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  1. Qt
  2. QTBUG-57577

Windows: Drag and drop through touch sometimes gets stuck with -platform windows:nomousefromtouch

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Details

    • 31e7790102 (qt/qtbase/dev) 31e7790102 (qt/tqtc-qtbase/dev) f35ad8f32f (qt/tqtc-qtbase/6.2) 97c95f606f (qt/qtbase/6.4) 97c95f606f (qt/tqtc-qtbase/6.4) 97c95f606f (qt/tqtc-qtbase/6.4.1) 97c95f606f (qt/tqtc-qtbase/tqtc/qtinsight-6.4)

    Description

      To reproduce:

      • Start Drag and Drop Puzzle example with: 
        -platform windows:nomousefromtouch
      • Drag and drop pieces

      After few pieces it seems to become unresponsive to touch events. If mouse is moved, it immediately starts to work again and this is thrown into debug output:

      QDragManager::drag in possibly invalid state

      Attachments

        1. qtbug57577_diag.diff
          4 kB
          Friedemann Kleint
        2. qtbug57577.zip
          2 kB
          Friedemann Kleint

        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-106368 Wrong Usage of DoDragDrop() Causes Drag and Drop via Touch to Hang

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed
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          Activity

            People

              anrocha André De La Rocha (Inactive)
              poikelin Joni Poikelin
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              Dates

                Created:
                Updated:
                Resolved: