Commit | Line | Data |
---|---|---|
01f1ba30 | 1 | /* Functions for the X window system. |
42677916 | 2 | Copyright (C) 1989, 92, 93, 94, 95, 96, 1997, 1998, 1999, 2000 |
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 | /* Evaluate this expression to rebuild the section of syms_of_xfns |
178 | that initializes and staticpros the symbols declared below. Note | |
179 | that Emacs 18 has a bug that keeps C-x C-e from being able to | |
180 | evaluate this expression. | |
181 | ||
182 | (progn | |
183 | ;; Accumulate a list of the symbols we want to initialize from the | |
184 | ;; declarations at the top of the file. | |
185 | (goto-char (point-min)) | |
186 | (search-forward "/\*&&& symbols declared here &&&*\/\n") | |
187 | (let (symbol-list) | |
188 | (while (looking-at "Lisp_Object \\(Q[a-z_]+\\)") | |
189 | (setq symbol-list | |
190 | (cons (buffer-substring (match-beginning 1) (match-end 1)) | |
191 | symbol-list)) | |
192 | (forward-line 1)) | |
193 | (setq symbol-list (nreverse symbol-list)) | |
194 | ;; Delete the section of syms_of_... where we initialize the symbols. | |
195 | (search-forward "\n /\*&&& init symbols here &&&*\/\n") | |
196 | (let ((start (point))) | |
197 | (while (looking-at "^ Q") | |
198 | (forward-line 2)) | |
199 | (kill-region start (point))) | |
200 | ;; Write a new symbol initialization section. | |
201 | (while symbol-list | |
202 | (insert (format " %s = intern (\"" (car symbol-list))) | |
203 | (let ((start (point))) | |
204 | (insert (substring (car symbol-list) 1)) | |
205 | (subst-char-in-region start (point) ?_ ?-)) | |
206 | (insert (format "\");\n staticpro (&%s);\n" (car symbol-list))) | |
207 | (setq symbol-list (cdr symbol-list))))) | |
208 | ||
209 | */ | |
210 | ||
211 | /*&&& symbols declared here &&&*/ | |
212 | Lisp_Object Qauto_raise; | |
213 | Lisp_Object Qauto_lower; | |
dbc4e1c1 | 214 | Lisp_Object Qbar; |
f9942c9e JB |
215 | Lisp_Object Qborder_color; |
216 | Lisp_Object Qborder_width; | |
dbc4e1c1 | 217 | Lisp_Object Qbox; |
f9942c9e | 218 | Lisp_Object Qcursor_color; |
dbc4e1c1 | 219 | Lisp_Object Qcursor_type; |
f9942c9e | 220 | Lisp_Object Qgeometry; |
f9942c9e JB |
221 | Lisp_Object Qicon_left; |
222 | Lisp_Object Qicon_top; | |
223 | Lisp_Object Qicon_type; | |
80534dd6 | 224 | Lisp_Object Qicon_name; |
f9942c9e JB |
225 | Lisp_Object Qinternal_border_width; |
226 | Lisp_Object Qleft; | |
1ab3d87e | 227 | Lisp_Object Qright; |
f9942c9e | 228 | Lisp_Object Qmouse_color; |
baaed68e | 229 | Lisp_Object Qnone; |
2cbebefb | 230 | Lisp_Object Qouter_window_id; |
f9942c9e | 231 | Lisp_Object Qparent_id; |
4701395c | 232 | Lisp_Object Qscroll_bar_width; |
8af1d7ca | 233 | Lisp_Object Qsuppress_icon; |
333b20bb | 234 | extern Lisp_Object Qtop; |
01f1ba30 | 235 | Lisp_Object Qundefined_color; |
a3c87d4e | 236 | Lisp_Object Qvertical_scroll_bars; |
49795535 | 237 | Lisp_Object Qvisibility; |
f9942c9e | 238 | Lisp_Object Qwindow_id; |
f676886a | 239 | Lisp_Object Qx_frame_parameter; |
9ef48a9d | 240 | Lisp_Object Qx_resource_name; |
4fe1de12 RS |
241 | Lisp_Object Quser_position; |
242 | Lisp_Object Quser_size; | |
0cafb359 | 243 | extern Lisp_Object Qdisplay; |
333b20bb | 244 | Lisp_Object Qscroll_bar_foreground, Qscroll_bar_background; |
7c7ff7f5 | 245 | Lisp_Object Qscreen_gamma, Qline_spacing, Qcenter; |
96db09e4 | 246 | Lisp_Object Qcompound_text; |
01f1ba30 | 247 | |
b9dc4443 | 248 | /* The below are defined in frame.c. */ |
333b20bb | 249 | |
baaed68e | 250 | extern Lisp_Object Qheight, Qminibuffer, Qname, Qonly, Qwidth; |
c2304e02 | 251 | extern Lisp_Object Qunsplittable, Qmenu_bar_lines, Qbuffer_predicate, Qtitle; |
9ea173e8 | 252 | extern Lisp_Object Qtool_bar_lines; |
f9942c9e | 253 | |
01f1ba30 JB |
254 | extern Lisp_Object Vwindow_system_version; |
255 | ||
a367641f | 256 | Lisp_Object Qface_set_after_frame_default; |
333b20bb | 257 | |
f1d2ce7f | 258 | #if GLYPH_DEBUG |
eaf1eea9 GM |
259 | int image_cache_refcount, dpyinfo_refcount; |
260 | #endif | |
261 | ||
262 | ||
01f1ba30 | 263 | \f |
11ae94fe | 264 | /* Error if we are not connected to X. */ |
333b20bb | 265 | |
7fc9de26 | 266 | void |
11ae94fe RS |
267 | check_x () |
268 | { | |
b9dc4443 | 269 | if (! x_in_use) |
11ae94fe RS |
270 | error ("X windows are not in use or not initialized"); |
271 | } | |
272 | ||
1c59f5df RS |
273 | /* Nonzero if we can use mouse menus. |
274 | You should not call this unless HAVE_MENUS is defined. */ | |
75cc8ee5 RS |
275 | |
276 | int | |
1c59f5df | 277 | have_menus_p () |
75cc8ee5 | 278 | { |
b9dc4443 RS |
279 | return x_in_use; |
280 | } | |
281 | ||
282 | /* Extract a frame as a FRAME_PTR, defaulting to the selected frame | |
283 | and checking validity for X. */ | |
284 | ||
285 | FRAME_PTR | |
286 | check_x_frame (frame) | |
287 | Lisp_Object frame; | |
288 | { | |
289 | FRAME_PTR f; | |
290 | ||
291 | if (NILP (frame)) | |
0fe92f72 GM |
292 | frame = selected_frame; |
293 | CHECK_LIVE_FRAME (frame, 0); | |
294 | f = XFRAME (frame); | |
b9dc4443 | 295 | if (! FRAME_X_P (f)) |
1c59f5df | 296 | error ("Non-X frame used"); |
b9dc4443 | 297 | return f; |
75cc8ee5 RS |
298 | } |
299 | ||
b9dc4443 RS |
300 | /* Let the user specify an X display with a frame. |
301 | nil stands for the selected frame--or, if that is not an X frame, | |
302 | the first X display on the list. */ | |
303 | ||
304 | static struct x_display_info * | |
305 | check_x_display_info (frame) | |
306 | Lisp_Object frame; | |
307 | { | |
8ec8a5ec GM |
308 | struct x_display_info *dpyinfo = NULL; |
309 | ||
b9dc4443 RS |
310 | if (NILP (frame)) |
311 | { | |
0fe92f72 GM |
312 | struct frame *sf = XFRAME (selected_frame); |
313 | ||
314 | if (FRAME_X_P (sf) && FRAME_LIVE_P (sf)) | |
8ec8a5ec | 315 | dpyinfo = FRAME_X_DISPLAY_INFO (sf); |
b9dc4443 | 316 | else if (x_display_list != 0) |
8ec8a5ec | 317 | dpyinfo = x_display_list; |
b9dc4443 RS |
318 | else |
319 | error ("X windows are not in use or not initialized"); | |
320 | } | |
321 | else if (STRINGP (frame)) | |
8ec8a5ec | 322 | dpyinfo = x_display_info_for_name (frame); |
b9dc4443 RS |
323 | else |
324 | { | |
325 | FRAME_PTR f; | |
326 | ||
327 | CHECK_LIVE_FRAME (frame, 0); | |
328 | f = XFRAME (frame); | |
329 | if (! FRAME_X_P (f)) | |
1c59f5df | 330 | error ("Non-X frame used"); |
8ec8a5ec | 331 | dpyinfo = FRAME_X_DISPLAY_INFO (f); |
b9dc4443 | 332 | } |
8ec8a5ec GM |
333 | |
334 | return dpyinfo; | |
b9dc4443 | 335 | } |
333b20bb | 336 | |
b9dc4443 | 337 | \f |
f676886a JB |
338 | /* Return the Emacs frame-object corresponding to an X window. |
339 | It could be the frame's main window or an icon window. */ | |
01f1ba30 | 340 | |
34ca5317 | 341 | /* This function can be called during GC, so use GC_xxx type test macros. */ |
bcb2db92 | 342 | |
f676886a | 343 | struct frame * |
2d271e2e KH |
344 | x_window_to_frame (dpyinfo, wdesc) |
345 | struct x_display_info *dpyinfo; | |
01f1ba30 JB |
346 | int wdesc; |
347 | { | |
f676886a JB |
348 | Lisp_Object tail, frame; |
349 | struct frame *f; | |
01f1ba30 | 350 | |
8e713be6 | 351 | for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail)) |
01f1ba30 | 352 | { |
8e713be6 | 353 | frame = XCAR (tail); |
34ca5317 | 354 | if (!GC_FRAMEP (frame)) |
01f1ba30 | 355 | continue; |
f676886a | 356 | f = XFRAME (frame); |
2d764c78 | 357 | if (!FRAME_X_P (f) || FRAME_X_DISPLAY_INFO (f) != dpyinfo) |
2d271e2e | 358 | continue; |
17cbbf95 GM |
359 | if (f->output_data.x->busy_window == wdesc) |
360 | return f; | |
9ef48a9d | 361 | #ifdef USE_X_TOOLKIT |
7556890b RS |
362 | if ((f->output_data.x->edit_widget |
363 | && XtWindow (f->output_data.x->edit_widget) == wdesc) | |
333b20bb GM |
364 | /* A tooltip frame? */ |
365 | || (!f->output_data.x->edit_widget | |
366 | && FRAME_X_WINDOW (f) == wdesc) | |
7556890b | 367 | || f->output_data.x->icon_desc == wdesc) |
9ef48a9d RS |
368 | return f; |
369 | #else /* not USE_X_TOOLKIT */ | |
fe24a618 | 370 | if (FRAME_X_WINDOW (f) == wdesc |
7556890b | 371 | || f->output_data.x->icon_desc == wdesc) |
f676886a | 372 | return f; |
9ef48a9d RS |
373 | #endif /* not USE_X_TOOLKIT */ |
374 | } | |
375 | return 0; | |
376 | } | |
377 | ||
378 | #ifdef USE_X_TOOLKIT | |
379 | /* Like x_window_to_frame but also compares the window with the widget's | |
380 | windows. */ | |
381 | ||
382 | struct frame * | |
2d271e2e KH |
383 | x_any_window_to_frame (dpyinfo, wdesc) |
384 | struct x_display_info *dpyinfo; | |
9ef48a9d RS |
385 | int wdesc; |
386 | { | |
387 | Lisp_Object tail, frame; | |
17cbbf95 | 388 | struct frame *f, *found; |
7556890b | 389 | struct x_output *x; |
9ef48a9d | 390 | |
17cbbf95 GM |
391 | found = NULL; |
392 | for (tail = Vframe_list; GC_CONSP (tail) && !found; tail = XCDR (tail)) | |
9ef48a9d | 393 | { |
8e713be6 | 394 | frame = XCAR (tail); |
34ca5317 | 395 | if (!GC_FRAMEP (frame)) |
9ef48a9d | 396 | continue; |
17cbbf95 | 397 | |
9ef48a9d | 398 | f = XFRAME (frame); |
17cbbf95 | 399 | if (FRAME_X_P (f) && FRAME_X_DISPLAY_INFO (f) == dpyinfo) |
333b20bb | 400 | { |
17cbbf95 GM |
401 | /* This frame matches if the window is any of its widgets. */ |
402 | x = f->output_data.x; | |
403 | if (x->busy_window == wdesc) | |
404 | found = f; | |
405 | else if (x->widget) | |
406 | { | |
407 | if (wdesc == XtWindow (x->widget) | |
408 | || wdesc == XtWindow (x->column_widget) | |
409 | || wdesc == XtWindow (x->edit_widget)) | |
410 | found = f; | |
411 | /* Match if the window is this frame's menubar. */ | |
412 | else if (lw_window_is_in_menubar (wdesc, x->menubar_widget)) | |
413 | found = f; | |
414 | } | |
415 | else if (FRAME_X_WINDOW (f) == wdesc) | |
416 | /* A tooltip frame. */ | |
417 | found = f; | |
333b20bb | 418 | } |
01f1ba30 | 419 | } |
17cbbf95 GM |
420 | |
421 | return found; | |
01f1ba30 | 422 | } |
5e65b9ab | 423 | |
5fbc3f3a KH |
424 | /* Likewise, but exclude the menu bar widget. */ |
425 | ||
426 | struct frame * | |
427 | x_non_menubar_window_to_frame (dpyinfo, wdesc) | |
428 | struct x_display_info *dpyinfo; | |
429 | int wdesc; | |
430 | { | |
431 | Lisp_Object tail, frame; | |
432 | struct frame *f; | |
7556890b | 433 | struct x_output *x; |
5fbc3f3a | 434 | |
8e713be6 | 435 | for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail)) |
5fbc3f3a | 436 | { |
8e713be6 | 437 | frame = XCAR (tail); |
5fbc3f3a KH |
438 | if (!GC_FRAMEP (frame)) |
439 | continue; | |
440 | f = XFRAME (frame); | |
2d764c78 | 441 | if (!FRAME_X_P (f) || FRAME_X_DISPLAY_INFO (f) != dpyinfo) |
5fbc3f3a | 442 | continue; |
7556890b | 443 | x = f->output_data.x; |
5fbc3f3a | 444 | /* This frame matches if the window is any of its widgets. */ |
17cbbf95 GM |
445 | if (x->busy_window == wdesc) |
446 | return f; | |
447 | else if (x->widget) | |
333b20bb GM |
448 | { |
449 | if (wdesc == XtWindow (x->widget) | |
450 | || wdesc == XtWindow (x->column_widget) | |
451 | || wdesc == XtWindow (x->edit_widget)) | |
452 | return f; | |
453 | } | |
454 | else if (FRAME_X_WINDOW (f) == wdesc) | |
455 | /* A tooltip frame. */ | |
5fbc3f3a KH |
456 | return f; |
457 | } | |
458 | return 0; | |
459 | } | |
460 | ||
fd3a3022 RS |
461 | /* Likewise, but consider only the menu bar widget. */ |
462 | ||
463 | struct frame * | |
464 | x_menubar_window_to_frame (dpyinfo, wdesc) | |
465 | struct x_display_info *dpyinfo; | |
466 | int wdesc; | |
467 | { | |
468 | Lisp_Object tail, frame; | |
469 | struct frame *f; | |
7556890b | 470 | struct x_output *x; |
fd3a3022 | 471 | |
8e713be6 | 472 | for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail)) |
fd3a3022 | 473 | { |
8e713be6 | 474 | frame = XCAR (tail); |
fd3a3022 RS |
475 | if (!GC_FRAMEP (frame)) |
476 | continue; | |
477 | f = XFRAME (frame); | |
2d764c78 | 478 | if (!FRAME_X_P (f) || FRAME_X_DISPLAY_INFO (f) != dpyinfo) |
fd3a3022 | 479 | continue; |
7556890b | 480 | x = f->output_data.x; |
fd3a3022 | 481 | /* Match if the window is this frame's menubar. */ |
333b20bb GM |
482 | if (x->menubar_widget |
483 | && lw_window_is_in_menubar (wdesc, x->menubar_widget)) | |
fd3a3022 RS |
484 | return f; |
485 | } | |
486 | return 0; | |
487 | } | |
488 | ||
5e65b9ab RS |
489 | /* Return the frame whose principal (outermost) window is WDESC. |
490 | If WDESC is some other (smaller) window, we return 0. */ | |
491 | ||
492 | struct frame * | |
2d271e2e KH |
493 | x_top_window_to_frame (dpyinfo, wdesc) |
494 | struct x_display_info *dpyinfo; | |
5e65b9ab RS |
495 | int wdesc; |
496 | { | |
497 | Lisp_Object tail, frame; | |
498 | struct frame *f; | |
7556890b | 499 | struct x_output *x; |
5e65b9ab | 500 | |
8e713be6 | 501 | for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail)) |
5e65b9ab | 502 | { |
8e713be6 | 503 | frame = XCAR (tail); |
34ca5317 | 504 | if (!GC_FRAMEP (frame)) |
5e65b9ab RS |
505 | continue; |
506 | f = XFRAME (frame); | |
2d764c78 | 507 | if (!FRAME_X_P (f) || FRAME_X_DISPLAY_INFO (f) != dpyinfo) |
2d271e2e | 508 | continue; |
7556890b | 509 | x = f->output_data.x; |
333b20bb GM |
510 | |
511 | if (x->widget) | |
512 | { | |
513 | /* This frame matches if the window is its topmost widget. */ | |
514 | if (wdesc == XtWindow (x->widget)) | |
515 | return f; | |
7a994728 KH |
516 | #if 0 /* I don't know why it did this, |
517 | but it seems logically wrong, | |
518 | and it causes trouble for MapNotify events. */ | |
333b20bb GM |
519 | /* Match if the window is this frame's menubar. */ |
520 | if (x->menubar_widget | |
521 | && wdesc == XtWindow (x->menubar_widget)) | |
522 | return f; | |
7a994728 | 523 | #endif |
333b20bb GM |
524 | } |
525 | else if (FRAME_X_WINDOW (f) == wdesc) | |
526 | /* Tooltip frame. */ | |
527 | return f; | |
5e65b9ab RS |
528 | } |
529 | return 0; | |
530 | } | |
9ef48a9d | 531 | #endif /* USE_X_TOOLKIT */ |
01f1ba30 | 532 | |
01f1ba30 | 533 | \f |
203c1d73 RS |
534 | |
535 | /* Code to deal with bitmaps. Bitmaps are referenced by their bitmap | |
536 | id, which is just an int that this section returns. Bitmaps are | |
537 | reference counted so they can be shared among frames. | |
538 | ||
539 | Bitmap indices are guaranteed to be > 0, so a negative number can | |
540 | be used to indicate no bitmap. | |
541 | ||
542 | If you use x_create_bitmap_from_data, then you must keep track of | |
543 | the bitmaps yourself. That is, creating a bitmap from the same | |
b9dc4443 | 544 | data more than once will not be caught. */ |
203c1d73 RS |
545 | |
546 | ||
f1c7b5a6 RS |
547 | /* Functions to access the contents of a bitmap, given an id. */ |
548 | ||
549 | int | |
550 | x_bitmap_height (f, id) | |
551 | FRAME_PTR f; | |
552 | int id; | |
553 | { | |
08a90d6a | 554 | return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].height; |
f1c7b5a6 RS |
555 | } |
556 | ||
557 | int | |
558 | x_bitmap_width (f, id) | |
559 | FRAME_PTR f; | |
560 | int id; | |
561 | { | |
08a90d6a | 562 | return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].width; |
f1c7b5a6 RS |
563 | } |
564 | ||
565 | int | |
566 | x_bitmap_pixmap (f, id) | |
567 | FRAME_PTR f; | |
568 | int id; | |
569 | { | |
08a90d6a | 570 | return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].pixmap; |
f1c7b5a6 RS |
571 | } |
572 | ||
573 | ||
203c1d73 RS |
574 | /* Allocate a new bitmap record. Returns index of new record. */ |
575 | ||
576 | static int | |
08a90d6a RS |
577 | x_allocate_bitmap_record (f) |
578 | FRAME_PTR f; | |
203c1d73 | 579 | { |
08a90d6a RS |
580 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
581 | int i; | |
582 | ||
583 | if (dpyinfo->bitmaps == NULL) | |
203c1d73 | 584 | { |
08a90d6a RS |
585 | dpyinfo->bitmaps_size = 10; |
586 | dpyinfo->bitmaps | |
587 | = (struct x_bitmap_record *) xmalloc (dpyinfo->bitmaps_size * sizeof (struct x_bitmap_record)); | |
588 | dpyinfo->bitmaps_last = 1; | |
203c1d73 RS |
589 | return 1; |
590 | } | |
591 | ||
08a90d6a RS |
592 | if (dpyinfo->bitmaps_last < dpyinfo->bitmaps_size) |
593 | return ++dpyinfo->bitmaps_last; | |
203c1d73 | 594 | |
08a90d6a RS |
595 | for (i = 0; i < dpyinfo->bitmaps_size; ++i) |
596 | if (dpyinfo->bitmaps[i].refcount == 0) | |
597 | return i + 1; | |
203c1d73 | 598 | |
08a90d6a RS |
599 | dpyinfo->bitmaps_size *= 2; |
600 | dpyinfo->bitmaps | |
601 | = (struct x_bitmap_record *) xrealloc (dpyinfo->bitmaps, | |
602 | dpyinfo->bitmaps_size * sizeof (struct x_bitmap_record)); | |
603 | return ++dpyinfo->bitmaps_last; | |
203c1d73 RS |
604 | } |
605 | ||
606 | /* Add one reference to the reference count of the bitmap with id ID. */ | |
607 | ||
608 | void | |
f1c7b5a6 RS |
609 | x_reference_bitmap (f, id) |
610 | FRAME_PTR f; | |
203c1d73 RS |
611 | int id; |
612 | { | |
08a90d6a | 613 | ++FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].refcount; |
203c1d73 RS |
614 | } |
615 | ||
616 | /* Create a bitmap for frame F from a HEIGHT x WIDTH array of bits at BITS. */ | |
617 | ||
618 | int | |
619 | x_create_bitmap_from_data (f, bits, width, height) | |
620 | struct frame *f; | |
621 | char *bits; | |
622 | unsigned int width, height; | |
623 | { | |
08a90d6a | 624 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
203c1d73 RS |
625 | Pixmap bitmap; |
626 | int id; | |
627 | ||
b9dc4443 | 628 | bitmap = XCreateBitmapFromData (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
203c1d73 RS |
629 | bits, width, height); |
630 | ||
631 | if (! bitmap) | |
632 | return -1; | |
633 | ||
08a90d6a RS |
634 | id = x_allocate_bitmap_record (f); |
635 | dpyinfo->bitmaps[id - 1].pixmap = bitmap; | |
636 | dpyinfo->bitmaps[id - 1].file = NULL; | |
637 | dpyinfo->bitmaps[id - 1].refcount = 1; | |
638 | dpyinfo->bitmaps[id - 1].depth = 1; | |
639 | dpyinfo->bitmaps[id - 1].height = height; | |
640 | dpyinfo->bitmaps[id - 1].width = width; | |
203c1d73 RS |
641 | |
642 | return id; | |
643 | } | |
644 | ||
645 | /* Create bitmap from file FILE for frame F. */ | |
646 | ||
647 | int | |
648 | x_create_bitmap_from_file (f, file) | |
649 | struct frame *f; | |
f1c7b5a6 | 650 | Lisp_Object file; |
203c1d73 | 651 | { |
08a90d6a | 652 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
203c1d73 RS |
653 | unsigned int width, height; |
654 | Pixmap bitmap; | |
655 | int xhot, yhot, result, id; | |
f1c7b5a6 RS |
656 | Lisp_Object found; |
657 | int fd; | |
658 | char *filename; | |
203c1d73 RS |
659 | |
660 | /* Look for an existing bitmap with the same name. */ | |
08a90d6a | 661 | for (id = 0; id < dpyinfo->bitmaps_last; ++id) |
203c1d73 | 662 | { |
08a90d6a RS |
663 | if (dpyinfo->bitmaps[id].refcount |
664 | && dpyinfo->bitmaps[id].file | |
665 | && !strcmp (dpyinfo->bitmaps[id].file, (char *) XSTRING (file)->data)) | |
203c1d73 | 666 | { |
08a90d6a | 667 | ++dpyinfo->bitmaps[id].refcount; |
203c1d73 RS |
668 | return id + 1; |
669 | } | |
670 | } | |
671 | ||
f1c7b5a6 RS |
672 | /* Search bitmap-file-path for the file, if appropriate. */ |
673 | fd = openp (Vx_bitmap_file_path, file, "", &found, 0); | |
674 | if (fd < 0) | |
675 | return -1; | |
68c45bf0 | 676 | emacs_close (fd); |
f1c7b5a6 RS |
677 | |
678 | filename = (char *) XSTRING (found)->data; | |
679 | ||
b9dc4443 | 680 | result = XReadBitmapFile (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
f1c7b5a6 | 681 | filename, &width, &height, &bitmap, &xhot, &yhot); |
203c1d73 RS |
682 | if (result != BitmapSuccess) |
683 | return -1; | |
684 | ||
08a90d6a RS |
685 | id = x_allocate_bitmap_record (f); |
686 | dpyinfo->bitmaps[id - 1].pixmap = bitmap; | |
687 | dpyinfo->bitmaps[id - 1].refcount = 1; | |
9f2a85b2 | 688 | dpyinfo->bitmaps[id - 1].file |
fc932ac6 | 689 | = (char *) xmalloc (STRING_BYTES (XSTRING (file)) + 1); |
08a90d6a RS |
690 | dpyinfo->bitmaps[id - 1].depth = 1; |
691 | dpyinfo->bitmaps[id - 1].height = height; | |
692 | dpyinfo->bitmaps[id - 1].width = width; | |
693 | strcpy (dpyinfo->bitmaps[id - 1].file, XSTRING (file)->data); | |
203c1d73 RS |
694 | |
695 | return id; | |
696 | } | |
697 | ||
698 | /* Remove reference to bitmap with id number ID. */ | |
699 | ||
968b1234 | 700 | void |
f1c7b5a6 RS |
701 | x_destroy_bitmap (f, id) |
702 | FRAME_PTR f; | |
203c1d73 RS |
703 | int id; |
704 | { | |
08a90d6a RS |
705 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
706 | ||
203c1d73 RS |
707 | if (id > 0) |
708 | { | |
08a90d6a RS |
709 | --dpyinfo->bitmaps[id - 1].refcount; |
710 | if (dpyinfo->bitmaps[id - 1].refcount == 0) | |
203c1d73 | 711 | { |
ed662bdd | 712 | BLOCK_INPUT; |
08a90d6a RS |
713 | XFreePixmap (FRAME_X_DISPLAY (f), dpyinfo->bitmaps[id - 1].pixmap); |
714 | if (dpyinfo->bitmaps[id - 1].file) | |
203c1d73 | 715 | { |
333b20bb | 716 | xfree (dpyinfo->bitmaps[id - 1].file); |
08a90d6a | 717 | dpyinfo->bitmaps[id - 1].file = NULL; |
203c1d73 | 718 | } |
ed662bdd | 719 | UNBLOCK_INPUT; |
203c1d73 RS |
720 | } |
721 | } | |
722 | } | |
723 | ||
08a90d6a | 724 | /* Free all the bitmaps for the display specified by DPYINFO. */ |
203c1d73 | 725 | |
08a90d6a RS |
726 | static void |
727 | x_destroy_all_bitmaps (dpyinfo) | |
728 | struct x_display_info *dpyinfo; | |
203c1d73 | 729 | { |
08a90d6a RS |
730 | int i; |
731 | for (i = 0; i < dpyinfo->bitmaps_last; i++) | |
732 | if (dpyinfo->bitmaps[i].refcount > 0) | |
733 | { | |
734 | XFreePixmap (dpyinfo->display, dpyinfo->bitmaps[i].pixmap); | |
735 | if (dpyinfo->bitmaps[i].file) | |
333b20bb | 736 | xfree (dpyinfo->bitmaps[i].file); |
08a90d6a RS |
737 | } |
738 | dpyinfo->bitmaps_last = 0; | |
203c1d73 RS |
739 | } |
740 | \f | |
f676886a | 741 | /* Connect the frame-parameter names for X frames |
01f1ba30 JB |
742 | to the ways of passing the parameter values to the window system. |
743 | ||
744 | The name of a parameter, as a Lisp symbol, | |
f676886a | 745 | has an `x-frame-parameter' property which is an integer in Lisp |
9fb026ab | 746 | that is an index in this table. */ |
01f1ba30 | 747 | |
f676886a | 748 | struct x_frame_parm_table |
01f1ba30 JB |
749 | { |
750 | char *name; | |
d62c8769 | 751 | void (*setter) P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
01f1ba30 JB |
752 | }; |
753 | ||
eaf1eea9 GM |
754 | static Lisp_Object unwind_create_frame P_ ((Lisp_Object)); |
755 | static Lisp_Object unwind_create_tip_frame P_ ((Lisp_Object)); | |
52de7ce9 | 756 | static void x_change_window_heights P_ ((Lisp_Object, int)); |
14819cb3 | 757 | static void x_disable_image P_ ((struct frame *, struct image *)); |
86779fac | 758 | static void x_create_im P_ ((struct frame *)); |
d62c8769 | 759 | void x_set_foreground_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
563b67aa | 760 | static void x_set_line_spacing P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
d62c8769 GM |
761 | void x_set_background_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
762 | void x_set_mouse_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
763 | void x_set_cursor_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
764 | void x_set_border_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
765 | void x_set_cursor_type P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
766 | void x_set_icon_type P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
767 | void x_set_icon_name P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
768 | void x_set_font P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
769 | void x_set_border_width P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
770 | void x_set_internal_border_width P_ ((struct frame *, Lisp_Object, | |
771 | Lisp_Object)); | |
772 | void x_explicitly_set_name P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
773 | void x_set_autoraise P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
774 | void x_set_autolower P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
775 | void x_set_vertical_scroll_bars P_ ((struct frame *, Lisp_Object, | |
776 | Lisp_Object)); | |
777 | void x_set_visibility P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
778 | void x_set_menu_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
779 | void x_set_scroll_bar_width P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
780 | void x_set_title P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
781 | void x_set_unsplittable P_ ((struct frame *, Lisp_Object, Lisp_Object)); | |
9ea173e8 | 782 | void x_set_tool_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
333b20bb GM |
783 | void x_set_scroll_bar_foreground P_ ((struct frame *, Lisp_Object, |
784 | Lisp_Object)); | |
785 | void x_set_scroll_bar_background P_ ((struct frame *, Lisp_Object, | |
786 | Lisp_Object)); | |
787 | static Lisp_Object x_default_scroll_bar_color_parameter P_ ((struct frame *, | |
788 | Lisp_Object, | |
789 | Lisp_Object, | |
790 | char *, char *, | |
791 | int)); | |
d62c8769 | 792 | static void x_set_screen_gamma P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
4a8e312c GM |
793 | static void x_edge_detection P_ ((struct frame *, struct image *, Lisp_Object, |
794 | Lisp_Object)); | |
b243755a GM |
795 | static void init_color_table P_ ((void)); |
796 | static void free_color_table P_ ((void)); | |
797 | static unsigned long *colors_in_color_table P_ ((int *n)); | |
798 | static unsigned long lookup_rgb_color P_ ((struct frame *f, int r, int g, int b)); | |
799 | static unsigned long lookup_pixel_color P_ ((struct frame *f, unsigned long p)); | |
800 | ||
801 | ||
01f1ba30 | 802 | |
f676886a | 803 | static struct x_frame_parm_table x_frame_parms[] = |
01f1ba30 | 804 | { |
563b67aa GM |
805 | "auto-raise", x_set_autoraise, |
806 | "auto-lower", x_set_autolower, | |
807 | "background-color", x_set_background_color, | |
808 | "border-color", x_set_border_color, | |
809 | "border-width", x_set_border_width, | |
810 | "cursor-color", x_set_cursor_color, | |
811 | "cursor-type", x_set_cursor_type, | |
812 | "font", x_set_font, | |
813 | "foreground-color", x_set_foreground_color, | |
814 | "icon-name", x_set_icon_name, | |
815 | "icon-type", x_set_icon_type, | |
816 | "internal-border-width", x_set_internal_border_width, | |
817 | "menu-bar-lines", x_set_menu_bar_lines, | |
818 | "mouse-color", x_set_mouse_color, | |
819 | "name", x_explicitly_set_name, | |
820 | "scroll-bar-width", x_set_scroll_bar_width, | |
821 | "title", x_set_title, | |
822 | "unsplittable", x_set_unsplittable, | |
823 | "vertical-scroll-bars", x_set_vertical_scroll_bars, | |
824 | "visibility", x_set_visibility, | |
825 | "tool-bar-lines", x_set_tool_bar_lines, | |
826 | "scroll-bar-foreground", x_set_scroll_bar_foreground, | |
827 | "scroll-bar-background", x_set_scroll_bar_background, | |
828 | "screen-gamma", x_set_screen_gamma, | |
829 | "line-spacing", x_set_line_spacing | |
01f1ba30 JB |
830 | }; |
831 | ||
f676886a | 832 | /* Attach the `x-frame-parameter' properties to |
01f1ba30 JB |
833 | the Lisp symbol names of parameters relevant to X. */ |
834 | ||
201d8c78 | 835 | void |
01f1ba30 JB |
836 | init_x_parm_symbols () |
837 | { | |
838 | int i; | |
839 | ||
d043f1a4 | 840 | for (i = 0; i < sizeof (x_frame_parms) / sizeof (x_frame_parms[0]); i++) |
f676886a | 841 | Fput (intern (x_frame_parms[i].name), Qx_frame_parameter, |
01f1ba30 JB |
842 | make_number (i)); |
843 | } | |
844 | \f | |
e8cc313b | 845 | /* Change the parameters of frame F as specified by ALIST. |
64362cd4 GM |
846 | If a parameter is not specially recognized, do nothing special; |
847 | otherwise call the `x_set_...' function for that parameter. | |
848 | Except for certain geometry properties, always call store_frame_param | |
849 | to store the new value in the parameter alist. */ | |
d043f1a4 | 850 | |
f9942c9e JB |
851 | void |
852 | x_set_frame_parameters (f, alist) | |
853 | FRAME_PTR f; | |
854 | Lisp_Object alist; | |
855 | { | |
856 | Lisp_Object tail; | |
857 | ||
858 | /* If both of these parameters are present, it's more efficient to | |
859 | set them both at once. So we wait until we've looked at the | |
860 | entire list before we set them. */ | |
e4f79258 | 861 | int width, height; |
f9942c9e JB |
862 | |
863 | /* Same here. */ | |
864 | Lisp_Object left, top; | |
f9942c9e | 865 | |
a59e4f3d RS |
866 | /* Same with these. */ |
867 | Lisp_Object icon_left, icon_top; | |
868 | ||
f5e70acd RS |
869 | /* Record in these vectors all the parms specified. */ |
870 | Lisp_Object *parms; | |
871 | Lisp_Object *values; | |
a797a73d | 872 | int i, p; |
e1d962d7 | 873 | int left_no_change = 0, top_no_change = 0; |
a59e4f3d | 874 | int icon_left_no_change = 0, icon_top_no_change = 0; |
203c1d73 | 875 | |
7589a1d9 RS |
876 | struct gcpro gcpro1, gcpro2; |
877 | ||
f5e70acd RS |
878 | i = 0; |
879 | for (tail = alist; CONSP (tail); tail = Fcdr (tail)) | |
880 | i++; | |
881 | ||
882 | parms = (Lisp_Object *) alloca (i * sizeof (Lisp_Object)); | |
883 | values = (Lisp_Object *) alloca (i * sizeof (Lisp_Object)); | |
f9942c9e | 884 | |
f5e70acd RS |
885 | /* Extract parm names and values into those vectors. */ |
886 | ||
887 | i = 0; | |
f9942c9e JB |
888 | for (tail = alist; CONSP (tail); tail = Fcdr (tail)) |
889 | { | |
333b20bb | 890 | Lisp_Object elt; |
f9942c9e JB |
891 | |
892 | elt = Fcar (tail); | |
f5e70acd RS |
893 | parms[i] = Fcar (elt); |
894 | values[i] = Fcdr (elt); | |
895 | i++; | |
896 | } | |
7589a1d9 RS |
897 | /* TAIL and ALIST are not used again below here. */ |
898 | alist = tail = Qnil; | |
899 | ||
900 | GCPRO2 (*parms, *values); | |
901 | gcpro1.nvars = i; | |
902 | gcpro2.nvars = i; | |
f5e70acd | 903 | |
7589a1d9 RS |
904 | /* There is no need to gcpro LEFT, TOP, ICON_LEFT, or ICON_TOP, |
905 | because their values appear in VALUES and strings are not valid. */ | |
e4f79258 | 906 | top = left = Qunbound; |
a59e4f3d | 907 | icon_left = icon_top = Qunbound; |
f9942c9e | 908 | |
e4f79258 RS |
909 | /* Provide default values for HEIGHT and WIDTH. */ |
910 | if (FRAME_NEW_WIDTH (f)) | |
911 | width = FRAME_NEW_WIDTH (f); | |
912 | else | |
913 | width = FRAME_WIDTH (f); | |
914 | ||
915 | if (FRAME_NEW_HEIGHT (f)) | |
916 | height = FRAME_NEW_HEIGHT (f); | |
917 | else | |
918 | height = FRAME_HEIGHT (f); | |
919 | ||
a797a73d GV |
920 | /* Process foreground_color and background_color before anything else. |
921 | They are independent of other properties, but other properties (e.g., | |
922 | cursor_color) are dependent upon them. */ | |
923 | for (p = 0; p < i; p++) | |
924 | { | |
925 | Lisp_Object prop, val; | |
926 | ||
927 | prop = parms[p]; | |
928 | val = values[p]; | |
929 | if (EQ (prop, Qforeground_color) || EQ (prop, Qbackground_color)) | |
930 | { | |
931 | register Lisp_Object param_index, old_value; | |
932 | ||
933 | param_index = Fget (prop, Qx_frame_parameter); | |
934 | old_value = get_frame_param (f, prop); | |
935 | store_frame_param (f, prop, val); | |
936 | if (NATNUMP (param_index) | |
937 | && (XFASTINT (param_index) | |
938 | < sizeof (x_frame_parms)/sizeof (x_frame_parms[0]))) | |
939 | (*x_frame_parms[XINT (param_index)].setter)(f, val, old_value); | |
940 | } | |
941 | } | |
942 | ||
f5e70acd RS |
943 | /* Now process them in reverse of specified order. */ |
944 | for (i--; i >= 0; i--) | |
945 | { | |
946 | Lisp_Object prop, val; | |
947 | ||
948 | prop = parms[i]; | |
949 | val = values[i]; | |
950 | ||
e4f79258 RS |
951 | if (EQ (prop, Qwidth) && NUMBERP (val)) |
952 | width = XFASTINT (val); | |
953 | else if (EQ (prop, Qheight) && NUMBERP (val)) | |
954 | height = XFASTINT (val); | |
f5e70acd | 955 | else if (EQ (prop, Qtop)) |
f9942c9e | 956 | top = val; |
f5e70acd | 957 | else if (EQ (prop, Qleft)) |
f9942c9e | 958 | left = val; |
a59e4f3d RS |
959 | else if (EQ (prop, Qicon_top)) |
960 | icon_top = val; | |
961 | else if (EQ (prop, Qicon_left)) | |
962 | icon_left = val; | |
a797a73d GV |
963 | else if (EQ (prop, Qforeground_color) || EQ (prop, Qbackground_color)) |
964 | /* Processed above. */ | |
965 | continue; | |
f9942c9e JB |
966 | else |
967 | { | |
98381190 | 968 | register Lisp_Object param_index, old_value; |
ea96210c | 969 | |
98381190 KH |
970 | param_index = Fget (prop, Qx_frame_parameter); |
971 | old_value = get_frame_param (f, prop); | |
f9942c9e | 972 | store_frame_param (f, prop, val); |
40c03e12 KH |
973 | if (NATNUMP (param_index) |
974 | && (XFASTINT (param_index) | |
ea96210c JB |
975 | < sizeof (x_frame_parms)/sizeof (x_frame_parms[0]))) |
976 | (*x_frame_parms[XINT (param_index)].setter)(f, val, old_value); | |
f9942c9e JB |
977 | } |
978 | } | |
979 | ||
11378c41 RS |
980 | /* Don't die if just one of these was set. */ |
981 | if (EQ (left, Qunbound)) | |
e1d962d7 RS |
982 | { |
983 | left_no_change = 1; | |
7556890b RS |
984 | if (f->output_data.x->left_pos < 0) |
985 | left = Fcons (Qplus, Fcons (make_number (f->output_data.x->left_pos), Qnil)); | |
e1d962d7 | 986 | else |
7556890b | 987 | XSETINT (left, f->output_data.x->left_pos); |
e1d962d7 | 988 | } |
11378c41 | 989 | if (EQ (top, Qunbound)) |
e1d962d7 RS |
990 | { |
991 | top_no_change = 1; | |
7556890b RS |
992 | if (f->output_data.x->top_pos < 0) |
993 | top = Fcons (Qplus, Fcons (make_number (f->output_data.x->top_pos), Qnil)); | |
e1d962d7 | 994 | else |
7556890b | 995 | XSETINT (top, f->output_data.x->top_pos); |
e1d962d7 | 996 | } |
11378c41 | 997 | |
a59e4f3d RS |
998 | /* If one of the icon positions was not set, preserve or default it. */ |
999 | if (EQ (icon_left, Qunbound) || ! INTEGERP (icon_left)) | |
1000 | { | |
1001 | icon_left_no_change = 1; | |
1002 | icon_left = Fcdr (Fassq (Qicon_left, f->param_alist)); | |
1003 | if (NILP (icon_left)) | |
1004 | XSETINT (icon_left, 0); | |
1005 | } | |
1006 | if (EQ (icon_top, Qunbound) || ! INTEGERP (icon_top)) | |
1007 | { | |
1008 | icon_top_no_change = 1; | |
1009 | icon_top = Fcdr (Fassq (Qicon_top, f->param_alist)); | |
1010 | if (NILP (icon_top)) | |
1011 | XSETINT (icon_top, 0); | |
1012 | } | |
1013 | ||
499ea23b | 1014 | /* Don't set these parameters unless they've been explicitly |
d387c960 JB |
1015 | specified. The window might be mapped or resized while we're in |
1016 | this function, and we don't want to override that unless the lisp | |
1017 | code has asked for it. | |
1018 | ||
1019 | Don't set these parameters unless they actually differ from the | |
1020 | window's current parameters; the window may not actually exist | |
1021 | yet. */ | |
f9942c9e JB |
1022 | { |
1023 | Lisp_Object frame; | |
1024 | ||
1f11a5ca RS |
1025 | check_frame_size (f, &height, &width); |
1026 | ||
191ed777 | 1027 | XSETFRAME (frame, f); |
11378c41 | 1028 | |
e4f79258 RS |
1029 | if (width != FRAME_WIDTH (f) |
1030 | || height != FRAME_HEIGHT (f) | |
d6f80ae9 | 1031 | || FRAME_NEW_HEIGHT (f) || FRAME_NEW_WIDTH (f)) |
e4f79258 | 1032 | Fset_frame_size (frame, make_number (width), make_number (height)); |
f10f0b79 RS |
1033 | |
1034 | if ((!NILP (left) || !NILP (top)) | |
e1d962d7 | 1035 | && ! (left_no_change && top_no_change) |
7556890b RS |
1036 | && ! (NUMBERP (left) && XINT (left) == f->output_data.x->left_pos |
1037 | && NUMBERP (top) && XINT (top) == f->output_data.x->top_pos)) | |
f10f0b79 | 1038 | { |
e1d962d7 RS |
1039 | int leftpos = 0; |
1040 | int toppos = 0; | |
f10f0b79 RS |
1041 | |
1042 | /* Record the signs. */ | |
7556890b | 1043 | f->output_data.x->size_hint_flags &= ~ (XNegative | YNegative); |
e1d962d7 | 1044 | if (EQ (left, Qminus)) |
7556890b | 1045 | f->output_data.x->size_hint_flags |= XNegative; |
e1d962d7 RS |
1046 | else if (INTEGERP (left)) |
1047 | { | |
1048 | leftpos = XINT (left); | |
1049 | if (leftpos < 0) | |
7556890b | 1050 | f->output_data.x->size_hint_flags |= XNegative; |
e1d962d7 | 1051 | } |
8e713be6 KR |
1052 | else if (CONSP (left) && EQ (XCAR (left), Qminus) |
1053 | && CONSP (XCDR (left)) | |
1054 | && INTEGERP (XCAR (XCDR (left)))) | |
e1d962d7 | 1055 | { |
8e713be6 | 1056 | leftpos = - XINT (XCAR (XCDR (left))); |
7556890b | 1057 | f->output_data.x->size_hint_flags |= XNegative; |
e1d962d7 | 1058 | } |
8e713be6 KR |
1059 | else if (CONSP (left) && EQ (XCAR (left), Qplus) |
1060 | && CONSP (XCDR (left)) | |
1061 | && INTEGERP (XCAR (XCDR (left)))) | |
e1d962d7 | 1062 | { |
8e713be6 | 1063 | leftpos = XINT (XCAR (XCDR (left))); |
e1d962d7 RS |
1064 | } |
1065 | ||
1066 | if (EQ (top, Qminus)) | |
7556890b | 1067 | f->output_data.x->size_hint_flags |= YNegative; |
e1d962d7 RS |
1068 | else if (INTEGERP (top)) |
1069 | { | |
1070 | toppos = XINT (top); | |
1071 | if (toppos < 0) | |
7556890b | 1072 | f->output_data.x->size_hint_flags |= YNegative; |
e1d962d7 | 1073 | } |
8e713be6 KR |
1074 | else if (CONSP (top) && EQ (XCAR (top), Qminus) |
1075 | && CONSP (XCDR (top)) | |
1076 | && INTEGERP (XCAR (XCDR (top)))) | |
e1d962d7 | 1077 | { |
8e713be6 | 1078 | toppos = - XINT (XCAR (XCDR (top))); |
7556890b | 1079 | f->output_data.x->size_hint_flags |= YNegative; |
e1d962d7 | 1080 | } |
8e713be6 KR |
1081 | else if (CONSP (top) && EQ (XCAR (top), Qplus) |
1082 | && CONSP (XCDR (top)) | |
1083 | && INTEGERP (XCAR (XCDR (top)))) | |
e1d962d7 | 1084 | { |
8e713be6 | 1085 | toppos = XINT (XCAR (XCDR (top))); |
e1d962d7 RS |
1086 | } |
1087 | ||
1088 | ||
1089 | /* Store the numeric value of the position. */ | |
7556890b RS |
1090 | f->output_data.x->top_pos = toppos; |
1091 | f->output_data.x->left_pos = leftpos; | |
e1d962d7 | 1092 | |
7556890b | 1093 | f->output_data.x->win_gravity = NorthWestGravity; |
f10f0b79 RS |
1094 | |
1095 | /* Actually set that position, and convert to absolute. */ | |
f0e72e79 | 1096 | x_set_offset (f, leftpos, toppos, -1); |
f10f0b79 | 1097 | } |
a59e4f3d RS |
1098 | |
1099 | if ((!NILP (icon_left) || !NILP (icon_top)) | |
1100 | && ! (icon_left_no_change && icon_top_no_change)) | |
1101 | x_wm_set_icon_position (f, XINT (icon_left), XINT (icon_top)); | |
f9942c9e | 1102 | } |
7589a1d9 RS |
1103 | |
1104 | UNGCPRO; | |
f9942c9e | 1105 | } |
01f1ba30 | 1106 | |
08a90d6a | 1107 | /* Store the screen positions of frame F into XPTR and YPTR. |
e9445337 RS |
1108 | These are the positions of the containing window manager window, |
1109 | not Emacs's own window. */ | |
1110 | ||
1111 | void | |
1112 | x_real_positions (f, xptr, yptr) | |
1113 | FRAME_PTR f; | |
1114 | int *xptr, *yptr; | |
1115 | { | |
08a90d6a | 1116 | int win_x, win_y; |
e9445337 RS |
1117 | Window child; |
1118 | ||
043835a3 RS |
1119 | /* This is pretty gross, but seems to be the easiest way out of |
1120 | the problem that arises when restarting window-managers. */ | |
1121 | ||
1122 | #ifdef USE_X_TOOLKIT | |
333b20bb GM |
1123 | Window outer = (f->output_data.x->widget |
1124 | ? XtWindow (f->output_data.x->widget) | |
1125 | : FRAME_X_WINDOW (f)); | |
043835a3 | 1126 | #else |
7556890b | 1127 | Window outer = f->output_data.x->window_desc; |
043835a3 RS |
1128 | #endif |
1129 | Window tmp_root_window; | |
1130 | Window *tmp_children; | |
4848ef23 | 1131 | unsigned int tmp_nchildren; |
043835a3 | 1132 | |
08a90d6a | 1133 | while (1) |
e9445337 | 1134 | { |
1dc6cfa6 | 1135 | int count = x_catch_errors (FRAME_X_DISPLAY (f)); |
8a07bba0 | 1136 | Window outer_window; |
ca7bac79 | 1137 | |
08a90d6a | 1138 | XQueryTree (FRAME_X_DISPLAY (f), outer, &tmp_root_window, |
7556890b | 1139 | &f->output_data.x->parent_desc, |
08a90d6a | 1140 | &tmp_children, &tmp_nchildren); |
72dc3bc7 | 1141 | XFree ((char *) tmp_children); |
08a90d6a RS |
1142 | |
1143 | win_x = win_y = 0; | |
1144 | ||
1145 | /* Find the position of the outside upper-left corner of | |
1146 | the inner window, with respect to the outer window. */ | |
7556890b | 1147 | if (f->output_data.x->parent_desc != FRAME_X_DISPLAY_INFO (f)->root_window) |
8a07bba0 RS |
1148 | outer_window = f->output_data.x->parent_desc; |
1149 | else | |
1150 | outer_window = outer; | |
08a90d6a | 1151 | |
8a07bba0 | 1152 | XTranslateCoordinates (FRAME_X_DISPLAY (f), |
e9445337 | 1153 | |
8a07bba0 RS |
1154 | /* From-window, to-window. */ |
1155 | outer_window, | |
1156 | FRAME_X_DISPLAY_INFO (f)->root_window, | |
e9445337 | 1157 | |
8a07bba0 RS |
1158 | /* From-position, to-position. */ |
1159 | 0, 0, &win_x, &win_y, | |
08a90d6a | 1160 | |
8a07bba0 RS |
1161 | /* Child of win. */ |
1162 | &child); | |
e9445337 | 1163 | |
08a90d6a RS |
1164 | /* It is possible for the window returned by the XQueryNotify |
1165 | to become invalid by the time we call XTranslateCoordinates. | |
1166 | That can happen when you restart some window managers. | |
1167 | If so, we get an error in XTranslateCoordinates. | |
1168 | Detect that and try the whole thing over. */ | |
c4ec904f | 1169 | if (! x_had_errors_p (FRAME_X_DISPLAY (f))) |
845e9d85 | 1170 | { |
1dc6cfa6 | 1171 | x_uncatch_errors (FRAME_X_DISPLAY (f), count); |
845e9d85 RS |
1172 | break; |
1173 | } | |
ca7bac79 | 1174 | |
1dc6cfa6 | 1175 | x_uncatch_errors (FRAME_X_DISPLAY (f), count); |
e9445337 | 1176 | } |
08a90d6a | 1177 | |
333b20bb GM |
1178 | *xptr = win_x; |
1179 | *yptr = win_y; | |
e9445337 RS |
1180 | } |
1181 | ||
f676886a | 1182 | /* Insert a description of internally-recorded parameters of frame X |
01f1ba30 JB |
1183 | into the parameter alist *ALISTPTR that is to be given to the user. |
1184 | Only parameters that are specific to the X window system | |
f676886a | 1185 | and whose values are not correctly recorded in the frame's |
01f1ba30 JB |
1186 | param_alist need to be considered here. */ |
1187 | ||
968b1234 | 1188 | void |
f676886a JB |
1189 | x_report_frame_params (f, alistptr) |
1190 | struct frame *f; | |
01f1ba30 JB |
1191 | Lisp_Object *alistptr; |
1192 | { | |
1193 | char buf[16]; | |
9b002b8d KH |
1194 | Lisp_Object tem; |
1195 | ||
1196 | /* Represent negative positions (off the top or left screen edge) | |
1197 | in a way that Fmodify_frame_parameters will understand correctly. */ | |
7556890b RS |
1198 | XSETINT (tem, f->output_data.x->left_pos); |
1199 | if (f->output_data.x->left_pos >= 0) | |
9b002b8d KH |
1200 | store_in_alist (alistptr, Qleft, tem); |
1201 | else | |
1202 | store_in_alist (alistptr, Qleft, Fcons (Qplus, Fcons (tem, Qnil))); | |
1203 | ||
7556890b RS |
1204 | XSETINT (tem, f->output_data.x->top_pos); |
1205 | if (f->output_data.x->top_pos >= 0) | |
9b002b8d KH |
1206 | store_in_alist (alistptr, Qtop, tem); |
1207 | else | |
1208 | store_in_alist (alistptr, Qtop, Fcons (Qplus, Fcons (tem, Qnil))); | |
01f1ba30 | 1209 | |
f9942c9e | 1210 | store_in_alist (alistptr, Qborder_width, |
7556890b | 1211 | make_number (f->output_data.x->border_width)); |
f9942c9e | 1212 | store_in_alist (alistptr, Qinternal_border_width, |
7556890b | 1213 | make_number (f->output_data.x->internal_border_width)); |
7c118b57 | 1214 | sprintf (buf, "%ld", (long) FRAME_X_WINDOW (f)); |
f9942c9e | 1215 | store_in_alist (alistptr, Qwindow_id, |
01f1ba30 | 1216 | build_string (buf)); |
333b20bb GM |
1217 | #ifdef USE_X_TOOLKIT |
1218 | /* Tooltip frame may not have this widget. */ | |
1219 | if (f->output_data.x->widget) | |
1220 | #endif | |
1221 | sprintf (buf, "%ld", (long) FRAME_OUTER_WINDOW (f)); | |
2cbebefb RS |
1222 | store_in_alist (alistptr, Qouter_window_id, |
1223 | build_string (buf)); | |
f468da95 | 1224 | store_in_alist (alistptr, Qicon_name, f->icon_name); |
a8ccd803 | 1225 | FRAME_SAMPLE_VISIBILITY (f); |
d043f1a4 RS |
1226 | store_in_alist (alistptr, Qvisibility, |
1227 | (FRAME_VISIBLE_P (f) ? Qt | |
1228 | : FRAME_ICONIFIED_P (f) ? Qicon : Qnil)); | |
34ae77b5 | 1229 | store_in_alist (alistptr, Qdisplay, |
8e713be6 | 1230 | XCAR (FRAME_X_DISPLAY_INFO (f)->name_list_element)); |
e4f79258 | 1231 | |
8c239ac3 RS |
1232 | if (f->output_data.x->parent_desc == FRAME_X_DISPLAY_INFO (f)->root_window) |
1233 | tem = Qnil; | |
1234 | else | |
1235 | XSETFASTINT (tem, f->output_data.x->parent_desc); | |
1236 | store_in_alist (alistptr, Qparent_id, tem); | |
01f1ba30 JB |
1237 | } |
1238 | \f | |
82978295 | 1239 | |
d62c8769 GM |
1240 | |
1241 | /* Gamma-correct COLOR on frame F. */ | |
1242 | ||
1243 | void | |
1244 | gamma_correct (f, color) | |
1245 | struct frame *f; | |
1246 | XColor *color; | |
1247 | { | |
1248 | if (f->gamma) | |
1249 | { | |
1250 | color->red = pow (color->red / 65535.0, f->gamma) * 65535.0 + 0.5; | |
1251 | color->green = pow (color->green / 65535.0, f->gamma) * 65535.0 + 0.5; | |
1252 | color->blue = pow (color->blue / 65535.0, f->gamma) * 65535.0 + 0.5; | |
1253 | } | |
1254 | } | |
1255 | ||
1256 | ||
7b746c38 GM |
1257 | /* Decide if color named COLOR_NAME is valid for use on frame F. If |
1258 | so, return the RGB values in COLOR. If ALLOC_P is non-zero, | |
1259 | allocate the color. Value is zero if COLOR_NAME is invalid, or | |
1260 | no color could be allocated. */ | |
e12d55b2 | 1261 | |
01f1ba30 | 1262 | int |
7b746c38 GM |
1263 | x_defined_color (f, color_name, color, alloc_p) |
1264 | struct frame *f; | |
1265 | char *color_name; | |
1266 | XColor *color; | |
1267 | int alloc_p; | |
01f1ba30 | 1268 | { |
7b746c38 GM |
1269 | int success_p; |
1270 | Display *dpy = FRAME_X_DISPLAY (f); | |
1271 | Colormap cmap = FRAME_X_COLORMAP (f); | |
01f1ba30 JB |
1272 | |
1273 | BLOCK_INPUT; | |
7b746c38 GM |
1274 | success_p = XParseColor (dpy, cmap, color_name, color); |
1275 | if (success_p && alloc_p) | |
1276 | success_p = x_alloc_nearest_color (f, cmap, color); | |
01f1ba30 JB |
1277 | UNBLOCK_INPUT; |
1278 | ||
7b746c38 | 1279 | return success_p; |
01f1ba30 JB |
1280 | } |
1281 | ||
9b2956e2 GM |
1282 | |
1283 | /* Return the pixel color value for color COLOR_NAME on frame F. If F | |
1284 | is a monochrome frame, return MONO_COLOR regardless of what ARG says. | |
1285 | Signal an error if color can't be allocated. */ | |
01f1ba30 JB |
1286 | |
1287 | int | |
9b2956e2 | 1288 | x_decode_color (f, color_name, mono_color) |
b9dc4443 | 1289 | FRAME_PTR f; |
9b2956e2 GM |
1290 | Lisp_Object color_name; |
1291 | int mono_color; | |
01f1ba30 | 1292 | { |
b9dc4443 | 1293 | XColor cdef; |
01f1ba30 | 1294 | |
9b2956e2 | 1295 | CHECK_STRING (color_name, 0); |
01f1ba30 | 1296 | |
9b2956e2 GM |
1297 | #if 0 /* Don't do this. It's wrong when we're not using the default |
1298 | colormap, it makes freeing difficult, and it's probably not | |
1299 | an important optimization. */ | |
1300 | if (strcmp (XSTRING (color_name)->data, "black") == 0) | |
b9dc4443 | 1301 | return BLACK_PIX_DEFAULT (f); |
9b2956e2 | 1302 | else if (strcmp (XSTRING (color_name)->data, "white") == 0) |
b9dc4443 | 1303 | return WHITE_PIX_DEFAULT (f); |
9b2956e2 | 1304 | #endif |
01f1ba30 | 1305 | |
9b2956e2 | 1306 | /* Return MONO_COLOR for monochrome frames. */ |
b9dc4443 | 1307 | if (FRAME_X_DISPLAY_INFO (f)->n_planes == 1) |
9b2956e2 | 1308 | return mono_color; |
01f1ba30 | 1309 | |
2d764c78 | 1310 | /* x_defined_color is responsible for coping with failures |
95626e11 | 1311 | by looking for a near-miss. */ |
9b2956e2 | 1312 | if (x_defined_color (f, XSTRING (color_name)->data, &cdef, 1)) |
95626e11 RS |
1313 | return cdef.pixel; |
1314 | ||
c301be26 GM |
1315 | Fsignal (Qerror, Fcons (build_string ("Undefined color"), |
1316 | Fcons (color_name, Qnil))); | |
1317 | return 0; | |
01f1ba30 | 1318 | } |
9b2956e2 GM |
1319 | |
1320 | ||
01f1ba30 | 1321 | \f |
563b67aa GM |
1322 | /* Change the `line-spacing' frame parameter of frame F. OLD_VALUE is |
1323 | the previous value of that parameter, NEW_VALUE is the new value. */ | |
1324 | ||
1325 | static void | |
1326 | x_set_line_spacing (f, new_value, old_value) | |
1327 | struct frame *f; | |
1328 | Lisp_Object new_value, old_value; | |
1329 | { | |
1330 | if (NILP (new_value)) | |
1331 | f->extra_line_spacing = 0; | |
1332 | else if (NATNUMP (new_value)) | |
1333 | f->extra_line_spacing = XFASTINT (new_value); | |
1334 | else | |
1a948b17 | 1335 | Fsignal (Qerror, Fcons (build_string ("Invalid line-spacing"), |
563b67aa GM |
1336 | Fcons (new_value, Qnil))); |
1337 | if (FRAME_VISIBLE_P (f)) | |
1338 | redraw_frame (f); | |
1339 | } | |
1340 | ||
1341 | ||
d62c8769 GM |
1342 | /* Change the `screen-gamma' frame parameter of frame F. OLD_VALUE is |
1343 | the previous value of that parameter, NEW_VALUE is the new value. */ | |
1344 | ||
1345 | static void | |
1346 | x_set_screen_gamma (f, new_value, old_value) | |
1347 | struct frame *f; | |
1348 | Lisp_Object new_value, old_value; | |
1349 | { | |
1350 | if (NILP (new_value)) | |
1351 | f->gamma = 0; | |
1352 | else if (NUMBERP (new_value) && XFLOATINT (new_value) > 0) | |
1353 | /* The value 0.4545 is the normal viewing gamma. */ | |
1354 | f->gamma = 1.0 / (0.4545 * XFLOATINT (new_value)); | |
1355 | else | |
1a948b17 | 1356 | Fsignal (Qerror, Fcons (build_string ("Invalid screen-gamma"), |
d62c8769 GM |
1357 | Fcons (new_value, Qnil))); |
1358 | ||
1359 | clear_face_cache (0); | |
1360 | } | |
1361 | ||
1362 | ||
f676886a | 1363 | /* Functions called only from `x_set_frame_param' |
01f1ba30 JB |
1364 | to set individual parameters. |
1365 | ||
fe24a618 | 1366 | If FRAME_X_WINDOW (f) is 0, |
f676886a | 1367 | the frame is being created and its X-window does not exist yet. |
01f1ba30 JB |
1368 | In that case, just record the parameter's new value |
1369 | in the standard place; do not attempt to change the window. */ | |
1370 | ||
1371 | void | |
f676886a JB |
1372 | x_set_foreground_color (f, arg, oldval) |
1373 | struct frame *f; | |
01f1ba30 JB |
1374 | Lisp_Object arg, oldval; |
1375 | { | |
a76206dc | 1376 | unsigned long pixel |
b9dc4443 | 1377 | = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f)); |
a76206dc | 1378 | |
51a1d2d8 | 1379 | unload_color (f, f->output_data.x->foreground_pixel); |
a76206dc RS |
1380 | f->output_data.x->foreground_pixel = pixel; |
1381 | ||
fe24a618 | 1382 | if (FRAME_X_WINDOW (f) != 0) |
01f1ba30 | 1383 | { |
01f1ba30 | 1384 | BLOCK_INPUT; |
7556890b RS |
1385 | XSetForeground (FRAME_X_DISPLAY (f), f->output_data.x->normal_gc, |
1386 | f->output_data.x->foreground_pixel); | |
1387 | XSetBackground (FRAME_X_DISPLAY (f), f->output_data.x->reverse_gc, | |
1388 | f->output_data.x->foreground_pixel); | |
01f1ba30 | 1389 | UNBLOCK_INPUT; |
05c8abbe | 1390 | update_face_from_frame_parameter (f, Qforeground_color, arg); |
179956b9 | 1391 | if (FRAME_VISIBLE_P (f)) |
f676886a | 1392 | redraw_frame (f); |
01f1ba30 JB |
1393 | } |
1394 | } | |
1395 | ||
1396 | void | |
f676886a JB |
1397 | x_set_background_color (f, arg, oldval) |
1398 | struct frame *f; | |
01f1ba30 JB |
1399 | Lisp_Object arg, oldval; |
1400 | { | |
a76206dc | 1401 | unsigned long pixel |
b9dc4443 | 1402 | = x_decode_color (f, arg, WHITE_PIX_DEFAULT (f)); |
01f1ba30 | 1403 | |
51a1d2d8 | 1404 | unload_color (f, f->output_data.x->background_pixel); |
a76206dc RS |
1405 | f->output_data.x->background_pixel = pixel; |
1406 | ||
fe24a618 | 1407 | if (FRAME_X_WINDOW (f) != 0) |
01f1ba30 JB |
1408 | { |
1409 | BLOCK_INPUT; | |
b9dc4443 | 1410 | /* The main frame area. */ |
7556890b RS |
1411 | XSetBackground (FRAME_X_DISPLAY (f), f->output_data.x->normal_gc, |
1412 | f->output_data.x->background_pixel); | |
1413 | XSetForeground (FRAME_X_DISPLAY (f), f->output_data.x->reverse_gc, | |
1414 | f->output_data.x->background_pixel); | |
1415 | XSetForeground (FRAME_X_DISPLAY (f), f->output_data.x->cursor_gc, | |
1416 | f->output_data.x->background_pixel); | |
b9dc4443 | 1417 | XSetWindowBackground (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 1418 | f->output_data.x->background_pixel); |
d8acee5f KH |
1419 | { |
1420 | Lisp_Object bar; | |
1421 | for (bar = FRAME_SCROLL_BARS (f); !NILP (bar); | |
1422 | bar = XSCROLL_BAR (bar)->next) | |
b9dc4443 | 1423 | XSetWindowBackground (FRAME_X_DISPLAY (f), |
d8acee5f | 1424 | SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), |
7556890b | 1425 | f->output_data.x->background_pixel); |
d8acee5f | 1426 | } |
01f1ba30 JB |
1427 | UNBLOCK_INPUT; |
1428 | ||
05c8abbe | 1429 | update_face_from_frame_parameter (f, Qbackground_color, arg); |
ea96210c | 1430 | |
179956b9 | 1431 | if (FRAME_VISIBLE_P (f)) |
f676886a | 1432 | redraw_frame (f); |
01f1ba30 JB |
1433 | } |
1434 | } | |
1435 | ||
1436 | void | |
f676886a JB |
1437 | x_set_mouse_color (f, arg, oldval) |
1438 | struct frame *f; | |
01f1ba30 JB |
1439 | Lisp_Object arg, oldval; |
1440 | { | |
95f80c78 | 1441 | Cursor cursor, nontext_cursor, mode_cursor, cross_cursor; |
8fb4ec9c | 1442 | Cursor busy_cursor, horizontal_drag_cursor; |
1dc6cfa6 | 1443 | int count; |
51a1d2d8 KH |
1444 | unsigned long pixel = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f)); |
1445 | unsigned long mask_color = f->output_data.x->background_pixel; | |
a76206dc | 1446 | |
51a1d2d8 | 1447 | /* Don't let pointers be invisible. */ |
a76206dc RS |
1448 | if (mask_color == pixel |
1449 | && mask_color == f->output_data.x->background_pixel) | |
1450 | pixel = f->output_data.x->foreground_pixel; | |
1451 | ||
51a1d2d8 | 1452 | unload_color (f, f->output_data.x->mouse_pixel); |
a76206dc | 1453 | f->output_data.x->mouse_pixel = pixel; |
01f1ba30 JB |
1454 | |
1455 | BLOCK_INPUT; | |
fe24a618 | 1456 | |
eb8c3be9 | 1457 | /* It's not okay to crash if the user selects a screwy cursor. */ |
1dc6cfa6 | 1458 | count = x_catch_errors (FRAME_X_DISPLAY (f)); |
fe24a618 | 1459 | |
01f1ba30 JB |
1460 | if (!EQ (Qnil, Vx_pointer_shape)) |
1461 | { | |
1462 | CHECK_NUMBER (Vx_pointer_shape, 0); | |
b9dc4443 | 1463 | cursor = XCreateFontCursor (FRAME_X_DISPLAY (f), XINT (Vx_pointer_shape)); |
01f1ba30 JB |
1464 | } |
1465 | else | |
b9dc4443 | 1466 | cursor = XCreateFontCursor (FRAME_X_DISPLAY (f), XC_xterm); |
c4ec904f | 1467 | x_check_errors (FRAME_X_DISPLAY (f), "bad text pointer cursor: %s"); |
01f1ba30 JB |
1468 | |
1469 | if (!EQ (Qnil, Vx_nontext_pointer_shape)) | |
1470 | { | |
1471 | CHECK_NUMBER (Vx_nontext_pointer_shape, 0); | |
b9dc4443 | 1472 | nontext_cursor = XCreateFontCursor (FRAME_X_DISPLAY (f), |
01f1ba30 JB |
1473 | XINT (Vx_nontext_pointer_shape)); |
1474 | } | |
1475 | else | |
b9dc4443 | 1476 | nontext_cursor = XCreateFontCursor (FRAME_X_DISPLAY (f), XC_left_ptr); |
c4ec904f | 1477 | x_check_errors (FRAME_X_DISPLAY (f), "bad nontext pointer cursor: %s"); |
01f1ba30 | 1478 | |
333b20bb GM |
1479 | if (!EQ (Qnil, Vx_busy_pointer_shape)) |
1480 | { | |
1481 | CHECK_NUMBER (Vx_busy_pointer_shape, 0); | |
1482 | busy_cursor = XCreateFontCursor (FRAME_X_DISPLAY (f), | |
1483 | XINT (Vx_busy_pointer_shape)); | |
1484 | } | |
1485 | else | |
1486 | busy_cursor = XCreateFontCursor (FRAME_X_DISPLAY (f), XC_watch); | |
1487 | x_check_errors (FRAME_X_DISPLAY (f), "bad busy pointer cursor: %s"); | |
1488 | ||
1489 | x_check_errors (FRAME_X_DISPLAY (f), "bad nontext pointer cursor: %s"); | |
01f1ba30 JB |
1490 | if (!EQ (Qnil, Vx_mode_pointer_shape)) |
1491 | { | |
1492 | CHECK_NUMBER (Vx_mode_pointer_shape, 0); | |
b9dc4443 RS |
1493 | mode_cursor = XCreateFontCursor (FRAME_X_DISPLAY (f), |
1494 | XINT (Vx_mode_pointer_shape)); | |
01f1ba30 JB |
1495 | } |
1496 | else | |
b9dc4443 | 1497 | mode_cursor = XCreateFontCursor (FRAME_X_DISPLAY (f), XC_xterm); |
c4ec904f | 1498 | x_check_errors (FRAME_X_DISPLAY (f), "bad modeline pointer cursor: %s"); |
95f80c78 | 1499 | |
ca0ecbf5 | 1500 | if (!EQ (Qnil, Vx_sensitive_text_pointer_shape)) |
95f80c78 | 1501 | { |
ca0ecbf5 RS |
