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Editorial Team
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Asked: 2026-05-23T08:04:42+00:00

I want to Simulate a QKeyEvent on the Currently Focused Widget. That widget Might

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I want to Simulate a QKeyEvent on the Currently Focused Widget. That widget Might not belong to My Application even the widget may not be an Qt Widget at all. I just want to Simulate a QKeyEvent On Whatever Widget In Focus now.

I’ve tried QApplication::postEvent(DG::Util::_desktopWidget, ev);
Where DG::Util::_desktopWidget is the Primary Desktop Widget

QDesktopWidget* desktopWidget = new QDesktopWidget;
DG::Util::_desktopWidget = desktopWidget->screen(desktopWidget->primaryScreen());

But This doesn’t work.

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1 Answer

  1. Editorial Team

    With Qt you can only control widgets belonging to your app.
    Therefore you can’t send QKeyEvent to non-Qt apps, or Qt apps which are different processes.

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