|
0
|
1 /* Window creation, deletion and examination for XEmacs.
|
|
|
2 Copyright (C) 1985-1987, 1992-1995 Free Software Foundation, Inc.
|
|
|
3 Copyright (C) 1994, 1995 Board of Trustees, University of Illinois.
|
|
|
4 Copyright (C) 1995, 1996 Ben Wing.
|
|
|
5 Copyright (C) 1996 Chuck Thompson.
|
|
|
6
|
|
|
7 This file is part of XEmacs.
|
|
|
8
|
|
|
9 XEmacs is free software; you can redistribute it and/or modify it
|
|
|
10 under the terms of the GNU General Public License as published by the
|
|
|
11 Free Software Foundation; either version 2, or (at your option) any
|
|
|
12 later version.
|
|
|
13
|
|
|
14 XEmacs is distributed in the hope that it will be useful, but WITHOUT
|
|
|
15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
|
16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
|
17 for more details.
|
|
|
18
|
|
|
19 You should have received a copy of the GNU General Public License
|
|
|
20 along with XEmacs; see the file COPYING. If not, write to
|
|
|
21 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
|
22 Boston, MA 02111-1307, USA. */
|
|
|
23
|
|
|
24 /* Synched up with: FSF 19.30. */
|
|
|
25 /* Beginning to diverge significantly. */
|
|
|
26
|
|
|
27 /* This file has been Mule-ized. */
|
|
|
28
|
|
|
29 #include <config.h>
|
|
|
30 #include "lisp.h"
|
|
|
31
|
|
|
32 #include "buffer.h"
|
|
|
33 #include "faces.h"
|
|
|
34 #include "frame.h"
|
|
|
35 #include "objects.h"
|
|
|
36 #include "glyphs.h"
|
|
|
37 #include "redisplay.h"
|
|
|
38 #include "window.h"
|
|
384
|
39 #include "elhash.h"
|
|
|
40 #include "commands.h"
|
|
422
|
41 #include "gutter.h"
|
|
0
|
42
|
|
272
|
43 Lisp_Object Qwindowp, Qwindow_live_p, Qwindow_configurationp;
|
|
412
|
44 Lisp_Object Qscroll_up, Qscroll_down, Qdisplay_buffer;
|
|
0
|
45
|
|
|
46 #ifdef MEMORY_USAGE_STATS
|
|
272
|
47 Lisp_Object Qface_cache, Qglyph_cache, Qline_start_cache, Qother_redisplay;
|
|
0
|
48 #ifdef HAVE_SCROLLBARS
|
|
|
49 Lisp_Object Qscrollbar_instances;
|
|
|
50 #endif
|
|
|
51 #endif
|
|
|
52
|
|
272
|
53 EXFUN (Fnext_window, 4);
|
|
|
54
|
|
0
|
55 static int window_pixel_width_to_char_width (struct window *w,
|
|
|
56 int pixel_width,
|
|
|
57 int include_margins_p);
|
|
|
58 static int window_char_width_to_pixel_width (struct window *w,
|
|
|
59 int char_width,
|
|
|
60 int include_margins_p);
|
|
|
61 static int window_pixel_height_to_char_height (struct window *w,
|
|
|
62 int pixel_height,
|
|
|
63 int include_gutters_p);
|
|
|
64 static int window_char_height_to_pixel_height (struct window *w,
|
|
|
65 int char_height,
|
|
|
66 int include_gutters_p);
|
|
263
|
67 static void change_window_height (struct window *w, int delta, int widthflag,
|
|
|
68 int inpixels);
|
|
0
|
69
|
|
|
70 /* Thickness of shadow border around 3d modelines. */
|
|
|
71 Lisp_Object Vmodeline_shadow_thickness;
|
|
|
72
|
|
284
|
73 /* Whether vertical dividers are draggable and displayed */
|
|
298
|
74 Lisp_Object Vvertical_divider_always_visible_p;
|
|
284
|
75
|
|
0
|
76 /* Whether a modeline should be displayed. */
|
|
|
77 Lisp_Object Vhas_modeline_p;
|
|
|
78
|
|
284
|
79 /* Thickness of shadow border around vertical dividers. */
|
|
|
80 Lisp_Object Vvertical_divider_shadow_thickness;
|
|
|
81
|
|
|
82 /* Divider surface width (not counting 3-d borders) */
|
|
|
83 Lisp_Object Vvertical_divider_line_width;
|
|
|
84
|
|
371
|
85 /* Spacing between outer egde of divider border and window edge */
|
|
284
|
86 Lisp_Object Vvertical_divider_spacing;
|
|
|
87
|
|
0
|
88 /* Scroll if point lands on the bottom line and that line is partially
|
|
|
89 clipped. */
|
|
|
90 int scroll_on_clipped_lines;
|
|
|
91
|
|
|
92 /* The minibuffer window of the selected frame.
|
|
|
93 Note that you cannot test for minibufferness of an arbitrary window
|
|
|
94 by comparing against this; but you can test for minibufferness of
|
|
|
95 the selected window. */
|
|
|
96 Lisp_Object minibuf_window;
|
|
|
97
|
|
|
98 /* Non-nil means it is the window for C-M-v to scroll
|
|
|
99 when the minibuffer is selected. */
|
|
274
|
100 Lisp_Object Vminibuffer_scroll_window;
|
|
0
|
101
|
|
|
102 /* Non-nil means this is the buffer whose window C-M-v should scroll. */
|
|
|
103 Lisp_Object Vother_window_scroll_buffer;
|
|
|
104
|
|
102
|
105 /* Non-nil means it's the function to call to display temp buffers. */
|
|
0
|
106 Lisp_Object Vtemp_buffer_show_function;
|
|
|
107
|
|
|
108 Lisp_Object Vtemp_buffer_show_hook;
|
|
|
109
|
|
|
110 /* If a window gets smaller than either of these, it is removed. */
|
|
|
111 int window_min_height;
|
|
|
112 int window_min_width;
|
|
|
113
|
|
|
114 /* Hook run at end of temp_output_buffer_show. */
|
|
|
115 Lisp_Object Qtemp_buffer_show_hook;
|
|
|
116
|
|
|
117 /* Number of lines of continuity in scrolling by screenfuls. */
|
|
|
118 int next_screen_context_lines;
|
|
|
119
|
|
|
120 /* List of freed window configurations with 1 - 10 windows. */
|
|
412
|
121 Lisp_Object Vwindow_configuration_free_list[10];
|
|
0
|
122
|
|
|
123 #define SET_LAST_MODIFIED(w, cache_too) \
|
|
|
124 do { \
|
|
|
125 (w)->last_modified[CURRENT_DISP] = Qzero; \
|
|
|
126 (w)->last_modified[DESIRED_DISP] = Qzero; \
|
|
|
127 (w)->last_modified[CMOTION_DISP] = Qzero; \
|
|
|
128 if (cache_too) \
|
|
|
129 (w)->line_cache_last_updated = Qzero; \
|
|
|
130 } while (0)
|
|
|
131
|
|
|
132 #define SET_LAST_FACECHANGE(w) \
|
|
|
133 do { \
|
|
|
134 (w)->last_facechange[CURRENT_DISP] = Qzero; \
|
|
|
135 (w)->last_facechange[DESIRED_DISP] = Qzero; \
|
|
|
136 (w)->last_facechange[CMOTION_DISP] = Qzero; \
|
|
|
137 } while (0)
|
|
|
138
|
|
|
139
|
|
102
|
140 #define MARK_DISP_VARIABLE(field) \
|
|
412
|
141 markobj (window->field[CURRENT_DISP]); \
|
|
|
142 markobj (window->field[DESIRED_DISP]); \
|
|
|
143 markobj (window->field[CMOTION_DISP]);
|
|
0
|
144
|
|
|
145 static Lisp_Object
|
|
412
|
146 mark_window (Lisp_Object obj, void (*markobj) (Lisp_Object))
|
|
0
|
147 {
|
|
|
148 struct window *window = XWINDOW (obj);
|
|
412
|
149 markobj (window->frame);
|
|
|
150 markobj (window->mini_p);
|
|
|
151 markobj (window->next);
|
|
|
152 markobj (window->prev);
|
|
|
153 markobj (window->hchild);
|
|
|
154 markobj (window->vchild);
|
|
|
155 markobj (window->parent);
|
|
|
156 markobj (window->buffer);
|
|
0
|
157 MARK_DISP_VARIABLE (start);
|
|
|
158 MARK_DISP_VARIABLE (pointm);
|
|
412
|
159 markobj (window->sb_point); /* #### move to scrollbar.c? */
|
|
|
160 markobj (window->use_time);
|
|
0
|
161 MARK_DISP_VARIABLE (last_modified);
|
|
|
162 MARK_DISP_VARIABLE (last_point);
|
|
|
163 MARK_DISP_VARIABLE (last_start);
|
|
|
164 MARK_DISP_VARIABLE (last_facechange);
|
|
412
|
165 markobj (window->line_cache_last_updated);
|
|
|
166 markobj (window->redisplay_end_trigger);
|
|
|
167 markobj (window->subwindow_instance_cache);
|
|
|
168
|
|
|
169 mark_face_cachels (window->face_cachels, markobj);
|
|
|
170 mark_glyph_cachels (window->glyph_cachels, markobj);
|
|
|
171
|
|
|
172 #define WINDOW_SLOT(slot, compare) ((void) (markobj (window->slot)))
|
|
284
|
173 #include "winslots.h"
|
|
|
174
|
|
173
|
175 return Qnil;
|
|
0
|
176 }
|
|
|
177
|
|
|
178 static void
|
|
|
179 print_window (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
|
|
|
180 {
|
|
|
181 char buf[200];
|
|
|
182
|
|
|
183 if (print_readably)
|
|
|
184 error ("printing unreadable object #<window 0x%x>",
|
|
|
185 XWINDOW (obj)->header.uid);
|
|
185
|
186
|
|
0
|
187 write_c_string ("#<window", printcharfun);
|
|
|
188 if (!NILP (XWINDOW (obj)->buffer))
|
|
|
189 {
|
|
|
190 Lisp_Object name = XBUFFER (XWINDOW (obj)->buffer)->name;
|
|
|
191 write_c_string (" on ", printcharfun);
|
|
|
192 print_internal (name, printcharfun, 1);
|
|
|
193 }
|
|
|
194 sprintf (buf, " 0x%x>", XWINDOW (obj)->header.uid);
|
|
|
195 write_c_string (buf, printcharfun);
|
|
|
196 }
|
|
|
197
|
|
|
198 static void
|
|
|
199 finalize_window (void *header, int for_disksave)
|
|
|
200 {
|
|
|
201 struct window *w = (struct window *) header;
|
|
|
202
|
|
|
203 if (w->line_start_cache)
|
|
|
204 {
|
|
|
205 Dynarr_free (w->line_start_cache);
|
|
|
206 w->line_start_cache = 0;
|
|
|
207 }
|
|
|
208
|
|
|
209 if (w->face_cachels)
|
|
|
210 {
|
|
|
211 int i;
|
|
|
212
|
|
|
213 for (i = 0; i < Dynarr_length (w->face_cachels); i++)
|
|
|
214 {
|
|
|
215 struct face_cachel *cachel = Dynarr_atp (w->face_cachels, i);
|
|
|
216 if (cachel->merged_faces)
|
|
|
217 {
|
|
|
218 Dynarr_free (cachel->merged_faces);
|
|
|
219 cachel->merged_faces = 0;
|
|
|
220 }
|
|
|
221 }
|
|
|
222 Dynarr_free (w->face_cachels);
|
|
|
223 w->face_cachels = 0;
|
|
|
224 }
|
|
|
225
|
|
|
226 if (w->glyph_cachels)
|
|
|
227 {
|
|
|
228 Dynarr_free (w->glyph_cachels);
|
|
|
229 w->glyph_cachels = 0;
|
|
|
230 }
|
|
|
231 }
|
|
|
232
|
|
272
|
233 DEFINE_LRECORD_IMPLEMENTATION ("window", window,
|
|
|
234 mark_window, print_window, finalize_window,
|
|
420
|
235 0, 0, 0, struct window);
|
|
272
|
236
|
|
|
237
|
|
0
|
238 #define INIT_DISP_VARIABLE(field, initialization) \
|
|
|
239 p->field[CURRENT_DISP] = initialization; \
|
|
|
240 p->field[DESIRED_DISP] = initialization; \
|
|
|
241 p->field[CMOTION_DISP] = initialization;
|
|
|
242
|
|
|
243 /* We have an implicit assertion that the first two elements (default
|
|
|
244 and modeline faces) are always present in the face_element_cache.
|
|
|
245 Normally redisplay ensures this. However, it is possible for a
|
|
|
246 window to get created and functions which reference these values
|
|
|
247 called before redisplay works with the window for the first time.
|
|
|
248 All callers of allocate_window should therefore call
|
|
|
249 reset_face_cachels on the created window. We can't do it
|
|
|
250 here because the window must have its frame pointer set or
|
|
|
251 reset_face_cachels will fail. */
|
|
|
252 Lisp_Object
|
|
|
253 allocate_window (void)
|
|
|
254 {
|
|
272
|
255 Lisp_Object val;
|
|
398
|
256 struct window *p = alloc_lcrecord_type (struct window, &lrecord_window);
|
|
0
|
257
|
|
|
258 zero_lcrecord (p);
|
|
|
259 XSETWINDOW (val, p);
|
|
|
260
|
|
|
261 p->dead = 0;
|
|
|
262 p->frame = Qnil;
|
|
|
263 p->mini_p = Qnil;
|
|
|
264 p->next = Qnil;
|
|
|
265 p->prev = Qnil;
|
|
185
|
266 p->hchild = Qnil;
|
|
|
267 p->vchild = Qnil;
|
|
0
|
268 p->parent = Qnil;
|
|
|
269 p->buffer = Qnil;
|
|
|
270 INIT_DISP_VARIABLE (start, Fmake_marker ());
|
|
|
271 INIT_DISP_VARIABLE (pointm, Fmake_marker ());
|
|
|
272 p->sb_point = Fmake_marker ();
|
|
|
273 p->use_time = Qzero;
|
|
|
274 INIT_DISP_VARIABLE (last_modified, Qzero);
|
|
|
275 INIT_DISP_VARIABLE (last_point, Fmake_marker ());
|
|
|
276 INIT_DISP_VARIABLE (last_start, Fmake_marker ());
|
|
|
277 INIT_DISP_VARIABLE (last_facechange, Qzero);
|
|
185
|
278 p->face_cachels = Dynarr_new (face_cachel);
|
|
|
279 p->glyph_cachels = Dynarr_new (glyph_cachel);
|
|
|
280 p->line_start_cache = Dynarr_new (line_start_cache);
|
|
412
|
281 p->subwindow_instance_cache = make_lisp_hash_table (10,
|
|
|
282 HASH_TABLE_KEY_WEAK,
|
|
|
283 HASH_TABLE_EQ);
|
|
0
|
284 p->line_cache_last_updated = Qzero;
|
|
|
285 INIT_DISP_VARIABLE (last_point_x, 0);
|
|
|
286 INIT_DISP_VARIABLE (last_point_y, 0);
|
|
|
287 INIT_DISP_VARIABLE (window_end_pos, 0);
|
|
|
288 p->redisplay_end_trigger = Qnil;
|
|
284
|
289
|
|
|
290 #define WINDOW_SLOT(slot, compare) p->slot = Qnil
|
|
|
291 #include "winslots.h"
|
|
|
292
|
|
0
|
293 p->windows_changed = 1;
|
|
|
294 p->shadow_thickness_changed = 1;
|
|
|
295
|
|
173
|
296 return val;
|
|
0
|
297 }
|
|
|
298 #undef INIT_DISP_VARIABLE
|
|
|
299
|
|
|
300 /*
|
|
|
301 * The redisplay structures used to be stored with each window. While
|
|
|
302 * they are logically something associated with frames they can't be
|
|
|
303 * stored there with a redisplay which handles variable height lines.
|
|
|
304 * Lines in horizontally split windows might not line up. So they get
|
|
|
305 * stored with the windows.
|
|
|
306 *
|
|
|
307 * The problem with this is window configurations. When restoring a
|
|
|
308 * window configuration it now becomes problematic to do an
|
|
|
309 * incremental redisplay. The solution is to store the redisplay
|
|
|
310 * structures with the frame as they should be but laid out in the
|
|
|
311 * same manner as the window structure. Thus is born the window
|
|
|
312 * mirror.
|
|
|
313 *
|
|
|
314 * It also becomes a convenient place to stick scrollbar instances
|
|
|
315 * since they extrapolate out to having the same problem described for
|
|
|
316 * the display structures.
|
|
|
317 */
|
|
|
318
|
|
102
|
319 /* Create a new window mirror structure and associated redisplay
|
|
0
|
320 structs. */
|
|
|
321 static struct window_mirror *
|
|
|
322 new_window_mirror (struct frame *f)
|
|
|
323 {
|
|
185
|
324 struct window_mirror *t = xnew_and_zero (struct window_mirror);
|
|
0
|
325
|
|
|
326 t->frame = f;
|
|
|
327
|
|
185
|
328 t->current_display_lines = Dynarr_new (display_line);
|
|
|
329 t->desired_display_lines = Dynarr_new (display_line);
|
|
0
|
330 t->buffer = NULL;
|
|
|
331
|
|
|
332 #ifdef HAVE_SCROLLBARS
|
|
|
333 t->scrollbar_vertical_instance = NULL;
|
|
|
334 t->scrollbar_horizontal_instance = NULL;
|
|
|
335 #endif
|
|
|
336
|
|
|
337 return t;
|
|
|
338 }
|
|
|
339
|
|
|
340 /* Synchronize the mirror structure with a given window structure.
|
|
|
341 This is normally called from update_frame_window_mirror with a
|
|
|
342 starting window of f->root_window. */
|
|
|
343 static struct window_mirror *
|
|
|
344 update_mirror_internal (Lisp_Object win, struct window_mirror *mir)
|
|
|
345 {
|
|
|
346 if (NILP (win))
|
|
|
347 {
|
|
|
348 if (mir)
|
|
|
349 {
|
|
|
350 free_window_mirror (mir);
|
|
272
|
351 mir = NULL;
|
|
0
|
352 }
|
|
|
353 return mir;
|
|
|
354 }
|
|
|
355 else
|
|
|
356 if (!mir)
|
|
|
357 mir = new_window_mirror (XFRAME (XWINDOW (win)->frame));
|
|
|
358
|
|
102
|
359 mir->next = update_mirror_internal (XWINDOW (win)->next, mir->next);
|
|
0
|
360 mir->hchild = update_mirror_internal (XWINDOW (win)->hchild, mir->hchild);
|
|
|
361 mir->vchild = update_mirror_internal (XWINDOW (win)->vchild, mir->vchild);
|
|
|
362
|
|
|
363 /*
|
|
|
364 * If the redisplay structs are not empty and the mirror has
|
|
|
365 * children, then this mirror structure was formerly being used for
|
|
|
366 * display but is no longer. Reset its current display structs so
|
|
|
367 * that redisplay doesn't accidentally think they are accurate if it
|
|
|
368 * is later used for display purposes once again. Also, mark the
|
|
|
369 * scrollbar instance as not active.
|
|
|
370 */
|
|
|
371 if (mir->vchild || mir->hchild)
|
|
|
372 {
|
|
|
373 /* The redisplay structures are big. Leaving them around in
|
|
|
374 non-leaf windows can add up to a lot of wasted space. So
|
|
|
375 don't do it. */
|
|
|
376 free_display_structs (mir);
|
|
185
|
377 mir->current_display_lines = Dynarr_new (display_line);
|
|
|
378 mir->desired_display_lines = Dynarr_new (display_line);
|
|
0
|
379
|
|
|
380 #ifdef HAVE_SCROLLBARS
|
|
|
381 update_window_scrollbars (XWINDOW (win), mir, 0, 0);
|
|
|
382 #endif
|
|
|
383 mir->buffer = NULL;
|
|
|
384 }
|
|
|
385
|
|
|
386 return mir;
|
|
|
387 }
|
|
|
388
|
|
|
389 /* Given a window mirror, determine which real window it contains the
|
|
|
390 redisplay structures for. */
|
|
|
391 static Lisp_Object
|
|
|
392 real_window_internal (Lisp_Object win, struct window_mirror *rmir,
|
|
|
393 struct window_mirror *mir)
|
|
|
394 {
|
|
|
395 for (; !NILP (win) && rmir ; win = XWINDOW (win)->next, rmir = rmir->next)
|
|
|
396 {
|
|
|
397 if (mir == rmir)
|
|
|
398 return win;
|
|
|
399 if (!NILP (XWINDOW (win)->vchild))
|
|
|
400 {
|
|
380
|
401 Lisp_Object retval =
|
|
|
402 real_window_internal (XWINDOW (win)->vchild, rmir->vchild, mir);
|
|
0
|
403 if (!NILP (retval))
|
|
|
404 return retval;
|
|
|
405 }
|
|
|
406 if (!NILP (XWINDOW (win)->hchild))
|
|
|
407 {
|
|
380
|
408 Lisp_Object retval =
|
|
|
409 real_window_internal (XWINDOW (win)->hchild, rmir->hchild, mir);
|
|
0
|
410 if (!NILP (retval))
|
|
|
411 return retval;
|
|
|
412 }
|
|
|
413 }
|
|
|
414
|
|
|
415 return Qnil;
|
|
|
416 }
|
|
|
417
|
|
|
418 /* Given a real window, find the mirror structure which contains its
|
|
|
419 redisplay structures. */
|
|
|
420 static struct window_mirror *
|
|
|
421 find_window_mirror_internal (Lisp_Object win, struct window_mirror *rmir,
|
|
|
422 struct window *w)
|
|
|
423 {
|
|
|
424 for (; !NILP (win); win = XWINDOW (win)->next, rmir = rmir->next)
|
|
|
425 {
|
|
|
426 if (w == XWINDOW (win))
|
|
|
427 return rmir;
|
|
272
|
428
|
|
|
429 if (!NILP (XWINDOW (win)->vchild))
|
|
|
430 {
|
|
|
431 struct window_mirror *retval =
|
|
|
432 find_window_mirror_internal (XWINDOW (win)->vchild,
|
|
|
433 rmir->vchild, w);
|
|
|
434 if (retval) return retval;
|
|
|
435 }
|
|
|
436
|
|
|
437 if (!NILP (XWINDOW (win)->hchild))
|
|
|
438 {
|
|
|
439 struct window_mirror *retval =
|
|
|
440 find_window_mirror_internal (XWINDOW (win)->hchild,
|
|
|
441 rmir->hchild, w);
|
|
|
442 if (retval) return retval;
|
|
|
443 }
|
|
0
|
444 }
|
|
|
445
|
|
|
446 return 0;
|
|
|
447 }
|
|
|
448
|
|
|
449 /* Update the mirror structure for the given frame. */
|
|
|
450 void
|
|
|
451 update_frame_window_mirror (struct frame *f)
|
|
|
452 {
|
|
|
453 f->root_mirror = update_mirror_internal (f->root_window, f->root_mirror);
|
|
|
454 f->mirror_dirty = 0;
|
|
|
455 }
|
|
|
456
|
|
|
457 /* Free a given mirror structure along with all of its children as
|
|
|
458 well as their associated display structures. */
|
|
|
459 void
|
|
|
460 free_window_mirror (struct window_mirror *mir)
|
|
|
461 {
|
|
|
462 while (mir)
|
|
|
463 {
|
|
272
|
464 struct window_mirror *prev = mir;
|
|
0
|
465 if (mir->hchild) free_window_mirror (mir->hchild);
|
|
|
466 if (mir->vchild) free_window_mirror (mir->vchild);
|
|
|
467 #ifdef HAVE_SCROLLBARS
|
|
|
468 release_window_mirror_scrollbars (mir);
|
|
|
469 #endif
|
|
|
470 free_display_structs (mir);
|
|
|
471 mir = mir->next;
|
|
272
|
472 xfree (prev);
|
|
0
|
473 }
|
|
|
474 }
|
|
|
475
|
|
|
476 /* Given a mirror structure, return the window it mirrors. Calls
|
|
|
477 real_window_internal to do most of the work. */
|
|
|
478 Lisp_Object
|
|
|
479 real_window (struct window_mirror *mir, int no_abort)
|
|
|
480 {
|
|
272
|
481 Lisp_Object retval = real_window_internal (mir->frame->root_window,
|
|
|
482 mir->frame->root_mirror, mir);
|
|
0
|
483 if (NILP (retval) && !no_abort)
|
|
|
484 abort ();
|
|
|
485
|
|
|
486 return retval;
|
|
|
487 }
|
|
|
488
|
|
|
489 /* Given a real window, return its mirror structure. Calls
|
|
|
490 find_window_mirror_internal to do all of the work. */
|
|
|
491 struct window_mirror *
|
|
|
492 find_window_mirror (struct window *w)
|
|
|
493 {
|
|
|
494 struct frame *f = XFRAME (w->frame);
|
|
|
495 if (f->mirror_dirty)
|
|
|
496 update_frame_window_mirror (f);
|
|
|
497 return find_window_mirror_internal (f->root_window, f->root_mirror, w);
|
|
|
498 }
|
|
|
499
|
|
|
500 /*****************************************************************************
|
|
|
501 find_window_by_pixel_pos
|
|
|
502
|
|
|
503 Given a pixel position relative to a frame, find the window at that
|
|
|
504 position.
|
|
|
505 ****************************************************************************/
|
|
|
506 struct window *
|
|
272
|
507 find_window_by_pixel_pos (int pix_x, int pix_y, Lisp_Object win)
|
|
0
|
508 {
|
|
|
509 if (NILP (win))
|
|
|
510 return 0;
|
|
|
511
|
|
|
512 for (; !NILP (win); win = XWINDOW (win)->next)
|
|
|
513 {
|
|
272
|
514 struct window *w;
|
|
|
515
|
|
|
516 if (!NILP (XWINDOW (win)->vchild))
|
|
|
517 {
|
|
|
518 w = find_window_by_pixel_pos (pix_x, pix_y, XWINDOW (win)->vchild);
|
|
|
519 if (w) return w;
|
|
|
520 }
|
|
|
521 if (!NILP (XWINDOW (win)->hchild))
|
|
|
522 {
|
|
|
523 w = find_window_by_pixel_pos (pix_x, pix_y, XWINDOW (win)->hchild);
|
|
|
524 if (w) return w;
|
|
|
525 }
|
|
0
|
526 w = XWINDOW (win);
|
|
|
527 if (pix_x >= WINDOW_LEFT (w)
|
|
|
528 && pix_x <= WINDOW_RIGHT (w)
|
|
|
529 && pix_y >= WINDOW_TOP (w)
|
|
|
530 && pix_y <= WINDOW_BOTTOM (w))
|
|
|
531 return w;
|
|
|
532 }
|
|
272
|
533 return NULL;
|
|
0
|
534 }
|
|
|
535
|
|
|
536 /* Return a pointer to the display structures for the given window. */
|
|
|
537 display_line_dynarr *
|
|
|
538 window_display_lines (struct window *w, int which)
|
|
|
539 {
|
|
|
540 struct window_mirror *t;
|
|
|
541
|
|
|
542 if (XFRAME (w->frame)->mirror_dirty)
|
|
|
543 update_frame_window_mirror (XFRAME (w->frame));
|
|
|
544 t = find_window_mirror (w);
|
|
|
545 if (!t)
|
|
|
546 abort ();
|
|
|
547
|
|
|
548 if (which == CURRENT_DISP)
|
|
|
549 return t->current_display_lines;
|
|
|
550 else if (which == DESIRED_DISP)
|
|
|
551 return t->desired_display_lines;
|
|
|
552 else if (which == CMOTION_DISP)
|
|
|
553 /* The CMOTION_DISP display lines are global. */
|
|
|
554 return cmotion_display_lines;
|
|
|
555 else
|
|
|
556 abort ();
|
|
|
557
|
|
|
558 return 0; /* shut up compiler */
|
|
|
559 }
|
|
|
560
|
|
|
561 struct buffer *
|
|
|
562 window_display_buffer (struct window *w)
|
|
|
563 {
|
|
|
564 struct window_mirror *t;
|
|
|
565
|
|
|
566 if (XFRAME (w->frame)->mirror_dirty)
|
|
|
567 update_frame_window_mirror (XFRAME (w->frame));
|
|
|
568 t = find_window_mirror (w);
|
|
|
569 if (!t)
|
|
|
570 abort ();
|
|
|
571
|
|
|
572 return t->buffer;
|
|
|
573 }
|
|
|
574
|
|
|
575 void
|
|
|
576 set_window_display_buffer (struct window *w, struct buffer *b)
|
|
|
577 {
|
|
|
578 struct window_mirror *t;
|
|
|
579
|
|
|
580 if (XFRAME (w->frame)->mirror_dirty)
|
|
|
581 update_frame_window_mirror (XFRAME (w->frame));
|
|
|
582 t = find_window_mirror (w);
|
|
|
583 if (!t)
|
|
|
584 abort ();
|
|
|
585
|
|
|
586 t->buffer = b;
|
|
|
587 }
|
|
|
588
|
|
|
589
|
|
102
|
590 /* Determining a window's position based solely on its pixel
|
|
0
|
591 positioning doesn't work. Instead, we do it the intelligent way,
|
|
|
592 by checking its positioning in the window hierarchy. */
|
|
|
593 int
|
|
|
594 window_is_leftmost (struct window *w)
|
|
|
595 {
|
|
|
596 Lisp_Object parent, current_ancestor, window;
|
|
|
597
|
|
|
598 XSETWINDOW (window, w);
|
|
|
599
|
|
|
600 parent = XWINDOW (window)->parent;
|
|
|
601 current_ancestor = window;
|
|
|
602
|
|
|
603 while (!NILP (parent))
|
|
|
604 {
|
|
|
605 if (!NILP (XWINDOW (parent)->hchild) &&
|
|
|
606 !EQ (XWINDOW (parent)->hchild, current_ancestor))
|
|
|
607 return 0;
|
|
|
608
|
|
|
609 current_ancestor = parent;
|
|
|
610 parent = XWINDOW (parent)->parent;
|
|
|
611 }
|
|
|
612
|
|
|
613 return 1;
|
|
|
614 }
|
|
|
615
|
|
|
616 int
|
|
|
617 window_is_rightmost (struct window *w)
|
|
|
618 {
|
|
|
619 Lisp_Object parent, current_ancestor, window;
|
|
|
620
|
|
|
621 XSETWINDOW (window, w);
|
|
|
622
|
|
|
623 parent = XWINDOW (window)->parent;
|
|
|
624 current_ancestor = window;
|
|
|
625
|
|
|
626 while (!NILP (parent))
|
|
|
627 {
|
|
|
628 if (!NILP (XWINDOW (parent)->hchild)
|
|
|
629 && !NILP (XWINDOW (current_ancestor)->next))
|
|
|
630 return 0;
|
|
|
631
|
|
|
632 current_ancestor = parent;
|
|
|
633 parent = XWINDOW (parent)->parent;
|
|
|
634 }
|
|
|
635
|
|
|
636 return 1;
|
|
|
637 }
|
|
|
638
|
|
|
639 static int
|
|
|
640 window_full_width_p (struct window *w)
|
|
|
641 {
|
|
|
642 return window_is_leftmost (w) && window_is_rightmost (w);
|
|
|
643 }
|
|
|
644
|
|
422
|
645 int
|
|
0
|
646 window_is_highest (struct window *w)
|
|
|
647 {
|
|
|
648 Lisp_Object parent, current_ancestor, window;
|
|
|
649
|
|
|
650 XSETWINDOW (window, w);
|
|
|
651
|
|
|
652 parent = XWINDOW (window)->parent;
|
|
|
653 current_ancestor = window;
|
|
|
654
|
|
|
655 while (!NILP (parent))
|
|
|
656 {
|
|
|
657 if (!NILP (XWINDOW (parent)->vchild) &&
|
|
|
658 !EQ (XWINDOW (parent)->vchild, current_ancestor))
|
|
|
659 return 0;
|
|
|
660
|
|
|
661 current_ancestor = parent;
|
|
|
662 parent = XWINDOW (parent)->parent;
|
|
|
663 }
|
|
|
664
|
|
|
665 /* This is really to catch the minibuffer but we make it generic in
|
|
|
666 case we ever change things around to let the minibuffer be on top. */
|
|
|
667 if (NILP (XWINDOW (current_ancestor)->prev))
|
|
|
668 return 1;
|
|
|
669 else
|
|
|
670 return 0;
|
|
|
671 }
|
|
|
672
|
|
422
|
673 int
|
|
0
|
674 window_is_lowest (struct window *w)
|
|
|
675 {
|
|
|
676 Lisp_Object parent, current_ancestor, window;
|
|
|
677
|
|
|
678 XSETWINDOW (window, w);
|
|
|
679
|
|
|
680 parent = XWINDOW (window)->parent;
|
|
|
681 current_ancestor = window;
|
|
|
682
|
|
|
683 while (!NILP (parent))
|
|
|
684 {
|
|
|
685 if (!NILP (XWINDOW (parent)->vchild)
|
|
|
686 && !NILP (XWINDOW (current_ancestor)->next))
|
|
|
687 return 0;
|
|
|
688
|
|
|
689 current_ancestor = parent;
|
|
|
690 parent = XWINDOW (parent)->parent;
|
|
|
691 }
|
|
|
692
|
|
|
693 return 1;
|
|
|
694 }
|
|
|
695
|
|
|
696 #if 0 /* not currently used */
|
|
|
697
|
|
|
698 static int
|
|
|
699 window_full_height_p (struct window *w)
|
|
|
700 {
|
|
|
701 return window_is_highest (w) && window_is_lowest (w);
|
|
|
702 }
|
|
|
703
|
|
|
704 #endif
|
|
|
705
|
|
|
706 int
|
|
|
707 window_truncation_on (struct window *w)
|
|
|
708 {
|
|
|
709 /* Horizontally scrolled windows are truncated. */
|
|
|
710 if (w->hscroll)
|
|
|
711 return 1;
|
|
|
712
|
|
|
713 /* If truncate_partial_width_windows is true and the window is not
|
|
|
714 the full width of the frame it is truncated. */
|
|
|
715 if (truncate_partial_width_windows
|
|
|
716 && !(window_is_leftmost (w) && window_is_rightmost (w)))
|
|
|
717 return 1;
|
|
|
718
|
|
|
719 /* If the window's buffer's value of truncate_lines is non-nil, then
|
|
|
720 the window is truncated. */
|
|
|
721 if (!NILP (XBUFFER (w->buffer)->truncate_lines))
|
|
|
722 return 1;
|
|
|
723
|
|
|
724 return 0;
|
|
|
725 }
|
|
|
726
|
|
286
|
727 static int
|
|
284
|
728 have_undivided_common_edge (struct window *w_right, void *closure)
|
|
|
729 {
|
|
|
730 struct window *w_left = (struct window *) closure;
|
|
|
731 return (WINDOW_RIGHT (w_left) == WINDOW_LEFT (w_right)
|
|
|
732 && WINDOW_TOP (w_left) < WINDOW_BOTTOM (w_right)
|
|
|
733 && WINDOW_TOP (w_right) < WINDOW_BOTTOM (w_left)
|
|
|
734 #ifdef HAVE_SCROLLBARS
|
|
|
735 && (NILP (w_right->scrollbar_on_left_p)
|
|
|
736 || NILP (w_right->vertical_scrollbar_visible_p)
|
|
|
737 || ZEROP (w_right->scrollbar_width))
|
|
|
738 #endif
|
|
|
739 );
|
|
|
740 }
|
|
|
741
|
|
|
742 static int
|
|
|
743 window_needs_vertical_divider_1 (struct window *w)
|
|
|
744 {
|
|
|
745 /* Never if we're on the right */
|
|
|
746 if (window_is_rightmost (w))
|
|
|
747 return 0;
|
|
|
748
|
|
|
749 /* Always if draggable */
|
|
298
|
750 if (!NILP (w->vertical_divider_always_visible_p))
|
|
284
|
751 return 1;
|
|
|
752
|
|
|
753 #ifdef HAVE_SCROLLBARS
|
|
380
|
754 /* Our right scrollbar is enough to separate us at the right */
|
|
284
|
755 if (NILP (w->scrollbar_on_left_p)
|
|
|
756 && !NILP (w->vertical_scrollbar_visible_p)
|
|
|
757 && !ZEROP (w->scrollbar_width))
|
|
|
758 return 0;
|
|
|
759 #endif
|
|
|
760
|
|
|
761 /* Ok. to determine whether we need a divider on the left, we must
|
|
286
|
762 check that our right neighbor windows have scrollbars on their
|
|
|
763 left sides. We must check all such windows which have common
|
|
284
|
764 left edge with our window's right edge. */
|
|
|
765 return map_windows (XFRAME (WINDOW_FRAME (w)),
|
|
|
766 have_undivided_common_edge, (void*)w);
|
|
|
767 }
|
|
|
768
|
|
|
769 int
|
|
0
|
770 window_needs_vertical_divider (struct window *w)
|
|
|
771 {
|
|
284
|
772 if (!w->need_vertical_divider_valid_p)
|
|
|
773 {
|
|
|
774 w->need_vertical_divider_p =
|
|
|
775 window_needs_vertical_divider_1 (w);
|
|
|
776 w->need_vertical_divider_valid_p = 1;
|
|
|
777 }
|
|
|
778 return w->need_vertical_divider_p;
|
|
|
779 }
|
|
|
780
|
|
|
781 /* Called from invalidate_vertical_divider_cache_in_frame */
|
|
|
782 int
|
|
|
783 invalidate_vertical_divider_cache_in_window (struct window *w,
|
|
|
784 void *u_n_u_s_e_d)
|
|
|
785 {
|
|
|
786 w->need_vertical_divider_valid_p = 0;
|
|
|
787 return 0;
|
|
|
788 }
|
|
|
789
|
|
|
790 /* Calculate width of vertical divider, including its shadows
|
|
|
791 and spacing. The returned value is effectively the distance
|
|
|
792 between adjacent window edges. This function does not check
|
|
380
|
793 whether a window needs a vertical divider, so the returned
|
|
284
|
794 value is a "theoretical" one */
|
|
|
795 int
|
|
|
796 window_divider_width (struct window *w)
|
|
|
797 {
|
|
|
798 /* the shadow thickness can be negative. This means that the divider
|
|
|
799 will have a depressed look */
|
|
|
800
|
|
|
801 if (FRAME_WIN_P (XFRAME (WINDOW_FRAME (w))))
|
|
380
|
802 return
|
|
284
|
803 XINT (w->vertical_divider_line_width)
|
|
|
804 + 2 * XINT (w->vertical_divider_spacing)
|
|
|
805 + 2 * abs (XINT (w->vertical_divider_shadow_thickness));
|
|
|
806 else
|
|
|
807 return XINT (w->vertical_divider_line_width) == 0 ? 0 : 1;
|
|
0
|
808 }
|
|
|
809
|
|
|
810 int
|
|
|
811 window_scrollbar_width (struct window *w)
|
|
|
812 {
|
|
|
813 #ifdef HAVE_SCROLLBARS
|
|
|
814 if (!WINDOW_WIN_P (w)
|
|
|
815 || MINI_WINDOW_P (w)
|
|
282
|
816 || NILP (w->buffer)
|
|
|
817 || NILP (w->vertical_scrollbar_visible_p))
|
|
0
|
818 /* #### when does NILP (w->buffer) happen? */
|
|
|
819 return 0;
|
|
|
820
|
|
|
821 return XINT (w->scrollbar_width);
|
|
|
822 #else
|
|
|
823 return 0;
|
|
102
|
824 #endif /* HAVE_SCROLLBARS */
|
|
0
|
825 }
|
|
|
826
|
|
|
827 /* Horizontal scrollbars are only active on windows with truncation
|
|
|
828 turned on. */
|
|
|
829 int
|
|
|
830 window_scrollbar_height (struct window *w)
|
|
|
831 {
|
|
|
832 #ifdef HAVE_SCROLLBARS
|
|
|
833 if (!WINDOW_WIN_P (w)
|
|
|
834 || MINI_WINDOW_P (w)
|
|
|
835 || NILP (w->buffer)
|
|
282
|
836 || NILP (w->horizontal_scrollbar_visible_p)
|
|
0
|
837 || !window_truncation_on (w))
|
|
|
838 return 0;
|
|
|
839
|
|
|
840 return XINT (w->scrollbar_height);
|
|
|
841 #else
|
|
|
842 return 0;
|
|
102
|
843 #endif /* HAVE_SCROLLBARS */
|
|
0
|
844 }
|
|
|
845
|
|
|
846 int
|
|
|
847 window_modeline_height (struct window *w)
|
|
|
848 {
|
|
|
849 struct frame *f = XFRAME (w->frame);
|
|
|
850 int modeline_height;
|
|
|
851
|
|
|
852 if (MINI_WINDOW_P (w) || NILP (w->buffer))
|
|
|
853 {
|
|
|
854 modeline_height = 0;
|
|
|
855 }
|
|
|
856 else if (!WINDOW_HAS_MODELINE_P (w))
|
|
|
857 {
|
|
|
858 if (window_scrollbar_height (w))
|
|
|
859 modeline_height = 0;
|
|
|
860 else
|
|
|
861 {
|
|
|
862 modeline_height = FRAMEMETH (f, divider_height, ());
|
|
|
863
|
|
|
864 if (!EQ (Qzero, w->modeline_shadow_thickness) && FRAME_WIN_P (f))
|
|
|
865 modeline_height += (2 * MODELINE_SHADOW_THICKNESS (w));
|
|
|
866 }
|
|
|
867 }
|
|
|
868 else
|
|
|
869 {
|
|
|
870 if (noninteractive)
|
|
|
871 modeline_height = 0;
|
|
|
872 else
|
|
|
873 {
|
|
|
874 display_line_dynarr *dla;
|
|
|
875
|
|
|
876 /* We don't force a regeneration of the modeline here.
