Commit | Line | Data |
---|---|---|
e9e23e23 | 1 | /* Implementation of GUI terminal on the Microsoft W32 API. |
791f420f | 2 | Copyright (C) 1989, 93, 94, 95, 96, 97, 98 Free Software Foundation, Inc. |
ee78dc32 GV |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2, or (at your option) | |
9 | any later version. | |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
1fb87c77 KH |
17 | along with GNU Emacs; see the file COPYING. If not, write to the |
18 | Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | Boston, MA 02111-1307, USA. */ | |
ee78dc32 | 20 | |
ee78dc32 | 21 | #include <config.h> |
68c45bf0 | 22 | #include <signal.h> |
ee78dc32 | 23 | #include <stdio.h> |
791f420f | 24 | #include <stdlib.h> |
ee78dc32 | 25 | #include "lisp.h" |
2091aeb2 | 26 | #include "charset.h" |
cabb23bc | 27 | #include "fontset.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" | |
46 | #include "termhooks.h" | |
47 | #include "termopts.h" | |
48 | #include "termchar.h" | |
49 | #include "gnu.h" | |
50 | #include "disptab.h" | |
51 | #include "buffer.h" | |
52 | #include "window.h" | |
53 | #include "keyboard.h" | |
54 | #include "intervals.h" | |
791f420f | 55 | #include "composite.h" |
ef0e360f | 56 | #include "coding.h" |
ee78dc32 | 57 | |
03887dd3 KH |
58 | #undef min |
59 | #undef max | |
60 | #define min(x, y) (((x) < (y)) ? (x) : (y)) | |
61 | #define max(x, y) (((x) > (y)) ? (x) : (y)) | |
62 | ||
791f420f JR |
63 | #define abs(x) ((x) < 0 ? -(x) : (x)) |
64 | ||
65 | #define BETWEEN(X, LOWER, UPPER) ((X) >= (LOWER) && (X) < (UPPER)) | |
66 | ||
67 | \f | |
68 | /* Bitmaps for truncated lines. */ | |
69 | ||
70 | enum bitmap_type | |
71 | { | |
72 | NO_BITMAP, | |
73 | LEFT_TRUNCATION_BITMAP, | |
74 | RIGHT_TRUNCATION_BITMAP, | |
75 | OVERLAY_ARROW_BITMAP, | |
76 | CONTINUED_LINE_BITMAP, | |
77 | CONTINUATION_LINE_BITMAP, | |
78 | ZV_LINE_BITMAP | |
79 | }; | |
80 | ||
81 | /* Bitmaps are all unsigned short, as Windows requires bitmap data to | |
82 | be Word aligned. For some reason they are horizontally reflected | |
83 | compared to how they appear on X, so changes in xterm.c should be | |
84 | reflected here. */ | |
85 | ||
86 | /* Bitmap drawn to indicate lines not displaying text if | |
87 | `indicate-empty-lines' is non-nil. */ | |
88 | ||
89 | #define zv_width 8 | |
90 | #define zv_height 8 | |
91 | static unsigned short zv_bits[] = { | |
92 | 0x00, 0x00, 0x78, 0x78, 0x78, 0x78, 0x00, 0x00}; | |
f7737f5d | 93 | static HBITMAP zv_bmp; |
791f420f JR |
94 | |
95 | /* An arrow like this: `<-'. */ | |
96 | ||
97 | #define left_width 8 | |
98 | #define left_height 8 | |
99 | static unsigned short left_bits[] = { | |
100 | 0x18, 0x30, 0x60, 0xfc, 0xfc, 0x60, 0x30, 0x18}; | |
f7737f5d | 101 | static HBITMAP left_bmp; |
791f420f JR |
102 | |
103 | /* Right truncation arrow bitmap `->'. */ | |
104 | ||
105 | #define right_width 8 | |
106 | #define right_height 8 | |
107 | static unsigned short right_bits[] = { | |
108 | 0x18, 0x0c, 0x06, 0x3f, 0x3f, 0x06, 0x0c, 0x18}; | |
f7737f5d | 109 | static HBITMAP right_bmp; |
791f420f JR |
110 | |
111 | /* Marker for continued lines. */ | |
112 | ||
113 | #define continued_width 8 | |
114 | #define continued_height 8 | |
115 | static unsigned short continued_bits[] = { | |
116 | 0x3c, 0x3e, 0x03, 0x27, 0x3f, 0x3e, 0x3c, 0x3e}; | |
f7737f5d | 117 | static HBITMAP continued_bmp; |
791f420f JR |
118 | |
119 | /* Marker for continuation lines. */ | |
120 | ||
121 | #define continuation_width 8 | |
122 | #define continuation_height 8 | |
123 | static unsigned short continuation_bits[] = { | |
124 | 0x3c, 0x7c, 0xc0, 0xe4, 0xfc, 0x7c, 0x3c, 0x7c}; | |
f7737f5d | 125 | static HBITMAP continuation_bmp; |
791f420f JR |
126 | |
127 | /* Overlay arrow bitmap. */ | |
128 | ||
129 | #if 0 | |
130 | /* A bomb. */ | |
131 | #define ov_width 8 | |
132 | #define ov_height 8 | |
133 | static unsigned short ov_bits[] = { | |
134 | 0x0c, 0x10, 0x3c, 0x7e, 0x5e, 0x5e, 0x46, 0x3c}; | |
135 | #else | |
136 | /* A triangular arrow. */ | |
137 | #define ov_width 8 | |
138 | #define ov_height 8 | |
139 | static unsigned short ov_bits[] = { | |
140 | 0xc0, 0xf0, 0xf8, 0xfc, 0xfc, 0xf8, 0xf0, 0xc0}; | |
791f420f | 141 | #endif |
f7737f5d | 142 | static HBITMAP ov_bmp; |
791f420f JR |
143 | |
144 | extern Lisp_Object Qhelp_echo; | |
145 | ||
146 | \f | |
147 | /* Non-zero means Emacs uses toolkit scroll bars. */ | |
148 | ||
149 | int x_toolkit_scroll_bars_p; | |
150 | ||
151 | /* If a string, w32_read_socket generates an event to display that string. | |
152 | (The display is done in read_char.) */ | |
153 | ||
154 | static Lisp_Object help_echo; | |
155 | ||
156 | /* Temporary variable for w32_read_socket. */ | |
157 | ||
158 | static Lisp_Object previous_help_echo; | |
159 | ||
160 | /* Non-zero means that a HELP_EVENT has been generated since Emacs | |
161 | start. */ | |
162 | ||
163 | static int any_help_event_p; | |
164 | ||
165 | /* Non-zero means draw block and hollow cursor as wide as the glyph | |
166 | under it. For example, if a block cursor is over a tab, it will be | |
167 | drawn as wide as that tab on the display. */ | |
168 | ||
169 | int x_stretch_cursor_p; | |
170 | ||
cabb23bc | 171 | #define CP_DEFAULT 1004 |
cabb23bc | 172 | |
e7efd97e GV |
173 | extern unsigned int msh_mousewheel; |
174 | ||
ee78dc32 GV |
175 | extern void free_frame_menubar (); |
176 | ||
52cf03a1 GV |
177 | extern Lisp_Object Vwindow_system; |
178 | ||
ee78dc32 GV |
179 | #define x_any_window_to_frame x_window_to_frame |
180 | #define x_top_window_to_frame x_window_to_frame | |
181 | ||
182 | \f | |
fbd6baed GV |
183 | /* This is display since w32 does not support multiple ones. */ |
184 | struct w32_display_info one_w32_display_info; | |
ee78dc32 GV |
185 | |
186 | /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE), | |
fbd6baed | 187 | one for each element of w32_display_list and in the same order. |
ee78dc32 GV |
188 | NAME is the name of the frame. |
189 | FONT-LIST-CACHE records previous values returned by x-list-fonts. */ | |
fbd6baed | 190 | Lisp_Object w32_display_name_list; |
ee78dc32 GV |
191 | |
192 | /* Frame being updated by update_frame. This is declared in term.c. | |
193 | This is set by update_begin and looked at by all the | |
fbd6baed | 194 | w32 functions. It is zero while not inside an update. |
791f420f | 195 | In that case, the w32 functions assume that `SELECTED_FRAME ()' |
ee78dc32 GV |
196 | is the frame to apply to. */ |
197 | extern struct frame *updating_frame; | |
198 | ||
199 | /* This is a frame waiting to be autoraised, within w32_read_socket. */ | |
200 | struct frame *pending_autoraise_frame; | |
201 | ||
ee78dc32 | 202 | /* Nominal cursor position -- where to draw output. |
791f420f JR |
203 | HPOS and VPOS are window relative glyph matrix coordinates. |
204 | X and Y are window relative pixel coordinates. */ | |
ee78dc32 | 205 | |
791f420f | 206 | struct cursor_pos output_cursor; |
ee78dc32 | 207 | |
484fa2c1 | 208 | /* Flag to enable Unicode output in case users wish to use programs |
cabb23bc GV |
209 | like Twinbridge on '95 rather than installed system level support |
210 | for Far East languages. */ | |
484fa2c1 | 211 | int w32_enable_unicode_output; |
cabb23bc | 212 | |
e9e23e23 GV |
213 | DWORD dwWindowsThreadId = 0; |
214 | HANDLE hWindowsThread = NULL; | |
ee78dc32 GV |
215 | DWORD dwMainThreadId = 0; |
216 | HANDLE hMainThread = NULL; | |
217 | ||
689004fa GV |
218 | #ifndef SIF_ALL |
219 | /* These definitions are new with Windows 95. */ | |
220 | #define SIF_RANGE 0x0001 | |
221 | #define SIF_PAGE 0x0002 | |
222 | #define SIF_POS 0x0004 | |
223 | #define SIF_DISABLENOSCROLL 0x0008 | |
224 | #define SIF_TRACKPOS 0x0010 | |
225 | #define SIF_ALL (SIF_RANGE | SIF_PAGE | SIF_POS | SIF_TRACKPOS) | |
226 | ||
227 | typedef struct tagSCROLLINFO | |
228 | { | |
229 | UINT cbSize; | |
230 | UINT fMask; | |
231 | int nMin; | |
232 | int nMax; | |
233 | UINT nPage; | |
234 | int nPos; | |
235 | int nTrackPos; | |
236 | } SCROLLINFO, FAR *LPSCROLLINFO; | |
237 | typedef SCROLLINFO CONST FAR *LPCSCROLLINFO; | |
238 | #endif /* SIF_ALL */ | |
239 | ||
240 | /* Dynamic linking to new proportional scroll bar functions. */ | |
241 | int (PASCAL *pfnSetScrollInfo) (HWND hwnd, int fnBar, LPSCROLLINFO lpsi, BOOL fRedraw); | |
242 | BOOL (PASCAL *pfnGetScrollInfo) (HWND hwnd, int fnBar, LPSCROLLINFO lpsi); | |
243 | ||
244 | int vertical_scroll_bar_min_handle; | |
245 | int vertical_scroll_bar_top_border; | |
246 | int vertical_scroll_bar_bottom_border; | |
247 | ||
248 | int last_scroll_bar_drag_pos; | |
249 | ||
ee78dc32 GV |
250 | /* Mouse movement. */ |
251 | ||
252 | /* Where the mouse was last time we reported a mouse event. */ | |
791f420f | 253 | FRAME_PTR last_mouse_frame; |
ee78dc32 | 254 | static RECT last_mouse_glyph; |
791f420f | 255 | static Lisp_Object last_mouse_press_frame; |
ee78dc32 | 256 | |
fbd6baed | 257 | Lisp_Object Vw32_num_mouse_buttons; |
52cf03a1 | 258 | |
fbd6baed | 259 | Lisp_Object Vw32_swap_mouse_buttons; |
52cf03a1 | 260 | |
689004fa GV |
261 | /* Control whether x_raise_frame also sets input focus. */ |
262 | Lisp_Object Vw32_grab_focus_on_raise; | |
263 | ||
264 | /* Control whether Caps Lock affects non-ascii characters. */ | |
265 | Lisp_Object Vw32_capslock_is_shiftlock; | |
266 | ||
ef0e360f GV |
267 | /* Control whether right-alt and left-ctrl should be recognized as AltGr. */ |
268 | Lisp_Object Vw32_recognize_altgr; | |
269 | ||
ee78dc32 GV |
270 | /* The scroll bar in which the last motion event occurred. |
271 | ||
272 | If the last motion event occurred in a scroll bar, we set this | |
fbd6baed | 273 | so w32_mouse_position can know whether to report a scroll bar motion or |
ee78dc32 GV |
274 | an ordinary motion. |
275 | ||
276 | If the last motion event didn't occur in a scroll bar, we set this | |
fbd6baed | 277 | to Qnil, to tell w32_mouse_position to return an ordinary motion event. */ |
ee78dc32 GV |
278 | Lisp_Object last_mouse_scroll_bar; |
279 | int last_mouse_scroll_bar_pos; | |
280 | ||
fbd6baed | 281 | /* This is a hack. We would really prefer that w32_mouse_position would |
ee78dc32 GV |
282 | return the time associated with the position it returns, but there |
283 | doesn't seem to be any way to wrest the timestamp from the server | |
284 | along with the position query. So, we just keep track of the time | |
285 | of the last movement we received, and return that in hopes that | |
286 | it's somewhat accurate. */ | |
287 | Time last_mouse_movement_time; | |
288 | ||
a1b9438c GV |
289 | /* Associative list linking character set strings to Windows codepages. */ |
290 | Lisp_Object Vw32_charset_to_codepage_alist; | |
291 | ||
ee78dc32 GV |
292 | /* Incremented by w32_read_socket whenever it really tries to read events. */ |
293 | #ifdef __STDC__ | |
294 | static int volatile input_signal_count; | |
295 | #else | |
296 | static int input_signal_count; | |
297 | #endif | |
298 | ||
299 | extern Lisp_Object Vcommand_line_args, Vsystem_name; | |
300 | ||
301 | extern Lisp_Object Qface, Qmouse_face; | |
302 | ||
303 | extern int errno; | |
304 | ||
305 | /* A mask of extra modifier bits to put into every keyboard char. */ | |
306 | extern int extra_keyboard_modifiers; | |
307 | ||
791f420f JR |
308 | /* Enumeration for overriding/changing the face to use for drawing |
309 | glyphs in x_draw_glyphs. */ | |
310 | ||
311 | enum draw_glyphs_face | |
312 | { | |
313 | DRAW_NORMAL_TEXT, | |
314 | DRAW_INVERSE_VIDEO, | |
315 | DRAW_CURSOR, | |
316 | DRAW_MOUSE_FACE, | |
317 | DRAW_IMAGE_RAISED, | |
318 | DRAW_IMAGE_SUNKEN | |
319 | }; | |
320 | ||
321 | static void x_update_window_end P_ ((struct window *, int)); | |
322 | static void frame_to_window_pixel_xy P_ ((struct window *, int *, int *)); | |
323 | void w32_delete_display P_ ((struct w32_display_info *)); | |
324 | static int fast_find_position P_ ((struct window *, int, int *, int *, | |
325 | int *, int *)); | |
326 | static void set_output_cursor P_ ((struct cursor_pos *)); | |
327 | static struct glyph *x_y_to_hpos_vpos P_ ((struct window *, int, int, | |
328 | int *, int *, int *)); | |
329 | static void note_mode_line_highlight P_ ((struct window *, int, int)); | |
330 | static void x_check_font P_ ((struct frame *, XFontStruct *)); | |
331 | static void note_mouse_highlight P_ ((struct frame *, int, int)); | |
332 | static void note_tool_bar_highlight P_ ((struct frame *f, int, int)); | |
333 | static void w32_handle_tool_bar_click P_ ((struct frame *, | |
334 | struct input_event *)); | |
335 | static void show_mouse_face P_ ((struct w32_display_info *, | |
336 | enum draw_glyphs_face)); | |
337 | void clear_mouse_face P_ ((struct w32_display_info *)); | |
338 | ||
339 | void x_lower_frame P_ ((struct frame *)); | |
340 | void x_scroll_bar_clear P_ ((struct frame *)); | |
341 | void x_wm_set_size_hint P_ ((struct frame *, long, int)); | |
342 | void x_raise_frame P_ ((struct frame *)); | |
343 | void x_set_window_size P_ ((struct frame *, int, int, int)); | |
344 | void x_wm_set_window_state P_ ((struct frame *, int)); | |
345 | void x_wm_set_icon_pixmap P_ ((struct frame *, int)); | |
346 | void w32_initialize P_ ((void)); | |
347 | static void x_font_min_bounds P_ ((XFontStruct *, int *, int *)); | |
348 | int x_compute_min_glyph_bounds P_ ((struct frame *)); | |
349 | static void x_draw_phys_cursor_glyph P_ ((struct window *, | |
350 | struct glyph_row *, | |
351 | enum draw_glyphs_face)); | |
352 | static void x_update_end P_ ((struct frame *)); | |
353 | static void w32_frame_up_to_date P_ ((struct frame *)); | |
354 | static void w32_reassert_line_highlight P_ ((int, int)); | |
355 | static void x_change_line_highlight P_ ((int, int, int, int)); | |
356 | static void w32_set_terminal_modes P_ ((void)); | |
357 | static void w32_reset_terminal_modes P_ ((void)); | |
358 | static void w32_cursor_to P_ ((int, int, int, int)); | |
359 | static void x_write_glyphs P_ ((struct glyph *, int)); | |
360 | static void x_clear_end_of_line P_ ((int)); | |
361 | static void x_clear_frame P_ ((void)); | |
362 | static void x_clear_cursor P_ ((struct window *)); | |
363 | static void frame_highlight P_ ((struct frame *)); | |
364 | static void frame_unhighlight P_ ((struct frame *)); | |
365 | static void w32_new_focus_frame P_ ((struct w32_display_info *, | |
366 | struct frame *)); | |
367 | static void w32_frame_rehighlight P_ ((struct frame *)); | |
368 | static void x_frame_rehighlight P_ ((struct w32_display_info *)); | |
369 | static void x_draw_hollow_cursor P_ ((struct window *, struct glyph_row *)); | |
370 | static void x_draw_bar_cursor P_ ((struct window *, struct glyph_row *)); | |
371 | static int w32_intersect_rectangles P_ ((RECT *, RECT *, RECT *)); | |
372 | static void expose_frame P_ ((struct frame *, int, int, int, int)); | |
373 | static void expose_window_tree P_ ((struct window *, RECT *)); | |
374 | static void expose_window P_ ((struct window *, RECT *)); | |
375 | static void expose_area P_ ((struct window *, struct glyph_row *, | |
376 | RECT *, enum glyph_row_area)); | |
377 | static void expose_line P_ ((struct window *, struct glyph_row *, | |
378 | RECT *)); | |
379 | void x_update_cursor P_ ((struct frame *, int)); | |
380 | static void x_update_cursor_in_window_tree P_ ((struct window *, int)); | |
381 | static void x_update_window_cursor P_ ((struct window *, int)); | |
382 | static void x_erase_phys_cursor P_ ((struct window *)); | |
383 | void x_display_cursor P_ ((struct window *w, int, int, int, int, int)); | |
384 | void x_display_and_set_cursor P_ ((struct window *, int, int, int, int, int)); | |
385 | static void w32_draw_bitmap P_ ((struct window *, HDC hdc, struct glyph_row *, | |
386 | enum bitmap_type)); | |
387 | static int x_phys_cursor_in_rect_p P_ ((struct window *, RECT *)); | |
388 | static void x_draw_row_bitmaps P_ ((struct window *, struct glyph_row *)); | |
389 | static void note_overwritten_text_cursor P_ ((struct window *, int, int)); | |
390 | static void w32_clip_to_row P_ ((struct window *, struct glyph_row *, | |
391 | HDC, int)); | |
392 | ||
ee78dc32 GV |
393 | static Lisp_Object Qvendor_specific_keysyms; |
394 | ||
ee78dc32 GV |
395 | \f |
396 | #if 0 | |
397 | /* This is a function useful for recording debugging information | |
398 | about the sequence of occurrences in this file. */ | |
399 | ||
400 | struct record | |
401 | { | |
402 | char *locus; | |
403 | int type; | |
404 | }; | |
405 | ||
406 | struct record event_record[100]; | |
407 | ||
408 | int event_record_index; | |
409 | ||
410 | record_event (locus, type) | |
411 | char *locus; | |
412 | int type; | |
413 | { | |
414 | if (event_record_index == sizeof (event_record) / sizeof (struct record)) | |
415 | event_record_index = 0; | |
416 | ||
417 | event_record[event_record_index].locus = locus; | |
418 | event_record[event_record_index].type = type; | |
419 | event_record_index++; | |
420 | } | |
421 | ||
422 | #endif /* 0 */ | |
423 | \f | |
791f420f JR |
424 | |
425 | void XChangeGC (void * ignore, XGCValues* gc, unsigned long mask, | |
426 | XGCValues *xgcv) | |
427 | { | |
428 | if (mask & GCForeground) | |
429 | gc->foreground = xgcv->foreground; | |
430 | if (mask & GCBackground) | |
431 | gc->background = xgcv->background; | |
432 | if (mask & GCFont) | |
433 | gc->font = xgcv->font; | |
434 | } | |
435 | ||
436 | XGCValues *XCreateGC (void * ignore, Window window, unsigned long mask, | |
437 | XGCValues *xgcv) | |
438 | { | |
439 | XGCValues *gc = (XGCValues *) xmalloc (sizeof (XGCValues)); | |
440 | bzero (gc, sizeof (XGCValues)); | |
441 | ||
442 | XChangeGC (ignore, gc, mask, xgcv); | |
443 | ||
444 | return gc; | |
445 | } | |
446 | ||
447 | void XGetGCValues (void* ignore, XGCValues *gc, | |
448 | unsigned long mask, XGCValues *xgcv) | |
449 | { | |
450 | XChangeGC (ignore, xgcv, mask, gc); | |
451 | } | |
452 | ||
453 | void XTextExtents16 (XFontStruct *font, wchar_t *text, int nchars, | |
454 | int *direction,int *font_ascent, | |
455 | int *font_descent, XCharStruct *cs) | |
456 | { | |
457 | /* NTEMACS_TODO: Use GetTextMetrics to do this and inline it below. */ | |
458 | } | |
459 | ||
460 | static void | |
461 | w32_set_clip_rectangle (HDC hdc, RECT *rect) | |
462 | { | |
463 | if (rect) | |
464 | { | |
465 | HRGN clip_region = CreateRectRgnIndirect (rect); | |
466 | SelectClipRgn (hdc, clip_region); | |
467 | DeleteObject (clip_region); | |
468 | } | |
469 | else | |
470 | SelectClipRgn (hdc, NULL); | |
471 | } | |
472 | ||
791f420f JR |
473 | |
474 | /* Draw a hollow rectangle at the specified position. */ | |
475 | void | |
476 | w32_draw_rectangle (HDC hdc, XGCValues *gc, int x, int y, | |
477 | int width, int height) | |
478 | { | |
479 | HBRUSH hb, oldhb; | |
480 | HPEN hp, oldhp; | |
481 | ||
482 | hb = CreateSolidBrush (gc->background); | |
483 | hp = CreatePen (PS_SOLID, 0, gc->foreground); | |
484 | oldhb = SelectObject (hdc, hb); | |
485 | oldhp = SelectObject (hdc, hp); | |
486 | ||
487 | Rectangle (hdc, x, y, x + width, y + height); | |
488 | ||
489 | SelectObject (hdc, oldhb); | |
490 | SelectObject (hdc, oldhp); | |
491 | DeleteObject (hb); | |
492 | DeleteObject (hp); | |
493 | } | |
494 | ||
495 | /* Draw a filled rectangle at the specified position. */ | |
ee78dc32 | 496 | void |
00fe468b | 497 | w32_fill_rect (f, hdc, pix, lprect) |
ee78dc32 | 498 | FRAME_PTR f; |
00fe468b | 499 | HDC hdc; |
ee78dc32 GV |
500 | COLORREF pix; |
501 | RECT * lprect; | |
502 | { | |
ee78dc32 | 503 | HBRUSH hb; |
ee78dc32 | 504 | RECT rect; |
791f420f | 505 | |
ee78dc32 | 506 | hb = CreateSolidBrush (pix); |
ee78dc32 | 507 | FillRect (hdc, lprect, hb); |
ee78dc32 | 508 | DeleteObject (hb); |
ee78dc32 GV |
509 | } |
510 | ||
511 | void | |
fbd6baed | 512 | w32_clear_window (f) |
ee78dc32 GV |
513 | FRAME_PTR f; |
514 | { | |
515 | RECT rect; | |
00fe468b | 516 | HDC hdc = get_frame_dc (f); |
52cf03a1 | 517 | |
fbd6baed | 518 | GetClientRect (FRAME_W32_WINDOW (f), &rect); |
00fe468b JR |
519 | w32_clear_rect (f, hdc, &rect); |
520 | release_frame_dc (f, hdc); | |
ee78dc32 GV |
521 | } |
522 | ||
523 | \f | |
791f420f JR |
524 | /*********************************************************************** |
525 | Starting and ending an update | |
526 | ***********************************************************************/ | |
527 | ||
528 | /* Start an update of frame F. This function is installed as a hook | |
529 | for update_begin, i.e. it is called when update_begin is called. | |
530 | This function is called prior to calls to x_update_window_begin for | |
531 | each window being updated. Currently, there is nothing to do here | |
532 | because all interesting stuff is done on a window basis. */ | |
ee78dc32 | 533 | |
96214669 | 534 | static void |
791f420f | 535 | x_update_begin (f) |
ee78dc32 GV |
536 | struct frame *f; |
537 | { | |
791f420f JR |
538 | /* Nothing to do. We have to do something though, otherwise the |
539 | function gets optimized away and the hook is no longer valid. */ | |
540 | struct frame *cf = f; | |
541 | } | |
ee78dc32 | 542 | |
791f420f JR |
543 | |
544 | /* Start update of window W. Set the global variable updated_window | |
545 | to the window being updated and set output_cursor to the cursor | |
546 | position of W. */ | |
547 | ||
548 | static void | |
549 | x_update_window_begin (w) | |
550 | struct window *w; | |
551 | { | |
552 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
553 | struct w32_display_info *display_info = FRAME_W32_DISPLAY_INFO (f); | |
554 | ||
555 | updated_window = w; | |
556 | set_output_cursor (&w->cursor); | |
ee78dc32 GV |
557 | |
558 | BLOCK_INPUT; | |
559 | ||
52cf03a1 GV |
560 | /* Regenerate display palette before drawing if list of requested |
561 | colors has changed. */ | |
791f420f | 562 | if (display_info->regen_palette) |
52cf03a1 | 563 | { |
fbd6baed | 564 | w32_regenerate_palette (f); |
791f420f | 565 | display_info->regen_palette = FALSE; |
52cf03a1 GV |
566 | } |
567 | ||
791f420f | 568 | if (f == display_info->mouse_face_mouse_frame) |
ee78dc32 GV |
569 | { |
570 | /* Don't do highlighting for mouse motion during the update. */ | |
791f420f | 571 | display_info->mouse_face_defer = 1; |
ee78dc32 GV |
572 | |
573 | /* If the frame needs to be redrawn, | |
574 | simply forget about any prior mouse highlighting. */ | |
575 | if (FRAME_GARBAGED_P (f)) | |
791f420f JR |
576 | display_info->mouse_face_window = Qnil; |
577 | ||
578 | /* Can we tell that this update does not affect the window | |
579 | where the mouse highlight is? If so, no need to turn off. | |
580 | Likewise, don't do anything if the frame is garbaged; | |
581 | in that case, the frame's current matrix that we would use | |
582 | is all wrong, and we will redisplay that line anyway. */ | |
583 | if (!NILP (display_info->mouse_face_window) | |
584 | && w == XWINDOW (display_info->mouse_face_window)) | |
ee78dc32 | 585 | { |
791f420f | 586 | int i; |
ee78dc32 | 587 | |
791f420f JR |
588 | for (i = 0; i < w->desired_matrix->nrows; ++i) |
589 | if (MATRIX_ROW_ENABLED_P (w->desired_matrix, i)) | |
ee78dc32 GV |
590 | break; |
591 | ||
791f420f JR |
592 | if (i < w->desired_matrix->nrows) |
593 | clear_mouse_face (display_info); | |
ee78dc32 GV |
594 | } |
595 | } | |
596 | ||
597 | UNBLOCK_INPUT; | |
598 | } | |
599 | ||
791f420f JR |
600 | |
601 | /* Draw a vertical window border to the right of window W if W doesn't | |
602 | have vertical scroll bars. */ | |
603 | ||
96214669 | 604 | static void |
791f420f JR |
605 | x_draw_vertical_border (w) |
606 | struct window *w; | |
ee78dc32 | 607 | { |
791f420f JR |
608 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
609 | ||
610 | /* Redraw borders between horizontally adjacent windows. Don't | |
611 | do it for frames with vertical scroll bars because either the | |
612 | right scroll bar of a window, or the left scroll bar of its | |
613 | neighbor will suffice as a border. */ | |
614 | if (!WINDOW_RIGHTMOST_P (w) | |
615 | && !FRAME_HAS_VERTICAL_SCROLL_BARS (f)) | |
616 | { | |
617 | RECT r; | |
00fe468b | 618 | HDC hdc; |
ee78dc32 | 619 | |
791f420f JR |
620 | window_box_edges (w, -1, &r.left, &r.top, &r.right, &r.bottom); |
621 | r.left = r.right + FRAME_X_RIGHT_FLAGS_AREA_WIDTH (f); | |
622 | r.right = r.left + 1; | |
623 | r.bottom -= 1; | |
ee78dc32 | 624 | |
00fe468b JR |
625 | hdc = get_frame_dc (f); |
626 | w32_fill_rect (f, hdc, FRAME_FOREGROUND_PIXEL (f), r); | |
627 | release_frame_dc (f, hdc); | |
791f420f JR |
628 | } |
629 | } | |
ee78dc32 | 630 | |
791f420f JR |
631 | |
632 | /* End update of window W (which is equal to updated_window). Draw | |
633 | vertical borders between horizontally adjacent windows, and display | |
634 | W's cursor if CURSOR_ON_P is non-zero. W may be a menu bar | |
635 | pseudo-window in case we don't have X toolkit support. Such | |
636 | windows don't have a cursor, so don't display it here. */ | |
637 | ||
638 | static void | |
639 | x_update_window_end (w, cursor_on_p) | |
640 | struct window *w; | |
641 | int cursor_on_p; | |
642 | { | |
643 | if (!w->pseudo_window_p) | |
644 | { | |
645 | BLOCK_INPUT; | |
646 | if (cursor_on_p) | |
647 | x_display_and_set_cursor (w, 1, output_cursor.hpos, | |
648 | output_cursor.vpos, | |
649 | output_cursor.x, output_cursor.y); | |
650 | x_draw_vertical_border (w); | |
651 | UNBLOCK_INPUT; | |
652 | } | |
653 | ||
654 | updated_window = NULL; | |
655 | } | |
656 | ||
657 | static void | |
658 | x_update_end (f) | |
659 | struct frame *f; | |
660 | { | |
661 | /* Mouse highlight may be displayed again. */ | |
662 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_defer = 0; | |
ee78dc32 GV |
663 | } |
664 | ||
791f420f JR |
665 | /* This function is called from various places in xdisp.c whenever a |
666 | complete update has been performed. The global variable | |
667 | updated_window is not available here. */ | |
ee78dc32 | 668 | |
96214669 | 669 | static void |
fbd6baed | 670 | w32_frame_up_to_date (f) |
791f420f | 671 | struct frame *f; |
ee78dc32 | 672 | { |
791f420f | 673 | if (FRAME_W32_P (f)) |
ee78dc32 | 674 | { |
791f420f JR |
675 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); |
676 | if (dpyinfo->mouse_face_deferred_gc | |
677 | || f == dpyinfo->mouse_face_mouse_frame) | |
678 | { | |
679 | BLOCK_INPUT; | |
680 | if (dpyinfo->mouse_face_mouse_frame) | |
681 | note_mouse_highlight (dpyinfo->mouse_face_mouse_frame, | |
682 | dpyinfo->mouse_face_mouse_x, | |
683 | dpyinfo->mouse_face_mouse_y); | |
684 | dpyinfo->mouse_face_deferred_gc = 0; | |
685 | UNBLOCK_INPUT; | |
686 | } | |
ee78dc32 GV |
687 | } |
688 | } | |
791f420f JR |
689 | |
690 | ||
691 | /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay | |
692 | arrow bitmaps, or clear the areas where they would be displayed | |
693 | before DESIRED_ROW is made current. The window being updated is | |
694 | found in updated_window. This function It is called from | |
695 | update_window_line only if it is known that there are differences | |
696 | between bitmaps to be drawn between current row and DESIRED_ROW. */ | |
697 | ||
698 | static void | |
699 | x_after_update_window_line (desired_row) | |
700 | struct glyph_row *desired_row; | |
701 | { | |
702 | struct window *w = updated_window; | |
703 | ||
704 | xassert (w); | |
705 | ||
706 | if (!desired_row->mode_line_p && !w->pseudo_window_p) | |
707 | { | |
708 | BLOCK_INPUT; | |
709 | x_draw_row_bitmaps (w, desired_row); | |
710 | ||
711 | /* When a window has disappeared, make sure that no rest of | |
712 | full-width rows stays visible in the internal border. */ | |
713 | if (windows_or_buffers_changed) | |
714 | { | |
715 | struct frame *f = XFRAME (w->frame); | |
716 | int width = FRAME_INTERNAL_BORDER_WIDTH (f); | |
717 | int height = desired_row->visible_height; | |
718 | int x = (window_box_right (w, -1) | |
719 | + FRAME_X_RIGHT_FLAGS_AREA_WIDTH (f)); | |
720 | int y = WINDOW_TO_FRAME_PIXEL_Y (w, max (0, desired_row->y)); | |
00fe468b | 721 | HDC hdc = get_frame_dc (f); |
791f420f | 722 | |
00fe468b JR |
723 | w32_clear_area (f, hdc, x, y, width, height); |
724 | release_frame_dc (f, hdc); | |
791f420f JR |
725 | } |
726 | ||
727 | UNBLOCK_INPUT; | |
728 | } | |
729 | } | |
730 | ||
731 | ||
732 | /* Draw the bitmap WHICH in one of the areas to the left or right of | |
733 | window W. ROW is the glyph row for which to display the bitmap; it | |
734 | determines the vertical position at which the bitmap has to be | |
735 | drawn. */ | |
736 | ||
737 | static void | |
00fe468b | 738 | w32_draw_bitmap (w, hdc, row, which) |
791f420f | 739 | struct window *w; |
00fe468b | 740 | HDC hdc; |
791f420f JR |
741 | struct glyph_row *row; |
742 | enum bitmap_type which; | |
743 | { | |
744 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
745 | Window window = FRAME_W32_WINDOW (f); | |
791f420f JR |
746 | HDC compat_hdc; |
747 | int x, y, wd, h, dy; | |
791f420f JR |
748 | HBITMAP pixmap; |
749 | HBRUSH fg_brush, orig_brush; | |
750 | HANDLE horig_obj; | |
751 | struct face *face; | |
752 | ||
753 | /* Must clip because of partially visible lines. */ | |
754 | w32_clip_to_row (w, row, hdc, 1); | |
755 | ||
756 | switch (which) | |
757 | { | |
758 | case LEFT_TRUNCATION_BITMAP: | |
759 | wd = left_width; | |
760 | h = left_height; | |
f7737f5d | 761 | pixmap = left_bmp; |
791f420f JR |
762 | x = (WINDOW_TO_FRAME_PIXEL_X (w, 0) |
763 | - wd | |
764 | - (FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) - wd) / 2); | |
765 | break; | |
766 | ||
767 | case OVERLAY_ARROW_BITMAP: | |
768 | wd = ov_width; | |
769 | h = ov_height; | |
f7737f5d | 770 | pixmap = ov_bmp; |
791f420f JR |
771 | x = (WINDOW_TO_FRAME_PIXEL_X (w, 0) |
772 | - wd | |
773 | - (FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) - wd) / 2); | |
774 | break; | |
775 | ||
776 | case RIGHT_TRUNCATION_BITMAP: | |
777 | wd = right_width; | |
778 | h = right_height; | |
f7737f5d | 779 | pixmap = right_bmp; |
791f420f JR |
780 | x = window_box_right (w, -1); |
781 | x += (FRAME_X_RIGHT_FLAGS_AREA_WIDTH (f) - wd) / 2; | |
782 | break; | |
783 | ||
784 | case CONTINUED_LINE_BITMAP: | |
785 | wd = continued_width; | |
786 | h = continued_height; | |
f7737f5d | 787 | pixmap = continued_bmp; |
791f420f JR |
788 | x = window_box_right (w, -1); |
789 | x += (FRAME_X_RIGHT_FLAGS_AREA_WIDTH (f) - wd) / 2; | |
790 | break; | |
791 | ||
792 | case CONTINUATION_LINE_BITMAP: | |
793 | wd = continuation_width; | |
794 | h = continuation_height; | |
f7737f5d | 795 | pixmap = continuation_bmp; |
791f420f JR |
796 | x = (WINDOW_TO_FRAME_PIXEL_X (w, 0) |
797 | - wd | |
798 | - (FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) - wd) / 2); | |
799 | break; | |
800 | ||
801 | case ZV_LINE_BITMAP: | |
802 | wd = zv_width; | |
803 | h = zv_height; | |
f7737f5d | 804 | pixmap = zv_bmp; |
791f420f JR |
805 | x = (WINDOW_TO_FRAME_PIXEL_X (w, 0) |
806 | - wd | |
807 | - (FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) - wd) / 2); | |
808 | break; | |
809 | ||
810 | default: | |
811 | abort (); | |
812 | } | |
813 | ||
814 | /* Convert to frame coordinates. Set dy to the offset in the row to | |
815 | start drawing the bitmap. */ | |
816 | y = WINDOW_TO_FRAME_PIXEL_Y (w, row->y); | |
817 | dy = (row->height - h) / 2; | |
818 | ||
f7737f5d | 819 | /* Draw the bitmap. */ |
791f420f | 820 | face = FACE_FROM_ID (f, BITMAP_AREA_FACE_ID); |
791f420f JR |
821 | |
822 | compat_hdc = CreateCompatibleDC (hdc); | |
823 | SaveDC (hdc); | |
824 | fg_brush = CreateSolidBrush (FRAME_FOREGROUND_PIXEL (f)); | |
825 | orig_brush = SelectObject (hdc, fg_brush); | |
826 | horig_obj = SelectObject (compat_hdc, pixmap); | |
827 | SetTextColor (hdc, FRAME_BACKGROUND_PIXEL (f)); | |
828 | SetBkColor (hdc, FRAME_FOREGROUND_PIXEL (f)); | |
829 | #if 0 /* From w32bdf.c (which is from Meadow). */ | |
830 | BitBlt (hdc, x, y + dy, wd, h, compat_hdc, 0, 0, SRCCOPY); | |
831 | #else | |
832 | BitBlt (hdc, x, y + dy, wd, h, compat_hdc, 0, 0, 0xB8074A); | |
833 | #endif | |
834 | SelectObject (compat_hdc, horig_obj); | |
835 | SelectObject (hdc, orig_brush); | |
791f420f JR |
836 | DeleteObject (fg_brush); |
837 | DeleteDC (compat_hdc); | |
838 | RestoreDC (hdc, -1); | |
791f420f JR |
839 | } |
840 | ||
841 | ||
842 | /* Draw flags bitmaps for glyph row ROW on window W. Call this | |
843 | function with input blocked. */ | |
844 | ||
845 | static void | |
846 | x_draw_row_bitmaps (w, row) | |
847 | struct window *w; | |
848 | struct glyph_row *row; | |
849 | { | |
850 | struct frame *f = XFRAME (w->frame); | |
851 | enum bitmap_type bitmap; | |
852 | struct face *face; | |
853 | int header_line_height = -1; | |
854 | HDC hdc = get_frame_dc (f); | |
855 | ||
856 | xassert (interrupt_input_blocked); | |
857 | ||
858 | /* If row is completely invisible, because of vscrolling, we | |
859 | don't have to draw anything. */ | |
860 | if (row->visible_height <= 0) | |
861 | return; | |
862 | ||
863 | face = FACE_FROM_ID (f, BITMAP_AREA_FACE_ID); | |
864 | PREPARE_FACE_FOR_DISPLAY (f, face); | |
865 | ||
866 | /* Decide which bitmap to draw at the left side. */ | |
867 | if (row->overlay_arrow_p) | |
868 | bitmap = OVERLAY_ARROW_BITMAP; | |
869 | else if (row->truncated_on_left_p) | |
870 | bitmap = LEFT_TRUNCATION_BITMAP; | |
871 | else if (MATRIX_ROW_CONTINUATION_LINE_P (row)) | |
872 | bitmap = CONTINUATION_LINE_BITMAP; | |
873 | else if (row->indicate_empty_line_p) | |
874 | bitmap = ZV_LINE_BITMAP; | |
875 | else | |
876 | bitmap = NO_BITMAP; | |
877 | ||
878 | /* Clear flags area if no bitmap to draw or if bitmap doesn't fill | |
879 | the flags area. */ | |
880 | if (bitmap == NO_BITMAP | |
881 | || FRAME_FLAGS_BITMAP_WIDTH (f) < FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) | |
882 | || row->height > FRAME_FLAGS_BITMAP_HEIGHT (f)) | |
883 | { | |
884 | /* If W has a vertical border to its left, don't draw over it. */ | |
885 | int border = ((XFASTINT (w->left) > 0 | |
886 | && !FRAME_HAS_VERTICAL_SCROLL_BARS (f)) | |
887 | ? 1 : 0); | |
888 | int left = window_box_left (w, -1); | |
889 | ||
890 | if (header_line_height < 0) | |
891 | header_line_height = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w); | |
892 | ||
893 | w32_fill_area (f, hdc, face->background, | |
894 | left - FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) + border, | |
895 | WINDOW_TO_FRAME_PIXEL_Y (w, max (header_line_height, | |
896 | row->y)), | |
897 | FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) - border, | |
898 | row->visible_height); | |
899 | } | |
900 | ||
901 | /* Draw the left bitmap. */ | |
902 | if (bitmap != NO_BITMAP) | |
903 | w32_draw_bitmap (w, hdc, row, bitmap); | |
904 | ||
905 | /* Decide which bitmap to draw at the right side. */ | |
906 | if (row->truncated_on_right_p) | |
907 | bitmap = RIGHT_TRUNCATION_BITMAP; | |
908 | else if (row->continued_p) | |
909 | bitmap = CONTINUED_LINE_BITMAP; | |
910 | else | |
911 | bitmap = NO_BITMAP; | |
912 | ||
913 | /* Clear flags area if no bitmap to draw of if bitmap doesn't fill | |
914 | the flags area. */ | |
915 | if (bitmap == NO_BITMAP | |
916 | || FRAME_FLAGS_BITMAP_WIDTH (f) < FRAME_X_RIGHT_FLAGS_AREA_WIDTH (f) | |
917 | || row->height > FRAME_FLAGS_BITMAP_HEIGHT (f)) | |
918 | { | |
919 | int right = window_box_right (w, -1); | |
920 | ||
921 | if (header_line_height < 0) | |
922 | header_line_height = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w); | |
923 | ||
924 | w32_fill_area (f, hdc, face->background, | |
925 | right, | |
926 | WINDOW_TO_FRAME_PIXEL_Y (w, max (header_line_height, | |
927 | row->y)), | |
928 | FRAME_X_RIGHT_FLAGS_AREA_WIDTH (f), | |
929 | row->visible_height); | |
930 | } | |
931 | ||
932 | /* Draw the right bitmap. */ | |
933 | if (bitmap != NO_BITMAP) | |
934 | w32_draw_bitmap (w, hdc, row, bitmap); | |
935 | ||
936 | release_frame_dc (f, hdc); | |
937 | } | |
938 | ||
ee78dc32 | 939 | \f |
791f420f JR |
940 | |
941 | /*********************************************************************** | |
942 | Line Highlighting | |
943 | ***********************************************************************/ | |
944 | ||
945 | /* External interface to control of standout mode. Not used for W32 | |
946 | frames. Aborts when called. */ | |
ee78dc32 | 947 | |
96214669 | 948 | static void |
fbd6baed | 949 | w32_reassert_line_highlight (new, vpos) |
ee78dc32 GV |
950 | int new, vpos; |
951 | { | |
791f420f | 952 | abort (); |
ee78dc32 GV |
953 | } |
954 | ||
791f420f JR |
955 | /* Call this when about to modify line at position VPOS and change |
956 | whether it is highlighted. Not used for W32 frames. Aborts when | |
957 | called. */ | |
ee78dc32 | 958 | |
96214669 | 959 | static void |
791f420f JR |
960 | x_change_line_highlight (new_highlight, vpos, y, first_unused_hpos) |
961 | int new_highlight, vpos, y, first_unused_hpos; | |
ee78dc32 | 962 | { |
791f420f | 963 | abort (); |
ee78dc32 GV |
964 | } |
965 | ||
966 | /* This is used when starting Emacs and when restarting after suspend. | |
967 | When starting Emacs, no window is mapped. And nothing must be done | |
968 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
969 | ||
96214669 GV |
970 | static void |
971 | w32_set_terminal_modes (void) | |
ee78dc32 GV |
972 | { |
973 | } | |
974 | ||
975 | /* This is called when exiting or suspending Emacs. | |
fbd6baed | 976 | Exiting will make the W32 windows go away, and suspending |
ee78dc32 GV |
977 | requires no action. */ |
978 | ||
96214669 GV |
979 | static void |
980 | w32_reset_terminal_modes (void) | |
ee78dc32 GV |
981 | { |
982 | } | |
791f420f | 983 | |
ee78dc32 | 984 | \f |
791f420f JR |
985 | /*********************************************************************** |
986 | Output Cursor | |
987 | ***********************************************************************/ | |
988 | ||
989 | /* Set the global variable output_cursor to CURSOR. All cursor | |
990 | positions are relative to updated_window. */ | |
991 | static void | |
992 | set_output_cursor (cursor) | |
993 | struct cursor_pos *cursor; | |
994 | { | |
995 | output_cursor.hpos = cursor->hpos; | |
996 | output_cursor.vpos = cursor->vpos; | |
997 | output_cursor.x = cursor->x; | |
998 | output_cursor.y = cursor->y; | |
999 | } | |
1000 | ||
1001 | ||
1002 | /* Set a nominal cursor position. | |
1003 | ||
1004 | HPOS and VPOS are column/row positions in a window glyph matrix. X | |
1005 | and Y are window text area relative pixel positions. | |
1006 | ||
1007 | If this is done during an update, updated_window will contain the | |
1008 | window that is being updated and the position is the future output | |
1009 | cursor position for that window. If updated_window is null, use | |
1010 | selected_window and display the cursor at the given position. */ | |
ee78dc32 | 1011 | |
96214669 | 1012 | static void |
791f420f JR |
1013 | w32_cursor_to (vpos, hpos, y, x) |
1014 | int vpos, hpos, y, x; | |
ee78dc32 | 1015 | { |
791f420f | 1016 | struct window *w; |
ee78dc32 | 1017 | |
791f420f JR |
1018 | /* If updated_window is not set, work on selected_window. */ |
1019 | if (updated_window) | |
1020 | w = updated_window; | |
1021 | else | |
1022 | w = XWINDOW (selected_window); | |
1023 | ||
1024 | /* Set the output cursor. */ | |
1025 | output_cursor.hpos = hpos; | |
1026 | output_cursor.vpos = vpos; | |
1027 | output_cursor.x = x; | |
1028 | output_cursor.y = y; | |
ee78dc32 | 1029 | |
791f420f JR |
1030 | /* If not called as part of an update, really display the cursor. |
1031 | This will also set the cursor position of W. */ | |
1032 | if (updated_window == NULL) | |
ee78dc32 GV |
1033 | { |
1034 | BLOCK_INPUT; | |
791f420f | 1035 | x_display_cursor (w, 1, hpos, vpos, x, y); |
ee78dc32 GV |
1036 | UNBLOCK_INPUT; |
1037 | } | |
1038 | } | |
791f420f | 1039 | |
ee78dc32 | 1040 | \f |
791f420f JR |
1041 | /*********************************************************************** |
1042 | Display Iterator | |
1043 | ***********************************************************************/ | |
1044 | ||
1045 | /* Function prototypes of this page. */ | |
1046 | ||
1047 | static struct face *x_get_glyph_face_and_encoding P_ ((struct frame *, | |
1048 | struct glyph *, | |
1049 | wchar_t *)); | |
1050 | static struct face *x_get_char_face_and_encoding P_ ((struct frame *, int, | |
1051 | int, wchar_t *, int)); | |
1052 | static XCharStruct *w32_per_char_metric P_ ((HDC hdc, XFontStruct *, | |
1053 | wchar_t *, int unicode_p)); | |
1054 | static void x_encode_char P_ ((int, wchar_t *, struct font_info *)); | |
1055 | static void x_append_glyph P_ ((struct it *)); | |
1056 | static void x_append_composite_glyph P_ ((struct it *)); | |
1057 | static void x_append_stretch_glyph P_ ((struct it *it, Lisp_Object, | |
1058 | int, int, double)); | |
1059 | static void x_produce_glyphs P_ ((struct it *)); | |
1060 | static void x_produce_image_glyph P_ ((struct it *it)); | |
a1b9438c | 1061 | |
a1b9438c | 1062 | |
791f420f JR |
1063 | /* Dealing with bits of wchar_t as if they were an XChar2B. */ |
1064 | #define BUILD_WCHAR_T(byte1, byte2) \ | |
1065 | ((wchar_t)((((byte1) & 0x00ff) << 8) | ((byte2) & 0x00ff))) | |
a1b9438c | 1066 | |
a1b9438c | 1067 | |
791f420f JR |
1068 | #define BYTE1(ch) \ |
1069 | (((ch) & 0xff00) >> 8) | |
a1b9438c | 1070 | |
791f420f JR |
1071 | #define BYTE2(ch) \ |
1072 | ((ch) & 0x00ff) | |
cabb23bc | 1073 | |
791f420f JR |
1074 | |
1075 | /* Get metrics of character CHAR2B in FONT. Value is always non-null. | |
1076 | If CHAR2B is not contained in FONT, the font's default character | |
1077 | metric is returned. If unicode_p is non-zero, use unicode functions, | |
1078 | otherwise use ANSI functions. */ | |
1079 | ||
1080 | static INLINE XCharStruct * | |
1081 | w32_per_char_metric (hdc, font, char2b, unicode_p) | |
1082 | HDC hdc; | |
1083 | XFontStruct *font; | |
1084 | wchar_t *char2b; | |
1085 | int unicode_p; | |
cabb23bc | 1086 | { |
791f420f JR |
1087 | /* The result metric information. */ |
1088 | XCharStruct *pcm; | |
1089 | ABC char_widths; | |
00fe468b | 1090 | SIZE sz; |
791f420f | 1091 | BOOL retval; |
cabb23bc | 1092 | |
791f420f | 1093 | xassert (font && char2b); |
cabb23bc | 1094 | |
791f420f | 1095 | pcm = (XCharStruct *) xmalloc (sizeof (XCharStruct)); |
cabb23bc | 1096 | |
791f420f JR |
1097 | if (font->hfont) |
1098 | SelectObject (hdc, font->hfont); | |
1099 | ||
1100 | if (unicode_p) | |
1101 | retval = GetCharABCWidthsW (hdc, *char2b, *char2b, &char_widths); | |
1102 | else | |
1103 | retval = GetCharABCWidthsA (hdc, *char2b, *char2b, &char_widths); | |
1104 | ||
1105 | if (retval) | |
1106 | { | |
1107 | pcm->width = char_widths.abcA + char_widths.abcB + char_widths.abcC; | |
1108 | pcm->lbearing = char_widths.abcA; | |
1109 | pcm->rbearing = pcm->width - char_widths.abcC; | |
1110 | } | |
1111 | else | |
1112 | { | |
00fe468b JR |
1113 | /* Windows 9x does not implement GetCharABCWidthsW, so if that |
1114 | failed, try GetTextExtentPoint32W, which is implemented and | |
1115 | at least gives us some of the info we are after (total | |
1116 | character width). */ | |
791f420f | 1117 | if (unicode_p) |
00fe468b | 1118 | retval = GetTextExtentPoint32W (hdc, char2b, 1, &sz); |
791f420f JR |
1119 | |
1120 | if (retval) | |
1121 | { | |
00fe468b JR |
1122 | pcm->width = sz.cx; |
1123 | pcm->rbearing = sz.cx; | |
791f420f JR |
1124 | pcm->lbearing = 0; |
1125 | } | |
1126 | else | |
1127 | { | |
1128 | pcm->width = FONT_MAX_WIDTH (font); | |
1129 | pcm->rbearing = FONT_MAX_WIDTH (font); | |
1130 | pcm->lbearing = 0; | |
1131 | } | |
1132 | } | |
1133 | ||
1134 | pcm->ascent = FONT_BASE (font); | |
1135 | pcm->descent = FONT_DESCENT (font); | |
1136 | ||
1137 | return pcm; | |
1138 | } | |
1139 | ||
1140 | ||
1141 | /* Encode CHAR2B using encoding information from FONT_INFO. CHAR2B is | |
1142 | the two-byte form of C. Encoding is returned in *CHAR2B. */ | |
1143 | ||
1144 | static INLINE void | |
1145 | x_encode_char (c, char2b, font_info) | |
1146 | int c; | |
1147 | wchar_t *char2b; | |
1148 | struct font_info *font_info; | |
1149 | { | |
1150 | int charset = CHAR_CHARSET (c); | |
1151 | int codepage; | |
1152 | XFontStruct *font = font_info->font; | |
1153 | ||
1154 | /* FONT_INFO may define a scheme by which to encode byte1 and byte2. | |
1155 | This may be either a program in a special encoder language or a | |
1156 | fixed encoding. */ | |
1157 | if (font_info->font_encoder) | |
1158 | { | |
1159 | /* It's a program. */ | |
1160 | struct ccl_program *ccl = font_info->font_encoder; | |
1161 | ||
1162 | if (CHARSET_DIMENSION (charset) == 1) | |
1163 | { | |
1164 | ccl->reg[0] = charset; | |
1165 | ccl->reg[1] = BYTE2 (*char2b); | |
1166 | } | |
1167 | else | |
1168 | { | |
1169 | ccl->reg[0] = charset; | |
1170 | ccl->reg[1] = BYTE1 (*char2b); | |
1171 | ccl->reg[2] = BYTE2 (*char2b); | |
1172 | } | |
1173 | ||
1174 | ccl_driver (ccl, NULL, NULL, 0, 0, NULL); | |
1175 | ||
1176 | /* We assume that MSBs are appropriately set/reset by CCL | |
1177 | program. */ | |
1178 | /* NTEMACS_TODO : Use GetFontLanguageInfo to determine if | |
1179 | font is double byte. */ | |
1180 | #if 0 | |
1181 | if (FONT_MAX_BYTE1 (font) == 0) /* 1-byte font */ | |
1182 | #endif | |
1183 | *char2b = BUILD_WCHAR_T (0, ccl->reg[1]); | |
1184 | #if 0 | |
1185 | else | |
1186 | *char2b = BUILD_WCHAR_T (ccl->reg[1], ccl->reg[2]); | |
1187 | #endif | |
1188 | } | |
1189 | else if (font_info->encoding[charset]) | |
1190 | { | |
1191 | /* Fixed encoding scheme. See fontset.h for the meaning of the | |
1192 | encoding numbers. */ | |
1193 | int enc = font_info->encoding[charset]; | |
1194 | ||
1195 | if ((enc == 1 || enc == 2) | |
1196 | && CHARSET_DIMENSION (charset) == 2) | |
1197 | *char2b = BUILD_WCHAR_T (BYTE1 (*char2b) | 0x80, BYTE2 (*char2b)); | |
1198 | ||
1199 | if (enc == 1 || enc == 3 | |
1200 | || (enc == 4 && CHARSET_DIMENSION (charset) == 1)) | |
1201 | *char2b = BUILD_WCHAR_T (BYTE1 (*char2b), BYTE2 (*char2b) | 0x80); | |
1202 | else if (enc == 4) | |
1203 | { | |
1204 | int sjis1, sjis2; | |
1205 | ||
1206 | ENCODE_SJIS (BYTE1 (*char2b), BYTE2 (*char2b), | |
1207 | sjis1, sjis2); | |
1208 | *char2b = BUILD_WCHAR_T (sjis1, sjis2); | |
1209 | } | |
1210 | } | |
1211 | codepage = w32_codepage_for_font (font_info->name); | |
1212 | ||
1213 | /* If charset is not ASCII or Latin-1, may need to move it into | |
1214 | Unicode space. */ | |
1215 | if ( font && !font->bdf && w32_use_unicode_for_codepage (codepage) | |
1216 | && charset != CHARSET_ASCII && charset != charset_latin_iso8859_1) | |
1217 | { | |
1218 | char temp[3]; | |
1219 | temp[0] = BYTE1 (*char2b); | |
1220 | temp[1] = BYTE2 (*char2b); | |
