Finds the first accelerator in any GtkAccelGroup attached to object that matches accel_key and accel_mods, and activates that accelerator.
the GObject, usually a GtkWindow, on which to activate the accelerator.
accelerator keyval from a key event
keyboard state mask from a key event
TRUE if an accelerator was activated and handled this keypress
See Implementation
Finds the first accelerator in any GtkAccelGroup attached to object that matches accel_key and accel_mods, and activates that accelerator.