1502 | CHECK_NUMBER (Vx_sensitive_text_pointer_shape, 0); |
1503 | cross_cursor | |
b9dc4443 | 1504 | = XCreateFontCursor (FRAME_X_DISPLAY (f), |
ca0ecbf5 | 1505 | XINT (Vx_sensitive_text_pointer_shape)); |
95f80c78 FP |
1506 | } |
1507 | else | |
b9dc4443 | 1508 | cross_cursor = XCreateFontCursor (FRAME_X_DISPLAY (f), XC_crosshair); |
01f1ba30 | 1509 | |
8fb4ec9c GM |
1510 | if (!NILP (Vx_window_horizontal_drag_shape)) |
1511 | { | |
1512 | CHECK_NUMBER (Vx_window_horizontal_drag_shape, 0); | |
1513 | horizontal_drag_cursor | |
1514 | = XCreateFontCursor (FRAME_X_DISPLAY (f), | |
1515 | XINT (Vx_window_horizontal_drag_shape)); | |
1516 | } | |
1517 | else | |
1518 | horizontal_drag_cursor | |
1519 | = XCreateFontCursor (FRAME_X_DISPLAY (f), XC_sb_h_double_arrow); | |
1520 | ||
fe24a618 | 1521 | /* Check and report errors with the above calls. */ |
c4ec904f | 1522 | x_check_errors (FRAME_X_DISPLAY (f), "can't set cursor shape: %s"); |
1dc6cfa6 | 1523 | x_uncatch_errors (FRAME_X_DISPLAY (f), count); |
fe24a618 | 1524 | |
01f1ba30 JB |
1525 | { |
1526 | XColor fore_color, back_color; | |
1527 | ||
7556890b | 1528 | fore_color.pixel = f->output_data.x->mouse_pixel; |
a31fedb7 | 1529 | x_query_color (f, &fore_color); |
01f1ba30 | 1530 | back_color.pixel = mask_color; |
a31fedb7 GM |
1531 | x_query_color (f, &back_color); |
1532 | ||
b9dc4443 | 1533 | XRecolorCursor (FRAME_X_DISPLAY (f), cursor, |
01f1ba30 | 1534 | &fore_color, &back_color); |
b9dc4443 | 1535 | XRecolorCursor (FRAME_X_DISPLAY (f), nontext_cursor, |
01f1ba30 | 1536 | &fore_color, &back_color); |
b9dc4443 | 1537 | XRecolorCursor (FRAME_X_DISPLAY (f), mode_cursor, |
01f1ba30 | 1538 | &fore_color, &back_color); |
b9dc4443 | 1539 | XRecolorCursor (FRAME_X_DISPLAY (f), cross_cursor, |
a31fedb7 | 1540 | &fore_color, &back_color); |
333b20bb GM |
1541 | XRecolorCursor (FRAME_X_DISPLAY (f), busy_cursor, |
1542 | &fore_color, &back_color); | |
8fb4ec9c GM |
1543 | XRecolorCursor (FRAME_X_DISPLAY (f), horizontal_drag_cursor, |
1544 | &fore_color, &back_color); | |
01f1ba30 | 1545 | } |
01f1ba30 | 1546 | |
fe24a618 | 1547 | if (FRAME_X_WINDOW (f) != 0) |
333b20bb | 1548 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), cursor); |
01f1ba30 | 1549 | |
8fb4ec9c GM |
1550 | if (cursor != f->output_data.x->text_cursor |
1551 | && f->output_data.x->text_cursor != 0) | |
7556890b RS |
1552 | XFreeCursor (FRAME_X_DISPLAY (f), f->output_data.x->text_cursor); |
1553 | f->output_data.x->text_cursor = cursor; | |
3457bc6e | 1554 | |
7556890b RS |
1555 | if (nontext_cursor != f->output_data.x->nontext_cursor |
1556 | && f->output_data.x->nontext_cursor != 0) | |
1557 | XFreeCursor (FRAME_X_DISPLAY (f), f->output_data.x->nontext_cursor); | |
1558 | f->output_data.x->nontext_cursor = nontext_cursor; | |
f676886a | 1559 | |
333b20bb GM |
1560 | if (busy_cursor != f->output_data.x->busy_cursor |
1561 | && f->output_data.x->busy_cursor != 0) | |
1562 | XFreeCursor (FRAME_X_DISPLAY (f), f->output_data.x->busy_cursor); | |
1563 | f->output_data.x->busy_cursor = busy_cursor; | |
1564 | ||
7556890b RS |
1565 | if (mode_cursor != f->output_data.x->modeline_cursor |
1566 | && f->output_data.x->modeline_cursor != 0) | |
1567 | XFreeCursor (FRAME_X_DISPLAY (f), f->output_data.x->modeline_cursor); | |
1568 | f->output_data.x->modeline_cursor = mode_cursor; | |
333b20bb | 1569 | |
7556890b RS |
1570 | if (cross_cursor != f->output_data.x->cross_cursor |
1571 | && f->output_data.x->cross_cursor != 0) | |
1572 | XFreeCursor (FRAME_X_DISPLAY (f), f->output_data.x->cross_cursor); | |
1573 | f->output_data.x->cross_cursor = cross_cursor; | |
01f1ba30 | 1574 | |
8fb4ec9c GM |
1575 | if (horizontal_drag_cursor != f->output_data.x->horizontal_drag_cursor |
1576 | && f->output_data.x->horizontal_drag_cursor != 0) | |
1577 | XFreeCursor (FRAME_X_DISPLAY (f), f->output_data.x->horizontal_drag_cursor); | |
1578 | f->output_data.x->horizontal_drag_cursor = horizontal_drag_cursor; | |
1579 | ||
b9dc4443 | 1580 | XFlush (FRAME_X_DISPLAY (f)); |
01f1ba30 | 1581 | UNBLOCK_INPUT; |
05c8abbe GM |
1582 | |
1583 | update_face_from_frame_parameter (f, Qmouse_color, arg); | |
01f1ba30 JB |
1584 | } |
1585 | ||
1586 | void | |
f676886a JB |
1587 | x_set_cursor_color (f, arg, oldval) |
1588 | struct frame *f; | |
01f1ba30 JB |
1589 | Lisp_Object arg, oldval; |
1590 | { | |
a76206dc | 1591 | unsigned long fore_pixel, pixel; |
10168ebb | 1592 | int fore_pixel_allocated_p = 0, pixel_allocated_p = 0; |
01f1ba30 | 1593 | |
10168ebb GM |
1594 | if (!NILP (Vx_cursor_fore_pixel)) |
1595 | { | |
1596 | fore_pixel = x_decode_color (f, Vx_cursor_fore_pixel, | |
1597 | WHITE_PIX_DEFAULT (f)); | |
1598 | fore_pixel_allocated_p = 1; | |
1599 | } | |
01f1ba30 | 1600 | else |
7556890b | 1601 | fore_pixel = f->output_data.x->background_pixel; |
10168ebb | 1602 | |
a76206dc | 1603 | pixel = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f)); |
10168ebb | 1604 | pixel_allocated_p = 1; |
a76206dc | 1605 | |
f9942c9e | 1606 | /* Make sure that the cursor color differs from the background color. */ |
a76206dc | 1607 | if (pixel == f->output_data.x->background_pixel) |
01f1ba30 | 1608 | { |
10168ebb GM |
1609 | if (pixel_allocated_p) |
1610 | { | |
1611 | x_free_colors (f, &pixel, 1); | |
1612 | pixel_allocated_p = 0; | |
1613 | } | |
1614 | ||
a76206dc RS |
1615 | pixel = f->output_data.x->mouse_pixel; |
1616 | if (pixel == fore_pixel) | |
10168ebb GM |
1617 | { |
1618 | if (fore_pixel_allocated_p) | |
1619 | { | |
1620 | x_free_colors (f, &fore_pixel, 1); | |
1621 | fore_pixel_allocated_p = 0; | |
1622 | } | |
1623 | fore_pixel = f->output_data.x->background_pixel; | |
1624 | } | |
01f1ba30 | 1625 | } |
a76206dc | 1626 | |
51a1d2d8 | 1627 | unload_color (f, f->output_data.x->cursor_foreground_pixel); |
10168ebb GM |
1628 | if (!fore_pixel_allocated_p) |
1629 | fore_pixel = x_copy_color (f, fore_pixel); | |
7556890b | 1630 | f->output_data.x->cursor_foreground_pixel = fore_pixel; |
01f1ba30 | 1631 | |
51a1d2d8 | 1632 | unload_color (f, f->output_data.x->cursor_pixel); |
10168ebb GM |
1633 | if (!pixel_allocated_p) |
1634 | pixel = x_copy_color (f, pixel); | |
a76206dc RS |
1635 | f->output_data.x->cursor_pixel = pixel; |
1636 | ||
fe24a618 | 1637 | if (FRAME_X_WINDOW (f) != 0) |
01f1ba30 | 1638 | { |
01f1ba30 | 1639 | BLOCK_INPUT; |
7556890b RS |
1640 | XSetBackground (FRAME_X_DISPLAY (f), f->output_data.x->cursor_gc, |
1641 | f->output_data.x->cursor_pixel); | |
1642 | XSetForeground (FRAME_X_DISPLAY (f), f->output_data.x->cursor_gc, | |
01f1ba30 JB |
1643 | fore_pixel); |
1644 | UNBLOCK_INPUT; | |
01f1ba30 | 1645 | |
179956b9 | 1646 | if (FRAME_VISIBLE_P (f)) |
01f1ba30 | 1647 | { |
cedadcfa RS |
1648 | x_update_cursor (f, 0); |
1649 | x_update_cursor (f, 1); | |
01f1ba30 JB |
1650 | } |
1651 | } | |
05c8abbe GM |
1652 | |
1653 | update_face_from_frame_parameter (f, Qcursor_color, arg); | |
01f1ba30 | 1654 | } |
943b580d | 1655 | \f |
f676886a | 1656 | /* Set the border-color of frame F to value described by ARG. |
01f1ba30 JB |
1657 | ARG can be a string naming a color. |
1658 | The border-color is used for the border that is drawn by the X server. | |
1659 | Note that this does not fully take effect if done before | |
f676886a | 1660 | F has an x-window; it must be redone when the window is created. |
01f1ba30 JB |
1661 | |
1662 | Note: this is done in two routines because of the way X10 works. | |
1663 | ||
1664 | Note: under X11, this is normally the province of the window manager, | |
b9dc4443 | 1665 | and so emacs' border colors may be overridden. */ |
01f1ba30 JB |
1666 | |
1667 | void | |
f676886a JB |
1668 | x_set_border_color (f, arg, oldval) |
1669 | struct frame *f; | |
01f1ba30 JB |
1670 | Lisp_Object arg, oldval; |
1671 | { | |
01f1ba30 JB |
1672 | int pix; |
1673 | ||
1674 | CHECK_STRING (arg, 0); | |
b9dc4443 | 1675 | pix = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f)); |
f676886a | 1676 | x_set_border_pixel (f, pix); |
05c8abbe | 1677 | update_face_from_frame_parameter (f, Qborder_color, arg); |
01f1ba30 JB |
1678 | } |
1679 | ||
f676886a | 1680 | /* Set the border-color of frame F to pixel value PIX. |
01f1ba30 | 1681 | Note that this does not fully take effect if done before |
f676886a | 1682 | F has an x-window. */ |
01f1ba30 | 1683 | |
968b1234 | 1684 | void |
f676886a JB |
1685 | x_set_border_pixel (f, pix) |
1686 | struct frame *f; | |
01f1ba30 JB |
1687 | int pix; |
1688 | { | |
a76206dc | 1689 | unload_color (f, f->output_data.x->border_pixel); |
7556890b | 1690 | f->output_data.x->border_pixel = pix; |
01f1ba30 | 1691 | |
7556890b | 1692 | if (FRAME_X_WINDOW (f) != 0 && f->output_data.x->border_width > 0) |
01f1ba30 | 1693 | { |
01f1ba30 | 1694 | BLOCK_INPUT; |
b9dc4443 | 1695 | XSetWindowBorder (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
270958e8 | 1696 | (unsigned long)pix); |
01f1ba30 JB |
1697 | UNBLOCK_INPUT; |
1698 | ||
179956b9 | 1699 | if (FRAME_VISIBLE_P (f)) |
f676886a | 1700 | redraw_frame (f); |
01f1ba30 JB |
1701 | } |
1702 | } | |
1703 | ||
0d1469d6 GM |
1704 | |
1705 | /* Value is the internal representation of the specified cursor type | |
1706 | ARG. If type is BAR_CURSOR, return in *WIDTH the specified width | |
1707 | of the bar cursor. */ | |
1708 | ||
1709 | enum text_cursor_kinds | |
1710 | x_specified_cursor_type (arg, width) | |
1711 | Lisp_Object arg; | |
1712 | int *width; | |
dbc4e1c1 | 1713 | { |
0d1469d6 GM |
1714 | enum text_cursor_kinds type; |
1715 | ||
dbc4e1c1 | 1716 | if (EQ (arg, Qbar)) |
c3211206 | 1717 | { |
0d1469d6 GM |
1718 | type = BAR_CURSOR; |
1719 | *width = 2; | |
c3211206 | 1720 | } |
08ac8554 GM |
1721 | else if (CONSP (arg) |
1722 | && EQ (XCAR (arg), Qbar) | |
1723 | && INTEGERP (XCDR (arg)) | |
1724 | && XINT (XCDR (arg)) >= 0) | |
c3211206 | 1725 | { |
0d1469d6 GM |
1726 | type = BAR_CURSOR; |
1727 | *width = XINT (XCDR (arg)); | |
c3211206 | 1728 | } |
08ac8554 | 1729 | else if (NILP (arg)) |
0d1469d6 | 1730 | type = NO_CURSOR; |
dbc4e1c1 | 1731 | else |
c3211206 RS |
1732 | /* Treat anything unknown as "box cursor". |
1733 | It was bad to signal an error; people have trouble fixing | |
1734 | .Xdefaults with Emacs, when it has something bad in it. */ | |
0d1469d6 GM |
1735 | type = FILLED_BOX_CURSOR; |
1736 | ||
1737 | return type; | |
1738 | } | |
1739 | ||
1740 | void | |
1741 | x_set_cursor_type (f, arg, oldval) | |
1742 | FRAME_PTR f; | |
1743 | Lisp_Object arg, oldval; | |
1744 | { | |
1745 | int width; | |
1746 | ||
1747 | FRAME_DESIRED_CURSOR (f) = x_specified_cursor_type (arg, &width); | |
1748 | f->output_data.x->cursor_width = width; | |
dbc4e1c1 JB |
1749 | |
1750 | /* Make sure the cursor gets redrawn. This is overkill, but how | |
1751 | often do people change cursor types? */ | |
1752 | update_mode_lines++; | |
1753 | } | |
943b580d | 1754 | \f |
01f1ba30 | 1755 | void |
f676886a JB |
1756 | x_set_icon_type (f, arg, oldval) |
1757 | struct frame *f; | |
01f1ba30 JB |
1758 | Lisp_Object arg, oldval; |
1759 | { | |
01f1ba30 JB |
1760 | int result; |
1761 | ||
203c1d73 RS |
1762 | if (STRINGP (arg)) |
1763 | { | |
1764 | if (STRINGP (oldval) && EQ (Fstring_equal (oldval, arg), Qt)) | |
1765 | return; | |
1766 | } | |
1767 | else if (!STRINGP (oldval) && EQ (oldval, Qnil) == EQ (arg, Qnil)) | |
01f1ba30 JB |
1768 | return; |
1769 | ||
1770 | BLOCK_INPUT; | |
265a9e55 | 1771 | if (NILP (arg)) |
80534dd6 | 1772 | result = x_text_icon (f, |
f468da95 RS |
1773 | (char *) XSTRING ((!NILP (f->icon_name) |
1774 | ? f->icon_name | |
80534dd6 | 1775 | : f->name))->data); |
f1c7b5a6 RS |
1776 | else |
1777 | result = x_bitmap_icon (f, arg); | |
01f1ba30 JB |
1778 | |
1779 | if (result) | |
1780 | { | |
01f1ba30 | 1781 | UNBLOCK_INPUT; |
0fb53770 | 1782 | error ("No icon window available"); |
01f1ba30 JB |
1783 | } |
1784 | ||
b9dc4443 | 1785 | XFlush (FRAME_X_DISPLAY (f)); |
01f1ba30 JB |
1786 | UNBLOCK_INPUT; |
1787 | } | |
1788 | ||
f1c7b5a6 | 1789 | /* Return non-nil if frame F wants a bitmap icon. */ |
0fb53770 | 1790 | |
f1c7b5a6 | 1791 | Lisp_Object |
0fb53770 RS |
1792 | x_icon_type (f) |
1793 | FRAME_PTR f; | |
1794 | { | |
1795 | Lisp_Object tem; | |
1796 | ||
1797 | tem = assq_no_quit (Qicon_type, f->param_alist); | |
f1c7b5a6 | 1798 | if (CONSP (tem)) |
8e713be6 | 1799 | return XCDR (tem); |
f1c7b5a6 RS |
1800 | else |
1801 | return Qnil; | |
0fb53770 RS |
1802 | } |
1803 | ||
80534dd6 KH |
1804 | void |
1805 | x_set_icon_name (f, arg, oldval) | |
1806 | struct frame *f; | |
1807 | Lisp_Object arg, oldval; | |
1808 | { | |
80534dd6 KH |
1809 | int result; |
1810 | ||
1811 | if (STRINGP (arg)) | |
1812 | { | |
1813 | if (STRINGP (oldval) && EQ (Fstring_equal (oldval, arg), Qt)) | |
1814 | return; | |
1815 | } | |
1816 | else if (!STRINGP (oldval) && EQ (oldval, Qnil) == EQ (arg, Qnil)) | |
1817 | return; | |
1818 | ||
f468da95 | 1819 | f->icon_name = arg; |
80534dd6 | 1820 | |
7556890b | 1821 | if (f->output_data.x->icon_bitmap != 0) |
80534dd6 KH |
1822 | return; |
1823 | ||
1824 | BLOCK_INPUT; | |
1825 | ||
1826 | result = x_text_icon (f, | |
f468da95 RS |
1827 | (char *) XSTRING ((!NILP (f->icon_name) |
1828 | ? f->icon_name | |
943b580d RS |
1829 | : !NILP (f->title) |
1830 | ? f->title | |
80534dd6 KH |
1831 | : f->name))->data); |
1832 | ||
1833 | if (result) | |
1834 | { | |
1835 | UNBLOCK_INPUT; | |
1836 | error ("No icon window available"); | |
1837 | } | |
1838 | ||
80534dd6 KH |
1839 | XFlush (FRAME_X_DISPLAY (f)); |
1840 | UNBLOCK_INPUT; | |
1841 | } | |
943b580d | 1842 | \f |
01f1ba30 | 1843 | void |
f676886a JB |
1844 | x_set_font (f, arg, oldval) |
1845 | struct frame *f; | |
01f1ba30 JB |
1846 | Lisp_Object arg, oldval; |
1847 | { | |
ea96210c | 1848 | Lisp_Object result; |
942ea06d | 1849 | Lisp_Object fontset_name; |
a367641f | 1850 | Lisp_Object frame; |
01f1ba30 JB |
1851 | |
1852 | CHECK_STRING (arg, 1); | |
01f1ba30 | 1853 | |
49965a29 | 1854 | fontset_name = Fquery_fontset (arg, Qnil); |
942ea06d | 1855 | |
01f1ba30 | 1856 | BLOCK_INPUT; |
942ea06d KH |
1857 | result = (STRINGP (fontset_name) |
1858 | ? x_new_fontset (f, XSTRING (fontset_name)->data) | |
1859 | : x_new_font (f, XSTRING (arg)->data)); | |
01f1ba30 JB |
1860 | UNBLOCK_INPUT; |
1861 | ||
ea96210c | 1862 | if (EQ (result, Qnil)) |
1c59f5df | 1863 | error ("Font `%s' is not defined", XSTRING (arg)->data); |
ea96210c | 1864 | else if (EQ (result, Qt)) |
26e18ed9 | 1865 | error ("The characters of the given font have varying widths"); |
ea96210c JB |
1866 | else if (STRINGP (result)) |
1867 | { | |
ea96210c | 1868 | store_frame_param (f, Qfont, result); |
333b20bb | 1869 | recompute_basic_faces (f); |
ea96210c JB |
1870 | } |
1871 | else | |
1872 | abort (); | |
a367641f | 1873 | |
8938a4fb | 1874 | do_pending_window_change (0); |
95aa0336 | 1875 | |
333b20bb GM |
1876 | /* Don't call `face-set-after-frame-default' when faces haven't been |
1877 | initialized yet. This is the case when called from | |
1878 | Fx_create_frame. In that case, the X widget or window doesn't | |
1879 | exist either, and we can end up in x_report_frame_params with a | |
1880 | null widget which gives a segfault. */ | |
1881 | if (FRAME_FACE_CACHE (f)) | |
1882 | { | |
1883 | XSETFRAME (frame, f); | |
1884 | call1 (Qface_set_after_frame_default, frame); | |
1885 | } | |
01f1ba30 JB |
1886 | } |
1887 | ||
1888 | void | |
f676886a JB |
1889 | x_set_border_width (f, arg, oldval) |
1890 | struct frame *f; | |
01f1ba30 JB |
1891 | Lisp_Object arg, oldval; |
1892 | { | |
1893 | CHECK_NUMBER (arg, 0); | |
1894 | ||
7556890b | 1895 | if (XINT (arg) == f->output_data.x->border_width) |
01f1ba30 JB |
1896 | return; |
1897 | ||
fe24a618 | 1898 | if (FRAME_X_WINDOW (f) != 0) |
01f1ba30 JB |
1899 | error ("Cannot change the border width of a window"); |
1900 | ||
7556890b | 1901 | f->output_data.x->border_width = XINT (arg); |
01f1ba30 JB |
1902 | } |
1903 | ||
1904 | void | |
f676886a JB |
1905 | x_set_internal_border_width (f, arg, oldval) |
1906 | struct frame *f; | |
01f1ba30 JB |
1907 | Lisp_Object arg, oldval; |
1908 | { | |
7556890b | 1909 | int old = f->output_data.x->internal_border_width; |
01f1ba30 JB |
1910 | |
1911 | CHECK_NUMBER (arg, 0); | |
7556890b RS |
1912 | f->output_data.x->internal_border_width = XINT (arg); |
1913 | if (f->output_data.x->internal_border_width < 0) | |
1914 | f->output_data.x->internal_border_width = 0; | |
01f1ba30 | 1915 | |
d3b06468 | 1916 | #ifdef USE_X_TOOLKIT |
2a8a07d4 | 1917 | if (f->output_data.x->edit_widget) |
968b1234 | 1918 | widget_store_internal_border (f->output_data.x->edit_widget); |
d3b06468 | 1919 | #endif |
2a8a07d4 | 1920 | |
7556890b | 1921 | if (f->output_data.x->internal_border_width == old) |
01f1ba30 JB |
1922 | return; |
1923 | ||
fe24a618 | 1924 | if (FRAME_X_WINDOW (f) != 0) |
01f1ba30 | 1925 | { |
363f7e15 | 1926 | x_set_window_size (f, 0, f->width, f->height); |
f676886a | 1927 | SET_FRAME_GARBAGED (f); |
8938a4fb | 1928 | do_pending_window_change (0); |
01f1ba30 JB |
1929 | } |
1930 | } | |
1931 | ||
d043f1a4 RS |
1932 | void |
1933 | x_set_visibility (f, value, oldval) | |
1934 | struct frame *f; | |
1935 | Lisp_Object value, oldval; | |
1936 | { | |
1937 | Lisp_Object frame; | |
191ed777 | 1938 | XSETFRAME (frame, f); |
d043f1a4 RS |
1939 | |
1940 | if (NILP (value)) | |
363f7e15 | 1941 | Fmake_frame_invisible (frame, Qt); |
49795535 | 1942 | else if (EQ (value, Qicon)) |
d043f1a4 | 1943 | Ficonify_frame (frame); |
49795535 JB |
1944 | else |
1945 | Fmake_frame_visible (frame); | |
d043f1a4 | 1946 | } |
52de7ce9 | 1947 | |
943b580d | 1948 | \f |
52de7ce9 GM |
1949 | /* Change window heights in windows rooted in WINDOW by N lines. */ |
1950 | ||
d043f1a4 | 1951 | static void |
52de7ce9 | 1952 | x_change_window_heights (window, n) |
d043f1a4 RS |
1953 | Lisp_Object window; |
1954 | int n; | |
1955 | { | |
47c0f58b | 1956 | struct window *w = XWINDOW (window); |
d043f1a4 | 1957 | |
e33f7330 KH |
1958 | XSETFASTINT (w->top, XFASTINT (w->top) + n); |
1959 | XSETFASTINT (w->height, XFASTINT (w->height) - n); | |
d043f1a4 | 1960 | |
4336c705 GM |
1961 | if (INTEGERP (w->orig_top)) |
1962 | XSETFASTINT (w->orig_top, XFASTINT (w->orig_top) + n); | |
1963 | if (INTEGERP (w->orig_height)) | |
1964 | XSETFASTINT (w->orig_height, XFASTINT (w->orig_height) - n); | |
1965 | ||
47c0f58b RS |
1966 | /* Handle just the top child in a vertical split. */ |
1967 | if (!NILP (w->vchild)) | |
52de7ce9 | 1968 | x_change_window_heights (w->vchild, n); |
d043f1a4 | 1969 | |
47c0f58b RS |
1970 | /* Adjust all children in a horizontal split. */ |
1971 | for (window = w->hchild; !NILP (window); window = w->next) | |
1972 | { | |
1973 | w = XWINDOW (window); | |
52de7ce9 | 1974 | x_change_window_heights (window, n); |
d043f1a4 RS |
1975 | } |
1976 | } | |
1977 | ||
1978 | void | |
1979 | x_set_menu_bar_lines (f, value, oldval) | |
1980 | struct frame *f; | |
1981 | Lisp_Object value, oldval; | |
1982 | { | |
1983 | int nlines; | |
b6d7acec | 1984 | #ifndef USE_X_TOOLKIT |
d043f1a4 | 1985 | int olines = FRAME_MENU_BAR_LINES (f); |
b6d7acec | 1986 | #endif |
d043f1a4 | 1987 | |
f64ba6ea JB |
1988 | /* Right now, menu bars don't work properly in minibuf-only frames; |
1989 | most of the commands try to apply themselves to the minibuffer | |
333b20bb | 1990 | frame itself, and get an error because you can't switch buffers |
f64ba6ea | 1991 | in or split the minibuffer window. */ |
519066d2 | 1992 | if (FRAME_MINIBUF_ONLY_P (f)) |
f64ba6ea JB |
1993 | return; |
1994 | ||
6a5e54e2 | 1995 | if (INTEGERP (value)) |
d043f1a4 RS |
1996 | nlines = XINT (value); |
1997 | else | |
1998 | nlines = 0; | |
1999 | ||
3d09b6be RS |
2000 | /* Make sure we redisplay all windows in this frame. */ |
2001 | windows_or_buffers_changed++; | |
2002 | ||
9ef48a9d RS |
2003 | #ifdef USE_X_TOOLKIT |
2004 | FRAME_MENU_BAR_LINES (f) = 0; | |
2005 | if (nlines) | |
0d8ef3f4 RS |
2006 | { |
2007 | FRAME_EXTERNAL_MENU_BAR (f) = 1; | |
97a1ff91 | 2008 | if (FRAME_X_P (f) && f->output_data.x->menubar_widget == 0) |
0d8ef3f4 RS |
2009 | /* Make sure next redisplay shows the menu bar. */ |
2010 | XWINDOW (FRAME_SELECTED_WINDOW (f))->update_mode_line = Qt; | |
2011 | } | |
9ef48a9d RS |
2012 | else |
2013 | { | |
6bc20398 FP |
2014 | if (FRAME_EXTERNAL_MENU_BAR (f) == 1) |
2015 | free_frame_menubar (f); | |
9ef48a9d | 2016 | FRAME_EXTERNAL_MENU_BAR (f) = 0; |
97a1ff91 RS |
2017 | if (FRAME_X_P (f)) |
2018 | f->output_data.x->menubar_widget = 0; | |
9ef48a9d RS |
2019 | } |
2020 | #else /* not USE_X_TOOLKIT */ | |
d043f1a4 | 2021 | FRAME_MENU_BAR_LINES (f) = nlines; |
52de7ce9 | 2022 | x_change_window_heights (f->root_window, nlines - olines); |
9ef48a9d | 2023 | #endif /* not USE_X_TOOLKIT */ |
333b20bb GM |
2024 | adjust_glyphs (f); |
2025 | } | |
2026 | ||
2027 | ||
2028 | /* Set the number of lines used for the tool bar of frame F to VALUE. | |
2029 | VALUE not an integer, or < 0 means set the lines to zero. OLDVAL | |
2030 | is the old number of tool bar lines. This function changes the | |
2031 | height of all windows on frame F to match the new tool bar height. | |
2032 | The frame's height doesn't change. */ | |
2033 | ||
2034 | void | |
9ea173e8 | 2035 | x_set_tool_bar_lines (f, value, oldval) |
333b20bb GM |
2036 | struct frame *f; |
2037 | Lisp_Object value, oldval; | |
2038 | { | |
52de7ce9 GM |
2039 | int delta, nlines, root_height; |
2040 | Lisp_Object root_window; | |
333b20bb GM |
2041 | |
2042 | /* Use VALUE only if an integer >= 0. */ | |
2043 | if (INTEGERP (value) && XINT (value) >= 0) | |
2044 | nlines = XFASTINT (value); | |
2045 | else | |
2046 | nlines = 0; | |
2047 | ||
2048 | /* Make sure we redisplay all windows in this frame. */ | |
2049 | ++windows_or_buffers_changed; | |
2050 | ||
9ea173e8 | 2051 | delta = nlines - FRAME_TOOL_BAR_LINES (f); |
52de7ce9 GM |
2052 | |
2053 | /* Don't resize the tool-bar to more than we have room for. */ | |
2054 | root_window = FRAME_ROOT_WINDOW (f); | |
2055 | root_height = XINT (XWINDOW (root_window)->height); | |
2056 | if (root_height - delta < 1) | |
2057 | { | |
2058 | delta = root_height - 1; | |
2059 | nlines = FRAME_TOOL_BAR_LINES (f) + delta; | |
2060 | } | |
2061 | ||
9ea173e8 | 2062 | FRAME_TOOL_BAR_LINES (f) = nlines; |
52de7ce9 | 2063 | x_change_window_heights (root_window, delta); |
333b20bb | 2064 | adjust_glyphs (f); |
ccba751c GM |
2065 | |
2066 | /* We also have to make sure that the internal border at the top of | |
2067 | the frame, below the menu bar or tool bar, is redrawn when the | |
2068 | tool bar disappears. This is so because the internal border is | |
2069 | below the tool bar if one is displayed, but is below the menu bar | |
2070 | if there isn't a tool bar. The tool bar draws into the area | |
2071 | below the menu bar. */ | |
2072 | if (FRAME_X_WINDOW (f) && FRAME_TOOL_BAR_LINES (f) == 0) | |
2073 | { | |
2074 | updating_frame = f; | |
2075 | clear_frame (); | |
fb3cd89b | 2076 | clear_current_matrices (f); |
ccba751c GM |
2077 | updating_frame = NULL; |
2078 | } | |
b6f91066 GM |
2079 | |
2080 | /* If the tool bar gets smaller, the internal border below it | |
2081 | has to be cleared. It was formerly part of the display | |
2082 | of the larger tool bar, and updating windows won't clear it. */ | |
2083 | if (delta < 0) | |
2084 | { | |
2085 | int height = FRAME_INTERNAL_BORDER_WIDTH (f); | |
2086 | int width = PIXEL_WIDTH (f); | |
2087 | int y = nlines * CANON_Y_UNIT (f); | |
2088 | ||
2089 | BLOCK_INPUT; | |
2090 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
2091 | 0, y, width, height, False); | |
2092 | UNBLOCK_INPUT; | |
2093 | } | |
333b20bb GM |
2094 | } |
2095 | ||
2096 | ||
2097 | /* Set the foreground color for scroll bars on frame F to VALUE. | |
2098 | VALUE should be a string, a color name. If it isn't a string or | |
2099 | isn't a valid color name, do nothing. OLDVAL is the old value of | |
2100 | the frame parameter. */ | |
2101 | ||
2102 | void | |
2103 | x_set_scroll_bar_foreground (f, value, oldval) | |
2104 | struct frame *f; | |
2105 | Lisp_Object value, oldval; | |
2106 | { | |
2107 | unsigned long pixel; | |
2108 | ||
2109 | if (STRINGP (value)) | |
2110 | pixel = x_decode_color (f, value, BLACK_PIX_DEFAULT (f)); | |
2111 | else | |
2112 | pixel = -1; | |
2113 | ||
2114 | if (f->output_data.x->scroll_bar_foreground_pixel != -1) | |
2115 | unload_color (f, f->output_data.x->scroll_bar_foreground_pixel); | |
2116 | ||
2117 | f->output_data.x->scroll_bar_foreground_pixel = pixel; | |
2118 | if (FRAME_X_WINDOW (f) && FRAME_VISIBLE_P (f)) | |
2119 | { | |
2120 | /* Remove all scroll bars because they have wrong colors. */ | |
2121 | if (condemn_scroll_bars_hook) | |
2122 | (*condemn_scroll_bars_hook) (f); | |
2123 | if (judge_scroll_bars_hook) | |
2124 | (*judge_scroll_bars_hook) (f); | |
05c8abbe GM |
2125 | |
2126 | update_face_from_frame_parameter (f, Qscroll_bar_foreground, value); | |
333b20bb GM |
2127 | redraw_frame (f); |
2128 | } | |
2129 | } | |
2130 | ||
2131 | ||
2132 | /* Set the background color for scroll bars on frame F to VALUE VALUE | |
2133 | should be a string, a color name. If it isn't a string or isn't a | |
2134 | valid color name, do nothing. OLDVAL is the old value of the frame | |
2135 | parameter. */ | |
2136 | ||
2137 | void | |
2138 | x_set_scroll_bar_background (f, value, oldval) | |
2139 | struct frame *f; | |
2140 | Lisp_Object value, oldval; | |
2141 | { | |
2142 | unsigned long pixel; | |
2143 | ||
2144 | if (STRINGP (value)) | |
2145 | pixel = x_decode_color (f, value, WHITE_PIX_DEFAULT (f)); | |
2146 | else | |
2147 | pixel = -1; | |
2148 | ||
2149 | if (f->output_data.x->scroll_bar_background_pixel != -1) | |
2150 | unload_color (f, f->output_data.x->scroll_bar_background_pixel); | |
2151 | ||
2152 | f->output_data.x->scroll_bar_background_pixel = pixel; | |
2153 | if (FRAME_X_WINDOW (f) && FRAME_VISIBLE_P (f)) | |
2154 | { | |
2155 | /* Remove all scroll bars because they have wrong colors. */ | |
2156 | if (condemn_scroll_bars_hook) | |
2157 | (*condemn_scroll_bars_hook) (f); | |
2158 | if (judge_scroll_bars_hook) | |
2159 | (*judge_scroll_bars_hook) (f); | |
2160 | ||
05c8abbe | 2161 | update_face_from_frame_parameter (f, Qscroll_bar_background, value); |
333b20bb GM |
2162 | redraw_frame (f); |
2163 | } | |
d043f1a4 | 2164 | } |
333b20bb | 2165 | |
943b580d | 2166 | \f |
3a258507 | 2167 | /* Encode Lisp string STRING as a text in a format appropriate for |
96db09e4 KH |
2168 | XICCC (X Inter Client Communication Conventions). |
2169 | ||
2170 | If STRING contains only ASCII characters, do no conversion and | |
2171 | return the string data of STRING. Otherwise, encode the text by | |
2172 | CODING_SYSTEM, and return a newly allocated memory area which | |
2173 | should be freed by `xfree' by a caller. | |
2174 | ||
2175 | Store the byte length of resulting text in *TEXT_BYTES. | |
2176 | ||
d60660d6 | 2177 | If the text contains only ASCII and Latin-1, store 1 in *STRING_P, |
96db09e4 | 2178 | which means that the `encoding' of the result can be `STRING'. |
d60660d6 | 2179 | Otherwise store 0 in *STRINGP, which means that the `encoding' of |
96db09e4 KH |
2180 | the result should be `COMPOUND_TEXT'. */ |
2181 | ||
2182 | unsigned char * | |
d60660d6 | 2183 | x_encode_text (string, coding_system, text_bytes, stringp) |
96db09e4 | 2184 | Lisp_Object string, coding_system; |
d60660d6 | 2185 | int *text_bytes, *stringp; |
96db09e4 KH |
2186 | { |
2187 | unsigned char *str = XSTRING (string)->data; | |
2188 | int chars = XSTRING (string)->size; | |
2189 | int bytes = STRING_BYTES (XSTRING (string)); | |
2190 | int charset_info; | |
2191 | int bufsize; | |
2192 | unsigned char *buf; | |
2193 | struct coding_system coding; | |
2194 | ||
2195 | charset_info = find_charset_in_text (str, chars, bytes, NULL, Qnil); | |
2196 | if (charset_info == 0) | |
2197 | { | |
2198 | /* No multibyte character in OBJ. We need not encode it. */ | |
2199 | *text_bytes = bytes; | |
d60660d6 | 2200 | *stringp = 1; |
96db09e4 KH |
2201 | return str; |
2202 | } | |
2203 | ||
2204 | setup_coding_system (coding_system, &coding); | |
2205 | coding.src_multibyte = 1; | |
2206 | coding.dst_multibyte = 0; | |
2207 | coding.mode |= CODING_MODE_LAST_BLOCK; | |
d60660d6 KH |
2208 | if (coding.type == coding_type_iso2022) |
2209 | coding.flags |= CODING_FLAG_ISO_SAFE; | |
35bc5887 KH |
2210 | /* We suppress producing escape sequences for composition. */ |
2211 | coding.composing = COMPOSITION_DISABLED; | |
96db09e4 KH |
2212 | bufsize = encoding_buffer_size (&coding, bytes); |
2213 | buf = (unsigned char *) xmalloc (bufsize); | |
2214 | encode_coding (&coding, str, buf, bytes, bufsize); | |
2215 | *text_bytes = coding.produced; | |
d60660d6 | 2216 | *stringp = (charset_info == 1 || !EQ (coding_system, Qcompound_text)); |
96db09e4 KH |
2217 | return buf; |
2218 | } | |
2219 | ||
2220 | \f | |
75f9d625 | 2221 | /* Change the name of frame F to NAME. If NAME is nil, set F's name to |
f945b920 JB |
2222 | x_id_name. |
2223 | ||
2224 | If EXPLICIT is non-zero, that indicates that lisp code is setting the | |
75f9d625 DM |
2225 | name; if NAME is a string, set F's name to NAME and set |
2226 | F->explicit_name; if NAME is Qnil, then clear F->explicit_name. | |
f945b920 JB |
2227 | |
2228 | If EXPLICIT is zero, that indicates that Emacs redisplay code is | |
2229 | suggesting a new name, which lisp code should override; if | |
2230 | F->explicit_name is set, ignore the new name; otherwise, set it. */ | |
2231 | ||
2232 | void | |
2233 | x_set_name (f, name, explicit) | |
2234 | struct frame *f; | |
2235 | Lisp_Object name; | |
2236 | int explicit; | |
2237 | { | |
2238 | /* Make sure that requests from lisp code override requests from | |
2239 | Emacs redisplay code. */ | |
2240 | if (explicit) | |
2241 | { | |
2242 | /* If we're switching from explicit to implicit, we had better | |
2243 | update the mode lines and thereby update the title. */ | |
2244 | if (f->explicit_name && NILP (name)) | |
cf177271 | 2245 | update_mode_lines = 1; |
f945b920 JB |
2246 | |
2247 | f->explicit_name = ! NILP (name); | |
2248 | } | |
2249 | else if (f->explicit_name) | |
2250 | return; | |
2251 | ||
2252 | /* If NAME is nil, set the name to the x_id_name. */ | |
2253 | if (NILP (name)) | |
f10f0b79 RS |
2254 | { |
2255 | /* Check for no change needed in this very common case | |
2256 | before we do any consing. */ | |
08a90d6a RS |
2257 | if (!strcmp (FRAME_X_DISPLAY_INFO (f)->x_id_name, |
2258 | XSTRING (f->name)->data)) | |
f10f0b79 | 2259 | return; |
08a90d6a | 2260 | name = build_string (FRAME_X_DISPLAY_INFO (f)->x_id_name); |
f10f0b79 | 2261 | } |
62265f1c | 2262 | else |
f945b920 | 2263 | CHECK_STRING (name, 0); |
01f1ba30 | 2264 | |
f945b920 JB |
2265 | /* Don't change the name if it's already NAME. */ |
2266 | if (! NILP (Fstring_equal (name, f->name))) | |
daa37602 JB |
2267 | return; |
2268 | ||
943b580d RS |
2269 | f->name = name; |
2270 | ||
2271 | /* For setting the frame title, the title parameter should override | |
2272 | the name parameter. */ | |
2273 | if (! NILP (f->title)) | |
2274 | name = f->title; | |
2275 | ||
fe24a618 | 2276 | if (FRAME_X_WINDOW (f)) |
01f1ba30 | 2277 | { |
01f1ba30 | 2278 | BLOCK_INPUT; |
fe24a618 JB |
2279 | #ifdef HAVE_X11R4 |
2280 | { | |
80534dd6 | 2281 | XTextProperty text, icon; |
d60660d6 | 2282 | int bytes, stringp; |
11270583 | 2283 | Lisp_Object coding_system; |
80534dd6 | 2284 | |
11270583 KH |
2285 | coding_system = Vlocale_coding_system; |
2286 | if (NILP (coding_system)) | |
2287 | coding_system = Qcompound_text; | |
2288 | text.value = x_encode_text (name, coding_system, &bytes, &stringp); | |
d60660d6 | 2289 | text.encoding = (stringp ? XA_STRING |
96db09e4 | 2290 | : FRAME_X_DISPLAY_INFO (f)->Xatom_COMPOUND_TEXT); |
fe24a618 | 2291 | text.format = 8; |
96db09e4 | 2292 | text.nitems = bytes; |
80534dd6 | 2293 | |
96db09e4 KH |
2294 | if (NILP (f->icon_name)) |
2295 | { | |
2296 | icon = text; | |
2297 | } | |
2298 | else | |
2299 | { | |
11270583 | 2300 | icon.value = x_encode_text (f->icon_name, coding_system, |
d60660d6 KH |
2301 | &bytes, &stringp); |
2302 | icon.encoding = (stringp ? XA_STRING | |
96db09e4 KH |
2303 | : FRAME_X_DISPLAY_INFO (f)->Xatom_COMPOUND_TEXT); |
2304 | icon.format = 8; | |
2305 | icon.nitems = bytes; | |
2306 | } | |
9ef48a9d | 2307 | #ifdef USE_X_TOOLKIT |
b9dc4443 | 2308 | XSetWMName (FRAME_X_DISPLAY (f), |
7556890b RS |
2309 | XtWindow (f->output_data.x->widget), &text); |
2310 | XSetWMIconName (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget), | |
80534dd6 | 2311 | &icon); |
9ef48a9d | 2312 | #else /* not USE_X_TOOLKIT */ |
b9dc4443 | 2313 | XSetWMName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &text); |
80534dd6 | 2314 | XSetWMIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &icon); |
9ef48a9d | 2315 | #endif /* not USE_X_TOOLKIT */ |
96db09e4 KH |
2316 | if (!NILP (f->icon_name) |
2317 | && icon.value != XSTRING (f->icon_name)->data) | |
2318 | xfree (icon.value); | |
2319 | if (text.value != XSTRING (name)->data) | |
2320 | xfree (text.value); | |
fe24a618 | 2321 | } |
9ef48a9d | 2322 | #else /* not HAVE_X11R4 */ |
b9dc4443 | 2323 | XSetIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
fe24a618 | 2324 | XSTRING (name)->data); |
b9dc4443 | 2325 | XStoreName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
fe24a618 | 2326 | XSTRING (name)->data); |
9ef48a9d | 2327 | #endif /* not HAVE_X11R4 */ |
01f1ba30 JB |
2328 | UNBLOCK_INPUT; |
2329 | } | |
f945b920 JB |
2330 | } |
2331 | ||
2332 | /* This function should be called when the user's lisp code has | |
2333 | specified a name for the frame; the name will override any set by the | |
2334 | redisplay code. */ | |
2335 | void | |
2336 | x_explicitly_set_name (f, arg, oldval) | |
2337 | FRAME_PTR f; | |
2338 | Lisp_Object arg, oldval; | |
2339 | { | |
2340 | x_set_name (f, arg, 1); | |
2341 | } | |
2342 | ||
2343 | /* This function should be called by Emacs redisplay code to set the | |
2344 | name; names set this way will never override names set by the user's | |
2345 | lisp code. */ | |
25250031 | 2346 | void |
f945b920 JB |
2347 | x_implicitly_set_name (f, arg, oldval) |
2348 | FRAME_PTR f; | |
2349 | Lisp_Object arg, oldval; | |
2350 | { | |
2351 | x_set_name (f, arg, 0); | |
01f1ba30 | 2352 | } |
943b580d RS |
2353 | \f |
2354 | /* Change the title of frame F to NAME. | |
2355 | If NAME is nil, use the frame name as the title. | |
01f1ba30 | 2356 | |
943b580d RS |
2357 | If EXPLICIT is non-zero, that indicates that lisp code is setting the |
2358 | name; if NAME is a string, set F's name to NAME and set | |
2359 | F->explicit_name; if NAME is Qnil, then clear F->explicit_name. | |
2360 | ||
2361 | If EXPLICIT is zero, that indicates that Emacs redisplay code is | |
2362 | suggesting a new name, which lisp code should override; if | |
2363 | F->explicit_name is set, ignore the new name; otherwise, set it. */ | |
2364 | ||
2365 | void | |
d62c8769 | 2366 | x_set_title (f, name, old_name) |
943b580d | 2367 | struct frame *f; |
d62c8769 | 2368 | Lisp_Object name, old_name; |
943b580d RS |
2369 | { |
2370 | /* Don't change the title if it's already NAME. */ | |
2371 | if (EQ (name, f->title)) | |
2372 | return; | |
2373 | ||
2374 | update_mode_lines = 1; | |
2375 | ||
2376 | f->title = name; | |
2377 | ||
2378 | if (NILP (name)) | |
2379 | name = f->name; | |
beb403b3 RS |
2380 | else |
2381 | CHECK_STRING (name, 0); | |
943b580d RS |
2382 | |
2383 | if (FRAME_X_WINDOW (f)) | |
2384 | { | |
2385 | BLOCK_INPUT; | |
2386 | #ifdef HAVE_X11R4 | |
2387 | { | |
2388 | XTextProperty text, icon; | |
d60660d6 | 2389 | int bytes, stringp; |
11270583 | 2390 | Lisp_Object coding_system; |
943b580d | 2391 | |
11270583 KH |
2392 | coding_system = Vlocale_coding_system; |
2393 | if (NILP (coding_system)) | |
2394 | coding_system = Qcompound_text; | |
2395 | text.value = x_encode_text (name, coding_system, &bytes, &stringp); | |
d60660d6 | 2396 | text.encoding = (stringp ? XA_STRING |
96db09e4 | 2397 | : FRAME_X_DISPLAY_INFO (f)->Xatom_COMPOUND_TEXT); |
943b580d | 2398 | text.format = 8; |
96db09e4 | 2399 | text.nitems = bytes; |
943b580d | 2400 | |
96db09e4 KH |
2401 | if (NILP (f->icon_name)) |
2402 | { | |
2403 | icon = text; | |
2404 | } | |
2405 | else | |
2406 | { | |
11270583 | 2407 | icon.value = x_encode_text (f->icon_name, coding_system, |
d60660d6 KH |
2408 | &bytes, &stringp); |
2409 | icon.encoding = (stringp ? XA_STRING | |
96db09e4 KH |
2410 | : FRAME_X_DISPLAY_INFO (f)->Xatom_COMPOUND_TEXT); |
2411 | icon.format = 8; | |
2412 | icon.nitems = bytes; | |
2413 | } | |
943b580d RS |
2414 | #ifdef USE_X_TOOLKIT |
2415 | XSetWMName (FRAME_X_DISPLAY (f), | |
2416 | XtWindow (f->output_data.x->widget), &text); | |
2417 | XSetWMIconName (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget), | |
2418 | &icon); | |
2419 | #else /* not USE_X_TOOLKIT */ | |
2420 | XSetWMName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &text); | |
2421 | XSetWMIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &icon); | |
2422 | #endif /* not USE_X_TOOLKIT */ | |
96db09e4 KH |
2423 | if (!NILP (f->icon_name) |
2424 | && icon.value != XSTRING (f->icon_name)->data) | |
2425 | xfree (icon.value); | |
2426 | if (text.value != XSTRING (name)->data) | |
2427 | xfree (text.value); | |
943b580d RS |
2428 | } |
2429 | #else /* not HAVE_X11R4 */ | |
2430 | XSetIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
2431 | XSTRING (name)->data); | |
2432 | XStoreName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
2433 | XSTRING (name)->data); | |
2434 | #endif /* not HAVE_X11R4 */ | |
2435 | UNBLOCK_INPUT; | |
2436 | } | |
2437 | } | |
2438 | \f | |
01f1ba30 | 2439 | void |
f676886a JB |
2440 | x_set_autoraise (f, arg, oldval) |
2441 | struct frame *f; | |
01f1ba30 JB |
2442 | Lisp_Object arg, oldval; |
2443 | { | |
f676886a | 2444 | f->auto_raise = !EQ (Qnil, arg); |
01f1ba30 JB |
2445 | } |
2446 | ||
2447 | void | |
f676886a JB |
2448 | x_set_autolower (f, arg, oldval) |
2449 | struct frame *f; | |
01f1ba30 JB |
2450 | Lisp_Object arg, oldval; |
2451 | { | |
f676886a | 2452 | f->auto_lower = !EQ (Qnil, arg); |
01f1ba30 | 2453 | } |
179956b9 | 2454 | |
eac358ef KH |
2455 | void |
2456 | x_set_unsplittable (f, arg, oldval) | |
2457 | struct frame *f; | |
2458 | Lisp_Object arg, oldval; | |
2459 | { | |
2460 | f->no_split = !NILP (arg); | |
2461 | } | |
2462 | ||
179956b9 | 2463 | void |
a3c87d4e | 2464 | x_set_vertical_scroll_bars (f, arg, oldval) |
179956b9 JB |
2465 | struct frame *f; |
2466 | Lisp_Object arg, oldval; | |
2467 | { | |
1ab3d87e RS |
2468 | if ((EQ (arg, Qleft) && FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)) |
2469 | || (EQ (arg, Qright) && FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f)) | |
2470 | || (NILP (arg) && FRAME_HAS_VERTICAL_SCROLL_BARS (f)) | |
2471 | || (!NILP (arg) && ! FRAME_HAS_VERTICAL_SCROLL_BARS (f))) | |
179956b9 | 2472 | { |
1ab3d87e RS |
2473 | FRAME_VERTICAL_SCROLL_BAR_TYPE (f) |
2474 | = (NILP (arg) | |
2475 | ? vertical_scroll_bar_none | |
2476 | : EQ (Qright, arg) | |
2477 | ? vertical_scroll_bar_right | |
2478 | : vertical_scroll_bar_left); | |
179956b9 | 2479 | |
cf177271 JB |
2480 | /* We set this parameter before creating the X window for the |
2481 | frame, so we can get the geometry right from the start. | |
2482 | However, if the window hasn't been created yet, we shouldn't | |
2483 | call x_set_window_size. */ | |
2484 | if (FRAME_X_WINDOW (f)) | |
363f7e15 | 2485 | x_set_window_size (f, 0, FRAME_WIDTH (f), FRAME_HEIGHT (f)); |
8938a4fb | 2486 | do_pending_window_change (0); |
179956b9 JB |
2487 | } |
2488 | } | |
4701395c KH |
2489 | |
2490 | void | |
2491 | x_set_scroll_bar_width (f, arg, oldval) | |
2492 | struct frame *f; | |
2493 | Lisp_Object arg, oldval; | |
2494 | { | |
a672c74d RS |
2495 | int wid = FONT_WIDTH (f->output_data.x->font); |
2496 | ||
dff9a538 KH |
2497 | if (NILP (arg)) |
2498 | { | |
c6e9d03b GM |
2499 | #ifdef USE_TOOLKIT_SCROLL_BARS |
2500 | /* A minimum width of 14 doesn't look good for toolkit scroll bars. */ | |
333b20bb GM |
2501 | int width = 16 + 2 * VERTICAL_SCROLL_BAR_WIDTH_TRIM; |
2502 | FRAME_SCROLL_BAR_COLS (f) = (width + wid - 1) / wid; | |
2503 | FRAME_SCROLL_BAR_PIXEL_WIDTH (f) = width; | |
2504 | #else | |
2505 | /* Make the actual width at least 14 pixels and a multiple of a | |
2506 | character width. */ | |
a672c74d | 2507 | FRAME_SCROLL_BAR_COLS (f) = (14 + wid - 1) / wid; |
333b20bb GM |
2508 | |
2509 | /* Use all of that space (aside from required margins) for the | |
2510 | scroll bar. */ | |
dff9a538 | 2511 | FRAME_SCROLL_BAR_PIXEL_WIDTH (f) = 0; |
333b20bb | 2512 | #endif |
a672c74d | 2513 | |
a90ab372 RS |
2514 | if (FRAME_X_WINDOW (f)) |
2515 | x_set_window_size (f, 0, FRAME_WIDTH (f), FRAME_HEIGHT (f)); | |
8938a4fb | 2516 | do_pending_window_change (0); |
dff9a538 KH |
2517 | } |
2518 | else if (INTEGERP (arg) && XINT (arg) > 0 | |
2519 | && XFASTINT (arg) != FRAME_SCROLL_BAR_PIXEL_WIDTH (f)) | |
4701395c | 2520 | { |
09d8c7ac RS |
2521 | if (XFASTINT (arg) <= 2 * VERTICAL_SCROLL_BAR_WIDTH_TRIM) |
2522 | XSETINT (arg, 2 * VERTICAL_SCROLL_BAR_WIDTH_TRIM + 1); | |
0a26b136 | 2523 | |
4701395c KH |
2524 | FRAME_SCROLL_BAR_PIXEL_WIDTH (f) = XFASTINT (arg); |
2525 | FRAME_SCROLL_BAR_COLS (f) = (XFASTINT (arg) + wid-1) / wid; | |
2526 | if (FRAME_X_WINDOW (f)) | |
2527 | x_set_window_size (f, 0, FRAME_WIDTH (f), FRAME_HEIGHT (f)); | |
2528 | } | |
dca97592 | 2529 | |
8938a4fb | 2530 | change_frame_size (f, 0, FRAME_WIDTH (f), 0, 0, 0); |
333b20bb GM |
2531 | XWINDOW (FRAME_SELECTED_WINDOW (f))->cursor.hpos = 0; |
2532 | XWINDOW (FRAME_SELECTED_WINDOW (f))->cursor.x = 0; | |
4701395c | 2533 | } |
333b20bb GM |
2534 | |
2535 | ||
01f1ba30 | 2536 | \f |
f676886a | 2537 | /* Subroutines of creating an X frame. */ |
01f1ba30 | 2538 | |
b7975ee4 KH |
2539 | /* Make sure that Vx_resource_name is set to a reasonable value. |
2540 | Fix it up, or set it to `emacs' if it is too hopeless. */ | |
2541 | ||
d387c960 JB |
2542 | static void |
2543 | validate_x_resource_name () | |
2544 | { | |
333b20bb | 2545 | int len = 0; |
0e78b377 RS |
2546 | /* Number of valid characters in the resource name. */ |
2547 | int good_count = 0; | |
2548 | /* Number of invalid characters in the resource name. */ | |
2549 | int bad_count = 0; | |
2550 | Lisp_Object new; | |
2551 | int i; | |
2552 | ||
498e9ac3 RS |
2553 | if (!STRINGP (Vx_resource_class)) |
2554 | Vx_resource_class = build_string (EMACS_CLASS); | |
2555 | ||
cf204347 RS |
2556 | if (STRINGP (Vx_resource_name)) |
2557 | { | |
cf204347 RS |
2558 | unsigned char *p = XSTRING (Vx_resource_name)->data; |
2559 | int i; | |
2560 | ||
fc932ac6 | 2561 | len = STRING_BYTES (XSTRING (Vx_resource_name)); |
0e78b377 RS |
2562 | |
2563 | /* Only letters, digits, - and _ are valid in resource names. | |
2564 | Count the valid characters and count the invalid ones. */ | |
cf204347 RS |
2565 | for (i = 0; i < len; i++) |
2566 | { | |
2567 | int c = p[i]; | |
2568 | if (! ((c >= 'a' && c <= 'z') | |
2569 | || (c >= 'A' && c <= 'Z') | |
2570 | || (c >= '0' && c <= '9') | |
2571 | || c == '-' || c == '_')) | |
0e78b377 RS |
2572 | bad_count++; |
2573 | else | |
2574 | good_count++; | |
cf204347 RS |
2575 | } |
2576 | } | |
2577 | else | |
0e78b377 RS |
2578 | /* Not a string => completely invalid. */ |
2579 | bad_count = 5, good_count = 0; | |
2580 | ||
2581 | /* If name is valid already, return. */ | |
2582 | if (bad_count == 0) | |
2583 | return; | |
2584 | ||
2585 | /* If name is entirely invalid, or nearly so, use `emacs'. */ | |
2586 | if (good_count == 0 | |
2587 | || (good_count == 1 && bad_count > 0)) | |
2588 | { | |
b7975ee4 | 2589 | Vx_resource_name = build_string ("emacs"); |
0e78b377 RS |
2590 | return; |
2591 | } | |
2592 | ||
2593 | /* Name is partly valid. Copy it and replace the invalid characters | |
2594 | with underscores. */ | |
2595 | ||
2596 | Vx_resource_name = new = Fcopy_sequence (Vx_resource_name); | |
2597 | ||
2598 | for (i = 0; i < len; i++) | |
2599 | { | |
2600 | int c = XSTRING (new)->data[i]; | |
2601 | if (! ((c >= 'a' && c <= 'z') | |
2602 | || (c >= 'A' && c <= 'Z') | |
2603 | || (c >= '0' && c <= '9') | |
2604 | || c == '-' || c == '_')) | |
2605 | XSTRING (new)->data[i] = '_'; | |
2606 | } | |
d387c960 JB |
2607 | } |
2608 | ||
2609 | ||
01f1ba30 | 2610 | extern char *x_get_string_resource (); |
01f1ba30 | 2611 | |
cf177271 JB |
2612 | DEFUN ("x-get-resource", Fx_get_resource, Sx_get_resource, 2, 4, 0, |
2613 | "Return the value of ATTRIBUTE, of class CLASS, from the X defaults database.\n\ | |
287e500d | 2614 | This uses `INSTANCE.ATTRIBUTE' as the key and `Emacs.CLASS' as the\n\ |
d387c960 JB |
2615 | class, where INSTANCE is the name under which Emacs was invoked, or\n\ |
2616 | the name specified by the `-name' or `-rn' command-line arguments.\n\ | |
01f1ba30 | 2617 | \n\ |
8fabe6f4 RS |
2618 | The optional arguments COMPONENT and SUBCLASS add to the key and the\n\ |
2619 | class, respectively. You must specify both of them or neither.\n\ | |
287e500d RS |
2620 | If you specify them, the key is `INSTANCE.COMPONENT.ATTRIBUTE'\n\ |
2621 | and the class is `Emacs.CLASS.SUBCLASS'.") | |
cf177271 JB |
2622 | (attribute, class, component, subclass) |
2623 | Lisp_Object attribute, class, component, subclass; | |
01f1ba30 JB |
2624 | { |
2625 | register char *value; | |
2626 | char *name_key; | |
2627 | char *class_key; | |
2628 | ||
11ae94fe RS |
2629 | check_x (); |
2630 | ||
01f1ba30 | 2631 | CHECK_STRING (attribute, 0); |
cf177271 JB |
2632 | CHECK_STRING (class, 0); |
2633 | ||
8fabe6f4 RS |
2634 | if (!NILP (component)) |
2635 | CHECK_STRING (component, 1); | |
2636 | if (!NILP (subclass)) | |
2637 | CHECK_STRING (subclass, 2); | |
2638 | if (NILP (component) != NILP (subclass)) | |
2639 | error ("x-get-resource: must specify both COMPONENT and SUBCLASS or neither"); | |
2640 | ||
d387c960 JB |
2641 | validate_x_resource_name (); |
2642 | ||
b7975ee4 KH |
2643 | /* Allocate space for the components, the dots which separate them, |
2644 | and the final '\0'. Make them big enough for the worst case. */ | |
fc932ac6 | 2645 | name_key = (char *) alloca (STRING_BYTES (XSTRING (Vx_resource_name)) |
b7975ee4 | 2646 | + (STRINGP (component) |
fc932ac6 RS |
2647 | ? STRING_BYTES (XSTRING (component)) : 0) |
2648 | + STRING_BYTES (XSTRING (attribute)) | |
b7975ee4 KH |
2649 | + 3); |
2650 | ||
fc932ac6 RS |
2651 | class_key = (char *) alloca (STRING_BYTES (XSTRING (Vx_resource_class)) |
2652 | + STRING_BYTES (XSTRING (class)) | |
b7975ee4 | 2653 | + (STRINGP (subclass) |
fc932ac6 | 2654 | ? STRING_BYTES (XSTRING (subclass)) : 0) |
b7975ee4 KH |
2655 | + 3); |
2656 | ||
2657 | /* Start with emacs.FRAMENAME for the name (the specific one) | |
2658 | and with `Emacs' for the class key (the general one). */ | |
2659 | strcpy (name_key, XSTRING (Vx_resource_name)->data); | |
498e9ac3 | 2660 | strcpy (class_key, XSTRING (Vx_resource_class)->data); |
b7975ee4 KH |
2661 | |
2662 | strcat (class_key, "."); | |
2663 | strcat (class_key, XSTRING (class)->data); | |
2664 | ||
2665 | if (!NILP (component)) | |
01f1ba30 | 2666 | { |
b7975ee4 KH |
2667 | strcat (class_key, "."); |
2668 | strcat (class_key, XSTRING (subclass)->data); | |
2669 | ||
2670 | strcat (name_key, "."); | |
2671 | strcat (name_key, XSTRING (component)->data); | |
01f1ba30 JB |
2672 | } |
2673 | ||
b7975ee4 KH |
2674 | strcat (name_key, "."); |
2675 | strcat (name_key, XSTRING (attribute)->data); | |
2676 | ||
b9dc4443 RS |
2677 | value = x_get_string_resource (check_x_display_info (Qnil)->xrdb, |
2678 | name_key, class_key); | |
01f1ba30 JB |
2679 | |
2680 | if (value != (char *) 0) | |
2681 | return build_string (value); | |
2682 | else | |
2683 | return Qnil; | |
2684 | } | |
2685 | ||
abb4b7ec RS |
2686 | /* Get an X resource, like Fx_get_resource, but for display DPYINFO. */ |
2687 | ||
333b20bb | 2688 | Lisp_Object |
abb4b7ec RS |
2689 | display_x_get_resource (dpyinfo, attribute, class, component, subclass) |
2690 | struct x_display_info *dpyinfo; | |
2691 | Lisp_Object attribute, class, component, subclass; | |
2692 | { | |
2693 | register char *value; | |
2694 | char *name_key; | |
2695 | char *class_key; | |
2696 | ||
abb4b7ec RS |
2697 | CHECK_STRING (attribute, 0); |
2698 | CHECK_STRING (class, 0); | |
2699 | ||
2700 | if (!NILP (component)) | |
2701 | CHECK_STRING (component, 1); | |
2702 | if (!NILP (subclass)) | |
2703 | CHECK_STRING (subclass, 2); | |
2704 | if (NILP (component) != NILP (subclass)) | |
2705 | error ("x-get-resource: must specify both COMPONENT and SUBCLASS or neither"); | |
2706 | ||
2707 | validate_x_resource_name (); | |
2708 | ||
2709 | /* Allocate space for the components, the dots which separate them, | |
2710 | and the final '\0'. Make them big enough for the worst case. */ | |
fc932ac6 | 2711 | name_key = (char *) alloca (STRING_BYTES (XSTRING (Vx_resource_name)) |
abb4b7ec | 2712 | + (STRINGP (component) |
fc932ac6 RS |
2713 | ? STRING_BYTES (XSTRING (component)) : 0) |
2714 | + STRING_BYTES (XSTRING (attribute)) | |
abb4b7ec RS |
2715 | + 3); |
2716 | ||
fc932ac6 RS |
2717 | class_key = (char *) alloca (STRING_BYTES (XSTRING (Vx_resource_class)) |
2718 | + STRING_BYTES (XSTRING (class)) | |
abb4b7ec | 2719 | + (STRINGP (subclass) |
fc932ac6 | 2720 | ? STRING_BYTES (XSTRING (subclass)) : 0) |
abb4b7ec RS |
2721 | + 3); |
2722 | ||
2723 | /* Start with emacs.FRAMENAME for the name (the specific one) | |
2724 | and with `Emacs' for the class key (the general one). */ | |
2725 | strcpy (name_key, XSTRING (Vx_resource_name)->data); | |
2726 | strcpy (class_key, XSTRING (Vx_resource_class)->data); | |
2727 | ||
2728 | strcat (class_key, "."); | |
2729 | strcat (class_key, XSTRING (class)->data); | |
2730 | ||
2731 | if (!NILP (component)) | |
2732 | { | |
2733 | strcat (class_key, "."); | |
2734 | strcat (class_key, XSTRING (subclass)->data); | |
2735 | ||
2736 | strcat (name_key, "."); | |
2737 | strcat (name_key, XSTRING (component)->data); | |
2738 | } | |
2739 | ||
2740 | strcat (name_key, "."); | |
2741 | strcat (name_key, XSTRING (attribute)->data); | |
2742 | ||
2743 | value = x_get_string_resource (dpyinfo->xrdb, name_key, class_key); | |
2744 | ||
2745 | if (value != (char *) 0) | |
2746 | return build_string (value); | |
2747 | else | |
2748 | return Qnil; | |
2749 | } | |
2750 | ||
3402e1a4 RS |
2751 | /* Used when C code wants a resource value. */ |
2752 | ||
2753 | char * | |
2754 | x_get_resource_string (attribute, class) | |
2755 | char *attribute, *class; | |
2756 | { | |
3402e1a4 RS |
2757 | char *name_key; |
2758 | char *class_key; | |
0fe92f72 | 2759 | struct frame *sf = SELECTED_FRAME (); |
3402e1a4 RS |
2760 | |
2761 | /* Allocate space for the components, the dots which separate them, | |
2762 | and the final '\0'. */ | |
fc932ac6 | 2763 | name_key = (char *) alloca (STRING_BYTES (XSTRING (Vinvocation_name)) |
3402e1a4 RS |
2764 | + strlen (attribute) + 2); |
2765 | class_key = (char *) alloca ((sizeof (EMACS_CLASS) - 1) | |
2766 | + strlen (class) + 2); | |
2767 | ||
2768 | sprintf (name_key, "%s.%s", | |
2769 | XSTRING (Vinvocation_name)->data, | |
2770 | attribute); | |
2771 | sprintf (class_key, "%s.%s", EMACS_CLASS, class); | |
2772 | ||
0fe92f72 | 2773 | return x_get_string_resource (FRAME_X_DISPLAY_INFO (sf)->xrdb, |
b9dc4443 | 2774 | name_key, class_key); |
3402e1a4 RS |
2775 | } |
2776 | ||
60fb3ee1 JB |
2777 | /* Types we might convert a resource string into. */ |
2778 | enum resource_types | |
333b20bb GM |
2779 | { |
2780 | RES_TYPE_NUMBER, | |
d62c8769 | 2781 | RES_TYPE_FLOAT, |
333b20bb GM |
2782 | RES_TYPE_BOOLEAN, |
2783 | RES_TYPE_STRING, | |
2784 | RES_TYPE_SYMBOL | |
2785 | }; | |
60fb3ee1 | 2786 | |
01f1ba30 | 2787 | /* Return the value of parameter PARAM. |
60fb3ee1 | 2788 | |
f676886a | 2789 | First search ALIST, then Vdefault_frame_alist, then the X defaults |
cf177271 | 2790 | database, using ATTRIBUTE as the attribute name and CLASS as its class. |
60fb3ee1 JB |
2791 | |
2792 | Convert the resource to the type specified by desired_type. | |
2793 | ||
f9942c9e JB |
2794 | If no default is specified, return Qunbound. If you call |
2795 | x_get_arg, make sure you deal with Qunbound in a reasonable way, | |
a59e4f3d | 2796 | and don't let it get stored in any Lisp-visible variables! */ |
01f1ba30 JB |
2797 | |
2798 | static Lisp_Object | |
abb4b7ec RS |
2799 | x_get_arg (dpyinfo, alist, param, attribute, class, type) |
2800 | struct x_display_info *dpyinfo; | |
3c254570 | 2801 | Lisp_Object alist, param; |
60fb3ee1 | 2802 | char *attribute; |
cf177271 | 2803 | char *class; |
60fb3ee1 | 2804 | enum resource_types type; |
01f1ba30 JB |
2805 | { |
2806 | register Lisp_Object tem; | |
2807 | ||
2808 | tem = Fassq (param, alist); | |
2809 | if (EQ (tem, Qnil)) | |
f676886a | 2810 | tem = Fassq (param, Vdefault_frame_alist); |
f9942c9e | 2811 | if (EQ (tem, Qnil)) |
01f1ba30 | 2812 | { |
60fb3ee1 | 2813 | |
f9942c9e | 2814 | if (attribute) |
60fb3ee1 | 2815 | { |
abb4b7ec RS |
2816 | tem = display_x_get_resource (dpyinfo, |
2817 | build_string (attribute), | |
2818 | build_string (class), | |
2819 | Qnil, Qnil); | |
f9942c9e JB |
2820 | |
2821 | if (NILP (tem)) | |
2822 | return Qunbound; | |
2823 | ||
2824 | switch (type) | |
2825 | { | |
333b20bb | 2826 | case RES_TYPE_NUMBER: |
f9942c9e JB |
2827 | return make_number (atoi (XSTRING (tem)->data)); |
2828 | ||
d62c8769 GM |
2829 | case RES_TYPE_FLOAT: |
2830 | return make_float (atof (XSTRING (tem)->data)); | |
2831 | ||
333b20bb | 2832 | case RES_TYPE_BOOLEAN: |
f9942c9e JB |
2833 | tem = Fdowncase (tem); |
2834 | if (!strcmp (XSTRING (tem)->data, "on") | |
2835 | || !strcmp (XSTRING (tem)->data, "true")) | |
2836 | return Qt; | |
2837 | else | |
2838 | return Qnil; | |
2839 | ||
333b20bb | 2840 | case RES_TYPE_STRING: |
f9942c9e JB |
2841 | return tem; |
2842 | ||
333b20bb | 2843 | case RES_TYPE_SYMBOL: |
49795535 JB |
2844 | /* As a special case, we map the values `true' and `on' |
2845 | to Qt, and `false' and `off' to Qnil. */ | |
2846 | { | |
98381190 KH |
2847 | Lisp_Object lower; |
2848 | lower = Fdowncase (tem); | |
26ae6b61 KH |
2849 | if (!strcmp (XSTRING (lower)->data, "on") |
2850 | || !strcmp (XSTRING (lower)->data, "true")) | |
49795535 | 2851 | return Qt; |
26ae6b61 KH |
2852 | else if (!strcmp (XSTRING (lower)->data, "off") |
2853 | || !strcmp (XSTRING (lower)->data, "false")) | |
49795535 JB |
2854 | return Qnil; |
2855 | else | |
89032215 | 2856 | return Fintern (tem, Qnil); |
49795535 | 2857 | } |
f945b920 | 2858 | |
f9942c9e JB |
2859 | default: |
2860 | abort (); | |
2861 | } | |
60fb3ee1 | 2862 | } |
f9942c9e JB |
2863 | else |
2864 | return Qunbound; | |
01f1ba30 JB |
2865 | } |
2866 | return Fcdr (tem); | |
2867 | } | |
2868 | ||
e4f79258 RS |
