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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 - qlistbox.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>qlistbox.h</h1><br clear="all">This is the verbatim text of the qlistbox.h include file. It isprovided only for illustration; the copyrightremains with Trolltech.<hr><pre>/************************************************************************ $Id: qt/src/widgets/qlistbox.h 2.3.8 edited 2004-05-12 $**** Definition of QListBox widget class**** Created : 941121**** 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 QLISTBOX_H#define QLISTBOX_H#ifndef QT_H#include "qscrollview.h"#include "qpixmap.h"#include "qtimer.h"#endif // QT_H#ifndef QT_NO_LISTBOXclass QListBoxPrivate;class <a href="qlistboxitem.html">QListBoxItem</a>;class <a href="qstring.html">QString</a>;class <a href="qstrlist.html">QStrList</a>;class <a href="qstringlist.html">QStringList</a>;class Q_EXPORT <a href="qlistbox.html">QListBox</a> : public <a href="qscrollview.html">QScrollView</a>{ friend class QListBoxItem; friend class QListBoxPrivate; Q_OBJECT Q_ENUMS( SelectionMode LayoutMode ) Q_PROPERTY( uint count READ count ) Q_PROPERTY( int numItemsVisible READ numItemsVisible ) Q_PROPERTY( int currentItem READ currentItem WRITE setCurrentItem DESIGNABLE false ) Q_PROPERTY( QString currentText READ currentText ) Q_PROPERTY( int topItem READ topItem WRITE setTopItem DESIGNABLE false ) Q_PROPERTY( SelectionMode selectionMode READ selectionMode WRITE setSelectionMode ) Q_PROPERTY( bool multiSelection READ isMultiSelection WRITE setMultiSelection DESIGNABLE false ) Q_PROPERTY( LayoutMode columnMode READ columnMode WRITE setColumnMode ) Q_PROPERTY( LayoutMode rowMode READ rowMode WRITE setRowMode ) Q_PROPERTY( int numColumns READ numColumns ) Q_PROPERTY( int numRows READ numRows ) Q_PROPERTY( bool variableWidth READ variableWidth WRITE setVariableWidth ) Q_PROPERTY( bool variableHeight READ variableHeight WRITE setVariableHeight ) public: QListBox( QWidget *parent=0, const char *name=0, WFlags f=0 ); ~QListBox(); virtual void setFont( const QFont & ); uint 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 QListBoxItem *, int index=-1 ); void insertItem( const QListBoxItem *, const QListBoxItem *after ); 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 text( int index ) const; const QPixmap *pixmap( int index ) const; void changeItem( const QListBoxItem *, int index ); void changeItem( const QString &text, int index ); void changeItem( const QPixmap &pixmap, int index ); void changeItem( const QPixmap &pixmap, const QString &text, int index ); void takeItem( const QListBoxItem * ); int numItemsVisible() const; int currentItem() const; QString currentText() const { return text(currentItem()); } virtual void setCurrentItem( int index ); virtual void setCurrentItem( QListBoxItem * ); void centerCurrentItem() { ensureCurrentVisible(); } int topItem() const; virtual void setTopItem( int index ); virtual void setBottomItem( int index ); long maxItemWidth() const; enum SelectionMode { Single, Multi, Extended, NoSelection }; virtual void setSelectionMode( SelectionMode ); SelectionMode selectionMode() const; void setMultiSelection( bool multi ); bool isMultiSelection() const; virtual void setSelected( QListBoxItem *, bool ); void setSelected( int, bool ); bool isSelected( int ) const; bool isSelected( const QListBoxItem * ) const; QSize sizeHint() const; QSize minimumSizeHint() const; QListBoxItem *item( int index ) const; int index( const QListBoxItem * ) const; QListBoxItem *findItem( const QString &text ) const; void triggerUpdate( bool doLayout ); bool itemVisible( int index ); bool itemVisible( const QListBoxItem * ); enum LayoutMode { FixedNumber, FitToWidth, FitToHeight = FitToWidth, Variable }; virtual void setColumnMode( LayoutMode ); virtual void setColumnMode( int ); virtual void setRowMode( LayoutMode ); virtual void setRowMode( int ); LayoutMode columnMode() const; LayoutMode rowMode() const; int numColumns() const; int numRows() const; bool variableWidth() const; virtual void setVariableWidth( bool ); bool variableHeight() const; virtual void setVariableHeight( bool ); void viewportPaintEvent( QPaintEvent * );#ifndef QT_NO_COMPAT // obsolete, provided for source compatibility bool dragSelect() const { return TRUE; } void setDragSelect( bool ) {} bool autoScroll() const { return TRUE; } void setAutoScroll( bool ) {} bool autoScrollBar() const { return vScrollBarMode() == Auto; } void setAutoScrollBar( bool enable ) { setVScrollBarMode( enable ? Auto : AlwaysOff ); } bool scrollBar() const { return vScrollBarMode() != AlwaysOff; } void setScrollBar( bool enable ) { setVScrollBarMode( enable ? AlwaysOn : AlwaysOff ); } bool autoBottomScrollBar() const { return hScrollBarMode() == Auto; } void setAutoBottomScrollBar( bool enable ) { setHScrollBarMode( enable ? Auto : AlwaysOff ); } bool bottomScrollBar() const { return hScrollBarMode() != AlwaysOff; } void setBottomScrollBar( bool enable ) { setHScrollBarMode( enable ? AlwaysOn : AlwaysOff ); } bool smoothScrolling() const { return FALSE; } void setSmoothScrolling( bool ) {} bool autoUpdate() const { return TRUE; } void setAutoUpdate( bool ) {} void setFixedVisibleLines( int lines ) { setRowMode( lines ); } void inSort( const QListBoxItem * ); void inSort( const QString& text ); int cellHeight( int i ) const { return itemHeight(i); } int cellHeight() const { return itemHeight(); } int cellWidth() const { return maxItemWidth(); }⌨️ 快捷键说明
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