]> code.delx.au - gnu-emacs/blob - src/frame.h
Merge from origin/emacs-24
[gnu-emacs] / src / frame.h
1 /* Define frame-object for GNU Emacs.
2 Copyright (C) 1993-1994, 1999-2015 Free Software Foundation, Inc.
3
4 This file is part of GNU Emacs.
5
6 GNU Emacs is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
10
11 GNU Emacs is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
18
19 /* Don't multiply include: dispextern.h includes macterm.h which
20 includes frame.h some emacs source includes both dispextern.h and
21 frame.h. */
22
23 #ifndef EMACS_FRAME_H
24 #define EMACS_FRAME_H
25
26 #include "dispextern.h"
27 #include "termhooks.h"
28 #include "window.h"
29
30 INLINE_HEADER_BEGIN
31
32 enum vertical_scroll_bar_type
33 {
34 vertical_scroll_bar_none,
35 vertical_scroll_bar_left,
36 vertical_scroll_bar_right
37 };
38
39 #ifdef HAVE_WINDOW_SYSTEM
40
41 enum fullscreen_type
42 {
43 FULLSCREEN_NONE,
44 FULLSCREEN_WIDTH = 0x1,
45 FULLSCREEN_HEIGHT = 0x2,
46 FULLSCREEN_BOTH = 0x3, /* Not a typo but means "width and height". */
47 FULLSCREEN_MAXIMIZED = 0x4,
48 #ifdef HAVE_NTGUI
49 FULLSCREEN_WAIT = 0x8
50 #endif
51 };
52
53 #endif /* HAVE_WINDOW_SYSTEM */
54
55 /* The structure representing a frame. */
56
57 struct frame
58 {
59 struct vectorlike_header header;
60
61 /* All Lisp_Object components must come first.
62 That ensures they are all aligned normally. */
63
64 /* Name of this frame: a Lisp string. It is used for looking up resources,
65 as well as for the title in some cases. */
66 Lisp_Object name;
67
68 /* The name to use for the icon, the last time
69 it was refreshed. nil means not explicitly specified. */
70 Lisp_Object icon_name;
71
72 /* This is the frame title specified explicitly, if any.
73 Usually it is nil. */
74 Lisp_Object title;
75
76 /* The frame which should receive keystrokes that occur in this
77 frame, or nil if they should go to the frame itself. This is
78 usually nil, but if the frame is minibufferless, we can use this
79 to redirect keystrokes to a surrogate minibuffer frame when
80 needed.
81
82 Note that a value of nil is different than having the field point
83 to the frame itself. Whenever the Fselect_frame function is used
84 to shift from one frame to the other, any redirections to the
85 original frame are shifted to the newly selected frame; if
86 focus_frame is nil, Fselect_frame will leave it alone. */
87 Lisp_Object focus_frame;
88
89 /* This frame's root window. Every frame has one.
90 If the frame has only a minibuffer window, this is it.
91 Otherwise, if the frame has a minibuffer window, this is its sibling. */
92 Lisp_Object root_window;
93
94 /* This frame's selected window.
95 Each frame has its own window hierarchy
96 and one of the windows in it is selected within the frame.
97 The selected window of the selected frame is Emacs's selected window. */
98 Lisp_Object selected_window;
99
100 /* This frame's minibuffer window.
101 Most frames have their own minibuffer windows,
102 but only the selected frame's minibuffer window
103 can actually appear to exist. */
104 Lisp_Object minibuffer_window;
105
106 /* Parameter alist of this frame.
107 These are the parameters specified when creating the frame
108 or modified with modify-frame-parameters. */
109 Lisp_Object param_alist;
110
111 /* List of scroll bars on this frame.
112 Actually, we don't specify exactly what is stored here at all; the
113 scroll bar implementation code can use it to store anything it likes.
114 This field is marked by the garbage collector. It is here
115 instead of in the `device' structure so that the garbage
116 collector doesn't need to look inside the window-system-dependent
117 structure. */
118 Lisp_Object scroll_bars;
119 Lisp_Object condemned_scroll_bars;
120
121 /* Vector describing the items to display in the menu bar.
122 Each item has four elements in this vector.
123 They are KEY, STRING, SUBMAP, and HPOS.
124 (HPOS is not used in when the X toolkit is in use.)
125 There are four additional elements of nil at the end, to terminate. */
126 Lisp_Object menu_bar_items;
127
128 /* Alist of elements (FACE-NAME . FACE-VECTOR-DATA). */
129 Lisp_Object face_alist;
130
131 /* A vector that records the entire structure of this frame's menu bar.
132 For the format of the data, see extensive comments in xmenu.c.
133 Only the X toolkit version uses this. */
134 Lisp_Object menu_bar_vector;
135
136 /* Predicate for selecting buffers for other-buffer. */
137 Lisp_Object buffer_predicate;
138
139 /* List of buffers viewed in this frame, for other-buffer. */
140 Lisp_Object buffer_list;
141
142 /* List of buffers that were viewed, then buried in this frame. The
143 most recently buried buffer is first. For last-buffer. */
144 Lisp_Object buried_buffer_list;
145
146 #if defined (HAVE_X_WINDOWS) && ! defined (USE_X_TOOLKIT) && ! defined (USE_GTK)
147 /* A dummy window used to display menu bars under X when no X
148 toolkit support is available. */
149 Lisp_Object menu_bar_window;
150 #endif
151
152 #if defined (HAVE_WINDOW_SYSTEM) && ! defined (USE_GTK) && ! defined (HAVE_NS)
153 /* A window used to display the tool-bar of a frame. */
154 Lisp_Object tool_bar_window;
155
156 /* Desired and current contents displayed in that window. */
157 Lisp_Object desired_tool_bar_string;
158 Lisp_Object current_tool_bar_string;
159 #endif
160
161 /* Desired and current tool-bar items. */
162 Lisp_Object tool_bar_items;
163
164 #ifdef USE_GTK
165 /* Where tool bar is, can be left, right, top or bottom.
166 Except with GTK, the only supported position is `top'. */
167 Lisp_Object tool_bar_position;
168 #endif
169
170 #if defined (HAVE_XFT) || defined (HAVE_FREETYPE)
171 /* List of data specific to font-driver and frame, but common to faces. */
172 Lisp_Object font_data;
173 #endif
174
175 /* Beyond here, there should be no more Lisp_Object components. */
176
177 /* Cache of realized faces. */
178 struct face_cache *face_cache;
179
180 #if defined (HAVE_WINDOW_SYSTEM) && ! defined (USE_GTK) && ! defined (HAVE_NS)
181 /* Tool-bar item index of the item on which a mouse button was pressed. */
182 int last_tool_bar_item;
183 #endif
184
185 /* Number of elements in `menu_bar_vector' that have meaningful data. */
186 int menu_bar_items_used;
187
188 #if defined (USE_X_TOOLKIT) || defined (HAVE_NTGUI)
189 /* A buffer to hold the frame's name. Since this is used by the
190 window system toolkit, we can't use the Lisp string's pointer
191 (`name', above) because it might get relocated. */
192 char *namebuf;
193 #endif
194
195 #ifdef USE_X_TOOLKIT
196 /* Used to pass geometry parameters to toolkit functions. */
197 char *shell_position;
198 #endif
199
200 /* Glyph pool and matrix. */
201 struct glyph_pool *current_pool;
202 struct glyph_pool *desired_pool;
203 struct glyph_matrix *desired_matrix;
204 struct glyph_matrix *current_matrix;
205
206 /* Bitfield area begins here. Keep them together to avoid extra padding. */
207
208 /* True means that glyphs on this frame have been initialized so it can
209 be used for output. */
210 bool_bf glyphs_initialized_p : 1;
211
212 /* Set to true in change_frame_size when size of frame changed
213 Clear the frame in clear_garbaged_frames if set. */
214 bool_bf resized_p : 1;
215
216 /* Set to true if the default face for the frame has been
217 realized. Reset to zero whenever the default face changes.