1221 | temp[2] = '\0'; | |
1222 | if (temp[0]) | |
1223 | MultiByteToWideChar (codepage, 0, temp, 2, char2b, 1); | |
1224 | else | |
1225 | MultiByteToWideChar (codepage, 0, temp+1, 1, char2b, 1); | |
1226 | } | |
1227 | } | |
1228 | ||
1229 | ||
1230 | /* Get face and two-byte form of character C in face FACE_ID on frame | |
1231 | F. The encoding of C is returned in *CHAR2B. MULTIBYTE_P non-zero | |
1232 | means we want to display multibyte text. Value is a pointer to a | |
1233 | realized face that is ready for display. */ | |
1234 | ||
1235 | static INLINE struct face * | |
1236 | x_get_char_face_and_encoding (f, c, face_id, char2b, multibyte_p) | |
1237 | struct frame *f; | |
1238 | int c, face_id; | |
1239 | wchar_t *char2b; | |
1240 | int multibyte_p; | |
1241 | { | |
1242 | struct face *face = FACE_FROM_ID (f, face_id); | |
1243 | ||
1244 | if (!multibyte_p) | |
1245 | { | |
1246 | /* Unibyte case. We don't have to encode, but we have to make | |
1247 | sure to use a face suitable for unibyte. */ | |
1248 | *char2b = BUILD_WCHAR_T (0, c); | |
1249 | ||
1250 | if (!FACE_SUITABLE_FOR_CHARSET_P (face, -1)) | |
1251 | { | |
1252 | face_id = FACE_FOR_CHARSET (f, face_id, -1); | |
1253 | face = FACE_FROM_ID (f, face_id); | |
1254 | } | |
1255 | } | |
1256 | else if (c < 128 && face_id < BASIC_FACE_ID_SENTINEL) | |
1257 | { | |
1258 | /* Case of ASCII in a face known to fit ASCII. */ | |
1259 | *char2b = BUILD_WCHAR_T (0, c); | |
1260 | } | |
1261 | else | |
1262 | { | |
1263 | int c1, c2, charset; | |
1264 | ||
1265 | /* Split characters into bytes. If c2 is -1 afterwards, C is | |
1266 | really a one-byte character so that byte1 is zero. */ | |
1267 | SPLIT_CHAR (c, charset, c1, c2); | |
1268 | if (c2 > 0) | |
1269 | *char2b = BUILD_WCHAR_T (c1, c2); | |
1270 | else | |
1271 | *char2b = BUILD_WCHAR_T (0, c1); | |
1272 | ||
1273 | /* Get the face for displaying C. If `face' is not suitable for | |
1274 | charset, get the one that fits. (This can happen for the | |
1275 | translations of a composition where the glyph | |
1276 | specifies a face for the first component, but the other | |
1277 | components have a different charset.) */ | |
1278 | if (!FACE_SUITABLE_FOR_CHARSET_P (face, charset)) | |
1279 | { | |
1280 | face_id = FACE_FOR_CHARSET (f, face_id, charset); | |
1281 | face = FACE_FROM_ID (f, face_id); | |
1282 | } | |
1283 | ||
1284 | /* Maybe encode the character in *CHAR2B. */ | |
1285 | if (charset != CHARSET_ASCII) | |
1286 | { | |
1287 | struct font_info *font_info | |
1288 | = FONT_INFO_FROM_ID (f, face->font_info_id); | |
1289 | if (font_info) | |
1290 | { | |
1291 | x_encode_char (c, char2b, font_info); | |
00fe468b | 1292 | #if 0 /* NTEMACS_TODO: Isn't this undoing what we just did? Investigate. */ |
791f420f JR |
1293 | if (charset == charset_latin_iso8859_1) |
1294 | *char2b = BUILD_WCHAR_T (BYTE1 (*char2b), | |
1295 | BYTE2 (*char2b) | 0x80); | |
00fe468b | 1296 | #endif |
791f420f JR |
1297 | } |
1298 | } | |
1299 | } | |
1300 | ||
1301 | /* Make sure X resources of the face are allocated. */ | |
1302 | xassert (face != NULL); | |
1303 | PREPARE_FACE_FOR_DISPLAY (f, face); | |
1304 | ||
1305 | return face; | |
1306 | } | |
1307 | ||
1308 | ||
1309 | /* Get face and two-byte form of character glyph GLYPH on frame F. | |
1310 | The encoding of GLYPH->u.ch is returned in *CHAR2B. Value is | |
1311 | a pointer to a realized face that is ready for display. */ | |
1312 | ||
1313 | static INLINE struct face * | |
1314 | x_get_glyph_face_and_encoding (f, glyph, char2b) | |
1315 | struct frame *f; | |
1316 | struct glyph *glyph; | |
1317 | wchar_t *char2b; | |
1318 | { | |
1319 | struct face *face; | |
1320 | ||
1321 | xassert (glyph->type == CHAR_GLYPH); | |
1322 | face = FACE_FROM_ID (f, glyph->face_id); | |
1323 | ||
1324 | if (!glyph->multibyte_p) | |
1325 | { | |
1326 | /* Unibyte case. We don't have to encode, but we have to make | |
1327 | sure to use a face suitable for unibyte. */ | |
1328 | *char2b = BUILD_WCHAR_T (0, glyph->u.ch); | |
1329 | } | |
1330 | else if (glyph->u.ch < 128 | |
1331 | && glyph->face_id < BASIC_FACE_ID_SENTINEL) | |
1332 | { | |
1333 | /* Case of ASCII in a face known to fit ASCII. */ | |
1334 | *char2b = BUILD_WCHAR_T (0, glyph->u.ch); | |
1335 | } | |
1336 | else | |
1337 | { | |
1338 | int c1, c2, charset; | |
1339 | ||
1340 | /* Split characters into bytes. If c2 is -1 afterwards, C is | |
1341 | really a one-byte character so that byte1 is zero. */ | |
1342 | SPLIT_CHAR (glyph->u.ch, charset, c1, c2); | |
1343 | if (c2 > 0) | |
1344 | *char2b = BUILD_WCHAR_T (c1, c2); | |
1345 | else | |
1346 | *char2b = BUILD_WCHAR_T (0, c1); | |
1347 | ||
1348 | /* Maybe encode the character in *CHAR2B. */ | |
1349 | if (charset != CHARSET_ASCII) | |
1350 | { | |
1351 | struct font_info *font_info | |
1352 | = FONT_INFO_FROM_ID (f, face->font_info_id); | |
1353 | if (font_info) | |
1354 | { | |
1355 | x_encode_char (glyph->u.ch, char2b, font_info); | |
00fe468b | 1356 | #if 0 /* NTEMACS_TODO: Isn't this undoing what we just did? Investigate. */ |
791f420f JR |
1357 | if (charset == charset_latin_iso8859_1) |
1358 | *char2b = BUILD_WCHAR_T (BYTE1 (*char2b), | |
1359 | BYTE2 (*char2b) | 0x80); | |
00fe468b | 1360 | #endif |
791f420f JR |
1361 | } |
1362 | } | |
1363 | } | |
1364 | ||
1365 | /* Make sure X resources of the face are allocated. */ | |
1366 | xassert (face != NULL); | |
1367 | PREPARE_FACE_FOR_DISPLAY (f, face); | |
1368 | return face; | |
1369 | } | |
1370 | ||
1371 | ||
1372 | /* Store one glyph for IT->char_to_display in IT->glyph_row. | |
1373 | Called from x_produce_glyphs when IT->glyph_row is non-null. */ | |
1374 | ||
1375 | static INLINE void | |
1376 | x_append_glyph (it) | |
1377 | struct it *it; | |
1378 | { | |
1379 | struct glyph *glyph; | |
1380 | enum glyph_row_area area = it->area; | |
1381 | ||
1382 | xassert (it->glyph_row); | |
1383 | xassert (it->char_to_display != '\n' && it->char_to_display != '\t'); | |
1384 | ||
1385 | glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area]; | |
1386 | if (glyph < it->glyph_row->glyphs[area + 1]) | |
1387 | { | |
1388 | /* Play it safe. If sub-structures of the glyph are not all the | |
1389 | same size, it otherwise be that some bits stay set. This | |
1390 | would prevent a comparison with GLYPH_EQUAL_P. */ | |
1391 | glyph->u.val = 0; | |
1392 | ||
1393 | glyph->type = CHAR_GLYPH; | |
1394 | glyph->pixel_width = it->pixel_width; | |
1395 | glyph->u.ch = it->char_to_display; | |
1396 | glyph->face_id = it->face_id; | |
1397 | glyph->charpos = CHARPOS (it->position); | |
1398 | glyph->object = it->object; | |
1399 | glyph->left_box_line_p = it->start_of_box_run_p; | |
1400 | glyph->right_box_line_p = it->end_of_box_run_p; | |
1401 | glyph->voffset = it->voffset; | |
1402 | glyph->multibyte_p = it->multibyte_p; | |
1403 | glyph->overlaps_vertically_p = (it->phys_ascent > it->ascent | |
1404 | || it->phys_descent > it->descent); | |
1405 | ++it->glyph_row->used[area]; | |
1406 | } | |
1407 | } | |
1408 | ||
1409 | /* Store one glyph for the composition IT->cmp_id in IT->glyph_row. | |
1410 | Called from x_produce_glyphs when IT->glyph_row is non-null. */ | |
1411 | ||
1412 | static INLINE void | |
1413 | x_append_composite_glyph (it) | |
1414 | struct it *it; | |
1415 | { | |
1416 | struct glyph *glyph; | |
1417 | enum glyph_row_area area = it->area; | |
1418 | ||
1419 | xassert (it->glyph_row); | |
1420 | ||
1421 | glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area]; | |
1422 | if (glyph < it->glyph_row->glyphs[area + 1]) | |
1423 | { | |
1424 | /* Play it safe. If sub-structures of the glyph are not all the | |
1425 | same size, it otherwise be that some bits stay set. This | |
1426 | would prevent a comparison with GLYPH_EQUAL_P. */ | |
1427 | glyph->u.val = 0; | |
1428 | ||
1429 | glyph->type = COMPOSITE_GLYPH; | |
1430 | glyph->pixel_width = it->pixel_width; | |
1431 | glyph->u.cmp_id = it->cmp_id; | |
1432 | glyph->face_id = it->face_id; | |
1433 | glyph->charpos = CHARPOS (it->position); | |
1434 | glyph->object = it->object; | |
1435 | glyph->left_box_line_p = it->start_of_box_run_p; | |
1436 | glyph->right_box_line_p = it->end_of_box_run_p; | |
1437 | glyph->voffset = it->voffset; | |
1438 | glyph->multibyte_p = it->multibyte_p; | |
1439 | glyph->overlaps_vertically_p = (it->phys_ascent > it->ascent | |
1440 | || it->phys_descent > it->descent); | |
1441 | ++it->glyph_row->used[area]; | |
1442 | } | |
1443 | } | |
1444 | ||
1445 | ||
1446 | /* Change IT->ascent and IT->height according to the setting of | |
1447 | IT->voffset. */ | |
1448 | ||
1449 | static INLINE void | |
1450 | take_vertical_position_into_account (it) | |
1451 | struct it *it; | |
1452 | { | |
1453 | if (it->voffset) | |
1454 | { | |
1455 | if (it->voffset < 0) | |
1456 | /* Increase the ascent so that we can display the text higher | |
1457 | in the line. */ | |
1458 | it->ascent += abs (it->voffset); | |
1459 | else | |
1460 | /* Increase the descent so that we can display the text lower | |
1461 | in the line. */ | |
1462 | it->descent += it->voffset; | |
1463 | } | |
1464 | } | |
1465 | ||
1466 | ||
1467 | /* Produce glyphs/get display metrics for the image IT is loaded with. | |
1468 | See the description of struct display_iterator in dispextern.h for | |
1469 | an overview of struct display_iterator. */ | |
1470 | ||
1471 | static void | |
1472 | x_produce_image_glyph (it) | |
1473 | struct it *it; | |
1474 | { | |
1475 | struct image *img; | |
1476 | struct face *face; | |
1477 | ||
1478 | xassert (it->what == IT_IMAGE); | |
1479 | ||
1480 | face = FACE_FROM_ID (it->f, it->face_id); | |
1481 | img = IMAGE_FROM_ID (it->f, it->image_id); | |
1482 | xassert (img); | |
1483 | ||
1484 | /* Make sure X resources of the face and image are loaded. */ | |
1485 | PREPARE_FACE_FOR_DISPLAY (it->f, face); | |
1486 | prepare_image_for_display (it->f, img); | |
1487 | ||
1488 | it->ascent = it->phys_ascent = IMAGE_ASCENT (img); | |
1489 | it->descent = it->phys_descent = img->height + 2 * img->margin - it->ascent; | |
1490 | it->pixel_width = img->width + 2 * img->margin; | |
1491 | ||
1492 | it->nglyphs = 1; | |
1493 | ||
1494 | if (face->box != FACE_NO_BOX) | |
1495 | { | |
1496 | it->ascent += face->box_line_width; | |
1497 | it->descent += face->box_line_width; | |
1498 | ||
1499 | if (it->start_of_box_run_p) | |
1500 | it->pixel_width += face->box_line_width; | |
1501 | if (it->end_of_box_run_p) | |
1502 | it->pixel_width += face->box_line_width; | |
1503 | } | |
1504 | ||
1505 | take_vertical_position_into_account (it); | |
1506 | ||
1507 | if (it->glyph_row) | |
1508 | { | |
1509 | struct glyph *glyph; | |
1510 | enum glyph_row_area area = it->area; | |
1511 | ||
1512 | glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area]; | |
1513 | if (glyph < it->glyph_row->glyphs[area + 1]) | |
1514 | { | |
1515 | glyph->type = IMAGE_GLYPH; | |
1516 | glyph->u.img_id = img->id; | |
1517 | glyph->face_id = it->face_id; | |
1518 | glyph->pixel_width = it->pixel_width; | |
1519 | glyph->charpos = CHARPOS (it->position); | |
1520 | glyph->object = it->object; | |
1521 | glyph->left_box_line_p = it->start_of_box_run_p; | |
1522 | glyph->right_box_line_p = it->end_of_box_run_p; | |
1523 | glyph->voffset = it->voffset; | |
1524 | glyph->multibyte_p = it->multibyte_p; | |
1525 | ++it->glyph_row->used[area]; | |
1526 | } | |
1527 | } | |
1528 | } | |
1529 | ||
1530 | ||
1531 | /* Append a stretch glyph to IT->glyph_row. OBJECT is the source | |
1532 | of the glyph, WIDTH and HEIGHT are the width and height of the | |
1533 | stretch. ASCENT is the percentage/100 of HEIGHT to use for the | |
1534 | ascent of the glyph (0 <= ASCENT <= 1). */ | |
1535 | ||
1536 | static void | |
1537 | x_append_stretch_glyph (it, object, width, height, ascent) | |
1538 | struct it *it; | |
1539 | Lisp_Object object; | |
1540 | int width, height; | |
1541 | double ascent; | |
1542 | { | |
1543 | struct glyph *glyph; | |
1544 | enum glyph_row_area area = it->area; | |
1545 | ||
1546 | xassert (ascent >= 0 && ascent <= 1); | |
1547 | ||
1548 | glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area]; | |
1549 | if (glyph < it->glyph_row->glyphs[area + 1]) | |
1550 | { | |
1551 | glyph->type = STRETCH_GLYPH; | |
1552 | glyph->u.stretch.ascent = height * ascent; | |
1553 | glyph->u.stretch.height = height; | |
1554 | glyph->face_id = it->face_id; | |
1555 | glyph->pixel_width = width; | |
1556 | glyph->charpos = CHARPOS (it->position); | |
1557 | glyph->object = object; | |
1558 | glyph->left_box_line_p = it->start_of_box_run_p; | |
1559 | glyph->right_box_line_p = it->end_of_box_run_p; | |
1560 | glyph->voffset = it->voffset; | |
1561 | glyph->multibyte_p = it->multibyte_p; | |
1562 | ++it->glyph_row->used[area]; | |
1563 | } | |
1564 | } | |
1565 | ||
1566 | ||
1567 | /* Produce a stretch glyph for iterator IT. IT->object is the value | |
1568 | of the glyph property displayed. The value must be a list | |
1569 | `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs | |
1570 | being recognized: | |
1571 | ||
1572 | 1. `:width WIDTH' specifies that the space should be WIDTH * | |
1573 | canonical char width wide. WIDTH may be an integer or floating | |
1574 | point number. | |
1575 | ||
1576 | 2. `:relative-width FACTOR' specifies that the width of the stretch | |
1577 | should be computed from the width of the first character having the | |
1578 | `glyph' property, and should be FACTOR times that width. | |
1579 | ||
1580 | 3. `:align-to HPOS' specifies that the space should be wide enough | |
1581 | to reach HPOS, a value in canonical character units. | |
1582 | ||
1583 | Exactly one of the above pairs must be present. | |
1584 | ||
1585 | 4. `:height HEIGHT' specifies that the height of the stretch produced | |
1586 | should be HEIGHT, measured in canonical character units. | |
1587 | ||
1588 | 5. `:relative-height FACTOR' specifies that the height of the the | |
1589 | stretch should be FACTOR times the height of the characters having | |
1590 | the glyph property. | |
1591 | ||
1592 | Either none or exactly one of 4 or 5 must be present. | |
1593 | ||
1594 | 6. `:ascent ASCENT' specifies that ASCENT percent of the height | |
1595 | of the stretch should be used for the ascent of the stretch. | |
1596 | ASCENT must be in the range 0 <= ASCENT <= 100. */ | |
1597 | ||
1598 | #define NUMVAL(X) \ | |
1599 | ((INTEGERP (X) || FLOATP (X)) \ | |
1600 | ? XFLOATINT (X) \ | |
1601 | : - 1) | |
1602 | ||
1603 | ||
1604 | static void | |
1605 | x_produce_stretch_glyph (it) | |
1606 | struct it *it; | |
1607 | { | |
1608 | /* (space :width WIDTH :height HEIGHT. */ | |
1609 | extern Lisp_Object QCwidth, QCheight, QCascent, Qspace; | |
1610 | extern Lisp_Object QCrelative_width, QCrelative_height; | |
1611 | extern Lisp_Object QCalign_to; | |
1612 | Lisp_Object prop, plist; | |
1613 | double width = 0, height = 0, ascent = 0; | |
1614 | struct face *face = FACE_FROM_ID (it->f, it->face_id); | |
1615 | XFontStruct *font = face->font ? face->font : FRAME_FONT (it->f); | |
1616 | ||
1617 | PREPARE_FACE_FOR_DISPLAY (it->f, face); | |
1618 | ||
1619 | /* List should start with `space'. */ | |
1620 | xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace)); | |
1621 | plist = XCDR (it->object); | |
1622 | ||
1623 | /* Compute the width of the stretch. */ | |
1624 | if (prop = Fplist_get (plist, QCwidth), | |
1625 | NUMVAL (prop) > 0) | |
1626 | /* Absolute width `:width WIDTH' specified and valid. */ | |
1627 | width = NUMVAL (prop) * CANON_X_UNIT (it->f); | |
1628 | else if (prop = Fplist_get (plist, QCrelative_width), | |
1629 | NUMVAL (prop) > 0) | |
1630 | { | |
1631 | /* Relative width `:relative-width FACTOR' specified and valid. | |
1632 | Compute the width of the characters having the `glyph' | |
1633 | property. */ | |
1634 | struct it it2; | |
1635 | unsigned char *p = BYTE_POS_ADDR (IT_BYTEPOS (*it)); | |
1636 | ||
1637 | it2 = *it; | |
1638 | if (it->multibyte_p) | |
1639 | { | |
1640 | int maxlen = ((IT_BYTEPOS (*it) >= GPT ? ZV : GPT) | |
1641 | - IT_BYTEPOS (*it)); | |
1642 | it2.c = STRING_CHAR_AND_LENGTH (p, maxlen, it2.len); | |
1643 | } | |
1644 | else | |
1645 | it2.c = *p, it2.len = 1; | |
1646 | ||
1647 | it2.glyph_row = NULL; | |
1648 | it2.what = IT_CHARACTER; | |
1649 | x_produce_glyphs (&it2); | |
1650 | width = NUMVAL (prop) * it2.pixel_width; | |
1651 | } | |
1652 | else if (prop = Fplist_get (plist, QCalign_to), | |
1653 | NUMVAL (prop) > 0) | |
1654 | width = NUMVAL (prop) * CANON_X_UNIT (it->f) - it->current_x; | |
1655 | else | |
1656 | /* Nothing specified -> width defaults to canonical char width. */ | |
1657 | width = CANON_X_UNIT (it->f); | |
1658 | ||
1659 | /* Compute height. */ | |
1660 | if (prop = Fplist_get (plist, QCheight), | |
1661 | NUMVAL (prop) > 0) | |
1662 | height = NUMVAL (prop) * CANON_Y_UNIT (it->f); | |
1663 | else if (prop = Fplist_get (plist, QCrelative_height), | |
1664 | NUMVAL (prop) > 0) | |
1665 | height = FONT_HEIGHT (font) * NUMVAL (prop); | |
1666 | else | |
1667 | height = FONT_HEIGHT (font); | |
1668 | ||
1669 | /* Compute percentage of height used for ascent. If | |
1670 | `:ascent ASCENT' is present and valid, use that. Otherwise, | |
1671 | derive the ascent from the font in use. */ | |
1672 | if (prop = Fplist_get (plist, QCascent), | |
1673 | NUMVAL (prop) > 0 && NUMVAL (prop) <= 100) | |
1674 | ascent = NUMVAL (prop) / 100.0; | |
1675 | else | |
1676 | ascent = (double) FONT_BASE (font) / FONT_HEIGHT (font); | |
1677 | ||
1678 | if (width <= 0) | |
1679 | width = 1; | |
1680 | if (height <= 0) | |
1681 | height = 1; | |
1682 | ||
1683 | if (it->glyph_row) | |
1684 | { | |
1685 | Lisp_Object object = it->stack[it->sp - 1].string; | |
1686 | if (!STRINGP (object)) | |
1687 | object = it->w->buffer; | |
1688 | x_append_stretch_glyph (it, object, width, height, ascent); | |
1689 | } | |
1690 | ||
1691 | it->pixel_width = width; | |
1692 | it->ascent = it->phys_ascent = height * ascent; | |
1693 | it->descent = it->phys_descent = height - it->ascent; | |
1694 | it->nglyphs = 1; | |
1695 | ||
1696 | if (face->box != FACE_NO_BOX) | |
1697 | { | |
1698 | it->ascent += face->box_line_width; | |
1699 | it->descent += face->box_line_width; | |
1700 | ||
1701 | if (it->start_of_box_run_p) | |
1702 | it->pixel_width += face->box_line_width; | |
1703 | if (it->end_of_box_run_p) | |
1704 | it->pixel_width += face->box_line_width; | |
1705 | } | |
1706 | ||
1707 | take_vertical_position_into_account (it); | |
1708 | } | |
1709 | ||
1710 | /* Return proper value to be used as baseline offset of font that has | |
1711 | ASCENT and DESCENT to draw characters by the font at the vertical | |
1712 | center of the line of frame F. | |
1713 | ||
1714 | Here, out task is to find the value of BOFF in the following figure; | |
1715 | ||
1716 | -------------------------+-----------+- | |
1717 | -+-+---------+-+ | | | |
1718 | | | | | | | | |
1719 | | | | | F_ASCENT F_HEIGHT | |
1720 | | | | ASCENT | | | |
1721 | HEIGHT | | | | | | |
1722 | | | |-|-+------+-----------|------- baseline | |
1723 | | | | | BOFF | | | |
1724 | | |---------|-+-+ | | | |
1725 | | | | DESCENT | | | |
1726 | -+-+---------+-+ F_DESCENT | | |
1727 | -------------------------+-----------+- | |
1728 | ||
1729 | -BOFF + DESCENT + (F_HEIGHT - HEIGHT) / 2 = F_DESCENT | |
1730 | BOFF = DESCENT + (F_HEIGHT - HEIGHT) / 2 - F_DESCENT | |
1731 | DESCENT = FONT->descent | |
1732 | HEIGHT = FONT_HEIGHT (FONT) | |
1733 | F_DESCENT = (F->output_data.x->font->descent | |
1734 | - F->output_data.x->baseline_offset) | |
1735 | F_HEIGHT = FRAME_LINE_HEIGHT (F) | |
1736 | */ | |
1737 | ||
1738 | #define VCENTER_BASELINE_OFFSET(FONT, F) \ | |
1739 | (FONT_DESCENT (FONT) \ | |
1740 | + (FRAME_LINE_HEIGHT ((F)) - FONT_HEIGHT ((FONT))) / 2 \ | |
1741 | - (FONT_DESCENT (FRAME_FONT (F)) - FRAME_BASELINE_OFFSET (F))) | |
1742 | ||
1743 | /* Produce glyphs/get display metrics for the display element IT is | |
1744 | loaded with. See the description of struct display_iterator in | |
1745 | dispextern.h for an overview of struct display_iterator. */ | |
1746 | ||
1747 | static void | |
1748 | x_produce_glyphs (it) | |
1749 | struct it *it; | |
1750 | { | |
1751 | if (it->what == IT_CHARACTER) | |
1752 | { | |
1753 | wchar_t char2b; | |
1754 | XFontStruct *font; | |
1755 | struct face *face; | |
1756 | XCharStruct *pcm; | |
00fe468b | 1757 | int font_not_found_p; |
791f420f JR |
1758 | struct font_info *font_info; |
1759 | int boff; /* baseline offset */ | |
1760 | HDC hdc; | |
1761 | ||
1762 | hdc = get_frame_dc (it->f); | |
1763 | ||
1764 | /* Maybe translate single-byte characters to multibyte. */ | |
1765 | it->char_to_display = it->c; | |
1766 | if (unibyte_display_via_language_environment | |
1767 | && SINGLE_BYTE_CHAR_P (it->c) | |
1768 | && (it->c >= 0240 | |
1769 | || (it->c >= 0200 | |
1770 | && !NILP (Vnonascii_translation_table)))) | |
1771 | { | |
1772 | it->char_to_display = unibyte_char_to_multibyte (it->c); | |
1773 | it->charset = CHAR_CHARSET (it->char_to_display); | |
1774 | } | |
1775 | ||
1776 | /* Get face and font to use. Encode IT->char_to_display. */ | |
1777 | face = x_get_char_face_and_encoding (it->f, it->char_to_display, | |
1778 | it->face_id, &char2b, | |
1779 | it->multibyte_p); | |
1780 | font = face->font; | |
1781 | ||
1782 | /* When no suitable font found, use the default font. */ | |
1783 | font_not_found_p = font == NULL; | |
1784 | if (font_not_found_p) | |
1785 | { | |
1786 | font = FRAME_FONT (it->f); | |
1787 | boff = it->f->output_data.w32->baseline_offset; | |
1788 | font_info = NULL; | |
1789 | } | |
1790 | else | |
1791 | { | |
1792 | font_info = FONT_INFO_FROM_ID (it->f, face->font_info_id); | |
1793 | boff = font_info->baseline_offset; | |
1794 | if (font_info->vertical_centering) | |
1795 | boff = VCENTER_BASELINE_OFFSET (font, it->f) - boff; | |
1796 | } | |
1797 | ||
1798 | if (font->hfont) | |
1799 | SelectObject (hdc, font->hfont); | |
1800 | ||
1801 | if (it->char_to_display >= ' ' | |
1802 | && (!it->multibyte_p || it->char_to_display < 128)) | |
1803 | { | |
1804 | /* Either unibyte or ASCII. */ | |
1805 | int stretched_p; | |
1806 | ||
1807 | it->nglyphs = 1; | |
1808 | ||
1809 | pcm = w32_per_char_metric (hdc, font, &char2b, 0); | |
1810 | it->ascent = FONT_BASE (font) + boff; | |
1811 | it->descent = FONT_DESCENT (font) - boff; | |
1812 | it->phys_ascent = pcm->ascent + boff; | |
1813 | it->phys_descent = pcm->descent - boff; | |
1814 | it->pixel_width = pcm->width; | |
1815 | ||
1816 | /* If this is a space inside a region of text with | |
1817 | `space-width' property, change its width. */ | |
1818 | stretched_p = it->char_to_display == ' ' && !NILP (it->space_width); | |
1819 | if (stretched_p) | |
1820 | it->pixel_width *= XFLOATINT (it->space_width); | |
1821 | ||
1822 | /* If face has a box, add the box thickness to the character | |
1823 | height. If character has a box line to the left and/or | |
1824 | right, add the box line width to the character's width. */ | |
1825 | if (face->box != FACE_NO_BOX) | |
1826 | { | |
1827 | int thick = face->box_line_width; | |
1828 | ||
1829 | it->ascent += thick; | |
1830 | it->descent += thick; | |
1831 | ||
1832 | if (it->start_of_box_run_p) | |
1833 | it->pixel_width += thick; | |
1834 | if (it->end_of_box_run_p) | |
1835 | it->pixel_width += thick; | |
1836 | } | |
1837 | ||
1838 | /* If face has an overline, add the height of the overline | |
1839 | (1 pixel) and a 1 pixel margin to the character height. */ | |
1840 | if (face->overline_p) | |
1841 | it->ascent += 2; | |
1842 | ||
1843 | take_vertical_position_into_account (it); | |
1844 | ||
1845 | /* If we have to actually produce glyphs, do it. */ | |
1846 | if (it->glyph_row) | |
1847 | { | |
1848 | if (stretched_p) | |
1849 | { | |
1850 | /* Translate a space with a `space-width' property | |
1851 | into a stretch glyph. */ | |
1852 | double ascent = (double) FONT_BASE (font) | |
1853 | / FONT_HEIGHT (font); | |
1854 | x_append_stretch_glyph (it, it->object, it->pixel_width, | |
1855 | it->ascent + it->descent, ascent); | |
1856 | } | |
1857 | else | |
1858 | x_append_glyph (it); | |
1859 | ||
1860 | /* If characters with lbearing or rbearing are displayed | |
1861 | in this line, record that fact in a flag of the | |
1862 | glyph row. This is used to optimize X output code. */ | |
1863 | if (pcm->lbearing < 0 | |
1864 | || pcm->rbearing > pcm->width) | |
1865 | it->glyph_row->contains_overlapping_glyphs_p = 1; | |
1866 | } | |
1867 | } | |
1868 | else if (it->char_to_display == '\n') | |
1869 | { | |
1870 | /* A newline has no width but we need the height of the line. */ | |
1871 | it->pixel_width = 0; | |
1872 | it->nglyphs = 0; | |
1873 | it->ascent = it->phys_ascent = FONT_BASE (font) + boff; | |
1874 | it->descent = it->phys_descent = FONT_DESCENT (font) - boff; | |
1875 | ||
1876 | if (face->box != FACE_NO_BOX) | |
1877 | { | |
1878 | int thick = face->box_line_width; | |
1879 | it->ascent += thick; | |
1880 | it->descent += thick; | |
1881 | } | |
1882 | } | |
1883 | else if (it->char_to_display == '\t') | |
1884 | { | |
1885 | int tab_width = it->tab_width * CANON_X_UNIT (it->f); | |
1886 | int x = (it->current_x | |
1887 | - it->prompt_width | |
1888 | + it->continuation_lines_width); | |
1889 | int next_tab_x = ((1 + x + tab_width - 1) / tab_width) * tab_width; | |
1890 | ||
1891 | it->pixel_width = next_tab_x - x; | |
1892 | it->nglyphs = 1; | |
1893 | it->ascent = it->phys_ascent = FONT_BASE (font) + boff; | |
1894 | it->descent = it->phys_descent = FONT_DESCENT (font) - boff; | |
1895 | ||
1896 | if (it->glyph_row) | |
1897 | { | |
1898 | double ascent = (double) it->ascent / (it->ascent + it->descent); | |
1899 | x_append_stretch_glyph (it, it->object, it->pixel_width, | |
1900 | it->ascent + it->descent, ascent); | |
1901 | } | |
1902 | } | |
1903 | else | |
1904 | { | |
00fe468b JR |
1905 | /* A multi-byte character. |
1906 | If we found a font, this font should give us the right | |
791f420f JR |
1907 | metrics. If we didn't find a font, use the frame's |
1908 | default font and calculate the width of the character | |
1909 | from the charset width; this is what old redisplay code | |
1910 | did. */ | |
791f420f | 1911 | if (font_not_found_p) |
00fe468b JR |
1912 | { |
1913 | wchar_t dummy = BUILD_WCHAR_T (0, 'X'); | |
1914 | ||
1915 | /* Get some metrics for the default font. */ | |
1916 | pcm = w32_per_char_metric (hdc, font, &dummy, 0); | |
1917 | ||
1918 | /* Ignore the width obtained above, and use the average | |
1919 | width of a character in the default font. */ | |
1920 | it->pixel_width = FONT_WIDTH (font) | |
1921 | * CHARSET_WIDTH (it->charset); | |
1922 | } | |
1923 | else | |
1924 | { | |
1925 | pcm = w32_per_char_metric (hdc, font, &char2b, 1); | |
1926 | it->pixel_width = pcm->width; | |
1927 | } | |
1928 | ||
791f420f JR |
1929 | it->nglyphs = 1; |
1930 | it->ascent = FONT_BASE (font) + boff; | |
1931 | it->descent = FONT_DESCENT (font) - boff; | |
1932 | it->phys_ascent = pcm->ascent + boff; | |
1933 | it->phys_descent = pcm->descent - boff; | |
1934 | if (it->glyph_row | |
1935 | && (pcm->lbearing < 0 | |
1936 | || pcm->rbearing > pcm->width)) | |
1937 | it->glyph_row->contains_overlapping_glyphs_p = 1; | |
00fe468b | 1938 | |
791f420f JR |
1939 | if (face->box != FACE_NO_BOX) |
1940 | { | |
1941 | int thick = face->box_line_width; | |
1942 | it->ascent += thick; | |
1943 | it->descent += thick; | |
1944 | ||
1945 | if (it->start_of_box_run_p) | |
1946 | it->pixel_width += thick; | |
1947 | if (it->end_of_box_run_p) | |
1948 | it->pixel_width += thick; | |
1949 | } | |
1950 | ||
1951 | /* If face has an overline, add the height of the overline | |
1952 | (1 pixel) and a 1 pixel margin to the character height. */ | |
1953 | if (face->overline_p) | |
1954 | it->ascent += 2; | |
1955 | ||
1956 | take_vertical_position_into_account (it); | |
1957 | ||
1958 | if (it->glyph_row) | |
1959 | x_append_glyph (it); | |
1960 | } | |
1961 | release_frame_dc (it->f, hdc); | |
1962 | } | |
1963 | else if (it->what == IT_COMPOSITION) | |
1964 | { | |
1965 | #if 0 /* NTEMACS_TODO: Composite glyphs. */ | |
1966 | /* Note: A composition is represented as one glyph in the | |
1967 | glyph matrix. There are no padding glyphs. */ | |
1968 | XChar2b char2b; | |
1969 | XFontStruct *font; | |
1970 | struct face *face; | |
1971 | XCharStruct *pcm; | |
1972 | int font_not_found_p; | |
1973 | struct font_info *font_info; | |
1974 | int boff; /* baseline offset */ | |
1975 | struct composition *cmp = composition_table[it->cmp_id]; | |
1976 | ||
1977 | /* Maybe translate single-byte characters to multibyte. */ | |
1978 | it->char_to_display = it->c; | |
1979 | if (unibyte_display_via_language_environment | |
1980 | && SINGLE_BYTE_CHAR_P (it->c) | |
1981 | && (it->c >= 0240 | |
1982 | || (it->c >= 0200 | |
1983 | && !NILP (Vnonascii_translation_table)))) | |
1984 | { | |
1985 | it->char_to_display = unibyte_char_to_multibyte (it->c); | |
1986 | it->charset = CHAR_CHARSET (it->char_to_display); | |
1987 | } | |
1988 | ||
1989 | /* Get face and font to use. Encode IT->char_to_display. */ | |
1990 | face = x_get_char_face_and_encoding (it->f, it->char_to_display, | |
1991 | it->face_id, &char2b, | |
1992 | it->multibyte_p); | |
1993 | font = face->font; | |
1994 | ||
1995 | /* When no suitable font found, use the default font. */ | |
1996 | font_not_found_p = font == NULL; | |
1997 | if (font_not_found_p) | |
1998 | { | |
1999 | font = FRAME_FONT (it->f); | |
2000 | boff = it->f->output_data.x->baseline_offset; | |
2001 | font_info = NULL; | |
2002 | } | |
2003 | else | |
2004 | { | |
2005 | font_info = FONT_INFO_FROM_ID (it->f, face->font_info_id); | |
2006 | boff = font_info->baseline_offset; | |
2007 | if (font_info->vertical_centering) | |
2008 | boff = VCENTER_BASELINE_OFFSET (font, it->f) - boff; | |
2009 | } | |
2010 | ||
2011 | /* There are no padding glyphs, so there is only one glyph to | |
2012 | produce for the composition. Important is that pixel_width, | |
2013 | ascent and descent are the values of what is drawn by | |
2014 | draw_glyphs (i.e. the values of the overall glyphs composed). */ | |
2015 | it->nglyphs = 1; | |
2016 | ||
2017 | /* If we have not yet calculated pixel size data of glyphs of | |
2018 | the composition for the current face font, calculate them | |
2019 | now. Theoretically, we have to check all fonts for the | |
2020 | glyphs, but that requires much time and memory space. So, | |
2021 | here we check only the font of the first glyph. This leads | |
2022 | to incorrect display very rarely, and C-l (recenter) can | |
2023 | correct the display anyway. */ | |
2024 | if (cmp->font != (void *) font) | |
2025 | { | |
2026 | /* Ascent and descent of the font of the first character of | |
2027 | this composition (adjusted by baseline offset). Ascent | |
2028 | and descent of overall glyphs should not be less than | |
2029 | them respectively. */ | |
2030 | int font_ascent = font->ascent + boff; | |
2031 | int font_descent = font->descent - boff; | |
2032 | /* Bounding box of the overall glyphs. */ | |
2033 | int leftmost, rightmost, lowest, highest; | |
2034 | int i; | |
2035 | ||
2036 | cmp->font = (void *) font; | |
2037 | ||
2038 | /* Initialize the bounding box. */ | |
2039 | pcm = x_per_char_metric (font, &char2b); | |
2040 | leftmost = 0; | |
2041 | rightmost = pcm->width; | |
2042 | lowest = - pcm->descent + boff; | |
2043 | highest = pcm->ascent + boff; | |
2044 | if (font_info | |
2045 | && font_info->default_ascent | |
2046 | && CHAR_TABLE_P (Vuse_default_ascent) | |
2047 | && !NILP (Faref (Vuse_default_ascent, | |
2048 | make_number (it->char_to_display)))) | |
2049 | highest = font_info->default_ascent + boff; | |
2050 | ||
2051 | /* Draw the first glyph at the normal position. It may be | |
2052 | shifted to right later if some other glyphs are drawn at | |
2053 | the left. */ | |
2054 | cmp->offsets[0] = 0; | |
2055 | cmp->offsets[1] = boff; | |
2056 | ||
2057 | /* Set cmp->offsets for the remaining glyphs. */ | |
2058 | for (i = 1; i < cmp->glyph_len; i++) | |
2059 | { | |
2060 | int left, right, btm, top; | |
2061 | int ch = COMPOSITION_GLYPH (cmp, i); | |
2062 | ||
2063 | face = x_get_char_face_and_encoding (it->f, ch, | |
2064 | it->face_id, &char2b, | |
2065 | it->multibyte_p); | |
2066 | font = face->font; | |
2067 | if (font == NULL) | |
2068 | { | |
2069 | font = FRAME_FONT (it->f); | |
2070 | boff = it->f->output_data.x->baseline_offset; | |
2071 | font_info = NULL; | |
2072 | } | |
2073 | else | |
2074 | { | |
2075 | font_info | |
2076 | = FONT_INFO_FROM_ID (it->f, face->font_info_id); | |
2077 | boff = font_info->baseline_offset; | |
2078 | if (font_info->vertical_centering) | |
2079 | boff = VCENTER_BASELINE_OFFSET (font, it->f) - boff; | |
2080 | } | |
2081 | ||
2082 | pcm = x_per_char_metric (font, &char2b); | |
2083 | ||
2084 | if (cmp->method != COMPOSITION_WITH_RULE_ALTCHARS) | |
2085 | { | |
2086 | /* Relative composition with or without | |
2087 | alternate chars. */ | |
2088 | left = (leftmost + rightmost - pcm->width) / 2; | |
2089 | btm = - pcm->descent + boff; | |
2090 | if (font_info && font_info->relative_compose | |
2091 | && (! CHAR_TABLE_P (Vignore_relative_composition) | |
2092 | || NILP (Faref (Vignore_relative_composition, | |
2093 | make_number (ch))))) | |
2094 | { | |
2095 | ||
2096 | if (- pcm->descent | |
2097 | >= font_info->relative_compose) | |
2098 | /* One extra pixel between two glyphs. */ | |
2099 | btm = highest + 1; | |
2100 | else if (pcm->ascent <= 0) | |
2101 | /* One extra pixel between two glyphs. */ | |
2102 | btm = lowest - 1 - pcm->ascent - pcm->descent; | |
2103 | } | |
2104 | } | |
2105 | else | |
2106 | { | |
2107 | /* A composition rule is specified by an integer | |
2108 | value that encodes global and new reference | |
2109 | points (GREF and NREF). GREF and NREF are | |
2110 | specified by numbers as below: | |
2111 | ||
2112 | 0---1---2 -- ascent | |
2113 | | | | |
2114 | | | | |
2115 | | | | |
2116 | 9--10--11 -- center | |
2117 | | | | |
2118 | ---3---4---5--- baseline | |
2119 | | | | |
2120 | 6---7---8 -- descent | |
2121 | */ | |
2122 | int rule = COMPOSITION_RULE (cmp, i); | |
2123 | int gref, nref, grefx, grefy, nrefx, nrefy; | |
2124 | ||
2125 | COMPOSITION_DECODE_RULE (rule, gref, nref); | |
2126 | grefx = gref % 3, nrefx = nref % 3; | |
2127 | grefy = gref / 3, nrefy = nref / 3; | |
2128 | ||
2129 | left = (leftmost | |
2130 | + grefx * (rightmost - leftmost) / 2 | |
2131 | - nrefx * pcm->width / 2); | |
2132 | btm = ((grefy == 0 ? highest | |
2133 | : grefy == 1 ? 0 | |
2134 | : grefy == 2 ? lowest | |
2135 | : (highest + lowest) / 2) | |
2136 | - (nrefy == 0 ? pcm->ascent + pcm->descent | |
2137 | : nrefy == 1 ? pcm->descent - boff | |
2138 | : nrefy == 2 ? 0 | |
2139 | : (pcm->ascent + pcm->descent) / 2)); | |
2140 | } | |
2141 | ||
2142 | cmp->offsets[i * 2] = left; | |
2143 | cmp->offsets[i * 2 + 1] = btm + pcm->descent; | |
2144 | ||
2145 | /* Update the bounding box of the overall glyphs. */ | |
2146 | right = left + pcm->width; | |
2147 | top = btm + pcm->descent + pcm->ascent; | |
2148 | if (left < leftmost) | |
2149 | leftmost = left; | |
2150 | if (right > rightmost) | |
2151 | rightmost = right; | |
2152 | if (top > highest) | |
2153 | highest = top; | |
2154 | if (btm < lowest) | |
2155 | lowest = btm; | |
2156 | } | |
2157 | ||
2158 | /* If there are glyphs whose x-offsets are negative, | |
2159 | shift all glyphs to the right and make all x-offsets | |
2160 | non-negative. */ | |
2161 | if (leftmost < 0) | |
2162 | { | |
2163 | for (i = 0; i < cmp->glyph_len; i++) | |
2164 | cmp->offsets[i * 2] -= leftmost; | |
2165 | rightmost -= leftmost; | |
2166 | } | |
2167 | ||
2168 | cmp->pixel_width = rightmost; | |
2169 | cmp->ascent = highest; | |
2170 | cmp->descent = - lowest; | |
2171 | if (cmp->ascent < font_ascent) | |
2172 | cmp->ascent = font_ascent; | |
2173 | if (cmp->descent < font_descent) | |
2174 | cmp->descent = font_descent; | |
2175 | } | |
2176 | ||
2177 | it->pixel_width = cmp->pixel_width; | |
2178 | it->ascent = it->phys_ascent = cmp->ascent; | |
2179 | it->descent = it->phys_descent = cmp->descent; | |
2180 | ||
2181 | if (face->box != FACE_NO_BOX) | |
2182 | { | |
2183 | int thick = face->box_line_width; | |
2184 | it->ascent += thick; | |
2185 | it->descent += thick; | |
2186 | ||
2187 | if (it->start_of_box_run_p) | |
2188 | it->pixel_width += thick; | |
2189 | if (it->end_of_box_run_p) | |
2190 | it->pixel_width += thick; | |
2191 | } | |
2192 | ||
2193 | /* If face has an overline, add the height of the overline | |
2194 | (1 pixel) and a 1 pixel margin to the character height. */ | |
2195 | if (face->overline_p) | |
2196 | it->ascent += 2; | |
2197 | ||
2198 | take_vertical_position_into_account (it); | |
2199 | ||
2200 | if (it->glyph_row) | |
2201 | x_append_composite_glyph (it); | |
2202 | #endif | |
2203 | } | |
2204 | else if (it->what == IT_IMAGE) | |
2205 | x_produce_image_glyph (it); | |
2206 | else if (it->what == IT_STRETCH) | |
2207 | x_produce_stretch_glyph (it); | |
2208 | ||
2209 | /* Accumulate dimensions. */ | |
2210 | xassert (it->ascent >= 0 && it->descent > 0); | |
2211 | if (it->area == TEXT_AREA) | |
2212 | it->current_x += it->pixel_width; | |
2213 | ||
2214 | it->max_ascent = max (it->max_ascent, it->ascent); | |
2215 | it->max_descent = max (it->max_descent, it->descent); | |
2216 | it->max_phys_ascent = max (it->max_phys_ascent, it->phys_ascent); | |
2217 | it->max_phys_descent = max (it->max_phys_descent, it->phys_descent); | |
2218 | } | |
2219 | ||
2220 | ||
2221 | /* Estimate the pixel height of the mode or top line on frame F. | |
2222 | FACE_ID specifies what line's height to estimate. */ | |
2223 | ||
2224 | int | |
2225 | x_estimate_mode_line_height (f, face_id) | |
2226 | struct frame *f; | |
2227 | enum face_id face_id; | |
2228 | { | |
2229 | int height = 1; | |
2230 | ||
2231 | /* This function is called so early when Emacs starts that the face | |
2232 | cache and mode line face are not yet initialized. */ | |
2233 | if (FRAME_FACE_CACHE (f)) | |
2234 | { | |
2235 | struct face *face = FACE_FROM_ID (f, face_id); | |
2236 | if (face) | |
2237 | height = FONT_HEIGHT (face->font) + 2 * face->box_line_width; | |
2238 | } | |
2239 | ||
2240 | return height; | |
2241 | } | |
cabb23bc | 2242 | |
cabb23bc | 2243 | \f |
791f420f JR |
2244 | /* Get the Windows codepage corresponding to the specified font. The |
2245 | charset info in the font name is used to look up | |
2246 | w32-charset-to-codepage-alist. */ | |
2247 | int | |
2248 | w32_codepage_for_font (char *fontname) | |
2249 | { | |
2250 | Lisp_Object codepage; | |
2251 | char charset_str[20], *charset, *end; | |
2252 | ||
2253 | /* Extract charset part of font string. */ | |
2254 | if (sscanf (fontname, | |
2255 | "-%*[^-]-%*[^-]-%*[^-]-%*[^-]-%*[^-]-%*[^-]-%*[^-]-%*[^-]-%*[^-]-%*[^-]-%*[^-]-%*[^-]-%19s", | |
2256 | charset_str) == EOF) | |
2257 | return CP_DEFAULT; | |
2258 | ||
2259 | /* Remove leading "*-". */ | |
2260 | if (strncmp ("*-", charset_str, 2) == 0) | |
2261 | charset = charset_str + 2; | |
2262 | else | |
2263 | charset = charset_str; | |
2264 | ||
2265 | /* Stop match at wildcard (including preceding '-'). */ | |
2266 | if (end = strchr (charset, '*')) | |
2267 | { | |
2268 | if (end > charset && *(end-1) == '-') | |
2269 | end--; | |
2270 | *end = '\0'; | |
2271 | } | |
2272 | ||
2273 | codepage = Fcdr (Fassoc (build_string(charset), | |
2274 | Vw32_charset_to_codepage_alist)); | |
2275 | ||
2276 | if (INTEGERP (codepage)) | |
2277 | return XINT (codepage); | |
2278 | else | |
2279 | return CP_DEFAULT; | |
2280 | } | |
2281 | ||
2282 | BOOL | |
2283 | w32_use_unicode_for_codepage (codepage) | |
2284 | int codepage; | |
2285 | { | |
2286 | /* If the current codepage is supported, use Unicode for output. */ | |
2287 | return (w32_enable_unicode_output | |
2288 | && codepage != CP_DEFAULT && IsValidCodePage (codepage)); | |
2289 | } | |
2290 | ||
2291 | \f | |
2292 | /*********************************************************************** | |
2293 | Glyph display | |
2294 | ***********************************************************************/ | |
2295 | ||
2296 | /* A sequence of glyphs to be drawn in the same face. | |
2297 | ||
2298 | This data structure is not really completely X specific, so it | |
2299 | could possibly, at least partially, be useful for other systems. It | |
2300 | is currently not part of the external redisplay interface because | |
2301 | it's not clear what other systems will need. */ | |
2302 | ||
2303 | struct glyph_string | |
2304 | { | |
2305 | /* X-origin of the string. */ | |
2306 | int x; | |
2307 | ||
2308 | /* Y-origin and y-position of the base line of this string. */ | |
2309 | int y, ybase; | |
2310 | ||
2311 | /* The width of the string, not including a face extension. */ | |
2312 | int width; | |
2313 | ||
2314 | /* The width of the string, including a face extension. */ | |
2315 | int background_width; | |
2316 | ||
2317 | /* The height of this string. This is the height of the line this | |
2318 | string is drawn in, and can be different from the height of the | |
2319 | font the string is drawn in. */ | |
2320 | int height; | |
2321 | ||
2322 | /* Number of pixels this string overwrites in front of its x-origin. | |
2323 | This number is zero if the string has an lbearing >= 0; it is | |
2324 | -lbearing, if the string has an lbearing < 0. */ | |
2325 | int left_overhang; | |
2326 | ||
2327 | /* Number of pixels this string overwrites past its right-most | |
2328 | nominal x-position, i.e. x + width. Zero if the string's | |
2329 | rbearing is <= its nominal width, rbearing - width otherwise. */ | |
2330 | int right_overhang; | |
2331 | ||
2332 | /* The frame on which the glyph string is drawn. */ | |
2333 | struct frame *f; | |
2334 | ||
2335 | /* The window on which the glyph string is drawn. */ | |
2336 | struct window *w; | |
2337 | ||
2338 | /* X display and window for convenience. */ | |
2339 | Window window; | |
2340 | ||
2341 | /* The glyph row for which this string was built. It determines the | |
2342 | y-origin and height of the string. */ | |
2343 | struct glyph_row *row; | |
2344 | ||
2345 | /* The area within row. */ | |
2346 | enum glyph_row_area area; | |
2347 | ||
2348 | /* Characters to be drawn, and number of characters. */ | |
2349 | wchar_t *char2b; | |
2350 | int nchars; | |
2351 | ||
2352 | /* Character set of this glyph string. */ | |
2353 | int charset; | |
2354 | ||
2355 | /* A face-override for drawing cursors, mouse face and similar. */ | |
2356 | enum draw_glyphs_face hl; | |
2357 | ||
2358 | /* Face in which this string is to be drawn. */ | |
2359 | struct face *face; | |
2360 | ||
2361 | /* Font in which this string is to be drawn. */ | |
2362 | XFontStruct *font; | |
2363 | ||
2364 | /* Font info for this string. */ | |
2365 | struct font_info *font_info; | |
2366 | ||
2367 | /* Non-null means this string describes (part of) a composition. | |
2368 | All characters from char2b are drawn composed. */ | |
2369 | struct composition *cmp; | |
2370 | ||
2371 | /* Index of this glyph string's first character in the glyph | |
2372 | definition of CMP. If this is zero, this glyph string describes | |
2373 | the first character of a composition. */ | |
2374 | int gidx; | |
2375 | ||
2376 | /* 1 means this glyph strings face has to be drawn to the right end | |
2377 | of the window's drawing area. */ | |
2378 | unsigned extends_to_end_of_line_p : 1; | |
2379 | ||
2380 | /* 1 means the background of this string has been drawn. */ | |
2381 | unsigned background_filled_p : 1; | |
2382 | ||
2383 | /* 1 means glyph string must be drawn with 16-bit functions. */ | |
2384 | unsigned two_byte_p : 1; | |
2385 | ||
2386 | /* 1 means that the original font determined for drawing this glyph | |
2387 | string could not be loaded. The member `font' has been set to | |
2388 | the frame's default font in this case. */ | |
2389 | unsigned font_not_found_p : 1; | |
2390 | ||
2391 | /* 1 means that the face in which this glyph string is drawn has a | |
2392 | stipple pattern. */ | |
2393 | unsigned stippled_p : 1; | |
2394 | ||
2395 | /* 1 means only the foreground of this glyph string must be drawn, | |
2396 | and we should use the physical height of the line this glyph | |
2397 | string appears in as clip rect. */ | |
2398 | unsigned for_overlaps_p : 1; | |
2399 | ||
2400 | /* The GC to use for drawing this glyph string. */ | |
2401 | XGCValues *gc; | |
2402 | ||
2403 | HDC hdc; | |
2404 | ||
2405 | /* A pointer to the first glyph in the string. This glyph | |
2406 | corresponds to char2b[0]. Needed to draw rectangles if | |
2407 | font_not_found_p is 1. */ | |
2408 | struct glyph *first_glyph; | |
2409 | ||
2410 | /* Image, if any. */ | |
2411 | struct image *img; | |
2412 | ||
2413 | struct glyph_string *next, *prev; | |
2414 | }; | |
2415 | ||
2416 | ||
2417 | /* Encapsulate the different ways of printing text under W32. */ | |
2418 | ||
2419 | void W32_TEXTOUT(s, x, y,chars,nchars) | |
2420 | struct glyph_string * s; | |
2421 | int x, y; | |
2422 | wchar_t * chars; | |
2423 | int nchars; | |
2424 | { | |
2425 | int charset_dim = CHARSET_DIMENSION (s->charset); | |
2426 | ||
2427 | if (s->gc->font->bdf) | |
2428 | w32_BDF_TextOut (s->gc->font->bdf, s->hdc, | |
2429 | x, y, (char *) chars, charset_dim, nchars, 0); | |
2430 | else if (s->two_byte_p) | |
2431 | ExtTextOutW (s->hdc, x, y, 0, NULL, chars, nchars, NULL); | |
2432 | else | |
2433 | ExtTextOut (s->hdc, x, y, 0, NULL, (char *) chars, | |
2434 | nchars * charset_dim, NULL); | |
2435 | } | |
2436 | ||
2437 | #if 0 | |
2438 | ||
2439 | static void | |
2440 | x_dump_glyph_string (s) | |
2441 | struct glyph_string *s; | |
2442 | { | |
2443 | fprintf (stderr, "glyph string\n"); | |
2444 | fprintf (stderr, " x, y, w, h = %d, %d, %d, %d\n", | |
2445 | s->x, s->y, s->width, s->height); | |
2446 | fprintf (stderr, " ybase = %d\n", s->ybase); | |
2447 | fprintf (stderr, " hl = %d\n", s->hl); | |
2448 | fprintf (stderr, " left overhang = %d, right = %d\n", | |
2449 | s->left_overhang, s->right_overhang); | |
2450 | fprintf (stderr, " nchars = %d\n", s->nchars); | |
2451 | fprintf (stderr, " extends to end of line = %d\n", | |
2452 | s->extends_to_end_of_line_p); | |
2453 | fprintf (stderr, " font height = %d\n", FONT_HEIGHT (s->font)); | |
2454 | fprintf (stderr, " bg width = %d\n", s->background_width); | |
2455 | } | |
2456 | ||
2457 | #endif /* GLYPH_DEBUG */ | |
2458 | ||
2459 | ||
2460 | ||
2461 | static void x_append_glyph_string_lists P_ ((struct glyph_string **, | |
