Long live Qt 4.5!

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+/****************************************************************************
+**
+** 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 QTOOLBARLAYOUT_P_H
+#define QTOOLBARLAYOUT_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtGui/qlayout.h>
+#include <private/qlayoutengine_p.h>
+#include <QVector>
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_TOOLBAR
+
+class QAction;
+class QToolBarExtension;
+class QMenu;
+
+class Q_GUI_EXPORT QToolBarItem : public QWidgetItem
+{
+public:
+    QToolBarItem(QWidget *widget);
+    bool isEmpty() const;
+
+    QAction *action;
+    bool customWidget;
+};
+
+class Q_GUI_EXPORT QToolBarLayout : public QLayout
+{
+    Q_OBJECT
+
+public:
+    QToolBarLayout(QWidget *parent = 0);
+    ~QToolBarLayout();
+
+    void addItem(QLayoutItem *item);
+    QLayoutItem *itemAt(int index) const;
+    QLayoutItem *takeAt(int index);
+    int count() const;
+
+    bool isEmpty() const;
+    void invalidate();
+    Qt::Orientations expandingDirections() const;
+
+    void setGeometry(const QRect &r);
+    QSize minimumSize() const;
+    QSize sizeHint() const;
+
+    void insertAction(int index, QAction *action);
+    int indexOf(QAction *action) const;
+    int indexOf(QWidget *widget) const { return QLayout::indexOf(widget); }
+
+    QRect handleRect() const;
+
+    bool layoutActions(const QSize &size);
+    QSize expandedSize(const QSize &size) const;
+    bool expanded, animating;
+
+    void setUsePopupMenu(bool set); // Yeah, there's no getter, but it's internal.
+    void checkUsePopupMenu();
+
+    bool movable() const;
+    void updateMarginAndSpacing();
+    bool hasExpandFlag() const;
+
+public slots:
+    void setExpanded(bool b);
+
+private:
+    QList<QToolBarItem*> items;
+    QSize hint, minSize;
+    bool dirty, expanding, empty, expandFlag;
+    QVector<QLayoutStruct> geomArray;
+    QRect handRect;
+    QToolBarExtension *extension;
+
+    void updateGeomArray() const;
+    QToolBarItem *createItem(QAction *action);
+    QMenu *popupMenu;
+};
+
+#endif // QT_NO_TOOLBAR
+
+QT_END_NAMESPACE
+
+#endif // QTOOLBARLAYOUT_P_H