Commit | Line | Data |
---|---|---|
e9e23e23 | 1 | /* Implementation of GUI terminal on the Microsoft W32 API. |
9ef2e2cf JR |
2 | Copyright (C) 1989, 93, 94, 95, 96, 1997, 1998, 1999, 2000 |
3 | Free Software Foundation, Inc. | |
ee78dc32 GV |
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 | |
9ef2e2cf JR |
18 | along with GNU Emacs; see the file COPYING. If not, write to |
19 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
1fb87c77 | 20 | Boston, MA 02111-1307, USA. */ |
ee78dc32 | 21 | |
ee78dc32 | 22 | #include <config.h> |
68c45bf0 | 23 | #include <signal.h> |
ee78dc32 | 24 | #include <stdio.h> |
791f420f | 25 | #include <stdlib.h> |
ee78dc32 | 26 | #include "lisp.h" |
2091aeb2 | 27 | #include "charset.h" |
ee78dc32 GV |
28 | #include "blockinput.h" |
29 | ||
e12ca9c2 | 30 | #include "w32heap.h" |
689004fa | 31 | #include "w32term.h" |
791f420f | 32 | #include "w32bdf.h" |
12857dfd | 33 | #include <shellapi.h> |
ee78dc32 GV |
34 | |
35 | #include "systty.h" | |
36 | #include "systime.h" | |
f7737f5d | 37 | #include "atimer.h" |
ee78dc32 GV |
38 | |
39 | #include <ctype.h> | |
40 | #include <errno.h> | |
41 | #include <setjmp.h> | |
42 | #include <sys/stat.h> | |
43 | ||
44 | #include "frame.h" | |
45 | #include "dispextern.h" | |
93ff4395 | 46 | #include "fontset.h" |
ee78dc32 GV |
47 | #include "termhooks.h" |
48 | #include "termopts.h" | |
49 | #include "termchar.h" | |
50 | #include "gnu.h" | |
51 | #include "disptab.h" | |
52 | #include "buffer.h" | |
53 | #include "window.h" | |
54 | #include "keyboard.h" | |
55 | #include "intervals.h" | |
791f420f | 56 | #include "composite.h" |
ef0e360f | 57 | #include "coding.h" |
ee78dc32 | 58 | |
03887dd3 KH |
59 | #undef min |
60 | #undef max | |
61 | #define min(x, y) (((x) < (y)) ? (x) : (y)) | |
62 | #define max(x, y) (((x) > (y)) ? (x) : (y)) | |
63 | ||
791f420f JR |
64 | #define abs(x) ((x) < 0 ? -(x) : (x)) |
65 | ||
66 | #define BETWEEN(X, LOWER, UPPER) ((X) >= (LOWER) && (X) < (UPPER)) | |
67 | ||
68 | \f | |
69 | /* Bitmaps for truncated lines. */ | |
70 | ||
71 | enum bitmap_type | |
72 | { | |
73 | NO_BITMAP, | |
74 | LEFT_TRUNCATION_BITMAP, | |
75 | RIGHT_TRUNCATION_BITMAP, | |
76 | OVERLAY_ARROW_BITMAP, | |
77 | CONTINUED_LINE_BITMAP, | |
78 | CONTINUATION_LINE_BITMAP, | |
79 | ZV_LINE_BITMAP | |
80 | }; | |
81 | ||
9ef2e2cf JR |
82 | enum w32_char_font_type |
83 | { | |
84 | UNKNOWN_FONT, | |
85 | ANSI_FONT, | |
86 | UNICODE_FONT, | |
87 | BDF_FONT | |
88 | }; | |
89 | ||
791f420f JR |
90 | /* Bitmaps are all unsigned short, as Windows requires bitmap data to |
91 | be Word aligned. For some reason they are horizontally reflected | |
92 | compared to how they appear on X, so changes in xterm.c should be | |
93 | reflected here. */ | |
94 | ||
95 | /* Bitmap drawn to indicate lines not displaying text if | |
96 | `indicate-empty-lines' is non-nil. */ | |
97 | ||
98 | #define zv_width 8 | |
99 | #define zv_height 8 | |
100 | static unsigned short zv_bits[] = { | |
101 | 0x00, 0x00, 0x78, 0x78, 0x78, 0x78, 0x00, 0x00}; | |
f7737f5d | 102 | static HBITMAP zv_bmp; |
791f420f JR |
103 | |
104 | /* An arrow like this: `<-'. */ | |
105 | ||
106 | #define left_width 8 | |
107 | #define left_height 8 | |
108 | static unsigned short left_bits[] = { | |
109 | 0x18, 0x30, 0x60, 0xfc, 0xfc, 0x60, 0x30, 0x18}; | |
f7737f5d | 110 | static HBITMAP left_bmp; |
791f420f JR |
111 | |
112 | /* Right truncation arrow bitmap `->'. */ | |
113 | ||
114 | #define right_width 8 | |
115 | #define right_height 8 | |
116 | static unsigned short right_bits[] = { | |
117 | 0x18, 0x0c, 0x06, 0x3f, 0x3f, 0x06, 0x0c, 0x18}; | |
f7737f5d | 118 | static HBITMAP right_bmp; |
791f420f JR |
119 | |
120 | /* Marker for continued lines. */ | |
121 | ||
122 | #define continued_width 8 | |
123 | #define continued_height 8 | |
124 | static unsigned short continued_bits[] = { | |
125 | 0x3c, 0x3e, 0x03, 0x27, 0x3f, 0x3e, 0x3c, 0x3e}; | |
f7737f5d | 126 | static HBITMAP continued_bmp; |
791f420f JR |
127 | |
128 | /* Marker for continuation lines. */ | |
129 | ||
130 | #define continuation_width 8 | |
131 | #define continuation_height 8 | |
132 | static unsigned short continuation_bits[] = { | |
133 | 0x3c, 0x7c, 0xc0, 0xe4, 0xfc, 0x7c, 0x3c, 0x7c}; | |
f7737f5d | 134 | static HBITMAP continuation_bmp; |
791f420f JR |
135 | |
136 | /* Overlay arrow bitmap. */ | |
137 | ||
138 | #if 0 | |
139 | /* A bomb. */ | |
140 | #define ov_width 8 | |
141 | #define ov_height 8 | |
142 | static unsigned short ov_bits[] = { | |
143 | 0x0c, 0x10, 0x3c, 0x7e, 0x5e, 0x5e, 0x46, 0x3c}; | |
144 | #else | |
145 | /* A triangular arrow. */ | |
146 | #define ov_width 8 | |
147 | #define ov_height 8 | |
148 | static unsigned short ov_bits[] = { | |
149 | 0xc0, 0xf0, 0xf8, 0xfc, 0xfc, 0xf8, 0xf0, 0xc0}; | |
791f420f | 150 | #endif |
f7737f5d | 151 | static HBITMAP ov_bmp; |
791f420f JR |
152 | |
153 | extern Lisp_Object Qhelp_echo; | |
154 | ||
155 | \f | |
156 | /* Non-zero means Emacs uses toolkit scroll bars. */ | |
157 | ||
158 | int x_toolkit_scroll_bars_p; | |
159 | ||
160 | /* If a string, w32_read_socket generates an event to display that string. | |
161 | (The display is done in read_char.) */ | |
162 | ||
163 | static Lisp_Object help_echo; | |
164 | ||
165 | /* Temporary variable for w32_read_socket. */ | |
166 | ||
167 | static Lisp_Object previous_help_echo; | |
168 | ||
169 | /* Non-zero means that a HELP_EVENT has been generated since Emacs | |
170 | start. */ | |
171 | ||
172 | static int any_help_event_p; | |
173 | ||
174 | /* Non-zero means draw block and hollow cursor as wide as the glyph | |
175 | under it. For example, if a block cursor is over a tab, it will be | |
176 | drawn as wide as that tab on the display. */ | |
177 | ||
178 | int x_stretch_cursor_p; | |
179 | ||
e7efd97e GV |
180 | extern unsigned int msh_mousewheel; |
181 | ||
ee78dc32 GV |
182 | extern void free_frame_menubar (); |
183 | ||
93ff4395 JR |
184 | extern void w32_menu_display_help (HMENU menu, UINT menu_item, UINT flags); |
185 | ||
9ef2e2cf JR |
186 | extern int w32_codepage_for_font (char *fontname); |
187 | ||
52cf03a1 GV |
188 | extern Lisp_Object Vwindow_system; |
189 | ||
ee78dc32 GV |
190 | #define x_any_window_to_frame x_window_to_frame |
191 | #define x_top_window_to_frame x_window_to_frame | |
192 | ||
193 | \f | |
fbd6baed GV |
194 | /* This is display since w32 does not support multiple ones. */ |
195 | struct w32_display_info one_w32_display_info; | |
ee78dc32 GV |
196 | |
197 | /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE), | |
fbd6baed | 198 | one for each element of w32_display_list and in the same order. |
ee78dc32 GV |
199 | NAME is the name of the frame. |
200 | FONT-LIST-CACHE records previous values returned by x-list-fonts. */ | |
fbd6baed | 201 | Lisp_Object w32_display_name_list; |
ee78dc32 GV |
202 | |
203 | /* Frame being updated by update_frame. This is declared in term.c. | |
204 | This is set by update_begin and looked at by all the | |
fbd6baed | 205 | w32 functions. It is zero while not inside an update. |
791f420f | 206 | In that case, the w32 functions assume that `SELECTED_FRAME ()' |
ee78dc32 GV |
207 | is the frame to apply to. */ |
208 | extern struct frame *updating_frame; | |
209 | ||
210 | /* This is a frame waiting to be autoraised, within w32_read_socket. */ | |
211 | struct frame *pending_autoraise_frame; | |
212 | ||
ee78dc32 | 213 | /* Nominal cursor position -- where to draw output. |
791f420f JR |
214 | HPOS and VPOS are window relative glyph matrix coordinates. |
215 | X and Y are window relative pixel coordinates. */ | |
ee78dc32 | 216 | |
791f420f | 217 | struct cursor_pos output_cursor; |
ee78dc32 | 218 | |
484fa2c1 | 219 | /* Flag to enable Unicode output in case users wish to use programs |
cabb23bc GV |
220 | like Twinbridge on '95 rather than installed system level support |
221 | for Far East languages. */ | |
484fa2c1 | 222 | int w32_enable_unicode_output; |
cabb23bc | 223 | |
e9e23e23 GV |
224 | DWORD dwWindowsThreadId = 0; |
225 | HANDLE hWindowsThread = NULL; | |
ee78dc32 GV |
226 | DWORD dwMainThreadId = 0; |
227 | HANDLE hMainThread = NULL; | |
228 | ||
689004fa GV |
229 | #ifndef SIF_ALL |
230 | /* These definitions are new with Windows 95. */ | |
231 | #define SIF_RANGE 0x0001 | |
232 | #define SIF_PAGE 0x0002 | |
233 | #define SIF_POS 0x0004 | |
234 | #define SIF_DISABLENOSCROLL 0x0008 | |
235 | #define SIF_TRACKPOS 0x0010 | |
236 | #define SIF_ALL (SIF_RANGE | SIF_PAGE | SIF_POS | SIF_TRACKPOS) | |
237 | ||
238 | typedef struct tagSCROLLINFO | |
239 | { | |
240 | UINT cbSize; | |
241 | UINT fMask; | |
242 | int nMin; | |
243 | int nMax; | |
244 | UINT nPage; | |
245 | int nPos; | |
246 | int nTrackPos; | |
247 | } SCROLLINFO, FAR *LPSCROLLINFO; | |
248 | typedef SCROLLINFO CONST FAR *LPCSCROLLINFO; | |
249 | #endif /* SIF_ALL */ | |
250 | ||
251 | /* Dynamic linking to new proportional scroll bar functions. */ | |
252 | int (PASCAL *pfnSetScrollInfo) (HWND hwnd, int fnBar, LPSCROLLINFO lpsi, BOOL fRedraw); | |
253 | BOOL (PASCAL *pfnGetScrollInfo) (HWND hwnd, int fnBar, LPSCROLLINFO lpsi); | |
254 | ||
255 | int vertical_scroll_bar_min_handle; | |
256 | int vertical_scroll_bar_top_border; | |
257 | int vertical_scroll_bar_bottom_border; | |
258 | ||
259 | int last_scroll_bar_drag_pos; | |
260 | ||
ee78dc32 GV |
261 | /* Mouse movement. */ |
262 | ||
263 | /* Where the mouse was last time we reported a mouse event. */ | |
9ef2e2cf | 264 | |
791f420f | 265 | FRAME_PTR last_mouse_frame; |
ee78dc32 | 266 | static RECT last_mouse_glyph; |
791f420f | 267 | static Lisp_Object last_mouse_press_frame; |
ee78dc32 | 268 | |
fbd6baed | 269 | Lisp_Object Vw32_num_mouse_buttons; |
52cf03a1 | 270 | |
fbd6baed | 271 | Lisp_Object Vw32_swap_mouse_buttons; |
52cf03a1 | 272 | |
689004fa GV |
273 | /* Control whether x_raise_frame also sets input focus. */ |
274 | Lisp_Object Vw32_grab_focus_on_raise; | |
275 | ||
276 | /* Control whether Caps Lock affects non-ascii characters. */ | |
277 | Lisp_Object Vw32_capslock_is_shiftlock; | |
278 | ||
ef0e360f GV |
279 | /* Control whether right-alt and left-ctrl should be recognized as AltGr. */ |
280 | Lisp_Object Vw32_recognize_altgr; | |
281 | ||
ee78dc32 GV |
282 | /* The scroll bar in which the last motion event occurred. |
283 | ||
284 | If the last motion event occurred in a scroll bar, we set this | |
fbd6baed | 285 | so w32_mouse_position can know whether to report a scroll bar motion or |
ee78dc32 GV |
286 | an ordinary motion. |
287 | ||
288 | If the last motion event didn't occur in a scroll bar, we set this | |
fbd6baed | 289 | to Qnil, to tell w32_mouse_position to return an ordinary motion event. */ |
9ef2e2cf JR |
290 | static Lisp_Object last_mouse_scroll_bar; |
291 | static int last_mouse_scroll_bar_pos; | |
ee78dc32 | 292 | |
fbd6baed | 293 | /* This is a hack. We would really prefer that w32_mouse_position would |
ee78dc32 | 294 | return the time associated with the position it returns, but there |
9ef2e2cf | 295 | doesn't seem to be any way to wrest the time-stamp from the server |
ee78dc32 GV |
296 | along with the position query. So, we just keep track of the time |
297 | of the last movement we received, and return that in hopes that | |
298 | it's somewhat accurate. */ | |
ee78dc32 | 299 | |
9ef2e2cf JR |
300 | static Time last_mouse_movement_time; |
301 | ||
302 | /* Incremented by w32_read_socket whenever it really tries to read | |
303 | events. */ | |
a1b9438c | 304 | |
ee78dc32 GV |
305 | #ifdef __STDC__ |
306 | static int volatile input_signal_count; | |
307 | #else | |
308 | static int input_signal_count; | |
309 | #endif | |
310 | ||
311 | extern Lisp_Object Vcommand_line_args, Vsystem_name; | |
312 | ||
313 | extern Lisp_Object Qface, Qmouse_face; | |
314 | ||
315 | extern int errno; | |
316 | ||
317 | /* A mask of extra modifier bits to put into every keyboard char. */ | |
9ef2e2cf | 318 | |
ee78dc32 GV |
319 | extern int extra_keyboard_modifiers; |
320 | ||
791f420f JR |
321 | /* Enumeration for overriding/changing the face to use for drawing |
322 | glyphs in x_draw_glyphs. */ | |
323 | ||
324 | enum draw_glyphs_face | |
325 | { | |
326 | DRAW_NORMAL_TEXT, | |
327 | DRAW_INVERSE_VIDEO, | |
328 | DRAW_CURSOR, | |
329 | DRAW_MOUSE_FACE, | |
330 | DRAW_IMAGE_RAISED, | |
331 | DRAW_IMAGE_SUNKEN | |
332 | }; | |
333 | ||
334 | static void x_update_window_end P_ ((struct window *, int)); | |
335 | static void frame_to_window_pixel_xy P_ ((struct window *, int *, int *)); | |
336 | void w32_delete_display P_ ((struct w32_display_info *)); | |
337 | static int fast_find_position P_ ((struct window *, int, int *, int *, | |
338 | int *, int *)); | |
339 | static void set_output_cursor P_ ((struct cursor_pos *)); | |
340 | static struct glyph *x_y_to_hpos_vpos P_ ((struct window *, int, int, | |
341 | int *, int *, int *)); | |
342 | static void note_mode_line_highlight P_ ((struct window *, int, int)); | |
343 | static void x_check_font P_ ((struct frame *, XFontStruct *)); | |
344 | static void note_mouse_highlight P_ ((struct frame *, int, int)); | |
345 | static void note_tool_bar_highlight P_ ((struct frame *f, int, int)); | |
346 | static void w32_handle_tool_bar_click P_ ((struct frame *, | |
347 | struct input_event *)); | |
348 | static void show_mouse_face P_ ((struct w32_display_info *, | |
349 | enum draw_glyphs_face)); | |
350 | void clear_mouse_face P_ ((struct w32_display_info *)); | |
351 | ||
352 | void x_lower_frame P_ ((struct frame *)); | |
353 | void x_scroll_bar_clear P_ ((struct frame *)); | |
354 | void x_wm_set_size_hint P_ ((struct frame *, long, int)); | |
355 | void x_raise_frame P_ ((struct frame *)); | |
356 | void x_set_window_size P_ ((struct frame *, int, int, int)); | |
357 | void x_wm_set_window_state P_ ((struct frame *, int)); | |
358 | void x_wm_set_icon_pixmap P_ ((struct frame *, int)); | |
359 | void w32_initialize P_ ((void)); | |
360 | static void x_font_min_bounds P_ ((XFontStruct *, int *, int *)); | |
361 | int x_compute_min_glyph_bounds P_ ((struct frame *)); | |
362 | static void x_draw_phys_cursor_glyph P_ ((struct window *, | |
363 | struct glyph_row *, | |
364 | enum draw_glyphs_face)); | |
365 | static void x_update_end P_ ((struct frame *)); | |
366 | static void w32_frame_up_to_date P_ ((struct frame *)); | |
367 | static void w32_reassert_line_highlight P_ ((int, int)); | |
368 | static void x_change_line_highlight P_ ((int, int, int, int)); | |
369 | static void w32_set_terminal_modes P_ ((void)); | |
370 | static void w32_reset_terminal_modes P_ ((void)); | |
371 | static void w32_cursor_to P_ ((int, int, int, int)); | |
372 | static void x_write_glyphs P_ ((struct glyph *, int)); | |
373 | static void x_clear_end_of_line P_ ((int)); | |
374 | static void x_clear_frame P_ ((void)); | |
375 | static void x_clear_cursor P_ ((struct window *)); | |
376 | static void frame_highlight P_ ((struct frame *)); | |
377 | static void frame_unhighlight P_ ((struct frame *)); | |
378 | static void w32_new_focus_frame P_ ((struct w32_display_info *, | |
379 | struct frame *)); | |
380 | static void w32_frame_rehighlight P_ ((struct frame *)); | |
381 | static void x_frame_rehighlight P_ ((struct w32_display_info *)); | |
382 | static void x_draw_hollow_cursor P_ ((struct window *, struct glyph_row *)); | |
9ef2e2cf | 383 | static void x_draw_bar_cursor P_ ((struct window *, struct glyph_row *, int)); |
791f420f JR |
384 | static int w32_intersect_rectangles P_ ((RECT *, RECT *, RECT *)); |
385 | static void expose_frame P_ ((struct frame *, int, int, int, int)); | |
386 | static void expose_window_tree P_ ((struct window *, RECT *)); | |
387 | static void expose_window P_ ((struct window *, RECT *)); | |
388 | static void expose_area P_ ((struct window *, struct glyph_row *, | |
389 | RECT *, enum glyph_row_area)); | |
390 | static void expose_line P_ ((struct window *, struct glyph_row *, | |
391 | RECT *)); | |
392 | void x_update_cursor P_ ((struct frame *, int)); | |
393 | static void x_update_cursor_in_window_tree P_ ((struct window *, int)); | |
394 | static void x_update_window_cursor P_ ((struct window *, int)); | |
395 | static void x_erase_phys_cursor P_ ((struct window *)); | |
396 | void x_display_cursor P_ ((struct window *w, int, int, int, int, int)); | |
397 | void x_display_and_set_cursor P_ ((struct window *, int, int, int, int, int)); | |
398 | static void w32_draw_bitmap P_ ((struct window *, HDC hdc, struct glyph_row *, | |
399 | enum bitmap_type)); | |
400 | static int x_phys_cursor_in_rect_p P_ ((struct window *, RECT *)); | |
401 | static void x_draw_row_bitmaps P_ ((struct window *, struct glyph_row *)); | |
402 | static void note_overwritten_text_cursor P_ ((struct window *, int, int)); | |
403 | static void w32_clip_to_row P_ ((struct window *, struct glyph_row *, | |
404 | HDC, int)); | |
405 | ||
ee78dc32 GV |
406 | static Lisp_Object Qvendor_specific_keysyms; |
407 | ||
ee78dc32 | 408 | \f |
9ef2e2cf JR |
409 | /*********************************************************************** |
410 | Debugging | |
411 | ***********************************************************************/ | |
412 | ||
ee78dc32 | 413 | #if 0 |
9ef2e2cf JR |
414 | |
415 | /* This is a function useful for recording debugging information about | |
416 | the sequence of occurrences in this file. */ | |
ee78dc32 GV |
417 | |
418 | struct record | |
419 | { | |
420 | char *locus; | |
421 | int type; | |
422 | }; | |
423 | ||
424 | struct record event_record[100]; | |
425 | ||
426 | int event_record_index; | |
427 | ||
428 | record_event (locus, type) | |
429 | char *locus; | |
430 | int type; | |
431 | { | |
432 | if (event_record_index == sizeof (event_record) / sizeof (struct record)) | |
433 | event_record_index = 0; | |
434 | ||
435 | event_record[event_record_index].locus = locus; | |
436 | event_record[event_record_index].type = type; | |
437 | event_record_index++; | |
438 | } | |
439 | ||
440 | #endif /* 0 */ | |
441 | \f | |
791f420f JR |
442 | |
443 | void XChangeGC (void * ignore, XGCValues* gc, unsigned long mask, | |
444 | XGCValues *xgcv) | |
445 | { | |
446 | if (mask & GCForeground) | |
447 | gc->foreground = xgcv->foreground; | |
448 | if (mask & GCBackground) | |
449 | gc->background = xgcv->background; | |
450 | if (mask & GCFont) | |
451 | gc->font = xgcv->font; | |
452 | } | |
453 | ||
454 | XGCValues *XCreateGC (void * ignore, Window window, unsigned long mask, | |
455 | XGCValues *xgcv) | |
456 | { | |
457 | XGCValues *gc = (XGCValues *) xmalloc (sizeof (XGCValues)); | |
458 | bzero (gc, sizeof (XGCValues)); | |
459 | ||
460 | XChangeGC (ignore, gc, mask, xgcv); | |
461 | ||
462 | return gc; | |
463 | } | |
464 | ||
465 | void XGetGCValues (void* ignore, XGCValues *gc, | |
466 | unsigned long mask, XGCValues *xgcv) | |
467 | { | |
468 | XChangeGC (ignore, xgcv, mask, gc); | |
469 | } | |
470 | ||
471 | void XTextExtents16 (XFontStruct *font, wchar_t *text, int nchars, | |
472 | int *direction,int *font_ascent, | |
473 | int *font_descent, XCharStruct *cs) | |
474 | { | |
475 | /* NTEMACS_TODO: Use GetTextMetrics to do this and inline it below. */ | |
476 | } | |
477 | ||
478 | static void | |
479 | w32_set_clip_rectangle (HDC hdc, RECT *rect) | |
480 | { | |
481 | if (rect) | |
482 | { | |
483 | HRGN clip_region = CreateRectRgnIndirect (rect); | |
484 | SelectClipRgn (hdc, clip_region); | |
485 | DeleteObject (clip_region); | |
486 | } | |
487 | else | |
488 | SelectClipRgn (hdc, NULL); | |
489 | } | |
490 | ||
791f420f JR |
491 | |
492 | /* Draw a hollow rectangle at the specified position. */ | |
493 | void | |
494 | w32_draw_rectangle (HDC hdc, XGCValues *gc, int x, int y, | |
495 | int width, int height) | |
496 | { | |
497 | HBRUSH hb, oldhb; | |
498 | HPEN hp, oldhp; | |
499 | ||
500 | hb = CreateSolidBrush (gc->background); | |
501 | hp = CreatePen (PS_SOLID, 0, gc->foreground); | |
502 | oldhb = SelectObject (hdc, hb); | |
503 | oldhp = SelectObject (hdc, hp); | |
504 | ||
505 | Rectangle (hdc, x, y, x + width, y + height); | |
506 | ||
507 | SelectObject (hdc, oldhb); | |
508 | SelectObject (hdc, oldhp); | |
509 | DeleteObject (hb); | |
510 | DeleteObject (hp); | |
511 | } | |
512 | ||
513 | /* Draw a filled rectangle at the specified position. */ | |
ee78dc32 | 514 | void |
00fe468b | 515 | w32_fill_rect (f, hdc, pix, lprect) |
ee78dc32 | 516 | FRAME_PTR f; |
00fe468b | 517 | HDC hdc; |
ee78dc32 GV |
518 | COLORREF pix; |
519 | RECT * lprect; | |
520 | { | |
ee78dc32 | 521 | HBRUSH hb; |
ee78dc32 | 522 | RECT rect; |
791f420f | 523 | |
ee78dc32 | 524 | hb = CreateSolidBrush (pix); |
ee78dc32 | 525 | FillRect (hdc, lprect, hb); |
ee78dc32 | 526 | DeleteObject (hb); |
ee78dc32 GV |
527 | } |
528 | ||
529 | void | |
fbd6baed | 530 | w32_clear_window (f) |
ee78dc32 GV |
531 | FRAME_PTR f; |
532 | { | |
533 | RECT rect; | |
00fe468b | 534 | HDC hdc = get_frame_dc (f); |
52cf03a1 | 535 | |
fbd6baed | 536 | GetClientRect (FRAME_W32_WINDOW (f), &rect); |
00fe468b JR |
537 | w32_clear_rect (f, hdc, &rect); |
538 | release_frame_dc (f, hdc); | |
ee78dc32 GV |
539 | } |
540 | ||
541 | \f | |
791f420f JR |
542 | /*********************************************************************** |
543 | Starting and ending an update | |
544 | ***********************************************************************/ | |
545 | ||
546 | /* Start an update of frame F. This function is installed as a hook | |
547 | for update_begin, i.e. it is called when update_begin is called. | |
548 | This function is called prior to calls to x_update_window_begin for | |
549 | each window being updated. Currently, there is nothing to do here | |
550 | because all interesting stuff is done on a window basis. */ | |
ee78dc32 | 551 | |
96214669 | 552 | static void |
791f420f | 553 | x_update_begin (f) |
ee78dc32 GV |
554 | struct frame *f; |
555 | { | |
791f420f JR |
556 | /* Nothing to do. We have to do something though, otherwise the |
557 | function gets optimized away and the hook is no longer valid. */ | |
558 | struct frame *cf = f; | |
559 | } | |
ee78dc32 | 560 | |
791f420f JR |
561 | |
562 | /* Start update of window W. Set the global variable updated_window | |
563 | to the window being updated and set output_cursor to the cursor | |
564 | position of W. */ | |
565 | ||
566 | static void | |
567 | x_update_window_begin (w) | |
568 | struct window *w; | |
569 | { | |
570 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
571 | struct w32_display_info *display_info = FRAME_W32_DISPLAY_INFO (f); | |
572 | ||
573 | updated_window = w; | |
574 | set_output_cursor (&w->cursor); | |
ee78dc32 GV |
575 | |
576 | BLOCK_INPUT; | |
577 | ||
52cf03a1 GV |
578 | /* Regenerate display palette before drawing if list of requested |
579 | colors has changed. */ | |
791f420f | 580 | if (display_info->regen_palette) |
52cf03a1 | 581 | { |
fbd6baed | 582 | w32_regenerate_palette (f); |
791f420f | 583 | display_info->regen_palette = FALSE; |
52cf03a1 GV |
584 | } |
585 | ||
791f420f | 586 | if (f == display_info->mouse_face_mouse_frame) |
ee78dc32 GV |
587 | { |
588 | /* Don't do highlighting for mouse motion during the update. */ | |
791f420f | 589 | display_info->mouse_face_defer = 1; |
ee78dc32 | 590 | |
9ef2e2cf JR |
591 | /* If F needs to be redrawn, simply forget about any prior mouse |
592 | highlighting. */ | |
ee78dc32 | 593 | if (FRAME_GARBAGED_P (f)) |
791f420f JR |
594 | display_info->mouse_face_window = Qnil; |
595 | ||
596 | /* Can we tell that this update does not affect the window | |
597 | where the mouse highlight is? If so, no need to turn off. | |
598 | Likewise, don't do anything if the frame is garbaged; | |
599 | in that case, the frame's current matrix that we would use | |
600 | is all wrong, and we will redisplay that line anyway. */ | |
601 | if (!NILP (display_info->mouse_face_window) | |
602 | && w == XWINDOW (display_info->mouse_face_window)) | |
ee78dc32 | 603 | { |
791f420f | 604 | int i; |
ee78dc32 | 605 | |
791f420f JR |
606 | for (i = 0; i < w->desired_matrix->nrows; ++i) |
607 | if (MATRIX_ROW_ENABLED_P (w->desired_matrix, i)) | |
ee78dc32 GV |
608 | break; |
609 | ||
791f420f JR |
610 | if (i < w->desired_matrix->nrows) |
611 | clear_mouse_face (display_info); | |
ee78dc32 GV |
612 | } |
613 | } | |
614 | ||
615 | UNBLOCK_INPUT; | |
616 | } | |
617 | ||
791f420f JR |
618 | |
619 | /* Draw a vertical window border to the right of window W if W doesn't | |
620 | have vertical scroll bars. */ | |
621 | ||
96214669 | 622 | static void |
791f420f JR |
623 | x_draw_vertical_border (w) |
624 | struct window *w; | |
ee78dc32 | 625 | { |
791f420f JR |
626 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
627 | ||
628 | /* Redraw borders between horizontally adjacent windows. Don't | |
629 | do it for frames with vertical scroll bars because either the | |
630 | right scroll bar of a window, or the left scroll bar of its | |
631 | neighbor will suffice as a border. */ | |
632 | if (!WINDOW_RIGHTMOST_P (w) | |
633 | && !FRAME_HAS_VERTICAL_SCROLL_BARS (f)) | |
634 | { | |
635 | RECT r; | |
00fe468b | 636 | HDC hdc; |
ee78dc32 | 637 | |
791f420f JR |
638 | window_box_edges (w, -1, &r.left, &r.top, &r.right, &r.bottom); |
639 | r.left = r.right + FRAME_X_RIGHT_FLAGS_AREA_WIDTH (f); | |
640 | r.right = r.left + 1; | |
641 | r.bottom -= 1; | |
ee78dc32 | 642 | |
00fe468b JR |
643 | hdc = get_frame_dc (f); |
644 | w32_fill_rect (f, hdc, FRAME_FOREGROUND_PIXEL (f), r); | |
645 | release_frame_dc (f, hdc); | |
791f420f JR |
646 | } |
647 | } | |
ee78dc32 | 648 | |
791f420f JR |
649 | |
650 | /* End update of window W (which is equal to updated_window). Draw | |
651 | vertical borders between horizontally adjacent windows, and display | |
652 | W's cursor if CURSOR_ON_P is non-zero. W may be a menu bar | |
653 | pseudo-window in case we don't have X toolkit support. Such | |
654 | windows don't have a cursor, so don't display it here. */ | |
655 | ||
656 | static void | |
657 | x_update_window_end (w, cursor_on_p) | |
658 | struct window *w; | |
659 | int cursor_on_p; | |
660 | { | |
661 | if (!w->pseudo_window_p) | |
662 | { | |
663 | BLOCK_INPUT; | |
664 | if (cursor_on_p) | |
665 | x_display_and_set_cursor (w, 1, output_cursor.hpos, | |
666 | output_cursor.vpos, | |
667 | output_cursor.x, output_cursor.y); | |
668 | x_draw_vertical_border (w); | |
669 | UNBLOCK_INPUT; | |
670 | } | |
671 | ||
672 | updated_window = NULL; | |
673 | } | |
674 | ||
9ef2e2cf JR |
675 | |
676 | /* End update of frame F. This function is installed as a hook in | |
677 | update_end. */ | |
678 | ||
791f420f JR |
679 | static void |
680 | x_update_end (f) | |
681 | struct frame *f; | |
682 | { | |
683 | /* Mouse highlight may be displayed again. */ | |
684 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_defer = 0; | |
ee78dc32 GV |
685 | } |
686 | ||
9ef2e2cf | 687 | |
791f420f JR |
688 | /* This function is called from various places in xdisp.c whenever a |
689 | complete update has been performed. The global variable | |
690 | updated_window is not available here. */ | |
ee78dc32 | 691 | |
96214669 | 692 | static void |
fbd6baed | 693 | w32_frame_up_to_date (f) |
791f420f | 694 | struct frame *f; |
ee78dc32 | 695 | { |
791f420f | 696 | if (FRAME_W32_P (f)) |
ee78dc32 | 697 | { |
791f420f JR |
698 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); |
699 | if (dpyinfo->mouse_face_deferred_gc | |
700 | || f == dpyinfo->mouse_face_mouse_frame) | |
701 | { | |
702 | BLOCK_INPUT; | |
703 | if (dpyinfo->mouse_face_mouse_frame) | |
704 | note_mouse_highlight (dpyinfo->mouse_face_mouse_frame, | |
705 | dpyinfo->mouse_face_mouse_x, | |
706 | dpyinfo->mouse_face_mouse_y); | |
707 | dpyinfo->mouse_face_deferred_gc = 0; | |
708 | UNBLOCK_INPUT; | |
709 | } | |
ee78dc32 GV |
710 | } |
711 | } | |
791f420f JR |
712 | |
713 | ||
714 | /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay | |
715 | arrow bitmaps, or clear the areas where they would be displayed | |
716 | before DESIRED_ROW is made current. The window being updated is | |
717 | found in updated_window. This function It is called from | |
718 | update_window_line only if it is known that there are differences | |
719 | between bitmaps to be drawn between current row and DESIRED_ROW. */ | |
720 | ||
721 | static void | |
722 | x_after_update_window_line (desired_row) | |
723 | struct glyph_row *desired_row; | |
724 | { | |
725 | struct window *w = updated_window; | |
726 | ||
727 | xassert (w); | |
728 | ||
729 | if (!desired_row->mode_line_p && !w->pseudo_window_p) | |
730 | { | |
731 | BLOCK_INPUT; | |
732 | x_draw_row_bitmaps (w, desired_row); | |
733 | ||
734 | /* When a window has disappeared, make sure that no rest of | |
735 | full-width rows stays visible in the internal border. */ | |
736 | if (windows_or_buffers_changed) | |
737 | { | |
738 | struct frame *f = XFRAME (w->frame); | |
739 | int width = FRAME_INTERNAL_BORDER_WIDTH (f); | |
740 | int height = desired_row->visible_height; | |
741 | int x = (window_box_right (w, -1) | |
742 | + FRAME_X_RIGHT_FLAGS_AREA_WIDTH (f)); | |
743 | int y = WINDOW_TO_FRAME_PIXEL_Y (w, max (0, desired_row->y)); | |
00fe468b | 744 | HDC hdc = get_frame_dc (f); |
791f420f | 745 | |
00fe468b JR |
746 | w32_clear_area (f, hdc, x, y, width, height); |
747 | release_frame_dc (f, hdc); | |
791f420f JR |
748 | } |
749 | ||
750 | UNBLOCK_INPUT; | |
751 | } | |
752 | } | |
753 | ||
754 | ||
755 | /* Draw the bitmap WHICH in one of the areas to the left or right of | |
756 | window W. ROW is the glyph row for which to display the bitmap; it | |
757 | determines the vertical position at which the bitmap has to be | |
758 | drawn. */ | |
759 | ||
760 | static void | |
00fe468b | 761 | w32_draw_bitmap (w, hdc, row, which) |
791f420f | 762 | struct window *w; |
00fe468b | 763 | HDC hdc; |
791f420f JR |
764 | struct glyph_row *row; |
765 | enum bitmap_type which; | |
766 | { | |
767 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
768 | Window window = FRAME_W32_WINDOW (f); | |
791f420f JR |
769 | HDC compat_hdc; |
770 | int x, y, wd, h, dy; | |
791f420f JR |
771 | HBITMAP pixmap; |
772 | HBRUSH fg_brush, orig_brush; | |
773 | HANDLE horig_obj; | |
774 | struct face *face; | |
775 | ||
776 | /* Must clip because of partially visible lines. */ | |
777 | w32_clip_to_row (w, row, hdc, 1); | |
778 | ||
779 | switch (which) | |
780 | { | |
781 | case LEFT_TRUNCATION_BITMAP: | |
782 | wd = left_width; | |
783 | h = left_height; | |
f7737f5d | 784 | pixmap = left_bmp; |
791f420f JR |
785 | x = (WINDOW_TO_FRAME_PIXEL_X (w, 0) |
786 | - wd | |
787 | - (FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) - wd) / 2); | |
788 | break; | |
789 | ||
790 | case OVERLAY_ARROW_BITMAP: | |
791 | wd = ov_width; | |
792 | h = ov_height; | |
f7737f5d | 793 | pixmap = ov_bmp; |
791f420f JR |
794 | x = (WINDOW_TO_FRAME_PIXEL_X (w, 0) |
795 | - wd | |
796 | - (FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) - wd) / 2); | |
797 | break; | |
798 | ||
799 | case RIGHT_TRUNCATION_BITMAP: | |
800 | wd = right_width; | |
801 | h = right_height; | |
f7737f5d | 802 | pixmap = right_bmp; |
791f420f JR |
803 | x = window_box_right (w, -1); |
804 | x += (FRAME_X_RIGHT_FLAGS_AREA_WIDTH (f) - wd) / 2; | |
805 | break; | |
806 | ||
807 | case CONTINUED_LINE_BITMAP: | |
808 | wd = continued_width; | |
809 | h = continued_height; | |
f7737f5d | 810 | pixmap = continued_bmp; |
791f420f JR |
811 | x = window_box_right (w, -1); |
812 | x += (FRAME_X_RIGHT_FLAGS_AREA_WIDTH (f) - wd) / 2; | |
813 | break; | |
814 | ||
815 | case CONTINUATION_LINE_BITMAP: | |
816 | wd = continuation_width; | |
817 | h = continuation_height; | |
f7737f5d | 818 | pixmap = continuation_bmp; |
791f420f JR |
819 | x = (WINDOW_TO_FRAME_PIXEL_X (w, 0) |
820 | - wd | |
821 | - (FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) - wd) / 2); | |
822 | break; | |
823 | ||
824 | case ZV_LINE_BITMAP: | |
825 | wd = zv_width; | |
826 | h = zv_height; | |
f7737f5d | 827 | pixmap = zv_bmp; |
791f420f JR |
828 | x = (WINDOW_TO_FRAME_PIXEL_X (w, 0) |
829 | - wd | |
830 | - (FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) - wd) / 2); | |
831 | break; | |
832 | ||
833 | default: | |
834 | abort (); | |
835 | } | |
836 | ||
837 | /* Convert to frame coordinates. Set dy to the offset in the row to | |
838 | start drawing the bitmap. */ | |
839 | y = WINDOW_TO_FRAME_PIXEL_Y (w, row->y); | |
840 | dy = (row->height - h) / 2; | |
841 | ||
f7737f5d | 842 | /* Draw the bitmap. */ |
791f420f | 843 | face = FACE_FROM_ID (f, BITMAP_AREA_FACE_ID); |
791f420f JR |
844 | |
845 | compat_hdc = CreateCompatibleDC (hdc); | |
846 | SaveDC (hdc); | |
847 | fg_brush = CreateSolidBrush (FRAME_FOREGROUND_PIXEL (f)); | |
848 | orig_brush = SelectObject (hdc, fg_brush); | |
849 | horig_obj = SelectObject (compat_hdc, pixmap); | |
850 | SetTextColor (hdc, FRAME_BACKGROUND_PIXEL (f)); | |
851 | SetBkColor (hdc, FRAME_FOREGROUND_PIXEL (f)); | |
852 | #if 0 /* From w32bdf.c (which is from Meadow). */ | |
853 | BitBlt (hdc, x, y + dy, wd, h, compat_hdc, 0, 0, SRCCOPY); | |
854 | #else | |
855 | BitBlt (hdc, x, y + dy, wd, h, compat_hdc, 0, 0, 0xB8074A); | |
856 | #endif | |
857 | SelectObject (compat_hdc, horig_obj); | |
858 | SelectObject (hdc, orig_brush); | |
791f420f JR |
859 | DeleteObject (fg_brush); |
860 | DeleteDC (compat_hdc); | |
861 | RestoreDC (hdc, -1); | |
791f420f JR |
862 | } |
863 | ||
864 | ||
865 | /* Draw flags bitmaps for glyph row ROW on window W. Call this | |
866 | function with input blocked. */ | |
867 | ||
868 | static void | |
869 | x_draw_row_bitmaps (w, row) | |
870 | struct window *w; | |
871 | struct glyph_row *row; | |
872 | { | |
873 | struct frame *f = XFRAME (w->frame); | |
874 | enum bitmap_type bitmap; | |
875 | struct face *face; | |
876 | int header_line_height = -1; | |
877 | HDC hdc = get_frame_dc (f); | |
878 | ||
879 | xassert (interrupt_input_blocked); | |
880 | ||
881 | /* If row is completely invisible, because of vscrolling, we | |
882 | don't have to draw anything. */ | |
883 | if (row->visible_height <= 0) | |
884 | return; | |
885 | ||
886 | face = FACE_FROM_ID (f, BITMAP_AREA_FACE_ID); | |
887 | PREPARE_FACE_FOR_DISPLAY (f, face); | |
888 | ||
889 | /* Decide which bitmap to draw at the left side. */ | |
890 | if (row->overlay_arrow_p) | |
891 | bitmap = OVERLAY_ARROW_BITMAP; | |
892 | else if (row->truncated_on_left_p) | |
893 | bitmap = LEFT_TRUNCATION_BITMAP; | |
894 | else if (MATRIX_ROW_CONTINUATION_LINE_P (row)) | |
895 | bitmap = CONTINUATION_LINE_BITMAP; | |
896 | else if (row->indicate_empty_line_p) | |
897 | bitmap = ZV_LINE_BITMAP; | |
898 | else | |
899 | bitmap = NO_BITMAP; | |
900 | ||
901 | /* Clear flags area if no bitmap to draw or if bitmap doesn't fill | |
902 | the flags area. */ | |
903 | if (bitmap == NO_BITMAP | |
904 | || FRAME_FLAGS_BITMAP_WIDTH (f) < FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) | |
905 | || row->height > FRAME_FLAGS_BITMAP_HEIGHT (f)) | |
906 | { | |
907 | /* If W has a vertical border to its left, don't draw over it. */ | |
908 | int border = ((XFASTINT (w->left) > 0 | |
909 | && !FRAME_HAS_VERTICAL_SCROLL_BARS (f)) | |
910 | ? 1 : 0); | |
911 | int left = window_box_left (w, -1); | |
912 | ||
913 | if (header_line_height < 0) | |
914 | header_line_height = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w); | |
915 | ||
916 | w32_fill_area (f, hdc, face->background, | |
917 | left - FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) + border, | |
918 | WINDOW_TO_FRAME_PIXEL_Y (w, max (header_line_height, | |
919 | row->y)), | |
920 | FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) - border, | |
921 | row->visible_height); | |
922 | } | |
923 | ||
924 | /* Draw the left bitmap. */ | |
925 | if (bitmap != NO_BITMAP) | |
926 | w32_draw_bitmap (w, hdc, row, bitmap); | |
927 | ||
928 | /* Decide which bitmap to draw at the right side. */ | |
929 | if (row->truncated_on_right_p) | |
930 | bitmap = RIGHT_TRUNCATION_BITMAP; | |
931 | else if (row->continued_p) | |
932 | bitmap = CONTINUED_LINE_BITMAP; | |
933 | else | |
934 | bitmap = NO_BITMAP; | |
935 | ||
936 | /* Clear flags area if no bitmap to draw of if bitmap doesn't fill | |
937 | the flags area. */ | |
938 | if (bitmap == NO_BITMAP | |
939 | || FRAME_FLAGS_BITMAP_WIDTH (f) < FRAME_X_RIGHT_FLAGS_AREA_WIDTH (f) | |
940 | || row->height > FRAME_FLAGS_BITMAP_HEIGHT (f)) | |
941 | { | |
942 | int right = window_box_right (w, -1); | |
943 | ||
944 | if (header_line_height < 0) | |
945 | header_line_height = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w); | |
946 | ||
947 | w32_fill_area (f, hdc, face->background, | |
948 | right, | |
949 | WINDOW_TO_FRAME_PIXEL_Y (w, max (header_line_height, | |
950 | row->y)), | |
951 | FRAME_X_RIGHT_FLAGS_AREA_WIDTH (f), | |
952 | row->visible_height); | |
953 | } | |
954 | ||
955 | /* Draw the right bitmap. */ | |
956 | if (bitmap != NO_BITMAP) | |
957 | w32_draw_bitmap (w, hdc, row, bitmap); | |
958 | ||
959 | release_frame_dc (f, hdc); | |
960 | } | |
961 | ||
ee78dc32 | 962 | \f |
791f420f JR |
963 | /*********************************************************************** |
964 | Line Highlighting | |
965 | ***********************************************************************/ | |
966 | ||
967 | /* External interface to control of standout mode. Not used for W32 | |
968 | frames. Aborts when called. */ | |
ee78dc32 | 969 | |
96214669 | 970 | static void |
fbd6baed | 971 | w32_reassert_line_highlight (new, vpos) |
ee78dc32 GV |
972 | int new, vpos; |
973 | { | |
791f420f | 974 | abort (); |
ee78dc32 GV |
975 | } |
976 | ||
791f420f JR |
977 | /* Call this when about to modify line at position VPOS and change |
978 | whether it is highlighted. Not used for W32 frames. Aborts when | |
979 | called. */ | |
ee78dc32 | 980 | |
96214669 | 981 | static void |
791f420f JR |
982 | x_change_line_highlight (new_highlight, vpos, y, first_unused_hpos) |
983 | int new_highlight, vpos, y, first_unused_hpos; | |
ee78dc32 | 984 | { |
791f420f | 985 | abort (); |
ee78dc32 GV |
986 | } |
987 | ||
9ef2e2cf JR |
988 | /* This is called when starting Emacs and when restarting after |
989 | suspend. When starting Emacs, no window is mapped. And nothing | |
990 | must be done to Emacs's own window if it is suspended (though that | |
991 | rarely happens). */ | |
ee78dc32 | 992 | |
96214669 GV |
993 | static void |
994 | w32_set_terminal_modes (void) | |
ee78dc32 GV |
995 | { |
996 | } | |
997 | ||
9ef2e2cf JR |
998 | /* This is called when exiting or suspending Emacs. Exiting will make |
999 | the W32 windows go away, and suspending requires no action. */ | |
ee78dc32 | 1000 | |
96214669 GV |
1001 | static void |
1002 | w32_reset_terminal_modes (void) | |
ee78dc32 GV |
1003 | { |
1004 | } | |
791f420f | 1005 | |
9ef2e2cf | 1006 | |
ee78dc32 | 1007 | \f |
791f420f JR |
1008 | /*********************************************************************** |
1009 | Output Cursor | |
1010 | ***********************************************************************/ | |
1011 | ||
1012 | /* Set the global variable output_cursor to CURSOR. All cursor | |
1013 | positions are relative to updated_window. */ | |
9ef2e2cf | 1014 | |
791f420f JR |
1015 | static void |
1016 | set_output_cursor (cursor) | |
1017 | struct cursor_pos *cursor; | |
1018 | { | |
1019 | output_cursor.hpos = cursor->hpos; | |
1020 | output_cursor.vpos = cursor->vpos; | |
1021 | output_cursor.x = cursor->x; | |
1022 | output_cursor.y = cursor->y; | |
1023 | } | |
1024 | ||
1025 | ||
1026 | /* Set a nominal cursor position. | |
1027 | ||
1028 | HPOS and VPOS are column/row positions in a window glyph matrix. X | |
1029 | and Y are window text area relative pixel positions. | |
1030 | ||
1031 | If this is done during an update, updated_window will contain the | |
1032 | window that is being updated and the position is the future output | |
1033 | cursor position for that window. If updated_window is null, use | |
1034 | selected_window and display the cursor at the given position. */ | |
ee78dc32 | 1035 | |
96214669 | 1036 | static void |
791f420f JR |
1037 | w32_cursor_to (vpos, hpos, y, x) |
1038 | int vpos, hpos, y, x; | |
ee78dc32 | 1039 | { |
791f420f | 1040 | struct window *w; |
ee78dc32 | 1041 | |
791f420f JR |
1042 | /* If updated_window is not set, work on selected_window. */ |
1043 | if (updated_window) | |
1044 | w = updated_window; | |
1045 | else | |
1046 | w = XWINDOW (selected_window); | |
1047 | ||
1048 | /* Set the output cursor. */ | |
1049 | output_cursor.hpos = hpos; | |
1050 | output_cursor.vpos = vpos; | |
1051 | output_cursor.x = x; | |
1052 | output_cursor.y = y; | |
ee78dc32 | 1053 | |
791f420f JR |
1054 | /* If not called as part of an update, really display the cursor. |
1055 | This will also set the cursor position of W. */ | |
1056 | if (updated_window == NULL) | |
ee78dc32 GV |
1057 | { |
1058 | BLOCK_INPUT; | |
791f420f | 1059 | x_display_cursor (w, 1, hpos, vpos, x, y); |
ee78dc32 GV |
1060 | UNBLOCK_INPUT; |
1061 | } | |
1062 | } | |
791f420f | 1063 | |
9ef2e2cf | 1064 | |
ee78dc32 | 1065 | \f |
791f420f JR |
1066 | /*********************************************************************** |
1067 | Display Iterator | |
1068 | ***********************************************************************/ | |
1069 | ||
1070 | /* Function prototypes of this page. */ | |
1071 | ||
1072 | static struct face *x_get_glyph_face_and_encoding P_ ((struct frame *, | |
1073 | struct glyph *, | |
93ff4395 JR |
1074 | wchar_t *, |
1075 | int *)); | |
791f420f JR |
1076 | static struct face *x_get_char_face_and_encoding P_ ((struct frame *, int, |
1077 | int, wchar_t *, int)); | |
1078 | static XCharStruct *w32_per_char_metric P_ ((HDC hdc, XFontStruct *, | |
9ef2e2cf JR |
1079 | wchar_t *, |
1080 | enum w32_char_font_type)); | |
1081 | static enum w32_char_font_type | |
1082 | w32_encode_char P_ ((int, wchar_t *, struct font_info *, int *)); | |
791f420f JR |
1083 | static void x_append_glyph P_ ((struct it *)); |
1084 | static void x_append_composite_glyph P_ ((struct it *)); | |
1085 | static void x_append_stretch_glyph P_ ((struct it *it, Lisp_Object, | |
1086 | int, int, double)); | |
1087 | static void x_produce_glyphs P_ ((struct it *)); | |
1088 | static void x_produce_image_glyph P_ ((struct it *it)); | |
a1b9438c | 1089 | |
a1b9438c | 1090 | |
791f420f JR |
1091 | /* Dealing with bits of wchar_t as if they were an XChar2B. */ |
1092 | #define BUILD_WCHAR_T(byte1, byte2) \ | |
1093 | ((wchar_t)((((byte1) & 0x00ff) << 8) | ((byte2) & 0x00ff))) | |
a1b9438c | 1094 | |
a1b9438c | 1095 | |
791f420f JR |
1096 | #define BYTE1(ch) \ |
1097 | (((ch) & 0xff00) >> 8) | |
a1b9438c | 1098 | |
791f420f JR |
1099 | #define BYTE2(ch) \ |
1100 | ((ch) & 0x00ff) | |
cabb23bc | 1101 | |
791f420f | 1102 | |
93ff4395 JR |
1103 | /* NTEMACS_TODO: Add support for bdf fonts back in. */ |
1104 | ||
791f420f JR |
1105 | /* Get metrics of character CHAR2B in FONT. Value is always non-null. |
1106 | If CHAR2B is not contained in FONT, the font's default character | |
9ef2e2cf | 1107 | metric is returned. */ |
791f420f | 1108 | |
9ef2e2cf JR |
1109 | static XCharStruct * |
1110 | w32_per_char_metric (hdc, font, char2b, font_type) | |
791f420f JR |
1111 | HDC hdc; |
1112 | XFontStruct *font; | |
1113 | wchar_t *char2b; | |
9ef2e2cf | 1114 | enum w32_char_font_type font_type; |
cabb23bc | 1115 | { |
791f420f JR |
1116 | /* The result metric information. */ |
1117 | XCharStruct *pcm; | |
1118 | ABC char_widths; | |
00fe468b | 1119 | SIZE sz; |
791f420f | 1120 | BOOL retval; |
cabb23bc | 1121 | |
791f420f | 1122 | xassert (font && char2b); |
cabb23bc | 1123 | |
9ef2e2cf JR |
1124 | if (font_type == UNKNOWN_FONT) |
1125 | { | |
1126 | if (font->bdf) | |
1127 | font_type = BDF_FONT; | |
1128 | else if (!w32_enable_unicode_output) | |
1129 | font_type = ANSI_FONT; | |
1130 | else | |
1131 | font_type = UNICODE_FONT; /* NTEMACS_TODO: Need encoding? */ | |
1132 | } | |
1133 | ||
791f420f | 1134 | pcm = (XCharStruct *) xmalloc (sizeof (XCharStruct)); |
cabb23bc | 1135 | |
791f420f JR |
1136 | if (font->hfont) |
1137 | SelectObject (hdc, font->hfont); | |
1138 | ||
9ef2e2cf | 1139 | if (font_type == UNICODE_FONT) |
791f420f | 1140 | retval = GetCharABCWidthsW (hdc, *char2b, *char2b, &char_widths); |
9ef2e2cf | 1141 | else if (font_type == ANSI_FONT) |
791f420f JR |
1142 | retval = GetCharABCWidthsA (hdc, *char2b, *char2b, &char_widths); |
1143 | ||
1144 | if (retval) | |
1145 | { | |
1146 | pcm->width = char_widths.abcA + char_widths.abcB + char_widths.abcC; | |
1147 | pcm->lbearing = char_widths.abcA; | |
1148 | pcm->rbearing = pcm->width - char_widths.abcC; | |
1149 | } | |
1150 | else | |
1151 | { | |
00fe468b JR |
1152 | /* Windows 9x does not implement GetCharABCWidthsW, so if that |
1153 | failed, try GetTextExtentPoint32W, which is implemented and | |
1154 | at least gives us some of the info we are after (total | |
1155 | character width). */ | |
9ef2e2cf | 1156 | if (font_type == UNICODE_FONT) |
00fe468b | 1157 | retval = GetTextExtentPoint32W (hdc, char2b, 1, &sz); |
791f420f JR |
1158 | |
1159 | if (retval) | |
1160 | { | |
00fe468b JR |
1161 | pcm->width = sz.cx; |
1162 | pcm->rbearing = sz.cx; | |
791f420f JR |
1163 | pcm->lbearing = 0; |
1164 | } | |
1165 | else | |
1166 | { | |
9ef2e2cf JR |
1167 | xfree (pcm); |
1168 | return NULL; | |
791f420f JR |
1169 | } |
1170 | } | |
1171 | ||
1172 | pcm->ascent = FONT_BASE (font); | |
1173 | pcm->descent = FONT_DESCENT (font); | |
1174 | ||
93ff4395 JR |
1175 | if (pcm->width == 0 && (pcm->rbearing - pcm->lbearing) == 0) |
1176 | { | |
1177 | xfree (pcm); | |
1178 | pcm = NULL; | |
1179 | } | |
1180 | ||
791f420f JR |
1181 | return pcm; |
1182 | } | |
1183 | ||
1184 | ||
9ef2e2cf JR |
1185 | /* Determine if a font is double byte. */ |
1186 | int w32_font_is_double_byte (XFontStruct *font) | |
1187 | { | |
1188 | return font->double_byte_p; | |
1189 | } | |
1190 | ||
1191 | ||
791f420f JR |
