![]() What this means in English, is that you can define multiple interface elements within a single object, unified by the effect that interacting with that element has. ![]() QAction is a class that provides a way to describe abstract user interfaces. We could just add a QButton widget, but there is a better approach in Qt that gets you some additional features - and that is via QAction. We should make the toolbar a bit more interesting. So as a general rule you want to either keep one toolbar un-removeable, or provide an alternative interface in the menus to turn toolbars on and off. How can I get my toolbar back!? Unfortunately once you remove a toolbar there is now no place to right click to re-add it. Right click and click the name to toggle it off. ![]() Run it! You'll see a thin grey bar at the top of the window.
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