keybinding.py 文件源码

def clicked(self, widget):
        if not self.teaching:
            Gdk.keyboard_grab(self.get_window(), False, Gdk.CURRENT_TIME)

            self.button.set_label(_("Pick an accelerator"))
            self.event_id = self.connect( "key-release-event", self.on_key_release )
            self.teaching = True
        else:
            if self.event_id:
                self.disconnect(self.event_id)
            self.ungrab()
            self.set_button_text()
            self.teaching = False