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Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12

1 files changed, 410 insertions, 0 deletions

diff --git a/src/corelib/kernel/qabstractitemmodel.h b/src/corelib/kernel/qabstractitemmodel.h
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+++ b/src/corelib/kernel/qabstractitemmodel.h
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QABSTRACTITEMMODEL_H
+#define QABSTRACTITEMMODEL_H
+
+#include <QtCore/qvariant.h>
+#include <QtCore/qobject.h>
+#include <QtCore/qhash.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+class QAbstractItemModel;
+class QPersistentModelIndex;
+
+class Q_CORE_EXPORT QModelIndex
+{
+    friend class QAbstractItemModel;
+    friend class QProxyModel;
+public:
+    inline QModelIndex() : r(-1), c(-1), p(0), m(0) {}
+    inline QModelIndex(const QModelIndex &other)
+        : r(other.r), c(other.c), p(other.p), m(other.m) {}
+    inline ~QModelIndex() { p = 0; m = 0; }
+    inline int row() const { return r; }
+    inline int column() const { return c; }
+    inline void *internalPointer() const { return p; }
+    inline qint64 internalId() const { return reinterpret_cast<qint64>(p); }
+    inline QModelIndex parent() const;
+    inline QModelIndex sibling(int row, int column) const;
+    inline QModelIndex child(int row, int column) const;
+    inline QVariant data(int role = Qt::DisplayRole) const;
+    inline Qt::ItemFlags flags() const;
+    inline const QAbstractItemModel *model() const { return m; }
+    inline bool isValid() const { return (r >= 0) && (c >= 0) && (m != 0); }
+    inline bool operator==(const QModelIndex &other) const
+        { return (other.r == r) && (other.p == p) && (other.c == c) && (other.m == m); }
+    inline bool operator!=(const QModelIndex &other) const
+        { return !(*this == other); }
+    inline bool operator<(const QModelIndex &other) const
+        {
+          if (r < other.r) return true;
+          if (r == other.r) {
+              if (c < other.c) return true;
+              if (c == other.c) {
+                  if (p < other.p) return true;
+                  if (p == other.p) return m < other.m;
+              }
+          }
+          return false; }
+private:
+    inline QModelIndex(int row, int column, void *ptr, const QAbstractItemModel *model);
+    int r, c;
+    void *p;
+    const QAbstractItemModel *m;
+};
+Q_DECLARE_TYPEINFO(QModelIndex, Q_MOVABLE_TYPE);
+
+#ifndef QT_NO_DEBUG_STREAM
+Q_CORE_EXPORT QDebug operator<<(QDebug, const QModelIndex &);
+#endif
+
+class QPersistentModelIndexData;
+
+class Q_CORE_EXPORT QPersistentModelIndex
+{
+public:
+    QPersistentModelIndex();
+    QPersistentModelIndex(const QModelIndex &index);
+    QPersistentModelIndex(const QPersistentModelIndex &other);
+    ~QPersistentModelIndex();
+    bool operator<(const QPersistentModelIndex &other) const;
+    bool operator==(const QPersistentModelIndex &other) const;
+    inline bool operator!=(const QPersistentModelIndex &other) const
+    { return !operator==(other); }
+    QPersistentModelIndex &operator=(const QPersistentModelIndex &other);
+    bool operator==(const QModelIndex &other) const;
+    bool operator!=(const QModelIndex &other) const;
+    QPersistentModelIndex &operator=(const QModelIndex &other);
+    operator const QModelIndex&() const;
+    int row() const;
+    int column() const;
+    void *internalPointer() const;
+    qint64 internalId() const;
+    QModelIndex parent() const;
+    QModelIndex sibling(int row, int column) const;
+    QModelIndex child(int row, int column) const;
+    QVariant data(int role = Qt::DisplayRole) const;
+    Qt::ItemFlags flags() const;
+    const QAbstractItemModel *model() const;
+    bool isValid() const;
+private:
