--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/itemviews/qtreewidget_p.h Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,248 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (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 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 QTREEWIDGET_P_H
+#define QTREEWIDGET_P_H
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. This header file may change
+// from version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/qabstractitemmodel.h>
+#include <private/qabstractitemmodel_p.h>
+#include <QtCore/qpair.h>
+#include <QtCore/qbasictimer.h>
+#include <QtGui/qtreewidget.h>
+#include <private/qtreeview_p.h>
+#include <QtGui/qheaderview.h>
+
+#ifndef QT_NO_TREEWIDGET
+
+QT_BEGIN_NAMESPACE
+
+class QTreeWidgetItem;
+class QTreeWidgetItemIterator;
+class QTreeModelPrivate;
+
+class QTreeModel : public QAbstractItemModel
+{
+ Q_OBJECT
+ friend class QTreeWidget;
+ friend class QTreeWidgetPrivate;
+ friend class QTreeWidgetItem;
+ friend class QTreeWidgetItemPrivate;
+ friend class QTreeWidgetItemIterator;
+ friend class QTreeWidgetItemIteratorPrivate;
+
+public:
+ explicit QTreeModel(int columns = 0, QTreeWidget *parent = 0);
+ ~QTreeModel();
+
+ inline QTreeWidget *view() const
+ { return qobject_cast<QTreeWidget*>(QObject::parent()); }
+
+ void clear();
+ void setColumnCount(int columns);
+
+ QTreeWidgetItem *item(const QModelIndex &index) const;
+ void itemChanged(QTreeWidgetItem *item);
+
+ QModelIndex index(const QTreeWidgetItem *item, int column) const;
+ QModelIndex index(int row, int column, const QModelIndex &parent) const;
+ QModelIndex parent(const QModelIndex &child) const;
+ int rowCount(const QModelIndex &parent) const;
+ int columnCount(const QModelIndex &parent = QModelIndex()) const;
+ bool hasChildren(const QModelIndex &parent) const;
+
+ QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
+ bool setData(const QModelIndex &index, const QVariant &value, int role);
+
+ QMap<int, QVariant> itemData(const QModelIndex &index) const;
+
+ QVariant headerData(int section, Qt::Orientation orientation, int role) const;
+ bool setHeaderData(int section, Qt::Orientation orientation, const QVariant &value,
+ int role);
+
+ Qt::ItemFlags flags(const QModelIndex &index) const;
+
+ void sort(int column, Qt::SortOrder order);
+ void ensureSorted(int column, Qt::SortOrder order,
+ int start, int end, const QModelIndex &parent);
+ static bool itemLessThan(const QPair<QTreeWidgetItem*,int> &left,
+ const QPair<QTreeWidgetItem*,int> &right);
+ static bool itemGreaterThan(const QPair<QTreeWidgetItem*,int> &left,
+ const QPair<QTreeWidgetItem*,int> &right);
+ static QList<QTreeWidgetItem*>::iterator sortedInsertionIterator(
+ const QList<QTreeWidgetItem*>::iterator &begin,
+ const QList<QTreeWidgetItem*>::iterator &end,
+ Qt::SortOrder order, QTreeWidgetItem *item);
+
+ bool insertRows(int row, int count, const QModelIndex &);
+ bool insertColumns(int column, int count, const QModelIndex &);
+
+ bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex());
+
+ // dnd
+ QStringList mimeTypes() const;
+ QMimeData *mimeData(const QModelIndexList &indexes) const;
+ bool dropMimeData(const QMimeData *data, Qt::DropAction action,
+ int row, int column, const QModelIndex &parent);
+ Qt::DropActions supportedDropActions() const;
+
+ QMimeData *internalMimeData() const;
+
+ inline QModelIndex createIndexFromItem(int row, int col, QTreeWidgetItem *item) const
+ { return createIndex(row, col, item); }
+
+protected:
+ QTreeModel(QTreeModelPrivate &, QTreeWidget *parent = 0);
