Qt Designer on high DPI screens



  • How do you guys design in Qt Designer on hi dpi screens? Qt Designer is dpi-aware application so everything is scaled already in design-mode. But once you launch it, the app appears 4-times as big. Scaled twice, or even thrice. How to avoid it?

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  • Qt Creator seem having same problem. No matter what screen you are using to use designer, Qt::AA_EnableHighDpiScaling assumes that the form was designed at 72 DPI, though it's ancient. Standard DPI is 96 DPI. How can i let Qt::AA_EnableHighDpiScaling know which is base DPI it should rely on to scale?


  • Lifetime Qt Champion

    Hi and welcome to devnet,

    I'd recommend posting this question to the Qt Creator mailing list. You'll find there Qt Creator's developers/maintainers. This forum is more user oriented.


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