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Logic behind functionality implementation in Qt framework

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  • E Offline
    E Offline
    Eligijus
    wrote on 8 May 2017, 06:02 last edited by
    #1

    Hello,
    I have a device that can't make use of Qt framework and I need to implement some stuff that Qt has already implemented.
    I know that Qt is opensource and I can look into code and reverse engineer it into something that I want. But the problem is that Qt is big and covers a lot of concepts. For instance QScroller base implementation is quite simple: one calculates velocity of mouse and then calculates kinetic energy to get scroller stopping position but screen size, smoothing, easing, overshooting calculations and abstraction layers make it really difficult to understand that code :).
    And here I am wondering is there some blog or documentation on how Qt implements stuff?

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    • S Offline
      S Offline
      SGaist
      Lifetime Qt Champion
      wrote on 8 May 2017, 06:44 last edited by
      #2

      Hi,

      For the lower level details, you should rather ask on the interest mailing list or the #qt irc channel. You'll find there Qt's developers/maintainers. This forum is more user oriented.

      Out of curiosity, why can't you make use of Qt on that device ?

      Interested in AI ? www.idiap.ch
      Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

      E 1 Reply Last reply 8 May 2017, 07:37
      1
      • S SGaist
        8 May 2017, 06:44

        Hi,

        For the lower level details, you should rather ask on the interest mailing list or the #qt irc channel. You'll find there Qt's developers/maintainers. This forum is more user oriented.

        Out of curiosity, why can't you make use of Qt on that device ?

        E Offline
        E Offline
        Eligijus
        wrote on 8 May 2017, 07:37 last edited by
        #3

        @SGaist Thanks for pointing the mailing list and irc channel.
        Device is ran by STM32F417IG MCU.

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        • S Offline
          S Offline
          SGaist
          Lifetime Qt Champion
          wrote on 8 May 2017, 07:41 last edited by
          #4

          In that case, shouldn't you rather use something like ugfx rather than re-write your own graphic stack ?

          Interested in AI ? www.idiap.ch
          Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

          E 1 Reply Last reply 8 May 2017, 09:41
          0
          • S SGaist
            8 May 2017, 07:41

            In that case, shouldn't you rather use something like ugfx rather than re-write your own graphic stack ?

            E Offline
            E Offline
            Eligijus
            wrote on 8 May 2017, 09:41 last edited by
            #5

            @SGaist Actually graphic stack is already written from scratch. I was just asked to investigate how Qt integrates stuff like multi touch gestures, kinetic scrolling some graphics processing so we could integrate it in our graphic stack.

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            1/5

            8 May 2017, 06:02

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