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  1. Qt
  2. QTBUG-52594

Make a platform-aware qWaitForWindowExposed()/Active()

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    • Icon: Task Task
    • Resolution: Unresolved
    • Icon: P2: Important P2: Important
    • None
    • 5.7
    • Testing: qtestlib
    • All

      Many of our autotests have been lately failed in qWaitForWindowExposed()/Active() and this is beginning to be a big problem, since it slows down the CI. This is not macOS problem only, but it affects all platforms. Every platform has it's own interpretation of when a window is exposed. See: https://bugreports.qt.io/browse/QTBUG-53252

      At least the following tests are failing:
      tst_qdialog, tst_qmdisubwindow, tst_qmdiarea

      At the moment qWaitForWindowExposed() is implemented in terms of QWindow::isExposed() and QExposeEvent. However the desired behavior here might be slightly different: The expose event is sent just before the window becomes visible on screen (Qt needs to draw a frame then so we have something to display on screen), while qWaitForWindowExposed() probably wants to wait until after the window has become visible and is stable.

        1.
        		 Deprecate QTest::qWait Technical task Reported Jason McDonald
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            vestbo Tor Arne Vestbø
            mipohjan Milla Pohjanheimo
            Veli-Pekka Heinonen Veli-Pekka Heinonen
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