event.py 文件源码

def _mousemove_cb(self, widget, event):
        # From http://www.learningpython.com/2006/07/25/writing-a-custom-widget-using-pygtk/
        # if this is a hint, then let's get all the necessary 
        # information, if not it's all we need.
        if event.is_hint:
            win, x, y, state = event.window.get_device_position(event.device)
        else:
            x = event.x
            y = event.y
            state = event.get_state()

        rel = (x - self.__mouse_pos[0], y - self.__mouse_pos[1])
        self.__mouse_pos = (x, y)

        self.__button_state = [
            state & Gdk.ModifierType.BUTTON1_MASK and 1 or 0,
            state & Gdk.ModifierType.BUTTON2_MASK and 1 or 0,
            state & Gdk.ModifierType.BUTTON3_MASK and 1 or 0,
        ]

        evt = pygame.event.Event(pygame.MOUSEMOTION,
                                 pos=self.__mouse_pos, rel=rel, buttons=self.__button_state)
        self._post(evt)
        return True