HOTKEY_CAMERA_MOVE	Camera move.
HOTKEY_CAMERA_SCALE	Camera scale
HOTKEY_CAMERA_ROTATE	Camera rotate.
HOTKEY_OBJECT_MOVE	Object move.
HOTKEY_OBJECT_SCALE	Object scale
HOTKEY_OBJECT_ROTATE	Object rotate.
HOTKEY_SELECT_FREE	Freehand selection.
HOTKEY_SELECT_LIVE	Live selection.
HOTKEY_SELECT_RECT	Rectangle selection.
HOTKEY_MODEL_SCALE	Model scale.
HOTKEY_ZOOM	Zoom.
HOTKEY_PARENT_MOVE	Parent object move.
HOTKEY_RESIZE_BRUSH	Resize brush.