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  1. Qt
  2. QTBUG-39348

Hiding MainWindow on macOS 10.6 freezes the GUI

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: P2: Important
    • Resolution: Fixed
    • Affects Version/s: 5.0.0, 5.2.1, 5.3.0
    • Fix Version/s: 5.15
    • Component/s: GUI: Window management
    • Labels:
      None
    • Environment:
      macOS 10.6.8
    • Platform/s:
      macOS

      Description

      I’ve encountered a very strange problem on my MacBook Pro which is running macOS 10.6.8. When hiding a simple application with a MainWindow and a text field (by hitting CMD – H, or going to the top menu and pressing Hide MyApp) the GUI freezes. I have to minimize and maximize it (button on the MainWindow) to get the GUI to become responsive again.

      What I did to get this behavior was simply create a new project in QT (5.2.1) Widget Application with a MainWindow drag a QLineEdit inside the form then build it. I then deploy it using: /Users/maharajah/Qt/5.2.1/clang_64/bin/macdeployqt MyApp.app

      Update:
      To reproduce this you can just use the "Application Example" that comes with Qt build it in release and run /Users/maharajah/Qt/5.2.1/clang_64/bin/macdeployqt ApplicationExample.app

      Then move it over to macOS 10.6.8 and use CMD - H and then click in dock. The GUI will now be frozen.

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            Assignee:
            Unassigned Unassigned
            Reporter:
            marcusjohansson Marcus Johansson
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