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  1. Qt
  2. QTBUG-78494

If a widget is displayed on the screen and then closed using window manager close(X), it will come up blank/black from then on.

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: P2: Important
    • Resolution: Duplicate
    • Affects Version/s: 5.12.4
    • Fix Version/s: 5.12.5
    • Component/s: GUI: Window management
    • Labels:
      None
    • Environment:
      Linux Ubuntu 18.04.3 LTS and CentOS 7.5.
      We are able to work-around the problem on MacOSX and Windows but it is by calling hide() and then show() one right after the other. That is a pain and we are not sure that it will work with every dialog.
    • Platform/s:
      Linux/X11

      Description

      Creating a QDialog and closing it via the window manager close(ie. X button) causes the dialog to be blank every time it is shown after that. The only way to get it to show correctly after that is to delete it and recreate it, which is not practical.

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            People

            • Assignee:
              qt.team.quick.subscriptions Qt Quick and Widgets Team
              Reporter:
              daveb David Baumgartner
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              Dates

              • Created:
                Updated:
                Resolved:

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