Commit | Line | Data |
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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> |
0f8c4c4f | 45 | #include "character.h" |
942ea06d | 46 | #include "charset.h" |
96db09e4 | 47 | #include "coding.h" |
942ea06d | 48 | #include "fontset.h" |
333b20bb GM |
49 | #include "systime.h" |
50 | #include "termhooks.h" | |
4ae9a85e | 51 | #include "atimer.h" |
01f1ba30 JB |
52 | |
53 | #ifdef HAVE_X_WINDOWS | |
67ba84d1 | 54 | |
67ba84d1 | 55 | #include <ctype.h> |
63cec32f GM |
56 | #include <sys/types.h> |
57 | #include <sys/stat.h> | |
01f1ba30 | 58 | |
0a93081c | 59 | #ifndef VMS |
0505a740 | 60 | #if 1 /* Used to be #ifdef EMACS_BITMAP_FILES, but this should always work. */ |
ef493a27 RS |
61 | #include "bitmaps/gray.xbm" |
62 | #else | |
dbc4e1c1 | 63 | #include <X11/bitmaps/gray> |
ef493a27 | 64 | #endif |
0a93081c JB |
65 | #else |
66 | #include "[.bitmaps]gray.xbm" | |
67 | #endif | |
dbc4e1c1 | 68 | |
488dd4c4 JD |
69 | #ifdef USE_GTK |
70 | #include "gtkutil.h" | |
71 | #endif | |
72 | ||
9ef48a9d RS |
73 | #ifdef USE_X_TOOLKIT |
74 | #include <X11/Shell.h> | |
75 | ||
398ffa92 | 76 | #ifndef USE_MOTIF |
9ef48a9d RS |
77 | #include <X11/Xaw/Paned.h> |
78 | #include <X11/Xaw/Label.h> | |
398ffa92 | 79 | #endif /* USE_MOTIF */ |
9ef48a9d RS |
80 | |
81 | #ifdef USG | |
82 | #undef USG /* ####KLUDGE for Solaris 2.2 and up */ | |
83 | #include <X11/Xos.h> | |
84 | #define USG | |
85 | #else | |
86 | #include <X11/Xos.h> | |
87 | #endif | |
88 | ||
89 | #include "widget.h" | |
90 | ||
91 | #include "../lwlib/lwlib.h" | |
92 | ||
333b20bb GM |
93 | #ifdef USE_MOTIF |
94 | #include <Xm/Xm.h> | |
95 | #include <Xm/DialogS.h> | |
96 | #include <Xm/FileSB.h> | |
97 | #endif | |
98 | ||
3b882b1d RS |
99 | /* Do the EDITRES protocol if running X11R5 |
100 | Exception: HP-UX (at least version A.09.05) has X11R5 without EditRes */ | |
333b20bb | 101 | |
3b882b1d | 102 | #if (XtSpecificationRelease >= 5) && !defined(NO_EDITRES) |
6c32dd68 | 103 | #define HACK_EDITRES |
b9dc4443 | 104 | extern void _XEditResCheckMessages (); |
6c32dd68 PR |
105 | #endif /* R5 + Athena */ |
106 | ||
333b20bb GM |
107 | /* Unique id counter for widgets created by the Lucid Widget Library. */ |
108 | ||
6c32dd68 PR |
109 | extern LWLIB_ID widget_id_tick; |
110 | ||
e3881aa0 | 111 | #ifdef USE_LUCID |
82c90203 | 112 | /* This is part of a kludge--see lwlib/xlwmenu.c. */ |
03e2c340 | 113 | extern XFontStruct *xlwmenu_default_font; |
e3881aa0 | 114 | #endif |
9ef48a9d | 115 | |
6bc20398 | 116 | extern void free_frame_menubar (); |
d62c8769 | 117 | extern double atof (); |
333b20bb | 118 | |
fc2cdd9a GM |
119 | #ifdef USE_MOTIF |
120 | ||
121 | /* LessTif/Motif version info. */ | |
122 | ||
123 | static Lisp_Object Vmotif_version_string; | |
124 | ||
125 | #endif /* USE_MOTIF */ | |
126 | ||
9ef48a9d RS |
127 | #endif /* USE_X_TOOLKIT */ |
128 | ||
9d317b2c RS |
129 | #ifdef HAVE_X11R4 |
130 | #define MAXREQUEST(dpy) (XMaxRequestSize (dpy)) | |
131 | #else | |
132 | #define MAXREQUEST(dpy) ((dpy)->max_request_size) | |
133 | #endif | |
134 | ||
333b20bb GM |
135 | /* The gray bitmap `bitmaps/gray'. This is done because xterm.c uses |
136 | it, and including `bitmaps/gray' more than once is a problem when | |
137 | config.h defines `static' as an empty replacement string. */ | |
138 | ||
139 | int gray_bitmap_width = gray_width; | |
140 | int gray_bitmap_height = gray_height; | |
62906360 | 141 | char *gray_bitmap_bits = gray_bits; |
333b20bb | 142 | |
0af913d7 | 143 | /* Non-zero means we're allowed to display an hourglass cursor. */ |
333b20bb | 144 | |
0af913d7 | 145 | int display_hourglass_p; |
333b20bb | 146 | |
01f1ba30 | 147 | /* The background and shape of the mouse pointer, and shape when not |
b9dc4443 | 148 | over text or in the modeline. */ |
333b20bb | 149 | |
01f1ba30 | 150 | Lisp_Object Vx_pointer_shape, Vx_nontext_pointer_shape, Vx_mode_pointer_shape; |
0af913d7 | 151 | Lisp_Object Vx_hourglass_pointer_shape; |
333b20bb | 152 | |
ca0ecbf5 | 153 | /* The shape when over mouse-sensitive text. */ |
333b20bb | 154 | |
ca0ecbf5 | 155 | Lisp_Object Vx_sensitive_text_pointer_shape; |
01f1ba30 | 156 | |
8fb4ec9c GM |
157 | /* If non-nil, the pointer shape to indicate that windows can be |
158 | dragged horizontally. */ | |
159 | ||
160 | Lisp_Object Vx_window_horizontal_drag_shape; | |
161 | ||
b9dc4443 | 162 | /* Color of chars displayed in cursor box. */ |
333b20bb | 163 | |
01f1ba30 JB |
164 | Lisp_Object Vx_cursor_fore_pixel; |
165 | ||
b9dc4443 | 166 | /* Nonzero if using X. */ |
333b20bb | 167 | |
b9dc4443 | 168 | static int x_in_use; |
01f1ba30 | 169 | |
b9dc4443 | 170 | /* Non nil if no window manager is in use. */ |
333b20bb | 171 | |
01f1ba30 JB |
172 | Lisp_Object Vx_no_window_manager; |
173 | ||
f1c7b5a6 | 174 | /* Search path for bitmap files. */ |
333b20bb | 175 | |
f1c7b5a6 RS |
176 | Lisp_Object Vx_bitmap_file_path; |
177 | ||
942ea06d | 178 | /* Regexp matching a font name whose width is the same as `PIXEL_SIZE'. */ |
333b20bb | 179 | |
942ea06d KH |
180 | Lisp_Object Vx_pixel_size_width_font_regexp; |
181 | ||
baaed68e | 182 | Lisp_Object Qnone; |
8af1d7ca | 183 | Lisp_Object Qsuppress_icon; |
01f1ba30 | 184 | Lisp_Object Qundefined_color; |
7c0d3ed8 | 185 | Lisp_Object Qcenter; |
ae782866 | 186 | Lisp_Object Qcompound_text, Qcancel_timer; |
01f1ba30 | 187 | |
7c0d3ed8 | 188 | /* In dispnew.c */ |
f9942c9e | 189 | |
01f1ba30 JB |
190 | extern Lisp_Object Vwindow_system_version; |
191 | ||
7c0d3ed8 | 192 | /* The below are defined in frame.c. */ |
333b20bb | 193 | |
f1d2ce7f | 194 | #if GLYPH_DEBUG |
eaf1eea9 GM |
195 | int image_cache_refcount, dpyinfo_refcount; |
196 | #endif | |
197 | ||
198 | ||
01f1ba30 | 199 | \f |
11ae94fe | 200 | /* Error if we are not connected to X. */ |
333b20bb | 201 | |
7fc9de26 | 202 | void |
11ae94fe RS |
203 | check_x () |
204 | { | |
b9dc4443 | 205 | if (! x_in_use) |
11ae94fe RS |
206 | error ("X windows are not in use or not initialized"); |
207 | } | |
208 | ||
1c59f5df RS |
209 | /* Nonzero if we can use mouse menus. |
210 | You should not call this unless HAVE_MENUS is defined. */ | |
75cc8ee5 RS |
211 | |
212 | int | |
1c59f5df | 213 | have_menus_p () |
75cc8ee5 | 214 | { |
b9dc4443 RS |
215 | return x_in_use; |
216 | } | |
217 | ||
218 | /* Extract a frame as a FRAME_PTR, defaulting to the selected frame | |
219 | and checking validity for X. */ | |
220 | ||
221 | FRAME_PTR | |
222 | check_x_frame (frame) | |
223 | Lisp_Object frame; | |
224 | { | |
225 | FRAME_PTR f; | |
226 | ||
227 | if (NILP (frame)) | |
0fe92f72 | 228 | frame = selected_frame; |
b7826503 | 229 | CHECK_LIVE_FRAME (frame); |
0fe92f72 | 230 | f = XFRAME (frame); |
b9dc4443 | 231 | if (! FRAME_X_P (f)) |
1c59f5df | 232 | error ("Non-X frame used"); |
b9dc4443 | 233 | return f; |
75cc8ee5 RS |
234 | } |
235 | ||
b9dc4443 RS |
236 | /* Let the user specify an X display with a frame. |
237 | nil stands for the selected frame--or, if that is not an X frame, | |
238 | the first X display on the list. */ | |
239 | ||
7c0d3ed8 | 240 | struct x_display_info * |
b9dc4443 RS |
241 | check_x_display_info (frame) |
242 | Lisp_Object frame; | |
243 | { | |
8ec8a5ec | 244 | struct x_display_info *dpyinfo = NULL; |
177c0ea7 | 245 | |
b9dc4443 RS |
246 | if (NILP (frame)) |
247 | { | |
0fe92f72 | 248 | struct frame *sf = XFRAME (selected_frame); |
177c0ea7 | 249 | |
0fe92f72 | 250 | if (FRAME_X_P (sf) && FRAME_LIVE_P (sf)) |
8ec8a5ec | 251 | dpyinfo = FRAME_X_DISPLAY_INFO (sf); |
b9dc4443 | 252 | else if (x_display_list != 0) |
8ec8a5ec | 253 | dpyinfo = x_display_list; |
b9dc4443 RS |
254 | else |
255 | error ("X windows are not in use or not initialized"); | |
256 | } | |
257 | else if (STRINGP (frame)) | |
8ec8a5ec | 258 | dpyinfo = x_display_info_for_name (frame); |
b9dc4443 RS |
259 | else |
260 | { | |
ba4c10fd | 261 | FRAME_PTR f = check_x_frame (frame); |
8ec8a5ec | 262 | dpyinfo = FRAME_X_DISPLAY_INFO (f); |
b9dc4443 | 263 | } |
8ec8a5ec GM |
264 | |
265 | return dpyinfo; | |
b9dc4443 | 266 | } |
333b20bb | 267 | |
b9dc4443 | 268 | \f |
f676886a JB |
269 | /* Return the Emacs frame-object corresponding to an X window. |
270 | It could be the frame's main window or an icon window. */ | |
01f1ba30 | 271 | |
34ca5317 | 272 | /* This function can be called during GC, so use GC_xxx type test macros. */ |
bcb2db92 | 273 | |
f676886a | 274 | struct frame * |
2d271e2e KH |
275 | x_window_to_frame (dpyinfo, wdesc) |
276 | struct x_display_info *dpyinfo; | |
01f1ba30 JB |
277 | int wdesc; |
278 | { | |
f676886a JB |
279 | Lisp_Object tail, frame; |
280 | struct frame *f; | |
01f1ba30 | 281 | |
8e713be6 | 282 | for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail)) |
01f1ba30 | 283 | { |
8e713be6 | 284 | frame = XCAR (tail); |
34ca5317 | 285 | if (!GC_FRAMEP (frame)) |
01f1ba30 | 286 | continue; |
f676886a | 287 | f = XFRAME (frame); |
2d764c78 | 288 | if (!FRAME_X_P (f) || FRAME_X_DISPLAY_INFO (f) != dpyinfo) |
2d271e2e | 289 | continue; |
0af913d7 | 290 | if (f->output_data.x->hourglass_window == wdesc) |
17cbbf95 | 291 | return f; |
9ef48a9d | 292 | #ifdef USE_X_TOOLKIT |
177c0ea7 | 293 | if ((f->output_data.x->edit_widget |
7556890b | 294 | && XtWindow (f->output_data.x->edit_widget) == wdesc) |
333b20bb GM |
295 | /* A tooltip frame? */ |
296 | || (!f->output_data.x->edit_widget | |
297 | && FRAME_X_WINDOW (f) == wdesc) | |
7556890b | 298 | || f->output_data.x->icon_desc == wdesc) |
9ef48a9d RS |
299 | return f; |
300 | #else /* not USE_X_TOOLKIT */ | |
488dd4c4 JD |
301 | #ifdef USE_GTK |
302 | if (f->output_data.x->edit_widget) | |
303 | { | |
304 | GtkWidget *gwdesc = xg_win_to_widget (wdesc); | |
305 | struct x_output *x = f->output_data.x; | |
306 | if (gwdesc != 0 && gwdesc == x->edit_widget) | |
307 | return f; | |
308 | } | |
309 | #endif /* USE_GTK */ | |
fe24a618 | 310 | if (FRAME_X_WINDOW (f) == wdesc |
7556890b | 311 | || f->output_data.x->icon_desc == wdesc) |
f676886a | 312 | return f; |
9ef48a9d RS |
313 | #endif /* not USE_X_TOOLKIT */ |
314 | } | |
315 | return 0; | |
316 | } | |
317 | ||
488dd4c4 | 318 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
9ef48a9d RS |
319 | /* Like x_window_to_frame but also compares the window with the widget's |
320 | windows. */ | |
321 | ||
322 | struct frame * | |
2d271e2e KH |
323 | x_any_window_to_frame (dpyinfo, wdesc) |
324 | struct x_display_info *dpyinfo; | |
9ef48a9d RS |
325 | int wdesc; |
326 | { | |
327 | Lisp_Object tail, frame; | |
17cbbf95 | 328 | struct frame *f, *found; |
7556890b | 329 | struct x_output *x; |
9ef48a9d | 330 | |
17cbbf95 GM |
331 | found = NULL; |
332 | for (tail = Vframe_list; GC_CONSP (tail) && !found; tail = XCDR (tail)) | |
9ef48a9d | 333 | { |
8e713be6 | 334 | frame = XCAR (tail); |
34ca5317 | 335 | if (!GC_FRAMEP (frame)) |
9ef48a9d | 336 | continue; |
177c0ea7 | 337 | |
9ef48a9d | 338 | f = XFRAME (frame); |
17cbbf95 | 339 | if (FRAME_X_P (f) && FRAME_X_DISPLAY_INFO (f) == dpyinfo) |
333b20bb | 340 | { |
17cbbf95 GM |
341 | /* This frame matches if the window is any of its widgets. */ |
342 | x = f->output_data.x; | |
0af913d7 | 343 | if (x->hourglass_window == wdesc) |
17cbbf95 GM |
344 | found = f; |
345 | else if (x->widget) | |
346 | { | |
488dd4c4 JD |
347 | #ifdef USE_GTK |
348 | GtkWidget *gwdesc = xg_win_to_widget (wdesc); | |
349 | if (gwdesc != 0 | |
350 | && (gwdesc == x->widget | |
351 | || gwdesc == x->edit_widget | |
352 | || gwdesc == x->vbox_widget | |
353 | || gwdesc == x->menubar_widget)) | |
354 | found = f; | |
355 | #else | |
177c0ea7 JB |
356 | if (wdesc == XtWindow (x->widget) |
357 | || wdesc == XtWindow (x->column_widget) | |
17cbbf95 GM |
358 | || wdesc == XtWindow (x->edit_widget)) |
359 | found = f; | |
360 | /* Match if the window is this frame's menubar. */ | |
361 | else if (lw_window_is_in_menubar (wdesc, x->menubar_widget)) | |
362 | found = f; | |
488dd4c4 | 363 | #endif |
17cbbf95 GM |
364 | } |
365 | else if (FRAME_X_WINDOW (f) == wdesc) | |
366 | /* A tooltip frame. */ | |
367 | found = f; | |
333b20bb | 368 | } |
01f1ba30 | 369 | } |
177c0ea7 | 370 | |
17cbbf95 | 371 | return found; |
01f1ba30 | 372 | } |
5e65b9ab | 373 | |
5fbc3f3a KH |
374 | /* Likewise, but exclude the menu bar widget. */ |
375 | ||
376 | struct frame * | |
377 | x_non_menubar_window_to_frame (dpyinfo, wdesc) | |
378 | struct x_display_info *dpyinfo; | |
379 | int wdesc; | |
380 | { | |
381 | Lisp_Object tail, frame; | |
382 | struct frame *f; | |
7556890b | 383 | struct x_output *x; |
5fbc3f3a | 384 | |
8e713be6 | 385 | for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail)) |
5fbc3f3a | 386 | { |
8e713be6 | 387 | frame = XCAR (tail); |
5fbc3f3a KH |
388 | if (!GC_FRAMEP (frame)) |
389 | continue; | |
390 | f = XFRAME (frame); | |
2d764c78 | 391 | if (!FRAME_X_P (f) || FRAME_X_DISPLAY_INFO (f) != dpyinfo) |
5fbc3f3a | 392 | continue; |
7556890b | 393 | x = f->output_data.x; |
5fbc3f3a | 394 | /* This frame matches if the window is any of its widgets. */ |
0af913d7 | 395 | if (x->hourglass_window == wdesc) |
17cbbf95 GM |
396 | return f; |
397 | else if (x->widget) | |
333b20bb | 398 | { |
488dd4c4 JD |
399 | #ifdef USE_GTK |
400 | GtkWidget *gwdesc = xg_win_to_widget (wdesc); | |
401 | if (gwdesc != 0 | |
402 | && (gwdesc == x->widget | |
403 | || gwdesc == x->edit_widget | |
404 | || gwdesc == x->vbox_widget)) | |
405 | return f; | |
406 | #else | |
177c0ea7 JB |
407 | if (wdesc == XtWindow (x->widget) |
408 | || wdesc == XtWindow (x->column_widget) | |
333b20bb GM |
409 | || wdesc == XtWindow (x->edit_widget)) |
410 | return f; | |
488dd4c4 | 411 | #endif |
333b20bb GM |
412 | } |
413 | else if (FRAME_X_WINDOW (f) == wdesc) | |
414 | /* A tooltip frame. */ | |
5fbc3f3a KH |
415 | return f; |
416 | } | |
417 | return 0; | |
418 | } | |
419 | ||
fd3a3022 RS |
420 | /* Likewise, but consider only the menu bar widget. */ |
421 | ||
422 | struct frame * | |
423 | x_menubar_window_to_frame (dpyinfo, wdesc) | |
424 | struct x_display_info *dpyinfo; | |
425 | int wdesc; | |
426 | { | |
427 | Lisp_Object tail, frame; | |
428 | struct frame *f; | |
7556890b | 429 | struct x_output *x; |
fd3a3022 | 430 | |
8e713be6 | 431 | for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail)) |
fd3a3022 | 432 | { |
8e713be6 | 433 | frame = XCAR (tail); |
fd3a3022 RS |
434 | if (!GC_FRAMEP (frame)) |
435 | continue; | |
436 | f = XFRAME (frame); | |
2d764c78 | 437 | if (!FRAME_X_P (f) || FRAME_X_DISPLAY_INFO (f) != dpyinfo) |
fd3a3022 | 438 | continue; |
7556890b | 439 | x = f->output_data.x; |
fd3a3022 | 440 | /* Match if the window is this frame's menubar. */ |
488dd4c4 JD |
441 | #ifdef USE_GTK |
442 | if (x->menubar_widget) | |
443 | { | |
444 | GtkWidget *gwdesc = xg_win_to_widget (wdesc); | |
445 | int found = 0; | |
177c0ea7 | 446 | |
488dd4c4 JD |
447 | BLOCK_INPUT; |
448 | if (gwdesc != 0 | |
449 | && (gwdesc == x->menubar_widget | |
450 | || gtk_widget_get_parent (gwdesc) == x->menubar_widget)) | |
451 | found = 1; | |
452 | UNBLOCK_INPUT; | |
453 | if (found) return f; | |
454 | } | |
455 | #else | |
333b20bb GM |
456 | if (x->menubar_widget |
457 | && lw_window_is_in_menubar (wdesc, x->menubar_widget)) | |
fd3a3022 | 458 | return f; |
488dd4c4 | 459 | #endif |
fd3a3022 RS |
460 | } |
461 | return 0; | |
462 | } | |
463 | ||
5e65b9ab RS |
464 | /* Return the frame whose principal (outermost) window is WDESC. |
465 | If WDESC is some other (smaller) window, we return 0. */ | |
466 | ||
467 | struct frame * | |
2d271e2e KH |
468 | x_top_window_to_frame (dpyinfo, wdesc) |
469 | struct x_display_info *dpyinfo; | |
5e65b9ab RS |
470 | int wdesc; |
471 | { | |
472 | Lisp_Object tail, frame; | |
473 | struct frame *f; | |
7556890b | 474 | struct x_output *x; |
5e65b9ab | 475 | |
8e713be6 | 476 | for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail)) |
5e65b9ab | 477 | { |
8e713be6 | 478 | frame = XCAR (tail); |
34ca5317 | 479 | if (!GC_FRAMEP (frame)) |
5e65b9ab RS |
480 | continue; |
481 | f = XFRAME (frame); | |
2d764c78 | 482 | if (!FRAME_X_P (f) || FRAME_X_DISPLAY_INFO (f) != dpyinfo) |
2d271e2e | 483 | continue; |
7556890b | 484 | x = f->output_data.x; |
333b20bb GM |
485 | |
486 | if (x->widget) | |
487 | { | |
488 | /* This frame matches if the window is its topmost widget. */ | |
488dd4c4 JD |
489 | #ifdef USE_GTK |
490 | GtkWidget *gwdesc = xg_win_to_widget (wdesc); | |
491 | if (gwdesc == x->widget) | |
492 | return f; | |
493 | #else | |
333b20bb GM |
494 | if (wdesc == XtWindow (x->widget)) |
495 | return f; | |
7a994728 KH |
496 | #if 0 /* I don't know why it did this, |
497 | but it seems logically wrong, | |
498 | and it causes trouble for MapNotify events. */ | |
333b20bb | 499 | /* Match if the window is this frame's menubar. */ |
177c0ea7 | 500 | if (x->menubar_widget |
333b20bb GM |
501 | && wdesc == XtWindow (x->menubar_widget)) |
502 | return f; | |
488dd4c4 | 503 | #endif |
7a994728 | 504 | #endif |
333b20bb GM |
505 | } |
506 | else if (FRAME_X_WINDOW (f) == wdesc) | |
507 | /* Tooltip frame. */ | |
508 | return f; | |
5e65b9ab RS |
509 | } |
510 | return 0; | |
511 | } | |
488dd4c4 | 512 | #endif /* USE_X_TOOLKIT || USE_GTK */ |
01f1ba30 | 513 | |
01f1ba30 | 514 | \f |
203c1d73 RS |
515 | |
516 | /* Code to deal with bitmaps. Bitmaps are referenced by their bitmap | |
517 | id, which is just an int that this section returns. Bitmaps are | |
518 | reference counted so they can be shared among frames. | |
519 | ||
520 | Bitmap indices are guaranteed to be > 0, so a negative number can | |
521 | be used to indicate no bitmap. | |
522 | ||
523 | If you use x_create_bitmap_from_data, then you must keep track of | |
524 | the bitmaps yourself. That is, creating a bitmap from the same | |
b9dc4443 | 525 | data more than once will not be caught. */ |
203c1d73 RS |
526 | |
527 | ||
f1c7b5a6 RS |
528 | /* Functions to access the contents of a bitmap, given an id. */ |
529 | ||
530 | int | |
531 | x_bitmap_height (f, id) | |
532 | FRAME_PTR f; | |
533 | int id; | |
534 | { | |
08a90d6a | 535 | return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].height; |
f1c7b5a6 RS |
536 | } |
537 | ||
538 | int | |
539 | x_bitmap_width (f, id) | |
540 | FRAME_PTR f; | |
541 | int id; | |
542 | { | |
08a90d6a | 543 | return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].width; |
f1c7b5a6 RS |
544 | } |
545 | ||
546 | int | |
547 | x_bitmap_pixmap (f, id) | |
548 | FRAME_PTR f; | |
549 | int id; | |
550 | { | |
08a90d6a | 551 | return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].pixmap; |
f1c7b5a6 RS |
552 | } |
553 | ||
993d0721 JB |
554 | int |
555 | x_bitmap_mask (f, id) | |
556 | FRAME_PTR f; | |
557 | int id; | |
558 | { | |
559 | return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].mask; | |
560 | } | |
561 | ||
f1c7b5a6 | 562 | |
203c1d73 RS |
563 | /* Allocate a new bitmap record. Returns index of new record. */ |
564 | ||
565 | static int | |
08a90d6a RS |
566 | x_allocate_bitmap_record (f) |
567 | FRAME_PTR f; | |
203c1d73 | 568 | { |
08a90d6a RS |
569 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
570 | int i; | |
571 | ||
572 | if (dpyinfo->bitmaps == NULL) | |
203c1d73 | 573 | { |
08a90d6a RS |
574 | dpyinfo->bitmaps_size = 10; |
575 | dpyinfo->bitmaps | |
576 | = (struct x_bitmap_record *) xmalloc (dpyinfo->bitmaps_size * sizeof (struct x_bitmap_record)); | |
577 | dpyinfo->bitmaps_last = 1; | |
203c1d73 RS |
578 | return 1; |
579 | } | |
580 | ||
08a90d6a RS |
581 | if (dpyinfo->bitmaps_last < dpyinfo->bitmaps_size) |
582 | return ++dpyinfo->bitmaps_last; | |
203c1d73 | 583 | |
08a90d6a RS |
584 | for (i = 0; i < dpyinfo->bitmaps_size; ++i) |
585 | if (dpyinfo->bitmaps[i].refcount == 0) | |
586 | return i + 1; | |
203c1d73 | 587 | |
08a90d6a RS |
588 | dpyinfo->bitmaps_size *= 2; |
589 | dpyinfo->bitmaps | |
590 | = (struct x_bitmap_record *) xrealloc (dpyinfo->bitmaps, | |
591 | dpyinfo->bitmaps_size * sizeof (struct x_bitmap_record)); | |
592 | return ++dpyinfo->bitmaps_last; | |
203c1d73 RS |
593 | } |
594 | ||
595 | /* Add one reference to the reference count of the bitmap with id ID. */ | |
596 | ||
597 | void | |
f1c7b5a6 RS |
598 | x_reference_bitmap (f, id) |
599 | FRAME_PTR f; | |
203c1d73 RS |
600 | int id; |
601 | { | |
08a90d6a | 602 | ++FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].refcount; |
203c1d73 RS |
603 | } |
604 | ||
605 | /* Create a bitmap for frame F from a HEIGHT x WIDTH array of bits at BITS. */ | |
606 | ||
607 | int | |
608 | x_create_bitmap_from_data (f, bits, width, height) | |
609 | struct frame *f; | |
610 | char *bits; | |
611 | unsigned int width, height; | |
612 | { | |
08a90d6a | 613 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
203c1d73 RS |
614 | Pixmap bitmap; |
615 | int id; | |
616 | ||
b9dc4443 | 617 | bitmap = XCreateBitmapFromData (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
203c1d73 RS |
618 | bits, width, height); |
619 | ||
7c0d3ed8 KS |
620 | |
621 | ||
203c1d73 RS |
622 | if (! bitmap) |
623 | return -1; | |
624 | ||
08a90d6a RS |
625 | id = x_allocate_bitmap_record (f); |
626 | dpyinfo->bitmaps[id - 1].pixmap = bitmap; | |
97e7188e | 627 | dpyinfo->bitmaps[id - 1].have_mask = 0; |
08a90d6a RS |
628 | dpyinfo->bitmaps[id - 1].file = NULL; |
629 | dpyinfo->bitmaps[id - 1].refcount = 1; | |
630 | dpyinfo->bitmaps[id - 1].depth = 1; | |
631 | dpyinfo->bitmaps[id - 1].height = height; | |
632 | dpyinfo->bitmaps[id - 1].width = width; | |
203c1d73 RS |
633 | |
634 | return id; | |
635 | } | |
636 | ||
637 | /* Create bitmap from file FILE for frame F. */ | |
638 | ||
639 | int | |
640 | x_create_bitmap_from_file (f, file) | |
641 | struct frame *f; | |
f1c7b5a6 | 642 | Lisp_Object file; |
203c1d73 | 643 | { |
08a90d6a | 644 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
203c1d73 RS |
645 | unsigned int width, height; |
646 | Pixmap bitmap; | |
647 | int xhot, yhot, result, id; | |
f1c7b5a6 RS |
648 | Lisp_Object found; |
649 | int fd; | |
650 | char *filename; | |
203c1d73 RS |
651 | |
652 | /* Look for an existing bitmap with the same name. */ | |
08a90d6a | 653 | for (id = 0; id < dpyinfo->bitmaps_last; ++id) |
203c1d73 | 654 | { |
08a90d6a RS |
655 | if (dpyinfo->bitmaps[id].refcount |
656 | && dpyinfo->bitmaps[id].file | |
d5db4077 | 657 | && !strcmp (dpyinfo->bitmaps[id].file, (char *) SDATA (file))) |
203c1d73 | 658 | { |
08a90d6a | 659 | ++dpyinfo->bitmaps[id].refcount; |
203c1d73 RS |
660 | return id + 1; |
661 | } | |
662 | } | |
663 | ||
f1c7b5a6 | 664 | /* Search bitmap-file-path for the file, if appropriate. */ |
de2413e9 | 665 | fd = openp (Vx_bitmap_file_path, file, Qnil, &found, Qnil); |
f1c7b5a6 RS |
666 | if (fd < 0) |
667 | return -1; | |
68c45bf0 | 668 | emacs_close (fd); |
f1c7b5a6 | 669 | |
d5db4077 | 670 | filename = (char *) SDATA (found); |
f1c7b5a6 | 671 | |
b9dc4443 | 672 | result = XReadBitmapFile (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
f1c7b5a6 | 673 | filename, &width, &height, &bitmap, &xhot, &yhot); |
203c1d73 RS |
674 | if (result != BitmapSuccess) |
675 | return -1; | |
676 | ||
08a90d6a RS |
677 | id = x_allocate_bitmap_record (f); |
678 | dpyinfo->bitmaps[id - 1].pixmap = bitmap; | |
97e7188e | 679 | dpyinfo->bitmaps[id - 1].have_mask = 0; |
08a90d6a | 680 | dpyinfo->bitmaps[id - 1].refcount = 1; |
9f2a85b2 | 681 | dpyinfo->bitmaps[id - 1].file |
d5db4077 | 682 | = (char *) xmalloc (SBYTES (file) + 1); |
08a90d6a RS |
683 | dpyinfo->bitmaps[id - 1].depth = 1; |
684 | dpyinfo->bitmaps[id - 1].height = height; | |
685 | dpyinfo->bitmaps[id - 1].width = width; | |
d5db4077 | 686 | strcpy (dpyinfo->bitmaps[id - 1].file, SDATA (file)); |
203c1d73 RS |
687 | |
688 | return id; | |
689 | } | |
690 | ||
691 | /* Remove reference to bitmap with id number ID. */ | |
692 | ||
968b1234 | 693 | void |
f1c7b5a6 RS |
694 | x_destroy_bitmap (f, id) |
695 | FRAME_PTR f; | |
203c1d73 RS |
696 | int id; |
697 | { | |
08a90d6a RS |
698 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
699 | ||
203c1d73 RS |
700 | if (id > 0) |
701 | { | |
08a90d6a RS |
702 | --dpyinfo->bitmaps[id - 1].refcount; |
703 | if (dpyinfo->bitmaps[id - 1].refcount == 0) | |
203c1d73 | 704 | { |
ed662bdd | 705 | BLOCK_INPUT; |
08a90d6a | 706 | XFreePixmap (FRAME_X_DISPLAY (f), dpyinfo->bitmaps[id - 1].pixmap); |
97e7188e KH |
707 | if (dpyinfo->bitmaps[id - 1].have_mask) |
708 | XFreePixmap (FRAME_X_DISPLAY (f), dpyinfo->bitmaps[id - 1].mask); | |
08a90d6a | 709 | if (dpyinfo->bitmaps[id - 1].file) |
203c1d73 | 710 | { |
333b20bb | 711 | xfree (dpyinfo->bitmaps[id - 1].file); |
08a90d6a | 712 | dpyinfo->bitmaps[id - 1].file = NULL; |
203c1d73 | 713 | } |
ed662bdd | 714 | UNBLOCK_INPUT; |
203c1d73 RS |
715 | } |
716 | } | |
717 | } | |
718 | ||
08a90d6a | 719 | /* Free all the bitmaps for the display specified by DPYINFO. */ |
203c1d73 | 720 | |
08a90d6a RS |
721 | static void |
722 | x_destroy_all_bitmaps (dpyinfo) | |
723 | struct x_display_info *dpyinfo; | |
203c1d73 | 724 | { |
08a90d6a RS |
725 | int i; |
726 | for (i = 0; i < dpyinfo->bitmaps_last; i++) | |
727 | if (dpyinfo->bitmaps[i].refcount > 0) | |
728 | { | |
729 | XFreePixmap (dpyinfo->display, dpyinfo->bitmaps[i].pixmap); | |
97e7188e KH |
730 | if (dpyinfo->bitmaps[i].have_mask) |
731 | XFreePixmap (dpyinfo->display, dpyinfo->bitmaps[i].mask); | |
08a90d6a | 732 | if (dpyinfo->bitmaps[i].file) |
333b20bb | 733 | xfree (dpyinfo->bitmaps[i].file); |
08a90d6a RS |
734 | } |
735 | dpyinfo->bitmaps_last = 0; | |
203c1d73 RS |
736 | } |
737 | \f | |
01f1ba30 | 738 | |
993d0721 JB |
739 | |
740 | ||
741 | /* Useful functions defined in the section | |
742 | `Image type independent image structures' below. */ | |
743 | ||
744 | static unsigned long four_corners_best P_ ((XImage *ximg, unsigned long width, | |
745 | unsigned long height)); | |
746 | ||
747 | static int x_create_x_image_and_pixmap P_ ((struct frame *f, int width, int height, | |
748 | int depth, XImage **ximg, | |
749 | Pixmap *pixmap)); | |
750 | ||
751 | static void x_destroy_x_image P_ ((XImage *ximg)); | |
752 | ||
753 | ||
754 | /* Create a mask of a bitmap. Note is this not a perfect mask. | |
755 | It's nicer with some borders in this context */ | |
756 | ||
757 | int | |
758 | x_create_bitmap_mask(f, id) | |
759 | struct frame *f; | |
760 | int id; | |
761 | { | |
762 | Pixmap pixmap, mask; | |
763 | XImage *ximg, *mask_img; | |
764 | unsigned long width, height; | |
765 | int result; | |
766 | unsigned long bg; | |
767 | unsigned long x, y, xp, xm, yp, ym; | |
768 | GC gc; | |
769 | ||
993d0721 JB |
770 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
771 | ||
772 | if (!(id > 0)) | |
773 | return -1; | |
774 | ||
775 | pixmap = x_bitmap_pixmap(f, id); | |
776 | width = x_bitmap_width(f, id); | |
777 | height = x_bitmap_height(f, id); | |
778 | ||
779 | BLOCK_INPUT; | |
780 | ximg = XGetImage (FRAME_X_DISPLAY (f), pixmap, 0, 0, width, height, | |
781 | ~0, ZPixmap); | |
782 | ||
783 | if (!ximg) | |
784 | { | |
785 | UNBLOCK_INPUT; | |
786 | return -1; | |
787 | } | |
788 | ||
789 | result = x_create_x_image_and_pixmap (f, width, height, 1, &mask_img, &mask); | |
790 | ||
791 | UNBLOCK_INPUT; | |
792 | if (!result) | |
793 | { | |
794 | XDestroyImage(ximg); | |
795 | return -1; | |
796 | } | |
797 | ||
798 | bg = four_corners_best (ximg, width, height); | |
799 | ||
800 | for (y = 0; y < ximg->height; ++y) | |
801 | { | |
802 | for (x = 0; x < ximg->width; ++x) | |
803 | { | |
804 | xp = x != ximg->width - 1 ? x + 1 : 0; | |
805 | xm = x != 0 ? x - 1 : ximg->width - 1; | |
806 | yp = y != ximg->height - 1 ? y + 1 : 0; | |
807 | ym = y != 0 ? y - 1 : ximg->height - 1; | |
808 | if (XGetPixel (ximg, x, y) == bg | |
809 | && XGetPixel (ximg, x, yp) == bg | |
810 | && XGetPixel (ximg, x, ym) == bg | |
811 | && XGetPixel (ximg, xp, y) == bg | |
812 | && XGetPixel (ximg, xp, yp) == bg | |
813 | && XGetPixel (ximg, xp, ym) == bg | |
814 | && XGetPixel (ximg, xm, y) == bg | |
815 | && XGetPixel (ximg, xm, yp) == bg | |
816 | && XGetPixel (ximg, xm, ym) == bg) | |
817 | XPutPixel (mask_img, x, y, 0); | |
818 | else | |
819 | XPutPixel (mask_img, x, y, 1); | |
820 | } | |
821 | } | |
822 | ||
823 | xassert (interrupt_input_blocked); | |
824 | gc = XCreateGC (FRAME_X_DISPLAY (f), mask, 0, NULL); | |
825 | XPutImage (FRAME_X_DISPLAY (f), mask, gc, mask_img, 0, 0, 0, 0, | |
826 | width, height); | |
827 | XFreeGC (FRAME_X_DISPLAY (f), gc); | |
828 | ||
97e7188e | 829 | dpyinfo->bitmaps[id - 1].have_mask = 1; |
993d0721 JB |
830 | dpyinfo->bitmaps[id - 1].mask = mask; |
831 | ||
832 | XDestroyImage (ximg); | |
833 | x_destroy_x_image(mask_img); | |
834 | ||
835 | return 0; | |
836 | } | |
837 | ||
eaf1eea9 GM |
838 | static Lisp_Object unwind_create_frame P_ ((Lisp_Object)); |
839 | static Lisp_Object unwind_create_tip_frame P_ ((Lisp_Object)); | |
14819cb3 | 840 | static void x_disable_image P_ ((struct frame *, struct image *)); |
7c0d3ed8 | 841 | |
d62c8769 | 842 | void x_set_foreground_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
ea0a1f53 | 843 | static void x_set_wait_for_wm P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
d62c8769 GM |
844 | void x_set_background_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
845 | void x_set_mouse_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
846 | void x_set_cursor_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
847 | void x_set_border_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
848 | void x_set_cursor_type P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
849 | void x_set_icon_type P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
850 | void x_set_icon_name P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
d62c8769 | 851 | void x_explicitly_set_name P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
d62c8769 | 852 | void x_set_menu_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
d62c8769 | 853 | void x_set_title P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
9ea173e8 | 854 | void x_set_tool_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
333b20bb GM |
855 | void x_set_scroll_bar_foreground P_ ((struct frame *, Lisp_Object, |
856 | Lisp_Object)); | |
857 | void x_set_scroll_bar_background P_ ((struct frame *, Lisp_Object, | |
858 | Lisp_Object)); | |
859 | static Lisp_Object x_default_scroll_bar_color_parameter P_ ((struct frame *, | |
860 | Lisp_Object, | |
861 | Lisp_Object, | |
862 | char *, char *, | |
863 | int)); | |
4a8e312c GM |
864 | static void x_edge_detection P_ ((struct frame *, struct image *, Lisp_Object, |
865 | Lisp_Object)); | |
b243755a GM |
866 | static void init_color_table P_ ((void)); |
867 | static void free_color_table P_ ((void)); | |
868 | static unsigned long *colors_in_color_table P_ ((int *n)); | |
869 | static unsigned long lookup_rgb_color P_ ((struct frame *f, int r, int g, int b)); | |
870 | static unsigned long lookup_pixel_color P_ ((struct frame *f, unsigned long p)); | |
871 | ||
872 | ||
01f1ba30 | 873 | |
01f1ba30 | 874 | \f |
49d41073 | 875 | |
08a90d6a | 876 | /* Store the screen positions of frame F into XPTR and YPTR. |
e9445337 RS |
877 | These are the positions of the containing window manager window, |
878 | not Emacs's own window. */ | |
879 | ||
880 | void | |
881 | x_real_positions (f, xptr, yptr) | |
882 | FRAME_PTR f; | |
883 | int *xptr, *yptr; | |
884 | { | |
49d41073 EZ |
885 | int win_x, win_y, outer_x, outer_y; |
886 | int real_x = 0, real_y = 0; | |
887 | int had_errors = 0; | |
888 | Window win = f->output_data.x->parent_desc; | |
e9445337 | 889 | |
49d41073 | 890 | int count; |
043835a3 | 891 | |
49d41073 EZ |
892 | BLOCK_INPUT; |
893 | ||
894 | count = x_catch_errors (FRAME_X_DISPLAY (f)); | |
043835a3 | 895 | |
49d41073 EZ |
896 | if (win == FRAME_X_DISPLAY_INFO (f)->root_window) |
897 | win = FRAME_OUTER_WINDOW (f); | |
898 | ||
899 | /* This loop traverses up the containment tree until we hit the root | |
900 | window. Window managers may intersect many windows between our window | |
901 | and the root window. The window we find just before the root window | |
902 | should be the outer WM window. */ | |
903 | for (;;) | |
e9445337 | 904 | { |
49d41073 EZ |
905 | Window wm_window, rootw; |
906 | Window *tmp_children; | |
907 | unsigned int tmp_nchildren; | |
e7161ad9 | 908 | int success; |
ca7bac79 | 909 | |
e7161ad9 RS |
910 | success = XQueryTree (FRAME_X_DISPLAY (f), win, &rootw, |
911 | &wm_window, &tmp_children, &tmp_nchildren); | |
08a90d6a | 912 | |
49d41073 | 913 | had_errors = x_had_errors_p (FRAME_X_DISPLAY (f)); |
08a90d6a | 914 | |
e7161ad9 RS |
915 | /* Don't free tmp_children if XQueryTree failed. */ |
916 | if (! success) | |
917 | break; | |
918 | ||
919 | XFree ((char *) tmp_children); | |
920 | ||
49d41073 EZ |
921 | if (wm_window == rootw || had_errors) |
922 | break; | |
08a90d6a | 923 | |
49d41073 EZ |
924 | win = wm_window; |
925 | } | |
177c0ea7 | 926 | |
49d41073 EZ |
927 | if (! had_errors) |
928 | { | |
929 | int ign; | |
930 | Window child, rootw; | |
177c0ea7 | 931 | |
49d41073 EZ |
932 | /* Get the real coordinates for the WM window upper left corner */ |
933 | XGetGeometry (FRAME_X_DISPLAY (f), win, | |
934 | &rootw, &real_x, &real_y, &ign, &ign, &ign, &ign); | |
935 | ||
936 | /* Translate real coordinates to coordinates relative to our | |
937 | window. For our window, the upper left corner is 0, 0. | |
938 | Since the upper left corner of the WM window is outside | |
939 | our window, win_x and win_y will be negative: | |
940 | ||
941 | ------------------ ---> x | |
942 | | title | | |
943 | | ----------------- v y | |
944 | | | our window | |
945 | */ | |
8a07bba0 | 946 | XTranslateCoordinates (FRAME_X_DISPLAY (f), |
e9445337 | 947 | |
8a07bba0 | 948 | /* From-window, to-window. */ |
8a07bba0 | 949 | FRAME_X_DISPLAY_INFO (f)->root_window, |
49d41073 | 950 | FRAME_X_WINDOW (f), |
e9445337 | 951 | |
8a07bba0 | 952 | /* From-position, to-position. */ |
49d41073 | 953 | real_x, real_y, &win_x, &win_y, |
08a90d6a | 954 | |
8a07bba0 RS |
955 | /* Child of win. */ |
956 | &child); | |
e9445337 | 957 | |
49d41073 | 958 | if (FRAME_X_WINDOW (f) == FRAME_OUTER_WINDOW (f)) |
845e9d85 | 959 | { |
49d41073 EZ |
960 | outer_x = win_x; |
961 | outer_y = win_y; | |
845e9d85 | 962 | } |
49d41073 EZ |
963 | else |
964 | { | |
965 | XTranslateCoordinates (FRAME_X_DISPLAY (f), | |
ca7bac79 | 966 | |
49d41073 EZ |
967 | /* From-window, to-window. */ |
968 | FRAME_X_DISPLAY_INFO (f)->root_window, | |
969 | FRAME_OUTER_WINDOW (f), | |
177c0ea7 | 970 | |
49d41073 EZ |
971 | /* From-position, to-position. */ |
972 | real_x, real_y, &outer_x, &outer_y, | |
177c0ea7 | 973 | |
49d41073 EZ |
974 | /* Child of win. */ |
975 | &child); | |
be786000 | 976 | } |
08a90d6a | 977 | |
49d41073 EZ |
978 | had_errors = x_had_errors_p (FRAME_X_DISPLAY (f)); |
979 | } | |
177c0ea7 | 980 | |
49d41073 | 981 | x_uncatch_errors (FRAME_X_DISPLAY (f), count); |
177c0ea7 | 982 | |
49d41073 EZ |
983 | UNBLOCK_INPUT; |
984 | ||
985 | if (had_errors) return; | |
177c0ea7 | 986 | |
be786000 KS |
987 | f->x_pixels_diff = -win_x; |
988 | f->y_pixels_diff = -win_y; | |
989 | ||
990 | FRAME_X_OUTPUT (f)->x_pixels_outer_diff = -outer_x; | |
991 | FRAME_X_OUTPUT (f)->y_pixels_outer_diff = -outer_y; | |
49d41073 EZ |
992 | |
993 | *xptr = real_x; | |
994 | *yptr = real_y; | |
e9445337 RS |
995 | } |
996 | ||
01f1ba30 | 997 | \f |
82978295 | 998 | |
d62c8769 GM |
999 | |
1000 | /* Gamma-correct COLOR on frame F. */ | |
1001 | ||
1002 | void | |
1003 | gamma_correct (f, color) | |
1004 | struct frame *f; | |
1005 | XColor *color; | |
1006 | { | |
1007 | if (f->gamma) | |
1008 | { | |
1009 | color->red = pow (color->red / 65535.0, f->gamma) * 65535.0 + 0.5; | |
1010 | color->green = pow (color->green / 65535.0, f->gamma) * 65535.0 + 0.5; | |
1011 | color->blue = pow (color->blue / 65535.0, f->gamma) * 65535.0 + 0.5; | |
1012 | } | |
1013 | } | |
1014 | ||
1015 | ||
7b746c38 GM |
1016 | /* Decide if color named COLOR_NAME is valid for use on frame F. If |
1017 | so, return the RGB values in COLOR. If ALLOC_P is non-zero, | |
1018 | allocate the color. Value is zero if COLOR_NAME is invalid, or | |
1019 | no color could be allocated. */ | |
e12d55b2 | 1020 | |
01f1ba30 | 1021 | int |
7b746c38 GM |
1022 | x_defined_color (f, color_name, color, alloc_p) |
1023 | struct frame *f; | |
1024 | char *color_name; | |
1025 | XColor *color; | |
1026 | int alloc_p; | |
01f1ba30 | 1027 | { |
7b746c38 GM |
1028 | int success_p; |
1029 | Display *dpy = FRAME_X_DISPLAY (f); | |
1030 | Colormap cmap = FRAME_X_COLORMAP (f); | |
01f1ba30 JB |
1031 | |
1032 | BLOCK_INPUT; | |
7b746c38 GM |
1033 | success_p = XParseColor (dpy, cmap, color_name, color); |
1034 | if (success_p && alloc_p) | |
1035 | success_p = x_alloc_nearest_color (f, cmap, color); | |
01f1ba30 JB |
1036 | UNBLOCK_INPUT; |
1037 | ||
7b746c38 | 1038 | return success_p; |
01f1ba30 JB |
1039 | } |
1040 | ||
9b2956e2 GM |
1041 | |
1042 | /* Return the pixel color value for color COLOR_NAME on frame F. If F | |
1043 | is a monochrome frame, return MONO_COLOR regardless of what ARG says. | |
1044 | Signal an error if color can't be allocated. */ | |
01f1ba30 JB |
1045 | |
1046 | int | |
9b2956e2 | 1047 | x_decode_color (f, color_name, mono_color) |
b9dc4443 | 1048 | FRAME_PTR f; |
9b2956e2 GM |
1049 | Lisp_Object color_name; |
1050 | int mono_color; | |
01f1ba30 | 1051 | { |
b9dc4443 | 1052 | XColor cdef; |
01f1ba30 | 1053 | |
b7826503 | 1054 | CHECK_STRING (color_name); |
01f1ba30 | 1055 | |
9b2956e2 GM |
1056 | #if 0 /* Don't do this. It's wrong when we're not using the default |
1057 | colormap, it makes freeing difficult, and it's probably not | |
1058 | an important optimization. */ | |
d5db4077 | 1059 | if (strcmp (SDATA (color_name), "black") == 0) |
b9dc4443 | 1060 | return BLACK_PIX_DEFAULT (f); |
d5db4077 | 1061 | else if (strcmp (SDATA (color_name), "white") == 0) |
b9dc4443 | 1062 | return WHITE_PIX_DEFAULT (f); |
9b2956e2 | 1063 | #endif |
01f1ba30 | 1064 | |
9b2956e2 | 1065 | /* Return MONO_COLOR for monochrome frames. */ |
b9dc4443 | 1066 | if (FRAME_X_DISPLAY_INFO (f)->n_planes == 1) |
9b2956e2 | 1067 | return mono_color; |
01f1ba30 | 1068 | |
2d764c78 | 1069 | /* x_defined_color is responsible for coping with failures |
95626e11 | 1070 | by looking for a near-miss. */ |
d5db4077 | 1071 | if (x_defined_color (f, SDATA (color_name), &cdef, 1)) |
95626e11 RS |
1072 | return cdef.pixel; |
1073 | ||
c301be26 GM |
1074 | Fsignal (Qerror, Fcons (build_string ("Undefined color"), |
1075 | Fcons (color_name, Qnil))); | |
1076 | return 0; | |
01f1ba30 | 1077 | } |
9b2956e2 GM |
1078 | |
1079 | ||
01f1ba30 | 1080 | \f |
ea0a1f53 GM |
1081 | /* Change the `wait-for-wm' frame parameter of frame F. OLD_VALUE is |
1082 | the previous value of that parameter, NEW_VALUE is the new value. | |
1083 | See also the comment of wait_for_wm in struct x_output. */ | |
1084 | ||
1085 | static void | |
1086 | x_set_wait_for_wm (f, new_value, old_value) | |
1087 | struct frame *f; | |
1088 | Lisp_Object new_value, old_value; | |
1089 | { | |
1090 | f->output_data.x->wait_for_wm = !NILP (new_value); | |
1091 | } | |
1092 | ||
993d0721 JB |
1093 | #ifdef USE_GTK |
1094 | ||
465aa50a JD |
1095 | static Lisp_Object x_find_image_file P_ ((Lisp_Object file)); |
1096 | ||
1097 | /* Set icon from FILE for frame F. By using GTK functions the icon | |
1098 | may be any format that GdkPixbuf knows about, i.e. not just bitmaps. */ | |
993d0721 JB |
1099 | |
1100 | int | |
1101 | xg_set_icon(f, file) | |
465aa50a | 1102 | FRAME_PTR f; |
993d0721 JB |
1103 | Lisp_Object file; |
1104 | { | |
465aa50a JD |
1105 | struct gcpro gcpro1; |
1106 | int result = 0; | |
1107 | Lisp_Object found; | |
993d0721 | 1108 | |
465aa50a | 1109 | GCPRO1 (found); |
993d0721 | 1110 | |
465aa50a JD |
1111 | found = x_find_image_file (file); |
1112 | ||
1113 | if (! NILP (found)) | |
1114 | { | |
1115 | GdkPixbuf *pixbuf; | |
1116 | GError *err = NULL; | |
1117 | char *filename; | |
1118 | ||
1119 | filename = SDATA (found); | |
1120 | BLOCK_INPUT; | |
1121 | ||
1122 | pixbuf = gdk_pixbuf_new_from_file (filename, &err); | |
1123 | ||
1124 | if (pixbuf) | |
1125 | { | |
1126 | gtk_window_set_icon (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)), | |
1127 | pixbuf); | |
1128 | g_object_unref (pixbuf); | |
1129 | ||
1130 | result = 1; | |
1131 | } | |
1132 | else | |
1133 | g_error_free (err); | |
1134 | ||
1135 | UNBLOCK_INPUT; | |
1136 | } | |
1137 | ||
1138 | UNGCPRO; | |
1139 | return result; | |
993d0721 JB |
1140 | } |
1141 | #endif /* USE_GTK */ | |
1142 | ||
ea0a1f53 | 1143 | |
f676886a | 1144 | /* Functions called only from `x_set_frame_param' |
01f1ba30 JB |
1145 | to set individual parameters. |
1146 | ||
fe24a618 | 1147 | If FRAME_X_WINDOW (f) is 0, |
f676886a | 1148 | the frame is being created and its X-window does not exist yet. |
01f1ba30 JB |
1149 | In that case, just record the parameter's new value |
1150 | in the standard place; do not attempt to change the window. */ | |
1151 | ||
1152 | void | |
f676886a JB |
1153 | x_set_foreground_color (f, arg, oldval) |
1154 | struct frame *f; | |
01f1ba30 JB |
1155 | Lisp_Object arg, oldval; |
1156 | { | |
09393d07 GM |
1157 | struct x_output *x = f->output_data.x; |
1158 | unsigned long fg, old_fg; | |
a76206dc | 1159 | |
09393d07 GM |
1160 | fg = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f)); |
1161 | old_fg = x->foreground_pixel; | |
1162 | x->foreground_pixel = fg; | |
a76206dc | 1163 | |
fe24a618 | 1164 | if (FRAME_X_WINDOW (f) != 0) |
01f1ba30 | 1165 | { |
09393d07 | 1166 | Display *dpy = FRAME_X_DISPLAY (f); |
177c0ea7 | 1167 | |
09393d07 GM |
1168 | BLOCK_INPUT; |
1169 | XSetForeground (dpy, x->normal_gc, fg); | |
1170 | XSetBackground (dpy, x->reverse_gc, fg); | |
36d42089 | 1171 | |
09393d07 GM |
1172 | if (x->cursor_pixel == old_fg) |
1173 | { | |
1174 | unload_color (f, x->cursor_pixel); | |
1175 | x->cursor_pixel = x_copy_color (f, fg); | |
1176 | XSetBackground (dpy, x->cursor_gc, x->cursor_pixel); | |
1177 | } | |
177c0ea7 | 1178 | |
01f1ba30 | 1179 | UNBLOCK_INPUT; |
177c0ea7 | 1180 | |
05c8abbe | 1181 | update_face_from_frame_parameter (f, Qforeground_color, arg); |
177c0ea7 | 1182 | |
179956b9 | 1183 | if (FRAME_VISIBLE_P (f)) |
f676886a | 1184 | redraw_frame (f); |
01f1ba30 | 1185 | } |
177c0ea7 | 1186 | |
09393d07 | 1187 | unload_color (f, old_fg); |
01f1ba30 JB |
1188 | } |
1189 | ||
1190 | void | |
f676886a JB |
1191 | x_set_background_color (f, arg, oldval) |
1192 | struct frame *f; | |
01f1ba30 JB |
1193 | Lisp_Object arg, oldval; |
1194 | { | |
09393d07 GM |
1195 | struct x_output *x = f->output_data.x; |
1196 | unsigned long bg; | |
01f1ba30 | 1197 | |
09393d07 GM |
1198 | bg = x_decode_color (f, arg, WHITE_PIX_DEFAULT (f)); |
1199 | unload_color (f, x->background_pixel); | |
1200 | x->background_pixel = bg; | |
a76206dc | 1201 | |
fe24a618 | 1202 | if (FRAME_X_WINDOW (f) != 0) |
01f1ba30 | 1203 | { |
09393d07 | 1204 | Display *dpy = FRAME_X_DISPLAY (f); |
177c0ea7 | 1205 | |
09393d07 GM |
1206 | BLOCK_INPUT; |
1207 | XSetBackground (dpy, x->normal_gc, bg); | |
1208 | XSetForeground (dpy, x->reverse_gc, bg); | |
1209 | XSetWindowBackground (dpy, FRAME_X_WINDOW (f), bg); | |
1210 | XSetForeground (dpy, x->cursor_gc, bg); | |
1211 | ||
488dd4c4 JD |
1212 | #ifdef USE_GTK |
1213 | xg_set_background_color (f, bg); | |
1214 | #endif | |
1215 | ||
f76e0368 GM |
1216 | #ifndef USE_TOOLKIT_SCROLL_BARS /* Turns out to be annoying with |
1217 | toolkit scroll bars. */ | |
1218 | { | |
1219 | Lisp_Object bar; | |
1220 | for (bar = FRAME_SCROLL_BARS (f); | |
1221 | !NILP (bar); | |
1222 | bar = XSCROLL_BAR (bar)->next) | |
1223 | { | |
1224 | Window window = SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)); | |
1225 | XSetWindowBackground (dpy, window, bg); | |
1226 | } | |
1227 | } | |
1228 | #endif /* USE_TOOLKIT_SCROLL_BARS */ | |
01f1ba30 | 1229 | |
09393d07 | 1230 | UNBLOCK_INPUT; |
05c8abbe | 1231 | update_face_from_frame_parameter (f, Qbackground_color, arg); |
ea96210c | 1232 | |
179956b9 | 1233 | if (FRAME_VISIBLE_P (f)) |
f676886a | 1234 | redraw_frame (f); |
01f1ba30 JB |
1235 | } |
1236 | } | |
1237 | ||
1238 | void | |
f676886a JB |
1239 | x_set_mouse_color (f, arg, oldval) |
1240 | struct frame *f; | |
01f1ba30 JB |
1241 | Lisp_Object arg, oldval; |
1242 | { | |
09393d07 GM |
1243 | struct x_output *x = f->output_data.x; |
1244 | Display *dpy = FRAME_X_DISPLAY (f); | |
3d970f28 | 1245 | Cursor cursor, nontext_cursor, mode_cursor, hand_cursor; |
0af913d7 | 1246 | Cursor hourglass_cursor, horizontal_drag_cursor; |
1dc6cfa6 | 1247 | int count; |
51a1d2d8 | 1248 | unsigned long pixel = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f)); |
09393d07 | 1249 | unsigned long mask_color = x->background_pixel; |
a76206dc | 1250 | |
51a1d2d8 | 1251 | /* Don't let pointers be invisible. */ |
09393d07 | 1252 | if (mask_color == pixel) |
bcf26b38 GM |
1253 | { |
1254 | x_free_colors (f, &pixel, 1); | |
09393d07 | 1255 | pixel = x_copy_color (f, x->foreground_pixel); |
bcf26b38 | 1256 | } |
a76206dc | 1257 | |
09393d07 GM |
1258 | unload_color (f, x->mouse_pixel); |
1259 | x->mouse_pixel = pixel; | |
01f1ba30 JB |
1260 | |
1261 | BLOCK_INPUT; | |
fe24a618 | 1262 | |
eb8c3be9 | 1263 | /* It's not okay to crash if the user selects a screwy cursor. */ |
09393d07 | 1264 | count = x_catch_errors (dpy); |
fe24a618 | 1265 | |
09393d07 | 1266 | if (!NILP (Vx_pointer_shape)) |
01f1ba30 | 1267 | { |
b7826503 | 1268 | CHECK_NUMBER (Vx_pointer_shape); |
09393d07 | 1269 | cursor = XCreateFontCursor (dpy, XINT (Vx_pointer_shape)); |
01f1ba30 JB |
1270 | } |
1271 | else | |
09393d07 GM |
1272 | cursor = XCreateFontCursor (dpy, XC_xterm); |
1273 | x_check_errors (dpy, "bad text pointer cursor: %s"); | |
01f1ba30 | 1274 | |
09393d07 | 1275 | if (!NILP (Vx_nontext_pointer_shape)) |
01f1ba30 | 1276 | { |
b7826503 | 1277 | CHECK_NUMBER (Vx_nontext_pointer_shape); |
09393d07 GM |
1278 | nontext_cursor |
1279 | = XCreateFontCursor (dpy, XINT (Vx_nontext_pointer_shape)); | |
01f1ba30 JB |
1280 | } |
1281 | else | |
09393d07 GM |
1282 | nontext_cursor = XCreateFontCursor (dpy, XC_left_ptr); |
1283 | x_check_errors (dpy, "bad nontext pointer cursor: %s"); | |
01f1ba30 | 1284 | |
09393d07 | 1285 | if (!NILP (Vx_hourglass_pointer_shape)) |
333b20bb | 1286 | { |
b7826503 | 1287 | CHECK_NUMBER (Vx_hourglass_pointer_shape); |
09393d07 GM |
1288 | hourglass_cursor |
1289 | = XCreateFontCursor (dpy, XINT (Vx_hourglass_pointer_shape)); | |
333b20bb GM |
1290 | } |
1291 | else | |
09393d07 GM |
1292 | hourglass_cursor = XCreateFontCursor (dpy, XC_watch); |
1293 | x_check_errors (dpy, "bad hourglass pointer cursor: %s"); | |
177c0ea7 | 1294 | |
09393d07 GM |
1295 | x_check_errors (dpy, "bad nontext pointer cursor: %s"); |
1296 | if (!NILP (Vx_mode_pointer_shape)) | |
01f1ba30 | 1297 | { |
b7826503 | 1298 | CHECK_NUMBER (Vx_mode_pointer_shape); |
09393d07 | 1299 | mode_cursor = XCreateFontCursor (dpy, XINT (Vx_mode_pointer_shape)); |
01f1ba30 JB |
1300 | } |
1301 | else | |
09393d07 GM |
1302 | mode_cursor = XCreateFontCursor (dpy, XC_xterm); |
1303 | x_check_errors (dpy, "bad modeline pointer cursor: %s"); | |
95f80c78 | 1304 | |
09393d07 | 1305 | if (!NILP (Vx_sensitive_text_pointer_shape)) |
95f80c78 | 1306 | { |
b7826503 | 1307 | CHECK_NUMBER (Vx_sensitive_text_pointer_shape); |
3d970f28 | 1308 | hand_cursor |
09393d07 | 1309 | = XCreateFontCursor (dpy, XINT (Vx_sensitive_text_pointer_shape)); |
95f80c78 FP |
1310 | } |
1311 | else | |
3d970f28 | 1312 | hand_cursor = XCreateFontCursor (dpy, XC_hand2); |
01f1ba30 | 1313 | |
8fb4ec9c GM |
1314 | if (!NILP (Vx_window_horizontal_drag_shape)) |
1315 | { | |
b7826503 | 1316 | CHECK_NUMBER (Vx_window_horizontal_drag_shape); |
8fb4ec9c | 1317 | horizontal_drag_cursor |
09393d07 | 1318 | = XCreateFontCursor (dpy, XINT (Vx_window_horizontal_drag_shape)); |
8fb4ec9c GM |
1319 | } |
1320 | else | |
1321 | horizontal_drag_cursor | |
09393d07 | 1322 | = XCreateFontCursor (dpy, XC_sb_h_double_arrow); |
8fb4ec9c | 1323 | |
fe24a618 | 1324 | /* Check and report errors with the above calls. */ |
09393d07 GM |
1325 | x_check_errors (dpy, "can't set cursor shape: %s"); |
1326 | x_uncatch_errors (dpy, count); | |
fe24a618 | 1327 | |
01f1ba30 JB |
1328 | { |
1329 | XColor fore_color, back_color; | |
1330 | ||
09393d07 | 1331 | fore_color.pixel = x->mouse_pixel; |
a31fedb7 | 1332 | x_query_color (f, &fore_color); |
01f1ba30 | 1333 | back_color.pixel = mask_color; |
a31fedb7 | 1334 | x_query_color (f, &back_color); |
177c0ea7 | 1335 | |
09393d07 GM |
1336 | XRecolorCursor (dpy, cursor, &fore_color, &back_color); |
1337 | XRecolorCursor (dpy, nontext_cursor, &fore_color, &back_color); | |
1338 | XRecolorCursor (dpy, mode_cursor, &fore_color, &back_color); | |
3d970f28 | 1339 | XRecolorCursor (dpy, hand_cursor, &fore_color, &back_color); |
09393d07 GM |
1340 | XRecolorCursor (dpy, hourglass_cursor, &fore_color, &back_color); |
1341 | XRecolorCursor (dpy, horizontal_drag_cursor, &fore_color, &back_color); | |
01f1ba30 | 1342 | } |
01f1ba30 | 1343 | |
fe24a618 | 1344 | if (FRAME_X_WINDOW (f) != 0) |
09393d07 GM |
1345 | XDefineCursor (dpy, FRAME_X_WINDOW (f), cursor); |
1346 | ||
1347 | if (cursor != x->text_cursor | |
1348 | && x->text_cursor != 0) | |
1349 | XFreeCursor (dpy, x->text_cursor); | |
1350 | x->text_cursor = cursor; | |
1351 | ||
1352 | if (nontext_cursor != x->nontext_cursor | |
1353 | && x->nontext_cursor != 0) | |
1354 | XFreeCursor (dpy, x->nontext_cursor); | |
1355 | x->nontext_cursor = nontext_cursor; | |
1356 | ||
1357 | if (hourglass_cursor != x->hourglass_cursor | |
1358 | && x->hourglass_cursor != 0) | |
1359 | XFreeCursor (dpy, x->hourglass_cursor); | |
1360 | x->hourglass_cursor = hourglass_cursor; | |
1361 | ||
1362 | if (mode_cursor != x->modeline_cursor | |
1363 | && x->modeline_cursor != 0) | |
1364 | XFreeCursor (dpy, f->output_data.x->modeline_cursor); | |
1365 | x->modeline_cursor = mode_cursor; | |
177c0ea7 | 1366 | |
3d970f28 KS |
1367 | if (hand_cursor != x->hand_cursor |
1368 | && x->hand_cursor != 0) | |
1369 | XFreeCursor (dpy, x->hand_cursor); | |
1370 | x->hand_cursor = hand_cursor; | |
01f1ba30 | 1371 | |
09393d07 GM |
1372 | if (horizontal_drag_cursor != x->horizontal_drag_cursor |
1373 | && x->horizontal_drag_cursor != 0) | |
1374 | XFreeCursor (dpy, x->horizontal_drag_cursor); | |
1375 | x->horizontal_drag_cursor = horizontal_drag_cursor; | |
8fb4ec9c | 1376 | |
09393d07 | 1377 | XFlush (dpy); |
01f1ba30 | 1378 | UNBLOCK_INPUT; |
05c8abbe GM |
1379 | |
1380 | update_face_from_frame_parameter (f, Qmouse_color, arg); | |
01f1ba30 JB |
1381 | } |
1382 | ||
1383 | void | |
f676886a JB |
1384 | x_set_cursor_color (f, arg, oldval) |
1385 | struct frame *f; | |
01f1ba30 JB |
1386 | Lisp_Object arg, oldval; |
1387 | { | |
a76206dc | 1388 | unsigned long fore_pixel, pixel; |
10168ebb | 1389 | int fore_pixel_allocated_p = 0, pixel_allocated_p = 0; |
09393d07 | 1390 | struct x_output *x = f->output_data.x; |
01f1ba30 | 1391 | |
10168ebb GM |
1392 | if (!NILP (Vx_cursor_fore_pixel)) |
1393 | { | |
1394 | fore_pixel = x_decode_color (f, Vx_cursor_fore_pixel, | |
1395 | WHITE_PIX_DEFAULT (f)); | |
1396 | fore_pixel_allocated_p = 1; | |
1397 | } | |
01f1ba30 | 1398 | else |
09393d07 | 1399 | fore_pixel = x->background_pixel; |
177c0ea7 | 1400 | |
a76206dc | 1401 | pixel = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f)); |
10168ebb | 1402 | pixel_allocated_p = 1; |
a76206dc | 1403 | |
f9942c9e | 1404 | /* Make sure that the cursor color differs from the background color. */ |
09393d07 | 1405 | if (pixel == x->background_pixel) |
01f1ba30 | 1406 | { |
10168ebb GM |
1407 | if (pixel_allocated_p) |
1408 | { | |
1409 | x_free_colors (f, &pixel, 1); | |
1410 | pixel_allocated_p = 0; | |
1411 | } | |
177c0ea7 | 1412 | |
09393d07 | 1413 | pixel = x->mouse_pixel; |
a76206dc | 1414 | if (pixel == fore_pixel) |
10168ebb GM |
1415 | { |
1416 | if (fore_pixel_allocated_p) | |
1417 | { | |
1418 | x_free_colors (f, &fore_pixel, 1); | |
1419 | fore_pixel_allocated_p = 0; | |
1420 | } | |
09393d07 | 1421 | fore_pixel = x->background_pixel; |
10168ebb | 1422 | } |
01f1ba30 | 1423 | } |
a76206dc | 1424 | |
09393d07 | 1425 | unload_color (f, x->cursor_foreground_pixel); |
10168ebb GM |
1426 | if (!fore_pixel_allocated_p) |
1427 | fore_pixel = x_copy_color (f, fore_pixel); | |
09393d07 | 1428 | x->cursor_foreground_pixel = fore_pixel; |
01f1ba30 | 1429 | |
09393d07 | 1430 | unload_color (f, x->cursor_pixel); |
10168ebb GM |
1431 | if (!pixel_allocated_p) |
1432 | pixel = x_copy_color (f, pixel); | |
09393d07 | 1433 | x->cursor_pixel = pixel; |
a76206dc | 1434 | |
fe24a618 | 1435 | if (FRAME_X_WINDOW (f) != 0) |
01f1ba30 | 1436 | { |
01f1ba30 | 1437 | BLOCK_INPUT; |
09393d07 GM |
1438 | XSetBackground (FRAME_X_DISPLAY (f), x->cursor_gc, x->cursor_pixel); |
