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    41 

    42 #ifndef QITEMSELECTIONMODEL_P_H

    43 #define QITEMSELECTIONMODEL_P_H

    44 

    45 //

    46 //  W A R N I N G

    47 //  -------------

    48 //

    49 // This file is not part of the Qt API.  It exists purely as an

    50 // implementation detail.  This header file may change from version to

    51 // version without notice, or even be removed.

    52 //

    53 // We mean it.

    54 //

    55 

    56 #include "private/qobject_p.h"

    57 

    58 QT_BEGIN_NAMESPACE

    59 

    60 #ifndef QT_NO_ITEMVIEWS

    61 class QItemSelectionModelPrivate: public QObjectPrivate

    62 {

    63     Q_DECLARE_PUBLIC(QItemSelectionModel)

    64 public:

    65     QItemSelectionModelPrivate()

    66       : model(0),

    67         currentCommand(QItemSelectionModel::NoUpdate),

    68         tableSelected(false), tableColCount(0), tableRowCount(0) {}

    69 

    70     QItemSelection expandSelection(const QItemSelection &selection,

    71                                    QItemSelectionModel::SelectionFlags command) const;

    72 

    73     void _q_rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end);

    74     void _q_columnsAboutToBeRemoved(const QModelIndex &parent, int start, int end);

    75     void _q_rowsAboutToBeInserted(const QModelIndex &parent, int start, int end);

    76     void _q_columnsAboutToBeInserted(const QModelIndex &parent, int start, int end);

    77     void _q_layoutAboutToBeChanged();

    78     void _q_layoutChanged();

    79 

    80     inline void remove(QList<QItemSelectionRange> &r)

    81     {

    82         QList<QItemSelectionRange>::const_iterator it = r.constBegin();

    83         for (; it != r.constEnd(); ++it)

    84             ranges.removeAll(*it);

    85     }

    86 

    87     inline void finalize()

    88     {

    89         ranges.merge(currentSelection, currentCommand);

    90         if (!currentSelection.isEmpty())  // ### perhaps this should be in QList

    91             currentSelection.clear();

    92     }

    93 

    94     QPointer<QAbstractItemModel> model;

    95     QItemSelection ranges;

    96     QItemSelection currentSelection;

    97     QPersistentModelIndex currentIndex;

    98     QItemSelectionModel::SelectionFlags currentCommand;

    99     QList<QPersistentModelIndex> savedPersistentIndexes;

   100     QList<QPersistentModelIndex> savedPersistentCurrentIndexes;

   101     // optimization when all indexes are selected

   102     bool tableSelected;

   103     QPersistentModelIndex tableParent;

   104     int tableColCount, tableRowCount;

   105 };

   106 

   107 #endif // QT_NO_ITEMVIEWS

   108 

   109 QT_END_NAMESPACE

   110 

   111 #endif // QITEMSELECTIONMODEL_P_H