1192 | /* Encode CHAR2B using encoding information from FONT_INFO. CHAR2B is |
1193 | the two-byte form of C. Encoding is returned in *CHAR2B. */ | |
1194 | ||
9ef2e2cf JR |
1195 | static INLINE enum w32_char_font_type |
1196 | w32_encode_char (c, char2b, font_info, two_byte_p) | |
791f420f JR |
1197 | int c; |
1198 | wchar_t *char2b; | |
1199 | struct font_info *font_info; | |
9ef2e2cf | 1200 | int * two_byte_p; |
791f420f JR |
1201 | { |
1202 | int charset = CHAR_CHARSET (c); | |
1203 | int codepage; | |
9ef2e2cf JR |
1204 | int unicode_p = 0; |
1205 | ||
791f420f JR |
1206 | XFontStruct *font = font_info->font; |
1207 | ||
9ef2e2cf JR |
1208 | xassert(two_byte_p); |
1209 | ||
1210 | *two_byte_p = w32_font_is_double_byte (font); | |
1211 | ||
791f420f JR |
1212 | /* FONT_INFO may define a scheme by which to encode byte1 and byte2. |
1213 | This may be either a program in a special encoder language or a | |
1214 | fixed encoding. */ | |
1215 | if (font_info->font_encoder) | |
1216 | { | |
1217 | /* It's a program. */ | |
1218 | struct ccl_program *ccl = font_info->font_encoder; | |
1219 | ||
1220 | if (CHARSET_DIMENSION (charset) == 1) | |
1221 | { | |
1222 | ccl->reg[0] = charset; | |
1223 | ccl->reg[1] = BYTE2 (*char2b); | |
1224 | } | |
1225 | else | |
1226 | { | |
1227 | ccl->reg[0] = charset; | |
1228 | ccl->reg[1] = BYTE1 (*char2b); | |
1229 | ccl->reg[2] = BYTE2 (*char2b); | |
1230 | } | |
1231 | ||
1232 | ccl_driver (ccl, NULL, NULL, 0, 0, NULL); | |
1233 | ||
1234 | /* We assume that MSBs are appropriately set/reset by CCL | |
1235 | program. */ | |
9ef2e2cf | 1236 | if (!*two_byte_p) /* 1-byte font */ |
791f420f | 1237 | *char2b = BUILD_WCHAR_T (0, ccl->reg[1]); |
791f420f JR |
1238 | else |
1239 | *char2b = BUILD_WCHAR_T (ccl->reg[1], ccl->reg[2]); | |
791f420f JR |
1240 | } |
1241 | else if (font_info->encoding[charset]) | |
1242 | { | |
1243 | /* Fixed encoding scheme. See fontset.h for the meaning of the | |
1244 | encoding numbers. */ | |
1245 | int enc = font_info->encoding[charset]; | |
1246 | ||
1247 | if ((enc == 1 || enc == 2) | |
1248 | && CHARSET_DIMENSION (charset) == 2) | |
1249 | *char2b = BUILD_WCHAR_T (BYTE1 (*char2b) | 0x80, BYTE2 (*char2b)); | |
1250 | ||
1251 | if (enc == 1 || enc == 3 | |
1252 | || (enc == 4 && CHARSET_DIMENSION (charset) == 1)) | |
1253 | *char2b = BUILD_WCHAR_T (BYTE1 (*char2b), BYTE2 (*char2b) | 0x80); | |
1254 | else if (enc == 4) | |
1255 | { | |
1256 | int sjis1, sjis2; | |
1257 | ||
1258 | ENCODE_SJIS (BYTE1 (*char2b), BYTE2 (*char2b), | |
1259 | sjis1, sjis2); | |
1260 | *char2b = BUILD_WCHAR_T (sjis1, sjis2); | |
1261 | } | |
1262 | } | |
1263 | codepage = w32_codepage_for_font (font_info->name); | |
1264 | ||
1265 | /* If charset is not ASCII or Latin-1, may need to move it into | |
1266 | Unicode space. */ | |
1267 | if ( font && !font->bdf && w32_use_unicode_for_codepage (codepage) | |
1268 | && charset != CHARSET_ASCII && charset != charset_latin_iso8859_1) | |
1269 | { | |
1270 | char temp[3]; | |
1271 | temp[0] = BYTE1 (*char2b); | |
1272 | temp[1] = BYTE2 (*char2b); | |
1273 | temp[2] = '\0'; | |
1274 | if (temp[0]) | |
1275 | MultiByteToWideChar (codepage, 0, temp, 2, char2b, 1); | |
1276 | else | |
1277 | MultiByteToWideChar (codepage, 0, temp+1, 1, char2b, 1); | |
9ef2e2cf JR |
1278 | unicode_p = 1; |
1279 | *two_byte_p = 1; | |
1280 | } | |
1281 | if (!font) | |
1282 | return UNKNOWN_FONT; | |
1283 | else if (font->bdf) | |
1284 | return BDF_FONT; | |
1285 | else if (unicode_p) | |
1286 | return UNICODE_FONT; | |
1287 | else | |
1288 | return ANSI_FONT; | |
791f420f JR |
1289 | } |
1290 | ||
1291 | ||
1292 | /* Get face and two-byte form of character C in face FACE_ID on frame | |
1293 | F. The encoding of C is returned in *CHAR2B. MULTIBYTE_P non-zero | |
1294 | means we want to display multibyte text. Value is a pointer to a | |
1295 | realized face that is ready for display. */ | |
1296 | ||
1297 | static INLINE struct face * | |
1298 | x_get_char_face_and_encoding (f, c, face_id, char2b, multibyte_p) | |
1299 | struct frame *f; | |
1300 | int c, face_id; | |
1301 | wchar_t *char2b; | |
1302 | int multibyte_p; | |
1303 | { | |
1304 | struct face *face = FACE_FROM_ID (f, face_id); | |
1305 | ||
1306 | if (!multibyte_p) | |
1307 | { | |
1308 | /* Unibyte case. We don't have to encode, but we have to make | |
1309 | sure to use a face suitable for unibyte. */ | |
1310 | *char2b = BUILD_WCHAR_T (0, c); | |
93ff4395 JR |
1311 | face_id = FACE_FOR_CHAR (f, face, c); |
1312 | face = FACE_FROM_ID (f, face_id); | |
791f420f JR |
1313 | } |
1314 | else if (c < 128 && face_id < BASIC_FACE_ID_SENTINEL) | |
1315 | { | |
1316 | /* Case of ASCII in a face known to fit ASCII. */ | |
1317 | *char2b = BUILD_WCHAR_T (0, c); | |
1318 | } | |
1319 | else | |
1320 | { | |
1321 | int c1, c2, charset; | |
1322 | ||
1323 | /* Split characters into bytes. If c2 is -1 afterwards, C is | |
1324 | really a one-byte character so that byte1 is zero. */ | |
1325 | SPLIT_CHAR (c, charset, c1, c2); | |
1326 | if (c2 > 0) | |
1327 | *char2b = BUILD_WCHAR_T (c1, c2); | |
1328 | else | |
1329 | *char2b = BUILD_WCHAR_T (0, c1); | |
791f420f JR |
1330 | |
1331 | /* Maybe encode the character in *CHAR2B. */ | |
93ff4395 | 1332 | if (face->font != NULL) |
791f420f JR |
1333 | { |
1334 | struct font_info *font_info | |
1335 | = FONT_INFO_FROM_ID (f, face->font_info_id); | |
1336 | if (font_info) | |
9ef2e2cf | 1337 | w32_encode_char (c, char2b, font_info, &multibyte_p); |
791f420f JR |
1338 | } |
1339 | } | |
1340 | ||
1341 | /* Make sure X resources of the face are allocated. */ | |
1342 | xassert (face != NULL); | |
1343 | PREPARE_FACE_FOR_DISPLAY (f, face); | |
1344 | ||
1345 | return face; | |
1346 | } | |
1347 | ||
1348 | ||
1349 | /* Get face and two-byte form of character glyph GLYPH on frame F. | |
1350 | The encoding of GLYPH->u.ch is returned in *CHAR2B. Value is | |
1351 | a pointer to a realized face that is ready for display. */ | |
1352 | ||
1353 | static INLINE struct face * | |
93ff4395 | 1354 | x_get_glyph_face_and_encoding (f, glyph, char2b, two_byte_p) |
791f420f JR |
1355 | struct frame *f; |
1356 | struct glyph *glyph; | |
1357 | wchar_t *char2b; | |
93ff4395 | 1358 | int *two_byte_p; |
791f420f JR |
1359 | { |
1360 | struct face *face; | |
9ef2e2cf | 1361 | int dummy = 0; |
791f420f JR |
1362 | |
1363 | xassert (glyph->type == CHAR_GLYPH); | |
1364 | face = FACE_FROM_ID (f, glyph->face_id); | |
1365 | ||
93ff4395 JR |
1366 | if (two_byte_p) |
1367 | *two_byte_p = 0; | |
9ef2e2cf JR |
1368 | else |
1369 | two_byte_p = &dummy; | |
93ff4395 | 1370 | |
791f420f JR |
1371 | if (!glyph->multibyte_p) |
1372 | { | |
1373 | /* Unibyte case. We don't have to encode, but we have to make | |
1374 | sure to use a face suitable for unibyte. */ | |
1375 | *char2b = BUILD_WCHAR_T (0, glyph->u.ch); | |
1376 | } | |
1377 | else if (glyph->u.ch < 128 | |
1378 | && glyph->face_id < BASIC_FACE_ID_SENTINEL) | |
1379 | { | |
1380 | /* Case of ASCII in a face known to fit ASCII. */ | |
1381 | *char2b = BUILD_WCHAR_T (0, glyph->u.ch); | |
1382 | } | |
1383 | else | |
1384 | { | |
1385 | int c1, c2, charset; | |
1386 | ||
1387 | /* Split characters into bytes. If c2 is -1 afterwards, C is | |
1388 | really a one-byte character so that byte1 is zero. */ | |
1389 | SPLIT_CHAR (glyph->u.ch, charset, c1, c2); | |
1390 | if (c2 > 0) | |
1391 | *char2b = BUILD_WCHAR_T (c1, c2); | |
1392 | else | |
1393 | *char2b = BUILD_WCHAR_T (0, c1); | |
1394 | ||
1395 | /* Maybe encode the character in *CHAR2B. */ | |
1396 | if (charset != CHARSET_ASCII) | |
1397 | { | |
1398 | struct font_info *font_info | |
1399 | = FONT_INFO_FROM_ID (f, face->font_info_id); | |
1400 | if (font_info) | |
1401 | { | |
9ef2e2cf JR |
1402 | glyph->w32_font_type |
1403 | = w32_encode_char (glyph->u.ch, char2b, font_info, two_byte_p); | |
791f420f JR |
1404 | } |
1405 | } | |
1406 | } | |
1407 | ||
1408 | /* Make sure X resources of the face are allocated. */ | |
1409 | xassert (face != NULL); | |
1410 | PREPARE_FACE_FOR_DISPLAY (f, face); | |
1411 | return face; | |
1412 | } | |
1413 | ||
1414 | ||
1415 | /* Store one glyph for IT->char_to_display in IT->glyph_row. | |
1416 | Called from x_produce_glyphs when IT->glyph_row is non-null. */ | |
1417 | ||
1418 | static INLINE void | |
1419 | x_append_glyph (it) | |
1420 | struct it *it; | |
1421 | { | |
1422 | struct glyph *glyph; | |
1423 | enum glyph_row_area area = it->area; | |
1424 | ||
1425 | xassert (it->glyph_row); | |
1426 | xassert (it->char_to_display != '\n' && it->char_to_display != '\t'); | |
1427 | ||
1428 | glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area]; | |
1429 | if (glyph < it->glyph_row->glyphs[area + 1]) | |
1430 | { | |
1431 | /* Play it safe. If sub-structures of the glyph are not all the | |
1432 | same size, it otherwise be that some bits stay set. This | |
1433 | would prevent a comparison with GLYPH_EQUAL_P. */ | |
1434 | glyph->u.val = 0; | |
1435 | ||
1436 | glyph->type = CHAR_GLYPH; | |
1437 | glyph->pixel_width = it->pixel_width; | |
1438 | glyph->u.ch = it->char_to_display; | |
1439 | glyph->face_id = it->face_id; | |
1440 | glyph->charpos = CHARPOS (it->position); | |
1441 | glyph->object = it->object; | |
1442 | glyph->left_box_line_p = it->start_of_box_run_p; | |
1443 | glyph->right_box_line_p = it->end_of_box_run_p; | |
1444 | glyph->voffset = it->voffset; | |
1445 | glyph->multibyte_p = it->multibyte_p; | |
1446 | glyph->overlaps_vertically_p = (it->phys_ascent > it->ascent | |
1447 | || it->phys_descent > it->descent); | |
93ff4395 | 1448 | glyph->glyph_not_available_p = it->glyph_not_available_p; |
791f420f JR |
1449 | ++it->glyph_row->used[area]; |
1450 | } | |
1451 | } | |
1452 | ||
1453 | /* Store one glyph for the composition IT->cmp_id in IT->glyph_row. | |
1454 | Called from x_produce_glyphs when IT->glyph_row is non-null. */ | |
1455 | ||
1456 | static INLINE void | |
1457 | x_append_composite_glyph (it) | |
1458 | struct it *it; | |
1459 | { | |
1460 | struct glyph *glyph; | |
1461 | enum glyph_row_area area = it->area; | |
1462 | ||
1463 | xassert (it->glyph_row); | |
1464 | ||
1465 | glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area]; | |
1466 | if (glyph < it->glyph_row->glyphs[area + 1]) | |
1467 | { | |
1468 | /* Play it safe. If sub-structures of the glyph are not all the | |
1469 | same size, it otherwise be that some bits stay set. This | |
1470 | would prevent a comparison with GLYPH_EQUAL_P. */ | |
1471 | glyph->u.val = 0; | |
1472 | ||
1473 | glyph->type = COMPOSITE_GLYPH; | |
1474 | glyph->pixel_width = it->pixel_width; | |
1475 | glyph->u.cmp_id = it->cmp_id; | |
1476 | glyph->face_id = it->face_id; | |
1477 | glyph->charpos = CHARPOS (it->position); | |
1478 | glyph->object = it->object; | |
1479 | glyph->left_box_line_p = it->start_of_box_run_p; | |
1480 | glyph->right_box_line_p = it->end_of_box_run_p; | |
1481 | glyph->voffset = it->voffset; | |
1482 | glyph->multibyte_p = it->multibyte_p; | |
1483 | glyph->overlaps_vertically_p = (it->phys_ascent > it->ascent | |
1484 | || it->phys_descent > it->descent); | |
1485 | ++it->glyph_row->used[area]; | |
1486 | } | |
1487 | } | |
1488 | ||
1489 | ||
1490 | /* Change IT->ascent and IT->height according to the setting of | |
1491 | IT->voffset. */ | |
1492 | ||
1493 | static INLINE void | |
1494 | take_vertical_position_into_account (it) | |
1495 | struct it *it; | |
1496 | { | |
1497 | if (it->voffset) | |
1498 | { | |
1499 | if (it->voffset < 0) | |
1500 | /* Increase the ascent so that we can display the text higher | |
1501 | in the line. */ | |
1502 | it->ascent += abs (it->voffset); | |
1503 | else | |
1504 | /* Increase the descent so that we can display the text lower | |
1505 | in the line. */ | |
1506 | it->descent += it->voffset; | |
1507 | } | |
1508 | } | |
1509 | ||
1510 | ||
1511 | /* Produce glyphs/get display metrics for the image IT is loaded with. | |
1512 | See the description of struct display_iterator in dispextern.h for | |
1513 | an overview of struct display_iterator. */ | |
1514 | ||
1515 | static void | |
1516 | x_produce_image_glyph (it) | |
1517 | struct it *it; | |
1518 | { | |
1519 | struct image *img; | |
1520 | struct face *face; | |
1521 | ||
1522 | xassert (it->what == IT_IMAGE); | |
1523 | ||
1524 | face = FACE_FROM_ID (it->f, it->face_id); | |
1525 | img = IMAGE_FROM_ID (it->f, it->image_id); | |
1526 | xassert (img); | |
1527 | ||
1528 | /* Make sure X resources of the face and image are loaded. */ | |
1529 | PREPARE_FACE_FOR_DISPLAY (it->f, face); | |
1530 | prepare_image_for_display (it->f, img); | |
1531 | ||
9ef2e2cf | 1532 | it->ascent = it->phys_ascent = image_ascent (img, face); |
791f420f JR |
1533 | it->descent = it->phys_descent = img->height + 2 * img->margin - it->ascent; |
1534 | it->pixel_width = img->width + 2 * img->margin; | |
1535 | ||
1536 | it->nglyphs = 1; | |
1537 | ||
1538 | if (face->box != FACE_NO_BOX) | |
1539 | { | |
1540 | it->ascent += face->box_line_width; | |
1541 | it->descent += face->box_line_width; | |
1542 | ||
1543 | if (it->start_of_box_run_p) | |
1544 | it->pixel_width += face->box_line_width; | |
1545 | if (it->end_of_box_run_p) | |
1546 | it->pixel_width += face->box_line_width; | |
1547 | } | |
1548 | ||
1549 | take_vertical_position_into_account (it); | |
1550 | ||
1551 | if (it->glyph_row) | |
1552 | { | |
1553 | struct glyph *glyph; | |
1554 | enum glyph_row_area area = it->area; | |
1555 | ||
1556 | glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area]; | |
1557 | if (glyph < it->glyph_row->glyphs[area + 1]) | |
1558 | { | |
1559 | glyph->type = IMAGE_GLYPH; | |
1560 | glyph->u.img_id = img->id; | |
1561 | glyph->face_id = it->face_id; | |
1562 | glyph->pixel_width = it->pixel_width; | |
1563 | glyph->charpos = CHARPOS (it->position); | |
1564 | glyph->object = it->object; | |
1565 | glyph->left_box_line_p = it->start_of_box_run_p; | |
1566 | glyph->right_box_line_p = it->end_of_box_run_p; | |
1567 | glyph->voffset = it->voffset; | |
1568 | glyph->multibyte_p = it->multibyte_p; | |
1569 | ++it->glyph_row->used[area]; | |
1570 | } | |
1571 | } | |
1572 | } | |
1573 | ||
1574 | ||
1575 | /* Append a stretch glyph to IT->glyph_row. OBJECT is the source | |
1576 | of the glyph, WIDTH and HEIGHT are the width and height of the | |
1577 | stretch. ASCENT is the percentage/100 of HEIGHT to use for the | |
1578 | ascent of the glyph (0 <= ASCENT <= 1). */ | |
1579 | ||
1580 | static void | |
1581 | x_append_stretch_glyph (it, object, width, height, ascent) | |
1582 | struct it *it; | |
1583 | Lisp_Object object; | |
1584 | int width, height; | |
1585 | double ascent; | |
1586 | { | |
1587 | struct glyph *glyph; | |
1588 | enum glyph_row_area area = it->area; | |
1589 | ||
1590 | xassert (ascent >= 0 && ascent <= 1); | |
1591 | ||
1592 | glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area]; | |
1593 | if (glyph < it->glyph_row->glyphs[area + 1]) | |
1594 | { | |
1595 | glyph->type = STRETCH_GLYPH; | |
1596 | glyph->u.stretch.ascent = height * ascent; | |
1597 | glyph->u.stretch.height = height; | |
1598 | glyph->face_id = it->face_id; | |
1599 | glyph->pixel_width = width; | |
1600 | glyph->charpos = CHARPOS (it->position); | |
1601 | glyph->object = object; | |
1602 | glyph->left_box_line_p = it->start_of_box_run_p; | |
1603 | glyph->right_box_line_p = it->end_of_box_run_p; | |
1604 | glyph->voffset = it->voffset; | |
1605 | glyph->multibyte_p = it->multibyte_p; | |
1606 | ++it->glyph_row->used[area]; | |
1607 | } | |
1608 | } | |
1609 | ||
1610 | ||
1611 | /* Produce a stretch glyph for iterator IT. IT->object is the value | |
1612 | of the glyph property displayed. The value must be a list | |
1613 | `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs | |
1614 | being recognized: | |
1615 | ||
1616 | 1. `:width WIDTH' specifies that the space should be WIDTH * | |
1617 | canonical char width wide. WIDTH may be an integer or floating | |
1618 | point number. | |
1619 | ||
1620 | 2. `:relative-width FACTOR' specifies that the width of the stretch | |
1621 | should be computed from the width of the first character having the | |
1622 | `glyph' property, and should be FACTOR times that width. | |
1623 | ||
1624 | 3. `:align-to HPOS' specifies that the space should be wide enough | |
1625 | to reach HPOS, a value in canonical character units. | |
1626 | ||
1627 | Exactly one of the above pairs must be present. | |
1628 | ||
1629 | 4. `:height HEIGHT' specifies that the height of the stretch produced | |
1630 | should be HEIGHT, measured in canonical character units. | |
1631 | ||
1632 | 5. `:relative-height FACTOR' specifies that the height of the the | |
1633 | stretch should be FACTOR times the height of the characters having | |
1634 | the glyph property. | |
1635 | ||
1636 | Either none or exactly one of 4 or 5 must be present. | |
1637 | ||
1638 | 6. `:ascent ASCENT' specifies that ASCENT percent of the height | |
1639 | of the stretch should be used for the ascent of the stretch. | |
1640 | ASCENT must be in the range 0 <= ASCENT <= 100. */ | |
1641 | ||
1642 | #define NUMVAL(X) \ | |
1643 | ((INTEGERP (X) || FLOATP (X)) \ | |
1644 | ? XFLOATINT (X) \ | |
1645 | : - 1) | |
1646 | ||
1647 | ||
1648 | static void | |
1649 | x_produce_stretch_glyph (it) | |
1650 | struct it *it; | |
1651 | { | |
1652 | /* (space :width WIDTH :height HEIGHT. */ | |
1653 | extern Lisp_Object QCwidth, QCheight, QCascent, Qspace; | |
1654 | extern Lisp_Object QCrelative_width, QCrelative_height; | |
1655 | extern Lisp_Object QCalign_to; | |
1656 | Lisp_Object prop, plist; | |
1657 | double width = 0, height = 0, ascent = 0; | |
1658 | struct face *face = FACE_FROM_ID (it->f, it->face_id); | |
1659 | XFontStruct *font = face->font ? face->font : FRAME_FONT (it->f); | |
1660 | ||
1661 | PREPARE_FACE_FOR_DISPLAY (it->f, face); | |
1662 | ||
1663 | /* List should start with `space'. */ | |
1664 | xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace)); | |
1665 | plist = XCDR (it->object); | |
1666 | ||
1667 | /* Compute the width of the stretch. */ | |
1668 | if (prop = Fplist_get (plist, QCwidth), | |
1669 | NUMVAL (prop) > 0) | |
1670 | /* Absolute width `:width WIDTH' specified and valid. */ | |
1671 | width = NUMVAL (prop) * CANON_X_UNIT (it->f); | |
1672 | else if (prop = Fplist_get (plist, QCrelative_width), | |
1673 | NUMVAL (prop) > 0) | |
1674 | { | |
1675 | /* Relative width `:relative-width FACTOR' specified and valid. | |
1676 | Compute the width of the characters having the `glyph' | |
1677 | property. */ | |
1678 | struct it it2; | |
1679 | unsigned char *p = BYTE_POS_ADDR (IT_BYTEPOS (*it)); | |
1680 | ||
1681 | it2 = *it; | |
1682 | if (it->multibyte_p) | |
1683 | { | |
1684 | int maxlen = ((IT_BYTEPOS (*it) >= GPT ? ZV : GPT) | |
1685 | - IT_BYTEPOS (*it)); | |
1686 | it2.c = STRING_CHAR_AND_LENGTH (p, maxlen, it2.len); | |
1687 | } | |
1688 | else | |
1689 | it2.c = *p, it2.len = 1; | |
1690 | ||
1691 | it2.glyph_row = NULL; | |
1692 | it2.what = IT_CHARACTER; | |
1693 | x_produce_glyphs (&it2); | |
1694 | width = NUMVAL (prop) * it2.pixel_width; | |
1695 | } | |
1696 | else if (prop = Fplist_get (plist, QCalign_to), | |
1697 | NUMVAL (prop) > 0) | |
1698 | width = NUMVAL (prop) * CANON_X_UNIT (it->f) - it->current_x; | |
1699 | else | |
1700 | /* Nothing specified -> width defaults to canonical char width. */ | |
1701 | width = CANON_X_UNIT (it->f); | |
1702 | ||
1703 | /* Compute height. */ | |
1704 | if (prop = Fplist_get (plist, QCheight), | |
1705 | NUMVAL (prop) > 0) | |
1706 | height = NUMVAL (prop) * CANON_Y_UNIT (it->f); | |
1707 | else if (prop = Fplist_get (plist, QCrelative_height), | |
1708 | NUMVAL (prop) > 0) | |
1709 | height = FONT_HEIGHT (font) * NUMVAL (prop); | |
1710 | else | |
1711 | height = FONT_HEIGHT (font); | |
1712 | ||
1713 | /* Compute percentage of height used for ascent. If | |
1714 | `:ascent ASCENT' is present and valid, use that. Otherwise, | |
1715 | derive the ascent from the font in use. */ | |
1716 | if (prop = Fplist_get (plist, QCascent), | |
1717 | NUMVAL (prop) > 0 && NUMVAL (prop) <= 100) | |
1718 | ascent = NUMVAL (prop) / 100.0; | |
1719 | else | |
1720 | ascent = (double) FONT_BASE (font) / FONT_HEIGHT (font); | |
1721 | ||
1722 | if (width <= 0) | |
1723 | width = 1; | |
1724 | if (height <= 0) | |
1725 | height = 1; | |
1726 | ||
1727 | if (it->glyph_row) | |
1728 | { | |
1729 | Lisp_Object object = it->stack[it->sp - 1].string; | |
1730 | if (!STRINGP (object)) | |
1731 | object = it->w->buffer; | |
1732 | x_append_stretch_glyph (it, object, width, height, ascent); | |
1733 | } | |
1734 | ||
1735 | it->pixel_width = width; | |
1736 | it->ascent = it->phys_ascent = height * ascent; | |
1737 | it->descent = it->phys_descent = height - it->ascent; | |
1738 | it->nglyphs = 1; | |
1739 | ||
1740 | if (face->box != FACE_NO_BOX) | |
1741 | { | |
1742 | it->ascent += face->box_line_width; | |
1743 | it->descent += face->box_line_width; | |
1744 | ||
1745 | if (it->start_of_box_run_p) | |
1746 | it->pixel_width += face->box_line_width; | |
1747 | if (it->end_of_box_run_p) | |
1748 | it->pixel_width += face->box_line_width; | |
1749 | } | |
1750 | ||
1751 | take_vertical_position_into_account (it); | |
1752 | } | |
1753 | ||
1754 | /* Return proper value to be used as baseline offset of font that has | |
1755 | ASCENT and DESCENT to draw characters by the font at the vertical | |
1756 | center of the line of frame F. | |
1757 | ||
1758 | Here, out task is to find the value of BOFF in the following figure; | |
1759 | ||
1760 | -------------------------+-----------+- | |
1761 | -+-+---------+-+ | | | |
1762 | | | | | | | | |
1763 | | | | | F_ASCENT F_HEIGHT | |
1764 | | | | ASCENT | | | |
1765 | HEIGHT | | | | | | |
1766 | | | |-|-+------+-----------|------- baseline | |
1767 | | | | | BOFF | | | |
1768 | | |---------|-+-+ | | | |
1769 | | | | DESCENT | | | |
1770 | -+-+---------+-+ F_DESCENT | | |
1771 | -------------------------+-----------+- | |
1772 | ||
1773 | -BOFF + DESCENT + (F_HEIGHT - HEIGHT) / 2 = F_DESCENT | |
1774 | BOFF = DESCENT + (F_HEIGHT - HEIGHT) / 2 - F_DESCENT | |
1775 | DESCENT = FONT->descent | |
1776 | HEIGHT = FONT_HEIGHT (FONT) | |
1777 | F_DESCENT = (F->output_data.x->font->descent | |
1778 | - F->output_data.x->baseline_offset) | |
1779 | F_HEIGHT = FRAME_LINE_HEIGHT (F) | |
1780 | */ | |
1781 | ||
1782 | #define VCENTER_BASELINE_OFFSET(FONT, F) \ | |
1783 | (FONT_DESCENT (FONT) \ | |
1784 | + (FRAME_LINE_HEIGHT ((F)) - FONT_HEIGHT ((FONT))) / 2 \ | |
1785 | - (FONT_DESCENT (FRAME_FONT (F)) - FRAME_BASELINE_OFFSET (F))) | |
1786 | ||
1787 | /* Produce glyphs/get display metrics for the display element IT is | |
1788 | loaded with. See the description of struct display_iterator in | |
1789 | dispextern.h for an overview of struct display_iterator. */ | |
1790 | ||
1791 | static void | |
1792 | x_produce_glyphs (it) | |
1793 | struct it *it; | |
1794 | { | |
93ff4395 JR |
1795 | it->glyph_not_available_p = 0; |
1796 | ||
791f420f JR |
1797 | if (it->what == IT_CHARACTER) |
1798 | { | |
1799 | wchar_t char2b; | |
1800 | XFontStruct *font; | |
93ff4395 | 1801 | struct face *face = FACE_FROM_ID (it->f, it->face_id); |
791f420f | 1802 | XCharStruct *pcm; |
93ff4395 | 1803 | int font_not_found_p; |
791f420f JR |
1804 | struct font_info *font_info; |
1805 | int boff; /* baseline offset */ | |
1806 | HDC hdc; | |
1807 | ||
1808 | hdc = get_frame_dc (it->f); | |
1809 | ||
93ff4395 JR |
1810 | /* Maybe translate single-byte characters to multibyte, or the |
1811 | other way. */ | |
791f420f | 1812 | it->char_to_display = it->c; |
93ff4395 JR |
1813 | if (!ASCII_BYTE_P (it->c)) |
1814 | { | |
1815 | if (unibyte_display_via_language_environment | |
1816 | && SINGLE_BYTE_CHAR_P (it->c) | |
1817 | && (it->c >= 0240 | |
1818 | || !NILP (Vnonascii_translation_table))) | |
1819 | { | |
1820 | it->char_to_display = unibyte_char_to_multibyte (it->c); | |
1821 | it->face_id = FACE_FOR_CHAR (it->f, face, it->char_to_display); | |
1822 | face = FACE_FROM_ID (it->f, it->face_id); | |
1823 | } | |
1824 | else if (!SINGLE_BYTE_CHAR_P (it->c) | |
1825 | && !it->multibyte_p) | |
1826 | { | |
1827 | it->char_to_display = multibyte_char_to_unibyte (it->c, Qnil); | |
1828 | it->face_id = FACE_FOR_CHAR (it->f, face, it->char_to_display); | |
1829 | face = FACE_FROM_ID (it->f, it->face_id); | |
1830 | } | |
1831 | } | |
791f420f | 1832 | |
93ff4395 JR |
1833 | /* Get font to use. Encode IT->char_to_display. */ |
1834 | x_get_char_face_and_encoding (it->f, it->char_to_display, | |
1835 | it->face_id, &char2b, | |
1836 | it->multibyte_p); | |
791f420f JR |
1837 | font = face->font; |
1838 | ||
1839 | /* When no suitable font found, use the default font. */ | |
1840 | font_not_found_p = font == NULL; | |
1841 | if (font_not_found_p) | |
1842 | { | |
1843 | font = FRAME_FONT (it->f); | |
1844 | boff = it->f->output_data.w32->baseline_offset; | |
1845 | font_info = NULL; | |
1846 | } | |
1847 | else | |
1848 | { | |
1849 | font_info = FONT_INFO_FROM_ID (it->f, face->font_info_id); | |
1850 | boff = font_info->baseline_offset; | |
1851 | if (font_info->vertical_centering) | |
1852 | boff = VCENTER_BASELINE_OFFSET (font, it->f) - boff; | |
1853 | } | |
1854 | ||
1855 | if (font->hfont) | |
1856 | SelectObject (hdc, font->hfont); | |
1857 | ||
1858 | if (it->char_to_display >= ' ' | |
1859 | && (!it->multibyte_p || it->char_to_display < 128)) | |
1860 | { | |
1861 | /* Either unibyte or ASCII. */ | |
1862 | int stretched_p; | |
1863 | ||
1864 | it->nglyphs = 1; | |
1865 | ||
9ef2e2cf JR |
1866 | pcm = w32_per_char_metric (hdc, font, &char2b, |
1867 | font->bdf ? BDF_FONT : ANSI_FONT); | |
791f420f JR |
1868 | it->ascent = FONT_BASE (font) + boff; |
1869 | it->descent = FONT_DESCENT (font) - boff; | |
791f420f | 1870 | |
9ef2e2cf JR |
1871 | if (pcm) |
1872 | { | |
1873 | it->phys_ascent = pcm->ascent + boff; | |
1874 | it->phys_descent = pcm->descent - boff; | |
1875 | it->pixel_width = pcm->width; | |
1876 | } | |
1877 | else | |
1878 | { | |
1879 | it->glyph_not_available_p = 1; | |
1880 | it->phys_ascent = FONT_BASE(font) + boff; | |
1881 | it->phys_descent = FONT_DESCENT(font) - boff; | |
1882 | it->pixel_width = FONT_WIDTH(font); | |
1883 | } | |
1884 | ||
791f420f JR |
1885 | /* If this is a space inside a region of text with |
1886 | `space-width' property, change its width. */ | |
1887 | stretched_p = it->char_to_display == ' ' && !NILP (it->space_width); | |
1888 | if (stretched_p) | |
1889 | it->pixel_width *= XFLOATINT (it->space_width); | |
1890 | ||
1891 | /* If face has a box, add the box thickness to the character | |
1892 | height. If character has a box line to the left and/or | |
1893 | right, add the box line width to the character's width. */ | |
1894 | if (face->box != FACE_NO_BOX) | |
1895 | { | |
1896 | int thick = face->box_line_width; | |
1897 | ||
1898 | it->ascent += thick; | |
1899 | it->descent += thick; | |
1900 | ||
1901 | if (it->start_of_box_run_p) | |
1902 | it->pixel_width += thick; | |
1903 | if (it->end_of_box_run_p) | |
1904 | it->pixel_width += thick; | |
1905 | } | |
1906 | ||
1907 | /* If face has an overline, add the height of the overline | |
1908 | (1 pixel) and a 1 pixel margin to the character height. */ | |
1909 | if (face->overline_p) | |
1910 | it->ascent += 2; | |
1911 | ||
1912 | take_vertical_position_into_account (it); | |
1913 | ||
1914 | /* If we have to actually produce glyphs, do it. */ | |
1915 | if (it->glyph_row) | |
1916 | { | |
1917 | if (stretched_p) | |
1918 | { | |
1919 | /* Translate a space with a `space-width' property | |
1920 | into a stretch glyph. */ | |
1921 | double ascent = (double) FONT_BASE (font) | |
1922 | / FONT_HEIGHT (font); | |
1923 | x_append_stretch_glyph (it, it->object, it->pixel_width, | |
1924 | it->ascent + it->descent, ascent); | |
1925 | } | |
1926 | else | |
1927 | x_append_glyph (it); | |
1928 | ||
1929 | /* If characters with lbearing or rbearing are displayed | |
1930 | in this line, record that fact in a flag of the | |
1931 | glyph row. This is used to optimize X output code. */ | |
9ef2e2cf | 1932 | if (pcm && (pcm->lbearing < 0 || pcm->rbearing > pcm->width)) |
791f420f | 1933 | it->glyph_row->contains_overlapping_glyphs_p = 1; |
9ef2e2cf JR |
1934 | if (pcm) |
1935 | xfree (pcm); | |
791f420f JR |
1936 | } |
1937 | } | |
1938 | else if (it->char_to_display == '\n') | |
1939 | { | |
1940 | /* A newline has no width but we need the height of the line. */ | |
1941 | it->pixel_width = 0; | |
1942 | it->nglyphs = 0; | |
1943 | it->ascent = it->phys_ascent = FONT_BASE (font) + boff; | |
1944 | it->descent = it->phys_descent = FONT_DESCENT (font) - boff; | |
1945 | ||
1946 | if (face->box != FACE_NO_BOX) | |
1947 | { | |
1948 | int thick = face->box_line_width; | |
1949 | it->ascent += thick; | |
1950 | it->descent += thick; | |
1951 | } | |
1952 | } | |
1953 | else if (it->char_to_display == '\t') | |
1954 | { | |
1955 | int tab_width = it->tab_width * CANON_X_UNIT (it->f); | |
9ef2e2cf | 1956 | int x = it->current_x + it->continuation_lines_width; |
791f420f JR |
1957 | int next_tab_x = ((1 + x + tab_width - 1) / tab_width) * tab_width; |
1958 | ||
1959 | it->pixel_width = next_tab_x - x; | |
1960 | it->nglyphs = 1; | |
1961 | it->ascent = it->phys_ascent = FONT_BASE (font) + boff; | |
1962 | it->descent = it->phys_descent = FONT_DESCENT (font) - boff; | |
1963 | ||
1964 | if (it->glyph_row) | |
1965 | { | |
1966 | double ascent = (double) it->ascent / (it->ascent + it->descent); | |
1967 | x_append_stretch_glyph (it, it->object, it->pixel_width, | |
1968 | it->ascent + it->descent, ascent); | |
1969 | } | |
1970 | } | |
1971 | else | |
1972 | { | |
00fe468b JR |
1973 | /* A multi-byte character. |
1974 | If we found a font, this font should give us the right | |
791f420f JR |
1975 | metrics. If we didn't find a font, use the frame's |
1976 | default font and calculate the width of the character | |
1977 | from the charset width; this is what old redisplay code | |
1978 | did. */ | |
9ef2e2cf JR |
1979 | pcm = w32_per_char_metric (hdc, font, &char2b, |
1980 | font->bdf ? BDF_FONT : UNICODE_FONT); | |
00fe468b | 1981 | |
93ff4395 JR |
1982 | if (font_not_found_p || !pcm) |
1983 | { | |
1984 | int charset = CHAR_CHARSET (it->char_to_display); | |
00fe468b | 1985 | |
93ff4395 JR |
1986 | it->glyph_not_available_p = 1; |
1987 | it->pixel_width = (FONT_WIDTH (FRAME_FONT (it->f)) | |
1988 | * CHARSET_WIDTH (charset)); | |
1989 | it->phys_ascent = FONT_BASE (font) + boff; | |
1990 | it->phys_descent = FONT_DESCENT (font) - boff; | |
1991 | } | |
1992 | else | |
1993 | { | |
9ef2e2cf | 1994 | it->pixel_width = pcm->width; |
93ff4395 JR |
1995 | it->phys_ascent = pcm->ascent + boff; |
1996 | it->phys_descent = pcm->descent - boff; | |
1997 | if (it->glyph_row | |
1998 | && (pcm->lbearing < 0 | |
1999 | || pcm->rbearing > pcm->width)) | |
2000 | it->glyph_row->contains_overlapping_glyphs_p = 1; | |
00fe468b | 2001 | } |
791f420f JR |
2002 | it->nglyphs = 1; |
2003 | it->ascent = FONT_BASE (font) + boff; | |
2004 | it->descent = FONT_DESCENT (font) - boff; | |
00fe468b | 2005 | |
791f420f JR |
2006 | if (face->box != FACE_NO_BOX) |
2007 | { | |
2008 | int thick = face->box_line_width; | |
2009 | it->ascent += thick; | |
2010 | it->descent += thick; | |
2011 | ||
2012 | if (it->start_of_box_run_p) | |
2013 | it->pixel_width += thick; | |
2014 | if (it->end_of_box_run_p) | |
2015 | it->pixel_width += thick; | |
2016 | } | |
2017 | ||
2018 | /* If face has an overline, add the height of the overline | |
2019 | (1 pixel) and a 1 pixel margin to the character height. */ | |
2020 | if (face->overline_p) | |
2021 | it->ascent += 2; | |
2022 | ||
2023 | take_vertical_position_into_account (it); | |
2024 | ||
2025 | if (it->glyph_row) | |
2026 | x_append_glyph (it); | |
93ff4395 | 2027 | |
9ef2e2cf JR |
2028 | if (pcm) |
2029 | xfree (pcm); | |
791f420f JR |
2030 | } |
2031 | release_frame_dc (it->f, hdc); | |
2032 | } | |
2033 | else if (it->what == IT_COMPOSITION) | |
2034 | { | |
93ff4395 | 2035 | /* NTEMACS_TODO: Composite glyphs. */ |
791f420f JR |
2036 | } |
2037 | else if (it->what == IT_IMAGE) | |
2038 | x_produce_image_glyph (it); | |
2039 | else if (it->what == IT_STRETCH) | |
2040 | x_produce_stretch_glyph (it); | |
2041 | ||
2042 | /* Accumulate dimensions. */ | |
2043 | xassert (it->ascent >= 0 && it->descent > 0); | |
2044 | if (it->area == TEXT_AREA) | |
2045 | it->current_x += it->pixel_width; | |
2046 | ||
9ef2e2cf JR |
2047 | it->descent += it->extra_line_spacing; |
2048 | ||
791f420f JR |
2049 | it->max_ascent = max (it->max_ascent, it->ascent); |
2050 | it->max_descent = max (it->max_descent, it->descent); | |
2051 | it->max_phys_ascent = max (it->max_phys_ascent, it->phys_ascent); | |
2052 | it->max_phys_descent = max (it->max_phys_descent, it->phys_descent); | |
2053 | } | |
2054 | ||
2055 | ||
2056 | /* Estimate the pixel height of the mode or top line on frame F. | |
2057 | FACE_ID specifies what line's height to estimate. */ | |
2058 | ||
2059 | int | |
2060 | x_estimate_mode_line_height (f, face_id) | |
2061 | struct frame *f; | |
2062 | enum face_id face_id; | |
2063 | { | |
2064 | int height = 1; | |
2065 | ||
2066 | /* This function is called so early when Emacs starts that the face | |
2067 | cache and mode line face are not yet initialized. */ | |
2068 | if (FRAME_FACE_CACHE (f)) | |
2069 | { | |
2070 | struct face *face = FACE_FROM_ID (f, face_id); | |
9ef2e2cf | 2071 | if (face) |
791f420f JR |
2072 | height = FONT_HEIGHT (face->font) + 2 * face->box_line_width; |
2073 | } | |
2074 | ||
2075 | return height; | |
2076 | } | |
cabb23bc | 2077 | |
cabb23bc | 2078 | \f |
791f420f JR |
2079 | |
2080 | BOOL | |
2081 | w32_use_unicode_for_codepage (codepage) | |
2082 | int codepage; | |
2083 | { | |
2084 | /* If the current codepage is supported, use Unicode for output. */ | |
2085 | return (w32_enable_unicode_output | |
2086 | && codepage != CP_DEFAULT && IsValidCodePage (codepage)); | |
2087 | } | |
2088 | ||
2089 | \f | |
2090 | /*********************************************************************** | |
2091 | Glyph display | |
2092 | ***********************************************************************/ | |
2093 | ||
2094 | /* A sequence of glyphs to be drawn in the same face. | |
2095 | ||
2096 | This data structure is not really completely X specific, so it | |
2097 | could possibly, at least partially, be useful for other systems. It | |
2098 | is currently not part of the external redisplay interface because | |
2099 | it's not clear what other systems will need. */ | |
2100 | ||
2101 | struct glyph_string | |
2102 | { | |
2103 | /* X-origin of the string. */ | |
2104 | int x; | |
2105 | ||
2106 | /* Y-origin and y-position of the base line of this string. */ | |
2107 | int y, ybase; | |
2108 | ||
2109 | /* The width of the string, not including a face extension. */ | |
2110 | int width; | |
2111 | ||
2112 | /* The width of the string, including a face extension. */ | |
2113 | int background_width; | |
2114 | ||
2115 | /* The height of this string. This is the height of the line this | |
2116 | string is drawn in, and can be different from the height of the | |
2117 | font the string is drawn in. */ | |
2118 | int height; | |
2119 | ||
2120 | /* Number of pixels this string overwrites in front of its x-origin. | |
2121 | This number is zero if the string has an lbearing >= 0; it is | |
2122 | -lbearing, if the string has an lbearing < 0. */ | |
2123 | int left_overhang; | |
2124 | ||
2125 | /* Number of pixels this string overwrites past its right-most | |
2126 | nominal x-position, i.e. x + width. Zero if the string's | |
2127 | rbearing is <= its nominal width, rbearing - width otherwise. */ | |
2128 | int right_overhang; | |
2129 | ||
2130 | /* The frame on which the glyph string is drawn. */ | |
2131 | struct frame *f; | |
2132 | ||
2133 | /* The window on which the glyph string is drawn. */ | |
2134 | struct window *w; | |
2135 | ||
2136 | /* X display and window for convenience. */ | |
2137 | Window window; | |
2138 | ||
2139 | /* The glyph row for which this string was built. It determines the | |
2140 | y-origin and height of the string. */ | |
2141 | struct glyph_row *row; | |
2142 | ||
2143 | /* The area within row. */ | |
2144 | enum glyph_row_area area; | |
2145 | ||
2146 | /* Characters to be drawn, and number of characters. */ | |
2147 | wchar_t *char2b; | |
2148 | int nchars; | |
2149 | ||
791f420f JR |
2150 | /* A face-override for drawing cursors, mouse face and similar. */ |
2151 | enum draw_glyphs_face hl; | |
2152 | ||
2153 | /* Face in which this string is to be drawn. */ | |
2154 | struct face *face; | |
2155 | ||
2156 | /* Font in which this string is to be drawn. */ | |
2157 | XFontStruct *font; | |
2158 | ||
2159 | /* Font info for this string. */ | |
2160 | struct font_info *font_info; | |
2161 | ||
2162 | /* Non-null means this string describes (part of) a composition. | |
2163 | All characters from char2b are drawn composed. */ | |
2164 | struct composition *cmp; | |
2165 | ||
2166 | /* Index of this glyph string's first character in the glyph | |
2167 | definition of CMP. If this is zero, this glyph string describes | |
2168 | the first character of a composition. */ | |
2169 | int gidx; | |
2170 | ||
2171 | /* 1 means this glyph strings face has to be drawn to the right end | |
2172 | of the window's drawing area. */ | |
2173 | unsigned extends_to_end_of_line_p : 1; | |
2174 | ||
2175 | /* 1 means the background of this string has been drawn. */ | |
2176 | unsigned background_filled_p : 1; | |
2177 | ||
2178 | /* 1 means glyph string must be drawn with 16-bit functions. */ | |
2179 | unsigned two_byte_p : 1; | |
2180 | ||
2181 | /* 1 means that the original font determined for drawing this glyph | |
2182 | string could not be loaded. The member `font' has been set to | |
2183 | the frame's default font in this case. */ | |
2184 | unsigned font_not_found_p : 1; | |
2185 | ||
2186 | /* 1 means that the face in which this glyph string is drawn has a | |
2187 | stipple pattern. */ | |
2188 | unsigned stippled_p : 1; | |
2189 | ||
2190 | /* 1 means only the foreground of this glyph string must be drawn, | |
2191 | and we should use the physical height of the line this glyph | |
2192 | string appears in as clip rect. */ | |
2193 | unsigned for_overlaps_p : 1; | |
2194 | ||
2195 | /* The GC to use for drawing this glyph string. */ | |
2196 | XGCValues *gc; | |
2197 | ||
2198 | HDC hdc; | |
2199 | ||
2200 | /* A pointer to the first glyph in the string. This glyph | |
2201 | corresponds to char2b[0]. Needed to draw rectangles if | |
2202 | font_not_found_p is 1. */ | |
2203 | struct glyph *first_glyph; | |
2204 | ||
2205 | /* Image, if any. */ | |
2206 | struct image *img; | |
2207 | ||
2208 | struct glyph_string *next, *prev; | |
2209 | }; | |
2210 | ||
2211 | ||
9ef2e2cf | 2212 | /* Encapsulate the different ways of displaying text under W32. */ |
791f420f JR |
2213 | |
2214 | void W32_TEXTOUT(s, x, y,chars,nchars) | |
2215 | struct glyph_string * s; | |
2216 | int x, y; | |
2217 | wchar_t * chars; | |
2218 | int nchars; | |
2219 | { | |
9ef2e2cf | 2220 | int charset_dim = w32_font_is_double_byte (s->gc->font) ? 2 : 1; |
791f420f JR |
2221 | if (s->gc->font->bdf) |
2222 | w32_BDF_TextOut (s->gc->font->bdf, s->hdc, | |
9ef2e2cf JR |
2223 | x, y, (char *) chars, charset_dim, nchars, 0); |
2224 | else if (s->first_glyph->w32_font_type == UNICODE_FONT) | |
791f420f JR |
2225 | ExtTextOutW (s->hdc, x, y, 0, NULL, chars, nchars, NULL); |
2226 | else | |
2227 | ExtTextOut (s->hdc, x, y, 0, NULL, (char *) chars, | |
9ef2e2cf | 2228 | nchars * charset_dim, NULL); |
791f420f JR |
2229 | } |
2230 | ||
2231 | #if 0 | |
2232 | ||
2233 | static void | |
2234 | x_dump_glyph_string (s) | |
2235 | struct glyph_string *s; | |
2236 | { | |
2237 | fprintf (stderr, "glyph string\n"); | |
2238 | fprintf (stderr, " x, y, w, h = %d, %d, %d, %d\n", | |
2239 | s->x, s->y, s->width, s->height); | |
2240 | fprintf (stderr, " ybase = %d\n", s->ybase); | |
2241 | fprintf (stderr, " hl = %d\n", s->hl); | |
2242 | fprintf (stderr, " left overhang = %d, right = %d\n", | |
2243 | s->left_overhang, s->right_overhang); | |
2244 | fprintf (stderr, " nchars = %d\n", s->nchars); | |
2245 | fprintf (stderr, " extends to end of line = %d\n", | |
2246 | s->extends_to_end_of_line_p); | |
2247 | fprintf (stderr, " font height = %d\n", FONT_HEIGHT (s->font)); | |
2248 | fprintf (stderr, " bg width = %d\n", s->background_width); | |
2249 | } | |
2250 | ||
2251 | #endif /* GLYPH_DEBUG */ | |
2252 | ||
2253 | ||
2254 | ||
2255 | static void x_append_glyph_string_lists P_ ((struct glyph_string **, | |
2256 | struct glyph_string **, | |
2257 | struct glyph_string *, | |
2258 | struct glyph_string *)); | |
2259 | static void x_prepend_glyph_string_lists P_ ((struct glyph_string **, | |
2260 | struct glyph_string **, | |
2261 | struct glyph_string *, | |
2262 | struct glyph_string *)); | |
2263 | static void x_append_glyph_string P_ ((struct glyph_string **, | |
2264 | struct glyph_string **, | |
2265 | struct glyph_string *)); | |
2266 | static int x_left_overwritten P_ ((struct glyph_string *)); | |
2267 | static int x_left_overwriting P_ ((struct glyph_string *)); | |
2268 | static int x_right_overwritten P_ ((struct glyph_string *)); | |
2269 | static int x_right_overwriting P_ ((struct glyph_string *)); | |
2270 | static int x_fill_glyph_string P_ ((struct glyph_string *, int, int, | |
2271 | int, int)); | |
2272 | static void w32_init_glyph_string P_ ((struct glyph_string *, HDC hdc, | |
2273 | wchar_t *, struct window *, | |
2274 | struct glyph_row *, | |
2275 | enum glyph_row_area, int, | |
2276 | enum draw_glyphs_face)); | |
2277 | static int x_draw_glyphs P_ ((struct window *, int , struct glyph_row *, | |
2278 | enum glyph_row_area, int, int, | |
2279 | enum draw_glyphs_face, int *, int *, int)); | |
2280 | static void x_set_glyph_string_clipping P_ ((struct glyph_string *)); | |
2281 | static void x_set_glyph_string_gc P_ ((struct glyph_string *)); | |
2282 | static void x_draw_glyph_string_background P_ ((struct glyph_string *, | |
2283 | int)); | |
2284 | static void x_draw_glyph_string_foreground P_ ((struct glyph_string *)); | |
2285 | static void x_draw_composite_glyph_string_foreground P_ ((struct glyph_string *)); | |
791f420f JR |
2286 | static void x_draw_glyph_string_box P_ ((struct glyph_string *)); |
2287 | static void x_draw_glyph_string P_ ((struct glyph_string *)); | |
2288 | static void x_compute_glyph_string_overhangs P_ ((struct glyph_string *)); | |
2289 | static void x_set_cursor_gc P_ ((struct glyph_string *)); | |
2290 | static void x_set_mode_line_face_gc P_ ((struct glyph_string *)); | |
2291 | static void x_set_mouse_face_gc P_ ((struct glyph_string *)); | |
2292 | static void w32_get_glyph_overhangs P_ ((HDC hdc, struct glyph *, | |
2293 | struct frame *, | |
9ef2e2cf | 2294 | int *, int *)); |
791f420f JR |
2295 | static void x_compute_overhangs_and_x P_ ((struct glyph_string *, int, int)); |
2296 | static int w32_alloc_lighter_color (struct frame *, COLORREF *, double, int); | |
2297 | static void w32_setup_relief_color P_ ((struct frame *, struct relief *, | |
2298 | double, int, COLORREF)); | |
2299 | static void x_setup_relief_colors P_ ((struct glyph_string *)); | |
2300 | static void x_draw_image_glyph_string P_ ((struct glyph_string *)); | |
2301 | static void x_draw_image_relief P_ ((struct glyph_string *)); | |
2302 | static void x_draw_image_foreground P_ ((struct glyph_string *)); | |
2303 | static void w32_draw_image_foreground_1 P_ ((struct glyph_string *, HBITMAP)); | |
2304 | static void x_fill_image_glyph_string P_ ((struct glyph_string *)); | |
2305 | static void x_clear_glyph_string_rect P_ ((struct glyph_string *, int, | |
2306 | int, int, int)); | |
2307 | static void w32_draw_relief_rect P_ ((struct frame *, int, int, int, int, | |
2308 | int, int, int, int, RECT *)); | |
2309 | static void w32_draw_box_rect P_ ((struct glyph_string *, int, int, int, int, | |
2310 | int, int, int, RECT *)); | |
2311 | static void x_fix_overlapping_area P_ ((struct window *, struct glyph_row *, | |
2312 | enum glyph_row_area)); | |
2313 | ||
2314 | ||
2315 | /* Append the list of glyph strings with head H and tail T to the list | |
2316 | with head *HEAD and tail *TAIL. Set *HEAD and *TAIL to the result. */ | |
2317 | ||
2318 | static INLINE void | |
2319 | x_append_glyph_string_lists (head, tail, h, t) | |
2320 | struct glyph_string **head, **tail; | |
2321 | struct glyph_string *h, *t; | |
2322 | { | |
2323 | if (h) | |
2324 | { | |
2325 | if (*head) | |
2326 | (*tail)->next = h; | |
2327 | else | |
2328 | *head = h; | |
2329 | h->prev = *tail; | |
2330 | *tail = t; | |
2331 | } | |
2332 | } | |
2333 | ||
2334 | ||
2335 | /* Prepend the list of glyph strings with head H and tail T to the | |
2336 | list with head *HEAD and tail *TAIL. Set *HEAD and *TAIL to the | |
2337 | result. */ | |
2338 | ||
2339 | static INLINE void | |
2340 | x_prepend_glyph_string_lists (head, tail, h, t) | |
2341 | struct glyph_string **head, **tail; | |
2342 | struct glyph_string *h, *t; | |
2343 | { | |
2344 | if (h) | |
2345 | { | |
2346 | if (*head) | |
2347 | (*head)->prev = t; | |
2348 | else | |
2349 | *tail = t; | |
2350 | t->next = *head; | |
2351 | *head = h; | |
2352 | } | |
2353 | } | |
2354 | ||
2355 | ||
2356 | /* Append glyph string S to the list with head *HEAD and tail *TAIL. | |
2357 | Set *HEAD and *TAIL to the resulting list. */ | |
2358 | ||
2359 | static INLINE void | |
2360 | x_append_glyph_string (head, tail, s) | |
2361 | struct glyph_string **head, **tail; | |
2362 | struct glyph_string *s; | |
2363 | { | |
2364 | s->next = s->prev = NULL; | |
2365 | x_append_glyph_string_lists (head, tail, s, s); | |
2366 | } | |
2367 | ||
2368 | ||
2369 | /* Set S->gc to a suitable GC for drawing glyph string S in cursor | |
2370 | face. */ | |
2371 | ||
