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7468 lines
208 KiB
7468 lines
208 KiB
/****************************************************************************
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**
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** Implementation of the QTextEdit class
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**
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** Created : 990101
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the widgets module of the Qt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free Qt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** This file may be used under the terms of the Q Public License as
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** defined by Trolltech ASA and appearing in the file LICENSE.QPL
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** included in the packaging of this file. Licensees holding valid Qt
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** Commercial licenses may use this file in accordance with the Qt
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** Commercial License Agreement provided with the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#include "qtextedit.h"
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|
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#ifndef QT_NO_TEXTEDIT
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// Keep this position to avoid patch rejection
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#ifndef QT_NO_IM
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#include "qinputcontext.h"
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#endif
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#include "../kernel/qrichtext_p.h"
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|
#include "qpainter.h"
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|
#include "qpen.h"
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|
#include "qbrush.h"
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|
#include "qpixmap.h"
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|
#include "qfont.h"
|
|
#include "qcolor.h"
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|
#include "qstyle.h"
|
|
#include "qsize.h"
|
|
#include "qevent.h"
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|
#include "qtimer.h"
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|
#include "qapplication.h"
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|
#include "qlistbox.h"
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|
#include "qvbox.h"
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|
#include "qapplication.h"
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|
#include "qclipboard.h"
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|
#include "qcolordialog.h"
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|
#include "qfontdialog.h"
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#include "qstylesheet.h"
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#include "qdragobject.h"
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#include "qurl.h"
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|
#include "qcursor.h"
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#include "qregexp.h"
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#include "qpopupmenu.h"
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#include "qptrstack.h"
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#include "qmetaobject.h"
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#include "qtextbrowser.h"
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#include <private/qucom_p.h>
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#include "private/qsyntaxhighlighter_p.h"
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#include <qguardedptr.h>
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|
|
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#ifndef QT_NO_ACCEL
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#include <qkeysequence.h>
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#define ACCEL_KEY(k) "\t" + QString(QKeySequence( Qt::CTRL | Qt::Key_ ## k ))
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#else
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#define ACCEL_KEY(k) "\t" + QString("Ctrl+" #k)
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#endif
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|
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#ifdef QT_TEXTEDIT_OPTIMIZATION
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#define LOGOFFSET(i) d->logOffset + i
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#endif
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struct QUndoRedoInfoPrivate
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|
{
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QTextString text;
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};
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class QTextEditPrivate
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{
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public:
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QTextEditPrivate()
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:preeditStart(-1),preeditLength(-1),ensureCursorVisibleInShowEvent(FALSE),
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tabChangesFocus(FALSE),
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#ifndef QT_NO_CLIPBOARD
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clipboard_mode( QClipboard::Clipboard ),
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#endif
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#ifdef QT_TEXTEDIT_OPTIMIZATION
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od(0), optimMode(FALSE),
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maxLogLines(-1),
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logOffset(0),
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#endif
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autoFormatting( (uint)QTextEdit::AutoAll )
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{
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for ( int i=0; i<7; i++ )
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id[i] = 0;
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}
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int id[ 7 ];
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int preeditStart;
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int preeditLength;
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bool composeMode() const { return ( preeditLength > 0 ); }
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uint ensureCursorVisibleInShowEvent : 1;
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uint tabChangesFocus : 1;
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QString scrollToAnchor; // used to deferr scrollToAnchor() until the show event when we are resized
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QString pressedName;
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QString onName;
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#ifndef QT_NO_CLIPBOARD
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QClipboard::Mode clipboard_mode;
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#endif
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QTimer *trippleClickTimer;
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QPoint trippleClickPoint;
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#ifdef QT_TEXTEDIT_OPTIMIZATION
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QTextEditOptimPrivate * od;
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bool optimMode : 1;
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int maxLogLines;
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int logOffset;
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#endif
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uint autoFormatting;
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};
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#ifndef QT_NO_MIME
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class QRichTextDrag : public QTextDrag
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{
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public:
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QRichTextDrag( QWidget *dragSource = 0, const char *name = 0 );
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void setPlainText( const QString &txt ) { setText( txt ); }
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void setRichText( const QString &txt ) { richTxt = txt; }
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virtual QByteArray encodedData( const char *mime ) const;
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virtual const char* format( int i ) const;
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static bool decode( QMimeSource *e, QString &str, const QCString &mimetype,
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const QCString &subtype );
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static bool canDecode( QMimeSource* e );
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private:
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QString richTxt;
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};
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QRichTextDrag::QRichTextDrag( QWidget *dragSource, const char *name )
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: QTextDrag( dragSource, name )
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{
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}
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QByteArray QRichTextDrag::encodedData( const char *mime ) const
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{
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if ( qstrcmp( "application/x-qrichtext", mime ) == 0 ) {
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return richTxt.utf8(); // #### perhaps we should use USC2 instead?
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} else
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return QTextDrag::encodedData( mime );
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}
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bool QRichTextDrag::decode( QMimeSource *e, QString &str, const QCString &mimetype,
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const QCString &subtype )
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{
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if ( mimetype == "application/x-qrichtext" ) {
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// do richtext decode
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const char *mime;
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int i;
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for ( i = 0; ( mime = e->format( i ) ); ++i ) {
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if ( qstrcmp( "application/x-qrichtext", mime ) != 0 )
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continue;
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str = QString::fromUtf8( e->encodedData( mime ) );
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return TRUE;
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}
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return FALSE;
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}
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// do a regular text decode
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QCString subt = subtype;
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return QTextDrag::decode( e, str, subt );
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}
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bool QRichTextDrag::canDecode( QMimeSource* e )
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{
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if ( e->provides( "application/x-qrichtext" ) )
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return TRUE;
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return QTextDrag::canDecode( e );
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}
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const char* QRichTextDrag::format( int i ) const
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{
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if ( QTextDrag::format( i ) )
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return QTextDrag::format( i );
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if ( QTextDrag::format( i-1 ) )
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return "application/x-qrichtext";
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return 0;
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}
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#endif
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static bool block_set_alignment = FALSE;
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/*!
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\class QTextEdit qtextedit.h
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\brief The QTextEdit widget provides a powerful single-page rich text editor.
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\ingroup basic
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\ingroup text
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\mainclass
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\tableofcontents
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\section1 Introduction and Concepts
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QTextEdit is an advanced WYSIWYG viewer/editor supporting rich
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text formatting using HTML-style tags. It is optimized to handle
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large documents and to respond quickly to user input.
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QTextEdit has four modes of operation:
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\table
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\header \i Mode \i Command \i Notes
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\row \i Plain Text Editor \i setTextFormat(PlainText)
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\i Set text with setText(); text() returns plain text. Text
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attributes (e.g. colors) can be set, but plain text is always
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returned.
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\row \i Rich Text Editor \i setTextFormat(RichText)
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\i Set text with setText(); text() returns rich text. Rich
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text editing is fairly limited. You can't set margins or
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insert images for example (although you can read and
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correctly display files that have margins set and that
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include images). This mode is mostly useful for editing small
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amounts of rich text. <sup>1.</sup>
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\row \i Text Viewer \i setReadOnly(TRUE)
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\i Set text with setText() or append() (which has no undo
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history so is faster and uses less memory); text() returns
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plain or rich text depending on the textFormat(). This mode
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can correctly display a large subset of HTML tags.
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\row \i Log Viewer \i setTextFormat(LogText)
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\i Append text using append(). The widget is set to be read
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only and rich text support is disabled although a few HTML
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tags (for color, bold, italic and underline) may be used.
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(See \link #logtextmode LogText mode\endlink for details.)
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\endtable
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<sup>1.</sup><small>A more complete API that supports setting
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margins, images, etc., is planned for a later Qt release.</small>
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QTextEdit can be used as a syntax highlighting editor when used in
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conjunction with QSyntaxHighlighter.
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We recommend that you always call setTextFormat() to set the mode
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you want to use. If you use \c AutoText then setText() and
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append() will try to determine whether the text they are given is
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plain text or rich text. If you use \c RichText then setText() and
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append() will assume that the text they are given is rich text.
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insert() simply inserts the text it is given.
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QTextEdit works on paragraphs and characters. A paragraph is a
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formatted string which is word-wrapped to fit into the width of
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the widget. By default when reading plain text, one newline
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signify a paragraph. A document consists of zero or more
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paragraphs, indexed from 0. Characters are indexed on a
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per-paragraph basis, also indexed from 0. The words in the
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paragraph are aligned in accordance with the paragraph's
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alignment(). Paragraphs are separated by hard line breaks. Each
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character within a paragraph has its own attributes, for example,
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font and color.
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The text edit documentation uses the following concepts:
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\list
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\i \e{current format} --
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this is the format at the current cursor position, \e and it
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is the format of the selected text if any.
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\i \e{current paragraph} -- the paragraph which contains the
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cursor.
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\endlist
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QTextEdit can display images (using QMimeSourceFactory), lists and
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tables. If the text is too large to view within the text edit's
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viewport, scrollbars will appear. The text edit can load both
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plain text and HTML files (a subset of HTML 3.2 and 4). The
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rendering style and the set of valid tags are defined by a
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styleSheet(). Custom tags can be created and placed in a custom
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style sheet. Change the style sheet with \l{setStyleSheet()}; see
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QStyleSheet for details. The images identified by image tags are
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displayed if they can be interpreted using the text edit's
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\l{QMimeSourceFactory}; see setMimeSourceFactory().
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If you want a text browser with more navigation use QTextBrowser.
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If you just need to display a small piece of rich text use QLabel
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or QSimpleRichText.
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If you create a new QTextEdit, and want to allow the user to edit
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rich text, call setTextFormat(Qt::RichText) to ensure that the
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text is treated as rich text. (Rich text uses HTML tags to set
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text formatting attributes. See QStyleSheet for information on the
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HTML tags that are supported.). If you don't call setTextFormat()
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explicitly the text edit will guess from the text itself whether
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it is rich text or plain text. This means that if the text looks
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like HTML or XML it will probably be interpreted as rich text, so
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you should call setTextFormat(Qt::PlainText) to preserve such
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text.
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Note that we do not intend to add a full-featured web browser
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widget to Qt (because that would easily double Qt's size and only
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a few applications would benefit from it). The rich
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text support in Qt is designed to provide a fast, portable and
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efficient way to add reasonable online help facilities to
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applications, and to provide a basis for rich text editors.
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\section1 Using QTextEdit as a Display Widget
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QTextEdit can display a large HTML subset, including tables and
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images.
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The text is set or replaced using setText() which deletes any
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existing text and replaces it with the text passed in the
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setText() call. If you call setText() with legacy HTML (with
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setTextFormat(RichText) in force), and then call text(), the text
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that is returned may have different markup, but will render the
|
|
same. Text can be inserted with insert(), paste(), pasteSubType()
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and append(). Text that is appended does not go into the undo
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|
history; this makes append() faster and consumes less memory. Text
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|
can also be cut(). The entire text is deleted with clear() and the
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selected text is deleted with removeSelectedText(). Selected
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(marked) text can also be deleted with del() (which will delete
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the character to the right of the cursor if no text is selected).
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|
|
Loading and saving text is achieved using setText() and text(),
|
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for example:
|
|
\code
|
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QFile file( fileName ); // Read the text from a file
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if ( file.open( IO_ReadOnly ) ) {
|
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QTextStream stream( &file );
|
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textEdit->setText( stream.read() );
|
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}
|
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|
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QFile file( fileName ); // Write the text to a file
|
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if ( file.open( IO_WriteOnly ) ) {
|
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QTextStream stream( &file );
|
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stream << textEdit->text();
|
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textEdit->setModified( FALSE );
|
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}
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\endcode
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By default the text edit wraps words at whitespace to fit within
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the text edit widget. The setWordWrap() function is used to
|
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specify the kind of word wrap you want, or \c NoWrap if you don't
|
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want any wrapping. Call setWordWrap() to set a fixed pixel width
|
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\c FixedPixelWidth, or character column (e.g. 80 column) \c
|
|
FixedColumnWidth with the pixels or columns specified with
|
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setWrapColumnOrWidth(). If you use word wrap to the widget's width
|
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\c WidgetWidth, you can specify whether to break on whitespace or
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anywhere with setWrapPolicy().
|
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The background color is set differently than other widgets, using
|
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setPaper(). You specify a brush style which could be a plain color
|
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or a complex pixmap.
|
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Hypertext links are automatically underlined; this can be changed
|
|
with setLinkUnderline(). The tab stop width is set with
|
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setTabStopWidth().
|
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|
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The zoomIn() and zoomOut() functions can be used to resize the
|
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text by increasing (decreasing for zoomOut()) the point size used.
|
|
Images are not affected by the zoom functions.
|
|
|
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The lines() function returns the number of lines in the text and
|
|
paragraphs() returns the number of paragraphs. The number of lines
|
|
within a particular paragraph is returned by linesOfParagraph().
|
|
The length of the entire text in characters is returned by
|
|
length().
|
|
|
|
You can scroll to an anchor in the text, e.g.
|
|
\c{<a name="anchor">} with scrollToAnchor(). The find() function
|
|
can be used to find and select a given string within the text.
|
|
|
|
A read-only QTextEdit provides the same functionality as the
|
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(obsolete) QTextView. (QTextView is still supplied for
|
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compatibility with old code.)
|
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|
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\section2 Read-only key bindings
|
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|
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When QTextEdit is used read-only the key-bindings are limited to
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navigation, and text may only be selected with the mouse:
|
|
\table
|
|
\header \i Keypresses \i Action
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|
\row \i UpArrow \i Move one line up
|
|
\row \i DownArrow \i Move one line down
|
|
\row \i LeftArrow \i Move one character left
|
|
\row \i RightArrow \i Move one character right
|
|
\row \i PageUp \i Move one (viewport) page up
|
|
\row \i PageDown \i Move one (viewport) page down
|
|
\row \i Home \i Move to the beginning of the text
|
|
\row \i End \i Move to the end of the text
|
|
\row \i Shift+Wheel
|
|
\i Scroll the page horizontally (the Wheel is the mouse wheel)
|
|
\row \i Ctrl+Wheel \i Zoom the text
|
|
\endtable
|
|
|
|
The text edit may be able to provide some meta-information. For
|
|
example, the documentTitle() function will return the text from
|
|
within HTML \c{<title>} tags.
|
|
|
|
The text displayed in a text edit has a \e context. The context is
|
|
a path which the text edit's QMimeSourceFactory uses to resolve
|
|
the locations of files and images. It is passed to the
|
|
mimeSourceFactory() when quering data. (See QTextEdit() and
|
|
\l{context()}.)
|
|
|
|
\target logtextmode
|
|
\section2 Using QTextEdit in LogText Mode
|
|
|
|
Setting the text format to \c LogText puts the widget in a special
|
|
mode which is optimized for very large texts. Editing, word wrap,
|
|
and rich text support are disabled in this mode (the widget is
|
|
explicitly made read-only). This allows the text to be stored in a
|
|
different, more memory efficient manner. However, a certain degree
|
|
of text formatting is supported through the use of formatting tags.
|
|
A tag is delimited by \c < and \c {>}. The characters \c {<}, \c >
|
|
and \c & are escaped by using \c {<}, \c {>} and \c {&}.
|
|
A tag pair consists of a left and a right tag (or open/close tags).
|
|
Left-tags mark the starting point for formatting, while right-tags
|
|
mark the ending point. A right-tag always start with a \c / before
|
|
the tag keyword. For example \c <b> and \c </b> are a tag pair.
|
|
Tags can be nested, but they have to be closed in the same order as
|
|
they are opened. For example, \c <b><u></u></b> is valid, while \c
|
|
<b><u></b></u> will output an error message.
|
|
|
|
By using tags it is possible to change the color, bold, italic and
|
|
underline settings for a piece of text. A color can be specified
|
|
by using the HTML font tag \c {<font color=colorname>}. The color
|
|
name can be one of the color names from the X11 color database, or
|
|
a RGB hex value (e.g \c {#00ff00}). Example of valid color tags:
|
|
\c {<font color=red>}, \c {<font color="light blue">}, \c {<font
|
|
color="#223344">}. Bold, italic and underline settings can be
|
|
specified by the tags \c {<b>}, \c <i> and \c {<u>}. Note that a
|
|
tag does not necessarily have to be closed. A valid example:
|
|
\code
|
|
This is <font color=red>red</font> while <b>this</b> is <font color=blue>blue</font>.
|
|
<font color=green><font color=yellow>Yellow,</font> and <u>green</u>.
|
|
\endcode
|
|
|
|
Stylesheets can also be used in LogText mode. To create and use a
|
|
custom tag, you could do the following:
|
|
\code
|
|
QTextEdit * log = new QTextEdit( this );
|
|
log->setTextFormat( Qt::LogText );
|
|
QStyleSheetItem * item = new QStyleSheetItem( log->styleSheet(), "mytag" );
|
|
item->setColor( "red" );
|
|
item->setFontWeight( QFont::Bold );
|
|
item->setFontUnderline( TRUE );
|
|
log->append( "This is a <mytag>custom tag</mytag>!" );
|
|
\endcode
|
|
Note that only the color, bold, underline and italic attributes of
|
|
a QStyleSheetItem is used in LogText mode.
|
|
|
|
Note that you can use setMaxLogLines() to limit the number of
|
|
lines the widget can hold in LogText mode.
|
|
|
|
There are a few things that you need to be aware of when the
|
|
widget is in this mode:
|
|
\list
|
|
\i Functions that deal with rich text formatting and cursor
|
|
movement will not work or return anything valid.
|
|
\i Lines are equivalent to paragraphs.
|
|
\endlist
|
|
|
|
\section1 Using QTextEdit as an Editor
|
|
|
|
All the information about using QTextEdit as a display widget also
|
|
applies here.
|
|
|
|
The current format's attributes are set with setItalic(),
|
|
setBold(), setUnderline(), setFamily() (font family),
|
|
setPointSize(), setColor() and setCurrentFont(). The current
|
|
paragraph's alignment is set with setAlignment().
|
|
|
|
Use setSelection() to select text. The setSelectionAttributes()
|
|
function is used to indicate how selected text should be
|
|
displayed. Use hasSelectedText() to find out if any text is
|
|
selected. The currently selected text's position is available
|
|
using getSelection() and the selected text itself is returned by
|
|
selectedText(). The selection can be copied to the clipboard with
|
|
copy(), or cut to the clipboard with cut(). It can be deleted with
|
|
removeSelectedText(). The entire text can be selected (or
|
|
unselected) using selectAll(). QTextEdit supports multiple
|
|
selections. Most of the selection functions operate on the default
|
|
selection, selection 0. If the user presses a non-selecting key,
|
|
e.g. a cursor key without also holding down Shift, all selections
|
|
are cleared.
|
|
|
|
Set and get the position of the cursor with setCursorPosition()
|
|
and getCursorPosition() respectively. When the cursor is moved,
|
|
the signals currentFontChanged(), currentColorChanged() and
|
|
currentAlignmentChanged() are emitted to reflect the font, color
|
|
and alignment at the new cursor position.
|
|
|
|
If the text changes, the textChanged() signal is emitted, and if
|
|
the user inserts a new line by pressing Return or Enter,
|
|
returnPressed() is emitted. The isModified() function will return
|
|
TRUE if the text has been modified.
|
|
|
|
QTextEdit provides command-based undo and redo. To set the depth
|
|
of the command history use setUndoDepth() which defaults to 100
|
|
steps. To undo or redo the last operation call undo() or redo().
|
|
The signals undoAvailable() and redoAvailable() indicate whether
|
|
the undo and redo operations can be executed.
|
|
|
|
The indent() function is used to reindent a paragraph. It is
|
|
useful for code editors, for example in \link designer-manual.book
|
|
Qt Designer\endlink's code editor \e{Ctrl+I} invokes the indent()
|
|
function.
|
|
|
|
\section2 Editing key bindings
|
|
|
|
The list of key-bindings which are implemented for editing:
|
|
\table
|
|
\header \i Keypresses \i Action
|
|
\row \i Backspace \i Delete the character to the left of the cursor
|
|
\row \i Delete \i Delete the character to the right of the cursor
|
|
\row \i Ctrl+A \i Move the cursor to the beginning of the line
|
|
\row \i Ctrl+B \i Move the cursor one character left
|
|
\row \i Ctrl+C \i Copy the marked text to the clipboard (also
|
|
Ctrl+Insert under Windows)
|
|
\row \i Ctrl+D \i Delete the character to the right of the cursor
|
|
\row \i Ctrl+E \i Move the cursor to the end of the line
|
|
\row \i Ctrl+F \i Move the cursor one character right
|
|
\row \i Ctrl+H \i Delete the character to the left of the cursor
|
|
\row \i Ctrl+K \i Delete to end of line
|
|
\row \i Ctrl+N \i Move the cursor one line down
|
|
\row \i Ctrl+P \i Move the cursor one line up
|
|
\row \i Ctrl+V \i Paste the clipboard text into line edit
|
|
(also Shift+Insert under Windows)
|
|
\row \i Ctrl+X \i Cut the marked text, copy to clipboard
|
|
(also Shift+Delete under Windows)
|
|
\row \i Ctrl+Z \i Undo the last operation
|
|
\row \i Ctrl+Y \i Redo the last operation
|
|
\row \i LeftArrow \i Move the cursor one character left
|
|
\row \i Ctrl+LeftArrow \i Move the cursor one word left
|
|
\row \i RightArrow \i Move the cursor one character right
|
|
\row \i Ctrl+RightArrow \i Move the cursor one word right
|
|
\row \i UpArrow \i Move the cursor one line up
|
|
\row \i Ctrl+UpArrow \i Move the cursor one word up
|
|
\row \i DownArrow \i Move the cursor one line down
|
|
\row \i Ctrl+Down Arrow \i Move the cursor one word down
|
|
\row \i PageUp \i Move the cursor one page up
|
|
\row \i PageDown \i Move the cursor one page down
|
|
\row \i Home \i Move the cursor to the beginning of the line
|
|
\row \i Ctrl+Home \i Move the cursor to the beginning of the text
|
|
\row \i End \i Move the cursor to the end of the line
|
|
\row \i Ctrl+End \i Move the cursor to the end of the text
|
|
\row \i Shift+Wheel \i Scroll the page horizontally
|
|
(the Wheel is the mouse wheel)
|
|
\row \i Ctrl+Wheel \i Zoom the text
|
|
\endtable
|
|
|
|
To select (mark) text hold down the Shift key whilst pressing one
|
|
of the movement keystrokes, for example, \e{Shift+Right Arrow}
|
|
will select the character to the right, and \e{Shift+Ctrl+Right
|
|
Arrow} will select the word to the right, etc.
|
|
|
|
By default the text edit widget operates in insert mode so all
|
|
text that the user enters is inserted into the text edit and any
|
|
text to the right of the cursor is moved out of the way. The mode
|
|
can be changed to overwrite, where new text overwrites any text to
|
|
the right of the cursor, using setOverwriteMode().
|
|
*/
|
|
|
|
/*!
|
|
\enum QTextEdit::AutoFormatting
|
|
|
|
\value AutoNone Do not perform any automatic formatting
|
|
\value AutoBulletList Only automatically format bulletted lists
|
|
\value AutoAll Apply all available autoformatting
|
|
*/
|
|
|
|
|
|
/*!
|
|
\enum QTextEdit::KeyboardAction
|
|
|
|
This enum is used by doKeyboardAction() to specify which action
|
|
should be executed:
|
|
|
|
\value ActionBackspace Delete the character to the left of the
|
|
cursor.
|
|
|
|
\value ActionDelete Delete the character to the right of the
|
|
cursor.
|
|
|
|
\value ActionReturn Split the paragraph at the cursor position.
|
|
|
|
\value ActionKill If the cursor is not at the end of the
|
|
paragraph, delete the text from the cursor position until the end
|
|
of the paragraph. If the cursor is at the end of the paragraph,
|
|
delete the hard line break at the end of the paragraph: this will
|
|
cause this paragraph to be joined with the following paragraph.
|
|
|
|
\value ActionWordBackspace Delete the word to the left of the
|
|
cursor position.
|
|
|
|
\value ActionWordDelete Delete the word to the right of the
|
|
cursor position
|
|
|
|
*/
|
|
|
|
/*!
|
|
\enum QTextEdit::VerticalAlignment
|
|
|
|
This enum is used to set the vertical alignment of the text.
|
|
|
|
\value AlignNormal Normal alignment
|
|
\value AlignSuperScript Superscript
|
|
\value AlignSubScript Subscript
|
|
*/
|
|
|
|
/*!
|
|
\enum QTextEdit::TextInsertionFlags
|
|
|
|
\internal
|
|
|
|
\value RedoIndentation
|
|
\value CheckNewLines
|
|
\value RemoveSelected
|
|
*/
|
|
|
|
|
|
/*!
|
|
\fn void QTextEdit::copyAvailable(bool yes)
|
|
|
|
This signal is emitted when text is selected or de-selected in the
|
|
text edit.
|
|
|
|
When text is selected this signal will be emitted with \a yes set
|
|
to TRUE. If no text has been selected or if the selected text is
|
|
de-selected this signal is emitted with \a yes set to FALSE.
|
|
|
|
If \a yes is TRUE then copy() can be used to copy the selection to
|
|
the clipboard. If \a yes is FALSE then copy() does nothing.
|
|
|
|
\sa selectionChanged()
|
|
*/
|
|
|
|
|
|
/*!
|
|
\fn void QTextEdit::textChanged()
|
|
|
|
This signal is emitted whenever the text in the text edit changes.
|
|
|
|
\sa setText() append()
|
|
*/
|
|
|
|
/*!
|
|
\fn void QTextEdit::selectionChanged()
|
|
|
|
This signal is emitted whenever the selection changes.
|
|
|
|
\sa setSelection() copyAvailable()
|
|
*/
|
|
|
|
/*! \fn QTextDocument *QTextEdit::document() const
|
|
|
|
\internal
|
|
|
|
This function returns the QTextDocument which is used by the text
|
|
edit.
|
|
*/
|
|
|
|
/*! \fn void QTextEdit::setDocument( QTextDocument *doc )
|
|
|
|
\internal
|
|
|
|
This function sets the QTextDocument which should be used by the text
|
|
edit to \a doc. This can be used, for example, if you want to
|
|
display a document using multiple views. You would create a
|
|
QTextDocument and set it to the text edits which should display it.
|
|
You would need to connect to the textChanged() and
|
|
selectionChanged() signals of all the text edits and update them all
|
|
accordingly (preferably with a slight delay for efficiency reasons).
|
|
*/
|
|
|
|
/*!
|
|
\enum QTextEdit::CursorAction
|
|
|
|
This enum is used by moveCursor() to specify in which direction
|
|
the cursor should be moved:
|
|
|
|
\value MoveBackward Moves the cursor one character backward
|
|
|
|
\value MoveWordBackward Moves the cursor one word backward
|
|
|
|
\value MoveForward Moves the cursor one character forward
|
|
|
|
\value MoveWordForward Moves the cursor one word forward
|
|
|
|
\value MoveUp Moves the cursor up one line
|
|
|
|
\value MoveDown Moves the cursor down one line
|
|
|
|
\value MoveLineStart Moves the cursor to the beginning of the line
|
|
|
|
\value MoveLineEnd Moves the cursor to the end of the line
|
|
|
|
\value MoveHome Moves the cursor to the beginning of the document
|
|
|
|
\value MoveEnd Moves the cursor to the end of the document
|
|
|
|
\value MovePgUp Moves the cursor one viewport page up
|
|
|
|
\value MovePgDown Moves the cursor one viewport page down
|
|
*/
|
|
|
|
/*!
|
|
\enum Qt::AnchorAttribute
|
|
|
|
An anchor has one or more of the following attributes:
|
|
|
|
\value AnchorName the name attribute of the anchor. This attribute is
|
|
used when scrolling to an anchor in the document.
|
|
|
|
\value AnchorHref the href attribute of the anchor. This attribute is
|
|
used when a link is clicked to determine what content to load.
|
|
*/
|
|
|
|
/*!
|
|
\property QTextEdit::overwriteMode
|
|
\brief the text edit's overwrite mode
|
|
|
|
If FALSE (the default) characters entered by the user are inserted
|
|
with any characters to the right being moved out of the way. If
|
|
TRUE, the editor is in overwrite mode, i.e. characters entered by
|
|
the user overwrite any characters to the right of the cursor
|
|
position.
|
|
*/
|
|
|
|
/*!
|
|
\fn void QTextEdit::setCurrentFont( const QFont &f )
|
|
|
|
Sets the font of the current format to \a f.
|
|
|
|
If the widget is in \c LogText mode this function will do
|
|
nothing. Use setFont() instead.
|
|
|
|
\sa currentFont() setPointSize() setFamily()
|
|
*/
|
|
|
|
/*!
|
|
\property QTextEdit::undoDepth
|
|
\brief the depth of the undo history
|
|
|
|
The maximum number of steps in the undo/redo history. The default
|
|
is 100.
|
|
|
|
\sa undo() redo()
|
|
*/
|
|
|
|
/*!
|
|
\fn void QTextEdit::undoAvailable( bool yes )
|
|
|
|
This signal is emitted when the availability of undo changes. If
|
|
\a yes is TRUE, then undo() will work until undoAvailable( FALSE )
|
|
is next emitted.
|
|
|
|
\sa undo() undoDepth()
|
|
*/
|
|
|
|
/*!
|
|
\fn void QTextEdit::modificationChanged( bool m )
|
|
|
|
This signal is emitted when the modification status of the
|
|
document has changed. If \a m is TRUE, the document was modified,
|
|
otherwise the modification state has been reset to unmodified.
|
|
|
|
\sa modified
|
|
*/
|
|
|
|
/*!
|
|
\fn void QTextEdit::redoAvailable( bool yes )
|
|
|
|
This signal is emitted when the availability of redo changes. If
|
|
\a yes is TRUE, then redo() will work until redoAvailable( FALSE )
|
|
is next emitted.
|
|
|
|
\sa redo() undoDepth()
|
|
*/
|
|
|
|
/*!
|
|
\fn void QTextEdit::currentFontChanged( const QFont &f )
|
|
|
|
This signal is emitted if the font of the current format has
|
|
changed.
|
|
|
|
The new font is \a f.
|
|
|
|
\sa setCurrentFont()
|
|
*/
|
|
|
|
/*!
|
|
\fn void QTextEdit::currentColorChanged( const QColor &c )
|
|
|
|
This signal is emitted if the color of the current format has
|
|
changed.
|
|
|
|
The new color is \a c.
|
|
|
|
\sa setColor()
|
|
*/
|
|
|
|
/*!
|
|
\fn void QTextEdit::currentVerticalAlignmentChanged( VerticalAlignment a )
|
|
|
|
This signal is emitted if the vertical alignment of the current
|
|
format has changed.
|
|
|
|
The new vertical alignment is \a a.
|
|
|
|
\sa setVerticalAlignment()
|
|
*/
|
|
|
|
/*!
|
|
\fn void QTextEdit::currentAlignmentChanged( int a )
|
|
|
|
This signal is emitted if the alignment of the current paragraph
|
|
has changed.
|
|
|
|
The new alignment is \a a.
|
|
|
|
\sa setAlignment()
|
|
*/
|
|
|
|
/*!
|
|
\fn void QTextEdit::cursorPositionChanged( QTextCursor *c )
|
|
|
|
\internal
|
|
*/
|
|
|
|
/*!
|
|
\fn void QTextEdit::cursorPositionChanged( int para, int pos )
|
|
|
|
This signal is emitted if the position of the cursor has changed.
|
|
\a para contains the paragraph index and \a pos contains the
|
|
character position within the paragraph.
|
|
|
|
\sa setCursorPosition()
|
|
*/
|
|
|
|
/*!
|
|
\fn void QTextEdit::clicked( int para, int pos )
|
|
|
|
This signal is emitted when the mouse is clicked on the paragraph
|
|
\a para at character position \a pos.
|
|
|
|
\sa doubleClicked()
|
|
*/
|
|
|
|
/*! \fn void QTextEdit::doubleClicked( int para, int pos )
|
|
|
|
This signal is emitted when the mouse is double-clicked on the
|
|
paragraph \a para at character position \a pos.
|
|
|
|
\sa clicked()
|
|
*/
|
|
|
|
|
|
/*!
|
|
\fn void QTextEdit::returnPressed()
|
|
|
|
This signal is emitted if the user pressed the Return or the Enter
|
|
key.
|
|
*/
|
|
|
|
/*!
|
|
\fn QTextCursor *QTextEdit::textCursor() const
|
|
|
|
Returns the text edit's text cursor.
|
|
|
|
\warning QTextCursor is not in the public API, but in special
|
|
circumstances you might wish to use it.
|
|
*/
|
|
|
|
/*!
|
|
Constructs an empty QTextEdit called \a name, with parent \a
|
|
parent.
|
|
*/
|
|
|
|
QTextEdit::QTextEdit( QWidget *parent, const char *name )
|
|
: QScrollView( parent, name, WStaticContents | WNoAutoErase ),
|
|
doc( new QTextDocument( 0 ) ), undoRedoInfo( doc )
|
|
{
|
|
init();
|
|
}
|
|
|
|
/*!
|
|
Constructs a QTextEdit called \a name, with parent \a parent. The
|
|
text edit will display the text \a text using context \a context.
|
|
|
|
The \a context is a path which the text edit's QMimeSourceFactory
|
|
uses to resolve the locations of files and images. It is passed to
|
|
the mimeSourceFactory() when quering data.
|
|
|
|
For example if the text contains an image tag,
|
|
\c{<img src="image.png">}, and the context is "path/to/look/in", the
|
|
QMimeSourceFactory will try to load the image from
|
|
"path/to/look/in/image.png". If the tag was
|
|
\c{<img src="/image.png">}, the context will not be used (because
|
|
QMimeSourceFactory recognizes that we have used an absolute path)
|
|
and will try to load "/image.png". The context is applied in exactly
|
|
the same way to \e hrefs, for example,
|
|
\c{<a href="target.html">Target</a>}, would resolve to
|
|
"path/to/look/in/target.html".
|
|
*/
|
|
|
|
QTextEdit::QTextEdit( const QString& text, const QString& context,
|
|
QWidget *parent, const char *name)
|
|
: QScrollView( parent, name, WStaticContents | WNoAutoErase ),
|
|
doc( new QTextDocument( 0 ) ), undoRedoInfo( doc )
|
|
{
|
|
init();
|
|
setText( text, context );
|
|
}
|
|
|
|
/*!
|
|
\reimp
|
|
*/
|
|
|
|
QTextEdit::~QTextEdit()
|
|
{
|
|
delete undoRedoInfo.d;
|
|
undoRedoInfo.d = 0;
|
|
delete cursor;
|
|
delete doc;
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode )
|
|
delete d->od;
|
|
#endif
|
|
delete d;
|
|
}
|
|
|
|
void QTextEdit::init()
|
|
{
|
|
d = new QTextEditPrivate;
|
|
doc->formatCollection()->setPaintDevice( this );
|
|
undoEnabled = TRUE;
|
|
readonly = TRUE;
|
|
setReadOnly( FALSE );
|
|
setFrameStyle( LineEditPanel | Sunken );
|
|
connect( doc, SIGNAL( minimumWidthChanged(int) ),
|
|
this, SLOT( documentWidthChanged(int) ) );
|
|
|
|
mousePressed = FALSE;
|
|
inDoubleClick = FALSE;
|
|
modified = FALSE;
|
|
onLink = QString::null;
|
|
d->onName = QString::null;
|
|
overWrite = FALSE;
|
|
wrapMode = WidgetWidth;
|
|
wrapWidth = -1;
|
|
wPolicy = AtWhiteSpace;
|
|
inDnD = FALSE;
|
|
doc->setFormatter( new QTextFormatterBreakWords );
|
|
doc->formatCollection()->defaultFormat()->setFont( QScrollView::font() );
|
|
doc->formatCollection()->defaultFormat()->setColor( colorGroup().color( QColorGroup::Text ) );
|
|
currentFormat = doc->formatCollection()->defaultFormat();
|
|
currentAlignment = Qt::AlignAuto;
|
|
|
|
setBackgroundMode( PaletteBase );
|
|
viewport()->setBackgroundMode( PaletteBase );
|
|
viewport()->setAcceptDrops( TRUE );
|
|
resizeContents( 0, doc->lastParagraph() ?