2462 | struct glyph_string **, | |
2463 | struct glyph_string *, | |
2464 | struct glyph_string *)); | |
2465 | static void x_prepend_glyph_string_lists P_ ((struct glyph_string **, | |
2466 | struct glyph_string **, | |
2467 | struct glyph_string *, | |
2468 | struct glyph_string *)); | |
2469 | static void x_append_glyph_string P_ ((struct glyph_string **, | |
2470 | struct glyph_string **, | |
2471 | struct glyph_string *)); | |
2472 | static int x_left_overwritten P_ ((struct glyph_string *)); | |
2473 | static int x_left_overwriting P_ ((struct glyph_string *)); | |
2474 | static int x_right_overwritten P_ ((struct glyph_string *)); | |
2475 | static int x_right_overwriting P_ ((struct glyph_string *)); | |
2476 | static int x_fill_glyph_string P_ ((struct glyph_string *, int, int, | |
2477 | int, int)); | |
2478 | static void w32_init_glyph_string P_ ((struct glyph_string *, HDC hdc, | |
2479 | wchar_t *, struct window *, | |
2480 | struct glyph_row *, | |
2481 | enum glyph_row_area, int, | |
2482 | enum draw_glyphs_face)); | |
2483 | static int x_draw_glyphs P_ ((struct window *, int , struct glyph_row *, | |
2484 | enum glyph_row_area, int, int, | |
2485 | enum draw_glyphs_face, int *, int *, int)); | |
2486 | static void x_set_glyph_string_clipping P_ ((struct glyph_string *)); | |
2487 | static void x_set_glyph_string_gc P_ ((struct glyph_string *)); | |
2488 | static void x_draw_glyph_string_background P_ ((struct glyph_string *, | |
2489 | int)); | |
2490 | static void x_draw_glyph_string_foreground P_ ((struct glyph_string *)); | |
2491 | static void x_draw_composite_glyph_string_foreground P_ ((struct glyph_string *)); | |
2492 | static void x_draw_glyph_string_underline P_ ((struct glyph_string *)); | |
2493 | static void x_draw_glyph_string_underline P_ ((struct glyph_string *)); | |
2494 | static void x_draw_glyph_string_box P_ ((struct glyph_string *)); | |
2495 | static void x_draw_glyph_string P_ ((struct glyph_string *)); | |
2496 | static void x_compute_glyph_string_overhangs P_ ((struct glyph_string *)); | |
2497 | static void x_set_cursor_gc P_ ((struct glyph_string *)); | |
2498 | static void x_set_mode_line_face_gc P_ ((struct glyph_string *)); | |
2499 | static void x_set_mouse_face_gc P_ ((struct glyph_string *)); | |
2500 | static void w32_get_glyph_overhangs P_ ((HDC hdc, struct glyph *, | |
2501 | struct frame *, | |
2502 | int *, int *, int)); | |
2503 | static void x_compute_overhangs_and_x P_ ((struct glyph_string *, int, int)); | |
2504 | static int w32_alloc_lighter_color (struct frame *, COLORREF *, double, int); | |
2505 | static void w32_setup_relief_color P_ ((struct frame *, struct relief *, | |
2506 | double, int, COLORREF)); | |
2507 | static void x_setup_relief_colors P_ ((struct glyph_string *)); | |
2508 | static void x_draw_image_glyph_string P_ ((struct glyph_string *)); | |
2509 | static void x_draw_image_relief P_ ((struct glyph_string *)); | |
2510 | static void x_draw_image_foreground P_ ((struct glyph_string *)); | |
2511 | static void w32_draw_image_foreground_1 P_ ((struct glyph_string *, HBITMAP)); | |
2512 | static void x_fill_image_glyph_string P_ ((struct glyph_string *)); | |
2513 | static void x_clear_glyph_string_rect P_ ((struct glyph_string *, int, | |
2514 | int, int, int)); | |
2515 | static void w32_draw_relief_rect P_ ((struct frame *, int, int, int, int, | |
2516 | int, int, int, int, RECT *)); | |
2517 | static void w32_draw_box_rect P_ ((struct glyph_string *, int, int, int, int, | |
2518 | int, int, int, RECT *)); | |
2519 | static void x_fix_overlapping_area P_ ((struct window *, struct glyph_row *, | |
2520 | enum glyph_row_area)); | |
2521 | ||
2522 | ||
2523 | /* Append the list of glyph strings with head H and tail T to the list | |
2524 | with head *HEAD and tail *TAIL. Set *HEAD and *TAIL to the result. */ | |
2525 | ||
2526 | static INLINE void | |
2527 | x_append_glyph_string_lists (head, tail, h, t) | |
2528 | struct glyph_string **head, **tail; | |
2529 | struct glyph_string *h, *t; | |
2530 | { | |
2531 | if (h) | |
2532 | { | |
2533 | if (*head) | |
2534 | (*tail)->next = h; | |
2535 | else | |
2536 | *head = h; | |
2537 | h->prev = *tail; | |
2538 | *tail = t; | |
2539 | } | |
2540 | } | |
2541 | ||
2542 | ||
2543 | /* Prepend the list of glyph strings with head H and tail T to the | |
2544 | list with head *HEAD and tail *TAIL. Set *HEAD and *TAIL to the | |
2545 | result. */ | |
2546 | ||
2547 | static INLINE void | |
2548 | x_prepend_glyph_string_lists (head, tail, h, t) | |
2549 | struct glyph_string **head, **tail; | |
2550 | struct glyph_string *h, *t; | |
2551 | { | |
2552 | if (h) | |
2553 | { | |
2554 | if (*head) | |
2555 | (*head)->prev = t; | |
2556 | else | |
2557 | *tail = t; | |
2558 | t->next = *head; | |
2559 | *head = h; | |
2560 | } | |
2561 | } | |
2562 | ||
2563 | ||
2564 | /* Append glyph string S to the list with head *HEAD and tail *TAIL. | |
2565 | Set *HEAD and *TAIL to the resulting list. */ | |
2566 | ||
2567 | static INLINE void | |
2568 | x_append_glyph_string (head, tail, s) | |
2569 | struct glyph_string **head, **tail; | |
2570 | struct glyph_string *s; | |
2571 | { | |
2572 | s->next = s->prev = NULL; | |
2573 | x_append_glyph_string_lists (head, tail, s, s); | |
2574 | } | |
2575 | ||
2576 | ||
2577 | /* Set S->gc to a suitable GC for drawing glyph string S in cursor | |
2578 | face. */ | |
2579 | ||
2580 | static void | |
2581 | x_set_cursor_gc (s) | |
2582 | struct glyph_string *s; | |
2583 | { | |
2584 | if (s->font == FRAME_FONT (s->f) | |
2585 | && s->face->background == FRAME_BACKGROUND_PIXEL (s->f) | |
2586 | && s->face->foreground == FRAME_FOREGROUND_PIXEL (s->f) | |
2587 | && !s->cmp) | |
2588 | s->gc = s->f->output_data.w32->cursor_gc; | |
2589 | else | |
2590 | { | |
2591 | /* Cursor on non-default face: must merge. */ | |
2592 | XGCValues xgcv; | |
2593 | unsigned long mask; | |
2594 | ||
2595 | xgcv.background = s->f->output_data.w32->cursor_pixel; | |
2596 | xgcv.foreground = s->face->background; | |
2597 | ||
2598 | /* If the glyph would be invisible, try a different foreground. */ | |
2599 | if (xgcv.foreground == xgcv.background) | |
2600 | xgcv.foreground = s->face->foreground; | |
2601 | if (xgcv.foreground == xgcv.background) | |
2602 | xgcv.foreground = s->f->output_data.w32->cursor_foreground_pixel; | |
2603 | if (xgcv.foreground == xgcv.background) | |
2604 | xgcv.foreground = s->face->foreground; | |
2605 | ||
2606 | /* Make sure the cursor is distinct from text in this face. */ | |
2607 | if (xgcv.background == s->face->background | |
2608 | && xgcv.foreground == s->face->foreground) | |
2609 | { | |
2610 | xgcv.background = s->face->foreground; | |
2611 | xgcv.foreground = s->face->background; | |
2612 | } | |
2613 | ||
2614 | IF_DEBUG (x_check_font (s->f, s->font)); | |
2615 | xgcv.font = s->font; | |
2616 | mask = GCForeground | GCBackground | GCFont; | |
2617 | ||
2618 | if (FRAME_W32_DISPLAY_INFO (s->f)->scratch_cursor_gc) | |
2619 | XChangeGC (NULL, FRAME_W32_DISPLAY_INFO (s->f)->scratch_cursor_gc, | |
2620 | mask, &xgcv); | |
2621 | else | |
2622 | FRAME_W32_DISPLAY_INFO (s->f)->scratch_cursor_gc | |
2623 | = XCreateGC (NULL, s->window, mask, &xgcv); | |
2624 | ||
2625 | s->gc = FRAME_W32_DISPLAY_INFO (s->f)->scratch_cursor_gc; | |
2626 | } | |
2627 | } | |
2628 | ||
2629 | ||
2630 | /* Set up S->gc of glyph string S for drawing text in mouse face. */ | |
2631 | ||
2632 | static void | |
2633 | x_set_mouse_face_gc (s) | |
2634 | struct glyph_string *s; | |
2635 | { | |
2636 | int face_id; | |
2637 | ||
2638 | /* What face has to be used for the mouse face? */ | |
2639 | face_id = FRAME_W32_DISPLAY_INFO (s->f)->mouse_face_face_id; | |
2640 | face_id = FACE_FOR_CHARSET (s->f, face_id, s->charset); | |
2641 | s->face = FACE_FROM_ID (s->f, face_id); | |
2642 | PREPARE_FACE_FOR_DISPLAY (s->f, s->face); | |
2643 | ||
2644 | /* If font in this face is same as S->font, use it. */ | |
2645 | if (s->font == s->face->font) | |
2646 | s->gc = s->face->gc; | |
2647 | else | |
2648 | { | |
2649 | /* Otherwise construct scratch_cursor_gc with values from FACE | |
2650 | but font FONT. */ | |
2651 | XGCValues xgcv; | |
2652 | unsigned long mask; | |
2653 | ||
2654 | xgcv.background = s->face->background; | |
2655 | xgcv.foreground = s->face->foreground; | |
2656 | IF_DEBUG (x_check_font (s->f, s->font)); | |
2657 | xgcv.font = s->font; | |
2658 | mask = GCForeground | GCBackground | GCFont; | |
2659 | ||
2660 | if (FRAME_W32_DISPLAY_INFO (s->f)->scratch_cursor_gc) | |
2661 | XChangeGC (NULL, FRAME_W32_DISPLAY_INFO (s->f)->scratch_cursor_gc, | |
2662 | mask, &xgcv); | |
2663 | else | |
2664 | FRAME_W32_DISPLAY_INFO (s->f)->scratch_cursor_gc | |
2665 | = XCreateGC (NULL, s->window, mask, &xgcv); | |
2666 | ||
2667 | s->gc = FRAME_W32_DISPLAY_INFO (s->f)->scratch_cursor_gc; | |
2668 | } | |
2669 | ||
2670 | xassert (s->gc != 0); | |
2671 | } | |
2672 | ||
2673 | ||
2674 | /* Set S->gc of glyph string S to a GC suitable for drawing a mode line. | |
2675 | Faces to use in the mode line have already been computed when the | |
2676 | matrix was built, so there isn't much to do, here. */ | |
2677 | ||
2678 | static INLINE void | |
2679 | x_set_mode_line_face_gc (s) | |
2680 | struct glyph_string *s; | |
2681 | { | |
2682 | s->gc = s->face->gc; | |
2683 | xassert (s->gc != 0); | |
2684 | } | |
2685 | ||
2686 | ||
2687 | /* Set S->gc of glyph string S for drawing that glyph string. Set | |
2688 | S->stippled_p to a non-zero value if the face of S has a stipple | |
2689 | pattern. */ | |
2690 | ||
2691 | static INLINE void | |
2692 | x_set_glyph_string_gc (s) | |
2693 | struct glyph_string *s; | |
2694 | { | |
2695 | if (s->hl == DRAW_NORMAL_TEXT) | |
2696 | { | |
2697 | s->gc = s->face->gc; | |
2698 | s->stippled_p = s->face->stipple != 0; | |
2699 | } | |
2700 | else if (s->hl == DRAW_INVERSE_VIDEO) | |
2701 | { | |
2702 | x_set_mode_line_face_gc (s); | |
2703 | s->stippled_p = s->face->stipple != 0; | |
2704 | } | |
2705 | else if (s->hl == DRAW_CURSOR) | |
2706 | { | |
2707 | x_set_cursor_gc (s); | |
2708 | s->stippled_p = 0; | |
2709 | } | |
2710 | else if (s->hl == DRAW_MOUSE_FACE) | |
2711 | { | |
2712 | x_set_mouse_face_gc (s); | |
2713 | s->stippled_p = s->face->stipple != 0; | |
2714 | } | |
2715 | else if (s->hl == DRAW_IMAGE_RAISED | |
2716 | || s->hl == DRAW_IMAGE_SUNKEN) | |
2717 | { | |
2718 | s->gc = s->face->gc; | |
2719 | s->stippled_p = s->face->stipple != 0; | |
2720 | } | |
2721 | else | |
2722 | { | |
2723 | s->gc = s->face->gc; | |
2724 | s->stippled_p = s->face->stipple != 0; | |
2725 | } | |
2726 | ||
2727 | /* GC must have been set. */ | |
2728 | xassert (s->gc != 0); | |
2729 | } | |
2730 | ||
2731 | ||
2732 | /* Return in *R the clipping rectangle for glyph string S. */ | |
2733 | ||
2734 | static void | |
2735 | w32_get_glyph_string_clip_rect (s, r) | |
2736 | struct glyph_string *s; | |
2737 | RECT *r; | |
2738 | { | |
2739 | int r_height, r_width; | |
2740 | ||
2741 | if (s->row->full_width_p) | |
2742 | { | |
2743 | /* Draw full-width. X coordinates are relative to S->w->left. */ | |
2744 | int canon_x = CANON_X_UNIT (s->f); | |
2745 | ||
2746 | r->left = WINDOW_LEFT_MARGIN (s->w) * canon_x; | |
2747 | r_width = XFASTINT (s->w->width) * canon_x; | |
2748 | ||
2749 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (s->f)) | |
2750 | { | |
2751 | int width = FRAME_SCROLL_BAR_WIDTH (s->f) * canon_x; | |
2752 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (s->f)) | |
2753 | r->left -= width; | |
2754 | } | |
2755 | ||
2756 | r->left += FRAME_INTERNAL_BORDER_WIDTH (s->f); | |
2757 | ||
2758 | /* Unless displaying a mode or menu bar line, which are always | |
2759 | fully visible, clip to the visible part of the row. */ | |
2760 | if (s->w->pseudo_window_p) | |
2761 | r_height = s->row->visible_height; | |
2762 | else | |
2763 | r_height = s->height; | |
2764 | } | |
2765 | else | |
2766 | { | |
2767 | /* This is a text line that may be partially visible. */ | |
2768 | r->left = WINDOW_AREA_TO_FRAME_PIXEL_X (s->w, s->area, 0); | |
2769 | r_width = window_box_width (s->w, s->area); | |
2770 | r_height = s->row->visible_height; | |
2771 | } | |
2772 | ||
2773 | /* Don't use S->y for clipping because it doesn't take partially | |
2774 | visible lines into account. For example, it can be negative for | |
2775 | partially visible lines at the top of a window. */ | |
2776 | if (!s->row->full_width_p | |
2777 | && MATRIX_ROW_PARTIALLY_VISIBLE_AT_TOP_P (s->w, s->row)) | |
2778 | r->top = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (s->w); | |
2779 | else | |
2780 | r->top = max (0, s->row->y); | |
2781 | ||
2782 | /* If drawing a tool-bar window, draw it over the internal border | |
2783 | at the top of the window. */ | |
2784 | if (s->w == XWINDOW (s->f->tool_bar_window)) | |
2785 | r->top -= s->f->output_data.w32->internal_border_width; | |
2786 | ||
2787 | /* If S draws overlapping rows, it's sufficient to use the top and | |
2788 | bottom of the window for clipping because this glyph string | |
2789 | intentionally draws over other lines. */ | |
2790 | if (s->for_overlaps_p) | |
2791 | { | |
2792 | r->top = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (s->w); | |
2793 | r_height = window_text_bottom_y (s->w) - r->top; | |
2794 | } | |
2795 | ||
2796 | r->top = WINDOW_TO_FRAME_PIXEL_Y (s->w, r->top); | |
2797 | ||
2798 | r->bottom = r->top + r_height; | |
2799 | r->right = r->left + r_width; | |
2800 | } | |
2801 | ||
2802 | ||
2803 | /* Set clipping for output of glyph string S. S may be part of a mode | |
2804 | line or menu if we don't have X toolkit support. */ | |
2805 | ||
2806 | static INLINE void | |
2807 | x_set_glyph_string_clipping (s) | |
2808 | struct glyph_string *s; | |
2809 | { | |
2810 | RECT r; | |
2811 | w32_get_glyph_string_clip_rect (s, &r); | |
2812 | w32_set_clip_rectangle (s->hdc, &r); | |
2813 | } | |
2814 | ||
2815 | ||
2816 | /* Compute left and right overhang of glyph string S. If S is a glyph | |
2817 | string for a composition, assume overhangs don't exist. */ | |
2818 | ||
2819 | static INLINE void | |
2820 | x_compute_glyph_string_overhangs (s) | |
2821 | struct glyph_string *s; | |
2822 | { | |
2823 | if (s->cmp == NULL | |
2824 | && s->first_glyph->type == CHAR_GLYPH) | |
2825 | { | |
2826 | XCharStruct cs; | |
2827 | int direction, font_ascent, font_descent; | |
2828 | XTextExtents16 (s->font, s->char2b, s->nchars, &direction, | |
2829 | &font_ascent, &font_descent, &cs); | |
2830 | s->right_overhang = cs.rbearing > cs.width ? cs.rbearing - cs.width : 0; | |
2831 | s->left_overhang = cs.lbearing < 0 ? -cs.lbearing : 0; | |
2832 | } | |
2833 | } | |
2834 | ||
2835 | ||
2836 | /* Compute overhangs and x-positions for glyph string S and its | |
2837 | predecessors, or successors. X is the starting x-position for S. | |
2838 | BACKWARD_P non-zero means process predecessors. */ | |
2839 | ||
2840 | static void | |
2841 | x_compute_overhangs_and_x (s, x, backward_p) | |
2842 | struct glyph_string *s; | |
2843 | int x; | |
2844 | int backward_p; | |
2845 | { | |
2846 | if (backward_p) | |
2847 | { | |
2848 | while (s) | |
2849 | { | |
2850 | x_compute_glyph_string_overhangs (s); | |
2851 | x -= s->width; | |
2852 | s->x = x; | |
2853 | s = s->prev; | |
2854 | } | |
2855 | } | |
2856 | else | |
2857 | { | |
2858 | while (s) | |
2859 | { | |
2860 | x_compute_glyph_string_overhangs (s); | |
2861 | s->x = x; | |
2862 | x += s->width; | |
2863 | s = s->next; | |
2864 | } | |
2865 | } | |
2866 | } | |
2867 | ||
2868 | ||
2869 | /* Set *LEFT and *RIGHT to the left and right overhang of GLYPH on | |
2870 | frame F. Overhangs of glyphs other than type CHAR_GLYPH are | |
2871 | assumed to be zero. */ | |
2872 | ||
2873 | static void | |
00fe468b JR |
2874 | w32_get_glyph_overhangs (hdc, glyph, f, left, right, unicode_p) |
2875 | HDC hdc; | |
791f420f JR |
2876 | struct glyph *glyph; |
2877 | struct frame *f; | |
2878 | int *left, *right, unicode_p; | |
2879 | { | |
2880 | int c; | |
791f420f JR |
2881 | |
2882 | *left = *right = 0; | |
2883 | ||
2884 | if (glyph->type == CHAR_GLYPH) | |
2885 | { | |
2886 | XFontStruct *font; | |
2887 | struct face *face; | |
2888 | struct font_info *font_info; | |
2889 | wchar_t char2b; | |
2890 | ||
2891 | face = x_get_glyph_face_and_encoding (f, glyph, &char2b); | |
2892 | font = face->font; | |
2893 | font_info = FONT_INFO_FROM_ID (f, face->font_info_id); | |
2894 | if (font) | |
2895 | { | |
2896 | XCharStruct *pcm = w32_per_char_metric (hdc, font, &char2b, | |
2897 | unicode_p); | |
2898 | ||
2899 | if (pcm->rbearing > pcm->width) | |
2900 | *right = pcm->rbearing - pcm->width; | |
2901 | if (pcm->lbearing < 0) | |
2902 | *left = -pcm->lbearing; | |
2903 | } | |
2904 | } | |
791f420f JR |
2905 | } |
2906 | ||
2907 | ||
2908 | static void | |
2909 | x_get_glyph_overhangs (glyph, f, left, right) | |
2910 | struct glyph *glyph; | |
2911 | struct frame *f; | |
2912 | int *left, *right; | |
2913 | { | |
2914 | HDC hdc = get_frame_dc (f); | |
2915 | w32_get_glyph_overhangs (hdc, glyph, f, left, right, glyph->multibyte_p); | |
2916 | release_frame_dc (f, hdc); | |
2917 | } | |
2918 | ||
2919 | ||
2920 | /* Return the index of the first glyph preceding glyph string S that | |
2921 | is overwritten by S because of S's left overhang. Value is -1 | |
2922 | if no glyphs are overwritten. */ | |
2923 | ||
2924 | static int | |
2925 | x_left_overwritten (s) | |
2926 | struct glyph_string *s; | |
2927 | { | |
2928 | int k; | |
2929 | ||
2930 | if (s->left_overhang) | |
2931 | { | |
2932 | int x = 0, i; | |
2933 | struct glyph *glyphs = s->row->glyphs[s->area]; | |
2934 | int first = s->first_glyph - glyphs; | |
2935 | ||
2936 | for (i = first - 1; i >= 0 && x > -s->left_overhang; --i) | |
2937 | x -= glyphs[i].pixel_width; | |
2938 | ||
2939 | k = i + 1; | |
2940 | } | |
2941 | else | |
2942 | k = -1; | |
2943 | ||
2944 | return k; | |
2945 | } | |
2946 | ||
2947 | ||
2948 | /* Return the index of the first glyph preceding glyph string S that | |
2949 | is overwriting S because of its right overhang. Value is -1 if no | |
2950 | glyph in front of S overwrites S. */ | |
2951 | ||
2952 | static int | |
2953 | x_left_overwriting (s) | |
2954 | struct glyph_string *s; | |
2955 | { | |
2956 | int i, k, x; | |
2957 | struct glyph *glyphs = s->row->glyphs[s->area]; | |
2958 | int first = s->first_glyph - glyphs; | |
2959 | ||
2960 | k = -1; | |
2961 | x = 0; | |
2962 | for (i = first - 1; i >= 0; --i) | |
2963 | { | |
2964 | int left, right; | |
2965 | w32_get_glyph_overhangs (s->hdc, glyphs + i, s->f, &left, | |
2966 | &right, s->two_byte_p); | |
2967 | if (x + right > 0) | |
2968 | k = i; | |
2969 | x -= glyphs[i].pixel_width; | |
2970 | } | |
2971 | ||
2972 | return k; | |
2973 | } | |
2974 | ||
2975 | ||
2976 | /* Return the index of the last glyph following glyph string S that is | |
2977 | not overwritten by S because of S's right overhang. Value is -1 if | |
2978 | no such glyph is found. */ | |
2979 | ||
2980 | static int | |
2981 | x_right_overwritten (s) | |
2982 | struct glyph_string *s; | |
2983 | { | |
2984 | int k = -1; | |
2985 | ||
2986 | if (s->right_overhang) | |
2987 | { | |
2988 | int x = 0, i; | |
2989 | struct glyph *glyphs = s->row->glyphs[s->area]; | |
2990 | int first = (s->first_glyph - glyphs) + (s->cmp ? 1 : s->nchars); | |
2991 | int end = s->row->used[s->area]; | |
2992 | ||
2993 | for (i = first; i < end && s->right_overhang > x; ++i) | |
2994 | x += glyphs[i].pixel_width; | |
2995 | ||
2996 | k = i; | |
2997 | } | |
2998 | ||
2999 | return k; | |
3000 | } | |
3001 | ||
3002 | ||
3003 | /* Return the index of the last glyph following glyph string S that | |
3004 | overwrites S because of its left overhang. Value is negative | |
3005 | if no such glyph is found. */ | |
3006 | ||
3007 | static int | |
3008 | x_right_overwriting (s) | |
3009 | struct glyph_string *s; | |
3010 | { | |
3011 | int i, k, x; | |
3012 | int end = s->row->used[s->area]; | |
3013 | struct glyph *glyphs = s->row->glyphs[s->area]; | |
3014 | int first = (s->first_glyph - glyphs) + (s->cmp ? 1 : s->nchars); | |
3015 | ||
3016 | k = -1; | |
3017 | x = 0; | |
3018 | for (i = first; i < end; ++i) | |
3019 | { | |
3020 | int left, right; | |
3021 | w32_get_glyph_overhangs (s->hdc, glyphs + i, s->f, &left, | |
3022 | &right, s->two_byte_p); | |
3023 | if (x - left < 0) | |
3024 | k = i; | |
3025 | x += glyphs[i].pixel_width; | |
3026 | } | |
3027 | ||
3028 | return k; | |
3029 | } | |
3030 | ||
3031 | ||
3032 | /* Fill rectangle X, Y, W, H with background color of glyph string S. */ | |
3033 | ||
3034 | static INLINE void | |
3035 | x_clear_glyph_string_rect (s, x, y, w, h) | |
3036 | struct glyph_string *s; | |
3037 | int x, y, w, h; | |
3038 | { | |
3039 | int real_x = x; | |
3040 | int real_y = y; | |
3041 | int real_w = w; | |
3042 | int real_h = h; | |
3043 | #if 0 | |
3044 | /* Take clipping into account. */ | |
3045 | if (s->gc->clip_mask == Rect) | |
3046 | { | |
3047 | real_x = max (real_x, s->gc->clip_rectangle.left); | |
3048 | real_y = max (real_y, s->gc->clip_rectangle.top); | |
3049 | real_w = min (real_w, s->gc->clip_rectangle.right | |
3050 | - s->gc->clip_rectangle.left); | |
3051 | real_h = min (real_h, s->gc->clip_rectangle.bottom | |
3052 | - s->gc->clip_rectangle.top); | |
3053 | } | |
3054 | #endif | |
3055 | w32_fill_area (s->f, s->hdc, s->gc->background, real_x, real_y, | |
3056 | real_w, real_h); | |
3057 | } | |
3058 | ||
3059 | ||
3060 | /* Draw the background of glyph_string S. If S->background_filled_p | |
3061 | is non-zero don't draw it. FORCE_P non-zero means draw the | |
3062 | background even if it wouldn't be drawn normally. This is used | |
3063 | when a string preceding S draws into the background of S, or S | |
3064 | contains the first component of a composition. */ | |
3065 | ||
3066 | static void | |
3067 | x_draw_glyph_string_background (s, force_p) | |
3068 | struct glyph_string *s; | |
3069 | int force_p; | |
3070 | { | |
3071 | /* Nothing to do if background has already been drawn or if it | |
3072 | shouldn't be drawn in the first place. */ | |
3073 | if (!s->background_filled_p) | |
3074 | { | |
3075 | #if 0 /* NTEMACS_TODO: stipple */ | |
3076 | if (s->stippled_p) | |
3077 | { | |
3078 | /* Fill background with a stipple pattern. */ | |
3079 | XSetFillStyle (s->display, s->gc, FillOpaqueStippled); | |
3080 | XFillRectangle (s->display, s->window, s->gc, s->x, | |
3081 | s->y + s->face->box_line_width, | |
3082 | s->background_width, | |
3083 | s->height - 2 * s->face->box_line_width); | |
3084 | XSetFillStyle (s->display, s->gc, FillSolid); | |
3085 | s->background_filled_p = 1; | |
3086 | } | |
3087 | else | |
3088 | #endif | |
3089 | if (FONT_HEIGHT (s->font) < s->height - 2 * s->face->box_line_width | |
3090 | || s->font_not_found_p | |
3091 | || s->extends_to_end_of_line_p | |
3092 | || force_p) | |
3093 | { | |
3094 | x_clear_glyph_string_rect (s, s->x, s->y + s->face->box_line_width, | |
3095 | s->background_width, | |
3096 | s->height - 2 * s->face->box_line_width); | |
3097 | s->background_filled_p = 1; | |
3098 | } | |
3099 | } | |
3100 | } | |
3101 | ||
3102 | ||
3103 | /* Draw the foreground of glyph string S. */ | |
3104 | ||
3105 | static void | |
3106 | x_draw_glyph_string_foreground (s) | |
3107 | struct glyph_string *s; | |
3108 | { | |
3109 | int i, x; | |
3110 | ||
3111 | /* If first glyph of S has a left box line, start drawing the text | |
3112 | of S to the right of that box line. */ | |
3113 | if (s->face->box != FACE_NO_BOX | |
3114 | && s->first_glyph->left_box_line_p) | |
3115 | x = s->x + s->face->box_line_width; | |
3116 | else | |
3117 | x = s->x; | |
3118 | ||
3119 | if (s->for_overlaps_p || (s->background_filled_p && s->hl != DRAW_CURSOR)) | |
3120 | SetBkMode (s->hdc, TRANSPARENT); | |
3121 | else | |
3122 | SetBkMode (s->hdc, OPAQUE); | |
3123 | ||
3124 | SetTextColor (s->hdc, s->gc->foreground); | |
3125 | SetBkColor (s->hdc, s->gc->background); | |
3126 | SetTextAlign (s->hdc, TA_BASELINE | TA_LEFT); | |
3127 | ||
3128 | if (s->font && s->font->hfont) | |
3129 | SelectObject (s->hdc, s->font->hfont); | |
3130 | ||
3131 | /* Draw characters of S as rectangles if S's font could not be | |
3132 | loaded. */ | |
3133 | if (s->font_not_found_p) | |
3134 | { | |
3135 | for (i = 0; i < s->nchars; ++i) | |
3136 | { | |
3137 | struct glyph *g = s->first_glyph + i; | |
3138 | ||
3139 | w32_draw_rectangle (s->hdc, s->gc, x, s->y, g->pixel_width - 1, | |
3140 | s->height - 1); | |
3141 | x += g->pixel_width; | |
3142 | } | |
3143 | } | |
3144 | else | |
3145 | { | |
3146 | char *char1b = (char *) s->char2b; | |
3147 | int boff = s->font_info->baseline_offset; | |
3148 | ||
3149 | if (s->font_info->vertical_centering) | |
3150 | boff = VCENTER_BASELINE_OFFSET (s->font, s->f) - boff; | |
3151 | ||
3152 | /* If we can use 8-bit functions, condense S->char2b. */ | |
3153 | if (!s->two_byte_p) | |
3154 | for (i = 0; i < s->nchars; ++i) | |
3155 | char1b[i] = BYTE2 (s->char2b[i]); | |
3156 | ||
3157 | /* Draw text with TextOut and friends. */ | |
3158 | W32_TEXTOUT (s, x, s->ybase - boff, s->char2b, s->nchars); | |
3159 | } | |
3160 | } | |
3161 | ||
3162 | /* Draw the foreground of composite glyph string S. */ | |
3163 | ||
3164 | static void | |
3165 | x_draw_composite_glyph_string_foreground (s) | |
3166 | struct glyph_string *s; | |
3167 | { | |
3168 | int i, x; | |
3169 | ||
3170 | /* If first glyph of S has a left box line, start drawing the text | |
3171 | of S to the right of that box line. */ | |
3172 | if (s->face->box != FACE_NO_BOX | |
3173 | && s->first_glyph->left_box_line_p) | |
3174 | x = s->x + s->face->box_line_width; | |
3175 | else | |
3176 | x = s->x; | |
3177 | ||
3178 | /* S is a glyph string for a composition. S->gidx is the index of | |
3179 | the first character drawn for glyphs of this composition. | |
3180 | S->gidx == 0 means we are drawing the very first character of | |
3181 | this composition. */ | |
3182 | ||
3183 | SetTextColor (s->hdc, s->gc->foreground); | |
3184 | SetBkColor (s->hdc, s->gc->background); | |
3185 | SetBkMode (s->hdc, TRANSPARENT); | |
3186 | SetTextAlign (s->hdc, TA_BASELINE | TA_LEFT); | |
3187 | ||
3188 | /* Draw a rectangle for the composition if the font for the very | |
3189 | first character of the composition could not be loaded. */ | |
3190 | if (s->font_not_found_p) | |
3191 | { | |
3192 | if (s->gidx == 0) | |
3193 | w32_draw_rectangle (s->hdc, s->gc, x, s->y, s->width - 1, | |
3194 | s->height - 1); | |
3195 | } | |
3196 | else | |
3197 | { | |
3198 | for (i = 0; i < s->nchars; i++, ++s->gidx) | |
3199 | W32_TEXTOUT (s, x + s->cmp->offsets[s->gidx * 2], | |
3200 | s->ybase - s->cmp->offsets[s->gidx * 2 + 1], | |
3201 | s->char2b + i, 1); | |
3202 | } | |
3203 | } | |
3204 | ||
3205 | /* Allocate a color which is lighter or darker than *COLOR by FACTOR | |
3206 | or DELTA. Try a color with RGB values multiplied by FACTOR first. | |
3207 | If this produces the same color as COLOR, try a color where all RGB | |
3208 | values have DELTA added. Return the allocated color in *COLOR. | |
3209 | DISPLAY is the X display, CMAP is the colormap to operate on. | |
3210 | Value is non-zero if successful. */ | |
3211 | ||
3212 | static int | |
3213 | w32_alloc_lighter_color (f, color, factor, delta) | |
3214 | struct frame *f; | |
3215 | COLORREF *color; | |
3216 | double factor; | |
3217 | int delta; | |
3218 | { | |
3219 | COLORREF new; | |
3220 | ||
3221 | /* Change RGB values by specified FACTOR. Avoid overflow! */ | |
3222 | xassert (factor >= 0); | |
3223 | new = PALETTERGB (min (0xff, factor * GetRValue (*color)), | |
3224 | min (0xff, factor * GetGValue (*color)), | |
3225 | min (0xff, factor * GetBValue (*color))); | |
3226 | if (new == *color) | |
3227 | new = PALETTERGB (max (0, min (0xff, delta + GetRValue (*color))), | |
3228 | max (0, min (0xff, delta + GetGValue (*color))), | |
3229 | max (0, min (0xff, delta + GetBValue (*color)))); | |
3230 | ||
3231 | if (new == *color) | |
3232 | return 0; | |
3233 | ||
3234 | *color = new; | |
3235 | ||
3236 | return 1; | |
3237 | } | |
3238 | ||
3239 | ||
3240 | /* Set up the foreground color for drawing relief lines of glyph | |
3241 | string S. RELIEF is a pointer to a struct relief containing the GC | |
3242 | with which lines will be drawn. Use a color that is FACTOR or | |
3243 | DELTA lighter or darker than the relief's background which is found | |
3244 | in S->f->output_data.x->relief_background. If such a color cannot | |
3245 | be allocated, use DEFAULT_PIXEL, instead. */ | |
3246 | ||
3247 | static void | |
3248 | w32_setup_relief_color (f, relief, factor, delta, default_pixel) | |
3249 | struct frame *f; | |
3250 | struct relief *relief; | |
3251 | double factor; | |
3252 | int delta; | |
3253 | COLORREF default_pixel; | |
3254 | { | |
3255 | XGCValues xgcv; | |
3256 | struct w32_output *di = f->output_data.w32; | |
3257 | unsigned long mask = GCForeground; | |
3258 | COLORREF pixel; | |
3259 | COLORREF background = di->relief_background; | |
3260 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); | |
3261 | ||
3262 | /* Allocate new color. */ | |
3263 | xgcv.foreground = default_pixel; | |
3264 | pixel = background; | |
3265 | if (w32_alloc_lighter_color (f, &pixel, factor, delta)) | |
3266 | { | |
3267 | relief->allocated_p = 1; | |
3268 | xgcv.foreground = relief->pixel = pixel; | |
3269 | } | |
3270 | ||
3271 | if (relief->gc == 0) | |
3272 | { | |
3273 | #if 0 /* NTEMACS_TODO: stipple */ | |
3274 | xgcv.stipple = dpyinfo->gray; | |
3275 | mask |= GCStipple; | |
3276 | #endif | |
3277 | relief->gc = XCreateGC (NULL, FRAME_W32_WINDOW (f), mask, &xgcv); | |
3278 | } | |
3279 | else | |
3280 | XChangeGC (NULL, relief->gc, mask, &xgcv); | |
3281 | } | |
3282 | ||
3283 | ||
3284 | /* Set up colors for the relief lines around glyph string S. */ | |
3285 | ||
3286 | static void | |
3287 | x_setup_relief_colors (s) | |
3288 | struct glyph_string *s; | |
3289 | { | |
3290 | struct w32_output *di = s->f->output_data.w32; | |
3291 | COLORREF color; | |
3292 | ||
3293 | if (s->face->use_box_color_for_shadows_p) | |
3294 | color = s->face->box_color; | |
3295 | else | |
3296 | color = s->gc->background; | |
3297 | ||
3298 | if (di->white_relief.gc == 0 | |
3299 | || color != di->relief_background) | |
3300 | { | |
3301 | di->relief_background = color; | |
3302 | w32_setup_relief_color (s->f, &di->white_relief, 1.2, 0x8000, | |
3303 | WHITE_PIX_DEFAULT (s->f)); | |
3304 | w32_setup_relief_color (s->f, &di->black_relief, 0.6, 0x4000, | |
3305 | BLACK_PIX_DEFAULT (s->f)); | |
3306 | } | |
3307 | } | |
3308 | ||
3309 | ||
3310 | /* Draw a relief on frame F inside the rectangle given by LEFT_X, | |
3311 | TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief | |
3312 | to draw, it must be >= 0. RAISED_P non-zero means draw a raised | |
3313 | relief. LEFT_P non-zero means draw a relief on the left side of | |
3314 | the rectangle. RIGHT_P non-zero means draw a relief on the right | |
3315 | side of the rectangle. CLIP_RECT is the clipping rectangle to use | |
3316 | when drawing. */ | |
3317 | ||
3318 | static void | |
3319 | w32_draw_relief_rect (f, left_x, top_y, right_x, bottom_y, width, | |
3320 | raised_p, left_p, right_p, clip_rect) | |
3321 | struct frame *f; | |
3322 | int left_x, top_y, right_x, bottom_y, left_p, right_p, raised_p; | |
3323 | RECT *clip_rect; | |
3324 | { | |
3325 | int i; | |
3326 | XGCValues gc; | |
3327 | HDC hdc = get_frame_dc (f); | |
3328 | ||
3329 | if (raised_p) | |
3330 | gc.foreground = PALETTERGB (255, 255, 255); | |
3331 | else | |
3332 | gc.foreground = PALETTERGB (0, 0, 0); | |
3333 | ||
3334 | w32_set_clip_rectangle (hdc, clip_rect); | |
3335 | ||
3336 | /* Top. */ | |
3337 | for (i = 0; i < width; ++i) | |
3338 | { | |
3339 | w32_fill_area (f, hdc, gc.foreground, | |
3340 | left_x + i * left_p, top_y + i, | |
3341 | (right_x + 1 - i * right_p) - (left_x + i * left_p), 1); | |
3342 | } | |
3343 | ||
3344 | /* Left. */ | |
3345 | if (left_p) | |
3346 | for (i = 0; i < width; ++i) | |
3347 | { | |
3348 | w32_fill_area (f, hdc, gc.foreground, | |
3349 | left_x + i, top_y + i, 1, | |
3350 | (bottom_y - i) - (top_y + i)); | |
3351 | } | |
3352 | ||
3353 | w32_set_clip_rectangle (hdc, NULL); | |
3354 | ||
3355 | if (raised_p) | |
3356 | gc.foreground = PALETTERGB (0, 0, 0); | |
3357 | else | |
3358 | gc.foreground = PALETTERGB (255, 255, 255); | |
3359 | ||
3360 | w32_set_clip_rectangle (hdc, clip_rect); | |
3361 | ||
3362 | /* Bottom. */ | |
3363 | for (i = 0; i < width; ++i) | |
3364 | { | |
3365 | w32_fill_area (f, hdc, gc.foreground, | |
3366 | left_x + i * left_p, bottom_y - i, | |
3367 | (right_x + 1 - i * right_p) - left_x + i * left_p, 1); | |
3368 | } | |
3369 | ||
3370 | /* Right. */ | |
3371 | if (right_p) | |
3372 | for (i = 0; i < width; ++i) | |
3373 | { | |
3374 | w32_fill_area (f, hdc, gc.foreground, | |
3375 | right_x - i, top_y + i + 1, 1, | |
3376 | (bottom_y - i) - (top_y + i + 1)); | |
3377 | } | |
3378 | ||
3379 | w32_set_clip_rectangle (hdc, NULL); | |
3380 | ||
3381 | release_frame_dc (f, hdc); | |
3382 | } | |
3383 | ||
3384 | ||
3385 | /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y, | |
3386 | RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to | |
3387 | draw, it must be >= 0. LEFT_P non-zero means draw a line on the | |
3388 | left side of the rectangle. RIGHT_P non-zero means draw a line | |
3389 | on the right side of the rectangle. CLIP_RECT is the clipping | |
3390 | rectangle to use when drawing. */ | |
3391 | ||
3392 | static void | |
3393 | w32_draw_box_rect (s, left_x, top_y, right_x, bottom_y, width, | |
3394 | left_p, right_p, clip_rect) | |
3395 | struct glyph_string *s; | |
3396 | int left_x, top_y, right_x, bottom_y, width, left_p, right_p; | |
3397 | RECT *clip_rect; | |
3398 | { | |
00fe468b | 3399 | w32_set_clip_rectangle (s->hdc, clip_rect); |
791f420f JR |
3400 | |
3401 | /* Top. */ | |
00fe468b | 3402 | w32_fill_area (s->f, s->hdc, s->face->box_color, |
791f420f JR |
3403 | left_x, top_y, right_x - left_x, width); |
3404 | ||
3405 | /* Left. */ | |
3406 | if (left_p) | |
3407 | { | |
00fe468b | 3408 | w32_fill_area (s->f, s->hdc, s->face->box_color, |
791f420f JR |
3409 | left_x, top_y, width, bottom_y - top_y); |
3410 | } | |
3411 | ||
3412 | /* Bottom. */ | |
00fe468b | 3413 | w32_fill_area (s->f, s->hdc, s->face->box_color, |
791f420f JR |
3414 | left_x, bottom_y - width, right_x - left_x, width); |
3415 | ||
3416 | /* Right. */ | |
3417 | if (right_p) | |
3418 | { | |
00fe468b | 3419 | w32_fill_area (s->f, s->hdc, s->face->box_color, |
791f420f JR |
3420 | right_x - width, top_y, width, bottom_y - top_y); |
3421 | } | |
3422 | ||
00fe468b | 3423 | w32_set_clip_rectangle (s->hdc, NULL); |
791f420f JR |
3424 | } |
3425 | ||
3426 | ||
3427 | /* Draw a box around glyph string S. */ | |
3428 | ||
3429 | static void | |
3430 | x_draw_glyph_string_box (s) | |
3431 | struct glyph_string *s; | |
3432 | { | |
3433 | int width, left_x, right_x, top_y, bottom_y, last_x, raised_p; | |
3434 | int left_p, right_p; | |
3435 | struct glyph *last_glyph; | |
3436 | RECT clip_rect; | |
3437 | ||
3438 | last_x = window_box_right (s->w, s->area); | |
3439 | if (s->row->full_width_p | |
3440 | && !s->w->pseudo_window_p) | |
3441 | { | |
3442 | last_x += FRAME_X_RIGHT_FLAGS_AREA_WIDTH (s->f); | |
3443 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (s->f)) | |
3444 | last_x += FRAME_SCROLL_BAR_WIDTH (s->f) * CANON_X_UNIT (s->f); | |
3445 | } | |
3446 | ||
3447 | /* The glyph that may have a right box line. */ | |
3448 | last_glyph = (s->cmp || s->img | |
3449 | ? s->first_glyph | |
3450 | : s->first_glyph + s->nchars - 1); | |
3451 | ||
3452 | width = s->face->box_line_width; | |
3453 | raised_p = s->face->box == FACE_RAISED_BOX; | |
3454 | left_x = s->x; | |
3455 | right_x = ((s->row->full_width_p | |
3456 | ? last_x - 1 | |
3457 | : min (last_x, s->x + s->background_width) - 1)); | |
3458 | top_y = s->y; | |
3459 | bottom_y = top_y + s->height - 1; | |
3460 | ||
3461 | left_p = (s->first_glyph->left_box_line_p | |
3462 | || (s->hl == DRAW_MOUSE_FACE | |
3463 | && (s->prev == NULL | |
3464 | || s->prev->hl != s->hl))); | |
3465 | right_p = (last_glyph->right_box_line_p | |
3466 | || (s->hl == DRAW_MOUSE_FACE | |
3467 | && (s->next == NULL | |
3468 | || s->next->hl != s->hl))); | |
3469 | ||
3470 | w32_get_glyph_string_clip_rect (s, &clip_rect); | |
3471 | ||
3472 | if (s->face->box == FACE_SIMPLE_BOX) | |
3473 | w32_draw_box_rect (s, left_x, top_y, right_x, bottom_y, width, | |
3474 | left_p, right_p, &clip_rect); | |
3475 | else | |
3476 | { | |
3477 | x_setup_relief_colors (s); | |
3478 | w32_draw_relief_rect (s->f, left_x, top_y, right_x, bottom_y, | |
3479 | width, raised_p, left_p, right_p, &clip_rect); | |
3480 | } | |
3481 | } | |
3482 | ||
3483 | ||
3484 | /* Draw foreground of image glyph string S. */ | |
3485 | ||
3486 | static void | |
3487 | x_draw_image_foreground (s) | |
3488 | struct glyph_string *s; | |
3489 | { | |
3490 | int x; | |
3491 | int y = s->ybase - IMAGE_ASCENT (s->img); | |
3492 | ||
3493 | /* If first glyph of S has a left box line, start drawing it to the | |
3494 | right of that line. */ | |
3495 | if (s->face->box != FACE_NO_BOX | |
3496 | && s->first_glyph->left_box_line_p) | |
3497 | x = s->x + s->face->box_line_width; | |
3498 | else | |
3499 | x = s->x; | |
3500 | ||
3501 | /* If there is a margin around the image, adjust x- and y-position | |
3502 | by that margin. */ | |
3503 | if (s->img->margin) | |
3504 | { | |
3505 | x += s->img->margin; | |
3506 | y += s->img->margin; | |
3507 | } | |
3508 | ||
3509 | SaveDC (s->hdc); | |
3510 | ||
3511 | if (s->img->pixmap) | |
3512 | { | |
3513 | #if 0 /* NTEMACS_TODO: image mask */ | |
3514 | if (s->img->mask) | |
3515 | { | |
3516 | /* We can't set both a clip mask and use XSetClipRectangles | |
3517 | because the latter also sets a clip mask. We also can't | |
3518 | trust on the shape extension to be available | |
3519 | (XShapeCombineRegion). So, compute the rectangle to draw | |
3520 | manually. */ | |
3521 | unsigned long mask = (GCClipMask | GCClipXOrigin | GCClipYOrigin | |
3522 | | GCFunction); | |
3523 | XGCValues xgcv; | |
3524 | XRectangle clip_rect, image_rect, r; | |
3525 | ||
3526 | xgcv.clip_mask = s->img->mask; | |
3527 | xgcv.clip_x_origin = x; | |
3528 | xgcv.clip_y_origin = y; | |
3529 | xgcv.function = GXcopy; | |
3530 | XChangeGC (s->display, s->gc, mask, &xgcv); | |
3531 | ||
3532 | w32_get_glyph_string_clip_rect (s, &clip_rect); | |
3533 | image_rect.x = x; | |
3534 | image_rect.y = y; | |
3535 | image_rect.width = s->img->width; | |
3536 | image_rect.height = s->img->height; | |
3537 | if (w32_intersect_rectangles (&clip_rect, &image_rect, &r)) | |
3538 | XCopyArea (s->display, s->img->pixmap, s->window, s->gc, | |
3539 | r.x - x, r.y - y, r.width, r.height, r.x, r.y); | |
3540 | } | |
3541 | else | |
3542 | #endif | |
3543 | { | |
3544 | HDC compat_hdc = CreateCompatibleDC (s->hdc); | |
3545 | HBRUSH fg_brush = CreateSolidBrush (s->gc->foreground); | |
3546 | HBRUSH orig_brush = SelectObject (s->hdc, fg_brush); | |
3547 | HGDIOBJ orig_obj = SelectObject (compat_hdc, s->img->pixmap); | |
3548 | ||
3549 | SetTextColor (s->hdc, s->gc->foreground); | |
3550 | SetBkColor (s->hdc, s->gc->background); | |
3551 | #if 0 /* From w32bdf.c (which is from Meadow). */ | |
3552 | BitBlt (s->hdc, x, y, s->img->width, s->img->height, | |
3553 | compat_hdc, 0, 0, SRCCOPY); | |
3554 | #else | |
3555 | BitBlt (s->hdc, x, y, s->img->width, s->img->height, | |
3556 | compat_hdc, 0, 0, 0xB8074A); | |
3557 | #endif | |
3558 | SelectObject (s->hdc, orig_brush); | |
3559 | DeleteObject (fg_brush); | |
3560 | SelectObject (compat_hdc, orig_obj); | |
3561 | DeleteDC (compat_hdc); | |
3562 | ||
3563 | /* When the image has a mask, we can expect that at | |
3564 | least part of a mouse highlight or a block cursor will | |
3565 | be visible. If the image doesn't have a mask, make | |
3566 | a block cursor visible by drawing a rectangle around | |
3567 | the image. I believe it's looking better if we do | |
3568 | nothing here for mouse-face. */ | |
3569 | if (s->hl == DRAW_CURSOR) | |
3570 | w32_draw_rectangle (s->hdc, s->gc, x, y, s->img->width - 1, | |
3571 | s->img->height - 1); | |
3572 | } | |
3573 | } | |
3574 | else | |
3575 | w32_draw_rectangle (s->hdc, s->gc, x, y, s->img->width -1, | |
3576 | s->img->height - 1); | |
ee78dc32 | 3577 | |
791f420f JR |
3578 | RestoreDC (s->hdc ,-1); |
3579 | } | |
ee78dc32 | 3580 | |
791f420f JR |
3581 | |
3582 | ||
3583 | /* Draw a relief around the image glyph string S. */ | |
3584 | ||
3585 | static void | |
3586 | x_draw_image_relief (s) | |
3587 | struct glyph_string *s; | |
3588 | { | |
3589 | int x0, y0, x1, y1, thick, raised_p; | |
3590 | RECT r; | |
3591 | int x; | |
3592 | int y = s->ybase - IMAGE_ASCENT (s->img); | |
3593 | ||
3594 | /* If first glyph of S has a left box line, start drawing it to the | |
3595 | right of that line. */ | |
3596 | if (s->face->box != FACE_NO_BOX | |
3597 | && s->first_glyph->left_box_line_p) | |
3598 | x = s->x + s->face->box_line_width; | |
3599 | else | |
3600 | x = s->x; | |
3601 | ||
3602 | /* If there is a margin around the image, adjust x- and y-position | |
3603 | by that margin. */ | |
3604 | if (s->img->margin) | |
3605 | { | |
3606 | x += s->img->margin; | |
3607 | y += s->img->margin; | |
3608 | } | |
3609 | ||
3610 | if (s->hl == DRAW_IMAGE_SUNKEN | |
3611 | || s->hl == DRAW_IMAGE_RAISED) | |
3612 | { | |
3613 | thick = tool_bar_button_relief > 0 ? tool_bar_button_relief : 3; | |
3614 | raised_p = s->hl == DRAW_IMAGE_RAISED; | |
3615 | } | |
3616 | else | |
ee78dc32 | 3617 | { |
791f420f JR |
3618 | thick = abs (s->img->relief); |
3619 | raised_p = s->img->relief > 0; | |
3620 | } | |
3621 | ||
3622 | x0 = x - thick; | |
3623 | y0 = y - thick; | |
3624 | x1 = x + s->img->width + thick - 1; | |
3625 | y1 = y + s->img->height + thick - 1; | |
3626 | ||
3627 | x_setup_relief_colors (s); | |
3628 | w32_get_glyph_string_clip_rect (s, &r); | |
3629 | w32_draw_relief_rect (s->f, x0, y0, x1, y1, thick, raised_p, 1, 1, &r); | |
3630 | } | |
ee78dc32 | 3631 | |
791f420f JR |
3632 | |
3633 | /* Draw the foreground of image glyph string S to PIXMAP. */ | |
3634 | ||
3635 | static void | |
3636 | w32_draw_image_foreground_1 (s, pixmap) | |
3637 | struct glyph_string *s; | |
3638 | HBITMAP pixmap; | |
3639 | { | |
3640 | HDC hdc = CreateCompatibleDC (s->hdc); | |
3641 | HGDIOBJ orig_hdc_obj = SelectObject (hdc, pixmap); | |
3642 | int x; | |
3643 | int y = s->ybase - s->y - IMAGE_ASCENT (s->img); | |
3644 | ||
3645 | /* If first glyph of S has a left box line, start drawing it to the | |
3646 | right of that line. */ | |
3647 | if (s->face->box != FACE_NO_BOX | |
3648 | && s->first_glyph->left_box_line_p) | |
3649 | x = s->face->box_line_width; | |
3650 | else | |
3651 | x = 0; | |
3652 | ||
3653 | /* If there is a margin around the image, adjust x- and y-position | |
3654 | by that margin. */ | |
3655 | if (s->img->margin) | |
3656 | { | |
3657 | x += s->img->margin; | |
3658 | y += s->img->margin; | |
3659 | } | |
3660 | ||
3661 | if (s->img->pixmap) | |
3662 | { | |
3663 | #if 0 /* NTEMACS_TODO: image mask */ | |
3664 | if (s->img->mask) | |
3665 | { | |
3666 | /* We can't set both a clip mask and use XSetClipRectangles | |
3667 | because the latter also sets a clip mask. We also can't | |
3668 | trust on the shape extension to be available | |
3669 | (XShapeCombineRegion). So, compute the rectangle to draw | |
3670 | manually. */ | |
3671 | unsigned long mask = (GCClipMask | GCClipXOrigin | GCClipYOrigin | |
3672 | | GCFunction); | |
3673 | XGCValues xgcv; | |
3674 | ||
3675 | xgcv.clip_mask = s->img->mask; | |
3676 | xgcv.clip_x_origin = x; | |
3677 | xgcv.clip_y_origin = y; | |
3678 | xgcv.function = GXcopy; | |
3679 | XChangeGC (s->display, s->gc, mask, &xgcv); | |
3680 | ||
3681 | XCopyArea (s->display, s->img->pixmap, pixmap, s->gc, | |
3682 | 0, 0, s->img->width, s->img->height, x, y); | |
3683 | XSetClipMask (s->display, s->gc, None); | |
3684 | } | |
3685 | else | |
3686 | #endif | |
ef0e360f | 3687 | { |
791f420f JR |
3688 | HDC compat_hdc = CreateCompatibleDC (hdc); |
3689 | HBRUSH fg_brush = CreateSolidBrush (s->gc->foreground); | |
3690 | HBRUSH orig_brush = SelectObject (hdc, fg_brush); | |
3691 | HGDIOBJ orig_obj = SelectObject (compat_hdc, s->img->pixmap); | |
3692 | ||
3693 | SetTextColor (hdc, s->gc->foreground); | |
3694 | SetBkColor (hdc, s->gc->background); | |
3695 | #if 0 /* From w32bdf.c (which is from Meadow). */ | |
3696 | BitBlt (hdc, x, y, s->img->width, s->img->height, | |
3697 | compat_hdc, 0, 0, SRCCOPY); | |
3698 | #else | |
3699 | BitBlt (hdc, x, y, s->img->width, s->img->height, | |
3700 | compat_hdc, 0, 0, 0xB8074A); | |
3701 | #endif | |
3702 | SelectObject (hdc, orig_brush); | |
3703 | DeleteObject (fg_brush); | |
3704 | SelectObject (compat_hdc, orig_obj); | |
3705 | DeleteDC (compat_hdc); | |
3706 | ||
3707 | /* When the image has a mask, we can expect that at | |
3708 | least part of a mouse highlight or a block cursor will | |
3709 | be visible. If the image doesn't have a mask, make | |
3710 | a block cursor visible by drawing a rectangle around | |
3711 | the image. I believe it's looking better if we do | |
3712 | nothing here for mouse-face. */ | |
3713 | if (s->hl == DRAW_CURSOR) | |
3714 | w32_draw_rectangle (hdc, s->gc, x, y, s->img->width - 1, | |
3715 | s->img->height - 1); | |
ef0e360f | 3716 | } |
791f420f JR |
3717 | } |
3718 | else | |
3719 | w32_draw_rectangle (hdc, s->gc, x, y, s->img->width - 1, | |
3720 | s->img->height - 1); | |
3721 | ||
3722 | SelectObject (hdc, orig_hdc_obj); | |
3723 | DeleteDC (hdc); | |
3724 | } | |
3725 | ||
3726 | ||
3727 | /* Draw part of the background of glyph string S. X, Y, W, and H | |
3728 | give the rectangle to draw. */ | |
3729 | ||
3730 | static void | |
3731 | x_draw_glyph_string_bg_rect (s, x, y, w, h) | |
3732 | struct glyph_string *s; | |
3733 | int x, y, w, h; | |
3734 | { | |
3735 | #if 0 /* NTEMACS_TODO: stipple */ | |
3736 | if (s->stippled_p) | |
3737 | { | |
3738 | /* Fill background with a stipple pattern. */ | |
3739 | XSetFillStyle (s->display, s->gc, FillOpaqueStippled); | |
3740 | XFillRectangle (s->display, s->window, s->gc, x, y, w, h); | |
3741 | XSetFillStyle (s->display, s->gc, FillSolid); | |
3742 | } | |
3743 | else | |
3744 | #endif | |
3745 | x_clear_glyph_string_rect (s, x, y, w, h); | |
3746 | } | |
3747 | ||
3748 | ||
