
10557 | else | |
10558 | item_pos = XmListItemPos (list, default_xmstring); | |
10559 | XmStringFree (default_xmstring); | |
10560 | ||
10561 | /* Select the item and scroll it into view. */ | |
10562 | XmListSelectPos (list, item_pos, True); | |
10563 | XmListSetPos (list, item_pos); | |
10564 | } | |
10565 | ||
bf338245 | 10566 | /* Process events until the user presses Cancel or OK. */ |
03100098 | 10567 | result = 0; |
a779d213 | 10568 | while (result == 0) |
563b384d | 10569 | { |
bf338245 JD |
10570 | XEvent event; |
10571 | XtAppNextEvent (Xt_app_con, &event); | |
1fcfb866 | 10572 | (void) x_dispatch_event (&event, FRAME_X_DISPLAY (f) ); |
563b384d | 10573 | } |
03100098 | 10574 | |
333b20bb GM |
10575 | /* Get the result. */ |
10576 | if (result == XmCR_OK) | |
10577 | { | |
10578 | XmString text; | |
10579 | String data; | |
177c0ea7 | 10580 | |
d1670063 | 10581 | XtVaGetValues (dialog, XmNtextString, &text, NULL); |
333b20bb GM |
10582 | XmStringGetLtoR (text, XmFONTLIST_DEFAULT_TAG, &data); |
10583 | XmStringFree (text); | |
10584 | file = build_string (data); | |
10585 | XtFree (data); | |
10586 | } | |
10587 | else | |
10588 | file = Qnil; | |
10589 | ||
10590 | /* Clean up. */ | |
10591 | XtUnmanageChild (dialog); | |
10592 | XtDestroyWidget (dialog); | |
10593 | UNBLOCK_INPUT; | |
10594 | UNGCPRO; | |
10595 | ||
10596 | /* Make "Cancel" equivalent to C-g. */ | |
10597 | if (NILP (file)) | |
10598 | Fsignal (Qquit, Qnil); | |
177c0ea7 | 10599 | |
333b20bb GM |
10600 | return unbind_to (count, file); |
10601 | } | |
10602 | ||
10603 | #endif /* USE_MOTIF */ | |
10604 | ||
488dd4c4 JD |
10605 | #ifdef USE_GTK |
10606 | ||
10607 | DEFUN ("x-file-dialog", Fx_file_dialog, Sx_file_dialog, 2, 4, 0, | |
10608 | "Read file name, prompting with PROMPT in directory DIR.\n\ | |
10609 | Use a file selection dialog.\n\ | |
10610 | Select DEFAULT-FILENAME in the dialog's file selection box, if\n\ | |
10611 | specified. Don't let the user enter a file name in the file\n\ | |
10612 | selection dialog's entry field, if MUSTMATCH is non-nil.") | |
10613 | (prompt, dir, default_filename, mustmatch) | |
10614 | Lisp_Object prompt, dir, default_filename, mustmatch; | |
10615 | { | |
10616 | FRAME_PTR f = SELECTED_FRAME (); | |
10617 | char *fn; | |
10618 | Lisp_Object file = Qnil; | |
10619 | int count = specpdl_ptr - specpdl; | |
10620 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5; | |
10621 | char *cdef_file; | |
10622 | char *cprompt; | |
177c0ea7 | 10623 | |
488dd4c4 JD |
10624 | GCPRO5 (prompt, dir, default_filename, mustmatch, file); |
10625 | CHECK_STRING (prompt); | |
10626 | CHECK_STRING (dir); | |
10627 | ||
10628 | /* Prevent redisplay. */ | |
10629 | specbind (Qinhibit_redisplay, Qt); | |
10630 | ||
10631 | BLOCK_INPUT; | |
10632 | ||
10633 | if (STRINGP (default_filename)) | |
10634 | cdef_file = SDATA (default_filename); | |
10635 | else | |
10636 | cdef_file = SDATA (dir); | |
10637 | ||
10638 | fn = xg_get_file_name (f, SDATA (prompt), cdef_file, ! NILP (mustmatch)); | |
177c0ea7 | 10639 | |
488dd4c4 JD |
10640 | if (fn) |
10641 | { | |
10642 | file = build_string (fn); | |
10643 | xfree (fn); | |
10644 | } | |
10645 | ||
10646 | UNBLOCK_INPUT; | |
10647 | UNGCPRO; | |
10648 | ||
10649 | /* Make "Cancel" equivalent to C-g. */ | |
