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  1. Qt
  2. QTBUG-62864

ListView scrolling behavior breaks when using lazy loading model

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    • a7880a0c92323ccb2f297a39a993a87e20d65e9c 96ec0ab8f0b2e53eff6e1887aff7e51601821845

    Description

      Changing current index with arrow keys makes highlight go outside of preferred highlight range on switching to the first loaded item after fetchMore() is called.

      Setting current index past the currently loaded part of the model doesn't make the view and the highlight scroll to a new index.

      See example application in attachment.

      Attachments

        1. lazy_model_test.zip
          3 kB
          Alex Busenius
        2. lazy_model_test2.zip
          3 kB
          Nikolai Gubarev
        3. Wrong highlight with 4.5 delegates.ogv
          1.07 MB
          Nikolai Gubarev
        4. Wrong highlight with 4 delegates.ogv
          621 kB
          Nikolai Gubarev

        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-61269 listview: appending item when highlight moving will result in not visible highlight

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

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-66163 [Regression] Populate animation on model assignment moves viewport

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed
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              srutledg Shawn Rutledge
              alexbusenius Alex Busenius
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              Dates

                Created:
                Updated:
                Resolved:

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