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(waiting_for_input): Remove unnecessary prototype.
[bpt/emacs.git] / mac / src / macfns.c
1 /* Graphical user interface functions for Mac OS.
2 Copyright (C) 2000 Free Software Foundation, Inc.
3
4 This file is part of GNU Emacs.
5
6 GNU Emacs is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
9 any later version.
10
11 GNU Emacs is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with GNU Emacs; see the file COPYING. If not, write to
18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
20
21 /* Contributed by Andrew Choi (akochoi@users.sourceforge.net). */
22
23 #include <config.h>
24
25 #include <signal.h>
26 #include <stdio.h>
27 #include <math.h>
28 #include <limits.h>
29 #include <errno.h>
30
31 #include "lisp.h"
32 #include "charset.h"
33 #include "macterm.h"
34 #include "frame.h"
35 #include "window.h"
36 #include "buffer.h"
37 #include "dispextern.h"
38 #include "fontset.h"
39 #include "intervals.h"
40 #include "keyboard.h"
41 #include "blockinput.h"
42 #include "epaths.h"
43 #include "termhooks.h"
44 #include "coding.h"
45 #include "ccl.h"
46 #include "systime.h"
47
48 /* #include "bitmaps/gray.xbm" */
49 #define gray_width 2
50 #define gray_height 2
51 static unsigned char gray_bits[] = {
52 0x01, 0x02};
53
54 /*#include <commdlg.h>
55 #include <shellapi.h>*/
56 #include <ctype.h>
57
58 #include <stdlib.h>
59 #include <string.h>
60 #include <alloca.h>
61 #if 0
62 #include <unistd.h>
63 #endif
64
65 #include <Windows.h>
66 #include <Gestalt.h>
67 #include <TextUtils.h>
68
69 #ifndef min
70 #define min(a,b) ((a) < (b) ? (a) : (b))
71 #endif
72 #ifndef max
73 #define max(a,b) ((a) > (b) ? (a) : (b))
74 #endif
75
76 /*extern void free_frame_menubar ();
77 extern double atof ();
78 extern int w32_console_toggle_lock_key (int vk_code, Lisp_Object new_state);
79 extern int quit_char;*/
80
81 /* A definition of XColor for non-X frames. */
82 #ifndef HAVE_X_WINDOWS
83 typedef struct {
84 unsigned long pixel;
85 unsigned short red, green, blue;
86 char flags;
87 char pad;
88 } XColor;
89 #endif
90
91 extern char *lispy_function_keys[];
92
93 /* The gray bitmap `bitmaps/gray'. This is done because macterm.c uses
94 it, and including `bitmaps/gray' more than once is a problem when
95 config.h defines `static' as an empty replacement string. */
96
97 int gray_bitmap_width = gray_width;
98 int gray_bitmap_height = gray_height;
99 unsigned char *gray_bitmap_bits = gray_bits;
100
101 /* The name we're using in resource queries. */
102
103 Lisp_Object Vx_resource_name;
104
105 /* Non-zero means we're allowed to display an hourglass cursor. */
106
107 int display_hourglass_p;
108
109 /* The background and shape of the mouse pointer, and shape when not
110 over text or in the modeline. */
111
112 Lisp_Object Vx_pointer_shape, Vx_nontext_pointer_shape, Vx_mode_pointer_shape;
113 Lisp_Object Vx_hourglass_pointer_shape;
114
115 /* The shape when over mouse-sensitive text. */
116
117 Lisp_Object Vx_sensitive_text_pointer_shape;
118
119 /* If non-nil, the pointer shape to indicate that windows can be
120 dragged horizontally. */
121
122 Lisp_Object Vx_window_horizontal_drag_shape;
123
124 /* Color of chars displayed in cursor box. */
125
126 Lisp_Object Vx_cursor_fore_pixel;
127
128 /* Nonzero if using Windows. */
129
130 static int mac_in_use;
131
132 /* Non nil if no window manager is in use. */
133
134 Lisp_Object Vx_no_window_manager;
135
136 /* Search path for bitmap files. */
137
138 Lisp_Object Vx_bitmap_file_path;
139
140 /* Regexp matching a font name whose width is the same as `PIXEL_SIZE'. */
141
142 Lisp_Object Vx_pixel_size_width_font_regexp;
143
144 /* Evaluate this expression to rebuild the section of syms_of_macfns
145 that initializes and staticpros the symbols declared below. Note
146 that Emacs 18 has a bug that keeps C-x C-e from being able to
147 evaluate this expression.
148
149 (progn
150 ;; Accumulate a list of the symbols we want to initialize from the
151 ;; declarations at the top of the file.
152 (goto-char (point-min))
153 (search-forward "/\*&&& symbols declared here &&&*\/\n")
154 (let (symbol-list)
155 (while (looking-at "Lisp_Object \\(Q[a-z_]+\\)")
156 (setq symbol-list
157 (cons (buffer-substring (match-beginning 1) (match-end 1))
158 symbol-list))
159 (forward-line 1))
160 (setq symbol-list (nreverse symbol-list))
161 ;; Delete the section of syms_of_... where we initialize the symbols.
162 (search-forward "\n /\*&&& init symbols here &&&*\/\n")
163 (let ((start (point)))
164 (while (looking-at "^ Q")
165 (forward-line 2))
166 (kill-region start (point)))
167 ;; Write a new symbol initialization section.
168 (while symbol-list
169 (insert (format " %s = intern (\"" (car symbol-list)))
170 (let ((start (point)))
171 (insert (substring (car symbol-list) 1))
172 (subst-char-in-region start (point) ?_ ?-))
173 (insert (format "\");\n staticpro (&%s);\n" (car symbol-list)))
174 (setq symbol-list (cdr symbol-list)))))
175
176 */
177
178 /*&&& symbols declared here &&&*/
179 Lisp_Object Qauto_raise;
180 Lisp_Object Qauto_lower;
181 Lisp_Object Qbar;
182 Lisp_Object Qborder_color;
183 Lisp_Object Qborder_width;
184 Lisp_Object Qbox;
185 Lisp_Object Qcursor_color;
186 Lisp_Object Qcursor_type;
187 Lisp_Object Qgeometry;
188 Lisp_Object Qicon_left;
189 Lisp_Object Qicon_top;
190 Lisp_Object Qicon_type;
191 Lisp_Object Qicon_name;
192 Lisp_Object Qinternal_border_width;
193 Lisp_Object Qleft;
194 Lisp_Object Qright;
195 Lisp_Object Qmouse_color;
196 Lisp_Object Qnone;
197 Lisp_Object Qparent_id;
198 Lisp_Object Qscroll_bar_width;
199 Lisp_Object Qsuppress_icon;
200 Lisp_Object Qundefined_color;
201 Lisp_Object Qvertical_scroll_bars;
202 Lisp_Object Qvisibility;
203 Lisp_Object Qwindow_id;
204 Lisp_Object Qx_frame_parameter;
205 Lisp_Object Qx_resource_name;
206 Lisp_Object Quser_position;
207 Lisp_Object Quser_size;
208 Lisp_Object Qscreen_gamma;
209 Lisp_Object Qline_spacing;
210 Lisp_Object Qcenter;
211 Lisp_Object Qcancel_timer;
212 Lisp_Object Qhyper;
213 Lisp_Object Qsuper;
214 Lisp_Object Qmeta;
215 Lisp_Object Qalt;
216 Lisp_Object Qctrl;
217 Lisp_Object Qcontrol;
218 Lisp_Object Qshift;
219
220 extern Lisp_Object Qtop;
221 extern Lisp_Object Qdisplay;
222 Lisp_Object Qscroll_bar_foreground, Qscroll_bar_background;
223 extern Lisp_Object Qtool_bar_lines;
224
225 /* These are defined in frame.c. */
226 extern Lisp_Object Qheight, Qminibuffer, Qname, Qonly, Qwidth;
227 extern Lisp_Object Qunsplittable, Qmenu_bar_lines, Qbuffer_predicate, Qtitle;
228 extern Lisp_Object Qtool_bar_lines;
229
230 extern Lisp_Object Vwindow_system_version;
231
232 Lisp_Object Qface_set_after_frame_default;
233
234 /* Functions in macterm.c. */
235 extern void x_set_offset (struct frame *, int, int, int);
236 extern void x_wm_set_icon_position (struct frame *, int, int);
237 extern void x_display_cursor (struct window *, int, int, int, int, int);
238 extern void x_set_window_size (struct frame *, int, int, int);
239 extern void x_make_frame_visible (struct frame *);
240 extern struct mac_display_info *x_term_init (Lisp_Object, char *, char *);
241 extern struct font_info *x_get_font_info (FRAME_PTR, int);
242 extern struct font_info *x_load_font (struct frame *, char *, int);
243 extern void x_find_ccl_program (struct font_info *);
244 extern struct font_info *x_query_font (struct frame *, char *);
245
246
247 /* compare two strings ignoring case */
248
249 static int
250 stricmp (const char *s, const char *t)
251 {
252 for ( ; tolower (*s) == tolower (*t); s++, t++)
253 if (*s == '\0')
254 return 0;
255 return tolower (*s) - tolower (*t);
256 }
257
258 /* compare two strings up to n characters, ignoring case */
259
260 static int
261 strnicmp (const char *s, const char *t, unsigned int n)
262 {
263 for ( ; n-- > 0 && tolower (*s) == tolower (*t); s++, t++)
264 if (*s == '\0')
265 return 0;
266 return n == 0 ? 0 : tolower (*s) - tolower (*t);
267 }
268
269 \f
270 /* Error if we are not running on Mac OS. */
271
272 void
273 check_mac ()
274 {
275 if (! mac_in_use)
276 error ("Mac OS not in use or not initialized");
277 }
278
279 /* Nonzero if we can use mouse menus.
280 You should not call this unless HAVE_MENUS is defined. */
281
282 int
283 have_menus_p ()
284 {
285 return mac_in_use;
286 }
287
288 /* Extract a frame as a FRAME_PTR, defaulting to the selected frame
289 and checking validity for Mac. */
290
291 FRAME_PTR
292 check_x_frame (frame)
293 Lisp_Object frame;
294 {
295 FRAME_PTR f;
296
297 if (NILP (frame))
298 frame = selected_frame;
299 CHECK_LIVE_FRAME (frame, 0);
300 f = XFRAME (frame);
301 if (! FRAME_MAC_P (f))
302 error ("non-mac frame used");
303 return f;
304 }
305
306 /* Let the user specify an display with a frame.
307 nil stands for the selected frame--or, if that is not a mac frame,
308 the first display on the list. */
309
310 static struct mac_display_info *
311 check_x_display_info (frame)
312 Lisp_Object frame;
313 {
314 if (NILP (frame))
315 {
316 struct frame *sf = XFRAME (selected_frame);
317
318 if (FRAME_MAC_P (sf) && FRAME_LIVE_P (sf))
319 return FRAME_MAC_DISPLAY_INFO (sf);
320 else
321 return &one_mac_display_info;
322 }
323 else if (STRINGP (frame))
324 return x_display_info_for_name (frame);
325 else
326 {
327 FRAME_PTR f;
328
329 CHECK_LIVE_FRAME (frame, 0);
330 f = XFRAME (frame);
331 if (! FRAME_MAC_P (f))
332 error ("non-mac frame used");
333 return FRAME_MAC_DISPLAY_INFO (f);
334 }
335 }
336 \f
337 /* Return the Emacs frame-object corresponding to an mac window.
338 It could be the frame's main window or an icon window. */
339
340 /* This function can be called during GC, so use GC_xxx type test macros. */
341
342 struct frame *
343 x_window_to_frame (dpyinfo, wdesc)
344 struct mac_display_info *dpyinfo;
345 WindowPtr wdesc;
346 {
347 Lisp_Object tail, frame;
348 struct frame *f;
349
350 for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail))
351 {
352 frame = XCAR (tail);
353 if (!GC_FRAMEP (frame))
354 continue;
355 f = XFRAME (frame);
356 if (!FRAME_W32_P (f) || FRAME_MAC_DISPLAY_INFO (f) != dpyinfo)
357 continue;
358 /*if (f->output_data.w32->busy_window == wdesc)
359 return f;*/
360
361 /* MAC_TODO: Check tooltips when supported. */
362 if (FRAME_MAC_WINDOW (f) == wdesc)
363 return f;
364 }
365 return 0;
366 }
367
368 \f
369
370 /* Code to deal with bitmaps. Bitmaps are referenced by their bitmap
371 id, which is just an int that this section returns. Bitmaps are
372 reference counted so they can be shared among frames.
373
374 Bitmap indices are guaranteed to be > 0, so a negative number can
375 be used to indicate no bitmap.
376
377 If you use x_create_bitmap_from_data, then you must keep track of
378 the bitmaps yourself. That is, creating a bitmap from the same
379 data more than once will not be caught. */
380
381
382 /* Functions to access the contents of a bitmap, given an id. */
383
384 int
385 x_bitmap_height (f, id)
386 FRAME_PTR f;
387 int id;
388 {
389 return FRAME_MAC_DISPLAY_INFO (f)->bitmaps[id - 1].height;
390 }
391
392 int
393 x_bitmap_width (f, id)
394 FRAME_PTR f;
395 int id;
396 {
397 return FRAME_MAC_DISPLAY_INFO (f)->bitmaps[id - 1].width;
398 }
399
400 #if 0 /* MAC_TODO : not used anywhere (?) */
401 int
402 x_bitmap_pixmap (f, id)
403 FRAME_PTR f;
404 int id;
405 {
406 return (int) FRAME_MAC_DISPLAY_INFO (f)->bitmaps[id - 1].pixmap;
407 }
408 #endif
409
410 /* Allocate a new bitmap record. Returns index of new record. */
411
412 static int
413 x_allocate_bitmap_record (f)
414 FRAME_PTR f;
415 {
416 struct mac_display_info *dpyinfo = FRAME_MAC_DISPLAY_INFO (f);
417 int i;
418
419 if (dpyinfo->bitmaps == NULL)
420 {
421 dpyinfo->bitmaps_size = 10;
422 dpyinfo->bitmaps = (struct mac_bitmap_record *)
423 xmalloc (dpyinfo->bitmaps_size * sizeof (struct mac_bitmap_record));
424 dpyinfo->bitmaps_last = 1;
425 return 1;
426 }
427
428 if (dpyinfo->bitmaps_last < dpyinfo->bitmaps_size)
429 return ++dpyinfo->bitmaps_last;
430
431 for (i = 0; i < dpyinfo->bitmaps_size; ++i)
432 if (dpyinfo->bitmaps[i].refcount == 0)
433 return i + 1;
434
435 dpyinfo->bitmaps_size *= 2;
436 dpyinfo->bitmaps = (struct mac_bitmap_record *)
437 xrealloc (dpyinfo->bitmaps,
438 dpyinfo->bitmaps_size * sizeof (struct mac_bitmap_record));
439 return ++dpyinfo->bitmaps_last;
440 }
441
442 /* Add one reference to the reference count of the bitmap with id
443 ID. */
444
445 void
446 x_reference_bitmap (f, id)
447 FRAME_PTR f;
448 int id;
449 {
450 ++FRAME_MAC_DISPLAY_INFO (f)->bitmaps[id - 1].refcount;
451 }
452
453 /* Create a bitmap for frame F from a HEIGHT x WIDTH array of bits at
454 BITS. */
455
456 int
457 x_create_bitmap_from_data (f, bits, width, height)
458 struct frame *f;
459 char *bits;
460 unsigned int width, height;
461 {
462 struct x_display_info *dpyinfo = FRAME_MAC_DISPLAY_INFO (f);
463 int id;
464
465 /* MAC_TODO: for now fail if width is not mod 16 (toolbox requires it) */
466
467 id = x_allocate_bitmap_record (f);
468
469 if (width % 16 != 0)
470 return -1;
471
472 dpyinfo->bitmaps[id - 1].bitmap_data = (char *) xmalloc (height * width);
473 if (! dpyinfo->bitmaps[id - 1].bitmap_data)
474 return -1;
475
476 bcopy (bits, dpyinfo->bitmaps[id - 1].bitmap_data, height * width);
477
478 dpyinfo->bitmaps[id - 1].refcount = 1;
479 dpyinfo->bitmaps[id - 1].height = height;
480 dpyinfo->bitmaps[id - 1].width = width;
481
482 return id;
483 }
484
485 /* Create bitmap from file FILE for frame F. */
486
487 int
488 x_create_bitmap_from_file (f, file)
489 struct frame *f;
490 Lisp_Object file;
491 {
492 return -1;
493 #if 0 /* MAC_TODO : bitmap support */
494 struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f);
495 unsigned int width, height;
496 HBITMAP bitmap;
497 int xhot, yhot, result, id;
498 Lisp_Object found;
499 int fd;
500 char *filename;
501 HINSTANCE hinst;
502
503 /* Look for an existing bitmap with the same name. */
504 for (id = 0; id < dpyinfo->bitmaps_last; ++id)
505 {
506 if (dpyinfo->bitmaps[id].refcount
507 && dpyinfo->bitmaps[id].file
508 && !strcmp (dpyinfo->bitmaps[id].file, (char *) XSTRING (file)->data))
509 {
510 ++dpyinfo->bitmaps[id].refcount;
511 return id + 1;
512 }
513 }
514
515 /* Search bitmap-file-path for the file, if appropriate. */
516 fd = openp (Vx_bitmap_file_path, file, Qnil, &found, 0);
517 if (fd < 0)
518 return -1;
519 /* LoadLibraryEx won't handle special files handled by Emacs handler. */
520 if (fd == 0)
521 return -1;
522 emacs_close (fd);
523
524 filename = (char *) XSTRING (found)->data;
525
526 hinst = LoadLibraryEx (filename, NULL, LOAD_LIBRARY_AS_DATAFILE);
527
528 if (hinst == NULL)
529 return -1;
530
531
532 result = XReadBitmapFile (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f),
533 filename, &width, &height, &bitmap, &xhot, &yhot);
534 if (result != BitmapSuccess)
535 return -1;
536
537 id = x_allocate_bitmap_record (f);
538 dpyinfo->bitmaps[id - 1].pixmap = bitmap;
539 dpyinfo->bitmaps[id - 1].refcount = 1;
540 dpyinfo->bitmaps[id - 1].file = (char *) xmalloc (XSTRING (file)->size + 1);
541 dpyinfo->bitmaps[id - 1].depth = 1;
542 dpyinfo->bitmaps[id - 1].height = height;
543 dpyinfo->bitmaps[id - 1].width = width;
544 strcpy (dpyinfo->bitmaps[id - 1].file, XSTRING (file)->data);
545
546 return id;
547 #endif /* MAC_TODO */
548 }
549
550 /* Remove reference to bitmap with id number ID. */
551
552 void
553 x_destroy_bitmap (f, id)
554 FRAME_PTR f;
555 int id;
556 {
557 struct mac_display_info *dpyinfo = FRAME_MAC_DISPLAY_INFO (f);
558
559 if (id > 0)
560 {
561 --dpyinfo->bitmaps[id - 1].refcount;
562 if (dpyinfo->bitmaps[id - 1].refcount == 0)
563 {
564 BLOCK_INPUT;
565 dpyinfo->bitmaps[id - 1].bitmap_data = NULL;
566 UNBLOCK_INPUT;
567 }
568 }
569 }
570
571 /* Free all the bitmaps for the display specified by DPYINFO. */
572
573 static void
574 x_destroy_all_bitmaps (dpyinfo)
575 struct mac_display_info *dpyinfo;
576 {
577 int i;
578 for (i = 0; i < dpyinfo->bitmaps_last; i++)
579 if (dpyinfo->bitmaps[i].refcount > 0)
580 xfree (dpyinfo->bitmaps[i].bitmap_data);
581 dpyinfo->bitmaps_last = 0;
582 }
583 \f
584 /* Connect the frame-parameter names for W32 frames
585 to the ways of passing the parameter values to the window system.
586
587 The name of a parameter, as a Lisp symbol,
588 has an `x-frame-parameter' property which is an integer in Lisp
589 but can be interpreted as an `enum x_frame_parm' in C. */
590
591 struct x_frame_parm_table
592 {
593 char *name;
594 void (*setter) P_ ((struct frame *, Lisp_Object, Lisp_Object));
595 };
596
597 void x_set_foreground_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
598 static void x_set_line_spacing P_ ((struct frame *, Lisp_Object, Lisp_Object));
599 void x_set_background_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
600 void x_set_mouse_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
601 void x_set_cursor_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
602 void x_set_border_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
603 void x_set_cursor_type P_ ((struct frame *, Lisp_Object, Lisp_Object));
604 void x_set_icon_type P_ ((struct frame *, Lisp_Object, Lisp_Object));
605 void x_set_icon_name P_ ((struct frame *, Lisp_Object, Lisp_Object));
606 void x_set_font P_ ((struct frame *, Lisp_Object, Lisp_Object));
607 void x_set_border_width P_ ((struct frame *, Lisp_Object, Lisp_Object));
608 void x_set_internal_border_width P_ ((struct frame *, Lisp_Object,
609 Lisp_Object));
610 void x_explicitly_set_name P_ ((struct frame *, Lisp_Object, Lisp_Object));
611 void x_set_autoraise P_ ((struct frame *, Lisp_Object, Lisp_Object));
612 void x_set_autolower P_ ((struct frame *, Lisp_Object, Lisp_Object));
613 void x_set_vertical_scroll_bars P_ ((struct frame *, Lisp_Object,
614 Lisp_Object));
615 void x_set_visibility P_ ((struct frame *, Lisp_Object, Lisp_Object));
616 void x_set_menu_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
617 void x_set_scroll_bar_width P_ ((struct frame *, Lisp_Object, Lisp_Object));
618 void x_set_title P_ ((struct frame *, Lisp_Object, Lisp_Object));
619 void x_set_unsplittable P_ ((struct frame *, Lisp_Object, Lisp_Object));
620 void x_set_tool_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
621 void x_set_scroll_bar_foreground P_ ((struct frame *, Lisp_Object,
622 Lisp_Object));
623 void x_set_scroll_bar_background P_ ((struct frame *, Lisp_Object,
624 Lisp_Object));
625 static Lisp_Object x_default_scroll_bar_color_parameter P_ ((struct frame *,
626 Lisp_Object,
627 Lisp_Object,
628 char *, char *,
629 int));
630 static void x_set_screen_gamma P_ ((struct frame *, Lisp_Object, Lisp_Object));
631
632 static struct x_frame_parm_table x_frame_parms[] =
633 {
634 "auto-raise", x_set_autoraise,
635 "auto-lower", x_set_autolower,
636 "background-color", x_set_background_color,
637 "border-color", x_set_border_color,
638 "border-width", x_set_border_width,
639 "cursor-color", x_set_cursor_color,
640 "cursor-type", x_set_cursor_type,
641 "font", x_set_font,
642 "foreground-color", x_set_foreground_color,
643 "icon-name", x_set_icon_name,
644 #if 0 /* MAC_TODO: no icons for Mac */
645 "icon-type", x_set_icon_type,
646 #endif
647 "internal-border-width", x_set_internal_border_width,
648 "menu-bar-lines", x_set_menu_bar_lines,
649 "mouse-color", x_set_mouse_color,
650 "name", x_explicitly_set_name,
651 "scroll-bar-width", x_set_scroll_bar_width,
652 "title", x_set_title,
653 "unsplittable", x_set_unsplittable,
654 "vertical-scroll-bars", x_set_vertical_scroll_bars,
655 "visibility", x_set_visibility,
656 "tool-bar-lines", x_set_tool_bar_lines,
657 #if 0 /* MAC_TODO: cannot set color of scroll bar on the Mac? */
658 "scroll-bar-foreground", x_set_scroll_bar_foreground,
659 "scroll-bar-background", x_set_scroll_bar_background,
660 #endif
661 "screen-gamma", x_set_screen_gamma,
662 "line-spacing", x_set_line_spacing
663 };
664
665 /* Attach the `x-frame-parameter' properties to
666 the Lisp symbol names of parameters relevant to Mac. */
667
668 void
669 init_x_parm_symbols ()
670 {
671 int i;
672
673 for (i = 0; i < sizeof (x_frame_parms) / sizeof (x_frame_parms[0]); i++)
674 Fput (intern (x_frame_parms[i].name), Qx_frame_parameter,
675 make_number (i));
676 }
677 \f
678 /* Change the parameters of frame F as specified by ALIST.
679 If a parameter is not specially recognized, do nothing;
680 otherwise call the `x_set_...' function for that parameter. */
681
682 void
683 x_set_frame_parameters (f, alist)
684 FRAME_PTR f;
685 Lisp_Object alist;
686 {
687 Lisp_Object tail;
688
689 /* If both of these parameters are present, it's more efficient to
690 set them both at once. So we wait until we've looked at the
691 entire list before we set them. */
692 int width, height;
693
694 /* Same here. */
695 Lisp_Object left, top;
696
697 /* Same with these. */
698 Lisp_Object icon_left, icon_top;
699
700 /* Record in these vectors all the parms specified. */
701 Lisp_Object *parms;
702 Lisp_Object *values;
703 int i, p;
704 int left_no_change = 0, top_no_change = 0;
705 int icon_left_no_change = 0, icon_top_no_change = 0;
706
707 struct gcpro gcpro1, gcpro2;
708
709 i = 0;
710 for (tail = alist; CONSP (tail); tail = Fcdr (tail))
711 i++;
712
713 parms = (Lisp_Object *) alloca (i * sizeof (Lisp_Object));
714 values = (Lisp_Object *) alloca (i * sizeof (Lisp_Object));
715
716 /* Extract parm names and values into those vectors. */
717
718 i = 0;
719 for (tail = alist; CONSP (tail); tail = Fcdr (tail))
720 {
721 Lisp_Object elt;
722
723 elt = Fcar (tail);
724 parms[i] = Fcar (elt);
725 values[i] = Fcdr (elt);
726 i++;
727 }
728 /* TAIL and ALIST are not used again below here. */
729 alist = tail = Qnil;
730
731 GCPRO2 (*parms, *values);
732 gcpro1.nvars = i;
733 gcpro2.nvars = i;
734
735 /* There is no need to gcpro LEFT, TOP, ICON_LEFT, or ICON_TOP,
736 because their values appear in VALUES and strings are not valid. */
737 top = left = Qunbound;
738 icon_left = icon_top = Qunbound;
739
740 /* Provide default values for HEIGHT and WIDTH. */
741 if (FRAME_NEW_WIDTH (f))
742 width = FRAME_NEW_WIDTH (f);
743 else
744 width = FRAME_WIDTH (f);
745
746 if (FRAME_NEW_HEIGHT (f))
747 height = FRAME_NEW_HEIGHT (f);
748 else
749 height = FRAME_HEIGHT (f);
750
751 /* Process foreground_color and background_color before anything else.
752 They are independent of other properties, but other properties (e.g.,
753 cursor_color) are dependent upon them. */
754 for (p = 0; p < i; p++)
755 {
756 Lisp_Object prop, val;
757
758 prop = parms[p];
759 val = values[p];
760 if (EQ (prop, Qforeground_color) || EQ (prop, Qbackground_color))
761 {
762 register Lisp_Object param_index, old_value;
763
764 param_index = Fget (prop, Qx_frame_parameter);
765 old_value = get_frame_param (f, prop);
766 store_frame_param (f, prop, val);
767 if (NATNUMP (param_index)
768 && (XFASTINT (param_index)
769 < sizeof (x_frame_parms)/sizeof (x_frame_parms[0])))
770 (*x_frame_parms[XINT (param_index)].setter)(f, val, old_value);
771 }
772 }
773
774 /* Now process them in reverse of specified order. */
775 for (i--; i >= 0; i--)
776 {
777 Lisp_Object prop, val;
778
779 prop = parms[i];
780 val = values[i];
781
782 if (EQ (prop, Qwidth) && NUMBERP (val))
783 width = XFASTINT (val);
784 else if (EQ (prop, Qheight) && NUMBERP (val))
785 height = XFASTINT (val);
786 else if (EQ (prop, Qtop))
787 top = val;
788 else if (EQ (prop, Qleft))
789 left = val;
790 else if (EQ (prop, Qicon_top))
791 icon_top = val;
792 else if (EQ (prop, Qicon_left))
793 icon_left = val;
794 else if (EQ (prop, Qforeground_color) || EQ (prop, Qbackground_color))
795 /* Processed above. */
796 continue;
797 else
798 {
799 register Lisp_Object param_index, old_value;
800
801 param_index = Fget (prop, Qx_frame_parameter);
802 old_value = get_frame_param (f, prop);
803 store_frame_param (f, prop, val);
804 if (NATNUMP (param_index)
805 && (XFASTINT (param_index)
806 < sizeof (x_frame_parms)/sizeof (x_frame_parms[0])))
807 (*x_frame_parms[XINT (param_index)].setter)(f, val, old_value);
808 }
809 }
810
811 /* Don't die if just one of these was set. */
812 if (EQ (left, Qunbound))
813 {
814 left_no_change = 1;
815 if (f->output_data.mac->left_pos < 0)
816 left = Fcons (Qplus,
817 Fcons (make_number (f->output_data.mac->left_pos),
818 Qnil));
819 else
820 XSETINT (left, f->output_data.mac->left_pos);
821 }
822 if (EQ (top, Qunbound))
823 {
824 top_no_change = 1;
825 if (f->output_data.mac->top_pos < 0)
826 top = Fcons (Qplus,
827 Fcons (make_number (f->output_data.mac->top_pos), Qnil));
828 else
829 XSETINT (top, f->output_data.mac->top_pos);
830 }
831
832 /* If one of the icon positions was not set, preserve or default it. */
833 if (EQ (icon_left, Qunbound) || ! INTEGERP (icon_left))
834 {
835 icon_left_no_change = 1;
836 icon_left = Fcdr (Fassq (Qicon_left, f->param_alist));
837 if (NILP (icon_left))
838 XSETINT (icon_left, 0);
839 }
840 if (EQ (icon_top, Qunbound) || ! INTEGERP (icon_top))
841 {
842 icon_top_no_change = 1;
843 icon_top = Fcdr (Fassq (Qicon_top, f->param_alist));
844 if (NILP (icon_top))
845 XSETINT (icon_top, 0);
846 }
847
848 /* Don't set these parameters unless they've been explicitly
849 specified. The window might be mapped or resized while we're in
850 this function, and we don't want to override that unless the lisp
851 code has asked for it.
852
853 Don't set these parameters unless they actually differ from the
854 window's current parameters; the window may not actually exist
855 yet. */
856 {
857 Lisp_Object frame;
858
859 check_frame_size (f, &height, &width);
860
861 XSETFRAME (frame, f);
862
863 if (width != FRAME_WIDTH (f)
864 || height != FRAME_HEIGHT (f)
865 || FRAME_NEW_HEIGHT (f) || FRAME_NEW_WIDTH (f))
866 Fset_frame_size (frame, make_number (width), make_number (height));
867
868 if ((!NILP (left) || !NILP (top))
869 && ! (left_no_change && top_no_change)
870 && ! (NUMBERP (left) && XINT (left) == f->output_data.mac->left_pos
871 && NUMBERP (top) && XINT (top) == f->output_data.mac->top_pos))
872 {
873 int leftpos = 0;
874 int toppos = 0;
875
876 /* Record the signs. */
877 f->output_data.mac->size_hint_flags &= ~ (XNegative | YNegative);
878 if (EQ (left, Qminus))
879 f->output_data.mac->size_hint_flags |= XNegative;
880 else if (INTEGERP (left))
881 {
882 leftpos = XINT (left);
883 if (leftpos < 0)
884 f->output_data.mac->size_hint_flags |= XNegative;
885 }
886 else if (CONSP (left) && EQ (XCAR (left), Qminus)
887 && CONSP (XCDR (left))
888 && INTEGERP (XCAR (XCDR (left))))
889 {
890 leftpos = - XINT (XCAR (XCDR (left)));
891 f->output_data.mac->size_hint_flags |= XNegative;
892 }
893 else if (CONSP (left) && EQ (XCAR (left), Qplus)
894 && CONSP (XCDR (left))
895 && INTEGERP (XCAR (XCDR (left))))
896 {
897 leftpos = XINT (XCAR (XCDR (left)));
898 }
899
900 if (EQ (top, Qminus))
901 f->output_data.mac->size_hint_flags |= YNegative;
902 else if (INTEGERP (top))
903 {
904 toppos = XINT (top);
905 if (toppos < 0)
906 f->output_data.mac->size_hint_flags |= YNegative;
907 }
908 else if (CONSP (top) && EQ (XCAR (top), Qminus)
909 && CONSP (XCDR (top))
910 && INTEGERP (XCAR (XCDR (top))))
911 {
912 toppos = - XINT (XCAR (XCDR (top)));
913 f->output_data.mac->size_hint_flags |= YNegative;
914 }
915 else if (CONSP (top) && EQ (XCAR (top), Qplus)
916 && CONSP (XCDR (top))
917 && INTEGERP (XCAR (XCDR (top))))
918 {
919 toppos = XINT (XCAR (XCDR (top)));
920 }
921
922
923 /* Store the numeric value of the position. */
924 f->output_data.mac->top_pos = toppos;
925 f->output_data.mac->left_pos = leftpos;
926
927 f->output_data.mac->win_gravity = NorthWestGravity;
928
929 /* Actually set that position, and convert to absolute. */
930 x_set_offset (f, leftpos, toppos, -1);
931 }
932
933 if ((!NILP (icon_left) || !NILP (icon_top))
934 && ! (icon_left_no_change && icon_top_no_change))
935 x_wm_set_icon_position (f, XINT (icon_left), XINT (icon_top));
936 }
937
938 UNGCPRO;
939 }
940
941 /* Store the screen positions of frame F into XPTR and YPTR.
942 These are the positions of the containing window manager window,
943 not Emacs's own window. */
944
945 void
946 x_real_positions (f, xptr, yptr)
947 FRAME_PTR f;
948 int *xptr, *yptr;
949 {
950 Point pt;
951 GrafPtr oldport;
952
953 SetPt (&pt,
954 f->output_data.mac->mWP->portRect.left,
955 f->output_data.mac->mWP->portRect.top);
956 GetPort (&oldport);
957 LocalToGlobal (&pt);
958 SetPort (oldport);
959
960 *xptr = pt.h;
961 *yptr = pt.v;
962 }
963
964 /* Insert a description of internally-recorded parameters of frame X
965 into the parameter alist *ALISTPTR that is to be given to the user.