10650 | if (NILP (file)) | |
10651 | Fsignal (Qquit, Qnil); | |
177c0ea7 | 10652 | |
488dd4c4 JD |
10653 | return unbind_to (count, file); |
10654 | } | |
10655 | ||
10656 | #endif /* USE_GTK */ | |
333b20bb GM |
10657 | |
10658 | \f | |
82bab41c GM |
10659 | /*********************************************************************** |
10660 | Keyboard | |
10661 | ***********************************************************************/ | |
10662 | ||
10663 | #ifdef HAVE_XKBGETKEYBOARD | |
10664 | #include <X11/XKBlib.h> | |
10665 | #include <X11/keysym.h> | |
10666 | #endif | |
10667 | ||
10668 | DEFUN ("x-backspace-delete-keys-p", Fx_backspace_delete_keys_p, | |
10669 | Sx_backspace_delete_keys_p, 0, 1, 0, | |
7ee72033 | 10670 | doc: /* Check if both Backspace and Delete keys are on the keyboard of FRAME. |
c061c855 GM |
10671 | FRAME nil means use the selected frame. |
10672 | Value is t if we know that both keys are present, and are mapped to the | |
7ee72033 MB |
10673 | usual X keysyms. */) |
10674 | (frame) | |
82bab41c GM |
10675 | Lisp_Object frame; |
10676 | { | |
10677 | #ifdef HAVE_XKBGETKEYBOARD | |
10678 | XkbDescPtr kb; | |
10679 | struct frame *f = check_x_frame (frame); | |
10680 | Display *dpy = FRAME_X_DISPLAY (f); | |
10681 | Lisp_Object have_keys; | |
46f6a258 | 10682 | int major, minor, op, event, error; |
82bab41c GM |
10683 | |
10684 | BLOCK_INPUT; | |
46f6a258 GM |
10685 | |
10686 | /* Check library version in case we're dynamically linked. */ | |
10687 | major = XkbMajorVersion; | |
10688 | minor = XkbMinorVersion; | |
10689 | if (!XkbLibraryVersion (&major, &minor)) | |
c1efd260 GM |
10690 | { |
10691 | UNBLOCK_INPUT; | |
10692 | return Qnil; | |
10693 | } | |
46f6a258 GM |
10694 | |
10695 | /* Check that the server supports XKB. */ | |
10696 | major = XkbMajorVersion; | |
10697 | minor = XkbMinorVersion; | |
10698 | if (!XkbQueryExtension (dpy, &op, &event, &error, &major, &minor)) | |
c1efd260 GM |
10699 | { |
10700 | UNBLOCK_INPUT; | |
10701 | return Qnil; | |
10702 | } | |
177c0ea7 | 10703 | |
46f6a258 | 10704 | have_keys = Qnil; |
c1efd260 | 10705 | kb = XkbGetMap (dpy, XkbAllMapComponentsMask, XkbUseCoreKbd); |
82bab41c GM |
10706 | if (kb) |
10707 | { | |
10708 | int delete_keycode = 0, backspace_keycode = 0, i; | |
c1efd260 GM |
10709 | |
10710 | if (XkbGetNames (dpy, XkbAllNamesMask, kb) == Success) | |
82bab41c | 10711 | { |
c1efd260 GM |
10712 | for (i = kb->min_key_code; |
10713 | (i < kb->max_key_code | |
10714 | && (delete_keycode == 0 || backspace_keycode == 0)); | |
10715 | ++i) | |
10716 | { | |
d63931a2 GM |
10717 | /* The XKB symbolic key names can be seen most easily in |
10718 | the PS file generated by `xkbprint -label name | |
10719 | $DISPLAY'. */ | |
c1efd260 GM |
10720 | if (bcmp ("DELE", kb->names->keys[i].name, 4) == 0) |
10721 | delete_keycode = i; | |
10722 | else if (bcmp ("BKSP", kb->names->keys[i].name, 4) == 0) | |
10723 | backspace_keycode = i; | |
10724 | } | |
10725 | ||
10726 | XkbFreeNames (kb, 0, True); | |
82bab41c GM |
10727 | } |
10728 | ||
c1efd260 | 10729 | XkbFreeClientMap (kb, 0, True); |
177c0ea7 | 10730 | |
82bab41c GM |
10731 | if (delete_keycode |
10732 | && backspace_keycode | |
10733 | && XKeysymToKeycode (dpy, XK_Delete) == delete_keycode | |
10734 | && XKeysymToKeycode (dpy, XK_BackSpace) == backspace_keycode) | |
