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83b2229f | 1 | /* Window definitions for GNU Emacs. |
ab422c4d PE |
2 | Copyright (C) 1985-1986, 1993, 1995, 1997-2013 Free Software |
3 | Foundation, Inc. | |
83b2229f JB |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
b9b1cc14 | 7 | GNU Emacs is free software: you can redistribute it and/or modify |
83b2229f | 8 | it under the terms of the GNU General Public License as published by |
b9b1cc14 GM |
9 | the Free Software Foundation, either version 3 of the License, or |
10 | (at your option) any later version. | |
83b2229f JB |
11 | |
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
b9b1cc14 | 18 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
83b2229f | 19 | |
f43dd834 GM |
20 | #ifndef WINDOW_H_INCLUDED |
21 | #define WINDOW_H_INCLUDED | |
22 | ||
23 | #include "dispextern.h" | |
83b2229f | 24 | |
e8c17b81 PE |
25 | INLINE_HEADER_BEGIN |
26 | #ifndef WINDOW_INLINE | |
27 | # define WINDOW_INLINE INLINE | |
28 | #endif | |
29 | ||
83b2229f JB |
30 | /* Windows are allocated as if they were vectors, but then the |
31 | Lisp data type is changed to Lisp_Window. They are garbage | |
32 | collected along with the vectors. | |
33 | ||
34 | All windows in use are arranged into a tree, with pointers up and down. | |
35 | ||
36 | Windows that are leaves of the tree are actually displayed | |
37 | and show the contents of buffers. Windows that are not leaves | |
38 | are used for representing the way groups of leaf windows are | |
44fa5b1e | 39 | arranged on the frame. Leaf windows never become non-leaves. |
83b2229f JB |
40 | They are deleted only by calling delete-window on them (but |
41 | this can be done implicitly). Combination windows can be created | |
42 | and deleted at any time. | |
43 | ||
44 | A leaf window has a non-nil buffer field, and also | |
45 | has markers in its start and pointm fields. Non-leaf windows | |
46 | have nil in these fields. | |
47 | ||
48 | Non-leaf windows are either vertical or horizontal combinations. | |
49 | ||
44fa5b1e | 50 | A vertical combination window has children that are arranged on the frame |
83b2229f JB |
51 | one above the next. Its vchild field points to the uppermost child. |
52 | The parent field of each of the children points to the vertical | |
53 | combination window. The next field of each child points to the | |
54 | child below it, or is nil for the lowest child. The prev field | |
55 | of each child points to the child above it, or is nil for the | |
56 | highest child. | |
57 | ||
58 | A horizontal combination window has children that are side by side. | |
59 | Its hchild field points to the leftmost child. In each child | |
60 | the next field points to the child to the right and the prev field | |
61 | points to the child to the left. | |
62 | ||
63 | The children of a vertical combination window may be leaf windows | |
64 | or horizontal combination windows. The children of a horizontal | |
65 | combination window may be leaf windows or vertical combination windows. | |
66 | ||
67 | At the top of the tree are two windows which have nil as parent. | |
68 | The second of these is minibuf_window. The first one manages all | |
44fa5b1e | 69 | the frame area that is not minibuffer, and is called the root window. |
83b2229f JB |
70 | Different windows can be the root at different times; |
71 | initially the root window is a leaf window, but if more windows | |
72 | are created then that leaf window ceases to be root and a newly | |
73 | made combination window becomes root instead. | |
74 | ||
fbfed6f0 JB |
75 | In any case, on screens which have an ordinary window and a |
76 | minibuffer, prev of the minibuf window is the root window and next of | |
77 | the root window is the minibuf window. On minibufferless screens or | |
78 | minibuffer-only screens, the root window and the minibuffer window are | |
27daff1e | 79 | one and the same, so its prev and next members are nil. |
83b2229f | 80 | |
27daff1e | 81 | A dead window has its buffer, hchild, and vchild windows all nil. */ |
83b2229f | 82 | |
f43dd834 GM |
83 | struct cursor_pos |
84 | { | |
85 | /* Pixel position. These are always window relative. */ | |
86 | int x, y; | |
87 | ||
88 | /* Glyph matrix position. */ | |
89 | int hpos, vpos; | |
90 | }; | |
91 | ||
83b2229f JB |
92 | struct window |
93 | { | |
eab3844f | 94 | /* This is for Lisp; the terminal code does not refer to it. */ |
b102ceb1 | 95 | struct vectorlike_header header; |
eab3844f | 96 | |
44fa5b1e | 97 | /* The frame this window is on. */ |
d3d50620 | 98 | Lisp_Object frame; |
496e208e | 99 | |
496e208e MR |
100 | /* Following (to right or down) and preceding (to left or up) child |
101 | at same level of tree. */ | |
d3d50620 DA |
102 | Lisp_Object next; |
103 | Lisp_Object prev; | |
496e208e MR |
104 | |
105 | /* First child of this window: vchild is used if this is a vertical | |
106 | combination, hchild if this is a horizontal combination. Of the | |
107 | fields vchild, hchild and buffer, one and only one is non-nil | |
108 | unless the window is dead. */ | |
d3d50620 DA |
109 | Lisp_Object hchild; |
110 | Lisp_Object vchild; | |
496e208e MR |
111 | |
112 | /* The window this one is a child of. */ | |
d3d50620 | 113 | Lisp_Object parent; |
496e208e | 114 | |
5f24fa51 DA |
115 | /* The normal size of the window. These are fractions, but we do |
116 | not use C doubles to avoid creating new Lisp_Float objects while | |
