add_key_grab

Description:

[ NoWrapper ]
public virtual void add_key_grab (KeyDefinition kd)

this	the device.
kd	a KeyDefinition specifying the key code to grab.
callback	the function to call when the given key is pressed.
callback_destroyed	callback function to be called when `callback` is destroyed.
user_data	Data to be passed to `callback`.

an identifier that can be later used to remove the grab. Add a key grab for the given key/modifier combination.