|
|
|
877 Instead it is now a precondition that any function calling
|
|
|
878 this should make sure that one of these structures is
|
|
|
879 up-to-date. In practice this only affects two internal
|
|
|
880 redisplay functions, regenerate_window and
|
|
|
881 regenerate_window_point_center. */
|
|
|
882 /* We check DESIRED_DISP because if it is valid it is more
|
|
|
883 up-to-date than CURRENT_DISP. For calls to this outside
|
|
|
884 of redisplay it doesn't matter which structure we check
|
|
|
885 since there is a redisplay condition that these
|
|
|
886 structures be identical outside of redisplay. */
|
|
|
887 dla = window_display_lines (w, DESIRED_DISP);
|
|
|
888 if (dla && Dynarr_length (dla) && Dynarr_atp (dla, 0)->modeline)
|
|
|
889 modeline_height = (Dynarr_atp (dla, 0)->ascent +
|
|
|
890 Dynarr_atp (dla, 0)->descent);
|
|
|
891 else
|
|
|
892 {
|
|
|
893 dla = window_display_lines (w, CURRENT_DISP);
|
|
|
894 if (dla && Dynarr_length (dla) && Dynarr_atp (dla, 0)->modeline)
|
|
|
895 modeline_height = (Dynarr_atp (dla, 0)->ascent +
|
|
|
896 Dynarr_atp (dla, 0)->descent);
|
|
|
897 else
|
|
|
898 /* This should be an abort except I'm not yet 100%
|
|
|
899 confident that it won't ever get hit (though I
|
|
|
900 haven't been able to trigger it). It is extremely
|
|
380
|
901 unlikely to cause any noticeable problem and even if
|
|
0
|
902 it does it will be a minor display glitch. */
|
|
|
903 /* #### Bullshit alert. It does get hit and it causes
|
|
|
904 noticeable glitches. real_current_modeline_height
|
|
|
905 is a kludge to fix this for 19.14. */
|
|
|
906 modeline_height = real_current_modeline_height (w);
|
|
|
907 }
|
|
|
908
|
|
|
909 if (!EQ (Qzero, w->modeline_shadow_thickness) && FRAME_WIN_P (f))
|
|
|
910 modeline_height += (2 * MODELINE_SHADOW_THICKNESS (w));
|
|
|
911 }
|
|
|
912 }
|
|
|
913
|
|
|
914 return modeline_height;
|
|
|
915 }
|
|
|
916
|
|
|
917 /*****************************************************************************
|
|
|
918 margin_width_internal
|
|
|
919
|
|
|
920 For a given window, return the width in pixels of the specified margin.
|
|
|
921 ****************************************************************************/
|
|
|
922 static int
|
|
|
923 margin_width_internal (struct window *w, int left_margin)
|
|
|
924 {
|
|
|
925 struct buffer *b;
|
|
|
926 int window_cwidth = window_char_width (w, 1);
|
|
|
927 int margin_cwidth;
|
|
|
928 int font_width;
|
|
272
|
929 Lisp_Object window;
|
|
0
|
930
|
|
|
931 /* We might be getting called on a non-leaf. */
|
|
|
932 if (NILP (w->buffer))
|
|
|
933 return 0;
|
|
|
934
|
|
|
935 /* The minibuffer never has margins. */
|
|
|
936 if (MINI_WINDOW_P (w))
|
|
|
937 return 0;
|
|
|
938
|
|
|
939 XSETWINDOW (window, w);
|
|
|
940 b = XBUFFER (w->buffer);
|
|
|
941 margin_cwidth = (left_margin ? XINT (w->left_margin_width) :
|
|
|
942 XINT (w->right_margin_width));
|
|
|
943
|
|
|
944 default_face_height_and_width (window, 0, &font_width);
|
|
|
945
|
|
|
946 /* The left margin takes precedence over the right margin so we
|
|
|
947 subtract its width from the space available for the right
|
|
|
948 margin. */
|
|
|
949 if (!left_margin)
|
|
|
950 window_cwidth -= XINT (w->left_margin_width);
|
|
|
951
|
|
|
952 /* The margin cannot be wider than the window is. We allow the
|
|
|
953 value to be bigger since it is possible for the user to enlarge
|
|
|
954 the window such that the left margin value would no longer be too
|
|
|
955 big, but we won't return a value that is larger. */
|
|
|
956 if (margin_cwidth > window_cwidth)
|
|
|
957 margin_cwidth = window_cwidth;
|
|
|
958
|
|
|
959 /* At the user level the margin is always specified in characters.
|
|
|
960 Internally however it is manipulated in terms of pixels. */
|
|
173
|
961 return margin_cwidth * font_width;
|
|
0
|
962 }
|
|
|
963
|
|
|
964 int
|
|
|
965 window_left_margin_width (struct window *w)
|
|
|
966 {
|
|
|
967 return margin_width_internal (w, 1);
|
|
|
968 }
|
|
|
969
|
|
|
970 int
|
|
|
971 window_right_margin_width (struct window *w)
|
|
|
972 {
|
|
|
973 return margin_width_internal (w, 0);
|
|
|
974 }
|
|
|
975
|
|
|
976 /*****************************************************************************
|
|
|
977 Window Gutters
|
|
|
978
|
|
|
979 The gutters of a window are those areas in the boundary defined by
|
|
|
980 w->pixel_top, w->pixel_left, w->pixel_height and w->pixel_width which
|
|
|
981 do not contain text. Items which may be in the gutters include
|
|
|
982 scrollbars, toolbars and modelines. The margin areas are not
|
|
|
983 included. This is an exception made because redisplay special cases
|
|
|
984 the handling of those areas in many places in such a way that
|
|
|
985 including them in the gutter area would make life difficult.
|
|
|
986
|
|
|
987 The size functions refer to height for the bottom and top gutters and
|
|
|
988 width for the left and right gutters. The starting position
|
|
|
989 functions refer to the Y coord for bottom and top gutters and the X
|
|
|
990 coord for left and right gutters. All starting positions are
|
|
|
991 relative to the frame, not the window.
|
|
|
992 ****************************************************************************/
|
|
|
993
|
|
|
994 int
|
|
|
995 window_top_gutter_height (struct window *w)
|
|
|
996 {
|
|
422
|
997 int gutter = WINDOW_REAL_TOP_GUTTER_BOUNDS (w);
|
|
0
|
998
|
|
|
999 if (!NILP (w->hchild) || !NILP (w->vchild))
|
|
|
1000 return 0;
|
|
|
1001
|
|
|
1002 #ifdef HAVE_SCROLLBARS
|
|
412
|
1003 if (!NILP (w->scrollbar_on_top_p))
|
|
422
|
1004 return window_scrollbar_height (w) + gutter;
|
|
0
|
1005 else
|
|
|
1006 #endif
|
|
422
|
1007 return gutter;
|
|
0
|
1008 }
|
|
|
1009
|
|
|
1010 int
|
|
404
|
1011 window_bottom_gutter_height (struct window *w)
|
|
|
1012 {
|
|
422
|
1013 int gutter = WINDOW_REAL_BOTTOM_GUTTER_BOUNDS (w);
|
|
412
|
1014
|
|
0
|
1015 if (!NILP (w->hchild) || !NILP (w->vchild))
|
|
|
1016 return 0;
|
|
422
|
1017
|
|
|
1018 gutter += window_modeline_height (w);
|
|
0
|
1019
|
|
|
1020 #ifdef HAVE_SCROLLBARS
|
|
412
|
1021 if (NILP (w->scrollbar_on_top_p))
|
|
422
|
1022 return window_scrollbar_height (w) + gutter;
|
|
412
|
1023 else
|
|
0
|
1024 #endif
|
|
422
|
1025 return gutter;
|
|
0
|
1026 }
|
|
|
1027
|
|
|
1028 int
|
|
404
|
1029 window_left_gutter_width (struct window *w, int modeline)
|
|
|
1030 {
|
|
422
|
1031 int gutter = WINDOW_REAL_LEFT_GUTTER_BOUNDS (w);
|
|
412
|
1032
|
|
|
1033 if (!NILP (w->hchild) || !NILP (w->vchild))
|
|
|
1034 return 0;
|
|
|
1035
|
|
|
1036 #ifdef HAVE_SCROLLBARS
|
|
|
1037 if (!modeline && !NILP (w->scrollbar_on_left_p))
|
|
|
1038 gutter += window_scrollbar_width (w);
|
|
|
1039 #endif
|
|
|
1040
|
|
|
1041 return gutter;
|
|
404
|
1042 }
|
|
|
1043
|
|
412
|
1044 int
|
|
|
1045 window_right_gutter_width (struct window *w, int modeline)
|
|
404
|
1046 {
|
|
422
|
1047 int gutter = WINDOW_REAL_RIGHT_GUTTER_BOUNDS (w);
|
|
380
|
1048
|
|
0
|
1049 if (!NILP (w->hchild) || !NILP (w->vchild))
|
|
|
1050 return 0;
|
|
|
1051
|
|
|
1052 #ifdef HAVE_SCROLLBARS
|
|
284
|
1053 if (!modeline && NILP (w->scrollbar_on_left_p))
|
|
|
1054 gutter += window_scrollbar_width (w);
|
|
0
|
1055 #endif
|
|
284
|
1056
|
|
|
1057 if (window_needs_vertical_divider (w))
|
|
|
1058 gutter += window_divider_width (w);
|
|
|
1059
|
|
|
1060 return gutter;
|
|
0
|
1061 }
|
|
|
1062
|
|
|
1063
|
|
20
|
1064 DEFUN ("windowp", Fwindowp, 1, 1, 0, /*
|
|
0
|
1065 Return t if OBJ is a window.
|
|
20
|
1066 */
|
|
|
1067 (obj))
|
|
0
|
1068 {
|
|
173
|
1069 return WINDOWP (obj) ? Qt : Qnil;
|
|
0
|
1070 }
|
|
|
1071
|
|
20
|
1072 DEFUN ("window-live-p", Fwindow_live_p, 1, 1, 0, /*
|
|
0
|
1073 Return t if OBJ is a window which is currently visible.
|
|
20
|
1074 */
|
|
|
1075 (obj))
|
|
0
|
1076 {
|
|
173
|
1077 return WINDOWP (obj) && WINDOW_LIVE_P (XWINDOW (obj)) ? Qt : Qnil;
|
|
0
|
1078 }
|
|
|
1079
|
|
20
|
1080 DEFUN ("selected-window", Fselected_window, 0, 1, 0, /*
|
|
0
|
1081 Return the window that the cursor now appears in and commands apply to.
|
|
|
1082 If the optional argument CON-DEV-OR-FRAME is specified and is a frame, return
|
|
|
1083 the selected window used by that frame. If CON-DEV-OR-FRAME is a device,
|
|
|
1084 then the selected frame on that device will be used. If CON-DEV-OR-FRAME
|
|
|
1085 is a console, the selected frame on that console's selected device will
|
|
|
1086 be used. Otherwise, the selected frame is used.
|
|
20
|
1087 */
|
|
|
1088 (con_dev_or_frame))
|
|
0
|
1089 {
|
|
|
1090 if (NILP (con_dev_or_frame) && NILP (Fselected_device (Qnil)))
|
|
|
1091 return Qnil; /* happens at startup */
|
|
|
1092
|
|
272
|
1093 {
|
|
|
1094 struct frame *f = decode_frame_or_selected (con_dev_or_frame);
|
|
|
1095 return FRAME_SELECTED_WINDOW (f);
|
|
|
1096 }
|
|
0
|
1097 }
|
|
|
1098
|
|
20
|
1099 DEFUN ("minibuffer-window", Fminibuffer_window, 0, 1, 0, /*
|
|
0
|
1100 Return the window used now for minibuffers.
|
|
|
1101 If the optional argument CON-DEV-OR-FRAME is specified and is a frame, return
|
|
|
1102 the minibuffer window used by that frame. If CON-DEV-OR-FRAME is a device,
|
|
|
1103 then the selected frame on that device will be used. If CON-DEV-OR-FRAME
|
|
|
1104 is a console, the selected frame on that console's selected device will
|
|
|
1105 be used. Otherwise, the selected frame is used.
|
|
20
|
1106 */
|
|
|
1107 (con_dev_or_frame))
|
|
0
|
1108 {
|
|
272
|
1109 return FRAME_MINIBUF_WINDOW (decode_frame_or_selected (con_dev_or_frame));
|
|
0
|
1110 }
|
|
|
1111
|
|
412
|
1112 DEFUN ("window-minibuffer-p", Fwindow_minibuffer_p, 1, 1, 0, /*
|
|
0
|
1113 Return non-nil if WINDOW is a minibuffer window.
|
|
20
|
1114 */
|
|
|
1115 (window))
|
|
0
|
1116 {
|
|
173
|
1117 return MINI_WINDOW_P (decode_window (window)) ? Qt : Qnil;
|
|
0
|
1118 }
|
|
|
1119
|
|
20
|
1120 DEFUN ("window-first-hchild", Fwindow_first_hchild, 1, 1, 0, /*
|
|
0
|
1121 Return the first horizontal child of WINDOW, or nil.
|
|
20
|
1122 */
|
|
|
1123 (window))
|
|
0
|
1124 {
|
|
102
|
1125 return decode_window (window)->hchild;
|
|
0
|
1126 }
|
|
|
1127
|
|
20
|
1128 DEFUN ("window-first-vchild", Fwindow_first_vchild, 1, 1, 0, /*
|
|
0
|
1129 Return the first vertical child of WINDOW, or nil.
|
|
20
|
1130 */
|
|
|
1131 (window))
|
|
0
|
1132 {
|
|
102
|
1133 return decode_window (window)->vchild;
|
|
0
|
1134 }
|
|
|
1135
|
|
20
|
1136 DEFUN ("window-next-child", Fwindow_next_child, 1, 1, 0, /*
|
|
0
|
1137 Return the next window on the same level as WINDOW, or nil.
|
|
20
|
1138 */
|
|
|
1139 (window))
|
|
0
|
1140 {
|
|
102
|
1141 return decode_window (window)->next;
|
|
0
|
1142 }
|
|
|
1143
|
|
20
|
1144 DEFUN ("window-previous-child", Fwindow_previous_child, 1, 1, 0, /*
|
|
0
|
1145 Return the previous window on the same level as WINDOW, or nil.
|
|
20
|
1146 */
|
|
|
1147 (window))
|
|
0
|
1148 {
|
|
102
|
1149 return decode_window (window)->prev;
|
|
0
|
1150 }
|
|
|
1151
|
|
20
|
1152 DEFUN ("window-parent", Fwindow_parent, 1, 1, 0, /*
|
|
0
|
1153 Return the parent of WINDOW, or nil.
|
|
20
|
1154 */
|
|
|
1155 (window))
|
|
0
|
1156 {
|
|
102
|
1157 return decode_window (window)->parent;
|
|
0
|
1158 }
|
|
|
1159
|
|
20
|
1160 DEFUN ("window-lowest-p", Fwindow_lowest_p, 1, 1, 0, /*
|
|
0
|
1161 Return non-nil if WINDOW is along the bottom of its frame.
|
|
20
|
1162 */
|
|
|
1163 (window))
|
|
0
|
1164 {
|
|
102
|
1165 return window_is_lowest (decode_window (window)) ? Qt : Qnil;
|
|
0
|
1166 }
|
|
|
1167
|
|
20
|
1168 DEFUN ("window-highest-p", Fwindow_highest_p, 1, 1, 0, /*
|
|
0
|
1169 Return non-nil if WINDOW is along the top of its frame.
|
|
20
|
1170 */
|
|
|
1171 (window))
|
|
0
|
1172 {
|
|
102
|
1173 return window_is_highest (decode_window (window)) ? Qt : Qnil;
|
|
0
|
1174 }
|
|
|
1175
|
|
20
|
1176 DEFUN ("window-leftmost-p", Fwindow_leftmost_p, 1, 1, 0, /*
|
|
0
|
1177 Return non-nil if WINDOW is along the left edge of its frame.
|
|
20
|
1178 */
|
|
|
1179 (window))
|
|
0
|
1180 {
|
|
102
|
1181 return window_is_leftmost (decode_window (window)) ? Qt : Qnil;
|
|
0
|
1182 }
|
|
|
1183
|
|
20
|
1184 DEFUN ("window-rightmost-p", Fwindow_rightmost_p, 1, 1, 0, /*
|
|
0
|
1185 Return non-nil if WINDOW is along the right edge of its frame.
|
|
20
|
1186 */
|
|
|
1187 (window))
|
|
0
|
1188 {
|
|
102
|
1189 return window_is_rightmost (decode_window (window)) ? Qt : Qnil;
|
|
0
|
1190 }
|
|
|
1191
|
|
20
|
1192 DEFUN ("pos-visible-in-window-p", Fpos_visible_in_window_p, 0, 2, 0, /*
|
|
0
|
1193 Return t if position POS is currently on the frame in WINDOW.
|
|
|
1194 Returns nil if that position is scrolled vertically out of view.
|
|
|
1195 POS defaults to point in WINDOW's buffer; WINDOW, to the selected window.
|
|
20
|
1196 */
|
|
|
1197 (pos, window))
|
|
0
|
1198 {
|
|
102
|
1199 struct window *w = decode_window (window);
|
|
272
|
1200 Bufpos top = marker_position (w->start[CURRENT_DISP]);
|
|
0
|
1201 Bufpos posint;
|
|
272
|
1202 struct buffer *buf = XBUFFER (w->buffer);
|
|
0
|
1203
|
|
|
1204 if (NILP (pos))
|
|
|
1205 posint = BUF_PT (buf);
|
|
|
1206 else
|
|
|
1207 {
|
|
|
1208 CHECK_INT_COERCE_MARKER (pos);
|
|
|
1209 posint = XINT (pos);
|
|
|
1210 }
|
|
|
1211
|
|
|
1212 if (posint < top || posint > BUF_ZV (buf))
|
|
|
1213 return Qnil;
|
|
|
1214
|
|
|
1215 /* w->start can be out of range. If it is, do something reasonable. */
|
|
|
1216 if (top < BUF_BEGV (buf) || top > BUF_ZV (buf))
|
|
|
1217 return Qnil;
|
|
|
1218
|
|
272
|
1219 return point_would_be_visible (w, top, posint) ? Qt : Qnil;
|
|
0
|
1220 }
|
|
|
1221
|
|
|
1222
|
|
|
1223 struct window *
|
|
|
1224 decode_window (Lisp_Object window)
|
|
|
1225 {
|
|
|
1226 if (NILP (window))
|
|
|
1227 return XWINDOW (Fselected_window (Qnil));
|
|
|
1228
|
|
|
1229 CHECK_LIVE_WINDOW (window);
|
|
|
1230 return XWINDOW (window);
|
|
|
1231 }
|
|
|
1232
|
|
20
|
1233 DEFUN ("window-buffer", Fwindow_buffer, 0, 1, 0, /*
|
|
0
|
1234 Return the buffer that WINDOW is displaying.
|
|
20
|
1235 */
|
|
|
1236 (window))
|
|
0
|
1237 {
|
|
|
1238 return decode_window (window)->buffer;
|
|
|
1239 }
|
|
|
1240
|
|
20
|
1241 DEFUN ("window-frame", Fwindow_frame, 0, 1, 0, /*
|
|
0
|
1242 Return the frame that window WINDOW is on.
|
|
20
|
1243 */
|
|
|
1244 (window))
|
|
0
|
1245 {
|
|
|
1246 return decode_window (window)->frame;
|
|
|
1247 }
|
|
|
1248
|
|
20
|
1249 DEFUN ("window-height", Fwindow_height, 0, 1, 0, /*
|
|
0
|
1250 Return the number of default lines in WINDOW.
|
|
|
1251 This actually works by dividing the window's pixel height (including
|
|
|
1252 the modeline and horizontal scrollbar, if any) by the height of the
|
|
|
1253 default font; therefore, the number of displayed lines will probably
|
|
|
1254 be different.
|
|
|
1255 Use `window-height' to get consistent results in geometry calculations.
|
|
|
1256 Use `window-displayed-height' to get the actual number of lines
|
|
|
1257 currently displayed in a window.
|
|
20
|
1258 */
|
|
|
1259 (window))
|
|
0
|
1260 {
|
|
|
1261 return make_int (window_char_height (decode_window (window), 1));
|
|
|
1262 }
|
|
|
1263
|
|
20
|
1264 DEFUN ("window-displayed-height", Fwindow_displayed_height, 0, 1, 0, /*
|
|
0
|
1265 Return the number of lines currently displayed in WINDOW.
|
|
|
1266 This counts the actual number of lines displayed in WINDOW
|
|
272
|
1267 \(as opposed to `window-height'). The modeline and horizontal
|
|
0
|
1268 scrollbar do not count as lines. If there is some blank space
|
|
|
1269 between the end of the buffer and the end of the window, this
|
|
|
1270 function pretends that there are lines of text in the default
|
|
|
1271 font there.
|
|
20
|
1272 */
|
|
70
|
1273 (window))
|
|
0
|
1274 {
|
|
|
1275 return make_int (window_displayed_height (decode_window (window)));
|
|
|
1276 }
|
|
|
1277
|
|
20
|
1278 DEFUN ("window-pixel-height", Fwindow_pixel_height, 0, 1, 0, /*
|
|
0
|
1279 Return the height of WINDOW in pixels. Defaults to current window.
|
|
|
1280 This includes the window's modeline and horizontal scrollbar (if any).
|
|
20
|
1281 */
|
|
|
1282 (window))
|
|
0
|
1283 {
|
|
412
|
1284 return make_int (decode_window (window)->pixel_height);
|
|
0
|
1285 }
|
|
|
1286
|
|
288
|
1287 DEFUN ("window-text-area-pixel-height",
|
|
|
1288 Fwindow_text_area_pixel_height, 0, 1, 0, /*
|
|
276
|
1289 Return the height in pixels of the text-displaying portion of WINDOW.
|
|
|
1290 Unlike `window-pixel-height', the space occupied by the modeline and
|
|
|
1291 horizontal scrollbar, if any, is not counted.
|
|
263
|
1292 */
|
|
|
1293 (window))
|
|
|
1294 {
|
|
276
|
1295 struct window *w = decode_window (window);
|
|
|
1296
|
|
|
1297 return make_int (WINDOW_TEXT_HEIGHT (w));
|
|
263
|
1298 }
|
|
|
1299
|
|
288
|
1300 DEFUN ("window-displayed-text-pixel-height",
|
|
|
1301 Fwindow_displayed_text_pixel_height, 0, 2, 0, /*
|
|
|
1302 Return the height in pixels of the text displayed in WINDOW.
|
|
|
1303 Unlike `window-text-area-pixel-height', any blank space below the
|
|
|
1304 end of the buffer is not included. If optional argument NOCLIPPED
|
|
|
1305 is non-nil, do not include space occupied by clipped lines.
|
|
|
1306 */
|
|
|
1307 (window, noclipped))
|
|
|
1308 {
|
|
|
1309 struct window *w;
|
|
|
1310 Bufpos start, eobuf;
|
|
|
1311 int defheight;
|
|
|
1312 int hlimit, height, prev_height = -1;
|
|
|
1313 int line;
|
|
|
1314 int elt, nelt, i;
|
|
|
1315 int needed;
|
|
|
1316 line_start_cache_dynarr *cache;
|
|
|
1317
|
|
|
1318 if (NILP (window))
|
|
|
1319 window = Fselected_window (Qnil);
|
|
|
1320
|
|
414
|
1321 CHECK_LIVE_WINDOW (window);
|
|
288
|
1322 w = XWINDOW (window);
|
|
|
1323
|
|
|
1324 start = marker_position (w->start[CURRENT_DISP]);
|
|
|
1325 hlimit = WINDOW_TEXT_HEIGHT (w);
|
|
|
1326 eobuf = BUF_ZV (XBUFFER (w->buffer));
|
|
|
1327
|
|
|
1328 default_face_height_and_width (window, &defheight, NULL);
|
|
|
1329
|
|
|
1330 /* guess lines needed in line start cache + a few extra */
|
|
|
1331 needed = (hlimit + defheight-1) / defheight + 3;
|
|
|
1332
|
|
|
1333 while (1) {
|
|
|
1334 elt = point_in_line_start_cache (w, start, needed);
|
|
|
1335 assert (elt >= 0); /* in the cache */
|
|
|
1336
|
|
|
1337 cache = w->line_start_cache;
|
|
|
1338 nelt = Dynarr_length (cache);
|
|
|
1339
|
|
|
1340 height = 0;
|
|
|
1341 for (i = elt; i < nelt; i++) {
|
|
|
1342 line = Dynarr_atp (cache, i)->height;
|
|
|
1343
|
|
|
1344 if (height + line > hlimit)
|
|
|
1345 return make_int (!NILP (noclipped) ? height : hlimit);
|
|
|
1346
|
|
|
1347 height += line;
|
|
|
1348
|
|
|
1349 if (height == hlimit || Dynarr_atp (cache, i)->end >= eobuf)
|
|
|
1350 return make_int (height);
|
|
|
1351 }
|
|
|
1352
|
|
|
1353 /* get here => need more cache lines. try again. */
|
|
|
1354 assert(height > prev_height); /* progress? */
|
|
|
1355 prev_height = height;
|
|
|
1356
|
|
|
1357 needed += ((hlimit - height)*(nelt - elt) + height-1)/height + 3;
|
|
|
1358 }
|
|
|
1359
|
|
|
1360 RETURN_NOT_REACHED(make_int (0)) /* shut up compiler */
|
|
|
1361 }
|
|
|
1362
|
|
20
|
1363 DEFUN ("window-width", Fwindow_width, 0, 1, 0, /*
|
|
0
|
1364 Return the number of display columns in WINDOW.
|
|
412
|
1365 This is the width that is usable columns available for text in WINDOW.
|
|
20
|
1366 */
|
|
|
1367 (window))
|
|
0
|
1368 {
|
|
173
|
1369 return make_int (window_char_width (decode_window (window), 0));
|
|
0
|
1370 }
|
|
|
1371
|
|
20
|
1372 DEFUN ("window-pixel-width", Fwindow_pixel_width, 0, 1, 0, /*
|
|
0
|
1373 Return the width of WINDOW in pixels. Defaults to current window.
|
|
20
|
1374 */
|
|
|
1375 (window))
|
|
0
|
1376 {
|
|
173
|
1377 return make_int (decode_window (window)->pixel_width);
|
|
0
|
1378 }
|
|
|
1379
|
|
288
|
1380 DEFUN ("window-text-area-pixel-width",
|
|
|
1381 Fwindow_text_area_pixel_width, 0, 1, 0, /*
|
|
276
|
1382 Return the width in pixels of the text-displaying portion of WINDOW.
|
|
|
1383 Unlike `window-pixel-width', the space occupied by the vertical
|
|
380
|
1384 scrollbar or divider, if any, is not counted.
|
|
276
|
1385 */
|
|
|
1386 (window))
|
|
|
1387 {
|
|
|
1388 struct window *w = decode_window (window);
|
|
|
1389
|
|
|
1390 return make_int (WINDOW_TEXT_WIDTH (w));
|
|
|
1391 }
|
|
|
1392
|
|
20
|
1393 DEFUN ("window-hscroll", Fwindow_hscroll, 0, 1, 0, /*
|
|
0
|
1394 Return the number of columns by which WINDOW is scrolled from left margin.
|
|
20
|
1395 */
|
|
|
1396 (window))
|
|
0
|
1397 {
|
|
173
|
1398 return make_int (decode_window (window)->hscroll);
|
|
0
|
1399 }
|
|
|
1400
|
|
412
|
1401 #ifdef MODELINE_IS_SCROLLABLE
|
|
257
|
1402 DEFUN ("modeline-hscroll", Fmodeline_hscroll, 0, 1, 0, /*
|
|
412
|
1403 Return the number of columns by which WINDOW's modeline is scrolled from
|
|
|
1404 left margin. If the window has no modeline, return nil.
|
|
257
|
1405 */
|
|
|
1406 (window))
|
|
|
1407 {
|
|
280
|
1408 struct window *w = decode_window (window);
|
|
|
1409
|
|
412
|
1410 return (WINDOW_HAS_MODELINE_P (w)) ? make_int (w->modeline_hscroll) : Qnil;
|
|
257
|
1411 }
|
|
272
|
1412
|
|
257
|
1413 DEFUN ("set-modeline-hscroll", Fset_modeline_hscroll, 2, 2, 0, /*
|
|
412
|
1414 Set number of columns WINDOW's modeline is scrolled from left margin to NCOL.
|
|
|
1415 NCOL should be zero or positive. If NCOL is negative, it will be forced to 0.
|
|
|
1416 If the window has no modeline, do nothing and return nil.
|
|
257
|
1417 */
|
|
|
1418 (window, ncol))
|
|
|
1419 {
|
|
280
|
1420 struct window *w = decode_window (window);
|
|
|
1421
|
|
257
|
1422 if (WINDOW_HAS_MODELINE_P (w))
|
|
|
1423 {
|
|
412
|
1424 int ncols;
|
|
257
|
1425 CHECK_INT (ncol);
|
|
412
|
1426 ncols = XINT (ncol);
|
|
|
1427 if (ncols < 0) ncols = 0;
|
|
|
1428 if (w->modeline_hscroll != ncols)
|
|
|
1429 MARK_MODELINE_CHANGED;
|
|
|
1430 w->modeline_hscroll = ncols;
|
|
|
1431 return ncol;
|
|
257
|
1432 }
|
|
|
1433 return Qnil;
|
|
|
1434 }
|
|
412
|
1435 #endif /* MODELINE_IS_SCROLLABLE */
|
|
272
|
1436
|
|
|
1437 DEFUN ("set-window-hscroll", Fset_window_hscroll, 2, 2, 0, /*
|
|
|
1438 Set number of columns WINDOW is scrolled from left margin to NCOL.
|
|
|
1439 NCOL should be zero or positive.
|
|
|
1440 */
|
|
|
1441 (window, ncol))
|
|
|
1442 {
|
|
|
1443 struct window *w;
|
|
|
1444 int ncols;
|
|
|
1445
|
|
|
1446 CHECK_INT (ncol);
|
|
|
1447 ncols = XINT (ncol);
|
|
|
1448 if (ncols < 0) ncols = 0;
|
|
|
1449 w = decode_window (window);
|
|
|
1450 if (w->hscroll != ncols)
|
|
|
1451 MARK_CLIP_CHANGED; /* FSF marks differently but we aren't FSF. */
|
|
|
1452 w->hscroll = ncols;
|
|
|
1453 return ncol;
|
|
|
1454 }
|
|
257
|
1455
|
|
276
|
1456 #if 0 /* bogus FSF crock */
|
|
0
|
1457
|
|
149
|
1458 xxDEFUN ("window-redisplay-end-trigger",
|
|
|
1459 Fwindow_redisplay_end_trigger, 0, 1, 0, /*
|
|
0
|
1460 Return WINDOW's redisplay end trigger value.
|
|
|
1461 See `set-window-redisplay-end-trigger' for more information.
|
|
102
|
1462 */
|
|
|
1463 (window))
|
|
0
|
1464 {
|
|
|
1465 return decode_window (window)->redisplay_end_trigger;
|
|
|
1466 }
|
|
|
1467
|
|
149
|
1468 xxDEFUN ("set-window-redisplay-end-trigger",
|
|
|
1469 Fset_window_redisplay_end_trigger, 2, 2, 0, /*
|
|
0
|
1470 Set WINDOW's redisplay end trigger value to VALUE.
|
|
|
1471 VALUE should be a buffer position (typically a marker) or nil.
|
|
|
1472 If it is a buffer position, then if redisplay in WINDOW reaches a position
|
|
|
1473 beyond VALUE, the functions in `redisplay-end-trigger-functions' are called
|
|
|
1474 with two arguments: WINDOW, and the end trigger value.
|
|
|
1475 Afterwards the end-trigger value is reset to nil.
|
|
185
|
1476 */
|
|
102
|
1477 (window, value))
|
|
0
|
1478 {
|
|
102
|
1479 return (decode_window (window)->redisplay_end_trigger = value);
|
|
0
|
1480 }
|
|
|
1481
|
|
|
1482 #endif /* 0 */
|
|
|
1483
|
|
20
|
1484 DEFUN ("window-pixel-edges", Fwindow_pixel_edges, 0, 1, 0, /*
|
|
0
|
1485 Return a list of the pixel edge coordinates of WINDOW.
|
|
|
1486 \(LEFT TOP RIGHT BOTTOM), all relative to 0, 0 at top left corner of frame.
|
|
412
|
1487 The frame toolbars and menubars are considered to be outside of this area.
|
|
20
|
1488 */
|
|
|
1489 (window))
|
|
0
|
1490 {
|
|
|
1491 struct window *w = decode_window (window);
|
|
412
|
1492 struct frame *f = XFRAME (w->frame);
|
|
|
1493
|
|
|
1494 int left = w->pixel_left - FRAME_LEFT_BORDER_END (f);
|
|
|
1495 int top = w->pixel_top - FRAME_TOP_BORDER_END (f);
|
|
0
|
1496
|
|
|
1497 return list4 (make_int (left),
|
|
|
1498 make_int (top),
|
|
|
1499 make_int (left + w->pixel_width),
|
|
|
1500 make_int (top + w->pixel_height));
|
|
|
1501 }
|
|
|
1502
|
|
288
|
1503 DEFUN ("window-text-area-pixel-edges",
|
|
|
1504 Fwindow_text_area_pixel_edges, 0, 1, 0, /*
|
|
276
|
1505 Return a list of the pixel edge coordinates of the text area of WINDOW.
|
|
|
1506 Returns the list \(LEFT TOP RIGHT BOTTOM), all relative to 0, 0 at the
|
|
|
1507 top left corner of the window.
|
|
|
1508 */
|
|
|
1509 (window))
|
|
|
1510 {
|
|
|
1511 struct window *w = decode_window (window);
|
|
|
1512
|
|
|
1513 int left = window_left_gutter_width (w, /* modeline = */ 0);
|
|
|
1514 int top = window_top_gutter_height (w);
|
|
|
1515 int right = WINDOW_WIDTH (w) - window_right_gutter_width (w, 0);
|
|
|
1516 int bottom = WINDOW_HEIGHT (w) - window_bottom_gutter_height (w);
|
|
|
1517
|
|
|
1518 return list4 (make_int (left),
|
|
|
1519 make_int (top),
|
|
|
1520 make_int (right),
|
|
|
1521 make_int (bottom));
|
|
|
1522 }
|
|
|
1523
|
|
20
|
1524 DEFUN ("window-point", Fwindow_point, 0, 1, 0, /*
|
|
0
|
1525 Return current value of point in WINDOW.
|
|
371
|
1526 For a nonselected window, this is the value point would have
|
|
0
|
1527 if that window were selected.
|
|
|
1528
|
|
|
1529 Note that, when WINDOW is the selected window and its buffer
|
|
|
1530 is also currently selected, the value returned is the same as (point).
|
|
|
1531 It would be more strictly correct to return the `top-level' value
|
|
|
1532 of point, outside of any save-excursion forms.
