first.py 文件源码

def init_signals(self):
            if self.should_show:
                super(FIRSTUI.CheckAll, self).init_signals()
                self.tree_view.clicked.connect(self.tree_clicked)

                #   A reference is needed to the dialog or else it closes quickly
                #   after showing
                self.history_dialogs = []
                self.tree_view.setContextMenuPolicy(Qt.CustomContextMenu)
                self.tree_view.customContextMenuRequested.connect(self.custom_menu)