3749 | /* Draw image glyph string S. | |
3750 | ||
3751 | s->y | |
3752 | s->x +------------------------- | |
3753 | | s->face->box | |
3754 | | | |
3755 | | +------------------------- | |
3756 | | | s->img->margin | |
3757 | | | | |
3758 | | | +------------------- | |
3759 | | | | the image | |
cabb23bc | 3760 | |
791f420f JR |
3761 | */ |
3762 | ||
3763 | static void | |
3764 | x_draw_image_glyph_string (s) | |
3765 | struct glyph_string *s; | |
3766 | { | |
3767 | int x, y; | |
3768 | int box_line_width = s->face->box_line_width; | |
3769 | int margin = s->img->margin; | |
3770 | int height; | |
3771 | HBITMAP pixmap = 0; | |
3772 | ||
3773 | height = s->height - 2 * box_line_width; | |
3774 | ||
3775 | /* Fill background with face under the image. Do it only if row is | |
3776 | taller than image or if image has a clip mask to reduce | |
3777 | flickering. */ | |
3778 | s->stippled_p = s->face->stipple != 0; | |
3779 | if (height > s->img->height | |
3780 | || margin | |
3781 | #if 0 /* NTEMACS_TODO: image mask */ | |
3782 | || s->img->mask | |
3783 | #endif | |
3784 | || s->img->pixmap == 0 | |
3785 | || s->width != s->background_width) | |
3786 | { | |
3787 | if (box_line_width && s->first_glyph->left_box_line_p) | |
3788 | x = s->x + box_line_width; | |
3789 | else | |
3790 | x = s->x; | |
3791 | ||
3792 | y = s->y + box_line_width; | |
3793 | #if 0 /* NTEMACS_TODO: image mask */ | |
3794 | if (s->img->mask) | |
ee78dc32 | 3795 | { |
791f420f JR |
3796 | /* Create a pixmap as large as the glyph string Fill it with |
3797 | the background color. Copy the image to it, using its | |
3798 | mask. Copy the temporary pixmap to the display. */ | |
3799 | Screen *screen = FRAME_X_SCREEN (s->f); | |
3800 | int depth = DefaultDepthOfScreen (screen); | |
3801 | ||
3802 | /* Create a pixmap as large as the glyph string. */ | |
3803 | pixmap = XCreatePixmap (s->display, s->window, | |
3804 | s->background_width, | |
3805 | s->height, depth); | |
3806 | ||
3807 | /* Don't clip in the following because we're working on the | |
3808 | pixmap. */ | |
3809 | XSetClipMask (s->display, s->gc, None); | |
ee78dc32 | 3810 | |
791f420f JR |
3811 | /* Fill the pixmap with the background color/stipple. */ |
3812 | if (s->stippled_p) | |
3813 | { | |
3814 | /* Fill background with a stipple pattern. */ | |
3815 | XSetFillStyle (s->display, s->gc, FillOpaqueStippled); | |
3816 | XFillRectangle (s->display, pixmap, s->gc, | |
3817 | 0, 0, s->background_width, s->height); | |
3818 | XSetFillStyle (s->display, s->gc, FillSolid); | |
3819 | } | |
ef0e360f | 3820 | else |
791f420f JR |
3821 | { |
3822 | XGCValues xgcv; | |
3823 | XGetGCValues (s->display, s->gc, GCForeground | GCBackground, | |
3824 | &xgcv); | |
3825 | XSetForeground (s->display, s->gc, xgcv.background); | |
3826 | XFillRectangle (s->display, pixmap, s->gc, | |
3827 | 0, 0, s->background_width, s->height); | |
3828 | XSetForeground (s->display, s->gc, xgcv.foreground); | |
3829 | } | |
ee78dc32 | 3830 | } |
791f420f JR |
3831 | else |
3832 | #endif | |
3833 | /* Implementation idea: Is it possible to construct a mask? | |
3834 | We could look at the color at the margins of the image, and | |
3835 | say that this color is probably the background color of the | |
3836 | image. */ | |
3837 | x_draw_glyph_string_bg_rect (s, x, y, s->background_width, height); | |
3838 | ||
3839 | s->background_filled_p = 1; | |
3840 | } | |
ee78dc32 | 3841 | |
791f420f JR |
3842 | /* Draw the foreground. */ |
3843 | if (pixmap != 0) | |
3844 | { | |
3845 | w32_draw_image_foreground_1 (s, pixmap); | |
3846 | x_set_glyph_string_clipping (s); | |
ee78dc32 | 3847 | { |
791f420f JR |
3848 | HDC compat_hdc = CreateCompatibleDC (s->hdc); |
3849 | HBRUSH fg_brush = CreateSolidBrush (s->gc->foreground); | |
3850 | HBRUSH orig_brush = SelectObject (s->hdc, fg_brush); | |
3851 | HGDIOBJ orig_obj = SelectObject (compat_hdc, pixmap); | |
3852 | ||
3853 | SetTextColor (s->hdc, s->gc->foreground); | |
3854 | SetBkColor (s->hdc, s->gc->background); | |
3855 | #if 0 /* From w32bdf.c (which is from Meadow). */ | |
3856 | BitBlt (s->hdc, s->x, s->y, s->background_width, s->height, | |
3857 | compat_hdc, 0, 0, SRCCOPY); | |
3858 | #else | |
3859 | BitBlt (s->hdc, s->x, s->y, s->background_width, s->height, | |
3860 | compat_hdc, 0, 0, 0xB8074A); | |
3861 | #endif | |
3862 | SelectObject (s->hdc, orig_brush); | |
3863 | DeleteObject (fg_brush); | |
3864 | SelectObject (compat_hdc, orig_obj); | |
3865 | DeleteDC (compat_hdc); | |
3866 | } | |
3867 | DeleteObject (pixmap); | |
3868 | pixmap = 0; | |
3869 | } | |
3870 | else | |
3871 | x_draw_image_foreground (s); | |
ee78dc32 | 3872 | |
791f420f JR |
3873 | /* If we must draw a relief around the image, do it. */ |
3874 | if (s->img->relief | |
3875 | || s->hl == DRAW_IMAGE_RAISED | |
3876 | || s->hl == DRAW_IMAGE_SUNKEN) | |
3877 | x_draw_image_relief (s); | |
3878 | } | |
ee78dc32 | 3879 | |
cabb23bc | 3880 | |
791f420f | 3881 | /* Draw stretch glyph string S. */ |
cabb23bc | 3882 | |
791f420f JR |
3883 | static void |
3884 | x_draw_stretch_glyph_string (s) | |
3885 | struct glyph_string *s; | |
3886 | { | |
3887 | xassert (s->first_glyph->type == STRETCH_GLYPH); | |
3888 | s->stippled_p = s->face->stipple != 0; | |
65c4903c | 3889 | |
791f420f JR |
3890 | if (s->hl == DRAW_CURSOR |
3891 | && !x_stretch_cursor_p) | |
3892 | { | |
3893 | /* If `x-stretch-block-cursor' is nil, don't draw a block cursor | |
3894 | as wide as the stretch glyph. */ | |
3895 | int width = min (CANON_X_UNIT (s->f), s->background_width); | |
cabb23bc | 3896 | |
791f420f JR |
3897 | /* Draw cursor. */ |
3898 | x_draw_glyph_string_bg_rect (s, s->x, s->y, width, s->height); | |
cabb23bc | 3899 | |
791f420f JR |
3900 | /* Clear rest using the GC of the original non-cursor face. */ |
3901 | if (width < s->background_width) | |
3902 | { | |
3903 | XGCValues *gc = s->face->gc; | |
3904 | int x = s->x + width, y = s->y; | |
3905 | int w = s->background_width - width, h = s->height; | |
3906 | RECT r; | |
3907 | HDC hdc = s->hdc; | |
3908 | w32_get_glyph_string_clip_rect (s, &r); | |
3909 | w32_set_clip_rectangle (hdc, &r); | |
3910 | ||
3911 | #if 0 /* NTEMACS_TODO: stipple */ | |
3912 | if (s->face->stipple) | |
3913 | { | |
3914 | /* Fill background with a stipple pattern. */ | |
3915 | XSetFillStyle (s->display, gc, FillOpaqueStippled); | |
3916 | XFillRectangle (s->display, s->window, gc, x, y, w, h); | |
3917 | XSetFillStyle (s->display, gc, FillSolid); | |
3918 | } | |
3919 | else | |
3920 | #endif | |
3921 | { | |
3922 | w32_fill_area (s->f, s->hdc, gc->background, x, y, w, h); | |
3923 | } | |
3924 | } | |
3925 | } | |
3926 | else | |
3927 | x_draw_glyph_string_bg_rect (s, s->x, s->y, s->background_width, | |
3928 | s->height); | |
3929 | ||
3930 | s->background_filled_p = 1; | |
3931 | } | |
cabb23bc | 3932 | |
cabb23bc | 3933 | |
791f420f JR |
3934 | /* Draw glyph string S. */ |
3935 | ||
3936 | static void | |
3937 | x_draw_glyph_string (s) | |
3938 | struct glyph_string *s; | |
3939 | { | |
3940 | /* If S draws into the background of its successor, draw the | |
3941 | background of the successor first so that S can draw into it. | |
3942 | This makes S->next use XDrawString instead of XDrawImageString. */ | |
3943 | if (s->next && s->right_overhang && !s->for_overlaps_p) | |
3944 | { | |
3945 | xassert (s->next->img == NULL); | |
3946 | x_set_glyph_string_gc (s->next); | |
3947 | x_set_glyph_string_clipping (s->next); | |
3948 | x_draw_glyph_string_background (s->next, 1); | |
3949 | } | |
3950 | ||
3951 | /* Set up S->gc, set clipping and draw S. */ | |
3952 | x_set_glyph_string_gc (s); | |
3953 | x_set_glyph_string_clipping (s); | |
3954 | ||
3955 | switch (s->first_glyph->type) | |
3956 | { | |
3957 | case IMAGE_GLYPH: | |
3958 | x_draw_image_glyph_string (s); | |
3959 | break; | |
3960 | ||
3961 | case STRETCH_GLYPH: | |
3962 | x_draw_stretch_glyph_string (s); | |
3963 | break; | |
3964 | ||
3965 | case CHAR_GLYPH: | |
3966 | if (s->for_overlaps_p) | |
3967 | s->background_filled_p = 1; | |
3968 | else | |
3969 | x_draw_glyph_string_background (s, 0); | |
3970 | x_draw_glyph_string_foreground (s); | |
3971 | break; | |
3972 | ||
3973 | case COMPOSITE_GLYPH: | |
3974 | if (s->for_overlaps_p || s->gidx > 0) | |
3975 | s->background_filled_p = 1; | |
3976 | else | |
3977 | x_draw_glyph_string_background (s, 1); | |
3978 | x_draw_composite_glyph_string_foreground (s); | |
3979 | break; | |
3980 | ||
3981 | default: | |
3982 | abort (); | |
3983 | } | |
3984 | ||
3985 | if (!s->for_overlaps_p) | |
3986 | { | |
3987 | /* Draw underline. */ | |
3988 | if (s->face->underline_p && (!s->font->bdf && !s->font->tm.tmUnderlined)) | |
3989 | { | |
3990 | unsigned long h = 1; | |
3991 | unsigned long dy = s->height - h; | |
3992 | ||
3993 | if (s->face->underline_defaulted_p) | |
3994 | { | |
3995 | w32_fill_area (s->f, s->hdc, s->gc->foreground, s->x, | |
3996 | s->y + dy, s->width, 1); | |
3997 | } | |
3998 | else | |
3999 | { | |
4000 | w32_fill_area (s->f, s->hdc, s->face->underline_color, s->x, | |
4001 | s->y + dy, s->width, 1); | |
4002 | } | |
4003 | } | |
4004 | ||
4005 | /* Draw overline. */ | |
4006 | if (s->face->overline_p) | |
4007 | { | |
4008 | unsigned long dy = 0, h = 1; | |
4009 | ||
4010 | if (s->face->overline_color_defaulted_p) | |
4011 | { | |
4012 | w32_fill_area (s->f, s->hdc, s->gc->foreground, s->x, | |
4013 | s->y + dy, s->width, h); | |
4014 | } | |
4015 | else | |
4016 | { | |
4017 | w32_fill_area (s->f, s->hdc, s->face->underline_color, s->x, | |
4018 | s->y + dy, s->width, h); | |
4019 | } | |
4020 | } | |
4021 | ||
4022 | /* Draw strike-through. */ | |
4023 | if (s->face->strike_through_p && (!s->font->bdf &&!s->font->tm.tmStruckOut)) | |
4024 | { | |
4025 | unsigned long h = 1; | |
4026 | unsigned long dy = (s->height - h) / 2; | |
4027 | ||
4028 | if (s->face->strike_through_color_defaulted_p) | |
4029 | { | |
4030 | w32_fill_area (s->f, s->hdc, s->gc->foreground, s->x, s->y + dy, | |
4031 | s->width, h); | |
4032 | } | |
4033 | else | |
4034 | { | |
4035 | w32_fill_area (s->f, s->hdc, s->face->underline_color, s->x, | |
4036 | s->y + dy, s->width, h); | |
4037 | } | |
4038 | } | |
4039 | ||
4040 | /* Draw relief. */ | |
4041 | if (s->face->box != FACE_NO_BOX) | |
4042 | x_draw_glyph_string_box (s); | |
4043 | } | |
4044 | ||
4045 | /* Reset clipping. */ | |
4046 | w32_set_clip_rectangle (s->hdc, NULL); | |
4047 | } | |
4048 | ||
4049 | ||
4050 | static int x_fill_composite_glyph_string P_ ((struct glyph_string *, | |
4051 | struct face **, int)); | |
4052 | ||
4053 | ||
4054 | /* Load glyph string S with a composition components specified by S->cmp. | |
4055 | FACES is an array of faces for all components of this composition. | |
4056 | S->gidx is the index of the first component for S. | |
4057 | OVERLAPS_P non-zero means S should draw the foreground only, and | |
4058 | use its lines physical height for clipping. | |
4059 | ||
4060 | Value is the index of a component not in S. */ | |
4061 | ||
4062 | static int | |
4063 | x_fill_composite_glyph_string (s, faces, overlaps_p) | |
4064 | struct glyph_string *s; | |
4065 | struct face **faces; | |
4066 | int overlaps_p; | |
4067 | { | |
4068 | int i; | |
4069 | ||
4070 | xassert (s); | |
4071 | ||
4072 | s->for_overlaps_p = overlaps_p; | |
4073 | ||
4074 | s->face = faces[s->gidx]; | |
4075 | s->font = s->face->font; | |
4076 | s->font_info = FONT_INFO_FROM_ID (s->f, s->face->font_info_id); | |
4077 | ||
4078 | /* For all glyphs of this composition, starting at the offset | |
4079 | S->gidx, until we reach the end of the definition or encounter a | |
4080 | glyph that requires the different face, add it to S. */ | |
4081 | ++s->nchars; | |
4082 | for (i = s->gidx + 1; i < s->cmp->glyph_len && faces[i] == s->face; ++i) | |
4083 | ++s->nchars; | |
4084 | ||
4085 | /* All glyph strings for the same composition has the same width, | |
4086 | i.e. the width set for the first component of the composition. */ | |
4087 | ||
4088 | s->width = s->first_glyph->pixel_width; | |
4089 | ||
4090 | /* If the specified font could not be loaded, use the frame's | |
4091 | default font, but record the fact that we couldn't load it in | |
4092 | the glyph string so that we can draw rectangles for the | |
4093 | characters of the glyph string. */ | |
4094 | if (s->font == NULL) | |
4095 | { | |
4096 | s->font_not_found_p = 1; | |
4097 | s->font = FRAME_FONT (s->f); | |
4098 | } | |
4099 | ||
4100 | /* Adjust base line for subscript/superscript text. */ | |
4101 | s->ybase += s->first_glyph->voffset; | |
4102 | ||
4103 | xassert (s->face && s->face->gc); | |
4104 | ||
4105 | /* This glyph string must always be drawn with 16-bit functions. */ | |
4106 | s->two_byte_p = 1; | |
4107 | ||
4108 | return s->gidx + s->nchars; | |
4109 | } | |
4110 | ||
4111 | ||
4112 | /* Load glyph string S with a sequence of characters. | |
4113 | FACE_ID is the face id of the string. START is the index of the | |
4114 | first glyph to consider, END is the index of the last + 1. | |
4115 | OVERLAPS_P non-zero means S should draw the foreground only, and | |
4116 | use its lines physical height for clipping. | |
4117 | ||
4118 | Value is the index of the first glyph not in S. */ | |
4119 | ||
4120 | static int | |
4121 | x_fill_glyph_string (s, face_id, start, end, overlaps_p) | |
4122 | struct glyph_string *s; | |
4123 | int face_id; | |
4124 | int start, end, overlaps_p; | |
4125 | { | |
4126 | struct glyph *glyph, *last; | |
4127 | int voffset; | |
4128 | ||
4129 | xassert (s->f == XFRAME (s->w->frame)); | |
4130 | xassert (s->nchars == 0); | |
4131 | xassert (start >= 0 && end > start); | |
4132 | ||
4133 | s->for_overlaps_p = overlaps_p; | |
4134 | ||
4135 | glyph = s->row->glyphs[s->area] + start; | |
4136 | last = s->row->glyphs[s->area] + end; | |
4137 | voffset = glyph->voffset; | |
4138 | ||
4139 | while (glyph < last | |
4140 | && glyph->type == CHAR_GLYPH | |
4141 | && glyph->voffset == voffset | |
4142 | /* Same face id implies same charset, nowadays. */ | |
4143 | && glyph->face_id == face_id) | |
4144 | { | |
4145 | s->face = x_get_glyph_face_and_encoding (s->f, glyph, | |
4146 | s->char2b + s->nchars); | |
4147 | if (BYTE2(s->char2b[s->nchars]) != 0) | |
4148 | s->two_byte_p = 1; | |
4149 | ||
4150 | ++s->nchars; | |
4151 | xassert (s->nchars <= end - start); | |
4152 | s->width += glyph->pixel_width; | |
4153 | ++glyph; | |
4154 | } | |
4155 | ||
4156 | s->font = s->face->font; | |
4157 | s->font_info = FONT_INFO_FROM_ID (s->f, s->face->font_info_id); | |
4158 | ||
4159 | /* If the specified font could not be loaded, use the frame's font, | |
4160 | but record the fact that we couldn't load it in | |
4161 | S->font_not_found_p so that we can draw rectangles for the | |
4162 | characters of the glyph string. */ | |
4163 | if (s->font == NULL) | |
4164 | { | |
4165 | s->font_not_found_p = 1; | |
4166 | s->font = FRAME_FONT (s->f); | |
4167 | } | |
4168 | ||
4169 | /* Adjust base line for subscript/superscript text. */ | |
4170 | s->ybase += voffset; | |
4171 | ||
4172 | xassert (s->face && s->face->gc); | |
4173 | return glyph - s->row->glyphs[s->area]; | |
4174 | } | |
4175 | ||
4176 | ||
4177 | /* Fill glyph string S from image glyph S->first_glyph. */ | |
4178 | ||
4179 | static void | |
4180 | x_fill_image_glyph_string (s) | |
4181 | struct glyph_string *s; | |
4182 | { | |
4183 | xassert (s->first_glyph->type == IMAGE_GLYPH); | |
4184 | s->img = IMAGE_FROM_ID (s->f, s->first_glyph->u.img_id); | |
4185 | xassert (s->img); | |
4186 | s->face = FACE_FROM_ID (s->f, s->first_glyph->face_id); | |
4187 | s->font = s->face->font; | |
4188 | s->width = s->first_glyph->pixel_width; | |
4189 | ||
4190 | /* Adjust base line for subscript/superscript text. */ | |
4191 | s->ybase += s->first_glyph->voffset; | |
4192 | } | |
4193 | ||
4194 | ||
4195 | /* Fill glyph string S from stretch glyph S->first_glyph. */ | |
4196 | ||
4197 | static void | |
4198 | x_fill_stretch_glyph_string (s) | |
4199 | struct glyph_string *s; | |
4200 | { | |
4201 | xassert (s->first_glyph->type == STRETCH_GLYPH); | |
4202 | s->face = FACE_FROM_ID (s->f, s->first_glyph->face_id); | |
4203 | s->font = s->face->font; | |
4204 | s->width = s->first_glyph->pixel_width; | |
4205 | ||
4206 | /* Adjust base line for subscript/superscript text. */ | |
4207 | s->ybase += s->first_glyph->voffset; | |
4208 | } | |
4209 | ||
4210 | ||
4211 | /* Initialize glyph string S. CHAR2B is a suitably allocated vector | |
4212 | of XChar2b structures for S; it can't be allocated in | |
4213 | x_init_glyph_string because it must be allocated via `alloca'. W | |
4214 | is the window on which S is drawn. ROW and AREA are the glyph row | |
4215 | and area within the row from which S is constructed. START is the | |
4216 | index of the first glyph structure covered by S. HL is a | |
4217 | face-override for drawing S. */ | |
4218 | ||
4219 | static void | |
4220 | w32_init_glyph_string (s, hdc, char2b, w, row, area, start, hl) | |
4221 | struct glyph_string *s; | |
4222 | HDC hdc; | |
4223 | wchar_t *char2b; | |
4224 | struct window *w; | |
4225 | struct glyph_row *row; | |
4226 | enum glyph_row_area area; | |
4227 | int start; | |
4228 | enum draw_glyphs_face hl; | |
4229 | { | |
4230 | bzero (s, sizeof *s); | |
4231 | s->w = w; | |
4232 | s->f = XFRAME (w->frame); | |
4233 | s->hdc = hdc; | |
4234 | s->window = FRAME_W32_WINDOW (s->f); | |
4235 | s->char2b = char2b; | |
4236 | s->hl = hl; | |
4237 | s->row = row; | |
4238 | s->area = area; | |
4239 | s->first_glyph = row->glyphs[area] + start; | |
4240 | s->height = row->height; | |
4241 | s->y = WINDOW_TO_FRAME_PIXEL_Y (w, row->y); | |
4242 | ||
4243 | /* Display the internal border below the tool-bar window. */ | |
4244 | if (s->w == XWINDOW (s->f->tool_bar_window)) | |
4245 | s->y -= s->f->output_data.w32->internal_border_width; | |
4246 | ||
4247 | s->ybase = s->y + row->ascent; | |
4248 | } | |
4249 | ||
4250 | ||
4251 | /* Set background width of glyph string S. START is the index of the | |
4252 | first glyph following S. LAST_X is the right-most x-position + 1 | |
4253 | in the drawing area. */ | |
4254 | ||
4255 | static INLINE void | |
4256 | x_set_glyph_string_background_width (s, start, last_x) | |
4257 | struct glyph_string *s; | |
4258 | int start; | |
4259 | int last_x; | |
4260 | { | |
4261 | /* If the face of this glyph string has to be drawn to the end of | |
4262 | the drawing area, set S->extends_to_end_of_line_p. */ | |
4263 | struct face *default_face = FACE_FROM_ID (s->f, DEFAULT_FACE_ID); | |
4264 | ||
4265 | if (start == s->row->used[s->area] | |
4266 | && s->hl == DRAW_NORMAL_TEXT | |
4267 | && ((s->area == TEXT_AREA && s->row->fill_line_p) | |
4268 | || s->face->background != default_face->background | |
4269 | || s->face->stipple != default_face->stipple)) | |
4270 | s->extends_to_end_of_line_p = 1; | |
4271 | ||
4272 | /* If S extends its face to the end of the line, set its | |
4273 | background_width to the distance to the right edge of the drawing | |
4274 | area. */ | |
4275 | if (s->extends_to_end_of_line_p) | |
4276 | s->background_width = last_x - s->x + 1; | |
4277 | else | |
4278 | s->background_width = s->width; | |
4279 | } | |
4280 | ||
4281 | ||
4282 | /* Add a glyph string for a stretch glyph to the list of strings | |
4283 | between HEAD and TAIL. START is the index of the stretch glyph in | |
4284 | row area AREA of glyph row ROW. END is the index of the last glyph | |
4285 | in that glyph row area. X is the current output position assigned | |
4286 | to the new glyph string constructed. HL overrides that face of the | |
4287 | glyph; e.g. it is DRAW_CURSOR if a cursor has to be drawn. LAST_X | |
4288 | is the right-most x-position of the drawing area. */ | |
4289 | ||
4290 | #define BUILD_STRETCH_GLYPH_STRING(hdc, W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X) \ | |
4291 | do \ | |
4292 | { \ | |
4293 | s = (struct glyph_string *) alloca (sizeof *s); \ | |
4294 | w32_init_glyph_string (s, hdc, NULL, W, ROW, AREA, START, HL); \ | |
4295 | x_fill_stretch_glyph_string (s); \ | |
4296 | x_append_glyph_string (&HEAD, &TAIL, s); \ | |
4297 | ++START; \ | |
4298 | s->x = (X); \ | |
4299 | } \ | |
4300 | while (0) | |
4301 | ||
4302 | ||
4303 | /* Add a glyph string for an image glyph to the list of strings | |
4304 | between HEAD and TAIL. START is the index of the image glyph in | |
4305 | row area AREA of glyph row ROW. END is the index of the last glyph | |
4306 | in that glyph row area. X is the current output position assigned | |
4307 | to the new glyph string constructed. HL overrides that face of the | |
4308 | glyph; e.g. it is DRAW_CURSOR if a cursor has to be drawn. LAST_X | |
4309 | is the right-most x-position of the drawing area. */ | |
4310 | ||
4311 | #define BUILD_IMAGE_GLYPH_STRING(hdc, W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X) \ | |
4312 | do \ | |
4313 | { \ | |
4314 | s = (struct glyph_string *) alloca (sizeof *s); \ | |
4315 | w32_init_glyph_string (s, hdc, NULL, W, ROW, AREA, START, HL); \ | |
4316 | x_fill_image_glyph_string (s); \ | |
4317 | x_append_glyph_string (&HEAD, &TAIL, s); \ | |
4318 | ++START; \ | |
4319 | s->x = (X); \ | |
4320 | } \ | |
4321 | while (0) | |
4322 | ||
4323 | ||
4324 | /* Add a glyph string for a sequence of character glyphs to the list | |
4325 | of strings between HEAD and TAIL. START is the index of the first | |
4326 | glyph in row area AREA of glyph row ROW that is part of the new | |
4327 | glyph string. END is the index of the last glyph in that glyph row | |
4328 | area. X is the current output position assigned to the new glyph | |
4329 | string constructed. HL overrides that face of the glyph; e.g. it | |
4330 | is DRAW_CURSOR if a cursor has to be drawn. LAST_X is the | |
4331 | right-most x-position of the drawing area. */ | |
4332 | ||
4333 | #define BUILD_CHAR_GLYPH_STRINGS(hdc, W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X, OVERLAPS_P) \ | |
4334 | do \ | |
4335 | { \ | |
4336 | int c, charset, face_id; \ | |
4337 | wchar_t *char2b; \ | |
4338 | \ | |
4339 | c = (ROW)->glyphs[AREA][START].u.ch; \ | |
4340 | charset = CHAR_CHARSET (c); \ | |
4341 | face_id = (ROW)->glyphs[AREA][START].face_id; \ | |
4342 | s = (struct glyph_string *) alloca (sizeof *s); \ | |
4343 | char2b = (wchar_t *) alloca ((END - START) * sizeof *char2b); \ | |
4344 | w32_init_glyph_string (s, hdc, char2b, W, ROW, AREA, START, HL); \ | |
4345 | x_append_glyph_string (&HEAD, &TAIL, s); \ | |
4346 | s->charset = charset; \ | |
4347 | s->x = (X); \ | |
4348 | START = x_fill_glyph_string (s, face_id, START, END, \ | |
4349 | OVERLAPS_P); \ | |
4350 | } \ | |
4351 | while (0) | |
4352 | ||
4353 | ||
4354 | /* Add a glyph string for a composite sequence to the list of strings | |
4355 | between HEAD and TAIL. START is the index of the first glyph in | |
4356 | row area AREA of glyph row ROW that is part of the new glyph | |
4357 | string. END is the index of the last glyph in that glyph row area. | |
4358 | X is the current output position assigned to the new glyph string | |
4359 | constructed. HL overrides that face of the glyph; e.g. it is | |
4360 | DRAW_CURSOR if a cursor has to be drawn. LAST_X is the right-most | |
4361 | x-position of the drawing area. */ | |
4362 | ||
4363 | #define BUILD_COMPOSITE_GLYPH_STRING(hdc, W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X, OVERLAPS_P) \ | |
4364 | do { \ | |
4365 | int cmp_id = (ROW)->glyphs[AREA][START].u.cmp_id; \ | |
4366 | int face_id = (ROW)->glyphs[AREA][START].face_id; \ | |
4367 | struct composition *cmp = composition_table[cmp_id]; \ | |
4368 | int glyph_len = cmp->glyph_len; \ | |
4369 | wchar_t *char2b; \ | |
4370 | struct face **faces; \ | |
4371 | struct glyph_string *first_s = NULL; \ | |
4372 | int n; \ | |
4373 | \ | |
4374 | char2b = (wchar_t *) alloca ((sizeof *char2b) * glyph_len); \ | |
4375 | faces = (struct face **) alloca ((sizeof *faces) * glyph_len); \ | |
4376 | /* At first, fill in `char2b' and `faces'. */ \ | |
4377 | for (n = 0; n < glyph_len; n++) \ | |
4378 | { \ | |
4379 | int c = COMPOSITION_GLYPH (cmp, n); \ | |
4380 | faces[n] = x_get_char_face_and_encoding (XFRAME (w->frame), c, \ | |
4381 | face_id, char2b + n, 1); \ | |
4382 | } \ | |
4383 | \ | |
4384 | /* Make glyph_strings for each glyph sequence that is drawable by \ | |
4385 | the same face, and append them to HEAD/TAIL. */ \ | |
4386 | for (n = 0; n < cmp->glyph_len;) \ | |
4387 | { \ | |
4388 | s = (struct glyph_string *) alloca (sizeof *s); \ | |
4389 | w32_init_glyph_string (s, hdc, char2b + n, W, ROW, AREA, START, HL); \ | |
4390 | x_append_glyph_string (&(HEAD), &(TAIL), s); \ | |
4391 | s->cmp = cmp; \ | |
4392 | s->gidx = n; \ | |
4393 | s->charset = 0; \ | |
4394 | s->x = (X); \ | |
4395 | \ | |
4396 | if (n == 0) \ | |
4397 | first_s = s; \ | |
4398 | \ | |
4399 | n = x_fill_composite_glyph_string (s, faces, OVERLAPS_P); \ | |
4400 | } \ | |
4401 | \ | |
4402 | ++START; \ | |
4403 | s = first_s; \ | |
4404 | } while (0) | |
4405 | ||
4406 | /* Build a list of glyph strings between HEAD and TAIL for the glyphs | |
4407 | of AREA of glyph row ROW on window W between indices START and END. | |
4408 | HL overrides the face for drawing glyph strings, e.g. it is | |
4409 | DRAW_CURSOR to draw a cursor. X and LAST_X are start and end | |
4410 | x-positions of the drawing area. | |
4411 | ||
4412 | This is an ugly monster macro construct because we must use alloca | |
4413 | to allocate glyph strings (because x_draw_glyphs can be called | |
4414 | asynchronously). */ | |
4415 | ||
4416 | #define BUILD_GLYPH_STRINGS(hdc, W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X, OVERLAPS_P) \ | |
4417 | do \ | |
4418 | { \ | |
4419 | HEAD = TAIL = NULL; \ | |
4420 | while (START < END) \ | |
4421 | { \ | |
4422 | struct glyph *first_glyph = (ROW)->glyphs[AREA] + START; \ | |
4423 | switch (first_glyph->type) \ | |
4424 | { \ | |
4425 | case CHAR_GLYPH: \ | |
4426 | BUILD_CHAR_GLYPH_STRINGS (hdc, W, ROW, AREA, START, END, \ | |
4427 | HEAD, TAIL, HL, X, LAST_X, \ | |
4428 | OVERLAPS_P); \ | |
4429 | break; \ | |
4430 | \ | |
4431 | case COMPOSITE_GLYPH: \ | |
4432 | BUILD_COMPOSITE_GLYPH_STRING (hdc, W, ROW, AREA, START, \ | |
4433 | END, HEAD, TAIL, HL, X, \ | |
4434 | LAST_X, OVERLAPS_P); \ | |
4435 | break; \ | |
4436 | \ | |
4437 | case STRETCH_GLYPH: \ | |
4438 | BUILD_STRETCH_GLYPH_STRING (hdc, W, ROW, AREA, START, END,\ | |
4439 | HEAD, TAIL, HL, X, LAST_X); \ | |
4440 | break; \ | |
4441 | \ | |
4442 | case IMAGE_GLYPH: \ | |
4443 | BUILD_IMAGE_GLYPH_STRING (hdc, W, ROW, AREA, START, END, \ | |
4444 | HEAD, TAIL, HL, X, LAST_X); \ | |
4445 | break; \ | |
4446 | \ | |
4447 | default: \ | |
4448 | abort (); \ | |
4449 | } \ | |
4450 | \ | |
4451 | x_set_glyph_string_background_width (s, START, LAST_X); \ | |
4452 | (X) += s->width; \ | |
4453 | } \ | |
4454 | } \ | |
4455 | while (0) | |
4456 | ||
4457 | ||
4458 | /* Draw glyphs between START and END in AREA of ROW on window W, | |
4459 | starting at x-position X. X is relative to AREA in W. HL is a | |
4460 | face-override with the following meaning: | |
4461 | ||
4462 | DRAW_NORMAL_TEXT draw normally | |
4463 | DRAW_CURSOR draw in cursor face | |
4464 | DRAW_MOUSE_FACE draw in mouse face. | |
4465 | DRAW_INVERSE_VIDEO draw in mode line face | |
4466 | DRAW_IMAGE_SUNKEN draw an image with a sunken relief around it | |
4467 | DRAW_IMAGE_RAISED draw an image with a raised relief around it | |
4468 | ||
4469 | If REAL_START is non-null, return in *REAL_START the real starting | |
4470 | position for display. This can be different from START in case | |
4471 | overlapping glyphs must be displayed. If REAL_END is non-null, | |
4472 | return in *REAL_END the real end position for display. This can be | |
4473 | different from END in case overlapping glyphs must be displayed. | |
4474 | ||
4475 | If OVERLAPS_P is non-zero, draw only the foreground of characters | |
4476 | and clip to the physical height of ROW. | |
4477 | ||
4478 | Value is the x-position reached, relative to AREA of W. */ | |
4479 | ||
4480 | static int | |
4481 | x_draw_glyphs (w, x, row, area, start, end, hl, real_start, real_end, | |
4482 | overlaps_p) | |
4483 | struct window *w; | |
4484 | int x; | |
4485 | struct glyph_row *row; | |
4486 | enum glyph_row_area area; | |
4487 | int start, end; | |
4488 | enum draw_glyphs_face hl; | |
4489 | int *real_start, *real_end; | |
4490 | int overlaps_p; | |
4491 | { | |
4492 | struct glyph_string *head, *tail; | |
4493 | struct glyph_string *s; | |
4494 | int last_x, area_width; | |
4495 | int x_reached; | |
4496 | int i, j; | |
4497 | HDC hdc = get_frame_dc (XFRAME (WINDOW_FRAME (w))); | |
4498 | ||
4499 | /* Let's rather be paranoid than getting a SEGV. */ | |
4500 | start = max (0, start); | |
4501 | end = min (end, row->used[area]); | |
4502 | if (real_start) | |
4503 | *real_start = start; | |
4504 | if (real_end) | |
4505 | *real_end = end; | |
4506 | ||
4507 | /* Translate X to frame coordinates. Set last_x to the right | |
4508 | end of the drawing area. */ | |
4509 | if (row->full_width_p) | |
4510 | { | |
4511 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
cabb23bc | 4512 | |
791f420f JR |
4513 | /* X is relative to the left edge of W, without scroll bars |
4514 | or flag areas. */ | |
4515 | /* int width = FRAME_FLAGS_AREA_WIDTH (f); */ | |
4516 | int window_left_x = WINDOW_LEFT_MARGIN (w) * CANON_X_UNIT (f); | |
ee78dc32 | 4517 | |
791f420f JR |
4518 | x += window_left_x; |
4519 | area_width = XFASTINT (w->width) * CANON_X_UNIT (f); | |
4520 | last_x = window_left_x + area_width; | |
ee78dc32 | 4521 | |
791f420f JR |
4522 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
4523 | { | |
4524 | int width = FRAME_SCROLL_BAR_WIDTH (f) * CANON_X_UNIT (f); | |
4525 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)) | |
4526 | last_x += width; | |
4527 | else | |
4528 | x -= width; | |
4529 | } | |
ee78dc32 | 4530 | |
791f420f JR |
4531 | x += FRAME_INTERNAL_BORDER_WIDTH (f); |
4532 | last_x -= FRAME_INTERNAL_BORDER_WIDTH (f); | |
4533 | } | |
4534 | else | |
4535 | { | |
4536 | x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, area, x); | |
4537 | area_width = window_box_width (w, area); | |
4538 | last_x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, area, area_width); | |
4539 | } | |
e12ca9c2 | 4540 | |
791f420f JR |
4541 | /* Build a doubly-linked list of glyph_string structures between |
4542 | head and tail from what we have to draw. Note that the macro | |
4543 | BUILD_GLYPH_STRINGS will modify its start parameter. That's | |
4544 | the reason we use a separate variable `i'. */ | |
4545 | i = start; | |
4546 | BUILD_GLYPH_STRINGS (hdc, w, row, area, i, end, head, tail, hl, x, last_x, | |
4547 | overlaps_p); | |
e12ca9c2 | 4548 | |
791f420f JR |
4549 | if (tail) |
4550 | x_reached = tail->x + tail->background_width; | |
4551 | else | |
4552 | x_reached = x; | |
e12ca9c2 | 4553 | |
791f420f JR |
4554 | /* If there are any glyphs with lbearing < 0 or rbearing > width in |
4555 | the row, redraw some glyphs in front or following the glyph | |
4556 | strings built above. */ | |
4557 | if (!overlaps_p && row->contains_overlapping_glyphs_p) | |
4558 | { | |
4559 | int dummy_x = 0; | |
4560 | struct glyph_string *h, *t; | |
4561 | ||
4562 | /* Compute overhangs for all glyph strings. */ | |
4563 | for (s = head; s; s = s->next) | |
4564 | x_compute_glyph_string_overhangs (s); | |
4565 | ||
4566 | /* Prepend glyph strings for glyphs in front of the first glyph | |
4567 | string that are overwritten because of the first glyph | |
4568 | string's left overhang. The background of all strings | |
4569 | prepended must be drawn because the first glyph string | |
4570 | draws over it. */ | |
4571 | i = x_left_overwritten (head); | |
4572 | if (i >= 0) | |
4573 | { | |
4574 | j = i; | |
4575 | BUILD_GLYPH_STRINGS (hdc, w, row, area, j, start, h, t, | |
4576 | DRAW_NORMAL_TEXT, dummy_x, last_x, | |
4577 | overlaps_p); | |
4578 | start = i; | |
4579 | if (real_start) | |
4580 | *real_start = start; | |
4581 | x_compute_overhangs_and_x (t, head->x, 1); | |
4582 | x_prepend_glyph_string_lists (&head, &tail, h, t); | |
4583 | } | |
ee78dc32 | 4584 | |
791f420f JR |
4585 | /* Prepend glyph strings for glyphs in front of the first glyph |
4586 | string that overwrite that glyph string because of their | |
4587 | right overhang. For these strings, only the foreground must | |
4588 | be drawn, because it draws over the glyph string at `head'. | |
4589 | The background must not be drawn because this would overwrite | |
4590 | right overhangs of preceding glyphs for which no glyph | |
4591 | strings exist. */ | |
4592 | i = x_left_overwriting (head); | |
4593 | if (i >= 0) | |
4594 | { | |
4595 | BUILD_GLYPH_STRINGS (hdc, w, row, area, i, start, h, t, | |
4596 | DRAW_NORMAL_TEXT, dummy_x, last_x, | |
4597 | overlaps_p); | |
4598 | ||
4599 | for (s = h; s; s = s->next) | |
4600 | s->background_filled_p = 1; | |
4601 | if (real_start) | |
4602 | *real_start = i; | |
4603 | x_compute_overhangs_and_x (t, head->x, 1); | |
4604 | x_prepend_glyph_string_lists (&head, &tail, h, t); | |
4605 | } | |
cabb23bc | 4606 | |
791f420f JR |
4607 | /* Append glyphs strings for glyphs following the last glyph |
4608 | string tail that are overwritten by tail. The background of | |
4609 | these strings has to be drawn because tail's foreground draws | |
4610 | over it. */ | |
4611 | i = x_right_overwritten (tail); | |
4612 | if (i >= 0) | |
4613 | { | |
4614 | BUILD_GLYPH_STRINGS (hdc, w, row, area, end, i, h, t, | |
4615 | DRAW_NORMAL_TEXT, x, last_x, | |
4616 | overlaps_p); | |
4617 | ||
4618 | x_compute_overhangs_and_x (h, tail->x + tail->width, 0); | |
4619 | x_append_glyph_string_lists (&head, &tail, h, t); | |
4620 | if (real_end) | |
4621 | *real_end = i; | |
4622 | } | |
cabb23bc | 4623 | |
791f420f JR |
4624 | /* Append glyph strings for glyphs following the last glyph |
4625 | string tail that overwrite tail. The foreground of such | |
4626 | glyphs has to be drawn because it writes into the background | |
4627 | of tail. The background must not be drawn because it could | |
4628 | paint over the foreground of following glyphs. */ | |
4629 | i = x_right_overwriting (tail); | |
4630 | if (i >= 0) | |
4631 | { | |
4632 | BUILD_GLYPH_STRINGS (hdc, w, row, area, end, i, h, t, | |
4633 | DRAW_NORMAL_TEXT, x, last_x, | |
4634 | overlaps_p); | |
4635 | ||
4636 | for (s = h; s; s = s->next) | |
4637 | s->background_filled_p = 1; | |
4638 | x_compute_overhangs_and_x (h, tail->x + tail->width, 0); | |
4639 | x_append_glyph_string_lists (&head, &tail, h, t); | |
4640 | if (real_end) | |
4641 | *real_end = i; | |
4642 | } | |
4643 | } | |
cabb23bc | 4644 | |
791f420f JR |
4645 | /* Draw all strings. */ |
4646 | for (s = head; s; s = s->next) | |
4647 | x_draw_glyph_string (s); | |
cabb23bc | 4648 | |
791f420f JR |
4649 | /* Value is the x-position up to which drawn, relative to AREA of W. |
4650 | This doesn't include parts drawn because of overhangs. */ | |
4651 | x_reached = FRAME_TO_WINDOW_PIXEL_X (w, x_reached); | |
4652 | if (!row->full_width_p) | |
4653 | { | |
4654 | if (area > LEFT_MARGIN_AREA) | |
4655 | x_reached -= window_box_width (w, LEFT_MARGIN_AREA); | |
4656 | if (area > TEXT_AREA) | |
4657 | x_reached -= window_box_width (w, TEXT_AREA); | |
4658 | } | |
cabb23bc | 4659 | |
791f420f | 4660 | release_frame_dc (XFRAME (WINDOW_FRAME (w)), hdc); |
65c4903c | 4661 | |
791f420f JR |
4662 | return x_reached; |
4663 | } | |
65c4903c | 4664 | |
cabb23bc | 4665 | |
791f420f JR |
4666 | /* Fix the display of area AREA of overlapping row ROW in window W. */ |
4667 | ||
4668 | static void | |
4669 | x_fix_overlapping_area (w, row, area) | |
4670 | struct window *w; | |
4671 | struct glyph_row *row; | |
4672 | enum glyph_row_area area; | |
4673 | { | |
4674 | int i, x; | |
4675 | ||
4676 | BLOCK_INPUT; | |
4677 | ||
4678 | if (area == LEFT_MARGIN_AREA) | |
4679 | x = 0; | |
4680 | else if (area == TEXT_AREA) | |
4681 | x = row->x + window_box_width (w, LEFT_MARGIN_AREA); | |
4682 | else | |
4683 | x = (window_box_width (w, LEFT_MARGIN_AREA) | |
4684 | + window_box_width (w, TEXT_AREA)); | |
b1ae662f | 4685 | |
791f420f JR |
4686 | for (i = 0; i < row->used[area];) |
4687 | { | |
4688 | if (row->glyphs[area][i].overlaps_vertically_p) | |
ee78dc32 | 4689 | { |
791f420f | 4690 | int start = i, start_x = x; |
ee78dc32 | 4691 | |
791f420f JR |
4692 | do |
4693 | { | |
4694 | x += row->glyphs[area][i].pixel_width; | |
4695 | ++i; | |
4696 | } | |
4697 | while (i < row->used[area] | |
4698 | && row->glyphs[area][i].overlaps_vertically_p); | |
cabb23bc | 4699 | |
791f420f JR |
4700 | x_draw_glyphs (w, start_x, row, area, start, i, |
4701 | (row->inverse_p | |
4702 | ? DRAW_INVERSE_VIDEO : DRAW_NORMAL_TEXT), | |
4703 | NULL, NULL, 1); | |
4704 | } | |
4705 | else | |
4706 | { | |
4707 | x += row->glyphs[area][i].pixel_width; | |
4708 | ++i; | |
4709 | } | |
4710 | } | |
4711 | ||
4712 | UNBLOCK_INPUT; | |
ee78dc32 GV |
4713 | } |
4714 | ||
ee78dc32 | 4715 | |
791f420f JR |
4716 | /* Output LEN glyphs starting at START at the nominal cursor position. |
4717 | Advance the nominal cursor over the text. The global variable | |
4718 | updated_window contains the window being updated, updated_row is | |
4719 | the glyph row being updated, and updated_area is the area of that | |
4720 | row being updated. */ | |
ee78dc32 | 4721 | |
96214669 | 4722 | static void |
791f420f JR |
4723 | x_write_glyphs (start, len) |
4724 | struct glyph *start; | |
ee78dc32 GV |
4725 | int len; |
4726 | { | |
791f420f | 4727 | int x, hpos, real_start, real_end; |
ee78dc32 | 4728 | |
791f420f | 4729 | xassert (updated_window && updated_row); |
ee78dc32 | 4730 | BLOCK_INPUT; |
791f420f JR |
4731 | |
4732 | /* Write glyphs. */ | |
ee78dc32 | 4733 | |
791f420f JR |
4734 | hpos = start - updated_row->glyphs[updated_area]; |
4735 | x = x_draw_glyphs (updated_window, output_cursor.x, | |
4736 | updated_row, updated_area, | |
4737 | hpos, hpos + len, | |
4738 | (updated_row->inverse_p | |
4739 | ? DRAW_INVERSE_VIDEO : DRAW_NORMAL_TEXT), | |
4740 | &real_start, &real_end, 0); | |
4741 | ||
4742 | /* If we drew over the cursor, note that it is not visible any more. */ | |
4743 | note_overwritten_text_cursor (updated_window, real_start, | |
4744 | real_end - real_start); | |
4745 | ||
4746 | UNBLOCK_INPUT; | |
4747 | ||
4748 | /* Advance the output cursor. */ | |
4749 | output_cursor.hpos += len; | |
4750 | output_cursor.x = x; | |
4751 | } | |
ee78dc32 | 4752 | |
ee78dc32 | 4753 | |
791f420f | 4754 | /* Insert LEN glyphs from START at the nominal cursor position. */ |
ee78dc32 | 4755 | |
791f420f JR |
4756 | static void |
4757 | x_insert_glyphs (start, len) | |
4758 | struct glyph *start; | |
4759 | register int len; | |
4760 | { | |
4761 | struct frame *f; | |
4762 | struct window *w; | |
4763 | int line_height, shift_by_width, shifted_region_width; | |
4764 | struct glyph_row *row; | |
4765 | struct glyph *glyph; | |
4766 | int frame_x, frame_y, hpos, real_start, real_end; | |
4767 | HDC hdc; | |
4768 | ||
4769 | xassert (updated_window && updated_row); | |
4770 | BLOCK_INPUT; | |
4771 | w = updated_window; | |
4772 | f = XFRAME (WINDOW_FRAME (w)); | |
4773 | hdc = get_frame_dc (f); | |
4774 | ||
4775 | /* Get the height of the line we are in. */ | |
4776 | row = updated_row; | |
4777 | line_height = row->height; | |
4778 | ||
4779 | /* Get the width of the glyphs to insert. */ | |
4780 | shift_by_width = 0; | |
4781 | for (glyph = start; glyph < start + len; ++glyph) | |
4782 | shift_by_width += glyph->pixel_width; | |
4783 | ||
4784 | /* Get the width of the region to shift right. */ | |
4785 | shifted_region_width = (window_box_width (w, updated_area) | |
4786 | - output_cursor.x | |
4787 | - shift_by_width); | |
4788 | ||
4789 | /* Shift right. */ | |
4790 | frame_x = WINDOW_TO_FRAME_PIXEL_X (w, output_cursor.x); | |
4791 | frame_y = WINDOW_TO_FRAME_PIXEL_Y (w, output_cursor.y); | |
4792 | BitBlt (hdc, frame_x + shift_by_width, frame_y, | |
4793 | shifted_region_width, line_height, | |
4794 | hdc, frame_x, frame_y, SRCCOPY); | |
4795 | ||
4796 | /* Write the glyphs. */ | |
4797 | hpos = start - row->glyphs[updated_area]; | |
4798 | x_draw_glyphs (w, output_cursor.x, row, updated_area, hpos, hpos + len, | |
4799 | DRAW_NORMAL_TEXT, &real_start, &real_end, 0); | |
4800 | note_overwritten_text_cursor (w, real_start, real_end - real_start); | |
4801 | ||
4802 | /* Advance the output cursor. */ | |
4803 | output_cursor.hpos += len; | |
4804 | output_cursor.x += shift_by_width; | |
4805 | release_frame_dc (f, hdc); | |
ee78dc32 GV |
4806 | |
4807 | UNBLOCK_INPUT; | |
4808 | } | |
791f420f JR |
4809 | |
4810 | ||
4811 | /* Delete N glyphs at the nominal cursor position. Not implemented | |
4812 | for X frames. */ | |
ee78dc32 | 4813 | |
96214669 | 4814 | static void |
791f420f JR |
4815 | x_delete_glyphs (n) |
4816 | register int n; | |
ee78dc32 | 4817 | { |
791f420f JR |
4818 | abort (); |
4819 | } | |
ee78dc32 | 4820 | |
ee78dc32 | 4821 | |
791f420f JR |
4822 | /* Erase the current text line from the nominal cursor position |
4823 | (inclusive) to pixel column TO_X (exclusive). The idea is that | |
4824 | everything from TO_X onward is already erased. | |
ee78dc32 | 4825 | |
791f420f JR |
4826 | TO_X is a pixel position relative to updated_area of |
4827 | updated_window. TO_X == -1 means clear to the end of this area. */ | |
11606873 | 4828 | |
791f420f JR |
4829 | static void |
4830 | x_clear_end_of_line (to_x) | |
4831 | int to_x; | |
4832 | { | |
4833 | struct frame *f; | |
4834 | struct window *w = updated_window; | |
4835 | int max_x, min_y, max_y; | |
4836 | int from_x, from_y, to_y; | |
4837 | ||
4838 | xassert (updated_window && updated_row); | |
4839 | f = XFRAME (w->frame); | |
4840 | ||
4841 | if (updated_row->full_width_p) | |
4842 | { | |
4843 | max_x = XFASTINT (w->width) * CANON_X_UNIT (f); | |
4844 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
4845 | && !w->pseudo_window_p) | |
4846 | max_x += FRAME_SCROLL_BAR_WIDTH (f) * CANON_X_UNIT (f); | |
4847 | } | |
4848 | else | |
4849 | max_x = window_box_width (w, updated_area); | |
4850 | max_y = window_text_bottom_y (w); | |
ee78dc32 | 4851 | |
791f420f JR |
4852 | /* TO_X == 0 means don't do anything. TO_X < 0 means clear to end |
4853 | of window. For TO_X > 0, truncate to end of drawing area. */ | |
4854 | if (to_x == 0) | |
4855 | return; | |
4856 | else if (to_x < 0) | |
4857 | to_x = max_x; | |
4858 | else | |
4859 | to_x = min (to_x, max_x); | |
ee78dc32 | 4860 | |
791f420f JR |
4861 | to_y = min (max_y, output_cursor.y + updated_row->height); |
4862 | ||
ee78dc32 | 4863 | /* Notice if the cursor will be cleared by this operation. */ |
791f420f JR |
4864 | if (!updated_row->full_width_p) |
4865 | note_overwritten_text_cursor (w, output_cursor.hpos, -1); | |
ee78dc32 | 4866 | |
791f420f JR |
4867 | from_x = output_cursor.x; |
4868 | ||
4869 | /* Translate to frame coordinates. */ | |
4870 | if (updated_row->full_width_p) | |
4871 | { | |
4872 | from_x = WINDOW_TO_FRAME_PIXEL_X (w, from_x); | |
4873 | to_x = WINDOW_TO_FRAME_PIXEL_X (w, to_x); | |
4874 | } | |
4875 | else | |
4876 | { | |
4877 | from_x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, updated_area, from_x); | |
4878 | to_x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, updated_area, to_x); | |
4879 | } | |
4880 | ||
4881 | min_y = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w); | |
4882 | from_y = WINDOW_TO_FRAME_PIXEL_Y (w, max (min_y, output_cursor.y)); | |
4883 | to_y = WINDOW_TO_FRAME_PIXEL_Y (w, to_y); | |
4884 | ||
4885 | /* Prevent inadvertently clearing to end of the X window. */ | |
4886 | if (to_x > from_x && to_y > from_y) | |
4887 | { | |
00fe468b | 4888 | HDC hdc; |
791f420f | 4889 | BLOCK_INPUT; |
00fe468b JR |
4890 | hdc = get_frame_dc (f); |
4891 | ||
4892 | w32_clear_area (f, hdc, from_x, from_y, to_x - from_x, to_y - from_y); | |
4893 | release_frame_dc (f, hdc); | |
791f420f JR |
4894 | UNBLOCK_INPUT; |
4895 | } | |
ee78dc32 GV |
4896 | } |
4897 | ||
791f420f JR |
4898 | |
4899 | /* Clear entire frame. If updating_frame is non-null, clear that | |
4900 | frame. Otherwise clear the selected frame. */ | |
4901 | ||
96214669 | 4902 | static void |
791f420f | 4903 | x_clear_frame () |
ee78dc32 | 4904 | { |
791f420f | 4905 | struct frame *f; |
ee78dc32 | 4906 | |
791f420f JR |
4907 | if (updating_frame) |
4908 | f = updating_frame; | |
4909 | else | |
4910 | f = SELECTED_FRAME (); | |
ee78dc32 | 4911 | |
791f420f JR |
4912 | /* Clearing the frame will erase any cursor, so mark them all as no |
4913 | longer visible. */ | |
4914 | mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f))); | |
4915 | output_cursor.hpos = output_cursor.vpos = 0; | |
4916 | output_cursor.x = -1; | |
ee78dc32 | 4917 | |
791f420f JR |
4918 | /* We don't set the output cursor here because there will always |
4919 | follow an explicit cursor_to. */ | |
ee78dc32 GV |
4920 | BLOCK_INPUT; |
4921 | ||
fbd6baed | 4922 | w32_clear_window (f); |
ee78dc32 GV |
4923 | |
4924 | /* We have to clear the scroll bars, too. If we have changed | |
4925 | colors or something like that, then they should be notified. */ | |
4926 | x_scroll_bar_clear (f); | |
4927 | ||
4928 | UNBLOCK_INPUT; | |
4929 | } | |
791f420f | 4930 | |
ee78dc32 GV |
4931 | \f |
4932 | /* Make audible bell. */ | |
4933 | ||
96214669 GV |
4934 | static void |
4935 | w32_ring_bell (void) | |
ee78dc32 GV |
4936 | { |
4937 | BLOCK_INPUT; | |
4938 | ||
4939 | if (visible_bell) | |
8331e676 GV |
4940 | { |
4941 | int i; | |
791f420f | 4942 | HWND hwnd = FRAME_W32_WINDOW (SELECTED_FRAME ()); |
8331e676 GV |
4943 | |
4944 | for (i = 0; i < 5; i++) | |
4945 | { | |
4946 | FlashWindow (hwnd, TRUE); | |
4947 | Sleep (10); | |
4948 | } | |
4949 | FlashWindow (hwnd, FALSE); | |
4950 | } | |
ee78dc32 | 4951 | else |
fbd6baed | 4952 | w32_sys_ring_bell (); |
ee78dc32 GV |
4953 | |
4954 | UNBLOCK_INPUT; | |
ee78dc32 | 4955 | } |
791f420f | 4956 | |
ee78dc32 | 4957 | \f |
791f420f JR |
4958 | /* Specify how many text lines, from the top of the window, |
4959 | should be affected by insert-lines and delete-lines operations. | |
4960 | This, and those operations, are used only within an update | |
4961 | that is bounded by calls to x_update_begin and x_update_end. */ | |
ee78dc32 | 4962 | |
96214669 | 4963 | static void |
791f420f JR |
4964 | w32_set_terminal_window (n) |
4965 | register int n; | |
ee78dc32 | 4966 | { |
791f420f | 4967 | /* This function intentionally left blank. */ |
