Long live Qt 4.5!

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diff --git a/src/gui/widgets/qtabwidget.h b/src/gui/widgets/qtabwidget.h
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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 QTABWIDGET_H
+#define QTABWIDGET_H
+
+#include <QtGui/qwidget.h>
+#include <QtGui/qicon.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+#ifndef QT_NO_TABWIDGET
+
+class QTabBar;
+class QTabWidgetPrivate;
+class QStyleOptionTabWidgetFrame;
+
+class Q_GUI_EXPORT QTabWidget : public QWidget
+{
+    Q_OBJECT
+    Q_ENUMS(TabPosition TabShape)
+    Q_PROPERTY(TabPosition tabPosition READ tabPosition WRITE setTabPosition)
+    Q_PROPERTY(TabShape tabShape READ tabShape WRITE setTabShape)
+    Q_PROPERTY(int currentIndex READ currentIndex WRITE setCurrentIndex NOTIFY currentChanged)
+    Q_PROPERTY(int count READ count)
+    Q_PROPERTY(QSize iconSize READ iconSize WRITE setIconSize)
+    Q_PROPERTY(Qt::TextElideMode elideMode READ elideMode WRITE setElideMode)
+    Q_PROPERTY(bool usesScrollButtons READ usesScrollButtons WRITE setUsesScrollButtons)
+    Q_PROPERTY(bool documentMode READ documentMode WRITE setDocumentMode)
+    Q_PROPERTY(bool tabsClosable READ tabsClosable WRITE setTabsClosable)
+    Q_PROPERTY(bool movable READ isMovable WRITE setMovable)
+
+public:
+    explicit QTabWidget(QWidget *parent = 0);
+    ~QTabWidget();
+
+    int addTab(QWidget *widget, const QString &);
+    int addTab(QWidget *widget, const QIcon& icon, const QString &label);
+
+    int insertTab(int index, QWidget *widget, const QString &);
+    int insertTab(int index, QWidget *widget, const QIcon& icon, const QString &label);
+
+    void removeTab(int index);
+
+    bool isTabEnabled(int index) const;
+    void setTabEnabled(int index, bool);
+
+    QString tabText(int index) const;
+    void setTabText(int index, const QString &);
+
+    QIcon tabIcon(int index) const;
+    void setTabIcon(int index, const QIcon & icon);
+
+#ifndef QT_NO_TOOLTIP
+    void setTabToolTip(int index, const QString & tip);
+    QString tabToolTip(int index) const;
+#endif
+
+#ifndef QT_NO_WHATSTHIS
+    void setTabWhatsThis(int index, const QString &text);
+    QString tabWhatsThis(int index) const;
+#endif
+
+    int currentIndex() const;
+    QWidget *currentWidget() const;
+    QWidget *widget(int index) const;
+    int indexOf(QWidget *widget) const;
+    int count() const;
+
+    enum TabPosition { North, South, West, East
+#if defined(QT3_SUPPORT) && !defined(Q_MOC_RUN)
+        , Top = North, Bottom = South
+#endif
+    };
+    TabPosition tabPosition() const;
+    void setTabPosition(TabPosition);
+
+    bool tabsClosable() const;
+    void setTabsClosable(bool closeable);
+
+    bool isMovable() const;
+    void setMovable(bool movable);
+
+    enum TabShape { Rounded, Triangular };
+    TabShape tabShape() const;
+    void setTabShape(TabShape s);
+
+    QSize sizeHint() const;
+    QSize minimumSizeHint() const;
+
+    void setCornerWidget(QWidget * w, Qt::Corner corner = Qt::TopRightCorner);
+    QWidget * cornerWidget(Qt::Corner corner = Qt::TopRightCorner) const;
+
+    Qt::TextElideMode elideMode() const;
+    void setElideMode(Qt::TextElideMode);
+
+    QSize iconSize() const;
+    void setIconSize(const QSize &size);
+
+    bool usesScrollButtons() const;
+    void setUsesScrollButtons(bool useButtons);
+
+    bool documentMode() const;
+    void setDocumentMode(bool set);
+
+    void clear();
+
+public Q_SLOTS:
+    void setCurrentIndex(int index);
+    void setCurrentWidget(QWidget *widget);
+
+Q_SIGNALS:
+    void currentChanged(int index);
