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Qt cursor not working under vnc viewer

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  • T Offline
    T Offline
    tushar
    wrote on last edited by
    #1

    Hi

    I have a Qt embedded application running on raspberry pi 3. In same system I have installed dispmanx_vncserver to see same screen into another raspberry pi station which has real vnc viewer installed. Now, When I start vnc viewer I am getting two cursors on vnc viewer screen - One is local vnc cursor and another one is Qt cursor(White Arrow). Also, When I touch anywhere on screen the local vnc cursor moves on exact touch point but, Qt cursor keeps distance from touch point not sure what is the issue.

    When I touch on top left corner on screen then both cursors got sync and appears on touch point same time. I want to fix this problem without touching the top left corner of screen. Is there any solution exist for this issue then please help me.

    Note :- My Qt application running under Eglfs and vnc is running under X11. I am using following display screen http://www.waveshare.com/wiki/10.1inch_HDMI_LCD.

    Thank you in advance.

    Tushar Kachhadiya

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    • SGaistS Offline
      SGaistS Offline
      SGaist
      Lifetime Qt Champion
      wrote on last edited by
      #2

      Hi,

      From what I understand you are running both an X server and your application on EGLFS ? So it sounds like you have two different GUI stacks talking to the same hardware at the same time.

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

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      • T Offline
        T Offline
        tushar
        wrote on last edited by tushar
        #3

        Hi,

        Thanks for the answer.

        Yes my application running on EGLFS. Do you have any solution or fix for this issue?

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        • SGaistS Offline
          SGaistS Offline
          SGaist
          Lifetime Qt Champion
          wrote on last edited by
          #4

          Why are you mixing both technologies ?

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

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