Commit | Line | Data |
---|---|---|
01f1ba30 | 1 | /* Functions for the X window system. |
edf36fe6 | 2 | Copyright (C) 1989, 92, 93, 94, 95, 96, 1997, 1998, 1999, 2000, 2001 |
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 | |
40e6f148 | 27 | /* This makes the fields of a Display accessible, in Xlib header files. */ |
333b20bb | 28 | |
40e6f148 RS |
29 | #define XLIB_ILLEGAL_ACCESS |
30 | ||
01f1ba30 JB |
31 | #include "lisp.h" |
32 | #include "xterm.h" | |
f676886a | 33 | #include "frame.h" |
01f1ba30 JB |
34 | #include "window.h" |
35 | #include "buffer.h" | |
58cad5ed | 36 | #include "intervals.h" |
01f1ba30 | 37 | #include "dispextern.h" |
1f98fa48 | 38 | #include "keyboard.h" |
9ac0d9e0 | 39 | #include "blockinput.h" |
57bda87a | 40 | #include <epaths.h> |
942ea06d | 41 | #include "charset.h" |
96db09e4 | 42 | #include "coding.h" |
942ea06d | 43 | #include "fontset.h" |
333b20bb GM |
44 | #include "systime.h" |
45 | #include "termhooks.h" | |
4ae9a85e | 46 | #include "atimer.h" |
01f1ba30 JB |
47 | |
48 | #ifdef HAVE_X_WINDOWS | |
67ba84d1 | 49 | |
67ba84d1 | 50 | #include <ctype.h> |
63cec32f GM |
51 | #include <sys/types.h> |
52 | #include <sys/stat.h> | |
01f1ba30 | 53 | |
0a93081c | 54 | #ifndef VMS |
0505a740 | 55 | #if 1 /* Used to be #ifdef EMACS_BITMAP_FILES, but this should always work. */ |
ef493a27 RS |
56 | #include "bitmaps/gray.xbm" |
57 | #else | |
dbc4e1c1 | 58 | #include <X11/bitmaps/gray> |
ef493a27 | 59 | #endif |
0a93081c JB |
60 | #else |
61 | #include "[.bitmaps]gray.xbm" | |
62 | #endif | |
dbc4e1c1 | 63 | |
9ef48a9d RS |
64 | #ifdef USE_X_TOOLKIT |
65 | #include <X11/Shell.h> | |
66 | ||
398ffa92 | 67 | #ifndef USE_MOTIF |
9ef48a9d RS |
68 | #include <X11/Xaw/Paned.h> |
69 | #include <X11/Xaw/Label.h> | |
398ffa92 | 70 | #endif /* USE_MOTIF */ |
9ef48a9d RS |
71 | |
72 | #ifdef USG | |
73 | #undef USG /* ####KLUDGE for Solaris 2.2 and up */ | |
74 | #include <X11/Xos.h> | |
75 | #define USG | |
76 | #else | |
77 | #include <X11/Xos.h> | |
78 | #endif | |
79 | ||
80 | #include "widget.h" | |
81 | ||
82 | #include "../lwlib/lwlib.h" | |
83 | ||
333b20bb GM |
84 | #ifdef USE_MOTIF |
85 | #include <Xm/Xm.h> | |
86 | #include <Xm/DialogS.h> | |
87 | #include <Xm/FileSB.h> | |
88 | #endif | |
89 | ||
3b882b1d RS |
90 | /* Do the EDITRES protocol if running X11R5 |
91 | Exception: HP-UX (at least version A.09.05) has X11R5 without EditRes */ | |
333b20bb | 92 | |
3b882b1d | 93 | #if (XtSpecificationRelease >= 5) && !defined(NO_EDITRES) |
6c32dd68 | 94 | #define HACK_EDITRES |
b9dc4443 | 95 | extern void _XEditResCheckMessages (); |
6c32dd68 PR |
96 | #endif /* R5 + Athena */ |
97 | ||
333b20bb GM |
98 | /* Unique id counter for widgets created by the Lucid Widget Library. */ |
99 | ||
6c32dd68 PR |
100 | extern LWLIB_ID widget_id_tick; |
101 | ||
e3881aa0 | 102 | #ifdef USE_LUCID |
82c90203 | 103 | /* This is part of a kludge--see lwlib/xlwmenu.c. */ |
03e2c340 | 104 | extern XFontStruct *xlwmenu_default_font; |
e3881aa0 | 105 | #endif |
9ef48a9d | 106 | |
6bc20398 | 107 | extern void free_frame_menubar (); |
d62c8769 | 108 | extern double atof (); |
333b20bb | 109 | |
9ef48a9d RS |
110 | #endif /* USE_X_TOOLKIT */ |
111 | ||
01f1ba30 JB |
112 | #define min(a,b) ((a) < (b) ? (a) : (b)) |
113 | #define max(a,b) ((a) > (b) ? (a) : (b)) | |
114 | ||
9d317b2c RS |
115 | #ifdef HAVE_X11R4 |
116 | #define MAXREQUEST(dpy) (XMaxRequestSize (dpy)) | |
117 | #else | |
118 | #define MAXREQUEST(dpy) ((dpy)->max_request_size) | |
119 | #endif | |
120 | ||
333b20bb GM |
121 | /* The gray bitmap `bitmaps/gray'. This is done because xterm.c uses |
122 | it, and including `bitmaps/gray' more than once is a problem when | |
123 | config.h defines `static' as an empty replacement string. */ | |
124 | ||
125 | int gray_bitmap_width = gray_width; | |
126 | int gray_bitmap_height = gray_height; | |
62906360 | 127 | char *gray_bitmap_bits = gray_bits; |
333b20bb | 128 | |
498e9ac3 | 129 | /* The name we're using in resource queries. Most often "emacs". */ |
333b20bb | 130 | |
d387c960 | 131 | Lisp_Object Vx_resource_name; |
ac63d3d6 | 132 | |
498e9ac3 RS |
133 | /* The application class we're using in resource queries. |
134 | Normally "Emacs". */ | |
333b20bb | 135 | |
498e9ac3 RS |
136 | Lisp_Object Vx_resource_class; |
137 | ||
333b20bb GM |
138 | /* Non-zero means we're allowed to display a busy cursor. */ |
139 | ||
140 | int display_busy_cursor_p; | |
141 | ||
01f1ba30 | 142 | /* The background and shape of the mouse pointer, and shape when not |
b9dc4443 | 143 | over text or in the modeline. */ |
333b20bb | 144 | |
01f1ba30 | 145 | Lisp_Object Vx_pointer_shape, Vx_nontext_pointer_shape, Vx_mode_pointer_shape; |
333b20bb GM |
146 | Lisp_Object Vx_busy_pointer_shape; |
147 | ||
ca0ecbf5 | 148 | /* The shape when over mouse-sensitive text. */ |
333b20bb | 149 | |
ca0ecbf5 | 150 | Lisp_Object Vx_sensitive_text_pointer_shape; |
01f1ba30 | 151 | |
8fb4ec9c GM |
152 | /* If non-nil, the pointer shape to indicate that windows can be |
153 | dragged horizontally. */ | |
154 | ||
155 | Lisp_Object Vx_window_horizontal_drag_shape; | |
156 | ||
b9dc4443 | 157 | /* Color of chars displayed in cursor box. */ |
333b20bb | 158 | |
01f1ba30 JB |
159 | Lisp_Object Vx_cursor_fore_pixel; |
160 | ||
b9dc4443 | 161 | /* Nonzero if using X. */ |
333b20bb | 162 | |
b9dc4443 | 163 | static int x_in_use; |
01f1ba30 | 164 | |
b9dc4443 | 165 | /* Non nil if no window manager is in use. */ |
333b20bb | 166 | |
01f1ba30 JB |
167 | Lisp_Object Vx_no_window_manager; |
168 | ||
f1c7b5a6 | 169 | /* Search path for bitmap files. */ |
333b20bb | 170 | |
f1c7b5a6 RS |
171 | Lisp_Object Vx_bitmap_file_path; |
172 | ||
942ea06d | 173 | /* Regexp matching a font name whose width is the same as `PIXEL_SIZE'. */ |
333b20bb | 174 | |
942ea06d KH |
175 | Lisp_Object Vx_pixel_size_width_font_regexp; |
176 | ||
f9942c9e JB |
177 | Lisp_Object Qauto_raise; |
178 | Lisp_Object Qauto_lower; | |
dbc4e1c1 | 179 | Lisp_Object Qbar; |
f9942c9e JB |
180 | Lisp_Object Qborder_color; |
181 | Lisp_Object Qborder_width; | |
dbc4e1c1 | 182 | Lisp_Object Qbox; |
f9942c9e | 183 | Lisp_Object Qcursor_color; |
dbc4e1c1 | 184 | Lisp_Object Qcursor_type; |
f9942c9e | 185 | Lisp_Object Qgeometry; |
f9942c9e JB |
186 | Lisp_Object Qicon_left; |
187 | Lisp_Object Qicon_top; | |
188 | Lisp_Object Qicon_type; | |
80534dd6 | 189 | Lisp_Object Qicon_name; |
f9942c9e JB |
190 | Lisp_Object Qinternal_border_width; |
191 | Lisp_Object Qleft; | |
1ab3d87e | 192 | Lisp_Object Qright; |
f9942c9e | 193 | Lisp_Object Qmouse_color; |
baaed68e | 194 | Lisp_Object Qnone; |
2cbebefb | 195 | Lisp_Object Qouter_window_id; |
f9942c9e | 196 | Lisp_Object Qparent_id; |
4701395c | 197 | Lisp_Object Qscroll_bar_width; |
8af1d7ca | 198 | Lisp_Object Qsuppress_icon; |
333b20bb | 199 | extern Lisp_Object Qtop; |
01f1ba30 | 200 | Lisp_Object Qundefined_color; |
a3c87d4e | 201 | Lisp_Object Qvertical_scroll_bars; |
49795535 | 202 | Lisp_Object Qvisibility; |
f9942c9e | 203 | Lisp_Object Qwindow_id; |
f676886a | 204 | Lisp_Object Qx_frame_parameter; |
9ef48a9d | 205 | Lisp_Object Qx_resource_name; |
4fe1de12 RS |
206 | Lisp_Object Quser_position; |
207 | Lisp_Object Quser_size; | |
0cafb359 | 208 | extern Lisp_Object Qdisplay; |
333b20bb | 209 | Lisp_Object Qscroll_bar_foreground, Qscroll_bar_background; |
7c7ff7f5 | 210 | Lisp_Object Qscreen_gamma, Qline_spacing, Qcenter; |
ae782866 | 211 | Lisp_Object Qcompound_text, Qcancel_timer; |
01f1ba30 | 212 | |
b9dc4443 | 213 | /* The below are defined in frame.c. */ |
333b20bb | 214 | |
baaed68e | 215 | extern Lisp_Object Qheight, Qminibuffer, Qname, Qonly, Qwidth; |
c2304e02 | 216 | extern Lisp_Object Qunsplittable, Qmenu_bar_lines, Qbuffer_predicate, Qtitle; |
9ea173e8 | 217 | extern Lisp_Object Qtool_bar_lines; |
f9942c9e | 218 | |
01f1ba30 JB |
219 | extern Lisp_Object Vwindow_system_version; |
220 | ||
a367641f | 221 | Lisp_Object Qface_set_after_frame_default; |
333b20bb | 222 | |
f1d2ce7f | 223 | #if GLYPH_DEBUG |
eaf1eea9 GM |
224 | int image_cache_refcount, dpyinfo_refcount; |
225 | #endif | |
226 | ||
227 | ||
01f1ba30 | 228 | \f |
11ae94fe | 229 | /* Error if we are not connected to X. */ |
333b20bb | 230 | |
7fc9de26 | 231 | void |
11ae94fe RS |
232 | check_x () |
233 | { | |
b9dc4443 | 234 | if (! x_in_use) |
11ae94fe RS |
235 | error ("X windows are not in use or not initialized"); |
236 | } | |
237 | ||
1c59f5df RS |
238 | /* Nonzero if we can use mouse menus. |
239 | You should not call this unless HAVE_MENUS is defined. */ | |
75cc8ee5 RS |
240 | |
241 | int | |
1c59f5df | 242 | have_menus_p () |
75cc8ee5 | 243 | { |
b9dc4443 RS |
244 | return x_in_use; |
245 | } | |
246 | ||
247 | /* Extract a frame as a FRAME_PTR, defaulting to the selected frame | |
248 | and checking validity for X. */ | |
249 | ||
250 | FRAME_PTR | |
251 | check_x_frame (frame) | |
252 | Lisp_Object frame; | |
253 | { | |
254 | FRAME_PTR f; | |
255 | ||
256 | if (NILP (frame)) | |
0fe92f72 GM |
257 | frame = selected_frame; |
258 | CHECK_LIVE_FRAME (frame, 0); | |
259 | f = XFRAME (frame); | |
b9dc4443 | 260 | if (! FRAME_X_P (f)) |
1c59f5df | 261 | error ("Non-X frame used"); |
b9dc4443 | 262 | return f; |
75cc8ee5 RS |
263 | } |
264 | ||
b9dc4443 RS |
265 | /* Let the user specify an X display with a frame. |
266 | nil stands for the selected frame--or, if that is not an X frame, | |
267 | the first X display on the list. */ | |
268 | ||
269 | static struct x_display_info * | |
270 | check_x_display_info (frame) | |
271 | Lisp_Object frame; | |
272 | { | |
8ec8a5ec GM |
273 | struct x_display_info *dpyinfo = NULL; |
274 | ||
b9dc4443 RS |
275 | if (NILP (frame)) |
276 | { | |
0fe92f72 GM |
277 | struct frame *sf = XFRAME (selected_frame); |
278 | ||
279 | if (FRAME_X_P (sf) && FRAME_LIVE_P (sf)) | |
8ec8a5ec | 280 | dpyinfo = FRAME_X_DISPLAY_INFO (sf); |
b9dc4443 | 281 | else if (x_display_list != 0) |
8ec8a5ec | 282 | dpyinfo = x_display_list; |
b9dc4443 RS |
283 | else |
284 | error ("X windows are not in use or not initialized"); | |
285 | } | |
286 | else if (STRINGP (frame)) | |
8ec8a5ec | 287 | dpyinfo = x_display_info_for_name (frame); |
b9dc4443 RS |
288 | else |
289 | { | |
290 | FRAME_PTR f; | |
291 | ||
292 | CHECK_LIVE_FRAME (frame, 0); | |
293 | f = XFRAME (frame); | |
294 | if (! FRAME_X_P (f)) | |
1c59f5df | 295 | error ("Non-X frame used"); |
8ec8a5ec | 296 | dpyinfo = FRAME_X_DISPLAY_INFO (f); |
b9dc4443 | 297 | } |
8ec8a5ec GM |
298 | |
299 | return dpyinfo; | |
b9dc4443 | 300 | } |
333b20bb | 301 | |
b9dc4443 | 302 | \f |
f676886a JB |
303 | /* Return the Emacs frame-object corresponding to an X window. |
304 | It could be the frame's main window or an icon window. */ | |
01f1ba30 | 305 | |
34ca5317 | 306 | /* This function can be called during GC, so use GC_xxx type test macros. */ |
bcb2db92 | 307 | |
f676886a | 308 | struct frame * |
2d271e2e KH |
309 | x_window_to_frame (dpyinfo, wdesc) |
310 | struct x_display_info *dpyinfo; | |
01f1ba30 JB |
311 | int wdesc; |
312 | { | |
f676886a JB |
313 | Lisp_Object tail, frame; |
314 | struct frame *f; | |
01f1ba30 | 315 | |
8e713be6 | 316 | for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail)) |
01f1ba30 | 317 | { |
8e713be6 | 318 | frame = XCAR (tail); |
34ca5317 | 319 | if (!GC_FRAMEP (frame)) |
01f1ba30 | 320 | continue; |
f676886a | 321 | f = XFRAME (frame); |
2d764c78 | 322 | if (!FRAME_X_P (f) || FRAME_X_DISPLAY_INFO (f) != dpyinfo) |
2d271e2e | 323 | continue; |
17cbbf95 GM |
324 | if (f->output_data.x->busy_window == wdesc) |
325 | return f; | |
9ef48a9d | 326 | #ifdef USE_X_TOOLKIT |
7556890b RS |
327 | if ((f->output_data.x->edit_widget |
328 | && XtWindow (f->output_data.x->edit_widget) == wdesc) | |
333b20bb GM |
329 | /* A tooltip frame? */ |
330 | || (!f->output_data.x->edit_widget | |
331 | && FRAME_X_WINDOW (f) == wdesc) | |
7556890b | 332 | || f->output_data.x->icon_desc == wdesc) |
9ef48a9d RS |
333 | return f; |
334 | #else /* not USE_X_TOOLKIT */ | |
fe24a618 | 335 | if (FRAME_X_WINDOW (f) == wdesc |
7556890b | 336 | || f->output_data.x->icon_desc == wdesc) |
f676886a | 337 | return f; |
9ef48a9d RS |
338 | #endif /* not USE_X_TOOLKIT */ |
339 | } | |
340 | return 0; | |
341 | } | |
342 | ||
343 | #ifdef USE_X_TOOLKIT | |
344 | /* Like x_window_to_frame but also compares the window with the widget's | |
345 | windows. */ | |
346 | ||
347 | struct frame * | |
2d271e2e KH |
348 | x_any_window_to_frame (dpyinfo, wdesc) |
349 | struct x_display_info *dpyinfo; | |
9ef48a9d RS |
350 | int wdesc; |
351 | { | |
352 | Lisp_Object tail, frame; | |
17cbbf95 | 353 | struct frame *f, *found; |
7556890b | 354 | struct x_output *x; |
9ef48a9d | 355 | |
17cbbf95 GM |
356 | found = NULL; |
357 | for (tail = Vframe_list; GC_CONSP (tail) && !found; tail = XCDR (tail)) | |
9ef48a9d | 358 | { |
8e713be6 | 359 | frame = XCAR (tail); |
34ca5317 | 360 | if (!GC_FRAMEP (frame)) |
9ef48a9d | 361 | continue; |
17cbbf95 | 362 | |
9ef48a9d | 363 | f = XFRAME (frame); |
17cbbf95 | 364 | if (FRAME_X_P (f) && FRAME_X_DISPLAY_INFO (f) == dpyinfo) |
333b20bb | 365 | { |
17cbbf95 GM |
366 | /* This frame matches if the window is any of its widgets. */ |
367 | x = f->output_data.x; | |
368 | if (x->busy_window == wdesc) | |
369 | found = f; | |
370 | else if (x->widget) | |
371 | { | |
372 | if (wdesc == XtWindow (x->widget) | |
373 | || wdesc == XtWindow (x->column_widget) | |
374 | || wdesc == XtWindow (x->edit_widget)) | |
375 | found = f; | |
376 | /* Match if the window is this frame's menubar. */ | |
377 | else if (lw_window_is_in_menubar (wdesc, x->menubar_widget)) | |
378 | found = f; | |
379 | } | |
380 | else if (FRAME_X_WINDOW (f) == wdesc) | |
381 | /* A tooltip frame. */ | |
382 | found = f; | |
333b20bb | 383 | } |
01f1ba30 | 384 | } |
17cbbf95 GM |
385 | |
386 | return found; | |
01f1ba30 | 387 | } |
5e65b9ab | 388 | |
5fbc3f3a KH |
389 | /* Likewise, but exclude the menu bar widget. */ |
390 | ||
391 | struct frame * | |
392 | x_non_menubar_window_to_frame (dpyinfo, wdesc) | |
393 | struct x_display_info *dpyinfo; | |
394 | int wdesc; | |
395 | { | |
396 | Lisp_Object tail, frame; | |
397 | struct frame *f; | |
7556890b | 398 | struct x_output *x; |
5fbc3f3a | 399 | |
8e713be6 | 400 | for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail)) |
5fbc3f3a | 401 | { |
8e713be6 | 402 | frame = XCAR (tail); |
5fbc3f3a KH |
403 | if (!GC_FRAMEP (frame)) |
404 | continue; | |
405 | f = XFRAME (frame); | |
2d764c78 | 406 | if (!FRAME_X_P (f) || FRAME_X_DISPLAY_INFO (f) != dpyinfo) |
5fbc3f3a | 407 | continue; |
7556890b | 408 | x = f->output_data.x; |
5fbc3f3a | 409 | /* This frame matches if the window is any of its widgets. */ |
17cbbf95 GM |
410 | if (x->busy_window == wdesc) |
411 | return f; | |
412 | else if (x->widget) | |
333b20bb GM |
413 | { |
414 | if (wdesc == XtWindow (x->widget) | |
415 | || wdesc == XtWindow (x->column_widget) | |
416 | || wdesc == XtWindow (x->edit_widget)) | |
417 | return f; | |
418 | } | |
419 | else if (FRAME_X_WINDOW (f) == wdesc) | |
420 | /* A tooltip frame. */ | |
5fbc3f3a KH |
421 | return f; |
422 | } | |
423 | return 0; | |
424 | } | |
425 | ||
fd3a3022 RS |
426 | /* Likewise, but consider only the menu bar widget. */ |
427 | ||
428 | struct frame * | |
429 | x_menubar_window_to_frame (dpyinfo, wdesc) | |
430 | struct x_display_info *dpyinfo; | |
431 | int wdesc; | |
432 | { | |
433 | Lisp_Object tail, frame; | |
434 | struct frame *f; | |
7556890b | 435 | struct x_output *x; |
fd3a3022 | 436 | |
8e713be6 | 437 | for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail)) |
fd3a3022 | 438 | { |
8e713be6 | 439 | frame = XCAR (tail); |
fd3a3022 RS |
440 | if (!GC_FRAMEP (frame)) |
441 | continue; | |
442 | f = XFRAME (frame); | |
2d764c78 | 443 | if (!FRAME_X_P (f) || FRAME_X_DISPLAY_INFO (f) != dpyinfo) |
fd3a3022 | 444 | continue; |
7556890b | 445 | x = f->output_data.x; |
fd3a3022 | 446 | /* Match if the window is this frame's menubar. */ |
333b20bb GM |
447 | if (x->menubar_widget |
448 | && lw_window_is_in_menubar (wdesc, x->menubar_widget)) | |
fd3a3022 RS |
449 | return f; |
450 | } | |
451 | return 0; | |
452 | } | |
453 | ||
5e65b9ab RS |
454 | /* Return the frame whose principal (outermost) window is WDESC. |
455 | If WDESC is some other (smaller) window, we return 0. */ | |
456 | ||
457 | struct frame * | |
2d271e2e KH |
458 | x_top_window_to_frame (dpyinfo, wdesc) |
459 | struct x_display_info *dpyinfo; | |
5e65b9ab RS |
460 | int wdesc; |
461 | { | |
462 | Lisp_Object tail, frame; | |
463 | struct frame *f; | |
7556890b | 464 | struct x_output *x; |
5e65b9ab | 465 | |
8e713be6 | 466 | for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail)) |
5e65b9ab | 467 | { |
8e713be6 | 468 | frame = XCAR (tail); |
34ca5317 | 469 | if (!GC_FRAMEP (frame)) |
5e65b9ab RS |
470 | continue; |
471 | f = XFRAME (frame); | |
2d764c78 | 472 | if (!FRAME_X_P (f) || FRAME_X_DISPLAY_INFO (f) != dpyinfo) |
2d271e2e | 473 | continue; |
7556890b | 474 | x = f->output_data.x; |
333b20bb GM |
475 | |
476 | if (x->widget) | |
477 | { | |
478 | /* This frame matches if the window is its topmost widget. */ | |
479 | if (wdesc == XtWindow (x->widget)) | |
480 | return f; | |
7a994728 KH |
481 | #if 0 /* I don't know why it did this, |
482 | but it seems logically wrong, | |
483 | and it causes trouble for MapNotify events. */ | |
333b20bb GM |
484 | /* Match if the window is this frame's menubar. */ |
485 | if (x->menubar_widget | |
486 | && wdesc == XtWindow (x->menubar_widget)) | |
487 | return f; | |
7a994728 | 488 | #endif |
333b20bb GM |
489 | } |
490 | else if (FRAME_X_WINDOW (f) == wdesc) | |
491 | /* Tooltip frame. */ | |
492 | return f; | |
5e65b9ab RS |
493 | } |
494 | return 0; | |
495 | } | |
9ef48a9d | 496 | #endif /* USE_X_TOOLKIT */ |
01f1ba30 | 497 | |
01f1ba30 | 498 | \f |
203c1d73 RS |
499 | |
500 | /* Code to deal with bitmaps. Bitmaps are referenced by their bitmap | |
501 | id, which is just an int that this section returns. Bitmaps are | |
502 | reference counted so they can be shared among frames. | |
503 | ||
504 | Bitmap indices are guaranteed to be > 0, so a negative number can | |
505 | be used to indicate no bitmap. | |
506 | ||
507 | If you use x_create_bitmap_from_data, then you must keep track of | |
508 | the bitmaps yourself. That is, creating a bitmap from the same | |
b9dc4443 | 509 | data more than once will not be caught. */ |
203c1d73 RS |
510 | |
511 | ||
f1c7b5a6 RS |
512 | /* Functions to access the contents of a bitmap, given an id. */ |
513 | ||
514 | int | |
515 | x_bitmap_height (f, id) | |
516 | FRAME_PTR f; | |
517 | int id; | |
518 | { | |
08a90d6a | 519 | return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].height; |
f1c7b5a6 RS |
520 | } |
521 | ||
522 | int | |
523 | x_bitmap_width (f, id) | |
524 | FRAME_PTR f; | |
525 | int id; | |
526 | { | |
08a90d6a | 527 | return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].width; |
f1c7b5a6 RS |
528 | } |
529 | ||
530 | int | |
531 | x_bitmap_pixmap (f, id) | |
532 | FRAME_PTR f; | |
533 | int id; | |
534 | { | |
08a90d6a | 535 | return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].pixmap; |
f1c7b5a6 RS |
536 | } |
537 | ||
538 | ||
203c1d73 RS |
539 | /* Allocate a new bitmap record. Returns index of new record. */ |
540 | ||
541 | static int | |
08a90d6a RS |
542 | x_allocate_bitmap_record (f) |
543 | FRAME_PTR f; | |
203c1d73 | 544 | { |
08a90d6a RS |
545 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
546 | int i; | |
547 | ||
548 | if (dpyinfo->bitmaps == NULL) | |
203c1d73 | 549 | { |
08a90d6a RS |
550 | dpyinfo->bitmaps_size = 10; |
551 | dpyinfo->bitmaps | |
552 | = (struct x_bitmap_record *) xmalloc (dpyinfo->bitmaps_size * sizeof (struct x_bitmap_record)); | |
553 | dpyinfo->bitmaps_last = 1; | |
203c1d73 RS |
554 | return 1; |
555 | } | |
556 | ||
08a90d6a RS |
557 | if (dpyinfo->bitmaps_last < dpyinfo->bitmaps_size) |
558 | return ++dpyinfo->bitmaps_last; | |
203c1d73 | 559 | |
08a90d6a RS |
560 | for (i = 0; i < dpyinfo->bitmaps_size; ++i) |
561 | if (dpyinfo->bitmaps[i].refcount == 0) | |
562 | return i + 1; | |
203c1d73 | 563 | |
08a90d6a RS |
564 | dpyinfo->bitmaps_size *= 2; |
565 | dpyinfo->bitmaps | |
566 | = (struct x_bitmap_record *) xrealloc (dpyinfo->bitmaps, | |
567 | dpyinfo->bitmaps_size * sizeof (struct x_bitmap_record)); | |
568 | return ++dpyinfo->bitmaps_last; | |
203c1d73 RS |
569 | } |
570 | ||
571 | /* Add one reference to the reference count of the bitmap with id ID. */ | |
572 | ||
573 | void | |
f1c7b5a6 RS |
574 | x_reference_bitmap (f, id) |
575 | FRAME_PTR f; | |
203c1d73 RS |
576 | int id; |
577 | { | |
08a90d6a | 578 | ++FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].refcount; |
203c1d73 RS |
579 | } |
580 | ||
581 | /* Create a bitmap for frame F from a HEIGHT x WIDTH array of bits at BITS. */ | |
582 | ||
583 | int | |
584 | x_create_bitmap_from_data (f, bits, width, height) | |
585 | struct frame *f; | |
586 | char *bits; | |
587 | unsigned int width, height; | |
588 | { | |
08a90d6a | 589 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
203c1d73 RS |
590 | Pixmap bitmap; |
591 | int id; | |
592 | ||
b9dc4443 | 593 | bitmap = XCreateBitmapFromData (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
203c1d73 RS |
594 | bits, width, height); |
595 | ||
596 | if (! bitmap) | |
597 | return -1; | |
598 | ||
08a90d6a RS |
599 | id = x_allocate_bitmap_record (f); |
600 | dpyinfo->bitmaps[id - 1].pixmap = bitmap; | |
601 | dpyinfo->bitmaps[id - 1].file = NULL; | |
602 | dpyinfo->bitmaps[id - 1].refcount = 1; | |
603 | dpyinfo->bitmaps[id - 1].depth = 1; | |
604 | dpyinfo->bitmaps[id - 1].height = height; | |
605 | dpyinfo->bitmaps[id - 1].width = width; | |
203c1d73 RS |
606 | |
607 | return id; | |
608 | } | |
609 | ||
610 | /* Create bitmap from file FILE for frame F. */ | |
611 | ||
612 | int | |
613 | x_create_bitmap_from_file (f, file) | |
614 | struct frame *f; | |
f1c7b5a6 | 615 | Lisp_Object file; |
203c1d73 | 616 | { |
08a90d6a | 617 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
203c1d73 RS |
618 | unsigned int width, height; |
619 | Pixmap bitmap; | |
620 | int xhot, yhot, result, id; | |
f1c7b5a6 RS |
621 | Lisp_Object found; |
622 | int fd; | |
623 | char *filename; | |
203c1d73 RS |
624 | |
625 | /* Look for an existing bitmap with the same name. */ | |
08a90d6a | 626 | for (id = 0; id < dpyinfo->bitmaps_last; ++id) |
203c1d73 | 627 | { |
08a90d6a RS |
628 | if (dpyinfo->bitmaps[id].refcount |
629 | && dpyinfo->bitmaps[id].file | |
630 | && !strcmp (dpyinfo->bitmaps[id].file, (char *) XSTRING (file)->data)) | |
203c1d73 | 631 | { |
08a90d6a | 632 | ++dpyinfo->bitmaps[id].refcount; |
203c1d73 RS |
633 | return id + 1; |
634 | } | |
635 | } | |
636 | ||
f1c7b5a6 RS |
637 | /* Search bitmap-file-path for the file, if appropriate. */ |
638 | fd = openp (Vx_bitmap_file_path, file, "", &found, 0); | |
639 | if (fd < 0) | |
640 | return -1; | |
68c45bf0 | 641 | emacs_close (fd); |
f1c7b5a6 RS |
642 | |
643 | filename = (char *) XSTRING (found)->data; | |
644 | ||
b9dc4443 | 645 | result = XReadBitmapFile (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
f1c7b5a6 | 646 | filename, &width, &height, &bitmap, &xhot, &yhot); |
203c1d73 RS |
647 | if (result != BitmapSuccess) |
648 | return -1; | |
649 | ||
08a90d6a RS |
650 | id = x_allocate_bitmap_record (f); |
651 | dpyinfo->bitmaps[id - 1].pixmap = bitmap; | |
652 | dpyinfo->bitmaps[id - 1].refcount = 1; | |
9f2a85b2 | 653 | dpyinfo->bitmaps[id - 1].file |
fc932ac6 | 654 | = (char *) xmalloc (STRING_BYTES (XSTRING (file)) + 1); |
08a90d6a RS |
655 | dpyinfo->bitmaps[id - 1].depth = 1; |
656 | dpyinfo->bitmaps[id - 1].height = height; | |
657 | dpyinfo->bitmaps[id - 1].width = width; | |
658 | strcpy (dpyinfo->bitmaps[id - 1].file, XSTRING (file)->data); | |
203c1d73 RS |
659 | |
660 | return id; | |
661 | } | |
662 | ||
663 | /* Remove reference to bitmap with id number ID. */ | |
664 | ||
968b1234 | 665 | void |
f1c7b5a6 RS |
666 | x_destroy_bitmap (f, id) |
667 | FRAME_PTR f; | |
203c1d73 RS |
668 | int id; |
669 | { | |
08a90d6a RS |
670 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
671 | ||
203c1d73 RS |
672 | if (id > 0) |
673 | { | |
08a90d6a RS |
674 | --dpyinfo->bitmaps[id - 1].refcount; |
675 | if (dpyinfo->bitmaps[id - 1].refcount == 0) | |
203c1d73 | 676 | { |
ed662bdd | 677 | BLOCK_INPUT; |
08a90d6a RS |
678 | XFreePixmap (FRAME_X_DISPLAY (f), dpyinfo->bitmaps[id - 1].pixmap); |
679 | if (dpyinfo->bitmaps[id - 1].file) | |
203c1d73 | 680 | { |
333b20bb | 681 | xfree (dpyinfo->bitmaps[id - 1].file); |
08a90d6a | 682 | dpyinfo->bitmaps[id - 1].file = NULL; |
203c1d73 | 683 | } |
ed662bdd | 684 | UNBLOCK_INPUT; |
203c1d73 RS |
685 | } |
686 | } | |
687 | } | |
688 | ||
08a90d6a | 689 | /* Free all the bitmaps for the display specified by DPYINFO. */ |
203c1d73 | 690 | |
08a90d6a RS |
691 | static void |
692 | x_destroy_all_bitmaps (dpyinfo) | |
693 | struct x_display_info *dpyinfo; | |
203c1d73 | 694 | { |
08a90d6a RS |
695 | int i; |
696 | for (i = 0; i < dpyinfo->bitmaps_last; i++) | |
697 | if (dpyinfo->bitmaps[i].refcount > 0) | |
698 | { | |
699 | XFreePixmap (dpyinfo->display, dpyinfo->bitmaps[i].pixmap); | |
700 | if (dpyinfo->bitmaps[i].file) | |
333b20bb | 701 | xfree (dpyinfo->bitmaps[i].file); |
08a90d6a RS |
702 | } |
703 | dpyinfo->bitmaps_last = 0; | |
203c1d73 RS |
704 | } |
705 | \f | |
f676886a | 706 | /* Connect the frame-parameter names for X frames |
01f1ba30 JB |
707 | to the ways of passing the parameter values to the window system. |
708 | ||
709 | The name of a parameter, as a Lisp symbol, | |
f676886a | 710 | has an `x-frame-parameter' property which is an integer in Lisp |
9fb026ab | 711 | that is an index in this table. */ |
01f1ba30 | 712 | |
f676886a | 713 | struct x_frame_parm_table |
01f1ba30 JB |
714 | { |
715 | char *name; | |
d62c8769 | 716 | void (*setter) P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
01f1ba30 JB |
717 | }; |
718 | ||
eaf1eea9 GM |
719 | static Lisp_Object unwind_create_frame P_ ((Lisp_Object)); |
720 | static Lisp_Object unwind_create_tip_frame P_ ((Lisp_Object)); | |
52de7ce9 | 721 | static void x_change_window_heights P_ ((Lisp_Object, int)); |
14819cb3 | 722 | static void x_disable_image P_ ((struct frame *, struct image *)); |
86779fac | 723 | static void x_create_im P_ ((struct frame *)); |
d62c8769 | 724 | void x_set_foreground_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
563b67aa | 725 | static void x_set_line_spacing P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
d62c8769 GM |
726 | void x_set_background_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
727 | void x_set_mouse_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
728 | void x_set_cursor_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
729 | void x_set_border_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
730 | void x_set_cursor_type P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
731 | void x_set_icon_type P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
732 | void x_set_icon_name P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
733 | void x_set_font P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
734 | void x_set_border_width P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
735 | void x_set_internal_border_width P_ ((struct frame *, Lisp_Object, | |
736 | Lisp_Object)); | |
737 | void x_explicitly_set_name P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
738 | void x_set_autoraise P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
739 | void x_set_autolower P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
740 | void x_set_vertical_scroll_bars P_ ((struct frame *, Lisp_Object, | |
741 | Lisp_Object)); | |
742 | void x_set_visibility P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
743 | void x_set_menu_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
744 | void x_set_scroll_bar_width P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
745 | void x_set_title P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
746 | void x_set_unsplittable P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
9ea173e8 | 747 | void x_set_tool_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
333b20bb GM |
748 | void x_set_scroll_bar_foreground P_ ((struct frame *, Lisp_Object, |
749 | Lisp_Object)); | |
750 | void x_set_scroll_bar_background P_ ((struct frame *, Lisp_Object, | |
751 | Lisp_Object)); | |
752 | static Lisp_Object x_default_scroll_bar_color_parameter P_ ((struct frame *, | |
753 | Lisp_Object, | |
754 | Lisp_Object, | |
755 | char *, char *, | |
756 | int)); | |
d62c8769 | 757 | static void x_set_screen_gamma P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
4a8e312c GM |
758 | static void x_edge_detection P_ ((struct frame *, struct image *, Lisp_Object, |
759 | Lisp_Object)); | |
b243755a GM |
760 | static void init_color_table P_ ((void)); |
761 | static void free_color_table P_ ((void)); | |
762 | static unsigned long *colors_in_color_table P_ ((int *n)); | |
763 | static unsigned long lookup_rgb_color P_ ((struct frame *f, int r, int g, int b)); | |
764 | static unsigned long lookup_pixel_color P_ ((struct frame *f, unsigned long p)); | |
765 | ||
766 | ||
01f1ba30 | 767 | |
f676886a | 768 | static struct x_frame_parm_table x_frame_parms[] = |
01f1ba30 | 769 | { |
563b67aa GM |
770 | "auto-raise", x_set_autoraise, |
771 | "auto-lower", x_set_autolower, | |
772 | "background-color", x_set_background_color, | |
773 | "border-color", x_set_border_color, | |
774 | "border-width", x_set_border_width, | |
775 | "cursor-color", x_set_cursor_color, | |
776 | "cursor-type", x_set_cursor_type, | |
777 | "font", x_set_font, | |
778 | "foreground-color", x_set_foreground_color, | |
779 | "icon-name", x_set_icon_name, | |
780 | "icon-type", x_set_icon_type, | |
781 | "internal-border-width", x_set_internal_border_width, | |
782 | "menu-bar-lines", x_set_menu_bar_lines, | |
783 | "mouse-color", x_set_mouse_color, | |
784 | "name", x_explicitly_set_name, | |
785 | "scroll-bar-width", x_set_scroll_bar_width, | |
786 | "title", x_set_title, | |
787 | "unsplittable", x_set_unsplittable, | |
788 | "vertical-scroll-bars", x_set_vertical_scroll_bars, | |
789 | "visibility", x_set_visibility, | |
790 | "tool-bar-lines", x_set_tool_bar_lines, | |
791 | "scroll-bar-foreground", x_set_scroll_bar_foreground, | |
792 | "scroll-bar-background", x_set_scroll_bar_background, | |
793 | "screen-gamma", x_set_screen_gamma, | |
794 | "line-spacing", x_set_line_spacing | |
01f1ba30 JB |
795 | }; |
796 | ||
f676886a | 797 | /* Attach the `x-frame-parameter' properties to |
01f1ba30 JB |
798 | the Lisp symbol names of parameters relevant to X. */ |
799 | ||
201d8c78 | 800 | void |
01f1ba30 JB |
801 | init_x_parm_symbols () |
802 | { | |
803 | int i; | |
804 | ||
d043f1a4 | 805 | for (i = 0; i < sizeof (x_frame_parms) / sizeof (x_frame_parms[0]); i++) |
f676886a | 806 | Fput (intern (x_frame_parms[i].name), Qx_frame_parameter, |
01f1ba30 JB |
807 | make_number (i)); |
808 | } | |
809 | \f | |
e8cc313b | 810 | /* Change the parameters of frame F as specified by ALIST. |
64362cd4 GM |
811 | If a parameter is not specially recognized, do nothing special; |
812 | otherwise call the `x_set_...' function for that parameter. | |
813 | Except for certain geometry properties, always call store_frame_param | |
814 | to store the new value in the parameter alist. */ | |
d043f1a4 | 815 | |
f9942c9e JB |
816 | void |
817 | x_set_frame_parameters (f, alist) | |
818 | FRAME_PTR f; | |
819 | Lisp_Object alist; | |
820 | { | |
821 | Lisp_Object tail; | |
822 | ||
823 | /* If both of these parameters are present, it's more efficient to | |
824 | set them both at once. So we wait until we've looked at the | |
825 | entire list before we set them. */ | |
e4f79258 | 826 | int width, height; |
f9942c9e JB |
827 | |
828 | /* Same here. */ | |
829 | Lisp_Object left, top; | |
f9942c9e | 830 | |
a59e4f3d RS |
831 | /* Same with these. */ |
832 | Lisp_Object icon_left, icon_top; | |
833 | ||
f5e70acd RS |
834 | /* Record in these vectors all the parms specified. */ |
835 | Lisp_Object *parms; | |
836 | Lisp_Object *values; | |
a797a73d | 837 | int i, p; |
e1d962d7 | 838 | int left_no_change = 0, top_no_change = 0; |
a59e4f3d | 839 | int icon_left_no_change = 0, icon_top_no_change = 0; |
203c1d73 | 840 | |
7589a1d9 RS |
841 | struct gcpro gcpro1, gcpro2; |
842 | ||
f5e70acd RS |
843 | i = 0; |
844 | for (tail = alist; CONSP (tail); tail = Fcdr (tail)) | |
845 | i++; | |
846 | ||
847 | parms = (Lisp_Object *) alloca (i * sizeof (Lisp_Object)); | |
848 | values = (Lisp_Object *) alloca (i * sizeof (Lisp_Object)); | |
f9942c9e | 849 | |
f5e70acd RS |
850 | /* Extract parm names and values into those vectors. */ |
851 | ||
852 | i = 0; | |
f9942c9e JB |
853 | for (tail = alist; CONSP (tail); tail = Fcdr (tail)) |
854 | { | |
333b20bb | 855 | Lisp_Object elt; |
f9942c9e JB |
856 | |
857 | elt = Fcar (tail); | |
f5e70acd RS |
858 | parms[i] = Fcar (elt); |
859 | values[i] = Fcdr (elt); | |
860 | i++; | |
861 | } | |
7589a1d9 RS |
862 | /* TAIL and ALIST are not used again below here. */ |
863 | alist = tail = Qnil; | |
864 | ||
865 | GCPRO2 (*parms, *values); | |
866 | gcpro1.nvars = i; | |
867 | gcpro2.nvars = i; | |
f5e70acd | 868 | |
7589a1d9 RS |
869 | /* There is no need to gcpro LEFT, TOP, ICON_LEFT, or ICON_TOP, |
870 | because their values appear in VALUES and strings are not valid. */ | |
e4f79258 | 871 | top = left = Qunbound; |
a59e4f3d | 872 | icon_left = icon_top = Qunbound; |
f9942c9e | 873 | |
e4f79258 RS |
874 | /* Provide default values for HEIGHT and WIDTH. */ |
875 | if (FRAME_NEW_WIDTH (f)) | |
876 | width = FRAME_NEW_WIDTH (f); | |
877 | else | |
878 | width = FRAME_WIDTH (f); | |
879 | ||
880 | if (FRAME_NEW_HEIGHT (f)) | |
881 | height = FRAME_NEW_HEIGHT (f); | |
882 | else | |
883 | height = FRAME_HEIGHT (f); | |
884 | ||
a797a73d GV |
885 | /* Process foreground_color and background_color before anything else. |
886 | They are independent of other properties, but other properties (e.g., | |
887 | cursor_color) are dependent upon them. */ | |
888 | for (p = 0; p < i; p++) | |
889 | { | |
890 | Lisp_Object prop, val; | |
891 | ||
892 | prop = parms[p]; | |
893 | val = values[p]; | |
894 | if (EQ (prop, Qforeground_color) || EQ (prop, Qbackground_color)) | |
895 | { | |
896 | register Lisp_Object param_index, old_value; | |
897 | ||
898 | param_index = Fget (prop, Qx_frame_parameter); | |
899 | old_value = get_frame_param (f, prop); | |
900 | store_frame_param (f, prop, val); | |
901 | if (NATNUMP (param_index) | |
902 | && (XFASTINT (param_index) | |
903 | < sizeof (x_frame_parms)/sizeof (x_frame_parms[0]))) | |
904 | (*x_frame_parms[XINT (param_index)].setter)(f, val, old_value); | |
905 | } | |
906 | } | |
907 | ||
f5e70acd RS |
908 | /* Now process them in reverse of specified order. */ |
909 | for (i--; i >= 0; i--) | |
910 | { | |
911 | Lisp_Object prop, val; | |
912 | ||
913 | prop = parms[i]; | |
914 | val = values[i]; | |
915 | ||
e4f79258 RS |
916 | if (EQ (prop, Qwidth) && NUMBERP (val)) |
917 | width = XFASTINT (val); | |
918 | else if (EQ (prop, Qheight) && NUMBERP (val)) | |
919 | height = XFASTINT (val); | |
f5e70acd | 920 | else if (EQ (prop, Qtop)) |
f9942c9e | 921 | top = val; |
f5e70acd | 922 | else if (EQ (prop, Qleft)) |
f9942c9e | 923 | left = val; |
a59e4f3d RS |
924 | else if (EQ (prop, Qicon_top)) |
925 | icon_top = val; | |
926 | else if (EQ (prop, Qicon_left)) | |
927 | icon_left = val; | |
a797a73d GV |
928 | else if (EQ (prop, Qforeground_color) || EQ (prop, Qbackground_color)) |
929 | /* Processed above. */ | |
930 | continue; | |
f9942c9e JB |
931 | else |
932 | { | |
98381190 | 933 | register Lisp_Object param_index, old_value; |
ea96210c | 934 | |
98381190 KH |
935 | param_index = Fget (prop, Qx_frame_parameter); |
936 | old_value = get_frame_param (f, prop); | |
f9942c9e | 937 | store_frame_param (f, prop, val); |
40c03e12 KH |
938 | if (NATNUMP (param_index) |
939 | && (XFASTINT (param_index) | |
ea96210c JB |
940 | < sizeof (x_frame_parms)/sizeof (x_frame_parms[0]))) |
941 | (*x_frame_parms[XINT (param_index)].setter)(f, val, old_value); | |
f9942c9e JB |
942 | } |
943 | } | |
944 | ||
11378c41 RS |
945 | /* Don't die if just one of these was set. */ |
946 | if (EQ (left, Qunbound)) | |
e1d962d7 RS |
947 | { |
948 | left_no_change = 1; | |
7556890b RS |
949 | if (f->output_data.x->left_pos < 0) |
950 | left = Fcons (Qplus, Fcons (make_number (f->output_data.x->left_pos), Qnil)); | |
e1d962d7 | 951 | else |
7556890b | 952 | XSETINT (left, f->output_data.x->left_pos); |
e1d962d7 | 953 | } |
11378c41 | 954 | if (EQ (top, Qunbound)) |
e1d962d7 RS |
955 | { |
956 | top_no_change = 1; | |
7556890b RS |
957 | if (f->output_data.x->top_pos < 0) |
958 | top = Fcons (Qplus, Fcons (make_number (f->output_data.x->top_pos), Qnil)); | |
e1d962d7 | 959 | else |
7556890b | 960 | XSETINT (top, f->output_data.x->top_pos); |
e1d962d7 | 961 | } |
11378c41 | 962 | |
a59e4f3d RS |
963 | /* If one of the icon positions was not set, preserve or default it. */ |
964 | if (EQ (icon_left, Qunbound) || ! INTEGERP (icon_left)) | |
965 | { | |
966 | icon_left_no_change = 1; | |
967 | icon_left = Fcdr (Fassq (Qicon_left, f->param_alist)); | |
968 | if (NILP (icon_left)) | |
969 | XSETINT (icon_left, 0); | |
970 | } | |
971 | if (EQ (icon_top, Qunbound) || ! INTEGERP (icon_top)) | |
972 | { | |
973 | icon_top_no_change = 1; | |
974 | icon_top = Fcdr (Fassq (Qicon_top, f->param_alist)); | |
975 | if (NILP (icon_top)) | |
976 | XSETINT (icon_top, 0); | |
977 | } | |
978 | ||
499ea23b | 979 | /* Don't set these parameters unless they've been explicitly |
d387c960 JB |
980 | specified. The window might be mapped or resized while we're in |
981 | this function, and we don't want to override that unless the lisp | |
982 | code has asked for it. | |
983 | ||
984 | Don't set these parameters unless they actually differ from the | |
985 | window's current parameters; the window may not actually exist | |
986 | yet. */ | |
f9942c9e JB |
987 | { |
988 | Lisp_Object frame; | |
989 | ||
1f11a5ca RS |
990 | check_frame_size (f, &height, &width); |
991 | ||
191ed777 | 992 | XSETFRAME (frame, f); |
11378c41 | 993 | |
e4f79258 RS |
994 | if (width != FRAME_WIDTH (f) |
995 | || height != FRAME_HEIGHT (f) | |
d6f80ae9 | 996 | || FRAME_NEW_HEIGHT (f) || FRAME_NEW_WIDTH (f)) |
e4f79258 | 997 | Fset_frame_size (frame, make_number (width), make_number (height)); |
f10f0b79 RS |
998 | |
999 | if ((!NILP (left) || !NILP (top)) | |
e1d962d7 | 1000 | && ! (left_no_change && top_no_change) |
7556890b RS |
1001 | && ! (NUMBERP (left) && XINT (left) == f->output_data.x->left_pos |
1002 | && NUMBERP (top) && XINT (top) == f->output_data.x->top_pos)) | |
f10f0b79 | 1003 | { |
e1d962d7 RS |
1004 | int leftpos = 0; |
1005 | int toppos = 0; | |
f10f0b79 RS |
1006 | |
1007 | /* Record the signs. */ | |
7556890b | 1008 | f->output_data.x->size_hint_flags &= ~ (XNegative | YNegative); |
e1d962d7 | 1009 | if (EQ (left, Qminus)) |
7556890b | 1010 | f->output_data.x->size_hint_flags |= XNegative; |
e1d962d7 RS |
1011 | else if (INTEGERP (left)) |
1012 | { | |
1013 | leftpos = XINT (left); | |
1014 | if (leftpos < 0) | |
7556890b | 1015 | f->output_data.x->size_hint_flags |= XNegative; |
e1d962d7 | 1016 | } |
8e713be6 KR |
1017 | else if (CONSP (left) && EQ (XCAR (left), Qminus) |
1018 | && CONSP (XCDR (left)) | |
1019 | && INTEGERP (XCAR (XCDR (left)))) | |
e1d962d7 | 1020 | { |
8e713be6 | 1021 | leftpos = - XINT (XCAR (XCDR (left))); |
7556890b | 1022 | f->output_data.x->size_hint_flags |= XNegative; |
e1d962d7 | 1023 | } |
8e713be6 KR |
1024 | else if (CONSP (left) && EQ (XCAR (left), Qplus) |
1025 | && CONSP (XCDR (left)) | |
1026 | && INTEGERP (XCAR (XCDR (left)))) | |
e1d962d7 | 1027 | { |
8e713be6 | 1028 | leftpos = XINT (XCAR (XCDR (left))); |
e1d962d7 RS |
1029 | } |
1030 | ||
1031 | if (EQ (top, Qminus)) | |
7556890b | 1032 | f->output_data.x->size_hint_flags |= YNegative; |
e1d962d7 RS |
1033 | else if (INTEGERP (top)) |
1034 | { | |
1035 | toppos = XINT (top); | |
1036 | if (toppos < 0) | |
7556890b | 1037 | f->output_data.x->size_hint_flags |= YNegative; |
e1d962d7 | 1038 | } |
8e713be6 KR |
1039 | else if (CONSP (top) && EQ (XCAR (top), Qminus) |
1040 | && CONSP (XCDR (top)) | |
1041 | && INTEGERP (XCAR (XCDR (top)))) | |
e1d962d7 | 1042 | { |
8e713be6 | 1043 | toppos = - XINT (XCAR (XCDR (top))); |
7556890b | 1044 | f->output_data.x->size_hint_flags |= YNegative; |
e1d962d7 | 1045 | } |
8e713be6 KR |
1046 | else if (CONSP (top) && EQ (XCAR (top), Qplus) |
1047 | && CONSP (XCDR (top)) | |
1048 | && INTEGERP (XCAR (XCDR (top)))) | |
e1d962d7 | 1049 | { |
8e713be6 | 1050 | toppos = XINT (XCAR (XCDR (top))); |
e1d962d7 RS |
1051 | } |
1052 | ||
1053 | ||
1054 | /* Store the numeric value of the position. */ | |
7556890b RS |
1055 | f->output_data.x->top_pos = toppos; |
1056 | f->output_data.x->left_pos = leftpos; | |
e1d962d7 | 1057 | |
7556890b | 1058 | f->output_data.x->win_gravity = NorthWestGravity; |
f10f0b79 RS |
1059 | |
1060 | /* Actually set that position, and convert to absolute. */ | |
f0e72e79 | 1061 | x_set_offset (f, leftpos, toppos, -1); |
f10f0b79 | 1062 | } |
a59e4f3d RS |
1063 | |
1064 | if ((!NILP (icon_left) || !NILP (icon_top)) | |
1065 | && ! (icon_left_no_change && icon_top_no_change)) | |
1066 | x_wm_set_icon_position (f, XINT (icon_left), XINT (icon_top)); | |
f9942c9e | 1067 | } |
7589a1d9 RS |
1068 | |
1069 | UNGCPRO; | |
f9942c9e | 1070 | } |
01f1ba30 | 1071 | |
08a90d6a | 1072 | /* Store the screen positions of frame F into XPTR and YPTR. |
e9445337 RS |
1073 | These are the positions of the containing window manager window, |
1074 | not Emacs's own window. */ | |
1075 | ||
1076 | void | |
1077 | x_real_positions (f, xptr, yptr) | |
1078 | FRAME_PTR f; | |
1079 | int *xptr, *yptr; | |
1080 | { | |
08a90d6a | 1081 | int win_x, win_y; |
e9445337 RS |
1082 | Window child; |
1083 | ||
043835a3 RS |
1084 | /* This is pretty gross, but seems to be the easiest way out of |
1085 | the problem that arises when restarting window-managers. */ | |
1086 | ||
1087 | #ifdef USE_X_TOOLKIT | |
333b20bb GM |
1088 | Window outer = (f->output_data.x->widget |
1089 | ? XtWindow (f->output_data.x->widget) | |
1090 | : FRAME_X_WINDOW (f)); | |
043835a3 | 1091 | #else |
7556890b | 1092 | Window outer = f->output_data.x->window_desc; |
043835a3 RS |
1093 | #endif |
1094 | Window tmp_root_window; | |
1095 | Window *tmp_children; | |
4848ef23 | 1096 | unsigned int tmp_nchildren; |
043835a3 | 1097 | |
08a90d6a | 1098 | while (1) |
e9445337 | 1099 | { |
1dc6cfa6 | 1100 | int count = x_catch_errors (FRAME_X_DISPLAY (f)); |
8a07bba0 | 1101 | Window outer_window; |
ca7bac79 | 1102 | |
08a90d6a | 1103 | XQueryTree (FRAME_X_DISPLAY (f), outer, &tmp_root_window, |
7556890b | 1104 | &f->output_data.x->parent_desc, |
08a90d6a | 1105 | &tmp_children, &tmp_nchildren); |
72dc3bc7 | 1106 | XFree ((char *) tmp_children); |
08a90d6a RS |
1107 | |
1108 | win_x = win_y = 0; | |
1109 | ||
1110 | /* Find the position of the outside upper-left corner of | |
1111 | the inner window, with respect to the outer window. */ | |
7556890b | 1112 | if (f->output_data.x->parent_desc != FRAME_X_DISPLAY_INFO (f)->root_window) |
8a07bba0 RS |
1113 | outer_window = f->output_data.x->parent_desc; |
1114 | else | |
1115 | outer_window = outer; | |
08a90d6a | 1116 | |
8a07bba0 | 1117 | XTranslateCoordinates (FRAME_X_DISPLAY (f), |
e9445337 | 1118 | |
8a07bba0 RS |
1119 | /* From-window, to-window. */ |
1120 | outer_window, | |
1121 | FRAME_X_DISPLAY_INFO (f)->root_window, | |
e9445337 | 1122 | |
8a07bba0 RS |
1123 | /* From-position, to-position. */ |
1124 | 0, 0, &win_x, &win_y, | |
08a90d6a | 1125 | |
8a07bba0 RS |
1126 | /* Child of win. */ |
1127 | &child); | |
e9445337 | 1128 | |
08a90d6a RS |
1129 | /* It is possible for the window returned by the XQueryNotify |
1130 | to become invalid by the time we call XTranslateCoordinates. | |
1131 | That can happen when you restart some window managers. | |
1132 | If so, we get an error in XTranslateCoordinates. | |
1133 | Detect that and try the whole thing over. */ | |
c4ec904f | 1134 | if (! x_had_errors_p (FRAME_X_DISPLAY (f))) |
845e9d85 | 1135 | { |
1dc6cfa6 | 1136 | x_uncatch_errors (FRAME_X_DISPLAY (f), count); |
845e9d85 RS |
1137 | break; |
1138 | } | |
ca7bac79 | 1139 | |
1dc6cfa6 | 1140 | x_uncatch_errors (FRAME_X_DISPLAY (f), count); |
e9445337 | 1141 | } |
08a90d6a | 1142 | |
333b20bb GM |
1143 | *xptr = win_x; |
1144 | *yptr = win_y; | |
e9445337 RS |
1145 | } |
1146 | ||
f676886a | 1147 | /* Insert a description of internally-recorded parameters of frame X |
01f1ba30 JB |
1148 | into the parameter alist *ALISTPTR that is to be given to the user. |
1149 | Only parameters that are specific to the X window system | |
f676886a | 1150 | and whose values are not correctly recorded in the frame's |
01f1ba30 JB |
1151 | param_alist need to be considered here. */ |
1152 | ||
968b1234 | 1153 | void |
f676886a JB |
1154 | x_report_frame_params (f, alistptr) |
1155 | struct frame *f; | |
01f1ba30 JB |
1156 | Lisp_Object *alistptr; |
1157 | { | |
1158 | char buf[16]; | |
9b002b8d KH |
1159 | Lisp_Object tem; |
1160 | ||
1161 | /* Represent negative positions (off the top or left screen edge) | |
1162 | in a way that Fmodify_frame_parameters will understand correctly. */ | |
7556890b RS |
1163 | XSETINT (tem, f->output_data.x->left_pos); |
1164 | if (f->output_data.x->left_pos >= 0) | |
9b002b8d KH |
1165 | store_in_alist (alistptr, Qleft, tem); |
1166 | else | |
1167 | store_in_alist (alistptr, Qleft, Fcons (Qplus, Fcons (tem, Qnil))); | |
1168 | ||
7556890b RS |
1169 | XSETINT (tem, f->output_data.x->top_pos); |
1170 | if (f->output_data.x->top_pos >= 0) | |
9b002b8d KH |
1171 | store_in_alist (alistptr, Qtop, tem); |
1172 | else | |
1173 | store_in_alist (alistptr, Qtop, Fcons (Qplus, Fcons (tem, Qnil))); | |
01f1ba30 | 1174 | |
f9942c9e | 1175 | store_in_alist (alistptr, Qborder_width, |
7556890b | 1176 | make_number (f->output_data.x->border_width)); |
f9942c9e | 1177 | store_in_alist (alistptr, Qinternal_border_width, |
7556890b | 1178 | make_number (f->output_data.x->internal_border_width)); |
7c118b57 | 1179 | sprintf (buf, "%ld", (long) FRAME_X_WINDOW (f)); |
f9942c9e | 1180 | store_in_alist (alistptr, Qwindow_id, |
01f1ba30 | 1181 | build_string (buf)); |
333b20bb GM |
1182 | #ifdef USE_X_TOOLKIT |
1183 | /* Tooltip frame may not have this widget. */ | |
1184 | if (f->output_data.x->widget) | |
1185 | #endif | |
1186 | sprintf (buf, "%ld", (long) FRAME_OUTER_WINDOW (f)); | |
2cbebefb RS |
1187 | store_in_alist (alistptr, Qouter_window_id, |
1188 | build_string (buf)); | |
f468da95 | 1189 | store_in_alist (alistptr, Qicon_name, f->icon_name); |
a8ccd803 | 1190 | FRAME_SAMPLE_VISIBILITY (f); |
d043f1a4 RS |
1191 | store_in_alist (alistptr, Qvisibility, |
1192 | (FRAME_VISIBLE_P (f) ? Qt | |
1193 | : FRAME_ICONIFIED_P (f) ? Qicon : Qnil)); | |
34ae77b5 | 1194 | store_in_alist (alistptr, Qdisplay, |
8e713be6 | 1195 | XCAR (FRAME_X_DISPLAY_INFO (f)->name_list_element)); |
e4f79258 | 1196 | |
8c239ac3 RS |
1197 | if (f->output_data.x->parent_desc == FRAME_X_DISPLAY_INFO (f)->root_window) |
1198 | tem = Qnil; | |
1199 | else | |
1200 | XSETFASTINT (tem, f->output_data.x->parent_desc); | |
1201 | store_in_alist (alistptr, Qparent_id, tem); | |
01f1ba30 JB |
1202 | } |
1203 | \f | |
82978295 | 1204 | |
d62c8769 GM |
1205 | |
1206 | /* Gamma-correct COLOR on frame F. */ | |
1207 | ||
1208 | void | |
1209 | gamma_correct (f, color) | |
1210 | struct frame *f; | |
1211 | XColor *color; | |
1212 | { | |
1213 | if (f->gamma) | |
1214 | { | |
1215 | color->red = pow (color->red / 65535.0, f->gamma) * 65535.0 + 0.5; | |
1216 | color->green = pow (color->green / 65535.0, f->gamma) * 65535.0 + 0.5; | |
1217 | color->blue = pow (color->blue / 65535.0, f->gamma) * 65535.0 + 0.5; | |
1218 | } | |
1219 | } | |
1220 | ||
1221 | ||
7b746c38 GM |
1222 | /* Decide if color named COLOR_NAME is valid for use on frame F. If |
1223 | so, return the RGB values in COLOR. If ALLOC_P is non-zero, | |
1224 | allocate the color. Value is zero if COLOR_NAME is invalid, or | |
1225 | no color could be allocated. */ | |
e12d55b2 | 1226 | |
01f1ba30 | 1227 | int |
7b746c38 GM |
1228 | x_defined_color (f, color_name, color, alloc_p) |
1229 | struct frame *f; | |
1230 | char *color_name; | |
1231 | XColor *color; | |
1232 | int alloc_p; | |
01f1ba30 | 1233 | { |
7b746c38 GM |
1234 | int success_p; |
1235 | Display *dpy = FRAME_X_DISPLAY (f); | |
1236 | Colormap cmap = FRAME_X_COLORMAP (f); | |
01f1ba30 JB |
1237 | |
1238 | BLOCK_INPUT; | |
7b746c38 GM |
1239 | success_p = XParseColor (dpy, cmap, color_name, color); |
1240 | if (success_p && alloc_p) | |
1241 | success_p = x_alloc_nearest_color (f, cmap, color); | |
01f1ba30 JB |
1242 | UNBLOCK_INPUT; |
1243 | ||
7b746c38 | 1244 | return success_p; |
01f1ba30 JB |
1245 | } |
1246 | ||
9b2956e2 GM |
1247 | |
1248 | /* Return the pixel color value for color COLOR_NAME on frame F. If F | |
1249 | is a monochrome frame, return MONO_COLOR regardless of what ARG says. | |
1250 | Signal an error if color can't be allocated. */ | |
01f1ba30 JB |
1251 | |
1252 | int | |
9b2956e2 | 1253 | x_decode_color (f, color_name, mono_color) |
b9dc4443 | 1254 | FRAME_PTR f; |
9b2956e2 GM |
1255 | Lisp_Object color_name; |
1256 | int mono_color; | |
01f1ba30 | 1257 | { |
b9dc4443 | 1258 | XColor cdef; |
01f1ba30 | 1259 | |
9b2956e2 | 1260 | CHECK_STRING (color_name, 0); |
01f1ba30 | 1261 | |
9b2956e2 GM |
1262 | #if 0 /* Don't do this. It's wrong when we're not using the default |
1263 | colormap, it makes freeing difficult, and it's probably not | |
1264 | an important optimization. */ | |
1265 | if (strcmp (XSTRING (color_name)->data, "black") == 0) | |
b9dc4443 | 1266 | return BLACK_PIX_DEFAULT (f); |
9b2956e2 | 1267 | else if (strcmp (XSTRING (color_name)->data, "white") == 0) |
b9dc4443 | 1268 | return WHITE_PIX_DEFAULT (f); |
9b2956e2 | 1269 | #endif |
01f1ba30 | 1270 | |
9b2956e2 | 1271 | /* Return MONO_COLOR for monochrome frames. */ |
b9dc4443 | 1272 | if (FRAME_X_DISPLAY_INFO (f)->n_planes == 1) |
9b2956e2 | 1273 | return mono_color; |
01f1ba30 | 1274 | |
2d764c78 | 1275 | /* x_defined_color is responsible for coping with failures |
95626e11 | 1276 | by looking for a near-miss. */ |
9b2956e2 | 1277 | if (x_defined_color (f, XSTRING (color_name)->data, &cdef, 1)) |
95626e11 RS |
1278 | return cdef.pixel; |
1279 | ||
c301be26 GM |
1280 | Fsignal (Qerror, Fcons (build_string ("Undefined color"), |
1281 | Fcons (color_name, Qnil))); | |
1282 | return 0; | |
01f1ba30 | 1283 | } |
9b2956e2 GM |
1284 | |
1285 | ||
01f1ba30 | 1286 | \f |
563b67aa GM |
1287 | /* Change the `line-spacing' frame parameter of frame F. OLD_VALUE is |
1288 | the previous value of that parameter, NEW_VALUE is the new value. */ | |
1289 | ||
1290 | static void | |
1291 | x_set_line_spacing (f, new_value, old_value) | |
1292 | struct frame *f; | |
1293 | Lisp_Object new_value, old_value; | |
1294 | { | |
1295 | if (NILP (new_value)) | |
1296 | f->extra_line_spacing = 0; | |
1297 | else if (NATNUMP (new_value)) | |
1298 | f->extra_line_spacing = XFASTINT (new_value); | |
1299 | else | |
1a948b17 | 1300 | Fsignal (Qerror, Fcons (build_string ("Invalid line-spacing"), |
563b67aa GM |
1301 | Fcons (new_value, Qnil))); |
1302 | if (FRAME_VISIBLE_P (f)) | |
1303 | redraw_frame (f); | |
1304 | } | |
1305 | ||
1306 | ||
d62c8769 GM |
1307 | /* Change the `screen-gamma' frame parameter of frame F. OLD_VALUE is |
1308 | the previous value of that parameter, NEW_VALUE is the new value. */ | |
1309 | ||
1310 | static void | |
1311 | x_set_screen_gamma (f, new_value, old_value) | |
1312 | struct frame *f; | |
1313 | Lisp_Object new_value, old_value; | |
1314 | { | |
1315 | if (NILP (new_value)) | |
1316 | f->gamma = 0; | |
1317 | else if (NUMBERP (new_value) && XFLOATINT (new_value) > 0) | |
1318 | /* The value 0.4545 is the normal viewing gamma. */ | |
1319 | f->gamma = 1.0 / (0.4545 * XFLOATINT (new_value)); | |
1320 | else | |
1a948b17 | 1321 | Fsignal (Qerror, Fcons (build_string ("Invalid screen-gamma"), |
d62c8769 GM |
1322 | Fcons (new_value, Qnil))); |
1323 | ||
1324 | clear_face_cache (0); | |
1325 | } | |
1326 | ||
1327 | ||
f676886a | 1328 | /* Functions called only from `x_set_frame_param' |
01f1ba30 JB |
1329 | to set individual parameters. |
1330 | ||
fe24a618 | 1331 | If FRAME_X_WINDOW (f) is 0, |
f676886a | 1332 | the frame is being created and its X-window does not exist yet. |
01f1ba30 JB |
1333 | In that case, just record the parameter's new value |
1334 | in the standard place; do not attempt to change the window. */ | |
1335 | ||
1336 | void | |
f676886a JB |
1337 | x_set_foreground_color (f, arg, oldval) |
1338 | struct frame *f; | |
01f1ba30 JB |
1339 | Lisp_Object arg, oldval; |
1340 | { | |
bcf26b38 | 1341 | unsigned long pixel = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f)); |
a76206dc | 1342 | |
51a1d2d8 | 1343 | unload_color (f, f->output_data.x->foreground_pixel); |
a76206dc RS |
1344 | f->output_data.x->foreground_pixel = pixel; |
1345 | ||
fe24a618 | 1346 | if (FRAME_X_WINDOW (f) != 0) |
01f1ba30 | 1347 | { |
01f1ba30 | 1348 | BLOCK_INPUT; |
7556890b RS |
1349 | XSetForeground (FRAME_X_DISPLAY (f), f->output_data.x->normal_gc, |
1350 | f->output_data.x->foreground_pixel); | |
1351 | XSetBackground (FRAME_X_DISPLAY (f), f->output_data.x->reverse_gc, | |
1352 | f->output_data.x->foreground_pixel); | |
01f1ba30 | 1353 | UNBLOCK_INPUT; |
05c8abbe | 1354 | update_face_from_frame_parameter (f, Qforeground_color, arg); |
179956b9 | 1355 | if (FRAME_VISIBLE_P (f)) |
f676886a | 1356 | redraw_frame (f); |
01f1ba30 JB |
1357 | } |
1358 | } | |
1359 | ||
1360 | void | |
f676886a JB |
1361 | x_set_background_color (f, arg, oldval) |
1362 | struct frame *f; | |
01f1ba30 JB |
1363 | Lisp_Object arg, oldval; |
1364 | { | |
bcf26b38 | 1365 | unsigned long pixel = x_decode_color (f, arg, WHITE_PIX_DEFAULT (f)); |
01f1ba30 | 1366 | |
51a1d2d8 | 1367 | unload_color (f, f->output_data.x->background_pixel); |
a76206dc RS |
1368 | f->output_data.x->background_pixel = pixel; |
1369 | ||
fe24a618 | 1370 | if (FRAME_X_WINDOW (f) != 0) |
01f1ba30 JB |
1371 | { |
1372 | BLOCK_INPUT; | |
b9dc4443 | 1373 | /* The main frame area. */ |
7556890b RS |
1374 | XSetBackground (FRAME_X_DISPLAY (f), f->output_data.x->normal_gc, |
1375 | f->output_data.x->background_pixel); | |
1376 | XSetForeground (FRAME_X_DISPLAY (f), f->output_data.x->reverse_gc, | |
1377 | f->output_data.x->background_pixel); | |
1378 | XSetForeground (FRAME_X_DISPLAY (f), f->output_data.x->cursor_gc, | |
1379 | f->output_data.x->background_pixel); | |
b9dc4443 | 1380 | XSetWindowBackground (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 1381 | f->output_data.x->background_pixel); |
d8acee5f KH |
1382 | { |
1383 | Lisp_Object bar; | |
1384 | for (bar = FRAME_SCROLL_BARS (f); !NILP (bar); | |
1385 | bar = XSCROLL_BAR (bar)->next) | |
b9dc4443 | 1386 | XSetWindowBackground (FRAME_X_DISPLAY (f), |
d8acee5f | 1387 | SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), |
7556890b | 1388 | f->output_data.x->background_pixel); |
d8acee5f | 1389 | } |
01f1ba30 JB |
1390 | UNBLOCK_INPUT; |
1391 | ||
05c8abbe | 1392 | update_face_from_frame_parameter (f, Qbackground_color, arg); |
ea96210c | 1393 | |
179956b9 | 1394 | if (FRAME_VISIBLE_P (f)) |
f676886a | 1395 | redraw_frame (f); |
01f1ba30 JB |
1396 | } |
1397 | } | |
1398 | ||
1399 | void | |
f676886a JB |
1400 | x_set_mouse_color (f, arg, oldval) |
1401 | struct frame *f; | |
01f1ba30 JB |
1402 | Lisp_Object arg, oldval; |
1403 | { | |
95f80c78 | 1404 | Cursor cursor, nontext_cursor, mode_cursor, cross_cursor; |
8fb4ec9c | 1405 | Cursor busy_cursor, horizontal_drag_cursor; |
1dc6cfa6 | 1406 | int count; |
51a1d2d8 KH |
1407 | unsigned long pixel = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f)); |
