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  1. Qt
  2. QTBUG-68977

QListView with millions of items slow with keyboard scrolling

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    • 43ed09fed59d55a8792fad87ef9a75382b5c60ff

    Description

      When a view has millions of elements, scrolling with the scrollbar is fast, however, scrolling by using up/down arrow is slow.

      This stackoverflow post is a very good summary of the bug: https://stackoverflow.com/questions/32449642/qlistview-with-millions-of-items-slow-with-keyboard

      This stackoverflow answer analyses the problem: https://stackoverflow.com/a/50904999/3336423

      The slow behavior was introduced by the fix of QTBUG-21804

      Attachments

        1. QTBUG-68977.zip
          4 kB
        2. main.cpp
          2 kB
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            chehrlic Christian Ehrlicher
            jpo38 Jean Porcherot
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            Dates

              Created:
              Updated:
              Resolved:

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