218 Used to see the difference between a font change and face change. */
219 bool_bf default_face_done_p : 1;
220
221 /* Set to true if this frame has already been hscrolled during
222 current redisplay. */
223 bool_bf already_hscrolled_p : 1;
224
225 /* Set to true when current redisplay has updated frame. */
226 bool_bf updated_p : 1;
227
228 #if defined (HAVE_WINDOW_SYSTEM) && ! defined (USE_GTK) && ! defined (HAVE_NS)
229 /* Set to true to minimize tool-bar height even when
230 auto-resize-tool-bar is set to grow-only. */
231 bool_bf minimize_tool_bar_window_p : 1;
232 #endif
233
234 #if defined (USE_GTK) || defined (HAVE_NS)
235 /* True means using a tool bar that comes from the toolkit. */
236 bool_bf external_tool_bar : 1;
237 #endif
238
239 /* True means that fonts have been loaded since the last glyph
240 matrix adjustments. */
241 bool_bf fonts_changed : 1;
242
243 /* True means that cursor type has been changed. */
244 bool_bf cursor_type_changed : 1;
245
246 /* True if it needs to be redisplayed. */
247 bool_bf redisplay : 1;
248
249 #if defined (USE_X_TOOLKIT) || defined (HAVE_NTGUI) \
250 || defined (HAVE_NS) || defined (USE_GTK)
251 /* True means using a menu bar that comes from the X toolkit. */
252 bool_bf external_menu_bar : 1;
253 #endif
254
255 /* Next two bitfields are mutually exclusive. They might both be
256 zero if the frame has been made invisible without an icon. */
257
258 /* Nonzero if the frame is currently displayed; we check
259 it to see if we should bother updating the frame's contents.
260
261 On ttys and on Windows NT/9X, to avoid wasting effort updating
262 visible frames that are actually completely obscured by other
263 windows on the display, we bend the meaning of visible slightly:
264 if equal to 2, then the frame is obscured - we still consider
265 it to be "visible" as seen from lisp, but we don't bother
266 updating it. */
267 unsigned visible : 2;
268
269 /* True if the frame is currently iconified. Do not
270 set this directly, use SET_FRAME_ICONIFIED instead. */
271 bool_bf iconified : 1;
272
273 /* True if this frame should be fully redisplayed. Disables all
274 optimizations while rebuilding matrices and redrawing. */
275 bool_bf garbaged : 1;
276
277 /* False means, if this frame has just one window,
278 show no modeline for that window. */
279 bool_bf wants_modeline : 1;
280
281 /* True means raise this frame to the top of the heap when selected. */
282 bool_bf auto_raise : 1;
283
284 /* True means lower this frame to the bottom of the stack when left. */
285 bool_bf auto_lower : 1;
286
287 /* True if frame's root window can't be split. */
288 bool_bf no_split : 1;
289
290 /* If this is set, then Emacs won't change the frame name to indicate
291 the current buffer, etcetera. If the user explicitly sets the frame
292 name, this gets set. If the user sets the name to Qnil, this is
293 cleared. */
294 bool_bf explicit_name : 1;
295
296 /* True if size of some window on this frame has changed. */
297 bool_bf window_sizes_changed : 1;
298
299 /* True if the mouse has moved on this display device
300 since the last time we checked. */
301 bool_bf mouse_moved : 1;
302
303 /* True means that the pointer is invisible. */
304 bool_bf pointer_invisible : 1;
305
306 /* True means that all windows except mini-window and
307 selected window on this frame have frozen window starts. */
308 bool_bf frozen_window_starts : 1;
309
310 /* The output method says how the contents of this frame are
311 displayed. It could be using termcap, or using an X window.
312 This must be the same as the terminal->type. */
313 ENUM_BF (output_method) output_method : 3;
314
315 #ifdef HAVE_WINDOW_SYSTEM
316 /* See FULLSCREEN_ enum on top. */
317 ENUM_BF (fullscreen_type) want_fullscreen : 4;
318
319 /* If not vertical_scroll_bar_none, we should actually
320 display the scroll bars of this type on this frame. */
321 ENUM_BF (vertical_scroll_bar_type) vertical_scroll_bar_type : 2;
322
323 /* Nonzero if we should actually display horizontal scroll bars on this frame. */
324 bool_bf horizontal_scroll_bars : 1;
325 #endif /* HAVE_WINDOW_SYSTEM */
326
327 /* Whether new_height and new_width shall be interpreted
328 in pixels. */
329 bool_bf new_pixelwise : 1;
330
331 /* True means x_set_window_size requests can be processed for this
332 frame. */
333 bool_bf can_x_set_window_size : 1;
334
335 /* True means run_window_configuration_change_hook can be processed
336 for this frame. */
337 bool_bf can_run_window_configuration_change_hook : 1;
338
339 /* True means tool bar has been redisplayed at least once in current
340 session. */
341 bool_bf tool_bar_redisplayed_once : 1;
342
343 /* Bitfield area ends here. */
344
345 /* Number of lines (rounded up) of tool bar. REMOVE THIS */
346 int tool_bar_lines;
347
348 /* Height of frame internal tool bar in pixels. */
349 int tool_bar_height;
350
351 int n_tool_bar_rows;
352 int n_tool_bar_items;
353
354 /* A buffer for decode_mode_line. */
355 char *decode_mode_spec_buffer;
356
357 /* See do_line_insertion_deletion_costs for info on these arrays. */
358 /* Cost of inserting 1 line on this frame. */
359 int *insert_line_cost;
360 /* Cost of deleting 1 line on this frame. */
361 int *delete_line_cost;
362 /* Cost of inserting n lines on this frame. */
363 int *insert_n_lines_cost;
364 /* Cost of deleting n lines on this frame. */
365 int *delete_n_lines_cost;
366
367 /* Text width of this frame (excluding fringes, vertical scroll bar
368 and internal border widths) and text height (excluding menu bar,
369 tool bar, horizontal scroll bar and internal border widths) in
370 units of canonical characters. */
371 int text_cols, text_lines;
372
373 /* Total width of this frame (including fringes, vertical scroll bar
374 and internal border widths) and total height (including menu bar,
375 tool bar, horizontal scroll bar and internal border widths) in
376 units of canonical characters. */
377 int total_cols, total_lines;
378
379 /* Text width of this frame (excluding fringes, vertical scroll bar
380 and internal border widths) and text height (excluding menu bar,
381 tool bar, horizontal scroll bar and internal border widths) in
382 pixels. */
383 int text_width, text_height;
384
385 /* New text height and width for pending size change. 0 if no change
386 pending. These values represent pixels or canonical character units
387 according to the value of new_pixelwise and correlate to the the
388 text width/height of the frame. */
389 int new_width, new_height;
390
391 /* Pixel position of the frame window (x and y offsets in root window). */
392 int left_pos, top_pos;
393
394 /* Total width of this frame (including fringes, vertical scroll bar
395 and internal border widths) and total height (including menu bar,
396 tool bar, horizontal scroll bar and internal border widths) in
397 pixels. */
398 int pixel_width, pixel_height;
399
400 /* These many pixels are the difference between the outer window (i.e. the
401 left and top of the window manager decoration) and FRAME_X_WINDOW. */
402 int x_pixels_diff, y_pixels_diff;
403
404 /* This is the gravity value for the specified window position. */
405 int win_gravity;
406
407 /* The geometry flags for this window. */
408 int size_hint_flags;
409
410 /* Border width of the frame window as known by the (X) window system. */
411 int border_width;
412
413 /* Width of the internal border. This is a line of background color
414 just inside the window's border. When the frame is selected,
415 a highlighting is displayed inside the internal border. */
416 int internal_border_width;
417
418 /* Widths of dividers between this frame's windows in pixels. */
419 int right_divider_width, bottom_divider_width;
420
421 /* Widths of fringes in pixels. */
422 int left_fringe_width, right_fringe_width;
423
424 /* Total width of fringes reserved for drawing truncation bitmaps,
425 continuation bitmaps and alike - REMOVE THIS !!!!. */
426 int fringe_cols;
427
428 /* Number of lines of menu bar. */
429 int menu_bar_lines;
430
431 /* Pixel height of menubar. */
432 int menu_bar_height;
433
434 /* Canonical X unit. Width of default font, in pixels. */
435 int column_width;
436
437 /* Canonical Y unit. Height of a line, in pixels. */
438 int line_height;
439
440 /* The terminal device that this frame uses. If this is NULL, then
441 the frame has been deleted. */
442 struct terminal *terminal;
443
444 /* Device-dependent, frame-local auxiliary data used for displaying
445 the contents. When the frame is deleted, this data is deleted as
446 well. */
447 union output_data
448 {
449 struct tty_output *tty; /* From termchar.h. */
450 struct x_output *x; /* From xterm.h. */
451 struct w32_output *w32; /* From w32term.h. */
452 struct ns_output *ns; /* From nsterm.h. */
453 intptr_t nothing;
454 }
455 output_data;
456
457 /* List of font-drivers available on the frame. */
458 struct font_driver_list *font_driver_list;
459
460 #if defined (HAVE_X_WINDOWS)
461 /* Used by x_wait_for_event when watching for an X event on this frame. */
462 int wait_event_type;
463 #endif
464
465 /* What kind of text cursor should we draw in the future?
