Action Key — Mode _hot_

1. Executive Summary Action Key Mode transforms a standard modifier key (e.g., Left Alt , Caps Lock , or a dedicated thumb key) into a temporary mode switch . While held, every other key press performs a secondary, high-value action rather than its default character or command. Release the Action Key, and the system returns instantly to the default mode.

– The same physical key always does the same action when the thumb is down. That’s easier than remembering different modifier positions (Ctrl vs Alt vs Win). action key mode

if key == ACTION_KEY: action_key_pressed = pressed if pressed: show_action_mode_hint() else: hide_action_mode_hint() return True # consume event, do not pass to default handler do not pass to default handler