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BugReport: WebEngine-MDI with Intel HD graphics

6 years 9 months ago - 6 years 9 months ago #1 by Thomas Hasart (CSB-System AG)
BugReport: WebEngine-MDI with Intel HD graphics was created by Thomas Hasart (CSB-System AG)
Hello,
If you create an WebEngineWidget in an RibbonWindow,
painting of Ribbons are broken and mouse position seems on the wrong positions.
The whole RibbonBar is painted at the wrong place.
It looks like that the ribbons be painted at the position where the WindowFrame was...
This only occures if the webengine widget is displayed, if the webengine Widget is destroyed, the painting is ok again.
Only reproducable on pc's with only Intel-HD-Graphic...
With nvidia-graphic all works fine.


Testet on several pcs with:
-Ribbon 4.11, qt 5.8,mscv 2015, windows 10
-Ribbon 4.12, qt 5.9.1 ,mscv 2015, windows 7,10,8.1
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Last edit: 6 years 9 months ago by Thomas Hasart (CSB-System AG).

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6 years 9 months ago #2 by Thomas Hasart (CSB-System AG)
Replied by Thomas Hasart (CSB-System AG) on topic BugReport: WebEngine-MDI with Intel HD graphics
It depends on a Bug?? on Intel HD Graphic OpenGL implementation.
With environment QT_OPENGL=angle or QT_OPENGL=software it works fine.

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6 years 9 months ago #3 by Developer Machines
Replied by Developer Machines on topic BugReport: WebEngine-MDI with Intel HD graphics
It is an issue in Qt code not in QtitanRibbon component. Please see the bug there for the details - bugreports.qt.io/browse/QTBUG-61358

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6 years 9 months ago #4 by Thomas Hasart (CSB-System AG)
Replied by Thomas Hasart (CSB-System AG) on topic BugReport: WebEngine-MDI with Intel HD graphics
yes i agree
, but it only occurs if ribbons framestyle is on...

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6 years 7 months ago #5 by 华 田
Replied by 华 田 on topic BugReport: WebEngine-MDI with Intel HD graphics
QApplication app( argc, argv );
app.setAttribute( Qt::AA_NativeWindows ); can solve the problem, you will not need to set the envrioments values QT_OPENGL. But when you click the Minimize button and restore the button, you will find some questions somewhere in the bootm of the window, also between the title bar and the central widget.
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6 years 6 months ago #6 by Developer Machines
Replied by Developer Machines on topic BugReport: WebEngine-MDI with Intel HD graphics
It is issue in Qt libraries not in QtitanRibbon component. bugreports.qt.io/browse/QTBUG-61358

At the moment we develop the next major update of QtitanRibbon - 5.0. In it, this error will be fixed regardless of whether it's Qt guys will fix it or not.

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