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  1. Qt
  2. QTBUG-54412

QComboBox loses selected item when several proxies are chained

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    • Icon: Bug Bug
    • Resolution: Duplicate
    • Icon: P2: Important P2: Important
    • 5.8
    • 5.6.1
    • Widgets: Itemviews
    • None
    • baad82d242a4d8c1af6c87faaa7f25584183fd53

      Please see the attached archive for the example project.

      When several proxy models are chained and there's QIdentityProxyModel in the middle of the chain, QComboBox loses selected item when the sorting order changes.

      This actually seems to be `QIdentityProxyModel's` bug, since chained `QSortFilterProxyModel` instances work pretty well. I managed to fix this by patching `qidentityproxymodel.cpp` as suggested in https://bugreports.qt.io/browse/QTBUG-44143, which seems to be related issue.

        1. IdentityProxyBug.zip
          2 kB
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            chehrlic Christian Ehrlicher
            tonygluk Anton Karandeev
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              Created:
              Updated:
              Resolved:

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