rv.py 文件源码

def list_context_menu(self, pos):
        """
        """
        menu = QtGui.QMenu(self.listWidget)
        delete_action = menu.addAction("Delete")
        any_selected = len(self.listWidget.selectionModel().selectedRows()) > 0
        if not any_selected:
            delete_action.setEnabled(False)
        action = menu.exec_(self.listWidget.mapToGlobal(pos))
        if action == delete_action:
            self.delete_current_line()
        return None