+    QPersistentModelIndexData *d;
+    friend uint qHash(const QPersistentModelIndex &);
+#ifndef QT_NO_DEBUG_STREAM
+    friend Q_CORE_EXPORT QDebug operator<<(QDebug, const QPersistentModelIndex &);
+#endif
+};
+Q_DECLARE_TYPEINFO(QPersistentModelIndex, Q_MOVABLE_TYPE);
+
+inline uint qHash(const QPersistentModelIndex &index)
+{ return qHash(index.d); }
+
+
+#ifndef QT_NO_DEBUG_STREAM
+Q_CORE_EXPORT QDebug operator<<(QDebug, const QPersistentModelIndex &);
+#endif
+
+template<typename T> class QList;
+typedef QList<QModelIndex> QModelIndexList;
+
+class QMimeData;
+class QAbstractItemModelPrivate;
+template <class Key, class T> class QMap;
+
+
+class Q_CORE_EXPORT QAbstractItemModel : public QObject
+{
+    Q_OBJECT
+
+    friend class QPersistentModelIndexData;
+    friend class QAbstractItemViewPrivate;
+public:
+
+    explicit QAbstractItemModel(QObject *parent = 0);
+    virtual ~QAbstractItemModel();
+
+    bool hasIndex(int row, int column, const QModelIndex &parent = QModelIndex()) const;
+    virtual QModelIndex index(int row, int column,
+                              const QModelIndex &parent = QModelIndex()) const = 0;
+    virtual QModelIndex parent(const QModelIndex &child) const = 0;
+
+    inline QModelIndex sibling(int row, int column, const QModelIndex &idx) const
+        { return index(row, column, parent(idx)); }
+
+    virtual int rowCount(const QModelIndex &parent = QModelIndex()) const = 0;
+    virtual int columnCount(const QModelIndex &parent = QModelIndex()) const = 0;
+    virtual bool hasChildren(const QModelIndex &parent = QModelIndex()) const;
+
+    virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const = 0;
+    virtual bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
+
+    virtual QVariant headerData(int section, Qt::Orientation orientation,
+                                int role = Qt::DisplayRole) const;
+    virtual bool setHeaderData(int section, Qt::Orientation orientation, const QVariant &value,
+                               int role = Qt::EditRole);
+
+    virtual QMap<int, QVariant> itemData(const QModelIndex &index) const;
+    virtual bool setItemData(const QModelIndex &index, const QMap<int, QVariant> &roles);
+
+    virtual QStringList mimeTypes() const;
+    virtual QMimeData *mimeData(const QModelIndexList &indexes) const;
+    virtual bool dropMimeData(const QMimeData *data, Qt::DropAction action,
+                              int row, int column, const QModelIndex &parent);
+    virtual Qt::DropActions supportedDropActions() const;
+
+    Qt::DropActions supportedDragActions() const;
+    void setSupportedDragActions(Qt::DropActions);
+
+    virtual bool insertRows(int row, int count, const QModelIndex &parent = QModelIndex());
+    virtual bool insertColumns(int column, int count, const QModelIndex &parent = QModelIndex());
+    virtual bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex());
+    virtual bool removeColumns(int column, int count, const QModelIndex &parent = QModelIndex());
+
+    inline bool insertRow(int row, const QModelIndex &parent = QModelIndex());
+    inline bool insertColumn(int column, const QModelIndex &parent = QModelIndex());
+    inline bool removeRow(int row, const QModelIndex &parent = QModelIndex());
+    inline bool removeColumn(int column, const QModelIndex &parent = QModelIndex());
+
+    virtual void fetchMore(const QModelIndex &parent);
+    virtual bool canFetchMore(const QModelIndex &parent) const;
+    virtual Qt::ItemFlags flags(const QModelIndex &index) const;
+    virtual void sort(int column, Qt::SortOrder order = Qt::AscendingOrder);
+    virtual QModelIndex buddy(const QModelIndex &index) const;
+    virtual QModelIndexList match(const QModelIndex &start, int role,
+                                  const QVariant &value, int hits = 1,