ee78dc32 | 4968 | } |
791f420f JR |
4969 | \f |
4970 | ||
4971 | \f | |
4972 | /*********************************************************************** | |
4973 | Line Dance | |
4974 | ***********************************************************************/ | |
4975 | ||
4976 | /* Perform an insert-lines or delete-lines operation, inserting N | |
4977 | lines or deleting -N lines at vertical position VPOS. */ | |
ee78dc32 | 4978 | |
96214669 | 4979 | static void |
791f420f JR |
4980 | x_ins_del_lines (vpos, n) |
4981 | int vpos, n; | |
ee78dc32 GV |
4982 | { |
4983 | abort (); | |
4984 | } | |
791f420f JR |
4985 | |
4986 | ||
4987 | /* Scroll part of the display as described by RUN. */ | |
4988 | ||
4989 | static void | |
4990 | x_scroll_run (w, run) | |
4991 | struct window *w; | |
4992 | struct run *run; | |
4993 | { | |
4994 | struct frame *f = XFRAME (w->frame); | |
4995 | int x, y, width, height, from_y, to_y, bottom_y; | |
4996 | HDC hdc = get_frame_dc (f); | |
4997 | ||
4998 | /* Get frame-relative bounding box of the text display area of W, | |
4999 | without mode lines. Include in this box the flags areas to the | |
5000 | left and right of W. */ | |
5001 | window_box (w, -1, &x, &y, &width, &height); | |
5002 | width += FRAME_X_FLAGS_AREA_WIDTH (f); | |
5003 | x -= FRAME_X_LEFT_FLAGS_AREA_WIDTH (f); | |
5004 | ||
5005 | from_y = WINDOW_TO_FRAME_PIXEL_Y (w, run->current_y); | |
5006 | to_y = WINDOW_TO_FRAME_PIXEL_Y (w, run->desired_y); | |
5007 | bottom_y = y + height; | |
5008 | ||
5009 | if (to_y < from_y) | |
5010 | { | |
5011 | /* Scrolling up. Make sure we don't copy part of the mode | |
5012 | line at the bottom. */ | |
5013 | if (from_y + run->height > bottom_y) | |
5014 | height = bottom_y - from_y; | |
5015 | else | |
5016 | height = run->height; | |
5017 | } | |
5018 | else | |
5019 | { | |
5020 | /* Scolling down. Make sure we don't copy over the mode line. | |
5021 | at the bottom. */ | |
5022 | if (to_y + run->height > bottom_y) | |
5023 | height = bottom_y - to_y; | |
5024 | else | |
5025 | height = run->height; | |
5026 | } | |
5027 | ||
5028 | BLOCK_INPUT; | |
5029 | ||
5030 | /* Cursor off. Will be switched on again in x_update_window_end. */ | |
5031 | updated_window = w; | |
5032 | x_clear_cursor (w); | |
5033 | ||
5034 | BitBlt (hdc, x, to_y, width, height, hdc, x, from_y, SRCCOPY); | |
5035 | ||
5036 | UNBLOCK_INPUT; | |
5037 | release_frame_dc (f, hdc); | |
5038 | } | |
5039 | ||
ee78dc32 | 5040 | \f |
791f420f JR |
5041 | /*********************************************************************** |
5042 | Exposure Events | |
5043 | ***********************************************************************/ | |
5044 | ||
5045 | /* Redisplay an exposed area of frame F. X and Y are the upper-left | |
5046 | corner of the exposed rectangle. W and H are width and height of | |
5047 | the exposed area. All are pixel values. W or H zero means redraw | |
5048 | the entire frame. */ | |
ee78dc32 | 5049 | |
96214669 | 5050 | static void |
791f420f JR |
5051 | expose_frame (f, x, y, w, h) |
5052 | struct frame *f; | |
5053 | int x, y, w, h; | |
ee78dc32 | 5054 | { |
791f420f JR |
5055 | RECT r; |
5056 | ||
5057 | TRACE ((stderr, "expose_frame ")); | |
5058 | ||
5059 | /* No need to redraw if frame will be redrawn soon. */ | |
5060 | if (FRAME_GARBAGED_P (f)) | |
5061 | { | |
5062 | TRACE ((stderr, " garbaged\n")); | |
5063 | return; | |
5064 | } | |
5065 | ||
5066 | /* If basic faces haven't been realized yet, there is no point in | |
5067 | trying to redraw anything. This can happen when we get an expose | |
5068 | event while Emacs is starting, e.g. by moving another window. */ | |
5069 | if (FRAME_FACE_CACHE (f) == NULL | |
5070 | || FRAME_FACE_CACHE (f)->used < BASIC_FACE_ID_SENTINEL) | |
5071 | { | |
5072 | TRACE ((stderr, " no faces\n")); | |
5073 | return; | |
5074 | } | |
5075 | ||
5076 | if (w == 0 || h == 0) | |
5077 | { | |
5078 | r.left = r.top = 0; | |
5079 | r.right = CANON_X_UNIT (f) * f->width; | |
5080 | r.bottom = CANON_Y_UNIT (f) * f->height; | |
5081 | } | |
5082 | else | |
5083 | { | |
5084 | r.left = x; | |
5085 | r.top = y; | |
5086 | r.right = x + w; | |
5087 | r.bottom = y + h; | |
5088 | } | |
5089 | ||
5090 | TRACE ((stderr, "(%d, %d, %d, %d)\n", r.left, r.top, r.right, r.bottom)); | |
5091 | expose_window_tree (XWINDOW (f->root_window), &r); | |
5092 | ||
5093 | if (WINDOWP (f->tool_bar_window)) | |
5094 | { | |
5095 | struct window *w = XWINDOW (f->tool_bar_window); | |
5096 | RECT window_rect; | |
5097 | RECT intersection_rect; | |
5098 | int window_x, window_y, window_width, window_height; | |
5099 | ||
5100 | window_box (w, -1, &window_x, &window_y, &window_width, &window_height); | |
5101 | window_rect.left = window_x; | |
5102 | window_rect.top = window_y; | |
5103 | window_rect.right = window_x + window_width; | |
5104 | window_rect.bottom = window_y + window_height; | |
5105 | ||
5106 | if (w32_intersect_rectangles (&r, &window_rect, &intersection_rect)) | |
5107 | expose_window (w, &intersection_rect); | |
5108 | } | |
5109 | } | |
5110 | ||
5111 | ||
5112 | /* Redraw (parts) of all windows in the window tree rooted at W that | |
5113 | intersect R. R contains frame pixel coordinates. */ | |
5114 | ||
5115 | static void | |
5116 | expose_window_tree (w, r) | |
5117 | struct window *w; | |
5118 | RECT *r; | |
5119 | { | |
5120 | while (w) | |
5121 | { | |
5122 | if (!NILP (w->hchild)) | |
5123 | expose_window_tree (XWINDOW (w->hchild), r); | |
5124 | else if (!NILP (w->vchild)) | |
5125 | expose_window_tree (XWINDOW (w->vchild), r); | |
5126 | else | |
5127 | { | |
5128 | RECT window_rect; | |
5129 | RECT intersection_rect; | |
5130 | struct frame *f = XFRAME (w->frame); | |
5131 | int window_x, window_y, window_width, window_height; | |
5132 | ||
5133 | /* Frame-relative pixel rectangle of W. */ | |
5134 | window_box (w, -1, &window_x, &window_y, &window_width, | |
5135 | &window_height); | |
5136 | window_rect.left | |
5137 | = (window_x | |
5138 | - FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) | |
5139 | - FRAME_LEFT_SCROLL_BAR_WIDTH (f) * CANON_Y_UNIT (f)); | |
5140 | window_rect.top = window_y; | |
5141 | window_rect.right = window_rect.left | |
5142 | + (window_width | |
5143 | + FRAME_X_FLAGS_AREA_WIDTH (f) | |
5144 | + FRAME_SCROLL_BAR_WIDTH (f) * CANON_X_UNIT (f)); | |
5145 | window_rect.bottom = window_rect.top | |
5146 | + window_height + CURRENT_MODE_LINE_HEIGHT (w); | |
5147 | ||
5148 | if (w32_intersect_rectangles (r, &window_rect, &intersection_rect)) | |
5149 | expose_window (w, &intersection_rect); | |
5150 | } | |
5151 | ||
5152 | w = NILP (w->next) ? 0 : XWINDOW (w->next); | |
5153 | } | |
5154 | } | |
5155 | ||
5156 | ||
5157 | /* Redraw the part of glyph row area AREA of glyph row ROW on window W | |
5158 | which intersects rectangle R. R is in window-relative coordinates. */ | |
5159 | ||
5160 | static void | |
5161 | expose_area (w, row, r, area) | |
5162 | struct window *w; | |
5163 | struct glyph_row *row; | |
5164 | RECT *r; | |
5165 | enum glyph_row_area area; | |
5166 | { | |
5167 | int x; | |
5168 | struct glyph *first = row->glyphs[area]; | |
5169 | struct glyph *end = row->glyphs[area] + row->used[area]; | |
5170 | struct glyph *last; | |
5171 | int first_x; | |
5172 | ||
5173 | /* Set x to the window-relative start position for drawing glyphs of | |
5174 | AREA. The first glyph of the text area can be partially visible. | |
5175 | The first glyphs of other areas cannot. */ | |
5176 | if (area == LEFT_MARGIN_AREA) | |
5177 | x = 0; | |
5178 | else if (area == TEXT_AREA) | |
5179 | x = row->x + window_box_width (w, LEFT_MARGIN_AREA); | |
5180 | else | |
5181 | x = (window_box_width (w, LEFT_MARGIN_AREA) | |
5182 | + window_box_width (w, TEXT_AREA)); | |
5183 | ||
5184 | if (area == TEXT_AREA && row->fill_line_p) | |
5185 | /* If row extends face to end of line write the whole line. */ | |
5186 | x_draw_glyphs (w, x, row, area, | |
5187 | 0, row->used[area], | |
5188 | row->inverse_p ? DRAW_INVERSE_VIDEO : DRAW_NORMAL_TEXT, | |
5189 | NULL, NULL, 0); | |
5190 | else | |
5191 | { | |
5192 | /* Find the first glyph that must be redrawn. */ | |
5193 | while (first < end | |
5194 | && x + first->pixel_width < r->left) | |
5195 | { | |
5196 | x += first->pixel_width; | |
5197 | ++first; | |
5198 | } | |
5199 | ||
5200 | /* Find the last one. */ | |
5201 | last = first; | |
5202 | first_x = x; | |
5203 | while (last < end | |
5204 | && x < r->right) | |
5205 | { | |
5206 | x += last->pixel_width; | |
5207 | ++last; | |
5208 | } | |
5209 | ||
5210 | /* Repaint. */ | |
5211 | if (last > first) | |
5212 | x_draw_glyphs (w, first_x, row, area, | |
5213 | first - row->glyphs[area], | |
5214 | last - row->glyphs[area], | |
5215 | row->inverse_p ? DRAW_INVERSE_VIDEO : DRAW_NORMAL_TEXT, | |
5216 | NULL, NULL, 0); | |
5217 | } | |
5218 | } | |
5219 | ||
5220 | ||
5221 | /* Redraw the parts of the glyph row ROW on window W intersecting | |
5222 | rectangle R. R is in window-relative coordinates. */ | |
ee78dc32 | 5223 | |
791f420f JR |
5224 | static void |
5225 | expose_line (w, row, r) | |
5226 | struct window *w; | |
5227 | struct glyph_row *row; | |
5228 | RECT *r; | |
5229 | { | |
5230 | xassert (row->enabled_p); | |
5231 | ||
5232 | if (row->mode_line_p || w->pseudo_window_p) | |
5233 | x_draw_glyphs (w, 0, row, TEXT_AREA, 0, row->used[TEXT_AREA], | |
5234 | row->inverse_p ? DRAW_INVERSE_VIDEO : DRAW_NORMAL_TEXT, | |
5235 | NULL, NULL, 0); | |
ee78dc32 | 5236 | else |
791f420f JR |
5237 | { |
5238 | if (row->used[LEFT_MARGIN_AREA]) | |
5239 | expose_area (w, row, r, LEFT_MARGIN_AREA); | |
5240 | if (row->used[TEXT_AREA]) | |
5241 | expose_area (w, row, r, TEXT_AREA); | |
5242 | if (row->used[RIGHT_MARGIN_AREA]) | |
5243 | expose_area (w, row, r, RIGHT_MARGIN_AREA); | |
5244 | x_draw_row_bitmaps (w, row); | |
5245 | } | |
ee78dc32 | 5246 | } |
ee78dc32 | 5247 | |
ee78dc32 | 5248 | |
791f420f | 5249 | /* Return non-zero if W's cursor intersects rectangle R. */ |
96214669 | 5250 | |
791f420f JR |
5251 | static int |
5252 | x_phys_cursor_in_rect_p (w, r) | |
5253 | struct window *w; | |
5254 | RECT *r; | |
ee78dc32 | 5255 | { |
791f420f JR |
5256 | RECT cr, result; |
5257 | struct glyph *cursor_glyph; | |
ee78dc32 | 5258 | |
791f420f JR |
5259 | cursor_glyph = get_phys_cursor_glyph (w); |
5260 | if (cursor_glyph) | |
ee78dc32 | 5261 | { |
791f420f JR |
5262 | cr.left = w->phys_cursor.x; |
5263 | cr.top = w->phys_cursor.y; | |
5264 | cr.right = cr.left + cursor_glyph->pixel_width; | |
5265 | cr.bottom = cr.top + w->phys_cursor_height; | |
5266 | return w32_intersect_rectangles (&cr, r, &result); | |
ee78dc32 GV |
5267 | } |
5268 | else | |
791f420f | 5269 | return 0; |
ee78dc32 GV |
5270 | } |
5271 | ||
791f420f JR |
5272 | |
5273 | /* Redraw a rectangle of window W. R is a rectangle in window | |
5274 | relative coordinates. Call this function with input blocked. */ | |
5275 | ||
ee78dc32 | 5276 | static void |
791f420f JR |
5277 | expose_window (w, r) |
5278 | struct window *w; | |
5279 | RECT *r; | |
ee78dc32 | 5280 | { |
791f420f JR |
5281 | struct glyph_row *row; |
5282 | int y; | |
5283 | int yb = window_text_bottom_y (w); | |
5284 | int cursor_cleared_p; | |
5285 | ||
5286 | /* If window is not yet fully initialized, do nothing. This can | |
5287 | happen when toolkit scroll bars are used and a window is split. | |
5288 | Reconfiguring the scroll bar will generate an expose for a newly | |
5289 | created window. */ | |
5290 | if (w->current_matrix == NULL) | |
ee78dc32 GV |
5291 | return; |
5292 | ||
791f420f JR |
5293 | TRACE ((stderr, "expose_window (%d, %d, %d, %d)\n", |
5294 | r->left, r->top, r->right, r->bottom)); | |
ee78dc32 | 5295 | |
791f420f JR |
5296 | /* Convert to window coordinates. */ |
5297 | r->left = FRAME_TO_WINDOW_PIXEL_X (w, r->left); | |
5298 | r->top = FRAME_TO_WINDOW_PIXEL_Y (w, r->top); | |
5299 | r->right = FRAME_TO_WINDOW_PIXEL_X (w, r->right); | |
5300 | r->bottom = FRAME_TO_WINDOW_PIXEL_Y (w, r->bottom); | |
ee78dc32 | 5301 | |
791f420f JR |
5302 | /* Turn off the cursor. */ |
5303 | if (!w->pseudo_window_p | |
5304 | && x_phys_cursor_in_rect_p (w, r)) | |
5305 | { | |
5306 | x_clear_cursor (w); | |
5307 | cursor_cleared_p = 1; | |
5308 | } | |
5309 | else | |
5310 | cursor_cleared_p = 0; | |
5311 | ||
5312 | /* Find the first row intersecting the rectangle R. */ | |
5313 | row = w->current_matrix->rows; | |
5314 | y = 0; | |
5315 | while (row->enabled_p | |
5316 | && y < yb | |
5317 | && y + row->height < r->top) | |
5318 | { | |
5319 | y += row->height; | |
5320 | ++row; | |
5321 | } | |
5322 | ||
5323 | /* Display the text in the rectangle, one text line at a time. */ | |
5324 | while (row->enabled_p | |
5325 | && y < yb | |
5326 | && y < r->bottom) | |
5327 | { | |
5328 | expose_line (w, row, r); | |
5329 | y += row->height; | |
5330 | ++row; | |
5331 | } | |
ee78dc32 | 5332 | |
791f420f JR |
5333 | /* Display the mode line if there is one. */ |
5334 | if (WINDOW_WANTS_MODELINE_P (w) | |
5335 | && (row = MATRIX_MODE_LINE_ROW (w->current_matrix), | |
5336 | row->enabled_p) | |
5337 | && row->y < r->bottom) | |
5338 | expose_line (w, row, r); | |
689004fa | 5339 | |
791f420f JR |
5340 | if (!w->pseudo_window_p) |
5341 | { | |
5342 | /* Draw border between windows. */ | |
5343 | x_draw_vertical_border (w); | |
5344 | ||
5345 | /* Turn the cursor on again. */ | |
5346 | if (cursor_cleared_p) | |
5347 | x_update_window_cursor (w, 1); | |
5348 | } | |
ee78dc32 | 5349 | } |
ee78dc32 | 5350 | |
ee78dc32 | 5351 | |
791f420f JR |
5352 | /* Determine the intersection of two rectangles R1 and R2. Return |
5353 | the intersection in *RESULT. Value is non-zero if RESULT is not | |
5354 | empty. */ | |
ee78dc32 | 5355 | |
791f420f JR |
5356 | static int |
5357 | w32_intersect_rectangles (r1, r2, result) | |
5358 | RECT *r1, *r2, *result; | |
5359 | { | |
5360 | RECT *left, *right; | |
5361 | RECT *upper, *lower; | |
5362 | int intersection_p = 0; | |
5363 | ||
5364 | /* Arrange so that left is the left-most rectangle. */ | |
5365 | if (r1->left < r2->left) | |
5366 | left = r1, right = r2; | |
5367 | else | |
5368 | left = r2, right = r1; | |
ee78dc32 | 5369 | |
791f420f JR |
5370 | /* X0 of the intersection is right.x0, if this is inside R1, |
5371 | otherwise there is no intersection. */ | |
5372 | if (right->left <= left->right) | |
ee78dc32 | 5373 | { |
791f420f JR |
5374 | result->left = right->left; |
5375 | ||
5376 | /* The right end of the intersection is the minimum of the | |
5377 | the right ends of left and right. */ | |
5378 | result->right = min (left->right, right->right); | |
ee78dc32 | 5379 | |
791f420f JR |
5380 | /* Same game for Y. */ |
5381 | if (r1->top < r2->top) | |
5382 | upper = r1, lower = r2; | |
5383 | else | |
5384 | upper = r2, lower = r1; | |
ee78dc32 | 5385 | |
791f420f JR |
5386 | /* The upper end of the intersection is lower.y0, if this is inside |
5387 | of upper. Otherwise, there is no intersection. */ | |
5388 | if (lower->top <= upper->bottom) | |
daffac2f | 5389 | { |
791f420f JR |
5390 | result->top = lower->top; |
5391 | ||
5392 | /* The lower end of the intersection is the minimum of the lower | |
5393 | ends of upper and lower. */ | |
5394 | result->bottom = min (lower->bottom, upper->bottom); | |
5395 | intersection_p = 1; | |
daffac2f | 5396 | } |
ee78dc32 GV |
5397 | } |
5398 | ||
791f420f | 5399 | return intersection_p; |
ee78dc32 | 5400 | } |
791f420f | 5401 | |
ee78dc32 GV |
5402 | \f |
5403 | static void | |
5404 | frame_highlight (f) | |
5405 | struct frame *f; | |
5406 | { | |
791f420f | 5407 | x_update_cursor (f, 1); |
ee78dc32 GV |
5408 | } |
5409 | ||
5410 | static void | |
5411 | frame_unhighlight (f) | |
5412 | struct frame *f; | |
5413 | { | |
791f420f | 5414 | x_update_cursor (f, 1); |
ee78dc32 GV |
5415 | } |
5416 | ||
ee78dc32 GV |
5417 | |
5418 | /* The focus has changed. Update the frames as necessary to reflect | |
5419 | the new situation. Note that we can't change the selected frame | |
5420 | here, because the Lisp code we are interrupting might become confused. | |
5421 | Each event gets marked with the frame in which it occurred, so the | |
5422 | Lisp code can tell when the switch took place by examining the events. */ | |
5423 | ||
5424 | void | |
5425 | x_new_focus_frame (dpyinfo, frame) | |
fbd6baed | 5426 | struct w32_display_info *dpyinfo; |
ee78dc32 GV |
5427 | struct frame *frame; |
5428 | { | |
fbd6baed | 5429 | struct frame *old_focus = dpyinfo->w32_focus_frame; |
ee78dc32 | 5430 | |
fbd6baed | 5431 | if (frame != dpyinfo->w32_focus_frame) |
ee78dc32 GV |
5432 | { |
5433 | /* Set this before calling other routines, so that they see | |
fbd6baed GV |
5434 | the correct value of w32_focus_frame. */ |
5435 | dpyinfo->w32_focus_frame = frame; | |
ee78dc32 GV |
5436 | |
5437 | if (old_focus && old_focus->auto_lower) | |
5438 | x_lower_frame (old_focus); | |
5439 | ||
fbd6baed GV |
5440 | if (dpyinfo->w32_focus_frame && dpyinfo->w32_focus_frame->auto_raise) |
5441 | pending_autoraise_frame = dpyinfo->w32_focus_frame; | |
ee78dc32 GV |
5442 | else |
5443 | pending_autoraise_frame = 0; | |
5444 | } | |
5445 | ||
5446 | x_frame_rehighlight (dpyinfo); | |
5447 | } | |
5448 | ||
5449 | /* Handle an event saying the mouse has moved out of an Emacs frame. */ | |
5450 | ||
5451 | void | |
5452 | x_mouse_leave (dpyinfo) | |
fbd6baed | 5453 | struct w32_display_info *dpyinfo; |
ee78dc32 | 5454 | { |
fbd6baed | 5455 | x_new_focus_frame (dpyinfo, dpyinfo->w32_focus_event_frame); |
ee78dc32 GV |
5456 | } |
5457 | ||
5458 | /* The focus has changed, or we have redirected a frame's focus to | |
5459 | another frame (this happens when a frame uses a surrogate | |
5460 | minibuffer frame). Shift the highlight as appropriate. | |
5461 | ||
5462 | The FRAME argument doesn't necessarily have anything to do with which | |
5463 | frame is being highlighted or unhighlighted; we only use it to find | |
5464 | the appropriate display info. */ | |
5465 | static void | |
fbd6baed | 5466 | w32_frame_rehighlight (frame) |
ee78dc32 GV |
5467 | struct frame *frame; |
5468 | { | |
fbd6baed | 5469 | x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame)); |
ee78dc32 GV |
5470 | } |
5471 | ||
5472 | static void | |
5473 | x_frame_rehighlight (dpyinfo) | |
fbd6baed | 5474 | struct w32_display_info *dpyinfo; |
ee78dc32 | 5475 | { |
fbd6baed | 5476 | struct frame *old_highlight = dpyinfo->w32_highlight_frame; |
ee78dc32 | 5477 | |
fbd6baed | 5478 | if (dpyinfo->w32_focus_frame) |
ee78dc32 | 5479 | { |
fbd6baed GV |
5480 | dpyinfo->w32_highlight_frame |
5481 | = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo->w32_focus_frame))) | |
5482 | ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo->w32_focus_frame)) | |
5483 | : dpyinfo->w32_focus_frame); | |
5484 | if (! FRAME_LIVE_P (dpyinfo->w32_highlight_frame)) | |
ee78dc32 | 5485 | { |
fbd6baed GV |
5486 | FRAME_FOCUS_FRAME (dpyinfo->w32_focus_frame) = Qnil; |
5487 | dpyinfo->w32_highlight_frame = dpyinfo->w32_focus_frame; | |
ee78dc32 GV |
5488 | } |
5489 | } | |
5490 | else | |
fbd6baed | 5491 | dpyinfo->w32_highlight_frame = 0; |
ee78dc32 | 5492 | |
fbd6baed | 5493 | if (dpyinfo->w32_highlight_frame != old_highlight) |
ee78dc32 GV |
5494 | { |
5495 | if (old_highlight) | |
5496 | frame_unhighlight (old_highlight); | |
fbd6baed GV |
5497 | if (dpyinfo->w32_highlight_frame) |
5498 | frame_highlight (dpyinfo->w32_highlight_frame); | |
ee78dc32 GV |
5499 | } |
5500 | } | |
5501 | \f | |
5502 | /* Keyboard processing - modifier keys, etc. */ | |
5503 | ||
5504 | /* Convert a keysym to its name. */ | |
5505 | ||
5506 | char * | |
5507 | x_get_keysym_name (keysym) | |
5508 | int keysym; | |
5509 | { | |
5510 | /* Make static so we can always return it */ | |
5511 | static char value[100]; | |
5512 | ||
5513 | BLOCK_INPUT; | |
5514 | GetKeyNameText(keysym, value, 100); | |
5515 | UNBLOCK_INPUT; | |
5516 | ||
5517 | return value; | |
5518 | } | |
5519 | \f | |
5520 | /* Mouse clicks and mouse movement. Rah. */ | |
5521 | ||
5522 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return | |
5523 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle | |
5524 | that the glyph at X, Y occupies, if BOUNDS != 0. | |
5525 | If NOCLIP is nonzero, do not force the value into range. */ | |
5526 | ||
5527 | void | |
5528 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) | |
5529 | FRAME_PTR f; | |
5530 | register int pix_x, pix_y; | |
5531 | register int *x, *y; | |
5532 | RECT *bounds; | |
5533 | int noclip; | |
5534 | { | |
52cf03a1 GV |
5535 | /* Support tty mode: if Vwindow_system is nil, behave correctly. */ |
5536 | if (NILP (Vwindow_system)) | |
5537 | { | |
5538 | *x = pix_x; | |
5539 | *y = pix_y; | |
5540 | return; | |
5541 | } | |
5542 | ||
ee78dc32 GV |
5543 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
5544 | even for negative values. */ | |
5545 | if (pix_x < 0) | |
fbd6baed | 5546 | pix_x -= FONT_WIDTH ((f)->output_data.w32->font) - 1; |
ee78dc32 | 5547 | if (pix_y < 0) |
fbd6baed | 5548 | pix_y -= (f)->output_data.w32->line_height - 1; |
ee78dc32 GV |
5549 | |
5550 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); | |
5551 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
5552 | ||
5553 | if (bounds) | |
5554 | { | |
5555 | bounds->left = CHAR_TO_PIXEL_COL (f, pix_x); | |
5556 | bounds->top = CHAR_TO_PIXEL_ROW (f, pix_y); | |
fbd6baed GV |
5557 | bounds->right = bounds->left + FONT_WIDTH (f->output_data.w32->font) - 1; |
5558 | bounds->bottom = bounds->top + f->output_data.w32->line_height - 1; | |
ee78dc32 GV |
5559 | } |
5560 | ||
5561 | if (!noclip) | |
5562 | { | |
5563 | if (pix_x < 0) | |
5564 | pix_x = 0; | |
5565 | else if (pix_x > f->width) | |
5566 | pix_x = f->width; | |
5567 | ||
5568 | if (pix_y < 0) | |
5569 | pix_y = 0; | |
5570 | else if (pix_y > f->height) | |
5571 | pix_y = f->height; | |
5572 | } | |
5573 | ||
5574 | *x = pix_x; | |
5575 | *y = pix_y; | |
5576 | } | |
5577 | ||
791f420f JR |
5578 | |
5579 | /* Given HPOS/VPOS in the current matrix of W, return corresponding | |
5580 | frame-relative pixel positions in *FRAME_X and *FRAME_Y. If we | |
5581 | can't tell the positions because W's display is not up to date, | |
5582 | return 0. */ | |
5583 | ||
5584 | int | |
5585 | glyph_to_pixel_coords (w, hpos, vpos, frame_x, frame_y) | |
5586 | struct window *w; | |
5587 | int hpos, vpos; | |
5588 | int *frame_x, *frame_y; | |
ee78dc32 | 5589 | { |
791f420f JR |
5590 | int success_p; |
5591 | ||
5592 | xassert (hpos >= 0 && hpos < w->current_matrix->matrix_w); | |
5593 | xassert (vpos >= 0 && vpos < w->current_matrix->matrix_h); | |
5594 | ||
5595 | if (display_completed) | |
52cf03a1 | 5596 | { |
791f420f JR |
5597 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, vpos); |
5598 | struct glyph *glyph = row->glyphs[TEXT_AREA]; | |
5599 | struct glyph *end = glyph + min (hpos, row->used[TEXT_AREA]); | |
5600 | ||
5601 | *frame_y = row->y; | |
5602 | *frame_x = row->x; | |
5603 | while (glyph < end) | |
5604 | { | |
5605 | *frame_x += glyph->pixel_width; | |
5606 | ++glyph; | |
5607 | } | |
5608 | ||
5609 | success_p = 1; | |
5610 | } | |
5611 | else | |
5612 | { | |
5613 | *frame_y = *frame_x = 0; | |
5614 | success_p = 0; | |
52cf03a1 GV |
5615 | } |
5616 | ||
791f420f JR |
5617 | *frame_y = WINDOW_TO_FRAME_PIXEL_Y (w, *frame_y); |
5618 | *frame_x = WINDOW_TO_FRAME_PIXEL_X (w, *frame_x); | |
5619 | return success_p; | |
ee78dc32 GV |
5620 | } |
5621 | ||
5622 | BOOL | |
5623 | parse_button (message, pbutton, pup) | |
5624 | int message; | |
5625 | int * pbutton; | |
5626 | int * pup; | |
5627 | { | |
5628 | int button = 0; | |
5629 | int up = 0; | |
5630 | ||
5631 | switch (message) | |
5632 | { | |
5633 | case WM_LBUTTONDOWN: | |
5634 | button = 0; | |
5635 | up = 0; | |
5636 | break; | |
5637 | case WM_LBUTTONUP: | |
5638 | button = 0; | |
5639 | up = 1; | |
5640 | break; | |
5641 | case WM_MBUTTONDOWN: | |
fbd6baed | 5642 | if (NILP (Vw32_swap_mouse_buttons)) |
52cf03a1 GV |
5643 | button = 1; |
5644 | else | |
5645 | button = 2; | |
ee78dc32 GV |
5646 | up = 0; |
5647 | break; | |
5648 | case WM_MBUTTONUP: | |
fbd6baed | 5649 | if (NILP (Vw32_swap_mouse_buttons)) |
52cf03a1 GV |
5650 | button = 1; |
5651 | else | |
5652 | button = 2; | |
ee78dc32 GV |
5653 | up = 1; |
5654 | break; | |
5655 | case WM_RBUTTONDOWN: | |
fbd6baed | 5656 | if (NILP (Vw32_swap_mouse_buttons)) |
52cf03a1 GV |
5657 | button = 2; |
5658 | else | |
5659 | button = 1; | |
ee78dc32 GV |
5660 | up = 0; |
5661 | break; | |
5662 | case WM_RBUTTONUP: | |
fbd6baed | 5663 | if (NILP (Vw32_swap_mouse_buttons)) |
52cf03a1 GV |
5664 | button = 2; |
5665 | else | |
5666 | button = 1; | |
ee78dc32 GV |
5667 | up = 1; |
5668 | break; | |
5669 | default: | |
5670 | return (FALSE); | |
5671 | } | |
5672 | ||
5673 | if (pup) *pup = up; | |
5674 | if (pbutton) *pbutton = button; | |
5675 | ||
5676 | return (TRUE); | |
5677 | } | |
5678 | ||
5679 | ||
5680 | /* Prepare a mouse-event in *RESULT for placement in the input queue. | |
5681 | ||
5682 | If the event is a button press, then note that we have grabbed | |
5683 | the mouse. */ | |
5684 | ||
5685 | static void | |
5686 | construct_mouse_click (result, msg, f) | |
5687 | struct input_event *result; | |
fbd6baed | 5688 | W32Msg *msg; |
ee78dc32 GV |
5689 | struct frame *f; |
5690 | { | |
5691 | int button; | |
5692 | int up; | |
5693 | ||
5694 | parse_button (msg->msg.message, &button, &up); | |
5695 | ||
5696 | /* Make the event type no_event; we'll change that when we decide | |
5697 | otherwise. */ | |
5698 | result->kind = mouse_click; | |
5699 | result->code = button; | |
5700 | result->timestamp = msg->msg.time; | |
5701 | result->modifiers = (msg->dwModifiers | |
5702 | | (up | |
5703 | ? up_modifier | |
5704 | : down_modifier)); | |
5705 | ||
5706 | { | |
5707 | int row, column; | |
5708 | ||
5709 | XSETINT (result->x, LOWORD (msg->msg.lParam)); | |
5710 | XSETINT (result->y, HIWORD (msg->msg.lParam)); | |
5711 | XSETFRAME (result->frame_or_window, f); | |
5712 | } | |
5713 | } | |
5714 | ||
689004fa GV |
5715 | static void |
5716 | construct_mouse_wheel (result, msg, f) | |
5717 | struct input_event *result; | |
5718 | W32Msg *msg; | |
5719 | struct frame *f; | |
5720 | { | |
5721 | POINT p; | |
5722 | result->kind = mouse_wheel; | |
5723 | result->code = (short) HIWORD (msg->msg.wParam); | |
5724 | result->timestamp = msg->msg.time; | |
5725 | result->modifiers = msg->dwModifiers; | |
5726 | p.x = LOWORD (msg->msg.lParam); | |
5727 | p.y = HIWORD (msg->msg.lParam); | |
5728 | ScreenToClient(msg->msg.hwnd, &p); | |
5729 | XSETINT (result->x, p.x); | |
5730 | XSETINT (result->y, p.y); | |
5731 | XSETFRAME (result->frame_or_window, f); | |
5732 | } | |
5733 | ||
12857dfd RS |
5734 | static void |
5735 | construct_drag_n_drop (result, msg, f) | |
5736 | struct input_event *result; | |
5737 | W32Msg *msg; | |
5738 | struct frame *f; | |
5739 | { | |
5740 | Lisp_Object files; | |
5741 | Lisp_Object frame; | |
5742 | HDROP hdrop; | |
5743 | POINT p; | |
5744 | WORD num_files; | |
5745 | char *name; | |
5746 | int i, len; | |
5747 | ||
5748 | result->kind = drag_n_drop; | |
5749 | result->code = 0; | |
5750 | result->timestamp = msg->msg.time; | |
5751 | result->modifiers = msg->dwModifiers; | |
5752 | ||
fb9cc9cc AI |
5753 | hdrop = (HDROP) msg->msg.wParam; |
5754 | DragQueryPoint (hdrop, &p); | |
5755 | ||
e12ca9c2 | 5756 | #if 0 |
12857dfd RS |
5757 | p.x = LOWORD (msg->msg.lParam); |
5758 | p.y = HIWORD (msg->msg.lParam); | |
5759 | ScreenToClient (msg->msg.hwnd, &p); | |
e12ca9c2 AI |
5760 | #endif |
5761 | ||
12857dfd RS |
5762 | XSETINT (result->x, p.x); |
5763 | XSETINT (result->y, p.y); | |
5764 | ||
12857dfd RS |
5765 | num_files = DragQueryFile (hdrop, 0xFFFFFFFF, NULL, 0); |
5766 | files = Qnil; | |
5767 | ||
5768 | for (i = 0; i < num_files; i++) | |
5769 | { | |
5770 | len = DragQueryFile (hdrop, i, NULL, 0); | |
5771 | if (len <= 0) | |
5772 | continue; | |
5773 | name = alloca (len + 1); | |
5774 | DragQueryFile (hdrop, i, name, len + 1); | |
5775 | files = Fcons (build_string (name), files); | |
5776 | } | |
5777 | ||
5778 | DragFinish (hdrop); | |
5779 | ||
5780 | XSETFRAME (frame, f); | |
5781 | result->frame_or_window = Fcons (frame, files); | |
5782 | } | |
5783 | ||
ee78dc32 GV |
5784 | \f |
5785 | /* Function to report a mouse movement to the mainstream Emacs code. | |
5786 | The input handler calls this. | |
5787 | ||
5788 | We have received a mouse movement event, which is given in *event. | |
5789 | If the mouse is over a different glyph than it was last time, tell | |
5790 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
5791 | another motion event, so we can check again the next time it moves. */ | |
5792 | ||
791f420f JR |
5793 | static MSG last_mouse_motion_event; |
5794 | static Lisp_Object last_mouse_motion_frame; | |
5795 | ||
ee78dc32 GV |
5796 | static void |
5797 | note_mouse_movement (frame, msg) | |
5798 | FRAME_PTR frame; | |
5799 | MSG *msg; | |
5800 | { | |
5801 | last_mouse_movement_time = msg->time; | |
791f420f JR |
5802 | memcpy (&last_mouse_motion_event, msg, sizeof (last_mouse_motion_event)); |
5803 | XSETFRAME (last_mouse_motion_frame, frame); | |
ee78dc32 | 5804 | |
fbd6baed | 5805 | if (msg->hwnd != FRAME_W32_WINDOW (frame)) |
ee78dc32 GV |
5806 | { |
5807 | frame->mouse_moved = 1; | |
5808 | last_mouse_scroll_bar = Qnil; | |
ee78dc32 GV |
5809 | note_mouse_highlight (frame, -1, -1); |
5810 | } | |
5811 | ||
5812 | /* Has the mouse moved off the glyph it was on at the last sighting? */ | |
5813 | else if (LOWORD (msg->lParam) < last_mouse_glyph.left | |
5814 | || LOWORD (msg->lParam) > last_mouse_glyph.right | |
9bf7b6aa | 5815 | || HIWORD (msg->lParam) < last_mouse_glyph.top |
ee78dc32 GV |
5816 | || HIWORD (msg->lParam) > last_mouse_glyph.bottom) |
5817 | { | |
5818 | frame->mouse_moved = 1; | |
5819 | last_mouse_scroll_bar = Qnil; | |
5820 | ||
5821 | note_mouse_highlight (frame, LOWORD (msg->lParam), HIWORD (msg->lParam)); | |
5822 | } | |
5823 | } | |
5824 | ||
5825 | /* This is used for debugging, to turn off note_mouse_highlight. */ | |
791f420f JR |
5826 | int disable_mouse_highlight; |
5827 | ||
5828 | ||
5829 | \f | |
5830 | /************************************************************************ | |
5831 | Mouse Face | |
5832 | ************************************************************************/ | |
5833 | ||
5834 | /* Find the glyph under window-relative coordinates X/Y in window W. | |
5835 | Consider only glyphs from buffer text, i.e. no glyphs from overlay | |
5836 | strings. Return in *HPOS and *VPOS the row and column number of | |
5837 | the glyph found. Return in *AREA the glyph area containing X. | |
5838 | Value is a pointer to the glyph found or null if X/Y is not on | |
5839 | text, or we can't tell because W's current matrix is not up to | |
5840 | date. */ | |
5841 | ||
5842 | static struct glyph * | |
5843 | x_y_to_hpos_vpos (w, x, y, hpos, vpos, area) | |
5844 | struct window *w; | |
5845 | int x, y; | |
5846 | int *hpos, *vpos, *area; | |
5847 | { | |
5848 | struct glyph *glyph, *end; | |
5849 | struct glyph_row *row; | |
5850 | int x0, i, left_area_width; | |
5851 | ||
5852 | /* Find row containing Y. Give up if some row is not enabled. */ | |
5853 | for (i = 0; i < w->current_matrix->nrows; ++i) | |
5854 | { | |
5855 | row = MATRIX_ROW (w->current_matrix, i); | |
5856 | if (!row->enabled_p) | |
5857 | return NULL; | |
5858 | if (y >= row->y && y < MATRIX_ROW_BOTTOM_Y (row)) | |
5859 | break; | |
5860 | } | |
5861 | ||
5862 | *vpos = i; | |
5863 | *hpos = 0; | |
5864 | ||
5865 | /* Give up if Y is not in the window. */ | |
5866 | if (i == w->current_matrix->nrows) | |
5867 | return NULL; | |
5868 | ||
5869 | /* Get the glyph area containing X. */ | |
5870 | if (w->pseudo_window_p) | |
5871 | { | |
5872 | *area = TEXT_AREA; | |
5873 | x0 = 0; | |
5874 | } | |
5875 | else | |
5876 | { | |
5877 | left_area_width = window_box_width (w, LEFT_MARGIN_AREA); | |
5878 | if (x < left_area_width) | |
5879 | { | |
5880 | *area = LEFT_MARGIN_AREA; | |
5881 | x0 = 0; | |
5882 | } | |
5883 | else if (x < left_area_width + window_box_width (w, TEXT_AREA)) | |
5884 | { | |
5885 | *area = TEXT_AREA; | |
5886 | x0 = row->x + left_area_width; | |
5887 | } | |
5888 | else | |
5889 | { | |
5890 | *area = RIGHT_MARGIN_AREA; | |
5891 | x0 = left_area_width + window_box_width (w, TEXT_AREA); | |
5892 | } | |
5893 | } | |
5894 | ||
5895 | /* Find glyph containing X. */ | |
5896 | glyph = row->glyphs[*area]; | |
5897 | end = glyph + row->used[*area]; | |
5898 | while (glyph < end) | |
5899 | { | |
5900 | if (x < x0 + glyph->pixel_width) | |
5901 | { | |
5902 | if (w->pseudo_window_p) | |
5903 | break; | |
5904 | else if (BUFFERP (glyph->object)) | |
5905 | break; | |
5906 | } | |
5907 | ||
5908 | x0 += glyph->pixel_width; | |
5909 | ++glyph; | |
5910 | } | |
5911 | ||
5912 | if (glyph == end) | |
5913 | return NULL; | |
5914 | ||
5915 | *hpos = glyph - row->glyphs[*area]; | |
5916 | return glyph; | |
5917 | } | |
5918 | ||
5919 | ||
5920 | /* Convert frame-relative x/y to coordinates relative to window W. | |
5921 | Takes pseudo-windows into account. */ | |
5922 | ||
5923 | static void | |
5924 | frame_to_window_pixel_xy (w, x, y) | |
5925 | struct window *w; | |
5926 | int *x, *y; | |
5927 | { | |
5928 | if (w->pseudo_window_p) | |
5929 | { | |
5930 | /* A pseudo-window is always full-width, and starts at the | |
5931 | left edge of the frame, plus a frame border. */ | |
5932 | struct frame *f = XFRAME (w->frame); | |
5933 | *x -= FRAME_INTERNAL_BORDER_WIDTH_SAFE (f); | |
5934 | *y = FRAME_TO_WINDOW_PIXEL_Y (w, *y); | |
5935 | } | |
5936 | else | |
5937 | { | |
5938 | *x = FRAME_TO_WINDOW_PIXEL_X (w, *x); | |
5939 | *y = FRAME_TO_WINDOW_PIXEL_Y (w, *y); | |
5940 | } | |
5941 | } | |
5942 | ||
5943 | ||
5944 | /* Take proper action when mouse has moved to the mode or top line of | |
5945 | window W, x-position X. MODE_LINE_P non-zero means mouse is on the | |
5946 | mode line. X is relative to the start of the text display area of | |
5947 | W, so the width of bitmap areas and scroll bars must be subtracted | |
5948 | to get a position relative to the start of the mode line. */ | |
5949 | ||
5950 | static void | |
5951 | note_mode_line_highlight (w, x, mode_line_p) | |
5952 | struct window *w; | |
5953 | int x, mode_line_p; | |
5954 | { | |
5955 | struct frame *f = XFRAME (w->frame); | |
5956 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); | |
5957 | Cursor cursor = dpyinfo->vertical_scroll_bar_cursor; | |
5958 | struct glyph_row *row; | |
5959 | ||
5960 | if (mode_line_p) | |
5961 | row = MATRIX_MODE_LINE_ROW (w->current_matrix); | |
5962 | else | |
5963 | row = MATRIX_HEADER_LINE_ROW (w->current_matrix); | |
5964 | ||
5965 | if (row->enabled_p) | |
5966 | { | |
5967 | struct glyph *glyph, *end; | |
5968 | Lisp_Object help, map; | |
5969 | int x0; | |
5970 | ||
5971 | /* Find the glyph under X. */ | |
5972 | glyph = row->glyphs[TEXT_AREA]; | |
5973 | end = glyph + row->used[TEXT_AREA]; | |
5974 | x0 = - (FRAME_LEFT_SCROLL_BAR_WIDTH (f) * CANON_X_UNIT (f) | |
5975 | + FRAME_X_LEFT_FLAGS_AREA_WIDTH (f)); | |
5976 | while (glyph < end | |
5977 | && x >= x0 + glyph->pixel_width) | |
5978 | { | |
5979 | x0 += glyph->pixel_width; | |
5980 | ++glyph; | |
5981 | } | |
5982 | ||
5983 | if (glyph < end | |
5984 | && STRINGP (glyph->object) | |
5985 | && XSTRING (glyph->object)->intervals | |
5986 | && glyph->charpos >= 0 | |
5987 | && glyph->charpos < XSTRING (glyph->object)->size) | |
5988 | { | |
5989 | /* If we're on a string with `help-echo' text property, | |
5990 | arrange for the help to be displayed. This is done by | |
5991 | setting the global variable help_echo to the help string. */ | |
5992 | help = Fget_text_property (make_number (glyph->charpos), | |
5993 | Qhelp_echo, glyph->object); | |
5994 | if (STRINGP (help)) | |
5995 | help_echo = help; | |
5996 | ||
5997 | /* Change the mouse pointer according to what is under X/Y. */ | |
5998 | map = Fget_text_property (make_number (glyph->charpos), | |
5999 | Qlocal_map, glyph->object); | |
6000 | if (!NILP (Fkeymapp (map))) | |
6001 | cursor = f->output_data.w32->nontext_cursor; | |
6002 | } | |
6003 | } | |
6004 | #if 0 /* NTEMACS_TODO: mouse cursor */ | |
6005 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), cursor); | |
6006 | #endif | |
6007 | } | |
ee78dc32 GV |
6008 | |
6009 | /* Take proper action when the mouse has moved to position X, Y on frame F | |
6010 | as regards highlighting characters that have mouse-face properties. | |
6011 | Also dehighlighting chars where the mouse was before. | |
6012 | X and Y can be negative or out of range. */ | |
6013 | ||
6014 | static void | |
6015 | note_mouse_highlight (f, x, y) | |
6016 | FRAME_PTR f; | |
6017 | int x, y; | |
6018 | { | |
791f420f JR |
6019 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); |
6020 | int portion; | |
ee78dc32 GV |
6021 | Lisp_Object window; |
6022 | struct window *w; | |
6023 | ||
791f420f JR |
6024 | /* When a menu is active, don't highlight because this looks odd. */ |
6025 | if (popup_activated ()) | |
6026 | return; | |
6027 | ||
ee78dc32 GV |
6028 | if (disable_mouse_highlight) |
6029 | return; | |
6030 | ||
791f420f JR |
6031 | dpyinfo->mouse_face_mouse_x = x; |
6032 | dpyinfo->mouse_face_mouse_y = y; | |
6033 | dpyinfo->mouse_face_mouse_frame = f; | |
ee78dc32 | 6034 | |
791f420f | 6035 | if (dpyinfo->mouse_face_defer) |
ee78dc32 GV |
6036 | return; |
6037 | ||
6038 | if (gc_in_progress) | |
6039 | { | |
791f420f | 6040 | dpyinfo->mouse_face_deferred_gc = 1; |
ee78dc32 GV |
6041 | return; |
6042 | } | |
6043 | ||
ee78dc32 | 6044 | /* Which window is that in? */ |
791f420f | 6045 | window = window_from_coordinates (f, x, y, &portion, 1); |
ee78dc32 GV |
6046 | |
6047 | /* If we were displaying active text in another window, clear that. */ | |
791f420f JR |
6048 | if (! EQ (window, dpyinfo->mouse_face_window)) |
6049 | clear_mouse_face (dpyinfo); | |
6050 | ||
6051 | /* Not on a window -> return. */ | |
6052 | if (!WINDOWP (window)) | |
6053 | return; | |
6054 | ||
6055 | /* Convert to window-relative pixel coordinates. */ | |
6056 | w = XWINDOW (window); | |
6057 | frame_to_window_pixel_xy (w, &x, &y); | |
6058 | ||
6059 | /* Handle tool-bar window differently since it doesn't display a | |
6060 | buffer. */ | |
6061 | if (EQ (window, f->tool_bar_window)) | |
6062 | { | |
6063 | note_tool_bar_highlight (f, x, y); | |
6064 | return; | |
6065 | } | |
6066 | ||
6067 | if (portion == 1 || portion == 3) | |
6068 | { | |
6069 | /* Mouse is on the mode or top line. */ | |
6070 | note_mode_line_highlight (w, x, portion == 1); | |
6071 | return; | |
6072 | } | |
6073 | #if 0 /* NTEMACS_TODO: mouse cursor */ | |
6074 | else | |
6075 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
6076 | f->output_data.x->text_cursor); | |
6077 | #endif | |
ee78dc32 GV |
6078 | |
6079 | /* Are we in a window whose display is up to date? | |
6080 | And verify the buffer's text has not changed. */ | |
791f420f JR |
6081 | if (/* Within the text portion of the window. */ |
6082 | portion == 0 | |
ee78dc32 | 6083 | && EQ (w->window_end_valid, w->buffer) |
bade65fd RS |
6084 | && w->last_modified == BUF_MODIFF (XBUFFER (w->buffer)) |
6085 | && w->last_overlay_modified == BUF_OVERLAY_MODIFF (XBUFFER (w->buffer))) | |
ee78dc32 | 6086 | { |
791f420f JR |
6087 | int hpos, vpos, pos, i, area; |
6088 | struct glyph *glyph; | |
6089 | ||
6090 | /* Find the glyph under X/Y. */ | |
6091 | glyph = x_y_to_hpos_vpos (w, x, y, &hpos, &vpos, &area); | |
6092 | ||
6093 | /* Clear mouse face if X/Y not over text. */ | |
6094 | if (glyph == NULL | |
6095 | || area != TEXT_AREA | |
6096 | || !MATRIX_ROW (w->current_matrix, vpos)->displays_text_p) | |
6097 | { | |
6098 | clear_mouse_face (dpyinfo); | |
6099 | return; | |
6100 | } | |
6101 | ||
6102 | pos = glyph->charpos; | |
6103 | xassert (w->pseudo_window_p || BUFFERP (glyph->object)); | |
6104 | ||
6105 | /* Check for mouse-face and help-echo. */ | |
6106 | { | |
6107 | Lisp_Object mouse_face, overlay, position; | |
6108 | Lisp_Object *overlay_vec; | |
6109 | int len, noverlays; | |
6110 | struct buffer *obuf; | |
6111 | int obegv, ozv; | |
6112 | ||
6113 | /* If we get an out-of-range value, return now; avoid an error. */ | |
6114 | if (pos > BUF_Z (XBUFFER (w->buffer))) | |
6115 | return; | |
6116 | ||
6117 | /* Make the window's buffer temporarily current for | |
6118 | overlays_at and compute_char_face. */ | |
6119 | obuf = current_buffer; | |
6120 | current_buffer = XBUFFER (w->buffer); | |
6121 | obegv = BEGV; | |
6122 | ozv = ZV; | |
6123 | BEGV = BEG; | |
6124 | ZV = Z; | |
6125 | ||
6126 | /* Is this char mouse-active or does it have help-echo? */ | |
6127 | XSETINT (position, pos); | |
6128 | ||
6129 | /* Put all the overlays we want in a vector in overlay_vec. | |
6130 | Store the length in len. If there are more than 10, make | |
6131 | enough space for all, and try again. */ | |
6132 | len = 10; | |
6133 | overlay_vec = (Lisp_Object *) alloca (len * sizeof (Lisp_Object)); | |
6134 | noverlays = overlays_at (pos, 0, &overlay_vec, &len, NULL, NULL); | |
6135 | if (noverlays > len) | |
6136 | { | |
6137 | len = noverlays; | |
6138 | overlay_vec = (Lisp_Object *) alloca (len * sizeof (Lisp_Object)); | |
6139 | noverlays = overlays_at (pos, 0, &overlay_vec, &len, NULL, NULL); | |
6140 | } | |
6141 | ||
6142 | noverlays = sort_overlays (overlay_vec, noverlays, w); | |
6143 | ||
6144 | /* Check mouse-face highlighting. */ | |
6145 | if (! (EQ (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 | { | |
6154 | /* Clear the display of the old active region, if any. */ | |
6155 | clear_mouse_face (dpyinfo); | |
6156 | ||
6157 | /* Find the highest priority overlay that has a mouse-face prop. */ | |
6158 | overlay = Qnil; | |
6159 | for (i = 0; i < noverlays; i++) | |
6160 | { | |
6161 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
6162 | if (!NILP (mouse_face)) | |
6163 | { | |
6164 | overlay = overlay_vec[i]; | |
6165 | break; | |
6166 | } | |
6167 | } | |
6168 | ||
6169 | /* If no overlay applies, get a text property. */ | |
6170 | if (NILP (overlay)) | |
6171 | mouse_face = Fget_text_property (position, Qmouse_face, w->buffer); | |
6172 | ||
6173 | /* Handle the overlay case. */ | |
6174 | if (! NILP (overlay)) | |
6175 | { | |
6176 | /* Find the range of text around this char that | |
6177 | should be active. */ | |
6178 | Lisp_Object before, after; | |
6179 | int ignore; | |
6180 | ||
6181 | before = Foverlay_start (overlay); | |
6182 | after = Foverlay_end (overlay); | |
6183 | /* Record this as the current active region. */ | |
6184 | fast_find_position (w, XFASTINT (before), | |
6185 | &dpyinfo->mouse_face_beg_col, | |
6186 | &dpyinfo->mouse_face_beg_row, | |
6187 | &dpyinfo->mouse_face_beg_x, | |
6188 | &dpyinfo->mouse_face_beg_y); | |
6189 | dpyinfo->mouse_face_past_end | |
6190 | = !fast_find_position (w, XFASTINT (after), | |
6191 | &dpyinfo->mouse_face_end_col, | |
6192 | &dpyinfo->mouse_face_end_row, | |
6193 | &dpyinfo->mouse_face_end_x, | |
6194 | &dpyinfo->mouse_face_end_y); | |
6195 | dpyinfo->mouse_face_window = window; | |
6196 | dpyinfo->mouse_face_face_id | |
6197 | = face_at_buffer_position (w, pos, 0, 0, | |
6198 | &ignore, pos + 1, 1); | |
6199 | ||
6200 | /* Display it as active. */ | |
6201 | show_mouse_face (dpyinfo, DRAW_MOUSE_FACE); | |
6202 | } | |
6203 | /* Handle the text property case. */ | |
6204 | else if (! NILP (mouse_face)) | |
6205 | { | |
6206 | /* Find the range of text around this char that | |
6207 | should be active. */ | |
6208 | Lisp_Object before, after, beginning, end; | |
6209 | int ignore; | |
6210 | ||
6211 | beginning = Fmarker_position (w->start); | |
6212 | XSETINT (end, (BUF_Z (XBUFFER (w->buffer)) | |
6213 | - XFASTINT (w->window_end_pos))); | |
6214 | before | |
6215 | = Fprevious_single_property_change (make_number (pos + 1), | |
6216 | Qmouse_face, | |
6217 | w->buffer, beginning); | |
6218 | after | |
6219 | = Fnext_single_property_change (position, Qmouse_face, | |
6220 | w->buffer, end); | |
6221 | /* Record this as the current active region. */ | |
6222 | fast_find_position (w, XFASTINT (before), | |
6223 | &dpyinfo->mouse_face_beg_col, | |
6224 | &dpyinfo->mouse_face_beg_row, | |
6225 | &dpyinfo->mouse_face_beg_x, | |
6226 | &dpyinfo->mouse_face_beg_y); | |
6227 | dpyinfo->mouse_face_past_end | |
6228 | = !fast_find_position (w, XFASTINT (after), | |
6229 | &dpyinfo->mouse_face_end_col, | |
6230 | &dpyinfo->mouse_face_end_row, | |
6231 | &dpyinfo->mouse_face_end_x, | |
6232 | &dpyinfo->mouse_face_end_y); | |
6233 | dpyinfo->mouse_face_window = window; | |
6234 | dpyinfo->mouse_face_face_id | |
6235 | = face_at_buffer_position (w, pos, 0, 0, | |
6236 | &ignore, pos + 1, 1); | |
6237 | ||
6238 | /* Display it as active. */ | |
6239 | show_mouse_face (dpyinfo, DRAW_MOUSE_FACE); | |
6240 | } | |
6241 | } | |
6242 | ||
6243 | /* Look for a `help-echo' property. */ | |
6244 | { | |
6245 | Lisp_Object help; | |
6246 | ||
6247 | /* Check overlays first. */ | |
6248 | help = Qnil; | |
6249 | for (i = 0; i < noverlays && !STRINGP (help); ++i) | |
6250 | help = Foverlay_get (overlay_vec[i], Qhelp_echo); | |
6251 | ||
6252 | /* Try text properties. */ | |
6253 | if (!STRINGP (help) | |
6254 | && ((STRINGP (glyph->object) | |
6255 | && glyph->charpos >= 0 | |
6256 | && glyph->charpos < XSTRING (glyph->object)->size) | |
6257 | || (BUFFERP (glyph->object) | |
6258 | && glyph->charpos >= BEGV | |
6259 | && glyph->charpos < ZV))) | |
6260 | help = Fget_text_property (make_number (glyph->charpos), | |
6261 | Qhelp_echo, glyph->object); | |
6262 | ||
6263 | if (STRINGP (help)) | |
6264 | help_echo = help; | |
6265 | } | |
6266 | ||
6267 | BEGV = obegv; | |
6268 | ZV = ozv; | |
6269 | current_buffer = obuf; | |
6270 | } | |
6271 | } | |
6272 | } | |
6273 | ||
6274 | \f | |
6275 | static void | |
6276 | redo_mouse_highlight () | |
6277 | { | |
6278 | if (!NILP (last_mouse_motion_frame) | |
6279 | && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame))) | |
6280 | note_mouse_highlight (XFRAME (last_mouse_motion_frame), | |
6281 | LOWORD (last_mouse_motion_event.lParam), | |
6282 | HIWORD (last_mouse_motion_event.lParam)); | |
6283 | } | |
6284 | ||
6285 | ||
6286 | \f | |
6287 | /*********************************************************************** | |
6288 | Tool-bars | |
6289 | ***********************************************************************/ | |
6290 | ||
6291 | static int x_tool_bar_item P_ ((struct frame *, int, int, | |
