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Revision: miles@gnu.org--gnu-2005/emacs--unicode--0--patch-82
[bpt/emacs.git] / src / w32fns.c
1 /* Graphical user interface functions for the Microsoft W32 API.
2 Copyright (C) 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
3 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
4
5 This file is part of GNU Emacs.
6
7 GNU Emacs is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
10 any later version.
11
12 GNU Emacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
21
22 /* Added by Kevin Gallo */
23
24 #include <config.h>
25
26 #include <signal.h>
27 #include <stdio.h>
28 #include <limits.h>
29 #include <errno.h>
30
31 #include "lisp.h"
32 #include "w32term.h"
33 #include "frame.h"
34 #include "window.h"
35 #include "buffer.h"
36 #include "intervals.h"
37 #include "dispextern.h"
38 #include "keyboard.h"
39 #include "blockinput.h"
40 #include "epaths.h"
41 #include "character.h"
42 #include "charset.h"
43 #include "coding.h"
44 #include "ccl.h"
45 #include "fontset.h"
46 #include "systime.h"
47 #include "termhooks.h"
48 #include "w32heap.h"
49
50 #include "bitmaps/gray.xbm"
51
52 #include <commdlg.h>
53 #include <shellapi.h>
54 #include <ctype.h>
55 #include <winspool.h>
56
57 #include <dlgs.h>
58 #define FILE_NAME_TEXT_FIELD edt1
59
60 void syms_of_w32fns ();
61 void globals_of_w32fns ();
62
63 extern void free_frame_menubar ();
64 extern double atof ();
65 extern int w32_console_toggle_lock_key P_ ((int, Lisp_Object));
66 extern void w32_menu_display_help P_ ((HWND, HMENU, UINT, UINT));
67 extern void w32_free_menu_strings P_ ((HWND));
68 extern XCharStruct *w32_per_char_metric P_ ((XFontStruct *, wchar_t *, int));
69
70 extern int quit_char;
71
72 extern char *lispy_function_keys[];
73
74 /* The gray bitmap `bitmaps/gray'. This is done because w32term.c uses
75 it, and including `bitmaps/gray' more than once is a problem when
76 config.h defines `static' as an empty replacement string. */
77
78 int gray_bitmap_width = gray_width;
79 int gray_bitmap_height = gray_height;
80 unsigned char *gray_bitmap_bits = gray_bits;
81
82 /* The colormap for converting color names to RGB values */
83 Lisp_Object Vw32_color_map;
84
85 /* Non nil if alt key presses are passed on to Windows. */
86 Lisp_Object Vw32_pass_alt_to_system;
87
88 /* Non nil if alt key is translated to meta_modifier, nil if it is translated
89 to alt_modifier. */
90 Lisp_Object Vw32_alt_is_meta;
91
92 /* If non-zero, the windows virtual key code for an alternative quit key. */
93 int w32_quit_key;
94
95 /* Non nil if left window key events are passed on to Windows (this only
96 affects whether "tapping" the key opens the Start menu). */
97 Lisp_Object Vw32_pass_lwindow_to_system;
98
99 /* Non nil if right window key events are passed on to Windows (this
100 only affects whether "tapping" the key opens the Start menu). */
101 Lisp_Object Vw32_pass_rwindow_to_system;
102
103 /* Virtual key code used to generate "phantom" key presses in order
104 to stop system from acting on Windows key events. */
105 Lisp_Object Vw32_phantom_key_code;
106
107 /* Modifier associated with the left "Windows" key, or nil to act as a
108 normal key. */
109 Lisp_Object Vw32_lwindow_modifier;
110
111 /* Modifier associated with the right "Windows" key, or nil to act as a
112 normal key. */
113 Lisp_Object Vw32_rwindow_modifier;
114
115 /* Modifier associated with the "Apps" key, or nil to act as a normal
116 key. */
117 Lisp_Object Vw32_apps_modifier;
118
119 /* Value is nil if Num Lock acts as a function key. */
120 Lisp_Object Vw32_enable_num_lock;
121
122 /* Value is nil if Caps Lock acts as a function key. */
123 Lisp_Object Vw32_enable_caps_lock;
124
125 /* Modifier associated with Scroll Lock, or nil to act as a normal key. */
126 Lisp_Object Vw32_scroll_lock_modifier;
127
128 /* Switch to control whether we inhibit requests for synthesized bold
129 and italic versions of fonts. */
130 int w32_enable_synthesized_fonts;
131
132 /* Enable palette management. */
133 Lisp_Object Vw32_enable_palette;
134
135 /* Control how close left/right button down events must be to
136 be converted to a middle button down event. */
137 int w32_mouse_button_tolerance;
138
139 /* Minimum interval between mouse movement (and scroll bar drag)
140 events that are passed on to the event loop. */
141 int w32_mouse_move_interval;
142
143 /* Flag to indicate if XBUTTON events should be passed on to Windows. */
144 int w32_pass_extra_mouse_buttons_to_system;
145
146 /* Non nil if no window manager is in use. */
147 Lisp_Object Vx_no_window_manager;
148
149 /* Non-zero means we're allowed to display a hourglass pointer. */
150
151 int display_hourglass_p;
152
153 /* The background and shape of the mouse pointer, and shape when not
154 over text or in the modeline. */
155
156 Lisp_Object Vx_pointer_shape, Vx_nontext_pointer_shape, Vx_mode_pointer_shape;
157 Lisp_Object Vx_hourglass_pointer_shape, Vx_window_horizontal_drag_shape;
158
159 /* The shape when over mouse-sensitive text. */
160
161 Lisp_Object Vx_sensitive_text_pointer_shape;
162
163 #ifndef IDC_HAND
164 #define IDC_HAND MAKEINTRESOURCE(32649)
165 #endif
166
167 /* Color of chars displayed in cursor box. */
168
169 Lisp_Object Vx_cursor_fore_pixel;
170
171 /* Nonzero if using Windows. */
172
173 static int w32_in_use;
174
175 /* Regexp matching a font name whose width is the same as `PIXEL_SIZE'. */
176
177 Lisp_Object Vx_pixel_size_width_font_regexp;
178
179 /* Alist of bdf fonts and the files that define them. */
180 Lisp_Object Vw32_bdf_filename_alist;
181
182 /* A flag to control whether fonts are matched strictly or not. */
183 int w32_strict_fontnames;
184
185 /* A flag to control whether we should only repaint if GetUpdateRect
186 indicates there is an update region. */
187 int w32_strict_painting;
188
189 /* Associative list linking character set strings to Windows codepages. */
190 Lisp_Object Vw32_charset_info_alist;
191
192 /* VIETNAMESE_CHARSET is not defined in some versions of MSVC. */
193 #ifndef VIETNAMESE_CHARSET
194 #define VIETNAMESE_CHARSET 163
195 #endif
196
197 Lisp_Object Qnone;
198 Lisp_Object Qsuppress_icon;
199 Lisp_Object Qundefined_color;
200 Lisp_Object Qcancel_timer;
201 Lisp_Object Qhyper;
202 Lisp_Object Qsuper;
203 Lisp_Object Qmeta;
204 Lisp_Object Qalt;
205 Lisp_Object Qctrl;
206 Lisp_Object Qcontrol;
207 Lisp_Object Qshift;
208
209 Lisp_Object Qw32_charset_ansi;
210 Lisp_Object Qw32_charset_default;
211 Lisp_Object Qw32_charset_symbol;
212 Lisp_Object Qw32_charset_shiftjis;
213 Lisp_Object Qw32_charset_hangeul;
214 Lisp_Object Qw32_charset_gb2312;
215 Lisp_Object Qw32_charset_chinesebig5;
216 Lisp_Object Qw32_charset_oem;
217
218 #ifndef JOHAB_CHARSET
219 #define JOHAB_CHARSET 130
220 #endif
221 #ifdef JOHAB_CHARSET
222 Lisp_Object Qw32_charset_easteurope;
223 Lisp_Object Qw32_charset_turkish;
224 Lisp_Object Qw32_charset_baltic;
225 Lisp_Object Qw32_charset_russian;
226 Lisp_Object Qw32_charset_arabic;
227 Lisp_Object Qw32_charset_greek;
228 Lisp_Object Qw32_charset_hebrew;
229 Lisp_Object Qw32_charset_vietnamese;
230 Lisp_Object Qw32_charset_thai;
231 Lisp_Object Qw32_charset_johab;
232 Lisp_Object Qw32_charset_mac;
233 #endif
234
235 #ifdef UNICODE_CHARSET
236 Lisp_Object Qw32_charset_unicode;
237 #endif
238
239 /* The ANSI codepage. */
240 int w32_ansi_code_page;
241
242 /* Prefix for system colors. */
243 #define SYSTEM_COLOR_PREFIX "System"
244 #define SYSTEM_COLOR_PREFIX_LEN (sizeof (SYSTEM_COLOR_PREFIX) - 1)
245
246 /* State variables for emulating a three button mouse. */
247 #define LMOUSE 1
248 #define MMOUSE 2
249 #define RMOUSE 4
250
251 static int button_state = 0;
252 static W32Msg saved_mouse_button_msg;
253 static unsigned mouse_button_timer = 0; /* non-zero when timer is active */
254 static W32Msg saved_mouse_move_msg;
255 static unsigned mouse_move_timer = 0;
256
257 /* Window that is tracking the mouse. */
258 static HWND track_mouse_window;
259
260 typedef BOOL (WINAPI * TrackMouseEvent_Proc)
261 (IN OUT LPTRACKMOUSEEVENT lpEventTrack);
262
263 TrackMouseEvent_Proc track_mouse_event_fn = NULL;
264 ClipboardSequence_Proc clipboard_sequence_fn = NULL;
265 extern AppendMenuW_Proc unicode_append_menu;
266
267 /* W95 mousewheel handler */
268 unsigned int msh_mousewheel = 0;
269
270 /* Timers */
271 #define MOUSE_BUTTON_ID 1
272 #define MOUSE_MOVE_ID 2
273 #define MENU_FREE_ID 3
274 /* The delay (milliseconds) before a menu is freed after WM_EXITMENULOOP
275 is received. */
276 #define MENU_FREE_DELAY 1000
277 static unsigned menu_free_timer = 0;
278
279 /* The below are defined in frame.c. */
280
281 extern Lisp_Object Vwindow_system_version;
282
283 #ifdef GLYPH_DEBUG
284 int image_cache_refcount, dpyinfo_refcount;
285 #endif
286
287
288 /* From w32term.c. */
289 extern int w32_num_mouse_buttons;
290 extern Lisp_Object Vw32_recognize_altgr;
291
292 extern HWND w32_system_caret_hwnd;
293
294 extern int w32_system_caret_height;
295 extern int w32_system_caret_x;
296 extern int w32_system_caret_y;
297 extern int w32_use_visible_system_caret;
298
299 static HWND w32_visible_system_caret_hwnd;
300
301 \f
302 /* Error if we are not connected to MS-Windows. */
303 void
304 check_w32 ()
305 {
306 if (! w32_in_use)
307 error ("MS-Windows not in use or not initialized");
308 }
309
310 /* Nonzero if we can use mouse menus.
311 You should not call this unless HAVE_MENUS is defined. */
312
313 int
314 have_menus_p ()
315 {
316 return w32_in_use;
317 }
318
319 /* Extract a frame as a FRAME_PTR, defaulting to the selected frame
320 and checking validity for W32. */
321
322 FRAME_PTR
323 check_x_frame (frame)
324 Lisp_Object frame;
325 {
326 FRAME_PTR f;
327
328 if (NILP (frame))
329 frame = selected_frame;
330 CHECK_LIVE_FRAME (frame);
331 f = XFRAME (frame);
332 if (! FRAME_W32_P (f))
333 error ("Non-W32 frame used");
334 return f;
335 }
336
337 /* Let the user specify a display with a frame.
338 nil stands for the selected frame--or, if that is not a w32 frame,
339 the first display on the list. */
340
341 struct w32_display_info *
342 check_x_display_info (frame)
343 Lisp_Object frame;
344 {
345 if (NILP (frame))
346 {
347 struct frame *sf = XFRAME (selected_frame);
348
349 if (FRAME_W32_P (sf) && FRAME_LIVE_P (sf))
350 return FRAME_W32_DISPLAY_INFO (sf);
351 else
352 return &one_w32_display_info;
353 }
354 else if (STRINGP (frame))
355 return x_display_info_for_name (frame);
356 else
357 {
358 FRAME_PTR f;
359
360 CHECK_LIVE_FRAME (frame);
361 f = XFRAME (frame);
362 if (! FRAME_W32_P (f))
363 error ("Non-W32 frame used");
364 return FRAME_W32_DISPLAY_INFO (f);
365 }
366 }
367 \f
368 /* Return the Emacs frame-object corresponding to an w32 window.
369 It could be the frame's main window or an icon window. */
370
371 /* This function can be called during GC, so use GC_xxx type test macros. */
372
373 struct frame *
374 x_window_to_frame (dpyinfo, wdesc)
375 struct w32_display_info *dpyinfo;
376 HWND wdesc;
377 {
378 Lisp_Object tail, frame;
379 struct frame *f;
380
381 for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail))
382 {
383 frame = XCAR (tail);
384 if (!GC_FRAMEP (frame))
385 continue;
386 f = XFRAME (frame);
387 if (!FRAME_W32_P (f) || FRAME_W32_DISPLAY_INFO (f) != dpyinfo)
388 continue;
389 if (f->output_data.w32->hourglass_window == wdesc)
390 return f;
391
392 if (FRAME_W32_WINDOW (f) == wdesc)
393 return f;
394 }
395 return 0;
396 }
397
398 \f
399 static Lisp_Object unwind_create_frame P_ ((Lisp_Object));
400 static Lisp_Object unwind_create_tip_frame P_ ((Lisp_Object));
401 static void my_create_window P_ ((struct frame *));
402 static void my_create_tip_window P_ ((struct frame *));
403
404 /* TODO: Native Input Method support; see x_create_im. */
405 void x_set_foreground_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
406 void x_set_background_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
407 void x_set_mouse_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
408 void x_set_cursor_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
409 void x_set_border_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
410 void x_set_cursor_type P_ ((struct frame *, Lisp_Object, Lisp_Object));
411 void x_set_icon_type P_ ((struct frame *, Lisp_Object, Lisp_Object));
412 void x_set_icon_name P_ ((struct frame *, Lisp_Object, Lisp_Object));
413 void x_explicitly_set_name P_ ((struct frame *, Lisp_Object, Lisp_Object));
414 void x_set_menu_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
415 void x_set_title P_ ((struct frame *, Lisp_Object, Lisp_Object));
416 void x_set_tool_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
417 static void x_edge_detection P_ ((struct frame *, struct image *, Lisp_Object,
418 Lisp_Object));
419
420
421 \f
422
423 /* Store the screen positions of frame F into XPTR and YPTR.
424 These are the positions of the containing window manager window,
425 not Emacs's own window. */
426
427 void
428 x_real_positions (f, xptr, yptr)
429 FRAME_PTR f;
430 int *xptr, *yptr;
431 {
432 POINT pt;
433 RECT rect;
434
435 GetClientRect(FRAME_W32_WINDOW(f), &rect);
436 AdjustWindowRect(&rect, f->output_data.w32->dwStyle, FRAME_EXTERNAL_MENU_BAR(f));
437
438 pt.x = rect.left;
439 pt.y = rect.top;
440
441 ClientToScreen (FRAME_W32_WINDOW(f), &pt);
442
443 /* Remember x_pixels_diff and y_pixels_diff. */
444 f->x_pixels_diff = pt.x - rect.left;
445 f->y_pixels_diff = pt.y - rect.top;
446
447 *xptr = pt.x;
448 *yptr = pt.y;
449 }
450
451 \f
452
453 DEFUN ("w32-define-rgb-color", Fw32_define_rgb_color,
454 Sw32_define_rgb_color, 4, 4, 0,
455 doc: /* Convert RGB numbers to a windows color reference and associate with NAME.
456 This adds or updates a named color to w32-color-map, making it
457 available for use. The original entry's RGB ref is returned, or nil
458 if the entry is new. */)
459 (red, green, blue, name)
460 Lisp_Object red, green, blue, name;
461 {
462 Lisp_Object rgb;
463 Lisp_Object oldrgb = Qnil;
464 Lisp_Object entry;
465
466 CHECK_NUMBER (red);
467 CHECK_NUMBER (green);
468 CHECK_NUMBER (blue);
469 CHECK_STRING (name);
470
471 XSETINT (rgb, RGB(XUINT (red), XUINT (green), XUINT (blue)));
472
473 BLOCK_INPUT;
474
475 /* replace existing entry in w32-color-map or add new entry. */
476 entry = Fassoc (name, Vw32_color_map);
477 if (NILP (entry))
478 {
479 entry = Fcons (name, rgb);
480 Vw32_color_map = Fcons (entry, Vw32_color_map);
481 }
482 else
483 {
484 oldrgb = Fcdr (entry);
485 Fsetcdr (entry, rgb);
486 }
487
488 UNBLOCK_INPUT;
489
490 return (oldrgb);
491 }
492
493 DEFUN ("w32-load-color-file", Fw32_load_color_file,
494 Sw32_load_color_file, 1, 1, 0,
495 doc: /* Create an alist of color entries from an external file.
496 Assign this value to w32-color-map to replace the existing color map.
497
498 The file should define one named RGB color per line like so:
499 R G B name
500 where R,G,B are numbers between 0 and 255 and name is an arbitrary string. */)
501 (filename)
502 Lisp_Object filename;
503 {
504 FILE *fp;
505 Lisp_Object cmap = Qnil;
506 Lisp_Object abspath;
507
508 CHECK_STRING (filename);
509 abspath = Fexpand_file_name (filename, Qnil);
510
511 fp = fopen (SDATA (filename), "rt");
512 if (fp)
513 {
514 char buf[512];
515 int red, green, blue;
516 int num;
517
518 BLOCK_INPUT;
519
520 while (fgets (buf, sizeof (buf), fp) != NULL) {
521 if (sscanf (buf, "%u %u %u %n", &red, &green, &blue, &num) == 3)
522 {
523 char *name = buf + num;
524 num = strlen (name) - 1;
525 if (name[num] == '\n')
526 name[num] = 0;
527 cmap = Fcons (Fcons (build_string (name),
528 make_number (RGB (red, green, blue))),
529 cmap);
530 }
531 }
532 fclose (fp);
533
534 UNBLOCK_INPUT;
535 }
536
537 return cmap;
538 }
539
540 /* The default colors for the w32 color map */
541 typedef struct colormap_t
542 {
543 char *name;
544 COLORREF colorref;
545 } colormap_t;
546
547 colormap_t w32_color_map[] =
548 {
549 {"snow" , PALETTERGB (255,250,250)},
550 {"ghost white" , PALETTERGB (248,248,255)},
551 {"GhostWhite" , PALETTERGB (248,248,255)},
552 {"white smoke" , PALETTERGB (245,245,245)},
553 {"WhiteSmoke" , PALETTERGB (245,245,245)},
554 {"gainsboro" , PALETTERGB (220,220,220)},
555 {"floral white" , PALETTERGB (255,250,240)},
556 {"FloralWhite" , PALETTERGB (255,250,240)},
557 {"old lace" , PALETTERGB (253,245,230)},
558 {"OldLace" , PALETTERGB (253,245,230)},
559 {"linen" , PALETTERGB (250,240,230)},
560 {"antique white" , PALETTERGB (250,235,215)},
561 {"AntiqueWhite" , PALETTERGB (250,235,215)},
562 {"papaya whip" , PALETTERGB (255,239,213)},
563 {"PapayaWhip" , PALETTERGB (255,239,213)},
564 {"blanched almond" , PALETTERGB (255,235,205)},
565 {"BlanchedAlmond" , PALETTERGB (255,235,205)},
566 {"bisque" , PALETTERGB (255,228,196)},
567 {"peach puff" , PALETTERGB (255,218,185)},
568 {"PeachPuff" , PALETTERGB (255,218,185)},
569 {"navajo white" , PALETTERGB (255,222,173)},
570 {"NavajoWhite" , PALETTERGB (255,222,173)},
571 {"moccasin" , PALETTERGB (255,228,181)},
572 {"cornsilk" , PALETTERGB (255,248,220)},
573 {"ivory" , PALETTERGB (255,255,240)},
574 {"lemon chiffon" , PALETTERGB (255,250,205)},
575 {"LemonChiffon" , PALETTERGB (255,250,205)},
576 {"seashell" , PALETTERGB (255,245,238)},
577 {"honeydew" , PALETTERGB (240,255,240)},
578 {"mint cream" , PALETTERGB (245,255,250)},
579 {"MintCream" , PALETTERGB (245,255,250)},
580 {"azure" , PALETTERGB (240,255,255)},
581 {"alice blue" , PALETTERGB (240,248,255)},
582 {"AliceBlue" , PALETTERGB (240,248,255)},
583 {"lavender" , PALETTERGB (230,230,250)},
584 {"lavender blush" , PALETTERGB (255,240,245)},
585 {"LavenderBlush" , PALETTERGB (255,240,245)},
586 {"misty rose" , PALETTERGB (255,228,225)},
587 {"MistyRose" , PALETTERGB (255,228,225)},
588 {"white" , PALETTERGB (255,255,255)},
589 {"black" , PALETTERGB ( 0, 0, 0)},
590 {"dark slate gray" , PALETTERGB ( 47, 79, 79)},
591 {"DarkSlateGray" , PALETTERGB ( 47, 79, 79)},
592 {"dark slate grey" , PALETTERGB ( 47, 79, 79)},
593 {"DarkSlateGrey" , PALETTERGB ( 47, 79, 79)},
594 {"dim gray" , PALETTERGB (105,105,105)},
595 {"DimGray" , PALETTERGB (105,105,105)},
596 {"dim grey" , PALETTERGB (105,105,105)},
597 {"DimGrey" , PALETTERGB (105,105,105)},
598 {"slate gray" , PALETTERGB (112,128,144)},
599 {"SlateGray" , PALETTERGB (112,128,144)},
600 {"slate grey" , PALETTERGB (112,128,144)},
601 {"SlateGrey" , PALETTERGB (112,128,144)},
602 {"light slate gray" , PALETTERGB (119,136,153)},
603 {"LightSlateGray" , PALETTERGB (119,136,153)},
604 {"light slate grey" , PALETTERGB (119,136,153)},
605 {"LightSlateGrey" , PALETTERGB (119,136,153)},
606 {"gray" , PALETTERGB (190,190,190)},
607 {"grey" , PALETTERGB (190,190,190)},
608 {"light grey" , PALETTERGB (211,211,211)},
609 {"LightGrey" , PALETTERGB (211,211,211)},
610 {"light gray" , PALETTERGB (211,211,211)},
611 {"LightGray" , PALETTERGB (211,211,211)},
612 {"midnight blue" , PALETTERGB ( 25, 25,112)},
613 {"MidnightBlue" , PALETTERGB ( 25, 25,112)},
614 {"navy" , PALETTERGB ( 0, 0,128)},
615 {"navy blue" , PALETTERGB ( 0, 0,128)},
616 {"NavyBlue" , PALETTERGB ( 0, 0,128)},
617 {"cornflower blue" , PALETTERGB (100,149,237)},
618 {"CornflowerBlue" , PALETTERGB (100,149,237)},
619 {"dark slate blue" , PALETTERGB ( 72, 61,139)},
620 {"DarkSlateBlue" , PALETTERGB ( 72, 61,139)},
621 {"slate blue" , PALETTERGB (106, 90,205)},
622 {"SlateBlue" , PALETTERGB (106, 90,205)},
623 {"medium slate blue" , PALETTERGB (123,104,238)},
624 {"MediumSlateBlue" , PALETTERGB (123,104,238)},
625 {"light slate blue" , PALETTERGB (132,112,255)},
626 {"LightSlateBlue" , PALETTERGB (132,112,255)},
627 {"medium blue" , PALETTERGB ( 0, 0,205)},
628 {"MediumBlue" , PALETTERGB ( 0, 0,205)},
629 {"royal blue" , PALETTERGB ( 65,105,225)},
630 {"RoyalBlue" , PALETTERGB ( 65,105,225)},
631 {"blue" , PALETTERGB ( 0, 0,255)},
632 {"dodger blue" , PALETTERGB ( 30,144,255)},
633 {"DodgerBlue" , PALETTERGB ( 30,144,255)},
634 {"deep sky blue" , PALETTERGB ( 0,191,255)},
635 {"DeepSkyBlue" , PALETTERGB ( 0,191,255)},
636 {"sky blue" , PALETTERGB (135,206,235)},
637 {"SkyBlue" , PALETTERGB (135,206,235)},
638 {"light sky blue" , PALETTERGB (135,206,250)},
639 {"LightSkyBlue" , PALETTERGB (135,206,250)},
640 {"steel blue" , PALETTERGB ( 70,130,180)},
641 {"SteelBlue" , PALETTERGB ( 70,130,180)},
642 {"light steel blue" , PALETTERGB (176,196,222)},
643 {"LightSteelBlue" , PALETTERGB (176,196,222)},
644 {"light blue" , PALETTERGB (173,216,230)},
645 {"LightBlue" , PALETTERGB (173,216,230)},
646 {"powder blue" , PALETTERGB (176,224,230)},
647 {"PowderBlue" , PALETTERGB (176,224,230)},
648 {"pale turquoise" , PALETTERGB (175,238,238)},
649 {"PaleTurquoise" , PALETTERGB (175,238,238)},
650 {"dark turquoise" , PALETTERGB ( 0,206,209)},
651 {"DarkTurquoise" , PALETTERGB ( 0,206,209)},
652 {"medium turquoise" , PALETTERGB ( 72,209,204)},
653 {"MediumTurquoise" , PALETTERGB ( 72,209,204)},
654 {"turquoise" , PALETTERGB ( 64,224,208)},
655 {"cyan" , PALETTERGB ( 0,255,255)},
656 {"light cyan" , PALETTERGB (224,255,255)},
657 {"LightCyan" , PALETTERGB (224,255,255)},
658 {"cadet blue" , PALETTERGB ( 95,158,160)},
659 {"CadetBlue" , PALETTERGB ( 95,158,160)},
660 {"medium aquamarine" , PALETTERGB (102,205,170)},
661 {"MediumAquamarine" , PALETTERGB (102,205,170)},
662 {"aquamarine" , PALETTERGB (127,255,212)},
663 {"dark green" , PALETTERGB ( 0,100, 0)},
664 {"DarkGreen" , PALETTERGB ( 0,100, 0)},
665 {"dark olive green" , PALETTERGB ( 85,107, 47)},
666 {"DarkOliveGreen" , PALETTERGB ( 85,107, 47)},
667 {"dark sea green" , PALETTERGB (143,188,143)},
668 {"DarkSeaGreen" , PALETTERGB (143,188,143)},
669 {"sea green" , PALETTERGB ( 46,139, 87)},
670 {"SeaGreen" , PALETTERGB ( 46,139, 87)},
671 {"medium sea green" , PALETTERGB ( 60,179,113)},
672 {"MediumSeaGreen" , PALETTERGB ( 60,179,113)},
673 {"light sea green" , PALETTERGB ( 32,178,170)},
674 {"LightSeaGreen" , PALETTERGB ( 32,178,170)},
675 {"pale green" , PALETTERGB (152,251,152)},
676 {"PaleGreen" , PALETTERGB (152,251,152)},
677 {"spring green" , PALETTERGB ( 0,255,127)},
678 {"SpringGreen" , PALETTERGB ( 0,255,127)},
679 {"lawn green" , PALETTERGB (124,252, 0)},
680 {"LawnGreen" , PALETTERGB (124,252, 0)},
681 {"green" , PALETTERGB ( 0,255, 0)},
682 {"chartreuse" , PALETTERGB (127,255, 0)},
683 {"medium spring green" , PALETTERGB ( 0,250,154)},
684 {"MediumSpringGreen" , PALETTERGB ( 0,250,154)},
685 {"green yellow" , PALETTERGB (173,255, 47)},
686 {"GreenYellow" , PALETTERGB (173,255, 47)},
687 {"lime green" , PALETTERGB ( 50,205, 50)},
688 {"LimeGreen" , PALETTERGB ( 50,205, 50)},
689 {"yellow green" , PALETTERGB (154,205, 50)},
690 {"YellowGreen" , PALETTERGB (154,205, 50)},
691 {"forest green" , PALETTERGB ( 34,139, 34)},
692 {"ForestGreen" , PALETTERGB ( 34,139, 34)},
693 {"olive drab" , PALETTERGB (107,142, 35)},
694 {"OliveDrab" , PALETTERGB (107,142, 35)},
695 {"dark khaki" , PALETTERGB (189,183,107)},
696 {"DarkKhaki" , PALETTERGB (189,183,107)},
697 {"khaki" , PALETTERGB (240,230,140)},
698 {"pale goldenrod" , PALETTERGB (238,232,170)},
699 {"PaleGoldenrod" , PALETTERGB (238,232,170)},
700 {"light goldenrod yellow" , PALETTERGB (250,250,210)},
701 {"LightGoldenrodYellow" , PALETTERGB (250,250,210)},
702 {"light yellow" , PALETTERGB (255,255,224)},
703 {"LightYellow" , PALETTERGB (255,255,224)},
704 {"yellow" , PALETTERGB (255,255, 0)},
705 {"gold" , PALETTERGB (255,215, 0)},
706 {"light goldenrod" , PALETTERGB (238,221,130)},
707 {"LightGoldenrod" , PALETTERGB (238,221,130)},
708 {"goldenrod" , PALETTERGB (218,165, 32)},
709 {"dark goldenrod" , PALETTERGB (184,134, 11)},
710 {"DarkGoldenrod" , PALETTERGB (184,134, 11)},
711 {"rosy brown" , PALETTERGB (188,143,143)},
712 {"RosyBrown" , PALETTERGB (188,143,143)},
713 {"indian red" , PALETTERGB (205, 92, 92)},
714 {"IndianRed" , PALETTERGB (205, 92, 92)},
715 {"saddle brown" , PALETTERGB (139, 69, 19)},
716 {"SaddleBrown" , PALETTERGB (139, 69, 19)},
717 {"sienna" , PALETTERGB (160, 82, 45)},
718 {"peru" , PALETTERGB (205,133, 63)},
719 {"burlywood" , PALETTERGB (222,184,135)},
720 {"beige" , PALETTERGB (245,245,220)},
721 {"wheat" , PALETTERGB (245,222,179)},
722 {"sandy brown" , PALETTERGB (244,164, 96)},
723 {"SandyBrown" , PALETTERGB (244,164, 96)},
724 {"tan" , PALETTERGB (210,180,140)},
725 {"chocolate" , PALETTERGB (210,105, 30)},
726 {"firebrick" , PALETTERGB (178,34, 34)},
727 {"brown" , PALETTERGB (165,42, 42)},
728 {"dark salmon" , PALETTERGB (233,150,122)},
729 {"DarkSalmon" , PALETTERGB (233,150,122)},
730 {"salmon" , PALETTERGB (250,128,114)},
731 {"light salmon" , PALETTERGB (255,160,122)},
732 {"LightSalmon" , PALETTERGB (255,160,122)},
733 {"orange" , PALETTERGB (255,165, 0)},
734 {"dark orange" , PALETTERGB (255,140, 0)},
735 {"DarkOrange" , PALETTERGB (255,140, 0)},
736 {"coral" , PALETTERGB (255,127, 80)},
737 {"light coral" , PALETTERGB (240,128,128)},
738 {"LightCoral" , PALETTERGB (240,128,128)},
739 {"tomato" , PALETTERGB (255, 99, 71)},
740 {"orange red" , PALETTERGB (255, 69, 0)},
741 {"OrangeRed" , PALETTERGB (255, 69, 0)},
742 {"red" , PALETTERGB (255, 0, 0)},
743 {"hot pink" , PALETTERGB (255,105,180)},
744 {"HotPink" , PALETTERGB (255,105,180)},
745 {"deep pink" , PALETTERGB (255, 20,147)},
746 {"DeepPink" , PALETTERGB (255, 20,147)},
747 {"pink" , PALETTERGB (255,192,203)},
748 {"light pink" , PALETTERGB (255,182,193)},
749 {"LightPink" , PALETTERGB (255,182,193)},
750 {"pale violet red" , PALETTERGB (219,112,147)},
751 {"PaleVioletRed" , PALETTERGB (219,112,147)},
752 {"maroon" , PALETTERGB (176, 48, 96)},
753 {"medium violet red" , PALETTERGB (199, 21,133)},
754 {"MediumVioletRed" , PALETTERGB (199, 21,133)},
755 {"violet red" , PALETTERGB (208, 32,144)},
756 {"VioletRed" , PALETTERGB (208, 32,144)},
757 {"magenta" , PALETTERGB (255, 0,255)},
758 {"violet" , PALETTERGB (238,130,238)},
759 {"plum" , PALETTERGB (221,160,221)},
760 {"orchid" , PALETTERGB (218,112,214)},
761 {"medium orchid" , PALETTERGB (186, 85,211)},
762 {"MediumOrchid" , PALETTERGB (186, 85,211)},
763 {"dark orchid" , PALETTERGB (153, 50,204)},
764 {"DarkOrchid" , PALETTERGB (153, 50,204)},
765 {"dark violet" , PALETTERGB (148, 0,211)},
766 {"DarkViolet" , PALETTERGB (148, 0,211)},
767 {"blue violet" , PALETTERGB (138, 43,226)},
768 {"BlueViolet" , PALETTERGB (138, 43,226)},
769 {"purple" , PALETTERGB (160, 32,240)},
770 {"medium purple" , PALETTERGB (147,112,219)},
771 {"MediumPurple" , PALETTERGB (147,112,219)},
772 {"thistle" , PALETTERGB (216,191,216)},
773 {"gray0" , PALETTERGB ( 0, 0, 0)},
774 {"grey0" , PALETTERGB ( 0, 0, 0)},
775 {"dark grey" , PALETTERGB (169,169,169)},
776 {"DarkGrey" , PALETTERGB (169,169,169)},
777 {"dark gray" , PALETTERGB (169,169,169)},
778 {"DarkGray" , PALETTERGB (169,169,169)},
779 {"dark blue" , PALETTERGB ( 0, 0,139)},
780 {"DarkBlue" , PALETTERGB ( 0, 0,139)},
781 {"dark cyan" , PALETTERGB ( 0,139,139)},
782 {"DarkCyan" , PALETTERGB ( 0,139,139)},
783 {"dark magenta" , PALETTERGB (139, 0,139)},
784 {"DarkMagenta" , PALETTERGB (139, 0,139)},
785 {"dark red" , PALETTERGB (139, 0, 0)},
786 {"DarkRed" , PALETTERGB (139, 0, 0)},
787 {"light green" , PALETTERGB (144,238,144)},
788 {"LightGreen" , PALETTERGB (144,238,144)},
789 };
790
791 DEFUN ("w32-default-color-map", Fw32_default_color_map, Sw32_default_color_map,
792 0, 0, 0, doc: /* Return the default color map. */)
793 ()
794 {
795 int i;
796 colormap_t *pc = w32_color_map;
797 Lisp_Object cmap;
798
799 BLOCK_INPUT;
800
801 cmap = Qnil;
802
803 for (i = 0; i < sizeof (w32_color_map) / sizeof (w32_color_map[0]);
804 pc++, i++)
805 cmap = Fcons (Fcons (build_string (pc->name),
806 make_number (pc->colorref)),
807 cmap);
808
809 UNBLOCK_INPUT;
810
811 return (cmap);
812 }
813
814 Lisp_Object
815 w32_to_x_color (rgb)
816 Lisp_Object rgb;
817 {
818 Lisp_Object color;
819
820 CHECK_NUMBER (rgb);
821
822 BLOCK_INPUT;
823
824 color = Frassq (rgb, Vw32_color_map);
825
826 UNBLOCK_INPUT;
827
828 if (!NILP (color))
829 return (Fcar (color));
830 else
831 return Qnil;
832 }
833
834 static Lisp_Object
835 w32_color_map_lookup (colorname)
836 char *colorname;
837 {
838 Lisp_Object tail, ret = Qnil;
839
840 BLOCK_INPUT;
841
842 for (tail = Vw32_color_map; !NILP (tail); tail = Fcdr (tail))
843 {
844 register Lisp_Object elt, tem;
845
846 elt = Fcar (tail);
847 if (!CONSP (elt)) continue;
848
849 tem = Fcar (elt);
850
851 if (lstrcmpi (SDATA (tem), colorname) == 0)
852 {
853 ret = Fcdr (elt);
854 break;
855 }
856
857 QUIT;
858 }
859
860
861 UNBLOCK_INPUT;
862
863 return ret;
864 }
865
866
867 static void
868 add_system_logical_colors_to_map (system_colors)
869 Lisp_Object *system_colors;
870 {
871 HKEY colors_key;
872
873 /* Other registry operations are done with input blocked. */
874 BLOCK_INPUT;
875
876 /* Look for "Control Panel/Colors" under User and Machine registry
877 settings. */
878 if (RegOpenKeyEx (HKEY_CURRENT_USER, "Control Panel\\Colors", 0,
879 KEY_READ, &colors_key) == ERROR_SUCCESS
880 || RegOpenKeyEx (HKEY_LOCAL_MACHINE, "Control Panel\\Colors", 0,
881 KEY_READ, &colors_key) == ERROR_SUCCESS)
882 {
883 /* List all keys. */
884 char color_buffer[64];
885 char full_name_buffer[MAX_PATH + SYSTEM_COLOR_PREFIX_LEN];
886 int index = 0;
887 DWORD name_size, color_size;
888 char *name_buffer = full_name_buffer + SYSTEM_COLOR_PREFIX_LEN;
889
890 name_size = sizeof (full_name_buffer) - SYSTEM_COLOR_PREFIX_LEN;
891 color_size = sizeof (color_buffer);
892
893 strcpy (full_name_buffer, SYSTEM_COLOR_PREFIX);
894
895 while (RegEnumValueA (colors_key, index, name_buffer, &name_size,
896 NULL, NULL, color_buffer, &color_size)
897 == ERROR_SUCCESS)
898 {
899 int r, g, b;
900 if (sscanf (color_buffer, " %u %u %u", &r, &g, &b) == 3)
901 *system_colors = Fcons (Fcons (build_string (full_name_buffer),
902 make_number (RGB (r, g, b))),
903 *system_colors);
904
905 name_size = sizeof (full_name_buffer) - SYSTEM_COLOR_PREFIX_LEN;
906 color_size = sizeof (color_buffer);
907 index++;
908 }
909 RegCloseKey (colors_key);
910 }
911
912 UNBLOCK_INPUT;
913 }
914
915
916 static Lisp_Object
917 x_to_w32_color (colorname)
918 char * colorname;
919 {
920 register Lisp_Object ret = Qnil;
921
922 BLOCK_INPUT;
923
924 if (colorname[0] == '#')
925 {
926 /* Could be an old-style RGB Device specification. */
927 char *color;
928 int size;
929 color = colorname + 1;
930
931 size = strlen(color);
932 if (size == 3 || size == 6 || size == 9 || size == 12)
933 {
934 UINT colorval;
935 int i, pos;
936 pos = 0;
937 size /= 3;
938 colorval = 0;
939
940 for (i = 0; i < 3; i++)
941 {
942 char *end;
943 char t;
944 unsigned long value;
945
946 /* The check for 'x' in the following conditional takes into
947 account the fact that strtol allows a "0x" in front of
948 our numbers, and we don't. */
949 if (!isxdigit(color[0]) || color[1] == 'x')
950 break;
951 t = color[size];
952 color[size] = '\0';
953 value = strtoul(color, &end, 16);
954 color[size] = t;
955 if (errno == ERANGE || end - color != size)
956 break;
957 switch (size)
958 {
959 case 1:
960 value = value * 0x10;
961 break;
962 case 2:
963 break;
964 case 3:
965 value /= 0x10;
966 break;
967 case 4:
968 value /= 0x100;
969 break;
970 }
971 colorval |= (value << pos);
972 pos += 0x8;
973 if (i == 2)
974 {
975 UNBLOCK_INPUT;
976 XSETINT (ret, colorval);
977 return ret;
978 }
979 color = end;
980 }
981 }
982 }
983 else if (strnicmp(colorname, "rgb:", 4) == 0)
984 {
985 char *color;
986 UINT colorval;
987 int i, pos;
988 pos = 0;
989
990 colorval = 0;
991 color = colorname + 4;
992 for (i = 0; i < 3; i++)
993 {
994 char *end;
995 unsigned long value;
996
997 /* The check for 'x' in the following conditional takes into
998 account the fact that strtol allows a "0x" in front of
999 our numbers, and we don't. */
1000 if (!isxdigit(color[0]) || color[1] == 'x')
1001 break;
1002 value = strtoul(color, &end, 16);
1003 if (errno == ERANGE)
1004 break;
1005 switch (end - color)
1006 {
1007 case 1:
1008 value = value * 0x10 + value;
1009 break;
1010 case 2:
1011 break;
1012 case 3:
1013 value /= 0x10;
1014 break;
1015 case 4:
1016 value /= 0x100;
1017 break;
1018 default:
1019 value = ULONG_MAX;
1020 }
1021 if (value == ULONG_MAX)
1022 break;
1023 colorval |= (value << pos);
1024 pos += 0x8;
1025 if (i == 2)
1026 {
1027 if (*end != '\0')
1028 break;
1029 UNBLOCK_INPUT;
1030 XSETINT (ret, colorval);
1031 return ret;
1032 }
1033 if (*end != '/')
1034 break;
1035 color = end + 1;
1036 }
1037 }
1038 else if (strnicmp(colorname, "rgbi:", 5) == 0)
1039 {
1040 /* This is an RGB Intensity specification. */
1041 char *color;
1042 UINT colorval;
1043 int i, pos;
1044 pos = 0;
1045
1046 colorval = 0;
1047 color = colorname + 5;
1048 for (i = 0; i < 3; i++)
1049 {
1050 char *end;
1051 double value;
1052 UINT val;
1053
1054 value = strtod(color, &end);
1055 if (errno == ERANGE)
1056 break;
1057 if (value < 0.0 || value > 1.0)
1058 break;
1059 val = (UINT)(0x100 * value);
1060 /* We used 0x100 instead of 0xFF to give a continuous
1061 range between 0.0 and 1.0 inclusive. The next statement
1062 fixes the 1.0 case. */
1063 if (val == 0x100)
1064 val = 0xFF;
1065 colorval |= (val << pos);
1066 pos += 0x8;
1067 if (i == 2)
1068 {
1069 if (*end != '\0')
1070 break;
1071 UNBLOCK_INPUT;
1072 XSETINT (ret, colorval);
1073 return ret;
1074 }
1075 if (*end != '/')
1076 break;
1077 color = end + 1;
1078 }
1079 }
1080 /* I am not going to attempt to handle any of the CIE color schemes
1081 or TekHVC, since I don't know the algorithms for conversion to
1082 RGB. */
1083
1084 /* If we fail to lookup the color name in w32_color_map, then check the
1085 colorname to see if it can be crudely approximated: If the X color
1086 ends in a number (e.g., "darkseagreen2"), strip the number and
1087 return the result of looking up the base color name. */
1088 ret = w32_color_map_lookup (colorname);
1089 if (NILP (ret))
1090 {
1091 int len = strlen (colorname);
1092
1093 if (isdigit (colorname[len - 1]))
1094 {
1095 char *ptr, *approx = alloca (len + 1);
1096
1097 strcpy (approx, colorname);
1098 ptr = &approx[len - 1];
1099 while (ptr > approx && isdigit (*ptr))
1100 *ptr-- = '\0';
1101
1102 ret = w32_color_map_lookup (approx);
1103 }
1104 }
1105
1106 UNBLOCK_INPUT;
1107 return ret;
1108 }
1109
1110 void
1111 w32_regenerate_palette (FRAME_PTR f)
1112 {
1113 struct w32_palette_entry * list;
1114 LOGPALETTE * log_palette;
1115 HPALETTE new_palette;
1116 int i;
1117
1118 /* don't bother trying to create palette if not supported */
1119 if (! FRAME_W32_DISPLAY_INFO (f)->has_palette)
1120 return;
1121
1122 log_palette = (LOGPALETTE *)
1123 alloca (sizeof (LOGPALETTE) +
1124 FRAME_W32_DISPLAY_INFO (f)->num_colors * sizeof (PALETTEENTRY));
1125 log_palette->palVersion = 0x300;
1126 log_palette->palNumEntries = FRAME_W32_DISPLAY_INFO (f)->num_colors;
1127
1128 list = FRAME_W32_DISPLAY_INFO (f)->color_list;
1129 for (i = 0;
1130 i < FRAME_W32_DISPLAY_INFO (f)->num_colors;
1131 i++, list = list->next)
1132 log_palette->palPalEntry[i] = list->entry;
1133
1134 new_palette = CreatePalette (log_palette);
1135
1136 enter_crit ();
1137
1138 if (FRAME_W32_DISPLAY_INFO (f)->palette)
1139 DeleteObject (FRAME_W32_DISPLAY_INFO (f)->palette);
1140 FRAME_W32_DISPLAY_INFO (f)->palette = new_palette;
1141
1142 /* Realize display palette and garbage all frames. */
1143 release_frame_dc (f, get_frame_dc (f));
1144
1145 leave_crit ();
1146 }
1147
1148 #define W32_COLOR(pe) RGB (pe.peRed, pe.peGreen, pe.peBlue)
1149 #define SET_W32_COLOR(pe, color) \
1150 do \
1151 { \
1152 pe.peRed = GetRValue (color); \
1153 pe.peGreen = GetGValue (color); \
1154 pe.peBlue = GetBValue (color); \
1155 pe.peFlags = 0; \
1156 } while (0)
1157
1158 #if 0
1159 /* Keep these around in case we ever want to track color usage. */
1160 void
1161 w32_map_color (FRAME_PTR f, COLORREF color)
1162 {
1163 struct w32_palette_entry * list = FRAME_W32_DISPLAY_INFO (f)->color_list;
1164
1165 if (NILP (Vw32_enable_palette))
1166 return;
1167
1168 /* check if color is already mapped */
1169 while (list)
1170 {
1171 if (W32_COLOR (list->entry) == color)
1172 {
1173 ++list->refcount;
1174 return;
1175 }
1176 list = list->next;
1177 }
1178
1179 /* not already mapped, so add to list and recreate Windows palette */
1180 list = (struct w32_palette_entry *)
1181 xmalloc (sizeof (struct w32_palette_entry));
1182 SET_W32_COLOR (list->entry, color);
1183 list->refcount = 1;
1184 list->next = FRAME_W32_DISPLAY_INFO (f)->color_list;
1185 FRAME_W32_DISPLAY_INFO (f)->color_list = list;
1186 FRAME_W32_DISPLAY_INFO (f)->num_colors++;
1187
1188 /* set flag that palette must be regenerated */
1189 FRAME_W32_DISPLAY_INFO (f)->regen_palette = TRUE;
1190 }
1191
1192 void
1193 w32_unmap_color (FRAME_PTR f, COLORREF color)
1194 {
1195 struct w32_palette_entry * list = FRAME_W32_DISPLAY_INFO (f)->color_list;
1196 struct w32_palette_entry **prev = &FRAME_W32_DISPLAY_INFO (f)->color_list;
1197
1198 if (NILP (Vw32_enable_palette))
1199 return;
1200
1201 /* check if color is already mapped */
1202 while (list)
1203 {
1204 if (W32_COLOR (list->entry) == color)
1205 {
1206 if (--list->refcount == 0)
1207 {
1208 *prev = list->next;
1209 xfree (list);
1210 FRAME_W32_DISPLAY_INFO (f)->num_colors--;
1211 break;
1212 }
1213 else
1214 return;
1215 }
1216 prev = &list->next;
1217 list = list->next;
1218 }
1219
1220 /* set flag that palette must be regenerated */
1221 FRAME_W32_DISPLAY_INFO (f)->regen_palette = TRUE;
1222 }
1223 #endif
1224
1225
1226 /* Gamma-correct COLOR on frame F. */
1227
1228 void
1229 gamma_correct (f, color)
1230 struct frame *f;
1231 COLORREF *color;
1232 {
1233 if (f->gamma)
1234 {
1235 *color = PALETTERGB (
1236 pow (GetRValue (*color) / 255.0, f->gamma) * 255.0 + 0.5,
1237 pow (GetGValue (*color) / 255.0, f->gamma) * 255.0 + 0.5,
1238 pow (GetBValue (*color) / 255.0, f->gamma) * 255.0 + 0.5);
1239 }
1240 }
1241
1242
1243 /* Decide if color named COLOR is valid for the display associated with
1244 the selected frame; if so, return the rgb values in COLOR_DEF.