1439 | XSetForeground (FRAME_X_DISPLAY (f), x->cursor_gc, fore_pixel); | |
01f1ba30 | 1440 | UNBLOCK_INPUT; |
01f1ba30 | 1441 | |
179956b9 | 1442 | if (FRAME_VISIBLE_P (f)) |
01f1ba30 | 1443 | { |
cedadcfa RS |
1444 | x_update_cursor (f, 0); |
1445 | x_update_cursor (f, 1); | |
01f1ba30 JB |
1446 | } |
1447 | } | |
05c8abbe GM |
1448 | |
1449 | update_face_from_frame_parameter (f, Qcursor_color, arg); | |
01f1ba30 | 1450 | } |
943b580d | 1451 | \f |
f676886a | 1452 | /* Set the border-color of frame F to pixel value PIX. |
01f1ba30 | 1453 | Note that this does not fully take effect if done before |
f676886a | 1454 | F has an x-window. */ |
01f1ba30 | 1455 | |
968b1234 | 1456 | void |
f676886a JB |
1457 | x_set_border_pixel (f, pix) |
1458 | struct frame *f; | |
01f1ba30 JB |
1459 | int pix; |
1460 | { | |
a76206dc | 1461 | unload_color (f, f->output_data.x->border_pixel); |
7556890b | 1462 | f->output_data.x->border_pixel = pix; |
01f1ba30 | 1463 | |
be786000 | 1464 | if (FRAME_X_WINDOW (f) != 0 && f->border_width > 0) |
01f1ba30 | 1465 | { |
01f1ba30 | 1466 | BLOCK_INPUT; |
b9dc4443 | 1467 | XSetWindowBorder (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
270958e8 | 1468 | (unsigned long)pix); |
01f1ba30 JB |
1469 | UNBLOCK_INPUT; |
1470 | ||
179956b9 | 1471 | if (FRAME_VISIBLE_P (f)) |
f676886a | 1472 | redraw_frame (f); |
01f1ba30 JB |
1473 | } |
1474 | } | |
1475 | ||
7c0d3ed8 KS |
1476 | /* Set the border-color of frame F to value described by ARG. |
1477 | ARG can be a string naming a color. | |
1478 | The border-color is used for the border that is drawn by the X server. | |
1479 | Note that this does not fully take effect if done before | |
1480 | F has an x-window; it must be redone when the window is created. | |
1481 | ||
1482 | Note: this is done in two routines because of the way X10 works. | |
1483 | ||
1484 | Note: under X11, this is normally the province of the window manager, | |
1485 | and so emacs' border colors may be overridden. */ | |
1486 | ||
1487 | void | |
1488 | x_set_border_color (f, arg, oldval) | |
1489 | struct frame *f; | |
1490 | Lisp_Object arg, oldval; | |
1491 | { | |
1492 | int pix; | |
1493 | ||
1494 | CHECK_STRING (arg); | |
1495 | pix = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f)); | |
1496 | x_set_border_pixel (f, pix); | |
1497 | update_face_from_frame_parameter (f, Qborder_color, arg); | |
1498 | } | |
0d1469d6 | 1499 | |
0d1469d6 GM |
1500 | |
1501 | void | |
1502 | x_set_cursor_type (f, arg, oldval) | |
1503 | FRAME_PTR f; | |
1504 | Lisp_Object arg, oldval; | |
1505 | { | |
33b2311e | 1506 | set_frame_cursor_types (f, arg); |
dbc4e1c1 | 1507 | |
75691005 RS |
1508 | /* Make sure the cursor gets redrawn. */ |
1509 | cursor_type_changed = 1; | |
dbc4e1c1 | 1510 | } |
943b580d | 1511 | \f |
01f1ba30 | 1512 | void |
f676886a JB |
1513 | x_set_icon_type (f, arg, oldval) |
1514 | struct frame *f; | |
01f1ba30 JB |
1515 | Lisp_Object arg, oldval; |
1516 | { | |
01f1ba30 JB |
1517 | int result; |
1518 | ||
203c1d73 RS |
1519 | if (STRINGP (arg)) |
1520 | { | |
1521 | if (STRINGP (oldval) && EQ (Fstring_equal (oldval, arg), Qt)) | |
1522 | return; | |
1523 | } | |
1524 | else if (!STRINGP (oldval) && EQ (oldval, Qnil) == EQ (arg, Qnil)) | |
01f1ba30 JB |
1525 | return; |
1526 | ||
1527 | BLOCK_INPUT; | |
265a9e55 | 1528 | if (NILP (arg)) |
80534dd6 | 1529 | result = x_text_icon (f, |
d5db4077 | 1530 | (char *) SDATA ((!NILP (f->icon_name) |
f468da95 | 1531 | ? f->icon_name |
d5db4077 | 1532 | : f->name))); |
f1c7b5a6 RS |
1533 | else |
1534 | result = x_bitmap_icon (f, arg); | |
01f1ba30 JB |
1535 | |
1536 | if (result) | |
1537 | { | |
01f1ba30 | 1538 | UNBLOCK_INPUT; |
0fb53770 | 1539 | error ("No icon window available"); |
01f1ba30 JB |
1540 | } |
1541 | ||
b9dc4443 | 1542 | XFlush (FRAME_X_DISPLAY (f)); |
01f1ba30 JB |
1543 | UNBLOCK_INPUT; |
1544 | } | |
1545 | ||
80534dd6 KH |
1546 | void |
1547 | x_set_icon_name (f, arg, oldval) | |
1548 | struct frame *f; | |
1549 | Lisp_Object arg, oldval; | |
1550 | { | |
80534dd6 KH |
1551 | int result; |
1552 | ||
1553 | if (STRINGP (arg)) | |
1554 | { | |
1555 | if (STRINGP (oldval) && EQ (Fstring_equal (oldval, arg), Qt)) | |
1556 | return; | |
1557 | } | |
1558 | else if (!STRINGP (oldval) && EQ (oldval, Qnil) == EQ (arg, Qnil)) | |
1559 | return; | |
1560 | ||
f468da95 | 1561 | f->icon_name = arg; |
80534dd6 | 1562 | |
7556890b | 1563 | if (f->output_data.x->icon_bitmap != 0) |
80534dd6 KH |
1564 | return; |
1565 | ||
1566 | BLOCK_INPUT; | |
1567 | ||
1568 | result = x_text_icon (f, | |
d5db4077 KR |
1569 | (char *) SDATA ((!NILP (f->icon_name) |
1570 | ? f->icon_name | |
1571 | : !NILP (f->title) | |
1572 | ? f->title | |
1573 | : f->name))); | |
80534dd6 KH |
1574 | |
1575 | if (result) | |
1576 | { | |
1577 | UNBLOCK_INPUT; | |
1578 | error ("No icon window available"); | |
1579 | } | |
1580 | ||
80534dd6 KH |
1581 | XFlush (FRAME_X_DISPLAY (f)); |
1582 | UNBLOCK_INPUT; | |
1583 | } | |
7c0d3ed8 | 1584 | |
943b580d | 1585 | \f |
01f1ba30 | 1586 | void |
7c0d3ed8 | 1587 | x_set_menu_bar_lines (f, value, oldval) |
f676886a | 1588 | struct frame *f; |
7c0d3ed8 | 1589 | Lisp_Object value, oldval; |
01f1ba30 | 1590 | { |
7c0d3ed8 KS |
1591 | int nlines; |
1592 | #ifndef USE_X_TOOLKIT | |
1593 | int olines = FRAME_MENU_BAR_LINES (f); | |
1594 | #endif | |
177c0ea7 | 1595 | |
7c0d3ed8 KS |
1596 | /* Right now, menu bars don't work properly in minibuf-only frames; |
1597 | most of the commands try to apply themselves to the minibuffer | |
1598 | frame itself, and get an error because you can't switch buffers | |
1599 | in or split the minibuffer window. */ | |
1600 | if (FRAME_MINIBUF_ONLY_P (f)) | |
1601 | return; | |
177c0ea7 | 1602 | |
7c0d3ed8 KS |
1603 | if (INTEGERP (value)) |
1604 | nlines = XINT (value); | |
ea96210c | 1605 | else |
7c0d3ed8 | 1606 | nlines = 0; |
a367641f | 1607 | |
7c0d3ed8 KS |
1608 | /* Make sure we redisplay all windows in this frame. */ |
1609 | windows_or_buffers_changed++; | |
3d09b6be | 1610 | |
488dd4c4 | 1611 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
9ef48a9d RS |
1612 | FRAME_MENU_BAR_LINES (f) = 0; |
1613 | if (nlines) | |
0d8ef3f4 RS |
1614 | { |
1615 | FRAME_EXTERNAL_MENU_BAR (f) = 1; | |
97a1ff91 | 1616 | if (FRAME_X_P (f) && f->output_data.x->menubar_widget == 0) |
0d8ef3f4 RS |
1617 | /* Make sure next redisplay shows the menu bar. */ |
1618 | XWINDOW (FRAME_SELECTED_WINDOW (f))->update_mode_line = Qt; | |
1619 | } | |
9ef48a9d RS |
1620 | else |
1621 | { | |
6bc20398 FP |
1622 | if (FRAME_EXTERNAL_MENU_BAR (f) == 1) |
1623 | free_frame_menubar (f); | |
9ef48a9d | 1624 | FRAME_EXTERNAL_MENU_BAR (f) = 0; |
97a1ff91 RS |
1625 | if (FRAME_X_P (f)) |
1626 | f->output_data.x->menubar_widget = 0; | |
9ef48a9d | 1627 | } |
488dd4c4 | 1628 | #else /* not USE_X_TOOLKIT && not USE_GTK */ |
d043f1a4 | 1629 | FRAME_MENU_BAR_LINES (f) = nlines; |
7c0d3ed8 | 1630 | change_window_heights (f->root_window, nlines - olines); |
9ef48a9d | 1631 | #endif /* not USE_X_TOOLKIT */ |
333b20bb GM |
1632 | adjust_glyphs (f); |
1633 | } | |
1634 | ||
1635 | ||
1636 | /* Set the number of lines used for the tool bar of frame F to VALUE. | |
1637 | VALUE not an integer, or < 0 means set the lines to zero. OLDVAL | |
1638 | is the old number of tool bar lines. This function changes the | |
1639 | height of all windows on frame F to match the new tool bar height. | |
1640 | The frame's height doesn't change. */ | |
1641 | ||
1642 | void | |
9ea173e8 | 1643 | x_set_tool_bar_lines (f, value, oldval) |
333b20bb GM |
1644 | struct frame *f; |
1645 | Lisp_Object value, oldval; | |
1646 | { | |
52de7ce9 GM |
1647 | int delta, nlines, root_height; |
1648 | Lisp_Object root_window; | |
333b20bb | 1649 | |
e870b7ba GM |
1650 | /* Treat tool bars like menu bars. */ |
1651 | if (FRAME_MINIBUF_ONLY_P (f)) | |
1652 | return; | |
1653 | ||
333b20bb GM |
1654 | /* Use VALUE only if an integer >= 0. */ |
1655 | if (INTEGERP (value) && XINT (value) >= 0) | |
1656 | nlines = XFASTINT (value); | |
1657 | else | |
1658 | nlines = 0; | |
1659 | ||
488dd4c4 JD |
1660 | #ifdef USE_GTK |
1661 | FRAME_TOOL_BAR_LINES (f) = 0; | |
1662 | if (nlines) | |
1663 | { | |
1664 | FRAME_EXTERNAL_TOOL_BAR (f) = 1; | |
1665 | if (FRAME_X_P (f) && f->output_data.x->toolbar_widget == 0) | |
1666 | /* Make sure next redisplay shows the tool bar. */ | |
1667 | XWINDOW (FRAME_SELECTED_WINDOW (f))->update_mode_line = Qt; | |
1668 | update_frame_tool_bar (f); | |
1669 | } | |
1670 | else | |
1671 | { | |
1672 | if (FRAME_EXTERNAL_TOOL_BAR (f)) | |
1673 | free_frame_tool_bar (f); | |
1674 | FRAME_EXTERNAL_TOOL_BAR (f) = 0; | |
1675 | } | |
1676 | ||
1677 | return; | |
1678 | #endif | |
177c0ea7 | 1679 | |
488dd4c4 | 1680 | /* Make sure we redisplay all windows in this frame. */ |
333b20bb GM |
1681 | ++windows_or_buffers_changed; |
1682 | ||
9ea173e8 | 1683 | delta = nlines - FRAME_TOOL_BAR_LINES (f); |
52de7ce9 GM |
1684 | |
1685 | /* Don't resize the tool-bar to more than we have room for. */ | |
1686 | root_window = FRAME_ROOT_WINDOW (f); | |
be786000 | 1687 | root_height = WINDOW_TOTAL_LINES (XWINDOW (root_window)); |
52de7ce9 GM |
1688 | if (root_height - delta < 1) |
1689 | { | |
1690 | delta = root_height - 1; | |
1691 | nlines = FRAME_TOOL_BAR_LINES (f) + delta; | |
1692 | } | |
1693 | ||
9ea173e8 | 1694 | FRAME_TOOL_BAR_LINES (f) = nlines; |
7c0d3ed8 | 1695 | change_window_heights (root_window, delta); |
333b20bb | 1696 | adjust_glyphs (f); |
177c0ea7 | 1697 | |
ccba751c GM |
1698 | /* We also have to make sure that the internal border at the top of |
1699 | the frame, below the menu bar or tool bar, is redrawn when the | |
1700 | tool bar disappears. This is so because the internal border is | |
1701 | below the tool bar if one is displayed, but is below the menu bar | |
1702 | if there isn't a tool bar. The tool bar draws into the area | |
1703 | below the menu bar. */ | |
1704 | if (FRAME_X_WINDOW (f) && FRAME_TOOL_BAR_LINES (f) == 0) | |
1705 | { | |
1706 | updating_frame = f; | |
1707 | clear_frame (); | |
fb3cd89b | 1708 | clear_current_matrices (f); |
ccba751c GM |
1709 | updating_frame = NULL; |
1710 | } | |
b6f91066 GM |
1711 | |
1712 | /* If the tool bar gets smaller, the internal border below it | |
1713 | has to be cleared. It was formerly part of the display | |
1714 | of the larger tool bar, and updating windows won't clear it. */ | |
1715 | if (delta < 0) | |
1716 | { | |
1717 | int height = FRAME_INTERNAL_BORDER_WIDTH (f); | |
be786000 KS |
1718 | int width = FRAME_PIXEL_WIDTH (f); |
1719 | int y = nlines * FRAME_LINE_HEIGHT (f); | |
b6f91066 GM |
1720 | |
1721 | BLOCK_INPUT; | |
161d30fd GM |
1722 | x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
1723 | 0, y, width, height, False); | |
b6f91066 | 1724 | UNBLOCK_INPUT; |
ddc24747 GM |
1725 | |
1726 | if (WINDOWP (f->tool_bar_window)) | |
1727 | clear_glyph_matrix (XWINDOW (f->tool_bar_window)->current_matrix); | |
b6f91066 | 1728 | } |
333b20bb GM |
1729 | } |
1730 | ||
1731 | ||
1732 | /* Set the foreground color for scroll bars on frame F to VALUE. | |
1733 | VALUE should be a string, a color name. If it isn't a string or | |
1734 | isn't a valid color name, do nothing. OLDVAL is the old value of | |
1735 | the frame parameter. */ | |
1736 | ||
1737 | void | |
1738 | x_set_scroll_bar_foreground (f, value, oldval) | |
1739 | struct frame *f; | |
1740 | Lisp_Object value, oldval; | |
1741 | { | |
1742 | unsigned long pixel; | |
177c0ea7 | 1743 | |
333b20bb GM |
1744 | if (STRINGP (value)) |
1745 | pixel = x_decode_color (f, value, BLACK_PIX_DEFAULT (f)); | |
1746 | else | |
1747 | pixel = -1; | |
1748 | ||
1749 | if (f->output_data.x->scroll_bar_foreground_pixel != -1) | |
1750 | unload_color (f, f->output_data.x->scroll_bar_foreground_pixel); | |
177c0ea7 | 1751 | |
333b20bb GM |
1752 | f->output_data.x->scroll_bar_foreground_pixel = pixel; |
1753 | if (FRAME_X_WINDOW (f) && FRAME_VISIBLE_P (f)) | |
1754 | { | |
1755 | /* Remove all scroll bars because they have wrong colors. */ | |
1756 | if (condemn_scroll_bars_hook) | |
1757 | (*condemn_scroll_bars_hook) (f); | |
1758 | if (judge_scroll_bars_hook) | |
1759 | (*judge_scroll_bars_hook) (f); | |
05c8abbe GM |
1760 | |
1761 | update_face_from_frame_parameter (f, Qscroll_bar_foreground, value); | |
333b20bb GM |
1762 | redraw_frame (f); |
1763 | } | |
1764 | } | |
1765 | ||
1766 | ||
1767 | /* Set the background color for scroll bars on frame F to VALUE VALUE | |
1768 | should be a string, a color name. If it isn't a string or isn't a | |
1769 | valid color name, do nothing. OLDVAL is the old value of the frame | |
1770 | parameter. */ | |
1771 | ||
1772 | void | |
1773 | x_set_scroll_bar_background (f, value, oldval) | |
1774 | struct frame *f; | |
1775 | Lisp_Object value, oldval; | |
1776 | { | |
1777 | unsigned long pixel; | |
1778 | ||
1779 | if (STRINGP (value)) | |
1780 | pixel = x_decode_color (f, value, WHITE_PIX_DEFAULT (f)); | |
1781 | else | |
1782 | pixel = -1; | |
177c0ea7 | 1783 | |
333b20bb GM |
1784 | if (f->output_data.x->scroll_bar_background_pixel != -1) |
1785 | unload_color (f, f->output_data.x->scroll_bar_background_pixel); | |
177c0ea7 | 1786 | |
f15340b7 MB |
1787 | #ifdef USE_TOOLKIT_SCROLL_BARS |
1788 | /* Scrollbar shadow colors. */ | |
1789 | if (f->output_data.x->scroll_bar_top_shadow_pixel != -1) | |
1790 | { | |
1791 | unload_color (f, f->output_data.x->scroll_bar_top_shadow_pixel); | |
1792 | f->output_data.x->scroll_bar_top_shadow_pixel = -1; | |
1793 | } | |
1794 | if (f->output_data.x->scroll_bar_bottom_shadow_pixel != -1) | |
1795 | { | |
1796 | unload_color (f, f->output_data.x->scroll_bar_bottom_shadow_pixel); | |
1797 | f->output_data.x->scroll_bar_bottom_shadow_pixel = -1; | |
1798 | } | |
1799 | #endif /* USE_TOOLKIT_SCROLL_BARS */ | |
1800 | ||
333b20bb GM |
1801 | f->output_data.x->scroll_bar_background_pixel = pixel; |
1802 | if (FRAME_X_WINDOW (f) && FRAME_VISIBLE_P (f)) | |
1803 | { | |
1804 | /* Remove all scroll bars because they have wrong colors. */ | |
1805 | if (condemn_scroll_bars_hook) | |
1806 | (*condemn_scroll_bars_hook) (f); | |
1807 | if (judge_scroll_bars_hook) | |
1808 | (*judge_scroll_bars_hook) (f); | |
177c0ea7 | 1809 | |
05c8abbe | 1810 | update_face_from_frame_parameter (f, Qscroll_bar_background, value); |
333b20bb GM |
1811 | redraw_frame (f); |
1812 | } | |
d043f1a4 | 1813 | } |
333b20bb | 1814 | |
943b580d | 1815 | \f |
3a258507 | 1816 | /* Encode Lisp string STRING as a text in a format appropriate for |
96db09e4 KH |
1817 | XICCC (X Inter Client Communication Conventions). |
1818 | ||
1819 | If STRING contains only ASCII characters, do no conversion and | |
1820 | return the string data of STRING. Otherwise, encode the text by | |
1821 | CODING_SYSTEM, and return a newly allocated memory area which | |
1822 | should be freed by `xfree' by a caller. | |
1823 | ||
37323f34 EZ |
1824 | SELECTIONP non-zero means the string is being encoded for an X |
1825 | selection, so it is safe to run pre-write conversions (which | |
1826 | may run Lisp code). | |
1827 | ||
96db09e4 KH |
1828 | Store the byte length of resulting text in *TEXT_BYTES. |
1829 | ||
d60660d6 | 1830 | If the text contains only ASCII and Latin-1, store 1 in *STRING_P, |
96db09e4 | 1831 | which means that the `encoding' of the result can be `STRING'. |
d60660d6 | 1832 | Otherwise store 0 in *STRINGP, which means that the `encoding' of |
96db09e4 KH |
1833 | the result should be `COMPOUND_TEXT'. */ |
1834 | ||
1835 | unsigned char * | |
37323f34 | 1836 | x_encode_text (string, coding_system, selectionp, text_bytes, stringp) |
96db09e4 | 1837 | Lisp_Object string, coding_system; |
d60660d6 | 1838 | int *text_bytes, *stringp; |
37323f34 | 1839 | int selectionp; |
96db09e4 | 1840 | { |
0f8c4c4f | 1841 | int result = string_xstring_p (string); |
96db09e4 KH |
1842 | struct coding_system coding; |
1843 | ||
0f8c4c4f | 1844 | if (result == 0) |
96db09e4 KH |
1845 | { |
1846 | /* No multibyte character in OBJ. We need not encode it. */ | |
8f924df7 | 1847 | *text_bytes = SBYTES (string); |
d60660d6 | 1848 | *stringp = 1; |
8f924df7 | 1849 | return SDATA (string); |
96db09e4 KH |
1850 | } |
1851 | ||
1852 | setup_coding_system (coding_system, &coding); | |
0f8c4c4f | 1853 | coding.mode |= (CODING_MODE_SAFE_ENCODING | CODING_MODE_LAST_BLOCK); |
35bc5887 | 1854 | /* We suppress producing escape sequences for composition. */ |
0f8c4c4f | 1855 | coding.common_flags &= ~CODING_ANNOTATION_MASK; |
8f924df7 | 1856 | coding.dst_bytes = SCHARS (string) * 2; |
b954d586 | 1857 | coding.destination = (unsigned char *) xmalloc (coding.dst_bytes); |
0f8c4c4f | 1858 | encode_coding_object (&coding, string, 0, 0, |
8f924df7 | 1859 | SCHARS (string), SBYTES (string), Qnil); |
96db09e4 | 1860 | *text_bytes = coding.produced; |
0f8c4c4f | 1861 | *stringp = (result == 1 || !EQ (coding_system, Qcompound_text)); |
b954d586 | 1862 | return coding.destination; |
96db09e4 KH |
1863 | } |
1864 | ||
1865 | \f | |
75f9d625 | 1866 | /* Change the name of frame F to NAME. If NAME is nil, set F's name to |
f945b920 JB |
1867 | x_id_name. |
1868 | ||
1869 | If EXPLICIT is non-zero, that indicates that lisp code is setting the | |
75f9d625 DM |
1870 | name; if NAME is a string, set F's name to NAME and set |
1871 | F->explicit_name; if NAME is Qnil, then clear F->explicit_name. | |
f945b920 JB |
1872 | |
1873 | If EXPLICIT is zero, that indicates that Emacs redisplay code is | |
1874 | suggesting a new name, which lisp code should override; if | |
1875 | F->explicit_name is set, ignore the new name; otherwise, set it. */ | |
1876 | ||
1877 | void | |
1878 | x_set_name (f, name, explicit) | |
1879 | struct frame *f; | |
1880 | Lisp_Object name; | |
1881 | int explicit; | |
1882 | { | |
177c0ea7 | 1883 | /* Make sure that requests from lisp code override requests from |
f945b920 JB |
1884 | Emacs redisplay code. */ |
1885 | if (explicit) | |
1886 | { | |
1887 | /* If we're switching from explicit to implicit, we had better | |
1888 | update the mode lines and thereby update the title. */ | |
1889 | if (f->explicit_name && NILP (name)) | |
cf177271 | 1890 | update_mode_lines = 1; |
f945b920 JB |
1891 | |
1892 | f->explicit_name = ! NILP (name); | |
1893 | } | |
1894 | else if (f->explicit_name) | |
1895 | return; | |
1896 | ||
1897 | /* If NAME is nil, set the name to the x_id_name. */ | |
1898 | if (NILP (name)) | |
f10f0b79 RS |
1899 | { |
1900 | /* Check for no change needed in this very common case | |
1901 | before we do any consing. */ | |
08a90d6a | 1902 | if (!strcmp (FRAME_X_DISPLAY_INFO (f)->x_id_name, |
d5db4077 | 1903 | SDATA (f->name))) |
f10f0b79 | 1904 | return; |
08a90d6a | 1905 | name = build_string (FRAME_X_DISPLAY_INFO (f)->x_id_name); |
f10f0b79 | 1906 | } |
62265f1c | 1907 | else |
b7826503 | 1908 | CHECK_STRING (name); |
01f1ba30 | 1909 | |
f945b920 JB |
1910 | /* Don't change the name if it's already NAME. */ |
1911 | if (! NILP (Fstring_equal (name, f->name))) | |
daa37602 JB |
1912 | return; |
1913 | ||
943b580d RS |
1914 | f->name = name; |
1915 | ||
1916 | /* For setting the frame title, the title parameter should override | |
1917 | the name parameter. */ | |
1918 | if (! NILP (f->title)) | |
1919 | name = f->title; | |
1920 | ||
fe24a618 | 1921 | if (FRAME_X_WINDOW (f)) |
01f1ba30 | 1922 | { |
01f1ba30 | 1923 | BLOCK_INPUT; |
fe24a618 JB |
1924 | #ifdef HAVE_X11R4 |
1925 | { | |
80534dd6 | 1926 | XTextProperty text, icon; |
d60660d6 | 1927 | int bytes, stringp; |
11270583 | 1928 | Lisp_Object coding_system; |
80534dd6 | 1929 | |
3201ea57 KH |
1930 | /* Note: Encoding strategy |
1931 | ||
1932 | We encode NAME by compound-text and use "COMPOUND-TEXT" in | |
1933 | text.encoding. But, there are non-internationalized window | |
1934 | managers which don't support that encoding. So, if NAME | |
1935 | contains only ASCII and 8859-1 characters, encode it by | |
1936 | iso-latin-1, and use "STRING" in text.encoding hoping that | |
34e8c597 | 1937 | such window managers at least analyze this format correctly, |
3201ea57 KH |
1938 | i.e. treat 8-bit bytes as 8859-1 characters. |
1939 | ||
1940 | We may also be able to use "UTF8_STRING" in text.encoding | |
34e8c597 | 1941 | in the future which can encode all Unicode characters. |
3201ea57 KH |
1942 | But, for the moment, there's no way to know that the |
1943 | current window manager supports it or not. */ | |
869331ee | 1944 | coding_system = Qcompound_text; |
37323f34 | 1945 | text.value = x_encode_text (name, coding_system, 0, &bytes, &stringp); |
d60660d6 | 1946 | text.encoding = (stringp ? XA_STRING |
96db09e4 | 1947 | : FRAME_X_DISPLAY_INFO (f)->Xatom_COMPOUND_TEXT); |
fe24a618 | 1948 | text.format = 8; |
96db09e4 | 1949 | text.nitems = bytes; |
80534dd6 | 1950 | |
96db09e4 KH |
1951 | if (NILP (f->icon_name)) |
1952 | { | |
1953 | icon = text; | |
1954 | } | |
1955 | else | |
1956 | { | |
3201ea57 | 1957 | /* See the above comment "Note: Encoding strategy". */ |
37323f34 | 1958 | icon.value = x_encode_text (f->icon_name, coding_system, 0, |
d60660d6 KH |
1959 | &bytes, &stringp); |
1960 | icon.encoding = (stringp ? XA_STRING | |
96db09e4 KH |
1961 | : FRAME_X_DISPLAY_INFO (f)->Xatom_COMPOUND_TEXT); |
1962 | icon.format = 8; | |
1963 | icon.nitems = bytes; | |
1964 | } | |
488dd4c4 JD |
1965 | #ifdef USE_GTK |
1966 | gtk_window_set_title (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)), | |
1967 | SDATA (name)); | |
488dd4c4 | 1968 | #else /* not USE_GTK */ |
2436a4e4 | 1969 | XSetWMName (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), &text); |
7c0d3ed8 | 1970 | #endif /* not USE_GTK */ |
abb4b7ec | 1971 | |
7c0d3ed8 | 1972 | XSetWMIconName (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), &icon); |
abb4b7ec | 1973 | |
7c0d3ed8 KS |
1974 | if (!NILP (f->icon_name) |
1975 | && icon.value != (unsigned char *) SDATA (f->icon_name)) | |
1976 | xfree (icon.value); | |
1977 | if (text.value != (unsigned char *) SDATA (name)) | |
1978 | xfree (text.value); | |
1979 | } | |
1980 | #else /* not HAVE_X11R4 */ | |
1981 | XSetIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
1982 | SDATA (name)); | |
1983 | XStoreName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
1984 | SDATA (name)); | |
1985 | #endif /* not HAVE_X11R4 */ | |
1986 | UNBLOCK_INPUT; | |
1987 | } | |
abb4b7ec RS |
1988 | } |
1989 | ||
7c0d3ed8 KS |
1990 | /* This function should be called when the user's lisp code has |
1991 | specified a name for the frame; the name will override any set by the | |
1992 | redisplay code. */ | |
1993 | void | |
1994 | x_explicitly_set_name (f, arg, oldval) | |
1995 | FRAME_PTR f; | |
1996 | Lisp_Object arg, oldval; | |
3402e1a4 | 1997 | { |
7c0d3ed8 | 1998 | x_set_name (f, arg, 1); |
3402e1a4 RS |
1999 | } |
2000 | ||
7c0d3ed8 KS |
2001 | /* This function should be called by Emacs redisplay code to set the |
2002 | name; names set this way will never override names set by the user's | |
2003 | lisp code. */ | |
2004 | void | |
2005 | x_implicitly_set_name (f, arg, oldval) | |
2006 | FRAME_PTR f; | |
2007 | Lisp_Object arg, oldval; | |
333b20bb | 2008 | { |
7c0d3ed8 KS |
2009 | x_set_name (f, arg, 0); |
2010 | } | |
2011 | \f | |
2012 | /* Change the title of frame F to NAME. | |
2013 | If NAME is nil, use the frame name as the title. | |
60fb3ee1 | 2014 | |
7c0d3ed8 KS |
2015 | If EXPLICIT is non-zero, that indicates that lisp code is setting the |
2016 | name; if NAME is a string, set F's name to NAME and set | |
2017 | F->explicit_name; if NAME is Qnil, then clear F->explicit_name. | |
60fb3ee1 | 2018 | |
7c0d3ed8 KS |
2019 | If EXPLICIT is zero, that indicates that Emacs redisplay code is |
2020 | suggesting a new name, which lisp code should override; if | |
2021 | F->explicit_name is set, ignore the new name; otherwise, set it. */ | |
01f1ba30 | 2022 | |
7c0d3ed8 KS |
2023 | void |
2024 | x_set_title (f, name, old_name) | |
2025 | struct frame *f; | |
2026 | Lisp_Object name, old_name; | |
01f1ba30 | 2027 | { |
7c0d3ed8 KS |
2028 | /* Don't change the title if it's already NAME. */ |
2029 | if (EQ (name, f->title)) | |
2030 | return; | |
01f1ba30 | 2031 | |
7c0d3ed8 | 2032 | update_mode_lines = 1; |
60fb3ee1 | 2033 | |
7c0d3ed8 | 2034 | f->title = name; |
f9942c9e | 2035 | |
7c0d3ed8 KS |
2036 | if (NILP (name)) |
2037 | name = f->name; | |
2038 | else | |
2039 | CHECK_STRING (name); | |
f9942c9e | 2040 | |
7c0d3ed8 KS |
2041 | if (FRAME_X_WINDOW (f)) |
2042 | { | |
2043 | BLOCK_INPUT; | |
2044 | #ifdef HAVE_X11R4 | |
2045 | { | |
2046 | XTextProperty text, icon; | |
2047 | int bytes, stringp; | |
2048 | Lisp_Object coding_system; | |
f9942c9e | 2049 | |
7c0d3ed8 KS |
2050 | coding_system = Qcompound_text; |
2051 | /* See the comment "Note: Encoding strategy" in x_set_name. */ | |
2052 | text.value = x_encode_text (name, coding_system, 0, &bytes, &stringp); | |
2053 | text.encoding = (stringp ? XA_STRING | |
2054 | : FRAME_X_DISPLAY_INFO (f)->Xatom_COMPOUND_TEXT); | |
2055 | text.format = 8; | |
2056 | text.nitems = bytes; | |
d62c8769 | 2057 | |
7c0d3ed8 KS |
2058 | if (NILP (f->icon_name)) |
2059 | { | |
2060 | icon = text; | |
2061 | } | |
2062 | else | |
2063 | { | |
2064 | /* See the comment "Note: Encoding strategy" in x_set_name. */ | |
2065 | icon.value = x_encode_text (f->icon_name, coding_system, 0, | |
2066 | &bytes, &stringp); | |
2067 | icon.encoding = (stringp ? XA_STRING | |
2068 | : FRAME_X_DISPLAY_INFO (f)->Xatom_COMPOUND_TEXT); | |
2069 | icon.format = 8; | |
2070 | icon.nitems = bytes; | |
2071 | } | |
f9942c9e | 2072 | |
7c0d3ed8 KS |
2073 | #ifdef USE_GTK |
2074 | gtk_window_set_title (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)), | |
2075 | SDATA (name)); | |
2076 | #else /* not USE_GTK */ | |
2077 | XSetWMName (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), &text); | |
2078 | #endif /* not USE_GTK */ | |
f9942c9e | 2079 | |
7c0d3ed8 KS |
2080 | XSetWMIconName (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), |
2081 | &icon); | |
f945b920 | 2082 | |
7c0d3ed8 KS |
2083 | if (!NILP (f->icon_name) |
2084 | && icon.value != (unsigned char *) SDATA (f->icon_name)) | |
2085 | xfree (icon.value); | |
2086 | if (text.value != (unsigned char *) SDATA (name)) | |
2087 | xfree (text.value); | |
2088 | } | |
2089 | #else /* not HAVE_X11R4 */ | |
2090 | XSetIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
2091 | SDATA (name)); | |
2092 | XStoreName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
2093 | SDATA (name)); | |
2094 | #endif /* not HAVE_X11R4 */ | |
2095 | UNBLOCK_INPUT; | |
01f1ba30 | 2096 | } |
01f1ba30 JB |
2097 | } |
2098 | ||
7c0d3ed8 KS |
2099 | void |
2100 | x_set_scroll_bar_default_width (f) | |
e4f79258 | 2101 | struct frame *f; |
e4f79258 | 2102 | { |
be786000 | 2103 | int wid = FRAME_COLUMN_WIDTH (f); |
01f1ba30 | 2104 | |
7c0d3ed8 KS |
2105 | #ifdef USE_TOOLKIT_SCROLL_BARS |
2106 | /* A minimum width of 14 doesn't look good for toolkit scroll bars. */ | |
2107 | int width = 16 + 2 * VERTICAL_SCROLL_BAR_WIDTH_TRIM; | |
be786000 KS |
2108 | FRAME_CONFIG_SCROLL_BAR_COLS (f) = (width + wid - 1) / wid; |
2109 | FRAME_CONFIG_SCROLL_BAR_WIDTH (f) = width; | |
7c0d3ed8 KS |
2110 | #else |
2111 | /* Make the actual width at least 14 pixels and a multiple of a | |
2112 | character width. */ | |
be786000 | 2113 | FRAME_CONFIG_SCROLL_BAR_COLS (f) = (14 + wid - 1) / wid; |
01f1ba30 | 2114 | |
7c0d3ed8 KS |
2115 | /* Use all of that space (aside from required margins) for the |
2116 | scroll bar. */ | |
be786000 | 2117 | FRAME_CONFIG_SCROLL_BAR_WIDTH (f) = 0; |
7c0d3ed8 | 2118 | #endif |
01f1ba30 | 2119 | } |
333b20bb | 2120 | |
7c0d3ed8 | 2121 | \f |
333b20bb GM |
2122 | /* Record in frame F the specified or default value according to ALIST |
2123 | of the parameter named PROP (a Lisp symbol). If no value is | |
2124 | specified for PROP, look for an X default for XPROP on the frame | |
2125 | named NAME. If that is not found either, use the value DEFLT. */ | |
2126 | ||
2127 | static Lisp_Object | |
2128 | x_default_scroll_bar_color_parameter (f, alist, prop, xprop, xclass, | |
2129 | foreground_p) | |
2130 | struct frame *f; | |
2131 | Lisp_Object alist; | |
2132 | Lisp_Object prop; | |
2133 | char *xprop; | |
2134 | char *xclass; | |
2135 | int foreground_p; | |
2136 | { | |
2137 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
2138 | Lisp_Object tem; | |
2139 | ||
2140 | tem = x_get_arg (dpyinfo, alist, prop, xprop, xclass, RES_TYPE_STRING); | |
2141 | if (EQ (tem, Qunbound)) | |
2142 | { | |
2143 | #ifdef USE_TOOLKIT_SCROLL_BARS | |
2144 | ||
2145 | /* See if an X resource for the scroll bar color has been | |
2146 | specified. */ | |
2147 | tem = display_x_get_resource (dpyinfo, | |
2148 | build_string (foreground_p | |
2149 | ? "foreground" | |
2150 | : "background"), | |
c0ec53ad | 2151 | empty_string, |
333b20bb | 2152 | build_string ("verticalScrollBar"), |
c0ec53ad | 2153 | empty_string); |
333b20bb GM |
2154 | if (!STRINGP (tem)) |
2155 | { | |
2156 | /* If nothing has been specified, scroll bars will use a | |
2157 | toolkit-dependent default. Because these defaults are | |
2158 | difficult to get at without actually creating a scroll | |
2159 | bar, use nil to indicate that no color has been | |
2160 | specified. */ | |
2161 | tem = Qnil; | |
2162 | } | |
177c0ea7 | 2163 | |
333b20bb | 2164 | #else /* not USE_TOOLKIT_SCROLL_BARS */ |
177c0ea7 | 2165 | |
333b20bb | 2166 | tem = Qnil; |
177c0ea7 | 2167 | |
333b20bb GM |
2168 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ |
2169 | } | |
2170 | ||
2171 | x_set_frame_parameters (f, Fcons (Fcons (prop, tem), Qnil)); | |
2172 | return tem; | |
2173 | } | |
2174 | ||
2175 | ||
01f1ba30 | 2176 | |
f58534a3 RS |
2177 | #if !defined (HAVE_X11R4) && !defined (HAVE_XSETWMPROTOCOLS) |
2178 | ||
2179 | Status | |
2180 | XSetWMProtocols (dpy, w, protocols, count) | |
2181 | Display *dpy; | |
2182 | Window w; | |
2183 | Atom *protocols; | |
2184 | int count; | |
2185 | { | |
2186 | Atom prop; | |
2187 | prop = XInternAtom (dpy, "WM_PROTOCOLS", False); | |
2188 | if (prop == None) return False; | |
2189 | XChangeProperty (dpy, w, prop, XA_ATOM, 32, PropModeReplace, | |
2190 | (unsigned char *) protocols, count); | |
2191 | return True; | |
2192 | } | |
9ef48a9d RS |
2193 | #endif /* not HAVE_X11R4 && not HAVE_XSETWMPROTOCOLS */ |
2194 | \f | |
2195 | #ifdef USE_X_TOOLKIT | |
2196 | ||
8e3d10a9 RS |
2197 | /* If the WM_PROTOCOLS property does not already contain WM_TAKE_FOCUS, |
2198 | WM_DELETE_WINDOW, and WM_SAVE_YOURSELF, then add them. (They may | |
59aa6c90 RS |
2199 | already be present because of the toolkit (Motif adds some of them, |
2200 | for example, but Xt doesn't). */ | |
9ef48a9d RS |
2201 | |
2202 | static void | |
b9dc4443 RS |
2203 | hack_wm_protocols (f, widget) |
2204 | FRAME_PTR f; | |
9ef48a9d RS |
2205 | Widget widget; |
2206 | { | |
2207 | Display *dpy = XtDisplay (widget); | |
2208 | Window w = XtWindow (widget); | |
2209 | int need_delete = 1; | |
2210 | int need_focus = 1; | |
59aa6c90 | 2211 | int need_save = 1; |
9ef48a9d RS |
2212 | |
2213 | BLOCK_INPUT; | |
2214 | { | |
2215 | Atom type, *atoms = 0; | |
2216 | int format = 0; | |
2217 | unsigned long nitems = 0; | |
2218 | unsigned long bytes_after; | |
2219 | ||
270958e8 KH |
2220 | if ((XGetWindowProperty (dpy, w, |
2221 | FRAME_X_DISPLAY_INFO (f)->Xatom_wm_protocols, | |
34d5ae1e | 2222 | (long)0, (long)100, False, XA_ATOM, |
270958e8 KH |
2223 | &type, &format, &nitems, &bytes_after, |
2224 | (unsigned char **) &atoms) | |
2225 | == Success) | |
9ef48a9d RS |
2226 | && format == 32 && type == XA_ATOM) |
2227 | while (nitems > 0) | |
2228 | { | |
2229 | nitems--; | |
b9dc4443 RS |
2230 | if (atoms[nitems] == FRAME_X_DISPLAY_INFO (f)->Xatom_wm_delete_window) |
2231 | need_delete = 0; | |
2232 | else if (atoms[nitems] == FRAME_X_DISPLAY_INFO (f)->Xatom_wm_take_focus) | |
2233 | need_focus = 0; | |
2234 | else if (atoms[nitems] == FRAME_X_DISPLAY_INFO (f)->Xatom_wm_save_yourself) | |
2235 | need_save = 0; | |
9ef48a9d RS |
2236 | } |
2237 | if (atoms) XFree ((char *) atoms); | |
2238 | } | |
2239 | { | |
2240 | Atom props [10]; | |
2241 | int count = 0; | |
b9dc4443 RS |
2242 | if (need_delete) |
2243 | props[count++] = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_delete_window; | |
2244 | if (need_focus) | |
2245 | props[count++] = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_take_focus; | |
2246 | if (need_save) | |
2247 | props[count++] = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_save_yourself; | |
9ef48a9d | 2248 | if (count) |
b9dc4443 RS |
2249 | XChangeProperty (dpy, w, FRAME_X_DISPLAY_INFO (f)->Xatom_wm_protocols, |
2250 | XA_ATOM, 32, PropModeAppend, | |
9ef48a9d RS |
2251 | (unsigned char *) props, count); |
2252 | } | |
2253 | UNBLOCK_INPUT; | |
2254 | } | |
2255 | #endif | |
86779fac GM |
2256 | |
2257 | ||
5a7df7d7 GM |
2258 | \f |
2259 | /* Support routines for XIC (X Input Context). */ | |
86779fac | 2260 | |
5a7df7d7 GM |
2261 | #ifdef HAVE_X_I18N |
2262 | ||
2263 | static XFontSet xic_create_xfontset P_ ((struct frame *, char *)); | |
2264 | static XIMStyle best_xim_style P_ ((XIMStyles *, XIMStyles *)); | |
2265 | ||
2266 | ||
1576f1ad | 2267 | /* Supported XIM styles, ordered by preference. */ |
5a7df7d7 GM |
2268 | |
2269 | static XIMStyle supported_xim_styles[] = | |
2270 | { | |
2271 | XIMPreeditPosition | XIMStatusArea, | |
2272 | XIMPreeditPosition | XIMStatusNothing, | |
2273 | XIMPreeditPosition | XIMStatusNone, | |
2274 | XIMPreeditNothing | XIMStatusArea, | |
2275 | XIMPreeditNothing | XIMStatusNothing, | |
2276 | XIMPreeditNothing | XIMStatusNone, | |
2277 | XIMPreeditNone | XIMStatusArea, | |
2278 | XIMPreeditNone | XIMStatusNothing, | |
2279 | XIMPreeditNone | XIMStatusNone, | |
2280 | 0, | |
2281 | }; | |
2282 | ||
2283 | ||
2284 | /* Create an X fontset on frame F with base font name | |
2285 | BASE_FONTNAME.. */ | |
2286 | ||
2287 | static XFontSet | |
2288 | xic_create_xfontset (f, base_fontname) | |
86779fac | 2289 | struct frame *f; |
5a7df7d7 | 2290 | char *base_fontname; |
86779fac | 2291 | { |
5a7df7d7 GM |
2292 | XFontSet xfs; |
2293 | char **missing_list; | |
2294 | int missing_count; | |
2295 | char *def_string; | |
177c0ea7 | 2296 | |
5a7df7d7 GM |
2297 | xfs = XCreateFontSet (FRAME_X_DISPLAY (f), |
2298 | base_fontname, &missing_list, | |
2299 | &missing_count, &def_string); | |
2300 | if (missing_list) | |
2301 | XFreeStringList (missing_list); | |
177c0ea7 | 2302 | |
5a7df7d7 GM |
2303 | /* No need to free def_string. */ |
2304 | return xfs; | |
2305 | } | |
2306 | ||
2307 | ||
2308 | /* Value is the best input style, given user preferences USER (already | |
2309 | checked to be supported by Emacs), and styles supported by the | |
2310 | input method XIM. */ | |
2311 | ||
2312 | static XIMStyle | |
2313 | best_xim_style (user, xim) | |
2314 | XIMStyles *user; | |
2315 | XIMStyles *xim; | |
2316 | { | |
2317 | int i, j; | |
2318 | ||
2319 | for (i = 0; i < user->count_styles; ++i) | |
2320 | for (j = 0; j < xim->count_styles; ++j) | |
2321 | if (user->supported_styles[i] == xim->supported_styles[j]) | |
2322 | return user->supported_styles[i]; | |
2323 | ||
2324 | /* Return the default style. */ | |
2325 | return XIMPreeditNothing | XIMStatusNothing; | |
2326 | } | |
2327 | ||
2328 | /* Create XIC for frame F. */ | |
2329 | ||
5df79d3d GM |
2330 | static XIMStyle xic_style; |
2331 | ||
5a7df7d7 GM |
2332 | void |
2333 | create_frame_xic (f) | |
2334 | struct frame *f; | |
2335 | { | |
5a7df7d7 GM |
2336 | XIM xim; |
2337 | XIC xic = NULL; | |
2338 | XFontSet xfs = NULL; | |
86779fac | 2339 | |
5a7df7d7 GM |
2340 | if (FRAME_XIC (f)) |
2341 | return; | |
177c0ea7 | 2342 | |
5a7df7d7 GM |
2343 | xim = FRAME_X_XIM (f); |
2344 | if (xim) | |
2345 | { | |
d9d57cb2 DL |
2346 | XRectangle s_area; |
2347 | XPoint spot; | |
5a7df7d7 GM |
2348 | XVaNestedList preedit_attr; |
2349 | XVaNestedList status_attr; | |
2350 | char *base_fontname; | |
2351 | int fontset; | |
2352 | ||
d9d57cb2 DL |
2353 | s_area.x = 0; s_area.y = 0; s_area.width = 1; s_area.height = 1; |
2354 | spot.x = 0; spot.y = 1; | |
5a7df7d7 GM |
2355 | /* Create X fontset. */ |
2356 | fontset = FRAME_FONTSET (f); | |
2357 | if (fontset < 0) | |
2358 | base_fontname = "-*-*-*-r-normal--14-*-*-*-*-*-*-*"; | |
2359 | else | |
2360 | { | |
6ecb43ce KH |
2361 | /* Determine the base fontname from the ASCII font name of |
2362 | FONTSET. */ | |
d5db4077 | 2363 | char *ascii_font = (char *) SDATA (fontset_ascii (fontset)); |
6ecb43ce | 2364 | char *p = ascii_font; |
5a7df7d7 | 2365 | int i; |
6ecb43ce KH |
2366 | |
2367 | for (i = 0; *p; p++) | |
2368 | if (*p == '-') i++; | |
2369 | if (i != 14) | |
2370 | /* As the font name doesn't conform to XLFD, we can't | |
2371 | modify it to get a suitable base fontname for the | |
2372 | frame. */ | |
2373 | base_fontname = "-*-*-*-r-normal--14-*-*-*-*-*-*-*"; | |
2374 | else | |
2375 | { | |
2376 | int len = strlen (ascii_font) + 1; | |
8ec8a5ec | 2377 | char *p1 = NULL; |
6ecb43ce KH |
2378 | |
2379 | for (i = 0, p = ascii_font; i < 8; p++) | |
2380 | { | |
2381 | if (*p == '-') | |
2382 | { | |
2383 | i++; | |
2384 | if (i == 3) | |
2385 | p1 = p + 1; | |
2386 | } | |
2387 | } | |
2388 | base_fontname = (char *) alloca (len); | |
2389 | bzero (base_fontname, len); | |
2390 | strcpy (base_fontname, "-*-*-"); | |
2391 | bcopy (p1, base_fontname + 5, p - p1); | |
2392 | strcat (base_fontname, "*-*-*-*-*-*-*"); | |
2393 | } | |
5a7df7d7 GM |
2394 | } |
2395 | xfs = xic_create_xfontset (f, base_fontname); | |
86779fac | 2396 | |
5a7df7d7 GM |
2397 | /* Determine XIC style. */ |
2398 | if (xic_style == 0) | |
2399 | { | |
2400 | XIMStyles supported_list; | |
2401 | supported_list.count_styles = (sizeof supported_xim_styles | |
2402 | / sizeof supported_xim_styles[0]); | |
2403 | supported_list.supported_styles = supported_xim_styles; | |
2404 | xic_style = best_xim_style (&supported_list, | |
2405 | FRAME_X_XIM_STYLES (f)); | |
2406 | } | |
86779fac | 2407 | |
5a7df7d7 GM |
2408 | preedit_attr = XVaCreateNestedList (0, |
2409 | XNFontSet, xfs, | |
2410 | XNForeground, | |
2411 | FRAME_FOREGROUND_PIXEL (f), | |
2412 | XNBackground, | |
2413 | FRAME_BACKGROUND_PIXEL (f), | |
2414 | (xic_style & XIMPreeditPosition | |
2415 | ? XNSpotLocation | |
2416 | : NULL), | |
2417 | &spot, | |
2418 | NULL); | |
2419 | status_attr = XVaCreateNestedList (0, | |
2420 | XNArea, | |
2421 | &s_area, | |
2422 | XNFontSet, | |
2423 | xfs, | |
2424 | XNForeground, | |
2425 | FRAME_FOREGROUND_PIXEL (f), | |
2426 | XNBackground, | |
2427 | FRAME_BACKGROUND_PIXEL (f), | |
2428 | NULL); | |
2429 | ||
2430 | xic = XCreateIC (xim, | |
2431 | XNInputStyle, xic_style, | |
2432 | XNClientWindow, FRAME_X_WINDOW(f), | |
2433 | XNFocusWindow, FRAME_X_WINDOW(f), | |
2434 | XNStatusAttributes, status_attr, | |
2435 | XNPreeditAttributes, preedit_attr, | |
2436 | NULL); | |
2437 | XFree (preedit_attr); | |
2438 | XFree (status_attr); | |
2439 | } | |
177c0ea7 | 2440 | |
5a7df7d7 GM |
2441 | FRAME_XIC (f) = xic; |
2442 | FRAME_XIC_STYLE (f) = xic_style; | |
2443 | FRAME_XIC_FONTSET (f) = xfs; | |
86779fac GM |
2444 | } |
2445 | ||
5a7df7d7 GM |
2446 | |
2447 | /* Destroy XIC and free XIC fontset of frame F, if any. */ | |
2448 | ||
2449 | void | |
2450 | free_frame_xic (f) | |
2451 | struct frame *f; | |
2452 | { | |
2453 | if (FRAME_XIC (f) == NULL) | |
2454 | return; | |
177c0ea7 | 2455 | |
5a7df7d7 GM |
2456 | XDestroyIC (FRAME_XIC (f)); |
2457 | if (FRAME_XIC_FONTSET (f)) | |
2458 | XFreeFontSet (FRAME_X_DISPLAY (f), FRAME_XIC_FONTSET (f)); | |
2459 | ||
2460 | FRAME_XIC (f) = NULL; | |
2461 | FRAME_XIC_FONTSET (f) = NULL; | |
2462 | } | |
2463 | ||
2464 | ||
2465 | /* Place preedit area for XIC of window W's frame to specified | |
2466 | pixel position X/Y. X and Y are relative to window W. */ | |
2467 | ||
2468 | void | |
2469 | xic_set_preeditarea (w, x, y) | |
2470 | struct window *w; | |
2471 | int x, y; | |
2472 | { | |
2473 | struct frame *f = XFRAME (w->frame); | |
2474 | XVaNestedList attr; | |
2475 | XPoint spot; | |
177c0ea7 | 2476 | |
17e6d491 | 2477 | spot.x = WINDOW_TO_FRAME_PIXEL_X (w, x) + WINDOW_LEFT_FRINGE_WIDTH (w); |
5a7df7d7 GM |
2478 | spot.y = WINDOW_TO_FRAME_PIXEL_Y (w, y) + FONT_BASE (FRAME_FONT (f)); |
2479 | attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL); | |
2480 | XSetICValues (FRAME_XIC (f), XNPreeditAttributes, attr, NULL); | |
2481 | XFree (attr); | |
2482 | } | |
2483 | ||
2484 | ||
2485 | /* Place status area for XIC in bottom right corner of frame F.. */ | |
2486 | ||
2487 | void | |
2488 | xic_set_statusarea (f) | |
2489 | struct frame *f; | |
2490 | { | |
2491 | XIC xic = FRAME_XIC (f); | |
2492 | XVaNestedList attr; | |
2493 | XRectangle area; | |
2494 | XRectangle *needed; | |
2495 | ||
2496 | /* Negotiate geometry of status area. If input method has existing | |
2497 | status area, use its current size. */ | |
2498 | area.x = area.y = area.width = area.height = 0; | |
2499 | attr = XVaCreateNestedList (0, XNAreaNeeded, &area, NULL); | |
2500 | XSetICValues (xic, XNStatusAttributes, attr, NULL); | |
2501 | XFree (attr); | |
177c0ea7 | 2502 | |
5a7df7d7 GM |
2503 | attr = XVaCreateNestedList (0, XNAreaNeeded, &needed, NULL); |
2504 | XGetICValues (xic, XNStatusAttributes, attr, NULL); | |
2505 | XFree (attr); | |
2506 | ||
2507 | if (needed->width == 0) /* Use XNArea instead of XNAreaNeeded */ | |
2508 | { | |
2509 | attr = XVaCreateNestedList (0, XNArea, &needed, NULL); | |
2510 | XGetICValues (xic, XNStatusAttributes, attr, NULL); | |
2511 | XFree (attr); | |
2512 | } | |
2513 | ||
2514 | area.width = needed->width; | |
2515 | area.height = needed->height; | |
be786000 KS |
2516 | area.x = FRAME_PIXEL_WIDTH (f) - area.width - FRAME_INTERNAL_BORDER_WIDTH (f); |
2517 | area.y = (FRAME_PIXEL_HEIGHT (f) - area.height | |
488dd4c4 JD |
2518 | - FRAME_MENUBAR_HEIGHT (f) |
2519 | - FRAME_TOOLBAR_HEIGHT (f) | |
2520 | - FRAME_INTERNAL_BORDER_WIDTH (f)); | |
5a7df7d7 GM |
2521 | XFree (needed); |
2522 | ||
2523 | attr = XVaCreateNestedList (0, XNArea, &area, NULL); | |
2524 | XSetICValues(xic, XNStatusAttributes, attr, NULL); | |
2525 | XFree (attr); | |
2526 | } | |
2527 | ||
2528 | ||
2529 | /* Set X fontset for XIC of frame F, using base font name | |
2530 | BASE_FONTNAME. Called when a new Emacs fontset is chosen. */ | |
2531 | ||
2532 | void | |
2533 | xic_set_xfontset (f, base_fontname) | |
2534 | struct frame *f; | |
2535 | char *base_fontname; | |
2536 | { | |
2537 | XVaNestedList attr; | |
2538 | XFontSet xfs; | |
2539 | ||
2540 | xfs = xic_create_xfontset (f, base_fontname); | |
2541 | ||
2542 | attr = XVaCreateNestedList (0, XNFontSet, xfs, NULL); | |
2543 | if (FRAME_XIC_STYLE (f) & XIMPreeditPosition) | |
2544 | XSetICValues (FRAME_XIC (f), XNPreeditAttributes, attr, NULL); | |
2545 | if (FRAME_XIC_STYLE (f) & XIMStatusArea) | |
2546 | XSetICValues (FRAME_XIC (f), XNStatusAttributes, attr, NULL); | |
2547 | XFree (attr); | |
177c0ea7 | 2548 | |
5a7df7d7 GM |
2549 | if (FRAME_XIC_FONTSET (f)) |
2550 | XFreeFontSet (FRAME_X_DISPLAY (f), FRAME_XIC_FONTSET (f)); | |
2551 | FRAME_XIC_FONTSET (f) = xfs; | |
2552 | } | |
2553 | ||
2554 | #endif /* HAVE_X_I18N */ | |
2555 | ||
2556 | ||
9ef48a9d | 2557 | \f |
8fc2766b RS |
2558 | #ifdef USE_X_TOOLKIT |
2559 | ||
2560 | /* Create and set up the X widget for frame F. */ | |
f58534a3 | 2561 | |
01f1ba30 | 2562 | static void |
a7f7d550 FP |
2563 | x_window (f, window_prompting, minibuffer_only) |
2564 | struct frame *f; | |
2565 | long window_prompting; | |
2566 | int minibuffer_only; | |
01f1ba30 | 2567 | { |
9ef48a9d | 2568 | XClassHint class_hints; |
31ac8d8c FP |
2569 | XSetWindowAttributes attributes; |
2570 | unsigned long attribute_mask; | |
9ef48a9d RS |
2571 | Widget shell_widget; |
2572 | Widget pane_widget; | |
6c32dd68 | 2573 | Widget frame_widget; |
9ef48a9d RS |
2574 | Arg al [25]; |
2575 | int ac; | |
2576 | ||
2577 | BLOCK_INPUT; | |
2578 | ||
b7975ee4 KH |
2579 | /* Use the resource name as the top-level widget name |
2580 | for looking up resources. Make a non-Lisp copy | |
2581 | for the window manager, so GC relocation won't bother it. | |
2582 | ||
2583 | Elsewhere we specify the window name for the window manager. */ | |
177c0ea7 | 2584 | |
cca176a0 | 2585 | { |
d5db4077 | 2586 | char *str = (char *) SDATA (Vx_resource_name); |
b7975ee4 | 2587 | f->namebuf = (char *) xmalloc (strlen (str) + 1); |
cca176a0 KH |
2588 | strcpy (f->namebuf, str); |
2589 | } | |
9ef48a9d RS |
2590 | |
2591 | ac = 0; | |
2592 | XtSetArg (al[ac], XtNallowShellResize, 1); ac++; | |
2593 | XtSetArg (al[ac], XtNinput, 1); ac++; | |
97787173 | 2594 | XtSetArg (al[ac], XtNmappedWhenManaged, 0); ac++; |
be786000 | 2595 | XtSetArg (al[ac], XtNborderWidth, f->border_width); ac++; |
9b2956e2 GM |
2596 | XtSetArg (al[ac], XtNvisual, FRAME_X_VISUAL (f)); ac++; |
2597 | XtSetArg (al[ac], XtNdepth, FRAME_X_DISPLAY_INFO (f)->n_planes); ac++; | |
2598 | XtSetArg (al[ac], XtNcolormap, FRAME_X_COLORMAP (f)); ac++; | |
cca176a0 | 2599 | shell_widget = XtAppCreateShell (f->namebuf, EMACS_CLASS, |
7a994728 | 2600 | applicationShellWidgetClass, |
82c90203 | 2601 | FRAME_X_DISPLAY (f), al, ac); |
9ef48a9d | 2602 | |
7556890b | 2603 | f->output_data.x->widget = shell_widget; |
9ef48a9d RS |
2604 | /* maybe_set_screen_title_format (shell_widget); */ |
2605 | ||
6c32dd68 PR |
2606 | pane_widget = lw_create_widget ("main", "pane", widget_id_tick++, |
2607 | (widget_value *) NULL, | |
2608 | shell_widget, False, | |
2609 | (lw_callback) NULL, | |
2610 | (lw_callback) NULL, | |
b6e11efd | 2611 | (lw_callback) NULL, |
6c32dd68 | 2612 | (lw_callback) NULL); |
9ef48a9d | 2613 | |
9b2956e2 GM |
2614 | ac = 0; |
2615 | XtSetArg (al[ac], XtNvisual, FRAME_X_VISUAL (f)); ac++; | |
2616 | XtSetArg (al[ac], XtNdepth, FRAME_X_DISPLAY_INFO (f)->n_planes); ac++; | |
2617 | XtSetArg (al[ac], XtNcolormap, FRAME_X_COLORMAP (f)); ac++; | |
2618 | XtSetValues (pane_widget, al, ac); | |
7556890b | 2619 | f->output_data.x->column_widget = pane_widget; |
a7f7d550 | 2620 | |
177c0ea7 | 2621 | /* mappedWhenManaged to false tells to the paned window to not map/unmap |
5e65b9ab | 2622 | the emacs screen when changing menubar. This reduces flickering. */ |
9ef48a9d RS |
2623 | |
2624 | ac = 0; | |
2625 | XtSetArg (al[ac], XtNmappedWhenManaged, 0); ac++; | |
2626 | XtSetArg (al[ac], XtNshowGrip, 0); ac++; | |
2627 | XtSetArg (al[ac], XtNallowResize, 1); ac++; | |
2628 | XtSetArg (al[ac], XtNresizeToPreferred, 1); ac++; | |
2629 | XtSetArg (al[ac], XtNemacsFrame, f); ac++; | |
9b2956e2 GM |
2630 | XtSetArg (al[ac], XtNvisual, FRAME_X_VISUAL (f)); ac++; |
2631 | XtSetArg (al[ac], XtNdepth, FRAME_X_DISPLAY_INFO (f)->n_planes); ac++; | |
2632 | XtSetArg (al[ac], XtNcolormap, FRAME_X_COLORMAP (f)); ac++; | |
2633 | frame_widget = XtCreateWidget (f->namebuf, emacsFrameClass, pane_widget, | |
2634 | al, ac); | |
177c0ea7 | 2635 | |
7556890b | 2636 | f->output_data.x->edit_widget = frame_widget; |
177c0ea7 JB |
2637 | |
2638 | XtManageChild (frame_widget); | |
a7f7d550 FP |
2639 | |
2640 | /* Do some needed geometry management. */ | |
2641 | { | |
2642 | int len; | |
2643 | char *tem, shell_position[32]; | |
2644 | Arg al[2]; | |
2645 | int ac = 0; | |
5031cc10 | 2646 | int extra_borders = 0; |
177c0ea7 | 2647 | int menubar_size |
7556890b RS |
2648 | = (f->output_data.x->menubar_widget |
2649 | ? (f->output_data.x->menubar_widget->core.height | |
2650 | + f->output_data.x->menubar_widget->core.border_width) | |
8fc2766b | 2651 | : 0); |
a7f7d550 | 2652 | |
f7008aff RS |
2653 | #if 0 /* Experimentally, we now get the right results |
2654 | for -geometry -0-0 without this. 24 Aug 96, rms. */ | |
01cbdba5 RS |
2655 | if (FRAME_EXTERNAL_MENU_BAR (f)) |
2656 | { | |
dd254b21 | 2657 | Dimension ibw = 0; |
01cbdba5 RS |
2658 | XtVaGetValues (pane_widget, XtNinternalBorderWidth, &ibw, NULL); |
2659 | menubar_size += ibw; | |
2660 | } | |
f7008aff | 2661 | #endif |
01cbdba5 | 2662 | |
7556890b | 2663 | f->output_data.x->menubar_height = menubar_size; |
00983aba | 2664 | |
440b0bfd | 2665 | #ifndef USE_LUCID |
5031cc10 KH |
2666 | /* Motif seems to need this amount added to the sizes |
2667 | specified for the shell widget. The Athena/Lucid widgets don't. | |
2668 | Both conclusions reached experimentally. -- rms. */ | |
440b0bfd RS |
2669 | XtVaGetValues (f->output_data.x->edit_widget, XtNinternalBorderWidth, |
2670 | &extra_borders, NULL); | |
2671 | extra_borders *= 2; | |
2672 | #endif | |
5031cc10 | 2673 | |
97787173 RS |
2674 | /* Convert our geometry parameters into a geometry string |
2675 | and specify it. | |
2676 | Note that we do not specify here whether the position | |
2677 | is a user-specified or program-specified one. | |
2678 | We pass that information later, in x_wm_set_size_hints. */ | |
2679 | { | |
be786000 | 2680 | int left = f->left_pos; |
97787173 | 2681 | int xneg = window_prompting & XNegative; |
be786000 | 2682 | int top = f->top_pos; |
97787173 RS |
2683 | int yneg = window_prompting & YNegative; |
2684 | if (xneg) | |
2685 | left = -left; | |
2686 | if (yneg) | |
2687 | top = -top; | |
c760f47e KH |
2688 | |
2689 | if (window_prompting & USPosition) | |
5031cc10 | 2690 | sprintf (shell_position, "=%dx%d%c%d%c%d", |
be786000 KS |
2691 | FRAME_PIXEL_WIDTH (f) + extra_borders, |
2692 | FRAME_PIXEL_HEIGHT (f) + menubar_size + extra_borders, | |
c760f47e KH |
2693 | (xneg ? '-' : '+'), left, |
2694 | (yneg ? '-' : '+'), top); | |
2695 | else | |
5031cc10 | 2696 | sprintf (shell_position, "=%dx%d", |
be786000 KS |
2697 | FRAME_PIXEL_WIDTH (f) + extra_borders, |
2698 | FRAME_PIXEL_HEIGHT (f) + menubar_size + extra_borders); | |
97787173 RS |
2699 | } |
2700 | ||
a7f7d550 | 2701 | len = strlen (shell_position) + 1; |
77110caa RS |
2702 | /* We don't free this because we don't know whether |
2703 | it is safe to free it while the frame exists. | |
2704 | It isn't worth the trouble of arranging to free it | |
2705 | when the frame is deleted. */ | |
a7f7d550 FP |
2706 | tem = (char *) xmalloc (len); |
2707 | strncpy (tem, shell_position, len); | |
2708 | XtSetArg (al[ac], XtNgeometry, tem); ac++; | |
2709 | XtSetValues (shell_widget, al, ac); | |
2710 | } | |
2711 | ||
9ef48a9d RS |
2712 | XtManageChild (pane_widget); |
2713 | XtRealizeWidget (shell_widget); | |
2714 | ||
177c0ea7 | 2715 | FRAME_X_WINDOW (f) = XtWindow (frame_widget); |
9ef48a9d RS |
2716 | |
2717 | validate_x_resource_name (); | |
b7975ee4 | 2718 | |
d5db4077 KR |
2719 | class_hints.res_name = (char *) SDATA (Vx_resource_name); |
2720 | class_hints.res_class = (char *) SDATA (Vx_resource_class); | |
b9dc4443 | 2721 | XSetClassHint (FRAME_X_DISPLAY (f), XtWindow (shell_widget), &class_hints); |
5a7df7d7 GM |
2722 | |
2723 | #ifdef HAVE_X_I18N | |
2724 | FRAME_XIC (f) = NULL; | |
1576f1ad DL |
2725 | if (use_xim) |
2726 | create_frame_xic (f); | |
5a7df7d7 | 2727 | #endif |
64d16748 | 2728 | |
7556890b RS |
2729 | f->output_data.x->wm_hints.input = True; |
2730 | f->output_data.x->wm_hints.flags |= InputHint; | |
b9dc4443 | 2731 | XSetWMHints (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 2732 | &f->output_data.x->wm_hints); |
b8228beb | 2733 | |
c4ec904f | 2734 | hack_wm_protocols (f, shell_widget); |
9ef48a9d | 2735 | |
6c32dd68 PR |
2736 | #ifdef HACK_EDITRES |
2737 | XtAddEventHandler (shell_widget, 0, True, _XEditResCheckMessages, 0); | |
2738 | #endif | |
2739 | ||
9ef48a9d | 2740 | /* Do a stupid property change to force the server to generate a |
333b20bb | 2741 | PropertyNotify event so that the event_stream server timestamp will |
9ef48a9d RS |
2742 | be initialized to something relevant to the time we created the window. |
2743 | */ | |
6c32dd68 | 2744 | XChangeProperty (XtDisplay (frame_widget), XtWindow (frame_widget), |
b9dc4443 RS |
2745 | FRAME_X_DISPLAY_INFO (f)->Xatom_wm_protocols, |
2746 | XA_ATOM, 32, PropModeAppend, | |
9ef48a9d RS |
2747 | (unsigned char*) NULL, 0); |
2748 | ||
5a7df7d7 | 2749 | /* Make all the standard events reach the Emacs frame. */ |
31ac8d8c | 2750 | attributes.event_mask = STANDARD_EVENT_SET; |
5a7df7d7 GM |
2751 | |
2752 | #ifdef HAVE_X_I18N | |
2753 | if (FRAME_XIC (f)) | |
2754 | { | |
2755 | /* XIM server might require some X events. */ | |
2756 | unsigned long fevent = NoEventMask; | |
2757 | XGetICValues(FRAME_XIC (f), XNFilterEvents, &fevent, NULL); | |
2758 | attributes.event_mask |= fevent; | |
2759 | } | |
2760 | #endif /* HAVE_X_I18N */ | |
177c0ea7 | 2761 | |
31ac8d8c FP |
2762 | attribute_mask = CWEventMask; |
2763 | XChangeWindowAttributes (XtDisplay (shell_widget), XtWindow (shell_widget), | |
2764 | attribute_mask, &attributes); | |
2765 | ||
6c32dd68 | 2766 | XtMapWidget (frame_widget); |
9ef48a9d | 2767 | |
8fc2766b RS |