2869 | /* Like x_get_arg, but also record the value in f->param_alist. */ |
2870 | ||
2871 | static Lisp_Object | |
2872 | x_get_and_record_arg (f, alist, param, attribute, class, type) | |
2873 | struct frame *f; | |
2874 | Lisp_Object alist, param; | |
2875 | char *attribute; | |
2876 | char *class; | |
2877 | enum resource_types type; | |
2878 | { | |
2879 | Lisp_Object value; | |
2880 | ||
abb4b7ec RS |
2881 | value = x_get_arg (FRAME_X_DISPLAY_INFO (f), alist, param, |
2882 | attribute, class, type); | |
e4f79258 RS |
2883 | if (! NILP (value)) |
2884 | store_frame_param (f, param, value); | |
2885 | ||
2886 | return value; | |
2887 | } | |
2888 | ||
f676886a | 2889 | /* Record in frame F the specified or default value according to ALIST |
e8cc313b KH |
2890 | of the parameter named PROP (a Lisp symbol). |
2891 | If no value is specified for PROP, look for an X default for XPROP | |
f676886a | 2892 | on the frame named NAME. |
01f1ba30 JB |
2893 | If that is not found either, use the value DEFLT. */ |
2894 | ||
2895 | static Lisp_Object | |
cf177271 | 2896 | x_default_parameter (f, alist, prop, deflt, xprop, xclass, type) |
f676886a | 2897 | struct frame *f; |
01f1ba30 | 2898 | Lisp_Object alist; |
f9942c9e | 2899 | Lisp_Object prop; |
01f1ba30 JB |
2900 | Lisp_Object deflt; |
2901 | char *xprop; | |
cf177271 | 2902 | char *xclass; |
60fb3ee1 | 2903 | enum resource_types type; |
01f1ba30 | 2904 | { |
01f1ba30 JB |
2905 | Lisp_Object tem; |
2906 | ||
abb4b7ec | 2907 | tem = x_get_arg (FRAME_X_DISPLAY_INFO (f), alist, prop, xprop, xclass, type); |
f9942c9e | 2908 | if (EQ (tem, Qunbound)) |
01f1ba30 | 2909 | tem = deflt; |
f9942c9e | 2910 | x_set_frame_parameters (f, Fcons (Fcons (prop, tem), Qnil)); |
01f1ba30 JB |
2911 | return tem; |
2912 | } | |
333b20bb GM |
2913 | |
2914 | ||
2915 | /* Record in frame F the specified or default value according to ALIST | |
2916 | of the parameter named PROP (a Lisp symbol). If no value is | |
2917 | specified for PROP, look for an X default for XPROP on the frame | |
2918 | named NAME. If that is not found either, use the value DEFLT. */ | |
2919 | ||
2920 | static Lisp_Object | |
2921 | x_default_scroll_bar_color_parameter (f, alist, prop, xprop, xclass, | |
2922 | foreground_p) | |
2923 | struct frame *f; | |
2924 | Lisp_Object alist; | |
2925 | Lisp_Object prop; | |
2926 | char *xprop; | |
2927 | char *xclass; | |
2928 | int foreground_p; | |
2929 | { | |
2930 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
2931 | Lisp_Object tem; | |
2932 | ||
2933 | tem = x_get_arg (dpyinfo, alist, prop, xprop, xclass, RES_TYPE_STRING); | |
2934 | if (EQ (tem, Qunbound)) | |
2935 | { | |
2936 | #ifdef USE_TOOLKIT_SCROLL_BARS | |
2937 | ||
2938 | /* See if an X resource for the scroll bar color has been | |
2939 | specified. */ | |
2940 | tem = display_x_get_resource (dpyinfo, | |
2941 | build_string (foreground_p | |
2942 | ? "foreground" | |
2943 | : "background"), | |
2944 | build_string (""), | |
2945 | build_string ("verticalScrollBar"), | |
2946 | build_string ("")); | |
2947 | if (!STRINGP (tem)) | |
2948 | { | |
2949 | /* If nothing has been specified, scroll bars will use a | |
2950 | toolkit-dependent default. Because these defaults are | |
2951 | difficult to get at without actually creating a scroll | |
2952 | bar, use nil to indicate that no color has been | |
2953 | specified. */ | |
2954 | tem = Qnil; | |
2955 | } | |
2956 | ||
2957 | #else /* not USE_TOOLKIT_SCROLL_BARS */ | |
2958 | ||
2959 | tem = Qnil; | |
2960 | ||
2961 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ | |
2962 | } | |
2963 | ||
2964 | x_set_frame_parameters (f, Fcons (Fcons (prop, tem), Qnil)); | |
2965 | return tem; | |
2966 | } | |
2967 | ||
2968 | ||
01f1ba30 | 2969 | \f |
8af1d7ca | 2970 | DEFUN ("x-parse-geometry", Fx_parse_geometry, Sx_parse_geometry, 1, 1, 0, |
01f1ba30 | 2971 | "Parse an X-style geometry string STRING.\n\ |
f83f10ba RS |
2972 | Returns an alist of the form ((top . TOP), (left . LEFT) ... ).\n\ |
2973 | The properties returned may include `top', `left', `height', and `width'.\n\ | |
e1d962d7 RS |
2974 | The value of `left' or `top' may be an integer,\n\ |
2975 | or a list (+ N) meaning N pixels relative to top/left corner,\n\ | |
2976 | or a list (- N) meaning -N pixels relative to bottom/right corner.") | |
01f1ba30 | 2977 | (string) |
a6605e5c | 2978 | Lisp_Object string; |
01f1ba30 JB |
2979 | { |
2980 | int geometry, x, y; | |
2981 | unsigned int width, height; | |
f83f10ba | 2982 | Lisp_Object result; |
01f1ba30 JB |
2983 | |
2984 | CHECK_STRING (string, 0); | |
2985 | ||
2986 | geometry = XParseGeometry ((char *) XSTRING (string)->data, | |
2987 | &x, &y, &width, &height); | |
2988 | ||
f83f10ba RS |
2989 | #if 0 |
2990 | if (!!(geometry & XValue) != !!(geometry & YValue)) | |
2991 | error ("Must specify both x and y position, or neither"); | |
2992 | #endif | |
2993 | ||
2994 | result = Qnil; | |
2995 | if (geometry & XValue) | |
01f1ba30 | 2996 | { |
f83f10ba RS |
2997 | Lisp_Object element; |
2998 | ||
e1d962d7 RS |
2999 | if (x >= 0 && (geometry & XNegative)) |
3000 | element = Fcons (Qleft, Fcons (Qminus, Fcons (make_number (-x), Qnil))); | |
3001 | else if (x < 0 && ! (geometry & XNegative)) | |
3002 | element = Fcons (Qleft, Fcons (Qplus, Fcons (make_number (x), Qnil))); | |
f83f10ba RS |
3003 | else |
3004 | element = Fcons (Qleft, make_number (x)); | |
3005 | result = Fcons (element, result); | |
3006 | } | |
3007 | ||
3008 | if (geometry & YValue) | |
3009 | { | |
3010 | Lisp_Object element; | |
3011 | ||
e1d962d7 RS |
3012 | if (y >= 0 && (geometry & YNegative)) |
3013 | element = Fcons (Qtop, Fcons (Qminus, Fcons (make_number (-y), Qnil))); | |
3014 | else if (y < 0 && ! (geometry & YNegative)) | |
3015 | element = Fcons (Qtop, Fcons (Qplus, Fcons (make_number (y), Qnil))); | |
f83f10ba RS |
3016 | else |
3017 | element = Fcons (Qtop, make_number (y)); | |
3018 | result = Fcons (element, result); | |
01f1ba30 | 3019 | } |
f83f10ba RS |
3020 | |
3021 | if (geometry & WidthValue) | |
3022 | result = Fcons (Fcons (Qwidth, make_number (width)), result); | |
3023 | if (geometry & HeightValue) | |
3024 | result = Fcons (Fcons (Qheight, make_number (height)), result); | |
3025 | ||
3026 | return result; | |
01f1ba30 JB |
3027 | } |
3028 | ||
01f1ba30 | 3029 | /* Calculate the desired size and position of this window, |
f83f10ba | 3030 | and return the flags saying which aspects were specified. |
8fc2766b RS |
3031 | |
3032 | This function does not make the coordinates positive. */ | |
01f1ba30 JB |
3033 | |
3034 | #define DEFAULT_ROWS 40 | |
3035 | #define DEFAULT_COLS 80 | |
3036 | ||
f9942c9e | 3037 | static int |
f676886a JB |
3038 | x_figure_window_size (f, parms) |
3039 | struct frame *f; | |
01f1ba30 JB |
3040 | Lisp_Object parms; |
3041 | { | |
4fe1de12 | 3042 | register Lisp_Object tem0, tem1, tem2; |
01f1ba30 | 3043 | long window_prompting = 0; |
abb4b7ec | 3044 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
01f1ba30 JB |
3045 | |
3046 | /* Default values if we fall through. | |
3047 | Actually, if that happens we should get | |
b9dc4443 | 3048 | window manager prompting. */ |
1ab3d87e | 3049 | SET_FRAME_WIDTH (f, DEFAULT_COLS); |
f676886a | 3050 | f->height = DEFAULT_ROWS; |
bd0b85c3 RS |
3051 | /* Window managers expect that if program-specified |
3052 | positions are not (0,0), they're intentional, not defaults. */ | |
7556890b RS |
3053 | f->output_data.x->top_pos = 0; |
3054 | f->output_data.x->left_pos = 0; | |
01f1ba30 | 3055 | |
333b20bb GM |
3056 | tem0 = x_get_arg (dpyinfo, parms, Qheight, 0, 0, RES_TYPE_NUMBER); |
3057 | tem1 = x_get_arg (dpyinfo, parms, Qwidth, 0, 0, RES_TYPE_NUMBER); | |
3058 | tem2 = x_get_arg (dpyinfo, parms, Quser_size, 0, 0, RES_TYPE_NUMBER); | |
f83f10ba | 3059 | if (! EQ (tem0, Qunbound) || ! EQ (tem1, Qunbound)) |
01f1ba30 | 3060 | { |
f83f10ba RS |
3061 | if (!EQ (tem0, Qunbound)) |
3062 | { | |
3063 | CHECK_NUMBER (tem0, 0); | |
3064 | f->height = XINT (tem0); | |
3065 | } | |
3066 | if (!EQ (tem1, Qunbound)) | |
3067 | { | |
3068 | CHECK_NUMBER (tem1, 0); | |
1ab3d87e | 3069 | SET_FRAME_WIDTH (f, XINT (tem1)); |
f83f10ba RS |
3070 | } |
3071 | if (!NILP (tem2) && !EQ (tem2, Qunbound)) | |
4fe1de12 RS |
3072 | window_prompting |= USSize; |
3073 | else | |
3074 | window_prompting |= PSize; | |
01f1ba30 | 3075 | } |
01f1ba30 | 3076 | |
7556890b | 3077 | f->output_data.x->vertical_scroll_bar_extra |
a444c70b KH |
3078 | = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f) |
3079 | ? 0 | |
7556890b | 3080 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.x->font))); |
333b20bb | 3081 | f->output_data.x->flags_areas_extra |
fb5ec9ce | 3082 | = FRAME_FLAGS_AREA_WIDTH (f); |
7556890b RS |
3083 | f->output_data.x->pixel_width = CHAR_TO_PIXEL_WIDTH (f, f->width); |
3084 | f->output_data.x->pixel_height = CHAR_TO_PIXEL_HEIGHT (f, f->height); | |
01f1ba30 | 3085 | |
333b20bb GM |
3086 | tem0 = x_get_arg (dpyinfo, parms, Qtop, 0, 0, RES_TYPE_NUMBER); |
3087 | tem1 = x_get_arg (dpyinfo, parms, Qleft, 0, 0, RES_TYPE_NUMBER); | |
3088 | tem2 = x_get_arg (dpyinfo, parms, Quser_position, 0, 0, RES_TYPE_NUMBER); | |
f83f10ba | 3089 | if (! EQ (tem0, Qunbound) || ! EQ (tem1, Qunbound)) |
01f1ba30 | 3090 | { |
f83f10ba RS |
3091 | if (EQ (tem0, Qminus)) |
3092 | { | |
7556890b | 3093 | f->output_data.x->top_pos = 0; |
f83f10ba RS |
3094 | window_prompting |= YNegative; |
3095 | } | |
8e713be6 KR |
3096 | else if (CONSP (tem0) && EQ (XCAR (tem0), Qminus) |
3097 | && CONSP (XCDR (tem0)) | |
3098 | && INTEGERP (XCAR (XCDR (tem0)))) | |
e1d962d7 | 3099 | { |
8e713be6 | 3100 | f->output_data.x->top_pos = - XINT (XCAR (XCDR (tem0))); |
e1d962d7 RS |
3101 | window_prompting |= YNegative; |
3102 | } | |
8e713be6 KR |
3103 | else if (CONSP (tem0) && EQ (XCAR (tem0), Qplus) |
3104 | && CONSP (XCDR (tem0)) | |
3105 | && INTEGERP (XCAR (XCDR (tem0)))) | |
e1d962d7 | 3106 | { |
8e713be6 | 3107 | f->output_data.x->top_pos = XINT (XCAR (XCDR (tem0))); |
e1d962d7 | 3108 | } |
f83f10ba | 3109 | else if (EQ (tem0, Qunbound)) |
7556890b | 3110 | f->output_data.x->top_pos = 0; |
f83f10ba RS |
3111 | else |
3112 | { | |
3113 | CHECK_NUMBER (tem0, 0); | |
7556890b RS |
3114 | f->output_data.x->top_pos = XINT (tem0); |
3115 | if (f->output_data.x->top_pos < 0) | |
f83f10ba RS |
3116 | window_prompting |= YNegative; |
3117 | } | |
3118 | ||
3119 | if (EQ (tem1, Qminus)) | |
3120 | { | |
7556890b | 3121 | f->output_data.x->left_pos = 0; |
f83f10ba RS |
3122 | window_prompting |= XNegative; |
3123 | } | |
8e713be6 KR |
3124 | else if (CONSP (tem1) && EQ (XCAR (tem1), Qminus) |
3125 | && CONSP (XCDR (tem1)) | |
3126 | && INTEGERP (XCAR (XCDR (tem1)))) | |
e1d962d7 | 3127 | { |
8e713be6 | 3128 | f->output_data.x->left_pos = - XINT (XCAR (XCDR (tem1))); |
e1d962d7 RS |
3129 | window_prompting |= XNegative; |
3130 | } | |
8e713be6 KR |
3131 | else if (CONSP (tem1) && EQ (XCAR (tem1), Qplus) |
3132 | && CONSP (XCDR (tem1)) | |
3133 | && INTEGERP (XCAR (XCDR (tem1)))) | |
e1d962d7 | 3134 | { |
8e713be6 | 3135 | f->output_data.x->left_pos = XINT (XCAR (XCDR (tem1))); |
e1d962d7 | 3136 | } |
f83f10ba | 3137 | else if (EQ (tem1, Qunbound)) |
7556890b | 3138 | f->output_data.x->left_pos = 0; |
f83f10ba RS |
3139 | else |
3140 | { | |
3141 | CHECK_NUMBER (tem1, 0); | |
7556890b RS |
3142 | f->output_data.x->left_pos = XINT (tem1); |
3143 | if (f->output_data.x->left_pos < 0) | |
f83f10ba RS |
3144 | window_prompting |= XNegative; |
3145 | } | |
3146 | ||
c3724dc2 | 3147 | if (!NILP (tem2) && ! EQ (tem2, Qunbound)) |
4fe1de12 RS |
3148 | window_prompting |= USPosition; |
3149 | else | |
3150 | window_prompting |= PPosition; | |
01f1ba30 | 3151 | } |
f83f10ba | 3152 | |
739f2f53 | 3153 | return window_prompting; |
01f1ba30 JB |
3154 | } |
3155 | ||
f58534a3 RS |
3156 | #if !defined (HAVE_X11R4) && !defined (HAVE_XSETWMPROTOCOLS) |
3157 | ||
3158 | Status | |
3159 | XSetWMProtocols (dpy, w, protocols, count) | |
3160 | Display *dpy; | |
3161 | Window w; | |
3162 | Atom *protocols; | |
3163 | int count; | |
3164 | { | |
3165 | Atom prop; | |
3166 | prop = XInternAtom (dpy, "WM_PROTOCOLS", False); | |
3167 | if (prop == None) return False; | |
3168 | XChangeProperty (dpy, w, prop, XA_ATOM, 32, PropModeReplace, | |
3169 | (unsigned char *) protocols, count); | |
3170 | return True; | |
3171 | } | |
9ef48a9d RS |
3172 | #endif /* not HAVE_X11R4 && not HAVE_XSETWMPROTOCOLS */ |
3173 | \f | |
3174 | #ifdef USE_X_TOOLKIT | |
3175 | ||
8e3d10a9 RS |
3176 | /* If the WM_PROTOCOLS property does not already contain WM_TAKE_FOCUS, |
3177 | WM_DELETE_WINDOW, and WM_SAVE_YOURSELF, then add them. (They may | |
59aa6c90 RS |
3178 | already be present because of the toolkit (Motif adds some of them, |
3179 | for example, but Xt doesn't). */ | |
9ef48a9d RS |
3180 | |
3181 | static void | |
b9dc4443 RS |
3182 | hack_wm_protocols (f, widget) |
3183 | FRAME_PTR f; | |
9ef48a9d RS |
3184 | Widget widget; |
3185 | { | |
3186 | Display *dpy = XtDisplay (widget); | |
3187 | Window w = XtWindow (widget); | |
3188 | int need_delete = 1; | |
3189 | int need_focus = 1; | |
59aa6c90 | 3190 | int need_save = 1; |
9ef48a9d RS |
3191 | |
3192 | BLOCK_INPUT; | |
3193 | { | |
3194 | Atom type, *atoms = 0; | |
3195 | int format = 0; | |
3196 | unsigned long nitems = 0; | |
3197 | unsigned long bytes_after; | |
3198 | ||
270958e8 KH |
3199 | if ((XGetWindowProperty (dpy, w, |
3200 | FRAME_X_DISPLAY_INFO (f)->Xatom_wm_protocols, | |
34d5ae1e | 3201 | (long)0, (long)100, False, XA_ATOM, |
270958e8 KH |
3202 | &type, &format, &nitems, &bytes_after, |
3203 | (unsigned char **) &atoms) | |
3204 | == Success) | |
9ef48a9d RS |
3205 | && format == 32 && type == XA_ATOM) |
3206 | while (nitems > 0) | |
3207 | { | |
3208 | nitems--; | |
b9dc4443 RS |
3209 | if (atoms[nitems] == FRAME_X_DISPLAY_INFO (f)->Xatom_wm_delete_window) |
3210 | need_delete = 0; | |
3211 | else if (atoms[nitems] == FRAME_X_DISPLAY_INFO (f)->Xatom_wm_take_focus) | |
3212 | need_focus = 0; | |
3213 | else if (atoms[nitems] == FRAME_X_DISPLAY_INFO (f)->Xatom_wm_save_yourself) | |
3214 | need_save = 0; | |
9ef48a9d RS |
3215 | } |
3216 | if (atoms) XFree ((char *) atoms); | |
3217 | } | |
3218 | { | |
3219 | Atom props [10]; | |
3220 | int count = 0; | |
b9dc4443 RS |
3221 | if (need_delete) |
3222 | props[count++] = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_delete_window; | |
3223 | if (need_focus) | |
3224 | props[count++] = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_take_focus; | |
3225 | if (need_save) | |
3226 | props[count++] = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_save_yourself; | |
9ef48a9d | 3227 | if (count) |
b9dc4443 RS |
3228 | XChangeProperty (dpy, w, FRAME_X_DISPLAY_INFO (f)->Xatom_wm_protocols, |
3229 | XA_ATOM, 32, PropModeAppend, | |
9ef48a9d RS |
3230 | (unsigned char *) props, count); |
3231 | } | |
3232 | UNBLOCK_INPUT; | |
3233 | } | |
3234 | #endif | |
86779fac GM |
3235 | |
3236 | ||
5a7df7d7 GM |
3237 | \f |
3238 | /* Support routines for XIC (X Input Context). */ | |
86779fac | 3239 | |
5a7df7d7 GM |
3240 | #ifdef HAVE_X_I18N |
3241 | ||
3242 | static XFontSet xic_create_xfontset P_ ((struct frame *, char *)); | |
3243 | static XIMStyle best_xim_style P_ ((XIMStyles *, XIMStyles *)); | |
3244 | ||
3245 | ||
3246 | /* Supported XIM styles, ordered by preferenc. */ | |
3247 | ||
3248 | static XIMStyle supported_xim_styles[] = | |
3249 | { | |
3250 | XIMPreeditPosition | XIMStatusArea, | |
3251 | XIMPreeditPosition | XIMStatusNothing, | |
3252 | XIMPreeditPosition | XIMStatusNone, | |
3253 | XIMPreeditNothing | XIMStatusArea, | |
3254 | XIMPreeditNothing | XIMStatusNothing, | |
3255 | XIMPreeditNothing | XIMStatusNone, | |
3256 | XIMPreeditNone | XIMStatusArea, | |
3257 | XIMPreeditNone | XIMStatusNothing, | |
3258 | XIMPreeditNone | XIMStatusNone, | |
3259 | 0, | |
3260 | }; | |
3261 | ||
3262 | ||
3263 | /* Create an X fontset on frame F with base font name | |
3264 | BASE_FONTNAME.. */ | |
3265 | ||
3266 | static XFontSet | |
3267 | xic_create_xfontset (f, base_fontname) | |
86779fac | 3268 | struct frame *f; |
5a7df7d7 | 3269 | char *base_fontname; |
86779fac | 3270 | { |
5a7df7d7 GM |
3271 | XFontSet xfs; |
3272 | char **missing_list; | |
3273 | int missing_count; | |
3274 | char *def_string; | |
86779fac | 3275 | |
5a7df7d7 GM |
3276 | xfs = XCreateFontSet (FRAME_X_DISPLAY (f), |
3277 | base_fontname, &missing_list, | |
3278 | &missing_count, &def_string); | |
3279 | if (missing_list) | |
3280 | XFreeStringList (missing_list); | |
3281 | ||
3282 | /* No need to free def_string. */ | |
3283 | return xfs; | |
3284 | } | |
3285 | ||
3286 | ||
3287 | /* Value is the best input style, given user preferences USER (already | |
3288 | checked to be supported by Emacs), and styles supported by the | |
3289 | input method XIM. */ | |
3290 | ||
3291 | static XIMStyle | |
3292 | best_xim_style (user, xim) | |
3293 | XIMStyles *user; | |
3294 | XIMStyles *xim; | |
3295 | { | |
3296 | int i, j; | |
3297 | ||
3298 | for (i = 0; i < user->count_styles; ++i) | |
3299 | for (j = 0; j < xim->count_styles; ++j) | |
3300 | if (user->supported_styles[i] == xim->supported_styles[j]) | |
3301 | return user->supported_styles[i]; | |
3302 | ||
3303 | /* Return the default style. */ | |
3304 | return XIMPreeditNothing | XIMStatusNothing; | |
3305 | } | |
3306 | ||
3307 | /* Create XIC for frame F. */ | |
3308 | ||
3309 | void | |
3310 | create_frame_xic (f) | |
3311 | struct frame *f; | |
3312 | { | |
5a7df7d7 GM |
3313 | XIM xim; |
3314 | XIC xic = NULL; | |
3315 | XFontSet xfs = NULL; | |
3316 | static XIMStyle xic_style; | |
86779fac | 3317 | |
5a7df7d7 GM |
3318 | if (FRAME_XIC (f)) |
3319 | return; | |
3320 | ||
3321 | xim = FRAME_X_XIM (f); | |
3322 | if (xim) | |
3323 | { | |
d9d57cb2 DL |
3324 | XRectangle s_area; |
3325 | XPoint spot; | |
5a7df7d7 GM |
3326 | XVaNestedList preedit_attr; |
3327 | XVaNestedList status_attr; | |
3328 | char *base_fontname; | |
3329 | int fontset; | |
3330 | ||
d9d57cb2 DL |
3331 | s_area.x = 0; s_area.y = 0; s_area.width = 1; s_area.height = 1; |
3332 | spot.x = 0; spot.y = 1; | |
5a7df7d7 GM |
3333 | /* Create X fontset. */ |
3334 | fontset = FRAME_FONTSET (f); | |
3335 | if (fontset < 0) | |
3336 | base_fontname = "-*-*-*-r-normal--14-*-*-*-*-*-*-*"; | |
3337 | else | |
3338 | { | |
6ecb43ce KH |
3339 | /* Determine the base fontname from the ASCII font name of |
3340 | FONTSET. */ | |
3341 | char *ascii_font = (char *) XSTRING (fontset_ascii (fontset))->data; | |
3342 | char *p = ascii_font; | |
5a7df7d7 | 3343 | int i; |
6ecb43ce KH |
3344 | |
3345 | for (i = 0; *p; p++) | |
3346 | if (*p == '-') i++; | |
3347 | if (i != 14) | |
3348 | /* As the font name doesn't conform to XLFD, we can't | |
3349 | modify it to get a suitable base fontname for the | |
3350 | frame. */ | |
3351 | base_fontname = "-*-*-*-r-normal--14-*-*-*-*-*-*-*"; | |
3352 | else | |
3353 | { | |
3354 | int len = strlen (ascii_font) + 1; | |
8ec8a5ec | 3355 | char *p1 = NULL; |
6ecb43ce KH |
3356 | |
3357 | for (i = 0, p = ascii_font; i < 8; p++) | |
3358 | { | |
3359 | if (*p == '-') | |
3360 | { | |
3361 | i++; | |
3362 | if (i == 3) | |
3363 | p1 = p + 1; | |
3364 | } | |
3365 | } | |
3366 | base_fontname = (char *) alloca (len); | |
3367 | bzero (base_fontname, len); | |
3368 | strcpy (base_fontname, "-*-*-"); | |
3369 | bcopy (p1, base_fontname + 5, p - p1); | |
3370 | strcat (base_fontname, "*-*-*-*-*-*-*"); | |
3371 | } | |
5a7df7d7 GM |
3372 | } |
3373 | xfs = xic_create_xfontset (f, base_fontname); | |
86779fac | 3374 | |
5a7df7d7 GM |
3375 | /* Determine XIC style. */ |
3376 | if (xic_style == 0) | |
3377 | { | |
3378 | XIMStyles supported_list; | |
3379 | supported_list.count_styles = (sizeof supported_xim_styles | |
3380 | / sizeof supported_xim_styles[0]); | |
3381 | supported_list.supported_styles = supported_xim_styles; | |
3382 | xic_style = best_xim_style (&supported_list, | |
3383 | FRAME_X_XIM_STYLES (f)); | |
3384 | } | |
86779fac | 3385 | |
5a7df7d7 GM |
3386 | preedit_attr = XVaCreateNestedList (0, |
3387 | XNFontSet, xfs, | |
3388 | XNForeground, | |
3389 | FRAME_FOREGROUND_PIXEL (f), | |
3390 | XNBackground, | |
3391 | FRAME_BACKGROUND_PIXEL (f), | |
3392 | (xic_style & XIMPreeditPosition | |
3393 | ? XNSpotLocation | |
3394 | : NULL), | |
3395 | &spot, | |
3396 | NULL); | |
3397 | status_attr = XVaCreateNestedList (0, | |
3398 | XNArea, | |
3399 | &s_area, | |
3400 | XNFontSet, | |
3401 | xfs, | |
3402 | XNForeground, | |
3403 | FRAME_FOREGROUND_PIXEL (f), | |
3404 | XNBackground, | |
3405 | FRAME_BACKGROUND_PIXEL (f), | |
3406 | NULL); | |
3407 | ||
3408 | xic = XCreateIC (xim, | |
3409 | XNInputStyle, xic_style, | |
3410 | XNClientWindow, FRAME_X_WINDOW(f), | |
3411 | XNFocusWindow, FRAME_X_WINDOW(f), | |
3412 | XNStatusAttributes, status_attr, | |
3413 | XNPreeditAttributes, preedit_attr, | |
3414 | NULL); | |
3415 | XFree (preedit_attr); | |
3416 | XFree (status_attr); | |
3417 | } | |
3418 | ||
3419 | FRAME_XIC (f) = xic; | |
3420 | FRAME_XIC_STYLE (f) = xic_style; | |
3421 | FRAME_XIC_FONTSET (f) = xfs; | |
86779fac GM |
3422 | } |
3423 | ||
5a7df7d7 GM |
3424 | |
3425 | /* Destroy XIC and free XIC fontset of frame F, if any. */ | |
3426 | ||
3427 | void | |
3428 | free_frame_xic (f) | |
3429 | struct frame *f; | |
3430 | { | |
3431 | if (FRAME_XIC (f) == NULL) | |
3432 | return; | |
3433 | ||
3434 | XDestroyIC (FRAME_XIC (f)); | |
3435 | if (FRAME_XIC_FONTSET (f)) | |
3436 | XFreeFontSet (FRAME_X_DISPLAY (f), FRAME_XIC_FONTSET (f)); | |
3437 | ||
3438 | FRAME_XIC (f) = NULL; | |
3439 | FRAME_XIC_FONTSET (f) = NULL; | |
3440 | } | |
3441 | ||
3442 | ||
3443 | /* Place preedit area for XIC of window W's frame to specified | |
3444 | pixel position X/Y. X and Y are relative to window W. */ | |
3445 | ||
3446 | void | |
3447 | xic_set_preeditarea (w, x, y) | |
3448 | struct window *w; | |
3449 | int x, y; | |
3450 | { | |
3451 | struct frame *f = XFRAME (w->frame); | |
3452 | XVaNestedList attr; | |
3453 | XPoint spot; | |
3454 | ||
3455 | spot.x = WINDOW_TO_FRAME_PIXEL_X (w, x); | |
3456 | spot.y = WINDOW_TO_FRAME_PIXEL_Y (w, y) + FONT_BASE (FRAME_FONT (f)); | |
3457 | attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL); | |
3458 | XSetICValues (FRAME_XIC (f), XNPreeditAttributes, attr, NULL); | |
3459 | XFree (attr); | |
3460 | } | |
3461 | ||
3462 | ||
3463 | /* Place status area for XIC in bottom right corner of frame F.. */ | |
3464 | ||
3465 | void | |
3466 | xic_set_statusarea (f) | |
3467 | struct frame *f; | |
3468 | { | |
3469 | XIC xic = FRAME_XIC (f); | |
3470 | XVaNestedList attr; | |
3471 | XRectangle area; | |
3472 | XRectangle *needed; | |
3473 | ||
3474 | /* Negotiate geometry of status area. If input method has existing | |
3475 | status area, use its current size. */ | |
3476 | area.x = area.y = area.width = area.height = 0; | |
3477 | attr = XVaCreateNestedList (0, XNAreaNeeded, &area, NULL); | |
3478 | XSetICValues (xic, XNStatusAttributes, attr, NULL); | |
3479 | XFree (attr); | |
3480 | ||
3481 | attr = XVaCreateNestedList (0, XNAreaNeeded, &needed, NULL); | |
3482 | XGetICValues (xic, XNStatusAttributes, attr, NULL); | |
3483 | XFree (attr); | |
3484 | ||
3485 | if (needed->width == 0) /* Use XNArea instead of XNAreaNeeded */ | |
3486 | { | |
3487 | attr = XVaCreateNestedList (0, XNArea, &needed, NULL); | |
3488 | XGetICValues (xic, XNStatusAttributes, attr, NULL); | |
3489 | XFree (attr); | |
3490 | } | |
3491 | ||
3492 | area.width = needed->width; | |
3493 | area.height = needed->height; | |
3494 | area.x = PIXEL_WIDTH (f) - area.width - FRAME_INTERNAL_BORDER_WIDTH (f); | |
3495 | area.y = (PIXEL_HEIGHT (f) - area.height | |
3496 | - FRAME_MENUBAR_HEIGHT (f) - FRAME_INTERNAL_BORDER_WIDTH (f)); | |
3497 | XFree (needed); | |
3498 | ||
3499 | attr = XVaCreateNestedList (0, XNArea, &area, NULL); | |
3500 | XSetICValues(xic, XNStatusAttributes, attr, NULL); | |
3501 | XFree (attr); | |
3502 | } | |
3503 | ||
3504 | ||
3505 | /* Set X fontset for XIC of frame F, using base font name | |
3506 | BASE_FONTNAME. Called when a new Emacs fontset is chosen. */ | |
3507 | ||
3508 | void | |
3509 | xic_set_xfontset (f, base_fontname) | |
3510 | struct frame *f; | |
3511 | char *base_fontname; | |
3512 | { | |
3513 | XVaNestedList attr; | |
3514 | XFontSet xfs; | |
3515 | ||
3516 | xfs = xic_create_xfontset (f, base_fontname); | |
3517 | ||
3518 | attr = XVaCreateNestedList (0, XNFontSet, xfs, NULL); | |
3519 | if (FRAME_XIC_STYLE (f) & XIMPreeditPosition) | |
3520 | XSetICValues (FRAME_XIC (f), XNPreeditAttributes, attr, NULL); | |
3521 | if (FRAME_XIC_STYLE (f) & XIMStatusArea) | |
3522 | XSetICValues (FRAME_XIC (f), XNStatusAttributes, attr, NULL); | |
3523 | XFree (attr); | |
3524 | ||
3525 | if (FRAME_XIC_FONTSET (f)) | |
3526 | XFreeFontSet (FRAME_X_DISPLAY (f), FRAME_XIC_FONTSET (f)); | |
3527 | FRAME_XIC_FONTSET (f) = xfs; | |
3528 | } | |
3529 | ||
3530 | #endif /* HAVE_X_I18N */ | |
3531 | ||
3532 | ||
9ef48a9d | 3533 | \f |
8fc2766b RS |
3534 | #ifdef USE_X_TOOLKIT |
3535 | ||
3536 | /* Create and set up the X widget for frame F. */ | |
f58534a3 | 3537 | |
01f1ba30 | 3538 | static void |
a7f7d550 FP |
3539 | x_window (f, window_prompting, minibuffer_only) |
3540 | struct frame *f; | |
3541 | long window_prompting; | |
3542 | int minibuffer_only; | |
01f1ba30 | 3543 | { |
9ef48a9d | 3544 | XClassHint class_hints; |
31ac8d8c FP |
3545 | XSetWindowAttributes attributes; |
3546 | unsigned long attribute_mask; | |
9ef48a9d RS |
3547 | Widget shell_widget; |
3548 | Widget pane_widget; | |
6c32dd68 | 3549 | Widget frame_widget; |
9ef48a9d RS |
3550 | Arg al [25]; |
3551 | int ac; | |
3552 | ||
3553 | BLOCK_INPUT; | |
3554 | ||
b7975ee4 KH |
3555 | /* Use the resource name as the top-level widget name |
3556 | for looking up resources. Make a non-Lisp copy | |
3557 | for the window manager, so GC relocation won't bother it. | |
3558 | ||
3559 | Elsewhere we specify the window name for the window manager. */ | |
3560 | ||
cca176a0 | 3561 | { |
b7975ee4 KH |
3562 | char *str = (char *) XSTRING (Vx_resource_name)->data; |
3563 | f->namebuf = (char *) xmalloc (strlen (str) + 1); | |
cca176a0 KH |
3564 | strcpy (f->namebuf, str); |
3565 | } | |
9ef48a9d RS |
3566 | |
3567 | ac = 0; | |
3568 | XtSetArg (al[ac], XtNallowShellResize, 1); ac++; | |
3569 | XtSetArg (al[ac], XtNinput, 1); ac++; | |
97787173 | 3570 | XtSetArg (al[ac], XtNmappedWhenManaged, 0); ac++; |
7556890b | 3571 | XtSetArg (al[ac], XtNborderWidth, f->output_data.x->border_width); ac++; |
9b2956e2 GM |
3572 | XtSetArg (al[ac], XtNvisual, FRAME_X_VISUAL (f)); ac++; |
3573 | XtSetArg (al[ac], XtNdepth, FRAME_X_DISPLAY_INFO (f)->n_planes); ac++; | |
3574 | XtSetArg (al[ac], XtNcolormap, FRAME_X_COLORMAP (f)); ac++; | |
cca176a0 | 3575 | shell_widget = XtAppCreateShell (f->namebuf, EMACS_CLASS, |
7a994728 | 3576 | applicationShellWidgetClass, |
82c90203 | 3577 | FRAME_X_DISPLAY (f), al, ac); |
9ef48a9d | 3578 | |
7556890b | 3579 | f->output_data.x->widget = shell_widget; |
9ef48a9d RS |
3580 | /* maybe_set_screen_title_format (shell_widget); */ |
3581 | ||
6c32dd68 PR |
3582 | pane_widget = lw_create_widget ("main", "pane", widget_id_tick++, |
3583 | (widget_value *) NULL, | |
3584 | shell_widget, False, | |
3585 | (lw_callback) NULL, | |
3586 | (lw_callback) NULL, | |
b6e11efd | 3587 | (lw_callback) NULL, |
6c32dd68 | 3588 | (lw_callback) NULL); |
9ef48a9d | 3589 | |
9b2956e2 GM |
3590 | ac = 0; |
3591 | XtSetArg (al[ac], XtNvisual, FRAME_X_VISUAL (f)); ac++; | |
3592 | XtSetArg (al[ac], XtNdepth, FRAME_X_DISPLAY_INFO (f)->n_planes); ac++; | |
3593 | XtSetArg (al[ac], XtNcolormap, FRAME_X_COLORMAP (f)); ac++; | |
3594 | XtSetValues (pane_widget, al, ac); | |
7556890b | 3595 | f->output_data.x->column_widget = pane_widget; |
a7f7d550 | 3596 | |
9ef48a9d | 3597 | /* mappedWhenManaged to false tells to the paned window to not map/unmap |
5e65b9ab | 3598 | the emacs screen when changing menubar. This reduces flickering. */ |
9ef48a9d RS |
3599 | |
3600 | ac = 0; | |
3601 | XtSetArg (al[ac], XtNmappedWhenManaged, 0); ac++; | |
3602 | XtSetArg (al[ac], XtNshowGrip, 0); ac++; | |
3603 | XtSetArg (al[ac], XtNallowResize, 1); ac++; | |
3604 | XtSetArg (al[ac], XtNresizeToPreferred, 1); ac++; | |
3605 | XtSetArg (al[ac], XtNemacsFrame, f); ac++; | |
9b2956e2 GM |
3606 | XtSetArg (al[ac], XtNvisual, FRAME_X_VISUAL (f)); ac++; |
3607 | XtSetArg (al[ac], XtNdepth, FRAME_X_DISPLAY_INFO (f)->n_planes); ac++; | |
3608 | XtSetArg (al[ac], XtNcolormap, FRAME_X_COLORMAP (f)); ac++; | |
3609 | frame_widget = XtCreateWidget (f->namebuf, emacsFrameClass, pane_widget, | |
3610 | al, ac); | |
9ef48a9d | 3611 | |
7556890b | 3612 | f->output_data.x->edit_widget = frame_widget; |
9ef48a9d | 3613 | |
6c32dd68 | 3614 | XtManageChild (frame_widget); |
a7f7d550 FP |
3615 | |
3616 | /* Do some needed geometry management. */ | |
3617 | { | |
3618 | int len; | |
3619 | char *tem, shell_position[32]; | |
3620 | Arg al[2]; | |
3621 | int ac = 0; | |
5031cc10 | 3622 | int extra_borders = 0; |
8fc2766b | 3623 | int menubar_size |
7556890b RS |
3624 | = (f->output_data.x->menubar_widget |
3625 | ? (f->output_data.x->menubar_widget->core.height | |
3626 | + f->output_data.x->menubar_widget->core.border_width) | |
8fc2766b | 3627 | : 0); |
a7f7d550 | 3628 | |
f7008aff RS |
3629 | #if 0 /* Experimentally, we now get the right results |
3630 | for -geometry -0-0 without this. 24 Aug 96, rms. */ | |
01cbdba5 RS |
3631 | if (FRAME_EXTERNAL_MENU_BAR (f)) |
3632 | { | |
dd254b21 | 3633 | Dimension ibw = 0; |
01cbdba5 RS |
3634 | XtVaGetValues (pane_widget, XtNinternalBorderWidth, &ibw, NULL); |
3635 | menubar_size += ibw; | |
3636 | } | |
f7008aff | 3637 | #endif |
01cbdba5 | 3638 | |
7556890b | 3639 | f->output_data.x->menubar_height = menubar_size; |
00983aba | 3640 | |
440b0bfd | 3641 | #ifndef USE_LUCID |
5031cc10 KH |
3642 | /* Motif seems to need this amount added to the sizes |
3643 | specified for the shell widget. The Athena/Lucid widgets don't. | |
3644 | Both conclusions reached experimentally. -- rms. */ | |
440b0bfd RS |
3645 | XtVaGetValues (f->output_data.x->edit_widget, XtNinternalBorderWidth, |
3646 | &extra_borders, NULL); | |
3647 | extra_borders *= 2; | |
3648 | #endif | |
5031cc10 | 3649 | |
97787173 RS |
3650 | /* Convert our geometry parameters into a geometry string |
3651 | and specify it. | |
3652 | Note that we do not specify here whether the position | |
3653 | is a user-specified or program-specified one. | |
3654 | We pass that information later, in x_wm_set_size_hints. */ | |
3655 | { | |
7556890b | 3656 | int left = f->output_data.x->left_pos; |
97787173 | 3657 | int xneg = window_prompting & XNegative; |
7556890b | 3658 | int top = f->output_data.x->top_pos; |
97787173 RS |
3659 | int yneg = window_prompting & YNegative; |
3660 | if (xneg) | |
3661 | left = -left; | |
3662 | if (yneg) | |
3663 | top = -top; | |
c760f47e KH |
3664 | |
3665 | if (window_prompting & USPosition) | |
5031cc10 KH |
3666 | sprintf (shell_position, "=%dx%d%c%d%c%d", |
3667 | PIXEL_WIDTH (f) + extra_borders, | |
3668 | PIXEL_HEIGHT (f) + menubar_size + extra_borders, | |
c760f47e KH |
3669 | (xneg ? '-' : '+'), left, |
3670 | (yneg ? '-' : '+'), top); | |
3671 | else | |
5031cc10 KH |
3672 | sprintf (shell_position, "=%dx%d", |
3673 | PIXEL_WIDTH (f) + extra_borders, | |
3674 | PIXEL_HEIGHT (f) + menubar_size + extra_borders); | |
97787173 RS |
3675 | } |
3676 | ||
a7f7d550 | 3677 | len = strlen (shell_position) + 1; |
77110caa RS |
3678 | /* We don't free this because we don't know whether |
3679 | it is safe to free it while the frame exists. | |
3680 | It isn't worth the trouble of arranging to free it | |
3681 | when the frame is deleted. */ | |
a7f7d550 FP |
3682 | tem = (char *) xmalloc (len); |
3683 | strncpy (tem, shell_position, len); | |
3684 | XtSetArg (al[ac], XtNgeometry, tem); ac++; | |
3685 | XtSetValues (shell_widget, al, ac); | |
3686 | } | |
3687 | ||
9ef48a9d RS |
3688 | XtManageChild (pane_widget); |
3689 | XtRealizeWidget (shell_widget); | |
3690 | ||
6c32dd68 | 3691 | FRAME_X_WINDOW (f) = XtWindow (frame_widget); |
9ef48a9d RS |
3692 | |
3693 | validate_x_resource_name (); | |
b7975ee4 | 3694 | |
9ef48a9d | 3695 | class_hints.res_name = (char *) XSTRING (Vx_resource_name)->data; |
498e9ac3 | 3696 | class_hints.res_class = (char *) XSTRING (Vx_resource_class)->data; |
b9dc4443 | 3697 | XSetClassHint (FRAME_X_DISPLAY (f), XtWindow (shell_widget), &class_hints); |
5a7df7d7 GM |
3698 | |
3699 | #ifdef HAVE_X_I18N | |
3700 | FRAME_XIC (f) = NULL; | |
4bd777b8 | 3701 | #ifdef USE_XIM |
5a7df7d7 | 3702 | create_frame_xic (f); |
4bd777b8 | 3703 | #endif |
5a7df7d7 | 3704 | #endif |
64d16748 | 3705 | |
7556890b RS |
3706 | f->output_data.x->wm_hints.input = True; |
3707 | f->output_data.x->wm_hints.flags |= InputHint; | |
b9dc4443 | 3708 | XSetWMHints (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 3709 | &f->output_data.x->wm_hints); |
b8228beb | 3710 | |
c4ec904f | 3711 | hack_wm_protocols (f, shell_widget); |
9ef48a9d | 3712 | |
6c32dd68 PR |
3713 | #ifdef HACK_EDITRES |
3714 | XtAddEventHandler (shell_widget, 0, True, _XEditResCheckMessages, 0); | |
3715 | #endif | |
3716 | ||
9ef48a9d | 3717 | /* Do a stupid property change to force the server to generate a |
333b20bb | 3718 | PropertyNotify event so that the event_stream server timestamp will |
9ef48a9d RS |
3719 | be initialized to something relevant to the time we created the window. |
3720 | */ | |
6c32dd68 | 3721 | XChangeProperty (XtDisplay (frame_widget), XtWindow (frame_widget), |
b9dc4443 RS |
3722 | FRAME_X_DISPLAY_INFO (f)->Xatom_wm_protocols, |
3723 | XA_ATOM, 32, PropModeAppend, | |
9ef48a9d RS |
3724 | (unsigned char*) NULL, 0); |
3725 | ||
5a7df7d7 | 3726 | /* Make all the standard events reach the Emacs frame. */ |
31ac8d8c | 3727 | attributes.event_mask = STANDARD_EVENT_SET; |
5a7df7d7 GM |
3728 | |
3729 | #ifdef HAVE_X_I18N | |
3730 | if (FRAME_XIC (f)) | |
3731 | { | |
3732 | /* XIM server might require some X events. */ | |
3733 | unsigned long fevent = NoEventMask; | |
3734 | XGetICValues(FRAME_XIC (f), XNFilterEvents, &fevent, NULL); | |
3735 | attributes.event_mask |= fevent; | |
3736 | } | |
3737 | #endif /* HAVE_X_I18N */ | |
3738 | ||
31ac8d8c FP |
3739 | attribute_mask = CWEventMask; |
3740 | XChangeWindowAttributes (XtDisplay (shell_widget), XtWindow (shell_widget), | |
3741 | attribute_mask, &attributes); | |
3742 | ||
6c32dd68 | 3743 | XtMapWidget (frame_widget); |
9ef48a9d | 3744 | |
8fc2766b RS |
3745 | /* x_set_name normally ignores requests to set the name if the |
3746 | requested name is the same as the current name. This is the one | |
3747 | place where that assumption isn't correct; f->name is set, but | |
3748 | the X server hasn't been told. */ | |
3749 | { | |
3750 | Lisp_Object name; | |
3751 | int explicit = f->explicit_name; | |
3752 | ||
3753 | f->explicit_name = 0; | |
3754 | name = f->name; | |
3755 | f->name = Qnil; | |
3756 | x_set_name (f, name, explicit); | |
3757 | } | |
3758 | ||
b9dc4443 | 3759 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 3760 | f->output_data.x->text_cursor); |
8fc2766b RS |
3761 | |
3762 | UNBLOCK_INPUT; | |
3763 | ||
495fa05e GM |
3764 | /* This is a no-op, except under Motif. Make sure main areas are |
3765 | set to something reasonable, in case we get an error later. */ | |
3766 | lw_set_main_areas (pane_widget, 0, frame_widget); | |
8fc2766b RS |
3767 | } |
3768 | ||
9ef48a9d RS |
3769 | #else /* not USE_X_TOOLKIT */ |
3770 | ||
8fc2766b RS |
3771 | /* Create and set up the X window for frame F. */ |
3772 | ||
201d8c78 | 3773 | void |
8fc2766b RS |
3774 | x_window (f) |
3775 | struct frame *f; | |
3776 | ||
3777 | { | |
3778 | XClassHint class_hints; | |
3779 | XSetWindowAttributes attributes; | |
3780 | unsigned long attribute_mask; | |
3781 | ||
7556890b RS |
3782 | attributes.background_pixel = f->output_data.x->background_pixel; |
3783 | attributes.border_pixel = f->output_data.x->border_pixel; | |
01f1ba30 JB |
3784 | attributes.bit_gravity = StaticGravity; |
3785 | attributes.backing_store = NotUseful; | |
3786 | attributes.save_under = True; | |
3787 | attributes.event_mask = STANDARD_EVENT_SET; | |
9b2956e2 GM |
3788 | attributes.colormap = FRAME_X_COLORMAP (f); |
3789 | attribute_mask = (CWBackPixel | CWBorderPixel | CWBitGravity | CWEventMask | |
3790 | | CWColormap); | |
01f1ba30 JB |
3791 | |
3792 | BLOCK_INPUT; | |
fe24a618 | 3793 | FRAME_X_WINDOW (f) |
b9dc4443 | 3794 | = XCreateWindow (FRAME_X_DISPLAY (f), |
7556890b RS |
3795 | f->output_data.x->parent_desc, |
3796 | f->output_data.x->left_pos, | |
3797 | f->output_data.x->top_pos, | |
f676886a | 3798 | PIXEL_WIDTH (f), PIXEL_HEIGHT (f), |
7556890b | 3799 | f->output_data.x->border_width, |
01f1ba30 JB |
3800 | CopyFromParent, /* depth */ |
3801 | InputOutput, /* class */ | |
383d6ffc | 3802 | FRAME_X_VISUAL (f), |
01f1ba30 | 3803 | attribute_mask, &attributes); |
5a7df7d7 GM |
3804 | |
3805 | #ifdef HAVE_X_I18N | |
4bd777b8 | 3806 | #ifdef USE_XIM |
5a7df7d7 GM |
3807 | create_frame_xic (f); |
3808 | if (FRAME_XIC (f)) | |
3809 | { | |
3810 | /* XIM server might require some X events. */ | |
3811 | unsigned long fevent = NoEventMask; | |
3812 | XGetICValues(FRAME_XIC (f), XNFilterEvents, &fevent, NULL); | |
3813 | attributes.event_mask |= fevent; | |
3814 | attribute_mask = CWEventMask; | |
3815 | XChangeWindowAttributes (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
3816 | attribute_mask, &attributes); | |
3817 | } | |
4bd777b8 | 3818 | #endif |
5a7df7d7 GM |
3819 | #endif /* HAVE_X_I18N */ |
3820 | ||
d387c960 | 3821 | validate_x_resource_name (); |
b7975ee4 | 3822 | |
d387c960 | 3823 | class_hints.res_name = (char *) XSTRING (Vx_resource_name)->data; |
498e9ac3 | 3824 | class_hints.res_class = (char *) XSTRING (Vx_resource_class)->data; |
b9dc4443 | 3825 | XSetClassHint (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &class_hints); |
01f1ba30 | 3826 | |
00983aba KH |
3827 | /* The menubar is part of the ordinary display; |
3828 | it does not count in addition to the height of the window. */ | |
7556890b | 3829 | f->output_data.x->menubar_height = 0; |
00983aba | 3830 | |
179956b9 JB |
3831 | /* This indicates that we use the "Passive Input" input model. |
3832 | Unless we do this, we don't get the Focus{In,Out} events that we | |
3833 | need to draw the cursor correctly. Accursed bureaucrats. | |
b9dc4443 | 3834 | XWhipsAndChains (FRAME_X_DISPLAY (f), IronMaiden, &TheRack); */ |
179956b9 | 3835 | |
7556890b RS |
3836 | f->output_data.x->wm_hints.input = True; |
3837 | f->output_data.x->wm_hints.flags |= InputHint; | |
b9dc4443 | 3838 | XSetWMHints (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 3839 | &f->output_data.x->wm_hints); |
6d078211 | 3840 | f->output_data.x->wm_hints.icon_pixmap = None; |
179956b9 | 3841 | |
032e4ebe RS |
3842 | /* Request "save yourself" and "delete window" commands from wm. */ |
3843 | { | |
3844 | Atom protocols[2]; | |
b9dc4443 RS |
3845 | protocols[0] = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_delete_window; |
3846 | protocols[1] = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_save_yourself; | |
3847 | XSetWMProtocols (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), protocols, 2); | |
032e4ebe | 3848 | } |
9ef48a9d | 3849 | |
e373f201 JB |
3850 | /* x_set_name normally ignores requests to set the name if the |
3851 | requested name is the same as the current name. This is the one | |
3852 | place where that assumption isn't correct; f->name is set, but | |
3853 | the X server hasn't been told. */ | |
3854 | { | |
98381190 | 3855 | Lisp_Object name; |
cf177271 | 3856 | int explicit = f->explicit_name; |
e373f201 | 3857 | |
cf177271 | 3858 | f->explicit_name = 0; |
98381190 KH |
3859 | name = f->name; |
3860 | f->name = Qnil; | |
cf177271 | 3861 | x_set_name (f, name, explicit); |
e373f201 JB |
3862 | } |
3863 | ||
b9dc4443 | 3864 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 3865 | f->output_data.x->text_cursor); |
9ef48a9d | 3866 | |
01f1ba30 JB |
3867 | UNBLOCK_INPUT; |
3868 | ||
fe24a618 | 3869 | if (FRAME_X_WINDOW (f) == 0) |
9ef48a9d | 3870 | error ("Unable to create window"); |
01f1ba30 JB |
3871 | } |
3872 | ||
8fc2766b RS |
3873 | #endif /* not USE_X_TOOLKIT */ |
3874 | ||
01f1ba30 JB |
3875 | /* Handle the icon stuff for this window. Perhaps later we might |
3876 | want an x_set_icon_position which can be called interactively as | |
b9dc4443 | 3877 | well. */ |
01f1ba30 JB |
3878 | |
3879 | static void | |
f676886a JB |
3880 | x_icon (f, parms) |
3881 | struct frame *f; | |
01f1ba30 JB |
3882 | Lisp_Object parms; |
3883 | { | |
f9942c9e | 3884 | Lisp_Object icon_x, icon_y; |
abb4b7ec | 3885 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
01f1ba30 JB |
3886 | |
3887 | /* Set the position of the icon. Note that twm groups all | |
b9dc4443 | 3888 | icons in an icon window. */ |
333b20bb GM |
3889 | icon_x = x_get_and_record_arg (f, parms, Qicon_left, 0, 0, RES_TYPE_NUMBER); |
3890 | icon_y = x_get_and_record_arg (f, parms, Qicon_top, 0, 0, RES_TYPE_NUMBER); | |
f9942c9e | 3891 | if (!EQ (icon_x, Qunbound) && !EQ (icon_y, Qunbound)) |
01f1ba30 | 3892 | { |
f9942c9e JB |
3893 | CHECK_NUMBER (icon_x, 0); |
3894 | CHECK_NUMBER (icon_y, 0); | |
01f1ba30 | 3895 | } |
f9942c9e | 3896 | else if (!EQ (icon_x, Qunbound) || !EQ (icon_y, Qunbound)) |
01f1ba30 | 3897 | error ("Both left and top icon corners of icon must be specified"); |
01f1ba30 | 3898 | |
f9942c9e JB |
3899 | BLOCK_INPUT; |
3900 | ||
fe24a618 JB |
3901 | if (! EQ (icon_x, Qunbound)) |
3902 | x_wm_set_icon_position (f, XINT (icon_x), XINT (icon_y)); | |
f9942c9e | 3903 | |
01f1ba30 | 3904 | /* Start up iconic or window? */ |
49795535 | 3905 | x_wm_set_window_state |
333b20bb GM |
3906 | (f, (EQ (x_get_arg (dpyinfo, parms, Qvisibility, 0, 0, RES_TYPE_SYMBOL), |
3907 | Qicon) | |
49795535 JB |
3908 | ? IconicState |
3909 | : NormalState)); | |
01f1ba30 | 3910 | |
f468da95 RS |
3911 | x_text_icon (f, (char *) XSTRING ((!NILP (f->icon_name) |
3912 | ? f->icon_name | |
3913 | : f->name))->data); | |
80534dd6 | 3914 | |
01f1ba30 JB |
3915 | UNBLOCK_INPUT; |
3916 | } | |
3917 | ||
b243755a | 3918 | /* Make the GCs needed for this window, setting the |
01f1ba30 JB |
3919 | background, border and mouse colors; also create the |
3920 | mouse cursor and the gray border tile. */ | |
3921 | ||
f945b920 JB |
3922 | static char cursor_bits[] = |
3923 | { | |
3924 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
3925 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
3926 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
3927 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | |
3928 | }; | |
3929 | ||
01f1ba30 | 3930 | static void |
f676886a JB |
3931 | x_make_gc (f) |
3932 | struct frame *f; | |
01f1ba30 JB |
3933 | { |
3934 | XGCValues gc_values; | |
01f1ba30 | 3935 | |
6afb1d07 JB |
3936 | BLOCK_INPUT; |
3937 | ||
b243755a | 3938 | /* Create the GCs of this frame. |
9ef48a9d | 3939 | Note that many default values are used. */ |
01f1ba30 JB |
3940 | |
3941 | /* Normal video */ | |
7556890b RS |
3942 | gc_values.font = f->output_data.x->font->fid; |
3943 | gc_values.foreground = f->output_data.x->foreground_pixel; | |
3944 | gc_values.background = f->output_data.x->background_pixel; | |
9ef48a9d | 3945 | gc_values.line_width = 0; /* Means 1 using fast algorithm. */ |
959e647d GM |
3946 | f->output_data.x->normal_gc |
3947 | = XCreateGC (FRAME_X_DISPLAY (f), | |
3948 | FRAME_X_WINDOW (f), | |
3949 | GCLineWidth | GCFont | GCForeground | GCBackground, | |
3950 | &gc_values); | |
01f1ba30 | 3951 | |
b9dc4443 | 3952 | /* Reverse video style. */ |
7556890b RS |
3953 | gc_values.foreground = f->output_data.x->background_pixel; |
3954 | gc_values.background = f->output_data.x->foreground_pixel; | |
959e647d GM |
3955 | f->output_data.x->reverse_gc |
3956 | = XCreateGC (FRAME_X_DISPLAY (f), | |
3957 | FRAME_X_WINDOW (f), | |
3958 | GCFont | GCForeground | GCBackground | GCLineWidth, | |
3959 | &gc_values); | |
01f1ba30 | 3960 | |
9ef48a9d | 3961 | /* Cursor has cursor-color background, background-color foreground. */ |
7556890b RS |
3962 | gc_values.foreground = f->output_data.x->background_pixel; |
3963 | gc_values.background = f->output_data.x->cursor_pixel; | |
01f1ba30 JB |
3964 | gc_values.fill_style = FillOpaqueStippled; |
3965 | gc_values.stipple | |
b9dc4443 RS |
3966 | = XCreateBitmapFromData (FRAME_X_DISPLAY (f), |
3967 | FRAME_X_DISPLAY_INFO (f)->root_window, | |
01f1ba30 | 3968 | cursor_bits, 16, 16); |
7556890b | 3969 | f->output_data.x->cursor_gc |
b9dc4443 | 3970 | = XCreateGC (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
01f1ba30 | 3971 | (GCFont | GCForeground | GCBackground |
ac1f48a4 | 3972 | | GCFillStyle /* | GCStipple */ | GCLineWidth), |
01f1ba30 JB |
3973 | &gc_values); |
3974 | ||
333b20bb GM |
3975 | /* Reliefs. */ |
3976 | f->output_data.x->white_relief.gc = 0; | |
3977 | f->output_data.x->black_relief.gc = 0; | |
3978 | ||
01f1ba30 | 3979 | /* Create the gray border tile used when the pointer is not in |
f676886a | 3980 | the frame. Since this depends on the frame's pixel values, |
9ef48a9d | 3981 | this must be done on a per-frame basis. */ |
7556890b | 3982 | f->output_data.x->border_tile |
d043f1a4 | 3983 | = (XCreatePixmapFromBitmapData |
b9dc4443 | 3984 | (FRAME_X_DISPLAY (f), FRAME_X_DISPLAY_INFO (f)->root_window, |
d043f1a4 | 3985 | gray_bits, gray_width, gray_height, |
7556890b RS |
3986 | f->output_data.x->foreground_pixel, |
3987 | f->output_data.x->background_pixel, | |
b9dc4443 RS |
3988 | DefaultDepth (FRAME_X_DISPLAY (f), |
3989 | XScreenNumberOfScreen (FRAME_X_SCREEN (f))))); | |
6afb1d07 JB |
3990 | |
3991 | UNBLOCK_INPUT; | |
01f1ba30 | 3992 | } |
01f1ba30 | 3993 | |
959e647d GM |
3994 | |
3995 | /* Free what was was allocated in x_make_gc. */ | |
3996 | ||
3997 | void | |
3998 | x_free_gcs (f) | |
3999 | struct frame *f; | |
4000 | { | |
4001 | Display *dpy = FRAME_X_DISPLAY (f); | |
4002 | ||
4003 | BLOCK_INPUT; | |
4004 | ||
4005 | if (f->output_data.x->normal_gc) | |
4006 | { | |
4007 | XFreeGC (dpy, f->output_data.x->normal_gc); | |
4008 | f->output_data.x->normal_gc = 0; | |
4009 | } | |
4010 | ||
4011 | if (f->output_data.x->reverse_gc) | |
4012 | { | |
4013 | XFreeGC (dpy, f->output_data.x->reverse_gc); | |
4014 | f->output_data.x->reverse_gc = 0; | |
4015 | } | |
4016 | ||
4017 | if (f->output_data.x->cursor_gc) | |
4018 | { | |
4019 | XFreeGC (dpy, f->output_data.x->cursor_gc); | |
4020 | f->output_data.x->cursor_gc = 0; | |
4021 | } | |
4022 | ||
4023 | if (f->output_data.x->border_tile) | |
4024 | { | |
4025 | XFreePixmap (dpy, f->output_data.x->border_tile); | |
4026 | f->output_data.x->border_tile = 0; | |
4027 | } | |
4028 | ||
4029 | UNBLOCK_INPUT; | |
4030 | } | |
4031 | ||
4032 | ||
eaf1eea9 GM |
4033 | /* Handler for signals raised during x_create_frame and |
4034 | x_create_top_frame. FRAME is the frame which is partially | |
4035 | constructed. */ | |
4036 | ||
4037 | static Lisp_Object | |
4038 | unwind_create_frame (frame) | |
4039 | Lisp_Object frame; | |
4040 | { | |
4041 | struct frame *f = XFRAME (frame); | |
4042 | ||
4043 | /* If frame is ``official'', nothing to do. */ | |
4044 | if (!CONSP (Vframe_list) || !EQ (XCAR (Vframe_list), frame)) | |
4045 | { | |
f1d2ce7f | 4046 | #if GLYPH_DEBUG |
eaf1eea9 GM |
4047 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
4048 | #endif | |
4049 | ||
4050 | x_free_frame_resources (f); | |
4051 | ||
4052 | /* Check that reference counts are indeed correct. */ | |
4053 | xassert (dpyinfo->reference_count == dpyinfo_refcount); | |
4054 | xassert (dpyinfo->image_cache->refcount == image_cache_refcount); | |
c844a81a | 4055 | return Qt; |
eaf1eea9 GM |
4056 | } |
4057 | ||
4058 | return Qnil; | |
4059 | } | |
4060 | ||
4061 | ||
f676886a | 4062 | DEFUN ("x-create-frame", Fx_create_frame, Sx_create_frame, |
01f1ba30 | 4063 | 1, 1, 0, |
f676886a | 4064 | "Make a new X window, which is called a \"frame\" in Emacs terms.\n\ |
08a90d6a | 4065 | Returns an Emacs frame object.\n\ |
f676886a JB |
4066 | ALIST is an alist of frame parameters.\n\ |
4067 | If the parameters specify that the frame should not have a minibuffer,\n\ | |
e22d6b02 | 4068 | and do not specify a specific minibuffer window to use,\n\ |
f676886a | 4069 | then `default-minibuffer-frame' must be a frame whose minibuffer can\n\ |
08a90d6a RS |
4070 | be shared by the new frame.\n\ |
4071 | \n\ | |
4072 | This function is an internal primitive--use `make-frame' instead.") | |
01f1ba30 JB |
4073 | (parms) |
4074 | Lisp_Object parms; | |
4075 | { | |
f676886a | 4076 | struct frame *f; |
2365c027 | 4077 | Lisp_Object frame, tem; |
01f1ba30 JB |
4078 | Lisp_Object name; |
4079 | int minibuffer_only = 0; | |
4080 | long window_prompting = 0; | |
4081 | int width, height; | |
eaf1eea9 | 4082 | int count = BINDING_STACK_SIZE (); |
ecaca587 | 4083 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4; |
b9dc4443 | 4084 | Lisp_Object display; |
333b20bb | 4085 | struct x_display_info *dpyinfo = NULL; |
a59e4f3d | 4086 | Lisp_Object parent; |
e557f19d | 4087 | struct kboard *kb; |
01f1ba30 | 4088 | |
11ae94fe | 4089 | check_x (); |
01f1ba30 | 4090 | |
b7975ee4 KH |
4091 | /* Use this general default value to start with |
4092 | until we know if this frame has a specified name. */ | |
4093 | Vx_resource_name = Vinvocation_name; | |
4094 | ||
333b20bb | 4095 | display = x_get_arg (dpyinfo, parms, Qdisplay, 0, 0, RES_TYPE_STRING); |
b9dc4443 RS |
4096 | if (EQ (display, Qunbound)) |
4097 | display = Qnil; | |
4098 | dpyinfo = check_x_display_info (display); | |
e557f19d KH |
4099 | #ifdef MULTI_KBOARD |
4100 | kb = dpyinfo->kboard; | |
4101 | #else | |
4102 | kb = &the_only_kboard; | |
4103 | #endif | |
b9dc4443 | 4104 | |
333b20bb | 4105 | name = x_get_arg (dpyinfo, parms, Qname, "name", "Name", RES_TYPE_STRING); |
6a5e54e2 | 4106 | if (!STRINGP (name) |
cf177271 JB |
4107 | && ! EQ (name, Qunbound) |
4108 | && ! NILP (name)) | |
08a90d6a | 4109 | error ("Invalid frame name--not a string or nil"); |
01f1ba30 | 4110 | |
b7975ee4 KH |
4111 | if (STRINGP (name)) |
4112 | Vx_resource_name = name; | |
4113 | ||
a59e4f3d | 4114 | /* See if parent window is specified. */ |
333b20bb | 4115 | parent = x_get_arg (dpyinfo, parms, Qparent_id, NULL, NULL, RES_TYPE_NUMBER); |
a59e4f3d RS |
4116 | if (EQ (parent, Qunbound)) |
4117 | parent = Qnil; | |
4118 | if (! NILP (parent)) | |
4119 | CHECK_NUMBER (parent, 0); | |
4120 | ||
ecaca587 RS |
4121 | /* make_frame_without_minibuffer can run Lisp code and garbage collect. */ |
4122 | /* No need to protect DISPLAY because that's not used after passing | |
4123 | it to make_frame_without_minibuffer. */ | |
4124 | frame = Qnil; | |
4125 | GCPRO4 (parms, parent, name, frame); | |
333b20bb GM |
4126 | tem = x_get_arg (dpyinfo, parms, Qminibuffer, "minibuffer", "Minibuffer", |
4127 | RES_TYPE_SYMBOL); | |
f9942c9e | 4128 | if (EQ (tem, Qnone) || NILP (tem)) |
2526c290 | 4129 | f = make_frame_without_minibuffer (Qnil, kb, display); |
f9942c9e | 4130 | else if (EQ (tem, Qonly)) |
01f1ba30 | 4131 | { |
f676886a | 4132 | f = make_minibuffer_frame (); |
01f1ba30 JB |
4133 | minibuffer_only = 1; |
4134 | } | |
6a5e54e2 | 4135 | else if (WINDOWP (tem)) |
2526c290 | 4136 | f = make_frame_without_minibuffer (tem, kb, display); |
f9942c9e JB |
4137 | else |
4138 | f = make_frame (1); | |
01f1ba30 | 4139 | |
ecaca587 RS |
4140 | XSETFRAME (frame, f); |
4141 | ||
a3c87d4e JB |
4142 | /* Note that X Windows does support scroll bars. */ |
4143 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 1; | |
179956b9 | 4144 | |
08a90d6a | 4145 | f->output_method = output_x_window; |
7556890b RS |
4146 | f->output_data.x = (struct x_output *) xmalloc (sizeof (struct x_output)); |
4147 | bzero (f->output_data.x, sizeof (struct x_output)); | |
4148 | f->output_data.x->icon_bitmap = -1; | |
0ecca023 | 4149 | f->output_data.x->fontset = -1; |
333b20bb GM |
4150 | f->output_data.x->scroll_bar_foreground_pixel = -1; |
4151 | f->output_data.x->scroll_bar_background_pixel = -1; | |
eaf1eea9 | 4152 | record_unwind_protect (unwind_create_frame, frame); |
08a90d6a | 4153 | |
f468da95 | 4154 | f->icon_name |
333b20bb GM |
4155 | = x_get_arg (dpyinfo, parms, Qicon_name, "iconName", "Title", |
4156 | RES_TYPE_STRING); | |
f468da95 RS |
4157 | if (! STRINGP (f->icon_name)) |
4158 | f->icon_name = Qnil; | |
80534dd6 | 4159 | |
08a90d6a | 4160 | FRAME_X_DISPLAY_INFO (f) = dpyinfo; |
f1d2ce7f | 4161 | #if GLYPH_DEBUG |
eaf1eea9 GM |
4162 | image_cache_refcount = FRAME_X_IMAGE_CACHE (f)->refcount; |
4163 | dpyinfo_refcount = dpyinfo->reference_count; | |
4164 | #endif /* GLYPH_DEBUG */ | |
73410c76 | 4165 | #ifdef MULTI_KBOARD |
e557f19d | 4166 | FRAME_KBOARD (f) = kb; |
73410c76 | 4167 | #endif |
08a90d6a | 4168 | |
9b2956e2 GM |
4169 | /* These colors will be set anyway later, but it's important |
4170 | to get the color reference counts right, so initialize them! */ | |
4171 | { | |
4172 | Lisp_Object black; | |
4173 | struct gcpro gcpro1; | |
4174 | ||
4175 | black = build_string ("black"); | |
4176 | GCPRO1 (black); | |
4177 | f->output_data.x->foreground_pixel | |
4178 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
4179 | f->output_data.x->background_pixel | |
4180 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
4181 | f->output_data.x->cursor_pixel | |
4182 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
4183 | f->output_data.x->cursor_foreground_pixel | |
4184 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
4185 | f->output_data.x->border_pixel | |
4186 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
4187 | f->output_data.x->mouse_pixel | |
4188 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
4189 | UNGCPRO; | |
4190 | } | |
4191 | ||
a59e4f3d RS |
4192 | /* Specify the parent under which to make this X window. */ |
4193 | ||
4194 | if (!NILP (parent)) | |
4195 | { | |
8c239ac3 | 4196 | f->output_data.x->parent_desc = (Window) XFASTINT (parent); |
7556890b | 4197 | f->output_data.x->explicit_parent = 1; |
a59e4f3d RS |
4198 | } |
4199 | else | |
4200 | { | |
7556890b RS |
4201 | f->output_data.x->parent_desc = FRAME_X_DISPLAY_INFO (f)->root_window; |
4202 | f->output_data.x->explicit_parent = 0; | |
a59e4f3d RS |
4203 | } |
4204 | ||
cf177271 JB |
4205 | /* Set the name; the functions to which we pass f expect the name to |
4206 | be set. */ | |
4207 | if (EQ (name, Qunbound) || NILP (name)) | |
4208 | { | |
08a90d6a | 4209 | f->name = build_string (dpyinfo->x_id_name); |
cf177271 JB |
4210 | f->explicit_name = 0; |
4211 | } | |
4212 | else | |
4213 | { | |
4214 | f->name = name; | |
4215 | f->explicit_name = 1; | |
9ef48a9d RS |