966 Only parameters that are specific to Mac and whose values are not
967 correctly recorded in the frame's param_alist need to be considered
968 here. */
969
970 void
971 x_report_frame_params (f, alistptr)
972 struct frame *f;
973 Lisp_Object *alistptr;
974 {
975 char buf[16];
976 Lisp_Object tem;
977
978 /* Represent negative positions (off the top or left screen edge)
979 in a way that Fmodify_frame_parameters will understand correctly. */
980 XSETINT (tem, f->output_data.mac->left_pos);
981 if (f->output_data.mac->left_pos >= 0)
982 store_in_alist (alistptr, Qleft, tem);
983 else
984 store_in_alist (alistptr, Qleft, Fcons (Qplus, Fcons (tem, Qnil)));
985
986 XSETINT (tem, f->output_data.mac->top_pos);
987 if (f->output_data.mac->top_pos >= 0)
988 store_in_alist (alistptr, Qtop, tem);
989 else
990 store_in_alist (alistptr, Qtop, Fcons (Qplus, Fcons (tem, Qnil)));
991
992 store_in_alist (alistptr, Qborder_width,
993 make_number (f->output_data.mac->border_width));
994 store_in_alist (alistptr, Qinternal_border_width,
995 make_number (f->output_data.mac->internal_border_width));
996 sprintf (buf, "%ld", (long) FRAME_MAC_WINDOW (f));
997 store_in_alist (alistptr, Qwindow_id,
998 build_string (buf));
999 store_in_alist (alistptr, Qicon_name, f->icon_name);
1000 FRAME_SAMPLE_VISIBILITY (f);
1001 store_in_alist (alistptr, Qvisibility,
1002 (FRAME_VISIBLE_P (f) ? Qt
1003 : FRAME_ICONIFIED_P (f) ? Qicon : Qnil));
1004 store_in_alist (alistptr, Qdisplay,
1005 XCAR (FRAME_MAC_DISPLAY_INFO (f)->name_list_element));
1006 }
1007 \f
1008 /* The default colors for the Mac color map */
1009 typedef struct colormap_t
1010 {
1011 unsigned long color;
1012 char *name;
1013 } colormap_t;
1014
1015 colormap_t mac_color_map[] =
1016 {
1017 { RGB_TO_ULONG(255, 250, 250), "snow" },
1018 { RGB_TO_ULONG(248, 248, 255), "ghost white" },
1019 { RGB_TO_ULONG(248, 248, 255), "GhostWhite" },
1020 { RGB_TO_ULONG(245, 245, 245), "white smoke" },
1021 { RGB_TO_ULONG(245, 245, 245), "WhiteSmoke" },
1022 { RGB_TO_ULONG(220, 220, 220), "gainsboro" },
1023 { RGB_TO_ULONG(255, 250, 240), "floral white" },
1024 { RGB_TO_ULONG(255, 250, 240), "FloralWhite" },
1025 { RGB_TO_ULONG(253, 245, 230), "old lace" },
1026 { RGB_TO_ULONG(253, 245, 230), "OldLace" },
1027 { RGB_TO_ULONG(250, 240, 230), "linen" },
1028 { RGB_TO_ULONG(250, 235, 215), "antique white" },
1029 { RGB_TO_ULONG(250, 235, 215), "AntiqueWhite" },
1030 { RGB_TO_ULONG(255, 239, 213), "papaya whip" },
1031 { RGB_TO_ULONG(255, 239, 213), "PapayaWhip" },
1032 { RGB_TO_ULONG(255, 235, 205), "blanched almond" },
1033 { RGB_TO_ULONG(255, 235, 205), "BlanchedAlmond" },
1034 { RGB_TO_ULONG(255, 228, 196), "bisque" },
1035 { RGB_TO_ULONG(255, 218, 185), "peach puff" },
1036 { RGB_TO_ULONG(255, 218, 185), "PeachPuff" },
1037 { RGB_TO_ULONG(255, 222, 173), "navajo white" },
1038 { RGB_TO_ULONG(255, 222, 173), "NavajoWhite" },
1039 { RGB_TO_ULONG(255, 228, 181), "moccasin" },
1040 { RGB_TO_ULONG(255, 248, 220), "cornsilk" },
1041 { RGB_TO_ULONG(255, 255, 240), "ivory" },
1042 { RGB_TO_ULONG(255, 250, 205), "lemon chiffon" },
1043 { RGB_TO_ULONG(255, 250, 205), "LemonChiffon" },
1044 { RGB_TO_ULONG(255, 245, 238), "seashell" },
1045 { RGB_TO_ULONG(240, 255, 240), "honeydew" },
1046 { RGB_TO_ULONG(245, 255, 250), "mint cream" },
1047 { RGB_TO_ULONG(245, 255, 250), "MintCream" },
1048 { RGB_TO_ULONG(240, 255, 255), "azure" },
1049 { RGB_TO_ULONG(240, 248, 255), "alice blue" },
1050 { RGB_TO_ULONG(240, 248, 255), "AliceBlue" },
1051 { RGB_TO_ULONG(230, 230, 250), "lavender" },
1052 { RGB_TO_ULONG(255, 240, 245), "lavender blush" },
1053 { RGB_TO_ULONG(255, 240, 245), "LavenderBlush" },
1054 { RGB_TO_ULONG(255, 228, 225), "misty rose" },
1055 { RGB_TO_ULONG(255, 228, 225), "MistyRose" },
1056 { RGB_TO_ULONG(255, 255, 255), "white" },
1057 { RGB_TO_ULONG(0 , 0 , 0 ), "black" },
1058 { RGB_TO_ULONG(47 , 79 , 79 ), "dark slate gray" },
1059 { RGB_TO_ULONG(47 , 79 , 79 ), "DarkSlateGray" },
1060 { RGB_TO_ULONG(47 , 79 , 79 ), "dark slate grey" },
1061 { RGB_TO_ULONG(47 , 79 , 79 ), "DarkSlateGrey" },
1062 { RGB_TO_ULONG(105, 105, 105), "dim gray" },
1063 { RGB_TO_ULONG(105, 105, 105), "DimGray" },
1064 { RGB_TO_ULONG(105, 105, 105), "dim grey" },
1065 { RGB_TO_ULONG(105, 105, 105), "DimGrey" },
1066 { RGB_TO_ULONG(112, 128, 144), "slate gray" },
1067 { RGB_TO_ULONG(112, 128, 144), "SlateGray" },
1068 { RGB_TO_ULONG(112, 128, 144), "slate grey" },
1069 { RGB_TO_ULONG(112, 128, 144), "SlateGrey" },
1070 { RGB_TO_ULONG(119, 136, 153), "light slate gray" },
1071 { RGB_TO_ULONG(119, 136, 153), "LightSlateGray" },
1072 { RGB_TO_ULONG(119, 136, 153), "light slate grey" },
1073 { RGB_TO_ULONG(119, 136, 153), "LightSlateGrey" },
1074 { RGB_TO_ULONG(190, 190, 190), "gray" },
1075 { RGB_TO_ULONG(190, 190, 190), "grey" },
1076 { RGB_TO_ULONG(211, 211, 211), "light grey" },
1077 { RGB_TO_ULONG(211, 211, 211), "LightGrey" },
1078 { RGB_TO_ULONG(211, 211, 211), "light gray" },
1079 { RGB_TO_ULONG(211, 211, 211), "LightGray" },
1080 { RGB_TO_ULONG(25 , 25 , 112), "midnight blue" },
1081 { RGB_TO_ULONG(25 , 25 , 112), "MidnightBlue" },
1082 { RGB_TO_ULONG(0 , 0 , 128), "navy" },
1083 { RGB_TO_ULONG(0 , 0 , 128), "navy blue" },
1084 { RGB_TO_ULONG(0 , 0 , 128), "NavyBlue" },
1085 { RGB_TO_ULONG(100, 149, 237), "cornflower blue" },
1086 { RGB_TO_ULONG(100, 149, 237), "CornflowerBlue" },
1087 { RGB_TO_ULONG(72 , 61 , 139), "dark slate blue" },
1088 { RGB_TO_ULONG(72 , 61 , 139), "DarkSlateBlue" },
1089 { RGB_TO_ULONG(106, 90 , 205), "slate blue" },
1090 { RGB_TO_ULONG(106, 90 , 205), "SlateBlue" },
1091 { RGB_TO_ULONG(123, 104, 238), "medium slate blue" },
1092 { RGB_TO_ULONG(123, 104, 238), "MediumSlateBlue" },
1093 { RGB_TO_ULONG(132, 112, 255), "light slate blue" },
1094 { RGB_TO_ULONG(132, 112, 255), "LightSlateBlue" },
1095 { RGB_TO_ULONG(0 , 0 , 205), "medium blue" },
1096 { RGB_TO_ULONG(0 , 0 , 205), "MediumBlue" },
1097 { RGB_TO_ULONG(65 , 105, 225), "royal blue" },
1098 { RGB_TO_ULONG(65 , 105, 225), "RoyalBlue" },
1099 { RGB_TO_ULONG(0 , 0 , 255), "blue" },
1100 { RGB_TO_ULONG(30 , 144, 255), "dodger blue" },
1101 { RGB_TO_ULONG(30 , 144, 255), "DodgerBlue" },
1102 { RGB_TO_ULONG(0 , 191, 255), "deep sky blue" },
1103 { RGB_TO_ULONG(0 , 191, 255), "DeepSkyBlue" },
1104 { RGB_TO_ULONG(135, 206, 235), "sky blue" },
1105 { RGB_TO_ULONG(135, 206, 235), "SkyBlue" },
1106 { RGB_TO_ULONG(135, 206, 250), "light sky blue" },
1107 { RGB_TO_ULONG(135, 206, 250), "LightSkyBlue" },
1108 { RGB_TO_ULONG(70 , 130, 180), "steel blue" },
1109 { RGB_TO_ULONG(70 , 130, 180), "SteelBlue" },
1110 { RGB_TO_ULONG(176, 196, 222), "light steel blue" },
1111 { RGB_TO_ULONG(176, 196, 222), "LightSteelBlue" },
1112 { RGB_TO_ULONG(173, 216, 230), "light blue" },
1113 { RGB_TO_ULONG(173, 216, 230), "LightBlue" },
1114 { RGB_TO_ULONG(176, 224, 230), "powder blue" },
1115 { RGB_TO_ULONG(176, 224, 230), "PowderBlue" },
1116 { RGB_TO_ULONG(175, 238, 238), "pale turquoise" },
1117 { RGB_TO_ULONG(175, 238, 238), "PaleTurquoise" },
1118 { RGB_TO_ULONG(0 , 206, 209), "dark turquoise" },
1119 { RGB_TO_ULONG(0 , 206, 209), "DarkTurquoise" },
1120 { RGB_TO_ULONG(72 , 209, 204), "medium turquoise" },
1121 { RGB_TO_ULONG(72 , 209, 204), "MediumTurquoise" },
1122 { RGB_TO_ULONG(64 , 224, 208), "turquoise" },
1123 { RGB_TO_ULONG(0 , 255, 255), "cyan" },
1124 { RGB_TO_ULONG(224, 255, 255), "light cyan" },
1125 { RGB_TO_ULONG(224, 255, 255), "LightCyan" },
1126 { RGB_TO_ULONG(95 , 158, 160), "cadet blue" },
1127 { RGB_TO_ULONG(95 , 158, 160), "CadetBlue" },
1128 { RGB_TO_ULONG(102, 205, 170), "medium aquamarine" },
1129 { RGB_TO_ULONG(102, 205, 170), "MediumAquamarine" },
1130 { RGB_TO_ULONG(127, 255, 212), "aquamarine" },
1131 { RGB_TO_ULONG(0 , 100, 0 ), "dark green" },
1132 { RGB_TO_ULONG(0 , 100, 0 ), "DarkGreen" },
1133 { RGB_TO_ULONG(85 , 107, 47 ), "dark olive green" },
1134 { RGB_TO_ULONG(85 , 107, 47 ), "DarkOliveGreen" },
1135 { RGB_TO_ULONG(143, 188, 143), "dark sea green" },
1136 { RGB_TO_ULONG(143, 188, 143), "DarkSeaGreen" },
1137 { RGB_TO_ULONG(46 , 139, 87 ), "sea green" },
1138 { RGB_TO_ULONG(46 , 139, 87 ), "SeaGreen" },
1139 { RGB_TO_ULONG(60 , 179, 113), "medium sea green" },
1140 { RGB_TO_ULONG(60 , 179, 113), "MediumSeaGreen" },
1141 { RGB_TO_ULONG(32 , 178, 170), "light sea green" },
1142 { RGB_TO_ULONG(32 , 178, 170), "LightSeaGreen" },
1143 { RGB_TO_ULONG(152, 251, 152), "pale green" },
1144 { RGB_TO_ULONG(152, 251, 152), "PaleGreen" },
1145 { RGB_TO_ULONG(0 , 255, 127), "spring green" },
1146 { RGB_TO_ULONG(0 , 255, 127), "SpringGreen" },
1147 { RGB_TO_ULONG(124, 252, 0 ), "lawn green" },
1148 { RGB_TO_ULONG(124, 252, 0 ), "LawnGreen" },
1149 { RGB_TO_ULONG(0 , 255, 0 ), "green" },
1150 { RGB_TO_ULONG(127, 255, 0 ), "chartreuse" },
1151 { RGB_TO_ULONG(0 , 250, 154), "medium spring green" },
1152 { RGB_TO_ULONG(0 , 250, 154), "MediumSpringGreen" },
1153 { RGB_TO_ULONG(173, 255, 47 ), "green yellow" },
1154 { RGB_TO_ULONG(173, 255, 47 ), "GreenYellow" },
1155 { RGB_TO_ULONG(50 , 205, 50 ), "lime green" },
1156 { RGB_TO_ULONG(50 , 205, 50 ), "LimeGreen" },
1157 { RGB_TO_ULONG(154, 205, 50 ), "yellow green" },
1158 { RGB_TO_ULONG(154, 205, 50 ), "YellowGreen" },
1159 { RGB_TO_ULONG(34 , 139, 34 ), "forest green" },
1160 { RGB_TO_ULONG(34 , 139, 34 ), "ForestGreen" },
1161 { RGB_TO_ULONG(107, 142, 35 ), "olive drab" },
1162 { RGB_TO_ULONG(107, 142, 35 ), "OliveDrab" },
1163 { RGB_TO_ULONG(189, 183, 107), "dark khaki" },
1164 { RGB_TO_ULONG(189, 183, 107), "DarkKhaki" },
1165 { RGB_TO_ULONG(240, 230, 140), "khaki" },
1166 { RGB_TO_ULONG(238, 232, 170), "pale goldenrod" },
1167 { RGB_TO_ULONG(238, 232, 170), "PaleGoldenrod" },
1168 { RGB_TO_ULONG(250, 250, 210), "light goldenrod yellow" },
1169 { RGB_TO_ULONG(250, 250, 210), "LightGoldenrodYellow" },
1170 { RGB_TO_ULONG(255, 255, 224), "light yellow" },
1171 { RGB_TO_ULONG(255, 255, 224), "LightYellow" },
1172 { RGB_TO_ULONG(255, 255, 0 ), "yellow" },
1173 { RGB_TO_ULONG(255, 215, 0 ), "gold" },
1174 { RGB_TO_ULONG(238, 221, 130), "light goldenrod" },
1175 { RGB_TO_ULONG(238, 221, 130), "LightGoldenrod" },
1176 { RGB_TO_ULONG(218, 165, 32 ), "goldenrod" },
1177 { RGB_TO_ULONG(184, 134, 11 ), "dark goldenrod" },
1178 { RGB_TO_ULONG(184, 134, 11 ), "DarkGoldenrod" },
1179 { RGB_TO_ULONG(188, 143, 143), "rosy brown" },
1180 { RGB_TO_ULONG(188, 143, 143), "RosyBrown" },
1181 { RGB_TO_ULONG(205, 92 , 92 ), "indian red" },
1182 { RGB_TO_ULONG(205, 92 , 92 ), "IndianRed" },
1183 { RGB_TO_ULONG(139, 69 , 19 ), "saddle brown" },
1184 { RGB_TO_ULONG(139, 69 , 19 ), "SaddleBrown" },
1185 { RGB_TO_ULONG(160, 82 , 45 ), "sienna" },
1186 { RGB_TO_ULONG(205, 133, 63 ), "peru" },
1187 { RGB_TO_ULONG(222, 184, 135), "burlywood" },
1188 { RGB_TO_ULONG(245, 245, 220), "beige" },
1189 { RGB_TO_ULONG(245, 222, 179), "wheat" },
1190 { RGB_TO_ULONG(244, 164, 96 ), "sandy brown" },
1191 { RGB_TO_ULONG(244, 164, 96 ), "SandyBrown" },
1192 { RGB_TO_ULONG(210, 180, 140), "tan" },
1193 { RGB_TO_ULONG(210, 105, 30 ), "chocolate" },
1194 { RGB_TO_ULONG(178, 34 , 34 ), "firebrick" },
1195 { RGB_TO_ULONG(165, 42 , 42 ), "brown" },
1196 { RGB_TO_ULONG(233, 150, 122), "dark salmon" },
1197 { RGB_TO_ULONG(233, 150, 122), "DarkSalmon" },
1198 { RGB_TO_ULONG(250, 128, 114), "salmon" },
1199 { RGB_TO_ULONG(255, 160, 122), "light salmon" },
1200 { RGB_TO_ULONG(255, 160, 122), "LightSalmon" },
1201 { RGB_TO_ULONG(255, 165, 0 ), "orange" },
1202 { RGB_TO_ULONG(255, 140, 0 ), "dark orange" },
1203 { RGB_TO_ULONG(255, 140, 0 ), "DarkOrange" },
1204 { RGB_TO_ULONG(255, 127, 80 ), "coral" },
1205 { RGB_TO_ULONG(240, 128, 128), "light coral" },
1206 { RGB_TO_ULONG(240, 128, 128), "LightCoral" },
1207 { RGB_TO_ULONG(255, 99 , 71 ), "tomato" },
1208 { RGB_TO_ULONG(255, 69 , 0 ), "orange red" },
1209 { RGB_TO_ULONG(255, 69 , 0 ), "OrangeRed" },
1210 { RGB_TO_ULONG(255, 0 , 0 ), "red" },
1211 { RGB_TO_ULONG(255, 105, 180), "hot pink" },
1212 { RGB_TO_ULONG(255, 105, 180), "HotPink" },
1213 { RGB_TO_ULONG(255, 20 , 147), "deep pink" },
1214 { RGB_TO_ULONG(255, 20 , 147), "DeepPink" },
1215 { RGB_TO_ULONG(255, 192, 203), "pink" },
1216 { RGB_TO_ULONG(255, 182, 193), "light pink" },
1217 { RGB_TO_ULONG(255, 182, 193), "LightPink" },
1218 { RGB_TO_ULONG(219, 112, 147), "pale violet red" },
1219 { RGB_TO_ULONG(219, 112, 147), "PaleVioletRed" },
1220 { RGB_TO_ULONG(176, 48 , 96 ), "maroon" },
1221 { RGB_TO_ULONG(199, 21 , 133), "medium violet red" },
1222 { RGB_TO_ULONG(199, 21 , 133), "MediumVioletRed" },
1223 { RGB_TO_ULONG(208, 32 , 144), "violet red" },
1224 { RGB_TO_ULONG(208, 32 , 144), "VioletRed" },
1225 { RGB_TO_ULONG(255, 0 , 255), "magenta" },
1226 { RGB_TO_ULONG(238, 130, 238), "violet" },
1227 { RGB_TO_ULONG(221, 160, 221), "plum" },
1228 { RGB_TO_ULONG(218, 112, 214), "orchid" },
1229 { RGB_TO_ULONG(186, 85 , 211), "medium orchid" },
1230 { RGB_TO_ULONG(186, 85 , 211), "MediumOrchid" },
1231 { RGB_TO_ULONG(153, 50 , 204), "dark orchid" },
1232 { RGB_TO_ULONG(153, 50 , 204), "DarkOrchid" },
1233 { RGB_TO_ULONG(148, 0 , 211), "dark violet" },
1234 { RGB_TO_ULONG(148, 0 , 211), "DarkViolet" },
1235 { RGB_TO_ULONG(138, 43 , 226), "blue violet" },
1236 { RGB_TO_ULONG(138, 43 , 226), "BlueViolet" },
1237 { RGB_TO_ULONG(160, 32 , 240), "purple" },
1238 { RGB_TO_ULONG(147, 112, 219), "medium purple" },
1239 { RGB_TO_ULONG(147, 112, 219), "MediumPurple" },
1240 { RGB_TO_ULONG(216, 191, 216), "thistle" },
1241 { RGB_TO_ULONG(255, 250, 250), "snow1" },
1242 { RGB_TO_ULONG(238, 233, 233), "snow2" },
1243 { RGB_TO_ULONG(205, 201, 201), "snow3" },
1244 { RGB_TO_ULONG(139, 137, 137), "snow4" },
1245 { RGB_TO_ULONG(255, 245, 238), "seashell1" },
1246 { RGB_TO_ULONG(238, 229, 222), "seashell2" },
1247 { RGB_TO_ULONG(205, 197, 191), "seashell3" },
1248 { RGB_TO_ULONG(139, 134, 130), "seashell4" },
1249 { RGB_TO_ULONG(255, 239, 219), "AntiqueWhite1" },
1250 { RGB_TO_ULONG(238, 223, 204), "AntiqueWhite2" },
1251 { RGB_TO_ULONG(205, 192, 176), "AntiqueWhite3" },
1252 { RGB_TO_ULONG(139, 131, 120), "AntiqueWhite4" },
1253 { RGB_TO_ULONG(255, 228, 196), "bisque1" },
1254 { RGB_TO_ULONG(238, 213, 183), "bisque2" },
1255 { RGB_TO_ULONG(205, 183, 158), "bisque3" },
1256 { RGB_TO_ULONG(139, 125, 107), "bisque4" },
1257 { RGB_TO_ULONG(255, 218, 185), "PeachPuff1" },
1258 { RGB_TO_ULONG(238, 203, 173), "PeachPuff2" },
1259 { RGB_TO_ULONG(205, 175, 149), "PeachPuff3" },
1260 { RGB_TO_ULONG(139, 119, 101), "PeachPuff4" },
1261 { RGB_TO_ULONG(255, 222, 173), "NavajoWhite1" },
1262 { RGB_TO_ULONG(238, 207, 161), "NavajoWhite2" },
1263 { RGB_TO_ULONG(205, 179, 139), "NavajoWhite3" },
1264 { RGB_TO_ULONG(139, 121, 94), "NavajoWhite4" },
1265 { RGB_TO_ULONG(255, 250, 205), "LemonChiffon1" },
1266 { RGB_TO_ULONG(238, 233, 191), "LemonChiffon2" },
1267 { RGB_TO_ULONG(205, 201, 165), "LemonChiffon3" },
1268 { RGB_TO_ULONG(139, 137, 112), "LemonChiffon4" },
1269 { RGB_TO_ULONG(255, 248, 220), "cornsilk1" },
1270 { RGB_TO_ULONG(238, 232, 205), "cornsilk2" },
1271 { RGB_TO_ULONG(205, 200, 177), "cornsilk3" },
1272 { RGB_TO_ULONG(139, 136, 120), "cornsilk4" },
1273 { RGB_TO_ULONG(255, 255, 240), "ivory1" },
1274 { RGB_TO_ULONG(238, 238, 224), "ivory2" },
1275 { RGB_TO_ULONG(205, 205, 193), "ivory3" },
1276 { RGB_TO_ULONG(139, 139, 131), "ivory4" },
1277 { RGB_TO_ULONG(240, 255, 240), "honeydew1" },
1278 { RGB_TO_ULONG(224, 238, 224), "honeydew2" },
1279 { RGB_TO_ULONG(193, 205, 193), "honeydew3" },
1280 { RGB_TO_ULONG(131, 139, 131), "honeydew4" },
1281 { RGB_TO_ULONG(255, 240, 245), "LavenderBlush1" },
1282 { RGB_TO_ULONG(238, 224, 229), "LavenderBlush2" },
1283 { RGB_TO_ULONG(205, 193, 197), "LavenderBlush3" },
1284 { RGB_TO_ULONG(139, 131, 134), "LavenderBlush4" },
1285 { RGB_TO_ULONG(255, 228, 225), "MistyRose1" },
1286 { RGB_TO_ULONG(238, 213, 210), "MistyRose2" },
1287 { RGB_TO_ULONG(205, 183, 181), "MistyRose3" },
1288 { RGB_TO_ULONG(139, 125, 123), "MistyRose4" },
1289 { RGB_TO_ULONG(240, 255, 255), "azure1" },
1290 { RGB_TO_ULONG(224, 238, 238), "azure2" },
1291 { RGB_TO_ULONG(193, 205, 205), "azure3" },
1292 { RGB_TO_ULONG(131, 139, 139), "azure4" },
1293 { RGB_TO_ULONG(131, 111, 255), "SlateBlue1" },
1294 { RGB_TO_ULONG(122, 103, 238), "SlateBlue2" },
1295 { RGB_TO_ULONG(105, 89 , 205), "SlateBlue3" },
1296 { RGB_TO_ULONG(71 , 60 , 139), "SlateBlue4" },
1297 { RGB_TO_ULONG(72 , 118, 255), "RoyalBlue1" },
1298 { RGB_TO_ULONG(67 , 110, 238), "RoyalBlue2" },
1299 { RGB_TO_ULONG(58 , 95 , 205), "RoyalBlue3" },
1300 { RGB_TO_ULONG(39 , 64 , 139), "RoyalBlue4" },
1301 { RGB_TO_ULONG(0 , 0 , 255), "blue1" },
1302 { RGB_TO_ULONG(0 , 0 , 238), "blue2" },
1303 { RGB_TO_ULONG(0 , 0 , 205), "blue3" },
1304 { RGB_TO_ULONG(0 , 0 , 139), "blue4" },
1305 { RGB_TO_ULONG(30 , 144, 255), "DodgerBlue1" },
1306 { RGB_TO_ULONG(28 , 134, 238), "DodgerBlue2" },
1307 { RGB_TO_ULONG(24 , 116, 205), "DodgerBlue3" },
1308 { RGB_TO_ULONG(16 , 78 , 139), "DodgerBlue4" },
1309 { RGB_TO_ULONG(99 , 184, 255), "SteelBlue1" },
1310 { RGB_TO_ULONG(92 , 172, 238), "SteelBlue2" },
1311 { RGB_TO_ULONG(79 , 148, 205), "SteelBlue3" },
1312 { RGB_TO_ULONG(54 , 100, 139), "SteelBlue4" },
1313 { RGB_TO_ULONG(0 , 191, 255), "DeepSkyBlue1" },
1314 { RGB_TO_ULONG(0 , 178, 238), "DeepSkyBlue2" },
1315 { RGB_TO_ULONG(0 , 154, 205), "DeepSkyBlue3" },
1316 { RGB_TO_ULONG(0 , 104, 139), "DeepSkyBlue4" },
1317 { RGB_TO_ULONG(135, 206, 255), "SkyBlue1" },
1318 { RGB_TO_ULONG(126, 192, 238), "SkyBlue2" },
1319 { RGB_TO_ULONG(108, 166, 205), "SkyBlue3" },
1320 { RGB_TO_ULONG(74 , 112, 139), "SkyBlue4" },
1321 { RGB_TO_ULONG(176, 226, 255), "LightSkyBlue1" },
1322 { RGB_TO_ULONG(164, 211, 238), "LightSkyBlue2" },
1323 { RGB_TO_ULONG(141, 182, 205), "LightSkyBlue3" },
1324 { RGB_TO_ULONG(96 , 123, 139), "LightSkyBlue4" },
1325 { RGB_TO_ULONG(198, 226, 255), "SlateGray1" },
1326 { RGB_TO_ULONG(185, 211, 238), "SlateGray2" },
1327 { RGB_TO_ULONG(159, 182, 205), "SlateGray3" },
1328 { RGB_TO_ULONG(108, 123, 139), "SlateGray4" },
1329 { RGB_TO_ULONG(202, 225, 255), "LightSteelBlue1" },
1330 { RGB_TO_ULONG(188, 210, 238), "LightSteelBlue2" },
1331 { RGB_TO_ULONG(162, 181, 205), "LightSteelBlue3" },
1332 { RGB_TO_ULONG(110, 123, 139), "LightSteelBlue4" },
1333 { RGB_TO_ULONG(191, 239, 255), "LightBlue1" },
1334 { RGB_TO_ULONG(178, 223, 238), "LightBlue2" },
1335 { RGB_TO_ULONG(154, 192, 205), "LightBlue3" },
1336 { RGB_TO_ULONG(104, 131, 139), "LightBlue4" },
1337 { RGB_TO_ULONG(224, 255, 255), "LightCyan1" },
1338 { RGB_TO_ULONG(209, 238, 238), "LightCyan2" },
1339 { RGB_TO_ULONG(180, 205, 205), "LightCyan3" },
1340 { RGB_TO_ULONG(122, 139, 139), "LightCyan4" },
1341 { RGB_TO_ULONG(187, 255, 255), "PaleTurquoise1" },
1342 { RGB_TO_ULONG(174, 238, 238), "PaleTurquoise2" },
1343 { RGB_TO_ULONG(150, 205, 205), "PaleTurquoise3" },
1344 { RGB_TO_ULONG(102, 139, 139), "PaleTurquoise4" },
1345 { RGB_TO_ULONG(152, 245, 255), "CadetBlue1" },
1346 { RGB_TO_ULONG(142, 229, 238), "CadetBlue2" },
1347 { RGB_TO_ULONG(122, 197, 205), "CadetBlue3" },
1348 { RGB_TO_ULONG(83 , 134, 139), "CadetBlue4" },
1349 { RGB_TO_ULONG(0 , 245, 255), "turquoise1" },
1350 { RGB_TO_ULONG(0 , 229, 238), "turquoise2" },
1351 { RGB_TO_ULONG(0 , 197, 205), "turquoise3" },
1352 { RGB_TO_ULONG(0 , 134, 139), "turquoise4" },
1353 { RGB_TO_ULONG(0 , 255, 255), "cyan1" },
1354 { RGB_TO_ULONG(0 , 238, 238), "cyan2" },
1355 { RGB_TO_ULONG(0 , 205, 205), "cyan3" },
1356 { RGB_TO_ULONG(0 , 139, 139), "cyan4" },
1357 { RGB_TO_ULONG(151, 255, 255), "DarkSlateGray1" },
1358 { RGB_TO_ULONG(141, 238, 238), "DarkSlateGray2" },
1359 { RGB_TO_ULONG(121, 205, 205), "DarkSlateGray3" },
1360 { RGB_TO_ULONG(82 , 139, 139), "DarkSlateGray4" },
1361 { RGB_TO_ULONG(127, 255, 212), "aquamarine1" },
1362 { RGB_TO_ULONG(118, 238, 198), "aquamarine2" },
1363 { RGB_TO_ULONG(102, 205, 170), "aquamarine3" },
1364 { RGB_TO_ULONG(69 , 139, 116), "aquamarine4" },
1365 { RGB_TO_ULONG(193, 255, 193), "DarkSeaGreen1" },
1366 { RGB_TO_ULONG(180, 238, 180), "DarkSeaGreen2" },
1367 { RGB_TO_ULONG(155, 205, 155), "DarkSeaGreen3" },
1368 { RGB_TO_ULONG(105, 139, 105), "DarkSeaGreen4" },
1369 { RGB_TO_ULONG(84 , 255, 159), "SeaGreen1" },
1370 { RGB_TO_ULONG(78 , 238, 148), "SeaGreen2" },
1371 { RGB_TO_ULONG(67 , 205, 128), "SeaGreen3" },
1372 { RGB_TO_ULONG(46 , 139, 87 ), "SeaGreen4" },
1373 { RGB_TO_ULONG(154, 255, 154), "PaleGreen1" },
1374 { RGB_TO_ULONG(144, 238, 144), "PaleGreen2" },
1375 { RGB_TO_ULONG(124, 205, 124), "PaleGreen3" },
1376 { RGB_TO_ULONG(84 , 139, 84 ), "PaleGreen4" },
1377 { RGB_TO_ULONG(0 , 255, 127), "SpringGreen1" },
1378 { RGB_TO_ULONG(0 , 238, 118), "SpringGreen2" },
1379 { RGB_TO_ULONG(0 , 205, 102), "SpringGreen3" },
1380 { RGB_TO_ULONG(0 , 139, 69 ), "SpringGreen4" },
1381 { RGB_TO_ULONG(0 , 255, 0 ), "green1" },
1382 { RGB_TO_ULONG(0 , 238, 0 ), "green2" },
1383 { RGB_TO_ULONG(0 , 205, 0 ), "green3" },
1384 { RGB_TO_ULONG(0 , 139, 0 ), "green4" },
1385 { RGB_TO_ULONG(127, 255, 0 ), "chartreuse1" },
1386 { RGB_TO_ULONG(118, 238, 0 ), "chartreuse2" },
1387 { RGB_TO_ULONG(102, 205, 0 ), "chartreuse3" },
1388 { RGB_TO_ULONG(69 , 139, 0 ), "chartreuse4" },
1389 { RGB_TO_ULONG(192, 255, 62 ), "OliveDrab1" },
1390 { RGB_TO_ULONG(179, 238, 58 ), "OliveDrab2" },
1391 { RGB_TO_ULONG(154, 205, 50 ), "OliveDrab3" },
1392 { RGB_TO_ULONG(105, 139, 34 ), "OliveDrab4" },
1393 { RGB_TO_ULONG(202, 255, 112), "DarkOliveGreen1" },
1394 { RGB_TO_ULONG(188, 238, 104), "DarkOliveGreen2" },
1395 { RGB_TO_ULONG(162, 205, 90 ), "DarkOliveGreen3" },
1396 { RGB_TO_ULONG(110, 139, 61 ), "DarkOliveGreen4" },
1397 { RGB_TO_ULONG(255, 246, 143), "khaki1" },
1398 { RGB_TO_ULONG(238, 230, 133), "khaki2" },
1399 { RGB_TO_ULONG(205, 198, 115), "khaki3" },
1400 { RGB_TO_ULONG(139, 134, 78 ), "khaki4" },
1401 { RGB_TO_ULONG(255, 236, 139), "LightGoldenrod1" },
1402 { RGB_TO_ULONG(238, 220, 130), "LightGoldenrod2" },
1403 { RGB_TO_ULONG(205, 190, 112), "LightGoldenrod3" },
1404 { RGB_TO_ULONG(139, 129, 76 ), "LightGoldenrod4" },
1405 { RGB_TO_ULONG(255, 255, 224), "LightYellow1" },
1406 { RGB_TO_ULONG(238, 238, 209), "LightYellow2" },
1407 { RGB_TO_ULONG(205, 205, 180), "LightYellow3" },
1408 { RGB_TO_ULONG(139, 139, 122), "LightYellow4" },
1409 { RGB_TO_ULONG(255, 255, 0 ), "yellow1" },
1410 { RGB_TO_ULONG(238, 238, 0 ), "yellow2" },
1411 { RGB_TO_ULONG(205, 205, 0 ), "yellow3" },
1412 { RGB_TO_ULONG(139, 139, 0 ), "yellow4" },
1413 { RGB_TO_ULONG(255, 215, 0 ), "gold1" },
1414 { RGB_TO_ULONG(238, 201, 0 ), "gold2" },
1415 { RGB_TO_ULONG(205, 173, 0 ), "gold3" },
1416 { RGB_TO_ULONG(139, 117, 0 ), "gold4" },
1417 { RGB_TO_ULONG(255, 193, 37 ), "goldenrod1" },
1418 { RGB_TO_ULONG(238, 180, 34 ), "goldenrod2" },
1419 { RGB_TO_ULONG(205, 155, 29 ), "goldenrod3" },
1420 { RGB_TO_ULONG(139, 105, 20 ), "goldenrod4" },
1421 { RGB_TO_ULONG(255, 185, 15 ), "DarkGoldenrod1" },
1422 { RGB_TO_ULONG(238, 173, 14 ), "DarkGoldenrod2" },
1423 { RGB_TO_ULONG(205, 149, 12 ), "DarkGoldenrod3" },
1424 { RGB_TO_ULONG(139, 101, 8 ), "DarkGoldenrod4" },
1425 { RGB_TO_ULONG(255, 193, 193), "RosyBrown1" },
1426 { RGB_TO_ULONG(238, 180, 180), "RosyBrown2" },
1427 { RGB_TO_ULONG(205, 155, 155), "RosyBrown3" },
1428 { RGB_TO_ULONG(139, 105, 105), "RosyBrown4" },
1429 { RGB_TO_ULONG(255, 106, 106), "IndianRed1" },
1430 { RGB_TO_ULONG(238, 99 , 99 ), "IndianRed2" },
1431 { RGB_TO_ULONG(205, 85 , 85 ), "IndianRed3" },
1432 { RGB_TO_ULONG(139, 58 , 58 ), "IndianRed4" },
1433 { RGB_TO_ULONG(255, 130, 71 ), "sienna1" },
1434 { RGB_TO_ULONG(238, 121, 66 ), "sienna2" },
1435 { RGB_TO_ULONG(205, 104, 57 ), "sienna3" },
1436 { RGB_TO_ULONG(139, 71 , 38 ), "sienna4" },
1437 { RGB_TO_ULONG(255, 211, 155), "burlywood1" },
1438 { RGB_TO_ULONG(238, 197, 145), "burlywood2" },
1439 { RGB_TO_ULONG(205, 170, 125), "burlywood3" },
1440 { RGB_TO_ULONG(139, 115, 85 ), "burlywood4" },
1441 { RGB_TO_ULONG(255, 231, 186), "wheat1" },
1442 { RGB_TO_ULONG(238, 216, 174), "wheat2" },
1443 { RGB_TO_ULONG(205, 186, 150), "wheat3" },
1444 { RGB_TO_ULONG(139, 126, 102), "wheat4" },
1445 { RGB_TO_ULONG(255, 165, 79 ), "tan1" },
1446 { RGB_TO_ULONG(238, 154, 73 ), "tan2" },
1447 { RGB_TO_ULONG(205, 133, 63 ), "tan3" },
1448 { RGB_TO_ULONG(139, 90 , 43 ), "tan4" },
1449 { RGB_TO_ULONG(255, 127, 36 ), "chocolate1" },
1450 { RGB_TO_ULONG(238, 118, 33 ), "chocolate2" },
1451 { RGB_TO_ULONG(205, 102, 29 ), "chocolate3" },
1452 { RGB_TO_ULONG(139, 69 , 19 ), "chocolate4" },
1453 { RGB_TO_ULONG(255, 48 , 48 ), "firebrick1" },
1454 { RGB_TO_ULONG(238, 44 , 44 ), "firebrick2" },
1455 { RGB_TO_ULONG(205, 38 , 38 ), "firebrick3" },
1456 { RGB_TO_ULONG(139, 26 , 26 ), "firebrick4" },
1457 { RGB_TO_ULONG(255, 64 , 64 ), "brown1" },
1458 { RGB_TO_ULONG(238, 59 , 59 ), "brown2" },
1459 { RGB_TO_ULONG(205, 51 , 51 ), "brown3" },
1460 { RGB_TO_ULONG(139, 35 , 35 ), "brown4" },
1461 { RGB_TO_ULONG(255, 140, 105), "salmon1" },
1462 { RGB_TO_ULONG(238, 130, 98 ), "salmon2" },
1463 { RGB_TO_ULONG(205, 112, 84 ), "salmon3" },
1464 { RGB_TO_ULONG(139, 76 , 57 ), "salmon4" },
1465 { RGB_TO_ULONG(255, 160, 122), "LightSalmon1" },
1466 { RGB_TO_ULONG(238, 149, 114), "LightSalmon2" },
1467 { RGB_TO_ULONG(205, 129, 98 ), "LightSalmon3" },
1468 { RGB_TO_ULONG(139, 87 , 66 ), "LightSalmon4" },
1469 { RGB_TO_ULONG(255, 165, 0 ), "orange1" },
1470 { RGB_TO_ULONG(238, 154, 0 ), "orange2" },
1471 { RGB_TO_ULONG(205, 133, 0 ), "orange3" },
1472 { RGB_TO_ULONG(139, 90 , 0 ), "orange4" },
1473 { RGB_TO_ULONG(255, 127, 0 ), "DarkOrange1" },
1474 { RGB_TO_ULONG(238, 118, 0 ), "DarkOrange2" },
1475 { RGB_TO_ULONG(205, 102, 0 ), "DarkOrange3" },
1476 { RGB_TO_ULONG(139, 69 , 0 ), "DarkOrange4" },
1477 { RGB_TO_ULONG(255, 114, 86 ), "coral1" },
1478 { RGB_TO_ULONG(238, 106, 80 ), "coral2" },
1479 { RGB_TO_ULONG(205, 91 , 69 ), "coral3" },
1480 { RGB_TO_ULONG(139, 62 , 47 ), "coral4" },
1481 { RGB_TO_ULONG(255, 99 , 71 ), "tomato1" },
1482 { RGB_TO_ULONG(238, 92 , 66 ), "tomato2" },
1483 { RGB_TO_ULONG(205, 79 , 57 ), "tomato3" },
1484 { RGB_TO_ULONG(139, 54 , 38 ), "tomato4" },
1485 { RGB_TO_ULONG(255, 69 , 0 ), "OrangeRed1" },
1486 { RGB_TO_ULONG(238, 64 , 0 ), "OrangeRed2" },
1487 { RGB_TO_ULONG(205, 55 , 0 ), "OrangeRed3" },
1488 { RGB_TO_ULONG(139, 37 , 0 ), "OrangeRed4" },
1489 { RGB_TO_ULONG(255, 0 , 0 ), "red1" },
1490 { RGB_TO_ULONG(238, 0 , 0 ), "red2" },
1491 { RGB_TO_ULONG(205, 0 , 0 ), "red3" },
1492 { RGB_TO_ULONG(139, 0 , 0 ), "red4" },
1493 { RGB_TO_ULONG(255, 20 , 147), "DeepPink1" },
1494 { RGB_TO_ULONG(238, 18 , 137), "DeepPink2" },
1495 { RGB_TO_ULONG(205, 16 , 118), "DeepPink3" },
1496 { RGB_TO_ULONG(139, 10 , 80 ), "DeepPink4" },
1497 { RGB_TO_ULONG(255, 110, 180), "HotPink1" },
1498 { RGB_TO_ULONG(238, 106, 167), "HotPink2" },
1499 { RGB_TO_ULONG(205, 96 , 144), "HotPink3" },
1500 { RGB_TO_ULONG(139, 58 , 98 ), "HotPink4" },
1501 { RGB_TO_ULONG(255, 181, 197), "pink1" },
1502 { RGB_TO_ULONG(238, 169, 184), "pink2" },
1503 { RGB_TO_ULONG(205, 145, 158), "pink3" },
1504 { RGB_TO_ULONG(139, 99 , 108), "pink4" },
1505 { RGB_TO_ULONG(255, 174, 185), "LightPink1" },
1506 { RGB_TO_ULONG(238, 162, 173), "LightPink2" },
1507 { RGB_TO_ULONG(205, 140, 149), "LightPink3" },
1508 { RGB_TO_ULONG(139, 95 , 101), "LightPink4" },
1509 { RGB_TO_ULONG(255, 130, 171), "PaleVioletRed1" },
1510 { RGB_TO_ULONG(238, 121, 159), "PaleVioletRed2" },
1511 { RGB_TO_ULONG(205, 104, 137), "PaleVioletRed3" },
1512 { RGB_TO_ULONG(139, 71 , 93 ), "PaleVioletRed4" },
1513 { RGB_TO_ULONG(255, 52 , 179), "maroon1" },
1514 { RGB_TO_ULONG(238, 48 , 167), "maroon2" },
1515 { RGB_TO_ULONG(205, 41 , 144), "maroon3" },
1516 { RGB_TO_ULONG(139, 28 , 98 ), "maroon4" },
1517 { RGB_TO_ULONG(255, 62 , 150), "VioletRed1" },
1518 { RGB_TO_ULONG(238, 58 , 140), "VioletRed2" },
1519 { RGB_TO_ULONG(205, 50 , 120), "VioletRed3" },
1520 { RGB_TO_ULONG(139, 34 , 82 ), "VioletRed4" },
1521 { RGB_TO_ULONG(255, 0 , 255), "magenta1" },
1522 { RGB_TO_ULONG(238, 0 , 238), "magenta2" },
1523 { RGB_TO_ULONG(205, 0 , 205), "magenta3" },
1524 { RGB_TO_ULONG(139, 0 , 139), "magenta4" },
1525 { RGB_TO_ULONG(255, 131, 250), "orchid1" },
1526 { RGB_TO_ULONG(238, 122, 233), "orchid2" },
1527 { RGB_TO_ULONG(205, 105, 201), "orchid3" },
1528 { RGB_TO_ULONG(139, 71 , 137), "orchid4" },
1529 { RGB_TO_ULONG(255, 187, 255), "plum1" },
1530 { RGB_TO_ULONG(238, 174, 238), "plum2" },
1531 { RGB_TO_ULONG(205, 150, 205), "plum3" },
1532 { RGB_TO_ULONG(139, 102, 139), "plum4" },
1533 { RGB_TO_ULONG(224, 102, 255), "MediumOrchid1" },
1534 { RGB_TO_ULONG(209, 95 , 238), "MediumOrchid2" },
1535 { RGB_TO_ULONG(180, 82 , 205), "MediumOrchid3" },
1536 { RGB_TO_ULONG(122, 55 , 139), "MediumOrchid4" },
1537 { RGB_TO_ULONG(191, 62 , 255), "DarkOrchid1" },
1538 { RGB_TO_ULONG(178, 58 , 238), "DarkOrchid2" },
1539 { RGB_TO_ULONG(154, 50 , 205), "DarkOrchid3" },
1540 { RGB_TO_ULONG(104, 34 , 139), "DarkOrchid4" },
1541 { RGB_TO_ULONG(155, 48 , 255), "purple1" },
1542 { RGB_TO_ULONG(145, 44 , 238), "purple2" },
1543 { RGB_TO_ULONG(125, 38 , 205), "purple3" },
1544 { RGB_TO_ULONG(85 , 26 , 139), "purple4" },
1545 { RGB_TO_ULONG(171, 130, 255), "MediumPurple1" },
1546 { RGB_TO_ULONG(159, 121, 238), "MediumPurple2" },
1547 { RGB_TO_ULONG(137, 104, 205), "MediumPurple3" },
1548 { RGB_TO_ULONG(93 , 71 , 139), "MediumPurple4" },
1549 { RGB_TO_ULONG(255, 225, 255), "thistle1" },
1550 { RGB_TO_ULONG(238, 210, 238), "thistle2" },
1551 { RGB_TO_ULONG(205, 181, 205), "thistle3" },
1552 { RGB_TO_ULONG(139, 123, 139), "thistle4" },
1553 { RGB_TO_ULONG(0 , 0 , 0 ), "gray0" },
1554 { RGB_TO_ULONG(0 , 0 , 0 ), "grey0" },
1555 { RGB_TO_ULONG(3 , 3 , 3 ), "gray1" },
1556 { RGB_TO_ULONG(3 , 3 , 3 ), "grey1" },
1557 { RGB_TO_ULONG(5 , 5 , 5 ), "gray2" },
1558 { RGB_TO_ULONG(5 , 5 , 5 ), "grey2" },
1559 { RGB_TO_ULONG(8 , 8 , 8 ), "gray3" },
1560 { RGB_TO_ULONG(8 , 8 , 8 ), "grey3" },
1561 { RGB_TO_ULONG(10 , 10 , 10 ), "gray4" },
1562 { RGB_TO_ULONG(10 , 10 , 10 ), "grey4" },
1563 { RGB_TO_ULONG(13 , 13 , 13 ), "gray5" },
1564 { RGB_TO_ULONG(13 , 13 , 13 ), "grey5" },
1565 { RGB_TO_ULONG(15 , 15 , 15 ), "gray6" },
1566 { RGB_TO_ULONG(15 , 15 , 15 ), "grey6" },
1567 { RGB_TO_ULONG(18 , 18 , 18 ), "gray7" },
1568 { RGB_TO_ULONG(18 , 18 , 18 ), "grey7" },
1569 { RGB_TO_ULONG(20 , 20 , 20 ), "gray8" },
1570 { RGB_TO_ULONG(20 , 20 , 20 ), "grey8" },
1571 { RGB_TO_ULONG(23 , 23 , 23 ), "gray9" },
1572 { RGB_TO_ULONG(23 , 23 , 23 ), "grey9" },
1573 { RGB_TO_ULONG(26 , 26 , 26 ), "gray10" },
1574 { RGB_TO_ULONG(26 , 26 , 26 ), "grey10" },
1575 { RGB_TO_ULONG(28 , 28 , 28 ), "gray11" },
1576 { RGB_TO_ULONG(28 , 28 , 28 ), "grey11" },
1577 { RGB_TO_ULONG(31 , 31 , 31 ), "gray12" },
1578 { RGB_TO_ULONG(31 , 31 , 31 ), "grey12" },
1579 { RGB_TO_ULONG(33 , 33 , 33 ), "gray13" },
1580 { RGB_TO_ULONG(33 , 33 , 33 ), "grey13" },
1581 { RGB_TO_ULONG(36 , 36 , 36 ), "gray14" },
1582 { RGB_TO_ULONG(36 , 36 , 36 ), "grey14" },
1583 { RGB_TO_ULONG(38 , 38 , 38 ), "gray15" },
1584 { RGB_TO_ULONG(38 , 38 , 38 ), "grey15" },
1585 { RGB_TO_ULONG(41 , 41 , 41 ), "gray16" },
1586 { RGB_TO_ULONG(41 , 41 , 41 ), "grey16" },
1587 { RGB_TO_ULONG(43 , 43 , 43 ), "gray17" },
1588 { RGB_TO_ULONG(43 , 43 , 43 ), "grey17" },
1589 { RGB_TO_ULONG(46 , 46 , 46 ), "gray18" },
1590 { RGB_TO_ULONG(46 , 46 , 46 ), "grey18" },
1591 { RGB_TO_ULONG(48 , 48 , 48 ), "gray19" },
1592 { RGB_TO_ULONG(48 , 48 , 48 ), "grey19" },
1593 { RGB_TO_ULONG(51 , 51 , 51 ), "gray20" },
1594 { RGB_TO_ULONG(51 , 51 , 51 ), "grey20" },
1595 { RGB_TO_ULONG(54 , 54 , 54 ), "gray21" },
1596 { RGB_TO_ULONG(54 , 54 , 54 ), "grey21" },
1597 { RGB_TO_ULONG(56 , 56 , 56 ), "gray22" },
1598 { RGB_TO_ULONG(56 , 56 , 56 ), "grey22" },
1599 { RGB_TO_ULONG(59 , 59 , 59 ), "gray23" },
1600 { RGB_TO_ULONG(59 , 59 , 59 ), "grey23" },
1601 { RGB_TO_ULONG(61 , 61 , 61 ), "gray24" },
1602 { RGB_TO_ULONG(61 , 61 , 61 ), "grey24" },
1603 { RGB_TO_ULONG(64 , 64 , 64 ), "gray25" },
1604 { RGB_TO_ULONG(64 , 64 , 64 ), "grey25" },
1605 { RGB_TO_ULONG(66 , 66 , 66 ), "gray26" },
1606 { RGB_TO_ULONG(66 , 66 , 66 ), "grey26" },
1607 { RGB_TO_ULONG(69 , 69 , 69 ), "gray27" },
1608 { RGB_TO_ULONG(69 , 69 , 69 ), "grey27" },
1609 { RGB_TO_ULONG(71 , 71 , 71 ), "gray28" },
1610 { RGB_TO_ULONG(71 , 71 , 71 ), "grey28" },
1611 { RGB_TO_ULONG(74 , 74 , 74 ), "gray29" },
1612 { RGB_TO_ULONG(74 , 74 , 74 ), "grey29" },
1613 { RGB_TO_ULONG(77 , 77 , 77 ), "gray30" },
1614 { RGB_TO_ULONG(77 , 77 , 77 ), "grey30" },
1615 { RGB_TO_ULONG(79 , 79 , 79 ), "gray31" },
1616 { RGB_TO_ULONG(79 , 79 , 79 ), "grey31" },
1617 { RGB_TO_ULONG(82 , 82 , 82 ), "gray32" },
1618 { RGB_TO_ULONG(82 , 82 , 82 ), "grey32" },
1619 { RGB_TO_ULONG(84 , 84 , 84 ), "gray33" },
1620 { RGB_TO_ULONG(84 , 84 , 84 ), "grey33" },
1621 { RGB_TO_ULONG(87 , 87 , 87 ), "gray34" },
1622 { RGB_TO_ULONG(87 , 87 , 87 ), "grey34" },
1623 { RGB_TO_ULONG(89 , 89 , 89 ), "gray35" },
1624 { RGB_TO_ULONG(89 , 89 , 89 ), "grey35" },
1625 { RGB_TO_ULONG(92 , 92 , 92 ), "gray36" },
1626 { RGB_TO_ULONG(92 , 92 , 92 ), "grey36" },
1627 { RGB_TO_ULONG(94 , 94 , 94 ), "gray37" },
1628 { RGB_TO_ULONG(94 , 94 , 94 ), "grey37" },
1629 { RGB_TO_ULONG(97 , 97 , 97 ), "gray38" },
1630 { RGB_TO_ULONG(97 , 97 , 97 ), "grey38" },
1631 { RGB_TO_ULONG(99 , 99 , 99 ), "gray39" },
1632 { RGB_TO_ULONG(99 , 99 , 99 ), "grey39" },
1633 { RGB_TO_ULONG(102, 102, 102), "gray40" },
1634 { RGB_TO_ULONG(102, 102, 102), "grey40" },
1635 { RGB_TO_ULONG(105, 105, 105), "gray41" },
1636 { RGB_TO_ULONG(105, 105, 105), "grey41" },
1637 { RGB_TO_ULONG(107, 107, 107), "gray42" },
1638 { RGB_TO_ULONG(107, 107, 107), "grey42" },
1639 { RGB_TO_ULONG(110, 110, 110), "gray43" },
1640 { RGB_TO_ULONG(110, 110, 110), "grey43" },
1641 { RGB_TO_ULONG(112, 112, 112), "gray44" },
1642 { RGB_TO_ULONG(112, 112, 112), "grey44" },
1643 { RGB_TO_ULONG(115, 115, 115), "gray45" },
1644 { RGB_TO_ULONG(115, 115, 115), "grey45" },
1645 { RGB_TO_ULONG(117, 117, 117), "gray46" },
1646 { RGB_TO_ULONG(117, 117, 117), "grey46" },
1647 { RGB_TO_ULONG(120, 120, 120), "gray47" },
1648 { RGB_TO_ULONG(120, 120, 120), "grey47" },
1649 { RGB_TO_ULONG(122, 122, 122), "gray48" },
1650 { RGB_TO_ULONG(122, 122, 122), "grey48" },
1651 { RGB_TO_ULONG(125, 125, 125), "gray49" },
1652 { RGB_TO_ULONG(125, 125, 125), "grey49" },
1653 { RGB_TO_ULONG(127, 127, 127), "gray50" },
1654 { RGB_TO_ULONG(127, 127, 127), "grey50" },
1655 { RGB_TO_ULONG(130, 130, 130), "gray51" },
1656 { RGB_TO_ULONG(130, 130, 130), "grey51" },
1657 { RGB_TO_ULONG(133, 133, 133), "gray52" },
1658 { RGB_TO_ULONG(133, 133, 133), "grey52" },
1659 { RGB_TO_ULONG(135, 135, 135), "gray53" },
1660 { RGB_TO_ULONG(135, 135, 135), "grey53" },
1661 { RGB_TO_ULONG(138, 138, 138), "gray54" },
1662 { RGB_TO_ULONG(138, 138, 138), "grey54" },
1663 { RGB_TO_ULONG(140, 140, 140), "gray55" },
1664 { RGB_TO_ULONG(140, 140, 140), "grey55" },
1665 { RGB_TO_ULONG(143, 143, 143), "gray56" },
1666 { RGB_TO_ULONG(143, 143, 143), "grey56" },
1667 { RGB_TO_ULONG(145, 145, 145), "gray57" },
1668 { RGB_TO_ULONG(145, 145, 145), "grey57" },
1669 { RGB_TO_ULONG(148, 148, 148), "gray58" },
1670 { RGB_TO_ULONG(148, 148, 148), "grey58" },
1671 { RGB_TO_ULONG(150, 150, 150), "gray59" },
1672 { RGB_TO_ULONG(150, 150, 150), "grey59" },
1673 { RGB_TO_ULONG(153, 153, 153), "gray60" },
1674 { RGB_TO_ULONG(153, 153, 153), "grey60" },
1675 { RGB_TO_ULONG(156, 156, 156), "gray61" },
1676 { RGB_TO_ULONG(156, 156, 156), "grey61" },
1677 { RGB_TO_ULONG(158, 158, 158), "gray62" },
1678 { RGB_TO_ULONG(158, 158, 158), "grey62" },
1679 { RGB_TO_ULONG(161, 161, 161), "gray63" },
1680 { RGB_TO_ULONG(161, 161, 161), "grey63" },
1681 { RGB_TO_ULONG(163, 163, 163), "gray64" },
1682 { RGB_TO_ULONG(163, 163, 163), "grey64" },
1683 { RGB_TO_ULONG(166, 166, 166), "gray65" },
1684 { RGB_TO_ULONG(166, 166, 166), "grey65" },
1685 { RGB_TO_ULONG(168, 168, 168), "gray66" },
1686 { RGB_TO_ULONG(168, 168, 168), "grey66" },
1687 { RGB_TO_ULONG(171, 171, 171), "gray67" },
1688 { RGB_TO_ULONG(171, 171, 171), "grey67" },
1689 { RGB_TO_ULONG(173, 173, 173), "gray68" },
1690 { RGB_TO_ULONG(173, 173, 173), "grey68" },
1691 { RGB_TO_ULONG(176, 176, 176), "gray69" },
1692 { RGB_TO_ULONG(176, 176, 176), "grey69" },
1693 { RGB_TO_ULONG(179, 179, 179), "gray70" },
1694 { RGB_TO_ULONG(179, 179, 179), "grey70" },
1695 { RGB_TO_ULONG(181, 181, 181), "gray71" },
1696 { RGB_TO_ULONG(181, 181, 181), "grey71" },
1697 { RGB_TO_ULONG(184, 184, 184), "gray72" },
1698 { RGB_TO_ULONG(184, 184, 184), "grey72" },
1699 { RGB_TO_ULONG(186, 186, 186), "gray73" },
1700 { RGB_TO_ULONG(186, 186, 186), "grey73" },
1701 { RGB_TO_ULONG(189, 189, 189), "gray74" },
1702 { RGB_TO_ULONG(189, 189, 189), "grey74" },
1703 { RGB_TO_ULONG(191, 191, 191), "gray75" },
1704 { RGB_TO_ULONG(191, 191, 191), "grey75" },
1705 { RGB_TO_ULONG(194, 194, 194), "gray76" },
1706 { RGB_TO_ULONG(194, 194, 194), "grey76" },
1707 { RGB_TO_ULONG(196, 196, 196), "gray77" },
1708 { RGB_TO_ULONG(196, 196, 196), "grey77" },
1709 { RGB_TO_ULONG(199, 199, 199), "gray78" },
1710 { RGB_TO_ULONG(199, 199, 199), "grey78" },
1711 { RGB_TO_ULONG(201, 201, 201), "gray79" },
1712 { RGB_TO_ULONG(201, 201, 201), "grey79" },
1713 { RGB_TO_ULONG(204, 204, 204), "gray80" },
1714 { RGB_TO_ULONG(204, 204, 204), "grey80" },
1715 { RGB_TO_ULONG(207, 207, 207), "gray81" },
1716 { RGB_TO_ULONG(207, 207, 207), "grey81" },
1717 { RGB_TO_ULONG(209, 209, 209), "gray82" },
1718 { RGB_TO_ULONG(209, 209, 209), "grey82" },
1719 { RGB_TO_ULONG(212, 212, 212), "gray83" },
1720 { RGB_TO_ULONG(212, 212, 212), "grey83" },
1721 { RGB_TO_ULONG(214, 214, 214), "gray84" },
1722 { RGB_TO_ULONG(214, 214, 214), "grey84" },
1723 { RGB_TO_ULONG(217, 217, 217), "gray85" },
1724 { RGB_TO_ULONG(217, 217, 217), "grey85" },
1725 { RGB_TO_ULONG(219, 219, 219), "gray86" },
1726 { RGB_TO_ULONG(219, 219, 219), "grey86" },
1727 { RGB_TO_ULONG(222, 222, 222), "gray87" },
1728 { RGB_TO_ULONG(222, 222, 222), "grey87" },
1729 { RGB_TO_ULONG(224, 224, 224), "gray88" },
1730 { RGB_TO_ULONG(224, 224, 224), "grey88" },
1731 { RGB_TO_ULONG(227, 227, 227), "gray89" },
1732 { RGB_TO_ULONG(227, 227, 227), "grey89" },
1733 { RGB_TO_ULONG(229, 229, 229), "gray90" },
1734 { RGB_TO_ULONG(229, 229, 229), "grey90" },
1735 { RGB_TO_ULONG(232, 232, 232), "gray91" },
1736 { RGB_TO_ULONG(232, 232, 232), "grey91" },
1737 { RGB_TO_ULONG(235, 235, 235), "gray92" },
1738 { RGB_TO_ULONG(235, 235, 235), "grey92" },
1739 { RGB_TO_ULONG(237, 237, 237), "gray93" },
1740 { RGB_TO_ULONG(237, 237, 237), "grey93" },
1741 { RGB_TO_ULONG(240, 240, 240), "gray94" },
1742 { RGB_TO_ULONG(240, 240, 240), "grey94" },
1743 { RGB_TO_ULONG(242, 242, 242), "gray95" },
1744 { RGB_TO_ULONG(242, 242, 242), "grey95" },
1745 { RGB_TO_ULONG(245, 245, 245), "gray96" },
1746 { RGB_TO_ULONG(245, 245, 245), "grey96" },
1747 { RGB_TO_ULONG(247, 247, 247), "gray97" },
1748 { RGB_TO_ULONG(247, 247, 247), "grey97" },
1749 { RGB_TO_ULONG(250, 250, 250), "gray98" },
1750 { RGB_TO_ULONG(250, 250, 250), "grey98" },
1751 { RGB_TO_ULONG(252, 252, 252), "gray99" },
1752 { RGB_TO_ULONG(252, 252, 252), "grey99" },
1753 { RGB_TO_ULONG(255, 255, 255), "gray100" },
1754 { RGB_TO_ULONG(255, 255, 255), "grey100" },
1755 { RGB_TO_ULONG(169, 169, 169), "dark grey" },
1756 { RGB_TO_ULONG(169, 169, 169), "DarkGrey" },
1757 { RGB_TO_ULONG(169, 169, 169), "dark gray" },
1758 { RGB_TO_ULONG(169, 169, 169), "DarkGray" },
1759 { RGB_TO_ULONG(0 , 0 , 139), "dark blue" },
1760 { RGB_TO_ULONG(0 , 0 , 139), "DarkBlue" },
1761 { RGB_TO_ULONG(0 , 139, 139), "dark cyan" },
1762 { RGB_TO_ULONG(0 , 139, 139), "DarkCyan" },
1763 { RGB_TO_ULONG(139, 0 , 139), "dark magenta" },
1764 { RGB_TO_ULONG(139, 0 , 139), "DarkMagenta" },
1765 { RGB_TO_ULONG(139, 0 , 0 ), "dark red" },
1766 { RGB_TO_ULONG(139, 0 , 0 ), "DarkRed" },
1767 { RGB_TO_ULONG(144, 238, 144), "light green" },
1768 { RGB_TO_ULONG(144, 238, 144), "LightGreen" }
1769 };
1770
1771 unsigned long
1772 mac_color_map_lookup (colorname)
1773 char *colorname;
1774 {
1775 Lisp_Object ret = Qnil;
1776 int i;
1777
1778 BLOCK_INPUT;
1779
1780 for (i = 0; i < sizeof (mac_color_map) / sizeof (mac_color_map[0]); i++)
1781 if (stricmp (colorname, mac_color_map[i].name) == 0)
1782 {
1783 ret = mac_color_map[i].color;
1784 break;
1785 }
1786
1787 UNBLOCK_INPUT;
1788
1789 return ret;
1790 }
1791
1792 Lisp_Object
1793 x_to_mac_color (colorname)
1794 char * colorname;
1795 {
1796 register Lisp_Object tail, ret = Qnil;
1797
1798 BLOCK_INPUT;
1799
1800 if (colorname[0] == '#')
1801 {
1802 /* Could be an old-style RGB Device specification. */
1803 char *color;
1804 int size;
1805 color = colorname + 1;
1806
1807 size = strlen(color);
1808 if (size == 3 || size == 6 || size == 9 || size == 12)
1809 {
1810 unsigned long colorval;
1811 int i, pos;
1812 pos = 0;
1813 size /= 3;
1814 colorval = 0;
1815
1816 for (i = 0; i < 3; i++)
1817 {
1818 char *end;
1819 char t;
1820 unsigned long value;
1821
1822 /* The check for 'x' in the following conditional takes into
1823 account the fact that strtol allows a "0x" in front of
1824 our numbers, and we don't. */
1825 if (!isxdigit(color[0]) || color[1] == 'x')
1826 break;
1827 t = color[size];
1828 color[size] = '\0';
1829 value = strtoul(color, &end, 16);
1830 color[size] = t;
1831 if (errno == ERANGE || end - color != size)
1832 break;
1833 switch (size)
1834 {
1835 case 1:
1836 value = value * 0x10;
1837 break;
1838 case 2:
1839 break;
1840 case 3:
1841 value /= 0x10;
1842 break;
1843 case 4:
1844 value /= 0x100;
1845 break;
1846 }
1847 colorval |= (value << pos);
1848 pos += 0x8;
1849 if (i == 2)
1850 {
1851 UNBLOCK_INPUT;
1852 return (colorval);
1853 }
1854 color = end;
1855 }
1856 }
1857 }
1858 else if (strnicmp(colorname, "rgb:", 4) == 0)
1859 {
1860 char *color;
1861 unsigned long colorval;
1862 int i, pos;
1863 pos = 0;
1864
1865 colorval = 0;
1866 color = colorname + 4;
1867 for (i = 0; i < 3; i++)
1868 {
1869 char *end;
1870 unsigned long value;
1871
1872 /* The check for 'x' in the following conditional takes into
1873 account the fact that strtol allows a "0x" in front of
1874 our numbers, and we don't. */
1875 if (!isxdigit(color[0]) || color[1] == 'x')
1876 break;
1877 value = strtoul(color, &end, 16);
1878 if (errno == ERANGE)
1879 break;
1880 switch (end - color)
1881 {
1882 case 1:
1883 value = value * 0x10 + value;
1884 break;
1885 case 2:
1886 break;
1887 case 3:
1888 value /= 0x10;
1889 break;
1890 case 4:
1891 value /= 0x100;
1892 break;
1893 default:
1894 value = ULONG_MAX;
1895 }
1896 if (value == ULONG_MAX)
1897 break;
1898 colorval |= (value << pos);
1899 pos += 0x8;
1900 if (i == 2)
1901 {
1902 if (*end != '\0')
1903 break;
1904 UNBLOCK_INPUT;
1905 return (colorval);
1906 }
1907 if (*end != '/')
1908 break;
1909 color = end + 1;
1910 }
1911 }
1912 else if (strnicmp(colorname, "rgbi:", 5) == 0)
1913 {
1914 /* This is an RGB Intensity specification. */
1915 char *color;
1916 unsigned long colorval;
1917 int i, pos;
1918 pos = 0;
1919
1920 colorval = 0;
1921 color = colorname + 5;
1922 for (i = 0; i < 3; i++)
1923 {
1924 char *end;
1925 double value;
1926 unsigned long val;
1927
1928 value = strtod(color, &end);
1929 if (errno == ERANGE)
1930 break;
1931 if (value < 0.0 || value > 1.0)
1932 break;
1933 val = (unsigned long)(0x100 * value);
1934 /* We used 0x100 instead of 0xFF to give an continuous
1935 range between 0.0 and 1.0 inclusive. The next statement
1936 fixes the 1.0 case. */
1937 if (val == 0x100)
1938 val = 0xFF;
1939 colorval |= (val << pos);
1940 pos += 0x8;
1941 if (i == 2)
1942 {
1943 if (*end != '\0')
1944 break;
1945 UNBLOCK_INPUT;
1946 return (colorval);
1947 }
1948 if (*end != '/')
1949 break;
1950 color = end + 1;
1951 }
1952 }
1953
1954 ret = mac_color_map_lookup (colorname);
1955
1956 UNBLOCK_INPUT;
1957 return ret;
1958 }
1959
1960 /* Gamma-correct COLOR on frame F. */
1961
1962 void
1963 gamma_correct (f, color)
1964 struct frame *f;
1965 unsigned long *color;
1966 {
1967 if (f->gamma)
1968 {
1969 unsigned long red, green, blue;
1970
1971 red = pow (RED_FROM_ULONG (*color) / 255.0, f->gamma) * 255.0 + 0.5;
1972 green = pow (GREEN_FROM_ULONG (*color) / 255.0, f->gamma) * 255.0 + 0.5;
1973 blue = pow (BLUE_FROM_ULONG (*color) / 255.0, f->gamma) * 255.0 + 0.5;
1974 *color = RGB_TO_ULONG (red, green, blue);
1975 }
1976 }
1977
1978 /* Decide if color named COLOR is valid for the display associated
1979 with the selected frame; if so, return the rgb values in COLOR_DEF.