6292 | struct glyph **, int *, int *, int *)); | |
6293 | ||
6294 | /* Tool-bar item index of the item on which a mouse button was pressed | |
6295 | or -1. */ | |
6296 | ||
6297 | static int last_tool_bar_item; | |
6298 | ||
6299 | ||
6300 | /* Get information about the tool-bar item at position X/Y on frame F. | |
6301 | Return in *GLYPH a pointer to the glyph of the tool-bar item in | |
6302 | the current matrix of the tool-bar window of F, or NULL if not | |
6303 | on a tool-bar item. Return in *PROP_IDX the index of the tool-bar | |
6304 | item in F->current_tool_bar_items. Value is | |
6305 | ||
6306 | -1 if X/Y is not on a tool-bar item | |
6307 | 0 if X/Y is on the same item that was highlighted before. | |
6308 | 1 otherwise. */ | |
6309 | ||
6310 | static int | |
6311 | x_tool_bar_item (f, x, y, glyph, hpos, vpos, prop_idx) | |
6312 | struct frame *f; | |
6313 | int x, y; | |
6314 | struct glyph **glyph; | |
6315 | int *hpos, *vpos, *prop_idx; | |
6316 | { | |
6317 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); | |
6318 | struct window *w = XWINDOW (f->tool_bar_window); | |
6319 | int area; | |
6320 | ||
6321 | /* Find the glyph under X/Y. */ | |
6322 | *glyph = x_y_to_hpos_vpos (w, x, y, hpos, vpos, &area); | |
6323 | if (*glyph == NULL) | |
6324 | return -1; | |
6325 | ||
6326 | /* Get the start of this tool-bar item's properties in | |
6327 | f->current_tool_bar_items. */ | |
6328 | if (!tool_bar_item_info (f, *glyph, prop_idx)) | |
6329 | return -1; | |
6330 | ||
6331 | /* Is mouse on the highlighted item? */ | |
6332 | if (EQ (f->tool_bar_window, dpyinfo->mouse_face_window) | |
6333 | && *vpos >= dpyinfo->mouse_face_beg_row | |
6334 | && *vpos <= dpyinfo->mouse_face_end_row | |
6335 | && (*vpos > dpyinfo->mouse_face_beg_row | |
6336 | || *hpos >= dpyinfo->mouse_face_beg_col) | |
6337 | && (*vpos < dpyinfo->mouse_face_end_row | |
6338 | || *hpos < dpyinfo->mouse_face_end_col | |
6339 | || dpyinfo->mouse_face_past_end)) | |
6340 | return 0; | |
6341 | ||
6342 | return 1; | |
6343 | } | |
6344 | ||
6345 | ||
6346 | /* Handle mouse button event on the tool_bar of frame F, at | |
6347 | frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress | |
6348 | or ButtonRelase. */ | |
6349 | ||
6350 | static void | |
6351 | w32_handle_tool_bar_click (f, button_event) | |
6352 | struct frame *f; | |
6353 | struct input_event *button_event; | |
6354 | { | |
6355 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); | |
6356 | struct window *w = XWINDOW (f->tool_bar_window); | |
6357 | int hpos, vpos, prop_idx; | |
6358 | struct glyph *glyph; | |
6359 | Lisp_Object enabled_p; | |
6360 | int x = XFASTINT (button_event->x); | |
6361 | int y = XFASTINT (button_event->y); | |
6362 | ||
6363 | /* If not on the highlighted tool-bar item, return. */ | |
6364 | frame_to_window_pixel_xy (w, &x, &y); | |
6365 | if (x_tool_bar_item (f, x, y, &glyph, &hpos, &vpos, &prop_idx) != 0) | |
6366 | return; | |
6367 | ||
6368 | /* If item is disabled, do nothing. */ | |
6369 | enabled_p = (XVECTOR (f->current_tool_bar_items) | |
6370 | ->contents[prop_idx + TOOL_BAR_ITEM_ENABLED_P]); | |
6371 | if (NILP (enabled_p)) | |
6372 | return; | |
6373 | ||
6374 | if (button_event->kind == mouse_click) | |
6375 | { | |
6376 | /* Show item in pressed state. */ | |
6377 | show_mouse_face (dpyinfo, DRAW_IMAGE_SUNKEN); | |
6378 | dpyinfo->mouse_face_image_state = DRAW_IMAGE_SUNKEN; | |
6379 | last_tool_bar_item = prop_idx; | |
6380 | } | |
6381 | else | |
6382 | { | |
6383 | Lisp_Object key, frame; | |
6384 | struct input_event event; | |
6385 | ||
6386 | /* Show item in released state. */ | |
6387 | show_mouse_face (dpyinfo, DRAW_IMAGE_RAISED); | |
6388 | dpyinfo->mouse_face_image_state = DRAW_IMAGE_RAISED; | |
6389 | ||
6390 | key = (XVECTOR (f->current_tool_bar_items) | |
6391 | ->contents[prop_idx + TOOL_BAR_ITEM_KEY]); | |
6392 | ||
6393 | XSETFRAME (frame, f); | |
6394 | event.kind = TOOL_BAR_EVENT; | |
6395 | event.frame_or_window = Fcons (frame, Fcons (Qtool_bar, Qnil)); | |
6396 | kbd_buffer_store_event (&event); | |
6397 | ||
6398 | event.kind = TOOL_BAR_EVENT; | |
6399 | event.frame_or_window = Fcons (frame, key); | |
6400 | event.modifiers = button_event->modifiers; | |
6401 | kbd_buffer_store_event (&event); | |
6402 | last_tool_bar_item = -1; | |
6403 | } | |
6404 | } | |
6405 | ||
6406 | ||
6407 | /* Possibly highlight a tool_bar item on frame F when mouse moves to | |
6408 | tool-bar window-relative coordinates X/Y. Called from | |
6409 | note_mouse_highlight. */ | |
6410 | ||
6411 | static void | |
6412 | note_tool_bar_highlight (f, x, y) | |
6413 | struct frame *f; | |
6414 | int x, y; | |
6415 | { | |
6416 | Lisp_Object window = f->tool_bar_window; | |
6417 | struct window *w = XWINDOW (window); | |
6418 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); | |
6419 | int hpos, vpos; | |
6420 | struct glyph *glyph; | |
6421 | struct glyph_row *row; | |
6422 | int i; | |
6423 | Lisp_Object enabled_p; | |
6424 | int prop_idx; | |
6425 | enum draw_glyphs_face draw = DRAW_IMAGE_RAISED; | |
6426 | int mouse_down_p, rc; | |
6427 | ||
6428 | /* Function note_mouse_highlight is called with negative x(y | |
6429 | values when mouse moves outside of the frame. */ | |
6430 | if (x <= 0 || y <= 0) | |
6431 | { | |
6432 | clear_mouse_face (dpyinfo); | |
6433 | return; | |
6434 | } | |
6435 | ||
6436 | rc = x_tool_bar_item (f, x, y, &glyph, &hpos, &vpos, &prop_idx); | |
6437 | if (rc < 0) | |
6438 | { | |
6439 | /* Not on tool-bar item. */ | |
6440 | clear_mouse_face (dpyinfo); | |
6441 | return; | |
6442 | } | |
6443 | else if (rc == 0) | |
6444 | /* On same tool-bar item as before. */ | |
6445 | goto set_help_echo; | |
ee78dc32 | 6446 | |
791f420f JR |
6447 | clear_mouse_face (dpyinfo); |
6448 | ||
6449 | /* Mouse is down, but on different tool-bar item? */ | |
6450 | mouse_down_p = (dpyinfo->grabbed | |
6451 | && f == last_mouse_frame | |
6452 | && FRAME_LIVE_P (f)); | |
6453 | if (mouse_down_p | |
6454 | && last_tool_bar_item != prop_idx) | |
6455 | return; | |
ee78dc32 | 6456 | |
791f420f JR |
6457 | dpyinfo->mouse_face_image_state = DRAW_NORMAL_TEXT; |
6458 | draw = mouse_down_p ? DRAW_IMAGE_SUNKEN : DRAW_IMAGE_RAISED; | |
6459 | ||
6460 | /* If tool-bar item is not enabled, don't highlight it. */ | |
6461 | enabled_p = (XVECTOR (f->current_tool_bar_items) | |
6462 | ->contents[prop_idx + TOOL_BAR_ITEM_ENABLED_P]); | |
6463 | if (!NILP (enabled_p)) | |
6464 | { | |
6465 | /* Compute the x-position of the glyph. In front and past the | |
6466 | image is a space. We include this is the highlighted area. */ | |
6467 | row = MATRIX_ROW (w->current_matrix, vpos); | |
6468 | for (i = x = 0; i < hpos; ++i) | |
6469 | x += row->glyphs[TEXT_AREA][i].pixel_width; | |
6470 | ||
6471 | /* Record this as the current active region. */ | |
6472 | dpyinfo->mouse_face_beg_col = hpos; | |
6473 | dpyinfo->mouse_face_beg_row = vpos; | |
6474 | dpyinfo->mouse_face_beg_x = x; | |
6475 | dpyinfo->mouse_face_beg_y = row->y; | |
6476 | dpyinfo->mouse_face_past_end = 0; | |
6477 | ||
6478 | dpyinfo->mouse_face_end_col = hpos + 1; | |
6479 | dpyinfo->mouse_face_end_row = vpos; | |
6480 | dpyinfo->mouse_face_end_x = x + glyph->pixel_width; | |
6481 | dpyinfo->mouse_face_end_y = row->y; | |
6482 | dpyinfo->mouse_face_window = window; | |
6483 | dpyinfo->mouse_face_face_id = TOOL_BAR_FACE_ID; | |
6484 | ||
6485 | /* Display it as active. */ | |
6486 | show_mouse_face (dpyinfo, draw); | |
6487 | dpyinfo->mouse_face_image_state = draw; | |
ee78dc32 | 6488 | } |
791f420f JR |
6489 | |
6490 | set_help_echo: | |
6491 | ||
6492 | /* Set help_echo to a help string.to display for this tool-bar item. | |
6493 | w32_read_socket does the rest. */ | |
6494 | help_echo = (XVECTOR (f->current_tool_bar_items) | |
6495 | ->contents[prop_idx + TOOL_BAR_ITEM_HELP]); | |
6496 | if (!STRINGP (help_echo)) | |
6497 | help_echo = (XVECTOR (f->current_tool_bar_items) | |
6498 | ->contents[prop_idx + TOOL_BAR_ITEM_CAPTION]); | |
ee78dc32 | 6499 | } |
ee78dc32 | 6500 | |
791f420f JR |
6501 | \f |
6502 | /* Find the glyph matrix position of buffer position POS in window W. | |
6503 | *HPOS, *VPOS, *X, and *Y are set to the positions found. W's | |
6504 | current glyphs must be up to date. If POS is above window start | |
6505 | return (0, 0, 0, 0). If POS is after end of W, return end of | |
6506 | last line in W. */ | |
ee78dc32 GV |
6507 | |
6508 | static int | |
791f420f JR |
6509 | fast_find_position (w, pos, hpos, vpos, x, y) |
6510 | struct window *w; | |
ee78dc32 | 6511 | int pos; |
791f420f | 6512 | int *hpos, *vpos, *x, *y; |
ee78dc32 | 6513 | { |
ee78dc32 | 6514 | int i; |
ee78dc32 | 6515 | int lastcol; |
791f420f JR |
6516 | int maybe_next_line_p = 0; |
6517 | int line_start_position; | |
6518 | int yb = window_text_bottom_y (w); | |
6519 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, 0); | |
6520 | struct glyph_row *best_row = row; | |
6521 | int row_vpos = 0, best_row_vpos = 0; | |
6522 | int current_x; | |
6523 | ||
6524 | while (row->y < yb) | |
ee78dc32 | 6525 | { |
791f420f JR |
6526 | if (row->used[TEXT_AREA]) |
6527 | line_start_position = row->glyphs[TEXT_AREA]->charpos; | |
6528 | else | |
6529 | line_start_position = 0; | |
6530 | ||
6531 | if (line_start_position > pos) | |
ee78dc32 GV |
6532 | break; |
6533 | /* If the position sought is the end of the buffer, | |
6534 | don't include the blank lines at the bottom of the window. */ | |
791f420f JR |
6535 | else if (line_start_position == pos |
6536 | && pos == BUF_ZV (XBUFFER (w->buffer))) | |
ee78dc32 | 6537 | { |
791f420f | 6538 | maybe_next_line_p = 1; |
ee78dc32 GV |
6539 | break; |
6540 | } | |
791f420f JR |
6541 | else if (line_start_position > 0) |
6542 | { | |
6543 | best_row = row; | |
6544 | best_row_vpos = row_vpos; | |
6545 | } | |
6546 | ||
6547 | ++row; | |
6548 | ++row_vpos; | |
ee78dc32 GV |
6549 | } |
6550 | ||
791f420f JR |
6551 | /* Find the right column within BEST_ROW. */ |
6552 | lastcol = 0; | |
6553 | current_x = best_row->x; | |
6554 | for (i = 0; i < best_row->used[TEXT_AREA]; i++) | |
ee78dc32 | 6555 | { |
791f420f JR |
6556 | struct glyph *glyph = best_row->glyphs[TEXT_AREA] + i; |
6557 | int charpos; | |
6558 | ||
6559 | charpos = glyph->charpos; | |
6560 | if (charpos == pos) | |
ee78dc32 | 6561 | { |
791f420f JR |
6562 | *hpos = i; |
6563 | *vpos = best_row_vpos; | |
6564 | *x = current_x; | |
6565 | *y = best_row->y; | |
ee78dc32 GV |
6566 | return 1; |
6567 | } | |
791f420f | 6568 | else if (charpos > pos) |
ee78dc32 | 6569 | break; |
791f420f JR |
6570 | else if (charpos > 0) |
6571 | lastcol = i; | |
6572 | ||
6573 | current_x += glyph->pixel_width; | |
ee78dc32 GV |
6574 | } |
6575 | ||
6576 | /* If we're looking for the end of the buffer, | |
6577 | and we didn't find it in the line we scanned, | |
6578 | use the start of the following line. */ | |
791f420f | 6579 | if (maybe_next_line_p) |
ee78dc32 | 6580 | { |
791f420f JR |
6581 | ++best_row; |
6582 | ++best_row_vpos; | |
6583 | lastcol = 0; | |
6584 | current_x = best_row->x; | |
ee78dc32 GV |
6585 | } |
6586 | ||
791f420f JR |
6587 | *vpos = best_row_vpos; |
6588 | *hpos = lastcol + 1; | |
6589 | *x = current_x; | |
6590 | *y = best_row->y; | |
ee78dc32 GV |
6591 | return 0; |
6592 | } | |
6593 | ||
791f420f | 6594 | |
ee78dc32 GV |
6595 | /* Display the active region described by mouse_face_* |
6596 | in its mouse-face if HL > 0, in its normal face if HL = 0. */ | |
6597 | ||
6598 | static void | |
791f420f | 6599 | show_mouse_face (dpyinfo, draw) |
fbd6baed | 6600 | struct w32_display_info *dpyinfo; |
791f420f | 6601 | enum draw_glyphs_face draw; |
ee78dc32 GV |
6602 | { |
6603 | struct window *w = XWINDOW (dpyinfo->mouse_face_window); | |
791f420f | 6604 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
ee78dc32 | 6605 | int i; |
791f420f JR |
6606 | int cursor_off_p = 0; |
6607 | struct cursor_pos saved_cursor; | |
6608 | ||
6609 | saved_cursor = output_cursor; | |
6610 | ||
6611 | /* If window is in the process of being destroyed, don't bother | |
6612 | to do anything. */ | |
6613 | if (w->current_matrix == NULL) | |
6614 | goto set_x_cursor; | |
6615 | ||
6616 | /* Recognize when we are called to operate on rows that don't exist | |
6617 | anymore. This can happen when a window is split. */ | |
6618 | if (dpyinfo->mouse_face_end_row >= w->current_matrix->nrows) | |
6619 | goto set_x_cursor; | |
6620 | ||
6621 | set_output_cursor (&w->phys_cursor); | |
6622 | ||
6623 | /* Note that mouse_face_beg_row etc. are window relative. */ | |
6624 | for (i = dpyinfo->mouse_face_beg_row; | |
6625 | i <= dpyinfo->mouse_face_end_row; | |
6626 | i++) | |
6627 | { | |
6628 | int start_hpos, end_hpos, start_x; | |
6629 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, i); | |
6630 | ||
6631 | /* Don't do anything if row doesn't have valid contents. */ | |
6632 | if (!row->enabled_p) | |
6633 | continue; | |
6634 | ||
6635 | /* For all but the first row, the highlight starts at column 0. */ | |
6636 | if (i == dpyinfo->mouse_face_beg_row) | |
6637 | { | |
6638 | start_hpos = dpyinfo->mouse_face_beg_col; | |
6639 | start_x = dpyinfo->mouse_face_beg_x; | |
6640 | } | |
6641 | else | |
6642 | { | |
6643 | start_hpos = 0; | |
6644 | start_x = 0; | |
6645 | } | |
6646 | ||
6647 | if (i == dpyinfo->mouse_face_end_row) | |
6648 | end_hpos = dpyinfo->mouse_face_end_col; | |
6649 | else | |
6650 | end_hpos = row->used[TEXT_AREA]; | |
6651 | ||
6652 | /* If the cursor's in the text we are about to rewrite, turn the | |
6653 | cursor off. */ | |
6654 | if (!w->pseudo_window_p | |
6655 | && i == output_cursor.vpos | |
6656 | && output_cursor.hpos >= start_hpos - 1 | |
6657 | && output_cursor.hpos <= end_hpos) | |
ee78dc32 | 6658 | { |
791f420f JR |
6659 | x_update_window_cursor (w, 0); |
6660 | cursor_off_p = 1; | |
ee78dc32 GV |
6661 | } |
6662 | ||
791f420f JR |
6663 | if (end_hpos > start_hpos) |
6664 | x_draw_glyphs (w, start_x, row, TEXT_AREA, | |
6665 | start_hpos, end_hpos, draw, NULL, NULL, 0); | |
ee78dc32 GV |
6666 | } |
6667 | ||
6668 | /* If we turned the cursor off, turn it back on. */ | |
791f420f JR |
6669 | if (cursor_off_p) |
6670 | x_display_cursor (w, 1, | |
6671 | output_cursor.hpos, output_cursor.vpos, | |
6672 | output_cursor.x, output_cursor.y); | |
6673 | ||
6674 | output_cursor = saved_cursor; | |
6675 | ||
6676 | set_x_cursor: | |
6677 | #if 0 /* NTEMACS_TODO: mouse cursor */ | |
6678 | /* Change the mouse cursor. */ | |
6679 | if (draw == DRAW_NORMAL_TEXT) | |
6680 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
6681 | f->output_data.x->text_cursor); | |
6682 | else if (draw == DRAW_MOUSE_FACE) | |
6683 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
6684 | f->output_data.x->cross_cursor); | |
ee78dc32 | 6685 | else |
791f420f JR |
6686 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
6687 | f->output_data.x->nontext_cursor); | |
6688 | #endif | |
6689 | ; | |
ee78dc32 GV |
6690 | } |
6691 | ||
791f420f | 6692 | |
ee78dc32 GV |
6693 | /* Clear out the mouse-highlighted active region. |
6694 | Redraw it unhighlighted first. */ | |
6695 | ||
791f420f | 6696 | void |
ee78dc32 | 6697 | clear_mouse_face (dpyinfo) |
fbd6baed | 6698 | struct w32_display_info *dpyinfo; |
ee78dc32 | 6699 | { |
791f420f JR |
6700 | if (tip_frame) |
6701 | return; | |
6702 | ||
ee78dc32 | 6703 | if (! NILP (dpyinfo->mouse_face_window)) |
791f420f | 6704 | show_mouse_face (dpyinfo, DRAW_NORMAL_TEXT); |
ee78dc32 GV |
6705 | |
6706 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
6707 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
6708 | dpyinfo->mouse_face_window = Qnil; | |
6709 | } | |
31d4844a KH |
6710 | |
6711 | /* Just discard the mouse face information for frame F, if any. | |
6712 | This is used when the size of F is changed. */ | |
6713 | ||
6714 | void | |
6715 | cancel_mouse_face (f) | |
6716 | FRAME_PTR f; | |
6717 | { | |
6718 | Lisp_Object window; | |
6719 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); | |
6720 | ||
6721 | window = dpyinfo->mouse_face_window; | |
6722 | if (! NILP (window) && XFRAME (XWINDOW (window)->frame) == f) | |
6723 | { | |
6724 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
6725 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
6726 | dpyinfo->mouse_face_window = Qnil; | |
6727 | } | |
6728 | } | |
ee78dc32 GV |
6729 | \f |
6730 | struct scroll_bar *x_window_to_scroll_bar (); | |
6731 | static void x_scroll_bar_report_motion (); | |
6732 | ||
6733 | /* Return the current position of the mouse. | |
6734 | *fp should be a frame which indicates which display to ask about. | |
6735 | ||
6736 | If the mouse movement started in a scroll bar, set *fp, *bar_window, | |
6737 | and *part to the frame, window, and scroll bar part that the mouse | |
6738 | is over. Set *x and *y to the portion and whole of the mouse's | |
6739 | position on the scroll bar. | |
6740 | ||
6741 | If the mouse movement started elsewhere, set *fp to the frame the | |
6742 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
6743 | the mouse is over. | |
6744 | ||
6745 | Set *time to the server timestamp for the time at which the mouse | |
6746 | was at this position. | |
6747 | ||
6748 | Don't store anything if we don't have a valid set of values to report. | |
6749 | ||
6750 | This clears the mouse_moved flag, so we can wait for the next mouse | |
6751 | movement. This also calls XQueryPointer, which will cause the | |
6752 | server to give us another MotionNotify when the mouse moves | |
6753 | again. */ | |
6754 | ||
6755 | static void | |
fbd6baed | 6756 | w32_mouse_position (fp, insist, bar_window, part, x, y, time) |
ee78dc32 GV |
6757 | FRAME_PTR *fp; |
6758 | int insist; | |
6759 | Lisp_Object *bar_window; | |
6760 | enum scroll_bar_part *part; | |
6761 | Lisp_Object *x, *y; | |
6762 | unsigned long *time; | |
6763 | { | |
6764 | FRAME_PTR f1; | |
6765 | ||
6766 | BLOCK_INPUT; | |
6767 | ||
95fa970d | 6768 | if (! NILP (last_mouse_scroll_bar) && insist == 0) |
689004fa | 6769 | /* This is never called at the moment. */ |
ee78dc32 GV |
6770 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time); |
6771 | else | |
6772 | { | |
6773 | POINT pt; | |
6774 | ||
6775 | Lisp_Object frame, tail; | |
6776 | ||
6777 | /* Clear the mouse-moved flag for every frame on this display. */ | |
6778 | FOR_EACH_FRAME (tail, frame) | |
6779 | XFRAME (frame)->mouse_moved = 0; | |
6780 | ||
6781 | last_mouse_scroll_bar = Qnil; | |
6782 | ||
6783 | GetCursorPos (&pt); | |
6784 | ||
6785 | /* Now we have a position on the root; find the innermost window | |
6786 | containing the pointer. */ | |
6787 | { | |
fbd6baed | 6788 | if (FRAME_W32_DISPLAY_INFO (*fp)->grabbed && last_mouse_frame |
ee78dc32 GV |
6789 | && FRAME_LIVE_P (last_mouse_frame)) |
6790 | { | |
08712a41 AI |
6791 | /* If mouse was grabbed on a frame, give coords for that frame |
6792 | even if the mouse is now outside it. */ | |
ee78dc32 GV |
6793 | f1 = last_mouse_frame; |
6794 | } | |
6795 | else | |
6796 | { | |
08712a41 | 6797 | /* Is window under mouse one of our frames? */ |
fbd6baed | 6798 | f1 = x_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp), WindowFromPoint(pt)); |
ee78dc32 GV |
6799 | } |
6800 | ||
6801 | /* If not, is it one of our scroll bars? */ | |
6802 | if (! f1) | |
6803 | { | |
6804 | struct scroll_bar *bar = x_window_to_scroll_bar (WindowFromPoint(pt)); | |
6805 | ||
6806 | if (bar) | |
6807 | { | |
6808 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
6809 | } | |
6810 | } | |
6811 | ||
95fa970d | 6812 | if (f1 == 0 && insist > 0) |
791f420f | 6813 | f1 = SELECTED_FRAME (); |
ee78dc32 GV |
6814 | |
6815 | if (f1) | |
6816 | { | |
791f420f JR |
6817 | /* Ok, we found a frame. Store all the values. |
6818 | last_mouse_glyph is a rectangle used to reduce the | |
6819 | generation of mouse events. To not miss any motion | |
6820 | events, we must divide the frame into rectangles of the | |
6821 | size of the smallest character that could be displayed | |
6822 | on it, i.e. into the same rectangles that matrices on | |
6823 | the frame are divided into. */ | |
6824 | ||
6825 | #if OLD_REDISPLAY_CODE | |
ee78dc32 GV |
6826 | int ignore1, ignore2; |
6827 | ||
fbd6baed | 6828 | ScreenToClient (FRAME_W32_WINDOW (f1), &pt); |
ee78dc32 | 6829 | |
ee78dc32 GV |
6830 | pixel_to_glyph_coords (f1, pt.x, pt.y, &ignore1, &ignore2, |
6831 | &last_mouse_glyph, | |
fbd6baed | 6832 | FRAME_W32_DISPLAY_INFO (f1)->grabbed |
ee78dc32 | 6833 | || insist); |
791f420f JR |
6834 | #else |
6835 | ScreenToClient (FRAME_W32_WINDOW (f1), &pt); | |
6836 | { | |
6837 | int width = FRAME_SMALLEST_CHAR_WIDTH (f1); | |
6838 | int height = FRAME_SMALLEST_FONT_HEIGHT (f1); | |
6839 | int x = pt.x; | |
6840 | int y = pt.y; | |
6841 | ||
6842 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to | |
6843 | round down even for negative values. */ | |
6844 | if (x < 0) | |
6845 | x -= width - 1; | |
6846 | if (y < 0) | |
6847 | y -= height - 1; | |
6848 | ||
6849 | last_mouse_glyph.left = (x + width - 1) / width * width; | |
6850 | last_mouse_glyph.top = (y + height - 1) / height * height; | |
6851 | last_mouse_glyph.right = last_mouse_glyph.left + width; | |
6852 | last_mouse_glyph.bottom = last_mouse_glyph.top + height; | |
6853 | } | |
6854 | #endif | |
ee78dc32 GV |
6855 | |
6856 | *bar_window = Qnil; | |
6857 | *part = 0; | |
6858 | *fp = f1; | |
6859 | XSETINT (*x, pt.x); | |
6860 | XSETINT (*y, pt.y); | |
6861 | *time = last_mouse_movement_time; | |
6862 | } | |
6863 | } | |
6864 | } | |
6865 | ||
6866 | UNBLOCK_INPUT; | |
6867 | } | |
791f420f | 6868 | |
ee78dc32 GV |
6869 | \f |
6870 | /* Scroll bar support. */ | |
6871 | ||
6872 | /* Given an window ID, find the struct scroll_bar which manages it. | |
6873 | This can be called in GC, so we have to make sure to strip off mark | |
6874 | bits. */ | |
6875 | struct scroll_bar * | |
6876 | x_window_to_scroll_bar (window_id) | |
6877 | Window window_id; | |
6878 | { | |
791f420f | 6879 | Lisp_Object tail; |
ee78dc32 GV |
6880 | |
6881 | for (tail = Vframe_list; | |
6882 | XGCTYPE (tail) == Lisp_Cons; | |
8e713be6 | 6883 | tail = XCDR (tail)) |
ee78dc32 GV |
6884 | { |
6885 | Lisp_Object frame, bar, condemned; | |
6886 | ||
8e713be6 | 6887 | frame = XCAR (tail); |
ee78dc32 GV |
6888 | /* All elements of Vframe_list should be frames. */ |
6889 | if (! GC_FRAMEP (frame)) | |
6890 | abort (); | |
6891 | ||
6892 | /* Scan this frame's scroll bar list for a scroll bar with the | |
6893 | right window ID. */ | |
6894 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); | |
6895 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
6896 | /* This trick allows us to search both the ordinary and | |
6897 | condemned scroll bar lists with one loop. */ | |
6898 | ! GC_NILP (bar) || (bar = condemned, | |
6899 | condemned = Qnil, | |
6900 | ! GC_NILP (bar)); | |
6901 | bar = XSCROLL_BAR (bar)->next) | |
fbd6baed | 6902 | if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar)) == window_id) |
ee78dc32 GV |
6903 | return XSCROLL_BAR (bar); |
6904 | } | |
6905 | ||
6906 | return 0; | |
6907 | } | |
6908 | ||
791f420f JR |
6909 | |
6910 | \f | |
6911 | /* Set the thumb size and position of scroll bar BAR. We are currently | |
6912 | displaying PORTION out of a whole WHOLE, and our position POSITION. */ | |
6913 | ||
6914 | static void | |
6915 | w32_set_scroll_bar_thumb (bar, portion, position, whole) | |
6916 | struct scroll_bar *bar; | |
6917 | int portion, position, whole; | |
6918 | { | |
6919 | Window w = SCROLL_BAR_W32_WINDOW (bar); | |
6920 | int range = VERTICAL_SCROLL_BAR_TOP_RANGE (f, XINT (bar->height)); | |
6921 | int sb_page, sb_pos; | |
6922 | BOOL draggingp = !NILP (bar->dragging) ? TRUE : FALSE; | |
6923 | ||
6924 | if (whole) | |
6925 | { | |
6926 | /* Position scroll bar at rock bottom if the bottom of the | |
6927 | buffer is visible. This avoids shinking the thumb away | |
6928 | to nothing if it is held at the bottom of the buffer. */ | |
6929 | if (position + portion >= whole) | |
6930 | { | |
6931 | sb_page = range * (whole - position) / whole | |
6932 | + VERTICAL_SCROLL_BAR_MIN_HANDLE; | |
6933 | sb_pos = range; | |
6934 | } | |
6935 | ||
6936 | sb_page = portion * range / whole + VERTICAL_SCROLL_BAR_MIN_HANDLE; | |
6937 | sb_pos = position * range / whole; | |
6938 | } | |
6939 | else | |
6940 | { | |
6941 | sb_page = range; | |
6942 | sb_pos = 0; | |
6943 | } | |
6944 | ||
6945 | BLOCK_INPUT; | |
6946 | ||
6947 | if (pfnSetScrollInfo) | |
6948 | { | |
6949 | SCROLLINFO si; | |
6950 | ||
6951 | si.cbSize = sizeof (si); | |
6952 | /* Only update page size if currently dragging, to reduce | |
6953 | flicker effects. */ | |
6954 | if (draggingp) | |
6955 | si.fMask = SIF_PAGE; | |
6956 | else | |
6957 | si.fMask = SIF_PAGE | SIF_POS; | |
6958 | si.nPage = sb_page; | |
6959 | si.nPos = sb_pos; | |
6960 | ||
6961 | pfnSetScrollInfo (w, SB_CTL, &si, !draggingp); | |
6962 | } | |
6963 | else | |
6964 | SetScrollPos (w, SB_CTL, sb_pos, !draggingp); | |
6965 | ||
6966 | UNBLOCK_INPUT; | |
6967 | } | |
6968 | ||
6969 | \f | |
6970 | /************************************************************************ | |
6971 | Scroll bars, general | |
6972 | ************************************************************************/ | |
6973 | ||
ee78dc32 GV |
6974 | HWND |
6975 | my_create_scrollbar (f, bar) | |
6976 | struct frame * f; | |
6977 | struct scroll_bar * bar; | |
6978 | { | |
689004fa GV |
6979 | return (HWND) SendMessage (FRAME_W32_WINDOW (f), |
6980 | WM_EMACS_CREATESCROLLBAR, (WPARAM) f, | |
6981 | (LPARAM) bar); | |
ee78dc32 GV |
6982 | } |
6983 | ||
52cf03a1 GV |
6984 | //#define ATTACH_THREADS |
6985 | ||
689004fa GV |
6986 | BOOL |
6987 | my_show_window (FRAME_PTR f, HWND hwnd, int how) | |
52cf03a1 GV |
6988 | { |
6989 | #ifndef ATTACH_THREADS | |
689004fa GV |
6990 | return SendMessage (FRAME_W32_WINDOW (f), WM_EMACS_SHOWWINDOW, |
6991 | (WPARAM) hwnd, (LPARAM) how); | |
52cf03a1 | 6992 | #else |
689004fa | 6993 | return ShowWindow (hwnd, how); |
52cf03a1 GV |
6994 | #endif |
6995 | } | |
6996 | ||
6997 | void | |
6998 | my_set_window_pos (HWND hwnd, HWND hwndAfter, | |
689004fa | 6999 | int x, int y, int cx, int cy, UINT flags) |
52cf03a1 GV |
7000 | { |
7001 | #ifndef ATTACH_THREADS | |
689004fa GV |
7002 | WINDOWPOS pos; |
7003 | pos.hwndInsertAfter = hwndAfter; | |
52cf03a1 GV |
7004 | pos.x = x; |
7005 | pos.y = y; | |
7006 | pos.cx = cx; | |
7007 | pos.cy = cy; | |
7008 | pos.flags = flags; | |
7009 | SendMessage (hwnd, WM_EMACS_SETWINDOWPOS, (WPARAM) &pos, 0); | |
7010 | #else | |
7011 | SetWindowPos (hwnd, hwndAfter, x, y, cx, cy, flags); | |
7012 | #endif | |
7013 | } | |
7014 | ||
689004fa GV |
7015 | BOOL |
7016 | my_set_focus (f, hwnd) | |
7017 | struct frame * f; | |
7018 | HWND hwnd; | |
7019 | { | |
7020 | SendMessage (FRAME_W32_WINDOW (f), WM_EMACS_SETFOCUS, | |
7021 | (WPARAM) hwnd, 0); | |
7022 | } | |
7023 | ||
ef0e360f GV |
7024 | BOOL |
7025 | my_set_foreground_window (hwnd) | |
7026 | HWND hwnd; | |
7027 | { | |
7028 | SendMessage (hwnd, WM_EMACS_SETFOREGROUND, (WPARAM) hwnd, 0); | |
7029 | } | |
7030 | ||
ee78dc32 GV |
7031 | void |
7032 | my_destroy_window (f, hwnd) | |
7033 | struct frame * f; | |
7034 | HWND hwnd; | |
7035 | { | |
fbd6baed | 7036 | SendMessage (FRAME_W32_WINDOW (f), WM_EMACS_DESTROYWINDOW, |
ee78dc32 GV |
7037 | (WPARAM) hwnd, 0); |
7038 | } | |
7039 | ||
791f420f JR |
7040 | /* Create a scroll bar and return the scroll bar vector for it. W is |
7041 | the Emacs window on which to create the scroll bar. TOP, LEFT, | |
7042 | WIDTH and HEIGHT are.the pixel coordinates and dimensions of the | |
7043 | scroll bar. */ | |
7044 | ||
ee78dc32 | 7045 | static struct scroll_bar * |
791f420f JR |
7046 | x_scroll_bar_create (w, top, left, width, height) |
7047 | struct window *w; | |
ee78dc32 GV |
7048 | int top, left, width, height; |
7049 | { | |
791f420f JR |
7050 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
7051 | HWND hwnd; | |
ee78dc32 GV |
7052 | struct scroll_bar *bar |
7053 | = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
ee78dc32 GV |
7054 | |
7055 | BLOCK_INPUT; | |
7056 | ||
791f420f | 7057 | XSETWINDOW (bar->window, w); |
ee78dc32 GV |
7058 | XSETINT (bar->top, top); |
7059 | XSETINT (bar->left, left); | |
7060 | XSETINT (bar->width, width); | |
7061 | XSETINT (bar->height, height); | |
7062 | XSETINT (bar->start, 0); | |
7063 | XSETINT (bar->end, 0); | |
7064 | bar->dragging = Qnil; | |
7065 | ||
7066 | /* Requires geometry to be set before call to create the real window */ | |
7067 | ||
7068 | hwnd = my_create_scrollbar (f, bar); | |
7069 | ||
689004fa GV |
7070 | if (pfnSetScrollInfo) |
7071 | { | |
7072 | SCROLLINFO si; | |
7073 | ||
7074 | si.cbSize = sizeof (si); | |
7075 | si.fMask = SIF_ALL; | |
7076 | si.nMin = 0; | |
791f420f JR |
7077 | si.nMax = VERTICAL_SCROLL_BAR_TOP_RANGE (f, height) |
7078 | + VERTICAL_SCROLL_BAR_MIN_HANDLE; | |
689004fa GV |
7079 | si.nPage = si.nMax; |
7080 | si.nPos = 0; | |
7081 | ||
7082 | pfnSetScrollInfo (hwnd, SB_CTL, &si, FALSE); | |
7083 | } | |
7084 | else | |
7085 | { | |
791f420f JR |
7086 | SetScrollRange (hwnd, SB_CTL, 0, |
7087 | VERTICAL_SCROLL_BAR_TOP_RANGE (f, height), FALSE); | |
689004fa GV |
7088 | SetScrollPos (hwnd, SB_CTL, 0, FALSE); |
7089 | } | |
ee78dc32 | 7090 | |
fbd6baed | 7091 | SET_SCROLL_BAR_W32_WINDOW (bar, hwnd); |
ee78dc32 GV |
7092 | |
7093 | /* Add bar to its frame's list of scroll bars. */ | |
7094 | bar->next = FRAME_SCROLL_BARS (f); | |
7095 | bar->prev = Qnil; | |
7096 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); | |
7097 | if (! NILP (bar->next)) | |
7098 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); | |
7099 | ||
7100 | UNBLOCK_INPUT; | |
7101 | ||
7102 | return bar; | |
7103 | } | |
7104 | ||
ee78dc32 | 7105 | |
791f420f JR |
7106 | /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to |
7107 | nil. */ | |
ee78dc32 | 7108 | |
ee78dc32 GV |
7109 | static void |
7110 | x_scroll_bar_remove (bar) | |
7111 | struct scroll_bar *bar; | |
7112 | { | |
7113 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
7114 | ||
7115 | BLOCK_INPUT; | |
7116 | ||
7117 | /* Destroy the window. */ | |
fbd6baed | 7118 | my_destroy_window (f, SCROLL_BAR_W32_WINDOW (bar)); |
ee78dc32 GV |
7119 | |
7120 | /* Disassociate this scroll bar from its window. */ | |
7121 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
7122 | ||
7123 | UNBLOCK_INPUT; | |
7124 | } | |
7125 | ||
7126 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
7127 | that we are displaying PORTION characters out of a total of WHOLE | |
7128 | characters, starting at POSITION. If WINDOW has no scroll bar, | |
7129 | create one. */ | |
7130 | static void | |
791f420f JR |
7131 | w32_set_vertical_scroll_bar (w, portion, whole, position) |
7132 | struct window *w; | |
ee78dc32 GV |
7133 | int portion, whole, position; |
7134 | { | |
791f420f | 7135 | struct frame *f = XFRAME (w->frame); |
ee78dc32 | 7136 | struct scroll_bar *bar; |
791f420f JR |
7137 | int top, left, sb_left, width, sb_width, height; |
7138 | int window_x, window_y, window_width, window_height; | |
7139 | ||
7140 | /* Get window dimensions. */ | |
7141 | window_box (w, -1, &window_x, &window_y, &window_width, &window_height); | |
7142 | top = window_y; | |
7143 | width = FRAME_SCROLL_BAR_COLS (f) * CANON_X_UNIT (f); | |
7144 | height = window_height; | |
7145 | ||
7146 | /* Compute the left edge of the scroll bar area. */ | |
7147 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)) | |
7148 | left = XINT (w->left) + XINT (w->width) - FRAME_SCROLL_BAR_COLS (f); | |
7149 | else | |
7150 | left = XFASTINT (w->left); | |
7151 | left *= CANON_X_UNIT (f); | |
7152 | left += FRAME_INTERNAL_BORDER_WIDTH (f); | |
7153 | ||
7154 | /* Compute the width of the scroll bar which might be less than | |
7155 | the width of the area reserved for the scroll bar. */ | |
7156 | if (FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0) | |
7157 | sb_width = FRAME_SCROLL_BAR_PIXEL_WIDTH (f); | |
7158 | else | |
7159 | sb_width = width; | |
ee78dc32 | 7160 | |
791f420f JR |
7161 | /* Compute the left edge of the scroll bar. */ |
7162 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)) | |
7163 | sb_left = left + width - sb_width - (width - sb_width) / 2; | |
ee78dc32 | 7164 | else |
791f420f JR |
7165 | sb_left = left + (width - sb_width) / 2; |
7166 | ||
7167 | /* Does the scroll bar exist yet? */ | |
7168 | if (NILP (w->vertical_scroll_bar)) | |
ee78dc32 | 7169 | { |
00fe468b | 7170 | HDC hdc; |
791f420f | 7171 | BLOCK_INPUT; |
00fe468b JR |
7172 | hdc = get_frame_dc (f); |
7173 | w32_clear_area (f, hdc, left, top, width, height); | |
7174 | release_frame_dc (f, hdc); | |
791f420f | 7175 | UNBLOCK_INPUT; |
00fe468b | 7176 | |
791f420f | 7177 | bar = x_scroll_bar_create (w, top, sb_left, sb_width, height); |
ee78dc32 | 7178 | } |
791f420f JR |
7179 | else |
7180 | { | |
7181 | /* It may just need to be moved and resized. */ | |
7182 | HWND hwnd; | |
7183 | ||
7184 | bar = XSCROLL_BAR (w->vertical_scroll_bar); | |
7185 | hwnd = SCROLL_BAR_W32_WINDOW (bar); | |
7186 | ||
7187 | /* If already correctly positioned, do nothing. */ | |
7188 | if ( XINT (bar->left) == sb_left | |
7189 | && XINT (bar->top) == top | |
7190 | && XINT (bar->width) == sb_width | |
7191 | && XINT (bar->height) == height ) | |
7192 | { | |
7193 | /* Redraw after clear_frame. */ | |
7194 | if (!my_show_window (f, hwnd, SW_NORMAL)) | |
7195 | InvalidateRect (hwnd, NULL, FALSE); | |
7196 | } | |
7197 | else | |
7198 | { | |
00fe468b | 7199 | HDC hdc; |
791f420f JR |
7200 | BLOCK_INPUT; |
7201 | ||
00fe468b | 7202 | hdc = get_frame_dc (f); |
791f420f JR |
7203 | /* Since Windows scroll bars are smaller than the space reserved |
7204 | for them on the frame, we have to clear "under" them. */ | |
00fe468b | 7205 | w32_clear_area (f, hdc, |
791f420f JR |
7206 | left, |
7207 | top, | |
7208 | width, | |
7209 | height); | |
00fe468b | 7210 | release_frame_dc (f, hdc); |
791f420f JR |
7211 | |
7212 | /* Make sure scroll bar is "visible" before moving, to ensure the | |
7213 | area of the parent window now exposed will be refreshed. */ | |
7214 | my_show_window (f, hwnd, SW_HIDE); | |
7215 | MoveWindow (hwnd, sb_left, top, | |
7216 | sb_width, height, TRUE); | |
7217 | if (pfnSetScrollInfo) | |
7218 | { | |
7219 | SCROLLINFO si; | |
ee78dc32 | 7220 | |
791f420f JR |
7221 | si.cbSize = sizeof (si); |
7222 | si.fMask = SIF_RANGE; | |
7223 | si.nMin = 0; | |
7224 | si.nMax = VERTICAL_SCROLL_BAR_TOP_RANGE (f, height) | |
7225 | + VERTICAL_SCROLL_BAR_MIN_HANDLE; | |
ee78dc32 | 7226 | |
00fe468b | 7227 | pfnSetScrollInfo (hwnd, SB_CTL, &si, FALSE); |
791f420f JR |
7228 | } |
7229 | else | |
00fe468b | 7230 | SetScrollRange (hwnd, SB_CTL, 0, |
791f420f JR |
7231 | VERTICAL_SCROLL_BAR_TOP_RANGE (f, height), FALSE); |
7232 | my_show_window (f, hwnd, SW_NORMAL); | |
7233 | // InvalidateRect (w, NULL, FALSE); | |
7234 | ||
7235 | /* Remember new settings. */ | |
7236 | XSETINT (bar->left, sb_left); | |
7237 | XSETINT (bar->top, top); | |
7238 | XSETINT (bar->width, sb_width); | |
7239 | XSETINT (bar->height, height); | |
7240 | ||
7241 | UNBLOCK_INPUT; | |
7242 | } | |
7243 | } | |
7244 | w32_set_scroll_bar_thumb (bar, portion, position, whole); | |
ee78dc32 | 7245 | |
791f420f | 7246 | XSETVECTOR (w->vertical_scroll_bar, bar); |
ee78dc32 GV |
7247 | } |
7248 | ||
7249 | ||
7250 | /* The following three hooks are used when we're doing a thorough | |
7251 | redisplay of the frame. We don't explicitly know which scroll bars | |
7252 | are going to be deleted, because keeping track of when windows go | |
7253 | away is a real pain - "Can you say set-window-configuration, boys | |
7254 | and girls?" Instead, we just assert at the beginning of redisplay | |
7255 | that *all* scroll bars are to be removed, and then save a scroll bar | |
7256 | from the fiery pit when we actually redisplay its window. */ | |
7257 | ||
7258 | /* Arrange for all scroll bars on FRAME to be removed at the next call | |
7259 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
7260 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
7261 | static void | |
fbd6baed | 7262 | w32_condemn_scroll_bars (frame) |
ee78dc32 GV |
7263 | FRAME_PTR frame; |
7264 | { | |
ef0e360f GV |
7265 | /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */ |
7266 | while (! NILP (FRAME_SCROLL_BARS (frame))) | |
7267 | { | |
7268 | Lisp_Object bar; | |
7269 | bar = FRAME_SCROLL_BARS (frame); | |
7270 | FRAME_SCROLL_BARS (frame) = XSCROLL_BAR (bar)->next; | |
7271 | XSCROLL_BAR (bar)->next = FRAME_CONDEMNED_SCROLL_BARS (frame); | |
7272 | XSCROLL_BAR (bar)->prev = Qnil; | |
7273 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) | |
7274 | XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame))->prev = bar; | |
7275 | FRAME_CONDEMNED_SCROLL_BARS (frame) = bar; | |
7276 | } | |
ee78dc32 GV |
7277 | } |
7278 | ||
7279 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. | |
7280 | Note that WINDOW isn't necessarily condemned at all. */ | |
7281 | static void | |
fbd6baed | 7282 | w32_redeem_scroll_bar (window) |
ee78dc32 GV |
7283 | struct window *window; |
7284 | { | |
7285 | struct scroll_bar *bar; | |
7286 | ||
7287 | /* We can't redeem this window's scroll bar if it doesn't have one. */ | |
7288 | if (NILP (window->vertical_scroll_bar)) | |
7289 | abort (); | |
7290 | ||
7291 | bar = XSCROLL_BAR (window->vertical_scroll_bar); | |
7292 | ||
ef0e360f GV |
7293 | /* Unlink it from the condemned list. */ |
7294 | { | |
7295 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
7296 | ||
7297 | if (NILP (bar->prev)) | |
7298 | { | |
7299 | /* If the prev pointer is nil, it must be the first in one of | |
7300 | the lists. */ | |
7301 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) | |
7302 | /* It's not condemned. Everything's fine. */ | |
7303 | return; | |
7304 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), | |
7305 | window->vertical_scroll_bar)) | |
7306 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
7307 | else | |
7308 | /* If its prev pointer is nil, it must be at the front of | |
7309 | one or the other! */ | |
7310 | abort (); | |
7311 | } | |
7312 | else | |
7313 | XSCROLL_BAR (bar->prev)->next = bar->next; | |
7314 | ||
7315 | if (! NILP (bar->next)) | |
7316 | XSCROLL_BAR (bar->next)->prev = bar->prev; | |
7317 | ||
7318 | bar->next = FRAME_SCROLL_BARS (f); | |
7319 | bar->prev = Qnil; | |
7320 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); | |
7321 | if (! NILP (bar->next)) | |
7322 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); | |
7323 | } | |
ee78dc32 GV |
7324 | } |
7325 | ||
7326 | /* Remove all scroll bars on FRAME that haven't been saved since the | |
7327 | last call to `*condemn_scroll_bars_hook'. */ | |
7328 | static void | |
fbd6baed | 7329 | w32_judge_scroll_bars (f) |
ee78dc32 GV |
7330 | FRAME_PTR f; |
7331 | { | |
7332 | Lisp_Object bar, next; | |
7333 | ||
7334 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); | |
7335 | ||
7336 | /* Clear out the condemned list now so we won't try to process any | |
7337 | more events on the hapless scroll bars. */ | |
7338 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
7339 | ||
7340 | for (; ! NILP (bar); bar = next) | |
7341 | { | |
7342 | struct scroll_bar *b = XSCROLL_BAR (bar); | |
7343 | ||
7344 | x_scroll_bar_remove (b); | |
7345 | ||
7346 | next = b->next; | |
7347 | b->next = b->prev = Qnil; | |
7348 | } | |
7349 | ||
7350 | /* Now there should be no references to the condemned scroll bars, | |
7351 | and they should get garbage-collected. */ | |
7352 | } | |
7353 | ||
7354 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind | |
7355 | is set to something other than no_event, it is enqueued. | |
7356 | ||
7357 | This may be called from a signal handler, so we have to ignore GC | |
7358 | mark bits. */ | |
2c28562d | 7359 | |
52cf03a1 | 7360 | static int |
ee78dc32 GV |
7361 | x_scroll_bar_handle_click (bar, msg, emacs_event) |
7362 | struct scroll_bar *bar; | |
fbd6baed | 7363 | W32Msg *msg; |
ee78dc32 GV |
7364 | struct input_event *emacs_event; |
7365 | { | |
7366 | if (! GC_WINDOWP (bar->window)) | |
7367 | abort (); | |
7368 | ||
fbd6baed | 7369 | emacs_event->kind = w32_scroll_bar_click; |
ee78dc32 | 7370 | emacs_event->code = 0; |
52cf03a1 GV |
7371 | /* not really meaningful to distinguish up/down */ |
7372 | emacs_event->modifiers = msg->dwModifiers; | |
ee78dc32 GV |
7373 | emacs_event->frame_or_window = bar->window; |
7374 | emacs_event->timestamp = msg->msg.time; | |
7375 | ||
7376 | { | |
791f420f | 7377 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (f, XINT (bar->height)); |
689004fa GV |
7378 | int y; |
7379 | int dragging = !NILP (bar->dragging); | |
7380 | ||
7381 | if (pfnGetScrollInfo) | |
7382 | { | |
7383 | SCROLLINFO si; | |
7384 | ||
7385 | si.cbSize = sizeof (si); | |
7386 | si.fMask = SIF_POS; | |
7387 | ||
7388 | pfnGetScrollInfo ((HWND) msg->msg.lParam, SB_CTL, &si); | |
7389 | y = si.nPos; | |
7390 | } | |
7391 | else | |
7392 | y = GetScrollPos ((HWND) msg->msg.lParam, SB_CTL); | |
7393 | ||
7394 | bar->dragging = Qnil; | |
ee78dc32 GV |
7395 | |
7396 | switch (LOWORD (msg->msg.wParam)) | |
2c28562d | 7397 | { |
2c28562d | 7398 | case SB_LINEDOWN: |
52cf03a1 | 7399 | emacs_event->part = scroll_bar_down_arrow; |
ee78dc32 | 7400 | break; |
2c28562d | 7401 | case SB_LINEUP: |
52cf03a1 | 7402 | emacs_event->part = scroll_bar_up_arrow; |
ee78dc32 | 7403 | break; |
2c28562d | 7404 | case SB_PAGEUP: |
ee78dc32 GV |
7405 | emacs_event->part = scroll_bar_above_handle; |
7406 | break; | |
2c28562d | 7407 | case SB_PAGEDOWN: |
ee78dc32 GV |
7408 | emacs_event->part = scroll_bar_below_handle; |
7409 | break; | |
2c28562d | 7410 | case SB_TOP: |
ee78dc32 GV |
7411 | emacs_event->part = scroll_bar_handle; |
7412 | y = 0; | |
7413 | break; | |
2c28562d | 7414 | case SB_BOTTOM: |
ee78dc32 GV |
7415 | emacs_event->part = scroll_bar_handle; |
7416 | y = top_range; | |
7417 | break; | |
689004fa | 7418 | case SB_THUMBTRACK: |
2c28562d | 7419 | case SB_THUMBPOSITION: |
791f420f JR |
7420 | if (VERTICAL_SCROLL_BAR_TOP_RANGE (f, XINT (bar->height)) <= 0xffff) |
7421 | y = HIWORD (msg->msg.wParam); | |
689004fa | 7422 | bar->dragging = Qt; |
ee78dc32 | 7423 | emacs_event->part = scroll_bar_handle; |
689004fa GV |
7424 | |
7425 | /* "Silently" update current position. */ | |
7426 | if (pfnSetScrollInfo) | |
7427 | { | |
7428 | SCROLLINFO si; | |
7429 | ||
7430 | si.cbSize = sizeof (si); | |
7431 | si.fMask = SIF_POS; | |
689004fa GV |
7432 | si.nPos = y; |
7433 | /* Remember apparent position (we actually lag behind the real | |
7434 | position, so don't set that directly. */ | |
7435 | last_scroll_bar_drag_pos = y; | |
7436 | ||
7437 | pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar), SB_CTL, &si, FALSE); | |
7438 | } | |
7439 | else | |
7440 | SetScrollPos (SCROLL_BAR_W32_WINDOW (bar), SB_CTL, y, FALSE); | |
ee78dc32 | 7441 | break; |
2c28562d | 7442 | case SB_ENDSCROLL: |
689004fa GV |
7443 | /* If this is the end of a drag sequence, then reset the scroll |
7444 | handle size to normal and do a final redraw. Otherwise do | |
7445 | nothing. */ | |
7446 | if (dragging) | |
7447 | { | |
7448 | if (pfnSetScrollInfo) | |
7449 | { | |
7450 | SCROLLINFO si; | |
7451 | int start = XINT (bar->start); | |
7452 | int end = XINT (bar->end); | |
7453 | ||
7454 | si.cbSize = sizeof (si); | |
7455 | si.fMask = SIF_PAGE | SIF_POS; | |
791f420f | 7456 | si.nPage = end - start + VERTICAL_SCROLL_BAR_MIN_HANDLE; |
689004fa | 7457 | si.nPos = last_scroll_bar_drag_pos; |
689004fa GV |
7458 | pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar), SB_CTL, &si, TRUE); |
7459 | } | |
7460 | else | |
7461 | SetScrollPos (SCROLL_BAR_W32_WINDOW (bar), SB_CTL, y, TRUE); | |
7462 | } | |
7463 | /* fall through */ | |
2c28562d | 7464 | default: |
689004fa | 7465 | emacs_event->kind = no_event; |
52cf03a1 | 7466 | return FALSE; |
2c28562d | 7467 | } |
52cf03a1 | 7468 | |
ee78dc32 GV |
7469 | XSETINT (emacs_event->x, y); |
7470 | XSETINT (emacs_event->y, top_range); | |
52cf03a1 GV |
7471 | |
7472 | return TRUE; | |
ee78dc32 GV |
7473 | } |
7474 | } | |
7475 | ||
7476 | /* Return information to the user about the current position of the mouse | |
7477 | on the scroll bar. */ | |
7478 | static void | |
7479 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time) | |
7480 | FRAME_PTR *fp; | |
7481 | Lisp_Object *bar_window; | |
7482 | enum scroll_bar_part *part; | |
7483 | Lisp_Object *x, *y; | |
7484 | unsigned long *time; | |
7485 | { | |
7486 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); | |
fbd6baed | 7487 | Window w = SCROLL_BAR_W32_WINDOW (bar); |
ee78dc32 GV |
7488 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
7489 | int pos; | |
791f420f | 7490 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (f, XINT (bar->height)); |
ee78dc32 GV |
7491 | |
7492 | BLOCK_INPUT; | |
7493 | ||
7494 | *fp = f; | |
7495 | *bar_window = bar->window; | |
7496 | ||
689004fa GV |
7497 | if (pfnGetScrollInfo) |
7498 | { | |
7499 | SCROLLINFO si; | |
7500 | ||
7501 | si.cbSize = sizeof (si); | |
7502 | si.fMask = SIF_POS | SIF_PAGE | SIF_RANGE; | |
7503 | ||
7504 | pfnGetScrollInfo (w, SB_CTL, &si); | |
7505 | pos = si.nPos; | |
7506 | top_range = si.nMax - si.nPage + 1; | |
7507 | } | |
7508 | else | |
7509 | pos = GetScrollPos (w, SB_CTL); | |
ee78dc32 GV |
7510 | |
7511 | switch (LOWORD (last_mouse_scroll_bar_pos)) | |
7512 | { | |
7513 | case SB_THUMBPOSITION: | |
7514 | case SB_THUMBTRACK: | |
7515 | *part = scroll_bar_handle; | |
791f420f | 7516 | if (VERTICAL_SCROLL_BAR_TOP_RANGE (f, XINT (bar->height)) <= 0xffff) |
ee78dc32 GV |
7517 | pos = HIWORD (last_mouse_scroll_bar_pos); |
7518 | break; | |
7519 | case SB_LINEDOWN: | |
7520 | *part = scroll_bar_handle; | |
7521 | pos++; | |
7522 | break; | |
7523 | default: | |
7524 | *part = scroll_bar_handle; | |
7525 | break; | |
7526 | } | |
7527 | ||
7528 | XSETINT(*x, pos); | |
689004fa | 7529 | XSETINT(*y, top_range); |
ee78dc32 GV |
7530 | |
7531 | f->mouse_moved = 0; | |
7532 | last_mouse_scroll_bar = Qnil; | |
7533 | ||
7534 | *time = last_mouse_movement_time; | |
7535 | ||
7536 | UNBLOCK_INPUT; | |
7537 | } | |
7538 | ||
7539 | /* The screen has been cleared so we may have changed foreground or | |
7540 | background colors, and the scroll bars may need to be redrawn. | |
7541 | Clear out the scroll bars, and ask for expose events, so we can | |
7542 | redraw them. */ | |
791f420f | 7543 | void |
ee78dc32 | 7544 | x_scroll_bar_clear (f) |