|
|
( doc->lastParagraph()->paragId() + 1 ) * doc->formatCollection()->defaultFormat()->height() : 0 );
|
|
|
|
setKeyCompression( TRUE );
|
|
viewport()->setMouseTracking( TRUE );
|
|
#ifndef QT_NO_CURSOR
|
|
viewport()->setCursor( isReadOnly() ? arrowCursor : ibeamCursor );
|
|
#endif
|
|
cursor = new QTextCursor( doc );
|
|
|
|
formatTimer = new QTimer( this );
|
|
connect( formatTimer, SIGNAL( timeout() ),
|
|
this, SLOT( formatMore() ) );
|
|
lastFormatted = doc->firstParagraph();
|
|
|
|
scrollTimer = new QTimer( this );
|
|
connect( scrollTimer, SIGNAL( timeout() ),
|
|
this, SLOT( autoScrollTimerDone() ) );
|
|
|
|
interval = 0;
|
|
changeIntervalTimer = new QTimer( this );
|
|
connect( changeIntervalTimer, SIGNAL( timeout() ),
|
|
this, SLOT( doChangeInterval() ) );
|
|
|
|
cursorVisible = TRUE;
|
|
blinkTimer = new QTimer( this );
|
|
connect( blinkTimer, SIGNAL( timeout() ),
|
|
this, SLOT( blinkCursor() ) );
|
|
|
|
#ifndef QT_NO_DRAGANDDROP
|
|
dragStartTimer = new QTimer( this );
|
|
connect( dragStartTimer, SIGNAL( timeout() ),
|
|
this, SLOT( startDrag() ) );
|
|
#endif
|
|
|
|
d->trippleClickTimer = new QTimer( this );
|
|
|
|
formatMore();
|
|
|
|
blinkCursorVisible = FALSE;
|
|
|
|
viewport()->setFocusProxy( this );
|
|
viewport()->setFocusPolicy( WheelFocus );
|
|
setInputMethodEnabled( TRUE );
|
|
viewport()->installEventFilter( this );
|
|
connect( this, SIGNAL(horizontalSliderReleased()), this, SLOT(sliderReleased()) );
|
|
connect( this, SIGNAL(verticalSliderReleased()), this, SLOT(sliderReleased()) );
|
|
installEventFilter( this );
|
|
}
|
|
|
|
void QTextEdit::paintDocument( bool drawAll, QPainter *p, int cx, int cy, int cw, int ch )
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
Q_ASSERT( !d->optimMode );
|
|
if ( d->optimMode )
|
|
return;
|
|
#endif
|
|
|
|
bool drawCur = hasFocus() || viewport()->hasFocus();
|
|
if (( hasSelectedText() && !style().styleHint( QStyle::SH_BlinkCursorWhenTextSelected ) ) ||
|
|
isReadOnly() || !cursorVisible || doc->hasSelection( QTextDocument::IMSelectionText ))
|
|
drawCur = FALSE;
|
|
QColorGroup g = colorGroup();
|
|
const QColorGroup::ColorRole backRole = QPalette::backgroundRoleFromMode(backgroundMode());
|
|
if ( doc->paper() )
|
|
g.setBrush( backRole, *doc->paper() );
|
|
|
|
if ( contentsY() < doc->y() ) {
|
|
p->fillRect( contentsX(), contentsY(), visibleWidth(), doc->y(),
|
|
g.brush( backRole ) );
|
|
}
|
|
if ( drawAll && doc->width() - contentsX() < cx + cw ) {
|
|
p->fillRect( doc->width() - contentsX(), cy, cx + cw - doc->width() + contentsX(), ch,
|
|
g.brush( backRole ) );
|
|
}
|
|
|
|
p->setBrushOrigin( -contentsX(), -contentsY() );
|
|
|
|
lastFormatted = doc->draw( p, cx, cy, cw, ch, g, !drawAll, drawCur, cursor );
|
|
|
|
if ( lastFormatted == doc->lastParagraph() )
|
|
resizeContents( contentsWidth(), doc->height() );
|
|
|
|
if ( contentsHeight() < visibleHeight() && ( !doc->lastParagraph() || doc->lastParagraph()->isValid() ) && drawAll )
|
|
p->fillRect( 0, contentsHeight(), visibleWidth(),
|
|
visibleHeight() - contentsHeight(), g.brush( backRole ) );
|
|
}
|
|
|
|
/*!
|
|
\reimp
|
|
*/
|
|
|
|
void QTextEdit::drawContents( QPainter *p, int cx, int cy, int cw, int ch )
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode ) {
|
|
optimDrawContents( p, cx, cy, cw, ch );
|
|
return;
|
|
}
|
|
#endif
|
|
paintDocument( TRUE, p, cx, cy, cw, ch );
|
|
int v;
|
|
p->setPen( foregroundColor() );
|
|
if ( document()->isPageBreakEnabled() && ( v = document()->flow()->pageSize() ) > 0 ) {
|
|
int l = int(cy / v) * v;
|
|
while ( l < cy + ch ) {
|
|
p->drawLine( cx, l, cx + cw - 1, l );
|
|
l += v;
|
|
}
|
|
}
|
|
|
|
// This invocation is required to follow dragging of active window
|
|
// by the showed candidate window.
|
|
updateMicroFocusHint();
|
|
}
|
|
|
|
/*!
|
|
\reimp
|
|
*/
|
|
|
|
void QTextEdit::drawContents( QPainter *p )
|
|
{
|
|
if ( horizontalScrollBar()->isVisible() &&
|
|
verticalScrollBar()->isVisible() ) {
|
|
const QRect verticalRect = verticalScrollBar()->geometry();
|
|
const QRect horizontalRect = horizontalScrollBar()->geometry();
|
|
|
|
QRect cornerRect;
|
|
cornerRect.setTop( verticalRect.bottom() );
|
|
cornerRect.setBottom( horizontalRect.bottom() );
|
|
cornerRect.setLeft( verticalRect.left() );
|
|
cornerRect.setRight( verticalRect.right() );
|
|
|
|
p->fillRect( cornerRect, colorGroup().background() );
|
|
}
|
|
}
|
|
|
|
/*!
|
|
\reimp
|
|
*/
|
|
|
|
bool QTextEdit::event( QEvent *e )
|
|
{
|
|
if ( e->type() == QEvent::AccelOverride && !isReadOnly() ) {
|
|
QKeyEvent* ke = (QKeyEvent*) e;
|
|
switch(ke->state()) {
|
|
case NoButton:
|
|
case Keypad:
|
|
case ShiftButton:
|
|
if ( ke->key() < Key_Escape ) {
|
|
ke->accept();
|
|
} else {
|
|
switch ( ke->key() ) {
|
|
case Key_Return:
|
|
case Key_Enter:
|
|
case Key_Delete:
|
|
case Key_Home:
|
|
case Key_End:
|
|
case Key_Backspace:
|
|
case Key_Left:
|
|
case Key_Right:
|
|
ke->accept();
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case ControlButton:
|
|
case ControlButton|ShiftButton:
|
|
case ControlButton|Keypad:
|
|
case ControlButton|ShiftButton|Keypad:
|
|
switch ( ke->key() ) {
|
|
case Key_Tab:
|
|
case Key_Backtab:
|
|
ke->ignore();
|
|
break;
|
|
// Those are too frequently used for application functionality
|
|
/* case Key_A:
|
|
case Key_B:
|
|
case Key_D:
|
|
case Key_E:
|
|
case Key_F:
|
|
case Key_H:
|
|
case Key_I:
|
|
case Key_K:
|
|
case Key_N:
|
|
case Key_P:
|
|
case Key_T:
|
|
*/
|
|
case Key_C:
|
|
case Key_V:
|
|
case Key_X:
|
|
case Key_Y:
|
|
case Key_Z:
|
|
case Key_Left:
|
|
case Key_Right:
|
|
case Key_Up:
|
|
case Key_Down:
|
|
case Key_Home:
|
|
case Key_End:
|
|
#if defined (Q_WS_WIN)
|
|
case Key_Insert:
|
|
case Key_Delete:
|
|
#endif
|
|
ke->accept();
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
switch ( ke->key() ) {
|
|
#if defined (Q_WS_WIN)
|
|
case Key_Insert:
|
|
ke->accept();
|
|
#endif
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ( e->type() == QEvent::Show ) {
|
|
if (
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
!d->optimMode &&
|
|
#endif
|
|
d->ensureCursorVisibleInShowEvent ) {
|
|
ensureCursorVisible();
|
|
d->ensureCursorVisibleInShowEvent = FALSE;
|
|
}
|
|
if ( !d->scrollToAnchor.isEmpty() ) {
|
|
scrollToAnchor( d->scrollToAnchor );
|
|
d->scrollToAnchor = QString::null;
|
|
}
|
|
}
|
|
return QWidget::event( e );
|
|
}
|
|
|
|
/*!
|
|
Processes the key event, \a e. By default key events are used to
|
|
provide keyboard navigation and text editing.
|
|
*/
|
|
|
|
void QTextEdit::keyPressEvent( QKeyEvent *e )
|
|
{
|
|
changeIntervalTimer->stop();
|
|
interval = 10;
|
|
bool unknownKey = FALSE;
|
|
if ( isReadOnly() ) {
|
|
if ( !handleReadOnlyKeyEvent( e ) )
|
|
QScrollView::keyPressEvent( e );
|
|
changeIntervalTimer->start( 100, TRUE );
|
|
return;
|
|
}
|
|
|
|
|
|
bool selChanged = FALSE;
|
|
for ( int i = 1; i < doc->numSelections(); ++i ) // start with 1 as we don't want to remove the Standard-Selection
|
|
selChanged = doc->removeSelection( i ) || selChanged;
|
|
|
|
if ( selChanged ) {
|
|
cursor->paragraph()->document()->nextDoubleBuffered = TRUE;
|
|
repaintChanged();
|
|
}
|
|
|
|
bool clearUndoRedoInfo = TRUE;
|
|
|
|
|
|
switch ( e->key() ) {
|
|
case Key_Left:
|
|
case Key_Right: {
|
|
// a bit hacky, but can't change this without introducing new enum values for move and keeping the
|
|
// correct semantics and movement for BiDi and non BiDi text.
|
|
CursorAction a;
|
|
if ( cursor->paragraph()->string()->isRightToLeft() == (e->key() == Key_Right) )
|
|
a = e->state() & ControlButton ? MoveWordBackward : MoveBackward;
|
|
else
|
|
a = e->state() & ControlButton ? MoveWordForward : MoveForward;
|
|
moveCursor( a, e->state() & ShiftButton );
|
|
break;
|
|
}
|
|
case Key_Up:
|
|
moveCursor( e->state() & ControlButton ? MovePgUp : MoveUp, e->state() & ShiftButton );
|
|
break;
|
|
case Key_Down:
|
|
moveCursor( e->state() & ControlButton ? MovePgDown : MoveDown, e->state() & ShiftButton );
|
|
break;
|
|
case Key_Home:
|
|
moveCursor( e->state() & ControlButton ? MoveHome : MoveLineStart, e->state() & ShiftButton );
|
|
break;
|
|
case Key_End:
|
|
moveCursor( e->state() & ControlButton ? MoveEnd : MoveLineEnd, e->state() & ShiftButton );
|
|
break;
|
|
case Key_Prior:
|
|
moveCursor( MovePgUp, e->state() & ShiftButton );
|
|
break;
|
|
case Key_Next:
|
|
moveCursor( MovePgDown, e->state() & ShiftButton );
|
|
break;
|
|
case Key_Return: case Key_Enter:
|
|
if ( doc->hasSelection( QTextDocument::Standard, FALSE ) )
|
|
removeSelectedText();
|
|
if ( textFormat() == Qt::RichText && ( e->state() & ControlButton ) ) {
|
|
// Ctrl-Enter inserts a line break in rich text mode
|
|
insert( QString( QChar( 0x2028) ), TRUE, FALSE );
|
|
} else {
|
|
#ifndef QT_NO_CURSOR
|
|
viewport()->setCursor( isReadOnly() ? arrowCursor : ibeamCursor );
|
|
#endif
|
|
clearUndoRedoInfo = FALSE;
|
|
doKeyboardAction( ActionReturn );
|
|
emit returnPressed();
|
|
}
|
|
break;
|
|
case Key_Delete:
|
|
#if defined (Q_WS_WIN)
|
|
if ( e->state() & ShiftButton ) {
|
|
cut();
|
|
break;
|
|
} else
|
|
#endif
|
|
if ( doc->hasSelection( QTextDocument::Standard, TRUE ) ) {
|
|
removeSelectedText();
|
|
break;
|
|
}
|
|
doKeyboardAction( e->state() & ControlButton ? ActionWordDelete
|
|
: ActionDelete );
|
|
clearUndoRedoInfo = FALSE;
|
|
|
|
break;
|
|
case Key_Insert:
|
|
if ( e->state() & ShiftButton )
|
|
paste();
|
|
#if defined (Q_WS_WIN)
|
|
else if ( e->state() & ControlButton )
|
|
copy();
|
|
#endif
|
|
else
|
|
setOverwriteMode( !isOverwriteMode() );
|
|
break;
|
|
case Key_Backspace:
|
|
#if defined (Q_WS_WIN)
|
|
if ( e->state() & AltButton ) {
|
|
if (e->state() & ControlButton ) {
|
|
break;
|
|
} else if ( e->state() & ShiftButton ) {
|
|
redo();
|
|
break;
|
|
} else {
|
|
undo();
|
|
break;
|
|
}
|
|
} else
|
|
#endif
|
|
if ( doc->hasSelection( QTextDocument::Standard, TRUE ) ) {
|
|
removeSelectedText();
|
|
break;
|
|
}
|
|
|
|
doKeyboardAction( e->state() & ControlButton ? ActionWordBackspace
|
|
: ActionBackspace );
|
|
clearUndoRedoInfo = FALSE;
|
|
break;
|
|
case Key_F16: // Copy key on Sun keyboards
|
|
copy();
|
|
break;
|
|
case Key_F18: // Paste key on Sun keyboards
|
|
paste();
|
|
break;
|
|
case Key_F20: // Cut key on Sun keyboards
|
|
cut();
|
|
break;
|
|
case Key_Direction_L:
|
|
if ( doc->textFormat() == Qt::PlainText ) {
|
|
// change the whole doc
|
|
QTextParagraph *p = doc->firstParagraph();
|
|
while ( p ) {
|
|
p->setDirection( QChar::DirL );
|
|
p->setAlignment( Qt::AlignLeft );
|
|
p->invalidate( 0 );
|
|
p = p->next();
|
|
}
|
|
} else {
|
|
if ( !cursor->paragraph() || cursor->paragraph()->direction() == QChar::DirL )
|
|
return;
|
|
cursor->paragraph()->setDirection( QChar::DirL );
|
|
if ( cursor->paragraph()->length() <= 1&&
|
|
( (cursor->paragraph()->alignment() & (Qt::AlignLeft | Qt::AlignRight) ) != 0 ) )
|
|
setAlignment( Qt::AlignLeft );
|
|
}
|
|
repaintChanged();
|
|
break;
|
|
case Key_Direction_R:
|
|
if ( doc->textFormat() == Qt::PlainText ) {
|
|
// change the whole doc
|
|
QTextParagraph *p = doc->firstParagraph();
|
|
while ( p ) {
|
|
p->setDirection( QChar::DirR );
|
|
p->setAlignment( Qt::AlignRight );
|
|
p->invalidate( 0 );
|
|
p = p->next();
|
|
}
|
|
} else {
|
|
if ( !cursor->paragraph() || cursor->paragraph()->direction() == QChar::DirR )
|
|
return;
|
|
cursor->paragraph()->setDirection( QChar::DirR );
|
|
if ( cursor->paragraph()->length() <= 1&&
|
|
( (cursor->paragraph()->alignment() & (Qt::AlignLeft | Qt::AlignRight) ) != 0 ) )
|
|
setAlignment( Qt::AlignRight );
|
|
}
|
|
repaintChanged();
|
|
break;
|
|
default: {
|
|
if ( e->text().length() &&
|
|
( ( !( e->state() & ControlButton ) &&
|
|
#ifndef Q_OS_MACX
|
|
!( e->state() & AltButton ) &&
|
|
#endif
|
|
!( e->state() & MetaButton ) ) ||
|
|
( ( (e->state()&ControlButton) | AltButton ) == (ControlButton|AltButton) ) ) &&
|
|
( !e->ascii() || e->ascii() >= 32 || e->text() == "\t" ) ) {
|
|
clearUndoRedoInfo = FALSE;
|
|
if ( e->key() == Key_Tab ) {
|
|
if ( d->tabChangesFocus ) {
|
|
e->ignore();
|
|
break;
|
|
}
|
|
if ( textFormat() == Qt::RichText && cursor->index() == 0
|
|
&& ( cursor->paragraph()->isListItem() || cursor->paragraph()->listDepth() ) ) {
|
|
clearUndoRedo();
|
|
undoRedoInfo.type = UndoRedoInfo::Style;
|
|
undoRedoInfo.id = cursor->paragraph()->paragId();
|
|
undoRedoInfo.eid = undoRedoInfo.id;
|
|
undoRedoInfo.styleInformation = QTextStyleCommand::readStyleInformation( doc, undoRedoInfo.id, undoRedoInfo.eid );
|
|
cursor->paragraph()->setListDepth( cursor->paragraph()->listDepth() +1 );
|
|
clearUndoRedo();
|
|
drawCursor( FALSE );
|
|
repaintChanged();
|
|
drawCursor( TRUE );
|
|
break;
|
|
}
|
|
} else if ( e->key() == Key_BackTab ) {
|
|
if ( d->tabChangesFocus ) {
|
|
e->ignore();
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ( ( autoFormatting() & AutoBulletList ) &&
|
|
textFormat() == Qt::RichText && cursor->index() == 0
|
|
&& !cursor->paragraph()->isListItem()
|
|
&& ( e->text()[0] == '-' || e->text()[0] == '*' ) ) {
|
|
clearUndoRedo();
|
|
undoRedoInfo.type = UndoRedoInfo::Style;
|
|
undoRedoInfo.id = cursor->paragraph()->paragId();
|
|
undoRedoInfo.eid = undoRedoInfo.id;
|
|
undoRedoInfo.styleInformation = QTextStyleCommand::readStyleInformation( doc, undoRedoInfo.id, undoRedoInfo.eid );
|
|
setParagType( QStyleSheetItem::DisplayListItem, QStyleSheetItem::ListDisc );
|
|
clearUndoRedo();
|
|
drawCursor( FALSE );
|
|
repaintChanged();
|
|
drawCursor( TRUE );
|
|
break;
|
|
}
|
|
if (overWrite && !cursor->atParagEnd() && !doc->hasSelection(QTextDocument::Standard)) {
|
|
doKeyboardAction(ActionDelete);
|
|
clearUndoRedoInfo = FALSE;
|
|
}
|
|
QString t = e->text();
|
|
#ifdef Q_WS_X11
|
|
extern bool qt_hebrew_keyboard_hack;
|
|
if ( qt_hebrew_keyboard_hack ) {
|
|
// the X11 keyboard layout is broken and does not reverse
|
|
// braces correctly. This is a hack to get halfway correct
|
|
// behaviour
|
|
QTextParagraph *p = cursor->paragraph();
|
|
if ( p && p->string() && p->string()->isRightToLeft() ) {
|
|
QChar *c = (QChar *)t.unicode();
|
|
int l = t.length();
|
|
while( l-- ) {
|
|
if ( c->mirrored() )
|
|
*c = c->mirroredChar();
|
|
c++;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
insert( t, TRUE, FALSE );
|
|
break;
|
|
} else if ( e->state() & ControlButton ) {
|
|
switch ( e->key() ) {
|
|
case Key_C: case Key_F16: // Copy key on Sun keyboards
|
|
copy();
|
|
break;
|
|
case Key_V:
|
|
paste();
|
|
break;
|
|
case Key_X:
|
|
cut();
|
|
break;
|
|
case Key_I: case Key_T: case Key_Tab:
|
|
if ( !d->tabChangesFocus )
|
|
indent();
|
|
break;
|
|
case Key_A:
|
|
#if defined(Q_WS_X11)
|
|
moveCursor( MoveLineStart, e->state() & ShiftButton );
|
|
#else
|
|
selectAll( TRUE );
|
|
#endif
|
|
break;
|
|
case Key_B:
|
|
moveCursor( MoveBackward, e->state() & ShiftButton );
|
|
break;
|
|
case Key_F:
|
|
moveCursor( MoveForward, e->state() & ShiftButton );
|
|
break;
|
|
case Key_D:
|
|
if ( doc->hasSelection( QTextDocument::Standard ) ) {
|
|
removeSelectedText();
|
|
break;
|
|
}
|
|
doKeyboardAction( ActionDelete );
|
|
clearUndoRedoInfo = FALSE;
|
|
break;
|
|
case Key_H:
|
|
if ( doc->hasSelection( QTextDocument::Standard ) ) {
|
|
removeSelectedText();
|
|
break;
|
|
}
|
|
if ( !cursor->paragraph()->prev() &&
|
|
cursor->atParagStart() )
|
|
break;
|
|
|
|
doKeyboardAction( ActionBackspace );
|
|
clearUndoRedoInfo = FALSE;
|
|
break;
|
|
case Key_E:
|
|
moveCursor( MoveLineEnd, e->state() & ShiftButton );
|
|
break;
|
|
case Key_N:
|
|
moveCursor( MoveDown, e->state() & ShiftButton );
|
|
break;
|
|
case Key_P:
|
|
moveCursor( MoveUp, e->state() & ShiftButton );
|
|
break;
|
|
case Key_Z:
|
|
if(e->state() & ShiftButton)
|
|
redo();
|
|
else
|
|
undo();
|
|
break;
|
|
case Key_Y:
|
|
redo();
|
|
break;
|
|
case Key_K:
|
|
doKeyboardAction( ActionKill );
|
|
break;
|
|
#if defined(Q_WS_WIN)
|
|
case Key_Insert:
|
|
copy();
|
|
break;
|
|
case Key_Delete:
|
|
del();
|
|
break;
|
|
#endif
|
|
default:
|
|
unknownKey = FALSE;
|
|
break;
|
|
}
|
|
} else {
|
|
unknownKey = TRUE;
|
|
}
|
|
}
|
|
}
|
|
|
|
emit cursorPositionChanged( cursor );
|
|
emit cursorPositionChanged( cursor->paragraph()->paragId(), cursor->index() );
|
|
if ( clearUndoRedoInfo )
|
|
clearUndoRedo();
|
|
changeIntervalTimer->start( 100, TRUE );
|
|
if ( unknownKey )
|
|
e->ignore();
|
|
}
|
|
|
|
/*!
|
|
This function is not intended as polymorphic usage. Just a shared code
|
|
fragment that calls QWidget::sendMouseEventToInputContext() easily for this
|
|
class.
|
|
*/
|
|
bool QTextEdit::sendMouseEventToInputContext( QMouseEvent *e )
|
|
{
|
|
#ifndef QT_NO_IM
|
|
if ( d->composeMode() ) {
|
|
QTextCursor c( doc );
|
|
if ( c.place( e->pos(), doc->firstParagraph(), FALSE, FALSE, FALSE ) ) {
|
|
int mousePos = c.index() - d->preeditStart;
|
|
if ( cursor->globalY() == c.globalY() &&
|
|
mousePos >= 0 && mousePos < d->preeditLength ) {
|
|
QWidget::sendMouseEventToInputContext( mousePos, e->type(),
|
|
e->button(), e->state() );
|
|
}
|
|
} else if ( e->type() != QEvent::MouseMove ) {
|
|
// send button events on out of preedit
|
|
QWidget::sendMouseEventToInputContext( -1, e->type(),
|
|
e->button(), e->state() );
|
|
}
|
|
return TRUE;
|
|
}
|
|
#endif
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
/*!
|
|
\reimp
|
|
*/
|
|
void QTextEdit::imStartEvent( QIMEvent *e )
|
|
{
|
|
if ( isReadOnly() ) {
|
|
e->ignore();
|
|
return;
|
|
}
|
|
|
|
if ( hasSelectedText() )
|
|
removeSelectedText();
|
|
d->preeditStart = cursor->index();
|
|
clearUndoRedo();
|
|
undoRedoInfo.type = UndoRedoInfo::IME;
|
|
}
|
|
|
|
/*!
|
|
\reimp
|
|
*/
|
|
void QTextEdit::imComposeEvent( QIMEvent *e )
|
|
{
|
|
if ( isReadOnly() ) {
|
|
e->ignore();
|
|
return;
|
|
}
|
|
|
|
doc->removeSelection( QTextDocument::IMCompositionText );
|
|
doc->removeSelection( QTextDocument::IMSelectionText );
|
|
|
|
if ( d->composeMode() && cursor->paragraph() )
|
|
cursor->paragraph()->remove( d->preeditStart, d->preeditLength );
|
|
cursor->setIndex( d->preeditStart );
|
|
d->preeditLength = e->text().length();
|
|
|
|
int sellen = e->selectionLength();
|
|
uint insertionFlags = CheckNewLines | RemoveSelected | AsIMCompositionText;
|
|
if ( sellen > 0 ) {
|
|
insertionFlags |= WithIMSelection;
|
|
}
|
|
insert( e->text(), insertionFlags );
|
|
// insert can trigger an imEnd event as it emits a textChanged signal, so better
|
|
// be careful
|
|
if(d->preeditStart != -1) {
|
|
cursor->setIndex( d->preeditStart + d->preeditLength );
|
|
QTextCursor c = *cursor;
|
|
cursor->setIndex( d->preeditStart );
|
|
doc->setSelectionStart( QTextDocument::IMCompositionText, *cursor );
|
|
doc->setSelectionEnd( QTextDocument::IMCompositionText, c );
|
|
|
|
cursor->setIndex( d->preeditStart + e->cursorPos() );
|
|
|
|
if ( sellen > 0 ) {
|
|
cursor->setIndex( d->preeditStart + e->cursorPos() + sellen );
|
|
c = *cursor;
|
|
cursor->setIndex( d->preeditStart + e->cursorPos() );
|
|
doc->setSelectionStart( QTextDocument::IMSelectionText, *cursor );
|
|
doc->setSelectionEnd( QTextDocument::IMSelectionText, c );
|
|
#if 0
|
|
// Disabled for Asian input method that shows candidate
|
|
// window. This behavior is same as Qt/E 2.3.7 which supports
|
|
// Asian input methods. Asian input methods need start point
|
|
// of IM selection text to place candidate window as adjacent
|
|
// to the selection text.
|
|
cursor->setIndex( d->preeditStart + d->preeditLength );
|
|
#endif
|
|
}
|
|
}
|
|
|
|
updateMicroFocusHint();
|
|
repaintChanged();
|
|
}
|
|
|
|
/*!
|
|
\reimp
|
|
*/
|
|
void QTextEdit::imEndEvent( QIMEvent *e )
|
|
{
|
|
if ( isReadOnly() ) {
|
|
e->ignore();
|
|
return;
|
|
}
|
|
|
|
doc->removeSelection( QTextDocument::IMCompositionText );
|
|
doc->removeSelection( QTextDocument::IMSelectionText );
|
|
|
|
if (undoRedoInfo.type == UndoRedoInfo::IME)
|
|
undoRedoInfo.type = UndoRedoInfo::Invalid;
|
|
|
|
if ( d->composeMode() && cursor->paragraph() )
|
|
cursor->paragraph()->remove( d->preeditStart, d->preeditLength );
|
|
if ( d->preeditStart >= 0 ) {
|
|
cursor->setIndex( d->preeditStart );
|
|
//TODO: Qt 4 we should use the new virtual insert function
|
|
insert( e->text(), FALSE );
|
|
}
|
|
d->preeditStart = d->preeditLength = -1;
|
|
|
|
repaintChanged();
|
|
}
|
|
|
|
|
|
static bool qtextedit_ignore_readonly = FALSE;
|
|
|
|
/*!
|
|
Executes keyboard action \a action. This is normally called by a
|
|
key event handler.
|
|
*/
|
|
|
|
void QTextEdit::doKeyboardAction( KeyboardAction action )
|
|
{
|
|
if ( isReadOnly() && !qtextedit_ignore_readonly )
|
|
return;
|
|
|
|
if ( cursor->nestedDepth() != 0 ) // #### for 3.0, disable editing of tables as this is not advanced enough
|
|
return;
|
|
|
|
lastFormatted = cursor->paragraph();
|
|
drawCursor( FALSE );
|
|
bool doUpdateCurrentFormat = TRUE;
|
|
|
|
switch ( action ) {
|
|
case ActionWordDelete:
|
|
case ActionDelete:
|
|
if ( action == ActionDelete && !cursor->atParagEnd() ) {
|
|
if ( undoEnabled ) {
|
|
checkUndoRedoInfo( UndoRedoInfo::Delete );
|
|
if ( !undoRedoInfo.valid() ) {
|
|
undoRedoInfo.id = cursor->paragraph()->paragId();
|
|
undoRedoInfo.index = cursor->index();
|
|
undoRedoInfo.d->text = QString::null;
|
|
}
|
|
int idx = cursor->index();
|
|
do {
|
|
undoRedoInfo.d->text.insert( undoRedoInfo.d->text.length(), cursor->paragraph()->at( idx++ ), TRUE );
|
|
} while ( !cursor->paragraph()->string()->validCursorPosition( idx ) );
|
|
}
|
|
cursor->remove();
|
|
} else {
|
|
clearUndoRedo();
|
|
doc->setSelectionStart( QTextDocument::Temp, *cursor );
|
|
if ( action == ActionWordDelete && !cursor->atParagEnd() ) {
|
|
cursor->gotoNextWord();
|
|
} else {
|
|
cursor->gotoNextLetter();
|
|
}
|
|
doc->setSelectionEnd( QTextDocument::Temp, *cursor );
|
|
removeSelectedText( QTextDocument::Temp );
|
|
}
|
|
break;
|
|
case ActionWordBackspace:
|
|
case ActionBackspace:
|
|
if ( textFormat() == Qt::RichText
|
|
&& (cursor->paragraph()->isListItem()
|
|
|| cursor->paragraph()->listDepth() )
|
|
&& cursor->index() == 0 ) {
|
|
if ( undoEnabled ) {
|
|
clearUndoRedo();
|
|
undoRedoInfo.type = UndoRedoInfo::Style;
|
|
undoRedoInfo.id = cursor->paragraph()->paragId();
|
|
undoRedoInfo.eid = undoRedoInfo.id;
|
|
undoRedoInfo.styleInformation = QTextStyleCommand::readStyleInformation( doc, undoRedoInfo.id, undoRedoInfo.eid );
|
|
}
|
|
int ldepth = cursor->paragraph()->listDepth();
|
|
if ( cursor->paragraph()->isListItem() && ldepth == 1 ) {
|
|
cursor->paragraph()->setListItem( FALSE );
|
|
} else if ( QMAX( ldepth, 1 ) == 1 ) {
|
|
cursor->paragraph()->setListItem( FALSE );
|
|
cursor->paragraph()->setListDepth( 0 );
|
|
} else {
|
|
cursor->paragraph()->setListDepth( ldepth - 1 );
|
|
}
|
|
clearUndoRedo();
|
|
lastFormatted = cursor->paragraph();
|
|
repaintChanged();
|
|
drawCursor( TRUE );
|
|
return;
|
|
}
|
|
|
|
if ( action == ActionBackspace && !cursor->atParagStart() ) {
|
|
if ( undoEnabled ) {
|
|
checkUndoRedoInfo( UndoRedoInfo::Delete );
|
|
if ( !undoRedoInfo.valid() ) {
|
|
undoRedoInfo.id = cursor->paragraph()->paragId();
|
|
undoRedoInfo.index = cursor->index();
|
|
undoRedoInfo.d->text = QString::null;
|
|
}
|
|
undoRedoInfo.d->text.insert( 0, cursor->paragraph()->at( cursor->index()-1 ), TRUE );
|
|
undoRedoInfo.index = cursor->index()-1;
|
|
}
|
|
cursor->removePreviousChar();
|
|
lastFormatted = cursor->paragraph();
|
|
} else if ( cursor->paragraph()->prev()
|
|
|| (action == ActionWordBackspace
|
|
&& !cursor->atParagStart()) ) {
|
|
clearUndoRedo();
|
|
doc->setSelectionStart( QTextDocument::Temp, *cursor );
|
|
if ( action == ActionWordBackspace && !cursor->atParagStart() ) {
|
|
cursor->gotoPreviousWord();
|
|
} else {
|
|
cursor->gotoPreviousLetter();
|
|
}
|
|
doc->setSelectionEnd( QTextDocument::Temp, *cursor );
|
|
removeSelectedText( QTextDocument::Temp );
|
|
}
|
|
break;
|
|
case ActionReturn:
|
|
if ( undoEnabled ) {
|
|
checkUndoRedoInfo( UndoRedoInfo::Return );
|
|
if ( !undoRedoInfo.valid() ) {
|
|
undoRedoInfo.id = cursor->paragraph()->paragId();
|
|
undoRedoInfo.index = cursor->index();
|
|
undoRedoInfo.d->text = QString::null;
|
|
}
|
|
undoRedoInfo.d->text += "\n";
|
|
}
|
|
cursor->splitAndInsertEmptyParagraph();
|
|
if ( cursor->paragraph()->prev() ) {
|
|
lastFormatted = cursor->paragraph()->prev();
|
|
lastFormatted->invalidate( 0 );
|
|
}
|
|
doUpdateCurrentFormat = FALSE;
|
|
break;
|
|
case ActionKill:
|
|
clearUndoRedo();
|
|
doc->setSelectionStart( QTextDocument::Temp, *cursor );
|
|
if ( cursor->atParagEnd() )
|
|
cursor->gotoNextLetter();
|
|
else
|
|
cursor->setIndex( cursor->paragraph()->length() - 1 );
|
|
doc->setSelectionEnd( QTextDocument::Temp, *cursor );
|
|
removeSelectedText( QTextDocument::Temp );
|
|
break;
|
|
}
|
|
|
|
formatMore();
|
|
repaintChanged();
|
|
ensureCursorVisible();
|
|
drawCursor( TRUE );
|
|
updateMicroFocusHint();
|
|
if ( doUpdateCurrentFormat )
|
|
updateCurrentFormat();
|
|
setModified();
|
|
emit textChanged();
|
|
}
|
|
|
|
void QTextEdit::readFormats( QTextCursor &c1, QTextCursor &c2, QTextString &text, bool fillStyles )
|
|
{
|
|
#ifndef QT_NO_DATASTREAM
|
|
QDataStream styleStream( undoRedoInfo.styleInformation, IO_WriteOnly );
|
|
#endif
|
|
c2.restoreState();
|
|
c1.restoreState();
|
|
int lastIndex = text.length();
|
|
if ( c1.paragraph() == c2.paragraph() ) {
|
|
for ( int i = c1.index(); i < c2.index(); ++i )
|
|
text.insert( lastIndex + i - c1.index(), c1.paragraph()->at( i ), TRUE );
|
|
#ifndef QT_NO_DATASTREAM
|
|
if ( fillStyles ) {
|
|
styleStream << (int) 1;
|
|
c1.paragraph()->writeStyleInformation( styleStream );
|
|
}
|
|
#endif
|
|
} else {
|
|
int i;
|
|
for ( i = c1.index(); i < c1.paragraph()->length()-1; ++i )
|
|
text.insert( lastIndex++, c1.paragraph()->at( i ), TRUE );
|
|
int num = 2; // start and end, being different
|
|
text += "\n"; lastIndex++;
|
|
|
|
if (c1.paragraph()->next() != c2.paragraph()) {
|
|
num += text.appendParagraphs(c1.paragraph()->next(), c2.paragraph());
|
|
lastIndex = text.length();
|
|
}
|
|
|
|
for ( i = 0; i < c2.index(); ++i )
|
|
text.insert( i + lastIndex, c2.paragraph()->at( i ), TRUE );
|
|
#ifndef QT_NO_DATASTREAM
|
|
if ( fillStyles ) {
|
|
styleStream << num;
|
|
for ( QTextParagraph *p = c1.paragraph(); --num >= 0; p = p->next() )
|
|
p->writeStyleInformation( styleStream );
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
/*!
