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Warn when a parent is destroyed

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Previously gdk_window_new would silently return NULL. Bug 590921.
This commit is contained in:
Matthias Clasen
2009-08-30 11:14:40 -04:00
parent 13147323d7
commit 2421e641f4
1 changed files with 23 additions and 17 deletions
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40
gdk/gdkwindow.c
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@ -913,23 +913,26 @@ recompute_visible_regions_internal (GdkWindowObject *private,
if (gdk_region_empty (private->clip_region))
visibility = GDK_VISIBILITY_FULLY_OBSCURED;
else {
if (private->shape)
fully_visible = gdk_region_equal (private->clip_region,
private->shape);
else
{
r.x = 0;
r.y = 0;
r.width = private->width;
r.height = private->height;
fully_visible = gdk_region_rect_equal (private->clip_region, &r);
}
else
{
if (private->shape)
{
fully_visible = gdk_region_equal (private->clip_region,
private->shape);
}
else
{
r.x = 0;
r.y = 0;
r.width = private->width;
r.height = private->height;
fully_visible = gdk_region_rect_equal (private->clip_region, &r);
}
if (fully_visible)
visibility = GDK_VISIBILITY_UNOBSCURED;
else
visibility = GDK_VISIBILITY_PARTIAL;
if (fully_visible)
visibility = GDK_VISIBILITY_UNOBSCURED;
else
visibility = GDK_VISIBILITY_PARTIAL;
}
if (private->visibility != visibility)
@ -1194,7 +1197,10 @@ gdk_window_new (GdkWindow *parent,
g_return_val_if_fail (GDK_IS_WINDOW (parent), NULL);
if (GDK_WINDOW_DESTROYED (parent))
return NULL;
{
g_warning ("gdk_window_new(): parent is destroyed\n");
return NULL;
}
if (attributes->window_type == GDK_WINDOW_OFFSCREEN &&
_gdk_native_windows)