466 This should always be filled_box_cursor or bar_cursor. */
467 enum text_cursor_kinds desired_cursor;
468
469 /* Width of bar cursor (if we are using that). */
470 int cursor_width;
471
472 /* What kind of text cursor should we draw when the cursor blinks off?
473 This can be filled_box_cursor or bar_cursor or no_cursor. */
474 enum text_cursor_kinds blink_off_cursor;
475
476 /* Width of bar cursor (if we are using that) for blink-off state. */
477 int blink_off_cursor_width;
478
479 /* Configured width of the scroll bar, in pixels and in characters.
480 config_scroll_bar_cols tracks config_scroll_bar_width if the
481 latter is positive; a zero value in config_scroll_bar_width means
482 to compute the actual width on the fly, using config_scroll_bar_cols
483 and the current font width. */
484 int config_scroll_bar_width;
485 int config_scroll_bar_cols;
486
487 /* Configured height of the scroll bar, in pixels and in characters.
488 config_scroll_bar_lines tracks config_scroll_bar_height if the
489 latter is positive; a zero value in config_scroll_bar_height means
490 to compute the actual width on the fly, using
491 config_scroll_bar_lines and the current font width. */
492 int config_scroll_bar_height;
493 int config_scroll_bar_lines;
494
495 /* The baud rate that was used to calculate costs for this frame. */
496 int cost_calculation_baud_rate;
497
498 /* Frame opacity
499 alpha[0]: alpha transparency of the active frame
500 alpha[1]: alpha transparency of inactive frames
501 Negative values mean not to change alpha. */
502 double alpha[2];
503
504 /* Exponent for gamma correction of colors. 1/(VIEWING_GAMMA *
505 SCREEN_GAMMA) where viewing_gamma is 0.4545 and SCREEN_GAMMA is a
506 frame parameter. 0 means don't do gamma correction. */
507 double gamma;
508
509 /* Additional space to put between text lines on this frame. */
510 int extra_line_spacing;
511
512 /* All display backends seem to need these two pixel values. */
513 unsigned long background_pixel;
514 unsigned long foreground_pixel;
515 };
516
517 /* Most code should use these functions to set Lisp fields in struct frame. */
518
519 INLINE void
520 fset_buffer_list (struct frame *f, Lisp_Object val)
521 {
522 f->buffer_list = val;
523 }
524 INLINE void
525 fset_buried_buffer_list (struct frame *f, Lisp_Object val)
526 {
527 f->buried_buffer_list = val;
528 }
529 INLINE void
530 fset_condemned_scroll_bars (struct frame *f, Lisp_Object val)
531 {
532 f->condemned_scroll_bars = val;
533 }
534 INLINE void
535 fset_face_alist (struct frame *f, Lisp_Object val)
536 {
537 f->face_alist = val;
538 }
539 INLINE void
540 fset_focus_frame (struct frame *f, Lisp_Object val)
541 {
542 f->focus_frame = val;
543 }
544 INLINE void
545 fset_icon_name (struct frame *f, Lisp_Object val)
546 {
547 f->icon_name = val;
548 }
549 INLINE void
550 fset_menu_bar_items (struct frame *f, Lisp_Object val)
551 {
552 f->menu_bar_items = val;
553 }
554 INLINE void
555 fset_menu_bar_vector (struct frame *f, Lisp_Object val)
556 {
557 f->menu_bar_vector = val;
558 }
559 #if defined (HAVE_X_WINDOWS) && ! defined (USE_X_TOOLKIT) && ! defined (USE_GTK)
560 INLINE void
561 fset_menu_bar_window (struct frame *f, Lisp_Object val)
562 {
563 f->menu_bar_window = val;
564 }
565 #endif
566 INLINE void
567 fset_name (struct frame *f, Lisp_Object val)
568 {
569 f->name = val;
570 }
571 INLINE void
572 fset_param_alist (struct frame *f, Lisp_Object val)
573 {
574 f->param_alist = val;
575 }
576 INLINE void
577 fset_root_window (struct frame *f, Lisp_Object val)
578 {
579 f->root_window = val;
580 }
581 INLINE void
582 fset_scroll_bars (struct frame *f, Lisp_Object val)
583 {
584 f->scroll_bars = val;
585 }
586 INLINE void
587 fset_selected_window (struct frame *f, Lisp_Object val)
588 {
589 f->selected_window = val;
590 }
591 INLINE void
592 fset_title (struct frame *f, Lisp_Object val)
593 {
594 f->title = val;
595 }
596 INLINE void
597 fset_tool_bar_items (struct frame *f, Lisp_Object val)
598 {
599 f->tool_bar_items = val;
600 }
601 #ifdef USE_GTK
602 INLINE void
603 fset_tool_bar_position (struct frame *f, Lisp_Object val)
604 {
605 f->tool_bar_position = val;
606 }
607 #endif /* USE_GTK */
608 #if defined (HAVE_WINDOW_SYSTEM) && ! defined (USE_GTK) && ! defined (HAVE_NS)
609 INLINE void
610 fset_tool_bar_window (struct frame *f, Lisp_Object val)
611 {
612 f->tool_bar_window = val;
613 }
614 INLINE void
615 fset_current_tool_bar_string (struct frame *f, Lisp_Object val)
616 {
617 f->current_tool_bar_string = val;
618 }
619 INLINE void
620 fset_desired_tool_bar_string (struct frame *f, Lisp_Object val)
621 {
622 f->desired_tool_bar_string = val;
623 }
624 #endif /* HAVE_WINDOW_SYSTEM && !USE_GTK && !HAVE_NS */
625
626 #define NUMVAL(X) ((INTEGERP (X) || FLOATP (X)) ? XFLOATINT (X) : -1)
627
628 INLINE double
629 default_pixels_per_inch_x (void)
630 {
631 Lisp_Object v = (CONSP (Vdisplay_pixels_per_inch)
632 ? XCAR (Vdisplay_pixels_per_inch)
633 : Vdisplay_pixels_per_inch);
634 return NUMVAL (v) > 0 ? NUMVAL (v) : 72.0;
635 }
636
637 INLINE double
638 default_pixels_per_inch_y (void)
639 {
640 Lisp_Object v = (CONSP (Vdisplay_pixels_per_inch)
641 ? XCDR (Vdisplay_pixels_per_inch)
642 : Vdisplay_pixels_per_inch);
643 return NUMVAL (v) > 0 ? NUMVAL (v) : 72.0;
644 }
645
646 #define FRAME_KBOARD(f) ((f)->terminal->kboard)
647
648 /* Return a pointer to the image cache of frame F. */
649 #define FRAME_IMAGE_CACHE(F) ((F)->terminal->image_cache)
650
651 #define XFRAME(p) \
652 (eassert (FRAMEP (p)), (struct frame *) XUNTAG (p, Lisp_Vectorlike))
653 #define XSETFRAME(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_FRAME))
654
655 /* Given a window, return its frame as a Lisp_Object. */
656 #define WINDOW_FRAME(w) ((w)->frame)
657
658 /* Test a frame for particular kinds of display methods. */
659 #define FRAME_INITIAL_P(f) ((f)->output_method == output_initial)
660 #define FRAME_TERMCAP_P(f) ((f)->output_method == output_termcap)
661 #define FRAME_X_P(f) ((f)->output_method == output_x_window)
662 #ifndef HAVE_NTGUI
663 #define FRAME_W32_P(f) false
664 #else
665 #define FRAME_W32_P(f) ((f)->output_method == output_w32)
666 #endif
667 #ifndef MSDOS
668 #define FRAME_MSDOS_P(f) false
669 #else
670 #define FRAME_MSDOS_P(f) ((f)->output_method == output_msdos_raw)
671 #endif
672 #ifndef HAVE_NS
673 #define FRAME_NS_P(f) false
674 #else
675 #define FRAME_NS_P(f) ((f)->output_method == output_ns)
676 #endif
677
678 /* FRAME_WINDOW_P tests whether the frame is a window, and is
679 defined to be the predicate for the window system being used. */
680
681 #ifdef HAVE_X_WINDOWS
682 #define FRAME_WINDOW_P(f) FRAME_X_P (f)
683 #endif
684 #ifdef HAVE_NTGUI
685 #define FRAME_WINDOW_P(f) FRAME_W32_P (f)
686 #endif
687 #ifdef HAVE_NS
688 #define FRAME_WINDOW_P(f) FRAME_NS_P(f)
689 #endif
690 #ifndef FRAME_WINDOW_P
691 #define FRAME_WINDOW_P(f) ((void) (f), false)
692 #endif
693
694 /* Dots per inch of the screen the frame F is on. */
695
696 #ifdef HAVE_WINDOW_SYSTEM
697
698 #define FRAME_RES_X(f) \
699 (eassert (FRAME_WINDOW_P (f)), FRAME_DISPLAY_INFO (f)->resx)
700 #define FRAME_RES_Y(f) \
701 (eassert (FRAME_WINDOW_P (f)), FRAME_DISPLAY_INFO (f)->resy)
702