|
|
Removes the selection \a selNum (by default 0). This does not
|
|
remove the selected text.
|
|
|
|
\sa removeSelectedText()
|
|
*/
|
|
|
|
void QTextEdit::removeSelection( int selNum )
|
|
{
|
|
doc->removeSelection( selNum );
|
|
repaintChanged();
|
|
}
|
|
|
|
/*!
|
|
Deletes the text of selection \a selNum (by default, the default
|
|
selection, 0). If there is no selected text nothing happens.
|
|
|
|
\sa selectedText removeSelection()
|
|
*/
|
|
|
|
void QTextEdit::removeSelectedText( int selNum )
|
|
{
|
|
if(selNum != 0)
|
|
resetInputContext();
|
|
|
|
QTextCursor c1 = doc->selectionStartCursor( selNum );
|
|
c1.restoreState();
|
|
QTextCursor c2 = doc->selectionEndCursor( selNum );
|
|
c2.restoreState();
|
|
|
|
// ### no support for editing tables yet, plus security for broken selections
|
|
if ( c1.nestedDepth() || c2.nestedDepth() )
|
|
return;
|
|
|
|
for ( int i = 0; i < (int)doc->numSelections(); ++i ) {
|
|
if ( i == selNum )
|
|
continue;
|
|
doc->removeSelection( i );
|
|
}
|
|
|
|
drawCursor( FALSE );
|
|
if ( undoEnabled ) {
|
|
checkUndoRedoInfo( UndoRedoInfo::RemoveSelected );
|
|
if ( !undoRedoInfo.valid() ) {
|
|
doc->selectionStart( selNum, undoRedoInfo.id, undoRedoInfo.index );
|
|
undoRedoInfo.d->text = QString::null;
|
|
}
|
|
readFormats( c1, c2, undoRedoInfo.d->text, TRUE );
|
|
}
|
|
|
|
doc->removeSelectedText( selNum, cursor );
|
|
if ( cursor->isValid() ) {
|
|
lastFormatted = 0; // make sync a noop
|
|
ensureCursorVisible();
|
|
lastFormatted = cursor->paragraph();
|
|
formatMore();
|
|
repaintContents( FALSE );
|
|
ensureCursorVisible();
|
|
drawCursor( TRUE );
|
|
clearUndoRedo();
|
|
#if defined(Q_WS_WIN)
|
|
// there seems to be a problem with repainting or erasing the area
|
|
// of the scrollview which is not the contents on windows
|
|
if ( contentsHeight() < visibleHeight() )
|
|
viewport()->repaint( 0, contentsHeight(), visibleWidth(), visibleHeight() - contentsHeight(), TRUE );
|
|
#endif
|
|
#ifndef QT_NO_CURSOR
|
|
viewport()->setCursor( isReadOnly() ? arrowCursor : ibeamCursor );
|
|
#endif
|
|
updateMicroFocusHint();
|
|
} else {
|
|
delete cursor;
|
|
cursor = new QTextCursor( doc );
|
|
drawCursor( TRUE );
|
|
repaintContents( TRUE );
|
|
}
|
|
setModified();
|
|
emit textChanged();
|
|
emit selectionChanged();
|
|
emit copyAvailable( doc->hasSelection( QTextDocument::Standard ) );
|
|
}
|
|
|
|
/*!
|
|
Moves the text cursor according to \a action. This is normally
|
|
used by some key event handler. \a select specifies whether the
|
|
text between the current cursor position and the new position
|
|
should be selected.
|
|
*/
|
|
|
|
void QTextEdit::moveCursor( CursorAction action, bool select )
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode )
|
|
return;
|
|
#endif
|
|
#ifdef Q_WS_MACX
|
|
QTextCursor c1 = *cursor;
|
|
QTextCursor c2;
|
|
#endif
|
|
drawCursor( FALSE );
|
|
if ( select ) {
|
|
if ( !doc->hasSelection( QTextDocument::Standard ) )
|
|
doc->setSelectionStart( QTextDocument::Standard, *cursor );
|
|
moveCursor( action );
|
|
#ifdef Q_WS_MACX
|
|
c2 = *cursor;
|
|
if (c1 == c2)
|
|
if (action == MoveDown || action == MovePgDown)
|
|
moveCursor( MoveEnd );
|
|
else if (action == MoveUp || action == MovePgUp)
|
|
moveCursor( MoveHome );
|
|
#endif
|
|
if ( doc->setSelectionEnd( QTextDocument::Standard, *cursor ) ) {
|
|
cursor->paragraph()->document()->nextDoubleBuffered = TRUE;
|
|
repaintChanged();
|
|
} else {
|
|
drawCursor( TRUE );
|
|
}
|
|
ensureCursorVisible();
|
|
emit selectionChanged();
|
|
emit copyAvailable( doc->hasSelection( QTextDocument::Standard ) );
|
|
} else {
|
|
#ifdef Q_WS_MACX
|
|
QTextCursor cStart = doc->selectionStartCursor( QTextDocument::Standard );
|
|
QTextCursor cEnd = doc->selectionEndCursor( QTextDocument::Standard );
|
|
bool redraw = doc->removeSelection( QTextDocument::Standard );
|
|
if (redraw && action == MoveDown)
|
|
*cursor = cEnd;
|
|
else if (redraw && action == MoveUp)
|
|
*cursor = cStart;
|
|
if (redraw && action == MoveForward)
|
|
*cursor = cEnd;
|
|
else if (redraw && action == MoveBackward)
|
|
*cursor = cStart;
|
|
else
|
|
moveCursor( action );
|
|
c2 = *cursor;
|
|
if (c1 == c2)
|
|
if (action == MoveDown)
|
|
moveCursor( MoveEnd );
|
|
else if (action == MoveUp)
|
|
moveCursor( MoveHome );
|
|
#else
|
|
bool redraw = doc->removeSelection( QTextDocument::Standard );
|
|
moveCursor( action );
|
|
#endif
|
|
if ( !redraw ) {
|
|
ensureCursorVisible();
|
|
drawCursor( TRUE );
|
|
} else {
|
|
cursor->paragraph()->document()->nextDoubleBuffered = TRUE;
|
|
repaintChanged();
|
|
ensureCursorVisible();
|
|
drawCursor( TRUE );
|
|
#ifndef QT_NO_CURSOR
|
|
viewport()->setCursor( isReadOnly() ? arrowCursor : ibeamCursor );
|
|
#endif
|
|
}
|
|
if ( redraw ) {
|
|
emit copyAvailable( doc->hasSelection( QTextDocument::Standard ) );
|
|
emit selectionChanged();
|
|
}
|
|
}
|
|
|
|
drawCursor( TRUE );
|
|
updateCurrentFormat();
|
|
updateMicroFocusHint();
|
|
}
|
|
|
|
/*!
|
|
\overload
|
|
*/
|
|
|
|
void QTextEdit::moveCursor( CursorAction action )
|
|
{
|
|
resetInputContext();
|
|
switch ( action ) {
|
|
case MoveBackward:
|
|
cursor->gotoPreviousLetter();
|
|
break;
|
|
case MoveWordBackward:
|
|
cursor->gotoPreviousWord();
|
|
break;
|
|
case MoveForward:
|
|
cursor->gotoNextLetter();
|
|
break;
|
|
case MoveWordForward:
|
|
cursor->gotoNextWord();
|
|
break;
|
|
case MoveUp:
|
|
cursor->gotoUp();
|
|
break;
|
|
case MovePgUp:
|
|
cursor->gotoPageUp( visibleHeight() );
|
|
break;
|
|
case MoveDown:
|
|
cursor->gotoDown();
|
|
break;
|
|
case MovePgDown:
|
|
cursor->gotoPageDown( visibleHeight() );
|
|
break;
|
|
case MoveLineStart:
|
|
cursor->gotoLineStart();
|
|
break;
|
|
case MoveHome:
|
|
cursor->gotoHome();
|
|
break;
|
|
case MoveLineEnd:
|
|
cursor->gotoLineEnd();
|
|
break;
|
|
case MoveEnd:
|
|
ensureFormatted( doc->lastParagraph() );
|
|
cursor->gotoEnd();
|
|
break;
|
|
}
|
|
updateMicroFocusHint();
|
|
updateCurrentFormat();
|
|
}
|
|
|
|
/*!
|
|
\reimp
|
|
*/
|
|
|
|
void QTextEdit::resizeEvent( QResizeEvent *e )
|
|
{
|
|
QScrollView::resizeEvent( e );
|
|
if ( doc->visibleWidth() == 0 )
|
|
doResize();
|
|
}
|
|
|
|
/*!
|
|
\reimp
|
|
*/
|
|
|
|
void QTextEdit::viewportResizeEvent( QResizeEvent *e )
|
|
{
|
|
QScrollView::viewportResizeEvent( e );
|
|
if ( e->oldSize().width() != e->size().width() ) {
|
|
bool stayAtBottom = e->oldSize().height() != e->size().height() &&
|
|
contentsY() > 0 && contentsY() >= doc->height() - e->oldSize().height();
|
|
doResize();
|
|
if ( stayAtBottom )
|
|
scrollToBottom();
|
|
}
|
|
}
|
|
|
|
/*!
|
|
Ensures that the cursor is visible by scrolling the text edit if
|
|
necessary.
|
|
|
|
\sa setCursorPosition()
|
|
*/
|
|
|
|
void QTextEdit::ensureCursorVisible()
|
|
{
|
|
// Not visible or the user is draging the window, so don't position to caret yet
|
|
if ( !isUpdatesEnabled() || !isVisible() || isHorizontalSliderPressed() || isVerticalSliderPressed() ) {
|
|
d->ensureCursorVisibleInShowEvent = TRUE;
|
|
return;
|
|
}
|
|
sync();
|
|
QTextStringChar *chr = cursor->paragraph()->at( cursor->index() );
|
|
int h = cursor->paragraph()->lineHeightOfChar( cursor->index() );
|
|
int x = cursor->paragraph()->rect().x() + chr->x + cursor->offsetX();
|
|
int y = 0; int dummy;
|
|
cursor->paragraph()->lineHeightOfChar( cursor->index(), &dummy, &y );
|
|
y += cursor->paragraph()->rect().y() + cursor->offsetY();
|
|
int w = 1;
|
|
ensureVisible( x, y + h / 2, w, h / 2 + 2 );
|
|
}
|
|
|
|
/*!
|
|
\internal
|
|
*/
|
|
void QTextEdit::sliderReleased()
|
|
{
|
|
if ( d->ensureCursorVisibleInShowEvent && isVisible() ) {
|
|
d->ensureCursorVisibleInShowEvent = FALSE;
|
|
ensureCursorVisible();
|
|
}
|
|
}
|
|
|
|
/*!
|
|
\internal
|
|
*/
|
|
void QTextEdit::drawCursor( bool visible )
|
|
{
|
|
if ( !isUpdatesEnabled() ||
|
|
!viewport()->isUpdatesEnabled() ||
|
|
!cursor->paragraph() ||
|
|
!cursor->paragraph()->isValid() ||
|
|
( !style().styleHint( QStyle::SH_BlinkCursorWhenTextSelected ) &&
|
|
( d->optimMode ? optimHasSelection() : doc->hasSelection( QTextDocument::Standard, TRUE ))) ||
|
|
( visible && !hasFocus() && !viewport()->hasFocus() && !inDnD ) ||
|
|
doc->hasSelection( QTextDocument::IMSelectionText ) ||
|
|
isReadOnly() )
|
|
return;
|
|
|
|
// Asian users regard selection text as cursor on candidate
|
|
// selection phase of input method, so ordinary cursor should be
|
|
// invisible if IM selection text exists.
|
|
if ( doc->hasSelection( QTextDocument::IMSelectionText ) ) {
|
|
visible = FALSE;
|
|
}
|
|
|
|
QPainter p( viewport() );
|
|
QRect r( cursor->topParagraph()->rect() );
|
|
cursor->paragraph()->setChanged( TRUE );
|
|
p.translate( -contentsX() + cursor->totalOffsetX(), -contentsY() + cursor->totalOffsetY() );
|
|
QPixmap *pix = 0;
|
|
QColorGroup cg( colorGroup() );
|
|
const QColorGroup::ColorRole backRole = QPalette::backgroundRoleFromMode(backgroundMode());
|
|
if ( cursor->paragraph()->background() )
|
|
cg.setBrush( backRole, *cursor->paragraph()->background() );
|
|
else if ( doc->paper() )
|
|
cg.setBrush( backRole, *doc->paper() );
|
|
p.setBrushOrigin( -contentsX(), -contentsY() );
|
|
cursor->paragraph()->document()->nextDoubleBuffered = TRUE;
|
|
if ( !cursor->nestedDepth() ) {
|
|
int h = cursor->paragraph()->lineHeightOfChar( cursor->index() );
|
|
int dist = 5;
|
|
if ( ( cursor->paragraph()->alignment() & Qt::AlignJustify ) == Qt::AlignJustify )
|
|
dist = 50;
|
|
int x = r.x() - cursor->totalOffsetX() + cursor->x() - dist;
|
|
x = QMAX( x, 0 );
|
|
p.setClipRect( QRect( x - contentsX(),
|
|
r.y() - cursor->totalOffsetY() + cursor->y() - contentsY(), 2 * dist, h ) );
|
|
doc->drawParagraph( &p, cursor->paragraph(), x,
|
|
r.y() - cursor->totalOffsetY() + cursor->y(), 2 * dist, h, pix, cg, visible, cursor );
|
|
} else {
|
|
doc->drawParagraph( &p, cursor->paragraph(), r.x() - cursor->totalOffsetX(),
|
|
r.y() - cursor->totalOffsetY(), r.width(), r.height(),
|
|
pix, cg, visible, cursor );
|
|
}
|
|
cursorVisible = visible;
|
|
}
|
|
|
|
enum {
|
|
IdUndo = 0,
|
|
IdRedo = 1,
|
|
IdCut = 2,
|
|
IdCopy = 3,
|
|
IdPaste = 4,
|
|
IdClear = 5,
|
|
IdSelectAll = 6
|
|
};
|
|
|
|
/*!
|
|
\reimp
|
|
*/
|
|
#ifndef QT_NO_WHEELEVENT
|
|
void QTextEdit::contentsWheelEvent( QWheelEvent *e )
|
|
{
|
|
if ( isReadOnly() ) {
|
|
if ( e->state() & ControlButton ) {
|
|
if ( e->delta() > 0 )
|
|
zoomOut();
|
|
else if ( e->delta() < 0 )
|
|
zoomIn();
|
|
return;
|
|
}
|
|
}
|
|
QScrollView::contentsWheelEvent( e );
|
|
}
|
|
#endif
|
|
|
|
/*!
|
|
\reimp
|
|
*/
|
|
|
|
void QTextEdit::contentsMousePressEvent( QMouseEvent *e )
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode ) {
|
|
optimMousePressEvent( e );
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
if ( sendMouseEventToInputContext( e ) )
|
|
return;
|
|
|
|
if ( d->trippleClickTimer->isActive() &&
|
|
( e->globalPos() - d->trippleClickPoint ).manhattanLength() <
|
|
QApplication::startDragDistance() ) {
|
|
QTextCursor c1 = *cursor;
|
|
QTextCursor c2 = *cursor;
|
|
c1.gotoLineStart();
|
|
c2.gotoLineEnd();
|
|
doc->setSelectionStart( QTextDocument::Standard, c1 );
|
|
doc->setSelectionEnd( QTextDocument::Standard, c2 );
|
|
*cursor = c2;
|
|
repaintChanged();
|
|
mousePressed = TRUE;
|
|
return;
|
|
}
|
|
|
|
clearUndoRedo();
|
|
QTextCursor oldCursor = *cursor;
|
|
QTextCursor c = *cursor;
|
|
mousePos = e->pos();
|
|
mightStartDrag = FALSE;
|
|
pressedLink = QString::null;
|
|
d->pressedName = QString::null;
|
|
|
|
if ( e->button() == LeftButton ) {
|
|
mousePressed = TRUE;
|
|
drawCursor( FALSE );
|
|
placeCursor( e->pos() );
|
|
ensureCursorVisible();
|
|
|
|
if ( isReadOnly() && linksEnabled() ) {
|
|
QTextCursor c = *cursor;
|
|
placeCursor( e->pos(), &c, TRUE );
|
|
if ( c.paragraph() && c.paragraph()->at( c.index() ) &&
|
|
c.paragraph()->at( c.index() )->isAnchor() ) {
|
|
pressedLink = c.paragraph()->at( c.index() )->anchorHref();
|
|
d->pressedName = c.paragraph()->at( c.index() )->anchorName();
|
|
}
|
|
}
|
|
|
|
#ifndef QT_NO_DRAGANDDROP
|
|
if ( doc->inSelection( QTextDocument::Standard, e->pos() ) ) {
|
|
mightStartDrag = TRUE;
|
|
drawCursor( TRUE );
|
|
dragStartTimer->start( QApplication::startDragTime(), TRUE );
|
|
dragStartPos = e->pos();
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
bool redraw = FALSE;
|
|
if ( doc->hasSelection( QTextDocument::Standard ) ) {
|
|
if ( !( e->state() & ShiftButton ) ) {
|
|
redraw = doc->removeSelection( QTextDocument::Standard );
|
|
doc->setSelectionStart( QTextDocument::Standard, *cursor );
|
|
} else {
|
|
redraw = doc->setSelectionEnd( QTextDocument::Standard, *cursor ) || redraw;
|
|
}
|
|
} else {
|
|
if ( isReadOnly() || !( e->state() & ShiftButton ) ) {
|
|
doc->setSelectionStart( QTextDocument::Standard, *cursor );
|
|
} else {
|
|
doc->setSelectionStart( QTextDocument::Standard, c );
|
|
redraw = doc->setSelectionEnd( QTextDocument::Standard, *cursor ) || redraw;
|
|
}
|
|
}
|
|
|
|
for ( int i = 1; i < doc->numSelections(); ++i ) // start with 1 as we don't want to remove the Standard-Selection
|
|
redraw = doc->removeSelection( i ) || redraw;
|
|
|
|
if ( !redraw ) {
|
|
drawCursor( TRUE );
|
|
} else {
|
|
repaintChanged();
|
|
#ifndef QT_NO_CURSOR
|
|
viewport()->setCursor( isReadOnly() ? arrowCursor : ibeamCursor );
|
|
#endif
|
|
}
|
|
} else if ( e->button() == MidButton ) {
|
|
bool redraw = doc->removeSelection( QTextDocument::Standard );
|
|
if ( !redraw ) {
|
|
drawCursor( TRUE );
|
|
} else {
|
|
repaintChanged();
|
|
#ifndef QT_NO_CURSOR
|
|
viewport()->setCursor( isReadOnly() ? arrowCursor : ibeamCursor );
|
|
#endif
|
|
}
|
|
}
|
|
|
|
if ( *cursor != oldCursor )
|
|
updateCurrentFormat();
|
|
}
|
|
|
|
/*!
|
|
\reimp
|
|
*/
|
|
|
|
void QTextEdit::contentsMouseMoveEvent( QMouseEvent *e )
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode ) {
|
|
optimMouseMoveEvent( e );
|
|
return;
|
|
}
|
|
#endif
|
|
if ( sendMouseEventToInputContext( e ) ) {
|
|
// don't return from here to avoid cursor vanishing
|
|
} else if ( mousePressed ) {
|
|
#ifndef QT_NO_DRAGANDDROP
|
|
if ( mightStartDrag ) {
|
|
dragStartTimer->stop();
|
|
if ( ( e->pos() - dragStartPos ).manhattanLength() > QApplication::startDragDistance() ) {
|
|
QGuardedPtr<QTextEdit> guard( this );
|
|
startDrag();
|
|
if (guard.isNull()) // we got deleted during the dnd
|
|
return;
|
|
}
|
|
#ifndef QT_NO_CURSOR
|
|
if ( !isReadOnly() )
|
|
viewport()->setCursor( ibeamCursor );
|
|
#endif
|
|
return;
|
|
}
|
|
#endif
|
|
mousePos = e->pos();
|
|
handleMouseMove( mousePos );
|
|
oldMousePos = mousePos;
|
|
}
|
|
|
|
#ifndef QT_NO_CURSOR
|
|
if ( !isReadOnly() && !mousePressed ) {
|
|
if ( doc->hasSelection( QTextDocument::Standard ) && doc->inSelection( QTextDocument::Standard, e->pos() ) )
|
|
viewport()->setCursor( arrowCursor );
|
|
else
|
|
viewport()->setCursor( ibeamCursor );
|
|
}
|
|
#endif
|
|
updateCursor( e->pos() );
|
|
}
|
|
|
|
void QTextEdit::copyToClipboard()
|
|
{
|
|
#ifndef QT_NO_CLIPBOARD
|
|
if (QApplication::clipboard()->supportsSelection()) {
|
|
d->clipboard_mode = QClipboard::Selection;
|
|
|
|
// don't listen to selection changes
|
|
disconnect( QApplication::clipboard(), SIGNAL(selectionChanged()), this, 0);
|
|
copy();
|
|
// listen to selection changes
|
|
connect( QApplication::clipboard(), SIGNAL(selectionChanged()),
|
|
this, SLOT(clipboardChanged()) );
|
|
|
|
d->clipboard_mode = QClipboard::Clipboard;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/*!
|
|
\reimp
|
|
*/
|
|
|
|
void QTextEdit::contentsMouseReleaseEvent( QMouseEvent * e )
|
|
{
|
|
if ( !inDoubleClick && !d->composeMode() ) { // could be the release of a dblclick
|
|
int para = 0;
|
|
int index = charAt( e->pos(), ¶ );
|
|
emit clicked( para, index );
|
|
}
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode ) {
|
|
optimMouseReleaseEvent( e );
|
|
return;
|
|
}
|
|
#endif
|
|
if ( sendMouseEventToInputContext( e ) )
|
|
return;
|
|
QTextCursor oldCursor = *cursor;
|
|
if ( scrollTimer->isActive() )
|
|
scrollTimer->stop();
|
|
#ifndef QT_NO_DRAGANDDROP
|
|
if ( dragStartTimer->isActive() )
|
|
dragStartTimer->stop();
|
|
if ( mightStartDrag ) {
|
|
selectAll( FALSE );
|
|
mousePressed = FALSE;
|
|
}
|
|
#endif
|
|
bool mouseWasPressed = mousePressed;
|
|
if ( mousePressed ) {
|
|
mousePressed = FALSE;
|
|
copyToClipboard();
|
|
}
|
|
#ifndef QT_NO_CLIPBOARD
|
|
else if ( e->button() == MidButton && !isReadOnly() ) {
|
|
// only do middle-click pasting on systems that have selections (ie. X11)
|
|
if (QApplication::clipboard()->supportsSelection()) {
|
|
drawCursor( FALSE );
|
|
placeCursor( e->pos() );
|
|
ensureCursorVisible();
|
|
doc->setSelectionStart( QTextDocument::Standard, oldCursor );
|
|
bool redraw = FALSE;
|
|
if ( doc->hasSelection( QTextDocument::Standard ) ) {
|
|
redraw = doc->removeSelection( QTextDocument::Standard );
|
|
doc->setSelectionStart( QTextDocument::Standard, *cursor );
|
|
} else {
|
|
doc->setSelectionStart( QTextDocument::Standard, *cursor );
|
|
}
|
|
// start with 1 as we don't want to remove the Standard-Selection
|
|
for ( int i = 1; i < doc->numSelections(); ++i )
|
|
redraw = doc->removeSelection( i ) || redraw;
|
|
if ( !redraw ) {
|
|
drawCursor( TRUE );
|
|
} else {
|
|
repaintChanged();
|
|
#ifndef QT_NO_CURSOR
|
|
viewport()->setCursor( ibeamCursor );
|
|
#endif
|
|
}
|
|
d->clipboard_mode = QClipboard::Selection;
|
|
paste();
|
|
d->clipboard_mode = QClipboard::Clipboard;
|
|
}
|
|
}
|
|
#endif
|
|
emit cursorPositionChanged( cursor );
|
|
emit cursorPositionChanged( cursor->paragraph()->paragId(), cursor->index() );
|
|
if ( oldCursor != *cursor )
|
|
updateCurrentFormat();
|
|
inDoubleClick = FALSE;
|
|
|
|
#ifndef QT_NO_NETWORKPROTOCOL
|
|
if ( ( (!onLink.isEmpty() && onLink == pressedLink)
|
|
|| (!d->onName.isEmpty() && d->onName == d->pressedName))
|
|
&& linksEnabled() && mouseWasPressed ) {
|
|
if (!onLink.isEmpty()) {
|
|
QUrl u( doc->context(), onLink, TRUE );
|
|
emitLinkClicked( u.toString( FALSE, FALSE ) );
|
|
}
|
|
if (::qt_cast<QTextBrowser*>(this)) { // change for 4.0
|
|
QConnectionList *clist = receivers(
|
|
"anchorClicked(const QString&,const QString&)");
|
|
if (!signalsBlocked() && clist) {
|
|
QUObject o[3];
|
|
static_QUType_QString.set(o+1, d->onName);
|
|
static_QUType_QString.set(o+2, onLink);
|
|
activate_signal( clist, o);
|
|
}
|
|
}
|
|
|
|
// emitting linkClicked() may result in that the cursor winds
|
|
// up hovering over a different valid link - check this and
|
|
// set the appropriate cursor shape
|
|
updateCursor( e->pos() );
|
|
}
|
|
#endif
|
|
drawCursor( TRUE );
|
|
if ( !doc->hasSelection( QTextDocument::Standard, TRUE ) )
|
|
doc->removeSelection( QTextDocument::Standard );
|
|
|
|
emit copyAvailable( doc->hasSelection( QTextDocument::Standard ) );
|
|
emit selectionChanged();
|
|
}
|
|
|
|
/*!
|
|
\reimp
|
|
*/
|
|
|
|
void QTextEdit::contentsMouseDoubleClickEvent( QMouseEvent * e )
|
|
{
|
|
if ( e->button() != Qt::LeftButton && !d->composeMode() ) {
|
|
e->ignore();
|
|
return;
|
|
}
|
|
int para = 0;
|
|
int index = charAt( e->pos(), ¶ );
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode ) {
|
|
QString str = d->od->lines[ LOGOFFSET(para) ];
|
|
int startIdx = index, endIdx = index, i;
|
|
if ( !str[ index ].isSpace() ) {
|
|
i = startIdx;
|
|
// find start of word
|
|
while ( i >= 0 && !str[ i ].isSpace() ) {
|
|
startIdx = i--;
|
|
}
|
|
i = endIdx;
|
|
// find end of word..
|
|
while ( (uint) i < str.length() && !str[ i ].isSpace() ) {
|
|
endIdx = ++i;
|
|
}
|
|
// ..and start of next
|
|
while ( (uint) i < str.length() && str[ i ].isSpace() ) {
|
|
endIdx = ++i;
|
|
}
|
|
optimSetSelection( para, startIdx, para, endIdx );
|
|
repaintContents( FALSE );
|
|
}
|
|
} else
|
|
#endif
|
|
{
|
|
if ( sendMouseEventToInputContext( e ) )
|
|
return;
|
|
|
|
QTextCursor c1 = *cursor;
|
|
QTextCursor c2 = *cursor;
|
|
#if defined(Q_OS_MAC)
|
|
QTextParagraph *para = cursor->paragraph();
|
|
if ( cursor->isValid() ) {
|
|
if ( para->at( cursor->index() )->c.isLetterOrNumber() ) {
|
|
while ( c1.index() > 0 &&
|
|
c1.paragraph()->at( c1.index()-1 )->c.isLetterOrNumber() )
|
|
c1.gotoPreviousLetter();
|
|
while ( c2.paragraph()->at( c2.index() )->c.isLetterOrNumber() &&
|
|
!c2.atParagEnd() )
|
|
c2.gotoNextLetter();
|
|
} else if ( para->at( cursor->index() )->c.isSpace() ) {
|
|
while ( c1.index() > 0 &&
|
|
c1.paragraph()->at( c1.index()-1 )->c.isSpace() )
|
|
c1.gotoPreviousLetter();
|
|
while ( c2.paragraph()->at( c2.index() )->c.isSpace() &&
|
|
!c2.atParagEnd() )
|
|
c2.gotoNextLetter();
|
|
} else if ( !c2.atParagEnd() ) {
|
|
c2.gotoNextLetter();
|
|
}
|
|
}
|
|
#else
|
|
if ( cursor->index() > 0 && !cursor->paragraph()->at( cursor->index()-1 )->c.isSpace() )
|
|
c1.gotoPreviousWord();
|
|
if ( !cursor->paragraph()->at( cursor->index() )->c.isSpace() && !cursor->atParagEnd() )
|
|
c2.gotoNextWord();
|
|
#endif
|
|
doc->setSelectionStart( QTextDocument::Standard, c1 );
|
|
doc->setSelectionEnd( QTextDocument::Standard, c2 );
|
|
|
|
*cursor = c2;
|
|
|
|
repaintChanged();
|
|
|
|
d->trippleClickTimer->start( qApp->doubleClickInterval(), TRUE );
|
|
d->trippleClickPoint = e->globalPos();
|
|
}
|
|
inDoubleClick = TRUE;
|
|
mousePressed = TRUE;
|
|
emit doubleClicked( para, index );
|
|
}
|
|
|
|
#ifndef QT_NO_DRAGANDDROP
|
|
|
|
/*!
|
|
\reimp
|
|
*/
|
|
|
|
void QTextEdit::contentsDragEnterEvent( QDragEnterEvent *e )
|
|
{
|
|
if ( isReadOnly() || !QTextDrag::canDecode( e ) ) {
|
|
e->ignore();
|
|
return;
|
|
}
|
|
e->acceptAction();
|
|
inDnD = TRUE;
|
|
}
|
|
|
|
/*!
|
|
\reimp
|
|
*/
|
|
|
|
void QTextEdit::contentsDragMoveEvent( QDragMoveEvent *e )
|
|
{
|
|
if ( isReadOnly() || !QTextDrag::canDecode( e ) ) {
|
|
e->ignore();
|
|
return;
|
|
}
|
|
drawCursor( FALSE );
|
|
placeCursor( e->pos(), cursor );
|
|
drawCursor( TRUE );
|
|
e->acceptAction();
|
|
}
|
|
|
|
/*!
|
|
\reimp
|
|
*/
|
|
|
|
void QTextEdit::contentsDragLeaveEvent( QDragLeaveEvent * )
|
|
{
|
|
drawCursor( FALSE );
|
|
inDnD = FALSE;
|
|
}
|
|
|
|
/*!
|
|
\reimp
|
|
*/
|
|
|
|
void QTextEdit::contentsDropEvent( QDropEvent *e )
|
|
{
|
|
if ( isReadOnly() )
|
|
return;
|
|
inDnD = FALSE;
|
|
e->acceptAction();
|
|
bool intern = FALSE;
|
|
if ( QRichTextDrag::canDecode( e ) ) {
|
|
bool hasSel = doc->hasSelection( QTextDocument::Standard );
|
|
bool internalDrag = e->source() == this || e->source() == viewport();
|
|
int dropId, dropIndex;
|
|
QTextCursor insertCursor = *cursor;
|
|
dropId = cursor->paragraph()->paragId();
|
|
dropIndex = cursor->index();
|
|
if ( hasSel && internalDrag ) {
|
|
QTextCursor c1, c2;
|
|
int selStartId, selStartIndex;
|
|
int selEndId, selEndIndex;
|
|
c1 = doc->selectionStartCursor( QTextDocument::Standard );
|
|
c1.restoreState();
|
|
c2 = doc->selectionEndCursor( QTextDocument::Standard );
|
|
c2.restoreState();
|
|
selStartId = c1.paragraph()->paragId();
|
|
selStartIndex = c1.index();
|
|
selEndId = c2.paragraph()->paragId();
|
|
selEndIndex = c2.index();
|
|
if ( ( ( dropId > selStartId ) ||
|
|
( dropId == selStartId && dropIndex > selStartIndex ) ) &&
|
|
( ( dropId < selEndId ) ||
|
|
( dropId == selEndId && dropIndex <= selEndIndex ) ) )
|
|
insertCursor = c1;
|
|
if ( dropId == selEndId && dropIndex > selEndIndex ) {
|
|
insertCursor = c1;
|
|
if ( selStartId == selEndId ) {
|
|
insertCursor.setIndex( dropIndex -
|
|
( selEndIndex - selStartIndex ) );
|
|
} else {
|
|
insertCursor.setIndex( dropIndex - selEndIndex +
|
|
selStartIndex );
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( internalDrag && e->action() == QDropEvent::Move ) {
|
|
removeSelectedText();
|
|
intern = TRUE;
|
|
doc->removeSelection( QTextDocument::Standard );
|
|
} else {
|
|
doc->removeSelection( QTextDocument::Standard );
|
|
#ifndef QT_NO_CURSOR
|
|
viewport()->setCursor( isReadOnly() ? arrowCursor : ibeamCursor );
|
|
#endif
|
|
}
|
|
drawCursor( FALSE );
|
|
cursor->setParagraph( insertCursor.paragraph() );
|
|
cursor->setIndex( insertCursor.index() );
|
|
drawCursor( TRUE );
|
|
if ( !cursor->nestedDepth() ) {
|
|
QString subType = "plain";
|
|
if ( textFormat() != PlainText ) {
|
|
if ( e->provides( "application/x-qrichtext" ) )
|
|
subType = "x-qrichtext";
|
|
}
|
|
#ifndef QT_NO_CLIPBOARD
|
|
pasteSubType( subType.latin1(), e );
|
|
#endif
|
|
// emit appropriate signals.
|
|
emit selectionChanged();
|
|
emit cursorPositionChanged( cursor );
|
|
emit cursorPositionChanged( cursor->paragraph()->paragId(), cursor->index() );
|
|
} else {
|
|
if ( intern )
|
|
undo();
|
|
e->ignore();
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
/*!
