src/gui/itemviews/qlistwidget_p.h
changeset 0 1918ee327afb
child 3 41300fa6a67c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/itemviews/qlistwidget_p.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,174 @@
+/****************************************************************************
+**
+** 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 QLISTWIDGET_P_H
+#define QLISTWIDGET_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 <QtGui/qabstractitemview.h>
+#include <QtGui/qlistwidget.h>
+#include <qitemdelegate.h>
+#include <private/qlistview_p.h>
+#include <private/qwidgetitemdata_p.h>
+
+#ifndef QT_NO_LISTWIDGET
+
+QT_BEGIN_NAMESPACE
+
+class QListModelLessThan
+{
+public:
+    inline bool operator()(QListWidgetItem *i1, QListWidgetItem *i2) const
+        { return *i1 < *i2; }
+};
+
+class QListModelGreaterThan
+{
+public:
+    inline bool operator()(QListWidgetItem *i1, QListWidgetItem *i2) const
+        { return *i2 < *i1; }
+};
+
+class QListModel : public QAbstractListModel
+{
+    Q_OBJECT
+public:
+    QListModel(QListWidget *parent);
+    ~QListModel();
+
+    void clear();
+    QListWidgetItem *at(int row) const;
+    void insert(int row, QListWidgetItem *item);
+    void insert(int row, const QStringList &items);
+    void remove(QListWidgetItem *item);
+    QListWidgetItem *take(int row);
+
+    int rowCount(const QModelIndex &parent = QModelIndex()) const;
+
+    QModelIndex index(QListWidgetItem *item) const;
+    QModelIndex index(int row, int column = 0, const QModelIndex &parent = QModelIndex()) 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;
+
+    bool insertRows(int row, int count = 1, const QModelIndex &parent = QModelIndex());
+    bool removeRows(int row, int count = 1, const QModelIndex &parent = QModelIndex());
+
+    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);
+    static bool itemLessThan(const QPair<QListWidgetItem*,int> &left,
+                             const QPair<QListWidgetItem*,int> &right);
+    static bool itemGreaterThan(const QPair<QListWidgetItem*,int> &left,
+                                const QPair<QListWidgetItem*,int> &right);
+    static QList<QListWidgetItem*>::iterator sortedInsertionIterator(
+        const QList<QListWidgetItem*>::iterator &begin,
+        const QList<QListWidgetItem*>::iterator &end,
+        Qt::SortOrder order, QListWidgetItem *item);
+
+    void itemChanged(QListWidgetItem *item);
+
+    // dnd
+    QStringList mimeTypes() const;
+    QMimeData *mimeData(const QModelIndexList &indexes) const;
+#ifndef QT_NO_DRAGANDDROP
+    bool dropMimeData(const QMimeData *data, Qt::DropAction action,
+                      int row, int column, const QModelIndex &parent);
+    Qt::DropActions supportedDropActions() const;
+#endif
+
+    QMimeData *internalMimeData()  const;
+private:
+    QList<QListWidgetItem*> items;
+
+    // A cache must be mutable if get-functions should have const modifiers
+    mutable QModelIndexList cachedIndexes;
+};
+
+
+
+class QListWidgetPrivate : public QListViewPrivate
+{
+    Q_DECLARE_PUBLIC(QListWidget)
+public:
+    QListWidgetPrivate() : QListViewPrivate(), sortOrder(Qt::AscendingOrder), sortingEnabled(false) {}
+    inline QListModel *listModel() const { return qobject_cast<QListModel*>(model); }
+    void setup();
+    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_emitCurrentItemChanged(const QModelIndex &current, const QModelIndex &previous);
+    void _q_sort();
+    void _q_dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
+    Qt::SortOrder sortOrder;
+    bool sortingEnabled;
+};
+
+class QListWidgetItemPrivate
+{
+public:
+    QListWidgetItemPrivate(QListWidgetItem *item) : q(item), theid(-1) {}
+    QListWidgetItem *q;
+    QVector<QWidgetItemData> values;
+    int theid;
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_LISTWIDGET
+
+#endif // QLISTWIDGET_P_H