2768 | /* x_set_name normally ignores requests to set the name if the |
2769 | requested name is the same as the current name. This is the one | |
2770 | place where that assumption isn't correct; f->name is set, but | |
2771 | the X server hasn't been told. */ | |
2772 | { | |
2773 | Lisp_Object name; | |
2774 | int explicit = f->explicit_name; | |
2775 | ||
2776 | f->explicit_name = 0; | |
2777 | name = f->name; | |
2778 | f->name = Qnil; | |
2779 | x_set_name (f, name, explicit); | |
2780 | } | |
2781 | ||
b9dc4443 | 2782 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 2783 | f->output_data.x->text_cursor); |
8fc2766b RS |
2784 | |
2785 | UNBLOCK_INPUT; | |
2786 | ||
495fa05e GM |
2787 | /* This is a no-op, except under Motif. Make sure main areas are |
2788 | set to something reasonable, in case we get an error later. */ | |
2789 | lw_set_main_areas (pane_widget, 0, frame_widget); | |
8fc2766b RS |
2790 | } |
2791 | ||
9ef48a9d | 2792 | #else /* not USE_X_TOOLKIT */ |
488dd4c4 JD |
2793 | #ifdef USE_GTK |
2794 | void | |
2795 | x_window (f) | |
2796 | FRAME_PTR f; | |
2797 | { | |
2798 | if (! xg_create_frame_widgets (f)) | |
2799 | error ("Unable to create window"); | |
1fcfb866 JD |
2800 | |
2801 | #ifdef HAVE_X_I18N | |
2802 | FRAME_XIC (f) = NULL; | |
1576f1ad DL |
2803 | if (use_xim) |
2804 | { | |
2805 | BLOCK_INPUT; | |
2806 | create_frame_xic (f); | |
2807 | if (FRAME_XIC (f)) | |
2808 | { | |
2809 | /* XIM server might require some X events. */ | |
2810 | unsigned long fevent = NoEventMask; | |
2811 | XGetICValues(FRAME_XIC (f), XNFilterEvents, &fevent, NULL); | |
1fcfb866 | 2812 | |
1576f1ad DL |
2813 | if (fevent != NoEventMask) |
2814 | { | |
2815 | XSetWindowAttributes attributes; | |
2816 | XWindowAttributes wattr; | |
2817 | unsigned long attribute_mask; | |
2818 | ||
2819 | XGetWindowAttributes (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
2820 | &wattr); | |
2821 | attributes.event_mask = wattr.your_event_mask | fevent; | |
2822 | attribute_mask = CWEventMask; | |
2823 | XChangeWindowAttributes (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
2824 | attribute_mask, &attributes); | |
2825 | } | |
2826 | } | |
2827 | UNBLOCK_INPUT; | |
2828 | } | |
1fcfb866 | 2829 | #endif |
488dd4c4 | 2830 | } |
9ef48a9d | 2831 | |
488dd4c4 | 2832 | #else /*! USE_GTK */ |
8fc2766b RS |
2833 | /* Create and set up the X window for frame F. */ |
2834 | ||
201d8c78 | 2835 | void |
8fc2766b RS |
2836 | x_window (f) |
2837 | struct frame *f; | |
2838 | ||
2839 | { | |
2840 | XClassHint class_hints; | |
2841 | XSetWindowAttributes attributes; | |
2842 | unsigned long attribute_mask; | |
2843 | ||
7556890b RS |
2844 | attributes.background_pixel = f->output_data.x->background_pixel; |
2845 | attributes.border_pixel = f->output_data.x->border_pixel; | |
01f1ba30 JB |
2846 | attributes.bit_gravity = StaticGravity; |
2847 | attributes.backing_store = NotUseful; | |
2848 | attributes.save_under = True; | |
2849 | attributes.event_mask = STANDARD_EVENT_SET; | |
9b2956e2 GM |
2850 | attributes.colormap = FRAME_X_COLORMAP (f); |
2851 | attribute_mask = (CWBackPixel | CWBorderPixel | CWBitGravity | CWEventMask | |
2852 | | CWColormap); | |
01f1ba30 JB |
2853 | |
2854 | BLOCK_INPUT; | |
fe24a618 | 2855 | FRAME_X_WINDOW (f) |
b9dc4443 | 2856 | = XCreateWindow (FRAME_X_DISPLAY (f), |
7556890b | 2857 | f->output_data.x->parent_desc, |
be786000 KS |
2858 | f->left_pos, |
2859 | f->top_pos, | |
2860 | FRAME_PIXEL_WIDTH (f), FRAME_PIXEL_HEIGHT (f), | |
2861 | f->border_width, | |
01f1ba30 JB |
2862 | CopyFromParent, /* depth */ |
2863 | InputOutput, /* class */ | |
383d6ffc | 2864 | FRAME_X_VISUAL (f), |
01f1ba30 | 2865 | attribute_mask, &attributes); |
5a7df7d7 GM |
2866 | |
2867 | #ifdef HAVE_X_I18N | |
4dacadcc | 2868 | if (use_xim) |
5a7df7d7 | 2869 | { |
1576f1ad DL |
2870 | create_frame_xic (f); |
2871 | if (FRAME_XIC (f)) | |
2872 | { | |
2873 | /* XIM server might require some X events. */ | |
2874 | unsigned long fevent = NoEventMask; | |
2875 | XGetICValues(FRAME_XIC (f), XNFilterEvents, &fevent, NULL); | |
2876 | attributes.event_mask |= fevent; | |
2877 | attribute_mask = CWEventMask; | |
2878 | XChangeWindowAttributes (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
2879 | attribute_mask, &attributes); | |
2880 | } | |
5a7df7d7 GM |
2881 | } |
2882 | #endif /* HAVE_X_I18N */ | |
177c0ea7 | 2883 | |
d387c960 | 2884 | validate_x_resource_name (); |
b7975ee4 | 2885 | |
d5db4077 KR |
2886 | class_hints.res_name = (char *) SDATA (Vx_resource_name); |
2887 | class_hints.res_class = (char *) SDATA (Vx_resource_class); | |
b9dc4443 | 2888 | XSetClassHint (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &class_hints); |
01f1ba30 | 2889 | |
00983aba KH |
2890 | /* The menubar is part of the ordinary display; |
2891 | it does not count in addition to the height of the window. */ | |
7556890b | 2892 | f->output_data.x->menubar_height = 0; |
00983aba | 2893 | |
179956b9 JB |
2894 | /* This indicates that we use the "Passive Input" input model. |
2895 | Unless we do this, we don't get the Focus{In,Out} events that we | |
2896 | need to draw the cursor correctly. Accursed bureaucrats. | |
b9dc4443 | 2897 | XWhipsAndChains (FRAME_X_DISPLAY (f), IronMaiden, &TheRack); */ |
179956b9 | 2898 | |
7556890b RS |
2899 | f->output_data.x->wm_hints.input = True; |
2900 | f->output_data.x->wm_hints.flags |= InputHint; | |
b9dc4443 | 2901 | XSetWMHints (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 2902 | &f->output_data.x->wm_hints); |
6d078211 | 2903 | f->output_data.x->wm_hints.icon_pixmap = None; |
179956b9 | 2904 | |
032e4ebe RS |
2905 | /* Request "save yourself" and "delete window" commands from wm. */ |
2906 | { | |
2907 | Atom protocols[2]; | |
b9dc4443 RS |
2908 | protocols[0] = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_delete_window; |
2909 | protocols[1] = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_save_yourself; | |
2910 | XSetWMProtocols (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), protocols, 2); | |
032e4ebe | 2911 | } |
9ef48a9d | 2912 | |
e373f201 JB |
2913 | /* x_set_name normally ignores requests to set the name if the |
2914 | requested name is the same as the current name. This is the one | |
2915 | place where that assumption isn't correct; f->name is set, but | |
2916 | the X server hasn't been told. */ | |
2917 | { | |
98381190 | 2918 | Lisp_Object name; |
cf177271 | 2919 | int explicit = f->explicit_name; |
e373f201 | 2920 | |
cf177271 | 2921 | f->explicit_name = 0; |
98381190 KH |
2922 | name = f->name; |
2923 | f->name = Qnil; | |
cf177271 | 2924 | x_set_name (f, name, explicit); |
e373f201 JB |
2925 | } |
2926 | ||
b9dc4443 | 2927 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 2928 | f->output_data.x->text_cursor); |
9ef48a9d | 2929 | |
01f1ba30 JB |
2930 | UNBLOCK_INPUT; |
2931 | ||
fe24a618 | 2932 | if (FRAME_X_WINDOW (f) == 0) |
9ef48a9d | 2933 | error ("Unable to create window"); |
01f1ba30 JB |
2934 | } |
2935 | ||
488dd4c4 | 2936 | #endif /* not USE_GTK */ |
8fc2766b RS |
2937 | #endif /* not USE_X_TOOLKIT */ |
2938 | ||
01f1ba30 JB |
2939 | /* Handle the icon stuff for this window. Perhaps later we might |
2940 | want an x_set_icon_position which can be called interactively as | |
b9dc4443 | 2941 | well. */ |
01f1ba30 JB |
2942 | |
2943 | static void | |
f676886a JB |
2944 | x_icon (f, parms) |
2945 | struct frame *f; | |
01f1ba30 JB |
2946 | Lisp_Object parms; |
2947 | { | |
f9942c9e | 2948 | Lisp_Object icon_x, icon_y; |
abb4b7ec | 2949 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
01f1ba30 JB |
2950 | |
2951 | /* Set the position of the icon. Note that twm groups all | |
b9dc4443 | 2952 | icons in an icon window. */ |
7c0d3ed8 KS |
2953 | icon_x = x_frame_get_and_record_arg (f, parms, Qicon_left, 0, 0, RES_TYPE_NUMBER); |
2954 | icon_y = x_frame_get_and_record_arg (f, parms, Qicon_top, 0, 0, RES_TYPE_NUMBER); | |
f9942c9e | 2955 | if (!EQ (icon_x, Qunbound) && !EQ (icon_y, Qunbound)) |
01f1ba30 | 2956 | { |
b7826503 PJ |
2957 | CHECK_NUMBER (icon_x); |
2958 | CHECK_NUMBER (icon_y); | |
01f1ba30 | 2959 | } |
f9942c9e | 2960 | else if (!EQ (icon_x, Qunbound) || !EQ (icon_y, Qunbound)) |
01f1ba30 | 2961 | error ("Both left and top icon corners of icon must be specified"); |
01f1ba30 | 2962 | |
f9942c9e JB |
2963 | BLOCK_INPUT; |
2964 | ||
fe24a618 JB |
2965 | if (! EQ (icon_x, Qunbound)) |
2966 | x_wm_set_icon_position (f, XINT (icon_x), XINT (icon_y)); | |
f9942c9e | 2967 | |
01f1ba30 | 2968 | /* Start up iconic or window? */ |
49795535 | 2969 | x_wm_set_window_state |
333b20bb GM |
2970 | (f, (EQ (x_get_arg (dpyinfo, parms, Qvisibility, 0, 0, RES_TYPE_SYMBOL), |
2971 | Qicon) | |
49795535 JB |
2972 | ? IconicState |
2973 | : NormalState)); | |
01f1ba30 | 2974 | |
d5db4077 | 2975 | x_text_icon (f, (char *) SDATA ((!NILP (f->icon_name) |
f468da95 | 2976 | ? f->icon_name |
d5db4077 | 2977 | : f->name))); |
80534dd6 | 2978 | |
01f1ba30 JB |
2979 | UNBLOCK_INPUT; |
2980 | } | |
2981 | ||
b243755a | 2982 | /* Make the GCs needed for this window, setting the |
01f1ba30 JB |
2983 | background, border and mouse colors; also create the |
2984 | mouse cursor and the gray border tile. */ | |
2985 | ||
f945b920 JB |
2986 | static char cursor_bits[] = |
2987 | { | |
2988 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
2989 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
2990 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
2991 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | |
2992 | }; | |
2993 | ||
01f1ba30 | 2994 | static void |
f676886a JB |
2995 | x_make_gc (f) |
2996 | struct frame *f; | |
01f1ba30 JB |
2997 | { |
2998 | XGCValues gc_values; | |
01f1ba30 | 2999 | |
6afb1d07 JB |
3000 | BLOCK_INPUT; |
3001 | ||
b243755a | 3002 | /* Create the GCs of this frame. |
9ef48a9d | 3003 | Note that many default values are used. */ |
01f1ba30 JB |
3004 | |
3005 | /* Normal video */ | |
be786000 | 3006 | gc_values.font = FRAME_FONT (f)->fid; |
7556890b RS |
3007 | gc_values.foreground = f->output_data.x->foreground_pixel; |
3008 | gc_values.background = f->output_data.x->background_pixel; | |
9ef48a9d | 3009 | gc_values.line_width = 0; /* Means 1 using fast algorithm. */ |
959e647d GM |
3010 | f->output_data.x->normal_gc |
3011 | = XCreateGC (FRAME_X_DISPLAY (f), | |
3012 | FRAME_X_WINDOW (f), | |
3013 | GCLineWidth | GCFont | GCForeground | GCBackground, | |
3014 | &gc_values); | |
01f1ba30 | 3015 | |
b9dc4443 | 3016 | /* Reverse video style. */ |
7556890b RS |
3017 | gc_values.foreground = f->output_data.x->background_pixel; |
3018 | gc_values.background = f->output_data.x->foreground_pixel; | |
959e647d GM |
3019 | f->output_data.x->reverse_gc |
3020 | = XCreateGC (FRAME_X_DISPLAY (f), | |
3021 | FRAME_X_WINDOW (f), | |
3022 | GCFont | GCForeground | GCBackground | GCLineWidth, | |
3023 | &gc_values); | |
01f1ba30 | 3024 | |
9ef48a9d | 3025 | /* Cursor has cursor-color background, background-color foreground. */ |
7556890b RS |
3026 | gc_values.foreground = f->output_data.x->background_pixel; |
3027 | gc_values.background = f->output_data.x->cursor_pixel; | |
01f1ba30 JB |
3028 | gc_values.fill_style = FillOpaqueStippled; |
3029 | gc_values.stipple | |
b9dc4443 RS |
3030 | = XCreateBitmapFromData (FRAME_X_DISPLAY (f), |
3031 | FRAME_X_DISPLAY_INFO (f)->root_window, | |
01f1ba30 | 3032 | cursor_bits, 16, 16); |
7556890b | 3033 | f->output_data.x->cursor_gc |
b9dc4443 | 3034 | = XCreateGC (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
01f1ba30 | 3035 | (GCFont | GCForeground | GCBackground |
ac1f48a4 | 3036 | | GCFillStyle /* | GCStipple */ | GCLineWidth), |
01f1ba30 JB |
3037 | &gc_values); |
3038 | ||
333b20bb GM |
3039 | /* Reliefs. */ |
3040 | f->output_data.x->white_relief.gc = 0; | |
3041 | f->output_data.x->black_relief.gc = 0; | |
3042 | ||
01f1ba30 | 3043 | /* Create the gray border tile used when the pointer is not in |
f676886a | 3044 | the frame. Since this depends on the frame's pixel values, |
9ef48a9d | 3045 | this must be done on a per-frame basis. */ |
7556890b | 3046 | f->output_data.x->border_tile |
d043f1a4 | 3047 | = (XCreatePixmapFromBitmapData |
177c0ea7 | 3048 | (FRAME_X_DISPLAY (f), FRAME_X_DISPLAY_INFO (f)->root_window, |
d043f1a4 | 3049 | gray_bits, gray_width, gray_height, |
7556890b RS |
3050 | f->output_data.x->foreground_pixel, |
3051 | f->output_data.x->background_pixel, | |
ab452f99 | 3052 | DefaultDepth (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f)))); |
6afb1d07 JB |
3053 | |
3054 | UNBLOCK_INPUT; | |
01f1ba30 | 3055 | } |
01f1ba30 | 3056 | |
959e647d GM |
3057 | |
3058 | /* Free what was was allocated in x_make_gc. */ | |
3059 | ||
3060 | void | |
3061 | x_free_gcs (f) | |
3062 | struct frame *f; | |
3063 | { | |
3064 | Display *dpy = FRAME_X_DISPLAY (f); | |
3065 | ||
3066 | BLOCK_INPUT; | |
177c0ea7 | 3067 | |
959e647d GM |
3068 | if (f->output_data.x->normal_gc) |
3069 | { | |
3070 | XFreeGC (dpy, f->output_data.x->normal_gc); | |
3071 | f->output_data.x->normal_gc = 0; | |
3072 | } | |
3073 | ||
3074 | if (f->output_data.x->reverse_gc) | |
3075 | { | |
3076 | XFreeGC (dpy, f->output_data.x->reverse_gc); | |
3077 | f->output_data.x->reverse_gc = 0; | |
3078 | } | |
177c0ea7 | 3079 | |
959e647d GM |
3080 | if (f->output_data.x->cursor_gc) |
3081 | { | |
3082 | XFreeGC (dpy, f->output_data.x->cursor_gc); | |
3083 | f->output_data.x->cursor_gc = 0; | |
3084 | } | |
3085 | ||
3086 | if (f->output_data.x->border_tile) | |
3087 | { | |
3088 | XFreePixmap (dpy, f->output_data.x->border_tile); | |
3089 | f->output_data.x->border_tile = 0; | |
3090 | } | |
3091 | ||
3092 | UNBLOCK_INPUT; | |
3093 | } | |
3094 | ||
3095 | ||
eaf1eea9 GM |
3096 | /* Handler for signals raised during x_create_frame and |
3097 | x_create_top_frame. FRAME is the frame which is partially | |
3098 | constructed. */ | |
3099 | ||
3100 | static Lisp_Object | |
3101 | unwind_create_frame (frame) | |
3102 | Lisp_Object frame; | |
3103 | { | |
3104 | struct frame *f = XFRAME (frame); | |
3105 | ||
3106 | /* If frame is ``official'', nothing to do. */ | |
3107 | if (!CONSP (Vframe_list) || !EQ (XCAR (Vframe_list), frame)) | |
3108 | { | |
f1d2ce7f | 3109 | #if GLYPH_DEBUG |
eaf1eea9 GM |
3110 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
3111 | #endif | |
177c0ea7 | 3112 | |
eaf1eea9 GM |
3113 | x_free_frame_resources (f); |
3114 | ||
3115 | /* Check that reference counts are indeed correct. */ | |
3116 | xassert (dpyinfo->reference_count == dpyinfo_refcount); | |
3117 | xassert (dpyinfo->image_cache->refcount == image_cache_refcount); | |
c844a81a | 3118 | return Qt; |
eaf1eea9 | 3119 | } |
177c0ea7 | 3120 | |
eaf1eea9 GM |
3121 | return Qnil; |
3122 | } | |
3123 | ||
3124 | ||
f676886a | 3125 | DEFUN ("x-create-frame", Fx_create_frame, Sx_create_frame, |
01f1ba30 | 3126 | 1, 1, 0, |
7ee72033 | 3127 | doc: /* Make a new X window, which is called a "frame" in Emacs terms. |
c061c855 GM |
3128 | Returns an Emacs frame object. |
3129 | ALIST is an alist of frame parameters. | |
3130 | If the parameters specify that the frame should not have a minibuffer, | |
3131 | and do not specify a specific minibuffer window to use, | |
3132 | then `default-minibuffer-frame' must be a frame whose minibuffer can | |
3133 | be shared by the new frame. | |
3134 | ||
7ee72033 MB |
3135 | This function is an internal primitive--use `make-frame' instead. */) |
3136 | (parms) | |
01f1ba30 JB |
3137 | Lisp_Object parms; |
3138 | { | |
f676886a | 3139 | struct frame *f; |
2365c027 | 3140 | Lisp_Object frame, tem; |
01f1ba30 JB |
3141 | Lisp_Object name; |
3142 | int minibuffer_only = 0; | |
3143 | long window_prompting = 0; | |
3144 | int width, height; | |
331379bf | 3145 | int count = SPECPDL_INDEX (); |
ecaca587 | 3146 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4; |
b9dc4443 | 3147 | Lisp_Object display; |
333b20bb | 3148 | struct x_display_info *dpyinfo = NULL; |
a59e4f3d | 3149 | Lisp_Object parent; |
e557f19d | 3150 | struct kboard *kb; |
01f1ba30 | 3151 | |
11ae94fe | 3152 | check_x (); |
01f1ba30 | 3153 | |
b7975ee4 KH |
3154 | /* Use this general default value to start with |
3155 | until we know if this frame has a specified name. */ | |
3156 | Vx_resource_name = Vinvocation_name; | |
3157 | ||
333b20bb | 3158 | display = x_get_arg (dpyinfo, parms, Qdisplay, 0, 0, RES_TYPE_STRING); |
b9dc4443 RS |
3159 | if (EQ (display, Qunbound)) |
3160 | display = Qnil; | |
3161 | dpyinfo = check_x_display_info (display); | |
e557f19d KH |
3162 | #ifdef MULTI_KBOARD |
3163 | kb = dpyinfo->kboard; | |
3164 | #else | |
3165 | kb = &the_only_kboard; | |
3166 | #endif | |
b9dc4443 | 3167 | |
333b20bb | 3168 | name = x_get_arg (dpyinfo, parms, Qname, "name", "Name", RES_TYPE_STRING); |
6a5e54e2 | 3169 | if (!STRINGP (name) |
cf177271 JB |
3170 | && ! EQ (name, Qunbound) |
3171 | && ! NILP (name)) | |
08a90d6a | 3172 | error ("Invalid frame name--not a string or nil"); |
01f1ba30 | 3173 | |
b7975ee4 KH |
3174 | if (STRINGP (name)) |
3175 | Vx_resource_name = name; | |
3176 | ||
a59e4f3d | 3177 | /* See if parent window is specified. */ |
333b20bb | 3178 | parent = x_get_arg (dpyinfo, parms, Qparent_id, NULL, NULL, RES_TYPE_NUMBER); |
a59e4f3d RS |
3179 | if (EQ (parent, Qunbound)) |
3180 | parent = Qnil; | |
3181 | if (! NILP (parent)) | |
b7826503 | 3182 | CHECK_NUMBER (parent); |
a59e4f3d | 3183 | |
ecaca587 RS |
3184 | /* make_frame_without_minibuffer can run Lisp code and garbage collect. */ |
3185 | /* No need to protect DISPLAY because that's not used after passing | |
3186 | it to make_frame_without_minibuffer. */ | |
3187 | frame = Qnil; | |
3188 | GCPRO4 (parms, parent, name, frame); | |
333b20bb GM |
3189 | tem = x_get_arg (dpyinfo, parms, Qminibuffer, "minibuffer", "Minibuffer", |
3190 | RES_TYPE_SYMBOL); | |
f9942c9e | 3191 | if (EQ (tem, Qnone) || NILP (tem)) |
2526c290 | 3192 | f = make_frame_without_minibuffer (Qnil, kb, display); |
f9942c9e | 3193 | else if (EQ (tem, Qonly)) |
01f1ba30 | 3194 | { |
f676886a | 3195 | f = make_minibuffer_frame (); |
01f1ba30 JB |
3196 | minibuffer_only = 1; |
3197 | } | |
6a5e54e2 | 3198 | else if (WINDOWP (tem)) |
2526c290 | 3199 | f = make_frame_without_minibuffer (tem, kb, display); |
f9942c9e JB |
3200 | else |
3201 | f = make_frame (1); | |
01f1ba30 | 3202 | |
ecaca587 RS |
3203 | XSETFRAME (frame, f); |
3204 | ||
a3c87d4e JB |
3205 | /* Note that X Windows does support scroll bars. */ |
3206 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 1; | |
179956b9 | 3207 | |
08a90d6a | 3208 | f->output_method = output_x_window; |
7556890b RS |
3209 | f->output_data.x = (struct x_output *) xmalloc (sizeof (struct x_output)); |
3210 | bzero (f->output_data.x, sizeof (struct x_output)); | |
3211 | f->output_data.x->icon_bitmap = -1; | |
be786000 | 3212 | FRAME_FONTSET (f) = -1; |
333b20bb GM |
3213 | f->output_data.x->scroll_bar_foreground_pixel = -1; |
3214 | f->output_data.x->scroll_bar_background_pixel = -1; | |
f15340b7 MB |
3215 | #ifdef USE_TOOLKIT_SCROLL_BARS |
3216 | f->output_data.x->scroll_bar_top_shadow_pixel = -1; | |
3217 | f->output_data.x->scroll_bar_bottom_shadow_pixel = -1; | |
3218 | #endif /* USE_TOOLKIT_SCROLL_BARS */ | |
eaf1eea9 | 3219 | record_unwind_protect (unwind_create_frame, frame); |
08a90d6a | 3220 | |
f468da95 | 3221 | f->icon_name |
333b20bb GM |
3222 | = x_get_arg (dpyinfo, parms, Qicon_name, "iconName", "Title", |
3223 | RES_TYPE_STRING); | |
f468da95 RS |
3224 | if (! STRINGP (f->icon_name)) |
3225 | f->icon_name = Qnil; | |
80534dd6 | 3226 | |
08a90d6a | 3227 | FRAME_X_DISPLAY_INFO (f) = dpyinfo; |
f1d2ce7f | 3228 | #if GLYPH_DEBUG |
eaf1eea9 GM |
3229 | image_cache_refcount = FRAME_X_IMAGE_CACHE (f)->refcount; |
3230 | dpyinfo_refcount = dpyinfo->reference_count; | |
3231 | #endif /* GLYPH_DEBUG */ | |
73410c76 | 3232 | #ifdef MULTI_KBOARD |
e557f19d | 3233 | FRAME_KBOARD (f) = kb; |
73410c76 | 3234 | #endif |
08a90d6a | 3235 | |
9b2956e2 GM |
3236 | /* These colors will be set anyway later, but it's important |
3237 | to get the color reference counts right, so initialize them! */ | |
3238 | { | |
3239 | Lisp_Object black; | |
3240 | struct gcpro gcpro1; | |
cefecbcf GM |
3241 | |
3242 | /* Function x_decode_color can signal an error. Make | |
3243 | sure to initialize color slots so that we won't try | |
3244 | to free colors we haven't allocated. */ | |
3245 | f->output_data.x->foreground_pixel = -1; | |
3246 | f->output_data.x->background_pixel = -1; | |
3247 | f->output_data.x->cursor_pixel = -1; | |
3248 | f->output_data.x->cursor_foreground_pixel = -1; | |
3249 | f->output_data.x->border_pixel = -1; | |
3250 | f->output_data.x->mouse_pixel = -1; | |
177c0ea7 | 3251 | |
9b2956e2 GM |
3252 | black = build_string ("black"); |
3253 | GCPRO1 (black); | |
3254 | f->output_data.x->foreground_pixel | |
3255 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
3256 | f->output_data.x->background_pixel | |
3257 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
3258 | f->output_data.x->cursor_pixel | |
3259 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
3260 | f->output_data.x->cursor_foreground_pixel | |
3261 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
3262 | f->output_data.x->border_pixel | |
3263 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
3264 | f->output_data.x->mouse_pixel | |
3265 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
3266 | UNGCPRO; | |
3267 | } | |
3268 | ||
a59e4f3d RS |
3269 | /* Specify the parent under which to make this X window. */ |
3270 | ||
3271 | if (!NILP (parent)) | |
3272 | { | |
8c239ac3 | 3273 | f->output_data.x->parent_desc = (Window) XFASTINT (parent); |
7556890b | 3274 | f->output_data.x->explicit_parent = 1; |
a59e4f3d RS |
3275 | } |
3276 | else | |
3277 | { | |
7556890b RS |
3278 | f->output_data.x->parent_desc = FRAME_X_DISPLAY_INFO (f)->root_window; |
3279 | f->output_data.x->explicit_parent = 0; | |
a59e4f3d RS |
3280 | } |
3281 | ||
cf177271 JB |
3282 | /* Set the name; the functions to which we pass f expect the name to |
3283 | be set. */ | |
3284 | if (EQ (name, Qunbound) || NILP (name)) | |
3285 | { | |
08a90d6a | 3286 | f->name = build_string (dpyinfo->x_id_name); |
cf177271 JB |
3287 | f->explicit_name = 0; |
3288 | } | |
3289 | else | |
3290 | { | |
3291 | f->name = name; | |
3292 | f->explicit_name = 1; | |
9ef48a9d RS |
3293 | /* use the frame's title when getting resources for this frame. */ |
3294 | specbind (Qx_resource_name, name); | |
cf177271 | 3295 | } |
01f1ba30 | 3296 | |
01f1ba30 JB |
3297 | /* Extract the window parameters from the supplied values |
3298 | that are needed to determine window geometry. */ | |
d387c960 JB |
3299 | { |
3300 | Lisp_Object font; | |
3301 | ||
333b20bb | 3302 | font = x_get_arg (dpyinfo, parms, Qfont, "font", "Font", RES_TYPE_STRING); |
2ee3abaa | 3303 | |
7fb92cb1 KH |
3304 | /* If the caller has specified no font, try out fonts which we |
3305 | hope have bold and italic variations. */ | |
e5e548e3 | 3306 | if (!STRINGP (font)) |
7fb92cb1 KH |
3307 | { |
3308 | char *names[] | |
3309 | = { "-adobe-courier-medium-r-*-*-*-120-*-*-*-*-iso8859-1", | |
3310 | "-misc-fixed-medium-r-normal-*-*-140-*-*-c-*-iso8859-1", | |
3311 | "-*-*-medium-r-normal-*-*-140-*-*-c-*-iso8859-1", | |
3312 | /* This was formerly the first thing tried, but it finds | |
3313 | too many fonts and takes too long. */ | |
3314 | "-*-*-medium-r-*-*-*-*-*-*-c-*-iso8859-1", | |
3315 | /* If those didn't work, look for something which will | |
3316 | at least work. */ | |
3317 | "-*-fixed-*-*-*-*-*-140-*-*-c-*-iso8859-1", | |
3318 | NULL }; | |
3319 | int i; | |
3320 | ||
3321 | BLOCK_INPUT; | |
3322 | for (i = 0; names[i]; i++) | |
3323 | { | |
3324 | Lisp_Object list; | |
e5e548e3 | 3325 | |
7fb92cb1 KH |
3326 | list = x_list_fonts (f, build_string (names[i]), 0, 1); |
3327 | if (CONSP (list)) | |
3328 | { | |
3329 | font = XCAR (list); | |
3330 | break; | |
3331 | } | |
3332 | } | |
3333 | UNBLOCK_INPUT; | |
3334 | if (! STRINGP (font)) | |
3335 | font = build_string ("fixed"); | |
3336 | } | |
477f8642 | 3337 | x_default_parameter (f, parms, Qfont, font, |
333b20bb | 3338 | "font", "Font", RES_TYPE_STRING); |
d387c960 | 3339 | } |
9ef48a9d | 3340 | |
e3881aa0 | 3341 | #ifdef USE_LUCID |
82c90203 RS |
3342 | /* Prevent lwlib/xlwmenu.c from crashing because of a bug |
3343 | whereby it fails to get any font. */ | |
be786000 | 3344 | xlwmenu_default_font = FRAME_FONT (f); |
dd254b21 | 3345 | #endif |
82c90203 | 3346 | |
cf177271 | 3347 | x_default_parameter (f, parms, Qborder_width, make_number (2), |
333b20bb | 3348 | "borderWidth", "BorderWidth", RES_TYPE_NUMBER); |
177c0ea7 | 3349 | |
4e397688 | 3350 | /* This defaults to 1 in order to match xterm. We recognize either |
ddf768c3 JB |
3351 | internalBorderWidth or internalBorder (which is what xterm calls |
3352 | it). */ | |
3353 | if (NILP (Fassq (Qinternal_border_width, parms))) | |
3354 | { | |
3355 | Lisp_Object value; | |
3356 | ||
abb4b7ec | 3357 | value = x_get_arg (dpyinfo, parms, Qinternal_border_width, |
333b20bb | 3358 | "internalBorder", "internalBorder", RES_TYPE_NUMBER); |
ddf768c3 JB |
3359 | if (! EQ (value, Qunbound)) |
3360 | parms = Fcons (Fcons (Qinternal_border_width, value), | |
3361 | parms); | |
3362 | } | |
dca97592 | 3363 | x_default_parameter (f, parms, Qinternal_border_width, make_number (1), |
333b20bb GM |
3364 | "internalBorderWidth", "internalBorderWidth", |
3365 | RES_TYPE_NUMBER); | |
1ab3d87e | 3366 | x_default_parameter (f, parms, Qvertical_scroll_bars, Qleft, |
333b20bb GM |
3367 | "verticalScrollBars", "ScrollBars", |
3368 | RES_TYPE_SYMBOL); | |
01f1ba30 | 3369 | |
b9dc4443 | 3370 | /* Also do the stuff which must be set before the window exists. */ |
cf177271 | 3371 | x_default_parameter (f, parms, Qforeground_color, build_string ("black"), |
333b20bb | 3372 | "foreground", "Foreground", RES_TYPE_STRING); |
cf177271 | 3373 | x_default_parameter (f, parms, Qbackground_color, build_string ("white"), |
0b60fc91 | 3374 | "background", "Background", RES_TYPE_STRING); |
cf177271 | 3375 | x_default_parameter (f, parms, Qmouse_color, build_string ("black"), |
333b20bb | 3376 | "pointerColor", "Foreground", RES_TYPE_STRING); |
cf177271 | 3377 | x_default_parameter (f, parms, Qcursor_color, build_string ("black"), |
333b20bb | 3378 | "cursorColor", "Foreground", RES_TYPE_STRING); |
cf177271 | 3379 | x_default_parameter (f, parms, Qborder_color, build_string ("black"), |
333b20bb | 3380 | "borderColor", "BorderColor", RES_TYPE_STRING); |
d62c8769 GM |
3381 | x_default_parameter (f, parms, Qscreen_gamma, Qnil, |
3382 | "screenGamma", "ScreenGamma", RES_TYPE_FLOAT); | |
563b67aa GM |
3383 | x_default_parameter (f, parms, Qline_spacing, Qnil, |
3384 | "lineSpacing", "LineSpacing", RES_TYPE_NUMBER); | |
b3ba0aa8 KS |
3385 | x_default_parameter (f, parms, Qleft_fringe, Qnil, |
3386 | "leftFringe", "LeftFringe", RES_TYPE_NUMBER); | |
3387 | x_default_parameter (f, parms, Qright_fringe, Qnil, | |
3388 | "rightFringe", "RightFringe", RES_TYPE_NUMBER); | |
333b20bb GM |
3389 | |
3390 | x_default_scroll_bar_color_parameter (f, parms, Qscroll_bar_foreground, | |
3391 | "scrollBarForeground", | |
3392 | "ScrollBarForeground", 1); | |
3393 | x_default_scroll_bar_color_parameter (f, parms, Qscroll_bar_background, | |
3394 | "scrollBarBackground", | |
3395 | "ScrollBarBackground", 0); | |
3396 | ||
3397 | /* Init faces before x_default_parameter is called for scroll-bar | |
3398 | parameters because that function calls x_set_scroll_bar_width, | |
3399 | which calls change_frame_size, which calls Fset_window_buffer, | |
3400 | which runs hooks, which call Fvertical_motion. At the end, we | |
3401 | end up in init_iterator with a null face cache, which should not | |
3402 | happen. */ | |
3403 | init_frame_faces (f); | |
177c0ea7 | 3404 | |
c7bcb20d | 3405 | x_default_parameter (f, parms, Qmenu_bar_lines, make_number (1), |
333b20bb | 3406 | "menuBar", "MenuBar", RES_TYPE_NUMBER); |
e33455ca | 3407 | x_default_parameter (f, parms, Qtool_bar_lines, make_number (1), |
333b20bb | 3408 | "toolBar", "ToolBar", RES_TYPE_NUMBER); |
79873d50 | 3409 | x_default_parameter (f, parms, Qbuffer_predicate, Qnil, |
333b20bb GM |
3410 | "bufferPredicate", "BufferPredicate", |
3411 | RES_TYPE_SYMBOL); | |
c2304e02 | 3412 | x_default_parameter (f, parms, Qtitle, Qnil, |
333b20bb | 3413 | "title", "Title", RES_TYPE_STRING); |
ea0a1f53 GM |
3414 | x_default_parameter (f, parms, Qwait_for_wm, Qt, |
3415 | "waitForWM", "WaitForWM", RES_TYPE_BOOLEAN); | |
49d41073 EZ |
3416 | x_default_parameter (f, parms, Qfullscreen, Qnil, |
3417 | "fullscreen", "Fullscreen", RES_TYPE_SYMBOL); | |
90eb1019 | 3418 | |
7556890b | 3419 | f->output_data.x->parent_desc = FRAME_X_DISPLAY_INFO (f)->root_window; |
35f59f6b | 3420 | |
35f59f6b | 3421 | /* Compute the size of the X window. */ |
7c0d3ed8 | 3422 | window_prompting = x_figure_window_size (f, parms, 1); |
38d22040 | 3423 | |
495fa05e GM |
3424 | tem = x_get_arg (dpyinfo, parms, Qunsplittable, 0, 0, RES_TYPE_BOOLEAN); |
3425 | f->no_split = minibuffer_only || EQ (tem, Qt); | |
3426 | ||
6a1bcd01 | 3427 | /* Create the X widget or window. */ |
a7f7d550 FP |
3428 | #ifdef USE_X_TOOLKIT |
3429 | x_window (f, window_prompting, minibuffer_only); | |
3430 | #else | |
f676886a | 3431 | x_window (f); |
a7f7d550 | 3432 | #endif |
177c0ea7 | 3433 | |
f676886a JB |
3434 | x_icon (f, parms); |
3435 | x_make_gc (f); | |
01f1ba30 | 3436 | |
495fa05e GM |
3437 | /* Now consider the frame official. */ |
3438 | FRAME_X_DISPLAY_INFO (f)->reference_count++; | |
3439 | Vframe_list = Fcons (frame, Vframe_list); | |
3440 | ||
f9942c9e JB |
3441 | /* We need to do this after creating the X window, so that the |
3442 | icon-creation functions can say whose icon they're describing. */ | |
cf177271 | 3443 | x_default_parameter (f, parms, Qicon_type, Qnil, |
333b20bb | 3444 | "bitmapIcon", "BitmapIcon", RES_TYPE_SYMBOL); |
f9942c9e | 3445 | |
cf177271 | 3446 | x_default_parameter (f, parms, Qauto_raise, Qnil, |
333b20bb | 3447 | "autoRaise", "AutoRaiseLower", RES_TYPE_BOOLEAN); |
cf177271 | 3448 | x_default_parameter (f, parms, Qauto_lower, Qnil, |
333b20bb | 3449 | "autoLower", "AutoRaiseLower", RES_TYPE_BOOLEAN); |
dbc4e1c1 | 3450 | x_default_parameter (f, parms, Qcursor_type, Qbox, |
333b20bb | 3451 | "cursorType", "CursorType", RES_TYPE_SYMBOL); |
28d7281d GM |
3452 | x_default_parameter (f, parms, Qscroll_bar_width, Qnil, |
3453 | "scrollBarWidth", "ScrollBarWidth", | |
3454 | RES_TYPE_NUMBER); | |
f9942c9e | 3455 | |
be786000 | 3456 | /* Dimensions, especially FRAME_LINES (f), must be done via change_frame_size. |
01f1ba30 | 3457 | Change will not be effected unless different from the current |
be786000 KS |
3458 | FRAME_LINES (f). */ |
3459 | width = FRAME_COLS (f); | |
3460 | height = FRAME_LINES (f); | |
177c0ea7 | 3461 | |
be786000 KS |
3462 | SET_FRAME_COLS (f, 0); |
3463 | FRAME_LINES (f) = 0; | |
8938a4fb | 3464 | change_frame_size (f, height, width, 1, 0, 0); |
d043f1a4 | 3465 | |
488dd4c4 | 3466 | #if defined (USE_X_TOOLKIT) || defined (USE_GTK) |
495fa05e GM |
3467 | /* Create the menu bar. */ |
3468 | if (!minibuffer_only && FRAME_EXTERNAL_MENU_BAR (f)) | |
3469 | { | |
3470 | /* If this signals an error, we haven't set size hints for the | |
3471 | frame and we didn't make it visible. */ | |
3472 | initialize_frame_menubar (f); | |
3473 | ||
488dd4c4 | 3474 | #ifndef USE_GTK |
495fa05e GM |
3475 | /* This is a no-op, except under Motif where it arranges the |
3476 | main window for the widgets on it. */ | |
3477 | lw_set_main_areas (f->output_data.x->column_widget, | |
3478 | f->output_data.x->menubar_widget, | |
3479 | f->output_data.x->edit_widget); | |
488dd4c4 | 3480 | #endif /* not USE_GTK */ |
495fa05e | 3481 | } |
488dd4c4 | 3482 | #endif /* USE_X_TOOLKIT || USE_GTK */ |
495fa05e GM |
3483 | |
3484 | /* Tell the server what size and position, etc, we want, and how | |
3485 | badly we want them. This should be done after we have the menu | |
3486 | bar so that its size can be taken into account. */ | |
01f1ba30 | 3487 | BLOCK_INPUT; |
7989f084 | 3488 | x_wm_set_size_hint (f, window_prompting, 0); |
01f1ba30 JB |
3489 | UNBLOCK_INPUT; |
3490 | ||
495fa05e GM |
3491 | /* Make the window appear on the frame and enable display, unless |
3492 | the caller says not to. However, with explicit parent, Emacs | |
3493 | cannot control visibility, so don't try. */ | |
7556890b | 3494 | if (! f->output_data.x->explicit_parent) |
a59e4f3d RS |
3495 | { |
3496 | Lisp_Object visibility; | |
49795535 | 3497 | |
333b20bb GM |
3498 | visibility = x_get_arg (dpyinfo, parms, Qvisibility, 0, 0, |
3499 | RES_TYPE_SYMBOL); | |
a59e4f3d RS |
3500 | if (EQ (visibility, Qunbound)) |
3501 | visibility = Qt; | |
49795535 | 3502 | |
a59e4f3d RS |
3503 | if (EQ (visibility, Qicon)) |
3504 | x_iconify_frame (f); | |
3505 | else if (! NILP (visibility)) | |
3506 | x_make_frame_visible (f); | |
3507 | else | |
3508 | /* Must have been Qnil. */ | |
3509 | ; | |
3510 | } | |
01f1ba30 | 3511 | |
495fa05e | 3512 | UNGCPRO; |
9e57df62 GM |
3513 | |
3514 | /* Make sure windows on this frame appear in calls to next-window | |
3515 | and similar functions. */ | |
3516 | Vwindow_list = Qnil; | |
177c0ea7 | 3517 | |
9ef48a9d | 3518 | return unbind_to (count, frame); |
01f1ba30 JB |
3519 | } |
3520 | ||
eaf1eea9 | 3521 | |
0d17d282 KH |
3522 | /* FRAME is used only to get a handle on the X display. We don't pass the |
3523 | display info directly because we're called from frame.c, which doesn't | |
3524 | know about that structure. */ | |
e4f79258 | 3525 | |
87498171 | 3526 | Lisp_Object |
0d17d282 KH |
3527 | x_get_focus_frame (frame) |
3528 | struct frame *frame; | |
87498171 | 3529 | { |
0d17d282 | 3530 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (frame); |
87498171 | 3531 | Lisp_Object xfocus; |
0d17d282 | 3532 | if (! dpyinfo->x_focus_frame) |
87498171 KH |
3533 | return Qnil; |
3534 | ||
0d17d282 | 3535 | XSETFRAME (xfocus, dpyinfo->x_focus_frame); |
87498171 KH |
3536 | return xfocus; |
3537 | } | |
f0614854 | 3538 | |
3decc1e7 GM |
3539 | |
3540 | /* In certain situations, when the window manager follows a | |
3541 | click-to-focus policy, there seems to be no way around calling | |
3542 | XSetInputFocus to give another frame the input focus . | |
3543 | ||
3544 | In an ideal world, XSetInputFocus should generally be avoided so | |
3545 | that applications don't interfere with the window manager's focus | |
3546 | policy. But I think it's okay to use when it's clearly done | |
3547 | following a user-command. */ | |
3548 | ||
3549 | DEFUN ("x-focus-frame", Fx_focus_frame, Sx_focus_frame, 1, 1, 0, | |
7ee72033 MB |
3550 | doc: /* Set the input focus to FRAME. |
3551 | FRAME nil means use the selected frame. */) | |
3552 | (frame) | |
3decc1e7 GM |
3553 | Lisp_Object frame; |
3554 | { | |
3555 | struct frame *f = check_x_frame (frame); | |
3556 | Display *dpy = FRAME_X_DISPLAY (f); | |
3557 | int count; | |
3558 | ||
3559 | BLOCK_INPUT; | |
3560 | count = x_catch_errors (dpy); | |
3561 | XSetInputFocus (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
3562 | RevertToParent, CurrentTime); | |
3563 | x_uncatch_errors (dpy, count); | |
3564 | UNBLOCK_INPUT; | |
177c0ea7 | 3565 | |
3decc1e7 GM |
3566 | return Qnil; |
3567 | } | |
3568 | ||
f0614854 | 3569 | \f |
2d764c78 | 3570 | DEFUN ("xw-color-defined-p", Fxw_color_defined_p, Sxw_color_defined_p, 1, 2, 0, |
7ee72033 MB |
3571 | doc: /* Internal function called by `color-defined-p', which see. */) |
3572 | (color, frame) | |
b9dc4443 | 3573 | Lisp_Object color, frame; |
e12d55b2 | 3574 | { |
b9dc4443 RS |
3575 | XColor foo; |
3576 | FRAME_PTR f = check_x_frame (frame); | |
e12d55b2 | 3577 | |
b7826503 | 3578 | CHECK_STRING (color); |
b9dc4443 | 3579 | |
d5db4077 | 3580 | if (x_defined_color (f, SDATA (color), &foo, 0)) |
e12d55b2 RS |
3581 | return Qt; |
3582 | else | |
3583 | return Qnil; | |
3584 | } | |
3585 | ||
2d764c78 | 3586 | DEFUN ("xw-color-values", Fxw_color_values, Sxw_color_values, 1, 2, 0, |
7ee72033 MB |
3587 | doc: /* Internal function called by `color-values', which see. */) |
3588 | (color, frame) | |
b9dc4443 | 3589 | Lisp_Object color, frame; |
01f1ba30 | 3590 | { |
b9dc4443 RS |
3591 | XColor foo; |
3592 | FRAME_PTR f = check_x_frame (frame); | |
3593 | ||
b7826503 | 3594 | CHECK_STRING (color); |
01f1ba30 | 3595 | |
d5db4077 | 3596 | if (x_defined_color (f, SDATA (color), &foo, 0)) |
57c82a63 RS |
3597 | { |
3598 | Lisp_Object rgb[3]; | |
3599 | ||
3600 | rgb[0] = make_number (foo.red); | |
3601 | rgb[1] = make_number (foo.green); | |
3602 | rgb[2] = make_number (foo.blue); | |
3603 | return Flist (3, rgb); | |
3604 | } | |
01f1ba30 JB |
3605 | else |
3606 | return Qnil; | |
3607 | } | |
3608 | ||
2d764c78 | 3609 | DEFUN ("xw-display-color-p", Fxw_display_color_p, Sxw_display_color_p, 0, 1, 0, |
7ee72033 MB |
3610 | doc: /* Internal function called by `display-color-p', which see. */) |
3611 | (display) | |
08a90d6a | 3612 | Lisp_Object display; |
01f1ba30 | 3613 | { |
08a90d6a | 3614 | struct x_display_info *dpyinfo = check_x_display_info (display); |
11ae94fe | 3615 | |
b9dc4443 | 3616 | if (dpyinfo->n_planes <= 2) |
01f1ba30 JB |
3617 | return Qnil; |
3618 | ||
b9dc4443 | 3619 | switch (dpyinfo->visual->class) |
01f1ba30 JB |
3620 | { |
3621 | case StaticColor: | |
3622 | case PseudoColor: | |
3623 | case TrueColor: | |
3624 | case DirectColor: | |
3625 | return Qt; | |
3626 | ||
3627 | default: | |
3628 | return Qnil; | |
3629 | } | |
3630 | } | |
3631 | ||
d0c9d219 | 3632 | DEFUN ("x-display-grayscale-p", Fx_display_grayscale_p, Sx_display_grayscale_p, |
c061c855 | 3633 | 0, 1, 0, |
7ee72033 | 3634 | doc: /* Return t if the X display supports shades of gray. |
c061c855 GM |
3635 | Note that color displays do support shades of gray. |
3636 | The optional argument DISPLAY specifies which display to ask about. | |
3637 | DISPLAY should be either a frame or a display name (a string). | |
7ee72033 MB |
3638 | If omitted or nil, that stands for the selected frame's display. */) |
3639 | (display) | |
08a90d6a | 3640 | Lisp_Object display; |
d0c9d219 | 3641 | { |
08a90d6a | 3642 | struct x_display_info *dpyinfo = check_x_display_info (display); |
d0c9d219 | 3643 | |
ae6b58f9 | 3644 | if (dpyinfo->n_planes <= 1) |
b9dc4443 RS |
3645 | return Qnil; |
3646 | ||
ae6b58f9 RS |
3647 | switch (dpyinfo->visual->class) |
3648 | { | |
3649 | case StaticColor: | |
3650 | case PseudoColor: | |
3651 | case TrueColor: | |
3652 | case DirectColor: | |
3653 | case StaticGray: | |
3654 | case GrayScale: | |
3655 | return Qt; | |
3656 | ||
3657 | default: | |
3658 | return Qnil; | |
3659 | } | |
d0c9d219 RS |
3660 | } |
3661 | ||
41beb8fc | 3662 | DEFUN ("x-display-pixel-width", Fx_display_pixel_width, Sx_display_pixel_width, |
c061c855 | 3663 | 0, 1, 0, |
7ee72033 | 3664 | doc: /* Returns the width in pixels of the X display DISPLAY. |
c061c855 GM |
3665 | The optional argument DISPLAY specifies which display to ask about. |
3666 | DISPLAY should be either a frame or a display name (a string). | |
7ee72033 MB |
3667 | If omitted or nil, that stands for the selected frame's display. */) |
3668 | (display) | |
08a90d6a | 3669 | Lisp_Object display; |
41beb8fc | 3670 | { |
08a90d6a | 3671 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
3672 | |
3673 | return make_number (dpyinfo->width); | |
41beb8fc RS |
3674 | } |
3675 | ||
3676 | DEFUN ("x-display-pixel-height", Fx_display_pixel_height, | |
c061c855 | 3677 | Sx_display_pixel_height, 0, 1, 0, |
7ee72033 | 3678 | doc: /* Returns the height in pixels of the X display DISPLAY. |
c061c855 GM |
3679 | The optional argument DISPLAY specifies which display to ask about. |
3680 | DISPLAY should be either a frame or a display name (a string). | |
7ee72033 MB |
3681 | If omitted or nil, that stands for the selected frame's display. */) |
3682 | (display) | |
08a90d6a | 3683 | Lisp_Object display; |
41beb8fc | 3684 | { |
08a90d6a | 3685 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
3686 | |
3687 | return make_number (dpyinfo->height); | |
41beb8fc RS |
3688 | } |
3689 | ||
3690 | DEFUN ("x-display-planes", Fx_display_planes, Sx_display_planes, | |
c061c855 | 3691 | 0, 1, 0, |
7ee72033 | 3692 | doc: /* Returns the number of bitplanes of the X display DISPLAY. |
c061c855 GM |
3693 | The optional argument DISPLAY specifies which display to ask about. |
3694 | DISPLAY should be either a frame or a display name (a string). | |
7ee72033 MB |
3695 | If omitted or nil, that stands for the selected frame's display. */) |
3696 | (display) | |
08a90d6a | 3697 | Lisp_Object display; |
41beb8fc | 3698 | { |
08a90d6a | 3699 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
3700 | |
3701 | return make_number (dpyinfo->n_planes); | |
41beb8fc RS |
3702 | } |
3703 | ||
3704 | DEFUN ("x-display-color-cells", Fx_display_color_cells, Sx_display_color_cells, | |
c061c855 | 3705 | 0, 1, 0, |
7ee72033 | 3706 | doc: /* Returns the number of color cells of the X display DISPLAY. |
c061c855 GM |
3707 | The optional argument DISPLAY specifies which display to ask about. |
3708 | DISPLAY should be either a frame or a display name (a string). | |
7ee72033 MB |
3709 | If omitted or nil, that stands for the selected frame's display. */) |
3710 | (display) | |
08a90d6a | 3711 | Lisp_Object display; |
41beb8fc | 3712 | { |
08a90d6a | 3713 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
3714 | |
3715 | return make_number (DisplayCells (dpyinfo->display, | |
3716 | XScreenNumberOfScreen (dpyinfo->screen))); | |
41beb8fc RS |
3717 | } |
3718 | ||
9d317b2c RS |
3719 | DEFUN ("x-server-max-request-size", Fx_server_max_request_size, |
3720 | Sx_server_max_request_size, | |
c061c855 | 3721 | 0, 1, 0, |
7ee72033 | 3722 | doc: /* Returns the maximum request size of the X server of display DISPLAY. |
c061c855 GM |
3723 | The optional argument DISPLAY specifies which display to ask about. |
3724 | DISPLAY should be either a frame or a display name (a string). | |
7ee72033 MB |
3725 | If omitted or nil, that stands for the selected frame's display. */) |
3726 | (display) | |
08a90d6a | 3727 | Lisp_Object display; |
9d317b2c | 3728 | { |
08a90d6a | 3729 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
3730 | |
3731 | return make_number (MAXREQUEST (dpyinfo->display)); | |
9d317b2c RS |
3732 | } |
3733 | ||
41beb8fc | 3734 | DEFUN ("x-server-vendor", Fx_server_vendor, Sx_server_vendor, 0, 1, 0, |
7ee72033 | 3735 | doc: /* Returns the vendor ID string of the X server of display DISPLAY. |
c061c855 GM |
3736 | The optional argument DISPLAY specifies which display to ask about. |
3737 | DISPLAY should be either a frame or a display name (a string). | |
7ee72033 MB |
3738 | If omitted or nil, that stands for the selected frame's display. */) |
3739 | (display) | |
08a90d6a | 3740 | Lisp_Object display; |
41beb8fc | 3741 | { |
08a90d6a | 3742 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
3743 | char *vendor = ServerVendor (dpyinfo->display); |
3744 | ||
41beb8fc RS |
3745 | if (! vendor) vendor = ""; |
3746 | return build_string (vendor); | |
3747 | } | |
3748 | ||
3749 | DEFUN ("x-server-version", Fx_server_version, Sx_server_version, 0, 1, 0, | |
7ee72033 | 3750 | doc: /* Returns the version numbers of the X server of display DISPLAY. |
c061c855 GM |
3751 | The value is a list of three integers: the major and minor |
3752 | version numbers of the X Protocol in use, and the vendor-specific release | |
3753 | number. See also the function `x-server-vendor'. | |
3754 | ||
3755 | The optional argument DISPLAY specifies which display to ask about. | |
3756 | DISPLAY should be either a frame or a display name (a string). | |
7ee72033 MB |
3757 | If omitted or nil, that stands for the selected frame's display. */) |
3758 | (display) | |
08a90d6a | 3759 | Lisp_Object display; |
41beb8fc | 3760 | { |
08a90d6a | 3761 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 | 3762 | Display *dpy = dpyinfo->display; |
11ae94fe | 3763 | |
41beb8fc RS |
3764 | return Fcons (make_number (ProtocolVersion (dpy)), |
3765 | Fcons (make_number (ProtocolRevision (dpy)), | |
3766 | Fcons (make_number (VendorRelease (dpy)), Qnil))); | |
3767 | } | |
3768 | ||
3769 | DEFUN ("x-display-screens", Fx_display_screens, Sx_display_screens, 0, 1, 0, | |
7ee72033 | 3770 | doc: /* Return the number of screens on the X server of display DISPLAY. |
c061c855 GM |
3771 | The optional argument DISPLAY specifies which display to ask about. |
3772 | DISPLAY should be either a frame or a display name (a string). | |
7ee72033 MB |
3773 | If omitted or nil, that stands for the selected frame's display. */) |
3774 | (display) | |
08a90d6a | 3775 | Lisp_Object display; |
41beb8fc | 3776 | { |
08a90d6a | 3777 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
3778 | |
3779 | return make_number (ScreenCount (dpyinfo->display)); | |
41beb8fc RS |
3780 | } |
3781 | ||
3782 | DEFUN ("x-display-mm-height", Fx_display_mm_height, Sx_display_mm_height, 0, 1, 0, | |
7ee72033 | 3783 | doc: /* Return the height in millimeters of the X display DISPLAY. |
c061c855 GM |
3784 | The optional argument DISPLAY specifies which display to ask about. |
3785 | DISPLAY should be either a frame or a display name (a string). | |
7ee72033 MB |
3786 | If omitted or nil, that stands for the selected frame's display. */) |
3787 | (display) | |
08a90d6a | 3788 | Lisp_Object display; |
41beb8fc | 3789 | { |
08a90d6a | 3790 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
3791 | |
3792 | return make_number (HeightMMOfScreen (dpyinfo->screen)); | |
41beb8fc RS |
3793 | } |
3794 | ||
3795 | DEFUN ("x-display-mm-width", Fx_display_mm_width, Sx_display_mm_width, 0, 1, 0, | |
7ee72033 | 3796 | doc: /* Return the width in millimeters of the X display DISPLAY. |
c061c855 GM |
3797 | The optional argument DISPLAY specifies which display to ask about. |
3798 | DISPLAY should be either a frame or a display name (a string). | |
7ee72033 MB |
3799 | If omitted or nil, that stands for the selected frame's display. */) |
3800 | (display) | |
08a90d6a | 3801 | Lisp_Object display; |
41beb8fc | 3802 | { |
08a90d6a | 3803 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
3804 | |
3805 | return make_number (WidthMMOfScreen (dpyinfo->screen)); | |
41beb8fc RS |
3806 | } |
3807 | ||
3808 | DEFUN ("x-display-backing-store", Fx_display_backing_store, | |
c061c855 | 3809 | Sx_display_backing_store, 0, 1, 0, |
7ee72033 | 3810 | doc: /* Returns an indication of whether X display DISPLAY does backing store. |
c061c855 GM |
3811 | The value may be `always', `when-mapped', or `not-useful'. |
3812 | The optional argument DISPLAY specifies which display to ask about. | |
3813 | DISPLAY should be either a frame or a display name (a string). | |
7ee72033 MB |
3814 | If omitted or nil, that stands for the selected frame's display. */) |
3815 | (display) | |
08a90d6a | 3816 | Lisp_Object display; |
41beb8fc | 3817 | { |
08a90d6a | 3818 | struct x_display_info *dpyinfo = check_x_display_info (display); |
8ec8a5ec | 3819 | Lisp_Object result; |
11ae94fe | 3820 | |
b9dc4443 | 3821 | switch (DoesBackingStore (dpyinfo->screen)) |
41beb8fc RS |
3822 | { |
3823 | case Always: | |
8ec8a5ec GM |
3824 | result = intern ("always"); |
3825 | break; | |
41beb8fc RS |
3826 | |
3827 | case WhenMapped: | |
8ec8a5ec GM |
3828 | result = intern ("when-mapped"); |
3829 | break; | |
41beb8fc RS |
3830 | |
3831 | case NotUseful: | |
8ec8a5ec GM |
3832 | result = intern ("not-useful"); |
3833 | break; | |
41beb8fc RS |
3834 | |
3835 | default: | |
3836 | error ("Strange value for BackingStore parameter of screen"); | |
8ec8a5ec | 3837 | result = Qnil; |
41beb8fc | 3838 | } |
8ec8a5ec GM |
3839 | |
3840 | return result; | |
41beb8fc RS |
3841 | } |
3842 | ||
3843 | DEFUN ("x-display-visual-class", Fx_display_visual_class, | |
c061c855 | 3844 | Sx_display_visual_class, 0, 1, 0, |
7ee72033 | 3845 | doc: /* Return the visual class of the X display DISPLAY. |
c061c855 GM |
3846 | The value is one of the symbols `static-gray', `gray-scale', |
3847 | `static-color', `pseudo-color', `true-color', or `direct-color'. | |
3848 | ||
3849 | The optional argument DISPLAY specifies which display to ask about. | |
3850 | DISPLAY should be either a frame or a display name (a string). | |
7ee72033 MB |
3851 | If omitted or nil, that stands for the selected frame's display. */) |
3852 | (display) | |
08a90d6a | 3853 | Lisp_Object display; |
41beb8fc | 3854 | { |
08a90d6a | 3855 | struct x_display_info *dpyinfo = check_x_display_info (display); |
8ec8a5ec | 3856 | Lisp_Object result; |
11ae94fe | 3857 | |
b9dc4443 | 3858 | switch (dpyinfo->visual->class) |
41beb8fc | 3859 | { |
8ec8a5ec GM |
3860 | case StaticGray: |
3861 | result = intern ("static-gray"); | |
3862 | break; | |
3863 | case GrayScale: | |
3864 | result = intern ("gray-scale"); | |
3865 | break; | |
3866 | case StaticColor: | |
3867 | result = intern ("static-color"); | |
3868 | break; | |
3869 | case PseudoColor: | |
3870 | result = intern ("pseudo-color"); | |
3871 | break; | |
3872 | case TrueColor: | |
3873 | result = intern ("true-color"); | |
3874 | break; | |
3875 | case DirectColor: | |
3876 | result = intern ("direct-color"); | |
3877 | break; | |
41beb8fc RS |
3878 | default: |
3879 | error ("Display has an unknown visual class"); | |
8ec8a5ec | 3880 | result = Qnil; |
41beb8fc | 3881 | } |
177c0ea7 | 3882 | |
8ec8a5ec | 3883 | return result; |
41beb8fc RS |
3884 | } |
3885 | ||
3886 | DEFUN ("x-display-save-under", Fx_display_save_under, | |
c061c855 | 3887 | Sx_display_save_under, 0, 1, 0, |
7ee72033 | 3888 | doc: /* Returns t if the X display DISPLAY supports the save-under feature. |
c061c855 GM |
3889 | The optional argument DISPLAY specifies which display to ask about. |
3890 | DISPLAY should be either a frame or a display name (a string). | |
7ee72033 MB |
3891 | If omitted or nil, that stands for the selected frame's display. */) |
3892 | (display) | |
08a90d6a | 3893 | Lisp_Object display; |
41beb8fc | 3894 | { |
08a90d6a | 3895 | struct x_display_info *dpyinfo = check_x_display_info (display); |
11ae94fe | 3896 | |
b9dc4443 | 3897 | if (DoesSaveUnders (dpyinfo->screen) == True) |
41beb8fc RS |
3898 | return Qt; |
3899 | else | |
3900 | return Qnil; | |
3901 | } | |
3902 | \f | |
b9dc4443 | 3903 | int |
55caf99c RS |
3904 | x_pixel_width (f) |
3905 | register struct frame *f; | |
01f1ba30 | 3906 | { |
be786000 | 3907 | return FRAME_PIXEL_WIDTH (f); |
01f1ba30 JB |
3908 | } |
3909 | ||
b9dc4443 | 3910 | int |
55caf99c RS |
3911 | x_pixel_height (f) |
3912 | register struct frame *f; | |
01f1ba30 | 3913 | { |
be786000 | 3914 | return FRAME_PIXEL_HEIGHT (f); |
55caf99c RS |
3915 | } |
3916 | ||
b9dc4443 | 3917 | int |
55caf99c RS |
3918 | x_char_width (f) |
3919 | register struct frame *f; | |
3920 | { | |
be786000 | 3921 | return FRAME_COLUMN_WIDTH (f); |
55caf99c RS |
3922 | } |
3923 | ||
b9dc4443 | 3924 | int |
55caf99c RS |
3925 | x_char_height (f) |
3926 | register struct frame *f; | |
3927 | { | |
be786000 | 3928 | return FRAME_LINE_HEIGHT (f); |
01f1ba30 | 3929 | } |
b9dc4443 RS |
3930 | |
3931 | int | |
f03f2489 RS |
3932 | x_screen_planes (f) |
3933 | register struct frame *f; | |
b9dc4443 | 3934 | { |
f03f2489 | 3935 | return FRAME_X_DISPLAY_INFO (f)->n_planes; |
b9dc4443 | 3936 | } |
01f1ba30 | 3937 | |
a6ad00c0 GM |
3938 | |
3939 | \f | |
3940 | /************************************************************************ | |
3941 | X Displays | |
3942 | ************************************************************************/ | |
3943 | ||
01f1ba30 | 3944 | \f |
a6ad00c0 GM |
3945 | /* Mapping visual names to visuals. */ |
3946 | ||
3947 | static struct visual_class | |
3948 | { | |
3949 | char *name; | |
3950 | int class; | |
3951 | } | |
3952 | visual_classes[] = | |
3953 | { | |
3954 | {"StaticGray", StaticGray}, | |
3955 | {"GrayScale", GrayScale}, | |
3956 | {"StaticColor", StaticColor}, | |
3957 | {"PseudoColor", PseudoColor}, | |
3958 | {"TrueColor", TrueColor}, | |
3959 | {"DirectColor", DirectColor}, | |
9908a324 | 3960 | {NULL, 0} |
a6ad00c0 GM |
3961 | }; |
3962 | ||
3963 | ||
404daac1 | 3964 | #ifndef HAVE_XSCREENNUMBEROFSCREEN |
a6ad00c0 GM |
3965 | |
3966 | /* Value is the screen number of screen SCR. This is a substitute for | |
3967 | the X function with the same name when that doesn't exist. */ | |
3968 | ||
404daac1 RS |
3969 | int |
3970 | XScreenNumberOfScreen (scr) | |
3971 | register Screen *scr; | |
3972 | { | |
a6ad00c0 GM |
3973 | Display *dpy = scr->display; |
3974 | int i; | |
3df34fdb | 3975 | |
a6ad00c0 | 3976 | for (i = 0; i < dpy->nscreens; ++i) |
fbd5ceb2 | 3977 | if (scr == dpy->screens + i) |
a6ad00c0 | 3978 | break; |
404daac1 | 3979 | |
a6ad00c0 | 3980 | return i; |
404daac1 | 3981 | } |
a6ad00c0 | 3982 | |
404daac1 RS |