+    void tabCloseRequested(int index);
+
+protected:
+    virtual void tabInserted(int index);
+    virtual void tabRemoved(int index);
+
+    void showEvent(QShowEvent *);
+    void resizeEvent(QResizeEvent *);
+    void keyPressEvent(QKeyEvent *);
+    void paintEvent(QPaintEvent *);
+    void setTabBar(QTabBar *);
+    QTabBar* tabBar() const;
+    void changeEvent(QEvent *);
+    bool event(QEvent *);
+    void initStyleOption(QStyleOptionTabWidgetFrame *option) const;
+
+#ifdef QT3_SUPPORT
+public:
+    QT3_SUPPORT_CONSTRUCTOR QTabWidget(QWidget *parent, const char *name, Qt::WindowFlags f = 0);
+
+    inline QT3_SUPPORT void insertTab(QWidget * w, const QString &s, int index = -1) { insertTab(index, w, s); }
+    inline QT3_SUPPORT void insertTab(QWidget *child, const QIcon& icon,
+                                    const QString &label, int index = -1) { insertTab(index, child, icon, label); }
+
+    inline QT3_SUPPORT void changeTab(QWidget *w, const QString &s) {setTabText(indexOf(w), s); }
+    inline QT3_SUPPORT void changeTab(QWidget *w, const QIcon& icon,
+                                    const QString &label) { int idx = indexOf(w); setTabText(idx, label); setTabIcon(idx, icon); }
+
+    inline QT3_SUPPORT bool isTabEnabled( QWidget *w) const {return isTabEnabled(indexOf(w)); }
+    inline QT3_SUPPORT void setTabEnabled(QWidget *w, bool b) { setTabEnabled(indexOf(w), b); }
+
+    inline QT3_SUPPORT QString tabLabel(QWidget *w) const  {return tabText(indexOf(w)); }
+    inline QT3_SUPPORT void setTabLabel(QWidget *w, const QString &l) { setTabText(indexOf(w), l); }
+
+    inline QT3_SUPPORT QIcon tabIconSet(QWidget * w) const  {return tabIcon(indexOf(w)); }
+    inline QT3_SUPPORT void setTabIconSet(QWidget * w, const QIcon & icon) { setTabIcon(indexOf(w), icon); }
+
+    inline QT3_SUPPORT void removeTabToolTip(QWidget * w) {
+#ifndef QT_NO_TOOLTIP
+        setTabToolTip(indexOf(w), QString());
+#else
+        Q_UNUSED(w);
+#endif
+    }
+    inline QT3_SUPPORT void setTabToolTip(QWidget * w, const QString & tip) {
+#ifndef QT_NO_TOOLTIP
+        setTabToolTip(indexOf(w), tip);
+#else
+        Q_UNUSED(w);
+        Q_UNUSED(tip);
+#endif
+    }
+
+    inline QT3_SUPPORT QString tabToolTip(QWidget * w) const {
+#ifndef QT_NO_TOOLTIP
+        return tabToolTip(indexOf(w));
+#else
+        Q_UNUSED(w);
+        return QString();
+#endif
+    }
+
+    inline QT3_SUPPORT QWidget * currentPage() const { return currentWidget(); }
+    inline QT3_SUPPORT QWidget *page(int index) const { return widget(index); }
+    inline QT3_SUPPORT QString label(int index) const { return tabText(index); }
+    inline QT3_SUPPORT int currentPageIndex() const { return currentIndex(); }
+
+    inline QT3_SUPPORT int margin() const { return 0; }
+    inline QT3_SUPPORT void setMargin(int) {}
+
+public Q_SLOTS:
+    inline QT_MOC_COMPAT void setCurrentPage(int index) { setCurrentIndex(index); }
+    inline QT_MOC_COMPAT void showPage(QWidget *w) { setCurrentIndex(indexOf(w)); }
+    inline QT_MOC_COMPAT void removePage(QWidget *w) { removeTab(indexOf(w)); }
+
+Q_SIGNALS:
+    QT_MOC_COMPAT void currentChanged(QWidget *);
+    QT_MOC_COMPAT void selected(const QString&);
+#endif // QT3_SUPPORT
+
+private:
+    Q_DECLARE_PRIVATE(QTabWidget)
+    Q_DISABLE_COPY(QTabWidget)
+    Q_PRIVATE_SLOT(d_func(), void _q_showTab(int))
+    Q_PRIVATE_SLOT(d_func(), void _q_removeTab(int))
+    Q_PRIVATE_SLOT(d_func(), void _q_tabMoved(int, int))
+    void setUpLayout(bool = false);
+    friend class Q3TabDialog;
+};
+
+#endif // QT_NO_TABWIDGET
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QTABWIDGET_H