2372 | static void | |
2373 | x_set_cursor_gc (s) | |
2374 | struct glyph_string *s; | |
2375 | { | |
2376 | if (s->font == FRAME_FONT (s->f) | |
2377 | && s->face->background == FRAME_BACKGROUND_PIXEL (s->f) | |
2378 | && s->face->foreground == FRAME_FOREGROUND_PIXEL (s->f) | |
2379 | && !s->cmp) | |
2380 | s->gc = s->f->output_data.w32->cursor_gc; | |
2381 | else | |
2382 | { | |
2383 | /* Cursor on non-default face: must merge. */ | |
2384 | XGCValues xgcv; | |
2385 | unsigned long mask; | |
2386 | ||
2387 | xgcv.background = s->f->output_data.w32->cursor_pixel; | |
2388 | xgcv.foreground = s->face->background; | |
2389 | ||
2390 | /* If the glyph would be invisible, try a different foreground. */ | |
2391 | if (xgcv.foreground == xgcv.background) | |
2392 | xgcv.foreground = s->face->foreground; | |
2393 | if (xgcv.foreground == xgcv.background) | |
2394 | xgcv.foreground = s->f->output_data.w32->cursor_foreground_pixel; | |
2395 | if (xgcv.foreground == xgcv.background) | |
2396 | xgcv.foreground = s->face->foreground; | |
2397 | ||
2398 | /* Make sure the cursor is distinct from text in this face. */ | |
2399 | if (xgcv.background == s->face->background | |
2400 | && xgcv.foreground == s->face->foreground) | |
2401 | { | |
2402 | xgcv.background = s->face->foreground; | |
2403 | xgcv.foreground = s->face->background; | |
2404 | } | |
2405 | ||
2406 | IF_DEBUG (x_check_font (s->f, s->font)); | |
2407 | xgcv.font = s->font; | |
2408 | mask = GCForeground | GCBackground | GCFont; | |
2409 | ||
2410 | if (FRAME_W32_DISPLAY_INFO (s->f)->scratch_cursor_gc) | |
2411 | XChangeGC (NULL, FRAME_W32_DISPLAY_INFO (s->f)->scratch_cursor_gc, | |
2412 | mask, &xgcv); | |
2413 | else | |
2414 | FRAME_W32_DISPLAY_INFO (s->f)->scratch_cursor_gc | |
2415 | = XCreateGC (NULL, s->window, mask, &xgcv); | |
2416 | ||
2417 | s->gc = FRAME_W32_DISPLAY_INFO (s->f)->scratch_cursor_gc; | |
2418 | } | |
2419 | } | |
2420 | ||
2421 | ||
2422 | /* Set up S->gc of glyph string S for drawing text in mouse face. */ | |
2423 | ||
2424 | static void | |
2425 | x_set_mouse_face_gc (s) | |
2426 | struct glyph_string *s; | |
2427 | { | |
2428 | int face_id; | |
93ff4395 | 2429 | struct face *face; |
791f420f JR |
2430 | |
2431 | /* What face has to be used for the mouse face? */ | |
2432 | face_id = FRAME_W32_DISPLAY_INFO (s->f)->mouse_face_face_id; | |
93ff4395 JR |
2433 | face = FACE_FROM_ID (s->f, face_id); |
2434 | face_id = FACE_FOR_CHAR (s->f, face, s->first_glyph->u.ch); | |
791f420f JR |
2435 | s->face = FACE_FROM_ID (s->f, face_id); |
2436 | PREPARE_FACE_FOR_DISPLAY (s->f, s->face); | |
2437 | ||
2438 | /* If font in this face is same as S->font, use it. */ | |
2439 | if (s->font == s->face->font) | |
2440 | s->gc = s->face->gc; | |
2441 | else | |
2442 | { | |
2443 | /* Otherwise construct scratch_cursor_gc with values from FACE | |
2444 | but font FONT. */ | |
2445 | XGCValues xgcv; | |
2446 | unsigned long mask; | |
2447 | ||
2448 | xgcv.background = s->face->background; | |
2449 | xgcv.foreground = s->face->foreground; | |
2450 | IF_DEBUG (x_check_font (s->f, s->font)); | |
2451 | xgcv.font = s->font; | |
2452 | mask = GCForeground | GCBackground | GCFont; | |
2453 | ||
2454 | if (FRAME_W32_DISPLAY_INFO (s->f)->scratch_cursor_gc) | |
2455 | XChangeGC (NULL, FRAME_W32_DISPLAY_INFO (s->f)->scratch_cursor_gc, | |
2456 | mask, &xgcv); | |
2457 | else | |
2458 | FRAME_W32_DISPLAY_INFO (s->f)->scratch_cursor_gc | |
2459 | = XCreateGC (NULL, s->window, mask, &xgcv); | |
2460 | ||
2461 | s->gc = FRAME_W32_DISPLAY_INFO (s->f)->scratch_cursor_gc; | |
2462 | } | |
2463 | ||
2464 | xassert (s->gc != 0); | |
2465 | } | |
2466 | ||
2467 | ||
2468 | /* Set S->gc of glyph string S to a GC suitable for drawing a mode line. | |
2469 | Faces to use in the mode line have already been computed when the | |
2470 | matrix was built, so there isn't much to do, here. */ | |
2471 | ||
2472 | static INLINE void | |
2473 | x_set_mode_line_face_gc (s) | |
2474 | struct glyph_string *s; | |
2475 | { | |
2476 | s->gc = s->face->gc; | |
2477 | xassert (s->gc != 0); | |
2478 | } | |
2479 | ||
2480 | ||
2481 | /* Set S->gc of glyph string S for drawing that glyph string. Set | |
2482 | S->stippled_p to a non-zero value if the face of S has a stipple | |
2483 | pattern. */ | |
2484 | ||
2485 | static INLINE void | |
2486 | x_set_glyph_string_gc (s) | |
2487 | struct glyph_string *s; | |
2488 | { | |
2489 | if (s->hl == DRAW_NORMAL_TEXT) | |
2490 | { | |
2491 | s->gc = s->face->gc; | |
2492 | s->stippled_p = s->face->stipple != 0; | |
2493 | } | |
2494 | else if (s->hl == DRAW_INVERSE_VIDEO) | |
2495 | { | |
2496 | x_set_mode_line_face_gc (s); | |
2497 | s->stippled_p = s->face->stipple != 0; | |
2498 | } | |
2499 | else if (s->hl == DRAW_CURSOR) | |
2500 | { | |
2501 | x_set_cursor_gc (s); | |
2502 | s->stippled_p = 0; | |
2503 | } | |
2504 | else if (s->hl == DRAW_MOUSE_FACE) | |
2505 | { | |
2506 | x_set_mouse_face_gc (s); | |
2507 | s->stippled_p = s->face->stipple != 0; | |
2508 | } | |
2509 | else if (s->hl == DRAW_IMAGE_RAISED | |
2510 | || s->hl == DRAW_IMAGE_SUNKEN) | |
2511 | { | |
2512 | s->gc = s->face->gc; | |
2513 | s->stippled_p = s->face->stipple != 0; | |
2514 | } | |
2515 | else | |
2516 | { | |
2517 | s->gc = s->face->gc; | |
2518 | s->stippled_p = s->face->stipple != 0; | |
2519 | } | |
2520 | ||
2521 | /* GC must have been set. */ | |
2522 | xassert (s->gc != 0); | |
2523 | } | |
2524 | ||
2525 | ||
2526 | /* Return in *R the clipping rectangle for glyph string S. */ | |
2527 | ||
2528 | static void | |
2529 | w32_get_glyph_string_clip_rect (s, r) | |
2530 | struct glyph_string *s; | |
2531 | RECT *r; | |
2532 | { | |
2533 | int r_height, r_width; | |
2534 | ||
2535 | if (s->row->full_width_p) | |
2536 | { | |
2537 | /* Draw full-width. X coordinates are relative to S->w->left. */ | |
2538 | int canon_x = CANON_X_UNIT (s->f); | |
2539 | ||
2540 | r->left = WINDOW_LEFT_MARGIN (s->w) * canon_x; | |
2541 | r_width = XFASTINT (s->w->width) * canon_x; | |
2542 | ||
2543 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (s->f)) | |
2544 | { | |
2545 | int width = FRAME_SCROLL_BAR_WIDTH (s->f) * canon_x; | |
2546 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (s->f)) | |
2547 | r->left -= width; | |
2548 | } | |
2549 | ||
2550 | r->left += FRAME_INTERNAL_BORDER_WIDTH (s->f); | |
2551 | ||
2552 | /* Unless displaying a mode or menu bar line, which are always | |
2553 | fully visible, clip to the visible part of the row. */ | |
2554 | if (s->w->pseudo_window_p) | |
2555 | r_height = s->row->visible_height; | |
2556 | else | |
2557 | r_height = s->height; | |
2558 | } | |
2559 | else | |
2560 | { | |
2561 | /* This is a text line that may be partially visible. */ | |
2562 | r->left = WINDOW_AREA_TO_FRAME_PIXEL_X (s->w, s->area, 0); | |
2563 | r_width = window_box_width (s->w, s->area); | |
2564 | r_height = s->row->visible_height; | |
2565 | } | |
2566 | ||
2567 | /* Don't use S->y for clipping because it doesn't take partially | |
2568 | visible lines into account. For example, it can be negative for | |
2569 | partially visible lines at the top of a window. */ | |
2570 | if (!s->row->full_width_p | |
2571 | && MATRIX_ROW_PARTIALLY_VISIBLE_AT_TOP_P (s->w, s->row)) | |
2572 | r->top = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (s->w); | |
2573 | else | |
2574 | r->top = max (0, s->row->y); | |
2575 | ||
2576 | /* If drawing a tool-bar window, draw it over the internal border | |
2577 | at the top of the window. */ | |
2578 | if (s->w == XWINDOW (s->f->tool_bar_window)) | |
2579 | r->top -= s->f->output_data.w32->internal_border_width; | |
2580 | ||
2581 | /* If S draws overlapping rows, it's sufficient to use the top and | |
2582 | bottom of the window for clipping because this glyph string | |
2583 | intentionally draws over other lines. */ | |
2584 | if (s->for_overlaps_p) | |
2585 | { | |
2586 | r->top = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (s->w); | |
2587 | r_height = window_text_bottom_y (s->w) - r->top; | |
2588 | } | |
2589 | ||
2590 | r->top = WINDOW_TO_FRAME_PIXEL_Y (s->w, r->top); | |
2591 | ||
2592 | r->bottom = r->top + r_height; | |
2593 | r->right = r->left + r_width; | |
2594 | } | |
2595 | ||
2596 | ||
2597 | /* Set clipping for output of glyph string S. S may be part of a mode | |
2598 | line or menu if we don't have X toolkit support. */ | |
2599 | ||
2600 | static INLINE void | |
2601 | x_set_glyph_string_clipping (s) | |
2602 | struct glyph_string *s; | |
2603 | { | |
2604 | RECT r; | |
2605 | w32_get_glyph_string_clip_rect (s, &r); | |
2606 | w32_set_clip_rectangle (s->hdc, &r); | |
2607 | } | |
2608 | ||
2609 | ||
2610 | /* Compute left and right overhang of glyph string S. If S is a glyph | |
2611 | string for a composition, assume overhangs don't exist. */ | |
2612 | ||
2613 | static INLINE void | |
2614 | x_compute_glyph_string_overhangs (s) | |
2615 | struct glyph_string *s; | |
2616 | { | |
2617 | if (s->cmp == NULL | |
2618 | && s->first_glyph->type == CHAR_GLYPH) | |
2619 | { | |
2620 | XCharStruct cs; | |
2621 | int direction, font_ascent, font_descent; | |
2622 | XTextExtents16 (s->font, s->char2b, s->nchars, &direction, | |
2623 | &font_ascent, &font_descent, &cs); | |
2624 | s->right_overhang = cs.rbearing > cs.width ? cs.rbearing - cs.width : 0; | |
2625 | s->left_overhang = cs.lbearing < 0 ? -cs.lbearing : 0; | |
2626 | } | |
2627 | } | |
2628 | ||
2629 | ||
2630 | /* Compute overhangs and x-positions for glyph string S and its | |
2631 | predecessors, or successors. X is the starting x-position for S. | |
2632 | BACKWARD_P non-zero means process predecessors. */ | |
2633 | ||
2634 | static void | |
2635 | x_compute_overhangs_and_x (s, x, backward_p) | |
2636 | struct glyph_string *s; | |
2637 | int x; | |
2638 | int backward_p; | |
2639 | { | |
2640 | if (backward_p) | |
2641 | { | |
2642 | while (s) | |
2643 | { | |
2644 | x_compute_glyph_string_overhangs (s); | |
2645 | x -= s->width; | |
2646 | s->x = x; | |
2647 | s = s->prev; | |
2648 | } | |
2649 | } | |
2650 | else | |
2651 | { | |
2652 | while (s) | |
2653 | { | |
2654 | x_compute_glyph_string_overhangs (s); | |
2655 | s->x = x; | |
2656 | x += s->width; | |
2657 | s = s->next; | |
2658 | } | |
2659 | } | |
2660 | } | |
2661 | ||
2662 | ||
2663 | /* Set *LEFT and *RIGHT to the left and right overhang of GLYPH on | |
2664 | frame F. Overhangs of glyphs other than type CHAR_GLYPH are | |
2665 | assumed to be zero. */ | |
2666 | ||
2667 | static void | |
9ef2e2cf | 2668 | w32_get_glyph_overhangs (hdc, glyph, f, left, right) |
00fe468b | 2669 | HDC hdc; |
791f420f JR |
2670 | struct glyph *glyph; |
2671 | struct frame *f; | |
9ef2e2cf | 2672 | int *left, *right; |
791f420f JR |
2673 | { |
2674 | int c; | |
791f420f JR |
2675 | |
2676 | *left = *right = 0; | |
2677 | ||
2678 | if (glyph->type == CHAR_GLYPH) | |
2679 | { | |
2680 | XFontStruct *font; | |
2681 | struct face *face; | |
791f420f | 2682 | wchar_t char2b; |
93ff4395 JR |
2683 | XCharStruct *pcm; |
2684 | ||
2685 | face = x_get_glyph_face_and_encoding (f, glyph, &char2b, NULL); | |
791f420f | 2686 | font = face->font; |
9ef2e2cf | 2687 | |
93ff4395 | 2688 | if (font |
9ef2e2cf JR |
2689 | && (pcm = w32_per_char_metric (hdc, font, &char2b, |
2690 | glyph->w32_font_type))) | |
791f420f | 2691 | { |
791f420f JR |
2692 | if (pcm->rbearing > pcm->width) |
2693 | *right = pcm->rbearing - pcm->width; | |
2694 | if (pcm->lbearing < 0) | |
2695 | *left = -pcm->lbearing; | |
93ff4395 | 2696 | xfree (pcm); |
791f420f JR |
2697 | } |
2698 | } | |
791f420f JR |
2699 | } |
2700 | ||
2701 | ||
2702 | static void | |
2703 | x_get_glyph_overhangs (glyph, f, left, right) | |
2704 | struct glyph *glyph; | |
2705 | struct frame *f; | |
2706 | int *left, *right; | |
2707 | { | |
2708 | HDC hdc = get_frame_dc (f); | |
9ef2e2cf JR |
2709 | /* Convert to unicode! */ |
2710 | w32_get_glyph_overhangs (hdc, glyph, f, left, right); | |
791f420f JR |
2711 | release_frame_dc (f, hdc); |
2712 | } | |
2713 | ||
2714 | ||
2715 | /* Return the index of the first glyph preceding glyph string S that | |
2716 | is overwritten by S because of S's left overhang. Value is -1 | |
2717 | if no glyphs are overwritten. */ | |
2718 | ||
2719 | static int | |
2720 | x_left_overwritten (s) | |
2721 | struct glyph_string *s; | |
2722 | { | |
2723 | int k; | |
2724 | ||
2725 | if (s->left_overhang) | |
2726 | { | |
2727 | int x = 0, i; | |
2728 | struct glyph *glyphs = s->row->glyphs[s->area]; | |
2729 | int first = s->first_glyph - glyphs; | |
2730 | ||
2731 | for (i = first - 1; i >= 0 && x > -s->left_overhang; --i) | |
2732 | x -= glyphs[i].pixel_width; | |
2733 | ||
2734 | k = i + 1; | |
2735 | } | |
2736 | else | |
2737 | k = -1; | |
2738 | ||
2739 | return k; | |
2740 | } | |
2741 | ||
2742 | ||
2743 | /* Return the index of the first glyph preceding glyph string S that | |
2744 | is overwriting S because of its right overhang. Value is -1 if no | |
2745 | glyph in front of S overwrites S. */ | |
2746 | ||
2747 | static int | |
2748 | x_left_overwriting (s) | |
2749 | struct glyph_string *s; | |
2750 | { | |
2751 | int i, k, x; | |
2752 | struct glyph *glyphs = s->row->glyphs[s->area]; | |
2753 | int first = s->first_glyph - glyphs; | |
2754 | ||
2755 | k = -1; | |
2756 | x = 0; | |
2757 | for (i = first - 1; i >= 0; --i) | |
2758 | { | |
2759 | int left, right; | |
9ef2e2cf | 2760 | w32_get_glyph_overhangs (s->hdc, glyphs + i, s->f, &left, &right); |
791f420f JR |
2761 | if (x + right > 0) |
2762 | k = i; | |
2763 | x -= glyphs[i].pixel_width; | |
2764 | } | |
2765 | ||
2766 | return k; | |
2767 | } | |
2768 | ||
2769 | ||
2770 | /* Return the index of the last glyph following glyph string S that is | |
2771 | not overwritten by S because of S's right overhang. Value is -1 if | |
2772 | no such glyph is found. */ | |
2773 | ||
2774 | static int | |
2775 | x_right_overwritten (s) | |
2776 | struct glyph_string *s; | |
2777 | { | |
2778 | int k = -1; | |
2779 | ||
2780 | if (s->right_overhang) | |
2781 | { | |
2782 | int x = 0, i; | |
2783 | struct glyph *glyphs = s->row->glyphs[s->area]; | |
2784 | int first = (s->first_glyph - glyphs) + (s->cmp ? 1 : s->nchars); | |
2785 | int end = s->row->used[s->area]; | |
2786 | ||
2787 | for (i = first; i < end && s->right_overhang > x; ++i) | |
2788 | x += glyphs[i].pixel_width; | |
2789 | ||
2790 | k = i; | |
2791 | } | |
2792 | ||
2793 | return k; | |
2794 | } | |
2795 | ||
2796 | ||
2797 | /* Return the index of the last glyph following glyph string S that | |
2798 | overwrites S because of its left overhang. Value is negative | |
2799 | if no such glyph is found. */ | |
2800 | ||
2801 | static int | |
2802 | x_right_overwriting (s) | |
2803 | struct glyph_string *s; | |
2804 | { | |
2805 | int i, k, x; | |
2806 | int end = s->row->used[s->area]; | |
2807 | struct glyph *glyphs = s->row->glyphs[s->area]; | |
2808 | int first = (s->first_glyph - glyphs) + (s->cmp ? 1 : s->nchars); | |
2809 | ||
2810 | k = -1; | |
2811 | x = 0; | |
2812 | for (i = first; i < end; ++i) | |
2813 | { | |
2814 | int left, right; | |
9ef2e2cf | 2815 | w32_get_glyph_overhangs (s->hdc, glyphs + i, s->f, &left, &right); |
791f420f JR |
2816 | if (x - left < 0) |
2817 | k = i; | |
2818 | x += glyphs[i].pixel_width; | |
2819 | } | |
2820 | ||
2821 | return k; | |
2822 | } | |
2823 | ||
2824 | ||
2825 | /* Fill rectangle X, Y, W, H with background color of glyph string S. */ | |
2826 | ||
2827 | static INLINE void | |
2828 | x_clear_glyph_string_rect (s, x, y, w, h) | |
2829 | struct glyph_string *s; | |
2830 | int x, y, w, h; | |
2831 | { | |
2832 | int real_x = x; | |
2833 | int real_y = y; | |
2834 | int real_w = w; | |
2835 | int real_h = h; | |
2836 | #if 0 | |
2837 | /* Take clipping into account. */ | |
2838 | if (s->gc->clip_mask == Rect) | |
2839 | { | |
2840 | real_x = max (real_x, s->gc->clip_rectangle.left); | |
2841 | real_y = max (real_y, s->gc->clip_rectangle.top); | |
2842 | real_w = min (real_w, s->gc->clip_rectangle.right | |
2843 | - s->gc->clip_rectangle.left); | |
2844 | real_h = min (real_h, s->gc->clip_rectangle.bottom | |
2845 | - s->gc->clip_rectangle.top); | |
2846 | } | |
2847 | #endif | |
2848 | w32_fill_area (s->f, s->hdc, s->gc->background, real_x, real_y, | |
2849 | real_w, real_h); | |
2850 | } | |
2851 | ||
2852 | ||
2853 | /* Draw the background of glyph_string S. If S->background_filled_p | |
2854 | is non-zero don't draw it. FORCE_P non-zero means draw the | |
2855 | background even if it wouldn't be drawn normally. This is used | |
2856 | when a string preceding S draws into the background of S, or S | |
2857 | contains the first component of a composition. */ | |
2858 | ||
2859 | static void | |
2860 | x_draw_glyph_string_background (s, force_p) | |
2861 | struct glyph_string *s; | |
2862 | int force_p; | |
2863 | { | |
2864 | /* Nothing to do if background has already been drawn or if it | |
2865 | shouldn't be drawn in the first place. */ | |
2866 | if (!s->background_filled_p) | |
2867 | { | |
2868 | #if 0 /* NTEMACS_TODO: stipple */ | |
2869 | if (s->stippled_p) | |
2870 | { | |
2871 | /* Fill background with a stipple pattern. */ | |
2872 | XSetFillStyle (s->display, s->gc, FillOpaqueStippled); | |
2873 | XFillRectangle (s->display, s->window, s->gc, s->x, | |
2874 | s->y + s->face->box_line_width, | |
2875 | s->background_width, | |
2876 | s->height - 2 * s->face->box_line_width); | |
2877 | XSetFillStyle (s->display, s->gc, FillSolid); | |
2878 | s->background_filled_p = 1; | |
2879 | } | |
2880 | else | |
2881 | #endif | |
2882 | if (FONT_HEIGHT (s->font) < s->height - 2 * s->face->box_line_width | |
2883 | || s->font_not_found_p | |
2884 | || s->extends_to_end_of_line_p | |
2885 | || force_p) | |
2886 | { | |
2887 | x_clear_glyph_string_rect (s, s->x, s->y + s->face->box_line_width, | |
2888 | s->background_width, | |
2889 | s->height - 2 * s->face->box_line_width); | |
2890 | s->background_filled_p = 1; | |
2891 | } | |
2892 | } | |
2893 | } | |
2894 | ||
2895 | ||
2896 | /* Draw the foreground of glyph string S. */ | |
2897 | ||
2898 | static void | |
2899 | x_draw_glyph_string_foreground (s) | |
2900 | struct glyph_string *s; | |
2901 | { | |
2902 | int i, x; | |
2903 | ||
2904 | /* If first glyph of S has a left box line, start drawing the text | |
2905 | of S to the right of that box line. */ | |
2906 | if (s->face->box != FACE_NO_BOX | |
2907 | && s->first_glyph->left_box_line_p) | |
2908 | x = s->x + s->face->box_line_width; | |
2909 | else | |
2910 | x = s->x; | |
2911 | ||
2912 | if (s->for_overlaps_p || (s->background_filled_p && s->hl != DRAW_CURSOR)) | |
2913 | SetBkMode (s->hdc, TRANSPARENT); | |
2914 | else | |
2915 | SetBkMode (s->hdc, OPAQUE); | |
2916 | ||
2917 | SetTextColor (s->hdc, s->gc->foreground); | |
2918 | SetBkColor (s->hdc, s->gc->background); | |
2919 | SetTextAlign (s->hdc, TA_BASELINE | TA_LEFT); | |
2920 | ||
2921 | if (s->font && s->font->hfont) | |
2922 | SelectObject (s->hdc, s->font->hfont); | |
2923 | ||
2924 | /* Draw characters of S as rectangles if S's font could not be | |
2925 | loaded. */ | |
2926 | if (s->font_not_found_p) | |
2927 | { | |
2928 | for (i = 0; i < s->nchars; ++i) | |
2929 | { | |
2930 | struct glyph *g = s->first_glyph + i; | |
2931 | ||
2932 | w32_draw_rectangle (s->hdc, s->gc, x, s->y, g->pixel_width - 1, | |
2933 | s->height - 1); | |
2934 | x += g->pixel_width; | |
2935 | } | |
2936 | } | |
2937 | else | |
2938 | { | |
2939 | char *char1b = (char *) s->char2b; | |
2940 | int boff = s->font_info->baseline_offset; | |
2941 | ||
2942 | if (s->font_info->vertical_centering) | |
2943 | boff = VCENTER_BASELINE_OFFSET (s->font, s->f) - boff; | |
2944 | ||
2945 | /* If we can use 8-bit functions, condense S->char2b. */ | |
2946 | if (!s->two_byte_p) | |
2947 | for (i = 0; i < s->nchars; ++i) | |
2948 | char1b[i] = BYTE2 (s->char2b[i]); | |
2949 | ||
2950 | /* Draw text with TextOut and friends. */ | |
2951 | W32_TEXTOUT (s, x, s->ybase - boff, s->char2b, s->nchars); | |
2952 | } | |
2953 | } | |
2954 | ||
2955 | /* Draw the foreground of composite glyph string S. */ | |
2956 | ||
2957 | static void | |
2958 | x_draw_composite_glyph_string_foreground (s) | |
2959 | struct glyph_string *s; | |
2960 | { | |
2961 | int i, x; | |
2962 | ||
2963 | /* If first glyph of S has a left box line, start drawing the text | |
2964 | of S to the right of that box line. */ | |
2965 | if (s->face->box != FACE_NO_BOX | |
2966 | && s->first_glyph->left_box_line_p) | |
2967 | x = s->x + s->face->box_line_width; | |
2968 | else | |
2969 | x = s->x; | |
2970 | ||
2971 | /* S is a glyph string for a composition. S->gidx is the index of | |
2972 | the first character drawn for glyphs of this composition. | |
2973 | S->gidx == 0 means we are drawing the very first character of | |
2974 | this composition. */ | |
2975 | ||
2976 | SetTextColor (s->hdc, s->gc->foreground); | |
2977 | SetBkColor (s->hdc, s->gc->background); | |
2978 | SetBkMode (s->hdc, TRANSPARENT); | |
2979 | SetTextAlign (s->hdc, TA_BASELINE | TA_LEFT); | |
2980 | ||
2981 | /* Draw a rectangle for the composition if the font for the very | |
2982 | first character of the composition could not be loaded. */ | |
2983 | if (s->font_not_found_p) | |
2984 | { | |
2985 | if (s->gidx == 0) | |
2986 | w32_draw_rectangle (s->hdc, s->gc, x, s->y, s->width - 1, | |
2987 | s->height - 1); | |
2988 | } | |
2989 | else | |
2990 | { | |
2991 | for (i = 0; i < s->nchars; i++, ++s->gidx) | |
2992 | W32_TEXTOUT (s, x + s->cmp->offsets[s->gidx * 2], | |
2993 | s->ybase - s->cmp->offsets[s->gidx * 2 + 1], | |
2994 | s->char2b + i, 1); | |
2995 | } | |
2996 | } | |
2997 | ||
2998 | /* Allocate a color which is lighter or darker than *COLOR by FACTOR | |
2999 | or DELTA. Try a color with RGB values multiplied by FACTOR first. | |
3000 | If this produces the same color as COLOR, try a color where all RGB | |
3001 | values have DELTA added. Return the allocated color in *COLOR. | |
3002 | DISPLAY is the X display, CMAP is the colormap to operate on. | |
3003 | Value is non-zero if successful. */ | |
3004 | ||
3005 | static int | |
3006 | w32_alloc_lighter_color (f, color, factor, delta) | |
3007 | struct frame *f; | |
3008 | COLORREF *color; | |
3009 | double factor; | |
3010 | int delta; | |
3011 | { | |
3012 | COLORREF new; | |
3013 | ||
3014 | /* Change RGB values by specified FACTOR. Avoid overflow! */ | |
3015 | xassert (factor >= 0); | |
3016 | new = PALETTERGB (min (0xff, factor * GetRValue (*color)), | |
3017 | min (0xff, factor * GetGValue (*color)), | |
3018 | min (0xff, factor * GetBValue (*color))); | |
3019 | if (new == *color) | |
3020 | new = PALETTERGB (max (0, min (0xff, delta + GetRValue (*color))), | |
3021 | max (0, min (0xff, delta + GetGValue (*color))), | |
3022 | max (0, min (0xff, delta + GetBValue (*color)))); | |
3023 | ||
93ff4395 JR |
3024 | /* NTEMACS_TODO: Map to palette and retry with delta if same? */ |
3025 | /* NTEMACS_TODO: Free colors (if using palette)? */ | |
3026 | ||
791f420f JR |
3027 | if (new == *color) |
3028 | return 0; | |
3029 | ||
3030 | *color = new; | |
3031 | ||
3032 | return 1; | |
3033 | } | |
3034 | ||
3035 | ||
3036 | /* Set up the foreground color for drawing relief lines of glyph | |
3037 | string S. RELIEF is a pointer to a struct relief containing the GC | |
3038 | with which lines will be drawn. Use a color that is FACTOR or | |
3039 | DELTA lighter or darker than the relief's background which is found | |
3040 | in S->f->output_data.x->relief_background. If such a color cannot | |
3041 | be allocated, use DEFAULT_PIXEL, instead. */ | |
3042 | ||
3043 | static void | |
3044 | w32_setup_relief_color (f, relief, factor, delta, default_pixel) | |
3045 | struct frame *f; | |
3046 | struct relief *relief; | |
3047 | double factor; | |
3048 | int delta; | |
3049 | COLORREF default_pixel; | |
3050 | { | |
3051 | XGCValues xgcv; | |
3052 | struct w32_output *di = f->output_data.w32; | |
3053 | unsigned long mask = GCForeground; | |
3054 | COLORREF pixel; | |
3055 | COLORREF background = di->relief_background; | |
3056 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); | |
3057 | ||
93ff4395 JR |
3058 | /* NTEMACS_TODO: Free colors (if using palette)? */ |
3059 | ||
791f420f JR |
3060 | /* Allocate new color. */ |
3061 | xgcv.foreground = default_pixel; | |
3062 | pixel = background; | |
3063 | if (w32_alloc_lighter_color (f, &pixel, factor, delta)) | |
3064 | { | |
3065 | relief->allocated_p = 1; | |
3066 | xgcv.foreground = relief->pixel = pixel; | |
3067 | } | |
3068 | ||
3069 | if (relief->gc == 0) | |
3070 | { | |
3071 | #if 0 /* NTEMACS_TODO: stipple */ | |
3072 | xgcv.stipple = dpyinfo->gray; | |
3073 | mask |= GCStipple; | |
3074 | #endif | |
3075 | relief->gc = XCreateGC (NULL, FRAME_W32_WINDOW (f), mask, &xgcv); | |
3076 | } | |
3077 | else | |
3078 | XChangeGC (NULL, relief->gc, mask, &xgcv); | |
3079 | } | |
3080 | ||
3081 | ||
3082 | /* Set up colors for the relief lines around glyph string S. */ | |
3083 | ||
3084 | static void | |
3085 | x_setup_relief_colors (s) | |
3086 | struct glyph_string *s; | |
3087 | { | |
3088 | struct w32_output *di = s->f->output_data.w32; | |
3089 | COLORREF color; | |
3090 | ||
3091 | if (s->face->use_box_color_for_shadows_p) | |
3092 | color = s->face->box_color; | |
3093 | else | |
3094 | color = s->gc->background; | |
3095 | ||
3096 | if (di->white_relief.gc == 0 | |
3097 | || color != di->relief_background) | |
3098 | { | |
3099 | di->relief_background = color; | |
3100 | w32_setup_relief_color (s->f, &di->white_relief, 1.2, 0x8000, | |
3101 | WHITE_PIX_DEFAULT (s->f)); | |
3102 | w32_setup_relief_color (s->f, &di->black_relief, 0.6, 0x4000, | |
3103 | BLACK_PIX_DEFAULT (s->f)); | |
3104 | } | |
3105 | } | |
3106 | ||
3107 | ||
3108 | /* Draw a relief on frame F inside the rectangle given by LEFT_X, | |
3109 | TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief | |
3110 | to draw, it must be >= 0. RAISED_P non-zero means draw a raised | |
3111 | relief. LEFT_P non-zero means draw a relief on the left side of | |
3112 | the rectangle. RIGHT_P non-zero means draw a relief on the right | |
3113 | side of the rectangle. CLIP_RECT is the clipping rectangle to use | |
3114 | when drawing. */ | |
3115 | ||
3116 | static void | |
3117 | w32_draw_relief_rect (f, left_x, top_y, right_x, bottom_y, width, | |
3118 | raised_p, left_p, right_p, clip_rect) | |
3119 | struct frame *f; | |
3120 | int left_x, top_y, right_x, bottom_y, left_p, right_p, raised_p; | |
3121 | RECT *clip_rect; | |
3122 | { | |
3123 | int i; | |
3124 | XGCValues gc; | |
3125 | HDC hdc = get_frame_dc (f); | |
3126 | ||
3127 | if (raised_p) | |
3128 | gc.foreground = PALETTERGB (255, 255, 255); | |
3129 | else | |
3130 | gc.foreground = PALETTERGB (0, 0, 0); | |
3131 | ||
3132 | w32_set_clip_rectangle (hdc, clip_rect); | |
3133 | ||
3134 | /* Top. */ | |
3135 | for (i = 0; i < width; ++i) | |
3136 | { | |
3137 | w32_fill_area (f, hdc, gc.foreground, | |
3138 | left_x + i * left_p, top_y + i, | |
3139 | (right_x + 1 - i * right_p) - (left_x + i * left_p), 1); | |
3140 | } | |
3141 | ||
3142 | /* Left. */ | |
3143 | if (left_p) | |
3144 | for (i = 0; i < width; ++i) | |
3145 | { | |
3146 | w32_fill_area (f, hdc, gc.foreground, | |
3147 | left_x + i, top_y + i, 1, | |
3148 | (bottom_y - i) - (top_y + i)); | |
3149 | } | |
3150 | ||
3151 | w32_set_clip_rectangle (hdc, NULL); | |
3152 | ||
3153 | if (raised_p) | |
3154 | gc.foreground = PALETTERGB (0, 0, 0); | |
3155 | else | |
3156 | gc.foreground = PALETTERGB (255, 255, 255); | |
3157 | ||
3158 | w32_set_clip_rectangle (hdc, clip_rect); | |
3159 | ||
3160 | /* Bottom. */ | |
3161 | for (i = 0; i < width; ++i) | |
3162 | { | |
3163 | w32_fill_area (f, hdc, gc.foreground, | |
3164 | left_x + i * left_p, bottom_y - i, | |
3165 | (right_x + 1 - i * right_p) - left_x + i * left_p, 1); | |
3166 | } | |
3167 | ||
3168 | /* Right. */ | |
3169 | if (right_p) | |
3170 | for (i = 0; i < width; ++i) | |
3171 | { | |
3172 | w32_fill_area (f, hdc, gc.foreground, | |
3173 | right_x - i, top_y + i + 1, 1, | |
3174 | (bottom_y - i) - (top_y + i + 1)); | |
3175 | } | |
3176 | ||
3177 | w32_set_clip_rectangle (hdc, NULL); | |
3178 | ||
3179 | release_frame_dc (f, hdc); | |
3180 | } | |
3181 | ||
3182 | ||
3183 | /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y, | |
3184 | RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to | |
3185 | draw, it must be >= 0. LEFT_P non-zero means draw a line on the | |
3186 | left side of the rectangle. RIGHT_P non-zero means draw a line | |
3187 | on the right side of the rectangle. CLIP_RECT is the clipping | |
3188 | rectangle to use when drawing. */ | |
3189 | ||
3190 | static void | |
3191 | w32_draw_box_rect (s, left_x, top_y, right_x, bottom_y, width, | |
3192 | left_p, right_p, clip_rect) | |
3193 | struct glyph_string *s; | |
3194 | int left_x, top_y, right_x, bottom_y, width, left_p, right_p; | |
3195 | RECT *clip_rect; | |
3196 | { | |
00fe468b | 3197 | w32_set_clip_rectangle (s->hdc, clip_rect); |
791f420f JR |
3198 | |
3199 | /* Top. */ | |
00fe468b | 3200 | w32_fill_area (s->f, s->hdc, s->face->box_color, |
791f420f JR |
3201 | left_x, top_y, right_x - left_x, width); |
3202 | ||
3203 | /* Left. */ | |
3204 | if (left_p) | |
3205 | { | |
00fe468b | 3206 | w32_fill_area (s->f, s->hdc, s->face->box_color, |
791f420f JR |
3207 | left_x, top_y, width, bottom_y - top_y); |
3208 | } | |
3209 | ||
3210 | /* Bottom. */ | |
00fe468b | 3211 | w32_fill_area (s->f, s->hdc, s->face->box_color, |
791f420f JR |
3212 | left_x, bottom_y - width, right_x - left_x, width); |
3213 | ||
3214 | /* Right. */ | |
3215 | if (right_p) | |
3216 | { | |
00fe468b | 3217 | w32_fill_area (s->f, s->hdc, s->face->box_color, |
791f420f JR |
3218 | right_x - width, top_y, width, bottom_y - top_y); |
3219 | } | |
3220 | ||
00fe468b | 3221 | w32_set_clip_rectangle (s->hdc, NULL); |
791f420f JR |
3222 | } |
3223 | ||
3224 | ||
3225 | /* Draw a box around glyph string S. */ | |
3226 | ||
3227 | static void | |
3228 | x_draw_glyph_string_box (s) | |
3229 | struct glyph_string *s; | |
3230 | { | |
3231 | int width, left_x, right_x, top_y, bottom_y, last_x, raised_p; | |
3232 | int left_p, right_p; | |
3233 | struct glyph *last_glyph; | |
3234 | RECT clip_rect; | |
3235 | ||
3236 | last_x = window_box_right (s->w, s->area); | |
3237 | if (s->row->full_width_p | |
3238 | && !s->w->pseudo_window_p) | |
3239 | { | |
3240 | last_x += FRAME_X_RIGHT_FLAGS_AREA_WIDTH (s->f); | |
3241 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (s->f)) | |
3242 | last_x += FRAME_SCROLL_BAR_WIDTH (s->f) * CANON_X_UNIT (s->f); | |
3243 | } | |
3244 | ||
3245 | /* The glyph that may have a right box line. */ | |
3246 | last_glyph = (s->cmp || s->img | |
3247 | ? s->first_glyph | |
3248 | : s->first_glyph + s->nchars - 1); | |
3249 | ||
3250 | width = s->face->box_line_width; | |
3251 | raised_p = s->face->box == FACE_RAISED_BOX; | |
3252 | left_x = s->x; | |
3253 | right_x = ((s->row->full_width_p | |
3254 | ? last_x - 1 | |
3255 | : min (last_x, s->x + s->background_width) - 1)); | |
3256 | top_y = s->y; | |
3257 | bottom_y = top_y + s->height - 1; | |
3258 | ||
3259 | left_p = (s->first_glyph->left_box_line_p | |
3260 | || (s->hl == DRAW_MOUSE_FACE | |
3261 | && (s->prev == NULL | |
3262 | || s->prev->hl != s->hl))); | |
3263 | right_p = (last_glyph->right_box_line_p | |
3264 | || (s->hl == DRAW_MOUSE_FACE | |
3265 | && (s->next == NULL | |
3266 | || s->next->hl != s->hl))); | |
3267 | ||
3268 | w32_get_glyph_string_clip_rect (s, &clip_rect); | |
3269 | ||
3270 | if (s->face->box == FACE_SIMPLE_BOX) | |
3271 | w32_draw_box_rect (s, left_x, top_y, right_x, bottom_y, width, | |
3272 | left_p, right_p, &clip_rect); | |
3273 | else | |
3274 | { | |
3275 | x_setup_relief_colors (s); | |
3276 | w32_draw_relief_rect (s->f, left_x, top_y, right_x, bottom_y, | |
3277 | width, raised_p, left_p, right_p, &clip_rect); | |
3278 | } | |
3279 | } | |
3280 | ||
3281 | ||
3282 | /* Draw foreground of image glyph string S. */ | |
3283 | ||
3284 | static void | |
3285 | x_draw_image_foreground (s) | |
3286 | struct glyph_string *s; | |
3287 | { | |
3288 | int x; | |
9ef2e2cf | 3289 | int y = s->ybase - image_ascent (s->img, s->face); |
791f420f JR |
3290 | |
3291 | /* If first glyph of S has a left box line, start drawing it to the | |
3292 | right of that line. */ | |
3293 | if (s->face->box != FACE_NO_BOX | |
3294 | && s->first_glyph->left_box_line_p) | |
3295 | x = s->x + s->face->box_line_width; | |
3296 | else | |
3297 | x = s->x; | |
3298 | ||
3299 | /* If there is a margin around the image, adjust x- and y-position | |
3300 | by that margin. */ | |
3301 | if (s->img->margin) | |
3302 | { | |
3303 | x += s->img->margin; | |
3304 | y += s->img->margin; | |
3305 | } | |
3306 | ||
3307 | SaveDC (s->hdc); | |
3308 | ||
3309 | if (s->img->pixmap) | |
3310 | { | |
3311 | #if 0 /* NTEMACS_TODO: image mask */ | |
3312 | if (s->img->mask) | |
3313 | { | |
3314 | /* We can't set both a clip mask and use XSetClipRectangles | |
3315 | because the latter also sets a clip mask. We also can't | |
3316 | trust on the shape extension to be available | |
3317 | (XShapeCombineRegion). So, compute the rectangle to draw | |
3318 | manually. */ | |
3319 | unsigned long mask = (GCClipMask | GCClipXOrigin | GCClipYOrigin | |
3320 | | GCFunction); | |
3321 | XGCValues xgcv; | |
3322 | XRectangle clip_rect, image_rect, r; | |
3323 | ||
3324 | xgcv.clip_mask = s->img->mask; | |
3325 | xgcv.clip_x_origin = x; | |
3326 | xgcv.clip_y_origin = y; | |
3327 | xgcv.function = GXcopy; | |
3328 | XChangeGC (s->display, s->gc, mask, &xgcv); | |
3329 | ||
3330 | w32_get_glyph_string_clip_rect (s, &clip_rect); | |
3331 | image_rect.x = x; | |
3332 | image_rect.y = y; | |
3333 | image_rect.width = s->img->width; | |
3334 | image_rect.height = s->img->height; | |
3335 | if (w32_intersect_rectangles (&clip_rect, &image_rect, &r)) | |
3336 | XCopyArea (s->display, s->img->pixmap, s->window, s->gc, | |
3337 | r.x - x, r.y - y, r.width, r.height, r.x, r.y); | |
3338 | } | |
3339 | else | |
3340 | #endif | |
3341 | { | |
3342 | HDC compat_hdc = CreateCompatibleDC (s->hdc); | |
3343 | HBRUSH fg_brush = CreateSolidBrush (s->gc->foreground); | |
3344 | HBRUSH orig_brush = SelectObject (s->hdc, fg_brush); | |
3345 | HGDIOBJ orig_obj = SelectObject (compat_hdc, s->img->pixmap); | |
3346 | ||
3347 | SetTextColor (s->hdc, s->gc->foreground); | |
3348 | SetBkColor (s->hdc, s->gc->background); | |
3349 | #if 0 /* From w32bdf.c (which is from Meadow). */ | |
3350 | BitBlt (s->hdc, x, y, s->img->width, s->img->height, | |
3351 | compat_hdc, 0, 0, SRCCOPY); | |
3352 | #else | |
3353 | BitBlt (s->hdc, x, y, s->img->width, s->img->height, | |
3354 | compat_hdc, 0, 0, 0xB8074A); | |
3355 | #endif | |
3356 | SelectObject (s->hdc, orig_brush); | |
3357 | DeleteObject (fg_brush); | |
3358 | SelectObject (compat_hdc, orig_obj); | |
3359 | DeleteDC (compat_hdc); | |
3360 | ||
3361 | /* When the image has a mask, we can expect that at | |
3362 | least part of a mouse highlight or a block cursor will | |
3363 | be visible. If the image doesn't have a mask, make | |
3364 | a block cursor visible by drawing a rectangle around | |
3365 | the image. I believe it's looking better if we do | |
3366 | nothing here for mouse-face. */ | |
3367 | if (s->hl == DRAW_CURSOR) | |
3368 | w32_draw_rectangle (s->hdc, s->gc, x, y, s->img->width - 1, | |
3369 | s->img->height - 1); | |
3370 | } | |
3371 | } | |
3372 | else | |
3373 | w32_draw_rectangle (s->hdc, s->gc, x, y, s->img->width -1, | |
3374 | s->img->height - 1); | |
ee78dc32 | 3375 | |
791f420f JR |
3376 | RestoreDC (s->hdc ,-1); |
3377 | } | |
ee78dc32 | 3378 | |
791f420f JR |
3379 | |
3380 | ||
3381 | /* Draw a relief around the image glyph string S. */ | |
3382 | ||
3383 | static void | |
3384 | x_draw_image_relief (s) | |
3385 | struct glyph_string *s; | |
3386 | { | |
3387 | int x0, y0, x1, y1, thick, raised_p; | |
3388 | RECT r; | |
3389 | int x; | |
9ef2e2cf JR |
3390 | int y = s->ybase - image_ascent (s->img, s->face); |
3391 | ||
791f420f JR |
3392 | /* If first glyph of S has a left box line, start drawing it to the |
3393 | right of that line. */ | |
3394 | if (s->face->box != FACE_NO_BOX | |
3395 | && s->first_glyph->left_box_line_p) | |
3396 | x = s->x + s->face->box_line_width; | |
3397 | else | |
3398 | x = s->x; | |
3399 | ||
3400 | /* If there is a margin around the image, adjust x- and y-position | |
3401 | by that margin. */ | |
3402 | if (s->img->margin) | |
3403 | { | |
3404 | x += s->img->margin; | |
3405 | y += s->img->margin; | |
3406 | } | |
3407 | ||
3408 | if (s->hl == DRAW_IMAGE_SUNKEN | |
3409 | || s->hl == DRAW_IMAGE_RAISED) | |
3410 | { | |
3411 | thick = tool_bar_button_relief > 0 ? tool_bar_button_relief : 3; | |
3412 | raised_p = s->hl == DRAW_IMAGE_RAISED; | |
3413 | } | |
3414 | else | |
ee78dc32 | 3415 | { |
791f420f JR |
3416 | thick = abs (s->img->relief); |
3417 | raised_p = s->img->relief > 0; | |
3418 | } | |
3419 | ||
3420 | x0 = x - thick; | |
3421 | y0 = y - thick; | |
3422 | x1 = x + s->img->width + thick - 1; | |
3423 | y1 = y + s->img->height + thick - 1; | |
3424 | ||
3425 | x_setup_relief_colors (s); | |
3426 | w32_get_glyph_string_clip_rect (s, &r); | |
3427 | w32_draw_relief_rect (s->f, x0, y0, x1, y1, thick, raised_p, 1, 1, &r); | |
3428 | } | |
ee78dc32 | 3429 | |
791f420f JR |
3430 | |
3431 | /* Draw the foreground of image glyph string S to PIXMAP. */ | |
3432 | ||
3433 | static void | |
3434 | w32_draw_image_foreground_1 (s, pixmap) | |
3435 | struct glyph_string *s; | |
3436 | HBITMAP pixmap; | |
3437 | { | |
3438 | HDC hdc = CreateCompatibleDC (s->hdc); | |
3439 | HGDIOBJ orig_hdc_obj = SelectObject (hdc, pixmap); | |
3440 | int x; | |
9ef2e2cf | 3441 | int y = s->ybase - s->y - image_ascent (s->img, s->face); |
791f420f JR |
3442 | |
3443 | /* If first glyph of S has a left box line, start drawing it to the | |
3444 | right of that line. */ | |
3445 | if (s->face->box != FACE_NO_BOX | |
3446 | && s->first_glyph->left_box_line_p) | |
3447 | x = s->face->box_line_width; | |
3448 | else | |
3449 | x = 0; | |
3450 | ||
3451 | /* If there is a margin around the image, adjust x- and y-position | |
3452 | by that margin. */ | |
3453 | if (s->img->margin) | |
3454 | { | |
3455 | x += s->img->margin; | |
3456 | y += s->img->margin; | |
3457 | } | |
3458 | ||
3459 | if (s->img->pixmap) | |
3460 | { | |
3461 | #if 0 /* NTEMACS_TODO: image mask */ | |
3462 | if (s->img->mask) | |
3463 | { | |
3464 | /* We can't set both a clip mask and use XSetClipRectangles | |
3465 | because the latter also sets a clip mask. We also can't | |
3466 | trust on the shape extension to be available | |
3467 | (XShapeCombineRegion). So, compute the rectangle to draw | |
3468 | manually. */ | |
3469 | unsigned long mask = (GCClipMask | GCClipXOrigin | GCClipYOrigin | |
3470 | | GCFunction); | |
3471 | XGCValues xgcv; | |
3472 | ||
3473 | xgcv.clip_mask = s->img->mask; | |
3474 | xgcv.clip_x_origin = x; | |
3475 | xgcv.clip_y_origin = y; | |
3476 | xgcv.function = GXcopy; | |
3477 | XChangeGC (s->display, s->gc, mask, &xgcv); | |
3478 | ||
3479 | XCopyArea (s->display, s->img->pixmap, pixmap, s->gc, | |
3480 | 0, 0, s->img->width, s->img->height, x, y); | |
3481 | XSetClipMask (s->display, s->gc, None); | |
3482 | } | |
3483 | else | |
3484 | #endif | |
ef0e360f | 3485 | { |
791f420f JR |
3486 | HDC compat_hdc = CreateCompatibleDC (hdc); |
3487 | HBRUSH fg_brush = CreateSolidBrush (s->gc->foreground); | |
3488 | HBRUSH orig_brush = SelectObject (hdc, fg_brush); | |
3489 | HGDIOBJ orig_obj = SelectObject (compat_hdc, s->img->pixmap); | |
3490 | ||
3491 | SetTextColor (hdc, s->gc->foreground); | |
3492 | SetBkColor (hdc, s->gc->background); | |
3493 | #if 0 /* From w32bdf.c (which is from Meadow). */ | |
3494 | BitBlt (hdc, x, y, s->img->width, s->img->height, | |
3495 | compat_hdc, 0, 0, SRCCOPY); | |
3496 | #else | |
3497 | BitBlt (hdc, x, y, s->img->width, s->img->height, | |
3498 | compat_hdc, 0, 0, 0xB8074A); | |
3499 | #endif | |
3500 | SelectObject (hdc, orig_brush); | |
3501 | DeleteObject (fg_brush); | |
3502 | SelectObject (compat_hdc, orig_obj); | |
3503 | DeleteDC (compat_hdc); | |
3504 | ||
3505 | /* When the image has a mask, we can expect that at | |
3506 | least part of a mouse highlight or a block cursor will | |
3507 | be visible. If the image doesn't have a mask, make | |
3508 | a block cursor visible by drawing a rectangle around | |
3509 | the image. I believe it's looking better if we do | |
3510 | nothing here for mouse-face. */ | |
3511 | if (s->hl == DRAW_CURSOR) | |
3512 | w32_draw_rectangle (hdc, s->gc, x, y, s->img->width - 1, | |
3513 | s->img->height - 1); | |
ef0e360f | 3514 | } |
791f420f JR |
3515 | } |
3516 | else | |
3517 | w32_draw_rectangle (hdc, s->gc, x, y, s->img->width - 1, | |
3518 | s->img->height - 1); | |
3519 | ||
3520 | SelectObject (hdc, orig_hdc_obj); | |
3521 | DeleteDC (hdc); | |
3522 | } | |
3523 | ||
3524 | ||
3525 | /* Draw part of the background of glyph string S. X, Y, W, and H | |
3526 | give the rectangle to draw. */ | |
3527 | ||
3528 | static void | |
3529 | x_draw_glyph_string_bg_rect (s, x, y, w, h) | |
3530 | struct glyph_string *s; | |
3531 | int x, y, w, h; | |
3532 | { | |
3533 | #if 0 /* NTEMACS_TODO: stipple */ | |
3534 | if (s->stippled_p) | |
3535 | { | |
3536 | /* Fill background with a stipple pattern. */ | |
3537 | XSetFillStyle (s->display, s->gc, FillOpaqueStippled); | |
3538 | XFillRectangle (s->display, s->window, s->gc, x, y, w, h); | |
3539 | XSetFillStyle (s->display, s->gc, FillSolid); | |
3540 | } | |
3541 | else | |
3542 | #endif | |
3543 | x_clear_glyph_string_rect (s, x, y, w, h); | |
3544 | } | |
3545 | ||
3546 | ||
3547 | /* Draw image glyph string S. | |
3548 | ||
3549 | s->y | |
3550 | s->x +------------------------- | |
3551 | | s->face->box | |
3552 | | | |
3553 | | +------------------------- | |
3554 | | | s->img->margin | |
3555 | | | | |
3556 | | | +------------------- | |
3557 | | | | the image | |
cabb23bc | 3558 | |
791f420f JR |
3559 | */ |
3560 | ||
3561 | static void | |
3562 | x_draw_image_glyph_string (s) | |
3563 | struct glyph_string *s; | |
3564 | { | |
3565 | int x, y; | |
3566 | int box_line_width = s->face->box_line_width; | |
3567 | int margin = s->img->margin; | |
3568 | int height; | |
3569 | HBITMAP pixmap = 0; | |
3570 | ||
3571 | height = s->height - 2 * box_line_width; | |
3572 | ||
3573 | /* Fill background with face under the image. Do it only if row is | |
3574 | taller than image or if image has a clip mask to reduce | |
3575 | flickering. */ | |
3576 | s->stippled_p = s->face->stipple != 0; | |
3577 | if (height > s->img->height | |
3578 | || margin | |
3579 | #if 0 /* NTEMACS_TODO: image mask */ | |
3580 | || s->img->mask | |
3581 | #endif | |
3582 | || s->img->pixmap == 0 | |
3583 | || s->width != s->background_width) | |
3584 | { | |
3585 | if (box_line_width && s->first_glyph->left_box_line_p) | |
3586 | x = s->x + box_line_width; | |
3587 | else | |
3588 | x = s->x; | |
3589 | ||
3590 | y = s->y + box_line_width; | |
3591 | #if 0 /* NTEMACS_TODO: image mask */ | |
3592 | if (s->img->mask) | |
ee78dc32 | 3593 | { |
791f420f JR |
3594 | /* Create a pixmap as large as the glyph string Fill it with |
3595 | the background color. Copy the image to it, using its | |
3596 | mask. Copy the temporary pixmap to the display. */ | |
3597 | Screen *screen = FRAME_X_SCREEN (s->f); | |
3598 | int depth = DefaultDepthOfScreen (screen); | |
3599 | ||
3600 | /* Create a pixmap as large as the glyph string. */ | |
3601 | pixmap = XCreatePixmap (s->display, s->window, | |
3602 | s->background_width, | |
3603 | s->height, depth); | |
3604 | ||
3605 | /* Don't clip in the following because we're working on the | |
3606 | pixmap. */ | |
3607 | XSetClipMask (s->display, s->gc, None); | |
ee78dc32 | 3608 | |
791f420f JR |
3609 | /* Fill the pixmap with the background color/stipple. */ |
3610 | if (s->stippled_p) | |
3611 | { | |
3612 | /* Fill background with a stipple pattern. */ | |
3613 | XSetFillStyle (s->display, s->gc, FillOpaqueStippled); | |
3614 | XFillRectangle (s->display, pixmap, s->gc, | |
3615 | 0, 0, s->background_width, s->height); | |
3616 | XSetFillStyle (s->display, s->gc, FillSolid); | |
3617 | } | |
ef0e360f | 3618 | else |
791f420f JR |
3619 | { |
3620 | XGCValues xgcv; | |
3621 | XGetGCValues (s->display, s->gc, GCForeground | GCBackground, | |
3622 | &xgcv); | |
3623 | XSetForeground (s->display, s->gc, xgcv.background); | |
3624 | XFillRectangle (s->display, pixmap, s->gc, | |
3625 | 0, 0, s->background_width, s->height); | |
3626 | XSetForeground (s->display, s->gc, xgcv.foreground); | |
3627 | } | |
ee78dc32 | 3628 | } |
791f420f JR |
3629 | else |
3630 | #endif | |
3631 | /* Implementation idea: Is it possible to construct a mask? | |
3632 | We could look at the color at the margins of the image, and | |
3633 | say that this color is probably the background color of the | |
3634 | image. */ | |
3635 | x_draw_glyph_string_bg_rect (s, x, y, s->background_width, height); | |
3636 | ||
3637 | s->background_filled_p = 1; | |
3638 | } | |
ee78dc32 | 3639 | |
791f420f JR |
3640 | /* Draw the foreground. */ |
3641 | if (pixmap != 0) | |
3642 | { | |
3643 | w32_draw_image_foreground_1 (s, pixmap); | |
3644 | x_set_glyph_string_clipping (s); | |
ee78dc32 | 3645 | { |
791f420f JR |
3646 | HDC compat_hdc = CreateCompatibleDC (s->hdc); |
3647 | HBRUSH fg_brush = CreateSolidBrush (s->gc->foreground); | |
3648 | HBRUSH orig_brush = SelectObject (s->hdc, fg_brush); | |
3649 | HGDIOBJ orig_obj = SelectObject (compat_hdc, pixmap); | |
3650 | ||
3651 | SetTextColor (s->hdc, s->gc->foreground); | |
3652 | SetBkColor (s->hdc, s->gc->background); | |
3653 | #if 0 /* From w32bdf.c (which is from Meadow). */ | |
3654 | BitBlt (s->hdc, s->x, s->y, s->background_width, s->height, | |
3655 | compat_hdc, 0, 0, SRCCOPY); | |
