notepad_menubar.py 文件源码

def init_menu_file(self):
        # Action ??
        # ? ??
        self.act_new_file = QAction(self)
        self.act_new_file.setShortcut(QKeySequence('Ctrl+N'))
        self.act_new_file.triggered.connect(lambda : self.sig_new_file.emit())
        # self.act_new_file.triggered.emmit(self.slot_new)
        # ??
        self.act_open_file = QAction(self)
        self.act_open_file.setShortcut(QKeySequence('Ctrl+O'))
        self.act_open_file.triggered.connect(lambda : self.sig_open_file.emit())
        # ??
        self.act_save_file = QAction(self)
        self.act_save_file.setShortcut(QKeySequence('Ctrl+S'))
        self.act_save_file.triggered.connect(lambda : self.sig_save_file.emit())
        # ?? ???? ??
        self.act_save_as_file = QAction(self)
        self.act_save_as_file.triggered.connect(self.slot_save_as)
        # ??? ??
        self.act_page_setup = QAction(self)
        self.act_page_setup.setShortcut(QKeySequence('Ctrl+S'))
        self.act_page_setup.triggered.connect(lambda : self.sig_page_setup.emit())
        # ???
        self.act_print = QAction(self)
        self.act_print.setShortcut(QKeySequence('Ctrl+P'))
        self.act_print.triggered.connect(lambda : self.sig_print.emit())
        # ???
        self.act_quit = QAction(self.tr('Exit') + "(&X)", self)
        self.act_quit.triggered.connect(lambda : self.sig_exit.emit())
        # ??? ?? ? ?? ??
        # addAction? ??? ??

        self.menu_file = self.addMenu(self.tr("File") + "(&F)")
        self.menu_file.addAction(self.act_new_file)
        self.menu_file.addAction(self.act_open_file)
        self.menu_file.addAction(self.act_save_file)
        self.menu_file.addAction(self.act_save_as_file)
        self.menu_file.addSeparator()
        self.menu_file.addAction(self.act_page_setup)
        self.menu_file.addAction(self.act_print)
        self.menu_file.addSeparator()
        self.menu_file.addAction(self.act_quit)