4216 | /* use the frame's title when getting resources for this frame. */ |
4217 | specbind (Qx_resource_name, name); | |
cf177271 | 4218 | } |
01f1ba30 | 4219 | |
01f1ba30 JB |
4220 | /* Extract the window parameters from the supplied values |
4221 | that are needed to determine window geometry. */ | |
d387c960 JB |
4222 | { |
4223 | Lisp_Object font; | |
4224 | ||
333b20bb | 4225 | font = x_get_arg (dpyinfo, parms, Qfont, "font", "Font", RES_TYPE_STRING); |
2ee3abaa | 4226 | |
6817eab4 | 4227 | BLOCK_INPUT; |
e5e548e3 RS |
4228 | /* First, try whatever font the caller has specified. */ |
4229 | if (STRINGP (font)) | |
942ea06d | 4230 | { |
49965a29 | 4231 | tem = Fquery_fontset (font, Qnil); |
477f8642 KH |
4232 | if (STRINGP (tem)) |
4233 | font = x_new_fontset (f, XSTRING (tem)->data); | |
942ea06d KH |
4234 | else |
4235 | font = x_new_font (f, XSTRING (font)->data); | |
4236 | } | |
333b20bb | 4237 | |
e5e548e3 | 4238 | /* Try out a font which we hope has bold and italic variations. */ |
333b20bb GM |
4239 | if (!STRINGP (font)) |
4240 | font = x_new_font (f, "-adobe-courier-medium-r-*-*-*-120-*-*-*-*-iso8859-1"); | |
e5e548e3 | 4241 | if (!STRINGP (font)) |
a6ac02af | 4242 | font = x_new_font (f, "-misc-fixed-medium-r-normal-*-*-140-*-*-c-*-iso8859-1"); |
e5e548e3 | 4243 | if (! STRINGP (font)) |
a6ac02af | 4244 | font = x_new_font (f, "-*-*-medium-r-normal-*-*-140-*-*-c-*-iso8859-1"); |
e5e548e3 RS |
4245 | if (! STRINGP (font)) |
4246 | /* This was formerly the first thing tried, but it finds too many fonts | |
4247 | and takes too long. */ | |
4248 | font = x_new_font (f, "-*-*-medium-r-*-*-*-*-*-*-c-*-iso8859-1"); | |
4249 | /* If those didn't work, look for something which will at least work. */ | |
4250 | if (! STRINGP (font)) | |
a6ac02af | 4251 | font = x_new_font (f, "-*-fixed-*-*-*-*-*-140-*-*-c-*-iso8859-1"); |
6817eab4 JB |
4252 | UNBLOCK_INPUT; |
4253 | if (! STRINGP (font)) | |
e5e548e3 RS |
4254 | font = build_string ("fixed"); |
4255 | ||
477f8642 | 4256 | x_default_parameter (f, parms, Qfont, font, |
333b20bb | 4257 | "font", "Font", RES_TYPE_STRING); |
d387c960 | 4258 | } |
9ef48a9d | 4259 | |
e3881aa0 | 4260 | #ifdef USE_LUCID |
82c90203 RS |
4261 | /* Prevent lwlib/xlwmenu.c from crashing because of a bug |
4262 | whereby it fails to get any font. */ | |
7556890b | 4263 | xlwmenu_default_font = f->output_data.x->font; |
dd254b21 | 4264 | #endif |
82c90203 | 4265 | |
cf177271 | 4266 | x_default_parameter (f, parms, Qborder_width, make_number (2), |
333b20bb GM |
4267 | "borderWidth", "BorderWidth", RES_TYPE_NUMBER); |
4268 | ||
ddf768c3 JB |
4269 | /* This defaults to 2 in order to match xterm. We recognize either |
4270 | internalBorderWidth or internalBorder (which is what xterm calls | |
4271 | it). */ | |
4272 | if (NILP (Fassq (Qinternal_border_width, parms))) | |
4273 | { | |
4274 | Lisp_Object value; | |
4275 | ||
abb4b7ec | 4276 | value = x_get_arg (dpyinfo, parms, Qinternal_border_width, |
333b20bb | 4277 | "internalBorder", "internalBorder", RES_TYPE_NUMBER); |
ddf768c3 JB |
4278 | if (! EQ (value, Qunbound)) |
4279 | parms = Fcons (Fcons (Qinternal_border_width, value), | |
4280 | parms); | |
4281 | } | |
dca97592 | 4282 | x_default_parameter (f, parms, Qinternal_border_width, make_number (1), |
333b20bb GM |
4283 | "internalBorderWidth", "internalBorderWidth", |
4284 | RES_TYPE_NUMBER); | |
1ab3d87e | 4285 | x_default_parameter (f, parms, Qvertical_scroll_bars, Qleft, |
333b20bb GM |
4286 | "verticalScrollBars", "ScrollBars", |
4287 | RES_TYPE_SYMBOL); | |
01f1ba30 | 4288 | |
b9dc4443 | 4289 | /* Also do the stuff which must be set before the window exists. */ |
cf177271 | 4290 | x_default_parameter (f, parms, Qforeground_color, build_string ("black"), |
333b20bb | 4291 | "foreground", "Foreground", RES_TYPE_STRING); |
cf177271 | 4292 | x_default_parameter (f, parms, Qbackground_color, build_string ("white"), |
0b60fc91 | 4293 | "background", "Background", RES_TYPE_STRING); |
cf177271 | 4294 | x_default_parameter (f, parms, Qmouse_color, build_string ("black"), |
333b20bb | 4295 | "pointerColor", "Foreground", RES_TYPE_STRING); |
cf177271 | 4296 | x_default_parameter (f, parms, Qcursor_color, build_string ("black"), |
333b20bb | 4297 | "cursorColor", "Foreground", RES_TYPE_STRING); |
cf177271 | 4298 | x_default_parameter (f, parms, Qborder_color, build_string ("black"), |
333b20bb | 4299 | "borderColor", "BorderColor", RES_TYPE_STRING); |
d62c8769 GM |
4300 | x_default_parameter (f, parms, Qscreen_gamma, Qnil, |
4301 | "screenGamma", "ScreenGamma", RES_TYPE_FLOAT); | |
563b67aa GM |
4302 | x_default_parameter (f, parms, Qline_spacing, Qnil, |
4303 | "lineSpacing", "LineSpacing", RES_TYPE_NUMBER); | |
333b20bb GM |
4304 | |
4305 | x_default_scroll_bar_color_parameter (f, parms, Qscroll_bar_foreground, | |
4306 | "scrollBarForeground", | |
4307 | "ScrollBarForeground", 1); | |
4308 | x_default_scroll_bar_color_parameter (f, parms, Qscroll_bar_background, | |
4309 | "scrollBarBackground", | |
4310 | "ScrollBarBackground", 0); | |
4311 | ||
4312 | /* Init faces before x_default_parameter is called for scroll-bar | |
4313 | parameters because that function calls x_set_scroll_bar_width, | |
4314 | which calls change_frame_size, which calls Fset_window_buffer, | |
4315 | which runs hooks, which call Fvertical_motion. At the end, we | |
4316 | end up in init_iterator with a null face cache, which should not | |
4317 | happen. */ | |
4318 | init_frame_faces (f); | |
4319 | ||
c7bcb20d | 4320 | x_default_parameter (f, parms, Qmenu_bar_lines, make_number (1), |
333b20bb | 4321 | "menuBar", "MenuBar", RES_TYPE_NUMBER); |
e33455ca | 4322 | x_default_parameter (f, parms, Qtool_bar_lines, make_number (1), |
333b20bb | 4323 | "toolBar", "ToolBar", RES_TYPE_NUMBER); |
79873d50 | 4324 | x_default_parameter (f, parms, Qbuffer_predicate, Qnil, |
333b20bb GM |
4325 | "bufferPredicate", "BufferPredicate", |
4326 | RES_TYPE_SYMBOL); | |
c2304e02 | 4327 | x_default_parameter (f, parms, Qtitle, Qnil, |
333b20bb | 4328 | "title", "Title", RES_TYPE_STRING); |
90eb1019 | 4329 | |
7556890b | 4330 | f->output_data.x->parent_desc = FRAME_X_DISPLAY_INFO (f)->root_window; |
f676886a | 4331 | window_prompting = x_figure_window_size (f, parms); |
01f1ba30 | 4332 | |
f83f10ba | 4333 | if (window_prompting & XNegative) |
2365c027 | 4334 | { |
f83f10ba | 4335 | if (window_prompting & YNegative) |
7556890b | 4336 | f->output_data.x->win_gravity = SouthEastGravity; |
f83f10ba | 4337 | else |
7556890b | 4338 | f->output_data.x->win_gravity = NorthEastGravity; |
f83f10ba RS |
4339 | } |
4340 | else | |
4341 | { | |
4342 | if (window_prompting & YNegative) | |
7556890b | 4343 | f->output_data.x->win_gravity = SouthWestGravity; |
f83f10ba | 4344 | else |
7556890b | 4345 | f->output_data.x->win_gravity = NorthWestGravity; |
2365c027 RS |
4346 | } |
4347 | ||
7556890b | 4348 | f->output_data.x->size_hint_flags = window_prompting; |
38d22040 | 4349 | |
495fa05e GM |
4350 | tem = x_get_arg (dpyinfo, parms, Qunsplittable, 0, 0, RES_TYPE_BOOLEAN); |
4351 | f->no_split = minibuffer_only || EQ (tem, Qt); | |
4352 | ||
9ea173e8 | 4353 | /* Create the X widget or window. Add the tool-bar height to the |
333b20bb GM |
4354 | initial frame height so that the user gets a text display area of |
4355 | the size he specified with -g or via .Xdefaults. Later changes | |
9ea173e8 | 4356 | of the tool-bar height don't change the frame size. This is done |
333b20bb | 4357 | so that users can create tall Emacs frames without having to |
9ea173e8 GM |
4358 | guess how tall the tool-bar will get. */ |
4359 | f->height += FRAME_TOOL_BAR_LINES (f); | |
495fa05e | 4360 | |
a7f7d550 FP |
4361 | #ifdef USE_X_TOOLKIT |
4362 | x_window (f, window_prompting, minibuffer_only); | |
4363 | #else | |
f676886a | 4364 | x_window (f); |
a7f7d550 | 4365 | #endif |
495fa05e | 4366 | |
f676886a JB |
4367 | x_icon (f, parms); |
4368 | x_make_gc (f); | |
01f1ba30 | 4369 | |
495fa05e GM |
4370 | /* Now consider the frame official. */ |
4371 | FRAME_X_DISPLAY_INFO (f)->reference_count++; | |
4372 | Vframe_list = Fcons (frame, Vframe_list); | |
4373 | ||
f9942c9e JB |
4374 | /* We need to do this after creating the X window, so that the |
4375 | icon-creation functions can say whose icon they're describing. */ | |
cf177271 | 4376 | x_default_parameter (f, parms, Qicon_type, Qnil, |
333b20bb | 4377 | "bitmapIcon", "BitmapIcon", RES_TYPE_SYMBOL); |
f9942c9e | 4378 | |
cf177271 | 4379 | x_default_parameter (f, parms, Qauto_raise, Qnil, |
333b20bb | 4380 | "autoRaise", "AutoRaiseLower", RES_TYPE_BOOLEAN); |
cf177271 | 4381 | x_default_parameter (f, parms, Qauto_lower, Qnil, |
333b20bb | 4382 | "autoLower", "AutoRaiseLower", RES_TYPE_BOOLEAN); |
dbc4e1c1 | 4383 | x_default_parameter (f, parms, Qcursor_type, Qbox, |
333b20bb | 4384 | "cursorType", "CursorType", RES_TYPE_SYMBOL); |
28d7281d GM |
4385 | x_default_parameter (f, parms, Qscroll_bar_width, Qnil, |
4386 | "scrollBarWidth", "ScrollBarWidth", | |
4387 | RES_TYPE_NUMBER); | |
f9942c9e | 4388 | |
f676886a | 4389 | /* Dimensions, especially f->height, must be done via change_frame_size. |
01f1ba30 | 4390 | Change will not be effected unless different from the current |
b9dc4443 | 4391 | f->height. */ |
f676886a JB |
4392 | width = f->width; |
4393 | height = f->height; | |
1ab3d87e RS |
4394 | f->height = 0; |
4395 | SET_FRAME_WIDTH (f, 0); | |
8938a4fb | 4396 | change_frame_size (f, height, width, 1, 0, 0); |
d043f1a4 | 4397 | |
4a967a9b GM |
4398 | /* Set up faces after all frame parameters are known. This call |
4399 | also merges in face attributes specified for new frames. If we | |
4400 | don't do this, the `menu' face for instance won't have the right | |
4401 | colors, and the menu bar won't appear in the specified colors for | |
4402 | new frames. */ | |
4403 | call1 (Qface_set_after_frame_default, frame); | |
4404 | ||
495fa05e GM |
4405 | #ifdef USE_X_TOOLKIT |
4406 | /* Create the menu bar. */ | |
4407 | if (!minibuffer_only && FRAME_EXTERNAL_MENU_BAR (f)) | |
4408 | { | |
4409 | /* If this signals an error, we haven't set size hints for the | |
4410 | frame and we didn't make it visible. */ | |
4411 | initialize_frame_menubar (f); | |
4412 | ||
4413 | /* This is a no-op, except under Motif where it arranges the | |
4414 | main window for the widgets on it. */ | |
4415 | lw_set_main_areas (f->output_data.x->column_widget, | |
4416 | f->output_data.x->menubar_widget, | |
4417 | f->output_data.x->edit_widget); | |
4418 | } | |
4419 | #endif /* USE_X_TOOLKIT */ | |
4420 | ||
4421 | /* Tell the server what size and position, etc, we want, and how | |
4422 | badly we want them. This should be done after we have the menu | |
4423 | bar so that its size can be taken into account. */ | |
01f1ba30 | 4424 | BLOCK_INPUT; |
7989f084 | 4425 | x_wm_set_size_hint (f, window_prompting, 0); |
01f1ba30 JB |
4426 | UNBLOCK_INPUT; |
4427 | ||
495fa05e GM |
4428 | /* Make the window appear on the frame and enable display, unless |
4429 | the caller says not to. However, with explicit parent, Emacs | |
4430 | cannot control visibility, so don't try. */ | |
7556890b | 4431 | if (! f->output_data.x->explicit_parent) |
a59e4f3d RS |
4432 | { |
4433 | Lisp_Object visibility; | |
49795535 | 4434 | |
333b20bb GM |
4435 | visibility = x_get_arg (dpyinfo, parms, Qvisibility, 0, 0, |
4436 | RES_TYPE_SYMBOL); | |
a59e4f3d RS |
4437 | if (EQ (visibility, Qunbound)) |
4438 | visibility = Qt; | |
49795535 | 4439 | |
a59e4f3d RS |
4440 | if (EQ (visibility, Qicon)) |
4441 | x_iconify_frame (f); | |
4442 | else if (! NILP (visibility)) | |
4443 | x_make_frame_visible (f); | |
4444 | else | |
4445 | /* Must have been Qnil. */ | |
4446 | ; | |
4447 | } | |
01f1ba30 | 4448 | |
495fa05e | 4449 | UNGCPRO; |
9ef48a9d | 4450 | return unbind_to (count, frame); |
01f1ba30 JB |
4451 | } |
4452 | ||
eaf1eea9 | 4453 | |
0d17d282 KH |
4454 | /* FRAME is used only to get a handle on the X display. We don't pass the |
4455 | display info directly because we're called from frame.c, which doesn't | |
4456 | know about that structure. */ | |
e4f79258 | 4457 | |
87498171 | 4458 | Lisp_Object |
0d17d282 KH |
4459 | x_get_focus_frame (frame) |
4460 | struct frame *frame; | |
87498171 | 4461 | { |
0d17d282 | 4462 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (frame); |
87498171 | 4463 | Lisp_Object xfocus; |
0d17d282 | 4464 | if (! dpyinfo->x_focus_frame) |
87498171 KH |
4465 | return Qnil; |
4466 | ||
0d17d282 | 4467 | XSETFRAME (xfocus, dpyinfo->x_focus_frame); |
87498171 KH |
4468 | return xfocus; |
4469 | } | |
f0614854 | 4470 | |
3decc1e7 GM |
4471 | |
4472 | /* In certain situations, when the window manager follows a | |
4473 | click-to-focus policy, there seems to be no way around calling | |
4474 | XSetInputFocus to give another frame the input focus . | |
4475 | ||
4476 | In an ideal world, XSetInputFocus should generally be avoided so | |
4477 | that applications don't interfere with the window manager's focus | |
4478 | policy. But I think it's okay to use when it's clearly done | |
4479 | following a user-command. */ | |
4480 | ||
4481 | DEFUN ("x-focus-frame", Fx_focus_frame, Sx_focus_frame, 1, 1, 0, | |
4482 | "Set the input focus to FRAME.\n\ | |
4483 | FRAME nil means use the selected frame.") | |
4484 | (frame) | |
4485 | Lisp_Object frame; | |
4486 | { | |
4487 | struct frame *f = check_x_frame (frame); | |
4488 | Display *dpy = FRAME_X_DISPLAY (f); | |
4489 | int count; | |
4490 | ||
4491 | BLOCK_INPUT; | |
4492 | count = x_catch_errors (dpy); | |
4493 | XSetInputFocus (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
4494 | RevertToParent, CurrentTime); | |
4495 | x_uncatch_errors (dpy, count); | |
4496 | UNBLOCK_INPUT; | |
4497 | ||
4498 | return Qnil; | |
4499 | } | |
4500 | ||
f0614854 | 4501 | \f |
2d764c78 EZ |
4502 | DEFUN ("xw-color-defined-p", Fxw_color_defined_p, Sxw_color_defined_p, 1, 2, 0, |
4503 | "Internal function called by `color-defined-p', which see.") | |
b9dc4443 RS |
4504 | (color, frame) |
4505 | Lisp_Object color, frame; | |
e12d55b2 | 4506 | { |
b9dc4443 RS |
4507 | XColor foo; |
4508 | FRAME_PTR f = check_x_frame (frame); | |
e12d55b2 | 4509 | |
b9dc4443 RS |
4510 | CHECK_STRING (color, 1); |
4511 | ||
2d764c78 | 4512 | if (x_defined_color (f, XSTRING (color)->data, &foo, 0)) |
e12d55b2 RS |
4513 | return Qt; |
4514 | else | |
4515 | return Qnil; | |
4516 | } | |
4517 | ||
2d764c78 EZ |
4518 | DEFUN ("xw-color-values", Fxw_color_values, Sxw_color_values, 1, 2, 0, |
4519 | "Internal function called by `color-values', which see.") | |
b9dc4443 RS |
4520 | (color, frame) |
4521 | Lisp_Object color, frame; | |
01f1ba30 | 4522 | { |
b9dc4443 RS |
4523 | XColor foo; |
4524 | FRAME_PTR f = check_x_frame (frame); | |
4525 | ||
4526 | CHECK_STRING (color, 1); | |
01f1ba30 | 4527 | |
2d764c78 | 4528 | if (x_defined_color (f, XSTRING (color)->data, &foo, 0)) |
57c82a63 RS |
4529 | { |
4530 | Lisp_Object rgb[3]; | |
4531 | ||
4532 | rgb[0] = make_number (foo.red); | |
4533 | rgb[1] = make_number (foo.green); | |
4534 | rgb[2] = make_number (foo.blue); | |
4535 | return Flist (3, rgb); | |
4536 | } | |
01f1ba30 JB |
4537 | else |
4538 | return Qnil; | |
4539 | } | |
4540 | ||
2d764c78 EZ |
4541 | DEFUN ("xw-display-color-p", Fxw_display_color_p, Sxw_display_color_p, 0, 1, 0, |
4542 | "Internal function called by `display-color-p', which see.") | |
08a90d6a RS |
4543 | (display) |
4544 | Lisp_Object display; | |
01f1ba30 | 4545 | { |
08a90d6a | 4546 | struct x_display_info *dpyinfo = check_x_display_info (display); |
11ae94fe | 4547 | |
b9dc4443 | 4548 | if (dpyinfo->n_planes <= 2) |
01f1ba30 JB |
4549 | return Qnil; |
4550 | ||
b9dc4443 | 4551 | switch (dpyinfo->visual->class) |
01f1ba30 JB |
4552 | { |
4553 | case StaticColor: | |
4554 | case PseudoColor: | |
4555 | case TrueColor: | |
4556 | case DirectColor: | |
4557 | return Qt; | |
4558 | ||
4559 | default: | |
4560 | return Qnil; | |
4561 | } | |
4562 | } | |
4563 | ||
d0c9d219 | 4564 | DEFUN ("x-display-grayscale-p", Fx_display_grayscale_p, Sx_display_grayscale_p, |
b9dc4443 | 4565 | 0, 1, 0, |
08a90d6a | 4566 | "Return t if the X display supports shades of gray.\n\ |
ae6b58f9 | 4567 | Note that color displays do support shades of gray.\n\ |
08a90d6a RS |
4568 | The optional argument DISPLAY specifies which display to ask about.\n\ |
4569 | DISPLAY should be either a frame or a display name (a string).\n\ | |
4570 | If omitted or nil, that stands for the selected frame's display.") | |
4571 | (display) | |
4572 | Lisp_Object display; | |
d0c9d219 | 4573 | { |
08a90d6a | 4574 | struct x_display_info *dpyinfo = check_x_display_info (display); |
d0c9d219 | 4575 | |
ae6b58f9 | 4576 | if (dpyinfo->n_planes <= 1) |
b9dc4443 RS |
4577 | return Qnil; |
4578 | ||
ae6b58f9 RS |
4579 | switch (dpyinfo->visual->class) |
4580 | { | |
4581 | case StaticColor: | |
4582 | case PseudoColor: | |
4583 | case TrueColor: | |
4584 | case DirectColor: | |
4585 | case StaticGray: | |
4586 | case GrayScale: | |
4587 | return Qt; | |
4588 | ||
4589 | default: | |
4590 | return Qnil; | |
4591 | } | |
d0c9d219 RS |
4592 | } |
4593 | ||
41beb8fc RS |
4594 | DEFUN ("x-display-pixel-width", Fx_display_pixel_width, Sx_display_pixel_width, |
4595 | 0, 1, 0, | |
08a90d6a RS |
4596 | "Returns the width in pixels of the X display DISPLAY.\n\ |
4597 | The optional argument DISPLAY specifies which display to ask about.\n\ | |
4598 | DISPLAY should be either a frame or a display name (a string).\n\ | |
4599 | If omitted or nil, that stands for the selected frame's display.") | |
4600 | (display) | |
4601 | Lisp_Object display; | |
41beb8fc | 4602 | { |
08a90d6a | 4603 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
4604 | |
4605 | return make_number (dpyinfo->width); | |
41beb8fc RS |
4606 | } |
4607 | ||
4608 | DEFUN ("x-display-pixel-height", Fx_display_pixel_height, | |
4609 | Sx_display_pixel_height, 0, 1, 0, | |
08a90d6a RS |
4610 | "Returns the height in pixels of the X display DISPLAY.\n\ |
4611 | The optional argument DISPLAY specifies which display to ask about.\n\ | |
4612 | DISPLAY should be either a frame or a display name (a string).\n\ | |
4613 | If omitted or nil, that stands for the selected frame's display.") | |
4614 | (display) | |
4615 | Lisp_Object display; | |
41beb8fc | 4616 | { |
08a90d6a | 4617 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
4618 | |
4619 | return make_number (dpyinfo->height); | |
41beb8fc RS |
4620 | } |
4621 | ||
4622 | DEFUN ("x-display-planes", Fx_display_planes, Sx_display_planes, | |
4623 | 0, 1, 0, | |
08a90d6a RS |
4624 | "Returns the number of bitplanes of the X display DISPLAY.\n\ |
4625 | The optional argument DISPLAY specifies which display to ask about.\n\ | |
4626 | DISPLAY should be either a frame or a display name (a string).\n\ | |
4627 | If omitted or nil, that stands for the selected frame's display.") | |
4628 | (display) | |
4629 | Lisp_Object display; | |
41beb8fc | 4630 | { |
08a90d6a | 4631 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
4632 | |
4633 | return make_number (dpyinfo->n_planes); | |
41beb8fc RS |
4634 | } |
4635 | ||
4636 | DEFUN ("x-display-color-cells", Fx_display_color_cells, Sx_display_color_cells, | |
4637 | 0, 1, 0, | |
08a90d6a RS |
4638 | "Returns the number of color cells of the X display DISPLAY.\n\ |
4639 | The optional argument DISPLAY specifies which display to ask about.\n\ | |
4640 | DISPLAY should be either a frame or a display name (a string).\n\ | |
4641 | If omitted or nil, that stands for the selected frame's display.") | |
4642 | (display) | |
4643 | Lisp_Object display; | |
41beb8fc | 4644 | { |
08a90d6a | 4645 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
4646 | |
4647 | return make_number (DisplayCells (dpyinfo->display, | |
4648 | XScreenNumberOfScreen (dpyinfo->screen))); | |
41beb8fc RS |
4649 | } |
4650 | ||
9d317b2c RS |
4651 | DEFUN ("x-server-max-request-size", Fx_server_max_request_size, |
4652 | Sx_server_max_request_size, | |
4653 | 0, 1, 0, | |
08a90d6a RS |
4654 | "Returns the maximum request size of the X server of display DISPLAY.\n\ |
4655 | The optional argument DISPLAY specifies which display to ask about.\n\ | |
4656 | DISPLAY should be either a frame or a display name (a string).\n\ | |
4657 | If omitted or nil, that stands for the selected frame's display.") | |
4658 | (display) | |
4659 | Lisp_Object display; | |
9d317b2c | 4660 | { |
08a90d6a | 4661 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
4662 | |
4663 | return make_number (MAXREQUEST (dpyinfo->display)); | |
9d317b2c RS |
4664 | } |
4665 | ||
41beb8fc | 4666 | DEFUN ("x-server-vendor", Fx_server_vendor, Sx_server_vendor, 0, 1, 0, |
08a90d6a RS |
4667 | "Returns the vendor ID string of the X server of display DISPLAY.\n\ |
4668 | The optional argument DISPLAY specifies which display to ask about.\n\ | |
4669 | DISPLAY should be either a frame or a display name (a string).\n\ | |
4670 | If omitted or nil, that stands for the selected frame's display.") | |
4671 | (display) | |
4672 | Lisp_Object display; | |
41beb8fc | 4673 | { |
08a90d6a | 4674 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
4675 | char *vendor = ServerVendor (dpyinfo->display); |
4676 | ||
41beb8fc RS |
4677 | if (! vendor) vendor = ""; |
4678 | return build_string (vendor); | |
4679 | } | |
4680 | ||
4681 | DEFUN ("x-server-version", Fx_server_version, Sx_server_version, 0, 1, 0, | |
08a90d6a | 4682 | "Returns the version numbers of the X server of display DISPLAY.\n\ |
41beb8fc RS |
4683 | The value is a list of three integers: the major and minor\n\ |
4684 | version numbers of the X Protocol in use, and the vendor-specific release\n\ | |
08a90d6a RS |
4685 | number. See also the function `x-server-vendor'.\n\n\ |
4686 | The optional argument DISPLAY specifies which display to ask about.\n\ | |
4687 | DISPLAY should be either a frame or a display name (a string).\n\ | |
4688 | If omitted or nil, that stands for the selected frame's display.") | |
4689 | (display) | |
4690 | Lisp_Object display; | |
41beb8fc | 4691 | { |
08a90d6a | 4692 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 | 4693 | Display *dpy = dpyinfo->display; |
11ae94fe | 4694 | |
41beb8fc RS |
4695 | return Fcons (make_number (ProtocolVersion (dpy)), |
4696 | Fcons (make_number (ProtocolRevision (dpy)), | |
4697 | Fcons (make_number (VendorRelease (dpy)), Qnil))); | |
4698 | } | |
4699 | ||
4700 | DEFUN ("x-display-screens", Fx_display_screens, Sx_display_screens, 0, 1, 0, | |
08a90d6a RS |
4701 | "Returns the number of screens on the X server of display DISPLAY.\n\ |
4702 | The optional argument DISPLAY specifies which display to ask about.\n\ | |
4703 | DISPLAY should be either a frame or a display name (a string).\n\ | |
4704 | If omitted or nil, that stands for the selected frame's display.") | |
4705 | (display) | |
4706 | Lisp_Object display; | |
41beb8fc | 4707 | { |
08a90d6a | 4708 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
4709 | |
4710 | return make_number (ScreenCount (dpyinfo->display)); | |
41beb8fc RS |
4711 | } |
4712 | ||
4713 | DEFUN ("x-display-mm-height", Fx_display_mm_height, Sx_display_mm_height, 0, 1, 0, | |
08a90d6a RS |
4714 | "Returns the height in millimeters of the X display DISPLAY.\n\ |
4715 | The optional argument DISPLAY specifies which display to ask about.\n\ | |
4716 | DISPLAY should be either a frame or a display name (a string).\n\ | |
4717 | If omitted or nil, that stands for the selected frame's display.") | |
4718 | (display) | |
4719 | Lisp_Object display; | |
41beb8fc | 4720 | { |
08a90d6a | 4721 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
4722 | |
4723 | return make_number (HeightMMOfScreen (dpyinfo->screen)); | |
41beb8fc RS |
4724 | } |
4725 | ||
4726 | DEFUN ("x-display-mm-width", Fx_display_mm_width, Sx_display_mm_width, 0, 1, 0, | |
08a90d6a RS |
4727 | "Returns the width in millimeters of the X display DISPLAY.\n\ |
4728 | The optional argument DISPLAY specifies which display to ask about.\n\ | |
4729 | DISPLAY should be either a frame or a display name (a string).\n\ | |
4730 | If omitted or nil, that stands for the selected frame's display.") | |
4731 | (display) | |
4732 | Lisp_Object display; | |
41beb8fc | 4733 | { |
08a90d6a | 4734 | struct x_display_info *dpyinfo = check_x_display_info (display); |
b9dc4443 RS |
4735 | |
4736 | return make_number (WidthMMOfScreen (dpyinfo->screen)); | |
41beb8fc RS |
4737 | } |
4738 | ||
4739 | DEFUN ("x-display-backing-store", Fx_display_backing_store, | |
4740 | Sx_display_backing_store, 0, 1, 0, | |
08a90d6a RS |
4741 | "Returns an indication of whether X display DISPLAY does backing store.\n\ |
4742 | The value may be `always', `when-mapped', or `not-useful'.\n\ | |
4743 | The optional argument DISPLAY specifies which display to ask about.\n\ | |
4744 | DISPLAY should be either a frame or a display name (a string).\n\ | |
4745 | If omitted or nil, that stands for the selected frame's display.") | |
4746 | (display) | |
4747 | Lisp_Object display; | |
41beb8fc | 4748 | { |
08a90d6a | 4749 | struct x_display_info *dpyinfo = check_x_display_info (display); |
8ec8a5ec | 4750 | Lisp_Object result; |
11ae94fe | 4751 | |
b9dc4443 | 4752 | switch (DoesBackingStore (dpyinfo->screen)) |
41beb8fc RS |
4753 | { |
4754 | case Always: | |
8ec8a5ec GM |
4755 | result = intern ("always"); |
4756 | break; | |
41beb8fc RS |
4757 | |
4758 | case WhenMapped: | |
8ec8a5ec GM |
4759 | result = intern ("when-mapped"); |
4760 | break; | |
41beb8fc RS |
4761 | |
4762 | case NotUseful: | |
8ec8a5ec GM |
4763 | result = intern ("not-useful"); |
4764 | break; | |
41beb8fc RS |
4765 | |
4766 | default: | |
4767 | error ("Strange value for BackingStore parameter of screen"); | |
8ec8a5ec | 4768 | result = Qnil; |
41beb8fc | 4769 | } |
8ec8a5ec GM |
4770 | |
4771 | return result; | |
41beb8fc RS |
4772 | } |
4773 | ||
4774 | DEFUN ("x-display-visual-class", Fx_display_visual_class, | |
4775 | Sx_display_visual_class, 0, 1, 0, | |
08a90d6a | 4776 | "Returns the visual class of the X display DISPLAY.\n\ |
41beb8fc | 4777 | The value is one of the symbols `static-gray', `gray-scale',\n\ |
08a90d6a RS |
4778 | `static-color', `pseudo-color', `true-color', or `direct-color'.\n\n\ |
4779 | The optional argument DISPLAY specifies which display to ask about.\n\ | |
4780 | DISPLAY should be either a frame or a display name (a string).\n\ | |
4781 | If omitted or nil, that stands for the selected frame's display.") | |
4782 | (display) | |
4783 | Lisp_Object display; | |
41beb8fc | 4784 | { |
08a90d6a | 4785 | struct x_display_info *dpyinfo = check_x_display_info (display); |
8ec8a5ec | 4786 | Lisp_Object result; |
11ae94fe | 4787 | |
b9dc4443 | 4788 | switch (dpyinfo->visual->class) |
41beb8fc | 4789 | { |
8ec8a5ec GM |
4790 | case StaticGray: |
4791 | result = intern ("static-gray"); | |
4792 | break; | |
4793 | case GrayScale: | |
4794 | result = intern ("gray-scale"); | |
4795 | break; | |
4796 | case StaticColor: | |
4797 | result = intern ("static-color"); | |
4798 | break; | |
4799 | case PseudoColor: | |
4800 | result = intern ("pseudo-color"); | |
4801 | break; | |
4802 | case TrueColor: | |
4803 | result = intern ("true-color"); | |
4804 | break; | |
4805 | case DirectColor: | |
4806 | result = intern ("direct-color"); | |
4807 | break; | |
41beb8fc RS |
4808 | default: |
4809 | error ("Display has an unknown visual class"); | |
8ec8a5ec | 4810 | result = Qnil; |
41beb8fc | 4811 | } |
8ec8a5ec GM |
4812 | |
4813 | return result; | |
41beb8fc RS |
4814 | } |
4815 | ||
4816 | DEFUN ("x-display-save-under", Fx_display_save_under, | |
4817 | Sx_display_save_under, 0, 1, 0, | |
08a90d6a RS |
4818 | "Returns t if the X display DISPLAY supports the save-under feature.\n\ |
4819 | The optional argument DISPLAY specifies which display to ask about.\n\ | |
4820 | DISPLAY should be either a frame or a display name (a string).\n\ | |
4821 | If omitted or nil, that stands for the selected frame's display.") | |
4822 | (display) | |
4823 | Lisp_Object display; | |
41beb8fc | 4824 | { |
08a90d6a | 4825 | struct x_display_info *dpyinfo = check_x_display_info (display); |
11ae94fe | 4826 | |
b9dc4443 | 4827 | if (DoesSaveUnders (dpyinfo->screen) == True) |
41beb8fc RS |
4828 | return Qt; |
4829 | else | |
4830 | return Qnil; | |
4831 | } | |
4832 | \f | |
b9dc4443 | 4833 | int |
55caf99c RS |
4834 | x_pixel_width (f) |
4835 | register struct frame *f; | |
01f1ba30 | 4836 | { |
55caf99c | 4837 | return PIXEL_WIDTH (f); |
01f1ba30 JB |
4838 | } |
4839 | ||
b9dc4443 | 4840 | int |
55caf99c RS |
4841 | x_pixel_height (f) |
4842 | register struct frame *f; | |
01f1ba30 | 4843 | { |
55caf99c RS |
4844 | return PIXEL_HEIGHT (f); |
4845 | } | |
4846 | ||
b9dc4443 | 4847 | int |
55caf99c RS |
4848 | x_char_width (f) |
4849 | register struct frame *f; | |
4850 | { | |
7556890b | 4851 | return FONT_WIDTH (f->output_data.x->font); |
55caf99c RS |
4852 | } |
4853 | ||
b9dc4443 | 4854 | int |
55caf99c RS |
4855 | x_char_height (f) |
4856 | register struct frame *f; | |
4857 | { | |
7556890b | 4858 | return f->output_data.x->line_height; |
01f1ba30 | 4859 | } |
b9dc4443 RS |
4860 | |
4861 | int | |
f03f2489 RS |
4862 | x_screen_planes (f) |
4863 | register struct frame *f; | |
b9dc4443 | 4864 | { |
f03f2489 | 4865 | return FRAME_X_DISPLAY_INFO (f)->n_planes; |
b9dc4443 | 4866 | } |
01f1ba30 | 4867 | |
a6ad00c0 GM |
4868 | |
4869 | \f | |
4870 | /************************************************************************ | |
4871 | X Displays | |
4872 | ************************************************************************/ | |
4873 | ||
01f1ba30 | 4874 | \f |
a6ad00c0 GM |
4875 | /* Mapping visual names to visuals. */ |
4876 | ||
4877 | static struct visual_class | |
4878 | { | |
4879 | char *name; | |
4880 | int class; | |
4881 | } | |
4882 | visual_classes[] = | |
4883 | { | |
4884 | {"StaticGray", StaticGray}, | |
4885 | {"GrayScale", GrayScale}, | |
4886 | {"StaticColor", StaticColor}, | |
4887 | {"PseudoColor", PseudoColor}, | |
4888 | {"TrueColor", TrueColor}, | |
4889 | {"DirectColor", DirectColor}, | |
4890 | NULL | |
4891 | }; | |
4892 | ||
4893 | ||
404daac1 | 4894 | #ifndef HAVE_XSCREENNUMBEROFSCREEN |
a6ad00c0 GM |
4895 | |
4896 | /* Value is the screen number of screen SCR. This is a substitute for | |
4897 | the X function with the same name when that doesn't exist. */ | |
4898 | ||
404daac1 RS |
4899 | int |
4900 | XScreenNumberOfScreen (scr) | |
4901 | register Screen *scr; | |
4902 | { | |
a6ad00c0 GM |
4903 | Display *dpy = scr->display; |
4904 | int i; | |
3df34fdb | 4905 | |
a6ad00c0 GM |
4906 | for (i = 0; i < dpy->nscreens; ++i) |
4907 | if (scr == dpy->screens[i]) | |
4908 | break; | |
404daac1 | 4909 | |
a6ad00c0 | 4910 | return i; |
404daac1 | 4911 | } |
a6ad00c0 | 4912 | |
404daac1 RS |
4913 | #endif /* not HAVE_XSCREENNUMBEROFSCREEN */ |
4914 | ||
01f1ba30 | 4915 | |
a6ad00c0 GM |
4916 | /* Select the visual that should be used on display DPYINFO. Set |
4917 | members of DPYINFO appropriately. Called from x_term_init. */ | |
fe24a618 | 4918 | |
a6ad00c0 GM |
4919 | void |
4920 | select_visual (dpyinfo) | |
4921 | struct x_display_info *dpyinfo; | |
4922 | { | |
4923 | Display *dpy = dpyinfo->display; | |
4924 | Screen *screen = dpyinfo->screen; | |
4925 | Lisp_Object value; | |
fe24a618 | 4926 | |
a6ad00c0 GM |
4927 | /* See if a visual is specified. */ |
4928 | value = display_x_get_resource (dpyinfo, | |
4929 | build_string ("visualClass"), | |
4930 | build_string ("VisualClass"), | |
4931 | Qnil, Qnil); | |
4932 | if (STRINGP (value)) | |
4933 | { | |
4934 | /* VALUE should be of the form CLASS-DEPTH, where CLASS is one | |
4935 | of `PseudoColor', `TrueColor' etc. and DEPTH is the color | |
4936 | depth, a decimal number. NAME is compared with case ignored. */ | |
4937 | char *s = (char *) alloca (STRING_BYTES (XSTRING (value)) + 1); | |
4938 | char *dash; | |
4939 | int i, class = -1; | |
4940 | XVisualInfo vinfo; | |
4941 | ||
4942 | strcpy (s, XSTRING (value)->data); | |
4943 | dash = index (s, '-'); | |
4944 | if (dash) | |
4945 | { | |
4946 | dpyinfo->n_planes = atoi (dash + 1); | |
4947 | *dash = '\0'; | |
4948 | } | |
4949 | else | |
4950 | /* We won't find a matching visual with depth 0, so that | |
4951 | an error will be printed below. */ | |
4952 | dpyinfo->n_planes = 0; | |
f0614854 | 4953 | |
a6ad00c0 GM |
4954 | /* Determine the visual class. */ |
4955 | for (i = 0; visual_classes[i].name; ++i) | |
4956 | if (xstricmp (s, visual_classes[i].name) == 0) | |
4957 | { | |
4958 | class = visual_classes[i].class; | |
4959 | break; | |
4960 | } | |
01f1ba30 | 4961 | |
a6ad00c0 GM |
4962 | /* Look up a matching visual for the specified class. */ |
4963 | if (class == -1 | |
4964 | || !XMatchVisualInfo (dpy, XScreenNumberOfScreen (screen), | |
4965 | dpyinfo->n_planes, class, &vinfo)) | |
4966 | fatal ("Invalid visual specification `%s'", XSTRING (value)->data); | |
4967 | ||
4968 | dpyinfo->visual = vinfo.visual; | |
4969 | } | |
01f1ba30 JB |
4970 | else |
4971 | { | |
a6ad00c0 GM |
4972 | int n_visuals; |
4973 | XVisualInfo *vinfo, vinfo_template; | |
4974 | ||
4975 | dpyinfo->visual = DefaultVisualOfScreen (screen); | |
4976 | ||
4977 | #ifdef HAVE_X11R4 | |
4978 | vinfo_template.visualid = XVisualIDFromVisual (dpyinfo->visual); | |
4979 | #else | |
4980 | vinfo_template.visualid = dpyinfo->visual->visualid; | |
4981 | #endif | |
4982 | vinfo_template.screen = XScreenNumberOfScreen (screen); | |
4983 | vinfo = XGetVisualInfo (dpy, VisualIDMask | VisualScreenMask, | |
4984 | &vinfo_template, &n_visuals); | |
4985 | if (n_visuals != 1) | |
4986 | fatal ("Can't get proper X visual info"); | |
4987 | ||
94ac875b | 4988 | dpyinfo->n_planes = vinfo->depth; |
a6ad00c0 GM |
4989 | XFree ((char *) vinfo); |
4990 | } | |
01f1ba30 | 4991 | } |
01f1ba30 | 4992 | |
a6ad00c0 | 4993 | |
b9dc4443 RS |
4994 | /* Return the X display structure for the display named NAME. |
4995 | Open a new connection if necessary. */ | |
4996 | ||
4997 | struct x_display_info * | |
4998 | x_display_info_for_name (name) | |
4999 | Lisp_Object name; | |
5000 | { | |
08a90d6a | 5001 | Lisp_Object names; |
b9dc4443 RS |
5002 | struct x_display_info *dpyinfo; |
5003 | ||
5004 | CHECK_STRING (name, 0); | |
5005 | ||
806048df RS |
5006 | if (! EQ (Vwindow_system, intern ("x"))) |
5007 | error ("Not using X Windows"); | |
5008 | ||
08a90d6a RS |
5009 | for (dpyinfo = x_display_list, names = x_display_name_list; |
5010 | dpyinfo; | |
8e713be6 | 5011 | dpyinfo = dpyinfo->next, names = XCDR (names)) |
b9dc4443 RS |
5012 | { |
5013 | Lisp_Object tem; | |
8e713be6 | 5014 | tem = Fstring_equal (XCAR (XCAR (names)), name); |
08a90d6a | 5015 | if (!NILP (tem)) |
b9dc4443 RS |
5016 | return dpyinfo; |
5017 | } | |
5018 | ||
b7975ee4 KH |
5019 | /* Use this general default value to start with. */ |
5020 | Vx_resource_name = Vinvocation_name; | |
5021 | ||
b9dc4443 RS |
5022 | validate_x_resource_name (); |
5023 | ||
9b207e8e | 5024 | dpyinfo = x_term_init (name, (char *)0, |
b7975ee4 | 5025 | (char *) XSTRING (Vx_resource_name)->data); |
b9dc4443 | 5026 | |
08a90d6a | 5027 | if (dpyinfo == 0) |
1b4ec1c8 | 5028 | error ("Cannot connect to X server %s", XSTRING (name)->data); |
08a90d6a | 5029 | |
b9dc4443 RS |
5030 | x_in_use = 1; |
5031 | XSETFASTINT (Vwindow_system_version, 11); | |
5032 | ||
5033 | return dpyinfo; | |
5034 | } | |
5035 | ||
a6ad00c0 | 5036 | |
01f1ba30 | 5037 | DEFUN ("x-open-connection", Fx_open_connection, Sx_open_connection, |
08a90d6a | 5038 | 1, 3, 0, "Open a connection to an X server.\n\ |
d387c960 | 5039 | DISPLAY is the name of the display to connect to.\n\ |
08a90d6a RS |
5040 | Optional second arg XRM-STRING is a string of resources in xrdb format.\n\ |
5041 | If the optional third arg MUST-SUCCEED is non-nil,\n\ | |
5042 | terminate Emacs if we can't open the connection.") | |
5043 | (display, xrm_string, must_succeed) | |
5044 | Lisp_Object display, xrm_string, must_succeed; | |
01f1ba30 | 5045 | { |
01f1ba30 | 5046 | unsigned char *xrm_option; |
b9dc4443 | 5047 | struct x_display_info *dpyinfo; |
01f1ba30 JB |
5048 | |
5049 | CHECK_STRING (display, 0); | |
d387c960 JB |
5050 | if (! NILP (xrm_string)) |
5051 | CHECK_STRING (xrm_string, 1); | |
01f1ba30 | 5052 | |
806048df RS |
5053 | if (! EQ (Vwindow_system, intern ("x"))) |
5054 | error ("Not using X Windows"); | |
5055 | ||
d387c960 JB |
5056 | if (! NILP (xrm_string)) |
5057 | xrm_option = (unsigned char *) XSTRING (xrm_string)->data; | |
01f1ba30 JB |
5058 | else |
5059 | xrm_option = (unsigned char *) 0; | |
d387c960 JB |
5060 | |
5061 | validate_x_resource_name (); | |
5062 | ||
e1b1bee8 | 5063 | /* This is what opens the connection and sets x_current_display. |
b9dc4443 RS |
5064 | This also initializes many symbols, such as those used for input. */ |
5065 | dpyinfo = x_term_init (display, xrm_option, | |
b7975ee4 | 5066 | (char *) XSTRING (Vx_resource_name)->data); |
f1c16f36 | 5067 | |
08a90d6a RS |
5068 | if (dpyinfo == 0) |
5069 | { | |
5070 | if (!NILP (must_succeed)) | |
1b4ec1c8 KH |
5071 | fatal ("Cannot connect to X server %s.\n\ |
5072 | Check the DISPLAY environment variable or use `-d'.\n\ | |
5073 | Also use the `xhost' program to verify that it is set to permit\n\ | |
5074 | connections from your machine.\n", | |
08a90d6a RS |
5075 | XSTRING (display)->data); |
5076 | else | |
1b4ec1c8 | 5077 | error ("Cannot connect to X server %s", XSTRING (display)->data); |
08a90d6a RS |
5078 | } |
5079 | ||
b9dc4443 | 5080 | x_in_use = 1; |
01f1ba30 | 5081 | |
b9dc4443 | 5082 | XSETFASTINT (Vwindow_system_version, 11); |
01f1ba30 JB |
5083 | return Qnil; |
5084 | } | |
5085 | ||
08a90d6a RS |
5086 | DEFUN ("x-close-connection", Fx_close_connection, |
5087 | Sx_close_connection, 1, 1, 0, | |
5088 | "Close the connection to DISPLAY's X server.\n\ | |
5089 | For DISPLAY, specify either a frame or a display name (a string).\n\ | |
5090 | If DISPLAY is nil, that stands for the selected frame's display.") | |
5091 | (display) | |
5092 | Lisp_Object display; | |
01f1ba30 | 5093 | { |
08a90d6a | 5094 | struct x_display_info *dpyinfo = check_x_display_info (display); |
08a90d6a | 5095 | int i; |
3457bc6e | 5096 | |
08a90d6a RS |
5097 | if (dpyinfo->reference_count > 0) |
5098 | error ("Display still has frames on it"); | |
01f1ba30 | 5099 | |
08a90d6a RS |
5100 | BLOCK_INPUT; |
5101 | /* Free the fonts in the font table. */ | |
5102 | for (i = 0; i < dpyinfo->n_fonts; i++) | |
333b20bb GM |
5103 | if (dpyinfo->font_table[i].name) |
5104 | { | |
6ecb43ce KH |
5105 | if (dpyinfo->font_table[i].name != dpyinfo->font_table[i].full_name) |
5106 | xfree (dpyinfo->font_table[i].full_name); | |
333b20bb | 5107 | xfree (dpyinfo->font_table[i].name); |
333b20bb GM |
5108 | XFreeFont (dpyinfo->display, dpyinfo->font_table[i].font); |
5109 | } | |
5110 | ||
08a90d6a RS |
5111 | x_destroy_all_bitmaps (dpyinfo); |
5112 | XSetCloseDownMode (dpyinfo->display, DestroyAll); | |
82c90203 RS |
5113 | |
5114 | #ifdef USE_X_TOOLKIT | |
5115 | XtCloseDisplay (dpyinfo->display); | |
5116 | #else | |
08a90d6a | 5117 | XCloseDisplay (dpyinfo->display); |
82c90203 | 5118 | #endif |
08a90d6a RS |
5119 | |
5120 | x_delete_display (dpyinfo); | |
5121 | UNBLOCK_INPUT; | |
3457bc6e | 5122 | |
01f1ba30 JB |
5123 | return Qnil; |
5124 | } | |
5125 | ||
08a90d6a RS |
5126 | DEFUN ("x-display-list", Fx_display_list, Sx_display_list, 0, 0, 0, |
5127 | "Return the list of display names that Emacs has connections to.") | |
5128 | () | |
5129 | { | |
5130 | Lisp_Object tail, result; | |
5131 | ||
5132 | result = Qnil; | |
8e713be6 KR |
5133 | for (tail = x_display_name_list; ! NILP (tail); tail = XCDR (tail)) |
5134 | result = Fcons (XCAR (XCAR (tail)), result); | |
08a90d6a RS |
5135 | |
5136 | return result; | |
5137 | } | |
5138 | ||
5139 | DEFUN ("x-synchronize", Fx_synchronize, Sx_synchronize, 1, 2, 0, | |
5140 | "If ON is non-nil, report X errors as soon as the erring request is made.\n\ | |
01f1ba30 JB |
5141 | If ON is nil, allow buffering of requests.\n\ |
5142 | Turning on synchronization prohibits the Xlib routines from buffering\n\ | |
5143 | requests and seriously degrades performance, but makes debugging much\n\ | |
7a9a9813 | 5144 | easier.\n\ |
08a90d6a RS |
5145 | The optional second argument DISPLAY specifies which display to act on.\n\ |
5146 | DISPLAY should be either a frame or a display name (a string).\n\ | |
5147 | If DISPLAY is omitted or nil, that stands for the selected frame's display.") | |
5148 | (on, display) | |
5149 | Lisp_Object display, on; | |
01f1ba30 | 5150 | { |
08a90d6a | 5151 | struct x_display_info *dpyinfo = check_x_display_info (display); |
11ae94fe | 5152 | |
b9dc4443 | 5153 | XSynchronize (dpyinfo->display, !EQ (on, Qnil)); |
01f1ba30 JB |
5154 | |
5155 | return Qnil; | |
5156 | } | |
5157 | ||
b9dc4443 | 5158 | /* Wait for responses to all X commands issued so far for frame F. */ |
6b7b1820 RS |
5159 | |
5160 | void | |
b9dc4443 RS |
5161 | x_sync (f) |
5162 | FRAME_PTR f; | |
6b7b1820 | 5163 | { |
4e87f4d2 | 5164 | BLOCK_INPUT; |
b9dc4443 | 5165 | XSync (FRAME_X_DISPLAY (f), False); |
4e87f4d2 | 5166 | UNBLOCK_INPUT; |
6b7b1820 | 5167 | } |
333b20bb | 5168 | |
01f1ba30 | 5169 | \f |
333b20bb GM |
5170 | /*********************************************************************** |
5171 | Image types | |
5172 | ***********************************************************************/ | |
f1c16f36 | 5173 | |
333b20bb GM |
5174 | /* Value is the number of elements of vector VECTOR. */ |
5175 | ||
5176 | #define DIM(VECTOR) (sizeof (VECTOR) / sizeof *(VECTOR)) | |
5177 | ||
5178 | /* List of supported image types. Use define_image_type to add new | |
5179 | types. Use lookup_image_type to find a type for a given symbol. */ | |
5180 | ||
5181 | static struct image_type *image_types; | |
5182 | ||
333b20bb GM |
5183 | /* The symbol `image' which is the car of the lists used to represent |
5184 | images in Lisp. */ | |
5185 | ||
5186 | extern Lisp_Object Qimage; | |
5187 | ||
5188 | /* The symbol `xbm' which is used as the type symbol for XBM images. */ | |
5189 | ||
5190 | Lisp_Object Qxbm; | |
5191 | ||
5192 | /* Keywords. */ | |
5193 | ||
0fe92f72 | 5194 | extern Lisp_Object QCwidth, QCheight, QCforeground, QCbackground, QCfile; |
90ebdb19 GM |
5195 | extern Lisp_Object QCdata; |
5196 | Lisp_Object QCtype, QCascent, QCmargin, QCrelief; | |
333b20bb | 5197 | Lisp_Object QCalgorithm, QCcolor_symbols, QCheuristic_mask; |
4a8e312c | 5198 | Lisp_Object QCindex, QCmatrix, QCcolor_adjustment, QCmask; |
333b20bb GM |
5199 | |
5200 | /* Other symbols. */ | |
5201 | ||
4a8e312c | 5202 | Lisp_Object Qlaplace, Qemboss, Qedge_detection, Qheuristic; |
333b20bb GM |
5203 | |
5204 | /* Time in seconds after which images should be removed from the cache | |
5205 | if not displayed. */ | |
5206 | ||
fcf431dc | 5207 | Lisp_Object Vimage_cache_eviction_delay; |
333b20bb GM |
5208 | |
5209 | /* Function prototypes. */ | |
5210 | ||
5211 | static void define_image_type P_ ((struct image_type *type)); | |
5212 | static struct image_type *lookup_image_type P_ ((Lisp_Object symbol)); | |
5213 | static void image_error P_ ((char *format, Lisp_Object, Lisp_Object)); | |
5214 | static void x_laplace P_ ((struct frame *, struct image *)); | |
4a8e312c | 5215 | static void x_emboss P_ ((struct frame *, struct image *)); |
45158a91 GM |
5216 | static int x_build_heuristic_mask P_ ((struct frame *, struct image *, |
5217 | Lisp_Object)); | |
333b20bb GM |
5218 | |
5219 | ||
5220 | /* Define a new image type from TYPE. This adds a copy of TYPE to | |
5221 | image_types and adds the symbol *TYPE->type to Vimage_types. */ | |
5222 | ||
5223 | static void | |
5224 | define_image_type (type) | |
5225 | struct image_type *type; | |
5226 | { | |
5227 | /* Make a copy of TYPE to avoid a bus error in a dumped Emacs. | |
5228 | The initialized data segment is read-only. */ | |
5229 | struct image_type *p = (struct image_type *) xmalloc (sizeof *p); | |
5230 | bcopy (type, p, sizeof *p); | |
5231 | p->next = image_types; | |
5232 | image_types = p; | |
5233 | Vimage_types = Fcons (*p->type, Vimage_types); | |
5234 | } | |
5235 | ||
5236 | ||
5237 | /* Look up image type SYMBOL, and return a pointer to its image_type | |
5238 | structure. Value is null if SYMBOL is not a known image type. */ | |
5239 | ||
5240 | static INLINE struct image_type * | |
5241 | lookup_image_type (symbol) | |
5242 | Lisp_Object symbol; | |
5243 | { | |
5244 | struct image_type *type; | |
5245 | ||
5246 | for (type = image_types; type; type = type->next) | |
5247 | if (EQ (symbol, *type->type)) | |
5248 | break; | |
5249 | ||
5250 | return type; | |
5251 | } | |
5252 | ||
5253 | ||
5254 | /* Value is non-zero if OBJECT is a valid Lisp image specification. A | |
5255 | valid image specification is a list whose car is the symbol | |
5256 | `image', and whose rest is a property list. The property list must | |
5257 | contain a value for key `:type'. That value must be the name of a | |
5258 | supported image type. The rest of the property list depends on the | |
5259 | image type. */ | |
5260 | ||
5261 | int | |
5262 | valid_image_p (object) | |
5263 | Lisp_Object object; | |
5264 | { | |
5265 | int valid_p = 0; | |
5266 | ||
5267 | if (CONSP (object) && EQ (XCAR (object), Qimage)) | |
5268 | { | |
5269 | Lisp_Object symbol = Fplist_get (XCDR (object), QCtype); | |
5270 | struct image_type *type = lookup_image_type (symbol); | |
5271 | ||
5272 | if (type) | |
5273 | valid_p = type->valid_p (object); | |
5274 | } | |
5275 | ||
5276 | return valid_p; | |
5277 | } | |
5278 | ||
5279 | ||
7ab1745f GM |
5280 | /* Log error message with format string FORMAT and argument ARG. |
5281 | Signaling an error, e.g. when an image cannot be loaded, is not a | |
5282 | good idea because this would interrupt redisplay, and the error | |
5283 | message display would lead to another redisplay. This function | |
5284 | therefore simply displays a message. */ | |
333b20bb GM |
5285 | |
5286 | static void | |
5287 | image_error (format, arg1, arg2) | |
5288 | char *format; | |
5289 | Lisp_Object arg1, arg2; | |
5290 | { | |
7ab1745f | 5291 | add_to_log (format, arg1, arg2); |
333b20bb GM |
5292 | } |
5293 | ||
5294 | ||
5295 | \f | |
5296 | /*********************************************************************** | |
5297 | Image specifications | |
5298 | ***********************************************************************/ | |
5299 | ||
5300 | enum image_value_type | |
5301 | { | |
5302 | IMAGE_DONT_CHECK_VALUE_TYPE, | |
5303 | IMAGE_STRING_VALUE, | |
5304 | IMAGE_SYMBOL_VALUE, | |
5305 | IMAGE_POSITIVE_INTEGER_VALUE, | |
5306 | IMAGE_NON_NEGATIVE_INTEGER_VALUE, | |
7c7ff7f5 | 5307 | IMAGE_ASCENT_VALUE, |
333b20bb GM |
5308 | IMAGE_INTEGER_VALUE, |
5309 | IMAGE_FUNCTION_VALUE, | |
5310 | IMAGE_NUMBER_VALUE, | |
5311 | IMAGE_BOOL_VALUE | |
5312 | }; | |
5313 | ||
5314 | /* Structure used when parsing image specifications. */ | |
5315 | ||
5316 | struct image_keyword | |
5317 | { | |
5318 | /* Name of keyword. */ | |
5319 | char *name; | |
5320 | ||
5321 | /* The type of value allowed. */ | |
5322 | enum image_value_type type; | |
5323 | ||
5324 | /* Non-zero means key must be present. */ | |
5325 | int mandatory_p; | |
5326 | ||
5327 | /* Used to recognize duplicate keywords in a property list. */ | |
5328 | int count; | |
5329 | ||
5330 | /* The value that was found. */ | |
5331 | Lisp_Object value; | |
5332 | }; | |
5333 | ||
5334 | ||
bfd2209f GM |
5335 | static int parse_image_spec P_ ((Lisp_Object, struct image_keyword *, |
5336 | int, Lisp_Object)); | |
333b20bb GM |
5337 | static Lisp_Object image_spec_value P_ ((Lisp_Object, Lisp_Object, int *)); |
5338 | ||
5339 | ||
5340 | /* Parse image spec SPEC according to KEYWORDS. A valid image spec | |
5341 | has the format (image KEYWORD VALUE ...). One of the keyword/ | |
5342 | value pairs must be `:type TYPE'. KEYWORDS is a vector of | |
5343 | image_keywords structures of size NKEYWORDS describing other | |
bfd2209f | 5344 | allowed keyword/value pairs. Value is non-zero if SPEC is valid. */ |
333b20bb GM |
5345 | |
5346 | static int | |
bfd2209f | 5347 | parse_image_spec (spec, keywords, nkeywords, type) |
333b20bb GM |
5348 | Lisp_Object spec; |
5349 | struct image_keyword *keywords; | |
5350 | int nkeywords; | |
5351 | Lisp_Object type; | |
333b20bb GM |
5352 | { |
5353 | int i; | |
5354 | Lisp_Object plist; | |
5355 | ||
5356 | if (!CONSP (spec) || !EQ (XCAR (spec), Qimage)) | |
5357 | return 0; | |
5358 | ||
5359 | plist = XCDR (spec); | |
5360 | while (CONSP (plist)) | |
5361 | { | |
5362 | Lisp_Object key, value; | |
5363 | ||
5364 | /* First element of a pair must be a symbol. */ | |
5365 | key = XCAR (plist); | |
5366 | plist = XCDR (plist); | |
5367 | if (!SYMBOLP (key)) | |
5368 | return 0; | |
5369 | ||
5370 | /* There must follow a value. */ | |
5371 | if (!CONSP (plist)) | |
5372 | return 0; | |
5373 | value = XCAR (plist); | |
5374 | plist = XCDR (plist); | |
5375 | ||
5376 | /* Find key in KEYWORDS. Error if not found. */ | |
5377 | for (i = 0; i < nkeywords; ++i) | |
5378 | if (strcmp (keywords[i].name, XSYMBOL (key)->name->data) == 0) | |
5379 | break; | |
5380 | ||
5381 | if (i == nkeywords) | |
bfd2209f | 5382 | continue; |
333b20bb GM |
5383 | |
5384 | /* Record that we recognized the keyword. If a keywords | |
5385 | was found more than once, it's an error. */ | |
5386 | keywords[i].value = value; | |
5387 | ++keywords[i].count; | |
5388 | ||
5389 | if (keywords[i].count > 1) | |
5390 | return 0; | |
5391 | ||
5392 | /* Check type of value against allowed type. */ | |
5393 | switch (keywords[i].type) | |
5394 | { | |
5395 | case IMAGE_STRING_VALUE: | |
5396 | if (!STRINGP (value)) | |
5397 | return 0; | |
5398 | break; | |
5399 | ||
5400 | case IMAGE_SYMBOL_VALUE: | |
5401 | if (!SYMBOLP (value)) | |
5402 | return 0; | |
5403 | break; | |
5404 | ||
5405 | case IMAGE_POSITIVE_INTEGER_VALUE: | |
5406 | if (!INTEGERP (value) || XINT (value) <= 0) | |
5407 | return 0; | |
5408 | break; | |
5409 | ||
7c7ff7f5 GM |
5410 | case IMAGE_ASCENT_VALUE: |
5411 | if (SYMBOLP (value) && EQ (value, Qcenter)) | |
5412 | break; | |
5413 | else if (INTEGERP (value) | |
5414 | && XINT (value) >= 0 | |
5415 | && XINT (value) <= 100) | |
5416 | break; | |
5417 | return 0; | |
5418 | ||
333b20bb GM |
5419 | case IMAGE_NON_NEGATIVE_INTEGER_VALUE: |
5420 | if (!INTEGERP (value) || XINT (value) < 0) | |
5421 | return 0; | |
5422 | break; | |
5423 | ||
5424 | case IMAGE_DONT_CHECK_VALUE_TYPE: | |
5425 | break; | |
5426 | ||
5427 | case IMAGE_FUNCTION_VALUE: | |
5428 | value = indirect_function (value); | |
5429 | if (SUBRP (value) | |
5430 | || COMPILEDP (value) | |
5431 | || (CONSP (value) && EQ (XCAR (value), Qlambda))) | |
5432 | break; | |
5433 | return 0; | |
5434 | ||
5435 | case IMAGE_NUMBER_VALUE: | |
5436 | if (!INTEGERP (value) && !FLOATP (value)) | |
5437 | return 0; | |
5438 | break; | |
5439 | ||
5440 | case IMAGE_INTEGER_VALUE: | |
5441 | if (!INTEGERP (value)) | |
5442 | return 0; | |
5443 | break; | |
5444 | ||
5445 | case IMAGE_BOOL_VALUE: | |
5446 | if (!NILP (value) && !EQ (value, Qt)) | |
5447 | return 0; | |
5448 | break; | |
5449 | ||
5450 | default: | |
5451 | abort (); | |
5452 | break; | |
5453 | } | |
5454 | ||
5455 | if (EQ (key, QCtype) && !EQ (type, value)) | |
5456 | return 0; | |
5457 | } | |
5458 | ||
5459 | /* Check that all mandatory fields are present. */ | |
5460 | for (i = 0; i < nkeywords; ++i) | |
5461 | if (keywords[i].mandatory_p && keywords[i].count == 0) | |
5462 | return 0; | |
5463 | ||
5464 | return NILP (plist); | |
5465 | } | |
5466 | ||
5467 | ||
5468 | /* Return the value of KEY in image specification SPEC. Value is nil | |
5469 | if KEY is not present in SPEC. if FOUND is not null, set *FOUND | |
5470 | to 1 if KEY was found in SPEC, set it to 0 otherwise. */ | |
5471 | ||
5472 | static Lisp_Object | |
5473 | image_spec_value (spec, key, found) | |
5474 | Lisp_Object spec, key; | |
5475 | int *found; | |
5476 | { | |
5477 | Lisp_Object tail; | |
5478 | ||
5479 | xassert (valid_image_p (spec)); | |
5480 | ||
5481 | for (tail = XCDR (spec); | |
5482 | CONSP (tail) && CONSP (XCDR (tail)); | |
5483 | tail = XCDR (XCDR (tail))) | |
5484 | { | |
5485 | if (EQ (XCAR (tail), key)) | |
5486 | { | |
5487 | if (found) | |
5488 | *found = 1; | |
5489 | return XCAR (XCDR (tail)); | |
5490 | } | |
5491 | } | |
5492 | ||
5493 | if (found) | |
5494 | *found = 0; | |
5495 | return Qnil; | |
5496 | } | |
5497 | ||
5498 | ||
42677916 GM |
5499 | DEFUN ("image-size", Fimage_size, Simage_size, 1, 3, 0, |
5500 | "Return the size of image SPEC as pair (WIDTH . HEIGHT).\n\ | |
5501 | PIXELS non-nil means return the size in pixels, otherwise return the\n\ | |
5502 | size in canonical character units.\n\ | |
5503 | FRAME is the frame on which the image will be displayed. FRAME nil\n\ | |
5504 | or omitted means use the selected frame.") | |
5505 | (spec, pixels, frame) | |
5506 | Lisp_Object spec, pixels, frame; | |
5507 | { | |
5508 | Lisp_Object size; | |
5509 | ||
5510 | size = Qnil; | |
5511 | if (valid_image_p (spec)) | |
5512 | { | |
5513 | struct frame *f = check_x_frame (frame); | |
83676598 | 5514 | int id = lookup_image (f, spec); |
42677916 GM |
5515 | struct image *img = IMAGE_FROM_ID (f, id); |
5516 | int width = img->width + 2 * img->margin; | |
5517 | int height = img->height + 2 * img->margin; | |
5518 | ||
5519 | if (NILP (pixels)) | |
5520 | size = Fcons (make_float ((double) width / CANON_X_UNIT (f)), | |
5521 | make_float ((double) height / CANON_Y_UNIT (f))); | |
5522 | else | |
5523 | size = Fcons (make_number (width), make_number (height)); | |
5524 | } | |
5525 | else | |
5526 | error ("Invalid image specification"); | |
5527 | ||
5528 | return size; | |
5529 | } | |
5530 | ||
333b20bb | 5531 | |
b243755a GM |
5532 | DEFUN ("image-mask-p", Fimage_mask_p, Simage_mask_p, 1, 2, 0, |
5533 | "Return t if image SPEC has a mask bitmap.\n\ | |
5534 | FRAME is the frame on which the image will be displayed. FRAME nil\n\ | |
5535 | or omitted means use the selected frame.") | |
5536 | (spec, frame) | |
5537 | Lisp_Object spec, frame; | |
5538 | { | |
5539 | Lisp_Object mask; | |
5540 | ||
5541 | mask = Qnil; | |
5542 | if (valid_image_p (spec)) | |
5543 | { | |
5544 | struct frame *f = check_x_frame (frame); | |
83676598 | 5545 | int id = lookup_image (f, spec); |
b243755a GM |
5546 | struct image *img = IMAGE_FROM_ID (f, id); |
5547 | if (img->mask) | |
5548 | mask = Qt; | |
5549 | } | |
5550 | else | |
5551 | error ("Invalid image specification"); | |
5552 | ||
5553 | return mask; | |
5554 | } | |
5555 | ||
5556 | ||
333b20bb GM |
5557 | \f |
5558 | /*********************************************************************** | |