|
|
|
1533 But that is hard to define.
|
|
20
|
1534 */
|
|
|
1535 (window))
|
|
0
|
1536 {
|
|
|
1537 struct window *w = decode_window (window);
|
|
|
1538
|
|
|
1539 /* The special check for current buffer is necessary for this
|
|
|
1540 function to work as defined when called within an excursion. */
|
|
|
1541 if (w == XWINDOW (Fselected_window (XFRAME (w->frame)->device))
|
|
|
1542 && current_buffer == XBUFFER (w->buffer))
|
|
|
1543 return Fpoint (Qnil);
|
|
|
1544 return Fmarker_position (w->pointm[CURRENT_DISP]);
|
|
|
1545 }
|
|
|
1546
|
|
20
|
1547 DEFUN ("window-start", Fwindow_start, 0, 1, 0, /*
|
|
0
|
1548 Return position at which display currently starts in WINDOW.
|
|
|
1549 This is updated by redisplay or by calling `set-window-start'.
|
|
20
|
1550 */
|
|
|
1551 (window))
|
|
0
|
1552 {
|
|
|
1553 return Fmarker_position (decode_window (window)->start[CURRENT_DISP]);
|
|
|
1554 }
|
|
|
1555
|
|
20
|
1556 DEFUN ("window-end", Fwindow_end, 0, 2, 0, /*
|
|
0
|
1557 Return position at which display currently ends in WINDOW.
|
|
|
1558 This is updated by redisplay, when it runs to completion.
|
|
|
1559 Simply changing the buffer text or setting `window-start'
|
|
|
1560 does not update this value.
|
|
|
1561 If GUARANTEE is non-nil, then the return value is guaranteed to be
|
|
|
1562 the value of window-end at the end of the next full redisplay assuming
|
|
|
1563 nothing else changes in the meantime. This function is potentially much
|
|
|
1564 slower with this flag set.
|
|
20
|
1565 */
|
|
|
1566 (window, guarantee))
|
|
0
|
1567 {
|
|
|
1568 struct window *w = decode_window (window);
|
|
|
1569
|
|
|
1570 if (NILP (guarantee))
|
|
|
1571 {
|
|
280
|
1572 Lisp_Object buf;
|
|
|
1573 buf = w->buffer;
|
|
0
|
1574 CHECK_BUFFER (buf);
|
|
272
|
1575 return make_int (BUF_Z (XBUFFER (buf)) - w->window_end_pos[CURRENT_DISP]);
|
|
0
|
1576 }
|
|
|
1577 else
|
|
|
1578 {
|
|
|
1579 Bufpos startp = marker_position (w->start[CURRENT_DISP]);
|
|
173
|
1580 return make_int (end_of_last_line (w, startp));
|
|
0
|
1581 }
|
|
|
1582 }
|
|
|
1583
|
|
20
|
1584 DEFUN ("set-window-point", Fset_window_point, 2, 2, 0, /*
|
|
0
|
1585 Make point value in WINDOW be at position POS in WINDOW's buffer.
|
|
20
|
1586 */
|
|
|
1587 (window, pos))
|
|
0
|
1588 {
|
|
|
1589 struct window *w = decode_window (window);
|
|
|
1590
|
|
|
1591 CHECK_INT_COERCE_MARKER (pos);
|
|
|
1592 if (w == XWINDOW (Fselected_window (Qnil)))
|
|
223
|
1593 Fgoto_char (pos, Qnil);
|
|
0
|
1594 else
|
|
|
1595 set_marker_restricted (w->pointm[CURRENT_DISP], pos, w->buffer);
|
|
|
1596
|
|
|
1597 MARK_POINT_CHANGED;
|
|
|
1598 return pos;
|
|
|
1599 }
|
|
|
1600
|
|
20
|
1601 DEFUN ("set-window-start", Fset_window_start, 2, 3, 0, /*
|
|
0
|
1602 Make display in WINDOW start at position POS in WINDOW's buffer.
|
|
|
1603 Optional third arg NOFORCE non-nil inhibits next redisplay
|
|
|
1604 from overriding motion of point in order to display at this exact start.
|
|
20
|
1605 */
|
|
|
1606 (window, pos, noforce))
|
|
0
|
1607 {
|
|
|
1608 struct window *w = decode_window (window);
|
|
|
1609
|
|
|
1610 CHECK_INT_COERCE_MARKER (pos);
|
|
|
1611 set_marker_restricted (w->start[CURRENT_DISP], pos, w->buffer);
|
|
|
1612 /* this is not right, but much easier than doing what is right. */
|
|
373
|
1613 /* w->start_at_line_beg = 0; */
|
|
|
1614 /* WTF is the above supposed to mean? GE */
|
|
375
|
1615 w->start_at_line_beg = beginning_of_line_p (XBUFFER (w->buffer),
|
|
|
1616 marker_position (w->start[CURRENT_DISP]));
|
|
0
|
1617 if (NILP (noforce))
|
|
|
1618 w->force_start = 1;
|
|
|
1619 w->redo_modeline = 1;
|
|
|
1620 SET_LAST_MODIFIED (w, 0);
|
|
|
1621 SET_LAST_FACECHANGE (w);
|
|
|
1622
|
|
|
1623 MARK_WINDOWS_CHANGED (w);
|
|
|
1624
|
|
|
1625 return pos;
|
|
|
1626 }
|
|
|
1627
|
|
20
|
1628 DEFUN ("window-dedicated-p", Fwindow_dedicated_p, 1, 1, 0, /*
|
|
0
|
1629 Return WINDOW's dedicated object, usually t or nil.
|
|
|
1630 See also `set-window-dedicated-p'.
|
|
20
|
1631 */
|
|
|
1632 (window))
|
|
0
|
1633 {
|
|
|
1634 return decode_window (window)->dedicated;
|
|
|
1635 }
|
|
|
1636
|
|
20
|
1637 DEFUN ("set-window-dedicated-p", Fset_window_dedicated_p, 2, 2, 0, /*
|
|
0
|
1638 Control whether WINDOW is dedicated to the buffer it displays.
|
|
|
1639 If it is dedicated, Emacs will not automatically change
|
|
|
1640 which buffer appears in it.
|
|
|
1641 The second argument is the new value for the dedication flag;
|
|
|
1642 non-nil means yes.
|
|
20
|
1643 */
|
|
|
1644 (window, arg))
|
|
0
|
1645 {
|
|
272
|
1646 struct window *w = decode_window (window);
|
|
0
|
1647
|
|
149
|
1648 w->dedicated = NILP (arg) ? Qnil : Qt;
|
|
0
|
1649
|
|
|
1650 return w->dedicated;
|
|
|
1651 }
|
|
|
1652
|
|
|
1653 /* FSFmacs has window-display-table here. We have display table as a
|
|
|
1654 specifier. */
|
|
|
1655
|
|
|
1656
|
|
|
1657 /* Record info on buffer window w is displaying
|
|
|
1658 when it is about to cease to display that buffer. */
|
|
|
1659 static void
|
|
|
1660 unshow_buffer (struct window *w)
|
|
|
1661 {
|
|
|
1662 Lisp_Object buf = w->buffer;
|
|
|
1663
|
|
|
1664 if (XBUFFER (buf) != XMARKER (w->pointm[CURRENT_DISP])->buffer)
|
|
|
1665 abort ();
|
|
|
1666
|
|
|
1667 /* FSF disables this check, so I'll do it too. I hope it won't
|
|
|
1668 break things. --ben */
|
|
|
1669 #if 0
|
|
|
1670 if (w == XWINDOW (Fselected_window (Qnil))
|
|
|
1671 || ! EQ (buf, XWINDOW (Fselected_window (Qnil))->buffer))
|
|
|
1672 /* Do this except when the selected window's buffer
|
|
|
1673 is being removed from some other window. */
|
|
|
1674 #endif
|
|
|
1675 /* last_window_start records the start position that this buffer
|
|
|
1676 had in the last window to be disconnected from it.
|
|
|
1677 Now that this statement is unconditional,
|
|
|
1678 it is possible for the buffer to be displayed in the
|
|
|
1679 selected window, while last_window_start reflects another
|
|
|
1680 window which was recently showing the same buffer.
|
|
|
1681 Some people might say that might be a good thing. Let's see. */
|
|
|
1682 XBUFFER (buf)->last_window_start =
|
|
|
1683 marker_position (w->start[CURRENT_DISP]);
|
|
|
1684
|
|
|
1685 /* Point in the selected window's buffer
|
|
|
1686 is actually stored in that buffer, and the window's pointm isn't used.
|
|
|
1687 So don't clobber point in that buffer. */
|
|
|
1688 if (! EQ (buf, XWINDOW (Fselected_window (Qnil))->buffer))
|
|
|
1689 {
|
|
|
1690 struct buffer *b= XBUFFER (buf);
|
|
|
1691 BUF_SET_PT (b, bufpos_clip_to_bounds (BUF_BEGV (b),
|
|
|
1692 marker_position (w->pointm[CURRENT_DISP]),
|
|
|
1693 BUF_ZV (b)));
|
|
|
1694 }
|
|
|
1695 }
|
|
|
1696
|
|
|
1697 /* Put REPLACEMENT into the window structure in place of OLD. */
|
|
|
1698 static void
|
|
|
1699 replace_window (Lisp_Object old, Lisp_Object replacement)
|
|
|
1700 {
|
|
|
1701 Lisp_Object tem;
|
|
|
1702 struct window *o = XWINDOW (old), *p = XWINDOW (replacement);
|
|
|
1703
|
|
|
1704 /* If OLD is its frame's root_window, then replacement is the new
|
|
|
1705 root_window for that frame. */
|
|
|
1706
|
|
|
1707 if (EQ (old, FRAME_ROOT_WINDOW (XFRAME (o->frame))))
|
|
|
1708 FRAME_ROOT_WINDOW (XFRAME (o->frame)) = replacement;
|
|
|
1709
|
|
|
1710 WINDOW_LEFT (p) = WINDOW_LEFT (o);
|
|
|
1711 WINDOW_TOP (p) = WINDOW_TOP (o);
|
|
|
1712 WINDOW_WIDTH (p) = WINDOW_WIDTH (o);
|
|
|
1713 WINDOW_HEIGHT (p) = WINDOW_HEIGHT (o);
|
|
|
1714
|
|
|
1715 p->next = tem = o->next;
|
|
|
1716 if (!NILP (tem))
|
|
|
1717 XWINDOW (tem)->prev = replacement;
|
|
|
1718
|
|
|
1719 p->prev = tem = o->prev;
|
|
|
1720 if (!NILP (tem))
|
|
|
1721 XWINDOW (tem)->next = replacement;
|
|
|
1722
|
|
|
1723 p->parent = tem = o->parent;
|
|
|
1724 if (!NILP (tem))
|
|
|
1725 {
|
|
|
1726 if (EQ (XWINDOW (tem)->vchild, old))
|
|
|
1727 XWINDOW (tem)->vchild = replacement;
|
|
|
1728 if (EQ (XWINDOW (tem)->hchild, old))
|
|
|
1729 XWINDOW (tem)->hchild = replacement;
|
|
|
1730 }
|
|
|
1731
|
|
|
1732 /* #### Here, if replacement is a vertical combination
|
|
|
1733 and so is its new parent, we should make replacement's
|
|
|
1734 children be children of that parent instead. */
|
|
|
1735 }
|
|
|
1736
|
|
|
1737 /* we're deleting W; set the structure of W to indicate this. */
|
|
|
1738
|
|
|
1739 static void
|
|
|
1740 mark_window_as_deleted (struct window *w)
|
|
|
1741 {
|
|
|
1742 /* In the loop
|
|
|
1743 (while t (split-window) (delete-window))
|
|
|
1744 we end up with a tree of deleted windows which are all connected
|
|
|
1745 through the `next' slot. This might not seem so bad, as they're
|
|
|
1746 deleted, and will presumably be GCed - but if even *one* of those
|
|
|
1747 windows is still being pointed to, by the user, or by a window
|
|
|
1748 configuration, then *all* of those windows stick around.
|
|
|
1749
|
|
|
1750 Since the window-configuration code doesn't need any of the
|
|
|
1751 pointers to other windows (they are all recreated from the
|
|
|
1752 window-config data), we set them all to nil so that we
|
|
412
|
1753 are able to collect more actual garbage.
|
|
|
1754 */
|
|
0
|
1755 w->next = Qnil;
|
|
|
1756 w->prev = Qnil;
|
|
|
1757 w->hchild = Qnil;
|
|
|
1758 w->vchild = Qnil;
|
|
|
1759 w->parent = Qnil;
|
|
|
1760
|
|
|
1761 w->dead = 1;
|
|
|
1762
|
|
|
1763 /* Free the extra data structures attached to windows immediately so
|
|
|
1764 they don't sit around consuming excess space. They will be
|
|
|
1765 reinitialized by the window-configuration code as necessary. */
|
|
|
1766 finalize_window ((void *) w, 0);
|
|
|
1767 }
|
|
|
1768
|
|
20
|
1769 DEFUN ("delete-window", Fdelete_window, 0, 2, "", /*
|
|
0
|
1770 Remove WINDOW from the display. Default is selected window.
|
|
|
1771 If window is the only one on the frame, the frame is destroyed.
|
|
|
1772 Normally, you cannot delete the last non-minibuffer-only frame (you must
|
|
|
1773 use `save-buffers-kill-emacs' or `kill-emacs'). However, if optional
|
|
|
1774 second argument FORCE is non-nil, you can delete the last frame. (This
|
|
|
1775 will automatically call `save-buffers-kill-emacs'.)
|
|
20
|
1776 */
|
|
|
1777 (window, force))
|
|
0
|
1778 {
|
|
|
1779 /* This function can GC if this is the only window in the frame */
|
|
|
1780 struct window *w;
|
|
|
1781 Lisp_Object parent;
|
|
|
1782 struct window *par;
|
|
|
1783 Lisp_Object frame;
|
|
|
1784 struct frame *f;
|
|
|
1785 struct device *d;
|
|
|
1786
|
|
|
1787 /* Note: this function is called by other C code on non-leaf
|
|
|
1788 windows. */
|
|
|
1789
|
|
|
1790 /* Do the equivalent of decode_window() but don't error out on
|
|
|
1791 deleted window; it's OK to delete an already-deleted window. */
|
|
|
1792 if (NILP (window))
|
|
|
1793 window = Fselected_window (Qnil);
|
|
|
1794 else
|
|
|
1795 CHECK_WINDOW (window);
|
|
|
1796 w = XWINDOW (window);
|
|
|
1797
|
|
|
1798 /* It's okay to delete an already-deleted window. */
|
|
|
1799 if (! WINDOW_LIVE_P (w))
|
|
|
1800 return Qnil;
|
|
|
1801
|
|
|
1802 frame = WINDOW_FRAME (w);
|
|
|
1803 f = XFRAME (frame);
|
|
|
1804 d = XDEVICE (FRAME_DEVICE (f));
|
|
|
1805
|
|
|
1806 if (TOP_LEVEL_WINDOW_P (w))
|
|
|
1807 {
|
|
|
1808 if (NILP (memq_no_quit (frame, DEVICE_FRAME_LIST (d))))
|
|
|
1809 /* this frame isn't fully initialized yet; don't blow up. */
|
|
|
1810 return Qnil;
|
|
|
1811
|
|
|
1812 if (MINI_WINDOW_P (XWINDOW (window)))
|
|
|
1813 error ("Attempt to delete the minibuffer window");
|
|
|
1814
|
|
|
1815 /* It has been suggested that it's a good thing for C-x 0 to have this
|
|
|
1816 behavior, but not such a good idea for #'delete-window to have it.
|
|
|
1817 Maybe C-x 0 should be bound to something else, or maybe frame
|
|
|
1818 deletion should only happen when this is called interactively.
|
|
|
1819 */
|
|
|
1820 delete_frame_internal (f, !NILP (force), 0, 0);
|
|
|
1821 return Qnil;
|
|
|
1822 }
|
|
|
1823
|
|
|
1824 /* At this point, we know the window has a parent. */
|
|
|
1825 parent = w->parent;
|
|
|
1826 par = XWINDOW (parent);
|
|
|
1827
|
|
|
1828 MARK_FRAME_WINDOWS_STRUCTURE_CHANGED (f);
|
|
|
1829
|
|
|
1830 /* Are we trying to delete any frame's selected window?
|
|
|
1831 Note that we could be dealing with a non-leaf window
|
|
|
1832 where the selected window is one of our children.
|
|
|
1833 So, we check by scanning all the ancestors of the
|
|
|
1834 frame's selected window and comparing each one with
|
|
|
1835 WINDOW. */
|
|
|
1836 {
|
|
|
1837 Lisp_Object pwindow;
|
|
185
|
1838
|
|
0
|
1839 pwindow = FRAME_SELECTED_WINDOW (f);
|
|
185
|
1840
|
|
0
|
1841 while (!NILP (pwindow))
|
|
|
1842 {
|
|
|
1843 if (EQ (window, pwindow))
|
|
|
1844 break;
|
|
|
1845 pwindow = XWINDOW (pwindow)->parent;
|
|
|
1846 }
|
|
|
1847
|
|
|
1848 if (EQ (window, pwindow))
|
|
|
1849 {
|
|
|
1850 /* OK, we found it. */
|
|
|
1851 Lisp_Object alternative;
|
|
|
1852 alternative = Fnext_window (window, Qlambda, Qnil, Qnil);
|
|
185
|
1853
|
|
0
|
1854 /* If we're about to delete the selected window on the
|
|
|
1855 selected frame, then we should use Fselect_window to select
|
|
|
1856 the new window. On the other hand, if we're about to
|
|
|
1857 delete the selected window on any other frame, we shouldn't do
|
|
|
1858 anything but set the frame's selected_window slot. */
|
|
|
1859 if (EQ (frame, Fselected_frame (Qnil)))
|
|
282
|
1860 Fselect_window (alternative, Qnil);
|
|
0
|
1861 else
|
|
|
1862 set_frame_selected_window (f, alternative);
|
|
|
1863 }
|
|
|
1864 }
|
|
|
1865
|
|
|
1866 /* w->buffer is nil in a non-leaf window; in this case,
|
|
|
1867 get rid of the markers we maintain that point into that buffer. */
|
|
|
1868 if (!NILP (w->buffer))
|
|
|
1869 {
|
|
|
1870 unshow_buffer (w);
|
|
|
1871 unchain_marker (w->pointm[CURRENT_DISP]);
|
|
|
1872 unchain_marker (w->pointm[DESIRED_DISP]);
|
|
|
1873 unchain_marker (w->pointm[CMOTION_DISP]);
|
|
|
1874 unchain_marker (w->start[CURRENT_DISP]);
|
|
|
1875 unchain_marker (w->start[DESIRED_DISP]);
|
|
|
1876 unchain_marker (w->start[CMOTION_DISP]);
|
|
|
1877 unchain_marker (w->sb_point);
|
|
|
1878 /* This breaks set-window-configuration if windows in the saved
|
|
|
1879 configuration get deleted and multiple frames are in use. */
|
|
|
1880 /* w->buffer = Qnil; */
|
|
|
1881 }
|
|
185
|
1882
|
|
0
|
1883 /* close up the hole in the sibling list */
|
|
|
1884 if (!NILP (w->next))
|
|
|
1885 XWINDOW (w->next)->prev = w->prev;
|
|
|
1886 if (!NILP (w->prev))
|
|
|
1887 XWINDOW (w->prev)->next = w->next;
|
|
|
1888 if (EQ (window, par->hchild))
|
|
|
1889 par->hchild = w->next;
|
|
|
1890 if (EQ (window, par->vchild))
|
|
|
1891 par->vchild = w->next;
|
|
|
1892
|
|
|
1893 /* Find one of our siblings to give our space to. */
|
|
|
1894 {
|
|
|
1895 Lisp_Object sib = w->prev;
|
|
|
1896 if (NILP (sib))
|
|
|
1897 {
|
|
|
1898 /* If w gives its space to its next sibling, that sibling needs
|
|
|
1899 to have its top/left side pulled back to where w's is.
|
|
|
1900 set_window_{height,width} will re-position the sibling's
|
|
|
1901 children. */
|
|
|
1902 sib = w->next;
|
|
|
1903 WINDOW_TOP (XWINDOW (sib)) = WINDOW_TOP (w);
|
|
|
1904 WINDOW_LEFT (XWINDOW (sib)) = WINDOW_LEFT (w);
|
|
|
1905 }
|
|
185
|
1906
|
|
0
|
1907 /* Stretch that sibling. */
|
|
|
1908 if (!NILP (par->vchild))
|
|
|
1909 set_window_pixheight
|
|
|
1910 (sib, (WINDOW_HEIGHT (XWINDOW (sib)) + WINDOW_HEIGHT (w)), 1);
|
|
|
1911 if (!NILP (par->hchild))
|
|
|
1912 set_window_pixwidth
|
|
|
1913 (sib, (WINDOW_WIDTH (XWINDOW (sib)) + WINDOW_WIDTH (w)), 1);
|
|
|
1914 }
|
|
|
1915
|
|
|
1916 /* If parent now has only one child,
|
|
|
1917 put the child into the parent's place. */
|
|
|
1918 {
|
|
|
1919 Lisp_Object parchild = par->hchild;
|
|
|
1920 if (NILP (parchild))
|
|
|
1921 parchild = par->vchild;
|
|
|
1922 if (NILP (XWINDOW (parchild)->next))
|
|
|
1923 {
|
|
|
1924 replace_window (parent, parchild);
|
|
|
1925 mark_window_as_deleted (XWINDOW (parent));
|
|
|
1926 }
|
|
|
1927 }
|
|
|
1928
|
|
|
1929 /* Since we may be deleting combination windows, we must make sure that
|
|
|
1930 not only W but all its children have been marked as deleted. */
|
|
|
1931 if (!NILP (w->hchild))
|
|
|
1932 delete_all_subwindows (XWINDOW (w->hchild));
|
|
|
1933 else if (!NILP (w->vchild))
|
|
|
1934 delete_all_subwindows (XWINDOW (w->vchild));
|
|
|
1935
|
|
|
1936 mark_window_as_deleted (w);
|
|
|
1937
|
|
|
1938 f->mirror_dirty = 1;
|
|
|
1939 return Qnil;
|
|
|
1940 }
|
|
|
1941
|
|
|
1942
|
|
20
|
1943 DEFUN ("next-window", Fnext_window, 0, 4, 0, /*
|
|
371
|
1944 Return next window after WINDOW in canonical ordering of windows.
|
|
0
|
1945 If omitted, WINDOW defaults to the selected window.
|
|
|
1946
|
|
|
1947 Optional second arg MINIBUF t means count the minibuffer window even
|
|
|
1948 if not active. MINIBUF nil or omitted means count the minibuffer iff
|
|
|
1949 it is active. MINIBUF neither t nor nil means not to count the
|
|
|
1950 minibuffer even if it is active.
|
|
|
1951
|
|
|
1952 Several frames may share a single minibuffer; if the minibuffer
|
|
|
1953 counts, all windows on all frames that share that minibuffer count
|
|
|
1954 too. Therefore, `next-window' can be used to iterate through the
|
|
|
1955 set of windows even when the minibuffer is on another frame. If the
|
|
|
1956 minibuffer does not count, only windows from WINDOW's frame count.
|
|
|
1957
|
|
|
1958 Optional third arg ALL-FRAMES t means include windows on all frames.
|
|
|
1959 ALL-FRAMES nil or omitted means cycle within the frames as specified
|
|
|
1960 above. ALL-FRAMES = `visible' means include windows on all visible frames.
|
|
|
1961 ALL-FRAMES = 0 means include windows on all visible and iconified frames.
|
|
|
1962 If ALL-FRAMES is a frame, restrict search to windows on that frame.
|
|
|
1963 Anything else means restrict to WINDOW's frame.
|
|
|
1964
|
|
371
|
1965 Optional fourth argument CONSOLE controls which consoles or devices the
|
|
0
|
1966 returned window may be on. If CONSOLE is a console, return windows only
|
|
|
1967 on that console. If CONSOLE is a device, return windows only on that
|
|
|
1968 device. If CONSOLE is a console type, return windows only on consoles
|
|
|
1969 of that type. If CONSOLE is 'window-system, return any windows on any
|
|
|
1970 window-system consoles. If CONSOLE is nil or omitted, return windows only
|
|
|
1971 on WINDOW's console. Otherwise, all windows are considered.
|
|
|
1972
|
|
|
1973 If you use consistent values for MINIBUF, ALL-FRAMES, and CONSOLE, you
|
|
|
1974 can use `next-window' to iterate through the entire cycle of acceptable
|
|
|
1975 windows, eventually ending up back at the window you started with.
|
|
|
1976 `previous-window' traverses the same cycle, in the reverse order.
|
|
20
|
1977 */
|
|
70
|
1978 (window, minibuf, all_frames, console))
|
|
0
|
1979 {
|
|
|
1980 Lisp_Object tem;
|
|
|
1981 Lisp_Object start_window;
|
|
|
1982
|
|
|
1983 if (NILP (window))
|
|
|
1984 window = Fselected_window (Qnil);
|
|
|
1985 else
|
|
|
1986 CHECK_LIVE_WINDOW (window);
|
|
|
1987
|
|
|
1988 start_window = window;
|
|
|
1989
|
|
|
1990 /* minibuf == nil may or may not include minibuffers.
|
|
|
1991 Decide if it does. */
|
|
|
1992 if (NILP (minibuf))
|
|
|
1993 minibuf = (minibuf_level ? minibuf_window : Qlambda);
|
|
|
1994 else if (! EQ (minibuf, Qt))
|
|
|
1995 minibuf = Qlambda;
|
|
371
|
1996 /* Now minibuf can be t => count all minibuffer windows,
|
|
|
1997 lambda => count none of them,
|
|
0
|
1998 or a specific minibuffer window (the active one) to count. */
|
|
|
1999
|
|
|
2000 /* all_frames == nil doesn't specify which frames to include. */
|
|
|
2001 if (NILP (all_frames))
|
|
|
2002 all_frames = (! EQ (minibuf, Qlambda)
|
|
|
2003 ? (FRAME_MINIBUF_WINDOW
|
|
|
2004 (XFRAME
|
|
|
2005 (WINDOW_FRAME
|
|
|
2006 (XWINDOW (window)))))
|
|
|
2007 : Qnil);
|
|
|
2008 else if (EQ (all_frames, Qvisible))
|
|
|
2009 ;
|
|
|
2010 else if (ZEROP (all_frames))
|
|
|
2011 ;
|
|
|
2012 else if (FRAMEP (all_frames) && ! EQ (all_frames, Fwindow_frame (window)))
|
|
|
2013 /* If all_frames is a frame and window arg isn't on that frame, just
|
|
|
2014 return the first window on the frame. */
|
|
|
2015 return frame_first_window (XFRAME (all_frames));
|
|
|
2016 else if (! EQ (all_frames, Qt))
|
|
|
2017 all_frames = Qnil;
|
|
371
|
2018 /* Now all_frames is t meaning search all frames,
|
|
|
2019 nil meaning search just current frame,
|
|
|
2020 visible meaning search just visible frames,
|
|
|
2021 0 meaning search visible and iconified frames,
|
|
|
2022 or a window, meaning search the frame that window belongs to. */
|
|
0
|
2023
|
|
|
2024 /* Do this loop at least once, to get the next window, and perhaps
|
|
|
2025 again, if we hit the minibuffer and that is not acceptable. */
|
|
|
2026 do
|
|
|
2027 {
|
|
|
2028 /* Find a window that actually has a next one. This loop
|
|
|
2029 climbs up the tree. */
|
|
|
2030 while (tem = XWINDOW (window)->next, NILP (tem))
|
|
|
2031 if (tem = XWINDOW (window)->parent, !NILP (tem))
|
|
|
2032 window = tem;
|
|
|
2033 else /* window must be minibuffer window now */
|
|
|
2034 {
|
|
|
2035 /* We've reached the end of this frame.
|
|
|
2036 Which other frames are acceptable? */
|
|
|
2037 tem = WINDOW_FRAME (XWINDOW (window));
|
|
|
2038
|
|
|
2039 if (! NILP (all_frames))
|
|
|
2040 {
|
|
371
|
2041 Lisp_Object tem1;
|
|
|
2042
|
|
|
2043 tem1 = tem;
|
|
0
|
2044 tem = next_frame (tem, all_frames, console);
|
|
|
2045 /* In the case where the minibuffer is active,
|
|
|
2046 and we include its frame as well as the selected one,
|
|
|
2047 next_frame may get stuck in that frame.
|
|
|
2048 If that happens, go back to the selected frame
|
|
|
2049 so we can complete the cycle. */
|
|
|
2050 if (EQ (tem, tem1))
|
|
|
2051 XSETFRAME (tem, selected_frame ());
|
|
|
2052 }
|
|
|
2053
|
|
|
2054 tem = FRAME_ROOT_WINDOW (XFRAME (tem));
|
|
|
2055 break;
|
|
|
2056 }
|
|
|
2057
|
|
|
2058 window = tem;
|
|
|
2059
|
|
|
2060 /* If we're in a combination window, find its first child and
|
|
|
2061 recurse on that. Otherwise, we've found the window we want. */
|
|
|
2062 while (1)
|
|
|
2063 {
|
|
|
2064 if (!NILP (XWINDOW (window)->hchild))
|
|
|
2065 window = XWINDOW (window)->hchild;
|
|
|
2066 else if (!NILP (XWINDOW (window)->vchild))
|
|
|
2067 window = XWINDOW (window)->vchild;
|
|
|
2068 else break;
|
|
|
2069 }
|
|
|
2070 }
|
|
371
|
2071 /* "acceptable" is the correct spelling. */
|
|
0
|
2072 /* Which windows are acceptable?
|
|
|
2073 Exit the loop and accept this window if
|
|
|
2074 this isn't a minibuffer window,
|
|
|
2075 or we're accepting all minibuffer windows,
|
|
|
2076 or this is the active minibuffer and we are accepting that one, or
|
|
|
2077 we've come all the way around and we're back at the original window. */
|
|
|
2078 while (MINI_WINDOW_P (XWINDOW (window))
|
|
|
2079 && ! EQ (minibuf, Qt)
|
|
|
2080 && ! EQ (minibuf, window)
|
|
|
2081 && ! EQ (window, start_window));
|
|
|
2082
|
|
|
2083 return window;
|
|
|
2084 }
|
|
|
2085
|
|
20
|
2086 DEFUN ("previous-window", Fprevious_window, 0, 4, 0, /*
|
|
371
|
2087 Return the window preceding WINDOW in canonical ordering of windows.
|
|
0
|
2088 If omitted, WINDOW defaults to the selected window.
|
|
|
2089
|
|
|
2090 Optional second arg MINIBUF t means count the minibuffer window even
|
|
|
2091 if not active. MINIBUF nil or omitted means count the minibuffer iff
|
|
|
2092 it is active. MINIBUF neither t nor nil means not to count the
|
|
|
2093 minibuffer even if it is active.
|
|
|
2094
|
|
|
2095 Several frames may share a single minibuffer; if the minibuffer
|
|
|
2096 counts, all windows on all frames that share that minibuffer count
|
|
|
2097 too. Therefore, `previous-window' can be used to iterate through
|
|
|
2098 the set of windows even when the minibuffer is on another frame. If
|
|
371
|
2099 the minibuffer does not count, only windows from WINDOW's frame count
|
|
|
2100
|
|
|
2101 If optional third arg ALL-FRAMES t means include windows on all frames.
|
|
0
|
2102 ALL-FRAMES nil or omitted means cycle within the frames as specified
|
|
|
2103 above. ALL-FRAMES = `visible' means include windows on all visible frames.
|
|
|
2104 ALL-FRAMES = 0 means include windows on all visible and iconified frames.
|
|
|
2105 If ALL-FRAMES is a frame, restrict search to windows on that frame.
|
|
|
2106 Anything else means restrict to WINDOW's frame.
|
|
|
2107
|
|
371
|
2108 Optional fourth argument CONSOLE controls which consoles or devices the
|
|
0
|
2109 returned window may be on. If CONSOLE is a console, return windows only
|
|
|
2110 on that console. If CONSOLE is a device, return windows only on that
|
|
|
2111 device. If CONSOLE is a console type, return windows only on consoles
|
|
|
2112 of that type. If CONSOLE is 'window-system, return any windows on any
|
|
|
2113 window-system consoles. If CONSOLE is nil or omitted, return windows only
|
|
|
2114 on WINDOW's console. Otherwise, all windows are considered.
|
|
|
2115
|
|
|
2116 If you use consistent values for MINIBUF, ALL-FRAMES, and CONSOLE, you
|
|
|
2117 can use `previous-window' to iterate through the entire cycle of acceptable
|
|
|
2118 windows, eventually ending up back at the window you started with.
|
|
|
2119 `next-window' traverses the same cycle, in the reverse order.
|
|
20
|
2120 */
|
|
70
|
2121 (window, minibuf, all_frames, console))
|
|
0
|
2122 {
|
|
|
2123 Lisp_Object tem;
|
|
|
2124 Lisp_Object start_window;
|
|
|
2125
|
|
|
2126 if (NILP (window))
|
|
|
2127 window = Fselected_window (Qnil);
|
|
|
2128 else
|
|
|
2129 CHECK_LIVE_WINDOW (window);
|
|
|
2130
|
|
|
2131 start_window = window;
|
|
|
2132
|
|
|
2133 /* minibuf == nil may or may not include minibuffers.
|
|
|
2134 Decide if it does. */
|
|
|
2135 if (NILP (minibuf))
|
|
|
2136 minibuf = (minibuf_level ? minibuf_window : Qlambda);
|
|
|
2137 else if (! EQ (minibuf, Qt))
|
|
|
2138 minibuf = Qlambda;
|
|
371
|
2139 /* Now minibuf can be t => count all minibuffer windows,
|
|
|
2140 lambda => count none of them,
|
|
0
|
2141 or a specific minibuffer window (the active one) to count. */
|
|
|
2142
|
|
|
2143 /* all_frames == nil doesn't specify which frames to include.
|
|
|
2144 Decide which frames it includes. */
|
|
|
2145 if (NILP (all_frames))
|
|
|
2146 all_frames = (! EQ (minibuf, Qlambda)
|
|
|
2147 ? (FRAME_MINIBUF_WINDOW
|
|
|
2148 (XFRAME
|
|
|
2149 (WINDOW_FRAME
|
|
|
2150 (XWINDOW (window)))))
|
|
|
2151 : Qnil);
|
|
|
2152 else if (EQ (all_frames, Qvisible))
|
|
|
2153 ;
|
|
|
2154 else if (ZEROP (all_frames))
|
|
|
2155 ;
|
|
|
2156 else if (FRAMEP (all_frames) && ! EQ (all_frames, Fwindow_frame (window)))
|
|
|
2157 /* If all_frames is a frame and window arg isn't on that frame, just
|
|
|
2158 return the first window on the frame. */
|
|
|
2159 return frame_first_window (XFRAME (all_frames));
|
|
|
2160 else if (! EQ (all_frames, Qt))
|
|
|
2161 all_frames = Qnil;
|
|
371
|
2162 /* Now all_frames is t meaning search all frames,
|
|
|
2163 nil meaning search just current frame,
|
|
|
2164 visible meaning search just visible frames,
|
|
|
2165 0 meaning search visible and iconified frames,
|
|
|
2166 or a window, meaning search the frame that window belongs to. */
|
|
0
|
2167
|
|
|
2168 /* Do this loop at least once, to get the next window, and perhaps
|
|
|
2169 again, if we hit the minibuffer and that is not acceptable. */
|
|
|
2170 do
|
|
|
2171 {
|
|
|
2172 /* Find a window that actually has a next one. This loop
|
|
|
2173 climbs up the tree. */
|
|
|
2174 while (tem = XWINDOW (window)->prev, NILP (tem))
|
|
|
2175 if (tem = XWINDOW (window)->parent, !NILP (tem))
|
|
|
2176 window = tem;
|
|
|
2177 else /* window must be minibuffer window now */
|
|
|
2178 {
|
|
|
2179 /* We have found the top window on the frame.
|
|
|
2180 Which frames are acceptable? */
|
|
|
2181 tem = WINDOW_FRAME (XWINDOW (window));
|
|
|
2182
|
|
|
2183 if (! NILP (all_frames))
|
|
371
|
2184 /* It's actually important that we use prev_frame here,
|
|
0
|
2185 rather than next_frame. All the windows acceptable
|
|
|
2186 according to the given parameters should form a ring;
|
|
|
2187 Fnext_window and Fprevious_window should go back and
|
|
|
2188 forth around the ring. If we use next_frame here,
|
|
|
2189 then Fnext_window and Fprevious_window take different
|
|
|
2190 paths through the set of acceptable windows.
|
|
|
2191 window_loop assumes that these `ring' requirement are
|
|
|
2192 met. */
|
|
|
2193 {
|
|
371
|
2194 Lisp_Object tem1;
|
|
|
2195
|
|
|
2196 tem1 = tem;
|
|
|
2197 tem = prev_frame (tem, all_frames, console);
|
|
0
|
2198 /* In the case where the minibuffer is active,
|
|
|
2199 and we include its frame as well as the selected one,
|
|
|
2200 next_frame may get stuck in that frame.
|
|
|
2201 If that happens, go back to the selected frame
|
|
|
2202 so we can complete the cycle. */
|
|
|
2203 if (EQ (tem, tem1))
|
|
|
2204 XSETFRAME (tem, selected_frame ());
|
|
|
2205 }
|
|
|
2206
|
|
|
2207 /* If this frame has a minibuffer, find that window first,
|
|
|
2208 because it is conceptually the last window in that frame. */
|
|
|
2209 if (FRAME_HAS_MINIBUF_P (XFRAME (tem)))
|
|
|
2210 tem = FRAME_MINIBUF_WINDOW (XFRAME (tem));
|
|
|
2211 else
|
|
|
2212 tem = FRAME_ROOT_WINDOW (XFRAME (tem));
|
|
|
2213
|
|
|
2214 break;
|
|
|
2215 }
|
|
|
2216
|
|
|
2217 window = tem;
|
|
|
2218
|
|
|
2219 /* If we're in a combination window, find its first child and
|
|
|
2220 recurse on that. Otherwise, we've found the window we want. */
|
|
|
2221 while (1)
|
|
|
2222 {
|
|
|
2223 if (!NILP (XWINDOW (window)->hchild))
|
|
|
2224 window = XWINDOW (window)->hchild;
|
|
|
2225 else if (!NILP (XWINDOW (window)->vchild))
|
|
|
2226 window = XWINDOW (window)->vchild;
|
|
|
2227 else break;
|
|
|
2228 while (tem = XWINDOW (window)->next, !NILP (tem))
|
|
|
2229 window = tem;
|
|
|
2230 }
|
|
|
2231 }
|
|
|
2232 /* Which windows are acceptable?