10735 | have_keys = Qt; | |
10736 | } | |
10737 | UNBLOCK_INPUT; | |
10738 | return have_keys; | |
10739 | #else /* not HAVE_XKBGETKEYBOARD */ | |
10740 | return Qnil; | |
10741 | #endif /* not HAVE_XKBGETKEYBOARD */ | |
10742 | } | |
10743 | ||
10744 | ||
10745 | \f | |
333b20bb GM |
10746 | /*********************************************************************** |
10747 | Initialization | |
10748 | ***********************************************************************/ | |
10749 | ||
4dacadcc | 10750 | /* Keep this list in the same order as frame_parms in frame.c. |
7c0d3ed8 KS |
10751 | Use 0 for unsupported frame parameters. */ |
10752 | ||
10753 | frame_parm_handler x_frame_parm_handlers[] = | |
10754 | { | |
10755 | x_set_autoraise, | |
10756 | x_set_autolower, | |
10757 | x_set_background_color, | |
10758 | x_set_border_color, | |
10759 | x_set_border_width, | |
10760 | x_set_cursor_color, | |
10761 | x_set_cursor_type, | |
10762 | x_set_font, | |
10763 | x_set_foreground_color, | |
10764 | x_set_icon_name, | |
10765 | x_set_icon_type, | |
10766 | x_set_internal_border_width, | |
10767 | x_set_menu_bar_lines, | |
10768 | x_set_mouse_color, | |
10769 | x_explicitly_set_name, | |
10770 | x_set_scroll_bar_width, | |
10771 | x_set_title, | |
10772 | x_set_unsplittable, | |
10773 | x_set_vertical_scroll_bars, | |
10774 | x_set_visibility, | |
10775 | x_set_tool_bar_lines, | |
10776 | x_set_scroll_bar_foreground, | |
10777 | x_set_scroll_bar_background, | |
10778 | x_set_screen_gamma, | |
10779 | x_set_line_spacing, | |
10780 | x_set_fringe_width, | |
10781 | x_set_fringe_width, | |
10782 | x_set_wait_for_wm, | |
10783 | x_set_fullscreen, | |
10784 | }; | |
10785 | ||
333b20bb GM |
10786 | void |
10787 | syms_of_xfns () | |
10788 | { | |
10789 | /* This is zero if not using X windows. */ | |
10790 | x_in_use = 0; | |
10791 | ||
10792 | /* The section below is built by the lisp expression at the top of the file, | |
10793 | just above where these variables are declared. */ | |
10794 | /*&&& init symbols here &&&*/ | |
baaed68e JB |
10795 | Qnone = intern ("none"); |
10796 | staticpro (&Qnone); | |
8af1d7ca JB |
10797 | Qsuppress_icon = intern ("suppress-icon"); |
10798 | staticpro (&Qsuppress_icon); | |
01f1ba30 | 10799 | Qundefined_color = intern ("undefined-color"); |
f9942c9e | 10800 | staticpro (&Qundefined_color); |
7c7ff7f5 GM |
10801 | Qcenter = intern ("center"); |
10802 | staticpro (&Qcenter); | |
96db09e4 KH |
10803 | Qcompound_text = intern ("compound-text"); |
10804 | staticpro (&Qcompound_text); | |
ae782866 GM |
10805 | Qcancel_timer = intern ("cancel-timer"); |
10806 | staticpro (&Qcancel_timer); | |
f9942c9e JB |
10807 | /* This is the end of symbol initialization. */ |
10808 | ||
58cad5ed KH |
10809 | /* Text property `display' should be nonsticky by default. */ |
10810 | Vtext_property_default_nonsticky | |
10811 | = Fcons (Fcons (Qdisplay, Qt), Vtext_property_default_nonsticky); | |
10812 | ||
10813 | ||
333b20bb GM |
10814 | Qlaplace = intern ("laplace"); |
10815 | staticpro (&Qlaplace); | |
4a8e312c GM |
10816 | Qemboss = intern ("emboss"); |
10817 | staticpro (&Qemboss); | |
10818 | Qedge_detection = intern ("edge-detection"); | |
10819 | staticpro (&Qedge_detection); | |
10820 | Qheuristic = intern ("heuristic"); | |