117 | interfacing Lisp in Fwindow_normal_size. */ | |
d3d50620 DA |
118 | Lisp_Object normal_lines; |
119 | Lisp_Object normal_cols; | |
496e208e | 120 | |
5f24fa51 DA |
121 | /* New sizes of the window. Note that Lisp code may set new_normal |
122 | to something beyond an integer, so C int can't be used here. */ | |
d3d50620 DA |
123 | Lisp_Object new_total; |
124 | Lisp_Object new_normal; | |
496e208e MR |
125 | |
126 | /* The buffer displayed in this window. Of the fields vchild, | |
127 | hchild and buffer, one and only one is non-nil unless the window | |
128 | is dead. */ | |
d3d50620 | 129 | Lisp_Object buffer; |
496e208e | 130 | |
6bff6497 EZ |
131 | /* A marker pointing to where in the text to start displaying. |
132 | BIDI Note: This is the _logical-order_ start, i.e. the smallest | |
133 | buffer position visible in the window, not necessarily the | |
134 | character displayed in the top left corner of the window. */ | |
d3d50620 | 135 | Lisp_Object start; |
496e208e | 136 | |
83b2229f JB |
137 | /* A marker pointing to where in the text point is in this window, |
138 | used only when the window is not selected. | |
139 | This exists so that when multiple windows show one buffer | |
140 | each one can have its own value of point. */ | |
d3d50620 | 141 | Lisp_Object pointm; |
496e208e | 142 | |
496e208e MR |
143 | /* No permanent meaning; used by save-window-excursion's |
144 | bookkeeping. */ | |
d3d50620 | 145 | Lisp_Object temslot; |
496e208e | 146 | |
a3c87d4e | 147 | /* This window's vertical scroll bar. This field is only for use |
7c299e7a | 148 | by the window-system-dependent code which implements the |
a3c87d4e JB |
149 | scroll bars; it can store anything it likes here. If this |
150 | window is newly created and we haven't displayed a scroll bar in | |
151 | it yet, or if the frame doesn't have any scroll bars, this is nil. */ | |
d3d50620 | 152 | Lisp_Object vertical_scroll_bar; |
20a558dc | 153 | |
f43dd834 GM |
154 | /* Width of left and right marginal areas. A value of nil means |
155 | no margin. */ | |
d3d50620 DA |
156 | Lisp_Object left_margin_cols; |
157 | Lisp_Object right_margin_cols; | |
6000501b KS |
158 | |
159 | /* Width of left and right fringes. | |
160 | A value of nil or t means use frame values. */ | |
d3d50620 DA |
161 | Lisp_Object left_fringe_width; |
162 | Lisp_Object right_fringe_width; | |
6000501b KS |
163 | |
164 | /* Pixel width of scroll bars. | |
165 | A value of nil or t means use frame values. */ | |
d3d50620 | 166 | Lisp_Object scroll_bar_width; |
496e208e | 167 | |
6000501b KS |
168 | /* Type of vertical scroll bar. A value of nil means |
169 | no scroll bar. A value of t means use frame value. */ | |
d3d50620 | 170 | Lisp_Object vertical_scroll_bar_type; |
f43dd834 | 171 | |
9d93ce29 DA |
172 | /* Z - the buffer position of the last glyph in the current |
173 | matrix of W. Only valid if window_end_valid is nonzero. */ | |
d3d50620 | 174 | Lisp_Object window_end_pos; |
9d93ce29 | 175 | |
f43dd834 | 176 | /* Glyph matrix row of the last glyph in the current matrix |
9d93ce29 | 177 | of W. Only valid if window_end_valid is nonzero. */ |
d3d50620 | 178 | Lisp_Object window_end_vpos; |
496e208e | 179 | |
83b2229f JB |
180 | /* Display-table to use for displaying chars in this window. |
181 | Nil means use the buffer's own display-table. */ | |
d3d50620 | 182 | Lisp_Object display_table; |
496e208e | 183 | |
c98ff5dd DA |
184 | /* Non-nil usually means window is marked as dedicated. |
185 | Note Lisp code may set this to something beyond Qnil | |
186 | and Qt, so bitfield can't be used here. */ | |
d3d50620 | 187 | Lisp_Object dedicated; |
496e208e | 188 | |
a3bee872 RS |
189 | /* If redisplay in this window goes beyond this buffer position, |
190 | must run the redisplay-end-trigger-hook. */ | |
d3d50620 | 191 | Lisp_Object redisplay_end_trigger; |
177c0ea7 | 192 | |
b6f67890 | 193 | /* t means this window's child windows are not (re-)combined. */ |
d3d50620 | 194 | Lisp_Object combination_limit; |
496e208e | 195 | |
e1dbe924 | 196 | /* An alist with parameters. */ |
d3d50620 | 197 | Lisp_Object window_parameters; |
e6841c3b | 198 | |
f43dd834 GM |
199 | /* No Lisp data may follow below this point without changing |
200 | mark_object in alloc.c. The member current_matrix must be the | |
201 | first non-Lisp member. */ | |
202 | ||
203 | /* Glyph matrices. */ | |
204 | struct glyph_matrix *current_matrix; | |
205 | struct glyph_matrix *desired_matrix; | |
206 | ||
e99f70c8 SM |
207 | /* The two Lisp_Object fields below are marked in a special way, |
208 | which is why they're placed after `current_matrix'. */ | |
209 | /* Alist of <buffer, window-start, window-point> triples listing | |
210 | buffers previously shown in this window. */ | |
211 | Lisp_Object prev_buffers; | |
212 | /* List of buffers re-shown in this window. */ | |
213 | Lisp_Object next_buffers; | |
214 | ||
45942c7d DA |
215 | /* Number saying how recently window was selected. */ |
216 | int use_time; | |
217 | ||
5f24fa51 DA |
218 | /* The upper left corner coordinates of this window, |
219 | relative to upper left corner of frame = 0, 0. */ | |
220 | int left_col; | |
221 | int top_line; | |
222 | ||
223 | /* The size of the window. */ | |
224 | int total_lines; | |
225 | int total_cols; | |
226 | ||
80b00b08 | 227 | /* Number of columns display within the window is scrolled to the left. */ |
ea2ac797 | 228 | ptrdiff_t hscroll; |
80b00b08 DA |
