Python gtk 模块，CheckMenuItem() 实例源码

def on_populate_popup(self, treeview, menu):
        '''Add popup menu options.'''
        menu.prepend(gtk.SeparatorMenuItem())

        # Add menu with view options.
        view_menu = gtk.Menu()
        # Add options to show tags and tagged pages.
        items = ( (_('Show only Pages with Tags'), self._show_tagged,
                   lambda o: self.toggle_show_tagged()),
                  (_('Show Tags'), self.uistate['show tags'],
                   lambda o: self.toggle_show_tags()) )
        for name, active, func in items:
            item = gtk.CheckMenuItem(name)
            item.set_active(active)
            item.connect('activate', func)
            view_menu.append(item)
        view_menu.append(gtk.SeparatorMenuItem())

        # Add options to switch between views.
        def _change_view(item, event):
            self.uistate['Open pages'] = item.zim_view
            self.treeview.change_view(self.uistate['Open pages'])

        items = ( (_('Default'), 'default'),
                  (_('Collapse other Pages'), 'collapse'),
                  (_('Disable'), 'disable') )
        item = None
        for name, view in items:
            item = gtk.RadioMenuItem(group = item, label = name)
            if view == self.uistate['Open pages']:
                item.set_active(True)
            item.zim_view = view
            item.connect('button-release-event', _change_view)
            view_menu.append(item)

        item = gtk.MenuItem('View')
        item.set_submenu(view_menu)
        menu.prepend(item)

        menu.show_all()

def on_populate_popup(self, treeview, menu):
        '''Add popup menu options.'''
        menu.prepend(gtk.SeparatorMenuItem())

        # Add menu with view options.
        view_menu = gtk.Menu()
        # Add options to show tags and tagged pages.
        items = ( (_('Show only Pages with Tags'), self._show_tagged,
                   lambda o: self.toggle_show_tagged()),
                  (_('Show Tags'), self.uistate['show tags'],
                   lambda o: self.toggle_show_tags()) )
        for name, active, func in items:
            item = gtk.CheckMenuItem(name)
            item.set_active(active)
            item.connect('activate', func)
            view_menu.append(item)
        view_menu.append(gtk.SeparatorMenuItem())

        # Add options to switch between views.
        def _change_view(item, event):
            self.uistate['Open pages'] = item.zim_view
            self.treeview.change_view(self.uistate['Open pages'])

        items = ( (_('Default'), 'default'),
                  (_('Collapse other Pages'), 'collapse'),
                  (_('Disable'), 'disable') )
        item = None
        for name, view in items:
            item = gtk.RadioMenuItem(group = item, label = name)
            if view == self.uistate['Open pages']:
                item.set_active(True)
            item.zim_view = view
            item.connect('button-release-event', _change_view)
            view_menu.append(item)

        item = gtk.MenuItem('View')
        item.set_submenu(view_menu)
        menu.prepend(item)

        menu.show_all()

def on_gremlin_clicked(self, widget, event, data=None):
        if event.type == gtk.gdk._2BUTTON_PRESS:
            self.clear_live_plotter()

# Settings
        if event.type == gtk.gdk.BUTTON_PRESS and event.button == 3:

            menu = gtk.Menu()

            program_alpha = gtk.CheckMenuItem("Program alpha")
            program_alpha.set_active(self.program_alpha)
            program_alpha.connect("activate", self.toggle_program_alpha)
            menu.append(program_alpha)

            show_limits = gtk.CheckMenuItem("Show limits")
            show_limits.set_active(self.show_limits)
            show_limits.connect("activate", self.toggle_show_limits)
            menu.append(show_limits)

            show_extents = gtk.CheckMenuItem("Show extents")
            show_extents.set_active(self.show_extents_option)
            show_extents.connect("activate", self.toggle_show_extents_option)
            menu.append(show_extents)

            live_plot = gtk.CheckMenuItem("Show live plot")
            live_plot.set_active(self.show_live_plot)
            live_plot.connect("activate", self.toggle_show_live_plot)
            menu.append(live_plot)

#            lathe = gtk.CheckMenuItem("Lathe mode")
#            lathe.set_active(self.lathe_option )
#            lathe.connect("activate", self.toggle_lathe_option)
#            menu.append(lathe)

            menu.popup(None, None, None, event.button, event.time)
            menu.show_all()

def create_menu(self):
        menu = gtk.Menu()

        self.add_menu_item("_Pause f.lux", self._toggle_pause,
                menu, MenuItem=gtk.CheckMenuItem)
        self.add_menu_item("Prefere_nces", self._open_preferences, menu)
        self.add_menu_separator(menu)
        self.add_menu_item("Quit", self._quit, menu)

        return menu