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  1. Qt
  2. QTBUG-122394

Crash when using QDockWidget

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Details

    • Windows
    • a910daf52 (dev), 4809d41e6 (6.7), 80746b6f6 (tqtc/lts-6.5)

    Description

      1. Compile an run the attached sample (it opens main window with 2 tabbed QDockWidgetss)
      2. Dragging or using RMB undock both QDockWidgets and make them floating
      3. Dragging one of the windows dock them together in floating window
      4. Again undock both of them with RMB
      5. Move the windows again and see stray window appear
      6. Try docking them again -> CRASH (or assert in debug)

       

      Video called CrashVideo.mp4 shows how to re-produce the crash using the attached example.

       

      Attachments

        1. 6.6.2-Crash.mp4
          6.65 MB
        2. CrashVideo.mp4
          6.85 MB
        3. main.cpp
          1 kB
        4. StackAtTimeOfCrash.PNG
          StackAtTimeOfCrash.PNG
          57 kB

        Issue Links

          duplicates

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-99136 QDockWidget not correctly parented/setup if dragged from another floating and tabified QDockWidget

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
          • Closed
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              axelspoerl Axel Spoerl
              grzegorz.plonka Grzegorz Plonka
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              Dates

                Created:
                Updated:
                Resolved:

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