#Called when the user presses a mouse button.
def on_mouse_press(self, x, y, button, key_modifiers):
    pass

#Called when the user presses a mouse button.
def on_mouse_release(self, x: float, y: float, button: int, modifiers: int):
    pass

#User moves mouse
def on_mouse_motion(self, x: float, y: float, dx: float, dy: float):
    pass