1 /* Redisplay data structures.
2 Copyright (C) 1994, 1995 Board of Trustees, University of Illinois.
3 Copyright (C) 1996 Chuck Thompson.
4 Copyright (C) 1995, 1996 Ben Wing.
6 This file is part of XEmacs.
8 XEmacs is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published by the
10 Free Software Foundation; either version 2, or (at your option) any
13 XEmacs is distributed in the hope that it will be useful, but WITHOUT
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 You should have received a copy of the GNU General Public License
19 along with XEmacs; see the file COPYING. If not, write to
20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA. */
23 /* Synched up with: Not in FSF. */
25 #ifndef INCLUDED_redisplay_h_
26 #define INCLUDED_redisplay_h_
28 /* Redisplay DASSERT types */
30 #define DB_DISP_TEXT_LAYOUT 2
31 #define DB_DISP_REDISPLAY 4
33 /* These are the possible return values from pixel_to_glyph_translation. */
34 #define OVER_MODELINE 0
36 #define OVER_OUTSIDE 2
37 #define OVER_NOTHING 3
39 #define OVER_TOOLBAR 5
40 #define OVER_V_DIVIDER 6
44 /* Imagine that the text in the buffer is displayed on a piece of paper
45 the width of the frame and very very tall. The line start cache is
46 an array of struct line_start_cache's, describing the start and
47 end buffer positions for a contiguous set of lines on that piece
50 typedef struct line_start_cache line_start_cache;
51 struct line_start_cache
59 Dynarr_declare (line_start_cache);
60 } line_start_cache_dynarr;
62 /* The possible types of runes.
64 #### The Lisp_Glyph type is broken. There should instead be a pixmap
65 type. Currently the device-specific output routines have to worry
66 about whether the glyph is textual or not, etc. For Mule this is
67 a big problem because you might need multiple fonts to display the
68 text. It also eliminates optimizations that could come from glumping
69 the text of multiple text glyphs together -- this makes displaying
70 binary files (with lots of control chars, etc.) very very slow. */
82 #define IGNORE_CURSOR 4
84 #define DEFAULT_INDEX (face_index) 0
85 #define MODELINE_INDEX (face_index) 1
87 /* A rune is a single display element, such as a printable character
88 or pixmap. Any single character in a buffer has one or more runes
89 (or zero, if the character is invisible) corresponding to it.
90 (Printable characters typically have one rune associated with them,
91 but control characters have two -- a ^ and a letter -- and other
92 non-printing characters (those displayed in octal) have four. */
94 /* WARNING! In compare_runes (one of the most heavily used functions)
95 two runes are compared. So please be careful with changes to this
96 structure. See comments in compare_runes.
98 #### This should really be made smaller.
101 typedef struct rune rune;
104 face_index findex; /* face rune is displayed with. The
105 face_index is an index into a
106 window-specific array of face cache
107 elements. Each face cache element
108 corresponds to one "merged face"
109 (the result of merging all the
110 faces that overlap the rune) and
111 contains the instance values for
112 each of the face properties in this
113 particular window. */
115 Bufpos bufpos; /* buffer position this rune is displaying;
116 for the modeline, the value here is a
117 Charcount, but who's looking? */
118 Bufpos endpos; /* if set this rune covers a range of pos */
119 /* #### Chuck, what does it mean for a rune
120 to cover a range of pos? I don't get
122 /* #### This isn't used as an rvalue anywhere!
126 short xpos; /* horizontal starting position in pixels */
127 short width; /* pixel width of rune */
130 unsigned char cursor_type; /* is this rune covered by the cursor? */
131 unsigned char type; /* type of rune object */
132 /* We used to do bitfields here, but if I
133 (JV) count correctly that doesn't matter
134 for the size of the structure. All the bit
135 fiddling _does_ slow down redisplay by
136 about 10%. So don't do that */
138 union /* Information specific to the type of rune */
140 /* #### Glyphs are rare. Is it really necessary to waste 8 bytes on every
146 Lisp_Object extent; /* extent rune is attached to, if any.
147 If this is a rune in the modeline
148 then this might be nil. */
150 int ascent; /* Ascent of this glyph, in pixels. */
151 int descent; /* Descent of this glyph, in pixels. */
152 int yoffset; /* Offset from line top to reach glyph top */
153 int xoffset; /* Number of pixels that need to be
154 chopped off the left of the glyph.
