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gdkwindow: Don't queue a redraw when calling gdk_window_raise with no effect

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The resize grip code in GTK+ likes to call gdk_window_raise a lot. The
unfortunate side effect of gdk_window_raise is that it queues an
invalidation on the entire window, even if it's already the topmost
child.

Add a return value to gdk_window_raise_internal, and only queue the
invalidation if the raise had an effect.
This commit is contained in:
Jasper St. Pierre 2014-07-03 11:48:28 -04:00
parent ec140a8f07
commit b5eddb0aa1
1 changed files with 17 additions and 9 deletions
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26
gdk/gdkwindow.c
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@ -4446,7 +4446,7 @@ get_all_native_children (GdkWindow *window,
}
static inline void
static gboolean
gdk_window_raise_internal (GdkWindow *window)
{
GdkWindow *parent = window->parent;
@ -4454,11 +4454,13 @@ gdk_window_raise_internal (GdkWindow *window)
GList *native_children;
GList *l, listhead;
GdkWindowImplClass *impl_class;
gboolean did_raise = FALSE;
if (parent)
if (parent && parent->children->data != window)
{
parent->children = g_list_remove (parent->children, window);
parent->children = g_list_prepend (parent->children, window);
did_raise = TRUE;
}
impl_class = GDK_WINDOW_IMPL_GET_CLASS (window->impl);
@ -4506,8 +4508,9 @@ gdk_window_raise_internal (GdkWindow *window)
g_list_free (native_children);
}
}
return did_raise;
}
/* Returns TRUE If the native window was mapped or unmapped */
@ -4598,7 +4601,7 @@ gdk_window_show_internal (GdkWindow *window, gboolean raise)
{
GdkWindowImplClass *impl_class;
gboolean was_mapped, was_viewable;
gboolean did_show;
gboolean did_show, did_raise = FALSE;
g_return_if_fail (GDK_IS_WINDOW (window));
@ -4609,8 +4612,10 @@ gdk_window_show_internal (GdkWindow *window, gboolean raise)
was_viewable = window->viewable;
if (raise)
/* Keep children in (reverse) stacking order */
gdk_window_raise_internal (window);
{
/* Keep children in (reverse) stacking order */
did_raise = gdk_window_raise_internal (window);
}
if (gdk_window_has_impl (window))
{
@ -4646,7 +4651,7 @@ gdk_window_show_internal (GdkWindow *window, gboolean raise)
_gdk_make_event (window, GDK_MAP, NULL, FALSE);
}
if (!was_mapped || raise)
if (!was_mapped || did_raise)
{
recompute_visible_regions (window, FALSE);
@ -4694,15 +4699,18 @@ gdk_window_show_unraised (GdkWindow *window)
void
gdk_window_raise (GdkWindow *window)
{
gboolean did_raise;
g_return_if_fail (GDK_IS_WINDOW (window));
if (window->destroyed)
return;
/* Keep children in (reverse) stacking order */
gdk_window_raise_internal (window);
did_raise = gdk_window_raise_internal (window);
if (!gdk_window_is_toplevel (window) &&
if (did_raise &&
!gdk_window_is_toplevel (window) &&
gdk_window_is_viewable (window) &&
!window->input_only)
gdk_window_invalidate_region_full (window, window->clip_region, TRUE);