791f420f | 7545 | struct frame *f; |
ee78dc32 | 7546 | { |
ee78dc32 GV |
7547 | Lisp_Object bar; |
7548 | ||
7549 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); | |
7550 | bar = XSCROLL_BAR (bar)->next) | |
52cf03a1 | 7551 | { |
fbd6baed | 7552 | HWND window = SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar)); |
52cf03a1 GV |
7553 | HDC hdc = GetDC (window); |
7554 | RECT rect; | |
7555 | ||
689004fa GV |
7556 | /* Hide scroll bar until ready to repaint. x_scroll_bar_move |
7557 | arranges to refresh the scroll bar if hidden. */ | |
7558 | my_show_window (f, window, SW_HIDE); | |
7559 | ||
52cf03a1 GV |
7560 | GetClientRect (window, &rect); |
7561 | select_palette (f, hdc); | |
fbd6baed | 7562 | w32_clear_rect (f, hdc, &rect); |
52cf03a1 | 7563 | deselect_palette (f, hdc); |
689004fa GV |
7564 | |
7565 | ReleaseDC (window, hdc); | |
52cf03a1 GV |
7566 | } |
7567 | } | |
7568 | ||
7569 | show_scroll_bars (f, how) | |
7570 | FRAME_PTR f; | |
7571 | int how; | |
7572 | { | |
7573 | Lisp_Object bar; | |
7574 | ||
7575 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); | |
7576 | bar = XSCROLL_BAR (bar)->next) | |
7577 | { | |
fbd6baed | 7578 | HWND window = SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar)); |
689004fa | 7579 | my_show_window (f, window, how); |
52cf03a1 | 7580 | } |
ee78dc32 GV |
7581 | } |
7582 | ||
7583 | \f | |
fbd6baed | 7584 | /* The main W32 event-reading loop - w32_read_socket. */ |
ee78dc32 GV |
7585 | |
7586 | /* Timestamp of enter window event. This is only used by w32_read_socket, | |
7587 | but we have to put it out here, since static variables within functions | |
7588 | sometimes don't work. */ | |
7589 | static Time enter_timestamp; | |
7590 | ||
7591 | /* Record the last 100 characters stored | |
7592 | to help debug the loss-of-chars-during-GC problem. */ | |
7593 | int temp_index; | |
7594 | short temp_buffer[100]; | |
7595 | ||
afd153f0 | 7596 | |
fbd6baed | 7597 | /* Read events coming from the W32 shell. |
ee78dc32 GV |
7598 | This routine is called by the SIGIO handler. |
7599 | We return as soon as there are no more events to be read. | |
7600 | ||
7601 | Events representing keys are stored in buffer BUFP, | |
7602 | which can hold up to NUMCHARS characters. | |
7603 | We return the number of characters stored into the buffer, | |
7604 | thus pretending to be `read'. | |
7605 | ||
ee78dc32 GV |
7606 | EXPECTED is nonzero if the caller knows input is available. |
7607 | ||
7608 | Some of these messages are reposted back to the message queue since the | |
e9e23e23 GV |
7609 | system calls the windows proc directly in a context where we cannot return |
7610 | the data nor can we guarantee the state we are in. So if we dispatch them | |
ee78dc32 GV |
7611 | we will get into an infinite loop. To prevent this from ever happening we |
7612 | will set a variable to indicate we are in the read_socket call and indicate | |
e9e23e23 GV |
7613 | which message we are processing since the windows proc gets called |
7614 | recursively with different messages by the system. | |
ee78dc32 GV |
7615 | */ |
7616 | ||
7617 | int | |
3aad7613 | 7618 | w32_read_socket (sd, bufp, numchars, expected) |
ee78dc32 GV |
7619 | register int sd; |
7620 | register struct input_event *bufp; | |
7621 | register int numchars; | |
ee78dc32 GV |
7622 | int expected; |
7623 | { | |
7624 | int count = 0; | |
689004fa | 7625 | int check_visibility = 0; |
fbd6baed | 7626 | W32Msg msg; |
ee78dc32 | 7627 | struct frame *f; |
fbd6baed | 7628 | struct w32_display_info *dpyinfo = &one_w32_display_info; |
ee78dc32 GV |
7629 | |
7630 | if (interrupt_input_blocked) | |
7631 | { | |
7632 | interrupt_input_pending = 1; | |
7633 | return -1; | |
7634 | } | |
7635 | ||
7636 | interrupt_input_pending = 0; | |
7637 | BLOCK_INPUT; | |
7638 | ||
7639 | /* So people can tell when we have read the available input. */ | |
7640 | input_signal_count++; | |
7641 | ||
7642 | if (numchars <= 0) | |
7643 | abort (); /* Don't think this happens. */ | |
7644 | ||
791f420f JR |
7645 | /* NTEMACS_TODO: tooltips, tool-bars, ghostscript integration, mouse |
7646 | cursors. */ | |
52cf03a1 | 7647 | while (get_next_msg (&msg, FALSE)) |
ee78dc32 GV |
7648 | { |
7649 | switch (msg.msg.message) | |
7650 | { | |
ee78dc32 | 7651 | case WM_PAINT: |
ee78dc32 GV |
7652 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
7653 | ||
7654 | if (f) | |
7655 | { | |
014b6ea1 GV |
7656 | if (msg.rect.right == msg.rect.left || |
7657 | msg.rect.bottom == msg.rect.top) | |
ee78dc32 | 7658 | { |
014b6ea1 GV |
7659 | /* We may get paint messages even though the client |
7660 | area is clipped - these are not expose events. */ | |
7661 | DebPrint (("clipped frame %04x (%s) got WM_PAINT\n", f, | |
7662 | XSTRING (f->name)->data)); | |
7663 | } | |
7664 | else if (f->async_visible != 1) | |
7665 | { | |
7666 | /* Definitely not obscured, so mark as visible. */ | |
ee78dc32 GV |
7667 | f->async_visible = 1; |
7668 | f->async_iconified = 0; | |
7669 | SET_FRAME_GARBAGED (f); | |
014b6ea1 GV |
7670 | DebPrint (("frame %04x (%s) reexposed\n", f, |
7671 | XSTRING (f->name)->data)); | |
689004fa GV |
7672 | |
7673 | /* WM_PAINT serves as MapNotify as well, so report | |
7674 | visibility changes properly. */ | |
7675 | if (f->iconified) | |
7676 | { | |
7677 | bufp->kind = deiconify_event; | |
7678 | XSETFRAME (bufp->frame_or_window, f); | |
7679 | bufp++; | |
7680 | count++; | |
7681 | numchars--; | |
7682 | } | |
7683 | else if (! NILP(Vframe_list) | |
8e713be6 | 7684 | && ! NILP (XCDR (Vframe_list))) |
689004fa GV |
7685 | /* Force a redisplay sooner or later to update the |
7686 | frame titles in case this is the second frame. */ | |
7687 | record_asynch_buffer_change (); | |
ee78dc32 GV |
7688 | } |
7689 | else | |
7690 | { | |
00fe468b JR |
7691 | HDC hdc = get_frame_dc (f); |
7692 | ||
97e6de38 | 7693 | /* Erase background again for safety. */ |
00fe468b JR |
7694 | w32_clear_rect (f, hdc, &msg.rect); |
7695 | release_frame_dc (f, hdc); | |
791f420f JR |
7696 | expose_frame (f, |
7697 | msg.rect.left, | |
7698 | msg.rect.top, | |
7699 | msg.rect.right - msg.rect.left, | |
7700 | msg.rect.bottom - msg.rect.top); | |
ee78dc32 GV |
7701 | } |
7702 | } | |
52cf03a1 | 7703 | break; |
689004fa | 7704 | |
f98169a0 GV |
7705 | case WM_INPUTLANGCHANGE: |
7706 | /* Generate a language change event. */ | |
7707 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
7708 | ||
7709 | if (f) | |
7710 | { | |
7711 | if (numchars == 0) | |
7712 | abort (); | |
7713 | ||
7714 | bufp->kind = language_change_event; | |
7715 | XSETFRAME (bufp->frame_or_window, f); | |
7716 | bufp->code = msg.msg.wParam; | |
7717 | bufp->modifiers = msg.msg.lParam & 0xffff; | |
7718 | bufp++; | |
7719 | count++; | |
7720 | numchars--; | |
7721 | } | |
7722 | break; | |
7723 | ||
ee78dc32 GV |
7724 | case WM_KEYDOWN: |
7725 | case WM_SYSKEYDOWN: | |
7726 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
7727 | ||
7728 | if (f && !f->iconified) | |
7729 | { | |
7730 | if (temp_index == sizeof temp_buffer / sizeof (short)) | |
7731 | temp_index = 0; | |
7732 | temp_buffer[temp_index++] = msg.msg.wParam; | |
7733 | bufp->kind = non_ascii_keystroke; | |
7734 | bufp->code = msg.msg.wParam; | |
f98169a0 | 7735 | bufp->modifiers = msg.dwModifiers; |
ee78dc32 GV |
7736 | XSETFRAME (bufp->frame_or_window, f); |
7737 | bufp->timestamp = msg.msg.time; | |
7738 | bufp++; | |
7739 | numchars--; | |
7740 | count++; | |
7741 | } | |
7742 | break; | |
689004fa | 7743 | |
ee78dc32 GV |
7744 | case WM_SYSCHAR: |
7745 | case WM_CHAR: | |
7746 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
7747 | ||
7748 | if (f && !f->iconified) | |
7749 | { | |
f98169a0 GV |
7750 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
7751 | temp_index = 0; | |
7752 | temp_buffer[temp_index++] = msg.msg.wParam; | |
7753 | bufp->kind = ascii_keystroke; | |
7754 | bufp->code = msg.msg.wParam; | |
7755 | bufp->modifiers = msg.dwModifiers; | |
7756 | XSETFRAME (bufp->frame_or_window, f); | |
7757 | bufp->timestamp = msg.msg.time; | |
7758 | bufp++; | |
7759 | numchars--; | |
7760 | count++; | |
ee78dc32 GV |
7761 | } |
7762 | break; | |
689004fa | 7763 | |
ee78dc32 | 7764 | case WM_MOUSEMOVE: |
791f420f JR |
7765 | previous_help_echo = help_echo; |
7766 | help_echo = Qnil; | |
7767 | ||
ee78dc32 GV |
7768 | if (dpyinfo->grabbed && last_mouse_frame |
7769 | && FRAME_LIVE_P (last_mouse_frame)) | |
7770 | f = last_mouse_frame; | |
7771 | else | |
7772 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
7773 | ||
7774 | if (f) | |
7775 | note_mouse_movement (f, &msg.msg); | |
7776 | else | |
791f420f JR |
7777 | { |
7778 | /* If we move outside the frame, then we're | |
7779 | certainly no longer on any text in the frame. */ | |
7780 | clear_mouse_face (FRAME_W32_DISPLAY_INFO (f)); | |
7781 | } | |
7782 | ||
7783 | /* If the contents of the global variable help_echo | |
7784 | has changed, generate a HELP_EVENT. */ | |
7785 | if (STRINGP (help_echo) | |
7786 | || STRINGP (previous_help_echo)) | |
7787 | { | |
7788 | Lisp_Object frame; | |
7789 | ||
7790 | if (f) | |
7791 | XSETFRAME (frame, f); | |
7792 | else | |
7793 | frame = Qnil; | |
7794 | ||
7795 | any_help_event_p = 1; | |
7796 | bufp->kind = HELP_EVENT; | |
7797 | bufp->frame_or_window = Fcons (frame, help_echo); | |
7798 | ++bufp, ++count, --numchars; | |
7799 | } | |
7800 | break; | |
689004fa | 7801 | |
ee78dc32 GV |
7802 | case WM_LBUTTONDOWN: |
7803 | case WM_LBUTTONUP: | |
7804 | case WM_MBUTTONDOWN: | |
7805 | case WM_MBUTTONUP: | |
7806 | case WM_RBUTTONDOWN: | |
7807 | case WM_RBUTTONUP: | |
7808 | { | |
791f420f JR |
7809 | /* If we decide we want to generate an event to be seen |
7810 | by the rest of Emacs, we put it here. */ | |
7811 | struct input_event emacs_event; | |
7812 | int tool_bar_p = 0; | |
ee78dc32 GV |
7813 | int button; |
7814 | int up; | |
791f420f JR |
7815 | |
7816 | emacs_event.kind = no_event; | |
ee78dc32 GV |
7817 | |
7818 | if (dpyinfo->grabbed && last_mouse_frame | |
7819 | && FRAME_LIVE_P (last_mouse_frame)) | |
7820 | f = last_mouse_frame; | |
7821 | else | |
7822 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
7823 | ||
7824 | if (f) | |
7825 | { | |
791f420f JR |
7826 | construct_mouse_click (&emacs_event, &msg, f); |
7827 | ||
7828 | /* Is this in the tool-bar? */ | |
7829 | if (WINDOWP (f->tool_bar_window) | |
7830 | && XFASTINT (XWINDOW (f->tool_bar_window)->height)) | |
7831 | { | |
7832 | Lisp_Object window; | |
7833 | int p, x, y; | |
7834 | ||
7835 | /* Set x and y. */ | |
7836 | window = window_from_coordinates (f, | |
7837 | emacs_event.x, | |
7838 | emacs_event.y, | |
7839 | &p, 1); | |
7840 | if (EQ (window, f->tool_bar_window)) | |
7841 | { | |
7842 | w32_handle_tool_bar_click (f, &emacs_event); | |
7843 | tool_bar_p = 1; | |
7844 | } | |
7845 | } | |
7846 | ||
7847 | if (!tool_bar_p) | |
7848 | if (!dpyinfo->w32_focus_frame | |
7849 | || f == dpyinfo->w32_focus_frame | |
7850 | && (numchars >= 1)) | |
7851 | { | |
7852 | construct_mouse_click (bufp, &msg, f); | |
7853 | bufp++; | |
7854 | count++; | |
7855 | numchars--; | |
7856 | } | |
ee78dc32 GV |
7857 | } |
7858 | ||
7859 | parse_button (msg.msg.message, &button, &up); | |
7860 | ||
7861 | if (up) | |
7862 | { | |
7863 | dpyinfo->grabbed &= ~ (1 << button); | |
7864 | } | |
7865 | else | |
7866 | { | |
7867 | dpyinfo->grabbed |= (1 << button); | |
7868 | last_mouse_frame = f; | |
791f420f JR |
7869 | /* Ignore any mouse motion that happened |
7870 | before this event; any subsequent mouse-movement | |
7871 | Emacs events should reflect only motion after | |
7872 | the ButtonPress. */ | |
7873 | if (f != 0) | |
7874 | f->mouse_moved = 0; | |
7875 | ||
7876 | if (!tool_bar_p) | |
7877 | last_tool_bar_item = -1; | |
ee78dc32 | 7878 | } |
689004fa | 7879 | break; |
ee78dc32 GV |
7880 | } |
7881 | ||
689004fa GV |
7882 | case WM_MOUSEWHEEL: |
7883 | if (dpyinfo->grabbed && last_mouse_frame | |
7884 | && FRAME_LIVE_P (last_mouse_frame)) | |
7885 | f = last_mouse_frame; | |
7886 | else | |
7887 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
7888 | ||
7889 | if (f) | |
7890 | { | |
7891 | if ((!dpyinfo->w32_focus_frame | |
7892 | || f == dpyinfo->w32_focus_frame) | |
7893 | && (numchars >= 1)) | |
7894 | { | |
7895 | construct_mouse_wheel (bufp, &msg, f); | |
7896 | bufp++; | |
7897 | count++; | |
7898 | numchars--; | |
7899 | } | |
7900 | } | |
ee78dc32 | 7901 | break; |
689004fa | 7902 | |
12857dfd RS |
7903 | case WM_DROPFILES: |
7904 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
7905 | ||
7906 | if (f) | |
7907 | { | |
7908 | construct_drag_n_drop (bufp, &msg, f); | |
7909 | bufp++; | |
7910 | count++; | |
7911 | numchars--; | |
7912 | } | |
7913 | break; | |
7914 | ||
ee78dc32 GV |
7915 | case WM_VSCROLL: |
7916 | { | |
689004fa GV |
7917 | struct scroll_bar *bar = |
7918 | x_window_to_scroll_bar ((HWND)msg.msg.lParam); | |
ee78dc32 GV |
7919 | |
7920 | if (bar && numchars >= 1) | |
7921 | { | |
52cf03a1 GV |
7922 | if (x_scroll_bar_handle_click (bar, &msg, bufp)) |
7923 | { | |
7924 | bufp++; | |
7925 | count++; | |
7926 | numchars--; | |
7927 | } | |
ee78dc32 | 7928 | } |
689004fa | 7929 | break; |
ee78dc32 GV |
7930 | } |
7931 | ||
689004fa GV |
7932 | case WM_WINDOWPOSCHANGED: |
7933 | case WM_ACTIVATE: | |
7934 | case WM_ACTIVATEAPP: | |
7935 | check_visibility = 1; | |
ee78dc32 | 7936 | break; |
689004fa | 7937 | |
ee78dc32 GV |
7938 | case WM_MOVE: |
7939 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
7940 | ||
7941 | if (f && !f->async_iconified) | |
7942 | { | |
689004fa GV |
7943 | int x, y; |
7944 | ||
7945 | x_real_positions (f, &x, &y); | |
7946 | f->output_data.w32->left_pos = x; | |
7947 | f->output_data.w32->top_pos = y; | |
ee78dc32 | 7948 | } |
689004fa GV |
7949 | |
7950 | check_visibility = 1; | |
7951 | break; | |
7952 | ||
7953 | case WM_SHOWWINDOW: | |
7954 | /* If window has been obscured or exposed by another window | |
7955 | being maximised or minimised/restored, then recheck | |
7956 | visibility of all frames. Direct changes to our own | |
7957 | windows get handled by WM_SIZE. */ | |
7958 | #if 0 | |
7959 | if (msg.msg.lParam != 0) | |
7960 | check_visibility = 1; | |
7961 | else | |
7962 | { | |
7963 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
7964 | f->async_visible = msg.msg.wParam; | |
7965 | } | |
7966 | #endif | |
7967 | ||
7968 | check_visibility = 1; | |
ee78dc32 | 7969 | break; |
689004fa | 7970 | |
ee78dc32 GV |
7971 | case WM_SIZE: |
7972 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
7973 | ||
689004fa GV |
7974 | /* Inform lisp of whether frame has been iconified etc. */ |
7975 | if (f) | |
ee78dc32 | 7976 | { |
689004fa | 7977 | switch (msg.msg.wParam) |
ee78dc32 | 7978 | { |
689004fa GV |
7979 | case SIZE_MINIMIZED: |
7980 | f->async_visible = 0; | |
ee78dc32 GV |
7981 | f->async_iconified = 1; |
7982 | ||
7983 | bufp->kind = iconify_event; | |
7984 | XSETFRAME (bufp->frame_or_window, f); | |
7985 | bufp++; | |
7986 | count++; | |
7987 | numchars--; | |
689004fa GV |
7988 | break; |
7989 | ||
7990 | case SIZE_MAXIMIZED: | |
7991 | case SIZE_RESTORED: | |
ee78dc32 GV |
7992 | f->async_visible = 1; |
7993 | f->async_iconified = 0; | |
7994 | ||
7995 | /* wait_reading_process_input will notice this and update | |
7996 | the frame's display structures. */ | |
7997 | SET_FRAME_GARBAGED (f); | |
7998 | ||
7999 | if (f->iconified) | |
8000 | { | |
31d4844a KH |
8001 | int x, y; |
8002 | ||
8003 | /* Reset top and left positions of the Window | |
8004 | here since Windows sends a WM_MOVE message | |
8005 | BEFORE telling us the Window is minimized | |
8006 | when the Window is iconified, with 3000,3000 | |
8007 | as the co-ords. */ | |
8008 | x_real_positions (f, &x, &y); | |
8009 | f->output_data.w32->left_pos = x; | |
8010 | f->output_data.w32->top_pos = y; | |
8011 | ||
ee78dc32 GV |
8012 | bufp->kind = deiconify_event; |
8013 | XSETFRAME (bufp->frame_or_window, f); | |
8014 | bufp++; | |
8015 | count++; | |
8016 | numchars--; | |
8017 | } | |
8018 | else | |
8019 | /* Force a redisplay sooner or later | |
8020 | to update the frame titles | |
8021 | in case this is the second frame. */ | |
8022 | record_asynch_buffer_change (); | |
689004fa | 8023 | break; |
ee78dc32 | 8024 | } |
ee78dc32 | 8025 | } |
689004fa | 8026 | |
ef0e360f GV |
8027 | if (f && !f->async_iconified && msg.msg.wParam != SIZE_MINIMIZED) |
8028 | { | |
8029 | RECT rect; | |
8030 | int rows; | |
8031 | int columns; | |
8032 | int width; | |
8033 | int height; | |
8034 | ||
8035 | GetClientRect(msg.msg.hwnd, &rect); | |
8036 | ||
8037 | height = rect.bottom - rect.top; | |
8038 | width = rect.right - rect.left; | |
8039 | ||
8040 | rows = PIXEL_TO_CHAR_HEIGHT (f, height); | |
8041 | columns = PIXEL_TO_CHAR_WIDTH (f, width); | |
8042 | ||
8043 | /* TODO: Clip size to the screen dimensions. */ | |
8044 | ||
8045 | /* Even if the number of character rows and columns has | |
8046 | not changed, the font size may have changed, so we need | |
8047 | to check the pixel dimensions as well. */ | |
8048 | ||
8049 | if (columns != f->width | |
8050 | || rows != f->height | |
8051 | || width != f->output_data.w32->pixel_width | |
8052 | || height != f->output_data.w32->pixel_height) | |
8053 | { | |
791f420f | 8054 | change_frame_size (f, rows, columns, 0, 1, 0); |
ef0e360f | 8055 | SET_FRAME_GARBAGED (f); |
31d4844a | 8056 | cancel_mouse_face (f); |
ef0e360f GV |
8057 | f->output_data.w32->pixel_width = width; |
8058 | f->output_data.w32->pixel_height = height; | |
8059 | f->output_data.w32->win_gravity = NorthWestGravity; | |
8060 | } | |
8061 | } | |
8062 | ||
689004fa GV |
8063 | check_visibility = 1; |
8064 | break; | |
8065 | ||
8066 | case WM_SETFOCUS: | |
791f420f JR |
8067 | f = x_any_window_to_frame (dpyinfo, msg.msg.hwnd); |
8068 | ||
8069 | dpyinfo->w32_focus_event_frame = f; | |
8070 | ||
8071 | if (f) | |
8072 | x_new_focus_frame (dpyinfo, f); | |
8073 | ||
8074 | ||
8075 | dpyinfo->grabbed = 0; | |
8076 | check_visibility = 1; | |
8077 | break; | |
8078 | ||
689004fa | 8079 | case WM_KILLFOCUS: |
791f420f JR |
8080 | /* NTEMACS_TODO: some of this belongs in MOUSE_LEAVE */ |
8081 | f = x_top_window_to_frame (dpyinfo, msg.msg.hwnd); | |
08712a41 | 8082 | |
791f420f JR |
8083 | if (f) |
8084 | { | |
8085 | Lisp_Object frame; | |
8086 | ||
8087 | if (f == dpyinfo->w32_focus_event_frame) | |
8088 | dpyinfo->w32_focus_event_frame = 0; | |
8089 | ||
8090 | if (f == dpyinfo->w32_focus_frame) | |
8091 | x_new_focus_frame (dpyinfo, 0); | |
8092 | ||
8093 | if (f == dpyinfo->mouse_face_mouse_frame) | |
8094 | { | |
8095 | /* If we move outside the frame, then we're | |
8096 | certainly no longer on any text in the frame. */ | |
8097 | clear_mouse_face (dpyinfo); | |
8098 | dpyinfo->mouse_face_mouse_frame = 0; | |
8099 | } | |
8100 | /* Generate a nil HELP_EVENT to cancel a help-echo. | |
8101 | Do it only if there's something to cancel. | |
8102 | Otherwise, the startup message is cleared when | |
8103 | the mouse leaves the frame. */ | |
8104 | if (any_help_event_p) | |
8105 | { | |
8106 | XSETFRAME (frame, f); | |
8107 | bufp->kind = HELP_EVENT; | |
8108 | bufp->frame_or_window = Fcons (frame, Qnil); | |
8109 | ++bufp, ++count, --numchars; | |
8110 | } | |
8111 | } | |
689004fa | 8112 | |
08712a41 | 8113 | dpyinfo->grabbed = 0; |
689004fa | 8114 | check_visibility = 1; |
ee78dc32 | 8115 | break; |
689004fa | 8116 | |
ee78dc32 GV |
8117 | case WM_CLOSE: |
8118 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
8119 | ||
8120 | if (f) | |
8121 | { | |
8122 | if (numchars == 0) | |
8123 | abort (); | |
8124 | ||
8125 | bufp->kind = delete_window_event; | |
8126 | XSETFRAME (bufp->frame_or_window, f); | |
8127 | bufp++; | |
8128 | count++; | |
8129 | numchars--; | |
8130 | } | |
689004fa GV |
8131 | break; |
8132 | ||
8133 | case WM_INITMENU: | |
8134 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
8135 | ||
8136 | if (f) | |
8137 | { | |
8138 | if (numchars == 0) | |
8139 | abort (); | |
ee78dc32 | 8140 | |
689004fa GV |
8141 | bufp->kind = menu_bar_activate_event; |
8142 | XSETFRAME (bufp->frame_or_window, f); | |
8143 | bufp++; | |
8144 | count++; | |
8145 | numchars--; | |
8146 | } | |
ee78dc32 | 8147 | break; |
689004fa | 8148 | |
ee78dc32 GV |
8149 | case WM_COMMAND: |
8150 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
014b6ea1 | 8151 | |
ee78dc32 GV |
8152 | if (f) |
8153 | { | |
f98169a0 GV |
8154 | extern void menubar_selection_callback |
8155 | (FRAME_PTR f, void * client_data); | |
014b6ea1 | 8156 | menubar_selection_callback (f, (void *)msg.msg.wParam); |
ee78dc32 | 8157 | } |
689004fa GV |
8158 | |
8159 | check_visibility = 1; | |
8160 | break; | |
8161 | ||
8162 | case WM_DISPLAYCHANGE: | |
8163 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
8164 | ||
8165 | if (f) | |
8166 | { | |
8167 | dpyinfo->width = (short) LOWORD (msg.msg.lParam); | |
8168 | dpyinfo->height = (short) HIWORD (msg.msg.lParam); | |
8169 | dpyinfo->n_cbits = msg.msg.wParam; | |
8170 | DebPrint (("display change: %d %d\n", dpyinfo->width, | |
8171 | dpyinfo->height)); | |
8172 | } | |
8173 | ||
8174 | check_visibility = 1; | |
ee78dc32 | 8175 | break; |
e7efd97e GV |
8176 | |
8177 | default: | |
8178 | /* Check for messages registered at runtime. */ | |
8179 | if (msg.msg.message == msh_mousewheel) | |
8180 | { | |
8181 | if (dpyinfo->grabbed && last_mouse_frame | |
8182 | && FRAME_LIVE_P (last_mouse_frame)) | |
8183 | f = last_mouse_frame; | |
8184 | else | |
8185 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
8186 | ||
8187 | if (f) | |
8188 | { | |
8189 | if ((!dpyinfo->w32_focus_frame | |
8190 | || f == dpyinfo->w32_focus_frame) | |
8191 | && (numchars >= 1)) | |
8192 | { | |
8193 | construct_mouse_wheel (bufp, &msg, f); | |
8194 | bufp++; | |
8195 | count++; | |
8196 | numchars--; | |
8197 | } | |
8198 | } | |
8199 | } | |
8200 | break; | |
ee78dc32 GV |
8201 | } |
8202 | } | |
8203 | ||
8204 | /* If the focus was just given to an autoraising frame, | |
8205 | raise it now. */ | |
8206 | /* ??? This ought to be able to handle more than one such frame. */ | |
8207 | if (pending_autoraise_frame) | |
8208 | { | |
8209 | x_raise_frame (pending_autoraise_frame); | |
8210 | pending_autoraise_frame = 0; | |
8211 | } | |
8212 | ||
689004fa GV |
8213 | /* Check which frames are still visisble, if we have enqueued any user |
8214 | events or been notified of events that may affect visibility. We | |
8215 | do this here because there doesn't seem to be any direct | |
8216 | notification from Windows that the visibility of a window has | |
8217 | changed (at least, not in all cases). */ | |
8218 | if (count > 0 || check_visibility) | |
8219 | { | |
8220 | Lisp_Object tail, frame; | |
8221 | ||
8222 | FOR_EACH_FRAME (tail, frame) | |
8223 | { | |
8224 | FRAME_PTR f = XFRAME (frame); | |
8225 | /* Check "visible" frames and mark each as obscured or not. | |
8226 | Note that async_visible is nonzero for unobscured and | |
8227 | obscured frames, but zero for hidden and iconified frames. */ | |
8228 | if (FRAME_W32_P (f) && f->async_visible) | |
8229 | { | |
8230 | RECT clipbox; | |
8231 | HDC hdc = get_frame_dc (f); | |
8232 | GetClipBox (hdc, &clipbox); | |
8233 | release_frame_dc (f, hdc); | |
8234 | ||
8235 | if (clipbox.right == clipbox.left | |
8236 | || clipbox.bottom == clipbox.top) | |
8237 | { | |
8238 | /* Frame has become completely obscured so mark as | |
8239 | such (we do this by setting async_visible to 2 so | |
8240 | that FRAME_VISIBLE_P is still true, but redisplay | |
8241 | will skip it). */ | |
8242 | f->async_visible = 2; | |
8243 | ||
8244 | if (!FRAME_OBSCURED_P (f)) | |
8245 | { | |
8246 | DebPrint (("frame %04x (%s) obscured\n", f, | |
8247 | XSTRING (f->name)->data)); | |
8248 | } | |
8249 | } | |
8250 | else | |
8251 | { | |
8252 | /* Frame is not obscured, so mark it as such. */ | |
8253 | f->async_visible = 1; | |
8254 | ||
8255 | if (FRAME_OBSCURED_P (f)) | |
8256 | { | |
8257 | SET_FRAME_GARBAGED (f); | |
8258 | DebPrint (("frame %04x (%s) reexposed\n", f, | |
8259 | XSTRING (f->name)->data)); | |
8260 | ||
8261 | /* Force a redisplay sooner or later. */ | |
8262 | record_asynch_buffer_change (); | |
8263 | } | |
8264 | } | |
8265 | } | |
8266 | } | |
8267 | } | |
8268 | ||
ee78dc32 GV |
8269 | UNBLOCK_INPUT; |
8270 | return count; | |
8271 | } | |
791f420f | 8272 | |
ee78dc32 | 8273 | \f |
791f420f JR |
8274 | /*********************************************************************** |
8275 | Text Cursor | |
8276 | ***********************************************************************/ | |
8277 | ||
8278 | /* Note if the text cursor of window W has been overwritten by a | |
8279 | drawing operation that outputs N glyphs starting at HPOS in the | |
8280 | line given by output_cursor.vpos. N < 0 means all the rest of the | |
8281 | line after HPOS has been written. */ | |
8282 | ||
8283 | static void | |
8284 | note_overwritten_text_cursor (w, hpos, n) | |
8285 | struct window *w; | |
8286 | int hpos, n; | |
8287 | { | |
8288 | if (updated_area == TEXT_AREA | |
8289 | && output_cursor.vpos == w->phys_cursor.vpos | |
8290 | && hpos <= w->phys_cursor.hpos | |
8291 | && (n < 0 | |
8292 | || hpos + n > w->phys_cursor.hpos)) | |
8293 | w->phys_cursor_on_p = 0; | |
8294 | } | |
8295 | ||
ee78dc32 | 8296 | |
791f420f JR |
8297 | /* Set clipping for output in glyph row ROW. W is the window in which |
8298 | we operate. GC is the graphics context to set clipping in. | |
8299 | WHOLE_LINE_P non-zero means include the areas used for truncation | |
8300 | mark display and alike in the clipping rectangle. | |
ee78dc32 | 8301 | |
791f420f JR |
8302 | ROW may be a text row or, e.g., a mode line. Text rows must be |
8303 | clipped to the interior of the window dedicated to text display, | |
8304 | mode lines must be clipped to the whole window. */ | |
ee78dc32 GV |
8305 | |
8306 | static void | |
791f420f JR |
8307 | w32_clip_to_row (w, row, hdc, whole_line_p) |
8308 | struct window *w; | |
8309 | struct glyph_row *row; | |
8310 | HDC hdc; | |
8311 | int whole_line_p; | |
ee78dc32 | 8312 | { |
791f420f JR |
8313 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
8314 | RECT clip_rect; | |
8315 | int window_x, window_y, window_width, window_height; | |
52cf03a1 | 8316 | |
791f420f | 8317 | window_box (w, -1, &window_x, &window_y, &window_width, &window_height); |
52cf03a1 | 8318 | |
791f420f JR |
8319 | clip_rect.left = WINDOW_TO_FRAME_PIXEL_X (w, 0); |
8320 | clip_rect.top = WINDOW_TO_FRAME_PIXEL_Y (w, row->y); | |
8321 | clip_rect.top = max (clip_rect.top, window_y); | |
8322 | clip_rect.right = clip_rect.left + window_width; | |
8323 | clip_rect.bottom = clip_rect.top + row->visible_height; | |
8324 | ||
8325 | /* If clipping to the whole line, including trunc marks, extend | |
8326 | the rectangle to the left and right. */ | |
8327 | if (whole_line_p) | |
8328 | { | |
8329 | clip_rect.left -= FRAME_X_LEFT_FLAGS_AREA_WIDTH (f); | |
8330 | clip_rect.right += FRAME_X_FLAGS_AREA_WIDTH (f); | |
8331 | } | |
8332 | ||
8333 | w32_set_clip_rectangle (hdc, &clip_rect); | |
ee78dc32 GV |
8334 | } |
8335 | ||
791f420f JR |
8336 | |
8337 | /* Draw a hollow box cursor on window W in glyph row ROW. */ | |
ee78dc32 GV |
8338 | |
8339 | static void | |
791f420f JR |
8340 | x_draw_hollow_cursor (w, row) |
8341 | struct window *w; | |
8342 | struct glyph_row *row; | |
ee78dc32 | 8343 | { |
791f420f JR |
8344 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
8345 | HDC hdc = get_frame_dc (f); | |
8346 | RECT rect; | |
8347 | int wd; | |
8348 | struct glyph *cursor_glyph; | |
8349 | HBRUSH hb = CreateSolidBrush (f->output_data.w32->cursor_pixel); | |
8350 | ||
8351 | /* Compute frame-relative coordinates from window-relative | |
8352 | coordinates. */ | |
8353 | rect.left = WINDOW_TEXT_TO_FRAME_PIXEL_X (w, w->phys_cursor.x); | |
8354 | rect.top = (WINDOW_TO_FRAME_PIXEL_Y (w, w->phys_cursor.y) | |
8355 | + row->ascent - w->phys_cursor_ascent); | |
8356 | rect.bottom = rect.top + row->height - 1; | |
8357 | ||
8358 | /* Get the glyph the cursor is on. If we can't tell because | |
8359 | the current matrix is invalid or such, give up. */ | |
8360 | cursor_glyph = get_phys_cursor_glyph (w); | |
8361 | if (cursor_glyph == NULL) | |
ee78dc32 GV |
8362 | return; |
8363 | ||
791f420f JR |
8364 | /* Compute the width of the rectangle to draw. If on a stretch |
8365 | glyph, and `x-stretch-block-cursor' is nil, don't draw a | |
8366 | rectangle as wide as the glyph, but use a canonical character | |
8367 | width instead. */ | |
8368 | wd = cursor_glyph->pixel_width - 1; | |
8369 | if (cursor_glyph->type == STRETCH_GLYPH | |
8370 | && !x_stretch_cursor_p) | |
8371 | wd = min (CANON_X_UNIT (f), wd); | |
8372 | ||
8373 | rect.right = rect.left + wd; | |
8374 | ||
8375 | FrameRect (hdc, &rect, hb); | |
8376 | DeleteObject (hb); | |
8377 | ||
8378 | release_frame_dc (f, hdc); | |
ee78dc32 GV |
8379 | } |
8380 | ||
791f420f JR |
8381 | |
8382 | /* Draw a bar cursor on window W in glyph row ROW. | |
8383 | ||
8384 | Implementation note: One would like to draw a bar cursor with an | |
8385 | angle equal to the one given by the font property XA_ITALIC_ANGLE. | |
8386 | Unfortunately, I didn't find a font yet that has this property set. | |
8387 | --gerd. */ | |
ee78dc32 GV |
8388 | |
8389 | static void | |
791f420f JR |
8390 | x_draw_bar_cursor (w, row) |
8391 | struct window *w; | |
8392 | struct glyph_row *row; | |
ee78dc32 | 8393 | { |
791f420f JR |
8394 | /* If cursor hpos is out of bounds, don't draw garbage. This can |
8395 | happen in mini-buffer windows when switching between echo area | |
8396 | glyphs and mini-buffer. */ | |
8397 | if (w->phys_cursor.hpos < row->used[TEXT_AREA]) | |
8398 | { | |
8399 | struct frame *f = XFRAME (w->frame); | |
8400 | struct glyph *cursor_glyph; | |
8401 | int x; | |
00fe468b | 8402 | HDC hdc; |
791f420f JR |
8403 | |
8404 | cursor_glyph = get_phys_cursor_glyph (w); | |
8405 | if (cursor_glyph == NULL) | |
8406 | return; | |
8407 | ||
8408 | x = WINDOW_TEXT_TO_FRAME_PIXEL_X (w, w->phys_cursor.x); | |
8409 | ||
00fe468b | 8410 | hdc = get_frame_dc (f); |
791f420f JR |
8411 | w32_fill_area (f, hdc, f->output_data.w32->cursor_pixel, |
8412 | x, | |
8413 | WINDOW_TO_FRAME_PIXEL_Y (w, w->phys_cursor.y), | |
8414 | min (cursor_glyph->pixel_width, | |
8415 | f->output_data.w32->cursor_width), | |
8416 | row->height); | |
8417 | release_frame_dc (f, hdc); | |
8418 | } | |
ee78dc32 GV |
8419 | } |
8420 | ||
791f420f JR |
8421 | |
8422 | /* Clear the cursor of window W to background color, and mark the | |
8423 | cursor as not shown. This is used when the text where the cursor | |
8424 | is is about to be rewritten. */ | |
8425 | ||
ee78dc32 | 8426 | static void |
791f420f JR |
8427 | x_clear_cursor (w) |
8428 | struct window *w; | |
ee78dc32 | 8429 | { |
791f420f JR |
8430 | if (FRAME_VISIBLE_P (XFRAME (w->frame)) && w->phys_cursor_on_p) |
8431 | x_update_window_cursor (w, 0); | |
8432 | } | |
ee78dc32 | 8433 | |
ee78dc32 | 8434 | |
791f420f JR |
8435 | /* Draw the cursor glyph of window W in glyph row ROW. See the |
8436 | comment of x_draw_glyphs for the meaning of HL. */ | |
ee78dc32 | 8437 | |
791f420f JR |
8438 | static void |
8439 | x_draw_phys_cursor_glyph (w, row, hl) | |
8440 | struct window *w; | |
8441 | struct glyph_row *row; | |
8442 | enum draw_glyphs_face hl; | |
8443 | { | |
8444 | /* If cursor hpos is out of bounds, don't draw garbage. This can | |
8445 | happen in mini-buffer windows when switching between echo area | |
8446 | glyphs and mini-buffer. */ | |
8447 | if (w->phys_cursor.hpos < row->used[TEXT_AREA]) | |
ee78dc32 | 8448 | { |
791f420f JR |
8449 | x_draw_glyphs (w, w->phys_cursor.x, row, TEXT_AREA, |
8450 | w->phys_cursor.hpos, w->phys_cursor.hpos + 1, | |
8451 | hl, 0, 0, 0); | |
8452 | ||
8453 | /* When we erase the cursor, and ROW is overlapped by other | |
8454 | rows, make sure that these overlapping parts of other rows | |
8455 | are redrawn. */ | |
8456 | if (hl == DRAW_NORMAL_TEXT && row->overlapped_p) | |
8457 | { | |
8458 | if (row > w->current_matrix->rows | |
8459 | && MATRIX_ROW_OVERLAPS_SUCC_P (row - 1)) | |
8460 | x_fix_overlapping_area (w, row - 1, TEXT_AREA); | |
8461 | ||
8462 | if (MATRIX_ROW_BOTTOM_Y (row) < window_text_bottom_y (w) | |
8463 | && MATRIX_ROW_OVERLAPS_PRED_P (row + 1)) | |
8464 | x_fix_overlapping_area (w, row + 1, TEXT_AREA); | |
8465 | } | |
ee78dc32 | 8466 | } |
791f420f | 8467 | } |
ee78dc32 | 8468 | |
791f420f JR |
8469 | |
8470 | /* Erase the image of a cursor of window W from the screen. */ | |
8471 | ||
8472 | static void | |
8473 | x_erase_phys_cursor (w) | |
8474 | struct window *w; | |
8475 | { | |
8476 | struct frame *f = XFRAME (w->frame); | |
8477 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); | |
8478 | int hpos = w->phys_cursor.hpos; | |
8479 | int vpos = w->phys_cursor.vpos; | |
8480 | int mouse_face_here_p = 0; | |
8481 | struct glyph_matrix *active_glyphs = w->current_matrix; | |
8482 | struct glyph_row *cursor_row; | |
8483 | struct glyph *cursor_glyph; | |
8484 | enum draw_glyphs_face hl; | |
8485 | ||
8486 | /* No cursor displayed or row invalidated => nothing to do on the | |
8487 | screen. */ | |
8488 | if (w->phys_cursor_type == NO_CURSOR) | |
8489 | goto mark_cursor_off; | |
8490 | ||
8491 | /* VPOS >= active_glyphs->nrows means that window has been resized. | |
8492 | Don't bother to erase the cursor. */ | |
8493 | if (vpos >= active_glyphs->nrows) | |
8494 | goto mark_cursor_off; | |
8495 | ||
8496 | /* If row containing cursor is marked invalid, there is nothing we | |
8497 | can do. */ | |
8498 | cursor_row = MATRIX_ROW (active_glyphs, vpos); | |
8499 | if (!cursor_row->enabled_p) | |
8500 | goto mark_cursor_off; | |
8501 | ||
8502 | /* This can happen when the new row is shorter than the old one. | |
8503 | In this case, either x_draw_glyphs or clear_end_of_line | |
8504 | should have cleared the cursor. Note that we wouldn't be | |
8505 | able to erase the cursor in this case because we don't have a | |
8506 | cursor glyph at hand. */ | |
8507 | if (w->phys_cursor.hpos >= cursor_row->used[TEXT_AREA]) | |
8508 | goto mark_cursor_off; | |
8509 | ||
8510 | /* If the cursor is in the mouse face area, redisplay that when | |
8511 | we clear the cursor. */ | |
8512 | if (w == XWINDOW (dpyinfo->mouse_face_window) | |
8513 | && (vpos > dpyinfo->mouse_face_beg_row | |
8514 | || (vpos == dpyinfo->mouse_face_beg_row | |
8515 | && hpos >= dpyinfo->mouse_face_beg_col)) | |
8516 | && (vpos < dpyinfo->mouse_face_end_row | |
8517 | || (vpos == dpyinfo->mouse_face_end_row | |
8518 | && hpos < dpyinfo->mouse_face_end_col)) | |
8519 | /* Don't redraw the cursor's spot in mouse face if it is at the | |
8520 | end of a line (on a newline). The cursor appears there, but | |
8521 | mouse highlighting does not. */ | |
8522 | && cursor_row->used[TEXT_AREA] > hpos) | |
8523 | mouse_face_here_p = 1; | |
8524 | ||
8525 | /* Maybe clear the display under the cursor. */ | |
8526 | if (w->phys_cursor_type == HOLLOW_BOX_CURSOR) | |
ee78dc32 | 8527 | { |
791f420f JR |
8528 | int x; |
8529 | int header_line_height = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w); | |
00fe468b | 8530 | HDC hdc; |
ee78dc32 | 8531 | |
791f420f JR |
8532 | cursor_glyph = get_phys_cursor_glyph (w); |
8533 | if (cursor_glyph == NULL) | |
8534 | goto mark_cursor_off; | |
ee78dc32 | 8535 | |
791f420f | 8536 | x = WINDOW_TEXT_TO_FRAME_PIXEL_X (w, w->phys_cursor.x); |
00fe468b JR |
8537 | |
8538 | hdc = get_frame_dc (f); | |
8539 | w32_clear_area (f, hdc, x, | |
791f420f JR |
8540 | WINDOW_TO_FRAME_PIXEL_Y (w, max (header_line_height, |
8541 | cursor_row->y)), | |
8542 | cursor_glyph->pixel_width, | |
8543 | cursor_row->visible_height); | |
00fe468b | 8544 | release_frame_dc (f, hdc); |
ee78dc32 | 8545 | } |
791f420f JR |
8546 | |
8547 | /* Erase the cursor by redrawing the character underneath it. */ | |
8548 | if (mouse_face_here_p) | |
8549 | hl = DRAW_MOUSE_FACE; | |
8550 | else if (cursor_row->inverse_p) | |
8551 | hl = DRAW_INVERSE_VIDEO; | |
8552 | else | |
8553 | hl = DRAW_NORMAL_TEXT; | |
8554 | x_draw_phys_cursor_glyph (w, cursor_row, hl); | |
8555 | ||
8556 | mark_cursor_off: | |
8557 | w->phys_cursor_on_p = 0; | |
8558 | w->phys_cursor_type = NO_CURSOR; | |
ee78dc32 GV |
8559 | } |
8560 | ||
8561 | ||
791f420f JR |
8562 | /* Display or clear cursor of window W. If ON is zero, clear the |
8563 | cursor. If it is non-zero, display the cursor. If ON is nonzero, | |
8564 | where to put the cursor is specified by HPOS, VPOS, X and Y. */ | |
ee78dc32 | 8565 | |
791f420f JR |
8566 | void |
8567 | x_display_and_set_cursor (w, on, hpos, vpos, x, y) | |
8568 | struct window *w; | |
8569 | int on, hpos, vpos, x, y; | |
ee78dc32 | 8570 | { |
791f420f JR |
8571 | struct frame *f = XFRAME (w->frame); |
8572 | int new_cursor_type; | |
8573 | struct glyph_matrix *current_glyphs; | |
8574 | struct glyph_row *glyph_row; | |
8575 | struct glyph *glyph; | |
ee78dc32 GV |
8576 | |
8577 | /* This is pointless on invisible frames, and dangerous on garbaged | |
791f420f JR |
8578 | windows and frames; in the latter case, the frame or window may |
8579 | be in the midst of changing its size, and x and y may be off the | |
8580 | window. */ | |
8581 | if (! FRAME_VISIBLE_P (f) | |
8582 | || FRAME_GARBAGED_P (f) | |
8583 | || vpos >= w->current_matrix->nrows | |
8584 | || hpos >= w->current_matrix->matrix_w) | |
ee78dc32 GV |
8585 | return; |
8586 | ||
8587 | /* If cursor is off and we want it off, return quickly. */ | |
791f420f | 8588 | if (!on && !w->phys_cursor_on_p) |
ee78dc32 GV |
8589 | return; |
8590 | ||
791f420f JR |
8591 | current_glyphs = w->current_matrix; |
8592 | glyph_row = MATRIX_ROW (current_glyphs, vpos); | |
8593 | glyph = glyph_row->glyphs[TEXT_AREA] + hpos; | |
8594 | ||
8595 | /* If cursor row is not enabled, we don't really know where to | |
8596 | display the cursor. */ | |
8597 | if (!glyph_row->enabled_p) | |
8598 | { | |
8599 | w->phys_cursor_on_p = 0; | |
8600 | return; | |
8601 | } | |
8602 | ||
8603 | xassert (interrupt_input_blocked); | |
8604 | ||
8605 | /* Set new_cursor_type to the cursor we want to be displayed. In a | |
8606 | mini-buffer window, we want the cursor only to appear if we are | |
8607 | reading input from this window. For the selected window, we want | |
8608 | the cursor type given by the frame parameter. If explicitly | |
8609 | marked off, draw no cursor. In all other cases, we want a hollow | |
8610 | box cursor. */ | |
8611 | if (cursor_in_echo_area | |
8612 | && FRAME_HAS_MINIBUF_P (f) | |
8613 | && EQ (FRAME_MINIBUF_WINDOW (f), echo_area_window)) | |
8614 | { | |
8615 | if (w == XWINDOW (echo_area_window)) | |
8616 | new_cursor_type = FRAME_DESIRED_CURSOR (f); | |
8617 | else | |
8618 | new_cursor_type = HOLLOW_BOX_CURSOR; | |
8619 | } | |
8620 | else | |
8621 | { | |
8622 | if (w != XWINDOW (selected_window) | |
8623 | || f != FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame) | |
8624 | { | |
a2bc11d4 JR |
8625 | extern int cursor_in_non_selected_windows; |
8626 | ||
8627 | if (MINI_WINDOW_P (w) || !cursor_in_non_selected_windows) | |
791f420f JR |
8628 | new_cursor_type = NO_CURSOR; |
8629 | else | |
8630 | new_cursor_type = HOLLOW_BOX_CURSOR; | |
8631 | } | |
8632 | else if (w->cursor_off_p) | |
8633 | new_cursor_type = NO_CURSOR; | |
8634 | else | |
8635 | new_cursor_type = FRAME_DESIRED_CURSOR (f); | |
8636 | } | |
8637 | ||
8638 | /* If cursor is currently being shown and we don't want it to be or | |
8639 | it is in the wrong place, or the cursor type is not what we want, | |
ee78dc32 | 8640 | erase it. */ |
791f420f | 8641 | if (w->phys_cursor_on_p |
ee78dc32 | 8642 | && (!on |
791f420f JR |
8643 | || w->phys_cursor.x != x |
8644 | || w->phys_cursor.y != y | |
8645 | || new_cursor_type != w->phys_cursor_type)) | |
8646 | x_erase_phys_cursor (w); | |
8647 | ||
8648 | /* If the cursor is now invisible and we want it to be visible, | |
8649 | display it. */ | |
8650 | if (on && !w->phys_cursor_on_p) | |
8651 | { | |
8652 | w->phys_cursor_ascent = glyph_row->ascent; | |
8653 | w->phys_cursor_height = glyph_row->height; | |
8654 | ||
8655 | /* Set phys_cursor_.* before x_draw_.* is called because some | |
8656 | of them may need the information. */ | |
8657 | w->phys_cursor.x = x; | |
8658 | w->phys_cursor.y = glyph_row->y; | |
8659 | w->phys_cursor.hpos = hpos; | |
8660 | w->phys_cursor.vpos = vpos; | |
8661 | w->phys_cursor_type = new_cursor_type; | |
8662 | w->phys_cursor_on_p = 1; | |
8663 | ||
8664 | switch (new_cursor_type) | |
ee78dc32 | 8665 | { |
791f420f JR |
8666 | case HOLLOW_BOX_CURSOR: |
8667 | x_draw_hollow_cursor (w, glyph_row); | |
8668 | break; | |
8669 | ||
8670 | case FILLED_BOX_CURSOR: | |
8671 | x_draw_phys_cursor_glyph (w, glyph_row, DRAW_CURSOR); | |
8672 | break; | |
8673 | ||
8674 | case BAR_CURSOR: | |
8675 | x_draw_bar_cursor (w, glyph_row); | |
8676 | break; | |
ee78dc32 | 8677 | |
791f420f JR |
8678 | case NO_CURSOR: |
8679 | break; | |
8680 | ||
8681 | default: | |
8682 | abort (); | |
8683 | } | |
ee78dc32 GV |
8684 | } |
8685 | } | |
8686 | ||
689004fa | 8687 | |
791f420f JR |
8688 | /* Display the cursor on window W, or clear it. X and Y are window |
8689 | relative pixel coordinates. HPOS and VPOS are glyph matrix | |
8690 | positions. If W is not the selected window, display a hollow | |
8691 | cursor. ON non-zero means display the cursor at X, Y which | |
8692 | correspond to HPOS, VPOS, otherwise it is cleared. */ | |
8693 | ||
8694 | void | |
8695 | x_display_cursor (w, on, hpos, vpos, x, y) | |
8696 | struct window *w; | |
8697 | int on, hpos, vpos, x, y; | |
ee78dc32 GV |
8698 | { |
8699 | BLOCK_INPUT; | |
791f420f JR |
8700 | x_display_and_set_cursor (w, on, hpos, vpos, x, y); |
8701 | UNBLOCK_INPUT; | |
8702 | } | |
8703 | ||
8704 | ||
8705 | /* Display the cursor on window W, or clear it, according to ON_P. | |
8706 | Don't change the cursor's position. */ | |
8707 | ||
8708 | void | |
8709 | x_update_cursor (f, on_p) | |
8710 | struct frame *f; | |
8711 | int on_p; | |
8712 | { | |
8713 | x_update_cursor_in_window_tree (XWINDOW (f->root_window), on_p); | |
8714 | } | |
8715 | ||
8716 | ||
8717 | /* Call x_update_window_cursor with parameter ON_P on all leaf windows | |
8718 | in the window tree rooted at W. */ | |
ee78dc32 | 8719 | |
791f420f JR |
8720 | static void |
8721 | x_update_cursor_in_window_tree (w, on_p) | |
8722 | struct window *w; | |
8723 | int on_p; | |
8724 | { | |
8725 | while (w) | |
689004fa | 8726 | { |
791f420f JR |
8727 | if (!NILP (w->hchild)) |
8728 | x_update_cursor_in_window_tree (XWINDOW (w->hchild), on_p); | |
8729 | else if (!NILP (w->vchild)) | |
8730 | x_update_cursor_in_window_tree (XWINDOW (w->vchild), on_p); | |
8731 | else | |
8732 | x_update_window_cursor (w, on_p); | |
8733 | ||
8734 | w = NILP (w->next) ? 0 : XWINDOW (w->next); | |
689004fa | 8735 | } |
791f420f | 8736 | } |
689004fa | 8737 | |
ee78dc32 | 8738 | |
791f420f JR |
8739 | /* Switch the display of W's cursor on or off, according to the value |
8740 | of ON. */ | |
8741 | ||
8742 | static void | |
8743 | x_update_window_cursor (w, on) | |
8744 | struct window *w; | |
8745 | int on; | |
8746 | { | |
8747 | BLOCK_INPUT; | |
8748 | x_display_and_set_cursor (w, on, w->phys_cursor.hpos, w->phys_cursor.vpos, | |
8749 | w->phys_cursor.x, w->phys_cursor.y); | |
ee78dc32 GV |
8750 | UNBLOCK_INPUT; |
8751 | } | |
791f420f JR |
8752 | |
8753 | ||
ee78dc32 | 8754 | \f |
7f5d1df8 GV |
8755 | /* Icons. */ |
8756 | ||
8757 | int | |
8758 | x_bitmap_icon (f, icon) | |
8759 | struct frame *f; | |
8760 | Lisp_Object icon; | |
8761 | { | |
8762 | int mask, bitmap_id; | |
8763 | Window icon_window; | |
8764 | HANDLE hicon; | |
8765 | ||
8766 | if (FRAME_W32_WINDOW (f) == 0) | |
8767 | return 1; | |
8768 | ||
8769 | if (NILP (icon)) | |
8770 | hicon = LoadIcon (hinst, EMACS_CLASS); | |
8771 | else if (STRINGP (icon)) | |
8772 | hicon = LoadImage (NULL, (LPCTSTR) XSTRING (icon)->data, IMAGE_ICON, 0, 0, | |
8773 | LR_DEFAULTSIZE | LR_LOADFROMFILE); | |
8774 | else if (SYMBOLP (icon)) | |
8775 | { | |
8776 | LPCTSTR name; | |
8777 | ||
8778 | if (EQ (icon, intern ("application"))) | |
8779 | name = (LPCTSTR) IDI_APPLICATION; | |
8780 | else if (EQ (icon, intern ("hand"))) | |
8781 | name = (LPCTSTR) IDI_HAND; | |
8782 | else if (EQ (icon, intern ("question"))) | |
8783 | name = (LPCTSTR) IDI_QUESTION; | |
8784 | else if (EQ (icon, intern ("exclamation"))) | |
8785 | name = (LPCTSTR) IDI_EXCLAMATION; | |
8786 | else if (EQ (icon, intern ("asterisk"))) | |
8787 | name = (LPCTSTR) IDI_ASTERISK; | |
8788 | else if (EQ (icon, intern ("winlogo"))) | |
8789 | name = (LPCTSTR) IDI_WINLOGO; | |
8790 | else | |
8791 | return 1; | |
8792 | ||
8793 | hicon = LoadIcon (NULL, name); | |
8794 | } | |
8795 | else | |
8796 | return 1; | |
8797 | ||
8798 | if (hicon == NULL) | |
8799 | return 1; | |
8800 | ||
791f420f JR |
8801 | PostMessage (FRAME_W32_WINDOW (f), WM_SETICON, (WPARAM) ICON_BIG, |
8802 | (LPARAM) hicon); | |
7f5d1df8 GV |
8803 | |
8804 | return 0; | |
8805 | } | |
8806 | ||
8807 | \f | |
ee78dc32 GV |
8808 | /* Changing the font of the frame. */ |
8809 | ||
8810 | /* Give frame F the font named FONTNAME as its default font, and | |
8811 | return the full name of that font. FONTNAME may be a wildcard | |
8812 | pattern; in that case, we choose some font that fits the pattern. | |
8813 | The return value shows which font we chose. */ | |
8814 | ||
8815 | Lisp_Object | |
8816 | x_new_font (f, fontname) | |
8817 | struct frame *f; | |
8818 | register char *fontname; | |
8819 | { | |
cabb23bc GV |
8820 | struct font_info *fontp |
8821 | = fs_load_font (f, FRAME_W32_FONT_TABLE (f), CHARSET_ASCII, | |
8822 | fontname, -1); | |
ee78dc32 | 8823 | |
cabb23bc | 8824 | if (!fontp) |
791f420f | 8825 | return Qnil; |
ee78dc32 | 8826 | |
cabb23bc | 8827 | FRAME_FONT (f) = (XFontStruct *) (fontp->font); |
791f420f | 8828 | FRAME_BASELINE_OFFSET (f) = fontp->baseline_offset; |
cabb23bc | 8829 | FRAME_FONTSET (f) = -1; |
ee78dc32 GV |
8830 | |
8831 | /* Compute the scroll bar width in character columns. */ | |
8832 | if (f->scroll_bar_pixel_width > 0) | |
8833 | { | |
fbd6baed | 8834 | int wid = FONT_WIDTH (f->output_data.w32->font); |
ee78dc32 GV |
8835 | f->scroll_bar_cols = (f->scroll_bar_pixel_width + wid-1) / wid; |
8836 | } | |
8837 | else | |
8838 | f->scroll_bar_cols = 2; | |
8839 | ||
8840 | /* Now make the frame display the given font. */ | |
fbd6baed | 8841 | if (FRAME_W32_WINDOW (f) != 0) |
ee78dc32 GV |
8842 | { |