3656 | #else | |
3657 | BitBlt (s->hdc, s->x, s->y, s->background_width, s->height, | |
3658 | compat_hdc, 0, 0, 0xB8074A); | |
3659 | #endif | |
3660 | SelectObject (s->hdc, orig_brush); | |
3661 | DeleteObject (fg_brush); | |
3662 | SelectObject (compat_hdc, orig_obj); | |
3663 | DeleteDC (compat_hdc); | |
3664 | } | |
3665 | DeleteObject (pixmap); | |
3666 | pixmap = 0; | |
3667 | } | |
3668 | else | |
3669 | x_draw_image_foreground (s); | |
ee78dc32 | 3670 | |
791f420f JR |
3671 | /* If we must draw a relief around the image, do it. */ |
3672 | if (s->img->relief | |
3673 | || s->hl == DRAW_IMAGE_RAISED | |
3674 | || s->hl == DRAW_IMAGE_SUNKEN) | |
3675 | x_draw_image_relief (s); | |
3676 | } | |
ee78dc32 | 3677 | |
cabb23bc | 3678 | |
791f420f | 3679 | /* Draw stretch glyph string S. */ |
cabb23bc | 3680 | |
791f420f JR |
3681 | static void |
3682 | x_draw_stretch_glyph_string (s) | |
3683 | struct glyph_string *s; | |
3684 | { | |
3685 | xassert (s->first_glyph->type == STRETCH_GLYPH); | |
3686 | s->stippled_p = s->face->stipple != 0; | |
65c4903c | 3687 | |
791f420f JR |
3688 | if (s->hl == DRAW_CURSOR |
3689 | && !x_stretch_cursor_p) | |
3690 | { | |
3691 | /* If `x-stretch-block-cursor' is nil, don't draw a block cursor | |
3692 | as wide as the stretch glyph. */ | |
3693 | int width = min (CANON_X_UNIT (s->f), s->background_width); | |
cabb23bc | 3694 | |
791f420f JR |
3695 | /* Draw cursor. */ |
3696 | x_draw_glyph_string_bg_rect (s, s->x, s->y, width, s->height); | |
cabb23bc | 3697 | |
791f420f JR |
3698 | /* Clear rest using the GC of the original non-cursor face. */ |
3699 | if (width < s->background_width) | |
3700 | { | |
3701 | XGCValues *gc = s->face->gc; | |
3702 | int x = s->x + width, y = s->y; | |
3703 | int w = s->background_width - width, h = s->height; | |
3704 | RECT r; | |
3705 | HDC hdc = s->hdc; | |
3706 | w32_get_glyph_string_clip_rect (s, &r); | |
3707 | w32_set_clip_rectangle (hdc, &r); | |
3708 | ||
3709 | #if 0 /* NTEMACS_TODO: stipple */ | |
3710 | if (s->face->stipple) | |
3711 | { | |
3712 | /* Fill background with a stipple pattern. */ | |
3713 | XSetFillStyle (s->display, gc, FillOpaqueStippled); | |
3714 | XFillRectangle (s->display, s->window, gc, x, y, w, h); | |
3715 | XSetFillStyle (s->display, gc, FillSolid); | |
3716 | } | |
3717 | else | |
3718 | #endif | |
3719 | { | |
3720 | w32_fill_area (s->f, s->hdc, gc->background, x, y, w, h); | |
3721 | } | |
3722 | } | |
3723 | } | |
3724 | else | |
3725 | x_draw_glyph_string_bg_rect (s, s->x, s->y, s->background_width, | |
3726 | s->height); | |
3727 | ||
3728 | s->background_filled_p = 1; | |
3729 | } | |
cabb23bc | 3730 | |
cabb23bc | 3731 | |
791f420f JR |
3732 | /* Draw glyph string S. */ |
3733 | ||
3734 | static void | |
3735 | x_draw_glyph_string (s) | |
3736 | struct glyph_string *s; | |
3737 | { | |
3738 | /* If S draws into the background of its successor, draw the | |
3739 | background of the successor first so that S can draw into it. | |
3740 | This makes S->next use XDrawString instead of XDrawImageString. */ | |
3741 | if (s->next && s->right_overhang && !s->for_overlaps_p) | |
3742 | { | |
3743 | xassert (s->next->img == NULL); | |
3744 | x_set_glyph_string_gc (s->next); | |
3745 | x_set_glyph_string_clipping (s->next); | |
3746 | x_draw_glyph_string_background (s->next, 1); | |
3747 | } | |
3748 | ||
3749 | /* Set up S->gc, set clipping and draw S. */ | |
3750 | x_set_glyph_string_gc (s); | |
3751 | x_set_glyph_string_clipping (s); | |
3752 | ||
3753 | switch (s->first_glyph->type) | |
3754 | { | |
3755 | case IMAGE_GLYPH: | |
3756 | x_draw_image_glyph_string (s); | |
3757 | break; | |
3758 | ||
3759 | case STRETCH_GLYPH: | |
3760 | x_draw_stretch_glyph_string (s); | |
3761 | break; | |
3762 | ||
3763 | case CHAR_GLYPH: | |
3764 | if (s->for_overlaps_p) | |
3765 | s->background_filled_p = 1; | |
3766 | else | |
3767 | x_draw_glyph_string_background (s, 0); | |
3768 | x_draw_glyph_string_foreground (s); | |
3769 | break; | |
3770 | ||
3771 | case COMPOSITE_GLYPH: | |
3772 | if (s->for_overlaps_p || s->gidx > 0) | |
3773 | s->background_filled_p = 1; | |
3774 | else | |
3775 | x_draw_glyph_string_background (s, 1); | |
3776 | x_draw_composite_glyph_string_foreground (s); | |
3777 | break; | |
3778 | ||
3779 | default: | |
3780 | abort (); | |
3781 | } | |
3782 | ||
3783 | if (!s->for_overlaps_p) | |
3784 | { | |
3785 | /* Draw underline. */ | |
9ef2e2cf JR |
3786 | if (s->face->underline_p |
3787 | && (s->font->bdf || !s->font->tm.tmUnderlined)) | |
791f420f JR |
3788 | { |
3789 | unsigned long h = 1; | |
3790 | unsigned long dy = s->height - h; | |
3791 | ||
3792 | if (s->face->underline_defaulted_p) | |
3793 | { | |
3794 | w32_fill_area (s->f, s->hdc, s->gc->foreground, s->x, | |
3795 | s->y + dy, s->width, 1); | |
3796 | } | |
3797 | else | |
3798 | { | |
3799 | w32_fill_area (s->f, s->hdc, s->face->underline_color, s->x, | |
3800 | s->y + dy, s->width, 1); | |
3801 | } | |
3802 | } | |
3803 | ||
3804 | /* Draw overline. */ | |
3805 | if (s->face->overline_p) | |
3806 | { | |
3807 | unsigned long dy = 0, h = 1; | |
3808 | ||
3809 | if (s->face->overline_color_defaulted_p) | |
3810 | { | |
3811 | w32_fill_area (s->f, s->hdc, s->gc->foreground, s->x, | |
3812 | s->y + dy, s->width, h); | |
3813 | } | |
3814 | else | |
3815 | { | |
3816 | w32_fill_area (s->f, s->hdc, s->face->underline_color, s->x, | |
3817 | s->y + dy, s->width, h); | |
3818 | } | |
3819 | } | |
3820 | ||
3821 | /* Draw strike-through. */ | |
9ef2e2cf JR |
3822 | if (s->face->strike_through_p |
3823 | && (s->font->bdf || !s->font->tm.tmStruckOut)) | |
791f420f JR |
3824 | { |
3825 | unsigned long h = 1; | |
3826 | unsigned long dy = (s->height - h) / 2; | |
3827 | ||
3828 | if (s->face->strike_through_color_defaulted_p) | |
3829 | { | |
3830 | w32_fill_area (s->f, s->hdc, s->gc->foreground, s->x, s->y + dy, | |
3831 | s->width, h); | |
3832 | } | |
3833 | else | |
3834 | { | |
3835 | w32_fill_area (s->f, s->hdc, s->face->underline_color, s->x, | |
3836 | s->y + dy, s->width, h); | |
3837 | } | |
3838 | } | |
3839 | ||
3840 | /* Draw relief. */ | |
3841 | if (s->face->box != FACE_NO_BOX) | |
3842 | x_draw_glyph_string_box (s); | |
3843 | } | |
3844 | ||
3845 | /* Reset clipping. */ | |
3846 | w32_set_clip_rectangle (s->hdc, NULL); | |
3847 | } | |
3848 | ||
3849 | ||
3850 | static int x_fill_composite_glyph_string P_ ((struct glyph_string *, | |
3851 | struct face **, int)); | |
3852 | ||
3853 | ||
3854 | /* Load glyph string S with a composition components specified by S->cmp. | |
3855 | FACES is an array of faces for all components of this composition. | |
3856 | S->gidx is the index of the first component for S. | |
3857 | OVERLAPS_P non-zero means S should draw the foreground only, and | |
3858 | use its lines physical height for clipping. | |
3859 | ||
3860 | Value is the index of a component not in S. */ | |
3861 | ||
3862 | static int | |
3863 | x_fill_composite_glyph_string (s, faces, overlaps_p) | |
3864 | struct glyph_string *s; | |
3865 | struct face **faces; | |
3866 | int overlaps_p; | |
3867 | { | |
3868 | int i; | |
3869 | ||
3870 | xassert (s); | |
3871 | ||
3872 | s->for_overlaps_p = overlaps_p; | |
3873 | ||
3874 | s->face = faces[s->gidx]; | |
3875 | s->font = s->face->font; | |
3876 | s->font_info = FONT_INFO_FROM_ID (s->f, s->face->font_info_id); | |
3877 | ||
3878 | /* For all glyphs of this composition, starting at the offset | |
3879 | S->gidx, until we reach the end of the definition or encounter a | |
3880 | glyph that requires the different face, add it to S. */ | |
3881 | ++s->nchars; | |
3882 | for (i = s->gidx + 1; i < s->cmp->glyph_len && faces[i] == s->face; ++i) | |
3883 | ++s->nchars; | |
3884 | ||
3885 | /* All glyph strings for the same composition has the same width, | |
3886 | i.e. the width set for the first component of the composition. */ | |
3887 | ||
3888 | s->width = s->first_glyph->pixel_width; | |
3889 | ||
3890 | /* If the specified font could not be loaded, use the frame's | |
3891 | default font, but record the fact that we couldn't load it in | |
3892 | the glyph string so that we can draw rectangles for the | |
3893 | characters of the glyph string. */ | |
3894 | if (s->font == NULL) | |
3895 | { | |
3896 | s->font_not_found_p = 1; | |
3897 | s->font = FRAME_FONT (s->f); | |
3898 | } | |
3899 | ||
3900 | /* Adjust base line for subscript/superscript text. */ | |
3901 | s->ybase += s->first_glyph->voffset; | |
3902 | ||
3903 | xassert (s->face && s->face->gc); | |
3904 | ||
3905 | /* This glyph string must always be drawn with 16-bit functions. */ | |
3906 | s->two_byte_p = 1; | |
3907 | ||
3908 | return s->gidx + s->nchars; | |
3909 | } | |
3910 | ||
3911 | ||
3912 | /* Load glyph string S with a sequence of characters. | |
3913 | FACE_ID is the face id of the string. START is the index of the | |
3914 | first glyph to consider, END is the index of the last + 1. | |
3915 | OVERLAPS_P non-zero means S should draw the foreground only, and | |
3916 | use its lines physical height for clipping. | |
3917 | ||
3918 | Value is the index of the first glyph not in S. */ | |
3919 | ||
3920 | static int | |
3921 | x_fill_glyph_string (s, face_id, start, end, overlaps_p) | |
3922 | struct glyph_string *s; | |
3923 | int face_id; | |
3924 | int start, end, overlaps_p; | |
3925 | { | |
3926 | struct glyph *glyph, *last; | |
3927 | int voffset; | |
93ff4395 | 3928 | int glyph_not_available_p; |
791f420f JR |
3929 | |
3930 | xassert (s->f == XFRAME (s->w->frame)); | |
3931 | xassert (s->nchars == 0); | |
3932 | xassert (start >= 0 && end > start); | |
3933 | ||
3934 | s->for_overlaps_p = overlaps_p; | |
791f420f JR |
3935 | glyph = s->row->glyphs[s->area] + start; |
3936 | last = s->row->glyphs[s->area] + end; | |
3937 | voffset = glyph->voffset; | |
93ff4395 JR |
3938 | |
3939 | glyph_not_available_p = glyph->glyph_not_available_p; | |
3940 | ||
791f420f JR |
3941 | while (glyph < last |
3942 | && glyph->type == CHAR_GLYPH | |
3943 | && glyph->voffset == voffset | |
93ff4395 JR |
3944 | /* Same face id implies same font, nowadays. */ |
3945 | && glyph->face_id == face_id | |
3946 | && glyph->glyph_not_available_p == glyph_not_available_p) | |
791f420f | 3947 | { |
93ff4395 JR |
3948 | int two_byte_p; |
3949 | ||
791f420f | 3950 | s->face = x_get_glyph_face_and_encoding (s->f, glyph, |
93ff4395 JR |
3951 | s->char2b + s->nchars, |
3952 | &two_byte_p); | |
3953 | s->two_byte_p = two_byte_p; | |
791f420f JR |
3954 | ++s->nchars; |
3955 | xassert (s->nchars <= end - start); | |
3956 | s->width += glyph->pixel_width; | |
3957 | ++glyph; | |
3958 | } | |
3959 | ||
3960 | s->font = s->face->font; | |
3961 | s->font_info = FONT_INFO_FROM_ID (s->f, s->face->font_info_id); | |
3962 | ||
3963 | /* If the specified font could not be loaded, use the frame's font, | |
3964 | but record the fact that we couldn't load it in | |
3965 | S->font_not_found_p so that we can draw rectangles for the | |
3966 | characters of the glyph string. */ | |
93ff4395 | 3967 | if (s->font == NULL || glyph_not_available_p) |
791f420f JR |
3968 | { |
3969 | s->font_not_found_p = 1; | |
3970 | s->font = FRAME_FONT (s->f); | |
3971 | } | |
3972 | ||
3973 | /* Adjust base line for subscript/superscript text. */ | |
3974 | s->ybase += voffset; | |
3975 | ||
3976 | xassert (s->face && s->face->gc); | |
3977 | return glyph - s->row->glyphs[s->area]; | |
3978 | } | |
3979 | ||
3980 | ||
3981 | /* Fill glyph string S from image glyph S->first_glyph. */ | |
3982 | ||
3983 | static void | |
3984 | x_fill_image_glyph_string (s) | |
3985 | struct glyph_string *s; | |
3986 | { | |
3987 | xassert (s->first_glyph->type == IMAGE_GLYPH); | |
3988 | s->img = IMAGE_FROM_ID (s->f, s->first_glyph->u.img_id); | |
3989 | xassert (s->img); | |
3990 | s->face = FACE_FROM_ID (s->f, s->first_glyph->face_id); | |
3991 | s->font = s->face->font; | |
3992 | s->width = s->first_glyph->pixel_width; | |
3993 | ||
3994 | /* Adjust base line for subscript/superscript text. */ | |
3995 | s->ybase += s->first_glyph->voffset; | |
3996 | } | |
3997 | ||
3998 | ||
3999 | /* Fill glyph string S from stretch glyph S->first_glyph. */ | |
4000 | ||
4001 | static void | |
4002 | x_fill_stretch_glyph_string (s) | |
4003 | struct glyph_string *s; | |
4004 | { | |
4005 | xassert (s->first_glyph->type == STRETCH_GLYPH); | |
4006 | s->face = FACE_FROM_ID (s->f, s->first_glyph->face_id); | |
4007 | s->font = s->face->font; | |
4008 | s->width = s->first_glyph->pixel_width; | |
4009 | ||
4010 | /* Adjust base line for subscript/superscript text. */ | |
4011 | s->ybase += s->first_glyph->voffset; | |
4012 | } | |
4013 | ||
4014 | ||
4015 | /* Initialize glyph string S. CHAR2B is a suitably allocated vector | |
4016 | of XChar2b structures for S; it can't be allocated in | |
4017 | x_init_glyph_string because it must be allocated via `alloca'. W | |
4018 | is the window on which S is drawn. ROW and AREA are the glyph row | |
4019 | and area within the row from which S is constructed. START is the | |
4020 | index of the first glyph structure covered by S. HL is a | |
4021 | face-override for drawing S. */ | |
4022 | ||
4023 | static void | |
4024 | w32_init_glyph_string (s, hdc, char2b, w, row, area, start, hl) | |
4025 | struct glyph_string *s; | |
4026 | HDC hdc; | |
4027 | wchar_t *char2b; | |
4028 | struct window *w; | |
4029 | struct glyph_row *row; | |
4030 | enum glyph_row_area area; | |
4031 | int start; | |
4032 | enum draw_glyphs_face hl; | |
4033 | { | |
4034 | bzero (s, sizeof *s); | |
4035 | s->w = w; | |
4036 | s->f = XFRAME (w->frame); | |
4037 | s->hdc = hdc; | |
4038 | s->window = FRAME_W32_WINDOW (s->f); | |
4039 | s->char2b = char2b; | |
4040 | s->hl = hl; | |
4041 | s->row = row; | |
4042 | s->area = area; | |
4043 | s->first_glyph = row->glyphs[area] + start; | |
4044 | s->height = row->height; | |
4045 | s->y = WINDOW_TO_FRAME_PIXEL_Y (w, row->y); | |
4046 | ||
4047 | /* Display the internal border below the tool-bar window. */ | |
4048 | if (s->w == XWINDOW (s->f->tool_bar_window)) | |
4049 | s->y -= s->f->output_data.w32->internal_border_width; | |
4050 | ||
4051 | s->ybase = s->y + row->ascent; | |
4052 | } | |
4053 | ||
4054 | ||
4055 | /* Set background width of glyph string S. START is the index of the | |
4056 | first glyph following S. LAST_X is the right-most x-position + 1 | |
4057 | in the drawing area. */ | |
4058 | ||
4059 | static INLINE void | |
4060 | x_set_glyph_string_background_width (s, start, last_x) | |
4061 | struct glyph_string *s; | |
4062 | int start; | |
4063 | int last_x; | |
4064 | { | |
4065 | /* If the face of this glyph string has to be drawn to the end of | |
4066 | the drawing area, set S->extends_to_end_of_line_p. */ | |
4067 | struct face *default_face = FACE_FROM_ID (s->f, DEFAULT_FACE_ID); | |
4068 | ||
4069 | if (start == s->row->used[s->area] | |
4070 | && s->hl == DRAW_NORMAL_TEXT | |
4071 | && ((s->area == TEXT_AREA && s->row->fill_line_p) | |
4072 | || s->face->background != default_face->background | |
4073 | || s->face->stipple != default_face->stipple)) | |
4074 | s->extends_to_end_of_line_p = 1; | |
4075 | ||
4076 | /* If S extends its face to the end of the line, set its | |
4077 | background_width to the distance to the right edge of the drawing | |
4078 | area. */ | |
4079 | if (s->extends_to_end_of_line_p) | |
4080 | s->background_width = last_x - s->x + 1; | |
4081 | else | |
4082 | s->background_width = s->width; | |
4083 | } | |
4084 | ||
4085 | ||
4086 | /* Add a glyph string for a stretch glyph to the list of strings | |
4087 | between HEAD and TAIL. START is the index of the stretch glyph in | |
4088 | row area AREA of glyph row ROW. END is the index of the last glyph | |
4089 | in that glyph row area. X is the current output position assigned | |
4090 | to the new glyph string constructed. HL overrides that face of the | |
4091 | glyph; e.g. it is DRAW_CURSOR if a cursor has to be drawn. LAST_X | |
4092 | is the right-most x-position of the drawing area. */ | |
4093 | ||
4094 | #define BUILD_STRETCH_GLYPH_STRING(hdc, W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X) \ | |
4095 | do \ | |
4096 | { \ | |
4097 | s = (struct glyph_string *) alloca (sizeof *s); \ | |
4098 | w32_init_glyph_string (s, hdc, NULL, W, ROW, AREA, START, HL); \ | |
4099 | x_fill_stretch_glyph_string (s); \ | |
4100 | x_append_glyph_string (&HEAD, &TAIL, s); \ | |
4101 | ++START; \ | |
4102 | s->x = (X); \ | |
4103 | } \ | |
4104 | while (0) | |
4105 | ||
4106 | ||
4107 | /* Add a glyph string for an image glyph to the list of strings | |
4108 | between HEAD and TAIL. START is the index of the image glyph in | |
4109 | row area AREA of glyph row ROW. END is the index of the last glyph | |
4110 | in that glyph row area. X is the current output position assigned | |
4111 | to the new glyph string constructed. HL overrides that face of the | |
4112 | glyph; e.g. it is DRAW_CURSOR if a cursor has to be drawn. LAST_X | |
4113 | is the right-most x-position of the drawing area. */ | |
4114 | ||
4115 | #define BUILD_IMAGE_GLYPH_STRING(hdc, W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X) \ | |
4116 | do \ | |
4117 | { \ | |
4118 | s = (struct glyph_string *) alloca (sizeof *s); \ | |
4119 | w32_init_glyph_string (s, hdc, NULL, W, ROW, AREA, START, HL); \ | |
4120 | x_fill_image_glyph_string (s); \ | |
4121 | x_append_glyph_string (&HEAD, &TAIL, s); \ | |
4122 | ++START; \ | |
4123 | s->x = (X); \ | |
4124 | } \ | |
4125 | while (0) | |
4126 | ||
4127 | ||
4128 | /* Add a glyph string for a sequence of character glyphs to the list | |
4129 | of strings between HEAD and TAIL. START is the index of the first | |
4130 | glyph in row area AREA of glyph row ROW that is part of the new | |
4131 | glyph string. END is the index of the last glyph in that glyph row | |
4132 | area. X is the current output position assigned to the new glyph | |
4133 | string constructed. HL overrides that face of the glyph; e.g. it | |
4134 | is DRAW_CURSOR if a cursor has to be drawn. LAST_X is the | |
4135 | right-most x-position of the drawing area. */ | |
4136 | ||
4137 | #define BUILD_CHAR_GLYPH_STRINGS(hdc, W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X, OVERLAPS_P) \ | |
4138 | do \ | |
4139 | { \ | |
4140 | int c, charset, face_id; \ | |
4141 | wchar_t *char2b; \ | |
4142 | \ | |
4143 | c = (ROW)->glyphs[AREA][START].u.ch; \ | |
791f420f | 4144 | face_id = (ROW)->glyphs[AREA][START].face_id; \ |
9ef2e2cf | 4145 | \ |
791f420f JR |
4146 | s = (struct glyph_string *) alloca (sizeof *s); \ |
4147 | char2b = (wchar_t *) alloca ((END - START) * sizeof *char2b); \ | |
4148 | w32_init_glyph_string (s, hdc, char2b, W, ROW, AREA, START, HL); \ | |
4149 | x_append_glyph_string (&HEAD, &TAIL, s); \ | |
791f420f JR |
4150 | s->x = (X); \ |
4151 | START = x_fill_glyph_string (s, face_id, START, END, \ | |
4152 | OVERLAPS_P); \ | |
4153 | } \ | |
4154 | while (0) | |
4155 | ||
4156 | ||
4157 | /* Add a glyph string for a composite sequence to the list of strings | |
4158 | between HEAD and TAIL. START is the index of the first glyph in | |
4159 | row area AREA of glyph row ROW that is part of the new glyph | |
4160 | string. END is the index of the last glyph in that glyph row area. | |
4161 | X is the current output position assigned to the new glyph string | |
4162 | constructed. HL overrides that face of the glyph; e.g. it is | |
4163 | DRAW_CURSOR if a cursor has to be drawn. LAST_X is the right-most | |
4164 | x-position of the drawing area. */ | |
4165 | ||
4166 | #define BUILD_COMPOSITE_GLYPH_STRING(hdc, W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X, OVERLAPS_P) \ | |
4167 | do { \ | |
4168 | int cmp_id = (ROW)->glyphs[AREA][START].u.cmp_id; \ | |
4169 | int face_id = (ROW)->glyphs[AREA][START].face_id; \ | |
93ff4395 | 4170 | struct face *base_face = FACE_FROM_ID (XFRAME (w->frame), face_id); \ |
791f420f JR |
4171 | struct composition *cmp = composition_table[cmp_id]; \ |
4172 | int glyph_len = cmp->glyph_len; \ | |
4173 | wchar_t *char2b; \ | |
4174 | struct face **faces; \ | |
4175 | struct glyph_string *first_s = NULL; \ | |
4176 | int n; \ | |
4177 | \ | |
93ff4395 | 4178 | base_face = base_face->ascii_face; \ |
791f420f JR |
4179 | char2b = (wchar_t *) alloca ((sizeof *char2b) * glyph_len); \ |
4180 | faces = (struct face **) alloca ((sizeof *faces) * glyph_len); \ | |
4181 | /* At first, fill in `char2b' and `faces'. */ \ | |
4182 | for (n = 0; n < glyph_len; n++) \ | |
4183 | { \ | |
4184 | int c = COMPOSITION_GLYPH (cmp, n); \ | |
93ff4395 JR |
4185 | int this_face_id = FACE_FOR_CHAR (XFRAME (w->frame), base_face, c); \ |
4186 | faces[n] = FACE_FROM_ID (XFRAME (w->frame), this_face_id); \ | |
4187 | x_get_char_face_and_encoding (XFRAME (w->frame), c, \ | |
4188 | this_face_id, char2b + n, 1); \ | |
791f420f JR |
4189 | } \ |
4190 | \ | |
4191 | /* Make glyph_strings for each glyph sequence that is drawable by \ | |
4192 | the same face, and append them to HEAD/TAIL. */ \ | |
4193 | for (n = 0; n < cmp->glyph_len;) \ | |
4194 | { \ | |
4195 | s = (struct glyph_string *) alloca (sizeof *s); \ | |
4196 | w32_init_glyph_string (s, hdc, char2b + n, W, ROW, AREA, START, HL); \ | |
4197 | x_append_glyph_string (&(HEAD), &(TAIL), s); \ | |
4198 | s->cmp = cmp; \ | |
4199 | s->gidx = n; \ | |
791f420f JR |
4200 | s->x = (X); \ |
4201 | \ | |
4202 | if (n == 0) \ | |
4203 | first_s = s; \ | |
4204 | \ | |
4205 | n = x_fill_composite_glyph_string (s, faces, OVERLAPS_P); \ | |
4206 | } \ | |
4207 | \ | |
4208 | ++START; \ | |
4209 | s = first_s; \ | |
4210 | } while (0) | |
4211 | ||
9ef2e2cf | 4212 | |
791f420f JR |
4213 | /* Build a list of glyph strings between HEAD and TAIL for the glyphs |
4214 | of AREA of glyph row ROW on window W between indices START and END. | |
4215 | HL overrides the face for drawing glyph strings, e.g. it is | |
4216 | DRAW_CURSOR to draw a cursor. X and LAST_X are start and end | |
4217 | x-positions of the drawing area. | |
4218 | ||
4219 | This is an ugly monster macro construct because we must use alloca | |
4220 | to allocate glyph strings (because x_draw_glyphs can be called | |
4221 | asynchronously). */ | |
4222 | ||
4223 | #define BUILD_GLYPH_STRINGS(hdc, W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X, OVERLAPS_P) \ | |
4224 | do \ | |
4225 | { \ | |
4226 | HEAD = TAIL = NULL; \ | |
4227 | while (START < END) \ | |
4228 | { \ | |
4229 | struct glyph *first_glyph = (ROW)->glyphs[AREA] + START; \ | |
4230 | switch (first_glyph->type) \ | |
4231 | { \ | |
4232 | case CHAR_GLYPH: \ | |
4233 | BUILD_CHAR_GLYPH_STRINGS (hdc, W, ROW, AREA, START, END, \ | |
4234 | HEAD, TAIL, HL, X, LAST_X, \ | |
4235 | OVERLAPS_P); \ | |
4236 | break; \ | |
4237 | \ | |
4238 | case COMPOSITE_GLYPH: \ | |
4239 | BUILD_COMPOSITE_GLYPH_STRING (hdc, W, ROW, AREA, START, \ | |
4240 | END, HEAD, TAIL, HL, X, \ | |
4241 | LAST_X, OVERLAPS_P); \ | |
4242 | break; \ | |
4243 | \ | |
4244 | case STRETCH_GLYPH: \ | |
4245 | BUILD_STRETCH_GLYPH_STRING (hdc, W, ROW, AREA, START, END,\ | |
4246 | HEAD, TAIL, HL, X, LAST_X); \ | |
4247 | break; \ | |
4248 | \ | |
4249 | case IMAGE_GLYPH: \ | |
4250 | BUILD_IMAGE_GLYPH_STRING (hdc, W, ROW, AREA, START, END, \ | |
4251 | HEAD, TAIL, HL, X, LAST_X); \ | |
4252 | break; \ | |
4253 | \ | |
4254 | default: \ | |
4255 | abort (); \ | |
4256 | } \ | |
4257 | \ | |
4258 | x_set_glyph_string_background_width (s, START, LAST_X); \ | |
4259 | (X) += s->width; \ | |
4260 | } \ | |
4261 | } \ | |
4262 | while (0) | |
4263 | ||
4264 | ||
4265 | /* Draw glyphs between START and END in AREA of ROW on window W, | |
4266 | starting at x-position X. X is relative to AREA in W. HL is a | |
4267 | face-override with the following meaning: | |
4268 | ||
4269 | DRAW_NORMAL_TEXT draw normally | |
4270 | DRAW_CURSOR draw in cursor face | |
4271 | DRAW_MOUSE_FACE draw in mouse face. | |
4272 | DRAW_INVERSE_VIDEO draw in mode line face | |
4273 | DRAW_IMAGE_SUNKEN draw an image with a sunken relief around it | |
4274 | DRAW_IMAGE_RAISED draw an image with a raised relief around it | |
4275 | ||
4276 | If REAL_START is non-null, return in *REAL_START the real starting | |
4277 | position for display. This can be different from START in case | |
4278 | overlapping glyphs must be displayed. If REAL_END is non-null, | |
4279 | return in *REAL_END the real end position for display. This can be | |
4280 | different from END in case overlapping glyphs must be displayed. | |
4281 | ||
4282 | If OVERLAPS_P is non-zero, draw only the foreground of characters | |
4283 | and clip to the physical height of ROW. | |
4284 | ||
4285 | Value is the x-position reached, relative to AREA of W. */ | |
4286 | ||
4287 | static int | |
4288 | x_draw_glyphs (w, x, row, area, start, end, hl, real_start, real_end, | |
4289 | overlaps_p) | |
4290 | struct window *w; | |
4291 | int x; | |
4292 | struct glyph_row *row; | |
4293 | enum glyph_row_area area; | |
4294 | int start, end; | |
4295 | enum draw_glyphs_face hl; | |
4296 | int *real_start, *real_end; | |
4297 | int overlaps_p; | |
4298 | { | |
4299 | struct glyph_string *head, *tail; | |
4300 | struct glyph_string *s; | |
4301 | int last_x, area_width; | |
4302 | int x_reached; | |
4303 | int i, j; | |
4304 | HDC hdc = get_frame_dc (XFRAME (WINDOW_FRAME (w))); | |
4305 | ||
4306 | /* Let's rather be paranoid than getting a SEGV. */ | |
4307 | start = max (0, start); | |
4308 | end = min (end, row->used[area]); | |
4309 | if (real_start) | |
4310 | *real_start = start; | |
4311 | if (real_end) | |
4312 | *real_end = end; | |
4313 | ||
4314 | /* Translate X to frame coordinates. Set last_x to the right | |
4315 | end of the drawing area. */ | |
4316 | if (row->full_width_p) | |
4317 | { | |
4318 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
cabb23bc | 4319 | |
791f420f JR |
4320 | /* X is relative to the left edge of W, without scroll bars |
4321 | or flag areas. */ | |
4322 | /* int width = FRAME_FLAGS_AREA_WIDTH (f); */ | |
4323 | int window_left_x = WINDOW_LEFT_MARGIN (w) * CANON_X_UNIT (f); | |
ee78dc32 | 4324 | |
791f420f JR |
4325 | x += window_left_x; |
4326 | area_width = XFASTINT (w->width) * CANON_X_UNIT (f); | |
4327 | last_x = window_left_x + area_width; | |
ee78dc32 | 4328 | |
791f420f JR |
4329 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
4330 | { | |
4331 | int width = FRAME_SCROLL_BAR_WIDTH (f) * CANON_X_UNIT (f); | |
4332 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)) | |
4333 | last_x += width; | |
4334 | else | |
4335 | x -= width; | |
4336 | } | |
ee78dc32 | 4337 | |
791f420f JR |
4338 | x += FRAME_INTERNAL_BORDER_WIDTH (f); |
4339 | last_x -= FRAME_INTERNAL_BORDER_WIDTH (f); | |
4340 | } | |
4341 | else | |
4342 | { | |
4343 | x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, area, x); | |
4344 | area_width = window_box_width (w, area); | |
4345 | last_x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, area, area_width); | |
4346 | } | |
e12ca9c2 | 4347 | |
791f420f JR |
4348 | /* Build a doubly-linked list of glyph_string structures between |
4349 | head and tail from what we have to draw. Note that the macro | |
4350 | BUILD_GLYPH_STRINGS will modify its start parameter. That's | |
4351 | the reason we use a separate variable `i'. */ | |
4352 | i = start; | |
4353 | BUILD_GLYPH_STRINGS (hdc, w, row, area, i, end, head, tail, hl, x, last_x, | |
4354 | overlaps_p); | |
791f420f JR |
4355 | if (tail) |
4356 | x_reached = tail->x + tail->background_width; | |
4357 | else | |
4358 | x_reached = x; | |
e12ca9c2 | 4359 | |
791f420f JR |
4360 | /* If there are any glyphs with lbearing < 0 or rbearing > width in |
4361 | the row, redraw some glyphs in front or following the glyph | |
4362 | strings built above. */ | |
4363 | if (!overlaps_p && row->contains_overlapping_glyphs_p) | |
4364 | { | |
4365 | int dummy_x = 0; | |
4366 | struct glyph_string *h, *t; | |
4367 | ||
4368 | /* Compute overhangs for all glyph strings. */ | |
4369 | for (s = head; s; s = s->next) | |
4370 | x_compute_glyph_string_overhangs (s); | |
4371 | ||
4372 | /* Prepend glyph strings for glyphs in front of the first glyph | |
4373 | string that are overwritten because of the first glyph | |
4374 | string's left overhang. The background of all strings | |
4375 | prepended must be drawn because the first glyph string | |
4376 | draws over it. */ | |
4377 | i = x_left_overwritten (head); | |
4378 | if (i >= 0) | |
4379 | { | |
4380 | j = i; | |
4381 | BUILD_GLYPH_STRINGS (hdc, w, row, area, j, start, h, t, | |
4382 | DRAW_NORMAL_TEXT, dummy_x, last_x, | |
4383 | overlaps_p); | |
4384 | start = i; | |
4385 | if (real_start) | |
4386 | *real_start = start; | |
4387 | x_compute_overhangs_and_x (t, head->x, 1); | |
4388 | x_prepend_glyph_string_lists (&head, &tail, h, t); | |
4389 | } | |
ee78dc32 | 4390 | |
791f420f JR |
4391 | /* Prepend glyph strings for glyphs in front of the first glyph |
4392 | string that overwrite that glyph string because of their | |
4393 | right overhang. For these strings, only the foreground must | |
4394 | be drawn, because it draws over the glyph string at `head'. | |
4395 | The background must not be drawn because this would overwrite | |
4396 | right overhangs of preceding glyphs for which no glyph | |
4397 | strings exist. */ | |
4398 | i = x_left_overwriting (head); | |
4399 | if (i >= 0) | |
4400 | { | |
4401 | BUILD_GLYPH_STRINGS (hdc, w, row, area, i, start, h, t, | |
4402 | DRAW_NORMAL_TEXT, dummy_x, last_x, | |
4403 | overlaps_p); | |
791f420f JR |
4404 | for (s = h; s; s = s->next) |
4405 | s->background_filled_p = 1; | |
4406 | if (real_start) | |
4407 | *real_start = i; | |
4408 | x_compute_overhangs_and_x (t, head->x, 1); | |
4409 | x_prepend_glyph_string_lists (&head, &tail, h, t); | |
4410 | } | |
cabb23bc | 4411 | |
791f420f JR |
4412 | /* Append glyphs strings for glyphs following the last glyph |
4413 | string tail that are overwritten by tail. The background of | |
4414 | these strings has to be drawn because tail's foreground draws | |
4415 | over it. */ | |
4416 | i = x_right_overwritten (tail); | |
4417 | if (i >= 0) | |
4418 | { | |
4419 | BUILD_GLYPH_STRINGS (hdc, w, row, area, end, i, h, t, | |
4420 | DRAW_NORMAL_TEXT, x, last_x, | |
4421 | overlaps_p); | |
791f420f JR |
4422 | x_compute_overhangs_and_x (h, tail->x + tail->width, 0); |
4423 | x_append_glyph_string_lists (&head, &tail, h, t); | |
4424 | if (real_end) | |
4425 | *real_end = i; | |
4426 | } | |
cabb23bc | 4427 | |
791f420f JR |
4428 | /* Append glyph strings for glyphs following the last glyph |
4429 | string tail that overwrite tail. The foreground of such | |
4430 | glyphs has to be drawn because it writes into the background | |
4431 | of tail. The background must not be drawn because it could | |
4432 | paint over the foreground of following glyphs. */ | |
4433 | i = x_right_overwriting (tail); | |
4434 | if (i >= 0) | |
4435 | { | |
4436 | BUILD_GLYPH_STRINGS (hdc, w, row, area, end, i, h, t, | |
4437 | DRAW_NORMAL_TEXT, x, last_x, | |
4438 | overlaps_p); | |
791f420f JR |
4439 | for (s = h; s; s = s->next) |
4440 | s->background_filled_p = 1; | |
4441 | x_compute_overhangs_and_x (h, tail->x + tail->width, 0); | |
4442 | x_append_glyph_string_lists (&head, &tail, h, t); | |
4443 | if (real_end) | |
4444 | *real_end = i; | |
4445 | } | |
4446 | } | |
cabb23bc | 4447 | |
791f420f JR |
4448 | /* Draw all strings. */ |
4449 | for (s = head; s; s = s->next) | |
4450 | x_draw_glyph_string (s); | |
cabb23bc | 4451 | |
791f420f JR |
4452 | /* Value is the x-position up to which drawn, relative to AREA of W. |
4453 | This doesn't include parts drawn because of overhangs. */ | |
4454 | x_reached = FRAME_TO_WINDOW_PIXEL_X (w, x_reached); | |
4455 | if (!row->full_width_p) | |
4456 | { | |
4457 | if (area > LEFT_MARGIN_AREA) | |
4458 | x_reached -= window_box_width (w, LEFT_MARGIN_AREA); | |
4459 | if (area > TEXT_AREA) | |
4460 | x_reached -= window_box_width (w, TEXT_AREA); | |
4461 | } | |
cabb23bc | 4462 | |
791f420f | 4463 | release_frame_dc (XFRAME (WINDOW_FRAME (w)), hdc); |
65c4903c | 4464 | |
791f420f JR |
4465 | return x_reached; |
4466 | } | |
65c4903c | 4467 | |
cabb23bc | 4468 | |
791f420f JR |
4469 | /* Fix the display of area AREA of overlapping row ROW in window W. */ |
4470 | ||
4471 | static void | |
4472 | x_fix_overlapping_area (w, row, area) | |
4473 | struct window *w; | |
4474 | struct glyph_row *row; | |
4475 | enum glyph_row_area area; | |
4476 | { | |
4477 | int i, x; | |
4478 | ||
4479 | BLOCK_INPUT; | |
4480 | ||
4481 | if (area == LEFT_MARGIN_AREA) | |
4482 | x = 0; | |
4483 | else if (area == TEXT_AREA) | |
4484 | x = row->x + window_box_width (w, LEFT_MARGIN_AREA); | |
4485 | else | |
4486 | x = (window_box_width (w, LEFT_MARGIN_AREA) | |
4487 | + window_box_width (w, TEXT_AREA)); | |
b1ae662f | 4488 | |
791f420f JR |
4489 | for (i = 0; i < row->used[area];) |
4490 | { | |
4491 | if (row->glyphs[area][i].overlaps_vertically_p) | |
ee78dc32 | 4492 | { |
791f420f | 4493 | int start = i, start_x = x; |
ee78dc32 | 4494 | |
791f420f JR |
4495 | do |
4496 | { | |
4497 | x += row->glyphs[area][i].pixel_width; | |
4498 | ++i; | |
4499 | } | |
4500 | while (i < row->used[area] | |
4501 | && row->glyphs[area][i].overlaps_vertically_p); | |
cabb23bc | 4502 | |
791f420f JR |
4503 | x_draw_glyphs (w, start_x, row, area, start, i, |
4504 | (row->inverse_p | |
4505 | ? DRAW_INVERSE_VIDEO : DRAW_NORMAL_TEXT), | |
4506 | NULL, NULL, 1); | |
4507 | } | |
4508 | else | |
4509 | { | |
4510 | x += row->glyphs[area][i].pixel_width; | |
4511 | ++i; | |
4512 | } | |
4513 | } | |
4514 | ||
4515 | UNBLOCK_INPUT; | |
ee78dc32 GV |
4516 | } |
4517 | ||
ee78dc32 | 4518 | |
791f420f JR |
4519 | /* Output LEN glyphs starting at START at the nominal cursor position. |
4520 | Advance the nominal cursor over the text. The global variable | |
4521 | updated_window contains the window being updated, updated_row is | |
4522 | the glyph row being updated, and updated_area is the area of that | |
4523 | row being updated. */ | |
ee78dc32 | 4524 | |
96214669 | 4525 | static void |
791f420f JR |
4526 | x_write_glyphs (start, len) |
4527 | struct glyph *start; | |
ee78dc32 GV |
4528 | int len; |
4529 | { | |
791f420f | 4530 | int x, hpos, real_start, real_end; |
ee78dc32 | 4531 | |
791f420f | 4532 | xassert (updated_window && updated_row); |
ee78dc32 | 4533 | BLOCK_INPUT; |
791f420f JR |
4534 | |
4535 | /* Write glyphs. */ | |
ee78dc32 | 4536 | |
791f420f JR |
4537 | hpos = start - updated_row->glyphs[updated_area]; |
4538 | x = x_draw_glyphs (updated_window, output_cursor.x, | |
4539 | updated_row, updated_area, | |
4540 | hpos, hpos + len, | |
4541 | (updated_row->inverse_p | |
4542 | ? DRAW_INVERSE_VIDEO : DRAW_NORMAL_TEXT), | |
4543 | &real_start, &real_end, 0); | |
4544 | ||
4545 | /* If we drew over the cursor, note that it is not visible any more. */ | |
4546 | note_overwritten_text_cursor (updated_window, real_start, | |
4547 | real_end - real_start); | |
4548 | ||
4549 | UNBLOCK_INPUT; | |
4550 | ||
4551 | /* Advance the output cursor. */ | |
4552 | output_cursor.hpos += len; | |
4553 | output_cursor.x = x; | |
4554 | } | |
ee78dc32 | 4555 | |
ee78dc32 | 4556 | |
791f420f | 4557 | /* Insert LEN glyphs from START at the nominal cursor position. */ |
ee78dc32 | 4558 | |
791f420f JR |
4559 | static void |
4560 | x_insert_glyphs (start, len) | |
4561 | struct glyph *start; | |
4562 | register int len; | |
4563 | { | |
4564 | struct frame *f; | |
4565 | struct window *w; | |
4566 | int line_height, shift_by_width, shifted_region_width; | |
4567 | struct glyph_row *row; | |
4568 | struct glyph *glyph; | |
4569 | int frame_x, frame_y, hpos, real_start, real_end; | |
4570 | HDC hdc; | |
4571 | ||
4572 | xassert (updated_window && updated_row); | |
4573 | BLOCK_INPUT; | |
4574 | w = updated_window; | |
4575 | f = XFRAME (WINDOW_FRAME (w)); | |
4576 | hdc = get_frame_dc (f); | |
4577 | ||
4578 | /* Get the height of the line we are in. */ | |
4579 | row = updated_row; | |
4580 | line_height = row->height; | |
4581 | ||
4582 | /* Get the width of the glyphs to insert. */ | |
4583 | shift_by_width = 0; | |
4584 | for (glyph = start; glyph < start + len; ++glyph) | |
4585 | shift_by_width += glyph->pixel_width; | |
4586 | ||
4587 | /* Get the width of the region to shift right. */ | |
4588 | shifted_region_width = (window_box_width (w, updated_area) | |
4589 | - output_cursor.x | |
4590 | - shift_by_width); | |
4591 | ||
4592 | /* Shift right. */ | |
4593 | frame_x = WINDOW_TO_FRAME_PIXEL_X (w, output_cursor.x); | |
4594 | frame_y = WINDOW_TO_FRAME_PIXEL_Y (w, output_cursor.y); | |
4595 | BitBlt (hdc, frame_x + shift_by_width, frame_y, | |
4596 | shifted_region_width, line_height, | |
4597 | hdc, frame_x, frame_y, SRCCOPY); | |
4598 | ||
4599 | /* Write the glyphs. */ | |
4600 | hpos = start - row->glyphs[updated_area]; | |
4601 | x_draw_glyphs (w, output_cursor.x, row, updated_area, hpos, hpos + len, | |
4602 | DRAW_NORMAL_TEXT, &real_start, &real_end, 0); | |
4603 | note_overwritten_text_cursor (w, real_start, real_end - real_start); | |
4604 | ||
4605 | /* Advance the output cursor. */ | |
4606 | output_cursor.hpos += len; | |
4607 | output_cursor.x += shift_by_width; | |
4608 | release_frame_dc (f, hdc); | |
ee78dc32 GV |
4609 | |
4610 | UNBLOCK_INPUT; | |
4611 | } | |
791f420f JR |
4612 | |
4613 | ||
4614 | /* Delete N glyphs at the nominal cursor position. Not implemented | |
4615 | for X frames. */ | |
ee78dc32 | 4616 | |
96214669 | 4617 | static void |
791f420f JR |
4618 | x_delete_glyphs (n) |
4619 | register int n; | |
ee78dc32 | 4620 | { |
791f420f JR |
4621 | abort (); |
4622 | } | |
ee78dc32 | 4623 | |
ee78dc32 | 4624 | |
791f420f JR |
4625 | /* Erase the current text line from the nominal cursor position |
4626 | (inclusive) to pixel column TO_X (exclusive). The idea is that | |
4627 | everything from TO_X onward is already erased. | |
ee78dc32 | 4628 | |
791f420f JR |
4629 | TO_X is a pixel position relative to updated_area of |
4630 | updated_window. TO_X == -1 means clear to the end of this area. */ | |
11606873 | 4631 | |
791f420f JR |
4632 | static void |
4633 | x_clear_end_of_line (to_x) | |
4634 | int to_x; | |
4635 | { | |
4636 | struct frame *f; | |
4637 | struct window *w = updated_window; | |
4638 | int max_x, min_y, max_y; | |
4639 | int from_x, from_y, to_y; | |
4640 | ||
4641 | xassert (updated_window && updated_row); | |
4642 | f = XFRAME (w->frame); | |
4643 | ||
4644 | if (updated_row->full_width_p) | |
4645 | { | |
4646 | max_x = XFASTINT (w->width) * CANON_X_UNIT (f); | |
4647 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
4648 | && !w->pseudo_window_p) | |
4649 | max_x += FRAME_SCROLL_BAR_WIDTH (f) * CANON_X_UNIT (f); | |
4650 | } | |
4651 | else | |
4652 | max_x = window_box_width (w, updated_area); | |
4653 | max_y = window_text_bottom_y (w); | |
ee78dc32 | 4654 | |
791f420f JR |
4655 | /* TO_X == 0 means don't do anything. TO_X < 0 means clear to end |
4656 | of window. For TO_X > 0, truncate to end of drawing area. */ | |
4657 | if (to_x == 0) | |
4658 | return; | |
4659 | else if (to_x < 0) | |
4660 | to_x = max_x; | |
4661 | else | |
4662 | to_x = min (to_x, max_x); | |
ee78dc32 | 4663 | |
791f420f JR |
4664 | to_y = min (max_y, output_cursor.y + updated_row->height); |
4665 | ||
ee78dc32 | 4666 | /* Notice if the cursor will be cleared by this operation. */ |
791f420f JR |
4667 | if (!updated_row->full_width_p) |
4668 | note_overwritten_text_cursor (w, output_cursor.hpos, -1); | |
ee78dc32 | 4669 | |
791f420f JR |
4670 | from_x = output_cursor.x; |
4671 | ||
4672 | /* Translate to frame coordinates. */ | |
4673 | if (updated_row->full_width_p) | |
4674 | { | |
4675 | from_x = WINDOW_TO_FRAME_PIXEL_X (w, from_x); | |
4676 | to_x = WINDOW_TO_FRAME_PIXEL_X (w, to_x); | |
4677 | } | |
4678 | else | |
4679 | { | |
4680 | from_x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, updated_area, from_x); | |
4681 | to_x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, updated_area, to_x); | |
4682 | } | |
4683 | ||
4684 | min_y = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w); | |
4685 | from_y = WINDOW_TO_FRAME_PIXEL_Y (w, max (min_y, output_cursor.y)); | |
4686 | to_y = WINDOW_TO_FRAME_PIXEL_Y (w, to_y); | |
4687 | ||
4688 | /* Prevent inadvertently clearing to end of the X window. */ | |
4689 | if (to_x > from_x && to_y > from_y) | |
4690 | { | |
00fe468b | 4691 | HDC hdc; |
791f420f | 4692 | BLOCK_INPUT; |
00fe468b JR |
4693 | hdc = get_frame_dc (f); |
4694 | ||
4695 | w32_clear_area (f, hdc, from_x, from_y, to_x - from_x, to_y - from_y); | |
4696 | release_frame_dc (f, hdc); | |
791f420f JR |
4697 | UNBLOCK_INPUT; |
4698 | } | |
ee78dc32 GV |
4699 | } |
4700 | ||
791f420f JR |
4701 | |
4702 | /* Clear entire frame. If updating_frame is non-null, clear that | |
4703 | frame. Otherwise clear the selected frame. */ | |
4704 | ||
96214669 | 4705 | static void |
791f420f | 4706 | x_clear_frame () |
ee78dc32 | 4707 | { |
791f420f | 4708 | struct frame *f; |
ee78dc32 | 4709 | |
791f420f JR |
4710 | if (updating_frame) |
4711 | f = updating_frame; | |
4712 | else | |
4713 | f = SELECTED_FRAME (); | |
ee78dc32 | 4714 | |
791f420f JR |
4715 | /* Clearing the frame will erase any cursor, so mark them all as no |
4716 | longer visible. */ | |
4717 | mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f))); | |
4718 | output_cursor.hpos = output_cursor.vpos = 0; | |
4719 | output_cursor.x = -1; | |
ee78dc32 | 4720 | |
791f420f JR |
4721 | /* We don't set the output cursor here because there will always |
4722 | follow an explicit cursor_to. */ | |
ee78dc32 GV |
4723 | BLOCK_INPUT; |
4724 | ||
fbd6baed | 4725 | w32_clear_window (f); |
ee78dc32 GV |
4726 | |
4727 | /* We have to clear the scroll bars, too. If we have changed | |
4728 | colors or something like that, then they should be notified. */ | |
4729 | x_scroll_bar_clear (f); | |
4730 | ||
4731 | UNBLOCK_INPUT; | |
4732 | } | |
791f420f | 4733 | |
ee78dc32 GV |
4734 | \f |
4735 | /* Make audible bell. */ | |
4736 | ||
96214669 GV |
4737 | static void |
4738 | w32_ring_bell (void) | |
ee78dc32 GV |
4739 | { |
4740 | BLOCK_INPUT; | |
4741 | ||
4742 | if (visible_bell) | |
8331e676 GV |
4743 | { |
4744 | int i; | |
791f420f | 4745 | HWND hwnd = FRAME_W32_WINDOW (SELECTED_FRAME ()); |
8331e676 GV |
4746 | |
4747 | for (i = 0; i < 5; i++) | |
4748 | { | |
4749 | FlashWindow (hwnd, TRUE); | |
4750 | Sleep (10); | |
4751 | } | |
4752 | FlashWindow (hwnd, FALSE); | |
4753 | } | |
ee78dc32 | 4754 | else |
fbd6baed | 4755 | w32_sys_ring_bell (); |
ee78dc32 GV |
4756 | |
4757 | UNBLOCK_INPUT; | |
ee78dc32 | 4758 | } |
791f420f | 4759 | |
ee78dc32 | 4760 | \f |
791f420f JR |
4761 | /* Specify how many text lines, from the top of the window, |
4762 | should be affected by insert-lines and delete-lines operations. | |
4763 | This, and those operations, are used only within an update | |
4764 | that is bounded by calls to x_update_begin and x_update_end. */ | |
ee78dc32 | 4765 | |
96214669 | 4766 | static void |
791f420f JR |
4767 | w32_set_terminal_window (n) |
4768 | register int n; | |
ee78dc32 | 4769 | { |
791f420f | 4770 | /* This function intentionally left blank. */ |
ee78dc32 | 4771 | } |
791f420f JR |
4772 | \f |
4773 | ||
4774 | \f | |
4775 | /*********************************************************************** | |
4776 | Line Dance | |
4777 | ***********************************************************************/ | |
4778 | ||
4779 | /* Perform an insert-lines or delete-lines operation, inserting N | |
4780 | lines or deleting -N lines at vertical position VPOS. */ | |
ee78dc32 | 4781 | |
96214669 | 4782 | static void |
791f420f JR |
4783 | x_ins_del_lines (vpos, n) |
4784 | int vpos, n; | |
ee78dc32 GV |
4785 | { |
4786 | abort (); | |
4787 | } | |
791f420f JR |
4788 | |
4789 | ||
4790 | /* Scroll part of the display as described by RUN. */ | |
4791 | ||
4792 | static void | |
4793 | x_scroll_run (w, run) | |
4794 | struct window *w; | |
4795 | struct run *run; | |
4796 | { | |
4797 | struct frame *f = XFRAME (w->frame); | |
4798 | int x, y, width, height, from_y, to_y, bottom_y; | |
4799 | HDC hdc = get_frame_dc (f); | |
4800 | ||
4801 | /* Get frame-relative bounding box of the text display area of W, | |
4802 | without mode lines. Include in this box the flags areas to the | |
4803 | left and right of W. */ | |
4804 | window_box (w, -1, &x, &y, &width, &height); | |
4805 | width += FRAME_X_FLAGS_AREA_WIDTH (f); | |
4806 | x -= FRAME_X_LEFT_FLAGS_AREA_WIDTH (f); | |
4807 | ||
4808 | from_y = WINDOW_TO_FRAME_PIXEL_Y (w, run->current_y); | |
4809 | to_y = WINDOW_TO_FRAME_PIXEL_Y (w, run->desired_y); | |
4810 | bottom_y = y + height; | |
4811 | ||
4812 | if (to_y < from_y) | |
4813 | { | |
4814 | /* Scrolling up. Make sure we don't copy part of the mode | |
4815 | line at the bottom. */ | |
4816 | if (from_y + run->height > bottom_y) | |
4817 | height = bottom_y - from_y; | |
4818 | else | |
4819 | height = run->height; | |
4820 | } | |
4821 | else | |
4822 | { | |
4823 | /* Scolling down. Make sure we don't copy over the mode line. | |
4824 | at the bottom. */ | |
4825 | if (to_y + run->height > bottom_y) | |
4826 | height = bottom_y - to_y; | |
4827 | else | |
4828 | height = run->height; | |
4829 | } | |
4830 | ||
4831 | BLOCK_INPUT; | |
4832 | ||
4833 | /* Cursor off. Will be switched on again in x_update_window_end. */ | |
4834 | updated_window = w; | |
4835 | x_clear_cursor (w); | |
4836 | ||
4837 | BitBlt (hdc, x, to_y, width, height, hdc, x, from_y, SRCCOPY); | |
4838 | ||
4839 | UNBLOCK_INPUT; | |
4840 | release_frame_dc (f, hdc); | |
4841 | } | |
4842 | ||
9ef2e2cf | 4843 | |
ee78dc32 | 4844 | \f |
791f420f JR |
4845 | /*********************************************************************** |
4846 | Exposure Events | |
4847 | ***********************************************************************/ | |
4848 | ||
4849 | /* Redisplay an exposed area of frame F. X and Y are the upper-left | |