1980 If ALLOC is nonzero, allocate a new colormap cell. */
1981
1982 int
1983 mac_defined_color (f, color, color_def, alloc)
1984 FRAME_PTR f;
1985 char *color;
1986 XColor *color_def;
1987 int alloc;
1988 {
1989 register Lisp_Object tem;
1990 unsigned long mac_color_ref;
1991
1992 tem = x_to_mac_color (color);
1993
1994 if (!NILP (tem))
1995 {
1996 if (f)
1997 {
1998 /* Apply gamma correction. */
1999 mac_color_ref = XUINT (tem);
2000 gamma_correct (f, &mac_color_ref);
2001 XSETINT (tem, mac_color_ref);
2002 }
2003
2004 color_def->pixel = mac_color_ref;
2005 color_def->red = RED_FROM_ULONG (mac_color_ref);
2006 color_def->green = GREEN_FROM_ULONG (mac_color_ref);
2007 color_def->blue = BLUE_FROM_ULONG (mac_color_ref);
2008
2009 return 1;
2010 }
2011 else
2012 {
2013 return 0;
2014 }
2015 }
2016
2017 /* Given a string ARG naming a color, compute a pixel value from it
2018 suitable for screen F.
2019 If F is not a color screen, return DEF (default) regardless of what
2020 ARG says. */
2021
2022 int
2023 x_decode_color (f, arg, def)
2024 FRAME_PTR f;
2025 Lisp_Object arg;
2026 int def;
2027 {
2028 XColor cdef;
2029
2030 CHECK_STRING (arg, 0);
2031
2032 if (strcmp (XSTRING (arg)->data, "black") == 0)
2033 return BLACK_PIX_DEFAULT (f);
2034 else if (strcmp (XSTRING (arg)->data, "white") == 0)
2035 return WHITE_PIX_DEFAULT (f);
2036
2037 #if 0
2038 if ((FRAME_MAC_DISPLAY_INFO (f)->n_planes
2039 * FRAME_MAC_DISPLAY_INFO (f)->n_cbits) == 1)
2040 return def;
2041 #endif
2042
2043 if (mac_defined_color (f, XSTRING (arg)->data, &cdef, 1))
2044 return cdef.pixel;
2045
2046 /* defined_color failed; return an ultimate default. */
2047 return def;
2048 }
2049 \f
2050 /* Change the `line-spacing' frame parameter of frame F. OLD_VALUE is
2051 the previous value of that parameter, NEW_VALUE is the new value. */
2052
2053 static void
2054 x_set_line_spacing (f, new_value, old_value)
2055 struct frame *f;
2056 Lisp_Object new_value, old_value;
2057 {
2058 if (NILP (new_value))
2059 f->extra_line_spacing = 0;
2060 else if (NATNUMP (new_value))
2061 f->extra_line_spacing = XFASTINT (new_value);
2062 else
2063 Fsignal (Qerror, Fcons (build_string ("Illegal line-spacing"),
2064 Fcons (new_value, Qnil)));
2065 if (FRAME_VISIBLE_P (f))
2066 redraw_frame (f);
2067 }
2068
2069
2070 /* Change the `screen-gamma' frame parameter of frame F. OLD_VALUE is
2071 the previous value of that parameter, NEW_VALUE is the new value. */
2072
2073 static void
2074 x_set_screen_gamma (f, new_value, old_value)
2075 struct frame *f;
2076 Lisp_Object new_value, old_value;
2077 {
2078 if (NILP (new_value))
2079 f->gamma = 0;
2080 else if (NUMBERP (new_value) && XFLOATINT (new_value) > 0)
2081 /* The value 0.4545 is the normal viewing gamma. */
2082 f->gamma = 1.0 / (0.4545 * XFLOATINT (new_value));
2083 else
2084 Fsignal (Qerror, Fcons (build_string ("Illegal screen-gamma"),
2085 Fcons (new_value, Qnil)));
2086
2087 clear_face_cache (0);
2088 }
2089
2090
2091 /* Functions called only from `x_set_frame_param'
2092 to set individual parameters.
2093
2094 If FRAME_MAC_WINDOW (f) is 0,
2095 the frame is being created and its window does not exist yet.
2096 In that case, just record the parameter's new value
2097 in the standard place; do not attempt to change the window. */
2098
2099 void
2100 x_set_foreground_color (f, arg, oldval)
2101 struct frame *f;
2102 Lisp_Object arg, oldval;
2103 {
2104 FRAME_FOREGROUND_PIXEL (f)
2105 = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f));
2106
2107 if (FRAME_MAC_WINDOW (f) != 0)
2108 {
2109 update_face_from_frame_parameter (f, Qforeground_color, arg);
2110 if (FRAME_VISIBLE_P (f))
2111 redraw_frame (f);
2112 }
2113 }
2114
2115 void
2116 x_set_background_color (f, arg, oldval)
2117 struct frame *f;
2118 Lisp_Object arg, oldval;
2119 {
2120 FRAME_BACKGROUND_PIXEL (f)
2121 = x_decode_color (f, arg, WHITE_PIX_DEFAULT (f));
2122
2123 if (FRAME_MAC_WINDOW (f) != 0)
2124 {
2125 update_face_from_frame_parameter (f, Qbackground_color, arg);
2126
2127 if (FRAME_VISIBLE_P (f))
2128 redraw_frame (f);
2129 }
2130 }
2131
2132 void
2133 x_set_mouse_color (f, arg, oldval)
2134 struct frame *f;
2135 Lisp_Object arg, oldval;
2136 {
2137 Cursor cursor, nontext_cursor, mode_cursor, cross_cursor;
2138 int count;
2139 int mask_color;
2140
2141 if (!EQ (Qnil, arg))
2142 f->output_data.mac->mouse_pixel
2143 = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f));
2144 mask_color = FRAME_BACKGROUND_PIXEL (f);
2145
2146 /* Don't let pointers be invisible. */
2147 if (mask_color == f->output_data.mac->mouse_pixel
2148 && mask_color == FRAME_BACKGROUND_PIXEL (f))
2149 f->output_data.mac->mouse_pixel = FRAME_FOREGROUND_PIXEL (f);
2150
2151 #if 0 /* MAC_TODO : cursor changes */
2152 BLOCK_INPUT;
2153
2154 /* It's not okay to crash if the user selects a screwy cursor. */
2155 count = x_catch_errors (FRAME_W32_DISPLAY (f));
2156
2157 if (!EQ (Qnil, Vx_pointer_shape))
2158 {
2159 CHECK_NUMBER (Vx_pointer_shape, 0);
2160 cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XINT (Vx_pointer_shape));
2161 }
2162 else
2163 cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XC_xterm);
2164 x_check_errors (FRAME_W32_DISPLAY (f), "bad text pointer cursor: %s");
2165
2166 if (!EQ (Qnil, Vx_nontext_pointer_shape))
2167 {
2168 CHECK_NUMBER (Vx_nontext_pointer_shape, 0);
2169 nontext_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f),
2170 XINT (Vx_nontext_pointer_shape));
2171 }
2172 else
2173 nontext_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XC_left_ptr);
2174 x_check_errors (FRAME_W32_DISPLAY (f), "bad nontext pointer cursor: %s");
2175
2176 if (!EQ (Qnil, Vx_hourglass_pointer_shape))
2177 {
2178 CHECK_NUMBER (Vx_hourglass_pointer_shape, 0);
2179 hourglass_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f),
2180 XINT (Vx_hourglass_pointer_shape));
2181 }
2182 else
2183 hourglass_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XC_watch);
2184 x_check_errors (FRAME_W32_DISPLAY (f), "bad busy pointer cursor: %s");
2185
2186 x_check_errors (FRAME_W32_DISPLAY (f), "bad nontext pointer cursor: %s");
2187 if (!EQ (Qnil, Vx_mode_pointer_shape))
2188 {
2189 CHECK_NUMBER (Vx_mode_pointer_shape, 0);
2190 mode_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f),
2191 XINT (Vx_mode_pointer_shape));
2192 }
2193 else
2194 mode_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XC_xterm);
2195 x_check_errors (FRAME_W32_DISPLAY (f), "bad modeline pointer cursor: %s");
2196
2197 if (!EQ (Qnil, Vx_sensitive_text_pointer_shape))
2198 {
2199 CHECK_NUMBER (Vx_sensitive_text_pointer_shape, 0);
2200 cross_cursor
2201 = XCreateFontCursor (FRAME_W32_DISPLAY (f),
2202 XINT (Vx_sensitive_text_pointer_shape));
2203 }
2204 else
2205 cross_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XC_crosshair);
2206
2207 if (!NILP (Vx_window_horizontal_drag_shape))
2208 {
2209 CHECK_NUMBER (Vx_window_horizontal_drag_shape, 0);
2210 horizontal_drag_cursor
2211 = XCreateFontCursor (FRAME_X_DISPLAY (f),
2212 XINT (Vx_window_horizontal_drag_shape));
2213 }
2214 else
2215 horizontal_drag_cursor
2216 = XCreateFontCursor (FRAME_X_DISPLAY (f), XC_sb_h_double_arrow);
2217
2218 /* Check and report errors with the above calls. */
2219 x_check_errors (FRAME_W32_DISPLAY (f), "can't set cursor shape: %s");
2220 x_uncatch_errors (FRAME_W32_DISPLAY (f), count);
2221
2222 {
2223 XColor fore_color, back_color;
2224
2225 fore_color.pixel = f->output_data.w32->mouse_pixel;
2226 back_color.pixel = mask_color;
2227 XQueryColor (FRAME_W32_DISPLAY (f),
2228 DefaultColormap (FRAME_W32_DISPLAY (f),
2229 DefaultScreen (FRAME_W32_DISPLAY (f))),
2230 &fore_color);
2231 XQueryColor (FRAME_W32_DISPLAY (f),
2232 DefaultColormap (FRAME_W32_DISPLAY (f),
2233 DefaultScreen (FRAME_W32_DISPLAY (f))),
2234 &back_color);
2235 XRecolorCursor (FRAME_W32_DISPLAY (f), cursor,
2236 &fore_color, &back_color);
2237 XRecolorCursor (FRAME_W32_DISPLAY (f), nontext_cursor,
2238 &fore_color, &back_color);
2239 XRecolorCursor (FRAME_W32_DISPLAY (f), mode_cursor,
2240 &fore_color, &back_color);
2241 XRecolorCursor (FRAME_W32_DISPLAY (f), cross_cursor,
2242 &fore_color, &back_color);
2243 XRecolorCursor (FRAME_W32_DISPLAY (f), hourglass_cursor,
2244 &fore_color, &back_color);
2245 }
2246
2247 if (FRAME_W32_WINDOW (f) != 0)
2248 XDefineCursor (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f), cursor);
2249
2250 if (cursor != f->output_data.w32->text_cursor && f->output_data.w32->text_cursor != 0)
2251 XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->text_cursor);
2252 f->output_data.w32->text_cursor = cursor;
2253
2254 if (nontext_cursor != f->output_data.w32->nontext_cursor
2255 && f->output_data.w32->nontext_cursor != 0)
2256 XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->nontext_cursor);
2257 f->output_data.w32->nontext_cursor = nontext_cursor;
2258
2259 if (hourglass_cursor != f->output_data.w32->hourglass_cursor
2260 && f->output_data.w32->hourglass_cursor != 0)
2261 XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->hourglass_cursor);
2262 f->output_data.w32->hourglass_cursor = hourglass_cursor;
2263
2264 if (mode_cursor != f->output_data.w32->modeline_cursor
2265 && f->output_data.w32->modeline_cursor != 0)
2266 XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->modeline_cursor);
2267 f->output_data.w32->modeline_cursor = mode_cursor;
2268
2269 if (cross_cursor != f->output_data.w32->cross_cursor
2270 && f->output_data.w32->cross_cursor != 0)
2271 XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->cross_cursor);
2272 f->output_data.w32->cross_cursor = cross_cursor;
2273
2274 XFlush (FRAME_W32_DISPLAY (f));
2275 UNBLOCK_INPUT;
2276
2277 update_face_from_frame_parameter (f, Qmouse_color, arg);
2278 #endif /* MAC_TODO */
2279 }
2280
2281 void
2282 x_set_cursor_color (f, arg, oldval)
2283 struct frame *f;
2284 Lisp_Object arg, oldval;
2285 {
2286 unsigned long fore_pixel;
2287
2288 if (!NILP (Vx_cursor_fore_pixel))
2289 fore_pixel = x_decode_color (f, Vx_cursor_fore_pixel,
2290 WHITE_PIX_DEFAULT (f));
2291 else
2292 fore_pixel = FRAME_BACKGROUND_PIXEL (f);
2293 f->output_data.mac->cursor_pixel = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f));
2294
2295 /* Make sure that the cursor color differs from the background color. */
2296 if (f->output_data.mac->cursor_pixel == FRAME_BACKGROUND_PIXEL (f))
2297 {
2298 f->output_data.mac->cursor_pixel = f->output_data.mac->mouse_pixel;
2299 if (f->output_data.mac->cursor_pixel == fore_pixel)
2300 fore_pixel = FRAME_BACKGROUND_PIXEL (f);
2301 }
2302 FRAME_FOREGROUND_PIXEL (f) = fore_pixel;
2303
2304 #if 0 /* MAC_TODO: cannot figure out what to do (wrong number of params) */
2305 if (FRAME_MAC_WINDOW (f) != 0)
2306 {
2307 if (FRAME_VISIBLE_P (f))
2308 {
2309 x_display_cursor (f, 0);
2310 x_display_cursor (f, 1);
2311 }
2312 }
2313 #endif
2314
2315 update_face_from_frame_parameter (f, Qcursor_color, arg);
2316 }
2317
2318 /* Set the border-color of frame F to pixel value PIX.
2319 Note that this does not fully take effect if done before
2320 F has an window. */
2321 void
2322 x_set_border_pixel (f, pix)
2323 struct frame *f;
2324 int pix;
2325 {
2326 f->output_data.mac->border_pixel = pix;
2327
2328 if (FRAME_MAC_WINDOW (f) != 0 && f->output_data.mac->border_width > 0)
2329 {
2330 if (FRAME_VISIBLE_P (f))
2331 redraw_frame (f);
2332 }
2333 }
2334
2335 /* Set the border-color of frame F to value described by ARG.
2336 ARG can be a string naming a color.
2337 The border-color is used for the border that is drawn by the server.
2338 Note that this does not fully take effect if done before
2339 F has a window; it must be redone when the window is created. */
2340
2341 void
2342 x_set_border_color (f, arg, oldval)
2343 struct frame *f;
2344 Lisp_Object arg, oldval;
2345 {
2346 int pix;
2347
2348 CHECK_STRING (arg, 0);
2349 pix = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f));
2350 x_set_border_pixel (f, pix);
2351 update_face_from_frame_parameter (f, Qborder_color, arg);
2352 }
2353
2354 /* Value is the internal representation of the specified cursor type
2355 ARG. If type is BAR_CURSOR, return in *WIDTH the specified width
2356 of the bar cursor. */
2357
2358 enum text_cursor_kinds
2359 x_specified_cursor_type (arg, width)
2360 Lisp_Object arg;
2361 int *width;
2362 {
2363 enum text_cursor_kinds type;
2364
2365 if (EQ (arg, Qbar))
2366 {
2367 type = BAR_CURSOR;
2368 *width = 2;
2369 }
2370 else if (CONSP (arg)
2371 && EQ (XCAR (arg), Qbar)
2372 && INTEGERP (XCDR (arg))
2373 && XINT (XCDR (arg)) >= 0)
2374 {
2375 type = BAR_CURSOR;
2376 *width = XINT (XCDR (arg));
2377 }
2378 else if (NILP (arg))
2379 type = NO_CURSOR;
2380 else
2381 /* Treat anything unknown as "box cursor".
2382 It was bad to signal an error; people have trouble fixing
2383 .Xdefaults with Emacs, when it has something bad in it. */
2384 type = FILLED_BOX_CURSOR;
2385
2386 return type;
2387 }
2388
2389 void
2390 x_set_cursor_type (f, arg, oldval)
2391 FRAME_PTR f;
2392 Lisp_Object arg, oldval;
2393 {
2394 int width;
2395
2396 FRAME_DESIRED_CURSOR (f) = x_specified_cursor_type (arg, &width);
2397 f->output_data.mac->cursor_width = width;
2398
2399 /* Make sure the cursor gets redrawn. This is overkill, but how
2400 often do people change cursor types? */
2401 update_mode_lines++;
2402 }
2403 \f
2404 #if 0 /* MAC_TODO: really no icon for Mac */
2405 void
2406 x_set_icon_type (f, arg, oldval)
2407 struct frame *f;
2408 Lisp_Object arg, oldval;
2409 {
2410 int result;
2411
2412 if (NILP (arg) && NILP (oldval))
2413 return;
2414
2415 if (STRINGP (arg) && STRINGP (oldval)
2416 && EQ (Fstring_equal (oldval, arg), Qt))
2417 return;
2418
2419 if (SYMBOLP (arg) && SYMBOLP (oldval) && EQ (arg, oldval))
2420 return;
2421
2422 BLOCK_INPUT;
2423
2424 result = x_bitmap_icon (f, arg);
2425 if (result)
2426 {
2427 UNBLOCK_INPUT;
2428 error ("No icon window available");
2429 }
2430
2431 UNBLOCK_INPUT;
2432 }
2433 #endif
2434
2435 /* Return non-nil if frame F wants a bitmap icon. */
2436
2437 Lisp_Object
2438 x_icon_type (f)
2439 FRAME_PTR f;
2440 {
2441 Lisp_Object tem;
2442
2443 tem = assq_no_quit (Qicon_type, f->param_alist);
2444 if (CONSP (tem))
2445 return XCDR (tem);
2446 else
2447 return Qnil;
2448 }
2449
2450 void
2451 x_set_icon_name (f, arg, oldval)
2452 struct frame *f;
2453 Lisp_Object arg, oldval;
2454 {
2455 int result;
2456
2457 if (STRINGP (arg))
2458 {
2459 if (STRINGP (oldval) && EQ (Fstring_equal (oldval, arg), Qt))
2460 return;
2461 }
2462 else if (!STRINGP (oldval) && EQ (oldval, Qnil) == EQ (arg, Qnil))
2463 return;
2464
2465 f->icon_name = arg;
2466
2467 #if 0
2468 if (f->output_data.w32->icon_bitmap != 0)
2469 return;
2470
2471 BLOCK_INPUT;
2472
2473 result = x_text_icon (f,
2474 (char *) XSTRING ((!NILP (f->icon_name)
2475 ? f->icon_name
2476 : !NILP (f->title)
2477 ? f->title
2478 : f->name))->data);
2479
2480 if (result)
2481 {
2482 UNBLOCK_INPUT;
2483 error ("No icon window available");
2484 }
2485
2486 /* If the window was unmapped (and its icon was mapped),
2487 the new icon is not mapped, so map the window in its stead. */
2488 if (FRAME_VISIBLE_P (f))
2489 {
2490 #ifdef USE_X_TOOLKIT
2491 XtPopup (f->output_data.w32->widget, XtGrabNone);
2492 #endif
2493 XMapWindow (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f));
2494 }
2495
2496 XFlush (FRAME_W32_DISPLAY (f));
2497 UNBLOCK_INPUT;
2498 #endif
2499 }
2500
2501 extern Lisp_Object x_new_font ();
2502 extern Lisp_Object x_new_fontset();
2503
2504 void
2505 x_set_font (f, arg, oldval)
2506 struct frame *f;
2507 Lisp_Object arg, oldval;
2508 {
2509 Lisp_Object result;
2510 Lisp_Object fontset_name;
2511 Lisp_Object frame;
2512
2513 CHECK_STRING (arg, 1);
2514
2515 fontset_name = Fquery_fontset (arg, Qnil);
2516
2517 BLOCK_INPUT;
2518 result = (STRINGP (fontset_name)
2519 ? x_new_fontset (f, XSTRING (fontset_name)->data)
2520 : x_new_font (f, XSTRING (arg)->data));
2521 UNBLOCK_INPUT;
2522
2523 if (EQ (result, Qnil))
2524 error ("Font `%s' is not defined", XSTRING (arg)->data);
2525 else if (EQ (result, Qt))
2526 error ("The characters of the given font have varying widths");
2527 else if (STRINGP (result))
2528 {
2529 if (!NILP (Fequal (result, oldval)))
2530 return;
2531 store_frame_param (f, Qfont, result);
2532 recompute_basic_faces (f);
2533 }
2534 else
2535 abort ();
2536
2537 do_pending_window_change (0);
2538
2539 /* Don't call `face-set-after-frame-default' when faces haven't been
2540 initialized yet. This is the case when called from
2541 Fx_create_frame. In that case, the X widget or window doesn't
2542 exist either, and we can end up in x_report_frame_params with a
2543 null widget which gives a segfault. */
2544 if (FRAME_FACE_CACHE (f))
2545 {
2546 XSETFRAME (frame, f);
2547 call1 (Qface_set_after_frame_default, frame);
2548 }
2549 }
2550
2551 void
2552 x_set_border_width (f, arg, oldval)
2553 struct frame *f;
2554 Lisp_Object arg, oldval;
2555 {
2556 CHECK_NUMBER (arg, 0);
2557
2558 if (XINT (arg) == f->output_data.mac->border_width)
2559 return;
2560
2561 #if 0
2562 if (FRAME_MAC_WINDOW (f) != 0)
2563 error ("Cannot change the border width of a window");
2564 #endif
2565
2566 f->output_data.mac->border_width = XINT (arg);
2567 }
2568
2569 void
2570 x_set_internal_border_width (f, arg, oldval)
2571 struct frame *f;
2572 Lisp_Object arg, oldval;
2573 {
2574 int old = f->output_data.mac->internal_border_width;
2575
2576 CHECK_NUMBER (arg, 0);
2577 f->output_data.mac->internal_border_width = XINT (arg);
2578 if (f->output_data.mac->internal_border_width < 0)
2579 f->output_data.mac->internal_border_width = 0;
2580
2581 if (f->output_data.mac->internal_border_width == old)
2582 return;
2583
2584 if (FRAME_MAC_WINDOW (f) != 0)
2585 {
2586 x_set_window_size (f, 0, f->width, f->height);
2587 SET_FRAME_GARBAGED (f);
2588 do_pending_window_change (0);
2589 }
2590 }
2591
2592 void
2593 x_set_visibility (f, value, oldval)
2594 struct frame *f;
2595 Lisp_Object value, oldval;
2596 {
2597 Lisp_Object frame;
2598 XSETFRAME (frame, f);
2599
2600 if (NILP (value))
2601 Fmake_frame_invisible (frame, Qt);
2602 else if (EQ (value, Qicon))
2603 Ficonify_frame (frame);
2604 else
2605 Fmake_frame_visible (frame);
2606 }
2607
2608 \f
2609 /* Change window heights in windows rooted in WINDOW by N lines. */
2610
2611 static void
2612 x_change_window_heights (window, n)
2613 Lisp_Object window;
2614 int n;
2615 {
2616 struct window *w = XWINDOW (window);
2617
2618 XSETFASTINT (w->top, XFASTINT (w->top) + n);
2619 XSETFASTINT (w->height, XFASTINT (w->height) - n);
2620
2621 if (INTEGERP (w->orig_top))
2622 XSETFASTINT (w->orig_top, XFASTINT (w->orig_top) + n);
2623 if (INTEGERP (w->orig_height))
2624 XSETFASTINT (w->orig_height, XFASTINT (w->orig_height) - n);
2625
2626 /* Handle just the top child in a vertical split. */
2627 if (!NILP (w->vchild))
2628 x_change_window_heights (w->vchild, n);
2629
2630 /* Adjust all children in a horizontal split. */
2631 for (window = w->hchild; !NILP (window); window = w->next)
2632 {
2633 w = XWINDOW (window);
2634 x_change_window_heights (window, n);
2635 }
2636 }
2637
2638 void
2639 x_set_menu_bar_lines (f, value, oldval)
2640 struct frame *f;
2641 Lisp_Object value, oldval;
2642 {
2643 int nlines;
2644 int olines = FRAME_MENU_BAR_LINES (f);
2645
2646 /* Right now, menu bars don't work properly in minibuf-only frames;
2647 most of the commands try to apply themselves to the minibuffer
2648 frame itself, and get an error because you can't switch buffers
2649 in or split the minibuffer window. */
2650 if (FRAME_MINIBUF_ONLY_P (f))
2651 return;
2652
2653 if (INTEGERP (value))
2654 nlines = XINT (value);
2655 else
2656 nlines = 0;
2657
2658 FRAME_MENU_BAR_LINES (f) = 0;
2659 if (nlines)
2660 FRAME_EXTERNAL_MENU_BAR (f) = 1;
2661 else
2662 {
2663 if (FRAME_EXTERNAL_MENU_BAR (f) == 1)
2664 free_frame_menubar (f);
2665 FRAME_EXTERNAL_MENU_BAR (f) = 0;
2666
2667 /* Adjust the frame size so that the client (text) dimensions
2668 remain the same. This depends on FRAME_EXTERNAL_MENU_BAR being
2669 set correctly. */
2670 x_set_window_size (f, 0, FRAME_WIDTH (f), FRAME_HEIGHT (f));
2671 do_pending_window_change (0);
2672 }
2673 adjust_glyphs (f);
2674 }
2675
2676 /* Set the number of lines used for the tool bar of frame F to VALUE.
2677 VALUE not an integer, or < 0 means set the lines to zero. OLDVAL
2678 is the old number of tool bar lines. This function changes the
2679 height of all windows on frame F to match the new tool bar height.
2680 The frame's height doesn't change. */
2681
2682 void
2683 x_set_tool_bar_lines (f, value, oldval)
2684 struct frame *f;
2685 Lisp_Object value, oldval;
2686 {
2687 int delta, nlines, root_height;
2688 Lisp_Object root_window;
2689
2690 /* Treat tool bars like menu bars. */
2691 if (FRAME_MINIBUF_ONLY_P (f))
2692 return;
2693
2694 /* Use VALUE only if an integer >= 0. */
2695 if (INTEGERP (value) && XINT (value) >= 0)
2696 nlines = XFASTINT (value);
2697 else
2698 nlines = 0;
2699
2700 /* Make sure we redisplay all windows in this frame. */
2701 ++windows_or_buffers_changed;
2702
2703 delta = nlines - FRAME_TOOL_BAR_LINES (f);
2704
2705 /* Don't resize the tool-bar to more than we have room for. */
2706 root_window = FRAME_ROOT_WINDOW (f);
2707 root_height = XINT (XWINDOW (root_window)->height);
2708 if (root_height - delta < 1)
2709 {
2710 delta = root_height - 1;
2711 nlines = FRAME_TOOL_BAR_LINES (f) + delta;
2712 }
2713
2714 FRAME_TOOL_BAR_LINES (f) = nlines;
2715 x_change_window_heights (root_window, delta);
2716 adjust_glyphs (f);
2717
2718 /* We also have to make sure that the internal border at the top of
2719 the frame, below the menu bar or tool bar, is redrawn when the
2720 tool bar disappears. This is so because the internal border is
2721 below the tool bar if one is displayed, but is below the menu bar
2722 if there isn't a tool bar. The tool bar draws into the area
2723 below the menu bar. */
2724 if (FRAME_MAC_WINDOW (f) && FRAME_TOOL_BAR_LINES (f) == 0)
2725 {
2726 updating_frame = f;
2727 clear_frame ();
2728 clear_current_matrices (f);
2729 updating_frame = NULL;
2730 }
2731
2732 /* If the tool bar gets smaller, the internal border below it
2733 has to be cleared. It was formerly part of the display
2734 of the larger tool bar, and updating windows won't clear it. */
2735 if (delta < 0)
2736 {
2737 int height = FRAME_INTERNAL_BORDER_WIDTH (f);
2738 int width = PIXEL_WIDTH (f);
2739 int y = nlines * CANON_Y_UNIT (f);
2740
2741 BLOCK_INPUT;
2742 XClearArea (FRAME_MAC_DISPLAY (f), FRAME_MAC_WINDOW (f),
2743 0, y, width, height, 0);
2744 UNBLOCK_INPUT;
2745 }
2746 }
2747
2748
2749 /* Change the name of frame F to NAME. If NAME is nil, set F's name to
2750 w32_id_name.
2751
2752 If EXPLICIT is non-zero, that indicates that lisp code is setting the
2753 name; if NAME is a string, set F's name to NAME and set
2754 F->explicit_name; if NAME is Qnil, then clear F->explicit_name.
2755
2756 If EXPLICIT is zero, that indicates that Emacs redisplay code is
2757 suggesting a new name, which lisp code should override; if
2758 F->explicit_name is set, ignore the new name; otherwise, set it. */
2759
2760 void
2761 x_set_name (f, name, explicit)
2762 struct frame *f;
2763 Lisp_Object name;
2764 int explicit;
2765 {
2766 /* Make sure that requests from lisp code override requests from
2767 Emacs redisplay code. */
2768 if (explicit)
2769 {
2770 /* If we're switching from explicit to implicit, we had better
2771 update the mode lines and thereby update the title. */
2772 if (f->explicit_name && NILP (name))
2773 update_mode_lines = 1;
2774
2775 f->explicit_name = ! NILP (name);
2776 }
2777 else if (f->explicit_name)
2778 return;
2779
2780 /* If NAME is nil, set the name to the w32_id_name. */
2781 if (NILP (name))
2782 {
2783 /* Check for no change needed in this very common case
2784 before we do any consing. */
2785 if (!strcmp (FRAME_MAC_DISPLAY_INFO (f)->mac_id_name,
2786 XSTRING (f->name)->data))
2787 return;
2788 name = build_string (FRAME_MAC_DISPLAY_INFO (f)->mac_id_name);
2789 }
2790 else
2791 CHECK_STRING (name, 0);
2792
2793 /* Don't change the name if it's already NAME. */
2794 if (! NILP (Fstring_equal (name, f->name)))
2795 return;
2796
2797 f->name = name;
2798
2799 /* For setting the frame title, the title parameter should override
2800 the name parameter. */
2801 if (! NILP (f->title))
2802 name = f->title;
2803
2804 if (FRAME_MAC_WINDOW (f))
2805 {
2806 if (STRING_MULTIBYTE (name))
2807 #if 0 /* MAC_TODO: encoding title string */
2808 name = ENCODE_SYSTEM (name);
2809 #else
2810 return;
2811 #endif
2812
2813 BLOCK_INPUT;
2814
2815 {
2816 Str255 windowTitle;
2817 if (strlen (XSTRING (name)->data) < 255)
2818 {
2819 strcpy (windowTitle, XSTRING (name)->data);
2820 c2pstr (windowTitle);
2821 SetWTitle (FRAME_MAC_WINDOW (f), windowTitle);
2822 }
2823 }
2824
2825 UNBLOCK_INPUT;
2826 }
2827 }
2828
2829 /* This function should be called when the user's lisp code has
2830 specified a name for the frame; the name will override any set by the
2831 redisplay code. */
2832 void
2833 x_explicitly_set_name (f, arg, oldval)
2834 FRAME_PTR f;
2835 Lisp_Object arg, oldval;
2836 {
2837 x_set_name (f, arg, 1);
2838 }
2839
2840 /* This function should be called by Emacs redisplay code to set the
2841 name; names set this way will never override names set by the user's
2842 lisp code. */
2843 void
2844 x_implicitly_set_name (f, arg, oldval)
2845 FRAME_PTR f;
2846 Lisp_Object arg, oldval;
2847 {
2848 x_set_name (f, arg, 0);
2849 }
2850 \f
2851 /* Change the title of frame F to NAME.
2852 If NAME is nil, use the frame name as the title.
2853
2854 If EXPLICIT is non-zero, that indicates that lisp code is setting the
2855 name; if NAME is a string, set F's name to NAME and set
2856 F->explicit_name; if NAME is Qnil, then clear F->explicit_name.
2857
2858 If EXPLICIT is zero, that indicates that Emacs redisplay code is
2859 suggesting a new name, which lisp code should override; if
2860 F->explicit_name is set, ignore the new name; otherwise, set it. */
2861
2862 void
2863 x_set_title (f, name, old_name)
2864 struct frame *f;
2865 Lisp_Object name, old_name;
2866 {
2867 /* Don't change the title if it's already NAME. */
2868 if (EQ (name, f->title))
2869 return;
2870
2871 update_mode_lines = 1;
2872
2873 f->title = name;
2874
2875 if (NILP (name))
2876 name = f->name;
2877
2878 if (FRAME_MAC_WINDOW (f))
2879 {
2880 if (STRING_MULTIBYTE (name))
2881 #if 0 /* MAC_TODO: encoding title string */
2882 name = ENCODE_SYSTEM (name);
2883 #else
2884 return;
2885 #endif
2886
2887 BLOCK_INPUT;
2888
2889 {
2890 Str255 windowTitle;
2891 if (strlen (XSTRING (name)->data) < 255)
2892 {
2893 strcpy (windowTitle, XSTRING (name)->data);
2894 c2pstr (windowTitle);
2895 SetWTitle (FRAME_MAC_WINDOW (f), windowTitle);
2896 }
2897 }
2898
2899 UNBLOCK_INPUT;
2900 }
2901 }
2902 \f
2903 void
2904 x_set_autoraise (f, arg, oldval)
2905 struct frame *f;
2906 Lisp_Object arg, oldval;
2907 {
2908 f->auto_raise = !EQ (Qnil, arg);
2909 }
2910
2911 void
2912 x_set_autolower (f, arg, oldval)
2913 struct frame *f;
2914 Lisp_Object arg, oldval;
2915 {
2916 f->auto_lower = !EQ (Qnil, arg);
2917 }
2918
2919 void
2920 x_set_unsplittable (f, arg, oldval)
2921 struct frame *f;
2922 Lisp_Object arg, oldval;
2923 {
2924 f->no_split = !NILP (arg);
2925 }
2926
2927 void
2928 x_set_vertical_scroll_bars (f, arg, oldval)
2929 struct frame *f;
2930 Lisp_Object arg, oldval;
2931 {
2932 if ((EQ (arg, Qleft) && FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f))
2933 || (EQ (arg, Qright) && FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f))
2934 || (NILP (arg) && FRAME_HAS_VERTICAL_SCROLL_BARS (f))
2935 || (!NILP (arg) && ! FRAME_HAS_VERTICAL_SCROLL_BARS (f)))
2936 {
2937 FRAME_VERTICAL_SCROLL_BAR_TYPE (f)
2938 = (NILP (arg)
2939 ? vertical_scroll_bar_none
2940 : EQ (Qright, arg)
2941 ? vertical_scroll_bar_right
2942 : vertical_scroll_bar_left);
2943
2944 /* We set this parameter before creating the window for the
2945 frame, so we can get the geometry right from the start.
2946 However, if the window hasn't been created yet, we shouldn't
2947 call x_set_window_size. */
2948 if (FRAME_MAC_WINDOW (f))
2949 x_set_window_size (f, 0, FRAME_WIDTH (f), FRAME_HEIGHT (f));
2950 do_pending_window_change (0);
2951 }
2952 }
2953
2954 void
2955 x_set_scroll_bar_width (f, arg, oldval)
2956 struct frame *f;
2957 Lisp_Object arg, oldval;
2958 {
2959 /* Imitate X without X Toolkit */
2960
2961 int wid = FONT_WIDTH (f->output_data.mac->font);
2962
2963 if (NILP (arg))
2964 {
2965 /* Make the actual width at least 14 pixels and a multiple of a
2966 character width. */
2967 FRAME_SCROLL_BAR_COLS (f) = (14 + wid - 1) / wid;
2968
2969 /* Use all of that space (aside from required margins) for the
2970 scroll bar. */
2971 FRAME_SCROLL_BAR_PIXEL_WIDTH (f) = 0;
2972
2973 if (FRAME_MAC_WINDOW (f))
2974 x_set_window_size (f, 0, FRAME_WIDTH (f), FRAME_HEIGHT (f));
2975 do_pending_window_change (0);
2976 }
2977 else if (INTEGERP (arg) && XINT (arg) > 0
2978 && XFASTINT (arg) != FRAME_SCROLL_BAR_PIXEL_WIDTH (f))
2979 {
2980 if (XFASTINT (arg) <= 2 * VERTICAL_SCROLL_BAR_WIDTH_TRIM)
2981 XSETINT (arg, 2 * VERTICAL_SCROLL_BAR_WIDTH_TRIM + 1);
2982
2983 FRAME_SCROLL_BAR_PIXEL_WIDTH (f) = XFASTINT (arg);
2984 FRAME_SCROLL_BAR_COLS (f) = (XFASTINT (arg) + wid-1) / wid;
2985 if (FRAME_MAC_WINDOW (f))
2986 x_set_window_size (f, 0, FRAME_WIDTH (f), FRAME_HEIGHT (f));
2987 do_pending_window_change (0);
2988 }
2989 change_frame_size (f, 0, FRAME_WIDTH (f), 0, 0, 0);
2990 XWINDOW (FRAME_SELECTED_WINDOW (f))->cursor.hpos = 0;
2991 XWINDOW (FRAME_SELECTED_WINDOW (f))->cursor.x = 0;
2992 }
2993 \f
2994 /* Subroutines of creating an frame. */
2995
2996 /* Make sure that Vx_resource_name is set to a reasonable value.
2997 Fix it up, or set it to `emacs' if it is too hopeless. */
2998
2999 static void
3000 validate_x_resource_name ()
3001 {
3002 int len = 0;
3003 /* Number of valid characters in the resource name. */
3004 int good_count = 0;
3005 /* Number of invalid characters in the resource name. */
3006 int bad_count = 0;
3007 Lisp_Object new;
3008 int i;
3009
3010 if (STRINGP (Vx_resource_name))
3011 {
3012 unsigned char *p = XSTRING (Vx_resource_name)->data;
3013 int i;
3014
3015 len = STRING_BYTES (XSTRING (Vx_resource_name));
3016
3017 /* Only letters, digits, - and _ are valid in resource names.
3018 Count the valid characters and count the invalid ones. */
3019 for (i = 0; i < len; i++)
3020 {
3021 int c = p[i];
3022 if (! ((c >= 'a' && c <= 'z')
3023 || (c >= 'A' && c <= 'Z')
3024 || (c >= '0' && c <= '9')
3025 || c == '-' || c == '_'))
3026 bad_count++;
3027 else
3028 good_count++;
3029 }
3030 }
3031 else
3032 /* Not a string => completely invalid. */
3033 bad_count = 5, good_count = 0;
3034
3035 /* If name is valid already, return. */
3036 if (bad_count == 0)
3037 return;
3038
3039 /* If name is entirely invalid, or nearly so, use `emacs'. */
3040 if (good_count == 0
3041 || (good_count == 1 && bad_count > 0))
3042 {
3043 Vx_resource_name = build_string ("emacs");
3044 return;
3045 }
3046
3047 /* Name is partly valid. Copy it and replace the invalid characters
3048 with underscores. */
3049
3050 Vx_resource_name = new = Fcopy_sequence (Vx_resource_name);
3051
3052 for (i = 0; i < len; i++)
3053 {
3054 int c = XSTRING (new)->data[i];
3055 if (! ((c >= 'a' && c <= 'z')
3056 || (c >= 'A' && c <= 'Z')
3057 || (c >= '0' && c <= '9')
3058 || c == '-' || c == '_'))
3059 XSTRING (new)->data[i] = '_';
3060 }
3061 }
3062
3063
3064 #if 0 /* MAC_TODO: implement resource strings */
3065 extern char *x_get_string_resource ();
3066
3067 DEFUN ("x-get-resource", Fx_get_resource, Sx_get_resource, 2, 4, 0,
3068 "Return the value of ATTRIBUTE, of class CLASS, from the X defaults database.\n\
3069 This uses `INSTANCE.ATTRIBUTE' as the key and `Emacs.CLASS' as the\n\
3070 class, where INSTANCE is the name under which Emacs was invoked, or\n\
3071 the name specified by the `-name' or `-rn' command-line arguments.\n\
3072 \n\
3073 The optional arguments COMPONENT and SUBCLASS add to the key and the\n\
3074 class, respectively. You must specify both of them or neither.\n\
3075 If you specify them, the key is `INSTANCE.COMPONENT.ATTRIBUTE'\n\
3076 and the class is `Emacs.CLASS.SUBCLASS'.")
3077 (attribute, class, component, subclass)
3078 Lisp_Object attribute, class, component, subclass;
3079 {
3080 register char *value;
3081 char *name_key;
3082 char *class_key;
3083
3084 CHECK_STRING (attribute, 0);
3085 CHECK_STRING (class, 0);
3086
3087 if (!NILP (component))
3088 CHECK_STRING (component, 1);
3089 if (!NILP (subclass))
3090 CHECK_STRING (subclass, 2);
3091 if (NILP (component) != NILP (subclass))
3092 error ("x-get-resource: must specify both COMPONENT and SUBCLASS or neither");
3093
3094 validate_x_resource_name ();
3095
3096 /* Allocate space for the components, the dots which separate them,
3097 and the final '\0'. Make them big enough for the worst case. */
3098 name_key = (char *) alloca (STRING_BYTES (XSTRING (Vx_resource_name))
3099 + (STRINGP (component)
3100 ? STRING_BYTES (XSTRING (component)) : 0)
3101 + STRING_BYTES (XSTRING (attribute))
3102 + 3);
3103
3104 class_key = (char *) alloca ((sizeof (EMACS_CLASS) - 1)
3105 + STRING_BYTES (XSTRING (class))
3106 + (STRINGP (subclass)
3107 ? STRING_BYTES (XSTRING (subclass)) : 0)
3108 + 3);
3109
3110 /* Start with emacs.FRAMENAME for the name (the specific one)
3111 and with `Emacs' for the class key (the general one). */
3112 strcpy (name_key, XSTRING (Vx_resource_name)->data);
3113 strcpy (class_key, EMACS_CLASS);
3114
3115 strcat (class_key, ".");
3116 strcat (class_key, XSTRING (class)->data);
3117
3118 if (!NILP (component))
3119 {
3120 strcat (class_key, ".");
3121 strcat (class_key, XSTRING (subclass)->data);
3122
3123 strcat (name_key, ".");
3124 strcat (name_key, XSTRING (component)->data);
3125 }
3126
3127 strcat (name_key, ".");
3128 strcat (name_key, XSTRING (attribute)->data);
3129
3130 value = x_get_string_resource (Qnil,
3131 name_key, class_key);
3132
3133 if (value != (char *) 0)
3134 return build_string (value);
3135 else
3136 return Qnil;
3137 }
3138
3139 /* Used when C code wants a resource value. */
3140
3141 char *
3142 x_get_resource_string (attribute, class)
3143 char *attribute, *class;
3144 {
3145 char *name_key;
3146 char *class_key;
3147 struct frame *sf = SELECTED_FRAME ();
3148
3149 /* Allocate space for the components, the dots which separate them,
3150 and the final '\0'. */
3151 name_key = (char *) alloca (STRING_BYTES (XSTRING (Vinvocation_name))
3152 + strlen (attribute) + 2);
3153 class_key = (char *) alloca ((sizeof (EMACS_CLASS) - 1)
3154 + strlen (class) + 2);
3155
3156 sprintf (name_key, "%s.%s",
3157 XSTRING (Vinvocation_name)->data,
3158 attribute);
3159 sprintf (class_key, "%s.%s", EMACS_CLASS, class);
3160
3161 return x_get_string_resource (sf, name_key, class_key);
3162 }
3163 #endif
3164
3165 /* Types we might convert a resource string into. */
3166 enum resource_types
3167 {
3168 RES_TYPE_NUMBER,
3169 RES_TYPE_FLOAT,
3170 RES_TYPE_BOOLEAN,
3171 RES_TYPE_STRING,
3172 RES_TYPE_SYMBOL
3173 };
3174
3175 /* Return the value of parameter PARAM.
