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  1. Qt
  2. QTBUG-50796

[Reg Qt4->Qt5]: Duplicate paint events on native widgets when resizing

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Details

    • Bug
    • Resolution: Done
    • P3: Somewhat important
    • 5.6.1
    • 5.6.0 Beta
    • Widgets: Widgets and Dialogs
    • None
    • Linux/X11, Windows, OSX
    • bc410cc706e107881d3ee982287441993cabb8a6 (qtbase/5.6, 19.5.2016, 5.6.1)

    Description

      Since Qt 5.x (QTBUG-25805) every resize of native widget triggers two or three paint events. Of course one paint event is enough. Additional repaint reduces performance.

      Attachments

        1. qtbug50796_nonrepro.zip
          3 kB
        2. qtbug50796.zip
          2 kB
        3. qtbug-50796-test.zip
          1 kB

        Issue Links

          resulted from

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-25805 ActiveQt: Other widgets besides the QAxWidget do not repaint correctly.

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          • Closed
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              Dates

                Created:
                Updated:
                Resolved:

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