qtabwidget.h

/****************************************************************************
** $Id: qtabwidget.h,v 1.11 1999/06/22 15:43:02 ettrich Exp $
**
** Definition of QTabWidget class
**
** Created : 990318
**
** Copyright (C) 1992-1999 Troll Tech AS.  All rights reserved.
**
** This file is part of the Qt GUI Toolkit.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Troll Tech AS of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** Licensees holding valid Qt Professional Edition licenses may use this
** file in accordance with the Qt Professional Edition License Agreement
** provided with the Qt Professional Edition.
**
** See http://www.troll.no/pricing.html or email sales@troll.no for
** information about the Professional Edition licensing, or see
** http://www.troll.no/qpl/ for QPL licensing information.
**
*****************************************************************************/

#ifndef QTABWIDGET_H
#define QTABWIDGET_H

#ifndef QT_H
#include "qwidget.h"
#include "qiconset.h"
#endif // QT_H

class QTabBar;
class QTabWidgetData;
class QTab;
class QWidgetStack;


class Q_EXPORT QTabWidget : public QWidget
{
    Q_OBJECT
public:
    QTabWidget( QWidget *parent=0, const char *name=0);
   ~QTabWidget();

    void addTab( QWidget *, const QString &);
    void addTab( QWidget *child, const QIconSet& iconset, const QString &label);
    void addTab( QWidget *, QTab* );

    void insertTab( QWidget *, const QString &, int index = -1);
    void insertTab( QWidget *child, const QIconSet& iconset, const QString &label, int index = -1);
    void insertTab( QWidget *, QTab*, int index = -1 );

    void changeTab( QWidget *, const QString &);
    void changeTab( QWidget *child, const QIconSet& iconset, const QString &label);

    bool isTabEnabled(  QWidget * ) const;
    void setTabEnabled( QWidget *, bool );

    void showPage( QWidget * );
    void removePage( QWidget * );
    QString tabLabel( QWidget * );

    QWidget * currentPage() const;

    QSize sizeHint() const;
    QSize minimumSizeHint() const;

    enum TabPosition { Top, Bottom };
    TabPosition tabPosition() const;
    void setTabPosition( TabPosition );

    int margin() const;
    void setMargin( int );


protected:
    void showEvent( QShowEvent * );
    void resizeEvent( QResizeEvent * );
    void setTabBar( QTabBar* );
    QTabBar* tabBar() const;
    void styleChange( QStyle& );
    void updateMask();
    bool eventFilter( QObject *, QEvent * );

signals:
    void selected( const QString& );

private slots:
    void showTab( int i );

private:
    QTabWidgetData *d;
    void setUpLayout(bool = FALSE);

#if 1 //def TOTAL_LOSER_COMPILER
    friend class QTabDialog;
#else
    friend void QTabDialog::setTabBar( QTabBar* );
    friend void QTabBar* QTabDialog::tabBar() const;
#endif
};


#endif