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Forum Update on Monday, May 27th 2025

Pinch Simulation without Multi touch device

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  • G Offline
    G Offline
    gupta.divyank
    wrote on last edited by
    #1

    I am working on a c++ project in windows OS where I need to simulate multitouch gesture like Pinch without multitouch device.Similar to Iphone where user can simulate pinch by holding option key.
    How we can simulate multitouch action using QT without having multitouch device ?

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    • F Offline
      F Offline
      fguimaraes
      wrote on last edited by
      #2

      I'm afraid that real multitouch is not possible, but you could try to understand how it works the simulation here: "Experimental multitouch for UI":http://www.symbian-freak.com/news/009/03/experimental_multitouc_interface_for_5800.htm

      Birth, death, rebirth, though, and constantly progress, that is the law.

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      • L Offline
        L Offline
        lgeyer
        wrote on last edited by
        #3

        I'm using the "Surface Input Simulator":http://blogs.msdn.com/b/surface/archive/2011/05/04/meet-the-new-microsoft-174-surface-174-input-simulator.aspx, which is part of the "Surface 2.0 SDK":http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=26716, to simulate any kind of touch input including multitouch gestures. Works like a charm so far.

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        • R Offline
          R Offline
          rokemoon
          wrote on last edited by
          #4

          You can test multi touch in Qt Simulator for mobile devices.
          I know it's wierd to test win app in such simulator, but when you haven't any device and it will come up.
          So you need to press Alt+2 and test your Pinch.

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