How to use the qtconsole.qt.QtGui.QAction function in qtconsole

def init_view_menu(self):
        self.view_menu = self.menuBar().addMenu("&View")

        if sys.platform != 'darwin':
            # disable on OSX, where there is always a menu bar
            self.toggle_menu_bar_act = QtGui.QAction("Toggle &Menu Bar",
                self,
                shortcut="Ctrl+Shift+M",
                statusTip="Toggle visibility of menubar",
                triggered=self.toggle_menu_bar)
            self.add_menu_action(self.view_menu, self.toggle_menu_bar_act)

        fs_key = "Ctrl+Meta+F" if sys.platform == 'darwin' else "F11"
        self.full_screen_act = QtGui.QAction("&Full Screen",
            self,
            shortcut=fs_key,
            statusTip="Toggle between Fullscreen and Normal Size",
            triggered=self.toggleFullScreen)
        self.add_menu_action(self.view_menu, self.full_screen_act)

        self.view_menu.addSeparator()

def init_window_menu(self):
        self.window_menu = self.menuBar().addMenu("&Window")
        if sys.platform == 'darwin':
            # add min/maximize actions to OSX, which lacks default bindings.
            self.minimizeAct = QtGui.QAction("Mini&mize",
                self,
                shortcut="Ctrl+m",
                statusTip="Minimize the window/Restore Normal Size",
                triggered=self.toggleMinimized)
            # maximize is called 'Zoom' on OSX for some reason
            self.maximizeAct = QtGui.QAction("&Zoom",
                self,
                shortcut="Ctrl+Shift+M",
                statusTip="Maximize the window/Restore Normal Size",
                triggered=self.toggleMaximized)

            self.add_menu_action(self.window_menu, self.minimizeAct)
            self.add_menu_action(self.window_menu, self.maximizeAct)
            self.window_menu.addSeparator()

        prev_key = "Ctrl+Alt+Left" if sys.platform == 'darwin' else "Ctrl+PgUp"

self.increase_font_size = QtGui.QAction("Zoom &In",
            self,
            shortcut=QtGui.QKeySequence.ZoomIn,
            triggered=self.increase_font_size_active_frontend
            )
        self.add_menu_action(self.view_menu, self.increase_font_size, True)

        self.decrease_font_size = QtGui.QAction("Zoom &Out",
            self,
            shortcut=QtGui.QKeySequence.ZoomOut,
            triggered=self.decrease_font_size_active_frontend
            )
        self.add_menu_action(self.view_menu, self.decrease_font_size, True)

        self.reset_font_size = QtGui.QAction("Zoom &Reset",
            self,
            shortcut="Ctrl+0",
            triggered=self.reset_font_size_active_frontend
            )
        self.add_menu_action(self.view_menu, self.reset_font_size, True)

        self.view_menu.addSeparator()

        self.clear_action = QtGui.QAction("&Clear Screen",
            self,
            shortcut='Ctrl+L',
            statusTip="Clear the console",
            triggered=self.clear_active_frontend)
        self.add_menu_action(self.view_menu, self.clear_action)

        self.pager_menu = self.view_menu.addMenu("&Pager")

shortcut=QtGui.QKeySequence.Undo,
            statusTip="Undo last action if possible",
            triggered=self.undo_active_frontend
            )
        self.add_menu_action(self.edit_menu, self.undo_action)

        self.redo_action = QtGui.QAction("&Redo",
            self,
            shortcut=QtGui.QKeySequence.Redo,
            statusTip="Redo last action if possible",
            triggered=self.redo_active_frontend)
        self.add_menu_action(self.edit_menu, self.redo_action)

        self.edit_menu.addSeparator()

        self.cut_action = QtGui.QAction("&Cut",
            self,
            shortcut=QtGui.QKeySequence.Cut,
            triggered=self.cut_active_frontend
            )
        self.add_menu_action(self.edit_menu, self.cut_action, True)

        self.copy_action = QtGui.QAction("&Copy",
            self,
            shortcut=QtGui.QKeySequence.Copy,
            triggered=self.copy_active_frontend
            )
        self.add_menu_action(self.edit_menu, self.copy_action, True)

        self.copy_raw_action = QtGui.QAction("Copy (&Raw Text)",
            self,
            shortcut="Ctrl+Shift+C",

self.paste_action = QtGui.QAction("&Paste",
            self,
            shortcut=QtGui.QKeySequence.Paste,
            triggered=self.paste_active_frontend
            )
        self.add_menu_action(self.edit_menu, self.paste_action, True)

        self.edit_menu.addSeparator()

        selectall = QtGui.QKeySequence(QtGui.QKeySequence.SelectAll)
        if selectall.matches("Ctrl+A") and sys.platform != 'darwin':
            # Only override the default if there is a collision.
            # Qt ctrl = cmd on OSX, so the match gets a false positive on OSX.
            selectall = "Ctrl+Shift+A"
        self.select_all_action = QtGui.QAction("Select Cell/&All",
            self,
            shortcut=selectall,
            triggered=self.select_all_active_frontend
            )
        self.add_menu_action(self.edit_menu, self.select_all_action, True)

