grid_menu.py 文件源码

def generate_widget(self, item):
        if isinstance(item, Separator):
            # Ignored here
            return None
        elif item.id is None:
            # Dummies are ignored as well
            return None
        else:
            icon_file, has_colors = find_icon(item.icon, False)
            if icon_file:
                # Gridmenu hides label when icon is displayed
                widget = Gtk.Button()
                widget.set_relief(Gtk.ReliefStyle.NONE)
                widget.set_name("osd-menu-item-big-icon")
                if isinstance(item, Submenu):
                    item.callback = self.show_submenu
                icon = MenuIcon(icon_file, has_colors)
                widget.add(icon)
                return widget
            else:
                return Menu.generate_widget(self, item)