|
|
|
2233 Exit the loop and accept this window if
|
|
|
2234 this isn't a minibuffer window,
|
|
|
2235 or we're accepting all minibuffer windows,
|
|
|
2236 or this is the active minibuffer and we are accepting that one, or
|
|
|
2237 we've come all the way around and we're back at the original window. */
|
|
|
2238 while (MINI_WINDOW_P (XWINDOW (window))
|
|
|
2239 && ! EQ (minibuf, Qt)
|
|
|
2240 && ! EQ (minibuf, window)
|
|
|
2241 && ! EQ (window, start_window));
|
|
|
2242
|
|
|
2243 return window;
|
|
|
2244 }
|
|
|
2245
|
|
20
|
2246 DEFUN ("next-vertical-window", Fnext_vertical_window, 0, 1, 0, /*
|
|
0
|
2247 Return the next window which is vertically after WINDOW.
|
|
20
|
2248 */
|
|
|
2249 (window))
|
|
0
|
2250 {
|
|
|
2251 Lisp_Object root;
|
|
|
2252 struct window *w = decode_window (window);
|
|
|
2253 XSETWINDOW (window, w);
|
|
|
2254
|
|
|
2255 if (MINI_WINDOW_P (XWINDOW (window)))
|
|
|
2256 return Qnil;
|
|
|
2257
|
|
|
2258 root = FRAME_ROOT_WINDOW (XFRAME (WINDOW_FRAME (XWINDOW (window))));
|
|
|
2259
|
|
|
2260 if (EQ (window, root))
|
|
|
2261 {
|
|
|
2262 while (1)
|
|
|
2263 if (!NILP (XWINDOW (window)->hchild))
|
|
|
2264 window = XWINDOW (window)->hchild;
|
|
|
2265 else if (!NILP (XWINDOW (window)->vchild))
|
|
|
2266 window = XWINDOW (window)->vchild;
|
|
|
2267 else
|
|
|
2268 return window;
|
|
|
2269 }
|
|
|
2270
|
|
|
2271 do
|
|
|
2272 {
|
|
|
2273 if (!NILP (XWINDOW (window)->parent) &&
|
|
|
2274 !NILP (XWINDOW (XWINDOW (window)->parent)->vchild))
|
|
|
2275 {
|
|
|
2276 if (!NILP (XWINDOW (window)->next))
|
|
|
2277 return XWINDOW (window)->next;
|
|
|
2278 else
|
|
|
2279 window = XWINDOW (window)->parent;
|
|
|
2280 }
|
|
|
2281 else
|
|
|
2282 window = XWINDOW (window)->parent;
|
|
|
2283 }
|
|
|
2284 while (!EQ (window, root));
|
|
|
2285
|
|
|
2286 while (1)
|
|
|
2287 if (!NILP (XWINDOW (window)->hchild))
|
|
|
2288 window = XWINDOW (window)->hchild;
|
|
|
2289 else if (!NILP (XWINDOW (window)->vchild))
|
|
|
2290 window = XWINDOW (window)->vchild;
|
|
|
2291 else
|
|
|
2292 return window;
|
|
|
2293 }
|
|
|
2294
|
|
20
|
2295 DEFUN ("other-window", Fother_window, 1, 3, "p", /*
|
|
0
|
2296 Select the N'th different window on this frame.
|
|
|
2297 All windows on current frame are arranged in a cyclic order.
|
|
|
2298 This command selects the window N steps away in that order.
|
|
|
2299 A negative N moves in the opposite order.
|
|
|
2300
|
|
|
2301 If optional argument FRAME is `visible', search all visible frames.
|
|
|
2302 If FRAME is 0, search all visible and iconified frames.
|
|
|
2303 If FRAME is t, search all frames.
|
|
|
2304 If FRAME is nil, search only the selected frame.
|
|
|
2305 If FRAME is a frame, search only that frame.
|
|
|
2306
|
|
|
2307 Optional third argument CONSOLE controls which consoles or devices the
|
|
|
2308 returned window may be on. If CONSOLE is a console, return windows only
|
|
|
2309 on that console. If CONSOLE is a device, return windows only on that
|
|
|
2310 device. If CONSOLE is a console type, return windows only on consoles
|
|
|
2311 of that type. If CONSOLE is 'window-system, return any windows on any
|
|
|
2312 window-system consoles. If CONSOLE is nil or omitted, return windows only
|
|
|
2313 on FRAME'S console, or on the selected console if FRAME is not a frame.
|
|
|
2314 Otherwise, all windows are considered.
|
|
20
|
2315 */
|
|
|
2316 (n, frame, console))
|
|
0
|
2317 {
|
|
|
2318 int i;
|
|
|
2319 Lisp_Object w;
|
|
|
2320
|
|
|
2321 CHECK_INT (n);
|
|
|
2322 w = Fselected_window (Qnil);
|
|
|
2323 i = XINT (n);
|
|
|
2324
|
|
|
2325 while (i > 0)
|
|
|
2326 {
|
|
|
2327 w = Fnext_window (w, Qnil, frame, console);
|
|
|
2328 i--;
|
|
|
2329 }
|
|
|
2330 while (i < 0)
|
|
|
2331 {
|
|
|
2332 w = Fprevious_window (w, Qnil, frame, console);
|
|
|
2333 i++;
|
|
|
2334 }
|
|
282
|
2335 Fselect_window (w, Qnil);
|
|
0
|
2336 return Qnil;
|
|
|
2337 }
|
|
|
2338
|
|
|
2339
|
|
|
2340 /* Look at all windows, performing an operation specified by TYPE
|
|
|
2341 with argument OBJ.
|
|
|
2342
|
|
|
2343 If FRAMES is Qt, look at all frames, if Qnil, look at just the selected
|
|
|
2344 frame. If FRAMES is a frame, just look at windows on that frame.
|
|
|
2345 If MINI is non-zero, perform the operation on minibuffer windows too.
|
|
|
2346 */
|
|
|
2347
|
|
|
2348 enum window_loop
|
|
|
2349 {
|
|
|
2350 WINDOW_LOOP_UNUSED,
|
|
|
2351 GET_BUFFER_WINDOW, /* Arg is buffer */
|
|
|
2352 GET_LRU_WINDOW, /* Arg is t for full-width windows only */
|
|
|
2353 DELETE_OTHER_WINDOWS, /* Arg is window not to delete */
|
|
|
2354 DELETE_BUFFER_WINDOWS, /* Arg is buffer */
|
|
|
2355 GET_LARGEST_WINDOW,
|
|
|
2356 UNSHOW_BUFFER, /* Arg is buffer */
|
|
|
2357 GET_BUFFER_WINDOW_COUNT, /* Arg is buffer */
|
|
|
2358 GET_BUFFER_MRU_WINDOW /* Arg is buffer */
|
|
|
2359 };
|
|
|
2360
|
|
|
2361 static Lisp_Object
|
|
|
2362 window_loop (enum window_loop type,
|
|
185
|
2363 Lisp_Object obj,
|
|
0
|
2364 int mini,
|
|
|
2365 Lisp_Object frames,
|
|
|
2366 int dedicated_too,
|
|
|
2367 Lisp_Object console)
|
|
|
2368 {
|
|
|
2369 /* This function can GC if type == DELETE_BUFFER_WINDOWS or UNSHOW_BUFFER */
|
|
|
2370 Lisp_Object w;
|
|
|
2371 Lisp_Object best_window = Qnil;
|
|
|
2372 Lisp_Object next_window;
|
|
|
2373 Lisp_Object last_window;
|
|
|
2374 struct frame *frame;
|
|
|
2375 Lisp_Object frame_arg = Qt;
|
|
|
2376 int count = 0; /* for GET_BUFFER_WINDOW_COUNT */
|
|
|
2377 /* #### I think the change of "precomputing" last_window and next_window
|
|
|
2378 * #### catch the lossage this is meant(?) to punt on...
|
|
|
2379 */
|
|
185
|
2380 int lose_lose = 0;
|
|
0
|
2381 Lisp_Object devcons, concons;
|
|
|
2382
|
|
371
|
2383 /* FRAME_ARG is Qlambda to stick to one frame,
|
|
|
2384 Qvisible to consider all visible frames,
|
|
|
2385 or Qt otherwise. */
|
|
|
2386
|
|
0
|
2387 /* If we're only looping through windows on a particular frame,
|
|
|
2388 FRAME points to that frame. If we're looping through windows
|
|
|
2389 on all frames, FRAME is 0. */
|
|
371
|
2390
|
|
0
|
2391 if (FRAMEP (frames))
|
|
|
2392 frame = XFRAME (frames);
|
|
|
2393 else if (NILP (frames))
|
|
|
2394 frame = selected_frame ();
|
|
|
2395 else
|
|
|
2396 frame = 0;
|
|
|
2397 if (frame)
|
|
|
2398 frame_arg = Qlambda;
|
|
|
2399 else if (ZEROP (frames))
|
|
|
2400 frame_arg = frames;
|
|
|
2401 else if (EQ (frames, Qvisible))
|
|
|
2402 frame_arg = frames;
|
|
185
|
2403
|
|
0
|
2404 DEVICE_LOOP_NO_BREAK (devcons, concons)
|
|
|
2405 {
|
|
|
2406 Lisp_Object device = XCAR (devcons);
|
|
272
|
2407 Lisp_Object the_frame;
|
|
0
|
2408
|
|
|
2409 if (frame)
|
|
|
2410 XSETFRAME (the_frame, frame);
|
|
|
2411 else
|
|
|
2412 the_frame = DEVICE_SELECTED_FRAME (XDEVICE (device));
|
|
|
2413
|
|
|
2414 if (NILP (the_frame))
|
|
|
2415 continue;
|
|
|
2416
|
|
371
|
2417 if (!device_matches_console_spec (the_frame, device, console))
|
|
0
|
2418 continue;
|
|
|
2419
|
|
|
2420 /* Pick a window to start with. */
|
|
|
2421 if (WINDOWP (obj))
|
|
|
2422 w = obj;
|
|
|
2423 else
|
|
|
2424 w = FRAME_SELECTED_WINDOW (XFRAME (the_frame));
|
|
|
2425
|
|
|
2426 /* Figure out the last window we're going to mess with. Since
|
|
|
2427 Fnext_window, given the same options, is guaranteed to go in a
|
|
|
2428 ring, we can just use Fprevious_window to find the last one.
|
|
|
2429
|
|
|
2430 We can't just wait until we hit the first window again,
|
|
|
2431 because it might be deleted. */
|
|
|
2432
|
|
|
2433 last_window = Fprevious_window (w, mini ? Qt : Qnil, frame_arg, Qt);
|
|
|
2434
|
|
|
2435 best_window = Qnil;
|
|
|
2436 for (;;)
|
|
|
2437 {
|
|
|
2438 struct window *p = XWINDOW (w);
|
|
|
2439 struct frame *w_frame = XFRAME (WINDOW_FRAME (p));
|
|
|
2440
|
|
|
2441 /* Pick the next window now, since some operations will delete
|
|
|
2442 the current window. */
|
|
371
|
2443 next_window = Fnext_window (w, mini ? Qt : Qnil, frame_arg, Qt);
|
|
0
|
2444
|
|
|
2445 /* #### Still needed ?? */
|
|
185
|
2446 /* Given the outstanding quality of the rest of this code,
|
|
0
|
2447 I feel no shame about putting this piece of shit in. */
|
|
|
2448 if (++lose_lose >= 500)
|
|
|
2449 return Qnil;
|
|
|
2450
|
|
|
2451 /* Note that we do not pay attention here to whether
|
|
|
2452 the frame is visible, since Fnext_window skips non-visible frames
|
|
|
2453 if that is desired, under the control of frame_arg. */
|
|
|
2454 if (! MINI_WINDOW_P (p)
|
|
|
2455 || (mini && minibuf_level > 0))
|
|
|
2456 switch (type)
|
|
|
2457 {
|
|
|
2458 case GET_BUFFER_WINDOW:
|
|
|
2459 {
|
|
|
2460 if (XBUFFER (p->buffer) == XBUFFER (obj))
|
|
|
2461 return w;
|
|
|
2462 break;
|
|
|
2463 }
|
|
|
2464
|
|
|
2465 case GET_BUFFER_WINDOW_COUNT:
|
|
|
2466 {
|
|
|
2467 if (XBUFFER (p->buffer) == XBUFFER (obj))
|
|
|
2468 count++;
|
|
|
2469 break;
|
|
|
2470 }
|
|
|
2471
|
|
|
2472 case GET_LRU_WINDOW:
|
|
|
2473 {
|
|
|
2474 /* t as arg means consider only full-width windows */
|
|
|
2475 if (!NILP (obj)
|
|
|
2476 && !window_full_width_p (p))
|
|
|
2477 break;
|
|
|
2478 /* Ignore dedicated windows and minibuffers. */
|
|
|
2479 if (MINI_WINDOW_P (p)
|
|
|
2480 || (dedicated_too ? 0 : !NILP (p->dedicated)))
|
|
|
2481 break;
|
|
|
2482 if (NILP (best_window)
|
|
|
2483 || (XINT (XWINDOW (best_window)->use_time)
|
|
|
2484 > XINT (p->use_time)))
|
|
|
2485 best_window = w;
|
|
|
2486 break;
|
|
|
2487 }
|
|
|
2488
|
|
|
2489 case GET_BUFFER_MRU_WINDOW:
|
|
|
2490 {
|
|
|
2491 /* #### what about the first check in GET_LRU_WINDOW? */
|
|
|
2492 /* Ignore dedicated windows and minibuffers. */
|
|
|
2493 if (MINI_WINDOW_P (p)
|
|
|
2494 || (dedicated_too ? 0 : !NILP (p->dedicated)))
|
|
|
2495 break;
|
|
|
2496
|
|
|
2497 if (XBUFFER (p->buffer) == XBUFFER (obj))
|
|
|
2498 {
|
|
|
2499 if (NILP (best_window)
|
|
|
2500 || (XINT (XWINDOW (best_window)->use_time)
|
|
|
2501 < XINT (p->use_time)))
|
|
|
2502 best_window = w;
|
|
|
2503 }
|
|
|
2504 break;
|
|
|
2505 }
|
|
|
2506
|
|
|
2507 case DELETE_OTHER_WINDOWS:
|
|
|
2508 {
|
|
|
2509 /* Don't delete the last window on a frame; this can
|
|
|
2510 happen when the minibuffer is selected, and would
|
|
|
2511 cause the frame to be deleted. */
|
|
|
2512 if (p != XWINDOW (obj) && !TOP_LEVEL_WINDOW_P (XWINDOW (w)))
|
|
|
2513 Fdelete_window (w, Qnil);
|
|
|
2514 break;
|
|
|
2515 }
|
|
|
2516
|
|
|
2517 case DELETE_BUFFER_WINDOWS:
|
|
|
2518 {
|
|
|
2519 if (EQ (p->buffer, obj))
|
|
|
2520 {
|
|
|
2521 struct frame *f = XFRAME (WINDOW_FRAME (p));
|
|
|
2522
|
|
|
2523 /* If this window is dedicated, and in a frame
|
|
|
2524 of its own, kill the frame. */
|
|
|
2525 if (EQ (w, FRAME_ROOT_WINDOW (f))
|
|
|
2526 && !NILP (p->dedicated)
|
|
|
2527 && other_visible_frames (f))
|
|
|
2528 {
|
|
|
2529 /* Skip the other windows on this frame.
|
|
|
2530 There might be one, the minibuffer! */
|
|
|
2531 if (! EQ (w, last_window))
|
|
|
2532 while (f == XFRAME (WINDOW_FRAME
|
|
|
2533 (XWINDOW (next_window))))
|
|
|
2534 {
|
|
|
2535 /* As we go, check for the end of the
|
|
|
2536 loop. We mustn't start going
|
|
|
2537 around a second time. */
|
|
|
2538 if (EQ (next_window, last_window))
|
|
|
2539 {
|
|
|
2540 last_window = w;
|
|
|
2541 break;
|
|
|
2542 }
|
|
|
2543 next_window = Fnext_window (next_window,
|
|
|
2544 mini ? Qt : Qnil,
|
|
|
2545 frame_arg, Qt);
|
|
|
2546 }
|
|
|
2547 /* Now we can safely delete the frame. */
|
|
|
2548 Fdelete_frame (WINDOW_FRAME (p), Qnil);
|
|
|
2549 }
|
|
|
2550 else
|
|
|
2551 /* If we're deleting the buffer displayed in
|
|
|
2552 the only window on the frame, find a new
|
|
|
2553 buffer to display there. */
|
|
|
2554 if (NILP (p->parent))
|
|
|
2555 {
|
|
|
2556 Lisp_Object new_buffer;
|
|
|
2557 new_buffer = Fother_buffer (obj, Qnil, Qnil);
|
|
|
2558 if (NILP (new_buffer))
|
|
|
2559 new_buffer = Fget_buffer_create (QSscratch);
|
|
412
|
2560 Fset_window_buffer (w, new_buffer);
|
|
0
|
2561 if (EQ (w, Fselected_window (Qnil)))
|
|
|
2562 Fset_buffer (p->buffer);
|
|
|
2563 }
|
|
|
2564 else
|
|
|
2565 Fdelete_window (w, Qnil);
|
|
|
2566 }
|
|
|
2567 break;
|
|
|
2568 }
|
|
|
2569
|
|
|
2570 case GET_LARGEST_WINDOW:
|
|
|
2571 {
|
|
|
2572 /* Ignore dedicated windows and minibuffers. */
|
|
|
2573 if (MINI_WINDOW_P (p)
|
|
|
2574 || (dedicated_too ? 0 : !NILP (p->dedicated)))
|
|
|
2575 break;
|
|
|
2576 {
|
|
|
2577 /* write the check as follows to avoid tripping
|
|
|
2578 error_check_window() --ben */
|
|
|
2579 struct window *b = NILP (best_window) ? 0 :
|
|
|
2580 XWINDOW (best_window);
|
|
|
2581 if (NILP (best_window)
|
|
|
2582 || ((WINDOW_HEIGHT (p) * WINDOW_WIDTH (p))
|
|
|
2583 > (WINDOW_HEIGHT (b) * WINDOW_WIDTH (b))))
|
|
|
2584 best_window = w;
|
|
|
2585 }
|
|
|
2586 break;
|
|
|
2587 }
|
|
|
2588
|
|
|
2589 case UNSHOW_BUFFER:
|
|
|
2590 {
|
|
|
2591 if (EQ (p->buffer, obj))
|
|
|
2592 {
|
|
|
2593 /* Find another buffer to show in this window. */
|
|
|
2594 Lisp_Object another_buffer =
|
|
|
2595 Fother_buffer (obj, Qnil, Qnil);
|
|
|
2596 if (NILP (another_buffer))
|
|
|
2597 another_buffer
|
|
|
2598 = Fget_buffer_create (QSscratch);
|
|
|
2599 /* If this window is dedicated, and in a frame
|
|
|
2600 of its own, kill the frame. */
|
|
|
2601 if (EQ (w, FRAME_ROOT_WINDOW (w_frame))
|
|
|
2602 && !NILP (p->dedicated)
|
|
|
2603 && other_visible_frames (w_frame))
|
|
|
2604 {
|
|
|
2605 /* Skip the other windows on this frame.
|
|
|
2606 There might be one, the minibuffer! */
|
|
|
2607 if (! EQ (w, last_window))
|
|
|
2608 while (w_frame == XFRAME (WINDOW_FRAME
|
|
|
2609 (XWINDOW (next_window))))
|
|
|
2610 {
|
|
|
2611 /* As we go, check for the end of the
|
|
|
2612 loop. We mustn't start going
|
|
|
2613 around a second time. */
|
|
|
2614 if (EQ (next_window, last_window))
|
|
|
2615 {
|
|
|
2616 last_window = w;
|
|
|
2617 break;
|
|
|
2618 }
|
|
|
2619 next_window = Fnext_window (next_window,
|
|
|
2620 mini ? Qt : Qnil,
|
|
|
2621 frame_arg, Qt);
|
|
|
2622 }
|
|
|
2623 /* Now we can safely delete the frame. */
|
|
|
2624 delete_frame_internal (XFRAME (WINDOW_FRAME (p)),
|
|
|
2625 0, 0, 0);
|
|
|
2626 }
|
|
|
2627 else
|
|
|
2628 {
|
|
|
2629 /* Otherwise show a different buffer in the
|
|
|
2630 window. */
|
|
|
2631 p->dedicated = Qnil;
|
|
412
|
2632 Fset_window_buffer (w, another_buffer);
|
|
0
|
2633 if (EQ (w, Fselected_window (Qnil)))
|
|
|
2634 Fset_buffer (p->buffer);
|
|
|
2635 }
|
|
|
2636 }
|
|
|
2637 break;
|
|
|
2638 }
|
|
|
2639
|
|
185
|
2640 default:
|
|
0
|
2641 abort ();
|
|
|
2642 }
|
|
|
2643
|
|
|
2644 if (EQ (w, last_window))
|
|
|
2645 break;
|
|
|
2646
|
|
|
2647 w = next_window;
|
|
|
2648 }
|
|
|
2649 }
|
|
|
2650
|
|
173
|
2651 return type == GET_BUFFER_WINDOW_COUNT ? make_int (count) : best_window;
|
|
0
|
2652 }
|
|
|
2653
|
|
|
2654 #if 0 /* not currently used */
|
|
|
2655
|
|
|
2656 int
|
|
|
2657 buffer_window_count (struct buffer *b, struct frame *f)
|
|
|
2658 {
|
|
|
2659 Lisp_Object buffer, frame;
|
|
|
2660
|
|
|
2661 XSETFRAME (frame, f);
|
|
|
2662 XSETBUFFER (buffer, b);
|
|
|
2663
|
|
|
2664 return XINT (window_loop (GET_BUFFER_WINDOW_COUNT, buffer, 0, frame, 1,
|
|
|
2665 Qnil));
|
|
|
2666 }
|
|
|
2667
|
|
|
2668 int
|
|
|
2669 buffer_window_mru (struct window *w)
|
|
|
2670 {
|
|
185
|
2671 Lisp_Object window =
|
|
0
|
2672 window_loop (GET_BUFFER_MRU_WINDOW, w->buffer, 0, w->frame, 1, Qnil);
|
|
|
2673
|
|
|
2674 if (NILP (window))
|
|
|
2675 return 0;
|
|
|
2676 else if (XWINDOW (window) == w)
|
|
|
2677 return 1;
|
|
|
2678 else
|
|
|
2679 return 0;
|
|
|
2680 }
|
|
|
2681
|
|
|
2682 #endif
|
|
|
2683
|
|
|
2684
|
|
20
|
2685 DEFUN ("get-lru-window", Fget_lru_window, 0, 2, 0, /*
|
|
0
|
2686 Return the window least recently selected or used for display.
|
|
|
2687 If optional argument FRAME is `visible', search all visible frames.
|
|
|
2688 If FRAME is 0, search all visible and iconified frames.
|
|
|
2689 If FRAME is t, search all frames.
|
|
|
2690 If FRAME is nil, search only the selected frame.
|
|
|
2691 If FRAME is a frame, search only that frame.
|
|
|
2692
|
|
|
2693 Optional second argument CONSOLE controls which consoles or devices the
|
|
|
2694 returned window may be on. If CONSOLE is a console, return windows only
|
|
|
2695 on that console. If CONSOLE is a device, return windows only on that
|
|
|
2696 device. If CONSOLE is a console type, return windows only on consoles
|
|
|
2697 of that type. If CONSOLE is 'window-system, return any windows on any
|
|
|
2698 window-system consoles. If CONSOLE is nil or omitted, return windows only
|
|
|
2699 on FRAME'S console, or on the selected console if FRAME is not a frame.
|
|
|
2700 Otherwise, all windows are considered.
|
|
20
|
2701 */
|
|
|
2702 (frame, console))
|
|
0
|
2703 {
|
|
|
2704 Lisp_Object w;
|
|
|
2705 /* First try for a non-dedicated window that is full-width */
|
|
|
2706 w = window_loop (GET_LRU_WINDOW, Qt, 0, frame, 0, console);
|
|
|
2707 if (!NILP (w) && !EQ (w, Fselected_window (Qnil)))
|
|
|
2708 return w;
|
|
|
2709
|
|
|
2710 /* Then try for any non-dedicated window */
|
|
|
2711 w = window_loop (GET_LRU_WINDOW, Qnil, 0, frame, 0, console);
|
|
|
2712 if (!NILP (w) && !EQ (w, Fselected_window (Qnil)))
|
|
|
2713 return w;
|
|
|
2714
|
|
|
2715 #if 0
|
|
|
2716 /* FSFmacs never returns a dedicated window here. If we do,
|
|
|
2717 it makes `display-buffer' not work right. #### All of this
|
|
|
2718 shit is so disgusting and awful that it needs to be rethought
|
|
|
2719 from scratch. */
|
|
|
2720 /* then try for a dedicated window that is full-width */
|
|
|
2721 w = window_loop (GET_LRU_WINDOW, Qt, 0, frame, 1, console);
|
|
|
2722 if (!NILP (w) && !EQ (w, Fselected_window (Qnil)))
|
|
|
2723 return w;
|
|
|
2724
|
|
|
2725 /* If none of them, then all windows, dedicated or not. */
|
|
|
2726 w = window_loop (GET_LRU_WINDOW, Qnil, 0, frame, 1, console);
|
|
|
2727
|
|
|
2728 /* At this point we damn well better have found something. */
|
|
|
2729 if (NILP (w)) abort ();
|
|
|
2730 #endif
|
|
|
2731
|
|
173
|
2732 return w;
|
|
0
|
2733 }
|
|
|
2734
|
|
20
|
2735 DEFUN ("get-largest-window", Fget_largest_window, 0, 2, 0, /*
|
|
0
|
2736 Return the window largest in area.
|
|
|
2737 If optional argument FRAME is `visible', search all visible frames.
|
|
|
2738 If FRAME is 0, search all visible and iconified frames.
|
|
|
2739 If FRAME is t, search all frames.
|
|
|
2740 If FRAME is nil, search only the selected frame.
|
|
|
2741 If FRAME is a frame, search only that frame.
|
|
|
2742
|
|
|
2743 Optional second argument CONSOLE controls which consoles or devices the
|
|
|
2744 returned window may be on. If CONSOLE is a console, return windows only
|
|
|
2745 on that console. If CONSOLE is a device, return windows only on that
|
|
|
2746 device. If CONSOLE is a console type, return windows only on consoles
|
|
|
2747 of that type. If CONSOLE is 'window-system, return any windows on any
|
|
|
2748 window-system consoles. If CONSOLE is nil or omitted, return windows only
|
|
|
2749 on FRAME'S console, or on the selected console if FRAME is not a frame.
|
|
|
2750 Otherwise, all windows are considered.
|
|
20
|
2751 */
|
|
|
2752 (frame, console))
|
|
0
|
2753 {
|
|
|
2754 /* Don't search dedicated windows because FSFmacs doesn't.
|
|
|
2755 This stuff is all black magic so don't try to apply common
|
|
|
2756 sense to it. */
|
|
|
2757 return window_loop (GET_LARGEST_WINDOW, Qnil, 0, frame, 0, console);
|
|
|
2758 }
|
|
|
2759
|
|
20
|
2760 DEFUN ("get-buffer-window", Fget_buffer_window, 1, 3, 0, /*
|
|
0
|
2761 Return a window currently displaying BUFFER, or nil if none.
|
|
|
2762 If optional argument FRAME is `visible', search all visible frames.
|
|
|
2763 If optional argument FRAME is 0, search all visible and iconified frames.
|
|
|
2764 If FRAME is t, search all frames.
|
|
|
2765 If FRAME is nil, search only the selected frame.
|
|
|
2766 If FRAME is a frame, search only that frame.
|
|
|
2767
|
|
|
2768 Optional third argument CONSOLE controls which consoles or devices the
|
|
|
2769 returned window may be on. If CONSOLE is a console, return windows only
|
|
|
2770 on that console. If CONSOLE is a device, return windows only on that
|
|
|
2771 device. If CONSOLE is a console type, return windows only on consoles
|
|
|
2772 of that type. If CONSOLE is 'window-system, return any windows on any
|
|
|
2773 window-system consoles. If CONSOLE is nil or omitted, return windows only
|
|
|
2774 on FRAME'S console, or on the selected console if FRAME is not a frame.
|
|
|
2775 Otherwise, all windows are considered.
|
|
20
|
2776 */
|
|
|
2777 (buffer, frame, console))
|
|
0
|
2778 {
|
|
|
2779 buffer = Fget_buffer (buffer);
|
|
|
2780 if (BUFFERP (buffer))
|
|
|
2781 /* Search dedicated windows too. (Doesn't matter here anyway.) */
|
|
|
2782 return window_loop (GET_BUFFER_WINDOW, buffer, 1, frame, 1, console);
|
|
|
2783 else
|
|
|
2784 return Qnil;
|
|
|
2785 }
|
|
|
2786
|
|
|
2787 /* These functions used to be `buffer-left-margin-pixel-width', etc.
|
|
|
2788 but there is no sensible way to implement those functions, since
|
|
|
2789 you can't in general derive a window from a buffer. */
|
|
|
2790
|
|
280
|
2791 DEFUN ("window-left-margin-pixel-width", Fwindow_left_margin_pixel_width,
|
|
|
2792 0, 1, 0, /*
|
|
0
|
2793 Return the width in pixels of the left outside margin of window WINDOW.
|
|
|
2794 If WINDOW is nil, the selected window is assumed.
|
|
20
|
2795 */
|
|
|
2796 (window))
|
|
0
|
2797 {
|
|
149
|
2798 return make_int (window_left_margin_width (decode_window (window)));
|
|
0
|
2799 }
|
|
|
2800
|
|
280
|
2801 DEFUN ("window-right-margin-pixel-width", Fwindow_right_margin_pixel_width,
|
|
|
2802 0, 1, 0, /*
|
|
0
|
2803 Return the width in pixels of the right outside margin of window WINDOW.
|
|
|
2804 If WINDOW is nil, the selected window is assumed.
|
|
20
|
2805 */
|
|
|
2806 (window))
|
|
0
|
2807 {
|
|
149
|
2808 return make_int (window_right_margin_width (decode_window (window)));
|
|
0
|
2809 }
|
|
|
2810
|
|
20
|
2811 DEFUN ("delete-other-windows", Fdelete_other_windows, 0, 1, "", /*
|
|
0
|
2812 Make WINDOW (or the selected window) fill its frame.
|
|
|
2813 Only the frame WINDOW is on is affected.
|
|
|
2814 This function tries to reduce display jumps
|
|
|
2815 by keeping the text previously visible in WINDOW
|
|
|
2816 in the same place on the frame. Doing this depends on
|
|
|
2817 the value of (window-start WINDOW), so if calling this function
|
|
|
2818 in a program gives strange scrolling, make sure the window-start
|
|
|
2819 value is reasonable when this function is called.
|
|
20
|
2820 */
|
|
|
2821 (window))
|
|
0
|
2822 {
|
|
|
2823 struct window *w = decode_window (window);
|
|
|
2824 struct buffer *b = XBUFFER (w->buffer);
|
|
|
2825 Bufpos start_pos;
|
|
|
2826 int old_top = WINDOW_TOP (w);
|
|
|
2827
|
|
|
2828 XSETWINDOW (window, w);
|
|
|
2829
|
|
|
2830 if (MINI_WINDOW_P (w) && old_top > 0)
|
|
|
2831 error ("Can't expand minibuffer to full frame");
|
|
|
2832
|
|
|
2833 /* Ignore dedicated windows. */
|
|
|
2834 window_loop (DELETE_OTHER_WINDOWS, window, 0, w->frame, 0, Qnil);
|
|
|
2835
|
|
|
2836 start_pos = marker_position (w->start[CURRENT_DISP]);
|
|
|
2837
|
|
|
2838 /* Try to minimize scrolling, by setting the window start to the
|
|
|
2839 point which will cause the text at the old window start to be at
|
|
|
2840 the same place on the frame. But don't try to do this if the
|
|
|
2841 window start is outside the visible portion (as might happen when
|
|
|
2842 the display is not current, due to typeahead). */
|
|
|
2843 if (start_pos >= BUF_BEGV (b) && start_pos <= BUF_ZV (b)
|
|
|
2844 && !MINI_WINDOW_P (w))
|
|
|
2845 {
|
|
|
2846 Bufpos new_start = start_with_line_at_pixpos (w, start_pos, old_top);
|
|
|
2847
|
|
|
2848 if (new_start >= BUF_BEGV (b) && new_start <= BUF_ZV (b))
|
|
|
2849 {
|
|
|
2850 Fset_marker (w->start[CURRENT_DISP], make_int (new_start),
|
|
|
2851 w->buffer);
|
|
|
2852 w->start_at_line_beg = beginning_of_line_p (b, new_start);
|
|
|
2853 }
|
|
|
2854 /* We need to do this, so that the window-scroll-functions
|
|
|
2855 get called. */
|
|
|
2856 w->force_start = 1;
|
|
|
2857 }
|
|
|
2858
|
|
|
2859 return Qnil;
|
|
|
2860 }
|
|
|
2861
|
|
20
|
2862 DEFUN ("delete-windows-on", Fdelete_windows_on, 1, 3,
|
|
|
2863 "bDelete windows on (buffer): ", /*
|
|
0
|
2864 Delete all windows showing BUFFER.
|
|
|
2865 Optional second argument FRAME controls which frames are affected.
|
|
|
2866 If nil or omitted, delete all windows showing BUFFER in any frame.
|
|
|
2867 If t, delete only windows showing BUFFER in the selected frame.
|
|
|
2868 If `visible', delete all windows showing BUFFER in any visible frame.
|
|
|
2869 If a frame, delete only windows showing BUFFER in that frame.
|
|
|
2870
|
|
|
2871 Optional third argument CONSOLE controls which consoles or devices the
|
|
|
2872 returned window may be on. If CONSOLE is a console, return windows only
|
|
|
2873 on that console. If CONSOLE is a device, return windows only on that
|
|
|
2874 device. If CONSOLE is a console type, return windows only on consoles
|
|
|
2875 of that type. If CONSOLE is 'window-system, return any windows on any
|
|
|
2876 window-system consoles. If CONSOLE is nil or omitted, return windows only
|
|
|
2877 on FRAME'S console, or on the selected console if FRAME is not a frame.
|
|
|
2878 Otherwise, all windows are considered.
|
|
20
|
2879 */
|
|
|
2880 (buffer, frame, console))
|
|
0
|
2881 {
|
|
|
2882 /* This function can GC */
|
|
|
2883 /* FRAME uses t and nil to mean the opposite of what window_loop
|
|
|
2884 expects. */
|
|
|
2885 if (!FRAMEP (frame))
|
|
|
2886 frame = NILP (frame) ? Qt : Qnil;
|
|
|
2887
|
|
|
2888 if (!NILP (buffer))
|
|
|
2889 {
|
|
|
2890 buffer = Fget_buffer (buffer);
|
|
|
2891 CHECK_BUFFER (buffer);
|
|
|
2892 /* Ignore dedicated windows. */
|
|
|
2893 window_loop (DELETE_BUFFER_WINDOWS, buffer, 0, frame, 0, console);
|
|
|
2894 }
|
|
|
2895 return Qnil;
|
|
|
2896 }
|
|
|
2897
|
|
20
|
2898 DEFUN ("replace-buffer-in-windows", Freplace_buffer_in_windows, 1, 1,
|
|
|
2899 "bReplace buffer in windows: ", /*
|
|
0
|
2900 Replace BUFFER with some other buffer in all windows showing it.
|
|
20
|
2901 */
|
|
|
2902 (buffer))
|
|
0
|
2903 {
|
|
|
2904 /* This function can GC */
|
|
|
2905 if (!NILP (buffer))
|
|
|
2906 {
|
|
|
2907 buffer = Fget_buffer (buffer);
|
|
|
2908 CHECK_BUFFER (buffer);
|
|
|
2909 /* Ignore dedicated windows. */
|
|
|
2910 window_loop (UNSHOW_BUFFER, buffer, 0, Qt, 0, Qnil);
|
|
|
2911 }
|
|
|
2912 return Qnil;
|
|
|
2913 }
|
|
|
2914
|
|
|
2915 /* The smallest acceptable dimensions for a window. Anything smaller
|
|
|
2916 might crash Emacs. */
|
|
|
2917 #define MIN_SAFE_WINDOW_WIDTH (2)
|
|
|
2918 #define MIN_SAFE_WINDOW_HEIGHT (2)
|
|
|
2919
|
|
|
2920 /* Make sure that window_min_height and window_min_width are
|
|
|
2921 not too small; if they are, set them to safe minima. */
|
|
|
2922
|
|
|
2923 static void
|
|
|
2924 check_min_window_sizes (void)
|
|
|
2925 {
|
|
|
2926 /* Smaller values might permit a crash. */
|
|
|
2927 if (window_min_width < MIN_SAFE_WINDOW_WIDTH)
|
|
|
2928 window_min_width = MIN_SAFE_WINDOW_WIDTH;
|
|
|
2929 if (window_min_height < MIN_SAFE_WINDOW_HEIGHT)
|
|
|
2930 window_min_height = MIN_SAFE_WINDOW_HEIGHT;
|
|
|
2931 }
|
|
|
2932
|
|
|
2933 /* If *ROWS or *COLS are too small a size for FRAME, set them to the
|
|
|
2934 minimum allowable size. */
|
|
|
2935 void
|
|
|
2936 check_frame_size (struct frame *frame, int *rows, int *cols)
|
|
|
2937 {
|
|
412
|
2938 /* For height, we have to see whether the frame has a minibuffer, and
|
|
|
2939 whether it wants a modeline. */
|
|
|
2940 int min_height =
|
|
|
2941 (FRAME_MINIBUF_ONLY_P (frame) ? MIN_SAFE_WINDOW_HEIGHT - 1
|
|
|
2942 : (! FRAME_HAS_MINIBUF_P (frame)) ? MIN_SAFE_WINDOW_HEIGHT
|
|
|
2943 : 2 * MIN_SAFE_WINDOW_HEIGHT - 1);
|
|
0
|
2944
|
|
|
2945 if (*rows < min_height)
|
|
|
2946 *rows = min_height;
|
|
|
2947 if (*cols < MIN_SAFE_WINDOW_WIDTH)
|
|
|
2948 *cols = MIN_SAFE_WINDOW_WIDTH;
|
|
|
2949 }
|
|
|
2950
|
|
|
2951 /* Normally the window is deleted if it gets too small.
|
|
|
2952 nodelete nonzero means do not do this.
