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  1. Qt
  2. QTBUG-81315

[Reg->5.12.6] Crash when showing a hidden dialog with size grip again on Secondary Monitor

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Details

    • Windows
    • 07c33ab76f353f6dbb6103d7777cbef242b8f3f7 (qt/qtbase/5.12)

    Description

      Whan a dialog has been created on a primiary screen and then moved to secondory monitor and then closed. Application crashes if closed dialog is shown again.

      Attached example reproduces it with following steps:
      Run the application
      show the dilaog with button press
      move the dialog to second monitor and then close it.
      Try to show dialog again from application on primary monitor.

      This does not happen if dialog->setSizeGripEnabled(true); is removed. This works good with 5.12.5

      Attachments

        1. qtbug81315_stack.txt
          13 kB
        2. qtbug81315.tar.gz
          341 kB
        3. qtbug81315.zip
          3 kB
        For Gerrit Dashboard: QTBUG-81315
        # Subject Branch Project Status CR V
        286417,3 Guard against null-nativeParent in QWidgetBackingStore::markDirtyOnScreen 5.12 qt/qtbase Status: MERGED +2 0

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          People

            qt.team.quick.subscriptions Qt Quick and Widgets Team
            irfan.omair@digia.com Irfan Omair
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            Dates

              Created:
              Updated:
              Resolved:

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