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wayland: Avoid a crash

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We can end up in situations where NULL gets passed to
get_transient_parent(). Embrace it instead of avoiding it.

https://bugzilla.gnome.org/show_bug.cgi?id=758327
This commit is contained in:
Matthias Clasen 2015-11-19 14:39:42 -05:00
parent 029aad7907
commit 12a692ea9d
1 changed files with 2 additions and 5 deletions
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7
gdk/wayland/gdkwindow-wayland.c
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@ -1274,7 +1274,7 @@ should_map_as_popup (GdkWindow *window)
static GdkWindow *
get_popup_parent (GdkWindow *window)
{
do
while (window)
{
GdkWindowImplWayland *impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
@ -1283,7 +1283,6 @@ get_popup_parent (GdkWindow *window)
window = impl->transient_for;
}
while (window);
return NULL;
}
@ -1351,9 +1350,7 @@ gdk_wayland_window_map (GdkWindow *window)
}
if (transient_for)
transient_for = gdk_window_get_toplevel (transient_for);
if (transient_for)
transient_for = get_popup_parent (transient_for);
transient_for = get_popup_parent (gdk_window_get_toplevel (transient_for));
/* If the position was not explicitly set, start the popup at the
* position of the device that holds the grab.