- ~( Gdk::EXPOSURE_MASK
- | Gdk::ENTER_NOTIFY_MASK
- | Gdk::LEAVE_NOTIFY_MASK
- | Gdk::FOCUS_CHANGE_MASK
- | Gdk::STRUCTURE_MASK
- | Gdk::PROPERTY_CHANGE_MASK
- | Gdk::VISIBILITY_NOTIFY_MASK
- | Gdk::PROXIMITY_IN_MASK
- | Gdk::PROXIMITY_OUT_MASK
+ ~( Gdk::EXPOSURE_MASK
+ | Gdk::ENTER_NOTIFY_MASK
+ | Gdk::LEAVE_NOTIFY_MASK
+ | Gdk::FOCUS_CHANGE_MASK
+ | Gdk::STRUCTURE_MASK
+ | Gdk::PROPERTY_CHANGE_MASK
+ | Gdk::VISIBILITY_NOTIFY_MASK
+ | Gdk::PROXIMITY_IN_MASK
+ | Gdk::PROXIMITY_OUT_MASK