1408 | unsigned long mask_color = f->output_data.x->background_pixel; | |
a76206dc | 1409 | |
51a1d2d8 | 1410 | /* Don't let pointers be invisible. */ |
a76206dc RS |
1411 | if (mask_color == pixel |
1412 | && mask_color == f->output_data.x->background_pixel) | |
bcf26b38 GM |
1413 | { |
1414 | x_free_colors (f, &pixel, 1); | |
1415 | pixel = x_copy_color (f, f->output_data.x->foreground_pixel); | |
1416 | } | |
a76206dc | 1417 | |
51a1d2d8 | 1418 | unload_color (f, f->output_data.x->mouse_pixel); |
a76206dc | 1419 | f->output_data.x->mouse_pixel = pixel; |
01f1ba30 JB |
1420 | |
1421 | BLOCK_INPUT; | |
fe24a618 | 1422 | |
eb8c3be9 | 1423 | /* It's not okay to crash if the user selects a screwy cursor. */ |
1dc6cfa6 | 1424 | count = x_catch_errors (FRAME_X_DISPLAY (f)); |
fe24a618 | 1425 | |
01f1ba30 JB |
1426 | if (!EQ (Qnil, Vx_pointer_shape)) |
1427 | { | |
1428 | CHECK_NUMBER (Vx_pointer_shape, 0); | |
b9dc4443 | 1429 | cursor = XCreateFontCursor (FRAME_X_DISPLAY (f), XINT (Vx_pointer_shape)); |
01f1ba30 JB |
1430 | } |
1431 | else | |
b9dc4443 | 1432 | cursor = XCreateFontCursor (FRAME_X_DISPLAY (f), XC_xterm); |
c4ec904f | 1433 | x_check_errors (FRAME_X_DISPLAY (f), "bad text pointer cursor: %s"); |
01f1ba30 JB |
1434 | |
1435 | if (!EQ (Qnil, Vx_nontext_pointer_shape)) | |
1436 | { | |
1437 | CHECK_NUMBER (Vx_nontext_pointer_shape, 0); | |
b9dc4443 | 1438 | nontext_cursor = XCreateFontCursor (FRAME_X_DISPLAY (f), |
01f1ba30 JB |
1439 | XINT (Vx_nontext_pointer_shape)); |
1440 | } | |
1441 | else | |
b9dc4443 | 1442 | nontext_cursor = XCreateFontCursor (FRAME_X_DISPLAY (f), XC_left_ptr); |
c4ec904f | 1443 | x_check_errors (FRAME_X_DISPLAY (f), "bad nontext pointer cursor: %s"); |
01f1ba30 | 1444 | |
333b20bb GM |
1445 | if (!EQ (Qnil, Vx_busy_pointer_shape)) |
1446 | { | |
1447 | CHECK_NUMBER (Vx_busy_pointer_shape, 0); | |
1448 | busy_cursor = XCreateFontCursor (FRAME_X_DISPLAY (f), | |
1449 | XINT (Vx_busy_pointer_shape)); | |
1450 | } | |
1451 | else | |
1452 | busy_cursor = XCreateFontCursor (FRAME_X_DISPLAY (f), XC_watch); | |
1453 | x_check_errors (FRAME_X_DISPLAY (f), "bad busy pointer cursor: %s"); | |
1454 | ||
1455 | x_check_errors (FRAME_X_DISPLAY (f), "bad nontext pointer cursor: %s"); | |
01f1ba30 JB |
1456 | if (!EQ (Qnil, Vx_mode_pointer_shape)) |
1457 | { | |
1458 | CHECK_NUMBER (Vx_mode_pointer_shape, 0); | |
b9dc4443 RS |
1459 | mode_cursor = XCreateFontCursor (FRAME_X_DISPLAY (f), |
1460 | XINT (Vx_mode_pointer_shape)); | |
01f1ba30 JB |
1461 | } |
1462 | else | |
b9dc4443 | 1463 | mode_cursor = XCreateFontCursor (FRAME_X_DISPLAY (f), XC_xterm); |
c4ec904f | 1464 | x_check_errors (FRAME_X_DISPLAY (f), "bad modeline pointer cursor: %s"); |
95f80c78 | 1465 | |
ca0ecbf5 | 1466 | if (!EQ (Qnil, Vx_sensitive_text_pointer_shape)) |
95f80c78 | 1467 | { |
ca0ecbf5 RS |
1468 | CHECK_NUMBER (Vx_sensitive_text_pointer_shape, 0); |
1469 | cross_cursor | |
b9dc4443 | 1470 | = XCreateFontCursor (FRAME_X_DISPLAY (f), |
ca0ecbf5 | 1471 | XINT (Vx_sensitive_text_pointer_shape)); |
95f80c78 FP |
1472 | } |
1473 | else | |
b9dc4443 | 1474 | cross_cursor = XCreateFontCursor (FRAME_X_DISPLAY (f), XC_crosshair); |
01f1ba30 | 1475 | |
8fb4ec9c GM |
1476 | if (!NILP (Vx_window_horizontal_drag_shape)) |
1477 | { | |
1478 | CHECK_NUMBER (Vx_window_horizontal_drag_shape, 0); | |
1479 | horizontal_drag_cursor | |
1480 | = XCreateFontCursor (FRAME_X_DISPLAY (f), | |
1481 | XINT (Vx_window_horizontal_drag_shape)); | |
1482 | } | |
1483 | else | |
1484 | horizontal_drag_cursor | |
1485 | = XCreateFontCursor (FRAME_X_DISPLAY (f), XC_sb_h_double_arrow); | |
1486 | ||
fe24a618 | 1487 | /* Check and report errors with the above calls. */ |
c4ec904f | 1488 | x_check_errors (FRAME_X_DISPLAY (f), "can't set cursor shape: %s"); |
1dc6cfa6 | 1489 | x_uncatch_errors (FRAME_X_DISPLAY (f), count); |
fe24a618 | 1490 | |
01f1ba30 JB |
1491 | { |
1492 | XColor fore_color, back_color; | |
1493 | ||
7556890b | 1494 | fore_color.pixel = f->output_data.x->mouse_pixel; |
a31fedb7 | 1495 | x_query_color (f, &fore_color); |
01f1ba30 | 1496 | back_color.pixel = mask_color; |
a31fedb7 GM |
1497 | x_query_color (f, &back_color); |
1498 | ||
b9dc4443 | 1499 | XRecolorCursor (FRAME_X_DISPLAY (f), cursor, |
01f1ba30 | 1500 | &fore_color, &back_color); |
b9dc4443 | 1501 | XRecolorCursor (FRAME_X_DISPLAY (f), nontext_cursor, |
01f1ba30 | 1502 | &fore_color, &back_color); |
b9dc4443 | 1503 | XRecolorCursor (FRAME_X_DISPLAY (f), mode_cursor, |
01f1ba30 | 1504 | &fore_color, &back_color); |
b9dc4443 | 1505 | XRecolorCursor (FRAME_X_DISPLAY (f), cross_cursor, |
a31fedb7 | 1506 | &fore_color, &back_color); |
333b20bb GM |
1507 | XRecolorCursor (FRAME_X_DISPLAY (f), busy_cursor, |
1508 | &fore_color, &back_color); | |
8fb4ec9c GM |
1509 | XRecolorCursor (FRAME_X_DISPLAY (f), horizontal_drag_cursor, |
1510 | &fore_color, &back_color); | |
01f1ba30 | 1511 | } |
01f1ba30 | 1512 | |
fe24a618 | 1513 | if (FRAME_X_WINDOW (f) != 0) |
333b20bb | 1514 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), cursor); |
01f1ba30 | 1515 | |
8fb4ec9c GM |
1516 | if (cursor != f->output_data.x->text_cursor |
1517 | && f->output_data.x->text_cursor != 0) | |
7556890b RS |
1518 | XFreeCursor (FRAME_X_DISPLAY (f), f->output_data.x->text_cursor); |
1519 | f->output_data.x->text_cursor = cursor; | |
3457bc6e | 1520 | |
7556890b RS |
1521 | if (nontext_cursor != f->output_data.x->nontext_cursor |
1522 | && f->output_data.x->nontext_cursor != 0) | |
1523 | XFreeCursor (FRAME_X_DISPLAY (f), f->output_data.x->nontext_cursor); | |
1524 | f->output_data.x->nontext_cursor = nontext_cursor; | |
f676886a | 1525 | |
333b20bb GM |
1526 | if (busy_cursor != f->output_data.x->busy_cursor |
1527 | && f->output_data.x->busy_cursor != 0) | |
1528 | XFreeCursor (FRAME_X_DISPLAY (f), f->output_data.x->busy_cursor); | |
1529 | f->output_data.x->busy_cursor = busy_cursor; | |
1530 | ||
7556890b RS |
1531 | if (mode_cursor != f->output_data.x->modeline_cursor |
1532 | && f->output_data.x->modeline_cursor != 0) | |
1533 | XFreeCursor (FRAME_X_DISPLAY (f), f->output_data.x->modeline_cursor); | |
1534 | f->output_data.x->modeline_cursor = mode_cursor; | |
333b20bb | 1535 | |
7556890b RS |
1536 | if (cross_cursor != f->output_data.x->cross_cursor |
1537 | && f->output_data.x->cross_cursor != 0) | |
1538 | XFreeCursor (FRAME_X_DISPLAY (f), f->output_data.x->cross_cursor); | |
1539 | f->output_data.x->cross_cursor = cross_cursor; | |
01f1ba30 | 1540 | |
8fb4ec9c GM |
1541 | if (horizontal_drag_cursor != f->output_data.x->horizontal_drag_cursor |
1542 | && f->output_data.x->horizontal_drag_cursor != 0) | |
1543 | XFreeCursor (FRAME_X_DISPLAY (f), f->output_data.x->horizontal_drag_cursor); | |
1544 | f->output_data.x->horizontal_drag_cursor = horizontal_drag_cursor; | |
1545 | ||
b9dc4443 | 1546 | XFlush (FRAME_X_DISPLAY (f)); |
01f1ba30 | 1547 | UNBLOCK_INPUT; |
05c8abbe GM |
1548 | |
1549 | update_face_from_frame_parameter (f, Qmouse_color, arg); | |
01f1ba30 JB |
1550 | } |
1551 | ||
1552 | void | |
f676886a JB |
1553 | x_set_cursor_color (f, arg, oldval) |
1554 | struct frame *f; | |
01f1ba30 JB |
1555 | Lisp_Object arg, oldval; |
1556 | { | |
a76206dc | 1557 | unsigned long fore_pixel, pixel; |
10168ebb | 1558 | int fore_pixel_allocated_p = 0, pixel_allocated_p = 0; |
01f1ba30 | 1559 | |
10168ebb GM |
1560 | if (!NILP (Vx_cursor_fore_pixel)) |
1561 | { | |
1562 | fore_pixel = x_decode_color (f, Vx_cursor_fore_pixel, | |
1563 | WHITE_PIX_DEFAULT (f)); | |
1564 | fore_pixel_allocated_p = 1; | |
1565 | } | |
01f1ba30 | 1566 | else |
7556890b | 1567 | fore_pixel = f->output_data.x->background_pixel; |
10168ebb | 1568 | |
a76206dc | 1569 | pixel = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f)); |
10168ebb | 1570 | pixel_allocated_p = 1; |
a76206dc | 1571 | |
f9942c9e | 1572 | /* Make sure that the cursor color differs from the background color. */ |
a76206dc | 1573 | if (pixel == f->output_data.x->background_pixel) |
01f1ba30 | 1574 | { |
10168ebb GM |
1575 | if (pixel_allocated_p) |
1576 | { | |
1577 | x_free_colors (f, &pixel, 1); | |
1578 | pixel_allocated_p = 0; | |
1579 | } | |
1580 | ||
a76206dc RS |
1581 | pixel = f->output_data.x->mouse_pixel; |
1582 | if (pixel == fore_pixel) | |
10168ebb GM |
1583 | { |
1584 | if (fore_pixel_allocated_p) | |
1585 | { | |
1586 | x_free_colors (f, &fore_pixel, 1); | |
1587 | fore_pixel_allocated_p = 0; | |
1588 | } | |
1589 | fore_pixel = f->output_data.x->background_pixel; | |
1590 | } | |
01f1ba30 | 1591 | } |
a76206dc | 1592 | |
51a1d2d8 | 1593 | unload_color (f, f->output_data.x->cursor_foreground_pixel); |
10168ebb GM |
1594 | if (!fore_pixel_allocated_p) |
1595 | fore_pixel = x_copy_color (f, fore_pixel); | |
7556890b | 1596 | f->output_data.x->cursor_foreground_pixel = fore_pixel; |
01f1ba30 | 1597 | |
51a1d2d8 | 1598 | unload_color (f, f->output_data.x->cursor_pixel); |
10168ebb GM |
1599 | if (!pixel_allocated_p) |
1600 | pixel = x_copy_color (f, pixel); | |
a76206dc RS |
1601 | f->output_data.x->cursor_pixel = pixel; |
1602 | ||
fe24a618 | 1603 | if (FRAME_X_WINDOW (f) != 0) |
01f1ba30 | 1604 | { |
01f1ba30 | 1605 | BLOCK_INPUT; |
7556890b RS |
1606 | XSetBackground (FRAME_X_DISPLAY (f), f->output_data.x->cursor_gc, |
1607 | f->output_data.x->cursor_pixel); | |
1608 | XSetForeground (FRAME_X_DISPLAY (f), f->output_data.x->cursor_gc, | |
01f1ba30 JB |
1609 | fore_pixel); |
1610 | UNBLOCK_INPUT; | |
01f1ba30 | 1611 | |
179956b9 | 1612 | if (FRAME_VISIBLE_P (f)) |
01f1ba30 | 1613 | { |
cedadcfa RS |
1614 | x_update_cursor (f, 0); |
1615 | x_update_cursor (f, 1); | |
01f1ba30 JB |
1616 | } |
1617 | } | |
05c8abbe GM |
1618 | |
1619 | update_face_from_frame_parameter (f, Qcursor_color, arg); | |
01f1ba30 | 1620 | } |
943b580d | 1621 | \f |
f676886a | 1622 | /* Set the border-color of frame F to value described by ARG. |
01f1ba30 JB |
1623 | ARG can be a string naming a color. |
1624 | The border-color is used for the border that is drawn by the X server. | |
1625 | Note that this does not fully take effect if done before | |
f676886a | 1626 | F has an x-window; it must be redone when the window is created. |
01f1ba30 JB |
1627 | |
1628 | Note: this is done in two routines because of the way X10 works. | |
1629 | ||
1630 | Note: under X11, this is normally the province of the window manager, | |
b9dc4443 | 1631 | and so emacs' border colors may be overridden. */ |
01f1ba30 JB |
1632 | |
1633 | void | |
f676886a JB |
1634 | x_set_border_color (f, arg, oldval) |
1635 | struct frame *f; | |
01f1ba30 JB |
1636 | Lisp_Object arg, oldval; |
1637 | { | |
01f1ba30 JB |
1638 | int pix; |
1639 | ||
1640 | CHECK_STRING (arg, 0); | |
b9dc4443 | 1641 | pix = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f)); |
f676886a | 1642 | x_set_border_pixel (f, pix); |
05c8abbe | 1643 | update_face_from_frame_parameter (f, Qborder_color, arg); |
01f1ba30 JB |
1644 | } |
1645 | ||
f676886a | 1646 | /* Set the border-color of frame F to pixel value PIX. |
01f1ba30 | 1647 | Note that this does not fully take effect if done before |
f676886a | 1648 | F has an x-window. */ |
01f1ba30 | 1649 | |
968b1234 | 1650 | void |
f676886a JB |
1651 | x_set_border_pixel (f, pix) |
1652 | struct frame *f; | |
01f1ba30 JB |
1653 | int pix; |
1654 | { | |
a76206dc | 1655 | unload_color (f, f->output_data.x->border_pixel); |
7556890b | 1656 | f->output_data.x->border_pixel = pix; |
01f1ba30 | 1657 | |
7556890b | 1658 | if (FRAME_X_WINDOW (f) != 0 && f->output_data.x->border_width > 0) |
01f1ba30 | 1659 | { |
01f1ba30 | 1660 | BLOCK_INPUT; |
b9dc4443 | 1661 | XSetWindowBorder (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
270958e8 | 1662 | (unsigned long)pix); |
01f1ba30 JB |
1663 | UNBLOCK_INPUT; |
1664 | ||
179956b9 | 1665 | if (FRAME_VISIBLE_P (f)) |
f676886a | 1666 | redraw_frame (f); |
01f1ba30 JB |
1667 | } |
1668 | } | |
1669 | ||
0d1469d6 GM |
1670 | |
1671 | /* Value is the internal representation of the specified cursor type | |
1672 | ARG. If type is BAR_CURSOR, return in *WIDTH the specified width | |
1673 | of the bar cursor. */ | |
1674 | ||
1675 | enum text_cursor_kinds | |
1676 | x_specified_cursor_type (arg, width) | |
1677 | Lisp_Object arg; | |
1678 | int *width; | |
dbc4e1c1 | 1679 | { |
0d1469d6 GM |
1680 | enum text_cursor_kinds type; |
1681 | ||
dbc4e1c1 | 1682 | if (EQ (arg, Qbar)) |
c3211206 | 1683 | { |
0d1469d6 GM |
1684 | type = BAR_CURSOR; |
1685 | *width = 2; | |
c3211206 | 1686 | } |
08ac8554 GM |
1687 | else if (CONSP (arg) |
1688 | && EQ (XCAR (arg), Qbar) | |
1689 | && INTEGERP (XCDR (arg)) | |
1690 | && XINT (XCDR (arg)) >= 0) | |
c3211206 | 1691 | { |
0d1469d6 GM |
1692 | type = BAR_CURSOR; |
1693 | *width = XINT (XCDR (arg)); | |
c3211206 | 1694 | } |
08ac8554 | 1695 | else if (NILP (arg)) |
0d1469d6 | 1696 | type = NO_CURSOR; |
dbc4e1c1 | 1697 | else |
c3211206 RS |
1698 | /* Treat anything unknown as "box cursor". |
1699 | It was bad to signal an error; people have trouble fixing | |
1700 | .Xdefaults with Emacs, when it has something bad in it. */ | |
0d1469d6 GM |
1701 | type = FILLED_BOX_CURSOR; |
1702 | ||
1703 | return type; | |
1704 | } | |
1705 | ||
1706 | void | |
1707 | x_set_cursor_type (f, arg, oldval) | |
1708 | FRAME_PTR f; | |
1709 | Lisp_Object arg, oldval; | |
1710 | { | |
1711 | int width; | |
1712 | ||
1713 | FRAME_DESIRED_CURSOR (f) = x_specified_cursor_type (arg, &width); | |
1714 | f->output_data.x->cursor_width = width; | |
dbc4e1c1 JB |
1715 | |
1716 | /* Make sure the cursor gets redrawn. This is overkill, but how | |
1717 | often do people change cursor types? */ | |
1718 | update_mode_lines++; | |
1719 | } | |
943b580d | 1720 | \f |
01f1ba30 | 1721 | void |
f676886a JB |
1722 | x_set_icon_type (f, arg, oldval) |
1723 | struct frame *f; | |
01f1ba30 JB |
1724 | Lisp_Object arg, oldval; |
1725 | { | |
01f1ba30 JB |
1726 | int result; |
1727 | ||
203c1d73 RS |
1728 | if (STRINGP (arg)) |
1729 | { | |
1730 | if (STRINGP (oldval) && EQ (Fstring_equal (oldval, arg), Qt)) | |
1731 | return; | |
1732 | } | |
1733 | else if (!STRINGP (oldval) && EQ (oldval, Qnil) == EQ (arg, Qnil)) | |
01f1ba30 JB |
1734 | return; |
1735 | ||
1736 | BLOCK_INPUT; | |
265a9e55 | 1737 | if (NILP (arg)) |
80534dd6 | 1738 | result = x_text_icon (f, |
f468da95 RS |
1739 | (char *) XSTRING ((!NILP (f->icon_name) |
1740 | ? f->icon_name | |
80534dd6 | 1741 | : f->name))->data); |
f1c7b5a6 RS |
1742 | else |
1743 | result = x_bitmap_icon (f, arg); | |
01f1ba30 JB |
1744 | |
1745 | if (result) | |
1746 | { | |
01f1ba30 | 1747 | UNBLOCK_INPUT; |
0fb53770 | 1748 | error ("No icon window available"); |
01f1ba30 JB |
1749 | } |
1750 | ||
b9dc4443 | 1751 | XFlush (FRAME_X_DISPLAY (f)); |
01f1ba30 JB |
1752 | UNBLOCK_INPUT; |
1753 | } | |
1754 | ||
f1c7b5a6 | 1755 | /* Return non-nil if frame F wants a bitmap icon. */ |
0fb53770 | 1756 | |
f1c7b5a6 | 1757 | Lisp_Object |
0fb53770 RS |
1758 | x_icon_type (f) |
1759 | FRAME_PTR f; | |
1760 | { | |
1761 | Lisp_Object tem; | |
1762 | ||
1763 | tem = assq_no_quit (Qicon_type, f->param_alist); | |
f1c7b5a6 | 1764 | if (CONSP (tem)) |
8e713be6 | 1765 | return XCDR (tem); |
f1c7b5a6 RS |
1766 | else |
1767 | return Qnil; | |
0fb53770 RS |
1768 | } |
1769 | ||
80534dd6 KH |
1770 | void |
1771 | x_set_icon_name (f, arg, oldval) | |
1772 | struct frame *f; | |
1773 | Lisp_Object arg, oldval; | |
1774 | { | |
80534dd6 KH |
1775 | int result; |
1776 | ||
1777 | if (STRINGP (arg)) | |
1778 | { | |
1779 | if (STRINGP (oldval) && EQ (Fstring_equal (oldval, arg), Qt)) | |
1780 | return; | |
1781 | } | |
1782 | else if (!STRINGP (oldval) && EQ (oldval, Qnil) == EQ (arg, Qnil)) | |
1783 | return; | |
1784 | ||
f468da95 | 1785 | f->icon_name = arg; |
80534dd6 | 1786 | |
7556890b | 1787 | if (f->output_data.x->icon_bitmap != 0) |
80534dd6 KH |
1788 | return; |
1789 | ||
1790 | BLOCK_INPUT; | |
1791 | ||
1792 | result = x_text_icon (f, | |
f468da95 RS |
1793 | (char *) XSTRING ((!NILP (f->icon_name) |
1794 | ? f->icon_name | |
943b580d RS |
1795 | : !NILP (f->title) |
1796 | ? f->title | |
80534dd6 KH |
1797 | : f->name))->data); |
1798 | ||
1799 | if (result) | |
1800 | { | |
1801 | UNBLOCK_INPUT; | |
1802 | error ("No icon window available"); | |
1803 | } | |
1804 | ||
80534dd6 KH |
1805 | XFlush (FRAME_X_DISPLAY (f)); |
1806 | UNBLOCK_INPUT; | |
1807 | } | |
943b580d | 1808 | \f |
01f1ba30 | 1809 | void |
f676886a JB |
1810 | x_set_font (f, arg, oldval) |
1811 | struct frame *f; | |
01f1ba30 JB |
1812 | Lisp_Object arg, oldval; |
1813 | { | |
ea96210c | 1814 | Lisp_Object result; |
942ea06d | 1815 | Lisp_Object fontset_name; |
a367641f | 1816 | Lisp_Object frame; |
01f1ba30 JB |
1817 | |
1818 | CHECK_STRING (arg, 1); | |
01f1ba30 | 1819 | |
49965a29 | 1820 | fontset_name = Fquery_fontset (arg, Qnil); |
942ea06d | 1821 | |
01f1ba30 | 1822 | BLOCK_INPUT; |
942ea06d KH |
1823 | result = (STRINGP (fontset_name) |
1824 | ? x_new_fontset (f, XSTRING (fontset_name)->data) | |
1825 | : x_new_font (f, XSTRING (arg)->data)); | |
01f1ba30 JB |
1826 | UNBLOCK_INPUT; |
1827 | ||
ea96210c | 1828 | if (EQ (result, Qnil)) |
1c59f5df | 1829 | error ("Font `%s' is not defined", XSTRING (arg)->data); |
ea96210c | 1830 | else if (EQ (result, Qt)) |
26e18ed9 | 1831 | error ("The characters of the given font have varying widths"); |
ea96210c JB |
1832 | else if (STRINGP (result)) |
1833 | { | |
ea96210c | 1834 | store_frame_param (f, Qfont, result); |
333b20bb | 1835 | recompute_basic_faces (f); |
ea96210c JB |
1836 | } |
1837 | else | |
1838 | abort (); | |
a367641f | 1839 | |
8938a4fb | 1840 | do_pending_window_change (0); |
95aa0336 | 1841 | |
333b20bb GM |
1842 | /* Don't call `face-set-after-frame-default' when faces haven't been |
1843 | initialized yet. This is the case when called from | |
1844 | Fx_create_frame. In that case, the X widget or window doesn't | |
1845 | exist either, and we can end up in x_report_frame_params with a | |
1846 | null widget which gives a segfault. */ | |
1847 | if (FRAME_FACE_CACHE (f)) | |
1848 | { | |
1849 | XSETFRAME (frame, f); | |
1850 | call1 (Qface_set_after_frame_default, frame); | |
1851 | } | |
01f1ba30 JB |
1852 | } |
1853 | ||
1854 | void | |
f676886a JB |
1855 | x_set_border_width (f, arg, oldval) |
1856 | struct frame *f; | |
01f1ba30 JB |
1857 | Lisp_Object arg, oldval; |
1858 | { | |
1859 | CHECK_NUMBER (arg, 0); | |
1860 | ||
7556890b | 1861 | if (XINT (arg) == f->output_data.x->border_width) |
01f1ba30 JB |
1862 | return; |
1863 | ||
fe24a618 | 1864 | if (FRAME_X_WINDOW (f) != 0) |
01f1ba30 JB |
1865 | error ("Cannot change the border width of a window"); |
1866 | ||
7556890b | 1867 | f->output_data.x->border_width = XINT (arg); |
01f1ba30 JB |
1868 | } |
1869 | ||
1870 | void | |
f676886a JB |
1871 | x_set_internal_border_width (f, arg, oldval) |
1872 | struct frame *f; | |
01f1ba30 JB |
1873 | Lisp_Object arg, oldval; |
1874 | { | |
7556890b | 1875 | int old = f->output_data.x->internal_border_width; |
01f1ba30 JB |
1876 | |
1877 | CHECK_NUMBER (arg, 0); | |
7556890b RS |
1878 | f->output_data.x->internal_border_width = XINT (arg); |
1879 | if (f->output_data.x->internal_border_width < 0) | |
1880 | f->output_data.x->internal_border_width = 0; | |
01f1ba30 | 1881 | |
d3b06468 | 1882 | #ifdef USE_X_TOOLKIT |
2a8a07d4 | 1883 | if (f->output_data.x->edit_widget) |
968b1234 | 1884 | widget_store_internal_border (f->output_data.x->edit_widget); |
d3b06468 | 1885 | #endif |
2a8a07d4 | 1886 | |
7556890b | 1887 | if (f->output_data.x->internal_border_width == old) |
01f1ba30 JB |
1888 | return; |
1889 | ||
fe24a618 | 1890 | if (FRAME_X_WINDOW (f) != 0) |
01f1ba30 | 1891 | { |
363f7e15 | 1892 | x_set_window_size (f, 0, f->width, f->height); |
f676886a | 1893 | SET_FRAME_GARBAGED (f); |
8938a4fb | 1894 | do_pending_window_change (0); |
01f1ba30 JB |
1895 | } |
1896 | } | |
1897 | ||
d043f1a4 RS |
1898 | void |
1899 | x_set_visibility (f, value, oldval) | |
1900 | struct frame *f; | |
1901 | Lisp_Object value, oldval; | |
1902 | { | |
1903 | Lisp_Object frame; | |
191ed777 | 1904 | XSETFRAME (frame, f); |
d043f1a4 RS |
1905 | |
1906 | if (NILP (value)) | |
363f7e15 | 1907 | Fmake_frame_invisible (frame, Qt); |
49795535 | 1908 | else if (EQ (value, Qicon)) |
d043f1a4 | 1909 | Ficonify_frame (frame); |
49795535 JB |
1910 | else |
1911 | Fmake_frame_visible (frame); | |
d043f1a4 | 1912 | } |
52de7ce9 | 1913 | |
943b580d | 1914 | \f |
52de7ce9 GM |
1915 | /* Change window heights in windows rooted in WINDOW by N lines. */ |
1916 | ||
d043f1a4 | 1917 | static void |
52de7ce9 | 1918 | x_change_window_heights (window, n) |
d043f1a4 RS |
1919 | Lisp_Object window; |
1920 | int n; | |
1921 | { | |
47c0f58b | 1922 | struct window *w = XWINDOW (window); |
d043f1a4 | 1923 | |
e33f7330 KH |
1924 | XSETFASTINT (w->top, XFASTINT (w->top) + n); |
1925 | XSETFASTINT (w->height, XFASTINT (w->height) - n); | |
d043f1a4 | 1926 | |
4336c705 GM |
1927 | if (INTEGERP (w->orig_top)) |
1928 | XSETFASTINT (w->orig_top, XFASTINT (w->orig_top) + n); | |
1929 | if (INTEGERP (w->orig_height)) | |
1930 | XSETFASTINT (w->orig_height, XFASTINT (w->orig_height) - n); | |
1931 | ||
47c0f58b RS |
1932 | /* Handle just the top child in a vertical split. */ |
1933 | if (!NILP (w->vchild)) | |
52de7ce9 | 1934 | x_change_window_heights (w->vchild, n); |
d043f1a4 | 1935 | |
47c0f58b RS |
1936 | /* Adjust all children in a horizontal split. */ |
1937 | for (window = w->hchild; !NILP (window); window = w->next) | |
1938 | { | |
1939 | w = XWINDOW (window); | |
52de7ce9 | 1940 | x_change_window_heights (window, n); |
d043f1a4 RS |
1941 | } |
1942 | } | |
1943 | ||
1944 | void | |
1945 | x_set_menu_bar_lines (f, value, oldval) | |
1946 | struct frame *f; | |
1947 | Lisp_Object value, oldval; | |
1948 | { | |
1949 | int nlines; | |
b6d7acec | 1950 | #ifndef USE_X_TOOLKIT |
d043f1a4 | 1951 | int olines = FRAME_MENU_BAR_LINES (f); |
b6d7acec | 1952 | #endif |
d043f1a4 | 1953 | |
f64ba6ea JB |
1954 | /* Right now, menu bars don't work properly in minibuf-only frames; |
1955 | most of the commands try to apply themselves to the minibuffer | |
333b20bb | 1956 | frame itself, and get an error because you can't switch buffers |
f64ba6ea | 1957 | in or split the minibuffer window. */ |
519066d2 | 1958 | if (FRAME_MINIBUF_ONLY_P (f)) |
f64ba6ea JB |
1959 | return; |
1960 | ||
6a5e54e2 | 1961 | if (INTEGERP (value)) |
d043f1a4 RS |
1962 | nlines = XINT (value); |
1963 | else | |
1964 | nlines = 0; | |
1965 | ||
3d09b6be RS |
1966 | /* Make sure we redisplay all windows in this frame. */ |
1967 | windows_or_buffers_changed++; | |
1968 | ||
9ef48a9d RS |
1969 | #ifdef USE_X_TOOLKIT |
1970 | FRAME_MENU_BAR_LINES (f) = 0; | |
1971 | if (nlines) | |
0d8ef3f4 RS |
1972 | { |
1973 | FRAME_EXTERNAL_MENU_BAR (f) = 1; | |
97a1ff91 | 1974 | if (FRAME_X_P (f) && f->output_data.x->menubar_widget == 0) |
0d8ef3f4 RS |
1975 | /* Make sure next redisplay shows the menu bar. */ |
1976 | XWINDOW (FRAME_SELECTED_WINDOW (f))->update_mode_line = Qt; | |
1977 | } | |
9ef48a9d RS |
1978 | else |
1979 | { | |
6bc20398 FP |
1980 | if (FRAME_EXTERNAL_MENU_BAR (f) == 1) |
1981 | free_frame_menubar (f); | |
9ef48a9d | 1982 | FRAME_EXTERNAL_MENU_BAR (f) = 0; |
97a1ff91 RS |
1983 | if (FRAME_X_P (f)) |
1984 | f->output_data.x->menubar_widget = 0; | |
9ef48a9d RS |
1985 | } |
1986 | #else /* not USE_X_TOOLKIT */ | |
d043f1a4 | 1987 | FRAME_MENU_BAR_LINES (f) = nlines; |
52de7ce9 | 1988 | x_change_window_heights (f->root_window, nlines - olines); |
9ef48a9d | 1989 | #endif /* not USE_X_TOOLKIT */ |
333b20bb GM |
1990 | adjust_glyphs (f); |
1991 | } | |
1992 | ||
1993 | ||
1994 | /* Set the number of lines used for the tool bar of frame F to VALUE. | |
1995 | VALUE not an integer, or < 0 means set the lines to zero. OLDVAL | |
1996 | is the old number of tool bar lines. This function changes the | |
1997 | height of all windows on frame F to match the new tool bar height. | |
1998 | The frame's height doesn't change. */ | |
1999 | ||
2000 | void | |
9ea173e8 | 2001 | x_set_tool_bar_lines (f, value, oldval) |
333b20bb GM |
2002 | struct frame *f; |
2003 | Lisp_Object value, oldval; | |
2004 | { | |
52de7ce9 GM |
2005 | int delta, nlines, root_height; |
2006 | Lisp_Object root_window; | |
333b20bb | 2007 | |
e870b7ba GM |
2008 | /* Treat tool bars like menu bars. */ |
2009 | if (FRAME_MINIBUF_ONLY_P (f)) | |
2010 | return; | |
2011 | ||
333b20bb GM |
2012 | /* Use VALUE only if an integer >= 0. */ |
2013 | if (INTEGERP (value) && XINT (value) >= 0) | |
2014 | nlines = XFASTINT (value); | |
2015 | else | |
2016 | nlines = 0; | |
2017 | ||
2018 | /* Make sure we redisplay all windows in this frame. */ | |
2019 | ++windows_or_buffers_changed; | |
2020 | ||
9ea173e8 | 2021 | delta = nlines - FRAME_TOOL_BAR_LINES (f); |
52de7ce9 GM |
2022 | |
2023 | /* Don't resize the tool-bar to more than we have room for. */ | |
2024 | root_window = FRAME_ROOT_WINDOW (f); | |
2025 | root_height = XINT (XWINDOW (root_window)->height); | |
2026 | if (root_height - delta < 1) | |
2027 | { | |
2028 | delta = root_height - 1; | |
2029 | nlines = FRAME_TOOL_BAR_LINES (f) + delta; | |
2030 | } | |
2031 | ||
9ea173e8 | 2032 | FRAME_TOOL_BAR_LINES (f) = nlines; |
52de7ce9 | 2033 | x_change_window_heights (root_window, delta); |
333b20bb | 2034 | adjust_glyphs (f); |
ccba751c GM |
2035 | |
2036 | /* We also have to make sure that the internal border at the top of | |
2037 | the frame, below the menu bar or tool bar, is redrawn when the | |
2038 | tool bar disappears. This is so because the internal border is | |
2039 | below the tool bar if one is displayed, but is below the menu bar | |
2040 | if there isn't a tool bar. The tool bar draws into the area | |
2041 | below the menu bar. */ | |
2042 | if (FRAME_X_WINDOW (f) && FRAME_TOOL_BAR_LINES (f) == 0) | |
2043 | { | |
2044 | updating_frame = f; | |
2045 | clear_frame (); | |
fb3cd89b | 2046 | clear_current_matrices (f); |
ccba751c GM |
2047 | updating_frame = NULL; |
2048 | } | |
b6f91066 GM |
2049 | |
2050 | /* If the tool bar gets smaller, the internal border below it | |
2051 | has to be cleared. It was formerly part of the display | |
2052 | of the larger tool bar, and updating windows won't clear it. */ | |
2053 | if (delta < 0) | |
2054 | { | |
2055 | int height = FRAME_INTERNAL_BORDER_WIDTH (f); | |
2056 | int width = PIXEL_WIDTH (f); | |
2057 | int y = nlines * CANON_Y_UNIT (f); | |
2058 | ||
2059 | BLOCK_INPUT; | |
161d30fd GM |
2060 | x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
2061 | 0, y, width, height, False); | |
b6f91066 GM |
2062 | UNBLOCK_INPUT; |
2063 | } | |
333b20bb GM |
2064 | } |
2065 | ||
2066 | ||
2067 | /* Set the foreground color for scroll bars on frame F to VALUE. | |
2068 | VALUE should be a string, a color name. If it isn't a string or | |
2069 | isn't a valid color name, do nothing. OLDVAL is the old value of | |
2070 | the frame parameter. */ | |
2071 | ||
2072 | void | |
2073 | x_set_scroll_bar_foreground (f, value, oldval) | |
2074 | struct frame *f; | |
2075 | Lisp_Object value, oldval; | |
2076 | { | |
2077 | unsigned long pixel; | |
2078 | ||
2079 | if (STRINGP (value)) | |
2080 | pixel = x_decode_color (f, value, BLACK_PIX_DEFAULT (f)); | |
2081 | else | |
2082 | pixel = -1; | |
2083 | ||
2084 | if (f->output_data.x->scroll_bar_foreground_pixel != -1) | |
2085 | unload_color (f, f->output_data.x->scroll_bar_foreground_pixel); | |
2086 | ||
2087 | f->output_data.x->scroll_bar_foreground_pixel = pixel; | |
2088 | if (FRAME_X_WINDOW (f) && FRAME_VISIBLE_P (f)) | |
2089 | { | |
2090 | /* Remove all scroll bars because they have wrong colors. */ | |
2091 | if (condemn_scroll_bars_hook) | |
2092 | (*condemn_scroll_bars_hook) (f); | |
2093 | if (judge_scroll_bars_hook) | |
2094 | (*judge_scroll_bars_hook) (f); | |
05c8abbe GM |
2095 | |
2096 | update_face_from_frame_parameter (f, Qscroll_bar_foreground, value); | |
333b20bb GM |
2097 | redraw_frame (f); |
2098 | } | |
2099 | } | |
2100 | ||
2101 | ||
2102 | /* Set the background color for scroll bars on frame F to VALUE VALUE | |
2103 | should be a string, a color name. If it isn't a string or isn't a | |
2104 | valid color name, do nothing. OLDVAL is the old value of the frame | |
2105 | parameter. */ | |
2106 | ||
2107 | void | |
2108 | x_set_scroll_bar_background (f, value, oldval) | |
2109 | struct frame *f; | |
2110 | Lisp_Object value, oldval; | |
2111 | { | |
2112 | unsigned long pixel; | |
2113 | ||
2114 | if (STRINGP (value)) | |
2115 | pixel = x_decode_color (f, value, WHITE_PIX_DEFAULT (f)); | |
2116 | else | |
2117 | pixel = -1; | |
2118 | ||
2119 | if (f->output_data.x->scroll_bar_background_pixel != -1) | |
2120 | unload_color (f, f->output_data.x->scroll_bar_background_pixel); | |
2121 | ||
2122 | f->output_data.x->scroll_bar_background_pixel = pixel; | |
2123 | if (FRAME_X_WINDOW (f) && FRAME_VISIBLE_P (f)) | |
2124 | { | |
2125 | /* Remove all scroll bars because they have wrong colors. */ | |
2126 | if (condemn_scroll_bars_hook) | |
2127 | (*condemn_scroll_bars_hook) (f); | |
2128 | if (judge_scroll_bars_hook) | |
2129 | (*judge_scroll_bars_hook) (f); | |
2130 | ||
05c8abbe | 2131 | update_face_from_frame_parameter (f, Qscroll_bar_background, value); |
333b20bb GM |
2132 | redraw_frame (f); |
2133 | } | |
d043f1a4 | 2134 | } |
333b20bb | 2135 | |
943b580d | 2136 | \f |
3a258507 | 2137 | /* Encode Lisp string STRING as a text in a format appropriate for |
96db09e4 KH |
2138 | XICCC (X Inter Client Communication Conventions). |
2139 | ||
2140 | If STRING contains only ASCII characters, do no conversion and | |
2141 | return the string data of STRING. Otherwise, encode the text by | |
2142 | CODING_SYSTEM, and return a newly allocated memory area which | |
2143 | should be freed by `xfree' by a caller. | |
2144 | ||
2145 | Store the byte length of resulting text in *TEXT_BYTES. | |
2146 | ||
d60660d6 | 2147 | If the text contains only ASCII and Latin-1, store 1 in *STRING_P, |
96db09e4 | 2148 | which means that the `encoding' of the result can be `STRING'. |
d60660d6 | 2149 | Otherwise store 0 in *STRINGP, which means that the `encoding' of |
96db09e4 KH |
2150 | the result should be `COMPOUND_TEXT'. */ |
2151 | ||
2152 | unsigned char * | |
d60660d6 | 2153 | x_encode_text (string, coding_system, text_bytes, stringp) |
96db09e4 | 2154 | Lisp_Object string, coding_system; |
d60660d6 | 2155 | int *text_bytes, *stringp; |
96db09e4 KH |
2156 | { |
2157 | unsigned char *str = XSTRING (string)->data; | |
2158 | int chars = XSTRING (string)->size; | |
2159 | int bytes = STRING_BYTES (XSTRING (string)); | |
2160 | int charset_info; | |
2161 | int bufsize; | |
2162 | unsigned char *buf; | |
2163 | struct coding_system coding; | |
2164 | ||
2165 | charset_info = find_charset_in_text (str, chars, bytes, NULL, Qnil); | |
2166 | if (charset_info == 0) | |
2167 | { | |
2168 | /* No multibyte character in OBJ. We need not encode it. */ | |
2169 | *text_bytes = bytes; | |
d60660d6 | 2170 | *stringp = 1; |
96db09e4 KH |
2171 | return str; |
2172 | } | |
2173 | ||
2174 | setup_coding_system (coding_system, &coding); | |
2175 | coding.src_multibyte = 1; | |
2176 | coding.dst_multibyte = 0; | |
2177 | coding.mode |= CODING_MODE_LAST_BLOCK; | |
d60660d6 KH |
2178 | if (coding.type == coding_type_iso2022) |
2179 | coding.flags |= CODING_FLAG_ISO_SAFE; | |
35bc5887 KH |
2180 | /* We suppress producing escape sequences for composition. */ |
2181 | coding.composing = COMPOSITION_DISABLED; | |
96db09e4 KH |
2182 | bufsize = encoding_buffer_size (&coding, bytes); |
2183 | buf = (unsigned char *) xmalloc (bufsize); | |
2184 | encode_coding (&coding, str, buf, bytes, bufsize); | |
2185 | *text_bytes = coding.produced; | |
d60660d6 | 2186 | *stringp = (charset_info == 1 || !EQ (coding_system, Qcompound_text)); |
96db09e4 KH |
2187 | return buf; |
2188 | } | |
2189 | ||
2190 | \f | |
75f9d625 | 2191 | /* Change the name of frame F to NAME. If NAME is nil, set F's name to |
f945b920 JB |
2192 | x_id_name. |
2193 | ||
2194 | If EXPLICIT is non-zero, that indicates that lisp code is setting the | |
75f9d625 DM |
2195 | name; if NAME is a string, set F's name to NAME and set |
2196 | F->explicit_name; if NAME is Qnil, then clear F->explicit_name. | |
f945b920 JB |
2197 | |
2198 | If EXPLICIT is zero, that indicates that Emacs redisplay code is | |
2199 | suggesting a new name, which lisp code should override; if | |
2200 | F->explicit_name is set, ignore the new name; otherwise, set it. */ | |
2201 | ||
2202 | void | |
2203 | x_set_name (f, name, explicit) | |
2204 | struct frame *f; | |
2205 | Lisp_Object name; | |
2206 | int explicit; | |
2207 | { | |
2208 | /* Make sure that requests from lisp code override requests from | |
2209 | Emacs redisplay code. */ | |
2210 | if (explicit) | |
2211 | { | |
2212 | /* If we're switching from explicit to implicit, we had better | |
2213 | update the mode lines and thereby update the title. */ | |
2214 | if (f->explicit_name && NILP (name)) | |
cf177271 | 2215 | update_mode_lines = 1; |
f945b920 JB |
2216 | |
2217 | f->explicit_name = ! NILP (name); | |
2218 | } | |
2219 | else if (f->explicit_name) | |
2220 | return; | |
2221 | ||
2222 | /* If NAME is nil, set the name to the x_id_name. */ | |
2223 | if (NILP (name)) | |
f10f0b79 RS |
2224 | { |
2225 | /* Check for no change needed in this very common case | |
2226 | before we do any consing. */ | |
08a90d6a RS |
2227 | if (!strcmp (FRAME_X_DISPLAY_INFO (f)->x_id_name, |
2228 | XSTRING (f->name)->data)) | |
f10f0b79 | 2229 | return; |
08a90d6a | 2230 | name = build_string (FRAME_X_DISPLAY_INFO (f)->x_id_name); |
f10f0b79 | 2231 | } |
62265f1c | 2232 | else |
f945b920 | 2233 | CHECK_STRING (name, 0); |
01f1ba30 | 2234 | |
f945b920 JB |
2235 | /* Don't change the name if it's already NAME. */ |
2236 | if (! NILP (Fstring_equal (name, f->name))) | |
daa37602 JB |
2237 | return; |
2238 | ||
943b580d RS |
2239 | f->name = name; |
2240 | ||
2241 | /* For setting the frame title, the title parameter should override | |
2242 | the name parameter. */ | |
2243 | if (! NILP (f->title)) | |
2244 | name = f->title; | |
2245 | ||
fe24a618 | 2246 | if (FRAME_X_WINDOW (f)) |
01f1ba30 | 2247 | { |
01f1ba30 | 2248 | BLOCK_INPUT; |
fe24a618 JB |
2249 | #ifdef HAVE_X11R4 |
2250 | { | |
80534dd6 | 2251 | XTextProperty text, icon; |
d60660d6 | 2252 | int bytes, stringp; |
11270583 | 2253 | Lisp_Object coding_system; |
80534dd6 | 2254 | |
11270583 KH |
2255 | coding_system = Vlocale_coding_system; |
2256 | if (NILP (coding_system)) | |
2257 | coding_system = Qcompound_text; | |
2258 | text.value = x_encode_text (name, coding_system, &bytes, &stringp); | |
d60660d6 | 2259 | text.encoding = (stringp ? XA_STRING |
96db09e4 | 2260 | : FRAME_X_DISPLAY_INFO (f)->Xatom_COMPOUND_TEXT); |
fe24a618 | 2261 | text.format = 8; |
96db09e4 | 2262 | text.nitems = bytes; |
80534dd6 | 2263 | |
96db09e4 KH |
2264 | if (NILP (f->icon_name)) |
2265 | { | |
2266 | icon = text; | |
2267 | } | |
2268 | else | |
2269 | { | |
11270583 | 2270 | icon.value = x_encode_text (f->icon_name, coding_system, |
d60660d6 KH |
2271 | &bytes, &stringp); |
2272 | icon.encoding = (stringp ? XA_STRING | |
96db09e4 KH |
2273 | : FRAME_X_DISPLAY_INFO (f)->Xatom_COMPOUND_TEXT); |
2274 | icon.format = 8; | |
2275 | icon.nitems = bytes; | |
2276 | } | |
9ef48a9d | 2277 | #ifdef USE_X_TOOLKIT |
b9dc4443 | 2278 | XSetWMName (FRAME_X_DISPLAY (f), |
7556890b RS |
2279 | XtWindow (f->output_data.x->widget), &text); |
2280 | XSetWMIconName (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget), | |
80534dd6 | 2281 | &icon); |
9ef48a9d | 2282 | #else /* not USE_X_TOOLKIT */ |
b9dc4443 | 2283 | XSetWMName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &text); |
80534dd6 | 2284 | XSetWMIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &icon); |
9ef48a9d | 2285 | #endif /* not USE_X_TOOLKIT */ |
96db09e4 KH |
2286 | if (!NILP (f->icon_name) |
2287 | && icon.value != XSTRING (f->icon_name)->data) | |
2288 | xfree (icon.value); | |
2289 | if (text.value != XSTRING (name)->data) | |
2290 | xfree (text.value); | |
fe24a618 | 2291 | } |
9ef48a9d | 2292 | #else /* not HAVE_X11R4 */ |
b9dc4443 | 2293 | XSetIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
fe24a618 | 2294 | XSTRING (name)->data); |
b9dc4443 | 2295 | XStoreName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
fe24a618 | 2296 | XSTRING (name)->data); |
9ef48a9d | 2297 | #endif /* not HAVE_X11R4 */ |
01f1ba30 JB |
2298 | UNBLOCK_INPUT; |
2299 | } | |
f945b920 JB |
2300 | } |
2301 | ||
2302 | /* This function should be called when the user's lisp code has | |
2303 | specified a name for the frame; the name will override any set by the | |
2304 | redisplay code. */ | |
2305 | void | |
2306 | x_explicitly_set_name (f, arg, oldval) | |
2307 | FRAME_PTR f; | |
2308 | Lisp_Object arg, oldval; | |
2309 | { | |
2310 | x_set_name (f, arg, 1); | |
2311 | } | |
2312 | ||
2313 | /* This function should be called by Emacs redisplay code to set the | |
2314 | name; names set this way will never override names set by the user's | |
2315 | lisp code. */ | |
25250031 | 2316 | void |
f945b920 JB |
2317 | x_implicitly_set_name (f, arg, oldval) |
2318 | FRAME_PTR f; | |
2319 | Lisp_Object arg, oldval; | |
2320 | { | |
2321 | x_set_name (f, arg, 0); | |
01f1ba30 | 2322 | } |
943b580d RS |
2323 | \f |
2324 | /* Change the title of frame F to NAME. | |
2325 | If NAME is nil, use the frame name as the title. | |
01f1ba30 | 2326 | |
943b580d RS |
2327 | If EXPLICIT is non-zero, that indicates that lisp code is setting the |
2328 | name; if NAME is a string, set F's name to NAME and set | |
2329 | F->explicit_name; if NAME is Qnil, then clear F->explicit_name. | |
2330 | ||
2331 | If EXPLICIT is zero, that indicates that Emacs redisplay code is | |
2332 | suggesting a new name, which lisp code should override; if | |
2333 | F->explicit_name is set, ignore the new name; otherwise, set it. */ | |
2334 | ||
2335 | void | |
d62c8769 | 2336 | x_set_title (f, name, old_name) |
943b580d | 2337 | struct frame *f; |
d62c8769 | 2338 | Lisp_Object name, old_name; |
943b580d RS |
2339 | { |
2340 | /* Don't change the title if it's already NAME. */ | |
2341 | if (EQ (name, f->title)) | |
2342 | return; | |
2343 | ||
2344 | update_mode_lines = 1; | |
2345 | ||
2346 | f->title = name; | |
2347 | ||
2348 | if (NILP (name)) | |
2349 | name = f->name; | |
beb403b3 RS |
2350 | else |
2351 | CHECK_STRING (name, 0); | |
943b580d RS |
2352 | |
2353 | if (FRAME_X_WINDOW (f)) | |
2354 | { | |
2355 | BLOCK_INPUT; | |
2356 | #ifdef HAVE_X11R4 | |
2357 | { | |
2358 | XTextProperty text, icon; | |
d60660d6 | 2359 | int bytes, stringp; |
11270583 | 2360 | Lisp_Object coding_system; |
943b580d | 2361 | |
11270583 KH |
2362 | coding_system = Vlocale_coding_system; |
2363 | if (NILP (coding_system)) | |
2364 | coding_system = Qcompound_text; | |
2365 | text.value = x_encode_text (name, coding_system, &bytes, &stringp); | |
d60660d6 | 2366 | text.encoding = (stringp ? XA_STRING |
96db09e4 | 2367 | : FRAME_X_DISPLAY_INFO (f)->Xatom_COMPOUND_TEXT); |
943b580d | 2368 | text.format = 8; |
96db09e4 | 2369 | text.nitems = bytes; |
943b580d | 2370 | |
96db09e4 KH |
2371 | if (NILP (f->icon_name)) |
2372 | { | |
2373 | icon = text; | |
2374 | } | |
2375 | else | |
2376 | { | |
11270583 | 2377 | icon.value = x_encode_text (f->icon_name, coding_system, |
d60660d6 KH |
2378 | &bytes, &stringp); |
2379 | icon.encoding = (stringp ? XA_STRING | |
96db09e4 KH |
2380 | : FRAME_X_DISPLAY_INFO (f)->Xatom_COMPOUND_TEXT); |
2381 | icon.format = 8; | |
2382 | icon.nitems = bytes; | |
2383 | } | |
943b580d RS |
2384 | #ifdef USE_X_TOOLKIT |
2385 | XSetWMName (FRAME_X_DISPLAY (f), | |
2386 | XtWindow (f->output_data.x->widget), &text); | |
2387 | XSetWMIconName (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget), | |
2388 | &icon); | |
2389 | #else /* not USE_X_TOOLKIT */ | |
2390 | XSetWMName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &text); | |
2391 | XSetWMIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &icon); | |
2392 | #endif /* not USE_X_TOOLKIT */ | |
96db09e4 KH |
2393 | if (!NILP (f->icon_name) |
2394 | && icon.value != XSTRING (f->icon_name)->data) | |
2395 | xfree (icon.value); | |
2396 | if (text.value != XSTRING (name)->data) | |
2397 | xfree (text.value); | |
943b580d RS |
2398 | } |
2399 | #else /* not HAVE_X11R4 */ | |
2400 | XSetIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
2401 | XSTRING (name)->data); | |
2402 | XStoreName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
2403 | XSTRING (name)->data); | |
2404 | #endif /* not HAVE_X11R4 */ | |
2405 | UNBLOCK_INPUT; | |
2406 | } | |
2407 | } | |
2408 | \f | |
01f1ba30 | 2409 | void |
f676886a JB |
2410 | x_set_autoraise (f, arg, oldval) |
2411 | struct frame *f; | |
01f1ba30 JB |
2412 | Lisp_Object arg, oldval; |
2413 | { | |
f676886a | 2414 | f->auto_raise = !EQ (Qnil, arg); |
01f1ba30 JB |
2415 | } |
2416 | ||
2417 | void | |
f676886a JB |
2418 | x_set_autolower (f, arg, oldval) |
2419 | struct frame *f; | |
01f1ba30 JB |
2420 | Lisp_Object arg, oldval; |
2421 | { | |
f676886a | 2422 | f->auto_lower = !EQ (Qnil, arg); |
01f1ba30 | 2423 | } |
179956b9 | 2424 | |
eac358ef KH |
2425 | void |
2426 | x_set_unsplittable (f, arg, oldval) | |
2427 | struct frame *f; | |
2428 | Lisp_Object arg, oldval; | |
2429 | { | |
2430 | f->no_split = !NILP (arg); | |
2431 | } | |
2432 | ||
179956b9 | 2433 | void |
a3c87d4e | 2434 | x_set_vertical_scroll_bars (f, arg, oldval) |
179956b9 JB |
2435 | struct frame *f; |
2436 | Lisp_Object arg, oldval; | |
2437 | { | |
1ab3d87e RS |
2438 | if ((EQ (arg, Qleft) && FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)) |
2439 | || (EQ (arg, Qright) && FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f)) | |
2440 | || (NILP (arg) && FRAME_HAS_VERTICAL_SCROLL_BARS (f)) | |
2441 | || (!NILP (arg) && ! FRAME_HAS_VERTICAL_SCROLL_BARS (f))) | |
179956b9 | 2442 | { |
1ab3d87e RS |
2443 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) |
2444 | = (NILP (arg) | |
2445 | ? vertical_scroll_bar_none | |
2446 | : EQ (Qright, arg) | |
2447 | ? vertical_scroll_bar_right | |
2448 | : vertical_scroll_bar_left); | |
179956b9 | 2449 | |
cf177271 JB |
2450 | /* We set this parameter before creating the X window for the |
2451 | frame, so we can get the geometry right from the start. | |
2452 | However, if the window hasn't been created yet, we shouldn't | |
2453 | call x_set_window_size. */ | |
2454 | if (FRAME_X_WINDOW (f)) | |
363f7e15 | 2455 | x_set_window_size (f, 0, FRAME_WIDTH (f), FRAME_HEIGHT (f)); |
8938a4fb | 2456 | do_pending_window_change (0); |
179956b9 JB |
2457 | } |
2458 | } | |
4701395c KH |
2459 | |
2460 | void | |
2461 | x_set_scroll_bar_width (f, arg, oldval) | |
2462 | struct frame *f; | |
2463 | Lisp_Object arg, oldval; | |
2464 | { | |
a672c74d RS |
2465 | int wid = FONT_WIDTH (f->output_data.x->font); |
2466 | ||
dff9a538 KH |
2467 | if (NILP (arg)) |
2468 | { | |
c6e9d03b GM |
2469 | #ifdef USE_TOOLKIT_SCROLL_BARS |
2470 | /* A minimum width of 14 doesn't look good for toolkit scroll bars. */ | |
333b20bb GM |
2471 | int width = 16 + 2 * VERTICAL_SCROLL_BAR_WIDTH_TRIM; |
2472 | FRAME_SCROLL_BAR_COLS (f) = (width + wid - 1) / wid; | |
2473 | FRAME_SCROLL_BAR_PIXEL_WIDTH (f) = width; | |
2474 | #else | |
2475 | /* Make the actual width at least 14 pixels and a multiple of a | |
2476 | character width. */ | |
a672c74d | 2477 | FRAME_SCROLL_BAR_COLS (f) = (14 + wid - 1) / wid; |
333b20bb GM |
2478 | |
2479 | /* Use all of that space (aside from required margins) for the | |
2480 | scroll bar. */ | |
dff9a538 | 2481 | FRAME_SCROLL_BAR_PIXEL_WIDTH (f) = 0; |
333b20bb | 2482 | #endif |
a672c74d | 2483 | |
a90ab372 RS |
2484 | if (FRAME_X_WINDOW (f)) |
2485 | x_set_window_size (f, 0, FRAME_WIDTH (f), FRAME_HEIGHT (f)); | |
8938a4fb | 2486 | do_pending_window_change (0); |
dff9a538 KH |
2487 | } |
2488 | else if (INTEGERP (arg) && XINT (arg) > 0 | |
2489 | && XFASTINT (arg) != FRAME_SCROLL_BAR_PIXEL_WIDTH (f)) | |
4701395c | 2490 | { |
09d8c7ac RS |
2491 | if (XFASTINT (arg) <= 2 * VERTICAL_SCROLL_BAR_WIDTH_TRIM) |
2492 | XSETINT (arg, 2 * VERTICAL_SCROLL_BAR_WIDTH_TRIM + 1); | |
0a26b136 | 2493 | |
4701395c KH |
2494 | FRAME_SCROLL_BAR_PIXEL_WIDTH (f) = XFASTINT (arg); |
2495 | FRAME_SCROLL_BAR_COLS (f) = (XFASTINT (arg) + wid-1) / wid; | |
2496 | if (FRAME_X_WINDOW (f)) | |
2497 | x_set_window_size (f, 0, FRAME_WIDTH (f), FRAME_HEIGHT (f)); | |
2498 | } | |
dca97592 | 2499 | |
8938a4fb | 2500 | change_frame_size (f, 0, FRAME_WIDTH (f), 0, 0, 0); |
333b20bb GM |
2501 | XWINDOW (FRAME_SELECTED_WINDOW (f))->cursor.hpos = 0; |
2502 | XWINDOW (FRAME_SELECTED_WINDOW (f))->cursor.x = 0; | |
4701395c | 2503 | } |
333b20bb GM |
2504 | |
2505 | ||
01f1ba30 | 2506 | \f |
f676886a | 2507 | /* Subroutines of creating an X frame. */ |
01f1ba30 | 2508 | |
b7975ee4 KH |
2509 | /* Make sure that Vx_resource_name is set to a reasonable value. |
2510 | Fix it up, or set it to `emacs' if it is too hopeless. */ | |
2511 | ||
d387c960 JB |
2512 | static void |
2513 | validate_x_resource_name () | |
2514 | { | |
333b20bb | 2515 | int len = 0; |
0e78b377 RS |
2516 | /* Number of valid characters in the resource name. */ |
2517 | int good_count = 0; | |
2518 | /* Number of invalid characters in the resource name. */ | |
2519 | int bad_count = 0; | |
2520 | Lisp_Object new; | |
2521 | int i; | |
2522 | ||
498e9ac3 RS |
2523 | if (!STRINGP (Vx_resource_class)) |
2524 | Vx_resource_class = build_string (EMACS_CLASS); | |
2525 | ||
cf204347 RS |
2526 | if (STRINGP (Vx_resource_name)) |
2527 | { | |
cf204347 RS |
2528 | unsigned char *p = XSTRING (Vx_resource_name)->data; |
2529 | int i; | |
2530 | ||
fc932ac6 | 2531 | len = STRING_BYTES (XSTRING (Vx_resource_name)); |
0e78b377 RS |
2532 | |
2533 | /* Only letters, digits, - and _ are valid in resource names. | |
2534 | Count the valid characters and count the invalid ones. */ | |
cf204347 RS |
2535 | for (i = 0; i < len; i++) |
2536 | { | |
2537 | int c = p[i]; | |
2538 | if (! ((c >= 'a' && c <= 'z') | |
2539 | || (c >= 'A' && c <= 'Z') | |
2540 | || (c >= '0' && c <= '9') | |
2541 | || c == '-' || c == '_')) | |
0e78b377 RS |
2542 | bad_count++; |
2543 | else | |
2544 | good_count++; | |
cf204347 RS |
2545 | } |
2546 | } | |
2547 | else | |
0e78b377 RS |
2548 | /* Not a string => completely invalid. */ |
2549 | bad_count = 5, good_count = 0; | |
2550 | ||
2551 | /* If name is valid already, return. */ | |
2552 | if (bad_count == 0) | |
2553 | return; | |
2554 | ||
2555 | /* If name is entirely invalid, or nearly so, use `emacs'. */ | |
2556 | if (good_count == 0 | |
2557 | || (good_count == 1 && bad_count > 0)) | |
2558 | { | |
b7975ee4 | 2559 | Vx_resource_name = build_string ("emacs"); |
0e78b377 RS |
2560 | return; |
2561 | } | |
2562 | ||
2563 | /* Name is partly valid. Copy it and replace the invalid characters | |
2564 | with underscores. */ | |
2565 | ||
2566 | Vx_resource_name = new = Fcopy_sequence (Vx_resource_name); | |
2567 | ||
2568 | for (i = 0; i < len; i++) | |
2569 | { | |
2570 | int c = XSTRING (new)->data[i]; | |
2571 | if (! ((c >= 'a' && c <= 'z') | |
2572 | || (c >= 'A' && c <= 'Z') | |
2573 | || (c >= '0' && c <= '9') | |
2574 | || c == '-' || c == '_')) | |
2575 | XSTRING (new)->data[i] = '_'; | |
2576 | } | |
d387c960 JB |
2577 | } |
2578 | ||
2579 | ||
01f1ba30 | 2580 | extern char *x_get_string_resource (); |
01f1ba30 | 2581 | |
cf177271 JB |
2582 | DEFUN ("x-get-resource", Fx_get_resource, Sx_get_resource, 2, 4, 0, |
2583 | "Return the value of ATTRIBUTE, of class CLASS, from the X defaults database.\n\ | |
287e500d | 2584 | This uses `INSTANCE.ATTRIBUTE' as the key and `Emacs.CLASS' as the\n\ |
d387c960 JB |
2585 | class, where INSTANCE is the name under which Emacs was invoked, or\n\ |
2586 | the name specified by the `-name' or `-rn' command-line arguments.\n\ | |
01f1ba30 | 2587 | \n\ |
8fabe6f4 RS |
2588 | The optional arguments COMPONENT and SUBCLASS add to the key and the\n\ |
2589 | class, respectively. You must specify both of them or neither.\n\ | |
287e500d RS |
2590 | If you specify them, the key is `INSTANCE.COMPONENT.ATTRIBUTE'\n\ |
2591 | and the class is `Emacs.CLASS.SUBCLASS'.") | |
cf177271 JB |
2592 | (attribute, class, component, subclass) |
2593 | Lisp_Object attribute, class, component, subclass; | |
01f1ba30 JB |
2594 | { |
2595 | register char *value; | |
2596 | char *name_key; | |
2597 | char *class_key; | |
2598 | ||
11ae94fe RS |
2599 | check_x (); |
2600 | ||
01f1ba30 | 2601 | CHECK_STRING (attribute, 0); |
cf177271 JB |
2602 | CHECK_STRING (class, 0); |
2603 | ||
8fabe6f4 RS |
2604 | if (!NILP (component)) |
2605 | CHECK_STRING (component, 1); | |
2606 | if (!NILP (subclass)) | |
2607 | CHECK_STRING (subclass, 2); | |
2608 | if (NILP (component) != NILP (subclass)) | |
2609 | error ("x-get-resource: must specify both COMPONENT and SUBCLASS or neither"); | |
2610 | ||
d387c960 JB |
2611 | validate_x_resource_name (); |
2612 | ||
b7975ee4 KH |
2613 | /* Allocate space for the components, the dots which separate them, |
2614 | and the final '\0'. Make them big enough for the worst case. */ | |
fc932ac6 | 2615 | name_key = (char *) alloca (STRING_BYTES (XSTRING (Vx_resource_name)) |
b7975ee4 | 2616 | + (STRINGP (component) |
fc932ac6 RS |
2617 | ? STRING_BYTES (XSTRING (component)) : 0) |
2618 | + STRING_BYTES (XSTRING (attribute)) | |
b7975ee4 KH |
2619 | + 3); |
2620 | ||
fc932ac6 RS |
2621 | class_key = (char *) alloca (STRING_BYTES (XSTRING (Vx_resource_class)) |
2622 | + STRING_BYTES (XSTRING (class)) | |
b7975ee4 | 2623 | + (STRINGP (subclass) |
fc932ac6 | 2624 | ? STRING_BYTES (XSTRING (subclass)) : 0) |
b7975ee4 KH |
2625 | + 3); |
2626 | ||
2627 | /* Start with emacs.FRAMENAME for the name (the specific one) | |
2628 | and with `Emacs' for the class key (the general one). */ | |
2629 | strcpy (name_key, XSTRING (Vx_resource_name)->data); | |
498e9ac3 | 2630 | strcpy (class_key, XSTRING (Vx_resource_class)->data); |
b7975ee4 KH |
2631 | |
2632 | strcat (class_key, "."); | |
2633 | strcat (class_key, XSTRING (class)->data); | |
2634 | ||
2635 | if (!NILP (component)) | |
01f1ba30 | 2636 | { |
b7975ee4 KH |
2637 | strcat (class_key, "."); |
2638 | strcat (class_key, XSTRING (subclass)->data); | |
2639 | ||
2640 | strcat (name_key, "."); | |
2641 | strcat (name_key, XSTRING (component)->data); | |
01f1ba30 JB |
2642 | } |
2643 | ||
b7975ee4 KH |
2644 | strcat (name_key, "."); |
2645 | strcat (name_key, XSTRING (attribute)->data); | |
2646 | ||
b9dc4443 RS |
2647 | value = x_get_string_resource (check_x_display_info (Qnil)->xrdb, |
2648 | name_key, class_key); | |
01f1ba30 JB |
2649 | |
2650 | if (value != (char *) 0) | |
2651 | return build_string (value); | |
2652 | else | |
2653 | return Qnil; | |
2654 | } | |
2655 | ||
abb4b7ec RS |
2656 | /* Get an X resource, like Fx_get_resource, but for display DPYINFO. */ |
2657 | ||
333b20bb | 2658 | Lisp_Object |
abb4b7ec RS |
2659 | display_x_get_resource (dpyinfo, attribute, class, component, subclass) |
2660 | struct x_display_info *dpyinfo; | |
2661 | Lisp_Object attribute, class, component, subclass; | |
2662 | { | |
2663 | register char *value; | |
2664 | char *name_key; | |
2665 | char *class_key; | |
2666 | ||
abb4b7ec RS |
2667 | CHECK_STRING (attribute, 0); |
2668 | CHECK_STRING (class, 0); | |
2669 | ||
2670 | if (!NILP (component)) | |
2671 | CHECK_STRING (component, 1); | |
2672 | if (!NILP (subclass)) | |
2673 | CHECK_STRING (subclass, 2); | |
2674 | if (NILP (component) != NILP (subclass)) | |
2675 | error ("x-get-resource: must specify both COMPONENT and SUBCLASS or neither"); | |
2676 | ||
2677 | validate_x_resource_name (); | |
2678 | ||
2679 | /* Allocate space for the components, the dots which separate them, | |
2680 | and the final '\0'. Make them big enough for the worst case. */ | |
fc932ac6 | 2681 | name_key = (char *) alloca (STRING_BYTES (XSTRING (Vx_resource_name)) |
abb4b7ec | 2682 | + (STRINGP (component) |
fc932ac6 RS |
2683 | ? STRING_BYTES (XSTRING (component)) : 0) |
2684 | + STRING_BYTES (XSTRING (attribute)) | |
abb4b7ec RS |
2685 | + 3); |
2686 | ||
fc932ac6 RS |
2687 | class_key = (char *) alloca (STRING_BYTES (XSTRING (Vx_resource_class)) |
2688 | + STRING_BYTES (XSTRING (class)) | |
abb4b7ec | 2689 | + (STRINGP (subclass) |
fc932ac6 | 2690 | ? STRING_BYTES (XSTRING (subclass)) : 0) |
abb4b7ec RS |
2691 | + 3); |
2692 | ||
2693 | /* Start with emacs.FRAMENAME for the name (the specific one) | |
2694 | and with `Emacs' for the class key (the general one). */ | |
2695 | strcpy (name_key, XSTRING (Vx_resource_name)->data); | |
2696 | strcpy (class_key, XSTRING (Vx_resource_class)->data); | |
2697 | ||
2698 | strcat (class_key, "."); | |
2699 | strcat (class_key, XSTRING (class)->data); | |
2700 | ||
2701 | if (!NILP (component)) | |
2702 | { | |
2703 | strcat (class_key, "."); | |
2704 | strcat (class_key, XSTRING (subclass)->data); | |
2705 | ||
2706 | strcat (name_key, "."); | |
2707 | strcat (name_key, XSTRING (component)->data); | |
2708 | } | |
2709 | ||
2710 | strcat (name_key, "."); | |
2711 | strcat (name_key, XSTRING (attribute)->data); | |
2712 | ||
2713 | value = x_get_string_resource (dpyinfo->xrdb, name_key, class_key); | |
2714 | ||
2715 | if (value != (char *) 0) | |
2716 | return build_string (value); | |
2717 | else | |
2718 | return Qnil; | |
2719 | } | |
2720 | ||
3402e1a4 RS |
2721 | /* Used when C code wants a resource value. */ |
2722 | ||
2723 | char * | |
2724 | x_get_resource_string (attribute, class) | |
2725 | char *attribute, *class; | |
2726 | { | |
3402e1a4 RS |
2727 | char *name_key; |
2728 | char *class_key; | |
0fe92f72 | 2729 | struct frame *sf = SELECTED_FRAME (); |
3402e1a4 RS |
2730 | |
2731 | /* Allocate space for the components, the dots which separate them, | |
2732 | and the final '\0'. */ | |
fc932ac6 | 2733 | name_key = (char *) alloca (STRING_BYTES (XSTRING (Vinvocation_name)) |
3402e1a4 RS |
2734 | + strlen (attribute) + 2); |
2735 | class_key = (char *) alloca ((sizeof (EMACS_CLASS) - 1) | |
2736 | + strlen (class) + 2); | |
2737 | ||
2738 | sprintf (name_key, "%s.%s", | |
2739 | XSTRING (Vinvocation_name)->data, | |
2740 | attribute); | |
2741 | sprintf (class_key, "%s.%s", EMACS_CLASS, class); | |
2742 | ||
0fe92f72 | 2743 | return x_get_string_resource (FRAME_X_DISPLAY_INFO (sf)->xrdb, |
b9dc4443 | 2744 | name_key, class_key); |
3402e1a4 RS |
2745 | } |
2746 | ||
60fb3ee1 JB |
2747 | /* Types we might convert a resource string into. */ |
2748 | enum resource_types | |
333b20bb GM |
2749 | { |
2750 | RES_TYPE_NUMBER, | |
d62c8769 | 2751 | RES_TYPE_FLOAT, |
333b20bb GM |
2752 | RES_TYPE_BOOLEAN, |
2753 | RES_TYPE_STRING, | |
2754 | RES_TYPE_SYMBOL | |
2755 | }; | |
60fb3ee1 | 2756 | |
01f1ba30 | 2757 | /* Return the value of parameter PARAM. |
60fb3ee1 | 2758 | |
f676886a | 2759 | First search ALIST, then Vdefault_frame_alist, then the X defaults |
cf177271 | 2760 | database, using ATTRIBUTE as the attribute name and CLASS as its class. |
60fb3ee1 JB |
2761 | |
2762 | Convert the resource to the type specified by desired_type. | |
2763 | ||
f9942c9e JB |
2764 | If no default is specified, return Qunbound. If you call |
2765 | x_get_arg, make sure you deal with Qunbound in a reasonable way, | |
a59e4f3d | 2766 | and don't let it get stored in any Lisp-visible variables! */ |
01f1ba30 JB |
2767 | |
2768 | static Lisp_Object | |
abb4b7ec RS |
2769 | x_get_arg (dpyinfo, alist, param, attribute, class, type) |
2770 | struct x_display_info *dpyinfo; | |
3c254570 | 2771 | Lisp_Object alist, param; |
60fb3ee1 | 2772 | char *attribute; |
cf177271 | 2773 | char *class; |
60fb3ee1 | 2774 | enum resource_types type; |
01f1ba30 JB |
2775 | { |
2776 | register Lisp_Object tem; | |
2777 | ||
2778 | tem = Fassq (param, alist); | |
2779 | if (EQ (tem, Qnil)) | |
f676886a | 2780 | tem = Fassq (param, Vdefault_frame_alist); |
f9942c9e | 2781 | if (EQ (tem, Qnil)) |
01f1ba30 | 2782 | { |
60fb3ee1 | 2783 | |
f9942c9e | 2784 | if (attribute) |
60fb3ee1 | 2785 | { |
