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src/qt/src/widgets/qcombobox.h
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00001 /**********************************************************************
00002 ** $Id: qt/qcombobox.h   3.3.8   edited Jan 11 14:38 $
00003 **
00004 ** Definition of QComboBox class
00005 **
00006 ** Created : 950426
00007 **
00008 ** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
00009 **
00010 ** This file is part of the widgets module of the Qt GUI Toolkit.
00011 **
00012 ** This file may be distributed under the terms of the Q Public License
00013 ** as defined by Trolltech ASA of Norway and appearing in the file
00014 ** LICENSE.QPL included in the packaging of this file.
00015 **
00016 ** This file may be distributed and/or modified under the terms of the
00017 ** GNU General Public License version 2 as published by the Free Software
00018 ** Foundation and appearing in the file LICENSE.GPL included in the
00019 ** packaging of this file.
00020 **
00021 ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
00022 ** licenses may use this file in accordance with the Qt Commercial License
00023 ** Agreement provided with the Software.
00024 **
00025 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
00026 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
00027 **
00028 ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
00029 **   information about Qt Commercial License Agreements.
00030 ** See http://www.trolltech.com/qpl/ for QPL licensing information.
00031 ** See http://www.trolltech.com/gpl/ for GPL licensing information.
00032 **
00033 ** Contact info@trolltech.com if any conditions of this licensing are
00034 ** not clear to you.
00035 **
00036 **********************************************************************/
00037 
00038 #ifndef QCOMBOBOX_H
00039 #define QCOMBOBOX_H
00040 
00041 #ifndef QT_H
00042 #include "qwidget.h"
00043 #endif // QT_H
00044 
00045 #ifndef QT_NO_COMBOBOX
00046 
00047 
00048 class QStrList;
00049 class QStringList;
00050 class QLineEdit;
00051 class QValidator;
00052 class QListBox;
00053 class QComboBoxData;
00054 class QWheelEvent;
00055 
00056 class Q_EXPORT QComboBox : public QWidget
00057 {
00058     Q_OBJECT
00059     Q_ENUMS( Policy )
00060     Q_PROPERTY( bool editable READ editable WRITE setEditable )
00061     Q_PROPERTY( int count READ count )
00062     Q_PROPERTY( QString currentText READ currentText WRITE setCurrentText DESIGNABLE false )
00063     Q_PROPERTY( int currentItem READ currentItem WRITE setCurrentItem )
00064     Q_PROPERTY( bool autoResize READ autoResize WRITE setAutoResize DESIGNABLE false )
00065     Q_PROPERTY( int sizeLimit READ sizeLimit WRITE setSizeLimit )
00066     Q_PROPERTY( int maxCount READ maxCount WRITE setMaxCount )
00067     Q_PROPERTY( Policy insertionPolicy READ insertionPolicy WRITE setInsertionPolicy )
00068     Q_PROPERTY( bool autoCompletion READ autoCompletion WRITE setAutoCompletion )
00069     Q_PROPERTY( bool duplicatesEnabled READ duplicatesEnabled WRITE setDuplicatesEnabled )
00070     Q_OVERRIDE( bool autoMask DESIGNABLE true SCRIPTABLE true )
00071 
00072 public:
00073     QComboBox( QWidget* parent=0, const char* name=0 );
00074     QComboBox( bool rw, QWidget* parent=0, const char* name=0 );
00075     ~QComboBox();
00076 
00077     int         count() const;
00078 
00079     void        insertStringList( const QStringList &, int index=-1 );
00080     void        insertStrList( const QStrList &, int index=-1 );
00081     void        insertStrList( const QStrList *, int index=-1 );
00082     void        insertStrList( const char **, int numStrings=-1, int index=-1);
00083 
00084     void        insertItem( const QString &text, int index=-1 );
00085     void        insertItem( const QPixmap &pixmap, int index=-1 );
00086     void        insertItem( const QPixmap &pixmap, const QString &text, int index=-1 );
00087 
00088     void        removeItem( int index );
00089 
00090     int         currentItem() const;
