diff options
Diffstat (limited to 'src/corelib/itemmodels/qabstractitemmodel.cpp')
| -rw-r--r-- | src/corelib/itemmodels/qabstractitemmodel.cpp | 41 |
1 files changed, 25 insertions, 16 deletions
diff --git a/src/corelib/itemmodels/qabstractitemmodel.cpp b/src/corelib/itemmodels/qabstractitemmodel.cpp index 74a7ea1988..a9cfa3e7ca 100644 --- a/src/corelib/itemmodels/qabstractitemmodel.cpp +++ b/src/corelib/itemmodels/qabstractitemmodel.cpp @@ -1552,13 +1552,13 @@ QAbstractItemModel::~QAbstractItemModel() */ /*! - \fn void QAbstractItemModel::rowsMoved(const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destinationParent, int destinationRow) + \fn void QAbstractItemModel::rowsMoved(const QModelIndex &parent, int start, int end, const QModelIndex &destination, int row) \since 4.6 This signal is emitted after rows have been moved within the - model. The items between \a sourceStart and \a sourceEnd - inclusive, under the given \a sourceParent item have been moved to \a destinationParent - starting at the row \a destinationRow. + model. The items between \a start and \a end + inclusive, under the given \a parent item have been moved to \a destination + starting at the row \a row. \b{Note:} Components connected to this signal use it to adapt to changes in the model's dimensions. It can only be emitted by the QAbstractItemModel @@ -1584,13 +1584,13 @@ QAbstractItemModel::~QAbstractItemModel() */ /*! - \fn void QAbstractItemModel::columnsMoved(const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destinationParent, int destinationColumn) + \fn void QAbstractItemModel::columnsMoved(const QModelIndex &parent, int start, int end, const QModelIndex &destination, int column) \since 4.6 This signal is emitted after columns have been moved within the - model. The items between \a sourceStart and \a sourceEnd - inclusive, under the given \a sourceParent item have been moved to \a destinationParent - starting at the column \a destinationColumn. + model. The items between \a start and \a end + inclusive, under the given \a parent item have been moved to \a destination + starting at the column \a column. \b{Note:} Components connected to this signal use it to adapt to changes in the model's dimensions. It can only be emitted by the QAbstractItemModel @@ -1842,7 +1842,9 @@ QMimeData *QAbstractItemModel::mimeData(const QModelIndexList &indexes) const /*! Returns \c{true} if a model can accept a drop of the \a data. This - default implementation always returns \c{true}. + default implementation only checks if \a data has at least one format + in the list of mimeTypes() and if \a action is among the + model's supportedDropActions(). Reimplement this function in your custom model, if you want to test whether the \a data can be dropped at \a row, \a column, @@ -1855,12 +1857,19 @@ bool QAbstractItemModel::canDropMimeData(const QMimeData *data, Qt::DropAction a int row, int column, const QModelIndex &parent) const { - Q_UNUSED(data) - Q_UNUSED(action) Q_UNUSED(row) Q_UNUSED(column) Q_UNUSED(parent) - return true; + + if (!(action & supportedDropActions())) + return false; + + const QStringList modelTypes = mimeTypes(); + for (int i = 0; i < modelTypes.count(); ++i) { + if (data->hasFormat(modelTypes.at(i))) + return true; + } + return false; } /*! @@ -2711,7 +2720,7 @@ bool QAbstractItemModelPrivate::allowMove(const QModelIndex &srcParent, int star persistent indexes in the model, which you would otherwise be required to do yourself. Using beginMoveRows and endMoveRows is an alternative to emitting layoutAboutToBeChanged and - layoutChanged directly along with changePersistentIndexes. + layoutChanged directly along with changePersistentIndex. The \a sourceParent index corresponds to the parent from which the rows are moved; \a sourceFirst and \a sourceLast are the first and last @@ -2978,7 +2987,7 @@ void QAbstractItemModel::endRemoveColumns() persistent indexes in the model, which you would otherwise be required to do yourself. Using beginMoveRows and endMoveRows is an alternative to emitting layoutAboutToBeChanged and - layoutChanged directly along with changePersistentIndexes. + layoutChanged directly along with changePersistentIndex. The \a sourceParent index corresponds to the parent from which the columns are moved; \a sourceFirst and \a sourceLast are the first and last @@ -3165,11 +3174,11 @@ void QAbstractItemModel::changePersistentIndex(const QModelIndex &from, const QM /*! \since 4.1 - Changes the QPersistentModelIndexes that is equal to the indexes in the + Changes the {QPersistentModelIndex}es that are equal to the indexes in the given \a from model index list to the given \a to model index list. If no persistent model indexes equal to the indexes in the given \a from - model index list was found, nothing is changed. + model index list are found, nothing is changed. \sa persistentIndexList(), changePersistentIndex() */ |