703 #else /* !HAVE_WINDOW_SYSTEM */
704
705 /* Defaults when no window system available. */
706
707 #define FRAME_RES_X(f) default_pixels_per_inch_x ()
708 #define FRAME_RES_Y(f) default_pixels_per_inch_y ()
709
710 #endif /* HAVE_WINDOW_SYSTEM */
711
712 /* Return a pointer to the structure holding information about the
713 region of text, if any, that is currently shown in mouse-face on
714 frame F. We need to define two versions because a TTY-only build
715 does not have FRAME_DISPLAY_INFO. */
716 #ifdef HAVE_WINDOW_SYSTEM
717 # define MOUSE_HL_INFO(F) \
718 (FRAME_WINDOW_P(F) \
719 ? &FRAME_DISPLAY_INFO(F)->mouse_highlight \
720 : &(F)->output_data.tty->display_info->mouse_highlight)
721 #else
722 # define MOUSE_HL_INFO(F) \
723 (&(F)->output_data.tty->display_info->mouse_highlight)
724 #endif
725
726 /* True if frame F is still alive (not deleted). */
727 #define FRAME_LIVE_P(f) ((f)->terminal != 0)
728
729 /* True if frame F is a minibuffer-only frame. */
730 #define FRAME_MINIBUF_ONLY_P(f) \
731 EQ (FRAME_ROOT_WINDOW (f), FRAME_MINIBUF_WINDOW (f))
732
733 /* True if frame F contains it's own minibuffer window. Frame always has
734 minibuffer window, but it could use minibuffer window of another frame. */
735 #define FRAME_HAS_MINIBUF_P(f) \
736 (WINDOWP (f->minibuffer_window) \
737 && XFRAME (XWINDOW (f->minibuffer_window)->frame) == f)
738
739 /* Pixel width of frame F. */
740 #define FRAME_PIXEL_WIDTH(f) ((f)->pixel_width)
741
742 /* Pixel height of frame F. */
743 #define FRAME_PIXEL_HEIGHT(f) ((f)->pixel_height)
744
745 /* Width of frame F, measured in canonical character columns,
746 not including scroll bars if any. */
747 #define FRAME_COLS(f) (f)->text_cols
748
749 /* Height of frame F, measured in canonical lines, including
750 non-toolkit menu bar and non-toolkit tool bar lines. */
751 #define FRAME_LINES(f) (f)->text_lines
752
753 /* Width of frame F, measured in pixels not including the width for
754 fringes, scroll bar, and internal borders. */
755 #define FRAME_TEXT_WIDTH(f) (f)->text_width
756
757 /* Height of frame F, measured in pixels not including the height
758 for scroll bar and internal borders. */
759 #define FRAME_TEXT_HEIGHT(f) (f)->text_height
760
761 /* Number of lines of frame F used for menu bar.
762 This is relevant on terminal frames and on
763 X Windows when not using the X toolkit.
764 These lines are counted in FRAME_LINES. */
765 #define FRAME_MENU_BAR_LINES(f) (f)->menu_bar_lines
766
767 /* Pixel height of frame F's menu bar. */
768 #define FRAME_MENU_BAR_HEIGHT(f) (f)->menu_bar_height
769
770 /* True if this frame should display a tool bar
771 in a way that does not use any text lines. */
772 #if defined (USE_GTK) || defined (HAVE_NS)
773 #define FRAME_EXTERNAL_TOOL_BAR(f) (f)->external_tool_bar
774 #else
775 #define FRAME_EXTERNAL_TOOL_BAR(f) false
776 #endif
777
778 /* This is really supported only with GTK. */
779 #ifdef USE_GTK
780 #define FRAME_TOOL_BAR_POSITION(f) (f)->tool_bar_position
781 #else
782 #define FRAME_TOOL_BAR_POSITION(f) ((void) f, Qtop)
783 #endif
784
785 /* Number of lines of frame F used for the tool-bar. */
786 #define FRAME_TOOL_BAR_LINES(f) (f)->tool_bar_lines
787
788 /* Pixel height of frame F's tool-bar. */
789 #define FRAME_TOOL_BAR_HEIGHT(f) (f)->tool_bar_height
790
791 /* Lines above the top-most window in frame F. */
792 #define FRAME_TOP_MARGIN(F) \
793 (FRAME_MENU_BAR_LINES (F) + FRAME_TOOL_BAR_LINES (F))
794
795 /* Pixel height of frame F's top margin. */
796 #define FRAME_TOP_MARGIN_HEIGHT(F) \
797 (FRAME_MENU_BAR_HEIGHT (F) + FRAME_TOOL_BAR_HEIGHT (F))
798
799 /* True if this frame should display a menu bar
800 in a way that does not use any text lines. */
801 #if defined (USE_X_TOOLKIT) || defined (HAVE_NTGUI) \
802 || defined (HAVE_NS) || defined (USE_GTK)
803 #define FRAME_EXTERNAL_MENU_BAR(f) (f)->external_menu_bar
804 #else
805 #define FRAME_EXTERNAL_MENU_BAR(f) false
806 #endif
807
808 /* True if frame F is currently visible. */
809 #define FRAME_VISIBLE_P(f) (f)->visible
810
811 /* True if frame F is currently visible but hidden. */
812 #define FRAME_OBSCURED_P(f) ((f)->visible > 1)
813
814 /* True if frame F is currently iconified. */
815 #define FRAME_ICONIFIED_P(f) (f)->iconified
816
817 /* Mark frame F as currently garbaged. */
818 #define SET_FRAME_GARBAGED(f) \
819 (frame_garbaged = true, fset_redisplay (f), f->garbaged = true)
820
821 /* True if frame F is currently garbaged. */
822 #define FRAME_GARBAGED_P(f) (f)->garbaged
823
824 /* True means do not allow splitting this frame's window. */
825 #define FRAME_NO_SPLIT_P(f) (f)->no_split
826
827 /* Not really implemented. */
828 #define FRAME_WANTS_MODELINE_P(f) (f)->wants_modeline
829
830 /* True if all windows except selected window and mini window
831 are frozen on frame F. */
832 #define FRAME_WINDOWS_FROZEN(f) (f)->frozen_window_starts
833
834 /* True if a size change has been requested for frame F
835 but not yet really put into effect. This can be true temporarily
836 when an X event comes in at a bad time. */
837 #define FRAME_WINDOW_SIZES_CHANGED(f) (f)->window_sizes_changed
838
839 /* The minibuffer window of frame F, if it has one; otherwise nil. */
840 #define FRAME_MINIBUF_WINDOW(f) f->minibuffer_window
841
842 /* The root window of the window tree of frame F. */
843 #define FRAME_ROOT_WINDOW(f) f->root_window
844
845 /* The currently selected window of the window tree of frame F. */
846 #define FRAME_SELECTED_WINDOW(f) f->selected_window
847
848 #define FRAME_INSERT_COST(f) (f)->insert_line_cost
849 #define FRAME_DELETE_COST(f) (f)->delete_line_cost
850 #define FRAME_INSERTN_COST(f) (f)->insert_n_lines_cost
851 #define FRAME_DELETEN_COST(f) (f)->delete_n_lines_cost
852 #define FRAME_FOCUS_FRAME(f) f->focus_frame
853
854 #ifdef HAVE_WINDOW_SYSTEM
855
856 /* This frame slot says whether scroll bars are currently enabled for frame F,
857 and which side they are on. */
858 #define FRAME_VERTICAL_SCROLL_BAR_TYPE(f) ((f)->vertical_scroll_bar_type)
859 #define FRAME_HAS_VERTICAL_SCROLL_BARS(f) \
860 ((f)->vertical_scroll_bar_type != vertical_scroll_bar_none)
861 #define FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT(f) \
862 ((f)->vertical_scroll_bar_type == vertical_scroll_bar_left)
863 #define FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT(f) \
864 ((f)->vertical_scroll_bar_type == vertical_scroll_bar_right)
865
866 #else /* not HAVE_WINDOW_SYSTEM */
867
868 /* If there is no window system, there are no scroll bars. */
869 #define FRAME_VERTICAL_SCROLL_BAR_TYPE(f) ((void) f, vertical_scroll_bar_none)
870 #define FRAME_HAS_VERTICAL_SCROLL_BARS(f) ((void) f, 0)
871 #define FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT(f) ((void) f, 0)
872 #define FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT(f) ((void) f, 0)
873
874 #endif /* HAVE_WINDOW_SYSTEM */
875
876 /* Whether horizontal scroll bars are currently enabled for frame F. */
877 #if USE_HORIZONTAL_SCROLL_BARS
878 #define FRAME_HAS_HORIZONTAL_SCROLL_BARS(f) \
879 ((f)->horizontal_scroll_bars)
880 #else
881 #define FRAME_HAS_HORIZONTAL_SCROLL_BARS(f) ((void) f, 0)
882 #endif
883
884 /* Width that a scroll bar in frame F should have, if there is one.
