Here is a list of all documented enum values with links to the class documentation for each member:

KEY_1 : graphic::IKeyboard
KEY_CAPS_LOCK : graphic::IKeyboard
KEY_ESCAPE : graphic::IKeyboard
KEY_LEFT_ALT : graphic::IKeyboard
KEY_LEFT_SHIFT : graphic::IKeyboard
KEY_PAD_0 : graphic::IKeyboard
KEY_TAB : graphic::IKeyboard
KEY_UP : graphic::IKeyboard