abb4b7ec RS |
2786 | tem = display_x_get_resource (dpyinfo, |
2787 | build_string (attribute), | |
2788 | build_string (class), | |
2789 | Qnil, Qnil); | |
f9942c9e JB |
2790 | |
2791 | if (NILP (tem)) | |
2792 | return Qunbound; | |
2793 | ||
2794 | switch (type) | |
2795 | { | |
333b20bb | 2796 | case RES_TYPE_NUMBER: |
f9942c9e JB |
2797 | return make_number (atoi (XSTRING (tem)->data)); |
2798 | ||
d62c8769 GM |
2799 | case RES_TYPE_FLOAT: |
2800 | return make_float (atof (XSTRING (tem)->data)); | |
2801 | ||
333b20bb | 2802 | case RES_TYPE_BOOLEAN: |
f9942c9e JB |
2803 | tem = Fdowncase (tem); |
2804 | if (!strcmp (XSTRING (tem)->data, "on") | |
2805 | || !strcmp (XSTRING (tem)->data, "true")) | |
2806 | return Qt; | |
2807 | else | |
2808 | return Qnil; | |
2809 | ||
333b20bb | 2810 | case RES_TYPE_STRING: |
f9942c9e JB |
2811 | return tem; |
2812 | ||
333b20bb | 2813 | case RES_TYPE_SYMBOL: |
49795535 JB |
2814 | /* As a special case, we map the values `true' and `on' |
2815 | to Qt, and `false' and `off' to Qnil. */ | |
2816 | { | |
98381190 KH |
2817 | Lisp_Object lower; |
2818 | lower = Fdowncase (tem); | |
26ae6b61 KH |
2819 | if (!strcmp (XSTRING (lower)->data, "on") |
2820 | || !strcmp (XSTRING (lower)->data, "true")) | |
49795535 | 2821 | return Qt; |
26ae6b61 KH |
2822 | else if (!strcmp (XSTRING (lower)->data, "off") |
2823 | || !strcmp (XSTRING (lower)->data, "false")) | |
49795535 JB |
2824 | return Qnil; |
2825 | else | |
89032215 | 2826 | return Fintern (tem, Qnil); |
49795535 | 2827 | } |
f945b920 | 2828 | |
f9942c9e JB |
2829 | default: |
2830 | abort (); | |
2831 | } | |
60fb3ee1 | 2832 | } |
f9942c9e JB |
2833 | else |
2834 | return Qunbound; | |
01f1ba30 JB |
2835 | } |
2836 | return Fcdr (tem); | |
2837 | } | |
2838 | ||
e4f79258 RS |
2839 | /* Like x_get_arg, but also record the value in f->param_alist. */ |
2840 | ||
2841 | static Lisp_Object | |
2842 | x_get_and_record_arg (f, alist, param, attribute, class, type) | |
2843 | struct frame *f; | |
2844 | Lisp_Object alist, param; | |
2845 | char *attribute; | |
2846 | char *class; | |
2847 | enum resource_types type; | |
2848 | { | |
2849 | Lisp_Object value; | |
2850 | ||
abb4b7ec RS |
2851 | value = x_get_arg (FRAME_X_DISPLAY_INFO (f), alist, param, |
2852 | attribute, class, type); | |
e4f79258 RS |
2853 | if (! NILP (value)) |
2854 | store_frame_param (f, param, value); | |
2855 | ||
2856 | return value; | |
2857 | } | |
2858 | ||
f676886a | 2859 | /* Record in frame F the specified or default value according to ALIST |
e8cc313b KH |
2860 | of the parameter named PROP (a Lisp symbol). |
2861 | If no value is specified for PROP, look for an X default for XPROP | |
f676886a | 2862 | on the frame named NAME. |
01f1ba30 JB |
2863 | If that is not found either, use the value DEFLT. */ |
2864 | ||
2865 | static Lisp_Object | |
cf177271 | 2866 | x_default_parameter (f, alist, prop, deflt, xprop, xclass, type) |
f676886a | 2867 | struct frame *f; |
01f1ba30 | 2868 | Lisp_Object alist; |
f9942c9e | 2869 | Lisp_Object prop; |
01f1ba30 JB |
2870 | Lisp_Object deflt; |
2871 | char *xprop; | |
cf177271 | 2872 | char *xclass; |
60fb3ee1 | 2873 | enum resource_types type; |
01f1ba30 | 2874 | { |
01f1ba30 JB |
2875 | Lisp_Object tem; |
2876 | ||
abb4b7ec | 2877 | tem = x_get_arg (FRAME_X_DISPLAY_INFO (f), alist, prop, xprop, xclass, type); |
f9942c9e | 2878 | if (EQ (tem, Qunbound)) |
01f1ba30 | 2879 | tem = deflt; |
f9942c9e | 2880 | x_set_frame_parameters (f, Fcons (Fcons (prop, tem), Qnil)); |
01f1ba30 JB |
2881 | return tem; |
2882 | } | |
333b20bb GM |
2883 | |
2884 | ||
2885 | /* Record in frame F the specified or default value according to ALIST | |
2886 | of the parameter named PROP (a Lisp symbol). If no value is | |
2887 | specified for PROP, look for an X default for XPROP on the frame | |
2888 | named NAME. If that is not found either, use the value DEFLT. */ | |
2889 | ||
2890 | static Lisp_Object | |
2891 | x_default_scroll_bar_color_parameter (f, alist, prop, xprop, xclass, | |
2892 | foreground_p) | |
2893 | struct frame *f; | |
2894 | Lisp_Object alist; | |
2895 | Lisp_Object prop; | |
2896 | char *xprop; | |
2897 | char *xclass; | |
2898 | int foreground_p; | |
2899 | { | |
2900 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
2901 | Lisp_Object tem; | |
2902 | ||
2903 | tem = x_get_arg (dpyinfo, alist, prop, xprop, xclass, RES_TYPE_STRING); | |
2904 | if (EQ (tem, Qunbound)) | |
2905 | { | |
2906 | #ifdef USE_TOOLKIT_SCROLL_BARS | |
2907 | ||
2908 | /* See if an X resource for the scroll bar color has been | |
2909 | specified. */ | |
2910 | tem = display_x_get_resource (dpyinfo, | |
2911 | build_string (foreground_p | |
2912 | ? "foreground" | |
2913 | : "background"), | |
2914 | build_string (""), | |
2915 | build_string ("verticalScrollBar"), | |
2916 | build_string ("")); | |
2917 | if (!STRINGP (tem)) | |
2918 | { | |
2919 | /* If nothing has been specified, scroll bars will use a | |
2920 | toolkit-dependent default. Because these defaults are | |
2921 | difficult to get at without actually creating a scroll | |
2922 | bar, use nil to indicate that no color has been | |
2923 | specified. */ | |
2924 | tem = Qnil; | |
2925 | } | |
2926 | ||
2927 | #else /* not USE_TOOLKIT_SCROLL_BARS */ | |
2928 | ||
2929 | tem = Qnil; | |
2930 | ||
2931 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ | |
2932 | } | |
2933 | ||
2934 | x_set_frame_parameters (f, Fcons (Fcons (prop, tem), Qnil)); | |
2935 | return tem; | |
2936 | } | |
2937 | ||
2938 | ||
01f1ba30 | 2939 | \f |
8af1d7ca | 2940 | DEFUN ("x-parse-geometry", Fx_parse_geometry, Sx_parse_geometry, 1, 1, 0, |
01f1ba30 | 2941 | "Parse an X-style geometry string STRING.\n\ |
f83f10ba RS |
2942 | Returns an alist of the form ((top . TOP), (left . LEFT) ... ).\n\ |
2943 | The properties returned may include `top', `left', `height', and `width'.\n\ | |
e1d962d7 RS |
2944 | The value of `left' or `top' may be an integer,\n\ |
2945 | or a list (+ N) meaning N pixels relative to top/left corner,\n\ | |
2946 | or a list (- N) meaning -N pixels relative to bottom/right corner.") | |
01f1ba30 | 2947 | (string) |
a6605e5c | 2948 | Lisp_Object string; |
01f1ba30 JB |
2949 | { |
2950 | int geometry, x, y; | |
2951 | unsigned int width, height; | |
f83f10ba | 2952 | Lisp_Object result; |
01f1ba30 JB |
2953 | |
2954 | CHECK_STRING (string, 0); | |
2955 | ||
2956 | geometry = XParseGeometry ((char *) XSTRING (string)->data, | |
2957 | &x, &y, &width, &height); | |
2958 | ||
f83f10ba RS |
2959 | #if 0 |
2960 | if (!!(geometry & XValue) != !!(geometry & YValue)) | |
2961 | error ("Must specify both x and y position, or neither"); | |
2962 | #endif | |
2963 | ||
2964 | result = Qnil; | |
2965 | if (geometry & XValue) | |
01f1ba30 | 2966 | { |
f83f10ba RS |
2967 | Lisp_Object element; |
2968 | ||
e1d962d7 RS |
2969 | if (x >= 0 && (geometry & XNegative)) |
2970 | element = Fcons (Qleft, Fcons (Qminus, Fcons (make_number (-x), Qnil))); | |
2971 | else if (x < 0 && ! (geometry & XNegative)) | |
2972 | element = Fcons (Qleft, Fcons (Qplus, Fcons (make_number (x), Qnil))); | |
f83f10ba RS |
2973 | else |
2974 | element = Fcons (Qleft, make_number (x)); | |
2975 | result = Fcons (element, result); | |
2976 | } | |
2977 | ||
2978 | if (geometry & YValue) | |
2979 | { | |
2980 | Lisp_Object element; | |
2981 | ||
e1d962d7 RS |
2982 | if (y >= 0 && (geometry & YNegative)) |
2983 | element = Fcons (Qtop, Fcons (Qminus, Fcons (make_number (-y), Qnil))); | |
2984 | else if (y < 0 && ! (geometry & YNegative)) | |
2985 | element = Fcons (Qtop, Fcons (Qplus, Fcons (make_number (y), Qnil))); | |
f83f10ba RS |
2986 | else |
2987 | element = Fcons (Qtop, make_number (y)); | |
2988 | result = Fcons (element, result); | |
01f1ba30 | 2989 | } |
f83f10ba RS |
2990 | |
2991 | if (geometry & WidthValue) | |
2992 | result = Fcons (Fcons (Qwidth, make_number (width)), result); | |
2993 | if (geometry & HeightValue) | |
2994 | result = Fcons (Fcons (Qheight, make_number (height)), result); | |
2995 | ||
2996 | return result; | |
01f1ba30 JB |
2997 | } |
2998 | ||
01f1ba30 | 2999 | /* Calculate the desired size and position of this window, |
f83f10ba | 3000 | and return the flags saying which aspects were specified. |
8fc2766b RS |
3001 | |
3002 | This function does not make the coordinates positive. */ | |
01f1ba30 JB |
3003 | |
3004 | #define DEFAULT_ROWS 40 | |
3005 | #define DEFAULT_COLS 80 | |
3006 | ||
f9942c9e | 3007 | static int |
f676886a JB |
3008 | x_figure_window_size (f, parms) |
3009 | struct frame *f; | |
01f1ba30 JB |
3010 | Lisp_Object parms; |
3011 | { | |
4fe1de12 | 3012 | register Lisp_Object tem0, tem1, tem2; |
01f1ba30 | 3013 | long window_prompting = 0; |
abb4b7ec | 3014 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
01f1ba30 JB |
3015 | |
3016 | /* Default values if we fall through. | |
3017 | Actually, if that happens we should get | |
b9dc4443 | 3018 | window manager prompting. */ |
1ab3d87e | 3019 | SET_FRAME_WIDTH (f, DEFAULT_COLS); |
f676886a | 3020 | f->height = DEFAULT_ROWS; |
bd0b85c3 RS |
3021 | /* Window managers expect that if program-specified |
3022 | positions are not (0,0), they're intentional, not defaults. */ | |
7556890b RS |
3023 | f->output_data.x->top_pos = 0; |
3024 | f->output_data.x->left_pos = 0; | |
01f1ba30 | 3025 | |
333b20bb GM |
3026 | tem0 = x_get_arg (dpyinfo, parms, Qheight, 0, 0, RES_TYPE_NUMBER); |
3027 | tem1 = x_get_arg (dpyinfo, parms, Qwidth, 0, 0, RES_TYPE_NUMBER); | |
3028 | tem2 = x_get_arg (dpyinfo, parms, Quser_size, 0, 0, RES_TYPE_NUMBER); | |
f83f10ba | 3029 | if (! EQ (tem0, Qunbound) || ! EQ (tem1, Qunbound)) |
01f1ba30 | 3030 | { |
f83f10ba RS |
3031 | if (!EQ (tem0, Qunbound)) |
3032 | { | |
3033 | CHECK_NUMBER (tem0, 0); | |
3034 | f->height = XINT (tem0); | |
3035 | } | |
3036 | if (!EQ (tem1, Qunbound)) | |
3037 | { | |
3038 | CHECK_NUMBER (tem1, 0); | |
1ab3d87e | 3039 | SET_FRAME_WIDTH (f, XINT (tem1)); |
f83f10ba RS |
3040 | } |
3041 | if (!NILP (tem2) && !EQ (tem2, Qunbound)) | |
4fe1de12 RS |
3042 | window_prompting |= USSize; |
3043 | else | |
3044 | window_prompting |= PSize; | |
01f1ba30 | 3045 | } |
01f1ba30 | 3046 | |
7556890b | 3047 | f->output_data.x->vertical_scroll_bar_extra |
a444c70b KH |
3048 | = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f) |
3049 | ? 0 | |
7556890b | 3050 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.x->font))); |
333b20bb | 3051 | f->output_data.x->flags_areas_extra |
fb5ec9ce | 3052 | = FRAME_FLAGS_AREA_WIDTH (f); |
7556890b RS |
3053 | f->output_data.x->pixel_width = CHAR_TO_PIXEL_WIDTH (f, f->width); |
3054 | f->output_data.x->pixel_height = CHAR_TO_PIXEL_HEIGHT (f, f->height); | |
01f1ba30 | 3055 | |
333b20bb GM |
3056 | tem0 = x_get_arg (dpyinfo, parms, Qtop, 0, 0, RES_TYPE_NUMBER); |
3057 | tem1 = x_get_arg (dpyinfo, parms, Qleft, 0, 0, RES_TYPE_NUMBER); | |
3058 | tem2 = x_get_arg (dpyinfo, parms, Quser_position, 0, 0, RES_TYPE_NUMBER); | |
f83f10ba | 3059 | if (! EQ (tem0, Qunbound) || ! EQ (tem1, Qunbound)) |
01f1ba30 | 3060 | { |
f83f10ba RS |
3061 | if (EQ (tem0, Qminus)) |
3062 | { | |
7556890b | 3063 | f->output_data.x->top_pos = 0; |
f83f10ba RS |
3064 | window_prompting |= YNegative; |
3065 | } | |
8e713be6 KR |
3066 | else if (CONSP (tem0) && EQ (XCAR (tem0), Qminus) |
3067 | && CONSP (XCDR (tem0)) | |
3068 | && INTEGERP (XCAR (XCDR (tem0)))) | |
e1d962d7 | 3069 | { |
8e713be6 | 3070 | f->output_data.x->top_pos = - XINT (XCAR (XCDR (tem0))); |
e1d962d7 RS |
3071 | window_prompting |= YNegative; |
3072 | } | |
8e713be6 KR |
3073 | else if (CONSP (tem0) && EQ (XCAR (tem0), Qplus) |
3074 | && CONSP (XCDR (tem0)) | |
3075 | && INTEGERP (XCAR (XCDR (tem0)))) | |
e1d962d7 | 3076 | { |
8e713be6 | 3077 | f->output_data.x->top_pos = XINT (XCAR (XCDR (tem0))); |
e1d962d7 | 3078 | } |
f83f10ba | 3079 | else if (EQ (tem0, Qunbound)) |
7556890b | 3080 | f->output_data.x->top_pos = 0; |
f83f10ba RS |
3081 | else |
3082 | { | |
3083 | CHECK_NUMBER (tem0, 0); | |
7556890b RS |
3084 | f->output_data.x->top_pos = XINT (tem0); |
3085 | if (f->output_data.x->top_pos < 0) | |
f83f10ba RS |
3086 | window_prompting |= YNegative; |
3087 | } | |
3088 | ||
3089 | if (EQ (tem1, Qminus)) | |
3090 | { | |
7556890b | 3091 | f->output_data.x->left_pos = 0; |
f83f10ba RS |
3092 | window_prompting |= XNegative; |
3093 | } | |
8e713be6 KR |
3094 | else if (CONSP (tem1) && EQ (XCAR (tem1), Qminus) |
3095 | && CONSP (XCDR (tem1)) | |
3096 | && INTEGERP (XCAR (XCDR (tem1)))) | |
e1d962d7 | 3097 | { |
8e713be6 | 3098 | f->output_data.x->left_pos = - XINT (XCAR (XCDR (tem1))); |
e1d962d7 RS |
3099 | window_prompting |= XNegative; |
3100 | } | |
8e713be6 KR |
3101 | else if (CONSP (tem1) && EQ (XCAR (tem1), Qplus) |
3102 | && CONSP (XCDR (tem1)) | |
3103 | && INTEGERP (XCAR (XCDR (tem1)))) | |
e1d962d7 | 3104 | { |
8e713be6 | 3105 | f->output_data.x->left_pos = XINT (XCAR (XCDR (tem1))); |
e1d962d7 | 3106 | } |
f83f10ba | 3107 | else if (EQ (tem1, Qunbound)) |
7556890b | 3108 | f->output_data.x->left_pos = 0; |
f83f10ba RS |
3109 | else |
3110 | { | |
3111 | CHECK_NUMBER (tem1, 0); | |
7556890b RS |
3112 | f->output_data.x->left_pos = XINT (tem1); |
3113 | if (f->output_data.x->left_pos < 0) | |
f83f10ba RS |
3114 | window_prompting |= XNegative; |
3115 | } | |
3116 | ||
c3724dc2 | 3117 | if (!NILP (tem2) && ! EQ (tem2, Qunbound)) |
4fe1de12 RS |
3118 | window_prompting |= USPosition; |
3119 | else | |
3120 | window_prompting |= PPosition; | |
01f1ba30 | 3121 | } |
f83f10ba | 3122 | |
739f2f53 | 3123 | return window_prompting; |
01f1ba30 JB |
3124 | } |
3125 | ||
f58534a3 RS |
3126 | #if !defined (HAVE_X11R4) && !defined (HAVE_XSETWMPROTOCOLS) |
3127 | ||
3128 | Status | |
3129 | XSetWMProtocols (dpy, w, protocols, count) | |
3130 | Display *dpy; | |
3131 | Window w; | |
3132 | Atom *protocols; | |
3133 | int count; | |
3134 | { | |
3135 | Atom prop; | |
3136 | prop = XInternAtom (dpy, "WM_PROTOCOLS", False); | |
3137 | if (prop == None) return False; | |
3138 | XChangeProperty (dpy, w, prop, XA_ATOM, 32, PropModeReplace, | |
3139 | (unsigned char *) protocols, count); | |
3140 | return True; | |
3141 | } | |
9ef48a9d RS |
3142 | #endif /* not HAVE_X11R4 && not HAVE_XSETWMPROTOCOLS */ |
3143 | \f | |
3144 | #ifdef USE_X_TOOLKIT | |
3145 | ||
8e3d10a9 RS |
3146 | /* If the WM_PROTOCOLS property does not already contain WM_TAKE_FOCUS, |
3147 | WM_DELETE_WINDOW, and WM_SAVE_YOURSELF, then add them. (They may | |
59aa6c90 RS |
3148 | already be present because of the toolkit (Motif adds some of them, |
3149 | for example, but Xt doesn't). */ | |
9ef48a9d RS |
3150 | |
3151 | static void | |
b9dc4443 RS |
3152 | hack_wm_protocols (f, widget) |
3153 | FRAME_PTR f; | |
9ef48a9d RS |
3154 | Widget widget; |
3155 | { | |
3156 | Display *dpy = XtDisplay (widget); | |
3157 | Window w = XtWindow (widget); | |
3158 | int need_delete = 1; | |
3159 | int need_focus = 1; | |
59aa6c90 | 3160 | int need_save = 1; |
9ef48a9d RS |
3161 | |
3162 | BLOCK_INPUT; | |
3163 | { | |
3164 | Atom type, *atoms = 0; | |
3165 | int format = 0; | |
3166 | unsigned long nitems = 0; | |
3167 | unsigned long bytes_after; | |
3168 | ||
270958e8 KH |
3169 | if ((XGetWindowProperty (dpy, w, |
3170 | FRAME_X_DISPLAY_INFO (f)->Xatom_wm_protocols, | |
34d5ae1e | 3171 | (long)0, (long)100, False, XA_ATOM, |
270958e8 KH |
3172 | &type, &format, &nitems, &bytes_after, |
3173 | (unsigned char **) &atoms) | |
3174 | == Success) | |
9ef48a9d RS |
3175 | && format == 32 && type == XA_ATOM) |
3176 | while (nitems > 0) | |
3177 | { | |
3178 | nitems--; | |
b9dc4443 RS |
3179 | if (atoms[nitems] == FRAME_X_DISPLAY_INFO (f)->Xatom_wm_delete_window) |
3180 | need_delete = 0; | |
3181 | else if (atoms[nitems] == FRAME_X_DISPLAY_INFO (f)->Xatom_wm_take_focus) | |
3182 | need_focus = 0; | |
3183 | else if (atoms[nitems] == FRAME_X_DISPLAY_INFO (f)->Xatom_wm_save_yourself) | |
3184 | need_save = 0; | |
9ef48a9d RS |
3185 | } |
3186 | if (atoms) XFree ((char *) atoms); | |
3187 | } | |
3188 | { | |
3189 | Atom props [10]; | |
3190 | int count = 0; | |
b9dc4443 RS |
3191 | if (need_delete) |
3192 | props[count++] = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_delete_window; | |
3193 | if (need_focus) | |
3194 | props[count++] = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_take_focus; | |
3195 | if (need_save) | |
3196 | props[count++] = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_save_yourself; | |
9ef48a9d | 3197 | if (count) |
b9dc4443 RS |
3198 | XChangeProperty (dpy, w, FRAME_X_DISPLAY_INFO (f)->Xatom_wm_protocols, |
3199 | XA_ATOM, 32, PropModeAppend, | |
9ef48a9d RS |
3200 | (unsigned char *) props, count); |
3201 | } | |
3202 | UNBLOCK_INPUT; | |
3203 | } | |
3204 | #endif | |
86779fac GM |
3205 | |
3206 | ||
5a7df7d7 GM |
3207 | \f |
3208 | /* Support routines for XIC (X Input Context). */ | |
86779fac | 3209 | |
5a7df7d7 GM |
3210 | #ifdef HAVE_X_I18N |
3211 | ||
3212 | static XFontSet xic_create_xfontset P_ ((struct frame *, char *)); | |
3213 | static XIMStyle best_xim_style P_ ((XIMStyles *, XIMStyles *)); | |
3214 | ||
3215 | ||
3216 | /* Supported XIM styles, ordered by preferenc. */ | |
3217 | ||
3218 | static XIMStyle supported_xim_styles[] = | |
3219 | { | |
3220 | XIMPreeditPosition | XIMStatusArea, | |
3221 | XIMPreeditPosition | XIMStatusNothing, | |
3222 | XIMPreeditPosition | XIMStatusNone, | |
3223 | XIMPreeditNothing | XIMStatusArea, | |
3224 | XIMPreeditNothing | XIMStatusNothing, | |
3225 | XIMPreeditNothing | XIMStatusNone, | |
3226 | XIMPreeditNone | XIMStatusArea, | |
3227 | XIMPreeditNone | XIMStatusNothing, | |
3228 | XIMPreeditNone | XIMStatusNone, | |
3229 | 0, | |
3230 | }; | |
3231 | ||
3232 | ||
3233 | /* Create an X fontset on frame F with base font name | |
3234 | BASE_FONTNAME.. */ | |
3235 | ||
3236 | static XFontSet | |
3237 | xic_create_xfontset (f, base_fontname) | |
86779fac | 3238 | struct frame *f; |
5a7df7d7 | 3239 | char *base_fontname; |
86779fac | 3240 | { |
5a7df7d7 GM |
3241 | XFontSet xfs; |
3242 | char **missing_list; | |
3243 | int missing_count; | |
3244 | char *def_string; | |
86779fac | 3245 | |
5a7df7d7 GM |
3246 | xfs = XCreateFontSet (FRAME_X_DISPLAY (f), |
3247 | base_fontname, &missing_list, | |
3248 | &missing_count, &def_string); | |
3249 | if (missing_list) | |
3250 | XFreeStringList (missing_list); | |
3251 | ||
3252 | /* No need to free def_string. */ | |
3253 | return xfs; | |
3254 | } | |
3255 | ||
3256 | ||
3257 | /* Value is the best input style, given user preferences USER (already | |
3258 | checked to be supported by Emacs), and styles supported by the | |
3259 | input method XIM. */ | |
3260 | ||
3261 | static XIMStyle | |
3262 | best_xim_style (user, xim) | |
3263 | XIMStyles *user; | |
3264 | XIMStyles *xim; | |
3265 | { | |
3266 | int i, j; | |
3267 | ||
3268 | for (i = 0; i < user->count_styles; ++i) | |
3269 | for (j = 0; j < xim->count_styles; ++j) | |
3270 | if (user->supported_styles[i] == xim->supported_styles[j]) | |
3271 | return user->supported_styles[i]; | |
3272 | ||
3273 | /* Return the default style. */ | |
3274 | return XIMPreeditNothing | XIMStatusNothing; | |
3275 | } | |
3276 | ||
3277 | /* Create XIC for frame F. */ | |
3278 | ||
5df79d3d GM |
3279 | static XIMStyle xic_style; |
3280 | ||
5a7df7d7 GM |
3281 | void |
3282 | create_frame_xic (f) | |
3283 | struct frame *f; | |
3284 | { | |
5a7df7d7 GM |
3285 | XIM xim; |
3286 | XIC xic = NULL; | |
3287 | XFontSet xfs = NULL; | |
86779fac | 3288 | |
5a7df7d7 GM |
3289 | if (FRAME_XIC (f)) |
3290 | return; | |
3291 | ||
3292 | xim = FRAME_X_XIM (f); | |
3293 | if (xim) | |
3294 | { | |
d9d57cb2 DL |
3295 | XRectangle s_area; |
3296 | XPoint spot; | |
5a7df7d7 GM |
3297 | XVaNestedList preedit_attr; |
3298 | XVaNestedList status_attr; | |
3299 | char *base_fontname; | |
3300 | int fontset; | |
3301 | ||
d9d57cb2 DL |
3302 | s_area.x = 0; s_area.y = 0; s_area.width = 1; s_area.height = 1; |
3303 | spot.x = 0; spot.y = 1; | |
5a7df7d7 GM |
3304 | /* Create X fontset. */ |
3305 | fontset = FRAME_FONTSET (f); | |
3306 | if (fontset < 0) | |
3307 | base_fontname = "-*-*-*-r-normal--14-*-*-*-*-*-*-*"; | |
3308 | else | |
3309 | { | |
6ecb43ce KH |
3310 | /* Determine the base fontname from the ASCII font name of |
3311 | FONTSET. */ | |
3312 | char *ascii_font = (char *) XSTRING (fontset_ascii (fontset))->data; | |
3313 | char *p = ascii_font; | |
5a7df7d7 | 3314 | int i; |
6ecb43ce KH |
3315 | |
3316 | for (i = 0; *p; p++) | |
3317 | if (*p == '-') i++; | |
3318 | if (i != 14) | |
3319 | /* As the font name doesn't conform to XLFD, we can't | |
3320 | modify it to get a suitable base fontname for the | |
3321 | frame. */ | |
3322 | base_fontname = "-*-*-*-r-normal--14-*-*-*-*-*-*-*"; | |
3323 | else | |
3324 | { | |
3325 | int len = strlen (ascii_font) + 1; | |
8ec8a5ec | 3326 | char *p1 = NULL; |
6ecb43ce KH |
3327 | |
3328 | for (i = 0, p = ascii_font; i < 8; p++) | |
3329 | { | |
3330 | if (*p == '-') | |
3331 | { | |
3332 | i++; | |
3333 | if (i == 3) | |
3334 | p1 = p + 1; | |
3335 | } | |
3336 | } | |
3337 | base_fontname = (char *) alloca (len); | |
3338 | bzero (base_fontname, len); | |
3339 | strcpy (base_fontname, "-*-*-"); | |
3340 | bcopy (p1, base_fontname + 5, p - p1); | |
3341 | strcat (base_fontname, "*-*-*-*-*-*-*"); | |
3342 | } | |
5a7df7d7 GM |
3343 | } |
3344 | xfs = xic_create_xfontset (f, base_fontname); | |
86779fac | 3345 | |
5a7df7d7 GM |
3346 | /* Determine XIC style. */ |
3347 | if (xic_style == 0) | |
3348 | { | |
3349 | XIMStyles supported_list; | |
3350 | supported_list.count_styles = (sizeof supported_xim_styles | |
3351 | / sizeof supported_xim_styles[0]); | |
3352 | supported_list.supported_styles = supported_xim_styles; | |
3353 | xic_style = best_xim_style (&supported_list, | |
3354 | FRAME_X_XIM_STYLES (f)); | |
3355 | } | |
86779fac | 3356 | |
5a7df7d7 GM |
3357 | preedit_attr = XVaCreateNestedList (0, |
3358 | XNFontSet, xfs, | |
3359 | XNForeground, | |
3360 | FRAME_FOREGROUND_PIXEL (f), | |
3361 | XNBackground, | |
3362 | FRAME_BACKGROUND_PIXEL (f), | |
3363 | (xic_style & XIMPreeditPosition | |
3364 | ? XNSpotLocation | |
3365 | : NULL), | |
3366 | &spot, | |
3367 | NULL); | |
3368 | status_attr = XVaCreateNestedList (0, | |
3369 | XNArea, | |
3370 | &s_area, | |
3371 | XNFontSet, | |
3372 | xfs, | |
3373 | XNForeground, | |
3374 | FRAME_FOREGROUND_PIXEL (f), | |
3375 | XNBackground, | |
3376 | FRAME_BACKGROUND_PIXEL (f), | |
3377 | NULL); | |
3378 | ||
3379 | xic = XCreateIC (xim, | |
3380 | XNInputStyle, xic_style, | |
3381 | XNClientWindow, FRAME_X_WINDOW(f), | |
3382 | XNFocusWindow, FRAME_X_WINDOW(f), | |
3383 | XNStatusAttributes, status_attr, | |
3384 | XNPreeditAttributes, preedit_attr, | |
3385 | NULL); | |
3386 | XFree (preedit_attr); | |
3387 | XFree (status_attr); | |
3388 | } | |
3389 | ||
3390 | FRAME_XIC (f) = xic; | |
3391 | FRAME_XIC_STYLE (f) = xic_style; | |
3392 | FRAME_XIC_FONTSET (f) = xfs; | |
86779fac GM |
3393 | } |
3394 | ||
5a7df7d7 GM |
3395 | |
3396 | /* Destroy XIC and free XIC fontset of frame F, if any. */ | |
3397 | ||
3398 | void | |
3399 | free_frame_xic (f) | |
3400 | struct frame *f; | |
3401 | { | |
3402 | if (FRAME_XIC (f) == NULL) | |
3403 | return; | |
3404 | ||
3405 | XDestroyIC (FRAME_XIC (f)); | |
3406 | if (FRAME_XIC_FONTSET (f)) | |
3407 | XFreeFontSet (FRAME_X_DISPLAY (f), FRAME_XIC_FONTSET (f)); | |
3408 | ||
3409 | FRAME_XIC (f) = NULL; | |
3410 | FRAME_XIC_FONTSET (f) = NULL; | |
3411 | } | |
3412 | ||
3413 | ||
3414 | /* Place preedit area for XIC of window W's frame to specified | |
3415 | pixel position X/Y. X and Y are relative to window W. */ | |
3416 | ||
3417 | void | |
3418 | xic_set_preeditarea (w, x, y) | |
3419 | struct window *w; | |
3420 | int x, y; | |
3421 | { | |
3422 | struct frame *f = XFRAME (w->frame); | |
3423 | XVaNestedList attr; | |
3424 | XPoint spot; | |
3425 | ||
3426 | spot.x = WINDOW_TO_FRAME_PIXEL_X (w, x); | |
3427 | spot.y = WINDOW_TO_FRAME_PIXEL_Y (w, y) + FONT_BASE (FRAME_FONT (f)); | |
3428 | attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL); | |
3429 | XSetICValues (FRAME_XIC (f), XNPreeditAttributes, attr, NULL); | |
3430 | XFree (attr); | |
3431 | } | |
3432 | ||
3433 | ||
3434 | /* Place status area for XIC in bottom right corner of frame F.. */ | |
3435 | ||
3436 | void | |
3437 | xic_set_statusarea (f) | |
3438 | struct frame *f; | |
3439 | { | |
3440 | XIC xic = FRAME_XIC (f); | |
3441 | XVaNestedList attr; | |
3442 | XRectangle area; | |
3443 | XRectangle *needed; | |
3444 | ||
3445 | /* Negotiate geometry of status area. If input method has existing | |
3446 | status area, use its current size. */ | |
3447 | area.x = area.y = area.width = area.height = 0; | |
3448 | attr = XVaCreateNestedList (0, XNAreaNeeded, &area, NULL); | |
3449 | XSetICValues (xic, XNStatusAttributes, attr, NULL); | |
3450 | XFree (attr); | |
3451 | ||
3452 | attr = XVaCreateNestedList (0, XNAreaNeeded, &needed, NULL); | |
3453 | XGetICValues (xic, XNStatusAttributes, attr, NULL); | |
3454 | XFree (attr); | |
3455 | ||
3456 | if (needed->width == 0) /* Use XNArea instead of XNAreaNeeded */ | |
3457 | { | |
3458 | attr = XVaCreateNestedList (0, XNArea, &needed, NULL); | |
3459 | XGetICValues (xic, XNStatusAttributes, attr, NULL); | |
3460 | XFree (attr); | |
3461 | } | |
3462 | ||
3463 | area.width = needed->width; | |
3464 | area.height = needed->height; | |
3465 | area.x = PIXEL_WIDTH (f) - area.width - FRAME_INTERNAL_BORDER_WIDTH (f); | |
3466 | area.y = (PIXEL_HEIGHT (f) - area.height | |
3467 | - FRAME_MENUBAR_HEIGHT (f) - FRAME_INTERNAL_BORDER_WIDTH (f)); | |
3468 | XFree (needed); | |
3469 | ||
3470 | attr = XVaCreateNestedList (0, XNArea, &area, NULL); | |
3471 | XSetICValues(xic, XNStatusAttributes, attr, NULL); | |
3472 | XFree (attr); | |
3473 | } | |
3474 | ||
3475 | ||
3476 | /* Set X fontset for XIC of frame F, using base font name | |
3477 | BASE_FONTNAME. Called when a new Emacs fontset is chosen. */ | |
3478 | ||
3479 | void | |
3480 | xic_set_xfontset (f, base_fontname) | |
3481 | struct frame *f; | |
3482 | char *base_fontname; | |
3483 | { | |
3484 | XVaNestedList attr; | |
3485 | XFontSet xfs; | |
3486 | ||
3487 | xfs = xic_create_xfontset (f, base_fontname); | |
3488 | ||
3489 | attr = XVaCreateNestedList (0, XNFontSet, xfs, NULL); | |
3490 | if (FRAME_XIC_STYLE (f) & XIMPreeditPosition) | |
3491 | XSetICValues (FRAME_XIC (f), XNPreeditAttributes, attr, NULL); | |
3492 | if (FRAME_XIC_STYLE (f) & XIMStatusArea) | |
3493 | XSetICValues (FRAME_XIC (f), XNStatusAttributes, attr, NULL); | |
3494 | XFree (attr); | |
3495 | ||
3496 | if (FRAME_XIC_FONTSET (f)) | |
3497 | XFreeFontSet (FRAME_X_DISPLAY (f), FRAME_XIC_FONTSET (f)); | |
3498 | FRAME_XIC_FONTSET (f) = xfs; | |
3499 | } | |
3500 | ||
3501 | #endif /* HAVE_X_I18N */ | |
3502 | ||
3503 | ||
9ef48a9d | 3504 | \f |
8fc2766b RS |
3505 | #ifdef USE_X_TOOLKIT |
3506 | ||
3507 | /* Create and set up the X widget for frame F. */ | |
f58534a3 | 3508 | |
01f1ba30 | 3509 | static void |
a7f7d550 FP |
3510 | x_window (f, window_prompting, minibuffer_only) |
3511 | struct frame *f; | |
3512 | long window_prompting; | |
3513 | int minibuffer_only; | |
01f1ba30 | 3514 | { |
9ef48a9d | 3515 | XClassHint class_hints; |
31ac8d8c FP |
3516 | XSetWindowAttributes attributes; |
3517 | unsigned long attribute_mask; | |
9ef48a9d RS |
3518 | Widget shell_widget; |
3519 | Widget pane_widget; | |
6c32dd68 | 3520 | Widget frame_widget; |
9ef48a9d RS |
3521 | Arg al [25]; |
3522 | int ac; | |
3523 | ||
3524 | BLOCK_INPUT; | |
3525 | ||
b7975ee4 KH |
3526 | /* Use the resource name as the top-level widget name |
3527 | for looking up resources. Make a non-Lisp copy | |
3528 | for the window manager, so GC relocation won't bother it. | |
3529 | ||
3530 | Elsewhere we specify the window name for the window manager. */ | |
3531 | ||
cca176a0 | 3532 | { |
b7975ee4 KH |
3533 | char *str = (char *) XSTRING (Vx_resource_name)->data; |
3534 | f->namebuf = (char *) xmalloc (strlen (str) + 1); | |
cca176a0 KH |
3535 | strcpy (f->namebuf, str); |
3536 | } | |
9ef48a9d RS |
3537 | |
3538 | ac = 0; | |
3539 | XtSetArg (al[ac], XtNallowShellResize, 1); ac++; | |
3540 | XtSetArg (al[ac], XtNinput, 1); ac++; | |
97787173 | 3541 | XtSetArg (al[ac], XtNmappedWhenManaged, 0); ac++; |
7556890b | 3542 | XtSetArg (al[ac], XtNborderWidth, f->output_data.x->border_width); ac++; |
9b2956e2 GM |
3543 | XtSetArg (al[ac], XtNvisual, FRAME_X_VISUAL (f)); ac++; |
3544 | XtSetArg (al[ac], XtNdepth, FRAME_X_DISPLAY_INFO (f)->n_planes); ac++; | |
3545 | XtSetArg (al[ac], XtNcolormap, FRAME_X_COLORMAP (f)); ac++; | |
cca176a0 | 3546 | shell_widget = XtAppCreateShell (f->namebuf, EMACS_CLASS, |
7a994728 | 3547 | applicationShellWidgetClass, |
82c90203 | 3548 | FRAME_X_DISPLAY (f), al, ac); |
9ef48a9d | 3549 | |
7556890b | 3550 | f->output_data.x->widget = shell_widget; |
9ef48a9d RS |
3551 | /* maybe_set_screen_title_format (shell_widget); */ |
3552 | ||
6c32dd68 PR |
3553 | pane_widget = lw_create_widget ("main", "pane", widget_id_tick++, |
3554 | (widget_value *) NULL, | |
3555 | shell_widget, False, | |
3556 | (lw_callback) NULL, | |
3557 | (lw_callback) NULL, | |
b6e11efd | 3558 | (lw_callback) NULL, |
6c32dd68 | 3559 | (lw_callback) NULL); |
9ef48a9d | 3560 | |
9b2956e2 GM |
3561 | ac = 0; |
3562 | XtSetArg (al[ac], XtNvisual, FRAME_X_VISUAL (f)); ac++; | |
3563 | XtSetArg (al[ac], XtNdepth, FRAME_X_DISPLAY_INFO (f)->n_planes); ac++; | |
3564 | XtSetArg (al[ac], XtNcolormap, FRAME_X_COLORMAP (f)); ac++; | |
3565 | XtSetValues (pane_widget, al, ac); | |
7556890b | 3566 | f->output_data.x->column_widget = pane_widget; |
a7f7d550 | 3567 | |
9ef48a9d | 3568 | /* mappedWhenManaged to false tells to the paned window to not map/unmap |
5e65b9ab | 3569 | the emacs screen when changing menubar. This reduces flickering. */ |
9ef48a9d RS |
3570 | |
3571 | ac = 0; | |
3572 | XtSetArg (al[ac], XtNmappedWhenManaged, 0); ac++; | |
3573 | XtSetArg (al[ac], XtNshowGrip, 0); ac++; | |
3574 | XtSetArg (al[ac], XtNallowResize, 1); ac++; | |
3575 | XtSetArg (al[ac], XtNresizeToPreferred, 1); ac++; | |
3576 | XtSetArg (al[ac], XtNemacsFrame, f); ac++; | |
9b2956e2 GM |
3577 | XtSetArg (al[ac], XtNvisual, FRAME_X_VISUAL (f)); ac++; |
3578 | XtSetArg (al[ac], XtNdepth, FRAME_X_DISPLAY_INFO (f)->n_planes); ac++; | |
3579 | XtSetArg (al[ac], XtNcolormap, FRAME_X_COLORMAP (f)); ac++; | |
3580 | frame_widget = XtCreateWidget (f->namebuf, emacsFrameClass, pane_widget, | |
3581 | al, ac); | |
9ef48a9d | 3582 | |
7556890b | 3583 | f->output_data.x->edit_widget = frame_widget; |
9ef48a9d | 3584 | |
6c32dd68 | 3585 | XtManageChild (frame_widget); |
a7f7d550 FP |
3586 | |
3587 | /* Do some needed geometry management. */ | |
3588 | { | |
3589 | int len; | |
3590 | char *tem, shell_position[32]; | |
3591 | Arg al[2]; | |
3592 | int ac = 0; | |
5031cc10 | 3593 | int extra_borders = 0; |
8fc2766b | 3594 | int menubar_size |
7556890b RS |
3595 | = (f->output_data.x->menubar_widget |
3596 | ? (f->output_data.x->menubar_widget->core.height | |
3597 | + f->output_data.x->menubar_widget->core.border_width) | |
8fc2766b | 3598 | : 0); |
a7f7d550 | 3599 | |
f7008aff RS |
3600 | #if 0 /* Experimentally, we now get the right results |
3601 | for -geometry -0-0 without this. 24 Aug 96, rms. */ | |
01cbdba5 RS |
3602 | if (FRAME_EXTERNAL_MENU_BAR (f)) |
3603 | { | |
dd254b21 | 3604 | Dimension ibw = 0; |
01cbdba5 RS |
3605 | XtVaGetValues (pane_widget, XtNinternalBorderWidth, &ibw, NULL); |
3606 | menubar_size += ibw; | |
3607 | } | |
f7008aff | 3608 | #endif |
01cbdba5 | 3609 | |
7556890b | 3610 | f->output_data.x->menubar_height = menubar_size; |
00983aba | 3611 | |
440b0bfd | 3612 | #ifndef USE_LUCID |
5031cc10 KH |
3613 | /* Motif seems to need this amount added to the sizes |
3614 | specified for the shell widget. The Athena/Lucid widgets don't. | |
3615 | Both conclusions reached experimentally. -- rms. */ | |
440b0bfd RS |
3616 | XtVaGetValues (f->output_data.x->edit_widget, XtNinternalBorderWidth, |
3617 | &extra_borders, NULL); | |
3618 | extra_borders *= 2; | |
3619 | #endif | |
5031cc10 | 3620 | |
97787173 RS |
3621 | /* Convert our geometry parameters into a geometry string |
3622 | and specify it. | |
3623 | Note that we do not specify here whether the position | |
3624 | is a user-specified or program-specified one. | |
3625 | We pass that information later, in x_wm_set_size_hints. */ | |
3626 | { | |
7556890b | 3627 | int left = f->output_data.x->left_pos; |
97787173 | 3628 | int xneg = window_prompting & XNegative; |
7556890b | 3629 | int top = f->output_data.x->top_pos; |
97787173 RS |
3630 | int yneg = window_prompting & YNegative; |
3631 | if (xneg) | |
3632 | left = -left; | |
3633 | if (yneg) | |
3634 | top = -top; | |
c760f47e KH |
3635 | |
3636 | if (window_prompting & USPosition) | |
5031cc10 KH |
3637 | sprintf (shell_position, "=%dx%d%c%d%c%d", |
3638 | PIXEL_WIDTH (f) + extra_borders, | |
3639 | PIXEL_HEIGHT (f) + menubar_size + extra_borders, | |
c760f47e KH |
3640 | (xneg ? '-' : '+'), left, |
3641 | (yneg ? '-' : '+'), top); | |
3642 | else | |
5031cc10 KH |
3643 | sprintf (shell_position, "=%dx%d", |
3644 | PIXEL_WIDTH (f) + extra_borders, | |
3645 | PIXEL_HEIGHT (f) + menubar_size + extra_borders); | |
97787173 RS |
3646 | } |
3647 | ||
a7f7d550 | 3648 | len = strlen (shell_position) + 1; |
77110caa RS |
3649 | /* We don't free this because we don't know whether |
3650 | it is safe to free it while the frame exists. | |
3651 | It isn't worth the trouble of arranging to free it | |
3652 | when the frame is deleted. */ | |
a7f7d550 FP |
3653 | tem = (char *) xmalloc (len); |
3654 | strncpy (tem, shell_position, len); | |
3655 | XtSetArg (al[ac], XtNgeometry, tem); ac++; | |
3656 | XtSetValues (shell_widget, al, ac); | |
3657 | } | |
3658 | ||
9ef48a9d RS |
3659 | XtManageChild (pane_widget); |
3660 | XtRealizeWidget (shell_widget); | |
3661 | ||
6c32dd68 | 3662 | FRAME_X_WINDOW (f) = XtWindow (frame_widget); |
9ef48a9d RS |
3663 | |
3664 | validate_x_resource_name (); | |
b7975ee4 | 3665 | |
9ef48a9d | 3666 | class_hints.res_name = (char *) XSTRING (Vx_resource_name)->data; |
498e9ac3 | 3667 | class_hints.res_class = (char *) XSTRING (Vx_resource_class)->data; |
b9dc4443 | 3668 | XSetClassHint (FRAME_X_DISPLAY (f), XtWindow (shell_widget), &class_hints); |
5a7df7d7 GM |
3669 | |
3670 | #ifdef HAVE_X_I18N | |
3671 | FRAME_XIC (f) = NULL; | |
4bd777b8 | 3672 | #ifdef USE_XIM |
5a7df7d7 | 3673 | create_frame_xic (f); |
4bd777b8 | 3674 | #endif |
5a7df7d7 | 3675 | #endif |
64d16748 | 3676 | |
7556890b RS |
3677 | f->output_data.x->wm_hints.input = True; |
3678 | f->output_data.x->wm_hints.flags |= InputHint; | |
b9dc4443 | 3679 | XSetWMHints (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 3680 | &f->output_data.x->wm_hints); |
b8228beb | 3681 | |
c4ec904f | 3682 | hack_wm_protocols (f, shell_widget); |
9ef48a9d | 3683 | |
6c32dd68 PR |
3684 | #ifdef HACK_EDITRES |
3685 | XtAddEventHandler (shell_widget, 0, True, _XEditResCheckMessages, 0); | |
3686 | #endif | |
3687 | ||
9ef48a9d | 3688 | /* Do a stupid property change to force the server to generate a |
333b20bb | 3689 | PropertyNotify event so that the event_stream server timestamp will |
9ef48a9d RS |
3690 | be initialized to something relevant to the time we created the window. |
3691 | */ | |
6c32dd68 | 3692 | XChangeProperty (XtDisplay (frame_widget), XtWindow (frame_widget), |
b9dc4443 RS |
3693 | FRAME_X_DISPLAY_INFO (f)->Xatom_wm_protocols, |
3694 | XA_ATOM, 32, PropModeAppend, | |
9ef48a9d RS |
3695 | (unsigned char*) NULL, 0); |
3696 | ||
5a7df7d7 | 3697 | /* Make all the standard events reach the Emacs frame. */ |
31ac8d8c | 3698 | attributes.event_mask = STANDARD_EVENT_SET; |
5a7df7d7 GM |
3699 | |
3700 | #ifdef HAVE_X_I18N | |
3701 | if (FRAME_XIC (f)) | |
3702 | { | |
3703 | /* XIM server might require some X events. */ | |
3704 | unsigned long fevent = NoEventMask; | |
3705 | XGetICValues(FRAME_XIC (f), XNFilterEvents, &fevent, NULL); | |
3706 | attributes.event_mask |= fevent; | |
3707 | } | |
3708 | #endif /* HAVE_X_I18N */ | |
3709 | ||
31ac8d8c FP |
3710 | attribute_mask = CWEventMask; |
3711 | XChangeWindowAttributes (XtDisplay (shell_widget), XtWindow (shell_widget), | |
3712 | attribute_mask, &attributes); | |
3713 | ||
6c32dd68 | 3714 | XtMapWidget (frame_widget); |
9ef48a9d | 3715 | |
8fc2766b RS |
3716 | /* x_set_name normally ignores requests to set the name if the |
3717 | requested name is the same as the current name. This is the one | |
3718 | place where that assumption isn't correct; f->name is set, but | |
3719 | the X server hasn't been told. */ | |
3720 | { | |
3721 | Lisp_Object name; | |
3722 | int explicit = f->explicit_name; | |
3723 | ||
3724 | f->explicit_name = 0; | |
3725 | name = f->name; | |
3726 | f->name = Qnil; | |
3727 | x_set_name (f, name, explicit); | |
3728 | } | |
3729 | ||
b9dc4443 | 3730 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 3731 | f->output_data.x->text_cursor); |
8fc2766b RS |
3732 | |
3733 | UNBLOCK_INPUT; | |
3734 | ||
495fa05e GM |
3735 | /* This is a no-op, except under Motif. Make sure main areas are |
3736 | set to something reasonable, in case we get an error later. */ | |
3737 | lw_set_main_areas (pane_widget, 0, frame_widget); | |
8fc2766b RS |
3738 | } |
3739 | ||
9ef48a9d RS |
3740 | #else /* not USE_X_TOOLKIT */ |
3741 | ||
8fc2766b RS |
3742 | /* Create and set up the X window for frame F. */ |
3743 | ||
201d8c78 | 3744 | void |
8fc2766b RS |
3745 | x_window (f) |
3746 | struct frame *f; | |
3747 | ||
3748 | { | |
3749 | XClassHint class_hints; | |
3750 | XSetWindowAttributes attributes; | |
3751 | unsigned long attribute_mask; | |
3752 | ||
7556890b RS |
3753 | attributes.background_pixel = f->output_data.x->background_pixel; |
3754 | attributes.border_pixel = f->output_data.x->border_pixel; | |
01f1ba30 JB |
3755 | attributes.bit_gravity = StaticGravity; |
3756 | attributes.backing_store = NotUseful; | |
3757 | attributes.save_under = True; | |
3758 | attributes.event_mask = STANDARD_EVENT_SET; | |
9b2956e2 GM |
3759 | attributes.colormap = FRAME_X_COLORMAP (f); |
3760 | attribute_mask = (CWBackPixel | CWBorderPixel | CWBitGravity | CWEventMask | |
3761 | | CWColormap); | |
01f1ba30 JB |
3762 | |
3763 | BLOCK_INPUT; | |
fe24a618 | 3764 | FRAME_X_WINDOW (f) |
b9dc4443 | 3765 | = XCreateWindow (FRAME_X_DISPLAY (f), |
7556890b RS |
3766 | f->output_data.x->parent_desc, |
3767 | f->output_data.x->left_pos, | |
3768 | f->output_data.x->top_pos, | |
f676886a | 3769 | PIXEL_WIDTH (f), PIXEL_HEIGHT (f), |
7556890b | 3770 | f->output_data.x->border_width, |
01f1ba30 JB |
3771 | CopyFromParent, /* depth */ |
3772 | InputOutput, /* class */ | |
383d6ffc | 3773 | FRAME_X_VISUAL (f), |
01f1ba30 | 3774 | attribute_mask, &attributes); |
5a7df7d7 GM |
3775 | |
3776 | #ifdef HAVE_X_I18N | |
4bd777b8 | 3777 | #ifdef USE_XIM |
5a7df7d7 GM |
3778 | create_frame_xic (f); |
3779 | if (FRAME_XIC (f)) | |
3780 | { | |
3781 | /* XIM server might require some X events. */ | |
3782 | unsigned long fevent = NoEventMask; | |
3783 | XGetICValues(FRAME_XIC (f), XNFilterEvents, &fevent, NULL); | |
3784 | attributes.event_mask |= fevent; | |
3785 | attribute_mask = CWEventMask; | |
3786 | XChangeWindowAttributes (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
3787 | attribute_mask, &attributes); | |
3788 | } | |
4bd777b8 | 3789 | #endif |
5a7df7d7 GM |
3790 | #endif /* HAVE_X_I18N */ |
3791 | ||
d387c960 | 3792 | validate_x_resource_name (); |
b7975ee4 | 3793 | |
d387c960 | 3794 | class_hints.res_name = (char *) XSTRING (Vx_resource_name)->data; |
498e9ac3 | 3795 | class_hints.res_class = (char *) XSTRING (Vx_resource_class)->data; |
b9dc4443 | 3796 | XSetClassHint (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &class_hints); |
01f1ba30 | 3797 | |
00983aba KH |
3798 | /* The menubar is part of the ordinary display; |
3799 | it does not count in addition to the height of the window. */ | |
7556890b | 3800 | f->output_data.x->menubar_height = 0; |
00983aba | 3801 | |
179956b9 JB |
3802 | /* This indicates that we use the "Passive Input" input model. |
3803 | Unless we do this, we don't get the Focus{In,Out} events that we | |
3804 | need to draw the cursor correctly. Accursed bureaucrats. | |
b9dc4443 | 3805 | XWhipsAndChains (FRAME_X_DISPLAY (f), IronMaiden, &TheRack); */ |
179956b9 | 3806 | |
7556890b RS |
3807 | f->output_data.x->wm_hints.input = True; |
3808 | f->output_data.x->wm_hints.flags |= InputHint; | |
b9dc4443 | 3809 | XSetWMHints (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 3810 | &f->output_data.x->wm_hints); |
6d078211 | 3811 | f->output_data.x->wm_hints.icon_pixmap = None; |
179956b9 | 3812 | |
032e4ebe RS |
3813 | /* Request "save yourself" and "delete window" commands from wm. */ |
3814 | { | |
3815 | Atom protocols[2]; | |
b9dc4443 RS |
3816 | protocols[0] = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_delete_window; |
3817 | protocols[1] = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_save_yourself; | |
3818 | XSetWMProtocols (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), protocols, 2); | |
032e4ebe | 3819 | } |
9ef48a9d | 3820 | |
e373f201 JB |
3821 | /* x_set_name normally ignores requests to set the name if the |
3822 | requested name is the same as the current name. This is the one | |
3823 | place where that assumption isn't correct; f->name is set, but | |
3824 | the X server hasn't been told. */ | |
3825 | { | |
98381190 | 3826 | Lisp_Object name; |
cf177271 | 3827 | int explicit = f->explicit_name; |
e373f201 | 3828 | |
cf177271 | 3829 | f->explicit_name = 0; |
98381190 KH |
3830 | name = f->name; |
3831 | f->name = Qnil; | |
cf177271 | 3832 | x_set_name (f, name, explicit); |
e373f201 JB |
3833 | } |
3834 | ||
b9dc4443 | 3835 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 3836 | f->output_data.x->text_cursor); |
9ef48a9d | 3837 | |
01f1ba30 JB |
3838 | UNBLOCK_INPUT; |
3839 | ||
fe24a618 | 3840 | if (FRAME_X_WINDOW (f) == 0) |
9ef48a9d | 3841 | error ("Unable to create window"); |
01f1ba30 JB |
3842 | } |
3843 | ||
8fc2766b RS |
3844 | #endif /* not USE_X_TOOLKIT */ |
3845 | ||
01f1ba30 JB |
3846 | /* Handle the icon stuff for this window. Perhaps later we might |
3847 | want an x_set_icon_position which can be called interactively as | |
b9dc4443 | 3848 | well. */ |
01f1ba30 JB |
3849 | |
3850 | static void | |
f676886a JB |
3851 | x_icon (f, parms) |
3852 | struct frame *f; | |
01f1ba30 JB |
3853 | Lisp_Object parms; |
3854 | { | |
f9942c9e | 3855 | Lisp_Object icon_x, icon_y; |
abb4b7ec | 3856 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
01f1ba30 JB |
3857 | |
3858 | /* Set the position of the icon. Note that twm groups all | |
b9dc4443 | 3859 | icons in an icon window. */ |
333b20bb GM |
3860 | icon_x = x_get_and_record_arg (f, parms, Qicon_left, 0, 0, RES_TYPE_NUMBER); |
3861 | icon_y = x_get_and_record_arg (f, parms, Qicon_top, 0, 0, RES_TYPE_NUMBER); | |
f9942c9e | 3862 | if (!EQ (icon_x, Qunbound) && !EQ (icon_y, Qunbound)) |
01f1ba30 | 3863 | { |
f9942c9e JB |
3864 | CHECK_NUMBER (icon_x, 0); |
3865 | CHECK_NUMBER (icon_y, 0); | |
01f1ba30 | 3866 | } |
f9942c9e | 3867 | else if (!EQ (icon_x, Qunbound) || !EQ (icon_y, Qunbound)) |
01f1ba30 | 3868 | error ("Both left and top icon corners of icon must be specified"); |
01f1ba30 | 3869 | |
f9942c9e JB |
3870 | BLOCK_INPUT; |
3871 | ||
fe24a618 JB |
3872 | if (! EQ (icon_x, Qunbound)) |
3873 | x_wm_set_icon_position (f, XINT (icon_x), XINT (icon_y)); | |
f9942c9e | 3874 | |
01f1ba30 | 3875 | /* Start up iconic or window? */ |
49795535 | 3876 | x_wm_set_window_state |
333b20bb GM |
3877 | (f, (EQ (x_get_arg (dpyinfo, parms, Qvisibility, 0, 0, RES_TYPE_SYMBOL), |
3878 | Qicon) | |
49795535 JB |
3879 | ? IconicState |
3880 | : NormalState)); | |
01f1ba30 | 3881 | |
f468da95 RS |
3882 | x_text_icon (f, (char *) XSTRING ((!NILP (f->icon_name) |
3883 | ? f->icon_name | |
3884 | : f->name))->data); | |
80534dd6 | 3885 | |
01f1ba30 JB |
3886 | UNBLOCK_INPUT; |
3887 | } | |
3888 | ||
b243755a | 3889 | /* Make the GCs needed for this window, setting the |
01f1ba30 JB |
3890 | background, border and mouse colors; also create the |
3891 | mouse cursor and the gray border tile. */ | |
3892 | ||
f945b920 JB |
3893 | static char cursor_bits[] = |
3894 | { | |
3895 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
3896 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
3897 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
3898 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | |
3899 | }; | |
3900 | ||
01f1ba30 | 3901 | static void |
f676886a JB |
3902 | x_make_gc (f) |
3903 | struct frame *f; | |
01f1ba30 JB |
3904 | { |
3905 | XGCValues gc_values; | |
01f1ba30 | 3906 | |
6afb1d07 JB |
3907 | BLOCK_INPUT; |
3908 | ||
b243755a | 3909 | /* Create the GCs of this frame. |
9ef48a9d | 3910 | Note that many default values are used. */ |
01f1ba30 JB |
3911 | |
3912 | /* Normal video */ | |
7556890b RS |
3913 | gc_values.font = f->output_data.x->font->fid; |
3914 | gc_values.foreground = f->output_data.x->foreground_pixel; | |
3915 | gc_values.background = f->output_data.x->background_pixel; | |
9ef48a9d | 3916 | gc_values.line_width = 0; /* Means 1 using fast algorithm. */ |
959e647d GM |
3917 | f->output_data.x->normal_gc |
3918 | = XCreateGC (FRAME_X_DISPLAY (f), | |
3919 | FRAME_X_WINDOW (f), | |
3920 | GCLineWidth | GCFont | GCForeground | GCBackground, | |
3921 | &gc_values); | |
01f1ba30 | 3922 | |
b9dc4443 | 3923 | /* Reverse video style. */ |
7556890b RS |
3924 | gc_values.foreground = f->output_data.x->background_pixel; |
3925 | gc_values.background = f->output_data.x->foreground_pixel; | |
959e647d GM |
3926 | f->output_data.x->reverse_gc |
3927 | = XCreateGC (FRAME_X_DISPLAY (f), | |
3928 | FRAME_X_WINDOW (f), | |
3929 | GCFont | GCForeground | GCBackground | GCLineWidth, | |
3930 | &gc_values); | |
01f1ba30 | 3931 | |
9ef48a9d | 3932 | /* Cursor has cursor-color background, background-color foreground. */ |
7556890b RS |
3933 | gc_values.foreground = f->output_data.x->background_pixel; |
3934 | gc_values.background = f->output_data.x->cursor_pixel; | |
01f1ba30 JB |
3935 | gc_values.fill_style = FillOpaqueStippled; |
3936 | gc_values.stipple | |
b9dc4443 RS |
3937 | = XCreateBitmapFromData (FRAME_X_DISPLAY (f), |
3938 | FRAME_X_DISPLAY_INFO (f)->root_window, | |
01f1ba30 | 3939 | cursor_bits, 16, 16); |
7556890b | 3940 | f->output_data.x->cursor_gc |
b9dc4443 | 3941 | = XCreateGC (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
01f1ba30 | 3942 | (GCFont | GCForeground | GCBackground |
ac1f48a4 | 3943 | | GCFillStyle /* | GCStipple */ | GCLineWidth), |
01f1ba30 JB |
3944 | &gc_values); |
3945 | ||
333b20bb GM |
3946 | /* Reliefs. */ |
3947 | f->output_data.x->white_relief.gc = 0; | |
3948 | f->output_data.x->black_relief.gc = 0; | |
3949 | ||
01f1ba30 | 3950 | /* Create the gray border tile used when the pointer is not in |
f676886a | 3951 | the frame. Since this depends on the frame's pixel values, |
9ef48a9d | 3952 | this must be done on a per-frame basis. */ |
7556890b | 3953 | f->output_data.x->border_tile |
d043f1a4 | 3954 | = (XCreatePixmapFromBitmapData |
b9dc4443 | 3955 | (FRAME_X_DISPLAY (f), FRAME_X_DISPLAY_INFO (f)->root_window, |
d043f1a4 | 3956 | gray_bits, gray_width, gray_height, |
7556890b RS |
3957 | f->output_data.x->foreground_pixel, |
3958 | f->output_data.x->background_pixel, | |
b9dc4443 RS |
3959 | DefaultDepth (FRAME_X_DISPLAY (f), |
3960 | XScreenNumberOfScreen (FRAME_X_SCREEN (f))))); | |
6afb1d07 JB |
3961 | |
3962 | UNBLOCK_INPUT; | |
01f1ba30 | 3963 | } |
01f1ba30 | 3964 | |
959e647d GM |
3965 | |
3966 | /* Free what was was allocated in x_make_gc. */ | |
3967 | ||
3968 | void | |
3969 | x_free_gcs (f) | |
3970 | struct frame *f; | |
3971 | { | |
3972 | Display *dpy = FRAME_X_DISPLAY (f); | |
3973 | ||
3974 | BLOCK_INPUT; | |
3975 | ||
3976 | if (f->output_data.x->normal_gc) | |
3977 | { | |
3978 | XFreeGC (dpy, f->output_data.x->normal_gc); | |
3979 | f->output_data.x->normal_gc = 0; | |
3980 | } | |
3981 | ||
3982 | if (f->output_data.x->reverse_gc) | |
3983 | { | |
3984 | XFreeGC (dpy, f->output_data.x->reverse_gc); | |
3985 | f->output_data.x->reverse_gc = 0; | |
3986 | } | |
3987 | ||
3988 | if (f->output_data.x->cursor_gc) | |
3989 | { | |
3990 | XFreeGC (dpy, f->output_data.x->cursor_gc); | |
3991 | f->output_data.x->cursor_gc = 0; | |
3992 | } | |
3993 | ||
3994 | if (f->output_data.x->border_tile) | |
3995 | { | |
3996 | XFreePixmap (dpy, f->output_data.x->border_tile); | |
3997 | f->output_data.x->border_tile = 0; | |
3998 | } | |
3999 | ||
4000 | UNBLOCK_INPUT; | |
4001 | } | |
4002 | ||
4003 | ||
eaf1eea9 GM |
4004 | /* Handler for signals raised during x_create_frame and |
4005 | x_create_top_frame. FRAME is the frame which is partially | |
4006 | constructed. */ | |
4007 | ||
4008 | static Lisp_Object | |
4009 | unwind_create_frame (frame) | |
4010 | Lisp_Object frame; | |
4011 | { | |
4012 | struct frame *f = XFRAME (frame); | |
4013 | ||
4014 | /* If frame is ``official'', nothing to do. */ | |
4015 | if (!CONSP (Vframe_list) || !EQ (XCAR (Vframe_list), frame)) | |
4016 | { | |
f1d2ce7f | 4017 | #if GLYPH_DEBUG |
eaf1eea9 GM |
4018 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
4019 | #endif | |
4020 | ||
4021 | x_free_frame_resources (f); | |
4022 | ||
4023 | /* Check that reference counts are indeed correct. */ | |
4024 | xassert (dpyinfo->reference_count == dpyinfo_refcount); | |
4025 | xassert (dpyinfo->image_cache->refcount == image_cache_refcount); | |
c844a81a | 4026 | return Qt; |
eaf1eea9 GM |
4027 | } |
4028 | ||
4029 | return Qnil; | |
4030 | } | |
4031 | ||
4032 | ||
f676886a | 4033 | DEFUN ("x-create-frame", Fx_create_frame, Sx_create_frame, |
01f1ba30 | 4034 | 1, 1, 0, |
f676886a | 4035 | "Make a new X window, which is called a \"frame\" in Emacs terms.\n\ |
08a90d6a | 4036 | Returns an Emacs frame object.\n\ |
f676886a JB |
4037 | ALIST is an alist of frame parameters.\n\ |
4038 | If the parameters specify that the frame should not have a minibuffer,\n\ | |
e22d6b02 | 4039 | and do not specify a specific minibuffer window to use,\n\ |
f676886a | 4040 | then `default-minibuffer-frame' must be a frame whose minibuffer can\n\ |
08a90d6a RS |
4041 | be shared by the new frame.\n\ |
4042 | \n\ | |
4043 | This function is an internal primitive--use `make-frame' instead.") | |
01f1ba30 JB |
4044 | (parms) |
4045 | Lisp_Object parms; | |
4046 | { | |
f676886a | 4047 | struct frame *f; |
2365c027 | 4048 | Lisp_Object frame, tem; |
01f1ba30 JB |
4049 | Lisp_Object name; |
4050 | int minibuffer_only = 0; | |
4051 | long window_prompting = 0; | |
4052 | int width, height; | |
eaf1eea9 | 4053 | int count = BINDING_STACK_SIZE (); |
ecaca587 | 4054 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4; |
b9dc4443 | 4055 | Lisp_Object display; |
333b20bb | 4056 | struct x_display_info *dpyinfo = NULL; |
a59e4f3d | 4057 | Lisp_Object parent; |
e557f19d | 4058 | struct kboard *kb; |
01f1ba30 | 4059 | |
11ae94fe | 4060 | check_x (); |
01f1ba30 | 4061 | |
b7975ee4 KH |
4062 | /* Use this general default value to start with |
4063 | until we know if this frame has a specified name. */ | |
4064 | Vx_resource_name = Vinvocation_name; | |
4065 | ||
333b20bb | 4066 | display = x_get_arg (dpyinfo, parms, Qdisplay, 0, 0, RES_TYPE_STRING); |
b9dc4443 RS |
4067 | if (EQ (display, Qunbound)) |
4068 | display = Qnil; | |
4069 | dpyinfo = check_x_display_info (display); | |
e557f19d KH |
4070 | #ifdef MULTI_KBOARD |
4071 | kb = dpyinfo->kboard; | |
4072 | #else | |
4073 | kb = &the_only_kboard; | |
4074 | #endif | |
b9dc4443 | 4075 | |
333b20bb | 4076 | name = x_get_arg (dpyinfo, parms, Qname, "name", "Name", RES_TYPE_STRING); |
6a5e54e2 | 4077 | if (!STRINGP (name) |
cf177271 JB |
4078 | && ! EQ (name, Qunbound) |
4079 | && ! NILP (name)) | |
08a90d6a | 4080 | error ("Invalid frame name--not a string or nil"); |
01f1ba30 | 4081 | |
b7975ee4 KH |
4082 | if (STRINGP (name)) |
4083 | Vx_resource_name = name; | |
4084 | ||
a59e4f3d | 4085 | /* See if parent window is specified. */ |
333b20bb | 4086 | parent = x_get_arg (dpyinfo, parms, Qparent_id, NULL, NULL, RES_TYPE_NUMBER); |
a59e4f3d RS |
4087 | if (EQ (parent, Qunbound)) |
4088 | parent = Qnil; | |
4089 | if (! NILP (parent)) | |
4090 | CHECK_NUMBER (parent, 0); | |
4091 | ||
ecaca587 RS |
4092 | /* make_frame_without_minibuffer can run Lisp code and garbage collect. */ |
4093 | /* No need to protect DISPLAY because that's not used after passing | |
4094 | it to make_frame_without_minibuffer. */ | |
4095 | frame = Qnil; | |
4096 | GCPRO4 (parms, parent, name, frame); | |
333b20bb GM |
4097 | tem = x_get_arg (dpyinfo, parms, Qminibuffer, "minibuffer", "Minibuffer", |
4098 | RES_TYPE_SYMBOL); | |
f9942c9e | 4099 | if (EQ (tem, Qnone) || NILP (tem)) |
2526c290 | 4100 | f = make_frame_without_minibuffer (Qnil, kb, display); |
f9942c9e | 4101 | else if (EQ (tem, Qonly)) |
01f1ba30 | 4102 | { |
f676886a | 4103 | f = make_minibuffer_frame (); |
01f1ba30 JB |
4104 | minibuffer_only = 1; |
4105 | } | |
6a5e54e2 | 4106 | else if (WINDOWP (tem)) |
2526c290 | 4107 | f = make_frame_without_minibuffer (tem, kb, display); |
f9942c9e JB |
4108 | else |
4109 | f = make_frame (1); | |
01f1ba30 | 4110 | |
ecaca587 RS |
4111 | XSETFRAME (frame, f); |
4112 | ||
a3c87d4e JB |
4113 | /* Note that X Windows does support scroll bars. */ |
4114 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 1; | |
179956b9 | 4115 | |
08a90d6a | 4116 | f->output_method = output_x_window; |
7556890b RS |
4117 | f->output_data.x = (struct x_output *) xmalloc (sizeof (struct x_output)); |
4118 | bzero (f->output_data.x, sizeof (struct x_output)); | |
4119 | f->output_data.x->icon_bitmap = -1; | |
0ecca023 | 4120 | f->output_data.x->fontset = -1; |
333b20bb GM |
4121 | f->output_data.x->scroll_bar_foreground_pixel = -1; |
4122 | f->output_data.x->scroll_bar_background_pixel = -1; | |
eaf1eea9 | 4123 | record_unwind_protect (unwind_create_frame, frame); |
08a90d6a | 4124 | |
f468da95 | 4125 | f->icon_name |
333b20bb GM |
4126 | = x_get_arg (dpyinfo, parms, Qicon_name, "iconName", "Title", |
4127 | RES_TYPE_STRING); | |
f468da95 RS |
4128 | if (! STRINGP (f->icon_name)) |
4129 | f->icon_name = Qnil; | |
80534dd6 | 4130 | |
08a90d6a | 4131 | FRAME_X_DISPLAY_INFO (f) = dpyinfo; |
f1d2ce7f | 4132 | #if GLYPH_DEBUG |
eaf1eea9 GM |
4133 | image_cache_refcount = FRAME_X_IMAGE_CACHE (f)->refcount; |
4134 | dpyinfo_refcount = dpyinfo->reference_count; | |
4135 | #endif /* GLYPH_DEBUG */ | |
73410c76 | 4136 | #ifdef MULTI_KBOARD |
e557f19d | 4137 | FRAME_KBOARD (f) = kb; |
73410c76 | 4138 | #endif |
08a90d6a | 4139 | |
9b2956e2 GM |
4140 | /* These colors will be set anyway later, but it's important |
4141 | to get the color reference counts right, so initialize them! */ | |
4142 | { | |
4143 | Lisp_Object black; | |
4144 | struct gcpro gcpro1; | |
4145 | ||
4146 | black = build_string ("black"); | |
4147 | GCPRO1 (black); | |
4148 | f->output_data.x->foreground_pixel | |
4149 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
4150 | f->output_data.x->background_pixel | |
4151 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
4152 | f->output_data.x->cursor_pixel | |
4153 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
4154 | f->output_data.x->cursor_foreground_pixel | |
4155 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
4156 | f->output_data.x->border_pixel | |
4157 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
4158 | f->output_data.x->mouse_pixel | |
4159 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
4160 | UNGCPRO; | |
4161 | } | |
4162 | ||
a59e4f3d RS |
4163 | /* Specify the parent under which to make this X window. */ |
4164 | ||
4165 | if (!NILP (parent)) | |
4166 | { | |
8c239ac3 | 4167 | f->output_data.x->parent_desc = (Window) XFASTINT (parent); |
7556890b | 4168 | f->output_data.x->explicit_parent = 1; |
a59e4f3d RS |
4169 | } |
4170 | else | |
4171 | { | |
7556890b RS |