|
|
|
2953 (The caller should check later and do so if appropriate) */
|
|
|
2954 static void
|
|
|
2955 set_window_pixsize (Lisp_Object window, int new_pixsize, int nodelete,
|
|
|
2956 int set_height)
|
|
|
2957 {
|
|
|
2958 struct window *w = XWINDOW (window);
|
|
|
2959 struct frame *f = XFRAME (w->frame);
|
|
|
2960 struct window *c;
|
|
|
2961 int old_pixsize = (set_height ? WINDOW_HEIGHT (w) : WINDOW_WIDTH (w));
|
|
|
2962 Lisp_Object child, minor_kid, major_kid;
|
|
|
2963 int minsize;
|
|
|
2964 int line_size;
|
|
|
2965 int defheight, defwidth;
|
|
|
2966
|
|
|
2967 /* #### This is very likely incorrect and instead the char_to_pixel_
|
|
|
2968 functions should be called. */
|
|
|
2969 default_face_height_and_width (window, &defheight, &defwidth);
|
|
|
2970 line_size = (set_height ? defheight : defwidth);
|
|
|
2971
|
|
272
|
2972 check_min_window_sizes ();
|
|
|
2973
|
|
0
|
2974 minsize = (set_height ? window_min_height : window_min_width);
|
|
|
2975 minsize *= line_size;
|
|
|
2976
|
|
|
2977 if (!nodelete
|
|
|
2978 && !TOP_LEVEL_WINDOW_P (w)
|
|
|
2979 && new_pixsize < minsize)
|
|
|
2980 {
|
|
|
2981 Fdelete_window (window, Qnil);
|
|
|
2982 return;
|
|
|
2983 }
|
|
|
2984
|
|
|
2985 SET_LAST_MODIFIED (w, 0);
|
|
|
2986 SET_LAST_FACECHANGE (w);
|
|
|
2987 MARK_FRAME_WINDOWS_STRUCTURE_CHANGED (f); /* multiple windows affected */
|
|
|
2988 if (set_height)
|
|
|
2989 {
|
|
|
2990 WINDOW_HEIGHT (w) = new_pixsize;
|
|
|
2991 major_kid = w->vchild;
|
|
|
2992 minor_kid = w->hchild;
|
|
|
2993 }
|
|
|
2994 else
|
|
|
2995 {
|
|
|
2996 WINDOW_WIDTH (w) = new_pixsize;
|
|
|
2997 major_kid = w->hchild;
|
|
|
2998 minor_kid = w->vchild;
|
|
|
2999 }
|
|
|
3000
|
|
|
3001 if (!NILP (minor_kid))
|
|
|
3002 {
|
|
|
3003 for (child = minor_kid; !NILP (child); child = XWINDOW (child)->next)
|
|
|
3004 {
|
|
|
3005 if (set_height)
|
|
|
3006 WINDOW_TOP (XWINDOW (child)) = WINDOW_TOP (w);
|
|
|
3007 else
|
|
|
3008 WINDOW_LEFT (XWINDOW (child)) = WINDOW_LEFT (w);
|
|
|
3009
|
|
|
3010 set_window_pixsize (child, new_pixsize, nodelete, set_height);
|
|
|
3011 }
|
|
|
3012 }
|
|
|
3013 else if (!NILP (major_kid))
|
|
|
3014 {
|
|
|
3015 int last_pos, last_old_pos, pos, old_pos, first;
|
|
215
|
3016 int pixel_adj_left = new_pixsize - old_pixsize;
|
|
0
|
3017 int div_val = old_pixsize << 1;
|
|
|
3018
|
|
209
|
3019 /*
|
|
|
3020 * Previously we bailed out here if there was no size change.
|
|
215
|
3021 * (pixel_adj_left == 0) But this broke toolbar updates. If a
|
|
|
3022 * toolbar appears or disappears, windows may not change size,
|
|
|
3023 * but their top and left coordinates need to be updated.
|
|
209
|
3024 *
|
|
215
|
3025 * So we don't bail until after the loop below.
|
|
209
|
3026 */
|
|
0
|
3027
|
|
|
3028 last_pos = first = (set_height ? WINDOW_TOP (w) : WINDOW_LEFT (w));
|
|
|
3029 last_old_pos = 0;
|
|
|
3030
|
|
|
3031 for (child = major_kid; !NILP (child); child = c->next)
|
|
|
3032 {
|
|
|
3033 c = XWINDOW (child);
|
|
|
3034
|
|
|
3035 if (set_height)
|
|
|
3036 {
|
|
|
3037 old_pos = last_old_pos + WINDOW_HEIGHT (c);
|
|
|
3038 WINDOW_TOP (c) = last_pos;
|
|
|
3039 }
|
|
|
3040 else
|
|
|
3041 {
|
|
|
3042 old_pos = last_old_pos + WINDOW_WIDTH (c);
|
|
|
3043 WINDOW_LEFT (c) = last_pos;
|
|
|
3044 }
|
|
|
3045
|
|
|
3046 pos = (((old_pos * new_pixsize) << 1) + old_pixsize) / div_val;
|
|
2
|
3047 /* All but the last window should have a height which is
|
|
0
|
3048 a multiple of the default line height. */
|
|
|
3049 if (!NILP (c->next))
|
|
|
3050 pos = (pos / line_size) * line_size;
|
|
|
3051
|
|
|
3052 /* Avoid confusion: don't delete child if it becomes too small */
|
|
|
3053 set_window_pixsize (child, pos + first - last_pos, 1, set_height);
|
|
|
3054
|
|
|
3055 last_pos = pos + first;
|
|
|
3056 last_old_pos = old_pos;
|
|
|
3057 }
|
|
|
3058
|
|
215
|
3059 /* Sometimes we may get called with our old size. In that case
|
|
|
3060 we don't need to do anything else. */
|
|
|
3061 if (!pixel_adj_left)
|
|
|
3062 return;
|
|
|
3063
|
|
0
|
3064 /* Now delete any children that became too small. */
|
|
|
3065 if (!nodelete)
|
|
|
3066 for (child = major_kid; !NILP (child); child = XWINDOW (child)->next)
|
|
|
3067 {
|
|
|
3068 if (set_height)
|
|
|
3069 set_window_pixheight (child, WINDOW_HEIGHT (XWINDOW (child)), 0);
|
|
|
3070 else
|
|
|
3071 set_window_pixwidth (child, WINDOW_WIDTH (XWINDOW (child)), 0);
|
|
|
3072 }
|
|
|
3073 }
|
|
|
3074 }
|
|
|
3075
|
|
|
3076 /* Set the height of WINDOW and all its inferiors. */
|
|
|
3077 void
|
|
|
3078 set_window_pixheight (Lisp_Object window, int new_pixheight, int nodelete)
|
|
|
3079 {
|
|
|
3080 set_window_pixsize (window, new_pixheight, nodelete, 1);
|
|
|
3081 }
|
|
|
3082
|
|
|
3083 /* Recursively set width of WINDOW and its inferiors. */
|
|
|
3084 void
|
|
|
3085 set_window_pixwidth (Lisp_Object window, int new_pixwidth, int nodelete)
|
|
|
3086 {
|
|
|
3087 set_window_pixsize (window, new_pixwidth, nodelete, 0);
|
|
|
3088 }
|
|
|
3089
|
|
|
3090
|
|
|
3091 static int window_select_count;
|
|
|
3092
|
|
412
|
3093 DEFUN ("set-window-buffer", Fset_window_buffer, 2, 2, 0, /*
|
|
0
|
3094 Make WINDOW display BUFFER as its contents.
|
|
|
3095 BUFFER can be a buffer or buffer name.
|
|
20
|
3096 */
|
|
412
|
3097 (window, buffer))
|
|
0
|
3098 {
|
|
|
3099 Lisp_Object tem;
|
|
|
3100 struct window *w = decode_window (window);
|
|
|
3101
|
|
|
3102 buffer = Fget_buffer (buffer);
|
|
|
3103 CHECK_BUFFER (buffer);
|
|
|
3104
|
|
|
3105 if (!BUFFER_LIVE_P (XBUFFER (buffer)))
|
|
|
3106 error ("Attempt to display deleted buffer");
|
|
|
3107
|
|
|
3108 tem = w->buffer;
|
|
|
3109 if (NILP (tem))
|
|
|
3110 error ("Window is deleted");
|
|
|
3111
|
|
|
3112 /* While this seems like a logical thing to do, it causes problems
|
|
|
3113 because of saved window configurations. It is possible for a
|
|
|
3114 buffer to get restored into a window in which it is already being
|
|
|
3115 displayed, but start and point are actually at completely
|
|
|
3116 different locations. So we let this function complete fully and
|
|
|
3117 it will then make sure redisplay correctly updates things.
|
|
|
3118
|
|
|
3119 #### This is a kludge. The correct approach is not to do this
|
|
|
3120 but to fix set-window-configuration. */
|
|
|
3121 #if 0
|
|
|
3122 else if (EQ (tem, buffer))
|
|
149
|
3123 return Qnil;
|
|
0
|
3124 #endif
|
|
|
3125 else if (! EQ (tem, Qt)) /* w->buffer is t when the window
|
|
|
3126 is first being set up. */
|
|
|
3127 {
|
|
|
3128 if (!NILP (w->dedicated) && !EQ (tem, buffer))
|
|
|
3129 error ("Window is dedicated to buffer %s",
|
|
16
|
3130 XSTRING_DATA (XBUFFER (tem)->name));
|
|
0
|
3131
|
|
|
3132 unshow_buffer (w);
|
|
|
3133 }
|
|
|
3134
|
|
|
3135 w->buffer = buffer;
|
|
|
3136 w->window_end_pos[CURRENT_DISP] = 0;
|
|
259
|
3137 w->hscroll = 0;
|
|
|
3138 w->modeline_hscroll = 0;
|
|
0
|
3139 Fset_marker (w->pointm[CURRENT_DISP],
|
|
|
3140 make_int (BUF_PT (XBUFFER (buffer))),
|
|
|
3141 buffer);
|
|
|
3142 set_marker_restricted (w->start[CURRENT_DISP],
|
|
|
3143 make_int (XBUFFER (buffer)->last_window_start),
|
|
|
3144 buffer);
|
|
|
3145 Fset_marker (w->sb_point, w->start[CURRENT_DISP], buffer);
|
|
373
|
3146 /* set start_at_line_beg correctly. GE */
|
|
|
3147 w->start_at_line_beg = beginning_of_line_p (XBUFFER (buffer),
|
|
380
|
3148 marker_position (w->start[CURRENT_DISP]));
|
|
0
|
3149 w->force_start = 0; /* Lucid fix */
|
|
|
3150 SET_LAST_MODIFIED (w, 1);
|
|
|
3151 SET_LAST_FACECHANGE (w);
|
|
|
3152 MARK_WINDOWS_CHANGED (w);
|
|
|
3153 recompute_all_cached_specifiers_in_window (w);
|
|
|
3154 if (EQ (window, Fselected_window (Qnil)))
|
|
|
3155 {
|
|
|
3156 Fset_buffer (buffer);
|
|
|
3157 }
|
|
|
3158 return Qnil;
|
|
|
3159 }
|
|
|
3160
|
|
282
|
3161 DEFUN ("select-window", Fselect_window, 1, 2, 0, /*
|
|
0
|
3162 Select WINDOW. Most editing will apply to WINDOW's buffer.
|
|
|
3163 The main editor command loop selects the buffer of the selected window
|
|
|
3164 before each command.
|
|
282
|
3165
|
|
371
|
3166 With non-nil optional argument `norecord', do not modify the
|
|
282
|
3167 global or per-frame buffer ordering.
|
|
20
|
3168 */
|
|
282
|
3169 (window, norecord))
|
|
0
|
3170 {
|
|
|
3171 struct window *w;
|
|
|
3172 Lisp_Object old_selected_window = Fselected_window (Qnil);
|
|
185
|
3173
|
|
0
|
3174 CHECK_LIVE_WINDOW (window);
|
|
|
3175 w = XWINDOW (window);
|
|
|
3176
|
|
|
3177 /* we have already caught dead-window errors */
|
|
|
3178 if (!NILP (w->hchild) || !NILP (w->vchild))
|
|
|
3179 error ("Trying to select non-leaf window");
|
|
412
|
3180
|
|
0
|
3181 w->use_time = make_int (++window_select_count);
|
|
|
3182 if (EQ (window, old_selected_window))
|
|
|
3183 return window;
|
|
|
3184
|
|
|
3185 /* deselect the old window, if it exists (it might not exist if
|
|
|
3186 the selected device has no frames, which occurs at startup) */
|
|
|
3187 if (!NILP (old_selected_window))
|
|
|
3188 {
|
|
|
3189 struct window *ow = XWINDOW (old_selected_window);
|
|
|
3190
|
|
|
3191 Fset_marker (ow->pointm[CURRENT_DISP],
|
|
|
3192 make_int (BUF_PT (XBUFFER (ow->buffer))),
|
|
|
3193 ow->buffer);
|
|
|
3194
|
|
|
3195 MARK_WINDOWS_CHANGED (ow);
|
|
|
3196 }
|
|
|
3197
|
|
|
3198 /* now select the window's frame */
|
|
|
3199 set_frame_selected_window (XFRAME (WINDOW_FRAME (w)), window);
|
|
185
|
3200
|
|
0
|
3201 select_frame_1 (WINDOW_FRAME (w));
|
|
|
3202
|
|
|
3203 /* also select the window's buffer */
|
|
282
|
3204 if (NILP (norecord))
|
|
|
3205 Frecord_buffer (w->buffer);
|
|
0
|
3206 Fset_buffer (w->buffer);
|
|
|
3207
|
|
|
3208 /* Go to the point recorded in the window.
|
|
|
3209 This is important when the buffer is in more
|
|
|
3210 than one window. It also matters when
|
|
|
3211 redisplay_window has altered point after scrolling,
|
|
|
3212 because it makes the change only in the window. */
|
|
|
3213 {
|
|
|
3214 Bufpos new_point = marker_position (w->pointm[CURRENT_DISP]);
|
|
|
3215 if (new_point < BUF_BEGV (current_buffer))
|
|
|
3216 new_point = BUF_BEGV (current_buffer);
|
|
|
3217 else if (new_point > BUF_ZV (current_buffer))
|
|
|
3218 new_point = BUF_ZV (current_buffer);
|
|
|
3219
|
|
|
3220 BUF_SET_PT (current_buffer, new_point);
|
|
|
3221 }
|
|
|
3222
|
|
|
3223 MARK_WINDOWS_CHANGED (w);
|
|
|
3224
|
|
|
3225 return window;
|
|
|
3226 }
|
|
|
3227
|
|
|
3228 Lisp_Object
|
|
|
3229 display_buffer (Lisp_Object buffer, Lisp_Object not_this_window_p,
|
|
|
3230 Lisp_Object override_frame)
|
|
|
3231 {
|
|
|
3232 return call3 (Qdisplay_buffer, buffer, not_this_window_p, override_frame);
|
|
|
3233 }
|
|
|
3234
|
|
|
3235 void
|
|
|
3236 temp_output_buffer_show (Lisp_Object buf, Lisp_Object same_frame)
|
|
|
3237 {
|
|
|
3238 /* This function can GC */
|
|
|
3239 Lisp_Object window;
|
|
|
3240 struct window *w;
|
|
|
3241 struct buffer *b = XBUFFER (buf);
|
|
|
3242
|
|
|
3243 BUF_SAVE_MODIFF (XBUFFER (buf)) = BUF_MODIFF (b);
|
|
|
3244 widen_buffer (b, 0);
|
|
|
3245 BUF_SET_PT (b, BUF_BEG (b));
|
|
|
3246
|
|
272
|
3247 if (!NILP (Vtemp_buffer_show_function))
|
|
0
|
3248 call1 (Vtemp_buffer_show_function, buf);
|
|
|
3249 else
|
|
|
3250 {
|
|
|
3251 window = display_buffer (buf, Qnil, same_frame);
|
|
|
3252
|
|
|
3253 if (!EQ (XWINDOW (window)->frame, Fselected_frame (Qnil)))
|
|
|
3254 Fmake_frame_visible (WINDOW_FRAME (XWINDOW (window)));
|
|
|
3255
|
|
274
|
3256 Vminibuffer_scroll_window = window;
|
|
0
|
3257 w = XWINDOW (window);
|
|
|
3258 w->hscroll = 0;
|
|
257
|
3259 w->modeline_hscroll = 0;
|
|
0
|
3260 set_marker_restricted (w->start[CURRENT_DISP], make_int (1), buf);
|
|
|
3261 set_marker_restricted (w->pointm[CURRENT_DISP], make_int (1), buf);
|
|
|
3262 set_marker_restricted (w->sb_point, make_int (1), buf);
|
|
|
3263
|
|
185
|
3264 /* Run temp-buffer-show-hook, with the chosen window selected. */
|
|
0
|
3265 if (!preparing_for_armageddon)
|
|
|
3266 {
|
|
|
3267 Lisp_Object tem;
|
|
|
3268 tem = Fboundp (Qtemp_buffer_show_hook);
|
|
|
3269 if (!NILP (tem))
|
|
|
3270 {
|
|
|
3271 tem = Fsymbol_value (Qtemp_buffer_show_hook);
|
|
|
3272 if (!NILP (tem))
|
|
|
3273 {
|
|
|
3274 int count = specpdl_depth ();
|
|
|
3275
|
|
|
3276 /* Select the window that was chosen, for running
|
|
|
3277 the hook. */
|
|
|
3278 record_unwind_protect (save_window_excursion_unwind,
|
|
|
3279 Fcurrent_window_configuration (Qnil));
|
|
|
3280
|
|
282
|
3281 Fselect_window (window, Qnil);
|
|
0
|
3282 run_hook (Qtemp_buffer_show_hook);
|
|
|
3283 unbind_to (count, Qnil);
|
|
|
3284 }
|
|
|
3285 }
|
|
|
3286 }
|
|
|
3287 }
|
|
|
3288 }
|
|
|
3289
|
|
|
3290 static void
|
|
|
3291 make_dummy_parent (Lisp_Object window)
|
|
|
3292 {
|
|
272
|
3293 Lisp_Object new;
|
|
0
|
3294 struct window *o = XWINDOW (window);
|
|
398
|
3295 struct window *p = alloc_lcrecord_type (struct window, &lrecord_window);
|
|
0
|
3296
|
|
|
3297 XSETWINDOW (new, p);
|
|
|
3298 copy_lcrecord (p, o);
|
|
|
3299
|
|
|
3300 /* Don't copy the pointers to the line start cache or the face
|
|
|
3301 instances. */
|
|
185
|
3302 p->line_start_cache = Dynarr_new (line_start_cache);
|
|
|
3303 p->face_cachels = Dynarr_new (face_cachel);
|
|
|
3304 p->glyph_cachels = Dynarr_new (glyph_cachel);
|
|
0
|
3305
|
|
|
3306 /* Put new into window structure in place of window */
|
|
|
3307 replace_window (window, new);
|
|
|
3308
|
|
|
3309 o->next = Qnil;
|
|
|
3310 o->prev = Qnil;
|
|
|
3311 o->vchild = Qnil;
|
|
|
3312 o->hchild = Qnil;
|
|
|
3313 o->parent = new;
|
|
|
3314
|
|
|
3315 p->start[CURRENT_DISP] = Qnil;
|
|
|
3316 p->start[DESIRED_DISP] = Qnil;
|
|
|
3317 p->start[CMOTION_DISP] = Qnil;
|
|
|
3318 p->pointm[CURRENT_DISP] = Qnil;
|
|
|
3319 p->pointm[DESIRED_DISP] = Qnil;
|
|
|
3320 p->pointm[CMOTION_DISP] = Qnil;
|
|
|
3321 p->sb_point = Qnil;
|
|
|
3322 p->buffer = Qnil;
|
|
|
3323 }
|
|
|
3324
|
|
20
|
3325 DEFUN ("split-window", Fsplit_window, 0, 3, "", /*
|
|
0
|
3326 Split WINDOW, putting SIZE lines in the first of the pair.
|
|
|
3327 WINDOW defaults to selected one and SIZE to half its size.
|
|
371
|
3328 If optional third arg HOR-FLAG is non-nil, split side by side
|
|
0
|
3329 and put SIZE columns in the first of the pair.
|
|
20
|
3330 */
|
|
|
3331 (window, chsize, horflag))
|
|
0
|
3332 {
|
|
|
3333 Lisp_Object new;
|
|
|
3334 struct window *o, *p;
|
|
|
3335 struct frame *f;
|
|
|
3336 int size;
|
|
|
3337 int psize;
|
|
|
3338
|
|
|
3339 if (NILP (window))
|
|
|
3340 window = Fselected_window (Qnil);
|
|
|
3341 else
|
|
414
|
3342 CHECK_LIVE_WINDOW (window);
|
|
0
|
3343
|
|
|
3344 o = XWINDOW (window);
|
|
|
3345 f = XFRAME (WINDOW_FRAME (o));
|
|
|
3346
|
|
|
3347 if (NILP (chsize))
|
|
|
3348 {
|
|
|
3349 if (!NILP (horflag))
|
|
|
3350 /* In the new scheme, we are symmetric with respect to separators
|
|
|
3351 so there is no need to do weird things here. */
|
|
|
3352 {
|
|
|
3353 psize = WINDOW_WIDTH (o) >> 1;
|
|
|
3354 size = window_pixel_width_to_char_width (o, psize, 0);
|
|
|
3355 }
|
|
|
3356 else
|
|
|
3357 {
|
|
|
3358 psize = WINDOW_HEIGHT (o) >> 1;
|
|
|
3359 size = window_pixel_height_to_char_height (o, psize, 1);
|
|
|
3360 }
|
|
|
3361 }
|
|
|
3362 else
|
|
|
3363 {
|
|
|
3364 CHECK_INT (chsize);
|
|
|
3365 size = XINT (chsize);
|
|
|
3366 if (!NILP (horflag))
|
|
|
3367 psize = window_char_width_to_pixel_width (o, size, 0);
|
|
|
3368 else
|
|
|
3369 psize = window_char_height_to_pixel_height (o, size, 1);
|
|
|
3370 }
|
|
|
3371
|
|
|
3372 if (MINI_WINDOW_P (o))
|
|
|
3373 error ("Attempt to split minibuffer window");
|
|
|
3374 else if (FRAME_NO_SPLIT_P (XFRAME (WINDOW_FRAME (o))))
|
|
|
3375 error ("Attempt to split unsplittable frame");
|
|
|
3376
|
|
|
3377 check_min_window_sizes ();
|
|
|
3378
|
|
|
3379 if (NILP (horflag))
|
|
|
3380 {
|
|
|
3381 if (size < window_min_height)
|
|
|
3382 error ("Window height %d too small (after splitting)", size);
|
|
|
3383 if (size + window_min_height > window_char_height (o, 1))
|
|
185
|
3384 error ("Window height %d too small (after splitting)",
|
|
0
|
3385 window_char_height (o, 1) - size);
|
|
|
3386 if (NILP (o->parent)
|
|
|
3387 || NILP (XWINDOW (o->parent)->vchild))
|
|
|
3388 {
|
|
|
3389 make_dummy_parent (window);
|
|
|
3390 reset_face_cachels (XWINDOW (window));
|
|
|
3391 new = o->parent;
|
|
|
3392 XWINDOW (new)->vchild = window;
|
|
|
3393 XFRAME (o->frame)->mirror_dirty = 1;
|
|
|
3394 }
|
|
|
3395 }
|
|
|
3396 else
|
|
|
3397 {
|
|
|
3398 if (size < window_min_width)
|
|
|
3399 error ("Window width %d too small (after splitting)", size);
|
|
|
3400 if (size + window_min_width > window_char_width (o, 0))
|
|
185
|
3401 error ("Window width %d too small (after splitting)",
|
|
0
|
3402 window_char_width (o, 0) - size);
|
|
|
3403 if (NILP (o->parent)
|
|
|
3404 || NILP (XWINDOW (o->parent)->hchild))
|
|
|
3405 {
|
|
|
3406 make_dummy_parent (window);
|
|
|
3407 reset_face_cachels (XWINDOW (window));
|
|
|
3408 new = o->parent;
|
|
|
3409 XWINDOW (new)->hchild = window;
|
|
|
3410 XFRAME (o->frame)->mirror_dirty = 1;
|
|
|
3411 }
|
|
|
3412 }
|
|
|
3413
|
|
|
3414 /* Now we know that window's parent is a vertical combination
|
|
|
3415 if we are dividing vertically, or a horizontal combination
|
|
|
3416 if we are making side-by-side windows */
|
|
|
3417
|
|
|
3418 MARK_FRAME_WINDOWS_STRUCTURE_CHANGED (f);
|
|
|
3419 new = allocate_window ();
|
|
|
3420 p = XWINDOW (new);
|
|
|
3421
|
|
|
3422 p->frame = o->frame;
|
|
|
3423 p->next = o->next;
|
|
|
3424 if (!NILP (p->next))
|
|
|
3425 XWINDOW (p->next)->prev = new;
|
|
|
3426 p->prev = window;
|
|
|
3427 o->next = new;
|
|
|
3428 p->parent = o->parent;
|
|
|
3429 p->buffer = Qt;
|
|
|
3430
|
|
|
3431 reset_face_cachels (p);
|
|
|
3432 reset_glyph_cachels (p);
|
|
185
|
3433
|
|
0
|
3434
|
|
|
3435 /* Apportion the available frame space among the two new windows */
|
|
|
3436
|
|
|
3437 if (!NILP (horflag))
|
|
|
3438 {
|
|
|
3439 WINDOW_HEIGHT (p) = WINDOW_HEIGHT (o);
|
|
|
3440 WINDOW_TOP (p) = WINDOW_TOP (o);
|
|
|
3441 WINDOW_WIDTH (p) = WINDOW_WIDTH (o) - psize;
|
|
|
3442 WINDOW_WIDTH (o) = psize;
|
|
|
3443 WINDOW_LEFT (p) = WINDOW_LEFT (o) + psize;
|
|
|
3444 }
|
|
|
3445 else
|
|
|
3446 {
|
|
|
3447 WINDOW_LEFT (p) = WINDOW_LEFT (o);
|
|
|
3448 WINDOW_WIDTH (p) = WINDOW_WIDTH (o);
|
|
|
3449 WINDOW_HEIGHT (p) = WINDOW_HEIGHT (o) - psize;
|
|
|
3450 WINDOW_HEIGHT (o) = psize;
|
|
|
3451 WINDOW_TOP (p) = WINDOW_TOP (o) + psize;
|
|
|
3452 }
|
|
|
3453
|
|
|
3454 XFRAME (p->frame)->mirror_dirty = 1;
|
|
|
3455 /* do this last (after the window is completely initialized and
|
|
|
3456 the mirror-dirty flag is set) so that specifier recomputation
|
|
|
3457 caused as a result of this will work properly and not abort. */
|
|
412
|
3458 Fset_window_buffer (new, o->buffer);
|
|
0
|
3459 return new;
|
|
|
3460 }
|
|
|
3461
|
|
|
3462
|
|
20
|
3463 DEFUN ("enlarge-window", Fenlarge_window, 1, 3, "_p", /*
|
|
380
|
3464 Make the selected window N lines bigger.
|
|
|
3465 From program, optional second arg SIDE non-nil means grow sideways N columns,
|
|
|
3466 and optional third arg WINDOW specifies the window to change instead of the
|
|
0
|
3467 selected window.
|
|
20
|
3468 */
|
|
|
3469 (n, side, window))
|
|
0
|
3470 {
|
|
|
3471 struct window *w = decode_window (window);
|
|
|
3472 CHECK_INT (n);
|
|
263
|
3473 change_window_height (w, XINT (n), !NILP (side), /* inpixels */ 0);
|
|
|
3474 return Qnil;
|
|
|
3475 }
|
|
|
3476
|
|
|
3477 DEFUN ("enlarge-window-pixels", Fenlarge_window_pixels, 1, 3, "_p", /*
|
|
380
|
3478 Make the selected window N pixels bigger.
|
|
|
3479 From program, optional second arg SIDE non-nil means grow sideways N pixels,
|
|
|
3480 and optional third arg WINDOW specifies the window to change instead of the
|
|
263
|
3481 selected window.
|
|
|
3482 */
|
|
|
3483 (n, side, window))
|
|
|
3484 {
|
|
|
3485 struct window *w = decode_window (window);
|
|
|
3486 CHECK_INT (n);
|
|
|
3487 change_window_height (w, XINT (n), !NILP (side), /* inpixels */ 1);
|
|
0
|
3488 return Qnil;
|
|
|
3489 }
|
|
|
3490
|
|
20
|
3491 DEFUN ("shrink-window", Fshrink_window, 1, 3, "_p", /*
|
|
380
|
3492 Make the selected window N lines smaller.
|
|
|
3493 From program, optional second arg SIDE non-nil means shrink sideways N columns,
|
|
|
3494 and optional third arg WINDOW specifies the window to change instead of the
|
|
0
|
3495 selected window.
|
|
20
|
3496 */
|
|
|
3497 (n, side, window))
|
|
0
|
3498 {
|
|
|
3499 CHECK_INT (n);
|
|
263
|
3500 change_window_height (decode_window (window), -XINT (n), !NILP (side),
|
|
|
3501 /* inpixels */ 0);
|
|
|
3502 return Qnil;
|
|
|
3503 }
|
|
|
3504
|
|
|
3505 DEFUN ("shrink-window-pixels", Fshrink_window_pixels, 1, 3, "_p", /*
|
|
380
|
3506 Make the selected window N pixels smaller.
|
|
|
3507 From program, optional second arg SIDE non-nil means shrink sideways N pixels,
|
|
|
3508 and optional third arg WINDOW specifies the window to change instead of the
|
|
263
|
3509 selected window.
|
|
|
3510 */
|
|
|
3511 (n, side, window))
|
|
|
3512 {
|
|
|
3513 CHECK_INT (n);
|
|
|
3514 change_window_height (decode_window (window), -XINT (n), !NILP (side),
|
|
|
3515 /* inpixels */ 1);
|
|
0
|
3516 return Qnil;
|
|
|
3517 }
|
|
|
3518
|
|
|
3519 static int
|
|
412
|
3520 window_pixel_height (Lisp_Object window)
|
|
|
3521 {
|
|
|
3522 return WINDOW_HEIGHT (XWINDOW (window));
|
|
|
3523 }
|
|
|
3524
|
|
|
3525 static int
|
|
0
|
3526 window_pixel_height_to_char_height (struct window *w, int pixel_height,
|
|
|
3527 int include_gutters_p)
|
|
|
3528 {
|
|
|
3529 int avail_height;
|
|
|
3530 int defheight, defwidth;
|
|
|
3531 int char_height;
|
|
|
3532 Lisp_Object window;
|
|
185
|
3533
|
|
0
|
3534 XSETWINDOW (window, w);
|
|
185
|
3535
|
|
0
|
3536 avail_height = (pixel_height -
|
|
|
3537 (include_gutters_p ? 0 :
|
|
412
|
3538 window_top_gutter_height (w) +
|
|
|
3539 window_bottom_gutter_height (w)));
|
|
185
|
3540
|
|
0
|
3541 default_face_height_and_width (window, &defheight, &defwidth);
|
|
|
3542
|
|
|
3543 char_height = avail_height / defheight;
|
|
|
3544
|
|
|
3545 /* It's the calling function's responsibility to check these values
|
|
|
3546 and make sure they're not out of range.
|
|
|
3547
|
|
|
3548 #### We need to go through the calling functions and actually
|
|
|
3549 do this. */
|
|
272
|
3550 return max (0, char_height);
|
|
0
|
3551 }
|
|
|
3552
|
|
|
3553 static int
|
|
|
3554 window_char_height_to_pixel_height (struct window *w, int char_height,
|
|
|
3555 int include_gutters_p)
|
|
|
3556 {
|
|
|
3557 int avail_height;
|
|
|
3558 int defheight, defwidth;
|
|
|
3559 int pixel_height;
|
|
|
3560
|
|
|
3561 Lisp_Object window;
|
|
185
|
3562
|
|
0
|
3563 XSETWINDOW (window, w);
|
|
185
|
3564
|
|
0
|
3565 default_face_height_and_width (window, &defheight, &defwidth);
|
|
|
3566
|
|
|
3567 avail_height = char_height * defheight;
|
|
|
3568 pixel_height = (avail_height +
|
|
|
3569 (include_gutters_p ? 0 :
|
|
412
|
3570 window_top_gutter_height (w) +
|
|
|
3571 window_bottom_gutter_height (w)));
|
|
0
|
3572
|
|
|
3573 /* It's the calling function's responsibility to check these values
|
|
|
3574 and make sure they're not out of range.
|
|
|
3575
|
|
|
3576 #### We need to go through the calling functions and actually
|
|
|
3577 do this. */
|
|
272
|
3578 return max (0, pixel_height);
|
|
0
|
3579 }
|
|
|
3580
|
|
|
3581 /* Return number of default lines of text can fit in the window W.
|
|
|
3582 If INCLUDE_GUTTERS_P is 1, include "gutter" space (modeline plus
|
|
|
3583 horizontal scrollbar) in the space that is used for the calculation.
|
|
|
3584 */
|
|
|
3585 int
|
|
|
3586 window_char_height (struct window *w, int include_gutters_p)
|
|
|
3587 {
|
|
412
|
3588 return window_pixel_height_to_char_height (w, WINDOW_HEIGHT (w),
|
|
0
|
3589 include_gutters_p);
|
|
|
3590 }
|
|
|
3591
|
|
|
3592 /*
|
|
|
3593 * Return number of lines currently displayed in window w. If
|
|
|
3594 * end-of-buffer is displayed then the area below end-of-buffer is assume
|
|
|
3595 * to be blank lines of default height.
|
|
|
3596 * Does not include the modeline.
|
|
|
3597 */
|
|
|
3598 int
|
|
|
3599 window_displayed_height (struct window *w)
|
|
|
3600 {
|
|
|
3601 struct buffer *b = XBUFFER (w->buffer);
|
|
|
3602 display_line_dynarr *dla = window_display_lines (w, CURRENT_DISP);
|
|
|
3603 int num_lines;
|
|
|
3604 Charcount end_pos = (BUF_Z (b) - w->window_end_pos[CURRENT_DISP] > BUF_ZV (b)
|
|
|
3605 ? -1
|
|
|
3606 : w->window_end_pos[CURRENT_DISP]);
|
|
|
3607
|
|
|
3608 if (!Dynarr_length (dla))
|
|
|
3609 return window_char_height (w, 0);
|
|
|
3610
|
|
|
3611 num_lines = Dynarr_length (dla);
|
|
|
3612
|
|
|
3613 /* #### Document and assert somewhere that w->window_end_pos == -1
|
|
|
3614 indicates that end-of-buffer is being displayed. */
|
|
|
3615 if (end_pos == -1)
|
|
|
3616 {
|
|
|
3617 struct display_line *dl = Dynarr_atp (dla, 0);
|
|
|
3618 int ypos1 = dl->ypos + dl->descent;
|
|
|
3619 int ypos2 = WINDOW_TEXT_BOTTOM (w);
|
|
|
3620 Lisp_Object window;
|
|
|
3621 int defheight, defwidth;
|
|
|
3622
|
|
|
3623 XSETWINDOW (window, w);
|
|
|
3624
|
|
|
3625 if (dl->modeline)
|
|
|
3626 {
|
|
|
3627 num_lines--;
|
|
|
3628
|
|
|
3629 if (Dynarr_length (dla) == 1)
|
|
|
3630 ypos1 = WINDOW_TEXT_TOP (w);
|
|
|
3631 else
|
|
|
3632 {
|
|
|
3633 dl = Dynarr_atp (dla, Dynarr_length (dla) - 1);
|
|
|
3634 /* If this line is clipped then we know that there is no
|
|
|
3635 blank room between eob and the modeline. If we are
|
|
|
3636 scrolling on clipped lines just know off the clipped
|
|
|
3637 line and return .*/
|
|
|
3638 if (scroll_on_clipped_lines && dl->clip)
|
|
149
|
3639 return num_lines - 1;
|
|
0
|
3640 ypos1 = dl->ypos + dl->descent - dl->clip;
|
|
|
3641 }
|
|
|
3642 }
|
|
|
3643
|
|
|
3644 default_face_height_and_width (window, &defheight, &defwidth);
|
|
|
3645 /* #### This probably needs to know about the clipping area once a
|
|
|
3646 final definition is decided on. */
|
|
|
3647 num_lines += ((ypos2 - ypos1) / defheight);
|
|
|
3648 }
|
|
|
3649 else
|
|
|
3650 {
|
|
|
3651 if (num_lines > 1 && Dynarr_atp (dla, 0)->modeline)
|
|
|
3652 num_lines--;
|
|
|
3653
|
|
|
3654 if (scroll_on_clipped_lines
|
|
|
3655 && Dynarr_atp (dla, Dynarr_length (dla) - 1)->clip)
|
|
|
3656 num_lines--;
|
|
|
3657 }
|
|
|
3658
|
|
|
3659 return num_lines;
|
|
|
3660 }
|
|
|
3661
|
|
|
3662 static int
|
|
|
3663 window_pixel_width (Lisp_Object window)
|
|
|
3664 {
|
|
149
|
3665 return WINDOW_WIDTH (XWINDOW (window));
|
|
0
|
3666 }
|
|
|
3667
|
|
|
3668 static int
|
|
|
3669 window_pixel_width_to_char_width (struct window *w, int pixel_width,
|
|
|
3670 int include_margins_p)
|
|
|
3671 {
|
|
|
3672 int avail_width;
|
|
|
3673 int char_width;
|
|
|
3674 int defheight, defwidth;
|
|
|
3675 Lisp_Object window;
|
|
185
|
3676
|
|
0
|
3677 XSETWINDOW (window, w);
|
|
185
|
3678
|
|
0
|
3679 avail_width = (pixel_width -
|
|
|
3680 window_left_gutter_width (w, 0) -
|
|
|
3681 window_right_gutter_width (w, 0) -
|
|
|
3682 (include_margins_p ? 0 : window_left_margin_width (w)) -
|
|
|
3683 (include_margins_p ? 0 : window_right_margin_width (w)));
|
|
185
|
3684
|
|
0
|
3685 default_face_height_and_width (window, &defheight, &defwidth);
|
|
185
|
3686
|
|
0
|
3687 char_width = (avail_width / defwidth);
|
|
|
3688
|
|
|
3689 /* It's the calling function's responsibility to check these values
|
|
|
3690 and make sure they're not out of range.
|
|
|
3691
|
|
|
3692 #### We need to go through the calling functions and actually
|
|
|
3693 do this. */
|
|
272
|
3694 return max (0, char_width);
|
|
0
|
3695 }
|
|
|
3696
|
|
|
3697 static int
|
|
|
3698 window_char_width_to_pixel_width (struct window *w, int char_width,
|
|
|
3699 int include_margins_p)
|
|
|
3700 {
|
|
|
3701 int avail_width;
|
|
|
3702 int pixel_width;
|
|
|
3703 int defheight, defwidth;
|
|
|
3704 Lisp_Object window;
|
|
|
3705
|
|
|
3706 XSETWINDOW (window, w);
|
|
|
3707
|
|
|
3708 default_face_height_and_width (window, &defheight, &defwidth);
|
|
|
3709
|
|
|
3710 avail_width = char_width * defwidth;
|
|
|
3711 pixel_width = (avail_width +
|
|
412
|
3712 window_left_gutter_width (w, 0) +
|
|
|
3713 window_right_gutter_width (w, 0) +
|
|
0
|
3714 (include_margins_p ? 0 : window_left_margin_width (w)) +
|
|
|
3715 (include_margins_p ? 0 : window_right_margin_width (w)));
|
|
|
3716
|
|
|
3717 /* It's the calling function's responsibility to check these values
|
|
|
3718 and make sure they're not out of range.