229 | |
230 | /* Minimum hscroll for automatic hscrolling. This is the value | |
231 | the user has set, by set-window-hscroll for example. */ | |
ea2ac797 | 232 | ptrdiff_t min_hscroll; |
80b00b08 DA |
233 | |
234 | /* Displayed buffer's text modification events counter as of last time | |
235 | display completed. */ | |
236 | EMACS_INT last_modified; | |
237 | ||
238 | /* Displayed buffer's overlays modification events counter as of last | |
239 | complete update. */ | |
240 | EMACS_INT last_overlay_modified; | |
241 | ||
242 | /* Value of point at that time. Since this is a position in a buffer, | |
1e101a4b | 243 | it should be positive. */ |
80b00b08 DA |
244 | ptrdiff_t last_point; |
245 | ||
422ff52b DA |
246 | /* Line number and position of a line somewhere above the top of the |
247 | screen. If this field is zero, it means we don't have a base line. */ | |
248 | ptrdiff_t base_line_number; | |
249 | ||
250 | /* If this field is zero, it means we don't have a base line. | |
251 | If it is -1, it means don't display the line number as long | |
252 | as the window shows its buffer. */ | |
253 | ptrdiff_t base_line_pos; | |
254 | ||
255 | /* The column number currently displayed in this window's mode | |
256 | line, or -1 if column numbers are not being displayed. */ | |
257 | ptrdiff_t column_number_displayed; | |
258 | ||
71a0ff9a KS |
259 | /* Scaling factor for the glyph_matrix size calculation in this window. |
260 | Used if window contains many small images or uses proportional fonts, | |
261 | as the normal may yield a matrix which is too small. */ | |
262 | int nrows_scale_factor, ncols_scale_factor; | |
263 | ||
f43dd834 GM |
264 | /* Cursor position as of last update that completed without |
265 | pause. This is the position of last_point. */ | |
266 | struct cursor_pos last_cursor; | |
267 | ||
268 | /* Intended cursor position. This is a position within the | |
269 | glyph matrix. */ | |
270 | struct cursor_pos cursor; | |
177c0ea7 | 271 | |
f43dd834 GM |
272 | /* Where the cursor actually is. */ |
273 | struct cursor_pos phys_cursor; | |
177c0ea7 JB |
274 | |
275 | /* Cursor type and width of last cursor drawn on the window. | |
7e913f91 KS |
276 | Used for X and w32 frames; -1 initially. */ |
277 | int phys_cursor_type, phys_cursor_width; | |
f43dd834 GM |
278 | |
279 | /* This is handy for undrawing the cursor. */ | |
280 | int phys_cursor_ascent, phys_cursor_height; | |
177c0ea7 | 281 | |
c98ff5dd DA |
282 | /* Non-zero if this window is a minibuffer window. */ |
283 | unsigned mini : 1; | |
284 | ||
1e101a4b | 285 | /* Non-zero means must regenerate mode line of this window. */ |
c98ff5dd DA |
286 | unsigned update_mode_line : 1; |
287 | ||
288 | /* Non-nil if the buffer was "modified" when the window | |
289 | was last updated. */ | |
290 | unsigned last_had_star : 1; | |
291 | ||
292 | /* Non-zero means current value of `start' | |
293 | was the beginning of a line when it was chosen. */ | |
294 | unsigned start_at_line_beg : 1; | |
295 | ||
296 | /* Non-zero means next redisplay must use the value of start | |
297 | set up for it in advance. Set by scrolling commands. */ | |
298 | unsigned force_start : 1; | |
299 | ||
300 | /* Non-zero means we have explicitly changed the value of start, | |
301 | but that the next redisplay is not obliged to use the new value. | |
302 | This is used in Fdelete_other_windows to force a call to | |
303 | Vwindow_scroll_functions; also by Frecenter with argument. */ | |
304 | unsigned optional_new_start : 1; | |
305 | ||
f43dd834 GM |
306 | /* Non-zero means the cursor is currently displayed. This can be |
307 | set to zero by functions overpainting the cursor image. */ | |
308 | unsigned phys_cursor_on_p : 1; | |
309 | ||
310 | /* 0 means cursor is logically on, 1 means it's off. Used for | |
311 | blinking cursor. */ | |
312 | unsigned cursor_off_p : 1; | |
313 | ||
314 | /* Value of cursor_off_p as of the last redisplay. */ | |
315 | unsigned last_cursor_off_p : 1; | |
316 | ||
317 | /* 1 means desired matrix has been build and window must be | |
318 | updated in update_frame. */ | |
319 | unsigned must_be_updated_p : 1; | |
320 | ||
321 | /* Flag indicating that this window is not a real one. | |
322 | Currently only used for menu bar windows of frames. */ | |
323 | unsigned pseudo_window_p : 1; | |
324 | ||
91a47a68 DN |
325 | /* 1 means the window start of this window is frozen and may not |
326 | be changed during redisplay. If point is not in the window, | |
327 | accept that. */ | |
328 | unsigned frozen_window_start_p : 1; | |
329 | ||
2af3565e DA |
330 | /* Non-zero means fringes are drawn outside display margins. |
331 | Otherwise draw them between margin areas and text. */ | |
332 | unsigned fringes_outside_margins : 1; | |
333 | ||
9d93ce29 DA |
334 | /* Nonzero if window_end_pos and window_end_vpos are truly valid. |
335 | This is zero if nontrivial redisplay is preempted since in that case | |
336 | the frame image that window_end_pos did not get onto the frame. */ | |
337 | unsigned window_end_valid : 1; | |
338 | ||
f43dd834 GM |
339 | /* Amount by which lines of this window are scrolled in |
340 | y-direction (smooth scrolling). */ | |
341 | int vscroll; | |
177c0ea7 | 342 | |
86f7c0fe | 343 | /* If we have highlighted the region (or any part of it), the mark |
33b49d71 | 344 | (region start) position; otherwise zero. */ |
86f7c0fe EZ |
345 | ptrdiff_t region_showing; |
346 | ||
9d93ce29 DA |
