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1776 lines
44 KiB
1776 lines
44 KiB
/****************************************************************************
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** Implementation of the internal TQt classes dealing with rich text
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**
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** Created : 990101
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**
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** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
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**
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** This file is part of the kernel module of the TQt GUI Toolkit.
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**
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** This file may be distributed under the terms of the Q Public License
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** as defined by Trolltech AS of Norway and appearing in the file
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** LICENSE.TQPL included in the packaging of this file.
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file.
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**
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** Licensees holding valid TQt Enterprise Edition or TQt Professional Edition
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** licenses may use this file in accordance with the TQt Commercial License
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** 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, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
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** information about TQt Commercial License Agreements.
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** See http://www.trolltech.com/qpl/ for TQPL licensing information.
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** See http://www.trolltech.com/gpl/ for GPL licensing information.
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**
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** Contact info@trolltech.com if any conditions of this licensing are
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** not clear to you.
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**
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**********************************************************************/
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#include "KoRichText.h"
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#include "KoTextFormat.h"
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#include "KoTextParag.h"
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#include <tqpaintdevicemetrics.h>
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#include "tqdrawutil.h" // for KoTextHorizontalLine
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#include <stdlib.h>
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#include "KoParagCounter.h"
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#include "KoTextDocument.h"
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#include <kdebug.h>
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#include <tdeversion.h>
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#include <kglobal.h>
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#include <klocale.h>
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#include <tqtextengine_p.h>
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//#define DEBUG_COLLECTION
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//#define DEBUG_TABLE_RENDERING
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//static KoTextFormatCollection *qFormatCollection = 0;
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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void KoTextDocCommandHistory::addCommand( KoTextDocCommand *cmd )
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{
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if ( current < (int)history.count() - 1 ) {
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TQPtrList<KoTextDocCommand> commands;
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commands.setAutoDelete( FALSE );
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for( int i = 0; i <= current; ++i ) {
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commands.insert( i, history.at( 0 ) );
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history.take( 0 );
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}
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commands.append( cmd );
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history.clear();
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history = commands;
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history.setAutoDelete( TRUE );
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} else {
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history.append( cmd );
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}
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if ( (int)history.count() > steps )
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history.removeFirst();
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else
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++current;
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}
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KoTextCursor *KoTextDocCommandHistory::undo( KoTextCursor *c )
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{
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if ( current > -1 ) {
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KoTextCursor *c2 = history.at( current )->unexecute( c );
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--current;
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return c2;
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}
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return 0;
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}
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KoTextCursor *KoTextDocCommandHistory::redo( KoTextCursor *c )
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{
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if ( current > -1 ) {
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if ( current < (int)history.count() - 1 ) {
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++current;
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return history.at( current )->execute( c );
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}
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} else {
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if ( history.count() > 0 ) {
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++current;
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return history.at( current )->execute( c );
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}
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}
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return 0;
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}
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bool KoTextDocCommandHistory::isUndoAvailable()
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{
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return current > -1;
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}
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bool KoTextDocCommandHistory::isRedoAvailable()
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{
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return current > -1 && current < (int)history.count() - 1 || current == -1 && history.count() > 0;
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}
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// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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KoTextDocDeleteCommand::KoTextDocDeleteCommand( KoTextDocument *d, int i, int idx, const TQMemArray<KoTextStringChar> &str )
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: KoTextDocCommand( d ), id( i ), index( idx ), parag( 0 ), text( str )
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{
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for ( int j = 0; j < (int)text.size(); ++j ) {
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if ( text[ j ].format() )
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text[ j ].format()->addRef();
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}
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}