5559 | Image type independent image structures | |
5560 | ***********************************************************************/ | |
5561 | ||
5562 | static struct image *make_image P_ ((Lisp_Object spec, unsigned hash)); | |
5563 | static void free_image P_ ((struct frame *f, struct image *img)); | |
5564 | ||
5565 | ||
5566 | /* Allocate and return a new image structure for image specification | |
5567 | SPEC. SPEC has a hash value of HASH. */ | |
5568 | ||
5569 | static struct image * | |
5570 | make_image (spec, hash) | |
5571 | Lisp_Object spec; | |
5572 | unsigned hash; | |
5573 | { | |
5574 | struct image *img = (struct image *) xmalloc (sizeof *img); | |
5575 | ||
5576 | xassert (valid_image_p (spec)); | |
5577 | bzero (img, sizeof *img); | |
5578 | img->type = lookup_image_type (image_spec_value (spec, QCtype, NULL)); | |
5579 | xassert (img->type != NULL); | |
5580 | img->spec = spec; | |
5581 | img->data.lisp_val = Qnil; | |
5582 | img->ascent = DEFAULT_IMAGE_ASCENT; | |
5583 | img->hash = hash; | |
5584 | return img; | |
5585 | } | |
5586 | ||
5587 | ||
5588 | /* Free image IMG which was used on frame F, including its resources. */ | |
5589 | ||
5590 | static void | |
5591 | free_image (f, img) | |
5592 | struct frame *f; | |
5593 | struct image *img; | |
5594 | { | |
5595 | if (img) | |
5596 | { | |
5597 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); | |
5598 | ||
5599 | /* Remove IMG from the hash table of its cache. */ | |
5600 | if (img->prev) | |
5601 | img->prev->next = img->next; | |
5602 | else | |
5603 | c->buckets[img->hash % IMAGE_CACHE_BUCKETS_SIZE] = img->next; | |
5604 | ||
5605 | if (img->next) | |
5606 | img->next->prev = img->prev; | |
5607 | ||
5608 | c->images[img->id] = NULL; | |
5609 | ||
5610 | /* Free resources, then free IMG. */ | |
5611 | img->type->free (f, img); | |
5612 | xfree (img); | |
5613 | } | |
5614 | } | |
5615 | ||
5616 | ||
5617 | /* Prepare image IMG for display on frame F. Must be called before | |
5618 | drawing an image. */ | |
5619 | ||
5620 | void | |
5621 | prepare_image_for_display (f, img) | |
5622 | struct frame *f; | |
5623 | struct image *img; | |
5624 | { | |
5625 | EMACS_TIME t; | |
5626 | ||
5627 | /* We're about to display IMG, so set its timestamp to `now'. */ | |
5628 | EMACS_GET_TIME (t); | |
5629 | img->timestamp = EMACS_SECS (t); | |
5630 | ||
5631 | /* If IMG doesn't have a pixmap yet, load it now, using the image | |
5632 | type dependent loader function. */ | |
dd00328a | 5633 | if (img->pixmap == None && !img->load_failed_p) |
209061be | 5634 | img->load_failed_p = img->type->load (f, img) == 0; |
333b20bb GM |
5635 | } |
5636 | ||
5637 | ||
7c7ff7f5 GM |
5638 | /* Value is the number of pixels for the ascent of image IMG when |
5639 | drawn in face FACE. */ | |
5640 | ||
5641 | int | |
5642 | image_ascent (img, face) | |
5643 | struct image *img; | |
5644 | struct face *face; | |
5645 | { | |
5646 | int height = img->height + img->margin; | |
5647 | int ascent; | |
5648 | ||
5649 | if (img->ascent == CENTERED_IMAGE_ASCENT) | |
5650 | { | |
5651 | if (face->font) | |
3694cb3f MB |
5652 | /* This expression is arranged so that if the image can't be |
5653 | exactly centered, it will be moved slightly up. This is | |
5654 | because a typical font is `top-heavy' (due to the presence | |
5655 | uppercase letters), so the image placement should err towards | |
5656 | being top-heavy too. It also just generally looks better. */ | |
5657 | ascent = (height + face->font->ascent - face->font->descent + 1) / 2; | |
7c7ff7f5 GM |
5658 | else |
5659 | ascent = height / 2; | |
5660 | } | |
5661 | else | |
5662 | ascent = height * img->ascent / 100.0; | |
5663 | ||
5664 | return ascent; | |
5665 | } | |
5666 | ||
5667 | ||
333b20bb GM |
5668 | \f |
5669 | /*********************************************************************** | |
5670 | Helper functions for X image types | |
5671 | ***********************************************************************/ | |
5672 | ||
dd00328a GM |
5673 | static void x_clear_image_1 P_ ((struct frame *, struct image *, int, |
5674 | int, int)); | |
333b20bb GM |
5675 | static void x_clear_image P_ ((struct frame *f, struct image *img)); |
5676 | static unsigned long x_alloc_image_color P_ ((struct frame *f, | |
5677 | struct image *img, | |
5678 | Lisp_Object color_name, | |
5679 | unsigned long dflt)); | |
5680 | ||
dd00328a GM |
5681 | |
5682 | /* Clear X resources of image IMG on frame F. PIXMAP_P non-zero means | |
5683 | free the pixmap if any. MASK_P non-zero means clear the mask | |
5684 | pixmap if any. COLORS_P non-zero means free colors allocated for | |
5685 | the image, if any. */ | |
333b20bb GM |
5686 | |
5687 | static void | |
dd00328a | 5688 | x_clear_image_1 (f, img, pixmap_p, mask_p, colors_p) |
333b20bb GM |
5689 | struct frame *f; |
5690 | struct image *img; | |
dd00328a | 5691 | int pixmap_p, mask_p, colors_p; |
333b20bb | 5692 | { |
dd00328a | 5693 | if (pixmap_p && img->pixmap) |
333b20bb | 5694 | { |
333b20bb | 5695 | XFreePixmap (FRAME_X_DISPLAY (f), img->pixmap); |
dd00328a | 5696 | img->pixmap = None; |
f4779de9 GM |
5697 | } |
5698 | ||
dd00328a | 5699 | if (mask_p && img->mask) |
f4779de9 GM |
5700 | { |
5701 | XFreePixmap (FRAME_X_DISPLAY (f), img->mask); | |
dd00328a | 5702 | img->mask = None; |
333b20bb GM |
5703 | } |
5704 | ||
dd00328a | 5705 | if (colors_p && img->ncolors) |
333b20bb | 5706 | { |
462d5d40 | 5707 | x_free_colors (f, img->colors, img->ncolors); |
333b20bb GM |
5708 | xfree (img->colors); |
5709 | img->colors = NULL; | |
5710 | img->ncolors = 0; | |
5711 | } | |
dd00328a GM |
5712 | } |
5713 | ||
5714 | /* Free X resources of image IMG which is used on frame F. */ | |
5715 | ||
5716 | static void | |
5717 | x_clear_image (f, img) | |
5718 | struct frame *f; | |
5719 | struct image *img; | |
5720 | { | |
5721 | BLOCK_INPUT; | |
5722 | x_clear_image_1 (f, img, 1, 1, 1); | |
f4779de9 | 5723 | UNBLOCK_INPUT; |
333b20bb GM |
5724 | } |
5725 | ||
5726 | ||
5727 | /* Allocate color COLOR_NAME for image IMG on frame F. If color | |
5728 | cannot be allocated, use DFLT. Add a newly allocated color to | |
5729 | IMG->colors, so that it can be freed again. Value is the pixel | |
5730 | color. */ | |
5731 | ||
5732 | static unsigned long | |
5733 | x_alloc_image_color (f, img, color_name, dflt) | |
5734 | struct frame *f; | |
5735 | struct image *img; | |
5736 | Lisp_Object color_name; | |
5737 | unsigned long dflt; | |
5738 | { | |
5739 | XColor color; | |
5740 | unsigned long result; | |
5741 | ||
5742 | xassert (STRINGP (color_name)); | |
5743 | ||
2d764c78 | 5744 | if (x_defined_color (f, XSTRING (color_name)->data, &color, 1)) |
333b20bb GM |
5745 | { |
5746 | /* This isn't called frequently so we get away with simply | |
5747 | reallocating the color vector to the needed size, here. */ | |
5748 | ++img->ncolors; | |
5749 | img->colors = | |
5750 | (unsigned long *) xrealloc (img->colors, | |
5751 | img->ncolors * sizeof *img->colors); | |
5752 | img->colors[img->ncolors - 1] = color.pixel; | |
5753 | result = color.pixel; | |
5754 | } | |
5755 | else | |
5756 | result = dflt; | |
5757 | ||
5758 | return result; | |
5759 | } | |
5760 | ||
5761 | ||
5762 | \f | |
5763 | /*********************************************************************** | |
5764 | Image Cache | |
5765 | ***********************************************************************/ | |
5766 | ||
5767 | static void cache_image P_ ((struct frame *f, struct image *img)); | |
5768 | ||
5769 | ||
5770 | /* Return a new, initialized image cache that is allocated from the | |
5771 | heap. Call free_image_cache to free an image cache. */ | |
5772 | ||
5773 | struct image_cache * | |
5774 | make_image_cache () | |
5775 | { | |
5776 | struct image_cache *c = (struct image_cache *) xmalloc (sizeof *c); | |
5777 | int size; | |
5778 | ||
5779 | bzero (c, sizeof *c); | |
5780 | c->size = 50; | |
5781 | c->images = (struct image **) xmalloc (c->size * sizeof *c->images); | |
5782 | size = IMAGE_CACHE_BUCKETS_SIZE * sizeof *c->buckets; | |
5783 | c->buckets = (struct image **) xmalloc (size); | |
5784 | bzero (c->buckets, size); | |
5785 | return c; | |
5786 | } | |
5787 | ||
5788 | ||
5789 | /* Free image cache of frame F. Be aware that X frames share images | |
5790 | caches. */ | |
5791 | ||
5792 | void | |
5793 | free_image_cache (f) | |
5794 | struct frame *f; | |
5795 | { | |
5796 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); | |
5797 | if (c) | |
5798 | { | |
5799 | int i; | |
5800 | ||
5801 | /* Cache should not be referenced by any frame when freed. */ | |
5802 | xassert (c->refcount == 0); | |
5803 | ||
5804 | for (i = 0; i < c->used; ++i) | |
5805 | free_image (f, c->images[i]); | |
5806 | xfree (c->images); | |
333b20bb | 5807 | xfree (c->buckets); |
e3130015 | 5808 | xfree (c); |
333b20bb GM |
5809 | FRAME_X_IMAGE_CACHE (f) = NULL; |
5810 | } | |
5811 | } | |
5812 | ||
5813 | ||
5814 | /* Clear image cache of frame F. FORCE_P non-zero means free all | |
5815 | images. FORCE_P zero means clear only images that haven't been | |
5816 | displayed for some time. Should be called from time to time to | |
5817 | reduce the number of loaded images. If image-eviction-seconds is | |
5818 | non-nil, this frees images in the cache which weren't displayed for | |
5819 | at least that many seconds. */ | |
5820 | ||
5821 | void | |
5822 | clear_image_cache (f, force_p) | |
5823 | struct frame *f; | |
5824 | int force_p; | |
5825 | { | |
5826 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); | |
5827 | ||
83676598 | 5828 | if (c && INTEGERP (Vimage_cache_eviction_delay)) |
333b20bb GM |
5829 | { |
5830 | EMACS_TIME t; | |
5831 | unsigned long old; | |
f4779de9 | 5832 | int i, nfreed; |
333b20bb GM |
5833 | |
5834 | EMACS_GET_TIME (t); | |
fcf431dc | 5835 | old = EMACS_SECS (t) - XFASTINT (Vimage_cache_eviction_delay); |
f4779de9 GM |
5836 | |
5837 | /* Block input so that we won't be interrupted by a SIGIO | |
5838 | while being in an inconsistent state. */ | |
5839 | BLOCK_INPUT; | |
333b20bb | 5840 | |
f4779de9 | 5841 | for (i = nfreed = 0; i < c->used; ++i) |
333b20bb GM |
5842 | { |
5843 | struct image *img = c->images[i]; | |
5844 | if (img != NULL | |
f4779de9 | 5845 | && (force_p || img->timestamp < old)) |
333b20bb GM |
5846 | { |
5847 | free_image (f, img); | |
f4779de9 | 5848 | ++nfreed; |
333b20bb GM |
5849 | } |
5850 | } | |
5851 | ||
5852 | /* We may be clearing the image cache because, for example, | |
5853 | Emacs was iconified for a longer period of time. In that | |
5854 | case, current matrices may still contain references to | |
5855 | images freed above. So, clear these matrices. */ | |
f4779de9 | 5856 | if (nfreed) |
333b20bb | 5857 | { |
f4779de9 GM |
5858 | Lisp_Object tail, frame; |
5859 | ||
5860 | FOR_EACH_FRAME (tail, frame) | |
5861 | { | |
5862 | struct frame *f = XFRAME (frame); | |
5863 | if (FRAME_X_P (f) | |
5864 | && FRAME_X_IMAGE_CACHE (f) == c) | |
83676598 | 5865 | clear_current_matrices (f); |
f4779de9 GM |
5866 | } |
5867 | ||
333b20bb GM |
5868 | ++windows_or_buffers_changed; |
5869 | } | |
f4779de9 GM |
5870 | |
5871 | UNBLOCK_INPUT; | |
333b20bb GM |
5872 | } |
5873 | } | |
5874 | ||
5875 | ||
5876 | DEFUN ("clear-image-cache", Fclear_image_cache, Sclear_image_cache, | |
5877 | 0, 1, 0, | |
5878 | "Clear the image cache of FRAME.\n\ | |
5879 | FRAME nil or omitted means use the selected frame.\n\ | |
5880 | FRAME t means clear the image caches of all frames.") | |
5881 | (frame) | |
5882 | Lisp_Object frame; | |
5883 | { | |
5884 | if (EQ (frame, Qt)) | |
5885 | { | |
5886 | Lisp_Object tail; | |
5887 | ||
5888 | FOR_EACH_FRAME (tail, frame) | |
5889 | if (FRAME_X_P (XFRAME (frame))) | |
5890 | clear_image_cache (XFRAME (frame), 1); | |
5891 | } | |
5892 | else | |
5893 | clear_image_cache (check_x_frame (frame), 1); | |
5894 | ||
5895 | return Qnil; | |
5896 | } | |
5897 | ||
5898 | ||
5899 | /* Return the id of image with Lisp specification SPEC on frame F. | |
83676598 | 5900 | SPEC must be a valid Lisp image specification (see valid_image_p). */ |
333b20bb GM |
5901 | |
5902 | int | |
83676598 | 5903 | lookup_image (f, spec) |
333b20bb GM |
5904 | struct frame *f; |
5905 | Lisp_Object spec; | |
5906 | { | |
5907 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); | |
5908 | struct image *img; | |
5909 | int i; | |
5910 | unsigned hash; | |
5911 | struct gcpro gcpro1; | |
4f7ca1f1 | 5912 | EMACS_TIME now; |
333b20bb GM |
5913 | |
5914 | /* F must be a window-system frame, and SPEC must be a valid image | |
5915 | specification. */ | |
5916 | xassert (FRAME_WINDOW_P (f)); | |
5917 | xassert (valid_image_p (spec)); | |
5918 | ||
5919 | GCPRO1 (spec); | |
5920 | ||
5921 | /* Look up SPEC in the hash table of the image cache. */ | |
5922 | hash = sxhash (spec, 0); | |
5923 | i = hash % IMAGE_CACHE_BUCKETS_SIZE; | |
5924 | ||
5925 | for (img = c->buckets[i]; img; img = img->next) | |
5926 | if (img->hash == hash && !NILP (Fequal (img->spec, spec))) | |
5927 | break; | |
5928 | ||
5929 | /* If not found, create a new image and cache it. */ | |
5930 | if (img == NULL) | |
5931 | { | |
28c7826c | 5932 | BLOCK_INPUT; |
333b20bb GM |
5933 | img = make_image (spec, hash); |
5934 | cache_image (f, img); | |
83676598 | 5935 | img->load_failed_p = img->type->load (f, img) == 0; |
333b20bb GM |
5936 | |
5937 | /* If we can't load the image, and we don't have a width and | |
5938 | height, use some arbitrary width and height so that we can | |
5939 | draw a rectangle for it. */ | |
83676598 | 5940 | if (img->load_failed_p) |
333b20bb GM |
5941 | { |
5942 | Lisp_Object value; | |
5943 | ||
5944 | value = image_spec_value (spec, QCwidth, NULL); | |
5945 | img->width = (INTEGERP (value) | |
5946 | ? XFASTINT (value) : DEFAULT_IMAGE_WIDTH); | |
5947 | value = image_spec_value (spec, QCheight, NULL); | |
5948 | img->height = (INTEGERP (value) | |
5949 | ? XFASTINT (value) : DEFAULT_IMAGE_HEIGHT); | |
5950 | } | |
5951 | else | |
5952 | { | |
5953 | /* Handle image type independent image attributes | |
7c7ff7f5 | 5954 | `:ascent ASCENT', `:margin MARGIN', `:relief RELIEF'. */ |
14819cb3 | 5955 | Lisp_Object ascent, margin, relief; |
333b20bb GM |
5956 | |
5957 | ascent = image_spec_value (spec, QCascent, NULL); | |
5958 | if (INTEGERP (ascent)) | |
5959 | img->ascent = XFASTINT (ascent); | |
7c7ff7f5 GM |
5960 | else if (EQ (ascent, Qcenter)) |
5961 | img->ascent = CENTERED_IMAGE_ASCENT; | |
333b20bb GM |
5962 | |
5963 | margin = image_spec_value (spec, QCmargin, NULL); | |
5964 | if (INTEGERP (margin) && XINT (margin) >= 0) | |
5965 | img->margin = XFASTINT (margin); | |
5966 | ||
5967 | relief = image_spec_value (spec, QCrelief, NULL); | |
5968 | if (INTEGERP (relief)) | |
5969 | { | |
5970 | img->relief = XINT (relief); | |
5971 | img->margin += abs (img->relief); | |
5972 | } | |
5973 | ||
4a8e312c GM |
5974 | /* Manipulation of the image's mask. */ |
5975 | if (img->pixmap) | |
5976 | { | |
5977 | /* `:heuristic-mask t' | |
5978 | `:mask heuristic' | |
5979 | means build a mask heuristically. | |
5980 | `:heuristic-mask (R G B)' | |
5981 | `:mask (heuristic (R G B))' | |
b243755a | 5982 | means build a mask from color (R G B) in the |
4a8e312c GM |
5983 | image. |
5984 | `:mask nil' | |
5985 | means remove a mask, if any. */ | |
5986 | ||
5987 | Lisp_Object mask; | |
333b20bb | 5988 | |
4a8e312c GM |
5989 | mask = image_spec_value (spec, QCheuristic_mask, NULL); |
5990 | if (!NILP (mask)) | |
5991 | x_build_heuristic_mask (f, img, mask); | |
5992 | else | |
5993 | { | |
5994 | int found_p; | |
5995 | ||
5996 | mask = image_spec_value (spec, QCmask, &found_p); | |
5997 | ||
5998 | if (EQ (mask, Qheuristic)) | |
5999 | x_build_heuristic_mask (f, img, Qt); | |
6000 | else if (CONSP (mask) | |
6001 | && EQ (XCAR (mask), Qheuristic)) | |
6002 | { | |
6003 | if (CONSP (XCDR (mask))) | |
6004 | x_build_heuristic_mask (f, img, XCAR (XCDR (mask))); | |
6005 | else | |
6006 | x_build_heuristic_mask (f, img, XCDR (mask)); | |
6007 | } | |
6008 | else if (NILP (mask) && found_p && img->mask) | |
6009 | { | |
4a8e312c | 6010 | XFreePixmap (FRAME_X_DISPLAY (f), img->mask); |
dd00328a | 6011 | img->mask = None; |
4a8e312c GM |
6012 | } |
6013 | } | |
6014 | } | |
14819cb3 GM |
6015 | |
6016 | /* Should we apply an image transformation algorithm? */ | |
6017 | if (img->pixmap) | |
6018 | { | |
6019 | Lisp_Object algorithm; | |
6020 | ||
6021 | algorithm = image_spec_value (spec, QCalgorithm, NULL); | |
6022 | if (EQ (algorithm, Qdisabled)) | |
6023 | x_disable_image (f, img); | |
6024 | else if (EQ (algorithm, Qlaplace)) | |
6025 | x_laplace (f, img); | |
6026 | else if (EQ (algorithm, Qemboss)) | |
6027 | x_emboss (f, img); | |
6028 | else if (CONSP (algorithm) | |
6029 | && EQ (XCAR (algorithm), Qedge_detection)) | |
6030 | { | |
6031 | Lisp_Object tem; | |
6032 | tem = XCDR (algorithm); | |
6033 | if (CONSP (tem)) | |
6034 | x_edge_detection (f, img, | |
6035 | Fplist_get (tem, QCmatrix), | |
6036 | Fplist_get (tem, QCcolor_adjustment)); | |
6037 | } | |
6038 | } | |
333b20bb | 6039 | } |
dd00328a | 6040 | |
28c7826c GM |
6041 | UNBLOCK_INPUT; |
6042 | xassert (!interrupt_input_blocked); | |
333b20bb GM |
6043 | } |
6044 | ||
4f7ca1f1 GM |
6045 | /* We're using IMG, so set its timestamp to `now'. */ |
6046 | EMACS_GET_TIME (now); | |
6047 | img->timestamp = EMACS_SECS (now); | |
6048 | ||
333b20bb GM |
6049 | UNGCPRO; |
6050 | ||
6051 | /* Value is the image id. */ | |
6052 | return img->id; | |
6053 | } | |
6054 | ||
6055 | ||
6056 | /* Cache image IMG in the image cache of frame F. */ | |
6057 | ||
6058 | static void | |
6059 | cache_image (f, img) | |
6060 | struct frame *f; | |
6061 | struct image *img; | |
6062 | { | |
6063 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); | |
6064 | int i; | |
6065 | ||
6066 | /* Find a free slot in c->images. */ | |
6067 | for (i = 0; i < c->used; ++i) | |
6068 | if (c->images[i] == NULL) | |
6069 | break; | |
6070 | ||
6071 | /* If no free slot found, maybe enlarge c->images. */ | |
6072 | if (i == c->used && c->used == c->size) | |
6073 | { | |
6074 | c->size *= 2; | |
6075 | c->images = (struct image **) xrealloc (c->images, | |
6076 | c->size * sizeof *c->images); | |
6077 | } | |
6078 | ||
6079 | /* Add IMG to c->images, and assign IMG an id. */ | |
6080 | c->images[i] = img; | |
6081 | img->id = i; | |
6082 | if (i == c->used) | |
6083 | ++c->used; | |
6084 | ||
6085 | /* Add IMG to the cache's hash table. */ | |
6086 | i = img->hash % IMAGE_CACHE_BUCKETS_SIZE; | |
6087 | img->next = c->buckets[i]; | |
6088 | if (img->next) | |
6089 | img->next->prev = img; | |
6090 | img->prev = NULL; | |
6091 | c->buckets[i] = img; | |
6092 | } | |
6093 | ||
6094 | ||
6095 | /* Call FN on every image in the image cache of frame F. Used to mark | |
6096 | Lisp Objects in the image cache. */ | |
6097 | ||
6098 | void | |
6099 | forall_images_in_image_cache (f, fn) | |
6100 | struct frame *f; | |
6101 | void (*fn) P_ ((struct image *img)); | |
6102 | { | |
6103 | if (FRAME_LIVE_P (f) && FRAME_X_P (f)) | |
6104 | { | |
6105 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); | |
6106 | if (c) | |
6107 | { | |
6108 | int i; | |
6109 | for (i = 0; i < c->used; ++i) | |
6110 | if (c->images[i]) | |
6111 | fn (c->images[i]); | |
6112 | } | |
6113 | } | |
6114 | } | |
6115 | ||
6116 | ||
6117 | \f | |
6118 | /*********************************************************************** | |
6119 | X support code | |
6120 | ***********************************************************************/ | |
6121 | ||
45158a91 GM |
6122 | static int x_create_x_image_and_pixmap P_ ((struct frame *, int, int, int, |
6123 | XImage **, Pixmap *)); | |
333b20bb GM |
6124 | static void x_destroy_x_image P_ ((XImage *)); |
6125 | static void x_put_x_image P_ ((struct frame *, XImage *, Pixmap, int, int)); | |
6126 | ||
6127 | ||
6128 | /* Create an XImage and a pixmap of size WIDTH x HEIGHT for use on | |
6129 | frame F. Set *XIMG and *PIXMAP to the XImage and Pixmap created. | |
6130 | Set (*XIMG)->data to a raster of WIDTH x HEIGHT pixels allocated | |
6131 | via xmalloc. Print error messages via image_error if an error | |
45158a91 | 6132 | occurs. Value is non-zero if successful. */ |
333b20bb GM |
6133 | |
6134 | static int | |
45158a91 | 6135 | x_create_x_image_and_pixmap (f, width, height, depth, ximg, pixmap) |
333b20bb | 6136 | struct frame *f; |
333b20bb GM |
6137 | int width, height, depth; |
6138 | XImage **ximg; | |
6139 | Pixmap *pixmap; | |
6140 | { | |
6141 | Display *display = FRAME_X_DISPLAY (f); | |
6142 | Screen *screen = FRAME_X_SCREEN (f); | |
6143 | Window window = FRAME_X_WINDOW (f); | |
6144 | ||
6145 | xassert (interrupt_input_blocked); | |
6146 | ||
6147 | if (depth <= 0) | |
6148 | depth = DefaultDepthOfScreen (screen); | |
6149 | *ximg = XCreateImage (display, DefaultVisualOfScreen (screen), | |
6150 | depth, ZPixmap, 0, NULL, width, height, | |
6151 | depth > 16 ? 32 : depth > 8 ? 16 : 8, 0); | |
6152 | if (*ximg == NULL) | |
6153 | { | |
45158a91 | 6154 | image_error ("Unable to allocate X image", Qnil, Qnil); |
333b20bb GM |
6155 | return 0; |
6156 | } | |
6157 | ||
6158 | /* Allocate image raster. */ | |
6159 | (*ximg)->data = (char *) xmalloc ((*ximg)->bytes_per_line * height); | |
6160 | ||
6161 | /* Allocate a pixmap of the same size. */ | |
6162 | *pixmap = XCreatePixmap (display, window, width, height, depth); | |
dd00328a | 6163 | if (*pixmap == None) |
333b20bb GM |
6164 | { |
6165 | x_destroy_x_image (*ximg); | |
6166 | *ximg = NULL; | |
45158a91 | 6167 | image_error ("Unable to create X pixmap", Qnil, Qnil); |
333b20bb GM |
6168 | return 0; |
6169 | } | |
6170 | ||
6171 | return 1; | |
6172 | } | |
6173 | ||
6174 | ||
6175 | /* Destroy XImage XIMG. Free XIMG->data. */ | |
6176 | ||
6177 | static void | |
6178 | x_destroy_x_image (ximg) | |
6179 | XImage *ximg; | |
6180 | { | |
6181 | xassert (interrupt_input_blocked); | |
6182 | if (ximg) | |
6183 | { | |
6184 | xfree (ximg->data); | |
6185 | ximg->data = NULL; | |
6186 | XDestroyImage (ximg); | |
6187 | } | |
6188 | } | |
6189 | ||
6190 | ||
6191 | /* Put XImage XIMG into pixmap PIXMAP on frame F. WIDTH and HEIGHT | |
6192 | are width and height of both the image and pixmap. */ | |
6193 | ||
ea6b19ca | 6194 | static void |
333b20bb GM |
6195 | x_put_x_image (f, ximg, pixmap, width, height) |
6196 | struct frame *f; | |
6197 | XImage *ximg; | |
6198 | Pixmap pixmap; | |
6199 | { | |
6200 | GC gc; | |
6201 | ||
6202 | xassert (interrupt_input_blocked); | |
6203 | gc = XCreateGC (FRAME_X_DISPLAY (f), pixmap, 0, NULL); | |
6204 | XPutImage (FRAME_X_DISPLAY (f), pixmap, gc, ximg, 0, 0, 0, 0, width, height); | |
6205 | XFreeGC (FRAME_X_DISPLAY (f), gc); | |
6206 | } | |
6207 | ||
6208 | ||
6209 | \f | |
6210 | /*********************************************************************** | |
5be6c3b0 | 6211 | File Handling |
333b20bb GM |
6212 | ***********************************************************************/ |
6213 | ||
6214 | static Lisp_Object x_find_image_file P_ ((Lisp_Object)); | |
5be6c3b0 GM |
6215 | static char *slurp_file P_ ((char *, int *)); |
6216 | ||
333b20bb GM |
6217 | |
6218 | /* Find image file FILE. Look in data-directory, then | |
6219 | x-bitmap-file-path. Value is the full name of the file found, or | |
6220 | nil if not found. */ | |
6221 | ||
6222 | static Lisp_Object | |
6223 | x_find_image_file (file) | |
6224 | Lisp_Object file; | |
6225 | { | |
6226 | Lisp_Object file_found, search_path; | |
6227 | struct gcpro gcpro1, gcpro2; | |
6228 | int fd; | |
6229 | ||
6230 | file_found = Qnil; | |
6231 | search_path = Fcons (Vdata_directory, Vx_bitmap_file_path); | |
6232 | GCPRO2 (file_found, search_path); | |
6233 | ||
6234 | /* Try to find FILE in data-directory, then x-bitmap-file-path. */ | |
6235 | fd = openp (search_path, file, "", &file_found, 0); | |
6236 | ||
939d6465 | 6237 | if (fd == -1) |
333b20bb GM |
6238 | file_found = Qnil; |
6239 | else | |
6240 | close (fd); | |
6241 | ||
6242 | UNGCPRO; | |
6243 | return file_found; | |
6244 | } | |
6245 | ||
6246 | ||
5be6c3b0 GM |
6247 | /* Read FILE into memory. Value is a pointer to a buffer allocated |
6248 | with xmalloc holding FILE's contents. Value is null if an error | |
b243755a | 6249 | occurred. *SIZE is set to the size of the file. */ |
5be6c3b0 GM |
6250 | |
6251 | static char * | |
6252 | slurp_file (file, size) | |
6253 | char *file; | |
6254 | int *size; | |
6255 | { | |
6256 | FILE *fp = NULL; | |
6257 | char *buf = NULL; | |
6258 | struct stat st; | |
6259 | ||
6260 | if (stat (file, &st) == 0 | |
6261 | && (fp = fopen (file, "r")) != NULL | |
6262 | && (buf = (char *) xmalloc (st.st_size), | |
6263 | fread (buf, 1, st.st_size, fp) == st.st_size)) | |
6264 | { | |
6265 | *size = st.st_size; | |
6266 | fclose (fp); | |
6267 | } | |
6268 | else | |
6269 | { | |
6270 | if (fp) | |
6271 | fclose (fp); | |
6272 | if (buf) | |
6273 | { | |
6274 | xfree (buf); | |
6275 | buf = NULL; | |
6276 | } | |
6277 | } | |
6278 | ||
6279 | return buf; | |
6280 | } | |
6281 | ||
6282 | ||
333b20bb GM |
6283 | \f |
6284 | /*********************************************************************** | |
6285 | XBM images | |
6286 | ***********************************************************************/ | |
6287 | ||
5be6c3b0 | 6288 | static int xbm_scan P_ ((char **, char *, char *, int *)); |
333b20bb | 6289 | static int xbm_load P_ ((struct frame *f, struct image *img)); |
5be6c3b0 GM |
6290 | static int xbm_load_image P_ ((struct frame *f, struct image *img, |
6291 | char *, char *)); | |
333b20bb | 6292 | static int xbm_image_p P_ ((Lisp_Object object)); |
5be6c3b0 GM |
6293 | static int xbm_read_bitmap_data P_ ((char *, char *, int *, int *, |
6294 | unsigned char **)); | |
6295 | static int xbm_file_p P_ ((Lisp_Object)); | |
333b20bb GM |
6296 | |
6297 | ||
6298 | /* Indices of image specification fields in xbm_format, below. */ | |
6299 | ||
6300 | enum xbm_keyword_index | |
6301 | { | |
6302 | XBM_TYPE, | |
6303 | XBM_FILE, | |
6304 | XBM_WIDTH, | |
6305 | XBM_HEIGHT, | |
6306 | XBM_DATA, | |
6307 | XBM_FOREGROUND, | |
6308 | XBM_BACKGROUND, | |
6309 | XBM_ASCENT, | |
6310 | XBM_MARGIN, | |
6311 | XBM_RELIEF, | |
6312 | XBM_ALGORITHM, | |
6313 | XBM_HEURISTIC_MASK, | |
4a8e312c | 6314 | XBM_MASK, |
333b20bb GM |
6315 | XBM_LAST |
6316 | }; | |
6317 | ||
6318 | /* Vector of image_keyword structures describing the format | |
6319 | of valid XBM image specifications. */ | |
6320 | ||
6321 | static struct image_keyword xbm_format[XBM_LAST] = | |
6322 | { | |
6323 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
6324 | {":file", IMAGE_STRING_VALUE, 0}, | |
6325 | {":width", IMAGE_POSITIVE_INTEGER_VALUE, 0}, | |
6326 | {":height", IMAGE_POSITIVE_INTEGER_VALUE, 0}, | |
6327 | {":data", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, | |
6328 | {":foreground", IMAGE_STRING_VALUE, 0}, | |
6329 | {":background", IMAGE_STRING_VALUE, 0}, | |
7c7ff7f5 | 6330 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
333b20bb GM |
6331 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE, 0}, |
6332 | {":relief", IMAGE_INTEGER_VALUE, 0}, | |
6333 | {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, | |
4a8e312c GM |
6334 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
6335 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0} | |
333b20bb GM |
6336 | }; |
6337 | ||
6338 | /* Structure describing the image type XBM. */ | |
6339 | ||
6340 | static struct image_type xbm_type = | |
6341 | { | |
6342 | &Qxbm, | |
6343 | xbm_image_p, | |
6344 | xbm_load, | |
6345 | x_clear_image, | |
6346 | NULL | |
6347 | }; | |
6348 | ||
6349 | /* Tokens returned from xbm_scan. */ | |
6350 | ||
6351 | enum xbm_token | |
6352 | { | |
6353 | XBM_TK_IDENT = 256, | |
6354 | XBM_TK_NUMBER | |
6355 | }; | |
6356 | ||
6357 | ||
6358 | /* Return non-zero if OBJECT is a valid XBM-type image specification. | |
6359 | A valid specification is a list starting with the symbol `image' | |
6360 | The rest of the list is a property list which must contain an | |
6361 | entry `:type xbm.. | |
6362 | ||
6363 | If the specification specifies a file to load, it must contain | |
6364 | an entry `:file FILENAME' where FILENAME is a string. | |
6365 | ||
6366 | If the specification is for a bitmap loaded from memory it must | |
6367 | contain `:width WIDTH', `:height HEIGHT', and `:data DATA', where | |
6368 | WIDTH and HEIGHT are integers > 0. DATA may be: | |
6369 | ||
6370 | 1. a string large enough to hold the bitmap data, i.e. it must | |
6371 | have a size >= (WIDTH + 7) / 8 * HEIGHT | |
6372 | ||
6373 | 2. a bool-vector of size >= WIDTH * HEIGHT | |
6374 | ||
6375 | 3. a vector of strings or bool-vectors, one for each line of the | |
6376 | bitmap. | |
6377 | ||
5be6c3b0 GM |
6378 | 4. A string containing an in-memory XBM file. WIDTH and HEIGHT |
6379 | may not be specified in this case because they are defined in the | |
6380 | XBM file. | |
6381 | ||
333b20bb GM |
6382 | Both the file and data forms may contain the additional entries |
6383 | `:background COLOR' and `:foreground COLOR'. If not present, | |
6384 | foreground and background of the frame on which the image is | |
e3130015 | 6385 | displayed is used. */ |
333b20bb GM |
6386 | |
6387 | static int | |
6388 | xbm_image_p (object) | |
6389 | Lisp_Object object; | |
6390 | { | |
6391 | struct image_keyword kw[XBM_LAST]; | |
6392 | ||
6393 | bcopy (xbm_format, kw, sizeof kw); | |
bfd2209f | 6394 | if (!parse_image_spec (object, kw, XBM_LAST, Qxbm)) |
333b20bb GM |
6395 | return 0; |
6396 | ||
6397 | xassert (EQ (kw[XBM_TYPE].value, Qxbm)); | |
6398 | ||
6399 | if (kw[XBM_FILE].count) | |
6400 | { | |
6401 | if (kw[XBM_WIDTH].count || kw[XBM_HEIGHT].count || kw[XBM_DATA].count) | |
6402 | return 0; | |
6403 | } | |
5be6c3b0 GM |
6404 | else if (kw[XBM_DATA].count && xbm_file_p (kw[XBM_DATA].value)) |
6405 | { | |
6406 | /* In-memory XBM file. */ | |
6407 | if (kw[XBM_WIDTH].count || kw[XBM_HEIGHT].count || kw[XBM_FILE].count) | |
6408 | return 0; | |
6409 | } | |
333b20bb GM |
6410 | else |
6411 | { | |
6412 | Lisp_Object data; | |
6413 | int width, height; | |
6414 | ||
6415 | /* Entries for `:width', `:height' and `:data' must be present. */ | |
6416 | if (!kw[XBM_WIDTH].count | |
6417 | || !kw[XBM_HEIGHT].count | |
6418 | || !kw[XBM_DATA].count) | |
6419 | return 0; | |
6420 | ||
6421 | data = kw[XBM_DATA].value; | |
6422 | width = XFASTINT (kw[XBM_WIDTH].value); | |
6423 | height = XFASTINT (kw[XBM_HEIGHT].value); | |
6424 | ||
6425 | /* Check type of data, and width and height against contents of | |
6426 | data. */ | |
6427 | if (VECTORP (data)) | |
6428 | { | |
6429 | int i; | |
6430 | ||
6431 | /* Number of elements of the vector must be >= height. */ | |
6432 | if (XVECTOR (data)->size < height) | |
6433 | return 0; | |
6434 | ||
6435 | /* Each string or bool-vector in data must be large enough | |
6436 | for one line of the image. */ | |
6437 | for (i = 0; i < height; ++i) | |
6438 | { | |
6439 | Lisp_Object elt = XVECTOR (data)->contents[i]; | |
6440 | ||
6441 | if (STRINGP (elt)) | |
6442 | { | |
6443 | if (XSTRING (elt)->size | |
6444 | < (width + BITS_PER_CHAR - 1) / BITS_PER_CHAR) | |
6445 | return 0; | |
6446 | } | |
6447 | else if (BOOL_VECTOR_P (elt)) | |
6448 | { | |
6449 | if (XBOOL_VECTOR (elt)->size < width) | |
6450 | return 0; | |
6451 | } | |
6452 | else | |
6453 | return 0; | |
6454 | } | |
6455 | } | |
6456 | else if (STRINGP (data)) | |
6457 | { | |
6458 | if (XSTRING (data)->size | |
6459 | < (width + BITS_PER_CHAR - 1) / BITS_PER_CHAR * height) | |
6460 | return 0; | |
6461 | } | |
6462 | else if (BOOL_VECTOR_P (data)) | |
6463 | { | |
6464 | if (XBOOL_VECTOR (data)->size < width * height) | |
6465 | return 0; | |
6466 | } | |
6467 | else | |
6468 | return 0; | |
6469 | } | |
6470 | ||
333b20bb GM |
6471 | return 1; |
6472 | } | |
6473 | ||
6474 | ||
6475 | /* Scan a bitmap file. FP is the stream to read from. Value is | |
6476 | either an enumerator from enum xbm_token, or a character for a | |
6477 | single-character token, or 0 at end of file. If scanning an | |
6478 | identifier, store the lexeme of the identifier in SVAL. If | |
6479 | scanning a number, store its value in *IVAL. */ | |
6480 | ||
6481 | static int | |
5be6c3b0 GM |
6482 | xbm_scan (s, end, sval, ival) |
6483 | char **s, *end; | |
333b20bb GM |
6484 | char *sval; |
6485 | int *ival; | |
6486 | { | |
6487 | int c; | |
0a695da7 GM |
6488 | |
6489 | loop: | |
333b20bb GM |
6490 | |
6491 | /* Skip white space. */ | |
5be6c3b0 | 6492 | while (*s < end && (c = *(*s)++, isspace (c))) |
333b20bb GM |
6493 | ; |
6494 | ||
5be6c3b0 | 6495 | if (*s >= end) |
333b20bb GM |
6496 | c = 0; |
6497 | else if (isdigit (c)) | |
6498 | { | |
6499 | int value = 0, digit; | |
6500 | ||
5be6c3b0 | 6501 | if (c == '0' && *s < end) |
333b20bb | 6502 | { |
5be6c3b0 | 6503 | c = *(*s)++; |
333b20bb GM |
6504 | if (c == 'x' || c == 'X') |
6505 | { | |
5be6c3b0 | 6506 | while (*s < end) |
333b20bb | 6507 | { |
5be6c3b0 | 6508 | c = *(*s)++; |
333b20bb GM |
6509 | if (isdigit (c)) |
6510 | digit = c - '0'; | |
6511 | else if (c >= 'a' && c <= 'f') | |
6512 | digit = c - 'a' + 10; | |
6513 | else if (c >= 'A' && c <= 'F') | |
6514 | digit = c - 'A' + 10; | |
6515 | else | |
6516 | break; | |
6517 | value = 16 * value + digit; | |
6518 | } | |
6519 | } | |
6520 | else if (isdigit (c)) | |
6521 | { | |
6522 | value = c - '0'; | |
5be6c3b0 GM |
6523 | while (*s < end |
6524 | && (c = *(*s)++, isdigit (c))) | |
333b20bb GM |
6525 | value = 8 * value + c - '0'; |
6526 | } | |
6527 | } | |
6528 | else | |
6529 | { | |
6530 | value = c - '0'; | |
5be6c3b0 GM |
6531 | while (*s < end |
6532 | && (c = *(*s)++, isdigit (c))) | |
333b20bb GM |
6533 | value = 10 * value + c - '0'; |
6534 | } | |
6535 | ||
5be6c3b0 GM |
6536 | if (*s < end) |
6537 | *s = *s - 1; | |
333b20bb GM |
6538 | *ival = value; |
6539 | c = XBM_TK_NUMBER; | |
6540 | } | |
6541 | else if (isalpha (c) || c == '_') | |
6542 | { | |
6543 | *sval++ = c; | |
5be6c3b0 GM |
6544 | while (*s < end |
6545 | && (c = *(*s)++, (isalnum (c) || c == '_'))) | |
333b20bb GM |
6546 | *sval++ = c; |
6547 | *sval = 0; | |
5be6c3b0 GM |
6548 | if (*s < end) |
6549 | *s = *s - 1; | |
333b20bb GM |
6550 | c = XBM_TK_IDENT; |
6551 | } | |
0a695da7 GM |
6552 | else if (c == '/' && **s == '*') |
6553 | { | |
6554 | /* C-style comment. */ | |
6555 | ++*s; | |
6556 | while (**s && (**s != '*' || *(*s + 1) != '/')) | |
6557 | ++*s; | |
6558 | if (**s) | |
6559 | { | |
6560 | *s += 2; | |
6561 | goto loop; | |
6562 | } | |
6563 | } | |
333b20bb GM |
6564 | |
6565 | return c; | |
6566 | } | |
6567 | ||
6568 | ||
6569 | /* Replacement for XReadBitmapFileData which isn't available under old | |
5be6c3b0 GM |
6570 | X versions. CONTENTS is a pointer to a buffer to parse; END is the |
6571 | buffer's end. Set *WIDTH and *HEIGHT to the width and height of | |
6572 | the image. Return in *DATA the bitmap data allocated with xmalloc. | |
6573 | Value is non-zero if successful. DATA null means just test if | |
b243755a | 6574 | CONTENTS looks like an in-memory XBM file. */ |
333b20bb GM |
6575 | |
6576 | static int | |
5be6c3b0 GM |
6577 | xbm_read_bitmap_data (contents, end, width, height, data) |
6578 | char *contents, *end; | |
333b20bb GM |
6579 | int *width, *height; |
6580 | unsigned char **data; | |
6581 | { | |
5be6c3b0 | 6582 | char *s = contents; |
333b20bb GM |
6583 | char buffer[BUFSIZ]; |
6584 | int padding_p = 0; | |
6585 | int v10 = 0; | |
6586 | int bytes_per_line, i, nbytes; | |
6587 | unsigned char *p; | |
6588 | int value; | |
6589 | int LA1; | |
6590 | ||
6591 | #define match() \ | |
5be6c3b0 | 6592 | LA1 = xbm_scan (&s, end, buffer, &value) |
333b20bb GM |
6593 | |
6594 | #define expect(TOKEN) \ | |
6595 | if (LA1 != (TOKEN)) \ | |
6596 | goto failure; \ | |
6597 | else \ | |
6598 | match () | |
6599 | ||
6600 | #define expect_ident(IDENT) \ | |
6601 | if (LA1 == XBM_TK_IDENT && strcmp (buffer, (IDENT)) == 0) \ | |
6602 | match (); \ | |
6603 | else \ | |
6604 | goto failure | |
6605 | ||
333b20bb | 6606 | *width = *height = -1; |
5be6c3b0 GM |
6607 | if (data) |
6608 | *data = NULL; | |
6609 | LA1 = xbm_scan (&s, end, buffer, &value); | |
333b20bb GM |
6610 | |
6611 | /* Parse defines for width, height and hot-spots. */ | |
6612 | while (LA1 == '#') | |
6613 | { | |
333b20bb GM |
6614 | match (); |
6615 | expect_ident ("define"); | |
6616 | expect (XBM_TK_IDENT); | |
6617 | ||
6618 | if (LA1 == XBM_TK_NUMBER); | |
6619 | { | |
6620 | char *p = strrchr (buffer, '_'); | |
6621 | p = p ? p + 1 : buffer; | |
6622 | if (strcmp (p, "width") == 0) | |
6623 | *width = value; | |
6624 | else if (strcmp (p, "height") == 0) | |
6625 | *height = value; | |
6626 | } | |
6627 | expect (XBM_TK_NUMBER); | |
6628 | } | |
6629 | ||
6630 | if (*width < 0 || *height < 0) | |
6631 | goto failure; | |
5be6c3b0 GM |
6632 | else if (data == NULL) |
6633 | goto success; | |
333b20bb GM |
6634 | |
6635 | /* Parse bits. Must start with `static'. */ | |
6636 | expect_ident ("static"); | |
6637 | if (LA1 == XBM_TK_IDENT) | |
6638 | { | |
6639 | if (strcmp (buffer, "unsigned") == 0) | |
6640 | { | |
6641 | match (); | |
6642 | expect_ident ("char"); | |
6643 | } | |
6644 | else if (strcmp (buffer, "short") == 0) | |
6645 | { | |
6646 | match (); | |
6647 | v10 = 1; | |
6648 | if (*width % 16 && *width % 16 < 9) | |
6649 | padding_p = 1; | |
6650 | } | |
6651 | else if (strcmp (buffer, "char") == 0) | |
6652 | match (); | |
6653 | else | |
6654 | goto failure; | |
6655 | } | |
6656 | else | |
6657 | goto failure; | |
6658 | ||
6659 | expect (XBM_TK_IDENT); | |
6660 | expect ('['); | |
6661 | expect (']'); | |
6662 | expect ('='); | |
6663 | expect ('{'); | |
6664 | ||
6665 | bytes_per_line = (*width + 7) / 8 + padding_p; | |
6666 | nbytes = bytes_per_line * *height; | |
6667 | p = *data = (char *) xmalloc (nbytes); | |
6668 | ||
6669 | if (v10) | |
6670 | { | |
333b20bb GM |
6671 | for (i = 0; i < nbytes; i += 2) |
6672 | { | |
6673 | int val = value; | |
6674 | expect (XBM_TK_NUMBER); | |
6675 | ||
6676 | *p++ = val; | |
6677 | if (!padding_p || ((i + 2) % bytes_per_line)) | |
6678 | *p++ = value >> 8; | |
6679 | ||
6680 | if (LA1 == ',' || LA1 == '}') | |
6681 | match (); | |
6682 | else | |
6683 | goto failure; | |
6684 | } | |
6685 | } | |
6686 | else | |
6687 | { | |
6688 | for (i = 0; i < nbytes; ++i) | |
6689 | { | |
6690 | int val = value; | |
6691 | expect (XBM_TK_NUMBER); | |
6692 | ||
6693 | *p++ = val; | |
6694 | ||
6695 | if (LA1 == ',' || LA1 == '}') | |
6696 | match (); | |
6697 | else | |
6698 | goto failure; | |
6699 | } | |
6700 | } | |
6701 | ||
5be6c3b0 | 6702 | success: |
333b20bb GM |
6703 | return 1; |
6704 | ||
6705 | failure: | |
6706 | ||
5be6c3b0 | 6707 | if (data && *data) |
333b20bb GM |
6708 | { |
6709 | xfree (*data); | |
6710 | *data = NULL; | |
6711 | } | |
6712 | return 0; | |
6713 | ||
6714 | #undef match | |
6715 | #undef expect | |
6716 | #undef expect_ident | |
6717 | } | |
6718 | ||
6719 | ||
5be6c3b0 GM |
6720 | /* Load XBM image IMG which will be displayed on frame F from buffer |
6721 | CONTENTS. END is the end of the buffer. Value is non-zero if | |
6722 | successful. */ | |
333b20bb GM |
6723 | |
6724 | static int | |
5be6c3b0 | 6725 | xbm_load_image (f, img, contents, end) |
333b20bb GM |
6726 | struct frame *f; |
6727 | struct image *img; | |
5be6c3b0 | 6728 | char *contents, *end; |
333b20bb GM |
6729 | { |
6730 | int rc; | |
6731 | unsigned char *data; | |
6732 | int success_p = 0; | |
333b20bb | 6733 | |
5be6c3b0 | 6734 | rc = xbm_read_bitmap_data (contents, end, &img->width, &img->height, &data); |
333b20bb GM |
6735 | if (rc) |
6736 | { | |
6737 | int depth = DefaultDepthOfScreen (FRAME_X_SCREEN (f)); | |
6738 | unsigned long foreground = FRAME_FOREGROUND_PIXEL (f); | |
6739 | unsigned long background = FRAME_BACKGROUND_PIXEL (f); | |
6740 | Lisp_Object value; | |
6741 | ||
6742 | xassert (img->width > 0 && img->height > 0); | |
6743 | ||
6744 | /* Get foreground and background colors, maybe allocate colors. */ | |
6745 | value = image_spec_value (img->spec, QCforeground, NULL); | |
6746 | if (!NILP (value)) | |
6747 | foreground = x_alloc_image_color (f, img, value, foreground); | |
6748 | ||
6749 | value = image_spec_value (img->spec, QCbackground, NULL); | |
6750 | if (!NILP (value)) | |
6751 | background = x_alloc_image_color (f, img, value, background); | |
6752 | ||
333b20bb GM |
6753 | img->pixmap |
6754 | = XCreatePixmapFromBitmapData (FRAME_X_DISPLAY (f), | |
6755 | FRAME_X_WINDOW (f), | |
6756 | data, | |
6757 | img->width, img->height, | |
6758 | foreground, background, | |
6759 | depth); | |
6760 | xfree (data); | |
6761 | ||
dd00328a | 6762 | if (img->pixmap == None) |
333b20bb GM |
6763 | { |
6764 | x_clear_image (f, img); | |
5be6c3b0 | 6765 | image_error ("Unable to create X pixmap for `%s'", img->spec, Qnil); |
333b20bb GM |
6766 | } |
6767 | else | |
6768 | success_p = 1; | |
333b20bb GM |
6769 | } |
6770 | else | |
45158a91 | 6771 | image_error ("Error loading XBM image `%s'", img->spec, Qnil); |
333b20bb | 6772 | |
333b20bb GM |
6773 | return success_p; |
6774 | } | |
6775 | ||
6776 | ||
5be6c3b0 GM |
6777 | /* Value is non-zero if DATA looks like an in-memory XBM file. */ |
6778 | ||
6779 | static int | |
6780 | xbm_file_p (data) | |
6781 | Lisp_Object data; | |
6782 | { | |
6783 | int w, h; | |
6784 | return (STRINGP (data) | |
6785 | && xbm_read_bitmap_data (XSTRING (data)->data, | |
6786 | (XSTRING (data)->data | |
6787 | + STRING_BYTES (XSTRING (data))), | |
6788 | &w, &h, NULL)); | |
6789 | } | |
6790 | ||
6791 | ||
333b20bb GM |
6792 | /* Fill image IMG which is used on frame F with pixmap data. Value is |
6793 | non-zero if successful. */ | |
6794 | ||
6795 | static int | |
6796 | xbm_load (f, img) | |
6797 | struct frame *f; | |
6798 | struct image *img; | |
6799 | { | |
6800 | int success_p = 0; | |
6801 | Lisp_Object file_name; | |
6802 | ||
6803 | xassert (xbm_image_p (img->spec)); | |
6804 | ||
6805 | /* If IMG->spec specifies a file name, create a non-file spec from it. */ | |
6806 | file_name = image_spec_value (img->spec, QCfile, NULL); | |
6807 | if (STRINGP (file_name)) | |
5be6c3b0 GM |
6808 | { |
6809 | Lisp_Object file; | |
6810 | char *contents; | |
6811 | int size; | |
6812 | struct gcpro gcpro1; | |
6813 | ||
6814 | file = x_find_image_file (file_name); | |
6815 | GCPRO1 (file); | |
6816 | if (!STRINGP (file)) | |
6817 | { | |
6818 | image_error ("Cannot find image file `%s'", file_name, Qnil); | |
6819 | UNGCPRO; | |
6820 | return 0; | |
6821 | } | |
6822 | ||
6823 | contents = slurp_file (XSTRING (file)->data, &size); | |
6824 | if (contents == NULL) | |
6825 | { | |
6826 | image_error ("Error loading XBM image `%s'", img->spec, Qnil); | |
6827 | UNGCPRO; | |
6828 | return 0; | |
6829 | } | |
6830 | ||
6831 | success_p = xbm_load_image (f, img, contents, contents + size); | |
6832 | UNGCPRO; | |
6833 | } | |
333b20bb GM |
6834 | else |
6835 | { | |
6836 | struct image_keyword fmt[XBM_LAST]; | |
6837 | Lisp_Object data; | |
6838 | int depth; | |
6839 | unsigned long foreground = FRAME_FOREGROUND_PIXEL (f); | |
6840 | unsigned long background = FRAME_BACKGROUND_PIXEL (f); | |
6841 | char *bits; | |
9b207e8e | 6842 | int parsed_p; |
5be6c3b0 GM |
6843 | int in_memory_file_p = 0; |
6844 | ||
6845 | /* See if data looks like an in-memory XBM file. */ | |
6846 | data = image_spec_value (img->spec, QCdata, NULL); | |
6847 | in_memory_file_p = xbm_file_p (data); | |
333b20bb | 6848 | |
5be6c3b0 | 6849 | /* Parse the image specification. */ |
333b20bb | 6850 | bcopy (xbm_format, fmt, sizeof fmt); |
bfd2209f | 6851 | parsed_p = parse_image_spec (img->spec, fmt, XBM_LAST, Qxbm); |
333b20bb GM |
6852 | xassert (parsed_p); |
6853 | ||
6854 | /* Get specified width, and height. */ | |
5be6c3b0 GM |
6855 | if (!in_memory_file_p) |
6856 | { | |
6857 | img->width = XFASTINT (fmt[XBM_WIDTH].value); | |
6858 | img->height = XFASTINT (fmt[XBM_HEIGHT].value); | |
6859 | xassert (img->width > 0 && img->height > 0); | |
6860 | } | |
333b20bb | 6861 | |
333b20bb GM |
6862 | /* Get foreground and background colors, maybe allocate colors. */ |
6863 | if (fmt[XBM_FOREGROUND].count) | |
6864 | foreground = x_alloc_image_color (f, img, fmt[XBM_FOREGROUND].value, | |
6865 | foreground); | |
6866 | if (fmt[XBM_BACKGROUND].count) | |
6867 | background = x_alloc_image_color (f, img, fmt[XBM_BACKGROUND].value, | |
6868 | background); | |
6869 | ||
5be6c3b0 GM |
6870 | if (in_memory_file_p) |
6871 | success_p = xbm_load_image (f, img, XSTRING (data)->data, | |
6872 | (XSTRING (data)->data | |
6873 | + STRING_BYTES (XSTRING (data)))); | |
6874 | else | |
333b20bb | 6875 | { |
5be6c3b0 GM |
6876 | if (VECTORP (data)) |
6877 | { | |
6878 | int i; | |
6879 | char *p; | |
6880 | int nbytes = (img->width + BITS_PER_CHAR - 1) / BITS_PER_CHAR; | |
333b20bb | 6881 | |
5be6c3b0 GM |
6882 | p = bits = (char *) alloca (nbytes * img->height); |
6883 | for (i = 0; i < img->height; ++i, p += nbytes) | |
6884 | { | |
6885 | Lisp_Object line = XVECTOR (data)->contents[i]; | |
6886 | if (STRINGP (line)) | |
6887 | bcopy (XSTRING (line)->data, p, nbytes); | |
6888 | else | |
6889 | bcopy (XBOOL_VECTOR (line)->data, p, nbytes); | |
6890 | } | |
6891 | } | |
6892 | else if (STRINGP (data)) | |
6893 | bits = XSTRING (data)->data; | |
6894 | else | |
6895 | bits = XBOOL_VECTOR (data)->data; | |
6896 | ||
6897 | /* Create the pixmap. */ | |
6898 | depth = DefaultDepthOfScreen (FRAME_X_SCREEN (f)); | |
6899 | img->pixmap | |
6900 | = XCreatePixmapFromBitmapData (FRAME_X_DISPLAY (f), | |
6901 | FRAME_X_WINDOW (f), | |
6902 | bits, | |
6903 | img->width, img->height, | |
6904 | foreground, background, | |
6905 | depth); | |
6906 | if (img->pixmap) | |
6907 | success_p = 1; | |
6908 | else | |
333b20bb | 6909 | { |
5be6c3b0 GM |
6910 | image_error ("Unable to create pixmap for XBM image `%s'", |
6911 | img->spec, Qnil); | |
6912 | x_clear_image (f, img); | |
333b20bb GM |
6913 | } |
6914 | } | |
333b20bb GM |
6915 | } |
6916 | ||
6917 | return success_p; | |
6918 | } | |
6919 | ||
6920 | ||
6921 | \f | |
6922 | /*********************************************************************** | |
6923 | XPM images | |
6924 | ***********************************************************************/ | |
6925 | ||
6926 | #if HAVE_XPM | |
6927 | ||
6928 | static int xpm_image_p P_ ((Lisp_Object object)); | |
6929 | static int xpm_load P_ ((struct frame *f, struct image *img)); | |
6930 | static int xpm_valid_color_symbols_p P_ ((Lisp_Object)); | |
6931 | ||
6932 | #include "X11/xpm.h" | |
6933 | ||
6934 | /* The symbol `xpm' identifying XPM-format images. */ | |
6935 | ||
6936 | Lisp_Object Qxpm; | |
6937 | ||
6938 | /* Indices of image specification fields in xpm_format, below. */ | |
6939 | ||
6940 | enum xpm_keyword_index | |
6941 | { | |
6942 | XPM_TYPE, | |
6943 | XPM_FILE, | |
6944 | XPM_DATA, | |
6945 | XPM_ASCENT, | |
6946 | XPM_MARGIN, | |
6947 | XPM_RELIEF, | |
6948 | XPM_ALGORITHM, | |
6949 | XPM_HEURISTIC_MASK, | |
4a8e312c | 6950 | XPM_MASK, |
333b20bb GM |
6951 | XPM_COLOR_SYMBOLS, |
6952 | XPM_LAST | |
6953 | }; | |
6954 | ||
6955 | /* Vector of image_keyword structures describing the format | |
6956 | of valid XPM image specifications. */ | |
6957 | ||
6958 | static struct image_keyword xpm_format[XPM_LAST] = | |
6959 | { | |
6960 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
6961 | {":file", IMAGE_STRING_VALUE, 0}, | |
6962 | {":data", IMAGE_STRING_VALUE, 0}, | |
7c7ff7f5 | 6963 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
333b20bb GM |
6964 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE, 0}, |
6965 | {":relief", IMAGE_INTEGER_VALUE, 0}, | |
6966 | {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, | |
6967 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, | |
4a8e312c | 6968 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
333b20bb GM |
6969 | {":color-symbols", IMAGE_DONT_CHECK_VALUE_TYPE, 0} |
6970 | }; | |
6971 | ||
6972 | /* Structure describing the image type XBM. */ | |
6973 | ||
6974 | static struct image_type xpm_type = | |
6975 | { | |
6976 | &Qxpm, | |
6977 | xpm_image_p, | |
6978 | xpm_load, | |
6979 | x_clear_image, | |
6980 | NULL | |
6981 | }; | |
6982 | ||
6983 | ||
b243755a GM |
6984 | /* Define ALLOC_XPM_COLORS if we can use Emacs' own color allocation |
6985 | functions for allocating image colors. Our own functions handle | |
6986 | color allocation failures more gracefully than the ones on the XPM | |
6987 | lib. */ | |
6988 | ||
6989 | #if defined XpmAllocColor && defined XpmFreeColors && defined XpmColorClosure | |
6990 | #define ALLOC_XPM_COLORS | |
6991 | #endif | |
6992 | ||
6993 | #ifdef ALLOC_XPM_COLORS | |
6994 | ||
f72c62ad | 6995 | static void xpm_init_color_cache P_ ((struct frame *, XpmAttributes *)); |
b243755a GM |
6996 | static void xpm_free_color_cache P_ ((void)); |
6997 | static int xpm_lookup_color P_ ((struct frame *, char *, XColor *)); | |
f72c62ad GM |
6998 | static int xpm_color_bucket P_ ((char *)); |
6999 | static struct xpm_cached_color *xpm_cache_color P_ ((struct frame *, char *, | |
7000 | XColor *, int)); | |
b243755a GM |
7001 | |
7002 | /* An entry in a hash table used to cache color definitions of named | |
7003 | colors. This cache is necessary to speed up XPM image loading in | |
7004 | case we do color allocations ourselves. Without it, we would need | |
7005 | a call to XParseColor per pixel in the image. */ | |
7006 | ||
7007 | struct xpm_cached_color | |
7008 | { | |
7009 | /* Next in collision chain. */ | |
7010 | struct xpm_cached_color *next; | |
7011 | ||
7012 | /* Color definition (RGB and pixel color). */ | |
7013 | XColor color; | |
7014 | ||
7015 | /* Color name. */ | |
7016 | char name[1]; | |
7017 | }; | |
7018 | ||
7019 | /* The hash table used for the color cache, and its bucket vector | |
7020 | size. */ | |
7021 | ||
7022 | #define XPM_COLOR_CACHE_BUCKETS 1001 | |
7023 | struct xpm_cached_color **xpm_color_cache; | |
7024 | ||
b243755a GM |
7025 | /* Initialize the color cache. */ |
7026 | ||
7027 | static void | |
f72c62ad GM |
7028 | xpm_init_color_cache (f, attrs) |
7029 | struct frame *f; | |
7030 | XpmAttributes *attrs; | |
b243755a GM |
7031 | { |
7032 | size_t nbytes = XPM_COLOR_CACHE_BUCKETS * sizeof *xpm_color_cache; | |
7033 | xpm_color_cache = (struct xpm_cached_color **) xmalloc (nbytes); | |
7034 | memset (xpm_color_cache, 0, nbytes); | |
7035 | init_color_table (); | |
f72c62ad GM |
7036 | |
7037 | if (attrs->valuemask & XpmColorSymbols) | |
7038 | { | |
7039 | int i; | |
7040 | XColor color; | |
7041 | ||
7042 | for (i = 0; i < attrs->numsymbols; ++i) | |
7043 | if (XParseColor (FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), | |
7044 | attrs->colorsymbols[i].value, &color)) | |
7045 | { | |
7046 | color.pixel = lookup_rgb_color (f, color.red, color.green, | |
7047 | color.blue); | |
7048 | xpm_cache_color (f, attrs->colorsymbols[i].name, &color, -1); | |
7049 | } | |
7050 | } | |
b243755a GM |
7051 | } |
7052 | ||
7053 | ||
7054 | /* Free the color cache. */ | |
7055 | ||
7056 | static void | |
7057 | xpm_free_color_cache () | |
7058 | { | |
7059 | struct xpm_cached_color *p, *next; | |
7060 | int i; | |
7061 | ||
7062 | for (i = 0; i < XPM_COLOR_CACHE_BUCKETS; ++i) | |
7063 | for (p = xpm_color_cache[i]; p; p = next) | |
7064 | { | |
7065 | next = p->next; | |
7066 | xfree (p); | |
7067 | } | |
7068 | ||
7069 | xfree (xpm_color_cache); | |
7070 | xpm_color_cache = NULL; | |
7071 | free_color_table (); | |
7072 | } | |
7073 | ||
7074 | ||
f72c62ad GM |
7075 | /* Return the bucket index for color named COLOR_NAME in the color |
7076 | cache. */ | |
7077 | ||
7078 | static int | |
7079 | xpm_color_bucket (color_name) | |
7080 | char *color_name; | |
7081 | { | |
7082 | unsigned h = 0; | |
7083 | char *s; | |
7084 | ||
7085 | for (s = color_name; *s; ++s) | |
7086 | h = (h << 2) ^ *s; | |
7087 | return h %= XPM_COLOR_CACHE_BUCKETS; | |
7088 | } | |
7089 | ||
7090 | ||
7091 | /* On frame F, cache values COLOR for color with name COLOR_NAME. | |
7092 | BUCKET, if >= 0, is a precomputed bucket index. Value is the cache | |
7093 | entry added. */ | |
7094 | ||
7095 | static struct xpm_cached_color * | |
7096 | xpm_cache_color (f, color_name, color, bucket) | |
7097 | struct frame *f; | |
7098 | char *color_name; | |
7099 | XColor *color; | |
7100 | int bucket; | |
7101 | { | |
7102 | size_t nbytes; | |
7103 | struct xpm_cached_color *p; | |
7104 | ||
7105 | if (bucket < 0) | |
7106 | bucket = xpm_color_bucket (color_name); | |
7107 | ||
7108 | nbytes = sizeof *p + strlen (color_name); | |
7109 | p = (struct xpm_cached_color *) xmalloc (nbytes); | |
7110 | strcpy (p->name, color_name); | |
7111 | p->color = *color; | |
7112 | p->next = xpm_color_cache[bucket]; | |
7113 | xpm_color_cache[bucket] = p; | |
7114 | return p; | |
7115 | } | |
7116 | ||
7117 | ||
b243755a GM |
7118 | /* Look up color COLOR_NAME for frame F in the color cache. If found, |
7119 | return the cached definition in *COLOR. Otherwise, make a new | |
7120 | entry in the cache and allocate the color. Value is zero if color | |
7121 | allocation failed. */ | |
7122 | ||
7123 | static int | |
7124 | xpm_lookup_color (f, color_name, color) | |
7125 | struct frame *f; | |
7126 | char *color_name; | |
7127 | XColor *color; | |
7128 | { | |
b243755a | 7129 | struct xpm_cached_color *p; |
83676598 | 7130 | int h = xpm_color_bucket (color_name); |
b243755a GM |
7131 | |
7132 | for (p = xpm_color_cache[h]; p; p = p->next) | |
7133 | if (strcmp (p->name, color_name) == 0) | |
7134 | break; | |
7135 | ||
7136 | if (p != NULL) | |
7137 | *color = p->color; | |
7138 | else if (XParseColor (FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), | |
7139 | color_name, color)) | |
7140 | { | |
b243755a GM |
7141 | color->pixel = lookup_rgb_color (f, color->red, color->green, |
7142 | color->blue); | |
f72c62ad | 7143 | p = xpm_cache_color (f, color_name, color, h); |
b243755a | 7144 | } |
f72c62ad | 7145 | |
b243755a GM |
7146 | return p != NULL; |
7147 | } | |
7148 | ||
7149 | ||
7150 | /* Callback for allocating color COLOR_NAME. Called from the XPM lib. | |
7151 | CLOSURE is a pointer to the frame on which we allocate the | |
7152 | color. Return in *COLOR the allocated color. Value is non-zero | |
7153 | if successful. */ | |
7154 | ||
7155 | static int | |
7156 | xpm_alloc_color (dpy, cmap, color_name, color, closure) | |
7157 | Display *dpy; | |
7158 | Colormap cmap; | |
7159 | char *color_name; | |
7160 | XColor *color; | |
7161 | void *closure; | |
7162 | { | |
7163 | return xpm_lookup_color ((struct frame *) closure, color_name, color); | |