1245 If ALLOC is nonzero, allocate a new colormap cell. */
1246
1247 int
1248 w32_defined_color (f, color, color_def, alloc)
1249 FRAME_PTR f;
1250 char *color;
1251 XColor *color_def;
1252 int alloc;
1253 {
1254 register Lisp_Object tem;
1255 COLORREF w32_color_ref;
1256
1257 tem = x_to_w32_color (color);
1258
1259 if (!NILP (tem))
1260 {
1261 if (f)
1262 {
1263 /* Apply gamma correction. */
1264 w32_color_ref = XUINT (tem);
1265 gamma_correct (f, &w32_color_ref);
1266 XSETINT (tem, w32_color_ref);
1267 }
1268
1269 /* Map this color to the palette if it is enabled. */
1270 if (!NILP (Vw32_enable_palette))
1271 {
1272 struct w32_palette_entry * entry =
1273 one_w32_display_info.color_list;
1274 struct w32_palette_entry ** prev =
1275 &one_w32_display_info.color_list;
1276
1277 /* check if color is already mapped */
1278 while (entry)
1279 {
1280 if (W32_COLOR (entry->entry) == XUINT (tem))
1281 break;
1282 prev = &entry->next;
1283 entry = entry->next;
1284 }
1285
1286 if (entry == NULL && alloc)
1287 {
1288 /* not already mapped, so add to list */
1289 entry = (struct w32_palette_entry *)
1290 xmalloc (sizeof (struct w32_palette_entry));
1291 SET_W32_COLOR (entry->entry, XUINT (tem));
1292 entry->next = NULL;
1293 *prev = entry;
1294 one_w32_display_info.num_colors++;
1295
1296 /* set flag that palette must be regenerated */
1297 one_w32_display_info.regen_palette = TRUE;
1298 }
1299 }
1300 /* Ensure COLORREF value is snapped to nearest color in (default)
1301 palette by simulating the PALETTERGB macro. This works whether
1302 or not the display device has a palette. */
1303 w32_color_ref = XUINT (tem) | 0x2000000;
1304
1305 color_def->pixel = w32_color_ref;
1306 color_def->red = GetRValue (w32_color_ref) * 256;
1307 color_def->green = GetGValue (w32_color_ref) * 256;
1308 color_def->blue = GetBValue (w32_color_ref) * 256;
1309
1310 return 1;
1311 }
1312 else
1313 {
1314 return 0;
1315 }
1316 }
1317
1318 /* Given a string ARG naming a color, compute a pixel value from it
1319 suitable for screen F.
1320 If F is not a color screen, return DEF (default) regardless of what
1321 ARG says. */
1322
1323 int
1324 x_decode_color (f, arg, def)
1325 FRAME_PTR f;
1326 Lisp_Object arg;
1327 int def;
1328 {
1329 XColor cdef;
1330
1331 CHECK_STRING (arg);
1332
1333 if (strcmp (SDATA (arg), "black") == 0)
1334 return BLACK_PIX_DEFAULT (f);
1335 else if (strcmp (SDATA (arg), "white") == 0)
1336 return WHITE_PIX_DEFAULT (f);
1337
1338 if ((FRAME_W32_DISPLAY_INFO (f)->n_planes * FRAME_W32_DISPLAY_INFO (f)->n_cbits) == 1)
1339 return def;
1340
1341 /* w32_defined_color is responsible for coping with failures
1342 by looking for a near-miss. */
1343 if (w32_defined_color (f, SDATA (arg), &cdef, 1))
1344 return cdef.pixel;
1345
1346 /* defined_color failed; return an ultimate default. */
1347 return def;
1348 }
1349 \f
1350
1351
1352 /* Functions called only from `x_set_frame_param'
1353 to set individual parameters.
1354
1355 If FRAME_W32_WINDOW (f) is 0,
1356 the frame is being created and its window does not exist yet.
1357 In that case, just record the parameter's new value
1358 in the standard place; do not attempt to change the window. */
1359
1360 void
1361 x_set_foreground_color (f, arg, oldval)
1362 struct frame *f;
1363 Lisp_Object arg, oldval;
1364 {
1365 struct w32_output *x = f->output_data.w32;
1366 PIX_TYPE fg, old_fg;
1367
1368 fg = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f));
1369 old_fg = FRAME_FOREGROUND_PIXEL (f);
1370 FRAME_FOREGROUND_PIXEL (f) = fg;
1371
1372 if (FRAME_W32_WINDOW (f) != 0)
1373 {
1374 if (x->cursor_pixel == old_fg)
1375 x->cursor_pixel = fg;
1376
1377 update_face_from_frame_parameter (f, Qforeground_color, arg);
1378 if (FRAME_VISIBLE_P (f))
1379 redraw_frame (f);
1380 }
1381 }
1382
1383 void
1384 x_set_background_color (f, arg, oldval)
1385 struct frame *f;
1386 Lisp_Object arg, oldval;
1387 {
1388 FRAME_BACKGROUND_PIXEL (f)
1389 = x_decode_color (f, arg, WHITE_PIX_DEFAULT (f));
1390
1391 if (FRAME_W32_WINDOW (f) != 0)
1392 {
1393 SetWindowLong (FRAME_W32_WINDOW (f), WND_BACKGROUND_INDEX,
1394 FRAME_BACKGROUND_PIXEL (f));
1395
1396 update_face_from_frame_parameter (f, Qbackground_color, arg);
1397
1398 if (FRAME_VISIBLE_P (f))
1399 redraw_frame (f);
1400 }
1401 }
1402
1403 void
1404 x_set_mouse_color (f, arg, oldval)
1405 struct frame *f;
1406 Lisp_Object arg, oldval;
1407 {
1408 Cursor cursor, nontext_cursor, mode_cursor, hand_cursor;
1409 int count;
1410 int mask_color;
1411
1412 if (!EQ (Qnil, arg))
1413 f->output_data.w32->mouse_pixel
1414 = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f));
1415 mask_color = FRAME_BACKGROUND_PIXEL (f);
1416
1417 /* Don't let pointers be invisible. */
1418 if (mask_color == f->output_data.w32->mouse_pixel
1419 && mask_color == FRAME_BACKGROUND_PIXEL (f))
1420 f->output_data.w32->mouse_pixel = FRAME_FOREGROUND_PIXEL (f);
1421
1422 #if 0 /* TODO : cursor changes */
1423 BLOCK_INPUT;
1424
1425 /* It's not okay to crash if the user selects a screwy cursor. */
1426 count = x_catch_errors (FRAME_W32_DISPLAY (f));
1427
1428 if (!EQ (Qnil, Vx_pointer_shape))
1429 {
1430 CHECK_NUMBER (Vx_pointer_shape);
1431 cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XINT (Vx_pointer_shape));
1432 }
1433 else
1434 cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XC_xterm);
1435 x_check_errors (FRAME_W32_DISPLAY (f), "bad text pointer cursor: %s");
1436
1437 if (!EQ (Qnil, Vx_nontext_pointer_shape))
1438 {
1439 CHECK_NUMBER (Vx_nontext_pointer_shape);
1440 nontext_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f),
1441 XINT (Vx_nontext_pointer_shape));
1442 }
1443 else
1444 nontext_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XC_left_ptr);
1445 x_check_errors (FRAME_W32_DISPLAY (f), "bad nontext pointer cursor: %s");
1446
1447 if (!EQ (Qnil, Vx_hourglass_pointer_shape))
1448 {
1449 CHECK_NUMBER (Vx_hourglass_pointer_shape);
1450 hourglass_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f),
1451 XINT (Vx_hourglass_pointer_shape));
1452 }
1453 else
1454 hourglass_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XC_watch);
1455 x_check_errors (FRAME_W32_DISPLAY (f), "bad busy pointer cursor: %s");
1456
1457 x_check_errors (FRAME_W32_DISPLAY (f), "bad nontext pointer cursor: %s");
1458 if (!EQ (Qnil, Vx_mode_pointer_shape))
1459 {
1460 CHECK_NUMBER (Vx_mode_pointer_shape);
1461 mode_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f),
1462 XINT (Vx_mode_pointer_shape));
1463 }
1464 else
1465 mode_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XC_xterm);
1466 x_check_errors (FRAME_W32_DISPLAY (f), "bad modeline pointer cursor: %s");
1467
1468 if (!EQ (Qnil, Vx_sensitive_text_pointer_shape))
1469 {
1470 CHECK_NUMBER (Vx_sensitive_text_pointer_shape);
1471 hand_cursor
1472 = XCreateFontCursor (FRAME_W32_DISPLAY (f),
1473 XINT (Vx_sensitive_text_pointer_shape));
1474 }
1475 else
1476 hand_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XC_crosshair);
1477
1478 if (!NILP (Vx_window_horizontal_drag_shape))
1479 {
1480 CHECK_NUMBER (Vx_window_horizontal_drag_shape);
1481 horizontal_drag_cursor
1482 = XCreateFontCursor (FRAME_X_DISPLAY (f),
1483 XINT (Vx_window_horizontal_drag_shape));
1484 }
1485 else
1486 horizontal_drag_cursor
1487 = XCreateFontCursor (FRAME_X_DISPLAY (f), XC_sb_h_double_arrow);
1488
1489 /* Check and report errors with the above calls. */
1490 x_check_errors (FRAME_W32_DISPLAY (f), "can't set cursor shape: %s");
1491 x_uncatch_errors (FRAME_W32_DISPLAY (f), count);
1492
1493 {
1494 XColor fore_color, back_color;
1495
1496 fore_color.pixel = f->output_data.w32->mouse_pixel;
1497 back_color.pixel = mask_color;
1498 XQueryColor (FRAME_W32_DISPLAY (f),
1499 DefaultColormap (FRAME_W32_DISPLAY (f),
1500 DefaultScreen (FRAME_W32_DISPLAY (f))),
1501 &fore_color);
1502 XQueryColor (FRAME_W32_DISPLAY (f),
1503 DefaultColormap (FRAME_W32_DISPLAY (f),
1504 DefaultScreen (FRAME_W32_DISPLAY (f))),
1505 &back_color);
1506 XRecolorCursor (FRAME_W32_DISPLAY (f), cursor,
1507 &fore_color, &back_color);
1508 XRecolorCursor (FRAME_W32_DISPLAY (f), nontext_cursor,
1509 &fore_color, &back_color);
1510 XRecolorCursor (FRAME_W32_DISPLAY (f), mode_cursor,
1511 &fore_color, &back_color);
1512 XRecolorCursor (FRAME_W32_DISPLAY (f), hand_cursor,
1513 &fore_color, &back_color);
1514 XRecolorCursor (FRAME_W32_DISPLAY (f), hourglass_cursor,
1515 &fore_color, &back_color);
1516 }
1517
1518 if (FRAME_W32_WINDOW (f) != 0)
1519 XDefineCursor (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f), cursor);
1520
1521 if (cursor != f->output_data.w32->text_cursor && f->output_data.w32->text_cursor != 0)
1522 XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->text_cursor);
1523 f->output_data.w32->text_cursor = cursor;
1524
1525 if (nontext_cursor != f->output_data.w32->nontext_cursor
1526 && f->output_data.w32->nontext_cursor != 0)
1527 XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->nontext_cursor);
1528 f->output_data.w32->nontext_cursor = nontext_cursor;
1529
1530 if (hourglass_cursor != f->output_data.w32->hourglass_cursor
1531 && f->output_data.w32->hourglass_cursor != 0)
1532 XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->hourglass_cursor);
1533 f->output_data.w32->hourglass_cursor = hourglass_cursor;
1534
1535 if (mode_cursor != f->output_data.w32->modeline_cursor
1536 && f->output_data.w32->modeline_cursor != 0)
1537 XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->modeline_cursor);
1538 f->output_data.w32->modeline_cursor = mode_cursor;
1539
1540 if (hand_cursor != f->output_data.w32->hand_cursor
1541 && f->output_data.w32->hand_cursor != 0)
1542 XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->hand_cursor);
1543 f->output_data.w32->hand_cursor = hand_cursor;
1544
1545 XFlush (FRAME_W32_DISPLAY (f));
1546 UNBLOCK_INPUT;
1547
1548 update_face_from_frame_parameter (f, Qmouse_color, arg);
1549 #endif /* TODO */
1550 }
1551
1552 /* Defined in w32term.c. */
1553 void
1554 x_set_cursor_color (f, arg, oldval)
1555 struct frame *f;
1556 Lisp_Object arg, oldval;
1557 {
1558 unsigned long fore_pixel, pixel;
1559
1560 if (!NILP (Vx_cursor_fore_pixel))
1561 fore_pixel = x_decode_color (f, Vx_cursor_fore_pixel,
1562 WHITE_PIX_DEFAULT (f));
1563 else
1564 fore_pixel = FRAME_BACKGROUND_PIXEL (f);
1565
1566 pixel = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f));
1567
1568 /* Make sure that the cursor color differs from the background color. */
1569 if (pixel == FRAME_BACKGROUND_PIXEL (f))
1570 {
1571 pixel = f->output_data.w32->mouse_pixel;
1572 if (pixel == fore_pixel)
1573 fore_pixel = FRAME_BACKGROUND_PIXEL (f);
1574 }
1575
1576 f->output_data.w32->cursor_foreground_pixel = fore_pixel;
1577 f->output_data.w32->cursor_pixel = pixel;
1578
1579 if (FRAME_W32_WINDOW (f) != 0)
1580 {
1581 BLOCK_INPUT;
1582 /* Update frame's cursor_gc. */
1583 f->output_data.w32->cursor_gc->foreground = fore_pixel;
1584 f->output_data.w32->cursor_gc->background = pixel;
1585
1586 UNBLOCK_INPUT;
1587
1588 if (FRAME_VISIBLE_P (f))
1589 {
1590 x_update_cursor (f, 0);
1591 x_update_cursor (f, 1);
1592 }
1593 }
1594
1595 update_face_from_frame_parameter (f, Qcursor_color, arg);
1596 }
1597
1598 /* Set the border-color of frame F to pixel value PIX.
1599 Note that this does not fully take effect if done before
1600 F has a window. */
1601
1602 void
1603 x_set_border_pixel (f, pix)
1604 struct frame *f;
1605 int pix;
1606 {
1607
1608 f->output_data.w32->border_pixel = pix;
1609
1610 if (FRAME_W32_WINDOW (f) != 0 && f->border_width > 0)
1611 {
1612 if (FRAME_VISIBLE_P (f))
1613 redraw_frame (f);
1614 }
1615 }
1616
1617 /* Set the border-color of frame F to value described by ARG.
1618 ARG can be a string naming a color.
1619 The border-color is used for the border that is drawn by the server.
1620 Note that this does not fully take effect if done before
1621 F has a window; it must be redone when the window is created. */
1622
1623 void
1624 x_set_border_color (f, arg, oldval)
1625 struct frame *f;
1626 Lisp_Object arg, oldval;
1627 {
1628 int pix;
1629
1630 CHECK_STRING (arg);
1631 pix = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f));
1632 x_set_border_pixel (f, pix);
1633 update_face_from_frame_parameter (f, Qborder_color, arg);
1634 }
1635
1636
1637 void
1638 x_set_cursor_type (f, arg, oldval)
1639 FRAME_PTR f;
1640 Lisp_Object arg, oldval;
1641 {
1642 set_frame_cursor_types (f, arg);
1643
1644 /* Make sure the cursor gets redrawn. */
1645 cursor_type_changed = 1;
1646 }
1647 \f
1648 void
1649 x_set_icon_type (f, arg, oldval)
1650 struct frame *f;
1651 Lisp_Object arg, oldval;
1652 {
1653 int result;
1654
1655 if (NILP (arg) && NILP (oldval))
1656 return;
1657
1658 if (STRINGP (arg) && STRINGP (oldval)
1659 && EQ (Fstring_equal (oldval, arg), Qt))
1660 return;
1661
1662 if (SYMBOLP (arg) && SYMBOLP (oldval) && EQ (arg, oldval))
1663 return;
1664
1665 BLOCK_INPUT;
1666
1667 result = x_bitmap_icon (f, arg);
1668 if (result)
1669 {
1670 UNBLOCK_INPUT;
1671 error ("No icon window available");
1672 }
1673
1674 UNBLOCK_INPUT;
1675 }
1676
1677 void
1678 x_set_icon_name (f, arg, oldval)
1679 struct frame *f;
1680 Lisp_Object arg, oldval;
1681 {
1682 if (STRINGP (arg))
1683 {
1684 if (STRINGP (oldval) && EQ (Fstring_equal (oldval, arg), Qt))
1685 return;
1686 }
1687 else if (!STRINGP (oldval) && EQ (oldval, Qnil) == EQ (arg, Qnil))
1688 return;
1689
1690 f->icon_name = arg;
1691
1692 #if 0
1693 if (f->output_data.w32->icon_bitmap != 0)
1694 return;
1695
1696 BLOCK_INPUT;
1697
1698 result = x_text_icon (f,
1699 (char *) SDATA ((!NILP (f->icon_name)
1700 ? f->icon_name
1701 : !NILP (f->title)
1702 ? f->title
1703 : f->name)));
1704
1705 if (result)
1706 {
1707 UNBLOCK_INPUT;
1708 error ("No icon window available");
1709 }
1710
1711 /* If the window was unmapped (and its icon was mapped),
1712 the new icon is not mapped, so map the window in its stead. */
1713 if (FRAME_VISIBLE_P (f))
1714 {
1715 #ifdef USE_X_TOOLKIT
1716 XtPopup (f->output_data.w32->widget, XtGrabNone);
1717 #endif
1718 XMapWindow (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f));
1719 }
1720
1721 XFlush (FRAME_W32_DISPLAY (f));
1722 UNBLOCK_INPUT;
1723 #endif
1724 }
1725
1726 \f
1727 void
1728 x_set_menu_bar_lines (f, value, oldval)
1729 struct frame *f;
1730 Lisp_Object value, oldval;
1731 {
1732 int nlines;
1733 int olines = FRAME_MENU_BAR_LINES (f);
1734
1735 /* Right now, menu bars don't work properly in minibuf-only frames;
1736 most of the commands try to apply themselves to the minibuffer
1737 frame itself, and get an error because you can't switch buffers
1738 in or split the minibuffer window. */
1739 if (FRAME_MINIBUF_ONLY_P (f))
1740 return;
1741
1742 if (INTEGERP (value))
1743 nlines = XINT (value);
1744 else
1745 nlines = 0;
1746
1747 FRAME_MENU_BAR_LINES (f) = 0;
1748 if (nlines)
1749 FRAME_EXTERNAL_MENU_BAR (f) = 1;
1750 else
1751 {
1752 if (FRAME_EXTERNAL_MENU_BAR (f) == 1)
1753 free_frame_menubar (f);
1754 FRAME_EXTERNAL_MENU_BAR (f) = 0;
1755
1756 /* Adjust the frame size so that the client (text) dimensions
1757 remain the same. This depends on FRAME_EXTERNAL_MENU_BAR being
1758 set correctly. */
1759 x_set_window_size (f, 0, FRAME_COLS (f), FRAME_LINES (f));
1760 do_pending_window_change (0);
1761 }
1762 adjust_glyphs (f);
1763 }
1764
1765
1766 /* Set the number of lines used for the tool bar of frame F to VALUE.
1767 VALUE not an integer, or < 0 means set the lines to zero. OLDVAL
1768 is the old number of tool bar lines. This function changes the
1769 height of all windows on frame F to match the new tool bar height.
1770 The frame's height doesn't change. */
1771
1772 void
1773 x_set_tool_bar_lines (f, value, oldval)
1774 struct frame *f;
1775 Lisp_Object value, oldval;
1776 {
1777 int delta, nlines, root_height;
1778 Lisp_Object root_window;
1779
1780 /* Treat tool bars like menu bars. */
1781 if (FRAME_MINIBUF_ONLY_P (f))
1782 return;
1783
1784 /* Use VALUE only if an integer >= 0. */
1785 if (INTEGERP (value) && XINT (value) >= 0)
1786 nlines = XFASTINT (value);
1787 else
1788 nlines = 0;
1789
1790 /* Make sure we redisplay all windows in this frame. */
1791 ++windows_or_buffers_changed;
1792
1793 delta = nlines - FRAME_TOOL_BAR_LINES (f);
1794
1795 /* Don't resize the tool-bar to more than we have room for. */
1796 root_window = FRAME_ROOT_WINDOW (f);
1797 root_height = WINDOW_TOTAL_LINES (XWINDOW (root_window));
1798 if (root_height - delta < 1)
1799 {
1800 delta = root_height - 1;
1801 nlines = FRAME_TOOL_BAR_LINES (f) + delta;
1802 }
1803
1804 FRAME_TOOL_BAR_LINES (f) = nlines;
1805 change_window_heights (root_window, delta);
1806 adjust_glyphs (f);
1807
1808 /* We also have to make sure that the internal border at the top of
1809 the frame, below the menu bar or tool bar, is redrawn when the
1810 tool bar disappears. This is so because the internal border is
1811 below the tool bar if one is displayed, but is below the menu bar
1812 if there isn't a tool bar. The tool bar draws into the area
1813 below the menu bar. */
1814 if (FRAME_W32_WINDOW (f) && FRAME_TOOL_BAR_LINES (f) == 0)
1815 {
1816 updating_frame = f;
1817 clear_frame ();
1818 clear_current_matrices (f);
1819 updating_frame = NULL;
1820 }
1821
1822 /* If the tool bar gets smaller, the internal border below it
1823 has to be cleared. It was formerly part of the display
1824 of the larger tool bar, and updating windows won't clear it. */
1825 if (delta < 0)
1826 {
1827 int height = FRAME_INTERNAL_BORDER_WIDTH (f);
1828 int width = FRAME_PIXEL_WIDTH (f);
1829 int y = nlines * FRAME_LINE_HEIGHT (f);
1830
1831 BLOCK_INPUT;
1832 {
1833 HDC hdc = get_frame_dc (f);
1834 w32_clear_area (f, hdc, 0, y, width, height);
1835 release_frame_dc (f, hdc);
1836 }
1837 UNBLOCK_INPUT;
1838
1839 if (WINDOWP (f->tool_bar_window))
1840 clear_glyph_matrix (XWINDOW (f->tool_bar_window)->current_matrix);
1841 }
1842 }
1843
1844
1845 /* Change the name of frame F to NAME. If NAME is nil, set F's name to
1846 w32_id_name.
1847
1848 If EXPLICIT is non-zero, that indicates that lisp code is setting the
1849 name; if NAME is a string, set F's name to NAME and set
1850 F->explicit_name; if NAME is Qnil, then clear F->explicit_name.
1851
1852 If EXPLICIT is zero, that indicates that Emacs redisplay code is
1853 suggesting a new name, which lisp code should override; if
1854 F->explicit_name is set, ignore the new name; otherwise, set it. */
1855
1856 void
1857 x_set_name (f, name, explicit)
1858 struct frame *f;
1859 Lisp_Object name;
1860 int explicit;
1861 {
1862 /* Make sure that requests from lisp code override requests from
1863 Emacs redisplay code. */
1864 if (explicit)
1865 {
1866 /* If we're switching from explicit to implicit, we had better
1867 update the mode lines and thereby update the title. */
1868 if (f->explicit_name && NILP (name))
1869 update_mode_lines = 1;
1870
1871 f->explicit_name = ! NILP (name);
1872 }
1873 else if (f->explicit_name)
1874 return;
1875
1876 /* If NAME is nil, set the name to the w32_id_name. */
1877 if (NILP (name))
1878 {
1879 /* Check for no change needed in this very common case
1880 before we do any consing. */
1881 if (!strcmp (FRAME_W32_DISPLAY_INFO (f)->w32_id_name,
1882 SDATA (f->name)))
1883 return;
1884 name = build_string (FRAME_W32_DISPLAY_INFO (f)->w32_id_name);
1885 }
1886 else
1887 CHECK_STRING (name);
1888
1889 /* Don't change the name if it's already NAME. */
1890 if (! NILP (Fstring_equal (name, f->name)))
1891 return;
1892
1893 f->name = name;
1894
1895 /* For setting the frame title, the title parameter should override
1896 the name parameter. */
1897 if (! NILP (f->title))
1898 name = f->title;
1899
1900 if (FRAME_W32_WINDOW (f))
1901 {
1902 if (STRING_MULTIBYTE (name))
1903 name = ENCODE_SYSTEM (name);
1904
1905 BLOCK_INPUT;
1906 SetWindowText(FRAME_W32_WINDOW (f), SDATA (name));
1907 UNBLOCK_INPUT;
1908 }
1909 }
1910
1911 /* This function should be called when the user's lisp code has
1912 specified a name for the frame; the name will override any set by the
1913 redisplay code. */
1914 void
1915 x_explicitly_set_name (f, arg, oldval)
1916 FRAME_PTR f;
1917 Lisp_Object arg, oldval;
1918 {
1919 x_set_name (f, arg, 1);
1920 }
1921
1922 /* This function should be called by Emacs redisplay code to set the
1923 name; names set this way will never override names set by the user's
1924 lisp code. */
1925 void
1926 x_implicitly_set_name (f, arg, oldval)
1927 FRAME_PTR f;
1928 Lisp_Object arg, oldval;
1929 {
1930 x_set_name (f, arg, 0);
1931 }
1932 \f
1933 /* Change the title of frame F to NAME.
1934 If NAME is nil, use the frame name as the title.
1935
1936 If EXPLICIT is non-zero, that indicates that lisp code is setting the
1937 name; if NAME is a string, set F's name to NAME and set
1938 F->explicit_name; if NAME is Qnil, then clear F->explicit_name.
1939
1940 If EXPLICIT is zero, that indicates that Emacs redisplay code is
1941 suggesting a new name, which lisp code should override; if
1942 F->explicit_name is set, ignore the new name; otherwise, set it. */
1943
1944 void
1945 x_set_title (f, name, old_name)
1946 struct frame *f;
1947 Lisp_Object name, old_name;
1948 {
1949 /* Don't change the title if it's already NAME. */
1950 if (EQ (name, f->title))
1951 return;
1952
1953 update_mode_lines = 1;
1954
1955 f->title = name;
1956
1957 if (NILP (name))
1958 name = f->name;
1959
1960 if (FRAME_W32_WINDOW (f))
1961 {
1962 if (STRING_MULTIBYTE (name))
1963 name = ENCODE_SYSTEM (name);
1964
1965 BLOCK_INPUT;
1966 SetWindowText(FRAME_W32_WINDOW (f), SDATA (name));
1967 UNBLOCK_INPUT;
1968 }
1969 }
1970
1971
1972 void x_set_scroll_bar_default_width (f)
1973 struct frame *f;
1974 {
1975 int wid = FRAME_COLUMN_WIDTH (f);
1976
1977 FRAME_CONFIG_SCROLL_BAR_WIDTH (f) = GetSystemMetrics (SM_CXVSCROLL);
1978 FRAME_CONFIG_SCROLL_BAR_COLS (f) = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f) +
1979 wid - 1) / wid;
1980 }
1981
1982 \f
1983 /* Subroutines of creating a frame. */
1984
1985
1986 /* Return the value of parameter PARAM.
1987
1988 First search ALIST, then Vdefault_frame_alist, then the X defaults
1989 database, using ATTRIBUTE as the attribute name and CLASS as its class.
1990
1991 Convert the resource to the type specified by desired_type.
1992
1993 If no default is specified, return Qunbound. If you call
1994 w32_get_arg, make sure you deal with Qunbound in a reasonable way,
1995 and don't let it get stored in any Lisp-visible variables! */
1996
1997 static Lisp_Object
1998 w32_get_arg (alist, param, attribute, class, type)
1999 Lisp_Object alist, param;
2000 char *attribute;
2001 char *class;
2002 enum resource_types type;
2003 {
2004 return x_get_arg (check_x_display_info (Qnil),
2005 alist, param, attribute, class, type);
2006 }
2007
2008 \f
2009 Cursor
2010 w32_load_cursor (LPCTSTR name)
2011 {
2012 /* Try first to load cursor from application resource. */
2013 Cursor cursor = LoadImage ((HINSTANCE) GetModuleHandle(NULL),
2014 name, IMAGE_CURSOR, 0, 0,
2015 LR_DEFAULTCOLOR | LR_DEFAULTSIZE | LR_SHARED);
2016 if (!cursor)
2017 {
2018 /* Then try to load a shared predefined cursor. */
2019 cursor = LoadImage (NULL, name, IMAGE_CURSOR, 0, 0,
2020 LR_DEFAULTCOLOR | LR_DEFAULTSIZE | LR_SHARED);
2021 }
2022 return cursor;
2023 }
2024
2025 extern LRESULT CALLBACK w32_wnd_proc ();
2026
2027 BOOL
2028 w32_init_class (hinst)
2029 HINSTANCE hinst;
2030 {
2031 WNDCLASS wc;
2032
2033 wc.style = CS_HREDRAW | CS_VREDRAW;
2034 wc.lpfnWndProc = (WNDPROC) w32_wnd_proc;
2035 wc.cbClsExtra = 0;
2036 wc.cbWndExtra = WND_EXTRA_BYTES;
2037 wc.hInstance = hinst;
2038 wc.hIcon = LoadIcon (hinst, EMACS_CLASS);
2039 wc.hCursor = w32_load_cursor (IDC_ARROW);
2040 wc.hbrBackground = NULL; /* GetStockObject (WHITE_BRUSH); */
2041 wc.lpszMenuName = NULL;
2042 wc.lpszClassName = EMACS_CLASS;
2043
2044 return (RegisterClass (&wc));
2045 }
2046
2047 HWND
2048 w32_createscrollbar (f, bar)
2049 struct frame *f;
2050 struct scroll_bar * bar;
2051 {
2052 return (CreateWindow ("SCROLLBAR", "", SBS_VERT | WS_CHILD | WS_VISIBLE,
2053 /* Position and size of scroll bar. */
2054 XINT(bar->left) + VERTICAL_SCROLL_BAR_WIDTH_TRIM,
2055 XINT(bar->top),
2056 XINT(bar->width) - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2,
2057 XINT(bar->height),
2058 FRAME_W32_WINDOW (f),
2059 NULL,
2060 hinst,
2061 NULL));
2062 }
2063
2064 void
2065 w32_createwindow (f)
2066 struct frame *f;
2067 {
2068 HWND hwnd;
2069 RECT rect;
2070
2071 rect.left = rect.top = 0;
2072 rect.right = FRAME_PIXEL_WIDTH (f);
2073 rect.bottom = FRAME_PIXEL_HEIGHT (f);
2074
2075 AdjustWindowRect (&rect, f->output_data.w32->dwStyle,
2076 FRAME_EXTERNAL_MENU_BAR (f));
2077
2078 /* Do first time app init */
2079
2080 if (!hprevinst)
2081 {
2082 w32_init_class (hinst);
2083 }
2084
2085 FRAME_W32_WINDOW (f) = hwnd
2086 = CreateWindow (EMACS_CLASS,
2087 f->namebuf,
2088 f->output_data.w32->dwStyle | WS_CLIPCHILDREN,
2089 f->left_pos,
2090 f->top_pos,
2091 rect.right - rect.left,
2092 rect.bottom - rect.top,
2093 NULL,
2094 NULL,
2095 hinst,
2096 NULL);
2097
2098 if (hwnd)
2099 {
2100 SetWindowLong (hwnd, WND_FONTWIDTH_INDEX, FRAME_COLUMN_WIDTH (f));
2101 SetWindowLong (hwnd, WND_LINEHEIGHT_INDEX, FRAME_LINE_HEIGHT (f));
2102 SetWindowLong (hwnd, WND_BORDER_INDEX, FRAME_INTERNAL_BORDER_WIDTH (f));
2103 SetWindowLong (hwnd, WND_SCROLLBAR_INDEX, f->scroll_bar_actual_width);
2104 SetWindowLong (hwnd, WND_BACKGROUND_INDEX, FRAME_BACKGROUND_PIXEL (f));
2105
2106 /* Enable drag-n-drop. */
2107 DragAcceptFiles (hwnd, TRUE);
2108
2109 /* Do this to discard the default setting specified by our parent. */
2110 ShowWindow (hwnd, SW_HIDE);
2111 }
2112 }
2113
2114 void
2115 my_post_msg (wmsg, hwnd, msg, wParam, lParam)
2116 W32Msg * wmsg;
2117 HWND hwnd;
2118 UINT msg;
2119 WPARAM wParam;
2120 LPARAM lParam;
2121 {
2122 wmsg->msg.hwnd = hwnd;
2123 wmsg->msg.message = msg;
2124 wmsg->msg.wParam = wParam;
2125 wmsg->msg.lParam = lParam;
2126 wmsg->msg.time = GetMessageTime ();
2127
2128 post_msg (wmsg);
2129 }
2130
2131 /* GetKeyState and MapVirtualKey on Windows 95 do not actually distinguish
2132 between left and right keys as advertised. We test for this
2133 support dynamically, and set a flag when the support is absent. If
2134 absent, we keep track of the left and right control and alt keys
2135 ourselves. This is particularly necessary on keyboards that rely
2136 upon the AltGr key, which is represented as having the left control
2137 and right alt keys pressed. For these keyboards, we need to know
2138 when the left alt key has been pressed in addition to the AltGr key
2139 so that we can properly support M-AltGr-key sequences (such as M-@
2140 on Swedish keyboards). */
2141
2142 #define EMACS_LCONTROL 0
2143 #define EMACS_RCONTROL 1
2144 #define EMACS_LMENU 2
2145 #define EMACS_RMENU 3
2146
2147 static int modifiers[4];
2148 static int modifiers_recorded;
2149 static int modifier_key_support_tested;
2150
2151 static void
2152 test_modifier_support (unsigned int wparam)
2153 {
2154 unsigned int l, r;
2155
2156 if (wparam != VK_CONTROL && wparam != VK_MENU)
2157 return;
2158 if (wparam == VK_CONTROL)
2159 {
2160 l = VK_LCONTROL;
2161 r = VK_RCONTROL;
2162 }
2163 else
2164 {
2165 l = VK_LMENU;
2166 r = VK_RMENU;
2167 }
2168 if (!(GetKeyState (l) & 0x8000) && !(GetKeyState (r) & 0x8000))
2169 modifiers_recorded = 1;
2170 else
2171 modifiers_recorded = 0;
2172 modifier_key_support_tested = 1;
2173 }
2174
2175 static void
2176 record_keydown (unsigned int wparam, unsigned int lparam)
2177 {
2178 int i;
2179
2180 if (!modifier_key_support_tested)
2181 test_modifier_support (wparam);
2182
2183 if ((wparam != VK_CONTROL && wparam != VK_MENU) || !modifiers_recorded)
2184 return;
2185
2186 if (wparam == VK_CONTROL)
2187 i = (lparam & 0x1000000) ? EMACS_RCONTROL : EMACS_LCONTROL;
2188 else
2189 i = (lparam & 0x1000000) ? EMACS_RMENU : EMACS_LMENU;
2190
2191 modifiers[i] = 1;
2192 }
2193
2194 static void
2195 record_keyup (unsigned int wparam, unsigned int lparam)
2196 {
2197 int i;
2198
2199 if ((wparam != VK_CONTROL && wparam != VK_MENU) || !modifiers_recorded)
2200 return;
2201
2202 if (wparam == VK_CONTROL)
2203 i = (lparam & 0x1000000) ? EMACS_RCONTROL : EMACS_LCONTROL;
2204 else
2205 i = (lparam & 0x1000000) ? EMACS_RMENU : EMACS_LMENU;
2206
2207 modifiers[i] = 0;
2208 }
2209
2210 /* Emacs can lose focus while a modifier key has been pressed. When
2211 it regains focus, be conservative and clear all modifiers since
2212 we cannot reconstruct the left and right modifier state. */
2213 static void
2214 reset_modifiers ()
2215 {
2216 SHORT ctrl, alt;
2217
2218 if (GetFocus () == NULL)
2219 /* Emacs doesn't have keyboard focus. Do nothing. */
2220 return;
2221
2222 ctrl = GetAsyncKeyState (VK_CONTROL);
2223 alt = GetAsyncKeyState (VK_MENU);
2224
2225 if (!(ctrl & 0x08000))
2226 /* Clear any recorded control modifier state. */
2227 modifiers[EMACS_RCONTROL] = modifiers[EMACS_LCONTROL] = 0;
2228
2229 if (!(alt & 0x08000))
2230 /* Clear any recorded alt modifier state. */
2231 modifiers[EMACS_RMENU] = modifiers[EMACS_LMENU] = 0;
2232
2233 /* Update the state of all modifier keys, because modifiers used in
2234 hot-key combinations can get stuck on if Emacs loses focus as a
2235 result of a hot-key being pressed. */
2236 {
2237 BYTE keystate[256];
2238
2239 #define CURRENT_STATE(key) ((GetAsyncKeyState (key) & 0x8000) >> 8)
2240
2241 GetKeyboardState (keystate);
2242 keystate[VK_SHIFT] = CURRENT_STATE (VK_SHIFT);
2243 keystate[VK_CONTROL] = CURRENT_STATE (VK_CONTROL);
2244 keystate[VK_LCONTROL] = CURRENT_STATE (VK_LCONTROL);
2245 keystate[VK_RCONTROL] = CURRENT_STATE (VK_RCONTROL);
2246 keystate[VK_MENU] = CURRENT_STATE (VK_MENU);
2247 keystate[VK_LMENU] = CURRENT_STATE (VK_LMENU);
2248 keystate[VK_RMENU] = CURRENT_STATE (VK_RMENU);
2249 keystate[VK_LWIN] = CURRENT_STATE (VK_LWIN);
2250 keystate[VK_RWIN] = CURRENT_STATE (VK_RWIN);
2251 keystate[VK_APPS] = CURRENT_STATE (VK_APPS);
2252 SetKeyboardState (keystate);
2253 }
2254 }
2255
2256 /* Synchronize modifier state with what is reported with the current
2257 keystroke. Even if we cannot distinguish between left and right
2258 modifier keys, we know that, if no modifiers are set, then neither
2259 the left or right modifier should be set. */
2260 static void
2261 sync_modifiers ()
2262 {
2263 if (!modifiers_recorded)
2264 return;
2265
2266 if (!(GetKeyState (VK_CONTROL) & 0x8000))
2267 modifiers[EMACS_RCONTROL] = modifiers[EMACS_LCONTROL] = 0;
2268
2269 if (!(GetKeyState (VK_MENU) & 0x8000))
2270 modifiers[EMACS_RMENU] = modifiers[EMACS_LMENU] = 0;
2271 }
2272
2273 static int
2274 modifier_set (int vkey)
2275 {
2276 if (vkey == VK_CAPITAL || vkey == VK_SCROLL)
2277 return (GetKeyState (vkey) & 0x1);
2278 if (!modifiers_recorded)
2279 return (GetKeyState (vkey) & 0x8000);
2280
2281 switch (vkey)
2282 {
2283 case VK_LCONTROL:
2284 return modifiers[EMACS_LCONTROL];
2285 case VK_RCONTROL:
2286 return modifiers[EMACS_RCONTROL];
2287 case VK_LMENU:
2288 return modifiers[EMACS_LMENU];
2289 case VK_RMENU:
2290 return modifiers[EMACS_RMENU];
2291 }
2292 return (GetKeyState (vkey) & 0x8000);
2293 }
2294
2295 /* Convert between the modifier bits W32 uses and the modifier bits
2296 Emacs uses. */
2297
2298 unsigned int
2299 w32_key_to_modifier (int key)
2300 {
2301 Lisp_Object key_mapping;
2302
2303 switch (key)
2304 {
2305 case VK_LWIN:
2306 key_mapping = Vw32_lwindow_modifier;
2307 break;
2308 case VK_RWIN:
2309 key_mapping = Vw32_rwindow_modifier;
2310 break;
2311 case VK_APPS:
2312 key_mapping = Vw32_apps_modifier;
2313 break;
2314 case VK_SCROLL:
2315 key_mapping = Vw32_scroll_lock_modifier;
2316 break;
2317 default:
2318 key_mapping = Qnil;
2319 }
2320
2321 /* NB. This code runs in the input thread, asychronously to the lisp
2322 thread, so we must be careful to ensure access to lisp data is
2323 thread-safe. The following code is safe because the modifier
2324 variable values are updated atomically from lisp and symbols are
2325 not relocated by GC. Also, we don't have to worry about seeing GC
2326 markbits here. */
2327 if (EQ (key_mapping, Qhyper))
2328 return hyper_modifier;
2329 if (EQ (key_mapping, Qsuper))
2330 return super_modifier;
2331 if (EQ (key_mapping, Qmeta))
2332 return meta_modifier;
2333 if (EQ (key_mapping, Qalt))
2334 return alt_modifier;
2335 if (EQ (key_mapping, Qctrl))
2336 return ctrl_modifier;
2337 if (EQ (key_mapping, Qcontrol)) /* synonym for ctrl */
2338 return ctrl_modifier;
2339 if (EQ (key_mapping, Qshift))
2340 return shift_modifier;
2341
2342 /* Don't generate any modifier if not explicitly requested. */
2343 return 0;
2344 }
2345
2346 unsigned int
2347 w32_get_modifiers ()
2348 {
2349 return ((modifier_set (VK_SHIFT) ? shift_modifier : 0) |
2350 (modifier_set (VK_CONTROL) ? ctrl_modifier : 0) |
2351 (modifier_set (VK_LWIN) ? w32_key_to_modifier (VK_LWIN) : 0) |
2352 (modifier_set (VK_RWIN) ? w32_key_to_modifier (VK_RWIN) : 0) |
2353 (modifier_set (VK_APPS) ? w32_key_to_modifier (VK_APPS) : 0) |
2354 (modifier_set (VK_SCROLL) ? w32_key_to_modifier (VK_SCROLL) : 0) |
2355 (modifier_set (VK_MENU) ?
