actionbar.py 文件源码

def _on_size_allocate(self, widget, allocation):
        # FIXME: mvo: allocation.height is no longer accessable with gtk3
        #        THIS SEEMS TO BREAK THE ANIMATION
        #height = allocation.height
        height = widget.get_allocation().height
        if self._is_sliding_in:
            self._current_height = height
            GObject.timeout_add(self.ANIMATE_STEP_INTERVAL,
                                self._slide_in_cb,
                                priority=100)
        elif self._is_sliding_out:
            self._current_height = height
            GObject.timeout_add(self.ANIMATE_STEP_INTERVAL,
                                self._slide_out_cb,
                                priority=100)
        else:
            self.queue_draw()