7164 | } | |
7165 | ||
7166 | ||
7167 | /* Callback for freeing NPIXELS colors contained in PIXELS. CLOSURE | |
7168 | is a pointer to the frame on which we allocate the color. Value is | |
7169 | non-zero if successful. */ | |
7170 | ||
7171 | static int | |
7172 | xpm_free_colors (dpy, cmap, pixels, npixels, closure) | |
7173 | Display *dpy; | |
7174 | Colormap cmap; | |
7175 | Pixel *pixels; | |
7176 | int npixels; | |
7177 | void *closure; | |
7178 | { | |
7179 | return 1; | |
7180 | } | |
7181 | ||
7182 | #endif /* ALLOC_XPM_COLORS */ | |
7183 | ||
7184 | ||
333b20bb GM |
7185 | /* Value is non-zero if COLOR_SYMBOLS is a valid color symbols list |
7186 | for XPM images. Such a list must consist of conses whose car and | |
7187 | cdr are strings. */ | |
7188 | ||
7189 | static int | |
7190 | xpm_valid_color_symbols_p (color_symbols) | |
7191 | Lisp_Object color_symbols; | |
7192 | { | |
7193 | while (CONSP (color_symbols)) | |
7194 | { | |
7195 | Lisp_Object sym = XCAR (color_symbols); | |
7196 | if (!CONSP (sym) | |
7197 | || !STRINGP (XCAR (sym)) | |
7198 | || !STRINGP (XCDR (sym))) | |
7199 | break; | |
7200 | color_symbols = XCDR (color_symbols); | |
7201 | } | |
7202 | ||
7203 | return NILP (color_symbols); | |
7204 | } | |
7205 | ||
7206 | ||
7207 | /* Value is non-zero if OBJECT is a valid XPM image specification. */ | |
7208 | ||
7209 | static int | |
7210 | xpm_image_p (object) | |
7211 | Lisp_Object object; | |
7212 | { | |
7213 | struct image_keyword fmt[XPM_LAST]; | |
7214 | bcopy (xpm_format, fmt, sizeof fmt); | |
bfd2209f | 7215 | return (parse_image_spec (object, fmt, XPM_LAST, Qxpm) |
333b20bb GM |
7216 | /* Either `:file' or `:data' must be present. */ |
7217 | && fmt[XPM_FILE].count + fmt[XPM_DATA].count == 1 | |
7218 | /* Either no `:color-symbols' or it's a list of conses | |
7219 | whose car and cdr are strings. */ | |
7220 | && (fmt[XPM_COLOR_SYMBOLS].count == 0 | |
7c7ff7f5 | 7221 | || xpm_valid_color_symbols_p (fmt[XPM_COLOR_SYMBOLS].value))); |
333b20bb GM |
7222 | } |
7223 | ||
7224 | ||
7225 | /* Load image IMG which will be displayed on frame F. Value is | |
7226 | non-zero if successful. */ | |
7227 | ||
7228 | static int | |
7229 | xpm_load (f, img) | |
7230 | struct frame *f; | |
7231 | struct image *img; | |
7232 | { | |
9b207e8e | 7233 | int rc; |
333b20bb GM |
7234 | XpmAttributes attrs; |
7235 | Lisp_Object specified_file, color_symbols; | |
7236 | ||
7237 | /* Configure the XPM lib. Use the visual of frame F. Allocate | |
7238 | close colors. Return colors allocated. */ | |
7239 | bzero (&attrs, sizeof attrs); | |
9b2956e2 GM |
7240 | attrs.visual = FRAME_X_VISUAL (f); |
7241 | attrs.colormap = FRAME_X_COLORMAP (f); | |
333b20bb | 7242 | attrs.valuemask |= XpmVisual; |
9b2956e2 | 7243 | attrs.valuemask |= XpmColormap; |
b243755a GM |
7244 | |
7245 | #ifdef ALLOC_XPM_COLORS | |
7246 | /* Allocate colors with our own functions which handle | |
7247 | failing color allocation more gracefully. */ | |
7248 | attrs.color_closure = f; | |
7249 | attrs.alloc_color = xpm_alloc_color; | |
7250 | attrs.free_colors = xpm_free_colors; | |
7251 | attrs.valuemask |= XpmAllocColor | XpmFreeColors | XpmColorClosure; | |
7252 | #else /* not ALLOC_XPM_COLORS */ | |
7253 | /* Let the XPM lib allocate colors. */ | |
333b20bb | 7254 | attrs.valuemask |= XpmReturnAllocPixels; |
e4c082be | 7255 | #ifdef XpmAllocCloseColors |
333b20bb GM |
7256 | attrs.alloc_close_colors = 1; |
7257 | attrs.valuemask |= XpmAllocCloseColors; | |
b243755a | 7258 | #else /* not XpmAllocCloseColors */ |
e4c082be RS |
7259 | attrs.closeness = 600; |
7260 | attrs.valuemask |= XpmCloseness; | |
b243755a GM |
7261 | #endif /* not XpmAllocCloseColors */ |
7262 | #endif /* ALLOC_XPM_COLORS */ | |
333b20bb GM |
7263 | |
7264 | /* If image specification contains symbolic color definitions, add | |
7265 | these to `attrs'. */ | |
7266 | color_symbols = image_spec_value (img->spec, QCcolor_symbols, NULL); | |
7267 | if (CONSP (color_symbols)) | |
7268 | { | |
7269 | Lisp_Object tail; | |
7270 | XpmColorSymbol *xpm_syms; | |
7271 | int i, size; | |
7272 | ||
7273 | attrs.valuemask |= XpmColorSymbols; | |
7274 | ||
7275 | /* Count number of symbols. */ | |
7276 | attrs.numsymbols = 0; | |
7277 | for (tail = color_symbols; CONSP (tail); tail = XCDR (tail)) | |
7278 | ++attrs.numsymbols; | |
7279 | ||
7280 | /* Allocate an XpmColorSymbol array. */ | |
7281 | size = attrs.numsymbols * sizeof *xpm_syms; | |
7282 | xpm_syms = (XpmColorSymbol *) alloca (size); | |
7283 | bzero (xpm_syms, size); | |
7284 | attrs.colorsymbols = xpm_syms; | |
7285 | ||
7286 | /* Fill the color symbol array. */ | |
7287 | for (tail = color_symbols, i = 0; | |
7288 | CONSP (tail); | |
7289 | ++i, tail = XCDR (tail)) | |
7290 | { | |
7291 | Lisp_Object name = XCAR (XCAR (tail)); | |
7292 | Lisp_Object color = XCDR (XCAR (tail)); | |
7293 | xpm_syms[i].name = (char *) alloca (XSTRING (name)->size + 1); | |
7294 | strcpy (xpm_syms[i].name, XSTRING (name)->data); | |
7295 | xpm_syms[i].value = (char *) alloca (XSTRING (color)->size + 1); | |
7296 | strcpy (xpm_syms[i].value, XSTRING (color)->data); | |
7297 | } | |
7298 | } | |
7299 | ||
7300 | /* Create a pixmap for the image, either from a file, or from a | |
7301 | string buffer containing data in the same format as an XPM file. */ | |
b243755a | 7302 | #ifdef ALLOC_XPM_COLORS |
f72c62ad | 7303 | xpm_init_color_cache (f, &attrs); |
b243755a GM |
7304 | #endif |
7305 | ||
333b20bb GM |
7306 | specified_file = image_spec_value (img->spec, QCfile, NULL); |
7307 | if (STRINGP (specified_file)) | |
7308 | { | |
7309 | Lisp_Object file = x_find_image_file (specified_file); | |
7310 | if (!STRINGP (file)) | |
7311 | { | |
45158a91 | 7312 | image_error ("Cannot find image file `%s'", specified_file, Qnil); |
333b20bb GM |
7313 | return 0; |
7314 | } | |
7315 | ||
7316 | rc = XpmReadFileToPixmap (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
7317 | XSTRING (file)->data, &img->pixmap, &img->mask, | |
7318 | &attrs); | |
7319 | } | |
7320 | else | |
7321 | { | |
7322 | Lisp_Object buffer = image_spec_value (img->spec, QCdata, NULL); | |
7323 | rc = XpmCreatePixmapFromBuffer (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
7324 | XSTRING (buffer)->data, | |
7325 | &img->pixmap, &img->mask, | |
7326 | &attrs); | |
7327 | } | |
333b20bb GM |
7328 | |
7329 | if (rc == XpmSuccess) | |
7330 | { | |
b243755a GM |
7331 | #ifdef ALLOC_XPM_COLORS |
7332 | img->colors = colors_in_color_table (&img->ncolors); | |
7333 | #else /* not ALLOC_XPM_COLORS */ | |
333b20bb GM |
7334 | img->ncolors = attrs.nalloc_pixels; |
7335 | img->colors = (unsigned long *) xmalloc (img->ncolors | |
7336 | * sizeof *img->colors); | |
7337 | for (i = 0; i < attrs.nalloc_pixels; ++i) | |
3b4ae1cc GM |
7338 | { |
7339 | img->colors[i] = attrs.alloc_pixels[i]; | |
7340 | #ifdef DEBUG_X_COLORS | |
7341 | register_color (img->colors[i]); | |
7342 | #endif | |
7343 | } | |
b243755a | 7344 | #endif /* not ALLOC_XPM_COLORS */ |
333b20bb GM |
7345 | |
7346 | img->width = attrs.width; | |
7347 | img->height = attrs.height; | |
7348 | xassert (img->width > 0 && img->height > 0); | |
7349 | ||
7350 | /* The call to XpmFreeAttributes below frees attrs.alloc_pixels. */ | |
333b20bb | 7351 | XpmFreeAttributes (&attrs); |
333b20bb GM |
7352 | } |
7353 | else | |
7354 | { | |
7355 | switch (rc) | |
7356 | { | |
7357 | case XpmOpenFailed: | |
7358 | image_error ("Error opening XPM file (%s)", img->spec, Qnil); | |
7359 | break; | |
7360 | ||
7361 | case XpmFileInvalid: | |
7362 | image_error ("Invalid XPM file (%s)", img->spec, Qnil); | |
7363 | break; | |
7364 | ||
7365 | case XpmNoMemory: | |
7366 | image_error ("Out of memory (%s)", img->spec, Qnil); | |
7367 | break; | |
7368 | ||
7369 | case XpmColorFailed: | |
7370 | image_error ("Color allocation error (%s)", img->spec, Qnil); | |
7371 | break; | |
7372 | ||
7373 | default: | |
7374 | image_error ("Unknown error (%s)", img->spec, Qnil); | |
7375 | break; | |
7376 | } | |
7377 | } | |
7378 | ||
b243755a GM |
7379 | #ifdef ALLOC_XPM_COLORS |
7380 | xpm_free_color_cache (); | |
7381 | #endif | |
333b20bb GM |
7382 | return rc == XpmSuccess; |
7383 | } | |
7384 | ||
7385 | #endif /* HAVE_XPM != 0 */ | |
7386 | ||
7387 | \f | |
7388 | /*********************************************************************** | |
7389 | Color table | |
7390 | ***********************************************************************/ | |
7391 | ||
7392 | /* An entry in the color table mapping an RGB color to a pixel color. */ | |
7393 | ||
7394 | struct ct_color | |
7395 | { | |
7396 | int r, g, b; | |
7397 | unsigned long pixel; | |
7398 | ||
7399 | /* Next in color table collision list. */ | |
7400 | struct ct_color *next; | |
7401 | }; | |
7402 | ||
7403 | /* The bucket vector size to use. Must be prime. */ | |
7404 | ||
7405 | #define CT_SIZE 101 | |
7406 | ||
7407 | /* Value is a hash of the RGB color given by R, G, and B. */ | |
7408 | ||
7409 | #define CT_HASH_RGB(R, G, B) (((R) << 16) ^ ((G) << 8) ^ (B)) | |
7410 | ||
7411 | /* The color hash table. */ | |
7412 | ||
7413 | struct ct_color **ct_table; | |
7414 | ||
7415 | /* Number of entries in the color table. */ | |
7416 | ||
7417 | int ct_colors_allocated; | |
7418 | ||
333b20bb GM |
7419 | /* Initialize the color table. */ |
7420 | ||
7421 | static void | |
7422 | init_color_table () | |
7423 | { | |
7424 | int size = CT_SIZE * sizeof (*ct_table); | |
7425 | ct_table = (struct ct_color **) xmalloc (size); | |
7426 | bzero (ct_table, size); | |
7427 | ct_colors_allocated = 0; | |
7428 | } | |
7429 | ||
7430 | ||
7431 | /* Free memory associated with the color table. */ | |
7432 | ||
7433 | static void | |
7434 | free_color_table () | |
7435 | { | |
7436 | int i; | |
7437 | struct ct_color *p, *next; | |
7438 | ||
7439 | for (i = 0; i < CT_SIZE; ++i) | |
7440 | for (p = ct_table[i]; p; p = next) | |
7441 | { | |
7442 | next = p->next; | |
7443 | xfree (p); | |
7444 | } | |
7445 | ||
7446 | xfree (ct_table); | |
7447 | ct_table = NULL; | |
7448 | } | |
7449 | ||
7450 | ||
7451 | /* Value is a pixel color for RGB color R, G, B on frame F. If an | |
7452 | entry for that color already is in the color table, return the | |
7453 | pixel color of that entry. Otherwise, allocate a new color for R, | |
7454 | G, B, and make an entry in the color table. */ | |
7455 | ||
7456 | static unsigned long | |
7457 | lookup_rgb_color (f, r, g, b) | |
7458 | struct frame *f; | |
7459 | int r, g, b; | |
7460 | { | |
7461 | unsigned hash = CT_HASH_RGB (r, g, b); | |
7462 | int i = hash % CT_SIZE; | |
7463 | struct ct_color *p; | |
7464 | ||
7465 | for (p = ct_table[i]; p; p = p->next) | |
7466 | if (p->r == r && p->g == g && p->b == b) | |
7467 | break; | |
7468 | ||
7469 | if (p == NULL) | |
7470 | { | |
7471 | XColor color; | |
7472 | Colormap cmap; | |
7473 | int rc; | |
7474 | ||
7475 | color.red = r; | |
7476 | color.green = g; | |
7477 | color.blue = b; | |
7478 | ||
9b2956e2 | 7479 | cmap = FRAME_X_COLORMAP (f); |
d62c8769 | 7480 | rc = x_alloc_nearest_color (f, cmap, &color); |
333b20bb GM |
7481 | |
7482 | if (rc) | |
7483 | { | |
7484 | ++ct_colors_allocated; | |
7485 | ||
7486 | p = (struct ct_color *) xmalloc (sizeof *p); | |
7487 | p->r = r; | |
7488 | p->g = g; | |
7489 | p->b = b; | |
7490 | p->pixel = color.pixel; | |
7491 | p->next = ct_table[i]; | |
7492 | ct_table[i] = p; | |
7493 | } | |
7494 | else | |
7495 | return FRAME_FOREGROUND_PIXEL (f); | |
7496 | } | |
7497 | ||
7498 | return p->pixel; | |
7499 | } | |
7500 | ||
7501 | ||
7502 | /* Look up pixel color PIXEL which is used on frame F in the color | |
7503 | table. If not already present, allocate it. Value is PIXEL. */ | |
7504 | ||
7505 | static unsigned long | |
7506 | lookup_pixel_color (f, pixel) | |
7507 | struct frame *f; | |
7508 | unsigned long pixel; | |
7509 | { | |
7510 | int i = pixel % CT_SIZE; | |
7511 | struct ct_color *p; | |
7512 | ||
7513 | for (p = ct_table[i]; p; p = p->next) | |
7514 | if (p->pixel == pixel) | |
7515 | break; | |
7516 | ||
7517 | if (p == NULL) | |
7518 | { | |
7519 | XColor color; | |
7520 | Colormap cmap; | |
7521 | int rc; | |
7522 | ||
9b2956e2 | 7523 | cmap = FRAME_X_COLORMAP (f); |
333b20bb | 7524 | color.pixel = pixel; |
a31fedb7 | 7525 | x_query_color (f, &color); |
d62c8769 | 7526 | rc = x_alloc_nearest_color (f, cmap, &color); |
333b20bb GM |
7527 | |
7528 | if (rc) | |
7529 | { | |
7530 | ++ct_colors_allocated; | |
7531 | ||
7532 | p = (struct ct_color *) xmalloc (sizeof *p); | |
7533 | p->r = color.red; | |
7534 | p->g = color.green; | |
7535 | p->b = color.blue; | |
7536 | p->pixel = pixel; | |
7537 | p->next = ct_table[i]; | |
7538 | ct_table[i] = p; | |
7539 | } | |
7540 | else | |
7541 | return FRAME_FOREGROUND_PIXEL (f); | |
7542 | } | |
7543 | ||
7544 | return p->pixel; | |
7545 | } | |
7546 | ||
7547 | ||
7548 | /* Value is a vector of all pixel colors contained in the color table, | |
7549 | allocated via xmalloc. Set *N to the number of colors. */ | |
7550 | ||
7551 | static unsigned long * | |
7552 | colors_in_color_table (n) | |
7553 | int *n; | |
7554 | { | |
7555 | int i, j; | |
7556 | struct ct_color *p; | |
7557 | unsigned long *colors; | |
7558 | ||
7559 | if (ct_colors_allocated == 0) | |
7560 | { | |
7561 | *n = 0; | |
7562 | colors = NULL; | |
7563 | } | |
7564 | else | |
7565 | { | |
7566 | colors = (unsigned long *) xmalloc (ct_colors_allocated | |
7567 | * sizeof *colors); | |
7568 | *n = ct_colors_allocated; | |
7569 | ||
7570 | for (i = j = 0; i < CT_SIZE; ++i) | |
7571 | for (p = ct_table[i]; p; p = p->next) | |
7572 | colors[j++] = p->pixel; | |
7573 | } | |
7574 | ||
7575 | return colors; | |
7576 | } | |
7577 | ||
7578 | ||
7579 | \f | |
7580 | /*********************************************************************** | |
7581 | Algorithms | |
7582 | ***********************************************************************/ | |
7583 | ||
7584 | static void x_laplace_write_row P_ ((struct frame *, long *, | |
7585 | int, XImage *, int)); | |
7586 | static void x_laplace_read_row P_ ((struct frame *, Colormap, | |
7587 | XColor *, int, XImage *, int)); | |
4a8e312c GM |
7588 | static XColor *x_to_xcolors P_ ((struct frame *, struct image *, int)); |
7589 | static void x_from_xcolors P_ ((struct frame *, struct image *, XColor *)); | |
7590 | static void x_detect_edges P_ ((struct frame *, struct image *, int[9], int)); | |
7591 | ||
14819cb3 GM |
7592 | /* Non-zero means draw a cross on images having `:algorithm |
7593 | disabled'. */ | |
7594 | ||
7595 | int cross_disabled_images; | |
7596 | ||
4a8e312c GM |
7597 | /* Edge detection matrices for different edge-detection |
7598 | strategies. */ | |
7599 | ||
7600 | static int emboss_matrix[9] = { | |
7601 | /* x - 1 x x + 1 */ | |
7602 | 2, -1, 0, /* y - 1 */ | |
7603 | -1, 0, 1, /* y */ | |
7604 | 0, 1, -2 /* y + 1 */ | |
7605 | }; | |
333b20bb | 7606 | |
4a8e312c GM |
7607 | static int laplace_matrix[9] = { |
7608 | /* x - 1 x x + 1 */ | |
7609 | 1, 0, 0, /* y - 1 */ | |
7610 | 0, 0, 0, /* y */ | |
7611 | 0, 0, -1 /* y + 1 */ | |
7612 | }; | |
333b20bb | 7613 | |
14819cb3 GM |
7614 | /* Value is the intensity of the color whose red/green/blue values |
7615 | are R, G, and B. */ | |
7616 | ||
7617 | #define COLOR_INTENSITY(R, G, B) ((2 * (R) + 3 * (G) + (B)) / 6) | |
7618 | ||
333b20bb | 7619 | |
4a8e312c GM |
7620 | /* On frame F, return an array of XColor structures describing image |
7621 | IMG->pixmap. Each XColor structure has its pixel color set. RGB_P | |
7622 | non-zero means also fill the red/green/blue members of the XColor | |
7623 | structures. Value is a pointer to the array of XColors structures, | |
7624 | allocated with xmalloc; it must be freed by the caller. */ | |
7625 | ||
7626 | static XColor * | |
7627 | x_to_xcolors (f, img, rgb_p) | |
333b20bb | 7628 | struct frame *f; |
4a8e312c GM |
7629 | struct image *img; |
7630 | int rgb_p; | |
333b20bb | 7631 | { |
4a8e312c GM |
7632 | int x, y; |
7633 | XColor *colors, *p; | |
7634 | XImage *ximg; | |
333b20bb | 7635 | |
4a8e312c GM |
7636 | colors = (XColor *) xmalloc (img->width * img->height * sizeof *colors); |
7637 | ||
7638 | /* Get the X image IMG->pixmap. */ | |
7639 | ximg = XGetImage (FRAME_X_DISPLAY (f), img->pixmap, | |
7640 | 0, 0, img->width, img->height, ~0, ZPixmap); | |
333b20bb | 7641 | |
4a8e312c GM |
7642 | /* Fill the `pixel' members of the XColor array. I wished there |
7643 | were an easy and portable way to circumvent XGetPixel. */ | |
7644 | p = colors; | |
7645 | for (y = 0; y < img->height; ++y) | |
7646 | { | |
7647 | XColor *row = p; | |
7648 | ||
7649 | for (x = 0; x < img->width; ++x, ++p) | |
7650 | p->pixel = XGetPixel (ximg, x, y); | |
7651 | ||
7652 | if (rgb_p) | |
a31fedb7 | 7653 | x_query_colors (f, row, img->width); |
4a8e312c GM |
7654 | } |
7655 | ||
7656 | XDestroyImage (ximg); | |
4a8e312c | 7657 | return colors; |
333b20bb GM |
7658 | } |
7659 | ||
7660 | ||
4a8e312c GM |
7661 | /* Create IMG->pixmap from an array COLORS of XColor structures, whose |
7662 | RGB members are set. F is the frame on which this all happens. | |
7663 | COLORS will be freed; an existing IMG->pixmap will be freed, too. */ | |
333b20bb GM |
7664 | |
7665 | static void | |
4a8e312c | 7666 | x_from_xcolors (f, img, colors) |
333b20bb | 7667 | struct frame *f; |
4a8e312c GM |
7668 | struct image *img; |
7669 | XColor *colors; | |
333b20bb | 7670 | { |
4a8e312c GM |
7671 | int x, y; |
7672 | XImage *oimg; | |
7673 | Pixmap pixmap; | |
7674 | XColor *p; | |
7675 | ||
4a8e312c | 7676 | init_color_table (); |
333b20bb | 7677 | |
4a8e312c GM |
7678 | x_create_x_image_and_pixmap (f, img->width, img->height, 0, |
7679 | &oimg, &pixmap); | |
7680 | p = colors; | |
7681 | for (y = 0; y < img->height; ++y) | |
7682 | for (x = 0; x < img->width; ++x, ++p) | |
7683 | { | |
7684 | unsigned long pixel; | |
7685 | pixel = lookup_rgb_color (f, p->red, p->green, p->blue); | |
7686 | XPutPixel (oimg, x, y, pixel); | |
7687 | } | |
7688 | ||
7689 | xfree (colors); | |
dd00328a | 7690 | x_clear_image_1 (f, img, 1, 0, 1); |
4a8e312c GM |
7691 | |
7692 | x_put_x_image (f, oimg, pixmap, img->width, img->height); | |
7693 | x_destroy_x_image (oimg); | |
7694 | img->pixmap = pixmap; | |
7695 | img->colors = colors_in_color_table (&img->ncolors); | |
7696 | free_color_table (); | |
333b20bb GM |
7697 | } |
7698 | ||
7699 | ||
4a8e312c GM |
7700 | /* On frame F, perform edge-detection on image IMG. |
7701 | ||
7702 | MATRIX is a nine-element array specifying the transformation | |
7703 | matrix. See emboss_matrix for an example. | |
7704 | ||
7705 | COLOR_ADJUST is a color adjustment added to each pixel of the | |
7706 | outgoing image. */ | |
333b20bb GM |
7707 | |
7708 | static void | |
4a8e312c | 7709 | x_detect_edges (f, img, matrix, color_adjust) |
333b20bb GM |
7710 | struct frame *f; |
7711 | struct image *img; | |
4a8e312c | 7712 | int matrix[9], color_adjust; |
333b20bb | 7713 | { |
4a8e312c GM |
7714 | XColor *colors = x_to_xcolors (f, img, 1); |
7715 | XColor *new, *p; | |
7716 | int x, y, i, sum; | |
333b20bb | 7717 | |
4a8e312c GM |
7718 | for (i = sum = 0; i < 9; ++i) |
7719 | sum += abs (matrix[i]); | |
333b20bb | 7720 | |
4a8e312c | 7721 | #define COLOR(A, X, Y) ((A) + (Y) * img->width + (X)) |
333b20bb | 7722 | |
4a8e312c | 7723 | new = (XColor *) xmalloc (img->width * img->height * sizeof *new); |
333b20bb | 7724 | |
4a8e312c GM |
7725 | for (y = 0; y < img->height; ++y) |
7726 | { | |
7727 | p = COLOR (new, 0, y); | |
7728 | p->red = p->green = p->blue = 0xffff/2; | |
7729 | p = COLOR (new, img->width - 1, y); | |
7730 | p->red = p->green = p->blue = 0xffff/2; | |
7731 | } | |
7732 | ||
7733 | for (x = 1; x < img->width - 1; ++x) | |
7734 | { | |
7735 | p = COLOR (new, x, 0); | |
7736 | p->red = p->green = p->blue = 0xffff/2; | |
7737 | p = COLOR (new, x, img->height - 1); | |
7738 | p->red = p->green = p->blue = 0xffff/2; | |
7739 | } | |
333b20bb | 7740 | |
4a8e312c | 7741 | for (y = 1; y < img->height - 1; ++y) |
333b20bb | 7742 | { |
4a8e312c GM |
7743 | p = COLOR (new, 1, y); |
7744 | ||
7745 | for (x = 1; x < img->width - 1; ++x, ++p) | |
7746 | { | |
14819cb3 | 7747 | int r, g, b, y1, x1; |
4a8e312c GM |
7748 | |
7749 | r = g = b = i = 0; | |
7750 | for (y1 = y - 1; y1 < y + 2; ++y1) | |
7751 | for (x1 = x - 1; x1 < x + 2; ++x1, ++i) | |
7752 | if (matrix[i]) | |
7753 | { | |
7754 | XColor *t = COLOR (colors, x1, y1); | |
7755 | r += matrix[i] * t->red; | |
7756 | g += matrix[i] * t->green; | |
7757 | b += matrix[i] * t->blue; | |
7758 | } | |
333b20bb | 7759 | |
4a8e312c GM |
7760 | r = (r / sum + color_adjust) & 0xffff; |
7761 | g = (g / sum + color_adjust) & 0xffff; | |
7762 | b = (b / sum + color_adjust) & 0xffff; | |
14819cb3 | 7763 | p->red = p->green = p->blue = COLOR_INTENSITY (r, g, b); |
333b20bb | 7764 | } |
333b20bb GM |
7765 | } |
7766 | ||
4a8e312c GM |
7767 | xfree (colors); |
7768 | x_from_xcolors (f, img, new); | |
333b20bb | 7769 | |
4a8e312c GM |
7770 | #undef COLOR |
7771 | } | |
7772 | ||
7773 | ||
7774 | /* Perform the pre-defined `emboss' edge-detection on image IMG | |
7775 | on frame F. */ | |
7776 | ||
7777 | static void | |
7778 | x_emboss (f, img) | |
7779 | struct frame *f; | |
7780 | struct image *img; | |
7781 | { | |
7782 | x_detect_edges (f, img, emboss_matrix, 0xffff / 2); | |
7783 | } | |
7784 | ||
7785 | ||
7786 | /* Perform the pre-defined `laplace' edge-detection on image IMG | |
7787 | on frame F. */ | |
7788 | ||
7789 | static void | |
7790 | x_laplace (f, img) | |
7791 | struct frame *f; | |
7792 | struct image *img; | |
7793 | { | |
7794 | x_detect_edges (f, img, laplace_matrix, 45000); | |
7795 | } | |
7796 | ||
7797 | ||
7798 | /* Perform edge-detection on image IMG on frame F, with specified | |
7799 | transformation matrix MATRIX and color-adjustment COLOR_ADJUST. | |
7800 | ||
7801 | MATRIX must be either | |
7802 | ||
7803 | - a list of at least 9 numbers in row-major form | |
7804 | - a vector of at least 9 numbers | |
7805 | ||
7806 | COLOR_ADJUST nil means use a default; otherwise it must be a | |
7807 | number. */ | |
7808 | ||
7809 | static void | |
7810 | x_edge_detection (f, img, matrix, color_adjust) | |
7811 | struct frame *f; | |
7812 | struct image *img; | |
7813 | Lisp_Object matrix, color_adjust; | |
7814 | { | |
7815 | int i = 0; | |
7816 | int trans[9]; | |
333b20bb | 7817 | |
4a8e312c GM |
7818 | if (CONSP (matrix)) |
7819 | { | |
7820 | for (i = 0; | |
7821 | i < 9 && CONSP (matrix) && NUMBERP (XCAR (matrix)); | |
7822 | ++i, matrix = XCDR (matrix)) | |
7823 | trans[i] = XFLOATINT (XCAR (matrix)); | |
7824 | } | |
7825 | else if (VECTORP (matrix) && ASIZE (matrix) >= 9) | |
7826 | { | |
7827 | for (i = 0; i < 9 && NUMBERP (AREF (matrix, i)); ++i) | |
7828 | trans[i] = XFLOATINT (AREF (matrix, i)); | |
7829 | } | |
333b20bb | 7830 | |
4a8e312c GM |
7831 | if (NILP (color_adjust)) |
7832 | color_adjust = make_number (0xffff / 2); | |
333b20bb | 7833 | |
4a8e312c GM |
7834 | if (i == 9 && NUMBERP (color_adjust)) |
7835 | x_detect_edges (f, img, trans, (int) XFLOATINT (color_adjust)); | |
333b20bb GM |
7836 | } |
7837 | ||
7838 | ||
14819cb3 GM |
7839 | /* Transform image IMG on frame F so that it looks disabled. */ |
7840 | ||
7841 | static void | |
7842 | x_disable_image (f, img) | |
7843 | struct frame *f; | |
7844 | struct image *img; | |
7845 | { | |
7846 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
dd00328a | 7847 | |
14819cb3 GM |
7848 | if (dpyinfo->n_planes >= 2) |
7849 | { | |
7850 | /* Color (or grayscale). Convert to gray, and equalize. Just | |
7851 | drawing such images with a stipple can look very odd, so | |
7852 | we're using this method instead. */ | |
7853 | XColor *colors = x_to_xcolors (f, img, 1); | |
7854 | XColor *p, *end; | |
7855 | const int h = 15000; | |
7856 | const int l = 30000; | |
7857 | ||
7858 | for (p = colors, end = colors + img->width * img->height; | |
7859 | p < end; | |
7860 | ++p) | |
7861 | { | |
7862 | int i = COLOR_INTENSITY (p->red, p->green, p->blue); | |
7863 | int i2 = (0xffff - h - l) * i / 0xffff + l; | |
7864 | p->red = p->green = p->blue = i2; | |
7865 | } | |
7866 | ||
7867 | x_from_xcolors (f, img, colors); | |
7868 | } | |
7869 | ||
7870 | /* Draw a cross over the disabled image, if we must or if we | |
7871 | should. */ | |
7872 | if (dpyinfo->n_planes < 2 || cross_disabled_images) | |
7873 | { | |
7874 | Display *dpy = FRAME_X_DISPLAY (f); | |
7875 | GC gc; | |
7876 | ||
14819cb3 GM |
7877 | gc = XCreateGC (dpy, img->pixmap, 0, NULL); |
7878 | XSetForeground (dpy, gc, BLACK_PIX_DEFAULT (f)); | |
7879 | XDrawLine (dpy, img->pixmap, gc, 0, 0, | |
7880 | img->width - 1, img->height - 1); | |
7881 | XDrawLine (dpy, img->pixmap, gc, 0, img->height - 1, | |
7882 | img->width - 1, 0); | |
7883 | XFreeGC (dpy, gc); | |
7884 | ||
7885 | if (img->mask) | |
7886 | { | |
7887 | gc = XCreateGC (dpy, img->mask, 0, NULL); | |
7888 | XSetForeground (dpy, gc, WHITE_PIX_DEFAULT (f)); | |
7889 | XDrawLine (dpy, img->mask, gc, 0, 0, | |
7890 | img->width - 1, img->height - 1); | |
7891 | XDrawLine (dpy, img->mask, gc, 0, img->height - 1, | |
7892 | img->width - 1, 0); | |
7893 | XFreeGC (dpy, gc); | |
7894 | } | |
14819cb3 GM |
7895 | } |
7896 | } | |
7897 | ||
7898 | ||
333b20bb GM |
7899 | /* Build a mask for image IMG which is used on frame F. FILE is the |
7900 | name of an image file, for error messages. HOW determines how to | |
fcf431dc GM |
7901 | determine the background color of IMG. If it is a list '(R G B)', |
7902 | with R, G, and B being integers >= 0, take that as the color of the | |
7903 | background. Otherwise, determine the background color of IMG | |
7904 | heuristically. Value is non-zero if successful. */ | |
333b20bb GM |
7905 | |
7906 | static int | |
45158a91 | 7907 | x_build_heuristic_mask (f, img, how) |
333b20bb | 7908 | struct frame *f; |
333b20bb GM |
7909 | struct image *img; |
7910 | Lisp_Object how; | |
7911 | { | |
7912 | Display *dpy = FRAME_X_DISPLAY (f); | |
333b20bb | 7913 | XImage *ximg, *mask_img; |
fcf431dc | 7914 | int x, y, rc, look_at_corners_p; |
8ec8a5ec | 7915 | unsigned long bg = 0; |
333b20bb | 7916 | |
4a8e312c GM |
7917 | if (img->mask) |
7918 | { | |
7919 | XFreePixmap (FRAME_X_DISPLAY (f), img->mask); | |
dd00328a | 7920 | img->mask = None; |
4a8e312c | 7921 | } |
dd00328a | 7922 | |
333b20bb | 7923 | /* Create an image and pixmap serving as mask. */ |
45158a91 | 7924 | rc = x_create_x_image_and_pixmap (f, img->width, img->height, 1, |
333b20bb GM |
7925 | &mask_img, &img->mask); |
7926 | if (!rc) | |
28c7826c | 7927 | return 0; |
333b20bb GM |
7928 | |
7929 | /* Get the X image of IMG->pixmap. */ | |
7930 | ximg = XGetImage (dpy, img->pixmap, 0, 0, img->width, img->height, | |
7931 | ~0, ZPixmap); | |
7932 | ||
fcf431dc GM |
7933 | /* Determine the background color of ximg. If HOW is `(R G B)' |
7934 | take that as color. Otherwise, try to determine the color | |
7935 | heuristically. */ | |
7936 | look_at_corners_p = 1; | |
7937 | ||
7938 | if (CONSP (how)) | |
7939 | { | |
7940 | int rgb[3], i = 0; | |
7941 | ||
7942 | while (i < 3 | |
7943 | && CONSP (how) | |
7944 | && NATNUMP (XCAR (how))) | |
7945 | { | |
7946 | rgb[i] = XFASTINT (XCAR (how)) & 0xffff; | |
7947 | how = XCDR (how); | |
7948 | } | |
7949 | ||
7950 | if (i == 3 && NILP (how)) | |
7951 | { | |
7952 | char color_name[30]; | |
7953 | XColor exact, color; | |
7954 | Colormap cmap; | |
7955 | ||
7956 | sprintf (color_name, "#%04x%04x%04x", rgb[0], rgb[1], rgb[2]); | |
7957 | ||
9b2956e2 | 7958 | cmap = FRAME_X_COLORMAP (f); |
fcf431dc GM |
7959 | if (XLookupColor (dpy, cmap, color_name, &exact, &color)) |
7960 | { | |
7961 | bg = color.pixel; | |
7962 | look_at_corners_p = 0; | |
7963 | } | |
7964 | } | |
7965 | } | |
7966 | ||
7967 | if (look_at_corners_p) | |
333b20bb GM |
7968 | { |
7969 | unsigned long corners[4]; | |
7970 | int i, best_count; | |
7971 | ||
7972 | /* Get the colors at the corners of ximg. */ | |
7973 | corners[0] = XGetPixel (ximg, 0, 0); | |
7974 | corners[1] = XGetPixel (ximg, img->width - 1, 0); | |
7975 | corners[2] = XGetPixel (ximg, img->width - 1, img->height - 1); | |
7976 | corners[3] = XGetPixel (ximg, 0, img->height - 1); | |
7977 | ||
7978 | /* Choose the most frequently found color as background. */ | |
7979 | for (i = best_count = 0; i < 4; ++i) | |
7980 | { | |
7981 | int j, n; | |
7982 | ||
7983 | for (j = n = 0; j < 4; ++j) | |
7984 | if (corners[i] == corners[j]) | |
7985 | ++n; | |
7986 | ||
7987 | if (n > best_count) | |
7988 | bg = corners[i], best_count = n; | |
7989 | } | |
7990 | } | |
7991 | ||
7992 | /* Set all bits in mask_img to 1 whose color in ximg is different | |
7993 | from the background color bg. */ | |
7994 | for (y = 0; y < img->height; ++y) | |
7995 | for (x = 0; x < img->width; ++x) | |
7996 | XPutPixel (mask_img, x, y, XGetPixel (ximg, x, y) != bg); | |
7997 | ||
7998 | /* Put mask_img into img->mask. */ | |
7999 | x_put_x_image (f, mask_img, img->mask, img->width, img->height); | |
8000 | x_destroy_x_image (mask_img); | |
8001 | XDestroyImage (ximg); | |
8002 | ||
333b20bb GM |
8003 | return 1; |
8004 | } | |
8005 | ||
8006 | ||
8007 | \f | |
8008 | /*********************************************************************** | |
8009 | PBM (mono, gray, color) | |
8010 | ***********************************************************************/ | |
8011 | ||
8012 | static int pbm_image_p P_ ((Lisp_Object object)); | |
8013 | static int pbm_load P_ ((struct frame *f, struct image *img)); | |
63cec32f | 8014 | static int pbm_scan_number P_ ((unsigned char **, unsigned char *)); |
333b20bb GM |
8015 | |
8016 | /* The symbol `pbm' identifying images of this type. */ | |
8017 | ||
8018 | Lisp_Object Qpbm; | |
8019 | ||
8020 | /* Indices of image specification fields in gs_format, below. */ | |
8021 | ||
8022 | enum pbm_keyword_index | |
8023 | { | |
8024 | PBM_TYPE, | |
8025 | PBM_FILE, | |
63cec32f | 8026 | PBM_DATA, |
333b20bb GM |
8027 | PBM_ASCENT, |
8028 | PBM_MARGIN, | |
8029 | PBM_RELIEF, | |
8030 | PBM_ALGORITHM, | |
8031 | PBM_HEURISTIC_MASK, | |
4a8e312c | 8032 | PBM_MASK, |
be0b1fac GM |
8033 | PBM_FOREGROUND, |
8034 | PBM_BACKGROUND, | |
333b20bb GM |
8035 | PBM_LAST |
8036 | }; | |
8037 | ||
8038 | /* Vector of image_keyword structures describing the format | |
8039 | of valid user-defined image specifications. */ | |
8040 | ||
8041 | static struct image_keyword pbm_format[PBM_LAST] = | |
8042 | { | |
8043 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
63cec32f GM |
8044 | {":file", IMAGE_STRING_VALUE, 0}, |
8045 | {":data", IMAGE_STRING_VALUE, 0}, | |
7c7ff7f5 | 8046 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
333b20bb GM |
8047 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE, 0}, |
8048 | {":relief", IMAGE_INTEGER_VALUE, 0}, | |
8049 | {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, | |
4a8e312c | 8050 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
be0b1fac GM |
8051 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
8052 | {":foreground", IMAGE_STRING_VALUE, 0}, | |
8053 | {":background", IMAGE_STRING_VALUE, 0} | |
333b20bb GM |
8054 | }; |
8055 | ||
8056 | /* Structure describing the image type `pbm'. */ | |
8057 | ||
8058 | static struct image_type pbm_type = | |
8059 | { | |
8060 | &Qpbm, | |
8061 | pbm_image_p, | |
8062 | pbm_load, | |
8063 | x_clear_image, | |
8064 | NULL | |
8065 | }; | |
8066 | ||
8067 | ||
8068 | /* Return non-zero if OBJECT is a valid PBM image specification. */ | |
8069 | ||
8070 | static int | |
8071 | pbm_image_p (object) | |
8072 | Lisp_Object object; | |
8073 | { | |
8074 | struct image_keyword fmt[PBM_LAST]; | |
8075 | ||
8076 | bcopy (pbm_format, fmt, sizeof fmt); | |
8077 | ||
7c7ff7f5 | 8078 | if (!parse_image_spec (object, fmt, PBM_LAST, Qpbm)) |
333b20bb | 8079 | return 0; |
63cec32f GM |
8080 | |
8081 | /* Must specify either :data or :file. */ | |
8082 | return fmt[PBM_DATA].count + fmt[PBM_FILE].count == 1; | |
333b20bb GM |
8083 | } |
8084 | ||
8085 | ||
63cec32f GM |
8086 | /* Scan a decimal number from *S and return it. Advance *S while |
8087 | reading the number. END is the end of the string. Value is -1 at | |
8088 | end of input. */ | |
333b20bb GM |
8089 | |
8090 | static int | |
63cec32f GM |
8091 | pbm_scan_number (s, end) |
8092 | unsigned char **s, *end; | |
333b20bb | 8093 | { |
8ec8a5ec | 8094 | int c = 0, val = -1; |
333b20bb | 8095 | |
63cec32f | 8096 | while (*s < end) |
333b20bb GM |
8097 | { |
8098 | /* Skip white-space. */ | |
63cec32f | 8099 | while (*s < end && (c = *(*s)++, isspace (c))) |
333b20bb GM |
8100 | ; |
8101 | ||
8102 | if (c == '#') | |
8103 | { | |
8104 | /* Skip comment to end of line. */ | |
63cec32f | 8105 | while (*s < end && (c = *(*s)++, c != '\n')) |
333b20bb GM |
8106 | ; |
8107 | } | |
8108 | else if (isdigit (c)) | |
8109 | { | |
8110 | /* Read decimal number. */ | |
8111 | val = c - '0'; | |
63cec32f | 8112 | while (*s < end && (c = *(*s)++, isdigit (c))) |
333b20bb GM |
8113 | val = 10 * val + c - '0'; |
8114 | break; | |
8115 | } | |
8116 | else | |
8117 | break; | |
8118 | } | |
8119 | ||
8120 | return val; | |
8121 | } | |
8122 | ||
8123 | ||
8124 | /* Load PBM image IMG for use on frame F. */ | |
8125 | ||
8126 | static int | |
8127 | pbm_load (f, img) | |
8128 | struct frame *f; | |
8129 | struct image *img; | |
8130 | { | |
333b20bb | 8131 | int raw_p, x, y; |
b6d7acec | 8132 | int width, height, max_color_idx = 0; |
333b20bb GM |
8133 | XImage *ximg; |
8134 | Lisp_Object file, specified_file; | |
8135 | enum {PBM_MONO, PBM_GRAY, PBM_COLOR} type; | |
8136 | struct gcpro gcpro1; | |
63cec32f GM |
8137 | unsigned char *contents = NULL; |
8138 | unsigned char *end, *p; | |
8139 | int size; | |
333b20bb GM |
8140 | |
8141 | specified_file = image_spec_value (img->spec, QCfile, NULL); | |
63cec32f | 8142 | file = Qnil; |
333b20bb | 8143 | GCPRO1 (file); |
333b20bb | 8144 | |
63cec32f | 8145 | if (STRINGP (specified_file)) |
333b20bb | 8146 | { |
63cec32f GM |
8147 | file = x_find_image_file (specified_file); |
8148 | if (!STRINGP (file)) | |
8149 | { | |
8150 | image_error ("Cannot find image file `%s'", specified_file, Qnil); | |
8151 | UNGCPRO; | |
8152 | return 0; | |
8153 | } | |
333b20bb | 8154 | |
5be6c3b0 | 8155 | contents = slurp_file (XSTRING (file)->data, &size); |
63cec32f GM |
8156 | if (contents == NULL) |
8157 | { | |
8158 | image_error ("Error reading `%s'", file, Qnil); | |
8159 | UNGCPRO; | |
8160 | return 0; | |
8161 | } | |
8162 | ||
8163 | p = contents; | |
8164 | end = contents + size; | |
8165 | } | |
8166 | else | |
333b20bb | 8167 | { |
63cec32f GM |
8168 | Lisp_Object data; |
8169 | data = image_spec_value (img->spec, QCdata, NULL); | |
8170 | p = XSTRING (data)->data; | |
8171 | end = p + STRING_BYTES (XSTRING (data)); | |
333b20bb GM |
8172 | } |
8173 | ||
63cec32f GM |
8174 | /* Check magic number. */ |
8175 | if (end - p < 2 || *p++ != 'P') | |
333b20bb | 8176 | { |
45158a91 | 8177 | image_error ("Not a PBM image: `%s'", img->spec, Qnil); |
63cec32f GM |
8178 | error: |
8179 | xfree (contents); | |
333b20bb GM |
8180 | UNGCPRO; |
8181 | return 0; | |
8182 | } | |
8183 | ||
63cec32f | 8184 | switch (*p++) |
333b20bb GM |
8185 | { |
8186 | case '1': | |
8187 | raw_p = 0, type = PBM_MONO; | |
8188 | break; | |
8189 | ||
8190 | case '2': | |
8191 | raw_p = 0, type = PBM_GRAY; | |
8192 | break; | |
8193 | ||
8194 | case '3': | |
8195 | raw_p = 0, type = PBM_COLOR; | |
8196 | break; | |
8197 | ||
8198 | case '4': | |
8199 | raw_p = 1, type = PBM_MONO; | |
8200 | break; | |
8201 | ||
8202 | case '5': | |
8203 | raw_p = 1, type = PBM_GRAY; | |
8204 | break; | |
8205 | ||
8206 | case '6': | |
8207 | raw_p = 1, type = PBM_COLOR; | |
8208 | break; | |
8209 | ||
8210 | default: | |
45158a91 | 8211 | image_error ("Not a PBM image: `%s'", img->spec, Qnil); |
63cec32f | 8212 | goto error; |
333b20bb GM |
8213 | } |
8214 | ||
8215 | /* Read width, height, maximum color-component. Characters | |
8216 | starting with `#' up to the end of a line are ignored. */ | |
63cec32f GM |
8217 | width = pbm_scan_number (&p, end); |
8218 | height = pbm_scan_number (&p, end); | |
333b20bb GM |
8219 | |
8220 | if (type != PBM_MONO) | |
8221 | { | |
63cec32f | 8222 | max_color_idx = pbm_scan_number (&p, end); |
333b20bb GM |
8223 | if (raw_p && max_color_idx > 255) |
8224 | max_color_idx = 255; | |
8225 | } | |
8226 | ||
63cec32f GM |
8227 | if (width < 0 |
8228 | || height < 0 | |
333b20bb | 8229 | || (type != PBM_MONO && max_color_idx < 0)) |
63cec32f | 8230 | goto error; |
333b20bb | 8231 | |
45158a91 | 8232 | if (!x_create_x_image_and_pixmap (f, width, height, 0, |
333b20bb | 8233 | &ximg, &img->pixmap)) |
28c7826c | 8234 | goto error; |
333b20bb GM |
8235 | |
8236 | /* Initialize the color hash table. */ | |
8237 | init_color_table (); | |
8238 | ||
8239 | if (type == PBM_MONO) | |
8240 | { | |
8241 | int c = 0, g; | |
be0b1fac GM |
8242 | struct image_keyword fmt[PBM_LAST]; |
8243 | unsigned long fg = FRAME_FOREGROUND_PIXEL (f); | |
8244 | unsigned long bg = FRAME_BACKGROUND_PIXEL (f); | |
8245 | ||
8246 | /* Parse the image specification. */ | |
8247 | bcopy (pbm_format, fmt, sizeof fmt); | |
8248 | parse_image_spec (img->spec, fmt, PBM_LAST, Qpbm); | |
8249 | ||
8250 | /* Get foreground and background colors, maybe allocate colors. */ | |
8251 | if (fmt[PBM_FOREGROUND].count) | |
8252 | fg = x_alloc_image_color (f, img, fmt[PBM_FOREGROUND].value, fg); | |
8253 | if (fmt[PBM_BACKGROUND].count) | |
8254 | bg = x_alloc_image_color (f, img, fmt[PBM_BACKGROUND].value, bg); | |
333b20bb GM |
8255 | |
8256 | for (y = 0; y < height; ++y) | |
8257 | for (x = 0; x < width; ++x) | |
8258 | { | |
8259 | if (raw_p) | |
8260 | { | |
8261 | if ((x & 7) == 0) | |
63cec32f | 8262 | c = *p++; |
333b20bb GM |
8263 | g = c & 0x80; |
8264 | c <<= 1; | |
8265 | } | |
8266 | else | |
63cec32f | 8267 | g = pbm_scan_number (&p, end); |
333b20bb | 8268 | |
be0b1fac | 8269 | XPutPixel (ximg, x, y, g ? fg : bg); |
333b20bb GM |
8270 | } |
8271 | } | |
8272 | else | |
8273 | { | |
8274 | for (y = 0; y < height; ++y) | |
8275 | for (x = 0; x < width; ++x) | |
8276 | { | |
8277 | int r, g, b; | |
8278 | ||
8279 | if (type == PBM_GRAY) | |
63cec32f | 8280 | r = g = b = raw_p ? *p++ : pbm_scan_number (&p, end); |
333b20bb GM |
8281 | else if (raw_p) |
8282 | { | |
63cec32f GM |
8283 | r = *p++; |
8284 | g = *p++; | |
8285 | b = *p++; | |
333b20bb GM |
8286 | } |
8287 | else | |
8288 | { | |
63cec32f GM |
8289 | r = pbm_scan_number (&p, end); |
8290 | g = pbm_scan_number (&p, end); | |
8291 | b = pbm_scan_number (&p, end); | |
333b20bb GM |
8292 | } |
8293 | ||
8294 | if (r < 0 || g < 0 || b < 0) | |
8295 | { | |
333b20bb GM |
8296 | xfree (ximg->data); |
8297 | ximg->data = NULL; | |
8298 | XDestroyImage (ximg); | |
45158a91 GM |
8299 | image_error ("Invalid pixel value in image `%s'", |
8300 | img->spec, Qnil); | |
63cec32f | 8301 | goto error; |
333b20bb GM |
8302 | } |
8303 | ||
8304 | /* RGB values are now in the range 0..max_color_idx. | |
8305 | Scale this to the range 0..0xffff supported by X. */ | |
8306 | r = (double) r * 65535 / max_color_idx; | |
8307 | g = (double) g * 65535 / max_color_idx; | |
8308 | b = (double) b * 65535 / max_color_idx; | |
8309 | XPutPixel (ximg, x, y, lookup_rgb_color (f, r, g, b)); | |
8310 | } | |
8311 | } | |
8312 | ||
333b20bb GM |
8313 | /* Store in IMG->colors the colors allocated for the image, and |
8314 | free the color table. */ | |
8315 | img->colors = colors_in_color_table (&img->ncolors); | |
8316 | free_color_table (); | |
8317 | ||
8318 | /* Put the image into a pixmap. */ | |
8319 | x_put_x_image (f, ximg, img->pixmap, width, height); | |
8320 | x_destroy_x_image (ximg); | |
333b20bb GM |
8321 | |
8322 | img->width = width; | |
8323 | img->height = height; | |
8324 | ||
8325 | UNGCPRO; | |
63cec32f | 8326 | xfree (contents); |
333b20bb GM |
8327 | return 1; |
8328 | } | |
8329 | ||
8330 | ||
8331 | \f | |
8332 | /*********************************************************************** | |
8333 | PNG | |
8334 | ***********************************************************************/ | |
8335 | ||
8336 | #if HAVE_PNG | |
8337 | ||
8338 | #include <png.h> | |
8339 | ||
8340 | /* Function prototypes. */ | |
8341 | ||
8342 | static int png_image_p P_ ((Lisp_Object object)); | |
8343 | static int png_load P_ ((struct frame *f, struct image *img)); | |
8344 | ||
8345 | /* The symbol `png' identifying images of this type. */ | |
8346 | ||
8347 | Lisp_Object Qpng; | |
8348 | ||
8349 | /* Indices of image specification fields in png_format, below. */ | |
8350 | ||
8351 | enum png_keyword_index | |
8352 | { | |
8353 | PNG_TYPE, | |
63448a4d | 8354 | PNG_DATA, |
333b20bb GM |
8355 | PNG_FILE, |
8356 | PNG_ASCENT, | |
8357 | PNG_MARGIN, | |
8358 | PNG_RELIEF, | |
8359 | PNG_ALGORITHM, | |
8360 | PNG_HEURISTIC_MASK, | |
4a8e312c | 8361 | PNG_MASK, |
333b20bb GM |
8362 | PNG_LAST |
8363 | }; | |
8364 | ||
8365 | /* Vector of image_keyword structures describing the format | |
8366 | of valid user-defined image specifications. */ | |
8367 | ||
8368 | static struct image_keyword png_format[PNG_LAST] = | |
8369 | { | |
8370 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
5ad6a5fb | 8371 | {":data", IMAGE_STRING_VALUE, 0}, |
63448a4d | 8372 | {":file", IMAGE_STRING_VALUE, 0}, |
7c7ff7f5 | 8373 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
333b20bb GM |
8374 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE, 0}, |
8375 | {":relief", IMAGE_INTEGER_VALUE, 0}, | |
8376 | {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, | |
4a8e312c GM |
8377 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
8378 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0} | |
333b20bb GM |
8379 | }; |
8380 | ||
06482119 | 8381 | /* Structure describing the image type `png'. */ |
333b20bb GM |
8382 | |
8383 | static struct image_type png_type = | |
8384 | { | |
8385 | &Qpng, | |
8386 | png_image_p, | |
8387 | png_load, | |
8388 | x_clear_image, | |
8389 | NULL | |
8390 | }; | |
8391 | ||
8392 | ||
8393 | /* Return non-zero if OBJECT is a valid PNG image specification. */ | |
8394 | ||
8395 | static int | |
8396 | png_image_p (object) | |
8397 | Lisp_Object object; | |
8398 | { | |
8399 | struct image_keyword fmt[PNG_LAST]; | |
8400 | bcopy (png_format, fmt, sizeof fmt); | |
8401 | ||
7c7ff7f5 | 8402 | if (!parse_image_spec (object, fmt, PNG_LAST, Qpng)) |
333b20bb | 8403 | return 0; |
63448a4d | 8404 | |
63cec32f GM |
8405 | /* Must specify either the :data or :file keyword. */ |
8406 | return fmt[PNG_FILE].count + fmt[PNG_DATA].count == 1; | |
333b20bb GM |
8407 | } |
8408 | ||
8409 | ||
8410 | /* Error and warning handlers installed when the PNG library | |
8411 | is initialized. */ | |
8412 | ||
8413 | static void | |
8414 | my_png_error (png_ptr, msg) | |
8415 | png_struct *png_ptr; | |
8416 | char *msg; | |
8417 | { | |
8418 | xassert (png_ptr != NULL); | |
8419 | image_error ("PNG error: %s", build_string (msg), Qnil); | |
8420 | longjmp (png_ptr->jmpbuf, 1); | |
8421 | } | |
8422 | ||
8423 | ||
8424 | static void | |
8425 | my_png_warning (png_ptr, msg) | |
8426 | png_struct *png_ptr; | |
8427 | char *msg; | |
8428 | { | |
8429 | xassert (png_ptr != NULL); | |
8430 | image_error ("PNG warning: %s", build_string (msg), Qnil); | |
8431 | } | |
8432 | ||
5ad6a5fb GM |
8433 | /* Memory source for PNG decoding. */ |
8434 | ||
63448a4d WP |
8435 | struct png_memory_storage |
8436 | { | |
5ad6a5fb GM |
8437 | unsigned char *bytes; /* The data */ |
8438 | size_t len; /* How big is it? */ | |
8439 | int index; /* Where are we? */ | |
63448a4d WP |
8440 | }; |
8441 | ||
5ad6a5fb GM |
8442 | |
8443 | /* Function set as reader function when reading PNG image from memory. | |
8444 | PNG_PTR is a pointer to the PNG control structure. Copy LENGTH | |
8445 | bytes from the input to DATA. */ | |
8446 | ||
63448a4d | 8447 | static void |
5ad6a5fb GM |
8448 | png_read_from_memory (png_ptr, data, length) |
8449 | png_structp png_ptr; | |
8450 | png_bytep data; | |
8451 | png_size_t length; | |
63448a4d | 8452 | { |
5ad6a5fb GM |
8453 | struct png_memory_storage *tbr |
8454 | = (struct png_memory_storage *) png_get_io_ptr (png_ptr); | |
63448a4d | 8455 | |
5ad6a5fb GM |
8456 | if (length > tbr->len - tbr->index) |
8457 | png_error (png_ptr, "Read error"); | |
8458 | ||
8459 | bcopy (tbr->bytes + tbr->index, data, length); | |
8460 | tbr->index = tbr->index + length; | |
63448a4d | 8461 | } |
333b20bb GM |
8462 | |
8463 | /* Load PNG image IMG for use on frame F. Value is non-zero if | |
8464 | successful. */ | |
8465 | ||
8466 | static int | |
8467 | png_load (f, img) | |
8468 | struct frame *f; | |
8469 | struct image *img; | |
8470 | { | |
8471 | Lisp_Object file, specified_file; | |
63448a4d | 8472 | Lisp_Object specified_data; |
b6d7acec | 8473 | int x, y, i; |
333b20bb GM |
8474 | XImage *ximg, *mask_img = NULL; |
8475 | struct gcpro gcpro1; | |
8476 | png_struct *png_ptr = NULL; | |
8477 | png_info *info_ptr = NULL, *end_info = NULL; | |
8ec8a5ec | 8478 | FILE *volatile fp = NULL; |
333b20bb | 8479 | png_byte sig[8]; |
8ec8a5ec GM |
8480 | png_byte * volatile pixels = NULL; |
8481 | png_byte ** volatile rows = NULL; | |
333b20bb GM |
8482 | png_uint_32 width, height; |
8483 | int bit_depth, color_type, interlace_type; | |
8484 | png_byte channels; | |
8485 | png_uint_32 row_bytes; | |
8486 | int transparent_p; | |
8487 | char *gamma_str; | |
8488 | double screen_gamma, image_gamma; | |
8489 | int intent; | |
63448a4d | 8490 | struct png_memory_storage tbr; /* Data to be read */ |
333b20bb GM |
8491 | |
8492 | /* Find out what file to load. */ | |
8493 | specified_file = image_spec_value (img->spec, QCfile, NULL); | |
63448a4d | 8494 | specified_data = image_spec_value (img->spec, QCdata, NULL); |
5ad6a5fb GM |
8495 | file = Qnil; |
8496 | GCPRO1 (file); | |
333b20bb | 8497 | |
63448a4d | 8498 | if (NILP (specified_data)) |
5ad6a5fb GM |
8499 | { |
8500 | file = x_find_image_file (specified_file); | |
8501 | if (!STRINGP (file)) | |
63448a4d | 8502 | { |
45158a91 | 8503 | image_error ("Cannot find image file `%s'", specified_file, Qnil); |
5ad6a5fb GM |
8504 | UNGCPRO; |
8505 | return 0; | |
8506 | } | |
333b20bb | 8507 | |
5ad6a5fb GM |
8508 | /* Open the image file. */ |
8509 | fp = fopen (XSTRING (file)->data, "rb"); | |
8510 | if (!fp) | |
8511 | { | |
45158a91 | 8512 | image_error ("Cannot open image file `%s'", file, Qnil); |
5ad6a5fb GM |
8513 | UNGCPRO; |
8514 | fclose (fp); | |
8515 | return 0; | |
8516 | } | |
63448a4d | 8517 | |
5ad6a5fb GM |
8518 | /* Check PNG signature. */ |
8519 | if (fread (sig, 1, sizeof sig, fp) != sizeof sig | |
8520 | || !png_check_sig (sig, sizeof sig)) | |
8521 | { | |
45158a91 | 8522 | image_error ("Not a PNG file: `%s'", file, Qnil); |
5ad6a5fb GM |
8523 | UNGCPRO; |
8524 | fclose (fp); | |
8525 | return 0; | |
63448a4d | 8526 | } |
5ad6a5fb | 8527 | } |
63448a4d | 8528 | else |
5ad6a5fb GM |
8529 | { |
8530 | /* Read from memory. */ | |
8531 | tbr.bytes = XSTRING (specified_data)->data; | |
8532 | tbr.len = STRING_BYTES (XSTRING (specified_data)); | |
8533 | tbr.index = 0; | |
63448a4d | 8534 | |
5ad6a5fb GM |
8535 | /* Check PNG signature. */ |
8536 | if (tbr.len < sizeof sig | |
8537 | || !png_check_sig (tbr.bytes, sizeof sig)) | |
8538 | { | |
45158a91 | 8539 | image_error ("Not a PNG image: `%s'", img->spec, Qnil); |
5ad6a5fb GM |
8540 | UNGCPRO; |
8541 | return 0; | |
63448a4d | 8542 | } |
333b20bb | 8543 | |
5ad6a5fb GM |
8544 | /* Need to skip past the signature. */ |
8545 | tbr.bytes += sizeof (sig); | |
8546 | } | |
8547 | ||
333b20bb GM |
8548 | /* Initialize read and info structs for PNG lib. */ |
8549 | png_ptr = png_create_read_struct (PNG_LIBPNG_VER_STRING, NULL, | |
8550 | my_png_error, my_png_warning); | |
8551 | if (!png_ptr) | |
8552 | { | |
63448a4d | 8553 | if (fp) fclose (fp); |
333b20bb GM |
8554 | UNGCPRO; |
8555 | return 0; | |
8556 | } | |
8557 | ||
8558 | info_ptr = png_create_info_struct (png_ptr); | |
8559 | if (!info_ptr) | |
8560 | { | |
8561 | png_destroy_read_struct (&png_ptr, NULL, NULL); | |
63448a4d | 8562 | if (fp) fclose (fp); |
333b20bb GM |
8563 | UNGCPRO; |
8564 | return 0; | |
8565 | } | |
8566 | ||
8567 | end_info = png_create_info_struct (png_ptr); | |
8568 | if (!end_info) | |
8569 | { | |
8570 | png_destroy_read_struct (&png_ptr, &info_ptr, NULL); | |
63448a4d | 8571 | if (fp) fclose (fp); |
333b20bb GM |
8572 | UNGCPRO; |
8573 | return 0; | |
8574 | } | |
8575 | ||
8576 | /* Set error jump-back. We come back here when the PNG library | |
8577 | detects an error. */ | |
8578 | if (setjmp (png_ptr->jmpbuf)) | |
8579 | { | |
8580 | error: | |
8581 | if (png_ptr) | |
8582 | png_destroy_read_struct (&png_ptr, &info_ptr, &end_info); | |
8583 | xfree (pixels); | |
8584 | xfree (rows); | |
63448a4d | 8585 | if (fp) fclose (fp); |
333b20bb GM |
8586 | UNGCPRO; |
8587 | return 0; | |
8588 | } | |
8589 | ||
8590 | /* Read image info. */ | |
63448a4d | 8591 | if (!NILP (specified_data)) |
5ad6a5fb | 8592 | png_set_read_fn (png_ptr, (void *) &tbr, png_read_from_memory); |
63448a4d | 8593 | else |
5ad6a5fb | 8594 | png_init_io (png_ptr, fp); |
63448a4d | 8595 | |
333b20bb GM |
8596 | png_set_sig_bytes (png_ptr, sizeof sig); |
8597 | png_read_info (png_ptr, info_ptr); | |
8598 | png_get_IHDR (png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, | |
8599 | &interlace_type, NULL, NULL); | |
8600 | ||
8601 | /* If image contains simply transparency data, we prefer to | |
8602 | construct a clipping mask. */ | |
8603 | if (png_get_valid (png_ptr, info_ptr, PNG_INFO_tRNS)) | |
8604 | transparent_p = 1; | |
8605 | else | |
8606 | transparent_p = 0; | |
8607 | ||
8608 | /* This function is easier to write if we only have to handle | |
8609 | one data format: RGB or RGBA with 8 bits per channel. Let's | |
8610 | transform other formats into that format. */ | |
8611 | ||
8612 | /* Strip more than 8 bits per channel. */ | |
8613 | if (bit_depth == 16) | |
8614 | png_set_strip_16 (png_ptr); | |
8615 | ||
8616 | /* Expand data to 24 bit RGB, or 8 bit grayscale, with alpha channel | |
8617 | if available. */ | |
8618 | png_set_expand (png_ptr); | |
8619 | ||
8620 | /* Convert grayscale images to RGB. */ | |
8621 | if (color_type == PNG_COLOR_TYPE_GRAY | |
8622 | || color_type == PNG_COLOR_TYPE_GRAY_ALPHA) | |
8623 | png_set_gray_to_rgb (png_ptr); | |
8624 | ||
8625 | /* The value 2.2 is a guess for PC monitors from PNG example.c. */ | |
8626 | gamma_str = getenv ("SCREEN_GAMMA"); | |
8627 | screen_gamma = gamma_str ? atof (gamma_str) : 2.2; | |
8628 | ||
8629 | /* Tell the PNG lib to handle gamma correction for us. */ | |
8630 | ||
6c1aa34d | 8631 | #if defined(PNG_READ_sRGB_SUPPORTED) || defined(PNG_WRITE_sRGB_SUPPORTED) |
333b20bb GM |
8632 | if (png_get_sRGB (png_ptr, info_ptr, &intent)) |
8633 | /* There is a special chunk in the image specifying the gamma. */ | |
8634 | png_set_sRGB (png_ptr, info_ptr, intent); | |
6c1aa34d GM |
8635 | else |
8636 | #endif | |
8637 | if (png_get_gAMA (png_ptr, info_ptr, &image_gamma)) | |
333b20bb GM |
8638 | /* Image contains gamma information. */ |
8639 | png_set_gamma (png_ptr, screen_gamma, image_gamma); | |
8640 | else | |
8641 | /* Use a default of 0.5 for the image gamma. */ | |
8642 | png_set_gamma (png_ptr, screen_gamma, 0.5); | |
8643 | ||
8644 | /* Handle alpha channel by combining the image with a background | |
8645 | color. Do this only if a real alpha channel is supplied. For | |
8646 | simple transparency, we prefer a clipping mask. */ | |
8647 | if (!transparent_p) | |
8648 | { | |
8649 | png_color_16 *image_background; | |
8650 | ||
8651 | if (png_get_bKGD (png_ptr, info_ptr, &image_background)) | |
8652 | /* Image contains a background color with which to | |
8653 | combine the image. */ | |
8654 | png_set_background (png_ptr, image_background, | |
8655 | PNG_BACKGROUND_GAMMA_FILE, 1, 1.0); | |
8656 | else | |
8657 | { | |
8658 | /* Image does not contain a background color with which | |
8659 | to combine the image data via an alpha channel. Use | |
8660 | the frame's background instead. */ | |
8661 | XColor color; | |
8662 | Colormap cmap; | |
8663 | png_color_16 frame_background; | |
8664 | ||
9b2956e2 | 8665 | cmap = FRAME_X_COLORMAP (f); |
333b20bb | 8666 | color.pixel = FRAME_BACKGROUND_PIXEL (f); |
a31fedb7 | 8667 | x_query_color (f, &color); |
333b20bb GM |
8668 | |
8669 | bzero (&frame_background, sizeof frame_background); | |
8670 | frame_background.red = color.red; | |
8671 | frame_background.green = color.green; | |
8672 | frame_background.blue = color.blue; | |
8673 | ||
8674 | png_set_background (png_ptr, &frame_background, | |
8675 | PNG_BACKGROUND_GAMMA_SCREEN, 0, 1.0); | |
8676 | } | |
8677 | } | |
8678 | ||
8679 | /* Update info structure. */ | |
8680 | png_read_update_info (png_ptr, info_ptr); | |
8681 | ||
8682 | /* Get number of channels. Valid values are 1 for grayscale images | |
8683 | and images with a palette, 2 for grayscale images with transparency | |
8684 | information (alpha channel), 3 for RGB images, and 4 for RGB | |
8685 | images with alpha channel, i.e. RGBA. If conversions above were | |
8686 | sufficient we should only have 3 or 4 channels here. */ | |
8687 | channels = png_get_channels (png_ptr, info_ptr); | |
8688 | xassert (channels == 3 || channels == 4); | |
8689 | ||
8690 | /* Number of bytes needed for one row of the image. */ | |
8691 | row_bytes = png_get_rowbytes (png_ptr, info_ptr); | |
8692 | ||
8693 | /* Allocate memory for the image. */ | |
8694 | pixels = (png_byte *) xmalloc (row_bytes * height * sizeof *pixels); | |
8695 | rows = (png_byte **) xmalloc (height * sizeof *rows); | |
8696 | for (i = 0; i < height; ++i) | |
8697 | rows[i] = pixels + i * row_bytes; | |
8698 | ||
8699 | /* Read the entire image. */ | |
8700 | png_read_image (png_ptr, rows); | |
8701 | png_read_end (png_ptr, info_ptr); | |
5ad6a5fb GM |
8702 | if (fp) |
8703 | { | |
8704 | fclose (fp); | |
8705 | fp = NULL; | |
8706 | } | |
333b20bb | 8707 | |
333b20bb | 8708 | /* Create the X image and pixmap. */ |
45158a91 | 8709 | if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, |
333b20bb | 8710 | &img->pixmap)) |
28c7826c | 8711 | goto error; |
333b20bb GM |
8712 | |
8713 | /* Create an image and pixmap serving as mask if the PNG image | |
8714 | contains an alpha channel. */ | |
8715 | if (channels == 4 | |
8716 | && !transparent_p | |
45158a91 | 8717 | && !x_create_x_image_and_pixmap (f, width, height, 1, |
333b20bb GM |
8718 | &mask_img, &img->mask)) |
8719 | { | |
8720 | x_destroy_x_image (ximg); | |
8721 | XFreePixmap (FRAME_X_DISPLAY (f), img->pixmap); | |
dd00328a | 8722 | img->pixmap = None; |
333b20bb GM |
8723 | goto error; |
