main.py 文件源码

def treeview_clicked(self, widget, event):
        """Responds to right click events on the TreeView."""
        if event.button == 3:
            store, course_iter = widget.get_selection().get_selected()
            course_id = store.get(course_iter, 4)[0] 
            self.selected_id = course_id  
            self.selected_course = self.course_manager.courses[course_id]

            self.edit_menu.popup(None, None, None, None, event.button, event.time)