+ void emitDataChanged(QTreeWidgetItem *item, int column);
+ void beginInsertItems(QTreeWidgetItem *parent, int row, int count);
+ void endInsertItems();
+ void beginRemoveItems(QTreeWidgetItem *parent, int row, int count);
+ void endRemoveItems();
+ void sortItems(QList<QTreeWidgetItem*> *items, int column, Qt::SortOrder order);
+ void timerEvent(QTimerEvent *);
+
+private:
+ QTreeWidgetItem *rootItem;
+ QTreeWidgetItem *headerItem;
+
+ mutable QModelIndexList cachedIndexes;
+ QList<QTreeWidgetItemIterator*> iterators;
+
+ mutable QBasicTimer sortPendingTimer;
+ mutable bool skipPendingSort; //while doing internal operation we don't care about sorting
+ bool inline executePendingSort() const;
+
+ bool isChanging() const;
+
+private:
+ Q_DECLARE_PRIVATE(QTreeModel)
+public:
+ struct SkipSorting
+ {
+ const QTreeModel * const model;
+ const bool previous;
+ SkipSorting(const QTreeModel *m) : model(m), previous(model->skipPendingSort)
+ { model->skipPendingSort = true; }
+ ~SkipSorting() { model->skipPendingSort = previous; }
+ };
+ friend struct SkipSorting;
+};
+
+QT_BEGIN_INCLUDE_NAMESPACE
+#include "private/qabstractitemmodel_p.h"
+QT_END_INCLUDE_NAMESPACE
+
+class QTreeModelPrivate : public QAbstractItemModelPrivate
+{
+ Q_DECLARE_PUBLIC(QTreeModel)
+};
+
+class QTreeWidgetItemPrivate
+{
+public:
+ QTreeWidgetItemPrivate(QTreeWidgetItem *item)
+ : q(item), disabled(false), selected(false), rowGuess(-1), policy(QTreeWidgetItem::DontShowIndicatorWhenChildless) {}
+ void propagateDisabled(QTreeWidgetItem *item);
+ void sortChildren(int column, Qt::SortOrder order, bool climb);
+ QTreeWidgetItem *q;
+ QVariantList display;
+ uint disabled : 1;
+ uint selected : 1;
+ int rowGuess;
+ QTreeWidgetItem::ChildIndicatorPolicy policy;
+};
+
+
+inline bool QTreeModel::executePendingSort() const
+{
+ if (!skipPendingSort && sortPendingTimer.isActive() && !isChanging()) {
+ sortPendingTimer.stop();
+ int column = view()->header()->sortIndicatorSection();
+ Qt::SortOrder order = view()->header()->sortIndicatorOrder();
+ QTreeModel *that = const_cast<QTreeModel*>(this);
+ that->sort(column, order);
+ return true;
+ }
+ return false;
+}
+
+class QTreeWidgetPrivate : public QTreeViewPrivate
+{
+ friend class QTreeModel;
+ Q_DECLARE_PUBLIC(QTreeWidget)
+public:
+ QTreeWidgetPrivate() : QTreeViewPrivate(), explicitSortColumn(-1) {}
+ inline QTreeModel *treeModel() const { return qobject_cast<QTreeModel*>(model); }
+ inline QModelIndex index(const QTreeWidgetItem *item, int column = 0) const
+ { return treeModel()->index(item, column); }
+ inline QTreeWidgetItem *item(const QModelIndex &index) const
+ { return treeModel()->item(index); }
+ void _q_emitItemPressed(const QModelIndex &index);
+ void _q_emitItemClicked(const QModelIndex &index);
+ void _q_emitItemDoubleClicked(const QModelIndex &index);
+ void _q_emitItemActivated(const QModelIndex &index);
+ void _q_emitItemEntered(const QModelIndex &index);
+ void _q_emitItemChanged(const QModelIndex &index);
+ void _q_emitItemExpanded(const QModelIndex &index);
+ void _q_emitItemCollapsed(const QModelIndex &index);
+ void _q_emitCurrentItemChanged(const QModelIndex &previous, const QModelIndex &index);
+ void _q_sort();
+ void _q_dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
+ void _q_selectionChanged(const QItemSelection &selected, const QItemSelection &deselected);
+
+ // used by QTreeWidgetItem::sortChildren to make sure the column argument is used
+ int explicitSortColumn;
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_TREEWIDGET
+
+#endif // QTREEWIDGET_P_H