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  1. Qt
  2. QTBUG-71618

[REG 5.5->5.9, 4.8->5.9] Scrollbar is not shown when use QAbstractItemView::ScrollPerPixel and viewport on QListView is set fixed height

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Details

    • Linux/X11, Windows

    Description

      Scrollbar is not shown with following conditions.

      1. Resize QListView::viewport() to less than contents with using setFixedHeight()
      2. Set QAbstractItemView::ScrollPerPixel for verticalScrollMode.

      Expected: Show scrollbar anytime even resizing window.

      Actual: Does not show scrollbar when launch app.

       

      It’s reproducible with attachment sample on Ubuntu, and sometime Windows 10. (On Windows 10, that reproduces if resizes window to expand)

       

      And if use QAbstractItemView::ScrollPerItem, it works normally.

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          resulted from

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-45470 Horizontal scroll bar is not shown in QListView with horizontalScrollBarPolicy and verticalScrollBarPolicy == Qt::ScrollBarAsNeeded

          • 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

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-61383 Scrollbar does not respect viewportMargins in QListWidget when using ViewMode=IconMode

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed
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              qt.team.quick.subscriptions Qt Quick and Widgets Team
              akizawa Akihito Izawa
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                Created:
                Updated:
                Resolved:

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