|
|
\reimp
|
|
*/
|
|
void QTextEdit::contentsContextMenuEvent( QContextMenuEvent *e )
|
|
{
|
|
e->accept();
|
|
#ifndef QT_NO_IM
|
|
if ( d->composeMode() )
|
|
return;
|
|
#endif
|
|
|
|
clearUndoRedo();
|
|
mousePressed = FALSE;
|
|
|
|
#ifndef QT_NO_POPUPMENU
|
|
QGuardedPtr<QTextEdit> that = this;
|
|
QGuardedPtr<QPopupMenu> popup = createPopupMenu( e->pos() );
|
|
if ( !popup )
|
|
popup = createPopupMenu();
|
|
if ( !popup )
|
|
return;
|
|
|
|
int r = popup->exec( e->globalPos() );
|
|
delete popup;
|
|
if (!that)
|
|
return;
|
|
|
|
if ( r == d->id[ IdClear ] )
|
|
clear();
|
|
else if ( r == d->id[ IdSelectAll ] ) {
|
|
selectAll();
|
|
#ifndef QT_NO_CLIPBOARD
|
|
// if the clipboard support selections, put the newly selected text into
|
|
// the clipboard
|
|
if (QApplication::clipboard()->supportsSelection()) {
|
|
d->clipboard_mode = QClipboard::Selection;
|
|
|
|
// don't listen to selection changes
|
|
disconnect( QApplication::clipboard(), SIGNAL(selectionChanged()), this, 0);
|
|
copy();
|
|
// listen to selection changes
|
|
connect( QApplication::clipboard(), SIGNAL(selectionChanged()),
|
|
this, SLOT(clipboardChanged()) );
|
|
|
|
d->clipboard_mode = QClipboard::Clipboard;
|
|
}
|
|
#endif
|
|
} else if ( r == d->id[ IdUndo ] )
|
|
undo();
|
|
else if ( r == d->id[ IdRedo ] )
|
|
redo();
|
|
#ifndef QT_NO_CLIPBOARD
|
|
else if ( r == d->id[ IdCut ] )
|
|
cut();
|
|
else if ( r == d->id[ IdCopy ] )
|
|
copy();
|
|
else if ( r == d->id[ IdPaste ] )
|
|
paste();
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
|
|
void QTextEdit::autoScrollTimerDone()
|
|
{
|
|
if ( mousePressed )
|
|
handleMouseMove( viewportToContents( viewport()->mapFromGlobal( QCursor::pos() ) ) );
|
|
}
|
|
|
|
void QTextEdit::handleMouseMove( const QPoint& pos )
|
|
{
|
|
if ( !mousePressed )
|
|
return;
|
|
|
|
if ( (!scrollTimer->isActive() && pos.y() < contentsY()) || pos.y() > contentsY() + visibleHeight() )
|
|
scrollTimer->start( 100, FALSE );
|
|
else if ( scrollTimer->isActive() && pos.y() >= contentsY() && pos.y() <= contentsY() + visibleHeight() )
|
|
scrollTimer->stop();
|
|
|
|
drawCursor( FALSE );
|
|
QTextCursor oldCursor = *cursor;
|
|
|
|
placeCursor( pos );
|
|
|
|
if ( inDoubleClick ) {
|
|
QTextCursor cl = *cursor;
|
|
cl.gotoPreviousWord();
|
|
QTextCursor cr = *cursor;
|
|
cr.gotoNextWord();
|
|
|
|
int diff = QABS( oldCursor.paragraph()->at( oldCursor.index() )->x - mousePos.x() );
|
|
int ldiff = QABS( cl.paragraph()->at( cl.index() )->x - mousePos.x() );
|
|
int rdiff = QABS( cr.paragraph()->at( cr.index() )->x - mousePos.x() );
|
|
|
|
|
|
if ( cursor->paragraph()->lineStartOfChar( cursor->index() ) !=
|
|
oldCursor.paragraph()->lineStartOfChar( oldCursor.index() ) )
|
|
diff = 0xFFFFFF;
|
|
|
|
if ( rdiff < diff && rdiff < ldiff )
|
|
*cursor = cr;
|
|
else if ( ldiff < diff && ldiff < rdiff )
|
|
*cursor = cl;
|
|
else
|
|
*cursor = oldCursor;
|
|
|
|
}
|
|
ensureCursorVisible();
|
|
|
|
bool redraw = FALSE;
|
|
if ( doc->hasSelection( QTextDocument::Standard ) ) {
|
|
redraw = doc->setSelectionEnd( QTextDocument::Standard, *cursor ) || redraw;
|
|
}
|
|
|
|
if ( !redraw ) {
|
|
drawCursor( TRUE );
|
|
} else {
|
|
repaintChanged();
|
|
drawCursor( TRUE );
|
|
}
|
|
|
|
if ( currentFormat && currentFormat->key() != cursor->paragraph()->at( cursor->index() )->format()->key() ) {
|
|
currentFormat->removeRef();
|
|
currentFormat = doc->formatCollection()->format( cursor->paragraph()->at( cursor->index() )->format() );
|
|
if ( currentFormat->isMisspelled() ) {
|
|
currentFormat->removeRef();
|
|
currentFormat = doc->formatCollection()->format( currentFormat->font(), currentFormat->color() );
|
|
}
|
|
emit currentFontChanged( currentFormat->font() );
|
|
emit currentColorChanged( currentFormat->color() );
|
|
emit currentVerticalAlignmentChanged( (VerticalAlignment)currentFormat->vAlign() );
|
|
}
|
|
|
|
if ( currentAlignment != cursor->paragraph()->alignment() ) {
|
|
currentAlignment = cursor->paragraph()->alignment();
|
|
block_set_alignment = TRUE;
|
|
emit currentAlignmentChanged( currentAlignment );
|
|
block_set_alignment = FALSE;
|
|
}
|
|
}
|
|
|
|
/*! \internal */
|
|
|
|
void QTextEdit::placeCursor( const QPoint &pos, QTextCursor *c, bool link )
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode )
|
|
return;
|
|
#endif
|
|
if ( !c )
|
|
c = cursor;
|
|
|
|
resetInputContext();
|
|
c->restoreState();
|
|
QTextParagraph *s = doc->firstParagraph();
|
|
c->place( pos, s, link );
|
|
updateMicroFocusHint();
|
|
}
|
|
|
|
|
|
void QTextEdit::updateMicroFocusHint()
|
|
{
|
|
QTextCursor c( *cursor );
|
|
#if 0
|
|
// Disabled for Asian input method that shows candidate
|
|
// window. This behavior is same as Qt/E 2.3.7 which supports
|
|
// Asian input methods. Asian input methods need start point of IM
|
|
// selection text to place candidate window as adjacent to the
|
|
// selection text.
|
|
if ( d->preeditStart != -1 ) {
|
|
c.setIndex( d->preeditStart );
|
|
if(doc->hasSelection(QTextDocument::IMSelectionText)) {
|
|
int para, index;
|
|
doc->selectionStart(QTextDocument::IMSelectionText, para, index);
|
|
c.setIndex(index);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if ( hasFocus() || viewport()->hasFocus() ) {
|
|
int h = c.paragraph()->lineHeightOfChar( cursor->index() );
|
|
if ( !readonly ) {
|
|
QFont f = c.paragraph()->at( c.index() )->format()->font();
|
|
setMicroFocusHint( c.x() - contentsX() + frameWidth(),
|
|
c.y() + cursor->paragraph()->rect().y() - contentsY() + frameWidth(), 0, h, TRUE, &f );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void QTextEdit::formatMore()
|
|
{
|
|
if ( !lastFormatted )
|
|
return;
|
|
|
|
int bottom = contentsHeight();
|
|
int lastTop = -1;
|
|
int lastBottom = -1;
|
|
int to = 20;
|
|
bool firstVisible = FALSE;
|
|
QRect cr( contentsX(), contentsY(), visibleWidth(), visibleHeight() );
|
|
for ( int i = 0; lastFormatted &&
|
|
( i < to || ( firstVisible && lastTop < contentsY()+height() ) );
|
|
i++ ) {
|
|
lastFormatted->format();
|
|
lastTop = lastFormatted->rect().top();
|
|
lastBottom = lastFormatted->rect().bottom();
|
|
if ( i == 0 )
|
|
firstVisible = lastBottom < cr.bottom();
|
|
bottom = QMAX( bottom, lastBottom );
|
|
lastFormatted = lastFormatted->next();
|
|
}
|
|
|
|
if ( bottom > contentsHeight() ) {
|
|
resizeContents( contentsWidth(), QMAX( doc->height(), bottom ) );
|
|
} else if ( !lastFormatted && lastBottom < contentsHeight() ) {
|
|
resizeContents( contentsWidth(), QMAX( doc->height(), lastBottom ) );
|
|
if ( contentsHeight() < visibleHeight() )
|
|
updateContents( 0, contentsHeight(), visibleWidth(),
|
|
visibleHeight() - contentsHeight() );
|
|
}
|
|
|
|
if ( lastFormatted )
|
|
formatTimer->start( interval, TRUE );
|
|
else
|
|
interval = QMAX( 0, interval );
|
|
}
|
|
|
|
void QTextEdit::doResize()
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( !d->optimMode )
|
|
#endif
|
|
{
|
|
if ( wrapMode == FixedPixelWidth )
|
|
return;
|
|
doc->setMinimumWidth( -1 );
|
|
resizeContents( 0, 0 );
|
|
doc->setWidth( visibleWidth() );
|
|
doc->invalidate();
|
|
lastFormatted = doc->firstParagraph();
|
|
interval = 0;
|
|
formatMore();
|
|
}
|
|
repaintContents( FALSE );
|
|
}
|
|
|
|
/*! \internal */
|
|
|
|
void QTextEdit::doChangeInterval()
|
|
{
|
|
interval = 0;
|
|
}
|
|
|
|
/*!
|
|
\reimp
|
|
*/
|
|
|
|
bool QTextEdit::eventFilter( QObject *o, QEvent *e )
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( !d->optimMode && (o == this || o == viewport()) ) {
|
|
#else
|
|
if ( o == this || o == viewport() ) {
|
|
#endif
|
|
if ( e->type() == QEvent::FocusIn ) {
|
|
if ( QApplication::cursorFlashTime() > 0 )
|
|
blinkTimer->start( QApplication::cursorFlashTime() / 2 );
|
|
drawCursor( TRUE );
|
|
updateMicroFocusHint();
|
|
} else if ( e->type() == QEvent::FocusOut ) {
|
|
blinkTimer->stop();
|
|
drawCursor( FALSE );
|
|
}
|
|
}
|
|
|
|
if ( o == this && e->type() == QEvent::PaletteChange ) {
|
|
QColor old( viewport()->colorGroup().color( QColorGroup::Text ) );
|
|
if ( old != colorGroup().color( QColorGroup::Text ) ) {
|
|
QColor c( colorGroup().color( QColorGroup::Text ) );
|
|
doc->setMinimumWidth( -1 );
|
|
doc->setDefaultFormat( doc->formatCollection()->defaultFormat()->font(), c );
|
|
lastFormatted = doc->firstParagraph();
|
|
formatMore();
|
|
repaintChanged();
|
|
}
|
|
}
|
|
|
|
return QScrollView::eventFilter( o, e );
|
|
}
|
|
|
|
/*!
|
|
\obsolete
|
|
*/
|
|
void QTextEdit::insert( const QString &text, bool indent,
|
|
bool checkNewLine, bool removeSelected )
|
|
{
|
|
uint f = 0;
|
|
if ( indent )
|
|
f |= RedoIndentation;
|
|
if ( checkNewLine )
|
|
f |= CheckNewLines;
|
|
if ( removeSelected )
|
|
f |= RemoveSelected;
|
|
insert( text, f );
|
|
}
|
|
|
|
/*!
|
|
Inserts \a text at the current cursor position.
|
|
|
|
The \a insertionFlags define how the text is inserted. If \c
|
|
RedoIndentation is set, the paragraph is re-indented. If \c
|
|
CheckNewLines is set, newline characters in \a text result in hard
|
|
line breaks (i.e. new paragraphs). If \c checkNewLine is not set,
|
|
the behaviour of the editor is undefined if the \a text contains
|
|
newlines. (It is not possible to change QTextEdit's newline handling
|
|
behavior, but you can use QString::replace() to preprocess text
|
|
before inserting it.) If \c RemoveSelected is set, any selected
|
|
text (in selection 0) is removed before the text is inserted.
|
|
|
|
The default flags are \c CheckNewLines | \c RemoveSelected.
|
|
|
|
If the widget is in \c LogText mode this function will do nothing.
|
|
|
|
\sa paste() pasteSubType()
|
|
*/
|
|
|
|
|
|
void QTextEdit::insert( const QString &text, uint insertionFlags )
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode )
|
|
return;
|
|
#endif
|
|
|
|
if ( cursor->nestedDepth() != 0 ) // #### for 3.0, disable editing of tables as this is not advanced enough
|
|
return;
|
|
|
|
bool indent = insertionFlags & RedoIndentation;
|
|
bool checkNewLine = insertionFlags & CheckNewLines;
|
|
bool removeSelected = insertionFlags & RemoveSelected;
|
|
bool imComposition = insertionFlags & AsIMCompositionText;
|
|
bool imSelection = insertionFlags & WithIMSelection;
|
|
QString txt( text );
|
|
drawCursor( FALSE );
|
|
if ( !isReadOnly() && doc->hasSelection( QTextDocument::Standard ) && removeSelected )
|
|
removeSelectedText();
|
|
QTextCursor c2 = *cursor;
|
|
int oldLen = 0;
|
|
|
|
if ( undoEnabled && !isReadOnly() && undoRedoInfo.type != UndoRedoInfo::IME ) {
|
|
checkUndoRedoInfo( UndoRedoInfo::Insert );
|
|
|
|
if (undoRedoInfo.valid() && undoRedoInfo.index + undoRedoInfo.d->text.length() != cursor->index()) {
|
|
clearUndoRedo();
|
|
undoRedoInfo.type = UndoRedoInfo::Insert;
|
|
}
|
|
|
|
if ( !undoRedoInfo.valid() ) {
|
|
undoRedoInfo.id = cursor->paragraph()->paragId();
|
|
undoRedoInfo.index = cursor->index();
|
|
undoRedoInfo.d->text = QString::null;
|
|
}
|
|
oldLen = undoRedoInfo.d->text.length();
|
|
}
|
|
|
|
lastFormatted = checkNewLine && cursor->paragraph()->prev() ?
|
|
cursor->paragraph()->prev() : cursor->paragraph();
|
|
QTextCursor oldCursor = *cursor;
|
|
cursor->insert( txt, checkNewLine );
|
|
if ( doc->useFormatCollection() && !doc->preProcessor() ) {
|
|
doc->setSelectionStart( QTextDocument::Temp, oldCursor );
|
|
doc->setSelectionEnd( QTextDocument::Temp, *cursor );
|
|
doc->setFormat( QTextDocument::Temp, currentFormat, QTextFormat::Format );
|
|
doc->removeSelection( QTextDocument::Temp );
|
|
}
|
|
|
|
if ( indent && ( txt == "{" || txt == "}" || txt == ":" || txt == "#" ) )
|
|
cursor->indent();
|
|
formatMore();
|
|
repaintChanged();
|
|
ensureCursorVisible();
|
|
// Asian users regard selection text as cursor on candidate
|
|
// selection phase of input method, so ordinary cursor should be
|
|
// invisible if IM selection text exists.
|
|
drawCursor( !imSelection );
|
|
|
|
if ( undoEnabled && !isReadOnly() && undoRedoInfo.type != UndoRedoInfo::IME ) {
|
|
undoRedoInfo.d->text += txt;
|
|
if ( !doc->preProcessor() ) {
|
|
for ( int i = 0; i < (int)txt.length(); ++i ) {
|
|
if ( txt[ i ] != '\n' && c2.paragraph()->at( c2.index() )->format() ) {
|
|
c2.paragraph()->at( c2.index() )->format()->addRef();
|
|
undoRedoInfo.d->text.
|
|
setFormat( oldLen + i,
|
|
c2.paragraph()->at( c2.index() )->format(), TRUE );
|
|
}
|
|
c2.gotoNextLetter();
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( !removeSelected ) {
|
|
doc->setSelectionStart( QTextDocument::Standard, oldCursor );
|
|
doc->setSelectionEnd( QTextDocument::Standard, *cursor );
|
|
repaintChanged();
|
|
}
|
|
// updateMicroFocusHint() should not be invoked here when this
|
|
// function is invoked from imComposeEvent() because cursor
|
|
// postion is incorrect yet. imComposeEvent() invokes
|
|
// updateMicroFocusHint() later.
|
|
if ( !imComposition ) {
|
|
updateMicroFocusHint();
|
|
}
|
|
setModified();
|
|
emit textChanged();
|
|
}
|
|
|
|
/*!
|
|
Inserts \a text in the paragraph \a para at position \a index.
|
|
*/
|
|
|
|
void QTextEdit::insertAt( const QString &text, int para, int index )
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode ) {
|
|
optimInsert( text, para, index );
|
|
return;
|
|
}
|
|
#endif
|
|
resetInputContext();
|
|
QTextParagraph *p = doc->paragAt( para );
|
|
if ( !p )
|
|
return;
|
|
removeSelection( QTextDocument::Standard );
|
|
QTextCursor tmp = *cursor;
|
|
cursor->setParagraph( p );
|
|
cursor->setIndex( index );
|
|
insert( text, FALSE, TRUE, FALSE );
|
|
*cursor = tmp;
|
|
removeSelection( QTextDocument::Standard );
|
|
}
|
|
|
|
/*!
|
|
Inserts \a text as a new paragraph at position \a para. If \a para
|
|
is -1, the text is appended. Use append() if the append operation
|
|
is performance critical.
|
|
*/
|
|
|
|
void QTextEdit::insertParagraph( const QString &text, int para )
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode ) {
|
|
optimInsert( text + "\n", para, 0 );
|
|
return;
|
|
}
|
|
#endif
|
|
resetInputContext();
|
|
for ( int i = 0; i < (int)doc->numSelections(); ++i )
|
|
doc->removeSelection( i );
|
|
|
|
QTextParagraph *p = doc->paragAt( para );
|
|
|
|
bool append = !p;
|
|
if ( !p )
|
|
p = doc->lastParagraph();
|
|
|
|
QTextCursor old = *cursor;
|
|
drawCursor( FALSE );
|
|
|
|
cursor->setParagraph( p );
|
|
cursor->setIndex( 0 );
|
|
clearUndoRedo();
|
|
qtextedit_ignore_readonly = TRUE;
|
|
if ( append && cursor->paragraph()->length() > 1 ) {
|
|
cursor->setIndex( cursor->paragraph()->length() - 1 );
|
|
doKeyboardAction( ActionReturn );
|
|
}
|
|
insert( text, FALSE, TRUE, TRUE );
|
|
doKeyboardAction( ActionReturn );
|
|
qtextedit_ignore_readonly = FALSE;
|
|
|
|
drawCursor( FALSE );
|
|
*cursor = old;
|
|
drawCursor( TRUE );
|
|
|
|
repaintChanged();
|
|
}
|
|
|
|
/*!
|
|
Removes the paragraph \a para.
|
|
*/
|
|
|
|
void QTextEdit::removeParagraph( int para )
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode )
|
|
return;
|
|
#endif
|
|
resetInputContext();
|
|
QTextParagraph *p = doc->paragAt( para );
|
|
if ( !p )
|
|
return;
|
|
|
|
for ( int i = 0; i < doc->numSelections(); ++i )
|
|
doc->removeSelection( i );
|
|
|
|
QTextCursor start( doc );
|
|
QTextCursor end( doc );
|
|
start.setParagraph( p );
|
|
start.setIndex( 0 );
|
|
end.setParagraph( p );
|
|
end.setIndex( p->length() - 1 );
|
|
|
|
if ( !(p == doc->firstParagraph() && p == doc->lastParagraph()) ) {
|
|
if ( p->next() ) {
|
|
end.setParagraph( p->next() );
|
|
end.setIndex( 0 );
|
|
} else if ( p->prev() ) {
|
|
start.setParagraph( p->prev() );
|
|
start.setIndex( p->prev()->length() - 1 );
|
|
}
|
|
}
|
|
|
|
doc->setSelectionStart( QTextDocument::Temp, start );
|
|
doc->setSelectionEnd( QTextDocument::Temp, end );
|
|
removeSelectedText( QTextDocument::Temp );
|
|
}
|
|
|
|
/*!
|
|
Undoes the last operation.
|
|
|
|
If there is no operation to undo, i.e. there is no undo step in
|
|
the undo/redo history, nothing happens.
|
|
|
|
\sa undoAvailable() redo() undoDepth()
|
|
*/
|
|
|
|
void QTextEdit::undo()
|
|
{
|
|
clearUndoRedo();
|
|
if ( isReadOnly() || !doc->commands()->isUndoAvailable() || !undoEnabled )
|
|
return;
|
|
|
|
resetInputContext();
|
|
for ( int i = 0; i < (int)doc->numSelections(); ++i )
|
|
doc->removeSelection( i );
|
|
|
|
#ifndef QT_NO_CURSOR
|
|
viewport()->setCursor( isReadOnly() ? arrowCursor : ibeamCursor );
|
|
#endif
|
|
|
|
clearUndoRedo();
|
|
drawCursor( FALSE );
|
|
QTextCursor *c = doc->undo( cursor );
|
|
if ( !c ) {
|
|
drawCursor( TRUE );
|
|
return;
|
|
}
|
|
lastFormatted = 0;
|
|
repaintChanged();
|
|
ensureCursorVisible();
|
|
drawCursor( TRUE );
|
|
updateMicroFocusHint();
|
|
setModified();
|
|
// ### If we get back to a completely blank textedit, it
|
|
// is possible that cursor is invalid and further actions
|
|
// might not fix the problem, so reset the cursor here.
|
|
// This is copied from removeSeletedText(), it might be
|
|
// okay to just call that.
|
|
if ( !cursor->isValid() ) {
|
|
delete cursor;
|
|
cursor = new QTextCursor( doc );
|
|
drawCursor( TRUE );
|
|
repaintContents( TRUE );
|
|
}
|
|
emit undoAvailable( isUndoAvailable() );
|
|
emit redoAvailable( isRedoAvailable() );
|
|
emit textChanged();
|
|
}
|
|
|
|
/*!
|
|
Redoes the last operation.
|
|
|
|
If there is no operation to redo, i.e. there is no redo step in
|
|
the undo/redo history, nothing happens.
|
|
|
|
\sa redoAvailable() undo() undoDepth()
|
|
*/
|
|
|
|
void QTextEdit::redo()
|
|
{
|
|
if ( isReadOnly() || !doc->commands()->isRedoAvailable() || !undoEnabled )
|
|
return;
|
|
|
|
resetInputContext();
|
|
for ( int i = 0; i < (int)doc->numSelections(); ++i )
|
|
doc->removeSelection( i );
|
|
|
|
#ifndef QT_NO_CURSOR
|
|
viewport()->setCursor( isReadOnly() ? arrowCursor : ibeamCursor );
|
|
#endif
|
|
|
|
clearUndoRedo();
|
|
drawCursor( FALSE );
|
|
QTextCursor *c = doc->redo( cursor );
|
|
if ( !c ) {
|
|
drawCursor( TRUE );
|
|
return;
|
|
}
|
|
lastFormatted = 0;
|
|
ensureCursorVisible();
|
|
repaintChanged();
|
|
ensureCursorVisible();
|
|
drawCursor( TRUE );
|
|
updateMicroFocusHint();
|
|
setModified();
|
|
emit undoAvailable( isUndoAvailable() );
|
|
emit redoAvailable( isRedoAvailable() );
|
|
emit textChanged();
|
|
}
|
|
|
|
/*!
|
|
Pastes the text from the clipboard into the text edit at the
|
|
current cursor position. Only plain text is pasted.
|
|
|
|
If there is no text in the clipboard nothing happens.
|
|
|
|
\sa pasteSubType() cut() QTextEdit::copy()
|
|
*/
|
|
|
|
void QTextEdit::paste()
|
|
{
|
|
#ifndef QT_NO_MIMECLIPBOARD
|
|
if ( isReadOnly() )
|
|
return;
|
|
QString subType = "plain";
|
|
if ( textFormat() != PlainText ) {
|
|
QMimeSource *m = QApplication::clipboard()->data( d->clipboard_mode );
|
|
if ( !m )
|
|
return;
|
|
if ( m->provides( "application/x-qrichtext" ) )
|
|
subType = "x-qrichtext";
|
|
}
|
|
|
|
pasteSubType( subType.latin1() );
|
|
updateMicroFocusHint();
|
|
#endif
|
|
}
|
|
|
|
void QTextEdit::checkUndoRedoInfo( UndoRedoInfo::Type t )
|
|
{
|
|
if ( undoRedoInfo.valid() && t != undoRedoInfo.type ) {
|
|
clearUndoRedo();
|
|
}
|
|
undoRedoInfo.type = t;
|
|
}
|
|
|
|
/*!
|
|
Repaints any paragraphs that have changed.
|
|
|
|
Although used extensively internally you shouldn't need to call
|
|
this yourself.
|
|
*/
|
|
|
|
void QTextEdit::repaintChanged()
|
|
{
|
|
if ( !isUpdatesEnabled() || !viewport()->isUpdatesEnabled() )
|
|
return;
|
|
|
|
QPainter p( viewport() );
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode ) {
|
|
optimDrawContents( &p, contentsX(), contentsY(), visibleWidth(), visibleHeight() );
|
|
return;
|
|
}
|
|
#endif
|
|
p.translate( -contentsX(), -contentsY() );
|
|
paintDocument( FALSE, &p, contentsX(), contentsY(), visibleWidth(), visibleHeight() );
|
|
}
|
|
|
|
#ifndef QT_NO_MIME
|
|
QTextDrag *QTextEdit::dragObject( QWidget *parent ) const
|
|
{
|
|
if ( !doc->hasSelection( QTextDocument::Standard ) ||
|
|
doc->selectedText( QTextDocument::Standard ).isEmpty() )
|
|
return 0;
|
|
if ( textFormat() != RichText )
|
|
return new QTextDrag( doc->selectedText( QTextDocument::Standard ), parent );
|
|
QRichTextDrag *drag = new QRichTextDrag( parent );
|
|
drag->setPlainText( doc->selectedText( QTextDocument::Standard ) );
|
|
drag->setRichText( doc->selectedText( QTextDocument::Standard, TRUE ) );
|
|
return drag;
|
|
}
|
|
#endif
|
|
|
|
/*!
|
|
Copies the selected text (from selection 0) to the clipboard and
|
|
deletes it from the text edit.
|
|
|
|
If there is no selected text (in selection 0) nothing happens.
|
|
|
|
\sa QTextEdit::copy() paste() pasteSubType()
|
|
*/
|
|
|
|
void QTextEdit::cut()
|
|
{
|
|
if ( isReadOnly() )
|
|
return;
|
|
resetInputContext();
|
|
normalCopy();
|
|
removeSelectedText();
|
|
updateMicroFocusHint();
|
|
}
|
|
|
|
void QTextEdit::normalCopy()
|
|
{
|
|
#ifndef QT_NO_MIME
|
|
QTextDrag *drag = dragObject();
|
|
if ( !drag )
|
|
return;
|
|
#ifndef QT_NO_MIMECLIPBOARD
|
|
QApplication::clipboard()->setData( drag, d->clipboard_mode );
|
|
#endif // QT_NO_MIMECLIPBOARD
|
|
#endif // QT_NO_MIME
|
|
}
|
|
|
|
/*!
|
|
Copies any selected text (from selection 0) to the clipboard.
|
|
|
|
\sa hasSelectedText() copyAvailable()
|
|
*/
|
|
|
|
void QTextEdit::copy()
|
|
{
|
|
#ifndef QT_NO_CLIPBOARD
|
|
# ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode && optimHasSelection() )
|
|
QApplication::clipboard()->setText( optimSelectedText(), d->clipboard_mode );
|
|
else
|
|
normalCopy();
|
|
# else
|
|
normalCopy();
|
|
# endif
|
|
#endif
|
|
}
|
|
|
|
/*!
|
|
\internal
|
|
|
|
Re-indents the current paragraph.
|
|
*/
|
|
|
|
void QTextEdit::indent()
|
|
{
|
|
if ( isReadOnly() )
|
|
return;
|
|
|
|
drawCursor( FALSE );
|
|
if ( !doc->hasSelection( QTextDocument::Standard ) )
|
|
cursor->indent();
|
|
else
|
|
doc->indentSelection( QTextDocument::Standard );
|
|
repaintChanged();
|
|
drawCursor( TRUE );
|
|
setModified();
|
|
emit textChanged();
|
|
}
|
|
|
|
/*!
|
|
Reimplemented to allow tabbing through links. If \a n is TRUE the
|
|
tab moves the focus to the next child; if \a n is FALSE the tab
|
|
moves the focus to the previous child. Returns TRUE if the focus
|
|
was moved; otherwise returns FALSE.
|
|
*/
|
|
|
|
bool QTextEdit::focusNextPrevChild( bool n )
|
|
{
|
|
if ( !isReadOnly() || !linksEnabled() )
|
|
return FALSE;
|
|
bool b = doc->focusNextPrevChild( n );
|
|
repaintChanged();
|
|
if ( b ) {
|
|
QTextParagraph *p = doc->focusIndicator.parag;
|
|
int start = doc->focusIndicator.start;
|
|
int len = doc->focusIndicator.len;
|
|
|
|
int y = p->rect().y();
|
|
while ( p
|
|
&& len == 0
|
|
&& p->at( start )->isCustom()
|
|
&& p->at( start )->customItem()->isNested() ) {
|
|
|
|
QTextTable *t = (QTextTable*)p->at( start )->customItem();
|
|
QPtrList<QTextTableCell> cells = t->tableCells();
|
|
QTextTableCell *c;
|
|
for ( c = cells.first(); c; c = cells.next() ) {
|
|
QTextDocument *cellDoc = c->richText();
|
|
if ( cellDoc->hasFocusParagraph() ) {
|
|
y += c->geometry().y() + c->verticalAlignmentOffset();
|
|
|
|
p = cellDoc->focusIndicator.parag;
|
|
start = cellDoc->focusIndicator.start;
|
|
len = cellDoc->focusIndicator.len;
|
|
if ( p )
|
|
y += p->rect().y();
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
setContentsPos( contentsX(), QMIN( y, contentsHeight() - visibleHeight() ) );
|
|
}
|
|
return b;
|
|
}
|
|
|
|
/*!
|
|
\internal
|
|
|
|
This functions sets the current format to \a f. Only the fields of \a
|
|
f which are specified by the \a flags are used.
|
|
*/
|
|
|
|
void QTextEdit::setFormat( QTextFormat *f, int flags )
|
|
{
|
|
if ( doc->hasSelection( QTextDocument::Standard ) ) {
|
|
drawCursor( FALSE );
|
|
QTextCursor c1 = doc->selectionStartCursor( QTextDocument::Standard );
|
|
c1.restoreState();
|
|
QTextCursor c2 = doc->selectionEndCursor( QTextDocument::Standard );
|
|
c2.restoreState();
|
|
if ( undoEnabled ) {
|
|
clearUndoRedo();
|
|
undoRedoInfo.type = UndoRedoInfo::Format;
|
|
undoRedoInfo.id = c1.paragraph()->paragId();
|
|
undoRedoInfo.index = c1.index();
|
|
undoRedoInfo.eid = c2.paragraph()->paragId();
|
|
undoRedoInfo.eindex = c2.index();
|
|
readFormats( c1, c2, undoRedoInfo.d->text );
|
|
undoRedoInfo.format = f;
|
|
undoRedoInfo.flags = flags;
|
|
clearUndoRedo();
|
|
}
|
|
doc->setFormat( QTextDocument::Standard, f, flags );
|
|
repaintChanged();
|
|
formatMore();
|
|
drawCursor( TRUE );
|
|
setModified();
|
|
emit textChanged();
|
|
}
|
|
if ( currentFormat && currentFormat->key() != f->key() ) {
|
|
currentFormat->removeRef();
|
|
currentFormat = doc->formatCollection()->format( f );
|
|
if ( currentFormat->isMisspelled() ) {
|
|
currentFormat->removeRef();
|
|
currentFormat = doc->formatCollection()->format( currentFormat->font(),
|
|
currentFormat->color() );
|
|
}
|
|
emit currentFontChanged( currentFormat->font() );
|
|
emit currentColorChanged( currentFormat->color() );
|
|
emit currentVerticalAlignmentChanged( (VerticalAlignment)currentFormat->vAlign() );
|
|
if ( cursor->index() == cursor->paragraph()->length() - 1 ) {
|
|
currentFormat->addRef();
|
|
cursor->paragraph()->string()->setFormat( cursor->index(), currentFormat, TRUE );
|
|
if ( cursor->paragraph()->length() == 1 ) {
|
|
cursor->paragraph()->invalidate( 0 );
|
|
cursor->paragraph()->format();
|
|
repaintChanged();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*!
|
|
\reimp
|
|
*/
|
|
|
|
void QTextEdit::setPalette( const QPalette &p )
|
|
{
|
|
QScrollView::setPalette( p );
|
|
if ( textFormat() == PlainText ) {
|
|
QTextFormat *f = doc->formatCollection()->defaultFormat();
|
|
f->setColor( colorGroup().text() );
|
|
updateContents();
|
|
}
|
|
}
|
|
|
|
/*! \internal
|
|
\warning In Qt 3.1 we will provide a cleaer API for the
|
|
functionality which is provided by this function and in Qt 4.0 this
|
|
function will go away.
|
|
|
|
Sets the paragraph style of the current paragraph
|
|
to \a dm. If \a dm is QStyleSheetItem::DisplayListItem, the
|
|
type of the list item is set to \a listStyle.
|
|
|
|
\sa setAlignment()
|
|
*/
|
|
|
|
void QTextEdit::setParagType( QStyleSheetItem::DisplayMode dm,
|
|
QStyleSheetItem::ListStyle listStyle )
|
|
{
|
|
if ( isReadOnly() )
|
|
return;
|
|
|
|
drawCursor( FALSE );
|
|
QTextParagraph *start = cursor->paragraph();
|
|
QTextParagraph *end = start;
|
|
if ( doc->hasSelection( QTextDocument::Standard ) ) {
|
|
start = doc->selectionStartCursor( QTextDocument::Standard ).topParagraph();
|
|
end = doc->selectionEndCursor( QTextDocument::Standard ).topParagraph();
|
|
if ( end->paragId() < start->paragId() )
|
|
return; // do not trust our selections
|
|
}
|
|
|
|
clearUndoRedo();
|
|
undoRedoInfo.type = UndoRedoInfo::Style;
|
|
undoRedoInfo.id = start->paragId();
|
|
undoRedoInfo.eid = end->paragId();
|
|
undoRedoInfo.styleInformation = QTextStyleCommand::readStyleInformation( doc, undoRedoInfo.id, undoRedoInfo.eid );
|
|
|
|
while ( start != end->next() ) {
|
|
start->setListStyle( listStyle );
|
|
if ( dm == QStyleSheetItem::DisplayListItem ) {
|
|
start->setListItem( TRUE );
|
|
if( start->listDepth() == 0 )
|
|
start->setListDepth( 1 );
|
|
} else if ( start->isListItem() ) {
|
|
start->setListItem( FALSE );
|
|
start->setListDepth( QMAX( start->listDepth()-1, 0 ) );
|
|
}
|
|
start = start->next();
|
|
}
|
|
|
|
clearUndoRedo();
|
|
repaintChanged();
|
|
formatMore();
|
|
drawCursor( TRUE );
|
|
setModified();
|
|
emit textChanged();
|
|
}
|
|
|
|
/*!
|
|
Sets the alignment of the current paragraph to \a a. Valid
|
|
alignments are \c Qt::AlignLeft, \c Qt::AlignRight,
|
|
\c Qt::AlignJustify and \c Qt::AlignCenter (which centers
|
|
horizontally).
