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  1. Qt
  2. QTBUG-70437

Scrollbars on QWebEngineViews do not react to releasing the mouse button outside of the application window

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    • Icon: Bug Bug
    • Resolution: Done
    • Icon: P3: Somewhat important P3: Somewhat important
    • 5.15.1
    • 5.11.1, 5.15.0 Beta4
    • WebEngine
    • None
    • Windows 10 (1803)
    • Windows
    • 6eadb2f2588b240b5fcda38e1f68a49a4690eb6b (qt/qtwebengine/dev) 4f6da986bf6aa929670e6bbf1630d51d886aa3d8 (qt/qtwebengine/5.15)

      The scroll bars in a QWebEngineView behave strangely when dragging the scroll handle and releasing the mouse button outside of the application window. The scrollbar looks and acts just as if the mouse button was still pressed. Clicking on the scrollbar seems to restore its state.

      The issue can be reproduced with the "WebEngine Quick Nano Browser" example. Start the program and grab the scrollbar handle on the vertical scrollbar, then move the mouse outside of the application window and let go of the mouse button. The scrollbar handle will still act as if the mouse button is pressed, even when the cursor reenters the application.

      Tested on Qt 5.11.1 (msvc2017_64)

        For Gerrit Dashboard: QTBUG-70437
        # Subject Branch Project Status CR V

            pvarga Peter Varga
            sonoxious Simon Börjesson
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              Created:
              Updated:
              Resolved:

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