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  1. Qt
  2. QTBUG-64219

[REG 5.5.1->5.6.0] Removing and adding rows breaks ListView content positioning

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    • 9cb3bc655a42f386607316d228a64422d453b201

    Description

      Commit 35d8d060b8621cfd17f92f9c632d99ceceb9acaa in qtdeclarative causes the list in ListView to start from odd position if the view was scrolled before the rows were re-added.

      To reproduce:

      • run attached example
      • click red rectangle (scrolls view to bottom)
      • click blue rectangle (to remove and append)

      Notice that the viewport is not at the same point is was before and also note that at the same time contentY has not changed, but still there are items beneath. Also contentHeight has not changed, but scrolling to very top shows that the list does not start at 0 and also the end of it moves beyond contentHeight.

      Attachments

        1. fancier.qml
          3 kB
        2. qtbug64219.tar.gz
          1 kB

        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-56461 ListView - contentY goes crazy

          • P4: Low - Would be nice to fix, but it's not very important.
          • Reported

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-20927 ListView: contentY is wrong when first item is removed

          • Not Evaluated - Not yet evaluated/prioritized
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-27884 Wrong update contentY if operate with first item in ListView

          • Not Evaluated - Not yet evaluated/prioritized
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-54436 QML ListView - contentY not refreshed after removing row

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed
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              srutledg Shawn Rutledge
              poikelin Joni Poikelin
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              Dates

                Created:
                Updated:

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