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Qt 5.14.2 QWindow context for linux, what windowing system does Qt use?

Unsolved General and Desktop

5 Posts 3 Posters 148 Views

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scott_craig
wrote on last edited by

#1

Does Qt use xlib or xcb for OS window handles? What does type winID() return on Linux?
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mrjj Lifetime Qt Champion
wrote on last edited by

#2

Hi
i think its xcb
https://doc.qt.io/qt-5/linux-requirements.html
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SGaist Lifetime Qt Champion
wrote on last edited by

#3

Hi,

It will depend on your distribution. Either xcb or wayland. But currently it's more likely to be xcb.
Interested in AI ? www.idiap.ch
Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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scott_craig
wrote on last edited by

#4

Thanks is the winID() always a pointer type?
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SGaist Lifetime Qt Champion
wrote on last edited by

#5

AFAIK, no. It's an identifier that is platform dependent.
Interested in AI ? www.idiap.ch
Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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