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MetaFrame: Cache borders

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Cache the computed border size so we can fetch the border size at
any time without worrying that we'll be spending too much time in
the theme code (in some cases we might allocate a PangoFontDescription
or do other significant work.)

The main effort here is clearing the cache when various bits of window
state change that could potentially affect the computed borders.

https://bugzilla.gnome.org/show_bug.cgi?id=707194
This commit is contained in:
Owen W. Taylor
2013-11-15 17:37:50 -05:00
parent f36a627330
commit a4a8f1f863
6 changed files with 43 additions and 3 deletions
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3
src/core/window-private.h
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@@ -533,6 +533,7 @@ void meta_window_update_fullscreen_monitors (MetaWindow *window,
unsigned long left,
unsigned long right);
/* args to move are window pos, not frame pos */
void meta_window_move (MetaWindow *window,
gboolean user_op,
@@ -683,6 +684,8 @@ void meta_window_recalc_features (MetaWindow *window);
void meta_window_recalc_window_type (MetaWindow *window);
void meta_window_type_changed (MetaWindow *window);
void meta_window_frame_size_changed (MetaWindow *window);
void meta_window_stack_just_below (MetaWindow *window,
MetaWindow *below_this_one);