347 | /* Z_BYTE - buffer position of the last glyph in the current matrix of W. |
348 | Should be nonnegative, and only valid if window_end_valid is nonzero. */ | |
2af3565e | 349 | ptrdiff_t window_end_bytepos; |
f43dd834 | 350 | }; |
83b2229f | 351 | |
e8c17b81 PE |
352 | /* Most code should use these functions to set Lisp fields in struct |
353 | window. */ | |
354 | WINDOW_INLINE void | |
e8c17b81 PE |
355 | wset_frame (struct window *w, Lisp_Object val) |
356 | { | |
357 | w->frame = val; | |
358 | } | |
359 | WINDOW_INLINE void | |
e8c17b81 PE |
360 | wset_next (struct window *w, Lisp_Object val) |
361 | { | |
362 | w->next = val; | |
363 | } | |
364 | WINDOW_INLINE void | |
365 | wset_prev (struct window *w, Lisp_Object val) | |
366 | { | |
367 | w->prev = val; | |
368 | } | |
369 | WINDOW_INLINE void | |
370 | wset_redisplay_end_trigger (struct window *w, Lisp_Object val) | |
371 | { | |
372 | w->redisplay_end_trigger = val; | |
373 | } | |
374 | WINDOW_INLINE void | |
e8c17b81 PE |
375 | wset_vertical_scroll_bar (struct window *w, Lisp_Object val) |
376 | { | |
377 | w->vertical_scroll_bar = val; | |
378 | } | |
379 | WINDOW_INLINE void | |
380 | wset_window_end_pos (struct window *w, Lisp_Object val) | |
381 | { | |
382 | w->window_end_pos = val; | |
383 | } | |
384 | WINDOW_INLINE void | |
e8c17b81 PE |
385 | wset_window_end_vpos (struct window *w, Lisp_Object val) |
386 | { | |
387 | w->window_end_vpos = val; | |
388 | } | |
d73e321c DA |
389 | WINDOW_INLINE void |
390 | wset_prev_buffers (struct window *w, Lisp_Object val) | |
391 | { | |
392 | w->prev_buffers = val; | |
393 | } | |
394 | WINDOW_INLINE void | |
395 | wset_next_buffers (struct window *w, Lisp_Object val) | |
396 | { | |
397 | w->next_buffers = val; | |
398 | } | |
e8c17b81 | 399 | |
83b2229f JB |
400 | /* 1 if W is a minibuffer window. */ |
401 | ||
c98ff5dd | 402 | #define MINI_WINDOW_P(W) ((W)->mini) |
83b2229f | 403 | |
6000501b KS |
404 | /* General window layout: |
405 | ||
406 | LEFT_EDGE_COL RIGHT_EDGE_COL | |
407 | | | | |
408 | | | | |
409 | | BOX_LEFT_EDGE_COL | | |
410 | | | BOX_RIGHT_EDGE_COL | | |
411 | | | | | | |
412 | v v v v | |
413 | <-><-><---><-----------><---><-><-> | |
414 | ^ ^ ^ ^ ^ ^ ^ | |
415 | | | | | | | | | |
416 | | | | | | | +-- RIGHT_SCROLL_BAR_COLS | |
417 | | | | | | +----- RIGHT_FRINGE_WIDTH | |
418 | | | | | +--------- RIGHT_MARGIN_COLS | |
419 | | | | | | |
420 | | | | +------------------ TEXT_AREA_COLS | |
421 | | | | | |
422 | | | +--------------------------- LEFT_MARGIN_COLS | |
423 | | +------------------------------- LEFT_FRINGE_WIDTH | |
424 | +---------------------------------- LEFT_SCROLL_BAR_COLS | |
754dc3d8 | 425 | |
6000501b KS |
426 | */ |
427 | ||
428 | ||
429 | /* A handy macro. */ | |
430 | ||
431 | #define WINDOW_XFRAME(W) \ | |
432 | (XFRAME (WINDOW_FRAME ((W)))) | |
433 | ||
434 | /* Return the canonical column width of the frame of window W. */ | |
435 | ||
436 | #define WINDOW_FRAME_COLUMN_WIDTH(W) \ | |
437 | (FRAME_COLUMN_WIDTH (WINDOW_XFRAME ((W)))) | |
438 | ||
439 | /* Return the canonical column width of the frame of window W. */ | |
440 | ||
441 | #define WINDOW_FRAME_LINE_HEIGHT(W) \ | |
442 | (FRAME_LINE_HEIGHT (WINDOW_XFRAME ((W)))) | |
443 | ||
92f774f3 | 444 | /* Return the width of window W in canonical column units. |
6000501b | 445 | This includes scroll bars and fringes. */ |
8516ba9a | 446 | |
5f24fa51 | 447 | #define WINDOW_TOTAL_COLS(W) (W)->total_cols |
6000501b | 448 | |
92f774f3 | 449 | /* Return the height of window W in canonical line units. |
6000501b KS |
450 | This includes header and mode lines, if any. */ |
451 | ||
5f24fa51 | 452 | #define WINDOW_TOTAL_LINES(W) (W)->total_lines |
6000501b | 453 | |
6000501b KS |
454 | /* Return the total pixel width of window W. */ |
455 | ||
456 | #define WINDOW_TOTAL_WIDTH(W) \ | |
457 | (WINDOW_TOTAL_COLS (W) * WINDOW_FRAME_COLUMN_WIDTH (W)) | |
458 | ||
459 | /* Return the total pixel height of window W. */ | |
460 | ||
461 | #define WINDOW_TOTAL_HEIGHT(W) \ | |
462 | (WINDOW_TOTAL_LINES (W) * WINDOW_FRAME_LINE_HEIGHT (W)) | |
463 | ||
496e208e MR |
464 | /* For HORFLAG non-zero the total number of columns of window W. Otherwise |
465 | the total number of lines of W. */ | |
466 | ||
467 | #define WINDOW_TOTAL_SIZE(w, horflag) \ | |
468 | (horflag ? WINDOW_TOTAL_COLS (w) : WINDOW_TOTAL_LINES (w)) | |
469 | ||
470 | /* The smallest acceptable dimensions for a window. Anything smaller | |
471 | might crash Emacs. */ | |
472 | ||
473 | #define MIN_SAFE_WINDOW_WIDTH (2) | |
474 | #define MIN_SAFE_WINDOW_HEIGHT (1) | |
6000501b KS |
475 | |
476 | /* Return the canonical frame column at which window W starts. | |
477 | This includes a left-hand scroll bar, if any. */ | |
478 | ||
5f24fa51 | 479 | #define WINDOW_LEFT_EDGE_COL(W) (W)->left_col |
6000501b KS |
480 | |
481 | /* Return the canonical frame column before which window W ends. | |
8516ba9a RS |
482 | This includes a right-hand scroll bar, if any. */ |
483 | ||
6000501b KS |
484 | #define WINDOW_RIGHT_EDGE_COL(W) \ |
485 | (WINDOW_LEFT_EDGE_COL (W) + WINDOW_TOTAL_COLS (W)) | |
8516ba9a | 486 | |
6000501b KS |
487 | /* Return the canonical frame line at which window W starts. |
488 | This includes a header line, if any. */ | |
489 | ||
5f24fa51 | 490 | #define WINDOW_TOP_EDGE_LINE(W) (W)->top_line |
6000501b KS |
491 | |
492 | /* Return the canonical frame line before which window W ends. | |
