Specifies the type of function used to filter native events before they are
converted to GDK events.
When a filter is called, @event is unpopulated, except for
event->window. The filter may translate the native
event to a GDK event and store the result in @event, or handle it without
translation. If the filter translates the event and processing should
continue, it should return %GDK_FILTER_TRANSLATE.
Specifies the type of function used to filter native events before they are converted to GDK events.
When a filter is called, @event is unpopulated, except for event->window. The filter may translate the native event to a GDK event and store the result in @event, or handle it without translation. If the filter translates the event and processing should continue, it should return %GDK_FILTER_TRANSLATE.