+                                  Qt::MatchFlags flags =
+                                  Qt::MatchFlags(Qt::MatchStartsWith|Qt::MatchWrap)) const;
+    virtual QSize span(const QModelIndex &index) const;
+
+    const QHash<int,QByteArray> &roleNames() const;
+
+#ifdef Q_NO_USING_KEYWORD
+    inline QObject *parent() const { return QObject::parent(); }
+#else
+    using QObject::parent;
+#endif
+
+Q_SIGNALS:
+    void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
+    void headerDataChanged(Qt::Orientation orientation, int first, int last);
+    void layoutChanged();
+    void layoutAboutToBeChanged();
+
+#if !defined(Q_MOC_RUN) && !defined(qdoc)
+private: // can only be emitted by QAbstractItemModel
+#endif
+    void rowsAboutToBeInserted(const QModelIndex &parent, int first, int last);
+    void rowsInserted(const QModelIndex &parent, int first, int last);
+
+    void rowsAboutToBeRemoved(const QModelIndex &parent, int first, int last);
+    void rowsRemoved(const QModelIndex &parent, int first, int last);
+
+    void columnsAboutToBeInserted(const QModelIndex &parent, int first, int last);
+    void columnsInserted(const QModelIndex &parent, int first, int last);
+
+    void columnsAboutToBeRemoved(const QModelIndex &parent, int first, int last);
+    void columnsRemoved(const QModelIndex &parent, int first, int last);
+
+    void modelAboutToBeReset();
+    void modelReset();
+
+    void rowsAboutToBeMoved( const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destinationParent, int destinationRow );
+    void rowsMoved( const QModelIndex &parent, int start, int end, const QModelIndex &destination, int row );
+
+    void columnsAboutToBeMoved( const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destinationParent, int destinationColumn );
+    void columnsMoved( const QModelIndex &parent, int start, int end, const QModelIndex &destination, int column );
+
+
+public Q_SLOTS:
+    virtual bool submit();
+    virtual void revert();
+
+protected:
+    QAbstractItemModel(QAbstractItemModelPrivate &dd, QObject *parent = 0);
+
+    inline QModelIndex createIndex(int row, int column, void *data = 0) const;
+    inline QModelIndex createIndex(int row, int column, int id) const;
+    inline QModelIndex createIndex(int row, int column, quint32 id) const;
+
+    void encodeData(const QModelIndexList &indexes, QDataStream &stream) const;
+    bool decodeData(int row, int column, const QModelIndex &parent, QDataStream &stream);
+
+    void beginInsertRows(const QModelIndex &parent, int first, int last);
+    void endInsertRows();
+
+    void beginRemoveRows(const QModelIndex &parent, int first, int last);
+    void endRemoveRows();
+
+    bool beginMoveRows(const QModelIndex &sourceParent, int sourceFirst, int sourceLast, const QModelIndex &destinationParent, int destinationRow);
+    void endMoveRows();
+
+    void beginInsertColumns(const QModelIndex &parent, int first, int last);
+    void endInsertColumns();
+
+    void beginRemoveColumns(const QModelIndex &parent, int first, int last);
+    void endRemoveColumns();
+
+    bool beginMoveColumns(const QModelIndex &sourceParent, int sourceFirst, int sourceLast, const QModelIndex &destinationParent, int destinationColumn);
+    void endMoveColumns();
+
+    void reset();
+
+    void beginResetModel();
+    void endResetModel();
+
+    void changePersistentIndex(const QModelIndex &from, const QModelIndex &to);
+    void changePersistentIndexList(const QModelIndexList &from, const QModelIndexList &to);
+    QModelIndexList persistentIndexList() const;
+
+    void setRoleNames(const QHash<int,QByteArray> &roleNames);
+
+private:
+    Q_DECLARE_PRIVATE(QAbstractItemModel)
+    Q_DISABLE_COPY(QAbstractItemModel)
+};
+
