Uploaded image for project: 'Qt'
  1. Qt
  2. QTBUG-68977

QListView with millions of items slow with keyboard scrolling

    XMLWordPrintable

Details

    • 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. main.cpp
          2 kB
        2. QTBUG-68977.zip
          4 kB
        For Gerrit Dashboard: QTBUG-68977
        # Subject Branch Project Status CR V

        Activity

          People

            chehrlic Christian Ehrlicher
            jpo38 Jean Porcherot
            Votes:
            1 Vote for this issue
            Watchers:
            3 Start watching this issue

            Dates

              Created:
              Updated:
              Resolved:

              Gerrit Reviews

                There are no open Gerrit changes