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  1. Qt
  2. QTBUG-49644

QOpenGLWidget can be seen through QGraphicsView when they are in subwindows in QMDIArea

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    Description

      There is a QMdiArea with two subwindows. One has QOpenGLWidget with background color and the other has three QGraphicsViews in a QWidget. Now when we drag the QGraphicsView window on top of the QOpenGLWidget window, the QOpenGLWidget can be seen through every QGraphicsView (see the attached qtbug49644.png).

      The attached example can be used to reproduce the problem.

      This has been tested on Ubuntu 14.04 and on Windows 7 with both desktop OpenGL and ANGLE.

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        1. qtbug49644.png
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        2. qtbug49644.zip
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            sletta Gunnar Sletta
            qtcomsupport Qt Support
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              Created:
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              Resolved:

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