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  1. Qt
  2. QTBUG-9462

QMdiArea::subWindowActivated() is not emitted when an already visible top level widget is added to the QMdiArea

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    • Icon: Bug Bug
    • Resolution: Out of scope
    • Icon: P3: Somewhat important P3: Somewhat important
    • Some future release
    • 4.6.2
    • GUI: Workspace
    • None

      QMdiArea::subWindowActivated() is not emitted when an already visible top level widget is added to the QMdiArea. If it is added with QMdiArea::addSubWindow() without creating the subwindow for it then it does not emit the signal and two windows can end up appearing active inside the QMdiArea.

      However if it is added to a QMdiSubWindow first and then that is added to the QMdiArea then it works correctly.

      Attached is a patch to the mdi example to reproduce this problem, click on new file three times, then on save then on new again and see the bad behavior.

        1. patch.diff
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            dedietri Gabriel de Dietrich (drgvond)
            anshaw Andy Shaw (closed Nokia identity) (Inactive)
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              Resolved:

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