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Old 11-12-2019, 09:56 AM   #4
KevinH
Sigil Developer
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Hmm ...

Does it happen everytime or only when you cover/hide the dialog with another window before ever hitting OKAY or CANCEL?

I know Qt has issues with native backingstore on macOS going away when a window is even briefly completely hidden or minimized. Basically Mojave changed things so that when hidden the native widget backing widget is deleted which has to be caught by Qt and recreated when unhidden. No idea why macOS made that change in Mojave as it is not typical for how widgets work in most gui systems.

Please let me know what you find out. If it is backingstore related, then changing to non-native file dialogs probably will not help.

KevinH
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