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  1. Qt
  2. QTBUG-123985

PinchHandler works unreliably with Wayland

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    • Linux/X11
    • 4a88ed088 (dev), c14c3fd38 (6.10), 60e10f93c (6.9), 9041dfe39 (tqtc/lts-6.8)

      Using a PinchHandler on a simple Rectangle to pinch-zoom and pinch-rotate does not work reliably when the sample app is run in e.g. the minimal-qml QtWayland Compositor. Sometimes the pinch is triggered but most times not.

      I was not able to test this with a non-Qt Wayland Compositor but expect similar behaviour.

      Other PointerDeviceHandlers handling only one touch point work fine with (Qt-)Wayland.

       

      Running the sample app directly on X11 provides smooth handling in the PinchHandler.

      A PinchArea does also work smootly when the sample app is run with Wayland.

        1. pinchHandlerWaylandBug.zip
          5 kB
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            srutledg Shawn Rutledge
            stefanbauer Stefan Bauer
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              Created:
              Updated:
              Resolved:

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