4850 | corner of the exposed rectangle. W and H are width and height of | |
4851 | the exposed area. All are pixel values. W or H zero means redraw | |
4852 | the entire frame. */ | |
ee78dc32 | 4853 | |
96214669 | 4854 | static void |
791f420f JR |
4855 | expose_frame (f, x, y, w, h) |
4856 | struct frame *f; | |
4857 | int x, y, w, h; | |
ee78dc32 | 4858 | { |
791f420f JR |
4859 | RECT r; |
4860 | ||
4861 | TRACE ((stderr, "expose_frame ")); | |
4862 | ||
4863 | /* No need to redraw if frame will be redrawn soon. */ | |
4864 | if (FRAME_GARBAGED_P (f)) | |
4865 | { | |
4866 | TRACE ((stderr, " garbaged\n")); | |
4867 | return; | |
4868 | } | |
4869 | ||
4870 | /* If basic faces haven't been realized yet, there is no point in | |
4871 | trying to redraw anything. This can happen when we get an expose | |
4872 | event while Emacs is starting, e.g. by moving another window. */ | |
4873 | if (FRAME_FACE_CACHE (f) == NULL | |
4874 | || FRAME_FACE_CACHE (f)->used < BASIC_FACE_ID_SENTINEL) | |
4875 | { | |
4876 | TRACE ((stderr, " no faces\n")); | |
4877 | return; | |
4878 | } | |
4879 | ||
4880 | if (w == 0 || h == 0) | |
4881 | { | |
4882 | r.left = r.top = 0; | |
4883 | r.right = CANON_X_UNIT (f) * f->width; | |
4884 | r.bottom = CANON_Y_UNIT (f) * f->height; | |
4885 | } | |
4886 | else | |
4887 | { | |
4888 | r.left = x; | |
4889 | r.top = y; | |
4890 | r.right = x + w; | |
4891 | r.bottom = y + h; | |
4892 | } | |
4893 | ||
4894 | TRACE ((stderr, "(%d, %d, %d, %d)\n", r.left, r.top, r.right, r.bottom)); | |
4895 | expose_window_tree (XWINDOW (f->root_window), &r); | |
4896 | ||
4897 | if (WINDOWP (f->tool_bar_window)) | |
4898 | { | |
4899 | struct window *w = XWINDOW (f->tool_bar_window); | |
4900 | RECT window_rect; | |
4901 | RECT intersection_rect; | |
4902 | int window_x, window_y, window_width, window_height; | |
4903 | ||
4904 | window_box (w, -1, &window_x, &window_y, &window_width, &window_height); | |
4905 | window_rect.left = window_x; | |
4906 | window_rect.top = window_y; | |
4907 | window_rect.right = window_x + window_width; | |
4908 | window_rect.bottom = window_y + window_height; | |
4909 | ||
4910 | if (w32_intersect_rectangles (&r, &window_rect, &intersection_rect)) | |
4911 | expose_window (w, &intersection_rect); | |
4912 | } | |
4913 | } | |
4914 | ||
4915 | ||
4916 | /* Redraw (parts) of all windows in the window tree rooted at W that | |
4917 | intersect R. R contains frame pixel coordinates. */ | |
4918 | ||
4919 | static void | |
4920 | expose_window_tree (w, r) | |
4921 | struct window *w; | |
4922 | RECT *r; | |
4923 | { | |
4924 | while (w) | |
4925 | { | |
4926 | if (!NILP (w->hchild)) | |
4927 | expose_window_tree (XWINDOW (w->hchild), r); | |
4928 | else if (!NILP (w->vchild)) | |
4929 | expose_window_tree (XWINDOW (w->vchild), r); | |
4930 | else | |
4931 | { | |
4932 | RECT window_rect; | |
4933 | RECT intersection_rect; | |
4934 | struct frame *f = XFRAME (w->frame); | |
4935 | int window_x, window_y, window_width, window_height; | |
4936 | ||
4937 | /* Frame-relative pixel rectangle of W. */ | |
4938 | window_box (w, -1, &window_x, &window_y, &window_width, | |
4939 | &window_height); | |
4940 | window_rect.left | |
4941 | = (window_x | |
4942 | - FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) | |
4943 | - FRAME_LEFT_SCROLL_BAR_WIDTH (f) * CANON_Y_UNIT (f)); | |
4944 | window_rect.top = window_y; | |
4945 | window_rect.right = window_rect.left | |
4946 | + (window_width | |
4947 | + FRAME_X_FLAGS_AREA_WIDTH (f) | |
4948 | + FRAME_SCROLL_BAR_WIDTH (f) * CANON_X_UNIT (f)); | |
4949 | window_rect.bottom = window_rect.top | |
4950 | + window_height + CURRENT_MODE_LINE_HEIGHT (w); | |
4951 | ||
4952 | if (w32_intersect_rectangles (r, &window_rect, &intersection_rect)) | |
4953 | expose_window (w, &intersection_rect); | |
4954 | } | |
4955 | ||
4956 | w = NILP (w->next) ? 0 : XWINDOW (w->next); | |
4957 | } | |
4958 | } | |
4959 | ||
4960 | ||
4961 | /* Redraw the part of glyph row area AREA of glyph row ROW on window W | |
4962 | which intersects rectangle R. R is in window-relative coordinates. */ | |
4963 | ||
4964 | static void | |
4965 | expose_area (w, row, r, area) | |
4966 | struct window *w; | |
4967 | struct glyph_row *row; | |
4968 | RECT *r; | |
4969 | enum glyph_row_area area; | |
4970 | { | |
4971 | int x; | |
4972 | struct glyph *first = row->glyphs[area]; | |
4973 | struct glyph *end = row->glyphs[area] + row->used[area]; | |
4974 | struct glyph *last; | |
4975 | int first_x; | |
4976 | ||
4977 | /* Set x to the window-relative start position for drawing glyphs of | |
4978 | AREA. The first glyph of the text area can be partially visible. | |
4979 | The first glyphs of other areas cannot. */ | |
4980 | if (area == LEFT_MARGIN_AREA) | |
4981 | x = 0; | |
4982 | else if (area == TEXT_AREA) | |
4983 | x = row->x + window_box_width (w, LEFT_MARGIN_AREA); | |
4984 | else | |
4985 | x = (window_box_width (w, LEFT_MARGIN_AREA) | |
4986 | + window_box_width (w, TEXT_AREA)); | |
4987 | ||
4988 | if (area == TEXT_AREA && row->fill_line_p) | |
4989 | /* If row extends face to end of line write the whole line. */ | |
4990 | x_draw_glyphs (w, x, row, area, | |
4991 | 0, row->used[area], | |
4992 | row->inverse_p ? DRAW_INVERSE_VIDEO : DRAW_NORMAL_TEXT, | |
4993 | NULL, NULL, 0); | |
4994 | else | |
4995 | { | |
4996 | /* Find the first glyph that must be redrawn. */ | |
4997 | while (first < end | |
4998 | && x + first->pixel_width < r->left) | |
4999 | { | |
5000 | x += first->pixel_width; | |
5001 | ++first; | |
5002 | } | |
5003 | ||
5004 | /* Find the last one. */ | |
5005 | last = first; | |
5006 | first_x = x; | |
5007 | while (last < end | |
5008 | && x < r->right) | |
5009 | { | |
5010 | x += last->pixel_width; | |
5011 | ++last; | |
5012 | } | |
5013 | ||
5014 | /* Repaint. */ | |
5015 | if (last > first) | |
5016 | x_draw_glyphs (w, first_x, row, area, | |
5017 | first - row->glyphs[area], | |
5018 | last - row->glyphs[area], | |
5019 | row->inverse_p ? DRAW_INVERSE_VIDEO : DRAW_NORMAL_TEXT, | |
5020 | NULL, NULL, 0); | |
5021 | } | |
5022 | } | |
5023 | ||
5024 | ||
5025 | /* Redraw the parts of the glyph row ROW on window W intersecting | |
5026 | rectangle R. R is in window-relative coordinates. */ | |
ee78dc32 | 5027 | |
791f420f JR |
5028 | static void |
5029 | expose_line (w, row, r) | |
5030 | struct window *w; | |
5031 | struct glyph_row *row; | |
5032 | RECT *r; | |
5033 | { | |
5034 | xassert (row->enabled_p); | |
5035 | ||
5036 | if (row->mode_line_p || w->pseudo_window_p) | |
5037 | x_draw_glyphs (w, 0, row, TEXT_AREA, 0, row->used[TEXT_AREA], | |
5038 | row->inverse_p ? DRAW_INVERSE_VIDEO : DRAW_NORMAL_TEXT, | |
5039 | NULL, NULL, 0); | |
ee78dc32 | 5040 | else |
791f420f JR |
5041 | { |
5042 | if (row->used[LEFT_MARGIN_AREA]) | |
5043 | expose_area (w, row, r, LEFT_MARGIN_AREA); | |
5044 | if (row->used[TEXT_AREA]) | |
5045 | expose_area (w, row, r, TEXT_AREA); | |
5046 | if (row->used[RIGHT_MARGIN_AREA]) | |
5047 | expose_area (w, row, r, RIGHT_MARGIN_AREA); | |
5048 | x_draw_row_bitmaps (w, row); | |
5049 | } | |
ee78dc32 | 5050 | } |
ee78dc32 | 5051 | |
ee78dc32 | 5052 | |
791f420f | 5053 | /* Return non-zero if W's cursor intersects rectangle R. */ |
96214669 | 5054 | |
791f420f JR |
5055 | static int |
5056 | x_phys_cursor_in_rect_p (w, r) | |
5057 | struct window *w; | |
5058 | RECT *r; | |
ee78dc32 | 5059 | { |
791f420f JR |
5060 | RECT cr, result; |
5061 | struct glyph *cursor_glyph; | |
ee78dc32 | 5062 | |
791f420f JR |
5063 | cursor_glyph = get_phys_cursor_glyph (w); |
5064 | if (cursor_glyph) | |
ee78dc32 | 5065 | { |
791f420f JR |
5066 | cr.left = w->phys_cursor.x; |
5067 | cr.top = w->phys_cursor.y; | |
5068 | cr.right = cr.left + cursor_glyph->pixel_width; | |
5069 | cr.bottom = cr.top + w->phys_cursor_height; | |
5070 | return w32_intersect_rectangles (&cr, r, &result); | |
ee78dc32 GV |
5071 | } |
5072 | else | |
791f420f | 5073 | return 0; |
ee78dc32 GV |
5074 | } |
5075 | ||
791f420f JR |
5076 | |
5077 | /* Redraw a rectangle of window W. R is a rectangle in window | |
5078 | relative coordinates. Call this function with input blocked. */ | |
5079 | ||
ee78dc32 | 5080 | static void |
791f420f JR |
5081 | expose_window (w, r) |
5082 | struct window *w; | |
5083 | RECT *r; | |
ee78dc32 | 5084 | { |
791f420f JR |
5085 | struct glyph_row *row; |
5086 | int y; | |
5087 | int yb = window_text_bottom_y (w); | |
5088 | int cursor_cleared_p; | |
5089 | ||
5090 | /* If window is not yet fully initialized, do nothing. This can | |
5091 | happen when toolkit scroll bars are used and a window is split. | |
5092 | Reconfiguring the scroll bar will generate an expose for a newly | |
5093 | created window. */ | |
5094 | if (w->current_matrix == NULL) | |
ee78dc32 GV |
5095 | return; |
5096 | ||
791f420f JR |
5097 | TRACE ((stderr, "expose_window (%d, %d, %d, %d)\n", |
5098 | r->left, r->top, r->right, r->bottom)); | |
ee78dc32 | 5099 | |
791f420f JR |
5100 | /* Convert to window coordinates. */ |
5101 | r->left = FRAME_TO_WINDOW_PIXEL_X (w, r->left); | |
5102 | r->top = FRAME_TO_WINDOW_PIXEL_Y (w, r->top); | |
5103 | r->right = FRAME_TO_WINDOW_PIXEL_X (w, r->right); | |
5104 | r->bottom = FRAME_TO_WINDOW_PIXEL_Y (w, r->bottom); | |
ee78dc32 | 5105 | |
791f420f JR |
5106 | /* Turn off the cursor. */ |
5107 | if (!w->pseudo_window_p | |
5108 | && x_phys_cursor_in_rect_p (w, r)) | |
5109 | { | |
5110 | x_clear_cursor (w); | |
5111 | cursor_cleared_p = 1; | |
5112 | } | |
5113 | else | |
5114 | cursor_cleared_p = 0; | |
5115 | ||
5116 | /* Find the first row intersecting the rectangle R. */ | |
5117 | row = w->current_matrix->rows; | |
5118 | y = 0; | |
5119 | while (row->enabled_p | |
5120 | && y < yb | |
5121 | && y + row->height < r->top) | |
5122 | { | |
5123 | y += row->height; | |
5124 | ++row; | |
5125 | } | |
5126 | ||
5127 | /* Display the text in the rectangle, one text line at a time. */ | |
5128 | while (row->enabled_p | |
5129 | && y < yb | |
5130 | && y < r->bottom) | |
5131 | { | |
5132 | expose_line (w, row, r); | |
5133 | y += row->height; | |
5134 | ++row; | |
5135 | } | |
ee78dc32 | 5136 | |
791f420f JR |
5137 | /* Display the mode line if there is one. */ |
5138 | if (WINDOW_WANTS_MODELINE_P (w) | |
5139 | && (row = MATRIX_MODE_LINE_ROW (w->current_matrix), | |
5140 | row->enabled_p) | |
5141 | && row->y < r->bottom) | |
5142 | expose_line (w, row, r); | |
689004fa | 5143 | |
791f420f JR |
5144 | if (!w->pseudo_window_p) |
5145 | { | |
5146 | /* Draw border between windows. */ | |
5147 | x_draw_vertical_border (w); | |
5148 | ||
5149 | /* Turn the cursor on again. */ | |
5150 | if (cursor_cleared_p) | |
5151 | x_update_window_cursor (w, 1); | |
5152 | } | |
ee78dc32 | 5153 | } |
ee78dc32 | 5154 | |
ee78dc32 | 5155 | |
791f420f JR |
5156 | /* Determine the intersection of two rectangles R1 and R2. Return |
5157 | the intersection in *RESULT. Value is non-zero if RESULT is not | |
5158 | empty. */ | |
ee78dc32 | 5159 | |
791f420f JR |
5160 | static int |
5161 | w32_intersect_rectangles (r1, r2, result) | |
5162 | RECT *r1, *r2, *result; | |
5163 | { | |
5164 | RECT *left, *right; | |
5165 | RECT *upper, *lower; | |
5166 | int intersection_p = 0; | |
5167 | ||
9ef2e2cf | 5168 | /* Rerrange so that R1 is the left-most rectangle. */ |
791f420f JR |
5169 | if (r1->left < r2->left) |
5170 | left = r1, right = r2; | |
5171 | else | |
5172 | left = r2, right = r1; | |
ee78dc32 | 5173 | |
791f420f JR |
5174 | /* X0 of the intersection is right.x0, if this is inside R1, |
5175 | otherwise there is no intersection. */ | |
5176 | if (right->left <= left->right) | |
ee78dc32 | 5177 | { |
791f420f JR |
5178 | result->left = right->left; |
5179 | ||
5180 | /* The right end of the intersection is the minimum of the | |
5181 | the right ends of left and right. */ | |
5182 | result->right = min (left->right, right->right); | |
ee78dc32 | 5183 | |
791f420f JR |
5184 | /* Same game for Y. */ |
5185 | if (r1->top < r2->top) | |
5186 | upper = r1, lower = r2; | |
5187 | else | |
5188 | upper = r2, lower = r1; | |
ee78dc32 | 5189 | |
791f420f JR |
5190 | /* The upper end of the intersection is lower.y0, if this is inside |
5191 | of upper. Otherwise, there is no intersection. */ | |
5192 | if (lower->top <= upper->bottom) | |
daffac2f | 5193 | { |
791f420f JR |
5194 | result->top = lower->top; |
5195 | ||
5196 | /* The lower end of the intersection is the minimum of the lower | |
5197 | ends of upper and lower. */ | |
5198 | result->bottom = min (lower->bottom, upper->bottom); | |
5199 | intersection_p = 1; | |
daffac2f | 5200 | } |
ee78dc32 GV |
5201 | } |
5202 | ||
791f420f | 5203 | return intersection_p; |
ee78dc32 | 5204 | } |
791f420f | 5205 | |
9ef2e2cf JR |
5206 | |
5207 | ||
5208 | ||
ee78dc32 GV |
5209 | \f |
5210 | static void | |
5211 | frame_highlight (f) | |
5212 | struct frame *f; | |
5213 | { | |
791f420f | 5214 | x_update_cursor (f, 1); |
ee78dc32 GV |
5215 | } |
5216 | ||
5217 | static void | |
5218 | frame_unhighlight (f) | |
5219 | struct frame *f; | |
5220 | { | |
791f420f | 5221 | x_update_cursor (f, 1); |
ee78dc32 GV |
5222 | } |
5223 | ||
ee78dc32 GV |
5224 | /* The focus has changed. Update the frames as necessary to reflect |
5225 | the new situation. Note that we can't change the selected frame | |
5226 | here, because the Lisp code we are interrupting might become confused. | |
5227 | Each event gets marked with the frame in which it occurred, so the | |
5228 | Lisp code can tell when the switch took place by examining the events. */ | |
5229 | ||
9ef2e2cf | 5230 | static void |
ee78dc32 | 5231 | x_new_focus_frame (dpyinfo, frame) |
fbd6baed | 5232 | struct w32_display_info *dpyinfo; |
ee78dc32 GV |
5233 | struct frame *frame; |
5234 | { | |
fbd6baed | 5235 | struct frame *old_focus = dpyinfo->w32_focus_frame; |
ee78dc32 | 5236 | |
fbd6baed | 5237 | if (frame != dpyinfo->w32_focus_frame) |
ee78dc32 GV |
5238 | { |
5239 | /* Set this before calling other routines, so that they see | |
fbd6baed GV |
5240 | the correct value of w32_focus_frame. */ |
5241 | dpyinfo->w32_focus_frame = frame; | |
ee78dc32 GV |
5242 | |
5243 | if (old_focus && old_focus->auto_lower) | |
5244 | x_lower_frame (old_focus); | |
5245 | ||
fbd6baed GV |
5246 | if (dpyinfo->w32_focus_frame && dpyinfo->w32_focus_frame->auto_raise) |
5247 | pending_autoraise_frame = dpyinfo->w32_focus_frame; | |
ee78dc32 GV |
5248 | else |
5249 | pending_autoraise_frame = 0; | |
5250 | } | |
5251 | ||
5252 | x_frame_rehighlight (dpyinfo); | |
5253 | } | |
5254 | ||
5255 | /* Handle an event saying the mouse has moved out of an Emacs frame. */ | |
5256 | ||
5257 | void | |
5258 | x_mouse_leave (dpyinfo) | |
fbd6baed | 5259 | struct w32_display_info *dpyinfo; |
ee78dc32 | 5260 | { |
fbd6baed | 5261 | x_new_focus_frame (dpyinfo, dpyinfo->w32_focus_event_frame); |
ee78dc32 GV |
5262 | } |
5263 | ||
5264 | /* The focus has changed, or we have redirected a frame's focus to | |
5265 | another frame (this happens when a frame uses a surrogate | |
9ef2e2cf | 5266 | mini-buffer frame). Shift the highlight as appropriate. |
ee78dc32 GV |
5267 | |
5268 | The FRAME argument doesn't necessarily have anything to do with which | |
9ef2e2cf JR |
5269 | frame is being highlighted or un-highlighted; we only use it to find |
5270 | the appropriate X display info. */ | |
5271 | ||
ee78dc32 | 5272 | static void |
fbd6baed | 5273 | w32_frame_rehighlight (frame) |
ee78dc32 GV |
5274 | struct frame *frame; |
5275 | { | |
fbd6baed | 5276 | x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame)); |
ee78dc32 GV |
5277 | } |
5278 | ||
5279 | static void | |
5280 | x_frame_rehighlight (dpyinfo) | |
fbd6baed | 5281 | struct w32_display_info *dpyinfo; |
ee78dc32 | 5282 | { |
fbd6baed | 5283 | struct frame *old_highlight = dpyinfo->w32_highlight_frame; |
ee78dc32 | 5284 | |
fbd6baed | 5285 | if (dpyinfo->w32_focus_frame) |
ee78dc32 | 5286 | { |
fbd6baed GV |
5287 | dpyinfo->w32_highlight_frame |
5288 | = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo->w32_focus_frame))) | |
5289 | ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo->w32_focus_frame)) | |
5290 | : dpyinfo->w32_focus_frame); | |
5291 | if (! FRAME_LIVE_P (dpyinfo->w32_highlight_frame)) | |
ee78dc32 | 5292 | { |
fbd6baed GV |
5293 | FRAME_FOCUS_FRAME (dpyinfo->w32_focus_frame) = Qnil; |
5294 | dpyinfo->w32_highlight_frame = dpyinfo->w32_focus_frame; | |
ee78dc32 GV |
5295 | } |
5296 | } | |
5297 | else | |
fbd6baed | 5298 | dpyinfo->w32_highlight_frame = 0; |
ee78dc32 | 5299 | |
fbd6baed | 5300 | if (dpyinfo->w32_highlight_frame != old_highlight) |
ee78dc32 GV |
5301 | { |
5302 | if (old_highlight) | |
5303 | frame_unhighlight (old_highlight); | |
fbd6baed GV |
5304 | if (dpyinfo->w32_highlight_frame) |
5305 | frame_highlight (dpyinfo->w32_highlight_frame); | |
ee78dc32 GV |
5306 | } |
5307 | } | |
5308 | \f | |
5309 | /* Keyboard processing - modifier keys, etc. */ | |
5310 | ||
5311 | /* Convert a keysym to its name. */ | |
5312 | ||
5313 | char * | |
5314 | x_get_keysym_name (keysym) | |
5315 | int keysym; | |
5316 | { | |
5317 | /* Make static so we can always return it */ | |
5318 | static char value[100]; | |
5319 | ||
5320 | BLOCK_INPUT; | |
5321 | GetKeyNameText(keysym, value, 100); | |
5322 | UNBLOCK_INPUT; | |
5323 | ||
5324 | return value; | |
5325 | } | |
9ef2e2cf JR |
5326 | |
5327 | ||
ee78dc32 GV |
5328 | \f |
5329 | /* Mouse clicks and mouse movement. Rah. */ | |
5330 | ||
9ef2e2cf JR |
5331 | /* Given a pixel position (PIX_X, PIX_Y) on frame F, return glyph |
5332 | co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle that the | |
5333 | glyph at X, Y occupies, if BOUNDS != 0. If NOCLIP is non-zero, do | |
5334 | not force the value into range. */ | |
ee78dc32 GV |
5335 | |
5336 | void | |
5337 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) | |
5338 | FRAME_PTR f; | |
5339 | register int pix_x, pix_y; | |
5340 | register int *x, *y; | |
5341 | RECT *bounds; | |
5342 | int noclip; | |
5343 | { | |
52cf03a1 GV |
5344 | /* Support tty mode: if Vwindow_system is nil, behave correctly. */ |
5345 | if (NILP (Vwindow_system)) | |
5346 | { | |
5347 | *x = pix_x; | |
5348 | *y = pix_y; | |
5349 | return; | |
5350 | } | |
5351 | ||
ee78dc32 GV |
5352 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
5353 | even for negative values. */ | |
5354 | if (pix_x < 0) | |
fbd6baed | 5355 | pix_x -= FONT_WIDTH ((f)->output_data.w32->font) - 1; |
ee78dc32 | 5356 | if (pix_y < 0) |
fbd6baed | 5357 | pix_y -= (f)->output_data.w32->line_height - 1; |
ee78dc32 GV |
5358 | |
5359 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); | |
5360 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
5361 | ||
5362 | if (bounds) | |
5363 | { | |
5364 | bounds->left = CHAR_TO_PIXEL_COL (f, pix_x); | |
5365 | bounds->top = CHAR_TO_PIXEL_ROW (f, pix_y); | |
fbd6baed GV |
5366 | bounds->right = bounds->left + FONT_WIDTH (f->output_data.w32->font) - 1; |
5367 | bounds->bottom = bounds->top + f->output_data.w32->line_height - 1; | |
ee78dc32 GV |
5368 | } |
5369 | ||
5370 | if (!noclip) | |
5371 | { | |
5372 | if (pix_x < 0) | |
5373 | pix_x = 0; | |
5374 | else if (pix_x > f->width) | |
5375 | pix_x = f->width; | |
5376 | ||
5377 | if (pix_y < 0) | |
5378 | pix_y = 0; | |
5379 | else if (pix_y > f->height) | |
5380 | pix_y = f->height; | |
5381 | } | |
5382 | ||
5383 | *x = pix_x; | |
5384 | *y = pix_y; | |
5385 | } | |
5386 | ||
791f420f JR |
5387 | |
5388 | /* Given HPOS/VPOS in the current matrix of W, return corresponding | |
5389 | frame-relative pixel positions in *FRAME_X and *FRAME_Y. If we | |
5390 | can't tell the positions because W's display is not up to date, | |
5391 | return 0. */ | |
5392 | ||
5393 | int | |
5394 | glyph_to_pixel_coords (w, hpos, vpos, frame_x, frame_y) | |
5395 | struct window *w; | |
5396 | int hpos, vpos; | |
5397 | int *frame_x, *frame_y; | |
ee78dc32 | 5398 | { |
791f420f JR |
5399 | int success_p; |
5400 | ||
5401 | xassert (hpos >= 0 && hpos < w->current_matrix->matrix_w); | |
5402 | xassert (vpos >= 0 && vpos < w->current_matrix->matrix_h); | |
5403 | ||
5404 | if (display_completed) | |
52cf03a1 | 5405 | { |
791f420f JR |
5406 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, vpos); |
5407 | struct glyph *glyph = row->glyphs[TEXT_AREA]; | |
5408 | struct glyph *end = glyph + min (hpos, row->used[TEXT_AREA]); | |
5409 | ||
5410 | *frame_y = row->y; | |
5411 | *frame_x = row->x; | |
5412 | while (glyph < end) | |
5413 | { | |
5414 | *frame_x += glyph->pixel_width; | |
5415 | ++glyph; | |
5416 | } | |
5417 | ||
5418 | success_p = 1; | |
5419 | } | |
5420 | else | |
5421 | { | |
5422 | *frame_y = *frame_x = 0; | |
5423 | success_p = 0; | |
52cf03a1 GV |
5424 | } |
5425 | ||
791f420f JR |
5426 | *frame_y = WINDOW_TO_FRAME_PIXEL_Y (w, *frame_y); |
5427 | *frame_x = WINDOW_TO_FRAME_PIXEL_X (w, *frame_x); | |
5428 | return success_p; | |
ee78dc32 GV |
5429 | } |
5430 | ||
5431 | BOOL | |
5432 | parse_button (message, pbutton, pup) | |
5433 | int message; | |
5434 | int * pbutton; | |
5435 | int * pup; | |
5436 | { | |
5437 | int button = 0; | |
5438 | int up = 0; | |
5439 | ||
5440 | switch (message) | |
5441 | { | |
5442 | case WM_LBUTTONDOWN: | |
5443 | button = 0; | |
5444 | up = 0; | |
5445 | break; | |
5446 | case WM_LBUTTONUP: | |
5447 | button = 0; | |
5448 | up = 1; | |
5449 | break; | |
5450 | case WM_MBUTTONDOWN: | |
fbd6baed | 5451 | if (NILP (Vw32_swap_mouse_buttons)) |
52cf03a1 GV |
5452 | button = 1; |
5453 | else | |
5454 | button = 2; | |
ee78dc32 GV |
5455 | up = 0; |
5456 | break; | |
5457 | case WM_MBUTTONUP: | |
fbd6baed | 5458 | if (NILP (Vw32_swap_mouse_buttons)) |
52cf03a1 GV |
5459 | button = 1; |
5460 | else | |
5461 | button = 2; | |
ee78dc32 GV |
5462 | up = 1; |
5463 | break; | |
5464 | case WM_RBUTTONDOWN: | |
fbd6baed | 5465 | if (NILP (Vw32_swap_mouse_buttons)) |
52cf03a1 GV |
5466 | button = 2; |
5467 | else | |
5468 | button = 1; | |
ee78dc32 GV |
5469 | up = 0; |
5470 | break; | |
5471 | case WM_RBUTTONUP: | |
fbd6baed | 5472 | if (NILP (Vw32_swap_mouse_buttons)) |
52cf03a1 GV |
5473 | button = 2; |
5474 | else | |
5475 | button = 1; | |
ee78dc32 GV |
5476 | up = 1; |
5477 | break; | |
5478 | default: | |
5479 | return (FALSE); | |
5480 | } | |
5481 | ||
5482 | if (pup) *pup = up; | |
5483 | if (pbutton) *pbutton = button; | |
5484 | ||
5485 | return (TRUE); | |
5486 | } | |
5487 | ||
5488 | ||
5489 | /* Prepare a mouse-event in *RESULT for placement in the input queue. | |
5490 | ||
5491 | If the event is a button press, then note that we have grabbed | |
5492 | the mouse. */ | |
5493 | ||
5494 | static void | |
5495 | construct_mouse_click (result, msg, f) | |
5496 | struct input_event *result; | |
fbd6baed | 5497 | W32Msg *msg; |
ee78dc32 GV |
5498 | struct frame *f; |
5499 | { | |
5500 | int button; | |
5501 | int up; | |
5502 | ||
5503 | parse_button (msg->msg.message, &button, &up); | |
5504 | ||
5505 | /* Make the event type no_event; we'll change that when we decide | |
5506 | otherwise. */ | |
5507 | result->kind = mouse_click; | |
5508 | result->code = button; | |
5509 | result->timestamp = msg->msg.time; | |
5510 | result->modifiers = (msg->dwModifiers | |
5511 | | (up | |
5512 | ? up_modifier | |
5513 | : down_modifier)); | |
5514 | ||
5515 | { | |
5516 | int row, column; | |
5517 | ||
5518 | XSETINT (result->x, LOWORD (msg->msg.lParam)); | |
5519 | XSETINT (result->y, HIWORD (msg->msg.lParam)); | |
5520 | XSETFRAME (result->frame_or_window, f); | |
5521 | } | |
5522 | } | |
5523 | ||
689004fa GV |
5524 | static void |
5525 | construct_mouse_wheel (result, msg, f) | |
5526 | struct input_event *result; | |
5527 | W32Msg *msg; | |
5528 | struct frame *f; | |
5529 | { | |
5530 | POINT p; | |
5531 | result->kind = mouse_wheel; | |
5532 | result->code = (short) HIWORD (msg->msg.wParam); | |
5533 | result->timestamp = msg->msg.time; | |
5534 | result->modifiers = msg->dwModifiers; | |
5535 | p.x = LOWORD (msg->msg.lParam); | |
5536 | p.y = HIWORD (msg->msg.lParam); | |
5537 | ScreenToClient(msg->msg.hwnd, &p); | |
5538 | XSETINT (result->x, p.x); | |
5539 | XSETINT (result->y, p.y); | |
5540 | XSETFRAME (result->frame_or_window, f); | |
5541 | } | |
5542 | ||
12857dfd RS |
5543 | static void |
5544 | construct_drag_n_drop (result, msg, f) | |
5545 | struct input_event *result; | |
5546 | W32Msg *msg; | |
5547 | struct frame *f; | |
5548 | { | |
5549 | Lisp_Object files; | |
5550 | Lisp_Object frame; | |
5551 | HDROP hdrop; | |
5552 | POINT p; | |
5553 | WORD num_files; | |
5554 | char *name; | |
5555 | int i, len; | |
5556 | ||
5557 | result->kind = drag_n_drop; | |
5558 | result->code = 0; | |
5559 | result->timestamp = msg->msg.time; | |
5560 | result->modifiers = msg->dwModifiers; | |
5561 | ||
fb9cc9cc AI |
5562 | hdrop = (HDROP) msg->msg.wParam; |
5563 | DragQueryPoint (hdrop, &p); | |
5564 | ||
e12ca9c2 | 5565 | #if 0 |
12857dfd RS |
5566 | p.x = LOWORD (msg->msg.lParam); |
5567 | p.y = HIWORD (msg->msg.lParam); | |
5568 | ScreenToClient (msg->msg.hwnd, &p); | |
e12ca9c2 AI |
5569 | #endif |
5570 | ||
12857dfd RS |
5571 | XSETINT (result->x, p.x); |
5572 | XSETINT (result->y, p.y); | |
5573 | ||
12857dfd RS |
5574 | num_files = DragQueryFile (hdrop, 0xFFFFFFFF, NULL, 0); |
5575 | files = Qnil; | |
5576 | ||
5577 | for (i = 0; i < num_files; i++) | |
5578 | { | |
5579 | len = DragQueryFile (hdrop, i, NULL, 0); | |
5580 | if (len <= 0) | |
5581 | continue; | |
5582 | name = alloca (len + 1); | |
5583 | DragQueryFile (hdrop, i, name, len + 1); | |
5584 | files = Fcons (build_string (name), files); | |
5585 | } | |
5586 | ||
5587 | DragFinish (hdrop); | |
5588 | ||
5589 | XSETFRAME (frame, f); | |
5590 | result->frame_or_window = Fcons (frame, files); | |
5591 | } | |
5592 | ||
ee78dc32 GV |
5593 | \f |
5594 | /* Function to report a mouse movement to the mainstream Emacs code. | |
5595 | The input handler calls this. | |
5596 | ||
5597 | We have received a mouse movement event, which is given in *event. | |
5598 | If the mouse is over a different glyph than it was last time, tell | |
5599 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
5600 | another motion event, so we can check again the next time it moves. */ | |
5601 | ||
791f420f JR |
5602 | static MSG last_mouse_motion_event; |
5603 | static Lisp_Object last_mouse_motion_frame; | |
5604 | ||
ee78dc32 GV |
5605 | static void |
5606 | note_mouse_movement (frame, msg) | |
5607 | FRAME_PTR frame; | |
5608 | MSG *msg; | |
5609 | { | |
5610 | last_mouse_movement_time = msg->time; | |
791f420f JR |
5611 | memcpy (&last_mouse_motion_event, msg, sizeof (last_mouse_motion_event)); |
5612 | XSETFRAME (last_mouse_motion_frame, frame); | |
ee78dc32 | 5613 | |
fbd6baed | 5614 | if (msg->hwnd != FRAME_W32_WINDOW (frame)) |
ee78dc32 GV |
5615 | { |
5616 | frame->mouse_moved = 1; | |
5617 | last_mouse_scroll_bar = Qnil; | |
ee78dc32 GV |
5618 | note_mouse_highlight (frame, -1, -1); |
5619 | } | |
5620 | ||
5621 | /* Has the mouse moved off the glyph it was on at the last sighting? */ | |
5622 | else if (LOWORD (msg->lParam) < last_mouse_glyph.left | |
5623 | || LOWORD (msg->lParam) > last_mouse_glyph.right | |
9bf7b6aa | 5624 | || HIWORD (msg->lParam) < last_mouse_glyph.top |
ee78dc32 GV |
5625 | || HIWORD (msg->lParam) > last_mouse_glyph.bottom) |
5626 | { | |
5627 | frame->mouse_moved = 1; | |
5628 | last_mouse_scroll_bar = Qnil; | |
5629 | ||
5630 | note_mouse_highlight (frame, LOWORD (msg->lParam), HIWORD (msg->lParam)); | |
5631 | } | |
5632 | } | |
5633 | ||
5634 | /* This is used for debugging, to turn off note_mouse_highlight. */ | |
9ef2e2cf | 5635 | |
791f420f JR |
5636 | int disable_mouse_highlight; |
5637 | ||
5638 | ||
5639 | \f | |
5640 | /************************************************************************ | |
5641 | Mouse Face | |
5642 | ************************************************************************/ | |
5643 | ||
5644 | /* Find the glyph under window-relative coordinates X/Y in window W. | |
5645 | Consider only glyphs from buffer text, i.e. no glyphs from overlay | |
5646 | strings. Return in *HPOS and *VPOS the row and column number of | |
5647 | the glyph found. Return in *AREA the glyph area containing X. | |
5648 | Value is a pointer to the glyph found or null if X/Y is not on | |
5649 | text, or we can't tell because W's current matrix is not up to | |
5650 | date. */ | |
5651 | ||
5652 | static struct glyph * | |
5653 | x_y_to_hpos_vpos (w, x, y, hpos, vpos, area) | |
5654 | struct window *w; | |
5655 | int x, y; | |
5656 | int *hpos, *vpos, *area; | |
5657 | { | |
5658 | struct glyph *glyph, *end; | |
5659 | struct glyph_row *row; | |
5660 | int x0, i, left_area_width; | |
5661 | ||
5662 | /* Find row containing Y. Give up if some row is not enabled. */ | |
5663 | for (i = 0; i < w->current_matrix->nrows; ++i) | |
5664 | { | |
5665 | row = MATRIX_ROW (w->current_matrix, i); | |
5666 | if (!row->enabled_p) | |
5667 | return NULL; | |
5668 | if (y >= row->y && y < MATRIX_ROW_BOTTOM_Y (row)) | |
5669 | break; | |
5670 | } | |
5671 | ||
5672 | *vpos = i; | |
5673 | *hpos = 0; | |
5674 | ||
5675 | /* Give up if Y is not in the window. */ | |
5676 | if (i == w->current_matrix->nrows) | |
5677 | return NULL; | |
5678 | ||
5679 | /* Get the glyph area containing X. */ | |
5680 | if (w->pseudo_window_p) | |
5681 | { | |
5682 | *area = TEXT_AREA; | |
5683 | x0 = 0; | |
5684 | } | |
5685 | else | |
5686 | { | |
5687 | left_area_width = window_box_width (w, LEFT_MARGIN_AREA); | |
5688 | if (x < left_area_width) | |
5689 | { | |
5690 | *area = LEFT_MARGIN_AREA; | |
5691 | x0 = 0; | |
5692 | } | |
5693 | else if (x < left_area_width + window_box_width (w, TEXT_AREA)) | |
5694 | { | |
5695 | *area = TEXT_AREA; | |
5696 | x0 = row->x + left_area_width; | |
5697 | } | |
5698 | else | |
5699 | { | |
5700 | *area = RIGHT_MARGIN_AREA; | |
5701 | x0 = left_area_width + window_box_width (w, TEXT_AREA); | |
5702 | } | |
5703 | } | |
5704 | ||
5705 | /* Find glyph containing X. */ | |
5706 | glyph = row->glyphs[*area]; | |
5707 | end = glyph + row->used[*area]; | |
5708 | while (glyph < end) | |
5709 | { | |
5710 | if (x < x0 + glyph->pixel_width) | |
5711 | { | |
5712 | if (w->pseudo_window_p) | |
5713 | break; | |
5714 | else if (BUFFERP (glyph->object)) | |
5715 | break; | |
5716 | } | |
5717 | ||
5718 | x0 += glyph->pixel_width; | |
5719 | ++glyph; | |
5720 | } | |
5721 | ||
5722 | if (glyph == end) | |
5723 | return NULL; | |
5724 | ||
5725 | *hpos = glyph - row->glyphs[*area]; | |
5726 | return glyph; | |
5727 | } | |
5728 | ||
5729 | ||
5730 | /* Convert frame-relative x/y to coordinates relative to window W. | |
5731 | Takes pseudo-windows into account. */ | |
5732 | ||
5733 | static void | |
5734 | frame_to_window_pixel_xy (w, x, y) | |
5735 | struct window *w; | |
5736 | int *x, *y; | |
5737 | { | |
5738 | if (w->pseudo_window_p) | |
5739 | { | |
5740 | /* A pseudo-window is always full-width, and starts at the | |
5741 | left edge of the frame, plus a frame border. */ | |
5742 | struct frame *f = XFRAME (w->frame); | |
5743 | *x -= FRAME_INTERNAL_BORDER_WIDTH_SAFE (f); | |
5744 | *y = FRAME_TO_WINDOW_PIXEL_Y (w, *y); | |
5745 | } | |
5746 | else | |
5747 | { | |
5748 | *x = FRAME_TO_WINDOW_PIXEL_X (w, *x); | |
5749 | *y = FRAME_TO_WINDOW_PIXEL_Y (w, *y); | |
5750 | } | |
5751 | } | |
5752 | ||
5753 | ||
5754 | /* Take proper action when mouse has moved to the mode or top line of | |
5755 | window W, x-position X. MODE_LINE_P non-zero means mouse is on the | |
5756 | mode line. X is relative to the start of the text display area of | |
5757 | W, so the width of bitmap areas and scroll bars must be subtracted | |
5758 | to get a position relative to the start of the mode line. */ | |
5759 | ||
5760 | static void | |
5761 | note_mode_line_highlight (w, x, mode_line_p) | |
5762 | struct window *w; | |
5763 | int x, mode_line_p; | |
5764 | { | |
5765 | struct frame *f = XFRAME (w->frame); | |
5766 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); | |
5767 | Cursor cursor = dpyinfo->vertical_scroll_bar_cursor; | |
5768 | struct glyph_row *row; | |
5769 | ||
5770 | if (mode_line_p) | |
5771 | row = MATRIX_MODE_LINE_ROW (w->current_matrix); | |
5772 | else | |
5773 | row = MATRIX_HEADER_LINE_ROW (w->current_matrix); | |
5774 | ||
5775 | if (row->enabled_p) | |
5776 | { | |
5777 | struct glyph *glyph, *end; | |
5778 | Lisp_Object help, map; | |
5779 | int x0; | |
5780 | ||
5781 | /* Find the glyph under X. */ | |
5782 | glyph = row->glyphs[TEXT_AREA]; | |
5783 | end = glyph + row->used[TEXT_AREA]; | |
5784 | x0 = - (FRAME_LEFT_SCROLL_BAR_WIDTH (f) * CANON_X_UNIT (f) | |
5785 | + FRAME_X_LEFT_FLAGS_AREA_WIDTH (f)); | |
5786 | while (glyph < end | |
5787 | && x >= x0 + glyph->pixel_width) | |
5788 | { | |
5789 | x0 += glyph->pixel_width; | |
5790 | ++glyph; | |
5791 | } | |
5792 | ||
5793 | if (glyph < end | |
5794 | && STRINGP (glyph->object) | |
5795 | && XSTRING (glyph->object)->intervals | |
5796 | && glyph->charpos >= 0 | |
5797 | && glyph->charpos < XSTRING (glyph->object)->size) | |
5798 | { | |
5799 | /* If we're on a string with `help-echo' text property, | |
5800 | arrange for the help to be displayed. This is done by | |
5801 | setting the global variable help_echo to the help string. */ | |
5802 | help = Fget_text_property (make_number (glyph->charpos), | |
5803 | Qhelp_echo, glyph->object); | |
b7e80413 | 5804 | if (!NILP (help)) |
791f420f JR |
5805 | help_echo = help; |
5806 | ||
5807 | /* Change the mouse pointer according to what is under X/Y. */ | |
5808 | map = Fget_text_property (make_number (glyph->charpos), | |
5809 | Qlocal_map, glyph->object); | |
5810 | if (!NILP (Fkeymapp (map))) | |
5811 | cursor = f->output_data.w32->nontext_cursor; | |
5812 | } | |
5813 | } | |
9ef2e2cf | 5814 | |
791f420f JR |
5815 | #if 0 /* NTEMACS_TODO: mouse cursor */ |
5816 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), cursor); | |
5817 | #endif | |
5818 | } | |
ee78dc32 | 5819 | |
9ef2e2cf JR |
5820 | |
5821 | /* Take proper action when the mouse has moved to position X, Y on | |
5822 | frame F as regards highlighting characters that have mouse-face | |
5823 | properties. Also de-highlighting chars where the mouse was before. | |
ee78dc32 GV |
5824 | X and Y can be negative or out of range. */ |
5825 | ||
5826 | static void | |
5827 | note_mouse_highlight (f, x, y) | |
9ef2e2cf | 5828 | struct frame *f; |
ee78dc32 GV |
5829 | int x, y; |
5830 | { | |
791f420f JR |
5831 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); |
5832 | int portion; | |
ee78dc32 GV |
5833 | Lisp_Object window; |
5834 | struct window *w; | |
5835 | ||
791f420f JR |
5836 | /* When a menu is active, don't highlight because this looks odd. */ |
5837 | if (popup_activated ()) | |
5838 | return; | |
5839 | ||
9ef2e2cf JR |
5840 | if (disable_mouse_highlight |
5841 | || !f->glyphs_initialized_p) | |
ee78dc32 GV |
5842 | return; |
5843 | ||
791f420f JR |
5844 | dpyinfo->mouse_face_mouse_x = x; |
5845 | dpyinfo->mouse_face_mouse_y = y; | |
5846 | dpyinfo->mouse_face_mouse_frame = f; | |
ee78dc32 | 5847 | |
791f420f | 5848 | if (dpyinfo->mouse_face_defer) |
ee78dc32 GV |
5849 | return; |
5850 | ||
5851 | if (gc_in_progress) | |
5852 | { | |
791f420f | 5853 | dpyinfo->mouse_face_deferred_gc = 1; |
ee78dc32 GV |
5854 | return; |
5855 | } | |
5856 | ||
ee78dc32 | 5857 | /* Which window is that in? */ |
791f420f | 5858 | window = window_from_coordinates (f, x, y, &portion, 1); |
ee78dc32 GV |
5859 | |
5860 | /* If we were displaying active text in another window, clear that. */ | |
791f420f JR |
5861 | if (! EQ (window, dpyinfo->mouse_face_window)) |
5862 | clear_mouse_face (dpyinfo); | |
5863 | ||
5864 | /* Not on a window -> return. */ | |
5865 | if (!WINDOWP (window)) | |
5866 | return; | |
5867 | ||
5868 | /* Convert to window-relative pixel coordinates. */ | |
5869 | w = XWINDOW (window); | |
5870 | frame_to_window_pixel_xy (w, &x, &y); | |
5871 | ||
5872 | /* Handle tool-bar window differently since it doesn't display a | |
5873 | buffer. */ | |
5874 | if (EQ (window, f->tool_bar_window)) | |
5875 | { | |
5876 | note_tool_bar_highlight (f, x, y); | |
5877 | return; | |
5878 | } | |
5879 | ||
5880 | if (portion == 1 || portion == 3) | |
5881 | { | |
5882 | /* Mouse is on the mode or top line. */ | |
5883 | note_mode_line_highlight (w, x, portion == 1); | |
5884 | return; | |
5885 | } | |
5886 | #if 0 /* NTEMACS_TODO: mouse cursor */ | |
5887 | else | |
5888 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
5889 | f->output_data.x->text_cursor); | |
5890 | #endif | |
ee78dc32 GV |
5891 | |
5892 | /* Are we in a window whose display is up to date? | |
5893 | And verify the buffer's text has not changed. */ | |
9ef2e2cf | 5894 | if (/* Within text portion of the window. */ |
791f420f | 5895 | portion == 0 |
ee78dc32 | 5896 | && EQ (w->window_end_valid, w->buffer) |
9ef2e2cf JR |
5897 | && XFASTINT (w->last_modified) == BUF_MODIFF (XBUFFER (w->buffer)) |
5898 | && (XFASTINT (w->last_overlay_modified) | |
5899 | == BUF_OVERLAY_MODIFF (XBUFFER (w->buffer)))) | |
ee78dc32 | 5900 | { |
791f420f JR |
5901 | int hpos, vpos, pos, i, area; |
5902 | struct glyph *glyph; | |
5903 | ||
5904 | /* Find the glyph under X/Y. */ | |
5905 | glyph = x_y_to_hpos_vpos (w, x, y, &hpos, &vpos, &area); | |
5906 | ||
5907 | /* Clear mouse face if X/Y not over text. */ | |
5908 | if (glyph == NULL | |
5909 | || area != TEXT_AREA | |
5910 | || !MATRIX_ROW (w->current_matrix, vpos)->displays_text_p) | |
5911 | { | |
5912 | clear_mouse_face (dpyinfo); | |
5913 | return; | |
5914 | } | |
5915 | ||
5916 | pos = glyph->charpos; | |
5917 | xassert (w->pseudo_window_p || BUFFERP (glyph->object)); | |
5918 | ||
5919 | /* Check for mouse-face and help-echo. */ | |
5920 | { | |
5921 | Lisp_Object mouse_face, overlay, position; | |
5922 | Lisp_Object *overlay_vec; | |
5923 | int len, noverlays; | |
5924 | struct buffer *obuf; | |
5925 | int obegv, ozv; | |
5926 | ||
5927 | /* If we get an out-of-range value, return now; avoid an error. */ | |
5928 | if (pos > BUF_Z (XBUFFER (w->buffer))) | |
5929 | return; | |
5930 | ||
5931 | /* Make the window's buffer temporarily current for | |
5932 | overlays_at and compute_char_face. */ | |
5933 | obuf = current_buffer; | |
5934 | current_buffer = XBUFFER (w->buffer); | |
5935 | obegv = BEGV; | |
5936 | ozv = ZV; | |
5937 | BEGV = BEG; | |
5938 | ZV = Z; | |
5939 | ||
5940 | /* Is this char mouse-active or does it have help-echo? */ | |
5941 | XSETINT (position, pos); | |
5942 | ||
5943 | /* Put all the overlays we want in a vector in overlay_vec. | |
5944 | Store the length in len. If there are more than 10, make | |
5945 | enough space for all, and try again. */ | |
5946 | len = 10; | |
5947 | overlay_vec = (Lisp_Object *) alloca (len * sizeof (Lisp_Object)); | |
5948 | noverlays = overlays_at (pos, 0, &overlay_vec, &len, NULL, NULL); | |
5949 | if (noverlays > len) | |
5950 | { | |
5951 | len = noverlays; | |
5952 | overlay_vec = (Lisp_Object *) alloca (len * sizeof (Lisp_Object)); | |
5953 | noverlays = overlays_at (pos, 0, &overlay_vec, &len, NULL, NULL); | |
5954 | } | |
5955 | ||
5956 | noverlays = sort_overlays (overlay_vec, noverlays, w); | |
5957 | ||
5958 | /* Check mouse-face highlighting. */ | |
5959 | if (! (EQ (window, dpyinfo->mouse_face_window) | |
5960 | && vpos >= dpyinfo->mouse_face_beg_row | |
5961 | && vpos <= dpyinfo->mouse_face_end_row | |
5962 | && (vpos > dpyinfo->mouse_face_beg_row | |
5963 | || hpos >= dpyinfo->mouse_face_beg_col) | |
5964 | && (vpos < dpyinfo->mouse_face_end_row | |
5965 | || hpos < dpyinfo->mouse_face_end_col | |
5966 | || dpyinfo->mouse_face_past_end))) | |
5967 | { | |
5968 | /* Clear the display of the old active region, if any. */ | |
5969 | clear_mouse_face (dpyinfo); | |
5970 | ||
5971 | /* Find the highest priority overlay that has a mouse-face prop. */ | |
5972 | overlay = Qnil; | |
5973 | for (i = 0; i < noverlays; i++) | |
5974 | { | |
5975 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
5976 | if (!NILP (mouse_face)) | |
5977 | { | |
5978 | overlay = overlay_vec[i]; | |
5979 | break; | |
5980 | } | |
5981 | } | |
5982 | ||
5983 | /* If no overlay applies, get a text property. */ | |
5984 | if (NILP (overlay)) | |
5985 | mouse_face = Fget_text_property (position, Qmouse_face, w->buffer); | |
5986 | ||
5987 | /* Handle the overlay case. */ | |
5988 | if (! NILP (overlay)) | |
5989 | { | |
5990 | /* Find the range of text around this char that | |
5991 | should be active. */ | |
5992 | Lisp_Object before, after; | |
5993 | int ignore; | |
5994 | ||
5995 | before = Foverlay_start (overlay); | |
5996 | after = Foverlay_end (overlay); | |
5997 | /* Record this as the current active region. */ | |
5998 | fast_find_position (w, XFASTINT (before), | |
5999 | &dpyinfo->mouse_face_beg_col, | |
6000 | &dpyinfo->mouse_face_beg_row, | |
6001 | &dpyinfo->mouse_face_beg_x, | |
6002 | &dpyinfo->mouse_face_beg_y); | |
6003 | dpyinfo->mouse_face_past_end | |
6004 | = !fast_find_position (w, XFASTINT (after), | |
6005 | &dpyinfo->mouse_face_end_col, | |
6006 | &dpyinfo->mouse_face_end_row, | |
6007 | &dpyinfo->mouse_face_end_x, | |
6008 | &dpyinfo->mouse_face_end_y); | |
6009 | dpyinfo->mouse_face_window = window; | |
6010 | dpyinfo->mouse_face_face_id | |
6011 | = face_at_buffer_position (w, pos, 0, 0, | |
6012 | &ignore, pos + 1, 1); | |
6013 | ||
6014 | /* Display it as active. */ | |
6015 | show_mouse_face (dpyinfo, DRAW_MOUSE_FACE); | |
6016 | } | |
6017 | /* Handle the text property case. */ | |
6018 | else if (! NILP (mouse_face)) | |
6019 | { | |
6020 | /* Find the range of text around this char that | |
6021 | should be active. */ | |
6022 | Lisp_Object before, after, beginning, end; | |
6023 | int ignore; | |
6024 | ||
6025 | beginning = Fmarker_position (w->start); | |
6026 | XSETINT (end, (BUF_Z (XBUFFER (w->buffer)) | |
6027 | - XFASTINT (w->window_end_pos))); | |
6028 | before | |
6029 | = Fprevious_single_property_change (make_number (pos + 1), | |
6030 | Qmouse_face, | |
6031 | w->buffer, beginning); | |
6032 | after | |
6033 | = Fnext_single_property_change (position, Qmouse_face, | |
6034 | w->buffer, end); | |
6035 | /* Record this as the current active region. */ | |
6036 | fast_find_position (w, XFASTINT (before), | |
6037 | &dpyinfo->mouse_face_beg_col, | |
6038 | &dpyinfo->mouse_face_beg_row, | |
6039 | &dpyinfo->mouse_face_beg_x, | |
6040 | &dpyinfo->mouse_face_beg_y); | |
6041 | dpyinfo->mouse_face_past_end | |
6042 | = !fast_find_position (w, XFASTINT (after), | |
6043 | &dpyinfo->mouse_face_end_col, | |
6044 | &dpyinfo->mouse_face_end_row, | |
6045 | &dpyinfo->mouse_face_end_x, | |
6046 | &dpyinfo->mouse_face_end_y); | |
6047 | dpyinfo->mouse_face_window = window; | |
6048 | dpyinfo->mouse_face_face_id | |
6049 | = face_at_buffer_position (w, pos, 0, 0, | |
6050 | &ignore, pos + 1, 1); | |
6051 | ||
6052 | /* Display it as active. */ | |
6053 | show_mouse_face (dpyinfo, DRAW_MOUSE_FACE); | |
6054 | } | |
6055 | } | |
6056 | ||
6057 | /* Look for a `help-echo' property. */ | |
6058 | { | |
6059 | Lisp_Object help; | |
6060 | ||
6061 | /* Check overlays first. */ | |
6062 | help = Qnil; | |
b7e80413 | 6063 | for (i = 0; i < noverlays && NILP (help); ++i) |
791f420f JR |
6064 | help = Foverlay_get (overlay_vec[i], Qhelp_echo); |
6065 | ||
6066 | /* Try text properties. */ | |
b7e80413 | 6067 | if (NILP (help) |
791f420f JR |
6068 | && ((STRINGP (glyph->object) |
6069 | && glyph->charpos >= 0 | |
6070 | && glyph->charpos < XSTRING (glyph->object)->size) | |
6071 | || (BUFFERP (glyph->object) | |
6072 | && glyph->charpos >= BEGV | |
6073 | && glyph->charpos < ZV))) | |
6074 | help = Fget_text_property (make_number (glyph->charpos), | |
6075 | Qhelp_echo, glyph->object); | |
6076 | ||
b7e80413 | 6077 | if (!NILP (help)) |
791f420f JR |
6078 | help_echo = help; |
6079 | } | |
6080 | ||
6081 | BEGV = obegv; | |
6082 | ZV = ozv; | |
6083 | current_buffer = obuf; | |
6084 | } | |
6085 | } | |
6086 | } | |
6087 | ||
791f420f JR |
6088 | static void |
6089 | redo_mouse_highlight () | |
6090 | { | |
6091 | if (!NILP (last_mouse_motion_frame) | |
6092 | && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame))) | |
6093 | note_mouse_highlight (XFRAME (last_mouse_motion_frame), | |
6094 | LOWORD (last_mouse_motion_event.lParam), | |
6095 | HIWORD (last_mouse_motion_event.lParam)); | |
6096 | } | |
6097 | ||
6098 | ||
6099 | \f | |
6100 | /*********************************************************************** | |
6101 | Tool-bars | |
6102 | ***********************************************************************/ | |
6103 | ||
6104 | static int x_tool_bar_item P_ ((struct frame *, int, int, | |
6105 | struct glyph **, int *, int *, int *)); | |
6106 | ||
6107 | /* Tool-bar item index of the item on which a mouse button was pressed | |
6108 | or -1. */ | |
6109 | ||
6110 | static int last_tool_bar_item; | |
6111 | ||
6112 | ||
6113 | /* Get information about the tool-bar item at position X/Y on frame F. | |
6114 | Return in *GLYPH a pointer to the glyph of the tool-bar item in | |
6115 | the current matrix of the tool-bar window of F, or NULL if not | |
6116 | on a tool-bar item. Return in *PROP_IDX the index of the tool-bar | |
6117 | item in F->current_tool_bar_items. Value is | |
6118 | ||
6119 | -1 if X/Y is not on a tool-bar item | |
6120 | 0 if X/Y is on the same item that was highlighted before. | |
6121 | 1 otherwise. */ | |
6122 | ||
6123 | static int | |
6124 | x_tool_bar_item (f, x, y, glyph, hpos, vpos, prop_idx) | |
6125 | struct frame *f; | |
6126 | int x, y; | |
6127 | struct glyph **glyph; | |
6128 | int *hpos, *vpos, *prop_idx; | |
6129 | { | |
6130 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); | |
6131 | struct window *w = XWINDOW (f->tool_bar_window); | |
6132 | int area; | |
6133 | ||
6134 | /* Find the glyph under X/Y. */ | |
6135 | *glyph = x_y_to_hpos_vpos (w, x, y, hpos, vpos, &area); | |
6136 | if (*glyph == NULL) | |