3983 | #endif /* not HAVE_XSCREENNUMBEROFSCREEN */ |
3984 | ||
01f1ba30 | 3985 | |
a6ad00c0 GM |
3986 | /* Select the visual that should be used on display DPYINFO. Set |
3987 | members of DPYINFO appropriately. Called from x_term_init. */ | |
fe24a618 | 3988 | |
a6ad00c0 GM |
3989 | void |
3990 | select_visual (dpyinfo) | |
3991 | struct x_display_info *dpyinfo; | |
3992 | { | |
3993 | Display *dpy = dpyinfo->display; | |
3994 | Screen *screen = dpyinfo->screen; | |
3995 | Lisp_Object value; | |
fe24a618 | 3996 | |
a6ad00c0 GM |
3997 | /* See if a visual is specified. */ |
3998 | value = display_x_get_resource (dpyinfo, | |
3999 | build_string ("visualClass"), | |
4000 | build_string ("VisualClass"), | |
4001 | Qnil, Qnil); | |
4002 | if (STRINGP (value)) | |
4003 | { | |
4004 | /* VALUE should be of the form CLASS-DEPTH, where CLASS is one | |
4005 | of `PseudoColor', `TrueColor' etc. and DEPTH is the color | |
4006 | depth, a decimal number. NAME is compared with case ignored. */ | |
d5db4077 | 4007 | char *s = (char *) alloca (SBYTES (value) + 1); |
a6ad00c0 GM |
4008 | char *dash; |
4009 | int i, class = -1; | |
4010 | XVisualInfo vinfo; | |
4011 | ||
d5db4077 | 4012 | strcpy (s, SDATA (value)); |
a6ad00c0 GM |
4013 | dash = index (s, '-'); |
4014 | if (dash) | |
4015 | { | |
4016 | dpyinfo->n_planes = atoi (dash + 1); | |
4017 | *dash = '\0'; | |
4018 | } | |
4019 | else | |
4020 | /* We won't find a matching visual with depth 0, so that | |
4021 | an error will be printed below. */ | |
4022 | dpyinfo->n_planes = 0; | |
f0614854 | 4023 | |
a6ad00c0 GM |
4024 | /* Determine the visual class. */ |
4025 | for (i = 0; visual_classes[i].name; ++i) | |
4026 | if (xstricmp (s, visual_classes[i].name) == 0) | |
4027 | { | |
4028 | class = visual_classes[i].class; | |
4029 | break; | |
4030 | } | |
01f1ba30 | 4031 | |
a6ad00c0 GM |
4032 | /* Look up a matching visual for the specified class. */ |
4033 | if (class == -1 | |
4034 | || !XMatchVisualInfo (dpy, XScreenNumberOfScreen (screen), | |
4035 | dpyinfo->n_planes, class, &vinfo)) | |
d5db4077 | 4036 | fatal ("Invalid visual specification `%s'", SDATA (value)); |
177c0ea7 | 4037 | |
a6ad00c0 GM |
4038 | dpyinfo->visual = vinfo.visual; |
4039 | } | |
01f1ba30 JB |
4040 | else |
4041 | { | |
a6ad00c0 GM |
4042 | int n_visuals; |
4043 | XVisualInfo *vinfo, vinfo_template; | |
177c0ea7 | 4044 | |
a6ad00c0 GM |
4045 | dpyinfo->visual = DefaultVisualOfScreen (screen); |
4046 | ||
4047 | #ifdef HAVE_X11R4 | |
4048 | vinfo_template.visualid = XVisualIDFromVisual (dpyinfo->visual); | |
4049 | #else | |
4050 | vinfo_template.visualid = dpyinfo->visual->visualid; | |
4051 | #endif | |
4052 | vinfo_template.screen = XScreenNumberOfScreen (screen); | |
4053 | vinfo = XGetVisualInfo (dpy, VisualIDMask | VisualScreenMask, | |
4054 | &vinfo_template, &n_visuals); | |
4055 | if (n_visuals != 1) | |
4056 | fatal ("Can't get proper X visual info"); | |
4057 | ||
94ac875b | 4058 | dpyinfo->n_planes = vinfo->depth; |
a6ad00c0 GM |
4059 | XFree ((char *) vinfo); |
4060 | } | |
01f1ba30 | 4061 | } |
01f1ba30 | 4062 | |
a6ad00c0 | 4063 | |
b9dc4443 RS |
4064 | /* Return the X display structure for the display named NAME. |
4065 | Open a new connection if necessary. */ | |
4066 | ||
4067 | struct x_display_info * | |
4068 | x_display_info_for_name (name) | |
4069 | Lisp_Object name; | |
4070 | { | |
08a90d6a | 4071 | Lisp_Object names; |
b9dc4443 RS |
4072 | struct x_display_info *dpyinfo; |
4073 | ||
b7826503 | 4074 | CHECK_STRING (name); |
b9dc4443 | 4075 | |
806048df RS |
4076 | if (! EQ (Vwindow_system, intern ("x"))) |
4077 | error ("Not using X Windows"); | |
4078 | ||
08a90d6a RS |
4079 | for (dpyinfo = x_display_list, names = x_display_name_list; |
4080 | dpyinfo; | |
8e713be6 | 4081 | dpyinfo = dpyinfo->next, names = XCDR (names)) |
b9dc4443 RS |
4082 | { |
4083 | Lisp_Object tem; | |
8e713be6 | 4084 | tem = Fstring_equal (XCAR (XCAR (names)), name); |
08a90d6a | 4085 | if (!NILP (tem)) |
b9dc4443 RS |
4086 | return dpyinfo; |
4087 | } | |
4088 | ||
b7975ee4 KH |
4089 | /* Use this general default value to start with. */ |
4090 | Vx_resource_name = Vinvocation_name; | |
4091 | ||
b9dc4443 RS |
4092 | validate_x_resource_name (); |
4093 | ||
9b207e8e | 4094 | dpyinfo = x_term_init (name, (char *)0, |
d5db4077 | 4095 | (char *) SDATA (Vx_resource_name)); |
b9dc4443 | 4096 | |
08a90d6a | 4097 | if (dpyinfo == 0) |
d5db4077 | 4098 | error ("Cannot connect to X server %s", SDATA (name)); |
08a90d6a | 4099 | |
b9dc4443 RS |
4100 | x_in_use = 1; |
4101 | XSETFASTINT (Vwindow_system_version, 11); | |
4102 | ||
4103 | return dpyinfo; | |
4104 | } | |
4105 | ||
a6ad00c0 | 4106 | |
01f1ba30 | 4107 | DEFUN ("x-open-connection", Fx_open_connection, Sx_open_connection, |
c061c855 | 4108 | 1, 3, 0, |
7ee72033 | 4109 | doc: /* Open a connection to an X server. |
c061c855 GM |
4110 | DISPLAY is the name of the display to connect to. |
4111 | Optional second arg XRM-STRING is a string of resources in xrdb format. | |
4112 | If the optional third arg MUST-SUCCEED is non-nil, | |
7ee72033 MB |
4113 | terminate Emacs if we can't open the connection. */) |
4114 | (display, xrm_string, must_succeed) | |
08a90d6a | 4115 | Lisp_Object display, xrm_string, must_succeed; |
01f1ba30 | 4116 | { |
01f1ba30 | 4117 | unsigned char *xrm_option; |
b9dc4443 | 4118 | struct x_display_info *dpyinfo; |
01f1ba30 | 4119 | |
b7826503 | 4120 | CHECK_STRING (display); |
d387c960 | 4121 | if (! NILP (xrm_string)) |
b7826503 | 4122 | CHECK_STRING (xrm_string); |
01f1ba30 | 4123 | |
806048df RS |
4124 | if (! EQ (Vwindow_system, intern ("x"))) |
4125 | error ("Not using X Windows"); | |
4126 | ||
d387c960 | 4127 | if (! NILP (xrm_string)) |
d5db4077 | 4128 | xrm_option = (unsigned char *) SDATA (xrm_string); |
01f1ba30 JB |
4129 | else |
4130 | xrm_option = (unsigned char *) 0; | |
d387c960 JB |
4131 | |
4132 | validate_x_resource_name (); | |
4133 | ||
e1b1bee8 | 4134 | /* This is what opens the connection and sets x_current_display. |
b9dc4443 RS |
4135 | This also initializes many symbols, such as those used for input. */ |
4136 | dpyinfo = x_term_init (display, xrm_option, | |
d5db4077 | 4137 | (char *) SDATA (Vx_resource_name)); |
f1c16f36 | 4138 | |
08a90d6a RS |
4139 | if (dpyinfo == 0) |
4140 | { | |
4141 | if (!NILP (must_succeed)) | |
10ffbc14 GM |
4142 | fatal ("Cannot connect to X server %s.\n\ |
4143 | Check the DISPLAY environment variable or use `-d'.\n\ | |
842a9389 JB |
4144 | Also use the `xauth' program to verify that you have the proper\n\ |
4145 | authorization information needed to connect the X server.\n\ | |
bf770132 | 4146 | An insecure way to solve the problem may be to use `xhost'.\n", |
d5db4077 | 4147 | SDATA (display)); |
08a90d6a | 4148 | else |
d5db4077 | 4149 | error ("Cannot connect to X server %s", SDATA (display)); |
08a90d6a RS |
4150 | } |
4151 | ||
b9dc4443 | 4152 | x_in_use = 1; |
01f1ba30 | 4153 | |
b9dc4443 | 4154 | XSETFASTINT (Vwindow_system_version, 11); |
01f1ba30 JB |
4155 | return Qnil; |
4156 | } | |
4157 | ||
08a90d6a RS |
4158 | DEFUN ("x-close-connection", Fx_close_connection, |
4159 | Sx_close_connection, 1, 1, 0, | |
7ee72033 | 4160 | doc: /* Close the connection to DISPLAY's X server. |
c061c855 | 4161 | For DISPLAY, specify either a frame or a display name (a string). |
7ee72033 MB |
4162 | If DISPLAY is nil, that stands for the selected frame's display. */) |
4163 | (display) | |
c061c855 | 4164 | Lisp_Object display; |
01f1ba30 | 4165 | { |
08a90d6a | 4166 | struct x_display_info *dpyinfo = check_x_display_info (display); |
08a90d6a | 4167 | int i; |
3457bc6e | 4168 | |
08a90d6a RS |
4169 | if (dpyinfo->reference_count > 0) |
4170 | error ("Display still has frames on it"); | |
01f1ba30 | 4171 | |
08a90d6a RS |
4172 | BLOCK_INPUT; |
4173 | /* Free the fonts in the font table. */ | |
4174 | for (i = 0; i < dpyinfo->n_fonts; i++) | |
333b20bb GM |
4175 | if (dpyinfo->font_table[i].name) |
4176 | { | |
6ecb43ce KH |
4177 | if (dpyinfo->font_table[i].name != dpyinfo->font_table[i].full_name) |
4178 | xfree (dpyinfo->font_table[i].full_name); | |
333b20bb | 4179 | xfree (dpyinfo->font_table[i].name); |
333b20bb GM |
4180 | XFreeFont (dpyinfo->display, dpyinfo->font_table[i].font); |
4181 | } | |
4182 | ||
08a90d6a RS |
4183 | x_destroy_all_bitmaps (dpyinfo); |
4184 | XSetCloseDownMode (dpyinfo->display, DestroyAll); | |
82c90203 RS |
4185 | |
4186 | #ifdef USE_X_TOOLKIT | |
4187 | XtCloseDisplay (dpyinfo->display); | |
4188 | #else | |
08a90d6a | 4189 | XCloseDisplay (dpyinfo->display); |
82c90203 | 4190 | #endif |
08a90d6a RS |
4191 | |
4192 | x_delete_display (dpyinfo); | |
4193 | UNBLOCK_INPUT; | |
3457bc6e | 4194 | |
01f1ba30 JB |
4195 | return Qnil; |
4196 | } | |
4197 | ||
08a90d6a | 4198 | DEFUN ("x-display-list", Fx_display_list, Sx_display_list, 0, 0, 0, |
7ee72033 MB |
4199 | doc: /* Return the list of display names that Emacs has connections to. */) |
4200 | () | |
08a90d6a RS |
4201 | { |
4202 | Lisp_Object tail, result; | |
4203 | ||
4204 | result = Qnil; | |
8e713be6 KR |
4205 | for (tail = x_display_name_list; ! NILP (tail); tail = XCDR (tail)) |
4206 | result = Fcons (XCAR (XCAR (tail)), result); | |
08a90d6a RS |
4207 | |
4208 | return result; | |
4209 | } | |
4210 | ||
4211 | DEFUN ("x-synchronize", Fx_synchronize, Sx_synchronize, 1, 2, 0, | |
7ee72033 | 4212 | doc: /* If ON is non-nil, report X errors as soon as the erring request is made. |
c061c855 GM |
4213 | If ON is nil, allow buffering of requests. |
4214 | Turning on synchronization prohibits the Xlib routines from buffering | |
4215 | requests and seriously degrades performance, but makes debugging much | |
4216 | easier. | |
4217 | The optional second argument DISPLAY specifies which display to act on. | |
4218 | DISPLAY should be either a frame or a display name (a string). | |
7ee72033 MB |
4219 | If DISPLAY is omitted or nil, that stands for the selected frame's display. */) |
4220 | (on, display) | |
08a90d6a | 4221 | Lisp_Object display, on; |
01f1ba30 | 4222 | { |
08a90d6a | 4223 | struct x_display_info *dpyinfo = check_x_display_info (display); |
11ae94fe | 4224 | |
b9dc4443 | 4225 | XSynchronize (dpyinfo->display, !EQ (on, Qnil)); |
01f1ba30 JB |
4226 | |
4227 | return Qnil; | |
4228 | } | |
4229 | ||
b9dc4443 | 4230 | /* Wait for responses to all X commands issued so far for frame F. */ |
6b7b1820 RS |
4231 | |
4232 | void | |
b9dc4443 RS |
4233 | x_sync (f) |
4234 | FRAME_PTR f; | |
6b7b1820 | 4235 | { |
4e87f4d2 | 4236 | BLOCK_INPUT; |
b9dc4443 | 4237 | XSync (FRAME_X_DISPLAY (f), False); |
4e87f4d2 | 4238 | UNBLOCK_INPUT; |
6b7b1820 | 4239 | } |
333b20bb | 4240 | |
01f1ba30 | 4241 | \f |
333b20bb GM |
4242 | /*********************************************************************** |
4243 | Image types | |
4244 | ***********************************************************************/ | |
f1c16f36 | 4245 | |
333b20bb GM |
4246 | /* Value is the number of elements of vector VECTOR. */ |
4247 | ||
4248 | #define DIM(VECTOR) (sizeof (VECTOR) / sizeof *(VECTOR)) | |
4249 | ||
4250 | /* List of supported image types. Use define_image_type to add new | |
4251 | types. Use lookup_image_type to find a type for a given symbol. */ | |
4252 | ||
4253 | static struct image_type *image_types; | |
4254 | ||
333b20bb GM |
4255 | /* The symbol `image' which is the car of the lists used to represent |
4256 | images in Lisp. */ | |
4257 | ||
4258 | extern Lisp_Object Qimage; | |
4259 | ||
4260 | /* The symbol `xbm' which is used as the type symbol for XBM images. */ | |
4261 | ||
4262 | Lisp_Object Qxbm; | |
4263 | ||
4264 | /* Keywords. */ | |
4265 | ||
0fe92f72 | 4266 | extern Lisp_Object QCwidth, QCheight, QCforeground, QCbackground, QCfile; |
77814035 KS |
4267 | extern Lisp_Object QCdata, QCtype; |
4268 | Lisp_Object QCascent, QCmargin, QCrelief; | |
d2dc8167 | 4269 | Lisp_Object QCconversion, QCcolor_symbols, QCheuristic_mask; |
4a8e312c | 4270 | Lisp_Object QCindex, QCmatrix, QCcolor_adjustment, QCmask; |
333b20bb GM |
4271 | |
4272 | /* Other symbols. */ | |
4273 | ||
4a8e312c | 4274 | Lisp_Object Qlaplace, Qemboss, Qedge_detection, Qheuristic; |
333b20bb GM |
4275 | |
4276 | /* Time in seconds after which images should be removed from the cache | |
4277 | if not displayed. */ | |
4278 | ||
fcf431dc | 4279 | Lisp_Object Vimage_cache_eviction_delay; |
333b20bb GM |
4280 | |
4281 | /* Function prototypes. */ | |
4282 | ||
4283 | static void define_image_type P_ ((struct image_type *type)); | |
4284 | static struct image_type *lookup_image_type P_ ((Lisp_Object symbol)); | |
4285 | static void image_error P_ ((char *format, Lisp_Object, Lisp_Object)); | |
4286 | static void x_laplace P_ ((struct frame *, struct image *)); | |
4a8e312c | 4287 | static void x_emboss P_ ((struct frame *, struct image *)); |
45158a91 GM |
4288 | static int x_build_heuristic_mask P_ ((struct frame *, struct image *, |
4289 | Lisp_Object)); | |
333b20bb GM |
4290 | |
4291 | ||
4292 | /* Define a new image type from TYPE. This adds a copy of TYPE to | |
4293 | image_types and adds the symbol *TYPE->type to Vimage_types. */ | |
4294 | ||
4295 | static void | |
4296 | define_image_type (type) | |
4297 | struct image_type *type; | |
4298 | { | |
4299 | /* Make a copy of TYPE to avoid a bus error in a dumped Emacs. | |
4300 | The initialized data segment is read-only. */ | |
4301 | struct image_type *p = (struct image_type *) xmalloc (sizeof *p); | |
4302 | bcopy (type, p, sizeof *p); | |
4303 | p->next = image_types; | |
4304 | image_types = p; | |
4305 | Vimage_types = Fcons (*p->type, Vimage_types); | |
4306 | } | |
4307 | ||
4308 | ||
4309 | /* Look up image type SYMBOL, and return a pointer to its image_type | |
4310 | structure. Value is null if SYMBOL is not a known image type. */ | |
4311 | ||
4312 | static INLINE struct image_type * | |
4313 | lookup_image_type (symbol) | |
4314 | Lisp_Object symbol; | |
4315 | { | |
4316 | struct image_type *type; | |
4317 | ||
4318 | for (type = image_types; type; type = type->next) | |
4319 | if (EQ (symbol, *type->type)) | |
4320 | break; | |
4321 | ||
4322 | return type; | |
4323 | } | |
4324 | ||
4325 | ||
4326 | /* Value is non-zero if OBJECT is a valid Lisp image specification. A | |
4327 | valid image specification is a list whose car is the symbol | |
4328 | `image', and whose rest is a property list. The property list must | |
4329 | contain a value for key `:type'. That value must be the name of a | |
4330 | supported image type. The rest of the property list depends on the | |
4331 | image type. */ | |
4332 | ||
4333 | int | |
4334 | valid_image_p (object) | |
4335 | Lisp_Object object; | |
4336 | { | |
4337 | int valid_p = 0; | |
177c0ea7 | 4338 | |
333b20bb GM |
4339 | if (CONSP (object) && EQ (XCAR (object), Qimage)) |
4340 | { | |
1783ffa2 GM |
4341 | Lisp_Object tem; |
4342 | ||
4343 | for (tem = XCDR (object); CONSP (tem); tem = XCDR (tem)) | |
4344 | if (EQ (XCAR (tem), QCtype)) | |
4345 | { | |
4346 | tem = XCDR (tem); | |
4347 | if (CONSP (tem) && SYMBOLP (XCAR (tem))) | |
4348 | { | |
4349 | struct image_type *type; | |
4350 | type = lookup_image_type (XCAR (tem)); | |
4351 | if (type) | |
4352 | valid_p = type->valid_p (object); | |
4353 | } | |
177c0ea7 | 4354 | |
1783ffa2 GM |
4355 | break; |
4356 | } | |
333b20bb GM |
4357 | } |
4358 | ||
4359 | return valid_p; | |
4360 | } | |
4361 | ||
4362 | ||
7ab1745f GM |
4363 | /* Log error message with format string FORMAT and argument ARG. |
4364 | Signaling an error, e.g. when an image cannot be loaded, is not a | |
4365 | good idea because this would interrupt redisplay, and the error | |
4366 | message display would lead to another redisplay. This function | |
4367 | therefore simply displays a message. */ | |
333b20bb GM |
4368 | |
4369 | static void | |
4370 | image_error (format, arg1, arg2) | |
4371 | char *format; | |
4372 | Lisp_Object arg1, arg2; | |
4373 | { | |
7ab1745f | 4374 | add_to_log (format, arg1, arg2); |
333b20bb GM |
4375 | } |
4376 | ||
4377 | ||
4378 | \f | |
4379 | /*********************************************************************** | |
4380 | Image specifications | |
4381 | ***********************************************************************/ | |
4382 | ||
4383 | enum image_value_type | |
4384 | { | |
4385 | IMAGE_DONT_CHECK_VALUE_TYPE, | |
4386 | IMAGE_STRING_VALUE, | |
6f1be3b9 | 4387 | IMAGE_STRING_OR_NIL_VALUE, |
333b20bb GM |
4388 | IMAGE_SYMBOL_VALUE, |
4389 | IMAGE_POSITIVE_INTEGER_VALUE, | |
3ed61e75 | 4390 | IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, |
333b20bb | 4391 | IMAGE_NON_NEGATIVE_INTEGER_VALUE, |
7c7ff7f5 | 4392 | IMAGE_ASCENT_VALUE, |
333b20bb GM |
4393 | IMAGE_INTEGER_VALUE, |
4394 | IMAGE_FUNCTION_VALUE, | |
4395 | IMAGE_NUMBER_VALUE, | |
4396 | IMAGE_BOOL_VALUE | |
4397 | }; | |
4398 | ||
4399 | /* Structure used when parsing image specifications. */ | |
4400 | ||
4401 | struct image_keyword | |
4402 | { | |
4403 | /* Name of keyword. */ | |
4404 | char *name; | |
4405 | ||
4406 | /* The type of value allowed. */ | |
4407 | enum image_value_type type; | |
4408 | ||
4409 | /* Non-zero means key must be present. */ | |
4410 | int mandatory_p; | |
4411 | ||
4412 | /* Used to recognize duplicate keywords in a property list. */ | |
4413 | int count; | |
4414 | ||
4415 | /* The value that was found. */ | |
4416 | Lisp_Object value; | |
4417 | }; | |
4418 | ||
4419 | ||
bfd2209f GM |
4420 | static int parse_image_spec P_ ((Lisp_Object, struct image_keyword *, |
4421 | int, Lisp_Object)); | |
333b20bb GM |
4422 | static Lisp_Object image_spec_value P_ ((Lisp_Object, Lisp_Object, int *)); |
4423 | ||
4424 | ||
4425 | /* Parse image spec SPEC according to KEYWORDS. A valid image spec | |
4426 | has the format (image KEYWORD VALUE ...). One of the keyword/ | |
4427 | value pairs must be `:type TYPE'. KEYWORDS is a vector of | |
4428 | image_keywords structures of size NKEYWORDS describing other | |
bfd2209f | 4429 | allowed keyword/value pairs. Value is non-zero if SPEC is valid. */ |
333b20bb GM |
4430 | |
4431 | static int | |
bfd2209f | 4432 | parse_image_spec (spec, keywords, nkeywords, type) |
333b20bb GM |
4433 | Lisp_Object spec; |
4434 | struct image_keyword *keywords; | |
4435 | int nkeywords; | |
4436 | Lisp_Object type; | |
333b20bb GM |
4437 | { |
4438 | int i; | |
4439 | Lisp_Object plist; | |
4440 | ||
4441 | if (!CONSP (spec) || !EQ (XCAR (spec), Qimage)) | |
4442 | return 0; | |
4443 | ||
4444 | plist = XCDR (spec); | |
4445 | while (CONSP (plist)) | |
4446 | { | |
4447 | Lisp_Object key, value; | |
4448 | ||
4449 | /* First element of a pair must be a symbol. */ | |
4450 | key = XCAR (plist); | |
4451 | plist = XCDR (plist); | |
4452 | if (!SYMBOLP (key)) | |
4453 | return 0; | |
4454 | ||
4455 | /* There must follow a value. */ | |
4456 | if (!CONSP (plist)) | |
4457 | return 0; | |
4458 | value = XCAR (plist); | |
4459 | plist = XCDR (plist); | |
4460 | ||
4461 | /* Find key in KEYWORDS. Error if not found. */ | |
4462 | for (i = 0; i < nkeywords; ++i) | |
d5db4077 | 4463 | if (strcmp (keywords[i].name, SDATA (SYMBOL_NAME (key))) == 0) |
333b20bb GM |
4464 | break; |
4465 | ||
4466 | if (i == nkeywords) | |
bfd2209f | 4467 | continue; |
333b20bb GM |
4468 | |
4469 | /* Record that we recognized the keyword. If a keywords | |
4470 | was found more than once, it's an error. */ | |
4471 | keywords[i].value = value; | |
4472 | ++keywords[i].count; | |
177c0ea7 | 4473 | |
333b20bb GM |
4474 | if (keywords[i].count > 1) |
4475 | return 0; | |
4476 | ||
4477 | /* Check type of value against allowed type. */ | |
4478 | switch (keywords[i].type) | |
4479 | { | |
4480 | case IMAGE_STRING_VALUE: | |
4481 | if (!STRINGP (value)) | |
4482 | return 0; | |
4483 | break; | |
4484 | ||
6f1be3b9 GM |
4485 | case IMAGE_STRING_OR_NIL_VALUE: |
4486 | if (!STRINGP (value) && !NILP (value)) | |
4487 | return 0; | |
4488 | break; | |
4489 | ||
333b20bb GM |
4490 | case IMAGE_SYMBOL_VALUE: |
4491 | if (!SYMBOLP (value)) | |
4492 | return 0; | |
4493 | break; | |
4494 | ||
4495 | case IMAGE_POSITIVE_INTEGER_VALUE: | |
4496 | if (!INTEGERP (value) || XINT (value) <= 0) | |
4497 | return 0; | |
4498 | break; | |
4499 | ||
3ed61e75 GM |
4500 | case IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR: |
4501 | if (INTEGERP (value) && XINT (value) >= 0) | |
4502 | break; | |
4503 | if (CONSP (value) | |
4504 | && INTEGERP (XCAR (value)) && INTEGERP (XCDR (value)) | |
4505 | && XINT (XCAR (value)) >= 0 && XINT (XCDR (value)) >= 0) | |
4506 | break; | |
4507 | return 0; | |
4508 | ||
7c7ff7f5 GM |
4509 | case IMAGE_ASCENT_VALUE: |
4510 | if (SYMBOLP (value) && EQ (value, Qcenter)) | |
4511 | break; | |
4512 | else if (INTEGERP (value) | |
4513 | && XINT (value) >= 0 | |
4514 | && XINT (value) <= 100) | |
4515 | break; | |
4516 | return 0; | |
177c0ea7 | 4517 | |
333b20bb GM |
4518 | case IMAGE_NON_NEGATIVE_INTEGER_VALUE: |
4519 | if (!INTEGERP (value) || XINT (value) < 0) | |
4520 | return 0; | |
4521 | break; | |
4522 | ||
4523 | case IMAGE_DONT_CHECK_VALUE_TYPE: | |
4524 | break; | |
4525 | ||
4526 | case IMAGE_FUNCTION_VALUE: | |
4527 | value = indirect_function (value); | |
177c0ea7 | 4528 | if (SUBRP (value) |
333b20bb GM |
4529 | || COMPILEDP (value) |
4530 | || (CONSP (value) && EQ (XCAR (value), Qlambda))) | |
4531 | break; | |
4532 | return 0; | |
4533 | ||
4534 | case IMAGE_NUMBER_VALUE: | |
4535 | if (!INTEGERP (value) && !FLOATP (value)) | |
4536 | return 0; | |
4537 | break; | |
4538 | ||
4539 | case IMAGE_INTEGER_VALUE: | |
4540 | if (!INTEGERP (value)) | |
4541 | return 0; | |
4542 | break; | |
4543 | ||
4544 | case IMAGE_BOOL_VALUE: | |
4545 | if (!NILP (value) && !EQ (value, Qt)) | |
4546 | return 0; | |
4547 | break; | |
4548 | ||
4549 | default: | |
4550 | abort (); | |
4551 | break; | |
4552 | } | |
4553 | ||
4554 | if (EQ (key, QCtype) && !EQ (type, value)) | |
4555 | return 0; | |
4556 | } | |
4557 | ||
4558 | /* Check that all mandatory fields are present. */ | |
4559 | for (i = 0; i < nkeywords; ++i) | |
4560 | if (keywords[i].mandatory_p && keywords[i].count == 0) | |
4561 | return 0; | |
4562 | ||
4563 | return NILP (plist); | |
4564 | } | |
4565 | ||
4566 | ||
4567 | /* Return the value of KEY in image specification SPEC. Value is nil | |
4568 | if KEY is not present in SPEC. if FOUND is not null, set *FOUND | |
4569 | to 1 if KEY was found in SPEC, set it to 0 otherwise. */ | |
4570 | ||
4571 | static Lisp_Object | |
4572 | image_spec_value (spec, key, found) | |
4573 | Lisp_Object spec, key; | |
4574 | int *found; | |
4575 | { | |
4576 | Lisp_Object tail; | |
177c0ea7 | 4577 | |
333b20bb GM |
4578 | xassert (valid_image_p (spec)); |
4579 | ||
4580 | for (tail = XCDR (spec); | |
4581 | CONSP (tail) && CONSP (XCDR (tail)); | |
4582 | tail = XCDR (XCDR (tail))) | |
4583 | { | |
4584 | if (EQ (XCAR (tail), key)) | |
4585 | { | |
4586 | if (found) | |
4587 | *found = 1; | |
4588 | return XCAR (XCDR (tail)); | |
4589 | } | |
4590 | } | |
177c0ea7 | 4591 | |
333b20bb GM |
4592 | if (found) |
4593 | *found = 0; | |
4594 | return Qnil; | |
4595 | } | |
177c0ea7 | 4596 | |
333b20bb | 4597 | |
42677916 | 4598 | DEFUN ("image-size", Fimage_size, Simage_size, 1, 3, 0, |
7ee72033 | 4599 | doc: /* Return the size of image SPEC as pair (WIDTH . HEIGHT). |
c061c855 GM |
4600 | PIXELS non-nil means return the size in pixels, otherwise return the |
4601 | size in canonical character units. | |
4602 | FRAME is the frame on which the image will be displayed. FRAME nil | |
7ee72033 MB |
4603 | or omitted means use the selected frame. */) |
4604 | (spec, pixels, frame) | |
42677916 GM |
4605 | Lisp_Object spec, pixels, frame; |
4606 | { | |
4607 | Lisp_Object size; | |
4608 | ||
4609 | size = Qnil; | |
4610 | if (valid_image_p (spec)) | |
4611 | { | |
4612 | struct frame *f = check_x_frame (frame); | |
83676598 | 4613 | int id = lookup_image (f, spec); |
42677916 | 4614 | struct image *img = IMAGE_FROM_ID (f, id); |
3ed61e75 GM |
4615 | int width = img->width + 2 * img->hmargin; |
4616 | int height = img->height + 2 * img->vmargin; | |
177c0ea7 | 4617 | |
42677916 | 4618 | if (NILP (pixels)) |
be786000 KS |
4619 | size = Fcons (make_float ((double) width / FRAME_COLUMN_WIDTH (f)), |
4620 | make_float ((double) height / FRAME_LINE_HEIGHT (f))); | |
42677916 GM |
4621 | else |
4622 | size = Fcons (make_number (width), make_number (height)); | |
4623 | } | |
4624 | else | |
4625 | error ("Invalid image specification"); | |
4626 | ||
4627 | return size; | |
4628 | } | |
4629 | ||
333b20bb | 4630 | |
b243755a | 4631 | DEFUN ("image-mask-p", Fimage_mask_p, Simage_mask_p, 1, 2, 0, |
7ee72033 | 4632 | doc: /* Return t if image SPEC has a mask bitmap. |
c061c855 | 4633 | FRAME is the frame on which the image will be displayed. FRAME nil |
7ee72033 MB |
4634 | or omitted means use the selected frame. */) |
4635 | (spec, frame) | |
b243755a GM |
4636 | Lisp_Object spec, frame; |
4637 | { | |
4638 | Lisp_Object mask; | |
4639 | ||
4640 | mask = Qnil; | |
4641 | if (valid_image_p (spec)) | |
4642 | { | |
4643 | struct frame *f = check_x_frame (frame); | |
83676598 | 4644 | int id = lookup_image (f, spec); |
b243755a GM |
4645 | struct image *img = IMAGE_FROM_ID (f, id); |
4646 | if (img->mask) | |
4647 | mask = Qt; | |
4648 | } | |
4649 | else | |
4650 | error ("Invalid image specification"); | |
4651 | ||
4652 | return mask; | |
4653 | } | |
4654 | ||
4655 | ||
333b20bb GM |
4656 | \f |
4657 | /*********************************************************************** | |
4658 | Image type independent image structures | |
4659 | ***********************************************************************/ | |
4660 | ||
4661 | static struct image *make_image P_ ((Lisp_Object spec, unsigned hash)); | |
4662 | static void free_image P_ ((struct frame *f, struct image *img)); | |
4663 | ||
4664 | ||
4665 | /* Allocate and return a new image structure for image specification | |
4666 | SPEC. SPEC has a hash value of HASH. */ | |
4667 | ||
4668 | static struct image * | |
4669 | make_image (spec, hash) | |
4670 | Lisp_Object spec; | |
4671 | unsigned hash; | |
4672 | { | |
4673 | struct image *img = (struct image *) xmalloc (sizeof *img); | |
177c0ea7 | 4674 | |
333b20bb GM |
4675 | xassert (valid_image_p (spec)); |
4676 | bzero (img, sizeof *img); | |
4677 | img->type = lookup_image_type (image_spec_value (spec, QCtype, NULL)); | |
4678 | xassert (img->type != NULL); | |
4679 | img->spec = spec; | |
4680 | img->data.lisp_val = Qnil; | |
4681 | img->ascent = DEFAULT_IMAGE_ASCENT; | |
4682 | img->hash = hash; | |
4683 | return img; | |
4684 | } | |
4685 | ||
4686 | ||
4687 | /* Free image IMG which was used on frame F, including its resources. */ | |
4688 | ||
4689 | static void | |
4690 | free_image (f, img) | |
4691 | struct frame *f; | |
4692 | struct image *img; | |
4693 | { | |
4694 | if (img) | |
4695 | { | |
4696 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); | |
4697 | ||
4698 | /* Remove IMG from the hash table of its cache. */ | |
4699 | if (img->prev) | |
4700 | img->prev->next = img->next; | |
4701 | else | |
4702 | c->buckets[img->hash % IMAGE_CACHE_BUCKETS_SIZE] = img->next; | |
4703 | ||
4704 | if (img->next) | |
4705 | img->next->prev = img->prev; | |
4706 | ||
4707 | c->images[img->id] = NULL; | |
4708 | ||
4709 | /* Free resources, then free IMG. */ | |
4710 | img->type->free (f, img); | |
4711 | xfree (img); | |
4712 | } | |
4713 | } | |
4714 | ||
4715 | ||
4716 | /* Prepare image IMG for display on frame F. Must be called before | |
4717 | drawing an image. */ | |
4718 | ||
4719 | void | |
4720 | prepare_image_for_display (f, img) | |
4721 | struct frame *f; | |
4722 | struct image *img; | |
4723 | { | |
4724 | EMACS_TIME t; | |
4725 | ||
4726 | /* We're about to display IMG, so set its timestamp to `now'. */ | |
4727 | EMACS_GET_TIME (t); | |
4728 | img->timestamp = EMACS_SECS (t); | |
4729 | ||
4730 | /* If IMG doesn't have a pixmap yet, load it now, using the image | |
4731 | type dependent loader function. */ | |
dd00328a | 4732 | if (img->pixmap == None && !img->load_failed_p) |
209061be | 4733 | img->load_failed_p = img->type->load (f, img) == 0; |
333b20bb | 4734 | } |
177c0ea7 | 4735 | |
333b20bb | 4736 | |
7c7ff7f5 GM |
4737 | /* Value is the number of pixels for the ascent of image IMG when |
4738 | drawn in face FACE. */ | |
4739 | ||
4740 | int | |
4741 | image_ascent (img, face) | |
4742 | struct image *img; | |
4743 | struct face *face; | |
4744 | { | |
3ed61e75 | 4745 | int height = img->height + img->vmargin; |
7c7ff7f5 GM |
4746 | int ascent; |
4747 | ||
4748 | if (img->ascent == CENTERED_IMAGE_ASCENT) | |
4749 | { | |
4750 | if (face->font) | |
3694cb3f MB |
4751 | /* This expression is arranged so that if the image can't be |
4752 | exactly centered, it will be moved slightly up. This is | |
4753 | because a typical font is `top-heavy' (due to the presence | |
4754 | uppercase letters), so the image placement should err towards | |
4755 | being top-heavy too. It also just generally looks better. */ | |
4756 | ascent = (height + face->font->ascent - face->font->descent + 1) / 2; | |
7c7ff7f5 GM |
4757 | else |
4758 | ascent = height / 2; | |
4759 | } | |
4760 | else | |
4761 | ascent = height * img->ascent / 100.0; | |
4762 | ||
4763 | return ascent; | |
4764 | } | |
4765 | ||
f20a3b7a MB |
4766 | \f |
4767 | /* Image background colors. */ | |
4768 | ||
4769 | static unsigned long | |
4770 | four_corners_best (ximg, width, height) | |
4771 | XImage *ximg; | |
4772 | unsigned long width, height; | |
4773 | { | |
b350c2e5 GM |
4774 | unsigned long corners[4], best; |
4775 | int i, best_count; | |
f20a3b7a | 4776 | |
b350c2e5 GM |
4777 | /* Get the colors at the corners of ximg. */ |
4778 | corners[0] = XGetPixel (ximg, 0, 0); | |
4779 | corners[1] = XGetPixel (ximg, width - 1, 0); | |
4780 | corners[2] = XGetPixel (ximg, width - 1, height - 1); | |
4781 | corners[3] = XGetPixel (ximg, 0, height - 1); | |
f20a3b7a | 4782 | |
b350c2e5 GM |
4783 | /* Choose the most frequently found color as background. */ |
4784 | for (i = best_count = 0; i < 4; ++i) | |
4785 | { | |
4786 | int j, n; | |
177c0ea7 | 4787 | |
b350c2e5 GM |
4788 | for (j = n = 0; j < 4; ++j) |
4789 | if (corners[i] == corners[j]) | |
4790 | ++n; | |
f20a3b7a | 4791 | |
b350c2e5 GM |
4792 | if (n > best_count) |
4793 | best = corners[i], best_count = n; | |
4794 | } | |
f20a3b7a | 4795 | |
b350c2e5 | 4796 | return best; |
f20a3b7a MB |
4797 | } |
4798 | ||
4799 | /* Return the `background' field of IMG. If IMG doesn't have one yet, | |
4800 | it is guessed heuristically. If non-zero, XIMG is an existing XImage | |
4801 | object to use for the heuristic. */ | |
4802 | ||
4803 | unsigned long | |
4804 | image_background (img, f, ximg) | |
4805 | struct image *img; | |
4806 | struct frame *f; | |
4807 | XImage *ximg; | |
4808 | { | |
4809 | if (! img->background_valid) | |
4810 | /* IMG doesn't have a background yet, try to guess a reasonable value. */ | |
4811 | { | |
4812 | int free_ximg = !ximg; | |
4813 | ||
4814 | if (! ximg) | |
4815 | ximg = XGetImage (FRAME_X_DISPLAY (f), img->pixmap, | |
4816 | 0, 0, img->width, img->height, ~0, ZPixmap); | |
4817 | ||
4818 | img->background = four_corners_best (ximg, img->width, img->height); | |
4819 | ||
4820 | if (free_ximg) | |
4821 | XDestroyImage (ximg); | |
4822 | ||
4823 | img->background_valid = 1; | |
4824 | } | |
4825 | ||
4826 | return img->background; | |
4827 | } | |
4828 | ||
4829 | /* Return the `background_transparent' field of IMG. If IMG doesn't | |
4830 | have one yet, it is guessed heuristically. If non-zero, MASK is an | |
4831 | existing XImage object to use for the heuristic. */ | |
4832 | ||
4833 | int | |
4834 | image_background_transparent (img, f, mask) | |
4835 | struct image *img; | |
4836 | struct frame *f; | |
4837 | XImage *mask; | |
4838 | { | |
4839 | if (! img->background_transparent_valid) | |
4840 | /* IMG doesn't have a background yet, try to guess a reasonable value. */ | |
4841 | { | |
4842 | if (img->mask) | |
4843 | { | |
4844 | int free_mask = !mask; | |
4845 | ||
4846 | if (! mask) | |
4847 | mask = XGetImage (FRAME_X_DISPLAY (f), img->mask, | |
4848 | 0, 0, img->width, img->height, ~0, ZPixmap); | |
4849 | ||
4850 | img->background_transparent | |
4851 | = !four_corners_best (mask, img->width, img->height); | |
4852 | ||
4853 | if (free_mask) | |
4854 | XDestroyImage (mask); | |
4855 | } | |
4856 | else | |
4857 | img->background_transparent = 0; | |
4858 | ||
4859 | img->background_transparent_valid = 1; | |
4860 | } | |
4861 | ||
4862 | return img->background_transparent; | |
4863 | } | |
7c7ff7f5 | 4864 | |
333b20bb GM |
4865 | \f |
4866 | /*********************************************************************** | |
4867 | Helper functions for X image types | |
4868 | ***********************************************************************/ | |
4869 | ||
dd00328a GM |
4870 | static void x_clear_image_1 P_ ((struct frame *, struct image *, int, |
4871 | int, int)); | |
333b20bb GM |
4872 | static void x_clear_image P_ ((struct frame *f, struct image *img)); |
4873 | static unsigned long x_alloc_image_color P_ ((struct frame *f, | |
4874 | struct image *img, | |
4875 | Lisp_Object color_name, | |
4876 | unsigned long dflt)); | |
4877 | ||
dd00328a GM |
4878 | |
4879 | /* Clear X resources of image IMG on frame F. PIXMAP_P non-zero means | |
4880 | free the pixmap if any. MASK_P non-zero means clear the mask | |
4881 | pixmap if any. COLORS_P non-zero means free colors allocated for | |
4882 | the image, if any. */ | |
333b20bb GM |
4883 | |
4884 | static void | |
dd00328a | 4885 | x_clear_image_1 (f, img, pixmap_p, mask_p, colors_p) |
333b20bb GM |
4886 | struct frame *f; |
4887 | struct image *img; | |
dd00328a | 4888 | int pixmap_p, mask_p, colors_p; |
333b20bb | 4889 | { |
dd00328a | 4890 | if (pixmap_p && img->pixmap) |
333b20bb | 4891 | { |
333b20bb | 4892 | XFreePixmap (FRAME_X_DISPLAY (f), img->pixmap); |
dd00328a | 4893 | img->pixmap = None; |
f20a3b7a | 4894 | img->background_valid = 0; |
f4779de9 GM |
4895 | } |
4896 | ||
dd00328a | 4897 | if (mask_p && img->mask) |
f4779de9 GM |
4898 | { |
4899 | XFreePixmap (FRAME_X_DISPLAY (f), img->mask); | |
dd00328a | 4900 | img->mask = None; |
f20a3b7a | 4901 | img->background_transparent_valid = 0; |
333b20bb | 4902 | } |
177c0ea7 | 4903 | |
dd00328a | 4904 | if (colors_p && img->ncolors) |
333b20bb | 4905 | { |
462d5d40 | 4906 | x_free_colors (f, img->colors, img->ncolors); |
333b20bb GM |
4907 | xfree (img->colors); |
4908 | img->colors = NULL; | |
4909 | img->ncolors = 0; | |
4910 | } | |
dd00328a GM |
4911 | } |
4912 | ||
4913 | /* Free X resources of image IMG which is used on frame F. */ | |
4914 | ||
4915 | static void | |
4916 | x_clear_image (f, img) | |
4917 | struct frame *f; | |
4918 | struct image *img; | |
4919 | { | |
4920 | BLOCK_INPUT; | |
4921 | x_clear_image_1 (f, img, 1, 1, 1); | |
f4779de9 | 4922 | UNBLOCK_INPUT; |
333b20bb GM |
4923 | } |
4924 | ||
4925 | ||
4926 | /* Allocate color COLOR_NAME for image IMG on frame F. If color | |
4927 | cannot be allocated, use DFLT. Add a newly allocated color to | |
4928 | IMG->colors, so that it can be freed again. Value is the pixel | |
4929 | color. */ | |
4930 | ||
4931 | static unsigned long | |
4932 | x_alloc_image_color (f, img, color_name, dflt) | |
4933 | struct frame *f; | |
4934 | struct image *img; | |
4935 | Lisp_Object color_name; | |
4936 | unsigned long dflt; | |
4937 | { | |
4938 | XColor color; | |
4939 | unsigned long result; | |
4940 | ||
4941 | xassert (STRINGP (color_name)); | |
4942 | ||
d5db4077 | 4943 | if (x_defined_color (f, SDATA (color_name), &color, 1)) |
333b20bb GM |
4944 | { |
4945 | /* This isn't called frequently so we get away with simply | |
4946 | reallocating the color vector to the needed size, here. */ | |
4947 | ++img->ncolors; | |
4948 | img->colors = | |
4949 | (unsigned long *) xrealloc (img->colors, | |
4950 | img->ncolors * sizeof *img->colors); | |
4951 | img->colors[img->ncolors - 1] = color.pixel; | |
4952 | result = color.pixel; | |
4953 | } | |
4954 | else | |
4955 | result = dflt; | |
4956 | ||
4957 | return result; | |
4958 | } | |
4959 | ||
4960 | ||
4961 | \f | |
4962 | /*********************************************************************** | |
4963 | Image Cache | |
4964 | ***********************************************************************/ | |
4965 | ||
4966 | static void cache_image P_ ((struct frame *f, struct image *img)); | |
ad18ffb1 | 4967 | static void postprocess_image P_ ((struct frame *, struct image *)); |
333b20bb GM |
4968 | |
4969 | ||
4970 | /* Return a new, initialized image cache that is allocated from the | |
4971 | heap. Call free_image_cache to free an image cache. */ | |
4972 | ||
4973 | struct image_cache * | |
4974 | make_image_cache () | |
4975 | { | |
4976 | struct image_cache *c = (struct image_cache *) xmalloc (sizeof *c); | |
4977 | int size; | |
177c0ea7 | 4978 | |
333b20bb GM |
4979 | bzero (c, sizeof *c); |
4980 | c->size = 50; | |
4981 | c->images = (struct image **) xmalloc (c->size * sizeof *c->images); | |
4982 | size = IMAGE_CACHE_BUCKETS_SIZE * sizeof *c->buckets; | |
4983 | c->buckets = (struct image **) xmalloc (size); | |
4984 | bzero (c->buckets, size); | |
4985 | return c; | |
4986 | } | |
4987 | ||
4988 | ||
4989 | /* Free image cache of frame F. Be aware that X frames share images | |
4990 | caches. */ | |
4991 | ||
4992 | void | |
4993 | free_image_cache (f) | |
4994 | struct frame *f; | |
4995 | { | |
4996 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); | |
4997 | if (c) | |
4998 | { | |
4999 | int i; | |
5000 | ||
5001 | /* Cache should not be referenced by any frame when freed. */ | |
5002 | xassert (c->refcount == 0); | |
177c0ea7 | 5003 | |
333b20bb GM |
5004 | for (i = 0; i < c->used; ++i) |
5005 | free_image (f, c->images[i]); | |
5006 | xfree (c->images); | |
333b20bb | 5007 | xfree (c->buckets); |
e3130015 | 5008 | xfree (c); |
333b20bb GM |
5009 | FRAME_X_IMAGE_CACHE (f) = NULL; |
5010 | } | |
5011 | } | |
5012 | ||
5013 | ||
5014 | /* Clear image cache of frame F. FORCE_P non-zero means free all | |
5015 | images. FORCE_P zero means clear only images that haven't been | |
5016 | displayed for some time. Should be called from time to time to | |
5017 | reduce the number of loaded images. If image-eviction-seconds is | |
5018 | non-nil, this frees images in the cache which weren't displayed for | |
5019 | at least that many seconds. */ | |
5020 | ||
5021 | void | |
5022 | clear_image_cache (f, force_p) | |
5023 | struct frame *f; | |
5024 | int force_p; | |
5025 | { | |
5026 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); | |
5027 | ||
83676598 | 5028 | if (c && INTEGERP (Vimage_cache_eviction_delay)) |
333b20bb GM |
5029 | { |
5030 | EMACS_TIME t; | |
5031 | unsigned long old; | |
f4779de9 | 5032 | int i, nfreed; |
333b20bb GM |
5033 | |
5034 | EMACS_GET_TIME (t); | |
fcf431dc | 5035 | old = EMACS_SECS (t) - XFASTINT (Vimage_cache_eviction_delay); |
f4779de9 GM |
5036 | |
5037 | /* Block input so that we won't be interrupted by a SIGIO | |
5038 | while being in an inconsistent state. */ | |
5039 | BLOCK_INPUT; | |
177c0ea7 | 5040 | |
f4779de9 | 5041 | for (i = nfreed = 0; i < c->used; ++i) |
333b20bb GM |
5042 | { |
5043 | struct image *img = c->images[i]; | |
5044 | if (img != NULL | |
f4779de9 | 5045 | && (force_p || img->timestamp < old)) |
333b20bb GM |
5046 | { |
5047 | free_image (f, img); | |
f4779de9 | 5048 | ++nfreed; |
333b20bb GM |
5049 | } |
5050 | } | |
5051 | ||
5052 | /* We may be clearing the image cache because, for example, | |
5053 | Emacs was iconified for a longer period of time. In that | |
5054 | case, current matrices may still contain references to | |
5055 | images freed above. So, clear these matrices. */ | |
f4779de9 | 5056 | if (nfreed) |
333b20bb | 5057 | { |
f4779de9 | 5058 | Lisp_Object tail, frame; |
177c0ea7 | 5059 | |
f4779de9 GM |
5060 | FOR_EACH_FRAME (tail, frame) |
5061 | { | |
5062 | struct frame *f = XFRAME (frame); | |
5063 | if (FRAME_X_P (f) | |
5064 | && FRAME_X_IMAGE_CACHE (f) == c) | |
83676598 | 5065 | clear_current_matrices (f); |
f4779de9 GM |
5066 | } |
5067 | ||
333b20bb GM |
5068 | ++windows_or_buffers_changed; |
5069 | } | |
f4779de9 GM |
5070 | |
5071 | UNBLOCK_INPUT; | |
333b20bb GM |
5072 | } |
5073 | } | |
5074 | ||
5075 | ||
5076 | DEFUN ("clear-image-cache", Fclear_image_cache, Sclear_image_cache, | |
5077 | 0, 1, 0, | |
7ee72033 | 5078 | doc: /* Clear the image cache of FRAME. |
c061c855 | 5079 | FRAME nil or omitted means use the selected frame. |
7ee72033 MB |
5080 | FRAME t means clear the image caches of all frames. */) |
5081 | (frame) | |
333b20bb GM |
5082 | Lisp_Object frame; |
5083 | { | |
5084 | if (EQ (frame, Qt)) | |
5085 | { | |
5086 | Lisp_Object tail; | |
177c0ea7 | 5087 | |
333b20bb GM |
5088 | FOR_EACH_FRAME (tail, frame) |
5089 | if (FRAME_X_P (XFRAME (frame))) | |
5090 | clear_image_cache (XFRAME (frame), 1); | |
5091 | } | |
5092 | else | |
5093 | clear_image_cache (check_x_frame (frame), 1); | |
5094 | ||
5095 | return Qnil; | |
5096 | } | |
5097 | ||
5098 | ||
ad18ffb1 GM |
5099 | /* Compute masks and transform image IMG on frame F, as specified |
5100 | by the image's specification, */ | |
5101 | ||
5102 | static void | |
5103 | postprocess_image (f, img) | |
5104 | struct frame *f; | |
5105 | struct image *img; | |
5106 | { | |
5107 | /* Manipulation of the image's mask. */ | |
5108 | if (img->pixmap) | |
5109 | { | |
5110 | Lisp_Object conversion, spec; | |
5111 | Lisp_Object mask; | |
5112 | ||
5113 | spec = img->spec; | |
177c0ea7 | 5114 | |
ad18ffb1 GM |
5115 | /* `:heuristic-mask t' |
5116 | `:mask heuristic' | |
5117 | means build a mask heuristically. | |
5118 | `:heuristic-mask (R G B)' | |
5119 | `:mask (heuristic (R G B))' | |
5120 | means build a mask from color (R G B) in the | |
5121 | image. | |
5122 | `:mask nil' | |
5123 | means remove a mask, if any. */ | |
177c0ea7 | 5124 | |
ad18ffb1 GM |
5125 | mask = image_spec_value (spec, QCheuristic_mask, NULL); |
5126 | if (!NILP (mask)) | |
5127 | x_build_heuristic_mask (f, img, mask); | |
5128 | else | |
5129 | { | |
5130 | int found_p; | |
177c0ea7 | 5131 | |
ad18ffb1 | 5132 | mask = image_spec_value (spec, QCmask, &found_p); |
177c0ea7 | 5133 | |
ad18ffb1 GM |
5134 | if (EQ (mask, Qheuristic)) |
5135 | x_build_heuristic_mask (f, img, Qt); | |
5136 | else if (CONSP (mask) | |
5137 | && EQ (XCAR (mask), Qheuristic)) | |
5138 | { | |
5139 | if (CONSP (XCDR (mask))) | |
5140 | x_build_heuristic_mask (f, img, XCAR (XCDR (mask))); | |
5141 | else | |
5142 | x_build_heuristic_mask (f, img, XCDR (mask)); | |
5143 | } | |
5144 | else if (NILP (mask) && found_p && img->mask) | |
5145 | { | |
5146 | XFreePixmap (FRAME_X_DISPLAY (f), img->mask); | |
5147 | img->mask = None; | |
5148 | } | |
5149 | } | |
177c0ea7 JB |
5150 | |
5151 | ||
ad18ffb1 GM |
5152 | /* Should we apply an image transformation algorithm? */ |
5153 | conversion = image_spec_value (spec, QCconversion, NULL); | |
5154 | if (EQ (conversion, Qdisabled)) | |
5155 | x_disable_image (f, img); | |
5156 | else if (EQ (conversion, Qlaplace)) | |
5157 | x_laplace (f, img); | |
5158 | else if (EQ (conversion, Qemboss)) | |
5159 | x_emboss (f, img); | |
5160 | else if (CONSP (conversion) | |
5161 | && EQ (XCAR (conversion), Qedge_detection)) | |
5162 | { | |
5163 | Lisp_Object tem; | |
5164 | tem = XCDR (conversion); | |
5165 | if (CONSP (tem)) | |
5166 | x_edge_detection (f, img, | |
5167 | Fplist_get (tem, QCmatrix), | |
5168 | Fplist_get (tem, QCcolor_adjustment)); | |
5169 | } | |
5170 | } | |
5171 | } | |
5172 | ||
5173 | ||
333b20bb | 5174 | /* Return the id of image with Lisp specification SPEC on frame F. |
83676598 | 5175 | SPEC must be a valid Lisp image specification (see valid_image_p). */ |
333b20bb GM |
5176 | |
5177 | int | |
83676598 | 5178 | lookup_image (f, spec) |
333b20bb GM |
5179 | struct frame *f; |
5180 | Lisp_Object spec; | |
5181 | { | |
5182 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); | |
5183 | struct image *img; | |
5184 | int i; | |
5185 | unsigned hash; | |
5186 | struct gcpro gcpro1; | |
4f7ca1f1 | 5187 | EMACS_TIME now; |
333b20bb GM |
5188 | |
5189 | /* F must be a window-system frame, and SPEC must be a valid image | |
5190 | specification. */ | |
5191 | xassert (FRAME_WINDOW_P (f)); | |
5192 | xassert (valid_image_p (spec)); | |
177c0ea7 | 5193 | |
333b20bb GM |
5194 | GCPRO1 (spec); |
5195 | ||
5196 | /* Look up SPEC in the hash table of the image cache. */ | |
5197 | hash = sxhash (spec, 0); | |
5198 | i = hash % IMAGE_CACHE_BUCKETS_SIZE; | |
5199 | ||
5200 | for (img = c->buckets[i]; img; img = img->next) | |
5201 | if (img->hash == hash && !NILP (Fequal (img->spec, spec))) | |
5202 | break; | |
5203 | ||
5204 | /* If not found, create a new image and cache it. */ | |
5205 | if (img == NULL) | |
5206 | { | |
ad18ffb1 | 5207 | extern Lisp_Object Qpostscript; |
177c0ea7 | 5208 | |
28c7826c | 5209 | BLOCK_INPUT; |
333b20bb GM |
5210 | img = make_image (spec, hash); |
5211 | cache_image (f, img); | |
83676598 | 5212 | img->load_failed_p = img->type->load (f, img) == 0; |
333b20bb GM |
5213 | |
5214 | /* If we can't load the image, and we don't have a width and | |
5215 | height, use some arbitrary width and height so that we can | |
5216 | draw a rectangle for it. */ | |
83676598 | 5217 | if (img->load_failed_p) |
333b20bb GM |
5218 | { |
5219 | Lisp_Object value; | |
5220 | ||
5221 | value = image_spec_value (spec, QCwidth, NULL); | |
5222 | img->width = (INTEGERP (value) | |
5223 | ? XFASTINT (value) : DEFAULT_IMAGE_WIDTH); | |
5224 | value = image_spec_value (spec, QCheight, NULL); | |
5225 | img->height = (INTEGERP (value) | |
5226 | ? XFASTINT (value) : DEFAULT_IMAGE_HEIGHT); | |
5227 | } | |
5228 | else | |
5229 | { | |
5230 | /* Handle image type independent image attributes | |
f20a3b7a MB |
5231 | `:ascent ASCENT', `:margin MARGIN', `:relief RELIEF', |
5232 | `:background COLOR'. */ | |
5233 | Lisp_Object ascent, margin, relief, bg; | |
333b20bb GM |
5234 | |
5235 | ascent = image_spec_value (spec, QCascent, NULL); | |
5236 | if (INTEGERP (ascent)) | |
5237 | img->ascent = XFASTINT (ascent); | |
7c7ff7f5 GM |
5238 | else if (EQ (ascent, Qcenter)) |
5239 | img->ascent = CENTERED_IMAGE_ASCENT; | |
177c0ea7 | 5240 | |
333b20bb GM |
5241 | margin = image_spec_value (spec, QCmargin, NULL); |
5242 | if (INTEGERP (margin) && XINT (margin) >= 0) | |
3ed61e75 GM |
5243 | img->vmargin = img->hmargin = XFASTINT (margin); |
5244 | else if (CONSP (margin) && INTEGERP (XCAR (margin)) | |
5245 | && INTEGERP (XCDR (margin))) | |
5246 | { | |
5247 | if (XINT (XCAR (margin)) > 0) | |
5248 | img->hmargin = XFASTINT (XCAR (margin)); | |
5249 | if (XINT (XCDR (margin)) > 0) | |
5250 | img->vmargin = XFASTINT (XCDR (margin)); | |
5251 | } | |
177c0ea7 | 5252 | |
333b20bb GM |
5253 | relief = image_spec_value (spec, QCrelief, NULL); |
5254 | if (INTEGERP (relief)) | |
5255 | { | |
5256 | img->relief = XINT (relief); | |
3ed61e75 GM |
5257 | img->hmargin += abs (img->relief); |
5258 | img->vmargin += abs (img->relief); | |
333b20bb GM |
5259 | } |
5260 | ||
f20a3b7a MB |
5261 | if (! img->background_valid) |
5262 | { | |
5263 | bg = image_spec_value (img->spec, QCbackground, NULL); | |
5264 | if (!NILP (bg)) | |
5265 | { | |
5266 | img->background | |
5267 | = x_alloc_image_color (f, img, bg, | |
5268 | FRAME_BACKGROUND_PIXEL (f)); | |
5269 | img->background_valid = 1; | |
5270 | } | |
5271 | } | |
5272 | ||
ad18ffb1 GM |
5273 | /* Do image transformations and compute masks, unless we |
5274 | don't have the image yet. */ | |
5275 | if (!EQ (*img->type->type, Qpostscript)) | |
5276 | postprocess_image (f, img); | |
333b20bb | 5277 | } |
dd00328a | 5278 | |
28c7826c GM |
5279 | UNBLOCK_INPUT; |
5280 | xassert (!interrupt_input_blocked); | |
333b20bb GM |
5281 | } |
5282 | ||
4f7ca1f1 GM |
5283 | /* We're using IMG, so set its timestamp to `now'. */ |
5284 | EMACS_GET_TIME (now); | |
5285 | img->timestamp = EMACS_SECS (now); | |
177c0ea7 | 5286 | |
333b20bb | 5287 | UNGCPRO; |
177c0ea7 | 5288 | |
333b20bb GM |
5289 | /* Value is the image id. */ |
5290 | return img->id; | |
5291 | } | |
5292 | ||
5293 | ||
5294 | /* Cache image IMG in the image cache of frame F. */ | |
5295 | ||
5296 | static void | |
5297 | cache_image (f, img) | |
5298 | struct frame *f; | |
5299 | struct image *img; | |
5300 | { | |
5301 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); | |
5302 | int i; | |
5303 | ||
5304 | /* Find a free slot in c->images. */ | |
5305 | for (i = 0; i < c->used; ++i) | |
5306 | if (c->images[i] == NULL) | |
5307 | break; | |
5308 | ||
5309 | /* If no free slot found, maybe enlarge c->images. */ | |
5310 | if (i == c->used && c->used == c->size) | |
5311 | { | |
5312 | c->size *= 2; | |
5313 | c->images = (struct image **) xrealloc (c->images, | |
5314 | c->size * sizeof *c->images); | |
5315 | } | |
5316 | ||
5317 | /* Add IMG to c->images, and assign IMG an id. */ | |
5318 | c->images[i] = img; | |
5319 | img->id = i; | |
5320 | if (i == c->used) | |
5321 | ++c->used; | |
5322 | ||
5323 | /* Add IMG to the cache's hash table. */ | |
5324 | i = img->hash % IMAGE_CACHE_BUCKETS_SIZE; | |
5325 | img->next = c->buckets[i]; | |
5326 | if (img->next) | |
5327 | img->next->prev = img; | |
5328 | img->prev = NULL; | |
5329 | c->buckets[i] = img; | |
5330 | } | |
5331 | ||
5332 | ||
5333 | /* Call FN on every image in the image cache of frame F. Used to mark | |
5334 | Lisp Objects in the image cache. */ | |
5335 | ||
5336 | void | |
5337 | forall_images_in_image_cache (f, fn) | |
5338 | struct frame *f; | |
5339 | void (*fn) P_ ((struct image *img)); | |
5340 | { | |
5341 | if (FRAME_LIVE_P (f) && FRAME_X_P (f)) | |
5342 | { | |
5343 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); | |
5344 | if (c) | |
5345 | { | |
5346 | int i; | |
5347 | for (i = 0; i < c->used; ++i) | |
5348 | if (c->images[i]) | |
5349 | fn (c->images[i]); | |
5350 | } | |
5351 | } | |
5352 | } | |
5353 | ||
5354 | ||
5355 | \f | |
5356 | /*********************************************************************** | |
5357 | X support code | |
5358 | ***********************************************************************/ | |
5359 | ||
45158a91 GM |
5360 | static int x_create_x_image_and_pixmap P_ ((struct frame *, int, int, int, |
5361 | XImage **, Pixmap *)); | |
333b20bb GM |
5362 | static void x_destroy_x_image P_ ((XImage *)); |
5363 | static void x_put_x_image P_ ((struct frame *, XImage *, Pixmap, int, int)); | |
5364 | ||
5365 | ||
5366 | /* Create an XImage and a pixmap of size WIDTH x HEIGHT for use on | |
5367 | frame F. Set *XIMG and *PIXMAP to the XImage and Pixmap created. | |
5368 | Set (*XIMG)->data to a raster of WIDTH x HEIGHT pixels allocated | |
5369 | via xmalloc. Print error messages via image_error if an error | |
45158a91 | 5370 | occurs. Value is non-zero if successful. */ |
333b20bb GM |
5371 | |
5372 | static int | |
45158a91 | 5373 | x_create_x_image_and_pixmap (f, width, height, depth, ximg, pixmap) |
333b20bb | 5374 | struct frame *f; |
333b20bb GM |
5375 | int width, height, depth; |
5376 | XImage **ximg; | |
5377 | Pixmap *pixmap; | |
5378 | { | |
5379 | Display *display = FRAME_X_DISPLAY (f); | |
5380 | Screen *screen = FRAME_X_SCREEN (f); | |
5381 | Window window = FRAME_X_WINDOW (f); | |
5382 | ||
5383 | xassert (interrupt_input_blocked); | |
5384 | ||
5385 | if (depth <= 0) | |
5386 | depth = DefaultDepthOfScreen (screen); | |
5387 | *ximg = XCreateImage (display, DefaultVisualOfScreen (screen), | |
5388 | depth, ZPixmap, 0, NULL, width, height, | |
5389 | depth > 16 ? 32 : depth > 8 ? 16 : 8, 0); | |
5390 | if (*ximg == NULL) | |
5391 | { | |
45158a91 | 5392 | image_error ("Unable to allocate X image", Qnil, Qnil); |
333b20bb GM |
5393 | return 0; |
5394 | } | |
5395 | ||
5396 | /* Allocate image raster. */ | |
5397 | (*ximg)->data = (char *) xmalloc ((*ximg)->bytes_per_line * height); | |
5398 | ||
5399 | /* Allocate a pixmap of the same size. */ | |
5400 | *pixmap = XCreatePixmap (display, window, width, height, depth); | |
dd00328a | 5401 | if (*pixmap == None) |
333b20bb GM |
5402 | { |
5403 | x_destroy_x_image (*ximg); | |
5404 | *ximg = NULL; | |
45158a91 | 5405 | image_error ("Unable to create X pixmap", Qnil, Qnil); |
333b20bb GM |
5406 | return 0; |
5407 | } | |
5408 | ||
5409 | return 1; | |
5410 | } | |
5411 | ||
5412 | ||
5413 | /* Destroy XImage XIMG. Free XIMG->data. */ | |
5414 | ||
5415 | static void | |
5416 | x_destroy_x_image (ximg) | |
5417 | XImage *ximg; | |
5418 | { | |
5419 | xassert (interrupt_input_blocked); | |
5420 | if (ximg) | |
5421 | { | |
5422 | xfree (ximg->data); | |
5423 | ximg->data = NULL; | |
5424 | XDestroyImage (ximg); | |
5425 | } | |
5426 | } | |
