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More reentrancy protection for process_updates

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Protect against exposes destroying windows in some more places.
Hopefully this fixes bug 589367.
This commit is contained in:
Alexander Larsson 2009-08-20 17:09:08 +02:00
parent bbd96c5161
commit 428d7bd27b
1 changed files with 27 additions and 4 deletions
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31
gdk/gdkwindow.c
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@ -4806,7 +4806,8 @@ _gdk_window_process_updates_recurse (GdkWindow *window,
g_list_foreach (children, (GFunc)g_object_unref, NULL);
g_list_free (children);
if (!gdk_region_empty (expose_region))
if (!gdk_region_empty (expose_region) &&
!private->destroyed)
{
if (private->event_mask & GDK_EXPOSURE_MASK)
{
@ -4853,6 +4854,9 @@ gdk_window_process_updates_internal (GdkWindow *window)
gboolean save_region = FALSE;
GdkRectangle clip_box;
/* Ensure the window lives while updating it */
g_object_ref (window);
/* If an update got queued during update processing, we can get a
* window in the update queue that has an empty update_area.
* just ignore it.
@ -5000,6 +5004,8 @@ gdk_window_process_updates_internal (GdkWindow *window)
no actual invalid area */
gdk_window_flush_outstanding_moves (window);
}
g_object_unref (window);
}
static void
@ -5103,6 +5109,12 @@ gdk_window_process_updates (GdkWindow *window,
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_WINDOW_DESTROYED (window))
return;
/* Make sure the window lives during the expose callouts */
g_object_ref (window);
impl_window = gdk_window_get_impl_window (private);
if ((impl_window->update_area ||
impl_window->outstanding_moves) &&
@ -5118,10 +5130,21 @@ gdk_window_process_updates (GdkWindow *window,
/* process updates in reverse stacking order so composition or
* painting over achieves the desired effect for offscreen windows
*/
GList *node;
for (node = g_list_last (private->children); node; node = node->prev)
gdk_window_process_updates (node->data, TRUE);
GList *node, *children;
children = g_list_copy (private->children);
g_list_foreach (children, (GFunc)g_object_ref, NULL);
for (node = g_list_last (children); node; node = node->prev)
{
gdk_window_process_updates (node->data, TRUE);
g_object_unref (node->data);
}
g_list_free (children);
}
g_object_unref (window);
}
/**