3176
3177 First search ALIST, then Vdefault_frame_alist, then the X defaults
3178 database, using ATTRIBUTE as the attribute name and CLASS as its class.
3179
3180 Convert the resource to the type specified by desired_type.
3181
3182 If no default is specified, return Qunbound. If you call
3183 w32_get_arg, make sure you deal with Qunbound in a reasonable way,
3184 and don't let it get stored in any Lisp-visible variables! */
3185
3186 static Lisp_Object
3187 mac_get_arg (alist, param, attribute, class, type)
3188 Lisp_Object alist, param;
3189 char *attribute;
3190 char *class;
3191 enum resource_types type;
3192 {
3193 register Lisp_Object tem;
3194
3195 tem = Fassq (param, alist);
3196 if (EQ (tem, Qnil))
3197 tem = Fassq (param, Vdefault_frame_alist);
3198 if (EQ (tem, Qnil))
3199 {
3200
3201 #if 0 /* MAC_TODO: search resource also */
3202 if (attribute)
3203 {
3204 tem = Fx_get_resource (build_string (attribute),
3205 build_string (class),
3206 Qnil, Qnil);
3207
3208 if (NILP (tem))
3209 return Qunbound;
3210
3211 switch (type)
3212 {
3213 case RES_TYPE_NUMBER:
3214 return make_number (atoi (XSTRING (tem)->data));
3215
3216 case RES_TYPE_FLOAT:
3217 return make_float (atof (XSTRING (tem)->data));
3218
3219 case RES_TYPE_BOOLEAN:
3220 tem = Fdowncase (tem);
3221 if (!strcmp (XSTRING (tem)->data, "on")
3222 || !strcmp (XSTRING (tem)->data, "true"))
3223 return Qt;
3224 else
3225 return Qnil;
3226
3227 case RES_TYPE_STRING:
3228 return tem;
3229
3230 case RES_TYPE_SYMBOL:
3231 /* As a special case, we map the values `true' and `on'
3232 to Qt, and `false' and `off' to Qnil. */
3233 {
3234 Lisp_Object lower;
3235 lower = Fdowncase (tem);
3236 if (!strcmp (XSTRING (lower)->data, "on")
3237 || !strcmp (XSTRING (lower)->data, "true"))
3238 return Qt;
3239 else if (!strcmp (XSTRING (lower)->data, "off")
3240 || !strcmp (XSTRING (lower)->data, "false"))
3241 return Qnil;
3242 else
3243 return Fintern (tem, Qnil);
3244 }
3245
3246 default:
3247 abort ();
3248 }
3249 }
3250 else
3251 #endif
3252 return Qunbound;
3253 }
3254 return Fcdr (tem);
3255 }
3256
3257 /* Record in frame F the specified or default value according to ALIST
3258 of the parameter named PROP (a Lisp symbol).
3259 If no value is specified for PROP, look for an X default for XPROP
3260 on the frame named NAME.
3261 If that is not found either, use the value DEFLT. */
3262
3263 static Lisp_Object
3264 x_default_parameter (f, alist, prop, deflt, xprop, xclass, type)
3265 struct frame *f;
3266 Lisp_Object alist;
3267 Lisp_Object prop;
3268 Lisp_Object deflt;
3269 char *xprop;
3270 char *xclass;
3271 enum resource_types type;
3272 {
3273 Lisp_Object tem;
3274
3275 tem = mac_get_arg (alist, prop, xprop, xclass, type);
3276 if (EQ (tem, Qunbound))
3277 tem = deflt;
3278 x_set_frame_parameters (f, Fcons (Fcons (prop, tem), Qnil));
3279 return tem;
3280 }
3281 \f
3282 DEFUN ("x-parse-geometry", Fx_parse_geometry, Sx_parse_geometry, 1, 1, 0,
3283 "Parse an X-style geometry string STRING.\n\
3284 Returns an alist of the form ((top . TOP), (left . LEFT) ... ).\n\
3285 The properties returned may include `top', `left', `height', and `width'.\n\
3286 The value of `left' or `top' may be an integer,\n\
3287 or a list (+ N) meaning N pixels relative to top/left corner,\n\
3288 or a list (- N) meaning -N pixels relative to bottom/right corner.")
3289 (string)
3290 Lisp_Object string;
3291 {
3292 int geometry, x, y;
3293 unsigned int width, height;
3294 Lisp_Object result;
3295
3296 CHECK_STRING (string, 0);
3297
3298 geometry = XParseGeometry ((char *) XSTRING (string)->data,
3299 &x, &y, &width, &height);
3300
3301 result = Qnil;
3302 if (geometry & XValue)
3303 {
3304 Lisp_Object element;
3305
3306 if (x >= 0 && (geometry & XNegative))
3307 element = Fcons (Qleft, Fcons (Qminus, Fcons (make_number (-x), Qnil)));
3308 else if (x < 0 && ! (geometry & XNegative))
3309 element = Fcons (Qleft, Fcons (Qplus, Fcons (make_number (x), Qnil)));
3310 else
3311 element = Fcons (Qleft, make_number (x));
3312 result = Fcons (element, result);
3313 }
3314
3315 if (geometry & YValue)
3316 {
3317 Lisp_Object element;
3318
3319 if (y >= 0 && (geometry & YNegative))
3320 element = Fcons (Qtop, Fcons (Qminus, Fcons (make_number (-y), Qnil)));
3321 else if (y < 0 && ! (geometry & YNegative))
3322 element = Fcons (Qtop, Fcons (Qplus, Fcons (make_number (y), Qnil)));
3323 else
3324 element = Fcons (Qtop, make_number (y));
3325 result = Fcons (element, result);
3326 }
3327
3328 if (geometry & WidthValue)
3329 result = Fcons (Fcons (Qwidth, make_number (width)), result);
3330 if (geometry & HeightValue)
3331 result = Fcons (Fcons (Qheight, make_number (height)), result);
3332
3333 return result;
3334 }
3335
3336 /* Calculate the desired size and position of this window,
3337 and return the flags saying which aspects were specified.
3338
3339 This function does not make the coordinates positive. */
3340
3341 #define DEFAULT_ROWS 40
3342 #define DEFAULT_COLS 80
3343
3344 static int
3345 x_figure_window_size (f, parms)
3346 struct frame *f;
3347 Lisp_Object parms;
3348 {
3349 register Lisp_Object tem0, tem1, tem2;
3350 long window_prompting = 0;
3351
3352 /* Default values if we fall through.
3353 Actually, if that happens we should get
3354 window manager prompting. */
3355 SET_FRAME_WIDTH (f, DEFAULT_COLS);
3356 f->height = DEFAULT_ROWS;
3357 /* Window managers expect that if program-specified
3358 positions are not (0,0), they're intentional, not defaults. */
3359 f->output_data.mac->top_pos = 0;
3360 f->output_data.mac->left_pos = 0;
3361
3362 tem0 = mac_get_arg (parms, Qheight, 0, 0, RES_TYPE_NUMBER);
3363 tem1 = mac_get_arg (parms, Qwidth, 0, 0, RES_TYPE_NUMBER);
3364 tem2 = mac_get_arg (parms, Quser_size, 0, 0, RES_TYPE_NUMBER);
3365 if (! EQ (tem0, Qunbound) || ! EQ (tem1, Qunbound))
3366 {
3367 if (!EQ (tem0, Qunbound))
3368 {
3369 CHECK_NUMBER (tem0, 0);
3370 f->height = XINT (tem0);
3371 }
3372 if (!EQ (tem1, Qunbound))
3373 {
3374 CHECK_NUMBER (tem1, 0);
3375 SET_FRAME_WIDTH (f, XINT (tem1));
3376 }
3377 if (!NILP (tem2) && !EQ (tem2, Qunbound))
3378 window_prompting |= USSize;
3379 else
3380 window_prompting |= PSize;
3381 }
3382
3383 f->output_data.mac->vertical_scroll_bar_extra
3384 = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f)
3385 ? 0
3386 : FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0
3387 ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f)
3388 : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.mac->font)));
3389 f->output_data.mac->fringes_extra
3390 = FRAME_FRINGE_WIDTH (f);
3391 f->output_data.mac->pixel_width = CHAR_TO_PIXEL_WIDTH (f, f->width);
3392 f->output_data.mac->pixel_height = CHAR_TO_PIXEL_HEIGHT (f, f->height);
3393
3394 tem0 = mac_get_arg (parms, Qtop, 0, 0, RES_TYPE_NUMBER);
3395 tem1 = mac_get_arg (parms, Qleft, 0, 0, RES_TYPE_NUMBER);
3396 tem2 = mac_get_arg (parms, Quser_position, 0, 0, RES_TYPE_NUMBER);
3397 if (! EQ (tem0, Qunbound) || ! EQ (tem1, Qunbound))
3398 {
3399 if (EQ (tem0, Qminus))
3400 {
3401 f->output_data.mac->top_pos = 0;
3402 window_prompting |= YNegative;
3403 }
3404 else if (CONSP (tem0) && EQ (XCAR (tem0), Qminus)
3405 && CONSP (XCDR (tem0))
3406 && INTEGERP (XCAR (XCDR (tem0))))
3407 {
3408 f->output_data.mac->top_pos = - XINT (XCAR (XCDR (tem0)));
3409 window_prompting |= YNegative;
3410 }
3411 else if (CONSP (tem0) && EQ (XCAR (tem0), Qplus)
3412 && CONSP (XCDR (tem0))
3413 && INTEGERP (XCAR (XCDR (tem0))))
3414 {
3415 f->output_data.mac->top_pos = XINT (XCAR (XCDR (tem0)));
3416 }
3417 else if (EQ (tem0, Qunbound))
3418 f->output_data.mac->top_pos = 0;
3419 else
3420 {
3421 CHECK_NUMBER (tem0, 0);
3422 f->output_data.mac->top_pos = XINT (tem0);
3423 if (f->output_data.mac->top_pos < 0)
3424 window_prompting |= YNegative;
3425 }
3426
3427 if (EQ (tem1, Qminus))
3428 {
3429 f->output_data.mac->left_pos = 0;
3430 window_prompting |= XNegative;
3431 }
3432 else if (CONSP (tem1) && EQ (XCAR (tem1), Qminus)
3433 && CONSP (XCDR (tem1))
3434 && INTEGERP (XCAR (XCDR (tem1))))
3435 {
3436 f->output_data.mac->left_pos = - XINT (XCAR (XCDR (tem1)));
3437 window_prompting |= XNegative;
3438 }
3439 else if (CONSP (tem1) && EQ (XCAR (tem1), Qplus)
3440 && CONSP (XCDR (tem1))
3441 && INTEGERP (XCAR (XCDR (tem1))))
3442 {
3443 f->output_data.mac->left_pos = XINT (XCAR (XCDR (tem1)));
3444 }
3445 else if (EQ (tem1, Qunbound))
3446 f->output_data.mac->left_pos = 0;
3447 else
3448 {
3449 CHECK_NUMBER (tem1, 0);
3450 f->output_data.mac->left_pos = XINT (tem1);
3451 if (f->output_data.mac->left_pos < 0)
3452 window_prompting |= XNegative;
3453 }
3454
3455 if (!NILP (tem2) && ! EQ (tem2, Qunbound))
3456 window_prompting |= USPosition;
3457 else
3458 window_prompting |= PPosition;
3459 }
3460
3461 return window_prompting;
3462 }
3463
3464 \f
3465 #if 0
3466 /* Create and set up the Mac window for frame F. */
3467
3468 static void
3469 mac_window (f, window_prompting, minibuffer_only)
3470 struct frame *f;
3471 long window_prompting;
3472 int minibuffer_only;
3473 {
3474 Rect r;
3475
3476 BLOCK_INPUT;
3477
3478 /* Use the resource name as the top-level window name
3479 for looking up resources. Make a non-Lisp copy
3480 for the window manager, so GC relocation won't bother it.
3481
3482 Elsewhere we specify the window name for the window manager. */
3483
3484 {
3485 char *str = (char *) XSTRING (Vx_resource_name)->data;
3486 f->namebuf = (char *) xmalloc (strlen (str) + 1);
3487 strcpy (f->namebuf, str);
3488 }
3489
3490 SetRect (&r, f->output_data.mac->left_pos, f->output_data.mac->top_pos,
3491 f->output_data.mac->left_pos + PIXEL_WIDTH (f),
3492 f->output_data.mac->top_pos + PIXEL_HEIGHT (f));
3493 FRAME_MAC_WINDOW (f)
3494 = NewCWindow (NULL, &r, "\p", 1, zoomDocProc, (WindowPtr) -1, 1, (long) f->output_data.mac);
3495
3496 validate_x_resource_name ();
3497
3498 /* x_set_name normally ignores requests to set the name if the
3499 requested name is the same as the current name. This is the one
3500 place where that assumption isn't correct; f->name is set, but
3501 the server hasn't been told. */
3502 {
3503 Lisp_Object name;
3504 int explicit = f->explicit_name;
3505
3506 f->explicit_name = 0;
3507 name = f->name;
3508 f->name = Qnil;
3509 x_set_name (f, name, explicit);
3510 }
3511
3512 ShowWindow (FRAME_MAC_WINDOW (f));
3513
3514 UNBLOCK_INPUT;
3515
3516 if (!minibuffer_only && FRAME_EXTERNAL_MENU_BAR (f))
3517 initialize_frame_menubar (f);
3518
3519 if (FRAME_MAC_WINDOW (f) == 0)
3520 error ("Unable to create window");
3521 }
3522 #endif
3523
3524 /* Handle the icon stuff for this window. Perhaps later we might
3525 want an x_set_icon_position which can be called interactively as
3526 well. */
3527
3528 static void
3529 x_icon (f, parms)
3530 struct frame *f;
3531 Lisp_Object parms;
3532 {
3533 Lisp_Object icon_x, icon_y;
3534
3535 /* Set the position of the icon. Note that Windows 95 groups all
3536 icons in the tray. */
3537 icon_x = mac_get_arg (parms, Qicon_left, 0, 0, RES_TYPE_NUMBER);
3538 icon_y = mac_get_arg (parms, Qicon_top, 0, 0, RES_TYPE_NUMBER);
3539 if (!EQ (icon_x, Qunbound) && !EQ (icon_y, Qunbound))
3540 {
3541 CHECK_NUMBER (icon_x, 0);
3542 CHECK_NUMBER (icon_y, 0);
3543 }
3544 else if (!EQ (icon_x, Qunbound) || !EQ (icon_y, Qunbound))
3545 error ("Both left and top icon corners of icon must be specified");
3546
3547 BLOCK_INPUT;
3548
3549 if (! EQ (icon_x, Qunbound))
3550 x_wm_set_icon_position (f, XINT (icon_x), XINT (icon_y));
3551
3552 #if 0 /* TODO */
3553 /* Start up iconic or window? */
3554 x_wm_set_window_state
3555 (f, (EQ (w32_get_arg (parms, Qvisibility, 0, 0, RES_TYPE_SYMBOL), Qicon)
3556 ? IconicState
3557 : NormalState));
3558
3559 x_text_icon (f, (char *) XSTRING ((!NILP (f->icon_name)
3560 ? f->icon_name
3561 : f->name))->data);
3562 #endif
3563
3564 UNBLOCK_INPUT;
3565 }
3566
3567
3568 static void
3569 x_make_gc (f)
3570 struct frame *f;
3571 {
3572 XGCValues gc_values;
3573
3574 BLOCK_INPUT;
3575
3576 /* Create the GC's of this frame.
3577 Note that many default values are used. */
3578
3579 /* Normal video */
3580 gc_values.font = f->output_data.mac->font;
3581 gc_values.foreground = f->output_data.mac->foreground_pixel;
3582 gc_values.background = f->output_data.mac->background_pixel;
3583 f->output_data.mac->normal_gc = XCreateGC (FRAME_MAC_DISPLAY (f),
3584 FRAME_MAC_WINDOW (f),
3585 GCFont | GCForeground | GCBackground,
3586 &gc_values);
3587
3588 /* Reverse video style. */
3589 gc_values.foreground = f->output_data.mac->background_pixel;
3590 gc_values.background = f->output_data.mac->foreground_pixel;
3591 f->output_data.mac->reverse_gc = XCreateGC (FRAME_MAC_DISPLAY (f),
3592 FRAME_MAC_WINDOW (f),
3593 GCFont | GCForeground | GCBackground,
3594 &gc_values);
3595
3596 /* Cursor has cursor-color background, background-color foreground. */
3597 gc_values.foreground = f->output_data.mac->background_pixel;
3598 gc_values.background = f->output_data.mac->cursor_pixel;
3599 f->output_data.mac->cursor_gc = XCreateGC (FRAME_MAC_DISPLAY (f),
3600 FRAME_MAC_WINDOW (f),
3601 GCFont | GCForeground | GCBackground,
3602 &gc_values);
3603
3604 /* Reliefs. */
3605 f->output_data.mac->white_relief.gc = 0;
3606 f->output_data.mac->black_relief.gc = 0;
3607
3608 UNBLOCK_INPUT;
3609 }
3610
3611
3612 DEFUN ("x-create-frame", Fx_create_frame, Sx_create_frame,
3613 1, 1, 0,
3614 "Make a new window, which is called a \"frame\" in Emacs terms.\n\
3615 Returns an Emacs frame object.\n\
3616 ALIST is an alist of frame parameters.\n\
3617 If the parameters specify that the frame should not have a minibuffer,\n\
3618 and do not specify a specific minibuffer window to use,\n\
3619 then `default-minibuffer-frame' must be a frame whose minibuffer can\n\
3620 be shared by the new frame.\n\
3621 \n\
3622 This function is an internal primitive--use `make-frame' instead.")
3623 (parms)
3624 Lisp_Object parms;
3625 {
3626 struct frame *f;
3627 Lisp_Object frame, tem;
3628 Lisp_Object name;
3629 int minibuffer_only = 0;
3630 long window_prompting = 0;
3631 int width, height;
3632 int count = BINDING_STACK_SIZE ();
3633 struct gcpro gcpro1, gcpro2, gcpro3, gcpro4;
3634 Lisp_Object display;
3635 struct mac_display_info *dpyinfo = NULL;
3636 Lisp_Object parent;
3637 struct kboard *kb;
3638 char x_frame_name[10];
3639 static int x_frame_count = 2; /* starts from 2 because terminal frame is F1 */
3640
3641 check_mac ();
3642
3643 /* Use this general default value to start with
3644 until we know if this frame has a specified name. */
3645 Vx_resource_name = Vinvocation_name;
3646
3647 display = mac_get_arg (parms, Qdisplay, 0, 0, RES_TYPE_STRING);
3648 if (EQ (display, Qunbound))
3649 display = Qnil;
3650 dpyinfo = check_x_display_info (display);
3651 #ifdef MULTI_KBOARD
3652 kb = dpyinfo->kboard;
3653 #else
3654 kb = &the_only_kboard;
3655 #endif
3656
3657 name = mac_get_arg (parms, Qname, "name", "Name", RES_TYPE_STRING);
3658 if (!STRINGP (name)
3659 && ! EQ (name, Qunbound)
3660 && ! NILP (name))
3661 error ("Invalid frame name--not a string or nil");
3662
3663 if (STRINGP (name))
3664 Vx_resource_name = name;
3665
3666 /* See if parent window is specified. */
3667 parent = mac_get_arg (parms, Qparent_id, NULL, NULL, RES_TYPE_NUMBER);
3668 if (EQ (parent, Qunbound))
3669 parent = Qnil;
3670 if (! NILP (parent))
3671 CHECK_NUMBER (parent, 0);
3672
3673 /* make_frame_without_minibuffer can run Lisp code and garbage collect. */
3674 /* No need to protect DISPLAY because that's not used after passing
3675 it to make_frame_without_minibuffer. */
3676 frame = Qnil;
3677 GCPRO4 (parms, parent, name, frame);
3678 tem = mac_get_arg (parms, Qminibuffer, 0, 0, RES_TYPE_SYMBOL);
3679 if (EQ (tem, Qnone) || NILP (tem))
3680 f = make_frame_without_minibuffer (Qnil, kb, display);
3681 else if (EQ (tem, Qonly))
3682 {
3683 f = make_minibuffer_frame ();
3684 minibuffer_only = 1;
3685 }
3686 else if (WINDOWP (tem))
3687 f = make_frame_without_minibuffer (tem, kb, display);
3688 else
3689 f = make_frame (1);
3690
3691 if (EQ (name, Qunbound) || NILP (name))
3692 {
3693 sprintf (x_frame_name, "F%d", x_frame_count++);
3694 f->name = build_string (x_frame_name);
3695 f->explicit_name = 0;
3696 }
3697 else
3698 {
3699 f->name = name;
3700 f->explicit_name = 1;
3701 }
3702
3703 XSETFRAME (frame, f);
3704
3705 /* Note that X Windows does support scroll bars. */
3706 FRAME_CAN_HAVE_SCROLL_BARS (f) = 1;
3707
3708 f->output_method = output_mac;
3709 f->output_data.mac = (struct mac_output *) xmalloc (sizeof (struct mac_output));
3710 bzero (f->output_data.mac, sizeof (struct mac_output));
3711 f->output_data.mac->fontset = -1;
3712 f->output_data.mac->scroll_bar_foreground_pixel = -1;
3713 f->output_data.mac->scroll_bar_background_pixel = -1;
3714
3715 #if 0
3716 FRAME_FONTSET (f) = -1;
3717 #endif
3718
3719 f->icon_name
3720 = mac_get_arg (parms, Qicon_name, "iconName", "Title", RES_TYPE_STRING);
3721 if (! STRINGP (f->icon_name))
3722 f->icon_name = Qnil;
3723
3724 /* FRAME_W32_DISPLAY_INFO (f) = dpyinfo; */
3725 #ifdef MULTI_KBOARD
3726 FRAME_KBOARD (f) = kb;
3727 #endif
3728
3729 /* Specify the parent under which to make this window. */
3730
3731 if (!NILP (parent))
3732 {
3733 f->output_data.mac->parent_desc = (Window) parent;
3734 f->output_data.mac->explicit_parent = 1;
3735 }
3736 else
3737 {
3738 f->output_data.mac->parent_desc = FRAME_MAC_DISPLAY_INFO (f)->root_window;
3739 f->output_data.mac->explicit_parent = 0;
3740 }
3741
3742 /* Set the name; the functions to which we pass f expect the name to
3743 be set. */
3744 if (EQ (name, Qunbound) || NILP (name))
3745 {
3746 f->name = build_string (dpyinfo->mac_id_name);
3747 f->explicit_name = 0;
3748 }
3749 else
3750 {
3751 f->name = name;
3752 f->explicit_name = 1;
3753 /* use the frame's title when getting resources for this frame. */
3754 specbind (Qx_resource_name, name);
3755 }
3756
3757 /* Extract the window parameters from the supplied values
3758 that are needed to determine window geometry. */
3759 {
3760 Lisp_Object font;
3761
3762 font = mac_get_arg (parms, Qfont, "font", "Font", RES_TYPE_STRING);
3763
3764 BLOCK_INPUT;
3765 /* First, try whatever font the caller has specified. */
3766 if (STRINGP (font))
3767 {
3768 tem = Fquery_fontset (font, Qnil);
3769 if (STRINGP (tem))
3770 font = x_new_fontset (f, XSTRING (tem)->data);
3771 else
3772 font = x_new_font (f, XSTRING (font)->data);
3773 }
3774 /* Try out a font which we hope has bold and italic variations. */
3775 if (! STRINGP (font))
3776 font = x_new_font (f, "-ETL-fixed-medium-r-*--*-160-*-*-*-*-iso8859-1");
3777 /* If those didn't work, look for something which will at least work. */
3778 if (!STRINGP (font))
3779 font = x_new_font (f, "-*-monaco-*-12-*-mac-roman");
3780 if (! STRINGP (font))
3781 font = x_new_font (f, "-*-courier-*-10-*-mac-roman");
3782 if (! STRINGP (font))
3783 error ("Cannot find any usable font");
3784 UNBLOCK_INPUT;
3785
3786 x_default_parameter (f, parms, Qfont, font,
3787 "font", "Font", RES_TYPE_STRING);
3788 }
3789
3790 x_default_parameter (f, parms, Qborder_width, make_number (0),
3791 "borderwidth", "BorderWidth", RES_TYPE_NUMBER);
3792 /* This defaults to 2 in order to match xterm. We recognize either
3793 internalBorderWidth or internalBorder (which is what xterm calls
3794 it). */
3795 if (NILP (Fassq (Qinternal_border_width, parms)))
3796 {
3797 Lisp_Object value;
3798
3799 value = mac_get_arg (parms, Qinternal_border_width,
3800 "internalBorder", "BorderWidth", RES_TYPE_NUMBER);
3801 if (! EQ (value, Qunbound))
3802 parms = Fcons (Fcons (Qinternal_border_width, value),
3803 parms);
3804 }
3805
3806 /* Default internalBorderWidth to 0 on Windows to match other programs. */
3807 x_default_parameter (f, parms, Qinternal_border_width, make_number (0),
3808 "internalBorderWidth", "BorderWidth", RES_TYPE_NUMBER);
3809
3810 x_default_parameter (f, parms, Qvertical_scroll_bars, Qt,
3811 "verticalScrollBars", "ScrollBars", RES_TYPE_BOOLEAN);
3812
3813 /* Also do the stuff which must be set before the window exists. */
3814 x_default_parameter (f, parms, Qforeground_color, build_string ("black"),
3815 "foreground", "Foreground", RES_TYPE_STRING);
3816 x_default_parameter (f, parms, Qbackground_color, build_string ("white"),
3817 "background", "Background", RES_TYPE_STRING);
3818 x_default_parameter (f, parms, Qmouse_color, build_string ("black"),
3819 "pointerColor", "Foreground", RES_TYPE_STRING);
3820 x_default_parameter (f, parms, Qcursor_color, build_string ("black"),
3821 "cursorColor", "Foreground", RES_TYPE_STRING);
3822 x_default_parameter (f, parms, Qborder_color, build_string ("black"),
3823 "borderColor", "BorderColor", RES_TYPE_STRING);
3824 x_default_parameter (f, parms, Qscreen_gamma, Qnil,
3825 "screenGamma", "ScreenGamma", RES_TYPE_FLOAT);
3826 x_default_parameter (f, parms, Qline_spacing, Qnil,
3827 "lineSpacing", "LineSpacing", RES_TYPE_NUMBER);
3828
3829 /* Init faces before x_default_parameter is called for scroll-bar
3830 parameters because that function calls x_set_scroll_bar_width,
3831 which calls change_frame_size, which calls Fset_window_buffer,
3832 which runs hooks, which call Fvertical_motion. At the end, we
3833 end up in init_iterator with a null face cache, which should not
3834 happen. */
3835 init_frame_faces (f);
3836
3837 x_default_parameter (f, parms, Qmenu_bar_lines, make_number (1),
3838 "menuBar", "MenuBar", RES_TYPE_NUMBER);
3839 x_default_parameter (f, parms, Qtool_bar_lines, make_number (0),
3840 "toolBar", "ToolBar", RES_TYPE_NUMBER);
3841 #if 0
3842 x_default_parameter (f, parms, Qbuffer_predicate, Qnil,
3843 "bufferPredicate", "BufferPredicate", RES_TYPE_SYMBOL);
3844 #endif
3845 x_default_parameter (f, parms, Qtitle, Qnil,
3846 "title", "Title", RES_TYPE_STRING);
3847
3848 f->output_data.mac->parent_desc = FRAME_MAC_DISPLAY_INFO (f)->root_window;
3849 window_prompting = x_figure_window_size (f, parms);
3850
3851 if (window_prompting & XNegative)
3852 {
3853 if (window_prompting & YNegative)
3854 f->output_data.mac->win_gravity = SouthEastGravity;
3855 else
3856 f->output_data.mac->win_gravity = NorthEastGravity;
3857 }
3858 else
3859 {
3860 if (window_prompting & YNegative)
3861 f->output_data.mac->win_gravity = SouthWestGravity;
3862 else
3863 f->output_data.mac->win_gravity = NorthWestGravity;
3864 }
3865
3866 f->output_data.mac->size_hint_flags = window_prompting;
3867
3868 tem = mac_get_arg (parms, Qunsplittable, 0, 0, RES_TYPE_BOOLEAN);
3869 f->no_split = minibuffer_only || EQ (tem, Qt);
3870
3871 /* Create the window. Add the tool-bar height to the initial frame
3872 height so that the user gets a text display area of the size he
3873 specified with -g or via the registry. Later changes of the
3874 tool-bar height don't change the frame size. This is done so that
3875 users can create tall Emacs frames without having to guess how
3876 tall the tool-bar will get. */
3877 f->height += FRAME_TOOL_BAR_LINES (f);
3878
3879 /* mac_window (f, window_prompting, minibuffer_only); */
3880 make_mac_frame (f);
3881
3882 x_icon (f, parms);
3883
3884 x_make_gc (f);
3885
3886 /* Now consider the frame official. */
3887 FRAME_MAC_DISPLAY_INFO (f)->reference_count++;
3888 Vframe_list = Fcons (frame, Vframe_list);
3889
3890 /* We need to do this after creating the window, so that the
3891 icon-creation functions can say whose icon they're describing. */
3892 x_default_parameter (f, parms, Qicon_type, Qnil,
3893 "bitmapIcon", "BitmapIcon", RES_TYPE_SYMBOL);
3894
3895 x_default_parameter (f, parms, Qauto_raise, Qnil,
3896 "autoRaise", "AutoRaiseLower", RES_TYPE_BOOLEAN);
3897 x_default_parameter (f, parms, Qauto_lower, Qnil,
3898 "autoLower", "AutoRaiseLower", RES_TYPE_BOOLEAN);
3899 x_default_parameter (f, parms, Qcursor_type, Qbox,
3900 "cursorType", "CursorType", RES_TYPE_SYMBOL);
3901 x_default_parameter (f, parms, Qscroll_bar_width, Qnil,
3902 "scrollBarWidth", "ScrollBarWidth", RES_TYPE_NUMBER);
3903
3904 /* Dimensions, especially f->height, must be done via change_frame_size.
3905 Change will not be effected unless different from the current
3906 f->height. */
3907
3908 width = f->width;
3909 height = f->height;
3910 f->height = 0;
3911 SET_FRAME_WIDTH (f, 0);
3912 change_frame_size (f, height, width, 1, 0, 0);
3913
3914 /* Set up faces after all frame parameters are known. */
3915 call1 (Qface_set_after_frame_default, frame);
3916
3917 #if 0 /* MAC_TODO: when we have window manager hints */
3918 /* Tell the server what size and position, etc, we want, and how
3919 badly we want them. This should be done after we have the menu
3920 bar so that its size can be taken into account. */
3921 BLOCK_INPUT;
3922 x_wm_set_size_hint (f, window_prompting, 0);
3923 UNBLOCK_INPUT;
3924 #endif
3925
3926 /* Make the window appear on the frame and enable display, unless
3927 the caller says not to. However, with explicit parent, Emacs
3928 cannot control visibility, so don't try. */
3929 if (! f->output_data.mac->explicit_parent)
3930 {
3931 Lisp_Object visibility;
3932
3933 visibility = mac_get_arg (parms, Qvisibility, 0, 0, RES_TYPE_SYMBOL);
3934 if (EQ (visibility, Qunbound))
3935 visibility = Qt;
3936
3937 #if 0 /* MAC_TODO: really no iconify on Mac */
3938 if (EQ (visibility, Qicon))
3939 x_iconify_frame (f);
3940 else
3941 #endif
3942 if (! NILP (visibility))
3943 x_make_frame_visible (f);
3944 else
3945 /* Must have been Qnil. */
3946 ;
3947 }
3948
3949 UNGCPRO;
3950 return unbind_to (count, frame);
3951 }
3952
3953 /* FRAME is used only to get a handle on the X display. We don't pass the
3954 display info directly because we're called from frame.c, which doesn't
3955 know about that structure. */
3956 Lisp_Object
3957 x_get_focus_frame (frame)
3958 struct frame *frame;
3959 {
3960 struct mac_display_info *dpyinfo = FRAME_MAC_DISPLAY_INFO (frame);
3961 Lisp_Object xfocus;
3962 if (! dpyinfo->x_focus_frame)
3963 return Qnil;
3964
3965 XSETFRAME (xfocus, dpyinfo->x_focus_frame);
3966 return xfocus;
3967 }
3968 \f
3969 DEFUN ("xw-color-defined-p", Fxw_color_defined_p, Sxw_color_defined_p, 1, 2, 0,
3970 "Internal function called by `color-defined-p', which see.")
3971 (color, frame)
3972 Lisp_Object color, frame;
3973 {
3974 XColor foo;
3975 FRAME_PTR f = check_x_frame (frame);
3976
3977 CHECK_STRING (color, 1);
3978
3979 if (mac_defined_color (f, XSTRING (color)->data, &foo, 0))
3980 return Qt;
3981 else
3982 return Qnil;
3983 }
3984
3985 DEFUN ("xw-color-values", Fxw_color_values, Sxw_color_values, 1, 2, 0,
3986 "Internal function called by `color-values', which see.")
3987 (color, frame)
3988 Lisp_Object color, frame;
3989 {
3990 XColor foo;
3991 FRAME_PTR f = check_x_frame (frame);
3992
3993 CHECK_STRING (color, 1);
3994
3995 if (mac_defined_color (f, XSTRING (color)->data, &foo, 0))
3996 {
3997 Lisp_Object rgb[3];
3998
3999 rgb[0] = make_number ((RED_FROM_ULONG (foo.pixel) << 8)
4000 | RED_FROM_ULONG (foo.pixel));
4001 rgb[1] = make_number ((GREEN_FROM_ULONG (foo.pixel) << 8)
4002 | GREEN_FROM_ULONG (foo.pixel));
4003 rgb[2] = make_number ((BLUE_FROM_ULONG (foo.pixel) << 8)
4004 | BLUE_FROM_ULONG (foo.pixel));
4005 return Flist (3, rgb);
4006 }
4007 else
4008 return Qnil;
4009 }
4010
4011 DEFUN ("xw-display-color-p", Fxw_display_color_p, Sxw_display_color_p, 0, 1, 0,
4012 "Internal function called by `display-color-p', which see.")
4013 (display)
4014 Lisp_Object display;
4015 {
4016 struct mac_display_info *dpyinfo = check_x_display_info (display);
4017
4018 if ((dpyinfo->n_planes * dpyinfo->n_cbits) <= 2)
4019 return Qnil;
4020
4021 return Qt;
4022 }
4023
4024 DEFUN ("x-display-grayscale-p", Fx_display_grayscale_p, Sx_display_grayscale_p,
4025 0, 1, 0,
4026 "Return t if the X display supports shades of gray.\n\
4027 Note that color displays do support shades of gray.\n\
4028 The optional argument DISPLAY specifies which display to ask about.\n\
4029 DISPLAY should be either a frame or a display name (a string).\n\
4030 If omitted or nil, that stands for the selected frame's display.")
4031 (display)
4032 Lisp_Object display;
4033 {
4034 struct mac_display_info *dpyinfo = check_x_display_info (display);
4035
4036 if ((dpyinfo->n_planes * dpyinfo->n_cbits) <= 1)
4037 return Qnil;
4038
4039 return Qt;
4040 }
4041
4042 DEFUN ("x-display-pixel-width", Fx_display_pixel_width, Sx_display_pixel_width,
4043 0, 1, 0,
4044 "Returns the width in pixels of the X display DISPLAY.\n\
4045 The optional argument DISPLAY specifies which display to ask about.\n\
4046 DISPLAY should be either a frame or a display name (a string).\n\
4047 If omitted or nil, that stands for the selected frame's display.")
4048 (display)
4049 Lisp_Object display;
4050 {
4051 struct mac_display_info *dpyinfo = check_x_display_info (display);
4052
4053 return make_number (dpyinfo->width);
4054 }
4055
4056 DEFUN ("x-display-pixel-height", Fx_display_pixel_height,
4057 Sx_display_pixel_height, 0, 1, 0,
4058 "Returns the height in pixels of the X display DISPLAY.\n\
4059 The optional argument DISPLAY specifies which display to ask about.\n\
4060 DISPLAY should be either a frame or a display name (a string).\n\
4061 If omitted or nil, that stands for the selected frame's display.")
4062 (display)
4063 Lisp_Object display;
4064 {
4065 struct mac_display_info *dpyinfo = check_x_display_info (display);
4066
4067 return make_number (dpyinfo->height);
4068 }
4069
4070 DEFUN ("x-display-planes", Fx_display_planes, Sx_display_planes,
4071 0, 1, 0,
4072 "Returns the number of bitplanes of the display DISPLAY.\n\
4073 The optional argument DISPLAY specifies which display to ask about.\n\
4074 DISPLAY should be either a frame or a display name (a string).\n\
4075 If omitted or nil, that stands for the selected frame's display.")
4076 (display)
4077 Lisp_Object display;
4078 {
4079 struct mac_display_info *dpyinfo = check_x_display_info (display);
4080
4081 return make_number (dpyinfo->n_planes * dpyinfo->n_cbits);
4082 }
4083
4084 DEFUN ("x-display-color-cells", Fx_display_color_cells, Sx_display_color_cells,
4085 0, 1, 0,
4086 "Returns the number of color cells of the display DISPLAY.\n\
4087 The optional argument DISPLAY specifies which display to ask about.\n\
4088 DISPLAY should be either a frame or a display name (a string).\n\
4089 If omitted or nil, that stands for the selected frame's display.")
4090 (display)
4091 Lisp_Object display;
4092 {
4093 struct mac_display_info *dpyinfo = check_x_display_info (display);
4094
4095 /* MAC_TODO: check whether this is right */
4096 return make_number ((unsigned long) (pow (2, dpyinfo->n_cbits)));
4097 }
4098
4099 DEFUN ("x-server-max-request-size", Fx_server_max_request_size,
4100 Sx_server_max_request_size,
4101 0, 1, 0,
4102 "Returns the maximum request size of the server of display DISPLAY.\n\
4103 The optional argument DISPLAY specifies which display to ask about.\n\
4104 DISPLAY should be either a frame or a display name (a string).\n\
4105 If omitted or nil, that stands for the selected frame's display.")
4106 (display)
4107 Lisp_Object display;
4108 {
4109 struct mac_display_info *dpyinfo = check_x_display_info (display);
4110
4111 return make_number (1);
4112 }
4113
4114 DEFUN ("x-server-vendor", Fx_server_vendor, Sx_server_vendor, 0, 1, 0,
4115 "Returns the vendor ID string of the W32 system (Microsoft).\n\
4116 The optional argument DISPLAY specifies which display to ask about.\n\
4117 DISPLAY should be either a frame or a display name (a string).\n\
4118 If omitted or nil, that stands for the selected frame's display.")
4119 (display)
4120 Lisp_Object display;
4121 {
4122 return build_string ("Apple Computers");
4123 }
4124
4125 DEFUN ("x-server-version", Fx_server_version, Sx_server_version, 0, 1, 0,
4126 "Returns the version numbers of the server of display DISPLAY.\n\
4127 The value is a list of three integers: the major and minor\n\
4128 version numbers, and the vendor-specific release\n\
4129 number. See also the function `x-server-vendor'.\n\n\
4130 The optional argument DISPLAY specifies which display to ask about.\n\
4131 DISPLAY should be either a frame or a display name (a string).\n\
4132 If omitted or nil, that stands for the selected frame's display.")
4133 (display)
4134 Lisp_Object display;
4135 {
4136 int mac_major_version, mac_minor_version;
4137 SInt32 response;
4138
4139 if (Gestalt (gestaltSystemVersion, &response) != noErr)
4140 error ("Cannot get Mac OS version");
4141
4142 mac_major_version = (response >> 8) & 0xf;
4143 mac_minor_version = (response >> 4) & 0xf;
4144
4145 return Fcons (make_number (mac_major_version),
4146 Fcons (make_number (mac_minor_version), Qnil));
4147 }
4148
4149 DEFUN ("x-display-screens", Fx_display_screens, Sx_display_screens, 0, 1, 0,
4150 "Returns the number of screens on the server of display DISPLAY.\n\
4151 The optional argument DISPLAY specifies which display to ask about.\n\
4152 DISPLAY should be either a frame or a display name (a string).\n\
4153 If omitted or nil, that stands for the selected frame's display.")
4154 (display)
4155 Lisp_Object display;
4156 {
4157 return make_number (1);
4158 }
4159
4160 DEFUN ("x-display-mm-height", Fx_display_mm_height, Sx_display_mm_height, 0, 1, 0,
4161 "Returns the height in millimeters of the X display DISPLAY.\n\
4162 The optional argument DISPLAY specifies which display to ask about.\n\
4163 DISPLAY should be either a frame or a display name (a string).\n\
4164 If omitted or nil, that stands for the selected frame's display.")
4165 (display)
4166 Lisp_Object display;
4167 {
4168 /* MAC_TODO: this is an approximation, and only of the main display */
4169
4170 struct mac_display_info *dpyinfo = check_x_display_info (display);
4171 short h, v;
4172
4173 ScreenRes (&h, &v);
4174
4175 return make_number ((int) (v / 72.0 * 25.4));
4176 }
4177
4178 DEFUN ("x-display-mm-width", Fx_display_mm_width, Sx_display_mm_width, 0, 1, 0,
4179 "Returns the width in millimeters of the X display DISPLAY.\n\
4180 The optional argument DISPLAY specifies which display to ask about.\n\
4181 DISPLAY should be either a frame or a display name (a string).\n\
4182 If omitted or nil, that stands for the selected frame's display.")
4183 (display)
4184 Lisp_Object display;
4185 {
4186 /* MAC_TODO: this is an approximation, and only of the main display */
4187
4188 struct mac_display_info *dpyinfo = check_x_display_info (display);
4189 short h, v;
4190
4191 ScreenRes (&h, &v);
4192
4193 return make_number ((int) (h / 72.0 * 25.4));
4194 }
4195
4196 DEFUN ("x-display-backing-store", Fx_display_backing_store,
4197 Sx_display_backing_store, 0, 1, 0,
4198 "Returns an indication of whether display DISPLAY does backing store.\n\
4199 The value may be `always', `when-mapped', or `not-useful'.\n\
4200 The optional argument DISPLAY specifies which display to ask about.\n\
4201 DISPLAY should be either a frame or a display name (a string).\n\
4202 If omitted or nil, that stands for the selected frame's display.")
4203 (display)
4204 Lisp_Object display;
4205 {
4206 return intern ("not-useful");
4207 }
4208
4209 DEFUN ("x-display-visual-class", Fx_display_visual_class,
4210 Sx_display_visual_class, 0, 1, 0,
4211 "Returns the visual class of the display DISPLAY.\n\
4212 The value is one of the symbols `static-gray', `gray-scale',\n\
4213 `static-color', `pseudo-color', `true-color', or `direct-color'.\n\n\
4214 The optional argument DISPLAY specifies which display to ask about.\n\
4215 DISPLAY should be either a frame or a display name (a string).\n\
4216 If omitted or nil, that stands for the selected frame's display.")
4217 (display)
4218 Lisp_Object display;
4219 {
4220 struct mac_display_info *dpyinfo = check_x_display_info (display);
4221
4222 #if 0
4223 switch (dpyinfo->visual->class)
4224 {
4225 case StaticGray: return (intern ("static-gray"));
4226 case GrayScale: return (intern ("gray-scale"));
4227 case StaticColor: return (intern ("static-color"));
4228 case PseudoColor: return (intern ("pseudo-color"));
4229 case TrueColor: return (intern ("true-color"));
4230 case DirectColor: return (intern ("direct-color"));
4231 default:
4232 error ("Display has an unknown visual class");
4233 }
4234 #endif
4235
4236 error ("Display has an unknown visual class");
4237 }
4238
4239 DEFUN ("x-display-save-under", Fx_display_save_under,
4240 Sx_display_save_under, 0, 1, 0,
4241 "Returns t if the display DISPLAY supports the save-under feature.\n\
4242 The optional argument DISPLAY specifies which display to ask about.\n\
4243 DISPLAY should be either a frame or a display name (a string).\n\
4244 If omitted or nil, that stands for the selected frame's display.")
4245 (display)
4246 Lisp_Object display;
4247 {
4248 return Qnil;
4249 }
4250 \f
4251 int
4252 x_pixel_width (f)
4253 register struct frame *f;
4254 {
4255 return PIXEL_WIDTH (f);
4256 }
4257
4258 int
4259 x_pixel_height (f)
4260 register struct frame *f;
4261 {
4262 return PIXEL_HEIGHT (f);
4263 }
4264
4265 int
4266 x_char_width (f)
4267 register struct frame *f;
4268 {
4269 return FONT_WIDTH (f->output_data.mac->font);
4270 }
4271
4272 int
4273 x_char_height (f)
4274 register struct frame *f;
4275 {
4276 return f->output_data.mac->line_height;
4277 }
4278
4279 int
4280 x_screen_planes (f)
4281 register struct frame *f;
4282 {
4283 return FRAME_MAC_DISPLAY_INFO (f)->n_planes;
4284 }
4285 \f
4286 /* Return the display structure for the display named NAME.
4287 Open a new connection if necessary. */
4288
4289 struct mac_display_info *
4290 x_display_info_for_name (name)
4291 Lisp_Object name;
4292 {
4293 Lisp_Object names;
4294 struct mac_display_info *dpyinfo;
4295
4296 CHECK_STRING (name, 0);
4297
4298 for (dpyinfo = &one_mac_display_info, names = x_display_name_list;
4299 dpyinfo;
4300 dpyinfo = dpyinfo->next, names = XCDR (names))
4301 {
4302 Lisp_Object tem;
4303 tem = Fstring_equal (XCAR (XCAR (names)), name);
4304 if (!NILP (tem))
4305 return dpyinfo;
4306 }
4307
4308 /* Use this general default value to start with. */
4309 Vx_resource_name = Vinvocation_name;
4310
4311 validate_x_resource_name ();
4312
4313 dpyinfo = x_term_init (name, (unsigned char *) 0,
4314 (char *) XSTRING (Vx_resource_name)->data);
4315
4316 if (dpyinfo == 0)
4317 error ("Cannot connect to server %s", XSTRING (name)->data);
4318
4319 mac_in_use = 1;
4320 XSETFASTINT (Vwindow_system_version, 3);
4321
4322 return dpyinfo;
4323 }
4324
4325 #if 0 /* MAC_TODO: implement network support */
4326 DEFUN ("x-open-connection", Fx_open_connection, Sx_open_connection,
4327 1, 3, 0, "Open a connection to a server.\n\
4328 DISPLAY is the name of the display to connect to.\n\
4329 Optional second arg XRM-STRING is a string of resources in xrdb format.\n\
4330 If the optional third arg MUST-SUCCEED is non-nil,\n\
4331 terminate Emacs if we can't open the connection.")
4332 (display, xrm_string, must_succeed)
4333 Lisp_Object display, xrm_string, must_succeed;
4334 {
4335 unsigned char *xrm_option;
4336 struct mac_display_info *dpyinfo;
4337
4338 CHECK_STRING (display, 0);
4339 if (! NILP (xrm_string))
4340 CHECK_STRING (xrm_string, 1);
4341
4342 if (! EQ (Vwindow_system, intern ("mac")))
4343 error ("Not using Mac OS");
4344
4345 if (! NILP (xrm_string))
4346 xrm_option = (unsigned char *) XSTRING (xrm_string)->data;
4347 else
4348 xrm_option = (unsigned char *) 0;
4349
4350 validate_x_resource_name ();
4351
4352 /* This is what opens the connection and sets x_current_display.