|
|
*/
|
|
|
|
void QTextEdit::setAlignment( int a )
|
|
{
|
|
if ( isReadOnly() || block_set_alignment )
|
|
return;
|
|
|
|
drawCursor( FALSE );
|
|
QTextParagraph *start = cursor->paragraph();
|
|
QTextParagraph *end = start;
|
|
if ( doc->hasSelection( QTextDocument::Standard ) ) {
|
|
start = doc->selectionStartCursor( QTextDocument::Standard ).topParagraph();
|
|
end = doc->selectionEndCursor( QTextDocument::Standard ).topParagraph();
|
|
if ( end->paragId() < start->paragId() )
|
|
return; // do not trust our selections
|
|
}
|
|
|
|
clearUndoRedo();
|
|
undoRedoInfo.type = UndoRedoInfo::Style;
|
|
undoRedoInfo.id = start->paragId();
|
|
undoRedoInfo.eid = end->paragId();
|
|
undoRedoInfo.styleInformation = QTextStyleCommand::readStyleInformation( doc, undoRedoInfo.id, undoRedoInfo.eid );
|
|
|
|
while ( start != end->next() ) {
|
|
start->setAlignment( a );
|
|
start = start->next();
|
|
}
|
|
|
|
clearUndoRedo();
|
|
repaintChanged();
|
|
formatMore();
|
|
drawCursor( TRUE );
|
|
if ( currentAlignment != a ) {
|
|
currentAlignment = a;
|
|
emit currentAlignmentChanged( currentAlignment );
|
|
}
|
|
setModified();
|
|
emit textChanged();
|
|
}
|
|
|
|
void QTextEdit::updateCurrentFormat()
|
|
{
|
|
int i = cursor->index();
|
|
if ( i > 0 )
|
|
--i;
|
|
if ( doc->useFormatCollection() &&
|
|
( !currentFormat || currentFormat->key() != cursor->paragraph()->at( i )->format()->key() ) ) {
|
|
if ( currentFormat )
|
|
currentFormat->removeRef();
|
|
currentFormat = doc->formatCollection()->format( cursor->paragraph()->at( i )->format() );
|
|
if ( currentFormat->isMisspelled() ) {
|
|
currentFormat->removeRef();
|
|
currentFormat = doc->formatCollection()->format( currentFormat->font(), currentFormat->color() );
|
|
}
|
|
emit currentFontChanged( currentFormat->font() );
|
|
emit currentColorChanged( currentFormat->color() );
|
|
emit currentVerticalAlignmentChanged( (VerticalAlignment)currentFormat->vAlign() );
|
|
}
|
|
|
|
if ( currentAlignment != cursor->paragraph()->alignment() ) {
|
|
currentAlignment = cursor->paragraph()->alignment();
|
|
block_set_alignment = TRUE;
|
|
emit currentAlignmentChanged( currentAlignment );
|
|
block_set_alignment = FALSE;
|
|
}
|
|
}
|
|
|
|
/*!
|
|
If \a b is TRUE sets the current format to italic; otherwise sets
|
|
the current format to non-italic.
|
|
|
|
\sa italic()
|
|
*/
|
|
|
|
void QTextEdit::setItalic( bool b )
|
|
{
|
|
QTextFormat f( *currentFormat );
|
|
f.setItalic( b );
|
|
QTextFormat *f2 = doc->formatCollection()->format( &f );
|
|
setFormat(f2, QTextFormat::Italic );
|
|
}
|
|
|
|
/*!
|
|
If \a b is TRUE sets the current format to bold; otherwise sets
|
|
the current format to non-bold.
|
|
|
|
\sa bold()
|
|
*/
|
|
|
|
void QTextEdit::setBold( bool b )
|
|
{
|
|
QTextFormat f( *currentFormat );
|
|
f.setBold( b );
|
|
QTextFormat *f2 = doc->formatCollection()->format( &f );
|
|
setFormat( f2, QTextFormat::Bold );
|
|
}
|
|
|
|
/*!
|
|
If \a b is TRUE sets the current format to underline; otherwise
|
|
sets the current format to non-underline.
|
|
|
|
\sa underline()
|
|
*/
|
|
|
|
void QTextEdit::setUnderline( bool b )
|
|
{
|
|
QTextFormat f( *currentFormat );
|
|
f.setUnderline( b );
|
|
QTextFormat *f2 = doc->formatCollection()->format( &f );
|
|
setFormat( f2, QTextFormat::Underline );
|
|
}
|
|
|
|
/*!
|
|
Sets the font family of the current format to \a fontFamily.
|
|
|
|
\sa family() setCurrentFont()
|
|
*/
|
|
|
|
void QTextEdit::setFamily( const QString &fontFamily )
|
|
{
|
|
QTextFormat f( *currentFormat );
|
|
f.setFamily( fontFamily );
|
|
QTextFormat *f2 = doc->formatCollection()->format( &f );
|
|
setFormat( f2, QTextFormat::Family );
|
|
}
|
|
|
|
/*!
|
|
Sets the point size of the current format to \a s.
|
|
|
|
Note that if \a s is zero or negative, the behaviour of this
|
|
function is not defined.
|
|
|
|
\sa pointSize() setCurrentFont() setFamily()
|
|
*/
|
|
|
|
void QTextEdit::setPointSize( int s )
|
|
{
|
|
QTextFormat f( *currentFormat );
|
|
f.setPointSize( s );
|
|
QTextFormat *f2 = doc->formatCollection()->format( &f );
|
|
setFormat( f2, QTextFormat::Size );
|
|
}
|
|
|
|
/*!
|
|
Sets the color of the current format, i.e. of the text, to \a c.
|
|
|
|
\sa color() setPaper()
|
|
*/
|
|
|
|
void QTextEdit::setColor( const QColor &c )
|
|
{
|
|
QTextFormat f( *currentFormat );
|
|
f.setColor( c );
|
|
QTextFormat *f2 = doc->formatCollection()->format( &f );
|
|
setFormat( f2, QTextFormat::Color );
|
|
}
|
|
|
|
/*!
|
|
Sets the vertical alignment of the current format, i.e. of the
|
|
text, to \a a.
|
|
|
|
\sa color() setPaper()
|
|
*/
|
|
|
|
void QTextEdit::setVerticalAlignment( VerticalAlignment a )
|
|
{
|
|
QTextFormat f( *currentFormat );
|
|
f.setVAlign( (QTextFormat::VerticalAlignment)a );
|
|
QTextFormat *f2 = doc->formatCollection()->format( &f );
|
|
setFormat( f2, QTextFormat::VAlign );
|
|
}
|
|
|
|
void QTextEdit::setFontInternal( const QFont &f_ )
|
|
{
|
|
QTextFormat f( *currentFormat );
|
|
f.setFont( f_ );
|
|
QTextFormat *f2 = doc->formatCollection()->format( &f );
|
|
setFormat( f2, QTextFormat::Font );
|
|
}
|
|
|
|
|
|
QString QTextEdit::text() const
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode )
|
|
return optimText();
|
|
#endif
|
|
|
|
QTextParagraph *p = doc->firstParagraph();
|
|
if ( !p || (!p->next() && p->length() <= 1) )
|
|
return QString::fromLatin1("");
|
|
|
|
if ( isReadOnly() )
|
|
return doc->originalText();
|
|
return doc->text();
|
|
}
|
|
|
|
/*!
|
|
\overload
|
|
|
|
Returns the text of paragraph \a para.
|
|
|
|
If textFormat() is \c RichText the text will contain HTML
|
|
formatting tags.
|
|
*/
|
|
|
|
QString QTextEdit::text( int para ) const
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode && (d->od->numLines >= para) ) {
|
|
QString paraStr = d->od->lines[ LOGOFFSET(para) ];
|
|
if ( paraStr.isEmpty() )
|
|
paraStr = "\n";
|
|
return paraStr;
|
|
} else
|
|
#endif
|
|
return doc->text( para );
|
|
}
|
|
|
|
/*!
|
|
\overload
|
|
|
|
Changes the text of the text edit to the string \a text and the
|
|
context to \a context. Any previous text is removed.
|
|
|
|
\a text may be interpreted either as plain text or as rich text,
|
|
depending on the textFormat(). The default setting is \c AutoText,
|
|
i.e. the text edit auto-detects the format from \a text.
|
|
|
|
For rich text the rendering style and available tags are defined
|
|
by a styleSheet(); see QStyleSheet for details.
|
|
|
|
The optional \a context is a path which the text edit's
|
|
QMimeSourceFactory uses to resolve the locations of files and
|
|
images. (See \l{QTextEdit::QTextEdit()}.) It is passed to the text
|
|
edit's QMimeSourceFactory when quering data.
|
|
|
|
Note that the undo/redo history is cleared by this function.
|
|
|
|
\sa text(), setTextFormat()
|
|
*/
|
|
|
|
void QTextEdit::setText( const QString &text, const QString &context )
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode ) {
|
|
optimSetText( text );
|
|
return;
|
|
}
|
|
#endif
|
|
resetInputContext();
|
|
if ( !isModified() && isReadOnly() &&
|
|
this->context() == context && this->text() == text )
|
|
return;
|
|
|
|
emit undoAvailable( FALSE );
|
|
emit redoAvailable( FALSE );
|
|
undoRedoInfo.clear();
|
|
doc->commands()->clear();
|
|
|
|
lastFormatted = 0;
|
|
int oldCursorPos = cursor->index();
|
|
int oldCursorPar = cursor->paragraph()->paragId();
|
|
cursor->restoreState();
|
|
delete cursor;
|
|
doc->setText( text, context );
|
|
|
|
if ( wrapMode == FixedPixelWidth ) {
|
|
resizeContents( wrapWidth, 0 );
|
|
doc->setWidth( wrapWidth );
|
|
doc->setMinimumWidth( wrapWidth );
|
|
} else {
|
|
doc->setMinimumWidth( -1 );
|
|
resizeContents( 0, 0 );
|
|
}
|
|
|
|
lastFormatted = doc->firstParagraph();
|
|
cursor = new QTextCursor( doc );
|
|
updateContents();
|
|
|
|
if ( isModified() )
|
|
setModified( FALSE );
|
|
emit textChanged();
|
|
if ( cursor->index() != oldCursorPos || cursor->paragraph()->paragId() != oldCursorPar ) {
|
|
emit cursorPositionChanged( cursor );
|
|
emit cursorPositionChanged( cursor->paragraph()->paragId(), cursor->index() );
|
|
}
|
|
formatMore();
|
|
updateCurrentFormat();
|
|
d->scrollToAnchor = QString::null;
|
|
}
|
|
|
|
/*!
|
|
\property QTextEdit::text
|
|
\brief the text edit's text
|
|
|
|
There is no default text.
|
|
|
|
On setting, any previous text is deleted.
|
|
|
|
The text may be interpreted either as plain text or as rich text,
|
|
depending on the textFormat(). The default setting is \c AutoText,
|
|
i.e. the text edit auto-detects the format of the text.
|
|
|
|
For richtext, calling text() on an editable QTextEdit will cause
|
|
the text to be regenerated from the textedit. This may mean that
|
|
the QString returned may not be exactly the same as the one that
|
|
was set.
|
|
|
|
\sa textFormat
|
|
*/
|
|
|
|
|
|
/*!
|
|
\property QTextEdit::readOnly
|
|
\brief whether the text edit is read-only
|
|
|
|
In a read-only text edit the user can only navigate through the
|
|
text and select text; modifying the text is not possible.
|
|
|
|
This property's default is FALSE.
|
|
*/
|
|
|
|
/*!
|
|
Finds the next occurrence of the string, \a expr. Returns TRUE if
|
|
\a expr was found; otherwise returns FALSE.
|
|
|
|
If \a para and \a index are both 0 the search begins from the
|
|
current cursor position. If \a para and \a index are both not 0,
|
|
the search begins from the \a *index character position in the
|
|
\a *para paragraph.
|
|
|
|
If \a cs is TRUE the search is case sensitive, otherwise it is
|
|
case insensitive. If \a wo is TRUE the search looks for whole word
|
|
matches only; otherwise it searches for any matching text. If \a
|
|
forward is TRUE (the default) the search works forward from the
|
|
starting position to the end of the text, otherwise it works
|
|
backwards to the beginning of the text.
|
|
|
|
If \a expr is found the function returns TRUE. If \a index and \a
|
|
para are not 0, the number of the paragraph in which the first
|
|
character of the match was found is put into \a *para, and the
|
|
index position of that character within the paragraph is put into
|
|
\a *index.
|
|
|
|
If \a expr is not found the function returns FALSE. If \a index
|
|
and \a para are not 0 and \a expr is not found, \a *index
|
|
and \a *para are undefined.
|
|
|
|
Please note that this function will make the next occurrence of
|
|
the string (if found) the current selection, and will thus
|
|
modify the cursor position.
|
|
|
|
Using the \a para and \a index parameters will not work correctly
|
|
in case the document contains tables.
|
|
*/
|
|
|
|
bool QTextEdit::find( const QString &expr, bool cs, bool wo, bool forward,
|
|
int *para, int *index )
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode )
|
|
return optimFind( expr, cs, wo, forward, para, index );
|
|
#endif
|
|
drawCursor( FALSE );
|
|
#ifndef QT_NO_CURSOR
|
|
viewport()->setCursor( isReadOnly() ? arrowCursor : ibeamCursor );
|
|
#endif
|
|
QTextCursor findcur = *cursor;
|
|
if ( para && index ) {
|
|
if ( doc->paragAt( *para ) )
|
|
findcur.gotoPosition( doc->paragAt(*para), *index );
|
|
else
|
|
findcur.gotoEnd();
|
|
} else if ( doc->hasSelection( QTextDocument::Standard ) ){
|
|
// maks sure we do not find the same selection again
|
|
if ( forward )
|
|
findcur.gotoNextLetter();
|
|
else
|
|
findcur.gotoPreviousLetter();
|
|
} else if (!forward && findcur.index() == 0 && findcur.paragraph() == findcur.topParagraph()) {
|
|
findcur.gotoEnd();
|
|
}
|
|
removeSelection( QTextDocument::Standard );
|
|
bool found = doc->find( findcur, expr, cs, wo, forward );
|
|
if ( found ) {
|
|
if ( para )
|
|
*para = findcur.paragraph()->paragId();
|
|
if ( index )
|
|
*index = findcur.index();
|
|
*cursor = findcur;
|
|
repaintChanged();
|
|
ensureCursorVisible();
|
|
}
|
|
drawCursor( TRUE );
|
|
if (found) {
|
|
emit cursorPositionChanged( cursor );
|
|
emit cursorPositionChanged( cursor->paragraph()->paragId(), cursor->index() );
|
|
}
|
|
return found;
|
|
}
|
|
|
|
void QTextEdit::blinkCursor()
|
|
{
|
|
if ( !cursorVisible )
|
|
return;
|
|
bool cv = cursorVisible;
|
|
blinkCursorVisible = !blinkCursorVisible;
|
|
drawCursor( blinkCursorVisible );
|
|
cursorVisible = cv;
|
|
}
|
|
|
|
/*!
|
|
Sets the cursor to position \a index in paragraph \a para.
|
|
|
|
\sa getCursorPosition()
|
|
*/
|
|
|
|
void QTextEdit::setCursorPosition( int para, int index )
|
|
{
|
|
QTextParagraph *p = doc->paragAt( para );
|
|
if ( !p )
|
|
return;
|
|
|
|
resetInputContext();
|
|
if ( index > p->length() - 1 )
|
|
index = p->length() - 1;
|
|
|
|
drawCursor( FALSE );
|
|
cursor->setParagraph( p );
|
|
cursor->setIndex( index );
|
|
ensureCursorVisible();
|
|
drawCursor( TRUE );
|
|
updateCurrentFormat();
|
|
emit cursorPositionChanged( cursor );
|
|
emit cursorPositionChanged( cursor->paragraph()->paragId(), cursor->index() );
|
|
}
|
|
|
|
/*!
|
|
This function sets the \a *para and \a *index parameters to the
|
|
current cursor position. \a para and \a index must not be 0.
|
|
|
|
\sa setCursorPosition()
|
|
*/
|
|
|
|
void QTextEdit::getCursorPosition( int *para, int *index ) const
|
|
{
|
|
if ( !para || !index )
|
|
return;
|
|
*para = cursor->paragraph()->paragId();
|
|
*index = cursor->index();
|
|
}
|
|
|
|
/*!
|
|
Sets a selection which starts at position \a indexFrom in
|
|
paragraph \a paraFrom and ends at position \a indexTo in paragraph
|
|
\a paraTo.
|
|
|
|
Any existing selections which have a different id (\a selNum) are
|
|
left alone, but if an existing selection has the same id as \a
|
|
selNum it is removed and replaced by this selection.
|
|
|
|
Uses the selection settings of selection \a selNum. If \a selNum
|
|
is 0, this is the default selection.
|
|
|
|
The cursor is moved to the end of the selection if \a selNum is 0,
|
|
otherwise the cursor position remains unchanged.
|
|
|
|
\sa getSelection() selectedText
|
|
*/
|
|
|
|
void QTextEdit::setSelection( int paraFrom, int indexFrom,
|
|
int paraTo, int indexTo, int selNum )
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if (d->optimMode) {
|
|
optimSetSelection(paraFrom, indexFrom, paraTo, indexTo);
|
|
repaintContents(FALSE);
|
|
return;
|
|
}
|
|
#endif
|
|
resetInputContext();
|
|
if ( doc->hasSelection( selNum ) ) {
|
|
doc->removeSelection( selNum );
|
|
repaintChanged();
|
|
}
|
|
if ( selNum > doc->numSelections() - 1 )
|
|
doc->addSelection( selNum );
|
|
QTextParagraph *p1 = doc->paragAt( paraFrom );
|
|
if ( !p1 )
|
|
return;
|
|
QTextParagraph *p2 = doc->paragAt( paraTo );
|
|
if ( !p2 )
|
|
return;
|
|
|
|
if ( indexFrom > p1->length() - 1 )
|
|
indexFrom = p1->length() - 1;
|
|
if ( indexTo > p2->length() - 1 )
|
|
indexTo = p2->length() - 1;
|
|
|
|
drawCursor( FALSE );
|
|
QTextCursor c = *cursor;
|
|
QTextCursor oldCursor = *cursor;
|
|
c.setParagraph( p1 );
|
|
c.setIndex( indexFrom );
|
|
cursor->setParagraph( p2 );
|
|
cursor->setIndex( indexTo );
|
|
doc->setSelectionStart( selNum, c );
|
|
doc->setSelectionEnd( selNum, *cursor );
|
|
repaintChanged();
|
|
ensureCursorVisible();
|
|
if ( selNum != QTextDocument::Standard )
|
|
*cursor = oldCursor;
|
|
drawCursor( TRUE );
|
|
}
|
|
|
|
/*!
|
|
If there is a selection, \a *paraFrom is set to the number of the
|
|
paragraph in which the selection begins and \a *paraTo is set to
|
|
the number of the paragraph in which the selection ends. (They
|
|
could be the same.) \a *indexFrom is set to the index at which the
|
|
selection begins within \a *paraFrom, and \a *indexTo is set to
|
|
the index at which the selection ends within \a *paraTo.
|
|
|
|
If there is no selection, \a *paraFrom, \a *indexFrom, \a *paraTo
|
|
and \a *indexTo are all set to -1.
|
|
|
|
If \a paraFrom, \a indexFrom, \a paraTo or \a indexTo is 0 this
|
|
function does nothing.
|
|
|
|
The \a selNum is the number of the selection (multiple selections
|
|
are supported). It defaults to 0 (the default selection).
|
|
|
|
\sa setSelection() selectedText
|
|
*/
|
|
|
|
void QTextEdit::getSelection( int *paraFrom, int *indexFrom,
|
|
int *paraTo, int *indexTo, int selNum ) const
|
|
{
|
|
if ( !paraFrom || !paraTo || !indexFrom || !indexTo )
|
|
return;
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if (d->optimMode) {
|
|
*paraFrom = d->od->selStart.line;
|
|
*paraTo = d->od->selEnd.line;
|
|
*indexFrom = d->od->selStart.index;
|
|
*indexTo = d->od->selEnd.index;
|
|
return;
|
|
}
|
|
#endif
|
|
if ( !doc->hasSelection( selNum ) ) {
|
|
*paraFrom = -1;
|
|
*indexFrom = -1;
|
|
*paraTo = -1;
|
|
*indexTo = -1;
|
|
return;
|
|
}
|
|
|
|
doc->selectionStart( selNum, *paraFrom, *indexFrom );
|
|
doc->selectionEnd( selNum, *paraTo, *indexTo );
|
|
}
|
|
|
|
/*!
|
|
\property QTextEdit::textFormat
|
|
\brief the text format: rich text, plain text, log text or auto text.
|
|
|
|
The text format is one of the following:
|
|
\list
|
|
\i PlainText - all characters, except newlines, are displayed
|
|
verbatim, including spaces. Whenever a newline appears in the text
|
|
the text edit inserts a hard line break and begins a new
|
|
paragraph.
|
|
\i RichText - rich text rendering. The available styles are
|
|
defined in the default stylesheet QStyleSheet::defaultSheet().
|
|
\i LogText - optimized mode for very large texts. Supports a very
|
|
limited set of formatting tags (color, bold, underline and italic
|
|
settings).
|
|
\i AutoText - this is the default. The text edit autodetects which
|
|
rendering style is best, \c PlainText or \c RichText. This is done
|
|
by using the QStyleSheet::mightBeRichText() function.
|
|
\endlist
|
|
*/
|
|
|
|
void QTextEdit::setTextFormat( TextFormat format )
|
|
{
|
|
doc->setTextFormat( format );
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
checkOptimMode();
|
|
#endif
|
|
}
|
|
|
|
Qt::TextFormat QTextEdit::textFormat() const
|
|
{
|
|
return doc->textFormat();
|
|
}
|
|
|
|
/*!
|
|
Returns the number of paragraphs in the text; an empty textedit is always
|
|
considered to have one paragraph, so 1 is returned in this case.
|
|
*/
|
|
|
|
int QTextEdit::paragraphs() const
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode ) {
|
|
return d->od->numLines;
|
|
}
|
|
#endif
|
|
return doc->lastParagraph()->paragId() + 1;
|
|
}
|
|
|
|
/*!
|
|
Returns the number of lines in paragraph \a para, or -1 if there
|
|
is no paragraph with index \a para.
|
|
*/
|
|
|
|
int QTextEdit::linesOfParagraph( int para ) const
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode ) {
|
|
if ( d->od->numLines >= para )
|
|
return 1;
|
|
else
|
|
return -1;
|
|
}
|
|
#endif
|
|
QTextParagraph *p = doc->paragAt( para );
|
|
if ( !p )
|
|
return -1;
|
|
return p->lines();
|
|
}
|
|
|
|
/*!
|
|
Returns the length of the paragraph \a para (i.e. the number of
|
|
characters), or -1 if there is no paragraph with index \a para.
|
|
|
|
This function ignores newlines.
|
|
*/
|
|
|
|
int QTextEdit::paragraphLength( int para ) const
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode ) {
|
|
if ( d->od->numLines >= para ) {
|
|
if ( d->od->lines[ LOGOFFSET(para) ].isEmpty() ) // CR
|
|
return 1;
|
|
else
|
|
return d->od->lines[ LOGOFFSET(para) ].length();
|
|
}
|
|
return -1;
|
|
}
|
|
#endif
|
|
QTextParagraph *p = doc->paragAt( para );
|
|
if ( !p )
|
|
return -1;
|
|
return p->length() - 1;
|
|
}
|
|
|
|
/*!
|
|
Returns the number of lines in the text edit; this could be 0.
|
|
|
|
\warning This function may be slow. Lines change all the time
|
|
during word wrapping, so this function has to iterate over all the
|
|
paragraphs and get the number of lines from each one individually.
|
|
*/
|
|
|
|
int QTextEdit::lines() const
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode ) {
|
|
return d->od->numLines;
|
|
}
|
|
#endif
|
|
QTextParagraph *p = doc->firstParagraph();
|
|
int l = 0;
|
|
while ( p ) {
|
|
l += p->lines();
|
|
p = p->next();
|
|
}
|
|
|
|
return l;
|
|
}
|
|
|
|
/*!
|
|
Returns the line number of the line in paragraph \a para in which
|
|
the character at position \a index appears. The \a index position is
|
|
relative to the beginning of the paragraph. If there is no such
|
|
paragraph or no such character at the \a index position (e.g. the
|
|
index is out of range) -1 is returned.
|
|
*/
|
|
|
|
int QTextEdit::lineOfChar( int para, int index )
|
|
{
|
|
QTextParagraph *p = doc->paragAt( para );
|
|
if ( !p )
|
|
return -1;
|
|
|
|
int idx, line;
|
|
QTextStringChar *c = p->lineStartOfChar( index, &idx, &line );
|
|
if ( !c )
|
|
return -1;
|
|
|
|
return line;
|
|
}
|
|
|
|
void QTextEdit::setModified( bool m )
|
|
{
|
|
bool oldModified = modified;
|
|
modified = m;
|
|
if ( modified && doc->oTextValid )
|
|
doc->invalidateOriginalText();
|
|
if ( oldModified != modified )
|
|
emit modificationChanged( modified );
|
|
}
|
|
|
|
/*!
|
|
\property QTextEdit::modified
|
|
\brief whether the document has been modified by the user
|
|
*/
|
|
|
|
bool QTextEdit::isModified() const
|
|
{
|
|
return modified;
|
|
}
|
|
|
|
void QTextEdit::setModified()
|
|
{
|
|
if ( !isModified() )
|
|
setModified( TRUE );
|
|
}
|
|
|
|
/*!
|
|
Returns TRUE if the current format is italic; otherwise returns FALSE.
|
|
|
|
\sa setItalic()
|
|
*/
|
|
|
|
bool QTextEdit::italic() const
|
|
{
|
|
return currentFormat->font().italic();
|
|
}
|
|
|
|
/*!
|
|
Returns TRUE if the current format is bold; otherwise returns FALSE.
|
|
|
|
\sa setBold()
|
|
*/
|
|
|
|
bool QTextEdit::bold() const
|
|
{
|
|
return currentFormat->font().bold();
|
|
}
|
|
|
|
/*!
|
|
Returns TRUE if the current format is underlined; otherwise returns
|
|
FALSE.
|
|
|
|
\sa setUnderline()
|
|
*/
|
|
|
|
bool QTextEdit::underline() const
|
|
{
|
|
return currentFormat->font().underline();
|
|
}
|
|
|
|
/*!
|
|
Returns the font family of the current format.
|
|
|
|
\sa setFamily() setCurrentFont() setPointSize()
|
|
*/
|
|
|
|
QString QTextEdit::family() const
|
|
{
|
|
return currentFormat->font().family();
|
|
}
|
|
|
|
/*!
|
|
Returns the point size of the font of the current format.
|
|
|
|
\sa setFamily() setCurrentFont() setPointSize()
|
|
*/
|
|
|
|
int QTextEdit::pointSize() const
|
|
{
|
|
return currentFormat->font().pointSize();
|
|
}
|
|
|
|
/*!
|
|
Returns the color of the current format.
|
|
|
|
\sa setColor() setPaper()
|
|
*/
|
|
|
|
QColor QTextEdit::color() const
|
|
{
|
|
return currentFormat->color();
|
|
}
|
|
|
|
/*!
|
|
\obsolete
|
|
|
|
Returns QScrollView::font()
|
|
|
|
\warning In previous versions this function returned the font of
|
|
the current format. This lead to confusion. Please use
|
|
currentFont() instead.
|
|
*/
|
|
|
|
QFont QTextEdit::font() const
|
|
{
|
|
return QScrollView::font();
|
|
}
|
|
|
|
/*!
|
|
Returns the font of the current format.
|
|
|
|
\sa setCurrentFont() setFamily() setPointSize()
|
|
*/
|
|
|
|
QFont QTextEdit::currentFont() const
|
|
{
|
|
return currentFormat->font();
|
|
}
|
|
|
|
|
|
/*!
|
|
Returns the alignment of the current paragraph.
|
|
|
|
\sa setAlignment()
|
|
*/
|
|
|
|
int QTextEdit::alignment() const
|
|
{
|
|
return currentAlignment;
|
|
}
|
|
|
|
void QTextEdit::startDrag()
|
|
{
|
|
#ifndef QT_NO_DRAGANDDROP
|
|
mousePressed = FALSE;
|
|
inDoubleClick = FALSE;
|
|
QDragObject *drag = dragObject( viewport() );
|
|
if ( !drag )
|
|
return;
|
|
if ( isReadOnly() ) {
|
|
drag->dragCopy();
|
|
} else {
|
|
if ( drag->drag() && QDragObject::target() != this && QDragObject::target() != viewport() )
|
|
removeSelectedText();
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/*!
|
|
If \a select is TRUE (the default), all the text is selected as
|
|
selection 0. If \a select is FALSE any selected text is
|
|
unselected, i.e. the default selection (selection 0) is cleared.
|
|
|
|
\sa selectedText
|
|
*/
|
|
|
|
void QTextEdit::selectAll( bool select )
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode ) {
|
|
if ( select )
|
|
optimSelectAll();
|
|
else
|
|
optimRemoveSelection();
|
|
return;
|
|
}
|
|
#endif
|
|
if ( !select )
|
|
doc->removeSelection( QTextDocument::Standard );
|
|
else
|
|
doc->selectAll( QTextDocument::Standard );
|
|
repaintChanged();
|
|
emit copyAvailable( doc->hasSelection( QTextDocument::Standard ) );
|
|
emit selectionChanged();
|
|
#ifndef QT_NO_CURSOR
|
|
viewport()->setCursor( isReadOnly() ? arrowCursor : ibeamCursor );
|
|
#endif
|
|
}
|
|
|
|
void QTextEdit::UndoRedoInfo::clear()
|
|
{
|
|
if ( valid() ) {
|
|
if ( type == Insert || type == Return )
|
|
doc->addCommand( new QTextInsertCommand( doc, id, index, d->text.rawData(), styleInformation ) );
|
|
else if ( type == Format )
|
|
doc->addCommand( new QTextFormatCommand( doc, id, index, eid, eindex, d->text.rawData(), format, flags ) );
|
|
else if ( type == Style )
|
|
doc->addCommand( new QTextStyleCommand( doc, id, eid, styleInformation ) );
|
|
else if ( type != Invalid ) {
|
|
doc->addCommand( new QTextDeleteCommand( doc, id, index, d->text.rawData(), styleInformation ) );
|
|
}
|
|
}
|
|
type = Invalid;
|
|
d->text = QString::null;
|
|
id = -1;
|
|
index = -1;
|
|
styleInformation = QByteArray();
|
|
}
|
|
|
|
|
|
/*!
|
|
If there is some selected text (in selection 0) it is deleted. If
|
|
there is no selected text (in selection 0) the character to the
|
|
right of the text cursor is deleted.
|
|
|
|
\sa removeSelectedText() cut()
|
|
*/
|
|
|
|
void QTextEdit::del()
|
|
{
|
|
if ( doc->hasSelection( QTextDocument::Standard ) ) {
|
|
removeSelectedText();
|
|
return;
|
|
}
|
|
|
|
doKeyboardAction( ActionDelete );
|
|
}
|
|
|
|
|
|
QTextEdit::UndoRedoInfo::UndoRedoInfo( QTextDocument *dc )
|
|
: type( Invalid ), doc( dc )
|
|
{
|
|
d = new QUndoRedoInfoPrivate;
|
|
d->text = QString::null;
|
|
id = -1;
|
|
index = -1;
|
|
}
|
|
|
|
QTextEdit::UndoRedoInfo::~UndoRedoInfo()
|
|
{
|
|
delete d;
|
|
}
|
|
|
|
bool QTextEdit::UndoRedoInfo::valid() const
|
|
{
|
|
return id >= 0 && type != Invalid;
|
|
}
|
|
|
|
/*!
|
|
\internal
|
|
|
|
Resets the current format to the default format.
|
|
*/
|
|
|
|
void QTextEdit::resetFormat()
|
|
{
|
|
setAlignment( Qt::AlignAuto );
|
|
setParagType( QStyleSheetItem::DisplayBlock, QStyleSheetItem::ListDisc );
|
|
setFormat( doc->formatCollection()->defaultFormat(), QTextFormat::Format );
|
|
}
|
|
|
|
/*!
|
|
Returns the QStyleSheet which is being used by this text edit.
|
|
|
|
\sa setStyleSheet()
|
|
*/
|
|
|
|
QStyleSheet* QTextEdit::styleSheet() const
|
|
{
|
|
return doc->styleSheet();
|
|
}
|
|
|
|
/*!
|
|
Sets the stylesheet to use with this text edit to \a styleSheet.
|
|
Changes will only take effect for new text added with setText() or
|
|
append().
|
|
|
|
\sa styleSheet()
|
|
*/
|
|
|
|
void QTextEdit::setStyleSheet( QStyleSheet* styleSheet )
|
|
{
|
|
doc->setStyleSheet( styleSheet );
|
|
}
|
|
|
|
/*!
|
|
\property QTextEdit::paper
|
|
\brief the background (paper) brush.
|
|
|
|
The brush that is currently used to draw the background of the
|
|
text edit. The initial setting is an empty brush.
|
|
*/
|
|
|
|
void QTextEdit::setPaper( const QBrush& pap )
|
|
{
|
|
doc->setPaper( new QBrush( pap ) );
|
|
|
|
if ( pap.pixmap() ) {
|
|
viewport()->setBackgroundPixmap( *pap.pixmap() );
|
|
} else {
|
|
setPaletteBackgroundColor( pap.color() );
|
|
viewport()->setPaletteBackgroundColor( pap.color() );
|
|
}
|
|
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
// force a repaint of the entire viewport - using updateContents()
|
|
// would clip the coords to the content size
|
|
if (d->optimMode)
|
|
repaintContents(contentsX(), contentsY(), viewport()->width(), viewport()->height());
|
|
else
|
|
#endif
|
|
updateContents();
|
|
}
|
|
|
|
QBrush QTextEdit::paper() const
|
|
{
|
|
if ( doc->paper() )
|
|
return *doc->paper();
|
|
return QBrush( colorGroup().base() );
|
|
}
|
|
|
|
/*!
|
|
\property QTextEdit::linkUnderline
|
|
\brief whether hypertext links will be underlined
|
|
|
|
If TRUE (the default) hypertext links will be displayed
|
|
underlined. If FALSE links will not be displayed underlined.
|
|
*/
|
|
|
|
void QTextEdit::setLinkUnderline( bool b )
|
|
{
|
|
if ( doc->underlineLinks() == b )
|
|
return;
|
|
doc->setUnderlineLinks( b );
|
|
repaintChanged();
|
|
}
|
|
|
|
bool QTextEdit::linkUnderline() const
|
|
{
|
|
return doc->underlineLinks();
|
|
}
|
|
|
|
/*!
|
|
Sets the text edit's mimesource factory to \a factory. See
|
|
QMimeSourceFactory for further details.
|
|
|
|
\sa mimeSourceFactory()
|
|
*/
|
|
|
|
#ifndef QT_NO_MIME
|
|
void QTextEdit::setMimeSourceFactory( QMimeSourceFactory* factory )
|
|
{
|
|
doc->setMimeSourceFactory( factory );
|
|
}
|
|
|
|
/*!
|
|
Returns the QMimeSourceFactory which is being used by this text
|
|
edit.
|
|
|
|
\sa setMimeSourceFactory()
|
|
*/
|
|
|
|
QMimeSourceFactory* QTextEdit::mimeSourceFactory() const
|
|
{
|
|
return doc->mimeSourceFactory();
|
|
}
|
|
#endif
|
|
|
|
/*!
|
|
Returns how many pixels high the text edit needs to be to display
|
|
all the text if the text edit is \a w pixels wide.
