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Qt 6.9 - maximumFlickVelocity and flickDeceleration not working

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  • K Offline
    K Offline
    krasko
    wrote on last edited by
    #1

    Hi there! In our app we have set maximumFlickVelocity and flickDeceleration to 1500 and 5000 to slow down the scrolling of Flickables, ListVews and GridViews because Qt's default values result in a scrolling experience that is too fast for our liking. This works great in Qt versions up to and including 6.3. Now we are switching to 6.9 and not only is Qt 6.9's scrolling too slow, but none of maximumFlickVelocity and flickDeceleration has any effect. I tried setting both to a various values (small, medium and large) and didn't see a single difference. Any clues as to what is going on? Many thanks.

    jsulmJ 1 Reply Last reply
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    • K krasko

      Hi there! In our app we have set maximumFlickVelocity and flickDeceleration to 1500 and 5000 to slow down the scrolling of Flickables, ListVews and GridViews because Qt's default values result in a scrolling experience that is too fast for our liking. This works great in Qt versions up to and including 6.3. Now we are switching to 6.9 and not only is Qt 6.9's scrolling too slow, but none of maximumFlickVelocity and flickDeceleration has any effect. I tried setting both to a various values (small, medium and large) and didn't see a single difference. Any clues as to what is going on? Many thanks.

      jsulmJ Offline
      jsulmJ Offline
      jsulm
      Lifetime Qt Champion
      wrote on last edited by
      #2

      @krasko Did you check Qt bug tracker (whether this was already reported). You can create a bug ticket there if it was not yet reported.
      You also should mention on which platform this happens.

      https://forum.qt.io/topic/113070/qt-code-of-conduct

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      • K Offline
        K Offline
        krasko
        wrote on last edited by
        #3

        @jsulm I didn't but I did now and it is indeed a behavior that was changed and there are bugs logged already.

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