155 This has the effect of shifting the
156 glyph to the left while still clipping
163 Emchar ch; /* Character of this rune. */
169 short thickness; /* how thick to make hline */
170 short yoffset; /* how far down from top of line to put top */
172 } object; /* actual rune object */
177 Dynarr_declare (rune);
180 /* These must have distinct values. Note that the ordering actually
181 represents priority levels. TEXT has the lowest priority level. */
188 RIGHT_OUTSIDE_MARGIN,
192 /* A display block represents a run of text on a single line.
193 Apparently there is only one display block per line for each
194 of the types listed in `enum display_type'.
196 A display block consists mostly of an array of runes, one per
197 atomic display element (printable character, pixmap, etc.). */
199 /* #### Yuckity yuckity yuck yuck yuck yuck yuck!!
201 Chuck, I think you should redo this. It should not be the
202 responsibility of the device-specific code to worry about
203 the different faces. The generic stuff in redisplay-output.c
204 should glump things up into sub-blocks, each of which
205 corresponds to a single pixmap or a single run of text in
208 It might still make sense for the device-specific output routine
209 to get passed an entire display line. That way, it can make
210 calls to XDrawText() (which draws multiple runs of single-font
211 data) instead of XDrawString(). The reason for this is to
212 reduce the amount of X traffic, which will help things significantly
215 typedef struct display_block display_block;
218 enum display_type type; /* type of display block */
220 int start_pos; /* starting pixel position of block */
221 int end_pos; /* ending pixel position of block */
223 rune_dynarr *runes; /* Dynamic array of runes */
228 Dynarr_declare (display_block);
229 } display_block_dynarr;
231 typedef struct layout_bounds_type
241 typedef struct glyph_block glyph_block;
246 /* The rest are only used by margin routines. */
254 Dynarr_declare (glyph_block);
255 } glyph_block_dynarr;
257 /*************************************************************************/
259 /*************************************************************************/
261 /* Modeline commentary: IMO the modeline is handled very badly, we
262 special case virtually *everything* in the redisplay routines for
263 the modeline. The fact that dl->bufpos can be either a buffer
264 position or a char count highlights this. There is no abstraction at
265 all that I can find and it means that the code is made very ugly as
266 a result. Either we should treat the modeline *entirely* separately,
267 or we should abstract to something that applies equally well to the
268 modeline and to buffer text, the things are not enormously different
269 after all and handling them identically at some level would
270 eliminate some bugs that still exist (mainly to do with modeline
271 handling). This problem doesn't help trying to implement gutters
272 which are somewhere in between buffer text and modeline text.
274 Redisplay commentary: Everything in redisplay is tied very tightly
275 to the things that are being displayed, and the context,
276 e.g. buffers and windows. According to Chuck this is so that we can
277 get speed, which seems fine to me, however this usage is extended
278 too far down the redisplay routines IMO. At some level there should
279 be functions that know how to display strings with extents and
280 faces, regardless of buffer etc. After all the window system does
281 not care. <andy@xemacs.org> */
283 typedef struct display_line display_line;
286 short ypos; /* vertical position in pixels
287 of the baseline for this line. */
288 unsigned short ascent, descent; /* maximum values for this line.
289 The ascent is the number of
290 pixels above the baseline, and
291 the descent is the number of
292 pixels below the baseline.
