signal callback delegate or function to connect
void callback(uint keyval, uint keycode, gdk.types.ModifierType state, gtk.event_controller_key.EventControllerKey eventControllerKey)
keyval the released key. (optional)
keycode the raw code of the released key. (optional)
state the bitmask, representing the state of modifier keys and pointer buttons. (optional)
eventControllerKey the instance the signal is connected to (optional)
Yes.After to execute callback after default handler, No.After to execute before (default)
Signal ID
Connect to KeyReleased signal.
Emitted whenever a key is released.