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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Qt Toolkit - qcombobox.h include file</title><style type="text/css"><!--h3.fn,span.fn { margin-left: 1cm; text-indent: -1cm; }a:link { color: #004faf; text-decoration: none }a:visited { color: #672967; text-decoration: none }body { background: white; color: black; }--></style></head><body bgcolor="#ffffff"><table width="100%"><tr><td><a href="index.html"><img width="100" height="100" src="qtlogo.png"alt="Home" border="0"><img width="100"height="100" src="face.png" alt="Home" border="0"></a><td valign="top"><div align="right"><img src="dochead.png" width="472" height="27"><br><a href="classes.html"><b>Classes</b></a>- <a href="annotated.html">Annotated</a>- <a href="hierarchy.html">Tree</a>- <a href="functions.html">Functions</a>- <a href="index.html">Home</a>- <a href="topicals.html"><b>Structure</b> <font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" align="center" size=32>Qte</font></a></div></table><h1 align=center>qcombobox.h</h1><br clear="all">This is the verbatim text of the qcombobox.h include file. It isprovided only for illustration; the copyrightremains with Trolltech.<hr><pre>/************************************************************************ $Id: qt/src/widgets/qcombobox.h 2.3.8 edited 2004-05-12 $**** 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_COMBOBOXstruct QComboData;class <a href="qstrlist.html">QStrList</a>;class <a href="qstringlist.html">QStringList</a>;class <a href="qlineedit.html">QLineEdit</a>;class <a href="qvalidator.html">QValidator</a>;class <a href="qlistbox.html">QListBox</a>;class Q_EXPORT <a href="qcombobox.html">QComboBox</a> : public <a href="qwidget.html">QWidget</a>{ 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 ) Q_PROPERTY( int currentItem READ currentItem WRITE setCurrentItem ) Q_PROPERTY( bool autoResize READ autoResize WRITE setAutoResize ) 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: 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 ); void clear(); QString currentText() const; 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 ); int currentItem() const; virtual void setCurrentItem( int index ); bool autoResize() const; virtual void setAutoResize( bool ); QSize sizeHint() const; virtual QSizePolicy sizePolicy() const; virtual void setBackgroundColor( const QColor & ); virtual void setPalette( const QPalette & ); virtual void setFont( const QFont & ); virtual 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; 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 );public slots: 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 styleChange( QStyle& ); void popup(); //#### virtual in 3.0 void updateMask();private: void setUpListBox(); void setUpLineEdit(); void popDownListBox(); void reIndex(); void currentChanged(); QRect arrowRect() const; bool getMetrics( int *dist, int *buttonW, int *buttonH ) const; QComboData *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</pre><p><address><hr><div align="center"><table width="100%" cellspacing="0" border="0"><tr><td>Copyright ⌨️ 快捷键说明
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