6137 | return -1; | |
6138 | ||
6139 | /* Get the start of this tool-bar item's properties in | |
6140 | f->current_tool_bar_items. */ | |
6141 | if (!tool_bar_item_info (f, *glyph, prop_idx)) | |
6142 | return -1; | |
6143 | ||
6144 | /* Is mouse on the highlighted item? */ | |
6145 | if (EQ (f->tool_bar_window, dpyinfo->mouse_face_window) | |
6146 | && *vpos >= dpyinfo->mouse_face_beg_row | |
6147 | && *vpos <= dpyinfo->mouse_face_end_row | |
6148 | && (*vpos > dpyinfo->mouse_face_beg_row | |
6149 | || *hpos >= dpyinfo->mouse_face_beg_col) | |
6150 | && (*vpos < dpyinfo->mouse_face_end_row | |
6151 | || *hpos < dpyinfo->mouse_face_end_col | |
6152 | || dpyinfo->mouse_face_past_end)) | |
6153 | return 0; | |
6154 | ||
6155 | return 1; | |
6156 | } | |
6157 | ||
6158 | ||
9ef2e2cf | 6159 | /* Handle mouse button event on the tool-bar of frame F, at |
791f420f JR |
6160 | frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress |
6161 | or ButtonRelase. */ | |
6162 | ||
6163 | static void | |
6164 | w32_handle_tool_bar_click (f, button_event) | |
6165 | struct frame *f; | |
6166 | struct input_event *button_event; | |
6167 | { | |
6168 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); | |
6169 | struct window *w = XWINDOW (f->tool_bar_window); | |
6170 | int hpos, vpos, prop_idx; | |
6171 | struct glyph *glyph; | |
6172 | Lisp_Object enabled_p; | |
6173 | int x = XFASTINT (button_event->x); | |
6174 | int y = XFASTINT (button_event->y); | |
6175 | ||
6176 | /* If not on the highlighted tool-bar item, return. */ | |
6177 | frame_to_window_pixel_xy (w, &x, &y); | |
6178 | if (x_tool_bar_item (f, x, y, &glyph, &hpos, &vpos, &prop_idx) != 0) | |
6179 | return; | |
6180 | ||
6181 | /* If item is disabled, do nothing. */ | |
6182 | enabled_p = (XVECTOR (f->current_tool_bar_items) | |
6183 | ->contents[prop_idx + TOOL_BAR_ITEM_ENABLED_P]); | |
6184 | if (NILP (enabled_p)) | |
6185 | return; | |
6186 | ||
6187 | if (button_event->kind == mouse_click) | |
6188 | { | |
6189 | /* Show item in pressed state. */ | |
6190 | show_mouse_face (dpyinfo, DRAW_IMAGE_SUNKEN); | |
6191 | dpyinfo->mouse_face_image_state = DRAW_IMAGE_SUNKEN; | |
6192 | last_tool_bar_item = prop_idx; | |
6193 | } | |
6194 | else | |
6195 | { | |
6196 | Lisp_Object key, frame; | |
6197 | struct input_event event; | |
6198 | ||
6199 | /* Show item in released state. */ | |
6200 | show_mouse_face (dpyinfo, DRAW_IMAGE_RAISED); | |
6201 | dpyinfo->mouse_face_image_state = DRAW_IMAGE_RAISED; | |
6202 | ||
6203 | key = (XVECTOR (f->current_tool_bar_items) | |
6204 | ->contents[prop_idx + TOOL_BAR_ITEM_KEY]); | |
6205 | ||
6206 | XSETFRAME (frame, f); | |
6207 | event.kind = TOOL_BAR_EVENT; | |
c8b33aa6 GM |
6208 | event.frame_or_window = frame; |
6209 | event.arg = frame; | |
791f420f JR |
6210 | kbd_buffer_store_event (&event); |
6211 | ||
6212 | event.kind = TOOL_BAR_EVENT; | |
c8b33aa6 GM |
6213 | event.frame_or_window = frame; |
6214 | event.arg = key; | |
791f420f JR |
6215 | event.modifiers = button_event->modifiers; |
6216 | kbd_buffer_store_event (&event); | |
6217 | last_tool_bar_item = -1; | |
6218 | } | |
6219 | } | |
6220 | ||
6221 | ||
9ef2e2cf | 6222 | /* Possibly highlight a tool-bar item on frame F when mouse moves to |
791f420f JR |
6223 | tool-bar window-relative coordinates X/Y. Called from |
6224 | note_mouse_highlight. */ | |
6225 | ||
6226 | static void | |
6227 | note_tool_bar_highlight (f, x, y) | |
6228 | struct frame *f; | |
6229 | int x, y; | |
6230 | { | |
6231 | Lisp_Object window = f->tool_bar_window; | |
6232 | struct window *w = XWINDOW (window); | |
6233 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); | |
6234 | int hpos, vpos; | |
6235 | struct glyph *glyph; | |
6236 | struct glyph_row *row; | |
6237 | int i; | |
6238 | Lisp_Object enabled_p; | |
6239 | int prop_idx; | |
6240 | enum draw_glyphs_face draw = DRAW_IMAGE_RAISED; | |
6241 | int mouse_down_p, rc; | |
6242 | ||
6243 | /* Function note_mouse_highlight is called with negative x(y | |
6244 | values when mouse moves outside of the frame. */ | |
6245 | if (x <= 0 || y <= 0) | |
6246 | { | |
6247 | clear_mouse_face (dpyinfo); | |
6248 | return; | |
6249 | } | |
6250 | ||
6251 | rc = x_tool_bar_item (f, x, y, &glyph, &hpos, &vpos, &prop_idx); | |
6252 | if (rc < 0) | |
6253 | { | |
6254 | /* Not on tool-bar item. */ | |
6255 | clear_mouse_face (dpyinfo); | |
6256 | return; | |
6257 | } | |
6258 | else if (rc == 0) | |
6259 | /* On same tool-bar item as before. */ | |
6260 | goto set_help_echo; | |
ee78dc32 | 6261 | |
791f420f JR |
6262 | clear_mouse_face (dpyinfo); |
6263 | ||
6264 | /* Mouse is down, but on different tool-bar item? */ | |
6265 | mouse_down_p = (dpyinfo->grabbed | |
6266 | && f == last_mouse_frame | |
6267 | && FRAME_LIVE_P (f)); | |
6268 | if (mouse_down_p | |
6269 | && last_tool_bar_item != prop_idx) | |
6270 | return; | |
ee78dc32 | 6271 | |
791f420f JR |
6272 | dpyinfo->mouse_face_image_state = DRAW_NORMAL_TEXT; |
6273 | draw = mouse_down_p ? DRAW_IMAGE_SUNKEN : DRAW_IMAGE_RAISED; | |
6274 | ||
6275 | /* If tool-bar item is not enabled, don't highlight it. */ | |
6276 | enabled_p = (XVECTOR (f->current_tool_bar_items) | |
6277 | ->contents[prop_idx + TOOL_BAR_ITEM_ENABLED_P]); | |
6278 | if (!NILP (enabled_p)) | |
6279 | { | |
6280 | /* Compute the x-position of the glyph. In front and past the | |
6281 | image is a space. We include this is the highlighted area. */ | |
6282 | row = MATRIX_ROW (w->current_matrix, vpos); | |
6283 | for (i = x = 0; i < hpos; ++i) | |
6284 | x += row->glyphs[TEXT_AREA][i].pixel_width; | |
6285 | ||
6286 | /* Record this as the current active region. */ | |
6287 | dpyinfo->mouse_face_beg_col = hpos; | |
6288 | dpyinfo->mouse_face_beg_row = vpos; | |
6289 | dpyinfo->mouse_face_beg_x = x; | |
6290 | dpyinfo->mouse_face_beg_y = row->y; | |
6291 | dpyinfo->mouse_face_past_end = 0; | |
6292 | ||
6293 | dpyinfo->mouse_face_end_col = hpos + 1; | |
6294 | dpyinfo->mouse_face_end_row = vpos; | |
6295 | dpyinfo->mouse_face_end_x = x + glyph->pixel_width; | |
6296 | dpyinfo->mouse_face_end_y = row->y; | |
6297 | dpyinfo->mouse_face_window = window; | |
6298 | dpyinfo->mouse_face_face_id = TOOL_BAR_FACE_ID; | |
6299 | ||
6300 | /* Display it as active. */ | |
6301 | show_mouse_face (dpyinfo, draw); | |
6302 | dpyinfo->mouse_face_image_state = draw; | |
ee78dc32 | 6303 | } |
791f420f JR |
6304 | |
6305 | set_help_echo: | |
6306 | ||
6307 | /* Set help_echo to a help string.to display for this tool-bar item. | |
6308 | w32_read_socket does the rest. */ | |
6309 | help_echo = (XVECTOR (f->current_tool_bar_items) | |
6310 | ->contents[prop_idx + TOOL_BAR_ITEM_HELP]); | |
b7e80413 | 6311 | if (NILP (help_echo)) |
791f420f JR |
6312 | help_echo = (XVECTOR (f->current_tool_bar_items) |
6313 | ->contents[prop_idx + TOOL_BAR_ITEM_CAPTION]); | |
ee78dc32 | 6314 | } |
ee78dc32 | 6315 | |
9ef2e2cf | 6316 | |
791f420f JR |
6317 | \f |
6318 | /* Find the glyph matrix position of buffer position POS in window W. | |
6319 | *HPOS, *VPOS, *X, and *Y are set to the positions found. W's | |
6320 | current glyphs must be up to date. If POS is above window start | |
6321 | return (0, 0, 0, 0). If POS is after end of W, return end of | |
6322 | last line in W. */ | |
ee78dc32 GV |
6323 | |
6324 | static int | |
791f420f JR |
6325 | fast_find_position (w, pos, hpos, vpos, x, y) |
6326 | struct window *w; | |
ee78dc32 | 6327 | int pos; |
791f420f | 6328 | int *hpos, *vpos, *x, *y; |
ee78dc32 | 6329 | { |
ee78dc32 | 6330 | int i; |
ee78dc32 | 6331 | int lastcol; |
791f420f JR |
6332 | int maybe_next_line_p = 0; |
6333 | int line_start_position; | |
6334 | int yb = window_text_bottom_y (w); | |
6335 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, 0); | |
6336 | struct glyph_row *best_row = row; | |
6337 | int row_vpos = 0, best_row_vpos = 0; | |
6338 | int current_x; | |
6339 | ||
6340 | while (row->y < yb) | |
ee78dc32 | 6341 | { |
791f420f JR |
6342 | if (row->used[TEXT_AREA]) |
6343 | line_start_position = row->glyphs[TEXT_AREA]->charpos; | |
6344 | else | |
6345 | line_start_position = 0; | |
6346 | ||
6347 | if (line_start_position > pos) | |
ee78dc32 GV |
6348 | break; |
6349 | /* If the position sought is the end of the buffer, | |
6350 | don't include the blank lines at the bottom of the window. */ | |
791f420f JR |
6351 | else if (line_start_position == pos |
6352 | && pos == BUF_ZV (XBUFFER (w->buffer))) | |
ee78dc32 | 6353 | { |
791f420f | 6354 | maybe_next_line_p = 1; |
ee78dc32 GV |
6355 | break; |
6356 | } | |
791f420f JR |
6357 | else if (line_start_position > 0) |
6358 | { | |
6359 | best_row = row; | |
6360 | best_row_vpos = row_vpos; | |
6361 | } | |
6362 | ||
9ef2e2cf JR |
6363 | if (row->y + row->height >= yb) |
6364 | break; | |
6365 | ||
791f420f JR |
6366 | ++row; |
6367 | ++row_vpos; | |
ee78dc32 GV |
6368 | } |
6369 | ||
791f420f JR |
6370 | /* Find the right column within BEST_ROW. */ |
6371 | lastcol = 0; | |
6372 | current_x = best_row->x; | |
6373 | for (i = 0; i < best_row->used[TEXT_AREA]; i++) | |
ee78dc32 | 6374 | { |
791f420f JR |
6375 | struct glyph *glyph = best_row->glyphs[TEXT_AREA] + i; |
6376 | int charpos; | |
6377 | ||
6378 | charpos = glyph->charpos; | |
6379 | if (charpos == pos) | |
ee78dc32 | 6380 | { |
791f420f JR |
6381 | *hpos = i; |
6382 | *vpos = best_row_vpos; | |
6383 | *x = current_x; | |
6384 | *y = best_row->y; | |
ee78dc32 GV |
6385 | return 1; |
6386 | } | |
791f420f | 6387 | else if (charpos > pos) |
ee78dc32 | 6388 | break; |
791f420f JR |
6389 | else if (charpos > 0) |
6390 | lastcol = i; | |
6391 | ||
6392 | current_x += glyph->pixel_width; | |
ee78dc32 GV |
6393 | } |
6394 | ||
6395 | /* If we're looking for the end of the buffer, | |
6396 | and we didn't find it in the line we scanned, | |
6397 | use the start of the following line. */ | |
791f420f | 6398 | if (maybe_next_line_p) |
ee78dc32 | 6399 | { |
791f420f JR |
6400 | ++best_row; |
6401 | ++best_row_vpos; | |
6402 | lastcol = 0; | |
6403 | current_x = best_row->x; | |
ee78dc32 GV |
6404 | } |
6405 | ||
791f420f JR |
6406 | *vpos = best_row_vpos; |
6407 | *hpos = lastcol + 1; | |
6408 | *x = current_x; | |
6409 | *y = best_row->y; | |
ee78dc32 GV |
6410 | return 0; |
6411 | } | |
6412 | ||
791f420f | 6413 | |
ee78dc32 GV |
6414 | /* Display the active region described by mouse_face_* |
6415 | in its mouse-face if HL > 0, in its normal face if HL = 0. */ | |
6416 | ||
6417 | static void | |
791f420f | 6418 | show_mouse_face (dpyinfo, draw) |
fbd6baed | 6419 | struct w32_display_info *dpyinfo; |
791f420f | 6420 | enum draw_glyphs_face draw; |
ee78dc32 GV |
6421 | { |
6422 | struct window *w = XWINDOW (dpyinfo->mouse_face_window); | |
791f420f | 6423 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
ee78dc32 | 6424 | int i; |
791f420f JR |
6425 | int cursor_off_p = 0; |
6426 | struct cursor_pos saved_cursor; | |
6427 | ||
6428 | saved_cursor = output_cursor; | |
6429 | ||
6430 | /* If window is in the process of being destroyed, don't bother | |
6431 | to do anything. */ | |
6432 | if (w->current_matrix == NULL) | |
6433 | goto set_x_cursor; | |
6434 | ||
6435 | /* Recognize when we are called to operate on rows that don't exist | |
6436 | anymore. This can happen when a window is split. */ | |
6437 | if (dpyinfo->mouse_face_end_row >= w->current_matrix->nrows) | |
6438 | goto set_x_cursor; | |
6439 | ||
6440 | set_output_cursor (&w->phys_cursor); | |
6441 | ||
6442 | /* Note that mouse_face_beg_row etc. are window relative. */ | |
6443 | for (i = dpyinfo->mouse_face_beg_row; | |
6444 | i <= dpyinfo->mouse_face_end_row; | |
6445 | i++) | |
6446 | { | |
6447 | int start_hpos, end_hpos, start_x; | |
6448 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, i); | |
6449 | ||
6450 | /* Don't do anything if row doesn't have valid contents. */ | |
6451 | if (!row->enabled_p) | |
6452 | continue; | |
6453 | ||
6454 | /* For all but the first row, the highlight starts at column 0. */ | |
6455 | if (i == dpyinfo->mouse_face_beg_row) | |
6456 | { | |
6457 | start_hpos = dpyinfo->mouse_face_beg_col; | |
6458 | start_x = dpyinfo->mouse_face_beg_x; | |
6459 | } | |
6460 | else | |
6461 | { | |
6462 | start_hpos = 0; | |
6463 | start_x = 0; | |
6464 | } | |
6465 | ||
6466 | if (i == dpyinfo->mouse_face_end_row) | |
6467 | end_hpos = dpyinfo->mouse_face_end_col; | |
6468 | else | |
6469 | end_hpos = row->used[TEXT_AREA]; | |
6470 | ||
6471 | /* If the cursor's in the text we are about to rewrite, turn the | |
6472 | cursor off. */ | |
6473 | if (!w->pseudo_window_p | |
6474 | && i == output_cursor.vpos | |
6475 | && output_cursor.hpos >= start_hpos - 1 | |
6476 | && output_cursor.hpos <= end_hpos) | |
ee78dc32 | 6477 | { |
791f420f JR |
6478 | x_update_window_cursor (w, 0); |
6479 | cursor_off_p = 1; | |
ee78dc32 GV |
6480 | } |
6481 | ||
791f420f JR |
6482 | if (end_hpos > start_hpos) |
6483 | x_draw_glyphs (w, start_x, row, TEXT_AREA, | |
6484 | start_hpos, end_hpos, draw, NULL, NULL, 0); | |
ee78dc32 GV |
6485 | } |
6486 | ||
6487 | /* If we turned the cursor off, turn it back on. */ | |
791f420f JR |
6488 | if (cursor_off_p) |
6489 | x_display_cursor (w, 1, | |
6490 | output_cursor.hpos, output_cursor.vpos, | |
6491 | output_cursor.x, output_cursor.y); | |
6492 | ||
6493 | output_cursor = saved_cursor; | |
6494 | ||
6495 | set_x_cursor: | |
6496 | #if 0 /* NTEMACS_TODO: mouse cursor */ | |
6497 | /* Change the mouse cursor. */ | |
6498 | if (draw == DRAW_NORMAL_TEXT) | |
6499 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
6500 | f->output_data.x->text_cursor); | |
6501 | else if (draw == DRAW_MOUSE_FACE) | |
6502 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
6503 | f->output_data.x->cross_cursor); | |
ee78dc32 | 6504 | else |
791f420f JR |
6505 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
6506 | f->output_data.x->nontext_cursor); | |
6507 | #endif | |
6508 | ; | |
ee78dc32 GV |
6509 | } |
6510 | ||
6511 | /* Clear out the mouse-highlighted active region. | |
9ef2e2cf | 6512 | Redraw it un-highlighted first. */ |
ee78dc32 | 6513 | |
791f420f | 6514 | void |
ee78dc32 | 6515 | clear_mouse_face (dpyinfo) |
fbd6baed | 6516 | struct w32_display_info *dpyinfo; |
ee78dc32 | 6517 | { |
791f420f JR |
6518 | if (tip_frame) |
6519 | return; | |
6520 | ||
ee78dc32 | 6521 | if (! NILP (dpyinfo->mouse_face_window)) |
791f420f | 6522 | show_mouse_face (dpyinfo, DRAW_NORMAL_TEXT); |
ee78dc32 GV |
6523 | |
6524 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
6525 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
6526 | dpyinfo->mouse_face_window = Qnil; | |
6527 | } | |
31d4844a KH |
6528 | |
6529 | /* Just discard the mouse face information for frame F, if any. | |
6530 | This is used when the size of F is changed. */ | |
6531 | ||
6532 | void | |
6533 | cancel_mouse_face (f) | |
6534 | FRAME_PTR f; | |
6535 | { | |
6536 | Lisp_Object window; | |
6537 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); | |
6538 | ||
6539 | window = dpyinfo->mouse_face_window; | |
6540 | if (! NILP (window) && XFRAME (XWINDOW (window)->frame) == f) | |
6541 | { | |
6542 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
6543 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
6544 | dpyinfo->mouse_face_window = Qnil; | |
6545 | } | |
6546 | } | |
ee78dc32 | 6547 | \f |
9ef2e2cf | 6548 | static struct scroll_bar *x_window_to_scroll_bar (); |
ee78dc32 GV |
6549 | static void x_scroll_bar_report_motion (); |
6550 | ||
6551 | /* Return the current position of the mouse. | |
6552 | *fp should be a frame which indicates which display to ask about. | |
6553 | ||
6554 | If the mouse movement started in a scroll bar, set *fp, *bar_window, | |
6555 | and *part to the frame, window, and scroll bar part that the mouse | |
6556 | is over. Set *x and *y to the portion and whole of the mouse's | |
6557 | position on the scroll bar. | |
6558 | ||
6559 | If the mouse movement started elsewhere, set *fp to the frame the | |
6560 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
6561 | the mouse is over. | |
6562 | ||
9ef2e2cf | 6563 | Set *time to the server time-stamp for the time at which the mouse |
ee78dc32 GV |
6564 | was at this position. |
6565 | ||
6566 | Don't store anything if we don't have a valid set of values to report. | |
6567 | ||
6568 | This clears the mouse_moved flag, so we can wait for the next mouse | |
9ef2e2cf | 6569 | movement. */ |
ee78dc32 GV |
6570 | |
6571 | static void | |
fbd6baed | 6572 | w32_mouse_position (fp, insist, bar_window, part, x, y, time) |
ee78dc32 GV |
6573 | FRAME_PTR *fp; |
6574 | int insist; | |
6575 | Lisp_Object *bar_window; | |
6576 | enum scroll_bar_part *part; | |
6577 | Lisp_Object *x, *y; | |
6578 | unsigned long *time; | |
6579 | { | |
6580 | FRAME_PTR f1; | |
6581 | ||
6582 | BLOCK_INPUT; | |
6583 | ||
95fa970d | 6584 | if (! NILP (last_mouse_scroll_bar) && insist == 0) |
ee78dc32 GV |
6585 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time); |
6586 | else | |
6587 | { | |
6588 | POINT pt; | |
6589 | ||
6590 | Lisp_Object frame, tail; | |
6591 | ||
6592 | /* Clear the mouse-moved flag for every frame on this display. */ | |
6593 | FOR_EACH_FRAME (tail, frame) | |
6594 | XFRAME (frame)->mouse_moved = 0; | |
6595 | ||
6596 | last_mouse_scroll_bar = Qnil; | |
6597 | ||
6598 | GetCursorPos (&pt); | |
6599 | ||
6600 | /* Now we have a position on the root; find the innermost window | |
6601 | containing the pointer. */ | |
6602 | { | |
fbd6baed | 6603 | if (FRAME_W32_DISPLAY_INFO (*fp)->grabbed && last_mouse_frame |
ee78dc32 GV |
6604 | && FRAME_LIVE_P (last_mouse_frame)) |
6605 | { | |
08712a41 AI |
6606 | /* If mouse was grabbed on a frame, give coords for that frame |
6607 | even if the mouse is now outside it. */ | |
ee78dc32 GV |
6608 | f1 = last_mouse_frame; |
6609 | } | |
6610 | else | |
6611 | { | |
08712a41 | 6612 | /* Is window under mouse one of our frames? */ |
fbd6baed | 6613 | f1 = x_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp), WindowFromPoint(pt)); |
ee78dc32 GV |
6614 | } |
6615 | ||
6616 | /* If not, is it one of our scroll bars? */ | |
6617 | if (! f1) | |
6618 | { | |
6619 | struct scroll_bar *bar = x_window_to_scroll_bar (WindowFromPoint(pt)); | |
6620 | ||
6621 | if (bar) | |
6622 | { | |
6623 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
6624 | } | |
6625 | } | |
6626 | ||
95fa970d | 6627 | if (f1 == 0 && insist > 0) |
791f420f | 6628 | f1 = SELECTED_FRAME (); |
ee78dc32 GV |
6629 | |
6630 | if (f1) | |
6631 | { | |
791f420f JR |
6632 | /* Ok, we found a frame. Store all the values. |
6633 | last_mouse_glyph is a rectangle used to reduce the | |
6634 | generation of mouse events. To not miss any motion | |
6635 | events, we must divide the frame into rectangles of the | |
6636 | size of the smallest character that could be displayed | |
6637 | on it, i.e. into the same rectangles that matrices on | |
6638 | the frame are divided into. */ | |
6639 | ||
6640 | #if OLD_REDISPLAY_CODE | |
ee78dc32 GV |
6641 | int ignore1, ignore2; |
6642 | ||
fbd6baed | 6643 | ScreenToClient (FRAME_W32_WINDOW (f1), &pt); |
ee78dc32 | 6644 | |
ee78dc32 GV |
6645 | pixel_to_glyph_coords (f1, pt.x, pt.y, &ignore1, &ignore2, |
6646 | &last_mouse_glyph, | |
fbd6baed | 6647 | FRAME_W32_DISPLAY_INFO (f1)->grabbed |
ee78dc32 | 6648 | || insist); |
791f420f JR |
6649 | #else |
6650 | ScreenToClient (FRAME_W32_WINDOW (f1), &pt); | |
6651 | { | |
6652 | int width = FRAME_SMALLEST_CHAR_WIDTH (f1); | |
6653 | int height = FRAME_SMALLEST_FONT_HEIGHT (f1); | |
6654 | int x = pt.x; | |
6655 | int y = pt.y; | |
6656 | ||
6657 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to | |
6658 | round down even for negative values. */ | |
6659 | if (x < 0) | |
6660 | x -= width - 1; | |
6661 | if (y < 0) | |
6662 | y -= height - 1; | |
6663 | ||
6664 | last_mouse_glyph.left = (x + width - 1) / width * width; | |
6665 | last_mouse_glyph.top = (y + height - 1) / height * height; | |
6666 | last_mouse_glyph.right = last_mouse_glyph.left + width; | |
6667 | last_mouse_glyph.bottom = last_mouse_glyph.top + height; | |
6668 | } | |
6669 | #endif | |
ee78dc32 GV |
6670 | |
6671 | *bar_window = Qnil; | |
6672 | *part = 0; | |
6673 | *fp = f1; | |
6674 | XSETINT (*x, pt.x); | |
6675 | XSETINT (*y, pt.y); | |
6676 | *time = last_mouse_movement_time; | |
6677 | } | |
6678 | } | |
6679 | } | |
6680 | ||
6681 | UNBLOCK_INPUT; | |
6682 | } | |
791f420f | 6683 | |
ee78dc32 GV |
6684 | \f |
6685 | /* Scroll bar support. */ | |
6686 | ||
6687 | /* Given an window ID, find the struct scroll_bar which manages it. | |
6688 | This can be called in GC, so we have to make sure to strip off mark | |
6689 | bits. */ | |
9ef2e2cf JR |
6690 | |
6691 | static struct scroll_bar * | |
ee78dc32 GV |
6692 | x_window_to_scroll_bar (window_id) |
6693 | Window window_id; | |
6694 | { | |
791f420f | 6695 | Lisp_Object tail; |
ee78dc32 GV |
6696 | |
6697 | for (tail = Vframe_list; | |
6698 | XGCTYPE (tail) == Lisp_Cons; | |
8e713be6 | 6699 | tail = XCDR (tail)) |
ee78dc32 GV |
6700 | { |
6701 | Lisp_Object frame, bar, condemned; | |
6702 | ||
8e713be6 | 6703 | frame = XCAR (tail); |
ee78dc32 GV |
6704 | /* All elements of Vframe_list should be frames. */ |
6705 | if (! GC_FRAMEP (frame)) | |
6706 | abort (); | |
6707 | ||
6708 | /* Scan this frame's scroll bar list for a scroll bar with the | |
6709 | right window ID. */ | |
6710 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); | |
6711 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
6712 | /* This trick allows us to search both the ordinary and | |
6713 | condemned scroll bar lists with one loop. */ | |
6714 | ! GC_NILP (bar) || (bar = condemned, | |
6715 | condemned = Qnil, | |
6716 | ! GC_NILP (bar)); | |
6717 | bar = XSCROLL_BAR (bar)->next) | |
fbd6baed | 6718 | if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar)) == window_id) |
ee78dc32 GV |
6719 | return XSCROLL_BAR (bar); |
6720 | } | |
6721 | ||
6722 | return 0; | |
6723 | } | |
6724 | ||
791f420f JR |
6725 | |
6726 | \f | |
6727 | /* Set the thumb size and position of scroll bar BAR. We are currently | |
6728 | displaying PORTION out of a whole WHOLE, and our position POSITION. */ | |
6729 | ||
6730 | static void | |
6731 | w32_set_scroll_bar_thumb (bar, portion, position, whole) | |
6732 | struct scroll_bar *bar; | |
6733 | int portion, position, whole; | |
6734 | { | |
6735 | Window w = SCROLL_BAR_W32_WINDOW (bar); | |
6736 | int range = VERTICAL_SCROLL_BAR_TOP_RANGE (f, XINT (bar->height)); | |
6737 | int sb_page, sb_pos; | |
6738 | BOOL draggingp = !NILP (bar->dragging) ? TRUE : FALSE; | |
6739 | ||
6740 | if (whole) | |
6741 | { | |
6742 | /* Position scroll bar at rock bottom if the bottom of the | |
6743 | buffer is visible. This avoids shinking the thumb away | |
6744 | to nothing if it is held at the bottom of the buffer. */ | |
6745 | if (position + portion >= whole) | |
6746 | { | |
6747 | sb_page = range * (whole - position) / whole | |
6748 | + VERTICAL_SCROLL_BAR_MIN_HANDLE; | |
6749 | sb_pos = range; | |
6750 | } | |
6751 | ||
6752 | sb_page = portion * range / whole + VERTICAL_SCROLL_BAR_MIN_HANDLE; | |
6753 | sb_pos = position * range / whole; | |
6754 | } | |
6755 | else | |
6756 | { | |
6757 | sb_page = range; | |
6758 | sb_pos = 0; | |
6759 | } | |
6760 | ||
6761 | BLOCK_INPUT; | |
6762 | ||
6763 | if (pfnSetScrollInfo) | |
6764 | { | |
6765 | SCROLLINFO si; | |
6766 | ||
6767 | si.cbSize = sizeof (si); | |
6768 | /* Only update page size if currently dragging, to reduce | |
6769 | flicker effects. */ | |
6770 | if (draggingp) | |
6771 | si.fMask = SIF_PAGE; | |
6772 | else | |
6773 | si.fMask = SIF_PAGE | SIF_POS; | |
6774 | si.nPage = sb_page; | |
6775 | si.nPos = sb_pos; | |
6776 | ||
6777 | pfnSetScrollInfo (w, SB_CTL, &si, !draggingp); | |
6778 | } | |
6779 | else | |
6780 | SetScrollPos (w, SB_CTL, sb_pos, !draggingp); | |
6781 | ||
6782 | UNBLOCK_INPUT; | |
6783 | } | |
6784 | ||
6785 | \f | |
6786 | /************************************************************************ | |
6787 | Scroll bars, general | |
6788 | ************************************************************************/ | |
6789 | ||
ee78dc32 GV |
6790 | HWND |
6791 | my_create_scrollbar (f, bar) | |
6792 | struct frame * f; | |
6793 | struct scroll_bar * bar; | |
6794 | { | |
689004fa GV |
6795 | return (HWND) SendMessage (FRAME_W32_WINDOW (f), |
6796 | WM_EMACS_CREATESCROLLBAR, (WPARAM) f, | |
6797 | (LPARAM) bar); | |
ee78dc32 GV |
6798 | } |
6799 | ||
52cf03a1 GV |
6800 | //#define ATTACH_THREADS |
6801 | ||
689004fa GV |
6802 | BOOL |
6803 | my_show_window (FRAME_PTR f, HWND hwnd, int how) | |
52cf03a1 GV |
6804 | { |
6805 | #ifndef ATTACH_THREADS | |
689004fa GV |
6806 | return SendMessage (FRAME_W32_WINDOW (f), WM_EMACS_SHOWWINDOW, |
6807 | (WPARAM) hwnd, (LPARAM) how); | |
52cf03a1 | 6808 | #else |
689004fa | 6809 | return ShowWindow (hwnd, how); |
52cf03a1 GV |
6810 | #endif |
6811 | } | |
6812 | ||
6813 | void | |
6814 | my_set_window_pos (HWND hwnd, HWND hwndAfter, | |
689004fa | 6815 | int x, int y, int cx, int cy, UINT flags) |
52cf03a1 GV |
6816 | { |
6817 | #ifndef ATTACH_THREADS | |
689004fa GV |
6818 | WINDOWPOS pos; |
6819 | pos.hwndInsertAfter = hwndAfter; | |
52cf03a1 GV |
6820 | pos.x = x; |
6821 | pos.y = y; | |
6822 | pos.cx = cx; | |
6823 | pos.cy = cy; | |
6824 | pos.flags = flags; | |
6825 | SendMessage (hwnd, WM_EMACS_SETWINDOWPOS, (WPARAM) &pos, 0); | |
6826 | #else | |
6827 | SetWindowPos (hwnd, hwndAfter, x, y, cx, cy, flags); | |
6828 | #endif | |
6829 | } | |
6830 | ||
689004fa GV |
6831 | BOOL |
6832 | my_set_focus (f, hwnd) | |
6833 | struct frame * f; | |
6834 | HWND hwnd; | |
6835 | { | |
6836 | SendMessage (FRAME_W32_WINDOW (f), WM_EMACS_SETFOCUS, | |
6837 | (WPARAM) hwnd, 0); | |
6838 | } | |
6839 | ||
ef0e360f GV |
6840 | BOOL |
6841 | my_set_foreground_window (hwnd) | |
6842 | HWND hwnd; | |
6843 | { | |
6844 | SendMessage (hwnd, WM_EMACS_SETFOREGROUND, (WPARAM) hwnd, 0); | |
6845 | } | |
6846 | ||
ee78dc32 GV |
6847 | void |
6848 | my_destroy_window (f, hwnd) | |
6849 | struct frame * f; | |
6850 | HWND hwnd; | |
6851 | { | |
fbd6baed | 6852 | SendMessage (FRAME_W32_WINDOW (f), WM_EMACS_DESTROYWINDOW, |
ee78dc32 GV |
6853 | (WPARAM) hwnd, 0); |
6854 | } | |
6855 | ||
791f420f JR |
6856 | /* Create a scroll bar and return the scroll bar vector for it. W is |
6857 | the Emacs window on which to create the scroll bar. TOP, LEFT, | |
6858 | WIDTH and HEIGHT are.the pixel coordinates and dimensions of the | |
6859 | scroll bar. */ | |
6860 | ||
ee78dc32 | 6861 | static struct scroll_bar * |
791f420f JR |
6862 | x_scroll_bar_create (w, top, left, width, height) |
6863 | struct window *w; | |
ee78dc32 GV |
6864 | int top, left, width, height; |
6865 | { | |
791f420f JR |
6866 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
6867 | HWND hwnd; | |
ee78dc32 GV |
6868 | struct scroll_bar *bar |
6869 | = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
ee78dc32 GV |
6870 | |
6871 | BLOCK_INPUT; | |
6872 | ||
791f420f | 6873 | XSETWINDOW (bar->window, w); |
ee78dc32 GV |
6874 | XSETINT (bar->top, top); |
6875 | XSETINT (bar->left, left); | |
6876 | XSETINT (bar->width, width); | |
6877 | XSETINT (bar->height, height); | |
6878 | XSETINT (bar->start, 0); | |
6879 | XSETINT (bar->end, 0); | |
6880 | bar->dragging = Qnil; | |
6881 | ||
6882 | /* Requires geometry to be set before call to create the real window */ | |
6883 | ||
6884 | hwnd = my_create_scrollbar (f, bar); | |
6885 | ||
689004fa GV |
6886 | if (pfnSetScrollInfo) |
6887 | { | |
6888 | SCROLLINFO si; | |
6889 | ||
6890 | si.cbSize = sizeof (si); | |
6891 | si.fMask = SIF_ALL; | |
6892 | si.nMin = 0; | |
791f420f JR |
6893 | si.nMax = VERTICAL_SCROLL_BAR_TOP_RANGE (f, height) |
6894 | + VERTICAL_SCROLL_BAR_MIN_HANDLE; | |
689004fa GV |
6895 | si.nPage = si.nMax; |
6896 | si.nPos = 0; | |
6897 | ||
6898 | pfnSetScrollInfo (hwnd, SB_CTL, &si, FALSE); | |
6899 | } | |
6900 | else | |
6901 | { | |
791f420f JR |
6902 | SetScrollRange (hwnd, SB_CTL, 0, |
6903 | VERTICAL_SCROLL_BAR_TOP_RANGE (f, height), FALSE); | |
689004fa GV |
6904 | SetScrollPos (hwnd, SB_CTL, 0, FALSE); |
6905 | } | |
ee78dc32 | 6906 | |
fbd6baed | 6907 | SET_SCROLL_BAR_W32_WINDOW (bar, hwnd); |
ee78dc32 GV |
6908 | |
6909 | /* Add bar to its frame's list of scroll bars. */ | |
6910 | bar->next = FRAME_SCROLL_BARS (f); | |
6911 | bar->prev = Qnil; | |
6912 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); | |
6913 | if (! NILP (bar->next)) | |
6914 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); | |
6915 | ||
6916 | UNBLOCK_INPUT; | |
6917 | ||
6918 | return bar; | |
6919 | } | |
6920 | ||
ee78dc32 | 6921 | |
791f420f JR |
6922 | /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to |
6923 | nil. */ | |
ee78dc32 | 6924 | |
ee78dc32 GV |
6925 | static void |
6926 | x_scroll_bar_remove (bar) | |
6927 | struct scroll_bar *bar; | |
6928 | { | |
6929 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
6930 | ||
6931 | BLOCK_INPUT; | |
6932 | ||
6933 | /* Destroy the window. */ | |
fbd6baed | 6934 | my_destroy_window (f, SCROLL_BAR_W32_WINDOW (bar)); |
ee78dc32 GV |
6935 | |
6936 | /* Disassociate this scroll bar from its window. */ | |
6937 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
6938 | ||
6939 | UNBLOCK_INPUT; | |
6940 | } | |
6941 | ||
6942 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
6943 | that we are displaying PORTION characters out of a total of WHOLE | |
6944 | characters, starting at POSITION. If WINDOW has no scroll bar, | |
6945 | create one. */ | |
6946 | static void | |
791f420f JR |
6947 | w32_set_vertical_scroll_bar (w, portion, whole, position) |
6948 | struct window *w; | |
ee78dc32 GV |
6949 | int portion, whole, position; |
6950 | { | |
791f420f | 6951 | struct frame *f = XFRAME (w->frame); |
ee78dc32 | 6952 | struct scroll_bar *bar; |
9ef2e2cf | 6953 | int top, height, left, sb_left, width, sb_width; |
791f420f JR |
6954 | int window_x, window_y, window_width, window_height; |
6955 | ||
6956 | /* Get window dimensions. */ | |
6957 | window_box (w, -1, &window_x, &window_y, &window_width, &window_height); | |
6958 | top = window_y; | |
6959 | width = FRAME_SCROLL_BAR_COLS (f) * CANON_X_UNIT (f); | |
6960 | height = window_height; | |
6961 | ||
6962 | /* Compute the left edge of the scroll bar area. */ | |
6963 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)) | |
6964 | left = XINT (w->left) + XINT (w->width) - FRAME_SCROLL_BAR_COLS (f); | |
6965 | else | |
6966 | left = XFASTINT (w->left); | |
6967 | left *= CANON_X_UNIT (f); | |
6968 | left += FRAME_INTERNAL_BORDER_WIDTH (f); | |
6969 | ||
6970 | /* Compute the width of the scroll bar which might be less than | |
6971 | the width of the area reserved for the scroll bar. */ | |
6972 | if (FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0) | |
6973 | sb_width = FRAME_SCROLL_BAR_PIXEL_WIDTH (f); | |
6974 | else | |
6975 | sb_width = width; | |
ee78dc32 | 6976 | |
791f420f JR |
6977 | /* Compute the left edge of the scroll bar. */ |
6978 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)) | |
6979 | sb_left = left + width - sb_width - (width - sb_width) / 2; | |
ee78dc32 | 6980 | else |
791f420f JR |
6981 | sb_left = left + (width - sb_width) / 2; |
6982 | ||
6983 | /* Does the scroll bar exist yet? */ | |
6984 | if (NILP (w->vertical_scroll_bar)) | |
ee78dc32 | 6985 | { |
00fe468b | 6986 | HDC hdc; |
791f420f | 6987 | BLOCK_INPUT; |
00fe468b JR |
6988 | hdc = get_frame_dc (f); |
6989 | w32_clear_area (f, hdc, left, top, width, height); | |
6990 | release_frame_dc (f, hdc); | |
791f420f | 6991 | UNBLOCK_INPUT; |
00fe468b | 6992 | |
791f420f | 6993 | bar = x_scroll_bar_create (w, top, sb_left, sb_width, height); |
ee78dc32 | 6994 | } |
791f420f JR |
6995 | else |
6996 | { | |
6997 | /* It may just need to be moved and resized. */ | |
6998 | HWND hwnd; | |
6999 | ||
7000 | bar = XSCROLL_BAR (w->vertical_scroll_bar); | |
7001 | hwnd = SCROLL_BAR_W32_WINDOW (bar); | |
7002 | ||
7003 | /* If already correctly positioned, do nothing. */ | |
7004 | if ( XINT (bar->left) == sb_left | |
7005 | && XINT (bar->top) == top | |
7006 | && XINT (bar->width) == sb_width | |
7007 | && XINT (bar->height) == height ) | |
7008 | { | |
7009 | /* Redraw after clear_frame. */ | |
7010 | if (!my_show_window (f, hwnd, SW_NORMAL)) | |
7011 | InvalidateRect (hwnd, NULL, FALSE); | |
7012 | } | |
7013 | else | |
7014 | { | |
00fe468b | 7015 | HDC hdc; |
791f420f JR |
7016 | BLOCK_INPUT; |
7017 | ||
00fe468b | 7018 | hdc = get_frame_dc (f); |
791f420f JR |
7019 | /* Since Windows scroll bars are smaller than the space reserved |
7020 | for them on the frame, we have to clear "under" them. */ | |
00fe468b | 7021 | w32_clear_area (f, hdc, |
791f420f JR |
7022 | left, |
7023 | top, | |
7024 | width, | |
7025 | height); | |
00fe468b | 7026 | release_frame_dc (f, hdc); |
791f420f JR |
7027 | |
7028 | /* Make sure scroll bar is "visible" before moving, to ensure the | |
7029 | area of the parent window now exposed will be refreshed. */ | |
7030 | my_show_window (f, hwnd, SW_HIDE); | |
7031 | MoveWindow (hwnd, sb_left, top, | |
7032 | sb_width, height, TRUE); | |
7033 | if (pfnSetScrollInfo) | |
7034 | { | |
7035 | SCROLLINFO si; | |
ee78dc32 | 7036 | |
791f420f JR |
7037 | si.cbSize = sizeof (si); |
7038 | si.fMask = SIF_RANGE; | |
7039 | si.nMin = 0; | |
7040 | si.nMax = VERTICAL_SCROLL_BAR_TOP_RANGE (f, height) | |
7041 | + VERTICAL_SCROLL_BAR_MIN_HANDLE; | |
ee78dc32 | 7042 | |
00fe468b | 7043 | pfnSetScrollInfo (hwnd, SB_CTL, &si, FALSE); |
791f420f JR |
7044 | } |
7045 | else | |
00fe468b | 7046 | SetScrollRange (hwnd, SB_CTL, 0, |
791f420f JR |
7047 | VERTICAL_SCROLL_BAR_TOP_RANGE (f, height), FALSE); |
7048 | my_show_window (f, hwnd, SW_NORMAL); | |
7049 | // InvalidateRect (w, NULL, FALSE); | |
7050 | ||
7051 | /* Remember new settings. */ | |
7052 | XSETINT (bar->left, sb_left); | |
7053 | XSETINT (bar->top, top); | |
7054 | XSETINT (bar->width, sb_width); | |
7055 | XSETINT (bar->height, height); | |
7056 | ||
7057 | UNBLOCK_INPUT; | |
7058 | } | |
7059 | } | |
7060 | w32_set_scroll_bar_thumb (bar, portion, position, whole); | |
ee78dc32 | 7061 | |
791f420f | 7062 | XSETVECTOR (w->vertical_scroll_bar, bar); |
ee78dc32 GV |
7063 | } |
7064 | ||
7065 | ||
7066 | /* The following three hooks are used when we're doing a thorough | |
7067 | redisplay of the frame. We don't explicitly know which scroll bars | |
7068 | are going to be deleted, because keeping track of when windows go | |
7069 | away is a real pain - "Can you say set-window-configuration, boys | |
7070 | and girls?" Instead, we just assert at the beginning of redisplay | |
7071 | that *all* scroll bars are to be removed, and then save a scroll bar | |
7072 | from the fiery pit when we actually redisplay its window. */ | |
7073 | ||
7074 | /* Arrange for all scroll bars on FRAME to be removed at the next call | |
7075 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
9ef2e2cf JR |
7076 | `*redeem_scroll_bar_hook' is applied to its window before the judgment. */ |
7077 | ||
ee78dc32 | 7078 | static void |
fbd6baed | 7079 | w32_condemn_scroll_bars (frame) |
ee78dc32 GV |
7080 | FRAME_PTR frame; |
7081 | { | |
ef0e360f GV |
7082 | /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */ |
7083 | while (! NILP (FRAME_SCROLL_BARS (frame))) | |
7084 | { | |
7085 | Lisp_Object bar; | |
7086 | bar = FRAME_SCROLL_BARS (frame); | |
7087 | FRAME_SCROLL_BARS (frame) = XSCROLL_BAR (bar)->next; | |
7088 | XSCROLL_BAR (bar)->next = FRAME_CONDEMNED_SCROLL_BARS (frame); | |
7089 | XSCROLL_BAR (bar)->prev = Qnil; | |
7090 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) | |
7091 | XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame))->prev = bar; | |
7092 | FRAME_CONDEMNED_SCROLL_BARS (frame) = bar; | |
7093 | } | |
ee78dc32 GV |
7094 | } |
7095 | ||
9ef2e2cf | 7096 | /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle. |
ee78dc32 GV |
7097 | Note that WINDOW isn't necessarily condemned at all. */ |
7098 | static void | |
fbd6baed | 7099 | w32_redeem_scroll_bar (window) |
ee78dc32 GV |
7100 | struct window *window; |
7101 | { | |
7102 | struct scroll_bar *bar; | |
7103 | ||
7104 | /* We can't redeem this window's scroll bar if it doesn't have one. */ | |
7105 | if (NILP (window->vertical_scroll_bar)) | |
7106 | abort (); | |
7107 | ||
7108 | bar = XSCROLL_BAR (window->vertical_scroll_bar); | |
7109 | ||
ef0e360f GV |
7110 | /* Unlink it from the condemned list. */ |
7111 | { | |
7112 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
7113 | ||
7114 | if (NILP (bar->prev)) | |
7115 | { | |
7116 | /* If the prev pointer is nil, it must be the first in one of | |
7117 | the lists. */ | |
7118 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) | |
7119 | /* It's not condemned. Everything's fine. */ | |
7120 | return; | |
7121 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), | |
7122 | window->vertical_scroll_bar)) | |
7123 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
7124 | else | |
7125 | /* If its prev pointer is nil, it must be at the front of | |
7126 | one or the other! */ | |
7127 | abort (); | |
7128 | } | |
7129 | else | |
7130 | XSCROLL_BAR (bar->prev)->next = bar->next; | |
7131 | ||
7132 | if (! NILP (bar->next)) | |
7133 | XSCROLL_BAR (bar->next)->prev = bar->prev; | |
7134 | ||
7135 | bar->next = FRAME_SCROLL_BARS (f); | |
7136 | bar->prev = Qnil; | |
7137 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); | |
7138 | if (! NILP (bar->next)) | |
7139 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); | |
7140 | } | |
ee78dc32 GV |
7141 | } |
7142 | ||
7143 | /* Remove all scroll bars on FRAME that haven't been saved since the | |
7144 | last call to `*condemn_scroll_bars_hook'. */ | |
9ef2e2cf | 7145 | |
ee78dc32 | 7146 | static void |
fbd6baed | 7147 | w32_judge_scroll_bars (f) |
ee78dc32 GV |
7148 | FRAME_PTR f; |
7149 | { | |
7150 | Lisp_Object bar, next; | |
7151 | ||
7152 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); | |
7153 | ||
7154 | /* Clear out the condemned list now so we won't try to process any | |
7155 | more events on the hapless scroll bars. */ | |
7156 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
7157 | ||
7158 | for (; ! NILP (bar); bar = next) | |
7159 | { | |
7160 | struct scroll_bar *b = XSCROLL_BAR (bar); | |
7161 | ||
7162 | x_scroll_bar_remove (b); | |
7163 | ||
7164 | next = b->next; | |
7165 | b->next = b->prev = Qnil; | |
7166 | } | |
7167 | ||
7168 | /* Now there should be no references to the condemned scroll bars, | |
7169 | and they should get garbage-collected. */ | |
7170 | } | |
7171 | ||
7172 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind | |
7173 | is set to something other than no_event, it is enqueued. | |
7174 | ||
7175 | This may be called from a signal handler, so we have to ignore GC | |
7176 | mark bits. */ | |
2c28562d | 7177 | |
52cf03a1 | 7178 | static int |
ee78dc32 GV |
7179 | x_scroll_bar_handle_click (bar, msg, emacs_event) |
7180 | struct scroll_bar *bar; | |
fbd6baed | 7181 | W32Msg *msg; |
ee78dc32 GV |
7182 | struct input_event *emacs_event; |
7183 | { | |
7184 | if (! GC_WINDOWP (bar->window)) | |
7185 | abort (); | |
7186 | ||
fbd6baed | 7187 | emacs_event->kind = w32_scroll_bar_click; |
ee78dc32 | 7188 | emacs_event->code = 0; |
52cf03a1 GV |
7189 | /* not really meaningful to distinguish up/down */ |
7190 | emacs_event->modifiers = msg->dwModifiers; | |
ee78dc32 GV |
7191 | emacs_event->frame_or_window = bar->window; |
7192 | emacs_event->timestamp = msg->msg.time; | |
7193 | ||
7194 | { | |
791f420f | 7195 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (f, XINT (bar->height)); |
689004fa GV |
7196 | int y; |
7197 | int dragging = !NILP (bar->dragging); | |
7198 | ||
7199 | if (pfnGetScrollInfo) | |
7200 | { | |
7201 | SCROLLINFO si; | |
7202 | ||
7203 | si.cbSize = sizeof (si); | |
7204 | si.fMask = SIF_POS; | |
7205 | ||
7206 | pfnGetScrollInfo ((HWND) msg->msg.lParam, SB_CTL, &si); | |
7207 | y = si.nPos; | |
7208 | } | |
7209 | else | |
7210 | y = GetScrollPos ((HWND) msg->msg.lParam, SB_CTL); | |
7211 | ||
7212 | bar->dragging = Qnil; | |
ee78dc32 | 7213 | |
9ef2e2cf JR |
7214 | |
7215 | last_mouse_scroll_bar_pos = msg->msg.wParam; | |
7216 | ||
ee78dc32 | 7217 | switch (LOWORD (msg->msg.wParam)) |
2c28562d | 7218 | { |
2c28562d | 7219 | case SB_LINEDOWN: |
52cf03a1 | 7220 | emacs_event->part = scroll_bar_down_arrow; |
ee78dc32 | 7221 | break; |
2c28562d | 7222 | case SB_LINEUP: |
52cf03a1 | 7223 | emacs_event->part = scroll_bar_up_arrow; |
ee78dc32 | 7224 | break; |
2c28562d | 7225 | case SB_PAGEUP: |
ee78dc32 GV |
7226 | emacs_event->part = scroll_bar_above_handle; |
7227 | break; | |
2c28562d | 7228 | case SB_PAGEDOWN: |
ee78dc32 GV |
7229 | emacs_event->part = scroll_bar_below_handle; |
7230 | break; | |
2c28562d | 7231 | case SB_TOP: |
ee78dc32 GV |
7232 | emacs_event->part = scroll_bar_handle; |
7233 | y = 0; | |
7234 | break; | |
2c28562d | 7235 | case SB_BOTTOM: |
ee78dc32 GV |
7236 | emacs_event->part = scroll_bar_handle; |
7237 | y = top_range; | |
7238 | break; | |
689004fa | 7239 | case SB_THUMBTRACK: |
2c28562d | 7240 | case SB_THUMBPOSITION: |
791f420f JR |
7241 | if (VERTICAL_SCROLL_BAR_TOP_RANGE (f, XINT (bar->height)) <= 0xffff) |
7242 | y = HIWORD (msg->msg.wParam); | |
689004fa | 7243 | bar->dragging = Qt; |
ee78dc32 | 7244 | emacs_event->part = scroll_bar_handle; |
689004fa GV |
7245 | |
7246 | /* "Silently" update current position. */ | |
7247 | if (pfnSetScrollInfo) | |
7248 | { | |
7249 | SCROLLINFO si; | |
7250 | ||
7251 | si.cbSize = sizeof (si); | |
7252 | si.fMask = SIF_POS; | |
689004fa GV |
7253 | si.nPos = y; |
7254 | /* Remember apparent position (we actually lag behind the real | |
7255 | position, so don't set that directly. */ | |
7256 | last_scroll_bar_drag_pos = y; | |
7257 | ||
7258 | pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar), SB_CTL, &si, FALSE); | |
7259 | } | |
7260 | else | |
7261 | SetScrollPos (SCROLL_BAR_W32_WINDOW (bar), SB_CTL, y, FALSE); | |
ee78dc32 | 7262 | break; |
2c28562d | 7263 | case SB_ENDSCROLL: |
689004fa GV |
7264 | /* If this is the end of a drag sequence, then reset the scroll |
7265 | handle size to normal and do a final redraw. Otherwise do | |
7266 | nothing. */ | |
7267 | if (dragging) | |
7268 | { | |
7269 | if (pfnSetScrollInfo) | |
7270 | { | |
7271 | SCROLLINFO si; | |
7272 | int start = XINT (bar->start); | |
7273 | int end = XINT (bar->end); | |
7274 | ||
7275 | si.cbSize = sizeof (si); | |
7276 | si.fMask = SIF_PAGE | SIF_POS; | |
791f420f | 7277 | si.nPage = end - start + VERTICAL_SCROLL_BAR_MIN_HANDLE; |
689004fa | 7278 | si.nPos = last_scroll_bar_drag_pos; |
689004fa GV |
7279 | pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar), SB_CTL, &si, TRUE); |
7280 | } | |
7281 | else | |
7282 | SetScrollPos (SCROLL_BAR_W32_WINDOW (bar), SB_CTL, y, TRUE); | |
7283 | } | |
7284 | /* fall through */ | |
2c28562d | 7285 | default: |
689004fa | 7286 | emacs_event->kind = no_event; |
52cf03a1 | 7287 | return FALSE; |
2c28562d | 7288 | } |
52cf03a1 | 7289 | |
ee78dc32 GV |
7290 | XSETINT (emacs_event->x, y); |
7291 | XSETINT (emacs_event->y, top_range); | |
52cf03a1 GV |
7292 | |
7293 | return TRUE; | |
ee78dc32 GV |
7294 | } |
7295 | } | |
7296 | ||
7297 | /* Return information to the user about the current position of the mouse | |
7298 | on the scroll bar. */ | |
9ef2e2cf | 7299 | |
ee78dc32 GV |
7300 | static void |
7301 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time) | |
7302 | FRAME_PTR *fp; | |
7303 | Lisp_Object *bar_window; | |
7304 | enum scroll_bar_part *part; | |
7305 | Lisp_Object *x, *y; | |
7306 | unsigned long *time; | |
7307 | { | |
7308 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); | |
fbd6baed | 7309 | Window w = SCROLL_BAR_W32_WINDOW (bar); |
ee78dc32 GV |
7310 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
7311 | int pos; | |
791f420f | 7312 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (f, XINT (bar->height)); |
ee78dc32 GV |
7313 | |
7314 | BLOCK_INPUT; | |
7315 | ||
7316 | *fp = f; | |
7317 | *bar_window = bar->window; | |
7318 | ||
689004fa GV |
7319 | if (pfnGetScrollInfo) |
7320 | { | |
7321 | SCROLLINFO si; | |
7322 | ||
7323 | si.cbSize = sizeof (si); | |
7324 | si.fMask = SIF_POS | SIF_PAGE | SIF_RANGE; | |
7325 | ||
7326 | pfnGetScrollInfo (w, SB_CTL, &si); | |
7327 | pos = si.nPos; | |
7328 | top_range = si.nMax - si.nPage + 1; | |
7329 | } | |
7330 | else | |
7331 | pos = GetScrollPos (w, SB_CTL); | |
ee78dc32 GV |
7332 | |
7333 | switch (LOWORD (last_mouse_scroll_bar_pos)) | |
7334 | { | |
7335 | case SB_THUMBPOSITION: | |
7336 | case SB_THUMBTRACK: | |
7337 | *part = scroll_bar_handle; | |
791f420f | 7338 | if (VERTICAL_SCROLL_BAR_TOP_RANGE (f, XINT (bar->height)) <= 0xffff) |
ee78dc32 GV |
7339 | pos = HIWORD (last_mouse_scroll_bar_pos); |
7340 | break; | |
7341 | case SB_LINEDOWN: | |
7342 | *part = scroll_bar_handle; | |
7343 | pos++; | |
7344 | break; | |
7345 | default: | |
7346 | *part = scroll_bar_handle; | |
7347 | break; | |
7348 | } | |
7349 | ||
7350 | XSETINT(*x, pos); | |
689004fa | 7351 | XSETINT(*y, top_range); |
ee78dc32 GV |
7352 | |
7353 | f->mouse_moved = 0; | |
7354 | last_mouse_scroll_bar = Qnil; | |
7355 | ||
7356 | *time = last_mouse_movement_time; | |
7357 | ||
7358 | UNBLOCK_INPUT; | |
7359 | } | |
7360 | ||
9ef2e2cf | 7361 | |
ee78dc32 GV |
7362 | /* The screen has been cleared so we may have changed foreground or |
7363 | background colors, and the scroll bars may need to be redrawn. | |
7364 | Clear out the scroll bars, and ask for expose events, so we can | |
7365 | redraw them. */ | |
9ef2e2cf | 7366 | |
791f420f | 7367 | void |
ee78dc32 | 7368 | x_scroll_bar_clear (f) |
9ef2e2cf | 7369 | FRAME_PTR f; |
ee78dc32 | 7370 | { |
ee78dc32 GV |
7371 | Lisp_Object bar; |
7372 | ||
9ef2e2cf JR |
7373 | /* We can have scroll bars even if this is 0, |
7374 | if we just turned off scroll bar mode. | |
