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How to use mouse and touch screen at the same time(arm qt5.9)

  • On QT 4.8, the mouse and touch screen can be used at the same time by setting environment variables:
    export QWS_MOUSE_PROTO="tslib:/dev/input/touchscreen0 mouseman:/dev/input/mice";
    But on Qt 5.9 I found that setting the environment variable QWS_MOUSE_PROTO didn't work;
    How do I set up to use both the mouse and the touch screen on Qt 5.9, via the TSLIb library;Or what other solutions are needed to support it

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