|
|
*/
|
|
|
|
int QTextEdit::heightForWidth( int w ) const
|
|
{
|
|
int oldw = doc->width();
|
|
doc->doLayout( 0, w );
|
|
int h = doc->height();
|
|
doc->setWidth( oldw );
|
|
doc->invalidate();
|
|
( (QTextEdit*)this )->formatMore();
|
|
return h;
|
|
}
|
|
|
|
/*!
|
|
Appends a new paragraph with \a text to the end of the text edit. Note that
|
|
the undo/redo history is cleared by this function, and no undo
|
|
history is kept for appends which makes them faster than
|
|
insert()s. If you want to append text which is added to the
|
|
undo/redo history as well, use insertParagraph().
|
|
*/
|
|
|
|
void QTextEdit::append( const QString &text )
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode ) {
|
|
optimAppend( text );
|
|
return;
|
|
}
|
|
#endif
|
|
// flush and clear the undo/redo stack if necessary
|
|
undoRedoInfo.clear();
|
|
doc->commands()->clear();
|
|
|
|
doc->removeSelection( QTextDocument::Standard );
|
|
TextFormat f = doc->textFormat();
|
|
if ( f == AutoText ) {
|
|
if ( QStyleSheet::mightBeRichText( text ) )
|
|
f = RichText;
|
|
else
|
|
f = PlainText;
|
|
}
|
|
|
|
drawCursor( FALSE );
|
|
QTextCursor oldc( *cursor );
|
|
ensureFormatted( doc->lastParagraph() );
|
|
bool atBottom = contentsY() >= contentsHeight() - visibleHeight();
|
|
cursor->gotoEnd();
|
|
if ( cursor->index() > 0 )
|
|
cursor->splitAndInsertEmptyParagraph();
|
|
QTextCursor oldCursor2 = *cursor;
|
|
|
|
if ( f == Qt::PlainText ) {
|
|
cursor->insert( text, TRUE );
|
|
if ( doc->useFormatCollection() && !doc->preProcessor() &&
|
|
currentFormat != cursor->paragraph()->at( cursor->index() )->format() ) {
|
|
doc->setSelectionStart( QTextDocument::Temp, oldCursor2 );
|
|
doc->setSelectionEnd( QTextDocument::Temp, *cursor );
|
|
doc->setFormat( QTextDocument::Temp, currentFormat, QTextFormat::Format );
|
|
doc->removeSelection( QTextDocument::Temp );
|
|
}
|
|
} else {
|
|
cursor->paragraph()->setListItem( FALSE );
|
|
cursor->paragraph()->setListDepth( 0 );
|
|
if ( cursor->paragraph()->prev() )
|
|
cursor->paragraph()->prev()->invalidate(0); // vertical margins might have to change
|
|
doc->setRichTextInternal( text );
|
|
}
|
|
formatMore();
|
|
repaintChanged();
|
|
if ( atBottom )
|
|
scrollToBottom();
|
|
*cursor = oldc;
|
|
if ( !isReadOnly() )
|
|
cursorVisible = TRUE;
|
|
setModified();
|
|
emit textChanged();
|
|
}
|
|
|
|
/*!
|
|
\property QTextEdit::hasSelectedText
|
|
\brief whether some text is selected in selection 0
|
|
*/
|
|
|
|
bool QTextEdit::hasSelectedText() const
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode )
|
|
return optimHasSelection();
|
|
else
|
|
#endif
|
|
return doc->hasSelection( QTextDocument::Standard );
|
|
}
|
|
|
|
/*!
|
|
\property QTextEdit::selectedText
|
|
\brief The selected text (from selection 0) or an empty string if
|
|
there is no currently selected text (in selection 0).
|
|
|
|
The text is always returned as \c PlainText if the textFormat() is
|
|
\c PlainText or \c AutoText, otherwise it is returned as HTML.
|
|
|
|
\sa hasSelectedText
|
|
*/
|
|
|
|
QString QTextEdit::selectedText() const
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode )
|
|
return optimSelectedText();
|
|
else
|
|
#endif
|
|
return doc->selectedText( QTextDocument::Standard, textFormat() == RichText );
|
|
}
|
|
|
|
bool QTextEdit::handleReadOnlyKeyEvent( QKeyEvent *e )
|
|
{
|
|
switch( e->key() ) {
|
|
case Key_Down:
|
|
setContentsPos( contentsX(), contentsY() + 10 );
|
|
break;
|
|
case Key_Up:
|
|
setContentsPos( contentsX(), contentsY() - 10 );
|
|
break;
|
|
case Key_Left:
|
|
setContentsPos( contentsX() - 10, contentsY() );
|
|
break;
|
|
case Key_Right:
|
|
setContentsPos( contentsX() + 10, contentsY() );
|
|
break;
|
|
case Key_PageUp:
|
|
setContentsPos( contentsX(), contentsY() - visibleHeight() );
|
|
break;
|
|
case Key_PageDown:
|
|
setContentsPos( contentsX(), contentsY() + visibleHeight() );
|
|
break;
|
|
case Key_Home:
|
|
setContentsPos( contentsX(), 0 );
|
|
break;
|
|
case Key_End:
|
|
setContentsPos( contentsX(), contentsHeight() - visibleHeight() );
|
|
break;
|
|
case Key_F16: // Copy key on Sun keyboards
|
|
copy();
|
|
break;
|
|
#ifndef QT_NO_NETWORKPROTOCOL
|
|
case Key_Return:
|
|
case Key_Enter:
|
|
case Key_Space: {
|
|
if (!doc->focusIndicator.href.isEmpty()
|
|
|| !doc->focusIndicator.name.isEmpty()) {
|
|
if (!doc->focusIndicator.href.isEmpty()) {
|
|
QUrl u( doc->context(), doc->focusIndicator.href, TRUE );
|
|
emitLinkClicked( u.toString( FALSE, FALSE ) );
|
|
}
|
|
if (!doc->focusIndicator.name.isEmpty()) {
|
|
if (::qt_cast<QTextBrowser*>(this)) { // change for 4.0
|
|
QConnectionList *clist = receivers(
|
|
"anchorClicked(const QString&,const QString&)");
|
|
if (!signalsBlocked() && clist) {
|
|
QUObject o[3];
|
|
static_QUType_QString.set(o+1,
|
|
doc->focusIndicator.name);
|
|
static_QUType_QString.set(o+2,
|
|
doc->focusIndicator.href);
|
|
activate_signal( clist, o);
|
|
}
|
|
}
|
|
}
|
|
#ifndef QT_NO_CURSOR
|
|
viewport()->setCursor( isReadOnly() ? arrowCursor : ibeamCursor );
|
|
#endif
|
|
}
|
|
} break;
|
|
#endif
|
|
default:
|
|
if ( e->state() & ControlButton ) {
|
|
switch ( e->key() ) {
|
|
case Key_C: case Key_F16: // Copy key on Sun keyboards
|
|
copy();
|
|
break;
|
|
#ifdef Q_WS_WIN
|
|
case Key_Insert:
|
|
copy();
|
|
break;
|
|
case Key_A:
|
|
selectAll();
|
|
break;
|
|
#endif
|
|
}
|
|
|
|
}
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
/*!
|
|
Returns the context of the text edit. The context is a path which
|
|
the text edit's QMimeSourceFactory uses to resolve the locations
|
|
of files and images.
|
|
|
|
\sa text
|
|
*/
|
|
|
|
QString QTextEdit::context() const
|
|
{
|
|
return doc->context();
|
|
}
|
|
|
|
/*!
|
|
\property QTextEdit::documentTitle
|
|
\brief the title of the document parsed from the text.
|
|
|
|
For \c PlainText the title will be an empty string. For \c
|
|
RichText the title will be the text between the \c{<title>} tags,
|
|
if present, otherwise an empty string.
|
|
*/
|
|
|
|
QString QTextEdit::documentTitle() const
|
|
{
|
|
return doc->attributes()[ "title" ];
|
|
}
|
|
|
|
void QTextEdit::makeParagVisible( QTextParagraph *p )
|
|
{
|
|
setContentsPos( contentsX(), QMIN( p->rect().y(), contentsHeight() - visibleHeight() ) );
|
|
}
|
|
|
|
/*!
|
|
Scrolls the text edit to make the text at the anchor called \a
|
|
name visible, if it can be found in the document. If the anchor
|
|
isn't found no scrolling will occur. An anchor is defined using
|
|
the HTML anchor tag, e.g. \c{<a name="target">}.
|
|
*/
|
|
|
|
void QTextEdit::scrollToAnchor( const QString& name )
|
|
{
|
|
if ( !isVisible() ) {
|
|
d->scrollToAnchor = name;
|
|
return;
|
|
}
|
|
if ( name.isEmpty() )
|
|
return;
|
|
sync();
|
|
QTextCursor cursor( doc );
|
|
QTextParagraph* last = doc->lastParagraph();
|
|
for (;;) {
|
|
QTextStringChar* c = cursor.paragraph()->at( cursor.index() );
|
|
if( c->isAnchor() ) {
|
|
QString a = c->anchorName();
|
|
if ( a == name ||
|
|
(a.contains( '#' ) && QStringList::split( '#', a ).contains( name ) ) ) {
|
|
setContentsPos( contentsX(), QMIN( cursor.paragraph()->rect().top() + cursor.totalOffsetY(), contentsHeight() - visibleHeight() ) );
|
|
break;
|
|
}
|
|
}
|
|
if ( cursor.paragraph() == last && cursor.atParagEnd() )
|
|
break;
|
|
cursor.gotoNextLetter();
|
|
}
|
|
}
|
|
|
|
#if (QT_VERSION-0 >= 0x040000)
|
|
#error "function anchorAt(const QPoint& pos) should be merged into function anchorAt(const QPoint& pos, AnchorAttribute attr)"
|
|
#endif
|
|
|
|
/*!
|
|
\overload
|
|
|
|
If there is an anchor at position \a pos (in contents
|
|
coordinates), its \c href is returned, otherwise QString::null is
|
|
returned.
|
|
*/
|
|
|
|
QString QTextEdit::anchorAt( const QPoint& pos )
|
|
{
|
|
return anchorAt(pos, AnchorHref);
|
|
}
|
|
|
|
/*!
|
|
If there is an anchor at position \a pos (in contents
|
|
coordinates), the text for attribute \a attr is returned,
|
|
otherwise QString::null is returned.
|
|
*/
|
|
|
|
QString QTextEdit::anchorAt( const QPoint& pos, AnchorAttribute attr )
|
|
{
|
|
QTextCursor c( doc );
|
|
placeCursor( pos, &c );
|
|
switch(attr) {
|
|
case AnchorName:
|
|
return c.paragraph()->at( c.index() )->anchorName();
|
|
case AnchorHref:
|
|
return c.paragraph()->at( c.index() )->anchorHref();
|
|
}
|
|
// incase the compiler is really dumb about determining if a function
|
|
// returns something :)
|
|
return QString::null;
|
|
}
|
|
|
|
void QTextEdit::documentWidthChanged( int w )
|
|
{
|
|
resizeContents( QMAX( visibleWidth(), w), contentsHeight() );
|
|
}
|
|
|
|
/*! \internal
|
|
|
|
This function does nothing
|
|
*/
|
|
|
|
void QTextEdit::updateStyles()
|
|
{
|
|
}
|
|
|
|
void QTextEdit::setDocument( QTextDocument *dc )
|
|
{
|
|
if ( dc == 0 ) {
|
|
qWarning( "Q3TextEdit::setDocument() called with null Q3TextDocument pointer" );
|
|
return;
|
|
}
|
|
if ( dc == doc )
|
|
return;
|
|
resetInputContext();
|
|
doc = dc;
|
|
delete cursor;
|
|
cursor = new QTextCursor( doc );
|
|
clearUndoRedo();
|
|
undoRedoInfo.doc = doc;
|
|
lastFormatted = 0;
|
|
}
|
|
|
|
#ifndef QT_NO_CLIPBOARD
|
|
|
|
/*!
|
|
Pastes the text with format \a subtype from the clipboard into the
|
|
text edit at the current cursor position. The \a subtype can be
|
|
"plain" or "html".
|
|
|
|
If there is no text with format \a subtype in the clipboard
|
|
nothing happens.
|
|
|
|
\sa paste() cut() QTextEdit::copy()
|
|
*/
|
|
|
|
void QTextEdit::pasteSubType( const QCString &subtype )
|
|
{
|
|
#ifndef QT_NO_MIMECLIPBOARD
|
|
QMimeSource *m = QApplication::clipboard()->data( d->clipboard_mode );
|
|
pasteSubType( subtype, m );
|
|
#endif
|
|
}
|
|
|
|
/*! \internal */
|
|
|
|
void QTextEdit::pasteSubType( const QCString& subtype, QMimeSource *m )
|
|
{
|
|
#ifndef QT_NO_MIME
|
|
QCString st = subtype;
|
|
if ( subtype != "x-qrichtext" )
|
|
st.prepend( "text/" );
|
|
else
|
|
st.prepend( "application/" );
|
|
if ( !m )
|
|
return;
|
|
if ( doc->hasSelection( QTextDocument::Standard ) )
|
|
removeSelectedText();
|
|
if ( !QRichTextDrag::canDecode( m ) )
|
|
return;
|
|
QString t;
|
|
if ( !QRichTextDrag::decode( m, t, st.data(), subtype ) )
|
|
return;
|
|
if ( st == "application/x-qrichtext" ) {
|
|
int start;
|
|
if ( (start = t.find( "<!--StartFragment-->" )) != -1 ) {
|
|
start += 20;
|
|
int end = t.find( "<!--EndFragment-->" );
|
|
QTextCursor oldC = *cursor;
|
|
|
|
// during the setRichTextInternal() call the cursors
|
|
// paragraph might get joined with the provious one, so
|
|
// the cursors one would get deleted and oldC.paragraph()
|
|
// would be a dnagling pointer. To avoid that try to go
|
|
// one letter back and later go one forward again.
|
|
oldC.gotoPreviousLetter();
|
|
bool couldGoBack = oldC != *cursor;
|
|
// first para might get deleted, so remember to reset it
|
|
bool wasAtFirst = oldC.paragraph() == doc->firstParagraph();
|
|
|
|
if ( start < end )
|
|
t = t.mid( start, end - start );
|
|
else
|
|
t = t.mid( start );
|
|
lastFormatted = cursor->paragraph();
|
|
if ( lastFormatted->prev() )
|
|
lastFormatted = lastFormatted->prev();
|
|
doc->setRichTextInternal( t, cursor );
|
|
|
|
// the first para might have been deleted in
|
|
// setRichTextInternal(). To be sure, reset it if
|
|
// necessary.
|
|
if ( wasAtFirst ) {
|
|
int index = oldC.index();
|
|
oldC.setParagraph( doc->firstParagraph() );
|
|
oldC.setIndex( index );
|
|
}
|
|
|
|
// if we went back one letter before (see last comment),
|
|
// go one forward to point to the right position
|
|
if ( couldGoBack )
|
|
oldC.gotoNextLetter();
|
|
|
|
if ( undoEnabled && !isReadOnly() ) {
|
|
doc->setSelectionStart( QTextDocument::Temp, oldC );
|
|
doc->setSelectionEnd( QTextDocument::Temp, *cursor );
|
|
|
|
checkUndoRedoInfo( UndoRedoInfo::Insert );
|
|
if ( !undoRedoInfo.valid() ) {
|
|
undoRedoInfo.id = oldC.paragraph()->paragId();
|
|
undoRedoInfo.index = oldC.index();
|
|
undoRedoInfo.d->text = QString::null;
|
|
}
|
|
int oldLen = undoRedoInfo.d->text.length();
|
|
if ( !doc->preProcessor() ) {
|
|
QString txt = doc->selectedText( QTextDocument::Temp );
|
|
undoRedoInfo.d->text += txt;
|
|
for ( int i = 0; i < (int)txt.length(); ++i ) {
|
|
if ( txt[ i ] != '\n' && oldC.paragraph()->at( oldC.index() )->format() ) {
|
|
oldC.paragraph()->at( oldC.index() )->format()->addRef();
|
|
undoRedoInfo.d->text.
|
|
setFormat( oldLen + i, oldC.paragraph()->at( oldC.index() )->format(), TRUE );
|
|
}
|
|
oldC.gotoNextLetter();
|
|
}
|
|
}
|
|
undoRedoInfo.clear();
|
|
removeSelection( QTextDocument::Temp );
|
|
}
|
|
|
|
formatMore();
|
|
setModified();
|
|
emit textChanged();
|
|
repaintChanged();
|
|
ensureCursorVisible();
|
|
return;
|
|
}
|
|
} else {
|
|
#if defined(Q_OS_WIN32)
|
|
// Need to convert CRLF to LF
|
|
t.replace( "\r\n", "\n" );
|
|
#elif defined(Q_OS_MAC)
|
|
//need to convert CR to LF
|
|
t.replace( '\r', '\n' );
|
|
#endif
|
|
QChar *uc = (QChar *)t.unicode();
|
|
for ( int i=0; (uint) i<t.length(); i++ ) {
|
|
if ( uc[ i ] < ' ' && uc[ i ] != '\n' && uc[ i ] != '\t' )
|
|
uc[ i ] = ' ';
|
|
}
|
|
if ( !t.isEmpty() )
|
|
insert( t, FALSE, TRUE );
|
|
}
|
|
#endif //QT_NO_MIME
|
|
}
|
|
|
|
#ifndef QT_NO_MIMECLIPBOARD
|
|
/*!
|
|
Prompts the user to choose a type from a list of text types
|
|
available, then copies text from the clipboard (if there is any)
|
|
into the text edit at the current text cursor position. Any
|
|
selected text (in selection 0) is first deleted.
|
|
*/
|
|
void QTextEdit::pasteSpecial( const QPoint& pt )
|
|
{
|
|
QCString st = pickSpecial( QApplication::clipboard()->data( d->clipboard_mode ),
|
|
TRUE, pt );
|
|
if ( !st.isEmpty() )
|
|
pasteSubType( st );
|
|
}
|
|
#endif
|
|
#ifndef QT_NO_MIME
|
|
QCString QTextEdit::pickSpecial( QMimeSource* ms, bool always_ask, const QPoint& pt )
|
|
{
|
|
if ( ms ) {
|
|
#ifndef QT_NO_POPUPMENU
|
|
QPopupMenu popup( this, "qt_pickspecial_menu" );
|
|
QString fmt;
|
|
int n = 0;
|
|
QDict<void> done;
|
|
for (int i = 0; !( fmt = ms->format( i ) ).isNull(); i++) {
|
|
int semi = fmt.find( ";" );
|
|
if ( semi >= 0 )
|
|
fmt = fmt.left( semi );
|
|
if ( fmt.left( 5 ) == "text/" ) {
|
|
fmt = fmt.mid( 5 );
|
|
if ( !done.find( fmt ) ) {
|
|
done.insert( fmt,(void*)1 );
|
|
popup.insertItem( fmt, i );
|
|
n++;
|
|
}
|
|
}
|
|
}
|
|
if ( n ) {
|
|
int i = n ==1 && !always_ask ? popup.idAt( 0 ) : popup.exec( pt );
|
|
if ( i >= 0 )
|
|
return popup.text(i).latin1();
|
|
}
|
|
#else
|
|
QString fmt;
|
|
for (int i = 0; !( fmt = ms->format( i ) ).isNull(); i++) {
|
|
int semi = fmt.find( ";" );
|
|
if ( semi >= 0 )
|
|
fmt = fmt.left( semi );
|
|
if ( fmt.left( 5 ) == "text/" ) {
|
|
fmt = fmt.mid( 5 );
|
|
return fmt.latin1();
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
return QCString();
|
|
}
|
|
#endif // QT_NO_MIME
|
|
#endif // QT_NO_CLIPBOARD
|
|
|
|
/*!
|
|
\enum QTextEdit::WordWrap
|
|
|
|
This enum defines the QTextEdit's word wrap modes.
|
|
|
|
\value NoWrap Do not wrap the text.
|
|
|
|
\value WidgetWidth Wrap the text at the current width of the
|
|
widget (this is the default). Wrapping is at whitespace by
|
|
default; this can be changed with setWrapPolicy().
|
|
|
|
\value FixedPixelWidth Wrap the text at a fixed number of pixels
|
|
from the widget's left side. The number of pixels is set with
|
|
wrapColumnOrWidth().
|
|
|
|
\value FixedColumnWidth Wrap the text at a fixed number of
|
|
character columns from the widget's left side. The number of
|
|
characters is set with wrapColumnOrWidth(). This is useful if you
|
|
need formatted text that can also be displayed gracefully on
|
|
devices with monospaced fonts, for example a standard VT100
|
|
terminal, where you might set wrapColumnOrWidth() to 80.
|
|
|
|
\sa setWordWrap() wordWrap()
|
|
*/
|
|
|
|
/*!
|
|
\property QTextEdit::wordWrap
|
|
\brief the word wrap mode
|
|
|
|
The default mode is \c WidgetWidth which causes words to be
|
|
wrapped at the right edge of the text edit. Wrapping occurs at
|
|
whitespace, keeping whole words intact. If you want wrapping to
|
|
occur within words use setWrapPolicy(). If you set a wrap mode of
|
|
\c FixedPixelWidth or \c FixedColumnWidth you should also call
|
|
setWrapColumnOrWidth() with the width you want.
|
|
|
|
\sa WordWrap, wrapColumnOrWidth, wrapPolicy,
|
|
*/
|
|
|
|
void QTextEdit::setWordWrap( WordWrap mode )
|
|
{
|
|
if ( wrapMode == mode )
|
|
return;
|
|
wrapMode = mode;
|
|
switch ( mode ) {
|
|
case NoWrap:
|
|
document()->formatter()->setWrapEnabled( FALSE );
|
|
document()->formatter()->setWrapAtColumn( -1 );
|
|
doc->setWidth( visibleWidth() );
|
|
doc->setMinimumWidth( -1 );
|
|
doc->invalidate();
|
|
updateContents();
|
|
lastFormatted = doc->firstParagraph();
|
|
interval = 0;
|
|
formatMore();
|
|
break;
|
|
case WidgetWidth:
|
|
document()->formatter()->setWrapEnabled( TRUE );
|
|
document()->formatter()->setWrapAtColumn( -1 );
|
|
doResize();
|
|
break;
|
|
case FixedPixelWidth:
|
|
document()->formatter()->setWrapEnabled( TRUE );
|
|
document()->formatter()->setWrapAtColumn( -1 );
|
|
if ( wrapWidth < 0 )
|
|
wrapWidth = 200;
|
|
setWrapColumnOrWidth( wrapWidth );
|
|
break;
|
|
case FixedColumnWidth:
|
|
if ( wrapWidth < 0 )
|
|
wrapWidth = 80;
|
|
document()->formatter()->setWrapEnabled( TRUE );
|
|
document()->formatter()->setWrapAtColumn( wrapWidth );
|
|
setWrapColumnOrWidth( wrapWidth );
|
|
break;
|
|
}
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
checkOptimMode();
|
|
#endif
|
|
}
|
|
|
|
QTextEdit::WordWrap QTextEdit::wordWrap() const
|
|
{
|
|
return wrapMode;
|
|
}
|
|
|
|
/*!
|
|
\property QTextEdit::wrapColumnOrWidth
|
|
\brief the position (in pixels or columns depending on the wrap mode) where text will be wrapped
|
|
|
|
If the wrap mode is \c FixedPixelWidth, the value is the number of
|
|
pixels from the left edge of the text edit at which text should be
|
|
wrapped. If the wrap mode is \c FixedColumnWidth, the value is the
|
|
column number (in character columns) from the left edge of the
|
|
text edit at which text should be wrapped.
|
|
|
|
\sa wordWrap
|
|
*/
|
|
void QTextEdit::setWrapColumnOrWidth( int value )
|
|
{
|
|
wrapWidth = value;
|
|
if ( wrapMode == FixedColumnWidth ) {
|
|
document()->formatter()->setWrapAtColumn( wrapWidth );
|
|
resizeContents( 0, 0 );
|
|
doc->setWidth( visibleWidth() );
|
|
doc->setMinimumWidth( -1 );
|
|
} else if (wrapMode == FixedPixelWidth ) {
|
|
document()->formatter()->setWrapAtColumn( -1 );
|
|
resizeContents( wrapWidth, 0 );
|
|
doc->setWidth( wrapWidth );
|
|
doc->setMinimumWidth( wrapWidth );
|
|
} else {
|
|
return;
|
|
}
|
|
doc->invalidate();
|
|
updateContents();
|
|
lastFormatted = doc->firstParagraph();
|
|
interval = 0;
|
|
formatMore();
|
|
}
|
|
|
|
int QTextEdit::wrapColumnOrWidth() const
|
|
{
|
|
if ( wrapMode == WidgetWidth )
|
|
return visibleWidth();
|
|
return wrapWidth;
|
|
}
|
|
|
|
|
|
/*!
|
|
\enum QTextEdit::WrapPolicy
|
|
|
|
This enum defines where text can be wrapped in word wrap mode.
|
|
|
|
\value AtWhiteSpace Don't use this deprecated value (it is a
|
|
synonym for \c AtWordBoundary which you should use instead).
|
|
\value Anywhere Break anywhere, including within words.
|
|
\value AtWordBoundary Break lines at word boundaries, e.g. spaces or
|
|
newlines
|
|
\value AtWordOrDocumentBoundary Break lines at whitespace, e.g.
|
|
spaces or newlines if possible. Break it anywhere otherwise.
|
|
|
|
\sa setWrapPolicy()
|
|
*/
|
|
|
|
/*!
|
|
\property QTextEdit::wrapPolicy
|
|
\brief the word wrap policy, at whitespace or anywhere
|
|
|
|
Defines where text can be wrapped when word wrap mode is not \c
|
|
NoWrap. The choices are \c AtWordBoundary (the default), \c
|
|
Anywhere and \c AtWordOrDocumentBoundary
|
|
|
|
\sa wordWrap
|
|
*/
|
|
|
|
void QTextEdit::setWrapPolicy( WrapPolicy policy )
|
|
{
|
|
if ( wPolicy == policy )
|
|
return;
|
|
wPolicy = policy;
|
|
QTextFormatter *formatter;
|
|
if ( policy == AtWordBoundary || policy == AtWordOrDocumentBoundary ) {
|
|
formatter = new QTextFormatterBreakWords;
|
|
formatter->setAllowBreakInWords( policy == AtWordOrDocumentBoundary );
|
|
} else {
|
|
formatter = new QTextFormatterBreakInWords;
|
|
}
|
|
formatter->setWrapAtColumn( document()->formatter()->wrapAtColumn() );
|
|
formatter->setWrapEnabled( document()->formatter()->isWrapEnabled( 0 ) );
|
|
document()->setFormatter( formatter );
|
|
doc->invalidate();
|
|
updateContents();
|
|
lastFormatted = doc->firstParagraph();
|
|
interval = 0;
|
|
formatMore();
|
|
}
|
|
|
|
QTextEdit::WrapPolicy QTextEdit::wrapPolicy() const
|
|
{
|
|
return wPolicy;
|
|
}
|
|
|
|
/*!
|
|
Deletes all the text in the text edit.
|
|
|
|
\sa cut() removeSelectedText() setText()
|
|
*/
|
|
|
|
void QTextEdit::clear()
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode ) {
|
|
optimSetText("");
|
|
} else
|
|
#endif
|
|
{
|
|
// make clear undoable
|
|
doc->selectAll( QTextDocument::Temp );
|
|
removeSelectedText( QTextDocument::Temp );
|
|
setContentsPos( 0, 0 );
|
|
if ( cursor->isValid() )
|
|
cursor->restoreState();
|
|
doc->clear( TRUE );
|
|
delete cursor;
|
|
cursor = new QTextCursor( doc );
|
|
lastFormatted = 0;
|
|
}
|
|
updateContents();
|
|
|
|
emit cursorPositionChanged( cursor );
|
|
emit cursorPositionChanged( cursor->paragraph()->paragId(), cursor->index() );
|
|
}
|
|
|
|
int QTextEdit::undoDepth() const
|
|
{
|
|
return document()->undoDepth();
|
|
}
|
|
|
|
/*!
|
|
\property QTextEdit::length
|
|
\brief the number of characters in the text
|
|
*/
|
|
|
|
int QTextEdit::length() const
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode )
|
|
return d->od->len;
|
|
else
|
|
#endif
|
|
return document()->length();
|
|
}
|
|
|
|
/*!
|
|
\property QTextEdit::tabStopWidth
|
|
\brief the tab stop width in pixels
|
|
*/
|
|
|
|
int QTextEdit::tabStopWidth() const
|
|
{
|
|
return document()->tabStopWidth();
|
|
}
|
|
|
|
void QTextEdit::setUndoDepth( int d )
|
|
{
|
|
document()->setUndoDepth( d );
|
|
}
|
|
|
|
void QTextEdit::setTabStopWidth( int ts )
|
|
{
|
|
document()->setTabStops( ts );
|
|
doc->invalidate();
|
|
lastFormatted = doc->firstParagraph();
|
|
interval = 0;
|
|
formatMore();
|
|
updateContents();
|
|
}
|
|
|
|
/*!
|
|
\reimp
|
|
*/
|
|
|
|
QSize QTextEdit::sizeHint() const
|
|
{
|
|
// cf. QScrollView::sizeHint()
|
|
constPolish();
|
|
int f = 2 * frameWidth();
|
|
int h = fontMetrics().height();
|
|
QSize sz( f, f );
|
|
return sz.expandedTo( QSize(12 * h, 8 * h) );
|
|
}
|
|
|
|
void QTextEdit::clearUndoRedo()
|
|
{
|
|
if ( !undoEnabled )
|
|
return;
|
|
undoRedoInfo.clear();
|
|
emit undoAvailable( doc->commands()->isUndoAvailable() );
|
|
emit redoAvailable( doc->commands()->isRedoAvailable() );
|
|
}
|
|
|
|
/*! \internal
|
|
\warning In Qt 3.1 we will provide a cleaer API for the
|
|
functionality which is provided by this function and in Qt 4.0 this
|
|
function will go away.
|
|
|
|
This function gets the format of the character at position \a
|
|
index in paragraph \a para. Sets \a font to the character's font, \a
|
|
color to the character's color and \a verticalAlignment to the
|
|
character's vertical alignment.
|
|
|
|
Returns FALSE if \a para or \a index is out of range otherwise
|
|
returns TRUE.
|
|
*/
|
|
|
|
bool QTextEdit::getFormat( int para, int index, QFont *font, QColor *color, VerticalAlignment *verticalAlignment )
|
|
{
|
|
if ( !font || !color )
|
|
return FALSE;
|
|
QTextParagraph *p = doc->paragAt( para );
|
|
if ( !p )
|
|
return FALSE;
|
|
if ( index < 0 || index >= p->length() )
|
|
return FALSE;
|
|
*font = p->at( index )->format()->font();
|
|
*color = p->at( index )->format()->color();
|
|
*verticalAlignment = (VerticalAlignment)p->at( index )->format()->vAlign();
|
|
return TRUE;
|
|
}
|
|
|
|
/*! \internal
|
|
\warning In Qt 3.1 we will provide a cleaer API for the
|
|
functionality which is provided by this function and in Qt 4.0 this
|
|
function will go away.
|
|
|
|
This function gets the format of the paragraph \a para. Sets \a
|
|
font to the paragraphs's font, \a color to the paragraph's color, \a
|
|
verticalAlignment to the paragraph's vertical alignment, \a
|
|
alignment to the paragraph's alignment, \a displayMode to the
|
|
paragraph's display mode, \a listStyle to the paragraph's list style
|
|
(if the display mode is QStyleSheetItem::DisplayListItem) and \a
|
|
listDepth to the depth of the list (if the display mode is
|
|
QStyleSheetItem::DisplayListItem).
|
|
|
|
Returns FALSE if \a para is out of range otherwise returns TRUE.
|
|
*/
|
|
|
|
bool QTextEdit::getParagraphFormat( int para, QFont *font, QColor *color,
|
|
VerticalAlignment *verticalAlignment, int *alignment,
|
|
QStyleSheetItem::DisplayMode *displayMode,
|
|
QStyleSheetItem::ListStyle *listStyle,
|
|
int *listDepth )
|
|
{
|
|
if ( !font || !color || !alignment || !displayMode || !listStyle )
|
|
return FALSE;
|
|
QTextParagraph *p = doc->paragAt( para );
|
|
if ( !p )
|
|
return FALSE;
|
|
*font = p->at(0)->format()->font();
|
|
*color = p->at(0)->format()->color();
|
|
*verticalAlignment = (VerticalAlignment)p->at(0)->format()->vAlign();
|
|
*alignment = p->alignment();
|
|
*displayMode = p->isListItem() ? QStyleSheetItem::DisplayListItem : QStyleSheetItem::DisplayBlock;
|
|
*listStyle = p->listStyle();
|
|
*listDepth = p->listDepth();
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
|
|
/*!
|
|
This function is called to create a right mouse button popup menu
|
|
at the document position \a pos. If you want to create a custom
|
|
popup menu, reimplement this function and return the created popup
|
|
menu. Ownership of the popup menu is transferred to the caller.
|
|
|
|
\warning The QPopupMenu ID values 0-7 are reserved, and they map to the
|
|
standard operations. When inserting items into your custom popup menu, be
|
|
sure to specify ID values larger than 7.
|
|
*/
|
|
|
|
QPopupMenu *QTextEdit::createPopupMenu( const QPoint& pos )
|
|
{
|
|
Q_UNUSED( pos )
|
|
#ifndef QT_NO_POPUPMENU
|
|
QPopupMenu *popup = new QPopupMenu( this, "qt_edit_menu" );
|
|
if ( !isReadOnly() ) {
|
|
d->id[ IdUndo ] = popup->insertItem( tr( "&Undo" ) + ACCEL_KEY( Z ) );
|
|
d->id[ IdRedo ] = popup->insertItem( tr( "&Redo" ) + ACCEL_KEY( Y ) );
|
|
popup->insertSeparator();
|
|
}
|
|
#ifndef QT_NO_CLIPBOARD
|
|
if ( !isReadOnly() )
|
|
d->id[ IdCut ] = popup->insertItem( tr( "Cu&t" ) + ACCEL_KEY( X ) );
|
|
d->id[ IdCopy ] = popup->insertItem( tr( "&Copy" ) + ACCEL_KEY( C ) );
|
|
if ( !isReadOnly() )
|
|
d->id[ IdPaste ] = popup->insertItem( tr( "&Paste" ) + ACCEL_KEY( V ) );
|
|
#endif
|
|
if ( !isReadOnly() ) {
|
|
d->id[ IdClear ] = popup->insertItem( tr( "Clear" ) );
|
|
popup->insertSeparator();
|
|
}
|
|
#if defined(Q_WS_X11)
|
|
d->id[ IdSelectAll ] = popup->insertItem( tr( "Select All" ) );
|
|
#else
|
|
d->id[ IdSelectAll ] = popup->insertItem( tr( "Select All" ) + ACCEL_KEY( A ) );
|
|
#endif
|
|
|
|
#ifndef QT_NO_IM
|
|
QInputContext *qic = getInputContext();
|
|
if ( qic )
|
|
qic->addMenusTo( popup );
|
|
#endif
|
|
|
|
popup->setItemEnabled( d->id[ IdUndo ], !isReadOnly() && doc->commands()->isUndoAvailable() );
|
|
popup->setItemEnabled( d->id[ IdRedo ], !isReadOnly() && doc->commands()->isRedoAvailable() );
|
|
#ifndef QT_NO_CLIPBOARD
|
|
popup->setItemEnabled( d->id[ IdCut ], !isReadOnly() && doc->hasSelection( QTextDocument::Standard, TRUE ) );
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
popup->setItemEnabled( d->id[ IdCopy ], d->optimMode ? optimHasSelection() : doc->hasSelection( QTextDocument::Standard, TRUE ) );
|
|
#else
|
|
popup->setItemEnabled( d->id[ IdCopy ], doc->hasSelection( QTextDocument::Standard, TRUE ) );
|
|
#endif
|
|
popup->setItemEnabled( d->id[ IdPaste ], !isReadOnly() && !QApplication::clipboard()->text( d->clipboard_mode ).isEmpty() );
|
|
#endif
|
|
const bool isEmptyDocument = (length() == 0);
|
|
popup->setItemEnabled( d->id[ IdClear ], !isReadOnly() && !isEmptyDocument );
|
|
popup->setItemEnabled( d->id[ IdSelectAll ], !isEmptyDocument );
|
|
return popup;
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
/*! \overload
|
|
\obsolete
|
|
This function is called to create a right mouse button popup menu.
