Move QStandardItem/QStandardItemModel to QtGui

The dependencies on QFont, QBrush, QIcon are all in QtGui, so there's
little sense to still have these classes in QtWidgets.

This also copies and pastes a version of QWidgetItemData as
QStandardItemData inside qstandarditemmodel_p.h.

Change-Id: Ibafc5a30748e7ce0b54753309ae6dc4a797fc20e
Reviewed-by: Kent Hansen <kent.hansen@nokia.com>

1 files changed, 219 insertions, 0 deletions

diff --git a/src/gui/itemmodels/qstandarditemmodel_p.h b/src/gui/itemmodels/qstandarditemmodel_p.h
new file mode 100644
index 0000000000..ba43bbd5dc
--- /dev/null
+++ b/src/gui/itemmodels/qstandarditemmodel_p.h
@@ -0,0 +1,219 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSTANDARDITEMMODEL_P_H
+#define QSTANDARDITEMMODEL_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of other Qt classes.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "private/qabstractitemmodel_p.h"
+
+#ifndef QT_NO_STANDARDITEMMODEL
+
+#include <QtCore/qlist.h>
+#include <QtCore/qpair.h>
+#include <QtCore/qstack.h>
+#include <QtCore/qvariant.h>
+#include <QtCore/qvector.h>
+
+QT_BEGIN_NAMESPACE
+
+class QStandardItemData
+{
+public:
+    inline QStandardItemData() : role(-1) {}
+    inline QStandardItemData(int r, QVariant v) : role(r), value(v) {}
+    int role;
+    QVariant value;
+    inline bool operator==(const QStandardItemData &other) const { return role == other.role && value == other.value; }
+};
+
+#ifndef QT_NO_DATASTREAM
+
+inline QDataStream &operator>>(QDataStream &in, QStandardItemData &data)
+{
+    in >> data.role;
+    in >> data.value;
+    return in;
+}
+
+inline QDataStream &operator<<(QDataStream &out, const QStandardItemData &data)
+{
+    out << data.role;
+    out << data.value;
+    return out;
+}
+
+#endif // QT_NO_DATASTREAM
+
+class QStandardItemPrivate
+{
+    Q_DECLARE_PUBLIC(QStandardItem)
+public:
+    inline QStandardItemPrivate()
+        : model(0),
+          parent(0),
+          rows(0),
+          columns(0),
+          q_ptr(0),
+          lastIndexOf(2)
+        { }
+    virtual ~QStandardItemPrivate();
+
+    inline int childIndex(int row, int column) const {
+        if ((row < 0) || (column < 0)
+            || (row >= rowCount()) || (column >= columnCount())) {
+            return -1;
+        }
+        return (row * columnCount()) + column;
+    }
+    inline int childIndex(const QStandardItem *child) {
+        int start = qMax(0, lastIndexOf -2);
+        lastIndexOf = children.indexOf(const_cast<QStandardItem*>(child), start);
+        if (lastIndexOf == -1 && start != 0)
+            lastIndexOf = children.lastIndexOf(const_cast<QStandardItem*>(child), start);
+        return lastIndexOf;
+    }
+    QPair<int, int> position() const;
+    void setChild(int row, int column, QStandardItem *item,
+                  bool emitChanged = false);
+    inline int rowCount() const {
+        return rows;
+    }
+    inline int columnCount() const {
+        return columns;
+    }
+    void childDeleted(QStandardItem *child);
+
+    void setModel(QStandardItemModel *mod);
+
+    inline void setParentAndModel(
+        QStandardItem *par,
+        QStandardItemModel *mod) {
+        setModel(mod);
+        parent = par;
+    }
+
+    void changeFlags(bool enable, Qt::ItemFlags f);
+    void setItemData(const QMap<int, QVariant> &roles);
+    const QMap<int, QVariant> itemData() const;
+
+    bool insertRows(int row, int count, const QList<QStandardItem*> &items);
+    bool insertRows(int row, const QList<QStandardItem*> &items);
+    bool insertColumns(int column, int count, const QList<QStandardItem*> &items);
+
+    void sortChildren(int column, Qt::SortOrder order);
+
+    QStandardItemModel *model;
+    QStandardItem *parent;
+    QVector<QStandardItemData> values;
+    QVector<QStandardItem*> children;
+    int rows;
+    int columns;
+
+    QStandardItem *q_ptr;
+
+    int lastIndexOf;
+};
+
+class QStandardItemModelPrivate : public QAbstractItemModelPrivate
+{
+    Q_DECLARE_PUBLIC(QStandardItemModel)
+
+public:
+    QStandardItemModelPrivate();
+    virtual ~QStandardItemModelPrivate();
+
+    void init();
+
+    inline QStandardItem *createItem() const {
+        return itemPrototype ? itemPrototype->clone() : new QStandardItem;
+    }
+
+    inline QStandardItem *itemFromIndex(const QModelIndex &index) const {
+        Q_Q(const QStandardItemModel);
+        if (!index.isValid())
+            return root.data();
+        if (index.model() != q)
+            return 0;
+        QStandardItem *parent = static_cast<QStandardItem*>(index.internalPointer());
+        if (parent == 0)
+            return 0;
+        return parent->child(index.row(), index.column());
+    }
+
+    void sort(QStandardItem *parent, int column, Qt::SortOrder order);
+    void itemChanged(QStandardItem *item);
+    void rowsAboutToBeInserted(QStandardItem *parent, int start, int end);
+    void columnsAboutToBeInserted(QStandardItem *parent, int start, int end);
+    void rowsAboutToBeRemoved(QStandardItem *parent, int start, int end);
+    void columnsAboutToBeRemoved(QStandardItem *parent, int start, int end);
+    void rowsInserted(QStandardItem *parent, int row, int count);
+    void columnsInserted(QStandardItem *parent, int column, int count);
+    void rowsRemoved(QStandardItem *parent, int row, int count);
+    void columnsRemoved(QStandardItem *parent, int column, int count);
+
+    void _q_emitItemChanged(const QModelIndex &topLeft,
+                            const QModelIndex &bottomRight);
+
+    void decodeDataRecursive(QDataStream &stream, QStandardItem *item);
+
+    QVector<QStandardItem*> columnHeaderItems;
+    QVector<QStandardItem*> rowHeaderItems;
+    QScopedPointer<QStandardItem> root;
+    const QStandardItem *itemPrototype;
+    int sortRole;
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_STANDARDITEMMODEL
+
+#endif // QSTANDARDITEMMODEL_P_H