493 | This includes a mode line, if any. */ | |
494 | ||
495 | #define WINDOW_BOTTOM_EDGE_LINE(W) \ | |
496 | (WINDOW_TOP_EDGE_LINE (W) + WINDOW_TOTAL_LINES (W)) | |
497 | ||
498 | ||
499 | /* Return the frame x-position at which window W starts. | |
500 | This includes a left-hand scroll bar, if any. */ | |
501 | ||
502 | #define WINDOW_LEFT_EDGE_X(W) \ | |
503 | (FRAME_INTERNAL_BORDER_WIDTH (WINDOW_XFRAME (W)) \ | |
504 | + WINDOW_LEFT_EDGE_COL (W) * WINDOW_FRAME_COLUMN_WIDTH (W)) | |
505 | ||
506 | /* Return the frame x- position before which window W ends. | |
507 | This includes a right-hand scroll bar, if any. */ | |
508 | ||
509 | #define WINDOW_RIGHT_EDGE_X(W) \ | |
510 | (FRAME_INTERNAL_BORDER_WIDTH (WINDOW_XFRAME (W)) \ | |
511 | + WINDOW_RIGHT_EDGE_COL (W) * WINDOW_FRAME_COLUMN_WIDTH (W)) | |
512 | ||
4b00d3b1 YM |
513 | /* 1 if W is a menu bar window. */ |
514 | ||
515 | #define WINDOW_MENU_BAR_P(W) \ | |
e69b0960 DA |
516 | (WINDOWP (WINDOW_XFRAME (W)->menu_bar_window) \ |
517 | && (W) == XWINDOW (WINDOW_XFRAME (W)->menu_bar_window)) | |
4b00d3b1 YM |
518 | |
519 | /* 1 if W is a tool bar window. */ | |
520 | ||
521 | #define WINDOW_TOOL_BAR_P(W) \ | |
e69b0960 DA |
522 | (WINDOWP (WINDOW_XFRAME (W)->tool_bar_window) \ |
523 | && (W) == XWINDOW (WINDOW_XFRAME (W)->tool_bar_window)) | |
4b00d3b1 | 524 | |
6000501b KS |
525 | /* Return the frame y-position at which window W starts. |
526 | This includes a header line, if any. */ | |
527 | ||
528 | #define WINDOW_TOP_EDGE_Y(W) \ | |
4b00d3b1 YM |
529 | (((WINDOW_MENU_BAR_P (W) || WINDOW_TOOL_BAR_P (W)) \ |
530 | ? 0 : FRAME_INTERNAL_BORDER_WIDTH (WINDOW_XFRAME (W))) \ | |
6000501b KS |
531 | + WINDOW_TOP_EDGE_LINE (W) * WINDOW_FRAME_LINE_HEIGHT (W)) |
532 | ||
533 | /* Return the frame y-position before which window W ends. | |
534 | This includes a mode line, if any. */ | |
535 | ||
536 | #define WINDOW_BOTTOM_EDGE_Y(W) \ | |
4b00d3b1 YM |
537 | (((WINDOW_MENU_BAR_P (W) || WINDOW_TOOL_BAR_P (W)) \ |
538 | ? 0 : FRAME_INTERNAL_BORDER_WIDTH (WINDOW_XFRAME (W))) \ | |
6000501b | 539 | + WINDOW_BOTTOM_EDGE_LINE (W) * WINDOW_FRAME_LINE_HEIGHT (W)) |
14a65ffe | 540 | |
8516ba9a | 541 | |
177c0ea7 | 542 | /* 1 if window W takes up the full width of its frame. */ |
8516ba9a RS |
543 | |
544 | #define WINDOW_FULL_WIDTH_P(W) \ | |
6000501b KS |
545 | (WINDOW_TOTAL_COLS (W) == FRAME_TOTAL_COLS (WINDOW_XFRAME (W))) |
546 | ||
547 | /* 1 if window W's has no other windows to its left in its frame. */ | |
548 | ||
549 | #define WINDOW_LEFTMOST_P(W) \ | |
550 | (WINDOW_LEFT_EDGE_COL (W) == 0) | |
8516ba9a | 551 | |
177c0ea7 | 552 | /* 1 if window W's has no other windows to its right in its frame. */ |
8516ba9a RS |
553 | |
554 | #define WINDOW_RIGHTMOST_P(W) \ | |
6000501b KS |
555 | (WINDOW_RIGHT_EDGE_COL (W) == FRAME_TOTAL_COLS (WINDOW_XFRAME (W))) |
556 | ||
557 | ||
558 | /* Return the frame column at which the text (or left fringe) in | |
559 | window W starts. This is different from the `LEFT_EDGE' because it | |
560 | does not include a left-hand scroll bar if any. */ | |
561 | ||
562 | #define WINDOW_BOX_LEFT_EDGE_COL(W) \ | |
563 | (WINDOW_LEFT_EDGE_COL (W) \ | |
564 | + WINDOW_LEFT_SCROLL_BAR_COLS (W)) | |
565 | ||
566 | /* Return the window column before which the text in window W ends. | |
567 | This is different from WINDOW_RIGHT_EDGE_COL because it does not | |
568 | include a scroll bar or window-separating line on the right edge. */ | |
569 | ||
570 | #define WINDOW_BOX_RIGHT_EDGE_COL(W) \ | |
571 | (WINDOW_RIGHT_EDGE_COL (W) \ | |
572 | - WINDOW_RIGHT_SCROLL_BAR_COLS (W)) | |
573 | ||
574 | ||
575 | /* Return the frame position at which the text (or left fringe) in | |
576 | window W starts. This is different from the `LEFT_EDGE' because it | |
577 | does not include a left-hand scroll bar if any. */ | |
578 | ||
579 | #define WINDOW_BOX_LEFT_EDGE_X(W) \ | |
580 | (FRAME_INTERNAL_BORDER_WIDTH (WINDOW_XFRAME (W)) \ | |
581 | + WINDOW_BOX_LEFT_EDGE_COL (W) * WINDOW_FRAME_COLUMN_WIDTH (W)) | |
582 | ||
583 | /* Return the window column before which the text in window W ends. | |
584 | This is different from WINDOW_RIGHT_EDGE_COL because it does not | |
585 | include a scroll bar or window-separating line on the right edge. */ | |
586 | ||
587 | #define WINDOW_BOX_RIGHT_EDGE_X(W) \ | |
588 | (FRAME_INTERNAL_BORDER_WIDTH (WINDOW_XFRAME (W)) \ | |
589 | + WINDOW_BOX_RIGHT_EDGE_COL (W) * WINDOW_FRAME_COLUMN_WIDTH (W)) | |
590 | ||
591 | ||
592 | /* Width of left margin area in columns. */ | |
593 | ||
d3d50620 DA |
594 | #define WINDOW_LEFT_MARGIN_COLS(W) \ |
595 | (NILP (W->left_margin_cols) \ | |
596 | ? 0 \ | |
597 | : XINT (W->left_margin_cols)) | |
6000501b KS |
598 | |
599 | /* Width of right marginal area in columns. */ | |
600 | ||
d3d50620 DA |
601 | #define WINDOW_RIGHT_MARGIN_COLS(W) \ |
602 | (NILP (W->right_margin_cols) \ | |
603 | ? 0 \ | |
604 | : XINT (W->right_margin_cols)) | |
6000501b KS |
605 | |
606 | /* Width of left margin area in pixels. */ | |
607 | ||
d3d50620 DA |
608 | #define WINDOW_LEFT_MARGIN_WIDTH(W) \ |
609 | (NILP (W->left_margin_cols) \ | |
610 | ? 0 \ | |
611 | : (XINT (W->left_margin_cols) \ | |
6000501b KS |
612 | * WINDOW_FRAME_COLUMN_WIDTH (W))) |
613 | ||
614 | /* Width of right marginal area in pixels. */ | |
615 | ||
d3d50620 DA |
616 | #define WINDOW_RIGHT_MARGIN_WIDTH(W) \ |
617 | (NILP (W->right_margin_cols) \ | |
618 | ? 0 \ | |
619 | : (XINT (W->right_margin_cols) \ | |
6000501b KS |