885 Measured in pixels.
886 If scroll bars are turned off, this is still nonzero. */
887 #define FRAME_CONFIG_SCROLL_BAR_WIDTH(f) ((f)->config_scroll_bar_width)
888
889 /* Height that a scroll bar in frame F should have, if there is one.
890 Measured in pixels.
891 If scroll bars are turned off, this is still nonzero. */
892 #define FRAME_CONFIG_SCROLL_BAR_HEIGHT(f) ((f)->config_scroll_bar_height)
893
894 /* Width that a scroll bar in frame F should have, if there is one.
895 Measured in columns (characters).
896 If scroll bars are turned off, this is still nonzero. */
897 #define FRAME_CONFIG_SCROLL_BAR_COLS(f) ((f)->config_scroll_bar_cols)
898
899 /* Height that a scroll bar in frame F should have, if there is one.
900 Measured in lines (characters).
901 If scroll bars are turned off, this is still nonzero. */
902 #define FRAME_CONFIG_SCROLL_BAR_LINES(f) ((f)->config_scroll_bar_lines)
903
904 /* Width of a left scroll bar in frame F, measured in pixels */
905 #define FRAME_LEFT_SCROLL_BAR_AREA_WIDTH(f) \
906 (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f) \
907 ? FRAME_CONFIG_SCROLL_BAR_WIDTH (f) \
908 : 0)
909
910 /* Width of a right scroll bar area in frame F, measured in pixels */
911 #define FRAME_RIGHT_SCROLL_BAR_AREA_WIDTH(f) \
912 (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f) \
913 ? FRAME_CONFIG_SCROLL_BAR_WIDTH (f) \
914 : 0)
915
916 /* Width of a left scroll bar in frame F, measured in columns
917 (characters), but only if scroll bars are on the left. If scroll
918 bars are on the right in this frame, or there are no scroll bars,
919 value is 0. */
920 #define FRAME_LEFT_SCROLL_BAR_COLS(f) \
921 (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f) \
922 ? FRAME_CONFIG_SCROLL_BAR_COLS (f) \
923 : 0)
924
925 /* Width of a right scroll bar in frame F, measured in columns
926 (characters), but only if scroll bars are on the right. If scroll
927 bars are on the left in this frame, or there are no scroll bars,
928 value is 0. */
929 #define FRAME_RIGHT_SCROLL_BAR_COLS(f) \
930 (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f) \
931 ? FRAME_CONFIG_SCROLL_BAR_COLS (f) \
932 : 0)
933
934 /* Width of a vertical scroll bar area in frame F, measured in
935 pixels. */
936 #define FRAME_SCROLL_BAR_AREA_WIDTH(f) \
937 (FRAME_HAS_VERTICAL_SCROLL_BARS (f) \
938 ? FRAME_CONFIG_SCROLL_BAR_WIDTH (f) \
939 : 0)
940
941 /* Height of horizontal scroll bar area in frame F, measured in
942 pixels. */
943 #define FRAME_SCROLL_BAR_AREA_HEIGHT(f) \
944 (FRAME_HAS_HORIZONTAL_SCROLL_BARS (f) \
945 ? FRAME_CONFIG_SCROLL_BAR_HEIGHT (f) \
946 : 0)
947
948 /* Width of vertical scroll bar in frame F, measured in columns. */
949 #define FRAME_SCROLL_BAR_COLS(f) \
950 (FRAME_HAS_VERTICAL_SCROLL_BARS (f) \
951 ? FRAME_CONFIG_SCROLL_BAR_COLS (f) \
952 : 0)
953
954 /* Height of horizontal scroll bar in frame F, measured in lines. */
955 #define FRAME_SCROLL_BAR_LINES(f) \
956 (FRAME_HAS_HORIZONTAL_SCROLL_BARS (f) \
957 ? FRAME_CONFIG_SCROLL_BAR_LINES (f) \
958 : 0)
959
960 /* Total width of frame F, in columns (characters),
961 including the width used by scroll bars if any. */
962 #define FRAME_TOTAL_COLS(f) ((f)->total_cols)
963
964 /* Total height of frame F, in lines (characters),
965 including the height used by scroll bars if any. */
966 #define FRAME_TOTAL_LINES(f) ((f)->total_lines)
967
968 /* Set the character widths of frame F. WIDTH specifies a nominal
969 character text width. */
970 #define SET_FRAME_COLS(f, width) \
971 ((f)->text_cols = (width), \
972 (f)->total_cols = ((width) \
973 + FRAME_SCROLL_BAR_COLS (f) \
974 + FRAME_FRINGE_COLS (f)))
975
976 /* Set the character heights of frame F. HEIGHT specifies a nominal
977 character text height. */
978 #define SET_FRAME_LINES(f, height) \
979 ((f)->text_lines = (height), \
980 (f)->total_lines = ((height) \
981 + FRAME_TOP_MARGIN (f) \
982 + FRAME_SCROLL_BAR_LINES (f)))
983
984 /* Set the widths of frame F. WIDTH specifies a nominal pixel text
985 width. */
986 #define SET_FRAME_WIDTH(f, width) \
987 ((f)->text_width = (width), \
988 (f)->pixel_width = ((width) \
989 + FRAME_SCROLL_BAR_AREA_WIDTH (f) \
990 + FRAME_TOTAL_FRINGE_WIDTH (f) \
991 + 2 * FRAME_INTERNAL_BORDER_WIDTH (f)))
992
993 /* Set the heights of frame F. HEIGHT specifies a nominal pixel text
994 height. */
995 #define SET_FRAME_HEIGHT(f, height) \
996 ((f)->text_height = (height), \
997 (f)->pixel_height = ((height) \
998 + FRAME_TOP_MARGIN_HEIGHT (f) \
999 + FRAME_SCROLL_BAR_AREA_HEIGHT (f) \
1000 + 2 * FRAME_INTERNAL_BORDER_WIDTH (f)))
1001
1002 /* Maximum + 1 legitimate value for FRAME_CURSOR_X. */
1003 #define FRAME_CURSOR_X_LIMIT(f) \
1004 (FRAME_COLS (f) + FRAME_LEFT_SCROLL_BAR_COLS (f))
1005
1006 /* Nonzero if frame F has scroll bars. */
1007 #define FRAME_SCROLL_BARS(f) (f->scroll_bars)
1008 #define FRAME_CONDEMNED_SCROLL_BARS(f) (f->condemned_scroll_bars)
1009
1010 #define FRAME_MENU_BAR_ITEMS(f) (f->menu_bar_items)
1011 #define FRAME_COST_BAUD_RATE(f) ((f)->cost_calculation_baud_rate)
1012
1013 #define FRAME_DESIRED_CURSOR(f) ((f)->desired_cursor)
1014 #define FRAME_BLINK_OFF_CURSOR(f) ((f)->blink_off_cursor)
1015 #define FRAME_CURSOR_WIDTH(f) ((f)->cursor_width)
1016 #define FRAME_BLINK_OFF_CURSOR_WIDTH(f) ((f)->blink_off_cursor_width)
1017
1018 #define FRAME_FOREGROUND_PIXEL(f) ((f)->foreground_pixel)
1019 #define FRAME_BACKGROUND_PIXEL(f) ((f)->background_pixel)
1020
1021 /* Return a pointer to the face cache of frame F. */
1022
1023 #define FRAME_FACE_CACHE(F) (F)->face_cache
1024
1025 /* Return the size of message_buf of the frame F. We multiply the
1026 width of the frame by 4 because multi-byte form may require at most
1027 4-byte for a character. */
1028
1029 #define FRAME_MESSAGE_BUF_SIZE(f) (((int) FRAME_COLS (f)) * 4)
