window.py 文件源码

def on_open_file_activate(self, image_menu_item):
        """Opening of a file"""
        dialog = Gtk.FileChooserDialog(action=Gtk.FileChooserAction.OPEN)
        dialog.add_buttons(Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL,
            Gtk.STOCK_OPEN, Gtk.ResponseType.OK)
        dialog.set_transient_for(self.main_widget)
        file_filter = Gtk.FileFilter()
        file_filter.add_pattern("*.theatre")
        dialog.add_filter(file_filter)
        dialog.modal = True
        answer = dialog.run()
        try:
            if answer == Gtk.ResponseType.OK:
                self._open_file_callback(dialog.get_filename())
        finally:
            dialog.destroy()