def trigger_command(self, key, key_type):
'''
A key has been pressed. Check if it is mapped to a command,
and send the command activation event if so.
'''
command = State.commands().get_action(key, key_type)
if command is not None:
self.dispatch_event('activate_command', command)
def on_click(self, model, button, modifiers):
action = State.commands().get(CommandBar.ACTIONS[self.selection_x]).action
if action is not None:
action(model)
