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wayland: Don't crash with offscreen windows
Use gdk_window_get_effective_toplevel when looking for a suitable transient parent, to skip over offscreen windows that we might encounter in the window tree. This fixes a crash in glade. https://bugzilla.gnome.org/show_bug.cgi?id=763110
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@ -1633,7 +1633,7 @@ gdk_wayland_window_map (GdkWindow *window)
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}
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if (transient_for)
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transient_for = get_popup_parent (gdk_window_get_toplevel (transient_for));
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transient_for = get_popup_parent (gdk_window_get_effective_toplevel (transient_for));
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/* If the position was not explicitly set, start the popup at the
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* position of the device that holds the grab.
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