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# qcombobox.h

This is the verbatim text of the qcombobox.h include file. It is provided only for illustration; the copyright remains with Trolltech.

    /**********************************************************************
    ** $Id: qt/qcombobox.h   3.3.3   edited Oct 27 2003 $
    **
    ** Definition of QComboBox class
    **
    ** Created : 950426
    **
    ** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.
    **
    ** This file is part of the widgets module of the Qt GUI Toolkit.
    **
    ** This file may be distributed under the terms of the Q Public License
    ** as defined by Trolltech AS of Norway and appearing in the file
    ** LICENSE.QPL included in the packaging of this file.
    **
    ** This file may be distributed and/or modified under the terms of the
    ** GNU General Public License version 2 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.GPL included in the
    ** packaging of this file.
    **
    ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
    ** licenses may use this file in accordance with the Qt Commercial License
    ** Agreement provided with the Software.
    **
    ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
    ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    **
    ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
    **   information about Qt Commercial License Agreements.
    ** See http://www.trolltech.com/qpl/ for QPL licensing information.
    ** See http://www.trolltech.com/gpl/ for GPL licensing information.
    **
    ** Contact info@trolltech.com if any conditions of this licensing are
    ** not clear to you.
    **
    **********************************************************************/

    #ifndef QCOMBOBOX_H
    #define QCOMBOBOX_H

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

    #ifndef QT_NO_COMBOBOX

    class QStrList;
    class QStringList;
    class QLineEdit;
    class QValidator;
    class QListBox;
    class QComboBoxData;
    class QWheelEvent;

    class Q_EXPORT QComboBox : 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 )
        Q_OVERRIDE( bool autoMask DESIGNABLE true SCRIPTABLE true )

    public:
        QComboBox( QWidget* parent=0, const char* name=0 );
        QComboBox( bool rw, QWidget* parent=0, const char* name=0 );
        ~QComboBox();

        int		count() const;

        void	insertStringList( const QStringList &, int index=-1 );
        void	insertStrList( const QStrList &, int index=-1 );
        void	insertStrList( const QStrList *, 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 };

        virtual void setInsertionPolicy( Policy policy );
        Policy	insertionPolicy() const;

        virtual void setValidator( const QValidator * );
        const QValidator * validator() const;

        virtual void setListBox( QListBox * );
        QListBox *	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 slots:
        void	clear();
        void	clearValidator();
        void	clearEdit();
        virtual void setEditText( const QString &);

    signals:
        void	activated( int index );
        void	highlighted( int index );
        void	activated( const QString &);
        void	highlighted( const QString &);
        void	textChanged( const QString &);

    private 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;

        QComboBoxData	*d;

    private:	// Disabled copy constructor and operator=
    #if defined(Q_DISABLE_COPY)
        QComboBox( const QComboBox & );
        QComboBox &operator=( const QComboBox & );
    #endif
    };

    #endif // QT_NO_COMBOBOX

    #endif // QCOMBOBOX_H