10821 | staticpro (&Qheuristic); | |
10822 | QCmatrix = intern (":matrix"); | |
10823 | staticpro (&QCmatrix); | |
10824 | QCcolor_adjustment = intern (":color-adjustment"); | |
10825 | staticpro (&QCcolor_adjustment); | |
10826 | QCmask = intern (":mask"); | |
10827 | staticpro (&QCmask); | |
177c0ea7 | 10828 | |
01f1ba30 JB |
10829 | Fput (Qundefined_color, Qerror_conditions, |
10830 | Fcons (Qundefined_color, Fcons (Qerror, Qnil))); | |
10831 | Fput (Qundefined_color, Qerror_message, | |
10832 | build_string ("Undefined color")); | |
10833 | ||
7ee72033 MB |
10834 | DEFVAR_BOOL ("cross-disabled-images", &cross_disabled_images, |
10835 | doc: /* Non-nil means always draw a cross over disabled images. | |
c061c855 GM |
10836 | Disabled images are those having an `:conversion disabled' property. |
10837 | A cross is always drawn on black & white displays. */); | |
14819cb3 GM |
10838 | cross_disabled_images = 0; |
10839 | ||
7ee72033 | 10840 | DEFVAR_LISP ("x-bitmap-file-path", &Vx_bitmap_file_path, |
c5903437 | 10841 | doc: /* List of directories to search for window system bitmap files. */); |
e241c09b | 10842 | Vx_bitmap_file_path = decode_env_path ((char *) 0, PATH_BITMAPS); |
f1c7b5a6 | 10843 | |
7ee72033 MB |
10844 | DEFVAR_LISP ("x-pointer-shape", &Vx_pointer_shape, |
10845 | doc: /* The shape of the pointer when over text. | |
c061c855 GM |
10846 | Changing the value does not affect existing frames |
10847 | unless you set the mouse color. */); | |
01f1ba30 JB |
10848 | Vx_pointer_shape = Qnil; |
10849 | ||
ca0ecbf5 | 10850 | #if 0 /* This doesn't really do anything. */ |
7ee72033 MB |
10851 | DEFVAR_LISP ("x-nontext-pointer-shape", &Vx_nontext_pointer_shape, |
10852 | doc: /* The shape of the pointer when not over text. | |
c061c855 GM |
10853 | This variable takes effect when you create a new frame |
10854 | or when you set the mouse color. */); | |
af01ef26 | 10855 | #endif |
01f1ba30 JB |
10856 | Vx_nontext_pointer_shape = Qnil; |
10857 | ||
7ee72033 MB |
10858 | DEFVAR_LISP ("x-hourglass-pointer-shape", &Vx_hourglass_pointer_shape, |
10859 | doc: /* The shape of the pointer when Emacs is busy. | |
c061c855 GM |
10860 | This variable takes effect when you create a new frame |
10861 | or when you set the mouse color. */); | |
0af913d7 | 10862 | Vx_hourglass_pointer_shape = Qnil; |
333b20bb | 10863 | |
7ee72033 MB |
10864 | DEFVAR_BOOL ("display-hourglass", &display_hourglass_p, |
10865 | doc: /* Non-zero means Emacs displays an hourglass pointer on window systems. */); | |
0af913d7 | 10866 | display_hourglass_p = 1; |
177c0ea7 | 10867 | |
7ee72033 MB |
10868 | DEFVAR_LISP ("hourglass-delay", &Vhourglass_delay, |
10869 | doc: /* *Seconds to wait before displaying an hourglass pointer. | |
c061c855 | 10870 | Value must be an integer or float. */); |
0af913d7 | 10871 | Vhourglass_delay = make_number (DEFAULT_HOURGLASS_DELAY); |
4ae9a85e | 10872 | |
ca0ecbf5 | 10873 | #if 0 /* This doesn't really do anything. */ |
7ee72033 MB |
10874 | DEFVAR_LISP ("x-mode-pointer-shape", &Vx_mode_pointer_shape, |
10875 | doc: /* The shape of the pointer when over the mode line. | |
c061c855 GM |
10876 | This variable takes effect when you create a new frame |
10877 | or when you set the mouse color. */); | |
af01ef26 | 10878 | #endif |
01f1ba30 JB |
