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Diffstat (limited to 'src/gui/itemviews/qstandarditemmodel_p.h')
| -rw-r--r-- | src/gui/itemviews/qstandarditemmodel_p.h | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/src/gui/itemviews/qstandarditemmodel_p.h b/src/gui/itemviews/qstandarditemmodel_p.h new file mode 100644 index 0000000..721194f --- /dev/null +++ b/src/gui/itemviews/qstandarditemmodel_p.h @@ -0,0 +1,189 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtGui 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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, 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. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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 <private/qwidgetitemdata_p.h> +#include <QtCore/qlist.h> +#include <QtCore/qpair.h> +#include <QtCore/qstack.h> +#include <QtCore/qvariant.h> +#include <QtCore/qvector.h> + +QT_BEGIN_NAMESPACE + +class QStandardItemPrivate +{ + Q_DECLARE_PUBLIC(QStandardItem) +public: + inline QStandardItemPrivate() + : model(0), + parent(0), + rows(0), + columns(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<QWidgetItemData> 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; + 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); + + QVector<QStandardItem*> columnHeaderItems; + QVector<QStandardItem*> rowHeaderItems; + QStandardItem *root; + const QStandardItem *itemPrototype; + int sortRole; +}; + +QT_END_NAMESPACE + +#endif // QT_NO_STANDARDITEMMODEL + +#endif // QSTANDARDITEMMODEL_P_H |