620 | * WINDOW_FRAME_COLUMN_WIDTH (W))) |
621 | ||
622 | /* Total width of fringes reserved for drawing truncation bitmaps, | |
623 | continuation bitmaps and alike. The width is in canonical char | |
624 | units of the frame. This must currently be the case because window | |
625 | sizes aren't pixel values. If it weren't the case, we wouldn't be | |
626 | able to split windows horizontally nicely. */ | |
627 | ||
d3d50620 DA |
628 | #define WINDOW_FRINGE_COLS(W) \ |
629 | ((INTEGERP (W->left_fringe_width) \ | |
630 | || INTEGERP (W->right_fringe_width)) \ | |
631 | ? ((WINDOW_LEFT_FRINGE_WIDTH (W) \ | |
632 | + WINDOW_RIGHT_FRINGE_WIDTH (W) \ | |
633 | + WINDOW_FRAME_COLUMN_WIDTH (W) - 1) \ | |
634 | / WINDOW_FRAME_COLUMN_WIDTH (W)) \ | |
6000501b KS |
635 | : FRAME_FRINGE_COLS (WINDOW_XFRAME (W))) |
636 | ||
01aa0b2e RS |
637 | /* Column-width of the left and right fringe. */ |
638 | ||
d3d50620 DA |
639 | #define WINDOW_LEFT_FRINGE_COLS(W) \ |
640 | ((WINDOW_LEFT_FRINGE_WIDTH ((W)) \ | |
641 | + WINDOW_FRAME_COLUMN_WIDTH (W) - 1) \ | |
01aa0b2e RS |
642 | / WINDOW_FRAME_COLUMN_WIDTH (W)) |
643 | ||
d3d50620 DA |
644 | #define WINDOW_RIGHT_FRINGE_COLS(W) \ |
645 | ((WINDOW_RIGHT_FRINGE_WIDTH ((W)) \ | |
646 | + WINDOW_FRAME_COLUMN_WIDTH (W) - 1) \ | |
01aa0b2e RS |
647 | / WINDOW_FRAME_COLUMN_WIDTH (W)) |
648 | ||
6000501b KS |
649 | /* Pixel-width of the left and right fringe. */ |
650 | ||
651 | #define WINDOW_LEFT_FRINGE_WIDTH(W) \ | |
d3d50620 DA |
652 | (INTEGERP (W->left_fringe_width) \ |
653 | ? XFASTINT (W->left_fringe_width) \ | |
6000501b KS |
654 | : FRAME_LEFT_FRINGE_WIDTH (WINDOW_XFRAME (W))) |
655 | ||
656 | #define WINDOW_RIGHT_FRINGE_WIDTH(W) \ | |
d3d50620 DA |
657 | (INTEGERP (W->right_fringe_width) \ |
658 | ? XFASTINT (W->right_fringe_width) \ | |
6000501b KS |
659 | : FRAME_RIGHT_FRINGE_WIDTH (WINDOW_XFRAME (W))) |
660 | ||
661 | /* Total width of fringes in pixels. */ | |
662 | ||
663 | #define WINDOW_TOTAL_FRINGE_WIDTH(W) \ | |
664 | (WINDOW_LEFT_FRINGE_WIDTH (W) + WINDOW_RIGHT_FRINGE_WIDTH (W)) | |
665 | ||
666 | /* Are fringes outside display margins in window W. */ | |
667 | ||
668 | #define WINDOW_HAS_FRINGES_OUTSIDE_MARGINS(W) \ | |
2af3565e | 669 | ((W)->fringes_outside_margins) |
6000501b KS |
670 | |
671 | /* Say whether scroll bars are currently enabled for window W, | |
672 | and which side they are on. */ | |
673 | ||
674 | #define WINDOW_VERTICAL_SCROLL_BAR_TYPE(w) \ | |
d3d50620 | 675 | (EQ (w->vertical_scroll_bar_type, Qt) \ |
6000501b | 676 | ? FRAME_VERTICAL_SCROLL_BAR_TYPE (WINDOW_XFRAME (w)) \ |
d3d50620 | 677 | : EQ (w->vertical_scroll_bar_type, Qleft) \ |
6000501b | 678 | ? vertical_scroll_bar_left \ |
d3d50620 | 679 | : EQ (w->vertical_scroll_bar_type, Qright) \ |
6000501b KS |
680 | ? vertical_scroll_bar_right \ |
681 | : vertical_scroll_bar_none) \ | |
682 | ||
683 | #define WINDOW_HAS_VERTICAL_SCROLL_BAR(w) \ | |
d3d50620 | 684 | (EQ (w->vertical_scroll_bar_type, Qt) \ |
6000501b | 685 | ? FRAME_HAS_VERTICAL_SCROLL_BARS (WINDOW_XFRAME (w)) \ |
d3d50620 | 686 | : !NILP (w->vertical_scroll_bar_type)) |
6000501b KS |
687 | |
688 | #define WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT(w) \ | |
d3d50620 | 689 | (EQ (w->vertical_scroll_bar_type, Qt) \ |
6000501b | 690 | ? FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (WINDOW_XFRAME (w)) \ |
d3d50620 | 691 | : EQ (w->vertical_scroll_bar_type, Qleft)) |
6000501b | 692 | |
d3d50620 DA |
693 | #define WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT(w) \ |
694 | (EQ (w->vertical_scroll_bar_type, Qt) \ | |
695 | ? FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (WINDOW_XFRAME (w)) \ | |
696 | : EQ (w->vertical_scroll_bar_type, Qright)) | |
6000501b KS |
697 | |
698 | /* Width that a scroll bar in window W should have, if there is one. | |
699 | Measured in pixels. If scroll bars are turned off, this is still | |
700 | nonzero. */ | |
701 | ||
702 | #define WINDOW_CONFIG_SCROLL_BAR_WIDTH(w) \ | |
d3d50620 DA |
703 | (INTEGERP (w->scroll_bar_width) \ |
704 | ? XFASTINT (w->scroll_bar_width) \ | |
6000501b KS |
705 | : FRAME_CONFIG_SCROLL_BAR_WIDTH (WINDOW_XFRAME (w))) |
706 | ||
707 | /* Width that a scroll bar in window W should have, if there is one. | |
708 | Measured in columns (characters). If scroll bars are turned off, | |
709 | this is still nonzero. */ | |
710 | ||
711 | #define WINDOW_CONFIG_SCROLL_BAR_COLS(w) \ | |
d3d50620 DA |
712 | (INTEGERP (w->scroll_bar_width) \ |
713 | ? ((XFASTINT (w->scroll_bar_width) \ | |
6000501b KS |
714 | + WINDOW_FRAME_COLUMN_WIDTH (w) - 1) \ |
715 | / WINDOW_FRAME_COLUMN_WIDTH (w)) \ | |
716 | : FRAME_CONFIG_SCROLL_BAR_COLS (WINDOW_XFRAME (w))) | |
717 | ||
718 | /* Width of a scroll bar in window W, measured in columns (characters), | |
719 | but only if scroll bars are on the left. If scroll bars are on | |
720 | the right in this frame, or there are no scroll bars, value is 0. */ | |
721 | ||
722 | #define WINDOW_LEFT_SCROLL_BAR_COLS(w) \ | |
d3d50620 | 723 | (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w) \ |
6000501b KS |
724 | ? (WINDOW_CONFIG_SCROLL_BAR_COLS (w)) \ |
725 | : 0) | |
726 | ||
727 | /* Width of a left scroll bar area in window W , measured in pixels. */ | |
728 | ||
d3d50620 DA |
729 | #define WINDOW_LEFT_SCROLL_BAR_AREA_WIDTH(w) \ |
730 | (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w) \ | |
6000501b KS |
731 | ? (WINDOW_CONFIG_SCROLL_BAR_COLS (w) * WINDOW_FRAME_COLUMN_WIDTH (w)) \ |