00091     virtual void setCurrentItem( int index );
00092 
00093     QString     currentText() const;
00094     virtual void setCurrentText( const QString& );
00095 
00096     QString     text( int index ) const;
00097     const QPixmap *pixmap( int index ) const;
00098 
00099     void        changeItem( const QString &text, int index );
00100     void        changeItem( const QPixmap &pixmap, int index );
00101     void        changeItem( const QPixmap &pixmap, const QString &text, int index );
00102 
00103     bool        autoResize()    const;
00104     virtual void setAutoResize( bool );
00105     QSize       sizeHint() const;
00106 
00107     void        setPalette( const QPalette & );
00108     void        setFont( const QFont & );
00109     void        setEnabled( bool );
00110 
00111     virtual void setSizeLimit( int );
00112     int         sizeLimit() const;
00113 
00114     virtual void setMaxCount( int );
00115     int         maxCount() const;
00116 
00117     enum Policy { NoInsertion, AtTop, AtCurrent, AtBottom,
00118                   AfterCurrent, BeforeCurrent };
00119 
00120     virtual void setInsertionPolicy( Policy policy );
00121     Policy      insertionPolicy() const;
00122 
00123     virtual void setValidator( const QValidator * );
00124     const QValidator * validator() const;
00125 
00126     virtual void setListBox( QListBox * );
00127     QListBox *  listBox() const;
00128 
00129     virtual void setLineEdit( QLineEdit *edit );
00130     QLineEdit*  lineEdit() const;
00131 
00132     virtual void setAutoCompletion( bool );
00133     bool        autoCompletion() const;
00134 
00135     bool        eventFilter( QObject *object, QEvent *event );
00136 
00137     void        setDuplicatesEnabled( bool enable );
00138     bool        duplicatesEnabled() const;
00139 
00140     bool        editable() const;
00141     void        setEditable( bool );
00142 
00143     virtual void popup();
00144 
00145     void        hide();
00146 
00147 public slots:
00148     void        clear();
00149     void        clearValidator();
00150     void        clearEdit();
00151     virtual void setEditText( const QString &);
00152 
00153 signals:
00154     void        activated( int index );
00155     void        highlighted( int index );
00156     void        activated( const QString &);
00157     void        highlighted( const QString &);
00158     void        textChanged( const QString &);
00159 
00160 private slots:
00161     void        internalActivate( int );
00162     void        internalHighlight( int );
00163     void        internalClickTimeout();
00164     void        returnPressed();
00165 
00166 protected:
00167     void        paintEvent( QPaintEvent * );
00168     void        resizeEvent( QResizeEvent * );
00169     void        mousePressEvent( QMouseEvent * );
00170     void        mouseMoveEvent( QMouseEvent * );
00171     void        mouseReleaseEvent( QMouseEvent * );
00172     void        mouseDoubleClickEvent( QMouseEvent * );
00173     void        keyPressEvent( QKeyEvent *e );
00174     void        focusInEvent( QFocusEvent *e );
00175     void        focusOutEvent( QFocusEvent *e );
00176 #ifndef QT_NO_WHEELEVENT
00177     void        wheelEvent( QWheelEvent *e );
00178 #endif
00179     void        styleChange( QStyle& );
00180 
00181     void        updateMask();
00182 
00183 private:
00184     void        setUpListBox();
00185     void        setUpLineEdit();
00186     void        popDownListBox();
00187     void        reIndex();
00188     void        currentChanged();
00189     int         completionIndex( const QString &, int ) const;
00190 
00191     QComboBoxData       *d;
00192 
00193 private:        // Disabled copy constructor and operator=
00194 #if defined(Q_DISABLE_COPY)
00195     QComboBox( const QComboBox & );
00196     QComboBox &operator=( const QComboBox & );
00197 #endif
00198 };
00199 
00200 
00201 #endif // QT_NO_COMBOBOX
00202 
00203 #endif // QCOMBOBOX_H
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