/****************************************************************************

**

** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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** Contact: Nokia Corporation (qt-info@nokia.com)

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** This file is part of the QtGui module of the Qt Toolkit.

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** 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.

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** GNU Lesser General Public License Usage

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** 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

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** If you have questions regarding the use of this file, please contact

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** $QT_END_LICENSE$

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****************************************************************************/

#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())

};

#endif // QT_NO_TABBAR

QT_END_NAMESPACE

QT_END_HEADER

#endif // QTABBAR_H