xdot.py 文件源码

def on_key_press_event(self, widget, event):
        if event.keyval == gtk.keysyms.Left:
            self.x -= self.POS_INCREMENT/self.zoom_ratio
            self.queue_draw()
            return True
        if event.keyval == gtk.keysyms.Right:
            self.x += self.POS_INCREMENT/self.zoom_ratio
            self.queue_draw()
            return True
        if event.keyval == gtk.keysyms.Up:
            self.y -= self.POS_INCREMENT/self.zoom_ratio
            self.queue_draw()
            return True
        if event.keyval == gtk.keysyms.Down:
            self.y += self.POS_INCREMENT/self.zoom_ratio
            self.queue_draw()
            return True
        if event.keyval == gtk.keysyms.Page_Up:
            self.zoom_image(self.zoom_ratio * self.ZOOM_INCREMENT)
            self.queue_draw()
            return True
        if event.keyval == gtk.keysyms.Page_Down:
            self.zoom_image(self.zoom_ratio / self.ZOOM_INCREMENT)
            self.queue_draw()
            return True
        if event.keyval == gtk.keysyms.Escape:
            self.drag_action.abort()
            self.drag_action = NullAction(self)
            return True
        if event.keyval == gtk.keysyms.r:
            self.reload()
            return True
        if event.keyval == gtk.keysyms.q:
            gtk.main_quit()
            return True
        return False