10879 | Vx_mode_pointer_shape = Qnil; |
10880 | ||
d3b06468 | 10881 | DEFVAR_LISP ("x-sensitive-text-pointer-shape", |
7ee72033 MB |
10882 | &Vx_sensitive_text_pointer_shape, |
10883 | doc: /* The shape of the pointer when over mouse-sensitive text. | |
c061c855 GM |
10884 | This variable takes effect when you create a new frame |
10885 | or when you set the mouse color. */); | |
ca0ecbf5 | 10886 | Vx_sensitive_text_pointer_shape = Qnil; |
95f80c78 | 10887 | |
8fb4ec9c | 10888 | DEFVAR_LISP ("x-window-horizontal-drag-cursor", |
7ee72033 MB |
10889 | &Vx_window_horizontal_drag_shape, |
10890 | doc: /* Pointer shape to use for indicating a window can be dragged horizontally. | |
c061c855 GM |
10891 | This variable takes effect when you create a new frame |
10892 | or when you set the mouse color. */); | |
8fb4ec9c GM |
10893 | Vx_window_horizontal_drag_shape = Qnil; |
10894 | ||
7ee72033 MB |
10895 | DEFVAR_LISP ("x-cursor-fore-pixel", &Vx_cursor_fore_pixel, |
10896 | doc: /* A string indicating the foreground color of the cursor box. */); | |
01f1ba30 JB |
10897 | Vx_cursor_fore_pixel = Qnil; |
10898 | ||
7ee72033 MB |
10899 | DEFVAR_LISP ("x-max-tooltip-size", &Vx_max_tooltip_size, |
10900 | doc: /* Maximum size for tooltips. Value is a pair (COLUMNS . ROWS). | |
c061c855 | 10901 | Text larger than this is clipped. */); |
d63931a2 | 10902 | Vx_max_tooltip_size = Fcons (make_number (80), make_number (40)); |
177c0ea7 | 10903 | |
7ee72033 MB |
10904 | DEFVAR_LISP ("x-no-window-manager", &Vx_no_window_manager, |
10905 | doc: /* Non-nil if no X window manager is in use. | |
c061c855 GM |
10906 | Emacs doesn't try to figure this out; this is always nil |
10907 | unless you set it to something else. */); | |
2d38195d RS |
10908 | /* We don't have any way to find this out, so set it to nil |
10909 | and maybe the user would like to set it to t. */ | |
10910 | Vx_no_window_manager = Qnil; | |
1d3dac41 | 10911 | |
942ea06d | 10912 | DEFVAR_LISP ("x-pixel-size-width-font-regexp", |
7ee72033 MB |
10913 | &Vx_pixel_size_width_font_regexp, |
10914 | doc: /* Regexp matching a font name whose width is the same as `PIXEL_SIZE'. | |
c061c855 GM |
10915 | |
10916 | Since Emacs gets width of a font matching with this regexp from | |
10917 | PIXEL_SIZE field of the name, font finding mechanism gets faster for | |
10918 | such a font. This is especially effective for such large fonts as | |
10919 | Chinese, Japanese, and Korean. */); | |
942ea06d KH |
10920 | Vx_pixel_size_width_font_regexp = Qnil; |
10921 | ||
7ee72033 MB |
10922 | DEFVAR_LISP ("image-cache-eviction-delay", &Vimage_cache_eviction_delay, |
10923 | doc: /* Time after which cached images are removed from the cache. | |
c061c855 GM |
10924 | When an image has not been displayed this many seconds, remove it |
10925 | from the image cache. Value must be an integer or nil with nil | |
10926 | meaning don't clear the cache. */); | |
fcf431dc | 10927 | Vimage_cache_eviction_delay = make_number (30 * 60); |
333b20bb | 10928 | |
1d3dac41 | 10929 | #ifdef USE_X_TOOLKIT |
6f3f6a8d | 10930 | Fprovide (intern ("x-toolkit"), Qnil); |
5b827abb | 10931 | #ifdef USE_MOTIF |
6f3f6a8d | 10932 | Fprovide (intern ("motif"), Qnil); |
fc2cdd9a | 10933 | |
7ee72033 MB |
10934 | DEFVAR_LISP ("motif-version-string", &Vmotif_version_string, |