4353 This also initializes many symbols, such as those used for input. */
4354 dpyinfo = mac_term_init (display, xrm_option,
4355 (char *) XSTRING (Vx_resource_name)->data);
4356
4357 if (dpyinfo == 0)
4358 {
4359 if (!NILP (must_succeed))
4360 fatal ("Cannot connect to server %s.\n",
4361 XSTRING (display)->data);
4362 else
4363 error ("Cannot connect to server %s", XSTRING (display)->data);
4364 }
4365
4366 mac_in_use = 1;
4367
4368 XSETFASTINT (Vwindow_system_version, 3);
4369 return Qnil;
4370 }
4371
4372 DEFUN ("x-close-connection", Fx_close_connection,
4373 Sx_close_connection, 1, 1, 0,
4374 "Close the connection to DISPLAY's server.\n\
4375 For DISPLAY, specify either a frame or a display name (a string).\n\
4376 If DISPLAY is nil, that stands for the selected frame's display.")
4377 (display)
4378 Lisp_Object display;
4379 {
4380 struct mac_display_info *dpyinfo = check_x_display_info (display);
4381 int i;
4382
4383 if (dpyinfo->reference_count > 0)
4384 error ("Display still has frames on it");
4385
4386 BLOCK_INPUT;
4387 /* Free the fonts in the font table. */
4388 for (i = 0; i < dpyinfo->n_fonts; i++)
4389 if (dpyinfo->font_table[i].name)
4390 {
4391 if (dpyinfo->font_table[i].name != dpyinfo->font_table[i].full_name)
4392 xfree (dpyinfo->font_table[i].full_name);
4393 xfree (dpyinfo->font_table[i].name);
4394 x_unload_font (dpyinfo, dpyinfo->font_table[i].font);
4395 }
4396 x_destroy_all_bitmaps (dpyinfo);
4397
4398 x_delete_display (dpyinfo);
4399 UNBLOCK_INPUT;
4400
4401 return Qnil;
4402 }
4403 #endif
4404
4405 DEFUN ("x-display-list", Fx_display_list, Sx_display_list, 0, 0, 0,
4406 "Return the list of display names that Emacs has connections to.")
4407 ()
4408 {
4409 Lisp_Object tail, result;
4410
4411 result = Qnil;
4412 for (tail = x_display_name_list; ! NILP (tail); tail = XCDR (tail))
4413 result = Fcons (XCAR (XCAR (tail)), result);
4414
4415 return result;
4416 }
4417
4418 DEFUN ("x-synchronize", Fx_synchronize, Sx_synchronize, 1, 2, 0,
4419 "If ON is non-nil, report errors as soon as the erring request is made.\n\
4420 If ON is nil, allow buffering of requests.\n\
4421 This is a noop on W32 systems.\n\
4422 The optional second argument DISPLAY specifies which display to act on.\n\
4423 DISPLAY should be either a frame or a display name (a string).\n\
4424 If DISPLAY is omitted or nil, that stands for the selected frame's display.")
4425 (on, display)
4426 Lisp_Object display, on;
4427 {
4428 return Qnil;
4429 }
4430
4431 \f
4432 /***********************************************************************
4433 Image types
4434 ***********************************************************************/
4435
4436 /* Value is the number of elements of vector VECTOR. */
4437
4438 #define DIM(VECTOR) (sizeof (VECTOR) / sizeof *(VECTOR))
4439
4440 /* List of supported image types. Use define_image_type to add new
4441 types. Use lookup_image_type to find a type for a given symbol. */
4442
4443 static struct image_type *image_types;
4444
4445 /* The symbol `image' which is the car of the lists used to represent
4446 images in Lisp. */
4447
4448 extern Lisp_Object Qimage;
4449
4450 /* The symbol `xbm' which is used as the type symbol for XBM images. */
4451
4452 Lisp_Object Qxbm;
4453
4454 /* Keywords. */
4455
4456 extern Lisp_Object QCwidth, QCheight, QCforeground, QCbackground, QCfile;
4457 extern Lisp_Object QCdata;
4458 Lisp_Object QCtype, QCascent, QCmargin, QCrelief;
4459 Lisp_Object QCconversion, QCcolor_symbols, QCheuristic_mask;
4460 Lisp_Object QCindex;
4461
4462 /* Other symbols. */
4463
4464 Lisp_Object Qlaplace;
4465
4466 /* Time in seconds after which images should be removed from the cache
4467 if not displayed. */
4468
4469 Lisp_Object Vimage_cache_eviction_delay;
4470
4471 /* Function prototypes. */
4472
4473 static void define_image_type P_ ((struct image_type *type));
4474 static struct image_type *lookup_image_type P_ ((Lisp_Object symbol));
4475 static void image_error P_ ((char *format, Lisp_Object, Lisp_Object));
4476 static void x_laplace P_ ((struct frame *, struct image *));
4477 static int x_build_heuristic_mask P_ ((struct frame *, struct image *,
4478 Lisp_Object));
4479
4480
4481 /* Define a new image type from TYPE. This adds a copy of TYPE to
4482 image_types and adds the symbol *TYPE->type to Vimage_types. */
4483
4484 static void
4485 define_image_type (type)
4486 struct image_type *type;
4487 {
4488 /* Make a copy of TYPE to avoid a bus error in a dumped Emacs.
4489 The initialized data segment is read-only. */
4490 struct image_type *p = (struct image_type *) xmalloc (sizeof *p);
4491 bcopy (type, p, sizeof *p);
4492 p->next = image_types;
4493 image_types = p;
4494 Vimage_types = Fcons (*p->type, Vimage_types);
4495 }
4496
4497
4498 /* Look up image type SYMBOL, and return a pointer to its image_type
4499 structure. Value is null if SYMBOL is not a known image type. */
4500
4501 static INLINE struct image_type *
4502 lookup_image_type (symbol)
4503 Lisp_Object symbol;
4504 {
4505 struct image_type *type;
4506
4507 for (type = image_types; type; type = type->next)
4508 if (EQ (symbol, *type->type))
4509 break;
4510
4511 return type;
4512 }
4513
4514
4515 /* Value is non-zero if OBJECT is a valid Lisp image specification. A
4516 valid image specification is a list whose car is the symbol
4517 `image', and whose rest is a property list. The property list must
4518 contain a value for key `:type'. That value must be the name of a
4519 supported image type. The rest of the property list depends on the
4520 image type. */
4521
4522 int
4523 valid_image_p (object)
4524 Lisp_Object object;
4525 {
4526 int valid_p = 0;
4527
4528 if (CONSP (object) && EQ (XCAR (object), Qimage))
4529 {
4530 Lisp_Object symbol = Fplist_get (XCDR (object), QCtype);
4531 struct image_type *type = lookup_image_type (symbol);
4532
4533 if (type)
4534 valid_p = type->valid_p (object);
4535 }
4536
4537 return valid_p;
4538 }
4539
4540
4541 /* Log error message with format string FORMAT and argument ARG.
4542 Signaling an error, e.g. when an image cannot be loaded, is not a
4543 good idea because this would interrupt redisplay, and the error
4544 message display would lead to another redisplay. This function
4545 therefore simply displays a message. */
4546
4547 static void
4548 image_error (format, arg1, arg2)
4549 char *format;
4550 Lisp_Object arg1, arg2;
4551 {
4552 add_to_log (format, arg1, arg2);
4553 }
4554
4555
4556 \f
4557 /***********************************************************************
4558 Image specifications
4559 ***********************************************************************/
4560
4561 enum image_value_type
4562 {
4563 IMAGE_DONT_CHECK_VALUE_TYPE,
4564 IMAGE_STRING_VALUE,
4565 IMAGE_SYMBOL_VALUE,
4566 IMAGE_POSITIVE_INTEGER_VALUE,
4567 IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR,
4568 IMAGE_NON_NEGATIVE_INTEGER_VALUE,
4569 IMAGE_ASCENT_VALUE,
4570 IMAGE_INTEGER_VALUE,
4571 IMAGE_FUNCTION_VALUE,
4572 IMAGE_NUMBER_VALUE,
4573 IMAGE_BOOL_VALUE
4574 };
4575
4576 /* Structure used when parsing image specifications. */
4577
4578 struct image_keyword
4579 {
4580 /* Name of keyword. */
4581 char *name;
4582
4583 /* The type of value allowed. */
4584 enum image_value_type type;
4585
4586 /* Non-zero means key must be present. */
4587 int mandatory_p;
4588
4589 /* Used to recognize duplicate keywords in a property list. */
4590 int count;
4591
4592 /* The value that was found. */
4593 Lisp_Object value;
4594 };
4595
4596
4597 static int parse_image_spec P_ ((Lisp_Object, struct image_keyword *,
4598 int, Lisp_Object));
4599 static Lisp_Object image_spec_value P_ ((Lisp_Object, Lisp_Object, int *));
4600
4601
4602 /* Parse image spec SPEC according to KEYWORDS. A valid image spec
4603 has the format (image KEYWORD VALUE ...). One of the keyword/
4604 value pairs must be `:type TYPE'. KEYWORDS is a vector of
4605 image_keywords structures of size NKEYWORDS describing other
4606 allowed keyword/value pairs. Value is non-zero if SPEC is valid. */
4607
4608 static int
4609 parse_image_spec (spec, keywords, nkeywords, type)
4610 Lisp_Object spec;
4611 struct image_keyword *keywords;
4612 int nkeywords;
4613 Lisp_Object type;
4614 {
4615 int i;
4616 Lisp_Object plist;
4617
4618 if (!CONSP (spec) || !EQ (XCAR (spec), Qimage))
4619 return 0;
4620
4621 plist = XCDR (spec);
4622 while (CONSP (plist))
4623 {
4624 Lisp_Object key, value;
4625
4626 /* First element of a pair must be a symbol. */
4627 key = XCAR (plist);
4628 plist = XCDR (plist);
4629 if (!SYMBOLP (key))
4630 return 0;
4631
4632 /* There must follow a value. */
4633 if (!CONSP (plist))
4634 return 0;
4635 value = XCAR (plist);
4636 plist = XCDR (plist);
4637
4638 /* Find key in KEYWORDS. Error if not found. */
4639 for (i = 0; i < nkeywords; ++i)
4640 if (strcmp (keywords[i].name, XSYMBOL (key)->name->data) == 0)
4641 break;
4642
4643 if (i == nkeywords)
4644 continue;
4645
4646 /* Record that we recognized the keyword. If a keywords
4647 was found more than once, it's an error. */
4648 keywords[i].value = value;
4649 ++keywords[i].count;
4650
4651 if (keywords[i].count > 1)
4652 return 0;
4653
4654 /* Check type of value against allowed type. */
4655 switch (keywords[i].type)
4656 {
4657 case IMAGE_STRING_VALUE:
4658 if (!STRINGP (value))
4659 return 0;
4660 break;
4661
4662 case IMAGE_SYMBOL_VALUE:
4663 if (!SYMBOLP (value))
4664 return 0;
4665 break;
4666
4667 case IMAGE_POSITIVE_INTEGER_VALUE:
4668 if (!INTEGERP (value) || XINT (value) <= 0)
4669 return 0;
4670 break;
4671
4672 case IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR:
4673 if (INTEGERP (value) && XINT (value) >= 0)
4674 break;
4675 if (CONSP (value)
4676 && INTEGERP (XCAR (value)) && INTEGERP (XCDR (value))
4677 && XINT (XCAR (value)) >= 0 && XINT (XCDR (value)) >= 0)
4678 break;
4679 return 0;
4680
4681 case IMAGE_ASCENT_VALUE:
4682 if (SYMBOLP (value) && EQ (value, Qcenter))
4683 break;
4684 else if (INTEGERP (value)
4685 && XINT (value) >= 0
4686 && XINT (value) <= 100)
4687 break;
4688 return 0;
4689
4690 case IMAGE_NON_NEGATIVE_INTEGER_VALUE:
4691 if (!INTEGERP (value) || XINT (value) < 0)
4692 return 0;
4693 break;
4694
4695 case IMAGE_DONT_CHECK_VALUE_TYPE:
4696 break;
4697
4698 case IMAGE_FUNCTION_VALUE:
4699 value = indirect_function (value);
4700 if (SUBRP (value)
4701 || COMPILEDP (value)
4702 || (CONSP (value) && EQ (XCAR (value), Qlambda)))
4703 break;
4704 return 0;
4705
4706 case IMAGE_NUMBER_VALUE:
4707 if (!INTEGERP (value) && !FLOATP (value))
4708 return 0;
4709 break;
4710
4711 case IMAGE_INTEGER_VALUE:
4712 if (!INTEGERP (value))
4713 return 0;
4714 break;
4715
4716 case IMAGE_BOOL_VALUE:
4717 if (!NILP (value) && !EQ (value, Qt))
4718 return 0;
4719 break;
4720
4721 default:
4722 abort ();
4723 break;
4724 }
4725
4726 if (EQ (key, QCtype) && !EQ (type, value))
4727 return 0;
4728 }
4729
4730 /* Check that all mandatory fields are present. */
4731 for (i = 0; i < nkeywords; ++i)
4732 if (keywords[i].mandatory_p && keywords[i].count == 0)
4733 return 0;
4734
4735 return NILP (plist);
4736 }
4737
4738
4739 /* Return the value of KEY in image specification SPEC. Value is nil
4740 if KEY is not present in SPEC. if FOUND is not null, set *FOUND
4741 to 1 if KEY was found in SPEC, set it to 0 otherwise. */
4742
4743 static Lisp_Object
4744 image_spec_value (spec, key, found)
4745 Lisp_Object spec, key;
4746 int *found;
4747 {
4748 Lisp_Object tail;
4749
4750 xassert (valid_image_p (spec));
4751
4752 for (tail = XCDR (spec);
4753 CONSP (tail) && CONSP (XCDR (tail));
4754 tail = XCDR (XCDR (tail)))
4755 {
4756 if (EQ (XCAR (tail), key))
4757 {
4758 if (found)
4759 *found = 1;
4760 return XCAR (XCDR (tail));
4761 }
4762 }
4763
4764 if (found)
4765 *found = 0;
4766 return Qnil;
4767 }
4768
4769
4770
4771 \f
4772 /***********************************************************************
4773 Image type independent image structures
4774 ***********************************************************************/
4775
4776 static struct image *make_image P_ ((Lisp_Object spec, unsigned hash));
4777 static void free_image P_ ((struct frame *f, struct image *img));
4778
4779
4780 /* Allocate and return a new image structure for image specification
4781 SPEC. SPEC has a hash value of HASH. */
4782
4783 static struct image *
4784 make_image (spec, hash)
4785 Lisp_Object spec;
4786 unsigned hash;
4787 {
4788 struct image *img = (struct image *) xmalloc (sizeof *img);
4789
4790 xassert (valid_image_p (spec));
4791 bzero (img, sizeof *img);
4792 img->type = lookup_image_type (image_spec_value (spec, QCtype, NULL));
4793 xassert (img->type != NULL);
4794 img->spec = spec;
4795 img->data.lisp_val = Qnil;
4796 img->ascent = DEFAULT_IMAGE_ASCENT;
4797 img->hash = hash;
4798 return img;
4799 }
4800
4801
4802 /* Free image IMG which was used on frame F, including its resources. */
4803
4804 static void
4805 free_image (f, img)
4806 struct frame *f;
4807 struct image *img;
4808 {
4809 if (img)
4810 {
4811 struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
4812
4813 /* Remove IMG from the hash table of its cache. */
4814 if (img->prev)
4815 img->prev->next = img->next;
4816 else
4817 c->buckets[img->hash % IMAGE_CACHE_BUCKETS_SIZE] = img->next;
4818
4819 if (img->next)
4820 img->next->prev = img->prev;
4821
4822 c->images[img->id] = NULL;
4823
4824 /* Free resources, then free IMG. */
4825 img->type->free (f, img);
4826 xfree (img);
4827 }
4828 }
4829
4830
4831 /* Prepare image IMG for display on frame F. Must be called before
4832 drawing an image. */
4833
4834 void
4835 prepare_image_for_display (f, img)
4836 struct frame *f;
4837 struct image *img;
4838 {
4839 EMACS_TIME t;
4840
4841 /* We're about to display IMG, so set its timestamp to `now'. */
4842 EMACS_GET_TIME (t);
4843 img->timestamp = EMACS_SECS (t);
4844
4845 /* If IMG doesn't have a pixmap yet, load it now, using the image
4846 type dependent loader function. */
4847 if (img->pixmap == 0 && !img->load_failed_p)
4848 img->load_failed_p = img->type->load (f, img) == 0;
4849 }
4850
4851
4852 /* Value is the number of pixels for the ascent of image IMG when
4853 drawn in face FACE. */
4854
4855 int
4856 image_ascent (img, face)
4857 struct image *img;
4858 struct face *face;
4859 {
4860 int height = img->height + img->vmargin;
4861 int ascent;
4862
4863 if (img->ascent == CENTERED_IMAGE_ASCENT)
4864 {
4865 if (face->font)
4866 ascent = height / 2 - (FONT_DESCENT(face->font)
4867 - FONT_BASE(face->font)) / 2;
4868 else
4869 ascent = height / 2;
4870 }
4871 else
4872 ascent = height * img->ascent / 100.0;
4873
4874 return ascent;
4875 }
4876
4877
4878 \f
4879 /***********************************************************************
4880 Helper functions for X image types
4881 ***********************************************************************/
4882
4883 static void x_clear_image P_ ((struct frame *f, struct image *img));
4884 static unsigned long x_alloc_image_color P_ ((struct frame *f,
4885 struct image *img,
4886 Lisp_Object color_name,
4887 unsigned long dflt));
4888
4889 /* Free X resources of image IMG which is used on frame F. */
4890
4891 static void
4892 x_clear_image (f, img)
4893 struct frame *f;
4894 struct image *img;
4895 {
4896 #if 0 /* MAC_TODO: W32 image support */
4897
4898 if (img->pixmap)
4899 {
4900 BLOCK_INPUT;
4901 XFreePixmap (NULL, img->pixmap);
4902 img->pixmap = 0;
4903 UNBLOCK_INPUT;
4904 }
4905
4906 if (img->ncolors)
4907 {
4908 int class = FRAME_W32_DISPLAY_INFO (f)->visual->class;
4909
4910 /* If display has an immutable color map, freeing colors is not
4911 necessary and some servers don't allow it. So don't do it. */
4912 if (class != StaticColor
4913 && class != StaticGray
4914 && class != TrueColor)
4915 {
4916 Colormap cmap;
4917 BLOCK_INPUT;
4918 cmap = DefaultColormapOfScreen (FRAME_W32_DISPLAY_INFO (f)->screen);
4919 XFreeColors (FRAME_W32_DISPLAY (f), cmap, img->colors,
4920 img->ncolors, 0);
4921 UNBLOCK_INPUT;
4922 }
4923
4924 xfree (img->colors);
4925 img->colors = NULL;
4926 img->ncolors = 0;
4927 }
4928 #endif
4929 }
4930
4931
4932 /* Allocate color COLOR_NAME for image IMG on frame F. If color
4933 cannot be allocated, use DFLT. Add a newly allocated color to
4934 IMG->colors, so that it can be freed again. Value is the pixel
4935 color. */
4936
4937 static unsigned long
4938 x_alloc_image_color (f, img, color_name, dflt)
4939 struct frame *f;
4940 struct image *img;
4941 Lisp_Object color_name;
4942 unsigned long dflt;
4943 {
4944 #if 0 /* MAC_TODO: allocing colors. */
4945 XColor color;
4946 unsigned long result;
4947
4948 xassert (STRINGP (color_name));
4949
4950 if (w32_defined_color (f, XSTRING (color_name)->data, &color, 1))
4951 {
4952 /* This isn't called frequently so we get away with simply
4953 reallocating the color vector to the needed size, here. */
4954 ++img->ncolors;
4955 img->colors =
4956 (unsigned long *) xrealloc (img->colors,
4957 img->ncolors * sizeof *img->colors);
4958 img->colors[img->ncolors - 1] = color.pixel;
4959 result = color.pixel;
4960 }
4961 else
4962 result = dflt;
4963 return result;
4964 #endif
4965 return 0;
4966 }
4967
4968
4969 \f
4970 /***********************************************************************
4971 Image Cache
4972 ***********************************************************************/
4973
4974 static void cache_image P_ ((struct frame *f, struct image *img));
4975
4976
4977 /* Return a new, initialized image cache that is allocated from the
4978 heap. Call free_image_cache to free an image cache. */
4979
4980 struct image_cache *
4981 make_image_cache ()
4982 {
4983 struct image_cache *c = (struct image_cache *) xmalloc (sizeof *c);
4984 int size;
4985
4986 bzero (c, sizeof *c);
4987 c->size = 50;
4988 c->images = (struct image **) xmalloc (c->size * sizeof *c->images);
4989 size = IMAGE_CACHE_BUCKETS_SIZE * sizeof *c->buckets;
4990 c->buckets = (struct image **) xmalloc (size);
4991 bzero (c->buckets, size);
4992 return c;
4993 }
4994
4995
4996 /* Free image cache of frame F. Be aware that X frames share images
4997 caches. */
4998
4999 void
5000 free_image_cache (f)
5001 struct frame *f;
5002 {
5003 struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
5004 if (c)
5005 {
5006 int i;
5007
5008 /* Cache should not be referenced by any frame when freed. */
5009 xassert (c->refcount == 0);
5010
5011 for (i = 0; i < c->used; ++i)
5012 free_image (f, c->images[i]);
5013 xfree (c->images);
5014 xfree (c);
5015 xfree (c->buckets);
5016 FRAME_X_IMAGE_CACHE (f) = NULL;
5017 }
5018 }
5019
5020
5021 /* Clear image cache of frame F. FORCE_P non-zero means free all
5022 images. FORCE_P zero means clear only images that haven't been
5023 displayed for some time. Should be called from time to time to
5024 reduce the number of loaded images. If image-eviction-seconds is
5025 non-nil, this frees images in the cache which weren't displayed for
5026 at least that many seconds. */
5027
5028 void
5029 clear_image_cache (f, force_p)
5030 struct frame *f;
5031 int force_p;
5032 {
5033 struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
5034
5035 if (c && INTEGERP (Vimage_cache_eviction_delay))
5036 {
5037 EMACS_TIME t;
5038 unsigned long old;
5039 int i, any_freed_p = 0;
5040
5041 EMACS_GET_TIME (t);
5042 old = EMACS_SECS (t) - XFASTINT (Vimage_cache_eviction_delay);
5043
5044 for (i = 0; i < c->used; ++i)
5045 {
5046 struct image *img = c->images[i];
5047 if (img != NULL
5048 && (force_p
5049 || (img->timestamp > old)))
5050 {
5051 free_image (f, img);
5052 any_freed_p = 1;
5053 }
5054 }
5055
5056 /* We may be clearing the image cache because, for example,
5057 Emacs was iconified for a longer period of time. In that
5058 case, current matrices may still contain references to
5059 images freed above. So, clear these matrices. */
5060 if (any_freed_p)
5061 {
5062 clear_current_matrices (f);
5063 ++windows_or_buffers_changed;
5064 }
5065 }
5066 }
5067
5068
5069 DEFUN ("clear-image-cache", Fclear_image_cache, Sclear_image_cache,
5070 0, 1, 0,
5071 "Clear the image cache of FRAME.\n\
5072 FRAME nil or omitted means use the selected frame.\n\
5073 FRAME t means clear the image caches of all frames.")
5074 (frame)
5075 Lisp_Object frame;
5076 {
5077 if (EQ (frame, Qt))
5078 {
5079 Lisp_Object tail;
5080
5081 FOR_EACH_FRAME (tail, frame)
5082 if (FRAME_MAC_P (XFRAME (frame)))
5083 clear_image_cache (XFRAME (frame), 1);
5084 }
5085 else
5086 clear_image_cache (check_x_frame (frame), 1);
5087
5088 return Qnil;
5089 }
5090
5091
5092 /* Return the id of image with Lisp specification SPEC on frame F.
5093 SPEC must be a valid Lisp image specification (see valid_image_p). */
5094
5095 int
5096 lookup_image (f, spec)
5097 struct frame *f;
5098 Lisp_Object spec;
5099 {
5100 struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
5101 struct image *img;
5102 int i;
5103 unsigned hash;
5104 struct gcpro gcpro1;
5105 EMACS_TIME now;
5106
5107 /* F must be a window-system frame, and SPEC must be a valid image
5108 specification. */
5109 xassert (FRAME_WINDOW_P (f));
5110 xassert (valid_image_p (spec));
5111
5112 GCPRO1 (spec);
5113
5114 /* Look up SPEC in the hash table of the image cache. */
5115 hash = sxhash (spec, 0);
5116 i = hash % IMAGE_CACHE_BUCKETS_SIZE;
5117
5118 for (img = c->buckets[i]; img; img = img->next)
5119 if (img->hash == hash && !NILP (Fequal (img->spec, spec)))
5120 break;
5121
5122 /* If not found, create a new image and cache it. */
5123 if (img == NULL)
5124 {
5125 BLOCK_INPUT;
5126 img = make_image (spec, hash);
5127 cache_image (f, img);
5128 img->load_failed_p = img->type->load (f, img) == 0;
5129
5130 /* If we can't load the image, and we don't have a width and
5131 height, use some arbitrary width and height so that we can
5132 draw a rectangle for it. */
5133 if (img->load_failed_p)
5134 {
5135 Lisp_Object value;
5136
5137 value = image_spec_value (spec, QCwidth, NULL);
5138 img->width = (INTEGERP (value)
5139 ? XFASTINT (value) : DEFAULT_IMAGE_WIDTH);
5140 value = image_spec_value (spec, QCheight, NULL);
5141 img->height = (INTEGERP (value)
5142 ? XFASTINT (value) : DEFAULT_IMAGE_HEIGHT);
5143 }
5144 else
5145 {
5146 /* Handle image type independent image attributes
5147 `:ascent PERCENT', `:margin MARGIN', `:relief RELIEF'. */
5148 Lisp_Object ascent, margin, relief;
5149
5150 ascent = image_spec_value (spec, QCascent, NULL);
5151 if (INTEGERP (ascent))
5152 img->ascent = XFASTINT (ascent);
5153 else if (EQ (ascent, Qcenter))
5154 img->ascent = CENTERED_IMAGE_ASCENT;
5155
5156 margin = image_spec_value (spec, QCmargin, NULL);
5157 if (INTEGERP (margin) && XINT (margin) >= 0)
5158 img->vmargin = img->hmargin = XFASTINT (margin);
5159 else if (CONSP (margin) && INTEGERP (XCAR (margin))
5160 && INTEGERP (XCDR (margin)))
5161 {
5162 if (XINT (XCAR (margin)) > 0)
5163 img->hmargin = XFASTINT (XCAR (margin));
5164 if (XINT (XCDR (margin)) > 0)
5165 img->vmargin = XFASTINT (XCDR (margin));
5166 }
5167
5168 relief = image_spec_value (spec, QCrelief, NULL);
5169 if (INTEGERP (relief))
5170 {
5171 img->relief = XINT (relief);
5172 img->hmargin += abs (img->relief);
5173 img->vmargin += abs (img->relief);
5174 }
5175 }
5176 }
5177
5178 /* We're using IMG, so set its timestamp to `now'. */
5179 EMACS_GET_TIME (now);
5180 img->timestamp = EMACS_SECS (now);
5181
5182 UNGCPRO;
5183
5184 /* Value is the image id. */
5185 return img->id;
5186 }
5187
5188
5189 /* Cache image IMG in the image cache of frame F. */
5190
5191 static void
5192 cache_image (f, img)
5193 struct frame *f;
5194 struct image *img;
5195 {
5196 struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
5197 int i;
5198
5199 /* Find a free slot in c->images. */
5200 for (i = 0; i < c->used; ++i)
5201 if (c->images[i] == NULL)
5202 break;
5203
5204 /* If no free slot found, maybe enlarge c->images. */
5205 if (i == c->used && c->used == c->size)
5206 {
5207 c->size *= 2;
5208 c->images = (struct image **) xrealloc (c->images,
5209 c->size * sizeof *c->images);
5210 }
5211
5212 /* Add IMG to c->images, and assign IMG an id. */
5213 c->images[i] = img;
5214 img->id = i;
5215 if (i == c->used)
5216 ++c->used;
5217
5218 /* Add IMG to the cache's hash table. */
5219 i = img->hash % IMAGE_CACHE_BUCKETS_SIZE;
5220 img->next = c->buckets[i];
5221 if (img->next)
5222 img->next->prev = img;
5223 img->prev = NULL;
5224 c->buckets[i] = img;
5225 }
5226
5227
5228 /* Call FN on every image in the image cache of frame F. Used to mark
5229 Lisp Objects in the image cache. */
5230
5231 void
5232 forall_images_in_image_cache (f, fn)
5233 struct frame *f;
5234 void (*fn) P_ ((struct image *img));
5235 {
5236 if (FRAME_LIVE_P (f) && FRAME_MAC_P (f))
5237 {
5238 struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
5239 if (c)
5240 {
5241 int i;
5242 for (i = 0; i < c->used; ++i)
5243 if (c->images[i])
5244 fn (c->images[i]);
5245 }
5246 }
5247 }
5248
5249
5250 \f
5251 /***********************************************************************
5252 Mac support code
5253 ***********************************************************************/
5254
5255 #if 0 /* MAC_TODO: Mac specific image code. */
5256
5257 static int x_create_x_image_and_pixmap P_ ((struct frame *, int, int, int,
5258 XImage **, Pixmap *));
5259 static void x_destroy_x_image P_ ((XImage *));
5260 static void x_put_x_image P_ ((struct frame *, XImage *, Pixmap, int, int));
5261
5262
5263 /* Create an XImage and a pixmap of size WIDTH x HEIGHT for use on
5264 frame F. Set *XIMG and *PIXMAP to the XImage and Pixmap created.
5265 Set (*XIMG)->data to a raster of WIDTH x HEIGHT pixels allocated
5266 via xmalloc. Print error messages via image_error if an error
5267 occurs. Value is non-zero if successful. */
5268
5269 static int
5270 x_create_x_image_and_pixmap (f, width, height, depth, ximg, pixmap)
5271 struct frame *f;
5272 int width, height, depth;
5273 XImage **ximg;
5274 Pixmap *pixmap;
5275 {
5276 #if 0 /* MAC_TODO: Image support for Mac */
5277 Display *display = FRAME_W32_DISPLAY (f);
5278 Screen *screen = FRAME_X_SCREEN (f);
5279 Window window = FRAME_W32_WINDOW (f);
5280
5281 xassert (interrupt_input_blocked);
5282
5283 if (depth <= 0)
5284 depth = DefaultDepthOfScreen (screen);
5285 *ximg = XCreateImage (display, DefaultVisualOfScreen (screen),
5286 depth, ZPixmap, 0, NULL, width, height,
5287 depth > 16 ? 32 : depth > 8 ? 16 : 8, 0);
5288 if (*ximg == NULL)
5289 {
5290 image_error ("Unable to allocate X image", Qnil, Qnil);
5291 return 0;
5292 }
5293
5294 /* Allocate image raster. */
5295 (*ximg)->data = (char *) xmalloc ((*ximg)->bytes_per_line * height);
5296
5297 /* Allocate a pixmap of the same size. */
5298 *pixmap = XCreatePixmap (display, window, width, height, depth);
5299 if (*pixmap == 0)
5300 {
5301 x_destroy_x_image (*ximg);
5302 *ximg = NULL;
5303 image_error ("Unable to create X pixmap", Qnil, Qnil);
5304 return 0;
5305 }
5306 #endif
5307 return 1;
5308 }
5309
5310
5311 /* Destroy XImage XIMG. Free XIMG->data. */
5312
5313 static void
5314 x_destroy_x_image (ximg)
5315 XImage *ximg;
5316 {
5317 xassert (interrupt_input_blocked);
5318 if (ximg)
5319 {
5320 xfree (ximg->data);
5321 ximg->data = NULL;
5322 XDestroyImage (ximg);
5323 }
5324 }
5325
5326
5327 /* Put XImage XIMG into pixmap PIXMAP on frame F. WIDTH and HEIGHT
5328 are width and height of both the image and pixmap. */
5329
5330 static void
5331 x_put_x_image (f, ximg, pixmap, width, height)
5332 struct frame *f;
5333 XImage *ximg;
5334 Pixmap pixmap;
5335 {
5336 GC gc;
5337
5338 xassert (interrupt_input_blocked);
5339 gc = XCreateGC (NULL, pixmap, 0, NULL);
5340 XPutImage (NULL, pixmap, gc, ximg, 0, 0, 0, 0, width, height);
5341 XFreeGC (NULL, gc);
5342 }
5343
5344 #endif
5345
5346 \f
5347 /***********************************************************************
5348 Searching files
5349 ***********************************************************************/
5350
5351 static Lisp_Object x_find_image_file P_ ((Lisp_Object));
5352
5353 /* Find image file FILE. Look in data-directory, then
5354 x-bitmap-file-path. Value is the full name of the file found, or
5355 nil if not found. */
5356
5357 static Lisp_Object
5358 x_find_image_file (file)
5359 Lisp_Object file;
5360 {
5361 Lisp_Object file_found, search_path;
5362 struct gcpro gcpro1, gcpro2;
5363 int fd;
5364
5365 file_found = Qnil;
5366 search_path = Fcons (Vdata_directory, Vx_bitmap_file_path);
5367 GCPRO2 (file_found, search_path);
5368
5369 /* Try to find FILE in data-directory, then x-bitmap-file-path. */
5370 fd = openp (search_path, file, Qnil, &file_found, 0);
5371
5372 if (fd < 0)
5373 file_found = Qnil;
5374 else
5375 close (fd);
5376
5377 UNGCPRO;
5378 return file_found;
5379 }
5380
5381 \f
5382 /***********************************************************************
5383 XBM images
5384 ***********************************************************************/
5385
5386 static int xbm_load P_ ((struct frame *f, struct image *img));
5387 static int xbm_load_image_from_file P_ ((struct frame *f, struct image *img,
5388 Lisp_Object file));
5389 static int xbm_image_p P_ ((Lisp_Object object));
5390 static int xbm_read_bitmap_file_data P_ ((char *, int *, int *,
5391 unsigned char **));
5392
5393
5394 /* Indices of image specification fields in xbm_format, below. */
5395
5396 enum xbm_keyword_index
5397 {
5398 XBM_TYPE,
5399 XBM_FILE,
5400 XBM_WIDTH,
5401 XBM_HEIGHT,
5402 XBM_DATA,
5403 XBM_FOREGROUND,
5404 XBM_BACKGROUND,
5405 XBM_ASCENT,
5406 XBM_MARGIN,
5407 XBM_RELIEF,
5408 XBM_ALGORITHM,
5409 XBM_HEURISTIC_MASK,
5410 XBM_LAST
5411 };
5412
5413 /* Vector of image_keyword structures describing the format
5414 of valid XBM image specifications. */
5415
5416 static struct image_keyword xbm_format[XBM_LAST] =
5417 {
5418 {":type", IMAGE_SYMBOL_VALUE, 1},
5419 {":file", IMAGE_STRING_VALUE, 0},
5420 {":width", IMAGE_POSITIVE_INTEGER_VALUE, 0},
5421 {":height", IMAGE_POSITIVE_INTEGER_VALUE, 0},
5422 {":data", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
5423 {":foreground", IMAGE_STRING_VALUE, 0},
5424 {":background", IMAGE_STRING_VALUE, 0},
5425 {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0},
5426 {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0},
5427 {":relief", IMAGE_INTEGER_VALUE, 0},
5428 {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
5429 {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}
5430 };
5431
5432 /* Structure describing the image type XBM. */
5433
5434 static struct image_type xbm_type =
5435 {
5436 &Qxbm,
5437 xbm_image_p,
5438 xbm_load,
5439 x_clear_image,
5440 NULL
5441 };
5442
5443 /* Tokens returned from xbm_scan. */
5444
5445 enum xbm_token
5446 {
5447 XBM_TK_IDENT = 256,
5448 XBM_TK_NUMBER
5449 };
5450
5451
5452 /* Return non-zero if OBJECT is a valid XBM-type image specification.
5453 A valid specification is a list starting with the symbol `image'
5454 The rest of the list is a property list which must contain an
5455 entry `:type xbm..
5456
5457 If the specification specifies a file to load, it must contain
5458 an entry `:file FILENAME' where FILENAME is a string.
5459
5460 If the specification is for a bitmap loaded from memory it must
5461 contain `:width WIDTH', `:height HEIGHT', and `:data DATA', where
5462 WIDTH and HEIGHT are integers > 0. DATA may be:
5463
5464 1. a string large enough to hold the bitmap data, i.e. it must
5465 have a size >= (WIDTH + 7) / 8 * HEIGHT
5466
5467 2. a bool-vector of size >= WIDTH * HEIGHT
5468
5469 3. a vector of strings or bool-vectors, one for each line of the
5470 bitmap.
