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  1. Qt
  2. QTBUG-66239

Window resize is laggy with QtWebEngine on macOS

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Details

    • Bug
    • Resolution: Duplicate
    • Not Evaluated
    • None
    • 5.10.0
    • WebEngine
    • None
    • macOS

    Description

      Resizing a window using QtWebEngine is rather laggy. In particular, there is a white 'flashing' on the corners of the window before Qt catches up and redraws in the new space covered by the expanded window.

      In this case, I used the 'minimal' example to open a 'blank' HTML page with the body's background color set to black.

      Attachments

        1. laggy-resize.mov
          531 kB
        2. main.cpp
          4 kB
        3. minimal.pro
          0.1 kB
        4. test.html
          0.1 kB

        Issue Links

          duplicates

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-58324 QWebEnginePage contents size is resize slowly when the window is resizing

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed

          Activity

            People

              qt_webengine_team Qt WebEngine Team
              kevinushey Kevin Ushey
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              Dates

                Created:
                Updated:
                Resolved: