The ::button-release-event signal will be emitted when a button
(typically from a mouse) is released.
To receive this signal, the GdkWindow associated to the
widget needs to enable the GDK_BUTTON_RELEASE_MASK mask.
This signal will be sent to the grab widget if there is one.
TRUE to stop other handlers from being invoked for the event.
FALSE to propagate the event further.
The ::button-release-event signal will be emitted when a button (typically from a mouse) is released. To receive this signal, the GdkWindow associated to the widget needs to enable the GDK_BUTTON_RELEASE_MASK mask. This signal will be sent to the grab widget if there is one. TRUE to stop other handlers from being invoked for the event. FALSE to propagate the event further.