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Whole document tree             Sending events Typedefs typedef void  event_t typedef void (*  event_listener_t )(xine_t *xine, event_t *event, void *data) Functions int  xine_register_event_listener (xine_t *self, event_listener_t listener)   registers an event listener callback. int  xine_remove_event_listener (xine_t *self, event_listener_t listener)   Attempts to remove a registered event listener. void  xine_send_event (xine_t *self, event_t *event, void *data)   sends an event to all listeners. Detailed Description Event dispatcher mechanism Typedef Documentation typedef void(* event_listener_t)(xine_t *xine, event_t *event, void *data)   Event listener callback. See also: xine_register_event_listener, xine_remove_event_listener typedef void event_t   Opaque data type. See also: event_listener_t, xine_send_event Function Documentation int xine_register_event_listener ( xine_t * self, event_listener_t listener )   registers an event listener callback. Parameters: self   Current xine engine configuration ( see xine_init() ) listener   callback function. Returns: 0 if the listener was registerd, non-zero if it could not. See also: event_listener_t Parameters: self   listener   int xine_remove_event_listener ( xine_t * self, event_listener_t listener )   Attempts to remove a registered event listener. Parameters: self   Current xine engine configuration ( see xine_init() ) listener   callback function. Returns: 0 if the listener was removes, non-zero if it wasn't (e.g. not found). See also: event_listener_t Parameters: self   listener   void xine_send_event ( xine_t * self, event_t * event, void * data )   sends an event to all listeners. Parameters: self   Current xine engine configuration ( see xine_init() ) event   FILLME data   FILLME. See also: event_t Parameters: self   event   data