4172 | f->output_data.x->parent_desc = FRAME_X_DISPLAY_INFO (f)->root_window; |
4173 | f->output_data.x->explicit_parent = 0; | |
a59e4f3d RS |
4174 | } |
4175 | ||
cf177271 JB |
4176 | /* Set the name; the functions to which we pass f expect the name to |
4177 | be set. */ | |
4178 | if (EQ (name, Qunbound) || NILP (name)) | |
4179 | { | |
08a90d6a | 4180 | f->name = build_string (dpyinfo->x_id_name); |
cf177271 JB |
4181 | f->explicit_name = 0; |
4182 | } | |
4183 | else | |
4184 | { | |
4185 | f->name = name; | |
4186 | f->explicit_name = 1; | |
9ef48a9d RS |
4187 | /* use the frame's title when getting resources for this frame. */ |
4188 | specbind (Qx_resource_name, name); | |
cf177271 | 4189 | } |
01f1ba30 | 4190 | |
01f1ba30 JB |
4191 | /* Extract the window parameters from the supplied values |
4192 | that are needed to determine window geometry. */ | |
d387c960 JB |
4193 | { |
4194 | Lisp_Object font; | |
4195 | ||
333b20bb | 4196 | font = x_get_arg (dpyinfo, parms, Qfont, "font", "Font", RES_TYPE_STRING); |
2ee3abaa | 4197 | |
6817eab4 | 4198 | BLOCK_INPUT; |
e5e548e3 RS |
4199 | /* First, try whatever font the caller has specified. */ |
4200 | if (STRINGP (font)) | |
942ea06d | 4201 | { |
49965a29 | 4202 | tem = Fquery_fontset (font, Qnil); |
477f8642 KH |
4203 | if (STRINGP (tem)) |
4204 | font = x_new_fontset (f, XSTRING (tem)->data); | |
942ea06d KH |
4205 | else |
4206 | font = x_new_font (f, XSTRING (font)->data); | |
4207 | } | |
333b20bb | 4208 | |
e5e548e3 | 4209 | /* Try out a font which we hope has bold and italic variations. */ |
333b20bb GM |
4210 | if (!STRINGP (font)) |
4211 | font = x_new_font (f, "-adobe-courier-medium-r-*-*-*-120-*-*-*-*-iso8859-1"); | |
e5e548e3 | 4212 | if (!STRINGP (font)) |
a6ac02af | 4213 | font = x_new_font (f, "-misc-fixed-medium-r-normal-*-*-140-*-*-c-*-iso8859-1"); |
e5e548e3 | 4214 | if (! STRINGP (font)) |
a6ac02af | 4215 | font = x_new_font (f, "-*-*-medium-r-normal-*-*-140-*-*-c-*-iso8859-1"); |
e5e548e3 RS |
4216 | if (! STRINGP (font)) |
4217 | /* This was formerly the first thing tried, but it finds too many fonts | |
4218 | and takes too long. */ | |
4219 | font = x_new_font (f, "-*-*-medium-r-*-*-*-*-*-*-c-*-iso8859-1"); | |
4220 | /* If those didn't work, look for something which will at least work. */ | |
4221 | if (! STRINGP (font)) | |
a6ac02af | 4222 | font = x_new_font (f, "-*-fixed-*-*-*-*-*-140-*-*-c-*-iso8859-1"); |
6817eab4 JB |
4223 | UNBLOCK_INPUT; |
4224 | if (! STRINGP (font)) | |
e5e548e3 RS |
4225 | font = build_string ("fixed"); |
4226 | ||
477f8642 | 4227 | x_default_parameter (f, parms, Qfont, font, |
333b20bb | 4228 | "font", "Font", RES_TYPE_STRING); |
d387c960 | 4229 | } |
9ef48a9d | 4230 | |
e3881aa0 | 4231 | #ifdef USE_LUCID |
82c90203 RS |
4232 | /* Prevent lwlib/xlwmenu.c from crashing because of a bug |
4233 | whereby it fails to get any font. */ | |
7556890b | 4234 | xlwmenu_default_font = f->output_data.x->font; |
dd254b21 | 4235 | #endif |
82c90203 | 4236 | |
cf177271 | 4237 | x_default_parameter (f, parms, Qborder_width, make_number (2), |
333b20bb GM |
4238 | "borderWidth", "BorderWidth", RES_TYPE_NUMBER); |
4239 | ||
ddf768c3 JB |
4240 | /* This defaults to 2 in order to match xterm. We recognize either |
4241 | internalBorderWidth or internalBorder (which is what xterm calls | |
4242 | it). */ | |
4243 | if (NILP (Fassq (Qinternal_border_width, parms))) | |
4244 | { | |
4245 | Lisp_Object value; | |
4246 | ||
abb4b7ec | 4247 | value = x_get_arg (dpyinfo, parms, Qinternal_border_width, |
333b20bb | 4248 | "internalBorder", "internalBorder", RES_TYPE_NUMBER); |
ddf768c3 JB |
4249 | if (! EQ (value, Qunbound)) |
4250 | parms = Fcons (Fcons (Qinternal_border_width, value), | |
4251 | parms); | |
4252 | } | |
dca97592 | 4253 | x_default_parameter (f, parms, Qinternal_border_width, make_number (1), |
333b20bb GM |
4254 | "internalBorderWidth", "internalBorderWidth", |
4255 | RES_TYPE_NUMBER); | |
1ab3d87e | 4256 | x_default_parameter (f, parms, Qvertical_scroll_bars, Qleft, |
333b20bb GM |
4257 | "verticalScrollBars", "ScrollBars", |
4258 | RES_TYPE_SYMBOL); | |
01f1ba30 | 4259 | |
b9dc4443 | 4260 | /* Also do the stuff which must be set before the window exists. */ |
cf177271 | 4261 | x_default_parameter (f, parms, Qforeground_color, build_string ("black"), |
333b20bb | 4262 | "foreground", "Foreground", RES_TYPE_STRING); |
cf177271 | 4263 | x_default_parameter (f, parms, Qbackground_color, build_string ("white"), |
0b60fc91 | 4264 | "background", "Background", RES_TYPE_STRING); |
cf177271 | 4265 | x_default_parameter (f, parms, Qmouse_color, build_string ("black"), |
333b20bb | 4266 | "pointerColor", "Foreground", RES_TYPE_STRING); |
cf177271 | 4267 | x_default_parameter (f, parms, Qcursor_color, build_string ("black"), |
333b20bb | 4268 | "cursorColor", "Foreground", RES_TYPE_STRING); |
cf177271 | 4269 | x_default_parameter (f, parms, Qborder_color, build_string ("black"), |
333b20bb | 4270 | "borderColor", "BorderColor", RES_TYPE_STRING); |
d62c8769 GM |
4271 | x_default_parameter (f, parms, Qscreen_gamma, Qnil, |
4272 | "screenGamma", "ScreenGamma", RES_TYPE_FLOAT); | |
563b67aa GM |
4273 | x_default_parameter (f, parms, Qline_spacing, Qnil, |
4274 | "lineSpacing", "LineSpacing", RES_TYPE_NUMBER); | |
333b20bb GM |
4275 | |
4276 | x_default_scroll_bar_color_parameter (f, parms, Qscroll_bar_foreground, | |
4277 | "scrollBarForeground", | |
4278 | "ScrollBarForeground", 1); | |
4279 | x_default_scroll_bar_color_parameter (f, parms, Qscroll_bar_background, | |
4280 | "scrollBarBackground", | |
4281 | "ScrollBarBackground", 0); | |
4282 | ||
4283 | /* Init faces before x_default_parameter is called for scroll-bar | |
4284 | parameters because that function calls x_set_scroll_bar_width, | |
4285 | which calls change_frame_size, which calls Fset_window_buffer, | |
4286 | which runs hooks, which call Fvertical_motion. At the end, we | |
4287 | end up in init_iterator with a null face cache, which should not | |
4288 | happen. */ | |
4289 | init_frame_faces (f); | |
4290 | ||
c7bcb20d | 4291 | x_default_parameter (f, parms, Qmenu_bar_lines, make_number (1), |
333b20bb | 4292 | "menuBar", "MenuBar", RES_TYPE_NUMBER); |
e33455ca | 4293 | x_default_parameter (f, parms, Qtool_bar_lines, make_number (1), |
333b20bb | 4294 | "toolBar", "ToolBar", RES_TYPE_NUMBER); |
79873d50 | 4295 | x_default_parameter (f, parms, Qbuffer_predicate, Qnil, |
333b20bb GM |
4296 | "bufferPredicate", "BufferPredicate", |
4297 | RES_TYPE_SYMBOL); | |
c2304e02 | 4298 | x_default_parameter (f, parms, Qtitle, Qnil, |
333b20bb | 4299 | "title", "Title", RES_TYPE_STRING); |
90eb1019 | 4300 | |
7556890b | 4301 | f->output_data.x->parent_desc = FRAME_X_DISPLAY_INFO (f)->root_window; |
f676886a | 4302 | window_prompting = x_figure_window_size (f, parms); |
01f1ba30 | 4303 | |
f83f10ba | 4304 | if (window_prompting & XNegative) |
2365c027 | 4305 | { |
f83f10ba | 4306 | if (window_prompting & YNegative) |
7556890b | 4307 | f->output_data.x->win_gravity = SouthEastGravity; |
f83f10ba | 4308 | else |
7556890b | 4309 | f->output_data.x->win_gravity = NorthEastGravity; |
f83f10ba RS |
4310 | } |
4311 | else | |
4312 | { | |
4313 | if (window_prompting & YNegative) | |
7556890b | 4314 | f->output_data.x->win_gravity = SouthWestGravity; |
f83f10ba | 4315 | else |
7556890b | 4316 | f->output_data.x->win_gravity = NorthWestGravity; |
2365c027 RS |
4317 | } |
4318 | ||
7556890b | 4319 | f->output_data.x->size_hint_flags = window_prompting; |
38d22040 | 4320 | |
495fa05e GM |
4321 | tem = x_get_arg (dpyinfo, parms, Qunsplittable, 0, 0, RES_TYPE_BOOLEAN); |
4322 | f->no_split = minibuffer_only || EQ (tem, Qt); | |
4323 | ||
6a1bcd01 | 4324 | /* Create the X widget or window. */ |
a7f7d550 FP |
4325 | #ifdef USE_X_TOOLKIT |
4326 | x_window (f, window_prompting, minibuffer_only); | |
4327 | #else | |
f676886a | 4328 | x_window (f); |
a7f7d550 | 4329 | #endif |
495fa05e | 4330 | |
f676886a JB |
4331 | x_icon (f, parms); |
4332 | x_make_gc (f); | |
01f1ba30 | 4333 | |
495fa05e GM |
4334 | /* Now consider the frame official. */ |
4335 | FRAME_X_DISPLAY_INFO (f)->reference_count++; | |
4336 | Vframe_list = Fcons (frame, Vframe_list); | |
4337 | ||
f9942c9e JB |
4338 | /* We need to do this after creating the X window, so that the |
4339 | icon-creation functions can say whose icon they're describing. */ | |
cf177271 | 4340 | x_default_parameter (f, parms, Qicon_type, Qnil, |
333b20bb | 4341 | "bitmapIcon", "BitmapIcon", RES_TYPE_SYMBOL); |
f9942c9e | 4342 | |
cf177271 | 4343 | x_default_parameter (f, parms, Qauto_raise, Qnil, |
333b20bb | 4344 | "autoRaise", "AutoRaiseLower", RES_TYPE_BOOLEAN); |
cf177271 | 4345 | x_default_parameter (f, parms, Qauto_lower, Qnil, |
333b20bb | 4346 | "autoLower", "AutoRaiseLower", RES_TYPE_BOOLEAN); |
dbc4e1c1 | 4347 | x_default_parameter (f, parms, Qcursor_type, Qbox, |
333b20bb | 4348 | "cursorType", "CursorType", RES_TYPE_SYMBOL); |
28d7281d GM |
4349 | x_default_parameter (f, parms, Qscroll_bar_width, Qnil, |
4350 | "scrollBarWidth", "ScrollBarWidth", | |
4351 | RES_TYPE_NUMBER); | |
f9942c9e | 4352 | |
f676886a | 4353 | /* Dimensions, especially f->height, must be done via change_frame_size. |
01f1ba30 | 4354 | Change will not be effected unless different from the current |
b9dc4443 | 4355 | f->height. */ |
f676886a JB |
4356 | width = f->width; |
4357 | height = f->height; | |
6a1bcd01 GM |
4358 | |
4359 | /* Add the tool-bar height to the initial frame height so that the | |
4360 | user gets a text display area of the size he specified with -g or | |
4361 | via .Xdefaults. Later changes of the tool-bar height don't | |
4362 | change the frame size. This is done so that users can create | |
4363 | tall Emacs frames without having to guess how tall the tool-bar | |
4364 | will get. */ | |
4365 | if (FRAME_TOOL_BAR_LINES (f)) | |
4366 | { | |
4367 | int margin, relief, bar_height; | |
4368 | ||
4369 | relief = (tool_bar_button_relief > 0 | |
4370 | ? tool_bar_button_relief | |
4371 | : DEFAULT_TOOL_BAR_BUTTON_RELIEF); | |
4372 | ||
4373 | if (INTEGERP (Vtool_bar_button_margin) | |
4374 | && XINT (Vtool_bar_button_margin) > 0) | |
4375 | margin = XFASTINT (Vtool_bar_button_margin); | |
4376 | else if (CONSP (Vtool_bar_button_margin) | |
4377 | && INTEGERP (XCDR (Vtool_bar_button_margin)) | |
4378 | && XINT (XCDR (Vtool_bar_button_margin)) > 0) | |
4379 | margin = XFASTINT (XCDR (Vtool_bar_button_margin)); | |
4380 | else | |
4381 | margin = 0; | |
4382 | ||
4383 | bar_height = DEFAULT_TOOL_BAR_IMAGE_HEIGHT + 2 * margin + 2 * relief; | |
4384 | height += (bar_height + CANON_Y_UNIT (f) - 1) / CANON_Y_UNIT (f); | |
4385 | } | |
4386 | ||
1ab3d87e RS |
4387 | f->height = 0; |
4388 | SET_FRAME_WIDTH (f, 0); | |
8938a4fb | 4389 | change_frame_size (f, height, width, 1, 0, 0); |
d043f1a4 | 4390 | |
4a967a9b GM |
4391 | /* Set up faces after all frame parameters are known. This call |
4392 | also merges in face attributes specified for new frames. If we | |
4393 | don't do this, the `menu' face for instance won't have the right | |
4394 | colors, and the menu bar won't appear in the specified colors for | |
4395 | new frames. */ | |
4396 | call1 (Qface_set_after_frame_default, frame); | |
4397 | ||
495fa05e GM |
4398 | #ifdef USE_X_TOOLKIT |
4399 | /* Create the menu bar. */ | |
4400 | if (!minibuffer_only && FRAME_EXTERNAL_MENU_BAR (f)) | |
4401 | { | |
4402 | /* If this signals an error, we haven't set size hints for the | |
4403 | frame and we didn't make it visible. */ | |
4404 | initialize_frame_menubar (f); | |
4405 | ||
4406 | /* This is a no-op, except under Motif where it arranges the | |
4407 | main window for the widgets on it. */ | |
4408 | lw_set_main_areas (f->output_data.x->column_widget, | |
4409 | f->output_data.x->menubar_widget, | |
4410 | f->output_data.x->edit_widget); | |
4411 | } | |
4412 | #endif /* USE_X_TOOLKIT */ | |
4413 | ||
4414 | /* Tell the server what size and position, etc, we want, and how | |
4415 | badly we want them. This should be done after we have the menu | |
4416 | bar so that its size can be taken into account. */ | |
01f1ba30 | 4417 | BLOCK_INPUT; |
7989f084 | 4418 | x_wm_set_size_hint (f, window_prompting, 0); |
01f1ba30 JB |
4419 | UNBLOCK_INPUT; |
4420 | ||
495fa05e GM |
4421 | /* Make the window appear on the frame and enable display, unless |
4422 | the caller says not to. However, with explicit parent, Emacs | |
4423 | cannot control visibility, so don't try. */ | |
7556890b | 4424 | if (! f->output_data.x->explicit_parent) |
a59e4f3d RS |
4425 | { |
4426 | Lisp_Object visibility; | |
49795535 | 4427 | |
333b20bb GM |
4428 | visibility = x_get_arg (dpyinfo, parms, Qvisibility, 0, 0, |
4429 | RES_TYPE_SYMBOL); | |
a59e4f3d RS |
4430 | if (EQ (visibility, Qunbound)) |
4431 | visibility = Qt; | |
49795535 | 4432 | |
a59e4f3d RS |
4433 | if (EQ (visibility, Qicon)) |
4434 | x_iconify_frame (f); | |
4435 | else if (! NILP (visibility)) | |
4436 | x_make_frame_visible (f); | |
4437 | else | |
4438 | /* Must have been Qnil. */ | |
4439 | ; | |
4440 | } | |
01f1ba30 | 4441 | |
495fa05e | 4442 | UNGCPRO; |
9ef48a9d | 4443 | return unbind_to (count, frame); |
01f1ba30 JB |
4444 | } |
4445 | ||
eaf1eea9 | 4446 | |
0d17d282 KH |
4447 | /* FRAME is used only to get a handle on the X display. We don't pass the |
4448 | display info directly because we're called from frame.c, which doesn't | |
4449 | know about that structure. */ | |
e4f79258 | 4450 | |
87498171 | 4451 | Lisp_Object |
0d17d282 KH |
4452 | x_get_focus_frame (frame) |
4453 | struct frame *frame; | |
87498171 | 4454 | { |
0d17d282 | 4455 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (frame); |
87498171 | 4456 | Lisp_Object xfocus; |
0d17d282 | 4457 | if (! dpyinfo->x_focus_frame) |
87498171 KH |
4458 | return Qnil; |
4459 | ||
0d17d282 | 4460 | XSETFRAME (xfocus, dpyinfo->x_focus_frame); |
87498171 KH |
4461 | return xfocus; |
4462 | } | |
f0614854 | 4463 | |
3decc1e7 GM |
4464 | |
4465 | /* In certain situations, when the window manager follows a | |
4466 | click-to-focus policy, there seems to be no way around calling | |
4467 | XSetInputFocus to give another frame the input focus . | |
4468 | ||
4469 | In an ideal world, XSetInputFocus should generally be avoided so | |
4470 | that applications don't interfere with the window manager's focus | |
4471 | policy. But I think it's okay to use when it's clearly done | |
4472 | following a user-command. */ | |
4473 | ||
4474 | DEFUN ("x-focus-frame", Fx_focus_frame, Sx_focus_frame, 1, 1, 0, | |
4475 | "Set the input focus to FRAME.\n\ | |
4476 | FRAME nil means use the selected frame.") | |
4477 | (frame) | |
4478 | Lisp_Object frame; | |
4479 | { | |
4480 | struct frame *f = check_x_frame (frame); | |
4481 | Display *dpy = FRAME_X_DISPLAY (f); | |
4482 | int count; | |
4483 | ||
4484 | BLOCK_INPUT; | |
4485 | count = x_catch_errors (dpy); | |
4486 | XSetInputFocus (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
4487 | RevertToParent, CurrentTime); | |
4488 | x_uncatch_errors (dpy, count); | |
4489 | UNBLOCK_INPUT; | |
4490 | ||
4491 | return Qnil; | |
4492 | } | |
4493 | ||
f0614854 | 4494 | \f |
2d764c78 EZ |
4495 | DEFUN ("xw-color-defined-p", Fxw_color_defined_p, Sxw_color_defined_p, 1, 2, 0, |
4496 | "Internal function called by `color-defined-p', which see.") | |
b9dc4443 RS |
4497 | (color, frame) |
4498 | Lisp_Object color, frame; | |
e12d55b2 | 4499 | { |
b9dc4443 RS |
4500 | XColor foo; |
4501 | FRAME_PTR f = check_x_frame (frame); | |
e12d55b2 | 4502 | |
b9dc4443 RS |
4503 | CHECK_STRING (color, 1); |
4504 | ||
2d764c78 | 4505 | if (x_defined_color (f, XSTRING (color)->data, &foo, 0)) |
e12d55b2 RS |
4506 | return Qt; |
4507 | else | |
4508 | return Qnil; | |
4509 | } | |
4510 | ||
2d764c78 EZ |
4511 | DEFUN ("xw-color-values", Fxw_color_values, Sxw_color_values, 1, 2, 0, |
4512 | "Internal function called by `color-values', which see.") | |
b9dc4443 RS |
4513 | (color, frame) |
4514 | Lisp_Object color, frame; | |
01f1ba30 | 4515 | { |
b9dc4443 RS |
4516 | XColor foo; |
4517 | FRAME_PTR f = check_x_frame (frame); | |
4518 | ||
4519 | CHECK_STRING (color, 1); | |
01f1ba30 | 4520 | |
2d764c78 | 4521 | if (x_defined_color (f, XSTRING (color)->data, &foo, 0)) |
57c82a63 RS |
4522 | { |
4523 | Lisp_Object rgb[3]; | |
4524 | ||
4525 | rgb[0] = make_number (foo.red); | |
4526 | rgb[1] = make_number (foo.green); | |
4527 | rgb[2] = make_number (foo.blue); | |
4528 | return Flist (3, rgb); | |
4529 | } | |
01f1ba30 JB |
4530 | else |
4531 | return Qnil; | |
4532 | } | |
4533 | ||
2d764c78 EZ |
4534 | DEFUN ("xw-display-color-p", Fxw_display_color_p, Sxw_display_color_p, 0, 1, 0, |
4535 | "Internal function called by `display-color-p', which see.") | |
08a90d6a RS |
4536 | (display) |
4537 | Lisp_Object display; | |
01f1ba30 | 4538 | { |
08a90d6a | 4539 | struct x_display_info *dpyinfo = check_x_display_info (display); |
11ae94fe | 4540 | |
b9dc4443 | 4541 | if (dpyinfo->n_planes <= 2) |
01f1ba30 JB |
4542 | return Qnil; |
4543 | ||
b9dc4443 | 4544 | switch (dpyinfo->visual->class) |
01f1ba30 JB |
4545 | { |
4546 | case StaticColor: | |
4547 | case PseudoColor: | |
4548 | case TrueColor: | |
4549 | case DirectColor: | |
4550 | return Qt; | |
4551 | ||
4552 | default: | |
4553 | return Qnil; | |
4554 | } | |
4555 | } | |
4556 | ||
d0c9d219 | 4557 | DEFUN ("x-display-grayscale-p", Fx_display_grayscale_p, Sx_display_grayscale_p, |
b9dc4443 | 4558 | 0, 1, 0, |
08a90d6a | 4559 | "Return t if the X display supports shades of gray.\n\ |
ae6b58f9 | 4560 | Note that color displays do support shades of gray.\n\ |
08a90d6a RS |
4561 | The optional argument DISPLAY specifies which display to ask about.\n\ |
4562 | DISPLAY should be either a frame or a display name (a string).\n\ | |
4563 | If omitted or nil, that stands for the selected frame's display.") | |
4564 | (display) | |
4565 | Lisp_Object display; | |
d0c9d219 | 4566 | { |
08a90d6a | 4567 | struct x_display_info *dpyinfo = check_x_display_info (display); |
d0c9d219 | 4568 | |
ae6b58f9 | 4569 | if (dpyinfo->n_planes <= 1) |
b9dc4443 RS |
4570 | return Qnil; |
4571 | ||
ae6b58f9 RS |
4572 | switch (dpyinfo->visual->class) |
4573 | { | |
4574 | case StaticColor: | |
4575 | case PseudoColor: | |
4576 | case TrueColor: | |
4577 | case DirectColor: | |
4578 | case StaticGray: | |
4579 | case GrayScale: | |
4580 | return Qt; | |
4581 | ||
4582 | default: | |
4583 | return Qnil; | |
4584 | } | |
d0c9d219 RS |
4585 | } |
4586 | ||
41beb8fc RS |
4587 | DEFUN ("x-display-pixel-width", Fx_display_pixel_width, Sx_display_pixel_width, |
4588 | 0, 1, 0, | |
08a90d6a RS |
4589 | "Returns the width in pixels of the X display DISPLAY.\n\ |
4590 | The optional argument DISPLAY specifies which display to ask about.\n\ | |
4591 | DISPLAY should be either a frame or a display name (a string).\n\ | |
4592 | If omitted or nil, that stands for the selected frame's display.") | |
4593 | (display) | |
4594 | Lisp_Object display; | |
41beb8fc | 4595 | { |
08a90d6a | 4596 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
4597 | |
4598 | return make_number (dpyinfo->width); | |
41beb8fc RS |
4599 | } |
4600 | ||
4601 | DEFUN ("x-display-pixel-height", Fx_display_pixel_height, | |
4602 | Sx_display_pixel_height, 0, 1, 0, | |
08a90d6a RS |
4603 | "Returns the height in pixels of the X display DISPLAY.\n\ |
4604 | The optional argument DISPLAY specifies which display to ask about.\n\ | |
4605 | DISPLAY should be either a frame or a display name (a string).\n\ | |
4606 | If omitted or nil, that stands for the selected frame's display.") | |
4607 | (display) | |
4608 | Lisp_Object display; | |
41beb8fc | 4609 | { |
08a90d6a | 4610 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
4611 | |
4612 | return make_number (dpyinfo->height); | |
41beb8fc RS |
4613 | } |
4614 | ||
4615 | DEFUN ("x-display-planes", Fx_display_planes, Sx_display_planes, | |
4616 | 0, 1, 0, | |
08a90d6a RS |
4617 | "Returns the number of bitplanes of the X display DISPLAY.\n\ |
4618 | The optional argument DISPLAY specifies which display to ask about.\n\ | |
4619 | DISPLAY should be either a frame or a display name (a string).\n\ | |
4620 | If omitted or nil, that stands for the selected frame's display.") | |
4621 | (display) | |
4622 | Lisp_Object display; | |
41beb8fc | 4623 | { |
08a90d6a | 4624 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
4625 | |
4626 | return make_number (dpyinfo->n_planes); | |
41beb8fc RS |
4627 | } |
4628 | ||
4629 | DEFUN ("x-display-color-cells", Fx_display_color_cells, Sx_display_color_cells, | |
4630 | 0, 1, 0, | |
08a90d6a RS |
4631 | "Returns the number of color cells of the X display DISPLAY.\n\ |
4632 | The optional argument DISPLAY specifies which display to ask about.\n\ | |
4633 | DISPLAY should be either a frame or a display name (a string).\n\ | |
4634 | If omitted or nil, that stands for the selected frame's display.") | |
4635 | (display) | |
4636 | Lisp_Object display; | |
41beb8fc | 4637 | { |
08a90d6a | 4638 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
4639 | |
4640 | return make_number (DisplayCells (dpyinfo->display, | |
4641 | XScreenNumberOfScreen (dpyinfo->screen))); | |
41beb8fc RS |
4642 | } |
4643 | ||
9d317b2c RS |
4644 | DEFUN ("x-server-max-request-size", Fx_server_max_request_size, |
4645 | Sx_server_max_request_size, | |
4646 | 0, 1, 0, | |
08a90d6a RS |
4647 | "Returns the maximum request size of the X server of display DISPLAY.\n\ |
4648 | The optional argument DISPLAY specifies which display to ask about.\n\ | |
4649 | DISPLAY should be either a frame or a display name (a string).\n\ | |
4650 | If omitted or nil, that stands for the selected frame's display.") | |
4651 | (display) | |
4652 | Lisp_Object display; | |
9d317b2c | 4653 | { |
08a90d6a | 4654 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
4655 | |
4656 | return make_number (MAXREQUEST (dpyinfo->display)); | |
9d317b2c RS |
4657 | } |
4658 | ||
41beb8fc | 4659 | DEFUN ("x-server-vendor", Fx_server_vendor, Sx_server_vendor, 0, 1, 0, |
08a90d6a RS |
4660 | "Returns the vendor ID string of the X server of display DISPLAY.\n\ |
4661 | The optional argument DISPLAY specifies which display to ask about.\n\ | |
4662 | DISPLAY should be either a frame or a display name (a string).\n\ | |
4663 | If omitted or nil, that stands for the selected frame's display.") | |
4664 | (display) | |
4665 | Lisp_Object display; | |
41beb8fc | 4666 | { |
08a90d6a | 4667 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
4668 | char *vendor = ServerVendor (dpyinfo->display); |
4669 | ||
41beb8fc RS |
4670 | if (! vendor) vendor = ""; |
4671 | return build_string (vendor); | |
4672 | } | |
4673 | ||
4674 | DEFUN ("x-server-version", Fx_server_version, Sx_server_version, 0, 1, 0, | |
08a90d6a | 4675 | "Returns the version numbers of the X server of display DISPLAY.\n\ |
41beb8fc RS |
4676 | The value is a list of three integers: the major and minor\n\ |
4677 | version numbers of the X Protocol in use, and the vendor-specific release\n\ | |
08a90d6a RS |
4678 | number. See also the function `x-server-vendor'.\n\n\ |
4679 | The optional argument DISPLAY specifies which display to ask about.\n\ | |
4680 | DISPLAY should be either a frame or a display name (a string).\n\ | |
4681 | If omitted or nil, that stands for the selected frame's display.") | |
4682 | (display) | |
4683 | Lisp_Object display; | |
41beb8fc | 4684 | { |
08a90d6a | 4685 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 | 4686 | Display *dpy = dpyinfo->display; |
11ae94fe | 4687 | |
41beb8fc RS |
4688 | return Fcons (make_number (ProtocolVersion (dpy)), |
4689 | Fcons (make_number (ProtocolRevision (dpy)), | |
4690 | Fcons (make_number (VendorRelease (dpy)), Qnil))); | |
4691 | } | |
4692 | ||
4693 | DEFUN ("x-display-screens", Fx_display_screens, Sx_display_screens, 0, 1, 0, | |
08a90d6a RS |
4694 | "Returns the number of screens on the X server of display DISPLAY.\n\ |
4695 | The optional argument DISPLAY specifies which display to ask about.\n\ | |
4696 | DISPLAY should be either a frame or a display name (a string).\n\ | |
4697 | If omitted or nil, that stands for the selected frame's display.") | |
4698 | (display) | |
4699 | Lisp_Object display; | |
41beb8fc | 4700 | { |
08a90d6a | 4701 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
4702 | |
4703 | return make_number (ScreenCount (dpyinfo->display)); | |
41beb8fc RS |
4704 | } |
4705 | ||
4706 | DEFUN ("x-display-mm-height", Fx_display_mm_height, Sx_display_mm_height, 0, 1, 0, | |
08a90d6a RS |
4707 | "Returns the height in millimeters of the X display DISPLAY.\n\ |
4708 | The optional argument DISPLAY specifies which display to ask about.\n\ | |
4709 | DISPLAY should be either a frame or a display name (a string).\n\ | |
4710 | If omitted or nil, that stands for the selected frame's display.") | |
4711 | (display) | |
4712 | Lisp_Object display; | |
41beb8fc | 4713 | { |
08a90d6a | 4714 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
4715 | |
4716 | return make_number (HeightMMOfScreen (dpyinfo->screen)); | |
41beb8fc RS |
4717 | } |
4718 | ||
4719 | DEFUN ("x-display-mm-width", Fx_display_mm_width, Sx_display_mm_width, 0, 1, 0, | |
08a90d6a RS |
4720 | "Returns the width in millimeters of the X display DISPLAY.\n\ |
4721 | The optional argument DISPLAY specifies which display to ask about.\n\ | |
4722 | DISPLAY should be either a frame or a display name (a string).\n\ | |
4723 | If omitted or nil, that stands for the selected frame's display.") | |
4724 | (display) | |
4725 | Lisp_Object display; | |
41beb8fc | 4726 | { |
08a90d6a | 4727 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
4728 | |
4729 | return make_number (WidthMMOfScreen (dpyinfo->screen)); | |
41beb8fc RS |
4730 | } |
4731 | ||
4732 | DEFUN ("x-display-backing-store", Fx_display_backing_store, | |
4733 | Sx_display_backing_store, 0, 1, 0, | |
08a90d6a RS |
4734 | "Returns an indication of whether X display DISPLAY does backing store.\n\ |
4735 | The value may be `always', `when-mapped', or `not-useful'.\n\ | |
4736 | The optional argument DISPLAY specifies which display to ask about.\n\ | |
4737 | DISPLAY should be either a frame or a display name (a string).\n\ | |
4738 | If omitted or nil, that stands for the selected frame's display.") | |
4739 | (display) | |
4740 | Lisp_Object display; | |
41beb8fc | 4741 | { |
08a90d6a | 4742 | struct x_display_info *dpyinfo = check_x_display_info (display); |
8ec8a5ec | 4743 | Lisp_Object result; |
11ae94fe | 4744 | |
b9dc4443 | 4745 | switch (DoesBackingStore (dpyinfo->screen)) |
41beb8fc RS |
4746 | { |
4747 | case Always: | |
8ec8a5ec GM |
4748 | result = intern ("always"); |
4749 | break; | |
41beb8fc RS |
4750 | |
4751 | case WhenMapped: | |
8ec8a5ec GM |
4752 | result = intern ("when-mapped"); |
4753 | break; | |
41beb8fc RS |
4754 | |
4755 | case NotUseful: | |
8ec8a5ec GM |
4756 | result = intern ("not-useful"); |
4757 | break; | |
41beb8fc RS |
4758 | |
4759 | default: | |
4760 | error ("Strange value for BackingStore parameter of screen"); | |
8ec8a5ec | 4761 | result = Qnil; |
41beb8fc | 4762 | } |
8ec8a5ec GM |
4763 | |
4764 | return result; | |
41beb8fc RS |
4765 | } |
4766 | ||
4767 | DEFUN ("x-display-visual-class", Fx_display_visual_class, | |
4768 | Sx_display_visual_class, 0, 1, 0, | |
08a90d6a | 4769 | "Returns the visual class of the X display DISPLAY.\n\ |
41beb8fc | 4770 | The value is one of the symbols `static-gray', `gray-scale',\n\ |
08a90d6a RS |
4771 | `static-color', `pseudo-color', `true-color', or `direct-color'.\n\n\ |
4772 | The optional argument DISPLAY specifies which display to ask about.\n\ | |
4773 | DISPLAY should be either a frame or a display name (a string).\n\ | |
4774 | If omitted or nil, that stands for the selected frame's display.") | |
4775 | (display) | |
4776 | Lisp_Object display; | |
41beb8fc | 4777 | { |
08a90d6a | 4778 | struct x_display_info *dpyinfo = check_x_display_info (display); |
8ec8a5ec | 4779 | Lisp_Object result; |
11ae94fe | 4780 | |
b9dc4443 | 4781 | switch (dpyinfo->visual->class) |
41beb8fc | 4782 | { |
8ec8a5ec GM |
4783 | case StaticGray: |
4784 | result = intern ("static-gray"); | |
4785 | break; | |
4786 | case GrayScale: | |
4787 | result = intern ("gray-scale"); | |
4788 | break; | |
4789 | case StaticColor: | |
4790 | result = intern ("static-color"); | |
4791 | break; | |
4792 | case PseudoColor: | |
4793 | result = intern ("pseudo-color"); | |
4794 | break; | |
4795 | case TrueColor: | |
4796 | result = intern ("true-color"); | |
4797 | break; | |
4798 | case DirectColor: | |
4799 | result = intern ("direct-color"); | |
4800 | break; | |
41beb8fc RS |
4801 | default: |
4802 | error ("Display has an unknown visual class"); | |
8ec8a5ec | 4803 | result = Qnil; |
41beb8fc | 4804 | } |
8ec8a5ec GM |
4805 | |
4806 | return result; | |
41beb8fc RS |
4807 | } |
4808 | ||
4809 | DEFUN ("x-display-save-under", Fx_display_save_under, | |
4810 | Sx_display_save_under, 0, 1, 0, | |
08a90d6a RS |
4811 | "Returns t if the X display DISPLAY supports the save-under feature.\n\ |
4812 | The optional argument DISPLAY specifies which display to ask about.\n\ | |
4813 | DISPLAY should be either a frame or a display name (a string).\n\ | |
4814 | If omitted or nil, that stands for the selected frame's display.") | |
4815 | (display) | |
4816 | Lisp_Object display; | |
41beb8fc | 4817 | { |
08a90d6a | 4818 | struct x_display_info *dpyinfo = check_x_display_info (display); |
11ae94fe | 4819 | |
b9dc4443 | 4820 | if (DoesSaveUnders (dpyinfo->screen) == True) |
41beb8fc RS |
4821 | return Qt; |
4822 | else | |
4823 | return Qnil; | |
4824 | } | |
4825 | \f | |
b9dc4443 | 4826 | int |
55caf99c RS |
4827 | x_pixel_width (f) |
4828 | register struct frame *f; | |
01f1ba30 | 4829 | { |
55caf99c | 4830 | return PIXEL_WIDTH (f); |
01f1ba30 JB |
4831 | } |
4832 | ||
b9dc4443 | 4833 | int |
55caf99c RS |
4834 | x_pixel_height (f) |
4835 | register struct frame *f; | |
01f1ba30 | 4836 | { |
55caf99c RS |
4837 | return PIXEL_HEIGHT (f); |
4838 | } | |
4839 | ||
b9dc4443 | 4840 | int |
55caf99c RS |
4841 | x_char_width (f) |
4842 | register struct frame *f; | |
4843 | { | |
7556890b | 4844 | return FONT_WIDTH (f->output_data.x->font); |
55caf99c RS |
4845 | } |
4846 | ||
b9dc4443 | 4847 | int |
55caf99c RS |
4848 | x_char_height (f) |
4849 | register struct frame *f; | |
4850 | { | |
7556890b | 4851 | return f->output_data.x->line_height; |
01f1ba30 | 4852 | } |
b9dc4443 RS |
4853 | |
4854 | int | |
f03f2489 RS |
4855 | x_screen_planes (f) |
4856 | register struct frame *f; | |
b9dc4443 | 4857 | { |
f03f2489 | 4858 | return FRAME_X_DISPLAY_INFO (f)->n_planes; |
b9dc4443 | 4859 | } |
01f1ba30 | 4860 | |
a6ad00c0 GM |
4861 | |
4862 | \f | |
4863 | /************************************************************************ | |
4864 | X Displays | |
4865 | ************************************************************************/ | |
4866 | ||
01f1ba30 | 4867 | \f |
a6ad00c0 GM |
4868 | /* Mapping visual names to visuals. */ |
4869 | ||
4870 | static struct visual_class | |
4871 | { | |
4872 | char *name; | |
4873 | int class; | |
4874 | } | |
4875 | visual_classes[] = | |
4876 | { | |
4877 | {"StaticGray", StaticGray}, | |
4878 | {"GrayScale", GrayScale}, | |
4879 | {"StaticColor", StaticColor}, | |
4880 | {"PseudoColor", PseudoColor}, | |
4881 | {"TrueColor", TrueColor}, | |
4882 | {"DirectColor", DirectColor}, | |
4883 | NULL | |
4884 | }; | |
4885 | ||
4886 | ||
404daac1 | 4887 | #ifndef HAVE_XSCREENNUMBEROFSCREEN |
a6ad00c0 GM |
4888 | |
4889 | /* Value is the screen number of screen SCR. This is a substitute for | |
4890 | the X function with the same name when that doesn't exist. */ | |
4891 | ||
404daac1 RS |
4892 | int |
4893 | XScreenNumberOfScreen (scr) | |
4894 | register Screen *scr; | |
4895 | { | |
a6ad00c0 GM |
4896 | Display *dpy = scr->display; |
4897 | int i; | |
3df34fdb | 4898 | |
a6ad00c0 GM |
4899 | for (i = 0; i < dpy->nscreens; ++i) |
4900 | if (scr == dpy->screens[i]) | |
4901 | break; | |
404daac1 | 4902 | |
a6ad00c0 | 4903 | return i; |
404daac1 | 4904 | } |
a6ad00c0 | 4905 | |
404daac1 RS |
4906 | #endif /* not HAVE_XSCREENNUMBEROFSCREEN */ |
4907 | ||
01f1ba30 | 4908 | |
a6ad00c0 GM |
4909 | /* Select the visual that should be used on display DPYINFO. Set |
4910 | members of DPYINFO appropriately. Called from x_term_init. */ | |
fe24a618 | 4911 | |
a6ad00c0 GM |
4912 | void |
4913 | select_visual (dpyinfo) | |
4914 | struct x_display_info *dpyinfo; | |
4915 | { | |
4916 | Display *dpy = dpyinfo->display; | |
4917 | Screen *screen = dpyinfo->screen; | |
4918 | Lisp_Object value; | |
fe24a618 | 4919 | |
a6ad00c0 GM |
4920 | /* See if a visual is specified. */ |
4921 | value = display_x_get_resource (dpyinfo, | |
4922 | build_string ("visualClass"), | |
4923 | build_string ("VisualClass"), | |
4924 | Qnil, Qnil); | |
4925 | if (STRINGP (value)) | |
4926 | { | |
4927 | /* VALUE should be of the form CLASS-DEPTH, where CLASS is one | |
4928 | of `PseudoColor', `TrueColor' etc. and DEPTH is the color | |
4929 | depth, a decimal number. NAME is compared with case ignored. */ | |
4930 | char *s = (char *) alloca (STRING_BYTES (XSTRING (value)) + 1); | |
4931 | char *dash; | |
4932 | int i, class = -1; | |
4933 | XVisualInfo vinfo; | |
4934 | ||
4935 | strcpy (s, XSTRING (value)->data); | |
4936 | dash = index (s, '-'); | |
4937 | if (dash) | |
4938 | { | |
4939 | dpyinfo->n_planes = atoi (dash + 1); | |
4940 | *dash = '\0'; | |
4941 | } | |
4942 | else | |
4943 | /* We won't find a matching visual with depth 0, so that | |
4944 | an error will be printed below. */ | |
4945 | dpyinfo->n_planes = 0; | |
f0614854 | 4946 | |
a6ad00c0 GM |
4947 | /* Determine the visual class. */ |
4948 | for (i = 0; visual_classes[i].name; ++i) | |
4949 | if (xstricmp (s, visual_classes[i].name) == 0) | |
4950 | { | |
4951 | class = visual_classes[i].class; | |
4952 | break; | |
4953 | } | |
01f1ba30 | 4954 | |
a6ad00c0 GM |
4955 | /* Look up a matching visual for the specified class. */ |
4956 | if (class == -1 | |
4957 | || !XMatchVisualInfo (dpy, XScreenNumberOfScreen (screen), | |
4958 | dpyinfo->n_planes, class, &vinfo)) | |
4959 | fatal ("Invalid visual specification `%s'", XSTRING (value)->data); | |
4960 | ||
4961 | dpyinfo->visual = vinfo.visual; | |
4962 | } | |
01f1ba30 JB |
4963 | else |
4964 | { | |
a6ad00c0 GM |
4965 | int n_visuals; |
4966 | XVisualInfo *vinfo, vinfo_template; | |
4967 | ||
4968 | dpyinfo->visual = DefaultVisualOfScreen (screen); | |
4969 | ||
4970 | #ifdef HAVE_X11R4 | |
4971 | vinfo_template.visualid = XVisualIDFromVisual (dpyinfo->visual); | |
4972 | #else | |
4973 | vinfo_template.visualid = dpyinfo->visual->visualid; | |
4974 | #endif | |
4975 | vinfo_template.screen = XScreenNumberOfScreen (screen); | |
4976 | vinfo = XGetVisualInfo (dpy, VisualIDMask | VisualScreenMask, | |
4977 | &vinfo_template, &n_visuals); | |
4978 | if (n_visuals != 1) | |
4979 | fatal ("Can't get proper X visual info"); | |
4980 | ||
94ac875b | 4981 | dpyinfo->n_planes = vinfo->depth; |
a6ad00c0 GM |
4982 | XFree ((char *) vinfo); |
4983 | } | |
01f1ba30 | 4984 | } |
01f1ba30 | 4985 | |
a6ad00c0 | 4986 | |
b9dc4443 RS |
4987 | /* Return the X display structure for the display named NAME. |
4988 | Open a new connection if necessary. */ | |
4989 | ||
4990 | struct x_display_info * | |
4991 | x_display_info_for_name (name) | |
4992 | Lisp_Object name; | |
4993 | { | |
08a90d6a | 4994 | Lisp_Object names; |
b9dc4443 RS |
4995 | struct x_display_info *dpyinfo; |
4996 | ||
4997 | CHECK_STRING (name, 0); | |
4998 | ||
806048df RS |
4999 | if (! EQ (Vwindow_system, intern ("x"))) |
5000 | error ("Not using X Windows"); | |
5001 | ||
08a90d6a RS |
5002 | for (dpyinfo = x_display_list, names = x_display_name_list; |
5003 | dpyinfo; | |
8e713be6 | 5004 | dpyinfo = dpyinfo->next, names = XCDR (names)) |
b9dc4443 RS |
5005 | { |
5006 | Lisp_Object tem; | |
8e713be6 | 5007 | tem = Fstring_equal (XCAR (XCAR (names)), name); |
08a90d6a | 5008 | if (!NILP (tem)) |
b9dc4443 RS |
5009 | return dpyinfo; |
5010 | } | |
5011 | ||
b7975ee4 KH |
5012 | /* Use this general default value to start with. */ |
5013 | Vx_resource_name = Vinvocation_name; | |
5014 | ||
b9dc4443 RS |
5015 | validate_x_resource_name (); |
5016 | ||
9b207e8e | 5017 | dpyinfo = x_term_init (name, (char *)0, |
b7975ee4 | 5018 | (char *) XSTRING (Vx_resource_name)->data); |
b9dc4443 | 5019 | |
08a90d6a | 5020 | if (dpyinfo == 0) |
1b4ec1c8 | 5021 | error ("Cannot connect to X server %s", XSTRING (name)->data); |
08a90d6a | 5022 | |
b9dc4443 RS |
5023 | x_in_use = 1; |
5024 | XSETFASTINT (Vwindow_system_version, 11); | |
5025 | ||
5026 | return dpyinfo; | |
5027 | } | |
5028 | ||
a6ad00c0 | 5029 | |
01f1ba30 | 5030 | DEFUN ("x-open-connection", Fx_open_connection, Sx_open_connection, |
08a90d6a | 5031 | 1, 3, 0, "Open a connection to an X server.\n\ |
d387c960 | 5032 | DISPLAY is the name of the display to connect to.\n\ |
08a90d6a RS |
5033 | Optional second arg XRM-STRING is a string of resources in xrdb format.\n\ |
5034 | If the optional third arg MUST-SUCCEED is non-nil,\n\ | |
5035 | terminate Emacs if we can't open the connection.") | |
5036 | (display, xrm_string, must_succeed) | |
5037 | Lisp_Object display, xrm_string, must_succeed; | |
01f1ba30 | 5038 | { |
01f1ba30 | 5039 | unsigned char *xrm_option; |
b9dc4443 | 5040 | struct x_display_info *dpyinfo; |
01f1ba30 JB |
5041 | |
5042 | CHECK_STRING (display, 0); | |
d387c960 JB |
5043 | if (! NILP (xrm_string)) |
5044 | CHECK_STRING (xrm_string, 1); | |
01f1ba30 | 5045 | |
806048df RS |
5046 | if (! EQ (Vwindow_system, intern ("x"))) |
5047 | error ("Not using X Windows"); | |
5048 | ||
d387c960 JB |
5049 | if (! NILP (xrm_string)) |
5050 | xrm_option = (unsigned char *) XSTRING (xrm_string)->data; | |
01f1ba30 JB |
5051 | else |
5052 | xrm_option = (unsigned char *) 0; | |
d387c960 JB |
5053 | |
5054 | validate_x_resource_name (); | |
5055 | ||
e1b1bee8 | 5056 | /* This is what opens the connection and sets x_current_display. |
b9dc4443 RS |
5057 | This also initializes many symbols, such as those used for input. */ |
5058 | dpyinfo = x_term_init (display, xrm_option, | |
b7975ee4 | 5059 | (char *) XSTRING (Vx_resource_name)->data); |
f1c16f36 | 5060 | |
08a90d6a RS |
5061 | if (dpyinfo == 0) |
5062 | { | |
5063 | if (!NILP (must_succeed)) | |
1b4ec1c8 KH |
5064 | fatal ("Cannot connect to X server %s.\n\ |
5065 | Check the DISPLAY environment variable or use `-d'.\n\ | |
5066 | Also use the `xhost' program to verify that it is set to permit\n\ | |
5067 | connections from your machine.\n", | |
08a90d6a RS |
5068 | XSTRING (display)->data); |
5069 | else | |
1b4ec1c8 | 5070 | error ("Cannot connect to X server %s", XSTRING (display)->data); |
08a90d6a RS |
5071 | } |
5072 | ||
b9dc4443 | 5073 | x_in_use = 1; |
01f1ba30 | 5074 | |
b9dc4443 | 5075 | XSETFASTINT (Vwindow_system_version, 11); |
01f1ba30 JB |
5076 | return Qnil; |
5077 | } | |
5078 | ||
08a90d6a RS |
5079 | DEFUN ("x-close-connection", Fx_close_connection, |
5080 | Sx_close_connection, 1, 1, 0, | |
5081 | "Close the connection to DISPLAY's X server.\n\ | |
5082 | For DISPLAY, specify either a frame or a display name (a string).\n\ | |
5083 | If DISPLAY is nil, that stands for the selected frame's display.") | |
5084 | (display) | |
5085 | Lisp_Object display; | |
01f1ba30 | 5086 | { |
08a90d6a | 5087 | struct x_display_info *dpyinfo = check_x_display_info (display); |
08a90d6a | 5088 | int i; |
3457bc6e | 5089 | |
08a90d6a RS |
5090 | if (dpyinfo->reference_count > 0) |
5091 | error ("Display still has frames on it"); | |
01f1ba30 | 5092 | |
08a90d6a RS |
5093 | BLOCK_INPUT; |
5094 | /* Free the fonts in the font table. */ | |
5095 | for (i = 0; i < dpyinfo->n_fonts; i++) | |
333b20bb GM |
5096 | if (dpyinfo->font_table[i].name) |
5097 | { | |
6ecb43ce KH |
5098 | if (dpyinfo->font_table[i].name != dpyinfo->font_table[i].full_name) |
5099 | xfree (dpyinfo->font_table[i].full_name); | |
333b20bb | 5100 | xfree (dpyinfo->font_table[i].name); |
333b20bb GM |
5101 | XFreeFont (dpyinfo->display, dpyinfo->font_table[i].font); |
5102 | } | |
5103 | ||
08a90d6a RS |
5104 | x_destroy_all_bitmaps (dpyinfo); |
5105 | XSetCloseDownMode (dpyinfo->display, DestroyAll); | |
82c90203 RS |
5106 | |
5107 | #ifdef USE_X_TOOLKIT | |
5108 | XtCloseDisplay (dpyinfo->display); | |
5109 | #else | |
08a90d6a | 5110 | XCloseDisplay (dpyinfo->display); |
82c90203 | 5111 | #endif |
08a90d6a RS |
5112 | |
5113 | x_delete_display (dpyinfo); | |
5114 | UNBLOCK_INPUT; | |
3457bc6e | 5115 | |
01f1ba30 JB |
5116 | return Qnil; |
5117 | } | |
5118 | ||
08a90d6a RS |
5119 | DEFUN ("x-display-list", Fx_display_list, Sx_display_list, 0, 0, 0, |
5120 | "Return the list of display names that Emacs has connections to.") | |
5121 | () | |
5122 | { | |
5123 | Lisp_Object tail, result; | |
5124 | ||
5125 | result = Qnil; | |
8e713be6 KR |
5126 | for (tail = x_display_name_list; ! NILP (tail); tail = XCDR (tail)) |
5127 | result = Fcons (XCAR (XCAR (tail)), result); | |
08a90d6a RS |
5128 | |
5129 | return result; | |
5130 | } | |
5131 | ||
5132 | DEFUN ("x-synchronize", Fx_synchronize, Sx_synchronize, 1, 2, 0, | |
5133 | "If ON is non-nil, report X errors as soon as the erring request is made.\n\ | |
01f1ba30 JB |
5134 | If ON is nil, allow buffering of requests.\n\ |
5135 | Turning on synchronization prohibits the Xlib routines from buffering\n\ | |
5136 | requests and seriously degrades performance, but makes debugging much\n\ | |
7a9a9813 | 5137 | easier.\n\ |
08a90d6a RS |
5138 | The optional second argument DISPLAY specifies which display to act on.\n\ |
5139 | DISPLAY should be either a frame or a display name (a string).\n\ | |
5140 | If DISPLAY is omitted or nil, that stands for the selected frame's display.") | |
5141 | (on, display) | |
5142 | Lisp_Object display, on; | |
01f1ba30 | 5143 | { |
08a90d6a | 5144 | struct x_display_info *dpyinfo = check_x_display_info (display); |
11ae94fe | 5145 | |
b9dc4443 | 5146 | XSynchronize (dpyinfo->display, !EQ (on, Qnil)); |
01f1ba30 JB |
5147 | |
5148 | return Qnil; | |
5149 | } | |
5150 | ||
b9dc4443 | 5151 | /* Wait for responses to all X commands issued so far for frame F. */ |
6b7b1820 RS |
5152 | |
5153 | void | |
b9dc4443 RS |
5154 | x_sync (f) |
5155 | FRAME_PTR f; | |
6b7b1820 | 5156 | { |
4e87f4d2 | 5157 | BLOCK_INPUT; |
b9dc4443 | 5158 | XSync (FRAME_X_DISPLAY (f), False); |
4e87f4d2 | 5159 | UNBLOCK_INPUT; |
6b7b1820 | 5160 | } |
333b20bb | 5161 | |
01f1ba30 | 5162 | \f |
333b20bb GM |
5163 | /*********************************************************************** |
5164 | Image types | |
5165 | ***********************************************************************/ | |
f1c16f36 | 5166 | |
333b20bb GM |
5167 | /* Value is the number of elements of vector VECTOR. */ |
5168 | ||
5169 | #define DIM(VECTOR) (sizeof (VECTOR) / sizeof *(VECTOR)) | |
5170 | ||
5171 | /* List of supported image types. Use define_image_type to add new | |
5172 | types. Use lookup_image_type to find a type for a given symbol. */ | |
5173 | ||
5174 | static struct image_type *image_types; | |
5175 | ||
333b20bb GM |
5176 | /* The symbol `image' which is the car of the lists used to represent |
5177 | images in Lisp. */ | |
5178 | ||
5179 | extern Lisp_Object Qimage; | |
5180 | ||
5181 | /* The symbol `xbm' which is used as the type symbol for XBM images. */ | |
5182 | ||
5183 | Lisp_Object Qxbm; | |
5184 | ||
5185 | /* Keywords. */ | |
5186 | ||
0fe92f72 | 5187 | extern Lisp_Object QCwidth, QCheight, QCforeground, QCbackground, QCfile; |
90ebdb19 GM |
5188 | extern Lisp_Object QCdata; |
5189 | Lisp_Object QCtype, QCascent, QCmargin, QCrelief; | |
d2dc8167 | 5190 | Lisp_Object QCconversion, QCcolor_symbols, QCheuristic_mask; |
4a8e312c | 5191 | Lisp_Object QCindex, QCmatrix, QCcolor_adjustment, QCmask; |
333b20bb GM |
5192 | |
5193 | /* Other symbols. */ | |
5194 | ||
4a8e312c | 5195 | Lisp_Object Qlaplace, Qemboss, Qedge_detection, Qheuristic; |
333b20bb GM |
5196 | |
5197 | /* Time in seconds after which images should be removed from the cache | |
5198 | if not displayed. */ | |
5199 | ||
fcf431dc | 5200 | Lisp_Object Vimage_cache_eviction_delay; |
333b20bb GM |
5201 | |
5202 | /* Function prototypes. */ | |
5203 | ||
5204 | static void define_image_type P_ ((struct image_type *type)); | |
5205 | static struct image_type *lookup_image_type P_ ((Lisp_Object symbol)); | |
5206 | static void image_error P_ ((char *format, Lisp_Object, Lisp_Object)); | |
5207 | static void x_laplace P_ ((struct frame *, struct image *)); | |
4a8e312c | 5208 | static void x_emboss P_ ((struct frame *, struct image *)); |
45158a91 GM |
5209 | static int x_build_heuristic_mask P_ ((struct frame *, struct image *, |
5210 | Lisp_Object)); | |
333b20bb GM |
5211 | |
5212 | ||
5213 | /* Define a new image type from TYPE. This adds a copy of TYPE to | |
5214 | image_types and adds the symbol *TYPE->type to Vimage_types. */ | |
5215 | ||
5216 | static void | |
5217 | define_image_type (type) | |
5218 | struct image_type *type; | |
5219 | { | |
5220 | /* Make a copy of TYPE to avoid a bus error in a dumped Emacs. | |
5221 | The initialized data segment is read-only. */ | |
5222 | struct image_type *p = (struct image_type *) xmalloc (sizeof *p); | |
5223 | bcopy (type, p, sizeof *p); | |
5224 | p->next = image_types; | |
5225 | image_types = p; | |
5226 | Vimage_types = Fcons (*p->type, Vimage_types); | |
5227 | } | |
5228 | ||
5229 | ||
5230 | /* Look up image type SYMBOL, and return a pointer to its image_type | |
5231 | structure. Value is null if SYMBOL is not a known image type. */ | |
5232 | ||
5233 | static INLINE struct image_type * | |
5234 | lookup_image_type (symbol) | |
5235 | Lisp_Object symbol; | |
5236 | { | |
5237 | struct image_type *type; | |
5238 | ||
5239 | for (type = image_types; type; type = type->next) | |
5240 | if (EQ (symbol, *type->type)) | |
5241 | break; | |
5242 | ||
5243 | return type; | |
5244 | } | |
5245 | ||
5246 | ||
5247 | /* Value is non-zero if OBJECT is a valid Lisp image specification. A | |
5248 | valid image specification is a list whose car is the symbol | |
5249 | `image', and whose rest is a property list. The property list must | |
5250 | contain a value for key `:type'. That value must be the name of a | |
5251 | supported image type. The rest of the property list depends on the | |
5252 | image type. */ | |
5253 | ||
5254 | int | |
5255 | valid_image_p (object) | |
5256 | Lisp_Object object; | |
5257 | { | |
5258 | int valid_p = 0; | |
5259 | ||
5260 | if (CONSP (object) && EQ (XCAR (object), Qimage)) | |
5261 | { | |
5262 | Lisp_Object symbol = Fplist_get (XCDR (object), QCtype); | |
5263 | struct image_type *type = lookup_image_type (symbol); | |
5264 | ||
5265 | if (type) | |
5266 | valid_p = type->valid_p (object); | |
5267 | } | |
5268 | ||
5269 | return valid_p; | |
5270 | } | |
5271 | ||
5272 | ||
7ab1745f GM |
5273 | /* Log error message with format string FORMAT and argument ARG. |
5274 | Signaling an error, e.g. when an image cannot be loaded, is not a | |
5275 | good idea because this would interrupt redisplay, and the error | |
5276 | message display would lead to another redisplay. This function | |
5277 | therefore simply displays a message. */ | |
333b20bb GM |
5278 | |
5279 | static void | |
5280 | image_error (format, arg1, arg2) | |
5281 | char *format; | |
5282 | Lisp_Object arg1, arg2; | |
5283 | { | |
7ab1745f | 5284 | add_to_log (format, arg1, arg2); |
333b20bb GM |
5285 | } |
5286 | ||
5287 | ||
5288 | \f | |
5289 | /*********************************************************************** | |
5290 | Image specifications | |
5291 | ***********************************************************************/ | |
5292 | ||
5293 | enum image_value_type | |
5294 | { | |
5295 | IMAGE_DONT_CHECK_VALUE_TYPE, | |
5296 | IMAGE_STRING_VALUE, | |
5297 | IMAGE_SYMBOL_VALUE, | |
5298 | IMAGE_POSITIVE_INTEGER_VALUE, | |
3ed61e75 | 5299 | IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, |
333b20bb | 5300 | IMAGE_NON_NEGATIVE_INTEGER_VALUE, |
7c7ff7f5 | 5301 | IMAGE_ASCENT_VALUE, |
333b20bb GM |
5302 | IMAGE_INTEGER_VALUE, |
5303 | IMAGE_FUNCTION_VALUE, | |
5304 | IMAGE_NUMBER_VALUE, | |
5305 | IMAGE_BOOL_VALUE | |
5306 | }; | |
5307 | ||
5308 | /* Structure used when parsing image specifications. */ | |
5309 | ||
5310 | struct image_keyword | |
5311 | { | |
5312 | /* Name of keyword. */ | |
5313 | char *name; | |
5314 | ||
5315 | /* The type of value allowed. */ | |
5316 | enum image_value_type type; | |
5317 | ||
5318 | /* Non-zero means key must be present. */ | |
5319 | int mandatory_p; | |
5320 | ||
5321 | /* Used to recognize duplicate keywords in a property list. */ | |
5322 | int count; | |
5323 | ||
5324 | /* The value that was found. */ | |
5325 | Lisp_Object value; | |
5326 | }; | |
5327 | ||
5328 | ||
bfd2209f GM |
5329 | static int parse_image_spec P_ ((Lisp_Object, struct image_keyword *, |
5330 | int, Lisp_Object)); | |
333b20bb GM |
5331 | static Lisp_Object image_spec_value P_ ((Lisp_Object, Lisp_Object, int *)); |
5332 | ||
5333 | ||
5334 | /* Parse image spec SPEC according to KEYWORDS. A valid image spec | |
5335 | has the format (image KEYWORD VALUE ...). One of the keyword/ | |
5336 | value pairs must be `:type TYPE'. KEYWORDS is a vector of | |
5337 | image_keywords structures of size NKEYWORDS describing other | |
bfd2209f | 5338 | allowed keyword/value pairs. Value is non-zero if SPEC is valid. */ |
333b20bb GM |
5339 | |
5340 | static int | |
bfd2209f | 5341 | parse_image_spec (spec, keywords, nkeywords, type) |
333b20bb GM |
5342 | Lisp_Object spec; |
5343 | struct image_keyword *keywords; | |
5344 | int nkeywords; | |
5345 | Lisp_Object type; | |
333b20bb GM |
5346 | { |
5347 | int i; | |
5348 | Lisp_Object plist; | |
5349 | ||
5350 | if (!CONSP (spec) || !EQ (XCAR (spec), Qimage)) | |
5351 | return 0; | |
5352 | ||
5353 | plist = XCDR (spec); | |
5354 | while (CONSP (plist)) | |
5355 | { | |
5356 | Lisp_Object key, value; | |
5357 | ||
5358 | /* First element of a pair must be a symbol. */ | |
5359 | key = XCAR (plist); | |
5360 | plist = XCDR (plist); | |
5361 | if (!SYMBOLP (key)) | |
5362 | return 0; | |
5363 | ||
5364 | /* There must follow a value. */ | |
5365 | if (!CONSP (plist)) | |
5366 | return 0; | |
5367 | value = XCAR (plist); | |
5368 | plist = XCDR (plist); | |
5369 | ||
5370 | /* Find key in KEYWORDS. Error if not found. */ | |
5371 | for (i = 0; i < nkeywords; ++i) | |
5372 | if (strcmp (keywords[i].name, XSYMBOL (key)->name->data) == 0) | |
5373 | break; | |
5374 | ||
5375 | if (i == nkeywords) | |
bfd2209f | 5376 | continue; |
333b20bb GM |
5377 | |
5378 | /* Record that we recognized the keyword. If a keywords | |
5379 | was found more than once, it's an error. */ | |
5380 | keywords[i].value = value; | |
5381 | ++keywords[i].count; | |
5382 | ||
5383 | if (keywords[i].count > 1) | |
5384 | return 0; | |
5385 | ||
5386 | /* Check type of value against allowed type. */ | |
5387 | switch (keywords[i].type) | |
5388 | { | |
5389 | case IMAGE_STRING_VALUE: | |
5390 | if (!STRINGP (value)) | |
5391 | return 0; | |
5392 | break; | |
5393 | ||
5394 | case IMAGE_SYMBOL_VALUE: | |
5395 | if (!SYMBOLP (value)) | |
5396 | return 0; | |
5397 | break; | |
5398 | ||
5399 | case IMAGE_POSITIVE_INTEGER_VALUE: | |
5400 | if (!INTEGERP (value) || XINT (value) <= 0) | |
5401 | return 0; | |
5402 | break; | |
5403 | ||
3ed61e75 GM |
5404 | case IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR: |
5405 | if (INTEGERP (value) && XINT (value) >= 0) | |
5406 | break; | |
5407 | if (CONSP (value) | |
5408 | && INTEGERP (XCAR (value)) && INTEGERP (XCDR (value)) | |
5409 | && XINT (XCAR (value)) >= 0 && XINT (XCDR (value)) >= 0) | |
5410 | break; | |
5411 | return 0; | |
5412 | ||
7c7ff7f5 GM |
5413 | case IMAGE_ASCENT_VALUE: |
5414 | if (SYMBOLP (value) && EQ (value, Qcenter)) | |
5415 | break; | |
5416 | else if (INTEGERP (value) | |
5417 | && XINT (value) >= 0 | |
5418 | && XINT (value) <= 100) | |
5419 | break; | |
5420 | return 0; | |
5421 | ||
333b20bb GM |
5422 | case IMAGE_NON_NEGATIVE_INTEGER_VALUE: |
5423 | if (!INTEGERP (value) || XINT (value) < 0) | |
5424 | return 0; | |
5425 | break; | |
5426 | ||
5427 | case IMAGE_DONT_CHECK_VALUE_TYPE: | |
5428 | break; | |
5429 | ||
5430 | case IMAGE_FUNCTION_VALUE: | |
5431 | value = indirect_function (value); | |
5432 | if (SUBRP (value) | |
5433 | || COMPILEDP (value) | |
5434 | || (CONSP (value) && EQ (XCAR (value), Qlambda))) | |
5435 | break; | |
5436 | return 0; | |
5437 | ||
5438 | case IMAGE_NUMBER_VALUE: | |
5439 | if (!INTEGERP (value) && !FLOATP (value)) | |
5440 | return 0; | |
5441 | break; | |
5442 | ||
5443 | case IMAGE_INTEGER_VALUE: | |
5444 | if (!INTEGERP (value)) | |
5445 | return 0; | |
5446 | break; | |
5447 | ||
5448 | case IMAGE_BOOL_VALUE: | |
5449 | if (!NILP (value) && !EQ (value, Qt)) | |
5450 | return 0; | |
5451 | break; | |
5452 | ||
5453 | default: | |
5454 | abort (); | |
5455 | break; | |
5456 | } | |
5457 | ||
5458 | if (EQ (key, QCtype) && !EQ (type, value)) | |
5459 | return 0; | |
5460 | } | |
5461 | ||
5462 | /* Check that all mandatory fields are present. */ | |
5463 | for (i = 0; i < nkeywords; ++i) | |
5464 | if (keywords[i].mandatory_p && keywords[i].count == 0) | |
5465 | return 0; | |
5466 | ||
5467 | return NILP (plist); | |
5468 | } | |
5469 | ||
5470 | ||
5471 | /* Return the value of KEY in image specification SPEC. Value is nil | |
5472 | if KEY is not present in SPEC. if FOUND is not null, set *FOUND | |
5473 | to 1 if KEY was found in SPEC, set it to 0 otherwise. */ | |
5474 | ||
5475 | static Lisp_Object | |
5476 | image_spec_value (spec, key, found) | |
5477 | Lisp_Object spec, key; | |
5478 | int *found; | |
5479 | { | |
5480 | Lisp_Object tail; | |
5481 | ||
5482 | xassert (valid_image_p (spec)); | |
5483 | ||
5484 | for (tail = XCDR (spec); | |
5485 | CONSP (tail) && CONSP (XCDR (tail)); | |
5486 | tail = XCDR (XCDR (tail))) | |
5487 | { | |
5488 | if (EQ (XCAR (tail), key)) | |
5489 | { | |
5490 | if (found) | |
5491 | *found = 1; | |
5492 | return XCAR (XCDR (tail)); | |
5493 | } | |
5494 | } | |
5495 | ||
5496 | if (found) | |
5497 | *found = 0; | |
5498 | return Qnil; | |
5499 | } | |
5500 | ||
5501 | ||
42677916 GM |
5502 | DEFUN ("image-size", Fimage_size, Simage_size, 1, 3, 0, |
5503 | "Return the size of image SPEC as pair (WIDTH . HEIGHT).\n\ | |
5504 | PIXELS non-nil means return the size in pixels, otherwise return the\n\ | |
5505 | size in canonical character units.\n\ | |
5506 | FRAME is the frame on which the image will be displayed. FRAME nil\n\ | |
5507 | or omitted means use the selected frame.") | |
5508 | (spec, pixels, frame) | |
5509 | Lisp_Object spec, pixels, frame; | |
5510 | { | |
5511 | Lisp_Object size; | |
5512 | ||
5513 | size = Qnil; | |
5514 | if (valid_image_p (spec)) | |
5515 | { | |
5516 | struct frame *f = check_x_frame (frame); | |
83676598 | 5517 | int id = lookup_image (f, spec); |
42677916 | 5518 | struct image *img = IMAGE_FROM_ID (f, id); |
3ed61e75 GM |
5519 | int width = img->width + 2 * img->hmargin; |
5520 | int height = img->height + 2 * img->vmargin; | |
42677916 GM |
5521 | |
5522 | if (NILP (pixels)) | |
5523 | size = Fcons (make_float ((double) width / CANON_X_UNIT (f)), | |
5524 | make_float ((double) height / CANON_Y_UNIT (f))); | |
5525 | else | |
5526 | size = Fcons (make_number (width), make_number (height)); | |
5527 | } | |
5528 | else | |
5529 | error ("Invalid image specification"); | |
5530 | ||
5531 | return size; | |
5532 | } | |
5533 | ||
333b20bb | 5534 | |
b243755a GM |
5535 | DEFUN ("image-mask-p", Fimage_mask_p, Simage_mask_p, 1, 2, 0, |
5536 | "Return t if image SPEC has a mask bitmap.\n\ | |
5537 | FRAME is the frame on which the image will be displayed. FRAME nil\n\ | |
5538 | or omitted means use the selected frame.") | |
5539 | (spec, frame) | |
5540 | Lisp_Object spec, frame; | |
5541 | { | |
5542 | Lisp_Object mask; | |
