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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 - qlineedit.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>qlineedit.h</h1><br clear="all">This is the verbatim text of the qlineedit.h include file. It isprovided only for illustration; the copyrightremains with Trolltech.<hr><pre>/************************************************************************ $Id: qt/src/widgets/qlineedit.h 2.3.8 edited 2004-05-12 $**** Definition of QLineEdit widget class**** Created : 941011**** 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 QLINEEDIT_H#define QLINEEDIT_Hstruct QLineEditPrivate;class <a href="qcombobox.html">QComboBox</a>;class <a href="qvalidator.html">QValidator</a>;#ifndef QT_H#include "qwidget.h"#include "qstring.h"#endif // QT_H#ifndef QT_NO_LINEEDITclass Q_EXPORT <a href="qlineedit.html">QLineEdit</a> : public <a href="qwidget.html">QWidget</a>{ Q_OBJECT Q_ENUMS( EchoMode ) Q_PROPERTY( QString text READ text WRITE setText ) Q_PROPERTY( int maxLength READ maxLength WRITE setMaxLength ) Q_PROPERTY( bool frame READ frame WRITE setFrame ) Q_PROPERTY( EchoMode echoMode READ echoMode WRITE setEchoMode ) Q_PROPERTY( QString displayText READ displayText ) Q_PROPERTY( int cursorPosition READ cursorPosition WRITE setCursorPosition ) Q_PROPERTY( Alignment alignment READ alignment WRITE setAlignment ) Q_PROPERTY( bool edited READ edited WRITE setEdited ) Q_PROPERTY( bool hasMarkedText READ hasMarkedText ) Q_PROPERTY( QString markedText READ markedText ) public: QLineEdit( QWidget *parent, const char *name=0 ); QLineEdit( const QString &, QWidget *parent, const char *name=0 ); ~QLineEdit(); QString text() const; QString displayText() const; int maxLength() const; virtual void setMaxLength( int ); virtual void setFrame( bool ); bool frame() const; enum EchoMode { Normal, NoEcho, Password }; virtual void setEchoMode( EchoMode ); EchoMode echoMode() const;#if QT_VERSION >= 300#error "Make setReadOnly virtual"#endif void setReadOnly( bool ); bool isReadOnly() const; virtual void setValidator( const QValidator * ); const QValidator * validator() const; QSize sizeHint() const; QSize minimumSizeHint() const; QSizePolicy sizePolicy() const; virtual void setEnabled( bool ); virtual void setFont( const QFont & ); virtual void setPalette( const QPalette & ); virtual void setSelection( int, int ); virtual void setCursorPosition( int ); int cursorPosition() const; bool validateAndSet( const QString &, int, int, int );#ifndef QT_NO_CLIPBOARD void cut(); void copy() const; void paste();#endif void setAlignment( int flag ); int alignment() const; void cursorLeft( bool mark, int steps = 1 ); void cursorRight( bool mark, int steps = 1 ); void cursorWordForward( bool mark ); void cursorWordBackward( bool mark ); void backspace(); void del(); void home( bool mark ); void end( bool mark ); void setEdited( bool ); bool edited() const; bool hasMarkedText() const; QString markedText() const;#if defined(Q_INCOMPATIBLE_3_0_ADDONS) bool getSelection( int *start, int *end ); void setPasswordChar( QChar c ); QChar passwordChar() const;#endif public slots: virtual void setText( const QString &); void selectAll(); void deselect(); void clearValidator(); void insert( const QString &); void clear();signals: void textChanged( const QString &); void returnPressed();protected: bool event( QEvent * ); void mousePressEvent( QMouseEvent * ); void mouseMoveEvent( QMouseEvent * ); void mouseReleaseEvent( QMouseEvent * ); void mouseDoubleClickEvent( QMouseEvent * ); void keyPressEvent( QKeyEvent * ); void focusInEvent( QFocusEvent * ); void focusOutEvent( QFocusEvent * ); void paintEvent( QPaintEvent * ); void resizeEvent( QResizeEvent * ); void leaveEvent( QEvent * );#ifndef QT_NO_DRAGANDDROP void dragEnterEvent( QDragEnterEvent * ); void dropEvent( QDropEvent * );#endif void repaintArea( int, int );private slots: void clipboardChanged(); void blinkSlot(); void dragScrollSlot();#ifndef QT_NO_DRAGANDDROP void doDrag();#endifprivate: // kept void newMark( int pos, bool copy=TRUE ); void markWord( int pos ); int lastCharVisible() const; int minMark() const; int maxMark() const; int frameW() const;#ifndef QT_NO_QWS_IM void imStartEvent( QIMEvent * ); void imComposeEvent( QIMEvent * ); void imEndEvent( QIMEvent * ); bool composeMode() const;#endif void init(); QString tbuf; QLineEditPrivate * d; int cursorPos; int offset; int maxLen; int markAnchor; int markDrag; bool cursorOn; bool dragScrolling; bool scrollingLeft; int alignmentFlag; bool ed; void updateOffset(); int xPosToCursorPos( int ) const; void blinkOn(); void makePixmap() const; void undoInternal(); void redoInternal();private: // Disabled copy constructor and operator=#if defined(Q_DISABLE_COPY) QLineEdit( const QLineEdit & ); QLineEdit &operator=( const QLineEdit & );#endif};#endif // QT_NO_LINEEDIT#endif // QLINEEDIT_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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