2356 ((NILP (Vw32_alt_is_meta)) ? alt_modifier : meta_modifier) : 0));
2357 }
2358
2359 /* We map the VK_* modifiers into console modifier constants
2360 so that we can use the same routines to handle both console
2361 and window input. */
2362
2363 static int
2364 construct_console_modifiers ()
2365 {
2366 int mods;
2367
2368 mods = 0;
2369 mods |= (modifier_set (VK_SHIFT)) ? SHIFT_PRESSED : 0;
2370 mods |= (modifier_set (VK_CAPITAL)) ? CAPSLOCK_ON : 0;
2371 mods |= (modifier_set (VK_SCROLL)) ? SCROLLLOCK_ON : 0;
2372 mods |= (modifier_set (VK_NUMLOCK)) ? NUMLOCK_ON : 0;
2373 mods |= (modifier_set (VK_LCONTROL)) ? LEFT_CTRL_PRESSED : 0;
2374 mods |= (modifier_set (VK_RCONTROL)) ? RIGHT_CTRL_PRESSED : 0;
2375 mods |= (modifier_set (VK_LMENU)) ? LEFT_ALT_PRESSED : 0;
2376 mods |= (modifier_set (VK_RMENU)) ? RIGHT_ALT_PRESSED : 0;
2377 mods |= (modifier_set (VK_LWIN)) ? LEFT_WIN_PRESSED : 0;
2378 mods |= (modifier_set (VK_RWIN)) ? RIGHT_WIN_PRESSED : 0;
2379 mods |= (modifier_set (VK_APPS)) ? APPS_PRESSED : 0;
2380
2381 return mods;
2382 }
2383
2384 static int
2385 w32_get_key_modifiers (unsigned int wparam, unsigned int lparam)
2386 {
2387 int mods;
2388
2389 /* Convert to emacs modifiers. */
2390 mods = w32_kbd_mods_to_emacs (construct_console_modifiers (), wparam);
2391
2392 return mods;
2393 }
2394
2395 unsigned int
2396 map_keypad_keys (unsigned int virt_key, unsigned int extended)
2397 {
2398 if (virt_key < VK_CLEAR || virt_key > VK_DELETE)
2399 return virt_key;
2400
2401 if (virt_key == VK_RETURN)
2402 return (extended ? VK_NUMPAD_ENTER : VK_RETURN);
2403
2404 if (virt_key >= VK_PRIOR && virt_key <= VK_DOWN)
2405 return (!extended ? (VK_NUMPAD_PRIOR + (virt_key - VK_PRIOR)) : virt_key);
2406
2407 if (virt_key == VK_INSERT || virt_key == VK_DELETE)
2408 return (!extended ? (VK_NUMPAD_INSERT + (virt_key - VK_INSERT)) : virt_key);
2409
2410 if (virt_key == VK_CLEAR)
2411 return (!extended ? VK_NUMPAD_CLEAR : virt_key);
2412
2413 return virt_key;
2414 }
2415
2416 /* List of special key combinations which w32 would normally capture,
2417 but emacs should grab instead. Not directly visible to lisp, to
2418 simplify synchronization. Each item is an integer encoding a virtual
2419 key code and modifier combination to capture. */
2420 Lisp_Object w32_grabbed_keys;
2421
2422 #define HOTKEY(vk,mods) make_number (((vk) & 255) | ((mods) << 8))
2423 #define HOTKEY_ID(k) (XFASTINT (k) & 0xbfff)
2424 #define HOTKEY_VK_CODE(k) (XFASTINT (k) & 255)
2425 #define HOTKEY_MODIFIERS(k) (XFASTINT (k) >> 8)
2426
2427 #define RAW_HOTKEY_ID(k) ((k) & 0xbfff)
2428 #define RAW_HOTKEY_VK_CODE(k) ((k) & 255)
2429 #define RAW_HOTKEY_MODIFIERS(k) ((k) >> 8)
2430
2431 /* Register hot-keys for reserved key combinations when Emacs has
2432 keyboard focus, since this is the only way Emacs can receive key
2433 combinations like Alt-Tab which are used by the system. */
2434
2435 static void
2436 register_hot_keys (hwnd)
2437 HWND hwnd;
2438 {
2439 Lisp_Object keylist;
2440
2441 /* Use GC_CONSP, since we are called asynchronously. */
2442 for (keylist = w32_grabbed_keys; GC_CONSP (keylist); keylist = XCDR (keylist))
2443 {
2444 Lisp_Object key = XCAR (keylist);
2445
2446 /* Deleted entries get set to nil. */
2447 if (!INTEGERP (key))
2448 continue;
2449
2450 RegisterHotKey (hwnd, HOTKEY_ID (key),
2451 HOTKEY_MODIFIERS (key), HOTKEY_VK_CODE (key));
2452 }
2453 }
2454
2455 static void
2456 unregister_hot_keys (hwnd)
2457 HWND hwnd;
2458 {
2459 Lisp_Object keylist;
2460
2461 /* Use GC_CONSP, since we are called asynchronously. */
2462 for (keylist = w32_grabbed_keys; GC_CONSP (keylist); keylist = XCDR (keylist))
2463 {
2464 Lisp_Object key = XCAR (keylist);
2465
2466 if (!INTEGERP (key))
2467 continue;
2468
2469 UnregisterHotKey (hwnd, HOTKEY_ID (key));
2470 }
2471 }
2472
2473 /* Main message dispatch loop. */
2474
2475 static void
2476 w32_msg_pump (deferred_msg * msg_buf)
2477 {
2478 MSG msg;
2479 int result;
2480 HWND focus_window;
2481
2482 msh_mousewheel = RegisterWindowMessage (MSH_MOUSEWHEEL);
2483
2484 while (GetMessage (&msg, NULL, 0, 0))
2485 {
2486 if (msg.hwnd == NULL)
2487 {
2488 switch (msg.message)
2489 {
2490 case WM_NULL:
2491 /* Produced by complete_deferred_msg; just ignore. */
2492 break;
2493 case WM_EMACS_CREATEWINDOW:
2494 w32_createwindow ((struct frame *) msg.wParam);
2495 if (!PostThreadMessage (dwMainThreadId, WM_EMACS_DONE, 0, 0))
2496 abort ();
2497 break;
2498 case WM_EMACS_SETLOCALE:
2499 SetThreadLocale (msg.wParam);
2500 /* Reply is not expected. */
2501 break;
2502 case WM_EMACS_SETKEYBOARDLAYOUT:
2503 result = (int) ActivateKeyboardLayout ((HKL) msg.wParam, 0);
2504 if (!PostThreadMessage (dwMainThreadId, WM_EMACS_DONE,
2505 result, 0))
2506 abort ();
2507 break;
2508 case WM_EMACS_REGISTER_HOT_KEY:
2509 focus_window = GetFocus ();
2510 if (focus_window != NULL)
2511 RegisterHotKey (focus_window,
2512 RAW_HOTKEY_ID (msg.wParam),
2513 RAW_HOTKEY_MODIFIERS (msg.wParam),
2514 RAW_HOTKEY_VK_CODE (msg.wParam));
2515 /* Reply is not expected. */
2516 break;
2517 case WM_EMACS_UNREGISTER_HOT_KEY:
2518 focus_window = GetFocus ();
2519 if (focus_window != NULL)
2520 UnregisterHotKey (focus_window, RAW_HOTKEY_ID (msg.wParam));
2521 /* Mark item as erased. NB: this code must be
2522 thread-safe. The next line is okay because the cons
2523 cell is never made into garbage and is not relocated by
2524 GC. */
2525 XSETCAR ((Lisp_Object) ((EMACS_INT) msg.lParam), Qnil);
2526 if (!PostThreadMessage (dwMainThreadId, WM_EMACS_DONE, 0, 0))
2527 abort ();
2528 break;
2529 case WM_EMACS_TOGGLE_LOCK_KEY:
2530 {
2531 int vk_code = (int) msg.wParam;
2532 int cur_state = (GetKeyState (vk_code) & 1);
2533 Lisp_Object new_state = (Lisp_Object) ((EMACS_INT) msg.lParam);
2534
2535 /* NB: This code must be thread-safe. It is safe to
2536 call NILP because symbols are not relocated by GC,
2537 and pointer here is not touched by GC (so the markbit
2538 can't be set). Numbers are safe because they are
2539 immediate values. */
2540 if (NILP (new_state)
2541 || (NUMBERP (new_state)
2542 && ((XUINT (new_state)) & 1) != cur_state))
2543 {
2544 one_w32_display_info.faked_key = vk_code;
2545
2546 keybd_event ((BYTE) vk_code,
2547 (BYTE) MapVirtualKey (vk_code, 0),
2548 KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0);
2549 keybd_event ((BYTE) vk_code,
2550 (BYTE) MapVirtualKey (vk_code, 0),
2551 KEYEVENTF_EXTENDEDKEY | 0, 0);
2552 keybd_event ((BYTE) vk_code,
2553 (BYTE) MapVirtualKey (vk_code, 0),
2554 KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0);
2555 cur_state = !cur_state;
2556 }
2557 if (!PostThreadMessage (dwMainThreadId, WM_EMACS_DONE,
2558 cur_state, 0))
2559 abort ();
2560 }
2561 break;
2562 default:
2563 DebPrint (("msg %x not expected by w32_msg_pump\n", msg.message));
2564 }
2565 }
2566 else
2567 {
2568 DispatchMessage (&msg);
2569 }
2570
2571 /* Exit nested loop when our deferred message has completed. */
2572 if (msg_buf->completed)
2573 break;
2574 }
2575 }
2576
2577 deferred_msg * deferred_msg_head;
2578
2579 static deferred_msg *
2580 find_deferred_msg (HWND hwnd, UINT msg)
2581 {
2582 deferred_msg * item;
2583
2584 /* Don't actually need synchronization for read access, since
2585 modification of single pointer is always atomic. */
2586 /* enter_crit (); */
2587
2588 for (item = deferred_msg_head; item != NULL; item = item->next)
2589 if (item->w32msg.msg.hwnd == hwnd
2590 && item->w32msg.msg.message == msg)
2591 break;
2592
2593 /* leave_crit (); */
2594
2595 return item;
2596 }
2597
2598 static LRESULT
2599 send_deferred_msg (deferred_msg * msg_buf,
2600 HWND hwnd,
2601 UINT msg,
2602 WPARAM wParam,
2603 LPARAM lParam)
2604 {
2605 /* Only input thread can send deferred messages. */
2606 if (GetCurrentThreadId () != dwWindowsThreadId)
2607 abort ();
2608
2609 /* It is an error to send a message that is already deferred. */
2610 if (find_deferred_msg (hwnd, msg) != NULL)
2611 abort ();
2612
2613 /* Enforced synchronization is not needed because this is the only
2614 function that alters deferred_msg_head, and the following critical
2615 section is guaranteed to only be serially reentered (since only the
2616 input thread can call us). */
2617
2618 /* enter_crit (); */
2619
2620 msg_buf->completed = 0;
2621 msg_buf->next = deferred_msg_head;
2622 deferred_msg_head = msg_buf;
2623 my_post_msg (&msg_buf->w32msg, hwnd, msg, wParam, lParam);
2624
2625 /* leave_crit (); */
2626
2627 /* Start a new nested message loop to process other messages until
2628 this one is completed. */
2629 w32_msg_pump (msg_buf);
2630
2631 deferred_msg_head = msg_buf->next;
2632
2633 return msg_buf->result;
2634 }
2635
2636 void
2637 complete_deferred_msg (HWND hwnd, UINT msg, LRESULT result)
2638 {
2639 deferred_msg * msg_buf = find_deferred_msg (hwnd, msg);
2640
2641 if (msg_buf == NULL)
2642 /* Message may have been cancelled, so don't abort(). */
2643 return;
2644
2645 msg_buf->result = result;
2646 msg_buf->completed = 1;
2647
2648 /* Ensure input thread is woken so it notices the completion. */
2649 PostThreadMessage (dwWindowsThreadId, WM_NULL, 0, 0);
2650 }
2651
2652 void
2653 cancel_all_deferred_msgs ()
2654 {
2655 deferred_msg * item;
2656
2657 /* Don't actually need synchronization for read access, since
2658 modification of single pointer is always atomic. */
2659 /* enter_crit (); */
2660
2661 for (item = deferred_msg_head; item != NULL; item = item->next)
2662 {
2663 item->result = 0;
2664 item->completed = 1;
2665 }
2666
2667 /* leave_crit (); */
2668
2669 /* Ensure input thread is woken so it notices the completion. */
2670 PostThreadMessage (dwWindowsThreadId, WM_NULL, 0, 0);
2671 }
2672
2673 DWORD
2674 w32_msg_worker (dw)
2675 DWORD dw;
2676 {
2677 MSG msg;
2678 deferred_msg dummy_buf;
2679
2680 /* Ensure our message queue is created */
2681
2682 PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE);
2683
2684 if (!PostThreadMessage (dwMainThreadId, WM_EMACS_DONE, 0, 0))
2685 abort ();
2686
2687 memset (&dummy_buf, 0, sizeof (dummy_buf));
2688 dummy_buf.w32msg.msg.hwnd = NULL;
2689 dummy_buf.w32msg.msg.message = WM_NULL;
2690
2691 /* This is the inital message loop which should only exit when the
2692 application quits. */
2693 w32_msg_pump (&dummy_buf);
2694
2695 return 0;
2696 }
2697
2698 static void
2699 post_character_message (hwnd, msg, wParam, lParam, modifiers)
2700 HWND hwnd;
2701 UINT msg;
2702 WPARAM wParam;
2703 LPARAM lParam;
2704 DWORD modifiers;
2705
2706 {
2707 W32Msg wmsg;
2708
2709 wmsg.dwModifiers = modifiers;
2710
2711 /* Detect quit_char and set quit-flag directly. Note that we
2712 still need to post a message to ensure the main thread will be
2713 woken up if blocked in sys_select(), but we do NOT want to post
2714 the quit_char message itself (because it will usually be as if
2715 the user had typed quit_char twice). Instead, we post a dummy
2716 message that has no particular effect. */
2717 {
2718 int c = wParam;
2719 if (isalpha (c) && wmsg.dwModifiers == ctrl_modifier)
2720 c = make_ctrl_char (c) & 0377;
2721 if (c == quit_char
2722 || (wmsg.dwModifiers == 0 &&
2723 w32_quit_key && wParam == w32_quit_key))
2724 {
2725 Vquit_flag = Qt;
2726
2727 /* The choice of message is somewhat arbitrary, as long as
2728 the main thread handler just ignores it. */
2729 msg = WM_NULL;
2730
2731 /* Interrupt any blocking system calls. */
2732 signal_quit ();
2733
2734 /* As a safety precaution, forcibly complete any deferred
2735 messages. This is a kludge, but I don't see any particularly
2736 clean way to handle the situation where a deferred message is
2737 "dropped" in the lisp thread, and will thus never be
2738 completed, eg. by the user trying to activate the menubar
2739 when the lisp thread is busy, and then typing C-g when the
2740 menubar doesn't open promptly (with the result that the
2741 menubar never responds at all because the deferred
2742 WM_INITMENU message is never completed). Another problem
2743 situation is when the lisp thread calls SendMessage (to send
2744 a window manager command) when a message has been deferred;
2745 the lisp thread gets blocked indefinitely waiting for the
2746 deferred message to be completed, which itself is waiting for
2747 the lisp thread to respond.
2748
2749 Note that we don't want to block the input thread waiting for
2750 a reponse from the lisp thread (although that would at least
2751 solve the deadlock problem above), because we want to be able
2752 to receive C-g to interrupt the lisp thread. */
2753 cancel_all_deferred_msgs ();
2754 }
2755 }
2756
2757 my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
2758 }
2759
2760 /* Main window procedure */
2761
2762 LRESULT CALLBACK
2763 w32_wnd_proc (hwnd, msg, wParam, lParam)
2764 HWND hwnd;
2765 UINT msg;
2766 WPARAM wParam;
2767 LPARAM lParam;
2768 {
2769 struct frame *f;
2770 struct w32_display_info *dpyinfo = &one_w32_display_info;
2771 W32Msg wmsg;
2772 int windows_translate;
2773 int key;
2774
2775 /* Note that it is okay to call x_window_to_frame, even though we are
2776 not running in the main lisp thread, because frame deletion
2777 requires the lisp thread to synchronize with this thread. Thus, if
2778 a frame struct is returned, it can be used without concern that the
2779 lisp thread might make it disappear while we are using it.
2780
2781 NB. Walking the frame list in this thread is safe (as long as
2782 writes of Lisp_Object slots are atomic, which they are on Windows).
2783 Although delete-frame can destructively modify the frame list while
2784 we are walking it, a garbage collection cannot occur until after
2785 delete-frame has synchronized with this thread.
2786
2787 It is also safe to use functions that make GDI calls, such as
2788 w32_clear_rect, because these functions must obtain a DC handle
2789 from the frame struct using get_frame_dc which is thread-aware. */
2790
2791 switch (msg)
2792 {
2793 case WM_ERASEBKGND:
2794 f = x_window_to_frame (dpyinfo, hwnd);
2795 if (f)
2796 {
2797 HDC hdc = get_frame_dc (f);
2798 GetUpdateRect (hwnd, &wmsg.rect, FALSE);
2799 w32_clear_rect (f, hdc, &wmsg.rect);
2800 release_frame_dc (f, hdc);
2801
2802 #if defined (W32_DEBUG_DISPLAY)
2803 DebPrint (("WM_ERASEBKGND (frame %p): erasing %d,%d-%d,%d\n",
2804 f,
2805 wmsg.rect.left, wmsg.rect.top,
2806 wmsg.rect.right, wmsg.rect.bottom));
2807 #endif /* W32_DEBUG_DISPLAY */
2808 }
2809 return 1;
2810 case WM_PALETTECHANGED:
2811 /* ignore our own changes */
2812 if ((HWND)wParam != hwnd)
2813 {
2814 f = x_window_to_frame (dpyinfo, hwnd);
2815 if (f)
2816 /* get_frame_dc will realize our palette and force all
2817 frames to be redrawn if needed. */
2818 release_frame_dc (f, get_frame_dc (f));
2819 }
2820 return 0;
2821 case WM_PAINT:
2822 {
2823 PAINTSTRUCT paintStruct;
2824 RECT update_rect;
2825 bzero (&update_rect, sizeof (update_rect));
2826
2827 f = x_window_to_frame (dpyinfo, hwnd);
2828 if (f == 0)
2829 {
2830 DebPrint (("WM_PAINT received for unknown window %p\n", hwnd));
2831 return 0;
2832 }
2833
2834 /* MSDN Docs say not to call BeginPaint if GetUpdateRect
2835 fails. Apparently this can happen under some
2836 circumstances. */
2837 if (GetUpdateRect (hwnd, &update_rect, FALSE) || !w32_strict_painting)
2838 {
2839 enter_crit ();
2840 BeginPaint (hwnd, &paintStruct);
2841
2842 /* The rectangles returned by GetUpdateRect and BeginPaint
2843 do not always match. Play it safe by assuming both areas
2844 are invalid. */
2845 UnionRect (&(wmsg.rect), &update_rect, &(paintStruct.rcPaint));
2846
2847 #if defined (W32_DEBUG_DISPLAY)
2848 DebPrint (("WM_PAINT (frame %p): painting %d,%d-%d,%d\n",
2849 f,
2850 wmsg.rect.left, wmsg.rect.top,
2851 wmsg.rect.right, wmsg.rect.bottom));
2852 DebPrint ((" [update region is %d,%d-%d,%d]\n",
2853 update_rect.left, update_rect.top,
2854 update_rect.right, update_rect.bottom));
2855 #endif
2856 EndPaint (hwnd, &paintStruct);
2857 leave_crit ();
2858
2859 my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
2860
2861 return 0;
2862 }
2863
2864 /* If GetUpdateRect returns 0 (meaning there is no update
2865 region), assume the whole window needs to be repainted. */
2866 GetClientRect(hwnd, &wmsg.rect);
2867 my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
2868 return 0;
2869 }
2870
2871 case WM_INPUTLANGCHANGE:
2872 /* Inform lisp thread of keyboard layout changes. */
2873 my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
2874
2875 /* Clear dead keys in the keyboard state; for simplicity only
2876 preserve modifier key states. */
2877 {
2878 int i;
2879 BYTE keystate[256];
2880
2881 GetKeyboardState (keystate);
2882 for (i = 0; i < 256; i++)
2883 if (1
2884 && i != VK_SHIFT
2885 && i != VK_LSHIFT
2886 && i != VK_RSHIFT
2887 && i != VK_CAPITAL
2888 && i != VK_NUMLOCK
2889 && i != VK_SCROLL
2890 && i != VK_CONTROL
2891 && i != VK_LCONTROL
2892 && i != VK_RCONTROL
2893 && i != VK_MENU
2894 && i != VK_LMENU
2895 && i != VK_RMENU
2896 && i != VK_LWIN
2897 && i != VK_RWIN)
2898 keystate[i] = 0;
2899 SetKeyboardState (keystate);
2900 }
2901 goto dflt;
2902
2903 case WM_HOTKEY:
2904 /* Synchronize hot keys with normal input. */
2905 PostMessage (hwnd, WM_KEYDOWN, HIWORD (lParam), 0);
2906 return (0);
2907
2908 case WM_KEYUP:
2909 case WM_SYSKEYUP:
2910 record_keyup (wParam, lParam);
2911 goto dflt;
2912
2913 case WM_KEYDOWN:
2914 case WM_SYSKEYDOWN:
2915 /* Ignore keystrokes we fake ourself; see below. */
2916 if (dpyinfo->faked_key == wParam)
2917 {
2918 dpyinfo->faked_key = 0;
2919 /* Make sure TranslateMessage sees them though (as long as
2920 they don't produce WM_CHAR messages). This ensures that
2921 indicator lights are toggled promptly on Windows 9x, for
2922 example. */
2923 if (lispy_function_keys[wParam] != 0)
2924 {
2925 windows_translate = 1;
2926 goto translate;
2927 }
2928 return 0;
2929 }
2930
2931 /* Synchronize modifiers with current keystroke. */
2932 sync_modifiers ();
2933 record_keydown (wParam, lParam);
2934 wParam = map_keypad_keys (wParam, (lParam & 0x1000000L) != 0);
2935
2936 windows_translate = 0;
2937
2938 switch (wParam)
2939 {
2940 case VK_LWIN:
2941 if (NILP (Vw32_pass_lwindow_to_system))
2942 {
2943 /* Prevent system from acting on keyup (which opens the
2944 Start menu if no other key was pressed) by simulating a
2945 press of Space which we will ignore. */
2946 if (GetAsyncKeyState (wParam) & 1)
2947 {
2948 if (NUMBERP (Vw32_phantom_key_code))
2949 key = XUINT (Vw32_phantom_key_code) & 255;
2950 else
2951 key = VK_SPACE;
2952 dpyinfo->faked_key = key;
2953 keybd_event (key, (BYTE) MapVirtualKey (key, 0), 0, 0);
2954 }
2955 }
2956 if (!NILP (Vw32_lwindow_modifier))
2957 return 0;
2958 break;
2959 case VK_RWIN:
2960 if (NILP (Vw32_pass_rwindow_to_system))
2961 {
2962 if (GetAsyncKeyState (wParam) & 1)
2963 {
2964 if (NUMBERP (Vw32_phantom_key_code))
2965 key = XUINT (Vw32_phantom_key_code) & 255;
2966 else
2967 key = VK_SPACE;
2968 dpyinfo->faked_key = key;
2969 keybd_event (key, (BYTE) MapVirtualKey (key, 0), 0, 0);
2970 }
2971 }
2972 if (!NILP (Vw32_rwindow_modifier))
2973 return 0;
2974 break;
2975 case VK_APPS:
2976 if (!NILP (Vw32_apps_modifier))
2977 return 0;
2978 break;
2979 case VK_MENU:
2980 if (NILP (Vw32_pass_alt_to_system))
2981 /* Prevent DefWindowProc from activating the menu bar if an
2982 Alt key is pressed and released by itself. */
2983 return 0;
2984 windows_translate = 1;
2985 break;
2986 case VK_CAPITAL:
2987 /* Decide whether to treat as modifier or function key. */
2988 if (NILP (Vw32_enable_caps_lock))
2989 goto disable_lock_key;
2990 windows_translate = 1;
2991 break;
2992 case VK_NUMLOCK:
2993 /* Decide whether to treat as modifier or function key. */
2994 if (NILP (Vw32_enable_num_lock))
2995 goto disable_lock_key;
2996 windows_translate = 1;
2997 break;
2998 case VK_SCROLL:
2999 /* Decide whether to treat as modifier or function key. */
3000 if (NILP (Vw32_scroll_lock_modifier))
3001 goto disable_lock_key;
3002 windows_translate = 1;
3003 break;
3004 disable_lock_key:
3005 /* Ensure the appropriate lock key state (and indicator light)
3006 remains in the same state. We do this by faking another
3007 press of the relevant key. Apparently, this really is the
3008 only way to toggle the state of the indicator lights. */
3009 dpyinfo->faked_key = wParam;
3010 keybd_event ((BYTE) wParam, (BYTE) MapVirtualKey (wParam, 0),
3011 KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0);
3012 keybd_event ((BYTE) wParam, (BYTE) MapVirtualKey (wParam, 0),
3013 KEYEVENTF_EXTENDEDKEY | 0, 0);
3014 keybd_event ((BYTE) wParam, (BYTE) MapVirtualKey (wParam, 0),
3015 KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0);
3016 /* Ensure indicator lights are updated promptly on Windows 9x
3017 (TranslateMessage apparently does this), after forwarding
3018 input event. */
3019 post_character_message (hwnd, msg, wParam, lParam,
3020 w32_get_key_modifiers (wParam, lParam));
3021 windows_translate = 1;
3022 break;
3023 case VK_CONTROL:
3024 case VK_SHIFT:
3025 case VK_PROCESSKEY: /* Generated by IME. */
3026 windows_translate = 1;
3027 break;
3028 case VK_CANCEL:
3029 /* Windows maps Ctrl-Pause (aka Ctrl-Break) into VK_CANCEL,
3030 which is confusing for purposes of key binding; convert
3031 VK_CANCEL events into VK_PAUSE events. */
3032 wParam = VK_PAUSE;
3033 break;
3034 case VK_PAUSE:
3035 /* Windows maps Ctrl-NumLock into VK_PAUSE, which is confusing
3036 for purposes of key binding; convert these back into
3037 VK_NUMLOCK events, at least when we want to see NumLock key
3038 presses. (Note that there is never any possibility that
3039 VK_PAUSE with Ctrl really is C-Pause as per above.) */
3040 if (NILP (Vw32_enable_num_lock) && modifier_set (VK_CONTROL))
3041 wParam = VK_NUMLOCK;
3042 break;
3043 default:
3044 /* If not defined as a function key, change it to a WM_CHAR message. */
3045 if (lispy_function_keys[wParam] == 0)
3046 {
3047 DWORD modifiers = construct_console_modifiers ();
3048
3049 if (!NILP (Vw32_recognize_altgr)
3050 && modifier_set (VK_LCONTROL) && modifier_set (VK_RMENU))
3051 {
3052 /* Always let TranslateMessage handle AltGr key chords;
3053 for some reason, ToAscii doesn't always process AltGr
3054 chords correctly. */
3055 windows_translate = 1;
3056 }
3057 else if ((modifiers & (~SHIFT_PRESSED & ~CAPSLOCK_ON)) != 0)
3058 {
3059 /* Handle key chords including any modifiers other
3060 than shift directly, in order to preserve as much
3061 modifier information as possible. */
3062 if ('A' <= wParam && wParam <= 'Z')
3063 {
3064 /* Don't translate modified alphabetic keystrokes,
3065 so the user doesn't need to constantly switch
3066 layout to type control or meta keystrokes when
3067 the normal layout translates alphabetic
3068 characters to non-ascii characters. */
3069 if (!modifier_set (VK_SHIFT))
3070 wParam += ('a' - 'A');
3071 msg = WM_CHAR;
3072 }
3073 else
3074 {
3075 /* Try to handle other keystrokes by determining the
3076 base character (ie. translating the base key plus
3077 shift modifier). */
3078 int add;
3079 int isdead = 0;
3080 KEY_EVENT_RECORD key;
3081
3082 key.bKeyDown = TRUE;
3083 key.wRepeatCount = 1;
3084 key.wVirtualKeyCode = wParam;
3085 key.wVirtualScanCode = (lParam & 0xFF0000) >> 16;
3086 key.uChar.AsciiChar = 0;
3087 key.dwControlKeyState = modifiers;
3088
3089 add = w32_kbd_patch_key (&key);
3090 /* 0 means an unrecognised keycode, negative means
3091 dead key. Ignore both. */
3092 while (--add >= 0)
3093 {
3094 /* Forward asciified character sequence. */
3095 post_character_message
3096 (hwnd, WM_CHAR, key.uChar.AsciiChar, lParam,
3097 w32_get_key_modifiers (wParam, lParam));
3098 w32_kbd_patch_key (&key);
3099 }
3100 return 0;
3101 }
3102 }
3103 else
3104 {
3105 /* Let TranslateMessage handle everything else. */
3106 windows_translate = 1;
3107 }
3108 }
3109 }
3110
3111 translate:
3112 if (windows_translate)
3113 {
3114 MSG windows_msg = { hwnd, msg, wParam, lParam, 0, {0,0} };
3115
3116 windows_msg.time = GetMessageTime ();
3117 TranslateMessage (&windows_msg);
3118 goto dflt;
3119 }
3120
3121 /* Fall through */
3122
3123 case WM_SYSCHAR:
3124 case WM_CHAR:
3125 post_character_message (hwnd, msg, wParam, lParam,
3126 w32_get_key_modifiers (wParam, lParam));
3127 break;
3128
3129 /* Simulate middle mouse button events when left and right buttons
3130 are used together, but only if user has two button mouse. */
3131 case WM_LBUTTONDOWN:
3132 case WM_RBUTTONDOWN:
3133 if (w32_num_mouse_buttons > 2)
3134 goto handle_plain_button;
3135
3136 {
3137 int this = (msg == WM_LBUTTONDOWN) ? LMOUSE : RMOUSE;
3138 int other = (msg == WM_LBUTTONDOWN) ? RMOUSE : LMOUSE;
3139
3140 if (button_state & this)
3141 return 0;
3142
3143 if (button_state == 0)
3144 SetCapture (hwnd);
3145
3146 button_state |= this;
3147
3148 if (button_state & other)
3149 {
3150 if (mouse_button_timer)
3151 {
3152 KillTimer (hwnd, mouse_button_timer);
3153 mouse_button_timer = 0;
3154
3155 /* Generate middle mouse event instead. */
3156 msg = WM_MBUTTONDOWN;
3157 button_state |= MMOUSE;
3158 }
3159 else if (button_state & MMOUSE)
3160 {
3161 /* Ignore button event if we've already generated a
3162 middle mouse down event. This happens if the
3163 user releases and press one of the two buttons
3164 after we've faked a middle mouse event. */
3165 return 0;
3166 }
3167 else
3168 {
3169 /* Flush out saved message. */
3170 post_msg (&saved_mouse_button_msg);
3171 }
3172 wmsg.dwModifiers = w32_get_modifiers ();
3173 my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
3174
3175 /* Clear message buffer. */
3176 saved_mouse_button_msg.msg.hwnd = 0;
3177 }
3178 else
3179 {
3180 /* Hold onto message for now. */
3181 mouse_button_timer =
3182 SetTimer (hwnd, MOUSE_BUTTON_ID,
3183 w32_mouse_button_tolerance, NULL);
3184 saved_mouse_button_msg.msg.hwnd = hwnd;
3185 saved_mouse_button_msg.msg.message = msg;
3186 saved_mouse_button_msg.msg.wParam = wParam;
3187 saved_mouse_button_msg.msg.lParam = lParam;
3188 saved_mouse_button_msg.msg.time = GetMessageTime ();
3189 saved_mouse_button_msg.dwModifiers = w32_get_modifiers ();
3190 }
3191 }
3192 return 0;
3193
3194 case WM_LBUTTONUP:
3195 case WM_RBUTTONUP:
3196 if (w32_num_mouse_buttons > 2)
3197 goto handle_plain_button;
3198
3199 {
3200 int this = (msg == WM_LBUTTONUP) ? LMOUSE : RMOUSE;
3201 int other = (msg == WM_LBUTTONUP) ? RMOUSE : LMOUSE;
3202
3203 if ((button_state & this) == 0)
3204 return 0;
3205
3206 button_state &= ~this;
3207
3208 if (button_state & MMOUSE)
3209 {
3210 /* Only generate event when second button is released. */
3211 if ((button_state & other) == 0)
3212 {
3213 msg = WM_MBUTTONUP;
3214 button_state &= ~MMOUSE;
3215
3216 if (button_state) abort ();
3217 }
3218 else
3219 return 0;
3220 }
3221 else
3222 {
3223 /* Flush out saved message if necessary. */
3224 if (saved_mouse_button_msg.msg.hwnd)
3225 {
3226 post_msg (&saved_mouse_button_msg);
3227 }
3228 }
3229 wmsg.dwModifiers = w32_get_modifiers ();
3230 my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
3231
3232 /* Always clear message buffer and cancel timer. */
3233 saved_mouse_button_msg.msg.hwnd = 0;
3234 KillTimer (hwnd, mouse_button_timer);
3235 mouse_button_timer = 0;
3236
3237 if (button_state == 0)
3238 ReleaseCapture ();
3239 }
3240 return 0;
3241
3242 case WM_XBUTTONDOWN:
3243 case WM_XBUTTONUP:
3244 if (w32_pass_extra_mouse_buttons_to_system)
3245 goto dflt;
3246 /* else fall through and process them. */
3247 case WM_MBUTTONDOWN:
3248 case WM_MBUTTONUP:
3249 handle_plain_button:
3250 {
3251 BOOL up;
3252 int button;
3253
3254 if (parse_button (msg, HIWORD (wParam), &button, &up))
3255 {
3256 if (up) ReleaseCapture ();
3257 else SetCapture (hwnd);
3258 button = (button == 0) ? LMOUSE :
3259 ((button == 1) ? MMOUSE : RMOUSE);
3260 if (up)
3261 button_state &= ~button;
3262 else
3263 button_state |= button;
3264 }
3265 }
3266
3267 wmsg.dwModifiers = w32_get_modifiers ();
3268 my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
3269
3270 /* Need to return true for XBUTTON messages, false for others,
3271 to indicate that we processed the message. */
3272 return (msg == WM_XBUTTONDOWN || msg == WM_XBUTTONUP);
3273
3274 case WM_MOUSEMOVE:
3275 /* If the mouse has just moved into the frame, start tracking
3276 it, so we will be notified when it leaves the frame. Mouse
3277 tracking only works under W98 and NT4 and later. On earlier
3278 versions, there is no way of telling when the mouse leaves the
3279 frame, so we just have to put up with help-echo and mouse
3280 highlighting remaining while the frame is not active. */
3281 if (track_mouse_event_fn && !track_mouse_window)
3282 {
3283 TRACKMOUSEEVENT tme;
3284 tme.cbSize = sizeof (tme);
3285 tme.dwFlags = TME_LEAVE;
3286 tme.hwndTrack = hwnd;
3287
3288 track_mouse_event_fn (&tme);
3289 track_mouse_window = hwnd;
3290 }
3291 case WM_VSCROLL:
3292 if (w32_mouse_move_interval <= 0
3293 || (msg == WM_MOUSEMOVE && button_state == 0))
3294 {
3295 wmsg.dwModifiers = w32_get_modifiers ();
3296 my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
3297 return 0;
3298 }
3299
3300 /* Hang onto mouse move and scroll messages for a bit, to avoid
3301 sending such events to Emacs faster than it can process them.
3302 If we get more events before the timer from the first message
3303 expires, we just replace the first message. */
3304
3305 if (saved_mouse_move_msg.msg.hwnd == 0)
3306 mouse_move_timer =
3307 SetTimer (hwnd, MOUSE_MOVE_ID,
3308 w32_mouse_move_interval, NULL);
3309
3310 /* Hold onto message for now. */
3311 saved_mouse_move_msg.msg.hwnd = hwnd;
3312 saved_mouse_move_msg.msg.message = msg;
3313 saved_mouse_move_msg.msg.wParam = wParam;
3314 saved_mouse_move_msg.msg.lParam = lParam;
3315 saved_mouse_move_msg.msg.time = GetMessageTime ();
3316 saved_mouse_move_msg.dwModifiers = w32_get_modifiers ();
3317
3318 return 0;
3319
3320 case WM_MOUSEWHEEL:
3321 wmsg.dwModifiers = w32_get_modifiers ();
3322 my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
3323 return 0;
3324
3325 case WM_DROPFILES:
3326 wmsg.dwModifiers = w32_get_modifiers ();
3327 my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
3328 return 0;
3329
3330 case WM_TIMER:
3331 /* Flush out saved messages if necessary. */
3332 if (wParam == mouse_button_timer)
3333 {
3334 if (saved_mouse_button_msg.msg.hwnd)
3335 {
3336 post_msg (&saved_mouse_button_msg);
3337 saved_mouse_button_msg.msg.hwnd = 0;
3338 }
3339 KillTimer (hwnd, mouse_button_timer);
3340 mouse_button_timer = 0;
3341 }
3342 else if (wParam == mouse_move_timer)
3343 {
3344 if (saved_mouse_move_msg.msg.hwnd)
3345 {
3346 post_msg (&saved_mouse_move_msg);
3347 saved_mouse_move_msg.msg.hwnd = 0;
3348 }
3349 KillTimer (hwnd, mouse_move_timer);
3350 mouse_move_timer = 0;
3351 }
3352 else if (wParam == menu_free_timer)
3353 {
3354 KillTimer (hwnd, menu_free_timer);
3355 menu_free_timer = 0;
3356 f = x_window_to_frame (dpyinfo, hwnd);
3357 if (!f->output_data.w32->menu_command_in_progress)
3358 {
3359 /* Free memory used by owner-drawn and help-echo strings. */
3360 w32_free_menu_strings (hwnd);
3361 f->output_data.w32->menubar_active = 0;
3362 }
3363 }
3364 return 0;
3365
3366 case WM_NCACTIVATE:
3367 /* Windows doesn't send us focus messages when putting up and
3368 taking down a system popup dialog as for Ctrl-Alt-Del on Windows 95.
3369 The only indication we get that something happened is receiving
3370 this message afterwards. So this is a good time to reset our
3371 keyboard modifiers' state. */
3372 reset_modifiers ();
3373 goto dflt;
3374
3375 case WM_INITMENU:
3376 button_state = 0;
3377 ReleaseCapture ();
3378 /* We must ensure menu bar is fully constructed and up to date
3379 before allowing user interaction with it. To achieve this
3380 we send this message to the lisp thread and wait for a
3381 reply (whose value is not actually needed) to indicate that
3382 the menu bar is now ready for use, so we can now return.
3383
3384 To remain responsive in the meantime, we enter a nested message
3385 loop that can process all other messages.