732 | : 0) | |
733 | ||
734 | /* Width of a scroll bar in window W, measured in columns (characters), | |
735 | but only if scroll bars are on the right. If scroll bars are on | |
736 | the left in this frame, or there are no scroll bars, value is 0. */ | |
737 | ||
738 | #define WINDOW_RIGHT_SCROLL_BAR_COLS(w) \ | |
d3d50620 | 739 | (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w) \ |
6000501b KS |
740 | ? WINDOW_CONFIG_SCROLL_BAR_COLS (w) \ |
741 | : 0) | |
742 | ||
743 | /* Width of a left scroll bar area in window W , measured in pixels. */ | |
744 | ||
745 | #define WINDOW_RIGHT_SCROLL_BAR_AREA_WIDTH(w) \ | |
746 | (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w) \ | |
747 | ? (WINDOW_CONFIG_SCROLL_BAR_COLS (w) * WINDOW_FRAME_COLUMN_WIDTH (w)) \ | |
748 | : 0) | |
749 | ||
750 | ||
751 | /* Actual width of a scroll bar in window W, measured in columns. */ | |
752 | ||
753 | #define WINDOW_SCROLL_BAR_COLS(w) \ | |
754 | (WINDOW_HAS_VERTICAL_SCROLL_BAR (w) \ | |
755 | ? WINDOW_CONFIG_SCROLL_BAR_COLS (w) \ | |
756 | : 0) | |
757 | ||
758 | /* Width of a left scroll bar area in window W , measured in pixels. */ | |
759 | ||
760 | #define WINDOW_SCROLL_BAR_AREA_WIDTH(w) \ | |
d3d50620 | 761 | (WINDOW_HAS_VERTICAL_SCROLL_BAR (w) \ |
6000501b KS |
762 | ? (WINDOW_CONFIG_SCROLL_BAR_COLS (w) * WINDOW_FRAME_COLUMN_WIDTH (w)) \ |
763 | : 0) | |
764 | ||
765 | ||
766 | /* Return the frame position where the scroll bar of window W starts. */ | |
767 | ||
768 | #define WINDOW_SCROLL_BAR_AREA_X(W) \ | |
769 | (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (W) \ | |
770 | ? WINDOW_BOX_RIGHT_EDGE_X (W) \ | |
771 | : WINDOW_LEFT_EDGE_X (W)) | |
772 | ||
773 | ||
01aa0b2e RS |
774 | /* Height in pixels, and in lines, of the mode line. |
775 | May be zero if W doesn't have a mode line. */ | |
6000501b KS |
776 | |
777 | #define WINDOW_MODE_LINE_HEIGHT(W) \ | |
778 | (WINDOW_WANTS_MODELINE_P ((W)) \ | |
779 | ? CURRENT_MODE_LINE_HEIGHT (W) \ | |
780 | : 0) | |
781 | ||
d3d50620 | 782 | #define WINDOW_MODE_LINE_LINES(W) \ |
01aa0b2e RS |
783 | (!! WINDOW_WANTS_MODELINE_P ((W))) |
784 | ||
785 | /* Height in pixels, and in lines, of the header line. | |
786 | Zero if W doesn't have a header line. */ | |
6000501b KS |
787 | |
788 | #define WINDOW_HEADER_LINE_HEIGHT(W) \ | |
789 | (WINDOW_WANTS_HEADER_LINE_P ((W)) \ | |
790 | ? CURRENT_HEADER_LINE_HEIGHT (W) \ | |
791 | : 0) | |
792 | ||
d3d50620 | 793 | #define WINDOW_HEADER_LINE_LINES(W) \ |
01aa0b2e RS |
794 | (!! WINDOW_WANTS_HEADER_LINE_P ((W))) |
795 | ||
6000501b KS |
796 | /* Pixel height of window W without mode line. */ |
797 | ||
798 | #define WINDOW_BOX_HEIGHT_NO_MODE_LINE(W) \ | |
799 | (WINDOW_TOTAL_HEIGHT ((W)) \ | |
800 | - WINDOW_MODE_LINE_HEIGHT ((W))) | |
801 | ||
802 | /* Pixel height of window W without mode and header line. */ | |
803 | ||
d3d50620 DA |
804 | #define WINDOW_BOX_TEXT_HEIGHT(W) \ |
805 | (WINDOW_TOTAL_HEIGHT ((W)) \ | |
806 | - WINDOW_MODE_LINE_HEIGHT ((W)) \ | |
6000501b KS |
807 | - WINDOW_HEADER_LINE_HEIGHT ((W))) |
808 | ||
809 | ||
810 | /* Convert window W relative pixel X to frame pixel coordinates. */ | |
811 | ||
d3d50620 | 812 | #define WINDOW_TO_FRAME_PIXEL_X(W, X) \ |
6000501b KS |
813 | ((X) + WINDOW_BOX_LEFT_EDGE_X ((W))) |
814 | ||
815 | /* Convert window W relative pixel Y to frame pixel coordinates. */ | |
816 | ||
d3d50620 | 817 | #define WINDOW_TO_FRAME_PIXEL_Y(W, Y) \ |
6000501b KS |
818 | ((Y) + WINDOW_TOP_EDGE_Y ((W))) |
819 | ||
820 | /* Convert frame relative pixel X to window relative pixel X. */ | |
821 | ||
d3d50620 | 822 | #define FRAME_TO_WINDOW_PIXEL_X(W, X) \ |
6000501b KS |
823 | ((X) - WINDOW_BOX_LEFT_EDGE_X ((W))) |
824 | ||
825 | /* Convert frame relative pixel Y to window relative pixel Y. */ | |
826 | ||
d3d50620 | 827 | #define FRAME_TO_WINDOW_PIXEL_Y(W, Y) \ |
6000501b KS |
828 | ((Y) - WINDOW_TOP_EDGE_Y ((W))) |
829 | ||
830 | /* Convert a text area relative x-position in window W to frame X | |
831 | pixel coordinates. */ | |
177c0ea7 | 832 | |
d3d50620 | 833 | #define WINDOW_TEXT_TO_FRAME_PIXEL_X(W, X) \ |
6000501b | 834 | (window_box_left ((W), TEXT_AREA) + (X)) |
f43dd834 | 835 | |
83b2229f JB |
836 | /* This is the window in which the terminal's cursor should |
837 | be left when nothing is being done with it. This must | |
838 | always be a leaf window, and its buffer is selected by | |
839 | the top level editing loop at the end of each command. | |
840 | ||
841 | This value is always the same as | |
44fa5b1e | 842 | FRAME_SELECTED_WINDOW (selected_frame). */ |
83b2229f JB |
843 | |
844 | extern Lisp_Object selected_window; | |
845 | ||
846 | /* This is a time stamp for window selection, so we can find the least | |
847 | recently used window. Its only users are Fselect_window, | |
44fa5b1e | 848 | init_window_once, and make_frame. */ |
83b2229f JB |
849 | |
850 | extern int window_select_count; | |
851 | ||
44fa5b1e | 852 | /* The minibuffer window of the selected frame. |
83b2229f | 853 | Note that you cannot test for minibufferness of an arbitrary window |
fbfed6f0 | 854 | by comparing against this; use the MINI_WINDOW_P macro instead. */ |
83b2229f JB |
855 | |
856 | extern Lisp_Object minibuf_window; | |
857 | ||
76e316e0 KS |
858 | /* Non-nil means it is the window whose mode line should be |
859 | shown as the selected window when the minibuffer is selected. */ | |
860 | ||
