Navigator does not show custom actions in the navigator title bar pull-down menu.
导航器无法在导航器标题栏下拉菜单中显示定制的动作。
This add-on simply allows you to place it wherever you want, and even make it available while in full screen mode, or still to have it even when you choose to show the menu bar.
这个附加组件允许你把它放在任何你觉得合适的地方，甚至会在全屏幕模式也可以使用，甚至选择显示菜单栏时还可以保留它。
The main frame will select the toolbar to show each time it selects the menu bar.
主框架每次选择菜单栏时也会选择工具栏来显示。
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