3386
3387 However, we skip all this if the message results from calling
3388 TrackPopupMenu - in fact, we must NOT attempt to send the lisp
3389 thread a message because it is blocked on us at this point. We
3390 set menubar_active before calling TrackPopupMenu to indicate
3391 this (there is no possibility of confusion with real menubar
3392 being active). */
3393
3394 f = x_window_to_frame (dpyinfo, hwnd);
3395 if (f
3396 && (f->output_data.w32->menubar_active
3397 /* We can receive this message even in the absence of a
3398 menubar (ie. when the system menu is activated) - in this
3399 case we do NOT want to forward the message, otherwise it
3400 will cause the menubar to suddenly appear when the user
3401 had requested it to be turned off! */
3402 || f->output_data.w32->menubar_widget == NULL))
3403 return 0;
3404
3405 {
3406 deferred_msg msg_buf;
3407
3408 /* Detect if message has already been deferred; in this case
3409 we cannot return any sensible value to ignore this. */
3410 if (find_deferred_msg (hwnd, msg) != NULL)
3411 abort ();
3412
3413 return send_deferred_msg (&msg_buf, hwnd, msg, wParam, lParam);
3414 }
3415
3416 case WM_EXITMENULOOP:
3417 f = x_window_to_frame (dpyinfo, hwnd);
3418
3419 /* If a menu command is not already in progress, check again
3420 after a short delay, since Windows often (always?) sends the
3421 WM_EXITMENULOOP before the corresponding WM_COMMAND message. */
3422 if (f && !f->output_data.w32->menu_command_in_progress)
3423 menu_free_timer = SetTimer (hwnd, MENU_FREE_ID, MENU_FREE_DELAY, NULL);
3424 goto dflt;
3425
3426 case WM_MENUSELECT:
3427 /* Direct handling of help_echo in menus. Should be safe now
3428 that we generate the help_echo by placing a help event in the
3429 keyboard buffer. */
3430 {
3431 HMENU menu = (HMENU) lParam;
3432 UINT menu_item = (UINT) LOWORD (wParam);
3433 UINT flags = (UINT) HIWORD (wParam);
3434
3435 w32_menu_display_help (hwnd, menu, menu_item, flags);
3436 }
3437 return 0;
3438
3439 case WM_MEASUREITEM:
3440 f = x_window_to_frame (dpyinfo, hwnd);
3441 if (f)
3442 {
3443 MEASUREITEMSTRUCT * pMis = (MEASUREITEMSTRUCT *) lParam;
3444
3445 if (pMis->CtlType == ODT_MENU)
3446 {
3447 /* Work out dimensions for popup menu titles. */
3448 char * title = (char *) pMis->itemData;
3449 HDC hdc = GetDC (hwnd);
3450 HFONT menu_font = GetCurrentObject (hdc, OBJ_FONT);
3451 LOGFONT menu_logfont;
3452 HFONT old_font;
3453 SIZE size;
3454
3455 GetObject (menu_font, sizeof (menu_logfont), &menu_logfont);
3456 menu_logfont.lfWeight = FW_BOLD;
3457 menu_font = CreateFontIndirect (&menu_logfont);
3458 old_font = SelectObject (hdc, menu_font);
3459
3460 pMis->itemHeight = GetSystemMetrics (SM_CYMENUSIZE);
3461 if (title)
3462 {
3463 if (unicode_append_menu)
3464 GetTextExtentPoint32W (hdc, (WCHAR *) title,
3465 wcslen ((WCHAR *) title),
3466 &size);
3467 else
3468 GetTextExtentPoint32 (hdc, title, strlen (title), &size);
3469
3470 pMis->itemWidth = size.cx;
3471 if (pMis->itemHeight < size.cy)
3472 pMis->itemHeight = size.cy;
3473 }
3474 else
3475 pMis->itemWidth = 0;
3476
3477 SelectObject (hdc, old_font);
3478 DeleteObject (menu_font);
3479 ReleaseDC (hwnd, hdc);
3480 return TRUE;
3481 }
3482 }
3483 return 0;
3484
3485 case WM_DRAWITEM:
3486 f = x_window_to_frame (dpyinfo, hwnd);
3487 if (f)
3488 {
3489 DRAWITEMSTRUCT * pDis = (DRAWITEMSTRUCT *) lParam;
3490
3491 if (pDis->CtlType == ODT_MENU)
3492 {
3493 /* Draw popup menu title. */
3494 char * title = (char *) pDis->itemData;
3495 if (title)
3496 {
3497 HDC hdc = pDis->hDC;
3498 HFONT menu_font = GetCurrentObject (hdc, OBJ_FONT);
3499 LOGFONT menu_logfont;
3500 HFONT old_font;
3501
3502 GetObject (menu_font, sizeof (menu_logfont), &menu_logfont);
3503 menu_logfont.lfWeight = FW_BOLD;
3504 menu_font = CreateFontIndirect (&menu_logfont);
3505 old_font = SelectObject (hdc, menu_font);
3506
3507 /* Always draw title as if not selected. */
3508 if (unicode_append_menu)
3509 ExtTextOutW (hdc,
3510 pDis->rcItem.left
3511 + GetSystemMetrics (SM_CXMENUCHECK),
3512 pDis->rcItem.top,
3513 ETO_OPAQUE, &pDis->rcItem,
3514 (WCHAR *) title,
3515 wcslen ((WCHAR *) title), NULL);
3516 else
3517 ExtTextOut (hdc,
3518 pDis->rcItem.left
3519 + GetSystemMetrics (SM_CXMENUCHECK),
3520 pDis->rcItem.top,
3521 ETO_OPAQUE, &pDis->rcItem,
3522 title, strlen (title), NULL);
3523
3524 SelectObject (hdc, old_font);
3525 DeleteObject (menu_font);
3526 }
3527 return TRUE;
3528 }
3529 }
3530 return 0;
3531
3532 #if 0
3533 /* Still not right - can't distinguish between clicks in the
3534 client area of the frame from clicks forwarded from the scroll
3535 bars - may have to hook WM_NCHITTEST to remember the mouse
3536 position and then check if it is in the client area ourselves. */
3537 case WM_MOUSEACTIVATE:
3538 /* Discard the mouse click that activates a frame, allowing the
3539 user to click anywhere without changing point (or worse!).
3540 Don't eat mouse clicks on scrollbars though!! */
3541 if (LOWORD (lParam) == HTCLIENT )
3542 return MA_ACTIVATEANDEAT;
3543 goto dflt;
3544 #endif
3545
3546 case WM_MOUSELEAVE:
3547 /* No longer tracking mouse. */
3548 track_mouse_window = NULL;
3549
3550 case WM_ACTIVATEAPP:
3551 case WM_ACTIVATE:
3552 case WM_WINDOWPOSCHANGED:
3553 case WM_SHOWWINDOW:
3554 /* Inform lisp thread that a frame might have just been obscured
3555 or exposed, so should recheck visibility of all frames. */
3556 my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
3557 goto dflt;
3558
3559 case WM_SETFOCUS:
3560 dpyinfo->faked_key = 0;
3561 reset_modifiers ();
3562 register_hot_keys (hwnd);
3563 goto command;
3564 case WM_KILLFOCUS:
3565 unregister_hot_keys (hwnd);
3566 button_state = 0;
3567 ReleaseCapture ();
3568 /* Relinquish the system caret. */
3569 if (w32_system_caret_hwnd)
3570 {
3571 w32_visible_system_caret_hwnd = NULL;
3572 w32_system_caret_hwnd = NULL;
3573 DestroyCaret ();
3574 }
3575 goto command;
3576 case WM_COMMAND:
3577 f = x_window_to_frame (dpyinfo, hwnd);
3578 if (f && HIWORD (wParam) == 0)
3579 {
3580 f->output_data.w32->menu_command_in_progress = 1;
3581 if (menu_free_timer)
3582 {
3583 KillTimer (hwnd, menu_free_timer);
3584 menu_free_timer = 0;
3585 }
3586 }
3587 case WM_MOVE:
3588 case WM_SIZE:
3589 command:
3590 wmsg.dwModifiers = w32_get_modifiers ();
3591 my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
3592 goto dflt;
3593
3594 case WM_CLOSE:
3595 wmsg.dwModifiers = w32_get_modifiers ();
3596 my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
3597 return 0;
3598
3599 case WM_WINDOWPOSCHANGING:
3600 /* Don't restrict the sizing of tip frames. */
3601 if (hwnd == tip_window)
3602 return 0;
3603 {
3604 WINDOWPLACEMENT wp;
3605 LPWINDOWPOS lppos = (WINDOWPOS *) lParam;
3606
3607 wp.length = sizeof (WINDOWPLACEMENT);
3608 GetWindowPlacement (hwnd, &wp);
3609
3610 if (wp.showCmd != SW_SHOWMINIMIZED && (lppos->flags & SWP_NOSIZE) == 0)
3611 {
3612 RECT rect;
3613 int wdiff;
3614 int hdiff;
3615 DWORD font_width;
3616 DWORD line_height;
3617 DWORD internal_border;
3618 DWORD scrollbar_extra;
3619 RECT wr;
3620
3621 wp.length = sizeof(wp);
3622 GetWindowRect (hwnd, &wr);
3623
3624 enter_crit ();
3625
3626 font_width = GetWindowLong (hwnd, WND_FONTWIDTH_INDEX);
3627 line_height = GetWindowLong (hwnd, WND_LINEHEIGHT_INDEX);
3628 internal_border = GetWindowLong (hwnd, WND_BORDER_INDEX);
3629 scrollbar_extra = GetWindowLong (hwnd, WND_SCROLLBAR_INDEX);
3630
3631 leave_crit ();
3632
3633 memset (&rect, 0, sizeof (rect));
3634 AdjustWindowRect (&rect, GetWindowLong (hwnd, GWL_STYLE),
3635 GetMenu (hwnd) != NULL);
3636
3637 /* Force width and height of client area to be exact
3638 multiples of the character cell dimensions. */
3639 wdiff = (lppos->cx - (rect.right - rect.left)
3640 - 2 * internal_border - scrollbar_extra)
3641 % font_width;
3642 hdiff = (lppos->cy - (rect.bottom - rect.top)
3643 - 2 * internal_border)
3644 % line_height;
3645
3646 if (wdiff || hdiff)
3647 {
3648 /* For right/bottom sizing we can just fix the sizes.
3649 However for top/left sizing we will need to fix the X
3650 and Y positions as well. */
3651
3652 lppos->cx -= wdiff;
3653 lppos->cy -= hdiff;
3654
3655 if (wp.showCmd != SW_SHOWMAXIMIZED
3656 && (lppos->flags & SWP_NOMOVE) == 0)
3657 {
3658 if (lppos->x != wr.left || lppos->y != wr.top)
3659 {
3660 lppos->x += wdiff;
3661 lppos->y += hdiff;
3662 }
3663 else
3664 {
3665 lppos->flags |= SWP_NOMOVE;
3666 }
3667 }
3668
3669 return 0;
3670 }
3671 }
3672 }
3673
3674 goto dflt;
3675
3676 case WM_GETMINMAXINFO:
3677 /* Hack to correct bug that allows Emacs frames to be resized
3678 below the Minimum Tracking Size. */
3679 ((LPMINMAXINFO) lParam)->ptMinTrackSize.y++;
3680 /* Hack to allow resizing the Emacs frame above the screen size.
3681 Note that Windows 9x limits coordinates to 16-bits. */
3682 ((LPMINMAXINFO) lParam)->ptMaxTrackSize.x = 32767;
3683 ((LPMINMAXINFO) lParam)->ptMaxTrackSize.y = 32767;
3684 return 0;
3685
3686 case WM_SETCURSOR:
3687 if (LOWORD (lParam) == HTCLIENT)
3688 return 0;
3689
3690 goto dflt;
3691
3692 case WM_EMACS_SETCURSOR:
3693 {
3694 Cursor cursor = (Cursor) wParam;
3695 if (cursor)
3696 SetCursor (cursor);
3697 return 0;
3698 }
3699
3700 case WM_EMACS_CREATESCROLLBAR:
3701 return (LRESULT) w32_createscrollbar ((struct frame *) wParam,
3702 (struct scroll_bar *) lParam);
3703
3704 case WM_EMACS_SHOWWINDOW:
3705 return ShowWindow ((HWND) wParam, (WPARAM) lParam);
3706
3707 case WM_EMACS_SETFOREGROUND:
3708 {
3709 HWND foreground_window;
3710 DWORD foreground_thread, retval;
3711
3712 /* On NT 5.0, and apparently Windows 98, it is necessary to
3713 attach to the thread that currently has focus in order to
3714 pull the focus away from it. */
3715 foreground_window = GetForegroundWindow ();
3716 foreground_thread = GetWindowThreadProcessId (foreground_window, NULL);
3717 if (!foreground_window
3718 || foreground_thread == GetCurrentThreadId ()
3719 || !AttachThreadInput (GetCurrentThreadId (),
3720 foreground_thread, TRUE))
3721 foreground_thread = 0;
3722
3723 retval = SetForegroundWindow ((HWND) wParam);
3724
3725 /* Detach from the previous foreground thread. */
3726 if (foreground_thread)
3727 AttachThreadInput (GetCurrentThreadId (),
3728 foreground_thread, FALSE);
3729
3730 return retval;
3731 }
3732
3733 case WM_EMACS_SETWINDOWPOS:
3734 {
3735 WINDOWPOS * pos = (WINDOWPOS *) wParam;
3736 return SetWindowPos (hwnd, pos->hwndInsertAfter,
3737 pos->x, pos->y, pos->cx, pos->cy, pos->flags);
3738 }
3739
3740 case WM_EMACS_DESTROYWINDOW:
3741 DragAcceptFiles ((HWND) wParam, FALSE);
3742 return DestroyWindow ((HWND) wParam);
3743
3744 case WM_EMACS_HIDE_CARET:
3745 return HideCaret (hwnd);
3746
3747 case WM_EMACS_SHOW_CARET:
3748 return ShowCaret (hwnd);
3749
3750 case WM_EMACS_DESTROY_CARET:
3751 w32_system_caret_hwnd = NULL;
3752 w32_visible_system_caret_hwnd = NULL;
3753 return DestroyCaret ();
3754
3755 case WM_EMACS_TRACK_CARET:
3756 /* If there is currently no system caret, create one. */
3757 if (w32_system_caret_hwnd == NULL)
3758 {
3759 /* Use the default caret width, and avoid changing it
3760 unneccesarily, as it confuses screen reader software. */
3761 w32_system_caret_hwnd = hwnd;
3762 CreateCaret (hwnd, NULL, 0,
3763 w32_system_caret_height);
3764 }
3765
3766 if (!SetCaretPos (w32_system_caret_x, w32_system_caret_y))
3767 return 0;
3768 /* Ensure visible caret gets turned on when requested. */
3769 else if (w32_use_visible_system_caret
3770 && w32_visible_system_caret_hwnd != hwnd)
3771 {
3772 w32_visible_system_caret_hwnd = hwnd;
3773 return ShowCaret (hwnd);
3774 }
3775 /* Ensure visible caret gets turned off when requested. */
3776 else if (!w32_use_visible_system_caret
3777 && w32_visible_system_caret_hwnd)
3778 {
3779 w32_visible_system_caret_hwnd = NULL;
3780 return HideCaret (hwnd);
3781 }
3782 else
3783 return 1;
3784
3785 case WM_EMACS_TRACKPOPUPMENU:
3786 {
3787 UINT flags;
3788 POINT *pos;
3789 int retval;
3790 pos = (POINT *)lParam;
3791 flags = TPM_CENTERALIGN;
3792 if (button_state & LMOUSE)
3793 flags |= TPM_LEFTBUTTON;
3794 else if (button_state & RMOUSE)
3795 flags |= TPM_RIGHTBUTTON;
3796
3797 /* Remember we did a SetCapture on the initial mouse down event,
3798 so for safety, we make sure the capture is cancelled now. */
3799 ReleaseCapture ();
3800 button_state = 0;
3801
3802 /* Use menubar_active to indicate that WM_INITMENU is from
3803 TrackPopupMenu below, and should be ignored. */
3804 f = x_window_to_frame (dpyinfo, hwnd);
3805 if (f)
3806 f->output_data.w32->menubar_active = 1;
3807
3808 if (TrackPopupMenu ((HMENU)wParam, flags, pos->x, pos->y,
3809 0, hwnd, NULL))
3810 {
3811 MSG amsg;
3812 /* Eat any mouse messages during popupmenu */
3813 while (PeekMessage (&amsg, hwnd, WM_MOUSEFIRST, WM_MOUSELAST,
3814 PM_REMOVE));
3815 /* Get the menu selection, if any */
3816 if (PeekMessage (&amsg, hwnd, WM_COMMAND, WM_COMMAND, PM_REMOVE))
3817 {
3818 retval = LOWORD (amsg.wParam);
3819 }
3820 else
3821 {
3822 retval = 0;
3823 }
3824 }
3825 else
3826 {
3827 retval = -1;
3828 }
3829
3830 return retval;
3831 }
3832
3833 default:
3834 /* Check for messages registered at runtime. */
3835 if (msg == msh_mousewheel)
3836 {
3837 wmsg.dwModifiers = w32_get_modifiers ();
3838 my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
3839 return 0;
3840 }
3841
3842 dflt:
3843 return DefWindowProc (hwnd, msg, wParam, lParam);
3844 }
3845
3846
3847 /* The most common default return code for handled messages is 0. */
3848 return 0;
3849 }
3850
3851 static void
3852 my_create_window (f)
3853 struct frame * f;
3854 {
3855 MSG msg;
3856
3857 if (!PostThreadMessage (dwWindowsThreadId, WM_EMACS_CREATEWINDOW, (WPARAM)f, 0))
3858 abort ();
3859 GetMessage (&msg, NULL, WM_EMACS_DONE, WM_EMACS_DONE);
3860 }
3861
3862
3863 /* Create a tooltip window. Unlike my_create_window, we do not do this
3864 indirectly via the Window thread, as we do not need to process Window
3865 messages for the tooltip. Creating tooltips indirectly also creates
3866 deadlocks when tooltips are created for menu items. */
3867 static void
3868 my_create_tip_window (f)
3869 struct frame *f;
3870 {
3871 RECT rect;
3872
3873 rect.left = rect.top = 0;
3874 rect.right = FRAME_PIXEL_WIDTH (f);
3875 rect.bottom = FRAME_PIXEL_HEIGHT (f);
3876
3877 AdjustWindowRect (&rect, f->output_data.w32->dwStyle,
3878 FRAME_EXTERNAL_MENU_BAR (f));
3879
3880 tip_window = FRAME_W32_WINDOW (f)
3881 = CreateWindow (EMACS_CLASS,
3882 f->namebuf,
3883 f->output_data.w32->dwStyle,
3884 f->left_pos,
3885 f->top_pos,
3886 rect.right - rect.left,
3887 rect.bottom - rect.top,
3888 FRAME_W32_WINDOW (SELECTED_FRAME ()), /* owner */
3889 NULL,
3890 hinst,
3891 NULL);
3892
3893 if (tip_window)
3894 {
3895 SetWindowLong (tip_window, WND_FONTWIDTH_INDEX, FRAME_COLUMN_WIDTH (f));
3896 SetWindowLong (tip_window, WND_LINEHEIGHT_INDEX, FRAME_LINE_HEIGHT (f));
3897 SetWindowLong (tip_window, WND_BORDER_INDEX, FRAME_INTERNAL_BORDER_WIDTH (f));
3898 SetWindowLong (tip_window, WND_BACKGROUND_INDEX, FRAME_BACKGROUND_PIXEL (f));
3899
3900 /* Tip frames have no scrollbars. */
3901 SetWindowLong (tip_window, WND_SCROLLBAR_INDEX, 0);
3902
3903 /* Do this to discard the default setting specified by our parent. */
3904 ShowWindow (tip_window, SW_HIDE);
3905 }
3906 }
3907
3908
3909 /* Create and set up the w32 window for frame F. */
3910
3911 static void
3912 w32_window (f, window_prompting, minibuffer_only)
3913 struct frame *f;
3914 long window_prompting;
3915 int minibuffer_only;
3916 {
3917 BLOCK_INPUT;
3918
3919 /* Use the resource name as the top-level window name
3920 for looking up resources. Make a non-Lisp copy
3921 for the window manager, so GC relocation won't bother it.
3922
3923 Elsewhere we specify the window name for the window manager. */
3924
3925 {
3926 char *str = (char *) SDATA (Vx_resource_name);
3927 f->namebuf = (char *) xmalloc (strlen (str) + 1);
3928 strcpy (f->namebuf, str);
3929 }
3930
3931 my_create_window (f);
3932
3933 validate_x_resource_name ();
3934
3935 /* x_set_name normally ignores requests to set the name if the
3936 requested name is the same as the current name. This is the one
3937 place where that assumption isn't correct; f->name is set, but
3938 the server hasn't been told. */
3939 {
3940 Lisp_Object name;
3941 int explicit = f->explicit_name;
3942
3943 f->explicit_name = 0;
3944 name = f->name;
3945 f->name = Qnil;
3946 x_set_name (f, name, explicit);
3947 }
3948
3949 UNBLOCK_INPUT;
3950
3951 if (!minibuffer_only && FRAME_EXTERNAL_MENU_BAR (f))
3952 initialize_frame_menubar (f);
3953
3954 if (FRAME_W32_WINDOW (f) == 0)
3955 error ("Unable to create window");
3956 }
3957
3958 /* Handle the icon stuff for this window. Perhaps later we might
3959 want an x_set_icon_position which can be called interactively as
3960 well. */
3961
3962 static void
3963 x_icon (f, parms)
3964 struct frame *f;
3965 Lisp_Object parms;
3966 {
3967 Lisp_Object icon_x, icon_y;
3968
3969 /* Set the position of the icon. Note that Windows 95 groups all
3970 icons in the tray. */
3971 icon_x = w32_get_arg (parms, Qicon_left, 0, 0, RES_TYPE_NUMBER);
3972 icon_y = w32_get_arg (parms, Qicon_top, 0, 0, RES_TYPE_NUMBER);
3973 if (!EQ (icon_x, Qunbound) && !EQ (icon_y, Qunbound))
3974 {
3975 CHECK_NUMBER (icon_x);
3976 CHECK_NUMBER (icon_y);
3977 }
3978 else if (!EQ (icon_x, Qunbound) || !EQ (icon_y, Qunbound))
3979 error ("Both left and top icon corners of icon must be specified");
3980
3981 BLOCK_INPUT;
3982
3983 if (! EQ (icon_x, Qunbound))
3984 x_wm_set_icon_position (f, XINT (icon_x), XINT (icon_y));
3985
3986 #if 0 /* TODO */
3987 /* Start up iconic or window? */
3988 x_wm_set_window_state
3989 (f, (EQ (w32_get_arg (parms, Qvisibility, 0, 0, RES_TYPE_SYMBOL), Qicon)
3990 ? IconicState
3991 : NormalState));
3992
3993 x_text_icon (f, (char *) SDATA ((!NILP (f->icon_name)
3994 ? f->icon_name
3995 : f->name)));
3996 #endif
3997
3998 UNBLOCK_INPUT;
3999 }
4000
4001
4002 static void
4003 x_make_gc (f)
4004 struct frame *f;
4005 {
4006 XGCValues gc_values;
4007
4008 BLOCK_INPUT;
4009
4010 /* Create the GC's of this frame.
4011 Note that many default values are used. */
4012
4013 /* Normal video */
4014 gc_values.font = FRAME_FONT (f);
4015
4016 /* Cursor has cursor-color background, background-color foreground. */
4017 gc_values.foreground = FRAME_BACKGROUND_PIXEL (f);
4018 gc_values.background = f->output_data.w32->cursor_pixel;
4019 f->output_data.w32->cursor_gc
4020 = XCreateGC (NULL, FRAME_W32_WINDOW (f),
4021 (GCFont | GCForeground | GCBackground),
4022 &gc_values);
4023
4024 /* Reliefs. */
4025 f->output_data.w32->white_relief.gc = 0;
4026 f->output_data.w32->black_relief.gc = 0;
4027
4028 UNBLOCK_INPUT;
4029 }
4030
4031
4032 /* Handler for signals raised during x_create_frame and
4033 x_create_top_frame. FRAME is the frame which is partially
4034 constructed. */
4035
4036 static Lisp_Object
4037 unwind_create_frame (frame)
4038 Lisp_Object frame;
4039 {
4040 struct frame *f = XFRAME (frame);
4041
4042 /* If frame is ``official'', nothing to do. */
4043 if (!CONSP (Vframe_list) || !EQ (XCAR (Vframe_list), frame))
4044 {
4045 #ifdef GLYPH_DEBUG
4046 struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f);
4047 #endif
4048
4049 x_free_frame_resources (f);
4050
4051 /* Check that reference counts are indeed correct. */
4052 xassert (dpyinfo->reference_count == dpyinfo_refcount);
4053 xassert (dpyinfo->image_cache->refcount == image_cache_refcount);
4054
4055 return Qt;
4056 }
4057
4058 return Qnil;
4059 }
4060
4061
4062 DEFUN ("x-create-frame", Fx_create_frame, Sx_create_frame,
4063 1, 1, 0,
4064 doc: /* Make a new window, which is called a \"frame\" in Emacs terms.
4065 Returns an Emacs frame object.
4066 PARAMETERS is an alist of frame parameters.
4067 If the parameters specify that the frame should not have a minibuffer,
4068 and do not specify a specific minibuffer window to use,
4069 then `default-minibuffer-frame' must be a frame whose minibuffer can
4070 be shared by the new frame.
4071
4072 This function is an internal primitive--use `make-frame' instead. */)
4073 (parameters)
4074 Lisp_Object parameters;
4075 {
4076 struct frame *f;
4077 Lisp_Object frame, tem;
4078 Lisp_Object name;
4079 int minibuffer_only = 0;
4080 long window_prompting = 0;
4081 int width, height;
4082 int count = SPECPDL_INDEX ();
4083 struct gcpro gcpro1, gcpro2, gcpro3, gcpro4;
4084 Lisp_Object display;
4085 struct w32_display_info *dpyinfo = NULL;
4086 Lisp_Object parent;
4087 struct kboard *kb;
4088
4089 check_w32 ();
4090
4091 /* Use this general default value to start with
4092 until we know if this frame has a specified name. */
4093 Vx_resource_name = Vinvocation_name;
4094
4095 display = w32_get_arg (parameters, Qdisplay, 0, 0, RES_TYPE_STRING);
4096 if (EQ (display, Qunbound))
4097 display = Qnil;
4098 dpyinfo = check_x_display_info (display);
4099 #ifdef MULTI_KBOARD
4100 kb = dpyinfo->kboard;
4101 #else
4102 kb = &the_only_kboard;
4103 #endif
4104
4105 name = w32_get_arg (parameters, Qname, "name", "Name", RES_TYPE_STRING);
4106 if (!STRINGP (name)
4107 && ! EQ (name, Qunbound)
4108 && ! NILP (name))
4109 error ("Invalid frame name--not a string or nil");
4110
4111 if (STRINGP (name))
4112 Vx_resource_name = name;
4113
4114 /* See if parent window is specified. */
4115 parent = w32_get_arg (parameters, Qparent_id, NULL, NULL, RES_TYPE_NUMBER);
4116 if (EQ (parent, Qunbound))
4117 parent = Qnil;
4118 if (! NILP (parent))
4119 CHECK_NUMBER (parent);
4120
4121 /* make_frame_without_minibuffer can run Lisp code and garbage collect. */
4122 /* No need to protect DISPLAY because that's not used after passing
4123 it to make_frame_without_minibuffer. */
4124 frame = Qnil;
4125 GCPRO4 (parameters, parent, name, frame);
4126 tem = w32_get_arg (parameters, Qminibuffer, "minibuffer", "Minibuffer",
4127 RES_TYPE_SYMBOL);
4128 if (EQ (tem, Qnone) || NILP (tem))
4129 f = make_frame_without_minibuffer (Qnil, kb, display);
4130 else if (EQ (tem, Qonly))
4131 {
4132 f = make_minibuffer_frame ();
4133 minibuffer_only = 1;
4134 }
4135 else if (WINDOWP (tem))
4136 f = make_frame_without_minibuffer (tem, kb, display);
4137 else
4138 f = make_frame (1);
4139
4140 XSETFRAME (frame, f);
4141
4142 /* Note that Windows does support scroll bars. */
4143 FRAME_CAN_HAVE_SCROLL_BARS (f) = 1;
4144
4145 /* By default, make scrollbars the system standard width. */
4146 FRAME_CONFIG_SCROLL_BAR_WIDTH (f) = GetSystemMetrics (SM_CXVSCROLL);
4147
4148 f->output_method = output_w32;
4149 f->output_data.w32 =
4150 (struct w32_output *) xmalloc (sizeof (struct w32_output));
4151 bzero (f->output_data.w32, sizeof (struct w32_output));
4152 FRAME_FONTSET (f) = -1;
4153 record_unwind_protect (unwind_create_frame, frame);
4154
4155 f->icon_name
4156 = w32_get_arg (parameters, Qicon_name, "iconName", "Title", RES_TYPE_STRING);
4157 if (! STRINGP (f->icon_name))
4158 f->icon_name = Qnil;
4159
4160 /* FRAME_W32_DISPLAY_INFO (f) = dpyinfo; */
4161 #ifdef MULTI_KBOARD
4162 FRAME_KBOARD (f) = kb;
4163 #endif
4164
4165 /* Specify the parent under which to make this window. */
4166
4167 if (!NILP (parent))
4168 {
4169 f->output_data.w32->parent_desc = (Window) XFASTINT (parent);
4170 f->output_data.w32->explicit_parent = 1;
4171 }
4172 else
4173 {
4174 f->output_data.w32->parent_desc = FRAME_W32_DISPLAY_INFO (f)->root_window;
4175 f->output_data.w32->explicit_parent = 0;
4176 }
4177
4178 /* Set the name; the functions to which we pass f expect the name to
4179 be set. */
4180 if (EQ (name, Qunbound) || NILP (name))
4181 {
4182 f->name = build_string (dpyinfo->w32_id_name);
4183 f->explicit_name = 0;
4184 }
4185 else
4186 {
4187 f->name = name;
4188 f->explicit_name = 1;
4189 /* use the frame's title when getting resources for this frame. */
4190 specbind (Qx_resource_name, name);
4191 }
4192
4193 /* Extract the window parameters from the supplied values
4194 that are needed to determine window geometry. */
4195 {
4196 Lisp_Object font;
4197
4198 font = w32_get_arg (parameters, Qfont, "font", "Font", RES_TYPE_STRING);
4199
4200 BLOCK_INPUT;
4201 /* First, try whatever font the caller has specified. */
4202 if (STRINGP (font))
4203 {
4204 tem = Fquery_fontset (font, Qnil);
4205 if (STRINGP (tem))
4206 font = x_new_fontset (f, tem);
4207 else
4208 font = x_new_font (f, SDATA (font));
4209 }
4210 /* Try out a font which we hope has bold and italic variations. */
4211 if (!STRINGP (font))
4212 font = x_new_font (f, "-*-Courier New-normal-r-*-*-*-100-*-*-c-*-iso8859-1");
4213 if (! STRINGP (font))
4214 font = x_new_font (f, "-*-Courier-normal-r-*-*-13-*-*-*-c-*-iso8859-1");
4215 /* If those didn't work, look for something which will at least work. */
4216 if (! STRINGP (font))
4217 font = x_new_font (f, "-*-Fixedsys-normal-r-*-*-12-*-*-*-c-*-iso8859-1");
4218 UNBLOCK_INPUT;
4219 if (! STRINGP (font))
4220 font = build_string ("Fixedsys");
4221
4222 x_default_parameter (f, parameters, Qfont, font,
4223 "font", "Font", RES_TYPE_STRING);
4224 }
4225
4226 x_default_parameter (f, parameters, Qborder_width, make_number (2),
4227 "borderWidth", "BorderWidth", RES_TYPE_NUMBER);
4228 /* This defaults to 2 in order to match xterm. We recognize either
4229 internalBorderWidth or internalBorder (which is what xterm calls
4230 it). */
4231 if (NILP (Fassq (Qinternal_border_width, parameters)))
4232 {
4233 Lisp_Object value;
4234
4235 value = w32_get_arg (parameters, Qinternal_border_width,
4236 "internalBorder", "InternalBorder", RES_TYPE_NUMBER);
4237 if (! EQ (value, Qunbound))
4238 parameters = Fcons (Fcons (Qinternal_border_width, value),
4239 parameters);
4240 }
4241 /* Default internalBorderWidth to 0 on Windows to match other programs. */
4242 x_default_parameter (f, parameters, Qinternal_border_width, make_number (0),
4243 "internalBorderWidth", "InternalBorder", RES_TYPE_NUMBER);
4244 x_default_parameter (f, parameters, Qvertical_scroll_bars, Qright,
4245 "verticalScrollBars", "ScrollBars", RES_TYPE_SYMBOL);
4246
4247 /* Also do the stuff which must be set before the window exists. */
4248 x_default_parameter (f, parameters, Qforeground_color, build_string ("black"),
4249 "foreground", "Foreground", RES_TYPE_STRING);
4250 x_default_parameter (f, parameters, Qbackground_color, build_string ("white"),
4251 "background", "Background", RES_TYPE_STRING);
4252 x_default_parameter (f, parameters, Qmouse_color, build_string ("black"),
4253 "pointerColor", "Foreground", RES_TYPE_STRING);
4254 x_default_parameter (f, parameters, Qcursor_color, build_string ("black"),
4255 "cursorColor", "Foreground", RES_TYPE_STRING);
4256 x_default_parameter (f, parameters, Qborder_color, build_string ("black"),
4257 "borderColor", "BorderColor", RES_TYPE_STRING);
4258 x_default_parameter (f, parameters, Qscreen_gamma, Qnil,
4259 "screenGamma", "ScreenGamma", RES_TYPE_FLOAT);
4260 x_default_parameter (f, parameters, Qline_spacing, Qnil,
4261 "lineSpacing", "LineSpacing", RES_TYPE_NUMBER);
4262 x_default_parameter (f, parameters, Qleft_fringe, Qnil,
4263 "leftFringe", "LeftFringe", RES_TYPE_NUMBER);
4264 x_default_parameter (f, parameters, Qright_fringe, Qnil,
4265 "rightFringe", "RightFringe", RES_TYPE_NUMBER);
4266
4267
4268 /* Init faces before x_default_parameter is called for scroll-bar
4269 parameters because that function calls x_set_scroll_bar_width,
4270 which calls change_frame_size, which calls Fset_window_buffer,
4271 which runs hooks, which call Fvertical_motion. At the end, we
4272 end up in init_iterator with a null face cache, which should not
4273 happen. */
4274 init_frame_faces (f);
4275
4276 x_default_parameter (f, parameters, Qmenu_bar_lines, make_number (1),
4277 "menuBar", "MenuBar", RES_TYPE_NUMBER);
4278 x_default_parameter (f, parameters, Qtool_bar_lines, make_number (1),
4279 "toolBar", "ToolBar", RES_TYPE_NUMBER);
4280
4281 x_default_parameter (f, parameters, Qbuffer_predicate, Qnil,
4282 "bufferPredicate", "BufferPredicate", RES_TYPE_SYMBOL);
4283 x_default_parameter (f, parameters, Qtitle, Qnil,
4284 "title", "Title", RES_TYPE_STRING);
4285 x_default_parameter (f, parameters, Qfullscreen, Qnil,
4286 "fullscreen", "Fullscreen", RES_TYPE_SYMBOL);
4287
4288 f->output_data.w32->dwStyle = WS_OVERLAPPEDWINDOW;
4289 f->output_data.w32->parent_desc = FRAME_W32_DISPLAY_INFO (f)->root_window;
4290
4291 f->output_data.w32->text_cursor = w32_load_cursor (IDC_IBEAM);
4292 f->output_data.w32->nontext_cursor = w32_load_cursor (IDC_ARROW);
4293 f->output_data.w32->modeline_cursor = w32_load_cursor (IDC_ARROW);
4294 f->output_data.w32->hand_cursor = w32_load_cursor (IDC_HAND);
4295 f->output_data.w32->hourglass_cursor = w32_load_cursor (IDC_WAIT);
4296 f->output_data.w32->horizontal_drag_cursor = w32_load_cursor (IDC_SIZEWE);
4297
4298 window_prompting = x_figure_window_size (f, parameters, 1);
4299
4300 tem = w32_get_arg (parameters, Qunsplittable, 0, 0, RES_TYPE_BOOLEAN);
4301 f->no_split = minibuffer_only || EQ (tem, Qt);
4302
4303 w32_window (f, window_prompting, minibuffer_only);
4304 x_icon (f, parameters);
4305
4306 x_make_gc (f);
4307
4308 /* Now consider the frame official. */
4309 FRAME_W32_DISPLAY_INFO (f)->reference_count++;
4310 Vframe_list = Fcons (frame, Vframe_list);
4311
4312 /* We need to do this after creating the window, so that the
4313 icon-creation functions can say whose icon they're describing. */
4314 x_default_parameter (f, parameters, Qicon_type, Qnil,
4315 "bitmapIcon", "BitmapIcon", RES_TYPE_SYMBOL);
4316
4317 x_default_parameter (f, parameters, Qauto_raise, Qnil,
4318 "autoRaise", "AutoRaiseLower", RES_TYPE_BOOLEAN);
4319 x_default_parameter (f, parameters, Qauto_lower, Qnil,
4320 "autoLower", "AutoRaiseLower", RES_TYPE_BOOLEAN);
4321 x_default_parameter (f, parameters, Qcursor_type, Qbox,
4322 "cursorType", "CursorType", RES_TYPE_SYMBOL);
4323 x_default_parameter (f, parameters, Qscroll_bar_width, Qnil,
4324 "scrollBarWidth", "ScrollBarWidth", RES_TYPE_NUMBER);
4325
4326 /* Dimensions, especially FRAME_LINES (f), must be done via change_frame_size.
4327 Change will not be effected unless different from the current
4328 FRAME_LINES (f). */
4329 width = FRAME_COLS (f);
4330 height = FRAME_LINES (f);
4331
4332 FRAME_LINES (f) = 0;
4333 SET_FRAME_COLS (f, 0);
4334 change_frame_size (f, height, width, 1, 0, 0);
4335
4336 /* Tell the server what size and position, etc, we want, and how
4337 badly we want them. This should be done after we have the menu
4338 bar so that its size can be taken into account. */
4339 BLOCK_INPUT;
4340 x_wm_set_size_hint (f, window_prompting, 0);
4341 UNBLOCK_INPUT;
4342
4343 /* Avoid a bug that causes the new frame to never become visible if
4344 an echo area message is displayed during the following call1. */
4345 specbind(Qredisplay_dont_pause, Qt);
4346
4347 /* Set up faces after all frame parameters are known. This call
4348 also merges in face attributes specified for new frames. If we
4349 don't do this, the `menu' face for instance won't have the right
4350 colors, and the menu bar won't appear in the specified colors for
4351 new frames. */
4352 call1 (Qface_set_after_frame_default, frame);
4353
4354 /* Make the window appear on the frame and enable display, unless
4355 the caller says not to. However, with explicit parent, Emacs
4356 cannot control visibility, so don't try. */
4357 if (! f->output_data.w32->explicit_parent)
4358 {
4359 Lisp_Object visibility;
4360
4361 visibility = w32_get_arg (parameters, Qvisibility, 0, 0, RES_TYPE_SYMBOL);
4362 if (EQ (visibility, Qunbound))
4363 visibility = Qt;
4364
4365 if (EQ (visibility, Qicon))
4366 x_iconify_frame (f);
4367 else if (! NILP (visibility))
4368 x_make_frame_visible (f);
4369 else
4370 /* Must have been Qnil. */
4371 ;
4372 }
4373 UNGCPRO;
4374
4375 /* Make sure windows on this frame appear in calls to next-window
4376 and similar functions. */
4377 Vwindow_list = Qnil;
4378
4379 return unbind_to (count, frame);
4380 }
4381
4382 /* FRAME is used only to get a handle on the X display. We don't pass the
4383 display info directly because we're called from frame.c, which doesn't
4384 know about that structure. */
4385 Lisp_Object
4386 x_get_focus_frame (frame)
4387 struct frame *frame;
4388 {
4389 struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (frame);
4390 Lisp_Object xfocus;
4391 if (! dpyinfo->w32_focus_frame)
4392 return Qnil;
4393
4394 XSETFRAME (xfocus, dpyinfo->w32_focus_frame);
4395 return xfocus;
4396 }
4397
4398 DEFUN ("w32-focus-frame", Fw32_focus_frame, Sw32_focus_frame, 1, 1, 0,
4399 doc: /* Give FRAME input focus, raising to foreground if necessary. */)
4400 (frame)
4401 Lisp_Object frame;
4402 {
4403 x_focus_on_frame (check_x_frame (frame));
4404 return Qnil;
4405 }
4406
4407 \f
4408 /* Return the charset portion of a font name. */
4409 char * xlfd_charset_of_font (char * fontname)
4410 {
4411 char *charset, *encoding;
4412
4413 encoding = strrchr(fontname, '-');
4414 if (!encoding || encoding == fontname)
4415 return NULL;
4416
4417 for (charset = encoding - 1; charset >= fontname; charset--)
4418 if (*charset == '-')
4419 break;
4420
4421 if (charset == fontname || strcmp(charset, "-*-*") == 0)
4422 return NULL;
4423
4424 return charset + 1;
4425 }
4426
4427 struct font_info *w32_load_bdf_font (struct frame *f, char *fontname,
4428 int size, char* filename);
4429 static Lisp_Object w32_list_bdf_fonts (Lisp_Object pattern, int max_names);
4430 static BOOL w32_to_x_font (LOGFONT * lplf, char * lpxstr, int len,
4431 char * charset);
4432 static BOOL x_to_w32_font (char *lpxstr, LOGFONT *lplogfont);
4433
4434 static struct font_info *
4435 w32_load_system_font (f,fontname,size)
4436 struct frame *f;
4437 char * fontname;
4438 int size;
4439 {
4440 struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f);
4441 Lisp_Object font_names;
4442
4443 /* Get a list of all the fonts that match this name. Once we
4444 have a list of matching fonts, we compare them against the fonts
4445 we already have loaded by comparing names. */
4446 font_names = w32_list_fonts (f, build_string (fontname), size, 100);
4447
4448 if (!NILP (font_names))
4449 {
4450 Lisp_Object tail;
4451 int i;
4452
4453 /* First check if any are already loaded, as that is cheaper
4454 than loading another one. */
4455 for (i = 0; i < dpyinfo->n_fonts; i++)
4456 for (tail = font_names; CONSP (tail); tail = XCDR (tail))
4457 if (dpyinfo->font_table[i].name
4458 && (!strcmp (dpyinfo->font_table[i].name,
4459 SDATA (XCAR (tail)))
4460 || !strcmp (dpyinfo->font_table[i].full_name,
4461 SDATA (XCAR (tail)))))
4462 return (dpyinfo->font_table + i);
4463
4464 fontname = (char *) SDATA (XCAR (font_names));
4465 }
4466 else if (w32_strict_fontnames)
4467 {
4468 /* If EnumFontFamiliesEx was available, we got a full list of
4469 fonts back so stop now to avoid the possibility of loading a
4470 random font. If we had to fall back to EnumFontFamilies, the
4471 list is incomplete, so continue whether the font we want was
4472 listed or not. */
4473 HMODULE gdi32 = GetModuleHandle ("gdi32.dll");
4474 FARPROC enum_font_families_ex
4475 = GetProcAddress (gdi32, "EnumFontFamiliesExA");
4476 if (enum_font_families_ex)
4477 return NULL;
4478 }
4479
4480 /* Load the font and add it to the table. */
4481 {
4482 char *full_name, *encoding, *charset;
4483 XFontStruct *font;
4484 struct font_info *fontp;
4485 LOGFONT lf;
4486 BOOL ok;
4487 int codepage;
4488 int i;
4489
4490 if (!fontname || !x_to_w32_font (fontname, &lf))
4491 return (NULL);
4492
4493 if (!*lf.lfFaceName)
4494 /* If no name was specified for the font, we get a random font
4495 from CreateFontIndirect - this is not particularly
4496 desirable, especially since CreateFontIndirect does not
4497 fill out the missing name in lf, so we never know what we
4498 ended up with. */
4499 return NULL;
4500
4501 lf.lfQuality = DEFAULT_QUALITY;
4502
4503 font = (XFontStruct *) xmalloc (sizeof (XFontStruct));
4504 bzero (font, sizeof (*font));
4505
4506 /* Set bdf to NULL to indicate that this is a Windows font. */
4507 font->bdf = NULL;
4508
4509 BLOCK_INPUT;
4510
4511 font->hfont = CreateFontIndirect (&lf);
4512
4513 if (font->hfont == NULL)
4514 {
4515 ok = FALSE;
4516 }
4517 else
4518 {
4519 HDC hdc;
4520 HANDLE oldobj;
4521
4522 codepage = w32_codepage_for_font (fontname);
4523
4524 hdc = GetDC (dpyinfo->root_window);
4525 oldobj = SelectObject (hdc, font->hfont);
4526
4527 ok = GetTextMetrics (hdc, &font->tm);
4528 if (codepage == CP_UNICODE)
4529 font->double_byte_p = 1;
4530 else
4531 {
4532 /* Unfortunately, some fonts (eg. MingLiU, a big5 ttf font)
4533 don't report themselves as double byte fonts, when
4534 patently they are. So instead of trusting
4535 GetFontLanguageInfo, we check the properties of the
4536 codepage directly, since that is ultimately what we are
4537 working from anyway. */
4538 /* font->double_byte_p = GetFontLanguageInfo(hdc) & GCP_DBCS; */
4539 CPINFO cpi = {0};
4540 GetCPInfo (codepage, &cpi);
4541 font->double_byte_p = cpi.MaxCharSize > 1;
4542 }
4543
4544 SelectObject (hdc, oldobj);
4545 ReleaseDC (dpyinfo->root_window, hdc);
4546 /* Fill out details in lf according to the font that was
4547 actually loaded. */
4548 lf.lfHeight = font->tm.tmInternalLeading - font->tm.tmHeight;
4549 lf.lfWidth = font->tm.tmMaxCharWidth;
4550 lf.lfWeight = font->tm.tmWeight;
4551 lf.lfItalic = font->tm.tmItalic;
4552 lf.lfCharSet = font->tm.tmCharSet;
4553 lf.lfPitchAndFamily = ((font->tm.tmPitchAndFamily & TMPF_FIXED_PITCH)
4554 ? VARIABLE_PITCH : FIXED_PITCH);
4555 lf.lfOutPrecision = ((font->tm.tmPitchAndFamily & TMPF_VECTOR)
4556 ? OUT_STROKE_PRECIS : OUT_STRING_PRECIS);
4557
4558 w32_cache_char_metrics (font);
4559 }
4560
4561 UNBLOCK_INPUT;
4562
4563 if (!ok)
4564 {
4565 w32_unload_font (dpyinfo, font);
4566 return (NULL);
4567 }
4568
4569 /* Find a free slot in the font table. */
4570 for (i = 0; i < dpyinfo->n_fonts; ++i)
4571 if (dpyinfo->font_table[i].name == NULL)
4572 break;
4573
4574 /* If no free slot found, maybe enlarge the font table. */
4575 if (i == dpyinfo->n_fonts
4576 && dpyinfo->n_fonts == dpyinfo->font_table_size)
4577 {
4578 int sz;
4579 dpyinfo->font_table_size = max (16, 2 * dpyinfo->font_table_size);
4580 sz = dpyinfo->font_table_size * sizeof *dpyinfo->font_table;
4581 dpyinfo->font_table
4582 = (struct font_info *) xrealloc (dpyinfo->font_table, sz);
4583 }
4584
4585 fontp = dpyinfo->font_table + i;
4586 if (i == dpyinfo->n_fonts)
4587 ++dpyinfo->n_fonts;
4588
4589 /* Now fill in the slots of *FONTP. */
4590 BLOCK_INPUT;
4591 bzero (fontp, sizeof (*fontp));
4592 fontp->font = font;
4593 fontp->font_idx = i;
4594 fontp->name = (char *) xmalloc (strlen (fontname) + 1);
4595 bcopy (fontname, fontp->name, strlen (fontname) + 1);
4596
4597 if (lf.lfPitchAndFamily == FIXED_PITCH)
4598 {
4599 /* Fixed width font. */
4600 fontp->average_width = fontp->space_width = FONT_WIDTH (font);
4601 }
4602 else
4603 {
4604 wchar_t space = 32;
4605 XCharStruct* pcm;
4606 pcm = w32_per_char_metric (font, &space, ANSI_FONT);
4607 if (pcm)
4608 fontp->space_width = pcm->width;
4609 else
4610 fontp->space_width = FONT_WIDTH (font);
4611
4612 fontp->average_width = font->tm.tmAveCharWidth;
4613 }
4614
4615
4616 fontp->charset = -1;
4617 charset = xlfd_charset_of_font (fontname);
4618
4619 /* Cache the W32 codepage for a font. This makes w32_encode_char
4620 (called for every glyph during redisplay) much faster. */
4621 fontp->codepage = codepage;
4622
4623 /* Work out the font's full name. */
4624 full_name = (char *)xmalloc (100);
4625 if (full_name && w32_to_x_font (&lf, full_name, 100, charset))
4626 fontp->full_name = full_name;
4627 else
4628 {
4629 /* If all else fails - just use the name we used to load it. */
4630 xfree (full_name);
4631 fontp->full_name = fontp->name;
4632 }
4633
4634 fontp->size = FONT_WIDTH (font);
4635 fontp->height = FONT_HEIGHT (font);
4636
4637 /* The slot `encoding' specifies how to map a character
4638 code-points (0x20..0x7F or 0x2020..0x7F7F) of each charset to
4639 the font code-points (0:0x20..0x7F, 1:0xA0..0xFF), or
4640 (0:0x20..0x7F, 1:0xA0..0xFF,
4641 (0:0x2020..0x7F7F, 1:0xA0A0..0xFFFF, 3:0x20A0..0x7FFF,
4642 2:0xA020..0xFF7F). For the moment, we don't know which charset
4643 uses this font. So, we set information in fontp->encoding_type
4644 which is never used by any charset. If mapping can't be
4645 decided, set FONT_ENCODING_NOT_DECIDED. */
4646
4647 /* SJIS fonts need to be set to type 4, all others seem to work as
4648 type FONT_ENCODING_NOT_DECIDED. */
4649 encoding = strrchr (fontp->name, '-');
4650 if (encoding && strnicmp (encoding+1, "sjis", 4) == 0)
4651 fontp->encoding_type = 4;
4652 else
4653 fontp->encoding_type = FONT_ENCODING_NOT_DECIDED;
4654
4655 /* The following three values are set to 0 under W32, which is
4656 what they get set to if XGetFontProperty fails under X. */
4657 fontp->baseline_offset = 0;
4658 fontp->relative_compose = 0;
4659 fontp->default_ascent = 0;
4660
4661 /* Set global flag fonts_changed_p to non-zero if the font loaded
4662 has a character with a smaller width than any other character
4663 before, or if the font loaded has a smaller height than any
4664 other font loaded before. If this happens, it will make a
4665 glyph matrix reallocation necessary. */
4666 fonts_changed_p |= x_compute_min_glyph_bounds (f);
4667 UNBLOCK_INPUT;
4668 return fontp;
4669 }
4670 }
4671
4672 /* Load font named FONTNAME of size SIZE for frame F, and return a
4673 pointer to the structure font_info while allocating it dynamically.