293 The descent includes the baseline
294 pixel-row itself, I think. */
295 unsigned short clip; /* amount of bottom of line to clip
297 unsigned short top_clip; /* amount of top of line to clip
299 Bufpos bufpos; /* first buffer position on line */
300 Bufpos end_bufpos; /* last buffer position on line */
301 Charcount offset; /* adjustment to bufpos vals */
302 Charcount num_chars; /* # of chars on line
303 including expansion of tabs
305 int cursor_elt; /* rune block of TEXT display
306 block cursor is at or -1 */
307 char used_prop_data; /* can't incrementally update if line
308 used propagation data */
310 layout_bounds bounds; /* line boundary positions */
312 char modeline; /* t if this line is a modeline */
314 char line_continuation; /* t if this line continues to
315 next display line. */
317 /* Dynamic array of display blocks */
318 display_block_dynarr *display_blocks;
320 /* Dynamic arrays of left and right glyph blocks */
321 glyph_block_dynarr *left_glyphs;
322 glyph_block_dynarr *right_glyphs;
324 face_index left_margin_findex;
325 face_index right_margin_findex;
326 face_index default_findex;
329 #define DISPLAY_LINE_HEIGHT(dl) \
330 (dl->ascent + dl->descent - (dl->clip + dl->top_clip))
331 #define DISPLAY_LINE_YPOS(dl) \
332 (dl->ypos - (dl->ascent - dl->top_clip))
333 #define DISPLAY_LINE_YEND(dl) \
334 ((dl->ypos + dl->descent) - dl->clip)
338 Dynarr_declare (display_line);
339 } display_line_dynarr;
341 /* The following two structures are used to represent an area to
342 displayed and where to display it. Using these two structures all
343 combinations of clipping and position can be accommodated. */
345 /* This represents an area to be displayed into. */
346 typedef struct display_box display_box;
349 int xpos; /* absolute horizontal position of area */
350 int ypos; /* absolute vertical position of area */
354 /* This represents the area from a glyph to be displayed. */
355 typedef struct display_glyph_area display_glyph_area;
356 struct display_glyph_area
358 int xoffset; /* horizontal offset of the glyph, +ve means
359 display the glyph with x offset by xoffset,
360 -ve means display starting xoffset into the
362 int yoffset; /* vertical offset of the glyph, +ve means
363 display the glyph with y offset by yoffset,
364 -ve means display starting xoffset into the
366 int width, height; /* width and height of glyph to display. */
369 /* It could be argued that the following two structs belong in
370 extents.h, but they're only used by redisplay and it simplifies
371 the header files to put them here. */
375 Dynarr_declare (EXTENT);
378 struct font_metric_info
381 int height; /* always ascent + descent; for convenience */
388 /* NOTE NOTE NOTE: Currently the positions in an extent fragment
389 structure are Bytind's, not Bufpos's. This could change. */
391 struct extent_fragment
393 Lisp_Object object; /* buffer or string */
396 EXTENT_dynarr *extents;
397 glyph_block_dynarr *begin_glyphs, *end_glyphs;
398 unsigned int invisible:1;
399 unsigned int invisible_ellipses:1;
400 unsigned int previously_invisible:1;
401 unsigned int invisible_ellipses_already_displayed:1;
406 #define EDGE_BOTTOM 4
408 #define EDGE_ALL (EDGE_TOP | EDGE_LEFT | EDGE_BOTTOM | EDGE_RIGHT)
411 /*************************************************************************/
413 /*************************************************************************/
415 /* Quick flags to signal redisplay. redisplay() sets them all to 0
416 when it finishes. If none of them are set when it starts, it
417 assumes that nothing needs to be done. Functions that make a change
418 that is (potentially) visible on the screen should set the
421 If any of these flags are set, redisplay will look more carefully
422 to see if anything has really changed. */
424 /* Nonzero if the contents of a buffer have changed since the last time
425 redisplay completed. */
426 extern int buffers_changed;
427 extern int buffers_changed_set;
429 /* Nonzero if head_clip or tail_clip of a buffer has changed
430 since last redisplay that finished. */
431 extern int clip_changed;
432 extern int clip_changed_set;
434 /* Nonzero if any extent has changed since the last time redisplay completed. */
435 extern int extents_changed;
436 extern int extents_changed_set;