1030
1031 #define CHECK_FRAME(x) \
1032 CHECK_TYPE (FRAMEP (x), Qframep, x)
1033
1034 #define CHECK_LIVE_FRAME(x) \
1035 CHECK_TYPE (FRAMEP (x) && FRAME_LIVE_P (XFRAME (x)), Qframe_live_p, x)
1036
1037 /* FOR_EACH_FRAME (LIST_VAR, FRAME_VAR) followed by a statement is a
1038 `for' loop which iterates over the elements of Vframe_list. The
1039 loop will set FRAME_VAR, a Lisp_Object, to each frame in
1040 Vframe_list in succession and execute the statement. LIST_VAR
1041 should be a Lisp_Object too; it is used to iterate through the
1042 Vframe_list.
1043
1044 This macro is a holdover from a time when multiple frames weren't always
1045 supported. An alternate definition of the macro would expand to
1046 something which executes the statement once. */
1047
1048 #define FOR_EACH_FRAME(list_var, frame_var) \
1049 for ((list_var) = Vframe_list; \
1050 (CONSP (list_var) \
1051 && (frame_var = XCAR (list_var), true)); \
1052 list_var = XCDR (list_var))
1053
1054 /* Reflect mouse movement when a complete frame update is performed. */
1055
1056 #define FRAME_MOUSE_UPDATE(frame) \
1057 do { \
1058 Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (frame); \
1059 if (frame == hlinfo->mouse_face_mouse_frame) \
1060 { \
1061 block_input (); \
1062 note_mouse_highlight (hlinfo->mouse_face_mouse_frame, \
1063 hlinfo->mouse_face_mouse_x, \
1064 hlinfo->mouse_face_mouse_y); \
1065 unblock_input (); \
1066 } \
1067 } while (false)
1068
1069 /* Handy macro to construct an argument to Fmodify_frame_parameters. */
1070
1071 #define AUTO_FRAME_ARG(name, parameter, value) \
1072 AUTO_LIST1 (name, AUTO_CONS_EXPR (parameter, value))
1073
1074 /* False means there are no visible garbaged frames. */
1075 extern bool frame_garbaged;
1076
1077 /* Set visibility of frame F.
1078 We call redisplay_other_windows to make sure the frame gets redisplayed
1079 if some changes were applied to it while it wasn't visible (and hence
1080 wasn't redisplayed). */
1081
1082 INLINE void
1083 SET_FRAME_VISIBLE (struct frame *f, int v)
1084 {
1085 eassert (0 <= v && v <= 2);
1086 if (v)
1087 {
1088 if (v == 1 && f->visible != 1)
1089 redisplay_other_windows ();
1090 if (FRAME_GARBAGED_P (f))
1091 frame_garbaged = true;
1092 }
1093 f->visible = v;
1094 }
1095
1096 /* Set iconify of frame F. */
1097
1098 #define SET_FRAME_ICONIFIED(f, i) \
1099 (f)->iconified = (eassert (0 <= (i) && (i) <= 1), (i))
1100
1101 extern Lisp_Object selected_frame;
1102
1103 extern int frame_default_tool_bar_height;
1104
1105 extern struct frame *decode_window_system_frame (Lisp_Object);
1106 extern struct frame *decode_live_frame (Lisp_Object);
1107 extern struct frame *decode_any_frame (Lisp_Object);
1108 extern struct frame *make_initial_frame (void);
1109 extern struct frame *make_frame (bool);
1110 #ifdef HAVE_WINDOW_SYSTEM
1111 extern struct frame *make_minibuffer_frame (void);
1112 extern struct frame *make_frame_without_minibuffer (Lisp_Object,
1113 struct kboard *,
1114 Lisp_Object);
1115 extern bool window_system_available (struct frame *);
1116 #else /* not HAVE_WINDOW_SYSTEM */
1117 #define window_system_available(f) ((void) (f), false)
1118 #endif /* HAVE_WINDOW_SYSTEM */
1119 extern void check_window_system (struct frame *);
1120 extern void frame_make_pointer_invisible (struct frame *);
1121 extern void frame_make_pointer_visible (struct frame *);
1122 extern Lisp_Object delete_frame (Lisp_Object, Lisp_Object);
1123 extern bool frame_inhibit_resize (struct frame *, bool, Lisp_Object);
1124 extern void adjust_frame_size (struct frame *, int, int, int, bool, Lisp_Object);
1125
1126 extern Lisp_Object Vframe_list;
1127
1128 /* Value is a pointer to the selected frame. If the selected frame
1129 isn't live, abort. */
1130
1131 #define SELECTED_FRAME() \
1132 ((FRAMEP (selected_frame) \
1133 && FRAME_LIVE_P (XFRAME (selected_frame))) \
1134 ? XFRAME (selected_frame) \
1135 : (emacs_abort (), (struct frame *) 0))
1136
1137 \f
1138 /***********************************************************************
1139 Display-related Macros
1140 ***********************************************************************/
1141
1142 /* Canonical y-unit on frame F.
1143 This value currently equals the line height of the frame (which is
1144 the height of the default font of F). */
1145 #define FRAME_LINE_HEIGHT(F) ((F)->line_height)
1146
1147 /* Canonical x-unit on frame F.
