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  1. Qt
  2. QTBUG-67005

QSlider in QWidgetAction leaves trail in macOS

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Details

    • Bug
    • Resolution: Unresolved
    • P2: Important
    • None
    • 5.10.0
    • GUI: Painting
    • None
    • macOS 10.13.3
    • macOS

    Description

      While dragging a QSlider inside QWidgetAction in QSystemTrayIcon menu, it displays a trailing image of the slider dot.

      The effect disappears as soon as I release the mouse button, but the ghost trail gets accumulated since the widget display moment.

      The trail disappears when I change the background to opaque for a moment, repaint, than back to transparent, but it creates an ugly flicker.

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            qt.team.graphics.and.multimedia Qt Graphics Team
            phosphide Jakub Tomczynski
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            Dates

              Created:
              Updated:

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