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 QTABBAR_H
+#define QTABBAR_H
+
+#include <QtGui/qwidget.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+#ifndef QT_NO_TABBAR
+
+class QIcon;
+class QTabBarPrivate;
+class QStyleOptionTab;
+
+class Q_GUI_EXPORT QTabBar: public QWidget
+{
+    Q_OBJECT
+
+    Q_ENUMS(Shape)
+    Q_PROPERTY(Shape shape READ shape WRITE setShape)
+    Q_PROPERTY(int currentIndex READ currentIndex WRITE setCurrentIndex NOTIFY currentChanged)
+    Q_PROPERTY(int count READ count)
+    Q_PROPERTY(bool drawBase READ drawBase WRITE setDrawBase)
+    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 tabsClosable READ tabsClosable WRITE setTabsClosable)
+    Q_PROPERTY(SelectionBehavior selectionBehaviorOnRemove READ selectionBehaviorOnRemove WRITE setSelectionBehaviorOnRemove)
+    Q_PROPERTY(bool expanding READ expanding WRITE setExpanding)
+    Q_PROPERTY(bool movable READ isMovable WRITE setMovable)
+    Q_PROPERTY(bool documentMode READ documentMode WRITE setDocumentMode)
+
+public:
+    explicit QTabBar(QWidget* parent=0);
+    ~QTabBar();
+
+    enum Shape { RoundedNorth, RoundedSouth, RoundedWest, RoundedEast,
+                 TriangularNorth, TriangularSouth, TriangularWest, TriangularEast
+#if defined(QT3_SUPPORT) && !defined(Q_MOC_RUN)
+                , RoundedAbove = RoundedNorth, RoundedBelow = RoundedSouth,
+                TriangularAbove = TriangularNorth, TriangularBelow = TriangularSouth
+#endif
+    };
+
+    enum ButtonPosition {
+        LeftSide,
+        RightSide
+    };
+
+    enum SelectionBehavior {
+        SelectLeftTab,
+        SelectRightTab,
+        SelectPreviousTab
+    };
+
+    Shape shape() const;
+    void setShape(Shape shape);
+
+    int addTab(const QString &text);
+    int addTab(const QIcon &icon, const QString &text);
+
+    int insertTab(int index, const QString &text);
+    int insertTab(int index, const QIcon&icon, const QString &text);
+
+    void removeTab(int index);
+    void moveTab(int from, int to);
+
+    bool isTabEnabled(int index) const;
+    void setTabEnabled(int index, bool);
+
+    QString tabText(int index) const;
+    void setTabText(int index, const QString &text);
+
+    QColor tabTextColor(int index) const;
+    void setTabTextColor(int index, const QColor &color);
+
+    QIcon tabIcon(int index) const;
+    void setTabIcon(int index, const QIcon &icon);
+
+    Qt::TextElideMode elideMode() const;
+    void setElideMode(Qt::TextElideMode);
+
+#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
+
+    void setTabData(int index, const QVariant &data);
+    QVariant tabData(int index) const;
+
+    QRect tabRect(int index) const;
+    int tabAt(const QPoint &pos) const;
+
+    int currentIndex() const;
+    int count() const;
+
+    QSize sizeHint() const;
+    QSize minimumSizeHint() const;
+
+    void setDrawBase(bool drawTheBase);
+    bool drawBase() const;
+
+    QSize iconSize() const;
+    void setIconSize(const QSize &size);
+
+    bool usesScrollButtons() const;
+    void setUsesScrollButtons(bool useButtons);
+
+    bool tabsClosable() const;
+    void setTabsClosable(bool closable);
+
+    void setTabButton(int index, ButtonPosition position, QWidget *widget);
+    QWidget *tabButton(int index, ButtonPosition position) const;
+
+    SelectionBehavior selectionBehaviorOnRemove() const;
+    void setSelectionBehaviorOnRemove(SelectionBehavior behavior);
+
+    bool expanding() const;
+    void setExpanding(bool enabled);
+
+    bool isMovable() const;
+    void setMovable(bool movable);
+
+    bool documentMode() const;
+    void setDocumentMode(bool set);
+
+public Q_SLOTS:
+    void setCurrentIndex(int index);
+
+Q_SIGNALS:
+    void currentChanged(int index);
+    void tabCloseRequested(int index);
+    void tabMoved(int from, int to);
+
+protected:
+    virtual QSize tabSizeHint(int index) const;
+    virtual void tabInserted(int index);
+    virtual void tabRemoved(int index);
+    virtual void tabLayoutChange();
+
+    bool event(QEvent *);
+    void resizeEvent(QResizeEvent *);
+    void showEvent(QShowEvent *);
+    void hideEvent(QHideEvent *);
+    void paintEvent(QPaintEvent *);
+    void mousePressEvent (QMouseEvent *);
+    void mouseMoveEvent (QMouseEvent *);
+    void mouseReleaseEvent (QMouseEvent *);
+#ifndef QT_NO_WHEELEVENT
+    void wheelEvent(QWheelEvent *event);
+#endif
+    void keyPressEvent(QKeyEvent *);
+    void changeEvent(QEvent *);
+    void initStyleOption(QStyleOptionTab *option, int tabIndex) const;
+
+#ifdef QT3_SUPPORT
+public Q_SLOTS:
+    QT_MOC_COMPAT void setCurrentTab(int index) { setCurrentIndex(index); }
+Q_SIGNALS:
+    QT_MOC_COMPAT void selected(int);
+#endif
+
+    friend class QAccessibleTabBar;
+private:
+    Q_DISABLE_COPY(QTabBar)
+    Q_DECLARE_PRIVATE(QTabBar)
+    Q_PRIVATE_SLOT(d_func(), void _q_scrollTabs())
+    Q_PRIVATE_SLOT(d_func(), void _q_closeTab())
+    Q_PRIVATE_SLOT(d_func(), void _q_moveTab(int))
+    Q_PRIVATE_SLOT(d_func(), void _q_moveTabFinished())
+};
+
+#endif // QT_NO_TABBAR
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QTABBAR_H