7375 | But in that case we should not clear them. */ | |
7376 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) | |
7377 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); | |
7378 | bar = XSCROLL_BAR (bar)->next) | |
7379 | { | |
7380 | HWND window = SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar)); | |
7381 | HDC hdc = GetDC (window); | |
7382 | RECT rect; | |
52cf03a1 | 7383 | |
9ef2e2cf JR |
7384 | /* Hide scroll bar until ready to repaint. x_scroll_bar_move |
7385 | arranges to refresh the scroll bar if hidden. */ | |
7386 | my_show_window (f, window, SW_HIDE); | |
689004fa | 7387 | |
9ef2e2cf JR |
7388 | GetClientRect (window, &rect); |
7389 | select_palette (f, hdc); | |
7390 | w32_clear_rect (f, hdc, &rect); | |
7391 | deselect_palette (f, hdc); | |
689004fa | 7392 | |
9ef2e2cf JR |
7393 | ReleaseDC (window, hdc); |
7394 | } | |
52cf03a1 GV |
7395 | } |
7396 | ||
7397 | show_scroll_bars (f, how) | |
7398 | FRAME_PTR f; | |
7399 | int how; | |
7400 | { | |
7401 | Lisp_Object bar; | |
7402 | ||
7403 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); | |
7404 | bar = XSCROLL_BAR (bar)->next) | |
7405 | { | |
fbd6baed | 7406 | HWND window = SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar)); |
689004fa | 7407 | my_show_window (f, window, how); |
52cf03a1 | 7408 | } |
ee78dc32 GV |
7409 | } |
7410 | ||
7411 | \f | |
fbd6baed | 7412 | /* The main W32 event-reading loop - w32_read_socket. */ |
ee78dc32 | 7413 | |
9ef2e2cf | 7414 | /* Time stamp of enter window event. This is only used by w32_read_socket, |
ee78dc32 GV |
7415 | but we have to put it out here, since static variables within functions |
7416 | sometimes don't work. */ | |
9ef2e2cf | 7417 | |
ee78dc32 GV |
7418 | static Time enter_timestamp; |
7419 | ||
7420 | /* Record the last 100 characters stored | |
7421 | to help debug the loss-of-chars-during-GC problem. */ | |
9ef2e2cf JR |
7422 | |
7423 | static int temp_index; | |
7424 | static short temp_buffer[100]; | |
ee78dc32 | 7425 | |
afd153f0 | 7426 | |
fbd6baed | 7427 | /* Read events coming from the W32 shell. |
ee78dc32 GV |
7428 | This routine is called by the SIGIO handler. |
7429 | We return as soon as there are no more events to be read. | |
7430 | ||
7431 | Events representing keys are stored in buffer BUFP, | |
7432 | which can hold up to NUMCHARS characters. | |
7433 | We return the number of characters stored into the buffer, | |
7434 | thus pretending to be `read'. | |
7435 | ||
ee78dc32 GV |
7436 | EXPECTED is nonzero if the caller knows input is available. |
7437 | ||
7438 | Some of these messages are reposted back to the message queue since the | |
e9e23e23 GV |
7439 | system calls the windows proc directly in a context where we cannot return |
7440 | the data nor can we guarantee the state we are in. So if we dispatch them | |
ee78dc32 GV |
7441 | we will get into an infinite loop. To prevent this from ever happening we |
7442 | will set a variable to indicate we are in the read_socket call and indicate | |
e9e23e23 GV |
7443 | which message we are processing since the windows proc gets called |
7444 | recursively with different messages by the system. | |
ee78dc32 GV |
7445 | */ |
7446 | ||
7447 | int | |
3aad7613 | 7448 | w32_read_socket (sd, bufp, numchars, expected) |
ee78dc32 | 7449 | register int sd; |
9ef2e2cf JR |
7450 | /* register */ struct input_event *bufp; |
7451 | /* register */ int numchars; | |
ee78dc32 GV |
7452 | int expected; |
7453 | { | |
7454 | int count = 0; | |
689004fa | 7455 | int check_visibility = 0; |
fbd6baed | 7456 | W32Msg msg; |
ee78dc32 | 7457 | struct frame *f; |
fbd6baed | 7458 | struct w32_display_info *dpyinfo = &one_w32_display_info; |
ee78dc32 GV |
7459 | |
7460 | if (interrupt_input_blocked) | |
7461 | { | |
7462 | interrupt_input_pending = 1; | |
7463 | return -1; | |
7464 | } | |
7465 | ||
7466 | interrupt_input_pending = 0; | |
7467 | BLOCK_INPUT; | |
7468 | ||
7469 | /* So people can tell when we have read the available input. */ | |
7470 | input_signal_count++; | |
7471 | ||
7472 | if (numchars <= 0) | |
7473 | abort (); /* Don't think this happens. */ | |
7474 | ||
791f420f JR |
7475 | /* NTEMACS_TODO: tooltips, tool-bars, ghostscript integration, mouse |
7476 | cursors. */ | |
52cf03a1 | 7477 | while (get_next_msg (&msg, FALSE)) |
ee78dc32 GV |
7478 | { |
7479 | switch (msg.msg.message) | |
7480 | { | |
ee78dc32 | 7481 | case WM_PAINT: |
ee78dc32 GV |
7482 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
7483 | ||
7484 | if (f) | |
7485 | { | |
014b6ea1 GV |
7486 | if (msg.rect.right == msg.rect.left || |
7487 | msg.rect.bottom == msg.rect.top) | |
ee78dc32 | 7488 | { |
014b6ea1 GV |
7489 | /* We may get paint messages even though the client |
7490 | area is clipped - these are not expose events. */ | |
7491 | DebPrint (("clipped frame %04x (%s) got WM_PAINT\n", f, | |
7492 | XSTRING (f->name)->data)); | |
7493 | } | |
7494 | else if (f->async_visible != 1) | |
7495 | { | |
7496 | /* Definitely not obscured, so mark as visible. */ | |
ee78dc32 GV |
7497 | f->async_visible = 1; |
7498 | f->async_iconified = 0; | |
7499 | SET_FRAME_GARBAGED (f); | |
014b6ea1 GV |
7500 | DebPrint (("frame %04x (%s) reexposed\n", f, |
7501 | XSTRING (f->name)->data)); | |
689004fa GV |
7502 | |
7503 | /* WM_PAINT serves as MapNotify as well, so report | |
7504 | visibility changes properly. */ | |
7505 | if (f->iconified) | |
7506 | { | |
7507 | bufp->kind = deiconify_event; | |
7508 | XSETFRAME (bufp->frame_or_window, f); | |
7509 | bufp++; | |
7510 | count++; | |
7511 | numchars--; | |
7512 | } | |
7513 | else if (! NILP(Vframe_list) | |
8e713be6 | 7514 | && ! NILP (XCDR (Vframe_list))) |
689004fa GV |
7515 | /* Force a redisplay sooner or later to update the |
7516 | frame titles in case this is the second frame. */ | |
7517 | record_asynch_buffer_change (); | |
ee78dc32 GV |
7518 | } |
7519 | else | |
7520 | { | |
00fe468b JR |
7521 | HDC hdc = get_frame_dc (f); |
7522 | ||
97e6de38 | 7523 | /* Erase background again for safety. */ |
00fe468b JR |
7524 | w32_clear_rect (f, hdc, &msg.rect); |
7525 | release_frame_dc (f, hdc); | |
791f420f JR |
7526 | expose_frame (f, |
7527 | msg.rect.left, | |
7528 | msg.rect.top, | |
7529 | msg.rect.right - msg.rect.left, | |
7530 | msg.rect.bottom - msg.rect.top); | |
ee78dc32 GV |
7531 | } |
7532 | } | |
52cf03a1 | 7533 | break; |
689004fa | 7534 | |
f98169a0 GV |
7535 | case WM_INPUTLANGCHANGE: |
7536 | /* Generate a language change event. */ | |
7537 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
7538 | ||
7539 | if (f) | |
7540 | { | |
7541 | if (numchars == 0) | |
7542 | abort (); | |
7543 | ||
7544 | bufp->kind = language_change_event; | |
7545 | XSETFRAME (bufp->frame_or_window, f); | |
7546 | bufp->code = msg.msg.wParam; | |
7547 | bufp->modifiers = msg.msg.lParam & 0xffff; | |
7548 | bufp++; | |
7549 | count++; | |
7550 | numchars--; | |
7551 | } | |
7552 | break; | |
7553 | ||
ee78dc32 GV |
7554 | case WM_KEYDOWN: |
7555 | case WM_SYSKEYDOWN: | |
7556 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
7557 | ||
7558 | if (f && !f->iconified) | |
7559 | { | |
7560 | if (temp_index == sizeof temp_buffer / sizeof (short)) | |
7561 | temp_index = 0; | |
7562 | temp_buffer[temp_index++] = msg.msg.wParam; | |
7563 | bufp->kind = non_ascii_keystroke; | |
7564 | bufp->code = msg.msg.wParam; | |
f98169a0 | 7565 | bufp->modifiers = msg.dwModifiers; |
ee78dc32 GV |
7566 | XSETFRAME (bufp->frame_or_window, f); |
7567 | bufp->timestamp = msg.msg.time; | |
7568 | bufp++; | |
7569 | numchars--; | |
7570 | count++; | |
7571 | } | |
7572 | break; | |
689004fa | 7573 | |
ee78dc32 GV |
7574 | case WM_SYSCHAR: |
7575 | case WM_CHAR: | |
7576 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
7577 | ||
7578 | if (f && !f->iconified) | |
7579 | { | |
f98169a0 GV |
7580 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
7581 | temp_index = 0; | |
7582 | temp_buffer[temp_index++] = msg.msg.wParam; | |
7583 | bufp->kind = ascii_keystroke; | |
7584 | bufp->code = msg.msg.wParam; | |
7585 | bufp->modifiers = msg.dwModifiers; | |
7586 | XSETFRAME (bufp->frame_or_window, f); | |
7587 | bufp->timestamp = msg.msg.time; | |
7588 | bufp++; | |
7589 | numchars--; | |
7590 | count++; | |
ee78dc32 GV |
7591 | } |
7592 | break; | |
689004fa | 7593 | |
ee78dc32 | 7594 | case WM_MOUSEMOVE: |
791f420f JR |
7595 | previous_help_echo = help_echo; |
7596 | help_echo = Qnil; | |
7597 | ||
ee78dc32 GV |
7598 | if (dpyinfo->grabbed && last_mouse_frame |
7599 | && FRAME_LIVE_P (last_mouse_frame)) | |
7600 | f = last_mouse_frame; | |
7601 | else | |
7602 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
7603 | ||
7604 | if (f) | |
7605 | note_mouse_movement (f, &msg.msg); | |
7606 | else | |
791f420f JR |
7607 | { |
7608 | /* If we move outside the frame, then we're | |
7609 | certainly no longer on any text in the frame. */ | |
7610 | clear_mouse_face (FRAME_W32_DISPLAY_INFO (f)); | |
7611 | } | |
7612 | ||
7613 | /* If the contents of the global variable help_echo | |
7614 | has changed, generate a HELP_EVENT. */ | |
b7e80413 SM |
7615 | if (!NILP (help_echo) |
7616 | || !NILP (previous_help_echo)) | |
791f420f JR |
7617 | { |
7618 | Lisp_Object frame; | |
7619 | ||
7620 | if (f) | |
7621 | XSETFRAME (frame, f); | |
7622 | else | |
7623 | frame = Qnil; | |
7624 | ||
7625 | any_help_event_p = 1; | |
7626 | bufp->kind = HELP_EVENT; | |
c8b33aa6 GM |
7627 | bufp->frame_or_window = frame; |
7628 | bufp->arg = help_echo; | |
791f420f JR |
7629 | ++bufp, ++count, --numchars; |
7630 | } | |
7631 | break; | |
689004fa | 7632 | |
ee78dc32 GV |
7633 | case WM_LBUTTONDOWN: |
7634 | case WM_LBUTTONUP: | |
7635 | case WM_MBUTTONDOWN: | |
7636 | case WM_MBUTTONUP: | |
7637 | case WM_RBUTTONDOWN: | |
7638 | case WM_RBUTTONUP: | |
7639 | { | |
791f420f JR |
7640 | /* If we decide we want to generate an event to be seen |
7641 | by the rest of Emacs, we put it here. */ | |
7642 | struct input_event emacs_event; | |
7643 | int tool_bar_p = 0; | |
ee78dc32 GV |
7644 | int button; |
7645 | int up; | |
791f420f JR |
7646 | |
7647 | emacs_event.kind = no_event; | |
ee78dc32 GV |
7648 | |
7649 | if (dpyinfo->grabbed && last_mouse_frame | |
7650 | && FRAME_LIVE_P (last_mouse_frame)) | |
7651 | f = last_mouse_frame; | |
7652 | else | |
7653 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
7654 | ||
7655 | if (f) | |
7656 | { | |
791f420f JR |
7657 | construct_mouse_click (&emacs_event, &msg, f); |
7658 | ||
7659 | /* Is this in the tool-bar? */ | |
7660 | if (WINDOWP (f->tool_bar_window) | |
7661 | && XFASTINT (XWINDOW (f->tool_bar_window)->height)) | |
7662 | { | |
7663 | Lisp_Object window; | |
7664 | int p, x, y; | |
7665 | ||
7666 | /* Set x and y. */ | |
7667 | window = window_from_coordinates (f, | |
7668 | emacs_event.x, | |
7669 | emacs_event.y, | |
7670 | &p, 1); | |
7671 | if (EQ (window, f->tool_bar_window)) | |
7672 | { | |
7673 | w32_handle_tool_bar_click (f, &emacs_event); | |
7674 | tool_bar_p = 1; | |
7675 | } | |
7676 | } | |
7677 | ||
7678 | if (!tool_bar_p) | |
7679 | if (!dpyinfo->w32_focus_frame | |
7680 | || f == dpyinfo->w32_focus_frame | |
7681 | && (numchars >= 1)) | |
7682 | { | |
7683 | construct_mouse_click (bufp, &msg, f); | |
7684 | bufp++; | |
7685 | count++; | |
7686 | numchars--; | |
7687 | } | |
ee78dc32 GV |
7688 | } |
7689 | ||
7690 | parse_button (msg.msg.message, &button, &up); | |
7691 | ||
7692 | if (up) | |
7693 | { | |
7694 | dpyinfo->grabbed &= ~ (1 << button); | |
7695 | } | |
7696 | else | |
7697 | { | |
7698 | dpyinfo->grabbed |= (1 << button); | |
7699 | last_mouse_frame = f; | |
791f420f JR |
7700 | /* Ignore any mouse motion that happened |
7701 | before this event; any subsequent mouse-movement | |
7702 | Emacs events should reflect only motion after | |
7703 | the ButtonPress. */ | |
7704 | if (f != 0) | |
7705 | f->mouse_moved = 0; | |
7706 | ||
7707 | if (!tool_bar_p) | |
7708 | last_tool_bar_item = -1; | |
ee78dc32 | 7709 | } |
689004fa | 7710 | break; |
ee78dc32 GV |
7711 | } |
7712 | ||
689004fa GV |
7713 | case WM_MOUSEWHEEL: |
7714 | if (dpyinfo->grabbed && last_mouse_frame | |
7715 | && FRAME_LIVE_P (last_mouse_frame)) | |
7716 | f = last_mouse_frame; | |
7717 | else | |
7718 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
7719 | ||
7720 | if (f) | |
7721 | { | |
7722 | if ((!dpyinfo->w32_focus_frame | |
7723 | || f == dpyinfo->w32_focus_frame) | |
7724 | && (numchars >= 1)) | |
7725 | { | |
7726 | construct_mouse_wheel (bufp, &msg, f); | |
7727 | bufp++; | |
7728 | count++; | |
7729 | numchars--; | |
7730 | } | |
7731 | } | |
ee78dc32 | 7732 | break; |
689004fa | 7733 | |
93ff4395 JR |
7734 | case WM_MENUSELECT: |
7735 | { | |
7736 | HMENU menu = (HMENU) msg.msg.lParam; | |
7737 | UINT menu_item = (UINT) LOWORD (msg.msg.wParam); | |
7738 | UINT flags = (UINT) HIWORD (msg.msg.wParam); | |
9ef2e2cf JR |
7739 | |
7740 | /* NTEMACS_TODO: Can't call the below with input blocked, | |
7741 | as it may result in hooks being called if the window | |
7742 | layout needs to change to display the message, and | |
7743 | Feval will abort if input is blocked. But unblocking | |
7744 | temporarily is not the best solution. */ | |
7745 | UNBLOCK_INPUT; | |
93ff4395 | 7746 | w32_menu_display_help (menu, menu_item, flags); |
9ef2e2cf | 7747 | BLOCK_INPUT; |
93ff4395 JR |
7748 | } |
7749 | break; | |
7750 | ||
12857dfd RS |
7751 | case WM_DROPFILES: |
7752 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
7753 | ||
7754 | if (f) | |
7755 | { | |
7756 | construct_drag_n_drop (bufp, &msg, f); | |
7757 | bufp++; | |
7758 | count++; | |
7759 | numchars--; | |
7760 | } | |
7761 | break; | |
7762 | ||
ee78dc32 GV |
7763 | case WM_VSCROLL: |
7764 | { | |
689004fa GV |
7765 | struct scroll_bar *bar = |
7766 | x_window_to_scroll_bar ((HWND)msg.msg.lParam); | |
ee78dc32 GV |
7767 | |
7768 | if (bar && numchars >= 1) | |
7769 | { | |
52cf03a1 GV |
7770 | if (x_scroll_bar_handle_click (bar, &msg, bufp)) |
7771 | { | |
7772 | bufp++; | |
7773 | count++; | |
7774 | numchars--; | |
7775 | } | |
ee78dc32 | 7776 | } |
689004fa | 7777 | break; |
ee78dc32 GV |
7778 | } |
7779 | ||
689004fa GV |
7780 | case WM_WINDOWPOSCHANGED: |
7781 | case WM_ACTIVATE: | |
7782 | case WM_ACTIVATEAPP: | |
7783 | check_visibility = 1; | |
ee78dc32 | 7784 | break; |
689004fa | 7785 | |
ee78dc32 GV |
7786 | case WM_MOVE: |
7787 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
7788 | ||
7789 | if (f && !f->async_iconified) | |
7790 | { | |
689004fa GV |
7791 | int x, y; |
7792 | ||
7793 | x_real_positions (f, &x, &y); | |
7794 | f->output_data.w32->left_pos = x; | |
7795 | f->output_data.w32->top_pos = y; | |
ee78dc32 | 7796 | } |
689004fa GV |
7797 | |
7798 | check_visibility = 1; | |
7799 | break; | |
7800 | ||
7801 | case WM_SHOWWINDOW: | |
7802 | /* If window has been obscured or exposed by another window | |
7803 | being maximised or minimised/restored, then recheck | |
7804 | visibility of all frames. Direct changes to our own | |
7805 | windows get handled by WM_SIZE. */ | |
7806 | #if 0 | |
7807 | if (msg.msg.lParam != 0) | |
7808 | check_visibility = 1; | |
7809 | else | |
7810 | { | |
7811 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
7812 | f->async_visible = msg.msg.wParam; | |
7813 | } | |
7814 | #endif | |
7815 | ||
7816 | check_visibility = 1; | |
ee78dc32 | 7817 | break; |
689004fa | 7818 | |
ee78dc32 GV |
7819 | case WM_SIZE: |
7820 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
7821 | ||
689004fa GV |
7822 | /* Inform lisp of whether frame has been iconified etc. */ |
7823 | if (f) | |
ee78dc32 | 7824 | { |
689004fa | 7825 | switch (msg.msg.wParam) |
ee78dc32 | 7826 | { |
689004fa GV |
7827 | case SIZE_MINIMIZED: |
7828 | f->async_visible = 0; | |
ee78dc32 GV |
7829 | f->async_iconified = 1; |
7830 | ||
7831 | bufp->kind = iconify_event; | |
7832 | XSETFRAME (bufp->frame_or_window, f); | |
7833 | bufp++; | |
7834 | count++; | |
7835 | numchars--; | |
689004fa GV |
7836 | break; |
7837 | ||
7838 | case SIZE_MAXIMIZED: | |
7839 | case SIZE_RESTORED: | |
ee78dc32 GV |
7840 | f->async_visible = 1; |
7841 | f->async_iconified = 0; | |
7842 | ||
7843 | /* wait_reading_process_input will notice this and update | |
7844 | the frame's display structures. */ | |
7845 | SET_FRAME_GARBAGED (f); | |
7846 | ||
7847 | if (f->iconified) | |
7848 | { | |
31d4844a KH |
7849 | int x, y; |
7850 | ||
7851 | /* Reset top and left positions of the Window | |
7852 | here since Windows sends a WM_MOVE message | |
7853 | BEFORE telling us the Window is minimized | |
7854 | when the Window is iconified, with 3000,3000 | |
7855 | as the co-ords. */ | |
7856 | x_real_positions (f, &x, &y); | |
7857 | f->output_data.w32->left_pos = x; | |
7858 | f->output_data.w32->top_pos = y; | |
7859 | ||
ee78dc32 GV |
7860 | bufp->kind = deiconify_event; |
7861 | XSETFRAME (bufp->frame_or_window, f); | |
7862 | bufp++; | |
7863 | count++; | |
7864 | numchars--; | |
7865 | } | |
9ef2e2cf JR |
7866 | else if (! NILP (Vframe_list) |
7867 | && ! NILP (XCDR (Vframe_list))) | |
ee78dc32 GV |
7868 | /* Force a redisplay sooner or later |
7869 | to update the frame titles | |
7870 | in case this is the second frame. */ | |
7871 | record_asynch_buffer_change (); | |
689004fa | 7872 | break; |
ee78dc32 | 7873 | } |
ee78dc32 | 7874 | } |
689004fa | 7875 | |
ef0e360f GV |
7876 | if (f && !f->async_iconified && msg.msg.wParam != SIZE_MINIMIZED) |
7877 | { | |
7878 | RECT rect; | |
7879 | int rows; | |
7880 | int columns; | |
7881 | int width; | |
7882 | int height; | |
7883 | ||
7884 | GetClientRect(msg.msg.hwnd, &rect); | |
7885 | ||
7886 | height = rect.bottom - rect.top; | |
7887 | width = rect.right - rect.left; | |
7888 | ||
7889 | rows = PIXEL_TO_CHAR_HEIGHT (f, height); | |
7890 | columns = PIXEL_TO_CHAR_WIDTH (f, width); | |
7891 | ||
7892 | /* TODO: Clip size to the screen dimensions. */ | |
7893 | ||
7894 | /* Even if the number of character rows and columns has | |
7895 | not changed, the font size may have changed, so we need | |
7896 | to check the pixel dimensions as well. */ | |
7897 | ||
7898 | if (columns != f->width | |
7899 | || rows != f->height | |
7900 | || width != f->output_data.w32->pixel_width | |
7901 | || height != f->output_data.w32->pixel_height) | |
7902 | { | |
791f420f | 7903 | change_frame_size (f, rows, columns, 0, 1, 0); |
ef0e360f | 7904 | SET_FRAME_GARBAGED (f); |
31d4844a | 7905 | cancel_mouse_face (f); |
ef0e360f GV |
7906 | f->output_data.w32->pixel_width = width; |
7907 | f->output_data.w32->pixel_height = height; | |
7908 | f->output_data.w32->win_gravity = NorthWestGravity; | |
7909 | } | |
7910 | } | |
7911 | ||
689004fa GV |
7912 | check_visibility = 1; |
7913 | break; | |
7914 | ||
7915 | case WM_SETFOCUS: | |
791f420f JR |
7916 | f = x_any_window_to_frame (dpyinfo, msg.msg.hwnd); |
7917 | ||
7918 | dpyinfo->w32_focus_event_frame = f; | |
7919 | ||
7920 | if (f) | |
7921 | x_new_focus_frame (dpyinfo, f); | |
7922 | ||
7923 | ||
7924 | dpyinfo->grabbed = 0; | |
7925 | check_visibility = 1; | |
7926 | break; | |
7927 | ||
689004fa | 7928 | case WM_KILLFOCUS: |
791f420f JR |
7929 | /* NTEMACS_TODO: some of this belongs in MOUSE_LEAVE */ |
7930 | f = x_top_window_to_frame (dpyinfo, msg.msg.hwnd); | |
08712a41 | 7931 | |
791f420f JR |
7932 | if (f) |
7933 | { | |
7934 | Lisp_Object frame; | |
7935 | ||
7936 | if (f == dpyinfo->w32_focus_event_frame) | |
7937 | dpyinfo->w32_focus_event_frame = 0; | |
7938 | ||
7939 | if (f == dpyinfo->w32_focus_frame) | |
7940 | x_new_focus_frame (dpyinfo, 0); | |
7941 | ||
7942 | if (f == dpyinfo->mouse_face_mouse_frame) | |
7943 | { | |
7944 | /* If we move outside the frame, then we're | |
7945 | certainly no longer on any text in the frame. */ | |
7946 | clear_mouse_face (dpyinfo); | |
7947 | dpyinfo->mouse_face_mouse_frame = 0; | |
7948 | } | |
9ef2e2cf | 7949 | |
791f420f JR |
7950 | /* Generate a nil HELP_EVENT to cancel a help-echo. |
7951 | Do it only if there's something to cancel. | |
7952 | Otherwise, the startup message is cleared when | |
7953 | the mouse leaves the frame. */ | |
7954 | if (any_help_event_p) | |
7955 | { | |
7956 | XSETFRAME (frame, f); | |
7957 | bufp->kind = HELP_EVENT; | |
c8b33aa6 GM |
7958 | bufp->frame_or_window = frame; |
7959 | bufp->arg = Qnil; | |
791f420f JR |
7960 | ++bufp, ++count, --numchars; |
7961 | } | |
7962 | } | |
689004fa | 7963 | |
08712a41 | 7964 | dpyinfo->grabbed = 0; |
689004fa | 7965 | check_visibility = 1; |
ee78dc32 | 7966 | break; |
689004fa | 7967 | |
ee78dc32 GV |
7968 | case WM_CLOSE: |
7969 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
7970 | ||
7971 | if (f) | |
7972 | { | |
7973 | if (numchars == 0) | |
7974 | abort (); | |
7975 | ||
7976 | bufp->kind = delete_window_event; | |
7977 | XSETFRAME (bufp->frame_or_window, f); | |
7978 | bufp++; | |
7979 | count++; | |
7980 | numchars--; | |
7981 | } | |
689004fa GV |
7982 | break; |
7983 | ||
7984 | case WM_INITMENU: | |
7985 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
7986 | ||
7987 | if (f) | |
7988 | { | |
7989 | if (numchars == 0) | |
7990 | abort (); | |
ee78dc32 | 7991 | |
689004fa GV |
7992 | bufp->kind = menu_bar_activate_event; |
7993 | XSETFRAME (bufp->frame_or_window, f); | |
7994 | bufp++; | |
7995 | count++; | |
7996 | numchars--; | |
7997 | } | |
ee78dc32 | 7998 | break; |
689004fa | 7999 | |
ee78dc32 GV |
8000 | case WM_COMMAND: |
8001 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
014b6ea1 | 8002 | |
ee78dc32 GV |
8003 | if (f) |
8004 | { | |
f98169a0 GV |
8005 | extern void menubar_selection_callback |
8006 | (FRAME_PTR f, void * client_data); | |
014b6ea1 | 8007 | menubar_selection_callback (f, (void *)msg.msg.wParam); |
ee78dc32 | 8008 | } |
689004fa GV |
8009 | |
8010 | check_visibility = 1; | |
8011 | break; | |
8012 | ||
8013 | case WM_DISPLAYCHANGE: | |
8014 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
8015 | ||
8016 | if (f) | |
8017 | { | |
8018 | dpyinfo->width = (short) LOWORD (msg.msg.lParam); | |
8019 | dpyinfo->height = (short) HIWORD (msg.msg.lParam); | |
8020 | dpyinfo->n_cbits = msg.msg.wParam; | |
8021 | DebPrint (("display change: %d %d\n", dpyinfo->width, | |
8022 | dpyinfo->height)); | |
8023 | } | |
8024 | ||
8025 | check_visibility = 1; | |
ee78dc32 | 8026 | break; |
e7efd97e GV |
8027 | |
8028 | default: | |
8029 | /* Check for messages registered at runtime. */ | |
8030 | if (msg.msg.message == msh_mousewheel) | |
8031 | { | |
8032 | if (dpyinfo->grabbed && last_mouse_frame | |
8033 | && FRAME_LIVE_P (last_mouse_frame)) | |
8034 | f = last_mouse_frame; | |
8035 | else | |
8036 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
8037 | ||
8038 | if (f) | |
8039 | { | |
8040 | if ((!dpyinfo->w32_focus_frame | |
8041 | || f == dpyinfo->w32_focus_frame) | |
8042 | && (numchars >= 1)) | |
8043 | { | |
8044 | construct_mouse_wheel (bufp, &msg, f); | |
8045 | bufp++; | |
8046 | count++; | |
8047 | numchars--; | |
8048 | } | |
8049 | } | |
8050 | } | |
8051 | break; | |
ee78dc32 GV |
8052 | } |
8053 | } | |
8054 | ||
8055 | /* If the focus was just given to an autoraising frame, | |
8056 | raise it now. */ | |
8057 | /* ??? This ought to be able to handle more than one such frame. */ | |
8058 | if (pending_autoraise_frame) | |
8059 | { | |
8060 | x_raise_frame (pending_autoraise_frame); | |
8061 | pending_autoraise_frame = 0; | |
8062 | } | |
8063 | ||
689004fa GV |
8064 | /* Check which frames are still visisble, if we have enqueued any user |
8065 | events or been notified of events that may affect visibility. We | |
8066 | do this here because there doesn't seem to be any direct | |
8067 | notification from Windows that the visibility of a window has | |
8068 | changed (at least, not in all cases). */ | |
8069 | if (count > 0 || check_visibility) | |
8070 | { | |
8071 | Lisp_Object tail, frame; | |
8072 | ||
8073 | FOR_EACH_FRAME (tail, frame) | |
8074 | { | |
8075 | FRAME_PTR f = XFRAME (frame); | |
8076 | /* Check "visible" frames and mark each as obscured or not. | |
8077 | Note that async_visible is nonzero for unobscured and | |
8078 | obscured frames, but zero for hidden and iconified frames. */ | |
8079 | if (FRAME_W32_P (f) && f->async_visible) | |
8080 | { | |
8081 | RECT clipbox; | |
8082 | HDC hdc = get_frame_dc (f); | |
8083 | GetClipBox (hdc, &clipbox); | |
8084 | release_frame_dc (f, hdc); | |
8085 | ||
8086 | if (clipbox.right == clipbox.left | |
8087 | || clipbox.bottom == clipbox.top) | |
8088 | { | |
8089 | /* Frame has become completely obscured so mark as | |
8090 | such (we do this by setting async_visible to 2 so | |
8091 | that FRAME_VISIBLE_P is still true, but redisplay | |
8092 | will skip it). */ | |
8093 | f->async_visible = 2; | |
8094 | ||
8095 | if (!FRAME_OBSCURED_P (f)) | |
8096 | { | |
8097 | DebPrint (("frame %04x (%s) obscured\n", f, | |
8098 | XSTRING (f->name)->data)); | |
8099 | } | |
8100 | } | |
8101 | else | |
8102 | { | |
8103 | /* Frame is not obscured, so mark it as such. */ | |
8104 | f->async_visible = 1; | |
8105 | ||
8106 | if (FRAME_OBSCURED_P (f)) | |
8107 | { | |
8108 | SET_FRAME_GARBAGED (f); | |
8109 | DebPrint (("frame %04x (%s) reexposed\n", f, | |
8110 | XSTRING (f->name)->data)); | |
8111 | ||
8112 | /* Force a redisplay sooner or later. */ | |
8113 | record_asynch_buffer_change (); | |
8114 | } | |
8115 | } | |
8116 | } | |
8117 | } | |
8118 | } | |
8119 | ||
ee78dc32 GV |
8120 | UNBLOCK_INPUT; |
8121 | return count; | |
8122 | } | |
791f420f | 8123 | |
9ef2e2cf JR |
8124 | |
8125 | ||
ee78dc32 | 8126 | \f |
791f420f JR |
8127 | /*********************************************************************** |
8128 | Text Cursor | |
8129 | ***********************************************************************/ | |
8130 | ||
8131 | /* Note if the text cursor of window W has been overwritten by a | |
8132 | drawing operation that outputs N glyphs starting at HPOS in the | |
8133 | line given by output_cursor.vpos. N < 0 means all the rest of the | |
8134 | line after HPOS has been written. */ | |
8135 | ||
8136 | static void | |
8137 | note_overwritten_text_cursor (w, hpos, n) | |
8138 | struct window *w; | |
8139 | int hpos, n; | |
8140 | { | |
8141 | if (updated_area == TEXT_AREA | |
8142 | && output_cursor.vpos == w->phys_cursor.vpos | |
8143 | && hpos <= w->phys_cursor.hpos | |
8144 | && (n < 0 | |
8145 | || hpos + n > w->phys_cursor.hpos)) | |
8146 | w->phys_cursor_on_p = 0; | |
8147 | } | |
8148 | ||
ee78dc32 | 8149 | |
791f420f JR |
8150 | /* Set clipping for output in glyph row ROW. W is the window in which |
8151 | we operate. GC is the graphics context to set clipping in. | |
8152 | WHOLE_LINE_P non-zero means include the areas used for truncation | |
8153 | mark display and alike in the clipping rectangle. | |
ee78dc32 | 8154 | |
791f420f JR |
8155 | ROW may be a text row or, e.g., a mode line. Text rows must be |
8156 | clipped to the interior of the window dedicated to text display, | |
8157 | mode lines must be clipped to the whole window. */ | |
ee78dc32 GV |
8158 | |
8159 | static void | |
791f420f JR |
8160 | w32_clip_to_row (w, row, hdc, whole_line_p) |
8161 | struct window *w; | |
8162 | struct glyph_row *row; | |
8163 | HDC hdc; | |
8164 | int whole_line_p; | |
ee78dc32 | 8165 | { |
791f420f JR |
8166 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
8167 | RECT clip_rect; | |
8168 | int window_x, window_y, window_width, window_height; | |
52cf03a1 | 8169 | |
791f420f | 8170 | window_box (w, -1, &window_x, &window_y, &window_width, &window_height); |
52cf03a1 | 8171 | |
791f420f JR |
8172 | clip_rect.left = WINDOW_TO_FRAME_PIXEL_X (w, 0); |
8173 | clip_rect.top = WINDOW_TO_FRAME_PIXEL_Y (w, row->y); | |
8174 | clip_rect.top = max (clip_rect.top, window_y); | |
8175 | clip_rect.right = clip_rect.left + window_width; | |
8176 | clip_rect.bottom = clip_rect.top + row->visible_height; | |
8177 | ||
8178 | /* If clipping to the whole line, including trunc marks, extend | |
9ef2e2cf | 8179 | the rectangle to the left and increase its width. */ |
791f420f JR |
8180 | if (whole_line_p) |
8181 | { | |
8182 | clip_rect.left -= FRAME_X_LEFT_FLAGS_AREA_WIDTH (f); | |
8183 | clip_rect.right += FRAME_X_FLAGS_AREA_WIDTH (f); | |
8184 | } | |
8185 | ||
8186 | w32_set_clip_rectangle (hdc, &clip_rect); | |
ee78dc32 GV |
8187 | } |
8188 | ||
791f420f JR |
8189 | |
8190 | /* Draw a hollow box cursor on window W in glyph row ROW. */ | |
ee78dc32 GV |
8191 | |
8192 | static void | |
791f420f JR |
8193 | x_draw_hollow_cursor (w, row) |
8194 | struct window *w; | |
8195 | struct glyph_row *row; | |
ee78dc32 | 8196 | { |
791f420f JR |
8197 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
8198 | HDC hdc = get_frame_dc (f); | |
8199 | RECT rect; | |
8200 | int wd; | |
8201 | struct glyph *cursor_glyph; | |
8202 | HBRUSH hb = CreateSolidBrush (f->output_data.w32->cursor_pixel); | |
8203 | ||
8204 | /* Compute frame-relative coordinates from window-relative | |
8205 | coordinates. */ | |
8206 | rect.left = WINDOW_TEXT_TO_FRAME_PIXEL_X (w, w->phys_cursor.x); | |
8207 | rect.top = (WINDOW_TO_FRAME_PIXEL_Y (w, w->phys_cursor.y) | |
8208 | + row->ascent - w->phys_cursor_ascent); | |
8209 | rect.bottom = rect.top + row->height - 1; | |
8210 | ||
8211 | /* Get the glyph the cursor is on. If we can't tell because | |
8212 | the current matrix is invalid or such, give up. */ | |
8213 | cursor_glyph = get_phys_cursor_glyph (w); | |
8214 | if (cursor_glyph == NULL) | |
ee78dc32 GV |
8215 | return; |
8216 | ||
791f420f JR |
8217 | /* Compute the width of the rectangle to draw. If on a stretch |
8218 | glyph, and `x-stretch-block-cursor' is nil, don't draw a | |
8219 | rectangle as wide as the glyph, but use a canonical character | |
8220 | width instead. */ | |
8221 | wd = cursor_glyph->pixel_width - 1; | |
8222 | if (cursor_glyph->type == STRETCH_GLYPH | |
8223 | && !x_stretch_cursor_p) | |
8224 | wd = min (CANON_X_UNIT (f), wd); | |
8225 | ||
8226 | rect.right = rect.left + wd; | |
8227 | ||
8228 | FrameRect (hdc, &rect, hb); | |
8229 | DeleteObject (hb); | |
8230 | ||
8231 | release_frame_dc (f, hdc); | |
ee78dc32 GV |
8232 | } |
8233 | ||
791f420f JR |
8234 | |
8235 | /* Draw a bar cursor on window W in glyph row ROW. | |
8236 | ||
8237 | Implementation note: One would like to draw a bar cursor with an | |
8238 | angle equal to the one given by the font property XA_ITALIC_ANGLE. | |
8239 | Unfortunately, I didn't find a font yet that has this property set. | |
8240 | --gerd. */ | |
ee78dc32 GV |
8241 | |
8242 | static void | |
9ef2e2cf | 8243 | x_draw_bar_cursor (w, row, width) |
791f420f JR |
8244 | struct window *w; |
8245 | struct glyph_row *row; | |
9ef2e2cf | 8246 | int width; |
ee78dc32 | 8247 | { |
791f420f JR |
8248 | /* If cursor hpos is out of bounds, don't draw garbage. This can |
8249 | happen in mini-buffer windows when switching between echo area | |
8250 | glyphs and mini-buffer. */ | |
8251 | if (w->phys_cursor.hpos < row->used[TEXT_AREA]) | |
8252 | { | |
8253 | struct frame *f = XFRAME (w->frame); | |
8254 | struct glyph *cursor_glyph; | |
8255 | int x; | |
00fe468b | 8256 | HDC hdc; |
791f420f JR |
8257 | |
8258 | cursor_glyph = get_phys_cursor_glyph (w); | |
8259 | if (cursor_glyph == NULL) | |
8260 | return; | |
8261 | ||
8262 | x = WINDOW_TEXT_TO_FRAME_PIXEL_X (w, w->phys_cursor.x); | |
8263 | ||
9ef2e2cf JR |
8264 | if (width < 0) |
8265 | width = f->output_data.w32->cursor_width; | |
8266 | ||
00fe468b | 8267 | hdc = get_frame_dc (f); |
791f420f JR |
8268 | w32_fill_area (f, hdc, f->output_data.w32->cursor_pixel, |
8269 | x, | |
8270 | WINDOW_TO_FRAME_PIXEL_Y (w, w->phys_cursor.y), | |
9ef2e2cf | 8271 | min (cursor_glyph->pixel_width, width), |
791f420f JR |
8272 | row->height); |
8273 | release_frame_dc (f, hdc); | |
8274 | } | |
ee78dc32 GV |
8275 | } |
8276 | ||
791f420f JR |
8277 | |
8278 | /* Clear the cursor of window W to background color, and mark the | |
8279 | cursor as not shown. This is used when the text where the cursor | |
8280 | is is about to be rewritten. */ | |
8281 | ||
ee78dc32 | 8282 | static void |
791f420f JR |
8283 | x_clear_cursor (w) |
8284 | struct window *w; | |
ee78dc32 | 8285 | { |
791f420f JR |
8286 | if (FRAME_VISIBLE_P (XFRAME (w->frame)) && w->phys_cursor_on_p) |
8287 | x_update_window_cursor (w, 0); | |
8288 | } | |
ee78dc32 | 8289 | |
ee78dc32 | 8290 | |
791f420f JR |
8291 | /* Draw the cursor glyph of window W in glyph row ROW. See the |
8292 | comment of x_draw_glyphs for the meaning of HL. */ | |
ee78dc32 | 8293 | |
791f420f JR |
8294 | static void |
8295 | x_draw_phys_cursor_glyph (w, row, hl) | |
8296 | struct window *w; | |
8297 | struct glyph_row *row; | |
8298 | enum draw_glyphs_face hl; | |
8299 | { | |
8300 | /* If cursor hpos is out of bounds, don't draw garbage. This can | |
8301 | happen in mini-buffer windows when switching between echo area | |
8302 | glyphs and mini-buffer. */ | |
8303 | if (w->phys_cursor.hpos < row->used[TEXT_AREA]) | |
ee78dc32 | 8304 | { |
791f420f JR |
8305 | x_draw_glyphs (w, w->phys_cursor.x, row, TEXT_AREA, |
8306 | w->phys_cursor.hpos, w->phys_cursor.hpos + 1, | |
8307 | hl, 0, 0, 0); | |
8308 | ||
8309 | /* When we erase the cursor, and ROW is overlapped by other | |
8310 | rows, make sure that these overlapping parts of other rows | |
8311 | are redrawn. */ | |
8312 | if (hl == DRAW_NORMAL_TEXT && row->overlapped_p) | |
8313 | { | |
8314 | if (row > w->current_matrix->rows | |
8315 | && MATRIX_ROW_OVERLAPS_SUCC_P (row - 1)) | |
8316 | x_fix_overlapping_area (w, row - 1, TEXT_AREA); | |
8317 | ||
8318 | if (MATRIX_ROW_BOTTOM_Y (row) < window_text_bottom_y (w) | |
8319 | && MATRIX_ROW_OVERLAPS_PRED_P (row + 1)) | |
8320 | x_fix_overlapping_area (w, row + 1, TEXT_AREA); | |
8321 | } | |
ee78dc32 | 8322 | } |
791f420f | 8323 | } |
ee78dc32 | 8324 | |
791f420f JR |
8325 | |
8326 | /* Erase the image of a cursor of window W from the screen. */ | |
8327 | ||
8328 | static void | |
8329 | x_erase_phys_cursor (w) | |
8330 | struct window *w; | |
8331 | { | |
8332 | struct frame *f = XFRAME (w->frame); | |
8333 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); | |
8334 | int hpos = w->phys_cursor.hpos; | |
8335 | int vpos = w->phys_cursor.vpos; | |
8336 | int mouse_face_here_p = 0; | |
8337 | struct glyph_matrix *active_glyphs = w->current_matrix; | |
8338 | struct glyph_row *cursor_row; | |
8339 | struct glyph *cursor_glyph; | |
8340 | enum draw_glyphs_face hl; | |
8341 | ||
8342 | /* No cursor displayed or row invalidated => nothing to do on the | |
8343 | screen. */ | |
8344 | if (w->phys_cursor_type == NO_CURSOR) | |
8345 | goto mark_cursor_off; | |
8346 | ||
8347 | /* VPOS >= active_glyphs->nrows means that window has been resized. | |
8348 | Don't bother to erase the cursor. */ | |
8349 | if (vpos >= active_glyphs->nrows) | |
8350 | goto mark_cursor_off; | |
8351 | ||
8352 | /* If row containing cursor is marked invalid, there is nothing we | |
8353 | can do. */ | |
8354 | cursor_row = MATRIX_ROW (active_glyphs, vpos); | |
8355 | if (!cursor_row->enabled_p) | |
8356 | goto mark_cursor_off; | |
8357 | ||
8358 | /* This can happen when the new row is shorter than the old one. | |
8359 | In this case, either x_draw_glyphs or clear_end_of_line | |
8360 | should have cleared the cursor. Note that we wouldn't be | |
8361 | able to erase the cursor in this case because we don't have a | |
8362 | cursor glyph at hand. */ | |
8363 | if (w->phys_cursor.hpos >= cursor_row->used[TEXT_AREA]) | |
8364 | goto mark_cursor_off; | |
8365 | ||
8366 | /* If the cursor is in the mouse face area, redisplay that when | |
8367 | we clear the cursor. */ | |
8368 | if (w == XWINDOW (dpyinfo->mouse_face_window) | |
8369 | && (vpos > dpyinfo->mouse_face_beg_row | |
8370 | || (vpos == dpyinfo->mouse_face_beg_row | |
8371 | && hpos >= dpyinfo->mouse_face_beg_col)) | |
8372 | && (vpos < dpyinfo->mouse_face_end_row | |
8373 | || (vpos == dpyinfo->mouse_face_end_row | |
8374 | && hpos < dpyinfo->mouse_face_end_col)) | |
8375 | /* Don't redraw the cursor's spot in mouse face if it is at the | |
8376 | end of a line (on a newline). The cursor appears there, but | |
8377 | mouse highlighting does not. */ | |
8378 | && cursor_row->used[TEXT_AREA] > hpos) | |
8379 | mouse_face_here_p = 1; | |
8380 | ||
8381 | /* Maybe clear the display under the cursor. */ | |
8382 | if (w->phys_cursor_type == HOLLOW_BOX_CURSOR) | |
ee78dc32 | 8383 | { |
791f420f JR |
8384 | int x; |
8385 | int header_line_height = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w); | |
00fe468b | 8386 | HDC hdc; |
ee78dc32 | 8387 | |
791f420f JR |
8388 | cursor_glyph = get_phys_cursor_glyph (w); |
8389 | if (cursor_glyph == NULL) | |
8390 | goto mark_cursor_off; | |
ee78dc32 | 8391 | |
791f420f | 8392 | x = WINDOW_TEXT_TO_FRAME_PIXEL_X (w, w->phys_cursor.x); |
00fe468b JR |
8393 | |
8394 | hdc = get_frame_dc (f); | |
8395 | w32_clear_area (f, hdc, x, | |
791f420f JR |
8396 | WINDOW_TO_FRAME_PIXEL_Y (w, max (header_line_height, |
8397 | cursor_row->y)), | |
8398 | cursor_glyph->pixel_width, | |
8399 | cursor_row->visible_height); | |
00fe468b | 8400 | release_frame_dc (f, hdc); |
ee78dc32 | 8401 | } |
791f420f JR |
8402 | |
8403 | /* Erase the cursor by redrawing the character underneath it. */ | |
8404 | if (mouse_face_here_p) | |
8405 | hl = DRAW_MOUSE_FACE; | |
8406 | else if (cursor_row->inverse_p) | |
8407 | hl = DRAW_INVERSE_VIDEO; | |
8408 | else | |
8409 | hl = DRAW_NORMAL_TEXT; | |
8410 | x_draw_phys_cursor_glyph (w, cursor_row, hl); | |
8411 | ||
8412 | mark_cursor_off: | |
8413 | w->phys_cursor_on_p = 0; | |
8414 | w->phys_cursor_type = NO_CURSOR; | |
ee78dc32 GV |
8415 | } |
8416 | ||
8417 | ||
791f420f JR |
8418 | /* Display or clear cursor of window W. If ON is zero, clear the |
8419 | cursor. If it is non-zero, display the cursor. If ON is nonzero, | |
8420 | where to put the cursor is specified by HPOS, VPOS, X and Y. */ | |
ee78dc32 | 8421 | |
791f420f JR |
8422 | void |
8423 | x_display_and_set_cursor (w, on, hpos, vpos, x, y) | |
8424 | struct window *w; | |
8425 | int on, hpos, vpos, x, y; | |
ee78dc32 | 8426 | { |
791f420f JR |
8427 | struct frame *f = XFRAME (w->frame); |
8428 | int new_cursor_type; | |
9ef2e2cf | 8429 | int new_cursor_width; |
791f420f JR |
8430 | struct glyph_matrix *current_glyphs; |
8431 | struct glyph_row *glyph_row; | |
8432 | struct glyph *glyph; | |
ee78dc32 GV |
8433 | |
8434 | /* This is pointless on invisible frames, and dangerous on garbaged | |
791f420f JR |
8435 | windows and frames; in the latter case, the frame or window may |
8436 | be in the midst of changing its size, and x and y may be off the | |
8437 | window. */ | |
8438 | if (! FRAME_VISIBLE_P (f) | |
8439 | || FRAME_GARBAGED_P (f) | |
8440 | || vpos >= w->current_matrix->nrows | |
8441 | || hpos >= w->current_matrix->matrix_w) | |
ee78dc32 GV |
8442 | return; |
8443 | ||
8444 | /* If cursor is off and we want it off, return quickly. */ | |
791f420f | 8445 | if (!on && !w->phys_cursor_on_p) |
ee78dc32 GV |
8446 | return; |
8447 | ||
791f420f JR |
8448 | current_glyphs = w->current_matrix; |
8449 | glyph_row = MATRIX_ROW (current_glyphs, vpos); | |
8450 | glyph = glyph_row->glyphs[TEXT_AREA] + hpos; | |
8451 | ||
8452 | /* If cursor row is not enabled, we don't really know where to | |
8453 | display the cursor. */ | |
8454 | if (!glyph_row->enabled_p) | |
8455 | { | |
8456 | w->phys_cursor_on_p = 0; | |
8457 | return; | |
8458 | } | |
8459 | ||
8460 | xassert (interrupt_input_blocked); | |
8461 | ||
8462 | /* Set new_cursor_type to the cursor we want to be displayed. In a | |
8463 | mini-buffer window, we want the cursor only to appear if we are | |
8464 | reading input from this window. For the selected window, we want | |
8465 | the cursor type given by the frame parameter. If explicitly | |
8466 | marked off, draw no cursor. In all other cases, we want a hollow | |
8467 | box cursor. */ | |
9ef2e2cf | 8468 | new_cursor_width = -1; |
791f420f JR |
8469 | if (cursor_in_echo_area |
8470 | && FRAME_HAS_MINIBUF_P (f) | |
8471 | && EQ (FRAME_MINIBUF_WINDOW (f), echo_area_window)) | |
8472 | { | |
8473 | if (w == XWINDOW (echo_area_window)) | |
8474 | new_cursor_type = FRAME_DESIRED_CURSOR (f); | |
8475 | else | |
8476 | new_cursor_type = HOLLOW_BOX_CURSOR; | |
8477 | } | |
8478 | else | |
8479 | { | |
8480 | if (w != XWINDOW (selected_window) | |
8481 | || f != FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame) | |
8482 | { | |
a2bc11d4 JR |
8483 | extern int cursor_in_non_selected_windows; |
8484 | ||
8485 | if (MINI_WINDOW_P (w) || !cursor_in_non_selected_windows) | |
791f420f JR |
8486 | new_cursor_type = NO_CURSOR; |
8487 | else | |
8488 | new_cursor_type = HOLLOW_BOX_CURSOR; | |
8489 | } | |
8490 | else if (w->cursor_off_p) | |
8491 | new_cursor_type = NO_CURSOR; | |
8492 | else | |
9ef2e2cf JR |
8493 | { |
8494 | struct buffer *b = XBUFFER (w->buffer); | |
8495 | ||
8496 | if (EQ (b->cursor_type, Qt)) | |
8497 | new_cursor_type = FRAME_DESIRED_CURSOR (f); | |
8498 | else | |
8499 | new_cursor_type = x_specified_cursor_type (b->cursor_type, | |
8500 | &new_cursor_width); | |
8501 | } | |
791f420f JR |
8502 | } |
8503 | ||
8504 | /* If cursor is currently being shown and we don't want it to be or | |
8505 | it is in the wrong place, or the cursor type is not what we want, | |
ee78dc32 | 8506 | erase it. */ |
791f420f | 8507 | if (w->phys_cursor_on_p |
ee78dc32 | 8508 | && (!on |
791f420f JR |
8509 | || w->phys_cursor.x != x |
8510 | || w->phys_cursor.y != y | |
8511 | || new_cursor_type != w->phys_cursor_type)) | |
8512 | x_erase_phys_cursor (w); | |
8513 | ||
8514 | /* If the cursor is now invisible and we want it to be visible, | |
8515 | display it. */ | |
8516 | if (on && !w->phys_cursor_on_p) | |
8517 | { | |
8518 | w->phys_cursor_ascent = glyph_row->ascent; | |
8519 | w->phys_cursor_height = glyph_row->height; | |
8520 | ||
8521 | /* Set phys_cursor_.* before x_draw_.* is called because some | |
8522 | of them may need the information. */ | |
8523 | w->phys_cursor.x = x; | |
8524 | w->phys_cursor.y = glyph_row->y; | |
8525 | w->phys_cursor.hpos = hpos; | |
8526 | w->phys_cursor.vpos = vpos; | |
8527 | w->phys_cursor_type = new_cursor_type; | |
8528 | w->phys_cursor_on_p = 1; | |
8529 | ||
8530 | switch (new_cursor_type) | |
ee78dc32 | 8531 | { |
791f420f JR |
8532 | case HOLLOW_BOX_CURSOR: |
8533 | x_draw_hollow_cursor (w, glyph_row); | |
8534 | break; | |
8535 | ||
8536 | case FILLED_BOX_CURSOR: | |
8537 | x_draw_phys_cursor_glyph (w, glyph_row, DRAW_CURSOR); | |
8538 | break; | |
8539 | ||
8540 | case BAR_CURSOR: | |
9ef2e2cf | 8541 | x_draw_bar_cursor (w, glyph_row, new_cursor_width); |
791f420f | 8542 | break; |
ee78dc32 | 8543 | |
791f420f JR |
8544 | case NO_CURSOR: |
8545 | break; | |
8546 | ||
8547 | default: | |
8548 | abort (); | |
8549 | } | |
ee78dc32 GV |
8550 | } |
8551 | } | |
8552 | ||
689004fa | 8553 | |
791f420f JR |
8554 | /* Display the cursor on window W, or clear it. X and Y are window |
8555 | relative pixel coordinates. HPOS and VPOS are glyph matrix | |
8556 | positions. If W is not the selected window, display a hollow | |
8557 | cursor. ON non-zero means display the cursor at X, Y which | |
8558 | correspond to HPOS, VPOS, otherwise it is cleared. */ | |
8559 | ||
8560 | void | |
8561 | x_display_cursor (w, on, hpos, vpos, x, y) | |
8562 | struct window *w; | |
8563 | int on, hpos, vpos, x, y; | |
ee78dc32 GV |
8564 | { |
8565 | BLOCK_INPUT; | |
791f420f JR |
8566 | x_display_and_set_cursor (w, on, hpos, vpos, x, y); |
8567 | UNBLOCK_INPUT; | |
8568 | } | |
8569 | ||
8570 | ||
8571 | /* Display the cursor on window W, or clear it, according to ON_P. | |
8572 | Don't change the cursor's position. */ | |
8573 | ||
8574 | void | |
8575 | x_update_cursor (f, on_p) | |
8576 | struct frame *f; | |
8577 | int on_p; | |
8578 | { | |
8579 | x_update_cursor_in_window_tree (XWINDOW (f->root_window), on_p); | |
8580 | } | |
8581 | ||
8582 | ||
8583 | /* Call x_update_window_cursor with parameter ON_P on all leaf windows | |
8584 | in the window tree rooted at W. */ | |
ee78dc32 | 8585 | |
791f420f JR |
8586 | static void |
8587 | x_update_cursor_in_window_tree (w, on_p) | |
8588 | struct window *w; | |
8589 | int on_p; | |
8590 | { | |
8591 | while (w) | |
689004fa | 8592 | { |
791f420f JR |
8593 | if (!NILP (w->hchild)) |
8594 | x_update_cursor_in_window_tree (XWINDOW (w->hchild), on_p); | |
8595 | else if (!NILP (w->vchild)) | |
8596 | x_update_cursor_in_window_tree (XWINDOW (w->vchild), on_p); | |
8597 | else | |
8598 | x_update_window_cursor (w, on_p); | |
8599 | ||
8600 | w = NILP (w->next) ? 0 : XWINDOW (w->next); | |
689004fa | 8601 | } |
791f420f | 8602 | } |
689004fa | 8603 | |
ee78dc32 | 8604 | |
791f420f JR |
8605 | /* Switch the display of W's cursor on or off, according to the value |
8606 | of ON. */ | |
8607 | ||
8608 | static void | |
8609 | x_update_window_cursor (w, on) | |
8610 | struct window *w; | |
8611 | int on; | |
8612 | { | |
9ef2e2cf JR |
8613 | /* Don't update cursor in windows whose frame is in the process |
8614 | of being deleted. */ | |
8615 | if (w->current_matrix) | |
8616 | { | |
8617 | BLOCK_INPUT; | |
8618 | x_display_and_set_cursor (w, on, w->phys_cursor.hpos, | |
8619 | w->phys_cursor.vpos, w->phys_cursor.x, | |
8620 | w->phys_cursor.y); | |
8621 | UNBLOCK_INPUT; | |
8622 | } | |
ee78dc32 | 8623 | } |
791f420f JR |
8624 | |
8625 | ||
9ef2e2cf | 8626 | |
ee78dc32 | 8627 | \f |
7f5d1df8 GV |
8628 | /* Icons. */ |
8629 | ||
8630 | int | |
8631 | x_bitmap_icon (f, icon) | |
8632 | struct frame *f; | |
8633 | Lisp_Object icon; | |
8634 | { | |
8635 | int mask, bitmap_id; | |
8636 | Window icon_window; | |
8637 | HANDLE hicon; | |
8638 | ||
8639 | if (FRAME_W32_WINDOW (f) == 0) | |
8640 | return 1; | |
8641 | ||
8642 | if (NILP (icon)) | |
8643 | hicon = LoadIcon (hinst, EMACS_CLASS); | |
8644 | else if (STRINGP (icon)) | |
8645 | hicon = LoadImage (NULL, (LPCTSTR) XSTRING (icon)->data, IMAGE_ICON, 0, 0, | |
8646 | LR_DEFAULTSIZE | LR_LOADFROMFILE); | |