8724 | } | |
8725 | ||
8726 | /* Fill the X image and mask from PNG data. */ | |
8727 | init_color_table (); | |
8728 | ||
8729 | for (y = 0; y < height; ++y) | |
8730 | { | |
8731 | png_byte *p = rows[y]; | |
8732 | ||
8733 | for (x = 0; x < width; ++x) | |
8734 | { | |
8735 | unsigned r, g, b; | |
8736 | ||
8737 | r = *p++ << 8; | |
8738 | g = *p++ << 8; | |
8739 | b = *p++ << 8; | |
8740 | XPutPixel (ximg, x, y, lookup_rgb_color (f, r, g, b)); | |
8741 | ||
8742 | /* An alpha channel, aka mask channel, associates variable | |
8743 | transparency with an image. Where other image formats | |
8744 | support binary transparency---fully transparent or fully | |
8745 | opaque---PNG allows up to 254 levels of partial transparency. | |
8746 | The PNG library implements partial transparency by combining | |
8747 | the image with a specified background color. | |
8748 | ||
8749 | I'm not sure how to handle this here nicely: because the | |
8750 | background on which the image is displayed may change, for | |
8751 | real alpha channel support, it would be necessary to create | |
8752 | a new image for each possible background. | |
8753 | ||
8754 | What I'm doing now is that a mask is created if we have | |
8755 | boolean transparency information. Otherwise I'm using | |
8756 | the frame's background color to combine the image with. */ | |
8757 | ||
8758 | if (channels == 4) | |
8759 | { | |
8760 | if (mask_img) | |
8761 | XPutPixel (mask_img, x, y, *p > 0); | |
8762 | ++p; | |
8763 | } | |
8764 | } | |
8765 | } | |
8766 | ||
8767 | /* Remember colors allocated for this image. */ | |
8768 | img->colors = colors_in_color_table (&img->ncolors); | |
8769 | free_color_table (); | |
8770 | ||
8771 | /* Clean up. */ | |
8772 | png_destroy_read_struct (&png_ptr, &info_ptr, &end_info); | |
8773 | xfree (rows); | |
8774 | xfree (pixels); | |
8775 | ||
8776 | img->width = width; | |
8777 | img->height = height; | |
8778 | ||
8779 | /* Put the image into the pixmap, then free the X image and its buffer. */ | |
8780 | x_put_x_image (f, ximg, img->pixmap, width, height); | |
8781 | x_destroy_x_image (ximg); | |
8782 | ||
8783 | /* Same for the mask. */ | |
8784 | if (mask_img) | |
8785 | { | |
8786 | x_put_x_image (f, mask_img, img->mask, img->width, img->height); | |
8787 | x_destroy_x_image (mask_img); | |
8788 | } | |
8789 | ||
333b20bb GM |
8790 | UNGCPRO; |
8791 | return 1; | |
8792 | } | |
8793 | ||
8794 | #endif /* HAVE_PNG != 0 */ | |
8795 | ||
8796 | ||
8797 | \f | |
8798 | /*********************************************************************** | |
8799 | JPEG | |
8800 | ***********************************************************************/ | |
8801 | ||
8802 | #if HAVE_JPEG | |
8803 | ||
ba06aba4 GM |
8804 | /* Work around a warning about HAVE_STDLIB_H being redefined in |
8805 | jconfig.h. */ | |
8806 | #ifdef HAVE_STDLIB_H | |
8807 | #define HAVE_STDLIB_H_1 | |
8808 | #undef HAVE_STDLIB_H | |
8809 | #endif /* HAVE_STLIB_H */ | |
8810 | ||
333b20bb GM |
8811 | #include <jpeglib.h> |
8812 | #include <jerror.h> | |
8813 | #include <setjmp.h> | |
8814 | ||
ba06aba4 GM |
8815 | #ifdef HAVE_STLIB_H_1 |
8816 | #define HAVE_STDLIB_H 1 | |
8817 | #endif | |
8818 | ||
333b20bb GM |
8819 | static int jpeg_image_p P_ ((Lisp_Object object)); |
8820 | static int jpeg_load P_ ((struct frame *f, struct image *img)); | |
8821 | ||
8822 | /* The symbol `jpeg' identifying images of this type. */ | |
8823 | ||
8824 | Lisp_Object Qjpeg; | |
8825 | ||
8826 | /* Indices of image specification fields in gs_format, below. */ | |
8827 | ||
8828 | enum jpeg_keyword_index | |
8829 | { | |
8830 | JPEG_TYPE, | |
8e39770a | 8831 | JPEG_DATA, |
333b20bb GM |
8832 | JPEG_FILE, |
8833 | JPEG_ASCENT, | |
8834 | JPEG_MARGIN, | |
8835 | JPEG_RELIEF, | |
8836 | JPEG_ALGORITHM, | |
8837 | JPEG_HEURISTIC_MASK, | |
4a8e312c | 8838 | JPEG_MASK, |
333b20bb GM |
8839 | JPEG_LAST |
8840 | }; | |
8841 | ||
8842 | /* Vector of image_keyword structures describing the format | |
8843 | of valid user-defined image specifications. */ | |
8844 | ||
8845 | static struct image_keyword jpeg_format[JPEG_LAST] = | |
8846 | { | |
8847 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
5ad6a5fb | 8848 | {":data", IMAGE_STRING_VALUE, 0}, |
8e39770a | 8849 | {":file", IMAGE_STRING_VALUE, 0}, |
7c7ff7f5 | 8850 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
333b20bb GM |
8851 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE, 0}, |
8852 | {":relief", IMAGE_INTEGER_VALUE, 0}, | |
8853 | {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, | |
4a8e312c GM |
8854 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
8855 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0} | |
333b20bb GM |
8856 | }; |
8857 | ||
8858 | /* Structure describing the image type `jpeg'. */ | |
8859 | ||
8860 | static struct image_type jpeg_type = | |
8861 | { | |
8862 | &Qjpeg, | |
8863 | jpeg_image_p, | |
8864 | jpeg_load, | |
8865 | x_clear_image, | |
8866 | NULL | |
8867 | }; | |
8868 | ||
8869 | ||
8870 | /* Return non-zero if OBJECT is a valid JPEG image specification. */ | |
8871 | ||
8872 | static int | |
8873 | jpeg_image_p (object) | |
8874 | Lisp_Object object; | |
8875 | { | |
8876 | struct image_keyword fmt[JPEG_LAST]; | |
8877 | ||
8878 | bcopy (jpeg_format, fmt, sizeof fmt); | |
8879 | ||
7c7ff7f5 | 8880 | if (!parse_image_spec (object, fmt, JPEG_LAST, Qjpeg)) |
333b20bb | 8881 | return 0; |
8e39770a | 8882 | |
63cec32f GM |
8883 | /* Must specify either the :data or :file keyword. */ |
8884 | return fmt[JPEG_FILE].count + fmt[JPEG_DATA].count == 1; | |
333b20bb GM |
8885 | } |
8886 | ||
8e39770a | 8887 | |
333b20bb GM |
8888 | struct my_jpeg_error_mgr |
8889 | { | |
8890 | struct jpeg_error_mgr pub; | |
8891 | jmp_buf setjmp_buffer; | |
8892 | }; | |
8893 | ||
e3130015 | 8894 | |
333b20bb GM |
8895 | static void |
8896 | my_error_exit (cinfo) | |
8897 | j_common_ptr cinfo; | |
8898 | { | |
8899 | struct my_jpeg_error_mgr *mgr = (struct my_jpeg_error_mgr *) cinfo->err; | |
8900 | longjmp (mgr->setjmp_buffer, 1); | |
8901 | } | |
8902 | ||
e3130015 | 8903 | |
8e39770a GM |
8904 | /* Init source method for JPEG data source manager. Called by |
8905 | jpeg_read_header() before any data is actually read. See | |
8906 | libjpeg.doc from the JPEG lib distribution. */ | |
8907 | ||
8908 | static void | |
8909 | our_init_source (cinfo) | |
8910 | j_decompress_ptr cinfo; | |
8911 | { | |
8912 | } | |
8913 | ||
8914 | ||
8915 | /* Fill input buffer method for JPEG data source manager. Called | |
8916 | whenever more data is needed. We read the whole image in one step, | |
8917 | so this only adds a fake end of input marker at the end. */ | |
8918 | ||
8919 | static boolean | |
8920 | our_fill_input_buffer (cinfo) | |
8921 | j_decompress_ptr cinfo; | |
8922 | { | |
8923 | /* Insert a fake EOI marker. */ | |
8924 | struct jpeg_source_mgr *src = cinfo->src; | |
8925 | static JOCTET buffer[2]; | |
8926 | ||
8927 | buffer[0] = (JOCTET) 0xFF; | |
8928 | buffer[1] = (JOCTET) JPEG_EOI; | |
8929 | ||
8930 | src->next_input_byte = buffer; | |
8931 | src->bytes_in_buffer = 2; | |
8932 | return TRUE; | |
8933 | } | |
8934 | ||
8935 | ||
8936 | /* Method to skip over NUM_BYTES bytes in the image data. CINFO->src | |
8937 | is the JPEG data source manager. */ | |
8938 | ||
8939 | static void | |
8940 | our_skip_input_data (cinfo, num_bytes) | |
8941 | j_decompress_ptr cinfo; | |
8942 | long num_bytes; | |
8943 | { | |
8944 | struct jpeg_source_mgr *src = (struct jpeg_source_mgr *) cinfo->src; | |
8945 | ||
8946 | if (src) | |
8947 | { | |
8948 | if (num_bytes > src->bytes_in_buffer) | |
5ad6a5fb | 8949 | ERREXIT (cinfo, JERR_INPUT_EOF); |
8e39770a GM |
8950 | |
8951 | src->bytes_in_buffer -= num_bytes; | |
8952 | src->next_input_byte += num_bytes; | |
8953 | } | |
8954 | } | |
8955 | ||
8956 | ||
8957 | /* Method to terminate data source. Called by | |
8958 | jpeg_finish_decompress() after all data has been processed. */ | |
8959 | ||
8960 | static void | |
8961 | our_term_source (cinfo) | |
8962 | j_decompress_ptr cinfo; | |
8963 | { | |
8964 | } | |
8965 | ||
8966 | ||
8967 | /* Set up the JPEG lib for reading an image from DATA which contains | |
8968 | LEN bytes. CINFO is the decompression info structure created for | |
8969 | reading the image. */ | |
8970 | ||
8971 | static void | |
8972 | jpeg_memory_src (cinfo, data, len) | |
8973 | j_decompress_ptr cinfo; | |
8974 | JOCTET *data; | |
8975 | unsigned int len; | |
8976 | { | |
8977 | struct jpeg_source_mgr *src; | |
8978 | ||
8979 | if (cinfo->src == NULL) | |
8980 | { | |
8981 | /* First time for this JPEG object? */ | |
8982 | cinfo->src = (struct jpeg_source_mgr *) | |
8983 | (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT, | |
8984 | sizeof (struct jpeg_source_mgr)); | |
8985 | src = (struct jpeg_source_mgr *) cinfo->src; | |
8986 | src->next_input_byte = data; | |
8987 | } | |
8988 | ||
8989 | src = (struct jpeg_source_mgr *) cinfo->src; | |
8990 | src->init_source = our_init_source; | |
8991 | src->fill_input_buffer = our_fill_input_buffer; | |
8992 | src->skip_input_data = our_skip_input_data; | |
8993 | src->resync_to_restart = jpeg_resync_to_restart; /* Use default method. */ | |
8994 | src->term_source = our_term_source; | |
8995 | src->bytes_in_buffer = len; | |
8996 | src->next_input_byte = data; | |
8997 | } | |
8998 | ||
5ad6a5fb | 8999 | |
333b20bb GM |
9000 | /* Load image IMG for use on frame F. Patterned after example.c |
9001 | from the JPEG lib. */ | |
9002 | ||
9003 | static int | |
9004 | jpeg_load (f, img) | |
9005 | struct frame *f; | |
9006 | struct image *img; | |
9007 | { | |
9008 | struct jpeg_decompress_struct cinfo; | |
9009 | struct my_jpeg_error_mgr mgr; | |
9010 | Lisp_Object file, specified_file; | |
8e39770a | 9011 | Lisp_Object specified_data; |
8ec8a5ec | 9012 | FILE * volatile fp = NULL; |
333b20bb GM |
9013 | JSAMPARRAY buffer; |
9014 | int row_stride, x, y; | |
9015 | XImage *ximg = NULL; | |
b6d7acec | 9016 | int rc; |
333b20bb GM |
9017 | unsigned long *colors; |
9018 | int width, height; | |
9019 | struct gcpro gcpro1; | |
9020 | ||
9021 | /* Open the JPEG file. */ | |
9022 | specified_file = image_spec_value (img->spec, QCfile, NULL); | |
8e39770a | 9023 | specified_data = image_spec_value (img->spec, QCdata, NULL); |
5ad6a5fb GM |
9024 | file = Qnil; |
9025 | GCPRO1 (file); | |
8e39770a | 9026 | |
8e39770a | 9027 | if (NILP (specified_data)) |
333b20bb | 9028 | { |
8e39770a | 9029 | file = x_find_image_file (specified_file); |
8e39770a GM |
9030 | if (!STRINGP (file)) |
9031 | { | |
45158a91 | 9032 | image_error ("Cannot find image file `%s'", specified_file, Qnil); |
8e39770a GM |
9033 | UNGCPRO; |
9034 | return 0; | |
9035 | } | |
333b20bb | 9036 | |
8e39770a GM |
9037 | fp = fopen (XSTRING (file)->data, "r"); |
9038 | if (fp == NULL) | |
9039 | { | |
9040 | image_error ("Cannot open `%s'", file, Qnil); | |
9041 | UNGCPRO; | |
9042 | return 0; | |
9043 | } | |
333b20bb GM |
9044 | } |
9045 | ||
5ad6a5fb GM |
9046 | /* Customize libjpeg's error handling to call my_error_exit when an |
9047 | error is detected. This function will perform a longjmp. */ | |
333b20bb | 9048 | cinfo.err = jpeg_std_error (&mgr.pub); |
14358466 | 9049 | mgr.pub.error_exit = my_error_exit; |
333b20bb GM |
9050 | |
9051 | if ((rc = setjmp (mgr.setjmp_buffer)) != 0) | |
9052 | { | |
5ad6a5fb GM |
9053 | if (rc == 1) |
9054 | { | |
9055 | /* Called from my_error_exit. Display a JPEG error. */ | |
9056 | char buffer[JMSG_LENGTH_MAX]; | |
9057 | cinfo.err->format_message ((j_common_ptr) &cinfo, buffer); | |
45158a91 | 9058 | image_error ("Error reading JPEG image `%s': %s", img->spec, |
5ad6a5fb GM |
9059 | build_string (buffer)); |
9060 | } | |
333b20bb GM |
9061 | |
9062 | /* Close the input file and destroy the JPEG object. */ | |
5ad6a5fb | 9063 | if (fp) |
8ec8a5ec | 9064 | fclose ((FILE *) fp); |
333b20bb GM |
9065 | jpeg_destroy_decompress (&cinfo); |
9066 | ||
5ad6a5fb GM |
9067 | /* If we already have an XImage, free that. */ |
9068 | x_destroy_x_image (ximg); | |
333b20bb | 9069 | |
5ad6a5fb GM |
9070 | /* Free pixmap and colors. */ |
9071 | x_clear_image (f, img); | |
333b20bb | 9072 | |
5ad6a5fb GM |
9073 | UNGCPRO; |
9074 | return 0; | |
333b20bb GM |
9075 | } |
9076 | ||
9077 | /* Create the JPEG decompression object. Let it read from fp. | |
63448a4d | 9078 | Read the JPEG image header. */ |
333b20bb | 9079 | jpeg_create_decompress (&cinfo); |
8e39770a GM |
9080 | |
9081 | if (NILP (specified_data)) | |
8ec8a5ec | 9082 | jpeg_stdio_src (&cinfo, (FILE *) fp); |
8e39770a GM |
9083 | else |
9084 | jpeg_memory_src (&cinfo, XSTRING (specified_data)->data, | |
9085 | STRING_BYTES (XSTRING (specified_data))); | |
63448a4d | 9086 | |
333b20bb GM |
9087 | jpeg_read_header (&cinfo, TRUE); |
9088 | ||
9089 | /* Customize decompression so that color quantization will be used. | |
63448a4d | 9090 | Start decompression. */ |
333b20bb GM |
9091 | cinfo.quantize_colors = TRUE; |
9092 | jpeg_start_decompress (&cinfo); | |
9093 | width = img->width = cinfo.output_width; | |
9094 | height = img->height = cinfo.output_height; | |
9095 | ||
333b20bb | 9096 | /* Create X image and pixmap. */ |
45158a91 | 9097 | if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap)) |
28c7826c | 9098 | longjmp (mgr.setjmp_buffer, 2); |
333b20bb GM |
9099 | |
9100 | /* Allocate colors. When color quantization is used, | |
5ad6a5fb GM |
9101 | cinfo.actual_number_of_colors has been set with the number of |
9102 | colors generated, and cinfo.colormap is a two-dimensional array | |
9103 | of color indices in the range 0..cinfo.actual_number_of_colors. | |
9104 | No more than 255 colors will be generated. */ | |
333b20bb | 9105 | { |
5ad6a5fb GM |
9106 | int i, ir, ig, ib; |
9107 | ||
9108 | if (cinfo.out_color_components > 2) | |
9109 | ir = 0, ig = 1, ib = 2; | |
9110 | else if (cinfo.out_color_components > 1) | |
9111 | ir = 0, ig = 1, ib = 0; | |
9112 | else | |
9113 | ir = 0, ig = 0, ib = 0; | |
9114 | ||
9115 | /* Use the color table mechanism because it handles colors that | |
9116 | cannot be allocated nicely. Such colors will be replaced with | |
9117 | a default color, and we don't have to care about which colors | |
9118 | can be freed safely, and which can't. */ | |
9119 | init_color_table (); | |
9120 | colors = (unsigned long *) alloca (cinfo.actual_number_of_colors | |
9121 | * sizeof *colors); | |
333b20bb | 9122 | |
5ad6a5fb GM |
9123 | for (i = 0; i < cinfo.actual_number_of_colors; ++i) |
9124 | { | |
9125 | /* Multiply RGB values with 255 because X expects RGB values | |
9126 | in the range 0..0xffff. */ | |
9127 | int r = cinfo.colormap[ir][i] << 8; | |
9128 | int g = cinfo.colormap[ig][i] << 8; | |
9129 | int b = cinfo.colormap[ib][i] << 8; | |
9130 | colors[i] = lookup_rgb_color (f, r, g, b); | |
9131 | } | |
333b20bb | 9132 | |
5ad6a5fb GM |
9133 | /* Remember those colors actually allocated. */ |
9134 | img->colors = colors_in_color_table (&img->ncolors); | |
9135 | free_color_table (); | |
333b20bb GM |
9136 | } |
9137 | ||
9138 | /* Read pixels. */ | |
9139 | row_stride = width * cinfo.output_components; | |
9140 | buffer = cinfo.mem->alloc_sarray ((j_common_ptr) &cinfo, JPOOL_IMAGE, | |
5ad6a5fb | 9141 | row_stride, 1); |
333b20bb GM |
9142 | for (y = 0; y < height; ++y) |
9143 | { | |
5ad6a5fb GM |
9144 | jpeg_read_scanlines (&cinfo, buffer, 1); |
9145 | for (x = 0; x < cinfo.output_width; ++x) | |
9146 | XPutPixel (ximg, x, y, colors[buffer[0][x]]); | |
333b20bb GM |
9147 | } |
9148 | ||
9149 | /* Clean up. */ | |
9150 | jpeg_finish_decompress (&cinfo); | |
9151 | jpeg_destroy_decompress (&cinfo); | |
5ad6a5fb | 9152 | if (fp) |
8ec8a5ec | 9153 | fclose ((FILE *) fp); |
333b20bb GM |
9154 | |
9155 | /* Put the image into the pixmap. */ | |
9156 | x_put_x_image (f, ximg, img->pixmap, width, height); | |
9157 | x_destroy_x_image (ximg); | |
333b20bb GM |
9158 | UNGCPRO; |
9159 | return 1; | |
9160 | } | |
9161 | ||
9162 | #endif /* HAVE_JPEG */ | |
9163 | ||
9164 | ||
9165 | \f | |
9166 | /*********************************************************************** | |
9167 | TIFF | |
9168 | ***********************************************************************/ | |
9169 | ||
9170 | #if HAVE_TIFF | |
9171 | ||
cf4790ad | 9172 | #include <tiffio.h> |
333b20bb GM |
9173 | |
9174 | static int tiff_image_p P_ ((Lisp_Object object)); | |
9175 | static int tiff_load P_ ((struct frame *f, struct image *img)); | |
9176 | ||
9177 | /* The symbol `tiff' identifying images of this type. */ | |
9178 | ||
9179 | Lisp_Object Qtiff; | |
9180 | ||
9181 | /* Indices of image specification fields in tiff_format, below. */ | |
9182 | ||
9183 | enum tiff_keyword_index | |
9184 | { | |
9185 | TIFF_TYPE, | |
63448a4d | 9186 | TIFF_DATA, |
333b20bb GM |
9187 | TIFF_FILE, |
9188 | TIFF_ASCENT, | |
9189 | TIFF_MARGIN, | |
9190 | TIFF_RELIEF, | |
9191 | TIFF_ALGORITHM, | |
9192 | TIFF_HEURISTIC_MASK, | |
4a8e312c | 9193 | TIFF_MASK, |
333b20bb GM |
9194 | TIFF_LAST |
9195 | }; | |
9196 | ||
9197 | /* Vector of image_keyword structures describing the format | |
9198 | of valid user-defined image specifications. */ | |
9199 | ||
9200 | static struct image_keyword tiff_format[TIFF_LAST] = | |
9201 | { | |
9202 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
5ad6a5fb | 9203 | {":data", IMAGE_STRING_VALUE, 0}, |
63448a4d | 9204 | {":file", IMAGE_STRING_VALUE, 0}, |
7c7ff7f5 | 9205 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
333b20bb GM |
9206 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE, 0}, |
9207 | {":relief", IMAGE_INTEGER_VALUE, 0}, | |
9208 | {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, | |
4a8e312c GM |
9209 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
9210 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0} | |
333b20bb GM |
9211 | }; |
9212 | ||
9213 | /* Structure describing the image type `tiff'. */ | |
9214 | ||
9215 | static struct image_type tiff_type = | |
9216 | { | |
9217 | &Qtiff, | |
9218 | tiff_image_p, | |
9219 | tiff_load, | |
9220 | x_clear_image, | |
9221 | NULL | |
9222 | }; | |
9223 | ||
9224 | ||
9225 | /* Return non-zero if OBJECT is a valid TIFF image specification. */ | |
9226 | ||
9227 | static int | |
9228 | tiff_image_p (object) | |
9229 | Lisp_Object object; | |
9230 | { | |
9231 | struct image_keyword fmt[TIFF_LAST]; | |
9232 | bcopy (tiff_format, fmt, sizeof fmt); | |
9233 | ||
7c7ff7f5 | 9234 | if (!parse_image_spec (object, fmt, TIFF_LAST, Qtiff)) |
333b20bb | 9235 | return 0; |
5ad6a5fb | 9236 | |
63cec32f GM |
9237 | /* Must specify either the :data or :file keyword. */ |
9238 | return fmt[TIFF_FILE].count + fmt[TIFF_DATA].count == 1; | |
333b20bb GM |
9239 | } |
9240 | ||
5ad6a5fb GM |
9241 | |
9242 | /* Reading from a memory buffer for TIFF images Based on the PNG | |
9243 | memory source, but we have to provide a lot of extra functions. | |
9244 | Blah. | |
63448a4d WP |
9245 | |
9246 | We really only need to implement read and seek, but I am not | |
9247 | convinced that the TIFF library is smart enough not to destroy | |
9248 | itself if we only hand it the function pointers we need to | |
5ad6a5fb GM |
9249 | override. */ |
9250 | ||
9251 | typedef struct | |
9252 | { | |
63448a4d WP |
9253 | unsigned char *bytes; |
9254 | size_t len; | |
9255 | int index; | |
5ad6a5fb GM |
9256 | } |
9257 | tiff_memory_source; | |
63448a4d | 9258 | |
e3130015 | 9259 | |
5ad6a5fb GM |
9260 | static size_t |
9261 | tiff_read_from_memory (data, buf, size) | |
9262 | thandle_t data; | |
9263 | tdata_t buf; | |
9264 | tsize_t size; | |
63448a4d | 9265 | { |
5ad6a5fb | 9266 | tiff_memory_source *src = (tiff_memory_source *) data; |
63448a4d WP |
9267 | |
9268 | if (size > src->len - src->index) | |
5ad6a5fb GM |
9269 | return (size_t) -1; |
9270 | bcopy (src->bytes + src->index, buf, size); | |
63448a4d WP |
9271 | src->index += size; |
9272 | return size; | |
9273 | } | |
9274 | ||
e3130015 | 9275 | |
5ad6a5fb GM |
9276 | static size_t |
9277 | tiff_write_from_memory (data, buf, size) | |
9278 | thandle_t data; | |
9279 | tdata_t buf; | |
9280 | tsize_t size; | |
63448a4d WP |
9281 | { |
9282 | return (size_t) -1; | |
9283 | } | |
9284 | ||
e3130015 | 9285 | |
5ad6a5fb GM |
9286 | static toff_t |
9287 | tiff_seek_in_memory (data, off, whence) | |
9288 | thandle_t data; | |
9289 | toff_t off; | |
9290 | int whence; | |
63448a4d | 9291 | { |
5ad6a5fb | 9292 | tiff_memory_source *src = (tiff_memory_source *) data; |
63448a4d WP |
9293 | int idx; |
9294 | ||
9295 | switch (whence) | |
5ad6a5fb GM |
9296 | { |
9297 | case SEEK_SET: /* Go from beginning of source. */ | |
9298 | idx = off; | |
9299 | break; | |
9300 | ||
9301 | case SEEK_END: /* Go from end of source. */ | |
9302 | idx = src->len + off; | |
9303 | break; | |
9304 | ||
9305 | case SEEK_CUR: /* Go from current position. */ | |
9306 | idx = src->index + off; | |
9307 | break; | |
9308 | ||
9309 | default: /* Invalid `whence'. */ | |
9310 | return -1; | |
9311 | } | |
9312 | ||
9313 | if (idx > src->len || idx < 0) | |
9314 | return -1; | |
9315 | ||
63448a4d WP |
9316 | src->index = idx; |
9317 | return src->index; | |
9318 | } | |
9319 | ||
e3130015 | 9320 | |
5ad6a5fb GM |
9321 | static int |
9322 | tiff_close_memory (data) | |
9323 | thandle_t data; | |
63448a4d WP |
9324 | { |
9325 | /* NOOP */ | |
5ad6a5fb | 9326 | return 0; |
63448a4d WP |
9327 | } |
9328 | ||
e3130015 | 9329 | |
5ad6a5fb GM |
9330 | static int |
9331 | tiff_mmap_memory (data, pbase, psize) | |
9332 | thandle_t data; | |
9333 | tdata_t *pbase; | |
9334 | toff_t *psize; | |
63448a4d WP |
9335 | { |
9336 | /* It is already _IN_ memory. */ | |
5ad6a5fb | 9337 | return 0; |
63448a4d WP |
9338 | } |
9339 | ||
e3130015 | 9340 | |
5ad6a5fb GM |
9341 | static void |
9342 | tiff_unmap_memory (data, base, size) | |
9343 | thandle_t data; | |
9344 | tdata_t base; | |
9345 | toff_t size; | |
63448a4d WP |
9346 | { |
9347 | /* We don't need to do this. */ | |
63448a4d WP |
9348 | } |
9349 | ||
e3130015 | 9350 | |
5ad6a5fb GM |
9351 | static toff_t |
9352 | tiff_size_of_memory (data) | |
9353 | thandle_t data; | |
63448a4d | 9354 | { |
5ad6a5fb | 9355 | return ((tiff_memory_source *) data)->len; |
63448a4d | 9356 | } |
333b20bb | 9357 | |
e3130015 | 9358 | |
333b20bb GM |
9359 | /* Load TIFF image IMG for use on frame F. Value is non-zero if |
9360 | successful. */ | |
9361 | ||
9362 | static int | |
9363 | tiff_load (f, img) | |
9364 | struct frame *f; | |
9365 | struct image *img; | |
9366 | { | |
9367 | Lisp_Object file, specified_file; | |
63448a4d | 9368 | Lisp_Object specified_data; |
333b20bb GM |
9369 | TIFF *tiff; |
9370 | int width, height, x, y; | |
9371 | uint32 *buf; | |
9372 | int rc; | |
9373 | XImage *ximg; | |
9374 | struct gcpro gcpro1; | |
63448a4d | 9375 | tiff_memory_source memsrc; |
333b20bb GM |
9376 | |
9377 | specified_file = image_spec_value (img->spec, QCfile, NULL); | |
63448a4d | 9378 | specified_data = image_spec_value (img->spec, QCdata, NULL); |
5ad6a5fb GM |
9379 | file = Qnil; |
9380 | GCPRO1 (file); | |
63448a4d WP |
9381 | |
9382 | if (NILP (specified_data)) | |
5ad6a5fb GM |
9383 | { |
9384 | /* Read from a file */ | |
9385 | file = x_find_image_file (specified_file); | |
9386 | if (!STRINGP (file)) | |
63448a4d | 9387 | { |
45158a91 | 9388 | image_error ("Cannot find image file `%s'", file, Qnil); |
5ad6a5fb GM |
9389 | UNGCPRO; |
9390 | return 0; | |
9391 | } | |
63448a4d | 9392 | |
5ad6a5fb GM |
9393 | /* Try to open the image file. */ |
9394 | tiff = TIFFOpen (XSTRING (file)->data, "r"); | |
9395 | if (tiff == NULL) | |
9396 | { | |
9397 | image_error ("Cannot open `%s'", file, Qnil); | |
9398 | UNGCPRO; | |
9399 | return 0; | |
63448a4d | 9400 | } |
5ad6a5fb | 9401 | } |
63448a4d | 9402 | else |
5ad6a5fb GM |
9403 | { |
9404 | /* Memory source! */ | |
9405 | memsrc.bytes = XSTRING (specified_data)->data; | |
9406 | memsrc.len = STRING_BYTES (XSTRING (specified_data)); | |
9407 | memsrc.index = 0; | |
9408 | ||
9409 | tiff = TIFFClientOpen ("memory_source", "r", &memsrc, | |
9410 | (TIFFReadWriteProc) tiff_read_from_memory, | |
9411 | (TIFFReadWriteProc) tiff_write_from_memory, | |
9412 | tiff_seek_in_memory, | |
9413 | tiff_close_memory, | |
9414 | tiff_size_of_memory, | |
9415 | tiff_mmap_memory, | |
9416 | tiff_unmap_memory); | |
9417 | ||
9418 | if (!tiff) | |
63448a4d | 9419 | { |
45158a91 | 9420 | image_error ("Cannot open memory source for `%s'", img->spec, Qnil); |
5ad6a5fb GM |
9421 | UNGCPRO; |
9422 | return 0; | |
63448a4d | 9423 | } |
5ad6a5fb | 9424 | } |
333b20bb GM |
9425 | |
9426 | /* Get width and height of the image, and allocate a raster buffer | |
9427 | of width x height 32-bit values. */ | |
9428 | TIFFGetField (tiff, TIFFTAG_IMAGEWIDTH, &width); | |
9429 | TIFFGetField (tiff, TIFFTAG_IMAGELENGTH, &height); | |
9430 | buf = (uint32 *) xmalloc (width * height * sizeof *buf); | |
9431 | ||
9432 | rc = TIFFReadRGBAImage (tiff, width, height, buf, 0); | |
9433 | TIFFClose (tiff); | |
9434 | if (!rc) | |
9435 | { | |
45158a91 | 9436 | image_error ("Error reading TIFF image `%s'", img->spec, Qnil); |
333b20bb GM |
9437 | xfree (buf); |
9438 | UNGCPRO; | |
9439 | return 0; | |
9440 | } | |
9441 | ||
333b20bb | 9442 | /* Create the X image and pixmap. */ |
45158a91 | 9443 | if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap)) |
333b20bb | 9444 | { |
333b20bb GM |
9445 | xfree (buf); |
9446 | UNGCPRO; | |
9447 | return 0; | |
9448 | } | |
9449 | ||
9450 | /* Initialize the color table. */ | |
9451 | init_color_table (); | |
9452 | ||
9453 | /* Process the pixel raster. Origin is in the lower-left corner. */ | |
9454 | for (y = 0; y < height; ++y) | |
9455 | { | |
9456 | uint32 *row = buf + y * width; | |
9457 | ||
9458 | for (x = 0; x < width; ++x) | |
9459 | { | |
9460 | uint32 abgr = row[x]; | |
9461 | int r = TIFFGetR (abgr) << 8; | |
9462 | int g = TIFFGetG (abgr) << 8; | |
9463 | int b = TIFFGetB (abgr) << 8; | |
9464 | XPutPixel (ximg, x, height - 1 - y, lookup_rgb_color (f, r, g, b)); | |
9465 | } | |
9466 | } | |
9467 | ||
9468 | /* Remember the colors allocated for the image. Free the color table. */ | |
9469 | img->colors = colors_in_color_table (&img->ncolors); | |
9470 | free_color_table (); | |
9471 | ||
9472 | /* Put the image into the pixmap, then free the X image and its buffer. */ | |
9473 | x_put_x_image (f, ximg, img->pixmap, width, height); | |
9474 | x_destroy_x_image (ximg); | |
9475 | xfree (buf); | |
333b20bb GM |
9476 | |
9477 | img->width = width; | |
9478 | img->height = height; | |
9479 | ||
9480 | UNGCPRO; | |
9481 | return 1; | |
9482 | } | |
9483 | ||
9484 | #endif /* HAVE_TIFF != 0 */ | |
9485 | ||
9486 | ||
9487 | \f | |
9488 | /*********************************************************************** | |
9489 | GIF | |
9490 | ***********************************************************************/ | |
9491 | ||
9492 | #if HAVE_GIF | |
9493 | ||
9494 | #include <gif_lib.h> | |
9495 | ||
9496 | static int gif_image_p P_ ((Lisp_Object object)); | |
9497 | static int gif_load P_ ((struct frame *f, struct image *img)); | |
9498 | ||
9499 | /* The symbol `gif' identifying images of this type. */ | |
9500 | ||
9501 | Lisp_Object Qgif; | |
9502 | ||
9503 | /* Indices of image specification fields in gif_format, below. */ | |
9504 | ||
9505 | enum gif_keyword_index | |
9506 | { | |
9507 | GIF_TYPE, | |
63448a4d | 9508 | GIF_DATA, |
333b20bb GM |
9509 | GIF_FILE, |
9510 | GIF_ASCENT, | |
9511 | GIF_MARGIN, | |
9512 | GIF_RELIEF, | |
9513 | GIF_ALGORITHM, | |
9514 | GIF_HEURISTIC_MASK, | |
4a8e312c | 9515 | GIF_MASK, |
333b20bb GM |
9516 | GIF_IMAGE, |
9517 | GIF_LAST | |
9518 | }; | |
9519 | ||
9520 | /* Vector of image_keyword structures describing the format | |
9521 | of valid user-defined image specifications. */ | |
9522 | ||
9523 | static struct image_keyword gif_format[GIF_LAST] = | |
9524 | { | |
9525 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
5ad6a5fb | 9526 | {":data", IMAGE_STRING_VALUE, 0}, |
63448a4d | 9527 | {":file", IMAGE_STRING_VALUE, 0}, |
7c7ff7f5 | 9528 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
333b20bb GM |
9529 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE, 0}, |
9530 | {":relief", IMAGE_INTEGER_VALUE, 0}, | |
9531 | {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, | |
9532 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, | |
4a8e312c | 9533 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
333b20bb GM |
9534 | {":image", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0} |
9535 | }; | |
9536 | ||
9537 | /* Structure describing the image type `gif'. */ | |
9538 | ||
9539 | static struct image_type gif_type = | |
9540 | { | |
9541 | &Qgif, | |
9542 | gif_image_p, | |
9543 | gif_load, | |
9544 | x_clear_image, | |
9545 | NULL | |
9546 | }; | |
9547 | ||
e3130015 | 9548 | |
333b20bb GM |
9549 | /* Return non-zero if OBJECT is a valid GIF image specification. */ |
9550 | ||
9551 | static int | |
9552 | gif_image_p (object) | |
9553 | Lisp_Object object; | |
9554 | { | |
9555 | struct image_keyword fmt[GIF_LAST]; | |
9556 | bcopy (gif_format, fmt, sizeof fmt); | |
9557 | ||
7c7ff7f5 | 9558 | if (!parse_image_spec (object, fmt, GIF_LAST, Qgif)) |
333b20bb | 9559 | return 0; |
5ad6a5fb | 9560 | |
63cec32f GM |
9561 | /* Must specify either the :data or :file keyword. */ |
9562 | return fmt[GIF_FILE].count + fmt[GIF_DATA].count == 1; | |
333b20bb GM |
9563 | } |
9564 | ||
e3130015 | 9565 | |
63448a4d WP |
9566 | /* Reading a GIF image from memory |
9567 | Based on the PNG memory stuff to a certain extent. */ | |
9568 | ||
5ad6a5fb GM |
9569 | typedef struct |
9570 | { | |
63448a4d WP |
9571 | unsigned char *bytes; |
9572 | size_t len; | |
9573 | int index; | |
5ad6a5fb GM |
9574 | } |
9575 | gif_memory_source; | |
63448a4d | 9576 | |
e3130015 | 9577 | |
f036834a GM |
9578 | /* Make the current memory source available to gif_read_from_memory. |
9579 | It's done this way because not all versions of libungif support | |
9580 | a UserData field in the GifFileType structure. */ | |
9581 | static gif_memory_source *current_gif_memory_src; | |
9582 | ||
5ad6a5fb GM |
9583 | static int |
9584 | gif_read_from_memory (file, buf, len) | |
9585 | GifFileType *file; | |
9586 | GifByteType *buf; | |
9587 | int len; | |
63448a4d | 9588 | { |
f036834a | 9589 | gif_memory_source *src = current_gif_memory_src; |
63448a4d | 9590 | |
5ad6a5fb GM |
9591 | if (len > src->len - src->index) |
9592 | return -1; | |
63448a4d | 9593 | |
5ad6a5fb | 9594 | bcopy (src->bytes + src->index, buf, len); |
63448a4d WP |
9595 | src->index += len; |
9596 | return len; | |
9597 | } | |
333b20bb | 9598 | |
5ad6a5fb | 9599 | |
333b20bb GM |
9600 | /* Load GIF image IMG for use on frame F. Value is non-zero if |
9601 | successful. */ | |
9602 | ||
9603 | static int | |
9604 | gif_load (f, img) | |
9605 | struct frame *f; | |
9606 | struct image *img; | |
9607 | { | |
9608 | Lisp_Object file, specified_file; | |
63448a4d | 9609 | Lisp_Object specified_data; |
333b20bb GM |
9610 | int rc, width, height, x, y, i; |
9611 | XImage *ximg; | |
9612 | ColorMapObject *gif_color_map; | |
9613 | unsigned long pixel_colors[256]; | |
9614 | GifFileType *gif; | |
9615 | struct gcpro gcpro1; | |
9616 | Lisp_Object image; | |
9617 | int ino, image_left, image_top, image_width, image_height; | |
63448a4d | 9618 | gif_memory_source memsrc; |
9b784e96 | 9619 | unsigned char *raster; |
333b20bb GM |
9620 | |
9621 | specified_file = image_spec_value (img->spec, QCfile, NULL); | |
63448a4d | 9622 | specified_data = image_spec_value (img->spec, QCdata, NULL); |
5ad6a5fb GM |
9623 | file = Qnil; |
9624 | GCPRO1 (file); | |
63448a4d WP |
9625 | |
9626 | if (NILP (specified_data)) | |
5ad6a5fb GM |
9627 | { |
9628 | file = x_find_image_file (specified_file); | |
9629 | if (!STRINGP (file)) | |
63448a4d | 9630 | { |
45158a91 | 9631 | image_error ("Cannot find image file `%s'", specified_file, Qnil); |
5ad6a5fb GM |
9632 | UNGCPRO; |
9633 | return 0; | |
9634 | } | |
333b20bb | 9635 | |
5ad6a5fb GM |
9636 | /* Open the GIF file. */ |
9637 | gif = DGifOpenFileName (XSTRING (file)->data); | |
9638 | if (gif == NULL) | |
9639 | { | |
9640 | image_error ("Cannot open `%s'", file, Qnil); | |
9641 | UNGCPRO; | |
9642 | return 0; | |
63448a4d | 9643 | } |
5ad6a5fb | 9644 | } |
63448a4d | 9645 | else |
5ad6a5fb GM |
9646 | { |
9647 | /* Read from memory! */ | |
f036834a | 9648 | current_gif_memory_src = &memsrc; |
5ad6a5fb GM |
9649 | memsrc.bytes = XSTRING (specified_data)->data; |
9650 | memsrc.len = STRING_BYTES (XSTRING (specified_data)); | |
9651 | memsrc.index = 0; | |
63448a4d | 9652 | |
5ad6a5fb GM |
9653 | gif = DGifOpen(&memsrc, gif_read_from_memory); |
9654 | if (!gif) | |
9655 | { | |
45158a91 | 9656 | image_error ("Cannot open memory source `%s'", img->spec, Qnil); |
5ad6a5fb GM |
9657 | UNGCPRO; |
9658 | return 0; | |
63448a4d | 9659 | } |
5ad6a5fb | 9660 | } |
333b20bb GM |
9661 | |
9662 | /* Read entire contents. */ | |
9663 | rc = DGifSlurp (gif); | |
9664 | if (rc == GIF_ERROR) | |
9665 | { | |
45158a91 | 9666 | image_error ("Error reading `%s'", img->spec, Qnil); |
333b20bb GM |
9667 | DGifCloseFile (gif); |
9668 | UNGCPRO; | |
9669 | return 0; | |
9670 | } | |
9671 | ||
3ccff1e3 | 9672 | image = image_spec_value (img->spec, QCindex, NULL); |
333b20bb GM |
9673 | ino = INTEGERP (image) ? XFASTINT (image) : 0; |
9674 | if (ino >= gif->ImageCount) | |
9675 | { | |
45158a91 GM |
9676 | image_error ("Invalid image number `%s' in image `%s'", |
9677 | image, img->spec); | |
333b20bb GM |
9678 | DGifCloseFile (gif); |
9679 | UNGCPRO; | |
9680 | return 0; | |
9681 | } | |
9682 | ||
9683 | width = img->width = gif->SWidth; | |
9684 | height = img->height = gif->SHeight; | |
9685 | ||
333b20bb | 9686 | /* Create the X image and pixmap. */ |
45158a91 | 9687 | if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap)) |
333b20bb | 9688 | { |
333b20bb GM |
9689 | DGifCloseFile (gif); |
9690 | UNGCPRO; | |
9691 | return 0; | |
9692 | } | |
9693 | ||
9694 | /* Allocate colors. */ | |
9695 | gif_color_map = gif->SavedImages[ino].ImageDesc.ColorMap; | |
9696 | if (!gif_color_map) | |
9697 | gif_color_map = gif->SColorMap; | |
9698 | init_color_table (); | |
9699 | bzero (pixel_colors, sizeof pixel_colors); | |
9700 | ||
9701 | for (i = 0; i < gif_color_map->ColorCount; ++i) | |
9702 | { | |
9703 | int r = gif_color_map->Colors[i].Red << 8; | |
9704 | int g = gif_color_map->Colors[i].Green << 8; | |
9705 | int b = gif_color_map->Colors[i].Blue << 8; | |
9706 | pixel_colors[i] = lookup_rgb_color (f, r, g, b); | |
9707 | } | |
9708 | ||
9709 | img->colors = colors_in_color_table (&img->ncolors); | |
9710 | free_color_table (); | |
9711 | ||
9712 | /* Clear the part of the screen image that are not covered by | |
9713 | the image from the GIF file. Full animated GIF support | |
9714 | requires more than can be done here (see the gif89 spec, | |
9715 | disposal methods). Let's simply assume that the part | |
9716 | not covered by a sub-image is in the frame's background color. */ | |
9717 | image_top = gif->SavedImages[ino].ImageDesc.Top; | |
9718 | image_left = gif->SavedImages[ino].ImageDesc.Left; | |
9719 | image_width = gif->SavedImages[ino].ImageDesc.Width; | |
9720 | image_height = gif->SavedImages[ino].ImageDesc.Height; | |
9721 | ||
9722 | for (y = 0; y < image_top; ++y) | |
9723 | for (x = 0; x < width; ++x) | |
9724 | XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); | |
9725 | ||
9726 | for (y = image_top + image_height; y < height; ++y) | |
9727 | for (x = 0; x < width; ++x) | |
9728 | XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); | |
9729 | ||
9730 | for (y = image_top; y < image_top + image_height; ++y) | |
9731 | { | |
9732 | for (x = 0; x < image_left; ++x) | |
9733 | XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); | |
9734 | for (x = image_left + image_width; x < width; ++x) | |
9735 | XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); | |
9736 | } | |
9737 | ||
9b784e96 GM |
9738 | /* Read the GIF image into the X image. We use a local variable |
9739 | `raster' here because RasterBits below is a char *, and invites | |
9740 | problems with bytes >= 0x80. */ | |
9741 | raster = (unsigned char *) gif->SavedImages[ino].RasterBits; | |
9742 | ||
333b20bb GM |
9743 | if (gif->SavedImages[ino].ImageDesc.Interlace) |
9744 | { | |
9745 | static int interlace_start[] = {0, 4, 2, 1}; | |
9746 | static int interlace_increment[] = {8, 8, 4, 2}; | |
9b207e8e | 9747 | int pass; |
06482119 GM |
9748 | int row = interlace_start[0]; |
9749 | ||
9750 | pass = 0; | |
333b20bb | 9751 | |
06482119 | 9752 | for (y = 0; y < image_height; y++) |
333b20bb | 9753 | { |
06482119 GM |
9754 | if (row >= image_height) |
9755 | { | |
9756 | row = interlace_start[++pass]; | |
9757 | while (row >= image_height) | |
9758 | row = interlace_start[++pass]; | |
9759 | } | |
9760 | ||
9761 | for (x = 0; x < image_width; x++) | |
9762 | { | |
9b784e96 | 9763 | int i = raster[(y * image_width) + x]; |
06482119 GM |
9764 | XPutPixel (ximg, x + image_left, row + image_top, |
9765 | pixel_colors[i]); | |
9766 | } | |
9767 | ||
9768 | row += interlace_increment[pass]; | |
333b20bb GM |
9769 | } |
9770 | } | |
9771 | else | |
9772 | { | |
9773 | for (y = 0; y < image_height; ++y) | |
9774 | for (x = 0; x < image_width; ++x) | |
9775 | { | |
9b784e96 | 9776 | int i = raster[y * image_width + x]; |
333b20bb GM |
9777 | XPutPixel (ximg, x + image_left, y + image_top, pixel_colors[i]); |
9778 | } | |
9779 | } | |
9780 | ||
9781 | DGifCloseFile (gif); | |
9782 | ||
9783 | /* Put the image into the pixmap, then free the X image and its buffer. */ | |
9784 | x_put_x_image (f, ximg, img->pixmap, width, height); | |
9785 | x_destroy_x_image (ximg); | |
333b20bb GM |
9786 | |
9787 | UNGCPRO; | |
9788 | return 1; | |
9789 | } | |
9790 | ||
9791 | #endif /* HAVE_GIF != 0 */ | |
9792 | ||
9793 | ||
9794 | \f | |
9795 | /*********************************************************************** | |
9796 | Ghostscript | |
9797 | ***********************************************************************/ | |
9798 | ||
9799 | static int gs_image_p P_ ((Lisp_Object object)); | |
9800 | static int gs_load P_ ((struct frame *f, struct image *img)); | |
9801 | static void gs_clear_image P_ ((struct frame *f, struct image *img)); | |
9802 | ||
fcf431dc | 9803 | /* The symbol `postscript' identifying images of this type. */ |
333b20bb | 9804 | |
fcf431dc | 9805 | Lisp_Object Qpostscript; |
333b20bb GM |
9806 | |
9807 | /* Keyword symbols. */ | |
9808 | ||
9809 | Lisp_Object QCloader, QCbounding_box, QCpt_width, QCpt_height; | |
9810 | ||
9811 | /* Indices of image specification fields in gs_format, below. */ | |
9812 | ||
9813 | enum gs_keyword_index | |
9814 | { | |
9815 | GS_TYPE, | |
9816 | GS_PT_WIDTH, | |
9817 | GS_PT_HEIGHT, | |
9818 | GS_FILE, | |
9819 | GS_LOADER, | |
9820 | GS_BOUNDING_BOX, | |
9821 | GS_ASCENT, | |
9822 | GS_MARGIN, | |
9823 | GS_RELIEF, | |
9824 | GS_ALGORITHM, | |
9825 | GS_HEURISTIC_MASK, | |
4a8e312c | 9826 | GS_MASK, |
333b20bb GM |
9827 | GS_LAST |
9828 | }; | |
9829 | ||
9830 | /* Vector of image_keyword structures describing the format | |
9831 | of valid user-defined image specifications. */ | |
9832 | ||
9833 | static struct image_keyword gs_format[GS_LAST] = | |
9834 | { | |
9835 | {":type", IMAGE_SYMBOL_VALUE, 1}, | |
9836 | {":pt-width", IMAGE_POSITIVE_INTEGER_VALUE, 1}, | |
9837 | {":pt-height", IMAGE_POSITIVE_INTEGER_VALUE, 1}, | |
9838 | {":file", IMAGE_STRING_VALUE, 1}, | |
9839 | {":loader", IMAGE_FUNCTION_VALUE, 0}, | |
9840 | {":bounding-box", IMAGE_DONT_CHECK_VALUE_TYPE, 1}, | |
7c7ff7f5 | 9841 | {":ascent", IMAGE_ASCENT_VALUE, 0}, |
333b20bb GM |
9842 | {":margin", IMAGE_POSITIVE_INTEGER_VALUE, 0}, |
9843 | {":relief", IMAGE_INTEGER_VALUE, 0}, | |
9844 | {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, | |
4a8e312c GM |
9845 | {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, |
9846 | {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0} | |
333b20bb GM |
9847 | }; |
9848 | ||
9849 | /* Structure describing the image type `ghostscript'. */ | |
9850 | ||
9851 | static struct image_type gs_type = | |
9852 | { | |
fcf431dc | 9853 | &Qpostscript, |
333b20bb GM |
9854 | gs_image_p, |
9855 | gs_load, | |
9856 | gs_clear_image, | |
9857 | NULL | |
9858 | }; | |
9859 | ||
9860 | ||
9861 | /* Free X resources of Ghostscript image IMG which is used on frame F. */ | |
9862 | ||
9863 | static void | |
9864 | gs_clear_image (f, img) | |
9865 | struct frame *f; | |
9866 | struct image *img; | |
9867 | { | |
9868 | /* IMG->data.ptr_val may contain a recorded colormap. */ | |
9869 | xfree (img->data.ptr_val); | |
9870 | x_clear_image (f, img); | |
9871 | } | |
9872 | ||
9873 | ||
9874 | /* Return non-zero if OBJECT is a valid Ghostscript image | |
9875 | specification. */ | |
9876 | ||
9877 | static int | |
9878 | gs_image_p (object) | |
9879 | Lisp_Object object; | |
9880 | { | |
9881 | struct image_keyword fmt[GS_LAST]; | |
9882 | Lisp_Object tem; | |
9883 | int i; | |
9884 | ||
9885 | bcopy (gs_format, fmt, sizeof fmt); | |
9886 | ||
7c7ff7f5 | 9887 | if (!parse_image_spec (object, fmt, GS_LAST, Qpostscript)) |
333b20bb GM |
9888 | return 0; |
9889 | ||
9890 | /* Bounding box must be a list or vector containing 4 integers. */ | |
9891 | tem = fmt[GS_BOUNDING_BOX].value; | |
9892 | if (CONSP (tem)) | |
9893 | { | |
9894 | for (i = 0; i < 4; ++i, tem = XCDR (tem)) | |
9895 | if (!CONSP (tem) || !INTEGERP (XCAR (tem))) | |
9896 | return 0; | |
9897 | if (!NILP (tem)) | |
9898 | return 0; | |
9899 | } | |
9900 | else if (VECTORP (tem)) | |
9901 | { | |
9902 | if (XVECTOR (tem)->size != 4) | |
9903 | return 0; | |
9904 | for (i = 0; i < 4; ++i) | |
9905 | if (!INTEGERP (XVECTOR (tem)->contents[i])) | |
9906 | return 0; | |
9907 | } | |
9908 | else | |
9909 | return 0; | |
9910 | ||
9911 | return 1; | |
9912 | } | |
9913 | ||
9914 | ||
9915 | /* Load Ghostscript image IMG for use on frame F. Value is non-zero | |
9916 | if successful. */ | |
9917 | ||
9918 | static int | |
9919 | gs_load (f, img) | |
9920 | struct frame *f; | |
9921 | struct image *img; | |
9922 | { | |
9923 | char buffer[100]; | |
9924 | Lisp_Object window_and_pixmap_id = Qnil, loader, pt_height, pt_width; | |
9925 | struct gcpro gcpro1, gcpro2; | |
9926 | Lisp_Object frame; | |
9927 | double in_width, in_height; | |
9928 | Lisp_Object pixel_colors = Qnil; | |
9929 | ||
9930 | /* Compute pixel size of pixmap needed from the given size in the | |
9931 | image specification. Sizes in the specification are in pt. 1 pt | |
9932 | = 1/72 in, xdpi and ydpi are stored in the frame's X display | |
9933 | info. */ | |
9934 | pt_width = image_spec_value (img->spec, QCpt_width, NULL); | |
9935 | in_width = XFASTINT (pt_width) / 72.0; | |
9936 | img->width = in_width * FRAME_X_DISPLAY_INFO (f)->resx; | |
9937 | pt_height = image_spec_value (img->spec, QCpt_height, NULL); | |
9938 | in_height = XFASTINT (pt_height) / 72.0; | |
9939 | img->height = in_height * FRAME_X_DISPLAY_INFO (f)->resy; | |
9940 | ||
9941 | /* Create the pixmap. */ | |
dd00328a | 9942 | xassert (img->pixmap == None); |
333b20bb GM |
9943 | img->pixmap = XCreatePixmap (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
9944 | img->width, img->height, | |
9945 | DefaultDepthOfScreen (FRAME_X_SCREEN (f))); | |
333b20bb GM |
9946 | |
9947 | if (!img->pixmap) | |
9948 | { | |
45158a91 | 9949 | image_error ("Unable to create pixmap for `%s'", img->spec, Qnil); |
333b20bb GM |
9950 | return 0; |
9951 | } | |
9952 | ||
9953 | /* Call the loader to fill the pixmap. It returns a process object | |
9954 | if successful. We do not record_unwind_protect here because | |
9955 | other places in redisplay like calling window scroll functions | |
9956 | don't either. Let the Lisp loader use `unwind-protect' instead. */ | |
9957 | GCPRO2 (window_and_pixmap_id, pixel_colors); | |
9958 | ||
9959 | sprintf (buffer, "%lu %lu", | |
9960 | (unsigned long) FRAME_X_WINDOW (f), | |
9961 | (unsigned long) img->pixmap); | |
9962 | window_and_pixmap_id = build_string (buffer); | |
9963 | ||
9964 | sprintf (buffer, "%lu %lu", | |
9965 | FRAME_FOREGROUND_PIXEL (f), | |
9966 | FRAME_BACKGROUND_PIXEL (f)); | |
9967 | pixel_colors = build_string (buffer); | |
9968 | ||
9969 | XSETFRAME (frame, f); | |
9970 | loader = image_spec_value (img->spec, QCloader, NULL); | |
9971 | if (NILP (loader)) | |
9972 | loader = intern ("gs-load-image"); | |
9973 | ||
9974 | img->data.lisp_val = call6 (loader, frame, img->spec, | |
9975 | make_number (img->width), | |
9976 | make_number (img->height), | |
9977 | window_and_pixmap_id, | |
9978 | pixel_colors); | |
9979 | UNGCPRO; | |
9980 | return PROCESSP (img->data.lisp_val); | |
9981 | } | |
9982 | ||
9983 | ||
9984 | /* Kill the Ghostscript process that was started to fill PIXMAP on | |
9985 | frame F. Called from XTread_socket when receiving an event | |
9986 | telling Emacs that Ghostscript has finished drawing. */ | |
9987 | ||
9988 | void | |
9989 | x_kill_gs_process (pixmap, f) | |
9990 | Pixmap pixmap; | |
9991 | struct frame *f; | |
9992 | { | |
9993 | struct image_cache *c = FRAME_X_IMAGE_CACHE (f); | |
9994 | int class, i; | |
9995 | struct image *img; | |
9996 | ||
9997 | /* Find the image containing PIXMAP. */ | |
9998 | for (i = 0; i < c->used; ++i) | |
9999 | if (c->images[i]->pixmap == pixmap) | |
10000 | break; | |
10001 | ||
10002 | /* Kill the GS process. We should have found PIXMAP in the image | |
10003 | cache and its image should contain a process object. */ | |
10004 | xassert (i < c->used); | |
10005 | img = c->images[i]; | |
10006 | xassert (PROCESSP (img->data.lisp_val)); | |
10007 | Fkill_process (img->data.lisp_val, Qnil); | |
10008 | img->data.lisp_val = Qnil; | |
10009 | ||
10010 | /* On displays with a mutable colormap, figure out the colors | |
10011 | allocated for the image by looking at the pixels of an XImage for | |
10012 | img->pixmap. */ | |
383d6ffc | 10013 | class = FRAME_X_VISUAL (f)->class; |
333b20bb GM |
10014 | if (class != StaticColor && class != StaticGray && class != TrueColor) |
10015 | { | |
10016 | XImage *ximg; | |
10017 | ||
10018 | BLOCK_INPUT; | |
10019 | ||
10020 | /* Try to get an XImage for img->pixmep. */ | |
10021 | ximg = XGetImage (FRAME_X_DISPLAY (f), img->pixmap, | |
10022 | 0, 0, img->width, img->height, ~0, ZPixmap); | |
10023 | if (ximg) | |
10024 | { | |
10025 | int x, y; | |
10026 | ||
10027 | /* Initialize the color table. */ | |
10028 | init_color_table (); | |
10029 | ||
10030 | /* For each pixel of the image, look its color up in the | |
10031 | color table. After having done so, the color table will | |
10032 | contain an entry for each color used by the image. */ | |
10033 | for (y = 0; y < img->height; ++y) | |
10034 | for (x = 0; x < img->width; ++x) | |
10035 | { | |
10036 | unsigned long pixel = XGetPixel (ximg, x, y); | |
10037 | lookup_pixel_color (f, pixel); | |
10038 | } | |
10039 | ||
10040 | /* Record colors in the image. Free color table and XImage. */ | |
10041 | img->colors = colors_in_color_table (&img->ncolors); | |
10042 | free_color_table (); | |
10043 | XDestroyImage (ximg); | |
10044 | ||
10045 | #if 0 /* This doesn't seem to be the case. If we free the colors | |
10046 | here, we get a BadAccess later in x_clear_image when | |
10047 | freeing the colors. */ | |
10048 | /* We have allocated colors once, but Ghostscript has also | |
10049 | allocated colors on behalf of us. So, to get the | |
10050 | reference counts right, free them once. */ | |
10051 | if (img->ncolors) | |
462d5d40 | 10052 | x_free_colors (f, img->colors, img->ncolors); |
333b20bb GM |
10053 | #endif |
10054 | } | |
10055 | else | |
10056 | image_error ("Cannot get X image of `%s'; colors will not be freed", | |
45158a91 | 10057 | img->spec, Qnil); |
333b20bb GM |
10058 | |
10059 | UNBLOCK_INPUT; | |
10060 | } | |
10061 | } | |
10062 | ||
10063 | ||
10064 | \f | |
10065 | /*********************************************************************** | |
10066 | Window properties | |
10067 | ***********************************************************************/ | |
10068 | ||
10069 | DEFUN ("x-change-window-property", Fx_change_window_property, | |
10070 | Sx_change_window_property, 2, 3, 0, | |
10071 | "Change window property PROP to VALUE on the X window of FRAME.\n\ | |
10072 | PROP and VALUE must be strings. FRAME nil or omitted means use the\n\ | |
10073 | selected frame. Value is VALUE.") | |
10074 | (prop, value, frame) | |
10075 | Lisp_Object frame, prop, value; | |
10076 | { | |
10077 | struct frame *f = check_x_frame (frame); | |
10078 | Atom prop_atom; | |
10079 | ||
10080 | CHECK_STRING (prop, 1); | |
10081 | CHECK_STRING (value, 2); | |
10082 | ||
10083 | BLOCK_INPUT; | |
10084 | prop_atom = XInternAtom (FRAME_X_DISPLAY (f), XSTRING (prop)->data, False); | |
10085 | XChangeProperty (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
10086 | prop_atom, XA_STRING, 8, PropModeReplace, | |
10087 | XSTRING (value)->data, XSTRING (value)->size); | |
10088 | ||
10089 | /* Make sure the property is set when we return. */ | |
10090 | XFlush (FRAME_X_DISPLAY (f)); | |
10091 | UNBLOCK_INPUT; | |
10092 | ||
10093 | return value; | |
10094 | } | |
10095 | ||
10096 | ||
10097 | DEFUN ("x-delete-window-property", Fx_delete_window_property, | |
10098 | Sx_delete_window_property, 1, 2, 0, | |
10099 | "Remove window property PROP from X window of FRAME.\n\ | |
10100 | FRAME nil or omitted means use the selected frame. Value is PROP.") | |
10101 | (prop, frame) | |
10102 | Lisp_Object prop, frame; | |
10103 | { | |
10104 | struct frame *f = check_x_frame (frame); | |
10105 | Atom prop_atom; | |
10106 | ||
10107 | CHECK_STRING (prop, 1); | |
10108 | BLOCK_INPUT; | |
10109 | prop_atom = XInternAtom (FRAME_X_DISPLAY (f), XSTRING (prop)->data, False); | |
10110 | XDeleteProperty (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), prop_atom); | |
10111 | ||
10112 | /* Make sure the property is removed when we return. */ | |
10113 | XFlush (FRAME_X_DISPLAY (f)); | |
10114 | UNBLOCK_INPUT; | |
10115 | ||
10116 | return prop; | |
10117 | } | |
10118 | ||
10119 | ||
10120 | DEFUN ("x-window-property", Fx_window_property, Sx_window_property, | |
10121 | 1, 2, 0, | |
10122 | "Value is the value of window property PROP on FRAME.\n\ | |
10123 | If FRAME is nil or omitted, use the selected frame. Value is nil\n\ | |
10124 | if FRAME hasn't a property with name PROP or if PROP has no string\n\ | |
10125 | value.") | |
10126 | (prop, frame) | |
10127 | Lisp_Object prop, frame; | |
10128 | { | |
10129 | struct frame *f = check_x_frame (frame); | |
10130 | Atom prop_atom; | |
10131 | int rc; | |
10132 | Lisp_Object prop_value = Qnil; | |
10133 | char *tmp_data = NULL; | |
10134 | Atom actual_type; | |
10135 | int actual_format; | |
10136 | unsigned long actual_size, bytes_remaining; | |
10137 | ||
10138 | CHECK_STRING (prop, 1); | |
10139 | BLOCK_INPUT; | |
10140 | prop_atom = XInternAtom (FRAME_X_DISPLAY (f), XSTRING (prop)->data, False); | |
10141 | rc = XGetWindowProperty (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
10142 | prop_atom, 0, 0, False, XA_STRING, | |
10143 | &actual_type, &actual_format, &actual_size, | |
10144 | &bytes_remaining, (unsigned char **) &tmp_data); | |
10145 | if (rc == Success) | |
10146 | { | |
10147 | int size = bytes_remaining; | |
10148 | ||
10149 | XFree (tmp_data); | |
10150 | tmp_data = NULL; | |
10151 | ||
10152 | rc = XGetWindowProperty (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
10153 | prop_atom, 0, bytes_remaining, | |
10154 | False, XA_STRING, | |
10155 | &actual_type, &actual_format, | |
10156 | &actual_size, &bytes_remaining, | |
10157 | (unsigned char **) &tmp_data); | |
10158 | if (rc == Success) | |
10159 | prop_value = make_string (tmp_data, size); | |
10160 | ||
10161 | XFree (tmp_data); | |
10162 | } | |
10163 | ||
10164 | UNBLOCK_INPUT; | |
10165 | return prop_value; | |
10166 | } | |
10167 | ||
10168 | ||
10169 | \f | |
10170 | /*********************************************************************** | |
10171 | Busy cursor | |
10172 | ***********************************************************************/ | |
10173 | ||
4ae9a85e GM |
10174 | /* If non-null, an asynchronous timer that, when it expires, displays |
10175 | a busy cursor on all frames. */ | |
333b20bb | 10176 | |
4ae9a85e | 10177 | static struct atimer *busy_cursor_atimer; |
333b20bb | 10178 | |
4ae9a85e | 10179 | /* Non-zero means a busy cursor is currently shown. */ |
333b20bb | 10180 | |
4ae9a85e | 10181 | static int busy_cursor_shown_p; |
333b20bb | 10182 | |
4ae9a85e | 10183 | /* Number of seconds to wait before displaying a busy cursor. */ |
333b20bb | 10184 | |
4ae9a85e | 10185 | static Lisp_Object Vbusy_cursor_delay; |
333b20bb | 10186 | |
4ae9a85e GM |
10187 | /* Default number of seconds to wait before displaying a busy |
10188 | cursor. */ | |
10189 | ||
10190 | #define DEFAULT_BUSY_CURSOR_DELAY 1 | |
10191 | ||
10192 | /* Function prototypes. */ | |
10193 | ||
10194 | static void show_busy_cursor P_ ((struct atimer *)); | |
10195 | static void hide_busy_cursor P_ ((void)); | |
10196 | ||
10197 | ||
10198 | /* Cancel a currently active busy-cursor timer, and start a new one. */ | |
10199 | ||
10200 | void | |
10201 | start_busy_cursor () | |
333b20bb | 10202 | { |
4ae9a85e | 10203 | EMACS_TIME delay; |
3caa99d3 | 10204 | int secs, usecs = 0; |
4ae9a85e GM |
10205 | |
10206 | cancel_busy_cursor (); | |
10207 | ||
10208 | if (INTEGERP (Vbusy_cursor_delay) | |
10209 | && XINT (Vbusy_cursor_delay) > 0) | |
10210 | secs = XFASTINT (Vbusy_cursor_delay); | |
3caa99d3 GM |
10211 | else if (FLOATP (Vbusy_cursor_delay) |
10212 | && XFLOAT_DATA (Vbusy_cursor_delay) > 0) | |
10213 | { | |
10214 | Lisp_Object tem; | |
10215 | tem = Ftruncate (Vbusy_cursor_delay, Qnil); | |
10216 | secs = XFASTINT (tem); | |
10217 | usecs = (XFLOAT_DATA (Vbusy_cursor_delay) - secs) * 1000000; | |
10218 | } | |
4ae9a85e GM |
10219 | else |
10220 | secs = DEFAULT_BUSY_CURSOR_DELAY; | |
10221 | ||
3caa99d3 | 10222 | EMACS_SET_SECS_USECS (delay, secs, usecs); |
4ae9a85e GM |
10223 | busy_cursor_atimer = start_atimer (ATIMER_RELATIVE, delay, |
10224 | show_busy_cursor, NULL); | |
10225 | } | |
10226 | ||
10227 | ||
10228 | /* Cancel the busy cursor timer if active, hide a busy cursor if | |
10229 | shown. */ | |
10230 | ||
10231 | void | |
10232 | cancel_busy_cursor () | |
10233 | { | |
10234 | if (busy_cursor_atimer) | |
99f01f62 GM |
10235 | { |
10236 | cancel_atimer (busy_cursor_atimer); | |
10237 | busy_cursor_atimer = NULL; | |
10238 | } | |
10239 | ||
4ae9a85e GM |
10240 | if (busy_cursor_shown_p) |
10241 | hide_busy_cursor (); | |
10242 | } | |
10243 | ||
10244 | ||