438 /* Nonzero if any face has changed since the last time redisplay completed. */
439 extern int faces_changed;
441 /* Nonzero means one or more frames have been marked as garbaged. */
442 extern int frame_changed;
444 /* True if any of the builtin display glyphs (continuation,
445 hscroll, control-arrow, etc) is in need of updating
447 extern int glyphs_changed;
448 extern int glyphs_changed_set;
450 /* True if any displayed subwindow is in need of updating
452 extern int subwindows_changed;
453 extern int subwindows_changed_set;
455 /* True if any displayed subwindow is in need of updating
457 extern int subwindows_state_changed;
458 extern int subwindows_state_changed_set;
460 /* True if an icon is in need of updating somewhere. */
461 extern int icon_changed;
462 extern int icon_changed_set;
464 /* True if a menubar is in need of updating somewhere. */
465 extern int menubar_changed;
466 extern int menubar_changed_set;
468 /* True iff we should redraw the modelines on the next redisplay. */
469 extern int modeline_changed;
470 extern int modeline_changed_set;
472 /* Nonzero if point has changed in some buffer since the last time
473 redisplay completed. */
474 extern int point_changed;
475 extern int point_changed_set;
477 /* Nonzero if some frame has changed its size. */
478 extern int size_changed;
480 /* Nonzero if some device has signaled that it wants to change size. */
481 extern int asynch_device_change_pending;
483 /* Nonzero if some frame has changed the layout of internal elements
484 (gutters or toolbars). */
485 extern int frame_layout_changed;
487 /* Nonzero if any toolbar has changed. */
488 extern int toolbar_changed;
489 extern int toolbar_changed_set;
491 /* Nonzero if any gutter has changed. */
492 extern int gutter_changed;
493 extern int gutter_changed_set;
495 /* Nonzero if any window has changed since the last time redisplay completed */
496 extern int windows_changed;
498 /* Nonzero if any frame's window structure has changed since the last
499 time redisplay completed. */
500 extern int windows_structure_changed;
502 /* These macros can be relatively expensive. Since they are often
503 called numerous times between each call to redisplay, we keep track
504 if each has already been called and don't bother doing most of the
505 work if it is currently set. */
507 #define MARK_TYPE_CHANGED(object) do { \
508 if (!object##_changed_set) { \
509 Lisp_Object MTC_devcons, MTC_concons; \
510 DEVICE_LOOP_NO_BREAK (MTC_devcons, MTC_concons) \
512 Lisp_Object MTC_frmcons; \
513 struct device *MTC_d = XDEVICE (XCAR (MTC_devcons)); \
514 DEVICE_FRAME_LOOP (MTC_frmcons, MTC_d) \
516 struct frame *MTC_f = XFRAME (XCAR (MTC_frmcons)); \
517 MTC_f->object##_changed = 1; \
520 MTC_d->object##_changed = 1; \
522 object##_changed = 1; \
523 object##_changed_set = 1; } \
526 #define MARK_BUFFERS_CHANGED MARK_TYPE_CHANGED (buffers)
527 #define MARK_CLIP_CHANGED MARK_TYPE_CHANGED (clip)
528 #define MARK_EXTENTS_CHANGED MARK_TYPE_CHANGED (extents)
529 #define MARK_ICON_CHANGED MARK_TYPE_CHANGED (icon)
530 #define MARK_MENUBAR_CHANGED MARK_TYPE_CHANGED (menubar)
531 #define MARK_MODELINE_CHANGED MARK_TYPE_CHANGED (modeline)
532 #define MARK_POINT_CHANGED MARK_TYPE_CHANGED (point)
533 #define MARK_TOOLBAR_CHANGED MARK_TYPE_CHANGED (toolbar)
534 #define MARK_GUTTER_CHANGED MARK_TYPE_CHANGED (gutter)
535 #define MARK_GLYPHS_CHANGED MARK_TYPE_CHANGED (glyphs)
536 #define MARK_SUBWINDOWS_CHANGED MARK_TYPE_CHANGED (subwindows)
537 #define MARK_SUBWINDOWS_STATE_CHANGED MARK_TYPE_CHANGED (subwindows_state)
540 #define CLASS_RESET_CHANGED_FLAGS(p) do { \
541 (p)->buffers_changed = 0; \
542 (p)->clip_changed = 0; \
543 (p)->extents_changed = 0; \
544 (p)->faces_changed = 0; \
545 (p)->frame_changed = 0; \
546 (p)->frame_layout_changed = 0; \
547 (p)->icon_changed = 0; \
548 (p)->menubar_changed = 0; \
549 (p)->modeline_changed = 0; \
550 (p)->point_changed = 0; \
551 (p)->toolbar_changed = 0; \
552 (p)->gutter_changed = 0; \
553 (p)->glyphs_changed = 0; \
554 (p)->subwindows_changed = 0; \
555 (p)->subwindows_state_changed = 0; \
556 (p)->windows_changed = 0; \
557 (p)->windows_structure_changed = 0; \
560 #define GLOBAL_RESET_CHANGED_FLAGS do { \
561 buffers_changed = 0; \
563 extents_changed = 0; \
565 frame_layout_changed = 0; \