8647 | else if (SYMBOLP (icon)) | |
8648 | { | |
8649 | LPCTSTR name; | |
8650 | ||
8651 | if (EQ (icon, intern ("application"))) | |
8652 | name = (LPCTSTR) IDI_APPLICATION; | |
8653 | else if (EQ (icon, intern ("hand"))) | |
8654 | name = (LPCTSTR) IDI_HAND; | |
8655 | else if (EQ (icon, intern ("question"))) | |
8656 | name = (LPCTSTR) IDI_QUESTION; | |
8657 | else if (EQ (icon, intern ("exclamation"))) | |
8658 | name = (LPCTSTR) IDI_EXCLAMATION; | |
8659 | else if (EQ (icon, intern ("asterisk"))) | |
8660 | name = (LPCTSTR) IDI_ASTERISK; | |
8661 | else if (EQ (icon, intern ("winlogo"))) | |
8662 | name = (LPCTSTR) IDI_WINLOGO; | |
8663 | else | |
8664 | return 1; | |
8665 | ||
8666 | hicon = LoadIcon (NULL, name); | |
8667 | } | |
8668 | else | |
8669 | return 1; | |
8670 | ||
8671 | if (hicon == NULL) | |
8672 | return 1; | |
8673 | ||
791f420f JR |
8674 | PostMessage (FRAME_W32_WINDOW (f), WM_SETICON, (WPARAM) ICON_BIG, |
8675 | (LPARAM) hicon); | |
7f5d1df8 GV |
8676 | |
8677 | return 0; | |
8678 | } | |
8679 | ||
8680 | \f | |
ee78dc32 GV |
8681 | /* Changing the font of the frame. */ |
8682 | ||
8683 | /* Give frame F the font named FONTNAME as its default font, and | |
8684 | return the full name of that font. FONTNAME may be a wildcard | |
8685 | pattern; in that case, we choose some font that fits the pattern. | |
8686 | The return value shows which font we chose. */ | |
8687 | ||
8688 | Lisp_Object | |
8689 | x_new_font (f, fontname) | |
8690 | struct frame *f; | |
8691 | register char *fontname; | |
8692 | { | |
cabb23bc | 8693 | struct font_info *fontp |
93ff4395 | 8694 | = FS_LOAD_FONT (f, 0, fontname, -1); |
ee78dc32 | 8695 | |
cabb23bc | 8696 | if (!fontp) |
791f420f | 8697 | return Qnil; |
ee78dc32 | 8698 | |
cabb23bc | 8699 | FRAME_FONT (f) = (XFontStruct *) (fontp->font); |
791f420f | 8700 | FRAME_BASELINE_OFFSET (f) = fontp->baseline_offset; |
cabb23bc | 8701 | FRAME_FONTSET (f) = -1; |
ee78dc32 GV |
8702 | |
8703 | /* Compute the scroll bar width in character columns. */ | |
8704 | if (f->scroll_bar_pixel_width > 0) | |
8705 | { | |
fbd6baed | 8706 | int wid = FONT_WIDTH (f->output_data.w32->font); |
ee78dc32 GV |
8707 | f->scroll_bar_cols = (f->scroll_bar_pixel_width + wid-1) / wid; |
8708 | } | |
8709 | else | |
8710 | f->scroll_bar_cols = 2; | |
8711 | ||
8712 | /* Now make the frame display the given font. */ | |
fbd6baed | 8713 | if (FRAME_W32_WINDOW (f) != 0) |
ee78dc32 GV |
8714 | { |
8715 | frame_update_line_height (f); | |
8716 | x_set_window_size (f, 0, f->width, f->height); | |
8717 | } | |
8718 | else | |
8719 | /* If we are setting a new frame's font for the first time, | |
8720 | there are no faces yet, so this font's height is the line height. */ | |
fbd6baed | 8721 | f->output_data.w32->line_height = FONT_HEIGHT (f->output_data.w32->font); |
ee78dc32 | 8722 | |
791f420f | 8723 | return build_string (fontp->full_name); |
ee78dc32 GV |
8724 | } |
8725 | \f | |
cabb23bc GV |
8726 | /* Give frame F the fontset named FONTSETNAME as its default font, and |
8727 | return the full name of that fontset. FONTSETNAME may be a wildcard | |
8728 | pattern; in that case, we choose some fontset that fits the pattern. | |
8729 | The return value shows which fontset we chose. */ | |
8730 | ||
8731 | Lisp_Object | |
8732 | x_new_fontset (f, fontsetname) | |
8733 | struct frame *f; | |
8734 | char *fontsetname; | |
8735 | { | |
93ff4395 | 8736 | int fontset = fs_query_fontset (build_string (fontsetname), 0); |
cabb23bc | 8737 | Lisp_Object result; |
93ff4395 | 8738 | char *fontname; |
cabb23bc GV |
8739 | |
8740 | if (fontset < 0) | |
8741 | return Qnil; | |
8742 | ||
8743 | if (FRAME_FONTSET (f) == fontset) | |
8744 | /* This fontset is already set in frame F. There's nothing more | |
8745 | to do. */ | |
93ff4395 | 8746 | return fontset_name (fontset); |
cabb23bc | 8747 | |
93ff4395 | 8748 | result = x_new_font (f, (XSTRING (fontset_ascii (fontset))->data)); |
cabb23bc GV |
8749 | |
8750 | if (!STRINGP (result)) | |
8751 | /* Can't load ASCII font. */ | |
8752 | return Qnil; | |
8753 | ||
8754 | /* Since x_new_font doesn't update any fontset information, do it now. */ | |
8755 | FRAME_FONTSET(f) = fontset; | |
cabb23bc GV |
8756 | |
8757 | return build_string (fontsetname); | |
8758 | } | |
791f420f JR |
8759 | |
8760 | ||
8761 | #if GLYPH_DEBUG | |
8762 | ||
8763 | /* Check that FONT is valid on frame F. It is if it can be found in F's | |
8764 | font table. */ | |
8765 | ||
8766 | static void | |
8767 | x_check_font (f, font) | |
8768 | struct frame *f; | |
8769 | XFontStruct *font; | |
8770 | { | |
8771 | int i; | |
8772 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); | |
8773 | ||
8774 | xassert (font != NULL); | |
8775 | ||
8776 | for (i = 0; i < dpyinfo->n_fonts; i++) | |
8777 | if (dpyinfo->font_table[i].name | |
8778 | && font == dpyinfo->font_table[i].font) | |
8779 | break; | |
8780 | ||
8781 | xassert (i < dpyinfo->n_fonts); | |
8782 | } | |
8783 | ||
8784 | #endif /* GLYPH_DEBUG != 0 */ | |
8785 | ||
8786 | /* Set *W to the minimum width, *H to the minimum font height of FONT. | |
8787 | Note: There are (broken) X fonts out there with invalid XFontStruct | |
8788 | min_bounds contents. For example, handa@etl.go.jp reports that | |
8789 | "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1" fonts | |
8790 | have font->min_bounds.width == 0. */ | |
8791 | ||
8792 | static INLINE void | |
8793 | x_font_min_bounds (font, w, h) | |
8794 | XFontStruct *font; | |
8795 | int *w, *h; | |
8796 | { | |
8797 | *h = FONT_HEIGHT (font); | |
8798 | *w = FONT_WIDTH (font); | |
8799 | #if 0 /* NTEMACS_TODO: min/max bounds of Windows fonts */ | |
8800 | *w = font->min_bounds.width; | |
8801 | ||
8802 | /* Try to handle the case where FONT->min_bounds has invalid | |
8803 | contents. Since the only font known to have invalid min_bounds | |
8804 | is fixed-width, use max_bounds if min_bounds seems to be invalid. */ | |
8805 | if (*w <= 0) | |
8806 | *w = font->max_bounds.width; | |
8807 | #endif | |
8808 | } | |
8809 | ||
8810 | ||
8811 | /* Compute the smallest character width and smallest font height over | |
8812 | all fonts available on frame F. Set the members smallest_char_width | |
8813 | and smallest_font_height in F's x_display_info structure to | |
8814 | the values computed. Value is non-zero if smallest_font_height or | |
8815 | smallest_char_width become smaller than they were before. */ | |
8816 | ||
8817 | int | |
8818 | x_compute_min_glyph_bounds (f) | |
8819 | struct frame *f; | |
8820 | { | |
8821 | int i; | |
8822 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); | |
8823 | XFontStruct *font; | |
8824 | int old_width = dpyinfo->smallest_char_width; | |
8825 | int old_height = dpyinfo->smallest_font_height; | |
8826 | ||
8827 | dpyinfo->smallest_font_height = 100000; | |
8828 | dpyinfo->smallest_char_width = 100000; | |
8829 | ||
8830 | for (i = 0; i < dpyinfo->n_fonts; ++i) | |
8831 | if (dpyinfo->font_table[i].name) | |
8832 | { | |
8833 | struct font_info *fontp = dpyinfo->font_table + i; | |
8834 | int w, h; | |
8835 | ||
8836 | font = (XFontStruct *) fontp->font; | |
8837 | xassert (font != (XFontStruct *) ~0); | |
8838 | x_font_min_bounds (font, &w, &h); | |
8839 | ||
8840 | dpyinfo->smallest_font_height = min (dpyinfo->smallest_font_height, h); | |
8841 | dpyinfo->smallest_char_width = min (dpyinfo->smallest_char_width, w); | |
8842 | } | |
8843 | ||
8844 | xassert (dpyinfo->smallest_char_width > 0 | |
8845 | && dpyinfo->smallest_font_height > 0); | |
8846 | ||
8847 | return (dpyinfo->n_fonts == 1 | |
8848 | || dpyinfo->smallest_char_width < old_width | |
8849 | || dpyinfo->smallest_font_height < old_height); | |
8850 | } | |
8851 | ||
cabb23bc | 8852 | \f |
689004fa GV |
8853 | /* Calculate the absolute position in frame F |
8854 | from its current recorded position values and gravity. */ | |
8855 | ||
9ef2e2cf | 8856 | void |
ee78dc32 GV |
8857 | x_calc_absolute_position (f) |
8858 | struct frame *f; | |
8859 | { | |
791f420f | 8860 | Window child; |
ee78dc32 | 8861 | POINT pt; |
fbd6baed | 8862 | int flags = f->output_data.w32->size_hint_flags; |
ee78dc32 GV |
8863 | |
8864 | pt.x = pt.y = 0; | |
8865 | ||
8866 | /* Find the position of the outside upper-left corner of | |
8867 | the inner window, with respect to the outer window. */ | |
fbd6baed | 8868 | if (f->output_data.w32->parent_desc != FRAME_W32_DISPLAY_INFO (f)->root_window) |
ee78dc32 GV |
8869 | { |
8870 | BLOCK_INPUT; | |
fbd6baed GV |
8871 | MapWindowPoints (FRAME_W32_WINDOW (f), |
8872 | f->output_data.w32->parent_desc, | |
ee78dc32 GV |
8873 | &pt, 1); |
8874 | UNBLOCK_INPUT; | |
8875 | } | |
8876 | ||
8877 | { | |
8878 | RECT rt; | |
8879 | rt.left = rt.right = rt.top = rt.bottom = 0; | |
8880 | ||
8881 | BLOCK_INPUT; | |
fbd6baed | 8882 | AdjustWindowRect(&rt, f->output_data.w32->dwStyle, |
97c23857 | 8883 | FRAME_EXTERNAL_MENU_BAR (f)); |
ee78dc32 GV |
8884 | UNBLOCK_INPUT; |
8885 | ||
8886 | pt.x += (rt.right - rt.left); | |
8887 | pt.y += (rt.bottom - rt.top); | |
8888 | } | |
8889 | ||
8890 | /* Treat negative positions as relative to the leftmost bottommost | |
8891 | position that fits on the screen. */ | |
8892 | if (flags & XNegative) | |
fbd6baed GV |
8893 | f->output_data.w32->left_pos = (FRAME_W32_DISPLAY_INFO (f)->width |
8894 | - 2 * f->output_data.w32->border_width - pt.x | |
ee78dc32 | 8895 | - PIXEL_WIDTH (f) |
fbd6baed | 8896 | + f->output_data.w32->left_pos); |
791f420f | 8897 | /* NTEMACS_TODO: Subtract menubar height? */ |
ee78dc32 | 8898 | if (flags & YNegative) |
fbd6baed GV |
8899 | f->output_data.w32->top_pos = (FRAME_W32_DISPLAY_INFO (f)->height |
8900 | - 2 * f->output_data.w32->border_width - pt.y | |
ee78dc32 | 8901 | - PIXEL_HEIGHT (f) |
fbd6baed | 8902 | + f->output_data.w32->top_pos); |
ee78dc32 GV |
8903 | /* The left_pos and top_pos |
8904 | are now relative to the top and left screen edges, | |
8905 | so the flags should correspond. */ | |
fbd6baed | 8906 | f->output_data.w32->size_hint_flags &= ~ (XNegative | YNegative); |
ee78dc32 GV |
8907 | } |
8908 | ||
8909 | /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position, | |
8910 | to really change the position, and 0 when calling from | |
8911 | x_make_frame_visible (in that case, XOFF and YOFF are the current | |
8912 | position values). It is -1 when calling from x_set_frame_parameters, | |
8913 | which means, do adjust for borders but don't change the gravity. */ | |
8914 | ||
9ef2e2cf | 8915 | void |
ee78dc32 GV |
8916 | x_set_offset (f, xoff, yoff, change_gravity) |
8917 | struct frame *f; | |
8918 | register int xoff, yoff; | |
8919 | int change_gravity; | |
8920 | { | |
8921 | int modified_top, modified_left; | |
8922 | ||
8923 | if (change_gravity > 0) | |
8924 | { | |
fbd6baed GV |
8925 | f->output_data.w32->top_pos = yoff; |
8926 | f->output_data.w32->left_pos = xoff; | |
8927 | f->output_data.w32->size_hint_flags &= ~ (XNegative | YNegative); | |
ee78dc32 | 8928 | if (xoff < 0) |
fbd6baed | 8929 | f->output_data.w32->size_hint_flags |= XNegative; |
ee78dc32 | 8930 | if (yoff < 0) |
fbd6baed GV |
8931 | f->output_data.w32->size_hint_flags |= YNegative; |
8932 | f->output_data.w32->win_gravity = NorthWestGravity; | |
ee78dc32 GV |
8933 | } |
8934 | x_calc_absolute_position (f); | |
8935 | ||
8936 | BLOCK_INPUT; | |
8937 | x_wm_set_size_hint (f, (long) 0, 0); | |
8938 | ||
8939 | /* It is a mystery why we need to add the border_width here | |
8940 | when the frame is already visible, but experiment says we do. */ | |
fbd6baed GV |
8941 | modified_left = f->output_data.w32->left_pos; |
8942 | modified_top = f->output_data.w32->top_pos; | |
689004fa GV |
8943 | #ifndef HAVE_NTGUI |
8944 | /* Do not add in border widths under W32. */ | |
ee78dc32 GV |
8945 | if (change_gravity != 0) |
8946 | { | |
fbd6baed GV |
8947 | modified_left += f->output_data.w32->border_width; |
8948 | modified_top += f->output_data.w32->border_width; | |
ee78dc32 | 8949 | } |
689004fa | 8950 | #endif |
ee78dc32 | 8951 | |
fbd6baed | 8952 | my_set_window_pos (FRAME_W32_WINDOW (f), |
52cf03a1 GV |
8953 | NULL, |
8954 | modified_left, modified_top, | |
cabb23bc | 8955 | 0, 0, |
689004fa | 8956 | SWP_NOZORDER | SWP_NOSIZE | SWP_NOACTIVATE); |
ee78dc32 GV |
8957 | UNBLOCK_INPUT; |
8958 | } | |
8959 | ||
8960 | /* Call this to change the size of frame F's x-window. | |
8961 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity | |
8962 | for this size change and subsequent size changes. | |
8963 | Otherwise we leave the window gravity unchanged. */ | |
791f420f | 8964 | void |
ee78dc32 GV |
8965 | x_set_window_size (f, change_gravity, cols, rows) |
8966 | struct frame *f; | |
8967 | int change_gravity; | |
8968 | int cols, rows; | |
8969 | { | |
8970 | int pixelwidth, pixelheight; | |
8971 | ||
8972 | BLOCK_INPUT; | |
8973 | ||
8974 | check_frame_size (f, &rows, &cols); | |
fbd6baed | 8975 | f->output_data.w32->vertical_scroll_bar_extra |
ee78dc32 GV |
8976 | = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f) |
8977 | ? 0 | |
fbd6baed | 8978 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.w32->font))); |
791f420f JR |
8979 | f->output_data.w32->flags_areas_extra |
8980 | = FRAME_FLAGS_AREA_WIDTH (f); | |
ee78dc32 GV |
8981 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); |
8982 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
8983 | ||
fbd6baed | 8984 | f->output_data.w32->win_gravity = NorthWestGravity; |
ee78dc32 GV |
8985 | x_wm_set_size_hint (f, (long) 0, 0); |
8986 | ||
8987 | { | |
8988 | RECT rect; | |
8989 | ||
8990 | rect.left = rect.top = 0; | |
8991 | rect.right = pixelwidth; | |
8992 | rect.bottom = pixelheight; | |
8993 | ||
fbd6baed | 8994 | AdjustWindowRect(&rect, f->output_data.w32->dwStyle, |
97c23857 | 8995 | FRAME_EXTERNAL_MENU_BAR (f)); |
ee78dc32 | 8996 | |
fbd6baed | 8997 | my_set_window_pos (FRAME_W32_WINDOW (f), |
52cf03a1 GV |
8998 | NULL, |
8999 | 0, 0, | |
689004fa GV |
9000 | rect.right - rect.left, |
9001 | rect.bottom - rect.top, | |
9002 | SWP_NOZORDER | SWP_NOMOVE | SWP_NOACTIVATE); | |
ee78dc32 GV |
9003 | } |
9004 | ||
9005 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
9006 | but the window manager will get around to dealing with the size | |
9007 | change request eventually, and we'll hear how it went when the | |
9008 | ConfigureNotify event gets here. | |
9009 | ||
9010 | We could just not bother storing any of this information here, | |
9011 | and let the ConfigureNotify event set everything up, but that | |
9012 | might be kind of confusing to the lisp code, since size changes | |
9013 | wouldn't be reported in the frame parameters until some random | |
791f420f JR |
9014 | point in the future when the ConfigureNotify event arrives. |
9015 | ||
9016 | We pass 1 for DELAY since we can't run Lisp code inside of | |
9017 | a BLOCK_INPUT. */ | |
9018 | change_frame_size (f, rows, cols, 0, 1, 0); | |
ee78dc32 GV |
9019 | PIXEL_WIDTH (f) = pixelwidth; |
9020 | PIXEL_HEIGHT (f) = pixelheight; | |
9021 | ||
689004fa GV |
9022 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
9023 | receive in the ConfigureNotify event; if we get what we asked | |
9024 | for, then the event won't cause the screen to become garbaged, so | |
9025 | we have to make sure to do it here. */ | |
9026 | SET_FRAME_GARBAGED (f); | |
9027 | ||
ee78dc32 | 9028 | /* If cursor was outside the new size, mark it as off. */ |
791f420f | 9029 | mark_window_cursors_off (XWINDOW (f->root_window)); |
ee78dc32 | 9030 | |
689004fa GV |
9031 | /* Clear out any recollection of where the mouse highlighting was, |
9032 | since it might be in a place that's outside the new frame size. | |
9033 | Actually checking whether it is outside is a pain in the neck, | |
9034 | so don't try--just let the highlighting be done afresh with new size. */ | |
31d4844a KH |
9035 | cancel_mouse_face (f); |
9036 | ||
ee78dc32 GV |
9037 | UNBLOCK_INPUT; |
9038 | } | |
9039 | \f | |
9040 | /* Mouse warping. */ | |
9041 | ||
1bcd16f2 MB |
9042 | void |
9043 | x_set_mouse_pixel_position (f, pix_x, pix_y) | |
9044 | struct frame *f; | |
9045 | int pix_x, pix_y; | |
9046 | { | |
689004fa GV |
9047 | RECT rect; |
9048 | POINT pt; | |
9049 | ||
1bcd16f2 MB |
9050 | BLOCK_INPUT; |
9051 | ||
689004fa GV |
9052 | GetClientRect (FRAME_W32_WINDOW (f), &rect); |
9053 | pt.x = rect.left + pix_x; | |
9054 | pt.y = rect.top + pix_y; | |
9055 | ClientToScreen (FRAME_W32_WINDOW (f), &pt); | |
1bcd16f2 | 9056 | |
689004fa | 9057 | SetCursorPos (pt.x, pt.y); |
1bcd16f2 MB |
9058 | |
9059 | UNBLOCK_INPUT; | |
9060 | } | |
9061 | ||
ee78dc32 GV |
9062 | void |
9063 | x_set_mouse_position (f, x, y) | |
9064 | struct frame *f; | |
9065 | int x, y; | |
9066 | { | |
9067 | int pix_x, pix_y; | |
9068 | ||
fbd6baed GV |
9069 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->output_data.w32->font) / 2; |
9070 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + f->output_data.w32->line_height / 2; | |
ee78dc32 GV |
9071 | |
9072 | if (pix_x < 0) pix_x = 0; | |
9073 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
9074 | ||
9075 | if (pix_y < 0) pix_y = 0; | |
9076 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
9077 | ||
1bcd16f2 | 9078 | x_set_mouse_pixel_position (f, pix_x, pix_y); |
ee78dc32 GV |
9079 | } |
9080 | \f | |
9081 | /* focus shifting, raising and lowering. */ | |
9082 | ||
9083 | x_focus_on_frame (f) | |
9084 | struct frame *f; | |
9085 | { | |
689004fa GV |
9086 | struct w32_display_info *dpyinfo = &one_w32_display_info; |
9087 | ||
9088 | /* Give input focus to frame. */ | |
9089 | BLOCK_INPUT; | |
9090 | #if 0 | |
9091 | /* Try not to change its Z-order if possible. */ | |
9092 | if (x_window_to_frame (dpyinfo, GetForegroundWindow ())) | |
9093 | my_set_focus (f, FRAME_W32_WINDOW (f)); | |
9094 | else | |
9095 | #endif | |
ef0e360f | 9096 | my_set_foreground_window (FRAME_W32_WINDOW (f)); |
689004fa | 9097 | UNBLOCK_INPUT; |
ee78dc32 GV |
9098 | } |
9099 | ||
9100 | x_unfocus_frame (f) | |
9101 | struct frame *f; | |
9102 | { | |
9103 | } | |
9104 | ||
9105 | /* Raise frame F. */ | |
791f420f | 9106 | void |
ee78dc32 GV |
9107 | x_raise_frame (f) |
9108 | struct frame *f; | |
9109 | { | |
689004fa GV |
9110 | BLOCK_INPUT; |
9111 | ||
9112 | /* Strictly speaking, raise-frame should only change the frame's Z | |
9113 | order, leaving input focus unchanged. This is reasonable behaviour | |
9114 | on X where the usual policy is point-to-focus. However, this | |
9115 | behaviour would be very odd on Windows where the usual policy is | |
9116 | click-to-focus. | |
9117 | ||
9118 | On X, if the mouse happens to be over the raised frame, it gets | |
9119 | input focus anyway (so the window with focus will never be | |
9120 | completely obscured) - if not, then just moving the mouse over it | |
9121 | is sufficient to give it focus. On Windows, the user must actually | |
9122 | click on the frame (preferrably the title bar so as not to move | |
9123 | point), which is more awkward. Also, no other Windows program | |
9124 | raises a window to the top but leaves another window (possibly now | |
9125 | completely obscured) with input focus. | |
9126 | ||
9127 | Because there is a system setting on Windows that allows the user | |
9128 | to choose the point to focus policy, we make the strict semantics | |
9129 | optional, but by default we grab focus when raising. */ | |
9130 | ||
9131 | if (NILP (Vw32_grab_focus_on_raise)) | |
ee78dc32 | 9132 | { |
689004fa GV |
9133 | /* The obvious call to my_set_window_pos doesn't work if Emacs is |
9134 | not already the foreground application: the frame is raised | |
9135 | above all other frames belonging to us, but not above the | |
9136 | current top window. To achieve that, we have to resort to this | |
9137 | more cumbersome method. */ | |
9138 | ||
9139 | HDWP handle = BeginDeferWindowPos (2); | |
9140 | if (handle) | |
9141 | { | |
9142 | DeferWindowPos (handle, | |
9143 | FRAME_W32_WINDOW (f), | |
9144 | HWND_TOP, | |
9145 | 0, 0, 0, 0, | |
9146 | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE); | |
9147 | ||
9148 | DeferWindowPos (handle, | |
9149 | GetForegroundWindow (), | |
9150 | FRAME_W32_WINDOW (f), | |
9151 | 0, 0, 0, 0, | |
9152 | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE); | |
9153 | ||
9154 | EndDeferWindowPos (handle); | |
9155 | } | |
ee78dc32 | 9156 | } |
689004fa GV |
9157 | else |
9158 | { | |
ef0e360f | 9159 | my_set_foreground_window (FRAME_W32_WINDOW (f)); |
689004fa GV |
9160 | } |
9161 | ||
9162 | UNBLOCK_INPUT; | |
ee78dc32 GV |
9163 | } |
9164 | ||
9165 | /* Lower frame F. */ | |
791f420f | 9166 | void |
ee78dc32 GV |
9167 | x_lower_frame (f) |
9168 | struct frame *f; | |
9169 | { | |
689004fa GV |
9170 | BLOCK_INPUT; |
9171 | my_set_window_pos (FRAME_W32_WINDOW (f), | |
9172 | HWND_BOTTOM, | |
9173 | 0, 0, 0, 0, | |
9174 | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE); | |
9175 | UNBLOCK_INPUT; | |
ee78dc32 GV |
9176 | } |
9177 | ||
9178 | static void | |
fbd6baed | 9179 | w32_frame_raise_lower (f, raise) |
ee78dc32 GV |
9180 | FRAME_PTR f; |
9181 | int raise; | |
9182 | { | |
9183 | if (raise) | |
9184 | x_raise_frame (f); | |
9185 | else | |
9186 | x_lower_frame (f); | |
9187 | } | |
9188 | \f | |
9189 | /* Change of visibility. */ | |
9190 | ||
9191 | /* This tries to wait until the frame is really visible. | |
9192 | However, if the window manager asks the user where to position | |
9193 | the frame, this will return before the user finishes doing that. | |
9194 | The frame will not actually be visible at that time, | |
9195 | but it will become visible later when the window manager | |
9196 | finishes with it. */ | |
9197 | ||
9198 | x_make_frame_visible (f) | |
9199 | struct frame *f; | |
9200 | { | |
7f5d1df8 GV |
9201 | Lisp_Object type; |
9202 | ||
ee78dc32 GV |
9203 | BLOCK_INPUT; |
9204 | ||
7f5d1df8 GV |
9205 | type = x_icon_type (f); |
9206 | if (!NILP (type)) | |
9207 | x_bitmap_icon (f, type); | |
9208 | ||
ee78dc32 GV |
9209 | if (! FRAME_VISIBLE_P (f)) |
9210 | { | |
9211 | /* We test FRAME_GARBAGED_P here to make sure we don't | |
9212 | call x_set_offset a second time | |
9213 | if we get to x_make_frame_visible a second time | |
9214 | before the window gets really visible. */ | |
9215 | if (! FRAME_ICONIFIED_P (f) | |
fbd6baed | 9216 | && ! f->output_data.w32->asked_for_visible) |
fbd6baed | 9217 | x_set_offset (f, f->output_data.w32->left_pos, f->output_data.w32->top_pos, 0); |
ee78dc32 | 9218 | |
fbd6baed | 9219 | f->output_data.w32->asked_for_visible = 1; |
52cf03a1 | 9220 | |
689004fa GV |
9221 | // my_show_window (f, FRAME_W32_WINDOW (f), f->async_iconified ? SW_RESTORE : SW_SHOW); |
9222 | my_show_window (f, FRAME_W32_WINDOW (f), SW_SHOWNORMAL); | |
ee78dc32 GV |
9223 | } |
9224 | ||
9225 | /* Synchronize to ensure Emacs knows the frame is visible | |
9226 | before we do anything else. We do this loop with input not blocked | |
9227 | so that incoming events are handled. */ | |
9228 | { | |
9229 | Lisp_Object frame; | |
791f420f | 9230 | int count; |
ee78dc32 GV |
9231 | |
9232 | /* This must come after we set COUNT. */ | |
9233 | UNBLOCK_INPUT; | |
9234 | ||
9235 | XSETFRAME (frame, f); | |
9236 | ||
791f420f JR |
9237 | /* Wait until the frame is visible. Process X events until a |
9238 | MapNotify event has been seen, or until we think we won't get a | |
9239 | MapNotify at all.. */ | |
9240 | for (count = input_signal_count + 10; | |
9241 | input_signal_count < count && !FRAME_VISIBLE_P (f);) | |
ee78dc32 | 9242 | { |
791f420f JR |
9243 | /* Force processing of queued events. */ |
9244 | /* NTEMACS_TODO: x_sync equivalent? */ | |
9245 | ||
ee78dc32 GV |
9246 | /* Machines that do polling rather than SIGIO have been observed |
9247 | to go into a busy-wait here. So we'll fake an alarm signal | |
9248 | to let the handler know that there's something to be read. | |
9249 | We used to raise a real alarm, but it seems that the handler | |
9250 | isn't always enabled here. This is probably a bug. */ | |
9251 | if (input_polling_used ()) | |
9252 | { | |
9253 | /* It could be confusing if a real alarm arrives while processing | |
9254 | the fake one. Turn it off and let the handler reset it. */ | |
a9b4e0ec AI |
9255 | int old_poll_suppress_count = poll_suppress_count; |
9256 | poll_suppress_count = 1; | |
9257 | poll_for_input_1 (); | |
9258 | poll_suppress_count = old_poll_suppress_count; | |
ee78dc32 | 9259 | } |
ee78dc32 GV |
9260 | } |
9261 | FRAME_SAMPLE_VISIBILITY (f); | |
9262 | } | |
9263 | } | |
9264 | ||
9265 | /* Change from mapped state to withdrawn state. */ | |
9266 | ||
9267 | /* Make the frame visible (mapped and not iconified). */ | |
9268 | ||
9269 | x_make_frame_invisible (f) | |
9270 | struct frame *f; | |
9271 | { | |
ee78dc32 | 9272 | /* Don't keep the highlight on an invisible frame. */ |
fbd6baed GV |
9273 | if (FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame == f) |
9274 | FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame = 0; | |
ee78dc32 GV |
9275 | |
9276 | BLOCK_INPUT; | |
9277 | ||
689004fa | 9278 | my_show_window (f, FRAME_W32_WINDOW (f), SW_HIDE); |
ee78dc32 GV |
9279 | |
9280 | /* We can't distinguish this from iconification | |
9281 | just by the event that we get from the server. | |
9282 | So we can't win using the usual strategy of letting | |
9283 | FRAME_SAMPLE_VISIBILITY set this. So do it by hand, | |
9284 | and synchronize with the server to make sure we agree. */ | |
9285 | f->visible = 0; | |
9286 | FRAME_ICONIFIED_P (f) = 0; | |
9287 | f->async_visible = 0; | |
9288 | f->async_iconified = 0; | |
9289 | ||
9290 | UNBLOCK_INPUT; | |
9291 | } | |
9292 | ||
9293 | /* Change window state from mapped to iconified. */ | |
9294 | ||
52cf03a1 GV |
9295 | void |
9296 | x_iconify_frame (f) | |
ee78dc32 GV |
9297 | struct frame *f; |
9298 | { | |
9299 | int result; | |
7f5d1df8 | 9300 | Lisp_Object type; |
ee78dc32 GV |
9301 | |
9302 | /* Don't keep the highlight on an invisible frame. */ | |
fbd6baed GV |
9303 | if (FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame == f) |
9304 | FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame = 0; | |
ee78dc32 GV |
9305 | |
9306 | if (f->async_iconified) | |
9307 | return; | |
9308 | ||
9309 | BLOCK_INPUT; | |
9310 | ||
7f5d1df8 GV |
9311 | type = x_icon_type (f); |
9312 | if (!NILP (type)) | |
9313 | x_bitmap_icon (f, type); | |
9314 | ||
689004fa | 9315 | /* Simulate the user minimizing the frame. */ |
4934bcdd | 9316 | SendMessage (FRAME_W32_WINDOW (f), WM_SYSCOMMAND, SC_MINIMIZE, 0); |
ee78dc32 GV |
9317 | |
9318 | UNBLOCK_INPUT; | |
9319 | } | |
9320 | \f | |
9321 | /* Destroy the window of frame F. */ | |
9322 | ||
9323 | x_destroy_window (f) | |
9324 | struct frame *f; | |
9325 | { | |
fbd6baed | 9326 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); |
ee78dc32 GV |
9327 | |
9328 | BLOCK_INPUT; | |
9329 | ||
fbd6baed | 9330 | my_destroy_window (f, FRAME_W32_WINDOW (f)); |
ee78dc32 GV |
9331 | free_frame_menubar (f); |
9332 | free_frame_faces (f); | |
9333 | ||
fbd6baed GV |
9334 | xfree (f->output_data.w32); |
9335 | f->output_data.w32 = 0; | |
9336 | if (f == dpyinfo->w32_focus_frame) | |
9337 | dpyinfo->w32_focus_frame = 0; | |
9338 | if (f == dpyinfo->w32_focus_event_frame) | |
9339 | dpyinfo->w32_focus_event_frame = 0; | |
9340 | if (f == dpyinfo->w32_highlight_frame) | |
9341 | dpyinfo->w32_highlight_frame = 0; | |
ee78dc32 GV |
9342 | |
9343 | dpyinfo->reference_count--; | |
9344 | ||
9345 | if (f == dpyinfo->mouse_face_mouse_frame) | |
9346 | { | |
9347 | dpyinfo->mouse_face_beg_row | |
9348 | = dpyinfo->mouse_face_beg_col = -1; | |
9349 | dpyinfo->mouse_face_end_row | |
9350 | = dpyinfo->mouse_face_end_col = -1; | |
9351 | dpyinfo->mouse_face_window = Qnil; | |
9352 | } | |
9353 | ||
9354 | UNBLOCK_INPUT; | |
9355 | } | |
9356 | \f | |
9357 | /* Setting window manager hints. */ | |
9358 | ||
9359 | /* Set the normal size hints for the window manager, for frame F. | |
9360 | FLAGS is the flags word to use--or 0 meaning preserve the flags | |
9361 | that the window now has. | |
9362 | If USER_POSITION is nonzero, we set the USPosition | |
9363 | flag (this is useful when FLAGS is 0). */ | |
791f420f | 9364 | void |
ee78dc32 GV |
9365 | x_wm_set_size_hint (f, flags, user_position) |
9366 | struct frame *f; | |
9367 | long flags; | |
9368 | int user_position; | |
9369 | { | |
fbd6baed | 9370 | Window window = FRAME_W32_WINDOW (f); |
ee78dc32 | 9371 | |
97c23857 | 9372 | enter_crit (); |
ee78dc32 | 9373 | |
689004fa GV |
9374 | SetWindowLong (window, WND_FONTWIDTH_INDEX, FONT_WIDTH (f->output_data.w32->font)); |
9375 | SetWindowLong (window, WND_LINEHEIGHT_INDEX, f->output_data.w32->line_height); | |
9376 | SetWindowLong (window, WND_BORDER_INDEX, f->output_data.w32->internal_border_width); | |
9377 | SetWindowLong (window, WND_SCROLLBAR_INDEX, f->output_data.w32->vertical_scroll_bar_extra); | |
ee78dc32 | 9378 | |
97c23857 | 9379 | leave_crit (); |
ee78dc32 GV |
9380 | } |
9381 | ||
9382 | /* Window manager things */ | |
9383 | x_wm_set_icon_position (f, icon_x, icon_y) | |
9384 | struct frame *f; | |
9385 | int icon_x, icon_y; | |
9386 | { | |
9387 | #if 0 | |
fbd6baed | 9388 | Window window = FRAME_W32_WINDOW (f); |
ee78dc32 GV |
9389 | |
9390 | f->display.x->wm_hints.flags |= IconPositionHint; | |
9391 | f->display.x->wm_hints.icon_x = icon_x; | |
9392 | f->display.x->wm_hints.icon_y = icon_y; | |
9393 | ||
9394 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->display.x->wm_hints); | |
9395 | #endif | |
9396 | } | |
9397 | ||
9ef2e2cf | 9398 | |
ee78dc32 | 9399 | \f |
791f420f JR |
9400 | /*********************************************************************** |
9401 | Initialization | |
9402 | ***********************************************************************/ | |
ee78dc32 | 9403 | |
fbd6baed | 9404 | static int w32_initialized = 0; |
ee78dc32 | 9405 | |
f7737f5d JR |
9406 | void |
9407 | w32_initialize_display_info (display_name) | |
9408 | Lisp_Object display_name; | |
9409 | { | |
9410 | struct w32_display_info *dpyinfo = &one_w32_display_info; | |
9411 | ||
9412 | bzero (dpyinfo, sizeof (*dpyinfo)); | |
9413 | ||
9414 | /* Put it on w32_display_name_list. */ | |
9415 | w32_display_name_list = Fcons (Fcons (display_name, Qnil), | |
9416 | w32_display_name_list); | |
9417 | dpyinfo->name_list_element = XCAR (w32_display_name_list); | |
9418 | ||
9419 | dpyinfo->w32_id_name | |
9420 | = (char *) xmalloc (XSTRING (Vinvocation_name)->size | |
9421 | + XSTRING (Vsystem_name)->size | |
9422 | + 2); | |
9423 | sprintf (dpyinfo->w32_id_name, "%s@%s", | |
9424 | XSTRING (Vinvocation_name)->data, XSTRING (Vsystem_name)->data); | |
9425 | ||
9426 | /* Default Console mode values - overridden when running in GUI mode | |
9427 | with values obtained from system metrics. */ | |
9428 | dpyinfo->resx = 1; | |
9429 | dpyinfo->resy = 1; | |
9430 | dpyinfo->height_in = 1; | |
9431 | dpyinfo->width_in = 1; | |
9432 | dpyinfo->n_planes = 1; | |
9433 | dpyinfo->n_cbits = 4; | |
9434 | dpyinfo->n_fonts = 0; | |
9435 | dpyinfo->smallest_font_height = 1; | |
9436 | dpyinfo->smallest_char_width = 1; | |
9437 | ||
9438 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
9439 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
9440 | dpyinfo->mouse_face_face_id = DEFAULT_FACE_ID; | |
9441 | dpyinfo->mouse_face_window = Qnil; | |
9442 | ||
9443 | /* NTEMACS_TODO: dpyinfo->gray */ | |
9444 | ||
9445 | } | |
9446 | ||
fbd6baed GV |
9447 | struct w32_display_info * |
9448 | w32_term_init (display_name, xrm_option, resource_name) | |
ee78dc32 GV |
9449 | Lisp_Object display_name; |
9450 | char *xrm_option; | |
9451 | char *resource_name; | |
9452 | { | |
fbd6baed | 9453 | struct w32_display_info *dpyinfo; |
ee78dc32 | 9454 | HDC hdc; |
97c23857 | 9455 | |
ee78dc32 GV |
9456 | BLOCK_INPUT; |
9457 | ||
fbd6baed | 9458 | if (!w32_initialized) |
ee78dc32 | 9459 | { |
fbd6baed GV |
9460 | w32_initialize (); |
9461 | w32_initialized = 1; | |
ee78dc32 GV |
9462 | } |
9463 | ||
9464 | { | |
9465 | int argc = 0; | |
9466 | char *argv[3]; | |
9467 | ||
9468 | argv[0] = ""; | |
9469 | argc = 1; | |
9470 | if (xrm_option) | |
9471 | { | |
9472 | argv[argc++] = "-xrm"; | |
9473 | argv[argc++] = xrm_option; | |
9474 | } | |
9475 | } | |
9476 | ||
f7737f5d | 9477 | w32_initialize_display_info (display_name); |
ee78dc32 | 9478 | |
f7737f5d | 9479 | dpyinfo = &one_w32_display_info; |
ee78dc32 | 9480 | |
52cf03a1 | 9481 | hdc = GetDC (GetDesktopWindow ()); |
791f420f | 9482 | |
ee78dc32 GV |
9483 | dpyinfo->height = GetDeviceCaps (hdc, VERTRES); |
9484 | dpyinfo->width = GetDeviceCaps (hdc, HORZRES); | |
9485 | dpyinfo->root_window = GetDesktopWindow (); | |
9486 | dpyinfo->n_planes = GetDeviceCaps (hdc, PLANES); | |
9487 | dpyinfo->n_cbits = GetDeviceCaps (hdc, BITSPIXEL); | |
55689ab1 JR |
9488 | dpyinfo->resx = GetDeviceCaps (hdc, LOGPIXELSX); |
9489 | dpyinfo->resy = GetDeviceCaps (hdc, LOGPIXELSY); | |
52cf03a1 | 9490 | dpyinfo->has_palette = GetDeviceCaps (hdc, RASTERCAPS) & RC_PALETTE; |
791f420f | 9491 | dpyinfo->image_cache = make_image_cache (); |
55689ab1 JR |
9492 | dpyinfo->height_in = dpyinfo->height / dpyinfo->resx; |
9493 | dpyinfo->width_in = dpyinfo->width / dpyinfo->resy; | |
ee78dc32 | 9494 | ReleaseDC (GetDesktopWindow (), hdc); |
52cf03a1 GV |
9495 | |
9496 | /* initialise palette with white and black */ | |
9497 | { | |
9498 | COLORREF color; | |
55689ab1 JR |
9499 | w32_defined_color (0, "white", &color, 1); |
9500 | w32_defined_color (0, "black", &color, 1); | |
52cf03a1 GV |
9501 | } |
9502 | ||
f7737f5d JR |
9503 | /* Create Row Bitmaps and store them for later use. */ |
9504 | left_bmp = CreateBitmap (left_width, left_height, 1, 1, left_bits); | |
9505 | ov_bmp = CreateBitmap (ov_width, ov_height, 1, 1, ov_bits); | |
9506 | right_bmp = CreateBitmap (right_width, right_height, 1, 1, right_bits); | |
9507 | continued_bmp = CreateBitmap (continued_width, continued_height, 1, | |
9508 | 1, continued_bits); | |
9509 | continuation_bmp = CreateBitmap (continuation_width, continuation_height, | |
9510 | 1, 1, continuation_bits); | |
9511 | zv_bmp = CreateBitmap (zv_width, zv_height, 1, 1, zv_bits); | |
9512 | ||
ee78dc32 GV |
9513 | #ifndef F_SETOWN_BUG |
9514 | #ifdef F_SETOWN | |
9515 | #ifdef F_SETOWN_SOCK_NEG | |
9516 | /* stdin is a socket here */ | |
9517 | fcntl (connection, F_SETOWN, -getpid ()); | |
9518 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ | |
9519 | fcntl (connection, F_SETOWN, getpid ()); | |
9520 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ | |
9521 | #endif /* ! defined (F_SETOWN) */ | |
9522 | #endif /* F_SETOWN_BUG */ | |
9523 | ||
9524 | #ifdef SIGIO | |
9525 | if (interrupt_input) | |
9526 | init_sigio (connection); | |
9527 | #endif /* ! defined (SIGIO) */ | |
9528 | ||
9529 | UNBLOCK_INPUT; | |
9530 | ||
9531 | return dpyinfo; | |
9532 | } | |
9533 | \f | |
9534 | /* Get rid of display DPYINFO, assuming all frames are already gone. */ | |
9535 | ||
9536 | void | |
9537 | x_delete_display (dpyinfo) | |
fbd6baed | 9538 | struct w32_display_info *dpyinfo; |
ee78dc32 | 9539 | { |
fbd6baed | 9540 | /* Discard this display from w32_display_name_list and w32_display_list. |
ee78dc32 | 9541 | We can't use Fdelq because that can quit. */ |
fbd6baed | 9542 | if (! NILP (w32_display_name_list) |
8e713be6 KR |
9543 | && EQ (XCAR (w32_display_name_list), dpyinfo->name_list_element)) |
9544 | w32_display_name_list = XCDR (w32_display_name_list); | |
ee78dc32 GV |
9545 | else |
9546 | { | |
9547 | Lisp_Object tail; | |
9548 | ||
fbd6baed | 9549 | tail = w32_display_name_list; |
8e713be6 | 9550 | while (CONSP (tail) && CONSP (XCDR (tail))) |
ee78dc32 | 9551 | { |
f7737f5d | 9552 | if (EQ (XCAR (XCDR (tail)), dpyinfo->name_list_element)) |
ee78dc32 | 9553 | { |
8e713be6 | 9554 | XCDR (tail) = XCDR (XCDR (tail)); |
ee78dc32 GV |
9555 | break; |
9556 | } | |
8e713be6 | 9557 | tail = XCDR (tail); |
ee78dc32 GV |
9558 | } |
9559 | } | |
9560 | ||
52cf03a1 GV |
9561 | /* free palette table */ |
9562 | { | |
fbd6baed | 9563 | struct w32_palette_entry * plist; |
52cf03a1 GV |
9564 | |
9565 | plist = dpyinfo->color_list; | |
9566 | while (plist) | |
9567 | { | |
fbd6baed | 9568 | struct w32_palette_entry * pentry = plist; |
52cf03a1 GV |
9569 | plist = plist->next; |
9570 | xfree(pentry); | |
9571 | } | |
9572 | dpyinfo->color_list = NULL; | |
9573 | if (dpyinfo->palette) | |
9574 | DeleteObject(dpyinfo->palette); | |
9575 | } | |
ee78dc32 | 9576 | xfree (dpyinfo->font_table); |
fbd6baed | 9577 | xfree (dpyinfo->w32_id_name); |
f7737f5d JR |
9578 | |
9579 | /* Destroy row bitmaps. */ | |
9580 | DeleteObject (left_bmp); | |
9581 | DeleteObject (ov_bmp); | |
9582 | DeleteObject (right_bmp); | |
9583 | DeleteObject (continued_bmp); | |
9584 | DeleteObject (continuation_bmp); | |
9585 | DeleteObject (zv_bmp); | |
ee78dc32 GV |
9586 | } |
9587 | \f | |
fbd6baed | 9588 | /* Set up use of W32. */ |
ee78dc32 | 9589 | |
689004fa | 9590 | DWORD w32_msg_worker (); |
ee78dc32 | 9591 | |
791f420f JR |
9592 | void |
9593 | x_flush (struct frame * f) | |
9594 | { /* Nothing to do */ } | |
9595 | ||
9596 | static struct redisplay_interface w32_redisplay_interface = | |
9597 | { | |
9598 | x_produce_glyphs, | |
9599 | x_write_glyphs, | |
9600 | x_insert_glyphs, | |
9601 | x_clear_end_of_line, | |
9602 | x_scroll_run, | |
9603 | x_after_update_window_line, | |
9604 | x_update_window_begin, | |
9605 | x_update_window_end, | |
9606 | w32_cursor_to, | |
9607 | x_flush, | |
9608 | x_get_glyph_overhangs, | |
9609 | x_fix_overlapping_area | |
9610 | }; | |
9611 | ||
9612 | void | |
fbd6baed GV |
9613 | w32_initialize () |
9614 | { | |
791f420f JR |
9615 | rif = &w32_redisplay_interface; |
9616 | ||
96214669 GV |
9617 | /* MSVC does not type K&R functions with no arguments correctly, and |
9618 | so we must explicitly cast them. */ | |
791f420f JR |
9619 | clear_frame_hook = (void (*)(void)) x_clear_frame; |
9620 | ins_del_lines_hook = x_ins_del_lines; | |
9621 | change_line_highlight_hook = x_change_line_highlight; | |
9622 | delete_glyphs_hook = x_delete_glyphs; | |
96214669 GV |
9623 | ring_bell_hook = (void (*)(void)) w32_ring_bell; |
9624 | reset_terminal_modes_hook = (void (*)(void)) w32_reset_terminal_modes; | |
9625 | set_terminal_modes_hook = (void (*)(void)) w32_set_terminal_modes; | |
791f420f JR |
9626 | update_begin_hook = x_update_begin; |
9627 | update_end_hook = x_update_end; | |
fbd6baed | 9628 | set_terminal_window_hook = w32_set_terminal_window; |
ee78dc32 | 9629 | read_socket_hook = w32_read_socket; |
fbd6baed | 9630 | frame_up_to_date_hook = w32_frame_up_to_date; |
fbd6baed GV |
9631 | reassert_line_highlight_hook = w32_reassert_line_highlight; |
9632 | mouse_position_hook = w32_mouse_position; | |
9633 | frame_rehighlight_hook = w32_frame_rehighlight; | |
9634 | frame_raise_lower_hook = w32_frame_raise_lower; | |
9635 | set_vertical_scroll_bar_hook = w32_set_vertical_scroll_bar; | |
9636 | condemn_scroll_bars_hook = w32_condemn_scroll_bars; | |
9637 | redeem_scroll_bar_hook = w32_redeem_scroll_bar; | |
9638 | judge_scroll_bars_hook = w32_judge_scroll_bars; | |
791f420f | 9639 | estimate_mode_line_height_hook = x_estimate_mode_line_height; |
ee78dc32 GV |
9640 | |
9641 | scroll_region_ok = 1; /* we'll scroll partial frames */ | |
9642 | char_ins_del_ok = 0; /* just as fast to write the line */ | |
9643 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
9644 | fast_clear_end_of_line = 1; /* X does this well */ | |
9645 | memory_below_frame = 0; /* we don't remember what scrolls | |
9646 | off the bottom */ | |
9647 | baud_rate = 19200; | |
9648 | ||
791f420f JR |
9649 | last_tool_bar_item = -1; |
9650 | any_help_event_p = 0; | |
9651 | ||
689004fa GV |
9652 | /* Initialize input mode: interrupt_input off, no flow control, allow |
9653 | 8 bit character input, standard quit char. */ | |
9654 | Fset_input_mode (Qnil, Qnil, make_number (2), Qnil); | |
ee78dc32 GV |
9655 | |
9656 | /* Create the window thread - it will terminate itself or when the app terminates */ | |
9657 | ||
9658 | init_crit (); | |
9659 | ||
9660 | dwMainThreadId = GetCurrentThreadId (); | |
9661 | DuplicateHandle (GetCurrentProcess (), GetCurrentThread (), | |
9662 | GetCurrentProcess (), &hMainThread, 0, TRUE, DUPLICATE_SAME_ACCESS); | |
9663 | ||
9664 | /* Wait for thread to start */ | |
9665 | ||
9666 | { | |
9667 | MSG msg; | |
9668 | ||
9669 | PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE); | |
9670 | ||
e9e23e23 | 9671 | hWindowsThread = CreateThread (NULL, 0, |
689004fa | 9672 | (LPTHREAD_START_ROUTINE) w32_msg_worker, |
e9e23e23 | 9673 | 0, 0, &dwWindowsThreadId); |
ee78dc32 GV |
9674 | |
9675 | GetMessage (&msg, NULL, WM_EMACS_DONE, WM_EMACS_DONE); | |
9676 | } | |
9677 | ||
52cf03a1 | 9678 | /* It is desirable that mainThread should have the same notion of |
e9e23e23 | 9679 | focus window and active window as windowsThread. Unfortunately, the |
52cf03a1 GV |
9680 | following call to AttachThreadInput, which should do precisely what |
9681 | we need, causes major problems when Emacs is linked as a console | |
9682 | program. Unfortunately, we have good reasons for doing that, so | |
e9e23e23 | 9683 | instead we need to send messages to windowsThread to make some API |
52cf03a1 GV |
9684 | calls for us (ones that affect, or depend on, the active/focus |
9685 | window state. */ | |
9686 | #ifdef ATTACH_THREADS | |
e9e23e23 | 9687 | AttachThreadInput (dwMainThreadId, dwWindowsThreadId, TRUE); |
52cf03a1 | 9688 | #endif |
689004fa GV |
9689 | |
9690 | /* Dynamically link to optional system components. */ | |
9691 | { | |
9692 | HANDLE user_lib = LoadLibrary ("user32.dll"); | |
9693 | ||
9694 | #define LOAD_PROC(fn) pfn##fn = (void *) GetProcAddress (user_lib, #fn) | |
9695 | ||
9696 | /* New proportional scroll bar functions. */ | |
9697 | LOAD_PROC( SetScrollInfo ); | |
9698 | LOAD_PROC( GetScrollInfo ); | |
9699 | ||
9700 | #undef LOAD_PROC | |
9701 | ||
9702 | FreeLibrary (user_lib); | |
9703 | ||
9704 | /* If using proportional scroll bars, ensure handle is at least 5 pixels; | |
9705 | otherwise use the fixed height. */ | |
9706 | vertical_scroll_bar_min_handle = (pfnSetScrollInfo != NULL) ? 5 : | |
9707 | GetSystemMetrics (SM_CYVTHUMB); | |
9708 | ||
9709 | /* For either kind of scroll bar, take account of the arrows; these | |
9710 | effectively form the border of the main scroll bar range. */ | |
9711 | vertical_scroll_bar_top_border = vertical_scroll_bar_bottom_border | |
9712 | = GetSystemMetrics (SM_CYVSCROLL); | |
9713 | } | |
ee78dc32 GV |
9714 | } |
9715 | ||
9716 | void | |
fbd6baed | 9717 | syms_of_w32term () |
ee78dc32 | 9718 | { |
a1b9438c GV |
9719 | Lisp_Object codepage; |
9720 | ||
fbd6baed GV |
9721 | staticpro (&w32_display_name_list); |
9722 | w32_display_name_list = Qnil; | |
ee78dc32 GV |
9723 | |
9724 | staticpro (&last_mouse_scroll_bar); | |
9725 | last_mouse_scroll_bar = Qnil; | |
9726 | ||
9727 | staticpro (&Qvendor_specific_keysyms); | |
9728 | Qvendor_specific_keysyms = intern ("vendor-specific-keysyms"); | |
52cf03a1 | 9729 | |
fbd6baed GV |
9730 | DEFVAR_INT ("w32-num-mouse-buttons", |
9731 | &Vw32_num_mouse_buttons, | |
52cf03a1 | 9732 | "Number of physical mouse buttons."); |
fbd6baed | 9733 | Vw32_num_mouse_buttons = Qnil; |
52cf03a1 | 9734 | |
fbd6baed GV |
9735 | DEFVAR_LISP ("w32-swap-mouse-buttons", |
9736 | &Vw32_swap_mouse_buttons, | |
52cf03a1 GV |
9737 | "Swap the mapping of middle and right mouse buttons.\n\ |
9738 | When nil, middle button is mouse-2 and right button is mouse-3."); | |
fbd6baed | 9739 | Vw32_swap_mouse_buttons = Qnil; |
689004fa GV |
9740 | |
9741 | DEFVAR_LISP ("w32-grab-focus-on-raise", | |
9742 | &Vw32_grab_focus_on_raise, | |
9743 | "Raised frame grabs input focus.\n\ | |
9744 | When t, `raise-frame' grabs input focus as well. This fits well\n\ | |
9745 | with the normal Windows click-to-focus policy, but might not be\n\ | |
9746 | desirable when using a point-to-focus policy."); | |
9747 | Vw32_grab_focus_on_raise = Qt; | |
9748 | ||
9749 | DEFVAR_LISP ("w32-capslock-is-shiftlock", | |
9750 | &Vw32_capslock_is_shiftlock, | |
9751 | "Apply CapsLock state to non character input keys.\n\ | |
9752 | When nil, CapsLock only affects normal character input keys."); | |
9753 | Vw32_capslock_is_shiftlock = Qnil; | |
ef0e360f GV |
9754 | |
9755 | DEFVAR_LISP ("w32-recognize-altgr", | |
9756 | &Vw32_recognize_altgr, | |
9757 | "Recognize right-alt and left-ctrl as AltGr.\n\ | |
9758 | When nil, the right-alt and left-ctrl key combination is\n\ | |
9759 | interpreted normally."); | |
9760 | Vw32_recognize_altgr = Qt; | |
bc6af935 | 9761 | |
484fa2c1 GV |
9762 | DEFVAR_BOOL ("w32-enable-unicode-output", |
9763 | &w32_enable_unicode_output, | |
9764 | "Enable the use of Unicode for text output if non-nil.\n\ | |
cabb23bc GV |
9765 | Unicode output may prevent some third party applications for displaying\n\ |
9766 | Far-East Languages on Windows 95/98 from working properly.\n\ | |
9767 | NT uses Unicode internally anyway, so this flag will probably have no\n\ | |
9768 | affect on NT machines."); | |
484fa2c1 | 9769 | w32_enable_unicode_output = 1; |
a1b9438c | 9770 | |
791f420f JR |
9771 | staticpro (&help_echo); |
9772 | help_echo = Qnil; | |
9773 | staticpro (&previous_help_echo); | |
9774 | previous_help_echo = Qnil; | |
9775 | ||
9776 | DEFVAR_BOOL ("x-stretch-cursor", &x_stretch_cursor_p, | |
9777 | "*Non-nil means draw block cursor as wide as the glyph under it.\n\ | |
9778 | For example, if a block cursor is over a tab, it will be drawn as\n\ | |
9779 | wide as that tab on the display."); | |
9780 | x_stretch_cursor_p = 0; | |
9781 | ||
9782 | DEFVAR_BOOL ("x-toolkit-scroll-bars-p", &x_toolkit_scroll_bars_p, | |
9783 | "If not nil, Emacs uses toolkit scroll bars."); | |
9784 | x_toolkit_scroll_bars_p = 1; | |
9785 | ||
9786 | staticpro (&last_mouse_motion_frame); | |
9787 | last_mouse_motion_frame = Qnil; | |
ee78dc32 | 9788 | } |