4674 If loading fails, return NULL. */
4675 struct font_info *
4676 w32_load_font (f,fontname,size)
4677 struct frame *f;
4678 char * fontname;
4679 int size;
4680 {
4681 Lisp_Object bdf_fonts;
4682 struct font_info *retval = NULL;
4683 struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f);
4684
4685 bdf_fonts = w32_list_bdf_fonts (build_string (fontname), 1);
4686
4687 while (!retval && CONSP (bdf_fonts))
4688 {
4689 char *bdf_name, *bdf_file;
4690 Lisp_Object bdf_pair;
4691 int i;
4692
4693 bdf_name = SDATA (XCAR (bdf_fonts));
4694 bdf_pair = Fassoc (XCAR (bdf_fonts), Vw32_bdf_filename_alist);
4695 bdf_file = SDATA (XCDR (bdf_pair));
4696
4697 // If the font is already loaded, do not load it again.
4698 for (i = 0; i < dpyinfo->n_fonts; i++)
4699 {
4700 if ((dpyinfo->font_table[i].name
4701 && !strcmp (dpyinfo->font_table[i].name, bdf_name))
4702 || (dpyinfo->font_table[i].full_name
4703 && !strcmp (dpyinfo->font_table[i].full_name, bdf_name)))
4704 return dpyinfo->font_table + i;
4705 }
4706
4707 retval = w32_load_bdf_font (f, bdf_name, size, bdf_file);
4708
4709 bdf_fonts = XCDR (bdf_fonts);
4710 }
4711
4712 if (retval)
4713 return retval;
4714
4715 return w32_load_system_font(f, fontname, size);
4716 }
4717
4718
4719 void
4720 w32_unload_font (dpyinfo, font)
4721 struct w32_display_info *dpyinfo;
4722 XFontStruct * font;
4723 {
4724 if (font)
4725 {
4726 if (font->per_char) xfree (font->per_char);
4727 if (font->bdf) w32_free_bdf_font (font->bdf);
4728
4729 if (font->hfont) DeleteObject(font->hfont);
4730 xfree (font);
4731 }
4732 }
4733
4734 /* The font conversion stuff between x and w32 */
4735
4736 /* X font string is as follows (from faces.el)
4737 * (let ((- "[-?]")
4738 * (foundry "[^-]+")
4739 * (family "[^-]+")
4740 * (weight "\\(bold\\|demibold\\|medium\\)") ; 1
4741 * (weight\? "\\([^-]*\\)") ; 1
4742 * (slant "\\([ior]\\)") ; 2
4743 * (slant\? "\\([^-]?\\)") ; 2
4744 * (swidth "\\([^-]*\\)") ; 3
4745 * (adstyle "[^-]*") ; 4
4746 * (pixelsize "[0-9]+")
4747 * (pointsize "[0-9][0-9]+")
4748 * (resx "[0-9][0-9]+")
4749 * (resy "[0-9][0-9]+")
4750 * (spacing "[cmp?*]")
4751 * (avgwidth "[0-9]+")
4752 * (registry "[^-]+")
4753 * (encoding "[^-]+")
4754 * )
4755 */
4756
4757 static LONG
4758 x_to_w32_weight (lpw)
4759 char * lpw;
4760 {
4761 if (!lpw) return (FW_DONTCARE);
4762
4763 if (stricmp (lpw,"heavy") == 0) return FW_HEAVY;
4764 else if (stricmp (lpw,"extrabold") == 0) return FW_EXTRABOLD;
4765 else if (stricmp (lpw,"bold") == 0) return FW_BOLD;
4766 else if (stricmp (lpw,"demibold") == 0) return FW_SEMIBOLD;
4767 else if (stricmp (lpw,"semibold") == 0) return FW_SEMIBOLD;
4768 else if (stricmp (lpw,"medium") == 0) return FW_MEDIUM;
4769 else if (stricmp (lpw,"normal") == 0) return FW_NORMAL;
4770 else if (stricmp (lpw,"light") == 0) return FW_LIGHT;
4771 else if (stricmp (lpw,"extralight") == 0) return FW_EXTRALIGHT;
4772 else if (stricmp (lpw,"thin") == 0) return FW_THIN;
4773 else
4774 return FW_DONTCARE;
4775 }
4776
4777
4778 static char *
4779 w32_to_x_weight (fnweight)
4780 int fnweight;
4781 {
4782 if (fnweight >= FW_HEAVY) return "heavy";
4783 if (fnweight >= FW_EXTRABOLD) return "extrabold";
4784 if (fnweight >= FW_BOLD) return "bold";
4785 if (fnweight >= FW_SEMIBOLD) return "demibold";
4786 if (fnweight >= FW_MEDIUM) return "medium";
4787 if (fnweight >= FW_NORMAL) return "normal";
4788 if (fnweight >= FW_LIGHT) return "light";
4789 if (fnweight >= FW_EXTRALIGHT) return "extralight";
4790 if (fnweight >= FW_THIN) return "thin";
4791 else
4792 return "*";
4793 }
4794
4795 static LONG
4796 x_to_w32_charset (lpcs)
4797 char * lpcs;
4798 {
4799 Lisp_Object this_entry, w32_charset;
4800 char *charset;
4801 int len = strlen (lpcs);
4802
4803 /* Support "*-#nnn" format for unknown charsets. */
4804 if (strncmp (lpcs, "*-#", 3) == 0)
4805 return atoi (lpcs + 3);
4806
4807 /* All Windows fonts qualify as unicode. */
4808 if (!strncmp (lpcs, "iso10646", 8))
4809 return DEFAULT_CHARSET;
4810
4811 /* Handle wildcards by ignoring them; eg. treat "big5*-*" as "big5". */
4812 charset = alloca (len + 1);
4813 strcpy (charset, lpcs);
4814 lpcs = strchr (charset, '*');
4815 if (lpcs)
4816 *lpcs = '\0';
4817
4818 /* Look through w32-charset-info-alist for the character set.
4819 Format of each entry is
4820 (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE)).
4821 */
4822 this_entry = Fassoc (build_string(charset), Vw32_charset_info_alist);
4823
4824 if (NILP(this_entry))
4825 {
4826 /* At startup, we want iso8859-1 fonts to come up properly. */
4827 if (stricmp(charset, "iso8859-1") == 0)
4828 return ANSI_CHARSET;
4829 else
4830 return DEFAULT_CHARSET;
4831 }
4832
4833 w32_charset = Fcar (Fcdr (this_entry));
4834
4835 /* Translate Lisp symbol to number. */
4836 if (EQ (w32_charset, Qw32_charset_ansi))
4837 return ANSI_CHARSET;
4838 if (EQ (w32_charset, Qw32_charset_symbol))
4839 return SYMBOL_CHARSET;
4840 if (EQ (w32_charset, Qw32_charset_shiftjis))
4841 return SHIFTJIS_CHARSET;
4842 if (EQ (w32_charset, Qw32_charset_hangeul))
4843 return HANGEUL_CHARSET;
4844 if (EQ (w32_charset, Qw32_charset_chinesebig5))
4845 return CHINESEBIG5_CHARSET;
4846 if (EQ (w32_charset, Qw32_charset_gb2312))
4847 return GB2312_CHARSET;
4848 if (EQ (w32_charset, Qw32_charset_oem))
4849 return OEM_CHARSET;
4850 #ifdef JOHAB_CHARSET
4851 if (EQ (w32_charset, Qw32_charset_johab))
4852 return JOHAB_CHARSET;
4853 if (EQ (w32_charset, Qw32_charset_easteurope))
4854 return EASTEUROPE_CHARSET;
4855 if (EQ (w32_charset, Qw32_charset_turkish))
4856 return TURKISH_CHARSET;
4857 if (EQ (w32_charset, Qw32_charset_baltic))
4858 return BALTIC_CHARSET;
4859 if (EQ (w32_charset, Qw32_charset_russian))
4860 return RUSSIAN_CHARSET;
4861 if (EQ (w32_charset, Qw32_charset_arabic))
4862 return ARABIC_CHARSET;
4863 if (EQ (w32_charset, Qw32_charset_greek))
4864 return GREEK_CHARSET;
4865 if (EQ (w32_charset, Qw32_charset_hebrew))
4866 return HEBREW_CHARSET;
4867 if (EQ (w32_charset, Qw32_charset_vietnamese))
4868 return VIETNAMESE_CHARSET;
4869 if (EQ (w32_charset, Qw32_charset_thai))
4870 return THAI_CHARSET;
4871 if (EQ (w32_charset, Qw32_charset_mac))
4872 return MAC_CHARSET;
4873 #endif /* JOHAB_CHARSET */
4874 #ifdef UNICODE_CHARSET
4875 if (EQ (w32_charset, Qw32_charset_unicode))
4876 return UNICODE_CHARSET;
4877 #endif
4878
4879 return DEFAULT_CHARSET;
4880 }
4881
4882
4883 static char *
4884 w32_to_x_charset (fncharset, matching)
4885 int fncharset;
4886 char *matching;
4887 {
4888 static char buf[32];
4889 Lisp_Object charset_type;
4890 int match_len = 0;
4891
4892 if (matching)
4893 {
4894 /* If fully specified, accept it as it is. Otherwise use a
4895 substring match. */
4896 char *wildcard = strchr (matching, '*');
4897 if (wildcard)
4898 *wildcard = '\0';
4899 else if (strchr (matching, '-'))
4900 return matching;
4901
4902 match_len = strlen (matching);
4903 }
4904
4905 switch (fncharset)
4906 {
4907 case ANSI_CHARSET:
4908 /* Handle startup case of w32-charset-info-alist not
4909 being set up yet. */
4910 if (NILP(Vw32_charset_info_alist))
4911 return "iso8859-1";
4912 charset_type = Qw32_charset_ansi;
4913 break;
4914 case DEFAULT_CHARSET:
4915 charset_type = Qw32_charset_default;
4916 break;
4917 case SYMBOL_CHARSET:
4918 charset_type = Qw32_charset_symbol;
4919 break;
4920 case SHIFTJIS_CHARSET:
4921 charset_type = Qw32_charset_shiftjis;
4922 break;
4923 case HANGEUL_CHARSET:
4924 charset_type = Qw32_charset_hangeul;
4925 break;
4926 case GB2312_CHARSET:
4927 charset_type = Qw32_charset_gb2312;
4928 break;
4929 case CHINESEBIG5_CHARSET:
4930 charset_type = Qw32_charset_chinesebig5;
4931 break;
4932 case OEM_CHARSET:
4933 charset_type = Qw32_charset_oem;
4934 break;
4935
4936 /* More recent versions of Windows (95 and NT4.0) define more
4937 character sets. */
4938 #ifdef EASTEUROPE_CHARSET
4939 case EASTEUROPE_CHARSET:
4940 charset_type = Qw32_charset_easteurope;
4941 break;
4942 case TURKISH_CHARSET:
4943 charset_type = Qw32_charset_turkish;
4944 break;
4945 case BALTIC_CHARSET:
4946 charset_type = Qw32_charset_baltic;
4947 break;
4948 case RUSSIAN_CHARSET:
4949 charset_type = Qw32_charset_russian;
4950 break;
4951 case ARABIC_CHARSET:
4952 charset_type = Qw32_charset_arabic;
4953 break;
4954 case GREEK_CHARSET:
4955 charset_type = Qw32_charset_greek;
4956 break;
4957 case HEBREW_CHARSET:
4958 charset_type = Qw32_charset_hebrew;
4959 break;
4960 case VIETNAMESE_CHARSET:
4961 charset_type = Qw32_charset_vietnamese;
4962 break;
4963 case THAI_CHARSET:
4964 charset_type = Qw32_charset_thai;
4965 break;
4966 case MAC_CHARSET:
4967 charset_type = Qw32_charset_mac;
4968 break;
4969 case JOHAB_CHARSET:
4970 charset_type = Qw32_charset_johab;
4971 break;
4972 #endif
4973
4974 #ifdef UNICODE_CHARSET
4975 case UNICODE_CHARSET:
4976 charset_type = Qw32_charset_unicode;
4977 break;
4978 #endif
4979 default:
4980 /* Encode numerical value of unknown charset. */
4981 sprintf (buf, "*-#%u", fncharset);
4982 return buf;
4983 }
4984
4985 {
4986 Lisp_Object rest;
4987 char * best_match = NULL;
4988 int matching_found = 0;
4989
4990 /* Look through w32-charset-info-alist for the character set.
4991 Prefer ISO codepages, and prefer lower numbers in the ISO
4992 range. Only return charsets for codepages which are installed.
4993
4994 Format of each entry is
4995 (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE)).
4996 */
4997 for (rest = Vw32_charset_info_alist; CONSP (rest); rest = XCDR (rest))
4998 {
4999 char * x_charset;
5000 Lisp_Object w32_charset;
5001 Lisp_Object codepage;
5002
5003 Lisp_Object this_entry = XCAR (rest);
5004
5005 /* Skip invalid entries in alist. */
5006 if (!CONSP (this_entry) || !STRINGP (XCAR (this_entry))
5007 || !CONSP (XCDR (this_entry))
5008 || !SYMBOLP (XCAR (XCDR (this_entry))))
5009 continue;
5010
5011 x_charset = SDATA (XCAR (this_entry));
5012 w32_charset = XCAR (XCDR (this_entry));
5013 codepage = XCDR (XCDR (this_entry));
5014
5015 /* Look for Same charset and a valid codepage (or non-int
5016 which means ignore). */
5017 if (EQ (w32_charset, charset_type)
5018 && (!INTEGERP (codepage) || XINT (codepage) == CP_DEFAULT
5019 || IsValidCodePage (XINT (codepage))))
5020 {
5021 /* If we don't have a match already, then this is the
5022 best. */
5023 if (!best_match)
5024 {
5025 best_match = x_charset;
5026 if (matching && !strnicmp (x_charset, matching, match_len))
5027 matching_found = 1;
5028 }
5029 /* If we already found a match for MATCHING, then
5030 only consider other matches. */
5031 else if (matching_found
5032 && strnicmp (x_charset, matching, match_len))
5033 continue;
5034 /* If this matches what we want, and the best so far doesn't,
5035 then this is better. */
5036 else if (!matching_found && matching
5037 && !strnicmp (x_charset, matching, match_len))
5038 {
5039 best_match = x_charset;
5040 matching_found = 1;
5041 }
5042 /* If this is fully specified, and the best so far isn't,
5043 then this is better. */
5044 else if ((!strchr (best_match, '-') && strchr (x_charset, '-'))
5045 /* If this is an ISO codepage, and the best so far isn't,
5046 then this is better, but only if it fully specifies the
5047 encoding. */
5048 || (strnicmp (best_match, "iso", 3) != 0
5049 && strnicmp (x_charset, "iso", 3) == 0
5050 && strchr (x_charset, '-')))
5051 best_match = x_charset;
5052 /* If both are ISO8859 codepages, choose the one with the
5053 lowest number in the encoding field. */
5054 else if (strnicmp (best_match, "iso8859-", 8) == 0
5055 && strnicmp (x_charset, "iso8859-", 8) == 0)
5056 {
5057 int best_enc = atoi (best_match + 8);
5058 int this_enc = atoi (x_charset + 8);
5059 if (this_enc > 0 && this_enc < best_enc)
5060 best_match = x_charset;
5061 }
5062 }
5063 }
5064
5065 /* If no match, encode the numeric value. */
5066 if (!best_match)
5067 {
5068 sprintf (buf, "*-#%u", fncharset);
5069 return buf;
5070 }
5071
5072 strncpy (buf, best_match, 31);
5073 /* If the charset is not fully specified, put -0 on the end. */
5074 if (!strchr (best_match, '-'))
5075 {
5076 int pos = strlen (best_match);
5077 /* Charset specifiers shouldn't be very long. If it is a made
5078 up one, truncating it should not do any harm since it isn't
5079 recognized anyway. */
5080 if (pos > 29)
5081 pos = 29;
5082 strcpy (buf + pos, "-0");
5083 }
5084 buf[31] = '\0';
5085 return buf;
5086 }
5087 }
5088
5089
5090 /* Return all the X charsets that map to a font. */
5091 static Lisp_Object
5092 w32_to_all_x_charsets (fncharset)
5093 int fncharset;
5094 {
5095 static char buf[32];
5096 Lisp_Object charset_type;
5097 Lisp_Object retval = Qnil;
5098
5099 switch (fncharset)
5100 {
5101 case ANSI_CHARSET:
5102 /* Handle startup case of w32-charset-info-alist not
5103 being set up yet. */
5104 if (NILP(Vw32_charset_info_alist))
5105 return Fcons (build_string ("iso8859-1"), Qnil);
5106
5107 charset_type = Qw32_charset_ansi;
5108 break;
5109 case DEFAULT_CHARSET:
5110 charset_type = Qw32_charset_default;
5111 break;
5112 case SYMBOL_CHARSET:
5113 charset_type = Qw32_charset_symbol;
5114 break;
5115 case SHIFTJIS_CHARSET:
5116 charset_type = Qw32_charset_shiftjis;
5117 break;
5118 case HANGEUL_CHARSET:
5119 charset_type = Qw32_charset_hangeul;
5120 break;
5121 case GB2312_CHARSET:
5122 charset_type = Qw32_charset_gb2312;
5123 break;
5124 case CHINESEBIG5_CHARSET:
5125 charset_type = Qw32_charset_chinesebig5;
5126 break;
5127 case OEM_CHARSET:
5128 charset_type = Qw32_charset_oem;
5129 break;
5130
5131 /* More recent versions of Windows (95 and NT4.0) define more
5132 character sets. */
5133 #ifdef EASTEUROPE_CHARSET
5134 case EASTEUROPE_CHARSET:
5135 charset_type = Qw32_charset_easteurope;
5136 break;
5137 case TURKISH_CHARSET:
5138 charset_type = Qw32_charset_turkish;
5139 break;
5140 case BALTIC_CHARSET:
5141 charset_type = Qw32_charset_baltic;
5142 break;
5143 case RUSSIAN_CHARSET:
5144 charset_type = Qw32_charset_russian;
5145 break;
5146 case ARABIC_CHARSET:
5147 charset_type = Qw32_charset_arabic;
5148 break;
5149 case GREEK_CHARSET:
5150 charset_type = Qw32_charset_greek;
5151 break;
5152 case HEBREW_CHARSET:
5153 charset_type = Qw32_charset_hebrew;
5154 break;
5155 case VIETNAMESE_CHARSET:
5156 charset_type = Qw32_charset_vietnamese;
5157 break;
5158 case THAI_CHARSET:
5159 charset_type = Qw32_charset_thai;
5160 break;
5161 case MAC_CHARSET:
5162 charset_type = Qw32_charset_mac;
5163 break;
5164 case JOHAB_CHARSET:
5165 charset_type = Qw32_charset_johab;
5166 break;
5167 #endif
5168
5169 #ifdef UNICODE_CHARSET
5170 case UNICODE_CHARSET:
5171 charset_type = Qw32_charset_unicode;
5172 break;
5173 #endif
5174 default:
5175 /* Encode numerical value of unknown charset. */
5176 sprintf (buf, "*-#%u", fncharset);
5177 return Fcons (build_string (buf), Qnil);
5178 }
5179
5180 {
5181 Lisp_Object rest;
5182 /* Look through w32-charset-info-alist for the character set.
5183 Only return fully specified charsets for codepages which are
5184 installed.
5185
5186 Format of each entry in Vw32_charset_info_alist is
5187 (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE)).
5188 */
5189 for (rest = Vw32_charset_info_alist; CONSP (rest); rest = XCDR (rest))
5190 {
5191 Lisp_Object x_charset;
5192 Lisp_Object w32_charset;
5193 Lisp_Object codepage;
5194
5195 Lisp_Object this_entry = XCAR (rest);
5196
5197 /* Skip invalid entries in alist. */
5198 if (!CONSP (this_entry) || !STRINGP (XCAR (this_entry))
5199 || !CONSP (XCDR (this_entry))
5200 || !SYMBOLP (XCAR (XCDR (this_entry))))
5201 continue;
5202
5203 x_charset = XCAR (this_entry);
5204 w32_charset = XCAR (XCDR (this_entry));
5205 codepage = XCDR (XCDR (this_entry));
5206
5207 if (!strchr (SDATA (x_charset), '-'))
5208 continue;
5209
5210 /* Look for Same charset and a valid codepage (or non-int
5211 which means ignore). */
5212 if (EQ (w32_charset, charset_type)
5213 && (!INTEGERP (codepage) || XINT (codepage) == CP_DEFAULT
5214 || IsValidCodePage (XINT (codepage))))
5215 {
5216 retval = Fcons (x_charset, retval);
5217 }
5218 }
5219
5220 /* If no match, encode the numeric value. */
5221 if (NILP (retval))
5222 {
5223 sprintf (buf, "*-#%u", fncharset);
5224 return Fcons (build_string (buf), Qnil);
5225 }
5226
5227 return retval;
5228 }
5229 }
5230
5231 /* Get the Windows codepage corresponding to the specified font. The
5232 charset info in the font name is used to look up
5233 w32-charset-to-codepage-alist. */
5234 int
5235 w32_codepage_for_font (char *fontname)
5236 {
5237 Lisp_Object codepage, entry;
5238 char *charset_str, *charset, *end;
5239
5240 /* Extract charset part of font string. */
5241 charset = xlfd_charset_of_font (fontname);
5242
5243 if (!charset)
5244 return CP_UNKNOWN;
5245
5246 charset_str = (char *) alloca (strlen (charset) + 1);
5247 strcpy (charset_str, charset);
5248
5249 #if 0
5250 /* Remove leading "*-". */
5251 if (strncmp ("*-", charset_str, 2) == 0)
5252 charset = charset_str + 2;
5253 else
5254 #endif
5255 charset = charset_str;
5256
5257 /* Stop match at wildcard (including preceding '-'). */
5258 if (end = strchr (charset, '*'))
5259 {
5260 if (end > charset && *(end-1) == '-')
5261 end--;
5262 *end = '\0';
5263 }
5264
5265 if (!strcmp (charset, "iso10646"))
5266 return CP_UNICODE;
5267
5268 if (NILP (Vw32_charset_info_alist))
5269 return CP_DEFAULT;
5270
5271 entry = Fassoc (build_string(charset), Vw32_charset_info_alist);
5272 if (NILP (entry))
5273 return CP_UNKNOWN;
5274
5275 codepage = Fcdr (Fcdr (entry));
5276
5277 if (NILP (codepage))
5278 return CP_8BIT;
5279 else if (XFASTINT (codepage) == XFASTINT (Qt))
5280 return CP_UNICODE;
5281 else if (INTEGERP (codepage))
5282 return XINT (codepage);
5283 else
5284 return CP_UNKNOWN;
5285 }
5286
5287
5288 static BOOL
5289 w32_to_x_font (lplogfont, lpxstr, len, specific_charset)
5290 LOGFONT * lplogfont;
5291 char * lpxstr;
5292 int len;
5293 char * specific_charset;
5294 {
5295 char* fonttype;
5296 char *fontname;
5297 char height_pixels[8];
5298 char height_dpi[8];
5299 char width_pixels[8];
5300 char *fontname_dash;
5301 int display_resy = (int) one_w32_display_info.resy;
5302 int display_resx = (int) one_w32_display_info.resx;
5303 struct coding_system coding;
5304
5305 if (!lpxstr) abort ();
5306
5307 if (!lplogfont)
5308 return FALSE;
5309
5310 if (lplogfont->lfOutPrecision == OUT_STRING_PRECIS)
5311 fonttype = "raster";
5312 else if (lplogfont->lfOutPrecision == OUT_STROKE_PRECIS)
5313 fonttype = "outline";
5314 else
5315 fonttype = "unknown";
5316
5317 setup_coding_system (Fcheck_coding_system (Vlocale_coding_system),
5318 &coding);
5319 coding.src_multibyte = 0;
5320 coding.dst_multibyte = 1;
5321 coding.mode |= CODING_MODE_LAST_BLOCK;
5322 /* We explicitely disable composition handling because selection
5323 data should not contain any composition sequence. */
5324 coding.common_flags &= ~CODING_ANNOTATION_MASK;
5325
5326 coding.dst_bytes = LF_FACESIZE * 2;
5327 coding.destination = (unsigned char *) xmalloc (coding.dst_bytes + 1);
5328 decode_coding_c_string (&coding, lplogfont->lfFaceName,
5329 strlen(lplogfont->lfFaceName), Qnil);
5330 fontname = coding.destination;
5331
5332 *(fontname + coding.produced) = '\0';
5333
5334 /* Replace dashes with underscores so the dashes are not
5335 misinterpreted. */
5336 fontname_dash = fontname;
5337 while (fontname_dash = strchr (fontname_dash, '-'))
5338 *fontname_dash = '_';
5339
5340 if (lplogfont->lfHeight)
5341 {
5342 sprintf (height_pixels, "%u", abs (lplogfont->lfHeight));
5343 sprintf (height_dpi, "%u",
5344 abs (lplogfont->lfHeight) * 720 / display_resy);
5345 }
5346 else
5347 {
5348 strcpy (height_pixels, "*");
5349 strcpy (height_dpi, "*");
5350 }
5351 if (lplogfont->lfWidth)
5352 sprintf (width_pixels, "%u", lplogfont->lfWidth * 10);
5353 else
5354 strcpy (width_pixels, "*");
5355
5356 _snprintf (lpxstr, len - 1,
5357 "-%s-%s-%s-%c-normal-normal-%s-%s-%d-%d-%c-%s-%s",
5358 fonttype, /* foundry */
5359 fontname, /* family */
5360 w32_to_x_weight (lplogfont->lfWeight), /* weight */
5361 lplogfont->lfItalic?'i':'r', /* slant */
5362 /* setwidth name */
5363 /* add style name */
5364 height_pixels, /* pixel size */
5365 height_dpi, /* point size */
5366 display_resx, /* resx */
5367 display_resy, /* resy */
5368 ((lplogfont->lfPitchAndFamily & 0x3) == VARIABLE_PITCH)
5369 ? 'p' : 'c', /* spacing */
5370 width_pixels, /* avg width */
5371 w32_to_x_charset (lplogfont->lfCharSet, specific_charset)
5372 /* charset registry and encoding */
5373 );
5374
5375 lpxstr[len - 1] = 0; /* just to be sure */
5376 return (TRUE);
5377 }
5378
5379 static BOOL
5380 x_to_w32_font (lpxstr, lplogfont)
5381 char * lpxstr;
5382 LOGFONT * lplogfont;
5383 {
5384 struct coding_system coding;
5385
5386 if (!lplogfont) return (FALSE);
5387
5388 memset (lplogfont, 0, sizeof (*lplogfont));
5389
5390 /* Set default value for each field. */
5391 #if 1
5392 lplogfont->lfOutPrecision = OUT_DEFAULT_PRECIS;
5393 lplogfont->lfClipPrecision = CLIP_DEFAULT_PRECIS;
5394 lplogfont->lfQuality = DEFAULT_QUALITY;
5395 #else
5396 /* go for maximum quality */
5397 lplogfont->lfOutPrecision = OUT_STROKE_PRECIS;
5398 lplogfont->lfClipPrecision = CLIP_STROKE_PRECIS;
5399 lplogfont->lfQuality = PROOF_QUALITY;
5400 #endif
5401
5402 lplogfont->lfCharSet = DEFAULT_CHARSET;
5403 lplogfont->lfWeight = FW_DONTCARE;
5404 lplogfont->lfPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE;
5405
5406 if (!lpxstr)
5407 return FALSE;
5408
5409 /* Provide a simple escape mechanism for specifying Windows font names
5410 * directly -- if font spec does not beginning with '-', assume this
5411 * format:
5412 * "<font name>[:height in pixels[:width in pixels[:weight]]]"
5413 */
5414
5415 if (*lpxstr == '-')
5416 {
5417 int fields, tem;
5418 char name[50], weight[20], slant, pitch, pixels[10], height[10],
5419 width[10], resy[10], remainder[50];
5420 char * encoding;
5421 int dpi = (int) one_w32_display_info.resy;
5422
5423 fields = sscanf (lpxstr,
5424 "-%*[^-]-%49[^-]-%19[^-]-%c-%*[^-]-%*[^-]-%9[^-]-%9[^-]-%*[^-]-%9[^-]-%c-%9[^-]-%49s",
5425 name, weight, &slant, pixels, height, resy, &pitch, width, remainder);
5426 if (fields == EOF)
5427 return (FALSE);
5428
5429 /* In the general case when wildcards cover more than one field,
5430 we don't know which field is which, so don't fill any in.
5431 However, we need to cope with this particular form, which is
5432 generated by font_list_1 (invoked by try_font_list):
5433 "-raster-6x10-*-gb2312*-*"
5434 and make sure to correctly parse the charset field. */
5435 if (fields == 3)
5436 {
5437 fields = sscanf (lpxstr,
5438 "-%*[^-]-%49[^-]-*-%49s",
5439 name, remainder);
5440 }
5441 else if (fields < 9)
5442 {
5443 fields = 0;
5444 remainder[0] = 0;
5445 }
5446
5447 if (fields > 0 && name[0] != '*')
5448 {
5449 Lisp_Object string = build_string (name);
5450 setup_coding_system
5451 (Fcheck_coding_system (Vlocale_coding_system), &coding);
5452 coding.mode |= (CODING_MODE_SAFE_ENCODING | CODING_MODE_LAST_BLOCK);
5453 /* Disable composition/charset annotation. */
5454 coding.common_flags &= ~CODING_ANNOTATION_MASK;
5455 coding.dst_bytes = SCHARS (string) * 2;
5456
5457 coding.destination = (unsigned char *) xmalloc (coding.dst_bytes);
5458 encode_coding_object (&coding, string, 0, 0,
5459 SCHARS (string), SBYTES (string), Qnil);
5460 if (coding.produced >= LF_FACESIZE)
5461 coding.produced = LF_FACESIZE - 1;
5462
5463 coding.destination[coding.produced] = '\0';
5464
5465 strcpy (lplogfont->lfFaceName, coding.destination);
5466 xfree (coding.destination);
5467 }
5468 else
5469 {
5470 lplogfont->lfFaceName[0] = '\0';
5471 }
5472
5473 fields--;
5474
5475 lplogfont->lfWeight = x_to_w32_weight ((fields > 0 ? weight : ""));
5476
5477 fields--;
5478
5479 lplogfont->lfItalic = (fields > 0 && slant == 'i');
5480
5481 fields--;
5482
5483 if (fields > 0 && pixels[0] != '*')
5484 lplogfont->lfHeight = atoi (pixels);
5485
5486 fields--;
5487 fields--;
5488 if (fields > 0 && resy[0] != '*')
5489 {
5490 tem = atoi (resy);
5491 if (tem > 0) dpi = tem;
5492 }
5493
5494 if (fields > -1 && lplogfont->lfHeight == 0 && height[0] != '*')
5495 lplogfont->lfHeight = atoi (height) * dpi / 720;
5496
5497 if (fields > 0)
5498 lplogfont->lfPitchAndFamily =
5499 (fields > 0 && pitch == 'p') ? VARIABLE_PITCH : FIXED_PITCH;
5500
5501 fields--;
5502
5503 if (fields > 0 && width[0] != '*')
5504 lplogfont->lfWidth = atoi (width) / 10;
5505
5506 fields--;
5507
5508 /* Strip the trailing '-' if present. (it shouldn't be, as it
5509 fails the test against xlfd-tight-regexp in fontset.el). */
5510 {
5511 int len = strlen (remainder);
5512 if (len > 0 && remainder[len-1] == '-')
5513 remainder[len-1] = 0;
5514 }
5515 encoding = remainder;
5516 #if 0
5517 if (strncmp (encoding, "*-", 2) == 0)
5518 encoding += 2;
5519 #endif
5520 lplogfont->lfCharSet = x_to_w32_charset (encoding);
5521 }
5522 else
5523 {
5524 int fields;
5525 char name[100], height[10], width[10], weight[20];
5526
5527 fields = sscanf (lpxstr,
5528 "%99[^:]:%9[^:]:%9[^:]:%19s",
5529 name, height, width, weight);
5530
5531 if (fields == EOF) return (FALSE);
5532
5533 if (fields > 0)
5534 {
5535 strncpy (lplogfont->lfFaceName,name, LF_FACESIZE);
5536 lplogfont->lfFaceName[LF_FACESIZE-1] = 0;
5537 }
5538 else
5539 {
5540 lplogfont->lfFaceName[0] = 0;
5541 }
5542
5543 fields--;
5544
5545 if (fields > 0)
5546 lplogfont->lfHeight = atoi (height);
5547
5548 fields--;
5549
5550 if (fields > 0)
5551 lplogfont->lfWidth = atoi (width);
5552
5553 fields--;
5554
5555 lplogfont->lfWeight = x_to_w32_weight ((fields > 0 ? weight : ""));
5556 }
5557
5558 /* This makes TrueType fonts work better. */
5559 lplogfont->lfHeight = - abs (lplogfont->lfHeight);
5560
5561 return (TRUE);
5562 }
5563
5564 /* Strip the pixel height and point height from the given xlfd, and
5565 return the pixel height. If no pixel height is specified, calculate
5566 one from the point height, or if that isn't defined either, return
5567 0 (which usually signifies a scalable font).
5568 */
5569 static int
5570 xlfd_strip_height (char *fontname)
5571 {
5572 int pixel_height, field_number;
5573 char *read_from, *write_to;
5574
5575 xassert (fontname);
5576
5577 pixel_height = field_number = 0;
5578 write_to = NULL;
5579
5580 /* Look for height fields. */
5581 for (read_from = fontname; *read_from; read_from++)
5582 {
5583 if (*read_from == '-')
5584 {
5585 field_number++;
5586 if (field_number == 7) /* Pixel height. */
5587 {
5588 read_from++;
5589 write_to = read_from;
5590
5591 /* Find end of field. */
5592 for (;*read_from && *read_from != '-'; read_from++)
5593 ;
5594
5595 /* Split the fontname at end of field. */
5596 if (*read_from)
5597 {
5598 *read_from = '\0';
5599 read_from++;
5600 }
5601 pixel_height = atoi (write_to);
5602 /* Blank out field. */
5603 if (read_from > write_to)
5604 {
5605 *write_to = '-';
5606 write_to++;
5607 }
5608 /* If the pixel height field is at the end (partial xlfd),
5609 return now. */
5610 else
5611 return pixel_height;
5612
5613 /* If we got a pixel height, the point height can be
5614 ignored. Just blank it out and break now. */
5615 if (pixel_height)
5616 {
5617 /* Find end of point size field. */
5618 for (; *read_from && *read_from != '-'; read_from++)
5619 ;
5620
5621 if (*read_from)
5622 read_from++;
5623
5624 /* Blank out the point size field. */
5625 if (read_from > write_to)
5626 {
5627 *write_to = '-';
5628 write_to++;
5629 }
5630 else
5631 return pixel_height;
5632
5633 break;
5634 }
5635 /* If the point height is already blank, break now. */
5636 if (*read_from == '-')
5637 {
5638 read_from++;
5639 break;
5640 }
5641 }
5642 else if (field_number == 8)
5643 {
5644 /* If we didn't get a pixel height, try to get the point
5645 height and convert that. */
5646 int point_size;
5647 char *point_size_start = read_from++;
5648
5649 /* Find end of field. */
5650 for (; *read_from && *read_from != '-'; read_from++)
5651 ;
5652
5653 if (*read_from)
5654 {
5655 *read_from = '\0';
5656 read_from++;
5657 }
5658
5659 point_size = atoi (point_size_start);
5660
5661 /* Convert to pixel height. */
5662 pixel_height = point_size
5663 * one_w32_display_info.height_in / 720;
5664
5665 /* Blank out this field and break. */
5666 *write_to = '-';
5667 write_to++;
5668 break;
5669 }
5670 }
5671 }
5672
5673 /* Shift the rest of the font spec into place. */
5674 if (write_to && read_from > write_to)
5675 {
5676 for (; *read_from; read_from++, write_to++)
5677 *write_to = *read_from;
5678 *write_to = '\0';
5679 }
5680
5681 return pixel_height;
5682 }
5683
5684 /* Assume parameter 1 is fully qualified, no wildcards. */
5685 static BOOL
5686 w32_font_match (fontname, pattern)
5687 char * fontname;
5688 char * pattern;
5689 {
5690 char *ptr;
5691 char *font_name_copy;
5692 char *regex = alloca (strlen (pattern) * 2 + 3);
5693
5694 font_name_copy = alloca (strlen (fontname) + 1);
5695 strcpy (font_name_copy, fontname);
5696
5697 ptr = regex;
5698 *ptr++ = '^';
5699
5700 /* Turn pattern into a regexp and do a regexp match. */
5701 for (; *pattern; pattern++)
5702 {
5703 if (*pattern == '?')
5704 *ptr++ = '.';
5705 else if (*pattern == '*')
5706 {
5707 *ptr++ = '.';
5708 *ptr++ = '*';
5709 }
5710 else
5711 *ptr++ = *pattern;
5712 }
5713 *ptr = '$';
5714 *(ptr + 1) = '\0';
5715
5716 /* Strip out font heights and compare them seperately, since
5717 rounding error can cause mismatches. This also allows a
5718 comparison between a font that declares only a pixel height and a
5719 pattern that declares the point height.
5720 */
5721 {
5722 int font_height, pattern_height;
5723
5724 font_height = xlfd_strip_height (font_name_copy);
5725 pattern_height = xlfd_strip_height (regex);
5726
5727 /* Compare now, and don't bother doing expensive regexp matching
5728 if the heights differ. */
5729 if (font_height && pattern_height && (font_height != pattern_height))
5730 return FALSE;
5731 }
5732
5733 return (fast_string_match_ignore_case (build_string (regex),
5734 build_string(font_name_copy)) >= 0);
5735 }
5736
5737 /* Callback functions, and a structure holding info they need, for
5738 listing system fonts on W32. We need one set of functions to do the
5739 job properly, but these don't work on NT 3.51 and earlier, so we
5740 have a second set which don't handle character sets properly to
5741 fall back on.