5543 | ||
5544 | mask = Qnil; | |
5545 | if (valid_image_p (spec)) | |
5546 | { | |
5547 | struct frame *f = check_x_frame (frame); | |
83676598 | 5548 | int id = lookup_image (f, spec); |
b243755a GM |
5549 | struct image *img = IMAGE_FROM_ID (f, id); |
5550 | if (img->mask) | |
5551 | mask = Qt; | |
5552 | } | |
5553 | else | |
5554 | error ("Invalid image specification"); | |
5555 | ||
5556 | return mask; | |
5557 | } | |
5558 | ||
5559 | ||
333b20bb GM |
5560 | \f |
5561 | /*********************************************************************** | |
5562 | Image type independent image structures | |
5563 | ***********************************************************************/ | |
5564 | ||
5565 | static struct image *make_image P_ ((Lisp_Object spec, unsigned hash)); | |
5566 | static void free_image P_ ((struct frame *f, struct image *img)); | |
5567 | ||
5568 | ||
5569 | /* Allocate and return a new image structure for image specification | |
5570 | SPEC. SPEC has a hash value of HASH. */ | |
5571 | ||
5572 | static struct image * | |
5573 | make_image (spec, hash) | |
5574 | Lisp_Object spec; | |
5575 | unsigned hash; | |
5576 | { | |
5577 | struct image *img = (struct image *) xmalloc (sizeof *img); | |
5578 | ||
5579 | xassert (valid_image_p (spec)); | |
5580 | bzero (img, sizeof *img); | |
5581 | img->type = lookup_image_type (image_spec_value (spec, QCtype, NULL)); | |
5582 | xassert (img->type != NULL); | |
5583 | img->spec = spec; | |
5584 | img->data.lisp_val = Qnil; | |
5585 | img->ascent = DEFAULT_IMAGE_ASCENT; | |
5586 | img->hash = hash; | |
5587 | return img; | |
5588 | } | |
5589 | ||
5590 | ||
5591 | /* Free image IMG which was used on frame F, including its resources. */ | |
5592 | ||
5593 | static void | |
5594 | free_image (f, img) | |
5595 | struct frame *f; | |
5596 | struct image *img; | |
5597 | { | |
5598 | if (img) | |
5599 | { | |
5600 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); | |
5601 | ||
5602 | /* Remove IMG from the hash table of its cache. */ | |
5603 | if (img->prev) | |
5604 | img->prev->next = img->next; | |
5605 | else | |
5606 | c->buckets[img->hash % IMAGE_CACHE_BUCKETS_SIZE] = img->next; | |
5607 | ||
5608 | if (img->next) | |
5609 | img->next->prev = img->prev; | |
5610 | ||
5611 | c->images[img->id] = NULL; | |
5612 | ||
5613 | /* Free resources, then free IMG. */ | |
5614 | img->type->free (f, img); | |
5615 | xfree (img); | |
5616 | } | |
5617 | } | |
5618 | ||
5619 | ||
5620 | /* Prepare image IMG for display on frame F. Must be called before | |
5621 | drawing an image. */ | |
5622 | ||
5623 | void | |
5624 | prepare_image_for_display (f, img) | |
5625 | struct frame *f; | |
5626 | struct image *img; | |
5627 | { | |
5628 | EMACS_TIME t; | |
5629 | ||
5630 | /* We're about to display IMG, so set its timestamp to `now'. */ | |
5631 | EMACS_GET_TIME (t); | |
5632 | img->timestamp = EMACS_SECS (t); | |
5633 | ||
5634 | /* If IMG doesn't have a pixmap yet, load it now, using the image | |
5635 | type dependent loader function. */ | |
dd00328a | 5636 | if (img->pixmap == None && !img->load_failed_p) |
209061be | 5637 | img->load_failed_p = img->type->load (f, img) == 0; |
333b20bb GM |
5638 | } |
5639 | ||
5640 | ||
7c7ff7f5 GM |
5641 | /* Value is the number of pixels for the ascent of image IMG when |
5642 | drawn in face FACE. */ | |
5643 | ||
5644 | int | |
5645 | image_ascent (img, face) | |
5646 | struct image *img; | |
5647 | struct face *face; | |
5648 | { | |
3ed61e75 | 5649 | int height = img->height + img->vmargin; |
7c7ff7f5 GM |
5650 | int ascent; |
5651 | ||
5652 | if (img->ascent == CENTERED_IMAGE_ASCENT) | |
5653 | { | |
5654 | if (face->font) | |
3694cb3f MB |
5655 | /* This expression is arranged so that if the image can't be |
5656 | exactly centered, it will be moved slightly up. This is | |
5657 | because a typical font is `top-heavy' (due to the presence | |
5658 | uppercase letters), so the image placement should err towards | |
5659 | being top-heavy too. It also just generally looks better. */ | |
5660 | ascent = (height + face->font->ascent - face->font->descent + 1) / 2; | |
7c7ff7f5 GM |
5661 | else |
5662 | ascent = height / 2; | |
5663 | } | |
5664 | else | |
5665 | ascent = height * img->ascent / 100.0; | |
5666 | ||
5667 | return ascent; | |
5668 | } | |
5669 | ||
5670 | ||
333b20bb GM |
5671 | \f |
5672 | /*********************************************************************** | |
5673 | Helper functions for X image types | |
5674 | ***********************************************************************/ | |
5675 | ||
dd00328a GM |
5676 | static void x_clear_image_1 P_ ((struct frame *, struct image *, int, |
5677 | int, int)); | |
333b20bb GM |
5678 | static void x_clear_image P_ ((struct frame *f, struct image *img)); |
5679 | static unsigned long x_alloc_image_color P_ ((struct frame *f, | |
5680 | struct image *img, | |
5681 | Lisp_Object color_name, | |
5682 | unsigned long dflt)); | |
5683 | ||
dd00328a GM |
5684 | |
5685 | /* Clear X resources of image IMG on frame F. PIXMAP_P non-zero means | |
5686 | free the pixmap if any. MASK_P non-zero means clear the mask | |
5687 | pixmap if any. COLORS_P non-zero means free colors allocated for | |
5688 | the image, if any. */ | |
333b20bb GM |
5689 | |
5690 | static void | |
dd00328a | 5691 | x_clear_image_1 (f, img, pixmap_p, mask_p, colors_p) |
333b20bb GM |
5692 | struct frame *f; |
5693 | struct image *img; | |
dd00328a | 5694 | int pixmap_p, mask_p, colors_p; |
333b20bb | 5695 | { |
dd00328a | 5696 | if (pixmap_p && img->pixmap) |
333b20bb | 5697 | { |
333b20bb | 5698 | XFreePixmap (FRAME_X_DISPLAY (f), img->pixmap); |
dd00328a | 5699 | img->pixmap = None; |
f4779de9 GM |
5700 | } |
5701 | ||
dd00328a | 5702 | if (mask_p && img->mask) |
f4779de9 GM |
5703 | { |
5704 | XFreePixmap (FRAME_X_DISPLAY (f), img->mask); | |
dd00328a | 5705 | img->mask = None; |
333b20bb GM |
5706 | } |
5707 | ||
dd00328a | 5708 | if (colors_p && img->ncolors) |
333b20bb | 5709 | { |
462d5d40 | 5710 | x_free_colors (f, img->colors, img->ncolors); |
333b20bb GM |
5711 | xfree (img->colors); |
5712 | img->colors = NULL; | |
5713 | img->ncolors = 0; | |
5714 | } | |
dd00328a GM |
5715 | } |
5716 | ||
5717 | /* Free X resources of image IMG which is used on frame F. */ | |
5718 | ||
5719 | static void | |
5720 | x_clear_image (f, img) | |
5721 | struct frame *f; | |
5722 | struct image *img; | |
5723 | { | |
5724 | BLOCK_INPUT; | |
5725 | x_clear_image_1 (f, img, 1, 1, 1); | |
f4779de9 | 5726 | UNBLOCK_INPUT; |
333b20bb GM |
5727 | } |
5728 | ||
5729 | ||
5730 | /* Allocate color COLOR_NAME for image IMG on frame F. If color | |
5731 | cannot be allocated, use DFLT. Add a newly allocated color to | |
5732 | IMG->colors, so that it can be freed again. Value is the pixel | |
5733 | color. */ | |
5734 | ||
5735 | static unsigned long | |
5736 | x_alloc_image_color (f, img, color_name, dflt) | |
5737 | struct frame *f; | |
5738 | struct image *img; | |
5739 | Lisp_Object color_name; | |
5740 | unsigned long dflt; | |
5741 | { | |
5742 | XColor color; | |
5743 | unsigned long result; | |
5744 | ||
5745 | xassert (STRINGP (color_name)); | |
5746 | ||
2d764c78 | 5747 | if (x_defined_color (f, XSTRING (color_name)->data, &color, 1)) |
333b20bb GM |
5748 | { |
5749 | /* This isn't called frequently so we get away with simply | |
5750 | reallocating the color vector to the needed size, here. */ | |
5751 | ++img->ncolors; | |
5752 | img->colors = | |
5753 | (unsigned long *) xrealloc (img->colors, | |
5754 | img->ncolors * sizeof *img->colors); | |
5755 | img->colors[img->ncolors - 1] = color.pixel; | |
5756 | result = color.pixel; | |
5757 | } | |
5758 | else | |
5759 | result = dflt; | |
5760 | ||
5761 | return result; | |
5762 | } | |
5763 | ||
5764 | ||
5765 | \f | |
5766 | /*********************************************************************** | |
5767 | Image Cache | |
5768 | ***********************************************************************/ | |
5769 | ||
5770 | static void cache_image P_ ((struct frame *f, struct image *img)); | |
5771 | ||
5772 | ||
5773 | /* Return a new, initialized image cache that is allocated from the | |
5774 | heap. Call free_image_cache to free an image cache. */ | |
5775 | ||
5776 | struct image_cache * | |
5777 | make_image_cache () | |
5778 | { | |
5779 | struct image_cache *c = (struct image_cache *) xmalloc (sizeof *c); | |
5780 | int size; | |
5781 | ||
5782 | bzero (c, sizeof *c); | |
5783 | c->size = 50; | |
5784 | c->images = (struct image **) xmalloc (c->size * sizeof *c->images); | |
5785 | size = IMAGE_CACHE_BUCKETS_SIZE * sizeof *c->buckets; | |
5786 | c->buckets = (struct image **) xmalloc (size); | |
5787 | bzero (c->buckets, size); | |
5788 | return c; | |
5789 | } | |
5790 | ||
5791 | ||
5792 | /* Free image cache of frame F. Be aware that X frames share images | |
5793 | caches. */ | |
5794 | ||
5795 | void | |
5796 | free_image_cache (f) | |
5797 | struct frame *f; | |
5798 | { | |
5799 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); | |
5800 | if (c) | |
5801 | { | |
5802 | int i; | |
5803 | ||
5804 | /* Cache should not be referenced by any frame when freed. */ | |
5805 | xassert (c->refcount == 0); | |
5806 | ||
5807 | for (i = 0; i < c->used; ++i) | |
5808 | free_image (f, c->images[i]); | |
5809 | xfree (c->images); | |
333b20bb | 5810 | xfree (c->buckets); |
e3130015 | 5811 | xfree (c); |
333b20bb GM |
5812 | FRAME_X_IMAGE_CACHE (f) = NULL; |
5813 | } | |
5814 | } | |
5815 | ||
5816 | ||
5817 | /* Clear image cache of frame F. FORCE_P non-zero means free all | |
5818 | images. FORCE_P zero means clear only images that haven't been | |
5819 | displayed for some time. Should be called from time to time to | |
5820 | reduce the number of loaded images. If image-eviction-seconds is | |
5821 | non-nil, this frees images in the cache which weren't displayed for | |
5822 | at least that many seconds. */ | |
5823 | ||
5824 | void | |
5825 | clear_image_cache (f, force_p) | |
5826 | struct frame *f; | |
5827 | int force_p; | |
5828 | { | |
5829 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); | |
5830 | ||
83676598 | 5831 | if (c && INTEGERP (Vimage_cache_eviction_delay)) |
333b20bb GM |
5832 | { |
5833 | EMACS_TIME t; | |
5834 | unsigned long old; | |
f4779de9 | 5835 | int i, nfreed; |
333b20bb GM |
5836 | |
5837 | EMACS_GET_TIME (t); | |
fcf431dc | 5838 | old = EMACS_SECS (t) - XFASTINT (Vimage_cache_eviction_delay); |
f4779de9 GM |
5839 | |
5840 | /* Block input so that we won't be interrupted by a SIGIO | |
5841 | while being in an inconsistent state. */ | |
5842 | BLOCK_INPUT; | |
333b20bb | 5843 | |
f4779de9 | 5844 | for (i = nfreed = 0; i < c->used; ++i) |
333b20bb GM |
5845 | { |
5846 | struct image *img = c->images[i]; | |
5847 | if (img != NULL | |
f4779de9 | 5848 | && (force_p || img->timestamp < old)) |
333b20bb GM |
5849 | { |
5850 | free_image (f, img); | |
f4779de9 | 5851 | ++nfreed; |
333b20bb GM |
5852 | } |
5853 | } | |
5854 | ||
5855 | /* We may be clearing the image cache because, for example, | |
5856 | Emacs was iconified for a longer period of time. In that | |
5857 | case, current matrices may still contain references to | |
5858 | images freed above. So, clear these matrices. */ | |
f4779de9 | 5859 | if (nfreed) |
333b20bb | 5860 | { |
f4779de9 GM |
5861 | Lisp_Object tail, frame; |
5862 | ||
5863 | FOR_EACH_FRAME (tail, frame) | |
5864 | { | |
5865 | struct frame *f = XFRAME (frame); | |
5866 | if (FRAME_X_P (f) | |
5867 | && FRAME_X_IMAGE_CACHE (f) == c) | |
83676598 | 5868 | clear_current_matrices (f); |
f4779de9 GM |
5869 | } |
5870 | ||
333b20bb GM |
5871 | ++windows_or_buffers_changed; |
5872 | } | |
f4779de9 GM |
5873 | |
5874 | UNBLOCK_INPUT; | |
333b20bb GM |
5875 | } |
5876 | } | |
5877 | ||
5878 | ||
5879 | DEFUN ("clear-image-cache", Fclear_image_cache, Sclear_image_cache, | |
5880 | 0, 1, 0, | |
5881 | "Clear the image cache of FRAME.\n\ | |
5882 | FRAME nil or omitted means use the selected frame.\n\ | |
5883 | FRAME t means clear the image caches of all frames.") | |
5884 | (frame) | |
5885 | Lisp_Object frame; | |
5886 | { | |
5887 | if (EQ (frame, Qt)) | |
5888 | { | |
5889 | Lisp_Object tail; | |
5890 | ||
5891 | FOR_EACH_FRAME (tail, frame) | |
5892 | if (FRAME_X_P (XFRAME (frame))) | |
5893 | clear_image_cache (XFRAME (frame), 1); | |
5894 | } | |
5895 | else | |
5896 | clear_image_cache (check_x_frame (frame), 1); | |
5897 | ||
5898 | return Qnil; | |
5899 | } | |
5900 | ||
5901 | ||
5902 | /* Return the id of image with Lisp specification SPEC on frame F. | |
83676598 | 5903 | SPEC must be a valid Lisp image specification (see valid_image_p). */ |
333b20bb GM |
5904 | |
5905 | int | |
83676598 | 5906 | lookup_image (f, spec) |
333b20bb GM |
5907 | struct frame *f; |
5908 | Lisp_Object spec; | |
5909 | { | |
5910 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); | |
5911 | struct image *img; | |
5912 | int i; | |
5913 | unsigned hash; | |
5914 | struct gcpro gcpro1; | |
4f7ca1f1 | 5915 | EMACS_TIME now; |
333b20bb GM |
5916 | |
5917 | /* F must be a window-system frame, and SPEC must be a valid image | |
5918 | specification. */ | |
5919 | xassert (FRAME_WINDOW_P (f)); | |
5920 | xassert (valid_image_p (spec)); | |
5921 | ||
5922 | GCPRO1 (spec); | |
5923 | ||
5924 | /* Look up SPEC in the hash table of the image cache. */ | |
5925 | hash = sxhash (spec, 0); | |
5926 | i = hash % IMAGE_CACHE_BUCKETS_SIZE; | |
5927 | ||
5928 | for (img = c->buckets[i]; img; img = img->next) | |
5929 | if (img->hash == hash && !NILP (Fequal (img->spec, spec))) | |
5930 | break; | |
5931 | ||
5932 | /* If not found, create a new image and cache it. */ | |
5933 | if (img == NULL) | |
5934 | { | |
28c7826c | 5935 | BLOCK_INPUT; |
333b20bb GM |
5936 | img = make_image (spec, hash); |
5937 | cache_image (f, img); | |
83676598 | 5938 | img->load_failed_p = img->type->load (f, img) == 0; |
333b20bb GM |
5939 | |
5940 | /* If we can't load the image, and we don't have a width and | |
5941 | height, use some arbitrary width and height so that we can | |
5942 | draw a rectangle for it. */ | |
83676598 | 5943 | if (img->load_failed_p) |
333b20bb GM |
5944 | { |
5945 | Lisp_Object value; | |
5946 | ||
5947 | value = image_spec_value (spec, QCwidth, NULL); | |
5948 | img->width = (INTEGERP (value) | |
5949 | ? XFASTINT (value) : DEFAULT_IMAGE_WIDTH); | |
5950 | value = image_spec_value (spec, QCheight, NULL); | |
5951 | img->height = (INTEGERP (value) | |
5952 | ? XFASTINT (value) : DEFAULT_IMAGE_HEIGHT); | |
5953 | } | |
5954 | else | |
5955 | { | |
5956 | /* Handle image type independent image attributes | |
7c7ff7f5 | 5957 | `:ascent ASCENT', `:margin MARGIN', `:relief RELIEF'. */ |
14819cb3 | 5958 | Lisp_Object ascent, margin, relief; |
333b20bb GM |
5959 | |
5960 | ascent = image_spec_value (spec, QCascent, NULL); | |
5961 | if (INTEGERP (ascent)) | |
5962 | img->ascent = XFASTINT (ascent); | |
7c7ff7f5 GM |
5963 | else if (EQ (ascent, Qcenter)) |
5964 | img->ascent = CENTERED_IMAGE_ASCENT; | |
333b20bb GM |
5965 | |
5966 | margin = image_spec_value (spec, QCmargin, NULL); | |
5967 | if (INTEGERP (margin) && XINT (margin) >= 0) | |
3ed61e75 GM |
5968 | img->vmargin = img->hmargin = XFASTINT (margin); |
5969 | else if (CONSP (margin) && INTEGERP (XCAR (margin)) | |
5970 | && INTEGERP (XCDR (margin))) | |
5971 | { | |
5972 | if (XINT (XCAR (margin)) > 0) | |
5973 | img->hmargin = XFASTINT (XCAR (margin)); | |
5974 | if (XINT (XCDR (margin)) > 0) | |
5975 | img->vmargin = XFASTINT (XCDR (margin)); | |
5976 | } | |
333b20bb GM |
5977 | |
5978 | relief = image_spec_value (spec, QCrelief, NULL); | |
5979 | if (INTEGERP (relief)) | |
5980 | { | |
5981 | img->relief = XINT (relief); | |
3ed61e75 GM |
5982 | img->hmargin += abs (img->relief); |
5983 | img->vmargin += abs (img->relief); | |
333b20bb GM |
5984 | } |
5985 | ||
4a8e312c GM |
5986 | /* Manipulation of the image's mask. */ |
5987 | if (img->pixmap) | |
5988 | { | |
5989 | /* `:heuristic-mask t' | |
5990 | `:mask heuristic' | |
5991 | means build a mask heuristically. | |
5992 | `:heuristic-mask (R G B)' | |
5993 | `:mask (heuristic (R G B))' | |
b243755a | 5994 | means build a mask from color (R G B) in the |
4a8e312c GM |
5995 | image. |
5996 | `:mask nil' | |
5997 | means remove a mask, if any. */ | |
5998 | ||
5999 | Lisp_Object mask; | |
333b20bb | 6000 | |
4a8e312c GM |
6001 | mask = image_spec_value (spec, QCheuristic_mask, NULL); |
6002 | if (!NILP (mask)) | |
6003 | x_build_heuristic_mask (f, img, mask); | |
6004 | else | |
6005 | { | |
6006 | int found_p; | |
6007 | ||
6008 | mask = image_spec_value (spec, QCmask, &found_p); | |
6009 | ||
6010 | if (EQ (mask, Qheuristic)) | |
6011 | x_build_heuristic_mask (f, img, Qt); | |
6012 | else if (CONSP (mask) | |
6013 | && EQ (XCAR (mask), Qheuristic)) | |
6014 | { | |
6015 | if (CONSP (XCDR (mask))) | |
6016 | x_build_heuristic_mask (f, img, XCAR (XCDR (mask))); | |
6017 | else | |
6018 | x_build_heuristic_mask (f, img, XCDR (mask)); | |
6019 | } | |
6020 | else if (NILP (mask) && found_p && img->mask) | |
6021 | { | |
4a8e312c | 6022 | XFreePixmap (FRAME_X_DISPLAY (f), img->mask); |
dd00328a | 6023 | img->mask = None; |
4a8e312c GM |
6024 | } |
6025 | } | |
6026 | } | |
14819cb3 GM |
6027 | |
6028 | /* Should we apply an image transformation algorithm? */ | |
6029 | if (img->pixmap) | |
6030 | { | |
d2dc8167 | 6031 | Lisp_Object conversion; |
14819cb3 | 6032 | |
d2dc8167 GM |
6033 | conversion = image_spec_value (spec, QCconversion, NULL); |
6034 | if (EQ (conversion, Qdisabled)) | |
14819cb3 | 6035 | x_disable_image (f, img); |
d2dc8167 | 6036 | else if (EQ (conversion, Qlaplace)) |
14819cb3 | 6037 | x_laplace (f, img); |
d2dc8167 | 6038 | else if (EQ (conversion, Qemboss)) |
14819cb3 | 6039 | x_emboss (f, img); |
d2dc8167 GM |
6040 | else if (CONSP (conversion) |
6041 | && EQ (XCAR (conversion), Qedge_detection)) | |
14819cb3 GM |
6042 | { |
6043 | Lisp_Object tem; | |
d2dc8167 | 6044 | tem = XCDR (conversion); |
14819cb3 GM |
6045 | if (CONSP (tem)) |
6046 | x_edge_detection (f, img, | |
6047 | Fplist_get (tem, QCmatrix), | |
6048 | Fplist_get (tem, QCcolor_adjustment)); | |
6049 | } | |
6050 | } | |
333b20bb | 6051 | } |
dd00328a | 6052 | |
28c7826c GM |
6053 | UNBLOCK_INPUT; |
6054 | xassert (!interrupt_input_blocked); | |
333b20bb GM |
6055 | } |
6056 | ||
4f7ca1f1 GM |
6057 | /* We're using IMG, so set its timestamp to `now'. */ |
6058 | EMACS_GET_TIME (now); | |
6059 | img->timestamp = EMACS_SECS (now); | |
6060 | ||
333b20bb GM |
6061 | UNGCPRO; |
6062 | ||
6063 | /* Value is the image id. */ | |
6064 | return img->id; | |
6065 | } | |
6066 | ||
6067 | ||
6068 | /* Cache image IMG in the image cache of frame F. */ | |
6069 | ||
6070 | static void | |
6071 | cache_image (f, img) | |
6072 | struct frame *f; | |
6073 | struct image *img; | |
6074 | { | |
6075 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); | |
6076 | int i; | |
6077 | ||
6078 | /* Find a free slot in c->images. */ | |
6079 | for (i = 0; i < c->used; ++i) | |
6080 | if (c->images[i] == NULL) | |
6081 | break; | |
6082 | ||
6083 | /* If no free slot found, maybe enlarge c->images. */ | |
6084 | if (i == c->used && c->used == c->size) | |
6085 | { | |
6086 | c->size *= 2; | |
6087 | c->images = (struct image **) xrealloc (c->images, | |
6088 | c->size * sizeof *c->images); | |
6089 | } | |
6090 | ||
6091 | /* Add IMG to c->images, and assign IMG an id. */ | |
6092 | c->images[i] = img; | |
6093 | img->id = i; | |
6094 | if (i == c->used) | |
6095 | ++c->used; | |
6096 | ||
6097 | /* Add IMG to the cache's hash table. */ | |
6098 | i = img->hash % IMAGE_CACHE_BUCKETS_SIZE; | |
6099 | img->next = c->buckets[i]; | |
6100 | if (img->next) | |
6101 | img->next->prev = img; | |
6102 | img->prev = NULL; | |
6103 | c->buckets[i] = img; | |
6104 | } | |
6105 | ||
6106 | ||
6107 | /* Call FN on every image in the image cache of frame F. Used to mark | |
6108 | Lisp Objects in the image cache. */ | |
6109 | ||
6110 | void | |
6111 | forall_images_in_image_cache (f, fn) | |
6112 | struct frame *f; | |
6113 | void (*fn) P_ ((struct image *img)); | |
6114 | { | |
6115 | if (FRAME_LIVE_P (f) && FRAME_X_P (f)) | |
6116 | { | |
6117 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); | |
6118 | if (c) | |
6119 | { | |
6120 | int i; | |
6121 | for (i = 0; i < c->used; ++i) | |
6122 | if (c->images[i]) | |
6123 | fn (c->images[i]); | |
6124 | } | |
6125 | } | |
6126 | } | |
6127 | ||
6128 | ||
6129 | \f | |
6130 | /*********************************************************************** | |
6131 | X support code | |
6132 | ***********************************************************************/ | |
6133 | ||
45158a91 GM |
6134 | static int x_create_x_image_and_pixmap P_ ((struct frame *, int, int, int, |
6135 | XImage **, Pixmap *)); | |
333b20bb GM |
6136 | static void x_destroy_x_image P_ ((XImage *)); |
6137 | static void x_put_x_image P_ ((struct frame *, XImage *, Pixmap, int, int)); | |
6138 | ||
6139 | ||
6140 | /* Create an XImage and a pixmap of size WIDTH x HEIGHT for use on | |
6141 | frame F. Set *XIMG and *PIXMAP to the XImage and Pixmap created. | |
6142 | Set (*XIMG)->data to a raster of WIDTH x HEIGHT pixels allocated | |
6143 | via xmalloc. Print error messages via image_error if an error | |
45158a91 | 6144 | occurs. Value is non-zero if successful. */ |
333b20bb GM |
6145 | |
6146 | static int | |
45158a91 | 6147 | x_create_x_image_and_pixmap (f, width, height, depth, ximg, pixmap) |
333b20bb | 6148 | struct frame *f; |
333b20bb GM |
6149 | int width, height, depth; |
6150 | XImage **ximg; | |
6151 | Pixmap *pixmap; | |
6152 | { | |
6153 | Display *display = FRAME_X_DISPLAY (f); | |
6154 | Screen *screen = FRAME_X_SCREEN (f); | |
6155 | Window window = FRAME_X_WINDOW (f); | |
6156 | ||
6157 | xassert (interrupt_input_blocked); | |
6158 | ||
6159 | if (depth <= 0) | |
6160 | depth = DefaultDepthOfScreen (screen); | |
6161 | *ximg = XCreateImage (display, DefaultVisualOfScreen (screen), | |
6162 | depth, ZPixmap, 0, NULL, width, height, | |
6163 | depth > 16 ? 32 : depth > 8 ? 16 : 8, 0); | |
6164 | if (*ximg == NULL) | |
6165 | { | |
45158a91 | 6166 | image_error ("Unable to allocate X image", Qnil, Qnil); |
333b20bb GM |
6167 | return 0; |
6168 | } | |
6169 | ||
6170 | /* Allocate image raster. */ | |
6171 | (*ximg)->data = (char *) xmalloc ((*ximg)->bytes_per_line * height); | |
6172 | ||
6173 | /* Allocate a pixmap of the same size. */ | |
6174 | *pixmap = XCreatePixmap (display, window, width, height, depth); | |
dd00328a | 6175 | if (*pixmap == None) |
333b20bb GM |
6176 | { |
6177 | x_destroy_x_image (*ximg); | |
6178 | *ximg = NULL; | |
45158a91 | 6179 | image_error ("Unable to create X pixmap", Qnil, Qnil); |
333b20bb GM |
6180 | return 0; |
6181 | } | |
6182 | ||
6183 | return 1; | |
6184 | } | |
6185 | ||
6186 | ||
6187 | /* Destroy XImage XIMG. Free XIMG->data. */ | |
6188 | ||
6189 | static void | |
6190 | x_destroy_x_image (ximg) | |
6191 | XImage *ximg; | |
6192 | { | |
6193 | xassert (interrupt_input_blocked); | |
6194 | if (ximg) | |
6195 | { | |
6196 | xfree (ximg->data); | |
6197 | ximg->data = NULL; | |
6198 | XDestroyImage (ximg); | |
6199 | } | |
6200 | } | |
6201 | ||
6202 | ||
6203 | /* Put XImage XIMG into pixmap PIXMAP on frame F. WIDTH and HEIGHT | |
6204 | are width and height of both the image and pixmap. */ | |
6205 | ||
ea6b19ca | 6206 | static void |
333b20bb GM |
6207 | x_put_x_image (f, ximg, pixmap, width, height) |
6208 | struct frame *f; | |
6209 | XImage *ximg; | |
6210 | Pixmap pixmap; | |
6211 | { | |
6212 | GC gc; | |
6213 | ||
6214 | xassert (interrupt_input_blocked); | |
6215 | gc = XCreateGC (FRAME_X_DISPLAY (f), pixmap, 0, NULL); | |
6216 | XPutImage (FRAME_X_DISPLAY (f), pixmap, gc, ximg, 0, 0, 0, 0, width, height); | |
6217 | XFreeGC (FRAME_X_DISPLAY (f), gc); | |
6218 | } | |
6219 | ||
6220 | ||
6221 | \f | |
6222 | /*********************************************************************** | |
5be6c3b0 | 6223 | File Handling |
333b20bb GM |
6224 | ***********************************************************************/ |
6225 | ||
6226 | static Lisp_Object x_find_image_file P_ ((Lisp_Object)); | |
5be6c3b0 GM |
6227 | static char *slurp_file P_ ((char *, int *)); |
6228 | ||
333b20bb GM |
6229 | |
6230 | /* Find image file FILE. Look in data-directory, then | |
6231 | x-bitmap-file-path. Value is the full name of the file found, or | |
6232 | nil if not found. */ | |
6233 | ||
6234 | static Lisp_Object | |
6235 | x_find_image_file (file) | |
6236 | Lisp_Object file; | |
6237 | { | |
6238 | Lisp_Object file_found, search_path; | |
6239 | struct gcpro gcpro1, gcpro2; | |
6240 | int fd; | |
6241 | ||
6242 | file_found = Qnil; | |
6243 | search_path = Fcons (Vdata_directory, Vx_bitmap_file_path); | |
6244 | GCPRO2 (file_found, search_path); | |
6245 | ||
6246 | /* Try to find FILE in data-directory, then x-bitmap-file-path. */ | |
6247 | fd = openp (search_path, file, "", &file_found, 0); | |
6248 | ||
939d6465 | 6249 | if (fd == -1) |
333b20bb GM |
6250 | file_found = Qnil; |
6251 | else | |
6252 | close (fd); | |
6253 | ||
6254 | UNGCPRO; | |
6255 | return file_found; | |
6256 | } | |
6257 | ||
6258 | ||
5be6c3b0 GM |
6259 | /* Read FILE into memory. Value is a pointer to a buffer allocated |
6260 | with xmalloc holding FILE's contents. Value is null if an error | |
b243755a | 6261 | occurred. *SIZE is set to the size of the file. */ |
5be6c3b0 GM |
6262 | |
6263 | static char * | |
6264 | slurp_file (file, size) | |
6265 | char *file; | |
6266 | int *size; | |
6267 | { | |
6268 | FILE *fp = NULL; | |
6269 | char *buf = NULL; | |
6270 | struct stat st; | |
6271 | ||
6272 | if (stat (file, &st) == 0 | |
6273 | && (fp = fopen (file, "r")) != NULL | |
6274 | && (buf = (char *) xmalloc (st.st_size), | |
6275 | fread (buf, 1, st.st_size, fp) == st.st_size)) | |
6276 | { | |
6277 | *size = st.st_size; | |
6278 | fclose (fp); | |
6279 | } | |
6280 | else | |
6281 | { | |
6282 | if (fp) | |
6283 | fclose (fp); | |
6284 | if (buf) | |
6285 | { | |
6286 | xfree (buf); | |
6287 | buf = NULL; | |
6288 | } | |
6289 | } | |
6290 | ||
6291 | return buf; | |
6292 | } | |
6293 | ||
6294 | ||
333b20bb GM |
6295 | \f |
6296 | /*********************************************************************** | |
6297 | XBM images | |
6298 | ***********************************************************************/ | |
6299 | ||
5be6c3b0 | 6300 | static int xbm_scan P_ ((char **, char *, char *, int *)); |
333b20bb | 6301 | static int xbm_load P_ ((struct frame *f, struct image *img)); |
5be6c3b0 GM |
6302 | static int xbm_load_image P_ ((struct frame *f, struct image *img, |
6303 | char *, char *)); | |
333b20bb | 6304 | static int xbm_image_p P_ ((Lisp_Object object)); |
5be6c3b0 GM |
6305 | static int xbm_read_bitmap_data P_ ((char *, char *, int *, int *, |
6306 | unsigned char **)); | |
6307 | static int xbm_file_p P_ ((Lisp_Object)); | |
333b20bb GM |
6308 | |
6309 | ||
6310 | /* Indices of image specification fields in xbm_format, below. */ | |
6311 | ||
6312 | enum xbm_keyword_index | |
6313 | { | |
6314 | XBM_TYPE, | |
6315 | XBM_FILE, | |
6316 | XBM_WIDTH, | |
6317 | XBM_HEIGHT, | |
6318 | XBM_DATA, | |
6319 | XBM_FOREGROUND, | |
6320 | XBM_BACKGROUND, | |
6321 | XBM_ASCENT, | |
6322 | XBM_MARGIN, | |
6323 | XBM_RELIEF, | |
6324 | XBM_ALGORITHM, | |
6325 | XBM_HEURISTIC_MASK, | |
4a8e312c | 6326 | XBM_MASK, |
333b20bb GM |
6327 | XBM_LAST |
6328 | }; | |
6329 | ||
6330 | /* Vector of image_keyword structures describing the format | |
6331 | of valid XBM image specifications. */ | |
6332 | ||
6333 | static struct image_keyword xbm_format[XBM_LAST] = | |
6334 | { | |
6335 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
6336 | {":file", IMAGE_STRING_VALUE, 0}, | |
6337 | {":width", IMAGE_POSITIVE_INTEGER_VALUE, 0}, | |
6338 | {":height", IMAGE_POSITIVE_INTEGER_VALUE, 0}, | |
6339 | {":data", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, | |
6340 | {":foreground", IMAGE_STRING_VALUE, 0}, | |
6341 | {":background", IMAGE_STRING_VALUE, 0}, | |
7c7ff7f5 | 6342 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
3ed61e75 | 6343 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
333b20bb | 6344 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
d2dc8167 | 6345 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
4a8e312c GM |
6346 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
6347 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0} | |
333b20bb GM |
6348 | }; |
6349 | ||
6350 | /* Structure describing the image type XBM. */ | |
6351 | ||
6352 | static struct image_type xbm_type = | |
6353 | { | |
6354 | &Qxbm, | |
6355 | xbm_image_p, | |
6356 | xbm_load, | |
6357 | x_clear_image, | |
6358 | NULL | |
6359 | }; | |
6360 | ||
6361 | /* Tokens returned from xbm_scan. */ | |
6362 | ||
6363 | enum xbm_token | |
6364 | { | |
6365 | XBM_TK_IDENT = 256, | |
6366 | XBM_TK_NUMBER | |
6367 | }; | |
6368 | ||
6369 | ||
6370 | /* Return non-zero if OBJECT is a valid XBM-type image specification. | |
6371 | A valid specification is a list starting with the symbol `image' | |
6372 | The rest of the list is a property list which must contain an | |
6373 | entry `:type xbm.. | |
6374 | ||
6375 | If the specification specifies a file to load, it must contain | |
6376 | an entry `:file FILENAME' where FILENAME is a string. | |
6377 | ||
6378 | If the specification is for a bitmap loaded from memory it must | |
6379 | contain `:width WIDTH', `:height HEIGHT', and `:data DATA', where | |
6380 | WIDTH and HEIGHT are integers > 0. DATA may be: | |
6381 | ||
6382 | 1. a string large enough to hold the bitmap data, i.e. it must | |
6383 | have a size >= (WIDTH + 7) / 8 * HEIGHT | |
6384 | ||
6385 | 2. a bool-vector of size >= WIDTH * HEIGHT | |
6386 | ||
6387 | 3. a vector of strings or bool-vectors, one for each line of the | |
6388 | bitmap. | |
6389 | ||
5be6c3b0 GM |
6390 | 4. A string containing an in-memory XBM file. WIDTH and HEIGHT |
6391 | may not be specified in this case because they are defined in the | |
6392 | XBM file. | |
6393 | ||
333b20bb GM |
6394 | Both the file and data forms may contain the additional entries |
6395 | `:background COLOR' and `:foreground COLOR'. If not present, | |
6396 | foreground and background of the frame on which the image is | |
e3130015 | 6397 | displayed is used. */ |
333b20bb GM |
6398 | |
6399 | static int | |
6400 | xbm_image_p (object) | |
6401 | Lisp_Object object; | |
6402 | { | |
6403 | struct image_keyword kw[XBM_LAST]; | |
6404 | ||
6405 | bcopy (xbm_format, kw, sizeof kw); | |
bfd2209f | 6406 | if (!parse_image_spec (object, kw, XBM_LAST, Qxbm)) |
333b20bb GM |
6407 | return 0; |
6408 | ||
6409 | xassert (EQ (kw[XBM_TYPE].value, Qxbm)); | |
6410 | ||
6411 | if (kw[XBM_FILE].count) | |
6412 | { | |
6413 | if (kw[XBM_WIDTH].count || kw[XBM_HEIGHT].count || kw[XBM_DATA].count) | |
6414 | return 0; | |
6415 | } | |
5be6c3b0 GM |
6416 | else if (kw[XBM_DATA].count && xbm_file_p (kw[XBM_DATA].value)) |
6417 | { | |
6418 | /* In-memory XBM file. */ | |
6419 | if (kw[XBM_WIDTH].count || kw[XBM_HEIGHT].count || kw[XBM_FILE].count) | |
6420 | return 0; | |
6421 | } | |
333b20bb GM |
6422 | else |
6423 | { | |
6424 | Lisp_Object data; | |
6425 | int width, height; | |
6426 | ||
6427 | /* Entries for `:width', `:height' and `:data' must be present. */ | |
6428 | if (!kw[XBM_WIDTH].count | |
6429 | || !kw[XBM_HEIGHT].count | |
6430 | || !kw[XBM_DATA].count) | |
6431 | return 0; | |
6432 | ||
6433 | data = kw[XBM_DATA].value; | |
6434 | width = XFASTINT (kw[XBM_WIDTH].value); | |
6435 | height = XFASTINT (kw[XBM_HEIGHT].value); | |
6436 | ||
6437 | /* Check type of data, and width and height against contents of | |
6438 | data. */ | |
6439 | if (VECTORP (data)) | |
6440 | { | |
6441 | int i; | |
6442 | ||
6443 | /* Number of elements of the vector must be >= height. */ | |
6444 | if (XVECTOR (data)->size < height) | |
6445 | return 0; | |
6446 | ||
6447 | /* Each string or bool-vector in data must be large enough | |
6448 | for one line of the image. */ | |
6449 | for (i = 0; i < height; ++i) | |
6450 | { | |
6451 | Lisp_Object elt = XVECTOR (data)->contents[i]; | |
6452 | ||
6453 | if (STRINGP (elt)) | |
6454 | { | |
6455 | if (XSTRING (elt)->size | |
6456 | < (width + BITS_PER_CHAR - 1) / BITS_PER_CHAR) | |
6457 | return 0; | |
6458 | } | |
6459 | else if (BOOL_VECTOR_P (elt)) | |
6460 | { | |
6461 | if (XBOOL_VECTOR (elt)->size < width) | |
6462 | return 0; | |
6463 | } | |
6464 | else | |
6465 | return 0; | |
6466 | } | |
6467 | } | |
6468 | else if (STRINGP (data)) | |
6469 | { | |
6470 | if (XSTRING (data)->size | |
6471 | < (width + BITS_PER_CHAR - 1) / BITS_PER_CHAR * height) | |
6472 | return 0; | |
6473 | } | |
6474 | else if (BOOL_VECTOR_P (data)) | |
6475 | { | |
6476 | if (XBOOL_VECTOR (data)->size < width * height) | |
6477 | return 0; | |
6478 | } | |
6479 | else | |
6480 | return 0; | |
6481 | } | |
6482 | ||
333b20bb GM |
6483 | return 1; |
6484 | } | |
6485 | ||
6486 | ||
6487 | /* Scan a bitmap file. FP is the stream to read from. Value is | |
6488 | either an enumerator from enum xbm_token, or a character for a | |
6489 | single-character token, or 0 at end of file. If scanning an | |
6490 | identifier, store the lexeme of the identifier in SVAL. If | |
6491 | scanning a number, store its value in *IVAL. */ | |
6492 | ||
6493 | static int | |
5be6c3b0 GM |
6494 | xbm_scan (s, end, sval, ival) |
6495 | char **s, *end; | |
333b20bb GM |
6496 | char *sval; |
6497 | int *ival; | |
6498 | { | |
6499 | int c; | |
0a695da7 GM |
6500 | |
6501 | loop: | |
333b20bb GM |
6502 | |
6503 | /* Skip white space. */ | |
5be6c3b0 | 6504 | while (*s < end && (c = *(*s)++, isspace (c))) |
333b20bb GM |
6505 | ; |
6506 | ||
5be6c3b0 | 6507 | if (*s >= end) |
333b20bb GM |
6508 | c = 0; |
6509 | else if (isdigit (c)) | |
6510 | { | |
6511 | int value = 0, digit; | |
6512 | ||
5be6c3b0 | 6513 | if (c == '0' && *s < end) |
333b20bb | 6514 | { |
5be6c3b0 | 6515 | c = *(*s)++; |
333b20bb GM |
6516 | if (c == 'x' || c == 'X') |
6517 | { | |
5be6c3b0 | 6518 | while (*s < end) |
333b20bb | 6519 | { |
5be6c3b0 | 6520 | c = *(*s)++; |
333b20bb GM |
6521 | if (isdigit (c)) |
6522 | digit = c - '0'; | |
6523 | else if (c >= 'a' && c <= 'f') | |
6524 | digit = c - 'a' + 10; | |
6525 | else if (c >= 'A' && c <= 'F') | |
6526 | digit = c - 'A' + 10; | |
6527 | else | |
6528 | break; | |
6529 | value = 16 * value + digit; | |
6530 | } | |
6531 | } | |
6532 | else if (isdigit (c)) | |
6533 | { | |
6534 | value = c - '0'; | |
5be6c3b0 GM |
6535 | while (*s < end |
6536 | && (c = *(*s)++, isdigit (c))) | |
333b20bb GM |
6537 | value = 8 * value + c - '0'; |
6538 | } | |
6539 | } | |
6540 | else | |
6541 | { | |
6542 | value = c - '0'; | |
5be6c3b0 GM |
6543 | while (*s < end |
6544 | && (c = *(*s)++, isdigit (c))) | |
333b20bb GM |
6545 | value = 10 * value + c - '0'; |
6546 | } | |
6547 | ||
5be6c3b0 GM |
6548 | if (*s < end) |
6549 | *s = *s - 1; | |
333b20bb GM |
6550 | *ival = value; |
6551 | c = XBM_TK_NUMBER; | |
6552 | } | |
6553 | else if (isalpha (c) || c == '_') | |
6554 | { | |
6555 | *sval++ = c; | |
5be6c3b0 GM |
6556 | while (*s < end |
6557 | && (c = *(*s)++, (isalnum (c) || c == '_'))) | |
333b20bb GM |
6558 | *sval++ = c; |
6559 | *sval = 0; | |
5be6c3b0 GM |
6560 | if (*s < end) |
6561 | *s = *s - 1; | |
333b20bb GM |
6562 | c = XBM_TK_IDENT; |
6563 | } | |
0a695da7 GM |
6564 | else if (c == '/' && **s == '*') |
6565 | { | |
6566 | /* C-style comment. */ | |
6567 | ++*s; | |
6568 | while (**s && (**s != '*' || *(*s + 1) != '/')) | |
6569 | ++*s; | |
6570 | if (**s) | |
6571 | { | |
6572 | *s += 2; | |
6573 | goto loop; | |
6574 | } | |
6575 | } | |
333b20bb GM |
6576 | |
6577 | return c; | |
6578 | } | |
6579 | ||
6580 | ||
6581 | /* Replacement for XReadBitmapFileData which isn't available under old | |
5be6c3b0 GM |
6582 | X versions. CONTENTS is a pointer to a buffer to parse; END is the |
6583 | buffer's end. Set *WIDTH and *HEIGHT to the width and height of | |
6584 | the image. Return in *DATA the bitmap data allocated with xmalloc. | |
6585 | Value is non-zero if successful. DATA null means just test if | |
b243755a | 6586 | CONTENTS looks like an in-memory XBM file. */ |
333b20bb GM |
6587 | |
6588 | static int | |
5be6c3b0 GM |
6589 | xbm_read_bitmap_data (contents, end, width, height, data) |
6590 | char *contents, *end; | |
333b20bb GM |
6591 | int *width, *height; |
6592 | unsigned char **data; | |
6593 | { | |
5be6c3b0 | 6594 | char *s = contents; |
333b20bb GM |
6595 | char buffer[BUFSIZ]; |
6596 | int padding_p = 0; | |
6597 | int v10 = 0; | |
6598 | int bytes_per_line, i, nbytes; | |
6599 | unsigned char *p; | |
6600 | int value; | |
6601 | int LA1; | |
6602 | ||
6603 | #define match() \ | |
5be6c3b0 | 6604 | LA1 = xbm_scan (&s, end, buffer, &value) |
333b20bb GM |
6605 | |
6606 | #define expect(TOKEN) \ | |
6607 | if (LA1 != (TOKEN)) \ | |
6608 | goto failure; \ | |
6609 | else \ | |
6610 | match () | |
6611 | ||
6612 | #define expect_ident(IDENT) \ | |
6613 | if (LA1 == XBM_TK_IDENT && strcmp (buffer, (IDENT)) == 0) \ | |
6614 | match (); \ | |
6615 | else \ | |
6616 | goto failure | |
6617 | ||
333b20bb | 6618 | *width = *height = -1; |
5be6c3b0 GM |
6619 | if (data) |
6620 | *data = NULL; | |
6621 | LA1 = xbm_scan (&s, end, buffer, &value); | |
333b20bb GM |
6622 | |
6623 | /* Parse defines for width, height and hot-spots. */ | |
6624 | while (LA1 == '#') | |
6625 | { | |
333b20bb GM |
6626 | match (); |
6627 | expect_ident ("define"); | |
6628 | expect (XBM_TK_IDENT); | |
6629 | ||
6630 | if (LA1 == XBM_TK_NUMBER); | |
6631 | { | |
6632 | char *p = strrchr (buffer, '_'); | |
6633 | p = p ? p + 1 : buffer; | |
6634 | if (strcmp (p, "width") == 0) | |
6635 | *width = value; | |
6636 | else if (strcmp (p, "height") == 0) | |
6637 | *height = value; | |
6638 | } | |
6639 | expect (XBM_TK_NUMBER); | |
6640 | } | |
6641 | ||
6642 | if (*width < 0 || *height < 0) | |
6643 | goto failure; | |
5be6c3b0 GM |
6644 | else if (data == NULL) |
6645 | goto success; | |
333b20bb GM |
6646 | |
6647 | /* Parse bits. Must start with `static'. */ | |
6648 | expect_ident ("static"); | |
6649 | if (LA1 == XBM_TK_IDENT) | |
6650 | { | |
6651 | if (strcmp (buffer, "unsigned") == 0) | |
6652 | { | |
6653 | match (); | |
6654 | expect_ident ("char"); | |
6655 | } | |
6656 | else if (strcmp (buffer, "short") == 0) | |
6657 | { | |
6658 | match (); | |
6659 | v10 = 1; | |
6660 | if (*width % 16 && *width % 16 < 9) | |
6661 | padding_p = 1; | |
6662 | } | |
6663 | else if (strcmp (buffer, "char") == 0) | |
6664 | match (); | |
6665 | else | |
6666 | goto failure; | |
6667 | } | |
6668 | else | |
6669 | goto failure; | |
6670 | ||
6671 | expect (XBM_TK_IDENT); | |
6672 | expect ('['); | |
6673 | expect (']'); | |
6674 | expect ('='); | |
6675 | expect ('{'); | |
6676 | ||
6677 | bytes_per_line = (*width + 7) / 8 + padding_p; | |
6678 | nbytes = bytes_per_line * *height; | |
6679 | p = *data = (char *) xmalloc (nbytes); | |
6680 | ||
6681 | if (v10) | |
6682 | { | |
333b20bb GM |
6683 | for (i = 0; i < nbytes; i += 2) |
6684 | { | |
6685 | int val = value; | |
6686 | expect (XBM_TK_NUMBER); | |
6687 | ||
6688 | *p++ = val; | |
6689 | if (!padding_p || ((i + 2) % bytes_per_line)) | |
6690 | *p++ = value >> 8; | |
6691 | ||
6692 | if (LA1 == ',' || LA1 == '}') | |
6693 | match (); | |
6694 | else | |
6695 | goto failure; | |
6696 | } | |
6697 | } | |
6698 | else | |
6699 | { | |
6700 | for (i = 0; i < nbytes; ++i) | |
6701 | { | |
6702 | int val = value; | |
6703 | expect (XBM_TK_NUMBER); | |
6704 | ||
6705 | *p++ = val; | |
6706 | ||
6707 | if (LA1 == ',' || LA1 == '}') | |
6708 | match (); | |
6709 | else | |
6710 | goto failure; | |
6711 | } | |
6712 | } | |
6713 | ||
5be6c3b0 | 6714 | success: |
333b20bb GM |
6715 | return 1; |
6716 | ||
6717 | failure: | |
6718 | ||
5be6c3b0 | 6719 | if (data && *data) |
333b20bb GM |
6720 | { |
6721 | xfree (*data); | |
6722 | *data = NULL; | |
6723 | } | |
6724 | return 0; | |
6725 | ||
6726 | #undef match | |
6727 | #undef expect | |
6728 | #undef expect_ident | |
6729 | } | |
6730 | ||
6731 | ||
5be6c3b0 GM |
6732 | /* Load XBM image IMG which will be displayed on frame F from buffer |
6733 | CONTENTS. END is the end of the buffer. Value is non-zero if | |
6734 | successful. */ | |
333b20bb GM |
6735 | |
6736 | static int | |
5be6c3b0 | 6737 | xbm_load_image (f, img, contents, end) |
333b20bb GM |
6738 | struct frame *f; |
6739 | struct image *img; | |
5be6c3b0 | 6740 | char *contents, *end; |
333b20bb GM |
6741 | { |
6742 | int rc; | |
6743 | unsigned char *data; | |
6744 | int success_p = 0; | |
333b20bb | 6745 | |
5be6c3b0 | 6746 | rc = xbm_read_bitmap_data (contents, end, &img->width, &img->height, &data); |
333b20bb GM |
6747 | if (rc) |
6748 | { | |
6749 | int depth = DefaultDepthOfScreen (FRAME_X_SCREEN (f)); | |
6750 | unsigned long foreground = FRAME_FOREGROUND_PIXEL (f); | |
6751 | unsigned long background = FRAME_BACKGROUND_PIXEL (f); | |
6752 | Lisp_Object value; | |
6753 | ||
6754 | xassert (img->width > 0 && img->height > 0); | |
6755 | ||
6756 | /* Get foreground and background colors, maybe allocate colors. */ | |
6757 | value = image_spec_value (img->spec, QCforeground, NULL); | |
6758 | if (!NILP (value)) | |
6759 | foreground = x_alloc_image_color (f, img, value, foreground); | |
6760 | ||
6761 | value = image_spec_value (img->spec, QCbackground, NULL); | |
6762 | if (!NILP (value)) | |
6763 | background = x_alloc_image_color (f, img, value, background); | |
6764 | ||
333b20bb GM |
6765 | img->pixmap |
6766 | = XCreatePixmapFromBitmapData (FRAME_X_DISPLAY (f), | |
6767 | FRAME_X_WINDOW (f), | |
6768 | data, | |
6769 | img->width, img->height, | |
6770 | foreground, background, | |
6771 | depth); | |
6772 | xfree (data); | |
6773 | ||
dd00328a | 6774 | if (img->pixmap == None) |
333b20bb GM |
6775 | { |
6776 | x_clear_image (f, img); | |
5be6c3b0 | 6777 | image_error ("Unable to create X pixmap for `%s'", img->spec, Qnil); |
333b20bb GM |
6778 | } |
6779 | else | |
6780 | success_p = 1; | |
333b20bb GM |
6781 | } |
6782 | else | |
45158a91 | 6783 | image_error ("Error loading XBM image `%s'", img->spec, Qnil); |
333b20bb | 6784 | |
333b20bb GM |
6785 | return success_p; |
6786 | } | |
6787 | ||
6788 | ||
5be6c3b0 GM |
6789 | /* Value is non-zero if DATA looks like an in-memory XBM file. */ |
6790 | ||
6791 | static int | |
6792 | xbm_file_p (data) | |
6793 | Lisp_Object data; | |
6794 | { | |
6795 | int w, h; | |
6796 | return (STRINGP (data) | |
6797 | && xbm_read_bitmap_data (XSTRING (data)->data, | |
6798 | (XSTRING (data)->data | |
6799 | + STRING_BYTES (XSTRING (data))), | |
6800 | &w, &h, NULL)); | |
6801 | } | |
6802 | ||
6803 | ||
333b20bb GM |
6804 | /* Fill image IMG which is used on frame F with pixmap data. Value is |
6805 | non-zero if successful. */ | |
6806 | ||
6807 | static int | |
6808 | xbm_load (f, img) | |
6809 | struct frame *f; | |
6810 | struct image *img; | |
6811 | { | |
6812 | int success_p = 0; | |
6813 | Lisp_Object file_name; | |
6814 | ||
6815 | xassert (xbm_image_p (img->spec)); | |
6816 | ||
6817 | /* If IMG->spec specifies a file name, create a non-file spec from it. */ | |
6818 | file_name = image_spec_value (img->spec, QCfile, NULL); | |
6819 | if (STRINGP (file_name)) | |
5be6c3b0 GM |
6820 | { |
6821 | Lisp_Object file; | |
6822 | char *contents; | |
6823 | int size; | |
6824 | struct gcpro gcpro1; | |
6825 | ||
6826 | file = x_find_image_file (file_name); | |
6827 | GCPRO1 (file); | |
6828 | if (!STRINGP (file)) | |
6829 | { | |
6830 | image_error ("Cannot find image file `%s'", file_name, Qnil); | |
6831 | UNGCPRO; | |
6832 | return 0; | |
6833 | } | |
6834 | ||
6835 | contents = slurp_file (XSTRING (file)->data, &size); | |
6836 | if (contents == NULL) | |
6837 | { | |
6838 | image_error ("Error loading XBM image `%s'", img->spec, Qnil); | |
6839 | UNGCPRO; | |
6840 | return 0; | |
6841 | } | |
6842 | ||
6843 | success_p = xbm_load_image (f, img, contents, contents + size); | |
6844 | UNGCPRO; | |
6845 | } | |
333b20bb GM |
6846 | else |
6847 | { | |
6848 | struct image_keyword fmt[XBM_LAST]; | |
6849 | Lisp_Object data; | |
6850 | int depth; | |
6851 | unsigned long foreground = FRAME_FOREGROUND_PIXEL (f); | |
6852 | unsigned long background = FRAME_BACKGROUND_PIXEL (f); | |
6853 | char *bits; | |
9b207e8e | 6854 | int parsed_p; |
5be6c3b0 GM |
6855 | int in_memory_file_p = 0; |
6856 | ||
6857 | /* See if data looks like an in-memory XBM file. */ | |
6858 | data = image_spec_value (img->spec, QCdata, NULL); | |
6859 | in_memory_file_p = xbm_file_p (data); | |
333b20bb | 6860 | |
5be6c3b0 | 6861 | /* Parse the image specification. */ |
333b20bb | 6862 | bcopy (xbm_format, fmt, sizeof fmt); |
bfd2209f | 6863 | parsed_p = parse_image_spec (img->spec, fmt, XBM_LAST, Qxbm); |
333b20bb GM |
6864 | xassert (parsed_p); |
6865 | ||
6866 | /* Get specified width, and height. */ | |
5be6c3b0 GM |
6867 | if (!in_memory_file_p) |
6868 | { | |
6869 | img->width = XFASTINT (fmt[XBM_WIDTH].value); | |
6870 | img->height = XFASTINT (fmt[XBM_HEIGHT].value); | |
6871 | xassert (img->width > 0 && img->height > 0); | |
6872 | } | |
333b20bb | 6873 | |
333b20bb GM |
6874 | /* Get foreground and background colors, maybe allocate colors. */ |
6875 | if (fmt[XBM_FOREGROUND].count) | |
6876 | foreground = x_alloc_image_color (f, img, fmt[XBM_FOREGROUND].value, | |
6877 | foreground); | |
6878 | if (fmt[XBM_BACKGROUND].count) | |
6879 | background = x_alloc_image_color (f, img, fmt[XBM_BACKGROUND].value, | |
6880 | background); | |
6881 | ||
5be6c3b0 GM |
6882 | if (in_memory_file_p) |
6883 | success_p = xbm_load_image (f, img, XSTRING (data)->data, | |
6884 | (XSTRING (data)->data | |
6885 | + STRING_BYTES (XSTRING (data)))); | |
6886 | else | |
333b20bb | 6887 | { |
5be6c3b0 GM |
6888 | if (VECTORP (data)) |
6889 | { | |
6890 | int i; | |
6891 | char *p; | |
6892 | int nbytes = (img->width + BITS_PER_CHAR - 1) / BITS_PER_CHAR; | |
333b20bb | 6893 | |
5be6c3b0 GM |
6894 | p = bits = (char *) alloca (nbytes * img->height); |
6895 | for (i = 0; i < img->height; ++i, p += nbytes) | |
6896 | { | |
6897 | Lisp_Object line = XVECTOR (data)->contents[i]; | |
6898 | if (STRINGP (line)) | |
6899 | bcopy (XSTRING (line)->data, p, nbytes); | |
6900 | else | |
6901 | bcopy (XBOOL_VECTOR (line)->data, p, nbytes); | |
6902 | } | |
6903 | } | |
6904 | else if (STRINGP (data)) | |
6905 | bits = XSTRING (data)->data; | |
6906 | else | |
6907 | bits = XBOOL_VECTOR (data)->data; | |
6908 | ||
6909 | /* Create the pixmap. */ | |
6910 | depth = DefaultDepthOfScreen (FRAME_X_SCREEN (f)); | |
6911 | img->pixmap | |
6912 | = XCreatePixmapFromBitmapData (FRAME_X_DISPLAY (f), | |
6913 | FRAME_X_WINDOW (f), | |
6914 | bits, | |
6915 | img->width, img->height, | |
6916 | foreground, background, | |
6917 | depth); | |
6918 | if (img->pixmap) | |
6919 | success_p = 1; | |
6920 | else | |
333b20bb | 6921 | { |
5be6c3b0 GM |
6922 | image_error ("Unable to create pixmap for XBM image `%s'", |
6923 | img->spec, Qnil); | |
6924 | x_clear_image (f, img); | |
333b20bb GM |
6925 | } |
6926 | } | |
333b20bb GM |
6927 | } |
6928 | ||
6929 | return success_p; | |
6930 | } | |
6931 | ||
6932 | ||
6933 | \f | |
6934 | /*********************************************************************** | |
6935 | XPM images | |
6936 | ***********************************************************************/ | |
6937 | ||
6938 | #if HAVE_XPM | |
6939 | ||
6940 | static int xpm_image_p P_ ((Lisp_Object object)); | |
6941 | static int xpm_load P_ ((struct frame *f, struct image *img)); | |
6942 | static int xpm_valid_color_symbols_p P_ ((Lisp_Object)); | |
6943 | ||
6944 | #include "X11/xpm.h" | |
6945 | ||
6946 | /* The symbol `xpm' identifying XPM-format images. */ | |
6947 | ||
6948 | Lisp_Object Qxpm; | |
6949 | ||
6950 | /* Indices of image specification fields in xpm_format, below. */ | |
6951 | ||
6952 | enum xpm_keyword_index | |
6953 | { | |
6954 | XPM_TYPE, | |
6955 | XPM_FILE, | |
6956 | XPM_DATA, | |
6957 | XPM_ASCENT, | |
6958 | XPM_MARGIN, | |
6959 | XPM_RELIEF, | |
6960 | XPM_ALGORITHM, | |
6961 | XPM_HEURISTIC_MASK, | |
4a8e312c | 6962 | XPM_MASK, |
333b20bb GM |
6963 | XPM_COLOR_SYMBOLS, |
6964 | XPM_LAST | |
6965 | }; | |
6966 | ||
6967 | /* Vector of image_keyword structures describing the format | |
6968 | of valid XPM image specifications. */ | |
6969 | ||
6970 | static struct image_keyword xpm_format[XPM_LAST] = | |
6971 | { | |
6972 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
6973 | {":file", IMAGE_STRING_VALUE, 0}, | |
6974 | {":data", IMAGE_STRING_VALUE, 0}, | |
7c7ff7f5 | 6975 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
3ed61e75 | 6976 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
333b20bb | 6977 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
d2dc8167 | 6978 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
333b20bb | 6979 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
4a8e312c | 6980 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
333b20bb GM |
6981 | {":color-symbols", IMAGE_DONT_CHECK_VALUE_TYPE, 0} |
6982 | }; | |
6983 | ||
6984 | /* Structure describing the image type XBM. */ | |
6985 | ||
6986 | static struct image_type xpm_type = | |
6987 | { | |
6988 | &Qxpm, | |
6989 | xpm_image_p, | |
6990 | xpm_load, | |
6991 | x_clear_image, | |
6992 | NULL | |
6993 | }; | |
6994 | ||
6995 | ||
b243755a GM |
6996 | /* Define ALLOC_XPM_COLORS if we can use Emacs' own color allocation |
6997 | functions for allocating image colors. Our own functions handle | |
6998 | color allocation failures more gracefully than the ones on the XPM | |
6999 | lib. */ | |
7000 | ||
7001 | #if defined XpmAllocColor && defined XpmFreeColors && defined XpmColorClosure | |
7002 | #define ALLOC_XPM_COLORS | |
7003 | #endif | |
7004 | ||
7005 | #ifdef ALLOC_XPM_COLORS | |
7006 | ||
f72c62ad | 7007 | static void xpm_init_color_cache P_ ((struct frame *, XpmAttributes *)); |
b243755a GM |
7008 | static void xpm_free_color_cache P_ ((void)); |
7009 | static int xpm_lookup_color P_ ((struct frame *, char *, XColor *)); | |
f72c62ad GM |
7010 | static int xpm_color_bucket P_ ((char *)); |
7011 | static struct xpm_cached_color *xpm_cache_color P_ ((struct frame *, char *, | |
7012 | XColor *, int)); | |
b243755a GM |
7013 | |
7014 | /* An entry in a hash table used to cache color definitions of named | |
7015 | colors. This cache is necessary to speed up XPM image loading in | |
7016 | case we do color allocations ourselves. Without it, we would need | |
7017 | a call to XParseColor per pixel in the image. */ | |
7018 | ||
7019 | struct xpm_cached_color | |
7020 | { | |
7021 | /* Next in collision chain. */ | |
7022 | struct xpm_cached_color *next; | |
7023 | ||
7024 | /* Color definition (RGB and pixel color). */ | |
7025 | XColor color; | |
7026 | ||
7027 | /* Color name. */ | |
7028 | char name[1]; | |
7029 | }; | |
7030 | ||
7031 | /* The hash table used for the color cache, and its bucket vector | |
7032 | size. */ | |
7033 | ||
7034 | #define XPM_COLOR_CACHE_BUCKETS 1001 | |
7035 | struct xpm_cached_color **xpm_color_cache; | |
7036 | ||
b243755a GM |
7037 | /* Initialize the color cache. */ |
7038 | ||
7039 | static void | |
f72c62ad GM |
7040 | xpm_init_color_cache (f, attrs) |
7041 | struct frame *f; | |
7042 | XpmAttributes *attrs; | |
b243755a GM |
7043 | { |
7044 | size_t nbytes = XPM_COLOR_CACHE_BUCKETS * sizeof *xpm_color_cache; | |
7045 | xpm_color_cache = (struct xpm_cached_color **) xmalloc (nbytes); | |
7046 | memset (xpm_color_cache, 0, nbytes); | |
7047 | init_color_table (); | |
f72c62ad GM |
7048 | |
7049 | if (attrs->valuemask & XpmColorSymbols) | |
7050 | { | |
7051 | int i; | |
7052 | XColor color; | |
7053 | ||
7054 | for (i = 0; i < attrs->numsymbols; ++i) | |
7055 | if (XParseColor (FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), | |
7056 | attrs->colorsymbols[i].value, &color)) | |
7057 | { | |
7058 | color.pixel = lookup_rgb_color (f, color.red, color.green, | |
7059 | color.blue); | |
7060 | xpm_cache_color (f, attrs->colorsymbols[i].name, &color, -1); | |
7061 | } | |
7062 | } | |
b243755a GM |
7063 | } |
7064 | ||
7065 | ||
7066 | /* Free the color cache. */ | |
7067 | ||
7068 | static void | |
7069 | xpm_free_color_cache () | |
7070 | { | |
7071 | struct xpm_cached_color *p, *next; | |
7072 | int i; | |
7073 | ||
7074 | for (i = 0; i < XPM_COLOR_CACHE_BUCKETS; ++i) | |
7075 | for (p = xpm_color_cache[i]; p; p = next) | |
7076 | { | |
7077 | next = p->next; | |
7078 | xfree (p); | |
7079 | } | |
7080 | ||
7081 | xfree (xpm_color_cache); | |
7082 | xpm_color_cache = NULL; | |
7083 | free_color_table (); | |
7084 | } | |
7085 | ||
7086 | ||
f72c62ad GM |
7087 | /* Return the bucket index for color named COLOR_NAME in the color |
7088 | cache. */ | |
7089 | ||
7090 | static int | |
7091 | xpm_color_bucket (color_name) | |
7092 | char *color_name; | |
7093 | { | |
7094 | unsigned h = 0; | |
7095 | char *s; | |
7096 | ||
7097 | for (s = color_name; *s; ++s) | |
7098 | h = (h << 2) ^ *s; | |
7099 | return h %= XPM_COLOR_CACHE_BUCKETS; | |
7100 | } | |
7101 | ||
7102 | ||
7103 | /* On frame F, cache values COLOR for color with name COLOR_NAME. | |
7104 | BUCKET, if >= 0, is a precomputed bucket index. Value is the cache | |
7105 | entry added. */ | |
7106 | ||
7107 | static struct xpm_cached_color * | |
7108 | xpm_cache_color (f, color_name, color, bucket) | |
7109 | struct frame *f; | |
7110 | char *color_name; | |
7111 | XColor *color; | |
7112 | int bucket; | |
7113 | { | |
7114 | size_t nbytes; | |
7115 | struct xpm_cached_color *p; | |
7116 | ||
7117 | if (bucket < 0) | |
7118 | bucket = xpm_color_bucket (color_name); | |
7119 | ||
7120 | nbytes = sizeof *p + strlen (color_name); | |
7121 | p = (struct xpm_cached_color *) xmalloc (nbytes); | |
7122 | strcpy (p->name, color_name); | |
7123 | p->color = *color; | |
7124 | p->next = xpm_color_cache[bucket]; | |
7125 | xpm_color_cache[bucket] = p; | |
7126 | return p; | |
7127 | } | |
7128 | ||
7129 | ||
b243755a GM |
7130 | /* Look up color COLOR_NAME for frame F in the color cache. If found, |
7131 | return the cached definition in *COLOR. Otherwise, make a new | |
7132 | entry in the cache and allocate the color. Value is zero if color | |
7133 | allocation failed. */ | |
7134 | ||
7135 | static int | |
7136 | xpm_lookup_color (f, color_name, color) | |
7137 | struct frame *f; | |
7138 | char *color_name; | |
7139 | XColor *color; | |
7140 | { | |
b243755a | 7141 | struct xpm_cached_color *p; |
83676598 | 7142 | int h = xpm_color_bucket (color_name); |
b243755a GM |
7143 | |
7144 | for (p = xpm_color_cache[h]; p; p = p->next) | |
7145 | if (strcmp (p->name, color_name) == 0) | |
7146 | break; | |
7147 | ||
7148 | if (p != NULL) | |
7149 | *color = p->color; | |
7150 | else if (XParseColor (FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), | |
7151 | color_name, color)) | |
7152 | { | |
b243755a GM |
7153 | color->pixel = lookup_rgb_color (f, color->red, color->green, |
7154 | color->blue); | |
f72c62ad | 7155 | p = xpm_cache_color (f, color_name, color, h); |
b243755a | 7156 | } |
f72c62ad | 7157 | |
b243755a GM |
7158 | return p != NULL; |
7159 | } | |
7160 | ||
7161 | ||
7162 | /* Callback for allocating color COLOR_NAME. Called from the XPM lib. | |
7163 | CLOSURE is a pointer to the frame on which we allocate the | |
7164 | color. Return in *COLOR the allocated color. Value is non-zero | |
7165 | if successful. */ | |
7166 | ||
7167 | static int | |
7168 | xpm_alloc_color (dpy, cmap, color_name, color, closure) | |
7169 | Display *dpy; | |
7170 | Colormap cmap; | |
7171 | char *color_name; | |
7172 | XColor *color; | |
7173 | void *closure; | |
7174 | { | |
7175 | return xpm_lookup_color ((struct frame *) closure, color_name, color); | |
7176 | } | |
7177 | ||
7178 | ||
7179 | /* Callback for freeing NPIXELS colors contained in PIXELS. CLOSURE | |
