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  1. Qt
  2. QTBUG-73784

[REG 5.12.0-5.12.1] closing QComboBox causes program to lose focus

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    • Platform/s:
      Windows
    • Commits:
      38504041148f2d1cffea6520ea448dd4171adb0b

      Description

      With Qt 5.12.1 closing a combo box causes the current program to lose focus. I've created a video to demonstrate the behavior:

      https://youtu.be/DwaPbZTQT5U

      Effects can include no other window having focus afterwards or another window getting focus and being brought to the front.

      How to reproduce: I'm using Qt's own "widgets/painting/basicdrawing" example, unmodified. Just compile it for Windows and run it.

      I'm using the MXE project for cross-compiling both Qt itself as well as the "basicdrawing" example from Linux to Windows. The result is a static 64-bit binary.

      The problem goes away when I compile and link against Qt 5.11.3 instead of 5.12.1. The problem occurs neither on Linux nor on macOS with 5.12.1, 

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            Assignee:
            kleint Friedemann Kleint
            Reporter:
            mbunkus Moritz Bunkus
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              Resolved:

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