|
|
|
3719
|
|
|
3720 #### We need to go through the calling functions and actually
|
|
|
3721 do this. */
|
|
272
|
3722 return max (0, pixel_width);
|
|
0
|
3723 }
|
|
|
3724
|
|
|
3725 /* This returns the usable space which doesn't include space needed by
|
|
|
3726 scrollbars or divider lines. */
|
|
|
3727 int
|
|
|
3728 window_char_width (struct window *w, int include_margins_p)
|
|
|
3729 {
|
|
|
3730 return window_pixel_width_to_char_width (w, WINDOW_WIDTH (w),
|
|
|
3731 include_margins_p);
|
|
|
3732 }
|
|
|
3733
|
|
|
3734 #define MINSIZE(w) \
|
|
|
3735 (widthflag \
|
|
|
3736 ? window_min_width * defwidth \
|
|
|
3737 : (defheight * (MINI_WINDOW_P (XWINDOW (w)) ? 1 : window_min_height)))
|
|
|
3738
|
|
|
3739 #define CURBEG(w) \
|
|
|
3740 *(widthflag ? (int *) &WINDOW_LEFT (w) : (int *) &WINDOW_TOP (w))
|
|
|
3741
|
|
|
3742 #define CURSIZE(w) \
|
|
|
3743 *(widthflag ? (int *) &WINDOW_WIDTH (w) : (int *) &WINDOW_HEIGHT (w))
|
|
|
3744
|
|
|
3745 #define CURCHARSIZE(w) \
|
|
|
3746 (widthflag ? window_char_width (w, 0) : window_char_height (w, 1))
|
|
|
3747
|
|
|
3748 #define MINCHARSIZE(window) \
|
|
|
3749 (widthflag ? window_min_width : MINI_WINDOW_P (XWINDOW (window)) \
|
|
|
3750 ? 1 : window_min_height)
|
|
|
3751
|
|
|
3752 /* Unlike set_window_pixheight, this function
|
|
|
3753 also changes the heights of the siblings so as to
|
|
|
3754 keep everything consistent. */
|
|
|
3755
|
|
|
3756 static void
|
|
263
|
3757 change_window_height (struct window *win, int delta, int widthflag,
|
|
|
3758 int inpixels)
|
|
0
|
3759 {
|
|
|
3760 Lisp_Object parent;
|
|
272
|
3761 Lisp_Object window;
|
|
0
|
3762 struct window *w;
|
|
|
3763 struct frame *f;
|
|
|
3764 int *sizep;
|
|
|
3765 int (*sizefun) (Lisp_Object) = (widthflag
|
|
|
3766 ? window_pixel_width
|
|
412
|
3767 : window_pixel_height);
|
|
0
|
3768 void (*setsizefun) (Lisp_Object, int, int) = (widthflag
|
|
|
3769 ? set_window_pixwidth
|
|
|
3770 : set_window_pixheight);
|
|
|
3771 int dim;
|
|
|
3772 int defheight, defwidth;
|
|
|
3773
|
|
|
3774 if (delta == 0)
|
|
|
3775 return;
|
|
|
3776
|
|
|
3777 check_min_window_sizes ();
|
|
|
3778
|
|
|
3779 XSETWINDOW (window, win);
|
|
|
3780 f = XFRAME (win->frame);
|
|
|
3781 if (EQ (window, FRAME_ROOT_WINDOW (f)))
|
|
|
3782 error ("Won't change only window");
|
|
|
3783
|
|
|
3784 /* #### This is very likely incorrect and instead the char_to_pixel_
|
|
|
3785 functions should be called. */
|
|
|
3786 default_face_height_and_width (window, &defheight, &defwidth);
|
|
|
3787
|
|
|
3788 while (1)
|
|
|
3789 {
|
|
|
3790 w = XWINDOW (window);
|
|
|
3791 parent = w->parent;
|
|
|
3792 if (NILP (parent))
|
|
|
3793 {
|
|
|
3794 if (widthflag)
|
|
|
3795 error ("No other window to side of this one");
|
|
|
3796 break;
|
|
|
3797 }
|
|
|
3798 if (widthflag
|
|
|
3799 ? !NILP (XWINDOW (parent)->hchild)
|
|
|
3800 : !NILP (XWINDOW (parent)->vchild))
|
|
|
3801 break;
|
|
|
3802 window = parent;
|
|
|
3803 }
|
|
|
3804
|
|
|
3805 sizep = &CURSIZE (w);
|
|
|
3806 dim = CURCHARSIZE (w);
|
|
|
3807
|
|
263
|
3808 if ((inpixels && (*sizep + delta) < MINSIZE (window)) ||
|
|
|
3809 (!inpixels && (dim + delta) < MINCHARSIZE (window)))
|
|
0
|
3810 {
|
|
|
3811 if (MINI_WINDOW_P (XWINDOW (window)))
|
|
|
3812 return;
|
|
|
3813 else if (!NILP (parent))
|
|
|
3814 {
|
|
|
3815 Fdelete_window (window, Qnil);
|
|
|
3816 return;
|
|
|
3817 }
|
|
|
3818 }
|
|
|
3819
|
|
263
|
3820 if (!inpixels)
|
|
|
3821 delta *= (widthflag ? defwidth : defheight);
|
|
0
|
3822
|
|
|
3823 {
|
|
|
3824 int maxdelta;
|
|
|
3825
|
|
|
3826 maxdelta = ((!NILP (parent))
|
|
|
3827 ? (*sizefun) (parent) - *sizep
|
|
|
3828 : ((!NILP (w->next))
|
|
|
3829 ? (*sizefun) (w->next) - MINSIZE (w->next)
|
|
|
3830 : ((!NILP (w->prev))
|
|
|
3831 ? (*sizefun) (w->prev) - MINSIZE (w->prev)
|
|
185
|
3832 /* This is a frame with only one window,
|
|
0
|
3833 a minibuffer-only or a minibufferless frame. */
|
|
|
3834 : (delta = 0))));
|
|
|
3835
|
|
|
3836 if (delta > maxdelta)
|
|
|
3837 /* This case traps trying to make the minibuffer
|
|
|
3838 the full frame, or make the only window aside from the
|
|
|
3839 minibuffer the full frame. */
|
|
|
3840 delta = maxdelta;
|
|
|
3841
|
|
|
3842 if (delta == 0)
|
|
|
3843 return;
|
|
|
3844
|
|
|
3845 #if 0 /* FSFmacs */
|
|
|
3846 /* #### Chuck: is this correct? */
|
|
|
3847 if (*sizep + delta < MINSIZE (window))
|
|
|
3848 {
|
|
|
3849 Fdelete_window (window);
|
|
|
3850 return;
|
|
|
3851 }
|
|
|
3852 #endif
|
|
|
3853 }
|
|
|
3854
|
|
|
3855 if (!NILP (w->next) &&
|
|
|
3856 (*sizefun) (w->next) - delta >= (int) MINSIZE (w->next))
|
|
|
3857 {
|
|
|
3858 CURBEG (XWINDOW (w->next)) += delta;
|
|
|
3859 (*setsizefun) (w->next, (*sizefun) (w->next) - delta, 0);
|
|
|
3860 (*setsizefun) (window, *sizep + delta, 0);
|
|
|
3861 }
|
|
|
3862 else if (!NILP (w->prev) &&
|
|
|
3863 (*sizefun) (w->prev) - delta >= (int) MINSIZE (w->prev))
|
|
|
3864 {
|
|
|
3865 (*setsizefun) (w->prev, (*sizefun) (w->prev) - delta, 0);
|
|
|
3866 CURBEG (w) -= delta;
|
|
|
3867 (*setsizefun) (window, *sizep + delta, 0);
|
|
|
3868 }
|
|
|
3869 else
|
|
|
3870 {
|
|
|
3871 int delta1;
|
|
|
3872 int opht = (*sizefun) (parent);
|
|
|
3873
|
|
|
3874 /* If trying to grow this window to or beyond size of the parent,
|
|
|
3875 make delta1 so big that, on shrinking back down,
|
|
|
3876 all the siblings end up with less than one line and are deleted. */
|
|
|
3877 if (opht <= *sizep + delta)
|
|
|
3878 delta1 = opht * opht * 2;
|
|
|
3879 /* Otherwise, make delta1 just right so that if we add delta1
|
|
|
3880 lines to this window and to the parent, and then shrink
|
|
|
3881 the parent back to its original size, the new proportional
|
|
|
3882 size of this window will increase by delta. */
|
|
|
3883 else
|
|
|
3884 delta1 = (delta * opht * 100) / ((opht - *sizep - delta) * 100);
|
|
|
3885
|
|
|
3886 /* Add delta1 lines or columns to this window, and to the parent,
|
|
|
3887 keeping things consistent while not affecting siblings. */
|
|
|
3888 CURSIZE (XWINDOW (parent)) = opht + delta1;
|
|
|
3889 (*setsizefun) (window, *sizep + delta1, 0);
|
|
|
3890
|
|
|
3891 /* Squeeze out delta1 lines or columns from our parent,
|
|
380
|
3892 shrinking this window and siblings proportionately.
|
|
0
|
3893 This brings parent back to correct size.
|
|
|
3894 Delta1 was calculated so this makes this window the desired size,
|
|
|
3895 taking it all out of the siblings. */
|
|
|
3896 (*setsizefun) (parent, opht, 0);
|
|
|
3897 }
|
|
|
3898
|
|
|
3899 SET_LAST_MODIFIED (w, 0);
|
|
|
3900 SET_LAST_FACECHANGE (w);
|
|
|
3901 MARK_FRAME_WINDOWS_STRUCTURE_CHANGED (f);
|
|
422
|
3902 /* overkill maybe, but better to be correct */
|
|
|
3903 MARK_FRAME_GUTTERS_CHANGED (f);
|
|
0
|
3904 }
|
|
|
3905 #undef MINSIZE
|
|
|
3906 #undef CURBEG
|
|
|
3907 #undef CURSIZE
|
|
|
3908 #undef CURCHARSIZE
|
|
|
3909 #undef MINCHARSIZE
|
|
|
3910
|
|
|
3911
|
|
|
3912
|
|
412
|
3913 /* Scroll contents of window WINDOW up N lines. */
|
|
0
|
3914 void
|
|
|
3915 window_scroll (Lisp_Object window, Lisp_Object n, int direction,
|
|
|
3916 Error_behavior errb)
|
|
|
3917 {
|
|
|
3918 struct window *w = XWINDOW (window);
|
|
|
3919 struct buffer *b = XBUFFER (w->buffer);
|
|
|
3920 int selected = EQ (window, Fselected_window (Qnil));
|
|
|
3921 int value = 0;
|
|
|
3922 Lisp_Object point, tem;
|
|
|
3923
|
|
|
3924 if (selected)
|
|
|
3925 point = make_int (BUF_PT (b));
|
|
|
3926 else
|
|
|
3927 {
|
|
|
3928 Bufpos pos = marker_position (w->pointm[CURRENT_DISP]);
|
|
|
3929
|
|
|
3930 if (pos < BUF_BEGV (b))
|
|
|
3931 pos = BUF_BEGV (b);
|
|
|
3932 else if (pos > BUF_ZV (b))
|
|
|
3933 pos = BUF_ZV (b);
|
|
|
3934
|
|
|
3935 point = make_int (pos);
|
|
|
3936 }
|
|
|
3937
|
|
|
3938 /* Always set force_start so that redisplay_window will run
|
|
380
|
3939 the window-scroll-functions. */
|
|
0
|
3940 w->force_start = 1;
|
|
|
3941
|
|
|
3942 /* #### When the fuck does this happen? I'm so glad that history has
|
|
|
3943 completely documented the behavior of the scrolling functions under
|
|
|
3944 all circumstances. */
|
|
|
3945 tem = Fpos_visible_in_window_p (point, window);
|
|
|
3946 if (NILP (tem))
|
|
|
3947 {
|
|
288
|
3948 Fvertical_motion (make_int (-window_char_height (w, 0) / 2),
|
|
|
3949 window, Qnil);
|
|
0
|
3950 Fset_marker (w->start[CURRENT_DISP], point, w->buffer);
|
|
|
3951 w->start_at_line_beg = beginning_of_line_p (b, XINT (point));
|
|
|
3952 MARK_WINDOWS_CHANGED (w);
|
|
|
3953 }
|
|
|
3954
|
|
|
3955 if (!NILP (n))
|
|
|
3956 {
|
|
|
3957 if (EQ (n, Qminus))
|
|
|
3958 direction *= -1;
|
|
|
3959 else
|
|
|
3960 {
|
|
|
3961 n = Fprefix_numeric_value (n);
|
|
|
3962 value = XINT (n) * direction;
|
|
|
3963
|
|
|
3964 if (!value)
|
|
|
3965 return; /* someone just made a pointless call */
|
|
|
3966 }
|
|
|
3967 }
|
|
|
3968
|
|
|
3969 /* If the user didn't specify how far to scroll then we have to figure it
|
|
|
3970 out by ourselves. */
|
|
|
3971 if (NILP (n) || EQ (n, Qminus))
|
|
|
3972 {
|
|
|
3973 /* Going forwards is easy. If that is what we are doing then just
|
|
|
3974 set value and the section which handles the user specifying a
|
|
|
3975 positive value will work. */
|
|
|
3976 if (direction == 1)
|
|
|
3977 {
|
|
|
3978 value = window_displayed_height (w) - next_screen_context_lines;
|
|
|
3979 value = (value < 1 ? 1 : value);
|
|
|
3980 }
|
|
|
3981
|
|
|
3982 /* Going backwards is hard. We can't use the same loop used if the
|
|
|
3983 user specified a negative value because we care about
|
|
|
3984 next_screen_context_lines. In a variable height world you don't
|
|
|
3985 know how many lines above you can actually be displayed and still
|
|
|
3986 have the context lines appear. So we leave value set to 0 and add
|
|
|
3987 a separate section to deal with this. */
|
|
|
3988
|
|
|
3989 }
|
|
|
3990
|
|
|
3991 if (direction == 1 && !value)
|
|
|
3992 {
|
|
|
3993 return;
|
|
|
3994 }
|
|
412
|
3995 else if (value > 0)
|
|
0
|
3996 {
|
|
412
|
3997 int vtarget;
|
|
|
3998 Bufpos startp, old_start;
|
|
|
3999
|
|
|
4000 old_start = marker_position (w->start[CURRENT_DISP]);
|
|
|
4001 startp = vmotion (w, old_start, value, &vtarget);
|
|
|
4002
|
|
|
4003 if (vtarget < value &&
|
|
|
4004 (w->window_end_pos[CURRENT_DISP] == -1
|
|
|
4005 || (BUF_Z (b) - w->window_end_pos[CURRENT_DISP] > BUF_ZV (b))))
|
|
0
|
4006 {
|
|
412
|
4007 maybe_signal_error (Qend_of_buffer, Qnil, Qwindow, errb);
|
|
|
4008 return;
|
|
0
|
4009 }
|
|
|
4010 else
|
|
|
4011 {
|
|
412
|
4012 set_marker_restricted (w->start[CURRENT_DISP], make_int (startp),
|
|
|
4013 w->buffer);
|
|
|
4014 w->force_start = 1;
|
|
|
4015 w->start_at_line_beg = beginning_of_line_p (b, startp);
|
|
|
4016 MARK_WINDOWS_CHANGED (w);
|
|
|
4017
|
|
|
4018 if (!point_would_be_visible (w, startp, XINT (point)))
|
|
0
|
4019 {
|
|
412
|
4020 if (selected)
|
|
|
4021 BUF_SET_PT (b, startp);
|
|
|
4022 else
|
|
|
4023 set_marker_restricted (w->pointm[CURRENT_DISP],
|
|
|
4024 make_int (startp),
|
|
|
4025 w->buffer);
|
|
0
|
4026 }
|
|
|
4027 }
|
|
|
4028 }
|
|
|
4029 else if (value < 0)
|
|
|
4030 {
|
|
412
|
4031 int vtarget;
|
|
|
4032 Bufpos startp, old_start;
|
|
|
4033
|
|
|
4034 old_start = marker_position (w->start[CURRENT_DISP]);
|
|
|
4035 startp = vmotion (w, old_start, value, &vtarget);
|
|
|
4036
|
|
|
4037 if (vtarget > value
|
|
|
4038 && marker_position (w->start[CURRENT_DISP]) == BUF_BEGV (b))
|
|
0
|
4039 {
|
|
412
|
4040 maybe_signal_error (Qbeginning_of_buffer, Qnil, Qwindow, errb);
|
|
|
4041 return;
|
|
0
|
4042 }
|
|
|
4043 else
|
|
|
4044 {
|
|
412
|
4045 set_marker_restricted (w->start[CURRENT_DISP], make_int (startp),
|
|
|
4046 w->buffer);
|
|
|
4047 w->force_start = 1;
|
|
|
4048 w->start_at_line_beg = beginning_of_line_p (b, startp);
|
|
|
4049 MARK_WINDOWS_CHANGED (w);
|
|
|
4050
|
|
|
4051 if (!point_would_be_visible (w, startp, XINT (point)))
|
|
0
|
4052 {
|
|
412
|
4053 Bufpos new_point;
|
|
|
4054
|
|
|
4055 if (MINI_WINDOW_P (w))
|
|
|
4056 new_point = startp;
|
|
|
4057 else
|
|
|
4058 new_point = start_of_last_line (w, startp);
|
|
|
4059
|
|
|
4060 if (selected)
|
|
|
4061 BUF_SET_PT (b, new_point);
|
|
|
4062 else
|
|
|
4063 set_marker_restricted (w->pointm[CURRENT_DISP],
|
|
|
4064 make_int (new_point),
|
|
|
4065 w->buffer);
|
|
0
|
4066 }
|
|
|
4067 }
|
|
|
4068 }
|
|
|
4069 else /* value == 0 && direction == -1 */
|
|
|
4070 {
|
|
|
4071 if (marker_position (w->start[CURRENT_DISP]) == BUF_BEGV (b))
|
|
|
4072 {
|
|
|
4073 maybe_signal_error (Qbeginning_of_buffer, Qnil, Qwindow, errb);
|
|
|
4074 return;
|
|
|
4075 }
|
|
|
4076 else
|
|
|
4077 {
|
|
|
4078 int vtarget;
|
|
|
4079 int movement = next_screen_context_lines - 1;
|
|
|
4080 Bufpos old_startp = marker_position (w->start[CURRENT_DISP]);
|
|
|
4081 Bufpos bottom = vmotion (w, old_startp, movement, &vtarget);
|
|
|
4082 Bufpos startp =
|
|
|
4083 start_with_point_on_display_line (w, bottom,
|
|
|
4084 -1 - (movement - vtarget));
|
|
|
4085
|
|
|
4086 if (startp >= old_startp)
|
|
|
4087 startp = vmotion (w, old_startp, -1, NULL);
|
|
|
4088
|
|
|
4089 set_marker_restricted (w->start[CURRENT_DISP], make_int (startp),
|
|
|
4090 w->buffer);
|
|
|
4091 w->force_start = 1;
|
|
|
4092 w->start_at_line_beg = beginning_of_line_p (b, startp);
|
|
|
4093 MARK_WINDOWS_CHANGED (w);
|
|
|
4094
|
|
|
4095 if (!point_would_be_visible (w, startp, XINT (point)))
|
|
|
4096 {
|
|
|
4097 Bufpos new_point = start_of_last_line (w, startp);
|
|
|
4098
|
|
|
4099 if (selected)
|
|
|
4100 BUF_SET_PT (b, new_point);
|
|
|
4101 else
|
|
|
4102 set_marker_restricted (w->pointm[CURRENT_DISP],
|
|
|
4103 make_int (new_point),
|
|
|
4104 w->buffer);
|
|
|
4105 }
|
|
|
4106 }
|
|
|
4107 }
|
|
412
|
4108
|
|
0
|
4109 }
|
|
|
4110
|
|
20
|
4111 DEFUN ("scroll-up", Fscroll_up, 0, 1, "_P", /*
|
|
380
|
4112 Scroll text of current window upward N lines; or near full screen if no arg.
|
|
0
|
4113 A near full screen is `next-screen-context-lines' less than a full screen.
|
|
380
|
4114 Negative N means scroll downward.
|
|
|
4115 When calling from a program, supply an integer as argument or nil.
|
|
265
|
4116 On attempt to scroll past end of buffer, `end-of-buffer' is signaled.
|
|
|
4117 On attempt to scroll past beginning of buffer, `beginning-of-buffer' is
|
|
|
4118 signaled.
|
|
20
|
4119 */
|
|
|
4120 (n))
|
|
0
|
4121 {
|
|
265
|
4122 window_scroll (Fselected_window (Qnil), n, 1, ERROR_ME);
|
|
0
|
4123 return Qnil;
|
|
|
4124 }
|
|
|
4125
|
|
20
|
4126 DEFUN ("scroll-down", Fscroll_down, 0, 1, "_P", /*
|
|
380
|
4127 Scroll text of current window downward N lines; or near full screen if no arg.
|
|
0
|
4128 A near full screen is `next-screen-context-lines' less than a full screen.
|
|
380
|
4129 Negative N means scroll upward.
|
|
0
|
4130 When calling from a program, supply a number as argument or nil.
|
|
265
|
4131 On attempt to scroll past end of buffer, `end-of-buffer' is signaled.
|
|
|
4132 On attempt to scroll past beginning of buffer, `beginning-of-buffer' is
|
|
|
4133 signaled.
|
|
20
|
4134 */
|
|
|
4135 (n))
|
|
0
|
4136 {
|
|
265
|
4137 window_scroll (Fselected_window (Qnil), n, -1, ERROR_ME);
|
|
0
|
4138 return Qnil;
|
|
|
4139 }
|
|
|
4140
|
|
20
|
4141 DEFUN ("other-window-for-scrolling", Fother_window_for_scrolling, 0, 0, 0, /*
|
|
185
|
4142 Return the other window for "other window scroll" commands.
|
|
0
|
4143 If in the minibuffer, `minibuffer-scroll-window' if non-nil
|
|
|
4144 specifies the window.
|
|
|
4145 If `other-window-scroll-buffer' is non-nil, a window
|
|
|
4146 showing that buffer is used.
|
|
20
|
4147 */
|
|
|
4148 ())
|
|
0
|
4149 {
|
|
|
4150 Lisp_Object window;
|
|
|
4151 Lisp_Object selected_window = Fselected_window (Qnil);
|
|
|
4152
|
|
|
4153 if (MINI_WINDOW_P (XWINDOW (selected_window))
|
|
274
|
4154 && !NILP (Vminibuffer_scroll_window))
|
|
|
4155 window = Vminibuffer_scroll_window;
|
|
0
|
4156 /* If buffer is specified, scroll that buffer. */
|
|
|
4157 else if (!NILP (Vother_window_scroll_buffer))
|
|
|
4158 {
|
|
|
4159 window = Fget_buffer_window (Vother_window_scroll_buffer, Qnil, Qnil);
|
|
|
4160 if (NILP (window))
|
|
|
4161 window = display_buffer (Vother_window_scroll_buffer, Qt, Qnil);
|
|
|
4162 }
|
|
|
4163 else
|
|
|
4164 {
|
|
|
4165 /* Nothing specified; look for a neighboring window on the same
|
|
|
4166 frame. */
|
|
|
4167 window = Fnext_window (selected_window, Qnil, Qnil, Qnil);
|
|
|
4168
|
|
|
4169 if (EQ (window, selected_window))
|
|
|
4170 /* That didn't get us anywhere; look for a window on another
|
|
|
4171 visible frame. */
|
|
|
4172 do
|
|
|
4173 window = Fnext_window (window, Qnil, Qt, Qnil);
|
|
|
4174 while (! FRAME_VISIBLE_P (XFRAME (WINDOW_FRAME (XWINDOW (window))))
|
|
|
4175 && ! EQ (window, selected_window));
|
|
|
4176 }
|
|
|
4177
|
|
|
4178 CHECK_LIVE_WINDOW (window);
|
|
|
4179
|
|
|
4180 if (EQ (window, selected_window))
|
|
|
4181 error ("There is no other window");
|
|
|
4182
|
|
|
4183 return window;
|
|
|
4184 }
|
|
|
4185
|
|
20
|
4186 DEFUN ("scroll-other-window", Fscroll_other_window, 0, 1, "_P", /*
|
|
380
|
4187 Scroll next window upward N lines; or near full frame if no arg.
|
|
0
|
4188 The next window is the one below the current one; or the one at the top
|
|
380
|
4189 if the current one is at the bottom. Negative N means scroll downward.
|
|
0
|
4190 When calling from a program, supply a number as argument or nil.
|
|
|
4191
|
|
274
|
4192 If in the minibuffer, `minibuffer-scroll-window' if non-nil
|
|
0
|
4193 specifies the window to scroll.
|
|
|
4194 If `other-window-scroll-buffer' is non-nil, scroll the window
|
|
|
4195 showing that buffer, popping the buffer up if necessary.
|
|
20
|
4196 */
|
|
|
4197 (n))
|
|
0
|
4198 {
|
|
|
4199 window_scroll (Fother_window_for_scrolling (), n, 1, ERROR_ME);
|
|
|
4200 return Qnil;
|
|
|
4201 }
|
|
|
4202
|
|
20
|
4203 DEFUN ("scroll-left", Fscroll_left, 0, 1, "_P", /*
|
|
380
|
4204 Scroll selected window display N columns left.
|
|
|
4205 Default for N is window width minus 2.
|
|
20
|
4206 */
|
|
380
|
4207 (n))
|
|
0
|
4208 {
|
|
|
4209 Lisp_Object window = Fselected_window (Qnil);
|
|
|
4210 struct window *w = XWINDOW (window);
|
|
380
|
4211 int count = (NILP (n) ?
|
|
|
4212 window_char_width (w, 0) - 2 :
|
|
|
4213 XINT (Fprefix_numeric_value (n)));
|
|
|
4214
|
|
|
4215 return Fset_window_hscroll (window, make_int (w->hscroll + count));
|
|
0
|
4216 }
|
|
|
4217
|
|
20
|
4218 DEFUN ("scroll-right", Fscroll_right, 0, 1, "_P", /*
|
|
380
|
4219 Scroll selected window display N columns right.
|
|
|
4220 Default for N is window width minus 2.
|
|
20
|
4221 */
|
|
380
|
4222 (n))
|
|
0
|
4223 {
|
|
|
4224 Lisp_Object window = Fselected_window (Qnil);
|
|
|
4225 struct window *w = XWINDOW (window);
|
|
380
|
4226 int count = (NILP (n) ?
|
|
|
4227 window_char_width (w, 0) - 2 :
|
|
|
4228 XINT (Fprefix_numeric_value (n)));
|
|
|
4229
|
|
|
4230 return Fset_window_hscroll (window, make_int (w->hscroll - count));
|
|
0
|
4231 }
|
|
280
|
4232
|
|
|
4233 DEFUN ("center-to-window-line", Fcenter_to_window_line, 0, 2, "_P", /*
|
|
|
4234 Center point in WINDOW. With N, put point on line N.
|
|
0
|
4235 The desired position of point is always relative to the window.
|
|
|
4236 If WINDOW is nil, the selected window is used.
|
|
20
|
4237 */
|
|
|
4238 (n, window))
|
|
0
|
4239 {
|
|
280
|
4240 struct window *w = decode_window (window);
|
|
|
4241 struct buffer *b = XBUFFER (w->buffer);
|
|
|
4242 Bufpos opoint = BUF_PT (b);
|
|
0
|
4243 Bufpos startp;
|
|
280
|
4244
|
|
|
4245 if (NILP (n))
|
|
|
4246 startp = start_with_line_at_pixpos (w, opoint, window_half_pixpos (w));
|
|
0
|
4247 else
|
|
|
4248 {
|
|
|
4249 n = Fprefix_numeric_value (n);
|
|
|
4250 CHECK_INT (n);
|
|
|
4251 startp = start_with_point_on_display_line (w, opoint, XINT (n));
|
|
|
4252 }
|
|
|
4253
|
|
|
4254 Fset_marker (w->start[CURRENT_DISP], make_int (startp), w->buffer);
|
|
185
|
4255
|
|
0
|
4256 w->start_at_line_beg = beginning_of_line_p (b, startp);
|
|
|
4257 w->force_start = 1;
|
|
|
4258 MARK_WINDOWS_CHANGED (w);
|
|
|
4259 return Qnil;
|
|
|
4260 }
|
|
280
|
4261
|
|
20
|
4262 DEFUN ("move-to-window-line", Fmove_to_window_line, 1, 2, "_P", /*
|
|
0
|
4263 Position point relative to WINDOW.
|
|
|
4264 With no argument, position text at center of window.
|
|
|
4265 An argument specifies window line; zero means top of window,
|
|
|
4266 negative means relative to bottom of window.
|
|
|
4267 If WINDOW is nil, the selected window is used.
|
|
20
|
4268 */
|
|
|
4269 (arg, window))
|
|
0
|
4270 {
|
|
|
4271 struct window *w;
|
|
|
4272 struct buffer *b;
|
|
|
4273 int height;
|
|
|
4274 Bufpos start, new_point;
|
|
|
4275 int selected;
|
|
|
4276
|
|
280
|
4277 /* Don't use decode_window() because we need the new value of
|
|
|
4278 WINDOW. */
|
|
0
|
4279 if (NILP (window))
|
|
|
4280 window = Fselected_window (Qnil);
|
|
|
4281 else
|
|
414
|
4282 CHECK_LIVE_WINDOW (window);
|
|
0
|
4283 w = XWINDOW (window);
|
|
|
4284 b = XBUFFER (w->buffer);
|
|
|
4285
|
|
|
4286 height = window_displayed_height (w);
|
|
|
4287 selected = EQ (window, Fselected_window (w->frame));
|
|
|
4288
|
|
|
4289 if (NILP (arg))
|
|
|
4290 {
|
|
|
4291 int retval;
|
|
|
4292
|
|
|
4293 if (XINT (w->last_modified[CURRENT_DISP]) >= BUF_MODIFF (b)
|
|
|
4294 && XINT (w->last_facechange[CURRENT_DISP]) >= BUF_FACECHANGE (b))
|
|
|
4295 {
|
|
|
4296 new_point = point_at_center (w, CURRENT_DISP, 0, 0);
|
|
|
4297
|
|
|
4298 if (selected)
|
|
|
4299 BUF_SET_PT (b, new_point);
|
|
|
4300 else
|
|
|
4301 Fset_window_point (window, make_int (new_point));
|
|
|
4302
|
|
|
4303 retval = line_at_center (w, CURRENT_DISP, 0, 0);
|
|
|
4304 }
|
|
|
4305 else
|
|
|
4306 {
|
|
|
4307 start = marker_position (w->start[CURRENT_DISP]);
|
|
|
4308 if (start < BUF_BEGV (b))
|
|
|
4309 start = BUF_BEGV (b);
|
|
|
4310 else if (start > BUF_ZV (b))
|
|
|
4311 start = BUF_ZV (b);
|
|
|
4312
|
|
|
4313 if (selected)
|
|
|
4314 new_point = BUF_PT (b);
|
|
|
4315 else
|
|
|
4316 new_point = marker_position (w->pointm[CURRENT_DISP]);
|
|
|
4317
|
|
|
4318 new_point = point_at_center (w, CMOTION_DISP, start, BUF_PT (b));
|
|
|
4319
|
|
|
4320 if (selected)
|
|
|
4321 BUF_SET_PT (b, new_point);
|
|
|
4322 else
|
|
|
4323 Fset_window_point (window, make_int (new_point));
|
|
|
4324
|
|
|
4325 retval = line_at_center (w, CMOTION_DISP, start, BUF_PT (b));
|
|
|
4326 }
|
|
|
4327
|
|
149
|
4328 return make_int (retval);
|
|
0
|
4329 }
|
|
|
4330 else
|
|
|
4331 {
|
|
|
4332 /* #### Is this going to work right when at eob? */
|
|
|
4333 arg = Fprefix_numeric_value (arg);
|
|
|
4334 if (XINT (arg) < 0)
|
|
|
4335 XSETINT (arg, XINT (arg) + height);
|
|
|
4336 }
|
|
|
4337
|
|
|
4338 start = marker_position (w->start[CURRENT_DISP]);
|
|
|
4339 if (start < BUF_BEGV (b) || start > BUF_ZV (b))
|
|
|
4340 {
|
|
|
4341 if (selected)
|
|
|
4342 new_point = BUF_PT (b);
|
|
|
4343 else
|
|
|
4344 new_point = marker_position (w->pointm[CURRENT_DISP]);
|
|
|
4345
|
|
|
4346 new_point = vmotion (XWINDOW (window), new_point, -height / 2, 0);
|
|
|
4347
|
|
|
4348 if (selected)
|
|
|
4349 BUF_SET_PT (b, new_point);
|
|
|
4350 else
|
|
|
4351 Fset_window_point (window, make_int (new_point));
|
|
|
4352
|
|
|
4353 Fset_marker (w->start[CURRENT_DISP], make_int (new_point),
|
|
|
4354 w->buffer);
|
|
|
4355 w->start_at_line_beg = beginning_of_line_p (b, new_point);
|
|
|
4356 w->force_start = 1;
|
|
|
4357 }
|
|
|
4358 else
|
|
|
4359 {
|
|
|
4360 if (selected)
|
|
|
4361 BUF_SET_PT (b, start);
|
|
|
4362 else
|
|
|
4363 Fset_window_point (window, make_int (start));
|
|
|
4364 }
|
|
|
4365
|
|
|
4366 if (selected)
|
|
288
|
4367 return Fvertical_motion (arg, window, Qnil);
|
|
0
|
4368 else
|
|
|
4369 {
|
|
|
4370 int vpos;
|
|
|
4371 new_point = vmotion (XWINDOW (window),
|
|
|
4372 marker_position (w->pointm[CURRENT_DISP]),
|
|
|
4373 XINT (arg), &vpos);
|
|
|
4374 Fset_window_point (window, make_int (new_point));
|
|
|
4375 return make_int (vpos);
|
|
|
4376 }
|
|
|
4377 }
|
|
|
4378
|
|
|
4379
|
|
|
4380 static int
|
|
|
4381 map_windows_1 (Lisp_Object window,
|
|
|
4382 int (*mapfun) (struct window *w, void *closure),
|
|
|
4383 void *closure)
|
|
|
4384 {
|
|
|
4385 for (; !NILP (window); window = XWINDOW (window)->next)
|
|
|
4386 {
|
|
272
|
4387 int retval;
|
|
0
|
4388 struct window *w = XWINDOW (window);
|
|
251
|
4389
|
|
0
|
4390 if (!NILP (w->vchild))
|
|
|
4391 retval = map_windows_1 (w->vchild, mapfun, closure);
|
|
|
4392 else if (!NILP (w->hchild))
|
|
|
4393 retval = map_windows_1 (w->hchild, mapfun, closure);
|
|
|
4394 else
|
|
|
4395 retval = (mapfun) (w, closure);
|
|
272
|
4396
|
|
0
|
4397 if (retval)
|
|
|
4398 return retval;
|
|
|
4399 }
|
|
|
4400
|
|
272
|
4401 return 0;
|
|
0
|
4402 }
|
|
|
4403
|
|
|
4404 /* Map MAPFUN over the windows in F. CLOSURE is passed to each
|
|
251
|
4405 invocation of MAPFUN. If any invocation of MAPFUN returns
|
|
|
4406 non-zero, the mapping is halted. Otherwise, map_windows() maps
|
|
|
4407 over all windows in F.