7180 | is a pointer to the frame on which we allocate the color. Value is | |
7181 | non-zero if successful. */ | |
7182 | ||
7183 | static int | |
7184 | xpm_free_colors (dpy, cmap, pixels, npixels, closure) | |
7185 | Display *dpy; | |
7186 | Colormap cmap; | |
7187 | Pixel *pixels; | |
7188 | int npixels; | |
7189 | void *closure; | |
7190 | { | |
7191 | return 1; | |
7192 | } | |
7193 | ||
7194 | #endif /* ALLOC_XPM_COLORS */ | |
7195 | ||
7196 | ||
333b20bb GM |
7197 | /* Value is non-zero if COLOR_SYMBOLS is a valid color symbols list |
7198 | for XPM images. Such a list must consist of conses whose car and | |
7199 | cdr are strings. */ | |
7200 | ||
7201 | static int | |
7202 | xpm_valid_color_symbols_p (color_symbols) | |
7203 | Lisp_Object color_symbols; | |
7204 | { | |
7205 | while (CONSP (color_symbols)) | |
7206 | { | |
7207 | Lisp_Object sym = XCAR (color_symbols); | |
7208 | if (!CONSP (sym) | |
7209 | || !STRINGP (XCAR (sym)) | |
7210 | || !STRINGP (XCDR (sym))) | |
7211 | break; | |
7212 | color_symbols = XCDR (color_symbols); | |
7213 | } | |
7214 | ||
7215 | return NILP (color_symbols); | |
7216 | } | |
7217 | ||
7218 | ||
7219 | /* Value is non-zero if OBJECT is a valid XPM image specification. */ | |
7220 | ||
7221 | static int | |
7222 | xpm_image_p (object) | |
7223 | Lisp_Object object; | |
7224 | { | |
7225 | struct image_keyword fmt[XPM_LAST]; | |
7226 | bcopy (xpm_format, fmt, sizeof fmt); | |
bfd2209f | 7227 | return (parse_image_spec (object, fmt, XPM_LAST, Qxpm) |
333b20bb GM |
7228 | /* Either `:file' or `:data' must be present. */ |
7229 | && fmt[XPM_FILE].count + fmt[XPM_DATA].count == 1 | |
7230 | /* Either no `:color-symbols' or it's a list of conses | |
7231 | whose car and cdr are strings. */ | |
7232 | && (fmt[XPM_COLOR_SYMBOLS].count == 0 | |
7c7ff7f5 | 7233 | || xpm_valid_color_symbols_p (fmt[XPM_COLOR_SYMBOLS].value))); |
333b20bb GM |
7234 | } |
7235 | ||
7236 | ||
7237 | /* Load image IMG which will be displayed on frame F. Value is | |
7238 | non-zero if successful. */ | |
7239 | ||
7240 | static int | |
7241 | xpm_load (f, img) | |
7242 | struct frame *f; | |
7243 | struct image *img; | |
7244 | { | |
9b207e8e | 7245 | int rc; |
333b20bb GM |
7246 | XpmAttributes attrs; |
7247 | Lisp_Object specified_file, color_symbols; | |
7248 | ||
7249 | /* Configure the XPM lib. Use the visual of frame F. Allocate | |
7250 | close colors. Return colors allocated. */ | |
7251 | bzero (&attrs, sizeof attrs); | |
9b2956e2 GM |
7252 | attrs.visual = FRAME_X_VISUAL (f); |
7253 | attrs.colormap = FRAME_X_COLORMAP (f); | |
333b20bb | 7254 | attrs.valuemask |= XpmVisual; |
9b2956e2 | 7255 | attrs.valuemask |= XpmColormap; |
b243755a GM |
7256 | |
7257 | #ifdef ALLOC_XPM_COLORS | |
7258 | /* Allocate colors with our own functions which handle | |
7259 | failing color allocation more gracefully. */ | |
7260 | attrs.color_closure = f; | |
7261 | attrs.alloc_color = xpm_alloc_color; | |
7262 | attrs.free_colors = xpm_free_colors; | |
7263 | attrs.valuemask |= XpmAllocColor | XpmFreeColors | XpmColorClosure; | |
7264 | #else /* not ALLOC_XPM_COLORS */ | |
7265 | /* Let the XPM lib allocate colors. */ | |
333b20bb | 7266 | attrs.valuemask |= XpmReturnAllocPixels; |
e4c082be | 7267 | #ifdef XpmAllocCloseColors |
333b20bb GM |
7268 | attrs.alloc_close_colors = 1; |
7269 | attrs.valuemask |= XpmAllocCloseColors; | |
b243755a | 7270 | #else /* not XpmAllocCloseColors */ |
e4c082be RS |
7271 | attrs.closeness = 600; |
7272 | attrs.valuemask |= XpmCloseness; | |
b243755a GM |
7273 | #endif /* not XpmAllocCloseColors */ |
7274 | #endif /* ALLOC_XPM_COLORS */ | |
333b20bb GM |
7275 | |
7276 | /* If image specification contains symbolic color definitions, add | |
7277 | these to `attrs'. */ | |
7278 | color_symbols = image_spec_value (img->spec, QCcolor_symbols, NULL); | |
7279 | if (CONSP (color_symbols)) | |
7280 | { | |
7281 | Lisp_Object tail; | |
7282 | XpmColorSymbol *xpm_syms; | |
7283 | int i, size; | |
7284 | ||
7285 | attrs.valuemask |= XpmColorSymbols; | |
7286 | ||
7287 | /* Count number of symbols. */ | |
7288 | attrs.numsymbols = 0; | |
7289 | for (tail = color_symbols; CONSP (tail); tail = XCDR (tail)) | |
7290 | ++attrs.numsymbols; | |
7291 | ||
7292 | /* Allocate an XpmColorSymbol array. */ | |
7293 | size = attrs.numsymbols * sizeof *xpm_syms; | |
7294 | xpm_syms = (XpmColorSymbol *) alloca (size); | |
7295 | bzero (xpm_syms, size); | |
7296 | attrs.colorsymbols = xpm_syms; | |
7297 | ||
7298 | /* Fill the color symbol array. */ | |
7299 | for (tail = color_symbols, i = 0; | |
7300 | CONSP (tail); | |
7301 | ++i, tail = XCDR (tail)) | |
7302 | { | |
7303 | Lisp_Object name = XCAR (XCAR (tail)); | |
7304 | Lisp_Object color = XCDR (XCAR (tail)); | |
7305 | xpm_syms[i].name = (char *) alloca (XSTRING (name)->size + 1); | |
7306 | strcpy (xpm_syms[i].name, XSTRING (name)->data); | |
7307 | xpm_syms[i].value = (char *) alloca (XSTRING (color)->size + 1); | |
7308 | strcpy (xpm_syms[i].value, XSTRING (color)->data); | |
7309 | } | |
7310 | } | |
7311 | ||
7312 | /* Create a pixmap for the image, either from a file, or from a | |
7313 | string buffer containing data in the same format as an XPM file. */ | |
b243755a | 7314 | #ifdef ALLOC_XPM_COLORS |
f72c62ad | 7315 | xpm_init_color_cache (f, &attrs); |
b243755a GM |
7316 | #endif |
7317 | ||
333b20bb GM |
7318 | specified_file = image_spec_value (img->spec, QCfile, NULL); |
7319 | if (STRINGP (specified_file)) | |
7320 | { | |
7321 | Lisp_Object file = x_find_image_file (specified_file); | |
7322 | if (!STRINGP (file)) | |
7323 | { | |
45158a91 | 7324 | image_error ("Cannot find image file `%s'", specified_file, Qnil); |
333b20bb GM |
7325 | return 0; |
7326 | } | |
7327 | ||
7328 | rc = XpmReadFileToPixmap (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
7329 | XSTRING (file)->data, &img->pixmap, &img->mask, | |
7330 | &attrs); | |
7331 | } | |
7332 | else | |
7333 | { | |
7334 | Lisp_Object buffer = image_spec_value (img->spec, QCdata, NULL); | |
7335 | rc = XpmCreatePixmapFromBuffer (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
7336 | XSTRING (buffer)->data, | |
7337 | &img->pixmap, &img->mask, | |
7338 | &attrs); | |
7339 | } | |
333b20bb GM |
7340 | |
7341 | if (rc == XpmSuccess) | |
7342 | { | |
b243755a GM |
7343 | #ifdef ALLOC_XPM_COLORS |
7344 | img->colors = colors_in_color_table (&img->ncolors); | |
7345 | #else /* not ALLOC_XPM_COLORS */ | |
f47a9ec4 KR |
7346 | int i; |
7347 | ||
333b20bb GM |
7348 | img->ncolors = attrs.nalloc_pixels; |
7349 | img->colors = (unsigned long *) xmalloc (img->ncolors | |
7350 | * sizeof *img->colors); | |
7351 | for (i = 0; i < attrs.nalloc_pixels; ++i) | |
3b4ae1cc GM |
7352 | { |
7353 | img->colors[i] = attrs.alloc_pixels[i]; | |
7354 | #ifdef DEBUG_X_COLORS | |
7355 | register_color (img->colors[i]); | |
7356 | #endif | |
7357 | } | |
b243755a | 7358 | #endif /* not ALLOC_XPM_COLORS */ |
333b20bb GM |
7359 | |
7360 | img->width = attrs.width; | |
7361 | img->height = attrs.height; | |
7362 | xassert (img->width > 0 && img->height > 0); | |
7363 | ||
7364 | /* The call to XpmFreeAttributes below frees attrs.alloc_pixels. */ | |
333b20bb | 7365 | XpmFreeAttributes (&attrs); |
333b20bb GM |
7366 | } |
7367 | else | |
7368 | { | |
7369 | switch (rc) | |
7370 | { | |
7371 | case XpmOpenFailed: | |
7372 | image_error ("Error opening XPM file (%s)", img->spec, Qnil); | |
7373 | break; | |
7374 | ||
7375 | case XpmFileInvalid: | |
7376 | image_error ("Invalid XPM file (%s)", img->spec, Qnil); | |
7377 | break; | |
7378 | ||
7379 | case XpmNoMemory: | |
7380 | image_error ("Out of memory (%s)", img->spec, Qnil); | |
7381 | break; | |
7382 | ||
7383 | case XpmColorFailed: | |
7384 | image_error ("Color allocation error (%s)", img->spec, Qnil); | |
7385 | break; | |
7386 | ||
7387 | default: | |
7388 | image_error ("Unknown error (%s)", img->spec, Qnil); | |
7389 | break; | |
7390 | } | |
7391 | } | |
7392 | ||
b243755a GM |
7393 | #ifdef ALLOC_XPM_COLORS |
7394 | xpm_free_color_cache (); | |
7395 | #endif | |
333b20bb GM |
7396 | return rc == XpmSuccess; |
7397 | } | |
7398 | ||
7399 | #endif /* HAVE_XPM != 0 */ | |
7400 | ||
7401 | \f | |
7402 | /*********************************************************************** | |
7403 | Color table | |
7404 | ***********************************************************************/ | |
7405 | ||
7406 | /* An entry in the color table mapping an RGB color to a pixel color. */ | |
7407 | ||
7408 | struct ct_color | |
7409 | { | |
7410 | int r, g, b; | |
7411 | unsigned long pixel; | |
7412 | ||
7413 | /* Next in color table collision list. */ | |
7414 | struct ct_color *next; | |
7415 | }; | |
7416 | ||
7417 | /* The bucket vector size to use. Must be prime. */ | |
7418 | ||
7419 | #define CT_SIZE 101 | |
7420 | ||
7421 | /* Value is a hash of the RGB color given by R, G, and B. */ | |
7422 | ||
7423 | #define CT_HASH_RGB(R, G, B) (((R) << 16) ^ ((G) << 8) ^ (B)) | |
7424 | ||
7425 | /* The color hash table. */ | |
7426 | ||
7427 | struct ct_color **ct_table; | |
7428 | ||
7429 | /* Number of entries in the color table. */ | |
7430 | ||
7431 | int ct_colors_allocated; | |
7432 | ||
333b20bb GM |
7433 | /* Initialize the color table. */ |
7434 | ||
7435 | static void | |
7436 | init_color_table () | |
7437 | { | |
7438 | int size = CT_SIZE * sizeof (*ct_table); | |
7439 | ct_table = (struct ct_color **) xmalloc (size); | |
7440 | bzero (ct_table, size); | |
7441 | ct_colors_allocated = 0; | |
7442 | } | |
7443 | ||
7444 | ||
7445 | /* Free memory associated with the color table. */ | |
7446 | ||
7447 | static void | |
7448 | free_color_table () | |
7449 | { | |
7450 | int i; | |
7451 | struct ct_color *p, *next; | |
7452 | ||
7453 | for (i = 0; i < CT_SIZE; ++i) | |
7454 | for (p = ct_table[i]; p; p = next) | |
7455 | { | |
7456 | next = p->next; | |
7457 | xfree (p); | |
7458 | } | |
7459 | ||
7460 | xfree (ct_table); | |
7461 | ct_table = NULL; | |
7462 | } | |
7463 | ||
7464 | ||
7465 | /* Value is a pixel color for RGB color R, G, B on frame F. If an | |
7466 | entry for that color already is in the color table, return the | |
7467 | pixel color of that entry. Otherwise, allocate a new color for R, | |
7468 | G, B, and make an entry in the color table. */ | |
7469 | ||
7470 | static unsigned long | |
7471 | lookup_rgb_color (f, r, g, b) | |
7472 | struct frame *f; | |
7473 | int r, g, b; | |
7474 | { | |
7475 | unsigned hash = CT_HASH_RGB (r, g, b); | |
7476 | int i = hash % CT_SIZE; | |
7477 | struct ct_color *p; | |
7478 | ||
7479 | for (p = ct_table[i]; p; p = p->next) | |
7480 | if (p->r == r && p->g == g && p->b == b) | |
7481 | break; | |
7482 | ||
7483 | if (p == NULL) | |
7484 | { | |
7485 | XColor color; | |
7486 | Colormap cmap; | |
7487 | int rc; | |
7488 | ||
7489 | color.red = r; | |
7490 | color.green = g; | |
7491 | color.blue = b; | |
7492 | ||
9b2956e2 | 7493 | cmap = FRAME_X_COLORMAP (f); |
d62c8769 | 7494 | rc = x_alloc_nearest_color (f, cmap, &color); |
333b20bb GM |
7495 | |
7496 | if (rc) | |
7497 | { | |
7498 | ++ct_colors_allocated; | |
7499 | ||
7500 | p = (struct ct_color *) xmalloc (sizeof *p); | |
7501 | p->r = r; | |
7502 | p->g = g; | |
7503 | p->b = b; | |
7504 | p->pixel = color.pixel; | |
7505 | p->next = ct_table[i]; | |
7506 | ct_table[i] = p; | |
7507 | } | |
7508 | else | |
7509 | return FRAME_FOREGROUND_PIXEL (f); | |
7510 | } | |
7511 | ||
7512 | return p->pixel; | |
7513 | } | |
7514 | ||
7515 | ||
7516 | /* Look up pixel color PIXEL which is used on frame F in the color | |
7517 | table. If not already present, allocate it. Value is PIXEL. */ | |
7518 | ||
7519 | static unsigned long | |
7520 | lookup_pixel_color (f, pixel) | |
7521 | struct frame *f; | |
7522 | unsigned long pixel; | |
7523 | { | |
7524 | int i = pixel % CT_SIZE; | |
7525 | struct ct_color *p; | |
7526 | ||
7527 | for (p = ct_table[i]; p; p = p->next) | |
7528 | if (p->pixel == pixel) | |
7529 | break; | |
7530 | ||
7531 | if (p == NULL) | |
7532 | { | |
7533 | XColor color; | |
7534 | Colormap cmap; | |
7535 | int rc; | |
7536 | ||
9b2956e2 | 7537 | cmap = FRAME_X_COLORMAP (f); |
333b20bb | 7538 | color.pixel = pixel; |
a31fedb7 | 7539 | x_query_color (f, &color); |
d62c8769 | 7540 | rc = x_alloc_nearest_color (f, cmap, &color); |
333b20bb GM |
7541 | |
7542 | if (rc) | |
7543 | { | |
7544 | ++ct_colors_allocated; | |
7545 | ||
7546 | p = (struct ct_color *) xmalloc (sizeof *p); | |
7547 | p->r = color.red; | |
7548 | p->g = color.green; | |
7549 | p->b = color.blue; | |
7550 | p->pixel = pixel; | |
7551 | p->next = ct_table[i]; | |
7552 | ct_table[i] = p; | |
7553 | } | |
7554 | else | |
7555 | return FRAME_FOREGROUND_PIXEL (f); | |
7556 | } | |
7557 | ||
7558 | return p->pixel; | |
7559 | } | |
7560 | ||
7561 | ||
7562 | /* Value is a vector of all pixel colors contained in the color table, | |
7563 | allocated via xmalloc. Set *N to the number of colors. */ | |
7564 | ||
7565 | static unsigned long * | |
7566 | colors_in_color_table (n) | |
7567 | int *n; | |
7568 | { | |
7569 | int i, j; | |
7570 | struct ct_color *p; | |
7571 | unsigned long *colors; | |
7572 | ||
7573 | if (ct_colors_allocated == 0) | |
7574 | { | |
7575 | *n = 0; | |
7576 | colors = NULL; | |
7577 | } | |
7578 | else | |
7579 | { | |
7580 | colors = (unsigned long *) xmalloc (ct_colors_allocated | |
7581 | * sizeof *colors); | |
7582 | *n = ct_colors_allocated; | |
7583 | ||
7584 | for (i = j = 0; i < CT_SIZE; ++i) | |
7585 | for (p = ct_table[i]; p; p = p->next) | |
7586 | colors[j++] = p->pixel; | |
7587 | } | |
7588 | ||
7589 | return colors; | |
7590 | } | |
7591 | ||
7592 | ||
7593 | \f | |
7594 | /*********************************************************************** | |
7595 | Algorithms | |
7596 | ***********************************************************************/ | |
7597 | ||
7598 | static void x_laplace_write_row P_ ((struct frame *, long *, | |
7599 | int, XImage *, int)); | |
7600 | static void x_laplace_read_row P_ ((struct frame *, Colormap, | |
7601 | XColor *, int, XImage *, int)); | |
4a8e312c GM |
7602 | static XColor *x_to_xcolors P_ ((struct frame *, struct image *, int)); |
7603 | static void x_from_xcolors P_ ((struct frame *, struct image *, XColor *)); | |
7604 | static void x_detect_edges P_ ((struct frame *, struct image *, int[9], int)); | |
7605 | ||
d2dc8167 | 7606 | /* Non-zero means draw a cross on images having `:conversion |
14819cb3 GM |
7607 | disabled'. */ |
7608 | ||
7609 | int cross_disabled_images; | |
7610 | ||
4a8e312c GM |
7611 | /* Edge detection matrices for different edge-detection |
7612 | strategies. */ | |
7613 | ||
7614 | static int emboss_matrix[9] = { | |
7615 | /* x - 1 x x + 1 */ | |
7616 | 2, -1, 0, /* y - 1 */ | |
7617 | -1, 0, 1, /* y */ | |
7618 | 0, 1, -2 /* y + 1 */ | |
7619 | }; | |
333b20bb | 7620 | |
4a8e312c GM |
7621 | static int laplace_matrix[9] = { |
7622 | /* x - 1 x x + 1 */ | |
7623 | 1, 0, 0, /* y - 1 */ | |
7624 | 0, 0, 0, /* y */ | |
7625 | 0, 0, -1 /* y + 1 */ | |
7626 | }; | |
333b20bb | 7627 | |
14819cb3 GM |
7628 | /* Value is the intensity of the color whose red/green/blue values |
7629 | are R, G, and B. */ | |
7630 | ||
7631 | #define COLOR_INTENSITY(R, G, B) ((2 * (R) + 3 * (G) + (B)) / 6) | |
7632 | ||
333b20bb | 7633 | |
4a8e312c GM |
7634 | /* On frame F, return an array of XColor structures describing image |
7635 | IMG->pixmap. Each XColor structure has its pixel color set. RGB_P | |
7636 | non-zero means also fill the red/green/blue members of the XColor | |
7637 | structures. Value is a pointer to the array of XColors structures, | |
7638 | allocated with xmalloc; it must be freed by the caller. */ | |
7639 | ||
7640 | static XColor * | |
7641 | x_to_xcolors (f, img, rgb_p) | |
333b20bb | 7642 | struct frame *f; |
4a8e312c GM |
7643 | struct image *img; |
7644 | int rgb_p; | |
333b20bb | 7645 | { |
4a8e312c GM |
7646 | int x, y; |
7647 | XColor *colors, *p; | |
7648 | XImage *ximg; | |
333b20bb | 7649 | |
4a8e312c GM |
7650 | colors = (XColor *) xmalloc (img->width * img->height * sizeof *colors); |
7651 | ||
7652 | /* Get the X image IMG->pixmap. */ | |
7653 | ximg = XGetImage (FRAME_X_DISPLAY (f), img->pixmap, | |
7654 | 0, 0, img->width, img->height, ~0, ZPixmap); | |
333b20bb | 7655 | |
4a8e312c GM |
7656 | /* Fill the `pixel' members of the XColor array. I wished there |
7657 | were an easy and portable way to circumvent XGetPixel. */ | |
7658 | p = colors; | |
7659 | for (y = 0; y < img->height; ++y) | |
7660 | { | |
7661 | XColor *row = p; | |
7662 | ||
7663 | for (x = 0; x < img->width; ++x, ++p) | |
7664 | p->pixel = XGetPixel (ximg, x, y); | |
7665 | ||
7666 | if (rgb_p) | |
a31fedb7 | 7667 | x_query_colors (f, row, img->width); |
4a8e312c GM |
7668 | } |
7669 | ||
7670 | XDestroyImage (ximg); | |
4a8e312c | 7671 | return colors; |
333b20bb GM |
7672 | } |
7673 | ||
7674 | ||
4a8e312c GM |
7675 | /* Create IMG->pixmap from an array COLORS of XColor structures, whose |
7676 | RGB members are set. F is the frame on which this all happens. | |
7677 | COLORS will be freed; an existing IMG->pixmap will be freed, too. */ | |
333b20bb GM |
7678 | |
7679 | static void | |
4a8e312c | 7680 | x_from_xcolors (f, img, colors) |
333b20bb | 7681 | struct frame *f; |
4a8e312c GM |
7682 | struct image *img; |
7683 | XColor *colors; | |
333b20bb | 7684 | { |
4a8e312c GM |
7685 | int x, y; |
7686 | XImage *oimg; | |
7687 | Pixmap pixmap; | |
7688 | XColor *p; | |
7689 | ||
4a8e312c | 7690 | init_color_table (); |
333b20bb | 7691 | |
4a8e312c GM |
7692 | x_create_x_image_and_pixmap (f, img->width, img->height, 0, |
7693 | &oimg, &pixmap); | |
7694 | p = colors; | |
7695 | for (y = 0; y < img->height; ++y) | |
7696 | for (x = 0; x < img->width; ++x, ++p) | |
7697 | { | |
7698 | unsigned long pixel; | |
7699 | pixel = lookup_rgb_color (f, p->red, p->green, p->blue); | |
7700 | XPutPixel (oimg, x, y, pixel); | |
7701 | } | |
7702 | ||
7703 | xfree (colors); | |
dd00328a | 7704 | x_clear_image_1 (f, img, 1, 0, 1); |
4a8e312c GM |
7705 | |
7706 | x_put_x_image (f, oimg, pixmap, img->width, img->height); | |
7707 | x_destroy_x_image (oimg); | |
7708 | img->pixmap = pixmap; | |
7709 | img->colors = colors_in_color_table (&img->ncolors); | |
7710 | free_color_table (); | |
333b20bb GM |
7711 | } |
7712 | ||
7713 | ||
4a8e312c GM |
7714 | /* On frame F, perform edge-detection on image IMG. |
7715 | ||
7716 | MATRIX is a nine-element array specifying the transformation | |
7717 | matrix. See emboss_matrix for an example. | |
7718 | ||
7719 | COLOR_ADJUST is a color adjustment added to each pixel of the | |
7720 | outgoing image. */ | |
333b20bb GM |
7721 | |
7722 | static void | |
4a8e312c | 7723 | x_detect_edges (f, img, matrix, color_adjust) |
333b20bb GM |
7724 | struct frame *f; |
7725 | struct image *img; | |
4a8e312c | 7726 | int matrix[9], color_adjust; |
333b20bb | 7727 | { |
4a8e312c GM |
7728 | XColor *colors = x_to_xcolors (f, img, 1); |
7729 | XColor *new, *p; | |
7730 | int x, y, i, sum; | |
333b20bb | 7731 | |
4a8e312c GM |
7732 | for (i = sum = 0; i < 9; ++i) |
7733 | sum += abs (matrix[i]); | |
333b20bb | 7734 | |
4a8e312c | 7735 | #define COLOR(A, X, Y) ((A) + (Y) * img->width + (X)) |
333b20bb | 7736 | |
4a8e312c | 7737 | new = (XColor *) xmalloc (img->width * img->height * sizeof *new); |
333b20bb | 7738 | |
4a8e312c GM |
7739 | for (y = 0; y < img->height; ++y) |
7740 | { | |
7741 | p = COLOR (new, 0, y); | |
7742 | p->red = p->green = p->blue = 0xffff/2; | |
7743 | p = COLOR (new, img->width - 1, y); | |
7744 | p->red = p->green = p->blue = 0xffff/2; | |
7745 | } | |
7746 | ||
7747 | for (x = 1; x < img->width - 1; ++x) | |
7748 | { | |
7749 | p = COLOR (new, x, 0); | |
7750 | p->red = p->green = p->blue = 0xffff/2; | |
7751 | p = COLOR (new, x, img->height - 1); | |
7752 | p->red = p->green = p->blue = 0xffff/2; | |
7753 | } | |
333b20bb | 7754 | |
4a8e312c | 7755 | for (y = 1; y < img->height - 1; ++y) |
333b20bb | 7756 | { |
4a8e312c GM |
7757 | p = COLOR (new, 1, y); |
7758 | ||
7759 | for (x = 1; x < img->width - 1; ++x, ++p) | |
7760 | { | |
14819cb3 | 7761 | int r, g, b, y1, x1; |
4a8e312c GM |
7762 | |
7763 | r = g = b = i = 0; | |
7764 | for (y1 = y - 1; y1 < y + 2; ++y1) | |
7765 | for (x1 = x - 1; x1 < x + 2; ++x1, ++i) | |
7766 | if (matrix[i]) | |
7767 | { | |
7768 | XColor *t = COLOR (colors, x1, y1); | |
7769 | r += matrix[i] * t->red; | |
7770 | g += matrix[i] * t->green; | |
7771 | b += matrix[i] * t->blue; | |
7772 | } | |
333b20bb | 7773 | |
4a8e312c GM |
7774 | r = (r / sum + color_adjust) & 0xffff; |
7775 | g = (g / sum + color_adjust) & 0xffff; | |
7776 | b = (b / sum + color_adjust) & 0xffff; | |
14819cb3 | 7777 | p->red = p->green = p->blue = COLOR_INTENSITY (r, g, b); |
333b20bb | 7778 | } |
333b20bb GM |
7779 | } |
7780 | ||
4a8e312c GM |
7781 | xfree (colors); |
7782 | x_from_xcolors (f, img, new); | |
333b20bb | 7783 | |
4a8e312c GM |
7784 | #undef COLOR |
7785 | } | |
7786 | ||
7787 | ||
7788 | /* Perform the pre-defined `emboss' edge-detection on image IMG | |
7789 | on frame F. */ | |
7790 | ||
7791 | static void | |
7792 | x_emboss (f, img) | |
7793 | struct frame *f; | |
7794 | struct image *img; | |
7795 | { | |
7796 | x_detect_edges (f, img, emboss_matrix, 0xffff / 2); | |
7797 | } | |
7798 | ||
7799 | ||
7800 | /* Perform the pre-defined `laplace' edge-detection on image IMG | |
7801 | on frame F. */ | |
7802 | ||
7803 | static void | |
7804 | x_laplace (f, img) | |
7805 | struct frame *f; | |
7806 | struct image *img; | |
7807 | { | |
7808 | x_detect_edges (f, img, laplace_matrix, 45000); | |
7809 | } | |
7810 | ||
7811 | ||
7812 | /* Perform edge-detection on image IMG on frame F, with specified | |
7813 | transformation matrix MATRIX and color-adjustment COLOR_ADJUST. | |
7814 | ||
7815 | MATRIX must be either | |
7816 | ||
7817 | - a list of at least 9 numbers in row-major form | |
7818 | - a vector of at least 9 numbers | |
7819 | ||
7820 | COLOR_ADJUST nil means use a default; otherwise it must be a | |
7821 | number. */ | |
7822 | ||
7823 | static void | |
7824 | x_edge_detection (f, img, matrix, color_adjust) | |
7825 | struct frame *f; | |
7826 | struct image *img; | |
7827 | Lisp_Object matrix, color_adjust; | |
7828 | { | |
7829 | int i = 0; | |
7830 | int trans[9]; | |
333b20bb | 7831 | |
4a8e312c GM |
7832 | if (CONSP (matrix)) |
7833 | { | |
7834 | for (i = 0; | |
7835 | i < 9 && CONSP (matrix) && NUMBERP (XCAR (matrix)); | |
7836 | ++i, matrix = XCDR (matrix)) | |
7837 | trans[i] = XFLOATINT (XCAR (matrix)); | |
7838 | } | |
7839 | else if (VECTORP (matrix) && ASIZE (matrix) >= 9) | |
7840 | { | |
7841 | for (i = 0; i < 9 && NUMBERP (AREF (matrix, i)); ++i) | |
7842 | trans[i] = XFLOATINT (AREF (matrix, i)); | |
7843 | } | |
333b20bb | 7844 | |
4a8e312c GM |
7845 | if (NILP (color_adjust)) |
7846 | color_adjust = make_number (0xffff / 2); | |
333b20bb | 7847 | |
4a8e312c GM |
7848 | if (i == 9 && NUMBERP (color_adjust)) |
7849 | x_detect_edges (f, img, trans, (int) XFLOATINT (color_adjust)); | |
333b20bb GM |
7850 | } |
7851 | ||
7852 | ||
14819cb3 GM |
7853 | /* Transform image IMG on frame F so that it looks disabled. */ |
7854 | ||
7855 | static void | |
7856 | x_disable_image (f, img) | |
7857 | struct frame *f; | |
7858 | struct image *img; | |
7859 | { | |
7860 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
dd00328a | 7861 | |
14819cb3 GM |
7862 | if (dpyinfo->n_planes >= 2) |
7863 | { | |
7864 | /* Color (or grayscale). Convert to gray, and equalize. Just | |
7865 | drawing such images with a stipple can look very odd, so | |
7866 | we're using this method instead. */ | |
7867 | XColor *colors = x_to_xcolors (f, img, 1); | |
7868 | XColor *p, *end; | |
7869 | const int h = 15000; | |
7870 | const int l = 30000; | |
7871 | ||
7872 | for (p = colors, end = colors + img->width * img->height; | |
7873 | p < end; | |
7874 | ++p) | |
7875 | { | |
7876 | int i = COLOR_INTENSITY (p->red, p->green, p->blue); | |
7877 | int i2 = (0xffff - h - l) * i / 0xffff + l; | |
7878 | p->red = p->green = p->blue = i2; | |
7879 | } | |
7880 | ||
7881 | x_from_xcolors (f, img, colors); | |
7882 | } | |
7883 | ||
7884 | /* Draw a cross over the disabled image, if we must or if we | |
7885 | should. */ | |
7886 | if (dpyinfo->n_planes < 2 || cross_disabled_images) | |
7887 | { | |
7888 | Display *dpy = FRAME_X_DISPLAY (f); | |
7889 | GC gc; | |
7890 | ||
14819cb3 GM |
7891 | gc = XCreateGC (dpy, img->pixmap, 0, NULL); |
7892 | XSetForeground (dpy, gc, BLACK_PIX_DEFAULT (f)); | |
7893 | XDrawLine (dpy, img->pixmap, gc, 0, 0, | |
7894 | img->width - 1, img->height - 1); | |
7895 | XDrawLine (dpy, img->pixmap, gc, 0, img->height - 1, | |
7896 | img->width - 1, 0); | |
7897 | XFreeGC (dpy, gc); | |
7898 | ||
7899 | if (img->mask) | |
7900 | { | |
7901 | gc = XCreateGC (dpy, img->mask, 0, NULL); | |
7902 | XSetForeground (dpy, gc, WHITE_PIX_DEFAULT (f)); | |
7903 | XDrawLine (dpy, img->mask, gc, 0, 0, | |
7904 | img->width - 1, img->height - 1); | |
7905 | XDrawLine (dpy, img->mask, gc, 0, img->height - 1, | |
7906 | img->width - 1, 0); | |
7907 | XFreeGC (dpy, gc); | |
7908 | } | |
14819cb3 GM |
7909 | } |
7910 | } | |
7911 | ||
7912 | ||
333b20bb GM |
7913 | /* Build a mask for image IMG which is used on frame F. FILE is the |
7914 | name of an image file, for error messages. HOW determines how to | |
fcf431dc GM |
7915 | determine the background color of IMG. If it is a list '(R G B)', |
7916 | with R, G, and B being integers >= 0, take that as the color of the | |
7917 | background. Otherwise, determine the background color of IMG | |
7918 | heuristically. Value is non-zero if successful. */ | |
333b20bb GM |
7919 | |
7920 | static int | |
45158a91 | 7921 | x_build_heuristic_mask (f, img, how) |
333b20bb | 7922 | struct frame *f; |
333b20bb GM |
7923 | struct image *img; |
7924 | Lisp_Object how; | |
7925 | { | |
7926 | Display *dpy = FRAME_X_DISPLAY (f); | |
333b20bb | 7927 | XImage *ximg, *mask_img; |
fcf431dc | 7928 | int x, y, rc, look_at_corners_p; |
8ec8a5ec | 7929 | unsigned long bg = 0; |
333b20bb | 7930 | |
4a8e312c GM |
7931 | if (img->mask) |
7932 | { | |
7933 | XFreePixmap (FRAME_X_DISPLAY (f), img->mask); | |
dd00328a | 7934 | img->mask = None; |
4a8e312c | 7935 | } |
dd00328a | 7936 | |
333b20bb | 7937 | /* Create an image and pixmap serving as mask. */ |
45158a91 | 7938 | rc = x_create_x_image_and_pixmap (f, img->width, img->height, 1, |
333b20bb GM |
7939 | &mask_img, &img->mask); |
7940 | if (!rc) | |
28c7826c | 7941 | return 0; |
333b20bb GM |
7942 | |
7943 | /* Get the X image of IMG->pixmap. */ | |
7944 | ximg = XGetImage (dpy, img->pixmap, 0, 0, img->width, img->height, | |
7945 | ~0, ZPixmap); | |
7946 | ||
fcf431dc GM |
7947 | /* Determine the background color of ximg. If HOW is `(R G B)' |
7948 | take that as color. Otherwise, try to determine the color | |
7949 | heuristically. */ | |
7950 | look_at_corners_p = 1; | |
7951 | ||
7952 | if (CONSP (how)) | |
7953 | { | |
7954 | int rgb[3], i = 0; | |
7955 | ||
7956 | while (i < 3 | |
7957 | && CONSP (how) | |
7958 | && NATNUMP (XCAR (how))) | |
7959 | { | |
7960 | rgb[i] = XFASTINT (XCAR (how)) & 0xffff; | |
7961 | how = XCDR (how); | |
7962 | } | |
7963 | ||
7964 | if (i == 3 && NILP (how)) | |
7965 | { | |
7966 | char color_name[30]; | |
7967 | XColor exact, color; | |
7968 | Colormap cmap; | |
7969 | ||
7970 | sprintf (color_name, "#%04x%04x%04x", rgb[0], rgb[1], rgb[2]); | |
7971 | ||
9b2956e2 | 7972 | cmap = FRAME_X_COLORMAP (f); |
fcf431dc GM |
7973 | if (XLookupColor (dpy, cmap, color_name, &exact, &color)) |
7974 | { | |
7975 | bg = color.pixel; | |
7976 | look_at_corners_p = 0; | |
7977 | } | |
7978 | } | |
7979 | } | |
7980 | ||
7981 | if (look_at_corners_p) | |
333b20bb GM |
7982 | { |
7983 | unsigned long corners[4]; | |
7984 | int i, best_count; | |
7985 | ||
7986 | /* Get the colors at the corners of ximg. */ | |
7987 | corners[0] = XGetPixel (ximg, 0, 0); | |
7988 | corners[1] = XGetPixel (ximg, img->width - 1, 0); | |
7989 | corners[2] = XGetPixel (ximg, img->width - 1, img->height - 1); | |
7990 | corners[3] = XGetPixel (ximg, 0, img->height - 1); | |
7991 | ||
7992 | /* Choose the most frequently found color as background. */ | |
7993 | for (i = best_count = 0; i < 4; ++i) | |
7994 | { | |
7995 | int j, n; | |
7996 | ||
7997 | for (j = n = 0; j < 4; ++j) | |
7998 | if (corners[i] == corners[j]) | |
7999 | ++n; | |
8000 | ||
8001 | if (n > best_count) | |
8002 | bg = corners[i], best_count = n; | |
8003 | } | |
8004 | } | |
8005 | ||
8006 | /* Set all bits in mask_img to 1 whose color in ximg is different | |
8007 | from the background color bg. */ | |
8008 | for (y = 0; y < img->height; ++y) | |
8009 | for (x = 0; x < img->width; ++x) | |
8010 | XPutPixel (mask_img, x, y, XGetPixel (ximg, x, y) != bg); | |
8011 | ||
8012 | /* Put mask_img into img->mask. */ | |
8013 | x_put_x_image (f, mask_img, img->mask, img->width, img->height); | |
8014 | x_destroy_x_image (mask_img); | |
8015 | XDestroyImage (ximg); | |
8016 | ||
333b20bb GM |
8017 | return 1; |
8018 | } | |
8019 | ||
8020 | ||
8021 | \f | |
8022 | /*********************************************************************** | |
8023 | PBM (mono, gray, color) | |
8024 | ***********************************************************************/ | |
8025 | ||
8026 | static int pbm_image_p P_ ((Lisp_Object object)); | |
8027 | static int pbm_load P_ ((struct frame *f, struct image *img)); | |
63cec32f | 8028 | static int pbm_scan_number P_ ((unsigned char **, unsigned char *)); |
333b20bb GM |
8029 | |
8030 | /* The symbol `pbm' identifying images of this type. */ | |
8031 | ||
8032 | Lisp_Object Qpbm; | |
8033 | ||
8034 | /* Indices of image specification fields in gs_format, below. */ | |
8035 | ||
8036 | enum pbm_keyword_index | |
8037 | { | |
8038 | PBM_TYPE, | |
8039 | PBM_FILE, | |
63cec32f | 8040 | PBM_DATA, |
333b20bb GM |
8041 | PBM_ASCENT, |
8042 | PBM_MARGIN, | |
8043 | PBM_RELIEF, | |
8044 | PBM_ALGORITHM, | |
8045 | PBM_HEURISTIC_MASK, | |
4a8e312c | 8046 | PBM_MASK, |
be0b1fac GM |
8047 | PBM_FOREGROUND, |
8048 | PBM_BACKGROUND, | |
333b20bb GM |
8049 | PBM_LAST |
8050 | }; | |
8051 | ||
8052 | /* Vector of image_keyword structures describing the format | |
8053 | of valid user-defined image specifications. */ | |
8054 | ||
8055 | static struct image_keyword pbm_format[PBM_LAST] = | |
8056 | { | |
8057 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
63cec32f GM |
8058 | {":file", IMAGE_STRING_VALUE, 0}, |
8059 | {":data", IMAGE_STRING_VALUE, 0}, | |
7c7ff7f5 | 8060 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
3ed61e75 | 8061 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
333b20bb | 8062 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
d2dc8167 | 8063 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
4a8e312c | 8064 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
be0b1fac GM |
8065 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
8066 | {":foreground", IMAGE_STRING_VALUE, 0}, | |
8067 | {":background", IMAGE_STRING_VALUE, 0} | |
333b20bb GM |
8068 | }; |
8069 | ||
8070 | /* Structure describing the image type `pbm'. */ | |
8071 | ||
8072 | static struct image_type pbm_type = | |
8073 | { | |
8074 | &Qpbm, | |
8075 | pbm_image_p, | |
8076 | pbm_load, | |
8077 | x_clear_image, | |
8078 | NULL | |
8079 | }; | |
8080 | ||
8081 | ||
8082 | /* Return non-zero if OBJECT is a valid PBM image specification. */ | |
8083 | ||
8084 | static int | |
8085 | pbm_image_p (object) | |
8086 | Lisp_Object object; | |
8087 | { | |
8088 | struct image_keyword fmt[PBM_LAST]; | |
8089 | ||
8090 | bcopy (pbm_format, fmt, sizeof fmt); | |
8091 | ||
7c7ff7f5 | 8092 | if (!parse_image_spec (object, fmt, PBM_LAST, Qpbm)) |
333b20bb | 8093 | return 0; |
63cec32f GM |
8094 | |
8095 | /* Must specify either :data or :file. */ | |
8096 | return fmt[PBM_DATA].count + fmt[PBM_FILE].count == 1; | |
333b20bb GM |
8097 | } |
8098 | ||
8099 | ||
63cec32f GM |
8100 | /* Scan a decimal number from *S and return it. Advance *S while |
8101 | reading the number. END is the end of the string. Value is -1 at | |
8102 | end of input. */ | |
333b20bb GM |
8103 | |
8104 | static int | |
63cec32f GM |
8105 | pbm_scan_number (s, end) |
8106 | unsigned char **s, *end; | |
333b20bb | 8107 | { |
8ec8a5ec | 8108 | int c = 0, val = -1; |
333b20bb | 8109 | |
63cec32f | 8110 | while (*s < end) |
333b20bb GM |
8111 | { |
8112 | /* Skip white-space. */ | |
63cec32f | 8113 | while (*s < end && (c = *(*s)++, isspace (c))) |
333b20bb GM |
8114 | ; |
8115 | ||
8116 | if (c == '#') | |
8117 | { | |
8118 | /* Skip comment to end of line. */ | |
63cec32f | 8119 | while (*s < end && (c = *(*s)++, c != '\n')) |
333b20bb GM |
8120 | ; |
8121 | } | |
8122 | else if (isdigit (c)) | |
8123 | { | |
8124 | /* Read decimal number. */ | |
8125 | val = c - '0'; | |
63cec32f | 8126 | while (*s < end && (c = *(*s)++, isdigit (c))) |
333b20bb GM |
8127 | val = 10 * val + c - '0'; |
8128 | break; | |
8129 | } | |
8130 | else | |
8131 | break; | |
8132 | } | |
8133 | ||
8134 | return val; | |
8135 | } | |
8136 | ||
8137 | ||
8138 | /* Load PBM image IMG for use on frame F. */ | |
8139 | ||
8140 | static int | |
8141 | pbm_load (f, img) | |
8142 | struct frame *f; | |
8143 | struct image *img; | |
8144 | { | |
333b20bb | 8145 | int raw_p, x, y; |
b6d7acec | 8146 | int width, height, max_color_idx = 0; |
333b20bb GM |
8147 | XImage *ximg; |
8148 | Lisp_Object file, specified_file; | |
8149 | enum {PBM_MONO, PBM_GRAY, PBM_COLOR} type; | |
8150 | struct gcpro gcpro1; | |
63cec32f GM |
8151 | unsigned char *contents = NULL; |
8152 | unsigned char *end, *p; | |
8153 | int size; | |
333b20bb GM |
8154 | |
8155 | specified_file = image_spec_value (img->spec, QCfile, NULL); | |
63cec32f | 8156 | file = Qnil; |
333b20bb | 8157 | GCPRO1 (file); |
333b20bb | 8158 | |
63cec32f | 8159 | if (STRINGP (specified_file)) |
333b20bb | 8160 | { |
63cec32f GM |
8161 | file = x_find_image_file (specified_file); |
8162 | if (!STRINGP (file)) | |
8163 | { | |
8164 | image_error ("Cannot find image file `%s'", specified_file, Qnil); | |
8165 | UNGCPRO; | |
8166 | return 0; | |
8167 | } | |
333b20bb | 8168 | |
5be6c3b0 | 8169 | contents = slurp_file (XSTRING (file)->data, &size); |
63cec32f GM |
8170 | if (contents == NULL) |
8171 | { | |
8172 | image_error ("Error reading `%s'", file, Qnil); | |
8173 | UNGCPRO; | |
8174 | return 0; | |
8175 | } | |
8176 | ||
8177 | p = contents; | |
8178 | end = contents + size; | |
8179 | } | |
8180 | else | |
333b20bb | 8181 | { |
63cec32f GM |
8182 | Lisp_Object data; |
8183 | data = image_spec_value (img->spec, QCdata, NULL); | |
8184 | p = XSTRING (data)->data; | |
8185 | end = p + STRING_BYTES (XSTRING (data)); | |
333b20bb GM |
8186 | } |
8187 | ||
63cec32f GM |
8188 | /* Check magic number. */ |
8189 | if (end - p < 2 || *p++ != 'P') | |
333b20bb | 8190 | { |
45158a91 | 8191 | image_error ("Not a PBM image: `%s'", img->spec, Qnil); |
63cec32f GM |
8192 | error: |
8193 | xfree (contents); | |
333b20bb GM |
8194 | UNGCPRO; |
8195 | return 0; | |
8196 | } | |
8197 | ||
63cec32f | 8198 | switch (*p++) |
333b20bb GM |
8199 | { |
8200 | case '1': | |
8201 | raw_p = 0, type = PBM_MONO; | |
8202 | break; | |
8203 | ||
8204 | case '2': | |
8205 | raw_p = 0, type = PBM_GRAY; | |
8206 | break; | |
8207 | ||
8208 | case '3': | |
8209 | raw_p = 0, type = PBM_COLOR; | |
8210 | break; | |
8211 | ||
8212 | case '4': | |
8213 | raw_p = 1, type = PBM_MONO; | |
8214 | break; | |
8215 | ||
8216 | case '5': | |
8217 | raw_p = 1, type = PBM_GRAY; | |
8218 | break; | |
8219 | ||
8220 | case '6': | |
8221 | raw_p = 1, type = PBM_COLOR; | |
8222 | break; | |
8223 | ||
8224 | default: | |
45158a91 | 8225 | image_error ("Not a PBM image: `%s'", img->spec, Qnil); |
63cec32f | 8226 | goto error; |
333b20bb GM |
8227 | } |
8228 | ||
8229 | /* Read width, height, maximum color-component. Characters | |
8230 | starting with `#' up to the end of a line are ignored. */ | |
63cec32f GM |
8231 | width = pbm_scan_number (&p, end); |
8232 | height = pbm_scan_number (&p, end); | |
333b20bb GM |
8233 | |
8234 | if (type != PBM_MONO) | |
8235 | { | |
63cec32f | 8236 | max_color_idx = pbm_scan_number (&p, end); |
333b20bb GM |
8237 | if (raw_p && max_color_idx > 255) |
8238 | max_color_idx = 255; | |
8239 | } | |
8240 | ||
63cec32f GM |
8241 | if (width < 0 |
8242 | || height < 0 | |
333b20bb | 8243 | || (type != PBM_MONO && max_color_idx < 0)) |
63cec32f | 8244 | goto error; |
333b20bb | 8245 | |
45158a91 | 8246 | if (!x_create_x_image_and_pixmap (f, width, height, 0, |
333b20bb | 8247 | &ximg, &img->pixmap)) |
28c7826c | 8248 | goto error; |
333b20bb GM |
8249 | |
8250 | /* Initialize the color hash table. */ | |
8251 | init_color_table (); | |
8252 | ||
8253 | if (type == PBM_MONO) | |
8254 | { | |
8255 | int c = 0, g; | |
be0b1fac GM |
8256 | struct image_keyword fmt[PBM_LAST]; |
8257 | unsigned long fg = FRAME_FOREGROUND_PIXEL (f); | |
8258 | unsigned long bg = FRAME_BACKGROUND_PIXEL (f); | |
8259 | ||
8260 | /* Parse the image specification. */ | |
8261 | bcopy (pbm_format, fmt, sizeof fmt); | |
8262 | parse_image_spec (img->spec, fmt, PBM_LAST, Qpbm); | |
8263 | ||
8264 | /* Get foreground and background colors, maybe allocate colors. */ | |
8265 | if (fmt[PBM_FOREGROUND].count) | |
8266 | fg = x_alloc_image_color (f, img, fmt[PBM_FOREGROUND].value, fg); | |
8267 | if (fmt[PBM_BACKGROUND].count) | |
8268 | bg = x_alloc_image_color (f, img, fmt[PBM_BACKGROUND].value, bg); | |
333b20bb GM |
8269 | |
8270 | for (y = 0; y < height; ++y) | |
8271 | for (x = 0; x < width; ++x) | |
8272 | { | |
8273 | if (raw_p) | |
8274 | { | |
8275 | if ((x & 7) == 0) | |
63cec32f | 8276 | c = *p++; |
333b20bb GM |
8277 | g = c & 0x80; |
8278 | c <<= 1; | |
8279 | } | |
8280 | else | |
63cec32f | 8281 | g = pbm_scan_number (&p, end); |
333b20bb | 8282 | |
be0b1fac | 8283 | XPutPixel (ximg, x, y, g ? fg : bg); |
333b20bb GM |
8284 | } |
8285 | } | |
8286 | else | |
8287 | { | |
8288 | for (y = 0; y < height; ++y) | |
8289 | for (x = 0; x < width; ++x) | |
8290 | { | |
8291 | int r, g, b; | |
8292 | ||
8293 | if (type == PBM_GRAY) | |
63cec32f | 8294 | r = g = b = raw_p ? *p++ : pbm_scan_number (&p, end); |
333b20bb GM |
8295 | else if (raw_p) |
8296 | { | |
63cec32f GM |
8297 | r = *p++; |
8298 | g = *p++; | |
8299 | b = *p++; | |
333b20bb GM |
8300 | } |
8301 | else | |
8302 | { | |
63cec32f GM |
8303 | r = pbm_scan_number (&p, end); |
8304 | g = pbm_scan_number (&p, end); | |
8305 | b = pbm_scan_number (&p, end); | |
333b20bb GM |
8306 | } |
8307 | ||
8308 | if (r < 0 || g < 0 || b < 0) | |
8309 | { | |
333b20bb GM |
8310 | xfree (ximg->data); |
8311 | ximg->data = NULL; | |
8312 | XDestroyImage (ximg); | |
45158a91 GM |
8313 | image_error ("Invalid pixel value in image `%s'", |
8314 | img->spec, Qnil); | |
63cec32f | 8315 | goto error; |
333b20bb GM |
8316 | } |
8317 | ||
8318 | /* RGB values are now in the range 0..max_color_idx. | |
8319 | Scale this to the range 0..0xffff supported by X. */ | |
8320 | r = (double) r * 65535 / max_color_idx; | |
8321 | g = (double) g * 65535 / max_color_idx; | |
8322 | b = (double) b * 65535 / max_color_idx; | |
8323 | XPutPixel (ximg, x, y, lookup_rgb_color (f, r, g, b)); | |
8324 | } | |
8325 | } | |
8326 | ||
333b20bb GM |
8327 | /* Store in IMG->colors the colors allocated for the image, and |
8328 | free the color table. */ | |
8329 | img->colors = colors_in_color_table (&img->ncolors); | |
8330 | free_color_table (); | |
8331 | ||
8332 | /* Put the image into a pixmap. */ | |
8333 | x_put_x_image (f, ximg, img->pixmap, width, height); | |
8334 | x_destroy_x_image (ximg); | |
333b20bb GM |
8335 | |
8336 | img->width = width; | |
8337 | img->height = height; | |
8338 | ||
8339 | UNGCPRO; | |
63cec32f | 8340 | xfree (contents); |
333b20bb GM |
8341 | return 1; |
8342 | } | |
8343 | ||
8344 | ||
8345 | \f | |
8346 | /*********************************************************************** | |
8347 | PNG | |
8348 | ***********************************************************************/ | |
8349 | ||
8350 | #if HAVE_PNG | |
8351 | ||
8352 | #include <png.h> | |
8353 | ||
8354 | /* Function prototypes. */ | |
8355 | ||
8356 | static int png_image_p P_ ((Lisp_Object object)); | |
8357 | static int png_load P_ ((struct frame *f, struct image *img)); | |
8358 | ||
8359 | /* The symbol `png' identifying images of this type. */ | |
8360 | ||
8361 | Lisp_Object Qpng; | |
8362 | ||
8363 | /* Indices of image specification fields in png_format, below. */ | |
8364 | ||
8365 | enum png_keyword_index | |
8366 | { | |
8367 | PNG_TYPE, | |
63448a4d | 8368 | PNG_DATA, |
333b20bb GM |
8369 | PNG_FILE, |
8370 | PNG_ASCENT, | |
8371 | PNG_MARGIN, | |
8372 | PNG_RELIEF, | |
8373 | PNG_ALGORITHM, | |
8374 | PNG_HEURISTIC_MASK, | |
4a8e312c | 8375 | PNG_MASK, |
333b20bb GM |
8376 | PNG_LAST |
8377 | }; | |
8378 | ||
8379 | /* Vector of image_keyword structures describing the format | |
8380 | of valid user-defined image specifications. */ | |
8381 | ||
8382 | static struct image_keyword png_format[PNG_LAST] = | |
8383 | { | |
8384 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
5ad6a5fb | 8385 | {":data", IMAGE_STRING_VALUE, 0}, |
63448a4d | 8386 | {":file", IMAGE_STRING_VALUE, 0}, |
7c7ff7f5 | 8387 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
3ed61e75 | 8388 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
333b20bb | 8389 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
d2dc8167 | 8390 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
4a8e312c GM |
8391 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
8392 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0} | |
333b20bb GM |
8393 | }; |
8394 | ||
06482119 | 8395 | /* Structure describing the image type `png'. */ |
333b20bb GM |
8396 | |
8397 | static struct image_type png_type = | |
8398 | { | |
8399 | &Qpng, | |
8400 | png_image_p, | |
8401 | png_load, | |
8402 | x_clear_image, | |
8403 | NULL | |
8404 | }; | |
8405 | ||
8406 | ||
8407 | /* Return non-zero if OBJECT is a valid PNG image specification. */ | |
8408 | ||
8409 | static int | |
8410 | png_image_p (object) | |
8411 | Lisp_Object object; | |
8412 | { | |
8413 | struct image_keyword fmt[PNG_LAST]; | |
8414 | bcopy (png_format, fmt, sizeof fmt); | |
8415 | ||
7c7ff7f5 | 8416 | if (!parse_image_spec (object, fmt, PNG_LAST, Qpng)) |
333b20bb | 8417 | return 0; |
63448a4d | 8418 | |
63cec32f GM |
8419 | /* Must specify either the :data or :file keyword. */ |
8420 | return fmt[PNG_FILE].count + fmt[PNG_DATA].count == 1; | |
333b20bb GM |
8421 | } |
8422 | ||
8423 | ||
8424 | /* Error and warning handlers installed when the PNG library | |
8425 | is initialized. */ | |
8426 | ||
8427 | static void | |
8428 | my_png_error (png_ptr, msg) | |
8429 | png_struct *png_ptr; | |
8430 | char *msg; | |
8431 | { | |
8432 | xassert (png_ptr != NULL); | |
8433 | image_error ("PNG error: %s", build_string (msg), Qnil); | |
8434 | longjmp (png_ptr->jmpbuf, 1); | |
8435 | } | |
8436 | ||
8437 | ||
8438 | static void | |
8439 | my_png_warning (png_ptr, msg) | |
8440 | png_struct *png_ptr; | |
8441 | char *msg; | |
8442 | { | |
8443 | xassert (png_ptr != NULL); | |
8444 | image_error ("PNG warning: %s", build_string (msg), Qnil); | |
8445 | } | |
8446 | ||
5ad6a5fb GM |
8447 | /* Memory source for PNG decoding. */ |
8448 | ||
63448a4d WP |
8449 | struct png_memory_storage |
8450 | { | |
5ad6a5fb GM |
8451 | unsigned char *bytes; /* The data */ |
8452 | size_t len; /* How big is it? */ | |
8453 | int index; /* Where are we? */ | |
63448a4d WP |
8454 | }; |
8455 | ||
5ad6a5fb GM |
8456 | |
8457 | /* Function set as reader function when reading PNG image from memory. | |
8458 | PNG_PTR is a pointer to the PNG control structure. Copy LENGTH | |
8459 | bytes from the input to DATA. */ | |
8460 | ||
63448a4d | 8461 | static void |
5ad6a5fb GM |
8462 | png_read_from_memory (png_ptr, data, length) |
8463 | png_structp png_ptr; | |
8464 | png_bytep data; | |
8465 | png_size_t length; | |
63448a4d | 8466 | { |
5ad6a5fb GM |
8467 | struct png_memory_storage *tbr |
8468 | = (struct png_memory_storage *) png_get_io_ptr (png_ptr); | |
63448a4d | 8469 | |
5ad6a5fb GM |
8470 | if (length > tbr->len - tbr->index) |
8471 | png_error (png_ptr, "Read error"); | |
8472 | ||
8473 | bcopy (tbr->bytes + tbr->index, data, length); | |
8474 | tbr->index = tbr->index + length; | |
63448a4d | 8475 | } |
333b20bb GM |
8476 | |
8477 | /* Load PNG image IMG for use on frame F. Value is non-zero if | |
8478 | successful. */ | |
8479 | ||
8480 | static int | |
8481 | png_load (f, img) | |
8482 | struct frame *f; | |
8483 | struct image *img; | |
8484 | { | |
8485 | Lisp_Object file, specified_file; | |
63448a4d | 8486 | Lisp_Object specified_data; |
b6d7acec | 8487 | int x, y, i; |
333b20bb GM |
8488 | XImage *ximg, *mask_img = NULL; |
8489 | struct gcpro gcpro1; | |
8490 | png_struct *png_ptr = NULL; | |
8491 | png_info *info_ptr = NULL, *end_info = NULL; | |
8ec8a5ec | 8492 | FILE *volatile fp = NULL; |
333b20bb | 8493 | png_byte sig[8]; |
8ec8a5ec GM |
8494 | png_byte * volatile pixels = NULL; |
8495 | png_byte ** volatile rows = NULL; | |
333b20bb GM |
8496 | png_uint_32 width, height; |
8497 | int bit_depth, color_type, interlace_type; | |
8498 | png_byte channels; | |
8499 | png_uint_32 row_bytes; | |
8500 | int transparent_p; | |
8501 | char *gamma_str; | |
8502 | double screen_gamma, image_gamma; | |
8503 | int intent; | |
63448a4d | 8504 | struct png_memory_storage tbr; /* Data to be read */ |
333b20bb GM |
8505 | |
8506 | /* Find out what file to load. */ | |
8507 | specified_file = image_spec_value (img->spec, QCfile, NULL); | |
63448a4d | 8508 | specified_data = image_spec_value (img->spec, QCdata, NULL); |
5ad6a5fb GM |
8509 | file = Qnil; |
8510 | GCPRO1 (file); | |
333b20bb | 8511 | |
63448a4d | 8512 | if (NILP (specified_data)) |
5ad6a5fb GM |
8513 | { |
8514 | file = x_find_image_file (specified_file); | |
8515 | if (!STRINGP (file)) | |
63448a4d | 8516 | { |
45158a91 | 8517 | image_error ("Cannot find image file `%s'", specified_file, Qnil); |
5ad6a5fb GM |
8518 | UNGCPRO; |
8519 | return 0; | |
8520 | } | |
333b20bb | 8521 | |
5ad6a5fb GM |
8522 | /* Open the image file. */ |
8523 | fp = fopen (XSTRING (file)->data, "rb"); | |
8524 | if (!fp) | |
8525 | { | |
45158a91 | 8526 | image_error ("Cannot open image file `%s'", file, Qnil); |
5ad6a5fb GM |
8527 | UNGCPRO; |
8528 | fclose (fp); | |
8529 | return 0; | |
8530 | } | |
63448a4d | 8531 | |
5ad6a5fb GM |
8532 | /* Check PNG signature. */ |
8533 | if (fread (sig, 1, sizeof sig, fp) != sizeof sig | |
8534 | || !png_check_sig (sig, sizeof sig)) | |
8535 | { | |
45158a91 | 8536 | image_error ("Not a PNG file: `%s'", file, Qnil); |
5ad6a5fb GM |
8537 | UNGCPRO; |
8538 | fclose (fp); | |
8539 | return 0; | |
63448a4d | 8540 | } |
5ad6a5fb | 8541 | } |
63448a4d | 8542 | else |
5ad6a5fb GM |
8543 | { |
8544 | /* Read from memory. */ | |
8545 | tbr.bytes = XSTRING (specified_data)->data; | |
8546 | tbr.len = STRING_BYTES (XSTRING (specified_data)); | |
8547 | tbr.index = 0; | |
63448a4d | 8548 | |
5ad6a5fb GM |
8549 | /* Check PNG signature. */ |
8550 | if (tbr.len < sizeof sig | |
8551 | || !png_check_sig (tbr.bytes, sizeof sig)) | |
8552 | { | |
45158a91 | 8553 | image_error ("Not a PNG image: `%s'", img->spec, Qnil); |
5ad6a5fb GM |
8554 | UNGCPRO; |
8555 | return 0; | |
63448a4d | 8556 | } |
333b20bb | 8557 | |
5ad6a5fb GM |
8558 | /* Need to skip past the signature. */ |
8559 | tbr.bytes += sizeof (sig); | |
8560 | } | |
8561 | ||
333b20bb GM |
8562 | /* Initialize read and info structs for PNG lib. */ |
8563 | png_ptr = png_create_read_struct (PNG_LIBPNG_VER_STRING, NULL, | |
8564 | my_png_error, my_png_warning); | |
8565 | if (!png_ptr) | |
8566 | { | |
63448a4d | 8567 | if (fp) fclose (fp); |
333b20bb GM |
8568 | UNGCPRO; |
8569 | return 0; | |
8570 | } | |
8571 | ||
8572 | info_ptr = png_create_info_struct (png_ptr); | |
8573 | if (!info_ptr) | |
8574 | { | |
8575 | png_destroy_read_struct (&png_ptr, NULL, NULL); | |
63448a4d | 8576 | if (fp) fclose (fp); |
333b20bb GM |
8577 | UNGCPRO; |
8578 | return 0; | |
8579 | } | |
8580 | ||
8581 | end_info = png_create_info_struct (png_ptr); | |
8582 | if (!end_info) | |
8583 | { | |
8584 | png_destroy_read_struct (&png_ptr, &info_ptr, NULL); | |
63448a4d | 8585 | if (fp) fclose (fp); |
333b20bb GM |
8586 | UNGCPRO; |
8587 | return 0; | |
8588 | } | |
8589 | ||
8590 | /* Set error jump-back. We come back here when the PNG library | |
8591 | detects an error. */ | |
8592 | if (setjmp (png_ptr->jmpbuf)) | |
8593 | { | |
8594 | error: | |
8595 | if (png_ptr) | |
8596 | png_destroy_read_struct (&png_ptr, &info_ptr, &end_info); | |
8597 | xfree (pixels); | |
8598 | xfree (rows); | |
63448a4d | 8599 | if (fp) fclose (fp); |
333b20bb GM |
8600 | UNGCPRO; |
8601 | return 0; | |
8602 | } | |
8603 | ||
8604 | /* Read image info. */ | |
63448a4d | 8605 | if (!NILP (specified_data)) |
5ad6a5fb | 8606 | png_set_read_fn (png_ptr, (void *) &tbr, png_read_from_memory); |
63448a4d | 8607 | else |
5ad6a5fb | 8608 | png_init_io (png_ptr, fp); |
63448a4d | 8609 | |
333b20bb GM |
8610 | png_set_sig_bytes (png_ptr, sizeof sig); |
8611 | png_read_info (png_ptr, info_ptr); | |
8612 | png_get_IHDR (png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, | |
8613 | &interlace_type, NULL, NULL); | |
8614 | ||
8615 | /* If image contains simply transparency data, we prefer to | |
8616 | construct a clipping mask. */ | |
8617 | if (png_get_valid (png_ptr, info_ptr, PNG_INFO_tRNS)) | |
8618 | transparent_p = 1; | |
8619 | else | |
8620 | transparent_p = 0; | |
8621 | ||
8622 | /* This function is easier to write if we only have to handle | |
8623 | one data format: RGB or RGBA with 8 bits per channel. Let's | |
8624 | transform other formats into that format. */ | |
8625 | ||
8626 | /* Strip more than 8 bits per channel. */ | |
8627 | if (bit_depth == 16) | |
8628 | png_set_strip_16 (png_ptr); | |
8629 | ||
8630 | /* Expand data to 24 bit RGB, or 8 bit grayscale, with alpha channel | |
8631 | if available. */ | |
8632 | png_set_expand (png_ptr); | |
8633 | ||
8634 | /* Convert grayscale images to RGB. */ | |
8635 | if (color_type == PNG_COLOR_TYPE_GRAY | |
8636 | || color_type == PNG_COLOR_TYPE_GRAY_ALPHA) | |
8637 | png_set_gray_to_rgb (png_ptr); | |
8638 | ||
8639 | /* The value 2.2 is a guess for PC monitors from PNG example.c. */ | |
8640 | gamma_str = getenv ("SCREEN_GAMMA"); | |
8641 | screen_gamma = gamma_str ? atof (gamma_str) : 2.2; | |
8642 | ||
8643 | /* Tell the PNG lib to handle gamma correction for us. */ | |
8644 | ||
6c1aa34d | 8645 | #if defined(PNG_READ_sRGB_SUPPORTED) || defined(PNG_WRITE_sRGB_SUPPORTED) |
333b20bb GM |
8646 | if (png_get_sRGB (png_ptr, info_ptr, &intent)) |
8647 | /* There is a special chunk in the image specifying the gamma. */ | |
8648 | png_set_sRGB (png_ptr, info_ptr, intent); | |
6c1aa34d GM |
8649 | else |
8650 | #endif | |
8651 | if (png_get_gAMA (png_ptr, info_ptr, &image_gamma)) | |
333b20bb GM |
8652 | /* Image contains gamma information. */ |
8653 | png_set_gamma (png_ptr, screen_gamma, image_gamma); | |
8654 | else | |
8655 | /* Use a default of 0.5 for the image gamma. */ | |
8656 | png_set_gamma (png_ptr, screen_gamma, 0.5); | |
8657 | ||
8658 | /* Handle alpha channel by combining the image with a background | |
8659 | color. Do this only if a real alpha channel is supplied. For | |
8660 | simple transparency, we prefer a clipping mask. */ | |
8661 | if (!transparent_p) | |
8662 | { | |
8663 | png_color_16 *image_background; | |
8664 | ||
8665 | if (png_get_bKGD (png_ptr, info_ptr, &image_background)) | |
8666 | /* Image contains a background color with which to | |
8667 | combine the image. */ | |
8668 | png_set_background (png_ptr, image_background, | |
8669 | PNG_BACKGROUND_GAMMA_FILE, 1, 1.0); | |
8670 | else | |
8671 | { | |
8672 | /* Image does not contain a background color with which | |
8673 | to combine the image data via an alpha channel. Use | |
8674 | the frame's background instead. */ | |
8675 | XColor color; | |
8676 | Colormap cmap; | |
8677 | png_color_16 frame_background; | |
8678 | ||
9b2956e2 | 8679 | cmap = FRAME_X_COLORMAP (f); |
333b20bb | 8680 | color.pixel = FRAME_BACKGROUND_PIXEL (f); |
a31fedb7 | 8681 | x_query_color (f, &color); |
333b20bb GM |
8682 | |
8683 | bzero (&frame_background, sizeof frame_background); | |
8684 | frame_background.red = color.red; | |
8685 | frame_background.green = color.green; | |
8686 | frame_background.blue = color.blue; | |
8687 | ||
8688 | png_set_background (png_ptr, &frame_background, | |
8689 | PNG_BACKGROUND_GAMMA_SCREEN, 0, 1.0); | |
8690 | } | |
8691 | } | |
8692 | ||
8693 | /* Update info structure. */ | |
8694 | png_read_update_info (png_ptr, info_ptr); | |
8695 | ||
8696 | /* Get number of channels. Valid values are 1 for grayscale images | |
8697 | and images with a palette, 2 for grayscale images with transparency | |
8698 | information (alpha channel), 3 for RGB images, and 4 for RGB | |
8699 | images with alpha channel, i.e. RGBA. If conversions above were | |
8700 | sufficient we should only have 3 or 4 channels here. */ | |
8701 | channels = png_get_channels (png_ptr, info_ptr); | |
8702 | xassert (channels == 3 || channels == 4); | |
8703 | ||
8704 | /* Number of bytes needed for one row of the image. */ | |
8705 | row_bytes = png_get_rowbytes (png_ptr, info_ptr); | |
8706 | ||
8707 | /* Allocate memory for the image. */ | |
8708 | pixels = (png_byte *) xmalloc (row_bytes * height * sizeof *pixels); | |
8709 | rows = (png_byte **) xmalloc (height * sizeof *rows); | |
8710 | for (i = 0; i < height; ++i) | |
8711 | rows[i] = pixels + i * row_bytes; | |
8712 | ||
8713 | /* Read the entire image. */ | |
8714 | png_read_image (png_ptr, rows); | |
8715 | png_read_end (png_ptr, info_ptr); | |
5ad6a5fb GM |
8716 | if (fp) |
8717 | { | |
8718 | fclose (fp); | |
8719 | fp = NULL; | |
8720 | } | |
333b20bb | 8721 | |
333b20bb | 8722 | /* Create the X image and pixmap. */ |
45158a91 | 8723 | if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, |
333b20bb | 8724 | &img->pixmap)) |
28c7826c | 8725 | goto error; |
333b20bb GM |
8726 | |
8727 | /* Create an image and pixmap serving as mask if the PNG image | |
8728 | contains an alpha channel. */ | |
8729 | if (channels == 4 | |
8730 | && !transparent_p | |
45158a91 | 8731 | && !x_create_x_image_and_pixmap (f, width, height, 1, |
333b20bb GM |
8732 | &mask_img, &img->mask)) |
8733 | { | |
8734 | x_destroy_x_image (ximg); | |
8735 | XFreePixmap (FRAME_X_DISPLAY (f), img->pixmap); | |
dd00328a | 8736 | img->pixmap = None; |
333b20bb GM |
8737 | goto error; |
8738 | } | |
8739 | ||
8740 | /* Fill the X image and mask from PNG data. */ | |
8741 | init_color_table (); | |
8742 | ||
8743 | for (y = 0; y < height; ++y) | |
8744 | { | |
8745 | png_byte *p = rows[y]; | |
8746 | ||
8747 | for (x = 0; x < width; ++x) | |
8748 | { | |
8749 | unsigned r, g, b; | |
8750 | ||
8751 | r = *p++ << 8; | |
8752 | g = *p++ << 8; | |
8753 | b = *p++ << 8; | |
8754 | XPutPixel (ximg, x, y, lookup_rgb_color (f, r, g, b)); | |
8755 | ||
8756 | /* An alpha channel, aka mask channel, associates variable | |
8757 | transparency with an image. Where other image formats | |
8758 | support binary transparency---fully transparent or fully | |
8759 | opaque---PNG allows up to 254 levels of partial transparency. | |
8760 | The PNG library implements partial transparency by combining | |
8761 | the image with a specified background color. | |
8762 | ||
8763 | I'm not sure how to handle this here nicely: because the | |
8764 | background on which the image is displayed may change, for | |
8765 | real alpha channel support, it would be necessary to create | |
8766 | a new image for each possible background. | |
8767 | ||
8768 | What I'm doing now is that a mask is created if we have | |
8769 | boolean transparency information. Otherwise I'm using | |