+inline bool QAbstractItemModel::insertRow(int arow, const QModelIndex &aparent)
+{ return insertRows(arow, 1, aparent); }
+inline bool QAbstractItemModel::insertColumn(int acolumn, const QModelIndex &aparent)
+{ return insertColumns(acolumn, 1, aparent); }
+inline bool QAbstractItemModel::removeRow(int arow, const QModelIndex &aparent)
+{ return removeRows(arow, 1, aparent); }
+inline bool QAbstractItemModel::removeColumn(int acolumn, const QModelIndex &aparent)
+{ return removeColumns(acolumn, 1, aparent); }
+
+inline QModelIndex QAbstractItemModel::createIndex(int arow, int acolumn, void *adata) const
+{ return QModelIndex(arow, acolumn, adata, this); }
+inline QModelIndex QAbstractItemModel::createIndex(int arow, int acolumn, int aid) const
+#if defined(Q_CC_MSVC)
+#pragma warning( push )
+#pragma warning( disable : 4312 ) // avoid conversion warning on 64-bit
+#endif
+{ return QModelIndex(arow, acolumn, reinterpret_cast<void*>(aid), this); }
+#if defined(Q_CC_MSVC)
+#pragma warning( pop )
+#endif
+inline QModelIndex QAbstractItemModel::createIndex(int arow, int acolumn, quint32 aid) const
+#if defined(Q_CC_MSVC)
+#pragma warning( push )
+#pragma warning( disable : 4312 ) // avoid conversion warning on 64-bit
+#endif
+{ return QModelIndex(arow, acolumn, reinterpret_cast<void*>(aid), this); }
+#if defined(Q_CC_MSVC)
+#pragma warning( pop )
+#endif
+
+
+class Q_CORE_EXPORT QAbstractTableModel : public QAbstractItemModel
+{
+    Q_OBJECT
+
+public:
+    explicit QAbstractTableModel(QObject *parent = 0);
+    ~QAbstractTableModel();
+
+    QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
+    bool dropMimeData(const QMimeData *data, Qt::DropAction action,
+                      int row, int column, const QModelIndex &parent);
+protected:
+    QAbstractTableModel(QAbstractItemModelPrivate &dd, QObject *parent);
+
+private:
+    Q_DISABLE_COPY(QAbstractTableModel)
+    QModelIndex parent(const QModelIndex &child) const;
+    bool hasChildren(const QModelIndex &parent) const;
+};
+
+class Q_CORE_EXPORT QAbstractListModel : public QAbstractItemModel
+{
+    Q_OBJECT
+
+public:
+    explicit QAbstractListModel(QObject *parent = 0);
+    ~QAbstractListModel();
+
+    QModelIndex index(int row, int column = 0, const QModelIndex &parent = QModelIndex()) const;
+    bool dropMimeData(const QMimeData *data, Qt::DropAction action,
+                      int row, int column, const QModelIndex &parent);
+protected:
+    QAbstractListModel(QAbstractItemModelPrivate &dd, QObject *parent);
+
+private:
+    Q_DISABLE_COPY(QAbstractListModel)
+    QModelIndex parent(const QModelIndex &child) const;
+    int columnCount(const QModelIndex &parent) const;
+    bool hasChildren(const QModelIndex &parent) const;
+};
+
+// inline implementations
+
+inline QModelIndex::QModelIndex(int arow, int acolumn, void *adata,
+                                const QAbstractItemModel *amodel)
+    : r(arow), c(acolumn), p(adata), m(amodel) {}
+
+inline QModelIndex QModelIndex::parent() const
+{ return m ? m->parent(*this) : QModelIndex(); }
+
+inline QModelIndex QModelIndex::sibling(int arow, int acolumn) const
+{ return m ? (r == arow && c == acolumn) ? *this : m->index(arow, acolumn, m->parent(*this)) : QModelIndex(); }
+
+inline QModelIndex QModelIndex::child(int arow, int acolumn) const
+{ return m ? m->index(arow, acolumn, *this) : QModelIndex(); }
+
+inline QVariant QModelIndex::data(int arole) const
+{ return m ? m->data(*this, arole) : QVariant(); }
+
+inline Qt::ItemFlags QModelIndex::flags() const
+{ return m ? m->flags(*this) : Qt::ItemFlags(0); }
+
+inline uint qHash(const QModelIndex &index)
+{ return uint((index.row() << 4) + index.column() + index.internalId()); }
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QABSTRACTITEMMODEL_H