Long live Qt!

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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 QTOOLBARAREALAYOUT_P_H
+#define QTOOLBARAREALAYOUT_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 <QList>
+#include <QSize>
+#include <QRect>
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_TOOLBAR
+
+class QToolBar;
+class QLayoutItem;
+class QMainWindow;
+class QStyleOptionToolBar;
+
+class QToolBarAreaLayoutItem
+{
+public:
+    QToolBarAreaLayoutItem(QLayoutItem *item = 0)
+        : widgetItem(item), pos(0), size(-1), extraSpace(0), gap(false) {}
+
+    bool skip() const;
+    QSize minimumSize() const;
+    QSize sizeHint() const;
+    QSize realSizeHint() const; 
+
+    QLayoutItem *widgetItem;
+    int pos;
+    int size;
+    int extraSpace;
+    bool gap;
+};
+
+class QToolBarAreaLayoutLine
+{
+public:
+    QToolBarAreaLayoutLine(Qt::Orientation orientation);
+
+    QSize sizeHint() const;
+    QSize minimumSize() const;
+
+    void fitLayout();
+    bool skip() const;
+
+    QRect rect;
+    Qt::Orientation o;
+
+    QList<QToolBarAreaLayoutItem> toolBarItems;
+};
+
+class QToolBarAreaLayoutInfo
+{
+public:
+    enum { EmptyDockAreaSize = 80 }; // when a dock area is empty, how "wide" is it?
+
+    QToolBarAreaLayoutInfo(QInternal::DockPosition pos = QInternal::TopDock);
+
+    QList<QToolBarAreaLayoutLine> lines;
+
+    QSize sizeHint() const;
+    QSize minimumSize() const;
+
+    void fitLayout();
+
+    QLayoutItem *insertToolBar(QToolBar *before, QToolBar *toolBar);
+    void insertItem(QToolBar *before, QLayoutItem *item);
+    void removeToolBar(QToolBar *toolBar);
+    void insertToolBarBreak(QToolBar *before);
+    void removeToolBarBreak(QToolBar *before);
+    void moveToolBar(QToolBar *toolbar, int pos); 
+
+    QList<int> gapIndex(const QPoint &pos) const;
+    bool insertGap(QList<int> path, QLayoutItem *item);
+    void clear();
+    QRect itemRect(QList<int> path) const;
+    QRect appendLineDropRect() const;
+
+    QRect rect;
+    Qt::Orientation o;
+    QInternal::DockPosition dockPos;
+    bool dirty;
+};
+
+class QToolBarAreaLayout
+{
+public:
+    enum { // sentinel values used to validate state data
+        ToolBarStateMarker = 0xfe,
+        ToolBarStateMarkerEx = 0xfc
+    };
+
+    QRect rect;
+    QMainWindow *mainWindow;
+    QToolBarAreaLayoutInfo docks[4];
+    bool visible;
+
+    QToolBarAreaLayout(QMainWindow *win);
+
+    QRect fitLayout();
+
+    QSize minimumSize(const QSize &centerMin) const;
+    QRect rectHint(const QRect &r) const;
+    QSize sizeHint(const QSize &center) const;
+    void apply(bool animate);
+
+    QLayoutItem *itemAt(int *x, int index) const;
+    QLayoutItem *takeAt(int *x, int index);
+    void deleteAllLayoutItems();
+
+    QLayoutItem *insertToolBar(QToolBar *before, QToolBar *toolBar);
+    void removeToolBar(QToolBar *toolBar);
+    QLayoutItem *addToolBar(QInternal::DockPosition pos, QToolBar *toolBar);
+    void insertToolBarBreak(QToolBar *before);
+    void removeToolBarBreak(QToolBar *before);
+    void addToolBarBreak(QInternal::DockPosition pos);
+    void moveToolBar(QToolBar *toolbar, int pos); 
+
+    void insertItem(QInternal::DockPosition pos, QLayoutItem *item);
+    void insertItem(QToolBar *before, QLayoutItem *item);
+
+    QInternal::DockPosition findToolBar(QToolBar *toolBar) const;
+    bool toolBarBreak(QToolBar *toolBar) const;
+
+    void getStyleOptionInfo(QStyleOptionToolBar *option, QToolBar *toolBar) const;
+
+    QList<int> indexOf(QWidget *toolBar) const;
+    QList<int> gapIndex(const QPoint &pos) const;
+    QList<int> currentGapIndex() const;
+    bool insertGap(QList<int> path, QLayoutItem *item);
+    void remove(QList<int> path);
+    void remove(QLayoutItem *item);
+    void clear();
+    QToolBarAreaLayoutItem &item(QList<int> path);
+    QRect itemRect(QList<int> path) const;
+    QLayoutItem *plug(QList<int> path);
+    QLayoutItem *unplug(QList<int> path, QToolBarAreaLayout *other);
+
+    void saveState(QDataStream &stream) const;
+    bool restoreState(QDataStream &stream, const QList<QToolBar*> &toolBars, uchar tmarker, bool pre43, bool testing = false);
+    bool isEmpty() const;
+};
+
+
+QT_END_NAMESPACE
+#endif // QT_NO_TOOLBAR
+#endif // QTOOLBARAREALAYOUT_P_H