5427 | ||
5428 | ||
5429 | /* Put XImage XIMG into pixmap PIXMAP on frame F. WIDTH and HEIGHT | |
5430 | are width and height of both the image and pixmap. */ | |
5431 | ||
ea6b19ca | 5432 | static void |
333b20bb GM |
5433 | x_put_x_image (f, ximg, pixmap, width, height) |
5434 | struct frame *f; | |
5435 | XImage *ximg; | |
5436 | Pixmap pixmap; | |
caeea55a | 5437 | int width, height; |
333b20bb GM |
5438 | { |
5439 | GC gc; | |
177c0ea7 | 5440 | |
333b20bb GM |
5441 | xassert (interrupt_input_blocked); |
5442 | gc = XCreateGC (FRAME_X_DISPLAY (f), pixmap, 0, NULL); | |
5443 | XPutImage (FRAME_X_DISPLAY (f), pixmap, gc, ximg, 0, 0, 0, 0, width, height); | |
5444 | XFreeGC (FRAME_X_DISPLAY (f), gc); | |
5445 | } | |
5446 | ||
5447 | ||
5448 | \f | |
5449 | /*********************************************************************** | |
5be6c3b0 | 5450 | File Handling |
333b20bb GM |
5451 | ***********************************************************************/ |
5452 | ||
5453 | static Lisp_Object x_find_image_file P_ ((Lisp_Object)); | |
5be6c3b0 GM |
5454 | static char *slurp_file P_ ((char *, int *)); |
5455 | ||
333b20bb GM |
5456 | |
5457 | /* Find image file FILE. Look in data-directory, then | |
5458 | x-bitmap-file-path. Value is the full name of the file found, or | |
5459 | nil if not found. */ | |
5460 | ||
5461 | static Lisp_Object | |
5462 | x_find_image_file (file) | |
5463 | Lisp_Object file; | |
5464 | { | |
5465 | Lisp_Object file_found, search_path; | |
5466 | struct gcpro gcpro1, gcpro2; | |
5467 | int fd; | |
5468 | ||
5469 | file_found = Qnil; | |
5470 | search_path = Fcons (Vdata_directory, Vx_bitmap_file_path); | |
5471 | GCPRO2 (file_found, search_path); | |
5472 | ||
5473 | /* Try to find FILE in data-directory, then x-bitmap-file-path. */ | |
de2413e9 | 5474 | fd = openp (search_path, file, Qnil, &file_found, Qnil); |
177c0ea7 | 5475 | |
939d6465 | 5476 | if (fd == -1) |
333b20bb GM |
5477 | file_found = Qnil; |
5478 | else | |
5479 | close (fd); | |
5480 | ||
5481 | UNGCPRO; | |
5482 | return file_found; | |
5483 | } | |
5484 | ||
5485 | ||
5be6c3b0 GM |
5486 | /* Read FILE into memory. Value is a pointer to a buffer allocated |
5487 | with xmalloc holding FILE's contents. Value is null if an error | |
b243755a | 5488 | occurred. *SIZE is set to the size of the file. */ |
5be6c3b0 GM |
5489 | |
5490 | static char * | |
5491 | slurp_file (file, size) | |
5492 | char *file; | |
5493 | int *size; | |
5494 | { | |
5495 | FILE *fp = NULL; | |
5496 | char *buf = NULL; | |
5497 | struct stat st; | |
5498 | ||
5499 | if (stat (file, &st) == 0 | |
5500 | && (fp = fopen (file, "r")) != NULL | |
5501 | && (buf = (char *) xmalloc (st.st_size), | |
5502 | fread (buf, 1, st.st_size, fp) == st.st_size)) | |
5503 | { | |
5504 | *size = st.st_size; | |
5505 | fclose (fp); | |
5506 | } | |
5507 | else | |
5508 | { | |
5509 | if (fp) | |
5510 | fclose (fp); | |
5511 | if (buf) | |
5512 | { | |
5513 | xfree (buf); | |
5514 | buf = NULL; | |
5515 | } | |
5516 | } | |
177c0ea7 | 5517 | |
5be6c3b0 GM |
5518 | return buf; |
5519 | } | |
5520 | ||
5521 | ||
333b20bb GM |
5522 | \f |
5523 | /*********************************************************************** | |
5524 | XBM images | |
5525 | ***********************************************************************/ | |
5526 | ||
5be6c3b0 | 5527 | static int xbm_scan P_ ((char **, char *, char *, int *)); |
333b20bb | 5528 | static int xbm_load P_ ((struct frame *f, struct image *img)); |
5be6c3b0 GM |
5529 | static int xbm_load_image P_ ((struct frame *f, struct image *img, |
5530 | char *, char *)); | |
333b20bb | 5531 | static int xbm_image_p P_ ((Lisp_Object object)); |
5be6c3b0 GM |
5532 | static int xbm_read_bitmap_data P_ ((char *, char *, int *, int *, |
5533 | unsigned char **)); | |
5534 | static int xbm_file_p P_ ((Lisp_Object)); | |
333b20bb GM |
5535 | |
5536 | ||
5537 | /* Indices of image specification fields in xbm_format, below. */ | |
5538 | ||
5539 | enum xbm_keyword_index | |
5540 | { | |
5541 | XBM_TYPE, | |
5542 | XBM_FILE, | |
5543 | XBM_WIDTH, | |
5544 | XBM_HEIGHT, | |
5545 | XBM_DATA, | |
5546 | XBM_FOREGROUND, | |
5547 | XBM_BACKGROUND, | |
5548 | XBM_ASCENT, | |
5549 | XBM_MARGIN, | |
5550 | XBM_RELIEF, | |
5551 | XBM_ALGORITHM, | |
5552 | XBM_HEURISTIC_MASK, | |
4a8e312c | 5553 | XBM_MASK, |
333b20bb GM |
5554 | XBM_LAST |
5555 | }; | |
5556 | ||
5557 | /* Vector of image_keyword structures describing the format | |
5558 | of valid XBM image specifications. */ | |
5559 | ||
5560 | static struct image_keyword xbm_format[XBM_LAST] = | |
5561 | { | |
5562 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
5563 | {":file", IMAGE_STRING_VALUE, 0}, | |
5564 | {":width", IMAGE_POSITIVE_INTEGER_VALUE, 0}, | |
5565 | {":height", IMAGE_POSITIVE_INTEGER_VALUE, 0}, | |
5566 | {":data", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, | |
6f1be3b9 GM |
5567 | {":foreground", IMAGE_STRING_OR_NIL_VALUE, 0}, |
5568 | {":background", IMAGE_STRING_OR_NIL_VALUE, 0}, | |
7c7ff7f5 | 5569 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
3ed61e75 | 5570 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
333b20bb | 5571 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
d2dc8167 | 5572 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
4a8e312c GM |
5573 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
5574 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0} | |
333b20bb GM |
5575 | }; |
5576 | ||
5577 | /* Structure describing the image type XBM. */ | |
5578 | ||
5579 | static struct image_type xbm_type = | |
5580 | { | |
5581 | &Qxbm, | |
5582 | xbm_image_p, | |
5583 | xbm_load, | |
5584 | x_clear_image, | |
5585 | NULL | |
5586 | }; | |
5587 | ||
5588 | /* Tokens returned from xbm_scan. */ | |
5589 | ||
5590 | enum xbm_token | |
5591 | { | |
5592 | XBM_TK_IDENT = 256, | |
5593 | XBM_TK_NUMBER | |
5594 | }; | |
5595 | ||
177c0ea7 | 5596 | |
333b20bb GM |
5597 | /* Return non-zero if OBJECT is a valid XBM-type image specification. |
5598 | A valid specification is a list starting with the symbol `image' | |
5599 | The rest of the list is a property list which must contain an | |
5600 | entry `:type xbm.. | |
5601 | ||
5602 | If the specification specifies a file to load, it must contain | |
5603 | an entry `:file FILENAME' where FILENAME is a string. | |
5604 | ||
5605 | If the specification is for a bitmap loaded from memory it must | |
5606 | contain `:width WIDTH', `:height HEIGHT', and `:data DATA', where | |
5607 | WIDTH and HEIGHT are integers > 0. DATA may be: | |
5608 | ||
5609 | 1. a string large enough to hold the bitmap data, i.e. it must | |
5610 | have a size >= (WIDTH + 7) / 8 * HEIGHT | |
5611 | ||
5612 | 2. a bool-vector of size >= WIDTH * HEIGHT | |
5613 | ||
5614 | 3. a vector of strings or bool-vectors, one for each line of the | |
5615 | bitmap. | |
5616 | ||
5be6c3b0 GM |
5617 | 4. A string containing an in-memory XBM file. WIDTH and HEIGHT |
5618 | may not be specified in this case because they are defined in the | |
5619 | XBM file. | |
5620 | ||
333b20bb GM |
5621 | Both the file and data forms may contain the additional entries |
5622 | `:background COLOR' and `:foreground COLOR'. If not present, | |
5623 | foreground and background of the frame on which the image is | |
e3130015 | 5624 | displayed is used. */ |
333b20bb GM |
5625 | |
5626 | static int | |
5627 | xbm_image_p (object) | |
5628 | Lisp_Object object; | |
5629 | { | |
5630 | struct image_keyword kw[XBM_LAST]; | |
177c0ea7 | 5631 | |
333b20bb | 5632 | bcopy (xbm_format, kw, sizeof kw); |
bfd2209f | 5633 | if (!parse_image_spec (object, kw, XBM_LAST, Qxbm)) |
333b20bb GM |
5634 | return 0; |
5635 | ||
5636 | xassert (EQ (kw[XBM_TYPE].value, Qxbm)); | |
5637 | ||
5638 | if (kw[XBM_FILE].count) | |
5639 | { | |
5640 | if (kw[XBM_WIDTH].count || kw[XBM_HEIGHT].count || kw[XBM_DATA].count) | |
5641 | return 0; | |
5642 | } | |
5be6c3b0 GM |
5643 | else if (kw[XBM_DATA].count && xbm_file_p (kw[XBM_DATA].value)) |
5644 | { | |
5645 | /* In-memory XBM file. */ | |
5646 | if (kw[XBM_WIDTH].count || kw[XBM_HEIGHT].count || kw[XBM_FILE].count) | |
5647 | return 0; | |
5648 | } | |
333b20bb GM |
5649 | else |
5650 | { | |
5651 | Lisp_Object data; | |
5652 | int width, height; | |
5653 | ||
5654 | /* Entries for `:width', `:height' and `:data' must be present. */ | |
5655 | if (!kw[XBM_WIDTH].count | |
5656 | || !kw[XBM_HEIGHT].count | |
5657 | || !kw[XBM_DATA].count) | |
5658 | return 0; | |
5659 | ||
5660 | data = kw[XBM_DATA].value; | |
5661 | width = XFASTINT (kw[XBM_WIDTH].value); | |
5662 | height = XFASTINT (kw[XBM_HEIGHT].value); | |
177c0ea7 | 5663 | |
333b20bb GM |
5664 | /* Check type of data, and width and height against contents of |
5665 | data. */ | |
5666 | if (VECTORP (data)) | |
5667 | { | |
5668 | int i; | |
177c0ea7 | 5669 | |
333b20bb GM |
5670 | /* Number of elements of the vector must be >= height. */ |
5671 | if (XVECTOR (data)->size < height) | |
5672 | return 0; | |
5673 | ||
5674 | /* Each string or bool-vector in data must be large enough | |
5675 | for one line of the image. */ | |
5676 | for (i = 0; i < height; ++i) | |
5677 | { | |
5678 | Lisp_Object elt = XVECTOR (data)->contents[i]; | |
5679 | ||
5680 | if (STRINGP (elt)) | |
5681 | { | |
d5db4077 | 5682 | if (SCHARS (elt) |
333b20bb GM |
5683 | < (width + BITS_PER_CHAR - 1) / BITS_PER_CHAR) |
5684 | return 0; | |
5685 | } | |
5686 | else if (BOOL_VECTOR_P (elt)) | |
5687 | { | |
5688 | if (XBOOL_VECTOR (elt)->size < width) | |
5689 | return 0; | |
5690 | } | |
5691 | else | |
5692 | return 0; | |
5693 | } | |
5694 | } | |
5695 | else if (STRINGP (data)) | |
5696 | { | |
d5db4077 | 5697 | if (SCHARS (data) |
333b20bb GM |
5698 | < (width + BITS_PER_CHAR - 1) / BITS_PER_CHAR * height) |
5699 | return 0; | |
5700 | } | |
5701 | else if (BOOL_VECTOR_P (data)) | |
5702 | { | |
5703 | if (XBOOL_VECTOR (data)->size < width * height) | |
5704 | return 0; | |
5705 | } | |
5706 | else | |
5707 | return 0; | |
5708 | } | |
5709 | ||
333b20bb GM |
5710 | return 1; |
5711 | } | |
5712 | ||
5713 | ||
5714 | /* Scan a bitmap file. FP is the stream to read from. Value is | |
5715 | either an enumerator from enum xbm_token, or a character for a | |
5716 | single-character token, or 0 at end of file. If scanning an | |
5717 | identifier, store the lexeme of the identifier in SVAL. If | |
5718 | scanning a number, store its value in *IVAL. */ | |
5719 | ||
5720 | static int | |
5be6c3b0 GM |
5721 | xbm_scan (s, end, sval, ival) |
5722 | char **s, *end; | |
333b20bb GM |
5723 | char *sval; |
5724 | int *ival; | |
5725 | { | |
5726 | int c; | |
0a695da7 GM |
5727 | |
5728 | loop: | |
177c0ea7 | 5729 | |
333b20bb | 5730 | /* Skip white space. */ |
5be6c3b0 | 5731 | while (*s < end && (c = *(*s)++, isspace (c))) |
333b20bb GM |
5732 | ; |
5733 | ||
5be6c3b0 | 5734 | if (*s >= end) |
333b20bb GM |
5735 | c = 0; |
5736 | else if (isdigit (c)) | |
5737 | { | |
5738 | int value = 0, digit; | |
177c0ea7 | 5739 | |
5be6c3b0 | 5740 | if (c == '0' && *s < end) |
333b20bb | 5741 | { |
5be6c3b0 | 5742 | c = *(*s)++; |
333b20bb GM |
5743 | if (c == 'x' || c == 'X') |
5744 | { | |
5be6c3b0 | 5745 | while (*s < end) |
333b20bb | 5746 | { |
5be6c3b0 | 5747 | c = *(*s)++; |
333b20bb GM |
5748 | if (isdigit (c)) |
5749 | digit = c - '0'; | |
5750 | else if (c >= 'a' && c <= 'f') | |
5751 | digit = c - 'a' + 10; | |
5752 | else if (c >= 'A' && c <= 'F') | |
5753 | digit = c - 'A' + 10; | |
5754 | else | |
5755 | break; | |
5756 | value = 16 * value + digit; | |
5757 | } | |
5758 | } | |
5759 | else if (isdigit (c)) | |
5760 | { | |
5761 | value = c - '0'; | |
5be6c3b0 GM |
5762 | while (*s < end |
5763 | && (c = *(*s)++, isdigit (c))) | |
333b20bb GM |
5764 | value = 8 * value + c - '0'; |
5765 | } | |
5766 | } | |
5767 | else | |
5768 | { | |
5769 | value = c - '0'; | |
5be6c3b0 GM |
5770 | while (*s < end |
5771 | && (c = *(*s)++, isdigit (c))) | |
333b20bb GM |
5772 | value = 10 * value + c - '0'; |
5773 | } | |
5774 | ||
5be6c3b0 GM |
5775 | if (*s < end) |
5776 | *s = *s - 1; | |
333b20bb GM |
5777 | *ival = value; |
5778 | c = XBM_TK_NUMBER; | |
5779 | } | |
5780 | else if (isalpha (c) || c == '_') | |
5781 | { | |
5782 | *sval++ = c; | |
5be6c3b0 GM |
5783 | while (*s < end |
5784 | && (c = *(*s)++, (isalnum (c) || c == '_'))) | |
333b20bb GM |
5785 | *sval++ = c; |
5786 | *sval = 0; | |
5be6c3b0 GM |
5787 | if (*s < end) |
5788 | *s = *s - 1; | |
333b20bb GM |
5789 | c = XBM_TK_IDENT; |
5790 | } | |
0a695da7 GM |
5791 | else if (c == '/' && **s == '*') |
5792 | { | |
5793 | /* C-style comment. */ | |
5794 | ++*s; | |
5795 | while (**s && (**s != '*' || *(*s + 1) != '/')) | |
5796 | ++*s; | |
5797 | if (**s) | |
5798 | { | |
5799 | *s += 2; | |
5800 | goto loop; | |
5801 | } | |
5802 | } | |
333b20bb GM |
5803 | |
5804 | return c; | |
5805 | } | |
5806 | ||
5807 | ||
5808 | /* Replacement for XReadBitmapFileData which isn't available under old | |
5be6c3b0 GM |
5809 | X versions. CONTENTS is a pointer to a buffer to parse; END is the |
5810 | buffer's end. Set *WIDTH and *HEIGHT to the width and height of | |
5811 | the image. Return in *DATA the bitmap data allocated with xmalloc. | |
5812 | Value is non-zero if successful. DATA null means just test if | |
b243755a | 5813 | CONTENTS looks like an in-memory XBM file. */ |
333b20bb GM |
5814 | |
5815 | static int | |
5be6c3b0 GM |
5816 | xbm_read_bitmap_data (contents, end, width, height, data) |
5817 | char *contents, *end; | |
333b20bb GM |
5818 | int *width, *height; |
5819 | unsigned char **data; | |
5820 | { | |
5be6c3b0 | 5821 | char *s = contents; |
333b20bb GM |
5822 | char buffer[BUFSIZ]; |
5823 | int padding_p = 0; | |
5824 | int v10 = 0; | |
5825 | int bytes_per_line, i, nbytes; | |
5826 | unsigned char *p; | |
5827 | int value; | |
5828 | int LA1; | |
5829 | ||
5830 | #define match() \ | |
5be6c3b0 | 5831 | LA1 = xbm_scan (&s, end, buffer, &value) |
333b20bb GM |
5832 | |
5833 | #define expect(TOKEN) \ | |
5834 | if (LA1 != (TOKEN)) \ | |
5835 | goto failure; \ | |
5836 | else \ | |
177c0ea7 | 5837 | match () |
333b20bb GM |
5838 | |
5839 | #define expect_ident(IDENT) \ | |
5840 | if (LA1 == XBM_TK_IDENT && strcmp (buffer, (IDENT)) == 0) \ | |
5841 | match (); \ | |
5842 | else \ | |
5843 | goto failure | |
5844 | ||
333b20bb | 5845 | *width = *height = -1; |
5be6c3b0 GM |
5846 | if (data) |
5847 | *data = NULL; | |
5848 | LA1 = xbm_scan (&s, end, buffer, &value); | |
333b20bb GM |
5849 | |
5850 | /* Parse defines for width, height and hot-spots. */ | |
5851 | while (LA1 == '#') | |
5852 | { | |
333b20bb GM |
5853 | match (); |
5854 | expect_ident ("define"); | |
5855 | expect (XBM_TK_IDENT); | |
5856 | ||
5857 | if (LA1 == XBM_TK_NUMBER); | |
5858 | { | |
5859 | char *p = strrchr (buffer, '_'); | |
5860 | p = p ? p + 1 : buffer; | |
5861 | if (strcmp (p, "width") == 0) | |
5862 | *width = value; | |
5863 | else if (strcmp (p, "height") == 0) | |
5864 | *height = value; | |
5865 | } | |
5866 | expect (XBM_TK_NUMBER); | |
5867 | } | |
5868 | ||
5869 | if (*width < 0 || *height < 0) | |
5870 | goto failure; | |
5be6c3b0 GM |
5871 | else if (data == NULL) |
5872 | goto success; | |
333b20bb GM |
5873 | |
5874 | /* Parse bits. Must start with `static'. */ | |
5875 | expect_ident ("static"); | |
5876 | if (LA1 == XBM_TK_IDENT) | |
5877 | { | |
5878 | if (strcmp (buffer, "unsigned") == 0) | |
5879 | { | |
177c0ea7 | 5880 | match (); |
333b20bb GM |
5881 | expect_ident ("char"); |
5882 | } | |
5883 | else if (strcmp (buffer, "short") == 0) | |
5884 | { | |
5885 | match (); | |
5886 | v10 = 1; | |
5887 | if (*width % 16 && *width % 16 < 9) | |
5888 | padding_p = 1; | |
5889 | } | |
5890 | else if (strcmp (buffer, "char") == 0) | |
5891 | match (); | |
5892 | else | |
5893 | goto failure; | |
5894 | } | |
177c0ea7 | 5895 | else |
333b20bb GM |
5896 | goto failure; |
5897 | ||
5898 | expect (XBM_TK_IDENT); | |
5899 | expect ('['); | |
5900 | expect (']'); | |
5901 | expect ('='); | |
5902 | expect ('{'); | |
5903 | ||
5904 | bytes_per_line = (*width + 7) / 8 + padding_p; | |
5905 | nbytes = bytes_per_line * *height; | |
5906 | p = *data = (char *) xmalloc (nbytes); | |
5907 | ||
5908 | if (v10) | |
5909 | { | |
333b20bb GM |
5910 | for (i = 0; i < nbytes; i += 2) |
5911 | { | |
5912 | int val = value; | |
5913 | expect (XBM_TK_NUMBER); | |
5914 | ||
5915 | *p++ = val; | |
5916 | if (!padding_p || ((i + 2) % bytes_per_line)) | |
5917 | *p++ = value >> 8; | |
177c0ea7 | 5918 | |
333b20bb GM |
5919 | if (LA1 == ',' || LA1 == '}') |
5920 | match (); | |
5921 | else | |
5922 | goto failure; | |
5923 | } | |
5924 | } | |
5925 | else | |
5926 | { | |
5927 | for (i = 0; i < nbytes; ++i) | |
5928 | { | |
5929 | int val = value; | |
5930 | expect (XBM_TK_NUMBER); | |
177c0ea7 | 5931 | |
333b20bb | 5932 | *p++ = val; |
177c0ea7 | 5933 | |
333b20bb GM |
5934 | if (LA1 == ',' || LA1 == '}') |
5935 | match (); | |
5936 | else | |
5937 | goto failure; | |
5938 | } | |
5939 | } | |
5940 | ||
5be6c3b0 | 5941 | success: |
333b20bb GM |
5942 | return 1; |
5943 | ||
5944 | failure: | |
177c0ea7 | 5945 | |
5be6c3b0 | 5946 | if (data && *data) |
333b20bb GM |
5947 | { |
5948 | xfree (*data); | |
5949 | *data = NULL; | |
5950 | } | |
5951 | return 0; | |
5952 | ||
5953 | #undef match | |
5954 | #undef expect | |
5955 | #undef expect_ident | |
5956 | } | |
5957 | ||
5958 | ||
5be6c3b0 GM |
5959 | /* Load XBM image IMG which will be displayed on frame F from buffer |
5960 | CONTENTS. END is the end of the buffer. Value is non-zero if | |
5961 | successful. */ | |
333b20bb GM |
5962 | |
5963 | static int | |
5be6c3b0 | 5964 | xbm_load_image (f, img, contents, end) |
333b20bb GM |
5965 | struct frame *f; |
5966 | struct image *img; | |
5be6c3b0 | 5967 | char *contents, *end; |
333b20bb GM |
5968 | { |
5969 | int rc; | |
5970 | unsigned char *data; | |
5971 | int success_p = 0; | |
177c0ea7 | 5972 | |
5be6c3b0 | 5973 | rc = xbm_read_bitmap_data (contents, end, &img->width, &img->height, &data); |
333b20bb GM |
5974 | if (rc) |
5975 | { | |
5976 | int depth = DefaultDepthOfScreen (FRAME_X_SCREEN (f)); | |
5977 | unsigned long foreground = FRAME_FOREGROUND_PIXEL (f); | |
5978 | unsigned long background = FRAME_BACKGROUND_PIXEL (f); | |
5979 | Lisp_Object value; | |
177c0ea7 | 5980 | |
333b20bb GM |
5981 | xassert (img->width > 0 && img->height > 0); |
5982 | ||
5983 | /* Get foreground and background colors, maybe allocate colors. */ | |
5984 | value = image_spec_value (img->spec, QCforeground, NULL); | |
5985 | if (!NILP (value)) | |
5986 | foreground = x_alloc_image_color (f, img, value, foreground); | |
333b20bb GM |
5987 | value = image_spec_value (img->spec, QCbackground, NULL); |
5988 | if (!NILP (value)) | |
f20a3b7a MB |
5989 | { |
5990 | background = x_alloc_image_color (f, img, value, background); | |
5991 | img->background = background; | |
5992 | img->background_valid = 1; | |
5993 | } | |
333b20bb | 5994 | |
333b20bb GM |
5995 | img->pixmap |
5996 | = XCreatePixmapFromBitmapData (FRAME_X_DISPLAY (f), | |
5997 | FRAME_X_WINDOW (f), | |
5998 | data, | |
5999 | img->width, img->height, | |
6000 | foreground, background, | |
6001 | depth); | |
6002 | xfree (data); | |
6003 | ||
dd00328a | 6004 | if (img->pixmap == None) |
333b20bb GM |
6005 | { |
6006 | x_clear_image (f, img); | |
5be6c3b0 | 6007 | image_error ("Unable to create X pixmap for `%s'", img->spec, Qnil); |
333b20bb GM |
6008 | } |
6009 | else | |
6010 | success_p = 1; | |
333b20bb GM |
6011 | } |
6012 | else | |
45158a91 | 6013 | image_error ("Error loading XBM image `%s'", img->spec, Qnil); |
333b20bb | 6014 | |
333b20bb GM |
6015 | return success_p; |
6016 | } | |
6017 | ||
6018 | ||
5be6c3b0 GM |
6019 | /* Value is non-zero if DATA looks like an in-memory XBM file. */ |
6020 | ||
6021 | static int | |
6022 | xbm_file_p (data) | |
6023 | Lisp_Object data; | |
6024 | { | |
6025 | int w, h; | |
6026 | return (STRINGP (data) | |
d5db4077 KR |
6027 | && xbm_read_bitmap_data (SDATA (data), |
6028 | (SDATA (data) | |
6029 | + SBYTES (data)), | |
5be6c3b0 GM |
6030 | &w, &h, NULL)); |
6031 | } | |
6032 | ||
177c0ea7 | 6033 | |
333b20bb GM |
6034 | /* Fill image IMG which is used on frame F with pixmap data. Value is |
6035 | non-zero if successful. */ | |
6036 | ||
6037 | static int | |
6038 | xbm_load (f, img) | |
6039 | struct frame *f; | |
6040 | struct image *img; | |
6041 | { | |
6042 | int success_p = 0; | |
6043 | Lisp_Object file_name; | |
6044 | ||
6045 | xassert (xbm_image_p (img->spec)); | |
6046 | ||
6047 | /* If IMG->spec specifies a file name, create a non-file spec from it. */ | |
6048 | file_name = image_spec_value (img->spec, QCfile, NULL); | |
6049 | if (STRINGP (file_name)) | |
5be6c3b0 GM |
6050 | { |
6051 | Lisp_Object file; | |
6052 | char *contents; | |
6053 | int size; | |
6054 | struct gcpro gcpro1; | |
177c0ea7 | 6055 | |
5be6c3b0 GM |
6056 | file = x_find_image_file (file_name); |
6057 | GCPRO1 (file); | |
6058 | if (!STRINGP (file)) | |
6059 | { | |
6060 | image_error ("Cannot find image file `%s'", file_name, Qnil); | |
6061 | UNGCPRO; | |
6062 | return 0; | |
6063 | } | |
6064 | ||
d5db4077 | 6065 | contents = slurp_file (SDATA (file), &size); |
5be6c3b0 GM |
6066 | if (contents == NULL) |
6067 | { | |
6068 | image_error ("Error loading XBM image `%s'", img->spec, Qnil); | |
6069 | UNGCPRO; | |
6070 | return 0; | |
6071 | } | |
6072 | ||
6073 | success_p = xbm_load_image (f, img, contents, contents + size); | |
6074 | UNGCPRO; | |
6075 | } | |
333b20bb GM |
6076 | else |
6077 | { | |
6078 | struct image_keyword fmt[XBM_LAST]; | |
6079 | Lisp_Object data; | |
6080 | int depth; | |
6081 | unsigned long foreground = FRAME_FOREGROUND_PIXEL (f); | |
6082 | unsigned long background = FRAME_BACKGROUND_PIXEL (f); | |
6083 | char *bits; | |
9b207e8e | 6084 | int parsed_p; |
5be6c3b0 GM |
6085 | int in_memory_file_p = 0; |
6086 | ||
6087 | /* See if data looks like an in-memory XBM file. */ | |
6088 | data = image_spec_value (img->spec, QCdata, NULL); | |
6089 | in_memory_file_p = xbm_file_p (data); | |
333b20bb | 6090 | |
5be6c3b0 | 6091 | /* Parse the image specification. */ |
333b20bb | 6092 | bcopy (xbm_format, fmt, sizeof fmt); |
bfd2209f | 6093 | parsed_p = parse_image_spec (img->spec, fmt, XBM_LAST, Qxbm); |
333b20bb GM |
6094 | xassert (parsed_p); |
6095 | ||
6096 | /* Get specified width, and height. */ | |
5be6c3b0 GM |
6097 | if (!in_memory_file_p) |
6098 | { | |
6099 | img->width = XFASTINT (fmt[XBM_WIDTH].value); | |
6100 | img->height = XFASTINT (fmt[XBM_HEIGHT].value); | |
6101 | xassert (img->width > 0 && img->height > 0); | |
6102 | } | |
333b20bb | 6103 | |
333b20bb | 6104 | /* Get foreground and background colors, maybe allocate colors. */ |
6f1be3b9 GM |
6105 | if (fmt[XBM_FOREGROUND].count |
6106 | && STRINGP (fmt[XBM_FOREGROUND].value)) | |
333b20bb GM |
6107 | foreground = x_alloc_image_color (f, img, fmt[XBM_FOREGROUND].value, |
6108 | foreground); | |
6f1be3b9 GM |
6109 | if (fmt[XBM_BACKGROUND].count |
6110 | && STRINGP (fmt[XBM_BACKGROUND].value)) | |
333b20bb GM |
6111 | background = x_alloc_image_color (f, img, fmt[XBM_BACKGROUND].value, |
6112 | background); | |
6113 | ||
5be6c3b0 | 6114 | if (in_memory_file_p) |
d5db4077 KR |
6115 | success_p = xbm_load_image (f, img, SDATA (data), |
6116 | (SDATA (data) | |
6117 | + SBYTES (data))); | |
5be6c3b0 | 6118 | else |
333b20bb | 6119 | { |
5be6c3b0 GM |
6120 | if (VECTORP (data)) |
6121 | { | |
6122 | int i; | |
6123 | char *p; | |
6124 | int nbytes = (img->width + BITS_PER_CHAR - 1) / BITS_PER_CHAR; | |
177c0ea7 | 6125 | |
5be6c3b0 GM |
6126 | p = bits = (char *) alloca (nbytes * img->height); |
6127 | for (i = 0; i < img->height; ++i, p += nbytes) | |
6128 | { | |
6129 | Lisp_Object line = XVECTOR (data)->contents[i]; | |
6130 | if (STRINGP (line)) | |
d5db4077 | 6131 | bcopy (SDATA (line), p, nbytes); |
5be6c3b0 GM |
6132 | else |
6133 | bcopy (XBOOL_VECTOR (line)->data, p, nbytes); | |
6134 | } | |
6135 | } | |
6136 | else if (STRINGP (data)) | |
d5db4077 | 6137 | bits = SDATA (data); |
5be6c3b0 GM |
6138 | else |
6139 | bits = XBOOL_VECTOR (data)->data; | |
6140 | ||
6141 | /* Create the pixmap. */ | |
6142 | depth = DefaultDepthOfScreen (FRAME_X_SCREEN (f)); | |
6143 | img->pixmap | |
6144 | = XCreatePixmapFromBitmapData (FRAME_X_DISPLAY (f), | |
6145 | FRAME_X_WINDOW (f), | |
6146 | bits, | |
6147 | img->width, img->height, | |
6148 | foreground, background, | |
6149 | depth); | |
6150 | if (img->pixmap) | |
6151 | success_p = 1; | |
6152 | else | |
333b20bb | 6153 | { |
5be6c3b0 GM |
6154 | image_error ("Unable to create pixmap for XBM image `%s'", |
6155 | img->spec, Qnil); | |
6156 | x_clear_image (f, img); | |
333b20bb GM |
6157 | } |
6158 | } | |
333b20bb GM |
6159 | } |
6160 | ||
6161 | return success_p; | |
6162 | } | |
177c0ea7 | 6163 | |
333b20bb GM |
6164 | |
6165 | \f | |
6166 | /*********************************************************************** | |
6167 | XPM images | |
6168 | ***********************************************************************/ | |
6169 | ||
177c0ea7 | 6170 | #if HAVE_XPM |
333b20bb GM |
6171 | |
6172 | static int xpm_image_p P_ ((Lisp_Object object)); | |
6173 | static int xpm_load P_ ((struct frame *f, struct image *img)); | |
6174 | static int xpm_valid_color_symbols_p P_ ((Lisp_Object)); | |
6175 | ||
6176 | #include "X11/xpm.h" | |
6177 | ||
6178 | /* The symbol `xpm' identifying XPM-format images. */ | |
6179 | ||
6180 | Lisp_Object Qxpm; | |
6181 | ||
6182 | /* Indices of image specification fields in xpm_format, below. */ | |
6183 | ||
6184 | enum xpm_keyword_index | |
6185 | { | |
6186 | XPM_TYPE, | |
6187 | XPM_FILE, | |
6188 | XPM_DATA, | |
6189 | XPM_ASCENT, | |
6190 | XPM_MARGIN, | |
6191 | XPM_RELIEF, | |
6192 | XPM_ALGORITHM, | |
6193 | XPM_HEURISTIC_MASK, | |
4a8e312c | 6194 | XPM_MASK, |
333b20bb | 6195 | XPM_COLOR_SYMBOLS, |
f20a3b7a | 6196 | XPM_BACKGROUND, |
333b20bb GM |
6197 | XPM_LAST |
6198 | }; | |
6199 | ||
6200 | /* Vector of image_keyword structures describing the format | |
6201 | of valid XPM image specifications. */ | |
6202 | ||
6203 | static struct image_keyword xpm_format[XPM_LAST] = | |
6204 | { | |
6205 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
6206 | {":file", IMAGE_STRING_VALUE, 0}, | |
6207 | {":data", IMAGE_STRING_VALUE, 0}, | |
7c7ff7f5 | 6208 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
3ed61e75 | 6209 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
333b20bb | 6210 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
d2dc8167 | 6211 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
333b20bb | 6212 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
4a8e312c | 6213 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
f20a3b7a MB |
6214 | {":color-symbols", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
6215 | {":background", IMAGE_STRING_OR_NIL_VALUE, 0} | |
333b20bb GM |
6216 | }; |
6217 | ||
6218 | /* Structure describing the image type XBM. */ | |
6219 | ||
6220 | static struct image_type xpm_type = | |
6221 | { | |
6222 | &Qxpm, | |
6223 | xpm_image_p, | |
6224 | xpm_load, | |
6225 | x_clear_image, | |
6226 | NULL | |
6227 | }; | |
6228 | ||
6229 | ||
b243755a GM |
6230 | /* Define ALLOC_XPM_COLORS if we can use Emacs' own color allocation |
6231 | functions for allocating image colors. Our own functions handle | |
6232 | color allocation failures more gracefully than the ones on the XPM | |
6233 | lib. */ | |
6234 | ||
6235 | #if defined XpmAllocColor && defined XpmFreeColors && defined XpmColorClosure | |
6236 | #define ALLOC_XPM_COLORS | |
6237 | #endif | |
6238 | ||
6239 | #ifdef ALLOC_XPM_COLORS | |
6240 | ||
f72c62ad | 6241 | static void xpm_init_color_cache P_ ((struct frame *, XpmAttributes *)); |
b243755a GM |
6242 | static void xpm_free_color_cache P_ ((void)); |
6243 | static int xpm_lookup_color P_ ((struct frame *, char *, XColor *)); | |
f72c62ad GM |
6244 | static int xpm_color_bucket P_ ((char *)); |
6245 | static struct xpm_cached_color *xpm_cache_color P_ ((struct frame *, char *, | |
6246 | XColor *, int)); | |
b243755a GM |
6247 | |
6248 | /* An entry in a hash table used to cache color definitions of named | |
6249 | colors. This cache is necessary to speed up XPM image loading in | |
6250 | case we do color allocations ourselves. Without it, we would need | |
6251 | a call to XParseColor per pixel in the image. */ | |
6252 | ||
6253 | struct xpm_cached_color | |
6254 | { | |
6255 | /* Next in collision chain. */ | |
6256 | struct xpm_cached_color *next; | |
6257 | ||
6258 | /* Color definition (RGB and pixel color). */ | |
6259 | XColor color; | |
6260 | ||
6261 | /* Color name. */ | |
6262 | char name[1]; | |
6263 | }; | |
6264 | ||
6265 | /* The hash table used for the color cache, and its bucket vector | |
6266 | size. */ | |
6267 | ||
6268 | #define XPM_COLOR_CACHE_BUCKETS 1001 | |
6269 | struct xpm_cached_color **xpm_color_cache; | |
6270 | ||
b243755a GM |
6271 | /* Initialize the color cache. */ |
6272 | ||
6273 | static void | |
f72c62ad GM |
6274 | xpm_init_color_cache (f, attrs) |
6275 | struct frame *f; | |
6276 | XpmAttributes *attrs; | |
b243755a GM |
6277 | { |
6278 | size_t nbytes = XPM_COLOR_CACHE_BUCKETS * sizeof *xpm_color_cache; | |
6279 | xpm_color_cache = (struct xpm_cached_color **) xmalloc (nbytes); | |
6280 | memset (xpm_color_cache, 0, nbytes); | |
6281 | init_color_table (); | |
f72c62ad GM |
6282 | |
6283 | if (attrs->valuemask & XpmColorSymbols) | |
6284 | { | |
6285 | int i; | |
6286 | XColor color; | |
177c0ea7 | 6287 | |
f72c62ad GM |
6288 | for (i = 0; i < attrs->numsymbols; ++i) |
6289 | if (XParseColor (FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), | |
6290 | attrs->colorsymbols[i].value, &color)) | |
6291 | { | |
6292 | color.pixel = lookup_rgb_color (f, color.red, color.green, | |
6293 | color.blue); | |
6294 | xpm_cache_color (f, attrs->colorsymbols[i].name, &color, -1); | |
6295 | } | |
6296 | } | |
b243755a GM |
6297 | } |
6298 | ||
6299 | ||
6300 | /* Free the color cache. */ | |
6301 | ||
6302 | static void | |
6303 | xpm_free_color_cache () | |
6304 | { | |
6305 | struct xpm_cached_color *p, *next; | |
6306 | int i; | |
6307 | ||
6308 | for (i = 0; i < XPM_COLOR_CACHE_BUCKETS; ++i) | |
6309 | for (p = xpm_color_cache[i]; p; p = next) | |
6310 | { | |
6311 | next = p->next; | |
6312 | xfree (p); | |
6313 | } | |
6314 | ||
6315 | xfree (xpm_color_cache); | |
6316 | xpm_color_cache = NULL; | |
6317 | free_color_table (); | |
6318 | } | |
6319 | ||
6320 | ||
f72c62ad GM |
6321 | /* Return the bucket index for color named COLOR_NAME in the color |
6322 | cache. */ | |
6323 | ||
6324 | static int | |
6325 | xpm_color_bucket (color_name) | |
6326 | char *color_name; | |
6327 | { | |
6328 | unsigned h = 0; | |
6329 | char *s; | |
177c0ea7 | 6330 | |
f72c62ad GM |
6331 | for (s = color_name; *s; ++s) |
6332 | h = (h << 2) ^ *s; | |
6333 | return h %= XPM_COLOR_CACHE_BUCKETS; | |
6334 | } | |
6335 | ||
6336 | ||
6337 | /* On frame F, cache values COLOR for color with name COLOR_NAME. | |
6338 | BUCKET, if >= 0, is a precomputed bucket index. Value is the cache | |
6339 | entry added. */ | |
6340 | ||
6341 | static struct xpm_cached_color * | |
6342 | xpm_cache_color (f, color_name, color, bucket) | |
6343 | struct frame *f; | |
6344 | char *color_name; | |
6345 | XColor *color; | |
6346 | int bucket; | |
6347 | { | |
6348 | size_t nbytes; | |
6349 | struct xpm_cached_color *p; | |
177c0ea7 | 6350 | |
f72c62ad GM |
6351 | if (bucket < 0) |
6352 | bucket = xpm_color_bucket (color_name); | |
177c0ea7 | 6353 | |
f72c62ad GM |
6354 | nbytes = sizeof *p + strlen (color_name); |
6355 | p = (struct xpm_cached_color *) xmalloc (nbytes); | |
6356 | strcpy (p->name, color_name); | |
6357 | p->color = *color; | |
6358 | p->next = xpm_color_cache[bucket]; | |
6359 | xpm_color_cache[bucket] = p; | |
6360 | return p; | |
6361 | } | |
6362 | ||
6363 | ||
b243755a GM |
6364 | /* Look up color COLOR_NAME for frame F in the color cache. If found, |
6365 | return the cached definition in *COLOR. Otherwise, make a new | |
6366 | entry in the cache and allocate the color. Value is zero if color | |
6367 | allocation failed. */ | |
6368 | ||
6369 | static int | |
6370 | xpm_lookup_color (f, color_name, color) | |
6371 | struct frame *f; | |
6372 | char *color_name; | |
6373 | XColor *color; | |
6374 | { | |
b243755a | 6375 | struct xpm_cached_color *p; |
83676598 | 6376 | int h = xpm_color_bucket (color_name); |
b243755a GM |
6377 | |
6378 | for (p = xpm_color_cache[h]; p; p = p->next) | |
6379 | if (strcmp (p->name, color_name) == 0) | |
6380 | break; | |
6381 | ||
6382 | if (p != NULL) | |
6383 | *color = p->color; | |
6384 | else if (XParseColor (FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), | |
6385 | color_name, color)) | |
6386 | { | |
b243755a GM |
6387 | color->pixel = lookup_rgb_color (f, color->red, color->green, |
6388 | color->blue); | |
f72c62ad | 6389 | p = xpm_cache_color (f, color_name, color, h); |
b243755a | 6390 | } |
9b8a0941 DL |
6391 | /* You get `opaque' at least from ImageMagick converting pbm to xpm |
6392 | with transparency, and it's useful. */ | |
6393 | else if (strcmp ("opaque", color_name) == 0) | |
6394 | { | |
6395 | bzero (color, sizeof (XColor)); /* Is this necessary/correct? */ | |
6396 | color->pixel = FRAME_FOREGROUND_PIXEL (f); | |
6397 | p = xpm_cache_color (f, color_name, color, h); | |
6398 | } | |
177c0ea7 | 6399 | |
b243755a GM |
6400 | return p != NULL; |
6401 | } | |
6402 | ||
6403 | ||
6404 | /* Callback for allocating color COLOR_NAME. Called from the XPM lib. | |
6405 | CLOSURE is a pointer to the frame on which we allocate the | |
6406 | color. Return in *COLOR the allocated color. Value is non-zero | |
6407 | if successful. */ | |
6408 | ||
6409 | static int | |
6410 | xpm_alloc_color (dpy, cmap, color_name, color, closure) | |
6411 | Display *dpy; | |
6412 | Colormap cmap; | |
6413 | char *color_name; | |
6414 | XColor *color; | |
6415 | void *closure; | |
6416 | { | |
6417 | return xpm_lookup_color ((struct frame *) closure, color_name, color); | |
6418 | } | |
6419 | ||
6420 | ||
6421 | /* Callback for freeing NPIXELS colors contained in PIXELS. CLOSURE | |
6422 | is a pointer to the frame on which we allocate the color. Value is | |
6423 | non-zero if successful. */ | |
6424 | ||
6425 | static int | |
6426 | xpm_free_colors (dpy, cmap, pixels, npixels, closure) | |
6427 | Display *dpy; | |
6428 | Colormap cmap; | |
6429 | Pixel *pixels; | |
6430 | int npixels; | |
6431 | void *closure; | |
6432 | { | |
6433 | return 1; | |
6434 | } | |
6435 | ||
6436 | #endif /* ALLOC_XPM_COLORS */ | |
6437 | ||
6438 | ||
333b20bb GM |
6439 | /* Value is non-zero if COLOR_SYMBOLS is a valid color symbols list |
6440 | for XPM images. Such a list must consist of conses whose car and | |
6441 | cdr are strings. */ | |
6442 | ||
6443 | static int | |
6444 | xpm_valid_color_symbols_p (color_symbols) | |
6445 | Lisp_Object color_symbols; | |
6446 | { | |
6447 | while (CONSP (color_symbols)) | |
6448 | { | |
6449 | Lisp_Object sym = XCAR (color_symbols); | |
6450 | if (!CONSP (sym) | |
6451 | || !STRINGP (XCAR (sym)) | |
6452 | || !STRINGP (XCDR (sym))) | |
6453 | break; | |
6454 | color_symbols = XCDR (color_symbols); | |
6455 | } | |
6456 | ||
6457 | return NILP (color_symbols); | |
6458 | } | |
6459 | ||
6460 | ||
6461 | /* Value is non-zero if OBJECT is a valid XPM image specification. */ | |
6462 | ||
6463 | static int | |
6464 | xpm_image_p (object) | |
6465 | Lisp_Object object; | |
6466 | { | |
6467 | struct image_keyword fmt[XPM_LAST]; | |
6468 | bcopy (xpm_format, fmt, sizeof fmt); | |
bfd2209f | 6469 | return (parse_image_spec (object, fmt, XPM_LAST, Qxpm) |
333b20bb GM |
6470 | /* Either `:file' or `:data' must be present. */ |
6471 | && fmt[XPM_FILE].count + fmt[XPM_DATA].count == 1 | |
6472 | /* Either no `:color-symbols' or it's a list of conses | |
6473 | whose car and cdr are strings. */ | |
6474 | && (fmt[XPM_COLOR_SYMBOLS].count == 0 | |
7c7ff7f5 | 6475 | || xpm_valid_color_symbols_p (fmt[XPM_COLOR_SYMBOLS].value))); |
333b20bb GM |
6476 | } |
6477 | ||
6478 | ||
6479 | /* Load image IMG which will be displayed on frame F. Value is | |
6480 | non-zero if successful. */ | |
6481 | ||
6482 | static int | |
6483 | xpm_load (f, img) | |
6484 | struct frame *f; | |
6485 | struct image *img; | |
6486 | { | |
9b207e8e | 6487 | int rc; |
333b20bb GM |
6488 | XpmAttributes attrs; |
6489 | Lisp_Object specified_file, color_symbols; | |
6490 | ||
6491 | /* Configure the XPM lib. Use the visual of frame F. Allocate | |
6492 | close colors. Return colors allocated. */ | |
6493 | bzero (&attrs, sizeof attrs); | |
9b2956e2 GM |
6494 | attrs.visual = FRAME_X_VISUAL (f); |
6495 | attrs.colormap = FRAME_X_COLORMAP (f); | |
333b20bb | 6496 | attrs.valuemask |= XpmVisual; |
9b2956e2 | 6497 | attrs.valuemask |= XpmColormap; |
b243755a GM |
6498 | |
6499 | #ifdef ALLOC_XPM_COLORS | |
6500 | /* Allocate colors with our own functions which handle | |
6501 | failing color allocation more gracefully. */ | |
6502 | attrs.color_closure = f; | |
6503 | attrs.alloc_color = xpm_alloc_color; | |
6504 | attrs.free_colors = xpm_free_colors; | |
6505 | attrs.valuemask |= XpmAllocColor | XpmFreeColors | XpmColorClosure; | |
6506 | #else /* not ALLOC_XPM_COLORS */ | |
6507 | /* Let the XPM lib allocate colors. */ | |
333b20bb | 6508 | attrs.valuemask |= XpmReturnAllocPixels; |
e4c082be | 6509 | #ifdef XpmAllocCloseColors |
333b20bb GM |
6510 | attrs.alloc_close_colors = 1; |
6511 | attrs.valuemask |= XpmAllocCloseColors; | |
b243755a | 6512 | #else /* not XpmAllocCloseColors */ |
e4c082be RS |
6513 | attrs.closeness = 600; |
6514 | attrs.valuemask |= XpmCloseness; | |
b243755a GM |
6515 | #endif /* not XpmAllocCloseColors */ |
6516 | #endif /* ALLOC_XPM_COLORS */ | |
333b20bb GM |
6517 | |
6518 | /* If image specification contains symbolic color definitions, add | |
6519 | these to `attrs'. */ | |
6520 | color_symbols = image_spec_value (img->spec, QCcolor_symbols, NULL); | |
6521 | if (CONSP (color_symbols)) | |
6522 | { | |
6523 | Lisp_Object tail; | |
6524 | XpmColorSymbol *xpm_syms; | |
6525 | int i, size; | |
177c0ea7 | 6526 | |
333b20bb GM |
6527 | attrs.valuemask |= XpmColorSymbols; |
6528 | ||
6529 | /* Count number of symbols. */ | |
6530 | attrs.numsymbols = 0; | |
6531 | for (tail = color_symbols; CONSP (tail); tail = XCDR (tail)) | |
6532 | ++attrs.numsymbols; | |
6533 | ||
6534 | /* Allocate an XpmColorSymbol array. */ | |
6535 | size = attrs.numsymbols * sizeof *xpm_syms; | |
6536 | xpm_syms = (XpmColorSymbol *) alloca (size); | |
6537 | bzero (xpm_syms, size); | |
6538 | attrs.colorsymbols = xpm_syms; | |
6539 | ||
6540 | /* Fill the color symbol array. */ | |
6541 | for (tail = color_symbols, i = 0; | |
6542 | CONSP (tail); | |
6543 | ++i, tail = XCDR (tail)) | |
6544 | { | |
6545 | Lisp_Object name = XCAR (XCAR (tail)); | |
6546 | Lisp_Object color = XCDR (XCAR (tail)); | |
d5db4077 KR |
6547 | xpm_syms[i].name = (char *) alloca (SCHARS (name) + 1); |
6548 | strcpy (xpm_syms[i].name, SDATA (name)); | |
6549 | xpm_syms[i].value = (char *) alloca (SCHARS (color) + 1); | |
6550 | strcpy (xpm_syms[i].value, SDATA (color)); | |
333b20bb GM |
6551 | } |
6552 | } | |
6553 | ||
6554 | /* Create a pixmap for the image, either from a file, or from a | |
6555 | string buffer containing data in the same format as an XPM file. */ | |
b243755a | 6556 | #ifdef ALLOC_XPM_COLORS |
f72c62ad | 6557 | xpm_init_color_cache (f, &attrs); |
b243755a | 6558 | #endif |
177c0ea7 | 6559 | |
333b20bb GM |
6560 | specified_file = image_spec_value (img->spec, QCfile, NULL); |
6561 | if (STRINGP (specified_file)) | |
6562 | { | |
6563 | Lisp_Object file = x_find_image_file (specified_file); | |
6564 | if (!STRINGP (file)) | |
6565 | { | |
45158a91 | 6566 | image_error ("Cannot find image file `%s'", specified_file, Qnil); |
333b20bb GM |
6567 | return 0; |
6568 | } | |
177c0ea7 | 6569 | |
333b20bb | 6570 | rc = XpmReadFileToPixmap (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
d5db4077 | 6571 | SDATA (file), &img->pixmap, &img->mask, |
333b20bb GM |
6572 | &attrs); |
6573 | } | |
6574 | else | |
6575 | { | |
6576 | Lisp_Object buffer = image_spec_value (img->spec, QCdata, NULL); | |
6577 | rc = XpmCreatePixmapFromBuffer (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
d5db4077 | 6578 | SDATA (buffer), |
333b20bb GM |
6579 | &img->pixmap, &img->mask, |
6580 | &attrs); | |
6581 | } | |
333b20bb GM |
6582 | |
6583 | if (rc == XpmSuccess) | |
6584 | { | |
b243755a GM |
6585 | #ifdef ALLOC_XPM_COLORS |
6586 | img->colors = colors_in_color_table (&img->ncolors); | |
6587 | #else /* not ALLOC_XPM_COLORS */ | |
f47a9ec4 KR |
6588 | int i; |
6589 | ||
333b20bb GM |
6590 | img->ncolors = attrs.nalloc_pixels; |
6591 | img->colors = (unsigned long *) xmalloc (img->ncolors | |
6592 | * sizeof *img->colors); | |
6593 | for (i = 0; i < attrs.nalloc_pixels; ++i) | |
3b4ae1cc GM |
6594 | { |
6595 | img->colors[i] = attrs.alloc_pixels[i]; | |
6596 | #ifdef DEBUG_X_COLORS | |
6597 | register_color (img->colors[i]); | |
6598 | #endif | |
6599 | } | |
b243755a | 6600 | #endif /* not ALLOC_XPM_COLORS */ |
333b20bb GM |
6601 | |
6602 | img->width = attrs.width; | |
6603 | img->height = attrs.height; | |
6604 | xassert (img->width > 0 && img->height > 0); | |
6605 | ||
6606 | /* The call to XpmFreeAttributes below frees attrs.alloc_pixels. */ | |
333b20bb | 6607 | XpmFreeAttributes (&attrs); |
333b20bb GM |
6608 | } |
6609 | else | |
6610 | { | |
6611 | switch (rc) | |
6612 | { | |
6613 | case XpmOpenFailed: | |
6614 | image_error ("Error opening XPM file (%s)", img->spec, Qnil); | |
6615 | break; | |
177c0ea7 | 6616 | |
333b20bb GM |
6617 | case XpmFileInvalid: |
6618 | image_error ("Invalid XPM file (%s)", img->spec, Qnil); | |
6619 | break; | |
177c0ea7 | 6620 | |
333b20bb GM |
6621 | case XpmNoMemory: |
6622 | image_error ("Out of memory (%s)", img->spec, Qnil); | |
6623 | break; | |
177c0ea7 | 6624 | |
333b20bb GM |
6625 | case XpmColorFailed: |
6626 | image_error ("Color allocation error (%s)", img->spec, Qnil); | |
6627 | break; | |
177c0ea7 | 6628 | |
333b20bb GM |
6629 | default: |
6630 | image_error ("Unknown error (%s)", img->spec, Qnil); | |
6631 | break; | |
6632 | } | |
6633 | } | |
6634 | ||
b243755a GM |
6635 | #ifdef ALLOC_XPM_COLORS |
6636 | xpm_free_color_cache (); | |
6637 | #endif | |
333b20bb GM |
6638 | return rc == XpmSuccess; |
6639 | } | |
6640 | ||
6641 | #endif /* HAVE_XPM != 0 */ | |
6642 | ||
6643 | \f | |
6644 | /*********************************************************************** | |
6645 | Color table | |
6646 | ***********************************************************************/ | |
6647 | ||
6648 | /* An entry in the color table mapping an RGB color to a pixel color. */ | |
6649 | ||
6650 | struct ct_color | |
6651 | { | |
6652 | int r, g, b; | |
6653 | unsigned long pixel; | |
6654 | ||
6655 | /* Next in color table collision list. */ | |
6656 | struct ct_color *next; | |
6657 | }; | |
6658 | ||
6659 | /* The bucket vector size to use. Must be prime. */ | |
6660 | ||
6661 | #define CT_SIZE 101 | |
6662 | ||
6663 | /* Value is a hash of the RGB color given by R, G, and B. */ | |
6664 | ||
6665 | #define CT_HASH_RGB(R, G, B) (((R) << 16) ^ ((G) << 8) ^ (B)) | |
6666 | ||
6667 | /* The color hash table. */ | |
6668 | ||
6669 | struct ct_color **ct_table; | |
6670 | ||
6671 | /* Number of entries in the color table. */ | |
6672 | ||
6673 | int ct_colors_allocated; | |
6674 | ||
333b20bb GM |
6675 | /* Initialize the color table. */ |
6676 | ||
6677 | static void | |
6678 | init_color_table () | |
6679 | { | |
6680 | int size = CT_SIZE * sizeof (*ct_table); | |
6681 | ct_table = (struct ct_color **) xmalloc (size); | |
6682 | bzero (ct_table, size); | |
6683 | ct_colors_allocated = 0; | |
6684 | } | |
6685 | ||
6686 | ||
6687 | /* Free memory associated with the color table. */ | |
6688 | ||
6689 | static void | |
6690 | free_color_table () | |
6691 | { | |
6692 | int i; | |
6693 | struct ct_color *p, *next; | |
6694 | ||
6695 | for (i = 0; i < CT_SIZE; ++i) | |
6696 | for (p = ct_table[i]; p; p = next) | |
6697 | { | |
6698 | next = p->next; | |
6699 | xfree (p); | |
6700 | } | |
6701 | ||
6702 | xfree (ct_table); | |
6703 | ct_table = NULL; | |
6704 | } | |
6705 | ||
6706 | ||
6707 | /* Value is a pixel color for RGB color R, G, B on frame F. If an | |
6708 | entry for that color already is in the color table, return the | |
6709 | pixel color of that entry. Otherwise, allocate a new color for R, | |
6710 | G, B, and make an entry in the color table. */ | |
6711 | ||
6712 | static unsigned long | |
6713 | lookup_rgb_color (f, r, g, b) | |
6714 | struct frame *f; | |
6715 | int r, g, b; | |
6716 | { | |
6717 | unsigned hash = CT_HASH_RGB (r, g, b); | |
6718 | int i = hash % CT_SIZE; | |
6719 | struct ct_color *p; | |
e019878d | 6720 | |
333b20bb GM |
6721 | for (p = ct_table[i]; p; p = p->next) |
6722 | if (p->r == r && p->g == g && p->b == b) | |
6723 | break; | |
6724 | ||
6725 | if (p == NULL) | |
6726 | { | |
6727 | XColor color; | |
6728 | Colormap cmap; | |
6729 | int rc; | |
6730 | ||
6731 | color.red = r; | |
6732 | color.green = g; | |
6733 | color.blue = b; | |
177c0ea7 | 6734 | |
9b2956e2 | 6735 | cmap = FRAME_X_COLORMAP (f); |
d62c8769 | 6736 | rc = x_alloc_nearest_color (f, cmap, &color); |
333b20bb GM |
6737 | |
6738 | if (rc) | |
6739 | { | |
6740 | ++ct_colors_allocated; | |
177c0ea7 | 6741 | |
333b20bb GM |
6742 | p = (struct ct_color *) xmalloc (sizeof *p); |
6743 | p->r = r; | |
6744 | p->g = g; | |
6745 | p->b = b; | |
6746 | p->pixel = color.pixel; | |
6747 | p->next = ct_table[i]; | |
6748 | ct_table[i] = p; | |
6749 | } | |
6750 | else | |
6751 | return FRAME_FOREGROUND_PIXEL (f); | |
6752 | } | |
6753 | ||
6754 | return p->pixel; | |
6755 | } | |
6756 | ||
6757 | ||
6758 | /* Look up pixel color PIXEL which is used on frame F in the color | |
6759 | table. If not already present, allocate it. Value is PIXEL. */ | |
6760 | ||
6761 | static unsigned long | |
6762 | lookup_pixel_color (f, pixel) | |
6763 | struct frame *f; | |
6764 | unsigned long pixel; | |
6765 | { | |
6766 | int i = pixel % CT_SIZE; | |
6767 | struct ct_color *p; | |
6768 | ||
6769 | for (p = ct_table[i]; p; p = p->next) | |
6770 | if (p->pixel == pixel) | |
6771 | break; | |
6772 | ||
6773 | if (p == NULL) | |
6774 | { | |
6775 | XColor color; | |
6776 | Colormap cmap; | |
6777 | int rc; | |
6778 | ||
9b2956e2 | 6779 | cmap = FRAME_X_COLORMAP (f); |
333b20bb | 6780 | color.pixel = pixel; |
a31fedb7 | 6781 | x_query_color (f, &color); |
d62c8769 | 6782 | rc = x_alloc_nearest_color (f, cmap, &color); |
333b20bb GM |
6783 | |
6784 | if (rc) | |
6785 | { | |
6786 | ++ct_colors_allocated; | |
177c0ea7 | 6787 | |
333b20bb GM |
6788 | p = (struct ct_color *) xmalloc (sizeof *p); |
6789 | p->r = color.red; | |
6790 | p->g = color.green; | |
6791 | p->b = color.blue; | |
6792 | p->pixel = pixel; | |
6793 | p->next = ct_table[i]; | |
6794 | ct_table[i] = p; | |
6795 | } | |
6796 | else | |
6797 | return FRAME_FOREGROUND_PIXEL (f); | |
6798 | } | |
177c0ea7 | 6799 | |
333b20bb GM |
6800 | return p->pixel; |
6801 | } | |
6802 | ||
6803 | ||
6804 | /* Value is a vector of all pixel colors contained in the color table, | |
6805 | allocated via xmalloc. Set *N to the number of colors. */ | |
6806 | ||
6807 | static unsigned long * | |
6808 | colors_in_color_table (n) | |
6809 | int *n; | |
6810 | { | |
6811 | int i, j; | |
6812 | struct ct_color *p; | |
6813 | unsigned long *colors; | |
6814 | ||
6815 | if (ct_colors_allocated == 0) | |
6816 | { | |
6817 | *n = 0; | |
6818 | colors = NULL; | |
6819 | } | |
6820 | else | |
6821 | { | |
6822 | colors = (unsigned long *) xmalloc (ct_colors_allocated | |
6823 | * sizeof *colors); | |
6824 | *n = ct_colors_allocated; | |
177c0ea7 | 6825 | |
333b20bb GM |
6826 | for (i = j = 0; i < CT_SIZE; ++i) |
6827 | for (p = ct_table[i]; p; p = p->next) | |
6828 | colors[j++] = p->pixel; | |
6829 | } | |
6830 | ||
6831 | return colors; | |
6832 | } | |
6833 | ||
6834 | ||
6835 | \f | |
6836 | /*********************************************************************** | |
6837 | Algorithms | |
6838 | ***********************************************************************/ | |
6839 | ||
4a8e312c GM |
6840 | static XColor *x_to_xcolors P_ ((struct frame *, struct image *, int)); |
6841 | static void x_from_xcolors P_ ((struct frame *, struct image *, XColor *)); | |
6842 | static void x_detect_edges P_ ((struct frame *, struct image *, int[9], int)); | |
6843 | ||
d2dc8167 | 6844 | /* Non-zero means draw a cross on images having `:conversion |
14819cb3 GM |
6845 | disabled'. */ |
6846 | ||
6847 | int cross_disabled_images; | |
6848 | ||
4a8e312c GM |
6849 | /* Edge detection matrices for different edge-detection |
6850 | strategies. */ | |
6851 | ||
6852 | static int emboss_matrix[9] = { | |
6853 | /* x - 1 x x + 1 */ | |
6854 | 2, -1, 0, /* y - 1 */ | |
6855 | -1, 0, 1, /* y */ | |
6856 | 0, 1, -2 /* y + 1 */ | |
6857 | }; | |
333b20bb | 6858 | |
4a8e312c GM |
6859 | static int laplace_matrix[9] = { |
6860 | /* x - 1 x x + 1 */ | |
6861 | 1, 0, 0, /* y - 1 */ | |
6862 | 0, 0, 0, /* y */ | |
6863 | 0, 0, -1 /* y + 1 */ | |
6864 | }; | |
333b20bb | 6865 | |
14819cb3 GM |
6866 | /* Value is the intensity of the color whose red/green/blue values |
6867 | are R, G, and B. */ | |
6868 | ||
6869 | #define COLOR_INTENSITY(R, G, B) ((2 * (R) + 3 * (G) + (B)) / 6) | |
6870 | ||
333b20bb | 6871 | |
4a8e312c GM |
6872 | /* On frame F, return an array of XColor structures describing image |
6873 | IMG->pixmap. Each XColor structure has its pixel color set. RGB_P | |
6874 | non-zero means also fill the red/green/blue members of the XColor | |
6875 | structures. Value is a pointer to the array of XColors structures, | |
6876 | allocated with xmalloc; it must be freed by the caller. */ | |
6877 | ||
6878 | static XColor * | |
6879 | x_to_xcolors (f, img, rgb_p) | |
333b20bb | 6880 | struct frame *f; |
4a8e312c GM |
6881 | struct image *img; |
6882 | int rgb_p; | |
333b20bb | 6883 | { |
4a8e312c GM |
6884 | int x, y; |
6885 | XColor *colors, *p; | |
6886 | XImage *ximg; | |
333b20bb | 6887 | |
4a8e312c GM |
6888 | colors = (XColor *) xmalloc (img->width * img->height * sizeof *colors); |
6889 | ||
6890 | /* Get the X image IMG->pixmap. */ | |
6891 | ximg = XGetImage (FRAME_X_DISPLAY (f), img->pixmap, | |
6892 | 0, 0, img->width, img->height, ~0, ZPixmap); | |
333b20bb | 6893 | |
4a8e312c GM |
6894 | /* Fill the `pixel' members of the XColor array. I wished there |
6895 | were an easy and portable way to circumvent XGetPixel. */ | |
6896 | p = colors; | |
6897 | for (y = 0; y < img->height; ++y) | |
6898 | { | |
6899 | XColor *row = p; | |
177c0ea7 | 6900 | |
4a8e312c GM |
6901 | for (x = 0; x < img->width; ++x, ++p) |
6902 | p->pixel = XGetPixel (ximg, x, y); | |
6903 | ||
6904 | if (rgb_p) | |
a31fedb7 | 6905 | x_query_colors (f, row, img->width); |
4a8e312c GM |
6906 | } |
6907 | ||
6908 | XDestroyImage (ximg); | |
4a8e312c | 6909 | return colors; |
333b20bb GM |
6910 | } |
6911 | ||
6912 | ||
4a8e312c GM |
6913 | /* Create IMG->pixmap from an array COLORS of XColor structures, whose |
6914 | RGB members are set. F is the frame on which this all happens. | |
6915 | COLORS will be freed; an existing IMG->pixmap will be freed, too. */ | |
333b20bb GM |
6916 | |
6917 | static void | |
4a8e312c | 6918 | x_from_xcolors (f, img, colors) |
333b20bb | 6919 | struct frame *f; |
4a8e312c GM |
6920 | struct image *img; |
6921 | XColor *colors; | |
333b20bb | 6922 | { |
4a8e312c GM |
6923 | int x, y; |
6924 | XImage *oimg; | |
6925 | Pixmap pixmap; | |
6926 | XColor *p; | |
177c0ea7 | 6927 | |
4a8e312c | 6928 | init_color_table (); |
177c0ea7 | 6929 | |
4a8e312c GM |
6930 | x_create_x_image_and_pixmap (f, img->width, img->height, 0, |
6931 | &oimg, &pixmap); | |
6932 | p = colors; | |
6933 | for (y = 0; y < img->height; ++y) | |
6934 | for (x = 0; x < img->width; ++x, ++p) | |
6935 | { | |
6936 | unsigned long pixel; | |
6937 | pixel = lookup_rgb_color (f, p->red, p->green, p->blue); | |
6938 | XPutPixel (oimg, x, y, pixel); | |
6939 | } | |
6940 | ||
6941 | xfree (colors); | |
dd00328a | 6942 | x_clear_image_1 (f, img, 1, 0, 1); |
4a8e312c GM |
6943 | |
6944 | x_put_x_image (f, oimg, pixmap, img->width, img->height); | |
6945 | x_destroy_x_image (oimg); | |
6946 | img->pixmap = pixmap; | |
6947 | img->colors = colors_in_color_table (&img->ncolors); | |
6948 | free_color_table (); | |
333b20bb GM |
6949 | } |
6950 | ||
6951 | ||
4a8e312c GM |
6952 | /* On frame F, perform edge-detection on image IMG. |
6953 | ||
6954 | MATRIX is a nine-element array specifying the transformation | |
