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  1. Qt
  2. QTBUG-24526

Painting/Clearing background broken on transparent widgets

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Not Evaluated
    • Resolution: Done
    • Affects Version/s: 4.8.0, 5.0.0
    • Fix Version/s: 5.0.0
    • Component/s: Widgets: Widgets and Dialogs
    • Labels:
      None

      Description

      Using a stylesheet like "QWidget

      {background: transparent}

      " is broken for QPA/XCB/DirectFB. In kernel/qwidget.cpp there used to be code for QWS to change the CompositeMode to source before calling fillRegion.

        Attachments

        For Gerrit Dashboard: QTBUG-24526
        # Subject Branch Project Status CR V
        22140,5 widgets: Fix painting to a fully transparent top level widget master qt/qtbase Status: MERGED +2 0
        23361,1 widgets/qpa: Fix painting to a fully transparent top level widget 4.8 qt/qt Status: MERGED +2 0

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            People

            Assignee:
            holger Holger Freyther
            Reporter:
            holger Holger Freyther
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              Dates

              Created:
              Updated:
              Resolved:

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