1148 This value currently equals the average width of the default font of F. */
1149 #define FRAME_COLUMN_WIDTH(F) ((F)->column_width)
1150
1151 /* Pixel width of areas used to display truncation marks, continuation
1152 marks, overlay arrows. This is 0 for terminal frames. */
1153
1154 #ifdef HAVE_WINDOW_SYSTEM
1155
1156 /* Total width of fringes reserved for drawing truncation bitmaps,
1157 continuation bitmaps and alike. The width is in canonical char
1158 units of the frame. This must currently be the case because window
1159 sizes aren't pixel values. If it weren't the case, we wouldn't be
1160 able to split windows horizontally nicely. */
1161 #define FRAME_FRINGE_COLS(F) ((F)->fringe_cols)
1162
1163 /* Pixel-width of the left and right fringe. */
1164
1165 #define FRAME_LEFT_FRINGE_WIDTH(F) ((F)->left_fringe_width)
1166 #define FRAME_RIGHT_FRINGE_WIDTH(F) ((F)->right_fringe_width)
1167
1168 /* Total width of fringes in pixels. */
1169
1170 #define FRAME_TOTAL_FRINGE_WIDTH(F) \
1171 (FRAME_LEFT_FRINGE_WIDTH (F) + FRAME_RIGHT_FRINGE_WIDTH (F))
1172
1173 /* Pixel-width of internal border lines */
1174 #define FRAME_INTERNAL_BORDER_WIDTH(F) ((F)->internal_border_width)
1175
1176 /* Pixel-size of window border lines */
1177 #define FRAME_RIGHT_DIVIDER_WIDTH(F) ((F)->right_divider_width)
1178 #define FRAME_BOTTOM_DIVIDER_WIDTH(F) ((F)->bottom_divider_width)
1179
1180 #else /* not HAVE_WINDOW_SYSTEM */
1181
1182 #define FRAME_FRINGE_COLS(F) 0
1183 #define FRAME_TOTAL_FRINGE_WIDTH(F) 0
1184 #define FRAME_LEFT_FRINGE_WIDTH(F) 0
1185 #define FRAME_RIGHT_FRINGE_WIDTH(F) 0
1186 #define FRAME_INTERNAL_BORDER_WIDTH(F) 0
1187 #define FRAME_RIGHT_DIVIDER_WIDTH(F) 0
1188 #define FRAME_BOTTOM_DIVIDER_WIDTH(F) 0
1189
1190 #endif /* not HAVE_WINDOW_SYSTEM */
1191 \f
1192 /***********************************************************************
1193 Conversion between canonical units and pixels
1194 ***********************************************************************/
1195
1196 /* Canonical x-values are fractions of FRAME_COLUMN_WIDTH, canonical
1197 y-unit are fractions of FRAME_LINE_HEIGHT of a frame. Both are
1198 represented as Lisp numbers, i.e. integers or floats. */
1199
1200 /* Convert canonical value X to pixels. F is the frame whose
1201 canonical char width is to be used. X must be a Lisp integer or
1202 float. Value is a C integer. */
1203 #define FRAME_PIXEL_X_FROM_CANON_X(F, X) \
1204 (INTEGERP (X) \
1205 ? XINT (X) * FRAME_COLUMN_WIDTH (F) \
1206 : (int) (XFLOAT_DATA (X) * FRAME_COLUMN_WIDTH (F)))
1207
1208 /* Convert canonical value Y to pixels. F is the frame whose
1209 canonical character height is to be used. X must be a Lisp integer
1210 or float. Value is a C integer. */
1211 #define FRAME_PIXEL_Y_FROM_CANON_Y(F, Y) \
1212 (INTEGERP (Y) \
1213 ? XINT (Y) * FRAME_LINE_HEIGHT (F) \
1214 : (int) (XFLOAT_DATA (Y) * FRAME_LINE_HEIGHT (F)))
1215
1216 /* Convert pixel-value X to canonical units. F is the frame whose
1217 canonical character width is to be used. X is a C integer. Result
1218 is a Lisp float if X is not a multiple of the canon width,
1219 otherwise it's a Lisp integer. */
1220 #define FRAME_CANON_X_FROM_PIXEL_X(F, X) \
1221 ((X) % FRAME_COLUMN_WIDTH (F) != 0 \
1222 ? make_float ((double) (X) / FRAME_COLUMN_WIDTH (F)) \
1223 : make_number ((X) / FRAME_COLUMN_WIDTH (F)))
1224
1225 /* Convert pixel-value Y to canonical units. F is the frame whose
1226 canonical character height is to be used. Y is a C integer.
1227 Result is a Lisp float if Y is not a multiple of the canon width,
1228 otherwise it's a Lisp integer. */
1229 #define FRAME_CANON_Y_FROM_PIXEL_Y(F, Y) \
1230 ((Y) % FRAME_LINE_HEIGHT (F) \
1231 ? make_float ((double) (Y) / FRAME_LINE_HEIGHT (F)) \
1232 : make_number ((Y) / FRAME_LINE_HEIGHT (F)))
1233
1234
1235 \f
1236 /* Manipulating pixel sizes and character sizes.
1237 Knowledge of which factors affect the overall size of the window should
1238 be hidden in these macros, if that's possible.
1239
1240 Return the upper/left pixel position of the character cell on frame F
1241 at ROW/COL. */
1242 #define FRAME_LINE_TO_PIXEL_Y(f, row) \
1243 (((row) < FRAME_TOP_MARGIN (f) ? 0 : FRAME_INTERNAL_BORDER_WIDTH (f)) \
1244 + (row) * FRAME_LINE_HEIGHT (f))
1245
1246 #define FRAME_COL_TO_PIXEL_X(f, col) \
1247 (FRAME_INTERNAL_BORDER_WIDTH (f) \
1248 + (col) * FRAME_COLUMN_WIDTH (f))
1249
1250 /* Return the pixel width/height of frame F if it has
1251 COLS columns/LINES rows. */
1252 #define FRAME_TEXT_COLS_TO_PIXEL_WIDTH(f, cols) \
1253 ((cols) * FRAME_COLUMN_WIDTH (f) \
1254 + FRAME_SCROLL_BAR_AREA_WIDTH (f) \
1255 + FRAME_TOTAL_FRINGE_WIDTH (f) \
1256 + 2 * FRAME_INTERNAL_BORDER_WIDTH (f))
1257
1258 #define FRAME_TEXT_LINES_TO_PIXEL_HEIGHT(f, lines) \
1259 ((lines) * FRAME_LINE_HEIGHT (f) \
1260 + FRAME_TOP_MARGIN_HEIGHT (f) \
1261 + FRAME_SCROLL_BAR_AREA_HEIGHT (f) \
1262 + 2 * FRAME_INTERNAL_BORDER_WIDTH (f))
1263
1264 /* Return the row/column (zero-based) of the character cell containing
1265 the pixel on FRAME at Y/X. */
1266 #define FRAME_PIXEL_Y_TO_LINE(f, y) \
1267 (((y) < FRAME_TOP_MARGIN_HEIGHT (f) \
1268 ? (y) \
1269 : ((y) < (FRAME_TOP_MARGIN_HEIGHT (f) \
1270 + FRAME_INTERNAL_BORDER_WIDTH (f)) \
1271 ? (y) - (FRAME_TOP_MARGIN_HEIGHT (f) \
1272 + FRAME_INTERNAL_BORDER_WIDTH (f) \
1273 /* Arrange for the division to round down. */ \
1274 + FRAME_LINE_HEIGHT (f) - 1) \
1275 : (y) - FRAME_INTERNAL_BORDER_WIDTH (f))) \
1276 / FRAME_LINE_HEIGHT (f))
1277
1278 #define FRAME_PIXEL_X_TO_COL(f, x) \
1279 (((x) - FRAME_INTERNAL_BORDER_WIDTH (f)) \
1280 / FRAME_COLUMN_WIDTH (f))
1281
1282 /* How many columns/rows of text can we fit in WIDTH/HEIGHT pixels on
1283 frame F (so we round down)? */
1284 #define FRAME_PIXEL_WIDTH_TO_TEXT_COLS(f, width) \
1285 (((width) \
1286 - FRAME_TOTAL_FRINGE_WIDTH (f) \
1287 - FRAME_SCROLL_BAR_AREA_WIDTH (f) \
1288 - 2 * FRAME_INTERNAL_BORDER_WIDTH (f)) \
1289 / FRAME_COLUMN_WIDTH (f)) \
1290
1291 #define FRAME_PIXEL_HEIGHT_TO_TEXT_LINES(f, height) \
1292 (((height) \
1293 - FRAME_TOP_MARGIN_HEIGHT (f) \
1294 - FRAME_SCROLL_BAR_AREA_HEIGHT (f) \
1295 - 2 * FRAME_INTERNAL_BORDER_WIDTH (f)) \
1296 / FRAME_LINE_HEIGHT (f))
1297
1298 /* Return the pixel width/height of frame F with a text size of
1299 width/height. */
1300 #define FRAME_TEXT_TO_PIXEL_WIDTH(f, width) \
1301 ((width) \
1302 + FRAME_SCROLL_BAR_AREA_WIDTH (f) \
1303 + FRAME_TOTAL_FRINGE_WIDTH (f) \
1304 + 2 * FRAME_INTERNAL_BORDER_WIDTH (f))
1305
1306 #define FRAME_TEXT_TO_PIXEL_HEIGHT(f, height) \
1307 ((height) \
1308 + FRAME_TOP_MARGIN_HEIGHT (f) \
1309 + FRAME_SCROLL_BAR_AREA_HEIGHT (f) \
1310 + 2 * FRAME_INTERNAL_BORDER_WIDTH (f))
1311