10935 | doc: /* Version info for LessTif/Motif. */); | |
fc2cdd9a GM |
10936 | Vmotif_version_string = build_string (XmVERSION_STRING); |
10937 | #endif /* USE_MOTIF */ | |
10938 | #endif /* USE_X_TOOLKIT */ | |
01f1ba30 | 10939 | |
8a16bd4f LK |
10940 | #ifdef USE_GTK |
10941 | Fprovide (intern ("gtk"), Qnil); | |
10942 | ||
10943 | DEFVAR_LISP ("gtk-version-string", &Vgtk_version_string, | |
10944 | doc: /* Version info for GTK+. */); | |
10945 | { | |
10946 | char gtk_version[40]; | |
10947 | g_snprintf (gtk_version, sizeof (gtk_version), "%u.%u.%u", | |
10948 | GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION); | |
10949 | Vgtk_version_string = build_string (gtk_version); | |
10950 | } | |
10951 | #endif /* USE_GTK */ | |
10952 | ||
333b20bb GM |
10953 | /* X window properties. */ |
10954 | defsubr (&Sx_change_window_property); | |
10955 | defsubr (&Sx_delete_window_property); | |
10956 | defsubr (&Sx_window_property); | |
10957 | ||
2d764c78 | 10958 | defsubr (&Sxw_display_color_p); |
d0c9d219 | 10959 | defsubr (&Sx_display_grayscale_p); |
2d764c78 EZ |
10960 | defsubr (&Sxw_color_defined_p); |
10961 | defsubr (&Sxw_color_values); | |
9d317b2c | 10962 | defsubr (&Sx_server_max_request_size); |
41beb8fc RS |
10963 | defsubr (&Sx_server_vendor); |
10964 | defsubr (&Sx_server_version); | |
10965 | defsubr (&Sx_display_pixel_width); | |
10966 | defsubr (&Sx_display_pixel_height); | |
10967 | defsubr (&Sx_display_mm_width); | |
10968 | defsubr (&Sx_display_mm_height); | |
10969 | defsubr (&Sx_display_screens); | |
10970 | defsubr (&Sx_display_planes); | |
10971 | defsubr (&Sx_display_color_cells); | |
10972 | defsubr (&Sx_display_visual_class); | |
10973 | defsubr (&Sx_display_backing_store); | |
10974 | defsubr (&Sx_display_save_under); | |
f676886a | 10975 | defsubr (&Sx_create_frame); |
01f1ba30 | 10976 | defsubr (&Sx_open_connection); |
08a90d6a RS |
10977 | defsubr (&Sx_close_connection); |
10978 | defsubr (&Sx_display_list); | |
01f1ba30 | 10979 | defsubr (&Sx_synchronize); |
3decc1e7 | 10980 | defsubr (&Sx_focus_frame); |
82bab41c | 10981 | defsubr (&Sx_backspace_delete_keys_p); |
177c0ea7 | 10982 | |
942ea06d KH |
10983 | /* Setting callback functions for fontset handler. */ |
10984 | get_font_info_func = x_get_font_info; | |
333b20bb GM |
10985 | |
10986 | #if 0 /* This function pointer doesn't seem to be used anywhere. | |
10987 | And the pointer assigned has the wrong type, anyway. */ | |
942ea06d | 10988 | list_fonts_func = x_list_fonts; |
333b20bb | 10989 | #endif |
177c0ea7 | 10990 | |
942ea06d | 10991 | load_font_func = x_load_font; |
bc1958c4 | 10992 | find_ccl_program_func = x_find_ccl_program; |
942ea06d KH |
10993 | query_font_func = x_query_font; |
10994 | set_frame_fontset_func = x_set_font; | |
10995 | check_window_system_func = check_x; | |
333b20bb GM |
10996 | |
10997 | /* Images. */ | |
10998 | Qxbm = intern ("xbm"); | |
10999 | staticpro (&Qxbm); | |
d2dc8167 GM |
11000 | QCconversion = intern (":conversion"); |
11001 | staticpro (&QCconversion); | |
333b20bb GM |
11002 | QCheuristic_mask = intern (":heuristic-mask"); |
11003 | staticpro (&QCheuristic_mask); | |
11004 | QCcolor_symbols = intern (":color-symbols"); | |
11005 | staticpro (&QCcolor_symbols); | |
333b20bb GM |
11006 | QCascent = intern (":ascent"); |
11007 | staticpro (&QCascent); | |