|
|
If you want to create a custom popup menu, reimplement this function
|
|
and return the created popup menu. Ownership of the popup menu is
|
|
transferred to the caller.
|
|
|
|
This function is only called if createPopupMenu( const QPoint & )
|
|
returns 0.
|
|
*/
|
|
|
|
QPopupMenu *QTextEdit::createPopupMenu()
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/*!
|
|
\reimp
|
|
*/
|
|
|
|
void QTextEdit::setFont( const QFont &f )
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode ) {
|
|
QScrollView::setFont( f );
|
|
doc->setDefaultFormat( f, doc->formatCollection()->defaultFormat()->color() );
|
|
// recalculate the max string width
|
|
QFontMetrics fm(f);
|
|
int i, sw;
|
|
d->od->maxLineWidth = 0;
|
|
for ( i = 0; i < d->od->numLines; i++ ) {
|
|
sw = fm.width(d->od->lines[LOGOFFSET(i)]);
|
|
if (d->od->maxLineWidth < sw)
|
|
d->od->maxLineWidth = sw;
|
|
}
|
|
resizeContents(d->od->maxLineWidth + 4, d->od->numLines * fm.lineSpacing() + 1);
|
|
return;
|
|
}
|
|
#endif
|
|
QScrollView::setFont( f );
|
|
doc->setMinimumWidth( -1 );
|
|
doc->setDefaultFormat( f, doc->formatCollection()->defaultFormat()->color() );
|
|
lastFormatted = doc->firstParagraph();
|
|
formatMore();
|
|
repaintChanged();
|
|
}
|
|
|
|
/*!
|
|
\fn QTextEdit::zoomIn()
|
|
|
|
\overload
|
|
|
|
Zooms in on the text by making the base font size one point
|
|
larger and recalculating all font sizes to be the new size. This
|
|
does not change the size of any images.
|
|
|
|
\sa zoomOut()
|
|
*/
|
|
|
|
/*!
|
|
\fn QTextEdit::zoomOut()
|
|
|
|
\overload
|
|
|
|
Zooms out on the text by making the base font size one point
|
|
smaller and recalculating all font sizes to be the new size. This
|
|
does not change the size of any images.
|
|
|
|
\sa zoomIn()
|
|
*/
|
|
|
|
|
|
/*!
|
|
Zooms in on the text by making the base font size \a range
|
|
points larger and recalculating all font sizes to be the new size.
|
|
This does not change the size of any images.
|
|
|
|
\sa zoomOut()
|
|
*/
|
|
|
|
void QTextEdit::zoomIn( int range )
|
|
{
|
|
QFont f( QScrollView::font() );
|
|
f.setPointSize( QFontInfo(f).pointSize() + range );
|
|
setFont( f );
|
|
}
|
|
|
|
/*!
|
|
Zooms out on the text by making the base font size \a range points
|
|
smaller and recalculating all font sizes to be the new size. This
|
|
does not change the size of any images.
|
|
|
|
\sa zoomIn()
|
|
*/
|
|
|
|
void QTextEdit::zoomOut( int range )
|
|
{
|
|
QFont f( QScrollView::font() );
|
|
f.setPointSize( QMAX( 1, QFontInfo(f).pointSize() - range ) );
|
|
setFont( f );
|
|
}
|
|
|
|
/*!
|
|
Zooms the text by making the base font size \a size points and
|
|
recalculating all font sizes to be the new size. This does not
|
|
change the size of any images.
|
|
*/
|
|
|
|
void QTextEdit::zoomTo( int size )
|
|
{
|
|
QFont f( QScrollView::font() );
|
|
f.setPointSize( size );
|
|
setFont( f );
|
|
}
|
|
|
|
/*!
|
|
QTextEdit is optimized for large amounts text. One of its
|
|
optimizations is to format only the visible text, formatting the rest
|
|
on demand, e.g. as the user scrolls, so you don't usually need to
|
|
call this function.
|
|
|
|
In some situations you may want to force the whole text
|
|
to be formatted. For example, if after calling setText(), you wanted
|
|
to know the height of the document (using contentsHeight()), you
|
|
would call this function first.
|
|
*/
|
|
|
|
void QTextEdit::sync()
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode ) {
|
|
QFontMetrics fm( QScrollView::font() );
|
|
resizeContents( d->od->maxLineWidth + 4, d->od->numLines * fm.lineSpacing() + 1 );
|
|
} else
|
|
#endif
|
|
{
|
|
while ( lastFormatted ) {
|
|
lastFormatted->format();
|
|
lastFormatted = lastFormatted->next();
|
|
}
|
|
resizeContents( contentsWidth(), doc->height() );
|
|
}
|
|
updateScrollBars();
|
|
}
|
|
|
|
/*!
|
|
\reimp
|
|
*/
|
|
|
|
void QTextEdit::setEnabled( bool b )
|
|
{
|
|
QScrollView::setEnabled( b );
|
|
if ( textFormat() == PlainText ) {
|
|
QTextFormat *f = doc->formatCollection()->defaultFormat();
|
|
f->setColor( colorGroup().text() );
|
|
updateContents();
|
|
}
|
|
}
|
|
|
|
/*!
|
|
Sets the background color of selection number \a selNum to \a back
|
|
and specifies whether the text of this selection should be
|
|
inverted with \a invertText.
|
|
|
|
This only works for \a selNum > 0. The default selection (\a
|
|
selNum == 0) gets its attributes from the text edit's
|
|
colorGroup().
|
|
*/
|
|
|
|
void QTextEdit::setSelectionAttributes( int selNum, const QColor &back, bool invertText )
|
|
{
|
|
if ( selNum < 1 )
|
|
return;
|
|
if ( selNum > doc->numSelections() )
|
|
doc->addSelection( selNum );
|
|
doc->setSelectionColor( selNum, back );
|
|
doc->setInvertSelectionText( selNum, invertText );
|
|
}
|
|
|
|
/*!
|
|
\reimp
|
|
*/
|
|
void QTextEdit::windowActivationChange( bool oldActive )
|
|
{
|
|
if ( oldActive && scrollTimer )
|
|
scrollTimer->stop();
|
|
if ( palette().active() != palette().inactive() )
|
|
updateContents();
|
|
QScrollView::windowActivationChange( oldActive );
|
|
}
|
|
|
|
void QTextEdit::setReadOnly( bool b )
|
|
{
|
|
if ( (bool) readonly == b )
|
|
return;
|
|
readonly = b;
|
|
#ifndef QT_NO_CURSOR
|
|
if ( readonly )
|
|
viewport()->setCursor( arrowCursor );
|
|
else
|
|
viewport()->setCursor( ibeamCursor );
|
|
setInputMethodEnabled( !readonly );
|
|
#endif
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
checkOptimMode();
|
|
#endif
|
|
}
|
|
|
|
/*!
|
|
Scrolls to the bottom of the document and does formatting if
|
|
required.
|
|
*/
|
|
|
|
void QTextEdit::scrollToBottom()
|
|
{
|
|
sync();
|
|
setContentsPos( contentsX(), contentsHeight() - visibleHeight() );
|
|
}
|
|
|
|
/*!
|
|
Returns the rectangle of the paragraph \a para in contents
|
|
coordinates, or an invalid rectangle if \a para is out of range.
|
|
*/
|
|
|
|
QRect QTextEdit::paragraphRect( int para ) const
|
|
{
|
|
QTextEdit *that = (QTextEdit *)this;
|
|
that->sync();
|
|
QTextParagraph *p = doc->paragAt( para );
|
|
if ( !p )
|
|
return QRect( -1, -1, -1, -1 );
|
|
return p->rect();
|
|
}
|
|
|
|
/*!
|
|
Returns the paragraph which is at position \a pos (in contents
|
|
coordinates).
|
|
*/
|
|
|
|
int QTextEdit::paragraphAt( const QPoint &pos ) const
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode ) {
|
|
QFontMetrics fm( QScrollView::font() );
|
|
int parag = pos.y() / fm.lineSpacing();
|
|
if ( parag <= d->od->numLines )
|
|
return parag;
|
|
else
|
|
return 0;
|
|
}
|
|
#endif
|
|
QTextCursor c( doc );
|
|
c.place( pos, doc->firstParagraph() );
|
|
if ( c.paragraph() )
|
|
return c.paragraph()->paragId();
|
|
return -1; // should never happen..
|
|
}
|
|
|
|
/*!
|
|
Returns the index of the character (relative to its paragraph) at
|
|
position \a pos (in contents coordinates). If \a para is not 0,
|
|
\a *para is set to the character's paragraph.
|
|
*/
|
|
|
|
int QTextEdit::charAt( const QPoint &pos, int *para ) const
|
|
{
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
if ( d->optimMode ) {
|
|
int par = paragraphAt( pos );
|
|
if ( para )
|
|
*para = par;
|
|
return optimCharIndex( d->od->lines[ LOGOFFSET(par) ], pos.x() );
|
|
}
|
|
#endif
|
|
QTextCursor c( doc );
|
|
c.place( pos, doc->firstParagraph() );
|
|
if ( c.paragraph() ) {
|
|
if ( para )
|
|
*para = c.paragraph()->paragId();
|
|
return c.index();
|
|
}
|
|
return -1; // should never happen..
|
|
}
|
|
|
|
/*!
|
|
Sets the background color of the paragraph \a para to \a bg.
|
|
*/
|
|
|
|
void QTextEdit::setParagraphBackgroundColor( int para, const QColor &bg )
|
|
{
|
|
QTextParagraph *p = doc->paragAt( para );
|
|
if ( !p )
|
|
return;
|
|
p->setBackgroundColor( bg );
|
|
repaintChanged();
|
|
}
|
|
|
|
/*!
|
|
Clears the background color of the paragraph \a para, so that the
|
|
default color is used again.
|
|
*/
|
|
|
|
void QTextEdit::clearParagraphBackground( int para )
|
|
{
|
|
QTextParagraph *p = doc->paragAt( para );
|
|
if ( !p )
|
|
return;
|
|
p->clearBackgroundColor();
|
|
repaintChanged();
|
|
}
|
|
|
|
/*!
|
|
Returns the background color of the paragraph \a para or an
|
|
invalid color if \a para is out of range or the paragraph has no
|
|
background set
|
|
*/
|
|
|
|
QColor QTextEdit::paragraphBackgroundColor( int para ) const
|
|
{
|
|
QTextParagraph *p = doc->paragAt( para );
|
|
if ( !p )
|
|
return QColor();
|
|
QColor *c = p->backgroundColor();
|
|
if ( c )
|
|
return *c;
|
|
return QColor();
|
|
}
|
|
|
|
/*!
|
|
\property QTextEdit::undoRedoEnabled
|
|
\brief whether undo/redo is enabled
|
|
|
|
When changing this property, the undo/redo history is cleared.
|
|
|
|
The default is TRUE.
|
|
*/
|
|
|
|
void QTextEdit::setUndoRedoEnabled( bool b )
|
|
{
|
|
undoRedoInfo.clear();
|
|
doc->commands()->clear();
|
|
|
|
undoEnabled = b;
|
|
}
|
|
|
|
bool QTextEdit::isUndoRedoEnabled() const
|
|
{
|
|
return undoEnabled;
|
|
}
|
|
|
|
/*!
|
|
Returns TRUE if undo is available; otherwise returns FALSE.
|
|
*/
|
|
|
|
bool QTextEdit::isUndoAvailable() const
|
|
{
|
|
return undoEnabled && (doc->commands()->isUndoAvailable() || undoRedoInfo.valid());
|
|
}
|
|
|
|
/*!
|
|
Returns TRUE if redo is available; otherwise returns FALSE.
|
|
*/
|
|
|
|
bool QTextEdit::isRedoAvailable() const
|
|
{
|
|
return undoEnabled && doc->commands()->isRedoAvailable();
|
|
}
|
|
|
|
void QTextEdit::ensureFormatted( QTextParagraph *p )
|
|
{
|
|
while ( !p->isValid() ) {
|
|
if ( !lastFormatted )
|
|
return;
|
|
formatMore();
|
|
}
|
|
}
|
|
|
|
/*! \internal */
|
|
void QTextEdit::updateCursor( const QPoint & pos )
|
|
{
|
|
if ( isReadOnly() && linksEnabled() ) {
|
|
QTextCursor c = *cursor;
|
|
placeCursor( pos, &c, TRUE );
|
|
|
|
#ifndef QT_NO_NETWORKPROTOCOL
|
|
bool insideParagRect = TRUE;
|
|
if (c.paragraph() == doc->lastParagraph()
|
|
&& c.paragraph()->rect().y() + c.paragraph()->rect().height() < pos.y())
|
|
insideParagRect = FALSE;
|
|
if (insideParagRect && c.paragraph() && c.paragraph()->at( c.index() ) &&
|
|
c.paragraph()->at( c.index() )->isAnchor()) {
|
|
if (!c.paragraph()->at( c.index() )->anchorHref().isEmpty()
|
|
&& c.index() < c.paragraph()->length() - 1 )
|
|
onLink = c.paragraph()->at( c.index() )->anchorHref();
|
|
else
|
|
onLink = QString::null;
|
|
|
|
if (!c.paragraph()->at( c.index() )->anchorName().isEmpty()
|
|
&& c.index() < c.paragraph()->length() - 1 )
|
|
d->onName = c.paragraph()->at( c.index() )->anchorName();
|
|
else
|
|
d->onName = QString::null;
|
|
|
|
if (!c.paragraph()->at( c.index() )->anchorHref().isEmpty() ) {
|
|
#ifndef QT_NO_CURSOR
|
|
viewport()->setCursor( onLink.isEmpty() ? arrowCursor : pointingHandCursor );
|
|
#endif
|
|
QUrl u( doc->context(), onLink, TRUE );
|
|
emitHighlighted( u.toString( FALSE, FALSE ) );
|
|
}
|
|
} else {
|
|
#ifndef QT_NO_CURSOR
|
|
viewport()->setCursor( isReadOnly() ? arrowCursor : ibeamCursor );
|
|
#endif
|
|
onLink = QString::null;
|
|
emitHighlighted( QString::null );
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
/*!
|
|
Places the cursor \a c at the character which is closest to position
|
|
\a pos (in contents coordinates). If \a c is 0, the default text
|
|
cursor is used.
|
|
|
|
\sa setCursorPosition()
|
|
*/
|
|
void QTextEdit::placeCursor( const QPoint &pos, QTextCursor *c )
|
|
{
|
|
placeCursor( pos, c, FALSE );
|
|
}
|
|
|
|
/*! \internal */
|
|
void QTextEdit::clipboardChanged()
|
|
{
|
|
#ifndef QT_NO_CLIPBOARD
|
|
// don't listen to selection changes
|
|
disconnect( QApplication::clipboard(), SIGNAL(selectionChanged()), this, 0);
|
|
#endif
|
|
selectAll(FALSE);
|
|
}
|
|
|
|
/*! \property QTextEdit::tabChangesFocus
|
|
\brief whether TAB changes focus or is accepted as input
|
|
|
|
In some occasions text edits should not allow the user to input
|
|
tabulators or change indentation using the TAB key, as this breaks
|
|
the focus chain. The default is FALSE.
|
|
|
|
*/
|
|
|
|
void QTextEdit::setTabChangesFocus( bool b )
|
|
{
|
|
d->tabChangesFocus = b;
|
|
}
|
|
|
|
bool QTextEdit::tabChangesFocus() const
|
|
{
|
|
return d->tabChangesFocus;
|
|
}
|
|
|
|
#ifdef QT_TEXTEDIT_OPTIMIZATION
|
|
/* Implementation of optimized LogText mode follows */
|
|
|
|
static void qSwap( int * a, int * b )
|
|
{
|
|
if ( !a || !b )
|
|
return;
|
|
int tmp = *a;
|
|
*a = *b;
|
|
*b = tmp;
|
|
}
|
|
|
|
/*! \internal */
|
|
bool QTextEdit::checkOptimMode()
|
|
{
|
|
bool oldMode = d->optimMode;
|
|
if ( textFormat() == LogText ) {
|
|
setReadOnly( TRUE );
|
|
d->optimMode = TRUE;
|
|
} else {
|
|
d->optimMode = FALSE;
|
|
}
|
|
|
|
// when changing mode - try to keep selections and text
|
|
if ( oldMode != d->optimMode ) {
|
|
if ( d->optimMode ) {
|
|
d->od = new QTextEditOptimPrivate;
|
|
connect( scrollTimer, SIGNAL( timeout() ), this, SLOT( optimDoAutoScroll() ) );
|
|
disconnect( doc, SIGNAL( minimumWidthChanged(int) ), this, SLOT( documentWidthChanged(int) ) );
|
|
disconnect( scrollTimer, SIGNAL( timeout() ), this, SLOT( autoScrollTimerDone() ) );
|
|
disconnect( formatTimer, SIGNAL( timeout() ), this, SLOT( formatMore() ) );
|
|
optimSetText( doc->originalText() );
|
|
doc->clear(TRUE);
|
|
delete cursor;
|
|
cursor = new QTextCursor( doc );
|
|
} else {
|
|
disconnect( scrollTimer, SIGNAL( timeout() ), this, SLOT( optimDoAutoScroll() ) );
|
|
connect( doc, SIGNAL( minimumWidthChanged(int) ), this, SLOT( documentWidthChanged(int) ) );
|
|
connect( scrollTimer, SIGNAL( timeout() ), this, SLOT( autoScrollTimerDone() ) );
|
|
connect( formatTimer, SIGNAL( timeout() ), this, SLOT( formatMore() ) );
|
|
setText( optimText() );
|
|
delete d->od;
|
|
d->od = 0;
|
|
}
|
|
}
|
|
return d->optimMode;
|
|
}
|
|
|
|
/*! \internal */
|
|
QString QTextEdit::optimText() const
|
|
{
|
|
QString str, tmp;
|
|
|
|
if ( d->od->len == 0 )
|
|
return str;
|
|
|
|
// concatenate all strings
|
|
int i;
|
|
int offset;
|
|
QMapConstIterator<int,QTextEditOptimPrivate::Tag *> it;
|
|
QTextEditOptimPrivate::Tag * ftag = 0;
|
|
for ( i = 0; i < d->od->numLines; i++ ) {
|
|
if ( d->od->lines[ LOGOFFSET(i) ].isEmpty() ) { // CR lines are empty
|
|
str += "\n";
|
|
} else {
|
|
tmp = d->od->lines[ LOGOFFSET(i) ] + "\n";
|
|
// inject the tags for this line
|
|
if ( (it = d->od->tagIndex.find( LOGOFFSET(i) )) != d->od->tagIndex.end() )
|
|
ftag = it.data();
|
|
offset = 0;
|
|
while ( ftag && ftag->line == i ) {
|
|
tmp.insert( ftag->index + offset, "<" + ftag->tag + ">" );
|
|
offset += ftag->tag.length() + 2; // 2 -> the '<' and '>' chars
|
|
ftag = ftag->next;
|
|
}
|
|
str += tmp;
|
|
}
|
|
}
|
|
return str;
|
|
}
|
|
|
|
/*! \internal */
|
|
void QTextEdit::optimSetText( const QString &str )
|
|
{
|
|
optimRemoveSelection();
|
|
// this is just too slow - but may have to go in due to compatibility reasons
|
|
// if ( str == optimText() )
|
|
// return;
|
|
d->od->numLines = 0;
|
|
d->od->lines.clear();
|
|
d->od->maxLineWidth = 0;
|
|
d->od->len = 0;
|
|
d->od->clearTags();
|
|
QFontMetrics fm( QScrollView::font() );
|
|
if ( !(str.isEmpty() || str.isNull() || d->maxLogLines == 0) ) {
|
|
QStringList strl = QStringList::split( '\n', str, TRUE );
|
|
int lWidth = 0;
|
|
for ( QStringList::Iterator it = strl.begin(); it != strl.end(); ++it ) {
|
|
optimParseTags( &*it );
|
|
optimCheckLimit( *it );
|
|
lWidth = fm.width( *it );
|
|
if ( lWidth > d->od->maxLineWidth )
|
|
d->od->maxLineWidth = lWidth;
|
|
}
|
|
}
|
|
resizeContents( d->od->maxLineWidth + 4, d->od->numLines * fm.lineSpacing() + 1 );
|
|
repaintContents();
|
|
emit textChanged();
|
|
}
|
|
|
|
/*! \internal
|
|
|
|
Append \a tag to the tag list.
|
|
*/
|
|
QTextEditOptimPrivate::Tag * QTextEdit::optimAppendTag( int index, const QString & tag )
|
|
{
|
|
QTextEditOptimPrivate::Tag * t = new QTextEditOptimPrivate::Tag, * tmp;
|
|
|
|
if ( d->od->tags == 0 )
|
|
d->od->tags = t;
|
|
t->bold = t->italic = t->underline = FALSE;
|
|
t->line = d->od->numLines;
|
|
t->index = index;
|
|
t->tag = tag;
|
|
t->leftTag = 0;
|
|
t->parent = 0;
|
|
t->prev = d->od->lastTag;
|
|
if ( d->od->lastTag )
|
|
d->od->lastTag->next = t;
|
|
t->next = 0;
|
|
d->od->lastTag = t;
|
|
tmp = d->od->tagIndex[ LOGOFFSET(t->line) ];
|
|
if ( !tmp || (tmp && tmp->index > t->index) ) {
|
|
d->od->tagIndex.replace( LOGOFFSET(t->line), t );
|
|
}
|
|
return t;
|
|
}
|
|
|
|
/*! \internal
|
|
|
|
Insert \a tag in the tag - according to line and index numbers
|
|
*/
|
|
|
|
QTextEditOptimPrivate::Tag *QTextEdit::optimInsertTag(int line, int index, const QString &tag)
|
|
{
|
|
QTextEditOptimPrivate::Tag *t = new QTextEditOptimPrivate::Tag, *tmp;
|
|
|
|
if (d->od->tags == 0)
|
|
d->od->tags = t;
|
|
t->bold = t->italic = t->underline = FALSE;
|
|
t->line = line;
|
|
t->index = index;
|
|
t->tag = tag;
|
|
t->leftTag = 0;
|
|
t->parent = 0;
|
|
t->next = 0;
|
|
t->prev = 0;
|
|
|
|
// find insertion pt. in tag struct.
|
|
QMap<int,QTextEditOptimPrivate::Tag *>::ConstIterator it;
|
|
if ((it = d->od->tagIndex.find(LOGOFFSET(line))) != d->od->tagIndex.end()) {
|
|
tmp = *it;
|
|
if (tmp->index >= index) { // the exisiting tag may be placed AFTER the one we want to insert
|
|
tmp = tmp->prev;
|
|
} else {
|
|
while (tmp && tmp->next && tmp->next->line == line && tmp->next->index <= index)
|
|
tmp = tmp->next;
|
|
}
|
|
} else {
|
|
tmp = d->od->tags;
|
|
while (tmp && tmp->next && tmp->next->line < line)
|
|
tmp = tmp->next;
|
|
if (tmp == d->od->tags)
|
|
tmp = 0;
|
|
}
|
|
|
|
t->prev = tmp;
|
|
t->next = tmp ? tmp->next : 0;
|
|
if (t->next)
|
|
t->next->prev = t;
|
|
if (tmp)
|
|
tmp->next = t;
|
|
|
|
tmp = d->od->tagIndex[LOGOFFSET(t->line)];
|
|
if (!tmp || (tmp && tmp->index >= t->index)) {
|
|
d->od->tagIndex.replace(LOGOFFSET(t->line), t);
|
|
}
|
|
return t;
|
|
}
|
|
|
|
|
|
/*! \internal
|
|
|
|
Find tags in \a line, remove them from \a line and put them in a
|
|
structure.
|
|
|
|
A tag is delimited by '<' and '>'. The characters '<', '>' and '&'
|
|
are escaped by using '<', '>' and '&'. Left-tags marks
|
|
the starting point for formatting, while right-tags mark the ending
|
|
point. A right-tag is the same as a left-tag, but with a '/'
|
|
appearing before the tag keyword. E.g a valid left-tag: <b>, and
|
|
a valid right-tag: </b>. Tags can be nested, but they have to be
|
|
closed in the same order as they are opened. E.g:
|
|
<font color=red><font color=blue>blue</font>red</font> - is valid, while:
|
|
<font color=red><b>bold red</font> just bold</b> - is invalid since the font tag is
|
|
closed before the bold tag. Note that a tag does not have to be
|
|
closed: '<font color=blue>Lots of text - and then some..' is perfectly valid for
|
|
setting all text appearing after the tag to blue. A tag can be used
|
|
to change the color of a piece of text, or set one of the following
|
|
formatting attributes: bold, italic and underline. These attributes
|
|
are set using the <b>, <i> and <u> tags. Example of valid tags:
|
|
<font color=red>, </font>, <b>, <u>, <i>, </i>.
|
|
Example of valid text:
|
|
This is some <font color=red>red text</font>, while this is some <font color=green>green
|
|
text</font>. <font color=blue><font color=yellow>This is yellow</font>, while this is
|
|
blue.</font>
|
|
|
|
Note that only the color attribute of the HTML font tag is supported.
|
|
|
|
Limitations:
|
|
1. A tag cannot span several lines.
|
|
2. Very limited error checking - mismatching left/right-tags is the
|
|
only thing that is detected.
|
|
|
|
*/
|
|
void QTextEdit::optimParseTags( QString * line, int lineNo, int indexOffset )
|
|
{
|
|
int len = line->length();
|
|
int i, startIndex = -1, endIndex = -1, escIndex = -1;
|
|
int state = 0; // 0 = outside tag, 1 = inside tag
|
|
bool tagOpen, tagClose;
|
|
int bold = 0, italic = 0, underline = 0;
|
|
QString tagStr;
|
|
QPtrStack<QTextEditOptimPrivate::Tag> tagStack;
|
|
|
|
for ( i = 0; i < len; i++ ) {
|
|
tagOpen = (*line)[i] == '<';
|
|
tagClose = (*line)[i] == '>';
|
|
|
|
// handle '<' and '>' and '&'
|
|
if ( (*line)[i] == '&' ) {
|
|
escIndex = i;
|
|
continue;
|
|
} else if ( escIndex != -1 && (*line)[i] == ';' ) {
|
|
QString esc = line->mid( escIndex, i - escIndex + 1 );
|
|
QString c;
|
|
if ( esc == "<" )
|
|
c = '<';
|
|
else if ( esc == ">" )
|
|
c = '>';
|
|
else if ( esc == "&" )
|
|
c = '&';
|
|
line->replace( escIndex, i - escIndex + 1, c );
|
|
len = line->length();
|
|
i -= i-escIndex;
|
|
escIndex = -1;
|
|
continue;
|
|
}
|
|
|
|
if ( state == 0 && tagOpen ) {
|
|
state = 1;
|
|
startIndex = i;
|
|
continue;
|
|
}
|
|
if ( state == 1 && tagClose ) {
|
|
state = 0;
|
|
endIndex = i;
|
|
if ( !tagStr.isEmpty() ) {
|
|
QTextEditOptimPrivate::Tag * tag, * cur, * tmp;
|
|
bool format = TRUE;
|
|
|
|
if ( tagStr == "b" )
|
|
bold++;
|
|
else if ( tagStr == "/b" )
|
|
bold--;
|
|
else if ( tagStr == "i" )
|
|
italic++;
|
|
else if ( tagStr == "/i" )
|
|
italic--;
|
|
else if ( tagStr == "u" )
|
|
underline++;
|
|
else if ( tagStr == "/u" )
|
|
underline--;
|
|
else
|
|
format = FALSE;
|
|
if ( lineNo > -1 )
|
|
tag = optimInsertTag( lineNo, startIndex + indexOffset, tagStr );
|
|
else
|
|
tag = optimAppendTag( startIndex, tagStr );
|
|
// everything that is not a b, u or i tag is considered
|
|
// to be a color tag.
|
|
tag->type = format ? QTextEditOptimPrivate::Format
|
|
: QTextEditOptimPrivate::Color;
|
|
if ( tagStr[0] == '/' ) {
|
|
// this is a right-tag - search for the left-tag
|
|
// and possible parent tag
|
|
cur = tag->prev;
|
|
if ( !cur ) {
|
|
#ifdef QT_CHECK_RANGE
|
|
qWarning( "QTextEdit::optimParseTags: no left-tag for '<%s>' in line %d.", tag->tag.ascii(), tag->line + 1 );
|
|
#endif
|
|
return; // something is wrong - give up
|
|
}
|
|
while ( cur ) {
|
|
if ( cur->leftTag ) { // push right-tags encountered
|
|
tagStack.push( cur );
|
|
} else {
|
|
tmp = tagStack.pop();
|
|
if ( !tmp ) {
|
|
if ( (("/" + cur->tag) == tag->tag) ||
|
|
(tag->tag == "/font" && cur->tag.left(4) == "font") ) {
|
|
// set up the left and parent of this tag
|
|
tag->leftTag = cur;
|
|
tmp = cur->prev;
|
|
if ( tmp && tmp->parent ) {
|
|
tag->parent = tmp->parent;
|
|
} else if ( tmp && !tmp->leftTag ) {
|
|
tag->parent = tmp;
|
|
}
|
|
break;
|
|
} else if ( !cur->leftTag ) {
|
|
#ifdef QT_CHECK_RANGE
|
|
qWarning( "QTextEdit::optimParseTags: mismatching %s-tag for '<%s>' in line %d.", cur->tag[0] == '/' ? "left" : "right", cur->tag.ascii(), cur->line + 1 );
|
|
#endif
|
|
return; // something is amiss - give up
|
|
}
|
|
}
|
|
}
|
|
cur = cur->prev;
|
|
}
|
|
} else {
|
|
tag->bold = bold > 0;
|
|
tag->italic = italic > 0;
|
|
tag->underline = underline > 0;
|
|
tmp = tag->prev;
|
|
while ( tmp && tmp->leftTag ) {
|
|
tmp = tmp->leftTag->parent;
|
|
}
|
|
if ( tmp ) {
|
|
tag->bold |= tmp->bold;
|
|
tag->italic |= tmp->italic;
|
|
tag->underline |= tmp->underline;
|
|
}
|
|
}
|
|
}
|
|
if ( startIndex != -1 ) {
|
|
int l = (endIndex == -1) ?
|
|
line->length() - startIndex : endIndex - startIndex;
|
|
line->remove( startIndex, l+1 );
|
|
len = line->length();
|
|
i -= l+1;
|
|
}
|
|
tagStr = "";
|
|
continue;
|
|
}
|
|
|
|
if ( state == 1 ) {
|
|
tagStr += (*line)[i];
|
|
}
|
|
}
|
|
}
|
|
|
|
// calculate the width of a string in pixels inc. tabs
|
|
static int qStrWidth(const QString& str, int tabWidth, const QFontMetrics& fm)
|
|
{
|
|
int tabs = str.contains('\t');
|
|
|
|
if (!tabs)
|
|
return fm.width(str);
|
|
|
|
int newIdx = 0;
|
|
int lastIdx = 0;
|
|
int strWidth = 0;
|
|
int tn;
|
|
for (tn = 1; tn <= tabs; ++tn) {
|
|
newIdx = str.find('\t', newIdx);
|
|
strWidth += fm.width(str.mid(lastIdx, newIdx - lastIdx));
|
|
if (strWidth >= tn * tabWidth) {
|
|
int u = tn;
|
|
while (strWidth >= u * tabWidth)
|
|
++u;
|
|
strWidth = u * tabWidth;
|
|
} else {
|
|
strWidth = tn * tabWidth;
|
|
}
|
|
lastIdx = ++newIdx;
|
|
}
|
|
if ((int)str.length() > newIdx)
|
|
strWidth += fm.width(str.mid(newIdx));
|
|
return strWidth;
|
|
}
|
|
|
|
bool QTextEdit::optimHasBoldMetrics(int line)
|
|
{
|
|
QTextEditOptimPrivate::Tag *t;
|
|
QMapConstIterator<int,QTextEditOptimPrivate::Tag *> it;
|
|
if ((it = d->od->tagIndex.find(line)) != d->od->tagIndex.end()) {
|
|
t = *it;
|
|
while (t && t->line == line) {
|
|
if (t->bold)
|
|
return TRUE;
|
|
t = t->next;
|
|
}
|
|
} else if ((t = optimPreviousLeftTag(line)) && t->bold) {
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
/*! \internal
|
|
|
|
Append \a str to the current text buffer. Parses each line to find
|
|
formatting tags.
|
|
*/
|
|
void QTextEdit::optimAppend( const QString &str )
|
|
{
|
|
if ( str.isEmpty() || str.isNull() || d->maxLogLines == 0 )
|
|
return;
|
|
|
|
QStringList strl = QStringList::split( '\n', str, TRUE );
|
|
QStringList::Iterator it = strl.begin();
|
|
|
|
QFontMetrics fm(QScrollView::font());
|
|
int lWidth = 0;
|
|
|
|
for ( ; it != strl.end(); ++it ) {
|
|
optimParseTags( &*it );
|
|
optimCheckLimit( *it );
|
|
if (optimHasBoldMetrics(d->od->numLines-1)) {
|
|
QFont fnt = QScrollView::font();
|
|
fnt.setBold(TRUE);
|
|
fm = QFontMetrics(fnt);
|
|
}
|
|
lWidth = qStrWidth(*it, tabStopWidth(), fm) + 4;
|
|
if ( lWidth > d->od->maxLineWidth )
|
|
d->od->maxLineWidth = lWidth;
|
|
}
|
|
bool scrollToEnd = contentsY() >= contentsHeight() - visibleHeight();
|
|
resizeContents( d->od->maxLineWidth + 4, d->od->numLines * fm.lineSpacing() + 1 );
|
|
if ( scrollToEnd ) {
|
|
updateScrollBars();
|
|
ensureVisible( contentsX(), contentsHeight(), 0, 0 );
|
|
}
|
|
// when a max log size is set, the text may not be redrawn because
|
|
// the size of the viewport may not have changed
|
|
if ( d->maxLogLines > -1 )
|
|
viewport()->update();
|
|
emit textChanged();
|
|
}
|
|
|
|
|
|
static void qStripTags(QString *line)
|
|
{
|
|
int len = line->length();
|
|
int i, startIndex = -1, endIndex = -1, escIndex = -1;
|
|
int state = 0; // 0 = outside tag, 1 = inside tag
|
|
bool tagOpen, tagClose;
|
|
|
|
for ( i = 0; i < len; i++ ) {
|
|
tagOpen = (*line)[i] == '<';
|
|
tagClose = (*line)[i] == '>';
|
|
|
|
// handle '<' and '>' and '&'
|
|
if ( (*line)[i] == '&' ) {
|
|
escIndex = i;
|
|
continue;
|
|
} else if ( escIndex != -1 && (*line)[i] == ';' ) {
|
|
QString esc = line->mid( escIndex, i - escIndex + 1 );
|
|
QString c;
|
|
if ( esc == "<" )
|
|
c = '<';
|
|
else if ( esc == ">" )
|
|
c = '>';
|
|
else if ( esc == "&" )
|
|
c = '&';
|
|
line->replace( escIndex, i - escIndex + 1, c );
|
|
len = line->length();
|
|
i -= i-escIndex;
|
|
escIndex = -1;
|
|
continue;
|
|
}
|
|
|
|
if ( state == 0 && tagOpen ) {
|
|
state = 1;
|
|
startIndex = i;
|
|
continue;
|
|
}
|
|
if ( state == 1 && tagClose ) {
|
|
state = 0;
|
|
endIndex = i;
|
|
if ( startIndex != -1 ) {
|
|
int l = (endIndex == -1) ?