5471
5472 Both the file and data forms may contain the additional entries
5473 `:background COLOR' and `:foreground COLOR'. If not present,
5474 foreground and background of the frame on which the image is
5475 displayed, is used. */
5476
5477 static int
5478 xbm_image_p (object)
5479 Lisp_Object object;
5480 {
5481 struct image_keyword kw[XBM_LAST];
5482
5483 bcopy (xbm_format, kw, sizeof kw);
5484 if (!parse_image_spec (object, kw, XBM_LAST, Qxbm))
5485 return 0;
5486
5487 xassert (EQ (kw[XBM_TYPE].value, Qxbm));
5488
5489 if (kw[XBM_FILE].count)
5490 {
5491 if (kw[XBM_WIDTH].count || kw[XBM_HEIGHT].count || kw[XBM_DATA].count)
5492 return 0;
5493 }
5494 else
5495 {
5496 Lisp_Object data;
5497 int width, height;
5498
5499 /* Entries for `:width', `:height' and `:data' must be present. */
5500 if (!kw[XBM_WIDTH].count
5501 || !kw[XBM_HEIGHT].count
5502 || !kw[XBM_DATA].count)
5503 return 0;
5504
5505 data = kw[XBM_DATA].value;
5506 width = XFASTINT (kw[XBM_WIDTH].value);
5507 height = XFASTINT (kw[XBM_HEIGHT].value);
5508
5509 /* Check type of data, and width and height against contents of
5510 data. */
5511 if (VECTORP (data))
5512 {
5513 int i;
5514
5515 /* Number of elements of the vector must be >= height. */
5516 if (XVECTOR (data)->size < height)
5517 return 0;
5518
5519 /* Each string or bool-vector in data must be large enough
5520 for one line of the image. */
5521 for (i = 0; i < height; ++i)
5522 {
5523 Lisp_Object elt = XVECTOR (data)->contents[i];
5524
5525 if (STRINGP (elt))
5526 {
5527 if (XSTRING (elt)->size
5528 < (width + BITS_PER_CHAR - 1) / BITS_PER_CHAR)
5529 return 0;
5530 }
5531 else if (BOOL_VECTOR_P (elt))
5532 {
5533 if (XBOOL_VECTOR (elt)->size < width)
5534 return 0;
5535 }
5536 else
5537 return 0;
5538 }
5539 }
5540 else if (STRINGP (data))
5541 {
5542 if (XSTRING (data)->size
5543 < (width + BITS_PER_CHAR - 1) / BITS_PER_CHAR * height)
5544 return 0;
5545 }
5546 else if (BOOL_VECTOR_P (data))
5547 {
5548 if (XBOOL_VECTOR (data)->size < width * height)
5549 return 0;
5550 }
5551 else
5552 return 0;
5553 }
5554
5555 /* Baseline must be a value between 0 and 100 (a percentage). */
5556 if (kw[XBM_ASCENT].count
5557 && XFASTINT (kw[XBM_ASCENT].value) > 100)
5558 return 0;
5559
5560 return 1;
5561 }
5562
5563
5564 /* Scan a bitmap file. FP is the stream to read from. Value is
5565 either an enumerator from enum xbm_token, or a character for a
5566 single-character token, or 0 at end of file. If scanning an
5567 identifier, store the lexeme of the identifier in SVAL. If
5568 scanning a number, store its value in *IVAL. */
5569
5570 static int
5571 xbm_scan (fp, sval, ival)
5572 FILE *fp;
5573 char *sval;
5574 int *ival;
5575 {
5576 int c;
5577
5578 /* Skip white space. */
5579 while ((c = fgetc (fp)) != EOF && isspace (c))
5580 ;
5581
5582 if (c == EOF)
5583 c = 0;
5584 else if (isdigit (c))
5585 {
5586 int value = 0, digit;
5587
5588 if (c == '0')
5589 {
5590 c = fgetc (fp);
5591 if (c == 'x' || c == 'X')
5592 {
5593 while ((c = fgetc (fp)) != EOF)
5594 {
5595 if (isdigit (c))
5596 digit = c - '0';
5597 else if (c >= 'a' && c <= 'f')
5598 digit = c - 'a' + 10;
5599 else if (c >= 'A' && c <= 'F')
5600 digit = c - 'A' + 10;
5601 else
5602 break;
5603 value = 16 * value + digit;
5604 }
5605 }
5606 else if (isdigit (c))
5607 {
5608 value = c - '0';
5609 while ((c = fgetc (fp)) != EOF
5610 && isdigit (c))
5611 value = 8 * value + c - '0';
5612 }
5613 }
5614 else
5615 {
5616 value = c - '0';
5617 while ((c = fgetc (fp)) != EOF
5618 && isdigit (c))
5619 value = 10 * value + c - '0';
5620 }
5621
5622 if (c != EOF)
5623 ungetc (c, fp);
5624 *ival = value;
5625 c = XBM_TK_NUMBER;
5626 }
5627 else if (isalpha (c) || c == '_')
5628 {
5629 *sval++ = c;
5630 while ((c = fgetc (fp)) != EOF
5631 && (isalnum (c) || c == '_'))
5632 *sval++ = c;
5633 *sval = 0;
5634 if (c != EOF)
5635 ungetc (c, fp);
5636 c = XBM_TK_IDENT;
5637 }
5638
5639 return c;
5640 }
5641
5642
5643 /* Replacement for XReadBitmapFileData which isn't available under old
5644 X versions. FILE is the name of the bitmap file to read. Set
5645 *WIDTH and *HEIGHT to the width and height of the image. Return in
5646 *DATA the bitmap data allocated with xmalloc. Value is non-zero if
5647 successful. */
5648
5649 static int
5650 xbm_read_bitmap_file_data (file, width, height, data)
5651 char *file;
5652 int *width, *height;
5653 unsigned char **data;
5654 {
5655 FILE *fp;
5656 char buffer[BUFSIZ];
5657 int padding_p = 0;
5658 int v10 = 0;
5659 int bytes_per_line, i, nbytes;
5660 unsigned char *p;
5661 int value;
5662 int LA1;
5663
5664 #define match() \
5665 LA1 = xbm_scan (fp, buffer, &value)
5666
5667 #define expect(TOKEN) \
5668 if (LA1 != (TOKEN)) \
5669 goto failure; \
5670 else \
5671 match ()
5672
5673 #define expect_ident(IDENT) \
5674 if (LA1 == XBM_TK_IDENT && strcmp (buffer, (IDENT)) == 0) \
5675 match (); \
5676 else \
5677 goto failure
5678
5679 fp = fopen (file, "r");
5680 if (fp == NULL)
5681 return 0;
5682
5683 *width = *height = -1;
5684 *data = NULL;
5685 LA1 = xbm_scan (fp, buffer, &value);
5686
5687 /* Parse defines for width, height and hot-spots. */
5688 while (LA1 == '#')
5689 {
5690 match ();
5691 expect_ident ("define");
5692 expect (XBM_TK_IDENT);
5693
5694 if (LA1 == XBM_TK_NUMBER);
5695 {
5696 char *p = strrchr (buffer, '_');
5697 p = p ? p + 1 : buffer;
5698 if (strcmp (p, "width") == 0)
5699 *width = value;
5700 else if (strcmp (p, "height") == 0)
5701 *height = value;
5702 }
5703 expect (XBM_TK_NUMBER);
5704 }
5705
5706 if (*width < 0 || *height < 0)
5707 goto failure;
5708
5709 /* Parse bits. Must start with `static'. */
5710 expect_ident ("static");
5711 if (LA1 == XBM_TK_IDENT)
5712 {
5713 if (strcmp (buffer, "unsigned") == 0)
5714 {
5715 match ();
5716 expect_ident ("char");
5717 }
5718 else if (strcmp (buffer, "short") == 0)
5719 {
5720 match ();
5721 v10 = 1;
5722 if (*width % 16 && *width % 16 < 9)
5723 padding_p = 1;
5724 }
5725 else if (strcmp (buffer, "char") == 0)
5726 match ();
5727 else
5728 goto failure;
5729 }
5730 else
5731 goto failure;
5732
5733 expect (XBM_TK_IDENT);
5734 expect ('[');
5735 expect (']');
5736 expect ('=');
5737 expect ('{');
5738
5739 bytes_per_line = (*width + 7) / 8 + padding_p;
5740 nbytes = bytes_per_line * *height;
5741 p = *data = (char *) xmalloc (nbytes);
5742
5743 if (v10)
5744 {
5745
5746 for (i = 0; i < nbytes; i += 2)
5747 {
5748 int val = value;
5749 expect (XBM_TK_NUMBER);
5750
5751 *p++ = val;
5752 if (!padding_p || ((i + 2) % bytes_per_line))
5753 *p++ = value >> 8;
5754
5755 if (LA1 == ',' || LA1 == '}')
5756 match ();
5757 else
5758 goto failure;
5759 }
5760 }
5761 else
5762 {
5763 for (i = 0; i < nbytes; ++i)
5764 {
5765 int val = value;
5766 expect (XBM_TK_NUMBER);
5767
5768 *p++ = val;
5769
5770 if (LA1 == ',' || LA1 == '}')
5771 match ();
5772 else
5773 goto failure;
5774 }
5775 }
5776
5777 fclose (fp);
5778 return 1;
5779
5780 failure:
5781
5782 fclose (fp);
5783 if (*data)
5784 {
5785 xfree (*data);
5786 *data = NULL;
5787 }
5788 return 0;
5789
5790 #undef match
5791 #undef expect
5792 #undef expect_ident
5793 }
5794
5795
5796 /* Load XBM image IMG which will be displayed on frame F from file
5797 SPECIFIED_FILE. Value is non-zero if successful. */
5798
5799 static int
5800 xbm_load_image_from_file (f, img, specified_file)
5801 struct frame *f;
5802 struct image *img;
5803 Lisp_Object specified_file;
5804 {
5805 int rc;
5806 unsigned char *data;
5807 int success_p = 0;
5808 Lisp_Object file;
5809 struct gcpro gcpro1;
5810
5811 xassert (STRINGP (specified_file));
5812 file = Qnil;
5813 GCPRO1 (file);
5814
5815 file = x_find_image_file (specified_file);
5816 if (!STRINGP (file))
5817 {
5818 image_error ("Cannot find image file `%s'", specified_file, Qnil);
5819 UNGCPRO;
5820 return 0;
5821 }
5822
5823 rc = xbm_read_bitmap_file_data (XSTRING (file)->data, &img->width,
5824 &img->height, &data);
5825 if (rc)
5826 {
5827 int depth = one_mac_display_info.n_cbits;
5828 unsigned long foreground = FRAME_FOREGROUND_PIXEL (f);
5829 unsigned long background = FRAME_BACKGROUND_PIXEL (f);
5830 Lisp_Object value;
5831
5832 xassert (img->width > 0 && img->height > 0);
5833
5834 /* Get foreground and background colors, maybe allocate colors. */
5835 value = image_spec_value (img->spec, QCforeground, NULL);
5836 if (!NILP (value))
5837 foreground = x_alloc_image_color (f, img, value, foreground);
5838
5839 value = image_spec_value (img->spec, QCbackground, NULL);
5840 if (!NILP (value))
5841 background = x_alloc_image_color (f, img, value, background);
5842
5843 #if 0 /* MAC_TODO : Port image display to Mac */
5844 BLOCK_INPUT;
5845 img->pixmap
5846 = XCreatePixmapFromBitmapData (FRAME_W32_DISPLAY (f),
5847 FRAME_W32_WINDOW (f),
5848 data,
5849 img->width, img->height,
5850 foreground, background,
5851 depth);
5852 xfree (data);
5853
5854 if (img->pixmap == 0)
5855 {
5856 x_clear_image (f, img);
5857 image_error ("Unable to create X pixmap for `%s'", file, Qnil);
5858 }
5859 else
5860 success_p = 1;
5861
5862 UNBLOCK_INPUT;
5863 #endif
5864 }
5865 else
5866 image_error ("Error loading XBM image `%s'", img->spec, Qnil);
5867
5868 UNGCPRO;
5869 return success_p;
5870 }
5871
5872
5873 /* Fill image IMG which is used on frame F with pixmap data. Value is
5874 non-zero if successful. */
5875
5876 static int
5877 xbm_load (f, img)
5878 struct frame *f;
5879 struct image *img;
5880 {
5881 int success_p = 0;
5882 Lisp_Object file_name;
5883
5884 xassert (xbm_image_p (img->spec));
5885
5886 /* If IMG->spec specifies a file name, create a non-file spec from it. */
5887 file_name = image_spec_value (img->spec, QCfile, NULL);
5888 if (STRINGP (file_name))
5889 success_p = xbm_load_image_from_file (f, img, file_name);
5890 else
5891 {
5892 struct image_keyword fmt[XBM_LAST];
5893 Lisp_Object data;
5894 int depth;
5895 unsigned long foreground = FRAME_FOREGROUND_PIXEL (f);
5896 unsigned long background = FRAME_BACKGROUND_PIXEL (f);
5897 char *bits;
5898 int parsed_p;
5899
5900 /* Parse the list specification. */
5901 bcopy (xbm_format, fmt, sizeof fmt);
5902 parsed_p = parse_image_spec (img->spec, fmt, XBM_LAST, Qxbm);
5903 xassert (parsed_p);
5904
5905 /* Get specified width, and height. */
5906 img->width = XFASTINT (fmt[XBM_WIDTH].value);
5907 img->height = XFASTINT (fmt[XBM_HEIGHT].value);
5908 xassert (img->width > 0 && img->height > 0);
5909
5910 BLOCK_INPUT;
5911
5912 if (fmt[XBM_ASCENT].count)
5913 img->ascent = XFASTINT (fmt[XBM_ASCENT].value);
5914
5915 /* Get foreground and background colors, maybe allocate colors. */
5916 if (fmt[XBM_FOREGROUND].count)
5917 foreground = x_alloc_image_color (f, img, fmt[XBM_FOREGROUND].value,
5918 foreground);
5919 if (fmt[XBM_BACKGROUND].count)
5920 background = x_alloc_image_color (f, img, fmt[XBM_BACKGROUND].value,
5921 background);
5922
5923 /* Set bits to the bitmap image data. */
5924 data = fmt[XBM_DATA].value;
5925 if (VECTORP (data))
5926 {
5927 int i;
5928 char *p;
5929 int nbytes = (img->width + BITS_PER_CHAR - 1) / BITS_PER_CHAR;
5930
5931 p = bits = (char *) alloca (nbytes * img->height);
5932 for (i = 0; i < img->height; ++i, p += nbytes)
5933 {
5934 Lisp_Object line = XVECTOR (data)->contents[i];
5935 if (STRINGP (line))
5936 bcopy (XSTRING (line)->data, p, nbytes);
5937 else
5938 bcopy (XBOOL_VECTOR (line)->data, p, nbytes);
5939 }
5940 }
5941 else if (STRINGP (data))
5942 bits = XSTRING (data)->data;
5943 else
5944 bits = XBOOL_VECTOR (data)->data;
5945
5946 #if 0 /* MAC_TODO : port Mac display code */
5947 /* Create the pixmap. */
5948 depth = DefaultDepthOfScreen (FRAME_X_SCREEN (f));
5949 img->pixmap
5950 = XCreatePixmapFromBitmapData (FRAME_W32_DISPLAY (f),
5951 FRAME_W32_WINDOW (f),
5952 bits,
5953 img->width, img->height,
5954 foreground, background,
5955 depth);
5956 #endif /* MAC_TODO */
5957
5958 if (img->pixmap)
5959 success_p = 1;
5960 else
5961 {
5962 image_error ("Unable to create pixmap for XBM image `%s'",
5963 img->spec, Qnil);
5964 x_clear_image (f, img);
5965 }
5966
5967 UNBLOCK_INPUT;
5968 }
5969
5970 return success_p;
5971 }
5972
5973
5974 \f
5975 /***********************************************************************
5976 XPM images
5977 ***********************************************************************/
5978
5979 #if HAVE_XPM
5980
5981 static int xpm_image_p P_ ((Lisp_Object object));
5982 static int xpm_load P_ ((struct frame *f, struct image *img));
5983 static int xpm_valid_color_symbols_p P_ ((Lisp_Object));
5984
5985 #include "X11/xpm.h"
5986
5987 /* The symbol `xpm' identifying XPM-format images. */
5988
5989 Lisp_Object Qxpm;
5990
5991 /* Indices of image specification fields in xpm_format, below. */
5992
5993 enum xpm_keyword_index
5994 {
5995 XPM_TYPE,
5996 XPM_FILE,
5997 XPM_DATA,
5998 XPM_ASCENT,
5999 XPM_MARGIN,
6000 XPM_RELIEF,
6001 XPM_ALGORITHM,
6002 XPM_HEURISTIC_MASK,
6003 XPM_COLOR_SYMBOLS,
6004 XPM_LAST
6005 };
6006
6007 /* Vector of image_keyword structures describing the format
6008 of valid XPM image specifications. */
6009
6010 static struct image_keyword xpm_format[XPM_LAST] =
6011 {
6012 {":type", IMAGE_SYMBOL_VALUE, 1},
6013 {":file", IMAGE_STRING_VALUE, 0},
6014 {":data", IMAGE_STRING_VALUE, 0},
6015 {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0},
6016 {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0},
6017 {":relief", IMAGE_INTEGER_VALUE, 0},
6018 {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
6019 {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
6020 {":color-symbols", IMAGE_DONT_CHECK_VALUE_TYPE, 0}
6021 };
6022
6023 /* Structure describing the image type XBM. */
6024
6025 static struct image_type xpm_type =
6026 {
6027 &Qxpm,
6028 xpm_image_p,
6029 xpm_load,
6030 x_clear_image,
6031 NULL
6032 };
6033
6034
6035 /* Value is non-zero if COLOR_SYMBOLS is a valid color symbols list
6036 for XPM images. Such a list must consist of conses whose car and
6037 cdr are strings. */
6038
6039 static int
6040 xpm_valid_color_symbols_p (color_symbols)
6041 Lisp_Object color_symbols;
6042 {
6043 while (CONSP (color_symbols))
6044 {
6045 Lisp_Object sym = XCAR (color_symbols);
6046 if (!CONSP (sym)
6047 || !STRINGP (XCAR (sym))
6048 || !STRINGP (XCDR (sym)))
6049 break;
6050 color_symbols = XCDR (color_symbols);
6051 }
6052
6053 return NILP (color_symbols);
6054 }
6055
6056
6057 /* Value is non-zero if OBJECT is a valid XPM image specification. */
6058
6059 static int
6060 xpm_image_p (object)
6061 Lisp_Object object;
6062 {
6063 struct image_keyword fmt[XPM_LAST];
6064 bcopy (xpm_format, fmt, sizeof fmt);
6065 return (parse_image_spec (object, fmt, XPM_LAST, Qxpm)
6066 /* Either `:file' or `:data' must be present. */
6067 && fmt[XPM_FILE].count + fmt[XPM_DATA].count == 1
6068 /* Either no `:color-symbols' or it's a list of conses
6069 whose car and cdr are strings. */
6070 && (fmt[XPM_COLOR_SYMBOLS].count == 0
6071 || xpm_valid_color_symbols_p (fmt[XPM_COLOR_SYMBOLS].value))
6072 && (fmt[XPM_ASCENT].count == 0
6073 || XFASTINT (fmt[XPM_ASCENT].value) < 100));
6074 }
6075
6076
6077 /* Load image IMG which will be displayed on frame F. Value is
6078 non-zero if successful. */
6079
6080 static int
6081 xpm_load (f, img)
6082 struct frame *f;
6083 struct image *img;
6084 {
6085 int rc, i;
6086 XpmAttributes attrs;
6087 Lisp_Object specified_file, color_symbols;
6088
6089 /* Configure the XPM lib. Use the visual of frame F. Allocate
6090 close colors. Return colors allocated. */
6091 bzero (&attrs, sizeof attrs);
6092 attrs.visual = FRAME_X_VISUAL (f);
6093 attrs.colormap = FRAME_X_COLORMAP (f);
6094 attrs.valuemask |= XpmVisual;
6095 attrs.valuemask |= XpmColormap;
6096 attrs.valuemask |= XpmReturnAllocPixels;
6097 #ifdef XpmAllocCloseColors
6098 attrs.alloc_close_colors = 1;
6099 attrs.valuemask |= XpmAllocCloseColors;
6100 #else
6101 attrs.closeness = 600;
6102 attrs.valuemask |= XpmCloseness;
6103 #endif
6104
6105 /* If image specification contains symbolic color definitions, add
6106 these to `attrs'. */
6107 color_symbols = image_spec_value (img->spec, QCcolor_symbols, NULL);
6108 if (CONSP (color_symbols))
6109 {
6110 Lisp_Object tail;
6111 XpmColorSymbol *xpm_syms;
6112 int i, size;
6113
6114 attrs.valuemask |= XpmColorSymbols;
6115
6116 /* Count number of symbols. */
6117 attrs.numsymbols = 0;
6118 for (tail = color_symbols; CONSP (tail); tail = XCDR (tail))
6119 ++attrs.numsymbols;
6120
6121 /* Allocate an XpmColorSymbol array. */
6122 size = attrs.numsymbols * sizeof *xpm_syms;
6123 xpm_syms = (XpmColorSymbol *) alloca (size);
6124 bzero (xpm_syms, size);
6125 attrs.colorsymbols = xpm_syms;
6126
6127 /* Fill the color symbol array. */
6128 for (tail = color_symbols, i = 0;
6129 CONSP (tail);
6130 ++i, tail = XCDR (tail))
6131 {
6132 Lisp_Object name = XCAR (XCAR (tail));
6133 Lisp_Object color = XCDR (XCAR (tail));
6134 xpm_syms[i].name = (char *) alloca (XSTRING (name)->size + 1);
6135 strcpy (xpm_syms[i].name, XSTRING (name)->data);
6136 xpm_syms[i].value = (char *) alloca (XSTRING (color)->size + 1);
6137 strcpy (xpm_syms[i].value, XSTRING (color)->data);
6138 }
6139 }
6140
6141 /* Create a pixmap for the image, either from a file, or from a
6142 string buffer containing data in the same format as an XPM file. */
6143 BLOCK_INPUT;
6144 specified_file = image_spec_value (img->spec, QCfile, NULL);
6145 if (STRINGP (specified_file))
6146 {
6147 Lisp_Object file = x_find_image_file (specified_file);
6148 if (!STRINGP (file))
6149 {
6150 image_error ("Cannot find image file `%s'", specified_file, Qnil);
6151 UNBLOCK_INPUT;
6152 return 0;
6153 }
6154
6155 rc = XpmReadFileToPixmap (NULL, FRAME_W32_WINDOW (f),
6156 XSTRING (file)->data, &img->pixmap, &img->mask,
6157 &attrs);
6158 }
6159 else
6160 {
6161 Lisp_Object buffer = image_spec_value (img->spec, QCdata, NULL);
6162 rc = XpmCreatePixmapFromBuffer (NULL, FRAME_W32_WINDOW (f),
6163 XSTRING (buffer)->data,
6164 &img->pixmap, &img->mask,
6165 &attrs);
6166 }
6167 UNBLOCK_INPUT;
6168
6169 if (rc == XpmSuccess)
6170 {
6171 /* Remember allocated colors. */
6172 img->ncolors = attrs.nalloc_pixels;
6173 img->colors = (unsigned long *) xmalloc (img->ncolors
6174 * sizeof *img->colors);
6175 for (i = 0; i < attrs.nalloc_pixels; ++i)
6176 img->colors[i] = attrs.alloc_pixels[i];
6177
6178 img->width = attrs.width;
6179 img->height = attrs.height;
6180 xassert (img->width > 0 && img->height > 0);
6181
6182 /* The call to XpmFreeAttributes below frees attrs.alloc_pixels. */
6183 BLOCK_INPUT;
6184 XpmFreeAttributes (&attrs);
6185 UNBLOCK_INPUT;
6186 }
6187 else
6188 {
6189 switch (rc)
6190 {
6191 case XpmOpenFailed:
6192 image_error ("Error opening XPM file (%s)", img->spec, Qnil);
6193 break;
6194
6195 case XpmFileInvalid:
6196 image_error ("Invalid XPM file (%s)", img->spec, Qnil);
6197 break;
6198
6199 case XpmNoMemory:
6200 image_error ("Out of memory (%s)", img->spec, Qnil);
6201 break;
6202
6203 case XpmColorFailed:
6204 image_error ("Color allocation error (%s)", img->spec, Qnil);
6205 break;
6206
6207 default:
6208 image_error ("Unknown error (%s)", img->spec, Qnil);
6209 break;
6210 }
6211 }
6212
6213 return rc == XpmSuccess;
6214 }
6215
6216 #endif /* HAVE_XPM != 0 */
6217
6218 \f
6219 #if 0 /* MAC_TODO : Color tables on Mac. */
6220 /***********************************************************************
6221 Color table
6222 ***********************************************************************/
6223
6224 /* An entry in the color table mapping an RGB color to a pixel color. */
6225
6226 struct ct_color
6227 {
6228 int r, g, b;
6229 unsigned long pixel;
6230
6231 /* Next in color table collision list. */
6232 struct ct_color *next;
6233 };
6234
6235 /* The bucket vector size to use. Must be prime. */
6236
6237 #define CT_SIZE 101
6238
6239 /* Value is a hash of the RGB color given by R, G, and B. */
6240
6241 #define CT_HASH_RGB(R, G, B) (((R) << 16) ^ ((G) << 8) ^ (B))
6242
6243 /* The color hash table. */
6244
6245 struct ct_color **ct_table;
6246
6247 /* Number of entries in the color table. */
6248
6249 int ct_colors_allocated;
6250
6251 /* Function prototypes. */
6252
6253 static void init_color_table P_ ((void));
6254 static void free_color_table P_ ((void));
6255 static unsigned long *colors_in_color_table P_ ((int *n));
6256 static unsigned long lookup_rgb_color P_ ((struct frame *f, int r, int g, int b));
6257 static unsigned long lookup_pixel_color P_ ((struct frame *f, unsigned long p));
6258
6259
6260 /* Initialize the color table. */
6261
6262 static void
6263 init_color_table ()
6264 {
6265 int size = CT_SIZE * sizeof (*ct_table);
6266 ct_table = (struct ct_color **) xmalloc (size);
6267 bzero (ct_table, size);
6268 ct_colors_allocated = 0;
6269 }
6270
6271
6272 /* Free memory associated with the color table. */
6273
6274 static void
6275 free_color_table ()
6276 {
6277 int i;
6278 struct ct_color *p, *next;
6279
6280 for (i = 0; i < CT_SIZE; ++i)
6281 for (p = ct_table[i]; p; p = next)
6282 {
6283 next = p->next;
6284 xfree (p);
6285 }
6286
6287 xfree (ct_table);
6288 ct_table = NULL;
6289 }
6290
6291
6292 /* Value is a pixel color for RGB color R, G, B on frame F. If an
6293 entry for that color already is in the color table, return the
6294 pixel color of that entry. Otherwise, allocate a new color for R,
6295 G, B, and make an entry in the color table. */
6296
6297 static unsigned long
6298 lookup_rgb_color (f, r, g, b)
6299 struct frame *f;
6300 int r, g, b;
6301 {
6302 unsigned hash = CT_HASH_RGB (r, g, b);
6303 int i = hash % CT_SIZE;
6304 struct ct_color *p;
6305
6306 for (p = ct_table[i]; p; p = p->next)
6307 if (p->r == r && p->g == g && p->b == b)
6308 break;
6309
6310 if (p == NULL)
6311 {
6312 COLORREF color;
6313 Colormap cmap;
6314 int rc;
6315
6316 color = RGB_TO_ULONG (r, g, b);
6317
6318 ++ct_colors_allocated;
6319
6320 p = (struct ct_color *) xmalloc (sizeof *p);
6321 p->r = r;
6322 p->g = g;
6323 p->b = b;
6324 p->pixel = color;
6325 p->next = ct_table[i];
6326 ct_table[i] = p;
6327 }
6328
6329 return p->pixel;
6330 }
6331
6332
6333 /* Look up pixel color PIXEL which is used on frame F in the color
6334 table. If not already present, allocate it. Value is PIXEL. */
6335
6336 static unsigned long
6337 lookup_pixel_color (f, pixel)
6338 struct frame *f;
6339 unsigned long pixel;
6340 {
6341 int i = pixel % CT_SIZE;
6342 struct ct_color *p;
6343
6344 for (p = ct_table[i]; p; p = p->next)
6345 if (p->pixel == pixel)
6346 break;
6347
6348 if (p == NULL)
6349 {
6350 XColor color;
6351 Colormap cmap;
6352 int rc;
6353
6354 BLOCK_INPUT;
6355
6356 cmap = DefaultColormapOfScreen (FRAME_X_SCREEN (f));
6357 color.pixel = pixel;
6358 XQueryColor (NULL, cmap, &color);
6359 rc = x_alloc_nearest_color (f, cmap, &color);
6360 UNBLOCK_INPUT;
6361
6362 if (rc)
6363 {
6364 ++ct_colors_allocated;
6365
6366 p = (struct ct_color *) xmalloc (sizeof *p);
6367 p->r = color.red;
6368 p->g = color.green;
6369 p->b = color.blue;
6370 p->pixel = pixel;
6371 p->next = ct_table[i];
6372 ct_table[i] = p;
6373 }
6374 else
6375 return FRAME_FOREGROUND_PIXEL (f);
6376 }
6377 return p->pixel;
6378 }
6379
6380
6381 /* Value is a vector of all pixel colors contained in the color table,
6382 allocated via xmalloc. Set *N to the number of colors. */
6383
6384 static unsigned long *
6385 colors_in_color_table (n)
6386 int *n;
6387 {
6388 int i, j;
6389 struct ct_color *p;
6390 unsigned long *colors;
6391
6392 if (ct_colors_allocated == 0)
6393 {
6394 *n = 0;
6395 colors = NULL;
6396 }
6397 else
6398 {
6399 colors = (unsigned long *) xmalloc (ct_colors_allocated
6400 * sizeof *colors);
6401 *n = ct_colors_allocated;
6402
6403 for (i = j = 0; i < CT_SIZE; ++i)
6404 for (p = ct_table[i]; p; p = p->next)
6405 colors[j++] = p->pixel;
6406 }
6407
6408 return colors;
6409 }
6410
6411 #endif /* MAC_TODO */
6412
6413 \f
6414 /***********************************************************************
6415 Algorithms
6416 ***********************************************************************/
6417
6418 #if 0 /* MAC_TODO : Mac versions of low level algorithms */
6419 static void x_laplace_write_row P_ ((struct frame *, long *,
6420 int, XImage *, int));
6421 static void x_laplace_read_row P_ ((struct frame *, Colormap,
6422 XColor *, int, XImage *, int));
6423
6424
6425 /* Fill COLORS with RGB colors from row Y of image XIMG. F is the
6426 frame we operate on, CMAP is the color-map in effect, and WIDTH is
6427 the width of one row in the image. */
6428
6429 static void
6430 x_laplace_read_row (f, cmap, colors, width, ximg, y)
6431 struct frame *f;
6432 Colormap cmap;
6433 XColor *colors;
6434 int width;
6435 XImage *ximg;
6436 int y;
6437 {
6438 int x;
6439
6440 for (x = 0; x < width; ++x)
6441 colors[x].pixel = XGetPixel (ximg, x, y);
6442
6443 XQueryColors (NULL, cmap, colors, width);
6444 }
6445
6446
6447 /* Write row Y of image XIMG. PIXELS is an array of WIDTH longs
6448 containing the pixel colors to write. F is the frame we are
6449 working on. */
6450
6451 static void
6452 x_laplace_write_row (f, pixels, width, ximg, y)
6453 struct frame *f;
6454 long *pixels;
6455 int width;
6456 XImage *ximg;
6457 int y;
6458 {
6459 int x;
6460
6461 for (x = 0; x < width; ++x)
6462 XPutPixel (ximg, x, y, pixels[x]);
6463 }
6464 #endif
6465
6466 /* Transform image IMG which is used on frame F with a Laplace
6467 edge-detection algorithm. The result is an image that can be used
6468 to draw disabled buttons, for example. */
6469
6470 static void
6471 x_laplace (f, img)
6472 struct frame *f;
6473 struct image *img;
6474 {
6475 #if 0 /* MAC_TODO : Mac version */
6476 Colormap cmap = DefaultColormapOfScreen (FRAME_X_SCREEN (f));
6477 XImage *ximg, *oimg;
6478 XColor *in[3];
6479 long *out;
6480 Pixmap pixmap;
6481 int x, y, i;
6482 long pixel;
6483 int in_y, out_y, rc;
6484 int mv2 = 45000;
6485
6486 BLOCK_INPUT;
6487
6488 /* Get the X image IMG->pixmap. */
6489 ximg = XGetImage (NULL, img->pixmap,
6490 0, 0, img->width, img->height, ~0, ZPixmap);
6491
6492 /* Allocate 3 input rows, and one output row of colors. */
6493 for (i = 0; i < 3; ++i)
6494 in[i] = (XColor *) alloca (img->width * sizeof (XColor));
6495 out = (long *) alloca (img->width * sizeof (long));
6496
6497 /* Create an X image for output. */
6498 rc = x_create_x_image_and_pixmap (f, img->width, img->height, 0,
6499 &oimg, &pixmap);
6500
6501 /* Fill first two rows. */
6502 x_laplace_read_row (f, cmap, in[0], img->width, ximg, 0);
6503 x_laplace_read_row (f, cmap, in[1], img->width, ximg, 1);
6504 in_y = 2;
6505
6506 /* Write first row, all zeros. */
6507 init_color_table ();
6508 pixel = lookup_rgb_color (f, 0, 0, 0);
6509 for (x = 0; x < img->width; ++x)
6510 out[x] = pixel;
6511 x_laplace_write_row (f, out, img->width, oimg, 0);
6512 out_y = 1;
6513
6514 for (y = 2; y < img->height; ++y)
6515 {
6516 int rowa = y % 3;
6517 int rowb = (y + 2) % 3;
6518
6519 x_laplace_read_row (f, cmap, in[rowa], img->width, ximg, in_y++);
6520
6521 for (x = 0; x < img->width - 2; ++x)
6522 {
6523 int r = in[rowa][x].red + mv2 - in[rowb][x + 2].red;
6524 int g = in[rowa][x].green + mv2 - in[rowb][x + 2].green;
6525 int b = in[rowa][x].blue + mv2 - in[rowb][x + 2].blue;
6526
6527 out[x + 1] = lookup_rgb_color (f, r & 0xffff, g & 0xffff,
6528 b & 0xffff);
6529 }
6530
6531 x_laplace_write_row (f, out, img->width, oimg, out_y++);
6532 }
6533
6534 /* Write last line, all zeros. */
6535 for (x = 0; x < img->width; ++x)
6536 out[x] = pixel;
6537 x_laplace_write_row (f, out, img->width, oimg, out_y);
6538
6539 /* Free the input image, and free resources of IMG. */
6540 XDestroyImage (ximg);
6541 x_clear_image (f, img);
6542
6543 /* Put the output image into pixmap, and destroy it. */
6544 x_put_x_image (f, oimg, pixmap, img->width, img->height);
6545 x_destroy_x_image (oimg);
6546
6547 /* Remember new pixmap and colors in IMG. */
6548 img->pixmap = pixmap;
6549 img->colors = colors_in_color_table (&img->ncolors);
6550 free_color_table ();
6551
6552 UNBLOCK_INPUT;
6553 #endif /* MAC_TODO */
6554 }
6555
6556
6557 /* Build a mask for image IMG which is used on frame F. FILE is the
6558 name of an image file, for error messages. HOW determines how to
6559 determine the background color of IMG. If it is a list '(R G B)',
6560 with R, G, and B being integers >= 0, take that as the color of the
6561 background. Otherwise, determine the background color of IMG
6562 heuristically. Value is non-zero if successful. */
6563
6564 static int
6565 x_build_heuristic_mask (f, img, how)
6566 struct frame *f;
6567 struct image *img;
6568 Lisp_Object how;
6569 {
6570 #if 0 /* MAC_TODO : Mac version */
6571 Display *dpy = FRAME_W32_DISPLAY (f);
6572 XImage *ximg, *mask_img;
6573 int x, y, rc, look_at_corners_p;
6574 unsigned long bg;
6575
6576 BLOCK_INPUT;
6577
6578 /* Create an image and pixmap serving as mask. */
6579 rc = x_create_x_image_and_pixmap (f, img->width, img->height, 1,
6580 &mask_img, &img->mask);
6581 if (!rc)
6582 {
6583 UNBLOCK_INPUT;
6584 return 0;
6585 }
6586
6587 /* Get the X image of IMG->pixmap. */
6588 ximg = XGetImage (dpy, img->pixmap, 0, 0, img->width, img->height,
6589 ~0, ZPixmap);
6590
6591 /* Determine the background color of ximg. If HOW is `(R G B)'
6592 take that as color. Otherwise, try to determine the color
6593 heuristically. */
6594 look_at_corners_p = 1;
6595
6596 if (CONSP (how))
6597 {
6598 int rgb[3], i = 0;
6599
6600 while (i < 3
6601 && CONSP (how)
6602 && NATNUMP (XCAR (how)))
6603 {
6604 rgb[i] = XFASTINT (XCAR (how)) & 0xffff;
6605 how = XCDR (how);
6606 }
6607
6608 if (i == 3 && NILP (how))
6609 {
6610 char color_name[30];
6611 XColor exact, color;
6612 Colormap cmap;
6613
6614 sprintf (color_name, "#%04x%04x%04x", rgb[0], rgb[1], rgb[2]);
6615
6616 cmap = DefaultColormapOfScreen (FRAME_X_SCREEN (f));
6617 if (XLookupColor (dpy, cmap, color_name, &exact, &color))
6618 {
6619 bg = color.pixel;
6620 look_at_corners_p = 0;
6621 }
6622 }
6623 }
6624
6625 if (look_at_corners_p)
6626 {
6627 unsigned long corners[4];
6628 int i, best_count;
6629
6630 /* Get the colors at the corners of ximg. */
6631 corners[0] = XGetPixel (ximg, 0, 0);
6632 corners[1] = XGetPixel (ximg, img->width - 1, 0);
6633 corners[2] = XGetPixel (ximg, img->width - 1, img->height - 1);
6634 corners[3] = XGetPixel (ximg, 0, img->height - 1);
6635
6636 /* Choose the most frequently found color as background. */
6637 for (i = best_count = 0; i < 4; ++i)
6638 {
6639 int j, n;
6640
6641 for (j = n = 0; j < 4; ++j)
6642 if (corners[i] == corners[j])
6643 ++n;
6644
6645 if (n > best_count)
6646 bg = corners[i], best_count = n;
6647 }
6648 }
6649
6650 /* Set all bits in mask_img to 1 whose color in ximg is different
6651 from the background color bg. */
6652 for (y = 0; y < img->height; ++y)
6653 for (x = 0; x < img->width; ++x)
6654 XPutPixel (mask_img, x, y, XGetPixel (ximg, x, y) != bg);
6655
6656 /* Put mask_img into img->mask. */
6657 x_put_x_image (f, mask_img, img->mask, img->width, img->height);
6658 x_destroy_x_image (mask_img);
6659 XDestroyImage (ximg);
6660
6661 UNBLOCK_INPUT;
6662 #endif /* MAC_TODO */
6663
6664 return 1;
6665 }
6666
6667
6668 \f
6669 /***********************************************************************
6670 PBM (mono, gray, color)
6671 ***********************************************************************/
6672 #ifdef HAVE_PBM
6673
6674 static int pbm_image_p P_ ((Lisp_Object object));
6675 static int pbm_load P_ ((struct frame *f, struct image *img));
6676 static int pbm_scan_number P_ ((unsigned char **, unsigned char *));
6677
6678 /* The symbol `pbm' identifying images of this type. */
6679
6680 Lisp_Object Qpbm;
6681
6682 /* Indices of image specification fields in gs_format, below. */
6683
6684 enum pbm_keyword_index
6685 {
6686 PBM_TYPE,
6687 PBM_FILE,
6688 PBM_DATA,
6689 PBM_ASCENT,
6690 PBM_MARGIN,
6691 PBM_RELIEF,
6692 PBM_ALGORITHM,
6693 PBM_HEURISTIC_MASK,
6694 PBM_LAST
6695 };
6696
6697 /* Vector of image_keyword structures describing the format
6698 of valid user-defined image specifications. */
6699
6700 static struct image_keyword pbm_format[PBM_LAST] =
6701 {
6702 {":type", IMAGE_SYMBOL_VALUE, 1},
6703 {":file", IMAGE_STRING_VALUE, 0},
6704 {":data", IMAGE_STRING_VALUE, 0},
6705 {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0},
6706 {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0},
6707 {":relief", IMAGE_INTEGER_VALUE, 0},
6708 {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
6709 {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}
6710 };
6711
6712 /* Structure describing the image type `pbm'. */
6713
6714 static struct image_type pbm_type =
6715 {
6716 &Qpbm,
6717 pbm_image_p,
6718 pbm_load,
6719 x_clear_image,
6720 NULL
6721 };
6722
6723
6724 /* Return non-zero if OBJECT is a valid PBM image specification. */
6725
6726 static int
6727 pbm_image_p (object)
6728 Lisp_Object object;
6729 {
6730 struct image_keyword fmt[PBM_LAST];
6731
6732 bcopy (pbm_format, fmt, sizeof fmt);
6733
6734 if (!parse_image_spec (object, fmt, PBM_LAST, Qpbm)
6735 || (fmt[PBM_ASCENT].count
6736 && XFASTINT (fmt[PBM_ASCENT].value) > 100))
6737 return 0;
6738
6739 /* Must specify either :data or :file. */
6740 return fmt[PBM_DATA].count + fmt[PBM_FILE].count == 1;
6741 }
6742
6743
6744 /* Scan a decimal number from *S and return it. Advance *S while
6745 reading the number. END is the end of the string. Value is -1 at
6746 end of input. */
6747
6748 static int
6749 pbm_scan_number (s, end)
6750 unsigned char **s, *end;
6751 {
6752 int c, val = -1;
6753
6754 while (*s < end)
6755 {
6756 /* Skip white-space. */
6757 while (*s < end && (c = *(*s)++, isspace (c)))
6758 ;
6759
6760 if (c == '#')
6761 {
6762 /* Skip comment to end of line. */
6763 while (*s < end && (c = *(*s)++, c != '\n'))
6764 ;
6765 }
6766 else if (isdigit (c))
6767 {
6768 /* Read decimal number. */
6769 val = c - '0';
6770 while (*s < end && (c = *(*s)++, isdigit (c)))
6771 val = 10 * val + c - '0';
6772 break;
6773 }
6774 else
6775 break;
6776 }
6777
6778 return val;
6779 }
6780
6781
6782 /* Read FILE into memory. Value is a pointer to a buffer allocated
6783 with xmalloc holding FILE's contents. Value is null if an error
6784 occured. *SIZE is set to the size of the file. */
6785
6786 static char *
6787 pbm_read_file (file, size)
6788 Lisp_Object file;
6789 int *size;
6790 {
6791 FILE *fp = NULL;
6792 char *buf = NULL;
6793 struct stat st;
6794
6795 if (stat (XSTRING (file)->data, &st) == 0
6796 && (fp = fopen (XSTRING (file)->data, "r")) != NULL
6797 && (buf = (char *) xmalloc (st.st_size),
6798 fread (buf, 1, st.st_size, fp) == st.st_size))
6799 {
6800 *size = st.st_size;
6801 fclose (fp);
6802 }
6803 else
6804 {
6805 if (fp)
6806 fclose (fp);
6807 if (buf)
6808 {
6809 xfree (buf);
6810 buf = NULL;
6811 }
6812 }
6813
6814 return buf;
6815 }
6816
6817
6818 /* Load PBM image IMG for use on frame F. */
6819
6820 static int
6821 pbm_load (f, img)
6822 struct frame *f;
6823 struct image *img;
6824 {
6825 int raw_p, x, y;
6826 int width, height, max_color_idx = 0;
6827 XImage *ximg;
6828 Lisp_Object file, specified_file;
6829 enum {PBM_MONO, PBM_GRAY, PBM_COLOR} type;
6830 struct gcpro gcpro1;
6831 unsigned char *contents = NULL;
6832 unsigned char *end, *p;
6833 int size;
6834
6835 specified_file = image_spec_value (img->spec, QCfile, NULL);
6836 file = Qnil;
6837 GCPRO1 (file);
6838
6839 if (STRINGP (specified_file))
6840 {
6841 file = x_find_image_file (specified_file);
6842 if (!STRINGP (file))
6843 {
6844 image_error ("Cannot find image file `%s'", specified_file, Qnil);
6845 UNGCPRO;
6846 return 0;
6847 }
6848
6849 contents = pbm_read_file (file, &size);
6850 if (contents == NULL)
6851 {
6852 image_error ("Error reading `%s'", file, Qnil);
6853 UNGCPRO;
6854 return 0;
6855 }
6856
6857 p = contents;
6858 end = contents + size;
6859 }
6860 else
6861 {
6862 Lisp_Object data;
6863 data = image_spec_value (img->spec, QCdata, NULL);
6864 p = XSTRING (data)->data;
6865 end = p + STRING_BYTES (XSTRING (data));
6866 }
6867
6868 /* Check magic number. */
6869 if (end - p < 2 || *p++ != 'P')
6870 {
6871 image_error ("Not a PBM image: `%s'", img->spec, Qnil);
6872 error:
6873 xfree (contents);
6874 UNGCPRO;
6875 return 0;
6876 }
6877
6878 switch (*p++)
6879 {
6880 case '1':
6881 raw_p = 0, type = PBM_MONO;
6882 break;
6883
6884 case '2':
6885 raw_p = 0, type = PBM_GRAY;
6886 break;
6887
6888 case '3':
6889 raw_p = 0, type = PBM_COLOR;
6890 break;
6891
6892 case '4':
6893 raw_p = 1, type = PBM_MONO;
6894 break;
6895
6896 case '5':
6897 raw_p = 1, type = PBM_GRAY;
6898 break;
6899
6900 case '6':
6901 raw_p = 1, type = PBM_COLOR;
6902 break;
6903
6904 default:
6905 image_error ("Not a PBM image: `%s'", img->spec, Qnil);
6906 goto error;
6907 }
6908
6909 /* Read width, height, maximum color-component. Characters
6910 starting with `#' up to the end of a line are ignored. */
6911 width = pbm_scan_number (&p, end);
6912 height = pbm_scan_number (&p, end);
6913
6914 if (type != PBM_MONO)
6915 {
6916 max_color_idx = pbm_scan_number (&p, end);
6917 if (raw_p && max_color_idx > 255)
6918 max_color_idx = 255;
6919 }
6920
6921 if (width < 0
6922 || height < 0
6923 || (type != PBM_MONO && max_color_idx < 0))
6924 goto error;
6925
6926 BLOCK_INPUT;
6927 if (!x_create_x_image_and_pixmap (f, width, height, 0,
6928 &ximg, &img->pixmap))
6929 {
6930 UNBLOCK_INPUT;
6931 goto error;
6932 }
6933
6934 /* Initialize the color hash table. */
6935 init_color_table ();
6936
6937 if (type == PBM_MONO)
6938 {
6939 int c = 0, g;
6940
6941 for (y = 0; y < height; ++y)
6942 for (x = 0; x < width; ++x)
6943 {
6944 if (raw_p)
6945 {
6946 if ((x & 7) == 0)
6947 c = *p++;
6948 g = c & 0x80;
6949 c <<= 1;
6950 }
6951 else
6952 g = pbm_scan_number (&p, end);
6953
6954 XPutPixel (ximg, x, y, (g
6955 ? FRAME_FOREGROUND_PIXEL (f)
6956 : FRAME_BACKGROUND_PIXEL (f)));
6957 }
6958 }
6959 else
6960 {
6961 for (y = 0; y < height; ++y)
6962 for (x = 0; x < width; ++x)
6963 {
6964 int r, g, b;
6965
6966 if (type == PBM_GRAY)
6967 r = g = b = raw_p ? *p++ : pbm_scan_number (&p, end);
6968 else if (raw_p)
6969 {
6970 r = *p++;
6971 g = *p++;
6972 b = *p++;
6973 }
6974 else
6975 {
6976 r = pbm_scan_number (&p, end);
6977 g = pbm_scan_number (&p, end);
6978 b = pbm_scan_number (&p, end);
6979 }
6980
6981 if (r < 0 || g < 0 || b < 0)
6982 {
6983 xfree (ximg->data);
6984 ximg->data = NULL;
6985 XDestroyImage (ximg);
6986 UNBLOCK_INPUT;
6987 image_error ("Invalid pixel value in image `%s'",
6988 img->spec, Qnil);
6989 goto error;
6990 }
6991
6992 /* RGB values are now in the range 0..max_color_idx.
6993 Scale this to the range 0..0xffff supported by X. */
6994 r = (double) r * 65535 / max_color_idx;
6995 g = (double) g * 65535 / max_color_idx;
6996 b = (double) b * 65535 / max_color_idx;
6997 XPutPixel (ximg, x, y, lookup_rgb_color (f, r, g, b));
6998 }
6999 }
7000
7001 /* Store in IMG->colors the colors allocated for the image, and
7002 free the color table. */
7003 img->colors = colors_in_color_table (&img->ncolors);
7004 free_color_table ();
7005
7006 /* Put the image into a pixmap. */
7007 x_put_x_image (f, ximg, img->pixmap, width, height);
7008 x_destroy_x_image (ximg);
7009 UNBLOCK_INPUT;
7010
7011 img->width = width;
7012 img->height = height;
7013
7014 UNGCPRO;
7015 xfree (contents);
7016 return 1;
7017 }
7018 #endif /* HAVE_PBM */
7019
7020 \f
7021 /***********************************************************************
7022 PNG
7023 ***********************************************************************/
7024
7025 #if HAVE_PNG
7026
7027 #include <png.h>
7028
7029 /* Function prototypes. */
7030
7031 static int png_image_p P_ ((Lisp_Object object));
7032 static int png_load P_ ((struct frame *f, struct image *img));
7033
7034 /* The symbol `png' identifying images of this type. */
7035
7036 Lisp_Object Qpng;
7037
7038 /* Indices of image specification fields in png_format, below. */
7039
7040 enum png_keyword_index
7041 {
7042 PNG_TYPE,
7043 PNG_DATA,
7044 PNG_FILE,
7045 PNG_ASCENT,
7046 PNG_MARGIN,
7047 PNG_RELIEF,
7048 PNG_ALGORITHM,
7049 PNG_HEURISTIC_MASK,
7050 PNG_LAST
7051 };
7052
7053 /* Vector of image_keyword structures describing the format
7054 of valid user-defined image specifications. */
7055
7056 static struct image_keyword png_format[PNG_LAST] =
7057 {
7058 {":type", IMAGE_SYMBOL_VALUE, 1},
7059 {":data", IMAGE_STRING_VALUE, 0},
7060 {":file", IMAGE_STRING_VALUE, 0},
7061 {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0},
7062 {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0},
7063 {":relief", IMAGE_INTEGER_VALUE, 0},
7064 {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
7065 {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}
7066 };
7067
7068 /* Structure describing the image type `png'. */
7069
7070 static struct image_type png_type =
7071 {
7072 &Qpng,
7073 png_image_p,
7074 png_load,
7075 x_clear_image,
7076 NULL
7077 };
7078
7079
7080 /* Return non-zero if OBJECT is a valid PNG image specification. */
7081
7082 static int
7083 png_image_p (object)
7084 Lisp_Object object;
7085 {
7086 struct image_keyword fmt[PNG_LAST];
7087 bcopy (png_format, fmt, sizeof fmt);
7088
7089 if (!parse_image_spec (object, fmt, PNG_LAST, Qpng)
7090 || (fmt[PNG_ASCENT].count
7091 && XFASTINT (fmt[PNG_ASCENT].value) > 100))
7092 return 0;
7093
7094 /* Must specify either the :data or :file keyword. */
7095 return fmt[PNG_FILE].count + fmt[PNG_DATA].count == 1;
7096 }
7097
7098
7099 /* Error and warning handlers installed when the PNG library
7100 is initialized. */
7101
7102 static void
7103 my_png_error (png_ptr, msg)
7104 png_struct *png_ptr;
7105 char *msg;
7106 {
7107 xassert (png_ptr != NULL);
7108 image_error ("PNG error: %s", build_string (msg), Qnil);
7109 longjmp (png_ptr->jmpbuf, 1);
7110 }
7111
7112
7113 static void
7114 my_png_warning (png_ptr, msg)
7115 png_struct *png_ptr;
7116 char *msg;
7117 {
7118 xassert (png_ptr != NULL);
7119 image_error ("PNG warning: %s", build_string (msg), Qnil);
7120 }
7121
7122 /* Memory source for PNG decoding. */
7123
7124 struct png_memory_storage
7125 {
7126 unsigned char *bytes; /* The data */
7127 size_t len; /* How big is it? */
7128 int index; /* Where are we? */
7129 };
7130
7131
7132 /* Function set as reader function when reading PNG image from memory.
7133 PNG_PTR is a pointer to the PNG control structure. Copy LENGTH
7134 bytes from the input to DATA. */
7135
7136 static void
7137 png_read_from_memory (png_ptr, data, length)
7138 png_structp png_ptr;
7139 png_bytep data;
7140 png_size_t length;
7141 {
7142 struct png_memory_storage *tbr
7143 = (struct png_memory_storage *) png_get_io_ptr (png_ptr);
7144
7145 if (length > tbr->len - tbr->index)
7146 png_error (png_ptr, "Read error");
7147
7148 bcopy (tbr->bytes + tbr->index, data, length);
7149 tbr->index = tbr->index + length;
7150 }
7151
7152 /* Load PNG image IMG for use on frame F. Value is non-zero if
7153 successful. */
7154
7155 static int
7156 png_load (f, img)
7157 struct frame *f;
7158 struct image *img;
7159 {
7160 Lisp_Object file, specified_file;
7161 Lisp_Object specified_data;
7162 int x, y, i;
7163 XImage *ximg, *mask_img = NULL;
7164 struct gcpro gcpro1;
7165 png_struct *png_ptr = NULL;
7166 png_info *info_ptr = NULL, *end_info = NULL;
7167 FILE *fp = NULL;
7168 png_byte sig[8];
7169 png_byte *pixels = NULL;
7170 png_byte **rows = NULL;
7171 png_uint_32 width, height;
7172 int bit_depth, color_type, interlace_type;
7173 png_byte channels;
7174 png_uint_32 row_bytes;
7175 int transparent_p;
7176 char *gamma_str;
7177 double screen_gamma, image_gamma;
7178 int intent;
7179 struct png_memory_storage tbr; /* Data to be read */
7180
7181 /* Find out what file to load. */
7182 specified_file = image_spec_value (img->spec, QCfile, NULL);
7183 specified_data = image_spec_value (img->spec, QCdata, NULL);
7184 file = Qnil;
7185 GCPRO1 (file);
7186
7187 if (NILP (specified_data))
7188 {
7189 file = x_find_image_file (specified_file);
7190 if (!STRINGP (file))
7191 {
7192 image_error ("Cannot find image file `%s'", specified_file, Qnil);
7193 UNGCPRO;
7194 return 0;
7195 }
7196
7197 /* Open the image file. */
7198 fp = fopen (XSTRING (file)->data, "rb");
7199 if (!fp)
7200 {
7201 image_error ("Cannot open image file `%s'", file, Qnil);
7202 UNGCPRO;
7203 fclose (fp);
7204 return 0;
7205 }
7206
7207 /* Check PNG signature. */
7208 if (fread (sig, 1, sizeof sig, fp) != sizeof sig
7209 || !png_check_sig (sig, sizeof sig))
7210 {
7211 image_error ("Not a PNG file:` %s'", file, Qnil);
7212 UNGCPRO;
7213 fclose (fp);
7214 return 0;
7215 }
7216 }
7217 else
7218 {
7219 /* Read from memory. */
7220 tbr.bytes = XSTRING (specified_data)->data;
7221 tbr.len = STRING_BYTES (XSTRING (specified_data));
7222 tbr.index = 0;
7223
7224 /* Check PNG signature. */
7225 if (tbr.len < sizeof sig
7226 || !png_check_sig (tbr.bytes, sizeof sig))
7227 {
7228 image_error ("Not a PNG image: `%s'", img->spec, Qnil);
7229 UNGCPRO;
7230 return 0;
7231 }
7232
7233 /* Need to skip past the signature. */
7234 tbr.bytes += sizeof (sig);
7235 }
7236
7237 /* Initialize read and info structs for PNG lib. */
7238 png_ptr = png_create_read_struct (PNG_LIBPNG_VER_STRING, NULL,
7239 my_png_error, my_png_warning);
7240 if (!png_ptr)
7241 {
7242 if (fp) fclose (fp);
7243 UNGCPRO;
7244 return 0;
7245 }
7246
7247 info_ptr = png_create_info_struct (png_ptr);
7248 if (!info_ptr)
7249 {
7250 png_destroy_read_struct (&png_ptr, NULL, NULL);
7251 if (fp) fclose (fp);
7252 UNGCPRO;
7253 return 0;
7254 }
7255
7256 end_info = png_create_info_struct (png_ptr);
7257 if (!end_info)
7258 {
7259 png_destroy_read_struct (&png_ptr, &info_ptr, NULL);
7260 if (fp) fclose (fp);
7261 UNGCPRO;
7262 return 0;
7263 }
7264
7265 /* Set error jump-back. We come back here when the PNG library
7266 detects an error. */
7267 if (setjmp (png_ptr->jmpbuf))
7268 {
7269 error:
7270 if (png_ptr)
7271 png_destroy_read_struct (&png_ptr, &info_ptr, &end_info);
7272 xfree (pixels);
7273 xfree (rows);
7274 if (fp) fclose (fp);
7275 UNGCPRO;
7276 return 0;
7277 }
7278
7279 /* Read image info. */
7280 if (!NILP (specified_data))
7281 png_set_read_fn (png_ptr, (void *) &tbr, png_read_from_memory);
7282 else
7283 png_init_io (png_ptr, fp);
7284
7285 png_set_sig_bytes (png_ptr, sizeof sig);
7286 png_read_info (png_ptr, info_ptr);
7287 png_get_IHDR (png_ptr, info_ptr, &width, &height, &bit_depth, &color_type,
7288 &interlace_type, NULL, NULL);
7289
7290 /* If image contains simply transparency data, we prefer to
7291 construct a clipping mask. */
7292 if (png_get_valid (png_ptr, info_ptr, PNG_INFO_tRNS))
7293 transparent_p = 1;
7294 else
7295 transparent_p = 0;
7296
7297 /* This function is easier to write if we only have to handle
7298 one data format: RGB or RGBA with 8 bits per channel. Let's
7299 transform other formats into that format. */
7300
7301 /* Strip more than 8 bits per channel. */
7302 if (bit_depth == 16)
7303 png_set_strip_16 (png_ptr);
7304
7305 /* Expand data to 24 bit RGB, or 8 bit grayscale, with alpha channel
7306 if available. */
7307 png_set_expand (png_ptr);
7308
7309 /* Convert grayscale images to RGB. */
7310 if (color_type == PNG_COLOR_TYPE_GRAY
7311 || color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
7312 png_set_gray_to_rgb (png_ptr);
7313
7314 /* The value 2.2 is a guess for PC monitors from PNG example.c. */
7315 gamma_str = getenv ("SCREEN_GAMMA");
7316 screen_gamma = gamma_str ? atof (gamma_str) : 2.2;
7317
7318 /* Tell the PNG lib to handle gamma correction for us. */
7319
7320 #if defined(PNG_READ_sRGB_SUPPORTED) || defined(PNG_WRITE_sRGB_SUPPORTED)
7321 if (png_get_sRGB (png_ptr, info_ptr, &intent))
7322 /* There is a special chunk in the image specifying the gamma. */
7323 png_set_sRGB (png_ptr, info_ptr, intent);
7324 else
7325 #endif
7326 if (png_get_gAMA (png_ptr, info_ptr, &image_gamma))
7327 /* Image contains gamma information. */
7328 png_set_gamma (png_ptr, screen_gamma, image_gamma);
7329 else
7330 /* Use a default of 0.5 for the image gamma. */
7331 png_set_gamma (png_ptr, screen_gamma, 0.5);
7332
7333 /* Handle alpha channel by combining the image with a background
7334 color. Do this only if a real alpha channel is supplied. For
7335 simple transparency, we prefer a clipping mask. */
7336 if (!transparent_p)
7337 {
7338 png_color_16 *image_background;
7339
7340 if (png_get_bKGD (png_ptr, info_ptr, &image_background))
7341 /* Image contains a background color with which to
7342 combine the image. */
7343 png_set_background (png_ptr, image_background,
7344 PNG_BACKGROUND_GAMMA_FILE, 1, 1.0);
7345 else
7346 {
7347 /* Image does not contain a background color with which
7348 to combine the image data via an alpha channel. Use
7349 the frame's background instead. */
7350 XColor color;
7351 Colormap cmap;
7352 png_color_16 frame_background;
7353
7354 BLOCK_INPUT;
7355 cmap = DefaultColormapOfScreen (FRAME_X_SCREEN (f));
7356 color.pixel = FRAME_BACKGROUND_PIXEL (f);
7357 XQueryColor (FRAME_W32_DISPLAY (f), cmap, &color);
7358 UNBLOCK_INPUT;
7359
7360 bzero (&frame_background, sizeof frame_background);
7361 frame_background.red = color.red;
7362 frame_background.green = color.green;
7363 frame_background.blue = color.blue;
7364
7365 png_set_background (png_ptr, &frame_background,
7366 PNG_BACKGROUND_GAMMA_SCREEN, 0, 1.0);
7367 }
7368 }
7369
7370 /* Update info structure. */
7371 png_read_update_info (png_ptr, info_ptr);
7372
7373 /* Get number of channels. Valid values are 1 for grayscale images
7374 and images with a palette, 2 for grayscale images with transparency
7375 information (alpha channel), 3 for RGB images, and 4 for RGB
7376 images with alpha channel, i.e. RGBA. If conversions above were
7377 sufficient we should only have 3 or 4 channels here. */
7378 channels = png_get_channels (png_ptr, info_ptr);
7379 xassert (channels == 3 || channels == 4);
7380
7381 /* Number of bytes needed for one row of the image. */
7382 row_bytes = png_get_rowbytes (png_ptr, info_ptr);
7383
7384 /* Allocate memory for the image. */
7385 pixels = (png_byte *) xmalloc (row_bytes * height * sizeof *pixels);
7386 rows = (png_byte **) xmalloc (height * sizeof *rows);
7387 for (i = 0; i < height; ++i)
7388 rows[i] = pixels + i * row_bytes;
7389
7390 /* Read the entire image. */
7391 png_read_image (png_ptr, rows);
7392 png_read_end (png_ptr, info_ptr);
7393 if (fp)
7394 {
7395 fclose (fp);
7396 fp = NULL;
7397 }
7398
7399 BLOCK_INPUT;
7400
7401 /* Create the X image and pixmap. */
7402 if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg,
7403 &img->pixmap))
7404 {
7405 UNBLOCK_INPUT;
7406 goto error;
7407 }
7408
7409 /* Create an image and pixmap serving as mask if the PNG image
7410 contains an alpha channel. */
7411 if (channels == 4
7412 && !transparent_p
7413 && !x_create_x_image_and_pixmap (f, width, height, 1,
7414 &mask_img, &img->mask))
7415 {
7416 x_destroy_x_image (ximg);
7417 XFreePixmap (FRAME_W32_DISPLAY (f), img->pixmap);
7418 img->pixmap = 0;
7419 UNBLOCK_INPUT;
7420 goto error;
7421 }
7422
7423 /* Fill the X image and mask from PNG data. */
7424 init_color_table ();
7425
7426 for (y = 0; y < height; ++y)
7427 {
7428 png_byte *p = rows[y];
7429
7430 for (x = 0; x < width; ++x)
7431 {
7432 unsigned r, g, b;
7433
7434 r = *p++ << 8;
7435 g = *p++ << 8;
7436 b = *p++ << 8;
7437 XPutPixel (ximg, x, y, lookup_rgb_color (f, r, g, b));
7438
7439 /* An alpha channel, aka mask channel, associates variable
7440 transparency with an image. Where other image formats
7441 support binary transparency---fully transparent or fully
7442 opaque---PNG allows up to 254 levels of partial transparency.
