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Mac dead keys and QInputMethodEvent

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qinputmethodevedead keysqwindowqwidgetmac os
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  • W Offline
    W Offline
    woolfman007
    wrote on last edited by
    #1

    Hey there Qt experts ;-)

    I have a rather special question: as far as I understood, dead key composition on the Mac is being done via the QInputMethodEvent. At least that's what I'm seeing in the debugger: if I enter a tilde ('~') for instance, I have to press space afterwards, to make it a distinct character. In that case, no QKeyEvents arrive, but a QInputMethodEvent if I finally press the space bar. It will then contain whatever char or string results from the composition. So far, so good. Only, I want to explicitly use this in a QWindow and not a QWidget. Don't suggest otherwise, I have no choice, I have to use QWindow. Alas, QWindow will not receive QInputMethodEvents. In my tilde case, some QKeyEvents arrive at the QWindow, one of them being typed as Qt::Key_unknown. So my question is: how can I achieve dead key composition on the Mac without using the QWidget system?

    thanks a bunch,
    Wolfgang

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    • SGaistS Offline
      SGaistS Offline
      SGaist
      Lifetime Qt Champion
      wrote on last edited by
      #2

      Hi,

      You could try with an eventFilter and handle QEvent::InputMethod in there

      Hope it helps

      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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