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  1. Qt
  2. QTBUG-137154

[Wayland] Graph gallery could not be run on fancy-compositor

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    • Linux/Yocto

    Description

      I found this issue testing Boot2Qt, but I'm not sure it's related to this device anyhow. 

      MacOS 15.4.1

      Qt Creator 16.0.2

      Qt 6.10.0 (dev snapshot)

       

      Device: RPi4 6.10.0

      Steps to reproduce:

      1. Run fancy compositor 
      2. Try to run https://doc.qt.io/qt-6/qtgraphs-3d-widgetgraphgallery-example.html example on the fancy compositor

       

      Expected: The app runs on compositor.

      Actual: The app does not appear. There are just logs in the console, showing that:

      root@b2qt-raspberrypi-armv8:~# WAYLAND_DISPLAY=/run/test appcontroller --launch /usr/examples/widgetgraphgallery  -platform wayland-egl
      QSocketNotifier: Invalid socket specified
      "GST_PLUGIN_FEATURE_RANK" "v4l2h264dec:1,v4l2h264enc:1"
      "QTWEBENGINE_DISABLE_SANDBOX" "1"
      "QT_IM_MODULE" "qtvirtualkeyboard"
      "QT_QPA_EGLFS_FORCE888" "1"
      "QT_QPA_EGLFS_KMS_ATOMIC" "0"
      "QT_QPA_EGLFS_KMS_CONFIG" "/etc/kms.conf"
      "QT_QPA_PLATFORM" "eglfs"
      "QT_WAYLAND_HARDWARE_INTEGRATION" "linux-dmabuf-unstable-v1"
      "/usr/examples/widgetgraphgallery" QList("-platform", "wayland-egl")
      qt.qpa.wayland: qtvirtualkeyboard currently is not supported at client-side, use QT_IM_MODULES=qtvirtualkeyboard at compositor-side.
      QGradient::setColorAt: Color position must be specified in the range 0 to 1
      QGradient::setColorAt: Color position must be specified in the range 0 to 1
      QGradient::setColorAt: Color position must be specified in the range 0 to 1
      QGradient::setColorAt: Color position must be specified in the range 0 to 1
      QGradient::setColorAt: Color position must be specified in the range 0 to 1
      QWidget::setMinimumSize: (/QComboBoxPrivateContainer) Negative sizes (-13,0) are not possible
      QWidget::setMaximumSize: (/QComboBoxPrivateContainer) Negative sizes (-13,16777215) are not possible 

      Reproducibility:  100%

      NOTE: The app runs without any problem on eglfs or weston compositor. Also, other graphs example apps run on fancy compositor without any issues. 

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              qt.team.graphics.and.multimedia Qt Graphics Team
              lkos Łukasz Kosiorowski
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                Updated:

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