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

**

** 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 Qt3Support 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

** 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

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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 Q3COMBOBOX_H

#define Q3COMBOBOX_H

#include <QtGui/qwidget.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Qt3SupportLight)

#ifndef QT_NO_COMBOBOX

class Q3StrList;

class QStringList;

class QLineEdit;

class QValidator;

class Q3ListBox;

class Q3ComboBoxData;

class QWheelEvent;

class Q_COMPAT_EXPORT Q3ComboBox : public QWidget

{

    Q_OBJECT

    Q_ENUMS( Policy )

    Q_PROPERTY( bool editable READ editable WRITE setEditable )

    Q_PROPERTY( int count READ count )

    Q_PROPERTY( QString currentText READ currentText WRITE setCurrentText DESIGNABLE false )

    Q_PROPERTY( int currentItem READ currentItem WRITE setCurrentItem )

    Q_PROPERTY( bool autoResize READ autoResize WRITE setAutoResize DESIGNABLE false )

    Q_PROPERTY( int sizeLimit READ sizeLimit WRITE setSizeLimit )

    Q_PROPERTY( int maxCount READ maxCount WRITE setMaxCount )

    Q_PROPERTY( Policy insertionPolicy READ insertionPolicy WRITE setInsertionPolicy )

    Q_PROPERTY( bool autoCompletion READ autoCompletion WRITE setAutoCompletion )

    Q_PROPERTY( bool duplicatesEnabled READ duplicatesEnabled WRITE setDuplicatesEnabled )

public:

    Q3ComboBox( QWidget* parent=0, const char* name=0 );

    Q3ComboBox( bool rw, QWidget* parent=0, const char* name=0 );

    ~Q3ComboBox();

    int		count() const;

    void	insertStringList( const QStringList &, int index=-1 );

    void	insertStrList( const Q3StrList &, int index=-1 );

    void	insertStrList( const Q3StrList *, int index=-1 );

    void	insertStrList( const char **, int numStrings=-1, int index=-1);

    void	insertItem( const QString &text, int index=-1 );

    void	insertItem( const QPixmap &pixmap, int index=-1 );

    void	insertItem( const QPixmap &pixmap, const QString &text, int index=-1 );

    void	removeItem( int index );

    int		currentItem() const;

    virtual void setCurrentItem( int index );

    QString 	currentText() const;

    virtual void setCurrentText( const QString& );

    QString 	text( int index ) const;

    const QPixmap *pixmap( int index ) const;

    void	changeItem( const QString &text, int index );

    void	changeItem( const QPixmap &pixmap, int index );

    void	changeItem( const QPixmap &pixmap, const QString &text, int index );

    bool	autoResize()	const;

    virtual void setAutoResize( bool );

    QSize	sizeHint() const;

    void	setPalette( const QPalette & );

    void	setFont( const QFont & );

    void	setEnabled( bool );

    virtual void setSizeLimit( int );

    int		sizeLimit() const;

    virtual void setMaxCount( int );

    int		maxCount() const;

    enum Policy { NoInsertion,

                  AtTop,

                  AtCurrent,

                  AtBottom,

		  AfterCurrent,

                  BeforeCurrent,

                  NoInsert = NoInsertion,

                  InsertAtTop = AtTop,

                  InsertAtCurrent = AtCurrent,

                  InsertAtBottom = AtBottom,

                  InsertAfterCurrent = AfterCurrent,

                  InsertBeforeCurrent = BeforeCurrent

    };

    virtual void setInsertionPolicy( Policy policy );

    Policy	insertionPolicy() const;

    virtual void setValidator( const QValidator * );

    const QValidator * validator() const;

    virtual void setListBox( Q3ListBox * );

    Q3ListBox *	listBox() const;

    virtual void setLineEdit( QLineEdit *edit );

    QLineEdit*	lineEdit() const;

    virtual void setAutoCompletion( bool );

    bool	autoCompletion() const;

    bool	eventFilter( QObject *object, QEvent *event );

    void	setDuplicatesEnabled( bool enable );

    bool	duplicatesEnabled() const;

    bool	editable() const;

    void	setEditable( bool );

    virtual void popup();

    void	hide();

public Q_SLOTS:

    void	clear();

    void	clearValidator();

    void	clearEdit();

    virtual void setEditText( const QString &);

Q_SIGNALS:

    void	activated( int index );

    void	highlighted( int index );

    void	activated( const QString &);

    void	highlighted( const QString &);

    void	textChanged( const QString &);

private Q_SLOTS:

    void	internalActivate( int );

    void	internalHighlight( int );

    void	internalClickTimeout();

    void	returnPressed();

protected:

    void	paintEvent( QPaintEvent * );

    void	resizeEvent( QResizeEvent * );

    void	mousePressEvent( QMouseEvent * );

    void	mouseMoveEvent( QMouseEvent * );

    void	mouseReleaseEvent( QMouseEvent * );

    void	mouseDoubleClickEvent( QMouseEvent * );

    void	keyPressEvent( QKeyEvent *e );

    void	focusInEvent( QFocusEvent *e );

    void	focusOutEvent( QFocusEvent *e );

#ifndef QT_NO_WHEELEVENT

    void	wheelEvent( QWheelEvent *e );

#endif

    void	styleChange( QStyle& );

    void	updateMask();

private:

    void	setUpListBox();

    void	setUpLineEdit();

    void	popDownListBox();

    void	reIndex();

    void	currentChanged();

    int		completionIndex( const QString &, int ) const;

    Q3ComboBoxData	*d;

private:	// Disabled copy constructor and operator=

#if defined(Q_DISABLE_COPY)

    Q3ComboBox( const Q3ComboBox & );

    Q3ComboBox &operator=( const Q3ComboBox & );

#endif

};

#endif // QT_NO_COMBOBOX

QT_END_NAMESPACE

QT_END_HEADER

#endif // Q3COMBOBOX_H