1312 /* Return the text width/height of frame F with a pixel size of
1313 width/height. */
1314 #define FRAME_PIXEL_TO_TEXT_WIDTH(f, width) \
1315 ((width) \
1316 - FRAME_SCROLL_BAR_AREA_WIDTH (f) \
1317 - FRAME_TOTAL_FRINGE_WIDTH (f) \
1318 - 2 * FRAME_INTERNAL_BORDER_WIDTH (f))
1319
1320 #define FRAME_PIXEL_TO_TEXT_HEIGHT(f, height) \
1321 ((height) \
1322 - FRAME_TOP_MARGIN_HEIGHT (f) \
1323 - FRAME_SCROLL_BAR_AREA_HEIGHT (f) \
1324 - 2 * FRAME_INTERNAL_BORDER_WIDTH (f))
1325
1326 /* Return the width/height reserved for the windows of frame F. */
1327 #define FRAME_WINDOWS_WIDTH(f) \
1328 (FRAME_PIXEL_WIDTH (f) \
1329 - 2 * FRAME_INTERNAL_BORDER_WIDTH (f))
1330
1331 #define FRAME_WINDOWS_HEIGHT(f) \
1332 (FRAME_PIXEL_HEIGHT (f) \
1333 - FRAME_TOP_MARGIN_HEIGHT (f) \
1334 - 2 * FRAME_INTERNAL_BORDER_WIDTH (f))
1335
1336 /* Value is the smallest width of any character in any font on frame F. */
1337 #define FRAME_SMALLEST_CHAR_WIDTH(f) \
1338 FRAME_DISPLAY_INFO (f)->smallest_char_width
1339
1340 /* Value is the smallest height of any font on frame F. */
1341 #define FRAME_SMALLEST_FONT_HEIGHT(f) \
1342 FRAME_DISPLAY_INFO (f)->smallest_font_height
1343
1344 /***********************************************************************
1345 Frame Parameters
1346 ***********************************************************************/
1347
1348 #ifdef HAVE_WINDOW_SYSTEM
1349
1350 /* The class of this X application. */
1351 #define EMACS_CLASS "Emacs"
1352
1353 extern void x_set_scroll_bar_default_width (struct frame *);
1354 extern void x_set_scroll_bar_default_height (struct frame *);
1355 extern void x_set_offset (struct frame *, int, int, int);
1356 extern void x_wm_set_size_hint (struct frame *f, long flags, bool user_position);
1357 extern Lisp_Object x_new_font (struct frame *, Lisp_Object, int);
1358 extern void x_set_frame_parameters (struct frame *, Lisp_Object);
1359 extern void x_set_fullscreen (struct frame *, Lisp_Object, Lisp_Object);
1360 extern void x_set_line_spacing (struct frame *, Lisp_Object, Lisp_Object);
1361 extern void x_set_screen_gamma (struct frame *, Lisp_Object, Lisp_Object);
1362 extern void x_set_font (struct frame *, Lisp_Object, Lisp_Object);
1363 extern void x_set_font_backend (struct frame *, Lisp_Object, Lisp_Object);
1364 extern void x_set_left_fringe (struct frame *, Lisp_Object, Lisp_Object);
1365 extern void x_set_right_fringe (struct frame *, Lisp_Object, Lisp_Object);
1366 extern void x_set_border_width (struct frame *, Lisp_Object, Lisp_Object);
1367 extern void x_set_right_divider_width (struct frame *, Lisp_Object,
1368 Lisp_Object);
1369 extern void x_set_bottom_divider_width (struct frame *, Lisp_Object,
1370 Lisp_Object);
1371 extern void x_set_visibility (struct frame *, Lisp_Object, Lisp_Object);
1372 extern void x_set_autoraise (struct frame *, Lisp_Object, Lisp_Object);
1373 extern void x_set_autolower (struct frame *, Lisp_Object, Lisp_Object);
1374 extern void x_set_unsplittable (struct frame *, Lisp_Object, Lisp_Object);
1375 extern void x_set_vertical_scroll_bars (struct frame *, Lisp_Object, Lisp_Object);
1376 extern void x_set_horizontal_scroll_bars (struct frame *, Lisp_Object, Lisp_Object);
1377 extern void x_set_scroll_bar_width (struct frame *, Lisp_Object, Lisp_Object);
1378 extern void x_set_scroll_bar_height (struct frame *, Lisp_Object, Lisp_Object);
1379
1380 extern long x_figure_window_size (struct frame *, Lisp_Object, bool);
1381
1382 extern void x_set_alpha (struct frame *, Lisp_Object, Lisp_Object);
1383
1384 extern void validate_x_resource_name (void);
1385
1386 extern Lisp_Object display_x_get_resource (Display_Info *,
1387 Lisp_Object attribute,
1388 Lisp_Object class,
1389 Lisp_Object component,
1390 Lisp_Object subclass);
1391
1392 extern void set_frame_menubar (struct frame *f, bool first_time, bool deep_p);
1393 extern void x_set_window_size (struct frame *f, bool change_gravity,
1394 int width, int height, bool pixelwise);
1395 extern Lisp_Object x_get_focus_frame (struct frame *);
1396 extern void frame_set_mouse_pixel_position (struct frame *f, int pix_x, int pix_y);
1397 extern void x_make_frame_visible (struct frame *f);
1398 extern void x_make_frame_invisible (struct frame *f);
1399 extern void x_iconify_frame (struct frame *f);
1400 extern void x_set_frame_alpha (struct frame *f);
1401 extern void x_activate_menubar (struct frame *);
1402 extern void x_real_positions (struct frame *, int *, int *);
1403 extern void free_frame_menubar (struct frame *);
1404 extern void x_free_frame_resources (struct frame *);
1405
1406 #if defined HAVE_X_WINDOWS
1407 extern void x_wm_set_icon_position (struct frame *, int, int);
1408 #if !defined USE_X_TOOLKIT
1409 extern char *x_get_resource_string (const char *, const char *);
1410 #endif
1411 extern void x_sync (struct frame *);
1412 #endif /* HAVE_X_WINDOWS */
1413
1414 extern void x_query_colors (struct frame *f, XColor *, int);
1415 extern void x_query_color (struct frame *f, XColor *);
1416 extern void x_focus_frame (struct frame *);
1417
1418 #ifndef HAVE_NS
1419
1420 extern bool x_bitmap_icon (struct frame *, Lisp_Object);
1421
1422 /* Set F's bitmap icon, if specified among F's parameters. */
1423
1424 INLINE void
1425 x_set_bitmap_icon (struct frame *f)
1426 {
1427 Lisp_Object obj = assq_no_quit (Qicon_type, f->param_alist);
1428
1429 if (CONSP (obj))
1430 x_bitmap_icon (f, XCDR (obj));
1431 }
1432
1433 #endif /* !HAVE_NS */
1434 #endif /* HAVE_WINDOW_SYSTEM */
1435
1436 INLINE void
1437 flush_frame (struct frame *f)
1438 {
1439 struct redisplay_interface *rif = FRAME_RIF (f);
1440
1441 if (rif && rif->flush_display)
1442 rif->flush_display (f);
1443 }
1444
1445 /***********************************************************************
1446 Multimonitor data
1447 ***********************************************************************/
1448
1449 #ifdef HAVE_WINDOW_SYSTEM
1450
1451 struct MonitorInfo {
1452 XRectangle geom, work;
1453 int mm_width, mm_height;
1454 char *name;
1455 };
1456
1457 extern void free_monitors (struct MonitorInfo *monitors, int n_monitors);
1458 extern Lisp_Object make_monitor_attribute_list (struct MonitorInfo *monitors,
1459 int n_monitors,
1460 int primary_monitor,
1461 Lisp_Object monitor_frames,
1462 const char *source);
1463
1464 #endif /* HAVE_WINDOW_SYSTEM */
1465
1466
1467 INLINE_HEADER_END
1468
1469 /* Suppress -Wsuggest-attribute=const if there are no scroll bars.
1470 This is for functions like x_set_horizontal_scroll_bars that have
1471 no effect in this case. */
1472 #if ! USE_HORIZONTAL_SCROLL_BARS && 4 < __GNUC__ + (6 <= __GNUC_MINOR__)
1473 # pragma GCC diagnostic ignored "-Wsuggest-attribute=const"
1474 #endif
1475
1476 #endif /* not EMACS_FRAME_H */