7443 The PNG library implements partial transparency by combining
7444 the image with a specified background color.
7445
7446 I'm not sure how to handle this here nicely: because the
7447 background on which the image is displayed may change, for
7448 real alpha channel support, it would be necessary to create
7449 a new image for each possible background.
7450
7451 What I'm doing now is that a mask is created if we have
7452 boolean transparency information. Otherwise I'm using
7453 the frame's background color to combine the image with. */
7454
7455 if (channels == 4)
7456 {
7457 if (mask_img)
7458 XPutPixel (mask_img, x, y, *p > 0);
7459 ++p;
7460 }
7461 }
7462 }
7463
7464 /* Remember colors allocated for this image. */
7465 img->colors = colors_in_color_table (&img->ncolors);
7466 free_color_table ();
7467
7468 /* Clean up. */
7469 png_destroy_read_struct (&png_ptr, &info_ptr, &end_info);
7470 xfree (rows);
7471 xfree (pixels);
7472
7473 img->width = width;
7474 img->height = height;
7475
7476 /* Put the image into the pixmap, then free the X image and its buffer. */
7477 x_put_x_image (f, ximg, img->pixmap, width, height);
7478 x_destroy_x_image (ximg);
7479
7480 /* Same for the mask. */
7481 if (mask_img)
7482 {
7483 x_put_x_image (f, mask_img, img->mask, img->width, img->height);
7484 x_destroy_x_image (mask_img);
7485 }
7486
7487 UNBLOCK_INPUT;
7488 UNGCPRO;
7489 return 1;
7490 }
7491
7492 #endif /* HAVE_PNG != 0 */
7493
7494
7495 \f
7496 /***********************************************************************
7497 JPEG
7498 ***********************************************************************/
7499
7500 #if HAVE_JPEG
7501
7502 /* Work around a warning about HAVE_STDLIB_H being redefined in
7503 jconfig.h. */
7504 #ifdef HAVE_STDLIB_H
7505 #define HAVE_STDLIB_H_1
7506 #undef HAVE_STDLIB_H
7507 #endif /* HAVE_STLIB_H */
7508
7509 #include <jpeglib.h>
7510 #include <jerror.h>
7511 #include <setjmp.h>
7512
7513 #ifdef HAVE_STLIB_H_1
7514 #define HAVE_STDLIB_H 1
7515 #endif
7516
7517 static int jpeg_image_p P_ ((Lisp_Object object));
7518 static int jpeg_load P_ ((struct frame *f, struct image *img));
7519
7520 /* The symbol `jpeg' identifying images of this type. */
7521
7522 Lisp_Object Qjpeg;
7523
7524 /* Indices of image specification fields in gs_format, below. */
7525
7526 enum jpeg_keyword_index
7527 {
7528 JPEG_TYPE,
7529 JPEG_DATA,
7530 JPEG_FILE,
7531 JPEG_ASCENT,
7532 JPEG_MARGIN,
7533 JPEG_RELIEF,
7534 JPEG_ALGORITHM,
7535 JPEG_HEURISTIC_MASK,
7536 JPEG_LAST
7537 };
7538
7539 /* Vector of image_keyword structures describing the format
7540 of valid user-defined image specifications. */
7541
7542 static struct image_keyword jpeg_format[JPEG_LAST] =
7543 {
7544 {":type", IMAGE_SYMBOL_VALUE, 1},
7545 {":data", IMAGE_STRING_VALUE, 0},
7546 {":file", IMAGE_STRING_VALUE, 0},
7547 {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0},
7548 {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0},
7549 {":relief", IMAGE_INTEGER_VALUE, 0},
7550 {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
7551 {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}
7552 };
7553
7554 /* Structure describing the image type `jpeg'. */
7555
7556 static struct image_type jpeg_type =
7557 {
7558 &Qjpeg,
7559 jpeg_image_p,
7560 jpeg_load,
7561 x_clear_image,
7562 NULL
7563 };
7564
7565
7566 /* Return non-zero if OBJECT is a valid JPEG image specification. */
7567
7568 static int
7569 jpeg_image_p (object)
7570 Lisp_Object object;
7571 {
7572 struct image_keyword fmt[JPEG_LAST];
7573
7574 bcopy (jpeg_format, fmt, sizeof fmt);
7575
7576 if (!parse_image_spec (object, fmt, JPEG_LAST, Qjpeg)
7577 || (fmt[JPEG_ASCENT].count
7578 && XFASTINT (fmt[JPEG_ASCENT].value) > 100))
7579 return 0;
7580
7581 /* Must specify either the :data or :file keyword. */
7582 return fmt[JPEG_FILE].count + fmt[JPEG_DATA].count == 1;
7583 }
7584
7585
7586 struct my_jpeg_error_mgr
7587 {
7588 struct jpeg_error_mgr pub;
7589 jmp_buf setjmp_buffer;
7590 };
7591
7592 static void
7593 my_error_exit (cinfo)
7594 j_common_ptr cinfo;
7595 {
7596 struct my_jpeg_error_mgr *mgr = (struct my_jpeg_error_mgr *) cinfo->err;
7597 longjmp (mgr->setjmp_buffer, 1);
7598 }
7599
7600 /* Init source method for JPEG data source manager. Called by
7601 jpeg_read_header() before any data is actually read. See
7602 libjpeg.doc from the JPEG lib distribution. */
7603
7604 static void
7605 our_init_source (cinfo)
7606 j_decompress_ptr cinfo;
7607 {
7608 }
7609
7610
7611 /* Fill input buffer method for JPEG data source manager. Called
7612 whenever more data is needed. We read the whole image in one step,
7613 so this only adds a fake end of input marker at the end. */
7614
7615 static boolean
7616 our_fill_input_buffer (cinfo)
7617 j_decompress_ptr cinfo;
7618 {
7619 /* Insert a fake EOI marker. */
7620 struct jpeg_source_mgr *src = cinfo->src;
7621 static JOCTET buffer[2];
7622
7623 buffer[0] = (JOCTET) 0xFF;
7624 buffer[1] = (JOCTET) JPEG_EOI;
7625
7626 src->next_input_byte = buffer;
7627 src->bytes_in_buffer = 2;
7628 return TRUE;
7629 }
7630
7631
7632 /* Method to skip over NUM_BYTES bytes in the image data. CINFO->src
7633 is the JPEG data source manager. */
7634
7635 static void
7636 our_skip_input_data (cinfo, num_bytes)
7637 j_decompress_ptr cinfo;
7638 long num_bytes;
7639 {
7640 struct jpeg_source_mgr *src = (struct jpeg_source_mgr *) cinfo->src;
7641
7642 if (src)
7643 {
7644 if (num_bytes > src->bytes_in_buffer)
7645 ERREXIT (cinfo, JERR_INPUT_EOF);
7646
7647 src->bytes_in_buffer -= num_bytes;
7648 src->next_input_byte += num_bytes;
7649 }
7650 }
7651
7652
7653 /* Method to terminate data source. Called by
7654 jpeg_finish_decompress() after all data has been processed. */
7655
7656 static void
7657 our_term_source (cinfo)
7658 j_decompress_ptr cinfo;
7659 {
7660 }
7661
7662
7663 /* Set up the JPEG lib for reading an image from DATA which contains
7664 LEN bytes. CINFO is the decompression info structure created for
7665 reading the image. */
7666
7667 static void
7668 jpeg_memory_src (cinfo, data, len)
7669 j_decompress_ptr cinfo;
7670 JOCTET *data;
7671 unsigned int len;
7672 {
7673 struct jpeg_source_mgr *src;
7674
7675 if (cinfo->src == NULL)
7676 {
7677 /* First time for this JPEG object? */
7678 cinfo->src = (struct jpeg_source_mgr *)
7679 (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT,
7680 sizeof (struct jpeg_source_mgr));
7681 src = (struct jpeg_source_mgr *) cinfo->src;
7682 src->next_input_byte = data;
7683 }
7684
7685 src = (struct jpeg_source_mgr *) cinfo->src;
7686 src->init_source = our_init_source;
7687 src->fill_input_buffer = our_fill_input_buffer;
7688 src->skip_input_data = our_skip_input_data;
7689 src->resync_to_restart = jpeg_resync_to_restart; /* Use default method. */
7690 src->term_source = our_term_source;
7691 src->bytes_in_buffer = len;
7692 src->next_input_byte = data;
7693 }
7694
7695
7696 /* Load image IMG for use on frame F. Patterned after example.c
7697 from the JPEG lib. */
7698
7699 static int
7700 jpeg_load (f, img)
7701 struct frame *f;
7702 struct image *img;
7703 {
7704 struct jpeg_decompress_struct cinfo;
7705 struct my_jpeg_error_mgr mgr;
7706 Lisp_Object file, specified_file;
7707 Lisp_Object specified_data;
7708 FILE *fp = NULL;
7709 JSAMPARRAY buffer;
7710 int row_stride, x, y;
7711 XImage *ximg = NULL;
7712 int rc;
7713 unsigned long *colors;
7714 int width, height;
7715 struct gcpro gcpro1;
7716
7717 /* Open the JPEG file. */
7718 specified_file = image_spec_value (img->spec, QCfile, NULL);
7719 specified_data = image_spec_value (img->spec, QCdata, NULL);
7720 file = Qnil;
7721 GCPRO1 (file);
7722
7723 if (NILP (specified_data))
7724 {
7725 file = x_find_image_file (specified_file);
7726 if (!STRINGP (file))
7727 {
7728 image_error ("Cannot find image file `%s'", specified_file, Qnil);
7729 UNGCPRO;
7730 return 0;
7731 }
7732
7733 fp = fopen (XSTRING (file)->data, "r");
7734 if (fp == NULL)
7735 {
7736 image_error ("Cannot open `%s'", file, Qnil);
7737 UNGCPRO;
7738 return 0;
7739 }
7740 }
7741
7742 /* Customize libjpeg's error handling to call my_error_exit when an
7743 error is detected. This function will perform a longjmp. */
7744 mgr.pub.error_exit = my_error_exit;
7745 cinfo.err = jpeg_std_error (&mgr.pub);
7746
7747 if ((rc = setjmp (mgr.setjmp_buffer)) != 0)
7748 {
7749 if (rc == 1)
7750 {
7751 /* Called from my_error_exit. Display a JPEG error. */
7752 char buffer[JMSG_LENGTH_MAX];
7753 cinfo.err->format_message ((j_common_ptr) &cinfo, buffer);
7754 image_error ("Error reading JPEG image `%s': %s", img->spec,
7755 build_string (buffer));
7756 }
7757
7758 /* Close the input file and destroy the JPEG object. */
7759 if (fp)
7760 fclose (fp);
7761 jpeg_destroy_decompress (&cinfo);
7762
7763 BLOCK_INPUT;
7764
7765 /* If we already have an XImage, free that. */
7766 x_destroy_x_image (ximg);
7767
7768 /* Free pixmap and colors. */
7769 x_clear_image (f, img);
7770
7771 UNBLOCK_INPUT;
7772 UNGCPRO;
7773 return 0;
7774 }
7775
7776 /* Create the JPEG decompression object. Let it read from fp.
7777 Read the JPEG image header. */
7778 jpeg_create_decompress (&cinfo);
7779
7780 if (NILP (specified_data))
7781 jpeg_stdio_src (&cinfo, fp);
7782 else
7783 jpeg_memory_src (&cinfo, XSTRING (specified_data)->data,
7784 STRING_BYTES (XSTRING (specified_data)));
7785
7786 jpeg_read_header (&cinfo, TRUE);
7787
7788 /* Customize decompression so that color quantization will be used.
7789 Start decompression. */
7790 cinfo.quantize_colors = TRUE;
7791 jpeg_start_decompress (&cinfo);
7792 width = img->width = cinfo.output_width;
7793 height = img->height = cinfo.output_height;
7794
7795 BLOCK_INPUT;
7796
7797 /* Create X image and pixmap. */
7798 if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg,
7799 &img->pixmap))
7800 {
7801 UNBLOCK_INPUT;
7802 longjmp (mgr.setjmp_buffer, 2);
7803 }
7804
7805 /* Allocate colors. When color quantization is used,
7806 cinfo.actual_number_of_colors has been set with the number of
7807 colors generated, and cinfo.colormap is a two-dimensional array
7808 of color indices in the range 0..cinfo.actual_number_of_colors.
7809 No more than 255 colors will be generated. */
7810 {
7811 int i, ir, ig, ib;
7812
7813 if (cinfo.out_color_components > 2)
7814 ir = 0, ig = 1, ib = 2;
7815 else if (cinfo.out_color_components > 1)
7816 ir = 0, ig = 1, ib = 0;
7817 else
7818 ir = 0, ig = 0, ib = 0;
7819
7820 /* Use the color table mechanism because it handles colors that
7821 cannot be allocated nicely. Such colors will be replaced with
7822 a default color, and we don't have to care about which colors
7823 can be freed safely, and which can't. */
7824 init_color_table ();
7825 colors = (unsigned long *) alloca (cinfo.actual_number_of_colors
7826 * sizeof *colors);
7827
7828 for (i = 0; i < cinfo.actual_number_of_colors; ++i)
7829 {
7830 /* Multiply RGB values with 255 because X expects RGB values
7831 in the range 0..0xffff. */
7832 int r = cinfo.colormap[ir][i] << 8;
7833 int g = cinfo.colormap[ig][i] << 8;
7834 int b = cinfo.colormap[ib][i] << 8;
7835 colors[i] = lookup_rgb_color (f, r, g, b);
7836 }
7837
7838 /* Remember those colors actually allocated. */
7839 img->colors = colors_in_color_table (&img->ncolors);
7840 free_color_table ();
7841 }
7842
7843 /* Read pixels. */
7844 row_stride = width * cinfo.output_components;
7845 buffer = cinfo.mem->alloc_sarray ((j_common_ptr) &cinfo, JPOOL_IMAGE,
7846 row_stride, 1);
7847 for (y = 0; y < height; ++y)
7848 {
7849 jpeg_read_scanlines (&cinfo, buffer, 1);
7850 for (x = 0; x < cinfo.output_width; ++x)
7851 XPutPixel (ximg, x, y, colors[buffer[0][x]]);
7852 }
7853
7854 /* Clean up. */
7855 jpeg_finish_decompress (&cinfo);
7856 jpeg_destroy_decompress (&cinfo);
7857 if (fp)
7858 fclose (fp);
7859
7860 /* Put the image into the pixmap. */
7861 x_put_x_image (f, ximg, img->pixmap, width, height);
7862 x_destroy_x_image (ximg);
7863 UNBLOCK_INPUT;
7864 UNGCPRO;
7865 return 1;
7866 }
7867
7868 #endif /* HAVE_JPEG */
7869
7870
7871 \f
7872 /***********************************************************************
7873 TIFF
7874 ***********************************************************************/
7875
7876 #if HAVE_TIFF
7877
7878 #include <tiffio.h>
7879
7880 static int tiff_image_p P_ ((Lisp_Object object));
7881 static int tiff_load P_ ((struct frame *f, struct image *img));
7882
7883 /* The symbol `tiff' identifying images of this type. */
7884
7885 Lisp_Object Qtiff;
7886
7887 /* Indices of image specification fields in tiff_format, below. */
7888
7889 enum tiff_keyword_index
7890 {
7891 TIFF_TYPE,
7892 TIFF_DATA,
7893 TIFF_FILE,
7894 TIFF_ASCENT,
7895 TIFF_MARGIN,
7896 TIFF_RELIEF,
7897 TIFF_ALGORITHM,
7898 TIFF_HEURISTIC_MASK,
7899 TIFF_LAST
7900 };
7901
7902 /* Vector of image_keyword structures describing the format
7903 of valid user-defined image specifications. */
7904
7905 static struct image_keyword tiff_format[TIFF_LAST] =
7906 {
7907 {":type", IMAGE_SYMBOL_VALUE, 1},
7908 {":data", IMAGE_STRING_VALUE, 0},
7909 {":file", IMAGE_STRING_VALUE, 0},
7910 {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0},
7911 {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0},
7912 {":relief", IMAGE_INTEGER_VALUE, 0},
7913 {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
7914 {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}
7915 };
7916
7917 /* Structure describing the image type `tiff'. */
7918
7919 static struct image_type tiff_type =
7920 {
7921 &Qtiff,
7922 tiff_image_p,
7923 tiff_load,
7924 x_clear_image,
7925 NULL
7926 };
7927
7928
7929 /* Return non-zero if OBJECT is a valid TIFF image specification. */
7930
7931 static int
7932 tiff_image_p (object)
7933 Lisp_Object object;
7934 {
7935 struct image_keyword fmt[TIFF_LAST];
7936 bcopy (tiff_format, fmt, sizeof fmt);
7937
7938 if (!parse_image_spec (object, fmt, TIFF_LAST, Qtiff)
7939 || (fmt[TIFF_ASCENT].count
7940 && XFASTINT (fmt[TIFF_ASCENT].value) > 100))
7941 return 0;
7942
7943 /* Must specify either the :data or :file keyword. */
7944 return fmt[TIFF_FILE].count + fmt[TIFF_DATA].count == 1;
7945 }
7946
7947
7948 /* Reading from a memory buffer for TIFF images Based on the PNG
7949 memory source, but we have to provide a lot of extra functions.
7950 Blah.
7951
7952 We really only need to implement read and seek, but I am not
7953 convinced that the TIFF library is smart enough not to destroy
7954 itself if we only hand it the function pointers we need to
7955 override. */
7956
7957 typedef struct
7958 {
7959 unsigned char *bytes;
7960 size_t len;
7961 int index;
7962 }
7963 tiff_memory_source;
7964
7965 static size_t
7966 tiff_read_from_memory (data, buf, size)
7967 thandle_t data;
7968 tdata_t buf;
7969 tsize_t size;
7970 {
7971 tiff_memory_source *src = (tiff_memory_source *) data;
7972
7973 if (size > src->len - src->index)
7974 return (size_t) -1;
7975 bcopy (src->bytes + src->index, buf, size);
7976 src->index += size;
7977 return size;
7978 }
7979
7980 static size_t
7981 tiff_write_from_memory (data, buf, size)
7982 thandle_t data;
7983 tdata_t buf;
7984 tsize_t size;
7985 {
7986 return (size_t) -1;
7987 }
7988
7989 static toff_t
7990 tiff_seek_in_memory (data, off, whence)
7991 thandle_t data;
7992 toff_t off;
7993 int whence;
7994 {
7995 tiff_memory_source *src = (tiff_memory_source *) data;
7996 int idx;
7997
7998 switch (whence)
7999 {
8000 case SEEK_SET: /* Go from beginning of source. */
8001 idx = off;
8002 break;
8003
8004 case SEEK_END: /* Go from end of source. */
8005 idx = src->len + off;
8006 break;
8007
8008 case SEEK_CUR: /* Go from current position. */
8009 idx = src->index + off;
8010 break;
8011
8012 default: /* Invalid `whence'. */
8013 return -1;
8014 }
8015
8016 if (idx > src->len || idx < 0)
8017 return -1;
8018
8019 src->index = idx;
8020 return src->index;
8021 }
8022
8023 static int
8024 tiff_close_memory (data)
8025 thandle_t data;
8026 {
8027 /* NOOP */
8028 return 0;
8029 }
8030
8031 static int
8032 tiff_mmap_memory (data, pbase, psize)
8033 thandle_t data;
8034 tdata_t *pbase;
8035 toff_t *psize;
8036 {
8037 /* It is already _IN_ memory. */
8038 return 0;
8039 }
8040
8041 static void
8042 tiff_unmap_memory (data, base, size)
8043 thandle_t data;
8044 tdata_t base;
8045 toff_t size;
8046 {
8047 /* We don't need to do this. */
8048 }
8049
8050 static toff_t
8051 tiff_size_of_memory (data)
8052 thandle_t data;
8053 {
8054 return ((tiff_memory_source *) data)->len;
8055 }
8056
8057 /* Load TIFF image IMG for use on frame F. Value is non-zero if
8058 successful. */
8059
8060 static int
8061 tiff_load (f, img)
8062 struct frame *f;
8063 struct image *img;
8064 {
8065 Lisp_Object file, specified_file;
8066 Lisp_Object specified_data;
8067 TIFF *tiff;
8068 int width, height, x, y;
8069 uint32 *buf;
8070 int rc;
8071 XImage *ximg;
8072 struct gcpro gcpro1;
8073 tiff_memory_source memsrc;
8074
8075 specified_file = image_spec_value (img->spec, QCfile, NULL);
8076 specified_data = image_spec_value (img->spec, QCdata, NULL);
8077 file = Qnil;
8078 GCPRO1 (file);
8079
8080 if (NILP (specified_data))
8081 {
8082 /* Read from a file */
8083 file = x_find_image_file (specified_file);
8084 if (!STRINGP (file))
8085 {
8086 image_error ("Cannot find image file `%s'", file, Qnil);
8087 UNGCPRO;
8088 return 0;
8089 }
8090
8091 /* Try to open the image file. */
8092 tiff = TIFFOpen (XSTRING (file)->data, "r");
8093 if (tiff == NULL)
8094 {
8095 image_error ("Cannot open `%s'", file, Qnil);
8096 UNGCPRO;
8097 return 0;
8098 }
8099 }
8100 else
8101 {
8102 /* Memory source! */
8103 memsrc.bytes = XSTRING (specified_data)->data;
8104 memsrc.len = STRING_BYTES (XSTRING (specified_data));
8105 memsrc.index = 0;
8106
8107 tiff = TIFFClientOpen ("memory_source", "r", &memsrc,
8108 (TIFFReadWriteProc) tiff_read_from_memory,
8109 (TIFFReadWriteProc) tiff_write_from_memory,
8110 tiff_seek_in_memory,
8111 tiff_close_memory,
8112 tiff_size_of_memory,
8113 tiff_mmap_memory,
8114 tiff_unmap_memory);
8115
8116 if (!tiff)
8117 {
8118 image_error ("Cannot open memory source for `%s'", img->spec, Qnil);
8119 UNGCPRO;
8120 return 0;
8121 }
8122 }
8123
8124 /* Get width and height of the image, and allocate a raster buffer
8125 of width x height 32-bit values. */
8126 TIFFGetField (tiff, TIFFTAG_IMAGEWIDTH, &width);
8127 TIFFGetField (tiff, TIFFTAG_IMAGELENGTH, &height);
8128 buf = (uint32 *) xmalloc (width * height * sizeof *buf);
8129
8130 rc = TIFFReadRGBAImage (tiff, width, height, buf, 0);
8131 TIFFClose (tiff);
8132 if (!rc)
8133 {
8134 image_error ("Error reading TIFF image `%s'", img->spec, Qnil);
8135 xfree (buf);
8136 UNGCPRO;
8137 return 0;
8138 }
8139
8140 BLOCK_INPUT;
8141
8142 /* Create the X image and pixmap. */
8143 if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap))
8144 {
8145 UNBLOCK_INPUT;
8146 xfree (buf);
8147 UNGCPRO;
8148 return 0;
8149 }
8150
8151 /* Initialize the color table. */
8152 init_color_table ();
8153
8154 /* Process the pixel raster. Origin is in the lower-left corner. */
8155 for (y = 0; y < height; ++y)
8156 {
8157 uint32 *row = buf + y * width;
8158
8159 for (x = 0; x < width; ++x)
8160 {
8161 uint32 abgr = row[x];
8162 int r = TIFFGetR (abgr) << 8;
8163 int g = TIFFGetG (abgr) << 8;
8164 int b = TIFFGetB (abgr) << 8;
8165 XPutPixel (ximg, x, height - 1 - y, lookup_rgb_color (f, r, g, b));
8166 }
8167 }
8168
8169 /* Remember the colors allocated for the image. Free the color table. */
8170 img->colors = colors_in_color_table (&img->ncolors);
8171 free_color_table ();
8172
8173 /* Put the image into the pixmap, then free the X image and its buffer. */
8174 x_put_x_image (f, ximg, img->pixmap, width, height);
8175 x_destroy_x_image (ximg);
8176 xfree (buf);
8177 UNBLOCK_INPUT;
8178
8179 img->width = width;
8180 img->height = height;
8181
8182 UNGCPRO;
8183 return 1;
8184 }
8185
8186 #endif /* HAVE_TIFF != 0 */
8187
8188
8189 \f
8190 /***********************************************************************
8191 GIF
8192 ***********************************************************************/
8193
8194 #if HAVE_GIF
8195
8196 #include <gif_lib.h>
8197
8198 static int gif_image_p P_ ((Lisp_Object object));
8199 static int gif_load P_ ((struct frame *f, struct image *img));
8200
8201 /* The symbol `gif' identifying images of this type. */
8202
8203 Lisp_Object Qgif;
8204
8205 /* Indices of image specification fields in gif_format, below. */
8206
8207 enum gif_keyword_index
8208 {
8209 GIF_TYPE,
8210 GIF_DATA,
8211 GIF_FILE,
8212 GIF_ASCENT,
8213 GIF_MARGIN,
8214 GIF_RELIEF,
8215 GIF_ALGORITHM,
8216 GIF_HEURISTIC_MASK,
8217 GIF_IMAGE,
8218 GIF_LAST
8219 };
8220
8221 /* Vector of image_keyword structures describing the format
8222 of valid user-defined image specifications. */
8223
8224 static struct image_keyword gif_format[GIF_LAST] =
8225 {
8226 {":type", IMAGE_SYMBOL_VALUE, 1},
8227 {":data", IMAGE_STRING_VALUE, 0},
8228 {":file", IMAGE_STRING_VALUE, 0},
8229 {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0},
8230 {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0},
8231 {":relief", IMAGE_INTEGER_VALUE, 0},
8232 {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
8233 {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
8234 {":image", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0}
8235 };
8236
8237 /* Structure describing the image type `gif'. */
8238
8239 static struct image_type gif_type =
8240 {
8241 &Qgif,
8242 gif_image_p,
8243 gif_load,
8244 x_clear_image,
8245 NULL
8246 };
8247
8248 /* Return non-zero if OBJECT is a valid GIF image specification. */
8249
8250 static int
8251 gif_image_p (object)
8252 Lisp_Object object;
8253 {
8254 struct image_keyword fmt[GIF_LAST];
8255 bcopy (gif_format, fmt, sizeof fmt);
8256
8257 if (!parse_image_spec (object, fmt, GIF_LAST, Qgif)
8258 || (fmt[GIF_ASCENT].count
8259 && XFASTINT (fmt[GIF_ASCENT].value) > 100))
8260 return 0;
8261
8262 /* Must specify either the :data or :file keyword. */
8263 return fmt[GIF_FILE].count + fmt[GIF_DATA].count == 1;
8264 }
8265
8266 /* Reading a GIF image from memory
8267 Based on the PNG memory stuff to a certain extent. */
8268
8269 typedef struct
8270 {
8271 unsigned char *bytes;
8272 size_t len;
8273 int index;
8274 }
8275 gif_memory_source;
8276
8277 /* Make the current memory source available to gif_read_from_memory.
8278 It's done this way because not all versions of libungif support
8279 a UserData field in the GifFileType structure. */
8280 static gif_memory_source *current_gif_memory_src;
8281
8282 static int
8283 gif_read_from_memory (file, buf, len)
8284 GifFileType *file;
8285 GifByteType *buf;
8286 int len;
8287 {
8288 gif_memory_source *src = current_gif_memory_src;
8289
8290 if (len > src->len - src->index)
8291 return -1;
8292
8293 bcopy (src->bytes + src->index, buf, len);
8294 src->index += len;
8295 return len;
8296 }
8297
8298
8299 /* Load GIF image IMG for use on frame F. Value is non-zero if
8300 successful. */
8301
8302 static int
8303 gif_load (f, img)
8304 struct frame *f;
8305 struct image *img;
8306 {
8307 Lisp_Object file, specified_file;
8308 Lisp_Object specified_data;
8309 int rc, width, height, x, y, i;
8310 XImage *ximg;
8311 ColorMapObject *gif_color_map;
8312 unsigned long pixel_colors[256];
8313 GifFileType *gif;
8314 struct gcpro gcpro1;
8315 Lisp_Object image;
8316 int ino, image_left, image_top, image_width, image_height;
8317 gif_memory_source memsrc;
8318 unsigned char *raster;
8319
8320 specified_file = image_spec_value (img->spec, QCfile, NULL);
8321 specified_data = image_spec_value (img->spec, QCdata, NULL);
8322 file = Qnil;
8323 GCPRO1 (file);
8324
8325 if (NILP (specified_data))
8326 {
8327 file = x_find_image_file (specified_file);
8328 if (!STRINGP (file))
8329 {
8330 image_error ("Cannot find image file `%s'", specified_file, Qnil);
8331 UNGCPRO;
8332 return 0;
8333 }
8334
8335 /* Open the GIF file. */
8336 gif = DGifOpenFileName (XSTRING (file)->data);
8337 if (gif == NULL)
8338 {
8339 image_error ("Cannot open `%s'", file, Qnil);
8340 UNGCPRO;
8341 return 0;
8342 }
8343 }
8344 else
8345 {
8346 /* Read from memory! */
8347 current_gif_memory_src = &memsrc;
8348 memsrc.bytes = XSTRING (specified_data)->data;
8349 memsrc.len = STRING_BYTES (XSTRING (specified_data));
8350 memsrc.index = 0;
8351
8352 gif = DGifOpen(&memsrc, gif_read_from_memory);
8353 if (!gif)
8354 {
8355 image_error ("Cannot open memory source `%s'", img->spec, Qnil);
8356 UNGCPRO;
8357 return 0;
8358 }
8359 }
8360
8361 /* Read entire contents. */
8362 rc = DGifSlurp (gif);
8363 if (rc == GIF_ERROR)
8364 {
8365 image_error ("Error reading `%s'", img->spec, Qnil);
8366 DGifCloseFile (gif);
8367 UNGCPRO;
8368 return 0;
8369 }
8370
8371 image = image_spec_value (img->spec, QCindex, NULL);
8372 ino = INTEGERP (image) ? XFASTINT (image) : 0;
8373 if (ino >= gif->ImageCount)
8374 {
8375 image_error ("Invalid image number `%s' in image `%s'",
8376 image, img->spec);
8377 DGifCloseFile (gif);
8378 UNGCPRO;
8379 return 0;
8380 }
8381
8382 width = img->width = gif->SWidth;
8383 height = img->height = gif->SHeight;
8384
8385 BLOCK_INPUT;
8386
8387 /* Create the X image and pixmap. */
8388 if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap))
8389 {
8390 UNBLOCK_INPUT;
8391 DGifCloseFile (gif);
8392 UNGCPRO;
8393 return 0;
8394 }
8395
8396 /* Allocate colors. */
8397 gif_color_map = gif->SavedImages[ino].ImageDesc.ColorMap;
8398 if (!gif_color_map)
8399 gif_color_map = gif->SColorMap;
8400 init_color_table ();
8401 bzero (pixel_colors, sizeof pixel_colors);
8402
8403 for (i = 0; i < gif_color_map->ColorCount; ++i)
8404 {
8405 int r = gif_color_map->Colors[i].Red << 8;
8406 int g = gif_color_map->Colors[i].Green << 8;
8407 int b = gif_color_map->Colors[i].Blue << 8;
8408 pixel_colors[i] = lookup_rgb_color (f, r, g, b);
8409 }
8410
8411 img->colors = colors_in_color_table (&img->ncolors);
8412 free_color_table ();
8413
8414 /* Clear the part of the screen image that are not covered by
8415 the image from the GIF file. Full animated GIF support
8416 requires more than can be done here (see the gif89 spec,
8417 disposal methods). Let's simply assume that the part
8418 not covered by a sub-image is in the frame's background color. */
8419 image_top = gif->SavedImages[ino].ImageDesc.Top;
8420 image_left = gif->SavedImages[ino].ImageDesc.Left;
8421 image_width = gif->SavedImages[ino].ImageDesc.Width;
8422 image_height = gif->SavedImages[ino].ImageDesc.Height;
8423
8424 for (y = 0; y < image_top; ++y)
8425 for (x = 0; x < width; ++x)
8426 XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f));
8427
8428 for (y = image_top + image_height; y < height; ++y)
8429 for (x = 0; x < width; ++x)
8430 XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f));
8431
8432 for (y = image_top; y < image_top + image_height; ++y)
8433 {
8434 for (x = 0; x < image_left; ++x)
8435 XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f));
8436 for (x = image_left + image_width; x < width; ++x)
8437 XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f));
8438 }
8439
8440 /* Read the GIF image into the X image. We use a local variable
8441 `raster' here because RasterBits below is a char *, and invites
8442 problems with bytes >= 0x80. */
8443 raster = (unsigned char *) gif->SavedImages[ino].RasterBits;
8444
8445 if (gif->SavedImages[ino].ImageDesc.Interlace)
8446 {
8447 static int interlace_start[] = {0, 4, 2, 1};
8448 static int interlace_increment[] = {8, 8, 4, 2};
8449 int pass, inc;
8450 int row = interlace_start[0];
8451
8452 pass = 0;
8453
8454 for (y = 0; y < image_height; y++)
8455 {
8456 if (row >= image_height)
8457 {
8458 row = interlace_start[++pass];
8459 while (row >= image_height)
8460 row = interlace_start[++pass];
8461 }
8462
8463 for (x = 0; x < image_width; x++)
8464 {
8465 int i = raster[(y * image_width) + x];
8466 XPutPixel (ximg, x + image_left, row + image_top,
8467 pixel_colors[i]);
8468 }
8469
8470 row += interlace_increment[pass];
8471 }
8472 }
8473 else
8474 {
8475 for (y = 0; y < image_height; ++y)
8476 for (x = 0; x < image_width; ++x)
8477 {
8478 int i = raster[y* image_width + x];
8479 XPutPixel (ximg, x + image_left, y + image_top, pixel_colors[i]);
8480 }
8481 }
8482
8483 DGifCloseFile (gif);
8484
8485 /* Put the image into the pixmap, then free the X image and its buffer. */
8486 x_put_x_image (f, ximg, img->pixmap, width, height);
8487 x_destroy_x_image (ximg);
8488 UNBLOCK_INPUT;
8489
8490 UNGCPRO;
8491 return 1;
8492 }
8493
8494 #endif /* HAVE_GIF != 0 */
8495
8496
8497 \f
8498 /***********************************************************************
8499 Ghostscript
8500 ***********************************************************************/
8501
8502 #ifdef HAVE_GHOSTSCRIPT
8503 static int gs_image_p P_ ((Lisp_Object object));
8504 static int gs_load P_ ((struct frame *f, struct image *img));
8505 static void gs_clear_image P_ ((struct frame *f, struct image *img));
8506
8507 /* The symbol `postscript' identifying images of this type. */
8508
8509 Lisp_Object Qpostscript;
8510
8511 /* Keyword symbols. */
8512
8513 Lisp_Object QCloader, QCbounding_box, QCpt_width, QCpt_height;
8514
8515 /* Indices of image specification fields in gs_format, below. */
8516
8517 enum gs_keyword_index
8518 {
8519 GS_TYPE,
8520 GS_PT_WIDTH,
8521 GS_PT_HEIGHT,
8522 GS_FILE,
8523 GS_LOADER,
8524 GS_BOUNDING_BOX,
8525 GS_ASCENT,
8526 GS_MARGIN,
8527 GS_RELIEF,
8528 GS_ALGORITHM,
8529 GS_HEURISTIC_MASK,
8530 GS_LAST
8531 };
8532
8533 /* Vector of image_keyword structures describing the format
8534 of valid user-defined image specifications. */
8535
8536 static struct image_keyword gs_format[GS_LAST] =
8537 {
8538 {":type", IMAGE_SYMBOL_VALUE, 1},
8539 {":pt-width", IMAGE_POSITIVE_INTEGER_VALUE, 1},
8540 {":pt-height", IMAGE_POSITIVE_INTEGER_VALUE, 1},
8541 {":file", IMAGE_STRING_VALUE, 1},
8542 {":loader", IMAGE_FUNCTION_VALUE, 0},
8543 {":bounding-box", IMAGE_DONT_CHECK_VALUE_TYPE, 1},
8544 {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0},
8545 {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0},
8546 {":relief", IMAGE_INTEGER_VALUE, 0},
8547 {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
8548 {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}
8549 };
8550
8551 /* Structure describing the image type `ghostscript'. */
8552
8553 static struct image_type gs_type =
8554 {
8555 &Qpostscript,
8556 gs_image_p,
8557 gs_load,
8558 gs_clear_image,
8559 NULL
8560 };
8561
8562
8563 /* Free X resources of Ghostscript image IMG which is used on frame F. */
8564
8565 static void
8566 gs_clear_image (f, img)
8567 struct frame *f;
8568 struct image *img;
8569 {
8570 /* IMG->data.ptr_val may contain a recorded colormap. */
8571 xfree (img->data.ptr_val);
8572 x_clear_image (f, img);
8573 }
8574
8575
8576 /* Return non-zero if OBJECT is a valid Ghostscript image
8577 specification. */
8578
8579 static int
8580 gs_image_p (object)
8581 Lisp_Object object;
8582 {
8583 struct image_keyword fmt[GS_LAST];
8584 Lisp_Object tem;
8585 int i;
8586
8587 bcopy (gs_format, fmt, sizeof fmt);
8588
8589 if (!parse_image_spec (object, fmt, GS_LAST, Qpostscript)
8590 || (fmt[GS_ASCENT].count
8591 && XFASTINT (fmt[GS_ASCENT].value) > 100))
8592 return 0;
8593
8594 /* Bounding box must be a list or vector containing 4 integers. */
8595 tem = fmt[GS_BOUNDING_BOX].value;
8596 if (CONSP (tem))
8597 {
8598 for (i = 0; i < 4; ++i, tem = XCDR (tem))
8599 if (!CONSP (tem) || !INTEGERP (XCAR (tem)))
8600 return 0;
8601 if (!NILP (tem))
8602 return 0;
8603 }
8604 else if (VECTORP (tem))
8605 {
8606 if (XVECTOR (tem)->size != 4)
8607 return 0;
8608 for (i = 0; i < 4; ++i)
8609 if (!INTEGERP (XVECTOR (tem)->contents[i]))
8610 return 0;
8611 }
8612 else
8613 return 0;
8614
8615 return 1;
8616 }
8617
8618
8619 /* Load Ghostscript image IMG for use on frame F. Value is non-zero
8620 if successful. */
8621
8622 static int
8623 gs_load (f, img)
8624 struct frame *f;
8625 struct image *img;
8626 {
8627 char buffer[100];
8628 Lisp_Object window_and_pixmap_id = Qnil, loader, pt_height, pt_width;
8629 struct gcpro gcpro1, gcpro2;
8630 Lisp_Object frame;
8631 double in_width, in_height;
8632 Lisp_Object pixel_colors = Qnil;
8633
8634 /* Compute pixel size of pixmap needed from the given size in the
8635 image specification. Sizes in the specification are in pt. 1 pt
8636 = 1/72 in, xdpi and ydpi are stored in the frame's X display
8637 info. */
8638 pt_width = image_spec_value (img->spec, QCpt_width, NULL);
8639 in_width = XFASTINT (pt_width) / 72.0;
8640 img->width = in_width * FRAME_W32_DISPLAY_INFO (f)->resx;
8641 pt_height = image_spec_value (img->spec, QCpt_height, NULL);
8642 in_height = XFASTINT (pt_height) / 72.0;
8643 img->height = in_height * FRAME_W32_DISPLAY_INFO (f)->resy;
8644
8645 /* Create the pixmap. */
8646 BLOCK_INPUT;
8647 xassert (img->pixmap == 0);
8648 img->pixmap = XCreatePixmap (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f),
8649 img->width, img->height,
8650 DefaultDepthOfScreen (FRAME_X_SCREEN (f)));
8651 UNBLOCK_INPUT;
8652
8653 if (!img->pixmap)
8654 {
8655 image_error ("Unable to create pixmap for `%s'", img->spec, Qnil);
8656 return 0;
8657 }
8658
8659 /* Call the loader to fill the pixmap. It returns a process object
8660 if successful. We do not record_unwind_protect here because
8661 other places in redisplay like calling window scroll functions
8662 don't either. Let the Lisp loader use `unwind-protect' instead. */
8663 GCPRO2 (window_and_pixmap_id, pixel_colors);
8664
8665 sprintf (buffer, "%lu %lu",
8666 (unsigned long) FRAME_W32_WINDOW (f),
8667 (unsigned long) img->pixmap);
8668 window_and_pixmap_id = build_string (buffer);
8669
8670 sprintf (buffer, "%lu %lu",
8671 FRAME_FOREGROUND_PIXEL (f),
8672 FRAME_BACKGROUND_PIXEL (f));
8673 pixel_colors = build_string (buffer);
8674
8675 XSETFRAME (frame, f);
8676 loader = image_spec_value (img->spec, QCloader, NULL);
8677 if (NILP (loader))
8678 loader = intern ("gs-load-image");
8679
8680 img->data.lisp_val = call6 (loader, frame, img->spec,
8681 make_number (img->width),
8682 make_number (img->height),
8683 window_and_pixmap_id,
8684 pixel_colors);
8685 UNGCPRO;
8686 return PROCESSP (img->data.lisp_val);
8687 }
8688
8689
8690 /* Kill the Ghostscript process that was started to fill PIXMAP on
8691 frame F. Called from XTread_socket when receiving an event
8692 telling Emacs that Ghostscript has finished drawing. */
8693
8694 void
8695 x_kill_gs_process (pixmap, f)
8696 Pixmap pixmap;
8697 struct frame *f;
8698 {
8699 struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
8700 int class, i;
8701 struct image *img;
8702
8703 /* Find the image containing PIXMAP. */
8704 for (i = 0; i < c->used; ++i)
8705 if (c->images[i]->pixmap == pixmap)
8706 break;
8707
8708 /* Kill the GS process. We should have found PIXMAP in the image
8709 cache and its image should contain a process object. */
8710 xassert (i < c->used);
8711 img = c->images[i];
8712 xassert (PROCESSP (img->data.lisp_val));
8713 Fkill_process (img->data.lisp_val, Qnil);
8714 img->data.lisp_val = Qnil;
8715
8716 /* On displays with a mutable colormap, figure out the colors
8717 allocated for the image by looking at the pixels of an XImage for
8718 img->pixmap. */
8719 class = FRAME_W32_DISPLAY_INFO (f)->visual->class;
8720 if (class != StaticColor && class != StaticGray && class != TrueColor)
8721 {
8722 XImage *ximg;
8723
8724 BLOCK_INPUT;
8725
8726 /* Try to get an XImage for img->pixmep. */
8727 ximg = XGetImage (FRAME_W32_DISPLAY (f), img->pixmap,
8728 0, 0, img->width, img->height, ~0, ZPixmap);
8729 if (ximg)
8730 {
8731 int x, y;
8732
8733 /* Initialize the color table. */
8734 init_color_table ();
8735
8736 /* For each pixel of the image, look its color up in the
8737 color table. After having done so, the color table will
8738 contain an entry for each color used by the image. */
8739 for (y = 0; y < img->height; ++y)
8740 for (x = 0; x < img->width; ++x)
8741 {
8742 unsigned long pixel = XGetPixel (ximg, x, y);
8743 lookup_pixel_color (f, pixel);
8744 }
8745
8746 /* Record colors in the image. Free color table and XImage. */
8747 img->colors = colors_in_color_table (&img->ncolors);
8748 free_color_table ();
8749 XDestroyImage (ximg);
8750
8751 #if 0 /* This doesn't seem to be the case. If we free the colors
8752 here, we get a BadAccess later in x_clear_image when
8753 freeing the colors. */
8754 /* We have allocated colors once, but Ghostscript has also
8755 allocated colors on behalf of us. So, to get the
8756 reference counts right, free them once. */
8757 if (img->ncolors)
8758 {
8759 Colormap cmap = DefaultColormapOfScreen (FRAME_X_SCREEN (f));
8760 XFreeColors (FRAME_W32_DISPLAY (f), cmap,
8761 img->colors, img->ncolors, 0);
8762 }
8763 #endif
8764 }
8765 else
8766 image_error ("Cannot get X image of `%s'; colors will not be freed",
8767 img->spec, Qnil);
8768
8769 UNBLOCK_INPUT;
8770 }
8771 }
8772
8773 #endif /* HAVE_GHOSTSCRIPT */
8774
8775 \f
8776 /***********************************************************************
8777 Window properties
8778 ***********************************************************************/
8779
8780 DEFUN ("x-change-window-property", Fx_change_window_property,
8781 Sx_change_window_property, 2, 3, 0,
8782 "Change window property PROP to VALUE on the X window of FRAME.\n\
8783 PROP and VALUE must be strings. FRAME nil or omitted means use the\n\
8784 selected frame. Value is VALUE.")
8785 (prop, value, frame)
8786 Lisp_Object frame, prop, value;
8787 {
8788 #if 0 /* MAC_TODO : port window properties to Mac */
8789 struct frame *f = check_x_frame (frame);
8790 Atom prop_atom;
8791
8792 CHECK_STRING (prop, 1);
8793 CHECK_STRING (value, 2);
8794
8795 BLOCK_INPUT;
8796 prop_atom = XInternAtom (FRAME_W32_DISPLAY (f), XSTRING (prop)->data, False);
8797 XChangeProperty (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f),
8798 prop_atom, XA_STRING, 8, PropModeReplace,
8799 XSTRING (value)->data, XSTRING (value)->size);
8800
8801 /* Make sure the property is set when we return. */
8802 XFlush (FRAME_W32_DISPLAY (f));
8803 UNBLOCK_INPUT;
8804
8805 #endif /* MAC_TODO */
8806
8807 return value;
8808 }
8809
8810
8811 DEFUN ("x-delete-window-property", Fx_delete_window_property,
8812 Sx_delete_window_property, 1, 2, 0,
8813 "Remove window property PROP from X window of FRAME.\n\
8814 FRAME nil or omitted means use the selected frame. Value is PROP.")
8815 (prop, frame)
8816 Lisp_Object prop, frame;
8817 {
8818 #if 0 /* MAC_TODO : port window properties to Mac */
8819
8820 struct frame *f = check_x_frame (frame);
8821 Atom prop_atom;
8822
8823 CHECK_STRING (prop, 1);
8824 BLOCK_INPUT;
8825 prop_atom = XInternAtom (FRAME_W32_DISPLAY (f), XSTRING (prop)->data, False);
8826 XDeleteProperty (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f), prop_atom);
8827
8828 /* Make sure the property is removed when we return. */
8829 XFlush (FRAME_W32_DISPLAY (f));
8830 UNBLOCK_INPUT;
8831 #endif /* MAC_TODO */
8832
8833 return prop;
8834 }
8835
8836
8837 DEFUN ("x-window-property", Fx_window_property, Sx_window_property,
8838 1, 2, 0,
8839 "Value is the value of window property PROP on FRAME.\n\
8840 If FRAME is nil or omitted, use the selected frame. Value is nil\n\
8841 if FRAME hasn't a property with name PROP or if PROP has no string\n\
8842 value.")
