(* GdkFilterFunc) (
  GdkXEvent* xevent,
  GdkEvent* event,
  gpointer data

Description [src]

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.


xevent GdkXEvent

The native event to filter.

 The data is owned by the caller of the function.
event GdkEvent

The GDK event to which the X event will be translated.

 The data is owned by the caller of the function.
data gpointer

User data set when the filter was installed.

Return value

Returns: GdkFilterReturn

A GdkFilterReturn value.