|
|
|
4408
|
|
380
|
4409 If MAPFUN creates or deletes windows, the behavior is undefined. */
|
|
251
|
4410
|
|
284
|
4411 int
|
|
0
|
4412 map_windows (struct frame *f, int (*mapfun) (struct window *w, void *closure),
|
|
|
4413 void *closure)
|
|
|
4414 {
|
|
251
|
4415 if (f)
|
|
284
|
4416 return map_windows_1 (FRAME_ROOT_WINDOW (f), mapfun, closure);
|
|
251
|
4417 else
|
|
|
4418 {
|
|
|
4419 Lisp_Object frmcons, devcons, concons;
|
|
|
4420
|
|
|
4421 FRAME_LOOP_NO_BREAK(frmcons, devcons, concons)
|
|
|
4422 {
|
|
284
|
4423 int v = map_windows_1 (FRAME_ROOT_WINDOW (XFRAME (XCAR (frmcons))),
|
|
|
4424 mapfun, closure);
|
|
380
|
4425 if (v)
|
|
284
|
4426 return v;
|
|
251
|
4427 }
|
|
|
4428 }
|
|
286
|
4429
|
|
|
4430 return 0;
|
|
0
|
4431 }
|
|
|
4432
|
|
|
4433
|
|
|
4434 static void
|
|
|
4435 modeline_shadow_thickness_changed (Lisp_Object specifier, struct window *w,
|
|
|
4436 Lisp_Object oldval)
|
|
|
4437 {
|
|
|
4438 w->shadow_thickness_changed = 1;
|
|
|
4439 MARK_WINDOWS_CHANGED (w);
|
|
|
4440 }
|
|
|
4441
|
|
284
|
4442 static void
|
|
380
|
4443 vertical_divider_changed_in_window (Lisp_Object specifier,
|
|
|
4444 struct window *w,
|
|
284
|
4445 Lisp_Object oldval)
|
|
|
4446 {
|
|
|
4447 MARK_WINDOWS_CHANGED (w);
|
|
|
4448 MARK_FRAME_WINDOWS_STRUCTURE_CHANGED (XFRAME (WINDOW_FRAME (w)));
|
|
|
4449 }
|
|
|
4450
|
|
0
|
4451 /* also used in scrollbar.c */
|
|
|
4452 void
|
|
|
4453 some_window_value_changed (Lisp_Object specifier, struct window *w,
|
|
|
4454 Lisp_Object oldval)
|
|
|
4455 {
|
|
|
4456 MARK_WINDOWS_CHANGED (w);
|
|
|
4457 }
|
|
|
4458
|
|
|
4459 #ifdef MEMORY_USAGE_STATS
|
|
|
4460
|
|
|
4461 struct window_stats
|
|
|
4462 {
|
|
|
4463 int face;
|
|
|
4464 int glyph;
|
|
|
4465 #ifdef HAVE_SCROLLBARS
|
|
|
4466 int scrollbar;
|
|
|
4467 #endif
|
|
|
4468 int line_start;
|
|
|
4469 int other_redisplay;
|
|
|
4470 int other;
|
|
|
4471 };
|
|
|
4472
|
|
|
4473 static void
|
|
|
4474 compute_window_mirror_usage (struct window_mirror *mir,
|
|
|
4475 struct window_stats *stats,
|
|
|
4476 struct overhead_stats *ovstats)
|
|
|
4477 {
|
|
|
4478 if (!mir)
|
|
|
4479 return;
|
|
|
4480 stats->other += malloced_storage_size (mir, sizeof (struct window_mirror),
|
|
|
4481 ovstats);
|
|
|
4482 #ifdef HAVE_SCROLLBARS
|
|
|
4483 {
|
|
|
4484 struct device *d = XDEVICE (FRAME_DEVICE (mir->frame));
|
|
|
4485
|
|
|
4486 stats->scrollbar +=
|
|
|
4487 compute_scrollbar_instance_usage (d, mir->scrollbar_vertical_instance,
|
|
|
4488 ovstats);
|
|
|
4489 stats->scrollbar +=
|
|
|
4490 compute_scrollbar_instance_usage (d, mir->scrollbar_horizontal_instance,
|
|
|
4491 ovstats);
|
|
|
4492 }
|
|
149
|
4493 #endif /* HAVE_SCROLLBARS */
|
|
0
|
4494 stats->other_redisplay +=
|
|
|
4495 compute_display_line_dynarr_usage (mir->current_display_lines, ovstats);
|
|
|
4496 stats->other_redisplay +=
|
|
|
4497 compute_display_line_dynarr_usage (mir->desired_display_lines, ovstats);
|
|
|
4498 }
|
|
|
4499
|
|
|
4500 static void
|
|
|
4501 compute_window_usage (struct window *w, struct window_stats *stats,
|
|
|
4502 struct overhead_stats *ovstats)
|
|
|
4503 {
|
|
272
|
4504 xzero (*stats);
|
|
0
|
4505 stats->other += malloced_storage_size (w, sizeof (struct window), ovstats);
|
|
|
4506 stats->face += compute_face_cachel_usage (w->face_cachels, ovstats);
|
|
|
4507 stats->glyph += compute_glyph_cachel_usage (w->glyph_cachels, ovstats);
|
|
|
4508 stats->line_start +=
|
|
|
4509 compute_line_start_cache_dynarr_usage (w->line_start_cache, ovstats);
|
|
|
4510 compute_window_mirror_usage (find_window_mirror (w), stats, ovstats);
|
|
|
4511 }
|
|
|
4512
|
|
20
|
4513 DEFUN ("window-memory-usage", Fwindow_memory_usage, 1, 1, 0, /*
|
|
0
|
4514 Return stats about the memory usage of window WINDOW.
|
|
272
|
4515 The values returned are in the form of an alist of usage types and byte
|
|
0
|
4516 counts. The byte counts attempt to encompass all the memory used
|
|
|
4517 by the window (separate from the memory logically associated with a
|
|
|
4518 buffer or frame), including internal structures and any malloc()
|
|
|
4519 overhead associated with them. In practice, the byte counts are
|
|
|
4520 underestimated because certain memory usage is very hard to determine
|
|
272
|
4521 \(e.g. the amount of memory used inside the Xt library or inside the
|
|
0
|
4522 X server) and because there is other stuff that might logically
|
|
|
4523 be associated with a window, buffer, or frame (e.g. window configurations,
|
|
|
4524 glyphs) but should not obviously be included in the usage counts.
|
|
|
4525
|
|
|
4526 Multiple slices of the total memory usage may be returned, separated
|
|
|
4527 by a nil. Each slice represents a particular view of the memory, a
|
|
|
4528 particular way of partitioning it into groups. Within a slice, there
|
|
|
4529 is no overlap between the groups of memory, and each slice collectively
|
|
|
4530 represents all the memory concerned.
|
|
20
|
4531 */
|
|
|
4532 (window))
|
|
0
|
4533 {
|
|
|
4534 struct window_stats stats;
|
|
|
4535 struct overhead_stats ovstats;
|
|
272
|
4536 Lisp_Object val = Qnil;
|
|
0
|
4537
|
|
|
4538 CHECK_WINDOW (window); /* dead windows should be allowed, no? */
|
|
272
|
4539 xzero (ovstats);
|
|
0
|
4540 compute_window_usage (XWINDOW (window), &stats, &ovstats);
|
|
|
4541
|
|
272
|
4542 val = acons (Qface_cache, make_int (stats.face), val);
|
|
|
4543 val = acons (Qglyph_cache, make_int (stats.glyph), val);
|
|
0
|
4544 #ifdef HAVE_SCROLLBARS
|
|
272
|
4545 val = acons (Qscrollbar_instances, make_int (stats.scrollbar), val);
|
|
0
|
4546 #endif
|
|
272
|
4547 val = acons (Qline_start_cache, make_int (stats.line_start), val);
|
|
|
4548 val = acons (Qother_redisplay, make_int (stats.other_redisplay), val);
|
|
|
4549 val = acons (Qother, make_int (stats.other), val);
|
|
|
4550 val = Fcons (Qnil, val);
|
|
|
4551 val = acons (Qactually_requested, make_int (ovstats.was_requested), val);
|
|
|
4552 val = acons (Qmalloc_overhead, make_int (ovstats.malloc_overhead), val);
|
|
|
4553 val = acons (Qdynarr_overhead, make_int (ovstats.dynarr_overhead), val);
|
|
|
4554
|
|
|
4555 return Fnreverse (val);
|
|
0
|
4556 }
|
|
|
4557
|
|
|
4558 #endif /* MEMORY_USAGE_STATS */
|
|
|
4559
|
|
|
4560
|
|
|
4561 /************************************************************************/
|
|
|
4562 /* Window configurations */
|
|
|
4563 /************************************************************************/
|
|
|
4564
|
|
|
4565 /* #### This window configuration stuff has had serious bugs lurking in it
|
|
|
4566 for years; it would be a -huge- win if this was reimplemented in lisp.
|
|
|
4567 */
|
|
|
4568
|
|
|
4569 /* If you add anything to this structure make sure saved_window_equal
|
|
|
4570 knows about it. */
|
|
|
4571 struct saved_window
|
|
|
4572 {
|
|
|
4573 Lisp_Object window; /* window */
|
|
|
4574 Lisp_Object buffer; /* buffer */
|
|
|
4575 Lisp_Object start; /* copied marker */
|
|
|
4576 Lisp_Object pointm; /* copied marker */
|
|
|
4577 Lisp_Object sb_point; /* copied marker */
|
|
|
4578 Lisp_Object mark; /* copied marker */
|
|
|
4579 int pixel_left;
|
|
|
4580 int pixel_top;
|
|
|
4581 int pixel_width;
|
|
|
4582 int pixel_height;
|
|
|
4583 int hscroll;
|
|
412
|
4584 int modeline_hscroll;
|
|
0
|
4585 int parent_index; /* index into saved_windows */
|
|
|
4586 int prev_index; /* index into saved_windows */
|
|
|
4587 char start_at_line_beg; /* boolean */
|
|
284
|
4588
|
|
|
4589 #define WINDOW_SLOT_DECLARATION
|
|
|
4590 #define WINDOW_SLOT(slot, compare) Lisp_Object slot
|
|
|
4591 #include "winslots.h"
|
|
0
|
4592 };
|
|
|
4593
|
|
|
4594 /* If you add anything to this structure make sure window_config_equal
|
|
|
4595 knows about it. */
|
|
|
4596 struct window_config
|
|
|
4597 {
|
|
|
4598 struct lcrecord_header header;
|
|
398
|
4599 /* int frame_width; No longer needed, JV
|
|
|
4600 int frame_height; */
|
|
0
|
4601 #if 0 /* FSFmacs */
|
|
|
4602 Lisp_Object selected_frame;
|
|
|
4603 #endif
|
|
|
4604 Lisp_Object current_window;
|
|
|
4605 Lisp_Object current_buffer;
|
|
274
|
4606 Lisp_Object minibuffer_scroll_window;
|
|
0
|
4607 Lisp_Object root_window;
|
|
398
|
4608 int minibuf_height; /* 0 = no minibuffer, <0, size in lines, >0 in pixels */
|
|
0
|
4609 /* Record the values of window-min-width and window-min-height
|
|
|
4610 so that window sizes remain consistent with them. */
|
|
|
4611 int min_width, min_height;
|
|
|
4612 int saved_windows_count;
|
|
|
4613 /* Zero-sized arrays aren't ANSI C */
|
|
|
4614 struct saved_window saved_windows[1];
|
|
|
4615 };
|
|
272
|
4616
|
|
0
|
4617 #define SAVED_WINDOW_N(conf, n) (&((conf)->saved_windows[(n)]))
|
|
|
4618 #define XWINDOW_CONFIGURATION(x) XRECORD (x, window_configuration, struct window_config)
|
|
|
4619 #define XSETWINDOW_CONFIGURATION(x, p) XSETRECORD (x, p, window_configuration)
|
|
|
4620 #define WINDOW_CONFIGURATIONP(x) RECORDP (x, window_configuration)
|
|
412
|
4621 #define GC_WINDOW_CONFIGURATIONP(x) GC_RECORDP (x, window_configuration)
|
|
0
|
4622 #define CHECK_WINDOW_CONFIGURATION(x) CHECK_RECORD (x, window_configuration)
|
|
|
4623
|
|
|
4624 static Lisp_Object
|
|
412
|
4625 mark_window_config (Lisp_Object obj, void (*markobj) (Lisp_Object))
|
|
0
|
4626 {
|
|
|
4627 struct window_config *config = XWINDOW_CONFIGURATION (obj);
|
|
|
4628 int i;
|
|
412
|
4629 markobj (config->current_window);
|
|
|
4630 markobj (config->current_buffer);
|
|
|
4631 markobj (config->minibuffer_scroll_window);
|
|
|
4632 markobj (config->root_window);
|
|
217
|
4633
|
|
0
|
4634 for (i = 0; i < config->saved_windows_count; i++)
|
|
|
4635 {
|
|
|
4636 struct saved_window *s = SAVED_WINDOW_N (config, i);
|
|
412
|
4637 markobj (s->window);
|
|
|
4638 markobj (s->buffer);
|
|
|
4639 markobj (s->start);
|
|
|
4640 markobj (s->pointm);
|
|
|
4641 markobj (s->sb_point);
|
|
|
4642 markobj (s->mark);
|
|
284
|
4643 #if 0
|
|
|
4644 /* #### This looked like this. I do not see why specifier cached
|
|
|
4645 values should not be marked, as such specifiers as toolbars
|
|
|
4646 might have GC-able instances. Freed configs are not marked,
|
|
|
4647 aren't they? -- kkm */
|
|
412
|
4648 markobj (s->dedicated);
|
|
284
|
4649 #else
|
|
412
|
4650 #define WINDOW_SLOT(slot, compare) ((void) (markobj (s->slot)))
|
|
284
|
4651 #include "winslots.h"
|
|
|
4652 #endif
|
|
0
|
4653 }
|
|
149
|
4654 return Qnil;
|
|
0
|
4655 }
|
|
|
4656
|
|
272
|
4657 static size_t
|
|
0
|
4658 sizeof_window_config_for_n_windows (int n)
|
|
|
4659 {
|
|
|
4660 return (sizeof (struct window_config) +
|
|
|
4661 /* n - 1 because zero-sized arrays aren't ANSI C */
|
|
|
4662 (n - 1) *sizeof (struct saved_window));
|
|
|
4663 }
|
|
|
4664
|
|
272
|
4665 static size_t
|
|
412
|
4666 sizeof_window_config (CONST void *h)
|
|
398
|
4667 {
|
|
412
|
4668 CONST struct window_config *c = (CONST struct window_config *) h;
|
|
0
|
4669 return sizeof_window_config_for_n_windows (c->saved_windows_count);
|
|
|
4670 }
|
|
|
4671
|
|
|
4672 static void
|
|
|
4673 print_window_config (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
|
|
|
4674 {
|
|
|
4675 struct window_config *config = XWINDOW_CONFIGURATION (obj);
|
|
|
4676 char buf[200];
|
|
|
4677 if (print_readably)
|
|
|
4678 error ("printing unreadable object #<window-configuration 0x%x>",
|
|
|
4679 config->header.uid);
|
|
|
4680 write_c_string ("#<window-configuration ", printcharfun);
|
|
|
4681 sprintf (buf, "0x%x>", config->header.uid);
|
|
|
4682 write_c_string (buf, printcharfun);
|
|
|
4683 }
|
|
|
4684
|
|
272
|
4685 DEFINE_LRECORD_SEQUENCE_IMPLEMENTATION ("window-configuration",
|
|
|
4686 window_configuration,
|
|
|
4687 mark_window_config,
|
|
|
4688 print_window_config,
|
|
420
|
4689 0, 0, 0, 0, sizeof_window_config,
|
|
272
|
4690 struct window_config);
|
|
|
4691
|
|
|
4692
|
|
0
|
4693 /* Returns a boolean indicating whether the two saved windows are
|
|
|
4694 identical. */
|
|
|
4695 static int
|
|
|
4696 saved_window_equal (struct saved_window *win1, struct saved_window *win2)
|
|
|
4697 {
|
|
284
|
4698 #define WINDOW_SLOT(slot, compare) \
|
|
|
4699 if (!compare (win1->slot, win2->slot)) \
|
|
|
4700 return 0;
|
|
|
4701 #include "winslots.h"
|
|
|
4702
|
|
149
|
4703 return
|
|
|
4704 EQ (win1->window, win2->window) &&
|
|
|
4705 EQ (win1->buffer, win2->buffer) &&
|
|
195
|
4706 internal_equal (win1->start, win2->start, 0) &&
|
|
|
4707 internal_equal (win1->pointm, win2->pointm, 0) &&
|
|
|
4708 internal_equal (win1->sb_point, win2->sb_point, 0) &&
|
|
|
4709 internal_equal (win1->mark, win2->mark, 0) &&
|
|
149
|
4710 win1->pixel_left == win2->pixel_left &&
|
|
|
4711 win1->pixel_top == win2->pixel_top &&
|
|
|
4712 win1->pixel_width == win2->pixel_width &&
|
|
|
4713 win1->pixel_height == win2->pixel_height &&
|
|
|
4714 win1->hscroll == win2->hscroll &&
|
|
257
|
4715 win1->modeline_hscroll == win2->modeline_hscroll &&
|
|
149
|
4716 win1->parent_index == win2->parent_index &&
|
|
|
4717 win1->prev_index == win2->prev_index &&
|
|
284
|
4718 win1->start_at_line_beg == win2->start_at_line_beg;
|
|
0
|
4719 }
|
|
|
4720
|
|
|
4721 /* Returns a boolean indicating whether the two given configurations
|
|
|
4722 are identical. */
|
|
|
4723 static int
|
|
|
4724 window_config_equal (Lisp_Object conf1, Lisp_Object conf2)
|
|
|
4725 {
|
|
|
4726 struct window_config *fig1, *fig2;
|
|
|
4727 int i;
|
|
|
4728
|
|
|
4729 /* First check if they are truly the same. */
|
|
|
4730 if (EQ (conf1, conf2))
|
|
|
4731 return 1;
|
|
|
4732
|
|
|
4733 fig1 = XWINDOW_CONFIGURATION (conf1);
|
|
|
4734 fig2 = XWINDOW_CONFIGURATION (conf2);
|
|
|
4735
|
|
149
|
4736 if (!((fig1->saved_windows_count == fig2->saved_windows_count) &&
|
|
274
|
4737 EQ (fig1->current_window, fig2->current_window) &&
|
|
|
4738 EQ (fig1->current_buffer, fig2->current_buffer) &&
|
|
|
4739 EQ (fig1->root_window, fig2->root_window) &&
|
|
398
|
4740 EQ (fig1->minibuffer_scroll_window, fig2->minibuffer_scroll_window)))
|
|
|
4741 /* &&
|
|
149
|
4742 fig1->frame_width == fig2->frame_width &&
|
|
398
|
4743 fig1->frame_height == fig2->frame_height)) */
|
|
0
|
4744 return 0;
|
|
|
4745
|
|
|
4746 for (i = 0; i < fig1->saved_windows_count; i++)
|
|
|
4747 {
|
|
|
4748 if (!saved_window_equal (SAVED_WINDOW_N (fig1, i),
|
|
|
4749 SAVED_WINDOW_N (fig2, i)))
|
|
|
4750 return 0;
|
|
|
4751 }
|
|
|
4752
|
|
|
4753 return 1;
|
|
|
4754 }
|
|
|
4755
|
|
20
|
4756 DEFUN ("window-configuration-p", Fwindow_configuration_p, 1, 1, 0, /*
|
|
272
|
4757 Return t if OBJECT is a window-configuration object.
|
|
20
|
4758 */
|
|
|
4759 (obj))
|
|
0
|
4760 {
|
|
149
|
4761 return WINDOW_CONFIGURATIONP (obj) ? Qt : Qnil;
|
|
0
|
4762 }
|
|
|
4763
|
|
251
|
4764 static int
|
|
|
4765 mark_windows_in_use_closure (struct window *w, void *closure)
|
|
0
|
4766 {
|
|
251
|
4767 int mark = *(int *)closure;
|
|
|
4768 w->config_mark = mark;
|
|
|
4769 return 0;
|
|
|
4770 }
|
|
|
4771
|
|
|
4772 static void
|
|
|
4773 mark_windows_in_use (struct frame *f, int mark)
|
|
|
4774 {
|
|
|
4775 map_windows (f, mark_windows_in_use_closure, &mark);
|
|
0
|
4776 }
|
|
|
4777
|
|
|
4778 /* Lisp_Object return value so it can be used in record_unwind_protect() */
|
|
|
4779 static Lisp_Object
|
|
|
4780 free_window_configuration (Lisp_Object window_config)
|
|
|
4781 {
|
|
|
4782 int i;
|
|
|
4783 struct window_config *config = XWINDOW_CONFIGURATION (window_config);
|
|
|
4784
|
|
|
4785 /* Free all the markers. It's not completely necessary that
|
|
|
4786 we do this (window configs sitting in a free list aren't
|
|
|
4787 marked normally so the markers wouldn't be marked anyway)
|
|
|
4788 but it's more efficient. */
|
|
|
4789 for (i = 0; i < config->saved_windows_count; i++)
|
|
|
4790 {
|
|
|
4791 struct saved_window *p = SAVED_WINDOW_N (config, i);
|
|
|
4792
|
|
|
4793 if (!NILP (p->pointm))
|
|
|
4794 {
|
|
|
4795 free_marker (XMARKER (p->pointm));
|
|
|
4796 p->pointm = Qnil;
|
|
|
4797 }
|
|
|
4798 if (!NILP (p->start))
|
|
|
4799 {
|
|
|
4800 free_marker (XMARKER (p->start));
|
|
|
4801 p->start = Qnil;
|
|
|
4802 }
|
|
|
4803 if (!NILP (p->sb_point))
|
|
|
4804 {
|
|
|
4805 free_marker (XMARKER (p->sb_point));
|
|
|
4806 p->sb_point = Qnil;
|
|
|
4807 }
|
|
|
4808 if (!NILP (p->mark))
|
|
|
4809 {
|
|
|
4810 free_marker (XMARKER (p->mark));
|
|
|
4811 p->mark = Qnil;
|
|
|
4812 }
|
|
|
4813 }
|
|
|
4814
|
|
|
4815 if (config->saved_windows_count <= countof (Vwindow_configuration_free_list))
|
|
|
4816 free_managed_lcrecord (Vwindow_configuration_free_list
|
|
|
4817 [config->saved_windows_count - 1],
|
|
|
4818 window_config);
|
|
|
4819
|
|
|
4820 return Qnil;
|
|
|
4821 }
|
|
|
4822
|
|
20
|
4823 DEFUN ("set-window-configuration", Fset_window_configuration, 1, 1, 0, /*
|
|
0
|
4824 Set the configuration of windows and buffers as specified by CONFIGURATION.
|
|
|
4825 CONFIGURATION must be a value previously returned
|
|
|
4826 by `current-window-configuration' (which see).
|
|
20
|
4827 */
|
|
|
4828 (configuration))
|
|
0
|
4829 {
|
|
|
4830 struct window *w;
|
|
|
4831 struct window_config *config;
|
|
|
4832 struct saved_window *p;
|
|
|
4833 Lisp_Object new_current_buffer;
|
|
|
4834 int k;
|
|
|
4835 Lisp_Object frame;
|
|
|
4836 struct frame *f;
|
|
|
4837 struct gcpro gcpro1;
|
|
|
4838 Lisp_Object old_window_config;
|
|
398
|
4839 /* int previous_frame_height;
|
|
|
4840 int previous_frame_width;*/
|
|
|
4841 int previous_pixel_top;
|
|
|
4842 int previous_pixel_height;
|
|
|
4843 int previous_pixel_left;
|
|
|
4844 int previous_pixel_width;
|
|
|
4845 int previous_minibuf_height, previous_minibuf_top,previous_minibuf_width;
|
|
|
4846 int real_font_height;
|
|
412
|
4847 int converted_minibuf_height,target_minibuf_height;
|
|
0
|
4848 int specpdl_count = specpdl_depth ();
|
|
|
4849
|
|
|
4850 GCPRO1 (configuration);
|
|
|
4851
|
|
|
4852 CHECK_WINDOW_CONFIGURATION (configuration);
|
|
|
4853 config = XWINDOW_CONFIGURATION (configuration);
|
|
|
4854
|
|
|
4855 frame = XWINDOW (SAVED_WINDOW_N (config, 0)->window)->frame;
|
|
|
4856 f = XFRAME (frame);
|
|
|
4857
|
|
|
4858 /* Do not signal an error here if the frame was deleted. There are
|
|
|
4859 reasonable cases where we could get here with a deleted frame and
|
|
|
4860 just want to do close to nothing instead. */
|
|
|
4861
|
|
|
4862 if (FRAME_LIVE_P (f))
|
|
|
4863 {
|
|
|
4864 /* restore the frame characteristics */
|
|
185
|
4865
|
|
0
|
4866 new_current_buffer = config->current_buffer;
|
|
|
4867 if (!BUFFER_LIVE_P (XBUFFER (new_current_buffer)))
|
|
|
4868 new_current_buffer = Qnil;
|
|
|
4869
|
|
|
4870 /*
|
|
|
4871 * Assumed precondition: w->config_mark = 0 for all w
|
|
|
4872 * This procedure should ensure this is true by the time it exits
|
|
|
4873 * to ensure the precondition for future calls.
|
|
|
4874 *
|
|
|
4875 * We use w->config_mark to know whether we're modifying a
|
|
|
4876 * window that is currently visible on the frame (#### we
|
|
|
4877 * should just be able to check whether the window is dead
|
|
|
4878 * or not, but this way is safer?). As we process each
|
|
|
4879 * window, we set its config_mark to 0. At the end, we
|
|
|
4880 * go through all the windows that used to be on the frame,
|
|
|
4881 * set each one's config_mark to 0 (to maintain the
|
|
|
4882 * assumed precondition) and delete each one that's no
|
|
|
4883 * longer in use.
|
|
|
4884 *
|
|
|
4885 * #### Using a window-configuration to keep track of
|
|
|
4886 * the current windows is wasteful. All we need is the
|
|
|
4887 * list of windows, so we could just use a dynarr.
|
|
|
4888 */
|
|
|
4889 old_window_config = Fcurrent_window_configuration (frame);
|
|
|
4890
|
|
|
4891 /* If the new configuration is already equal to the old, then stop
|
|
|
4892 right here. This saves the work below and it also saves
|
|
|
4893 triggering a full redisplay of this window. This is a huge win
|
|
|
4894 when using the mouse since the mode motion code uses
|
|
|
4895 save-window-excursion extensively but will rarely cause the
|
|
|
4896 configuration to actually change. */
|
|
|
4897 if (window_config_equal (configuration, old_window_config))
|
|
|
4898 {
|
|
|
4899 free_window_configuration (old_window_config);
|
|
|
4900 UNGCPRO;
|
|
|
4901 return Qnil;
|
|
|
4902 }
|
|
|
4903
|
|
|
4904 /* We can't quit or even check for quit because that may cause
|
|
|
4905 investigation of the frame state, which may crash if the frame is
|
|
|
4906 in an inconsistent state. */
|
|
|
4907 begin_dont_check_for_quit ();
|
|
|
4908 record_unwind_protect (free_window_configuration, old_window_config);
|
|
|
4909
|
|
251
|
4910 mark_windows_in_use (f, 1);
|
|
0
|
4911
|
|
398
|
4912 #if 0
|
|
|
4913 /* JV: This is bogus,
|
|
|
4914 First of all, the units are inconsistent. The frame sizes are measured
|
|
412
|
4915 in characters but the window sizes are stored in pixels. So if a
|
|
398
|
4916 font size change happened between saving and restoring, the
|
|
|
4917 frame "sizes" maybe equal but the windows still should be
|
|
|
4918 resized. This is tickled alot by the new "character size
|
|
|
4919 stays constant" policy in 21.0. It leads to very wierd
|
|
412
|
4920 glitches (and possibly craches when asserts are tickled).
|
|
398
|
4921
|
|
|
4922 Just changing the units doens't help because changing the
|
|
|
4923 toolbar configuration can also change the pixel positions.
|
|
|
4924 Luckily there is a much simpler way of doing this, see below.
|
|
|
4925 */
|
|
0
|
4926 previous_frame_width = FRAME_WIDTH (f);
|
|
|
4927 previous_frame_height = FRAME_HEIGHT (f);
|
|
|
4928 /* If the frame has been resized since this window configuration was
|
|
|
4929 made, we change the frame to the size specified in the
|
|
|
4930 configuration, restore the configuration, and then resize it
|
|
|
4931 back. We keep track of the prevailing height in these variables. */
|
|
|
4932 if (config->frame_height != FRAME_HEIGHT (f)
|
|
|
4933 || config->frame_width != FRAME_WIDTH (f))
|
|
|
4934 change_frame_size (f, config->frame_height, config->frame_width, 0);
|
|
398
|
4935 #endif
|
|
412
|
4936
|
|
398
|
4937 previous_pixel_top = XWINDOW (FRAME_ROOT_WINDOW (f))->pixel_top;
|
|
|
4938 previous_pixel_height = XWINDOW (FRAME_ROOT_WINDOW (f))->pixel_height;
|
|
|
4939 previous_pixel_left = XWINDOW (FRAME_ROOT_WINDOW (f))->pixel_left;
|
|
|
4940 previous_pixel_width = XWINDOW (FRAME_ROOT_WINDOW (f))->pixel_width;
|
|
|
4941
|
|
|
4942 /* remember some properties of the minibuffer */
|
|
|
4943
|
|
|
4944 default_face_height_and_width (frame, &real_font_height, 0);
|
|
|
4945 assert(real_font_height > 0);
|
|
412
|
4946
|
|
398
|
4947 if (FRAME_HAS_MINIBUF_P (f) && ! FRAME_MINIBUF_ONLY_P (f))
|
|
|
4948 {
|
|
|
4949 previous_minibuf_height
|
|
|
4950 = XWINDOW(FRAME_MINIBUF_WINDOW(f))->pixel_height;
|
|
|
4951 previous_minibuf_top
|
|
|
4952 = XWINDOW(FRAME_MINIBUF_WINDOW(f))->pixel_top;
|
|
|
4953 previous_minibuf_width
|
|
|
4954 = XWINDOW(FRAME_MINIBUF_WINDOW(f))->pixel_width;
|
|
|
4955 }
|
|
|
4956 else
|
|
|
4957 {
|
|
|
4958 previous_minibuf_height = 0;
|
|
|
4959 previous_minibuf_width = 0;
|
|
|
4960 }
|
|
|
4961 converted_minibuf_height =
|
|
|
4962 (previous_minibuf_height % real_font_height) == 0 ?
|
|
|
4963 - (previous_minibuf_height / real_font_height ) : /* lines */
|
|
|
4964 previous_minibuf_height; /* pixels */
|
|
412
|
4965
|
|
0
|
4966 /* Temporarily avoid any problems with windows that are smaller
|
|
|
4967 than they are supposed to be. */
|
|
|
4968 window_min_height = 1;
|
|
|
4969 window_min_width = 1;
|
|
|
4970
|
|
|
4971 /* OK, now restore all the windows in the window config.
|
|
|
4972 This may involve "undeleting" windows, since the
|
|
|
4973 windows in the window config may be deleted.
|
|
|
4974 */
|
|
|
4975 for (k = 0; k < config->saved_windows_count; k++)
|
|
|
4976 {
|
|
|
4977 p = SAVED_WINDOW_N (config, k);
|
|
|
4978 w = XWINDOW (p->window);
|
|
|
4979 w->next = Qnil;
|
|
|
4980
|
|
|
4981 /* The window might be dead. In this case, its redisplay
|
|
|
4982 structures were freed, so we need to reallocate them. */
|
|
|
4983 if (!w->face_cachels)
|
|
|
4984 {
|
|
185
|
4985 w->face_cachels = Dynarr_new (face_cachel);
|
|
0
|
4986 reset_face_cachels (w);
|
|
|
4987 }
|
|
|
4988 if (!w->glyph_cachels)
|
|
185
|
4989 w->glyph_cachels = Dynarr_new (glyph_cachel);
|
|
0
|
4990 if (!w->line_start_cache)
|
|
185
|
4991 w->line_start_cache = Dynarr_new (line_start_cache);
|
|
0
|
4992 w->dead = 0;
|
|
|
4993
|
|
|
4994 if (p->parent_index >= 0)
|
|
|
4995 w->parent = SAVED_WINDOW_N (config, p->parent_index)->window;
|
|
|
4996 else
|
|
|
4997 w->parent = Qnil;
|
|
|
4998
|
|
|
4999 if (p->prev_index >= 0)
|
|
|
5000 {
|
|
|
5001 w->prev = SAVED_WINDOW_N (config, p->prev_index)->window;
|
|
|
5002
|
|
|
5003 /* This is true for a minibuffer-only frame. */
|
|
|
5004 if (!NILP (w->mini_p) && EQ (w->prev, p->window))
|
|
|
5005 w->next = Qnil;
|
|
|
5006 else
|
|
|
5007 XWINDOW (w->prev)->next = p->window;
|
|
|
5008 }
|
|
|
5009 else
|
|
|
5010 {
|
|
|
5011 w->prev = Qnil;
|
|
|
5012 if (!NILP (w->parent))
|
|
|
5013 {
|
|
|
5014 if (WINDOW_WIDTH (p) == WINDOW_WIDTH (XWINDOW (w->parent)))
|
|
|
5015 {
|
|
|
5016 XWINDOW (w->parent)->vchild = p->window;
|
|
|
5017 XWINDOW (w->parent)->hchild = Qnil;
|
|
|
5018 }
|
|
|
5019 else
|
|
|
5020 {
|
|
|
5021 XWINDOW (w->parent)->hchild = p->window;
|
|
|
5022 XWINDOW (w->parent)->vchild = Qnil;
|
|
|
5023 }
|
|
|
5024 }
|
|
|
5025 }
|
|
|
5026 if (!w->config_mark)
|
|
|
5027 {
|
|
|
5028 /* #### This should be equivalent to the window previously
|
|
|
5029 having been dead. If we're brave, we'll put in an
|
|
|
5030 assertion to this effect. */
|
|
|
5031 MARK_FRAME_WINDOWS_STRUCTURE_CHANGED (f);
|
|
|
5032 }
|
|
|
5033 else /* if (!EQ (w->buffer, p->buffer)) */
|
|
|
5034 {
|
|
|
5035 /* With the new redisplay we let it know that a change has
|
|
|
5036 been made and it will take care of the rest. If we don't
|
|
|
5037 tell it something has possibly changed it could lead to
|
|
|
5038 incorrect display. */
|
|
|
5039 MARK_WINDOWS_CHANGED (w);
|
|
|
5040 }
|
|
|
5041
|
|
|
5042 WINDOW_LEFT (w) = WINDOW_LEFT (p);
|
|
|
5043 WINDOW_TOP (w) = WINDOW_TOP (p);
|
|
|
5044 WINDOW_WIDTH (w) = WINDOW_WIDTH (p);
|
|
|
5045 WINDOW_HEIGHT (w) = WINDOW_HEIGHT (p);
|
|
|
5046 w->hscroll = p->hscroll;
|
|
257
|
5047 w->modeline_hscroll = p->modeline_hscroll;
|
|
0
|
5048 w->line_cache_last_updated = Qzero;
|
|
|
5049 SET_LAST_MODIFIED (w, 1);
|
|
|
5050 SET_LAST_FACECHANGE (w);
|
|
|
5051 w->config_mark = 0;
|
|
|
5052
|
|
412
|
5053 #define WINDOW_SLOT(slot, compare) w->slot = p->slot;
|
|
284
|
5054 #include "winslots.h"
|
|
|
5055
|
|
0
|
5056 /* Reinstall the saved buffer and pointers into it. */
|
|
|
5057 if (NILP (p->buffer))
|
|
|
5058 w->buffer = p->buffer;
|
|
|
5059 else
|
|
|
5060 {
|
|
|
5061 if (BUFFER_LIVE_P (XBUFFER (p->buffer)))
|
|
|
5062 /* If saved buffer is alive, install it. */
|
|
|
5063 {
|
|
|
5064 w->buffer = p->buffer;
|
|
|
5065 w->start_at_line_beg = p->start_at_line_beg;
|
|
|
5066 set_marker_restricted (w->start[CURRENT_DISP],
|
|
|
5067 Fmarker_position (p->start),
|
|
|
5068 w->buffer);
|
|
|
5069 set_marker_restricted (w->pointm[CURRENT_DISP],
|
|
|
5070 Fmarker_position (p->pointm),
|
|
|
5071 w->buffer);
|
|
|
5072 set_marker_restricted (w->sb_point,
|
|
|
5073 Fmarker_position (p->sb_point),
|
|
|
5074 w->buffer);
|
|
|
5075 Fset_marker (XBUFFER (w->buffer)->mark,
|
|
|
5076 Fmarker_position (p->mark), w->buffer);
|
|
|
5077
|
|
|
5078 /* As documented in Fcurrent_window_configuration, don't
|
|
|
5079 save the location of point in the buffer which was current
|
|
|
5080 when the window configuration was recorded. */
|
|
|
5081 if (!EQ (p->buffer, new_current_buffer) &&
|
|
|
5082 XBUFFER (p->buffer) == current_buffer)
|
|
223
|
5083 Fgoto_char (w->pointm[CURRENT_DISP], Qnil);
|
|
0
|
5084 }
|
|
|
5085 else if (NILP (w->buffer) ||
|
|
|
5086 !BUFFER_LIVE_P (XBUFFER (w->buffer)))
|
|
|
5087 /* Else if window's old buffer is dead too, get a live one. */
|
|
|
5088 {
|
|
|
5089 /* #### The following line makes me nervous... */
|
|
|
5090 /* w->buffer = Fcdr (Fcar (XFRAME (w->frame)->buffer_alist));*/
|
|
|
5091 w->buffer = Fget_buffer_create (QSscratch);
|
|
|
5092 /* w->buffer = Fother_buffer (Qnil, w->frame, Qnil); */
|
|
|
5093 /* This will set the markers to beginning of visible
|
|
|
5094 range. */
|
|
|
5095 set_marker_restricted (w->start[CURRENT_DISP], Qzero, w->buffer);
|
|
|
5096 set_marker_restricted (w->pointm[CURRENT_DISP], Qzero,
|
|
|
5097 w->buffer);
|
|
|
5098 set_marker_restricted (w->sb_point, Qzero, w->buffer);
|
|
|
5099 w->start_at_line_beg = 1;
|
|
|
5100 }
|
|
|
5101 else
|
|
|
5102 /* Keeping window's old buffer; make sure the markers
|
|
|
5103 are real. */
|
|
|
5104 {
|
|
|
5105 /* Set window markers at start of visible range. */
|
|
|
5106 if (XMARKER (w->start[CURRENT_DISP])->buffer == 0)
|
|
|
5107 set_marker_restricted (w->start[CURRENT_DISP], Qzero,
|
|
|
5108 w->buffer);
|
|
|
5109 if (XMARKER (w->sb_point)->buffer == 0)
|
|
|
5110 set_marker_restricted (w->sb_point, Qzero, w->buffer);
|
|
|
5111 if (XMARKER (w->pointm[CURRENT_DISP])->buffer == 0)
|
|
|
5112 set_marker_restricted (w->pointm[CURRENT_DISP],
|
|
|
5113 make_int
|
|
|
5114 (BUF_PT (XBUFFER (w->buffer))),
|
|
|
5115 w->buffer);
|
|
|
5116 w->start_at_line_beg = 1;
|
|
|
5117 }
|
|
|
5118 }
|
|
|
5119 }
|
|
|
5120
|
|
|
5121 FRAME_ROOT_WINDOW (f) = config->root_window;
|
|
|
5122 /* Note that FSFmacs unilaterally calls Fselect_window() here, and
|
|
|
5123 then calls do_switch_frame() below to select the frame that was
|
|
|
5124 recorded in the window config as being selected.
|
|
|
5125
|
|
|
5126 Instead, we don't ever change the selected frame, and either
|
|
|
5127 call Fselect_window() below if the window config's frame is
|
|
|
5128 currently selected, or just set the selected window of the
|
|
|
5129 window config's frame. */
|
|
|
5130
|
|
398
|
5131 #if 0
|
|
0
|
5132 /* Set the frame height to the value it had before this function. */
|
|
|
5133 if (previous_frame_height != FRAME_HEIGHT (f)
|
|
|
5134 || previous_frame_width != FRAME_WIDTH (f))
|
|
|
5135 change_frame_size (f, previous_frame_height, previous_frame_width, 0);
|
|
398
|
5136 #endif
|
|
|
5137 /* We just reset the size and position of the minibuffer, to its old
|
|
|
5138 value, which needn't be valid. So we do some magic to see which value
|
|
|
5139 to actually take. Then we set it.
|
|
|
5140
|
|
|
5141 The magic:
|
|
|
5142 We take the old value if is in the same units but differs from the
|
|
|
5143 current value.
|
|
|
5144
|
|
|
5145 #### Now we get more cases correct then ever before, but
|
|
|
5146 are we treating all? For instance what if the frames minibuf window
|
|
412
|
5147 is no longer the same one?
|
|
398
|
5148 */
|
|
|
5149 target_minibuf_height = previous_minibuf_height;
|
|
|
5150 if (converted_minibuf_height &&
|
|
|
5151 (converted_minibuf_height * config->minibuf_height) > 0 &&
|
|
|
5152 (converted_minibuf_height != config->minibuf_height))
|
|
|
5153 {
|
|
|
5154 target_minibuf_height = config->minibuf_height < 0 ?