6955 | matrix. See emboss_matrix for an example. | |
177c0ea7 | 6956 | |
4a8e312c GM |
6957 | COLOR_ADJUST is a color adjustment added to each pixel of the |
6958 | outgoing image. */ | |
333b20bb GM |
6959 | |
6960 | static void | |
4a8e312c | 6961 | x_detect_edges (f, img, matrix, color_adjust) |
333b20bb GM |
6962 | struct frame *f; |
6963 | struct image *img; | |
4a8e312c | 6964 | int matrix[9], color_adjust; |
333b20bb | 6965 | { |
4a8e312c GM |
6966 | XColor *colors = x_to_xcolors (f, img, 1); |
6967 | XColor *new, *p; | |
6968 | int x, y, i, sum; | |
333b20bb | 6969 | |
4a8e312c GM |
6970 | for (i = sum = 0; i < 9; ++i) |
6971 | sum += abs (matrix[i]); | |
333b20bb | 6972 | |
4a8e312c | 6973 | #define COLOR(A, X, Y) ((A) + (Y) * img->width + (X)) |
333b20bb | 6974 | |
4a8e312c | 6975 | new = (XColor *) xmalloc (img->width * img->height * sizeof *new); |
333b20bb | 6976 | |
4a8e312c GM |
6977 | for (y = 0; y < img->height; ++y) |
6978 | { | |
6979 | p = COLOR (new, 0, y); | |
6980 | p->red = p->green = p->blue = 0xffff/2; | |
6981 | p = COLOR (new, img->width - 1, y); | |
6982 | p->red = p->green = p->blue = 0xffff/2; | |
6983 | } | |
177c0ea7 | 6984 | |
4a8e312c GM |
6985 | for (x = 1; x < img->width - 1; ++x) |
6986 | { | |
6987 | p = COLOR (new, x, 0); | |
6988 | p->red = p->green = p->blue = 0xffff/2; | |
6989 | p = COLOR (new, x, img->height - 1); | |
6990 | p->red = p->green = p->blue = 0xffff/2; | |
6991 | } | |
333b20bb | 6992 | |
4a8e312c | 6993 | for (y = 1; y < img->height - 1; ++y) |
333b20bb | 6994 | { |
4a8e312c | 6995 | p = COLOR (new, 1, y); |
177c0ea7 | 6996 | |
4a8e312c GM |
6997 | for (x = 1; x < img->width - 1; ++x, ++p) |
6998 | { | |
14819cb3 | 6999 | int r, g, b, y1, x1; |
4a8e312c GM |
7000 | |
7001 | r = g = b = i = 0; | |
7002 | for (y1 = y - 1; y1 < y + 2; ++y1) | |
7003 | for (x1 = x - 1; x1 < x + 2; ++x1, ++i) | |
7004 | if (matrix[i]) | |
7005 | { | |
7006 | XColor *t = COLOR (colors, x1, y1); | |
7007 | r += matrix[i] * t->red; | |
7008 | g += matrix[i] * t->green; | |
7009 | b += matrix[i] * t->blue; | |
7010 | } | |
333b20bb | 7011 | |
4a8e312c GM |
7012 | r = (r / sum + color_adjust) & 0xffff; |
7013 | g = (g / sum + color_adjust) & 0xffff; | |
7014 | b = (b / sum + color_adjust) & 0xffff; | |
14819cb3 | 7015 | p->red = p->green = p->blue = COLOR_INTENSITY (r, g, b); |
333b20bb | 7016 | } |
333b20bb GM |
7017 | } |
7018 | ||
4a8e312c GM |
7019 | xfree (colors); |
7020 | x_from_xcolors (f, img, new); | |
333b20bb | 7021 | |
4a8e312c GM |
7022 | #undef COLOR |
7023 | } | |
7024 | ||
7025 | ||
7026 | /* Perform the pre-defined `emboss' edge-detection on image IMG | |
7027 | on frame F. */ | |
7028 | ||
7029 | static void | |
7030 | x_emboss (f, img) | |
7031 | struct frame *f; | |
7032 | struct image *img; | |
7033 | { | |
7034 | x_detect_edges (f, img, emboss_matrix, 0xffff / 2); | |
7035 | } | |
7036 | ||
7037 | ||
7038 | /* Perform the pre-defined `laplace' edge-detection on image IMG | |
7039 | on frame F. */ | |
7040 | ||
7041 | static void | |
7042 | x_laplace (f, img) | |
7043 | struct frame *f; | |
7044 | struct image *img; | |
7045 | { | |
7046 | x_detect_edges (f, img, laplace_matrix, 45000); | |
7047 | } | |
7048 | ||
7049 | ||
7050 | /* Perform edge-detection on image IMG on frame F, with specified | |
7051 | transformation matrix MATRIX and color-adjustment COLOR_ADJUST. | |
7052 | ||
7053 | MATRIX must be either | |
7054 | ||
7055 | - a list of at least 9 numbers in row-major form | |
7056 | - a vector of at least 9 numbers | |
7057 | ||
7058 | COLOR_ADJUST nil means use a default; otherwise it must be a | |
7059 | number. */ | |
7060 | ||
7061 | static void | |
7062 | x_edge_detection (f, img, matrix, color_adjust) | |
7063 | struct frame *f; | |
7064 | struct image *img; | |
7065 | Lisp_Object matrix, color_adjust; | |
7066 | { | |
7067 | int i = 0; | |
7068 | int trans[9]; | |
177c0ea7 | 7069 | |
4a8e312c GM |
7070 | if (CONSP (matrix)) |
7071 | { | |
7072 | for (i = 0; | |
7073 | i < 9 && CONSP (matrix) && NUMBERP (XCAR (matrix)); | |
7074 | ++i, matrix = XCDR (matrix)) | |
7075 | trans[i] = XFLOATINT (XCAR (matrix)); | |
7076 | } | |
7077 | else if (VECTORP (matrix) && ASIZE (matrix) >= 9) | |
7078 | { | |
7079 | for (i = 0; i < 9 && NUMBERP (AREF (matrix, i)); ++i) | |
7080 | trans[i] = XFLOATINT (AREF (matrix, i)); | |
7081 | } | |
333b20bb | 7082 | |
4a8e312c GM |
7083 | if (NILP (color_adjust)) |
7084 | color_adjust = make_number (0xffff / 2); | |
333b20bb | 7085 | |
4a8e312c GM |
7086 | if (i == 9 && NUMBERP (color_adjust)) |
7087 | x_detect_edges (f, img, trans, (int) XFLOATINT (color_adjust)); | |
333b20bb GM |
7088 | } |
7089 | ||
7090 | ||
14819cb3 GM |
7091 | /* Transform image IMG on frame F so that it looks disabled. */ |
7092 | ||
7093 | static void | |
7094 | x_disable_image (f, img) | |
7095 | struct frame *f; | |
7096 | struct image *img; | |
7097 | { | |
7098 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
dd00328a | 7099 | |
14819cb3 GM |
7100 | if (dpyinfo->n_planes >= 2) |
7101 | { | |
7102 | /* Color (or grayscale). Convert to gray, and equalize. Just | |
7103 | drawing such images with a stipple can look very odd, so | |
7104 | we're using this method instead. */ | |
7105 | XColor *colors = x_to_xcolors (f, img, 1); | |
7106 | XColor *p, *end; | |
7107 | const int h = 15000; | |
7108 | const int l = 30000; | |
7109 | ||
7110 | for (p = colors, end = colors + img->width * img->height; | |
7111 | p < end; | |
7112 | ++p) | |
7113 | { | |
7114 | int i = COLOR_INTENSITY (p->red, p->green, p->blue); | |
7115 | int i2 = (0xffff - h - l) * i / 0xffff + l; | |
7116 | p->red = p->green = p->blue = i2; | |
7117 | } | |
7118 | ||
7119 | x_from_xcolors (f, img, colors); | |
7120 | } | |
7121 | ||
7122 | /* Draw a cross over the disabled image, if we must or if we | |
7123 | should. */ | |
7124 | if (dpyinfo->n_planes < 2 || cross_disabled_images) | |
7125 | { | |
7126 | Display *dpy = FRAME_X_DISPLAY (f); | |
7127 | GC gc; | |
7128 | ||
14819cb3 GM |
7129 | gc = XCreateGC (dpy, img->pixmap, 0, NULL); |
7130 | XSetForeground (dpy, gc, BLACK_PIX_DEFAULT (f)); | |
7131 | XDrawLine (dpy, img->pixmap, gc, 0, 0, | |
7132 | img->width - 1, img->height - 1); | |
7133 | XDrawLine (dpy, img->pixmap, gc, 0, img->height - 1, | |
7134 | img->width - 1, 0); | |
7135 | XFreeGC (dpy, gc); | |
7136 | ||
7137 | if (img->mask) | |
7138 | { | |
7139 | gc = XCreateGC (dpy, img->mask, 0, NULL); | |
7140 | XSetForeground (dpy, gc, WHITE_PIX_DEFAULT (f)); | |
7141 | XDrawLine (dpy, img->mask, gc, 0, 0, | |
7142 | img->width - 1, img->height - 1); | |
7143 | XDrawLine (dpy, img->mask, gc, 0, img->height - 1, | |
7144 | img->width - 1, 0); | |
7145 | XFreeGC (dpy, gc); | |
7146 | } | |
14819cb3 GM |
7147 | } |
7148 | } | |
7149 | ||
7150 | ||
333b20bb GM |
7151 | /* Build a mask for image IMG which is used on frame F. FILE is the |
7152 | name of an image file, for error messages. HOW determines how to | |
fcf431dc GM |
7153 | determine the background color of IMG. If it is a list '(R G B)', |
7154 | with R, G, and B being integers >= 0, take that as the color of the | |
7155 | background. Otherwise, determine the background color of IMG | |
7156 | heuristically. Value is non-zero if successful. */ | |
333b20bb GM |
7157 | |
7158 | static int | |
45158a91 | 7159 | x_build_heuristic_mask (f, img, how) |
333b20bb | 7160 | struct frame *f; |
333b20bb GM |
7161 | struct image *img; |
7162 | Lisp_Object how; | |
7163 | { | |
7164 | Display *dpy = FRAME_X_DISPLAY (f); | |
333b20bb | 7165 | XImage *ximg, *mask_img; |
f20a3b7a | 7166 | int x, y, rc, use_img_background; |
8ec8a5ec | 7167 | unsigned long bg = 0; |
333b20bb | 7168 | |
4a8e312c GM |
7169 | if (img->mask) |
7170 | { | |
7171 | XFreePixmap (FRAME_X_DISPLAY (f), img->mask); | |
dd00328a | 7172 | img->mask = None; |
f20a3b7a | 7173 | img->background_transparent_valid = 0; |
4a8e312c | 7174 | } |
dd00328a | 7175 | |
333b20bb | 7176 | /* Create an image and pixmap serving as mask. */ |
45158a91 | 7177 | rc = x_create_x_image_and_pixmap (f, img->width, img->height, 1, |
333b20bb GM |
7178 | &mask_img, &img->mask); |
7179 | if (!rc) | |
28c7826c | 7180 | return 0; |
333b20bb GM |
7181 | |
7182 | /* Get the X image of IMG->pixmap. */ | |
7183 | ximg = XGetImage (dpy, img->pixmap, 0, 0, img->width, img->height, | |
7184 | ~0, ZPixmap); | |
7185 | ||
fcf431dc | 7186 | /* Determine the background color of ximg. If HOW is `(R G B)' |
f20a3b7a MB |
7187 | take that as color. Otherwise, use the image's background color. */ |
7188 | use_img_background = 1; | |
177c0ea7 | 7189 | |
fcf431dc GM |
7190 | if (CONSP (how)) |
7191 | { | |
cac1daf0 | 7192 | int rgb[3], i; |
fcf431dc | 7193 | |
cac1daf0 | 7194 | for (i = 0; i < 3 && CONSP (how) && NATNUMP (XCAR (how)); ++i) |
fcf431dc GM |
7195 | { |
7196 | rgb[i] = XFASTINT (XCAR (how)) & 0xffff; | |
7197 | how = XCDR (how); | |
7198 | } | |
7199 | ||
7200 | if (i == 3 && NILP (how)) | |
7201 | { | |
7202 | char color_name[30]; | |
fcf431dc | 7203 | sprintf (color_name, "#%04x%04x%04x", rgb[0], rgb[1], rgb[2]); |
053b3256 GM |
7204 | bg = x_alloc_image_color (f, img, build_string (color_name), 0); |
7205 | use_img_background = 0; | |
fcf431dc GM |
7206 | } |
7207 | } | |
177c0ea7 | 7208 | |
f20a3b7a | 7209 | if (use_img_background) |
43f7c3ea | 7210 | bg = four_corners_best (ximg, img->width, img->height); |
333b20bb GM |
7211 | |
7212 | /* Set all bits in mask_img to 1 whose color in ximg is different | |
7213 | from the background color bg. */ | |
7214 | for (y = 0; y < img->height; ++y) | |
7215 | for (x = 0; x < img->width; ++x) | |
7216 | XPutPixel (mask_img, x, y, XGetPixel (ximg, x, y) != bg); | |
7217 | ||
f20a3b7a MB |
7218 | /* Fill in the background_transparent field while we have the mask handy. */ |
7219 | image_background_transparent (img, f, mask_img); | |
7220 | ||
333b20bb GM |
7221 | /* Put mask_img into img->mask. */ |
7222 | x_put_x_image (f, mask_img, img->mask, img->width, img->height); | |
7223 | x_destroy_x_image (mask_img); | |
7224 | XDestroyImage (ximg); | |
177c0ea7 | 7225 | |
333b20bb GM |
7226 | return 1; |
7227 | } | |
7228 | ||
7229 | ||
7230 | \f | |
7231 | /*********************************************************************** | |
7232 | PBM (mono, gray, color) | |
7233 | ***********************************************************************/ | |
7234 | ||
7235 | static int pbm_image_p P_ ((Lisp_Object object)); | |
7236 | static int pbm_load P_ ((struct frame *f, struct image *img)); | |
63cec32f | 7237 | static int pbm_scan_number P_ ((unsigned char **, unsigned char *)); |
333b20bb GM |
7238 | |
7239 | /* The symbol `pbm' identifying images of this type. */ | |
7240 | ||
7241 | Lisp_Object Qpbm; | |
7242 | ||
7243 | /* Indices of image specification fields in gs_format, below. */ | |
7244 | ||
7245 | enum pbm_keyword_index | |
7246 | { | |
7247 | PBM_TYPE, | |
7248 | PBM_FILE, | |
63cec32f | 7249 | PBM_DATA, |
333b20bb GM |
7250 | PBM_ASCENT, |
7251 | PBM_MARGIN, | |
7252 | PBM_RELIEF, | |
7253 | PBM_ALGORITHM, | |
7254 | PBM_HEURISTIC_MASK, | |
4a8e312c | 7255 | PBM_MASK, |
be0b1fac GM |
7256 | PBM_FOREGROUND, |
7257 | PBM_BACKGROUND, | |
333b20bb GM |
7258 | PBM_LAST |
7259 | }; | |
7260 | ||
7261 | /* Vector of image_keyword structures describing the format | |
7262 | of valid user-defined image specifications. */ | |
7263 | ||
7264 | static struct image_keyword pbm_format[PBM_LAST] = | |
7265 | { | |
7266 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
63cec32f GM |
7267 | {":file", IMAGE_STRING_VALUE, 0}, |
7268 | {":data", IMAGE_STRING_VALUE, 0}, | |
7c7ff7f5 | 7269 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
3ed61e75 | 7270 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
333b20bb | 7271 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
d2dc8167 | 7272 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
4a8e312c | 7273 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
be0b1fac | 7274 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
6f1be3b9 GM |
7275 | {":foreground", IMAGE_STRING_OR_NIL_VALUE, 0}, |
7276 | {":background", IMAGE_STRING_OR_NIL_VALUE, 0} | |
333b20bb GM |
7277 | }; |
7278 | ||
7279 | /* Structure describing the image type `pbm'. */ | |
7280 | ||
7281 | static struct image_type pbm_type = | |
7282 | { | |
7283 | &Qpbm, | |
7284 | pbm_image_p, | |
7285 | pbm_load, | |
7286 | x_clear_image, | |
7287 | NULL | |
7288 | }; | |
7289 | ||
7290 | ||
7291 | /* Return non-zero if OBJECT is a valid PBM image specification. */ | |
7292 | ||
7293 | static int | |
7294 | pbm_image_p (object) | |
7295 | Lisp_Object object; | |
7296 | { | |
7297 | struct image_keyword fmt[PBM_LAST]; | |
177c0ea7 | 7298 | |
333b20bb | 7299 | bcopy (pbm_format, fmt, sizeof fmt); |
177c0ea7 | 7300 | |
7c7ff7f5 | 7301 | if (!parse_image_spec (object, fmt, PBM_LAST, Qpbm)) |
333b20bb | 7302 | return 0; |
63cec32f GM |
7303 | |
7304 | /* Must specify either :data or :file. */ | |
7305 | return fmt[PBM_DATA].count + fmt[PBM_FILE].count == 1; | |
333b20bb GM |
7306 | } |
7307 | ||
7308 | ||
63cec32f GM |
7309 | /* Scan a decimal number from *S and return it. Advance *S while |
7310 | reading the number. END is the end of the string. Value is -1 at | |
7311 | end of input. */ | |
333b20bb GM |
7312 | |
7313 | static int | |
63cec32f GM |
7314 | pbm_scan_number (s, end) |
7315 | unsigned char **s, *end; | |
333b20bb | 7316 | { |
8ec8a5ec | 7317 | int c = 0, val = -1; |
333b20bb | 7318 | |
63cec32f | 7319 | while (*s < end) |
333b20bb GM |
7320 | { |
7321 | /* Skip white-space. */ | |
63cec32f | 7322 | while (*s < end && (c = *(*s)++, isspace (c))) |
333b20bb GM |
7323 | ; |
7324 | ||
7325 | if (c == '#') | |
7326 | { | |
7327 | /* Skip comment to end of line. */ | |
63cec32f | 7328 | while (*s < end && (c = *(*s)++, c != '\n')) |
333b20bb GM |
7329 | ; |
7330 | } | |
7331 | else if (isdigit (c)) | |
7332 | { | |
7333 | /* Read decimal number. */ | |
7334 | val = c - '0'; | |
63cec32f | 7335 | while (*s < end && (c = *(*s)++, isdigit (c))) |
333b20bb GM |
7336 | val = 10 * val + c - '0'; |
7337 | break; | |
7338 | } | |
7339 | else | |
7340 | break; | |
7341 | } | |
7342 | ||
7343 | return val; | |
7344 | } | |
7345 | ||
7346 | ||
7347 | /* Load PBM image IMG for use on frame F. */ | |
7348 | ||
177c0ea7 | 7349 | static int |
333b20bb GM |
7350 | pbm_load (f, img) |
7351 | struct frame *f; | |
7352 | struct image *img; | |
7353 | { | |
333b20bb | 7354 | int raw_p, x, y; |
b6d7acec | 7355 | int width, height, max_color_idx = 0; |
333b20bb GM |
7356 | XImage *ximg; |
7357 | Lisp_Object file, specified_file; | |
7358 | enum {PBM_MONO, PBM_GRAY, PBM_COLOR} type; | |
7359 | struct gcpro gcpro1; | |
63cec32f GM |
7360 | unsigned char *contents = NULL; |
7361 | unsigned char *end, *p; | |
7362 | int size; | |
333b20bb GM |
7363 | |
7364 | specified_file = image_spec_value (img->spec, QCfile, NULL); | |
63cec32f | 7365 | file = Qnil; |
333b20bb | 7366 | GCPRO1 (file); |
333b20bb | 7367 | |
63cec32f | 7368 | if (STRINGP (specified_file)) |
333b20bb | 7369 | { |
63cec32f GM |
7370 | file = x_find_image_file (specified_file); |
7371 | if (!STRINGP (file)) | |
7372 | { | |
7373 | image_error ("Cannot find image file `%s'", specified_file, Qnil); | |
7374 | UNGCPRO; | |
7375 | return 0; | |
7376 | } | |
333b20bb | 7377 | |
d5db4077 | 7378 | contents = slurp_file (SDATA (file), &size); |
63cec32f GM |
7379 | if (contents == NULL) |
7380 | { | |
7381 | image_error ("Error reading `%s'", file, Qnil); | |
7382 | UNGCPRO; | |
7383 | return 0; | |
7384 | } | |
7385 | ||
7386 | p = contents; | |
7387 | end = contents + size; | |
7388 | } | |
7389 | else | |
333b20bb | 7390 | { |
63cec32f GM |
7391 | Lisp_Object data; |
7392 | data = image_spec_value (img->spec, QCdata, NULL); | |
d5db4077 KR |
7393 | p = SDATA (data); |
7394 | end = p + SBYTES (data); | |
333b20bb GM |
7395 | } |
7396 | ||
63cec32f GM |
7397 | /* Check magic number. */ |
7398 | if (end - p < 2 || *p++ != 'P') | |
333b20bb | 7399 | { |
45158a91 | 7400 | image_error ("Not a PBM image: `%s'", img->spec, Qnil); |
63cec32f GM |
7401 | error: |
7402 | xfree (contents); | |
333b20bb GM |
7403 | UNGCPRO; |
7404 | return 0; | |
7405 | } | |
7406 | ||
63cec32f | 7407 | switch (*p++) |
333b20bb GM |
7408 | { |
7409 | case '1': | |
7410 | raw_p = 0, type = PBM_MONO; | |
7411 | break; | |
177c0ea7 | 7412 | |
333b20bb GM |
7413 | case '2': |
7414 | raw_p = 0, type = PBM_GRAY; | |
7415 | break; | |
7416 | ||
7417 | case '3': | |
7418 | raw_p = 0, type = PBM_COLOR; | |
7419 | break; | |
7420 | ||
7421 | case '4': | |
7422 | raw_p = 1, type = PBM_MONO; | |
7423 | break; | |
177c0ea7 | 7424 | |
333b20bb GM |
7425 | case '5': |
7426 | raw_p = 1, type = PBM_GRAY; | |
7427 | break; | |
177c0ea7 | 7428 | |
333b20bb GM |
7429 | case '6': |
7430 | raw_p = 1, type = PBM_COLOR; | |
7431 | break; | |
7432 | ||
7433 | default: | |
45158a91 | 7434 | image_error ("Not a PBM image: `%s'", img->spec, Qnil); |
63cec32f | 7435 | goto error; |
333b20bb GM |
7436 | } |
7437 | ||
7438 | /* Read width, height, maximum color-component. Characters | |
7439 | starting with `#' up to the end of a line are ignored. */ | |
63cec32f GM |
7440 | width = pbm_scan_number (&p, end); |
7441 | height = pbm_scan_number (&p, end); | |
333b20bb GM |
7442 | |
7443 | if (type != PBM_MONO) | |
7444 | { | |
63cec32f | 7445 | max_color_idx = pbm_scan_number (&p, end); |
333b20bb GM |
7446 | if (raw_p && max_color_idx > 255) |
7447 | max_color_idx = 255; | |
7448 | } | |
177c0ea7 | 7449 | |
63cec32f GM |
7450 | if (width < 0 |
7451 | || height < 0 | |
333b20bb | 7452 | || (type != PBM_MONO && max_color_idx < 0)) |
63cec32f | 7453 | goto error; |
333b20bb | 7454 | |
45158a91 | 7455 | if (!x_create_x_image_and_pixmap (f, width, height, 0, |
333b20bb | 7456 | &ximg, &img->pixmap)) |
28c7826c | 7457 | goto error; |
177c0ea7 | 7458 | |
333b20bb GM |
7459 | /* Initialize the color hash table. */ |
7460 | init_color_table (); | |
7461 | ||
7462 | if (type == PBM_MONO) | |
7463 | { | |
7464 | int c = 0, g; | |
be0b1fac GM |
7465 | struct image_keyword fmt[PBM_LAST]; |
7466 | unsigned long fg = FRAME_FOREGROUND_PIXEL (f); | |
7467 | unsigned long bg = FRAME_BACKGROUND_PIXEL (f); | |
7468 | ||
7469 | /* Parse the image specification. */ | |
7470 | bcopy (pbm_format, fmt, sizeof fmt); | |
7471 | parse_image_spec (img->spec, fmt, PBM_LAST, Qpbm); | |
177c0ea7 | 7472 | |
be0b1fac | 7473 | /* Get foreground and background colors, maybe allocate colors. */ |
6f1be3b9 GM |
7474 | if (fmt[PBM_FOREGROUND].count |
7475 | && STRINGP (fmt[PBM_FOREGROUND].value)) | |
be0b1fac | 7476 | fg = x_alloc_image_color (f, img, fmt[PBM_FOREGROUND].value, fg); |
6f1be3b9 GM |
7477 | if (fmt[PBM_BACKGROUND].count |
7478 | && STRINGP (fmt[PBM_BACKGROUND].value)) | |
f20a3b7a MB |
7479 | { |
7480 | bg = x_alloc_image_color (f, img, fmt[PBM_BACKGROUND].value, bg); | |
7481 | img->background = bg; | |
7482 | img->background_valid = 1; | |
7483 | } | |
177c0ea7 | 7484 | |
333b20bb GM |
7485 | for (y = 0; y < height; ++y) |
7486 | for (x = 0; x < width; ++x) | |
7487 | { | |
7488 | if (raw_p) | |
7489 | { | |
7490 | if ((x & 7) == 0) | |
63cec32f | 7491 | c = *p++; |
333b20bb GM |
7492 | g = c & 0x80; |
7493 | c <<= 1; | |
7494 | } | |
7495 | else | |
63cec32f | 7496 | g = pbm_scan_number (&p, end); |
333b20bb | 7497 | |
be0b1fac | 7498 | XPutPixel (ximg, x, y, g ? fg : bg); |
333b20bb GM |
7499 | } |
7500 | } | |
7501 | else | |
7502 | { | |
7503 | for (y = 0; y < height; ++y) | |
7504 | for (x = 0; x < width; ++x) | |
7505 | { | |
7506 | int r, g, b; | |
177c0ea7 | 7507 | |
333b20bb | 7508 | if (type == PBM_GRAY) |
63cec32f | 7509 | r = g = b = raw_p ? *p++ : pbm_scan_number (&p, end); |
333b20bb GM |
7510 | else if (raw_p) |
7511 | { | |
63cec32f GM |
7512 | r = *p++; |
7513 | g = *p++; | |
7514 | b = *p++; | |
333b20bb GM |
7515 | } |
7516 | else | |
7517 | { | |
63cec32f GM |
7518 | r = pbm_scan_number (&p, end); |
7519 | g = pbm_scan_number (&p, end); | |
7520 | b = pbm_scan_number (&p, end); | |
333b20bb | 7521 | } |
177c0ea7 | 7522 | |
333b20bb GM |
7523 | if (r < 0 || g < 0 || b < 0) |
7524 | { | |
333b20bb GM |
7525 | xfree (ximg->data); |
7526 | ximg->data = NULL; | |
7527 | XDestroyImage (ximg); | |
45158a91 GM |
7528 | image_error ("Invalid pixel value in image `%s'", |
7529 | img->spec, Qnil); | |
63cec32f | 7530 | goto error; |
333b20bb | 7531 | } |
177c0ea7 | 7532 | |
333b20bb GM |
7533 | /* RGB values are now in the range 0..max_color_idx. |
7534 | Scale this to the range 0..0xffff supported by X. */ | |
7535 | r = (double) r * 65535 / max_color_idx; | |
7536 | g = (double) g * 65535 / max_color_idx; | |
7537 | b = (double) b * 65535 / max_color_idx; | |
7538 | XPutPixel (ximg, x, y, lookup_rgb_color (f, r, g, b)); | |
7539 | } | |
7540 | } | |
177c0ea7 | 7541 | |
333b20bb GM |
7542 | /* Store in IMG->colors the colors allocated for the image, and |
7543 | free the color table. */ | |
7544 | img->colors = colors_in_color_table (&img->ncolors); | |
7545 | free_color_table (); | |
f20a3b7a MB |
7546 | |
7547 | /* Maybe fill in the background field while we have ximg handy. */ | |
7548 | if (NILP (image_spec_value (img->spec, QCbackground, NULL))) | |
7549 | IMAGE_BACKGROUND (img, f, ximg); | |
177c0ea7 | 7550 | |
333b20bb GM |
7551 | /* Put the image into a pixmap. */ |
7552 | x_put_x_image (f, ximg, img->pixmap, width, height); | |
7553 | x_destroy_x_image (ximg); | |
177c0ea7 | 7554 | |
333b20bb GM |
7555 | img->width = width; |
7556 | img->height = height; | |
7557 | ||
7558 | UNGCPRO; | |
63cec32f | 7559 | xfree (contents); |
333b20bb GM |
7560 | return 1; |
7561 | } | |
7562 | ||
7563 | ||
7564 | \f | |
7565 | /*********************************************************************** | |
7566 | PNG | |
7567 | ***********************************************************************/ | |
7568 | ||
7569 | #if HAVE_PNG | |
7570 | ||
d2398db3 SM |
7571 | #if defined HAVE_LIBPNG_PNG_H |
7572 | # include <libpng/png.h> | |
34e8c597 | 7573 | #else |
d2398db3 | 7574 | # include <png.h> |
34e8c597 | 7575 | #endif |
333b20bb GM |
7576 | |
7577 | /* Function prototypes. */ | |
7578 | ||
7579 | static int png_image_p P_ ((Lisp_Object object)); | |
7580 | static int png_load P_ ((struct frame *f, struct image *img)); | |
7581 | ||
7582 | /* The symbol `png' identifying images of this type. */ | |
7583 | ||
7584 | Lisp_Object Qpng; | |
7585 | ||
7586 | /* Indices of image specification fields in png_format, below. */ | |
7587 | ||
7588 | enum png_keyword_index | |
7589 | { | |
7590 | PNG_TYPE, | |
63448a4d | 7591 | PNG_DATA, |
333b20bb GM |
7592 | PNG_FILE, |
7593 | PNG_ASCENT, | |
7594 | PNG_MARGIN, | |
7595 | PNG_RELIEF, | |
7596 | PNG_ALGORITHM, | |
7597 | PNG_HEURISTIC_MASK, | |
4a8e312c | 7598 | PNG_MASK, |
f20a3b7a | 7599 | PNG_BACKGROUND, |
333b20bb GM |
7600 | PNG_LAST |
7601 | }; | |
7602 | ||
7603 | /* Vector of image_keyword structures describing the format | |
7604 | of valid user-defined image specifications. */ | |
7605 | ||
7606 | static struct image_keyword png_format[PNG_LAST] = | |
7607 | { | |
7608 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
5ad6a5fb | 7609 | {":data", IMAGE_STRING_VALUE, 0}, |
63448a4d | 7610 | {":file", IMAGE_STRING_VALUE, 0}, |
7c7ff7f5 | 7611 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
3ed61e75 | 7612 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
333b20bb | 7613 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
d2dc8167 | 7614 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
4a8e312c | 7615 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
f2f0a644 | 7616 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
f20a3b7a | 7617 | {":background", IMAGE_STRING_OR_NIL_VALUE, 0} |
333b20bb GM |
7618 | }; |
7619 | ||
06482119 | 7620 | /* Structure describing the image type `png'. */ |
333b20bb GM |
7621 | |
7622 | static struct image_type png_type = | |
7623 | { | |
7624 | &Qpng, | |
7625 | png_image_p, | |
7626 | png_load, | |
7627 | x_clear_image, | |
7628 | NULL | |
7629 | }; | |
7630 | ||
7631 | ||
7632 | /* Return non-zero if OBJECT is a valid PNG image specification. */ | |
7633 | ||
7634 | static int | |
7635 | png_image_p (object) | |
7636 | Lisp_Object object; | |
7637 | { | |
7638 | struct image_keyword fmt[PNG_LAST]; | |
7639 | bcopy (png_format, fmt, sizeof fmt); | |
177c0ea7 | 7640 | |
7c7ff7f5 | 7641 | if (!parse_image_spec (object, fmt, PNG_LAST, Qpng)) |
333b20bb | 7642 | return 0; |
63448a4d | 7643 | |
63cec32f GM |
7644 | /* Must specify either the :data or :file keyword. */ |
7645 | return fmt[PNG_FILE].count + fmt[PNG_DATA].count == 1; | |
333b20bb GM |
7646 | } |
7647 | ||
7648 | ||
7649 | /* Error and warning handlers installed when the PNG library | |
7650 | is initialized. */ | |
7651 | ||
7652 | static void | |
7653 | my_png_error (png_ptr, msg) | |
7654 | png_struct *png_ptr; | |
7655 | char *msg; | |
7656 | { | |
7657 | xassert (png_ptr != NULL); | |
7658 | image_error ("PNG error: %s", build_string (msg), Qnil); | |
7659 | longjmp (png_ptr->jmpbuf, 1); | |
7660 | } | |
7661 | ||
7662 | ||
7663 | static void | |
7664 | my_png_warning (png_ptr, msg) | |
7665 | png_struct *png_ptr; | |
7666 | char *msg; | |
7667 | { | |
7668 | xassert (png_ptr != NULL); | |
7669 | image_error ("PNG warning: %s", build_string (msg), Qnil); | |
7670 | } | |
7671 | ||
5ad6a5fb GM |
7672 | /* Memory source for PNG decoding. */ |
7673 | ||
63448a4d WP |
7674 | struct png_memory_storage |
7675 | { | |
5ad6a5fb GM |
7676 | unsigned char *bytes; /* The data */ |
7677 | size_t len; /* How big is it? */ | |
7678 | int index; /* Where are we? */ | |
63448a4d WP |
7679 | }; |
7680 | ||
5ad6a5fb GM |
7681 | |
7682 | /* Function set as reader function when reading PNG image from memory. | |
7683 | PNG_PTR is a pointer to the PNG control structure. Copy LENGTH | |
7684 | bytes from the input to DATA. */ | |
7685 | ||
63448a4d | 7686 | static void |
5ad6a5fb GM |
7687 | png_read_from_memory (png_ptr, data, length) |
7688 | png_structp png_ptr; | |
7689 | png_bytep data; | |
7690 | png_size_t length; | |
63448a4d | 7691 | { |
5ad6a5fb GM |
7692 | struct png_memory_storage *tbr |
7693 | = (struct png_memory_storage *) png_get_io_ptr (png_ptr); | |
63448a4d | 7694 | |
5ad6a5fb GM |
7695 | if (length > tbr->len - tbr->index) |
7696 | png_error (png_ptr, "Read error"); | |
177c0ea7 | 7697 | |
5ad6a5fb GM |
7698 | bcopy (tbr->bytes + tbr->index, data, length); |
7699 | tbr->index = tbr->index + length; | |
63448a4d | 7700 | } |
333b20bb GM |
7701 | |
7702 | /* Load PNG image IMG for use on frame F. Value is non-zero if | |
7703 | successful. */ | |
7704 | ||
7705 | static int | |
7706 | png_load (f, img) | |
7707 | struct frame *f; | |
7708 | struct image *img; | |
7709 | { | |
7710 | Lisp_Object file, specified_file; | |
63448a4d | 7711 | Lisp_Object specified_data; |
b6d7acec | 7712 | int x, y, i; |
333b20bb GM |
7713 | XImage *ximg, *mask_img = NULL; |
7714 | struct gcpro gcpro1; | |
7715 | png_struct *png_ptr = NULL; | |
7716 | png_info *info_ptr = NULL, *end_info = NULL; | |
8ec8a5ec | 7717 | FILE *volatile fp = NULL; |
333b20bb | 7718 | png_byte sig[8]; |
8ec8a5ec GM |
7719 | png_byte * volatile pixels = NULL; |
7720 | png_byte ** volatile rows = NULL; | |
333b20bb GM |
7721 | png_uint_32 width, height; |
7722 | int bit_depth, color_type, interlace_type; | |
7723 | png_byte channels; | |
7724 | png_uint_32 row_bytes; | |
7725 | int transparent_p; | |
8972820c | 7726 | double screen_gamma; |
63448a4d | 7727 | struct png_memory_storage tbr; /* Data to be read */ |
333b20bb GM |
7728 | |
7729 | /* Find out what file to load. */ | |
7730 | specified_file = image_spec_value (img->spec, QCfile, NULL); | |
63448a4d | 7731 | specified_data = image_spec_value (img->spec, QCdata, NULL); |
5ad6a5fb GM |
7732 | file = Qnil; |
7733 | GCPRO1 (file); | |
333b20bb | 7734 | |
63448a4d | 7735 | if (NILP (specified_data)) |
5ad6a5fb GM |
7736 | { |
7737 | file = x_find_image_file (specified_file); | |
7738 | if (!STRINGP (file)) | |
63448a4d | 7739 | { |
45158a91 | 7740 | image_error ("Cannot find image file `%s'", specified_file, Qnil); |
5ad6a5fb GM |
7741 | UNGCPRO; |
7742 | return 0; | |
7743 | } | |
333b20bb | 7744 | |
5ad6a5fb | 7745 | /* Open the image file. */ |
d5db4077 | 7746 | fp = fopen (SDATA (file), "rb"); |
5ad6a5fb GM |
7747 | if (!fp) |
7748 | { | |
45158a91 | 7749 | image_error ("Cannot open image file `%s'", file, Qnil); |
5ad6a5fb GM |
7750 | UNGCPRO; |
7751 | fclose (fp); | |
7752 | return 0; | |
7753 | } | |
63448a4d | 7754 | |
5ad6a5fb GM |
7755 | /* Check PNG signature. */ |
7756 | if (fread (sig, 1, sizeof sig, fp) != sizeof sig | |
7757 | || !png_check_sig (sig, sizeof sig)) | |
7758 | { | |
45158a91 | 7759 | image_error ("Not a PNG file: `%s'", file, Qnil); |
5ad6a5fb GM |
7760 | UNGCPRO; |
7761 | fclose (fp); | |
7762 | return 0; | |
63448a4d | 7763 | } |
5ad6a5fb | 7764 | } |
63448a4d | 7765 | else |
5ad6a5fb GM |
7766 | { |
7767 | /* Read from memory. */ | |
d5db4077 KR |
7768 | tbr.bytes = SDATA (specified_data); |
7769 | tbr.len = SBYTES (specified_data); | |
5ad6a5fb | 7770 | tbr.index = 0; |
63448a4d | 7771 | |
5ad6a5fb GM |
7772 | /* Check PNG signature. */ |
7773 | if (tbr.len < sizeof sig | |
7774 | || !png_check_sig (tbr.bytes, sizeof sig)) | |
7775 | { | |
45158a91 | 7776 | image_error ("Not a PNG image: `%s'", img->spec, Qnil); |
5ad6a5fb GM |
7777 | UNGCPRO; |
7778 | return 0; | |
63448a4d | 7779 | } |
333b20bb | 7780 | |
5ad6a5fb GM |
7781 | /* Need to skip past the signature. */ |
7782 | tbr.bytes += sizeof (sig); | |
7783 | } | |
7784 | ||
333b20bb GM |
7785 | /* Initialize read and info structs for PNG lib. */ |
7786 | png_ptr = png_create_read_struct (PNG_LIBPNG_VER_STRING, NULL, | |
7787 | my_png_error, my_png_warning); | |
7788 | if (!png_ptr) | |
7789 | { | |
63448a4d | 7790 | if (fp) fclose (fp); |
333b20bb GM |
7791 | UNGCPRO; |
7792 | return 0; | |
7793 | } | |
7794 | ||
7795 | info_ptr = png_create_info_struct (png_ptr); | |
7796 | if (!info_ptr) | |
7797 | { | |
7798 | png_destroy_read_struct (&png_ptr, NULL, NULL); | |
63448a4d | 7799 | if (fp) fclose (fp); |
333b20bb GM |
7800 | UNGCPRO; |
7801 | return 0; | |
7802 | } | |
7803 | ||
7804 | end_info = png_create_info_struct (png_ptr); | |
7805 | if (!end_info) | |
7806 | { | |
7807 | png_destroy_read_struct (&png_ptr, &info_ptr, NULL); | |
63448a4d | 7808 | if (fp) fclose (fp); |
333b20bb GM |
7809 | UNGCPRO; |
7810 | return 0; | |
7811 | } | |
7812 | ||
7813 | /* Set error jump-back. We come back here when the PNG library | |
7814 | detects an error. */ | |
7815 | if (setjmp (png_ptr->jmpbuf)) | |
7816 | { | |
7817 | error: | |
7818 | if (png_ptr) | |
7819 | png_destroy_read_struct (&png_ptr, &info_ptr, &end_info); | |
7820 | xfree (pixels); | |
7821 | xfree (rows); | |
63448a4d | 7822 | if (fp) fclose (fp); |
333b20bb GM |
7823 | UNGCPRO; |
7824 | return 0; | |
7825 | } | |
7826 | ||
7827 | /* Read image info. */ | |
63448a4d | 7828 | if (!NILP (specified_data)) |
5ad6a5fb | 7829 | png_set_read_fn (png_ptr, (void *) &tbr, png_read_from_memory); |
63448a4d | 7830 | else |
5ad6a5fb | 7831 | png_init_io (png_ptr, fp); |
63448a4d | 7832 | |
333b20bb GM |
7833 | png_set_sig_bytes (png_ptr, sizeof sig); |
7834 | png_read_info (png_ptr, info_ptr); | |
7835 | png_get_IHDR (png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, | |
7836 | &interlace_type, NULL, NULL); | |
7837 | ||
177c0ea7 | 7838 | /* If image contains simply transparency data, we prefer to |
333b20bb GM |
7839 | construct a clipping mask. */ |
7840 | if (png_get_valid (png_ptr, info_ptr, PNG_INFO_tRNS)) | |
7841 | transparent_p = 1; | |
7842 | else | |
7843 | transparent_p = 0; | |
7844 | ||
177c0ea7 | 7845 | /* This function is easier to write if we only have to handle |
333b20bb GM |
7846 | one data format: RGB or RGBA with 8 bits per channel. Let's |
7847 | transform other formats into that format. */ | |
7848 | ||
7849 | /* Strip more than 8 bits per channel. */ | |
7850 | if (bit_depth == 16) | |
7851 | png_set_strip_16 (png_ptr); | |
7852 | ||
7853 | /* Expand data to 24 bit RGB, or 8 bit grayscale, with alpha channel | |
7854 | if available. */ | |
7855 | png_set_expand (png_ptr); | |
7856 | ||
7857 | /* Convert grayscale images to RGB. */ | |
177c0ea7 | 7858 | if (color_type == PNG_COLOR_TYPE_GRAY |
333b20bb GM |
7859 | || color_type == PNG_COLOR_TYPE_GRAY_ALPHA) |
7860 | png_set_gray_to_rgb (png_ptr); | |
7861 | ||
d4405ed7 | 7862 | screen_gamma = (f->gamma ? 1 / f->gamma / 0.45455 : 2.2); |
333b20bb | 7863 | |
bfa261c0 | 7864 | #if 0 /* Avoid double gamma correction for PNG images. */ |
8972820c SM |
7865 | { /* Tell the PNG lib to handle gamma correction for us. */ |
7866 | int intent; | |
7867 | double image_gamma; | |
6c1aa34d | 7868 | #if defined(PNG_READ_sRGB_SUPPORTED) || defined(PNG_WRITE_sRGB_SUPPORTED) |
8972820c SM |
7869 | if (png_get_sRGB (png_ptr, info_ptr, &intent)) |
7870 | /* The libpng documentation says this is right in this case. */ | |
7871 | png_set_gamma (png_ptr, screen_gamma, 0.45455); | |
7872 | else | |
6c1aa34d | 7873 | #endif |
8972820c SM |
7874 | if (png_get_gAMA (png_ptr, info_ptr, &image_gamma)) |
7875 | /* Image contains gamma information. */ | |
7876 | png_set_gamma (png_ptr, screen_gamma, image_gamma); | |
7877 | else | |
7878 | /* Use the standard default for the image gamma. */ | |
7879 | png_set_gamma (png_ptr, screen_gamma, 0.45455); | |
7880 | } | |
7273d100 | 7881 | #endif /* if 0 */ |
333b20bb GM |
7882 | |
7883 | /* Handle alpha channel by combining the image with a background | |
7884 | color. Do this only if a real alpha channel is supplied. For | |
7885 | simple transparency, we prefer a clipping mask. */ | |
7886 | if (!transparent_p) | |
7887 | { | |
f20a3b7a MB |
7888 | png_color_16 *image_bg; |
7889 | Lisp_Object specified_bg | |
7890 | = image_spec_value (img->spec, QCbackground, NULL); | |
7891 | ||
f2f0a644 | 7892 | if (STRINGP (specified_bg)) |
f20a3b7a MB |
7893 | /* The user specified `:background', use that. */ |
7894 | { | |
7895 | XColor color; | |
d5db4077 | 7896 | if (x_defined_color (f, SDATA (specified_bg), &color, 0)) |
f20a3b7a MB |
7897 | { |
7898 | png_color_16 user_bg; | |
7899 | ||
7900 | bzero (&user_bg, sizeof user_bg); | |
7901 | user_bg.red = color.red; | |
7902 | user_bg.green = color.green; | |
7903 | user_bg.blue = color.blue; | |
333b20bb | 7904 | |
f20a3b7a MB |
7905 | png_set_background (png_ptr, &user_bg, |
7906 | PNG_BACKGROUND_GAMMA_SCREEN, 0, 1.0); | |
7907 | } | |
7908 | } | |
7909 | else if (png_get_bKGD (png_ptr, info_ptr, &image_bg)) | |
177c0ea7 | 7910 | /* Image contains a background color with which to |
333b20bb | 7911 | combine the image. */ |
f20a3b7a | 7912 | png_set_background (png_ptr, image_bg, |
333b20bb GM |
7913 | PNG_BACKGROUND_GAMMA_FILE, 1, 1.0); |
7914 | else | |
7915 | { | |
7916 | /* Image does not contain a background color with which | |
177c0ea7 | 7917 | to combine the image data via an alpha channel. Use |
333b20bb GM |
7918 | the frame's background instead. */ |
7919 | XColor color; | |
7920 | Colormap cmap; | |
7921 | png_color_16 frame_background; | |
7922 | ||
9b2956e2 | 7923 | cmap = FRAME_X_COLORMAP (f); |
333b20bb | 7924 | color.pixel = FRAME_BACKGROUND_PIXEL (f); |
a31fedb7 | 7925 | x_query_color (f, &color); |
333b20bb GM |
7926 | |
7927 | bzero (&frame_background, sizeof frame_background); | |
7928 | frame_background.red = color.red; | |
7929 | frame_background.green = color.green; | |
7930 | frame_background.blue = color.blue; | |
7931 | ||
7932 | png_set_background (png_ptr, &frame_background, | |
7933 | PNG_BACKGROUND_GAMMA_SCREEN, 0, 1.0); | |
7934 | } | |
7935 | } | |
7936 | ||
7937 | /* Update info structure. */ | |
7938 | png_read_update_info (png_ptr, info_ptr); | |
7939 | ||
7940 | /* Get number of channels. Valid values are 1 for grayscale images | |
7941 | and images with a palette, 2 for grayscale images with transparency | |
7942 | information (alpha channel), 3 for RGB images, and 4 for RGB | |
7943 | images with alpha channel, i.e. RGBA. If conversions above were | |
7944 | sufficient we should only have 3 or 4 channels here. */ | |
7945 | channels = png_get_channels (png_ptr, info_ptr); | |
7946 | xassert (channels == 3 || channels == 4); | |
7947 | ||
7948 | /* Number of bytes needed for one row of the image. */ | |
7949 | row_bytes = png_get_rowbytes (png_ptr, info_ptr); | |
7950 | ||
7951 | /* Allocate memory for the image. */ | |
7952 | pixels = (png_byte *) xmalloc (row_bytes * height * sizeof *pixels); | |
7953 | rows = (png_byte **) xmalloc (height * sizeof *rows); | |
7954 | for (i = 0; i < height; ++i) | |
7955 | rows[i] = pixels + i * row_bytes; | |
7956 | ||
7957 | /* Read the entire image. */ | |
7958 | png_read_image (png_ptr, rows); | |
7959 | png_read_end (png_ptr, info_ptr); | |
5ad6a5fb GM |
7960 | if (fp) |
7961 | { | |
7962 | fclose (fp); | |
7963 | fp = NULL; | |
7964 | } | |
177c0ea7 | 7965 | |
333b20bb | 7966 | /* Create the X image and pixmap. */ |
45158a91 | 7967 | if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, |
333b20bb | 7968 | &img->pixmap)) |
28c7826c | 7969 | goto error; |
177c0ea7 | 7970 | |
333b20bb GM |
7971 | /* Create an image and pixmap serving as mask if the PNG image |
7972 | contains an alpha channel. */ | |
7973 | if (channels == 4 | |
7974 | && !transparent_p | |
45158a91 | 7975 | && !x_create_x_image_and_pixmap (f, width, height, 1, |
333b20bb GM |
7976 | &mask_img, &img->mask)) |
7977 | { | |
7978 | x_destroy_x_image (ximg); | |
7979 | XFreePixmap (FRAME_X_DISPLAY (f), img->pixmap); | |
dd00328a | 7980 | img->pixmap = None; |
333b20bb GM |
7981 | goto error; |
7982 | } | |
7983 | ||
7984 | /* Fill the X image and mask from PNG data. */ | |
7985 | init_color_table (); | |
7986 | ||
7987 | for (y = 0; y < height; ++y) | |
7988 | { | |
7989 | png_byte *p = rows[y]; | |
7990 | ||
7991 | for (x = 0; x < width; ++x) | |
7992 | { | |
7993 | unsigned r, g, b; | |
7994 | ||
7995 | r = *p++ << 8; | |
7996 | g = *p++ << 8; | |
7997 | b = *p++ << 8; | |
7998 | XPutPixel (ximg, x, y, lookup_rgb_color (f, r, g, b)); | |
7999 | ||
8000 | /* An alpha channel, aka mask channel, associates variable | |
177c0ea7 JB |
8001 | transparency with an image. Where other image formats |
8002 | support binary transparency---fully transparent or fully | |
333b20bb GM |
8003 | opaque---PNG allows up to 254 levels of partial transparency. |
8004 | The PNG library implements partial transparency by combining | |
8005 | the image with a specified background color. | |
8006 | ||
8007 | I'm not sure how to handle this here nicely: because the | |
8008 | background on which the image is displayed may change, for | |
177c0ea7 JB |
8009 | real alpha channel support, it would be necessary to create |
8010 | a new image for each possible background. | |
333b20bb GM |
8011 | |
8012 | What I'm doing now is that a mask is created if we have | |
8013 | boolean transparency information. Otherwise I'm using | |
8014 | the frame's background color to combine the image with. */ | |
8015 | ||
8016 | if (channels == 4) | |
8017 | { | |
8018 | if (mask_img) | |
8019 | XPutPixel (mask_img, x, y, *p > 0); | |
8020 | ++p; | |
8021 | } | |
8022 | } | |
8023 | } | |
8024 | ||
f20a3b7a MB |
8025 | if (NILP (image_spec_value (img->spec, QCbackground, NULL))) |
8026 | /* Set IMG's background color from the PNG image, unless the user | |
8027 | overrode it. */ | |
8028 | { | |
8029 | png_color_16 *bg; | |
8030 | if (png_get_bKGD (png_ptr, info_ptr, &bg)) | |
8031 | { | |
f2f0a644 | 8032 | img->background = lookup_rgb_color (f, bg->red, bg->green, bg->blue); |
f20a3b7a MB |
8033 | img->background_valid = 1; |
8034 | } | |
8035 | } | |
8036 | ||
333b20bb GM |
8037 | /* Remember colors allocated for this image. */ |
8038 | img->colors = colors_in_color_table (&img->ncolors); | |
8039 | free_color_table (); | |
8040 | ||
8041 | /* Clean up. */ | |
8042 | png_destroy_read_struct (&png_ptr, &info_ptr, &end_info); | |
8043 | xfree (rows); | |
8044 | xfree (pixels); | |
8045 | ||
8046 | img->width = width; | |
8047 | img->height = height; | |
8048 | ||
f20a3b7a MB |
8049 | /* Maybe fill in the background field while we have ximg handy. */ |
8050 | IMAGE_BACKGROUND (img, f, ximg); | |
8051 | ||
333b20bb GM |
8052 | /* Put the image into the pixmap, then free the X image and its buffer. */ |
8053 | x_put_x_image (f, ximg, img->pixmap, width, height); | |
8054 | x_destroy_x_image (ximg); | |
8055 | ||
8056 | /* Same for the mask. */ | |
8057 | if (mask_img) | |
8058 | { | |
f20a3b7a MB |
8059 | /* Fill in the background_transparent field while we have the mask |
8060 | handy. */ | |
8061 | image_background_transparent (img, f, mask_img); | |
8062 | ||
333b20bb GM |
8063 | x_put_x_image (f, mask_img, img->mask, img->width, img->height); |
8064 | x_destroy_x_image (mask_img); | |
8065 | } | |
8066 | ||
333b20bb GM |
8067 | UNGCPRO; |
8068 | return 1; | |
8069 | } | |
8070 | ||
8071 | #endif /* HAVE_PNG != 0 */ | |
8072 | ||
8073 | ||
8074 | \f | |
8075 | /*********************************************************************** | |
8076 | JPEG | |
8077 | ***********************************************************************/ | |
8078 | ||
8079 | #if HAVE_JPEG | |
8080 | ||
ba06aba4 GM |
8081 | /* Work around a warning about HAVE_STDLIB_H being redefined in |
8082 | jconfig.h. */ | |
8083 | #ifdef HAVE_STDLIB_H | |
8084 | #define HAVE_STDLIB_H_1 | |
8085 | #undef HAVE_STDLIB_H | |
8086 | #endif /* HAVE_STLIB_H */ | |
8087 | ||
333b20bb GM |
8088 | #include <jpeglib.h> |
8089 | #include <jerror.h> | |
8090 | #include <setjmp.h> | |
8091 | ||
ba06aba4 GM |
8092 | #ifdef HAVE_STLIB_H_1 |
8093 | #define HAVE_STDLIB_H 1 | |
8094 | #endif | |
8095 | ||
333b20bb GM |
8096 | static int jpeg_image_p P_ ((Lisp_Object object)); |
8097 | static int jpeg_load P_ ((struct frame *f, struct image *img)); | |
8098 | ||
8099 | /* The symbol `jpeg' identifying images of this type. */ | |
8100 | ||
8101 | Lisp_Object Qjpeg; | |
8102 | ||
8103 | /* Indices of image specification fields in gs_format, below. */ | |
8104 | ||
8105 | enum jpeg_keyword_index | |
8106 | { | |
8107 | JPEG_TYPE, | |
8e39770a | 8108 | JPEG_DATA, |
333b20bb GM |
8109 | JPEG_FILE, |
8110 | JPEG_ASCENT, | |
8111 | JPEG_MARGIN, | |
8112 | JPEG_RELIEF, | |
8113 | JPEG_ALGORITHM, | |
8114 | JPEG_HEURISTIC_MASK, | |
4a8e312c | 8115 | JPEG_MASK, |
f20a3b7a | 8116 | JPEG_BACKGROUND, |
333b20bb GM |
8117 | JPEG_LAST |
8118 | }; | |
8119 | ||
8120 | /* Vector of image_keyword structures describing the format | |
8121 | of valid user-defined image specifications. */ | |
8122 | ||
8123 | static struct image_keyword jpeg_format[JPEG_LAST] = | |
8124 | { | |
8125 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
5ad6a5fb | 8126 | {":data", IMAGE_STRING_VALUE, 0}, |
8e39770a | 8127 | {":file", IMAGE_STRING_VALUE, 0}, |
7c7ff7f5 | 8128 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
3ed61e75 | 8129 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
333b20bb | 8130 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
d2dc8167 | 8131 | {":conversions", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
4a8e312c | 8132 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
f20a3b7a MB |
8133 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
8134 | {":background", IMAGE_STRING_OR_NIL_VALUE, 0} | |
333b20bb GM |
8135 | }; |
8136 | ||
8137 | /* Structure describing the image type `jpeg'. */ | |
8138 | ||
8139 | static struct image_type jpeg_type = | |
8140 | { | |
8141 | &Qjpeg, | |
8142 | jpeg_image_p, | |
8143 | jpeg_load, | |
8144 | x_clear_image, | |
8145 | NULL | |
8146 | }; | |
8147 | ||
8148 | ||
8149 | /* Return non-zero if OBJECT is a valid JPEG image specification. */ | |
8150 | ||
8151 | static int | |
8152 | jpeg_image_p (object) | |
8153 | Lisp_Object object; | |
8154 | { | |
8155 | struct image_keyword fmt[JPEG_LAST]; | |
177c0ea7 | 8156 | |
333b20bb | 8157 | bcopy (jpeg_format, fmt, sizeof fmt); |
177c0ea7 | 8158 | |
7c7ff7f5 | 8159 | if (!parse_image_spec (object, fmt, JPEG_LAST, Qjpeg)) |
333b20bb | 8160 | return 0; |
8e39770a | 8161 | |
63cec32f GM |
8162 | /* Must specify either the :data or :file keyword. */ |
8163 | return fmt[JPEG_FILE].count + fmt[JPEG_DATA].count == 1; | |
333b20bb GM |
8164 | } |
8165 | ||
8e39770a | 8166 | |
333b20bb GM |
8167 | struct my_jpeg_error_mgr |
8168 | { | |
8169 | struct jpeg_error_mgr pub; | |
8170 | jmp_buf setjmp_buffer; | |
8171 | }; | |
8172 | ||
e3130015 | 8173 | |
333b20bb GM |
8174 | static void |
8175 | my_error_exit (cinfo) | |
8176 | j_common_ptr cinfo; | |
8177 | { | |
8178 | struct my_jpeg_error_mgr *mgr = (struct my_jpeg_error_mgr *) cinfo->err; | |
8179 | longjmp (mgr->setjmp_buffer, 1); | |
8180 | } | |
8181 | ||
e3130015 | 8182 | |
8e39770a GM |
8183 | /* Init source method for JPEG data source manager. Called by |
8184 | jpeg_read_header() before any data is actually read. See | |
8185 | libjpeg.doc from the JPEG lib distribution. */ | |
8186 | ||
8187 | static void | |
8188 | our_init_source (cinfo) | |
8189 | j_decompress_ptr cinfo; | |
8190 | { | |
8191 | } | |
8192 | ||
8193 | ||
8194 | /* Fill input buffer method for JPEG data source manager. Called | |
8195 | whenever more data is needed. We read the whole image in one step, | |
8196 | so this only adds a fake end of input marker at the end. */ | |
8197 | ||
8198 | static boolean | |
8199 | our_fill_input_buffer (cinfo) | |
8200 | j_decompress_ptr cinfo; | |
8201 | { | |
8202 | /* Insert a fake EOI marker. */ | |
8203 | struct jpeg_source_mgr *src = cinfo->src; | |
8204 | static JOCTET buffer[2]; | |
8205 | ||
8206 | buffer[0] = (JOCTET) 0xFF; | |
8207 | buffer[1] = (JOCTET) JPEG_EOI; | |
8208 | ||
8209 | src->next_input_byte = buffer; | |
8210 | src->bytes_in_buffer = 2; | |
8211 | return TRUE; | |
8212 | } | |
8213 | ||
8214 | ||
8215 | /* Method to skip over NUM_BYTES bytes in the image data. CINFO->src | |
8216 | is the JPEG data source manager. */ | |
8217 | ||
8218 | static void | |
8219 | our_skip_input_data (cinfo, num_bytes) | |
8220 | j_decompress_ptr cinfo; | |
8221 | long num_bytes; | |
8222 | { | |
8223 | struct jpeg_source_mgr *src = (struct jpeg_source_mgr *) cinfo->src; | |
8224 | ||
8225 | if (src) | |
8226 | { | |
8227 | if (num_bytes > src->bytes_in_buffer) | |
5ad6a5fb | 8228 | ERREXIT (cinfo, JERR_INPUT_EOF); |
177c0ea7 | 8229 | |
8e39770a GM |
8230 | src->bytes_in_buffer -= num_bytes; |
8231 | src->next_input_byte += num_bytes; | |
8232 | } | |
8233 | } | |
8234 | ||
8235 | ||
8236 | /* Method to terminate data source. Called by | |
8237 | jpeg_finish_decompress() after all data has been processed. */ | |
8238 | ||
8239 | static void | |
8240 | our_term_source (cinfo) | |
8241 | j_decompress_ptr cinfo; | |
8242 | { | |
8243 | } | |
8244 | ||
8245 | ||
8246 | /* Set up the JPEG lib for reading an image from DATA which contains | |
8247 | LEN bytes. CINFO is the decompression info structure created for | |
8248 | reading the image. */ | |
8249 | ||
8250 | static void | |
8251 | jpeg_memory_src (cinfo, data, len) | |
8252 | j_decompress_ptr cinfo; | |
8253 | JOCTET *data; | |
8254 | unsigned int len; | |
8255 | { | |
8256 | struct jpeg_source_mgr *src; | |
8257 | ||
8258 | if (cinfo->src == NULL) | |
8259 | { | |
8260 | /* First time for this JPEG object? */ | |
8261 | cinfo->src = (struct jpeg_source_mgr *) | |
8262 | (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT, | |
8263 | sizeof (struct jpeg_source_mgr)); | |
8264 | src = (struct jpeg_source_mgr *) cinfo->src; | |
8265 | src->next_input_byte = data; | |
8266 | } | |
177c0ea7 | 8267 | |
8e39770a GM |
8268 | src = (struct jpeg_source_mgr *) cinfo->src; |
8269 | src->init_source = our_init_source; | |
8270 | src->fill_input_buffer = our_fill_input_buffer; | |
8271 | src->skip_input_data = our_skip_input_data; | |
8272 | src->resync_to_restart = jpeg_resync_to_restart; /* Use default method. */ | |
8273 | src->term_source = our_term_source; | |
8274 | src->bytes_in_buffer = len; | |
8275 | src->next_input_byte = data; | |
8276 | } | |
8277 | ||
5ad6a5fb | 8278 | |
333b20bb GM |
8279 | /* Load image IMG for use on frame F. Patterned after example.c |
8280 | from the JPEG lib. */ | |
8281 | ||
177c0ea7 | 8282 | static int |
333b20bb GM |
8283 | jpeg_load (f, img) |
8284 | struct frame *f; | |
8285 | struct image *img; | |
8286 | { | |
8287 | struct jpeg_decompress_struct cinfo; | |
8288 | struct my_jpeg_error_mgr mgr; | |
8289 | Lisp_Object file, specified_file; | |
8e39770a | 8290 | Lisp_Object specified_data; |
8ec8a5ec | 8291 | FILE * volatile fp = NULL; |
333b20bb GM |
8292 | JSAMPARRAY buffer; |
8293 | int row_stride, x, y; | |
8294 | XImage *ximg = NULL; | |
b6d7acec | 8295 | int rc; |
333b20bb GM |
8296 | unsigned long *colors; |
8297 | int width, height; | |
8298 | struct gcpro gcpro1; | |
8299 | ||
8300 | /* Open the JPEG file. */ | |
8301 | specified_file = image_spec_value (img->spec, QCfile, NULL); | |
8e39770a | 8302 | specified_data = image_spec_value (img->spec, QCdata, NULL); |
5ad6a5fb GM |
8303 | file = Qnil; |
8304 | GCPRO1 (file); | |
8e39770a | 8305 | |
8e39770a | 8306 | if (NILP (specified_data)) |
333b20bb | 8307 | { |
8e39770a | 8308 | file = x_find_image_file (specified_file); |
8e39770a GM |
8309 | if (!STRINGP (file)) |
8310 | { | |
45158a91 | 8311 | image_error ("Cannot find image file `%s'", specified_file, Qnil); |
8e39770a GM |
8312 | UNGCPRO; |
8313 | return 0; | |
8314 | } | |
177c0ea7 | 8315 | |
d5db4077 | 8316 | fp = fopen (SDATA (file), "r"); |
8e39770a GM |
8317 | if (fp == NULL) |
8318 | { | |
8319 | image_error ("Cannot open `%s'", file, Qnil); | |
8320 | UNGCPRO; | |
8321 | return 0; | |
8322 | } | |
333b20bb GM |
8323 | } |
8324 | ||
5ad6a5fb GM |
8325 | /* Customize libjpeg's error handling to call my_error_exit when an |
8326 | error is detected. This function will perform a longjmp. */ | |
333b20bb | 8327 | cinfo.err = jpeg_std_error (&mgr.pub); |
14358466 | 8328 | mgr.pub.error_exit = my_error_exit; |
177c0ea7 | 8329 | |
333b20bb GM |
8330 | if ((rc = setjmp (mgr.setjmp_buffer)) != 0) |
8331 | { | |
5ad6a5fb GM |
8332 | if (rc == 1) |
8333 | { | |
8334 | /* Called from my_error_exit. Display a JPEG error. */ | |
8335 | char buffer[JMSG_LENGTH_MAX]; | |
8336 | cinfo.err->format_message ((j_common_ptr) &cinfo, buffer); | |
45158a91 | 8337 | image_error ("Error reading JPEG image `%s': %s", img->spec, |
5ad6a5fb GM |
8338 | build_string (buffer)); |
8339 | } | |
177c0ea7 | 8340 | |
333b20bb | 8341 | /* Close the input file and destroy the JPEG object. */ |
5ad6a5fb | 8342 | if (fp) |
8ec8a5ec | 8343 | fclose ((FILE *) fp); |
333b20bb GM |
8344 | jpeg_destroy_decompress (&cinfo); |
8345 | ||
5ad6a5fb GM |
8346 | /* If we already have an XImage, free that. */ |
8347 | x_destroy_x_image (ximg); | |
333b20bb | 8348 | |
5ad6a5fb GM |
8349 | /* Free pixmap and colors. */ |
8350 | x_clear_image (f, img); | |
177c0ea7 | 8351 | |
5ad6a5fb GM |
8352 | UNGCPRO; |
8353 | return 0; | |
333b20bb GM |
8354 | } |
8355 | ||
8356 | /* Create the JPEG decompression object. Let it read from fp. | |
63448a4d | 8357 | Read the JPEG image header. */ |
333b20bb | 8358 | jpeg_create_decompress (&cinfo); |
8e39770a GM |
8359 | |
8360 | if (NILP (specified_data)) | |
8ec8a5ec | 8361 | jpeg_stdio_src (&cinfo, (FILE *) fp); |
8e39770a | 8362 | else |
d5db4077 KR |
8363 | jpeg_memory_src (&cinfo, SDATA (specified_data), |
8364 | SBYTES (specified_data)); | |
63448a4d | 8365 | |
333b20bb GM |
8366 | jpeg_read_header (&cinfo, TRUE); |
8367 | ||
8368 | /* Customize decompression so that color quantization will be used. | |
63448a4d | 8369 | Start decompression. */ |
333b20bb GM |
8370 | cinfo.quantize_colors = TRUE; |
8371 | jpeg_start_decompress (&cinfo); | |
8372 | width = img->width = cinfo.output_width; | |
8373 | height = img->height = cinfo.output_height; | |
8374 | ||
333b20bb | 8375 | /* Create X image and pixmap. */ |
45158a91 | 8376 | if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap)) |
28c7826c | 8377 | longjmp (mgr.setjmp_buffer, 2); |
333b20bb GM |
8378 | |
8379 | /* Allocate colors. When color quantization is used, | |
5ad6a5fb GM |
8380 | cinfo.actual_number_of_colors has been set with the number of |
8381 | colors generated, and cinfo.colormap is a two-dimensional array | |
8382 | of color indices in the range 0..cinfo.actual_number_of_colors. | |
8383 | No more than 255 colors will be generated. */ | |
333b20bb | 8384 | { |
5ad6a5fb GM |
8385 | int i, ir, ig, ib; |
8386 | ||
8387 | if (cinfo.out_color_components > 2) | |
8388 | ir = 0, ig = 1, ib = 2; | |
8389 | else if (cinfo.out_color_components > 1) | |
8390 | ir = 0, ig = 1, ib = 0; | |
8391 | else | |
8392 | ir = 0, ig = 0, ib = 0; | |
8393 | ||
8394 | /* Use the color table mechanism because it handles colors that | |