8770 | the frame's background color to combine the image with. */ | |
8771 | ||
8772 | if (channels == 4) | |
8773 | { | |
8774 | if (mask_img) | |
8775 | XPutPixel (mask_img, x, y, *p > 0); | |
8776 | ++p; | |
8777 | } | |
8778 | } | |
8779 | } | |
8780 | ||
8781 | /* Remember colors allocated for this image. */ | |
8782 | img->colors = colors_in_color_table (&img->ncolors); | |
8783 | free_color_table (); | |
8784 | ||
8785 | /* Clean up. */ | |
8786 | png_destroy_read_struct (&png_ptr, &info_ptr, &end_info); | |
8787 | xfree (rows); | |
8788 | xfree (pixels); | |
8789 | ||
8790 | img->width = width; | |
8791 | img->height = height; | |
8792 | ||
8793 | /* Put the image into the pixmap, then free the X image and its buffer. */ | |
8794 | x_put_x_image (f, ximg, img->pixmap, width, height); | |
8795 | x_destroy_x_image (ximg); | |
8796 | ||
8797 | /* Same for the mask. */ | |
8798 | if (mask_img) | |
8799 | { | |
8800 | x_put_x_image (f, mask_img, img->mask, img->width, img->height); | |
8801 | x_destroy_x_image (mask_img); | |
8802 | } | |
8803 | ||
333b20bb GM |
8804 | UNGCPRO; |
8805 | return 1; | |
8806 | } | |
8807 | ||
8808 | #endif /* HAVE_PNG != 0 */ | |
8809 | ||
8810 | ||
8811 | \f | |
8812 | /*********************************************************************** | |
8813 | JPEG | |
8814 | ***********************************************************************/ | |
8815 | ||
8816 | #if HAVE_JPEG | |
8817 | ||
ba06aba4 GM |
8818 | /* Work around a warning about HAVE_STDLIB_H being redefined in |
8819 | jconfig.h. */ | |
8820 | #ifdef HAVE_STDLIB_H | |
8821 | #define HAVE_STDLIB_H_1 | |
8822 | #undef HAVE_STDLIB_H | |
8823 | #endif /* HAVE_STLIB_H */ | |
8824 | ||
333b20bb GM |
8825 | #include <jpeglib.h> |
8826 | #include <jerror.h> | |
8827 | #include <setjmp.h> | |
8828 | ||
ba06aba4 GM |
8829 | #ifdef HAVE_STLIB_H_1 |
8830 | #define HAVE_STDLIB_H 1 | |
8831 | #endif | |
8832 | ||
333b20bb GM |
8833 | static int jpeg_image_p P_ ((Lisp_Object object)); |
8834 | static int jpeg_load P_ ((struct frame *f, struct image *img)); | |
8835 | ||
8836 | /* The symbol `jpeg' identifying images of this type. */ | |
8837 | ||
8838 | Lisp_Object Qjpeg; | |
8839 | ||
8840 | /* Indices of image specification fields in gs_format, below. */ | |
8841 | ||
8842 | enum jpeg_keyword_index | |
8843 | { | |
8844 | JPEG_TYPE, | |
8e39770a | 8845 | JPEG_DATA, |
333b20bb GM |
8846 | JPEG_FILE, |
8847 | JPEG_ASCENT, | |
8848 | JPEG_MARGIN, | |
8849 | JPEG_RELIEF, | |
8850 | JPEG_ALGORITHM, | |
8851 | JPEG_HEURISTIC_MASK, | |
4a8e312c | 8852 | JPEG_MASK, |
333b20bb GM |
8853 | JPEG_LAST |
8854 | }; | |
8855 | ||
8856 | /* Vector of image_keyword structures describing the format | |
8857 | of valid user-defined image specifications. */ | |
8858 | ||
8859 | static struct image_keyword jpeg_format[JPEG_LAST] = | |
8860 | { | |
8861 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
5ad6a5fb | 8862 | {":data", IMAGE_STRING_VALUE, 0}, |
8e39770a | 8863 | {":file", IMAGE_STRING_VALUE, 0}, |
7c7ff7f5 | 8864 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
3ed61e75 | 8865 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
333b20bb | 8866 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
d2dc8167 | 8867 | {":conversions", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
4a8e312c GM |
8868 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
8869 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0} | |
333b20bb GM |
8870 | }; |
8871 | ||
8872 | /* Structure describing the image type `jpeg'. */ | |
8873 | ||
8874 | static struct image_type jpeg_type = | |
8875 | { | |
8876 | &Qjpeg, | |
8877 | jpeg_image_p, | |
8878 | jpeg_load, | |
8879 | x_clear_image, | |
8880 | NULL | |
8881 | }; | |
8882 | ||
8883 | ||
8884 | /* Return non-zero if OBJECT is a valid JPEG image specification. */ | |
8885 | ||
8886 | static int | |
8887 | jpeg_image_p (object) | |
8888 | Lisp_Object object; | |
8889 | { | |
8890 | struct image_keyword fmt[JPEG_LAST]; | |
8891 | ||
8892 | bcopy (jpeg_format, fmt, sizeof fmt); | |
8893 | ||
7c7ff7f5 | 8894 | if (!parse_image_spec (object, fmt, JPEG_LAST, Qjpeg)) |
333b20bb | 8895 | return 0; |
8e39770a | 8896 | |
63cec32f GM |
8897 | /* Must specify either the :data or :file keyword. */ |
8898 | return fmt[JPEG_FILE].count + fmt[JPEG_DATA].count == 1; | |
333b20bb GM |
8899 | } |
8900 | ||
8e39770a | 8901 | |
333b20bb GM |
8902 | struct my_jpeg_error_mgr |
8903 | { | |
8904 | struct jpeg_error_mgr pub; | |
8905 | jmp_buf setjmp_buffer; | |
8906 | }; | |
8907 | ||
e3130015 | 8908 | |
333b20bb GM |
8909 | static void |
8910 | my_error_exit (cinfo) | |
8911 | j_common_ptr cinfo; | |
8912 | { | |
8913 | struct my_jpeg_error_mgr *mgr = (struct my_jpeg_error_mgr *) cinfo->err; | |
8914 | longjmp (mgr->setjmp_buffer, 1); | |
8915 | } | |
8916 | ||
e3130015 | 8917 | |
8e39770a GM |
8918 | /* Init source method for JPEG data source manager. Called by |
8919 | jpeg_read_header() before any data is actually read. See | |
8920 | libjpeg.doc from the JPEG lib distribution. */ | |
8921 | ||
8922 | static void | |
8923 | our_init_source (cinfo) | |
8924 | j_decompress_ptr cinfo; | |
8925 | { | |
8926 | } | |
8927 | ||
8928 | ||
8929 | /* Fill input buffer method for JPEG data source manager. Called | |
8930 | whenever more data is needed. We read the whole image in one step, | |
8931 | so this only adds a fake end of input marker at the end. */ | |
8932 | ||
8933 | static boolean | |
8934 | our_fill_input_buffer (cinfo) | |
8935 | j_decompress_ptr cinfo; | |
8936 | { | |
8937 | /* Insert a fake EOI marker. */ | |
8938 | struct jpeg_source_mgr *src = cinfo->src; | |
8939 | static JOCTET buffer[2]; | |
8940 | ||
8941 | buffer[0] = (JOCTET) 0xFF; | |
8942 | buffer[1] = (JOCTET) JPEG_EOI; | |
8943 | ||
8944 | src->next_input_byte = buffer; | |
8945 | src->bytes_in_buffer = 2; | |
8946 | return TRUE; | |
8947 | } | |
8948 | ||
8949 | ||
8950 | /* Method to skip over NUM_BYTES bytes in the image data. CINFO->src | |
8951 | is the JPEG data source manager. */ | |
8952 | ||
8953 | static void | |
8954 | our_skip_input_data (cinfo, num_bytes) | |
8955 | j_decompress_ptr cinfo; | |
8956 | long num_bytes; | |
8957 | { | |
8958 | struct jpeg_source_mgr *src = (struct jpeg_source_mgr *) cinfo->src; | |
8959 | ||
8960 | if (src) | |
8961 | { | |
8962 | if (num_bytes > src->bytes_in_buffer) | |
5ad6a5fb | 8963 | ERREXIT (cinfo, JERR_INPUT_EOF); |
8e39770a GM |
8964 | |
8965 | src->bytes_in_buffer -= num_bytes; | |
8966 | src->next_input_byte += num_bytes; | |
8967 | } | |
8968 | } | |
8969 | ||
8970 | ||
8971 | /* Method to terminate data source. Called by | |
8972 | jpeg_finish_decompress() after all data has been processed. */ | |
8973 | ||
8974 | static void | |
8975 | our_term_source (cinfo) | |
8976 | j_decompress_ptr cinfo; | |
8977 | { | |
8978 | } | |
8979 | ||
8980 | ||
8981 | /* Set up the JPEG lib for reading an image from DATA which contains | |
8982 | LEN bytes. CINFO is the decompression info structure created for | |
8983 | reading the image. */ | |
8984 | ||
8985 | static void | |
8986 | jpeg_memory_src (cinfo, data, len) | |
8987 | j_decompress_ptr cinfo; | |
8988 | JOCTET *data; | |
8989 | unsigned int len; | |
8990 | { | |
8991 | struct jpeg_source_mgr *src; | |
8992 | ||
8993 | if (cinfo->src == NULL) | |
8994 | { | |
8995 | /* First time for this JPEG object? */ | |
8996 | cinfo->src = (struct jpeg_source_mgr *) | |
8997 | (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT, | |
8998 | sizeof (struct jpeg_source_mgr)); | |
8999 | src = (struct jpeg_source_mgr *) cinfo->src; | |
9000 | src->next_input_byte = data; | |
9001 | } | |
9002 | ||
9003 | src = (struct jpeg_source_mgr *) cinfo->src; | |
9004 | src->init_source = our_init_source; | |
9005 | src->fill_input_buffer = our_fill_input_buffer; | |
9006 | src->skip_input_data = our_skip_input_data; | |
9007 | src->resync_to_restart = jpeg_resync_to_restart; /* Use default method. */ | |
9008 | src->term_source = our_term_source; | |
9009 | src->bytes_in_buffer = len; | |
9010 | src->next_input_byte = data; | |
9011 | } | |
9012 | ||
5ad6a5fb | 9013 | |
333b20bb GM |
9014 | /* Load image IMG for use on frame F. Patterned after example.c |
9015 | from the JPEG lib. */ | |
9016 | ||
9017 | static int | |
9018 | jpeg_load (f, img) | |
9019 | struct frame *f; | |
9020 | struct image *img; | |
9021 | { | |
9022 | struct jpeg_decompress_struct cinfo; | |
9023 | struct my_jpeg_error_mgr mgr; | |
9024 | Lisp_Object file, specified_file; | |
8e39770a | 9025 | Lisp_Object specified_data; |
8ec8a5ec | 9026 | FILE * volatile fp = NULL; |
333b20bb GM |
9027 | JSAMPARRAY buffer; |
9028 | int row_stride, x, y; | |
9029 | XImage *ximg = NULL; | |
b6d7acec | 9030 | int rc; |
333b20bb GM |
9031 | unsigned long *colors; |
9032 | int width, height; | |
9033 | struct gcpro gcpro1; | |
9034 | ||
9035 | /* Open the JPEG file. */ | |
9036 | specified_file = image_spec_value (img->spec, QCfile, NULL); | |
8e39770a | 9037 | specified_data = image_spec_value (img->spec, QCdata, NULL); |
5ad6a5fb GM |
9038 | file = Qnil; |
9039 | GCPRO1 (file); | |
8e39770a | 9040 | |
8e39770a | 9041 | if (NILP (specified_data)) |
333b20bb | 9042 | { |
8e39770a | 9043 | file = x_find_image_file (specified_file); |
8e39770a GM |
9044 | if (!STRINGP (file)) |
9045 | { | |
45158a91 | 9046 | image_error ("Cannot find image file `%s'", specified_file, Qnil); |
8e39770a GM |
9047 | UNGCPRO; |
9048 | return 0; | |
9049 | } | |
333b20bb | 9050 | |
8e39770a GM |
9051 | fp = fopen (XSTRING (file)->data, "r"); |
9052 | if (fp == NULL) | |
9053 | { | |
9054 | image_error ("Cannot open `%s'", file, Qnil); | |
9055 | UNGCPRO; | |
9056 | return 0; | |
9057 | } | |
333b20bb GM |
9058 | } |
9059 | ||
5ad6a5fb GM |
9060 | /* Customize libjpeg's error handling to call my_error_exit when an |
9061 | error is detected. This function will perform a longjmp. */ | |
333b20bb | 9062 | cinfo.err = jpeg_std_error (&mgr.pub); |
14358466 | 9063 | mgr.pub.error_exit = my_error_exit; |
333b20bb GM |
9064 | |
9065 | if ((rc = setjmp (mgr.setjmp_buffer)) != 0) | |
9066 | { | |
5ad6a5fb GM |
9067 | if (rc == 1) |
9068 | { | |
9069 | /* Called from my_error_exit. Display a JPEG error. */ | |
9070 | char buffer[JMSG_LENGTH_MAX]; | |
9071 | cinfo.err->format_message ((j_common_ptr) &cinfo, buffer); | |
45158a91 | 9072 | image_error ("Error reading JPEG image `%s': %s", img->spec, |
5ad6a5fb GM |
9073 | build_string (buffer)); |
9074 | } | |
333b20bb GM |
9075 | |
9076 | /* Close the input file and destroy the JPEG object. */ | |
5ad6a5fb | 9077 | if (fp) |
8ec8a5ec | 9078 | fclose ((FILE *) fp); |
333b20bb GM |
9079 | jpeg_destroy_decompress (&cinfo); |
9080 | ||
5ad6a5fb GM |
9081 | /* If we already have an XImage, free that. */ |
9082 | x_destroy_x_image (ximg); | |
333b20bb | 9083 | |
5ad6a5fb GM |
9084 | /* Free pixmap and colors. */ |
9085 | x_clear_image (f, img); | |
333b20bb | 9086 | |
5ad6a5fb GM |
9087 | UNGCPRO; |
9088 | return 0; | |
333b20bb GM |
9089 | } |
9090 | ||
9091 | /* Create the JPEG decompression object. Let it read from fp. | |
63448a4d | 9092 | Read the JPEG image header. */ |
333b20bb | 9093 | jpeg_create_decompress (&cinfo); |
8e39770a GM |
9094 | |
9095 | if (NILP (specified_data)) | |
8ec8a5ec | 9096 | jpeg_stdio_src (&cinfo, (FILE *) fp); |
8e39770a GM |
9097 | else |
9098 | jpeg_memory_src (&cinfo, XSTRING (specified_data)->data, | |
9099 | STRING_BYTES (XSTRING (specified_data))); | |
63448a4d | 9100 | |
333b20bb GM |
9101 | jpeg_read_header (&cinfo, TRUE); |
9102 | ||
9103 | /* Customize decompression so that color quantization will be used. | |
63448a4d | 9104 | Start decompression. */ |
333b20bb GM |
9105 | cinfo.quantize_colors = TRUE; |
9106 | jpeg_start_decompress (&cinfo); | |
9107 | width = img->width = cinfo.output_width; | |
9108 | height = img->height = cinfo.output_height; | |
9109 | ||
333b20bb | 9110 | /* Create X image and pixmap. */ |
45158a91 | 9111 | if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap)) |
28c7826c | 9112 | longjmp (mgr.setjmp_buffer, 2); |
333b20bb GM |
9113 | |
9114 | /* Allocate colors. When color quantization is used, | |
5ad6a5fb GM |
9115 | cinfo.actual_number_of_colors has been set with the number of |
9116 | colors generated, and cinfo.colormap is a two-dimensional array | |
9117 | of color indices in the range 0..cinfo.actual_number_of_colors. | |
9118 | No more than 255 colors will be generated. */ | |
333b20bb | 9119 | { |
5ad6a5fb GM |
9120 | int i, ir, ig, ib; |
9121 | ||
9122 | if (cinfo.out_color_components > 2) | |
9123 | ir = 0, ig = 1, ib = 2; | |
9124 | else if (cinfo.out_color_components > 1) | |
9125 | ir = 0, ig = 1, ib = 0; | |
9126 | else | |
9127 | ir = 0, ig = 0, ib = 0; | |
9128 | ||
9129 | /* Use the color table mechanism because it handles colors that | |
9130 | cannot be allocated nicely. Such colors will be replaced with | |
9131 | a default color, and we don't have to care about which colors | |
9132 | can be freed safely, and which can't. */ | |
9133 | init_color_table (); | |
9134 | colors = (unsigned long *) alloca (cinfo.actual_number_of_colors | |
9135 | * sizeof *colors); | |
333b20bb | 9136 | |
5ad6a5fb GM |
9137 | for (i = 0; i < cinfo.actual_number_of_colors; ++i) |
9138 | { | |
9139 | /* Multiply RGB values with 255 because X expects RGB values | |
9140 | in the range 0..0xffff. */ | |
9141 | int r = cinfo.colormap[ir][i] << 8; | |
9142 | int g = cinfo.colormap[ig][i] << 8; | |
9143 | int b = cinfo.colormap[ib][i] << 8; | |
9144 | colors[i] = lookup_rgb_color (f, r, g, b); | |
9145 | } | |
333b20bb | 9146 | |
5ad6a5fb GM |
9147 | /* Remember those colors actually allocated. */ |
9148 | img->colors = colors_in_color_table (&img->ncolors); | |
9149 | free_color_table (); | |
333b20bb GM |
9150 | } |
9151 | ||
9152 | /* Read pixels. */ | |
9153 | row_stride = width * cinfo.output_components; | |
9154 | buffer = cinfo.mem->alloc_sarray ((j_common_ptr) &cinfo, JPOOL_IMAGE, | |
5ad6a5fb | 9155 | row_stride, 1); |
333b20bb GM |
9156 | for (y = 0; y < height; ++y) |
9157 | { | |
5ad6a5fb GM |
9158 | jpeg_read_scanlines (&cinfo, buffer, 1); |
9159 | for (x = 0; x < cinfo.output_width; ++x) | |
9160 | XPutPixel (ximg, x, y, colors[buffer[0][x]]); | |
333b20bb GM |
9161 | } |
9162 | ||
9163 | /* Clean up. */ | |
9164 | jpeg_finish_decompress (&cinfo); | |
9165 | jpeg_destroy_decompress (&cinfo); | |
5ad6a5fb | 9166 | if (fp) |
8ec8a5ec | 9167 | fclose ((FILE *) fp); |
333b20bb GM |
9168 | |
9169 | /* Put the image into the pixmap. */ | |
9170 | x_put_x_image (f, ximg, img->pixmap, width, height); | |
9171 | x_destroy_x_image (ximg); | |
333b20bb GM |
9172 | UNGCPRO; |
9173 | return 1; | |
9174 | } | |
9175 | ||
9176 | #endif /* HAVE_JPEG */ | |
9177 | ||
9178 | ||
9179 | \f | |
9180 | /*********************************************************************** | |
9181 | TIFF | |
9182 | ***********************************************************************/ | |
9183 | ||
9184 | #if HAVE_TIFF | |
9185 | ||
cf4790ad | 9186 | #include <tiffio.h> |
333b20bb GM |
9187 | |
9188 | static int tiff_image_p P_ ((Lisp_Object object)); | |
9189 | static int tiff_load P_ ((struct frame *f, struct image *img)); | |
9190 | ||
9191 | /* The symbol `tiff' identifying images of this type. */ | |
9192 | ||
9193 | Lisp_Object Qtiff; | |
9194 | ||
9195 | /* Indices of image specification fields in tiff_format, below. */ | |
9196 | ||
9197 | enum tiff_keyword_index | |
9198 | { | |
9199 | TIFF_TYPE, | |
63448a4d | 9200 | TIFF_DATA, |
333b20bb GM |
9201 | TIFF_FILE, |
9202 | TIFF_ASCENT, | |
9203 | TIFF_MARGIN, | |
9204 | TIFF_RELIEF, | |
9205 | TIFF_ALGORITHM, | |
9206 | TIFF_HEURISTIC_MASK, | |
4a8e312c | 9207 | TIFF_MASK, |
333b20bb GM |
9208 | TIFF_LAST |
9209 | }; | |
9210 | ||
9211 | /* Vector of image_keyword structures describing the format | |
9212 | of valid user-defined image specifications. */ | |
9213 | ||
9214 | static struct image_keyword tiff_format[TIFF_LAST] = | |
9215 | { | |
9216 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
5ad6a5fb | 9217 | {":data", IMAGE_STRING_VALUE, 0}, |
63448a4d | 9218 | {":file", IMAGE_STRING_VALUE, 0}, |
7c7ff7f5 | 9219 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
3ed61e75 | 9220 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
333b20bb | 9221 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
d2dc8167 | 9222 | {":conversions", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
4a8e312c GM |
9223 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
9224 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0} | |
333b20bb GM |
9225 | }; |
9226 | ||
9227 | /* Structure describing the image type `tiff'. */ | |
9228 | ||
9229 | static struct image_type tiff_type = | |
9230 | { | |
9231 | &Qtiff, | |
9232 | tiff_image_p, | |
9233 | tiff_load, | |
9234 | x_clear_image, | |
9235 | NULL | |
9236 | }; | |
9237 | ||
9238 | ||
9239 | /* Return non-zero if OBJECT is a valid TIFF image specification. */ | |
9240 | ||
9241 | static int | |
9242 | tiff_image_p (object) | |
9243 | Lisp_Object object; | |
9244 | { | |
9245 | struct image_keyword fmt[TIFF_LAST]; | |
9246 | bcopy (tiff_format, fmt, sizeof fmt); | |
9247 | ||
7c7ff7f5 | 9248 | if (!parse_image_spec (object, fmt, TIFF_LAST, Qtiff)) |
333b20bb | 9249 | return 0; |
5ad6a5fb | 9250 | |
63cec32f GM |
9251 | /* Must specify either the :data or :file keyword. */ |
9252 | return fmt[TIFF_FILE].count + fmt[TIFF_DATA].count == 1; | |
333b20bb GM |
9253 | } |
9254 | ||
5ad6a5fb GM |
9255 | |
9256 | /* Reading from a memory buffer for TIFF images Based on the PNG | |
9257 | memory source, but we have to provide a lot of extra functions. | |
9258 | Blah. | |
63448a4d WP |
9259 | |
9260 | We really only need to implement read and seek, but I am not | |
9261 | convinced that the TIFF library is smart enough not to destroy | |
9262 | itself if we only hand it the function pointers we need to | |
5ad6a5fb GM |
9263 | override. */ |
9264 | ||
9265 | typedef struct | |
9266 | { | |
63448a4d WP |
9267 | unsigned char *bytes; |
9268 | size_t len; | |
9269 | int index; | |
5ad6a5fb GM |
9270 | } |
9271 | tiff_memory_source; | |
63448a4d | 9272 | |
e3130015 | 9273 | |
5ad6a5fb GM |
9274 | static size_t |
9275 | tiff_read_from_memory (data, buf, size) | |
9276 | thandle_t data; | |
9277 | tdata_t buf; | |
9278 | tsize_t size; | |
63448a4d | 9279 | { |
5ad6a5fb | 9280 | tiff_memory_source *src = (tiff_memory_source *) data; |
63448a4d WP |
9281 | |
9282 | if (size > src->len - src->index) | |
5ad6a5fb GM |
9283 | return (size_t) -1; |
9284 | bcopy (src->bytes + src->index, buf, size); | |
63448a4d WP |
9285 | src->index += size; |
9286 | return size; | |
9287 | } | |
9288 | ||
e3130015 | 9289 | |
5ad6a5fb GM |
9290 | static size_t |
9291 | tiff_write_from_memory (data, buf, size) | |
9292 | thandle_t data; | |
9293 | tdata_t buf; | |
9294 | tsize_t size; | |
63448a4d WP |
9295 | { |
9296 | return (size_t) -1; | |
9297 | } | |
9298 | ||
e3130015 | 9299 | |
5ad6a5fb GM |
9300 | static toff_t |
9301 | tiff_seek_in_memory (data, off, whence) | |
9302 | thandle_t data; | |
9303 | toff_t off; | |
9304 | int whence; | |
63448a4d | 9305 | { |
5ad6a5fb | 9306 | tiff_memory_source *src = (tiff_memory_source *) data; |
63448a4d WP |
9307 | int idx; |
9308 | ||
9309 | switch (whence) | |
5ad6a5fb GM |
9310 | { |
9311 | case SEEK_SET: /* Go from beginning of source. */ | |
9312 | idx = off; | |
9313 | break; | |
9314 | ||
9315 | case SEEK_END: /* Go from end of source. */ | |
9316 | idx = src->len + off; | |
9317 | break; | |
9318 | ||
9319 | case SEEK_CUR: /* Go from current position. */ | |
9320 | idx = src->index + off; | |
9321 | break; | |
9322 | ||
9323 | default: /* Invalid `whence'. */ | |
9324 | return -1; | |
9325 | } | |
9326 | ||
9327 | if (idx > src->len || idx < 0) | |
9328 | return -1; | |
9329 | ||
63448a4d WP |
9330 | src->index = idx; |
9331 | return src->index; | |
9332 | } | |
9333 | ||
e3130015 | 9334 | |
5ad6a5fb GM |
9335 | static int |
9336 | tiff_close_memory (data) | |
9337 | thandle_t data; | |
63448a4d WP |
9338 | { |
9339 | /* NOOP */ | |
5ad6a5fb | 9340 | return 0; |
63448a4d WP |
9341 | } |
9342 | ||
e3130015 | 9343 | |
5ad6a5fb GM |
9344 | static int |
9345 | tiff_mmap_memory (data, pbase, psize) | |
9346 | thandle_t data; | |
9347 | tdata_t *pbase; | |
9348 | toff_t *psize; | |
63448a4d WP |
9349 | { |
9350 | /* It is already _IN_ memory. */ | |
5ad6a5fb | 9351 | return 0; |
63448a4d WP |
9352 | } |
9353 | ||
e3130015 | 9354 | |
5ad6a5fb GM |
9355 | static void |
9356 | tiff_unmap_memory (data, base, size) | |
9357 | thandle_t data; | |
9358 | tdata_t base; | |
9359 | toff_t size; | |
63448a4d WP |
9360 | { |
9361 | /* We don't need to do this. */ | |
63448a4d WP |
9362 | } |
9363 | ||
e3130015 | 9364 | |
5ad6a5fb GM |
9365 | static toff_t |
9366 | tiff_size_of_memory (data) | |
9367 | thandle_t data; | |
63448a4d | 9368 | { |
5ad6a5fb | 9369 | return ((tiff_memory_source *) data)->len; |
63448a4d | 9370 | } |
333b20bb | 9371 | |
e3130015 | 9372 | |
333b20bb GM |
9373 | /* Load TIFF image IMG for use on frame F. Value is non-zero if |
9374 | successful. */ | |
9375 | ||
9376 | static int | |
9377 | tiff_load (f, img) | |
9378 | struct frame *f; | |
9379 | struct image *img; | |
9380 | { | |
9381 | Lisp_Object file, specified_file; | |
63448a4d | 9382 | Lisp_Object specified_data; |
333b20bb GM |
9383 | TIFF *tiff; |
9384 | int width, height, x, y; | |
9385 | uint32 *buf; | |
9386 | int rc; | |
9387 | XImage *ximg; | |
9388 | struct gcpro gcpro1; | |
63448a4d | 9389 | tiff_memory_source memsrc; |
333b20bb GM |
9390 | |
9391 | specified_file = image_spec_value (img->spec, QCfile, NULL); | |
63448a4d | 9392 | specified_data = image_spec_value (img->spec, QCdata, NULL); |
5ad6a5fb GM |
9393 | file = Qnil; |
9394 | GCPRO1 (file); | |
63448a4d WP |
9395 | |
9396 | if (NILP (specified_data)) | |
5ad6a5fb GM |
9397 | { |
9398 | /* Read from a file */ | |
9399 | file = x_find_image_file (specified_file); | |
9400 | if (!STRINGP (file)) | |
63448a4d | 9401 | { |
45158a91 | 9402 | image_error ("Cannot find image file `%s'", file, Qnil); |
5ad6a5fb GM |
9403 | UNGCPRO; |
9404 | return 0; | |
9405 | } | |
63448a4d | 9406 | |
5ad6a5fb GM |
9407 | /* Try to open the image file. */ |
9408 | tiff = TIFFOpen (XSTRING (file)->data, "r"); | |
9409 | if (tiff == NULL) | |
9410 | { | |
9411 | image_error ("Cannot open `%s'", file, Qnil); | |
9412 | UNGCPRO; | |
9413 | return 0; | |
63448a4d | 9414 | } |
5ad6a5fb | 9415 | } |
63448a4d | 9416 | else |
5ad6a5fb GM |
9417 | { |
9418 | /* Memory source! */ | |
9419 | memsrc.bytes = XSTRING (specified_data)->data; | |
9420 | memsrc.len = STRING_BYTES (XSTRING (specified_data)); | |
9421 | memsrc.index = 0; | |
9422 | ||
9423 | tiff = TIFFClientOpen ("memory_source", "r", &memsrc, | |
9424 | (TIFFReadWriteProc) tiff_read_from_memory, | |
9425 | (TIFFReadWriteProc) tiff_write_from_memory, | |
9426 | tiff_seek_in_memory, | |
9427 | tiff_close_memory, | |
9428 | tiff_size_of_memory, | |
9429 | tiff_mmap_memory, | |
9430 | tiff_unmap_memory); | |
9431 | ||
9432 | if (!tiff) | |
63448a4d | 9433 | { |
45158a91 | 9434 | image_error ("Cannot open memory source for `%s'", img->spec, Qnil); |
5ad6a5fb GM |
9435 | UNGCPRO; |
9436 | return 0; | |
63448a4d | 9437 | } |
5ad6a5fb | 9438 | } |
333b20bb GM |
9439 | |
9440 | /* Get width and height of the image, and allocate a raster buffer | |
9441 | of width x height 32-bit values. */ | |
9442 | TIFFGetField (tiff, TIFFTAG_IMAGEWIDTH, &width); | |
9443 | TIFFGetField (tiff, TIFFTAG_IMAGELENGTH, &height); | |
9444 | buf = (uint32 *) xmalloc (width * height * sizeof *buf); | |
9445 | ||
9446 | rc = TIFFReadRGBAImage (tiff, width, height, buf, 0); | |
9447 | TIFFClose (tiff); | |
9448 | if (!rc) | |
9449 | { | |
45158a91 | 9450 | image_error ("Error reading TIFF image `%s'", img->spec, Qnil); |
333b20bb GM |
9451 | xfree (buf); |
9452 | UNGCPRO; | |
9453 | return 0; | |
9454 | } | |
9455 | ||
333b20bb | 9456 | /* Create the X image and pixmap. */ |
45158a91 | 9457 | if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap)) |
333b20bb | 9458 | { |
333b20bb GM |
9459 | xfree (buf); |
9460 | UNGCPRO; | |
9461 | return 0; | |
9462 | } | |
9463 | ||
9464 | /* Initialize the color table. */ | |
9465 | init_color_table (); | |
9466 | ||
9467 | /* Process the pixel raster. Origin is in the lower-left corner. */ | |
9468 | for (y = 0; y < height; ++y) | |
9469 | { | |
9470 | uint32 *row = buf + y * width; | |
9471 | ||
9472 | for (x = 0; x < width; ++x) | |
9473 | { | |
9474 | uint32 abgr = row[x]; | |
9475 | int r = TIFFGetR (abgr) << 8; | |
9476 | int g = TIFFGetG (abgr) << 8; | |
9477 | int b = TIFFGetB (abgr) << 8; | |
9478 | XPutPixel (ximg, x, height - 1 - y, lookup_rgb_color (f, r, g, b)); | |
9479 | } | |
9480 | } | |
9481 | ||
9482 | /* Remember the colors allocated for the image. Free the color table. */ | |
9483 | img->colors = colors_in_color_table (&img->ncolors); | |
9484 | free_color_table (); | |
9485 | ||
9486 | /* Put the image into the pixmap, then free the X image and its buffer. */ | |
9487 | x_put_x_image (f, ximg, img->pixmap, width, height); | |
9488 | x_destroy_x_image (ximg); | |
9489 | xfree (buf); | |
333b20bb GM |
9490 | |
9491 | img->width = width; | |
9492 | img->height = height; | |
9493 | ||
9494 | UNGCPRO; | |
9495 | return 1; | |
9496 | } | |
9497 | ||
9498 | #endif /* HAVE_TIFF != 0 */ | |
9499 | ||
9500 | ||
9501 | \f | |
9502 | /*********************************************************************** | |
9503 | GIF | |
9504 | ***********************************************************************/ | |
9505 | ||
9506 | #if HAVE_GIF | |
9507 | ||
9508 | #include <gif_lib.h> | |
9509 | ||
9510 | static int gif_image_p P_ ((Lisp_Object object)); | |
9511 | static int gif_load P_ ((struct frame *f, struct image *img)); | |
9512 | ||
9513 | /* The symbol `gif' identifying images of this type. */ | |
9514 | ||
9515 | Lisp_Object Qgif; | |
9516 | ||
9517 | /* Indices of image specification fields in gif_format, below. */ | |
9518 | ||
9519 | enum gif_keyword_index | |
9520 | { | |
9521 | GIF_TYPE, | |
63448a4d | 9522 | GIF_DATA, |
333b20bb GM |
9523 | GIF_FILE, |
9524 | GIF_ASCENT, | |
9525 | GIF_MARGIN, | |
9526 | GIF_RELIEF, | |
9527 | GIF_ALGORITHM, | |
9528 | GIF_HEURISTIC_MASK, | |
4a8e312c | 9529 | GIF_MASK, |
333b20bb GM |
9530 | GIF_IMAGE, |
9531 | GIF_LAST | |
9532 | }; | |
9533 | ||
9534 | /* Vector of image_keyword structures describing the format | |
9535 | of valid user-defined image specifications. */ | |
9536 | ||
9537 | static struct image_keyword gif_format[GIF_LAST] = | |
9538 | { | |
9539 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
5ad6a5fb | 9540 | {":data", IMAGE_STRING_VALUE, 0}, |
63448a4d | 9541 | {":file", IMAGE_STRING_VALUE, 0}, |
7c7ff7f5 | 9542 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
3ed61e75 | 9543 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
333b20bb | 9544 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
d2dc8167 | 9545 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
333b20bb | 9546 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
4a8e312c | 9547 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
333b20bb GM |
9548 | {":image", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0} |
9549 | }; | |
9550 | ||
9551 | /* Structure describing the image type `gif'. */ | |
9552 | ||
9553 | static struct image_type gif_type = | |
9554 | { | |
9555 | &Qgif, | |
9556 | gif_image_p, | |
9557 | gif_load, | |
9558 | x_clear_image, | |
9559 | NULL | |
9560 | }; | |
9561 | ||
e3130015 | 9562 | |
333b20bb GM |
9563 | /* Return non-zero if OBJECT is a valid GIF image specification. */ |
9564 | ||
9565 | static int | |
9566 | gif_image_p (object) | |
9567 | Lisp_Object object; | |
9568 | { | |
9569 | struct image_keyword fmt[GIF_LAST]; | |
9570 | bcopy (gif_format, fmt, sizeof fmt); | |
9571 | ||
7c7ff7f5 | 9572 | if (!parse_image_spec (object, fmt, GIF_LAST, Qgif)) |
333b20bb | 9573 | return 0; |
5ad6a5fb | 9574 | |
63cec32f GM |
9575 | /* Must specify either the :data or :file keyword. */ |
9576 | return fmt[GIF_FILE].count + fmt[GIF_DATA].count == 1; | |
333b20bb GM |
9577 | } |
9578 | ||
e3130015 | 9579 | |
63448a4d WP |
9580 | /* Reading a GIF image from memory |
9581 | Based on the PNG memory stuff to a certain extent. */ | |
9582 | ||
5ad6a5fb GM |
9583 | typedef struct |
9584 | { | |
63448a4d WP |
9585 | unsigned char *bytes; |
9586 | size_t len; | |
9587 | int index; | |
5ad6a5fb GM |
9588 | } |
9589 | gif_memory_source; | |
63448a4d | 9590 | |
e3130015 | 9591 | |
f036834a GM |
9592 | /* Make the current memory source available to gif_read_from_memory. |
9593 | It's done this way because not all versions of libungif support | |
9594 | a UserData field in the GifFileType structure. */ | |
9595 | static gif_memory_source *current_gif_memory_src; | |
9596 | ||
5ad6a5fb GM |
9597 | static int |
9598 | gif_read_from_memory (file, buf, len) | |
9599 | GifFileType *file; | |
9600 | GifByteType *buf; | |
9601 | int len; | |
63448a4d | 9602 | { |
f036834a | 9603 | gif_memory_source *src = current_gif_memory_src; |
63448a4d | 9604 | |
5ad6a5fb GM |
9605 | if (len > src->len - src->index) |
9606 | return -1; | |
63448a4d | 9607 | |
5ad6a5fb | 9608 | bcopy (src->bytes + src->index, buf, len); |
63448a4d WP |
9609 | src->index += len; |
9610 | return len; | |
9611 | } | |
333b20bb | 9612 | |
5ad6a5fb | 9613 | |
333b20bb GM |
9614 | /* Load GIF image IMG for use on frame F. Value is non-zero if |
9615 | successful. */ | |
9616 | ||
9617 | static int | |
9618 | gif_load (f, img) | |
9619 | struct frame *f; | |
9620 | struct image *img; | |
9621 | { | |
9622 | Lisp_Object file, specified_file; | |
63448a4d | 9623 | Lisp_Object specified_data; |
333b20bb GM |
9624 | int rc, width, height, x, y, i; |
9625 | XImage *ximg; | |
9626 | ColorMapObject *gif_color_map; | |
9627 | unsigned long pixel_colors[256]; | |
9628 | GifFileType *gif; | |
9629 | struct gcpro gcpro1; | |
9630 | Lisp_Object image; | |
9631 | int ino, image_left, image_top, image_width, image_height; | |
63448a4d | 9632 | gif_memory_source memsrc; |
9b784e96 | 9633 | unsigned char *raster; |
333b20bb GM |
9634 | |
9635 | specified_file = image_spec_value (img->spec, QCfile, NULL); | |
63448a4d | 9636 | specified_data = image_spec_value (img->spec, QCdata, NULL); |
5ad6a5fb GM |
9637 | file = Qnil; |
9638 | GCPRO1 (file); | |
63448a4d WP |
9639 | |
9640 | if (NILP (specified_data)) | |
5ad6a5fb GM |
9641 | { |
9642 | file = x_find_image_file (specified_file); | |
9643 | if (!STRINGP (file)) | |
63448a4d | 9644 | { |
45158a91 | 9645 | image_error ("Cannot find image file `%s'", specified_file, Qnil); |
5ad6a5fb GM |
9646 | UNGCPRO; |
9647 | return 0; | |
9648 | } | |
333b20bb | 9649 | |
5ad6a5fb GM |
9650 | /* Open the GIF file. */ |
9651 | gif = DGifOpenFileName (XSTRING (file)->data); | |
9652 | if (gif == NULL) | |
9653 | { | |
9654 | image_error ("Cannot open `%s'", file, Qnil); | |
9655 | UNGCPRO; | |
9656 | return 0; | |
63448a4d | 9657 | } |
5ad6a5fb | 9658 | } |
63448a4d | 9659 | else |
5ad6a5fb GM |
9660 | { |
9661 | /* Read from memory! */ | |
f036834a | 9662 | current_gif_memory_src = &memsrc; |
5ad6a5fb GM |
9663 | memsrc.bytes = XSTRING (specified_data)->data; |
9664 | memsrc.len = STRING_BYTES (XSTRING (specified_data)); | |
9665 | memsrc.index = 0; | |
63448a4d | 9666 | |
5ad6a5fb GM |
9667 | gif = DGifOpen(&memsrc, gif_read_from_memory); |
9668 | if (!gif) | |
9669 | { | |
45158a91 | 9670 | image_error ("Cannot open memory source `%s'", img->spec, Qnil); |
5ad6a5fb GM |
9671 | UNGCPRO; |
9672 | return 0; | |
63448a4d | 9673 | } |
5ad6a5fb | 9674 | } |
333b20bb GM |
9675 | |
9676 | /* Read entire contents. */ | |
9677 | rc = DGifSlurp (gif); | |
9678 | if (rc == GIF_ERROR) | |
9679 | { | |
45158a91 | 9680 | image_error ("Error reading `%s'", img->spec, Qnil); |
333b20bb GM |
9681 | DGifCloseFile (gif); |
9682 | UNGCPRO; | |
9683 | return 0; | |
9684 | } | |
9685 | ||
3ccff1e3 | 9686 | image = image_spec_value (img->spec, QCindex, NULL); |
333b20bb GM |
9687 | ino = INTEGERP (image) ? XFASTINT (image) : 0; |
9688 | if (ino >= gif->ImageCount) | |
9689 | { | |
45158a91 GM |
9690 | image_error ("Invalid image number `%s' in image `%s'", |
9691 | image, img->spec); | |
333b20bb GM |
9692 | DGifCloseFile (gif); |
9693 | UNGCPRO; | |
9694 | return 0; | |
9695 | } | |
9696 | ||
9697 | width = img->width = gif->SWidth; | |
9698 | height = img->height = gif->SHeight; | |
9699 | ||
333b20bb | 9700 | /* Create the X image and pixmap. */ |
45158a91 | 9701 | if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap)) |
333b20bb | 9702 | { |
333b20bb GM |
9703 | DGifCloseFile (gif); |
9704 | UNGCPRO; | |
9705 | return 0; | |
9706 | } | |
9707 | ||
9708 | /* Allocate colors. */ | |
9709 | gif_color_map = gif->SavedImages[ino].ImageDesc.ColorMap; | |
9710 | if (!gif_color_map) | |
9711 | gif_color_map = gif->SColorMap; | |
9712 | init_color_table (); | |
9713 | bzero (pixel_colors, sizeof pixel_colors); | |
9714 | ||
9715 | for (i = 0; i < gif_color_map->ColorCount; ++i) | |
9716 | { | |
9717 | int r = gif_color_map->Colors[i].Red << 8; | |
9718 | int g = gif_color_map->Colors[i].Green << 8; | |
9719 | int b = gif_color_map->Colors[i].Blue << 8; | |
9720 | pixel_colors[i] = lookup_rgb_color (f, r, g, b); | |
9721 | } | |
9722 | ||
9723 | img->colors = colors_in_color_table (&img->ncolors); | |
9724 | free_color_table (); | |
9725 | ||
9726 | /* Clear the part of the screen image that are not covered by | |
9727 | the image from the GIF file. Full animated GIF support | |
9728 | requires more than can be done here (see the gif89 spec, | |
9729 | disposal methods). Let's simply assume that the part | |
9730 | not covered by a sub-image is in the frame's background color. */ | |
9731 | image_top = gif->SavedImages[ino].ImageDesc.Top; | |
9732 | image_left = gif->SavedImages[ino].ImageDesc.Left; | |
9733 | image_width = gif->SavedImages[ino].ImageDesc.Width; | |
9734 | image_height = gif->SavedImages[ino].ImageDesc.Height; | |
9735 | ||
9736 | for (y = 0; y < image_top; ++y) | |
9737 | for (x = 0; x < width; ++x) | |
9738 | XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); | |
9739 | ||
9740 | for (y = image_top + image_height; y < height; ++y) | |
9741 | for (x = 0; x < width; ++x) | |
9742 | XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); | |
9743 | ||
9744 | for (y = image_top; y < image_top + image_height; ++y) | |
9745 | { | |
9746 | for (x = 0; x < image_left; ++x) | |
9747 | XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); | |
9748 | for (x = image_left + image_width; x < width; ++x) | |
9749 | XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); | |
9750 | } | |
9751 | ||
9b784e96 GM |
9752 | /* Read the GIF image into the X image. We use a local variable |
9753 | `raster' here because RasterBits below is a char *, and invites | |
9754 | problems with bytes >= 0x80. */ | |
9755 | raster = (unsigned char *) gif->SavedImages[ino].RasterBits; | |
9756 | ||
333b20bb GM |
9757 | if (gif->SavedImages[ino].ImageDesc.Interlace) |
9758 | { | |
9759 | static int interlace_start[] = {0, 4, 2, 1}; | |
9760 | static int interlace_increment[] = {8, 8, 4, 2}; | |
9b207e8e | 9761 | int pass; |
06482119 GM |
9762 | int row = interlace_start[0]; |
9763 | ||
9764 | pass = 0; | |
333b20bb | 9765 | |
06482119 | 9766 | for (y = 0; y < image_height; y++) |
333b20bb | 9767 | { |
06482119 GM |
9768 | if (row >= image_height) |
9769 | { | |
9770 | row = interlace_start[++pass]; | |
9771 | while (row >= image_height) | |
9772 | row = interlace_start[++pass]; | |
9773 | } | |
9774 | ||
9775 | for (x = 0; x < image_width; x++) | |
9776 | { | |
9b784e96 | 9777 | int i = raster[(y * image_width) + x]; |
06482119 GM |
9778 | XPutPixel (ximg, x + image_left, row + image_top, |
9779 | pixel_colors[i]); | |
9780 | } | |
9781 | ||
9782 | row += interlace_increment[pass]; | |
333b20bb GM |
9783 | } |
9784 | } | |
9785 | else | |
9786 | { | |
9787 | for (y = 0; y < image_height; ++y) | |
9788 | for (x = 0; x < image_width; ++x) | |
9789 | { | |
9b784e96 | 9790 | int i = raster[y * image_width + x]; |
333b20bb GM |
9791 | XPutPixel (ximg, x + image_left, y + image_top, pixel_colors[i]); |
9792 | } | |
9793 | } | |
9794 | ||
9795 | DGifCloseFile (gif); | |
9796 | ||
9797 | /* Put the image into the pixmap, then free the X image and its buffer. */ | |
9798 | x_put_x_image (f, ximg, img->pixmap, width, height); | |
9799 | x_destroy_x_image (ximg); | |
333b20bb GM |
9800 | |
9801 | UNGCPRO; | |
9802 | return 1; | |
9803 | } | |
9804 | ||
9805 | #endif /* HAVE_GIF != 0 */ | |
9806 | ||
9807 | ||
9808 | \f | |
9809 | /*********************************************************************** | |
9810 | Ghostscript | |
9811 | ***********************************************************************/ | |
9812 | ||
9813 | static int gs_image_p P_ ((Lisp_Object object)); | |
9814 | static int gs_load P_ ((struct frame *f, struct image *img)); | |
9815 | static void gs_clear_image P_ ((struct frame *f, struct image *img)); | |
9816 | ||
fcf431dc | 9817 | /* The symbol `postscript' identifying images of this type. */ |
333b20bb | 9818 | |
fcf431dc | 9819 | Lisp_Object Qpostscript; |
333b20bb GM |
9820 | |
9821 | /* Keyword symbols. */ | |
9822 | ||
9823 | Lisp_Object QCloader, QCbounding_box, QCpt_width, QCpt_height; | |
9824 | ||
9825 | /* Indices of image specification fields in gs_format, below. */ | |
9826 | ||
9827 | enum gs_keyword_index | |
9828 | { | |
9829 | GS_TYPE, | |
9830 | GS_PT_WIDTH, | |
9831 | GS_PT_HEIGHT, | |
9832 | GS_FILE, | |
9833 | GS_LOADER, | |
9834 | GS_BOUNDING_BOX, | |
9835 | GS_ASCENT, | |
9836 | GS_MARGIN, | |
9837 | GS_RELIEF, | |
9838 | GS_ALGORITHM, | |
9839 | GS_HEURISTIC_MASK, | |
4a8e312c | 9840 | GS_MASK, |
333b20bb GM |
9841 | GS_LAST |
9842 | }; | |
9843 | ||
9844 | /* Vector of image_keyword structures describing the format | |
9845 | of valid user-defined image specifications. */ | |
9846 | ||
9847 | static struct image_keyword gs_format[GS_LAST] = | |
9848 | { | |
9849 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
9850 | {":pt-width", IMAGE_POSITIVE_INTEGER_VALUE, 1}, | |
9851 | {":pt-height", IMAGE_POSITIVE_INTEGER_VALUE, 1}, | |
9852 | {":file", IMAGE_STRING_VALUE, 1}, | |
9853 | {":loader", IMAGE_FUNCTION_VALUE, 0}, | |
9854 | {":bounding-box", IMAGE_DONT_CHECK_VALUE_TYPE, 1}, | |
7c7ff7f5 | 9855 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
3ed61e75 | 9856 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, |
333b20bb | 9857 | {":relief", IMAGE_INTEGER_VALUE, 0}, |
d2dc8167 | 9858 | {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
4a8e312c GM |
9859 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
9860 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0} | |
333b20bb GM |
9861 | }; |
9862 | ||
9863 | /* Structure describing the image type `ghostscript'. */ | |
9864 | ||
9865 | static struct image_type gs_type = | |
9866 | { | |
fcf431dc | 9867 | &Qpostscript, |
333b20bb GM |
9868 | gs_image_p, |
9869 | gs_load, | |
9870 | gs_clear_image, | |
9871 | NULL | |
9872 | }; | |
9873 | ||
9874 | ||
9875 | /* Free X resources of Ghostscript image IMG which is used on frame F. */ | |
9876 | ||
9877 | static void | |
9878 | gs_clear_image (f, img) | |
9879 | struct frame *f; | |
9880 | struct image *img; | |
9881 | { | |
9882 | /* IMG->data.ptr_val may contain a recorded colormap. */ | |
9883 | xfree (img->data.ptr_val); | |
9884 | x_clear_image (f, img); | |
9885 | } | |
9886 | ||
9887 | ||
9888 | /* Return non-zero if OBJECT is a valid Ghostscript image | |
9889 | specification. */ | |
9890 | ||
9891 | static int | |
9892 | gs_image_p (object) | |
9893 | Lisp_Object object; | |
9894 | { | |
9895 | struct image_keyword fmt[GS_LAST]; | |
9896 | Lisp_Object tem; | |
9897 | int i; | |
9898 | ||
9899 | bcopy (gs_format, fmt, sizeof fmt); | |
9900 | ||
7c7ff7f5 | 9901 | if (!parse_image_spec (object, fmt, GS_LAST, Qpostscript)) |
333b20bb GM |
9902 | return 0; |
9903 | ||
9904 | /* Bounding box must be a list or vector containing 4 integers. */ | |
9905 | tem = fmt[GS_BOUNDING_BOX].value; | |
9906 | if (CONSP (tem)) | |
9907 | { | |
9908 | for (i = 0; i < 4; ++i, tem = XCDR (tem)) | |
9909 | if (!CONSP (tem) || !INTEGERP (XCAR (tem))) | |
9910 | return 0; | |
9911 | if (!NILP (tem)) | |
9912 | return 0; | |
9913 | } | |
9914 | else if (VECTORP (tem)) | |
9915 | { | |
9916 | if (XVECTOR (tem)->size != 4) | |
9917 | return 0; | |
9918 | for (i = 0; i < 4; ++i) | |
9919 | if (!INTEGERP (XVECTOR (tem)->contents[i])) | |
9920 | return 0; | |
9921 | } | |
9922 | else | |
9923 | return 0; | |
9924 | ||
9925 | return 1; | |
9926 | } | |
9927 | ||
9928 | ||
9929 | /* Load Ghostscript image IMG for use on frame F. Value is non-zero | |
9930 | if successful. */ | |
9931 | ||
9932 | static int | |
9933 | gs_load (f, img) | |
9934 | struct frame *f; | |
9935 | struct image *img; | |
9936 | { | |
9937 | char buffer[100]; | |
9938 | Lisp_Object window_and_pixmap_id = Qnil, loader, pt_height, pt_width; | |
9939 | struct gcpro gcpro1, gcpro2; | |
9940 | Lisp_Object frame; | |
9941 | double in_width, in_height; | |
9942 | Lisp_Object pixel_colors = Qnil; | |
9943 | ||
9944 | /* Compute pixel size of pixmap needed from the given size in the | |
9945 | image specification. Sizes in the specification are in pt. 1 pt | |
9946 | = 1/72 in, xdpi and ydpi are stored in the frame's X display | |
9947 | info. */ | |
9948 | pt_width = image_spec_value (img->spec, QCpt_width, NULL); | |
9949 | in_width = XFASTINT (pt_width) / 72.0; | |
9950 | img->width = in_width * FRAME_X_DISPLAY_INFO (f)->resx; | |
9951 | pt_height = image_spec_value (img->spec, QCpt_height, NULL); | |
9952 | in_height = XFASTINT (pt_height) / 72.0; | |
9953 | img->height = in_height * FRAME_X_DISPLAY_INFO (f)->resy; | |
9954 | ||
9955 | /* Create the pixmap. */ | |
dd00328a | 9956 | xassert (img->pixmap == None); |
333b20bb GM |
9957 | img->pixmap = XCreatePixmap (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
9958 | img->width, img->height, | |
9959 | DefaultDepthOfScreen (FRAME_X_SCREEN (f))); | |
333b20bb GM |
9960 | |
9961 | if (!img->pixmap) | |
9962 | { | |
45158a91 | 9963 | image_error ("Unable to create pixmap for `%s'", img->spec, Qnil); |
333b20bb GM |
9964 | return 0; |
9965 | } | |
9966 | ||
9967 | /* Call the loader to fill the pixmap. It returns a process object | |
9968 | if successful. We do not record_unwind_protect here because | |
9969 | other places in redisplay like calling window scroll functions | |
9970 | don't either. Let the Lisp loader use `unwind-protect' instead. */ | |
9971 | GCPRO2 (window_and_pixmap_id, pixel_colors); | |
9972 | ||
9973 | sprintf (buffer, "%lu %lu", | |
9974 | (unsigned long) FRAME_X_WINDOW (f), | |
9975 | (unsigned long) img->pixmap); | |
9976 | window_and_pixmap_id = build_string (buffer); | |
9977 | ||
9978 | sprintf (buffer, "%lu %lu", | |
9979 | FRAME_FOREGROUND_PIXEL (f), | |
9980 | FRAME_BACKGROUND_PIXEL (f)); | |
9981 | pixel_colors = build_string (buffer); | |
9982 | ||
9983 | XSETFRAME (frame, f); | |
9984 | loader = image_spec_value (img->spec, QCloader, NULL); | |
9985 | if (NILP (loader)) | |
9986 | loader = intern ("gs-load-image"); | |
9987 | ||
9988 | img->data.lisp_val = call6 (loader, frame, img->spec, | |
9989 | make_number (img->width), | |
9990 | make_number (img->height), | |
9991 | window_and_pixmap_id, | |
9992 | pixel_colors); | |
9993 | UNGCPRO; | |
9994 | return PROCESSP (img->data.lisp_val); | |
9995 | } | |
9996 | ||
9997 | ||
9998 | /* Kill the Ghostscript process that was started to fill PIXMAP on | |
9999 | frame F. Called from XTread_socket when receiving an event | |
10000 | telling Emacs that Ghostscript has finished drawing. */ | |
10001 | ||
10002 | void | |
10003 | x_kill_gs_process (pixmap, f) | |
10004 | Pixmap pixmap; | |
10005 | struct frame *f; | |
10006 | { | |
10007 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); | |
10008 | int class, i; | |
10009 | struct image *img; | |
10010 | ||
10011 | /* Find the image containing PIXMAP. */ | |
10012 | for (i = 0; i < c->used; ++i) | |
10013 | if (c->images[i]->pixmap == pixmap) | |
10014 | break; | |
10015 | ||
10016 | /* Kill the GS process. We should have found PIXMAP in the image | |
10017 | cache and its image should contain a process object. */ | |
10018 | xassert (i < c->used); | |
10019 | img = c->images[i]; | |
10020 | xassert (PROCESSP (img->data.lisp_val)); | |
10021 | Fkill_process (img->data.lisp_val, Qnil); | |
10022 | img->data.lisp_val = Qnil; | |
10023 | ||
10024 | /* On displays with a mutable colormap, figure out the colors | |
10025 | allocated for the image by looking at the pixels of an XImage for | |
10026 | img->pixmap. */ | |
383d6ffc | 10027 | class = FRAME_X_VISUAL (f)->class; |
333b20bb GM |
10028 | if (class != StaticColor && class != StaticGray && class != TrueColor) |
10029 | { | |
10030 | XImage *ximg; | |
10031 | ||
10032 | BLOCK_INPUT; | |
10033 | ||
10034 | /* Try to get an XImage for img->pixmep. */ | |
10035 | ximg = XGetImage (FRAME_X_DISPLAY (f), img->pixmap, | |
10036 | 0, 0, img->width, img->height, ~0, ZPixmap); | |
10037 | if (ximg) | |
10038 | { | |
10039 | int x, y; | |
10040 | ||
10041 | /* Initialize the color table. */ | |
10042 | init_color_table (); | |
10043 | ||
10044 | /* For each pixel of the image, look its color up in the | |
10045 | color table. After having done so, the color table will | |
10046 | contain an entry for each color used by the image. */ | |
10047 | for (y = 0; y < img->height; ++y) | |
10048 | for (x = 0; x < img->width; ++x) | |
10049 | { | |
10050 | unsigned long pixel = XGetPixel (ximg, x, y); | |
10051 | lookup_pixel_color (f, pixel); | |
10052 | } | |
10053 | ||
10054 | /* Record colors in the image. Free color table and XImage. */ | |
10055 | img->colors = colors_in_color_table (&img->ncolors); | |
10056 | free_color_table (); | |
10057 | XDestroyImage (ximg); | |
10058 | ||
10059 | #if 0 /* This doesn't seem to be the case. If we free the colors | |
10060 | here, we get a BadAccess later in x_clear_image when | |
10061 | freeing the colors. */ | |
10062 | /* We have allocated colors once, but Ghostscript has also | |
10063 | allocated colors on behalf of us. So, to get the | |
10064 | reference counts right, free them once. */ | |
10065 | if (img->ncolors) | |
462d5d40 | 10066 | x_free_colors (f, img->colors, img->ncolors); |
333b20bb GM |
10067 | #endif |
10068 | } | |
10069 | else | |
10070 | image_error ("Cannot get X image of `%s'; colors will not be freed", | |
45158a91 | 10071 | img->spec, Qnil); |
333b20bb GM |
10072 | |
10073 | UNBLOCK_INPUT; | |
10074 | } | |
10075 | } | |
10076 | ||
10077 | ||
10078 | \f | |
10079 | /*********************************************************************** | |
10080 | Window properties | |
10081 | ***********************************************************************/ | |
10082 | ||
10083 | DEFUN ("x-change-window-property", Fx_change_window_property, | |
10084 | Sx_change_window_property, 2, 3, 0, | |
10085 | "Change window property PROP to VALUE on the X window of FRAME.\n\ | |
10086 | PROP and VALUE must be strings. FRAME nil or omitted means use the\n\ | |
10087 | selected frame. Value is VALUE.") | |
10088 | (prop, value, frame) | |
10089 | Lisp_Object frame, prop, value; | |
10090 | { | |
10091 | struct frame *f = check_x_frame (frame); | |
10092 | Atom prop_atom; | |
10093 | ||
10094 | CHECK_STRING (prop, 1); | |
10095 | CHECK_STRING (value, 2); | |
10096 | ||
10097 | BLOCK_INPUT; | |
10098 | prop_atom = XInternAtom (FRAME_X_DISPLAY (f), XSTRING (prop)->data, False); | |
10099 | XChangeProperty (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
10100 | prop_atom, XA_STRING, 8, PropModeReplace, | |
10101 | XSTRING (value)->data, XSTRING (value)->size); | |
10102 | ||
10103 | /* Make sure the property is set when we return. */ | |
10104 | XFlush (FRAME_X_DISPLAY (f)); | |
10105 | UNBLOCK_INPUT; | |
10106 | ||
10107 | return value; | |
10108 | } | |
10109 | ||
10110 | ||
10111 | DEFUN ("x-delete-window-property", Fx_delete_window_property, | |
10112 | Sx_delete_window_property, 1, 2, 0, | |
10113 | "Remove window property PROP from X window of FRAME.\n\ | |
10114 | FRAME nil or omitted means use the selected frame. Value is PROP.") | |
10115 | (prop, frame) | |
10116 | Lisp_Object prop, frame; | |
10117 | { | |
10118 | struct frame *f = check_x_frame (frame); | |
10119 | Atom prop_atom; | |
10120 | ||
10121 | CHECK_STRING (prop, 1); | |
10122 | BLOCK_INPUT; | |
10123 | prop_atom = XInternAtom (FRAME_X_DISPLAY (f), XSTRING (prop)->data, False); | |
10124 | XDeleteProperty (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), prop_atom); | |
10125 | ||
10126 | /* Make sure the property is removed when we return. */ | |
10127 | XFlush (FRAME_X_DISPLAY (f)); | |
10128 | UNBLOCK_INPUT; | |
10129 | ||
10130 | return prop; | |
10131 | } | |
10132 | ||
10133 | ||
10134 | DEFUN ("x-window-property", Fx_window_property, Sx_window_property, | |
10135 | 1, 2, 0, | |
10136 | "Value is the value of window property PROP on FRAME.\n\ | |
10137 | If FRAME is nil or omitted, use the selected frame. Value is nil\n\ | |
10138 | if FRAME hasn't a property with name PROP or if PROP has no string\n\ | |
10139 | value.") | |
10140 | (prop, frame) | |
10141 | Lisp_Object prop, frame; | |
10142 | { | |
10143 | struct frame *f = check_x_frame (frame); | |
10144 | Atom prop_atom; | |
10145 | int rc; | |
10146 | Lisp_Object prop_value = Qnil; | |
10147 | char *tmp_data = NULL; | |
10148 | Atom actual_type; | |
10149 | int actual_format; | |
10150 | unsigned long actual_size, bytes_remaining; | |
10151 | ||
10152 | CHECK_STRING (prop, 1); | |
10153 | BLOCK_INPUT; | |
10154 | prop_atom = XInternAtom (FRAME_X_DISPLAY (f), XSTRING (prop)->data, False); | |
10155 | rc = XGetWindowProperty (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
10156 | prop_atom, 0, 0, False, XA_STRING, | |
10157 | &actual_type, &actual_format, &actual_size, | |
10158 | &bytes_remaining, (unsigned char **) &tmp_data); | |
10159 | if (rc == Success) | |
10160 | { | |
10161 | int size = bytes_remaining; | |
10162 | ||
10163 | XFree (tmp_data); | |
10164 | tmp_data = NULL; | |
10165 | ||
10166 | rc = XGetWindowProperty (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
10167 | prop_atom, 0, bytes_remaining, | |
10168 | False, XA_STRING, | |
10169 | &actual_type, &actual_format, | |
10170 | &actual_size, &bytes_remaining, | |
10171 | (unsigned char **) &tmp_data); | |
10172 | if (rc == Success) | |
10173 | prop_value = make_string (tmp_data, size); | |
10174 | ||
10175 | XFree (tmp_data); | |
10176 | } | |
10177 | ||
10178 | UNBLOCK_INPUT; | |
10179 | return prop_value; | |
10180 | } | |
10181 | ||
10182 | ||
10183 | \f | |
10184 | /*********************************************************************** | |
10185 | Busy cursor | |
10186 | ***********************************************************************/ | |
10187 | ||
4ae9a85e GM |
10188 | /* If non-null, an asynchronous timer that, when it expires, displays |
10189 | a busy cursor on all frames. */ | |
333b20bb | 10190 | |
4ae9a85e | 10191 | static struct atimer *busy_cursor_atimer; |
333b20bb | 10192 | |
4ae9a85e | 10193 | /* Non-zero means a busy cursor is currently shown. */ |
333b20bb | 10194 | |
4ae9a85e | 10195 | static int busy_cursor_shown_p; |
333b20bb | 10196 | |
4ae9a85e | 10197 | /* Number of seconds to wait before displaying a busy cursor. */ |
333b20bb | 10198 | |
4ae9a85e | 10199 | static Lisp_Object Vbusy_cursor_delay; |
333b20bb | 10200 | |
4ae9a85e GM |
10201 | /* Default number of seconds to wait before displaying a busy |
10202 | cursor. */ | |
10203 | ||
10204 | #define DEFAULT_BUSY_CURSOR_DELAY 1 | |
10205 | ||
10206 | /* Function prototypes. */ | |
10207 | ||
10208 | static void show_busy_cursor P_ ((struct atimer *)); | |
10209 | static void hide_busy_cursor P_ ((void)); | |
10210 | ||
10211 | ||
10212 | /* Cancel a currently active busy-cursor timer, and start a new one. */ | |
10213 | ||
10214 | void | |
10215 | start_busy_cursor () | |
333b20bb | 10216 | { |
4ae9a85e | 10217 | EMACS_TIME delay; |
3caa99d3 | 10218 | int secs, usecs = 0; |
4ae9a85e GM |
10219 | |
10220 | cancel_busy_cursor (); | |
10221 | ||
10222 | if (INTEGERP (Vbusy_cursor_delay) | |
10223 | && XINT (Vbusy_cursor_delay) > 0) | |
10224 | secs = XFASTINT (Vbusy_cursor_delay); | |
3caa99d3 GM |
10225 | else if (FLOATP (Vbusy_cursor_delay) |
10226 | && XFLOAT_DATA (Vbusy_cursor_delay) > 0) | |
10227 | { | |
10228 | Lisp_Object tem; | |
10229 | tem = Ftruncate (Vbusy_cursor_delay, Qnil); | |
10230 | secs = XFASTINT (tem); | |
10231 | usecs = (XFLOAT_DATA (Vbusy_cursor_delay) - secs) * 1000000; | |
10232 | } | |
4ae9a85e GM |
10233 | else |
10234 | secs = DEFAULT_BUSY_CURSOR_DELAY; | |
10235 | ||
3caa99d3 | 10236 | EMACS_SET_SECS_USECS (delay, secs, usecs); |
4ae9a85e GM |
10237 | busy_cursor_atimer = start_atimer (ATIMER_RELATIVE, delay, |
10238 | show_busy_cursor, NULL); | |
10239 | } | |
10240 | ||
10241 | ||
10242 | /* Cancel the busy cursor timer if active, hide a busy cursor if | |
10243 | shown. */ | |
10244 | ||
10245 | void | |
10246 | cancel_busy_cursor () | |
10247 | { | |
10248 | if (busy_cursor_atimer) | |
99f01f62 GM |
10249 | { |
10250 | cancel_atimer (busy_cursor_atimer); | |
10251 | busy_cursor_atimer = NULL; | |
10252 | } | |
10253 | ||
4ae9a85e GM |
10254 | if (busy_cursor_shown_p) |
10255 | hide_busy_cursor (); | |
10256 | } | |
10257 | ||
10258 | ||
10259 | /* Timer function of busy_cursor_atimer. TIMER is equal to | |
10260 | busy_cursor_atimer. | |
10261 | ||
10262 | Display a busy cursor on all frames by mapping the frames' | |
10263 | busy_window. Set the busy_p flag in the frames' output_data.x | |
10264 | structure to indicate that a busy cursor is shown on the | |
10265 | frames. */ | |
10266 | ||
10267 | static void | |
10268 | show_busy_cursor (timer) | |
10269 | struct atimer *timer; | |
10270 | { | |
10271 | /* The timer implementation will cancel this timer automatically | |
10272 | after this function has run. Set busy_cursor_atimer to null | |
10273 | so that we know the timer doesn't have to be canceled. */ | |
10274 | busy_cursor_atimer = NULL; | |
10275 | ||
10276 | if (!busy_cursor_shown_p) | |
333b20bb GM |
10277 | { |
10278 | Lisp_Object rest, frame; | |
4ae9a85e GM |
10279 | |
10280 | BLOCK_INPUT; | |
10281 | ||
333b20bb | 10282 | FOR_EACH_FRAME (rest, frame) |
5f7a1890 GM |
10283 | { |
10284 | struct frame *f = XFRAME (frame); | |
10285 | ||
10286 | if (FRAME_LIVE_P (f) && FRAME_X_P (f) && FRAME_X_DISPLAY (f)) | |
10287 | { | |
10288 | Display *dpy = FRAME_X_DISPLAY (f); | |
10289 | ||
10290 | #ifdef USE_X_TOOLKIT | |
10291 | if (f->output_data.x->widget) | |
10292 | #else | |
10293 | if (FRAME_OUTER_WINDOW (f)) | |
10294 | #endif | |
10295 | { | |
10296 | f->output_data.x->busy_p = 1; | |
4ae9a85e | 10297 | |
5f7a1890 GM |
10298 | if (!f->output_data.x->busy_window) |
10299 | { | |
10300 | unsigned long mask = CWCursor; | |
10301 | XSetWindowAttributes attrs; | |
4ae9a85e | 10302 | |
5f7a1890 | 10303 | attrs.cursor = f->output_data.x->busy_cursor; |
4ae9a85e | 10304 | |
5f7a1890 GM |
10305 | f->output_data.x->busy_window |
10306 | = XCreateWindow (dpy, FRAME_OUTER_WINDOW (f), | |
10307 | 0, 0, 32000, 32000, 0, 0, | |
10308 | InputOnly, | |
10309 | CopyFromParent, | |
10310 | mask, &attrs); | |
10311 | } | |
4ae9a85e | 10312 | |
5f7a1890 GM |
10313 | XMapRaised (dpy, f->output_data.x->busy_window); |
10314 | XFlush (dpy); | |
10315 | } | |
10316 | } | |
10317 | } | |
333b20bb | 10318 | |
4ae9a85e GM |
10319 | busy_cursor_shown_p = 1; |
10320 | UNBLOCK_INPUT; | |
10321 | } | |
333b20bb GM |
10322 | } |
10323 | ||
10324 | ||
4ae9a85e | 10325 | /* Hide the busy cursor on all frames, if it is currently shown. */ |
333b20bb | 10326 | |
4ae9a85e GM |
10327 | static void |
10328 | hide_busy_cursor () | |