5742
5743 In both cases, there are two passes made. The first pass gets one
5744 font from each family, the second pass lists all the fonts from
5745 each family. */
5746
5747 typedef struct enumfont_t
5748 {
5749 HDC hdc;
5750 int numFonts;
5751 LOGFONT logfont;
5752 XFontStruct *size_ref;
5753 Lisp_Object pattern;
5754 Lisp_Object list;
5755 } enumfont_t;
5756
5757
5758 static void
5759 enum_font_maybe_add_to_list (enumfont_t *, LOGFONT *, char *, Lisp_Object);
5760
5761
5762 static int CALLBACK
5763 enum_font_cb2 (lplf, lptm, FontType, lpef)
5764 ENUMLOGFONT * lplf;
5765 NEWTEXTMETRIC * lptm;
5766 int FontType;
5767 enumfont_t * lpef;
5768 {
5769 /* Ignore struck out and underlined versions of fonts. */
5770 if (lplf->elfLogFont.lfStrikeOut || lplf->elfLogFont.lfUnderline)
5771 return 1;
5772
5773 /* Only return fonts with names starting with @ if they were
5774 explicitly specified, since Microsoft uses an initial @ to
5775 denote fonts for vertical writing, without providing a more
5776 convenient way of identifying them. */
5777 if (lplf->elfLogFont.lfFaceName[0] == '@'
5778 && lpef->logfont.lfFaceName[0] != '@')
5779 return 1;
5780
5781 /* Check that the character set matches if it was specified */
5782 if (lpef->logfont.lfCharSet != DEFAULT_CHARSET &&
5783 lplf->elfLogFont.lfCharSet != lpef->logfont.lfCharSet)
5784 return 1;
5785
5786 if (FontType == RASTER_FONTTYPE)
5787 {
5788 /* DBCS raster fonts have problems displaying, so skip them. */
5789 int charset = lplf->elfLogFont.lfCharSet;
5790 if (charset == SHIFTJIS_CHARSET
5791 || charset == HANGEUL_CHARSET
5792 || charset == CHINESEBIG5_CHARSET
5793 || charset == GB2312_CHARSET
5794 #ifdef JOHAB_CHARSET
5795 || charset == JOHAB_CHARSET
5796 #endif
5797 )
5798 return 1;
5799 }
5800
5801 {
5802 char buf[100];
5803 Lisp_Object width = Qnil;
5804 Lisp_Object charset_list = Qnil;
5805 char *charset = NULL;
5806
5807 /* Truetype fonts do not report their true metrics until loaded */
5808 if (FontType != RASTER_FONTTYPE)
5809 {
5810 if (!NILP (lpef->pattern))
5811 {
5812 /* Scalable fonts are as big as you want them to be. */
5813 lplf->elfLogFont.lfHeight = lpef->logfont.lfHeight;
5814 lplf->elfLogFont.lfWidth = lpef->logfont.lfWidth;
5815 width = make_number (lpef->logfont.lfWidth);
5816 }
5817 else
5818 {
5819 lplf->elfLogFont.lfHeight = 0;
5820 lplf->elfLogFont.lfWidth = 0;
5821 }
5822 }
5823
5824 /* Make sure the height used here is the same as everywhere
5825 else (ie character height, not cell height). */
5826 if (lplf->elfLogFont.lfHeight > 0)
5827 {
5828 /* lptm can be trusted for RASTER fonts, but not scalable ones. */
5829 if (FontType == RASTER_FONTTYPE)
5830 lplf->elfLogFont.lfHeight = lptm->tmInternalLeading - lptm->tmHeight;
5831 else
5832 lplf->elfLogFont.lfHeight = -lplf->elfLogFont.lfHeight;
5833 }
5834
5835 if (!NILP (lpef->pattern))
5836 {
5837 charset = xlfd_charset_of_font (SDATA (lpef->pattern));
5838
5839 /* We already checked charsets above, but DEFAULT_CHARSET
5840 slipped through. So only allow exact matches for DEFAULT_CHARSET. */
5841 if (charset
5842 && strncmp (charset, "*-*", 3) != 0
5843 && lpef->logfont.lfCharSet == DEFAULT_CHARSET
5844 && strcmp (charset, w32_to_x_charset (DEFAULT_CHARSET, NULL)) != 0)
5845 return 1;
5846 }
5847
5848 if (charset)
5849 charset_list = Fcons (build_string (charset), Qnil);
5850 else
5851 /* Always prefer unicode. */
5852 charset_list
5853 = Fcons (build_string ("iso10646-1"),
5854 w32_to_all_x_charsets (lplf->elfLogFont.lfCharSet));
5855
5856 /* Loop through the charsets. */
5857 for ( ; CONSP (charset_list); charset_list = Fcdr (charset_list))
5858 {
5859 Lisp_Object this_charset = Fcar (charset_list);
5860 charset = SDATA (this_charset);
5861
5862 enum_font_maybe_add_to_list (lpef, &(lplf->elfLogFont),
5863 charset, width);
5864
5865 /* List bold and italic variations if w32-enable-synthesized-fonts
5866 is non-nil and this is a plain font. */
5867 if (w32_enable_synthesized_fonts
5868 && lplf->elfLogFont.lfWeight == FW_NORMAL
5869 && lplf->elfLogFont.lfItalic == FALSE)
5870 {
5871 /* bold. */
5872 lplf->elfLogFont.lfWeight = FW_BOLD;
5873 enum_font_maybe_add_to_list (lpef, &(lplf->elfLogFont),
5874 charset, width);
5875 /* bold italic. */
5876 lplf->elfLogFont.lfItalic = TRUE;
5877 enum_font_maybe_add_to_list (lpef, &(lplf->elfLogFont),
5878 charset, width);
5879 /* italic. */
5880 lplf->elfLogFont.lfWeight = FW_NORMAL;
5881 enum_font_maybe_add_to_list (lpef, &(lplf->elfLogFont),
5882 charset, width);
5883 }
5884 }
5885 }
5886
5887 return 1;
5888 }
5889
5890 static void
5891 enum_font_maybe_add_to_list (lpef, logfont, match_charset, width)
5892 enumfont_t * lpef;
5893 LOGFONT * logfont;
5894 char * match_charset;
5895 Lisp_Object width;
5896 {
5897 char buf[100];
5898
5899 if (!w32_to_x_font (logfont, buf, 100, match_charset))
5900 return;
5901
5902 if (NILP (lpef->pattern)
5903 || w32_font_match (buf, SDATA (lpef->pattern)))
5904 {
5905 /* Check if we already listed this font. This may happen if
5906 w32_enable_synthesized_fonts is non-nil, and there are real
5907 bold and italic versions of the font. */
5908 Lisp_Object font_name = build_string (buf);
5909 if (NILP (Fmember (font_name, lpef->list)))
5910 {
5911 Lisp_Object entry = Fcons (font_name, width);
5912 lpef->list = Fcons (entry, lpef->list);
5913 lpef->numFonts++;
5914 }
5915 }
5916 }
5917
5918
5919 static int CALLBACK
5920 enum_font_cb1 (lplf, lptm, FontType, lpef)
5921 ENUMLOGFONT * lplf;
5922 NEWTEXTMETRIC * lptm;
5923 int FontType;
5924 enumfont_t * lpef;
5925 {
5926 return EnumFontFamilies (lpef->hdc,
5927 lplf->elfLogFont.lfFaceName,
5928 (FONTENUMPROC) enum_font_cb2,
5929 (LPARAM) lpef);
5930 }
5931
5932
5933 static int CALLBACK
5934 enum_fontex_cb2 (lplf, lptm, font_type, lpef)
5935 ENUMLOGFONTEX * lplf;
5936 NEWTEXTMETRICEX * lptm;
5937 int font_type;
5938 enumfont_t * lpef;
5939 {
5940 /* We are not interested in the extra info we get back from the 'Ex
5941 version - only the fact that we get character set variations
5942 enumerated seperately. */
5943 return enum_font_cb2 ((ENUMLOGFONT *) lplf, (NEWTEXTMETRIC *) lptm,
5944 font_type, lpef);
5945 }
5946
5947 static int CALLBACK
5948 enum_fontex_cb1 (lplf, lptm, font_type, lpef)
5949 ENUMLOGFONTEX * lplf;
5950 NEWTEXTMETRICEX * lptm;
5951 int font_type;
5952 enumfont_t * lpef;
5953 {
5954 HMODULE gdi32 = GetModuleHandle ("gdi32.dll");
5955 FARPROC enum_font_families_ex
5956 = GetProcAddress ( gdi32, "EnumFontFamiliesExA");
5957 /* We don't really expect EnumFontFamiliesEx to disappear once we
5958 get here, so don't bother handling it gracefully. */
5959 if (enum_font_families_ex == NULL)
5960 error ("gdi32.dll has disappeared!");
5961 return enum_font_families_ex (lpef->hdc,
5962 &lplf->elfLogFont,
5963 (FONTENUMPROC) enum_fontex_cb2,
5964 (LPARAM) lpef, 0);
5965 }
5966
5967 /* Interface to fontset handler. (adapted from mw32font.c in Meadow
5968 and xterm.c in Emacs 20.3) */
5969
5970 static Lisp_Object w32_list_bdf_fonts (Lisp_Object pattern, int max_names)
5971 {
5972 char *fontname, *ptnstr;
5973 Lisp_Object list, tem, newlist = Qnil;
5974 int n_fonts = 0;
5975
5976 list = Vw32_bdf_filename_alist;
5977 ptnstr = SDATA (pattern);
5978
5979 for ( ; CONSP (list); list = XCDR (list))
5980 {
5981 tem = XCAR (list);
5982 if (CONSP (tem))
5983 fontname = SDATA (XCAR (tem));
5984 else if (STRINGP (tem))
5985 fontname = SDATA (tem);
5986 else
5987 continue;
5988
5989 if (w32_font_match (fontname, ptnstr))
5990 {
5991 newlist = Fcons (XCAR (tem), newlist);
5992 n_fonts++;
5993 if (max_names >= 0 && n_fonts >= max_names)
5994 break;
5995 }
5996 }
5997
5998 return newlist;
5999 }
6000
6001
6002 /* Return a list of names of available fonts matching PATTERN on frame
6003 F. If SIZE is not 0, it is the size (maximum bound width) of fonts
6004 to be listed. Frame F NULL means we have not yet created any
6005 frame, which means we can't get proper size info, as we don't have
6006 a device context to use for GetTextMetrics.
6007 MAXNAMES sets a limit on how many fonts to match. If MAXNAMES is
6008 negative, then all matching fonts are returned. */
6009
6010 Lisp_Object
6011 w32_list_fonts (f, pattern, size, maxnames)
6012 struct frame *f;
6013 Lisp_Object pattern;
6014 int size;
6015 int maxnames;
6016 {
6017 Lisp_Object patterns, key = Qnil, tem, tpat;
6018 Lisp_Object list = Qnil, newlist = Qnil, second_best = Qnil;
6019 struct w32_display_info *dpyinfo = &one_w32_display_info;
6020 int n_fonts = 0;
6021
6022 patterns = Fassoc (pattern, Valternate_fontname_alist);
6023 if (NILP (patterns))
6024 patterns = Fcons (pattern, Qnil);
6025
6026 for (; CONSP (patterns); patterns = XCDR (patterns))
6027 {
6028 enumfont_t ef;
6029 int codepage;
6030
6031 tpat = XCAR (patterns);
6032
6033 if (!STRINGP (tpat))
6034 continue;
6035
6036 /* Avoid expensive EnumFontFamilies functions if we are not
6037 going to be able to output one of these anyway. */
6038 codepage = w32_codepage_for_font (SDATA (tpat));
6039 if (codepage != CP_8BIT && codepage != CP_UNICODE
6040 && codepage != CP_DEFAULT && codepage != CP_UNKNOWN
6041 && !IsValidCodePage(codepage))
6042 continue;
6043
6044 /* See if we cached the result for this particular query.
6045 The cache is an alist of the form:
6046 ((PATTERN (FONTNAME . WIDTH) ...) ...)
6047 */
6048 if (tem = XCDR (dpyinfo->name_list_element),
6049 !NILP (list = Fassoc (tpat, tem)))
6050 {
6051 list = Fcdr_safe (list);
6052 /* We have a cached list. Don't have to get the list again. */
6053 goto label_cached;
6054 }
6055
6056 BLOCK_INPUT;
6057 /* At first, put PATTERN in the cache. */
6058 ef.pattern = tpat;
6059 ef.list = Qnil;
6060 ef.numFonts = 0;
6061
6062 /* Use EnumFontFamiliesEx where it is available, as it knows
6063 about character sets. Fall back to EnumFontFamilies for
6064 older versions of NT that don't support the 'Ex function. */
6065 x_to_w32_font (SDATA (tpat), &ef.logfont);
6066 {
6067 LOGFONT font_match_pattern;
6068 HMODULE gdi32 = GetModuleHandle ("gdi32.dll");
6069 FARPROC enum_font_families_ex
6070 = GetProcAddress ( gdi32, "EnumFontFamiliesExA");
6071
6072 /* We do our own pattern matching so we can handle wildcards. */
6073 font_match_pattern.lfFaceName[0] = 0;
6074 font_match_pattern.lfPitchAndFamily = 0;
6075 /* We can use the charset, because if it is a wildcard it will
6076 be DEFAULT_CHARSET anyway. */
6077 font_match_pattern.lfCharSet = ef.logfont.lfCharSet;
6078
6079 ef.hdc = GetDC (dpyinfo->root_window);
6080
6081 if (enum_font_families_ex)
6082 enum_font_families_ex (ef.hdc,
6083 &font_match_pattern,
6084 (FONTENUMPROC) enum_fontex_cb1,
6085 (LPARAM) &ef, 0);
6086 else
6087 EnumFontFamilies (ef.hdc, NULL, (FONTENUMPROC) enum_font_cb1,
6088 (LPARAM)&ef);
6089
6090 ReleaseDC (dpyinfo->root_window, ef.hdc);
6091 }
6092
6093 UNBLOCK_INPUT;
6094 list = ef.list;
6095
6096 /* Make a list of the fonts we got back.
6097 Store that in the font cache for the display. */
6098 XSETCDR (dpyinfo->name_list_element,
6099 Fcons (Fcons (tpat, list),
6100 XCDR (dpyinfo->name_list_element)));
6101
6102 label_cached:
6103 if (NILP (list)) continue; /* Try the remaining alternatives. */
6104
6105 newlist = second_best = Qnil;
6106
6107 /* Make a list of the fonts that have the right width. */
6108 for (; CONSP (list); list = XCDR (list))
6109 {
6110 int found_size;
6111 tem = XCAR (list);
6112
6113 if (!CONSP (tem))
6114 continue;
6115 if (NILP (XCAR (tem)))
6116 continue;
6117 if (!size)
6118 {
6119 newlist = Fcons (XCAR (tem), newlist);
6120 n_fonts++;
6121 if (maxnames >= 0 && n_fonts >= maxnames)
6122 break;
6123 else
6124 continue;
6125 }
6126 if (!INTEGERP (XCDR (tem)))
6127 {
6128 /* Since we don't yet know the size of the font, we must
6129 load it and try GetTextMetrics. */
6130 W32FontStruct thisinfo;
6131 LOGFONT lf;
6132 HDC hdc;
6133 HANDLE oldobj;
6134
6135 if (!x_to_w32_font (SDATA (XCAR (tem)), &lf))
6136 continue;
6137
6138 BLOCK_INPUT;
6139 thisinfo.bdf = NULL;
6140 thisinfo.hfont = CreateFontIndirect (&lf);
6141 if (thisinfo.hfont == NULL)
6142 continue;
6143
6144 hdc = GetDC (dpyinfo->root_window);
6145 oldobj = SelectObject (hdc, thisinfo.hfont);
6146 if (GetTextMetrics (hdc, &thisinfo.tm))
6147 XSETCDR (tem, make_number (FONT_WIDTH (&thisinfo)));
6148 else
6149 XSETCDR (tem, make_number (0));
6150 SelectObject (hdc, oldobj);
6151 ReleaseDC (dpyinfo->root_window, hdc);
6152 DeleteObject(thisinfo.hfont);
6153 UNBLOCK_INPUT;
6154 }
6155 found_size = XINT (XCDR (tem));
6156 if (found_size == size)
6157 {
6158 newlist = Fcons (XCAR (tem), newlist);
6159 n_fonts++;
6160 if (maxnames >= 0 && n_fonts >= maxnames)
6161 break;
6162 }
6163 /* keep track of the closest matching size in case
6164 no exact match is found. */
6165 else if (found_size > 0)
6166 {
6167 if (NILP (second_best))
6168 second_best = tem;
6169
6170 else if (found_size < size)
6171 {
6172 if (XINT (XCDR (second_best)) > size
6173 || XINT (XCDR (second_best)) < found_size)
6174 second_best = tem;
6175 }
6176 else
6177 {
6178 if (XINT (XCDR (second_best)) > size
6179 && XINT (XCDR (second_best)) >
6180 found_size)
6181 second_best = tem;
6182 }
6183 }
6184 }
6185
6186 if (!NILP (newlist))
6187 break;
6188 else if (!NILP (second_best))
6189 {
6190 newlist = Fcons (XCAR (second_best), Qnil);
6191 break;
6192 }
6193 }
6194
6195 /* Include any bdf fonts. */
6196 if (n_fonts < maxnames || maxnames < 0)
6197 {
6198 Lisp_Object combined[2];
6199 combined[0] = w32_list_bdf_fonts (pattern, maxnames - n_fonts);
6200 combined[1] = newlist;
6201 newlist = Fnconc(2, combined);
6202 }
6203
6204 return newlist;
6205 }
6206
6207
6208 /* Return a pointer to struct font_info of font FONT_IDX of frame F. */
6209 struct font_info *
6210 w32_get_font_info (f, font_idx)
6211 FRAME_PTR f;
6212 int font_idx;
6213 {
6214 return (FRAME_W32_FONT_TABLE (f) + font_idx);
6215 }
6216
6217
6218 struct font_info*
6219 w32_query_font (struct frame *f, char *fontname)
6220 {
6221 int i;
6222 struct font_info *pfi;
6223
6224 pfi = FRAME_W32_FONT_TABLE (f);
6225
6226 for (i = 0; i < one_w32_display_info.n_fonts ;i++, pfi++)
6227 {
6228 if (strcmp(pfi->name, fontname) == 0) return pfi;
6229 }
6230
6231 return NULL;
6232 }
6233
6234 /* Find a CCL program for a font specified by FONTP, and set the member
6235 `encoder' of the structure. */
6236
6237 void
6238 w32_find_ccl_program (fontp)
6239 struct font_info *fontp;
6240 {
6241 Lisp_Object list, elt;
6242
6243 for (list = Vfont_ccl_encoder_alist; CONSP (list); list = XCDR (list))
6244 {
6245 elt = XCAR (list);
6246 if (CONSP (elt)
6247 && STRINGP (XCAR (elt))
6248 && (fast_c_string_match_ignore_case (XCAR (elt), fontp->name)
6249 >= 0))
6250 break;
6251 }
6252 if (! NILP (list))
6253 {
6254 struct ccl_program *ccl
6255 = (struct ccl_program *) xmalloc (sizeof (struct ccl_program));
6256
6257 if (setup_ccl_program (ccl, XCDR (elt)) < 0)
6258 xfree (ccl);
6259 else
6260 fontp->font_encoder = ccl;
6261 }
6262 }
6263
6264 /* directory-files from dired.c. */
6265 Lisp_Object Fdirectory_files P_((Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object));
6266
6267 \f
6268 /* Find BDF files in a specified directory. (use GCPRO when calling,
6269 as this calls lisp to get a directory listing). */
6270 static Lisp_Object
6271 w32_find_bdf_fonts_in_dir (Lisp_Object directory)
6272 {
6273 Lisp_Object filelist, list = Qnil;
6274 char fontname[100];
6275
6276 if (!STRINGP(directory))
6277 return Qnil;
6278
6279 filelist = Fdirectory_files (directory, Qt,
6280 build_string (".*\\.[bB][dD][fF]"), Qt);
6281
6282 for ( ; CONSP(filelist); filelist = XCDR (filelist))
6283 {
6284 Lisp_Object filename = XCAR (filelist);
6285 if (w32_BDF_to_x_font (SDATA (filename), fontname, 100))
6286 store_in_alist (&list, build_string (fontname), filename);
6287 }
6288 return list;
6289 }
6290
6291 DEFUN ("w32-find-bdf-fonts", Fw32_find_bdf_fonts, Sw32_find_bdf_fonts,
6292 1, 1, 0,
6293 doc: /* Return a list of BDF fonts in DIRECTORY.
6294 The list is suitable for appending to `w32-bdf-filename-alist'.
6295 Fonts which do not contain an xlfd description will not be included
6296 in the list. DIRECTORY may be a list of directories. */)
6297 (directory)
6298 Lisp_Object directory;
6299 {
6300 Lisp_Object list = Qnil;
6301 struct gcpro gcpro1, gcpro2;
6302
6303 if (!CONSP (directory))
6304 return w32_find_bdf_fonts_in_dir (directory);
6305
6306 for ( ; CONSP (directory); directory = XCDR (directory))
6307 {
6308 Lisp_Object pair[2];
6309 pair[0] = list;
6310 pair[1] = Qnil;
6311 GCPRO2 (directory, list);
6312 pair[1] = w32_find_bdf_fonts_in_dir( XCAR (directory) );
6313 list = Fnconc( 2, pair );
6314 UNGCPRO;
6315 }
6316 return list;
6317 }
6318
6319 \f
6320 DEFUN ("xw-color-defined-p", Fxw_color_defined_p, Sxw_color_defined_p, 1, 2, 0,
6321 doc: /* Internal function called by `color-defined-p', which see. */)
6322 (color, frame)
6323 Lisp_Object color, frame;
6324 {
6325 XColor foo;
6326 FRAME_PTR f = check_x_frame (frame);
6327
6328 CHECK_STRING (color);
6329
6330 if (w32_defined_color (f, SDATA (color), &foo, 0))
6331 return Qt;
6332 else
6333 return Qnil;
6334 }
6335
6336 DEFUN ("xw-color-values", Fxw_color_values, Sxw_color_values, 1, 2, 0,
6337 doc: /* Internal function called by `color-values', which see. */)
6338 (color, frame)
6339 Lisp_Object color, frame;
6340 {
6341 XColor foo;
6342 FRAME_PTR f = check_x_frame (frame);
6343
6344 CHECK_STRING (color);
6345
6346 if (w32_defined_color (f, SDATA (color), &foo, 0))
6347 {
6348 Lisp_Object rgb[3];
6349
6350 rgb[0] = make_number ((GetRValue (foo.pixel) << 8)
6351 | GetRValue (foo.pixel));
6352 rgb[1] = make_number ((GetGValue (foo.pixel) << 8)
6353 | GetGValue (foo.pixel));
6354 rgb[2] = make_number ((GetBValue (foo.pixel) << 8)
6355 | GetBValue (foo.pixel));
6356 return Flist (3, rgb);
6357 }
6358 else
6359 return Qnil;
6360 }
6361
6362 DEFUN ("xw-display-color-p", Fxw_display_color_p, Sxw_display_color_p, 0, 1, 0,
6363 doc: /* Internal function called by `display-color-p', which see. */)
6364 (display)
6365 Lisp_Object display;
6366 {
6367 struct w32_display_info *dpyinfo = check_x_display_info (display);
6368
6369 if ((dpyinfo->n_planes * dpyinfo->n_cbits) <= 2)
6370 return Qnil;
6371
6372 return Qt;
6373 }
6374
6375 DEFUN ("x-display-grayscale-p", Fx_display_grayscale_p,
6376 Sx_display_grayscale_p, 0, 1, 0,
6377 doc: /* Return t if DISPLAY supports shades of gray.
6378 Note that color displays do support shades of gray.
6379 The optional argument DISPLAY specifies which display to ask about.
6380 DISPLAY should be either a frame or a display name (a string).
6381 If omitted or nil, that stands for the selected frame's display. */)
6382 (display)
6383 Lisp_Object display;
6384 {
6385 struct w32_display_info *dpyinfo = check_x_display_info (display);
6386
6387 if ((dpyinfo->n_planes * dpyinfo->n_cbits) <= 1)
6388 return Qnil;
6389
6390 return Qt;
6391 }
6392
6393 DEFUN ("x-display-pixel-width", Fx_display_pixel_width,
6394 Sx_display_pixel_width, 0, 1, 0,
6395 doc: /* Returns the width in pixels of DISPLAY.
6396 The optional argument DISPLAY specifies which display to ask about.
6397 DISPLAY should be either a frame or a display name (a string).
6398 If omitted or nil, that stands for the selected frame's display. */)
6399 (display)
6400 Lisp_Object display;
6401 {
6402 struct w32_display_info *dpyinfo = check_x_display_info (display);
6403
6404 return make_number (dpyinfo->width);
6405 }
6406
6407 DEFUN ("x-display-pixel-height", Fx_display_pixel_height,
6408 Sx_display_pixel_height, 0, 1, 0,
6409 doc: /* Returns the height in pixels of DISPLAY.
6410 The optional argument DISPLAY specifies which display to ask about.
6411 DISPLAY should be either a frame or a display name (a string).
6412 If omitted or nil, that stands for the selected frame's display. */)
6413 (display)
6414 Lisp_Object display;
6415 {
6416 struct w32_display_info *dpyinfo = check_x_display_info (display);
6417
6418 return make_number (dpyinfo->height);
6419 }
6420
6421 DEFUN ("x-display-planes", Fx_display_planes, Sx_display_planes,
6422 0, 1, 0,
6423 doc: /* Returns the number of bitplanes of DISPLAY.
6424 The optional argument DISPLAY specifies which display to ask about.
6425 DISPLAY should be either a frame or a display name (a string).
6426 If omitted or nil, that stands for the selected frame's display. */)
6427 (display)
6428 Lisp_Object display;
6429 {
6430 struct w32_display_info *dpyinfo = check_x_display_info (display);
6431
6432 return make_number (dpyinfo->n_planes * dpyinfo->n_cbits);
6433 }
6434
6435 DEFUN ("x-display-color-cells", Fx_display_color_cells, Sx_display_color_cells,
6436 0, 1, 0,
6437 doc: /* Returns the number of color cells of DISPLAY.
6438 The optional argument DISPLAY specifies which display to ask about.
6439 DISPLAY should be either a frame or a display name (a string).
6440 If omitted or nil, that stands for the selected frame's display. */)
6441 (display)
6442 Lisp_Object display;
6443 {
6444 struct w32_display_info *dpyinfo = check_x_display_info (display);
6445 HDC hdc;
6446 int cap;
6447
6448 hdc = GetDC (dpyinfo->root_window);
6449 if (dpyinfo->has_palette)
6450 cap = GetDeviceCaps (hdc, SIZEPALETTE);
6451 else
6452 cap = GetDeviceCaps (hdc, NUMCOLORS);
6453
6454 /* We force 24+ bit depths to 24-bit, both to prevent an overflow
6455 and because probably is more meaningful on Windows anyway */
6456 if (cap < 0)
6457 cap = 1 << min(dpyinfo->n_planes * dpyinfo->n_cbits, 24);
6458
6459 ReleaseDC (dpyinfo->root_window, hdc);
6460
6461 return make_number (cap);
6462 }
6463
6464 DEFUN ("x-server-max-request-size", Fx_server_max_request_size,
6465 Sx_server_max_request_size,
6466 0, 1, 0,
6467 doc: /* Returns the maximum request size of the server of DISPLAY.
6468 The optional argument DISPLAY specifies which display to ask about.
6469 DISPLAY should be either a frame or a display name (a string).
6470 If omitted or nil, that stands for the selected frame's display. */)
6471 (display)
6472 Lisp_Object display;
6473 {
6474 struct w32_display_info *dpyinfo = check_x_display_info (display);
6475
6476 return make_number (1);
6477 }
6478
6479 DEFUN ("x-server-vendor", Fx_server_vendor, Sx_server_vendor, 0, 1, 0,
6480 doc: /* Returns the "vendor ID" string of the W32 system (Microsoft).
6481 The optional argument DISPLAY specifies which display to ask about.
6482 DISPLAY should be either a frame or a display name (a string).
6483 If omitted or nil, that stands for the selected frame's display. */)
6484 (display)
6485 Lisp_Object display;
6486 {
6487 return build_string ("Microsoft Corp.");
6488 }
6489
6490 DEFUN ("x-server-version", Fx_server_version, Sx_server_version, 0, 1, 0,
6491 doc: /* Returns the version numbers of the server of DISPLAY.
6492 The value is a list of three integers: the major and minor
6493 version numbers of the X Protocol in use, and the distributor-specific release
6494 number. See also the function `x-server-vendor'.
6495
6496 The optional argument DISPLAY specifies which display to ask about.
6497 DISPLAY should be either a frame or a display name (a string).
6498 If omitted or nil, that stands for the selected frame's display. */)
6499 (display)
6500 Lisp_Object display;
6501 {
6502 return Fcons (make_number (w32_major_version),
6503 Fcons (make_number (w32_minor_version),
6504 Fcons (make_number (w32_build_number), Qnil)));
6505 }
6506
6507 DEFUN ("x-display-screens", Fx_display_screens, Sx_display_screens, 0, 1, 0,
6508 doc: /* Returns the number of screens on the server of DISPLAY.
6509 The optional argument DISPLAY specifies which display to ask about.
6510 DISPLAY should be either a frame or a display name (a string).
6511 If omitted or nil, that stands for the selected frame's display. */)
6512 (display)
6513 Lisp_Object display;
6514 {
6515 return make_number (1);
6516 }
6517
6518 DEFUN ("x-display-mm-height", Fx_display_mm_height,
6519 Sx_display_mm_height, 0, 1, 0,
6520 doc: /* Returns the height in millimeters of DISPLAY.
6521 The optional argument DISPLAY specifies which display to ask about.
6522 DISPLAY should be either a frame or a display name (a string).
6523 If omitted or nil, that stands for the selected frame's display. */)
6524 (display)
6525 Lisp_Object display;
6526 {
6527 struct w32_display_info *dpyinfo = check_x_display_info (display);
6528 HDC hdc;
6529 int cap;
6530
6531 hdc = GetDC (dpyinfo->root_window);
6532
6533 cap = GetDeviceCaps (hdc, VERTSIZE);
6534
6535 ReleaseDC (dpyinfo->root_window, hdc);
6536
6537 return make_number (cap);
6538 }
6539
6540 DEFUN ("x-display-mm-width", Fx_display_mm_width, Sx_display_mm_width, 0, 1, 0,
6541 doc: /* Returns the width in millimeters of DISPLAY.
6542 The optional argument DISPLAY specifies which display to ask about.
6543 DISPLAY should be either a frame or a display name (a string).
6544 If omitted or nil, that stands for the selected frame's display. */)
6545 (display)
6546 Lisp_Object display;
6547 {
6548 struct w32_display_info *dpyinfo = check_x_display_info (display);
6549
6550 HDC hdc;
6551 int cap;
6552
6553 hdc = GetDC (dpyinfo->root_window);
6554
6555 cap = GetDeviceCaps (hdc, HORZSIZE);
6556
6557 ReleaseDC (dpyinfo->root_window, hdc);
6558
6559 return make_number (cap);
6560 }
6561
6562 DEFUN ("x-display-backing-store", Fx_display_backing_store,
6563 Sx_display_backing_store, 0, 1, 0,
6564 doc: /* Returns an indication of whether DISPLAY does backing store.
6565 The value may be `always', `when-mapped', or `not-useful'.
6566 The optional argument DISPLAY specifies which display to ask about.
6567 DISPLAY should be either a frame or a display name (a string).
6568 If omitted or nil, that stands for the selected frame's display. */)
6569 (display)
6570 Lisp_Object display;
6571 {
6572 return intern ("not-useful");
6573 }
6574
6575 DEFUN ("x-display-visual-class", Fx_display_visual_class,
6576 Sx_display_visual_class, 0, 1, 0,
6577 doc: /* Returns the visual class of DISPLAY.
6578 The value is one of the symbols `static-gray', `gray-scale',
6579 `static-color', `pseudo-color', `true-color', or `direct-color'.
6580
6581 The optional argument DISPLAY specifies which display to ask about.
6582 DISPLAY should be either a frame or a display name (a string).
6583 If omitted or nil, that stands for the selected frame's display. */)
6584 (display)
6585 Lisp_Object display;
6586 {
6587 struct w32_display_info *dpyinfo = check_x_display_info (display);
6588 Lisp_Object result = Qnil;
6589
6590 if (dpyinfo->has_palette)
6591 result = intern ("pseudo-color");
6592 else if (dpyinfo->n_planes * dpyinfo->n_cbits == 1)
6593 result = intern ("static-grey");
6594 else if (dpyinfo->n_planes * dpyinfo->n_cbits == 4)
6595 result = intern ("static-color");
6596 else if (dpyinfo->n_planes * dpyinfo->n_cbits > 8)
6597 result = intern ("true-color");
6598
6599 return result;
6600 }
6601
6602 DEFUN ("x-display-save-under", Fx_display_save_under,
6603 Sx_display_save_under, 0, 1, 0,
6604 doc: /* Returns t if DISPLAY supports the save-under feature.
6605 The optional argument DISPLAY specifies which display to ask about.
6606 DISPLAY should be either a frame or a display name (a string).
6607 If omitted or nil, that stands for the selected frame's display. */)
6608 (display)
6609 Lisp_Object display;
6610 {
6611 return Qnil;
6612 }
6613 \f
6614 int
6615 x_pixel_width (f)
6616 register struct frame *f;
6617 {
6618 return FRAME_PIXEL_WIDTH (f);
6619 }
6620
6621 int
6622 x_pixel_height (f)
6623 register struct frame *f;
6624 {
6625 return FRAME_PIXEL_HEIGHT (f);
6626 }
6627
6628 int
6629 x_char_width (f)
6630 register struct frame *f;
6631 {
6632 return FRAME_COLUMN_WIDTH (f);
6633 }
6634
6635 int
6636 x_char_height (f)
6637 register struct frame *f;
6638 {
6639 return FRAME_LINE_HEIGHT (f);
6640 }
6641
6642 int
6643 x_screen_planes (f)
6644 register struct frame *f;
6645 {
6646 return FRAME_W32_DISPLAY_INFO (f)->n_planes;
6647 }
6648 \f
6649 /* Return the display structure for the display named NAME.
6650 Open a new connection if necessary. */
6651
6652 struct w32_display_info *
6653 x_display_info_for_name (name)
6654 Lisp_Object name;
6655 {
6656 Lisp_Object names;
6657 struct w32_display_info *dpyinfo;
6658
6659 CHECK_STRING (name);
6660
6661 for (dpyinfo = &one_w32_display_info, names = w32_display_name_list;
6662 dpyinfo;
6663 dpyinfo = dpyinfo->next, names = XCDR (names))
6664 {
6665 Lisp_Object tem;
6666 tem = Fstring_equal (XCAR (XCAR (names)), name);
6667 if (!NILP (tem))
6668 return dpyinfo;
6669 }
6670
6671 /* Use this general default value to start with. */
6672 Vx_resource_name = Vinvocation_name;
6673
6674 validate_x_resource_name ();
6675
6676 dpyinfo = w32_term_init (name, (unsigned char *)0,
6677 (char *) SDATA (Vx_resource_name));
6678
6679 if (dpyinfo == 0)
6680 error ("Cannot connect to server %s", SDATA (name));
6681
6682 w32_in_use = 1;
6683 XSETFASTINT (Vwindow_system_version, 3);
6684
6685 return dpyinfo;
6686 }
6687
6688 DEFUN ("x-open-connection", Fx_open_connection, Sx_open_connection,
6689 1, 3, 0, doc: /* Open a connection to a server.
6690 DISPLAY is the name of the display to connect to.
6691 Optional second arg XRM-STRING is a string of resources in xrdb format.
6692 If the optional third arg MUST-SUCCEED is non-nil,
6693 terminate Emacs if we can't open the connection. */)
6694 (display, xrm_string, must_succeed)
6695 Lisp_Object display, xrm_string, must_succeed;
6696 {
6697 unsigned char *xrm_option;
6698 struct w32_display_info *dpyinfo;
6699
6700 /* If initialization has already been done, return now to avoid
6701 overwriting critical parts of one_w32_display_info. */
6702 if (w32_in_use)
6703 return Qnil;
6704
6705 CHECK_STRING (display);
6706 if (! NILP (xrm_string))
6707 CHECK_STRING (xrm_string);
6708
6709 if (! EQ (Vwindow_system, intern ("w32")))
6710 error ("Not using Microsoft Windows");
6711
6712 /* Allow color mapping to be defined externally; first look in user's
6713 HOME directory, then in Emacs etc dir for a file called rgb.txt. */
6714 {
6715 Lisp_Object color_file;
6716 struct gcpro gcpro1;
6717
6718 color_file = build_string("~/rgb.txt");
6719
6720 GCPRO1 (color_file);
6721
6722 if (NILP (Ffile_readable_p (color_file)))
6723 color_file =
6724 Fexpand_file_name (build_string ("rgb.txt"),
6725 Fsymbol_value (intern ("data-directory")));
6726
6727 Vw32_color_map = Fw32_load_color_file (color_file);
6728
6729 UNGCPRO;
6730 }
6731 if (NILP (Vw32_color_map))
6732 Vw32_color_map = Fw32_default_color_map ();
6733
6734 /* Merge in system logical colors. */
6735 add_system_logical_colors_to_map (&Vw32_color_map);
6736
6737 if (! NILP (xrm_string))
6738 xrm_option = (unsigned char *) SDATA (xrm_string);
6739 else
6740 xrm_option = (unsigned char *) 0;
6741
6742 /* Use this general default value to start with. */
6743 /* First remove .exe suffix from invocation-name - it looks ugly. */
6744 {
6745 char basename[ MAX_PATH ], *str;
6746
6747 strcpy (basename, SDATA (Vinvocation_name));
6748 str = strrchr (basename, '.');
6749 if (str) *str = 0;
6750 Vinvocation_name = build_string (basename);
6751 }
6752 Vx_resource_name = Vinvocation_name;
6753
6754 validate_x_resource_name ();
6755
6756 /* This is what opens the connection and sets x_current_display.
6757 This also initializes many symbols, such as those used for input. */
6758 dpyinfo = w32_term_init (display, xrm_option,
6759 (char *) SDATA (Vx_resource_name));
6760
6761 if (dpyinfo == 0)
6762 {
6763 if (!NILP (must_succeed))
6764 fatal ("Cannot connect to server %s.\n",
6765 SDATA (display));
6766 else
6767 error ("Cannot connect to server %s", SDATA (display));
6768 }
6769
6770 w32_in_use = 1;
6771
6772 XSETFASTINT (Vwindow_system_version, 3);
6773 return Qnil;
6774 }
6775
6776 DEFUN ("x-close-connection", Fx_close_connection,
6777 Sx_close_connection, 1, 1, 0,
6778 doc: /* Close the connection to DISPLAY's server.
6779 For DISPLAY, specify either a frame or a display name (a string).
6780 If DISPLAY is nil, that stands for the selected frame's display. */)
6781 (display)
6782 Lisp_Object display;
6783 {
6784 struct w32_display_info *dpyinfo = check_x_display_info (display);
6785 int i;
6786
6787 if (dpyinfo->reference_count > 0)
6788 error ("Display still has frames on it");
6789
6790 BLOCK_INPUT;
6791 /* Free the fonts in the font table. */
6792 for (i = 0; i < dpyinfo->n_fonts; i++)
6793 if (dpyinfo->font_table[i].name)
6794 {
6795 if (dpyinfo->font_table[i].name != dpyinfo->font_table[i].full_name)
6796 xfree (dpyinfo->font_table[i].full_name);
6797 xfree (dpyinfo->font_table[i].name);
6798 w32_unload_font (dpyinfo, dpyinfo->font_table[i].font);
6799 }
6800 x_destroy_all_bitmaps (dpyinfo);
6801
6802 x_delete_display (dpyinfo);
6803 UNBLOCK_INPUT;
6804
6805 return Qnil;
6806 }
6807
6808 DEFUN ("x-display-list", Fx_display_list, Sx_display_list, 0, 0, 0,
6809 doc: /* Return the list of display names that Emacs has connections to. */)
6810 ()
6811 {
6812 Lisp_Object tail, result;
6813
6814 result = Qnil;
6815 for (tail = w32_display_name_list; ! NILP (tail); tail = XCDR (tail))
6816 result = Fcons (XCAR (XCAR (tail)), result);
6817
6818 return result;
6819 }
6820
6821 DEFUN ("x-synchronize", Fx_synchronize, Sx_synchronize, 1, 2, 0,
6822 doc: /* This is a noop on W32 systems. */)
6823 (on, display)
6824 Lisp_Object display, on;
6825 {
6826 return Qnil;
6827 }
6828
6829
6830 \f
6831 /***********************************************************************
6832 Window properties
6833 ***********************************************************************/
6834
6835 DEFUN ("x-change-window-property", Fx_change_window_property,
6836 Sx_change_window_property, 2, 6, 0,
6837 doc: /* Change window property PROP to VALUE on the X window of FRAME.
6838 VALUE may be a string or a list of conses, numbers and/or strings.
6839 If an element in the list is a string, it is converted to
6840 an Atom and the value of the Atom is used. If an element is a cons,
6841 it is converted to a 32 bit number where the car is the 16 top bits and the
6842 cdr is the lower 16 bits.
6843 FRAME nil or omitted means use the selected frame.
6844 If TYPE is given and non-nil, it is the name of the type of VALUE.
6845 If TYPE is not given or nil, the type is STRING.
6846 FORMAT gives the size in bits of each element if VALUE is a list.
6847 It must be one of 8, 16 or 32.
6848 If VALUE is a string or FORMAT is nil or not given, FORMAT defaults to 8.
6849 If OUTER_P is non-nil, the property is changed for the outer X window of
6850 FRAME. Default is to change on the edit X window.
6851
6852 Value is VALUE. */)
6853 (prop, value, frame, type, format, outer_p)
6854 Lisp_Object prop, value, frame, type, format, outer_p;
6855 {
6856 #if 0 /* TODO : port window properties to W32 */
6857 struct frame *f = check_x_frame (frame);
6858 Atom prop_atom;
6859
6860 CHECK_STRING (prop);
6861 CHECK_STRING (value);
6862
6863 BLOCK_INPUT;
6864 prop_atom = XInternAtom (FRAME_W32_DISPLAY (f), SDATA (prop), False);
6865 XChangeProperty (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f),
6866 prop_atom, XA_STRING, 8, PropModeReplace,
6867 SDATA (value), SCHARS (value));
6868
6869 /* Make sure the property is set when we return. */
6870 XFlush (FRAME_W32_DISPLAY (f));
6871 UNBLOCK_INPUT;
6872
6873 #endif /* TODO */
6874
6875 return value;
6876 }
6877
6878
6879 DEFUN ("x-delete-window-property", Fx_delete_window_property,
6880 Sx_delete_window_property, 1, 2, 0,
6881 doc: /* Remove window property PROP from X window of FRAME.
6882 FRAME nil or omitted means use the selected frame. Value is PROP. */)
6883 (prop, frame)
6884 Lisp_Object prop, frame;
6885 {
6886 #if 0 /* TODO : port window properties to W32 */
6887
6888 struct frame *f = check_x_frame (frame);
6889 Atom prop_atom;
6890
6891 CHECK_STRING (prop);
6892 BLOCK_INPUT;
6893 prop_atom = XInternAtom (FRAME_W32_DISPLAY (f), SDATA (prop), False);
6894 XDeleteProperty (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f), prop_atom);
6895
6896 /* Make sure the property is removed when we return. */
6897 XFlush (FRAME_W32_DISPLAY (f));
6898 UNBLOCK_INPUT;
6899 #endif /* TODO */
6900
6901 return prop;
6902 }
6903
6904
6905 DEFUN ("x-window-property", Fx_window_property, Sx_window_property,
6906 1, 2, 0,
6907 doc: /* Value is the value of window property PROP on FRAME.