8395 | cannot be allocated nicely. Such colors will be replaced with | |
8396 | a default color, and we don't have to care about which colors | |
8397 | can be freed safely, and which can't. */ | |
8398 | init_color_table (); | |
8399 | colors = (unsigned long *) alloca (cinfo.actual_number_of_colors | |
8400 | * sizeof *colors); | |
177c0ea7 | 8401 | |
5ad6a5fb GM |
8402 | for (i = 0; i < cinfo.actual_number_of_colors; ++i) |
8403 | { | |
8404 | /* Multiply RGB values with 255 because X expects RGB values | |
8405 | in the range 0..0xffff. */ | |
8406 | int r = cinfo.colormap[ir][i] << 8; | |
8407 | int g = cinfo.colormap[ig][i] << 8; | |
8408 | int b = cinfo.colormap[ib][i] << 8; | |
8409 | colors[i] = lookup_rgb_color (f, r, g, b); | |
8410 | } | |
333b20bb | 8411 | |
5ad6a5fb GM |
8412 | /* Remember those colors actually allocated. */ |
8413 | img->colors = colors_in_color_table (&img->ncolors); | |
8414 | free_color_table (); | |
333b20bb GM |
8415 | } |
8416 | ||
8417 | /* Read pixels. */ | |
8418 | row_stride = width * cinfo.output_components; | |
8419 | buffer = cinfo.mem->alloc_sarray ((j_common_ptr) &cinfo, JPOOL_IMAGE, | |
5ad6a5fb | 8420 | row_stride, 1); |
333b20bb GM |
8421 | for (y = 0; y < height; ++y) |
8422 | { | |
5ad6a5fb GM |
8423 | jpeg_read_scanlines (&cinfo, buffer, 1); |
8424 | for (x = 0; x < cinfo.output_width; ++x) | |
8425 | XPutPixel (ximg, x, y, colors[buffer[0][x]]); | |
333b20bb GM |
8426 | } |
8427 | ||
8428 | /* Clean up. */ | |
8429 | jpeg_finish_decompress (&cinfo); | |
8430 | jpeg_destroy_decompress (&cinfo); | |
5ad6a5fb | 8431 | if (fp) |
8ec8a5ec | 8432 | fclose ((FILE *) fp); |
f20a3b7a MB |
8433 | |
8434 | /* Maybe fill in the background field while we have ximg handy. */ | |
8435 | if (NILP (image_spec_value (img->spec, QCbackground, NULL))) | |
8436 | IMAGE_BACKGROUND (img, f, ximg); | |
177c0ea7 | 8437 | |
333b20bb GM |
8438 | /* Put the image into the pixmap. */ |
8439 | x_put_x_image (f, ximg, img->pixmap, width, height); | |
8440 | x_destroy_x_image (ximg); | |
333b20bb GM |
8441 | UNGCPRO; |
8442 | return 1; | |
8443 | } | |
8444 | ||
8445 | #endif /* HAVE_JPEG */ | |
8446 | ||
8447 | ||
8448 | \f | |
8449 | /*********************************************************************** | |
8450 | TIFF | |
8451 | ***********************************************************************/ | |
8452 | ||
8453 | #if HAVE_TIFF | |
8454 | ||
cf4790ad | 8455 | #include <tiffio.h> |
333b20bb GM |
8456 | |
8457 | static int tiff_image_p P_ ((Lisp_Object object)); | |
8458 | static int tiff_load P_ ((struct frame *f, struct image *img)); | |
8459 | ||
8460 | /* The symbol `tiff' identifying images of this type. */ | |
8461 | ||
8462 | Lisp_Object Qtiff; | |
8463 | ||
8464 | /* Indices of image specification fields in tiff_format, below. */ | |
8465 | ||
8466 | enum tiff_keyword_index | |
8467 | { | |
8468 | TIFF_TYPE, | |
63448a4d | 8469 | TIFF_DATA, |
333b20bb GM |
8470 | TIFF_FILE, |
8471 | TIFF_ASCENT, | |
8472 | TIFF_MARGIN, | |
8473 | TIFF_RELIEF, | |
8474 | TIFF_ALGORITHM, | |
8475 | TIFF_HEURISTIC_MASK, | |
4a8e312c | 8476 | TIFF_MASK, |
f20a3b7a | 8477 | TIFF_BACKGROUND, |
333b20bb GM |
8478 | TIFF_LAST |
8479 | }; | |
8480 | ||
8481 | /* Vector of image_keyword structures describing the format | |
8482 | of valid user-defined image specifications. */ | |
8483 | ||
8484 | static struct image_keyword tiff_format[TIFF_LAST] = | |
8485 | { | |
8486 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
5ad6a5fb | 8487 | {":data", IMAGE_STRING_VALUE, 0}, |
63448a4d | 8488 | {":file", IMAGE_STRING_VALUE, 0}, |
7c7ff7f5 | 8489 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
3ed61e75 | 8490 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
333b20bb | 8491 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
d2dc8167 | 8492 | {":conversions", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
4a8e312c | 8493 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
f20a3b7a MB |
8494 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
8495 | {":background", IMAGE_STRING_OR_NIL_VALUE, 0} | |
333b20bb GM |
8496 | }; |
8497 | ||
8498 | /* Structure describing the image type `tiff'. */ | |
8499 | ||
8500 | static struct image_type tiff_type = | |
8501 | { | |
8502 | &Qtiff, | |
8503 | tiff_image_p, | |
8504 | tiff_load, | |
8505 | x_clear_image, | |
8506 | NULL | |
8507 | }; | |
8508 | ||
8509 | ||
8510 | /* Return non-zero if OBJECT is a valid TIFF image specification. */ | |
8511 | ||
8512 | static int | |
8513 | tiff_image_p (object) | |
8514 | Lisp_Object object; | |
8515 | { | |
8516 | struct image_keyword fmt[TIFF_LAST]; | |
8517 | bcopy (tiff_format, fmt, sizeof fmt); | |
177c0ea7 | 8518 | |
7c7ff7f5 | 8519 | if (!parse_image_spec (object, fmt, TIFF_LAST, Qtiff)) |
333b20bb | 8520 | return 0; |
177c0ea7 | 8521 | |
63cec32f GM |
8522 | /* Must specify either the :data or :file keyword. */ |
8523 | return fmt[TIFF_FILE].count + fmt[TIFF_DATA].count == 1; | |
333b20bb GM |
8524 | } |
8525 | ||
5ad6a5fb GM |
8526 | |
8527 | /* Reading from a memory buffer for TIFF images Based on the PNG | |
8528 | memory source, but we have to provide a lot of extra functions. | |
8529 | Blah. | |
63448a4d WP |
8530 | |
8531 | We really only need to implement read and seek, but I am not | |
8532 | convinced that the TIFF library is smart enough not to destroy | |
8533 | itself if we only hand it the function pointers we need to | |
5ad6a5fb GM |
8534 | override. */ |
8535 | ||
8536 | typedef struct | |
8537 | { | |
63448a4d WP |
8538 | unsigned char *bytes; |
8539 | size_t len; | |
8540 | int index; | |
5ad6a5fb GM |
8541 | } |
8542 | tiff_memory_source; | |
63448a4d | 8543 | |
e3130015 | 8544 | |
5ad6a5fb GM |
8545 | static size_t |
8546 | tiff_read_from_memory (data, buf, size) | |
8547 | thandle_t data; | |
8548 | tdata_t buf; | |
8549 | tsize_t size; | |
63448a4d | 8550 | { |
5ad6a5fb | 8551 | tiff_memory_source *src = (tiff_memory_source *) data; |
63448a4d WP |
8552 | |
8553 | if (size > src->len - src->index) | |
5ad6a5fb GM |
8554 | return (size_t) -1; |
8555 | bcopy (src->bytes + src->index, buf, size); | |
63448a4d WP |
8556 | src->index += size; |
8557 | return size; | |
8558 | } | |
8559 | ||
e3130015 | 8560 | |
5ad6a5fb GM |
8561 | static size_t |
8562 | tiff_write_from_memory (data, buf, size) | |
8563 | thandle_t data; | |
8564 | tdata_t buf; | |
8565 | tsize_t size; | |
63448a4d WP |
8566 | { |
8567 | return (size_t) -1; | |
8568 | } | |
8569 | ||
e3130015 | 8570 | |
5ad6a5fb GM |
8571 | static toff_t |
8572 | tiff_seek_in_memory (data, off, whence) | |
8573 | thandle_t data; | |
8574 | toff_t off; | |
8575 | int whence; | |
63448a4d | 8576 | { |
5ad6a5fb | 8577 | tiff_memory_source *src = (tiff_memory_source *) data; |
63448a4d WP |
8578 | int idx; |
8579 | ||
8580 | switch (whence) | |
5ad6a5fb GM |
8581 | { |
8582 | case SEEK_SET: /* Go from beginning of source. */ | |
8583 | idx = off; | |
8584 | break; | |
177c0ea7 | 8585 | |
5ad6a5fb GM |
8586 | case SEEK_END: /* Go from end of source. */ |
8587 | idx = src->len + off; | |
8588 | break; | |
177c0ea7 | 8589 | |
5ad6a5fb GM |
8590 | case SEEK_CUR: /* Go from current position. */ |
8591 | idx = src->index + off; | |
8592 | break; | |
177c0ea7 | 8593 | |
5ad6a5fb GM |
8594 | default: /* Invalid `whence'. */ |
8595 | return -1; | |
8596 | } | |
177c0ea7 | 8597 | |
5ad6a5fb GM |
8598 | if (idx > src->len || idx < 0) |
8599 | return -1; | |
177c0ea7 | 8600 | |
63448a4d WP |
8601 | src->index = idx; |
8602 | return src->index; | |
8603 | } | |
8604 | ||
e3130015 | 8605 | |
5ad6a5fb GM |
8606 | static int |
8607 | tiff_close_memory (data) | |
8608 | thandle_t data; | |
63448a4d WP |
8609 | { |
8610 | /* NOOP */ | |
5ad6a5fb | 8611 | return 0; |
63448a4d WP |
8612 | } |
8613 | ||
e3130015 | 8614 | |
5ad6a5fb GM |
8615 | static int |
8616 | tiff_mmap_memory (data, pbase, psize) | |
8617 | thandle_t data; | |
8618 | tdata_t *pbase; | |
8619 | toff_t *psize; | |
63448a4d WP |
8620 | { |
8621 | /* It is already _IN_ memory. */ | |
5ad6a5fb | 8622 | return 0; |
63448a4d WP |
8623 | } |
8624 | ||
e3130015 | 8625 | |
5ad6a5fb GM |
8626 | static void |
8627 | tiff_unmap_memory (data, base, size) | |
8628 | thandle_t data; | |
8629 | tdata_t base; | |
8630 | toff_t size; | |
63448a4d WP |
8631 | { |
8632 | /* We don't need to do this. */ | |
63448a4d WP |
8633 | } |
8634 | ||
e3130015 | 8635 | |
5ad6a5fb GM |
8636 | static toff_t |
8637 | tiff_size_of_memory (data) | |
8638 | thandle_t data; | |
63448a4d | 8639 | { |
5ad6a5fb | 8640 | return ((tiff_memory_source *) data)->len; |
63448a4d | 8641 | } |
333b20bb | 8642 | |
e3130015 | 8643 | |
c6892044 GM |
8644 | static void |
8645 | tiff_error_handler (title, format, ap) | |
8646 | const char *title, *format; | |
8647 | va_list ap; | |
8648 | { | |
8649 | char buf[512]; | |
8650 | int len; | |
177c0ea7 | 8651 | |
c6892044 GM |
8652 | len = sprintf (buf, "TIFF error: %s ", title); |
8653 | vsprintf (buf + len, format, ap); | |
8654 | add_to_log (buf, Qnil, Qnil); | |
8655 | } | |
8656 | ||
8657 | ||
8658 | static void | |
8659 | tiff_warning_handler (title, format, ap) | |
8660 | const char *title, *format; | |
8661 | va_list ap; | |
8662 | { | |
8663 | char buf[512]; | |
8664 | int len; | |
177c0ea7 | 8665 | |
c6892044 GM |
8666 | len = sprintf (buf, "TIFF warning: %s ", title); |
8667 | vsprintf (buf + len, format, ap); | |
8668 | add_to_log (buf, Qnil, Qnil); | |
8669 | } | |
8670 | ||
8671 | ||
333b20bb GM |
8672 | /* Load TIFF image IMG for use on frame F. Value is non-zero if |
8673 | successful. */ | |
8674 | ||
8675 | static int | |
8676 | tiff_load (f, img) | |
8677 | struct frame *f; | |
8678 | struct image *img; | |
8679 | { | |
8680 | Lisp_Object file, specified_file; | |
63448a4d | 8681 | Lisp_Object specified_data; |
333b20bb GM |
8682 | TIFF *tiff; |
8683 | int width, height, x, y; | |
8684 | uint32 *buf; | |
8685 | int rc; | |
8686 | XImage *ximg; | |
8687 | struct gcpro gcpro1; | |
63448a4d | 8688 | tiff_memory_source memsrc; |
333b20bb GM |
8689 | |
8690 | specified_file = image_spec_value (img->spec, QCfile, NULL); | |
63448a4d | 8691 | specified_data = image_spec_value (img->spec, QCdata, NULL); |
5ad6a5fb GM |
8692 | file = Qnil; |
8693 | GCPRO1 (file); | |
63448a4d | 8694 | |
c6892044 GM |
8695 | TIFFSetErrorHandler (tiff_error_handler); |
8696 | TIFFSetWarningHandler (tiff_warning_handler); | |
8697 | ||
63448a4d | 8698 | if (NILP (specified_data)) |
5ad6a5fb GM |
8699 | { |
8700 | /* Read from a file */ | |
8701 | file = x_find_image_file (specified_file); | |
8702 | if (!STRINGP (file)) | |
63448a4d | 8703 | { |
45158a91 | 8704 | image_error ("Cannot find image file `%s'", file, Qnil); |
5ad6a5fb GM |
8705 | UNGCPRO; |
8706 | return 0; | |
8707 | } | |
177c0ea7 | 8708 | |
5ad6a5fb | 8709 | /* Try to open the image file. */ |
d5db4077 | 8710 | tiff = TIFFOpen (SDATA (file), "r"); |
5ad6a5fb GM |
8711 | if (tiff == NULL) |
8712 | { | |
8713 | image_error ("Cannot open `%s'", file, Qnil); | |
8714 | UNGCPRO; | |
8715 | return 0; | |
63448a4d | 8716 | } |
5ad6a5fb | 8717 | } |
63448a4d | 8718 | else |
5ad6a5fb GM |
8719 | { |
8720 | /* Memory source! */ | |
d5db4077 KR |
8721 | memsrc.bytes = SDATA (specified_data); |
8722 | memsrc.len = SBYTES (specified_data); | |
5ad6a5fb GM |
8723 | memsrc.index = 0; |
8724 | ||
8725 | tiff = TIFFClientOpen ("memory_source", "r", &memsrc, | |
8726 | (TIFFReadWriteProc) tiff_read_from_memory, | |
8727 | (TIFFReadWriteProc) tiff_write_from_memory, | |
8728 | tiff_seek_in_memory, | |
8729 | tiff_close_memory, | |
8730 | tiff_size_of_memory, | |
8731 | tiff_mmap_memory, | |
8732 | tiff_unmap_memory); | |
8733 | ||
8734 | if (!tiff) | |
63448a4d | 8735 | { |
45158a91 | 8736 | image_error ("Cannot open memory source for `%s'", img->spec, Qnil); |
5ad6a5fb GM |
8737 | UNGCPRO; |
8738 | return 0; | |
63448a4d | 8739 | } |
5ad6a5fb | 8740 | } |
333b20bb GM |
8741 | |
8742 | /* Get width and height of the image, and allocate a raster buffer | |
8743 | of width x height 32-bit values. */ | |
8744 | TIFFGetField (tiff, TIFFTAG_IMAGEWIDTH, &width); | |
8745 | TIFFGetField (tiff, TIFFTAG_IMAGELENGTH, &height); | |
8746 | buf = (uint32 *) xmalloc (width * height * sizeof *buf); | |
177c0ea7 | 8747 | |
333b20bb GM |
8748 | rc = TIFFReadRGBAImage (tiff, width, height, buf, 0); |
8749 | TIFFClose (tiff); | |
8750 | if (!rc) | |
8751 | { | |
45158a91 | 8752 | image_error ("Error reading TIFF image `%s'", img->spec, Qnil); |
333b20bb GM |
8753 | xfree (buf); |
8754 | UNGCPRO; | |
8755 | return 0; | |
8756 | } | |
8757 | ||
333b20bb | 8758 | /* Create the X image and pixmap. */ |
45158a91 | 8759 | if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap)) |
333b20bb | 8760 | { |
333b20bb GM |
8761 | xfree (buf); |
8762 | UNGCPRO; | |
8763 | return 0; | |
8764 | } | |
8765 | ||
8766 | /* Initialize the color table. */ | |
8767 | init_color_table (); | |
8768 | ||
8769 | /* Process the pixel raster. Origin is in the lower-left corner. */ | |
8770 | for (y = 0; y < height; ++y) | |
8771 | { | |
8772 | uint32 *row = buf + y * width; | |
177c0ea7 | 8773 | |
333b20bb GM |
8774 | for (x = 0; x < width; ++x) |
8775 | { | |
8776 | uint32 abgr = row[x]; | |
8777 | int r = TIFFGetR (abgr) << 8; | |
8778 | int g = TIFFGetG (abgr) << 8; | |
8779 | int b = TIFFGetB (abgr) << 8; | |
177c0ea7 | 8780 | XPutPixel (ximg, x, height - 1 - y, lookup_rgb_color (f, r, g, b)); |
333b20bb GM |
8781 | } |
8782 | } | |
8783 | ||
8784 | /* Remember the colors allocated for the image. Free the color table. */ | |
8785 | img->colors = colors_in_color_table (&img->ncolors); | |
8786 | free_color_table (); | |
177c0ea7 | 8787 | |
f20a3b7a MB |
8788 | img->width = width; |
8789 | img->height = height; | |
8790 | ||
8791 | /* Maybe fill in the background field while we have ximg handy. */ | |
8792 | if (NILP (image_spec_value (img->spec, QCbackground, NULL))) | |
8793 | IMAGE_BACKGROUND (img, f, ximg); | |
333b20bb GM |
8794 | |
8795 | /* Put the image into the pixmap, then free the X image and its buffer. */ | |
8796 | x_put_x_image (f, ximg, img->pixmap, width, height); | |
8797 | x_destroy_x_image (ximg); | |
8798 | xfree (buf); | |
333b20bb GM |
8799 | |
8800 | UNGCPRO; | |
8801 | return 1; | |
8802 | } | |
8803 | ||
8804 | #endif /* HAVE_TIFF != 0 */ | |
8805 | ||
8806 | ||
8807 | \f | |
8808 | /*********************************************************************** | |
8809 | GIF | |
8810 | ***********************************************************************/ | |
8811 | ||
8812 | #if HAVE_GIF | |
8813 | ||
8814 | #include <gif_lib.h> | |
8815 | ||
8816 | static int gif_image_p P_ ((Lisp_Object object)); | |
8817 | static int gif_load P_ ((struct frame *f, struct image *img)); | |
8818 | ||
8819 | /* The symbol `gif' identifying images of this type. */ | |
8820 | ||
8821 | Lisp_Object Qgif; | |
8822 | ||
8823 | /* Indices of image specification fields in gif_format, below. */ | |
8824 | ||
8825 | enum gif_keyword_index | |
8826 | { | |
8827 | GIF_TYPE, | |
63448a4d | 8828 | GIF_DATA, |
333b20bb GM |
8829 | GIF_FILE, |
8830 | GIF_ASCENT, | |
8831 | GIF_MARGIN, | |
8832 | GIF_RELIEF, | |
8833 | GIF_ALGORITHM, | |
8834 | GIF_HEURISTIC_MASK, | |
4a8e312c | 8835 | GIF_MASK, |
333b20bb | 8836 | GIF_IMAGE, |
f20a3b7a | 8837 | GIF_BACKGROUND, |
333b20bb GM |
8838 | GIF_LAST |
8839 | }; | |
8840 | ||
8841 | /* Vector of image_keyword structures describing the format | |
8842 | of valid user-defined image specifications. */ | |
8843 | ||
8844 | static struct image_keyword gif_format[GIF_LAST] = | |
8845 | { | |
8846 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
5ad6a5fb | 8847 | {":data", IMAGE_STRING_VALUE, 0}, |
63448a4d | 8848 | {":file", IMAGE_STRING_VALUE, 0}, |
7c7ff7f5 | 8849 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
3ed61e75 | 8850 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
333b20bb | 8851 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
d2dc8167 | 8852 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
333b20bb | 8853 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
4a8e312c | 8854 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
f2f0a644 | 8855 | {":image", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0}, |
f20a3b7a | 8856 | {":background", IMAGE_STRING_OR_NIL_VALUE, 0} |
333b20bb GM |
8857 | }; |
8858 | ||
8859 | /* Structure describing the image type `gif'. */ | |
8860 | ||
8861 | static struct image_type gif_type = | |
8862 | { | |
8863 | &Qgif, | |
8864 | gif_image_p, | |
8865 | gif_load, | |
8866 | x_clear_image, | |
8867 | NULL | |
8868 | }; | |
8869 | ||
e3130015 | 8870 | |
333b20bb GM |
8871 | /* Return non-zero if OBJECT is a valid GIF image specification. */ |
8872 | ||
8873 | static int | |
8874 | gif_image_p (object) | |
8875 | Lisp_Object object; | |
8876 | { | |
8877 | struct image_keyword fmt[GIF_LAST]; | |
8878 | bcopy (gif_format, fmt, sizeof fmt); | |
177c0ea7 | 8879 | |
7c7ff7f5 | 8880 | if (!parse_image_spec (object, fmt, GIF_LAST, Qgif)) |
333b20bb | 8881 | return 0; |
177c0ea7 | 8882 | |
63cec32f GM |
8883 | /* Must specify either the :data or :file keyword. */ |
8884 | return fmt[GIF_FILE].count + fmt[GIF_DATA].count == 1; | |
333b20bb GM |
8885 | } |
8886 | ||
e3130015 | 8887 | |
63448a4d WP |
8888 | /* Reading a GIF image from memory |
8889 | Based on the PNG memory stuff to a certain extent. */ | |
8890 | ||
5ad6a5fb GM |
8891 | typedef struct |
8892 | { | |
63448a4d WP |
8893 | unsigned char *bytes; |
8894 | size_t len; | |
8895 | int index; | |
5ad6a5fb GM |
8896 | } |
8897 | gif_memory_source; | |
63448a4d | 8898 | |
e3130015 | 8899 | |
f036834a GM |
8900 | /* Make the current memory source available to gif_read_from_memory. |
8901 | It's done this way because not all versions of libungif support | |
8902 | a UserData field in the GifFileType structure. */ | |
8903 | static gif_memory_source *current_gif_memory_src; | |
8904 | ||
5ad6a5fb GM |
8905 | static int |
8906 | gif_read_from_memory (file, buf, len) | |
8907 | GifFileType *file; | |
8908 | GifByteType *buf; | |
8909 | int len; | |
63448a4d | 8910 | { |
f036834a | 8911 | gif_memory_source *src = current_gif_memory_src; |
63448a4d | 8912 | |
5ad6a5fb GM |
8913 | if (len > src->len - src->index) |
8914 | return -1; | |
63448a4d | 8915 | |
5ad6a5fb | 8916 | bcopy (src->bytes + src->index, buf, len); |
63448a4d WP |
8917 | src->index += len; |
8918 | return len; | |
8919 | } | |
333b20bb | 8920 | |
5ad6a5fb | 8921 | |
333b20bb GM |
8922 | /* Load GIF image IMG for use on frame F. Value is non-zero if |
8923 | successful. */ | |
8924 | ||
8925 | static int | |
8926 | gif_load (f, img) | |
8927 | struct frame *f; | |
8928 | struct image *img; | |
8929 | { | |
8930 | Lisp_Object file, specified_file; | |
63448a4d | 8931 | Lisp_Object specified_data; |
333b20bb GM |
8932 | int rc, width, height, x, y, i; |
8933 | XImage *ximg; | |
8934 | ColorMapObject *gif_color_map; | |
8935 | unsigned long pixel_colors[256]; | |
8936 | GifFileType *gif; | |
8937 | struct gcpro gcpro1; | |
8938 | Lisp_Object image; | |
8939 | int ino, image_left, image_top, image_width, image_height; | |
63448a4d | 8940 | gif_memory_source memsrc; |
9b784e96 | 8941 | unsigned char *raster; |
333b20bb GM |
8942 | |
8943 | specified_file = image_spec_value (img->spec, QCfile, NULL); | |
63448a4d | 8944 | specified_data = image_spec_value (img->spec, QCdata, NULL); |
5ad6a5fb GM |
8945 | file = Qnil; |
8946 | GCPRO1 (file); | |
63448a4d WP |
8947 | |
8948 | if (NILP (specified_data)) | |
5ad6a5fb GM |
8949 | { |
8950 | file = x_find_image_file (specified_file); | |
8951 | if (!STRINGP (file)) | |
63448a4d | 8952 | { |
45158a91 | 8953 | image_error ("Cannot find image file `%s'", specified_file, Qnil); |
5ad6a5fb GM |
8954 | UNGCPRO; |
8955 | return 0; | |
8956 | } | |
177c0ea7 | 8957 | |
5ad6a5fb | 8958 | /* Open the GIF file. */ |
d5db4077 | 8959 | gif = DGifOpenFileName (SDATA (file)); |
5ad6a5fb GM |
8960 | if (gif == NULL) |
8961 | { | |
8962 | image_error ("Cannot open `%s'", file, Qnil); | |
8963 | UNGCPRO; | |
8964 | return 0; | |
63448a4d | 8965 | } |
5ad6a5fb | 8966 | } |
63448a4d | 8967 | else |
5ad6a5fb GM |
8968 | { |
8969 | /* Read from memory! */ | |
f036834a | 8970 | current_gif_memory_src = &memsrc; |
d5db4077 KR |
8971 | memsrc.bytes = SDATA (specified_data); |
8972 | memsrc.len = SBYTES (specified_data); | |
5ad6a5fb | 8973 | memsrc.index = 0; |
63448a4d | 8974 | |
5ad6a5fb GM |
8975 | gif = DGifOpen(&memsrc, gif_read_from_memory); |
8976 | if (!gif) | |
8977 | { | |
45158a91 | 8978 | image_error ("Cannot open memory source `%s'", img->spec, Qnil); |
5ad6a5fb GM |
8979 | UNGCPRO; |
8980 | return 0; | |
63448a4d | 8981 | } |
5ad6a5fb | 8982 | } |
333b20bb GM |
8983 | |
8984 | /* Read entire contents. */ | |
8985 | rc = DGifSlurp (gif); | |
8986 | if (rc == GIF_ERROR) | |
8987 | { | |
45158a91 | 8988 | image_error ("Error reading `%s'", img->spec, Qnil); |
333b20bb GM |
8989 | DGifCloseFile (gif); |
8990 | UNGCPRO; | |
8991 | return 0; | |
8992 | } | |
8993 | ||
3ccff1e3 | 8994 | image = image_spec_value (img->spec, QCindex, NULL); |
333b20bb GM |
8995 | ino = INTEGERP (image) ? XFASTINT (image) : 0; |
8996 | if (ino >= gif->ImageCount) | |
8997 | { | |
45158a91 GM |
8998 | image_error ("Invalid image number `%s' in image `%s'", |
8999 | image, img->spec); | |
333b20bb GM |
9000 | DGifCloseFile (gif); |
9001 | UNGCPRO; | |
9002 | return 0; | |
9003 | } | |
9004 | ||
c7f07c4c PJ |
9005 | width = img->width = max (gif->SWidth, gif->Image.Left + gif->Image.Width); |
9006 | height = img->height = max (gif->SHeight, gif->Image.Top + gif->Image.Height); | |
333b20bb | 9007 | |
333b20bb | 9008 | /* Create the X image and pixmap. */ |
45158a91 | 9009 | if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap)) |
333b20bb | 9010 | { |
333b20bb GM |
9011 | DGifCloseFile (gif); |
9012 | UNGCPRO; | |
9013 | return 0; | |
9014 | } | |
177c0ea7 | 9015 | |
333b20bb GM |
9016 | /* Allocate colors. */ |
9017 | gif_color_map = gif->SavedImages[ino].ImageDesc.ColorMap; | |
9018 | if (!gif_color_map) | |
9019 | gif_color_map = gif->SColorMap; | |
9020 | init_color_table (); | |
9021 | bzero (pixel_colors, sizeof pixel_colors); | |
177c0ea7 | 9022 | |
333b20bb GM |
9023 | for (i = 0; i < gif_color_map->ColorCount; ++i) |
9024 | { | |
9025 | int r = gif_color_map->Colors[i].Red << 8; | |
9026 | int g = gif_color_map->Colors[i].Green << 8; | |
9027 | int b = gif_color_map->Colors[i].Blue << 8; | |
9028 | pixel_colors[i] = lookup_rgb_color (f, r, g, b); | |
9029 | } | |
9030 | ||
9031 | img->colors = colors_in_color_table (&img->ncolors); | |
9032 | free_color_table (); | |
9033 | ||
9034 | /* Clear the part of the screen image that are not covered by | |
177c0ea7 | 9035 | the image from the GIF file. Full animated GIF support |
333b20bb GM |
9036 | requires more than can be done here (see the gif89 spec, |
9037 | disposal methods). Let's simply assume that the part | |
9038 | not covered by a sub-image is in the frame's background color. */ | |
9039 | image_top = gif->SavedImages[ino].ImageDesc.Top; | |
9040 | image_left = gif->SavedImages[ino].ImageDesc.Left; | |
9041 | image_width = gif->SavedImages[ino].ImageDesc.Width; | |
9042 | image_height = gif->SavedImages[ino].ImageDesc.Height; | |
9043 | ||
9044 | for (y = 0; y < image_top; ++y) | |
9045 | for (x = 0; x < width; ++x) | |
9046 | XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); | |
9047 | ||
9048 | for (y = image_top + image_height; y < height; ++y) | |
9049 | for (x = 0; x < width; ++x) | |
9050 | XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); | |
9051 | ||
9052 | for (y = image_top; y < image_top + image_height; ++y) | |
9053 | { | |
9054 | for (x = 0; x < image_left; ++x) | |
9055 | XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); | |
9056 | for (x = image_left + image_width; x < width; ++x) | |
9057 | XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); | |
9058 | } | |
9059 | ||
9b784e96 GM |
9060 | /* Read the GIF image into the X image. We use a local variable |
9061 | `raster' here because RasterBits below is a char *, and invites | |
9062 | problems with bytes >= 0x80. */ | |
9063 | raster = (unsigned char *) gif->SavedImages[ino].RasterBits; | |
177c0ea7 | 9064 | |
333b20bb GM |
9065 | if (gif->SavedImages[ino].ImageDesc.Interlace) |
9066 | { | |
9067 | static int interlace_start[] = {0, 4, 2, 1}; | |
9068 | static int interlace_increment[] = {8, 8, 4, 2}; | |
9b207e8e | 9069 | int pass; |
06482119 GM |
9070 | int row = interlace_start[0]; |
9071 | ||
9072 | pass = 0; | |
333b20bb | 9073 | |
06482119 | 9074 | for (y = 0; y < image_height; y++) |
333b20bb | 9075 | { |
06482119 GM |
9076 | if (row >= image_height) |
9077 | { | |
9078 | row = interlace_start[++pass]; | |
9079 | while (row >= image_height) | |
9080 | row = interlace_start[++pass]; | |
9081 | } | |
177c0ea7 | 9082 | |
06482119 GM |
9083 | for (x = 0; x < image_width; x++) |
9084 | { | |
9b784e96 | 9085 | int i = raster[(y * image_width) + x]; |
06482119 GM |
9086 | XPutPixel (ximg, x + image_left, row + image_top, |
9087 | pixel_colors[i]); | |
9088 | } | |
177c0ea7 | 9089 | |
06482119 | 9090 | row += interlace_increment[pass]; |
333b20bb GM |
9091 | } |
9092 | } | |
9093 | else | |
9094 | { | |
9095 | for (y = 0; y < image_height; ++y) | |
9096 | for (x = 0; x < image_width; ++x) | |
9097 | { | |
9b784e96 | 9098 | int i = raster[y * image_width + x]; |
333b20bb GM |
9099 | XPutPixel (ximg, x + image_left, y + image_top, pixel_colors[i]); |
9100 | } | |
9101 | } | |
177c0ea7 | 9102 | |
333b20bb | 9103 | DGifCloseFile (gif); |
f20a3b7a MB |
9104 | |
9105 | /* Maybe fill in the background field while we have ximg handy. */ | |
9106 | if (NILP (image_spec_value (img->spec, QCbackground, NULL))) | |
9107 | IMAGE_BACKGROUND (img, f, ximg); | |
177c0ea7 | 9108 | |
333b20bb GM |
9109 | /* Put the image into the pixmap, then free the X image and its buffer. */ |
9110 | x_put_x_image (f, ximg, img->pixmap, width, height); | |
9111 | x_destroy_x_image (ximg); | |
177c0ea7 | 9112 | |
333b20bb GM |
9113 | UNGCPRO; |
9114 | return 1; | |
9115 | } | |
9116 | ||
9117 | #endif /* HAVE_GIF != 0 */ | |
9118 | ||
9119 | ||
9120 | \f | |
9121 | /*********************************************************************** | |
9122 | Ghostscript | |
9123 | ***********************************************************************/ | |
9124 | ||
9125 | static int gs_image_p P_ ((Lisp_Object object)); | |
9126 | static int gs_load P_ ((struct frame *f, struct image *img)); | |
9127 | static void gs_clear_image P_ ((struct frame *f, struct image *img)); | |
9128 | ||
fcf431dc | 9129 | /* The symbol `postscript' identifying images of this type. */ |
333b20bb | 9130 | |
fcf431dc | 9131 | Lisp_Object Qpostscript; |
333b20bb GM |
9132 | |
9133 | /* Keyword symbols. */ | |
9134 | ||
9135 | Lisp_Object QCloader, QCbounding_box, QCpt_width, QCpt_height; | |
9136 | ||
9137 | /* Indices of image specification fields in gs_format, below. */ | |
9138 | ||
9139 | enum gs_keyword_index | |
9140 | { | |
9141 | GS_TYPE, | |
9142 | GS_PT_WIDTH, | |
9143 | GS_PT_HEIGHT, | |
9144 | GS_FILE, | |
9145 | GS_LOADER, | |
9146 | GS_BOUNDING_BOX, | |
9147 | GS_ASCENT, | |
9148 | GS_MARGIN, | |
9149 | GS_RELIEF, | |
9150 | GS_ALGORITHM, | |
9151 | GS_HEURISTIC_MASK, | |
4a8e312c | 9152 | GS_MASK, |
f20a3b7a | 9153 | GS_BACKGROUND, |
333b20bb GM |
9154 | GS_LAST |
9155 | }; | |
9156 | ||
9157 | /* Vector of image_keyword structures describing the format | |
9158 | of valid user-defined image specifications. */ | |
9159 | ||
9160 | static struct image_keyword gs_format[GS_LAST] = | |
9161 | { | |
9162 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
9163 | {":pt-width", IMAGE_POSITIVE_INTEGER_VALUE, 1}, | |
9164 | {":pt-height", IMAGE_POSITIVE_INTEGER_VALUE, 1}, | |
9165 | {":file", IMAGE_STRING_VALUE, 1}, | |
9166 | {":loader", IMAGE_FUNCTION_VALUE, 0}, | |
9167 | {":bounding-box", IMAGE_DONT_CHECK_VALUE_TYPE, 1}, | |
7c7ff7f5 | 9168 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
3ed61e75 | 9169 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
333b20bb | 9170 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
d2dc8167 | 9171 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
4a8e312c | 9172 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
f20a3b7a MB |
9173 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
9174 | {":background", IMAGE_STRING_OR_NIL_VALUE, 0} | |
333b20bb GM |
9175 | }; |
9176 | ||
9177 | /* Structure describing the image type `ghostscript'. */ | |
9178 | ||
9179 | static struct image_type gs_type = | |
9180 | { | |
fcf431dc | 9181 | &Qpostscript, |
333b20bb GM |
9182 | gs_image_p, |
9183 | gs_load, | |
9184 | gs_clear_image, | |
9185 | NULL | |
9186 | }; | |
9187 | ||
9188 | ||
9189 | /* Free X resources of Ghostscript image IMG which is used on frame F. */ | |
9190 | ||
9191 | static void | |
9192 | gs_clear_image (f, img) | |
9193 | struct frame *f; | |
9194 | struct image *img; | |
9195 | { | |
9196 | /* IMG->data.ptr_val may contain a recorded colormap. */ | |
9197 | xfree (img->data.ptr_val); | |
9198 | x_clear_image (f, img); | |
9199 | } | |
9200 | ||
9201 | ||
9202 | /* Return non-zero if OBJECT is a valid Ghostscript image | |
9203 | specification. */ | |
9204 | ||
9205 | static int | |
9206 | gs_image_p (object) | |
9207 | Lisp_Object object; | |
9208 | { | |
9209 | struct image_keyword fmt[GS_LAST]; | |
9210 | Lisp_Object tem; | |
9211 | int i; | |
177c0ea7 | 9212 | |
333b20bb | 9213 | bcopy (gs_format, fmt, sizeof fmt); |
177c0ea7 | 9214 | |
7c7ff7f5 | 9215 | if (!parse_image_spec (object, fmt, GS_LAST, Qpostscript)) |
333b20bb GM |
9216 | return 0; |
9217 | ||
9218 | /* Bounding box must be a list or vector containing 4 integers. */ | |
9219 | tem = fmt[GS_BOUNDING_BOX].value; | |
9220 | if (CONSP (tem)) | |
9221 | { | |
9222 | for (i = 0; i < 4; ++i, tem = XCDR (tem)) | |
9223 | if (!CONSP (tem) || !INTEGERP (XCAR (tem))) | |
9224 | return 0; | |
9225 | if (!NILP (tem)) | |
9226 | return 0; | |
9227 | } | |
9228 | else if (VECTORP (tem)) | |
9229 | { | |
9230 | if (XVECTOR (tem)->size != 4) | |
9231 | return 0; | |
9232 | for (i = 0; i < 4; ++i) | |
9233 | if (!INTEGERP (XVECTOR (tem)->contents[i])) | |
9234 | return 0; | |
9235 | } | |
9236 | else | |
9237 | return 0; | |
9238 | ||
9239 | return 1; | |
9240 | } | |
9241 | ||
9242 | ||
9243 | /* Load Ghostscript image IMG for use on frame F. Value is non-zero | |
9244 | if successful. */ | |
9245 | ||
9246 | static int | |
9247 | gs_load (f, img) | |
9248 | struct frame *f; | |
9249 | struct image *img; | |
9250 | { | |
9251 | char buffer[100]; | |
9252 | Lisp_Object window_and_pixmap_id = Qnil, loader, pt_height, pt_width; | |
9253 | struct gcpro gcpro1, gcpro2; | |
9254 | Lisp_Object frame; | |
9255 | double in_width, in_height; | |
9256 | Lisp_Object pixel_colors = Qnil; | |
9257 | ||
9258 | /* Compute pixel size of pixmap needed from the given size in the | |
9259 | image specification. Sizes in the specification are in pt. 1 pt | |
9260 | = 1/72 in, xdpi and ydpi are stored in the frame's X display | |
9261 | info. */ | |
9262 | pt_width = image_spec_value (img->spec, QCpt_width, NULL); | |
9263 | in_width = XFASTINT (pt_width) / 72.0; | |
9264 | img->width = in_width * FRAME_X_DISPLAY_INFO (f)->resx; | |
9265 | pt_height = image_spec_value (img->spec, QCpt_height, NULL); | |
9266 | in_height = XFASTINT (pt_height) / 72.0; | |
9267 | img->height = in_height * FRAME_X_DISPLAY_INFO (f)->resy; | |
9268 | ||
9269 | /* Create the pixmap. */ | |
dd00328a | 9270 | xassert (img->pixmap == None); |
333b20bb GM |
9271 | img->pixmap = XCreatePixmap (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
9272 | img->width, img->height, | |
9273 | DefaultDepthOfScreen (FRAME_X_SCREEN (f))); | |
333b20bb GM |
9274 | |
9275 | if (!img->pixmap) | |
9276 | { | |
45158a91 | 9277 | image_error ("Unable to create pixmap for `%s'", img->spec, Qnil); |
333b20bb GM |
9278 | return 0; |
9279 | } | |
177c0ea7 | 9280 | |
333b20bb GM |
9281 | /* Call the loader to fill the pixmap. It returns a process object |
9282 | if successful. We do not record_unwind_protect here because | |
9283 | other places in redisplay like calling window scroll functions | |
9284 | don't either. Let the Lisp loader use `unwind-protect' instead. */ | |
9285 | GCPRO2 (window_and_pixmap_id, pixel_colors); | |
9286 | ||
9287 | sprintf (buffer, "%lu %lu", | |
9288 | (unsigned long) FRAME_X_WINDOW (f), | |
9289 | (unsigned long) img->pixmap); | |
9290 | window_and_pixmap_id = build_string (buffer); | |
177c0ea7 | 9291 | |
333b20bb GM |
9292 | sprintf (buffer, "%lu %lu", |
9293 | FRAME_FOREGROUND_PIXEL (f), | |
9294 | FRAME_BACKGROUND_PIXEL (f)); | |
9295 | pixel_colors = build_string (buffer); | |
177c0ea7 | 9296 | |
333b20bb GM |
9297 | XSETFRAME (frame, f); |
9298 | loader = image_spec_value (img->spec, QCloader, NULL); | |
9299 | if (NILP (loader)) | |
9300 | loader = intern ("gs-load-image"); | |
9301 | ||
9302 | img->data.lisp_val = call6 (loader, frame, img->spec, | |
9303 | make_number (img->width), | |
9304 | make_number (img->height), | |
9305 | window_and_pixmap_id, | |
9306 | pixel_colors); | |
9307 | UNGCPRO; | |
9308 | return PROCESSP (img->data.lisp_val); | |
9309 | } | |
9310 | ||
9311 | ||
9312 | /* Kill the Ghostscript process that was started to fill PIXMAP on | |
9313 | frame F. Called from XTread_socket when receiving an event | |
9314 | telling Emacs that Ghostscript has finished drawing. */ | |
9315 | ||
9316 | void | |
9317 | x_kill_gs_process (pixmap, f) | |
9318 | Pixmap pixmap; | |
9319 | struct frame *f; | |
9320 | { | |
9321 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); | |
9322 | int class, i; | |
9323 | struct image *img; | |
9324 | ||
9325 | /* Find the image containing PIXMAP. */ | |
9326 | for (i = 0; i < c->used; ++i) | |
9327 | if (c->images[i]->pixmap == pixmap) | |
9328 | break; | |
9329 | ||
daba7643 GM |
9330 | /* Should someone in between have cleared the image cache, for |
9331 | instance, give up. */ | |
9332 | if (i == c->used) | |
9333 | return; | |
177c0ea7 | 9334 | |
333b20bb GM |
9335 | /* Kill the GS process. We should have found PIXMAP in the image |
9336 | cache and its image should contain a process object. */ | |
333b20bb GM |
9337 | img = c->images[i]; |
9338 | xassert (PROCESSP (img->data.lisp_val)); | |
9339 | Fkill_process (img->data.lisp_val, Qnil); | |
9340 | img->data.lisp_val = Qnil; | |
9341 | ||
9342 | /* On displays with a mutable colormap, figure out the colors | |
9343 | allocated for the image by looking at the pixels of an XImage for | |
9344 | img->pixmap. */ | |
383d6ffc | 9345 | class = FRAME_X_VISUAL (f)->class; |
333b20bb GM |
9346 | if (class != StaticColor && class != StaticGray && class != TrueColor) |
9347 | { | |
9348 | XImage *ximg; | |
9349 | ||
9350 | BLOCK_INPUT; | |
9351 | ||
9352 | /* Try to get an XImage for img->pixmep. */ | |
9353 | ximg = XGetImage (FRAME_X_DISPLAY (f), img->pixmap, | |
9354 | 0, 0, img->width, img->height, ~0, ZPixmap); | |
9355 | if (ximg) | |
9356 | { | |
9357 | int x, y; | |
177c0ea7 | 9358 | |
333b20bb GM |
9359 | /* Initialize the color table. */ |
9360 | init_color_table (); | |
177c0ea7 | 9361 | |
333b20bb GM |
9362 | /* For each pixel of the image, look its color up in the |
9363 | color table. After having done so, the color table will | |
9364 | contain an entry for each color used by the image. */ | |
9365 | for (y = 0; y < img->height; ++y) | |
9366 | for (x = 0; x < img->width; ++x) | |
9367 | { | |
9368 | unsigned long pixel = XGetPixel (ximg, x, y); | |
9369 | lookup_pixel_color (f, pixel); | |
9370 | } | |
9371 | ||
9372 | /* Record colors in the image. Free color table and XImage. */ | |
9373 | img->colors = colors_in_color_table (&img->ncolors); | |
9374 | free_color_table (); | |
9375 | XDestroyImage (ximg); | |
9376 | ||
9377 | #if 0 /* This doesn't seem to be the case. If we free the colors | |
9378 | here, we get a BadAccess later in x_clear_image when | |
9379 | freeing the colors. */ | |
9380 | /* We have allocated colors once, but Ghostscript has also | |
9381 | allocated colors on behalf of us. So, to get the | |
9382 | reference counts right, free them once. */ | |
9383 | if (img->ncolors) | |
462d5d40 | 9384 | x_free_colors (f, img->colors, img->ncolors); |
333b20bb GM |
9385 | #endif |
9386 | } | |
9387 | else | |
9388 | image_error ("Cannot get X image of `%s'; colors will not be freed", | |
45158a91 | 9389 | img->spec, Qnil); |
177c0ea7 | 9390 | |
333b20bb GM |
9391 | UNBLOCK_INPUT; |
9392 | } | |
ad18ffb1 GM |
9393 | |
9394 | /* Now that we have the pixmap, compute mask and transform the | |
9395 | image if requested. */ | |
9396 | BLOCK_INPUT; | |
9397 | postprocess_image (f, img); | |
9398 | UNBLOCK_INPUT; | |
333b20bb GM |
9399 | } |
9400 | ||
9401 | ||
9402 | \f | |
9403 | /*********************************************************************** | |
9404 | Window properties | |
9405 | ***********************************************************************/ | |
9406 | ||
9407 | DEFUN ("x-change-window-property", Fx_change_window_property, | |
9408 | Sx_change_window_property, 2, 3, 0, | |
7ee72033 | 9409 | doc: /* Change window property PROP to VALUE on the X window of FRAME. |
c061c855 | 9410 | PROP and VALUE must be strings. FRAME nil or omitted means use the |
7ee72033 MB |
9411 | selected frame. Value is VALUE. */) |
9412 | (prop, value, frame) | |
333b20bb GM |
9413 | Lisp_Object frame, prop, value; |
9414 | { | |
9415 | struct frame *f = check_x_frame (frame); | |
9416 | Atom prop_atom; | |
9417 | ||
b7826503 PJ |
9418 | CHECK_STRING (prop); |
9419 | CHECK_STRING (value); | |
333b20bb GM |
9420 | |
9421 | BLOCK_INPUT; | |
d5db4077 | 9422 | prop_atom = XInternAtom (FRAME_X_DISPLAY (f), SDATA (prop), False); |
333b20bb GM |
9423 | XChangeProperty (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
9424 | prop_atom, XA_STRING, 8, PropModeReplace, | |
d5db4077 | 9425 | SDATA (value), SCHARS (value)); |
333b20bb GM |
9426 | |
9427 | /* Make sure the property is set when we return. */ | |
9428 | XFlush (FRAME_X_DISPLAY (f)); | |
9429 | UNBLOCK_INPUT; | |
9430 | ||
9431 | return value; | |
9432 | } | |
9433 | ||
9434 | ||
9435 | DEFUN ("x-delete-window-property", Fx_delete_window_property, | |
9436 | Sx_delete_window_property, 1, 2, 0, | |
7ee72033 MB |
9437 | doc: /* Remove window property PROP from X window of FRAME. |
9438 | FRAME nil or omitted means use the selected frame. Value is PROP. */) | |
9439 | (prop, frame) | |
333b20bb GM |
9440 | Lisp_Object prop, frame; |
9441 | { | |
9442 | struct frame *f = check_x_frame (frame); | |
9443 | Atom prop_atom; | |
9444 | ||
b7826503 | 9445 | CHECK_STRING (prop); |
333b20bb | 9446 | BLOCK_INPUT; |
d5db4077 | 9447 | prop_atom = XInternAtom (FRAME_X_DISPLAY (f), SDATA (prop), False); |
333b20bb GM |
9448 | XDeleteProperty (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), prop_atom); |
9449 | ||
9450 | /* Make sure the property is removed when we return. */ | |
9451 | XFlush (FRAME_X_DISPLAY (f)); | |
9452 | UNBLOCK_INPUT; | |
9453 | ||
9454 | return prop; | |
9455 | } | |
9456 | ||
9457 | ||
9458 | DEFUN ("x-window-property", Fx_window_property, Sx_window_property, | |
9459 | 1, 2, 0, | |
7ee72033 | 9460 | doc: /* Value is the value of window property PROP on FRAME. |
c061c855 GM |
9461 | If FRAME is nil or omitted, use the selected frame. Value is nil |
9462 | if FRAME hasn't a property with name PROP or if PROP has no string | |
7ee72033 MB |
9463 | value. */) |
9464 | (prop, frame) | |
333b20bb GM |
9465 | Lisp_Object prop, frame; |
9466 | { | |
9467 | struct frame *f = check_x_frame (frame); | |
9468 | Atom prop_atom; | |
9469 | int rc; | |
9470 | Lisp_Object prop_value = Qnil; | |
9471 | char *tmp_data = NULL; | |
9472 | Atom actual_type; | |
9473 | int actual_format; | |
9474 | unsigned long actual_size, bytes_remaining; | |
9475 | ||
b7826503 | 9476 | CHECK_STRING (prop); |
333b20bb | 9477 | BLOCK_INPUT; |
d5db4077 | 9478 | prop_atom = XInternAtom (FRAME_X_DISPLAY (f), SDATA (prop), False); |
333b20bb GM |
9479 | rc = XGetWindowProperty (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
9480 | prop_atom, 0, 0, False, XA_STRING, | |
9481 | &actual_type, &actual_format, &actual_size, | |
9482 | &bytes_remaining, (unsigned char **) &tmp_data); | |
9483 | if (rc == Success) | |
9484 | { | |
9485 | int size = bytes_remaining; | |
9486 | ||
9487 | XFree (tmp_data); | |
9488 | tmp_data = NULL; | |
9489 | ||
9490 | rc = XGetWindowProperty (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
9491 | prop_atom, 0, bytes_remaining, | |
9492 | False, XA_STRING, | |
177c0ea7 JB |
9493 | &actual_type, &actual_format, |
9494 | &actual_size, &bytes_remaining, | |
333b20bb | 9495 | (unsigned char **) &tmp_data); |
4c8c7926 | 9496 | if (rc == Success && tmp_data) |
333b20bb GM |
9497 | prop_value = make_string (tmp_data, size); |
9498 | ||
9499 | XFree (tmp_data); | |
9500 | } | |
9501 | ||
9502 | UNBLOCK_INPUT; | |
9503 | return prop_value; | |
9504 | } | |
9505 | ||
9506 | ||
9507 | \f | |
9508 | /*********************************************************************** | |
9509 | Busy cursor | |
9510 | ***********************************************************************/ | |
9511 | ||
4ae9a85e | 9512 | /* If non-null, an asynchronous timer that, when it expires, displays |
0af913d7 | 9513 | an hourglass cursor on all frames. */ |
333b20bb | 9514 | |
0af913d7 | 9515 | static struct atimer *hourglass_atimer; |
333b20bb | 9516 | |
0af913d7 | 9517 | /* Non-zero means an hourglass cursor is currently shown. */ |
333b20bb | 9518 | |
0af913d7 | 9519 | static int hourglass_shown_p; |
333b20bb | 9520 | |
0af913d7 | 9521 | /* Number of seconds to wait before displaying an hourglass cursor. */ |
333b20bb | 9522 | |
0af913d7 | 9523 | static Lisp_Object Vhourglass_delay; |
333b20bb | 9524 | |
0af913d7 | 9525 | /* Default number of seconds to wait before displaying an hourglass |
4ae9a85e GM |
9526 | cursor. */ |
9527 | ||
0af913d7 | 9528 | #define DEFAULT_HOURGLASS_DELAY 1 |
4ae9a85e GM |
9529 | |
9530 | /* Function prototypes. */ | |
9531 | ||
0af913d7 GM |
9532 | static void show_hourglass P_ ((struct atimer *)); |
9533 | static void hide_hourglass P_ ((void)); | |
4ae9a85e GM |
9534 | |
9535 | ||
0af913d7 | 9536 | /* Cancel a currently active hourglass timer, and start a new one. */ |
4ae9a85e GM |
9537 | |
9538 | void | |
0af913d7 | 9539 | start_hourglass () |
333b20bb | 9540 | { |
4ae9a85e | 9541 | EMACS_TIME delay; |
3caa99d3 | 9542 | int secs, usecs = 0; |
177c0ea7 | 9543 | |
0af913d7 | 9544 | cancel_hourglass (); |
4ae9a85e | 9545 | |
0af913d7 GM |
9546 | if (INTEGERP (Vhourglass_delay) |
9547 | && XINT (Vhourglass_delay) > 0) | |
9548 | secs = XFASTINT (Vhourglass_delay); | |
9549 | else if (FLOATP (Vhourglass_delay) | |
9550 | && XFLOAT_DATA (Vhourglass_delay) > 0) | |
3caa99d3 GM |
9551 | { |
9552 | Lisp_Object tem; | |
0af913d7 | 9553 | tem = Ftruncate (Vhourglass_delay, Qnil); |
3caa99d3 | 9554 | secs = XFASTINT (tem); |
0af913d7 | 9555 | usecs = (XFLOAT_DATA (Vhourglass_delay) - secs) * 1000000; |
3caa99d3 | 9556 | } |
4ae9a85e | 9557 | else |
0af913d7 | 9558 | secs = DEFAULT_HOURGLASS_DELAY; |
177c0ea7 | 9559 | |
3caa99d3 | 9560 | EMACS_SET_SECS_USECS (delay, secs, usecs); |
0af913d7 GM |
9561 | hourglass_atimer = start_atimer (ATIMER_RELATIVE, delay, |
9562 | show_hourglass, NULL); | |
4ae9a85e GM |
9563 | } |
9564 | ||
9565 | ||
0af913d7 | 9566 | /* Cancel the hourglass cursor timer if active, hide a busy cursor if |
4ae9a85e GM |
9567 | shown. */ |
9568 | ||
9569 | void | |
0af913d7 | 9570 | cancel_hourglass () |
4ae9a85e | 9571 | { |
0af913d7 | 9572 | if (hourglass_atimer) |
99f01f62 | 9573 | { |
0af913d7 GM |
9574 | cancel_atimer (hourglass_atimer); |
9575 | hourglass_atimer = NULL; | |
99f01f62 | 9576 | } |
177c0ea7 | 9577 | |
0af913d7 GM |
9578 | if (hourglass_shown_p) |
9579 | hide_hourglass (); | |
4ae9a85e GM |
9580 | } |
9581 | ||
9582 | ||
0af913d7 GM |
9583 | /* Timer function of hourglass_atimer. TIMER is equal to |
9584 | hourglass_atimer. | |
4ae9a85e | 9585 | |
0af913d7 GM |
9586 | Display an hourglass pointer on all frames by mapping the frames' |
9587 | hourglass_window. Set the hourglass_p flag in the frames' | |
9588 | output_data.x structure to indicate that an hourglass cursor is | |
9589 | shown on the frames. */ | |
4ae9a85e GM |
9590 | |
9591 | static void | |
0af913d7 | 9592 | show_hourglass (timer) |
4ae9a85e GM |
9593 | struct atimer *timer; |
9594 | { | |
9595 | /* The timer implementation will cancel this timer automatically | |
0af913d7 | 9596 | after this function has run. Set hourglass_atimer to null |
4ae9a85e | 9597 | so that we know the timer doesn't have to be canceled. */ |
0af913d7 | 9598 | hourglass_atimer = NULL; |
4ae9a85e | 9599 | |
0af913d7 | 9600 | if (!hourglass_shown_p) |
333b20bb GM |
9601 | { |
9602 | Lisp_Object rest, frame; | |
177c0ea7 | 9603 | |
4ae9a85e | 9604 | BLOCK_INPUT; |
177c0ea7 | 9605 | |
333b20bb | 9606 | FOR_EACH_FRAME (rest, frame) |
5f7a1890 GM |
9607 | { |
9608 | struct frame *f = XFRAME (frame); | |
177c0ea7 | 9609 | |
5f7a1890 GM |
9610 | if (FRAME_LIVE_P (f) && FRAME_X_P (f) && FRAME_X_DISPLAY (f)) |
9611 | { | |
9612 | Display *dpy = FRAME_X_DISPLAY (f); | |
177c0ea7 | 9613 | |
5f7a1890 GM |
9614 | #ifdef USE_X_TOOLKIT |
9615 | if (f->output_data.x->widget) | |
9616 | #else | |
9617 | if (FRAME_OUTER_WINDOW (f)) | |
9618 | #endif | |
9619 | { | |
0af913d7 | 9620 | f->output_data.x->hourglass_p = 1; |
177c0ea7 | 9621 | |
0af913d7 | 9622 | if (!f->output_data.x->hourglass_window) |
5f7a1890 GM |
9623 | { |
9624 | unsigned long mask = CWCursor; | |
9625 | XSetWindowAttributes attrs; | |
177c0ea7 | 9626 | |
0af913d7 | 9627 | attrs.cursor = f->output_data.x->hourglass_cursor; |
177c0ea7 | 9628 | |
0af913d7 | 9629 | f->output_data.x->hourglass_window |
5f7a1890 GM |
9630 | = XCreateWindow (dpy, FRAME_OUTER_WINDOW (f), |
9631 | 0, 0, 32000, 32000, 0, 0, | |
9632 | InputOnly, | |
9633 | CopyFromParent, | |
9634 | mask, &attrs); | |
9635 | } | |
177c0ea7 | 9636 | |
0af913d7 | 9637 | XMapRaised (dpy, f->output_data.x->hourglass_window); |
5f7a1890 GM |
9638 | XFlush (dpy); |
9639 | } | |
9640 | } | |
9641 | } | |
333b20bb | 9642 | |
0af913d7 | 9643 | hourglass_shown_p = 1; |
4ae9a85e GM |
9644 | UNBLOCK_INPUT; |
9645 | } | |
333b20bb GM |
9646 | } |
9647 | ||
9648 | ||
0af913d7 GM |
9649 | /* Hide the hourglass pointer on all frames, if it is currently |
9650 | shown. */ | |
333b20bb | 9651 | |
4ae9a85e | 9652 | static void |
0af913d7 | 9653 | hide_hourglass () |
4ae9a85e | 9654 | { |
0af913d7 | 9655 | if (hourglass_shown_p) |
333b20bb | 9656 | { |
4ae9a85e GM |
9657 | Lisp_Object rest, frame; |
9658 | ||
9659 | BLOCK_INPUT; | |
9660 | FOR_EACH_FRAME (rest, frame) | |
333b20bb | 9661 | { |
4ae9a85e | 9662 | struct frame *f = XFRAME (frame); |
177c0ea7 | 9663 | |
4ae9a85e GM |
9664 | if (FRAME_X_P (f) |
9665 | /* Watch out for newly created frames. */ | |
0af913d7 | 9666 | && f->output_data.x->hourglass_window) |
4ae9a85e | 9667 | { |
0af913d7 GM |
9668 | XUnmapWindow (FRAME_X_DISPLAY (f), |
9669 | f->output_data.x->hourglass_window); | |
9670 | /* Sync here because XTread_socket looks at the | |
9671 | hourglass_p flag that is reset to zero below. */ | |
4ae9a85e | 9672 | XSync (FRAME_X_DISPLAY (f), False); |
0af913d7 | 9673 | f->output_data.x->hourglass_p = 0; |
4ae9a85e | 9674 | } |
333b20bb | 9675 | } |
333b20bb | 9676 | |
0af913d7 | 9677 | hourglass_shown_p = 0; |
4ae9a85e GM |
9678 | UNBLOCK_INPUT; |
9679 | } | |
333b20bb GM |
9680 | } |
9681 | ||
9682 | ||
9683 | \f | |
9684 | /*********************************************************************** | |
9685 | Tool tips | |
9686 | ***********************************************************************/ | |
9687 | ||
9688 | static Lisp_Object x_create_tip_frame P_ ((struct x_display_info *, | |
275841bf | 9689 | Lisp_Object, Lisp_Object)); |
06d62053 | 9690 | static void compute_tip_xy P_ ((struct frame *, Lisp_Object, Lisp_Object, |
ab452f99 | 9691 | Lisp_Object, int, int, int *, int *)); |
177c0ea7 | 9692 | |
44b5a125 | 9693 | /* The frame of a currently visible tooltip. */ |
333b20bb | 9694 | |
44b5a125 | 9695 | Lisp_Object tip_frame; |
333b20bb GM |
9696 | |
9697 | /* If non-nil, a timer started that hides the last tooltip when it | |
9698 | fires. */ | |
9699 | ||
9700 | Lisp_Object tip_timer; | |
9701 | Window tip_window; | |
9702 | ||
06d62053 GM |
9703 | /* If non-nil, a vector of 3 elements containing the last args |
9704 | with which x-show-tip was called. See there. */ | |
9705 | ||
9706 | Lisp_Object last_show_tip_args; | |
9707 | ||
d63931a2 GM |
9708 | /* Maximum size for tooltips; a cons (COLUMNS . ROWS). */ |
9709 | ||
9710 | Lisp_Object Vx_max_tooltip_size; | |
9711 | ||
eaf1eea9 GM |
9712 | |
9713 | static Lisp_Object | |
9714 | unwind_create_tip_frame (frame) | |
9715 | Lisp_Object frame; | |
9716 | { | |
c844a81a GM |
9717 | Lisp_Object deleted; |
9718 | ||
9719 | deleted = unwind_create_frame (frame); | |
9720 | if (EQ (deleted, Qt)) | |
9721 | { | |
9722 | tip_window = None; | |
9723 | tip_frame = Qnil; | |
9724 | } | |
177c0ea7 | 9725 | |
c844a81a | 9726 | return deleted; |
eaf1eea9 GM |
9727 | } |
9728 | ||
9729 | ||
333b20bb | 9730 | /* Create a frame for a tooltip on the display described by DPYINFO. |
275841bf GM |
9731 | PARMS is a list of frame parameters. TEXT is the string to |
9732 | display in the tip frame. Value is the frame. | |
eaf1eea9 GM |
9733 | |
9734 | Note that functions called here, esp. x_default_parameter can | |
9735 | signal errors, for instance when a specified color name is | |
9736 | undefined. We have to make sure that we're in a consistent state | |
9737 | when this happens. */ | |
333b20bb GM |
9738 | |
9739 | static Lisp_Object | |
275841bf | 9740 | x_create_tip_frame (dpyinfo, parms, text) |
333b20bb | 9741 | struct x_display_info *dpyinfo; |
275841bf | 9742 | Lisp_Object parms, text; |
333b20bb GM |
9743 | { |
9744 | struct frame *f; | |
9745 | Lisp_Object frame, tem; | |
9746 | Lisp_Object name; | |
333b20bb GM |
9747 | long window_prompting = 0; |
9748 | int width, height; | |
331379bf | 9749 | int count = SPECPDL_INDEX (); |
b6d7acec | 9750 | struct gcpro gcpro1, gcpro2, gcpro3; |
333b20bb | 9751 | struct kboard *kb; |
06d62053 | 9752 | int face_change_count_before = face_change_count; |
275841bf GM |
9753 | Lisp_Object buffer; |
9754 | struct buffer *old_buffer; | |
333b20bb GM |
9755 | |
9756 | check_x (); | |
9757 | ||
9758 | /* Use this general default value to start with until we know if | |
9759 | this frame has a specified name. */ | |
9760 | Vx_resource_name = Vinvocation_name; | |
9761 | ||
9762 | #ifdef MULTI_KBOARD | |
9763 | kb = dpyinfo->kboard; | |
9764 | #else | |
9765 | kb = &the_only_kboard; | |
9766 | #endif | |
9767 | ||
9768 | /* Get the name of the frame to use for resource lookup. */ | |
9769 | name = x_get_arg (dpyinfo, parms, Qname, "name", "Name", RES_TYPE_STRING); | |
9770 | if (!STRINGP (name) | |
9771 | && !EQ (name, Qunbound) | |
9772 | && !NILP (name)) | |
9773 | error ("Invalid frame name--not a string or nil"); | |
9774 | Vx_resource_name = name; | |
9775 | ||
9776 | frame = Qnil; | |
9777 | GCPRO3 (parms, name, frame); | |
44b5a125 | 9778 | f = make_frame (1); |
333b20bb | 9779 | XSETFRAME (frame, f); |
275841bf GM |
9780 | |
9781 | buffer = Fget_buffer_create (build_string (" *tip*")); | |
be786000 | 9782 | Fset_window_buffer (FRAME_ROOT_WINDOW (f), buffer, Qnil); |
275841bf GM |
9783 | old_buffer = current_buffer; |
9784 | set_buffer_internal_1 (XBUFFER (buffer)); | |
d63931a2 | 9785 | current_buffer->truncate_lines = Qnil; |
275841bf GM |
9786 | Ferase_buffer (); |
9787 | Finsert (1, &text); | |
9788 | set_buffer_internal_1 (old_buffer); | |
177c0ea7 | 9789 | |
333b20bb | 9790 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 0; |
8a1a7743 | 9791 | record_unwind_protect (unwind_create_tip_frame, frame); |
333b20bb | 9792 | |
eaf1eea9 GM |
9793 | /* By setting the output method, we're essentially saying that |
9794 | the frame is live, as per FRAME_LIVE_P. If we get a signal | |
9795 | from this point on, x_destroy_window might screw up reference | |
9796 | counts etc. */ | |
333b20bb GM |
9797 | f->output_method = output_x_window; |
9798 | f->output_data.x = (struct x_output *) xmalloc (sizeof (struct x_output)); | |
9799 | bzero (f->output_data.x, sizeof (struct x_output)); | |
9800 | f->output_data.x->icon_bitmap = -1; | |
be786000 | 9801 | FRAME_FONTSET (f) = -1; |
61d461a8 GM |
9802 | f->output_data.x->scroll_bar_foreground_pixel = -1; |
9803 | f->output_data.x->scroll_bar_background_pixel = -1; | |
f15340b7 MB |
9804 | #ifdef USE_TOOLKIT_SCROLL_BARS |