|
|
|
5155 - (config->minibuf_height * real_font_height) :
|
|
|
5156 config->minibuf_height;
|
|
|
5157 target_minibuf_height =
|
|
|
5158 max(target_minibuf_height,real_font_height);
|
|
|
5159 }
|
|
|
5160 if (previous_minibuf_height)
|
|
|
5161 {
|
|
|
5162 XWINDOW (FRAME_MINIBUF_WINDOW (f))->pixel_top
|
|
|
5163 = previous_minibuf_top -
|
|
|
5164 (target_minibuf_height - previous_minibuf_height);
|
|
|
5165 set_window_pixheight (FRAME_MINIBUF_WINDOW (f),
|
|
|
5166 target_minibuf_height, 0);
|
|
|
5167 set_window_pixwidth (FRAME_MINIBUF_WINDOW (f),
|
|
|
5168 previous_minibuf_width, 0);
|
|
|
5169 }
|
|
412
|
5170
|
|
398
|
5171 /* This is a better way to deal with frame resizing, etc.
|
|
|
5172 What we _actually_ want is for the old (just restored)
|
|
|
5173 root window to fit
|
|
|
5174 into the place of the new one. So we just do that. Simple! */
|
|
|
5175 XWINDOW (FRAME_ROOT_WINDOW (f))->pixel_top = previous_pixel_top;
|
|
|
5176 /* Note that this function also updates the subwindow
|
|
|
5177 "pixel_top"s */
|
|
|
5178 set_window_pixheight (FRAME_ROOT_WINDOW (f),
|
|
|
5179 previous_pixel_height -
|
|
|
5180 (target_minibuf_height - previous_minibuf_height), 0);
|
|
|
5181 XWINDOW (FRAME_ROOT_WINDOW (f))->pixel_left = previous_pixel_left;
|
|
|
5182 /* Note that this function also updates the subwindow
|
|
|
5183 "pixel_left"s */
|
|
|
5184 set_window_pixwidth (FRAME_ROOT_WINDOW (f), previous_pixel_width, 0);
|
|
412
|
5185
|
|
0
|
5186 /* If restoring in the current frame make the window current,
|
|
|
5187 otherwise just update the frame selected_window slot to be
|
|
|
5188 the restored current_window. */
|
|
|
5189 if (f == selected_frame ())
|
|
|
5190 {
|
|
|
5191 /* When using `pop-window-configuration', often the minibuffer
|
|
|
5192 ends up as the selected window even though it's not active ...
|
|
|
5193 I really don't know the cause of this, but it should never
|
|
|
5194 happen. This kludge should fix it.
|
|
|
5195
|
|
|
5196 #### Find out why this is really going wrong. */
|
|
|
5197 if (!minibuf_level &&
|
|
|
5198 MINI_WINDOW_P (XWINDOW (config->current_window)))
|
|
412
|
5199 Fselect_window (Fnext_window (config->current_window,
|
|
|
5200 Qnil, Qnil, Qnil),
|
|
|
5201 Qnil);
|
|
0
|
5202 else
|
|
412
|
5203 Fselect_window (config->current_window, Qnil);
|
|
0
|
5204 if (!NILP (new_current_buffer))
|
|
412
|
5205 Fset_buffer (new_current_buffer);
|
|
0
|
5206 else
|
|
412
|
5207 Fset_buffer (XWINDOW (Fselected_window (Qnil))->buffer);
|
|
0
|
5208 }
|
|
|
5209 else
|
|
|
5210 set_frame_selected_window (f, config->current_window);
|
|
|
5211 }
|
|
173
|
5212 else
|
|
|
5213 old_window_config = Qnil; /* Warning suppression */
|
|
0
|
5214
|
|
|
5215 /* Restore the minimum heights recorded in the configuration. */
|
|
|
5216 window_min_height = config->min_height;
|
|
|
5217 window_min_width = config->min_width;
|
|
|
5218
|
|
|
5219 #if 0 /* FSFmacs */
|
|
|
5220 /* see above comment */
|
|
|
5221 /* Fselect_window will have made f the selected frame, so we
|
|
|
5222 reselect the proper frame here. Fhandle_switch_frame will change the
|
|
|
5223 selected window too, but that doesn't make the call to
|
|
|
5224 Fselect_window above totally superfluous; it still sets f's
|
|
|
5225 selected window. */
|
|
|
5226 if (FRAME_LIVE_P (XFRAME (config->selected_frame)))
|
|
|
5227 do_switch_frame (config->selected_frame, Qnil, 0);
|
|
|
5228 #endif
|
|
|
5229
|
|
274
|
5230 Vminibuffer_scroll_window = config->minibuffer_scroll_window;
|
|
0
|
5231
|
|
|
5232 if (FRAME_LIVE_P (f))
|
|
|
5233 {
|
|
|
5234 /* Do this before calling recompute_all_cached_specifiers_in_window()
|
|
|
5235 so that things like redisplay_redraw_cursor() won't abort due
|
|
|
5236 to no window mirror present. */
|
|
|
5237 f->mirror_dirty = 1;
|
|
|
5238
|
|
|
5239 config = XWINDOW_CONFIGURATION (old_window_config);
|
|
|
5240 for (k = 0; k < config->saved_windows_count; k++)
|
|
|
5241 {
|
|
|
5242 p = SAVED_WINDOW_N (config, k);
|
|
|
5243 w = XWINDOW (p->window);
|
|
|
5244 /* Remember, we set w->config_mark on all currently visible
|
|
|
5245 windows, and reset it on all newly visible windows.
|
|
|
5246 Any windows still marked need to be deleted. */
|
|
|
5247 if (w->config_mark)
|
|
|
5248 {
|
|
|
5249 mark_window_as_deleted (w);
|
|
|
5250 w->config_mark = 0;
|
|
|
5251 }
|
|
|
5252 else
|
|
|
5253 {
|
|
|
5254 /* We just potentially changed the window's buffer and
|
|
|
5255 potentially turned a dead window into a live one,
|
|
|
5256 so we need to recompute the cached specifier values. */
|
|
|
5257 recompute_all_cached_specifiers_in_window (w);
|
|
|
5258 }
|
|
|
5259 }
|
|
|
5260 }
|
|
|
5261
|
|
|
5262 /* Now restore things, when everything else if OK. */
|
|
|
5263
|
|
|
5264 unbind_to (specpdl_count, Qnil);
|
|
|
5265
|
|
|
5266 UNGCPRO;
|
|
|
5267
|
|
149
|
5268 return Qnil;
|
|
0
|
5269 }
|
|
|
5270
|
|
|
5271 /* Mark all subwindows of a window as deleted. The argument
|
|
|
5272 W is actually the subwindow tree of the window in question. */
|
|
|
5273
|
|
|
5274 void
|
|
|
5275 delete_all_subwindows (struct window *w)
|
|
|
5276 {
|
|
272
|
5277 if (!NILP (w->next)) delete_all_subwindows (XWINDOW (w->next));
|
|
|
5278 if (!NILP (w->vchild)) delete_all_subwindows (XWINDOW (w->vchild));
|
|
|
5279 if (!NILP (w->hchild)) delete_all_subwindows (XWINDOW (w->hchild));
|
|
0
|
5280
|
|
|
5281 mark_window_as_deleted (w);
|
|
|
5282 }
|
|
|
5283
|
|
|
5284
|
|
|
5285 static int
|
|
|
5286 count_windows (struct window *window)
|
|
|
5287 {
|
|
272
|
5288 return 1 +
|
|
|
5289 (!NILP (window->next) ? count_windows (XWINDOW (window->next)) : 0) +
|
|
|
5290 (!NILP (window->vchild) ? count_windows (XWINDOW (window->vchild)) : 0) +
|
|
|
5291 (!NILP (window->hchild) ? count_windows (XWINDOW (window->hchild)) : 0);
|
|
0
|
5292 }
|
|
|
5293
|
|
|
5294 static int
|
|
|
5295 saved_window_index (Lisp_Object window, struct window_config *config, int lim)
|
|
|
5296 {
|
|
|
5297 int j;
|
|
|
5298 for (j = 0; j < lim; j++)
|
|
|
5299 {
|
|
|
5300 if (EQ (SAVED_WINDOW_N (config, j)->window, window))
|
|
149
|
5301 return j;
|
|
272
|
5302 }
|
|
0
|
5303 abort ();
|
|
|
5304 return 0; /* suppress compiler warning */
|
|
|
5305 }
|
|
|
5306
|
|
|
5307 static int
|
|
|
5308 save_window_save (Lisp_Object window, struct window_config *config, int i)
|
|
|
5309 {
|
|
|
5310 struct window *w;
|
|
|
5311
|
|
|
5312 for (; !NILP (window); window = w->next)
|
|
|
5313 {
|
|
272
|
5314 struct saved_window *p = SAVED_WINDOW_N (config, i);
|
|
|
5315
|
|
0
|
5316 w = XWINDOW (window);
|
|
|
5317 i++;
|
|
|
5318 p->window = window;
|
|
|
5319 p->buffer = w->buffer;
|
|
|
5320 WINDOW_LEFT (p) = WINDOW_LEFT (w);
|
|
|
5321 WINDOW_TOP (p) = WINDOW_TOP (w);
|
|
|
5322 WINDOW_WIDTH (p) = WINDOW_WIDTH (w);
|
|
|
5323 WINDOW_HEIGHT (p) = WINDOW_HEIGHT (w);
|
|
|
5324 p->hscroll = w->hscroll;
|
|
257
|
5325 p->modeline_hscroll = w->modeline_hscroll;
|
|
284
|
5326
|
|
412
|
5327 #define WINDOW_SLOT(slot, compare) p->slot = w->slot;
|
|
284
|
5328 #include "winslots.h"
|
|
255
|
5329
|
|
0
|
5330 if (!NILP (w->buffer))
|
|
|
5331 {
|
|
|
5332 /* Save w's value of point in the window configuration.
|
|
|
5333 If w is the selected window, then get the value of point
|
|
|
5334 from the buffer; pointm is garbage in the selected window. */
|
|
|
5335 if (EQ (window, Fselected_window (Qnil)))
|
|
|
5336 {
|
|
|
5337 p->pointm = noseeum_make_marker ();
|
|
|
5338 Fset_marker (p->pointm,
|
|
|
5339 make_int (BUF_PT (XBUFFER (w->buffer))),
|
|
|
5340 w->buffer);
|
|
|
5341 }
|
|
|
5342 else
|
|
|
5343 p->pointm = noseeum_copy_marker (w->pointm[CURRENT_DISP], Qnil);
|
|
|
5344
|
|
|
5345 p->start = noseeum_copy_marker (w->start[CURRENT_DISP], Qnil);
|
|
|
5346 p->sb_point = noseeum_copy_marker (w->sb_point, Qnil);
|
|
|
5347 p->start_at_line_beg = w->start_at_line_beg;
|
|
|
5348
|
|
|
5349 p->mark = noseeum_copy_marker (XBUFFER (w->buffer)->mark, Qnil);
|
|
|
5350 }
|
|
|
5351 else
|
|
|
5352 {
|
|
|
5353 p->pointm = Qnil;
|
|
|
5354 p->start = Qnil;
|
|
|
5355 p->sb_point = Qnil;
|
|
|
5356 p->mark = Qnil;
|
|
|
5357 p->start_at_line_beg = 0;
|
|
|
5358 }
|
|
|
5359
|
|
|
5360 if (NILP (w->parent))
|
|
|
5361 p->parent_index = -1;
|
|
|
5362 else
|
|
|
5363 p->parent_index = saved_window_index (w->parent, config, i);
|
|
|
5364 if (NILP (w->prev))
|
|
|
5365 p->prev_index = -1;
|
|
|
5366 else
|
|
|
5367 p->prev_index = saved_window_index (w->prev, config, i);
|
|
|
5368 if (!NILP (w->vchild))
|
|
|
5369 i = save_window_save (w->vchild, config, i);
|
|
|
5370 if (!NILP (w->hchild))
|
|
|
5371 i = save_window_save (w->hchild, config, i);
|
|
|
5372 }
|
|
|
5373
|
|
|
5374 return i;
|
|
|
5375 }
|
|
|
5376
|
|
|
5377 #if 0 /* FSFmacs */
|
|
|
5378 /* Added to doc string:
|
|
|
5379
|
|
|
5380 This also records the currently selected frame, and FRAME's focus
|
|
|
5381 redirection (see `redirect-frame-focus').
|
|
|
5382
|
|
|
5383 */
|
|
|
5384 #endif
|
|
|
5385
|
|
20
|
5386 DEFUN ("current-window-configuration", Fcurrent_window_configuration, 0, 1, 0, /*
|
|
0
|
5387 Return an object representing the current window configuration of FRAME.
|
|
|
5388 If FRAME is nil or omitted, use the selected frame.
|
|
|
5389 This describes the number of windows, their sizes and current buffers,
|
|
|
5390 and for each displayed buffer, where display starts, and the positions of
|
|
|
5391 point and mark. An exception is made for point in the current buffer:
|
|
|
5392 its value is -not- saved.
|
|
20
|
5393 */
|
|
|
5394 (frame))
|
|
0
|
5395 {
|
|
272
|
5396 Lisp_Object result;
|
|
|
5397 struct frame *f = decode_frame (frame);
|
|
0
|
5398 struct window_config *config;
|
|
272
|
5399 int n_windows = count_windows (XWINDOW (FRAME_ROOT_WINDOW (f)));
|
|
398
|
5400 int minibuf_height;
|
|
|
5401 int real_font_height;
|
|
272
|
5402
|
|
0
|
5403 if (n_windows <= countof (Vwindow_configuration_free_list))
|
|
272
|
5404 config = XWINDOW_CONFIGURATION (allocate_managed_lcrecord
|
|
|
5405 (Vwindow_configuration_free_list
|
|
|
5406 [n_windows - 1]));
|
|
0
|
5407 else
|
|
|
5408 /* More than ten windows; just allocate directly */
|
|
185
|
5409 config = (struct window_config *)
|
|
|
5410 alloc_lcrecord (sizeof_window_config_for_n_windows (n_windows),
|
|
398
|
5411 &lrecord_window_configuration);
|
|
0
|
5412 XSETWINDOW_CONFIGURATION (result, config);
|
|
398
|
5413 /*
|
|
0
|
5414 config->frame_width = FRAME_WIDTH (f);
|
|
398
|
5415 config->frame_height = FRAME_HEIGHT (f); */
|
|
412
|
5416 config->current_window = FRAME_SELECTED_WINDOW (f);
|
|
0
|
5417 XSETBUFFER (config->current_buffer, current_buffer);
|
|
274
|
5418 config->minibuffer_scroll_window = Vminibuffer_scroll_window;
|
|
0
|
5419 config->root_window = FRAME_ROOT_WINDOW (f);
|
|
|
5420 config->min_height = window_min_height;
|
|
|
5421 config->min_width = window_min_width;
|
|
|
5422 config->saved_windows_count = n_windows;
|
|
|
5423 save_window_save (FRAME_ROOT_WINDOW (f), config, 0);
|
|
398
|
5424
|
|
|
5425 /* save the minibuffer height using the heuristics from
|
|
|
5426 change_frame_size_1 */
|
|
412
|
5427
|
|
398
|
5428 XSETFRAME (frame, f); /* frame could have been nil ! */
|
|
|
5429 default_face_height_and_width (frame, &real_font_height, 0);
|
|
|
5430 assert(real_font_height > 0);
|
|
412
|
5431
|
|
398
|
5432 if (FRAME_HAS_MINIBUF_P (f) && ! FRAME_MINIBUF_ONLY_P (f))
|
|
|
5433 minibuf_height = XWINDOW(FRAME_MINIBUF_WINDOW(f))->pixel_height;
|
|
|
5434 else
|
|
|
5435 minibuf_height = 0;
|
|
|
5436 config->minibuf_height = (minibuf_height % real_font_height) == 0 ?
|
|
|
5437 - (minibuf_height / real_font_height ) : /* lines */
|
|
|
5438 minibuf_height; /* pixels */
|
|
|
5439
|
|
149
|
5440 return result;
|
|
0
|
5441 }
|
|
|
5442
|
|
|
5443 Lisp_Object
|
|
|
5444 save_window_excursion_unwind (Lisp_Object window_config)
|
|
|
5445 {
|
|
|
5446 Lisp_Object val = Fset_window_configuration (window_config);
|
|
|
5447 free_window_configuration (window_config);
|
|
|
5448 return val;
|
|
|
5449 }
|
|
|
5450
|
|
20
|
5451 DEFUN ("save-window-excursion", Fsave_window_excursion, 0, UNEVALLED, 0, /*
|
|
0
|
5452 Execute body, preserving window sizes and contents.
|
|
|
5453 Restores which buffer appears in which window, where display starts,
|
|
|
5454 as well as the current buffer.
|
|
|
5455 Does not restore the value of point in current buffer.
|
|
20
|
5456 */
|
|
|
5457 (args))
|
|
0
|
5458 {
|
|
|
5459 /* This function can GC */
|
|
|
5460 Lisp_Object val;
|
|
|
5461 int speccount = specpdl_depth ();
|
|
|
5462
|
|
|
5463 record_unwind_protect (save_window_excursion_unwind,
|
|
|
5464 Fcurrent_window_configuration (Qnil));
|
|
|
5465 val = Fprogn (args);
|
|
|
5466 return unbind_to (speccount, val);
|
|
|
5467 }
|
|
|
5468
|
|
|
5469
|
|
|
5470 #ifdef DEBUG_XEMACS
|
|
|
5471 /* This is short and simple in elisp, but... it was written to debug
|
|
|
5472 problems purely on the C side. That is where we need to call it so
|
|
|
5473 here it is. */
|
|
|
5474 static void
|
|
|
5475 debug_print_window (Lisp_Object window, int level)
|
|
|
5476 {
|
|
272
|
5477 int i;
|
|
|
5478 Lisp_Object child = Fwindow_first_vchild (window);
|
|
|
5479
|
|
0
|
5480 if (NILP (child))
|
|
|
5481 child = Fwindow_first_hchild (window);
|
|
|
5482
|
|
272
|
5483 for (i = level; i > 0; i--)
|
|
412
|
5484 putc ('\t', stderr);
|
|
|
5485
|
|
|
5486 fputs ("#<window", stderr);
|
|
272
|
5487 {
|
|
|
5488 Lisp_Object buffer = XWINDOW (window)->buffer;
|
|
|
5489 if (!NILP (buffer) && BUFFERP (buffer))
|
|
412
|
5490 fprintf (stderr, " on %s", XSTRING_DATA (XBUFFER (buffer)->name));
|
|
272
|
5491 }
|
|
412
|
5492 fprintf (stderr, " 0x%x>", XWINDOW (window)->header.uid);
|
|
0
|
5493
|
|
|
5494 while (!NILP (child))
|
|
|
5495 {
|
|
|
5496 debug_print_window (child, level + 1);
|
|
|
5497 child = Fwindow_next_child (child);
|
|
|
5498 }
|
|
|
5499 }
|
|
|
5500
|
|
|
5501 void debug_print_windows (struct frame *f);
|
|
|
5502 void
|
|
|
5503 debug_print_windows (struct frame *f)
|
|
|
5504 {
|
|
|
5505 debug_print_window (f->root_window, 0);
|
|
272
|
5506 putc ('\n', stderr);
|
|
0
|
5507 }
|
|
|
5508 #endif /* DEBUG_XEMACS */
|
|
|
5509
|
|
|
5510
|
|
|
5511 /************************************************************************/
|
|
|
5512 /* initialization */
|
|
|
5513 /************************************************************************/
|
|
|
5514
|
|
|
5515 void
|
|
|
5516 syms_of_window (void)
|
|
|
5517 {
|
|
|
5518 defsymbol (&Qwindowp, "windowp");
|
|
|
5519 defsymbol (&Qwindow_live_p, "window-live-p");
|
|
|
5520 defsymbol (&Qwindow_configurationp, "window-configuration-p");
|
|
412
|
5521 defsymbol (&Qscroll_up, "scroll-up");
|
|
|
5522 defsymbol (&Qscroll_down, "scroll-down");
|
|
0
|
5523 defsymbol (&Qtemp_buffer_show_hook, "temp-buffer-show-hook");
|
|
|
5524 defsymbol (&Qdisplay_buffer, "display-buffer");
|
|
|
5525
|
|
|
5526 #ifdef MEMORY_USAGE_STATS
|
|
|
5527 defsymbol (&Qface_cache, "face-cache");
|
|
|
5528 defsymbol (&Qglyph_cache, "glyph-cache");
|
|
|
5529 defsymbol (&Qline_start_cache, "line-start-cache");
|
|
|
5530 #ifdef HAVE_SCROLLBARS
|
|
|
5531 defsymbol (&Qscrollbar_instances, "scrollbar-instances");
|
|
|
5532 #endif
|
|
|
5533 defsymbol (&Qother_redisplay, "other-redisplay");
|
|
|
5534 /* Qother in general.c */
|
|
|
5535 #endif
|
|
|
5536
|
|
20
|
5537 DEFSUBR (Fselected_window);
|
|
|
5538 DEFSUBR (Fminibuffer_window);
|
|
|
5539 DEFSUBR (Fwindow_minibuffer_p);
|
|
|
5540 DEFSUBR (Fwindowp);
|
|
|
5541 DEFSUBR (Fwindow_live_p);
|
|
|
5542 DEFSUBR (Fwindow_first_hchild);
|
|
|
5543 DEFSUBR (Fwindow_first_vchild);
|
|
|
5544 DEFSUBR (Fwindow_next_child);
|
|
|
5545 DEFSUBR (Fwindow_previous_child);
|
|
|
5546 DEFSUBR (Fwindow_parent);
|
|
|
5547 DEFSUBR (Fwindow_lowest_p);
|
|
|
5548 DEFSUBR (Fwindow_highest_p);
|
|
|
5549 DEFSUBR (Fwindow_leftmost_p);
|
|
|
5550 DEFSUBR (Fwindow_rightmost_p);
|
|
|
5551 DEFSUBR (Fpos_visible_in_window_p);
|
|
|
5552 DEFSUBR (Fwindow_buffer);
|
|
|
5553 DEFSUBR (Fwindow_frame);
|
|
|
5554 DEFSUBR (Fwindow_height);
|
|
|
5555 DEFSUBR (Fwindow_displayed_height);
|
|
|
5556 DEFSUBR (Fwindow_width);
|
|
|
5557 DEFSUBR (Fwindow_pixel_height);
|
|
|
5558 DEFSUBR (Fwindow_pixel_width);
|
|
288
|
5559 DEFSUBR (Fwindow_text_area_pixel_height);
|
|
|
5560 DEFSUBR (Fwindow_displayed_text_pixel_height);
|
|
|
5561 DEFSUBR (Fwindow_text_area_pixel_width);
|
|
20
|
5562 DEFSUBR (Fwindow_hscroll);
|
|
412
|
5563 #ifdef MODELINE_IS_SCROLLABLE
|
|
257
|
5564 DEFSUBR (Fmodeline_hscroll);
|
|
272
|
5565 DEFSUBR (Fset_modeline_hscroll);
|
|
412
|
5566 #endif /* MODELINE_IS_SCROLLABLE */
|
|
276
|
5567 #if 0 /* bogus FSF crock */
|
|
20
|
5568 DEFSUBR (Fwindow_redisplay_end_trigger);
|
|
|
5569 DEFSUBR (Fset_window_redisplay_end_trigger);
|
|
0
|
5570 #endif
|
|
412
|
5571 DEFSUBR (Fset_window_hscroll);
|
|
20
|
5572 DEFSUBR (Fwindow_pixel_edges);
|
|
288
|
5573 DEFSUBR (Fwindow_text_area_pixel_edges);
|
|
20
|
5574 DEFSUBR (Fwindow_point);
|
|
|
5575 DEFSUBR (Fwindow_start);
|
|
|
5576 DEFSUBR (Fwindow_end);
|
|
|
5577 DEFSUBR (Fset_window_point);
|
|
|
5578 DEFSUBR (Fset_window_start);
|
|
|
5579 DEFSUBR (Fwindow_dedicated_p);
|
|
|
5580 DEFSUBR (Fset_window_dedicated_p);
|
|
|
5581 DEFSUBR (Fnext_window);
|
|
|
5582 DEFSUBR (Fprevious_window);
|
|
|
5583 DEFSUBR (Fnext_vertical_window);
|
|
|
5584 DEFSUBR (Fother_window);
|
|
|
5585 DEFSUBR (Fget_lru_window);
|
|
|
5586 DEFSUBR (Fget_largest_window);
|
|
|
5587 DEFSUBR (Fget_buffer_window);
|
|
|
5588 DEFSUBR (Fwindow_left_margin_pixel_width);
|
|
|
5589 DEFSUBR (Fwindow_right_margin_pixel_width);
|
|
|
5590 DEFSUBR (Fdelete_other_windows);
|
|
|
5591 DEFSUBR (Fdelete_windows_on);
|
|
|
5592 DEFSUBR (Freplace_buffer_in_windows);
|
|
|
5593 DEFSUBR (Fdelete_window);
|
|
|
5594 DEFSUBR (Fset_window_buffer);
|
|
|
5595 DEFSUBR (Fselect_window);
|
|
|
5596 DEFSUBR (Fsplit_window);
|
|
|
5597 DEFSUBR (Fenlarge_window);
|
|
263
|
5598 DEFSUBR (Fenlarge_window_pixels);
|
|
20
|
5599 DEFSUBR (Fshrink_window);
|
|
263
|
5600 DEFSUBR (Fshrink_window_pixels);
|
|
20
|
5601 DEFSUBR (Fscroll_up);
|
|
|
5602 DEFSUBR (Fscroll_down);
|
|
|
5603 DEFSUBR (Fscroll_left);
|
|
|
5604 DEFSUBR (Fscroll_right);
|
|
|
5605 DEFSUBR (Fother_window_for_scrolling);
|
|
|
5606 DEFSUBR (Fscroll_other_window);
|
|
280
|
5607 DEFSUBR (Fcenter_to_window_line);
|
|
20
|
5608 DEFSUBR (Fmove_to_window_line);
|
|
0
|
5609 #ifdef MEMORY_USAGE_STATS
|
|
20
|
5610 DEFSUBR (Fwindow_memory_usage);
|
|
0
|
5611 #endif
|
|
20
|
5612 DEFSUBR (Fwindow_configuration_p);
|
|
|
5613 DEFSUBR (Fset_window_configuration);
|
|
|
5614 DEFSUBR (Fcurrent_window_configuration);
|
|
|
5615 DEFSUBR (Fsave_window_excursion);
|
|
0
|
5616 }
|
|
|
5617
|
|
|
5618 void
|
|
|
5619 vars_of_window (void)
|
|
|
5620 {
|
|
412
|
5621 /* Make sure all windows get marked */
|
|
|
5622 minibuf_window = Qnil;
|
|
|
5623 staticpro (&minibuf_window);
|
|
0
|
5624
|
|
|
5625 DEFVAR_BOOL ("scroll-on-clipped-lines", &scroll_on_clipped_lines /*
|
|
|
5626 *Non-nil means to scroll if point lands on a line which is clipped.
|
|
|
5627 */ );
|
|
|
5628 scroll_on_clipped_lines = 1;
|
|
|
5629
|
|
|
5630 DEFVAR_LISP ("temp-buffer-show-hook", &Vtemp_buffer_show_hook /*
|
|
|
5631 See `temp-buffer-show-function'.
|
|
|
5632 */ );
|
|
|
5633 Vtemp_buffer_show_hook = Qnil;
|
|
|
5634
|
|
|
5635 DEFVAR_LISP ("temp-buffer-show-function", &Vtemp_buffer_show_function /*
|
|
|
5636 Non-nil means call as function to display a help buffer.
|
|
|
5637 The function is called with one argument, the buffer to be displayed.
|
|
|
5638 Used by `with-output-to-temp-buffer'.
|
|
|
5639 If this function is used, then it must do the entire job of showing
|
|
|
5640 the buffer; `temp-buffer-show-hook' is not run unless this function runs it.
|
|
|
5641 */ );
|
|
|
5642 Vtemp_buffer_show_function = Qnil;
|
|
|
5643
|
|
274
|
5644 DEFVAR_LISP ("minibuffer-scroll-window", &Vminibuffer_scroll_window /*
|
|
0
|
5645 Non-nil means it is the window that \\<minibuffer-local-map>\\[scroll-other-window] in minibuffer should scroll.
|
|
|
5646 */ );
|
|
274
|
5647 Vminibuffer_scroll_window = Qnil;
|
|
0
|
5648
|
|
|
5649 DEFVAR_LISP ("other-window-scroll-buffer", &Vother_window_scroll_buffer /*
|
|
|
5650 If non-nil, this is a buffer and \\[scroll-other-window] should scroll its window.
|
|
|
5651 */ );
|
|
|
5652 Vother_window_scroll_buffer = Qnil;
|
|
|
5653
|
|
|
5654 DEFVAR_INT ("next-screen-context-lines", &next_screen_context_lines /*
|
|
|
5655 *Number of lines of continuity when scrolling by screenfuls.
|
|
|
5656 */ );
|
|
|
5657 next_screen_context_lines = 2;
|
|
|
5658
|
|
|
5659 DEFVAR_INT ("window-min-height", &window_min_height /*
|
|
|
5660 *Delete any window less than this tall (including its modeline).
|
|
|
5661 */ );
|
|
|
5662 window_min_height = 4;
|
|
|
5663
|
|
|
5664 DEFVAR_INT ("window-min-width", &window_min_width /*
|
|
|
5665 *Delete any window less than this wide.
|
|
|
5666 */ );
|
|
|
5667 window_min_width = 10;
|
|
412
|
5668
|
|
|
5669 {
|
|
|
5670 int i;
|
|
|
5671
|
|
|
5672 for (i = 0; i < countof (Vwindow_configuration_free_list); i++)
|
|
|
5673 {
|
|
|
5674 Vwindow_configuration_free_list[i] =
|
|
|
5675 make_lcrecord_list (sizeof_window_config_for_n_windows (i + 1),
|
|
|
5676 &lrecord_window_configuration);
|
|
|
5677 staticpro (&Vwindow_configuration_free_list[i]);
|
|
|
5678 }
|
|
|
5679 }
|
|
0
|
5680 }
|
|
|
5681
|
|
|
5682 void
|
|
|
5683 specifier_vars_of_window (void)
|
|
|
5684 {
|
|
|
5685 DEFVAR_SPECIFIER ("modeline-shadow-thickness", &Vmodeline_shadow_thickness /*
|
|
|
5686 *How thick to draw 3D shadows around modelines.
|
|
|
5687 If this is set to 0, modelines will be the traditional 2D. Sizes above
|
|
|
5688 10 will be accepted but the maximum thickness that will be drawn is 10.
|
|
|
5689 This is a specifier; use `set-specifier' to change it.
|
|
|
5690 */ );
|
|
|
5691 Vmodeline_shadow_thickness = Fmake_specifier (Qinteger);
|
|
|
5692 /* The initial value for modeline-shadow-thickness is 2, but if the
|
|
|
5693 user removes all specifications we provide a fallback value of 0,
|
|
|
5694 which is probably what was expected. */
|
|
|
5695 set_specifier_fallback (Vmodeline_shadow_thickness,
|
|
|
5696 list1 (Fcons (Qnil, Qzero)));
|
|
|
5697 Fadd_spec_to_specifier (Vmodeline_shadow_thickness, make_int (2),
|
|
|
5698 Qnil, Qnil, Qnil);
|
|
|
5699 set_specifier_caching (Vmodeline_shadow_thickness,
|
|
412
|
5700 slot_offset (struct window,
|
|
|
5701 modeline_shadow_thickness),
|
|
0
|
5702 modeline_shadow_thickness_changed,
|
|
|
5703 0, 0);
|
|
380
|
5704
|
|
0
|
5705 DEFVAR_SPECIFIER ("has-modeline-p", &Vhas_modeline_p /*
|
|
|
5706 *Whether the modeline should be displayed.
|
|
|
5707 This is a specifier; use `set-specifier' to change it.
|
|
|
5708 */ );
|
|
|
5709 Vhas_modeline_p = Fmake_specifier (Qboolean);
|
|
|
5710 set_specifier_fallback (Vhas_modeline_p,
|
|
|
5711 list1 (Fcons (Qnil, Qt)));
|
|
|
5712 set_specifier_caching (Vhas_modeline_p,
|
|
412
|
5713 slot_offset (struct window,
|
|
|
5714 has_modeline_p),
|
|
0
|
5715 /* #### It's strange that we need a special
|
|
|
5716 flag to indicate that the shadow-thickness
|
|
|
5717 has changed, but not one to indicate that
|
|
|
5718 the modeline has been turned off or on. */
|
|
|
5719 some_window_value_changed,
|
|
|
5720 0, 0);
|
|
284
|
5721
|
|
298
|
5722 DEFVAR_SPECIFIER ("vertical-divider-always-visible-p",
|
|
|
5723 &Vvertical_divider_always_visible_p /*
|
|
|
5724 *Should XEmacs always display vertical dividers between windows.
|
|
|
5725
|
|
|
5726 When this is non-nil, vertical dividers are always shown, and are
|
|
|
5727 draggable. When it is nil, vertical dividers are shown only when
|
|
|
5728 there are no scrollbars in between windows, and are not draggable.
|
|
|
5729
|
|
284
|
5730 This is a specifier; use `set-specifier' to change it.
|
|
|
5731 */ );
|
|
298
|
5732 Vvertical_divider_always_visible_p = Fmake_specifier (Qboolean);
|
|
|
5733 set_specifier_fallback (Vvertical_divider_always_visible_p,
|
|
284
|
5734 list1 (Fcons (Qnil, Qt)));
|
|
298
|
5735 set_specifier_caching (Vvertical_divider_always_visible_p,
|
|
412
|
5736 slot_offset (struct window,
|
|
|
5737 vertical_divider_always_visible_p),
|
|
284
|
5738 vertical_divider_changed_in_window,
|
|
|
5739 0, 0);
|
|
|
5740
|
|
|
5741 DEFVAR_SPECIFIER ("vertical-divider-shadow-thickness", &Vvertical_divider_shadow_thickness /*
|
|
380
|
5742 *How thick to draw 3D shadows around vertical dividers.
|
|
284
|
5743 This is a specifier; use `set-specifier' to change it.
|
|
|
5744 */ );
|
|
|
5745 Vvertical_divider_shadow_thickness = Fmake_specifier (Qinteger);
|
|
|
5746 set_specifier_fallback (Vvertical_divider_shadow_thickness,
|
|
|
5747 list1 (Fcons (Qnil, Qzero)));
|
|
|
5748 Fadd_spec_to_specifier (Vvertical_divider_shadow_thickness, make_int (2),
|
|
|
5749 Qnil, Qnil, Qnil);
|
|
|
5750 set_specifier_caching (Vvertical_divider_shadow_thickness,
|
|
412
|
5751 slot_offset (struct window,
|
|
|
5752 vertical_divider_shadow_thickness),
|
|
284
|
5753 vertical_divider_changed_in_window,
|
|
|
5754 0, 0);
|
|
|
5755 DEFVAR_SPECIFIER ("vertical-divider-line-width", &Vvertical_divider_line_width /*
|
|
|
5756 *The width of the vertical dividers, not including shadows.
|
|
|
5757
|
|
298
|
5758 For TTY windows, divider line is always one character wide. When
|
|
284
|
5759 instance of this specifier is zero in a TTY window, no divider is
|
|
298
|
5760 drawn at all between windows. When non-zero, a one character wide
|
|
284
|
5761 divider is displayed.
|
|
|
5762
|
|
|
5763 This is a specifier; use `set-specifier' to change it.
|
|
|
5764 */ );
|
|
|
5765
|
|
|
5766 Vvertical_divider_line_width = Fmake_specifier (Qnatnum);
|
|
|
5767 {
|
|
|
5768 Lisp_Object fb = Qnil;
|
|
|
5769 #ifdef HAVE_TTY
|
|
375
|
5770 fb = Fcons (Fcons (list1 (Qtty), make_int (1)), fb);
|
|
284
|
5771 #endif
|
|
|
5772 #ifdef HAVE_X_WINDOWS
|
|
|
5773 fb = Fcons (Fcons (list1 (Qx), make_int (3)), fb);
|
|
|
5774 #endif
|
|
|
5775 #ifdef HAVE_MS_WINDOWS
|
|
|
5776 /* #### This should be made magic and made to obey system settings */
|
|
|
5777 fb = Fcons (Fcons (list1 (Qmswindows), make_int (3)), fb);
|
|
|
5778 #endif
|
|
|
5779 set_specifier_fallback (Vvertical_divider_line_width, fb);
|
|
|
5780 }
|
|
|
5781 set_specifier_caching (Vvertical_divider_line_width,
|
|
412
|
5782 slot_offset (struct window,
|
|
|
5783 vertical_divider_line_width),
|
|
284
|
5784 vertical_divider_changed_in_window,
|
|
|
5785 0, 0);
|
|
|
5786
|
|
|
5787 DEFVAR_SPECIFIER ("vertical-divider-spacing", &Vvertical_divider_spacing /*
|
|
|
5788 *How much space to leave around the vertical dividers.
|
|
|
5789
|
|
|
5790 In TTY windows, spacing is always zero, and the value of this
|
|
|
5791 specifier is ignored.
|
|
|
5792
|
|
|
5793 This is a specifier; use `set-specifier' to change it.
|
|
|
5794 */ );
|
|
|
5795 Vvertical_divider_spacing = Fmake_specifier (Qnatnum);
|
|
|
5796 {
|
|
|
5797 Lisp_Object fb = Qnil;
|
|
|
5798 #ifdef HAVE_TTY
|
|
|
5799 fb = Fcons (Fcons (list1 (Qtty), Qzero), fb);
|
|
|
5800 #endif
|
|
|
5801 #ifdef HAVE_X_WINDOWS
|
|
|
5802 /* #### 3D dividers look great on MS Windows with spacing = 0.
|
|
286
|
5803 Should not the same value be the fallback under X? - kkm */
|
|
284
|
5804 fb = Fcons (Fcons (list1 (Qx), make_int (2)), fb);
|
|
|
5805 #endif
|
|
|
5806 #ifdef HAVE_MS_WINDOWS
|
|
|
5807 fb = Fcons (Fcons (list1 (Qmswindows), Qzero), fb);
|
|
|
5808 #endif
|
|
|
5809 set_specifier_fallback (Vvertical_divider_spacing, fb);
|
|
|
5810 }
|
|
|
5811 set_specifier_caching (Vvertical_divider_spacing,
|
|
412
|
5812 slot_offset (struct window,
|
|
|
5813 vertical_divider_spacing),
|
|
284
|
5814 vertical_divider_changed_in_window,
|
|
|
5815 0, 0);
|
|
0
|
5816 }
|