5705966b | 861 | extern Lisp_Object minibuf_selected_window; |
76e316e0 | 862 | |
83b2229f | 863 | /* Window that the mouse is over (nil if no mouse support). */ |
f43dd834 | 864 | |
83b2229f JB |
865 | extern Lisp_Object Vmouse_window; |
866 | ||
867 | /* Last mouse-click event (nil if no mouse support). */ | |
f43dd834 | 868 | |
83b2229f JB |
869 | extern Lisp_Object Vmouse_event; |
870 | ||
383e0970 | 871 | extern Lisp_Object make_window (void); |
383e0970 | 872 | extern Lisp_Object window_from_coordinates (struct frame *, int, int, |
748fa866 DA |
873 | enum window_part *, bool); |
874 | extern void resize_frame_windows (struct frame *, int, bool); | |
be7f5545 | 875 | extern void delete_all_child_windows (Lisp_Object); |
748fa866 | 876 | extern void freeze_window_starts (struct frame *, bool); |
383e0970 J |
877 | extern void grow_mini_window (struct window *, int); |
878 | extern void shrink_mini_window (struct window *); | |
9173a8fb | 879 | extern int window_relative_x_coord (struct window *, enum window_part, int); |
57209cba | 880 | |
ef264c42 | 881 | void run_window_configuration_change_hook (struct frame *f); |
83b2229f | 882 | |
f43dd834 GM |
883 | /* Make WINDOW display BUFFER as its contents. RUN_HOOKS_P non-zero |
884 | means it's allowed to run hooks. See make_frame for a case where | |
885 | it's not allowed. */ | |
886 | ||
383e0970 | 887 | void set_window_buffer (Lisp_Object window, Lisp_Object buffer, |
748fa866 | 888 | bool run_hooks_p, bool keep_margins_p); |
f43dd834 | 889 | |
f43dd834 GM |
890 | /* This is the window where the echo area message was displayed. It |
891 | is always a minibuffer window, but it may not be the same window | |
892 | currently active as a minibuffer. */ | |
893 | ||
c0acc112 RS |
894 | extern Lisp_Object echo_area_window; |
895 | ||
83b2229f | 896 | /* Depth in recursive edits. */ |
f43dd834 | 897 | |
62f19c19 | 898 | extern EMACS_INT command_loop_level; |
83b2229f JB |
899 | |
900 | /* Depth in minibuffer invocations. */ | |
f43dd834 | 901 | |
62f19c19 | 902 | extern EMACS_INT minibuf_level; |
83b2229f | 903 | |
e0f24100 | 904 | /* true if we should redraw the mode lines on the next redisplay. */ |
f43dd834 | 905 | |
83b2229f JB |
906 | extern int update_mode_lines; |
907 | ||
f43dd834 | 908 | /* Nonzero if window sizes or contents have changed since last |
1e101a4b | 909 | redisplay that finished. */ |
f43dd834 | 910 | |
83b2229f JB |
911 | extern int windows_or_buffers_changed; |
912 | ||
d1a0ea0a RS |
913 | /* Nonzero means a frame's cursor type has been changed. */ |
914 | ||
915 | extern int cursor_type_changed; | |
916 | ||
fbfed6f0 JB |
917 | /* If *ROWS or *COLS are too small a size for FRAME, set them to the |
918 | minimum allowable size. */ | |
f43dd834 | 919 | |
383e0970 | 920 | extern void check_frame_size (struct frame *frame, int *rows, int *cols); |
f43dd834 GM |
921 | |
922 | /* Return a pointer to the glyph W's physical cursor is on. Value is | |
c80e3b4a | 923 | null if W's current matrix is invalid, so that no meaningful glyph |
f43dd834 GM |
924 | can be returned. */ |
925 | ||
383e0970 | 926 | struct glyph *get_phys_cursor_glyph (struct window *w); |
f43dd834 | 927 | |
52162052 MR |
928 | /* Value is non-zero if WINDOW is a valid window. */ |
929 | #define WINDOW_VALID_P(WINDOW) \ | |
930 | (WINDOWP (WINDOW) \ | |
931 | && (!NILP (XWINDOW (WINDOW)->buffer) \ | |
932 | || !NILP (XWINDOW (WINDOW)->vchild) \ | |
933 | || !NILP (XWINDOW (WINDOW)->hchild))) | |
934 | ||
b9e9df47 DA |
935 | /* A window of any sort, leaf or interior, is "valid" if one |
936 | of its buffer, vchild, or hchild members is non-nil. */ | |
937 | #define CHECK_VALID_WINDOW(WINDOW) \ | |
938 | CHECK_TYPE (WINDOW_VALID_P (WINDOW), Qwindow_valid_p, WINDOW) | |
91523be9 | 939 | |
52162052 | 940 | /* Value is non-zero if WINDOW is a live window. */ |
077288cf | 941 | #define WINDOW_LIVE_P(WINDOW) \ |
d3d50620 | 942 | (WINDOWP (WINDOW) && !NILP (XWINDOW (WINDOW)->buffer)) |
9a274fbd | 943 | |
b9e9df47 DA |
944 | /* A window is "live" if and only if it shows a buffer. */ |
945 | #define CHECK_LIVE_WINDOW(WINDOW) \ | |
946 | CHECK_TYPE (WINDOW_LIVE_P (WINDOW), Qwindow_live_p, WINDOW) | |
947 | ||
9a274fbd SM |
948 | /* These used to be in lisp.h. */ |
949 | ||
950 | extern Lisp_Object Qwindowp, Qwindow_live_p; | |
951 | extern Lisp_Object Vwindow_list; | |
952 | ||
52162052 | 953 | extern struct window *decode_live_window (Lisp_Object); |
b9e9df47 | 954 | extern struct window *decode_any_window (Lisp_Object); |
f75d7a91 | 955 | extern bool compare_window_configurations (Lisp_Object, Lisp_Object, bool); |
383e0970 J |
956 | extern void mark_window_cursors_off (struct window *); |
957 | extern int window_internal_height (struct window *); | |
496e208e | 958 | extern int window_body_cols (struct window *w); |
383e0970 | 959 | extern void temp_output_buffer_show (Lisp_Object); |
b6e3633c | 960 | extern void replace_buffer_in_windows (Lisp_Object); |
9397e56f | 961 | extern void replace_buffer_in_windows_safely (Lisp_Object); |
98a07056 DA |
962 | /* This looks like a setter, but it is a bit special. */ |
963 | extern void wset_buffer (struct window *, Lisp_Object); | |
383e0970 J |
964 | extern void init_window_once (void); |
965 | extern void init_window (void); | |
966 | extern void syms_of_window (void); | |
967 | extern void keys_of_window (void); | |
968 | ||
e8c17b81 PE |
969 | INLINE_HEADER_END |
970 | ||
f43dd834 | 971 | #endif /* not WINDOW_H_INCLUDED */ |