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Understanding the Layout Process in Qt Widgets
Layout management and the layout flow in Qt Widgets
But since starting my work on Cahier roughly a year and a half ago, the balance has shifted towards user-facing software, so I’ve resumed my studies on UX and UI. But to approach this subject smoothly, it is instructive to consider how widget arrangement works when developers have to handle it manually, without using the more abstract facilities provided. When an item changes, it will invalidate its cache and post a recalculation request (represented by the LayoutRequest event) to the widget that contains the top level layout.
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