10245 | /* Timer function of busy_cursor_atimer. TIMER is equal to | |
10246 | busy_cursor_atimer. | |
10247 | ||
10248 | Display a busy cursor on all frames by mapping the frames' | |
10249 | busy_window. Set the busy_p flag in the frames' output_data.x | |
10250 | structure to indicate that a busy cursor is shown on the | |
10251 | frames. */ | |
10252 | ||
10253 | static void | |
10254 | show_busy_cursor (timer) | |
10255 | struct atimer *timer; | |
10256 | { | |
10257 | /* The timer implementation will cancel this timer automatically | |
10258 | after this function has run. Set busy_cursor_atimer to null | |
10259 | so that we know the timer doesn't have to be canceled. */ | |
10260 | busy_cursor_atimer = NULL; | |
10261 | ||
10262 | if (!busy_cursor_shown_p) | |
333b20bb GM |
10263 | { |
10264 | Lisp_Object rest, frame; | |
4ae9a85e GM |
10265 | |
10266 | BLOCK_INPUT; | |
10267 | ||
333b20bb | 10268 | FOR_EACH_FRAME (rest, frame) |
5f7a1890 GM |
10269 | { |
10270 | struct frame *f = XFRAME (frame); | |
10271 | ||
10272 | if (FRAME_LIVE_P (f) && FRAME_X_P (f) && FRAME_X_DISPLAY (f)) | |
10273 | { | |
10274 | Display *dpy = FRAME_X_DISPLAY (f); | |
10275 | ||
10276 | #ifdef USE_X_TOOLKIT | |
10277 | if (f->output_data.x->widget) | |
10278 | #else | |
10279 | if (FRAME_OUTER_WINDOW (f)) | |
10280 | #endif | |
10281 | { | |
10282 | f->output_data.x->busy_p = 1; | |
4ae9a85e | 10283 | |
5f7a1890 GM |
10284 | if (!f->output_data.x->busy_window) |
10285 | { | |
10286 | unsigned long mask = CWCursor; | |
10287 | XSetWindowAttributes attrs; | |
4ae9a85e | 10288 | |
5f7a1890 | 10289 | attrs.cursor = f->output_data.x->busy_cursor; |
4ae9a85e | 10290 | |
5f7a1890 GM |
10291 | f->output_data.x->busy_window |
10292 | = XCreateWindow (dpy, FRAME_OUTER_WINDOW (f), | |
10293 | 0, 0, 32000, 32000, 0, 0, | |
10294 | InputOnly, | |
10295 | CopyFromParent, | |
10296 | mask, &attrs); | |
10297 | } | |
4ae9a85e | 10298 | |
5f7a1890 GM |
10299 | XMapRaised (dpy, f->output_data.x->busy_window); |
10300 | XFlush (dpy); | |
10301 | } | |
10302 | } | |
10303 | } | |
333b20bb | 10304 | |
4ae9a85e GM |
10305 | busy_cursor_shown_p = 1; |
10306 | UNBLOCK_INPUT; | |
10307 | } | |
333b20bb GM |
10308 | } |
10309 | ||
10310 | ||
4ae9a85e | 10311 | /* Hide the busy cursor on all frames, if it is currently shown. */ |
333b20bb | 10312 | |
4ae9a85e GM |
10313 | static void |
10314 | hide_busy_cursor () | |
10315 | { | |
10316 | if (busy_cursor_shown_p) | |
333b20bb | 10317 | { |
4ae9a85e GM |
10318 | Lisp_Object rest, frame; |
10319 | ||
10320 | BLOCK_INPUT; | |
10321 | FOR_EACH_FRAME (rest, frame) | |
333b20bb | 10322 | { |
4ae9a85e GM |
10323 | struct frame *f = XFRAME (frame); |
10324 | ||
10325 | if (FRAME_X_P (f) | |
10326 | /* Watch out for newly created frames. */ | |
10327 | && f->output_data.x->busy_window) | |
10328 | { | |
10329 | XUnmapWindow (FRAME_X_DISPLAY (f), f->output_data.x->busy_window); | |
10330 | /* Sync here because XTread_socket looks at the busy_p flag | |
10331 | that is reset to zero below. */ | |
10332 | XSync (FRAME_X_DISPLAY (f), False); | |
10333 | f->output_data.x->busy_p = 0; | |
10334 | } | |
333b20bb | 10335 | } |
333b20bb | 10336 | |
4ae9a85e GM |
10337 | busy_cursor_shown_p = 0; |
10338 | UNBLOCK_INPUT; | |
10339 | } | |
333b20bb GM |
10340 | } |
10341 | ||
10342 | ||
10343 | \f | |
10344 | /*********************************************************************** | |
10345 | Tool tips | |
10346 | ***********************************************************************/ | |
10347 | ||
10348 | static Lisp_Object x_create_tip_frame P_ ((struct x_display_info *, | |
10349 | Lisp_Object)); | |
10350 | ||
44b5a125 | 10351 | /* The frame of a currently visible tooltip. */ |
333b20bb | 10352 | |
44b5a125 | 10353 | Lisp_Object tip_frame; |
333b20bb GM |
10354 | |
10355 | /* If non-nil, a timer started that hides the last tooltip when it | |
10356 | fires. */ | |
10357 | ||
10358 | Lisp_Object tip_timer; | |
10359 | Window tip_window; | |
10360 | ||
eaf1eea9 GM |
10361 | |
10362 | static Lisp_Object | |
10363 | unwind_create_tip_frame (frame) | |
10364 | Lisp_Object frame; | |
10365 | { | |
c844a81a GM |
10366 | Lisp_Object deleted; |
10367 | ||
10368 | deleted = unwind_create_frame (frame); | |
10369 | if (EQ (deleted, Qt)) | |
10370 | { | |
10371 | tip_window = None; | |
10372 | tip_frame = Qnil; | |
10373 | } | |
10374 | ||
10375 | return deleted; | |
eaf1eea9 GM |
10376 | } |
10377 | ||
10378 | ||
333b20bb | 10379 | /* Create a frame for a tooltip on the display described by DPYINFO. |
eaf1eea9 GM |
10380 | PARMS is a list of frame parameters. Value is the frame. |
10381 | ||
10382 | Note that functions called here, esp. x_default_parameter can | |
10383 | signal errors, for instance when a specified color name is | |
10384 | undefined. We have to make sure that we're in a consistent state | |
10385 | when this happens. */ | |
333b20bb GM |
10386 | |
10387 | static Lisp_Object | |
10388 | x_create_tip_frame (dpyinfo, parms) | |
10389 | struct x_display_info *dpyinfo; | |
10390 | Lisp_Object parms; | |
10391 | { | |
10392 | struct frame *f; | |
10393 | Lisp_Object frame, tem; | |
10394 | Lisp_Object name; | |
333b20bb GM |
10395 | long window_prompting = 0; |
10396 | int width, height; | |
eaf1eea9 | 10397 | int count = BINDING_STACK_SIZE (); |
b6d7acec | 10398 | struct gcpro gcpro1, gcpro2, gcpro3; |
333b20bb GM |
10399 | struct kboard *kb; |
10400 | ||
10401 | check_x (); | |
10402 | ||
10403 | /* Use this general default value to start with until we know if | |
10404 | this frame has a specified name. */ | |
10405 | Vx_resource_name = Vinvocation_name; | |
10406 | ||
10407 | #ifdef MULTI_KBOARD | |
10408 | kb = dpyinfo->kboard; | |
10409 | #else | |
10410 | kb = &the_only_kboard; | |
10411 | #endif | |
10412 | ||
10413 | /* Get the name of the frame to use for resource lookup. */ | |
10414 | name = x_get_arg (dpyinfo, parms, Qname, "name", "Name", RES_TYPE_STRING); | |
10415 | if (!STRINGP (name) | |
10416 | && !EQ (name, Qunbound) | |
10417 | && !NILP (name)) | |
10418 | error ("Invalid frame name--not a string or nil"); | |
10419 | Vx_resource_name = name; | |
10420 | ||
10421 | frame = Qnil; | |
10422 | GCPRO3 (parms, name, frame); | |
44b5a125 | 10423 | f = make_frame (1); |
333b20bb GM |
10424 | XSETFRAME (frame, f); |
10425 | FRAME_CAN_HAVE_SCROLL_BARS (f) = 0; | |
8a1a7743 | 10426 | record_unwind_protect (unwind_create_tip_frame, frame); |
333b20bb | 10427 | |
eaf1eea9 GM |
10428 | /* By setting the output method, we're essentially saying that |
10429 | the frame is live, as per FRAME_LIVE_P. If we get a signal | |
10430 | from this point on, x_destroy_window might screw up reference | |
10431 | counts etc. */ | |
333b20bb GM |
10432 | f->output_method = output_x_window; |
10433 | f->output_data.x = (struct x_output *) xmalloc (sizeof (struct x_output)); | |
10434 | bzero (f->output_data.x, sizeof (struct x_output)); | |
10435 | f->output_data.x->icon_bitmap = -1; | |
10436 | f->output_data.x->fontset = -1; | |
61d461a8 GM |
10437 | f->output_data.x->scroll_bar_foreground_pixel = -1; |
10438 | f->output_data.x->scroll_bar_background_pixel = -1; | |
333b20bb GM |
10439 | f->icon_name = Qnil; |
10440 | FRAME_X_DISPLAY_INFO (f) = dpyinfo; | |
f1d2ce7f | 10441 | #if GLYPH_DEBUG |
eaf1eea9 GM |
10442 | image_cache_refcount = FRAME_X_IMAGE_CACHE (f)->refcount; |
10443 | dpyinfo_refcount = dpyinfo->reference_count; | |
10444 | #endif /* GLYPH_DEBUG */ | |
333b20bb GM |
10445 | #ifdef MULTI_KBOARD |
10446 | FRAME_KBOARD (f) = kb; | |
10447 | #endif | |
10448 | f->output_data.x->parent_desc = FRAME_X_DISPLAY_INFO (f)->root_window; | |
10449 | f->output_data.x->explicit_parent = 0; | |
10450 | ||
61d461a8 GM |
10451 | /* These colors will be set anyway later, but it's important |
10452 | to get the color reference counts right, so initialize them! */ | |
10453 | { | |
10454 | Lisp_Object black; | |
10455 | struct gcpro gcpro1; | |
10456 | ||
10457 | black = build_string ("black"); | |
10458 | GCPRO1 (black); | |
10459 | f->output_data.x->foreground_pixel | |
10460 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
10461 | f->output_data.x->background_pixel | |
10462 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
10463 | f->output_data.x->cursor_pixel | |
10464 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
10465 | f->output_data.x->cursor_foreground_pixel | |
10466 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
10467 | f->output_data.x->border_pixel | |
10468 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
10469 | f->output_data.x->mouse_pixel | |
10470 | = x_decode_color (f, black, BLACK_PIX_DEFAULT (f)); | |
10471 | UNGCPRO; | |
10472 | } | |
10473 | ||
333b20bb GM |
10474 | /* Set the name; the functions to which we pass f expect the name to |
10475 | be set. */ | |
10476 | if (EQ (name, Qunbound) || NILP (name)) | |
10477 | { | |
10478 | f->name = build_string (dpyinfo->x_id_name); | |
10479 | f->explicit_name = 0; | |
10480 | } | |
10481 | else | |
10482 | { | |
10483 | f->name = name; | |
10484 | f->explicit_name = 1; | |
10485 | /* use the frame's title when getting resources for this frame. */ | |
10486 | specbind (Qx_resource_name, name); | |
10487 | } | |
10488 | ||
eaf1eea9 GM |
10489 | /* Extract the window parameters from the supplied values that are |
10490 | needed to determine window geometry. */ | |
333b20bb GM |
10491 | { |
10492 | Lisp_Object font; | |
10493 | ||
10494 | font = x_get_arg (dpyinfo, parms, Qfont, "font", "Font", RES_TYPE_STRING); | |
10495 | ||
10496 | BLOCK_INPUT; | |
10497 | /* First, try whatever font the caller has specified. */ | |
10498 | if (STRINGP (font)) | |
10499 | { | |
10500 | tem = Fquery_fontset (font, Qnil); | |
10501 | if (STRINGP (tem)) | |
10502 | font = x_new_fontset (f, XSTRING (tem)->data); | |
10503 | else | |
10504 | font = x_new_font (f, XSTRING (font)->data); | |
10505 | } | |
10506 | ||
10507 | /* Try out a font which we hope has bold and italic variations. */ | |
10508 | if (!STRINGP (font)) | |
10509 | font = x_new_font (f, "-adobe-courier-medium-r-*-*-*-120-*-*-*-*-iso8859-1"); | |
10510 | if (!STRINGP (font)) | |
10511 | font = x_new_font (f, "-misc-fixed-medium-r-normal-*-*-140-*-*-c-*-iso8859-1"); | |
10512 | if (! STRINGP (font)) | |
10513 | font = x_new_font (f, "-*-*-medium-r-normal-*-*-140-*-*-c-*-iso8859-1"); | |
10514 | if (! STRINGP (font)) | |
10515 | /* This was formerly the first thing tried, but it finds too many fonts | |
10516 | and takes too long. */ | |
10517 | font = x_new_font (f, "-*-*-medium-r-*-*-*-*-*-*-c-*-iso8859-1"); | |
10518 | /* If those didn't work, look for something which will at least work. */ | |
10519 | if (! STRINGP (font)) | |
10520 | font = x_new_font (f, "-*-fixed-*-*-*-*-*-140-*-*-c-*-iso8859-1"); | |
10521 | UNBLOCK_INPUT; | |
10522 | if (! STRINGP (font)) | |
10523 | font = build_string ("fixed"); | |
10524 | ||
10525 | x_default_parameter (f, parms, Qfont, font, | |
10526 | "font", "Font", RES_TYPE_STRING); | |
10527 | } | |
10528 | ||
10529 | x_default_parameter (f, parms, Qborder_width, make_number (2), | |
10530 | "borderWidth", "BorderWidth", RES_TYPE_NUMBER); | |
10531 | ||
10532 | /* This defaults to 2 in order to match xterm. We recognize either | |
10533 | internalBorderWidth or internalBorder (which is what xterm calls | |
10534 | it). */ | |
10535 | if (NILP (Fassq (Qinternal_border_width, parms))) | |
10536 | { | |
10537 | Lisp_Object value; | |
10538 | ||
10539 | value = x_get_arg (dpyinfo, parms, Qinternal_border_width, | |
10540 | "internalBorder", "internalBorder", RES_TYPE_NUMBER); | |
10541 | if (! EQ (value, Qunbound)) | |
10542 | parms = Fcons (Fcons (Qinternal_border_width, value), | |
10543 | parms); | |
10544 | } | |
10545 | ||
10546 | x_default_parameter (f, parms, Qinternal_border_width, make_number (1), | |
10547 | "internalBorderWidth", "internalBorderWidth", | |
10548 | RES_TYPE_NUMBER); | |
10549 | ||
10550 | /* Also do the stuff which must be set before the window exists. */ | |
10551 | x_default_parameter (f, parms, Qforeground_color, build_string ("black"), | |
10552 | "foreground", "Foreground", RES_TYPE_STRING); | |
10553 | x_default_parameter (f, parms, Qbackground_color, build_string ("white"), | |
10554 | "background", "Background", RES_TYPE_STRING); | |
10555 | x_default_parameter (f, parms, Qmouse_color, build_string ("black"), | |
10556 | "pointerColor", "Foreground", RES_TYPE_STRING); | |
10557 | x_default_parameter (f, parms, Qcursor_color, build_string ("black"), | |
10558 | "cursorColor", "Foreground", RES_TYPE_STRING); | |
10559 | x_default_parameter (f, parms, Qborder_color, build_string ("black"), | |
10560 | "borderColor", "BorderColor", RES_TYPE_STRING); | |
10561 | ||
10562 | /* Init faces before x_default_parameter is called for scroll-bar | |
10563 | parameters because that function calls x_set_scroll_bar_width, | |
10564 | which calls change_frame_size, which calls Fset_window_buffer, | |
10565 | which runs hooks, which call Fvertical_motion. At the end, we | |
10566 | end up in init_iterator with a null face cache, which should not | |
10567 | happen. */ | |
10568 | init_frame_faces (f); | |
10569 | ||
10570 | f->output_data.x->parent_desc = FRAME_X_DISPLAY_INFO (f)->root_window; | |
10571 | window_prompting = x_figure_window_size (f, parms); | |
10572 | ||
10573 | if (window_prompting & XNegative) | |
10574 | { | |
10575 | if (window_prompting & YNegative) | |
10576 | f->output_data.x->win_gravity = SouthEastGravity; | |
10577 | else | |
10578 | f->output_data.x->win_gravity = NorthEastGravity; | |
10579 | } | |
10580 | else | |
10581 | { | |
10582 | if (window_prompting & YNegative) | |
10583 | f->output_data.x->win_gravity = SouthWestGravity; | |
10584 | else | |
10585 | f->output_data.x->win_gravity = NorthWestGravity; | |
10586 | } | |
10587 | ||
10588 | f->output_data.x->size_hint_flags = window_prompting; | |
10589 | { | |
10590 | XSetWindowAttributes attrs; | |
10591 | unsigned long mask; | |
10592 | ||
10593 | BLOCK_INPUT; | |
c51d2b5e GM |
10594 | mask = CWBackPixel | CWOverrideRedirect | CWEventMask; |
10595 | if (DoesSaveUnders (dpyinfo->screen)) | |
10596 | mask |= CWSaveUnder; | |
10597 | ||
9b2956e2 GM |
10598 | /* Window managers look at the override-redirect flag to determine |
10599 | whether or net to give windows a decoration (Xlib spec, chapter | |
333b20bb GM |
10600 | 3.2.8). */ |
10601 | attrs.override_redirect = True; | |
10602 | attrs.save_under = True; | |
10603 | attrs.background_pixel = FRAME_BACKGROUND_PIXEL (f); | |
10604 | /* Arrange for getting MapNotify and UnmapNotify events. */ | |
10605 | attrs.event_mask = StructureNotifyMask; | |
10606 | tip_window | |
10607 | = FRAME_X_WINDOW (f) | |
10608 | = XCreateWindow (FRAME_X_DISPLAY (f), | |
10609 | FRAME_X_DISPLAY_INFO (f)->root_window, | |
10610 | /* x, y, width, height */ | |
10611 | 0, 0, 1, 1, | |
10612 | /* Border. */ | |
10613 | 1, | |
10614 | CopyFromParent, InputOutput, CopyFromParent, | |
10615 | mask, &attrs); | |
10616 | UNBLOCK_INPUT; | |
10617 | } | |
10618 | ||
10619 | x_make_gc (f); | |
10620 | ||
333b20bb GM |
10621 | x_default_parameter (f, parms, Qauto_raise, Qnil, |
10622 | "autoRaise", "AutoRaiseLower", RES_TYPE_BOOLEAN); | |
10623 | x_default_parameter (f, parms, Qauto_lower, Qnil, | |
10624 | "autoLower", "AutoRaiseLower", RES_TYPE_BOOLEAN); | |
10625 | x_default_parameter (f, parms, Qcursor_type, Qbox, | |
10626 | "cursorType", "CursorType", RES_TYPE_SYMBOL); | |
10627 | ||
10628 | /* Dimensions, especially f->height, must be done via change_frame_size. | |
10629 | Change will not be effected unless different from the current | |
10630 | f->height. */ | |
10631 | width = f->width; | |
10632 | height = f->height; | |
10633 | f->height = 0; | |
10634 | SET_FRAME_WIDTH (f, 0); | |
8938a4fb | 10635 | change_frame_size (f, height, width, 1, 0, 0); |
333b20bb GM |
10636 | |
10637 | f->no_split = 1; | |
10638 | ||
10639 | UNGCPRO; | |
10640 | ||
10641 | /* It is now ok to make the frame official even if we get an error | |
10642 | below. And the frame needs to be on Vframe_list or making it | |
10643 | visible won't work. */ | |
10644 | Vframe_list = Fcons (frame, Vframe_list); | |
44b5a125 | 10645 | tip_frame = frame; |
333b20bb GM |
10646 | |
10647 | /* Now that the frame is official, it counts as a reference to | |
10648 | its display. */ | |
10649 | FRAME_X_DISPLAY_INFO (f)->reference_count++; | |
10650 | ||
eaf1eea9 | 10651 | /* Discard the unwind_protect. */ |
333b20bb GM |
10652 | return unbind_to (count, frame); |
10653 | } | |
10654 | ||
10655 | ||
0634ce98 | 10656 | DEFUN ("x-show-tip", Fx_show_tip, Sx_show_tip, 1, 6, 0, |
e82d09c9 | 10657 | "Show STRING in a \"tooltip\" window on frame FRAME.\n\ |
0634ce98 GM |
10658 | A tooltip window is a small X window displaying a string.\n\ |
10659 | \n\ | |
333b20bb | 10660 | FRAME nil or omitted means use the selected frame.\n\ |
0634ce98 | 10661 | \n\ |
333b20bb GM |
10662 | PARMS is an optional list of frame parameters which can be\n\ |
10663 | used to change the tooltip's appearance.\n\ | |
0634ce98 | 10664 | \n\ |
333b20bb | 10665 | Automatically hide the tooltip after TIMEOUT seconds.\n\ |
0634ce98 GM |
10666 | TIMEOUT nil means use the default timeout of 5 seconds.\n\ |
10667 | \n\ | |
10668 | If the list of frame parameters PARAMS contains a `left' parameters,\n\ | |
10669 | the tooltip is displayed at that x-position. Otherwise it is\n\ | |
10670 | displayed at the mouse position, with offset DX added (default is 5 if\n\ | |
10671 | DX isn't specified). Likewise for the y-position; if a `top' frame\n\ | |
10672 | parameter is specified, it determines the y-position of the tooltip\n\ | |
10673 | window, otherwise it is displayed at the mouse position, with offset\n\ | |
12c67a7f | 10674 | DY added (default is -10).") |
0634ce98 GM |
10675 | (string, frame, parms, timeout, dx, dy) |
10676 | Lisp_Object string, frame, parms, timeout, dx, dy; | |
333b20bb GM |
10677 | { |
10678 | struct frame *f; | |
10679 | struct window *w; | |
10680 | Window root, child; | |
0634ce98 | 10681 | Lisp_Object buffer, top, left; |
333b20bb GM |
10682 | struct buffer *old_buffer; |
10683 | struct text_pos pos; | |
10684 | int i, width, height; | |
10685 | int root_x, root_y, win_x, win_y; | |
10686 | unsigned pmask; | |
393f2d14 | 10687 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4; |
333b20bb GM |
10688 | int old_windows_or_buffers_changed = windows_or_buffers_changed; |
10689 | int count = specpdl_ptr - specpdl; | |
10690 | ||
10691 | specbind (Qinhibit_redisplay, Qt); | |
10692 | ||
393f2d14 | 10693 | GCPRO4 (string, parms, frame, timeout); |
333b20bb GM |
10694 | |
10695 | CHECK_STRING (string, 0); | |
10696 | f = check_x_frame (frame); | |
10697 | if (NILP (timeout)) | |
10698 | timeout = make_number (5); | |
10699 | else | |
10700 | CHECK_NATNUM (timeout, 2); | |
0634ce98 GM |
10701 | |
10702 | if (NILP (dx)) | |
10703 | dx = make_number (5); | |
10704 | else | |
10705 | CHECK_NUMBER (dx, 5); | |
10706 | ||
10707 | if (NILP (dy)) | |
12c67a7f | 10708 | dy = make_number (-10); |
0634ce98 GM |
10709 | else |
10710 | CHECK_NUMBER (dy, 6); | |
333b20bb GM |
10711 | |
10712 | /* Hide a previous tip, if any. */ | |
10713 | Fx_hide_tip (); | |
10714 | ||
10715 | /* Add default values to frame parameters. */ | |
10716 | if (NILP (Fassq (Qname, parms))) | |
10717 | parms = Fcons (Fcons (Qname, build_string ("tooltip")), parms); | |
10718 | if (NILP (Fassq (Qinternal_border_width, parms))) | |
10719 | parms = Fcons (Fcons (Qinternal_border_width, make_number (3)), parms); | |
10720 | if (NILP (Fassq (Qborder_width, parms))) | |
10721 | parms = Fcons (Fcons (Qborder_width, make_number (1)), parms); | |
10722 | if (NILP (Fassq (Qborder_color, parms))) | |
10723 | parms = Fcons (Fcons (Qborder_color, build_string ("lightyellow")), parms); | |
10724 | if (NILP (Fassq (Qbackground_color, parms))) | |
10725 | parms = Fcons (Fcons (Qbackground_color, build_string ("lightyellow")), | |
10726 | parms); | |
10727 | ||
10728 | /* Create a frame for the tooltip, and record it in the global | |
10729 | variable tip_frame. */ | |
10730 | frame = x_create_tip_frame (FRAME_X_DISPLAY_INFO (f), parms); | |
44b5a125 | 10731 | f = XFRAME (frame); |
333b20bb GM |
10732 | |
10733 | /* Set up the frame's root window. Currently we use a size of 80 | |
10734 | columns x 40 lines. If someone wants to show a larger tip, he | |
10735 | will loose. I don't think this is a realistic case. */ | |
10736 | w = XWINDOW (FRAME_ROOT_WINDOW (f)); | |
10737 | w->left = w->top = make_number (0); | |
6fc556fd KR |
10738 | w->width = make_number (80); |
10739 | w->height = make_number (40); | |
333b20bb GM |
10740 | adjust_glyphs (f); |
10741 | w->pseudo_window_p = 1; | |
10742 | ||
10743 | /* Display the tooltip text in a temporary buffer. */ | |
10744 | buffer = Fget_buffer_create (build_string (" *tip*")); | |
10745 | Fset_window_buffer (FRAME_ROOT_WINDOW (f), buffer); | |
10746 | old_buffer = current_buffer; | |
10747 | set_buffer_internal_1 (XBUFFER (buffer)); | |
10748 | Ferase_buffer (); | |
6fc556fd | 10749 | Finsert (1, &string); |
333b20bb GM |
10750 | clear_glyph_matrix (w->desired_matrix); |
10751 | clear_glyph_matrix (w->current_matrix); | |
10752 | SET_TEXT_POS (pos, BEGV, BEGV_BYTE); | |
10753 | try_window (FRAME_ROOT_WINDOW (f), pos); | |
10754 | ||
10755 | /* Compute width and height of the tooltip. */ | |
10756 | width = height = 0; | |
10757 | for (i = 0; i < w->desired_matrix->nrows; ++i) | |
10758 | { | |
10759 | struct glyph_row *row = &w->desired_matrix->rows[i]; | |
10760 | struct glyph *last; | |
10761 | int row_width; | |
10762 | ||
10763 | /* Stop at the first empty row at the end. */ | |
10764 | if (!row->enabled_p || !row->displays_text_p) | |
10765 | break; | |
10766 | ||
d7bf0342 GM |
10767 | /* Let the row go over the full width of the frame. */ |
10768 | row->full_width_p = 1; | |
333b20bb | 10769 | |
e3130015 | 10770 | /* There's a glyph at the end of rows that is used to place |
333b20bb GM |
10771 | the cursor there. Don't include the width of this glyph. */ |
10772 | if (row->used[TEXT_AREA]) | |
10773 | { | |
10774 | last = &row->glyphs[TEXT_AREA][row->used[TEXT_AREA] - 1]; | |
10775 | row_width = row->pixel_width - last->pixel_width; | |
10776 | } | |
10777 | else | |
10778 | row_width = row->pixel_width; | |
10779 | ||
10780 | height += row->height; | |
10781 | width = max (width, row_width); | |
10782 | } | |
10783 | ||
10784 | /* Add the frame's internal border to the width and height the X | |
10785 | window should have. */ | |
10786 | height += 2 * FRAME_INTERNAL_BORDER_WIDTH (f); | |
10787 | width += 2 * FRAME_INTERNAL_BORDER_WIDTH (f); | |
10788 | ||
0634ce98 GM |
10789 | /* User-specified position? */ |
10790 | left = Fcdr (Fassq (Qleft, parms)); | |
10791 | top = Fcdr (Fassq (Qtop, parms)); | |
10792 | ||
333b20bb GM |
10793 | /* Move the tooltip window where the mouse pointer is. Resize and |
10794 | show it. */ | |
10795 | BLOCK_INPUT; | |
10796 | XQueryPointer (FRAME_X_DISPLAY (f), FRAME_X_DISPLAY_INFO (f)->root_window, | |
10797 | &root, &child, &root_x, &root_y, &win_x, &win_y, &pmask); | |
0634ce98 GM |
10798 | UNBLOCK_INPUT; |
10799 | ||
10800 | root_x += XINT (dx); | |
10801 | root_y += XINT (dy); | |
10802 | ||
10803 | if (INTEGERP (left)) | |
10804 | root_x = XINT (left); | |
10805 | if (INTEGERP (top)) | |
10806 | root_y = XINT (top); | |
10807 | ||
10808 | BLOCK_INPUT; | |
333b20bb | 10809 | XMoveResizeWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
0634ce98 | 10810 | root_x, root_y - height, width, height); |
333b20bb GM |
10811 | XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
10812 | UNBLOCK_INPUT; | |
10813 | ||
10814 | /* Draw into the window. */ | |
10815 | w->must_be_updated_p = 1; | |
10816 | update_single_window (w, 1); | |
10817 | ||
10818 | /* Restore original current buffer. */ | |
10819 | set_buffer_internal_1 (old_buffer); | |
10820 | windows_or_buffers_changed = old_windows_or_buffers_changed; | |
10821 | ||
10822 | /* Let the tip disappear after timeout seconds. */ | |
10823 | tip_timer = call3 (intern ("run-at-time"), timeout, Qnil, | |
10824 | intern ("x-hide-tip")); | |
a744a2ec DL |
10825 | |
10826 | UNGCPRO; | |
333b20bb GM |
10827 | return unbind_to (count, Qnil); |
10828 | } | |
10829 | ||
10830 | ||
10831 | DEFUN ("x-hide-tip", Fx_hide_tip, Sx_hide_tip, 0, 0, 0, | |
e82d09c9 | 10832 | "Hide the current tooltip window, if there is any.\n\ |
333b20bb GM |
10833 | Value is t is tooltip was open, nil otherwise.") |
10834 | () | |
10835 | { | |
44b5a125 | 10836 | int count; |
c0006262 GM |
10837 | Lisp_Object deleted, frame, timer; |
10838 | struct gcpro gcpro1, gcpro2; | |
44b5a125 GM |
10839 | |
10840 | /* Return quickly if nothing to do. */ | |
c0006262 | 10841 | if (NILP (tip_timer) && NILP (tip_frame)) |
44b5a125 | 10842 | return Qnil; |
333b20bb | 10843 | |
c0006262 GM |
10844 | frame = tip_frame; |
10845 | timer = tip_timer; | |
10846 | GCPRO2 (frame, timer); | |
10847 | tip_frame = tip_timer = deleted = Qnil; | |
10848 | ||
44b5a125 | 10849 | count = BINDING_STACK_SIZE (); |
333b20bb | 10850 | specbind (Qinhibit_redisplay, Qt); |
44b5a125 | 10851 | specbind (Qinhibit_quit, Qt); |
333b20bb | 10852 | |
c0006262 GM |
10853 | if (!NILP (timer)) |
10854 | call1 (intern ("cancel-timer"), timer); | |
333b20bb | 10855 | |
c0006262 | 10856 | if (FRAMEP (frame)) |
333b20bb | 10857 | { |
44b5a125 GM |
10858 | Fdelete_frame (frame, Qnil); |
10859 | deleted = Qt; | |
f6c44811 GM |
10860 | |
10861 | #ifdef USE_LUCID | |
10862 | /* Bloodcurdling hack alert: The Lucid menu bar widget's | |
10863 | redisplay procedure is not called when a tip frame over menu | |
10864 | items is unmapped. Redisplay the menu manually... */ | |
10865 | { | |
10866 | struct frame *f = SELECTED_FRAME (); | |
10867 | Widget w = f->output_data.x->menubar_widget; | |
10868 | extern void xlwmenu_redisplay P_ ((Widget)); | |
10869 | ||
10870 | if (!DoesSaveUnders (FRAME_X_DISPLAY_INFO (f)->screen) | |
10871 | && w != None) | |
10872 | { | |
10873 | BLOCK_INPUT; | |
10874 | xlwmenu_redisplay (w); | |
10875 | UNBLOCK_INPUT; | |
10876 | } | |
10877 | } | |
10878 | #endif /* USE_LUCID */ | |
333b20bb GM |
10879 | } |
10880 | ||
c0006262 | 10881 | UNGCPRO; |
44b5a125 | 10882 | return unbind_to (count, deleted); |
333b20bb GM |
10883 | } |
10884 | ||
10885 | ||
10886 | \f | |
10887 | /*********************************************************************** | |
10888 | File selection dialog | |
10889 | ***********************************************************************/ | |
10890 | ||
10891 | #ifdef USE_MOTIF | |
10892 | ||
10893 | /* Callback for "OK" and "Cancel" on file selection dialog. */ | |
10894 | ||
10895 | static void | |
10896 | file_dialog_cb (widget, client_data, call_data) | |
10897 | Widget widget; | |
10898 | XtPointer call_data, client_data; | |
10899 | { | |
10900 | int *result = (int *) client_data; | |
10901 | XmAnyCallbackStruct *cb = (XmAnyCallbackStruct *) call_data; | |
10902 | *result = cb->reason; | |
10903 | } | |
10904 | ||
10905 | ||
10906 | DEFUN ("x-file-dialog", Fx_file_dialog, Sx_file_dialog, 2, 4, 0, | |
10907 | "Read file name, prompting with PROMPT in directory DIR.\n\ | |
10908 | Use a file selection dialog.\n\ | |
10909 | Select DEFAULT-FILENAME in the dialog's file selection box, if\n\ | |
10910 | specified. Don't let the user enter a file name in the file\n\ | |
10911 | selection dialog's entry field, if MUSTMATCH is non-nil.") | |
10912 | (prompt, dir, default_filename, mustmatch) | |
10913 | Lisp_Object prompt, dir, default_filename, mustmatch; | |
10914 | { | |
10915 | int result; | |
0fe92f72 | 10916 | struct frame *f = SELECTED_FRAME (); |
333b20bb GM |
10917 | Lisp_Object file = Qnil; |
10918 | Widget dialog, text, list, help; | |
10919 | Arg al[10]; | |
10920 | int ac = 0; | |
10921 | extern XtAppContext Xt_app_con; | |
10922 | char *title; | |
10923 | XmString dir_xmstring, pattern_xmstring; | |
10924 | int popup_activated_flag; | |
10925 | int count = specpdl_ptr - specpdl; | |
10926 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5; | |
10927 | ||
10928 | GCPRO5 (prompt, dir, default_filename, mustmatch, file); | |
10929 | CHECK_STRING (prompt, 0); | |
10930 | CHECK_STRING (dir, 1); | |
10931 | ||
10932 | /* Prevent redisplay. */ | |
10933 | specbind (Qinhibit_redisplay, Qt); | |
10934 | ||
10935 | BLOCK_INPUT; | |
10936 | ||
10937 | /* Create the dialog with PROMPT as title, using DIR as initial | |
10938 | directory and using "*" as pattern. */ | |
10939 | dir = Fexpand_file_name (dir, Qnil); | |
10940 | dir_xmstring = XmStringCreateLocalized (XSTRING (dir)->data); | |
10941 | pattern_xmstring = XmStringCreateLocalized ("*"); | |
10942 | ||
10943 | XtSetArg (al[ac], XmNtitle, XSTRING (prompt)->data); ++ac; | |
10944 | XtSetArg (al[ac], XmNdirectory, dir_xmstring); ++ac; | |
10945 | XtSetArg (al[ac], XmNpattern, pattern_xmstring); ++ac; | |
10946 | XtSetArg (al[ac], XmNresizePolicy, XmRESIZE_GROW); ++ac; | |
10947 | XtSetArg (al[ac], XmNdialogStyle, XmDIALOG_APPLICATION_MODAL); ++ac; | |
10948 | dialog = XmCreateFileSelectionDialog (f->output_data.x->widget, | |
10949 | "fsb", al, ac); | |
10950 | XmStringFree (dir_xmstring); | |
10951 | XmStringFree (pattern_xmstring); | |
10952 | ||
10953 | /* Add callbacks for OK and Cancel. */ | |
10954 | XtAddCallback (dialog, XmNokCallback, file_dialog_cb, | |
10955 | (XtPointer) &result); | |
10956 | XtAddCallback (dialog, XmNcancelCallback, file_dialog_cb, | |
10957 | (XtPointer) &result); | |
10958 | ||
10959 | /* Disable the help button since we can't display help. */ | |
10960 | help = XmFileSelectionBoxGetChild (dialog, XmDIALOG_HELP_BUTTON); | |
10961 | XtSetSensitive (help, False); | |
10962 | ||
10963 | /* Mark OK button as default. */ | |
10964 | XtVaSetValues (XmFileSelectionBoxGetChild (dialog, XmDIALOG_OK_BUTTON), | |
10965 | XmNshowAsDefault, True, NULL); | |
10966 | ||
10967 | /* If MUSTMATCH is non-nil, disable the file entry field of the | |
10968 | dialog, so that the user must select a file from the files list | |
10969 | box. We can't remove it because we wouldn't have a way to get at | |
10970 | the result file name, then. */ | |
10971 | text = XmFileSelectionBoxGetChild (dialog, XmDIALOG_TEXT); | |
10972 | if (!NILP (mustmatch)) | |
10973 | { | |
10974 | Widget label; | |
10975 | label = XmFileSelectionBoxGetChild (dialog, XmDIALOG_SELECTION_LABEL); | |
10976 | XtSetSensitive (text, False); | |
10977 | XtSetSensitive (label, False); | |
10978 | } | |
10979 | ||
10980 | /* Manage the dialog, so that list boxes get filled. */ | |
10981 | XtManageChild (dialog); | |
10982 | ||
10983 | /* Select DEFAULT_FILENAME in the files list box. DEFAULT_FILENAME | |
10984 | must include the path for this to work. */ | |
10985 | list = XmFileSelectionBoxGetChild (dialog, XmDIALOG_LIST); | |
10986 | if (STRINGP (default_filename)) | |
10987 | { | |
10988 | XmString default_xmstring; | |
10989 | int item_pos; | |
10990 | ||
10991 | default_xmstring | |
10992 | = XmStringCreateLocalized (XSTRING (default_filename)->data); | |
10993 | ||
10994 | if (!XmListItemExists (list, default_xmstring)) | |
10995 | { | |
10996 | /* Add a new item if DEFAULT_FILENAME is not in the list. */ | |
10997 | XmListAddItem (list, default_xmstring, 0); | |
10998 | item_pos = 0; | |
10999 | } | |
11000 | else | |
11001 | item_pos = XmListItemPos (list, default_xmstring); | |
11002 | XmStringFree (default_xmstring); | |
11003 | ||
11004 | /* Select the item and scroll it into view. */ | |
11005 | XmListSelectPos (list, item_pos, True); | |
11006 | XmListSetPos (list, item_pos); | |
11007 | } | |
11008 | ||
03100098 GM |
11009 | #ifdef HAVE_MOTIF_2_1 |
11010 | ||
11011 | /* Process events until the user presses Cancel or OK. */ | |
11012 | result = 0; | |
11013 | while (result == 0 || XtAppPending (Xt_app_con)) | |
11014 | XtAppProcessEvent (Xt_app_con, XtIMAll); | |
11015 | ||
11016 | #else /* not HAVE_MOTIF_2_1 */ | |
11017 | ||
333b20bb GM |
11018 | /* Process all events until the user presses Cancel or OK. */ |
11019 | for (result = 0; result == 0;) | |
11020 | { | |
11021 | XEvent event; | |
11022 | Widget widget, parent; | |
11023 | ||
11024 | XtAppNextEvent (Xt_app_con, &event); | |
11025 | ||
11026 | /* See if the receiver of the event is one of the widgets of | |
11027 | the file selection dialog. If so, dispatch it. If not, | |
11028 | discard it. */ | |
11029 | widget = XtWindowToWidget (event.xany.display, event.xany.window); | |
11030 | parent = widget; | |
11031 | while (parent && parent != dialog) | |
11032 | parent = XtParent (parent); | |
03100098 | 11033 | |
333b20bb GM |
11034 | if (parent == dialog |
11035 | || (event.type == Expose | |
11036 | && !process_expose_from_menu (event))) | |
11037 | XtDispatchEvent (&event); | |
11038 | } | |
11039 | ||
03100098 GM |
11040 | #endif /* not HAVE_MOTIF_2_1 */ |
11041 | ||
333b20bb GM |
11042 | /* Get the result. */ |
11043 | if (result == XmCR_OK) | |
11044 | { | |
11045 | XmString text; | |
11046 | String data; | |
11047 | ||
d1670063 | 11048 | XtVaGetValues (dialog, XmNtextString, &text, NULL); |
333b20bb GM |
11049 | XmStringGetLtoR (text, XmFONTLIST_DEFAULT_TAG, &data); |
11050 | XmStringFree (text); | |
11051 | file = build_string (data); | |
11052 | XtFree (data); | |
11053 | } | |
11054 | else | |
11055 | file = Qnil; | |
11056 | ||
11057 | /* Clean up. */ | |
11058 | XtUnmanageChild (dialog); | |
11059 | XtDestroyWidget (dialog); | |
11060 | UNBLOCK_INPUT; | |
11061 | UNGCPRO; | |
11062 | ||
11063 | /* Make "Cancel" equivalent to C-g. */ | |
11064 | if (NILP (file)) | |
11065 | Fsignal (Qquit, Qnil); | |
11066 | ||
11067 | return unbind_to (count, file); | |
11068 | } | |
11069 | ||
11070 | #endif /* USE_MOTIF */ | |
11071 | ||
333b20bb GM |
11072 | |
11073 | \f | |
82bab41c GM |
11074 | /*********************************************************************** |
11075 | Keyboard | |
11076 | ***********************************************************************/ | |
11077 | ||
11078 | #ifdef HAVE_XKBGETKEYBOARD | |
11079 | #include <X11/XKBlib.h> | |
11080 | #include <X11/keysym.h> | |
11081 | #endif | |
11082 | ||
11083 | DEFUN ("x-backspace-delete-keys-p", Fx_backspace_delete_keys_p, | |
11084 | Sx_backspace_delete_keys_p, 0, 1, 0, | |
11085 | "Check if both Backspace and Delete keys are on the keyboard of FRAME.\n\ | |
11086 | FRAME nil means use the selected frame.\n\ | |
11087 | Value is t if we know that both keys are present, and are mapped to the\n\ | |
11088 | usual X keysyms.") | |
11089 | (frame) | |
11090 | Lisp_Object frame; | |
11091 | { | |
11092 | #ifdef HAVE_XKBGETKEYBOARD | |
11093 | XkbDescPtr kb; | |
11094 | struct frame *f = check_x_frame (frame); | |
11095 | Display *dpy = FRAME_X_DISPLAY (f); | |
11096 | Lisp_Object have_keys; | |
46f6a258 | 11097 | int major, minor, op, event, error; |
82bab41c GM |
11098 | |
11099 | BLOCK_INPUT; | |
46f6a258 GM |
11100 | |
11101 | /* Check library version in case we're dynamically linked. */ | |
11102 | major = XkbMajorVersion; | |
11103 | minor = XkbMinorVersion; | |
11104 | if (!XkbLibraryVersion (&major, &minor)) | |
11105 | return Qnil; | |
11106 | ||
11107 | /* Check that the server supports XKB. */ | |
11108 | major = XkbMajorVersion; | |
11109 | minor = XkbMinorVersion; | |
11110 | if (!XkbQueryExtension (dpy, &op, &event, &error, &major, &minor)) | |
11111 | return Qnil; | |
11112 | ||
11113 | have_keys = Qnil; | |
82bab41c GM |
11114 | kb = XkbGetKeyboard (dpy, XkbAllComponentsMask, XkbUseCoreKbd); |
11115 | if (kb) | |
11116 | { | |
11117 | int delete_keycode = 0, backspace_keycode = 0, i; | |
11118 | ||
11119 | for (i = kb->min_key_code; | |
11120 | (i < kb->max_key_code | |
11121 | && (delete_keycode == 0 || backspace_keycode == 0)); | |
11122 | ++i) | |
11123 | { | |
11124 | /* The XKB symbolic key names can be seen most easily | |
11125 | in the PS file generated by `xkbprint -label name $DISPLAY'. */ | |
11126 | if (bcmp ("DELE", kb->names->keys[i].name, 4) == 0) | |
11127 | delete_keycode = i; | |
11128 | else if (bcmp ("BKSP", kb->names->keys[i].name, 4) == 0) | |
11129 | backspace_keycode = i; | |
11130 | } | |
11131 | ||
46f6a258 | 11132 | XkbFreeKeyboard (kb, 0, True); |
82bab41c GM |
11133 | |
11134 | if (delete_keycode | |
11135 | && backspace_keycode | |
11136 | && XKeysymToKeycode (dpy, XK_Delete) == delete_keycode | |
11137 | && XKeysymToKeycode (dpy, XK_BackSpace) == backspace_keycode) | |
11138 | have_keys = Qt; | |
11139 | } | |
11140 | UNBLOCK_INPUT; | |
11141 | return have_keys; | |
11142 | #else /* not HAVE_XKBGETKEYBOARD */ | |
11143 | return Qnil; | |
11144 | #endif /* not HAVE_XKBGETKEYBOARD */ | |
11145 | } | |
11146 | ||
11147 | ||
11148 | \f | |
333b20bb GM |
11149 | /*********************************************************************** |
11150 | Initialization | |
11151 | ***********************************************************************/ | |
11152 | ||
11153 | void | |
11154 | syms_of_xfns () | |
11155 | { | |
11156 | /* This is zero if not using X windows. */ | |
11157 | x_in_use = 0; | |
11158 | ||
11159 | /* The section below is built by the lisp expression at the top of the file, | |
11160 | just above where these variables are declared. */ | |
11161 | /*&&& init symbols here &&&*/ | |
11162 | Qauto_raise = intern ("auto-raise"); | |
11163 | staticpro (&Qauto_raise); | |
11164 | Qauto_lower = intern ("auto-lower"); | |
11165 | staticpro (&Qauto_lower); | |
11166 | Qbar = intern ("bar"); | |
dbc4e1c1 | 11167 | staticpro (&Qbar); |
f9942c9e JB |
11168 | Qborder_color = intern ("border-color"); |
11169 | staticpro (&Qborder_color); | |
11170 | Qborder_width = intern ("border-width"); | |
11171 | staticpro (&Qborder_width); | |
dbc4e1c1 JB |
11172 | Qbox = intern ("box"); |
11173 | staticpro (&Qbox); | |
f9942c9e JB |
11174 | Qcursor_color = intern ("cursor-color"); |
11175 | staticpro (&Qcursor_color); | |
dbc4e1c1 JB |
11176 | Qcursor_type = intern ("cursor-type"); |
11177 | staticpro (&Qcursor_type); | |
f9942c9e JB |
11178 | Qgeometry = intern ("geometry"); |
11179 | staticpro (&Qgeometry); | |
f9942c9e JB |
11180 | Qicon_left = intern ("icon-left"); |
11181 | staticpro (&Qicon_left); | |
11182 | Qicon_top = intern ("icon-top"); | |
11183 | staticpro (&Qicon_top); | |
11184 | Qicon_type = intern ("icon-type"); | |
11185 | staticpro (&Qicon_type); | |
80534dd6 KH |
11186 | Qicon_name = intern ("icon-name"); |
11187 | staticpro (&Qicon_name); | |
f9942c9e JB |
11188 | Qinternal_border_width = intern ("internal-border-width"); |
11189 | staticpro (&Qinternal_border_width); | |
11190 | Qleft = intern ("left"); | |
11191 | staticpro (&Qleft); | |
1ab3d87e RS |
11192 | Qright = intern ("right"); |
11193 | staticpro (&Qright); | |
f9942c9e JB |
11194 | Qmouse_color = intern ("mouse-color"); |
11195 | staticpro (&Qmouse_color); | |
baaed68e JB |
11196 | Qnone = intern ("none"); |
11197 | staticpro (&Qnone); | |
f9942c9e JB |
11198 | Qparent_id = intern ("parent-id"); |
11199 | staticpro (&Qparent_id); | |
4701395c KH |
11200 | Qscroll_bar_width = intern ("scroll-bar-width"); |
11201 | staticpro (&Qscroll_bar_width); | |
8af1d7ca JB |
11202 | Qsuppress_icon = intern ("suppress-icon"); |
11203 | staticpro (&Qsuppress_icon); | |
01f1ba30 | 11204 | Qundefined_color = intern ("undefined-color"); |
f9942c9e | 11205 | staticpro (&Qundefined_color); |
a3c87d4e JB |
11206 | Qvertical_scroll_bars = intern ("vertical-scroll-bars"); |
11207 | staticpro (&Qvertical_scroll_bars); | |
49795535 JB |
11208 | Qvisibility = intern ("visibility"); |
11209 | staticpro (&Qvisibility); | |
f9942c9e JB |
11210 | Qwindow_id = intern ("window-id"); |
11211 | staticpro (&Qwindow_id); | |
2cbebefb RS |
11212 | Qouter_window_id = intern ("outer-window-id"); |
11213 | staticpro (&Qouter_window_id); | |
f9942c9e JB |
11214 | Qx_frame_parameter = intern ("x-frame-parameter"); |
11215 | staticpro (&Qx_frame_parameter); | |
9ef48a9d RS |
11216 | Qx_resource_name = intern ("x-resource-name"); |
11217 | staticpro (&Qx_resource_name); | |
4fe1de12 RS |
11218 | Quser_position = intern ("user-position"); |
11219 | staticpro (&Quser_position); | |
11220 | Quser_size = intern ("user-size"); | |
11221 | staticpro (&Quser_size); | |
333b20bb GM |
11222 | Qscroll_bar_foreground = intern ("scroll-bar-foreground"); |
11223 | staticpro (&Qscroll_bar_foreground); | |
11224 | Qscroll_bar_background = intern ("scroll-bar-background"); | |
11225 | staticpro (&Qscroll_bar_background); | |
d62c8769 GM |
11226 | Qscreen_gamma = intern ("screen-gamma"); |
11227 | staticpro (&Qscreen_gamma); | |
563b67aa GM |
11228 | Qline_spacing = intern ("line-spacing"); |
11229 | staticpro (&Qline_spacing); | |
7c7ff7f5 GM |
11230 | Qcenter = intern ("center"); |
11231 | staticpro (&Qcenter); | |
96db09e4 KH |
11232 | Qcompound_text = intern ("compound-text"); |
11233 | staticpro (&Qcompound_text); | |
f9942c9e JB |
11234 | /* This is the end of symbol initialization. */ |
11235 | ||
58cad5ed KH |
11236 | /* Text property `display' should be nonsticky by default. */ |
11237 | Vtext_property_default_nonsticky | |
11238 | = Fcons (Fcons (Qdisplay, Qt), Vtext_property_default_nonsticky); | |
11239 | ||
11240 | ||
333b20bb GM |
11241 | Qlaplace = intern ("laplace"); |
11242 | staticpro (&Qlaplace); | |
4a8e312c GM |
11243 | Qemboss = intern ("emboss"); |
11244 | staticpro (&Qemboss); | |
11245 | Qedge_detection = intern ("edge-detection"); | |
11246 | staticpro (&Qedge_detection); | |
11247 | Qheuristic = intern ("heuristic"); | |
11248 | staticpro (&Qheuristic); | |
11249 | QCmatrix = intern (":matrix"); | |
11250 | staticpro (&QCmatrix); | |
11251 | QCcolor_adjustment = intern (":color-adjustment"); | |
11252 | staticpro (&QCcolor_adjustment); | |
11253 | QCmask = intern (":mask"); | |
11254 | staticpro (&QCmask); | |
11255 | ||
a367641f RS |
11256 | Qface_set_after_frame_default = intern ("face-set-after-frame-default"); |
11257 | staticpro (&Qface_set_after_frame_default); | |
11258 | ||
01f1ba30 JB |
11259 | Fput (Qundefined_color, Qerror_conditions, |
11260 | Fcons (Qundefined_color, Fcons (Qerror, Qnil))); | |
11261 | Fput (Qundefined_color, Qerror_message, | |
11262 | build_string ("Undefined color")); | |
11263 | ||
f9942c9e JB |
11264 | init_x_parm_symbols (); |
11265 | ||
14819cb3 GM |
11266 | DEFVAR_BOOL ("cross-disabled-images", &cross_disabled_images, |
11267 | "Non-nil means always draw a cross over disabled images.\n\ | |
11268 | Disabled images are those having an `:algorithm disabled' property.\n\ | |
11269 | A cross is always drawn on black & white displays."); | |
11270 | cross_disabled_images = 0; | |
11271 | ||
f1c7b5a6 RS |
11272 | DEFVAR_LISP ("x-bitmap-file-path", &Vx_bitmap_file_path, |
11273 | "List of directories to search for bitmap files for X."); | |
e241c09b | 11274 | Vx_bitmap_file_path = decode_env_path ((char *) 0, PATH_BITMAPS); |
f1c7b5a6 | 11275 | |
16ae08a9 | 11276 | DEFVAR_LISP ("x-pointer-shape", &Vx_pointer_shape, |
d387c960 | 11277 | "The shape of the pointer when over text.\n\ |
af01ef26 RS |
11278 | Changing the value does not affect existing frames\n\ |
11279 | unless you set the mouse color."); | |
01f1ba30 JB |
11280 | Vx_pointer_shape = Qnil; |
11281 | ||
d387c960 | 11282 | DEFVAR_LISP ("x-resource-name", &Vx_resource_name, |
498e9ac3 | 11283 | "The name Emacs uses to look up X resources.\n\ |
d387c960 JB |
11284 | `x-get-resource' uses this as the first component of the instance name\n\ |
11285 | when requesting resource values.\n\ | |
11286 | Emacs initially sets `x-resource-name' to the name under which Emacs\n\ | |
11287 | was invoked, or to the value specified with the `-name' or `-rn'\n\ | |
498e9ac3 RS |
11288 | switches, if present.\n\ |
11289 | \n\ | |
11290 | It may be useful to bind this variable locally around a call\n\ | |
11291 | to `x-get-resource'. See also the variable `x-resource-class'."); | |
d387c960 | 11292 | Vx_resource_name = Qnil; |
ac63d3d6 | 11293 | |
498e9ac3 RS |
11294 | DEFVAR_LISP ("x-resource-class", &Vx_resource_class, |
11295 | "The class Emacs uses to look up X resources.\n\ | |
11296 | `x-get-resource' uses this as the first component of the instance class\n\ | |
11297 | when requesting resource values.\n\ | |
11298 | Emacs initially sets `x-resource-class' to \"Emacs\".\n\ | |
11299 | \n\ | |
11300 | Setting this variable permanently is not a reasonable thing to do,\n\ | |
11301 | but binding this variable locally around a call to `x-get-resource'\n\ | |
333b20bb | 11302 | is a reasonable practice. See also the variable `x-resource-name'."); |
498e9ac3 RS |
11303 | Vx_resource_class = build_string (EMACS_CLASS); |
11304 | ||
ca0ecbf5 | 11305 | #if 0 /* This doesn't really do anything. */ |
d3b06468 | 11306 | DEFVAR_LISP ("x-nontext-pointer-shape", &Vx_nontext_pointer_shape, |
ca0ecbf5 RS |
11307 | "The shape of the pointer when not over text.\n\ |
11308 | This variable takes effect when you create a new frame\n\ | |
11309 | or when you set the mouse color."); | |
af01ef26 | 11310 | #endif |
01f1ba30 JB |
11311 | Vx_nontext_pointer_shape = Qnil; |
11312 | ||
333b20bb GM |
11313 | DEFVAR_LISP ("x-busy-pointer-shape", &Vx_busy_pointer_shape, |
11314 | "The shape of the pointer when Emacs is busy.\n\ | |
11315 | This variable takes effect when you create a new frame\n\ | |
11316 | or when you set the mouse color."); | |
11317 | Vx_busy_pointer_shape = Qnil; | |
11318 | ||
11319 | DEFVAR_BOOL ("display-busy-cursor", &display_busy_cursor_p, | |
11320 | "Non-zero means Emacs displays a busy cursor on window systems."); | |
11321 | display_busy_cursor_p = 1; | |
11322 | ||
4ae9a85e GM |
11323 | DEFVAR_LISP ("busy-cursor-delay", &Vbusy_cursor_delay, |
11324 | "*Seconds to wait before displaying a busy-cursor.\n\ | |
3caa99d3 | 11325 | Value must be an integer or float."); |
4ae9a85e GM |
11326 | Vbusy_cursor_delay = make_number (DEFAULT_BUSY_CURSOR_DELAY); |
11327 | ||
ca0ecbf5 | 11328 | #if 0 /* This doesn't really do anything. */ |
d3b06468 | 11329 | DEFVAR_LISP ("x-mode-pointer-shape", &Vx_mode_pointer_shape, |
ca0ecbf5 RS |
11330 | "The shape of the pointer when over the mode line.\n\ |
11331 | This variable takes effect when you create a new frame\n\ | |
11332 | or when you set the mouse color."); | |
af01ef26 | 11333 | #endif |
01f1ba30 JB |
11334 | Vx_mode_pointer_shape = Qnil; |
11335 | ||
d3b06468 | 11336 | DEFVAR_LISP ("x-sensitive-text-pointer-shape", |
ca0ecbf5 RS |
11337 | &Vx_sensitive_text_pointer_shape, |
11338 | "The shape of the pointer when over mouse-sensitive text.\n\ | |
11339 | This variable takes effect when you create a new frame\n\ | |
11340 | or when you set the mouse color."); | |
11341 | Vx_sensitive_text_pointer_shape = Qnil; | |
95f80c78 | 11342 | |
8fb4ec9c GM |
11343 | DEFVAR_LISP ("x-window-horizontal-drag-cursor", |
11344 | &Vx_window_horizontal_drag_shape, | |
11345 | "Pointer shape to use for indicating a window can be dragged horizontally.\n\ | |
11346 | This variable takes effect when you create a new frame\n\ | |
11347 | or when you set the mouse color."); | |
11348 | Vx_window_horizontal_drag_shape = Qnil; | |
11349 | ||
01f1ba30 JB |
11350 | DEFVAR_LISP ("x-cursor-fore-pixel", &Vx_cursor_fore_pixel, |
11351 | "A string indicating the foreground color of the cursor box."); | |
11352 | Vx_cursor_fore_pixel = Qnil; | |
11353 | ||
01f1ba30 | 11354 | DEFVAR_LISP ("x-no-window-manager", &Vx_no_window_manager, |
2d38195d RS |
11355 | "Non-nil if no X window manager is in use.\n\ |
11356 | Emacs doesn't try to figure this out; this is always nil\n\ | |
11357 | unless you set it to something else."); | |
11358 | /* We don't have any way to find this out, so set it to nil | |
11359 | and maybe the user would like to set it to t. */ | |
11360 | Vx_no_window_manager = Qnil; | |
1d3dac41 | 11361 | |
942ea06d KH |
11362 | DEFVAR_LISP ("x-pixel-size-width-font-regexp", |
11363 | &Vx_pixel_size_width_font_regexp, | |
11364 | "Regexp matching a font name whose width is the same as `PIXEL_SIZE'.\n\ | |
11365 | \n\ | |
dcc13cda | 11366 | Since Emacs gets width of a font matching with this regexp from\n\ |
942ea06d KH |
11367 | PIXEL_SIZE field of the name, font finding mechanism gets faster for\n\ |
11368 | such a font. This is especially effective for such large fonts as\n\ | |
11369 | Chinese, Japanese, and Korean."); | |
11370 | Vx_pixel_size_width_font_regexp = Qnil; | |
11371 | ||
fcf431dc | 11372 | DEFVAR_LISP ("image-cache-eviction-delay", &Vimage_cache_eviction_delay, |
333b20bb GM |
11373 | "Time after which cached images are removed from the cache.\n\ |
11374 | When an image has not been displayed this many seconds, remove it\n\ | |
11375 | from the image cache. Value must be an integer or nil with nil\n\ | |
11376 | meaning don't clear the cache."); | |
fcf431dc | 11377 | Vimage_cache_eviction_delay = make_number (30 * 60); |
333b20bb | 11378 | |
1d3dac41 | 11379 | #ifdef USE_X_TOOLKIT |
f1d238ef | 11380 | Fprovide (intern ("x-toolkit")); |
1d3dac41 | 11381 | #endif |
5b827abb KH |
11382 | #ifdef USE_MOTIF |
11383 | Fprovide (intern ("motif")); | |
11384 | #endif | |
01f1ba30 | 11385 | |
01f1ba30 | 11386 | defsubr (&Sx_get_resource); |
333b20bb GM |
11387 | |
11388 | /* X window properties. */ | |
11389 | defsubr (&Sx_change_window_property); | |
11390 | defsubr (&Sx_delete_window_property); | |
11391 | defsubr (&Sx_window_property); | |
11392 | ||
2d764c78 | 11393 | defsubr (&Sxw_display_color_p); |
d0c9d219 | 11394 | defsubr (&Sx_display_grayscale_p); |
2d764c78 EZ |
11395 | defsubr (&Sxw_color_defined_p); |
11396 | defsubr (&Sxw_color_values); | |
9d317b2c | 11397 | defsubr (&Sx_server_max_request_size); |
41beb8fc RS |
11398 | defsubr (&Sx_server_vendor); |
11399 | defsubr (&Sx_server_version); | |
11400 | defsubr (&Sx_display_pixel_width); | |
11401 | defsubr (&Sx_display_pixel_height); | |
11402 | defsubr (&Sx_display_mm_width); | |
11403 | defsubr (&Sx_display_mm_height); | |
11404 | defsubr (&Sx_display_screens); | |
11405 | defsubr (&Sx_display_planes); | |
11406 | defsubr (&Sx_display_color_cells); | |
11407 | defsubr (&Sx_display_visual_class); | |
11408 | defsubr (&Sx_display_backing_store); | |
11409 | defsubr (&Sx_display_save_under); | |
8af1d7ca | 11410 | defsubr (&Sx_parse_geometry); |
f676886a | 11411 | defsubr (&Sx_create_frame); |
01f1ba30 | 11412 | defsubr (&Sx_open_connection); |
08a90d6a RS |
11413 | defsubr (&Sx_close_connection); |
11414 | defsubr (&Sx_display_list); | |
01f1ba30 | 11415 | defsubr (&Sx_synchronize); |
3decc1e7 | 11416 | defsubr (&Sx_focus_frame); |
82bab41c GM |
11417 | defsubr (&Sx_backspace_delete_keys_p); |
11418 | ||
942ea06d KH |
11419 | /* Setting callback functions for fontset handler. */ |
11420 | get_font_info_func = x_get_font_info; | |
333b20bb GM |
11421 | |
11422 | #if 0 /* This function pointer doesn't seem to be used anywhere. | |
11423 | And the pointer assigned has the wrong type, anyway. */ | |
942ea06d | 11424 | list_fonts_func = x_list_fonts; |
333b20bb GM |
11425 | #endif |
11426 | ||
942ea06d | 11427 | load_font_func = x_load_font; |
bc1958c4 | 11428 | find_ccl_program_func = x_find_ccl_program; |
942ea06d KH |
11429 | query_font_func = x_query_font; |
11430 | set_frame_fontset_func = x_set_font; | |
11431 | check_window_system_func = check_x; | |
333b20bb GM |
11432 | |
11433 | /* Images. */ | |
11434 | Qxbm = intern ("xbm"); | |
11435 | staticpro (&Qxbm); | |
11436 | QCtype = intern (":type"); | |
11437 | staticpro (&QCtype); | |
333b20bb GM |
11438 | QCalgorithm = intern (":algorithm"); |
11439 | staticpro (&QCalgorithm); | |
11440 | QCheuristic_mask = intern (":heuristic-mask"); | |
11441 | staticpro (&QCheuristic_mask); | |
11442 | QCcolor_symbols = intern (":color-symbols"); | |
11443 | staticpro (&QCcolor_symbols); | |
333b20bb GM |
11444 | QCascent = intern (":ascent"); |
11445 | staticpro (&QCascent); | |
11446 | QCmargin = intern (":margin"); | |
11447 | staticpro (&QCmargin); | |
11448 | QCrelief = intern (":relief"); | |
11449 | staticpro (&QCrelief); | |
fcf431dc GM |
11450 | Qpostscript = intern ("postscript"); |
11451 | staticpro (&Qpostscript); | |
333b20bb GM |
11452 | QCloader = intern (":loader"); |
11453 | staticpro (&QCloader); | |
11454 | QCbounding_box = intern (":bounding-box"); | |
11455 | staticpro (&QCbounding_box); | |
11456 | QCpt_width = intern (":pt-width"); | |
11457 | staticpro (&QCpt_width); | |
11458 | QCpt_height = intern (":pt-height"); | |
11459 | staticpro (&QCpt_height); | |
3ccff1e3 GM |
11460 | QCindex = intern (":index"); |
11461 | staticpro (&QCindex); | |
333b20bb GM |
11462 | Qpbm = intern ("pbm"); |
11463 | staticpro (&Qpbm); | |
11464 | ||
11465 | #if HAVE_XPM | |
11466 | Qxpm = intern ("xpm"); | |
11467 | staticpro (&Qxpm); | |
11468 | #endif | |
11469 | ||
11470 | #if HAVE_JPEG | |
11471 | Qjpeg = intern ("jpeg"); | |
11472 | staticpro (&Qjpeg); | |
11473 | #endif | |
11474 | ||
11475 | #if HAVE_TIFF | |
11476 | Qtiff = intern ("tiff"); | |
11477 | staticpro (&Qtiff); | |
11478 | #endif | |
11479 | ||
11480 | #if HAVE_GIF | |
11481 | Qgif = intern ("gif"); | |
11482 | staticpro (&Qgif); | |
11483 | #endif | |
11484 | ||
11485 | #if HAVE_PNG | |
11486 | Qpng = intern ("png"); | |
11487 | staticpro (&Qpng); | |
11488 | #endif | |
11489 | ||
11490 | defsubr (&Sclear_image_cache); | |
42677916 | 11491 | defsubr (&Simage_size); |
b243755a | 11492 | defsubr (&Simage_mask_p); |
333b20bb | 11493 | |
4ae9a85e GM |
11494 | busy_cursor_atimer = NULL; |
11495 | busy_cursor_shown_p = 0; | |
333b20bb GM |
11496 | |
11497 | defsubr (&Sx_show_tip); | |
11498 | defsubr (&Sx_hide_tip); | |
333b20bb | 11499 | tip_timer = Qnil; |
44b5a125 GM |
11500 | staticpro (&tip_timer); |
11501 | tip_frame = Qnil; | |
11502 | staticpro (&tip_frame); | |
333b20bb GM |
11503 | |
11504 | #ifdef USE_MOTIF | |
11505 | defsubr (&Sx_file_dialog); | |
11506 | #endif | |
11507 | } | |
11508 | ||
11509 | ||
11510 | void | |
11511 | init_xfns () | |
11512 | { | |
11513 | image_types = NULL; | |
11514 | Vimage_types = Qnil; | |
11515 | ||
11516 | define_image_type (&xbm_type); | |
11517 | define_image_type (&gs_type); | |
11518 | define_image_type (&pbm_type); | |
11519 | ||
11520 | #if HAVE_XPM | |
11521 | define_image_type (&xpm_type); | |
11522 | #endif | |
11523 | ||
11524 | #if HAVE_JPEG | |
11525 | define_image_type (&jpeg_type); | |
11526 | #endif | |
11527 | ||
11528 | #if HAVE_TIFF | |
11529 | define_image_type (&tiff_type); | |
11530 | #endif | |
11531 | ||
11532 | #if HAVE_GIF | |
11533 | define_image_type (&gif_type); | |
11534 | #endif | |
11535 | ||
11536 | #if HAVE_PNG | |
11537 | define_image_type (&png_type); | |
11538 | #endif | |
01f1ba30 JB |
11539 | } |
11540 | ||
11541 | #endif /* HAVE_X_WINDOWS */ |