567 menubar_changed = 0; \
568 modeline_changed = 0; \
570 toolbar_changed = 0; \
571 gutter_changed = 0; \
572 glyphs_changed = 0; \
573 subwindows_changed = 0; \
574 subwindows_state_changed = 0; \
575 windows_changed = 0; \
576 windows_structure_changed = 0; \
579 #define CLASS_REDISPLAY_FLAGS_CHANGEDP(p) \
580 ( (p)->buffers_changed || \
581 (p)->clip_changed || \
582 (p)->extents_changed || \
583 (p)->faces_changed || \
584 (p)->frame_changed || \
585 (p)->frame_layout_changed || \
586 (p)->icon_changed || \
587 (p)->menubar_changed || \
588 (p)->modeline_changed || \
589 (p)->point_changed || \
590 (p)->toolbar_changed || \
591 (p)->gutter_changed || \
592 (p)->glyphs_changed || \
593 (p)->size_changed || \
594 (p)->subwindows_changed || \
595 (p)->subwindows_state_changed || \
596 (p)->windows_changed || \
597 (p)->windows_structure_changed )
599 #define GLOBAL_REDISPLAY_FLAGS_CHANGEDP \
600 ( buffers_changed || \
605 frame_layout_changed || \
608 modeline_changed || \
614 subwindows_changed || \
615 subwindows_state_changed || \
617 windows_structure_changed )
620 /* Anytime a console, device or frame is added or deleted we need to reset
622 #define RESET_CHANGED_SET_FLAGS do { \
623 buffers_changed_set = 0; \
624 clip_changed_set = 0; \
625 extents_changed_set = 0; \
626 icon_changed_set = 0; \
627 menubar_changed_set = 0; \
628 modeline_changed_set = 0; \
629 point_changed_set = 0; \
630 toolbar_changed_set = 0; \
631 gutter_changed_set = 0; \
632 glyphs_changed_set = 0; \
633 subwindows_changed_set = 0; \
634 subwindows_state_changed_set = 0; \
638 /*************************************************************************/
639 /* redisplay global variables */
640 /*************************************************************************/
642 /* redisplay structure used by various utility routines. */
643 extern display_line_dynarr *cmotion_display_lines;
645 /* Nonzero means truncate lines in all windows less wide than the frame. */
646 extern int truncate_partial_width_windows;
648 /* Nonzero if we're in a display critical section. */
649 extern int in_display;
651 /* Nonzero means no need to redraw the entire frame on resuming
652 a suspended Emacs. This is useful on terminals with multiple pages,
653 where one page is used for Emacs and another for all else. */
654 extern int no_redraw_on_reenter;
656 /* Non-nil means flash the frame instead of ringing the bell. */
657 extern Lisp_Object Vvisible_bell;
659 /* Thickness of shadow border around 3D modelines. */
660 extern Lisp_Object Vmodeline_shadow_thickness;
662 /* Scroll if point lands on the bottom line and that line is partially
664 extern int scroll_on_clipped_lines;
666 extern Lisp_Object Vglobal_mode_string;
668 /* The following two variables are defined in emacs.c and are used
669 to convey information discovered on the command line way early
670 (before *anything* is initialized). */
672 /* If non-zero, a window-system was specified on the command line.
673 Defined in emacs.c. */
674 extern int display_arg;
676 /* Type of display specified. Defined in emacs.c. */
677 extern const char *display_use;
679 /* Nonzero means reading single-character input with prompt
680 so put cursor on minibuffer after the prompt. */
682 extern int cursor_in_echo_area;
684 extern Lisp_Object Qbar_cursor, Qcursor_in_echo_area, Vwindow_system;
686 extern Lisp_Object Qtop_bottom;
689 /*************************************************************************/
690 /* redisplay exported functions */
691 /*************************************************************************/
692 EXFUN (Fredraw_frame, 2);
694 int redisplay_text_width_string (struct window *w, int findex,
695 Bufbyte *nonreloc, Lisp_Object reloc,
696 Bytecount offset, Bytecount len);
697 int redisplay_frame_text_width_string (struct frame *f,
701 Bytecount offset, Bytecount len);
702 int redisplay_frame (struct frame *f, int preemption_check);
703 void redisplay (void);
704 struct display_block *get_display_block_from_line (struct display_line *dl,
705 enum display_type type);
706 layout_bounds calculate_display_line_boundaries (struct window *w,
708 Bufpos point_at_center (struct window *w, int type, Bufpos start,
710 int line_at_center (struct window *w, int type, Bufpos start, Bufpos point);
