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* xdisp.c (buffer_shared): Adjust comment.

Browse source 
(buffer_shared_and_changed): New function.
(prepare_menu_bars, redisplay_internal): Use it to
decide whether all windows or frames should be updated.
This commit is contained in:
Dmitry Antipov 2012-11-20 11:53:04 +04:00
parent 23ba2705e2
commit 952580c5fd
2 changed files with 22 additions and 8 deletions
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7
src/ChangeLog
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@ -1,3 +1,10 @@
2012-11-20 Dmitry Antipov <dmantipov@yandex.ru>
* xdisp.c (buffer_shared): Adjust comment.
(buffer_shared_and_changed): New function.
(prepare_menu_bars, redisplay_internal): Use it to
decide whether all windows or frames should be updated.
2012-11-20 Stefan Monnier <monnier@iro.umontreal.ca>
* eval.c (Finteractive_p, Fcalled_interactively_p, interactive_p): Remove.

23
src/xdisp.c
View file

@ -515,9 +515,8 @@ Lisp_Object Qmenu_bar_update_hook;
static int overlay_arrow_seen;
/* Number of windows showing the buffer of the selected window (or
another buffer with the same base buffer). keyboard.c refers to
this. */
/* Number of windows showing the buffer of the selected
window (or another buffer with the same base buffer). */
int buffer_shared;
@ -10889,8 +10888,15 @@ echo_area_display (int update_frame_p)
return window_height_changed_p;
}
/* True if the current buffer is shown in more than
one window and was modified since last display. */
static int
buffer_shared_and_changed (void)
{
return (buffer_shared > 1 && UNCHANGED_MODIFIED < MODIFF);
}
/***********************************************************************
Mode Lines and Frame Titles
***********************************************************************/
@ -11196,7 +11202,7 @@ prepare_menu_bars (void)
/* Update the menu bar item lists, if appropriate. This has to be
done before any actual redisplay or generation of display lines. */
all_windows = (update_mode_lines
|| buffer_shared > 1
|| buffer_shared_and_changed ()
|| windows_or_buffers_changed);
if (all_windows)
{
@ -13116,7 +13122,7 @@ redisplay_internal (void)
if ((SAVE_MODIFF < MODIFF) != w->last_had_star)
{
w->update_mode_line = 1;
if (buffer_shared > 1)
if (buffer_shared_and_changed ())
update_mode_lines++;
}
@ -13141,7 +13147,8 @@ redisplay_internal (void)
/* The variable buffer_shared is set in redisplay_window and
indicates that we redisplay a buffer in different windows. See
there. */
consider_all_windows_p = (update_mode_lines || buffer_shared > 1
consider_all_windows_p = (update_mode_lines
|| buffer_shared_and_changed ()
|| cursor_type_changed);
/* If specs for an arrow have changed, do thorough redisplay
@ -13433,7 +13440,7 @@ redisplay_internal (void)
}
CHARPOS (this_line_start_pos) = 0;
consider_all_windows_p |= buffer_shared > 1;
consider_all_windows_p |= buffer_shared_and_changed ();
++clear_face_cache_count;
#ifdef HAVE_WINDOW_SYSTEM
++clear_image_cache_count;