def init_file_menu(self):
        self.file_menu = self.menuBar().addMenu("&File")

        self.new_kernel_tab_act = QtGui.QAction("New Tab with &New kernel",
            self,
            shortcut="Ctrl+T",
            triggered=self.create_tab_with_new_frontend)
        self.add_menu_action(self.file_menu, self.new_kernel_tab_act)

        self.slave_kernel_tab_act = QtGui.QAction("New Tab with Sa&me kernel",
            self,
            shortcut="Ctrl+Shift+T",
            triggered=self.create_tab_with_current_kernel)
        self.add_menu_action(self.file_menu, self.slave_kernel_tab_act)

        self.existing_kernel_tab_act = QtGui.QAction("New Tab with &Existing kernel",
                                                     self,
                                                     shortcut="Alt+T",
                                                     triggered=self.create_tab_with_existing_kernel)
        self.add_menu_action(self.file_menu, self.existing_kernel_tab_act)

        self.file_menu.addSeparator()

        self.close_action=QtGui.QAction("&Close Tab",
            self,
            shortcut=QtGui.QKeySequence.Close,

# Qt ctrl = cmd on OSX, so the match gets a false positive on OSX.
            printkey = "Ctrl+Shift+P"
        action.setShortcut(printkey)
        action.setShortcutContext(QtCore.Qt.WidgetWithChildrenShortcut)
        action.triggered.connect(self.print_)
        self.addAction(action)
        self.print_action = action

        action = QtGui.QAction('Save as HTML/XML', None)
        action.setShortcut(QtGui.QKeySequence.Save)
        action.setShortcutContext(QtCore.Qt.WidgetWithChildrenShortcut)
        action.triggered.connect(self.export_html)
        self.addAction(action)
        self.export_action = action

        action = QtGui.QAction('Select All', None)
        action.setEnabled(True)
        selectall = QtGui.QKeySequence(QtGui.QKeySequence.SelectAll)
        if selectall.matches("Ctrl+A") and sys.platform != 'darwin':
            # Only override the default if there is a collision.
            # Qt ctrl = cmd on OSX, so the match gets a false positive on OSX.
            selectall = "Ctrl+Shift+A"
        action.setShortcut(selectall)
        action.setShortcutContext(QtCore.Qt.WidgetWithChildrenShortcut)
        action.triggered.connect(self.select_all)
        self.addAction(action)
        self.select_all_action = action

        self.increase_font_size = QtGui.QAction("Bigger Font",
                self,
                shortcut=QtGui.QKeySequence.ZoomIn,
                shortcutContext=QtCore.Qt.WidgetWithChildrenShortcut,

self,
            shortcut=QtGui.QKeySequence.Redo,
            statusTip="Redo last action if possible",
            triggered=self.redo_active_frontend)
        self.add_menu_action(self.edit_menu, self.redo_action)

        self.edit_menu.addSeparator()

        self.cut_action = QtGui.QAction("&Cut",
            self,
            shortcut=QtGui.QKeySequence.Cut,
            triggered=self.cut_active_frontend
            )
        self.add_menu_action(self.edit_menu, self.cut_action, True)

        self.copy_action = QtGui.QAction("&Copy",
            self,
            shortcut=QtGui.QKeySequence.Copy,
            triggered=self.copy_active_frontend
            )
        self.add_menu_action(self.edit_menu, self.copy_action, True)

        self.copy_raw_action = QtGui.QAction("Copy (&Raw Text)",
            self,
            shortcut="Ctrl+Shift+C",
            triggered=self.copy_raw_active_frontend
            )
        self.add_menu_action(self.edit_menu, self.copy_raw_action, True)

        self.paste_action = QtGui.QAction("&Paste",
            self,
            shortcut=QtGui.QKeySequence.Paste,

triggered=self.toggleMaximized)

            self.add_menu_action(self.window_menu, self.minimizeAct)
            self.add_menu_action(self.window_menu, self.maximizeAct)
            self.window_menu.addSeparator()

        prev_key = "Ctrl+Alt+Left" if sys.platform == 'darwin' else "Ctrl+PgUp"
        self.prev_tab_act = QtGui.QAction("Pre&vious Tab",
            self,
            shortcut=prev_key,
            statusTip="Select previous tab",
            triggered=self.prev_tab)
        self.add_menu_action(self.window_menu, self.prev_tab_act)

        next_key = "Ctrl+Alt+Right" if sys.platform == 'darwin' else "Ctrl+PgDown"
        self.next_tab_act = QtGui.QAction("Ne&xt Tab",
            self,
            shortcut=next_key,
            statusTip="Select next tab",
            triggered=self.next_tab)
        self.add_menu_action(self.window_menu, self.next_tab_act)

        self.rename_window_act = QtGui.QAction("Rename &Window",
                                               self,
                                               shortcut="Alt+R",
                                               statusTip="Rename window",
                                               triggered=self.set_window_title)
        self.add_menu_action(self.window_menu, self.rename_window_act)


        self.rename_current_tab_act = QtGui.QAction("&Rename Current Tab",
                                                    self,