11008 | QCmargin = intern (":margin"); | |
11009 | staticpro (&QCmargin); | |
11010 | QCrelief = intern (":relief"); | |
11011 | staticpro (&QCrelief); | |
fcf431dc GM |
11012 | Qpostscript = intern ("postscript"); |
11013 | staticpro (&Qpostscript); | |
333b20bb GM |
11014 | QCloader = intern (":loader"); |
11015 | staticpro (&QCloader); | |
11016 | QCbounding_box = intern (":bounding-box"); | |
11017 | staticpro (&QCbounding_box); | |
11018 | QCpt_width = intern (":pt-width"); | |
11019 | staticpro (&QCpt_width); | |
11020 | QCpt_height = intern (":pt-height"); | |
11021 | staticpro (&QCpt_height); | |
3ccff1e3 GM |
11022 | QCindex = intern (":index"); |
11023 | staticpro (&QCindex); | |
333b20bb GM |
11024 | Qpbm = intern ("pbm"); |
11025 | staticpro (&Qpbm); | |
11026 | ||
11027 | #if HAVE_XPM | |
11028 | Qxpm = intern ("xpm"); | |
11029 | staticpro (&Qxpm); | |
11030 | #endif | |
177c0ea7 | 11031 | |
333b20bb GM |
11032 | #if HAVE_JPEG |
11033 | Qjpeg = intern ("jpeg"); | |
11034 | staticpro (&Qjpeg); | |
177c0ea7 | 11035 | #endif |
333b20bb GM |
11036 | |
11037 | #if HAVE_TIFF | |
11038 | Qtiff = intern ("tiff"); | |
11039 | staticpro (&Qtiff); | |
177c0ea7 | 11040 | #endif |
333b20bb GM |
11041 | |
11042 | #if HAVE_GIF | |
11043 | Qgif = intern ("gif"); | |
11044 | staticpro (&Qgif); | |
11045 | #endif | |
11046 | ||
11047 | #if HAVE_PNG | |
11048 | Qpng = intern ("png"); | |
11049 | staticpro (&Qpng); | |
11050 | #endif | |
11051 | ||
11052 | defsubr (&Sclear_image_cache); | |
42677916 | 11053 | defsubr (&Simage_size); |
b243755a | 11054 | defsubr (&Simage_mask_p); |
333b20bb | 11055 | |
0af913d7 GM |
11056 | hourglass_atimer = NULL; |
11057 | hourglass_shown_p = 0; | |
333b20bb GM |
11058 | |
11059 | defsubr (&Sx_show_tip); | |
11060 | defsubr (&Sx_hide_tip); | |
333b20bb | 11061 | tip_timer = Qnil; |
44b5a125 GM |
11062 | staticpro (&tip_timer); |
11063 | tip_frame = Qnil; | |
11064 | staticpro (&tip_frame); | |
333b20bb | 11065 | |
06d62053 GM |
11066 | last_show_tip_args = Qnil; |
11067 | staticpro (&last_show_tip_args); | |
11068 | ||
333b20bb GM |
11069 | #ifdef USE_MOTIF |
11070 | defsubr (&Sx_file_dialog); | |
11071 | #endif | |
11072 | } | |
11073 | ||
11074 | ||
11075 | void | |
11076 | init_xfns () | |
11077 | { | |
11078 | image_types = NULL; | |
11079 | Vimage_types = Qnil; | |
177c0ea7 | 11080 | |
333b20bb GM |
11081 | define_image_type (&xbm_type); |
11082 | define_image_type (&gs_type); | |
11083 | define_image_type (&pbm_type); | |
177c0ea7 | 11084 | |
333b20bb GM |
11085 | #if HAVE_XPM |
11086 | define_image_type (&xpm_type); | |
11087 | #endif | |
177c0ea7 | 11088 | |
333b20bb GM |
11089 | #if HAVE_JPEG |
11090 | define_image_type (&jpeg_type); | |
11091 | #endif | |
177c0ea7 | 11092 | |
333b20bb GM |
11093 | #if HAVE_TIFF |
11094 | define_image_type (&tiff_type); | |
11095 | #endif | |
177c0ea7 | 11096 | |
333b20bb GM |
11097 | #if HAVE_GIF |
11098 | define_image_type (&gif_type); | |
11099 | #endif | |
177c0ea7 | 11100 | |
333b20bb GM |
11101 | #if HAVE_PNG |
11102 | define_image_type (&png_type); | |
11103 | #endif | |
01f1ba30 JB |
11104 | } |
11105 | ||
11106 | #endif /* HAVE_X_WINDOWS */ | |
ab5796a9 MB |
11107 | |
11108 | /* arch-tag: 55040d02-5485-4d58-8b22-95a7a05f3288 | |
11109 | (do not change this comment) */ |