Finds the first accelerator in accel_group that matches accel_key and accel_mods, and activates it.
the quark for the accelerator name
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
Finds the first accelerator in accel_group that matches accel_key and accel_mods, and activates it.