10329 | { | |
10330 | if (busy_cursor_shown_p) | |
333b20bb | 10331 | { |
4ae9a85e GM |
10332 | Lisp_Object rest, frame; |
10333 | ||
10334 | BLOCK_INPUT; | |
10335 | FOR_EACH_FRAME (rest, frame) | |
333b20bb | 10336 | { |
4ae9a85e GM |
10337 | struct frame *f = XFRAME (frame); |
10338 | ||
10339 | if (FRAME_X_P (f) | |
10340 | /* Watch out for newly created frames. */ | |
10341 | && f->output_data.x->busy_window) | |
10342 | { | |
10343 | XUnmapWindow (FRAME_X_DISPLAY (f), f->output_data.x->busy_window); | |
10344 | /* Sync here because XTread_socket looks at the busy_p flag | |
10345 | that is reset to zero below. */ | |
10346 | XSync (FRAME_X_DISPLAY (f), False); | |
10347 | f->output_data.x->busy_p = 0; | |
10348 | } | |
333b20bb | 10349 | } |
333b20bb | 10350 | |
4ae9a85e GM |
10351 | busy_cursor_shown_p = 0; |
10352 | UNBLOCK_INPUT; | |
10353 | } | |
333b20bb GM |
10354 | } |
10355 | ||
10356 | ||
10357 | \f | |
10358 | /*********************************************************************** | |
10359 | Tool tips | |
10360 | ***********************************************************************/ | |
10361 | ||
10362 | static Lisp_Object x_create_tip_frame P_ ((struct x_display_info *, | |
10363 | Lisp_Object)); | |
06d62053 GM |
10364 | static void compute_tip_xy P_ ((struct frame *, Lisp_Object, Lisp_Object, |
10365 | Lisp_Object, int *, int *)); | |
333b20bb | 10366 | |
44b5a125 | 10367 | /* The frame of a currently visible tooltip. */ |
333b20bb | 10368 | |
44b5a125 | 10369 | Lisp_Object tip_frame; |
333b20bb GM |
10370 | |
10371 | /* If non-nil, a timer started that hides the last tooltip when it | |
10372 | fires. */ | |
10373 | ||
10374 | Lisp_Object tip_timer; | |
10375 | Window tip_window; | |
10376 | ||
06d62053 GM |
10377 | /* If non-nil, a vector of 3 elements containing the last args |
10378 | with which x-show-tip was called. See there. */ | |
10379 | ||
10380 | Lisp_Object last_show_tip_args; | |
10381 | ||
eaf1eea9 GM |
10382 | |
10383 | static Lisp_Object | |
10384 | unwind_create_tip_frame (frame) | |
10385 | Lisp_Object frame; | |
10386 | { | |
c844a81a GM |
10387 | Lisp_Object deleted; |
10388 | ||
10389 | deleted = unwind_create_frame (frame); | |
10390 | if (EQ (deleted, Qt)) | |
10391 | { | |
10392 | tip_window = None; | |
10393 | tip_frame = Qnil; | |
10394 | } | |
10395 | ||
10396 | return deleted; | |
eaf1eea9 GM |
10397 | } |
10398 | ||
10399 | ||
333b20bb | 10400 | /* Create a frame for a tooltip on the display described by DPYINFO. |
eaf1eea9 GM |
10401 | PARMS is a list of frame parameters. Value is the frame. |
10402 | ||
10403 | Note that functions called here, esp. x_default_parameter can | |
10404 | signal errors, for instance when a specified color name is | |
10405 | undefined. We have to make sure that we're in a consistent state | |
10406 | when this happens. */ | |
333b20bb GM |
10407 | |
10408 | static Lisp_Object | |
10409 | x_create_tip_frame (dpyinfo, parms) | |
10410 | struct x_display_info *dpyinfo; | |
10411 | Lisp_Object parms; | |
10412 | { | |
10413 | struct frame *f; | |
10414 | Lisp_Object frame, tem; | |
10415 | Lisp_Object name; | |
333b20bb GM |
10416 | long window_prompting = 0; |
10417 | int width, height; | |
eaf1eea9 | 10418 | int count = BINDING_STACK_SIZE (); |
b6d7acec | 10419 | struct gcpro gcpro1, gcpro2, gcpro3; |
333b20bb | 10420 | struct kboard *kb; |
06d62053 | 10421 | int face_change_count_before = face_change_count; |
333b20bb GM |
10422 | |
10423 | check_x (); | |
10424 | ||
10425 | /* Use this general default value to start with until we know if | |
10426 | this frame has a specified name. */ | |
10427 | Vx_resource_name = Vinvocation_name; | |
10428 | ||
10429 | #ifdef MULTI_KBOARD | |
10430 | kb = dpyinfo->kboard; | |
10431 | #else | |
10432 | kb = &the_only_kboard; | |
10433 | #endif | |
10434 | ||
10435 | /* Get the name of the frame to use for resource lookup. */ | |
10436 | name = x_get_arg (dpyinfo, parms, Qname, "name", "Name", RES_TYPE_STRING); | |
10437 | if (!STRINGP (name) | |
10438 | && !EQ (name, Qunbound) | |
10439 | && !NILP (name)) | |
10440 | error ("Invalid frame name--not a string or nil"); | |
10441 | Vx_resource_name = name; | |
10442 | ||
10443 | frame = Qnil; | |
10444 | GCPRO3 (parms, name, frame); | |
44b5a125 | 10445 | f = make_frame (1); |
333b20bb GM |
10446 | XSETFRAME (frame, f); |
10447 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 0; | |
8a1a7743 | 10448 | record_unwind_protect (unwind_create_tip_frame, frame); |
333b20bb | 10449 | |
eaf1eea9 GM |
10450 | /* By setting the output method, we're essentially saying that |
10451 | the frame is live, as per FRAME_LIVE_P. If we get a signal | |
10452 | from this point on, x_destroy_window might screw up reference | |
10453 | counts etc. */ | |
333b20bb GM |
10454 | f->output_method = output_x_window; |
10455 | f->output_data.x = (struct x_output *) xmalloc (sizeof (struct x_output)); | |
10456 | bzero (f->output_data.x, sizeof (struct x_output)); | |
10457 | f->output_data.x->icon_bitmap = -1; | |
10458 | f->output_data.x->fontset = -1; | |
61d461a8 GM |
10459 | f->output_data.x->scroll_bar_foreground_pixel = -1; |
10460 | f->output_data.x->scroll_bar_background_pixel = -1; | |
333b20bb GM |
10461 | f->icon_name = Qnil; |
10462 | FRAME_X_DISPLAY_INFO (f) = dpyinfo; | |
f1d2ce7f | 10463 | #if GLYPH_DEBUG |
eaf1eea9 GM |
10464 | image_cache_refcount = FRAME_X_IMAGE_CACHE (f)->refcount; |
10465 | dpyinfo_refcount = dpyinfo->reference_count; | |
10466 | #endif /* GLYPH_DEBUG */ | |
333b20bb GM |
10467 | #ifdef MULTI_KBOARD |
10468 | FRAME_KBOARD (f) = kb; | |
10469 | #endif | |
10470 | f->output_data.x->parent_desc = FRAME_X_DISPLAY_INFO (f)->root_window; | |
10471 | f->output_data.x->explicit_parent = 0; | |
10472 | ||
61d461a8 GM |
10473 | /* These colors will be set anyway later, but it's important |
10474 | to get the color reference counts right, so initialize them! */ | |
10475 | { | |
10476 | Lisp_Object black; | |
10477 | struct gcpro gcpro1; | |
10478 | ||
10479 | black = build_string ("black"); | |
10480 | GCPRO1 (black); | |
10481 | f->output_data.x->foreground_pixel | |
10482 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
10483 | f->output_data.x->background_pixel | |
10484 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
10485 | f->output_data.x->cursor_pixel | |
10486 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
10487 | f->output_data.x->cursor_foreground_pixel | |
10488 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
10489 | f->output_data.x->border_pixel | |
10490 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
10491 | f->output_data.x->mouse_pixel | |
10492 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
10493 | UNGCPRO; | |
10494 | } | |
10495 | ||
333b20bb GM |
10496 | /* Set the name; the functions to which we pass f expect the name to |
10497 | be set. */ | |
10498 | if (EQ (name, Qunbound) || NILP (name)) | |
10499 | { | |
10500 | f->name = build_string (dpyinfo->x_id_name); | |
10501 | f->explicit_name = 0; | |
10502 | } | |
10503 | else | |
10504 | { | |
10505 | f->name = name; | |
10506 | f->explicit_name = 1; | |
10507 | /* use the frame's title when getting resources for this frame. */ | |
10508 | specbind (Qx_resource_name, name); | |
10509 | } | |
10510 | ||
eaf1eea9 GM |
10511 | /* Extract the window parameters from the supplied values that are |
10512 | needed to determine window geometry. */ | |
333b20bb GM |
10513 | { |
10514 | Lisp_Object font; | |
10515 | ||
10516 | font = x_get_arg (dpyinfo, parms, Qfont, "font", "Font", RES_TYPE_STRING); | |
10517 | ||
10518 | BLOCK_INPUT; | |
10519 | /* First, try whatever font the caller has specified. */ | |
10520 | if (STRINGP (font)) | |
10521 | { | |
10522 | tem = Fquery_fontset (font, Qnil); | |
10523 | if (STRINGP (tem)) | |
10524 | font = x_new_fontset (f, XSTRING (tem)->data); | |
10525 | else | |
10526 | font = x_new_font (f, XSTRING (font)->data); | |
10527 | } | |
10528 | ||
10529 | /* Try out a font which we hope has bold and italic variations. */ | |
10530 | if (!STRINGP (font)) | |
10531 | font = x_new_font (f, "-adobe-courier-medium-r-*-*-*-120-*-*-*-*-iso8859-1"); | |
10532 | if (!STRINGP (font)) | |
10533 | font = x_new_font (f, "-misc-fixed-medium-r-normal-*-*-140-*-*-c-*-iso8859-1"); | |
10534 | if (! STRINGP (font)) | |
10535 | font = x_new_font (f, "-*-*-medium-r-normal-*-*-140-*-*-c-*-iso8859-1"); | |
10536 | if (! STRINGP (font)) | |
10537 | /* This was formerly the first thing tried, but it finds too many fonts | |
10538 | and takes too long. */ | |
10539 | font = x_new_font (f, "-*-*-medium-r-*-*-*-*-*-*-c-*-iso8859-1"); | |
10540 | /* If those didn't work, look for something which will at least work. */ | |
10541 | if (! STRINGP (font)) | |
10542 | font = x_new_font (f, "-*-fixed-*-*-*-*-*-140-*-*-c-*-iso8859-1"); | |
10543 | UNBLOCK_INPUT; | |
10544 | if (! STRINGP (font)) | |
10545 | font = build_string ("fixed"); | |
10546 | ||
10547 | x_default_parameter (f, parms, Qfont, font, | |
10548 | "font", "Font", RES_TYPE_STRING); | |
10549 | } | |
10550 | ||
10551 | x_default_parameter (f, parms, Qborder_width, make_number (2), | |
10552 | "borderWidth", "BorderWidth", RES_TYPE_NUMBER); | |
10553 | ||
10554 | /* This defaults to 2 in order to match xterm. We recognize either | |
10555 | internalBorderWidth or internalBorder (which is what xterm calls | |
10556 | it). */ | |
10557 | if (NILP (Fassq (Qinternal_border_width, parms))) | |
10558 | { | |
10559 | Lisp_Object value; | |
10560 | ||
10561 | value = x_get_arg (dpyinfo, parms, Qinternal_border_width, | |
10562 | "internalBorder", "internalBorder", RES_TYPE_NUMBER); | |
10563 | if (! EQ (value, Qunbound)) | |
10564 | parms = Fcons (Fcons (Qinternal_border_width, value), | |
10565 | parms); | |
10566 | } | |
10567 | ||
10568 | x_default_parameter (f, parms, Qinternal_border_width, make_number (1), | |
10569 | "internalBorderWidth", "internalBorderWidth", | |
10570 | RES_TYPE_NUMBER); | |
10571 | ||
10572 | /* Also do the stuff which must be set before the window exists. */ | |
10573 | x_default_parameter (f, parms, Qforeground_color, build_string ("black"), | |
10574 | "foreground", "Foreground", RES_TYPE_STRING); | |
10575 | x_default_parameter (f, parms, Qbackground_color, build_string ("white"), | |
10576 | "background", "Background", RES_TYPE_STRING); | |
10577 | x_default_parameter (f, parms, Qmouse_color, build_string ("black"), | |
10578 | "pointerColor", "Foreground", RES_TYPE_STRING); | |
10579 | x_default_parameter (f, parms, Qcursor_color, build_string ("black"), | |
10580 | "cursorColor", "Foreground", RES_TYPE_STRING); | |
10581 | x_default_parameter (f, parms, Qborder_color, build_string ("black"), | |
10582 | "borderColor", "BorderColor", RES_TYPE_STRING); | |
10583 | ||
10584 | /* Init faces before x_default_parameter is called for scroll-bar | |
10585 | parameters because that function calls x_set_scroll_bar_width, | |
10586 | which calls change_frame_size, which calls Fset_window_buffer, | |
10587 | which runs hooks, which call Fvertical_motion. At the end, we | |
10588 | end up in init_iterator with a null face cache, which should not | |
10589 | happen. */ | |
10590 | init_frame_faces (f); | |
10591 | ||
10592 | f->output_data.x->parent_desc = FRAME_X_DISPLAY_INFO (f)->root_window; | |
10593 | window_prompting = x_figure_window_size (f, parms); | |
10594 | ||
10595 | if (window_prompting & XNegative) | |
10596 | { | |
10597 | if (window_prompting & YNegative) | |
10598 | f->output_data.x->win_gravity = SouthEastGravity; | |
10599 | else | |
10600 | f->output_data.x->win_gravity = NorthEastGravity; | |
10601 | } | |
10602 | else | |
10603 | { | |
10604 | if (window_prompting & YNegative) | |
10605 | f->output_data.x->win_gravity = SouthWestGravity; | |
10606 | else | |
10607 | f->output_data.x->win_gravity = NorthWestGravity; | |
10608 | } | |
10609 | ||
10610 | f->output_data.x->size_hint_flags = window_prompting; | |
10611 | { | |
10612 | XSetWindowAttributes attrs; | |
10613 | unsigned long mask; | |
10614 | ||
10615 | BLOCK_INPUT; | |
c51d2b5e GM |
10616 | mask = CWBackPixel | CWOverrideRedirect | CWEventMask; |
10617 | if (DoesSaveUnders (dpyinfo->screen)) | |
10618 | mask |= CWSaveUnder; | |
10619 | ||
9b2956e2 GM |
10620 | /* Window managers look at the override-redirect flag to determine |
10621 | whether or net to give windows a decoration (Xlib spec, chapter | |
333b20bb GM |
10622 | 3.2.8). */ |
10623 | attrs.override_redirect = True; | |
10624 | attrs.save_under = True; | |
10625 | attrs.background_pixel = FRAME_BACKGROUND_PIXEL (f); | |
10626 | /* Arrange for getting MapNotify and UnmapNotify events. */ | |
10627 | attrs.event_mask = StructureNotifyMask; | |
10628 | tip_window | |
10629 | = FRAME_X_WINDOW (f) | |
10630 | = XCreateWindow (FRAME_X_DISPLAY (f), | |
10631 | FRAME_X_DISPLAY_INFO (f)->root_window, | |
10632 | /* x, y, width, height */ | |
10633 | 0, 0, 1, 1, | |
10634 | /* Border. */ | |
10635 | 1, | |
10636 | CopyFromParent, InputOutput, CopyFromParent, | |
10637 | mask, &attrs); | |
10638 | UNBLOCK_INPUT; | |
10639 | } | |
10640 | ||
10641 | x_make_gc (f); | |
10642 | ||
333b20bb GM |
10643 | x_default_parameter (f, parms, Qauto_raise, Qnil, |
10644 | "autoRaise", "AutoRaiseLower", RES_TYPE_BOOLEAN); | |
10645 | x_default_parameter (f, parms, Qauto_lower, Qnil, | |
10646 | "autoLower", "AutoRaiseLower", RES_TYPE_BOOLEAN); | |
10647 | x_default_parameter (f, parms, Qcursor_type, Qbox, | |
10648 | "cursorType", "CursorType", RES_TYPE_SYMBOL); | |
10649 | ||
10650 | /* Dimensions, especially f->height, must be done via change_frame_size. | |
10651 | Change will not be effected unless different from the current | |
10652 | f->height. */ | |
10653 | width = f->width; | |
10654 | height = f->height; | |
10655 | f->height = 0; | |
10656 | SET_FRAME_WIDTH (f, 0); | |
8938a4fb | 10657 | change_frame_size (f, height, width, 1, 0, 0); |
333b20bb | 10658 | |
035d5114 | 10659 | /* Set up faces after all frame parameters are known. This call |
6801a572 GM |
10660 | also merges in face attributes specified for new frames. |
10661 | ||
10662 | Frame parameters may be changed if .Xdefaults contains | |
10663 | specifications for the default font. For example, if there is an | |
10664 | `Emacs.default.attributeBackground: pink', the `background-color' | |
10665 | attribute of the frame get's set, which let's the internal border | |
10666 | of the tooltip frame appear in pink. Prevent this. */ | |
10667 | { | |
10668 | Lisp_Object bg = Fframe_parameter (frame, Qbackground_color); | |
10669 | ||
10670 | /* Set tip_frame here, so that */ | |
10671 | tip_frame = frame; | |
10672 | call1 (Qface_set_after_frame_default, frame); | |
10673 | ||
10674 | if (!EQ (bg, Fframe_parameter (frame, Qbackground_color))) | |
10675 | Fmodify_frame_parameters (frame, Fcons (Fcons (Qbackground_color, bg), | |
10676 | Qnil)); | |
10677 | } | |
035d5114 | 10678 | |
333b20bb GM |
10679 | f->no_split = 1; |
10680 | ||
10681 | UNGCPRO; | |
10682 | ||
10683 | /* It is now ok to make the frame official even if we get an error | |
10684 | below. And the frame needs to be on Vframe_list or making it | |
10685 | visible won't work. */ | |
10686 | Vframe_list = Fcons (frame, Vframe_list); | |
10687 | ||
10688 | /* Now that the frame is official, it counts as a reference to | |
10689 | its display. */ | |
10690 | FRAME_X_DISPLAY_INFO (f)->reference_count++; | |
10691 | ||
06d62053 GM |
10692 | /* Setting attributes of faces of the tooltip frame from resources |
10693 | and similar will increment face_change_count, which leads to the | |
10694 | clearing of all current matrices. Since this isn't necessary | |
10695 | here, avoid it by resetting face_change_count to the value it | |
10696 | had before we created the tip frame. */ | |
10697 | face_change_count = face_change_count_before; | |
10698 | ||
eaf1eea9 | 10699 | /* Discard the unwind_protect. */ |
333b20bb GM |
10700 | return unbind_to (count, frame); |
10701 | } | |
10702 | ||
10703 | ||
06d62053 GM |
10704 | /* Compute where to display tip frame F. PARMS is the list of frame |
10705 | parameters for F. DX and DY are specified offsets from the current | |
10706 | location of the mouse. Return coordinates relative to the root | |
10707 | window of the display in *ROOT_X, and *ROOT_Y. */ | |
10708 | ||
10709 | static void | |
10710 | compute_tip_xy (f, parms, dx, dy, root_x, root_y) | |
10711 | struct frame *f; | |
10712 | Lisp_Object parms, dx, dy; | |
10713 | int *root_x, *root_y; | |
10714 | { | |
10715 | Lisp_Object left, top; | |
10716 | int win_x, win_y; | |
10717 | Window root, child; | |
10718 | unsigned pmask; | |
10719 | ||
10720 | /* User-specified position? */ | |
10721 | left = Fcdr (Fassq (Qleft, parms)); | |
10722 | top = Fcdr (Fassq (Qtop, parms)); | |
10723 | ||
10724 | /* Move the tooltip window where the mouse pointer is. Resize and | |
10725 | show it. */ | |
10726 | BLOCK_INPUT; | |
10727 | XQueryPointer (FRAME_X_DISPLAY (f), FRAME_X_DISPLAY_INFO (f)->root_window, | |
10728 | &root, &child, root_x, root_y, &win_x, &win_y, &pmask); | |
10729 | UNBLOCK_INPUT; | |
10730 | ||
10731 | *root_x += XINT (dx); | |
10732 | *root_y += XINT (dy); | |
10733 | ||
10734 | if (INTEGERP (left)) | |
10735 | *root_x = XINT (left); | |
10736 | if (INTEGERP (top)) | |
10737 | *root_y = XINT (top); | |
10738 | } | |
10739 | ||
10740 | ||
0634ce98 | 10741 | DEFUN ("x-show-tip", Fx_show_tip, Sx_show_tip, 1, 6, 0, |
e82d09c9 | 10742 | "Show STRING in a \"tooltip\" window on frame FRAME.\n\ |
0634ce98 GM |
10743 | A tooltip window is a small X window displaying a string.\n\ |
10744 | \n\ | |
333b20bb | 10745 | FRAME nil or omitted means use the selected frame.\n\ |
0634ce98 | 10746 | \n\ |
333b20bb GM |
10747 | PARMS is an optional list of frame parameters which can be\n\ |
10748 | used to change the tooltip's appearance.\n\ | |
0634ce98 | 10749 | \n\ |
333b20bb | 10750 | Automatically hide the tooltip after TIMEOUT seconds.\n\ |
0634ce98 GM |
10751 | TIMEOUT nil means use the default timeout of 5 seconds.\n\ |
10752 | \n\ | |
10753 | If the list of frame parameters PARAMS contains a `left' parameters,\n\ | |
10754 | the tooltip is displayed at that x-position. Otherwise it is\n\ | |
10755 | displayed at the mouse position, with offset DX added (default is 5 if\n\ | |
10756 | DX isn't specified). Likewise for the y-position; if a `top' frame\n\ | |
10757 | parameter is specified, it determines the y-position of the tooltip\n\ | |
10758 | window, otherwise it is displayed at the mouse position, with offset\n\ | |
12c67a7f | 10759 | DY added (default is -10).") |
0634ce98 GM |
10760 | (string, frame, parms, timeout, dx, dy) |
10761 | Lisp_Object string, frame, parms, timeout, dx, dy; | |
333b20bb GM |
10762 | { |
10763 | struct frame *f; | |
10764 | struct window *w; | |
0634ce98 | 10765 | Lisp_Object buffer, top, left; |
06d62053 | 10766 | int root_x, root_y; |
333b20bb GM |
10767 | struct buffer *old_buffer; |
10768 | struct text_pos pos; | |
10769 | int i, width, height; | |
393f2d14 | 10770 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4; |
333b20bb | 10771 | int old_windows_or_buffers_changed = windows_or_buffers_changed; |
06d62053 | 10772 | int count = BINDING_STACK_SIZE (); |
333b20bb GM |
10773 | |
10774 | specbind (Qinhibit_redisplay, Qt); | |
10775 | ||
393f2d14 | 10776 | GCPRO4 (string, parms, frame, timeout); |
333b20bb GM |
10777 | |
10778 | CHECK_STRING (string, 0); | |
10779 | f = check_x_frame (frame); | |
10780 | if (NILP (timeout)) | |
10781 | timeout = make_number (5); | |
10782 | else | |
10783 | CHECK_NATNUM (timeout, 2); | |
0634ce98 GM |
10784 | |
10785 | if (NILP (dx)) | |
10786 | dx = make_number (5); | |
10787 | else | |
10788 | CHECK_NUMBER (dx, 5); | |
10789 | ||
10790 | if (NILP (dy)) | |
12c67a7f | 10791 | dy = make_number (-10); |
0634ce98 GM |
10792 | else |
10793 | CHECK_NUMBER (dy, 6); | |
333b20bb | 10794 | |
06d62053 GM |
10795 | if (NILP (last_show_tip_args)) |
10796 | last_show_tip_args = Fmake_vector (make_number (3), Qnil); | |
10797 | ||
10798 | if (!NILP (tip_frame)) | |
10799 | { | |
10800 | Lisp_Object last_string = AREF (last_show_tip_args, 0); | |
10801 | Lisp_Object last_frame = AREF (last_show_tip_args, 1); | |
10802 | Lisp_Object last_parms = AREF (last_show_tip_args, 2); | |
10803 | ||
10804 | if (EQ (frame, last_frame) | |
10805 | && !NILP (Fequal (last_string, string)) | |
10806 | && !NILP (Fequal (last_parms, parms))) | |
10807 | { | |
10808 | struct frame *f = XFRAME (tip_frame); | |
10809 | ||
10810 | /* Only DX and DY have changed. */ | |
10811 | if (!NILP (tip_timer)) | |
ae782866 GM |
10812 | { |
10813 | Lisp_Object timer = tip_timer; | |
10814 | tip_timer = Qnil; | |
10815 | call1 (Qcancel_timer, timer); | |
10816 | } | |
06d62053 GM |
10817 | |
10818 | BLOCK_INPUT; | |
10819 | compute_tip_xy (f, parms, dx, dy, &root_x, &root_y); | |
10820 | XMoveWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
10821 | root_x, root_y - PIXEL_HEIGHT (f)); | |
10822 | UNBLOCK_INPUT; | |
10823 | goto start_timer; | |
10824 | } | |
10825 | } | |
10826 | ||
333b20bb GM |
10827 | /* Hide a previous tip, if any. */ |
10828 | Fx_hide_tip (); | |
10829 | ||
06d62053 GM |
10830 | ASET (last_show_tip_args, 0, string); |
10831 | ASET (last_show_tip_args, 1, frame); | |
10832 | ASET (last_show_tip_args, 2, parms); | |
10833 | ||
333b20bb GM |
10834 | /* Add default values to frame parameters. */ |
10835 | if (NILP (Fassq (Qname, parms))) | |
10836 | parms = Fcons (Fcons (Qname, build_string ("tooltip")), parms); | |
10837 | if (NILP (Fassq (Qinternal_border_width, parms))) | |
10838 | parms = Fcons (Fcons (Qinternal_border_width, make_number (3)), parms); | |
10839 | if (NILP (Fassq (Qborder_width, parms))) | |
10840 | parms = Fcons (Fcons (Qborder_width, make_number (1)), parms); | |
10841 | if (NILP (Fassq (Qborder_color, parms))) | |
10842 | parms = Fcons (Fcons (Qborder_color, build_string ("lightyellow")), parms); | |
10843 | if (NILP (Fassq (Qbackground_color, parms))) | |
10844 | parms = Fcons (Fcons (Qbackground_color, build_string ("lightyellow")), | |
10845 | parms); | |
10846 | ||
10847 | /* Create a frame for the tooltip, and record it in the global | |
10848 | variable tip_frame. */ | |
10849 | frame = x_create_tip_frame (FRAME_X_DISPLAY_INFO (f), parms); | |
44b5a125 | 10850 | f = XFRAME (frame); |
333b20bb GM |
10851 | |
10852 | /* Set up the frame's root window. Currently we use a size of 80 | |
10853 | columns x 40 lines. If someone wants to show a larger tip, he | |
10854 | will loose. I don't think this is a realistic case. */ | |
10855 | w = XWINDOW (FRAME_ROOT_WINDOW (f)); | |
10856 | w->left = w->top = make_number (0); | |
6fc556fd KR |
10857 | w->width = make_number (80); |
10858 | w->height = make_number (40); | |
333b20bb GM |
10859 | adjust_glyphs (f); |
10860 | w->pseudo_window_p = 1; | |
10861 | ||
10862 | /* Display the tooltip text in a temporary buffer. */ | |
10863 | buffer = Fget_buffer_create (build_string (" *tip*")); | |
10864 | Fset_window_buffer (FRAME_ROOT_WINDOW (f), buffer); | |
10865 | old_buffer = current_buffer; | |
10866 | set_buffer_internal_1 (XBUFFER (buffer)); | |
10867 | Ferase_buffer (); | |
6fc556fd | 10868 | Finsert (1, &string); |
333b20bb GM |
10869 | clear_glyph_matrix (w->desired_matrix); |
10870 | clear_glyph_matrix (w->current_matrix); | |
10871 | SET_TEXT_POS (pos, BEGV, BEGV_BYTE); | |
10872 | try_window (FRAME_ROOT_WINDOW (f), pos); | |
10873 | ||
10874 | /* Compute width and height of the tooltip. */ | |
10875 | width = height = 0; | |
10876 | for (i = 0; i < w->desired_matrix->nrows; ++i) | |
10877 | { | |
10878 | struct glyph_row *row = &w->desired_matrix->rows[i]; | |
10879 | struct glyph *last; | |
10880 | int row_width; | |
10881 | ||
10882 | /* Stop at the first empty row at the end. */ | |
10883 | if (!row->enabled_p || !row->displays_text_p) | |
10884 | break; | |
10885 | ||
d7bf0342 GM |
10886 | /* Let the row go over the full width of the frame. */ |
10887 | row->full_width_p = 1; | |
333b20bb | 10888 | |
e3130015 | 10889 | /* There's a glyph at the end of rows that is used to place |
333b20bb GM |
10890 | the cursor there. Don't include the width of this glyph. */ |
10891 | if (row->used[TEXT_AREA]) | |
10892 | { | |
10893 | last = &row->glyphs[TEXT_AREA][row->used[TEXT_AREA] - 1]; | |
10894 | row_width = row->pixel_width - last->pixel_width; | |
10895 | } | |
10896 | else | |
10897 | row_width = row->pixel_width; | |
10898 | ||
10899 | height += row->height; | |
10900 | width = max (width, row_width); | |
10901 | } | |
10902 | ||
10903 | /* Add the frame's internal border to the width and height the X | |
10904 | window should have. */ | |
10905 | height += 2 * FRAME_INTERNAL_BORDER_WIDTH (f); | |
10906 | width += 2 * FRAME_INTERNAL_BORDER_WIDTH (f); | |
10907 | ||
10908 | /* Move the tooltip window where the mouse pointer is. Resize and | |
10909 | show it. */ | |
06d62053 | 10910 | compute_tip_xy (f, parms, dx, dy, &root_x, &root_y); |
0634ce98 | 10911 | |
0634ce98 | 10912 | BLOCK_INPUT; |
333b20bb | 10913 | XMoveResizeWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
0634ce98 | 10914 | root_x, root_y - height, width, height); |
333b20bb GM |
10915 | XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
10916 | UNBLOCK_INPUT; | |
06d62053 | 10917 | |
333b20bb GM |
10918 | /* Draw into the window. */ |
10919 | w->must_be_updated_p = 1; | |
10920 | update_single_window (w, 1); | |
10921 | ||
10922 | /* Restore original current buffer. */ | |
10923 | set_buffer_internal_1 (old_buffer); | |
10924 | windows_or_buffers_changed = old_windows_or_buffers_changed; | |
10925 | ||
06d62053 | 10926 | start_timer: |
333b20bb GM |
10927 | /* Let the tip disappear after timeout seconds. */ |
10928 | tip_timer = call3 (intern ("run-at-time"), timeout, Qnil, | |
10929 | intern ("x-hide-tip")); | |
a744a2ec DL |
10930 | |
10931 | UNGCPRO; | |
333b20bb GM |
10932 | return unbind_to (count, Qnil); |
10933 | } | |
10934 | ||
10935 | ||
10936 | DEFUN ("x-hide-tip", Fx_hide_tip, Sx_hide_tip, 0, 0, 0, | |
e82d09c9 | 10937 | "Hide the current tooltip window, if there is any.\n\ |
333b20bb GM |
10938 | Value is t is tooltip was open, nil otherwise.") |
10939 | () | |
10940 | { | |
44b5a125 | 10941 | int count; |
c0006262 GM |
10942 | Lisp_Object deleted, frame, timer; |
10943 | struct gcpro gcpro1, gcpro2; | |
44b5a125 GM |
10944 | |
10945 | /* Return quickly if nothing to do. */ | |
c0006262 | 10946 | if (NILP (tip_timer) && NILP (tip_frame)) |
44b5a125 | 10947 | return Qnil; |
333b20bb | 10948 | |
c0006262 GM |
10949 | frame = tip_frame; |
10950 | timer = tip_timer; | |
10951 | GCPRO2 (frame, timer); | |
10952 | tip_frame = tip_timer = deleted = Qnil; | |
10953 | ||
44b5a125 | 10954 | count = BINDING_STACK_SIZE (); |
333b20bb | 10955 | specbind (Qinhibit_redisplay, Qt); |
44b5a125 | 10956 | specbind (Qinhibit_quit, Qt); |
333b20bb | 10957 | |
c0006262 | 10958 | if (!NILP (timer)) |
ae782866 | 10959 | call1 (Qcancel_timer, timer); |
333b20bb | 10960 | |
c0006262 | 10961 | if (FRAMEP (frame)) |
333b20bb | 10962 | { |
44b5a125 GM |
10963 | Fdelete_frame (frame, Qnil); |
10964 | deleted = Qt; | |
f6c44811 GM |
10965 | |
10966 | #ifdef USE_LUCID | |
10967 | /* Bloodcurdling hack alert: The Lucid menu bar widget's | |
10968 | redisplay procedure is not called when a tip frame over menu | |
10969 | items is unmapped. Redisplay the menu manually... */ | |
10970 | { | |
10971 | struct frame *f = SELECTED_FRAME (); | |
10972 | Widget w = f->output_data.x->menubar_widget; | |
10973 | extern void xlwmenu_redisplay P_ ((Widget)); | |
10974 | ||
10975 | if (!DoesSaveUnders (FRAME_X_DISPLAY_INFO (f)->screen) | |
10976 | && w != None) | |
10977 | { | |
10978 | BLOCK_INPUT; | |
10979 | xlwmenu_redisplay (w); | |
10980 | UNBLOCK_INPUT; | |
10981 | } | |
10982 | } | |
10983 | #endif /* USE_LUCID */ | |
333b20bb GM |
10984 | } |
10985 | ||
c0006262 | 10986 | UNGCPRO; |
44b5a125 | 10987 | return unbind_to (count, deleted); |
333b20bb GM |
10988 | } |
10989 | ||
10990 | ||
10991 | \f | |
10992 | /*********************************************************************** | |
10993 | File selection dialog | |
10994 | ***********************************************************************/ | |
10995 | ||
10996 | #ifdef USE_MOTIF | |
10997 | ||
10998 | /* Callback for "OK" and "Cancel" on file selection dialog. */ | |
10999 | ||
11000 | static void | |
11001 | file_dialog_cb (widget, client_data, call_data) | |
11002 | Widget widget; | |
11003 | XtPointer call_data, client_data; | |
11004 | { | |
11005 | int *result = (int *) client_data; | |
11006 | XmAnyCallbackStruct *cb = (XmAnyCallbackStruct *) call_data; | |
11007 | *result = cb->reason; | |
11008 | } | |
11009 | ||
11010 | ||
11011 | DEFUN ("x-file-dialog", Fx_file_dialog, Sx_file_dialog, 2, 4, 0, | |
11012 | "Read file name, prompting with PROMPT in directory DIR.\n\ | |
11013 | Use a file selection dialog.\n\ | |
11014 | Select DEFAULT-FILENAME in the dialog's file selection box, if\n\ | |
11015 | specified. Don't let the user enter a file name in the file\n\ | |
11016 | selection dialog's entry field, if MUSTMATCH is non-nil.") | |
11017 | (prompt, dir, default_filename, mustmatch) | |
11018 | Lisp_Object prompt, dir, default_filename, mustmatch; | |
11019 | { | |
11020 | int result; | |
0fe92f72 | 11021 | struct frame *f = SELECTED_FRAME (); |
333b20bb GM |
11022 | Lisp_Object file = Qnil; |
11023 | Widget dialog, text, list, help; | |
11024 | Arg al[10]; | |
11025 | int ac = 0; | |
11026 | extern XtAppContext Xt_app_con; | |
11027 | char *title; | |
11028 | XmString dir_xmstring, pattern_xmstring; | |
11029 | int popup_activated_flag; | |
11030 | int count = specpdl_ptr - specpdl; | |
11031 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5; | |
11032 | ||
11033 | GCPRO5 (prompt, dir, default_filename, mustmatch, file); | |
11034 | CHECK_STRING (prompt, 0); | |
11035 | CHECK_STRING (dir, 1); | |
11036 | ||
11037 | /* Prevent redisplay. */ | |
11038 | specbind (Qinhibit_redisplay, Qt); | |
11039 | ||
11040 | BLOCK_INPUT; | |
11041 | ||
11042 | /* Create the dialog with PROMPT as title, using DIR as initial | |
11043 | directory and using "*" as pattern. */ | |
11044 | dir = Fexpand_file_name (dir, Qnil); | |
11045 | dir_xmstring = XmStringCreateLocalized (XSTRING (dir)->data); | |
11046 | pattern_xmstring = XmStringCreateLocalized ("*"); | |
11047 | ||
11048 | XtSetArg (al[ac], XmNtitle, XSTRING (prompt)->data); ++ac; | |
11049 | XtSetArg (al[ac], XmNdirectory, dir_xmstring); ++ac; | |
11050 | XtSetArg (al[ac], XmNpattern, pattern_xmstring); ++ac; | |
11051 | XtSetArg (al[ac], XmNresizePolicy, XmRESIZE_GROW); ++ac; | |
11052 | XtSetArg (al[ac], XmNdialogStyle, XmDIALOG_APPLICATION_MODAL); ++ac; | |
11053 | dialog = XmCreateFileSelectionDialog (f->output_data.x->widget, | |
11054 | "fsb", al, ac); | |
11055 | XmStringFree (dir_xmstring); | |
11056 | XmStringFree (pattern_xmstring); | |
11057 | ||
11058 | /* Add callbacks for OK and Cancel. */ | |
11059 | XtAddCallback (dialog, XmNokCallback, file_dialog_cb, | |
11060 | (XtPointer) &result); | |
11061 | XtAddCallback (dialog, XmNcancelCallback, file_dialog_cb, | |
11062 | (XtPointer) &result); | |
11063 | ||
11064 | /* Disable the help button since we can't display help. */ | |
11065 | help = XmFileSelectionBoxGetChild (dialog, XmDIALOG_HELP_BUTTON); | |
11066 | XtSetSensitive (help, False); | |
11067 | ||
11068 | /* Mark OK button as default. */ | |
11069 | XtVaSetValues (XmFileSelectionBoxGetChild (dialog, XmDIALOG_OK_BUTTON), | |
11070 | XmNshowAsDefault, True, NULL); | |
11071 | ||
11072 | /* If MUSTMATCH is non-nil, disable the file entry field of the | |
11073 | dialog, so that the user must select a file from the files list | |
11074 | box. We can't remove it because we wouldn't have a way to get at | |
11075 | the result file name, then. */ | |
11076 | text = XmFileSelectionBoxGetChild (dialog, XmDIALOG_TEXT); | |
11077 | if (!NILP (mustmatch)) | |
11078 | { | |
11079 | Widget label; | |
11080 | label = XmFileSelectionBoxGetChild (dialog, XmDIALOG_SELECTION_LABEL); | |
11081 | XtSetSensitive (text, False); | |
11082 | XtSetSensitive (label, False); | |
11083 | } | |
11084 | ||
11085 | /* Manage the dialog, so that list boxes get filled. */ | |
11086 | XtManageChild (dialog); | |
11087 | ||
11088 | /* Select DEFAULT_FILENAME in the files list box. DEFAULT_FILENAME | |
11089 | must include the path for this to work. */ | |
11090 | list = XmFileSelectionBoxGetChild (dialog, XmDIALOG_LIST); | |
11091 | if (STRINGP (default_filename)) | |
11092 | { | |
11093 | XmString default_xmstring; | |
11094 | int item_pos; | |
11095 | ||
11096 | default_xmstring | |
11097 | = XmStringCreateLocalized (XSTRING (default_filename)->data); | |
11098 | ||
11099 | if (!XmListItemExists (list, default_xmstring)) | |
11100 | { | |
11101 | /* Add a new item if DEFAULT_FILENAME is not in the list. */ | |
11102 | XmListAddItem (list, default_xmstring, 0); | |
11103 | item_pos = 0; | |
11104 | } | |
11105 | else | |
11106 | item_pos = XmListItemPos (list, default_xmstring); | |
11107 | XmStringFree (default_xmstring); | |
11108 | ||
11109 | /* Select the item and scroll it into view. */ | |
11110 | XmListSelectPos (list, item_pos, True); | |
11111 | XmListSetPos (list, item_pos); | |
11112 | } | |
11113 | ||
03100098 GM |
11114 | /* Process events until the user presses Cancel or OK. */ |
11115 | result = 0; | |
11116 | while (result == 0 || XtAppPending (Xt_app_con)) | |
11117 | XtAppProcessEvent (Xt_app_con, XtIMAll); | |
11118 | ||
333b20bb GM |
11119 | /* Get the result. */ |
11120 | if (result == XmCR_OK) | |
11121 | { | |
11122 | XmString text; | |
11123 | String data; | |
11124 | ||
d1670063 | 11125 | XtVaGetValues (dialog, XmNtextString, &text, NULL); |
333b20bb GM |
11126 | XmStringGetLtoR (text, XmFONTLIST_DEFAULT_TAG, &data); |
11127 | XmStringFree (text); | |
11128 | file = build_string (data); | |
11129 | XtFree (data); | |
11130 | } | |
11131 | else | |
11132 | file = Qnil; | |
11133 | ||
11134 | /* Clean up. */ | |
11135 | XtUnmanageChild (dialog); | |
11136 | XtDestroyWidget (dialog); | |
11137 | UNBLOCK_INPUT; | |
11138 | UNGCPRO; | |
11139 | ||
11140 | /* Make "Cancel" equivalent to C-g. */ | |
11141 | if (NILP (file)) | |
11142 | Fsignal (Qquit, Qnil); | |
11143 | ||
11144 | return unbind_to (count, file); | |
11145 | } | |
11146 | ||
11147 | #endif /* USE_MOTIF */ | |
11148 | ||
333b20bb GM |
11149 | |
11150 | \f | |
82bab41c GM |
11151 | /*********************************************************************** |
11152 | Keyboard | |
11153 | ***********************************************************************/ | |
11154 | ||
11155 | #ifdef HAVE_XKBGETKEYBOARD | |
11156 | #include <X11/XKBlib.h> | |
11157 | #include <X11/keysym.h> | |
11158 | #endif | |
11159 | ||
11160 | DEFUN ("x-backspace-delete-keys-p", Fx_backspace_delete_keys_p, | |
11161 | Sx_backspace_delete_keys_p, 0, 1, 0, | |
11162 | "Check if both Backspace and Delete keys are on the keyboard of FRAME.\n\ | |
11163 | FRAME nil means use the selected frame.\n\ | |
11164 | Value is t if we know that both keys are present, and are mapped to the\n\ | |
11165 | usual X keysyms.") | |
11166 | (frame) | |
11167 | Lisp_Object frame; | |
11168 | { | |
11169 | #ifdef HAVE_XKBGETKEYBOARD | |
11170 | XkbDescPtr kb; | |
11171 | struct frame *f = check_x_frame (frame); | |
11172 | Display *dpy = FRAME_X_DISPLAY (f); | |
11173 | Lisp_Object have_keys; | |
46f6a258 | 11174 | int major, minor, op, event, error; |
82bab41c GM |
11175 | |
11176 | BLOCK_INPUT; | |
46f6a258 GM |
11177 | |
11178 | /* Check library version in case we're dynamically linked. */ | |
11179 | major = XkbMajorVersion; | |
11180 | minor = XkbMinorVersion; | |
11181 | if (!XkbLibraryVersion (&major, &minor)) | |
c1efd260 GM |
11182 | { |
11183 | UNBLOCK_INPUT; | |
11184 | return Qnil; | |
11185 | } | |
46f6a258 GM |
11186 | |
11187 | /* Check that the server supports XKB. */ | |
11188 | major = XkbMajorVersion; | |
11189 | minor = XkbMinorVersion; | |
11190 | if (!XkbQueryExtension (dpy, &op, &event, &error, &major, &minor)) | |
c1efd260 GM |
11191 | { |
11192 | UNBLOCK_INPUT; | |
11193 | return Qnil; | |
11194 | } | |
46f6a258 GM |
11195 | |
11196 | have_keys = Qnil; | |
c1efd260 | 11197 | kb = XkbGetMap (dpy, XkbAllMapComponentsMask, XkbUseCoreKbd); |
82bab41c GM |
11198 | if (kb) |
11199 | { | |
11200 | int delete_keycode = 0, backspace_keycode = 0, i; | |
c1efd260 GM |
11201 | |
11202 | if (XkbGetNames (dpy, XkbAllNamesMask, kb) == Success) | |
82bab41c | 11203 | { |
c1efd260 GM |
11204 | for (i = kb->min_key_code; |
11205 | (i < kb->max_key_code | |
11206 | && (delete_keycode == 0 || backspace_keycode == 0)); | |
11207 | ++i) | |
11208 | { | |
11209 | /* The XKB symbolic key names can be seen most easily | |
11210 | in the PS file generated by `xkbprint -label name $DISPLAY'. */ | |
11211 | if (bcmp ("DELE", kb->names->keys[i].name, 4) == 0) | |
11212 | delete_keycode = i; | |
11213 | else if (bcmp ("BKSP", kb->names->keys[i].name, 4) == 0) | |
11214 | backspace_keycode = i; | |
11215 | } | |
11216 | ||
11217 | XkbFreeNames (kb, 0, True); | |
82bab41c GM |
11218 | } |
11219 | ||
c1efd260 | 11220 | XkbFreeClientMap (kb, 0, True); |
82bab41c GM |
11221 | |
11222 | if (delete_keycode | |
11223 | && backspace_keycode | |
11224 | && XKeysymToKeycode (dpy, XK_Delete) == delete_keycode | |
11225 | && XKeysymToKeycode (dpy, XK_BackSpace) == backspace_keycode) | |
11226 | have_keys = Qt; | |
11227 | } | |
11228 | UNBLOCK_INPUT; | |
11229 | return have_keys; | |
11230 | #else /* not HAVE_XKBGETKEYBOARD */ | |
11231 | return Qnil; | |
11232 | #endif /* not HAVE_XKBGETKEYBOARD */ | |
11233 | } | |
11234 | ||
11235 | ||
11236 | \f | |
333b20bb GM |
11237 | /*********************************************************************** |
11238 | Initialization | |
11239 | ***********************************************************************/ | |
11240 | ||
11241 | void | |
11242 | syms_of_xfns () | |
11243 | { | |
11244 | /* This is zero if not using X windows. */ | |
11245 | x_in_use = 0; | |
11246 | ||
11247 | /* The section below is built by the lisp expression at the top of the file, | |
11248 | just above where these variables are declared. */ | |
11249 | /*&&& init symbols here &&&*/ | |
11250 | Qauto_raise = intern ("auto-raise"); | |
11251 | staticpro (&Qauto_raise); | |
11252 | Qauto_lower = intern ("auto-lower"); | |
11253 | staticpro (&Qauto_lower); | |
11254 | Qbar = intern ("bar"); | |
dbc4e1c1 | 11255 | staticpro (&Qbar); |
f9942c9e JB |
11256 | Qborder_color = intern ("border-color"); |
11257 | staticpro (&Qborder_color); | |
11258 | Qborder_width = intern ("border-width"); | |
11259 | staticpro (&Qborder_width); | |
dbc4e1c1 JB |
11260 | Qbox = intern ("box"); |
11261 | staticpro (&Qbox); | |
f9942c9e JB |
11262 | Qcursor_color = intern ("cursor-color"); |
11263 | staticpro (&Qcursor_color); | |
dbc4e1c1 JB |
11264 | Qcursor_type = intern ("cursor-type"); |
11265 | staticpro (&Qcursor_type); | |
f9942c9e JB |
11266 | Qgeometry = intern ("geometry"); |
11267 | staticpro (&Qgeometry); | |
f9942c9e JB |
11268 | Qicon_left = intern ("icon-left"); |
11269 | staticpro (&Qicon_left); | |
11270 | Qicon_top = intern ("icon-top"); | |
11271 | staticpro (&Qicon_top); | |
11272 | Qicon_type = intern ("icon-type"); | |
11273 | staticpro (&Qicon_type); | |
80534dd6 KH |
11274 | Qicon_name = intern ("icon-name"); |
11275 | staticpro (&Qicon_name); | |
f9942c9e JB |
11276 | Qinternal_border_width = intern ("internal-border-width"); |
11277 | staticpro (&Qinternal_border_width); | |
11278 | Qleft = intern ("left"); | |
11279 | staticpro (&Qleft); | |
1ab3d87e RS |
11280 | Qright = intern ("right"); |
11281 | staticpro (&Qright); | |
f9942c9e JB |
11282 | Qmouse_color = intern ("mouse-color"); |
11283 | staticpro (&Qmouse_color); | |
baaed68e JB |
11284 | Qnone = intern ("none"); |
11285 | staticpro (&Qnone); | |
f9942c9e JB |
11286 | Qparent_id = intern ("parent-id"); |
11287 | staticpro (&Qparent_id); | |
4701395c KH |
11288 | Qscroll_bar_width = intern ("scroll-bar-width"); |
11289 | staticpro (&Qscroll_bar_width); | |
8af1d7ca JB |
11290 | Qsuppress_icon = intern ("suppress-icon"); |
11291 | staticpro (&Qsuppress_icon); | |
01f1ba30 | 11292 | Qundefined_color = intern ("undefined-color"); |
f9942c9e | 11293 | staticpro (&Qundefined_color); |
a3c87d4e JB |
11294 | Qvertical_scroll_bars = intern ("vertical-scroll-bars"); |
11295 | staticpro (&Qvertical_scroll_bars); | |
49795535 JB |
11296 | Qvisibility = intern ("visibility"); |
11297 | staticpro (&Qvisibility); | |
f9942c9e JB |
11298 | Qwindow_id = intern ("window-id"); |
11299 | staticpro (&Qwindow_id); | |
2cbebefb RS |
11300 | Qouter_window_id = intern ("outer-window-id"); |
11301 | staticpro (&Qouter_window_id); | |
f9942c9e JB |
11302 | Qx_frame_parameter = intern ("x-frame-parameter"); |
11303 | staticpro (&Qx_frame_parameter); | |
9ef48a9d RS |
11304 | Qx_resource_name = intern ("x-resource-name"); |
11305 | staticpro (&Qx_resource_name); | |
4fe1de12 RS |
11306 | Quser_position = intern ("user-position"); |
11307 | staticpro (&Quser_position); | |
11308 | Quser_size = intern ("user-size"); | |
11309 | staticpro (&Quser_size); | |
333b20bb GM |
11310 | Qscroll_bar_foreground = intern ("scroll-bar-foreground"); |
11311 | staticpro (&Qscroll_bar_foreground); | |
11312 | Qscroll_bar_background = intern ("scroll-bar-background"); | |
11313 | staticpro (&Qscroll_bar_background); | |
d62c8769 GM |
11314 | Qscreen_gamma = intern ("screen-gamma"); |
11315 | staticpro (&Qscreen_gamma); | |
563b67aa GM |
11316 | Qline_spacing = intern ("line-spacing"); |
11317 | staticpro (&Qline_spacing); | |
7c7ff7f5 GM |
11318 | Qcenter = intern ("center"); |
11319 | staticpro (&Qcenter); | |
96db09e4 KH |
11320 | Qcompound_text = intern ("compound-text"); |
11321 | staticpro (&Qcompound_text); | |
ae782866 GM |
11322 | Qcancel_timer = intern ("cancel-timer"); |
11323 | staticpro (&Qcancel_timer); | |
f9942c9e JB |
11324 | /* This is the end of symbol initialization. */ |
11325 | ||
58cad5ed KH |
11326 | /* Text property `display' should be nonsticky by default. */ |
11327 | Vtext_property_default_nonsticky | |
11328 | = Fcons (Fcons (Qdisplay, Qt), Vtext_property_default_nonsticky); | |
11329 | ||
11330 | ||
333b20bb GM |
11331 | Qlaplace = intern ("laplace"); |
11332 | staticpro (&Qlaplace); | |
4a8e312c GM |
11333 | Qemboss = intern ("emboss"); |
11334 | staticpro (&Qemboss); | |
11335 | Qedge_detection = intern ("edge-detection"); | |
11336 | staticpro (&Qedge_detection); | |
11337 | Qheuristic = intern ("heuristic"); | |
11338 | staticpro (&Qheuristic); | |
11339 | QCmatrix = intern (":matrix"); | |
11340 | staticpro (&QCmatrix); | |
11341 | QCcolor_adjustment = intern (":color-adjustment"); | |
11342 | staticpro (&QCcolor_adjustment); | |
11343 | QCmask = intern (":mask"); | |
11344 | staticpro (&QCmask); | |
11345 | ||
a367641f RS |
11346 | Qface_set_after_frame_default = intern ("face-set-after-frame-default"); |
11347 | staticpro (&Qface_set_after_frame_default); | |
11348 | ||
01f1ba30 JB |
11349 | Fput (Qundefined_color, Qerror_conditions, |
11350 | Fcons (Qundefined_color, Fcons (Qerror, Qnil))); | |
11351 | Fput (Qundefined_color, Qerror_message, | |
11352 | build_string ("Undefined color")); | |
11353 | ||
f9942c9e JB |
11354 | init_x_parm_symbols (); |
11355 | ||
14819cb3 GM |
11356 | DEFVAR_BOOL ("cross-disabled-images", &cross_disabled_images, |
11357 | "Non-nil means always draw a cross over disabled images.\n\ | |
d2dc8167 | 11358 | Disabled images are those having an `:conversion disabled' property.\n\ |
14819cb3 GM |
11359 | A cross is always drawn on black & white displays."); |
11360 | cross_disabled_images = 0; | |
11361 | ||
f1c7b5a6 RS |
11362 | DEFVAR_LISP ("x-bitmap-file-path", &Vx_bitmap_file_path, |
11363 | "List of directories to search for bitmap files for X."); | |
e241c09b | 11364 | Vx_bitmap_file_path = decode_env_path ((char *) 0, PATH_BITMAPS); |
f1c7b5a6 | 11365 | |
16ae08a9 | 11366 | DEFVAR_LISP ("x-pointer-shape", &Vx_pointer_shape, |
d387c960 | 11367 | "The shape of the pointer when over text.\n\ |
af01ef26 RS |
11368 | Changing the value does not affect existing frames\n\ |
11369 | unless you set the mouse color."); | |
01f1ba30 JB |
11370 | Vx_pointer_shape = Qnil; |
11371 | ||
d387c960 | 11372 | DEFVAR_LISP ("x-resource-name", &Vx_resource_name, |
498e9ac3 | 11373 | "The name Emacs uses to look up X resources.\n\ |
d387c960 JB |
11374 | `x-get-resource' uses this as the first component of the instance name\n\ |
11375 | when requesting resource values.\n\ | |
11376 | Emacs initially sets `x-resource-name' to the name under which Emacs\n\ | |
11377 | was invoked, or to the value specified with the `-name' or `-rn'\n\ | |
498e9ac3 RS |
11378 | switches, if present.\n\ |
11379 | \n\ | |
11380 | It may be useful to bind this variable locally around a call\n\ | |
11381 | to `x-get-resource'. See also the variable `x-resource-class'."); | |
d387c960 | 11382 | Vx_resource_name = Qnil; |
ac63d3d6 | 11383 | |
498e9ac3 RS |
11384 | DEFVAR_LISP ("x-resource-class", &Vx_resource_class, |
11385 | "The class Emacs uses to look up X resources.\n\ | |
11386 | `x-get-resource' uses this as the first component of the instance class\n\ | |
11387 | when requesting resource values.\n\ | |
11388 | Emacs initially sets `x-resource-class' to \"Emacs\".\n\ | |
11389 | \n\ | |
11390 | Setting this variable permanently is not a reasonable thing to do,\n\ | |
11391 | but binding this variable locally around a call to `x-get-resource'\n\ | |
333b20bb | 11392 | is a reasonable practice. See also the variable `x-resource-name'."); |
498e9ac3 RS |
11393 | Vx_resource_class = build_string (EMACS_CLASS); |
11394 | ||
ca0ecbf5 | 11395 | #if 0 /* This doesn't really do anything. */ |
d3b06468 | 11396 | DEFVAR_LISP ("x-nontext-pointer-shape", &Vx_nontext_pointer_shape, |
ca0ecbf5 RS |
11397 | "The shape of the pointer when not over text.\n\ |
11398 | This variable takes effect when you create a new frame\n\ | |
11399 | or when you set the mouse color."); | |
af01ef26 | 11400 | #endif |
01f1ba30 JB |
11401 | Vx_nontext_pointer_shape = Qnil; |
11402 | ||
333b20bb GM |
11403 | DEFVAR_LISP ("x-busy-pointer-shape", &Vx_busy_pointer_shape, |
11404 | "The shape of the pointer when Emacs is busy.\n\ | |
11405 | This variable takes effect when you create a new frame\n\ | |
11406 | or when you set the mouse color."); | |
11407 | Vx_busy_pointer_shape = Qnil; | |
11408 | ||
11409 | DEFVAR_BOOL ("display-busy-cursor", &display_busy_cursor_p, | |
11410 | "Non-zero means Emacs displays a busy cursor on window systems."); | |
11411 | display_busy_cursor_p = 1; | |
11412 | ||
4ae9a85e GM |
11413 | DEFVAR_LISP ("busy-cursor-delay", &Vbusy_cursor_delay, |
11414 | "*Seconds to wait before displaying a busy-cursor.\n\ | |
3caa99d3 | 11415 | Value must be an integer or float."); |
4ae9a85e GM |
11416 | Vbusy_cursor_delay = make_number (DEFAULT_BUSY_CURSOR_DELAY); |
11417 | ||
ca0ecbf5 | 11418 | #if 0 /* This doesn't really do anything. */ |
d3b06468 | 11419 | DEFVAR_LISP ("x-mode-pointer-shape", &Vx_mode_pointer_shape, |
ca0ecbf5 RS |
11420 | "The shape of the pointer when over the mode line.\n\ |
11421 | This variable takes effect when you create a new frame\n\ | |
11422 | or when you set the mouse color."); | |
af01ef26 | 11423 | #endif |
01f1ba30 JB |
11424 | Vx_mode_pointer_shape = Qnil; |
11425 | ||
d3b06468 | 11426 | DEFVAR_LISP ("x-sensitive-text-pointer-shape", |
ca0ecbf5 RS |
11427 | &Vx_sensitive_text_pointer_shape, |
11428 | "The shape of the pointer when over mouse-sensitive text.\n\ | |
11429 | This variable takes effect when you create a new frame\n\ | |
11430 | or when you set the mouse color."); | |
11431 | Vx_sensitive_text_pointer_shape = Qnil; | |
95f80c78 | 11432 | |
8fb4ec9c GM |
11433 | DEFVAR_LISP ("x-window-horizontal-drag-cursor", |
11434 | &Vx_window_horizontal_drag_shape, | |
11435 | "Pointer shape to use for indicating a window can be dragged horizontally.\n\ | |
11436 | This variable takes effect when you create a new frame\n\ | |
11437 | or when you set the mouse color."); | |
11438 | Vx_window_horizontal_drag_shape = Qnil; | |
11439 | ||
01f1ba30 JB |
11440 | DEFVAR_LISP ("x-cursor-fore-pixel", &Vx_cursor_fore_pixel, |
11441 | "A string indicating the foreground color of the cursor box."); | |
11442 | Vx_cursor_fore_pixel = Qnil; | |
11443 | ||
01f1ba30 | 11444 | DEFVAR_LISP ("x-no-window-manager", &Vx_no_window_manager, |
2d38195d RS |
11445 | "Non-nil if no X window manager is in use.\n\ |
11446 | Emacs doesn't try to figure this out; this is always nil\n\ | |
11447 | unless you set it to something else."); | |
11448 | /* We don't have any way to find this out, so set it to nil | |
11449 | and maybe the user would like to set it to t. */ | |
11450 | Vx_no_window_manager = Qnil; | |
1d3dac41 | 11451 | |
942ea06d KH |
11452 | DEFVAR_LISP ("x-pixel-size-width-font-regexp", |
11453 | &Vx_pixel_size_width_font_regexp, | |
11454 | "Regexp matching a font name whose width is the same as `PIXEL_SIZE'.\n\ | |
11455 | \n\ | |
dcc13cda | 11456 | Since Emacs gets width of a font matching with this regexp from\n\ |
942ea06d KH |
11457 | PIXEL_SIZE field of the name, font finding mechanism gets faster for\n\ |
11458 | such a font. This is especially effective for such large fonts as\n\ | |
11459 | Chinese, Japanese, and Korean."); | |
11460 | Vx_pixel_size_width_font_regexp = Qnil; | |
11461 | ||
fcf431dc | 11462 | DEFVAR_LISP ("image-cache-eviction-delay", &Vimage_cache_eviction_delay, |
333b20bb GM |
11463 | "Time after which cached images are removed from the cache.\n\ |
11464 | When an image has not been displayed this many seconds, remove it\n\ | |
11465 | from the image cache. Value must be an integer or nil with nil\n\ | |
11466 | meaning don't clear the cache."); | |
fcf431dc | 11467 | Vimage_cache_eviction_delay = make_number (30 * 60); |
333b20bb | 11468 | |
1d3dac41 | 11469 | #ifdef USE_X_TOOLKIT |
f1d238ef | 11470 | Fprovide (intern ("x-toolkit")); |
1d3dac41 | 11471 | #endif |
5b827abb KH |
11472 | #ifdef USE_MOTIF |
11473 | Fprovide (intern ("motif")); | |
11474 | #endif | |
01f1ba30 | 11475 | |
01f1ba30 | 11476 | defsubr (&Sx_get_resource); |
333b20bb GM |
11477 | |
11478 | /* X window properties. */ | |
11479 | defsubr (&Sx_change_window_property); | |
11480 | defsubr (&Sx_delete_window_property); | |
11481 | defsubr (&Sx_window_property); | |
11482 | ||
2d764c78 | 11483 | defsubr (&Sxw_display_color_p); |
d0c9d219 | 11484 | defsubr (&Sx_display_grayscale_p); |
2d764c78 EZ |
11485 | defsubr (&Sxw_color_defined_p); |
11486 | defsubr (&Sxw_color_values); | |
9d317b2c | 11487 | defsubr (&Sx_server_max_request_size); |
41beb8fc RS |
11488 | defsubr (&Sx_server_vendor); |
11489 | defsubr (&Sx_server_version); | |
11490 | defsubr (&Sx_display_pixel_width); | |
11491 | defsubr (&Sx_display_pixel_height); | |
11492 | defsubr (&Sx_display_mm_width); | |
11493 | defsubr (&Sx_display_mm_height); | |
11494 | defsubr (&Sx_display_screens); | |
11495 | defsubr (&Sx_display_planes); | |
11496 | defsubr (&Sx_display_color_cells); | |
11497 | defsubr (&Sx_display_visual_class); | |
11498 | defsubr (&Sx_display_backing_store); | |
11499 | defsubr (&Sx_display_save_under); | |
8af1d7ca | 11500 | defsubr (&Sx_parse_geometry); |
f676886a | 11501 | defsubr (&Sx_create_frame); |
01f1ba30 | 11502 | defsubr (&Sx_open_connection); |
08a90d6a RS |
11503 | defsubr (&Sx_close_connection); |
11504 | defsubr (&Sx_display_list); | |
01f1ba30 | 11505 | defsubr (&Sx_synchronize); |
3decc1e7 | 11506 | defsubr (&Sx_focus_frame); |
82bab41c GM |
11507 | defsubr (&Sx_backspace_delete_keys_p); |
11508 | ||
942ea06d KH |
11509 | /* Setting callback functions for fontset handler. */ |
11510 | get_font_info_func = x_get_font_info; | |
333b20bb GM |
11511 | |
11512 | #if 0 /* This function pointer doesn't seem to be used anywhere. | |
11513 | And the pointer assigned has the wrong type, anyway. */ | |
942ea06d | 11514 | list_fonts_func = x_list_fonts; |
333b20bb GM |
11515 | #endif |
11516 | ||
942ea06d | 11517 | load_font_func = x_load_font; |
bc1958c4 | 11518 | find_ccl_program_func = x_find_ccl_program; |
942ea06d KH |
11519 | query_font_func = x_query_font; |
11520 | set_frame_fontset_func = x_set_font; | |
11521 | check_window_system_func = check_x; | |
333b20bb GM |
11522 | |
11523 | /* Images. */ | |
11524 | Qxbm = intern ("xbm"); | |
11525 | staticpro (&Qxbm); | |
11526 | QCtype = intern (":type"); | |
11527 | staticpro (&QCtype); | |
d2dc8167 GM |
11528 | QCconversion = intern (":conversion"); |
11529 | staticpro (&QCconversion); | |
333b20bb GM |
11530 | QCheuristic_mask = intern (":heuristic-mask"); |
11531 | staticpro (&QCheuristic_mask); | |
11532 | QCcolor_symbols = intern (":color-symbols"); | |
11533 | staticpro (&QCcolor_symbols); | |
333b20bb GM |
11534 | QCascent = intern (":ascent"); |
11535 | staticpro (&QCascent); | |
11536 | QCmargin = intern (":margin"); | |
11537 | staticpro (&QCmargin); | |
11538 | QCrelief = intern (":relief"); | |
11539 | staticpro (&QCrelief); | |
fcf431dc GM |
11540 | Qpostscript = intern ("postscript"); |
11541 | staticpro (&Qpostscript); | |
333b20bb GM |
11542 | QCloader = intern (":loader"); |
11543 | staticpro (&QCloader); | |
11544 | QCbounding_box = intern (":bounding-box"); | |
11545 | staticpro (&QCbounding_box); | |
11546 | QCpt_width = intern (":pt-width"); | |
11547 | staticpro (&QCpt_width); | |
11548 | QCpt_height = intern (":pt-height"); | |
11549 | staticpro (&QCpt_height); | |
3ccff1e3 GM |
11550 | QCindex = intern (":index"); |
11551 | staticpro (&QCindex); | |
333b20bb GM |
11552 | Qpbm = intern ("pbm"); |
11553 | staticpro (&Qpbm); | |
11554 | ||
11555 | #if HAVE_XPM | |
11556 | Qxpm = intern ("xpm"); | |
11557 | staticpro (&Qxpm); | |
11558 | #endif | |
11559 | ||
11560 | #if HAVE_JPEG | |
11561 | Qjpeg = intern ("jpeg"); | |
11562 | staticpro (&Qjpeg); | |
11563 | #endif | |
11564 | ||
11565 | #if HAVE_TIFF | |
11566 | Qtiff = intern ("tiff"); | |
11567 | staticpro (&Qtiff); | |
11568 | #endif | |
11569 | ||
11570 | #if HAVE_GIF | |
11571 | Qgif = intern ("gif"); | |
11572 | staticpro (&Qgif); | |
11573 | #endif | |
11574 | ||
11575 | #if HAVE_PNG | |
11576 | Qpng = intern ("png"); | |
11577 | staticpro (&Qpng); | |
11578 | #endif | |
11579 | ||
11580 | defsubr (&Sclear_image_cache); | |
42677916 | 11581 | defsubr (&Simage_size); |
b243755a | 11582 | defsubr (&Simage_mask_p); |
333b20bb | 11583 | |
4ae9a85e GM |
11584 | busy_cursor_atimer = NULL; |
11585 | busy_cursor_shown_p = 0; | |
333b20bb GM |
11586 | |
11587 | defsubr (&Sx_show_tip); | |
11588 | defsubr (&Sx_hide_tip); | |
333b20bb | 11589 | tip_timer = Qnil; |
44b5a125 GM |
11590 | staticpro (&tip_timer); |
11591 | tip_frame = Qnil; | |
11592 | staticpro (&tip_frame); | |
333b20bb | 11593 | |
06d62053 GM |
11594 | last_show_tip_args = Qnil; |
11595 | staticpro (&last_show_tip_args); | |
11596 | ||
333b20bb GM |
11597 | #ifdef USE_MOTIF |
11598 | defsubr (&Sx_file_dialog); | |
11599 | #endif | |
11600 | } | |
11601 | ||
11602 | ||
11603 | void | |
11604 | init_xfns () | |
11605 | { | |
11606 | image_types = NULL; | |
11607 | Vimage_types = Qnil; | |
11608 | ||
11609 | define_image_type (&xbm_type); | |
11610 | define_image_type (&gs_type); | |
11611 | define_image_type (&pbm_type); | |
11612 | ||
11613 | #if HAVE_XPM | |
11614 | define_image_type (&xpm_type); | |
11615 | #endif | |
11616 | ||
11617 | #if HAVE_JPEG | |
11618 | define_image_type (&jpeg_type); | |
11619 | #endif | |
11620 | ||
11621 | #if HAVE_TIFF | |
11622 | define_image_type (&tiff_type); | |
11623 | #endif | |
11624 | ||
11625 | #if HAVE_GIF | |
11626 | define_image_type (&gif_type); | |
11627 | #endif | |
11628 | ||
11629 | #if HAVE_PNG | |
11630 | define_image_type (&png_type); | |
11631 | #endif | |
01f1ba30 JB |
11632 | } |
11633 | ||
11634 | #endif /* HAVE_X_WINDOWS */ |