8843 | frame_update_line_height (f); | |
8844 | x_set_window_size (f, 0, f->width, f->height); | |
8845 | } | |
8846 | else | |
8847 | /* If we are setting a new frame's font for the first time, | |
8848 | there are no faces yet, so this font's height is the line height. */ | |
fbd6baed | 8849 | f->output_data.w32->line_height = FONT_HEIGHT (f->output_data.w32->font); |
ee78dc32 | 8850 | |
791f420f | 8851 | return build_string (fontp->full_name); |
ee78dc32 GV |
8852 | } |
8853 | \f | |
cabb23bc GV |
8854 | /* Give frame F the fontset named FONTSETNAME as its default font, and |
8855 | return the full name of that fontset. FONTSETNAME may be a wildcard | |
8856 | pattern; in that case, we choose some fontset that fits the pattern. | |
8857 | The return value shows which fontset we chose. */ | |
8858 | ||
8859 | Lisp_Object | |
8860 | x_new_fontset (f, fontsetname) | |
8861 | struct frame *f; | |
8862 | char *fontsetname; | |
8863 | { | |
8864 | int fontset = fs_query_fontset (f, fontsetname); | |
8865 | struct fontset_info *fontsetp; | |
8866 | Lisp_Object result; | |
8867 | ||
8868 | if (fontset < 0) | |
8869 | return Qnil; | |
8870 | ||
8871 | if (FRAME_FONTSET (f) == fontset) | |
8872 | /* This fontset is already set in frame F. There's nothing more | |
8873 | to do. */ | |
8874 | return build_string (fontsetname); | |
8875 | ||
8876 | fontsetp = FRAME_FONTSET_DATA (f)->fontset_table[fontset]; | |
8877 | ||
8878 | if (!fontsetp->fontname[CHARSET_ASCII]) | |
8879 | /* This fontset doesn't contain ASCII font. */ | |
8880 | return Qnil; | |
8881 | ||
8882 | result = x_new_font (f, fontsetp->fontname[CHARSET_ASCII]); | |
8883 | ||
8884 | if (!STRINGP (result)) | |
8885 | /* Can't load ASCII font. */ | |
8886 | return Qnil; | |
8887 | ||
8888 | /* Since x_new_font doesn't update any fontset information, do it now. */ | |
8889 | FRAME_FONTSET(f) = fontset; | |
8890 | FS_LOAD_FONT (f, FRAME_W32_FONT_TABLE (f), | |
8891 | CHARSET_ASCII, XSTRING (result)->data, fontset); | |
8892 | ||
8893 | return build_string (fontsetname); | |
8894 | } | |
791f420f JR |
8895 | |
8896 | ||
8897 | #if GLYPH_DEBUG | |
8898 | ||
8899 | /* Check that FONT is valid on frame F. It is if it can be found in F's | |
8900 | font table. */ | |
8901 | ||
8902 | static void | |
8903 | x_check_font (f, font) | |
8904 | struct frame *f; | |
8905 | XFontStruct *font; | |
8906 | { | |
8907 | int i; | |
8908 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); | |
8909 | ||
8910 | xassert (font != NULL); | |
8911 | ||
8912 | for (i = 0; i < dpyinfo->n_fonts; i++) | |
8913 | if (dpyinfo->font_table[i].name | |
8914 | && font == dpyinfo->font_table[i].font) | |
8915 | break; | |
8916 | ||
8917 | xassert (i < dpyinfo->n_fonts); | |
8918 | } | |
8919 | ||
8920 | #endif /* GLYPH_DEBUG != 0 */ | |
8921 | ||
8922 | /* Set *W to the minimum width, *H to the minimum font height of FONT. | |
8923 | Note: There are (broken) X fonts out there with invalid XFontStruct | |
8924 | min_bounds contents. For example, handa@etl.go.jp reports that | |
8925 | "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1" fonts | |
8926 | have font->min_bounds.width == 0. */ | |
8927 | ||
8928 | static INLINE void | |
8929 | x_font_min_bounds (font, w, h) | |
8930 | XFontStruct *font; | |
8931 | int *w, *h; | |
8932 | { | |
8933 | *h = FONT_HEIGHT (font); | |
8934 | *w = FONT_WIDTH (font); | |
8935 | #if 0 /* NTEMACS_TODO: min/max bounds of Windows fonts */ | |
8936 | *w = font->min_bounds.width; | |
8937 | ||
8938 | /* Try to handle the case where FONT->min_bounds has invalid | |
8939 | contents. Since the only font known to have invalid min_bounds | |
8940 | is fixed-width, use max_bounds if min_bounds seems to be invalid. */ | |
8941 | if (*w <= 0) | |
8942 | *w = font->max_bounds.width; | |
8943 | #endif | |
8944 | } | |
8945 | ||
8946 | ||
8947 | /* Compute the smallest character width and smallest font height over | |
8948 | all fonts available on frame F. Set the members smallest_char_width | |
8949 | and smallest_font_height in F's x_display_info structure to | |
8950 | the values computed. Value is non-zero if smallest_font_height or | |
8951 | smallest_char_width become smaller than they were before. */ | |
8952 | ||
8953 | int | |
8954 | x_compute_min_glyph_bounds (f) | |
8955 | struct frame *f; | |
8956 | { | |
8957 | int i; | |
8958 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); | |
8959 | XFontStruct *font; | |
8960 | int old_width = dpyinfo->smallest_char_width; | |
8961 | int old_height = dpyinfo->smallest_font_height; | |
8962 | ||
8963 | dpyinfo->smallest_font_height = 100000; | |
8964 | dpyinfo->smallest_char_width = 100000; | |
8965 | ||
8966 | for (i = 0; i < dpyinfo->n_fonts; ++i) | |
8967 | if (dpyinfo->font_table[i].name) | |
8968 | { | |
8969 | struct font_info *fontp = dpyinfo->font_table + i; | |
8970 | int w, h; | |
8971 | ||
8972 | font = (XFontStruct *) fontp->font; | |
8973 | xassert (font != (XFontStruct *) ~0); | |
8974 | x_font_min_bounds (font, &w, &h); | |
8975 | ||
8976 | dpyinfo->smallest_font_height = min (dpyinfo->smallest_font_height, h); | |
8977 | dpyinfo->smallest_char_width = min (dpyinfo->smallest_char_width, w); | |
8978 | } | |
8979 | ||
8980 | xassert (dpyinfo->smallest_char_width > 0 | |
8981 | && dpyinfo->smallest_font_height > 0); | |
8982 | ||
8983 | return (dpyinfo->n_fonts == 1 | |
8984 | || dpyinfo->smallest_char_width < old_width | |
8985 | || dpyinfo->smallest_font_height < old_height); | |
8986 | } | |
8987 | ||
cabb23bc | 8988 | \f |
689004fa GV |
8989 | /* Calculate the absolute position in frame F |
8990 | from its current recorded position values and gravity. */ | |
8991 | ||
ee78dc32 GV |
8992 | x_calc_absolute_position (f) |
8993 | struct frame *f; | |
8994 | { | |
791f420f | 8995 | Window child; |
ee78dc32 | 8996 | POINT pt; |
fbd6baed | 8997 | int flags = f->output_data.w32->size_hint_flags; |
ee78dc32 GV |
8998 | |
8999 | pt.x = pt.y = 0; | |
9000 | ||
9001 | /* Find the position of the outside upper-left corner of | |
9002 | the inner window, with respect to the outer window. */ | |
fbd6baed | 9003 | if (f->output_data.w32->parent_desc != FRAME_W32_DISPLAY_INFO (f)->root_window) |
ee78dc32 GV |
9004 | { |
9005 | BLOCK_INPUT; | |
fbd6baed GV |
9006 | MapWindowPoints (FRAME_W32_WINDOW (f), |
9007 | f->output_data.w32->parent_desc, | |
ee78dc32 GV |
9008 | &pt, 1); |
9009 | UNBLOCK_INPUT; | |
9010 | } | |
9011 | ||
9012 | { | |
9013 | RECT rt; | |
9014 | rt.left = rt.right = rt.top = rt.bottom = 0; | |
9015 | ||
9016 | BLOCK_INPUT; | |
fbd6baed | 9017 | AdjustWindowRect(&rt, f->output_data.w32->dwStyle, |
97c23857 | 9018 | FRAME_EXTERNAL_MENU_BAR (f)); |
ee78dc32 GV |
9019 | UNBLOCK_INPUT; |
9020 | ||
9021 | pt.x += (rt.right - rt.left); | |
9022 | pt.y += (rt.bottom - rt.top); | |
9023 | } | |
9024 | ||
9025 | /* Treat negative positions as relative to the leftmost bottommost | |
9026 | position that fits on the screen. */ | |
9027 | if (flags & XNegative) | |
fbd6baed GV |
9028 | f->output_data.w32->left_pos = (FRAME_W32_DISPLAY_INFO (f)->width |
9029 | - 2 * f->output_data.w32->border_width - pt.x | |
ee78dc32 | 9030 | - PIXEL_WIDTH (f) |
fbd6baed | 9031 | + f->output_data.w32->left_pos); |
791f420f | 9032 | /* NTEMACS_TODO: Subtract menubar height? */ |
ee78dc32 | 9033 | if (flags & YNegative) |
fbd6baed GV |
9034 | f->output_data.w32->top_pos = (FRAME_W32_DISPLAY_INFO (f)->height |
9035 | - 2 * f->output_data.w32->border_width - pt.y | |
ee78dc32 | 9036 | - PIXEL_HEIGHT (f) |
fbd6baed | 9037 | + f->output_data.w32->top_pos); |
ee78dc32 GV |
9038 | /* The left_pos and top_pos |
9039 | are now relative to the top and left screen edges, | |
9040 | so the flags should correspond. */ | |
fbd6baed | 9041 | f->output_data.w32->size_hint_flags &= ~ (XNegative | YNegative); |
ee78dc32 GV |
9042 | } |
9043 | ||
9044 | /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position, | |
9045 | to really change the position, and 0 when calling from | |
9046 | x_make_frame_visible (in that case, XOFF and YOFF are the current | |
9047 | position values). It is -1 when calling from x_set_frame_parameters, | |
9048 | which means, do adjust for borders but don't change the gravity. */ | |
9049 | ||
9050 | x_set_offset (f, xoff, yoff, change_gravity) | |
9051 | struct frame *f; | |
9052 | register int xoff, yoff; | |
9053 | int change_gravity; | |
9054 | { | |
9055 | int modified_top, modified_left; | |
9056 | ||
9057 | if (change_gravity > 0) | |
9058 | { | |
fbd6baed GV |
9059 | f->output_data.w32->top_pos = yoff; |
9060 | f->output_data.w32->left_pos = xoff; | |
9061 | f->output_data.w32->size_hint_flags &= ~ (XNegative | YNegative); | |
ee78dc32 | 9062 | if (xoff < 0) |
fbd6baed | 9063 | f->output_data.w32->size_hint_flags |= XNegative; |
ee78dc32 | 9064 | if (yoff < 0) |
fbd6baed GV |
9065 | f->output_data.w32->size_hint_flags |= YNegative; |
9066 | f->output_data.w32->win_gravity = NorthWestGravity; | |
ee78dc32 GV |
9067 | } |
9068 | x_calc_absolute_position (f); | |
9069 | ||
9070 | BLOCK_INPUT; | |
9071 | x_wm_set_size_hint (f, (long) 0, 0); | |
9072 | ||
9073 | /* It is a mystery why we need to add the border_width here | |
9074 | when the frame is already visible, but experiment says we do. */ | |
fbd6baed GV |
9075 | modified_left = f->output_data.w32->left_pos; |
9076 | modified_top = f->output_data.w32->top_pos; | |
689004fa GV |
9077 | #ifndef HAVE_NTGUI |
9078 | /* Do not add in border widths under W32. */ | |
ee78dc32 GV |
9079 | if (change_gravity != 0) |
9080 | { | |
fbd6baed GV |
9081 | modified_left += f->output_data.w32->border_width; |
9082 | modified_top += f->output_data.w32->border_width; | |
ee78dc32 | 9083 | } |
689004fa | 9084 | #endif |
ee78dc32 | 9085 | |
fbd6baed | 9086 | my_set_window_pos (FRAME_W32_WINDOW (f), |
52cf03a1 GV |
9087 | NULL, |
9088 | modified_left, modified_top, | |
cabb23bc | 9089 | 0, 0, |
689004fa | 9090 | SWP_NOZORDER | SWP_NOSIZE | SWP_NOACTIVATE); |
ee78dc32 GV |
9091 | UNBLOCK_INPUT; |
9092 | } | |
9093 | ||
9094 | /* Call this to change the size of frame F's x-window. | |
9095 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity | |
9096 | for this size change and subsequent size changes. | |
9097 | Otherwise we leave the window gravity unchanged. */ | |
791f420f | 9098 | void |
ee78dc32 GV |
9099 | x_set_window_size (f, change_gravity, cols, rows) |
9100 | struct frame *f; | |
9101 | int change_gravity; | |
9102 | int cols, rows; | |
9103 | { | |
9104 | int pixelwidth, pixelheight; | |
9105 | ||
9106 | BLOCK_INPUT; | |
9107 | ||
9108 | check_frame_size (f, &rows, &cols); | |
fbd6baed | 9109 | f->output_data.w32->vertical_scroll_bar_extra |
ee78dc32 GV |
9110 | = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f) |
9111 | ? 0 | |
fbd6baed | 9112 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.w32->font))); |
791f420f JR |
9113 | f->output_data.w32->flags_areas_extra |
9114 | = FRAME_FLAGS_AREA_WIDTH (f); | |
ee78dc32 GV |
9115 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); |
9116 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
9117 | ||
fbd6baed | 9118 | f->output_data.w32->win_gravity = NorthWestGravity; |
ee78dc32 GV |
9119 | x_wm_set_size_hint (f, (long) 0, 0); |
9120 | ||
9121 | { | |
9122 | RECT rect; | |
9123 | ||
9124 | rect.left = rect.top = 0; | |
9125 | rect.right = pixelwidth; | |
9126 | rect.bottom = pixelheight; | |
9127 | ||
fbd6baed | 9128 | AdjustWindowRect(&rect, f->output_data.w32->dwStyle, |
97c23857 | 9129 | FRAME_EXTERNAL_MENU_BAR (f)); |
ee78dc32 | 9130 | |
fbd6baed | 9131 | my_set_window_pos (FRAME_W32_WINDOW (f), |
52cf03a1 GV |
9132 | NULL, |
9133 | 0, 0, | |
689004fa GV |
9134 | rect.right - rect.left, |
9135 | rect.bottom - rect.top, | |
9136 | SWP_NOZORDER | SWP_NOMOVE | SWP_NOACTIVATE); | |
ee78dc32 GV |
9137 | } |
9138 | ||
9139 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
9140 | but the window manager will get around to dealing with the size | |
9141 | change request eventually, and we'll hear how it went when the | |
9142 | ConfigureNotify event gets here. | |
9143 | ||
9144 | We could just not bother storing any of this information here, | |
9145 | and let the ConfigureNotify event set everything up, but that | |
9146 | might be kind of confusing to the lisp code, since size changes | |
9147 | wouldn't be reported in the frame parameters until some random | |
791f420f JR |
9148 | point in the future when the ConfigureNotify event arrives. |
9149 | ||
9150 | We pass 1 for DELAY since we can't run Lisp code inside of | |
9151 | a BLOCK_INPUT. */ | |
9152 | change_frame_size (f, rows, cols, 0, 1, 0); | |
ee78dc32 GV |
9153 | PIXEL_WIDTH (f) = pixelwidth; |
9154 | PIXEL_HEIGHT (f) = pixelheight; | |
9155 | ||
689004fa GV |
9156 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
9157 | receive in the ConfigureNotify event; if we get what we asked | |
9158 | for, then the event won't cause the screen to become garbaged, so | |
9159 | we have to make sure to do it here. */ | |
9160 | SET_FRAME_GARBAGED (f); | |
9161 | ||
ee78dc32 | 9162 | /* If cursor was outside the new size, mark it as off. */ |
791f420f | 9163 | mark_window_cursors_off (XWINDOW (f->root_window)); |
ee78dc32 | 9164 | |
689004fa GV |
9165 | /* Clear out any recollection of where the mouse highlighting was, |
9166 | since it might be in a place that's outside the new frame size. | |
9167 | Actually checking whether it is outside is a pain in the neck, | |
9168 | so don't try--just let the highlighting be done afresh with new size. */ | |
31d4844a KH |
9169 | cancel_mouse_face (f); |
9170 | ||
ee78dc32 GV |
9171 | UNBLOCK_INPUT; |
9172 | } | |
9173 | \f | |
9174 | /* Mouse warping. */ | |
9175 | ||
1bcd16f2 MB |
9176 | void |
9177 | x_set_mouse_pixel_position (f, pix_x, pix_y) | |
9178 | struct frame *f; | |
9179 | int pix_x, pix_y; | |
9180 | { | |
689004fa GV |
9181 | RECT rect; |
9182 | POINT pt; | |
9183 | ||
1bcd16f2 MB |
9184 | BLOCK_INPUT; |
9185 | ||
689004fa GV |
9186 | GetClientRect (FRAME_W32_WINDOW (f), &rect); |
9187 | pt.x = rect.left + pix_x; | |
9188 | pt.y = rect.top + pix_y; | |
9189 | ClientToScreen (FRAME_W32_WINDOW (f), &pt); | |
1bcd16f2 | 9190 | |
689004fa | 9191 | SetCursorPos (pt.x, pt.y); |
1bcd16f2 MB |
9192 | |
9193 | UNBLOCK_INPUT; | |
9194 | } | |
9195 | ||
ee78dc32 GV |
9196 | void |
9197 | x_set_mouse_position (f, x, y) | |
9198 | struct frame *f; | |
9199 | int x, y; | |
9200 | { | |
9201 | int pix_x, pix_y; | |
9202 | ||
fbd6baed GV |
9203 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->output_data.w32->font) / 2; |
9204 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + f->output_data.w32->line_height / 2; | |
ee78dc32 GV |
9205 | |
9206 | if (pix_x < 0) pix_x = 0; | |
9207 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
9208 | ||
9209 | if (pix_y < 0) pix_y = 0; | |
9210 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
9211 | ||
1bcd16f2 | 9212 | x_set_mouse_pixel_position (f, pix_x, pix_y); |
ee78dc32 GV |
9213 | } |
9214 | \f | |
9215 | /* focus shifting, raising and lowering. */ | |
9216 | ||
9217 | x_focus_on_frame (f) | |
9218 | struct frame *f; | |
9219 | { | |
689004fa GV |
9220 | struct w32_display_info *dpyinfo = &one_w32_display_info; |
9221 | ||
9222 | /* Give input focus to frame. */ | |
9223 | BLOCK_INPUT; | |
9224 | #if 0 | |
9225 | /* Try not to change its Z-order if possible. */ | |
9226 | if (x_window_to_frame (dpyinfo, GetForegroundWindow ())) | |
9227 | my_set_focus (f, FRAME_W32_WINDOW (f)); | |
9228 | else | |
9229 | #endif | |
ef0e360f | 9230 | my_set_foreground_window (FRAME_W32_WINDOW (f)); |
689004fa | 9231 | UNBLOCK_INPUT; |
ee78dc32 GV |
9232 | } |
9233 | ||
9234 | x_unfocus_frame (f) | |
9235 | struct frame *f; | |
9236 | { | |
9237 | } | |
9238 | ||
9239 | /* Raise frame F. */ | |
791f420f | 9240 | void |
ee78dc32 GV |
9241 | x_raise_frame (f) |
9242 | struct frame *f; | |
9243 | { | |
689004fa GV |
9244 | BLOCK_INPUT; |
9245 | ||
9246 | /* Strictly speaking, raise-frame should only change the frame's Z | |
9247 | order, leaving input focus unchanged. This is reasonable behaviour | |
9248 | on X where the usual policy is point-to-focus. However, this | |
9249 | behaviour would be very odd on Windows where the usual policy is | |
9250 | click-to-focus. | |
9251 | ||
9252 | On X, if the mouse happens to be over the raised frame, it gets | |
9253 | input focus anyway (so the window with focus will never be | |
9254 | completely obscured) - if not, then just moving the mouse over it | |
9255 | is sufficient to give it focus. On Windows, the user must actually | |
9256 | click on the frame (preferrably the title bar so as not to move | |
9257 | point), which is more awkward. Also, no other Windows program | |
9258 | raises a window to the top but leaves another window (possibly now | |
9259 | completely obscured) with input focus. | |
9260 | ||
9261 | Because there is a system setting on Windows that allows the user | |
9262 | to choose the point to focus policy, we make the strict semantics | |
9263 | optional, but by default we grab focus when raising. */ | |
9264 | ||
9265 | if (NILP (Vw32_grab_focus_on_raise)) | |
ee78dc32 | 9266 | { |
689004fa GV |
9267 | /* The obvious call to my_set_window_pos doesn't work if Emacs is |
9268 | not already the foreground application: the frame is raised | |
9269 | above all other frames belonging to us, but not above the | |
9270 | current top window. To achieve that, we have to resort to this | |
9271 | more cumbersome method. */ | |
9272 | ||
9273 | HDWP handle = BeginDeferWindowPos (2); | |
9274 | if (handle) | |
9275 | { | |
9276 | DeferWindowPos (handle, | |
9277 | FRAME_W32_WINDOW (f), | |
9278 | HWND_TOP, | |
9279 | 0, 0, 0, 0, | |
9280 | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE); | |
9281 | ||
9282 | DeferWindowPos (handle, | |
9283 | GetForegroundWindow (), | |
9284 | FRAME_W32_WINDOW (f), | |
9285 | 0, 0, 0, 0, | |
9286 | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE); | |
9287 | ||
9288 | EndDeferWindowPos (handle); | |
9289 | } | |
ee78dc32 | 9290 | } |
689004fa GV |
9291 | else |
9292 | { | |
ef0e360f | 9293 | my_set_foreground_window (FRAME_W32_WINDOW (f)); |
689004fa GV |
9294 | } |
9295 | ||
9296 | UNBLOCK_INPUT; | |
ee78dc32 GV |
9297 | } |
9298 | ||
9299 | /* Lower frame F. */ | |
791f420f | 9300 | void |
ee78dc32 GV |
9301 | x_lower_frame (f) |
9302 | struct frame *f; | |
9303 | { | |
689004fa GV |
9304 | BLOCK_INPUT; |
9305 | my_set_window_pos (FRAME_W32_WINDOW (f), | |
9306 | HWND_BOTTOM, | |
9307 | 0, 0, 0, 0, | |
9308 | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE); | |
9309 | UNBLOCK_INPUT; | |
ee78dc32 GV |
9310 | } |
9311 | ||
9312 | static void | |
fbd6baed | 9313 | w32_frame_raise_lower (f, raise) |
ee78dc32 GV |
9314 | FRAME_PTR f; |
9315 | int raise; | |
9316 | { | |
9317 | if (raise) | |
9318 | x_raise_frame (f); | |
9319 | else | |
9320 | x_lower_frame (f); | |
9321 | } | |
9322 | \f | |
9323 | /* Change of visibility. */ | |
9324 | ||
9325 | /* This tries to wait until the frame is really visible. | |
9326 | However, if the window manager asks the user where to position | |
9327 | the frame, this will return before the user finishes doing that. | |
9328 | The frame will not actually be visible at that time, | |
9329 | but it will become visible later when the window manager | |
9330 | finishes with it. */ | |
9331 | ||
9332 | x_make_frame_visible (f) | |
9333 | struct frame *f; | |
9334 | { | |
7f5d1df8 GV |
9335 | Lisp_Object type; |
9336 | ||
ee78dc32 GV |
9337 | BLOCK_INPUT; |
9338 | ||
7f5d1df8 GV |
9339 | type = x_icon_type (f); |
9340 | if (!NILP (type)) | |
9341 | x_bitmap_icon (f, type); | |
9342 | ||
ee78dc32 GV |
9343 | if (! FRAME_VISIBLE_P (f)) |
9344 | { | |
9345 | /* We test FRAME_GARBAGED_P here to make sure we don't | |
9346 | call x_set_offset a second time | |
9347 | if we get to x_make_frame_visible a second time | |
9348 | before the window gets really visible. */ | |
9349 | if (! FRAME_ICONIFIED_P (f) | |
fbd6baed | 9350 | && ! f->output_data.w32->asked_for_visible) |
fbd6baed | 9351 | x_set_offset (f, f->output_data.w32->left_pos, f->output_data.w32->top_pos, 0); |
ee78dc32 | 9352 | |
fbd6baed | 9353 | f->output_data.w32->asked_for_visible = 1; |
52cf03a1 | 9354 | |
689004fa GV |
9355 | // my_show_window (f, FRAME_W32_WINDOW (f), f->async_iconified ? SW_RESTORE : SW_SHOW); |
9356 | my_show_window (f, FRAME_W32_WINDOW (f), SW_SHOWNORMAL); | |
ee78dc32 GV |
9357 | } |
9358 | ||
9359 | /* Synchronize to ensure Emacs knows the frame is visible | |
9360 | before we do anything else. We do this loop with input not blocked | |
9361 | so that incoming events are handled. */ | |
9362 | { | |
9363 | Lisp_Object frame; | |
791f420f | 9364 | int count; |
ee78dc32 GV |
9365 | |
9366 | /* This must come after we set COUNT. */ | |
9367 | UNBLOCK_INPUT; | |
9368 | ||
9369 | XSETFRAME (frame, f); | |
9370 | ||
791f420f JR |
9371 | /* Wait until the frame is visible. Process X events until a |
9372 | MapNotify event has been seen, or until we think we won't get a | |
9373 | MapNotify at all.. */ | |
9374 | for (count = input_signal_count + 10; | |
9375 | input_signal_count < count && !FRAME_VISIBLE_P (f);) | |
ee78dc32 | 9376 | { |
791f420f JR |
9377 | /* Force processing of queued events. */ |
9378 | /* NTEMACS_TODO: x_sync equivalent? */ | |
9379 | ||
ee78dc32 GV |
9380 | /* Machines that do polling rather than SIGIO have been observed |
9381 | to go into a busy-wait here. So we'll fake an alarm signal | |
9382 | to let the handler know that there's something to be read. | |
9383 | We used to raise a real alarm, but it seems that the handler | |
9384 | isn't always enabled here. This is probably a bug. */ | |
9385 | if (input_polling_used ()) | |
9386 | { | |
9387 | /* It could be confusing if a real alarm arrives while processing | |
9388 | the fake one. Turn it off and let the handler reset it. */ | |
a9b4e0ec AI |
9389 | int old_poll_suppress_count = poll_suppress_count; |
9390 | poll_suppress_count = 1; | |
9391 | poll_for_input_1 (); | |
9392 | poll_suppress_count = old_poll_suppress_count; | |
ee78dc32 | 9393 | } |
ee78dc32 GV |
9394 | } |
9395 | FRAME_SAMPLE_VISIBILITY (f); | |
9396 | } | |
9397 | } | |
9398 | ||
9399 | /* Change from mapped state to withdrawn state. */ | |
9400 | ||
9401 | /* Make the frame visible (mapped and not iconified). */ | |
9402 | ||
9403 | x_make_frame_invisible (f) | |
9404 | struct frame *f; | |
9405 | { | |
ee78dc32 | 9406 | /* Don't keep the highlight on an invisible frame. */ |
fbd6baed GV |
9407 | if (FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame == f) |
9408 | FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame = 0; | |
ee78dc32 GV |
9409 | |
9410 | BLOCK_INPUT; | |
9411 | ||
689004fa | 9412 | my_show_window (f, FRAME_W32_WINDOW (f), SW_HIDE); |
ee78dc32 GV |
9413 | |
9414 | /* We can't distinguish this from iconification | |
9415 | just by the event that we get from the server. | |
9416 | So we can't win using the usual strategy of letting | |
9417 | FRAME_SAMPLE_VISIBILITY set this. So do it by hand, | |
9418 | and synchronize with the server to make sure we agree. */ | |
9419 | f->visible = 0; | |
9420 | FRAME_ICONIFIED_P (f) = 0; | |
9421 | f->async_visible = 0; | |
9422 | f->async_iconified = 0; | |
9423 | ||
9424 | UNBLOCK_INPUT; | |
9425 | } | |
9426 | ||
9427 | /* Change window state from mapped to iconified. */ | |
9428 | ||
52cf03a1 GV |
9429 | void |
9430 | x_iconify_frame (f) | |
ee78dc32 GV |
9431 | struct frame *f; |
9432 | { | |
9433 | int result; | |
7f5d1df8 | 9434 | Lisp_Object type; |
ee78dc32 GV |
9435 | |
9436 | /* Don't keep the highlight on an invisible frame. */ | |
fbd6baed GV |
9437 | if (FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame == f) |
9438 | FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame = 0; | |
ee78dc32 GV |
9439 | |
9440 | if (f->async_iconified) | |
9441 | return; | |
9442 | ||
9443 | BLOCK_INPUT; | |
9444 | ||
7f5d1df8 GV |
9445 | type = x_icon_type (f); |
9446 | if (!NILP (type)) | |
9447 | x_bitmap_icon (f, type); | |
9448 | ||
689004fa | 9449 | /* Simulate the user minimizing the frame. */ |
4934bcdd | 9450 | SendMessage (FRAME_W32_WINDOW (f), WM_SYSCOMMAND, SC_MINIMIZE, 0); |
ee78dc32 GV |
9451 | |
9452 | UNBLOCK_INPUT; | |
9453 | } | |
9454 | \f | |
9455 | /* Destroy the window of frame F. */ | |
9456 | ||
9457 | x_destroy_window (f) | |
9458 | struct frame *f; | |
9459 | { | |
fbd6baed | 9460 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); |
ee78dc32 GV |
9461 | |
9462 | BLOCK_INPUT; | |
9463 | ||
fbd6baed | 9464 | my_destroy_window (f, FRAME_W32_WINDOW (f)); |
ee78dc32 GV |
9465 | free_frame_menubar (f); |
9466 | free_frame_faces (f); | |
9467 | ||
fbd6baed GV |
9468 | xfree (f->output_data.w32); |
9469 | f->output_data.w32 = 0; | |
9470 | if (f == dpyinfo->w32_focus_frame) | |
9471 | dpyinfo->w32_focus_frame = 0; | |
9472 | if (f == dpyinfo->w32_focus_event_frame) | |
9473 | dpyinfo->w32_focus_event_frame = 0; | |
9474 | if (f == dpyinfo->w32_highlight_frame) | |
9475 | dpyinfo->w32_highlight_frame = 0; | |
ee78dc32 GV |
9476 | |
9477 | dpyinfo->reference_count--; | |
9478 | ||
9479 | if (f == dpyinfo->mouse_face_mouse_frame) | |
9480 | { | |
9481 | dpyinfo->mouse_face_beg_row | |
9482 | = dpyinfo->mouse_face_beg_col = -1; | |
9483 | dpyinfo->mouse_face_end_row | |
9484 | = dpyinfo->mouse_face_end_col = -1; | |
9485 | dpyinfo->mouse_face_window = Qnil; | |
9486 | } | |
9487 | ||
9488 | UNBLOCK_INPUT; | |
9489 | } | |
9490 | \f | |
9491 | /* Setting window manager hints. */ | |
9492 | ||
9493 | /* Set the normal size hints for the window manager, for frame F. | |
9494 | FLAGS is the flags word to use--or 0 meaning preserve the flags | |
9495 | that the window now has. | |
9496 | If USER_POSITION is nonzero, we set the USPosition | |
9497 | flag (this is useful when FLAGS is 0). */ | |
791f420f | 9498 | void |
ee78dc32 GV |
9499 | x_wm_set_size_hint (f, flags, user_position) |
9500 | struct frame *f; | |
9501 | long flags; | |
9502 | int user_position; | |
9503 | { | |
fbd6baed | 9504 | Window window = FRAME_W32_WINDOW (f); |
ee78dc32 | 9505 | |
97c23857 | 9506 | enter_crit (); |
ee78dc32 | 9507 | |
689004fa GV |
9508 | SetWindowLong (window, WND_FONTWIDTH_INDEX, FONT_WIDTH (f->output_data.w32->font)); |
9509 | SetWindowLong (window, WND_LINEHEIGHT_INDEX, f->output_data.w32->line_height); | |
9510 | SetWindowLong (window, WND_BORDER_INDEX, f->output_data.w32->internal_border_width); | |
9511 | SetWindowLong (window, WND_SCROLLBAR_INDEX, f->output_data.w32->vertical_scroll_bar_extra); | |
ee78dc32 | 9512 | |
97c23857 | 9513 | leave_crit (); |
ee78dc32 GV |
9514 | } |
9515 | ||
9516 | /* Window manager things */ | |
9517 | x_wm_set_icon_position (f, icon_x, icon_y) | |
9518 | struct frame *f; | |
9519 | int icon_x, icon_y; | |
9520 | { | |
9521 | #if 0 | |
fbd6baed | 9522 | Window window = FRAME_W32_WINDOW (f); |
ee78dc32 GV |
9523 | |
9524 | f->display.x->wm_hints.flags |= IconPositionHint; | |
9525 | f->display.x->wm_hints.icon_x = icon_x; | |
9526 | f->display.x->wm_hints.icon_y = icon_y; | |
9527 | ||
9528 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->display.x->wm_hints); | |
9529 | #endif | |
9530 | } | |
9531 | ||
9532 | \f | |
791f420f JR |
9533 | /*********************************************************************** |
9534 | Initialization | |
9535 | ***********************************************************************/ | |
ee78dc32 | 9536 | |
fbd6baed | 9537 | static int w32_initialized = 0; |
ee78dc32 | 9538 | |
f7737f5d JR |
9539 | void |
9540 | w32_initialize_display_info (display_name) | |
9541 | Lisp_Object display_name; | |
9542 | { | |
9543 | struct w32_display_info *dpyinfo = &one_w32_display_info; | |
9544 | ||
9545 | bzero (dpyinfo, sizeof (*dpyinfo)); | |
9546 | ||
9547 | /* Put it on w32_display_name_list. */ | |
9548 | w32_display_name_list = Fcons (Fcons (display_name, Qnil), | |
9549 | w32_display_name_list); | |
9550 | dpyinfo->name_list_element = XCAR (w32_display_name_list); | |
9551 | ||
9552 | dpyinfo->w32_id_name | |
9553 | = (char *) xmalloc (XSTRING (Vinvocation_name)->size | |
9554 | + XSTRING (Vsystem_name)->size | |
9555 | + 2); | |
9556 | sprintf (dpyinfo->w32_id_name, "%s@%s", | |
9557 | XSTRING (Vinvocation_name)->data, XSTRING (Vsystem_name)->data); | |
9558 | ||
9559 | /* Default Console mode values - overridden when running in GUI mode | |
9560 | with values obtained from system metrics. */ | |
9561 | dpyinfo->resx = 1; | |
9562 | dpyinfo->resy = 1; | |
9563 | dpyinfo->height_in = 1; | |
9564 | dpyinfo->width_in = 1; | |
9565 | dpyinfo->n_planes = 1; | |
9566 | dpyinfo->n_cbits = 4; | |
9567 | dpyinfo->n_fonts = 0; | |
9568 | dpyinfo->smallest_font_height = 1; | |
9569 | dpyinfo->smallest_char_width = 1; | |
9570 | ||
9571 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
9572 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
9573 | dpyinfo->mouse_face_face_id = DEFAULT_FACE_ID; | |
9574 | dpyinfo->mouse_face_window = Qnil; | |
9575 | ||
9576 | /* NTEMACS_TODO: dpyinfo->gray */ | |
9577 | ||
9578 | } | |
9579 | ||
fbd6baed GV |
9580 | struct w32_display_info * |
9581 | w32_term_init (display_name, xrm_option, resource_name) | |
ee78dc32 GV |
9582 | Lisp_Object display_name; |
9583 | char *xrm_option; | |
9584 | char *resource_name; | |
9585 | { | |
fbd6baed | 9586 | struct w32_display_info *dpyinfo; |
ee78dc32 | 9587 | HDC hdc; |
97c23857 | 9588 | |
ee78dc32 GV |
9589 | BLOCK_INPUT; |
9590 | ||
fbd6baed | 9591 | if (!w32_initialized) |
ee78dc32 | 9592 | { |
fbd6baed GV |
9593 | w32_initialize (); |
9594 | w32_initialized = 1; | |
ee78dc32 GV |
9595 | } |
9596 | ||
9597 | { | |
9598 | int argc = 0; | |
9599 | char *argv[3]; | |
9600 | ||
9601 | argv[0] = ""; | |
9602 | argc = 1; | |
9603 | if (xrm_option) | |
9604 | { | |
9605 | argv[argc++] = "-xrm"; | |
9606 | argv[argc++] = xrm_option; | |
9607 | } | |
9608 | } | |
9609 | ||
f7737f5d | 9610 | w32_initialize_display_info (display_name); |
ee78dc32 | 9611 | |
f7737f5d | 9612 | dpyinfo = &one_w32_display_info; |
ee78dc32 | 9613 | |
52cf03a1 | 9614 | hdc = GetDC (GetDesktopWindow ()); |
791f420f | 9615 | |
ee78dc32 GV |
9616 | dpyinfo->height = GetDeviceCaps (hdc, VERTRES); |
9617 | dpyinfo->width = GetDeviceCaps (hdc, HORZRES); | |
9618 | dpyinfo->root_window = GetDesktopWindow (); | |
9619 | dpyinfo->n_planes = GetDeviceCaps (hdc, PLANES); | |
9620 | dpyinfo->n_cbits = GetDeviceCaps (hdc, BITSPIXEL); | |
55689ab1 JR |
9621 | dpyinfo->resx = GetDeviceCaps (hdc, LOGPIXELSX); |
9622 | dpyinfo->resy = GetDeviceCaps (hdc, LOGPIXELSY); | |
52cf03a1 | 9623 | dpyinfo->has_palette = GetDeviceCaps (hdc, RASTERCAPS) & RC_PALETTE; |
791f420f | 9624 | dpyinfo->image_cache = make_image_cache (); |
55689ab1 JR |
9625 | dpyinfo->height_in = dpyinfo->height / dpyinfo->resx; |
9626 | dpyinfo->width_in = dpyinfo->width / dpyinfo->resy; | |
ee78dc32 | 9627 | ReleaseDC (GetDesktopWindow (), hdc); |
52cf03a1 GV |
9628 | |
9629 | /* initialise palette with white and black */ | |
9630 | { | |
9631 | COLORREF color; | |
55689ab1 JR |
9632 | w32_defined_color (0, "white", &color, 1); |
9633 | w32_defined_color (0, "black", &color, 1); | |
52cf03a1 GV |
9634 | } |
9635 | ||
f7737f5d JR |
9636 | /* Create Row Bitmaps and store them for later use. */ |
9637 | left_bmp = CreateBitmap (left_width, left_height, 1, 1, left_bits); | |
9638 | ov_bmp = CreateBitmap (ov_width, ov_height, 1, 1, ov_bits); | |
9639 | right_bmp = CreateBitmap (right_width, right_height, 1, 1, right_bits); | |
9640 | continued_bmp = CreateBitmap (continued_width, continued_height, 1, | |
9641 | 1, continued_bits); | |
9642 | continuation_bmp = CreateBitmap (continuation_width, continuation_height, | |
9643 | 1, 1, continuation_bits); | |
9644 | zv_bmp = CreateBitmap (zv_width, zv_height, 1, 1, zv_bits); | |
9645 | ||
ee78dc32 GV |
9646 | #ifndef F_SETOWN_BUG |
9647 | #ifdef F_SETOWN | |
9648 | #ifdef F_SETOWN_SOCK_NEG | |
9649 | /* stdin is a socket here */ | |
9650 | fcntl (connection, F_SETOWN, -getpid ()); | |
9651 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ | |
9652 | fcntl (connection, F_SETOWN, getpid ()); | |
9653 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ | |
9654 | #endif /* ! defined (F_SETOWN) */ | |
9655 | #endif /* F_SETOWN_BUG */ | |
9656 | ||
9657 | #ifdef SIGIO | |
9658 | if (interrupt_input) | |
9659 | init_sigio (connection); | |
9660 | #endif /* ! defined (SIGIO) */ | |
9661 | ||
9662 | UNBLOCK_INPUT; | |
9663 | ||
9664 | return dpyinfo; | |
9665 | } | |
9666 | \f | |
9667 | /* Get rid of display DPYINFO, assuming all frames are already gone. */ | |
9668 | ||
9669 | void | |
9670 | x_delete_display (dpyinfo) | |
fbd6baed | 9671 | struct w32_display_info *dpyinfo; |
ee78dc32 | 9672 | { |
fbd6baed | 9673 | /* Discard this display from w32_display_name_list and w32_display_list. |
ee78dc32 | 9674 | We can't use Fdelq because that can quit. */ |
fbd6baed | 9675 | if (! NILP (w32_display_name_list) |
8e713be6 KR |
9676 | && EQ (XCAR (w32_display_name_list), dpyinfo->name_list_element)) |
9677 | w32_display_name_list = XCDR (w32_display_name_list); | |
ee78dc32 GV |
9678 | else |
9679 | { | |
9680 | Lisp_Object tail; | |
9681 | ||
fbd6baed | 9682 | tail = w32_display_name_list; |
8e713be6 | 9683 | while (CONSP (tail) && CONSP (XCDR (tail))) |
ee78dc32 | 9684 | { |
f7737f5d | 9685 | if (EQ (XCAR (XCDR (tail)), dpyinfo->name_list_element)) |
ee78dc32 | 9686 | { |
8e713be6 | 9687 | XCDR (tail) = XCDR (XCDR (tail)); |
ee78dc32 GV |
9688 | break; |
9689 | } | |
8e713be6 | 9690 | tail = XCDR (tail); |
ee78dc32 GV |
9691 | } |
9692 | } | |
9693 | ||
52cf03a1 GV |
9694 | /* free palette table */ |
9695 | { | |
fbd6baed | 9696 | struct w32_palette_entry * plist; |
52cf03a1 GV |
9697 | |
9698 | plist = dpyinfo->color_list; | |
9699 | while (plist) | |
9700 | { | |
fbd6baed | 9701 | struct w32_palette_entry * pentry = plist; |
52cf03a1 GV |
9702 | plist = plist->next; |
9703 | xfree(pentry); | |
9704 | } | |
9705 | dpyinfo->color_list = NULL; | |
9706 | if (dpyinfo->palette) | |
9707 | DeleteObject(dpyinfo->palette); | |
9708 | } | |
ee78dc32 | 9709 | xfree (dpyinfo->font_table); |
fbd6baed | 9710 | xfree (dpyinfo->w32_id_name); |
f7737f5d JR |
9711 | |
9712 | /* Destroy row bitmaps. */ | |
9713 | DeleteObject (left_bmp); | |
9714 | DeleteObject (ov_bmp); | |
9715 | DeleteObject (right_bmp); | |
9716 | DeleteObject (continued_bmp); | |
9717 | DeleteObject (continuation_bmp); | |
9718 | DeleteObject (zv_bmp); | |
ee78dc32 GV |
9719 | } |
9720 | \f | |
fbd6baed | 9721 | /* Set up use of W32. */ |
ee78dc32 | 9722 | |
689004fa | 9723 | DWORD w32_msg_worker (); |
ee78dc32 | 9724 | |
791f420f JR |
9725 | void |
9726 | x_flush (struct frame * f) | |
9727 | { /* Nothing to do */ } | |
9728 | ||
9729 | static struct redisplay_interface w32_redisplay_interface = | |
9730 | { | |
9731 | x_produce_glyphs, | |
9732 | x_write_glyphs, | |
9733 | x_insert_glyphs, | |
9734 | x_clear_end_of_line, | |
9735 | x_scroll_run, | |
9736 | x_after_update_window_line, | |
9737 | x_update_window_begin, | |
9738 | x_update_window_end, | |
9739 | w32_cursor_to, | |
9740 | x_flush, | |
9741 | x_get_glyph_overhangs, | |
9742 | x_fix_overlapping_area | |
9743 | }; | |
9744 | ||
9745 | void | |
fbd6baed GV |
9746 | w32_initialize () |
9747 | { | |
791f420f JR |
9748 | rif = &w32_redisplay_interface; |
9749 | ||
96214669 GV |
9750 | /* MSVC does not type K&R functions with no arguments correctly, and |
9751 | so we must explicitly cast them. */ | |
791f420f JR |
9752 | clear_frame_hook = (void (*)(void)) x_clear_frame; |
9753 | ins_del_lines_hook = x_ins_del_lines; | |
9754 | change_line_highlight_hook = x_change_line_highlight; | |
9755 | delete_glyphs_hook = x_delete_glyphs; | |
96214669 GV |
9756 | ring_bell_hook = (void (*)(void)) w32_ring_bell; |
9757 | reset_terminal_modes_hook = (void (*)(void)) w32_reset_terminal_modes; | |
9758 | set_terminal_modes_hook = (void (*)(void)) w32_set_terminal_modes; | |
791f420f JR |
9759 | update_begin_hook = x_update_begin; |
9760 | update_end_hook = x_update_end; | |
fbd6baed | 9761 | set_terminal_window_hook = w32_set_terminal_window; |
ee78dc32 | 9762 | read_socket_hook = w32_read_socket; |
fbd6baed | 9763 | frame_up_to_date_hook = w32_frame_up_to_date; |
fbd6baed GV |
9764 | reassert_line_highlight_hook = w32_reassert_line_highlight; |
9765 | mouse_position_hook = w32_mouse_position; | |
9766 | frame_rehighlight_hook = w32_frame_rehighlight; | |
9767 | frame_raise_lower_hook = w32_frame_raise_lower; | |
9768 | set_vertical_scroll_bar_hook = w32_set_vertical_scroll_bar; | |
9769 | condemn_scroll_bars_hook = w32_condemn_scroll_bars; | |
9770 | redeem_scroll_bar_hook = w32_redeem_scroll_bar; | |
9771 | judge_scroll_bars_hook = w32_judge_scroll_bars; | |
791f420f | 9772 | estimate_mode_line_height_hook = x_estimate_mode_line_height; |
ee78dc32 GV |
9773 | |
9774 | scroll_region_ok = 1; /* we'll scroll partial frames */ | |
9775 | char_ins_del_ok = 0; /* just as fast to write the line */ | |
9776 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
9777 | fast_clear_end_of_line = 1; /* X does this well */ | |
9778 | memory_below_frame = 0; /* we don't remember what scrolls | |
9779 | off the bottom */ | |
9780 | baud_rate = 19200; | |
9781 | ||
791f420f JR |
9782 | last_tool_bar_item = -1; |
9783 | any_help_event_p = 0; | |
9784 | ||
689004fa GV |
9785 | /* Initialize input mode: interrupt_input off, no flow control, allow |
9786 | 8 bit character input, standard quit char. */ | |
9787 | Fset_input_mode (Qnil, Qnil, make_number (2), Qnil); | |
ee78dc32 GV |
9788 | |
9789 | /* Create the window thread - it will terminate itself or when the app terminates */ | |
9790 | ||
9791 | init_crit (); | |
9792 | ||
9793 | dwMainThreadId = GetCurrentThreadId (); | |
9794 | DuplicateHandle (GetCurrentProcess (), GetCurrentThread (), | |
9795 | GetCurrentProcess (), &hMainThread, 0, TRUE, DUPLICATE_SAME_ACCESS); | |
9796 | ||
9797 | /* Wait for thread to start */ | |
9798 | ||
9799 | { | |
9800 | MSG msg; | |
9801 | ||
9802 | PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE); | |
9803 | ||
e9e23e23 | 9804 | hWindowsThread = CreateThread (NULL, 0, |
689004fa | 9805 | (LPTHREAD_START_ROUTINE) w32_msg_worker, |
e9e23e23 | 9806 | 0, 0, &dwWindowsThreadId); |
ee78dc32 GV |
9807 | |
9808 | GetMessage (&msg, NULL, WM_EMACS_DONE, WM_EMACS_DONE); | |
9809 | } | |
9810 | ||
52cf03a1 | 9811 | /* It is desirable that mainThread should have the same notion of |
e9e23e23 | 9812 | focus window and active window as windowsThread. Unfortunately, the |
52cf03a1 GV |
9813 | following call to AttachThreadInput, which should do precisely what |
9814 | we need, causes major problems when Emacs is linked as a console | |
9815 | program. Unfortunately, we have good reasons for doing that, so | |
e9e23e23 | 9816 | instead we need to send messages to windowsThread to make some API |
52cf03a1 GV |
9817 | calls for us (ones that affect, or depend on, the active/focus |
9818 | window state. */ | |
9819 | #ifdef ATTACH_THREADS | |
e9e23e23 | 9820 | AttachThreadInput (dwMainThreadId, dwWindowsThreadId, TRUE); |
52cf03a1 | 9821 | #endif |
689004fa GV |
9822 | |
9823 | /* Dynamically link to optional system components. */ | |
9824 | { | |
9825 | HANDLE user_lib = LoadLibrary ("user32.dll"); | |
9826 | ||
9827 | #define LOAD_PROC(fn) pfn##fn = (void *) GetProcAddress (user_lib, #fn) | |
9828 | ||
9829 | /* New proportional scroll bar functions. */ | |
9830 | LOAD_PROC( SetScrollInfo ); | |
9831 | LOAD_PROC( GetScrollInfo ); | |
9832 | ||
9833 | #undef LOAD_PROC | |
9834 | ||
9835 | FreeLibrary (user_lib); | |
9836 | ||
9837 | /* If using proportional scroll bars, ensure handle is at least 5 pixels; | |
9838 | otherwise use the fixed height. */ | |
9839 | vertical_scroll_bar_min_handle = (pfnSetScrollInfo != NULL) ? 5 : | |
9840 | GetSystemMetrics (SM_CYVTHUMB); | |
9841 | ||
9842 | /* For either kind of scroll bar, take account of the arrows; these | |
9843 | effectively form the border of the main scroll bar range. */ | |
9844 | vertical_scroll_bar_top_border = vertical_scroll_bar_bottom_border | |
9845 | = GetSystemMetrics (SM_CYVSCROLL); | |
9846 | } | |
ee78dc32 GV |
9847 | } |
9848 | ||
9849 | void | |
fbd6baed | 9850 | syms_of_w32term () |
ee78dc32 | 9851 | { |
a1b9438c GV |
9852 | Lisp_Object codepage; |
9853 | ||
fbd6baed GV |
9854 | staticpro (&w32_display_name_list); |
9855 | w32_display_name_list = Qnil; | |
ee78dc32 GV |
9856 | |
9857 | staticpro (&last_mouse_scroll_bar); | |
9858 | last_mouse_scroll_bar = Qnil; | |
9859 | ||
9860 | staticpro (&Qvendor_specific_keysyms); | |
9861 | Qvendor_specific_keysyms = intern ("vendor-specific-keysyms"); | |
52cf03a1 | 9862 | |
fbd6baed GV |
9863 | DEFVAR_INT ("w32-num-mouse-buttons", |
9864 | &Vw32_num_mouse_buttons, | |
52cf03a1 | 9865 | "Number of physical mouse buttons."); |
fbd6baed | 9866 | Vw32_num_mouse_buttons = Qnil; |
52cf03a1 | 9867 | |
fbd6baed GV |
9868 | DEFVAR_LISP ("w32-swap-mouse-buttons", |
9869 | &Vw32_swap_mouse_buttons, | |
52cf03a1 GV |
9870 | "Swap the mapping of middle and right mouse buttons.\n\ |
9871 | When nil, middle button is mouse-2 and right button is mouse-3."); | |
fbd6baed | 9872 | Vw32_swap_mouse_buttons = Qnil; |
689004fa GV |
9873 | |
9874 | DEFVAR_LISP ("w32-grab-focus-on-raise", | |
9875 | &Vw32_grab_focus_on_raise, | |
9876 | "Raised frame grabs input focus.\n\ | |
9877 | When t, `raise-frame' grabs input focus as well. This fits well\n\ | |
9878 | with the normal Windows click-to-focus policy, but might not be\n\ | |
9879 | desirable when using a point-to-focus policy."); | |
9880 | Vw32_grab_focus_on_raise = Qt; | |
9881 | ||
9882 | DEFVAR_LISP ("w32-capslock-is-shiftlock", | |
9883 | &Vw32_capslock_is_shiftlock, | |
9884 | "Apply CapsLock state to non character input keys.\n\ | |
9885 | When nil, CapsLock only affects normal character input keys."); | |
9886 | Vw32_capslock_is_shiftlock = Qnil; | |
ef0e360f GV |
9887 | |
9888 | DEFVAR_LISP ("w32-recognize-altgr", | |
9889 | &Vw32_recognize_altgr, | |
9890 | "Recognize right-alt and left-ctrl as AltGr.\n\ | |
9891 | When nil, the right-alt and left-ctrl key combination is\n\ | |
9892 | interpreted normally."); | |
9893 | Vw32_recognize_altgr = Qt; | |
bc6af935 | 9894 | |
484fa2c1 GV |
9895 | DEFVAR_BOOL ("w32-enable-unicode-output", |
9896 | &w32_enable_unicode_output, | |
9897 | "Enable the use of Unicode for text output if non-nil.\n\ | |
cabb23bc GV |
9898 | Unicode output may prevent some third party applications for displaying\n\ |
9899 | Far-East Languages on Windows 95/98 from working properly.\n\ | |
9900 | NT uses Unicode internally anyway, so this flag will probably have no\n\ | |
9901 | affect on NT machines."); | |
484fa2c1 | 9902 | w32_enable_unicode_output = 1; |
a1b9438c | 9903 | |
a1b9438c GV |
9904 | DEFVAR_LISP ("w32-charset-to-codepage-alist", |
9905 | &Vw32_charset_to_codepage_alist, | |
9906 | "Alist linking character sets to Windows Codepages."); | |
9907 | Vw32_charset_to_codepage_alist = Qnil; | |
9908 | /* Initialise the alist with some defaults. */ | |
9909 | XSETFASTINT (codepage, 936); | |
9910 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
9911 | build_string ("gb2312"), codepage); | |
9912 | XSETFASTINT (codepage, 950); | |
9913 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
9914 | build_string ("big5"), codepage); | |
9915 | XSETFASTINT (codepage, 949); | |
9916 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
65c4903c GV |
9917 | build_string ("ksc5601.1987"), codepage); |
9918 | XSETFASTINT (codepage, 1361); | |
a1b9438c | 9919 | store_in_alist (&Vw32_charset_to_codepage_alist, |
65c4903c | 9920 | build_string ("ksc5601.1992"), codepage); |
a1b9438c GV |
9921 | XSETFASTINT (codepage, 932); |
9922 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
9923 | build_string ("jisx0208-sjis"), codepage); | |
9924 | XSETFASTINT (codepage, 874); | |
9925 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
9926 | build_string ("tis620"), codepage); | |
9927 | XSETFASTINT (codepage, 20866); | |
9928 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
9929 | build_string ("koi8-r"), codepage); | |
9930 | /* iso8859-13 is not yet officially adopted, but it is conveniently | |
9931 | covered by CP 1257. */ | |
9932 | XSETFASTINT (codepage, 1257); | |
9933 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
9934 | build_string ("iso8859-13"), codepage); | |
9935 | XSETFASTINT (codepage, 1254); | |
9936 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
9937 | build_string ("iso8859-9"), codepage); | |
9938 | XSETFASTINT (codepage, 1255); | |
9939 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
9940 | build_string ("iso8859-8"), codepage); | |
9941 | XSETFASTINT (codepage, 28597); | |
9942 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
9943 | build_string ("iso8859-7"), codepage); | |
9944 | XSETFASTINT (codepage, 28596); | |
9945 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
9946 | build_string ("iso8859-6"), codepage); | |
9947 | XSETFASTINT (codepage, 28595); | |
9948 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
9949 | build_string ("iso8859-5"), codepage); | |
9950 | XSETFASTINT (codepage, 28594); | |
9951 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
9952 | build_string ("iso8859-4"), codepage); | |
9953 | XSETFASTINT (codepage, 28593); | |
9954 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
9955 | build_string ("iso8859-3"), codepage); | |
9956 | XSETFASTINT (codepage, 28592); | |
9957 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
9958 | build_string ("iso8859-2"), codepage); | |
9959 | XSETFASTINT (codepage, 1252); | |
9960 | store_in_alist (&Vw32_charset_to_codepage_alist, | |
9961 | build_string ("iso8859-1"), codepage); | |
791f420f JR |
9962 | |
9963 | staticpro (&help_echo); | |
9964 | help_echo = Qnil; | |
9965 | staticpro (&previous_help_echo); | |
9966 | previous_help_echo = Qnil; | |
9967 | ||
9968 | DEFVAR_BOOL ("x-stretch-cursor", &x_stretch_cursor_p, | |
9969 | "*Non-nil means draw block cursor as wide as the glyph under it.\n\ | |
9970 | For example, if a block cursor is over a tab, it will be drawn as\n\ | |
9971 | wide as that tab on the display."); | |
9972 | x_stretch_cursor_p = 0; | |
9973 | ||
9974 | DEFVAR_BOOL ("x-toolkit-scroll-bars-p", &x_toolkit_scroll_bars_p, | |
9975 | "If not nil, Emacs uses toolkit scroll bars."); | |
9976 | x_toolkit_scroll_bars_p = 1; | |
9977 | ||
9978 | staticpro (&last_mouse_motion_frame); | |
9979 | last_mouse_motion_frame = Qnil; | |
ee78dc32 | 9980 | } |