6908 If FRAME is nil or omitted, use the selected frame. Value is nil
6909 if FRAME hasn't a property with name PROP or if PROP has no string
6910 value. */)
6911 (prop, frame)
6912 Lisp_Object prop, frame;
6913 {
6914 #if 0 /* TODO : port window properties to W32 */
6915
6916 struct frame *f = check_x_frame (frame);
6917 Atom prop_atom;
6918 int rc;
6919 Lisp_Object prop_value = Qnil;
6920 char *tmp_data = NULL;
6921 Atom actual_type;
6922 int actual_format;
6923 unsigned long actual_size, bytes_remaining;
6924
6925 CHECK_STRING (prop);
6926 BLOCK_INPUT;
6927 prop_atom = XInternAtom (FRAME_W32_DISPLAY (f), SDATA (prop), False);
6928 rc = XGetWindowProperty (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f),
6929 prop_atom, 0, 0, False, XA_STRING,
6930 &actual_type, &actual_format, &actual_size,
6931 &bytes_remaining, (unsigned char **) &tmp_data);
6932 if (rc == Success)
6933 {
6934 int size = bytes_remaining;
6935
6936 XFree (tmp_data);
6937 tmp_data = NULL;
6938
6939 rc = XGetWindowProperty (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f),
6940 prop_atom, 0, bytes_remaining,
6941 False, XA_STRING,
6942 &actual_type, &actual_format,
6943 &actual_size, &bytes_remaining,
6944 (unsigned char **) &tmp_data);
6945 if (rc == Success)
6946 prop_value = make_string (tmp_data, size);
6947
6948 XFree (tmp_data);
6949 }
6950
6951 UNBLOCK_INPUT;
6952
6953 return prop_value;
6954
6955 #endif /* TODO */
6956 return Qnil;
6957 }
6958
6959
6960 \f
6961 /***********************************************************************
6962 Busy cursor
6963 ***********************************************************************/
6964
6965 /* If non-null, an asynchronous timer that, when it expires, displays
6966 an hourglass cursor on all frames. */
6967
6968 static struct atimer *hourglass_atimer;
6969
6970 /* Non-zero means an hourglass cursor is currently shown. */
6971
6972 static int hourglass_shown_p;
6973
6974 /* Number of seconds to wait before displaying an hourglass cursor. */
6975
6976 static Lisp_Object Vhourglass_delay;
6977
6978 /* Default number of seconds to wait before displaying an hourglass
6979 cursor. */
6980
6981 #define DEFAULT_HOURGLASS_DELAY 1
6982
6983 /* Function prototypes. */
6984
6985 static void show_hourglass P_ ((struct atimer *));
6986 static void hide_hourglass P_ ((void));
6987
6988
6989 /* Cancel a currently active hourglass timer, and start a new one. */
6990
6991 void
6992 start_hourglass ()
6993 {
6994 #if 0 /* TODO: cursor shape changes. */
6995 EMACS_TIME delay;
6996 int secs, usecs = 0;
6997
6998 cancel_hourglass ();
6999
7000 if (INTEGERP (Vhourglass_delay)
7001 && XINT (Vhourglass_delay) > 0)
7002 secs = XFASTINT (Vhourglass_delay);
7003 else if (FLOATP (Vhourglass_delay)
7004 && XFLOAT_DATA (Vhourglass_delay) > 0)
7005 {
7006 Lisp_Object tem;
7007 tem = Ftruncate (Vhourglass_delay, Qnil);
7008 secs = XFASTINT (tem);
7009 usecs = (XFLOAT_DATA (Vhourglass_delay) - secs) * 1000000;
7010 }
7011 else
7012 secs = DEFAULT_HOURGLASS_DELAY;
7013
7014 EMACS_SET_SECS_USECS (delay, secs, usecs);
7015 hourglass_atimer = start_atimer (ATIMER_RELATIVE, delay,
7016 show_hourglass, NULL);
7017 #endif
7018 }
7019
7020
7021 /* Cancel the hourglass cursor timer if active, hide an hourglass
7022 cursor if shown. */
7023
7024 void
7025 cancel_hourglass ()
7026 {
7027 if (hourglass_atimer)
7028 {
7029 cancel_atimer (hourglass_atimer);
7030 hourglass_atimer = NULL;
7031 }
7032
7033 if (hourglass_shown_p)
7034 hide_hourglass ();
7035 }
7036
7037
7038 /* Timer function of hourglass_atimer. TIMER is equal to
7039 hourglass_atimer.
7040
7041 Display an hourglass cursor on all frames by mapping the frames'
7042 hourglass_window. Set the hourglass_p flag in the frames'
7043 output_data.x structure to indicate that an hourglass cursor is
7044 shown on the frames. */
7045
7046 static void
7047 show_hourglass (timer)
7048 struct atimer *timer;
7049 {
7050 #if 0 /* TODO: cursor shape changes. */
7051 /* The timer implementation will cancel this timer automatically
7052 after this function has run. Set hourglass_atimer to null
7053 so that we know the timer doesn't have to be canceled. */
7054 hourglass_atimer = NULL;
7055
7056 if (!hourglass_shown_p)
7057 {
7058 Lisp_Object rest, frame;
7059
7060 BLOCK_INPUT;
7061
7062 FOR_EACH_FRAME (rest, frame)
7063 if (FRAME_W32_P (XFRAME (frame)))
7064 {
7065 struct frame *f = XFRAME (frame);
7066
7067 f->output_data.w32->hourglass_p = 1;
7068
7069 if (!f->output_data.w32->hourglass_window)
7070 {
7071 unsigned long mask = CWCursor;
7072 XSetWindowAttributes attrs;
7073
7074 attrs.cursor = f->output_data.w32->hourglass_cursor;
7075
7076 f->output_data.w32->hourglass_window
7077 = XCreateWindow (FRAME_X_DISPLAY (f),
7078 FRAME_OUTER_WINDOW (f),
7079 0, 0, 32000, 32000, 0, 0,
7080 InputOnly,
7081 CopyFromParent,
7082 mask, &attrs);
7083 }
7084
7085 XMapRaised (FRAME_X_DISPLAY (f),
7086 f->output_data.w32->hourglass_window);
7087 XFlush (FRAME_X_DISPLAY (f));
7088 }
7089
7090 hourglass_shown_p = 1;
7091 UNBLOCK_INPUT;
7092 }
7093 #endif
7094 }
7095
7096
7097 /* Hide the hourglass cursor on all frames, if it is currently shown. */
7098
7099 static void
7100 hide_hourglass ()
7101 {
7102 #if 0 /* TODO: cursor shape changes. */
7103 if (hourglass_shown_p)
7104 {
7105 Lisp_Object rest, frame;
7106
7107 BLOCK_INPUT;
7108 FOR_EACH_FRAME (rest, frame)
7109 {
7110 struct frame *f = XFRAME (frame);
7111
7112 if (FRAME_W32_P (f)
7113 /* Watch out for newly created frames. */
7114 && f->output_data.x->hourglass_window)
7115 {
7116 XUnmapWindow (FRAME_X_DISPLAY (f),
7117 f->output_data.x->hourglass_window);
7118 /* Sync here because XTread_socket looks at the
7119 hourglass_p flag that is reset to zero below. */
7120 XSync (FRAME_X_DISPLAY (f), False);
7121 f->output_data.x->hourglass_p = 0;
7122 }
7123 }
7124
7125 hourglass_shown_p = 0;
7126 UNBLOCK_INPUT;
7127 }
7128 #endif
7129 }
7130
7131
7132 \f
7133 /***********************************************************************
7134 Tool tips
7135 ***********************************************************************/
7136
7137 static Lisp_Object x_create_tip_frame P_ ((struct w32_display_info *,
7138 Lisp_Object, Lisp_Object));
7139 static void compute_tip_xy P_ ((struct frame *, Lisp_Object, Lisp_Object,
7140 Lisp_Object, int, int, int *, int *));
7141
7142 /* The frame of a currently visible tooltip. */
7143
7144 Lisp_Object tip_frame;
7145
7146 /* If non-nil, a timer started that hides the last tooltip when it
7147 fires. */
7148
7149 Lisp_Object tip_timer;
7150 Window tip_window;
7151
7152 /* If non-nil, a vector of 3 elements containing the last args
7153 with which x-show-tip was called. See there. */
7154
7155 Lisp_Object last_show_tip_args;
7156
7157 /* Maximum size for tooltips; a cons (COLUMNS . ROWS). */
7158
7159 Lisp_Object Vx_max_tooltip_size;
7160
7161
7162 static Lisp_Object
7163 unwind_create_tip_frame (frame)
7164 Lisp_Object frame;
7165 {
7166 Lisp_Object deleted;
7167
7168 deleted = unwind_create_frame (frame);
7169 if (EQ (deleted, Qt))
7170 {
7171 tip_window = NULL;
7172 tip_frame = Qnil;
7173 }
7174
7175 return deleted;
7176 }
7177
7178
7179 /* Create a frame for a tooltip on the display described by DPYINFO.
7180 PARMS is a list of frame parameters. TEXT is the string to
7181 display in the tip frame. Value is the frame.
7182
7183 Note that functions called here, esp. x_default_parameter can
7184 signal errors, for instance when a specified color name is
7185 undefined. We have to make sure that we're in a consistent state
7186 when this happens. */
7187
7188 static Lisp_Object
7189 x_create_tip_frame (dpyinfo, parms, text)
7190 struct w32_display_info *dpyinfo;
7191 Lisp_Object parms, text;
7192 {
7193 struct frame *f;
7194 Lisp_Object frame, tem;
7195 Lisp_Object name;
7196 long window_prompting = 0;
7197 int width, height;
7198 int count = SPECPDL_INDEX ();
7199 struct gcpro gcpro1, gcpro2, gcpro3;
7200 struct kboard *kb;
7201 int face_change_count_before = face_change_count;
7202 Lisp_Object buffer;
7203 struct buffer *old_buffer;
7204
7205 check_w32 ();
7206
7207 /* Use this general default value to start with until we know if
7208 this frame has a specified name. */
7209 Vx_resource_name = Vinvocation_name;
7210
7211 #ifdef MULTI_KBOARD
7212 kb = dpyinfo->kboard;
7213 #else
7214 kb = &the_only_kboard;
7215 #endif
7216
7217 /* Get the name of the frame to use for resource lookup. */
7218 name = w32_get_arg (parms, Qname, "name", "Name", RES_TYPE_STRING);
7219 if (!STRINGP (name)
7220 && !EQ (name, Qunbound)
7221 && !NILP (name))
7222 error ("Invalid frame name--not a string or nil");
7223 Vx_resource_name = name;
7224
7225 frame = Qnil;
7226 GCPRO3 (parms, name, frame);
7227 /* Make a frame without minibuffer nor mode-line. */
7228 f = make_frame (0);
7229 f->wants_modeline = 0;
7230 XSETFRAME (frame, f);
7231
7232 buffer = Fget_buffer_create (build_string (" *tip*"));
7233 Fset_window_buffer (FRAME_ROOT_WINDOW (f), buffer, Qnil);
7234 old_buffer = current_buffer;
7235 set_buffer_internal_1 (XBUFFER (buffer));
7236 current_buffer->truncate_lines = Qnil;
7237 specbind (Qinhibit_read_only, Qt);
7238 specbind (Qinhibit_modification_hooks, Qt);
7239 Ferase_buffer ();
7240 Finsert (1, &text);
7241 set_buffer_internal_1 (old_buffer);
7242
7243 FRAME_CAN_HAVE_SCROLL_BARS (f) = 0;
7244 record_unwind_protect (unwind_create_tip_frame, frame);
7245
7246 /* By setting the output method, we're essentially saying that
7247 the frame is live, as per FRAME_LIVE_P. If we get a signal
7248 from this point on, x_destroy_window might screw up reference
7249 counts etc. */
7250 f->output_method = output_w32;
7251 f->output_data.w32 =
7252 (struct w32_output *) xmalloc (sizeof (struct w32_output));
7253 bzero (f->output_data.w32, sizeof (struct w32_output));
7254
7255 FRAME_FONTSET (f) = -1;
7256 f->icon_name = Qnil;
7257
7258 #if 0 /* GLYPH_DEBUG TODO: image support. */
7259 image_cache_refcount = FRAME_X_IMAGE_CACHE (f)->refcount;
7260 dpyinfo_refcount = dpyinfo->reference_count;
7261 #endif /* GLYPH_DEBUG */
7262 #ifdef MULTI_KBOARD
7263 FRAME_KBOARD (f) = kb;
7264 #endif
7265 f->output_data.w32->parent_desc = FRAME_W32_DISPLAY_INFO (f)->root_window;
7266 f->output_data.w32->explicit_parent = 0;
7267
7268 /* Set the name; the functions to which we pass f expect the name to
7269 be set. */
7270 if (EQ (name, Qunbound) || NILP (name))
7271 {
7272 f->name = build_string (dpyinfo->w32_id_name);
7273 f->explicit_name = 0;
7274 }
7275 else
7276 {
7277 f->name = name;
7278 f->explicit_name = 1;
7279 /* use the frame's title when getting resources for this frame. */
7280 specbind (Qx_resource_name, name);
7281 }
7282
7283 /* Extract the window parameters from the supplied values
7284 that are needed to determine window geometry. */
7285 {
7286 Lisp_Object font;
7287
7288 font = w32_get_arg (parms, Qfont, "font", "Font", RES_TYPE_STRING);
7289
7290 BLOCK_INPUT;
7291 /* First, try whatever font the caller has specified. */
7292 if (STRINGP (font))
7293 {
7294 tem = Fquery_fontset (font, Qnil);
7295 if (STRINGP (tem))
7296 font = x_new_fontset (f, tem);
7297 else
7298 font = x_new_font (f, SDATA (font));
7299 }
7300
7301 /* Try out a font which we hope has bold and italic variations. */
7302 if (!STRINGP (font))
7303 font = x_new_font (f, "-*-Courier New-normal-r-*-*-*-100-*-*-c-*-iso8859-1");
7304 if (! STRINGP (font))
7305 font = x_new_font (f, "-*-Courier-normal-r-*-*-13-*-*-*-c-*-iso8859-1");
7306 /* If those didn't work, look for something which will at least work. */
7307 if (! STRINGP (font))
7308 font = x_new_font (f, "-*-Fixedsys-normal-r-*-*-12-*-*-*-c-*-iso8859-1");
7309 UNBLOCK_INPUT;
7310 if (! STRINGP (font))
7311 font = build_string ("Fixedsys");
7312
7313 x_default_parameter (f, parms, Qfont, font,
7314 "font", "Font", RES_TYPE_STRING);
7315 }
7316
7317 x_default_parameter (f, parms, Qborder_width, make_number (2),
7318 "borderWidth", "BorderWidth", RES_TYPE_NUMBER);
7319 /* This defaults to 2 in order to match xterm. We recognize either
7320 internalBorderWidth or internalBorder (which is what xterm calls
7321 it). */
7322 if (NILP (Fassq (Qinternal_border_width, parms)))
7323 {
7324 Lisp_Object value;
7325
7326 value = w32_get_arg (parms, Qinternal_border_width,
7327 "internalBorder", "internalBorder", RES_TYPE_NUMBER);
7328 if (! EQ (value, Qunbound))
7329 parms = Fcons (Fcons (Qinternal_border_width, value),
7330 parms);
7331 }
7332 x_default_parameter (f, parms, Qinternal_border_width, make_number (1),
7333 "internalBorderWidth", "internalBorderWidth",
7334 RES_TYPE_NUMBER);
7335
7336 /* Also do the stuff which must be set before the window exists. */
7337 x_default_parameter (f, parms, Qforeground_color, build_string ("black"),
7338 "foreground", "Foreground", RES_TYPE_STRING);
7339 x_default_parameter (f, parms, Qbackground_color, build_string ("white"),
7340 "background", "Background", RES_TYPE_STRING);
7341 x_default_parameter (f, parms, Qmouse_color, build_string ("black"),
7342 "pointerColor", "Foreground", RES_TYPE_STRING);
7343 x_default_parameter (f, parms, Qcursor_color, build_string ("black"),
7344 "cursorColor", "Foreground", RES_TYPE_STRING);
7345 x_default_parameter (f, parms, Qborder_color, build_string ("black"),
7346 "borderColor", "BorderColor", RES_TYPE_STRING);
7347
7348 /* Init faces before x_default_parameter is called for scroll-bar
7349 parameters because that function calls x_set_scroll_bar_width,
7350 which calls change_frame_size, which calls Fset_window_buffer,
7351 which runs hooks, which call Fvertical_motion. At the end, we
7352 end up in init_iterator with a null face cache, which should not
7353 happen. */
7354 init_frame_faces (f);
7355
7356 f->output_data.w32->dwStyle = WS_BORDER | WS_POPUP | WS_DISABLED;
7357 f->output_data.w32->parent_desc = FRAME_W32_DISPLAY_INFO (f)->root_window;
7358
7359 window_prompting = x_figure_window_size (f, parms, 0);
7360
7361 /* No fringes on tip frame. */
7362 f->fringe_cols = 0;
7363 f->left_fringe_width = 0;
7364 f->right_fringe_width = 0;
7365
7366 BLOCK_INPUT;
7367 my_create_tip_window (f);
7368 UNBLOCK_INPUT;
7369
7370 x_make_gc (f);
7371
7372 x_default_parameter (f, parms, Qauto_raise, Qnil,
7373 "autoRaise", "AutoRaiseLower", RES_TYPE_BOOLEAN);
7374 x_default_parameter (f, parms, Qauto_lower, Qnil,
7375 "autoLower", "AutoRaiseLower", RES_TYPE_BOOLEAN);
7376 x_default_parameter (f, parms, Qcursor_type, Qbox,
7377 "cursorType", "CursorType", RES_TYPE_SYMBOL);
7378
7379 /* Dimensions, especially FRAME_LINES (f), must be done via change_frame_size.
7380 Change will not be effected unless different from the current
7381 FRAME_LINES (f). */
7382 width = FRAME_COLS (f);
7383 height = FRAME_LINES (f);
7384 FRAME_LINES (f) = 0;
7385 SET_FRAME_COLS (f, 0);
7386 change_frame_size (f, height, width, 1, 0, 0);
7387
7388 /* Add `tooltip' frame parameter's default value. */
7389 if (NILP (Fframe_parameter (frame, intern ("tooltip"))))
7390 Fmodify_frame_parameters (frame, Fcons (Fcons (intern ("tooltip"), Qt),
7391 Qnil));
7392
7393 /* Set up faces after all frame parameters are known. This call
7394 also merges in face attributes specified for new frames.
7395
7396 Frame parameters may be changed if .Xdefaults contains
7397 specifications for the default font. For example, if there is an
7398 `Emacs.default.attributeBackground: pink', the `background-color'
7399 attribute of the frame get's set, which let's the internal border
7400 of the tooltip frame appear in pink. Prevent this. */
7401 {
7402 Lisp_Object bg = Fframe_parameter (frame, Qbackground_color);
7403
7404 /* Set tip_frame here, so that */
7405 tip_frame = frame;
7406 call1 (Qface_set_after_frame_default, frame);
7407
7408 if (!EQ (bg, Fframe_parameter (frame, Qbackground_color)))
7409 Fmodify_frame_parameters (frame, Fcons (Fcons (Qbackground_color, bg),
7410 Qnil));
7411 }
7412
7413 f->no_split = 1;
7414
7415 UNGCPRO;
7416
7417 /* It is now ok to make the frame official even if we get an error
7418 below. And the frame needs to be on Vframe_list or making it
7419 visible won't work. */
7420 Vframe_list = Fcons (frame, Vframe_list);
7421
7422 /* Now that the frame is official, it counts as a reference to
7423 its display. */
7424 FRAME_W32_DISPLAY_INFO (f)->reference_count++;
7425
7426 /* Setting attributes of faces of the tooltip frame from resources
7427 and similar will increment face_change_count, which leads to the
7428 clearing of all current matrices. Since this isn't necessary
7429 here, avoid it by resetting face_change_count to the value it
7430 had before we created the tip frame. */
7431 face_change_count = face_change_count_before;
7432
7433 /* Discard the unwind_protect. */
7434 return unbind_to (count, frame);
7435 }
7436
7437
7438 /* Compute where to display tip frame F. PARMS is the list of frame
7439 parameters for F. DX and DY are specified offsets from the current
7440 location of the mouse. WIDTH and HEIGHT are the width and height
7441 of the tooltip. Return coordinates relative to the root window of
7442 the display in *ROOT_X, and *ROOT_Y. */
7443
7444 static void
7445 compute_tip_xy (f, parms, dx, dy, width, height, root_x, root_y)
7446 struct frame *f;
7447 Lisp_Object parms, dx, dy;
7448 int width, height;
7449 int *root_x, *root_y;
7450 {
7451 Lisp_Object left, top;
7452
7453 /* User-specified position? */
7454 left = Fcdr (Fassq (Qleft, parms));
7455 top = Fcdr (Fassq (Qtop, parms));
7456
7457 /* Move the tooltip window where the mouse pointer is. Resize and
7458 show it. */
7459 if (!INTEGERP (left) || !INTEGERP (top))
7460 {
7461 POINT pt;
7462
7463 BLOCK_INPUT;
7464 GetCursorPos (&pt);
7465 *root_x = pt.x;
7466 *root_y = pt.y;
7467 UNBLOCK_INPUT;
7468 }
7469
7470 if (INTEGERP (top))
7471 *root_y = XINT (top);
7472 else if (*root_y + XINT (dy) - height < 0)
7473 *root_y -= XINT (dy);
7474 else
7475 {
7476 *root_y -= height;
7477 *root_y += XINT (dy);
7478 }
7479
7480 if (INTEGERP (left))
7481 *root_x = XINT (left);
7482 else if (*root_x + XINT (dx) + width <= FRAME_W32_DISPLAY_INFO (f)->width)
7483 /* It fits to the right of the pointer. */
7484 *root_x += XINT (dx);
7485 else if (width + XINT (dx) <= *root_x)
7486 /* It fits to the left of the pointer. */
7487 *root_x -= width + XINT (dx);
7488 else
7489 /* Put it left justified on the screen -- it ought to fit that way. */
7490 *root_x = 0;
7491 }
7492
7493
7494 DEFUN ("x-show-tip", Fx_show_tip, Sx_show_tip, 1, 6, 0,
7495 doc: /* Show STRING in a \"tooltip\" window on frame FRAME.
7496 A tooltip window is a small window displaying a string.
7497
7498 FRAME nil or omitted means use the selected frame.
7499
7500 PARMS is an optional list of frame parameters which can be
7501 used to change the tooltip's appearance.
7502
7503 Automatically hide the tooltip after TIMEOUT seconds. TIMEOUT nil
7504 means use the default timeout of 5 seconds.
7505
7506 If the list of frame parameters PARMS contains a `left' parameter,
7507 the tooltip is displayed at that x-position. Otherwise it is
7508 displayed at the mouse position, with offset DX added (default is 5 if
7509 DX isn't specified). Likewise for the y-position; if a `top' frame
7510 parameter is specified, it determines the y-position of the tooltip
7511 window, otherwise it is displayed at the mouse position, with offset
7512 DY added (default is -10).
7513
7514 A tooltip's maximum size is specified by `x-max-tooltip-size'.
7515 Text larger than the specified size is clipped. */)
7516 (string, frame, parms, timeout, dx, dy)
7517 Lisp_Object string, frame, parms, timeout, dx, dy;
7518 {
7519 struct frame *f;
7520 struct window *w;
7521 int root_x, root_y;
7522 struct buffer *old_buffer;
7523 struct text_pos pos;
7524 int i, width, height;
7525 struct gcpro gcpro1, gcpro2, gcpro3, gcpro4;
7526 int old_windows_or_buffers_changed = windows_or_buffers_changed;
7527 int count = SPECPDL_INDEX ();
7528
7529 specbind (Qinhibit_redisplay, Qt);
7530
7531 GCPRO4 (string, parms, frame, timeout);
7532
7533 CHECK_STRING (string);
7534 f = check_x_frame (frame);
7535 if (NILP (timeout))
7536 timeout = make_number (5);
7537 else
7538 CHECK_NATNUM (timeout);
7539
7540 if (NILP (dx))
7541 dx = make_number (5);
7542 else
7543 CHECK_NUMBER (dx);
7544
7545 if (NILP (dy))
7546 dy = make_number (-10);
7547 else
7548 CHECK_NUMBER (dy);
7549
7550 if (NILP (last_show_tip_args))
7551 last_show_tip_args = Fmake_vector (make_number (3), Qnil);
7552
7553 if (!NILP (tip_frame))
7554 {
7555 Lisp_Object last_string = AREF (last_show_tip_args, 0);
7556 Lisp_Object last_frame = AREF (last_show_tip_args, 1);
7557 Lisp_Object last_parms = AREF (last_show_tip_args, 2);
7558
7559 if (EQ (frame, last_frame)
7560 && !NILP (Fequal (last_string, string))
7561 && !NILP (Fequal (last_parms, parms)))
7562 {
7563 struct frame *f = XFRAME (tip_frame);
7564
7565 /* Only DX and DY have changed. */
7566 if (!NILP (tip_timer))
7567 {
7568 Lisp_Object timer = tip_timer;
7569 tip_timer = Qnil;
7570 call1 (Qcancel_timer, timer);
7571 }
7572
7573 BLOCK_INPUT;
7574 compute_tip_xy (f, parms, dx, dy, FRAME_PIXEL_WIDTH (f),
7575 FRAME_PIXEL_HEIGHT (f), &root_x, &root_y);
7576
7577 /* Put tooltip in topmost group and in position. */
7578 SetWindowPos (FRAME_W32_WINDOW (f), HWND_TOPMOST,
7579 root_x, root_y, 0, 0,
7580 SWP_NOSIZE | SWP_NOACTIVATE);
7581
7582 /* Ensure tooltip is on top of other topmost windows (eg menus). */
7583 SetWindowPos (FRAME_W32_WINDOW (f), HWND_TOP,
7584 0, 0, 0, 0,
7585 SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
7586
7587 UNBLOCK_INPUT;
7588 goto start_timer;
7589 }
7590 }
7591
7592 /* Hide a previous tip, if any. */
7593 Fx_hide_tip ();
7594
7595 ASET (last_show_tip_args, 0, string);
7596 ASET (last_show_tip_args, 1, frame);
7597 ASET (last_show_tip_args, 2, parms);
7598
7599 /* Add default values to frame parameters. */
7600 if (NILP (Fassq (Qname, parms)))
7601 parms = Fcons (Fcons (Qname, build_string ("tooltip")), parms);
7602 if (NILP (Fassq (Qinternal_border_width, parms)))
7603 parms = Fcons (Fcons (Qinternal_border_width, make_number (3)), parms);
7604 if (NILP (Fassq (Qborder_width, parms)))
7605 parms = Fcons (Fcons (Qborder_width, make_number (1)), parms);
7606 if (NILP (Fassq (Qborder_color, parms)))
7607 parms = Fcons (Fcons (Qborder_color, build_string ("lightyellow")), parms);
7608 if (NILP (Fassq (Qbackground_color, parms)))
7609 parms = Fcons (Fcons (Qbackground_color, build_string ("lightyellow")),
7610 parms);
7611
7612 /* Block input until the tip has been fully drawn, to avoid crashes
7613 when drawing tips in menus. */
7614 BLOCK_INPUT;
7615
7616 /* Create a frame for the tooltip, and record it in the global
7617 variable tip_frame. */
7618 frame = x_create_tip_frame (FRAME_W32_DISPLAY_INFO (f), parms, string);
7619 f = XFRAME (frame);
7620
7621 /* Set up the frame's root window. */
7622 w = XWINDOW (FRAME_ROOT_WINDOW (f));
7623 w->left_col = w->top_line = make_number (0);
7624
7625 if (CONSP (Vx_max_tooltip_size)
7626 && INTEGERP (XCAR (Vx_max_tooltip_size))
7627 && XINT (XCAR (Vx_max_tooltip_size)) > 0
7628 && INTEGERP (XCDR (Vx_max_tooltip_size))
7629 && XINT (XCDR (Vx_max_tooltip_size)) > 0)
7630 {
7631 w->total_cols = XCAR (Vx_max_tooltip_size);
7632 w->total_lines = XCDR (Vx_max_tooltip_size);
7633 }
7634 else
7635 {
7636 w->total_cols = make_number (80);
7637 w->total_lines = make_number (40);
7638 }
7639
7640 FRAME_TOTAL_COLS (f) = XINT (w->total_cols);
7641 adjust_glyphs (f);
7642 w->pseudo_window_p = 1;
7643
7644 /* Display the tooltip text in a temporary buffer. */
7645 old_buffer = current_buffer;
7646 set_buffer_internal_1 (XBUFFER (XWINDOW (FRAME_ROOT_WINDOW (f))->buffer));
7647 current_buffer->truncate_lines = Qnil;
7648 clear_glyph_matrix (w->desired_matrix);
7649 clear_glyph_matrix (w->current_matrix);
7650 SET_TEXT_POS (pos, BEGV, BEGV_BYTE);
7651 try_window (FRAME_ROOT_WINDOW (f), pos, 0);
7652
7653 /* Compute width and height of the tooltip. */
7654 width = height = 0;
7655 for (i = 0; i < w->desired_matrix->nrows; ++i)
7656 {
7657 struct glyph_row *row = &w->desired_matrix->rows[i];
7658 struct glyph *last;
7659 int row_width;
7660
7661 /* Stop at the first empty row at the end. */
7662 if (!row->enabled_p || !row->displays_text_p)
7663 break;
7664
7665 /* Let the row go over the full width of the frame. */
7666 row->full_width_p = 1;
7667
7668 #ifdef TODO /* Investigate why some fonts need more width than is
7669 calculated for some tooltips. */
7670 /* There's a glyph at the end of rows that is use to place
7671 the cursor there. Don't include the width of this glyph. */
7672 if (row->used[TEXT_AREA])
7673 {
7674 last = &row->glyphs[TEXT_AREA][row->used[TEXT_AREA] - 1];
7675 row_width = row->pixel_width - last->pixel_width;
7676 }
7677 else
7678 #endif
7679 row_width = row->pixel_width;
7680
7681 /* TODO: find why tips do not draw along baseline as instructed. */
7682 height += row->height;
7683 width = max (width, row_width);
7684 }
7685
7686 /* Add the frame's internal border to the width and height the X
7687 window should have. */
7688 height += 2 * FRAME_INTERNAL_BORDER_WIDTH (f);
7689 width += 2 * FRAME_INTERNAL_BORDER_WIDTH (f);
7690
7691 /* Move the tooltip window where the mouse pointer is. Resize and
7692 show it. */
7693 compute_tip_xy (f, parms, dx, dy, width, height, &root_x, &root_y);
7694
7695 {
7696 /* Adjust Window size to take border into account. */
7697 RECT rect;
7698 rect.left = rect.top = 0;
7699 rect.right = width;
7700 rect.bottom = height;
7701 AdjustWindowRect (&rect, f->output_data.w32->dwStyle,
7702 FRAME_EXTERNAL_MENU_BAR (f));
7703
7704 /* Position and size tooltip, and put it in the topmost group. */
7705 SetWindowPos (FRAME_W32_WINDOW (f), HWND_TOPMOST,
7706 root_x, root_y, rect.right - rect.left,
7707 rect.bottom - rect.top, SWP_NOACTIVATE);
7708
7709 /* Ensure tooltip is on top of other topmost windows (eg menus). */
7710 SetWindowPos (FRAME_W32_WINDOW (f), HWND_TOP,
7711 0, 0, 0, 0,
7712 SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
7713
7714 /* Let redisplay know that we have made the frame visible already. */
7715 f->async_visible = 1;
7716
7717 ShowWindow (FRAME_W32_WINDOW (f), SW_SHOWNOACTIVATE);
7718 }
7719
7720 /* Draw into the window. */
7721 w->must_be_updated_p = 1;
7722 update_single_window (w, 1);
7723
7724 UNBLOCK_INPUT;
7725
7726 /* Restore original current buffer. */
7727 set_buffer_internal_1 (old_buffer);
7728 windows_or_buffers_changed = old_windows_or_buffers_changed;
7729
7730 start_timer:
7731 /* Let the tip disappear after timeout seconds. */
7732 tip_timer = call3 (intern ("run-at-time"), timeout, Qnil,
7733 intern ("x-hide-tip"));
7734
7735 UNGCPRO;
7736 return unbind_to (count, Qnil);
7737 }
7738
7739
7740 DEFUN ("x-hide-tip", Fx_hide_tip, Sx_hide_tip, 0, 0, 0,
7741 doc: /* Hide the current tooltip window, if there is any.
7742 Value is t if tooltip was open, nil otherwise. */)
7743 ()
7744 {
7745 int count;
7746 Lisp_Object deleted, frame, timer;
7747 struct gcpro gcpro1, gcpro2;
7748
7749 /* Return quickly if nothing to do. */
7750 if (NILP (tip_timer) && NILP (tip_frame))
7751 return Qnil;
7752
7753 frame = tip_frame;
7754 timer = tip_timer;
7755 GCPRO2 (frame, timer);
7756 tip_frame = tip_timer = deleted = Qnil;
7757
7758 count = SPECPDL_INDEX ();
7759 specbind (Qinhibit_redisplay, Qt);
7760 specbind (Qinhibit_quit, Qt);
7761
7762 if (!NILP (timer))
7763 call1 (Qcancel_timer, timer);
7764
7765 if (FRAMEP (frame))
7766 {
7767 Fdelete_frame (frame, Qnil);
7768 deleted = Qt;
7769 }
7770
7771 UNGCPRO;
7772 return unbind_to (count, deleted);
7773 }
7774
7775
7776 \f
7777 /***********************************************************************
7778 File selection dialog
7779 ***********************************************************************/
7780 extern Lisp_Object Qfile_name_history;
7781
7782 /* Callback for altering the behaviour of the Open File dialog.
7783 Makes the Filename text field contain "Current Directory" and be
7784 read-only when "Directories" is selected in the filter. This
7785 allows us to work around the fact that the standard Open File
7786 dialog does not support directories. */
7787 UINT CALLBACK
7788 file_dialog_callback (hwnd, msg, wParam, lParam)
7789 HWND hwnd;
7790 UINT msg;
7791 WPARAM wParam;
7792 LPARAM lParam;
7793 {
7794 if (msg == WM_NOTIFY)
7795 {
7796 OFNOTIFY * notify = (OFNOTIFY *)lParam;
7797 /* Detect when the Filter dropdown is changed. */
7798 if (notify->hdr.code == CDN_TYPECHANGE
7799 || notify->hdr.code == CDN_INITDONE)
7800 {
7801 HWND dialog = GetParent (hwnd);
7802 HWND edit_control = GetDlgItem (dialog, FILE_NAME_TEXT_FIELD);
7803
7804 /* Directories is in index 2. */
7805 if (notify->lpOFN->nFilterIndex == 2)
7806 {
7807 CommDlg_OpenSave_SetControlText (dialog, FILE_NAME_TEXT_FIELD,
7808 "Current Directory");
7809 EnableWindow (edit_control, FALSE);
7810 }
7811 else
7812 {
7813 /* Don't override default filename on init done. */
7814 if (notify->hdr.code == CDN_TYPECHANGE)
7815 CommDlg_OpenSave_SetControlText (dialog,
7816 FILE_NAME_TEXT_FIELD, "");
7817 EnableWindow (edit_control, TRUE);
7818 }
7819 }
7820 }
7821 return 0;
7822 }
7823
7824 /* Since we compile with _WIN32_WINNT set to 0x0400 (for NT4 compatibility)
7825 we end up with the old file dialogs. Define a big enough struct for the
7826 new dialog to trick GetOpenFileName into giving us the new dialogs on
7827 Windows 2000 and XP. */
7828 typedef struct
7829 {
7830 OPENFILENAME real_details;
7831 void * pReserved;
7832 DWORD dwReserved;
7833 DWORD FlagsEx;
7834 } NEWOPENFILENAME;
7835
7836
7837 DEFUN ("x-file-dialog", Fx_file_dialog, Sx_file_dialog, 2, 5, 0,
7838 doc: /* Read file name, prompting with PROMPT in directory DIR.
7839 Use a file selection dialog.
7840 Select DEFAULT-FILENAME in the dialog's file selection box, if
7841 specified. Ensure that file exists if MUSTMATCH is non-nil.
7842 If ONLY-DIR-P is non-nil, the user can only select directories. */)
7843 (prompt, dir, default_filename, mustmatch, only_dir_p)
7844 Lisp_Object prompt, dir, default_filename, mustmatch, only_dir_p;
7845 {
7846 struct frame *f = SELECTED_FRAME ();
7847 Lisp_Object file = Qnil;
7848 int count = SPECPDL_INDEX ();
7849 struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5, gcpro6;
7850 char filename[MAX_PATH + 1];
7851 char init_dir[MAX_PATH + 1];
7852 int default_filter_index = 1; /* 1: All Files, 2: Directories only */
7853
7854 GCPRO6 (prompt, dir, default_filename, mustmatch, only_dir_p, file);
7855 CHECK_STRING (prompt);
7856 CHECK_STRING (dir);
7857
7858 /* Create the dialog with PROMPT as title, using DIR as initial
7859 directory and using "*" as pattern. */
7860 dir = Fexpand_file_name (dir, Qnil);
7861 strncpy (init_dir, SDATA (ENCODE_FILE (dir)), MAX_PATH);
7862 init_dir[MAX_PATH] = '\0';
7863 unixtodos_filename (init_dir);
7864
7865 if (STRINGP (default_filename))
7866 {
7867 char *file_name_only;
7868 char *full_path_name = SDATA (ENCODE_FILE (default_filename));
7869
7870 unixtodos_filename (full_path_name);
7871
7872 file_name_only = strrchr (full_path_name, '\\');
7873 if (!file_name_only)
7874 file_name_only = full_path_name;
7875 else
7876 file_name_only++;
7877
7878 strncpy (filename, file_name_only, MAX_PATH);
7879 filename[MAX_PATH] = '\0';
7880 }
7881 else
7882 filename[0] = '\0';
7883
7884 {
7885 NEWOPENFILENAME new_file_details;
7886 BOOL file_opened = FALSE;
7887 OPENFILENAME * file_details = &new_file_details.real_details;
7888
7889 /* Prevent redisplay. */
7890 specbind (Qinhibit_redisplay, Qt);
7891 BLOCK_INPUT;
7892
7893 bzero (&new_file_details, sizeof (new_file_details));
7894 /* Apparently NT4 crashes if you give it an unexpected size.
7895 I'm not sure about Windows 9x, so play it safe. */
7896 if (w32_major_version > 4 && w32_major_version < 95)
7897 file_details->lStructSize = sizeof (new_file_details);
7898 else
7899 file_details->lStructSize = sizeof (file_details);
7900
7901 file_details->hwndOwner = FRAME_W32_WINDOW (f);
7902 /* Undocumented Bug in Common File Dialog:
7903 If a filter is not specified, shell links are not resolved. */
7904 file_details->lpstrFilter = "All Files (*.*)\0*.*\0Directories\0*|*\0\0";
7905 file_details->lpstrFile = filename;
7906 file_details->nMaxFile = sizeof (filename);
7907 file_details->lpstrInitialDir = init_dir;
7908 file_details->lpstrTitle = SDATA (prompt);
7909
7910 if (! NILP (only_dir_p))
7911 default_filter_index = 2;
7912
7913 file_details->nFilterIndex = default_filter_index;
7914
7915 file_details->Flags = (OFN_HIDEREADONLY | OFN_NOCHANGEDIR
7916 | OFN_EXPLORER | OFN_ENABLEHOOK);
7917 if (!NILP (mustmatch))
7918 {
7919 /* Require that the path to the parent directory exists. */
7920 file_details->Flags |= OFN_PATHMUSTEXIST;
7921 /* If we are looking for a file, require that it exists. */
7922 if (NILP (only_dir_p))
7923 file_details->Flags |= OFN_FILEMUSTEXIST;
7924 }
7925
7926 file_details->lpfnHook = (LPOFNHOOKPROC) file_dialog_callback;
7927
7928 file_opened = GetOpenFileName (file_details);
7929
7930 UNBLOCK_INPUT;
7931
7932 if (file_opened)
7933 {
7934 dostounix_filename (filename);
7935
7936 if (file_details->nFilterIndex == 2)
7937 {
7938 /* "Directories" selected - strip dummy file name. */
7939 char * last = strrchr (filename, '/');
7940 *last = '\0';
7941 }
7942
7943 file = DECODE_FILE(build_string (filename));
7944 }
7945 /* User cancelled the dialog without making a selection. */
7946 else if (!CommDlgExtendedError ())
7947 file = Qnil;
7948 /* An error occurred, fallback on reading from the mini-buffer. */
7949 else
7950 file = Fcompleting_read (prompt, intern ("read-file-name-internal"),
7951 dir, mustmatch, dir, Qfile_name_history,
7952 default_filename, Qnil);
7953
7954 file = unbind_to (count, file);
7955 }
7956
7957 UNGCPRO;
7958
7959 /* Make "Cancel" equivalent to C-g. */
7960 if (NILP (file))
7961 Fsignal (Qquit, Qnil);
7962
7963 return unbind_to (count, file);
7964 }
7965
7966
7967 \f
7968 /***********************************************************************
7969 w32 specialized functions
7970 ***********************************************************************/
7971
7972 DEFUN ("w32-select-font", Fw32_select_font, Sw32_select_font, 0, 2, 0,
7973 doc: /* Select a font using the W32 font dialog.
7974 Returns an X font string corresponding to the selection. */)
7975 (frame, include_proportional)
7976 Lisp_Object frame, include_proportional;
7977 {
7978 FRAME_PTR f = check_x_frame (frame);
7979 CHOOSEFONT cf;
7980 LOGFONT lf;
7981 TEXTMETRIC tm;
7982 HDC hdc;
7983 HANDLE oldobj;
7984 char buf[100];
7985
7986 bzero (&cf, sizeof (cf));
7987 bzero (&lf, sizeof (lf));
7988
7989 cf.lStructSize = sizeof (cf);
7990 cf.hwndOwner = FRAME_W32_WINDOW (f);
7991 cf.Flags = CF_FORCEFONTEXIST | CF_SCREENFONTS | CF_NOVERTFONTS;
7992
7993 /* Unless include_proportional is non-nil, limit the selection to
7994 monospaced fonts. */
7995 if (NILP (include_proportional))
7996 cf.Flags |= CF_FIXEDPITCHONLY;
7997
7998 cf.lpLogFont = &lf;
7999
8000 /* Initialize as much of the font details as we can from the current
8001 default font. */
8002 hdc = GetDC (FRAME_W32_WINDOW (f));
8003 oldobj = SelectObject (hdc, FRAME_FONT (f)->hfont);
8004 GetTextFace (hdc, LF_FACESIZE, lf.lfFaceName);
8005 if (GetTextMetrics (hdc, &tm))
8006 {
8007 lf.lfHeight = tm.tmInternalLeading - tm.tmHeight;
8008 lf.lfWeight = tm.tmWeight;
8009 lf.lfItalic = tm.tmItalic;
8010 lf.lfUnderline = tm.tmUnderlined;
8011 lf.lfStrikeOut = tm.tmStruckOut;
8012 lf.lfCharSet = tm.tmCharSet;
8013 cf.Flags |= CF_INITTOLOGFONTSTRUCT;
8014 }
8015 SelectObject (hdc, oldobj);
8016 ReleaseDC (FRAME_W32_WINDOW (f), hdc);
8017
8018 if (!ChooseFont (&cf) || !w32_to_x_font (&lf, buf, 100, NULL))
8019 return Qnil;
8020
8021 return build_string (buf);
8022 }
8023
8024 DEFUN ("w32-send-sys-command", Fw32_send_sys_command,
8025 Sw32_send_sys_command, 1, 2, 0,
8026 doc: /* Send frame a Windows WM_SYSCOMMAND message of type COMMAND.
