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src/qt/src/widgets/qmultilineedit.h
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00001 /**********************************************************************
00002 ** $Id: qt/qmultilineedit.h   3.3.8   edited Jan 11 14:38 $
00003 **
00004 ** Definition of QMultiLineEdit widget class
00005 **
00006 ** Created : 961005
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 QMULTILINEEDIT_H
00039 #define QMULTILINEEDIT_H
00040 
00041 #ifndef QT_H
00042 #include "qtextedit.h"
00043 #endif // QT_H
00044 
00045 #ifndef QT_NO_MULTILINEEDIT
00046 
00047 class QMultiLineEditCommand;
00048 class QValidator;
00049 class QMultiLineEditData;
00050 
00051 class Q_EXPORT QMultiLineEdit : public QTextEdit
00052 {
00053     Q_OBJECT
00054     Q_PROPERTY( int numLines READ numLines )
00055     Q_PROPERTY( bool atBeginning READ atBeginning )
00056     Q_PROPERTY( bool atEnd READ atEnd )
00057     Q_PROPERTY( Alignment alignment READ alignment WRITE setAlignment )
00058     Q_PROPERTY( bool edited READ edited WRITE setEdited DESIGNABLE false )
00059 
00060 public:
00061     QMultiLineEdit( QWidget* parent=0, const char* name=0 );
00062     ~QMultiLineEdit();
00063 
00064     QString textLine( int line ) const;
00065     int numLines() const;
00066 
00067     virtual void insertLine( const QString &s, int line = -1 );
00068     virtual void insertAt( const QString &s, int line, int col ) {
00069         insertAt( s, line, col, FALSE );
00070     }
00071     virtual void insertAt( const QString &s, int line, int col, bool mark );
00072     virtual void removeLine( int line );
00073     virtual void setCursorPosition( int line, int col ) {
00074         setCursorPosition( line, col, FALSE );
00075     }
00076     virtual void setCursorPosition( int line, int col, bool mark );
00077     bool atBeginning() const;
00078     bool atEnd() const;
00079 
00080     void setAlignment( int flags );
00081     int alignment() const;
00082 
00083     void setEdited( bool );
00084     bool edited() const;
00085 
00086     bool hasMarkedText() const;
00087     QString markedText() const;
00088 
00089     void cursorWordForward( bool mark );
00090     void cursorWordBackward( bool mark );
00091 
00092     // noops
00093     bool autoUpdate() const { return TRUE; }
00094     virtual void setAutoUpdate( bool ) {}
00095 
00096     int totalWidth() const { return contentsWidth(); }
00097     int totalHeight() const { return contentsHeight(); }
00098 
00099     int maxLines() const { return QWIDGETSIZE_MAX; }
00100     void setMaxLines( int ) {}
00101 
00102 public slots:
00103     void deselect() { selectAll( FALSE ); }
00104 
00105 protected:
00106     QPoint      cursorPoint() const;
00107 
00108 protected:
00109     virtual void insertAndMark( const QString&, bool mark );
00110     virtual void newLine();
00111     virtual void killLine();
00112     virtual void pageUp( bool mark=FALSE );
00113     virtual void pageDown( bool mark=FALSE );
00114     virtual void cursorLeft( bool mark=FALSE, bool wrap = TRUE );
00115     virtual void cursorRight( bool mark=FALSE, bool wrap = TRUE );
00116     virtual void cursorUp( bool mark=FALSE );
00117     virtual void cursorDown( bool mark=FALSE );
00118     virtual void backspace();
00119     virtual void home( bool mark=FALSE );
00120     virtual void end( bool mark=FALSE );
00121 
00122     bool getMarkedRegion( int *line1, int *col1,
00123                           int *line2, int *col2 ) const;
00124     int lineLength( int row ) const;
00125 
00126 private:
00127     QMultiLineEditData *d;
00128 
00129 private:        // Disabled copy constructor and operator=
00130 #if defined(Q_DISABLE_COPY)
00131     QMultiLineEdit( const QMultiLineEdit & );
00132     QMultiLineEdit &operator=( const QMultiLineEdit & );
00133 #endif
00134 };
00135 
00136 #endif // QT_NO_MULTILINEEDIT
00137 
00138 #endif // QMULTILINED_H
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