8843 (prop, frame)
8844 Lisp_Object prop, frame;
8845 {
8846 #if 0 /* MAC_TODO : port window properties to Mac */
8847
8848 struct frame *f = check_x_frame (frame);
8849 Atom prop_atom;
8850 int rc;
8851 Lisp_Object prop_value = Qnil;
8852 char *tmp_data = NULL;
8853 Atom actual_type;
8854 int actual_format;
8855 unsigned long actual_size, bytes_remaining;
8856
8857 CHECK_STRING (prop, 1);
8858 BLOCK_INPUT;
8859 prop_atom = XInternAtom (FRAME_W32_DISPLAY (f), XSTRING (prop)->data, False);
8860 rc = XGetWindowProperty (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f),
8861 prop_atom, 0, 0, False, XA_STRING,
8862 &actual_type, &actual_format, &actual_size,
8863 &bytes_remaining, (unsigned char **) &tmp_data);
8864 if (rc == Success)
8865 {
8866 int size = bytes_remaining;
8867
8868 XFree (tmp_data);
8869 tmp_data = NULL;
8870
8871 rc = XGetWindowProperty (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f),
8872 prop_atom, 0, bytes_remaining,
8873 False, XA_STRING,
8874 &actual_type, &actual_format,
8875 &actual_size, &bytes_remaining,
8876 (unsigned char **) &tmp_data);
8877 if (rc == Success)
8878 prop_value = make_string (tmp_data, size);
8879
8880 XFree (tmp_data);
8881 }
8882
8883 UNBLOCK_INPUT;
8884
8885 return prop_value;
8886
8887 #endif /* MAC_TODO */
8888 return Qnil;
8889 }
8890
8891
8892 \f
8893 /***********************************************************************
8894 Busy cursor
8895 ***********************************************************************/
8896
8897 /* If non-null, an asynchronous timer that, when it expires, displays
8898 an hourglass cursor on all frames. */
8899
8900 static struct atimer *hourglass_atimer;
8901
8902 /* Non-zero means an hourglass cursor is currently shown. */
8903
8904 static int hourglass_shown_p;
8905
8906 /* Number of seconds to wait before displaying an hourglass cursor. */
8907
8908 static Lisp_Object Vhourglass_delay;
8909
8910 /* Default number of seconds to wait before displaying an hourglass
8911 cursor. */
8912
8913 #define DEFAULT_HOURGLASS_DELAY 1
8914
8915 /* Function prototypes. */
8916
8917 static void show_hourglass P_ ((struct atimer *));
8918 static void hide_hourglass P_ ((void));
8919
8920
8921 /* Cancel a currently active hourglass timer, and start a new one. */
8922
8923 void
8924 start_hourglass ()
8925 {
8926 #if 0 /* TODO: cursor shape changes. */
8927 EMACS_TIME delay;
8928 int secs, usecs = 0;
8929
8930 cancel_hourglass ();
8931
8932 if (INTEGERP (Vhourglass_delay)
8933 && XINT (Vhourglass_delay) > 0)
8934 secs = XFASTINT (Vhourglass_delay);
8935 else if (FLOATP (Vhourglass_delay)
8936 && XFLOAT_DATA (Vhourglass_delay) > 0)
8937 {
8938 Lisp_Object tem;
8939 tem = Ftruncate (Vhourglass_delay, Qnil);
8940 secs = XFASTINT (tem);
8941 usecs = (XFLOAT_DATA (Vhourglass_delay) - secs) * 1000000;
8942 }
8943 else
8944 secs = DEFAULT_HOURGLASS_DELAY;
8945
8946 EMACS_SET_SECS_USECS (delay, secs, usecs);
8947 hourglass_atimer = start_atimer (ATIMER_RELATIVE, delay,
8948 show_hourglass, NULL);
8949 #endif
8950 }
8951
8952
8953 /* Cancel the hourglass cursor timer if active, hide an hourglass
8954 cursor if shown. */
8955
8956 void
8957 cancel_hourglass ()
8958 {
8959 if (hourglass_atimer)
8960 {
8961 cancel_atimer (hourglass_atimer);
8962 hourglass_atimer = NULL;
8963 }
8964
8965 if (hourglass_shown_p)
8966 hide_hourglass ();
8967 }
8968
8969
8970 /* Timer function of hourglass_atimer. TIMER is equal to
8971 hourglass_atimer.
8972
8973 Display an hourglass cursor on all frames by mapping the frames'
8974 hourglass_window. Set the hourglass_p flag in the frames'
8975 output_data.x structure to indicate that an hourglass cursor is
8976 shown on the frames. */
8977
8978 static void
8979 show_hourglass (timer)
8980 struct atimer *timer;
8981 {
8982 #if 0 /* MAC_TODO: cursor shape changes. */
8983 /* The timer implementation will cancel this timer automatically
8984 after this function has run. Set hourglass_atimer to null
8985 so that we know the timer doesn't have to be canceled. */
8986 hourglass_atimer = NULL;
8987
8988 if (!hourglass_shown_p)
8989 {
8990 Lisp_Object rest, frame;
8991
8992 BLOCK_INPUT;
8993
8994 FOR_EACH_FRAME (rest, frame)
8995 if (FRAME_W32_P (XFRAME (frame)))
8996 {
8997 struct frame *f = XFRAME (frame);
8998
8999 f->output_data.w32->hourglass_p = 1;
9000
9001 if (!f->output_data.w32->hourglass_window)
9002 {
9003 unsigned long mask = CWCursor;
9004 XSetWindowAttributes attrs;
9005
9006 attrs.cursor = f->output_data.w32->hourglass_cursor;
9007
9008 f->output_data.w32->hourglass_window
9009 = XCreateWindow (FRAME_X_DISPLAY (f),
9010 FRAME_OUTER_WINDOW (f),
9011 0, 0, 32000, 32000, 0, 0,
9012 InputOnly,
9013 CopyFromParent,
9014 mask, &attrs);
9015 }
9016
9017 XMapRaised (FRAME_X_DISPLAY (f),
9018 f->output_data.w32->hourglass_window);
9019 XFlush (FRAME_X_DISPLAY (f));
9020 }
9021
9022 hourglass_shown_p = 1;
9023 UNBLOCK_INPUT;
9024 }
9025 #endif
9026 }
9027
9028
9029 /* Hide the hourglass cursor on all frames, if it is currently shown. */
9030
9031 static void
9032 hide_hourglass ()
9033 {
9034 #if 0 /* TODO: cursor shape changes. */
9035 if (hourglass_shown_p)
9036 {
9037 Lisp_Object rest, frame;
9038
9039 BLOCK_INPUT;
9040 FOR_EACH_FRAME (rest, frame)
9041 {
9042 struct frame *f = XFRAME (frame);
9043
9044 if (FRAME_W32_P (f)
9045 /* Watch out for newly created frames. */
9046 && f->output_data.x->hourglass_window)
9047 {
9048 XUnmapWindow (FRAME_X_DISPLAY (f),
9049 f->output_data.x->hourglass_window);
9050 /* Sync here because XTread_socket looks at the
9051 hourglass_p flag that is reset to zero below. */
9052 XSync (FRAME_X_DISPLAY (f), False);
9053 f->output_data.x->hourglass_p = 0;
9054 }
9055 }
9056
9057 hourglass_shown_p = 0;
9058 UNBLOCK_INPUT;
9059 }
9060 #endif
9061 }
9062
9063
9064 \f
9065 /***********************************************************************
9066 Tool tips
9067 ***********************************************************************/
9068
9069 static Lisp_Object x_create_tip_frame P_ ((struct w32_display_info *,
9070 Lisp_Object));
9071
9072 /* The frame of a currently visible tooltip, or null. */
9073
9074 Lisp_Object tip_frame;
9075
9076 /* If non-nil, a timer started that hides the last tooltip when it
9077 fires. */
9078
9079 Lisp_Object tip_timer;
9080 Window tip_window;
9081
9082 /* Create a frame for a tooltip on the display described by DPYINFO.
9083 PARMS is a list of frame parameters. Value is the frame. */
9084
9085 static Lisp_Object
9086 x_create_tip_frame (dpyinfo, parms)
9087 struct w32_display_info *dpyinfo;
9088 Lisp_Object parms;
9089 {
9090 #if 0 /* MAC_TODO : Mac version */
9091 struct frame *f;
9092 Lisp_Object frame, tem;
9093 Lisp_Object name;
9094 long window_prompting = 0;
9095 int width, height;
9096 int count = specpdl_ptr - specpdl;
9097 struct gcpro gcpro1, gcpro2, gcpro3;
9098 struct kboard *kb;
9099
9100 check_x ();
9101
9102 /* Use this general default value to start with until we know if
9103 this frame has a specified name. */
9104 Vx_resource_name = Vinvocation_name;
9105
9106 #ifdef MULTI_KBOARD
9107 kb = dpyinfo->kboard;
9108 #else
9109 kb = &the_only_kboard;
9110 #endif
9111
9112 /* Get the name of the frame to use for resource lookup. */
9113 name = w32_get_arg (parms, Qname, "name", "Name", RES_TYPE_STRING);
9114 if (!STRINGP (name)
9115 && !EQ (name, Qunbound)
9116 && !NILP (name))
9117 error ("Invalid frame name--not a string or nil");
9118 Vx_resource_name = name;
9119
9120 frame = Qnil;
9121 GCPRO3 (parms, name, frame);
9122 tip_frame = f = make_frame (1);
9123 XSETFRAME (frame, f);
9124 FRAME_CAN_HAVE_SCROLL_BARS (f) = 0;
9125
9126 f->output_method = output_w32;
9127 f->output_data.w32 =
9128 (struct w32_output *) xmalloc (sizeof (struct w32_output));
9129 bzero (f->output_data.w32, sizeof (struct w32_output));
9130 #if 0
9131 f->output_data.w32->icon_bitmap = -1;
9132 #endif
9133 f->output_data.w32->fontset = -1;
9134 f->icon_name = Qnil;
9135
9136 #ifdef MULTI_KBOARD
9137 FRAME_KBOARD (f) = kb;
9138 #endif
9139 f->output_data.w32->parent_desc = FRAME_W32_DISPLAY_INFO (f)->root_window;
9140 f->output_data.w32->explicit_parent = 0;
9141
9142 /* Set the name; the functions to which we pass f expect the name to
9143 be set. */
9144 if (EQ (name, Qunbound) || NILP (name))
9145 {
9146 f->name = build_string (dpyinfo->x_id_name);
9147 f->explicit_name = 0;
9148 }
9149 else
9150 {
9151 f->name = name;
9152 f->explicit_name = 1;
9153 /* use the frame's title when getting resources for this frame. */
9154 specbind (Qx_resource_name, name);
9155 }
9156
9157 /* Extract the window parameters from the supplied values
9158 that are needed to determine window geometry. */
9159 {
9160 Lisp_Object font;
9161
9162 font = w32_get_arg (parms, Qfont, "font", "Font", RES_TYPE_STRING);
9163
9164 BLOCK_INPUT;
9165 /* First, try whatever font the caller has specified. */
9166 if (STRINGP (font))
9167 {
9168 tem = Fquery_fontset (font, Qnil);
9169 if (STRINGP (tem))
9170 font = x_new_fontset (f, XSTRING (tem)->data);
9171 else
9172 font = x_new_font (f, XSTRING (font)->data);
9173 }
9174
9175 /* Try out a font which we hope has bold and italic variations. */
9176 if (!STRINGP (font))
9177 font = x_new_font (f, "-adobe-courier-medium-r-*-*-*-120-*-*-*-*-iso8859-1");
9178 if (!STRINGP (font))
9179 font = x_new_font (f, "-misc-fixed-medium-r-normal-*-*-140-*-*-c-*-iso8859-1");
9180 if (! STRINGP (font))
9181 font = x_new_font (f, "-*-*-medium-r-normal-*-*-140-*-*-c-*-iso8859-1");
9182 if (! STRINGP (font))
9183 /* This was formerly the first thing tried, but it finds too many fonts
9184 and takes too long. */
9185 font = x_new_font (f, "-*-*-medium-r-*-*-*-*-*-*-c-*-iso8859-1");
9186 /* If those didn't work, look for something which will at least work. */
9187 if (! STRINGP (font))
9188 font = x_new_font (f, "-*-fixed-*-*-*-*-*-140-*-*-c-*-iso8859-1");
9189 UNBLOCK_INPUT;
9190 if (! STRINGP (font))
9191 font = build_string ("fixed");
9192
9193 x_default_parameter (f, parms, Qfont, font,
9194 "font", "Font", RES_TYPE_STRING);
9195 }
9196
9197 x_default_parameter (f, parms, Qborder_width, make_number (2),
9198 "borderWidth", "BorderWidth", RES_TYPE_NUMBER);
9199
9200 /* This defaults to 2 in order to match xterm. We recognize either
9201 internalBorderWidth or internalBorder (which is what xterm calls
9202 it). */
9203 if (NILP (Fassq (Qinternal_border_width, parms)))
9204 {
9205 Lisp_Object value;
9206
9207 value = w32_get_arg (parms, Qinternal_border_width,
9208 "internalBorder", "internalBorder", RES_TYPE_NUMBER);
9209 if (! EQ (value, Qunbound))
9210 parms = Fcons (Fcons (Qinternal_border_width, value),
9211 parms);
9212 }
9213
9214 x_default_parameter (f, parms, Qinternal_border_width, make_number (1),
9215 "internalBorderWidth", "internalBorderWidth",
9216 RES_TYPE_NUMBER);
9217
9218 /* Also do the stuff which must be set before the window exists. */
9219 x_default_parameter (f, parms, Qforeground_color, build_string ("black"),
9220 "foreground", "Foreground", RES_TYPE_STRING);
9221 x_default_parameter (f, parms, Qbackground_color, build_string ("white"),
9222 "background", "Background", RES_TYPE_STRING);
9223 x_default_parameter (f, parms, Qmouse_color, build_string ("black"),
9224 "pointerColor", "Foreground", RES_TYPE_STRING);
9225 x_default_parameter (f, parms, Qcursor_color, build_string ("black"),
9226 "cursorColor", "Foreground", RES_TYPE_STRING);
9227 x_default_parameter (f, parms, Qborder_color, build_string ("black"),
9228 "borderColor", "BorderColor", RES_TYPE_STRING);
9229
9230 /* Init faces before x_default_parameter is called for scroll-bar
9231 parameters because that function calls x_set_scroll_bar_width,
9232 which calls change_frame_size, which calls Fset_window_buffer,
9233 which runs hooks, which call Fvertical_motion. At the end, we
9234 end up in init_iterator with a null face cache, which should not
9235 happen. */
9236 init_frame_faces (f);
9237
9238 f->output_data.w32->parent_desc = FRAME_W32_DISPLAY_INFO (f)->root_window;
9239 window_prompting = x_figure_window_size (f, parms);
9240
9241 if (window_prompting & XNegative)
9242 {
9243 if (window_prompting & YNegative)
9244 f->output_data.w32->win_gravity = SouthEastGravity;
9245 else
9246 f->output_data.w32->win_gravity = NorthEastGravity;
9247 }
9248 else
9249 {
9250 if (window_prompting & YNegative)
9251 f->output_data.w32->win_gravity = SouthWestGravity;
9252 else
9253 f->output_data.w32->win_gravity = NorthWestGravity;
9254 }
9255
9256 f->output_data.w32->size_hint_flags = window_prompting;
9257 {
9258 XSetWindowAttributes attrs;
9259 unsigned long mask;
9260
9261 BLOCK_INPUT;
9262 mask = CWBackPixel | CWOverrideRedirect | CWSaveUnder | CWEventMask;
9263 /* Window managers looks at the override-redirect flag to
9264 determine whether or net to give windows a decoration (Xlib
9265 3.2.8). */
9266 attrs.override_redirect = True;
9267 attrs.save_under = True;
9268 attrs.background_pixel = FRAME_BACKGROUND_PIXEL (f);
9269 /* Arrange for getting MapNotify and UnmapNotify events. */
9270 attrs.event_mask = StructureNotifyMask;
9271 tip_window
9272 = FRAME_W32_WINDOW (f)
9273 = XCreateWindow (FRAME_W32_DISPLAY (f),
9274 FRAME_W32_DISPLAY_INFO (f)->root_window,
9275 /* x, y, width, height */
9276 0, 0, 1, 1,
9277 /* Border. */
9278 1,
9279 CopyFromParent, InputOutput, CopyFromParent,
9280 mask, &attrs);
9281 UNBLOCK_INPUT;
9282 }
9283
9284 x_make_gc (f);
9285
9286 x_default_parameter (f, parms, Qauto_raise, Qnil,
9287 "autoRaise", "AutoRaiseLower", RES_TYPE_BOOLEAN);
9288 x_default_parameter (f, parms, Qauto_lower, Qnil,
9289 "autoLower", "AutoRaiseLower", RES_TYPE_BOOLEAN);
9290 x_default_parameter (f, parms, Qcursor_type, Qbox,
9291 "cursorType", "CursorType", RES_TYPE_SYMBOL);
9292
9293 /* Dimensions, especially f->height, must be done via change_frame_size.
9294 Change will not be effected unless different from the current
9295 f->height. */
9296 width = f->width;
9297 height = f->height;
9298 f->height = 0;
9299 SET_FRAME_WIDTH (f, 0);
9300 change_frame_size (f, height, width, 1, 0, 0);
9301
9302 f->no_split = 1;
9303
9304 UNGCPRO;
9305
9306 /* It is now ok to make the frame official even if we get an error
9307 below. And the frame needs to be on Vframe_list or making it
9308 visible won't work. */
9309 Vframe_list = Fcons (frame, Vframe_list);
9310
9311 /* Now that the frame is official, it counts as a reference to
9312 its display. */
9313 FRAME_W32_DISPLAY_INFO (f)->reference_count++;
9314
9315 return unbind_to (count, frame);
9316 #endif /* MAC_TODO */
9317 return Qnil;
9318 }
9319
9320 #ifdef TODO /* Tooltip support not complete. */
9321 DEFUN ("x-show-tip", Fx_show_tip, Sx_show_tip, 1, 6, 0,
9322 "Show STRING in a \"tooltip\" window on frame FRAME.\n\
9323 A tooltip window is a small window displaying a string.\n\
9324 \n\
9325 FRAME nil or omitted means use the selected frame.\n\
9326 \n\
9327 PARMS is an optional list of frame parameters which can be\n\
9328 used to change the tooltip's appearance.\n\
9329 \n\
9330 Automatically hide the tooltip after TIMEOUT seconds.\n\
9331 TIMEOUT nil means use the default timeout of 5 seconds.\n\
9332 \n\
9333 If the list of frame parameters PARAMS contains a `left' parameters,\n\
9334 the tooltip is displayed at that x-position. Otherwise it is\n\
9335 displayed at the mouse position, with offset DX added (default is 5 if\n\
9336 DX isn't specified). Likewise for the y-position; if a `top' frame\n\
9337 parameter is specified, it determines the y-position of the tooltip\n\
9338 window, otherwise it is displayed at the mouse position, with offset\n\
9339 DY added (default is 10).")
9340 (string, frame, parms, timeout, dx, dy)
9341 Lisp_Object string, frame, parms, timeout, dx, dy;
9342 {
9343 struct frame *f;
9344 struct window *w;
9345 Window root, child;
9346 Lisp_Object buffer, top, left;
9347 struct buffer *old_buffer;
9348 struct text_pos pos;
9349 int i, width, height;
9350 int root_x, root_y, win_x, win_y;
9351 unsigned pmask;
9352 struct gcpro gcpro1, gcpro2, gcpro3, gcpro4;
9353 int old_windows_or_buffers_changed = windows_or_buffers_changed;
9354 int count = specpdl_ptr - specpdl;
9355
9356 specbind (Qinhibit_redisplay, Qt);
9357
9358 GCPRO4 (string, parms, frame, timeout);
9359
9360 CHECK_STRING (string, 0);
9361 f = check_x_frame (frame);
9362 if (NILP (timeout))
9363 timeout = make_number (5);
9364 else
9365 CHECK_NATNUM (timeout, 2);
9366
9367 if (NILP (dx))
9368 dx = make_number (5);
9369 else
9370 CHECK_NUMBER (dx, 5);
9371
9372 if (NILP (dy))
9373 dy = make_number (-10);
9374 else
9375 CHECK_NUMBER (dy, 6);
9376
9377 if (NILP (last_show_tip_args))
9378 last_show_tip_args = Fmake_vector (make_number (3), Qnil);
9379
9380 if (!NILP (tip_frame))
9381 {
9382 Lisp_Object last_string = AREF (last_show_tip_args, 0);
9383 Lisp_Object last_frame = AREF (last_show_tip_args, 1);
9384 Lisp_Object last_parms = AREF (last_show_tip_args, 2);
9385
9386 if (EQ (frame, last_frame)
9387 && !NILP (Fequal (last_string, string))
9388 && !NILP (Fequal (last_parms, parms)))
9389 {
9390 struct frame *f = XFRAME (tip_frame);
9391
9392 /* Only DX and DY have changed. */
9393 if (!NILP (tip_timer))
9394 {
9395 Lisp_Object timer = tip_timer;
9396 tip_timer = Qnil;
9397 call1 (Qcancel_timer, timer);
9398 }
9399
9400 BLOCK_INPUT;
9401 compute_tip_xy (f, parms, dx, dy, &root_x, &root_y);
9402 XMoveWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
9403 root_x, root_y - PIXEL_HEIGHT (f));
9404 UNBLOCK_INPUT;
9405 goto start_timer;
9406 }
9407 }
9408
9409 /* Hide a previous tip, if any. */
9410 Fx_hide_tip ();
9411
9412 ASET (last_show_tip_args, 0, string);
9413 ASET (last_show_tip_args, 1, frame);
9414 ASET (last_show_tip_args, 2, parms);
9415
9416 /* Add default values to frame parameters. */
9417 if (NILP (Fassq (Qname, parms)))
9418 parms = Fcons (Fcons (Qname, build_string ("tooltip")), parms);
9419 if (NILP (Fassq (Qinternal_border_width, parms)))
9420 parms = Fcons (Fcons (Qinternal_border_width, make_number (3)), parms);
9421 if (NILP (Fassq (Qborder_width, parms)))
9422 parms = Fcons (Fcons (Qborder_width, make_number (1)), parms);
9423 if (NILP (Fassq (Qborder_color, parms)))
9424 parms = Fcons (Fcons (Qborder_color, build_string ("lightyellow")), parms);
9425 if (NILP (Fassq (Qbackground_color, parms)))
9426 parms = Fcons (Fcons (Qbackground_color, build_string ("lightyellow")),
9427 parms);
9428
9429 /* Create a frame for the tooltip, and record it in the global
9430 variable tip_frame. */
9431 frame = x_create_tip_frame (FRAME_MAC_DISPLAY_INFO (f), parms);
9432 f = XFRAME (frame);
9433
9434 /* Set up the frame's root window. Currently we use a size of 80
9435 columns x 40 lines. If someone wants to show a larger tip, he
9436 will loose. I don't think this is a realistic case. */
9437 w = XWINDOW (FRAME_ROOT_WINDOW (f));
9438 w->left = w->top = make_number (0);
9439 w->width = make_number (80);
9440 w->height = make_number (40);
9441 adjust_glyphs (f);
9442 w->pseudo_window_p = 1;
9443
9444 /* Display the tooltip text in a temporary buffer. */
9445 buffer = Fget_buffer_create (build_string (" *tip*"));
9446 Fset_window_buffer (FRAME_ROOT_WINDOW (f), buffer);
9447 old_buffer = current_buffer;
9448 set_buffer_internal_1 (XBUFFER (buffer));
9449 Ferase_buffer ();
9450 Finsert (1, &string);
9451 clear_glyph_matrix (w->desired_matrix);
9452 clear_glyph_matrix (w->current_matrix);
9453 SET_TEXT_POS (pos, BEGV, BEGV_BYTE);
9454 try_window (FRAME_ROOT_WINDOW (f), pos);
9455
9456 /* Compute width and height of the tooltip. */
9457 width = height = 0;
9458 for (i = 0; i < w->desired_matrix->nrows; ++i)
9459 {
9460 struct glyph_row *row = &w->desired_matrix->rows[i];
9461 struct glyph *last;
9462 int row_width;
9463
9464 /* Stop at the first empty row at the end. */
9465 if (!row->enabled_p || !row->displays_text_p)
9466 break;
9467
9468 /* Let the row go over the full width of the frame. */
9469 row->full_width_p = 1;
9470
9471 /* There's a glyph at the end of rows that is use to place
9472 the cursor there. Don't include the width of this glyph. */
9473 if (row->used[TEXT_AREA])
9474 {
9475 last = &row->glyphs[TEXT_AREA][row->used[TEXT_AREA] - 1];
9476 row_width = row->pixel_width - last->pixel_width;
9477 }
9478 else
9479 row_width = row->pixel_width;
9480
9481 height += row->height;
9482 width = max (width, row_width);
9483 }
9484
9485 /* Add the frame's internal border to the width and height the X
9486 window should have. */
9487 height += 2 * FRAME_INTERNAL_BORDER_WIDTH (f);
9488 width += 2 * FRAME_INTERNAL_BORDER_WIDTH (f);
9489
9490 /* Move the tooltip window where the mouse pointer is. Resize and
9491 show it. */
9492 compute_tip_xy (f, parms, dx, dy, &root_x, &root_y);
9493
9494 #if 0 /* TODO : Mac specifics */
9495 BLOCK_INPUT;
9496 XMoveResizeWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
9497 root_x, root_y - height, width, height);
9498 XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f));
9499 UNBLOCK_INPUT;
9500 #endif /* TODO */
9501
9502 /* Draw into the window. */
9503 w->must_be_updated_p = 1;
9504 update_single_window (w, 1);
9505
9506 /* Restore original current buffer. */
9507 set_buffer_internal_1 (old_buffer);
9508 windows_or_buffers_changed = old_windows_or_buffers_changed;
9509
9510 start_timer:
9511 /* Let the tip disappear after timeout seconds. */
9512 tip_timer = call3 (intern ("run-at-time"), timeout, Qnil,
9513 intern ("x-hide-tip"));
9514
9515 UNGCPRO;
9516 return unbind_to (count, Qnil);
9517 }
9518
9519
9520 DEFUN ("x-hide-tip", Fx_hide_tip, Sx_hide_tip, 0, 0, 0,
9521 "Hide the current tooltip window, if there is any.\n\
9522 Value is t is tooltip was open, nil otherwise.")
9523 ()
9524 {
9525 int count;
9526 Lisp_Object deleted, frame, timer;
9527 struct gcpro gcpro1, gcpro2;
9528
9529 /* Return quickly if nothing to do. */
9530 if (NILP (tip_timer) && NILP (tip_frame))
9531 return Qnil;
9532
9533 frame = tip_frame;
9534 timer = tip_timer;
9535 GCPRO2 (frame, timer);
9536 tip_frame = tip_timer = deleted = Qnil;
9537
9538 count = BINDING_STACK_SIZE ();
9539 specbind (Qinhibit_redisplay, Qt);
9540 specbind (Qinhibit_quit, Qt);
9541
9542 if (!NILP (timer))
9543 call1 (Qcancel_timer, timer);
9544
9545 if (FRAMEP (frame))
9546 {
9547 Fdelete_frame (frame, Qnil);
9548 deleted = Qt;
9549 }
9550
9551 UNGCPRO;
9552 return unbind_to (count, deleted);
9553 }
9554 #endif
9555
9556
9557 \f
9558 /***********************************************************************
9559 File selection dialog
9560 ***********************************************************************/
9561
9562 #if 0 /* MAC_TODO: can standard file dialog */
9563 extern Lisp_Object Qfile_name_history;
9564
9565 DEFUN ("x-file-dialog", Fx_file_dialog, Sx_file_dialog, 2, 4, 0,
9566 "Read file name, prompting with PROMPT in directory DIR.\n\
9567 Use a file selection dialog.\n\
9568 Select DEFAULT-FILENAME in the dialog's file selection box, if\n\
9569 specified. Don't let the user enter a file name in the file\n\
9570 selection dialog's entry field, if MUSTMATCH is non-nil.")
9571 (prompt, dir, default_filename, mustmatch)
9572 Lisp_Object prompt, dir, default_filename, mustmatch;
9573 {
9574 struct frame *f = SELECTED_FRAME ();
9575 Lisp_Object file = Qnil;
9576 int count = specpdl_ptr - specpdl;
9577 struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5;
9578 char filename[MAX_PATH + 1];
9579 char init_dir[MAX_PATH + 1];
9580 int use_dialog_p = 1;
9581
9582 GCPRO5 (prompt, dir, default_filename, mustmatch, file);
9583 CHECK_STRING (prompt, 0);
9584 CHECK_STRING (dir, 1);
9585
9586 /* Create the dialog with PROMPT as title, using DIR as initial
9587 directory and using "*" as pattern. */
9588 dir = Fexpand_file_name (dir, Qnil);
9589 strncpy (init_dir, XSTRING (dir)->data, MAX_PATH);
9590 init_dir[MAX_PATH] = '\0';
9591 unixtodos_filename (init_dir);
9592
9593 if (STRINGP (default_filename))
9594 {
9595 char *file_name_only;
9596 char *full_path_name = XSTRING (default_filename)->data;
9597
9598 unixtodos_filename (full_path_name);
9599
9600 file_name_only = strrchr (full_path_name, '\\');
9601 if (!file_name_only)
9602 file_name_only = full_path_name;
9603 else
9604 {
9605 file_name_only++;
9606
9607 /* If default_file_name is a directory, don't use the open
9608 file dialog, as it does not support selecting
9609 directories. */
9610 if (!(*file_name_only))
9611 use_dialog_p = 0;
9612 }
9613
9614 strncpy (filename, file_name_only, MAX_PATH);
9615 filename[MAX_PATH] = '\0';
9616 }
9617 else
9618 filename[0] = '\0';
9619
9620 if (use_dialog_p)
9621 {
9622 OPENFILENAME file_details;
9623 char *filename_file;
9624
9625 /* Prevent redisplay. */
9626 specbind (Qinhibit_redisplay, Qt);
9627 BLOCK_INPUT;
9628
9629 bzero (&file_details, sizeof (file_details));
9630 file_details.lStructSize = sizeof (file_details);
9631 file_details.hwndOwner = FRAME_W32_WINDOW (f);
9632 file_details.lpstrFile = filename;
9633 file_details.nMaxFile = sizeof (filename);
9634 file_details.lpstrInitialDir = init_dir;
9635 file_details.lpstrTitle = XSTRING (prompt)->data;
9636 file_details.Flags = OFN_HIDEREADONLY | OFN_NOCHANGEDIR;
9637
9638 if (!NILP (mustmatch))
9639 file_details.Flags |= OFN_FILEMUSTEXIST | OFN_PATHMUSTEXIST;
9640
9641 if (GetOpenFileName (&file_details))
9642 {
9643 dostounix_filename (filename);
9644 file = build_string (filename);
9645 }
9646 else
9647 file = Qnil;
9648
9649 UNBLOCK_INPUT;
9650 file = unbind_to (count, file);
9651 }
9652 /* Open File dialog will not allow folders to be selected, so resort
9653 to minibuffer completing reads for directories. */
9654 else
9655 file = Fcompleting_read (prompt, intern ("read-file-name-internal"),
9656 dir, mustmatch, dir, Qfile_name_history,
9657 default_filename, Qnil);
9658
9659 UNGCPRO;
9660
9661 /* Make "Cancel" equivalent to C-g. */
9662 if (NILP (file))
9663 Fsignal (Qquit, Qnil);
9664
9665 return unbind_to (count, file);
9666 }
9667 #endif
9668
9669
9670 \f
9671 /***********************************************************************
9672 Tests
9673 ***********************************************************************/
9674
9675 #if GLYPH_DEBUG
9676
9677 DEFUN ("imagep", Fimagep, Simagep, 1, 1, 0,
9678 "Value is non-nil if SPEC is a valid image specification.")
9679 (spec)
9680 Lisp_Object spec;
9681 {
9682 return valid_image_p (spec) ? Qt : Qnil;
9683 }
9684
9685
9686 DEFUN ("lookup-image", Flookup_image, Slookup_image, 1, 1, 0, "")
9687 (spec)
9688 Lisp_Object spec;
9689 {
9690 int id = -1;
9691
9692 if (valid_image_p (spec))
9693 id = lookup_image (SELECTED_FRAME (), spec);
9694
9695 debug_print (spec);
9696 return make_number (id);
9697 }
9698
9699 #endif /* GLYPH_DEBUG != 0 */
9700
9701
9702 \f
9703 void
9704 syms_of_macfns ()
9705 {
9706 /* Certainly running on Mac. */
9707 mac_in_use = 1;
9708
9709 /* The section below is built by the lisp expression at the top of the file,
9710 just above where these variables are declared. */
9711 /*&&& init symbols here &&&*/
9712 Qauto_raise = intern ("auto-raise");
9713 staticpro (&Qauto_raise);
9714 Qauto_lower = intern ("auto-lower");
9715 staticpro (&Qauto_lower);
9716 Qbar = intern ("bar");
9717 staticpro (&Qbar);
9718 Qborder_color = intern ("border-color");
9719 staticpro (&Qborder_color);
9720 Qborder_width = intern ("border-width");
9721 staticpro (&Qborder_width);
9722 Qbox = intern ("box");
9723 staticpro (&Qbox);
9724 Qcursor_color = intern ("cursor-color");
9725 staticpro (&Qcursor_color);
9726 Qcursor_type = intern ("cursor-type");
9727 staticpro (&Qcursor_type);
9728 Qgeometry = intern ("geometry");
9729 staticpro (&Qgeometry);
9730 Qicon_left = intern ("icon-left");
9731 staticpro (&Qicon_left);
9732 Qicon_top = intern ("icon-top");
9733 staticpro (&Qicon_top);
9734 Qicon_type = intern ("icon-type");
9735 staticpro (&Qicon_type);
9736 Qicon_name = intern ("icon-name");
9737 staticpro (&Qicon_name);
9738 Qinternal_border_width = intern ("internal-border-width");
9739 staticpro (&Qinternal_border_width);
9740 Qleft = intern ("left");
9741 staticpro (&Qleft);
9742 Qright = intern ("right");
9743 staticpro (&Qright);
9744 Qmouse_color = intern ("mouse-color");
9745 staticpro (&Qmouse_color);
9746 Qnone = intern ("none");
9747 staticpro (&Qnone);
9748 Qparent_id = intern ("parent-id");
9749 staticpro (&Qparent_id);
9750 Qscroll_bar_width = intern ("scroll-bar-width");
9751 staticpro (&Qscroll_bar_width);
9752 Qsuppress_icon = intern ("suppress-icon");
9753 staticpro (&Qsuppress_icon);
9754 Qundefined_color = intern ("undefined-color");
9755 staticpro (&Qundefined_color);
9756 Qvertical_scroll_bars = intern ("vertical-scroll-bars");
9757 staticpro (&Qvertical_scroll_bars);
9758 Qvisibility = intern ("visibility");
9759 staticpro (&Qvisibility);
9760 Qwindow_id = intern ("window-id");
9761 staticpro (&Qwindow_id);
9762 Qx_frame_parameter = intern ("x-frame-parameter");
9763 staticpro (&Qx_frame_parameter);
9764 Qx_resource_name = intern ("x-resource-name");
9765 staticpro (&Qx_resource_name);
9766 Quser_position = intern ("user-position");
9767 staticpro (&Quser_position);
9768 Quser_size = intern ("user-size");
9769 staticpro (&Quser_size);
9770 Qscreen_gamma = intern ("screen-gamma");
9771 staticpro (&Qscreen_gamma);
9772 Qline_spacing = intern ("line-spacing");
9773 staticpro (&Qline_spacing);
9774 Qcenter = intern ("center");
9775 staticpro (&Qcenter);
9776 Qcancel_timer = intern ("cancel-timer");
9777 staticpro (&Qcancel_timer);
9778 /* This is the end of symbol initialization. */
9779
9780 Qhyper = intern ("hyper");
9781 staticpro (&Qhyper);
9782 Qsuper = intern ("super");
9783 staticpro (&Qsuper);
9784 Qmeta = intern ("meta");
9785 staticpro (&Qmeta);
9786 Qalt = intern ("alt");
9787 staticpro (&Qalt);
9788 Qctrl = intern ("ctrl");
9789 staticpro (&Qctrl);
9790 Qcontrol = intern ("control");
9791 staticpro (&Qcontrol);
9792 Qshift = intern ("shift");
9793 staticpro (&Qshift);
9794
9795 /* Text property `display' should be nonsticky by default. */
9796 Vtext_property_default_nonsticky
9797 = Fcons (Fcons (Qdisplay, Qt), Vtext_property_default_nonsticky);
9798
9799
9800 Qlaplace = intern ("laplace");
9801 staticpro (&Qlaplace);
9802
9803 Qface_set_after_frame_default = intern ("face-set-after-frame-default");
9804 staticpro (&Qface_set_after_frame_default);
9805
9806 Fput (Qundefined_color, Qerror_conditions,
9807 Fcons (Qundefined_color, Fcons (Qerror, Qnil)));
9808 Fput (Qundefined_color, Qerror_message,
9809 build_string ("Undefined color"));
9810
9811 init_x_parm_symbols ();
9812
9813 DEFVAR_LISP ("x-bitmap-file-path", &Vx_bitmap_file_path,
9814 "List of directories to search for bitmap files for w32.");
9815 Vx_bitmap_file_path = decode_env_path ((char *) 0, "PATH");
9816
9817 DEFVAR_LISP ("x-pointer-shape", &Vx_pointer_shape,
9818 "The shape of the pointer when over text.\n\
9819 Changing the value does not affect existing frames\n\
9820 unless you set the mouse color.");
9821 Vx_pointer_shape = Qnil;
9822
9823 DEFVAR_LISP ("x-resource-name", &Vx_resource_name,
9824 "The name Emacs uses to look up resources; for internal use only.\n\
9825 `x-get-resource' uses this as the first component of the instance name\n\
9826 when requesting resource values.\n\
9827 Emacs initially sets `x-resource-name' to the name under which Emacs\n\
9828 was invoked, or to the value specified with the `-name' or `-rn'\n\
9829 switches, if present.");
9830 Vx_resource_name = Qnil;
9831
9832 Vx_nontext_pointer_shape = Qnil;
9833
9834 Vx_mode_pointer_shape = Qnil;
9835
9836 DEFVAR_LISP ("x-hourglass-pointer-shape", &Vx_hourglass_pointer_shape,
9837 "The shape of the pointer when Emacs is busy.\n\
9838 This variable takes effect when you create a new frame\n\
9839 or when you set the mouse color.");
9840 Vx_hourglass_pointer_shape = Qnil;
9841
9842 DEFVAR_BOOL ("display-hourglass", &display_hourglass_p,
9843 "Non-zero means Emacs displays an hourglass pointer on window systems.");
9844 display_hourglass_p = 1;
9845
9846 DEFVAR_LISP ("hourglass-delay", &Vhourglass_delay,
9847 "*Seconds to wait before displaying an hourglass pointer.\n\
9848 Value must be an integer or float.");
9849 Vhourglass_delay = make_number (DEFAULT_HOURGLASS_DELAY);
9850
9851 DEFVAR_LISP ("x-sensitive-text-pointer-shape",
9852 &Vx_sensitive_text_pointer_shape,
9853 "The shape of the pointer when over mouse-sensitive text.\n\
9854 This variable takes effect when you create a new frame\n\
9855 or when you set the mouse color.");
9856 Vx_sensitive_text_pointer_shape = Qnil;
9857
9858 DEFVAR_LISP ("x-cursor-fore-pixel", &Vx_cursor_fore_pixel,
9859 "A string indicating the foreground color of the cursor box.");
9860 Vx_cursor_fore_pixel = Qnil;
9861
9862 DEFVAR_LISP ("x-no-window-manager", &Vx_no_window_manager,
9863 "Non-nil if no window manager is in use.\n\
9864 Emacs doesn't try to figure this out; this is always nil\n\
9865 unless you set it to something else.");
9866 /* We don't have any way to find this out, so set it to nil
9867 and maybe the user would like to set it to t. */
9868 Vx_no_window_manager = Qnil;
9869
9870 DEFVAR_LISP ("x-pixel-size-width-font-regexp",
9871 &Vx_pixel_size_width_font_regexp,
9872 "Regexp matching a font name whose width is the same as `PIXEL_SIZE'.\n\
9873 \n\
9874 Since Emacs gets width of a font matching with this regexp from\n\
9875 PIXEL_SIZE field of the name, font finding mechanism gets faster for\n\
9876 such a font. This is especially effective for such large fonts as\n\
9877 Chinese, Japanese, and Korean.");
9878 Vx_pixel_size_width_font_regexp = Qnil;
9879
9880 DEFVAR_LISP ("image-cache-eviction-delay", &Vimage_cache_eviction_delay,
9881 "Time after which cached images are removed from the cache.\n\
9882 When an image has not been displayed this many seconds, remove it\n\
9883 from the image cache. Value must be an integer or nil with nil\n\
9884 meaning don't clear the cache.");
9885 Vimage_cache_eviction_delay = make_number (30 * 60);
9886
9887 #if 0 /* MAC_TODO: implement get X resource */
9888 defsubr (&Sx_get_resource);
9889 #endif
9890 defsubr (&Sx_change_window_property);
9891 defsubr (&Sx_delete_window_property);
9892 defsubr (&Sx_window_property);
9893 defsubr (&Sxw_display_color_p);
9894 defsubr (&Sx_display_grayscale_p);
9895 defsubr (&Sxw_color_defined_p);
9896 defsubr (&Sxw_color_values);
9897 defsubr (&Sx_server_max_request_size);
9898 defsubr (&Sx_server_vendor);
9899 defsubr (&Sx_server_version);
9900 defsubr (&Sx_display_pixel_width);
9901 defsubr (&Sx_display_pixel_height);
9902 defsubr (&Sx_display_mm_width);
9903 defsubr (&Sx_display_mm_height);
9904 defsubr (&Sx_display_screens);
9905 defsubr (&Sx_display_planes);
9906 defsubr (&Sx_display_color_cells);
9907 defsubr (&Sx_display_visual_class);
9908 defsubr (&Sx_display_backing_store);
9909 defsubr (&Sx_display_save_under);
9910 #if 0 /* MAC_TODO: implement XParseGeometry */
9911 defsubr (&Sx_parse_geometry);
9912 #endif
9913 defsubr (&Sx_create_frame);
9914 #if 0 /* MAC_TODO: implement network support */
9915 defsubr (&Sx_open_connection);
9916 defsubr (&Sx_close_connection);
9917 #endif
9918 defsubr (&Sx_display_list);
9919 defsubr (&Sx_synchronize);
9920
9921 /* Setting callback functions for fontset handler. */
9922 get_font_info_func = x_get_font_info;
9923
9924 #if 0 /* This function pointer doesn't seem to be used anywhere.
9925 And the pointer assigned has the wrong type, anyway. */
9926 list_fonts_func = x_list_fonts;
9927 #endif
9928
9929 load_font_func = x_load_font;
9930 find_ccl_program_func = x_find_ccl_program;
9931 query_font_func = x_query_font;
9932
9933 set_frame_fontset_func = x_set_font;
9934 check_window_system_func = check_mac;
9935
9936 #if 0 /* MAC_TODO: Image support for Mac Images. */
9937 Qxbm = intern ("xbm");
9938 staticpro (&Qxbm);
9939 QCtype = intern (":type");
9940 staticpro (&QCtype);
9941 QCconversion = intern (":conversion");
9942 staticpro (&QCconversion);
9943 QCheuristic_mask = intern (":heuristic-mask");
9944 staticpro (&QCheuristic_mask);
9945 QCcolor_symbols = intern (":color-symbols");
9946 staticpro (&QCcolor_symbols);
9947 QCascent = intern (":ascent");
9948 staticpro (&QCascent);
9949 QCmargin = intern (":margin");
9950 staticpro (&QCmargin);
9951 QCrelief = intern (":relief");
9952 staticpro (&QCrelief);
9953 Qpostscript = intern ("postscript");
9954 staticpro (&Qpostscript);
9955 QCloader = intern (":loader");
9956 staticpro (&QCloader);
9957 QCbounding_box = intern (":bounding-box");
9958 staticpro (&QCbounding_box);
9959 QCpt_width = intern (":pt-width");
9960 staticpro (&QCpt_width);
9961 QCpt_height = intern (":pt-height");
9962 staticpro (&QCpt_height);
9963 QCindex = intern (":index");
9964 staticpro (&QCindex);
9965 Qpbm = intern ("pbm");
9966 staticpro (&Qpbm);
9967
9968 #if HAVE_XPM
9969 Qxpm = intern ("xpm");
9970 staticpro (&Qxpm);
9971 #endif
9972
9973 #if HAVE_JPEG
9974 Qjpeg = intern ("jpeg");
9975 staticpro (&Qjpeg);
9976 #endif
9977
9978 #if HAVE_TIFF
9979 Qtiff = intern ("tiff");
9980 staticpro (&Qtiff);
9981 #endif
9982
9983 #if HAVE_GIF
9984 Qgif = intern ("gif");
9985 staticpro (&Qgif);
9986 #endif
9987
9988 #if HAVE_PNG
9989 Qpng = intern ("png");
9990 staticpro (&Qpng);
9991 #endif
9992
9993 defsubr (&Sclear_image_cache);
9994
9995 #if GLYPH_DEBUG
9996 defsubr (&Simagep);
9997 defsubr (&Slookup_image);
9998 #endif
9999 #endif /* TODO */
10000
10001 hourglass_atimer = NULL;
10002 hourglass_shown_p = 0;
10003 #ifdef TODO /* Tooltip support not complete. */
10004 defsubr (&Sx_show_tip);
10005 defsubr (&Sx_hide_tip);
10006 #endif
10007 tip_timer = Qnil;
10008 staticpro (&tip_timer);
10009 tip_frame = Qnil;
10010 staticpro (&tip_frame);
10011
10012 #if 0 /* MAC_TODO */
10013 defsubr (&Sx_file_dialog);
10014 #endif
10015 }
10016
10017
10018 void
10019 init_xfns ()
10020 {
10021 image_types = NULL;
10022 Vimage_types = Qnil;
10023
10024 #if 0 /* TODO : Image support for W32 */
10025 define_image_type (&xbm_type);
10026 define_image_type (&gs_type);
10027 define_image_type (&pbm_type);
10028
10029 #if HAVE_XPM
10030 define_image_type (&xpm_type);
10031 #endif
10032
10033 #if HAVE_JPEG
10034 define_image_type (&jpeg_type);
10035 #endif
10036
10037 #if HAVE_TIFF
10038 define_image_type (&tiff_type);
10039 #endif
10040
10041 #if HAVE_GIF
10042 define_image_type (&gif_type);
10043 #endif
10044
10045 #if HAVE_PNG
10046 define_image_type (&png_type);
10047 #endif
10048 #endif /* NTEMACS_TODO */
10049 }
10050
10051 #undef abort
10052
10053 #if 0
10054 void
10055 w32_abort()
10056 {
10057 int button;
10058 button = MessageBox (NULL,
10059 "A fatal error has occurred!\n\n"
10060 "Select Abort to exit, Retry to debug, Ignore to continue",
10061 "Emacs Abort Dialog",
10062 MB_ICONEXCLAMATION | MB_TASKMODAL
10063 | MB_SETFOREGROUND | MB_ABORTRETRYIGNORE);
10064 switch (button)
10065 {
10066 case IDRETRY:
10067 DebugBreak ();
10068 break;
10069 case IDIGNORE:
10070 break;
10071 case IDABORT:
10072 default:
10073 abort ();
10074 break;
10075 }
10076 }
10077
10078 /* For convenience when debugging. */
10079 int
10080 w32_last_error()
10081 {
10082 return GetLastError ();
10083 }
10084 #endif
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