8027 Some useful values for COMMAND are #xf030 to maximize frame (#xf020
8028 to minimize), #xf120 to restore frame to original size, and #xf100
8029 to activate the menubar for keyboard access. #xf140 activates the
8030 screen saver if defined.
8031
8032 If optional parameter FRAME is not specified, use selected frame. */)
8033 (command, frame)
8034 Lisp_Object command, frame;
8035 {
8036 FRAME_PTR f = check_x_frame (frame);
8037
8038 CHECK_NUMBER (command);
8039
8040 PostMessage (FRAME_W32_WINDOW (f), WM_SYSCOMMAND, XINT (command), 0);
8041
8042 return Qnil;
8043 }
8044
8045 DEFUN ("w32-shell-execute", Fw32_shell_execute, Sw32_shell_execute, 2, 4, 0,
8046 doc: /* Get Windows to perform OPERATION on DOCUMENT.
8047 This is a wrapper around the ShellExecute system function, which
8048 invokes the application registered to handle OPERATION for DOCUMENT.
8049 OPERATION is typically \"open\", \"print\" or \"explore\" (but can be
8050 nil for the default action), and DOCUMENT is typically the name of a
8051 document file or URL, but can also be a program executable to run or
8052 a directory to open in the Windows Explorer.
8053
8054 If DOCUMENT is a program executable, PARAMETERS can be a string
8055 containing command line parameters, but otherwise should be nil.
8056
8057 SHOW-FLAG can be used to control whether the invoked application is hidden
8058 or minimized. If SHOW-FLAG is nil, the application is displayed normally,
8059 otherwise it is an integer representing a ShowWindow flag:
8060
8061 0 - start hidden
8062 1 - start normally
8063 3 - start maximized
8064 6 - start minimized */)
8065 (operation, document, parameters, show_flag)
8066 Lisp_Object operation, document, parameters, show_flag;
8067 {
8068 Lisp_Object current_dir;
8069
8070 CHECK_STRING (document);
8071
8072 /* Encode filename and current directory. */
8073 current_dir = ENCODE_FILE (current_buffer->directory);
8074 document = ENCODE_FILE (document);
8075 if ((int) ShellExecute (NULL,
8076 (STRINGP (operation) ?
8077 SDATA (operation) : NULL),
8078 SDATA (document),
8079 (STRINGP (parameters) ?
8080 SDATA (parameters) : NULL),
8081 SDATA (current_dir),
8082 (INTEGERP (show_flag) ?
8083 XINT (show_flag) : SW_SHOWDEFAULT))
8084 > 32)
8085 return Qt;
8086 error ("ShellExecute failed: %s", w32_strerror (0));
8087 }
8088
8089 /* Lookup virtual keycode from string representing the name of a
8090 non-ascii keystroke into the corresponding virtual key, using
8091 lispy_function_keys. */
8092 static int
8093 lookup_vk_code (char *key)
8094 {
8095 int i;
8096
8097 for (i = 0; i < 256; i++)
8098 if (lispy_function_keys[i] != 0
8099 && strcmp (lispy_function_keys[i], key) == 0)
8100 return i;
8101
8102 return -1;
8103 }
8104
8105 /* Convert a one-element vector style key sequence to a hot key
8106 definition. */
8107 static Lisp_Object
8108 w32_parse_hot_key (key)
8109 Lisp_Object key;
8110 {
8111 /* Copied from Fdefine_key and store_in_keymap. */
8112 register Lisp_Object c;
8113 int vk_code;
8114 int lisp_modifiers;
8115 int w32_modifiers;
8116 struct gcpro gcpro1;
8117
8118 CHECK_VECTOR (key);
8119
8120 if (XFASTINT (Flength (key)) != 1)
8121 return Qnil;
8122
8123 GCPRO1 (key);
8124
8125 c = Faref (key, make_number (0));
8126
8127 if (CONSP (c) && lucid_event_type_list_p (c))
8128 c = Fevent_convert_list (c);
8129
8130 UNGCPRO;
8131
8132 if (! INTEGERP (c) && ! SYMBOLP (c))
8133 error ("Key definition is invalid");
8134
8135 /* Work out the base key and the modifiers. */
8136 if (SYMBOLP (c))
8137 {
8138 c = parse_modifiers (c);
8139 lisp_modifiers = XINT (Fcar (Fcdr (c)));
8140 c = Fcar (c);
8141 if (!SYMBOLP (c))
8142 abort ();
8143 vk_code = lookup_vk_code (SDATA (SYMBOL_NAME (c)));
8144 }
8145 else if (INTEGERP (c))
8146 {
8147 lisp_modifiers = XINT (c) & ~CHARACTERBITS;
8148 /* Many ascii characters are their own virtual key code. */
8149 vk_code = XINT (c) & CHARACTERBITS;
8150 }
8151
8152 if (vk_code < 0 || vk_code > 255)
8153 return Qnil;
8154
8155 if ((lisp_modifiers & meta_modifier) != 0
8156 && !NILP (Vw32_alt_is_meta))
8157 lisp_modifiers |= alt_modifier;
8158
8159 /* Supply defs missing from mingw32. */
8160 #ifndef MOD_ALT
8161 #define MOD_ALT 0x0001
8162 #define MOD_CONTROL 0x0002
8163 #define MOD_SHIFT 0x0004
8164 #define MOD_WIN 0x0008
8165 #endif
8166
8167 /* Convert lisp modifiers to Windows hot-key form. */
8168 w32_modifiers = (lisp_modifiers & hyper_modifier) ? MOD_WIN : 0;
8169 w32_modifiers |= (lisp_modifiers & alt_modifier) ? MOD_ALT : 0;
8170 w32_modifiers |= (lisp_modifiers & ctrl_modifier) ? MOD_CONTROL : 0;
8171 w32_modifiers |= (lisp_modifiers & shift_modifier) ? MOD_SHIFT : 0;
8172
8173 return HOTKEY (vk_code, w32_modifiers);
8174 }
8175
8176 DEFUN ("w32-register-hot-key", Fw32_register_hot_key,
8177 Sw32_register_hot_key, 1, 1, 0,
8178 doc: /* Register KEY as a hot-key combination.
8179 Certain key combinations like Alt-Tab are reserved for system use on
8180 Windows, and therefore are normally intercepted by the system. However,
8181 most of these key combinations can be received by registering them as
8182 hot-keys, overriding their special meaning.
8183
8184 KEY must be a one element key definition in vector form that would be
8185 acceptable to `define-key' (e.g. [A-tab] for Alt-Tab). The meta
8186 modifier is interpreted as Alt if `w32-alt-is-meta' is t, and hyper
8187 is always interpreted as the Windows modifier keys.
8188
8189 The return value is the hotkey-id if registered, otherwise nil. */)
8190 (key)
8191 Lisp_Object key;
8192 {
8193 key = w32_parse_hot_key (key);
8194
8195 if (NILP (Fmemq (key, w32_grabbed_keys)))
8196 {
8197 /* Reuse an empty slot if possible. */
8198 Lisp_Object item = Fmemq (Qnil, w32_grabbed_keys);
8199
8200 /* Safe to add new key to list, even if we have focus. */
8201 if (NILP (item))
8202 w32_grabbed_keys = Fcons (key, w32_grabbed_keys);
8203 else
8204 XSETCAR (item, key);
8205
8206 /* Notify input thread about new hot-key definition, so that it
8207 takes effect without needing to switch focus. */
8208 #ifdef USE_LISP_UNION_TYPE
8209 PostThreadMessage (dwWindowsThreadId, WM_EMACS_REGISTER_HOT_KEY,
8210 (WPARAM) key.i, 0);
8211 #else
8212 PostThreadMessage (dwWindowsThreadId, WM_EMACS_REGISTER_HOT_KEY,
8213 (WPARAM) key, 0);
8214 #endif
8215 }
8216
8217 return key;
8218 }
8219
8220 DEFUN ("w32-unregister-hot-key", Fw32_unregister_hot_key,
8221 Sw32_unregister_hot_key, 1, 1, 0,
8222 doc: /* Unregister KEY as a hot-key combination. */)
8223 (key)
8224 Lisp_Object key;
8225 {
8226 Lisp_Object item;
8227
8228 if (!INTEGERP (key))
8229 key = w32_parse_hot_key (key);
8230
8231 item = Fmemq (key, w32_grabbed_keys);
8232
8233 if (!NILP (item))
8234 {
8235 /* Notify input thread about hot-key definition being removed, so
8236 that it takes effect without needing focus switch. */
8237 #ifdef USE_LISP_UNION_TYPE
8238 if (PostThreadMessage (dwWindowsThreadId, WM_EMACS_UNREGISTER_HOT_KEY,
8239 (WPARAM) XINT (XCAR (item)), (LPARAM) item.i))
8240 #else
8241 if (PostThreadMessage (dwWindowsThreadId, WM_EMACS_UNREGISTER_HOT_KEY,
8242 (WPARAM) XINT (XCAR (item)), (LPARAM) item))
8243
8244 #endif
8245 {
8246 MSG msg;
8247 GetMessage (&msg, NULL, WM_EMACS_DONE, WM_EMACS_DONE);
8248 }
8249 return Qt;
8250 }
8251 return Qnil;
8252 }
8253
8254 DEFUN ("w32-registered-hot-keys", Fw32_registered_hot_keys,
8255 Sw32_registered_hot_keys, 0, 0, 0,
8256 doc: /* Return list of registered hot-key IDs. */)
8257 ()
8258 {
8259 return Fcopy_sequence (w32_grabbed_keys);
8260 }
8261
8262 DEFUN ("w32-reconstruct-hot-key", Fw32_reconstruct_hot_key,
8263 Sw32_reconstruct_hot_key, 1, 1, 0,
8264 doc: /* Convert hot-key ID to a lisp key combination.
8265 usage: (w32-reconstruct-hot-key ID) */)
8266 (hotkeyid)
8267 Lisp_Object hotkeyid;
8268 {
8269 int vk_code, w32_modifiers;
8270 Lisp_Object key;
8271
8272 CHECK_NUMBER (hotkeyid);
8273
8274 vk_code = HOTKEY_VK_CODE (hotkeyid);
8275 w32_modifiers = HOTKEY_MODIFIERS (hotkeyid);
8276
8277 if (lispy_function_keys[vk_code])
8278 key = intern (lispy_function_keys[vk_code]);
8279 else
8280 key = make_number (vk_code);
8281
8282 key = Fcons (key, Qnil);
8283 if (w32_modifiers & MOD_SHIFT)
8284 key = Fcons (Qshift, key);
8285 if (w32_modifiers & MOD_CONTROL)
8286 key = Fcons (Qctrl, key);
8287 if (w32_modifiers & MOD_ALT)
8288 key = Fcons (NILP (Vw32_alt_is_meta) ? Qalt : Qmeta, key);
8289 if (w32_modifiers & MOD_WIN)
8290 key = Fcons (Qhyper, key);
8291
8292 return key;
8293 }
8294
8295 DEFUN ("w32-toggle-lock-key", Fw32_toggle_lock_key,
8296 Sw32_toggle_lock_key, 1, 2, 0,
8297 doc: /* Toggle the state of the lock key KEY.
8298 KEY can be `capslock', `kp-numlock', or `scroll'.
8299 If the optional parameter NEW-STATE is a number, then the state of KEY
8300 is set to off if the low bit of NEW-STATE is zero, otherwise on. */)
8301 (key, new_state)
8302 Lisp_Object key, new_state;
8303 {
8304 int vk_code;
8305
8306 if (EQ (key, intern ("capslock")))
8307 vk_code = VK_CAPITAL;
8308 else if (EQ (key, intern ("kp-numlock")))
8309 vk_code = VK_NUMLOCK;
8310 else if (EQ (key, intern ("scroll")))
8311 vk_code = VK_SCROLL;
8312 else
8313 return Qnil;
8314
8315 if (!dwWindowsThreadId)
8316 return make_number (w32_console_toggle_lock_key (vk_code, new_state));
8317
8318 #ifdef USE_LISP_UNION_TYPE
8319 if (PostThreadMessage (dwWindowsThreadId, WM_EMACS_TOGGLE_LOCK_KEY,
8320 (WPARAM) vk_code, (LPARAM) new_state.i))
8321 #else
8322 if (PostThreadMessage (dwWindowsThreadId, WM_EMACS_TOGGLE_LOCK_KEY,
8323 (WPARAM) vk_code, (LPARAM) new_state))
8324 #endif
8325 {
8326 MSG msg;
8327 GetMessage (&msg, NULL, WM_EMACS_DONE, WM_EMACS_DONE);
8328 return make_number (msg.wParam);
8329 }
8330 return Qnil;
8331 }
8332 \f
8333 DEFUN ("file-system-info", Ffile_system_info, Sfile_system_info, 1, 1, 0,
8334 doc: /* Return storage information about the file system FILENAME is on.
8335 Value is a list of floats (TOTAL FREE AVAIL), where TOTAL is the total
8336 storage of the file system, FREE is the free storage, and AVAIL is the
8337 storage available to a non-superuser. All 3 numbers are in bytes.
8338 If the underlying system call fails, value is nil. */)
8339 (filename)
8340 Lisp_Object filename;
8341 {
8342 Lisp_Object encoded, value;
8343
8344 CHECK_STRING (filename);
8345 filename = Fexpand_file_name (filename, Qnil);
8346 encoded = ENCODE_FILE (filename);
8347
8348 value = Qnil;
8349
8350 /* Determining the required information on Windows turns out, sadly,
8351 to be more involved than one would hope. The original Win32 api
8352 call for this will return bogus information on some systems, but we
8353 must dynamically probe for the replacement api, since that was
8354 added rather late on. */
8355 {
8356 HMODULE hKernel = GetModuleHandle ("kernel32");
8357 BOOL (*pfn_GetDiskFreeSpaceEx)
8358 (char *, PULARGE_INTEGER, PULARGE_INTEGER, PULARGE_INTEGER)
8359 = (void *) GetProcAddress (hKernel, "GetDiskFreeSpaceEx");
8360
8361 /* On Windows, we may need to specify the root directory of the
8362 volume holding FILENAME. */
8363 char rootname[MAX_PATH];
8364 char *name = SDATA (encoded);
8365
8366 /* find the root name of the volume if given */
8367 if (isalpha (name[0]) && name[1] == ':')
8368 {
8369 rootname[0] = name[0];
8370 rootname[1] = name[1];
8371 rootname[2] = '\\';
8372 rootname[3] = 0;
8373 }
8374 else if (IS_DIRECTORY_SEP (name[0]) && IS_DIRECTORY_SEP (name[1]))
8375 {
8376 char *str = rootname;
8377 int slashes = 4;
8378 do
8379 {
8380 if (IS_DIRECTORY_SEP (*name) && --slashes == 0)
8381 break;
8382 *str++ = *name++;
8383 }
8384 while ( *name );
8385
8386 *str++ = '\\';
8387 *str = 0;
8388 }
8389
8390 if (pfn_GetDiskFreeSpaceEx)
8391 {
8392 /* Unsigned large integers cannot be cast to double, so
8393 use signed ones instead. */
8394 LARGE_INTEGER availbytes;
8395 LARGE_INTEGER freebytes;
8396 LARGE_INTEGER totalbytes;
8397
8398 if (pfn_GetDiskFreeSpaceEx(rootname,
8399 (ULARGE_INTEGER *)&availbytes,
8400 (ULARGE_INTEGER *)&totalbytes,
8401 (ULARGE_INTEGER *)&freebytes))
8402 value = list3 (make_float ((double) totalbytes.QuadPart),
8403 make_float ((double) freebytes.QuadPart),
8404 make_float ((double) availbytes.QuadPart));
8405 }
8406 else
8407 {
8408 DWORD sectors_per_cluster;
8409 DWORD bytes_per_sector;
8410 DWORD free_clusters;
8411 DWORD total_clusters;
8412
8413 if (GetDiskFreeSpace(rootname,
8414 &sectors_per_cluster,
8415 &bytes_per_sector,
8416 &free_clusters,
8417 &total_clusters))
8418 value = list3 (make_float ((double) total_clusters
8419 * sectors_per_cluster * bytes_per_sector),
8420 make_float ((double) free_clusters
8421 * sectors_per_cluster * bytes_per_sector),
8422 make_float ((double) free_clusters
8423 * sectors_per_cluster * bytes_per_sector));
8424 }
8425 }
8426
8427 return value;
8428 }
8429 \f
8430 DEFUN ("default-printer-name", Fdefault_printer_name, Sdefault_printer_name,
8431 0, 0, 0, doc: /* Return the name of Windows default printer device. */)
8432 ()
8433 {
8434 static char pname_buf[256];
8435 int err;
8436 HANDLE hPrn;
8437 PRINTER_INFO_2 *ppi2 = NULL;
8438 DWORD dwNeeded = 0, dwReturned = 0;
8439
8440 /* Retrieve the default string from Win.ini (the registry).
8441 * String will be in form "printername,drivername,portname".
8442 * This is the most portable way to get the default printer. */
8443 if (GetProfileString ("windows", "device", ",,", pname_buf, sizeof (pname_buf)) <= 0)
8444 return Qnil;
8445 /* printername precedes first "," character */
8446 strtok (pname_buf, ",");
8447 /* We want to know more than the printer name */
8448 if (!OpenPrinter (pname_buf, &hPrn, NULL))
8449 return Qnil;
8450 GetPrinter (hPrn, 2, NULL, 0, &dwNeeded);
8451 if (dwNeeded == 0)
8452 {
8453 ClosePrinter (hPrn);
8454 return Qnil;
8455 }
8456 /* Allocate memory for the PRINTER_INFO_2 struct */
8457 ppi2 = (PRINTER_INFO_2 *) xmalloc (dwNeeded);
8458 if (!ppi2)
8459 {
8460 ClosePrinter (hPrn);
8461 return Qnil;
8462 }
8463 /* Call GetPrinter() again with big enouth memory block */
8464 err = GetPrinter (hPrn, 2, (LPBYTE)ppi2, dwNeeded, &dwReturned);
8465 ClosePrinter (hPrn);
8466 if (!err)
8467 {
8468 xfree(ppi2);
8469 return Qnil;
8470 }
8471
8472 if (ppi2)
8473 {
8474 if (ppi2->Attributes & PRINTER_ATTRIBUTE_SHARED && ppi2->pServerName)
8475 {
8476 /* a remote printer */
8477 if (*ppi2->pServerName == '\\')
8478 _snprintf(pname_buf, sizeof (pname_buf), "%s\\%s", ppi2->pServerName,
8479 ppi2->pShareName);
8480 else
8481 _snprintf(pname_buf, sizeof (pname_buf), "\\\\%s\\%s", ppi2->pServerName,
8482 ppi2->pShareName);
8483 pname_buf[sizeof (pname_buf) - 1] = '\0';
8484 }
8485 else
8486 {
8487 /* a local printer */
8488 strncpy(pname_buf, ppi2->pPortName, sizeof (pname_buf));
8489 pname_buf[sizeof (pname_buf) - 1] = '\0';
8490 /* `pPortName' can include several ports, delimited by ','.
8491 * we only use the first one. */
8492 strtok(pname_buf, ",");
8493 }
8494 xfree(ppi2);
8495 }
8496
8497 return build_string (pname_buf);
8498 }
8499 \f
8500 /***********************************************************************
8501 Initialization
8502 ***********************************************************************/
8503
8504 /* Keep this list in the same order as frame_parms in frame.c.
8505 Use 0 for unsupported frame parameters. */
8506
8507 frame_parm_handler w32_frame_parm_handlers[] =
8508 {
8509 x_set_autoraise,
8510 x_set_autolower,
8511 x_set_background_color,
8512 x_set_border_color,
8513 x_set_border_width,
8514 x_set_cursor_color,
8515 x_set_cursor_type,
8516 x_set_font,
8517 x_set_foreground_color,
8518 x_set_icon_name,
8519 x_set_icon_type,
8520 x_set_internal_border_width,
8521 x_set_menu_bar_lines,
8522 x_set_mouse_color,
8523 x_explicitly_set_name,
8524 x_set_scroll_bar_width,
8525 x_set_title,
8526 x_set_unsplittable,
8527 x_set_vertical_scroll_bars,
8528 x_set_visibility,
8529 x_set_tool_bar_lines,
8530 0, /* x_set_scroll_bar_foreground, */
8531 0, /* x_set_scroll_bar_background, */
8532 x_set_screen_gamma,
8533 x_set_line_spacing,
8534 x_set_fringe_width,
8535 x_set_fringe_width,
8536 0, /* x_set_wait_for_wm, */
8537 x_set_fullscreen,
8538 };
8539
8540 void
8541 syms_of_w32fns ()
8542 {
8543 globals_of_w32fns ();
8544 /* This is zero if not using MS-Windows. */
8545 w32_in_use = 0;
8546 track_mouse_window = NULL;
8547
8548 w32_visible_system_caret_hwnd = NULL;
8549
8550 Qnone = intern ("none");
8551 staticpro (&Qnone);
8552 Qsuppress_icon = intern ("suppress-icon");
8553 staticpro (&Qsuppress_icon);
8554 Qundefined_color = intern ("undefined-color");
8555 staticpro (&Qundefined_color);
8556 Qcancel_timer = intern ("cancel-timer");
8557 staticpro (&Qcancel_timer);
8558
8559 Qhyper = intern ("hyper");
8560 staticpro (&Qhyper);
8561 Qsuper = intern ("super");
8562 staticpro (&Qsuper);
8563 Qmeta = intern ("meta");
8564 staticpro (&Qmeta);
8565 Qalt = intern ("alt");
8566 staticpro (&Qalt);
8567 Qctrl = intern ("ctrl");
8568 staticpro (&Qctrl);
8569 Qcontrol = intern ("control");
8570 staticpro (&Qcontrol);
8571 Qshift = intern ("shift");
8572 staticpro (&Qshift);
8573 /* This is the end of symbol initialization. */
8574
8575 /* Text property `display' should be nonsticky by default. */
8576 Vtext_property_default_nonsticky
8577 = Fcons (Fcons (Qdisplay, Qt), Vtext_property_default_nonsticky);
8578
8579
8580 Fput (Qundefined_color, Qerror_conditions,
8581 Fcons (Qundefined_color, Fcons (Qerror, Qnil)));
8582 Fput (Qundefined_color, Qerror_message,
8583 build_string ("Undefined color"));
8584
8585 staticpro (&w32_grabbed_keys);
8586 w32_grabbed_keys = Qnil;
8587
8588 DEFVAR_LISP ("w32-color-map", &Vw32_color_map,
8589 doc: /* An array of color name mappings for Windows. */);
8590 Vw32_color_map = Qnil;
8591
8592 DEFVAR_LISP ("w32-pass-alt-to-system", &Vw32_pass_alt_to_system,
8593 doc: /* Non-nil if alt key presses are passed on to Windows.
8594 When non-nil, for example, alt pressed and released and then space will
8595 open the System menu. When nil, Emacs silently swallows alt key events. */);
8596 Vw32_pass_alt_to_system = Qnil;
8597
8598 DEFVAR_LISP ("w32-alt-is-meta", &Vw32_alt_is_meta,
8599 doc: /* Non-nil if the alt key is to be considered the same as the meta key.
8600 When nil, Emacs will translate the alt key to the Alt modifier, and not Meta. */);
8601 Vw32_alt_is_meta = Qt;
8602
8603 DEFVAR_INT ("w32-quit-key", &w32_quit_key,
8604 doc: /* If non-zero, the virtual key code for an alternative quit key. */);
8605 w32_quit_key = 0;
8606
8607 DEFVAR_LISP ("w32-pass-lwindow-to-system",
8608 &Vw32_pass_lwindow_to_system,
8609 doc: /* Non-nil if the left \"Windows\" key is passed on to Windows.
8610 When non-nil, the Start menu is opened by tapping the key. */);
8611 Vw32_pass_lwindow_to_system = Qt;
8612
8613 DEFVAR_LISP ("w32-pass-rwindow-to-system",
8614 &Vw32_pass_rwindow_to_system,
8615 doc: /* Non-nil if the right \"Windows\" key is passed on to Windows.
8616 When non-nil, the Start menu is opened by tapping the key. */);
8617 Vw32_pass_rwindow_to_system = Qt;
8618
8619 DEFVAR_LISP ("w32-phantom-key-code",
8620 &Vw32_phantom_key_code,
8621 doc: /* Virtual key code used to generate \"phantom\" key presses.
8622 Value is a number between 0 and 255.
8623
8624 Phantom key presses are generated in order to stop the system from
8625 acting on \"Windows\" key events when `w32-pass-lwindow-to-system' or
8626 `w32-pass-rwindow-to-system' is nil. */);
8627 /* Although 255 is technically not a valid key code, it works and
8628 means that this hack won't interfere with any real key code. */
8629 XSETINT (Vw32_phantom_key_code, 255);
8630
8631 DEFVAR_LISP ("w32-enable-num-lock",
8632 &Vw32_enable_num_lock,
8633 doc: /* Non-nil if Num Lock should act normally.
8634 Set to nil to see Num Lock as the key `kp-numlock'. */);
8635 Vw32_enable_num_lock = Qt;
8636
8637 DEFVAR_LISP ("w32-enable-caps-lock",
8638 &Vw32_enable_caps_lock,
8639 doc: /* Non-nil if Caps Lock should act normally.
8640 Set to nil to see Caps Lock as the key `capslock'. */);
8641 Vw32_enable_caps_lock = Qt;
8642
8643 DEFVAR_LISP ("w32-scroll-lock-modifier",
8644 &Vw32_scroll_lock_modifier,
8645 doc: /* Modifier to use for the Scroll Lock on state.
8646 The value can be hyper, super, meta, alt, control or shift for the
8647 respective modifier, or nil to see Scroll Lock as the key `scroll'.
8648 Any other value will cause the key to be ignored. */);
8649 Vw32_scroll_lock_modifier = Qt;
8650
8651 DEFVAR_LISP ("w32-lwindow-modifier",
8652 &Vw32_lwindow_modifier,
8653 doc: /* Modifier to use for the left \"Windows\" key.
8654 The value can be hyper, super, meta, alt, control or shift for the
8655 respective modifier, or nil to appear as the key `lwindow'.
8656 Any other value will cause the key to be ignored. */);
8657 Vw32_lwindow_modifier = Qnil;
8658
8659 DEFVAR_LISP ("w32-rwindow-modifier",
8660 &Vw32_rwindow_modifier,
8661 doc: /* Modifier to use for the right \"Windows\" key.
8662 The value can be hyper, super, meta, alt, control or shift for the
8663 respective modifier, or nil to appear as the key `rwindow'.
8664 Any other value will cause the key to be ignored. */);
8665 Vw32_rwindow_modifier = Qnil;
8666
8667 DEFVAR_LISP ("w32-apps-modifier",
8668 &Vw32_apps_modifier,
8669 doc: /* Modifier to use for the \"Apps\" key.
8670 The value can be hyper, super, meta, alt, control or shift for the
8671 respective modifier, or nil to appear as the key `apps'.
8672 Any other value will cause the key to be ignored. */);
8673 Vw32_apps_modifier = Qnil;
8674
8675 DEFVAR_BOOL ("w32-enable-synthesized-fonts", &w32_enable_synthesized_fonts,
8676 doc: /* Non-nil enables selection of artificially italicized and bold fonts. */);
8677 w32_enable_synthesized_fonts = 0;
8678
8679 DEFVAR_LISP ("w32-enable-palette", &Vw32_enable_palette,
8680 doc: /* Non-nil enables Windows palette management to map colors exactly. */);
8681 Vw32_enable_palette = Qt;
8682
8683 DEFVAR_INT ("w32-mouse-button-tolerance",
8684 &w32_mouse_button_tolerance,
8685 doc: /* Analogue of double click interval for faking middle mouse events.
8686 The value is the minimum time in milliseconds that must elapse between
8687 left/right button down events before they are considered distinct events.
8688 If both mouse buttons are depressed within this interval, a middle mouse
8689 button down event is generated instead. */);
8690 w32_mouse_button_tolerance = GetDoubleClickTime () / 2;
8691
8692 DEFVAR_INT ("w32-mouse-move-interval",
8693 &w32_mouse_move_interval,
8694 doc: /* Minimum interval between mouse move events.
8695 The value is the minimum time in milliseconds that must elapse between
8696 successive mouse move (or scroll bar drag) events before they are
8697 reported as lisp events. */);
8698 w32_mouse_move_interval = 0;
8699
8700 DEFVAR_BOOL ("w32-pass-extra-mouse-buttons-to-system",
8701 &w32_pass_extra_mouse_buttons_to_system,
8702 doc: /* Non-nil if the fourth and fifth mouse buttons are passed to Windows.
8703 Recent versions of Windows support mice with up to five buttons.
8704 Since most applications don't support these extra buttons, most mouse
8705 drivers will allow you to map them to functions at the system level.
8706 If this variable is non-nil, Emacs will pass them on, allowing the
8707 system to handle them. */);
8708 w32_pass_extra_mouse_buttons_to_system = 0;
8709
8710 DEFVAR_LISP ("x-pointer-shape", &Vx_pointer_shape,
8711 doc: /* The shape of the pointer when over text.
8712 Changing the value does not affect existing frames
8713 unless you set the mouse color. */);
8714 Vx_pointer_shape = Qnil;
8715
8716 Vx_nontext_pointer_shape = Qnil;
8717
8718 Vx_mode_pointer_shape = Qnil;
8719
8720 DEFVAR_LISP ("x-hourglass-pointer-shape", &Vx_hourglass_pointer_shape,
8721 doc: /* The shape of the pointer when Emacs is busy.
8722 This variable takes effect when you create a new frame
8723 or when you set the mouse color. */);
8724 Vx_hourglass_pointer_shape = Qnil;
8725
8726 DEFVAR_BOOL ("display-hourglass", &display_hourglass_p,
8727 doc: /* Non-zero means Emacs displays an hourglass pointer on window systems. */);
8728 display_hourglass_p = 1;
8729
8730 DEFVAR_LISP ("hourglass-delay", &Vhourglass_delay,
8731 doc: /* *Seconds to wait before displaying an hourglass pointer.
8732 Value must be an integer or float. */);
8733 Vhourglass_delay = make_number (DEFAULT_HOURGLASS_DELAY);
8734
8735 DEFVAR_LISP ("x-sensitive-text-pointer-shape",
8736 &Vx_sensitive_text_pointer_shape,
8737 doc: /* The shape of the pointer when over mouse-sensitive text.
8738 This variable takes effect when you create a new frame
8739 or when you set the mouse color. */);
8740 Vx_sensitive_text_pointer_shape = Qnil;
8741
8742 DEFVAR_LISP ("x-window-horizontal-drag-cursor",
8743 &Vx_window_horizontal_drag_shape,
8744 doc: /* Pointer shape to use for indicating a window can be dragged horizontally.
8745 This variable takes effect when you create a new frame
8746 or when you set the mouse color. */);
8747 Vx_window_horizontal_drag_shape = Qnil;
8748
8749 DEFVAR_LISP ("x-cursor-fore-pixel", &Vx_cursor_fore_pixel,
8750 doc: /* A string indicating the foreground color of the cursor box. */);
8751 Vx_cursor_fore_pixel = Qnil;
8752
8753 DEFVAR_LISP ("x-max-tooltip-size", &Vx_max_tooltip_size,
8754 doc: /* Maximum size for tooltips.
8755 Value is a pair (COLUMNS . ROWS). Text larger than this is clipped. */);
8756 Vx_max_tooltip_size = Fcons (make_number (80), make_number (40));
8757
8758 DEFVAR_LISP ("x-no-window-manager", &Vx_no_window_manager,
8759 doc: /* Non-nil if no window manager is in use.
8760 Emacs doesn't try to figure this out; this is always nil
8761 unless you set it to something else. */);
8762 /* We don't have any way to find this out, so set it to nil
8763 and maybe the user would like to set it to t. */
8764 Vx_no_window_manager = Qnil;
8765
8766 DEFVAR_LISP ("x-pixel-size-width-font-regexp",
8767 &Vx_pixel_size_width_font_regexp,
8768 doc: /* Regexp matching a font name whose width is the same as `PIXEL_SIZE'.
8769
8770 Since Emacs gets width of a font matching with this regexp from
8771 PIXEL_SIZE field of the name, font finding mechanism gets faster for
8772 such a font. This is especially effective for such large fonts as
8773 Chinese, Japanese, and Korean. */);
8774 Vx_pixel_size_width_font_regexp = Qnil;
8775
8776 DEFVAR_LISP ("w32-bdf-filename-alist",
8777 &Vw32_bdf_filename_alist,
8778 doc: /* List of bdf fonts and their corresponding filenames. */);
8779 Vw32_bdf_filename_alist = Qnil;
8780
8781 DEFVAR_BOOL ("w32-strict-fontnames",
8782 &w32_strict_fontnames,
8783 doc: /* Non-nil means only use fonts that are exact matches for those requested.
8784 Default is nil, which allows old fontnames that are not XLFD compliant,
8785 and allows third-party CJK display to work by specifying false charset
8786 fields to trick Emacs into translating to Big5, SJIS etc.
8787 Setting this to t will prevent wrong fonts being selected when
8788 fontsets are automatically created. */);
8789 w32_strict_fontnames = 0;
8790
8791 DEFVAR_BOOL ("w32-strict-painting",
8792 &w32_strict_painting,
8793 doc: /* Non-nil means use strict rules for repainting frames.
8794 Set this to nil to get the old behavior for repainting; this should
8795 only be necessary if the default setting causes problems. */);
8796 w32_strict_painting = 1;
8797
8798 DEFVAR_LISP ("w32-charset-info-alist",
8799 &Vw32_charset_info_alist,
8800 doc: /* Alist linking Emacs character sets to Windows fonts and codepages.
8801 Each entry should be of the form:
8802
8803 (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE))
8804
8805 where CHARSET_NAME is a string used in font names to identify the charset,
8806 WINDOWS_CHARSET is a symbol that can be one of:
8807 w32-charset-ansi, w32-charset-default, w32-charset-symbol,
8808 w32-charset-shiftjis, w32-charset-hangeul, w32-charset-gb2312,
8809 w32-charset-chinesebig5,
8810 w32-charset-johab, w32-charset-hebrew,
8811 w32-charset-arabic, w32-charset-greek, w32-charset-turkish,
8812 w32-charset-vietnamese, w32-charset-thai, w32-charset-easteurope,
8813 w32-charset-russian, w32-charset-mac, w32-charset-baltic,
8814 w32-charset-unicode,
8815 or w32-charset-oem.
8816 CODEPAGE should be an integer specifying the codepage that should be used
8817 to display the character set, t to do no translation and output as Unicode,
8818 or nil to do no translation and output as 8 bit (or multibyte on far-east
8819 versions of Windows) characters. */);
8820 Vw32_charset_info_alist = Qnil;
8821
8822 staticpro (&Qw32_charset_ansi);
8823 Qw32_charset_ansi = intern ("w32-charset-ansi");
8824 staticpro (&Qw32_charset_symbol);
8825 Qw32_charset_default = intern ("w32-charset-default");
8826 staticpro (&Qw32_charset_default);
8827 Qw32_charset_symbol = intern ("w32-charset-symbol");
8828 staticpro (&Qw32_charset_shiftjis);
8829 Qw32_charset_shiftjis = intern ("w32-charset-shiftjis");
8830 staticpro (&Qw32_charset_hangeul);
8831 Qw32_charset_hangeul = intern ("w32-charset-hangeul");
8832 staticpro (&Qw32_charset_chinesebig5);
8833 Qw32_charset_chinesebig5 = intern ("w32-charset-chinesebig5");
8834 staticpro (&Qw32_charset_gb2312);
8835 Qw32_charset_gb2312 = intern ("w32-charset-gb2312");
8836 staticpro (&Qw32_charset_oem);
8837 Qw32_charset_oem = intern ("w32-charset-oem");
8838
8839 #ifdef JOHAB_CHARSET
8840 {
8841 static int w32_extra_charsets_defined = 1;
8842 DEFVAR_BOOL ("w32-extra-charsets-defined", &w32_extra_charsets_defined,
8843 doc: /* Internal variable. */);
8844
8845 staticpro (&Qw32_charset_johab);
8846 Qw32_charset_johab = intern ("w32-charset-johab");
8847 staticpro (&Qw32_charset_easteurope);
8848 Qw32_charset_easteurope = intern ("w32-charset-easteurope");
8849 staticpro (&Qw32_charset_turkish);
8850 Qw32_charset_turkish = intern ("w32-charset-turkish");
8851 staticpro (&Qw32_charset_baltic);
8852 Qw32_charset_baltic = intern ("w32-charset-baltic");
8853 staticpro (&Qw32_charset_russian);
8854 Qw32_charset_russian = intern ("w32-charset-russian");
8855 staticpro (&Qw32_charset_arabic);
8856 Qw32_charset_arabic = intern ("w32-charset-arabic");
8857 staticpro (&Qw32_charset_greek);
8858 Qw32_charset_greek = intern ("w32-charset-greek");
8859 staticpro (&Qw32_charset_hebrew);
8860 Qw32_charset_hebrew = intern ("w32-charset-hebrew");
8861 staticpro (&Qw32_charset_vietnamese);
8862 Qw32_charset_vietnamese = intern ("w32-charset-vietnamese");
8863 staticpro (&Qw32_charset_thai);
8864 Qw32_charset_thai = intern ("w32-charset-thai");
8865 staticpro (&Qw32_charset_mac);
8866 Qw32_charset_mac = intern ("w32-charset-mac");
8867 }
8868 #endif
8869
8870 #ifdef UNICODE_CHARSET
8871 {
8872 static int w32_unicode_charset_defined = 1;
8873 DEFVAR_BOOL ("w32-unicode-charset-defined",
8874 &w32_unicode_charset_defined,
8875 doc: /* Internal variable. */);
8876
8877 staticpro (&Qw32_charset_unicode);
8878 Qw32_charset_unicode = intern ("w32-charset-unicode");
8879 #endif
8880
8881 #if 0 /* TODO: Port to W32 */
8882 defsubr (&Sx_change_window_property);
8883 defsubr (&Sx_delete_window_property);
8884 defsubr (&Sx_window_property);
8885 #endif
8886 defsubr (&Sxw_display_color_p);
8887 defsubr (&Sx_display_grayscale_p);
8888 defsubr (&Sxw_color_defined_p);
8889 defsubr (&Sxw_color_values);
8890 defsubr (&Sx_server_max_request_size);
8891 defsubr (&Sx_server_vendor);
8892 defsubr (&Sx_server_version);
8893 defsubr (&Sx_display_pixel_width);
8894 defsubr (&Sx_display_pixel_height);
8895 defsubr (&Sx_display_mm_width);
8896 defsubr (&Sx_display_mm_height);
8897 defsubr (&Sx_display_screens);
8898 defsubr (&Sx_display_planes);
8899 defsubr (&Sx_display_color_cells);
8900 defsubr (&Sx_display_visual_class);
8901 defsubr (&Sx_display_backing_store);
8902 defsubr (&Sx_display_save_under);
8903 defsubr (&Sx_create_frame);
8904 defsubr (&Sx_open_connection);
8905 defsubr (&Sx_close_connection);
8906 defsubr (&Sx_display_list);
8907 defsubr (&Sx_synchronize);
8908
8909 /* W32 specific functions */
8910
8911 defsubr (&Sw32_focus_frame);
8912 defsubr (&Sw32_select_font);
8913 defsubr (&Sw32_define_rgb_color);
8914 defsubr (&Sw32_default_color_map);
8915 defsubr (&Sw32_load_color_file);
8916 defsubr (&Sw32_send_sys_command);
8917 defsubr (&Sw32_shell_execute);
8918 defsubr (&Sw32_register_hot_key);
8919 defsubr (&Sw32_unregister_hot_key);
8920 defsubr (&Sw32_registered_hot_keys);
8921 defsubr (&Sw32_reconstruct_hot_key);
8922 defsubr (&Sw32_toggle_lock_key);
8923 defsubr (&Sw32_find_bdf_fonts);
8924
8925 defsubr (&Sfile_system_info);
8926 defsubr (&Sdefault_printer_name);
8927
8928 /* Setting callback functions for fontset handler. */
8929 get_font_info_func = w32_get_font_info;
8930
8931 #if 0 /* This function pointer doesn't seem to be used anywhere.
8932 And the pointer assigned has the wrong type, anyway. */
8933 list_fonts_func = w32_list_fonts;
8934 #endif
8935
8936 load_font_func = w32_load_font;
8937 find_ccl_program_func = w32_find_ccl_program;
8938 query_font_func = w32_query_font;
8939 set_frame_fontset_func = x_set_font;
8940 get_font_repertory_func = x_get_font_repertory;
8941 check_window_system_func = check_w32;
8942
8943
8944 hourglass_atimer = NULL;
8945 hourglass_shown_p = 0;
8946 defsubr (&Sx_show_tip);
8947 defsubr (&Sx_hide_tip);
8948 tip_timer = Qnil;
8949 staticpro (&tip_timer);
8950 tip_frame = Qnil;
8951 staticpro (&tip_frame);
8952
8953 last_show_tip_args = Qnil;
8954 staticpro (&last_show_tip_args);
8955
8956 defsubr (&Sx_file_dialog);
8957 }
8958
8959
8960 /*
8961 globals_of_w32fns is used to initialize those global variables that
8962 must always be initialized on startup even when the global variable
8963 initialized is non zero (see the function main in emacs.c).
8964 globals_of_w32fns is called from syms_of_w32fns when the global
8965 variable initialized is 0 and directly from main when initialized
8966 is non zero.
8967 */
8968 void globals_of_w32fns ()
8969 {
8970 HMODULE user32_lib = GetModuleHandle ("user32.dll");
8971 /*
8972 TrackMouseEvent not available in all versions of Windows, so must load
8973 it dynamically. Do it once, here, instead of every time it is used.
8974 */
8975 track_mouse_event_fn = (TrackMouseEvent_Proc)
8976 GetProcAddress (user32_lib, "TrackMouseEvent");
8977 /* ditto for GetClipboardSequenceNumber. */
8978 clipboard_sequence_fn = (ClipboardSequence_Proc)
8979 GetProcAddress (user32_lib, "GetClipboardSequenceNumber");
8980
8981 DEFVAR_INT ("w32-ansi-code-page",
8982 &w32_ansi_code_page,
8983 doc: /* The ANSI code page used by the system. */);
8984 w32_ansi_code_page = GetACP ();
8985 }
8986
8987 #undef abort
8988
8989 void w32_abort (void) NO_RETURN;
8990
8991 void
8992 w32_abort()
8993 {
8994 int button;
8995 button = MessageBox (NULL,
8996 "A fatal error has occurred!\n\n"
8997 "Would you like to attach a debugger?\n\n"
8998 "Select YES to debug, NO to abort Emacs",
8999 "Emacs Abort Dialog",
9000 MB_ICONEXCLAMATION | MB_TASKMODAL
9001 | MB_SETFOREGROUND | MB_YESNO);
9002 switch (button)
9003 {
9004 case IDYES:
9005 DebugBreak ();
9006 exit (2); /* tell the compiler we will never return */
9007 case IDNO:
9008 default:
9009 abort ();
9010 break;
9011 }
9012 }
9013
9014 /* For convenience when debugging. */
9015 int
9016 w32_last_error()
9017 {
9018 return GetLastError ();
9019 }
9020
9021 /* arch-tag: 707589ab-b9be-4638-8cdd-74629cc9b446
9022 (do not change this comment) */
Unnamed repository; edit this file 'description' to name the repository.