|
|
line->length() - startIndex : endIndex - startIndex;
|
|
line->remove( startIndex, l+1 );
|
|
len = line->length();
|
|
i -= l+1;
|
|
}
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*! \internal
|
|
|
|
Inserts the text into \a line at index \a index.
|
|
*/
|
|
|
|
void QTextEdit::optimInsert(const QString& text, int line, int index)
|
|
{
|
|
if (text.isEmpty() || d->maxLogLines == 0)
|
|
return;
|
|
if (line < 0)
|
|
line = 0;
|
|
if (line > d->od->numLines-1)
|
|
line = d->od->numLines-1;
|
|
if (index < 0)
|
|
index = 0;
|
|
if (index > (int) d->od->lines[line].length())
|
|
index = d->od->lines[line].length();
|
|
|
|
QStringList strl = QStringList::split('\n', text, TRUE);
|
|
int numNewLines = (int)strl.count() - 1;
|
|
QTextEditOptimPrivate::Tag *tag = 0;
|
|
QMap<int,QTextEditOptimPrivate::Tag *>::ConstIterator ii;
|
|
int x;
|
|
|
|
if (numNewLines == 0) {
|
|
// Case 1. Fast single line case - just inject it!
|
|
QString stripped = text;
|
|
qStripTags( &stripped );
|
|
d->od->lines[LOGOFFSET(line)].insert(index, stripped);
|
|
// move the tag indices following the insertion pt.
|
|
if ((ii = d->od->tagIndex.find(LOGOFFSET(line))) != d->od->tagIndex.end()) {
|
|
tag = *ii;
|
|
while (tag && (LOGOFFSET(tag->line) == line && tag->index < index))
|
|
tag = tag->next;
|
|
while (tag && (LOGOFFSET(tag->line) == line)) {
|
|
tag->index += stripped.length();
|
|
tag = tag->next;
|
|
}
|
|
}
|
|
stripped = text;
|
|
optimParseTags(&stripped, line, index);
|
|
} else if (numNewLines > 0) {
|
|
// Case 2. We have at least 1 newline char - split at
|
|
// insertion pt. and make room for new lines - complex and slow!
|
|
QString left = d->od->lines[LOGOFFSET(line)].left(index);
|
|
QString right = d->od->lines[LOGOFFSET(line)].mid(index);
|
|
|
|
// rearrange lines for insertion
|
|
for (x = d->od->numLines - 1; x > line; x--)
|
|
d->od->lines[x + numNewLines] = d->od->lines[x];
|
|
d->od->numLines += numNewLines;
|
|
|
|
// fix the tag index and the tag line/index numbers - this
|
|
// might take a while..
|
|
for (x = line; x < d->od->numLines; x++) {
|
|
if ((ii = d->od->tagIndex.find(LOGOFFSET(line))) != d->od->tagIndex.end()) {
|
|
tag = ii.data();
|
|
if (LOGOFFSET(tag->line) == line)
|
|
while (tag && (LOGOFFSET(tag->line) == line && tag->index < index))
|
|
tag = tag->next;
|
|
}
|
|
}
|
|
|
|
// relabel affected tags with new line numbers and new index
|
|
// positions
|
|
while (tag) {
|
|
if (LOGOFFSET(tag->line) == line)
|
|
tag->index -= index;
|
|
tag->line += numNewLines;
|
|
tag = tag->next;
|
|
}
|
|
|
|
// generate a new tag index
|
|
d->od->tagIndex.clear();
|
|
tag = d->od->tags;
|
|
while (tag) {
|
|
if (!((ii = d->od->tagIndex.find(LOGOFFSET(tag->line))) != d->od->tagIndex.end()))
|
|
d->od->tagIndex[LOGOFFSET(tag->line)] = tag;
|
|
tag = tag->next;
|
|
}
|
|
|
|
// update the tag indices on the spliced line - needs to be done before new tags are added
|
|
QString stripped = strl[strl.count() - 1];
|
|
qStripTags(&stripped);
|
|
if ((ii = d->od->tagIndex.find(LOGOFFSET(line + numNewLines))) != d->od->tagIndex.end()) {
|
|
tag = *ii;
|
|
while (tag && (LOGOFFSET(tag->line) == line + numNewLines)) {
|
|
tag->index += stripped.length();
|
|
tag = tag->next;
|
|
}
|
|
}
|
|
|
|
// inject the new lines
|
|
QStringList::Iterator it = strl.begin();
|
|
x = line;
|
|
int idx;
|
|
for (; it != strl.end(); ++it) {
|
|
stripped = *it;
|
|
qStripTags(&stripped);
|
|
if (x == line) {
|
|
stripped = left + stripped;
|
|
idx = index;
|
|
} else {
|
|
idx = 0;
|
|
}
|
|
d->od->lines[LOGOFFSET(x)] = stripped;
|
|
optimParseTags(&*it, x++, idx);
|
|
}
|
|
d->od->lines[LOGOFFSET(x - 1)] += right;
|
|
}
|
|
// recalculate the pixel width of the longest injected line -
|
|
QFontMetrics fm(QScrollView::font());
|
|
int lWidth = 0;
|
|
|
|
for (x = line; x < line + numNewLines; x++) {
|
|
if (optimHasBoldMetrics(x)) {
|
|
QFont fnt = QScrollView::font();
|
|
fnt.setBold(TRUE);
|
|
fm = QFontMetrics(fnt);
|
|
}
|
|
lWidth = fm.width(d->od->lines[x]) + 4;
|
|
if (lWidth > d->od->maxLineWidth)
|
|
d->od->maxLineWidth = lWidth;
|
|
}
|
|
resizeContents(d->od->maxLineWidth + 4, d->od->numLines * fm.lineSpacing() + 1);
|
|
repaintContents();
|
|
emit textChanged();
|
|
}
|
|
|
|
|
|
|
|
/*! \internal
|
|
|
|
Returns the first open left-tag appearing before line \a line.
|
|
*/
|
|
QTextEditOptimPrivate::Tag * QTextEdit::optimPreviousLeftTag( int line )
|
|
{
|
|
QTextEditOptimPrivate::Tag * ftag = 0;
|
|
QMapConstIterator<int,QTextEditOptimPrivate::Tag *> it;
|
|
if ( (it = d->od->tagIndex.find( LOGOFFSET(line) )) != d->od->tagIndex.end() )
|
|
ftag = it.data();
|
|
if ( !ftag ) {
|
|
// start searching for an open tag
|
|
ftag = d->od->tags;
|
|
while ( ftag ) {
|
|
if ( ftag->line > line || ftag->next == 0 ) {
|
|
if ( ftag->line > line )
|
|
ftag = ftag->prev;
|
|
break;
|
|
}
|
|
ftag = ftag->next;
|
|
}
|
|
} else {
|
|
ftag = ftag->prev;
|
|
}
|
|
|
|
if ( ftag ) {
|
|
if ( ftag && ftag->parent ) // use the open parent tag
|
|
ftag = ftag->parent;
|
|
else if ( ftag && ftag->leftTag ) // this is a right-tag with no parent
|
|
ftag = 0;
|
|
}
|
|
return ftag;
|
|
}
|
|
|
|
/*! \internal
|
|
|
|
Set the format for the string starting at index \a start and ending
|
|
at \a end according to \a tag. If \a tag is a Format tag, find the
|
|
first open color tag appearing before \a tag and use that tag to
|
|
color the string.
|
|
*/
|
|
void QTextEdit::optimSetTextFormat( QTextDocument * td, QTextCursor * cur,
|
|
QTextFormat * f, int start, int end,
|
|
QTextEditOptimPrivate::Tag * tag )
|
|
{
|
|
int formatFlags = QTextFormat::Bold | QTextFormat::Italic |
|
|
QTextFormat::Underline;
|
|
cur->setIndex( start );
|
|
td->setSelectionStart( 0, *cur );
|
|
cur->setIndex( end );
|
|
td->setSelectionEnd( 0, *cur );
|
|
QStyleSheetItem * ssItem = styleSheet()->item( tag->tag );
|
|
if ( !ssItem || tag->type == QTextEditOptimPrivate::Format ) {
|
|
f->setBold( tag->bold );
|
|
f->setItalic( tag->italic );
|
|
f->setUnderline( tag->underline );
|
|
if ( tag->type == QTextEditOptimPrivate::Format ) {
|
|
// check to see if there are any open color tags prior to
|
|
// this format tag
|
|
tag = tag->prev;
|
|
while ( tag && (tag->type == QTextEditOptimPrivate::Format ||
|
|
tag->leftTag) ) {
|
|
tag = tag->leftTag ? tag->parent : tag->prev;
|
|
}
|
|
}
|
|
if ( tag ) {
|
|
QString col = tag->tag.simplifyWhiteSpace();
|
|
if ( col.left( 10 ) == "font color" ) {
|
|
int i = col.find( '=', 10 );
|
|
col = col.mid( i + 1 ).simplifyWhiteSpace();
|
|
if ( col[0] == '\"' )
|
|
col = col.mid( 1, col.length() - 2 );
|
|
}
|
|
QColor color = QColor( col );
|
|
if ( color.isValid() ) {
|
|
formatFlags |= QTextFormat::Color;
|
|
f->setColor( color );
|
|
}
|
|
}
|
|
} else { // use the stylesheet tag definition
|
|
if ( ssItem->color().isValid() ) {
|
|
formatFlags |= QTextFormat::Color;
|
|
f->setColor( ssItem->color() );
|
|
}
|
|
f->setBold( ssItem->fontWeight() == QFont::Bold );
|
|
f->setItalic( ssItem->fontItalic() );
|
|
f->setUnderline( ssItem->fontUnderline() );
|
|
}
|
|
td->setFormat( 0, f, formatFlags );
|
|
td->removeSelection( 0 );
|
|
}
|
|
|
|
/*! \internal */
|
|
void QTextEdit::optimDrawContents( QPainter * p, int clipx, int clipy,
|
|
int clipw, int cliph )
|
|
{
|
|
QFontMetrics fm( QScrollView::font() );
|
|
int startLine = clipy / fm.lineSpacing();
|
|
|
|
// we always have to fetch at least two lines for drawing because the
|
|
// painter may be translated so that parts of two lines cover the area
|
|
// of a single line
|
|
int nLines = (cliph / fm.lineSpacing()) + 2;
|
|
int endLine = startLine + nLines;
|
|
|
|
if ( startLine >= d->od->numLines )
|
|
return;
|
|
if ( (startLine + nLines) > d->od->numLines )
|
|
nLines = d->od->numLines - startLine;
|
|
|
|
int i = 0;
|
|
QString str;
|
|
for ( i = startLine; i < (startLine + nLines); i++ )
|
|
str.append( d->od->lines[ LOGOFFSET(i) ] + "\n" );
|
|
|
|
QTextDocument * td = new QTextDocument( 0 );
|
|
td->setDefaultFormat( QScrollView::font(), QColor() );
|
|
td->setPlainText( str );
|
|
td->setFormatter( new QTextFormatterBreakWords ); // deleted by QTextDoc
|
|
td->formatter()->setWrapEnabled( FALSE );
|
|
td->setTabStops(doc->tabStopWidth());
|
|
|
|
// get the current text color from the current format
|
|
td->selectAll( QTextDocument::Standard );
|
|
QTextFormat f;
|
|
f.setColor( colorGroup().text() );
|
|
f.setFont( QScrollView::font() );
|
|
td->setFormat( QTextDocument::Standard, &f,
|
|
QTextFormat::Color | QTextFormat::Font );
|
|
td->removeSelection( QTextDocument::Standard );
|
|
|
|
// add tag formatting
|
|
if ( d->od->tags ) {
|
|
int i = startLine;
|
|
QMapConstIterator<int,QTextEditOptimPrivate::Tag *> it;
|
|
QTextEditOptimPrivate::Tag * tag = 0, * tmp = 0;
|
|
QTextCursor cur( td );
|
|
// Step 1 - find previous left-tag
|
|
tmp = optimPreviousLeftTag( i );
|
|
for ( ; i < startLine + nLines; i++ ) {
|
|
if ( (it = d->od->tagIndex.find( LOGOFFSET(i) )) != d->od->tagIndex.end() )
|
|
tag = it.data();
|
|
// Step 2 - iterate over tags on the current line
|
|
int lastIndex = 0;
|
|
while ( tag && tag->line == i ) {
|
|
tmp = 0;
|
|
if ( tag->prev && !tag->prev->leftTag ) {
|
|
tmp = tag->prev;
|
|
} else if ( tag->prev && tag->prev->parent ) {
|
|
tmp = tag->prev->parent;
|
|
}
|
|
if ( (tag->index - lastIndex) > 0 && tmp ) {
|
|
optimSetTextFormat( td, &cur, &f, lastIndex, tag->index, tmp );
|
|
}
|
|
lastIndex = tag->index;
|
|
tmp = tag;
|
|
tag = tag->next;
|
|
}
|
|
// Step 3 - color last part of the line - if necessary
|
|
if ( tmp && tmp->parent )
|
|
tmp = tmp->parent;
|
|
if ( (cur.paragraph()->length()-1 - lastIndex) > 0 && tmp && !tmp->leftTag ) {
|
|
optimSetTextFormat( td, &cur, &f, lastIndex,
|
|
cur.paragraph()->length() - 1, tmp );
|
|
}
|
|
cur.setParagraph( cur.paragraph()->next() );
|
|
}
|
|
// useful debug info
|
|
//
|
|
// tag = d->od->tags;
|
|
// qWarning("###");
|
|
// while ( tag ) {
|
|
// qWarning( "Tag: %p, parent: %09p, leftTag: %09p, Name: %-15s, ParentName: %s, %d%d%d", tag,
|
|
// tag->parent, tag->leftTag, tag->tag.latin1(), tag->parent ? tag->parent->tag.latin1():"<none>",
|
|
// tag->bold, tag->italic, tag->underline );
|
|
// tag = tag->next;
|
|
// }
|
|
}
|
|
|
|
// if there is a selection, make sure that the selection in the
|
|
// part we need to redraw is set correctly
|
|
if ( optimHasSelection() ) {
|
|
QTextCursor c1( td );
|
|
QTextCursor c2( td );
|
|
int selStart = d->od->selStart.line;
|
|
int idxStart = d->od->selStart.index;
|
|
int selEnd = d->od->selEnd.line;
|
|
int idxEnd = d->od->selEnd.index;
|
|
if ( selEnd < selStart ) {
|
|
qSwap( &selStart, &selEnd );
|
|
qSwap( &idxStart, &idxEnd );
|
|
}
|
|
if ( selEnd > d->od->numLines-1 ) {
|
|
selEnd = d->od->numLines-1;
|
|
}
|
|
if ( startLine <= selStart && endLine >= selEnd ) {
|
|
// case 1: area to paint covers entire selection
|
|
int paragS = selStart - startLine;
|
|
int paragE = paragS + (selEnd - selStart);
|
|
QTextParagraph * parag = td->paragAt( paragS );
|
|
if ( parag ) {
|
|
c1.setParagraph( parag );
|
|
if ( td->text( paragS ).length() >= (uint) idxStart )
|
|
c1.setIndex( idxStart );
|
|
}
|
|
parag = td->paragAt( paragE );
|
|
if ( parag ) {
|
|
c2.setParagraph( parag );
|
|
if ( td->text( paragE ).length() >= (uint) idxEnd )
|
|
c2.setIndex( idxEnd );
|
|
}
|
|
} else if ( startLine > selStart && endLine < selEnd ) {
|
|
// case 2: area to paint is all part of the selection
|
|
td->selectAll( QTextDocument::Standard );
|
|
} else if ( startLine > selStart && endLine >= selEnd &&
|
|
startLine <= selEnd ) {
|
|
// case 3: area to paint starts inside a selection, ends past it
|
|
c1.setParagraph( td->firstParagraph() );
|
|
c1.setIndex( 0 );
|
|
int paragE = selEnd - startLine;
|
|
QTextParagraph * parag = td->paragAt( paragE );
|
|
if ( parag ) {
|
|
c2.setParagraph( parag );
|
|
if ( td->text( paragE ).length() >= (uint) idxEnd )
|
|
c2.setIndex( idxEnd );
|
|
}
|
|
} else if ( startLine <= selStart && endLine < selEnd &&
|
|
endLine > selStart ) {
|
|
// case 4: area to paint starts before a selection, ends inside it
|
|
int paragS = selStart - startLine;
|
|
QTextParagraph * parag = td->paragAt( paragS );
|
|
if ( parag ) {
|
|
c1.setParagraph( parag );
|
|
c1.setIndex( idxStart );
|
|
}
|
|
c2.setParagraph( td->lastParagraph() );
|
|
c2.setIndex( td->lastParagraph()->string()->toString().length() - 1 );
|
|
|
|
}
|
|
// previously selected?
|
|
if ( !td->hasSelection( QTextDocument::Standard ) ) {
|
|
td->setSelectionStart( QTextDocument::Standard, c1 );
|
|
td->setSelectionEnd( QTextDocument::Standard, c2 );
|
|
}
|
|
}
|
|
td->doLayout( p, contentsWidth() );
|
|
|
|
// have to align the painter so that partly visible lines are
|
|
// drawn at the correct position within the area that needs to be
|
|
// painted
|
|
int offset = clipy % fm.lineSpacing() + 2;
|
|
QRect r( clipx, 0, clipw, cliph + offset );
|
|
p->translate( 0, clipy - offset );
|
|
td->draw( p, r.x(), r.y(), r.width(), r.height(), colorGroup() );
|
|
p->translate( 0, -(clipy - offset) );
|
|
delete td;
|
|
}
|
|
|
|
/*! \internal */
|
|
void QTextEdit::optimMousePressEvent( QMouseEvent * e )
|
|
{
|
|
if ( e->button() != LeftButton )
|
|
return;
|
|
|
|
QFontMetrics fm( QScrollView::font() );
|
|
mousePressed = TRUE;
|
|
mousePos = e->pos();
|
|
d->od->selStart.line = e->y() / fm.lineSpacing();
|
|
if ( d->od->selStart.line > d->od->numLines-1 ) {
|
|
d->od->selStart.line = d->od->numLines-1;
|
|
d->od->selStart.index = d->od->lines[ LOGOFFSET(d->od->numLines-1) ].length();
|
|
} else {
|
|
QString str = d->od->lines[ LOGOFFSET(d->od->selStart.line) ];
|
|
d->od->selStart.index = optimCharIndex( str, mousePos.x() );
|
|
}
|
|
d->od->selEnd.line = d->od->selStart.line;
|
|
d->od->selEnd.index = d->od->selStart.index;
|
|
oldMousePos = e->pos();
|
|
repaintContents( FALSE );
|
|
}
|
|
|
|
/*! \internal */
|
|
void QTextEdit::optimMouseReleaseEvent( QMouseEvent * e )
|
|
{
|
|
if ( e->button() != LeftButton )
|
|
return;
|
|
|
|
if ( scrollTimer->isActive() )
|
|
scrollTimer->stop();
|
|
if ( !inDoubleClick ) {
|
|
QFontMetrics fm( QScrollView::font() );
|
|
d->od->selEnd.line = e->y() / fm.lineSpacing();
|
|
if ( d->od->selEnd.line > d->od->numLines-1 ) {
|
|
d->od->selEnd.line = d->od->numLines-1;
|
|
}
|
|
QString str = d->od->lines[ LOGOFFSET(d->od->selEnd.line) ];
|
|
mousePos = e->pos();
|
|
d->od->selEnd.index = optimCharIndex( str, mousePos.x() );
|
|
if ( d->od->selEnd.line < d->od->selStart.line ) {
|
|
qSwap( &d->od->selStart.line, &d->od->selEnd.line );
|
|
qSwap( &d->od->selStart.index, &d->od->selEnd.index );
|
|
} else if ( d->od->selStart.line == d->od->selEnd.line &&
|
|
d->od->selStart.index > d->od->selEnd.index ) {
|
|
qSwap( &d->od->selStart.index, &d->od->selEnd.index );
|
|
}
|
|
oldMousePos = e->pos();
|
|
repaintContents( FALSE );
|
|
}
|
|
if ( mousePressed ) {
|
|
mousePressed = FALSE;
|
|
copyToClipboard();
|
|
}
|
|
|
|
inDoubleClick = FALSE;
|
|
emit copyAvailable( optimHasSelection() );
|
|
emit selectionChanged();
|
|
}
|
|
|
|
/*! \internal */
|
|
void QTextEdit::optimMouseMoveEvent( QMouseEvent * e )
|
|
{
|
|
mousePos = e->pos();
|
|
optimDoAutoScroll();
|
|
oldMousePos = mousePos;
|
|
}
|
|
|
|
/*! \internal */
|
|
void QTextEdit::optimDoAutoScroll()
|
|
{
|
|
if ( !mousePressed )
|
|
return;
|
|
|
|
QFontMetrics fm( QScrollView::font() );
|
|
QPoint pos( mapFromGlobal( QCursor::pos() ) );
|
|
bool doScroll = FALSE;
|
|
int xx = contentsX() + pos.x();
|
|
int yy = contentsY() + pos.y();
|
|
|
|
// find out how much we have to scroll in either dir.
|
|
if ( pos.x() < 0 || pos.x() > viewport()->width() ||
|
|
pos.y() < 0 || pos.y() > viewport()->height() ) {
|
|
int my = yy;
|
|
if ( pos.x() < 0 )
|
|
xx = contentsX() - fm.width( 'w');
|
|
else if ( pos.x() > viewport()->width() )
|
|
xx = contentsX() + viewport()->width() + fm.width('w');
|
|
|
|
if ( pos.y() < 0 ) {
|
|
my = contentsY() - 1;
|
|
yy = (my / fm.lineSpacing()) * fm.lineSpacing() + 1;
|
|
} else if ( pos.y() > viewport()->height() ) {
|
|
my = contentsY() + viewport()->height() + 1;
|
|
yy = (my / fm.lineSpacing() + 1) * fm.lineSpacing() - 1;
|
|
}
|
|
d->od->selEnd.line = my / fm.lineSpacing();
|
|
mousePos.setX( xx );
|
|
mousePos.setY( my );
|
|
doScroll = TRUE;
|
|
} else {
|
|
d->od->selEnd.line = mousePos.y() / fm.lineSpacing();
|
|
}
|
|
|
|
if ( d->od->selEnd.line < 0 ) {
|
|
d->od->selEnd.line = 0;
|
|
} else if ( d->od->selEnd.line > d->od->numLines-1 ) {
|
|
d->od->selEnd.line = d->od->numLines-1;
|
|
}
|
|
|
|
QString str = d->od->lines[ LOGOFFSET(d->od->selEnd.line) ];
|
|
d->od->selEnd.index = optimCharIndex( str, mousePos.x() );
|
|
|
|
// have to have a valid index before generating a paint event
|
|
if ( doScroll )
|
|
ensureVisible( xx, yy, 1, 1 );
|
|
|
|
// if the text document is smaller than the heigth of the viewport
|
|
// - redraw the whole thing otherwise calculate the rect that
|
|
// needs drawing.
|
|
if ( d->od->numLines * fm.lineSpacing() < viewport()->height() ) {
|
|
repaintContents( contentsX(), contentsY(), width(), height(), FALSE );
|
|
} else {
|
|
int h = QABS(mousePos.y() - oldMousePos.y()) + fm.lineSpacing() * 2;
|
|
int y;
|
|
if ( oldMousePos.y() < mousePos.y() ) {
|
|
y = oldMousePos.y() - fm.lineSpacing();
|
|
} else {
|
|
// expand paint area for a fully selected line
|
|
h += fm.lineSpacing();
|
|
y = mousePos.y() - fm.lineSpacing()*2;
|
|
}
|
|
if ( y < 0 )
|
|
y = 0;
|
|
repaintContents( contentsX(), y, width(), h, FALSE );
|
|
}
|
|
|
|
if ( (!scrollTimer->isActive() && pos.y() < 0) || pos.y() > height() )
|
|
scrollTimer->start( 100, FALSE );
|
|
else if ( scrollTimer->isActive() && pos.y() >= 0 && pos.y() <= height() )
|
|
scrollTimer->stop();
|
|
}
|
|
|
|
/*! \internal
|
|
|
|
Returns the index of the character in the string \a str that is
|
|
currently under the mouse pointer.
|
|
*/
|
|
int QTextEdit::optimCharIndex( const QString &str, int mx ) const
|
|
{
|
|
QFontMetrics fm(QScrollView::font());
|
|
uint i = 0;
|
|
int dd, dist = 10000000;
|
|
int curpos = 0;
|
|
int strWidth;
|
|
mx = mx - 4; // ### get the real margin from somewhere
|
|
|
|
if (!str.contains('\t') && mx > fm.width(str))
|
|
return str.length();
|
|
|
|
while (i < str.length()) {
|
|
strWidth = qStrWidth(str.left(i), tabStopWidth(), fm);
|
|
dd = strWidth - mx;
|
|
if (QABS(dd) <= dist) {
|
|
dist = QABS(dd);
|
|
if (mx >= strWidth)
|
|
curpos = i;
|
|
}
|
|
++i;
|
|
}
|
|
return curpos;
|
|
}
|
|
|
|
/*! \internal */
|
|
void QTextEdit::optimSelectAll()
|
|
{
|
|
d->od->selStart.line = d->od->selStart.index = 0;
|
|
d->od->selEnd.line = d->od->numLines - 1;
|
|
d->od->selEnd.index = d->od->lines[ LOGOFFSET(d->od->selEnd.line) ].length();
|
|
|
|
repaintContents( FALSE );
|
|
emit copyAvailable( optimHasSelection() );
|
|
emit selectionChanged();
|
|
}
|
|
|
|
/*! \internal */
|
|
void QTextEdit::optimRemoveSelection()
|
|
{
|
|
d->od->selStart.line = d->od->selEnd.line = -1;
|
|
d->od->selStart.index = d->od->selEnd.index = -1;
|
|
repaintContents( FALSE );
|
|
}
|
|
|
|
/*! \internal */
|
|
void QTextEdit::optimSetSelection( int startLine, int startIdx,
|
|
int endLine, int endIdx )
|
|
{
|
|
d->od->selStart.line = startLine;
|
|
d->od->selEnd.line = endLine;
|
|
d->od->selStart.index = startIdx;
|
|
d->od->selEnd.index = endIdx;
|
|
}
|
|
|
|
/*! \internal */
|
|
bool QTextEdit::optimHasSelection() const
|
|
{
|
|
if ( d->od->selStart.line != d->od->selEnd.line ||
|
|
d->od->selStart.index != d->od->selEnd.index )
|
|
return TRUE;
|
|
return FALSE;
|
|
}
|
|
|
|
/*! \internal */
|
|
QString QTextEdit::optimSelectedText() const
|
|
{
|
|
QString str;
|
|
|
|
if ( !optimHasSelection() )
|
|
return str;
|
|
|
|
// concatenate all strings
|
|
if ( d->od->selStart.line == d->od->selEnd.line ) {
|
|
str = d->od->lines[ LOGOFFSET(d->od->selEnd.line) ].mid( d->od->selStart.index,
|
|
d->od->selEnd.index - d->od->selStart.index );
|
|
} else {
|
|
int i = d->od->selStart.line;
|
|
str = d->od->lines[ LOGOFFSET(i) ].right( d->od->lines[ LOGOFFSET(i) ].length() -
|
|
d->od->selStart.index ) + "\n";
|
|
i++;
|
|
for ( ; i < d->od->selEnd.line; i++ ) {
|
|
if ( d->od->lines[ LOGOFFSET(i) ].isEmpty() ) // CR lines are empty
|
|
str += "\n";
|
|
else
|
|
str += d->od->lines[ LOGOFFSET(i) ] + "\n";
|
|
}
|
|
str += d->od->lines[ LOGOFFSET(d->od->selEnd.line) ].left( d->od->selEnd.index );
|
|
}
|
|
return str;
|
|
}
|
|
|
|
/*! \internal */
|
|
bool QTextEdit::optimFind( const QString & expr, bool cs, bool /*wo*/,
|
|
bool fw, int * para, int * index )
|
|
{
|
|
bool found = FALSE;
|
|
int parag = para ? *para : d->od->search.line,
|
|
idx = index ? *index : d->od->search.index, i;
|
|
|
|
if ( d->od->len == 0 )
|
|
return FALSE;
|
|
|
|
for ( i = parag; fw ? i < d->od->numLines : i >= 0; fw ? i++ : i-- ) {
|
|
idx = fw ? d->od->lines[ LOGOFFSET(i) ].find( expr, idx, cs ) :
|
|
d->od->lines[ LOGOFFSET(i) ].findRev( expr, idx, cs );
|
|
if ( idx != -1 ) {
|
|
found = TRUE;
|
|
break;
|
|
} else if ( fw )
|
|
idx = 0;
|
|
}
|
|
|
|
if ( found ) {
|
|
if ( index )
|
|
*index = idx;
|
|
if ( para )
|
|
*para = i;
|
|
d->od->search.index = idx + 1;
|
|
d->od->search.line = i;
|
|
optimSetSelection( i, idx, i, idx + expr.length() );
|
|
QFontMetrics fm( QScrollView::font() );
|
|
int h = fm.lineSpacing();
|
|
int x = fm.width( d->od->lines[ LOGOFFSET(i) ].left( idx + expr.length()) ) + 4;
|
|
ensureVisible( x, i * h + h / 2, 1, h / 2 + 2 );
|
|
repaintContents(); // could possibly be optimized
|
|
}
|
|
return found;
|
|
}
|
|
|
|
/*! \reimp */
|
|
void QTextEdit::polish()
|
|
{
|
|
// this will ensure that the last line is visible if text have
|
|
// been added to the widget before it is shown
|
|
if ( d->optimMode )
|
|
scrollToBottom();
|
|
QWidget::polish();
|
|
}
|
|
|
|
/*!
|
|
Sets the maximum number of lines a QTextEdit can hold in \c
|
|
LogText mode to \a limit. If \a limit is -1 (the default), this
|
|
signifies an unlimited number of lines.
|
|
|
|
\warning Never use formatting tags that span more than one line
|
|
when the maximum log lines is set. When lines are removed from the
|
|
top of the buffer it could result in an unbalanced tag pair, i.e.
|
|
the left formatting tag is removed before the right one.
|
|
*/
|
|
void QTextEdit::setMaxLogLines( int limit )
|
|
{
|
|
d->maxLogLines = limit;
|
|
if ( d->maxLogLines < -1 )
|
|
d->maxLogLines = -1;
|
|
if ( d->maxLogLines == -1 )
|
|
d->logOffset = 0;
|
|
}
|
|
|
|
/*!
|
|
Returns the maximum number of lines QTextEdit can hold in \c
|
|
LogText mode. By default the number of lines is unlimited, which
|
|
is signified by a value of -1.
|
|
*/
|
|
int QTextEdit::maxLogLines()
|
|
{
|
|
return d->maxLogLines;
|
|
}
|
|
|
|
/*!
|
|
Check if the number of lines in the buffer is limited, and uphold
|
|
that limit when appending new lines.
|
|
*/
|
|
void QTextEdit::optimCheckLimit( const QString& str )
|
|
{
|
|
if ( d->maxLogLines > -1 && d->maxLogLines <= d->od->numLines ) {
|
|
// NB! Removing the top line in the buffer will potentially
|
|
// destroy the structure holding the formatting tags - if line
|
|
// spanning tags are used.
|
|
QTextEditOptimPrivate::Tag *t = d->od->tags, *tmp, *itr;
|
|
QPtrList<QTextEditOptimPrivate::Tag> lst;
|
|
while ( t ) {
|
|
t->line -= 1;
|
|
// unhook the ptr from the tag structure
|
|
if ( ((uint) LOGOFFSET(t->line) < (uint) d->logOffset &&
|
|
(uint) LOGOFFSET(t->line) < (uint) LOGOFFSET(d->od->numLines) &&
|
|
(uint) LOGOFFSET(d->od->numLines) > (uint) d->logOffset) )
|
|
{
|
|
if ( t->prev )
|
|
t->prev->next = t->next;
|
|
if ( t->next )
|
|
t->next->prev = t->prev;
|
|
if ( d->od->tags == t )
|
|
d->od->tags = t->next;
|
|
if ( d->od->lastTag == t ) {
|
|
if ( t->prev )
|
|
d->od->lastTag = t->prev;
|
|
else
|
|
d->od->lastTag = d->od->tags;
|
|
}
|
|
tmp = t;
|
|
t = t->next;
|
|
lst.append( tmp );
|
|
delete tmp;
|
|
} else {
|
|
t = t->next;
|
|
}
|
|
}
|
|
// Remove all references to the ptrs we just deleted
|
|
itr = d->od->tags;
|
|
while ( itr ){
|
|
for ( tmp = lst.first(); tmp; tmp = lst.next() ) {
|
|
if ( itr->parent == tmp )
|
|
itr->parent = 0;
|
|
if ( itr->leftTag == tmp )
|
|
itr->leftTag = 0;
|
|
}
|
|
itr = itr->next;
|
|
}
|
|
// ...in the tag index as well
|
|
QMapIterator<int, QTextEditOptimPrivate::Tag *> idx;
|
|
if ( (idx = d->od->tagIndex.find( d->logOffset )) != d->od->tagIndex.end() )
|
|
d->od->tagIndex.remove( idx );
|
|
|
|
QMapIterator<int,QString> it;
|
|
if ( (it = d->od->lines.find( d->logOffset )) != d->od->lines.end() ) {
|
|
d->od->len -= (*it).length();
|
|
d->od->lines.remove( it );
|
|
d->od->numLines--;
|
|
d->logOffset = LOGOFFSET(1);
|
|
}
|
|
}
|
|
d->od->len += str.length();
|
|
d->od->lines[ LOGOFFSET(d->od->numLines++) ] = str;
|
|
}
|
|
|
|
#endif // QT_TEXTEDIT_OPTIMIZATION
|
|
|
|
/*!
|
|
\property QTextEdit::autoFormatting
|
|
\brief the enabled set of auto formatting features
|
|
|
|
The value can be any combination of the values in the \c
|
|
AutoFormatting enum. The default is \c AutoAll. Choose \c AutoNone
|
|
to disable all automatic formatting.
|
|
|
|
Currently, the only automatic formatting feature provided is \c
|
|
AutoBulletList; future versions of Qt may offer more.
|
|
*/
|
|
|
|
void QTextEdit::setAutoFormatting( uint features )
|
|
{
|
|
d->autoFormatting = features;
|
|
}
|
|
|
|
uint QTextEdit::autoFormatting() const
|
|
{
|
|
return d->autoFormatting;
|
|
}
|
|
|
|
/*!
|
|
Returns the QSyntaxHighlighter set on this QTextEdit. 0 is
|
|
returned if no syntax highlighter is set.
|
|
*/
|
|
QSyntaxHighlighter * QTextEdit::syntaxHighlighter() const
|
|
{
|
|
if (document()->preProcessor())
|
|
return ((QSyntaxHighlighterInternal *) document()->preProcessor())->highlighter;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
#endif //QT_NO_TEXTEDIT
|