711 int window_half_pixpos (struct window *w);
712 void redisplay_echo_area (void);
713 void free_display_structs (struct window_mirror *mir);
714 void free_display_lines (display_line_dynarr *dla);
715 void mark_redisplay_structs (display_line_dynarr *dla);
716 void generate_displayable_area (struct window *w, Lisp_Object disp_string,
717 int xpos, int ypos, int width, int height,
718 display_line_dynarr* dl,
719 Bufpos start_pos, face_index default_face);
720 /* `generate_title_string' in frame.c needs this */
721 void generate_formatted_string_db (Lisp_Object format_str,
722 Lisp_Object result_str,
724 struct display_line *dl,
725 struct display_block *db,
727 int min_pixpos, int max_pixpos, int type);
728 int real_current_modeline_height (struct window *w);
729 int pixel_to_glyph_translation (struct frame *f, int x_coord,
730 int y_coord, int *col, int *row,
731 int *obj_x, int *obj_y,
732 struct window **w, Bufpos *bufpos,
733 Bufpos *closest, Charcount *modeline_closest,
734 Lisp_Object *obj1, Lisp_Object *obj2);
735 void glyph_to_pixel_translation (struct window *w, int char_x,
736 int char_y, int *pix_x, int *pix_y);
737 void mark_redisplay (void);
738 int point_in_line_start_cache (struct window *w, Bufpos point,
740 int point_would_be_visible (struct window *w, Bufpos startp,
742 Bufpos start_of_last_line (struct window *w, Bufpos startp);
743 Bufpos end_of_last_line (struct window *w, Bufpos startp);
744 Bufpos start_with_line_at_pixpos (struct window *w, Bufpos point,
746 Bufpos start_with_point_on_display_line (struct window *w, Bufpos point,
748 int redisplay_variable_changed (Lisp_Object sym, Lisp_Object *val,
749 Lisp_Object in_object, int flags);
750 void redisplay_glyph_changed (Lisp_Object glyph, Lisp_Object property,
753 #ifdef MEMORY_USAGE_STATS
754 int compute_display_line_dynarr_usage (display_line_dynarr *dyn,
755 struct overhead_stats *ovstats);
756 int compute_line_start_cache_dynarr_usage (line_start_cache_dynarr *dyn,
757 struct overhead_stats *ovstats);
761 /* defined in redisplay-output.c */
762 int get_next_display_block (layout_bounds bounds,
763 display_block_dynarr *dba, int start_pos,
765 void redisplay_output_layout (Lisp_Object domain,
766 Lisp_Object image_instance,
767 struct display_box* db, struct display_glyph_area* dga,
768 face_index findex, int cursor_start, int cursor_width,
770 void redisplay_output_subwindow (struct window *w,
771 Lisp_Object image_instance,
772 struct display_box* db, struct display_glyph_area* dga,
773 face_index findex, int cursor_start, int cursor_width,
775 void redisplay_unmap_subwindows_maybe (struct frame* f, int x, int y, int width, int height);
776 void redisplay_output_pixmap (struct window *w,
777 Lisp_Object image_instance,
778 struct display_box* db, struct display_glyph_area* dga,
779 face_index findex, int cursor_start, int cursor_width,
780 int cursor_height, int offset_bitmap);
781 int redisplay_calculate_display_boxes (struct display_line *dl, int xpos,
782 int xoffset, int yoffset, int start_pixpos,
783 int width, struct display_box* dest,
784 struct display_glyph_area* src);
785 int redisplay_normalize_glyph_area (struct display_box* dest,
786 struct display_glyph_area* glyphsrc);
787 void redisplay_clear_to_window_end (struct window *w, int ypos1, int ypos2);
788 void redisplay_clear_region (Lisp_Object window, face_index findex, int x,
789 int y, int width, int height);
790 void redisplay_clear_top_of_window (struct window *w);
791 void redisplay_clear_bottom_of_window (struct window *w,
792 display_line_dynarr *ddla,
793 int min_start, int max_end);
794 void redisplay_update_line (struct window *w, int first_line,
795 int last_line, int update_values);
796 void redisplay_output_window (struct window *w);
797 void bevel_modeline (struct window *w, struct display_line *dl);
798 int redisplay_move_cursor (struct window *w, Bufpos new_point,
800 void redisplay_redraw_cursor (struct frame *f, int run_begin_end_meths);
801 void output_display_line (struct window *w, display_line_dynarr *cdla,
802 display_line_dynarr *ddla, int line,
803 int force_start, int force_end);
804 void sync_display_line_structs (struct window *w, int line, int do_blocks,
805 display_line_dynarr *cdla,
806 display_line_dynarr *ddla);
808 #endif /* INCLUDED_redisplay_h_ */