9805 | f->output_data.x->scroll_bar_top_shadow_pixel = -1; | |
9806 | f->output_data.x->scroll_bar_bottom_shadow_pixel = -1; | |
9807 | #endif /* USE_TOOLKIT_SCROLL_BARS */ | |
333b20bb GM |
9808 | f->icon_name = Qnil; |
9809 | FRAME_X_DISPLAY_INFO (f) = dpyinfo; | |
f1d2ce7f | 9810 | #if GLYPH_DEBUG |
eaf1eea9 GM |
9811 | image_cache_refcount = FRAME_X_IMAGE_CACHE (f)->refcount; |
9812 | dpyinfo_refcount = dpyinfo->reference_count; | |
9813 | #endif /* GLYPH_DEBUG */ | |
333b20bb GM |
9814 | #ifdef MULTI_KBOARD |
9815 | FRAME_KBOARD (f) = kb; | |
9816 | #endif | |
9817 | f->output_data.x->parent_desc = FRAME_X_DISPLAY_INFO (f)->root_window; | |
9818 | f->output_data.x->explicit_parent = 0; | |
9819 | ||
61d461a8 GM |
9820 | /* These colors will be set anyway later, but it's important |
9821 | to get the color reference counts right, so initialize them! */ | |
9822 | { | |
9823 | Lisp_Object black; | |
9824 | struct gcpro gcpro1; | |
177c0ea7 | 9825 | |
61d461a8 GM |
9826 | black = build_string ("black"); |
9827 | GCPRO1 (black); | |
9828 | f->output_data.x->foreground_pixel | |
9829 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
9830 | f->output_data.x->background_pixel | |
9831 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
9832 | f->output_data.x->cursor_pixel | |
9833 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
9834 | f->output_data.x->cursor_foreground_pixel | |
9835 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
9836 | f->output_data.x->border_pixel | |
9837 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
9838 | f->output_data.x->mouse_pixel | |
9839 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
9840 | UNGCPRO; | |
9841 | } | |
9842 | ||
333b20bb GM |
9843 | /* Set the name; the functions to which we pass f expect the name to |
9844 | be set. */ | |
9845 | if (EQ (name, Qunbound) || NILP (name)) | |
9846 | { | |
9847 | f->name = build_string (dpyinfo->x_id_name); | |
9848 | f->explicit_name = 0; | |
9849 | } | |
9850 | else | |
9851 | { | |
9852 | f->name = name; | |
9853 | f->explicit_name = 1; | |
9854 | /* use the frame's title when getting resources for this frame. */ | |
9855 | specbind (Qx_resource_name, name); | |
9856 | } | |
9857 | ||
eaf1eea9 GM |
9858 | /* Extract the window parameters from the supplied values that are |
9859 | needed to determine window geometry. */ | |
333b20bb GM |
9860 | { |
9861 | Lisp_Object font; | |
9862 | ||
9863 | font = x_get_arg (dpyinfo, parms, Qfont, "font", "Font", RES_TYPE_STRING); | |
9864 | ||
9865 | BLOCK_INPUT; | |
9866 | /* First, try whatever font the caller has specified. */ | |
9867 | if (STRINGP (font)) | |
9868 | { | |
9869 | tem = Fquery_fontset (font, Qnil); | |
9870 | if (STRINGP (tem)) | |
7fb92cb1 | 9871 | font = x_new_fontset (f, tem); |
333b20bb | 9872 | else |
d5db4077 | 9873 | font = x_new_font (f, SDATA (font)); |
333b20bb | 9874 | } |
177c0ea7 | 9875 | |
333b20bb GM |
9876 | /* Try out a font which we hope has bold and italic variations. */ |
9877 | if (!STRINGP (font)) | |
9878 | font = x_new_font (f, "-adobe-courier-medium-r-*-*-*-120-*-*-*-*-iso8859-1"); | |
9879 | if (!STRINGP (font)) | |
9880 | font = x_new_font (f, "-misc-fixed-medium-r-normal-*-*-140-*-*-c-*-iso8859-1"); | |
9881 | if (! STRINGP (font)) | |
9882 | font = x_new_font (f, "-*-*-medium-r-normal-*-*-140-*-*-c-*-iso8859-1"); | |
9883 | if (! STRINGP (font)) | |
9884 | /* This was formerly the first thing tried, but it finds too many fonts | |
9885 | and takes too long. */ | |
9886 | font = x_new_font (f, "-*-*-medium-r-*-*-*-*-*-*-c-*-iso8859-1"); | |
9887 | /* If those didn't work, look for something which will at least work. */ | |
9888 | if (! STRINGP (font)) | |
9889 | font = x_new_font (f, "-*-fixed-*-*-*-*-*-140-*-*-c-*-iso8859-1"); | |
9890 | UNBLOCK_INPUT; | |
9891 | if (! STRINGP (font)) | |
9892 | font = build_string ("fixed"); | |
9893 | ||
9894 | x_default_parameter (f, parms, Qfont, font, | |
9895 | "font", "Font", RES_TYPE_STRING); | |
9896 | } | |
9897 | ||
9898 | x_default_parameter (f, parms, Qborder_width, make_number (2), | |
9899 | "borderWidth", "BorderWidth", RES_TYPE_NUMBER); | |
177c0ea7 | 9900 | |
333b20bb GM |
9901 | /* This defaults to 2 in order to match xterm. We recognize either |
9902 | internalBorderWidth or internalBorder (which is what xterm calls | |
9903 | it). */ | |
9904 | if (NILP (Fassq (Qinternal_border_width, parms))) | |
9905 | { | |
9906 | Lisp_Object value; | |
9907 | ||
9908 | value = x_get_arg (dpyinfo, parms, Qinternal_border_width, | |
9909 | "internalBorder", "internalBorder", RES_TYPE_NUMBER); | |
9910 | if (! EQ (value, Qunbound)) | |
9911 | parms = Fcons (Fcons (Qinternal_border_width, value), | |
9912 | parms); | |
9913 | } | |
9914 | ||
9915 | x_default_parameter (f, parms, Qinternal_border_width, make_number (1), | |
9916 | "internalBorderWidth", "internalBorderWidth", | |
9917 | RES_TYPE_NUMBER); | |
9918 | ||
9919 | /* Also do the stuff which must be set before the window exists. */ | |
9920 | x_default_parameter (f, parms, Qforeground_color, build_string ("black"), | |
9921 | "foreground", "Foreground", RES_TYPE_STRING); | |
9922 | x_default_parameter (f, parms, Qbackground_color, build_string ("white"), | |
9923 | "background", "Background", RES_TYPE_STRING); | |
9924 | x_default_parameter (f, parms, Qmouse_color, build_string ("black"), | |
9925 | "pointerColor", "Foreground", RES_TYPE_STRING); | |
9926 | x_default_parameter (f, parms, Qcursor_color, build_string ("black"), | |
9927 | "cursorColor", "Foreground", RES_TYPE_STRING); | |
9928 | x_default_parameter (f, parms, Qborder_color, build_string ("black"), | |
9929 | "borderColor", "BorderColor", RES_TYPE_STRING); | |
9930 | ||
9931 | /* Init faces before x_default_parameter is called for scroll-bar | |
9932 | parameters because that function calls x_set_scroll_bar_width, | |
9933 | which calls change_frame_size, which calls Fset_window_buffer, | |
9934 | which runs hooks, which call Fvertical_motion. At the end, we | |
9935 | end up in init_iterator with a null face cache, which should not | |
9936 | happen. */ | |
9937 | init_frame_faces (f); | |
177c0ea7 | 9938 | |
333b20bb | 9939 | f->output_data.x->parent_desc = FRAME_X_DISPLAY_INFO (f)->root_window; |
333b20bb | 9940 | |
7c0d3ed8 | 9941 | window_prompting = x_figure_window_size (f, parms, 0); |
333b20bb | 9942 | |
333b20bb GM |
9943 | { |
9944 | XSetWindowAttributes attrs; | |
9945 | unsigned long mask; | |
177c0ea7 | 9946 | |
333b20bb | 9947 | BLOCK_INPUT; |
c51d2b5e GM |
9948 | mask = CWBackPixel | CWOverrideRedirect | CWEventMask; |
9949 | if (DoesSaveUnders (dpyinfo->screen)) | |
9950 | mask |= CWSaveUnder; | |
177c0ea7 | 9951 | |
9b2956e2 GM |
9952 | /* Window managers look at the override-redirect flag to determine |
9953 | whether or net to give windows a decoration (Xlib spec, chapter | |
333b20bb GM |
9954 | 3.2.8). */ |
9955 | attrs.override_redirect = True; | |
9956 | attrs.save_under = True; | |
9957 | attrs.background_pixel = FRAME_BACKGROUND_PIXEL (f); | |
9958 | /* Arrange for getting MapNotify and UnmapNotify events. */ | |
9959 | attrs.event_mask = StructureNotifyMask; | |
9960 | tip_window | |
9961 | = FRAME_X_WINDOW (f) | |
9962 | = XCreateWindow (FRAME_X_DISPLAY (f), | |
9963 | FRAME_X_DISPLAY_INFO (f)->root_window, | |
9964 | /* x, y, width, height */ | |
9965 | 0, 0, 1, 1, | |
9966 | /* Border. */ | |
9967 | 1, | |
9968 | CopyFromParent, InputOutput, CopyFromParent, | |
9969 | mask, &attrs); | |
9970 | UNBLOCK_INPUT; | |
9971 | } | |
9972 | ||
9973 | x_make_gc (f); | |
9974 | ||
333b20bb GM |
9975 | x_default_parameter (f, parms, Qauto_raise, Qnil, |
9976 | "autoRaise", "AutoRaiseLower", RES_TYPE_BOOLEAN); | |
9977 | x_default_parameter (f, parms, Qauto_lower, Qnil, | |
9978 | "autoLower", "AutoRaiseLower", RES_TYPE_BOOLEAN); | |
9979 | x_default_parameter (f, parms, Qcursor_type, Qbox, | |
9980 | "cursorType", "CursorType", RES_TYPE_SYMBOL); | |
9981 | ||
be786000 | 9982 | /* Dimensions, especially FRAME_LINES (f), must be done via change_frame_size. |
333b20bb | 9983 | Change will not be effected unless different from the current |
be786000 KS |
9984 | FRAME_LINES (f). */ |
9985 | width = FRAME_COLS (f); | |
9986 | height = FRAME_LINES (f); | |
9987 | SET_FRAME_COLS (f, 0); | |
9988 | FRAME_LINES (f) = 0; | |
8938a4fb | 9989 | change_frame_size (f, height, width, 1, 0, 0); |
177c0ea7 | 9990 | |
cd1d850f JPW |
9991 | /* Add `tooltip' frame parameter's default value. */ |
9992 | if (NILP (Fframe_parameter (frame, intern ("tooltip")))) | |
9993 | Fmodify_frame_parameters (frame, Fcons (Fcons (intern ("tooltip"), Qt), | |
9994 | Qnil)); | |
177c0ea7 | 9995 | |
035d5114 | 9996 | /* Set up faces after all frame parameters are known. This call |
6801a572 GM |
9997 | also merges in face attributes specified for new frames. |
9998 | ||
9999 | Frame parameters may be changed if .Xdefaults contains | |
10000 | specifications for the default font. For example, if there is an | |
10001 | `Emacs.default.attributeBackground: pink', the `background-color' | |
10002 | attribute of the frame get's set, which let's the internal border | |
10003 | of the tooltip frame appear in pink. Prevent this. */ | |
10004 | { | |
10005 | Lisp_Object bg = Fframe_parameter (frame, Qbackground_color); | |
10006 | ||
10007 | /* Set tip_frame here, so that */ | |
10008 | tip_frame = frame; | |
10009 | call1 (Qface_set_after_frame_default, frame); | |
177c0ea7 | 10010 | |
6801a572 GM |
10011 | if (!EQ (bg, Fframe_parameter (frame, Qbackground_color))) |
10012 | Fmodify_frame_parameters (frame, Fcons (Fcons (Qbackground_color, bg), | |
10013 | Qnil)); | |
10014 | } | |
177c0ea7 | 10015 | |
333b20bb GM |
10016 | f->no_split = 1; |
10017 | ||
10018 | UNGCPRO; | |
10019 | ||
10020 | /* It is now ok to make the frame official even if we get an error | |
10021 | below. And the frame needs to be on Vframe_list or making it | |
10022 | visible won't work. */ | |
10023 | Vframe_list = Fcons (frame, Vframe_list); | |
10024 | ||
10025 | /* Now that the frame is official, it counts as a reference to | |
10026 | its display. */ | |
10027 | FRAME_X_DISPLAY_INFO (f)->reference_count++; | |
10028 | ||
06d62053 GM |
10029 | /* Setting attributes of faces of the tooltip frame from resources |
10030 | and similar will increment face_change_count, which leads to the | |
10031 | clearing of all current matrices. Since this isn't necessary | |
10032 | here, avoid it by resetting face_change_count to the value it | |
10033 | had before we created the tip frame. */ | |
10034 | face_change_count = face_change_count_before; | |
10035 | ||
eaf1eea9 | 10036 | /* Discard the unwind_protect. */ |
333b20bb GM |
10037 | return unbind_to (count, frame); |
10038 | } | |
10039 | ||
10040 | ||
06d62053 GM |
10041 | /* Compute where to display tip frame F. PARMS is the list of frame |
10042 | parameters for F. DX and DY are specified offsets from the current | |
ab452f99 GM |
10043 | location of the mouse. WIDTH and HEIGHT are the width and height |
10044 | of the tooltip. Return coordinates relative to the root window of | |
10045 | the display in *ROOT_X, and *ROOT_Y. */ | |
06d62053 GM |
10046 | |
10047 | static void | |
ab452f99 | 10048 | compute_tip_xy (f, parms, dx, dy, width, height, root_x, root_y) |
06d62053 GM |
10049 | struct frame *f; |
10050 | Lisp_Object parms, dx, dy; | |
ab452f99 | 10051 | int width, height; |
06d62053 GM |
10052 | int *root_x, *root_y; |
10053 | { | |
10054 | Lisp_Object left, top; | |
10055 | int win_x, win_y; | |
10056 | Window root, child; | |
10057 | unsigned pmask; | |
177c0ea7 | 10058 | |
06d62053 GM |
10059 | /* User-specified position? */ |
10060 | left = Fcdr (Fassq (Qleft, parms)); | |
10061 | top = Fcdr (Fassq (Qtop, parms)); | |
177c0ea7 | 10062 | |
06d62053 GM |
10063 | /* Move the tooltip window where the mouse pointer is. Resize and |
10064 | show it. */ | |
570d22b0 | 10065 | if (!INTEGERP (left) || !INTEGERP (top)) |
ab452f99 GM |
10066 | { |
10067 | BLOCK_INPUT; | |
10068 | XQueryPointer (FRAME_X_DISPLAY (f), FRAME_X_DISPLAY_INFO (f)->root_window, | |
10069 | &root, &child, root_x, root_y, &win_x, &win_y, &pmask); | |
10070 | UNBLOCK_INPUT; | |
10071 | } | |
06d62053 | 10072 | |
06d62053 GM |
10073 | if (INTEGERP (top)) |
10074 | *root_y = XINT (top); | |
ab452f99 GM |
10075 | else if (*root_y + XINT (dy) - height < 0) |
10076 | *root_y -= XINT (dy); | |
10077 | else | |
10078 | { | |
10079 | *root_y -= height; | |
10080 | *root_y += XINT (dy); | |
10081 | } | |
10082 | ||
10083 | if (INTEGERP (left)) | |
10084 | *root_x = XINT (left); | |
d682d3df RS |
10085 | else if (*root_x + XINT (dx) + width <= FRAME_X_DISPLAY_INFO (f)->width) |
10086 | /* It fits to the right of the pointer. */ | |
10087 | *root_x += XINT (dx); | |
10088 | else if (width + XINT (dx) <= *root_x) | |
10089 | /* It fits to the left of the pointer. */ | |
ab452f99 GM |
10090 | *root_x -= width + XINT (dx); |
10091 | else | |
d682d3df RS |
10092 | /* Put it left-justified on the screen--it ought to fit that way. */ |
10093 | *root_x = 0; | |
06d62053 GM |
10094 | } |
10095 | ||
10096 | ||
0634ce98 | 10097 | DEFUN ("x-show-tip", Fx_show_tip, Sx_show_tip, 1, 6, 0, |
7ee72033 | 10098 | doc: /* Show STRING in a "tooltip" window on frame FRAME. |
c061c855 GM |
10099 | A tooltip window is a small X window displaying a string. |
10100 | ||
10101 | FRAME nil or omitted means use the selected frame. | |
10102 | ||
10103 | PARMS is an optional list of frame parameters which can be used to | |
10104 | change the tooltip's appearance. | |
10105 | ||
10106 | Automatically hide the tooltip after TIMEOUT seconds. TIMEOUT nil | |
10107 | means use the default timeout of 5 seconds. | |
10108 | ||
10109 | If the list of frame parameters PARAMS contains a `left' parameters, | |
10110 | the tooltip is displayed at that x-position. Otherwise it is | |
10111 | displayed at the mouse position, with offset DX added (default is 5 if | |
10112 | DX isn't specified). Likewise for the y-position; if a `top' frame | |
10113 | parameter is specified, it determines the y-position of the tooltip | |
10114 | window, otherwise it is displayed at the mouse position, with offset | |
10115 | DY added (default is -10). | |
10116 | ||
10117 | A tooltip's maximum size is specified by `x-max-tooltip-size'. | |
7ee72033 MB |
10118 | Text larger than the specified size is clipped. */) |
10119 | (string, frame, parms, timeout, dx, dy) | |
0634ce98 | 10120 | Lisp_Object string, frame, parms, timeout, dx, dy; |
333b20bb GM |
10121 | { |
10122 | struct frame *f; | |
10123 | struct window *w; | |
06d62053 | 10124 | int root_x, root_y; |
333b20bb GM |
10125 | struct buffer *old_buffer; |
10126 | struct text_pos pos; | |
10127 | int i, width, height; | |
393f2d14 | 10128 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4; |
333b20bb | 10129 | int old_windows_or_buffers_changed = windows_or_buffers_changed; |
331379bf | 10130 | int count = SPECPDL_INDEX (); |
177c0ea7 | 10131 | |
333b20bb GM |
10132 | specbind (Qinhibit_redisplay, Qt); |
10133 | ||
393f2d14 | 10134 | GCPRO4 (string, parms, frame, timeout); |
333b20bb | 10135 | |
b7826503 | 10136 | CHECK_STRING (string); |
333b20bb GM |
10137 | f = check_x_frame (frame); |
10138 | if (NILP (timeout)) | |
10139 | timeout = make_number (5); | |
10140 | else | |
b7826503 | 10141 | CHECK_NATNUM (timeout); |
177c0ea7 | 10142 | |
0634ce98 GM |
10143 | if (NILP (dx)) |
10144 | dx = make_number (5); | |
10145 | else | |
b7826503 | 10146 | CHECK_NUMBER (dx); |
177c0ea7 | 10147 | |
0634ce98 | 10148 | if (NILP (dy)) |
12c67a7f | 10149 | dy = make_number (-10); |
0634ce98 | 10150 | else |
b7826503 | 10151 | CHECK_NUMBER (dy); |
333b20bb | 10152 | |
06d62053 GM |
10153 | if (NILP (last_show_tip_args)) |
10154 | last_show_tip_args = Fmake_vector (make_number (3), Qnil); | |
10155 | ||
10156 | if (!NILP (tip_frame)) | |
10157 | { | |
10158 | Lisp_Object last_string = AREF (last_show_tip_args, 0); | |
10159 | Lisp_Object last_frame = AREF (last_show_tip_args, 1); | |
10160 | Lisp_Object last_parms = AREF (last_show_tip_args, 2); | |
10161 | ||
10162 | if (EQ (frame, last_frame) | |
10163 | && !NILP (Fequal (last_string, string)) | |
10164 | && !NILP (Fequal (last_parms, parms))) | |
10165 | { | |
10166 | struct frame *f = XFRAME (tip_frame); | |
177c0ea7 | 10167 | |
06d62053 GM |
10168 | /* Only DX and DY have changed. */ |
10169 | if (!NILP (tip_timer)) | |
ae782866 GM |
10170 | { |
10171 | Lisp_Object timer = tip_timer; | |
10172 | tip_timer = Qnil; | |
10173 | call1 (Qcancel_timer, timer); | |
10174 | } | |
06d62053 GM |
10175 | |
10176 | BLOCK_INPUT; | |
be786000 KS |
10177 | compute_tip_xy (f, parms, dx, dy, FRAME_PIXEL_WIDTH (f), |
10178 | FRAME_PIXEL_HEIGHT (f), &root_x, &root_y); | |
06d62053 | 10179 | XMoveWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
ab452f99 | 10180 | root_x, root_y); |
06d62053 GM |
10181 | UNBLOCK_INPUT; |
10182 | goto start_timer; | |
10183 | } | |
10184 | } | |
10185 | ||
333b20bb GM |
10186 | /* Hide a previous tip, if any. */ |
10187 | Fx_hide_tip (); | |
10188 | ||
06d62053 GM |
10189 | ASET (last_show_tip_args, 0, string); |
10190 | ASET (last_show_tip_args, 1, frame); | |
10191 | ASET (last_show_tip_args, 2, parms); | |
10192 | ||
333b20bb GM |
10193 | /* Add default values to frame parameters. */ |
10194 | if (NILP (Fassq (Qname, parms))) | |
10195 | parms = Fcons (Fcons (Qname, build_string ("tooltip")), parms); | |
10196 | if (NILP (Fassq (Qinternal_border_width, parms))) | |
10197 | parms = Fcons (Fcons (Qinternal_border_width, make_number (3)), parms); | |
10198 | if (NILP (Fassq (Qborder_width, parms))) | |
10199 | parms = Fcons (Fcons (Qborder_width, make_number (1)), parms); | |
10200 | if (NILP (Fassq (Qborder_color, parms))) | |
10201 | parms = Fcons (Fcons (Qborder_color, build_string ("lightyellow")), parms); | |
10202 | if (NILP (Fassq (Qbackground_color, parms))) | |
10203 | parms = Fcons (Fcons (Qbackground_color, build_string ("lightyellow")), | |
10204 | parms); | |
10205 | ||
10206 | /* Create a frame for the tooltip, and record it in the global | |
10207 | variable tip_frame. */ | |
275841bf | 10208 | frame = x_create_tip_frame (FRAME_X_DISPLAY_INFO (f), parms, string); |
44b5a125 | 10209 | f = XFRAME (frame); |
333b20bb | 10210 | |
d63931a2 | 10211 | /* Set up the frame's root window. */ |
333b20bb | 10212 | w = XWINDOW (FRAME_ROOT_WINDOW (f)); |
be786000 | 10213 | w->left_col = w->top_line = make_number (0); |
177c0ea7 | 10214 | |
d63931a2 GM |
10215 | if (CONSP (Vx_max_tooltip_size) |
10216 | && INTEGERP (XCAR (Vx_max_tooltip_size)) | |
10217 | && XINT (XCAR (Vx_max_tooltip_size)) > 0 | |
10218 | && INTEGERP (XCDR (Vx_max_tooltip_size)) | |
10219 | && XINT (XCDR (Vx_max_tooltip_size)) > 0) | |
10220 | { | |
be786000 KS |
10221 | w->total_cols = XCAR (Vx_max_tooltip_size); |
10222 | w->total_lines = XCDR (Vx_max_tooltip_size); | |
d63931a2 GM |
10223 | } |
10224 | else | |
10225 | { | |
be786000 KS |
10226 | w->total_cols = make_number (80); |
10227 | w->total_lines = make_number (40); | |
d63931a2 | 10228 | } |
177c0ea7 | 10229 | |
be786000 | 10230 | FRAME_TOTAL_COLS (f) = XINT (w->total_cols); |
333b20bb GM |
10231 | adjust_glyphs (f); |
10232 | w->pseudo_window_p = 1; | |
10233 | ||
10234 | /* Display the tooltip text in a temporary buffer. */ | |
333b20bb | 10235 | old_buffer = current_buffer; |
275841bf | 10236 | set_buffer_internal_1 (XBUFFER (XWINDOW (FRAME_ROOT_WINDOW (f))->buffer)); |
d63931a2 | 10237 | current_buffer->truncate_lines = Qnil; |
333b20bb GM |
10238 | clear_glyph_matrix (w->desired_matrix); |
10239 | clear_glyph_matrix (w->current_matrix); | |
10240 | SET_TEXT_POS (pos, BEGV, BEGV_BYTE); | |
10241 | try_window (FRAME_ROOT_WINDOW (f), pos); | |
10242 | ||
10243 | /* Compute width and height of the tooltip. */ | |
10244 | width = height = 0; | |
10245 | for (i = 0; i < w->desired_matrix->nrows; ++i) | |
10246 | { | |
10247 | struct glyph_row *row = &w->desired_matrix->rows[i]; | |
10248 | struct glyph *last; | |
10249 | int row_width; | |
10250 | ||
10251 | /* Stop at the first empty row at the end. */ | |
10252 | if (!row->enabled_p || !row->displays_text_p) | |
10253 | break; | |
10254 | ||
d7bf0342 GM |
10255 | /* Let the row go over the full width of the frame. */ |
10256 | row->full_width_p = 1; | |
333b20bb | 10257 | |
e3130015 | 10258 | /* There's a glyph at the end of rows that is used to place |
333b20bb GM |
10259 | the cursor there. Don't include the width of this glyph. */ |
10260 | if (row->used[TEXT_AREA]) | |
10261 | { | |
10262 | last = &row->glyphs[TEXT_AREA][row->used[TEXT_AREA] - 1]; | |
10263 | row_width = row->pixel_width - last->pixel_width; | |
10264 | } | |
10265 | else | |
10266 | row_width = row->pixel_width; | |
177c0ea7 | 10267 | |
333b20bb GM |
10268 | height += row->height; |
10269 | width = max (width, row_width); | |
10270 | } | |
10271 | ||
10272 | /* Add the frame's internal border to the width and height the X | |
10273 | window should have. */ | |
10274 | height += 2 * FRAME_INTERNAL_BORDER_WIDTH (f); | |
10275 | width += 2 * FRAME_INTERNAL_BORDER_WIDTH (f); | |
10276 | ||
10277 | /* Move the tooltip window where the mouse pointer is. Resize and | |
10278 | show it. */ | |
ab452f99 | 10279 | compute_tip_xy (f, parms, dx, dy, width, height, &root_x, &root_y); |
0634ce98 | 10280 | |
0634ce98 | 10281 | BLOCK_INPUT; |
333b20bb | 10282 | XMoveResizeWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
ab452f99 | 10283 | root_x, root_y, width, height); |
333b20bb GM |
10284 | XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
10285 | UNBLOCK_INPUT; | |
177c0ea7 | 10286 | |
333b20bb GM |
10287 | /* Draw into the window. */ |
10288 | w->must_be_updated_p = 1; | |
10289 | update_single_window (w, 1); | |
10290 | ||
10291 | /* Restore original current buffer. */ | |
10292 | set_buffer_internal_1 (old_buffer); | |
10293 | windows_or_buffers_changed = old_windows_or_buffers_changed; | |
10294 | ||
06d62053 | 10295 | start_timer: |
333b20bb GM |
10296 | /* Let the tip disappear after timeout seconds. */ |
10297 | tip_timer = call3 (intern ("run-at-time"), timeout, Qnil, | |
10298 | intern ("x-hide-tip")); | |
a744a2ec DL |
10299 | |
10300 | UNGCPRO; | |
333b20bb GM |
10301 | return unbind_to (count, Qnil); |
10302 | } | |
10303 | ||
10304 | ||
10305 | DEFUN ("x-hide-tip", Fx_hide_tip, Sx_hide_tip, 0, 0, 0, | |
7ee72033 MB |
10306 | doc: /* Hide the current tooltip window, if there is any. |
10307 | Value is t if tooltip was open, nil otherwise. */) | |
10308 | () | |
333b20bb | 10309 | { |
44b5a125 | 10310 | int count; |
c0006262 GM |
10311 | Lisp_Object deleted, frame, timer; |
10312 | struct gcpro gcpro1, gcpro2; | |
44b5a125 GM |
10313 | |
10314 | /* Return quickly if nothing to do. */ | |
c0006262 | 10315 | if (NILP (tip_timer) && NILP (tip_frame)) |
44b5a125 | 10316 | return Qnil; |
177c0ea7 | 10317 | |
c0006262 GM |
10318 | frame = tip_frame; |
10319 | timer = tip_timer; | |
10320 | GCPRO2 (frame, timer); | |
10321 | tip_frame = tip_timer = deleted = Qnil; | |
177c0ea7 | 10322 | |
331379bf | 10323 | count = SPECPDL_INDEX (); |
333b20bb | 10324 | specbind (Qinhibit_redisplay, Qt); |
44b5a125 | 10325 | specbind (Qinhibit_quit, Qt); |
177c0ea7 | 10326 | |
c0006262 | 10327 | if (!NILP (timer)) |
ae782866 | 10328 | call1 (Qcancel_timer, timer); |
333b20bb | 10329 | |
c0006262 | 10330 | if (FRAMEP (frame)) |
333b20bb | 10331 | { |
44b5a125 GM |
10332 | Fdelete_frame (frame, Qnil); |
10333 | deleted = Qt; | |
f6c44811 GM |
10334 | |
10335 | #ifdef USE_LUCID | |
10336 | /* Bloodcurdling hack alert: The Lucid menu bar widget's | |
10337 | redisplay procedure is not called when a tip frame over menu | |
10338 | items is unmapped. Redisplay the menu manually... */ | |
10339 | { | |
10340 | struct frame *f = SELECTED_FRAME (); | |
10341 | Widget w = f->output_data.x->menubar_widget; | |
10342 | extern void xlwmenu_redisplay P_ ((Widget)); | |
9180dc8c | 10343 | |
f6c44811 | 10344 | if (!DoesSaveUnders (FRAME_X_DISPLAY_INFO (f)->screen) |
dbc64aa7 | 10345 | && w != NULL) |
f6c44811 GM |
10346 | { |
10347 | BLOCK_INPUT; | |
10348 | xlwmenu_redisplay (w); | |
10349 | UNBLOCK_INPUT; | |
10350 | } | |
10351 | } | |
10352 | #endif /* USE_LUCID */ | |
333b20bb GM |
10353 | } |
10354 | ||
c0006262 | 10355 | UNGCPRO; |
44b5a125 | 10356 | return unbind_to (count, deleted); |
333b20bb GM |
10357 | } |
10358 | ||
10359 | ||
10360 | \f | |
10361 | /*********************************************************************** | |
10362 | File selection dialog | |
10363 | ***********************************************************************/ | |
10364 | ||
10365 | #ifdef USE_MOTIF | |
10366 | ||
10367 | /* Callback for "OK" and "Cancel" on file selection dialog. */ | |
10368 | ||
10369 | static void | |
10370 | file_dialog_cb (widget, client_data, call_data) | |
10371 | Widget widget; | |
10372 | XtPointer call_data, client_data; | |
10373 | { | |
10374 | int *result = (int *) client_data; | |
10375 | XmAnyCallbackStruct *cb = (XmAnyCallbackStruct *) call_data; | |
10376 | *result = cb->reason; | |
10377 | } | |
10378 | ||
10379 | ||
a779d213 GM |
10380 | /* Callback for unmapping a file selection dialog. This is used to |
10381 | capture the case where a dialog is closed via a window manager's | |
10382 | closer button, for example. Using a XmNdestroyCallback didn't work | |
10383 | in this case. */ | |
10384 | ||
10385 | static void | |
10386 | file_dialog_unmap_cb (widget, client_data, call_data) | |
10387 | Widget widget; | |
10388 | XtPointer call_data, client_data; | |
10389 | { | |
10390 | int *result = (int *) client_data; | |
10391 | *result = XmCR_CANCEL; | |
10392 | } | |
10393 | ||
10394 | ||
333b20bb | 10395 | DEFUN ("x-file-dialog", Fx_file_dialog, Sx_file_dialog, 2, 4, 0, |
7ee72033 | 10396 | doc: /* Read file name, prompting with PROMPT in directory DIR. |
c061c855 GM |
10397 | Use a file selection dialog. |
10398 | Select DEFAULT-FILENAME in the dialog's file selection box, if | |
10399 | specified. Don't let the user enter a file name in the file | |
7ee72033 MB |
10400 | selection dialog's entry field, if MUSTMATCH is non-nil. */) |
10401 | (prompt, dir, default_filename, mustmatch) | |
333b20bb GM |
10402 | Lisp_Object prompt, dir, default_filename, mustmatch; |
10403 | { | |
10404 | int result; | |
0fe92f72 | 10405 | struct frame *f = SELECTED_FRAME (); |
333b20bb GM |
10406 | Lisp_Object file = Qnil; |
10407 | Widget dialog, text, list, help; | |
10408 | Arg al[10]; | |
10409 | int ac = 0; | |
10410 | extern XtAppContext Xt_app_con; | |
333b20bb | 10411 | XmString dir_xmstring, pattern_xmstring; |
65b21658 | 10412 | int count = SPECPDL_INDEX (); |
333b20bb GM |
10413 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5; |
10414 | ||
10415 | GCPRO5 (prompt, dir, default_filename, mustmatch, file); | |
b7826503 PJ |
10416 | CHECK_STRING (prompt); |
10417 | CHECK_STRING (dir); | |
333b20bb GM |
10418 | |
10419 | /* Prevent redisplay. */ | |
10420 | specbind (Qinhibit_redisplay, Qt); | |
10421 | ||
10422 | BLOCK_INPUT; | |
10423 | ||
10424 | /* Create the dialog with PROMPT as title, using DIR as initial | |
10425 | directory and using "*" as pattern. */ | |
10426 | dir = Fexpand_file_name (dir, Qnil); | |
d5db4077 | 10427 | dir_xmstring = XmStringCreateLocalized (SDATA (dir)); |
333b20bb | 10428 | pattern_xmstring = XmStringCreateLocalized ("*"); |
177c0ea7 | 10429 | |
d5db4077 | 10430 | XtSetArg (al[ac], XmNtitle, SDATA (prompt)); ++ac; |
333b20bb GM |
10431 | XtSetArg (al[ac], XmNdirectory, dir_xmstring); ++ac; |
10432 | XtSetArg (al[ac], XmNpattern, pattern_xmstring); ++ac; | |
10433 | XtSetArg (al[ac], XmNresizePolicy, XmRESIZE_GROW); ++ac; | |
10434 | XtSetArg (al[ac], XmNdialogStyle, XmDIALOG_APPLICATION_MODAL); ++ac; | |
10435 | dialog = XmCreateFileSelectionDialog (f->output_data.x->widget, | |
10436 | "fsb", al, ac); | |
10437 | XmStringFree (dir_xmstring); | |
10438 | XmStringFree (pattern_xmstring); | |
10439 | ||
10440 | /* Add callbacks for OK and Cancel. */ | |
10441 | XtAddCallback (dialog, XmNokCallback, file_dialog_cb, | |
10442 | (XtPointer) &result); | |
10443 | XtAddCallback (dialog, XmNcancelCallback, file_dialog_cb, | |
10444 | (XtPointer) &result); | |
a779d213 GM |
10445 | XtAddCallback (dialog, XmNunmapCallback, file_dialog_unmap_cb, |
10446 | (XtPointer) &result); | |
333b20bb GM |
10447 | |
10448 | /* Disable the help button since we can't display help. */ | |
10449 | help = XmFileSelectionBoxGetChild (dialog, XmDIALOG_HELP_BUTTON); | |
10450 | XtSetSensitive (help, False); | |
10451 | ||
177c0ea7 | 10452 | /* Mark OK button as default. */ |
333b20bb GM |
10453 | XtVaSetValues (XmFileSelectionBoxGetChild (dialog, XmDIALOG_OK_BUTTON), |
10454 | XmNshowAsDefault, True, NULL); | |
10455 | ||
10456 | /* If MUSTMATCH is non-nil, disable the file entry field of the | |
10457 | dialog, so that the user must select a file from the files list | |
10458 | box. We can't remove it because we wouldn't have a way to get at | |
10459 | the result file name, then. */ | |
10460 | text = XmFileSelectionBoxGetChild (dialog, XmDIALOG_TEXT); | |
10461 | if (!NILP (mustmatch)) | |
10462 | { | |
10463 | Widget label; | |
10464 | label = XmFileSelectionBoxGetChild (dialog, XmDIALOG_SELECTION_LABEL); | |
10465 | XtSetSensitive (text, False); | |
10466 | XtSetSensitive (label, False); | |
10467 | } | |
10468 | ||
10469 | /* Manage the dialog, so that list boxes get filled. */ | |
10470 | XtManageChild (dialog); | |
10471 | ||
10472 | /* Select DEFAULT_FILENAME in the files list box. DEFAULT_FILENAME | |
10473 | must include the path for this to work. */ | |
10474 | list = XmFileSelectionBoxGetChild (dialog, XmDIALOG_LIST); | |
10475 | if (STRINGP (default_filename)) | |
10476 | { | |
10477 | XmString default_xmstring; | |
10478 | int item_pos; | |
10479 | ||
10480 | default_xmstring | |
d5db4077 | 10481 | = XmStringCreateLocalized (SDATA (default_filename)); |
333b20bb GM |
10482 | |
10483 | if (!XmListItemExists (list, default_xmstring)) | |
10484 | { | |
10485 | /* Add a new item if DEFAULT_FILENAME is not in the list. */ | |
10486 | XmListAddItem (list, default_xmstring, 0); | |
10487 | item_pos = 0; | |
10488 | } | |
10489 | else | |
10490 | item_pos = XmListItemPos (list, default_xmstring); | |
10491 | XmStringFree (default_xmstring); | |
10492 | ||
10493 | /* Select the item and scroll it into view. */ | |
10494 | XmListSelectPos (list, item_pos, True); | |
10495 | XmListSetPos (list, item_pos); | |
10496 | } | |
10497 | ||
bf338245 | 10498 | /* Process events until the user presses Cancel or OK. */ |
03100098 | 10499 | result = 0; |
a779d213 | 10500 | while (result == 0) |
563b384d | 10501 | { |
bf338245 JD |
10502 | XEvent event; |
10503 | XtAppNextEvent (Xt_app_con, &event); | |
1fcfb866 | 10504 | (void) x_dispatch_event (&event, FRAME_X_DISPLAY (f) ); |
563b384d | 10505 | } |
03100098 | 10506 | |
333b20bb GM |
10507 | /* Get the result. */ |
10508 | if (result == XmCR_OK) | |
10509 | { | |
10510 | XmString text; | |
10511 | String data; | |
177c0ea7 | 10512 | |
d1670063 | 10513 | XtVaGetValues (dialog, XmNtextString, &text, NULL); |
333b20bb GM |
10514 | XmStringGetLtoR (text, XmFONTLIST_DEFAULT_TAG, &data); |
10515 | XmStringFree (text); | |
10516 | file = build_string (data); | |
10517 | XtFree (data); | |
10518 | } | |
10519 | else | |
10520 | file = Qnil; | |
10521 | ||
10522 | /* Clean up. */ | |
10523 | XtUnmanageChild (dialog); | |
10524 | XtDestroyWidget (dialog); | |
10525 | UNBLOCK_INPUT; | |
10526 | UNGCPRO; | |
10527 | ||
10528 | /* Make "Cancel" equivalent to C-g. */ | |
10529 | if (NILP (file)) | |
10530 | Fsignal (Qquit, Qnil); | |
177c0ea7 | 10531 | |
333b20bb GM |
10532 | return unbind_to (count, file); |
10533 | } | |
10534 | ||
10535 | #endif /* USE_MOTIF */ | |
10536 | ||
488dd4c4 JD |
10537 | #ifdef USE_GTK |
10538 | ||
10539 | DEFUN ("x-file-dialog", Fx_file_dialog, Sx_file_dialog, 2, 4, 0, | |
10540 | "Read file name, prompting with PROMPT in directory DIR.\n\ | |
10541 | Use a file selection dialog.\n\ | |
10542 | Select DEFAULT-FILENAME in the dialog's file selection box, if\n\ | |
10543 | specified. Don't let the user enter a file name in the file\n\ | |
10544 | selection dialog's entry field, if MUSTMATCH is non-nil.") | |
10545 | (prompt, dir, default_filename, mustmatch) | |
10546 | Lisp_Object prompt, dir, default_filename, mustmatch; | |
10547 | { | |
10548 | FRAME_PTR f = SELECTED_FRAME (); | |
10549 | char *fn; | |
10550 | Lisp_Object file = Qnil; | |
10551 | int count = specpdl_ptr - specpdl; | |
10552 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5; | |
10553 | char *cdef_file; | |
10554 | char *cprompt; | |
177c0ea7 | 10555 | |
488dd4c4 JD |
10556 | GCPRO5 (prompt, dir, default_filename, mustmatch, file); |
10557 | CHECK_STRING (prompt); | |
10558 | CHECK_STRING (dir); | |
10559 | ||
10560 | /* Prevent redisplay. */ | |
10561 | specbind (Qinhibit_redisplay, Qt); | |
10562 | ||
10563 | BLOCK_INPUT; | |
10564 | ||
10565 | if (STRINGP (default_filename)) | |
10566 | cdef_file = SDATA (default_filename); | |
10567 | else | |
10568 | cdef_file = SDATA (dir); | |
10569 | ||
10570 | fn = xg_get_file_name (f, SDATA (prompt), cdef_file, ! NILP (mustmatch)); | |
177c0ea7 | 10571 | |
488dd4c4 JD |
10572 | if (fn) |
10573 | { | |
10574 | file = build_string (fn); | |
10575 | xfree (fn); | |
10576 | } | |
10577 | ||
10578 | UNBLOCK_INPUT; | |
10579 | UNGCPRO; | |
10580 | ||
10581 | /* Make "Cancel" equivalent to C-g. */ | |
10582 | if (NILP (file)) | |
10583 | Fsignal (Qquit, Qnil); | |
177c0ea7 | 10584 | |
488dd4c4 JD |
10585 | return unbind_to (count, file); |
10586 | } | |
10587 | ||
10588 | #endif /* USE_GTK */ | |
333b20bb GM |
10589 | |
10590 | \f | |
82bab41c GM |
10591 | /*********************************************************************** |
10592 | Keyboard | |
10593 | ***********************************************************************/ | |
10594 | ||
10595 | #ifdef HAVE_XKBGETKEYBOARD | |
10596 | #include <X11/XKBlib.h> | |
10597 | #include <X11/keysym.h> | |
10598 | #endif | |
10599 | ||
10600 | DEFUN ("x-backspace-delete-keys-p", Fx_backspace_delete_keys_p, | |
10601 | Sx_backspace_delete_keys_p, 0, 1, 0, | |
7ee72033 | 10602 | doc: /* Check if both Backspace and Delete keys are on the keyboard of FRAME. |
c061c855 GM |
10603 | FRAME nil means use the selected frame. |
10604 | Value is t if we know that both keys are present, and are mapped to the | |
7ee72033 MB |
10605 | usual X keysyms. */) |
10606 | (frame) | |
82bab41c GM |
10607 | Lisp_Object frame; |
10608 | { | |
10609 | #ifdef HAVE_XKBGETKEYBOARD | |
10610 | XkbDescPtr kb; | |
10611 | struct frame *f = check_x_frame (frame); | |
10612 | Display *dpy = FRAME_X_DISPLAY (f); | |
10613 | Lisp_Object have_keys; | |
46f6a258 | 10614 | int major, minor, op, event, error; |
82bab41c GM |
10615 | |
10616 | BLOCK_INPUT; | |
46f6a258 GM |
10617 | |
10618 | /* Check library version in case we're dynamically linked. */ | |
10619 | major = XkbMajorVersion; | |
10620 | minor = XkbMinorVersion; | |
10621 | if (!XkbLibraryVersion (&major, &minor)) | |
c1efd260 GM |
10622 | { |
10623 | UNBLOCK_INPUT; | |
10624 | return Qnil; | |
10625 | } | |
46f6a258 GM |
10626 | |
10627 | /* Check that the server supports XKB. */ | |
10628 | major = XkbMajorVersion; | |
10629 | minor = XkbMinorVersion; | |
10630 | if (!XkbQueryExtension (dpy, &op, &event, &error, &major, &minor)) | |
c1efd260 GM |
10631 | { |
10632 | UNBLOCK_INPUT; | |
10633 | return Qnil; | |
10634 | } | |
177c0ea7 | 10635 | |
46f6a258 | 10636 | have_keys = Qnil; |
c1efd260 | 10637 | kb = XkbGetMap (dpy, XkbAllMapComponentsMask, XkbUseCoreKbd); |
82bab41c GM |
10638 | if (kb) |
10639 | { | |
10640 | int delete_keycode = 0, backspace_keycode = 0, i; | |
c1efd260 GM |
10641 | |
10642 | if (XkbGetNames (dpy, XkbAllNamesMask, kb) == Success) | |
82bab41c | 10643 | { |
c1efd260 GM |
10644 | for (i = kb->min_key_code; |
10645 | (i < kb->max_key_code | |
10646 | && (delete_keycode == 0 || backspace_keycode == 0)); | |
10647 | ++i) | |
10648 | { | |
d63931a2 GM |
10649 | /* The XKB symbolic key names can be seen most easily in |
10650 | the PS file generated by `xkbprint -label name | |
10651 | $DISPLAY'. */ | |
c1efd260 GM |
10652 | if (bcmp ("DELE", kb->names->keys[i].name, 4) == 0) |
10653 | delete_keycode = i; | |
10654 | else if (bcmp ("BKSP", kb->names->keys[i].name, 4) == 0) | |
10655 | backspace_keycode = i; | |
10656 | } | |
10657 | ||
10658 | XkbFreeNames (kb, 0, True); | |
82bab41c GM |
10659 | } |
10660 | ||
c1efd260 | 10661 | XkbFreeClientMap (kb, 0, True); |
177c0ea7 | 10662 | |
82bab41c GM |
10663 | if (delete_keycode |
10664 | && backspace_keycode | |
10665 | && XKeysymToKeycode (dpy, XK_Delete) == delete_keycode | |
10666 | && XKeysymToKeycode (dpy, XK_BackSpace) == backspace_keycode) | |
10667 | have_keys = Qt; | |
10668 | } | |
10669 | UNBLOCK_INPUT; | |
10670 | return have_keys; | |
10671 | #else /* not HAVE_XKBGETKEYBOARD */ | |
10672 | return Qnil; | |
10673 | #endif /* not HAVE_XKBGETKEYBOARD */ | |
10674 | } | |
10675 | ||
10676 | ||
10677 | \f | |
333b20bb GM |
10678 | /*********************************************************************** |
10679 | Initialization | |
10680 | ***********************************************************************/ | |
10681 | ||
4dacadcc | 10682 | /* Keep this list in the same order as frame_parms in frame.c. |
7c0d3ed8 KS |
10683 | Use 0 for unsupported frame parameters. */ |
10684 | ||
10685 | frame_parm_handler x_frame_parm_handlers[] = | |
10686 | { | |
10687 | x_set_autoraise, | |
10688 | x_set_autolower, | |
10689 | x_set_background_color, | |
10690 | x_set_border_color, | |
10691 | x_set_border_width, | |
10692 | x_set_cursor_color, | |
10693 | x_set_cursor_type, | |
10694 | x_set_font, | |
10695 | x_set_foreground_color, | |
10696 | x_set_icon_name, | |
10697 | x_set_icon_type, | |
10698 | x_set_internal_border_width, | |
10699 | x_set_menu_bar_lines, | |
10700 | x_set_mouse_color, | |
10701 | x_explicitly_set_name, | |
10702 | x_set_scroll_bar_width, | |
10703 | x_set_title, | |
10704 | x_set_unsplittable, | |
10705 | x_set_vertical_scroll_bars, | |
10706 | x_set_visibility, | |
10707 | x_set_tool_bar_lines, | |
10708 | x_set_scroll_bar_foreground, | |
10709 | x_set_scroll_bar_background, | |
10710 | x_set_screen_gamma, | |
10711 | x_set_line_spacing, | |
10712 | x_set_fringe_width, | |
10713 | x_set_fringe_width, | |
10714 | x_set_wait_for_wm, | |
10715 | x_set_fullscreen, | |
10716 | }; | |
10717 | ||
333b20bb GM |
10718 | void |
10719 | syms_of_xfns () | |
10720 | { | |
10721 | /* This is zero if not using X windows. */ | |
10722 | x_in_use = 0; | |
10723 | ||
10724 | /* The section below is built by the lisp expression at the top of the file, | |
10725 | just above where these variables are declared. */ | |
10726 | /*&&& init symbols here &&&*/ | |
baaed68e JB |
10727 | Qnone = intern ("none"); |
10728 | staticpro (&Qnone); | |
8af1d7ca JB |
10729 | Qsuppress_icon = intern ("suppress-icon"); |
10730 | staticpro (&Qsuppress_icon); | |
01f1ba30 | 10731 | Qundefined_color = intern ("undefined-color"); |
f9942c9e | 10732 | staticpro (&Qundefined_color); |
7c7ff7f5 GM |
10733 | Qcenter = intern ("center"); |
10734 | staticpro (&Qcenter); | |
96db09e4 KH |
10735 | Qcompound_text = intern ("compound-text"); |
10736 | staticpro (&Qcompound_text); | |
ae782866 GM |
10737 | Qcancel_timer = intern ("cancel-timer"); |
10738 | staticpro (&Qcancel_timer); | |
f9942c9e JB |
10739 | /* This is the end of symbol initialization. */ |
10740 | ||
58cad5ed KH |
10741 | /* Text property `display' should be nonsticky by default. */ |
10742 | Vtext_property_default_nonsticky | |
10743 | = Fcons (Fcons (Qdisplay, Qt), Vtext_property_default_nonsticky); | |
10744 | ||
10745 | ||
333b20bb GM |
10746 | Qlaplace = intern ("laplace"); |
10747 | staticpro (&Qlaplace); | |
4a8e312c GM |
10748 | Qemboss = intern ("emboss"); |
10749 | staticpro (&Qemboss); | |
10750 | Qedge_detection = intern ("edge-detection"); | |
10751 | staticpro (&Qedge_detection); | |
10752 | Qheuristic = intern ("heuristic"); | |
10753 | staticpro (&Qheuristic); | |
10754 | QCmatrix = intern (":matrix"); | |
10755 | staticpro (&QCmatrix); | |
10756 | QCcolor_adjustment = intern (":color-adjustment"); | |
10757 | staticpro (&QCcolor_adjustment); | |
10758 | QCmask = intern (":mask"); | |
10759 | staticpro (&QCmask); | |
177c0ea7 | 10760 | |
01f1ba30 JB |
10761 | Fput (Qundefined_color, Qerror_conditions, |
10762 | Fcons (Qundefined_color, Fcons (Qerror, Qnil))); | |
10763 | Fput (Qundefined_color, Qerror_message, | |
10764 | build_string ("Undefined color")); | |
10765 | ||
7ee72033 MB |
10766 | DEFVAR_BOOL ("cross-disabled-images", &cross_disabled_images, |
10767 | doc: /* Non-nil means always draw a cross over disabled images. | |
c061c855 GM |
10768 | Disabled images are those having an `:conversion disabled' property. |
10769 | A cross is always drawn on black & white displays. */); | |
14819cb3 GM |
10770 | cross_disabled_images = 0; |
10771 | ||
7ee72033 | 10772 | DEFVAR_LISP ("x-bitmap-file-path", &Vx_bitmap_file_path, |
c5903437 | 10773 | doc: /* List of directories to search for window system bitmap files. */); |
e241c09b | 10774 | Vx_bitmap_file_path = decode_env_path ((char *) 0, PATH_BITMAPS); |
f1c7b5a6 | 10775 | |
7ee72033 MB |
10776 | DEFVAR_LISP ("x-pointer-shape", &Vx_pointer_shape, |
10777 | doc: /* The shape of the pointer when over text. | |
c061c855 GM |
10778 | Changing the value does not affect existing frames |
10779 | unless you set the mouse color. */); | |
01f1ba30 JB |
10780 | Vx_pointer_shape = Qnil; |
10781 | ||
ca0ecbf5 | 10782 | #if 0 /* This doesn't really do anything. */ |
7ee72033 MB |
10783 | DEFVAR_LISP ("x-nontext-pointer-shape", &Vx_nontext_pointer_shape, |
10784 | doc: /* The shape of the pointer when not over text. | |
c061c855 GM |
10785 | This variable takes effect when you create a new frame |
10786 | or when you set the mouse color. */); | |
af01ef26 | 10787 | #endif |
01f1ba30 JB |
10788 | Vx_nontext_pointer_shape = Qnil; |
10789 | ||
7ee72033 MB |
10790 | DEFVAR_LISP ("x-hourglass-pointer-shape", &Vx_hourglass_pointer_shape, |
10791 | doc: /* The shape of the pointer when Emacs is busy. | |
c061c855 GM |
10792 | This variable takes effect when you create a new frame |
10793 | or when you set the mouse color. */); | |
0af913d7 | 10794 | Vx_hourglass_pointer_shape = Qnil; |
333b20bb | 10795 | |
7ee72033 MB |
10796 | DEFVAR_BOOL ("display-hourglass", &display_hourglass_p, |
10797 | doc: /* Non-zero means Emacs displays an hourglass pointer on window systems. */); | |
0af913d7 | 10798 | display_hourglass_p = 1; |
177c0ea7 | 10799 | |
7ee72033 MB |
10800 | DEFVAR_LISP ("hourglass-delay", &Vhourglass_delay, |
10801 | doc: /* *Seconds to wait before displaying an hourglass pointer. | |
c061c855 | 10802 | Value must be an integer or float. */); |
0af913d7 | 10803 | Vhourglass_delay = make_number (DEFAULT_HOURGLASS_DELAY); |
4ae9a85e | 10804 | |
ca0ecbf5 | 10805 | #if 0 /* This doesn't really do anything. */ |
7ee72033 MB |
10806 | DEFVAR_LISP ("x-mode-pointer-shape", &Vx_mode_pointer_shape, |
10807 | doc: /* The shape of the pointer when over the mode line. | |
c061c855 GM |
10808 | This variable takes effect when you create a new frame |
10809 | or when you set the mouse color. */); | |
af01ef26 | 10810 | #endif |
01f1ba30 JB |
10811 | Vx_mode_pointer_shape = Qnil; |
10812 | ||
d3b06468 | 10813 | DEFVAR_LISP ("x-sensitive-text-pointer-shape", |
7ee72033 MB |
10814 | &Vx_sensitive_text_pointer_shape, |
10815 | doc: /* The shape of the pointer when over mouse-sensitive text. | |
c061c855 GM |
10816 | This variable takes effect when you create a new frame |
10817 | or when you set the mouse color. */); | |
ca0ecbf5 | 10818 | Vx_sensitive_text_pointer_shape = Qnil; |
95f80c78 | 10819 | |
8fb4ec9c | 10820 | DEFVAR_LISP ("x-window-horizontal-drag-cursor", |
7ee72033 MB |
10821 | &Vx_window_horizontal_drag_shape, |
10822 | doc: /* Pointer shape to use for indicating a window can be dragged horizontally. | |
c061c855 GM |
10823 | This variable takes effect when you create a new frame |
10824 | or when you set the mouse color. */); | |
8fb4ec9c GM |
10825 | Vx_window_horizontal_drag_shape = Qnil; |
10826 | ||
7ee72033 MB |
10827 | DEFVAR_LISP ("x-cursor-fore-pixel", &Vx_cursor_fore_pixel, |
10828 | doc: /* A string indicating the foreground color of the cursor box. */); | |
01f1ba30 JB |
10829 | Vx_cursor_fore_pixel = Qnil; |
10830 | ||
7ee72033 MB |
10831 | DEFVAR_LISP ("x-max-tooltip-size", &Vx_max_tooltip_size, |
10832 | doc: /* Maximum size for tooltips. Value is a pair (COLUMNS . ROWS). | |
c061c855 | 10833 | Text larger than this is clipped. */); |
d63931a2 | 10834 | Vx_max_tooltip_size = Fcons (make_number (80), make_number (40)); |
177c0ea7 | 10835 | |
7ee72033 MB |
10836 | DEFVAR_LISP ("x-no-window-manager", &Vx_no_window_manager, |
10837 | doc: /* Non-nil if no X window manager is in use. | |
c061c855 GM |
10838 | Emacs doesn't try to figure this out; this is always nil |
10839 | unless you set it to something else. */); | |
2d38195d RS |
10840 | /* We don't have any way to find this out, so set it to nil |
10841 | and maybe the user would like to set it to t. */ | |
10842 | Vx_no_window_manager = Qnil; | |
1d3dac41 | 10843 | |
942ea06d | 10844 | DEFVAR_LISP ("x-pixel-size-width-font-regexp", |
7ee72033 MB |
10845 | &Vx_pixel_size_width_font_regexp, |
10846 | doc: /* Regexp matching a font name whose width is the same as `PIXEL_SIZE'. | |
c061c855 GM |
10847 | |
10848 | Since Emacs gets width of a font matching with this regexp from | |
10849 | PIXEL_SIZE field of the name, font finding mechanism gets faster for | |
10850 | such a font. This is especially effective for such large fonts as | |
10851 | Chinese, Japanese, and Korean. */); | |
942ea06d KH |
10852 | Vx_pixel_size_width_font_regexp = Qnil; |
10853 | ||
7ee72033 MB |
10854 | DEFVAR_LISP ("image-cache-eviction-delay", &Vimage_cache_eviction_delay, |
10855 | doc: /* Time after which cached images are removed from the cache. | |
c061c855 GM |
10856 | When an image has not been displayed this many seconds, remove it |
10857 | from the image cache. Value must be an integer or nil with nil | |
10858 | meaning don't clear the cache. */); | |
fcf431dc | 10859 | Vimage_cache_eviction_delay = make_number (30 * 60); |
333b20bb | 10860 | |
1d3dac41 | 10861 | #ifdef USE_X_TOOLKIT |
6f3f6a8d | 10862 | Fprovide (intern ("x-toolkit"), Qnil); |
5b827abb | 10863 | #ifdef USE_MOTIF |
6f3f6a8d | 10864 | Fprovide (intern ("motif"), Qnil); |
fc2cdd9a | 10865 | |
7ee72033 MB |
10866 | DEFVAR_LISP ("motif-version-string", &Vmotif_version_string, |
10867 | doc: /* Version info for LessTif/Motif. */); | |
fc2cdd9a GM |
10868 | Vmotif_version_string = build_string (XmVERSION_STRING); |
10869 | #endif /* USE_MOTIF */ | |
10870 | #endif /* USE_X_TOOLKIT */ | |
01f1ba30 | 10871 | |
333b20bb GM |
10872 | /* X window properties. */ |
10873 | defsubr (&Sx_change_window_property); | |
10874 | defsubr (&Sx_delete_window_property); | |
10875 | defsubr (&Sx_window_property); | |
10876 | ||
2d764c78 | 10877 | defsubr (&Sxw_display_color_p); |
d0c9d219 | 10878 | defsubr (&Sx_display_grayscale_p); |
2d764c78 EZ |
10879 | defsubr (&Sxw_color_defined_p); |
10880 | defsubr (&Sxw_color_values); | |
9d317b2c | 10881 | defsubr (&Sx_server_max_request_size); |
41beb8fc RS |
10882 | defsubr (&Sx_server_vendor); |
10883 | defsubr (&Sx_server_version); | |
10884 | defsubr (&Sx_display_pixel_width); | |
10885 | defsubr (&Sx_display_pixel_height); | |
10886 | defsubr (&Sx_display_mm_width); | |
10887 | defsubr (&Sx_display_mm_height); | |
10888 | defsubr (&Sx_display_screens); | |
10889 | defsubr (&Sx_display_planes); | |
10890 | defsubr (&Sx_display_color_cells); | |
10891 | defsubr (&Sx_display_visual_class); | |
10892 | defsubr (&Sx_display_backing_store); | |
10893 | defsubr (&Sx_display_save_under); | |
f676886a | 10894 | defsubr (&Sx_create_frame); |
01f1ba30 | 10895 | defsubr (&Sx_open_connection); |
08a90d6a RS |
10896 | defsubr (&Sx_close_connection); |
10897 | defsubr (&Sx_display_list); | |
01f1ba30 | 10898 | defsubr (&Sx_synchronize); |
3decc1e7 | 10899 | defsubr (&Sx_focus_frame); |
82bab41c | 10900 | defsubr (&Sx_backspace_delete_keys_p); |
177c0ea7 | 10901 | |
942ea06d KH |
10902 | /* Setting callback functions for fontset handler. */ |
10903 | get_font_info_func = x_get_font_info; | |
333b20bb GM |
10904 | |
10905 | #if 0 /* This function pointer doesn't seem to be used anywhere. | |
10906 | And the pointer assigned has the wrong type, anyway. */ | |
942ea06d | 10907 | list_fonts_func = x_list_fonts; |
333b20bb | 10908 | #endif |
177c0ea7 | 10909 | |
942ea06d | 10910 | load_font_func = x_load_font; |
bc1958c4 | 10911 | find_ccl_program_func = x_find_ccl_program; |
942ea06d KH |
10912 | query_font_func = x_query_font; |
10913 | set_frame_fontset_func = x_set_font; | |
5f652afc | 10914 | get_font_repertory_func = x_get_font_repertory; |
942ea06d | 10915 | check_window_system_func = check_x; |
333b20bb GM |
10916 | |
10917 | /* Images. */ | |
10918 | Qxbm = intern ("xbm"); | |
10919 | staticpro (&Qxbm); | |
d2dc8167 GM |
10920 | QCconversion = intern (":conversion"); |
10921 | staticpro (&QCconversion); | |
333b20bb GM |
10922 | QCheuristic_mask = intern (":heuristic-mask"); |
10923 | staticpro (&QCheuristic_mask); | |
10924 | QCcolor_symbols = intern (":color-symbols"); | |
10925 | staticpro (&QCcolor_symbols); | |
333b20bb GM |
10926 | QCascent = intern (":ascent"); |
10927 | staticpro (&QCascent); | |
10928 | QCmargin = intern (":margin"); | |
10929 | staticpro (&QCmargin); | |
10930 | QCrelief = intern (":relief"); | |
10931 | staticpro (&QCrelief); | |
fcf431dc GM |
10932 | Qpostscript = intern ("postscript"); |
10933 | staticpro (&Qpostscript); | |
333b20bb GM |
10934 | QCloader = intern (":loader"); |
10935 | staticpro (&QCloader); | |
10936 | QCbounding_box = intern (":bounding-box"); | |
10937 | staticpro (&QCbounding_box); | |
10938 | QCpt_width = intern (":pt-width"); | |
10939 | staticpro (&QCpt_width); | |
10940 | QCpt_height = intern (":pt-height"); | |
10941 | staticpro (&QCpt_height); | |
3ccff1e3 GM |
10942 | QCindex = intern (":index"); |
10943 | staticpro (&QCindex); | |
333b20bb GM |
10944 | Qpbm = intern ("pbm"); |
10945 | staticpro (&Qpbm); | |
10946 | ||
10947 | #if HAVE_XPM | |
10948 | Qxpm = intern ("xpm"); | |
10949 | staticpro (&Qxpm); | |
10950 | #endif | |
177c0ea7 | 10951 | |
333b20bb GM |
10952 | #if HAVE_JPEG |
10953 | Qjpeg = intern ("jpeg"); | |
10954 | staticpro (&Qjpeg); | |
177c0ea7 | 10955 | #endif |
333b20bb GM |
10956 | |
10957 | #if HAVE_TIFF | |
10958 | Qtiff = intern ("tiff"); | |
10959 | staticpro (&Qtiff); | |
177c0ea7 | 10960 | #endif |
333b20bb GM |
10961 | |
10962 | #if HAVE_GIF | |
10963 | Qgif = intern ("gif"); | |
10964 | staticpro (&Qgif); | |
10965 | #endif | |
10966 | ||
10967 | #if HAVE_PNG | |
10968 | Qpng = intern ("png"); | |
10969 | staticpro (&Qpng); | |
10970 | #endif | |
10971 | ||
10972 | defsubr (&Sclear_image_cache); | |
42677916 | 10973 | defsubr (&Simage_size); |
b243755a | 10974 | defsubr (&Simage_mask_p); |
333b20bb | 10975 | |
0af913d7 GM |
10976 | hourglass_atimer = NULL; |
10977 | hourglass_shown_p = 0; | |
333b20bb GM |
10978 | |
10979 | defsubr (&Sx_show_tip); | |
10980 | defsubr (&Sx_hide_tip); | |
333b20bb | 10981 | tip_timer = Qnil; |
44b5a125 GM |
10982 | staticpro (&tip_timer); |
10983 | tip_frame = Qnil; | |
10984 | staticpro (&tip_frame); | |
333b20bb | 10985 | |
06d62053 GM |
10986 | last_show_tip_args = Qnil; |
10987 | staticpro (&last_show_tip_args); | |
10988 | ||
333b20bb GM |
10989 | #ifdef USE_MOTIF |
10990 | defsubr (&Sx_file_dialog); | |
10991 | #endif | |
10992 | } | |
10993 | ||
10994 | ||
10995 | void | |
10996 | init_xfns () | |
10997 | { | |
10998 | image_types = NULL; | |
10999 | Vimage_types = Qnil; | |
177c0ea7 | 11000 | |
333b20bb GM |
11001 | define_image_type (&xbm_type); |
11002 | define_image_type (&gs_type); | |
11003 | define_image_type (&pbm_type); | |
177c0ea7 | 11004 | |
333b20bb GM |
11005 | #if HAVE_XPM |
11006 | define_image_type (&xpm_type); | |
11007 | #endif | |
177c0ea7 | 11008 | |
333b20bb GM |
11009 | #if HAVE_JPEG |
11010 | define_image_type (&jpeg_type); | |
11011 | #endif | |
177c0ea7 | 11012 | |
333b20bb GM |
11013 | #if HAVE_TIFF |
11014 | define_image_type (&tiff_type); | |
11015 | #endif | |
177c0ea7 | 11016 | |
333b20bb GM |
11017 | #if HAVE_GIF |
11018 | define_image_type (&gif_type); | |
11019 | #endif | |
177c0ea7 | 11020 | |
333b20bb GM |
11021 | #if HAVE_PNG |
11022 | define_image_type (&png_type); | |
11023 | #endif | |
01f1ba30 JB |
11024 | } |
11025 | ||
11026 | #endif /* HAVE_X_WINDOWS */ |