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  1. Qt
  2. QTBUG-61602

QAbstractItemModel::supportedDragActions doesn't work by default

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Not Evaluated
    • Resolution: Done
    • Affects Version/s: 5.9.0
    • Fix Version/s: 5.9.1
    • Component/s: Widgets: Itemviews
    • Labels:
      None
    • Environment:
      Win 7 SP1, Visual Studio 2015
    • Commits:
      f33cf18d882ada727da0f378525e55d9421e3b16

      Description

      Quote from Qt Core 5.9 documentation:

      [virtual] Qt::DropActions QAbstractItemModel::supportedDragActions() const

      Returns the actions supported by the data in this model.

      The default implementation returns supportedDropActions(). Reimplement this function if you wish to support additional actions.

      supportedDragActions initialize as -1 in QAbstractItemModelPrivate::QAbstractItemModelPrivate

      Qt 5.9.0 default implementation:

      Qt::DropActions QAbstractItemModel::supportedDragActions() const
       {
       Q_D(const QAbstractItemModel);
       if (d->supportedDragActions != *Qt::IgnoreAction*)
       return d->supportedDragActions;
       return supportedDropActions();
       }
      

      Qt 5.8.0 default implementation:

      Qt::DropActions QAbstractItemModel::supportedDragActions() const
       {
       Q_D(const QAbstractItemModel);
       if (d->supportedDragActions != *-1*)
       return d->supportedDragActions;
       return supportedDropActions();
       }
      

      supportedDragActions() doesn't work by default.

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            • Assignee:
              mmutz Marc Mutz
              Reporter:
              sargtlin Kozlov Ilya
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              Dates

              • Created:
                Updated:
                Resolved:

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