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/*KoTextDocDeleteCommand::KoTextDocDeleteCommand( KoTextParag *p, int idx, const TQMemArray<KoTextStringChar> &str )
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: KoTextDocCommand( 0 ), id( -1 ), index( idx ), parag( p ), text( str )
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{
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for ( int i = 0; i < (int)text.size(); ++i ) {
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if ( text[ i ].format() )
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text[ i ].format()->addRef();
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}
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}*/
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KoTextDocDeleteCommand::~KoTextDocDeleteCommand()
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{
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for ( int i = 0; i < (int)text.size(); ++i ) {
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if ( text[ i ].format() )
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text[ i ].format()->removeRef();
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}
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text.resize( 0 );
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}
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KoTextCursor *KoTextDocDeleteCommand::execute( KoTextCursor *c )
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{
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KoTextParag *s = doc ? doc->paragAt( id ) : parag;
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if ( !s ) {
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if(doc)
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kdWarning(32500) << "can't locate parag at " << id << ", last parag: " << doc->lastParag()->paragId() << endl;
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return 0;
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}
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cursor.setParag( s );
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cursor.setIndex( index );
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int len = text.size();
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if ( c )
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*c = cursor;
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if ( doc ) {
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doc->setSelectionStart( KoTextDocument::Temp, &cursor );
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for ( int i = 0; i < len; ++i )
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cursor.gotoNextLetter();
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doc->setSelectionEnd( KoTextDocument::Temp, &cursor );
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doc->removeSelectedText( KoTextDocument::Temp, &cursor );
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if ( c )
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*c = cursor;
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} else {
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s->remove( index, len );
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}
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return c;
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}
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KoTextCursor *KoTextDocDeleteCommand::unexecute( KoTextCursor *c )
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{
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KoTextParag *s = doc ? doc->paragAt( id ) : parag;
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if ( !s ) {
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if(doc)
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kdWarning(32500) << "can't locate parag at " << id << ", last parag: " << doc->lastParag()->paragId() << endl;
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return 0;
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}
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cursor.setParag( s );
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cursor.setIndex( index );
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TQString str = KoTextString::toString( text );
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cursor.insert( str, TRUE, &text );
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cursor.setParag( s );
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cursor.setIndex( index );
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if ( c ) {
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c->setParag( s );
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c->setIndex( index );
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for ( int i = 0; i < (int)text.size(); ++i )
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c->gotoNextLetter();
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}
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s = cursor.parag();
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while ( s ) {
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s->format();
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s->setChanged( TRUE );
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if ( c && s == c->parag() )
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break;
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s = s->next();
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}
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return &cursor;
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}
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KoTextDocFormatCommand::KoTextDocFormatCommand( KoTextDocument *d, int sid, int sidx, int eid, int eidx,
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const TQMemArray<KoTextStringChar> &old, const KoTextFormat *f, int fl )
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: KoTextDocCommand( d ), startId( sid ), startIndex( sidx ), endId( eid ), endIndex( eidx ), oldFormats( old ), flags( fl )
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{
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format = d->formatCollection()->format( f );
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for ( int j = 0; j < (int)oldFormats.size(); ++j ) {
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if ( oldFormats[ j ].format() )
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oldFormats[ j ].format()->addRef();
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}
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}
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KoTextDocFormatCommand::~KoTextDocFormatCommand()
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{
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format->removeRef();
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for ( int j = 0; j < (int)oldFormats.size(); ++j ) {
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if ( oldFormats[ j ].format() )
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oldFormats[ j ].format()->removeRef();
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}
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}
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KoTextCursor *KoTextDocFormatCommand::execute( KoTextCursor *c )
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{
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KoTextParag *sp = doc->paragAt( startId );
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KoTextParag *ep = doc->paragAt( endId );
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if ( !sp || !ep )
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return c;
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KoTextCursor start( doc );
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start.setParag( sp );
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start.setIndex( startIndex );
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KoTextCursor end( doc );
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end.setParag( ep );
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end.setIndex( endIndex );
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doc->setSelectionStart( KoTextDocument::Temp, &start );
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doc->setSelectionEnd( KoTextDocument::Temp, &end );
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doc->setFormat( KoTextDocument::Temp, format, flags );
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doc->removeSelection( KoTextDocument::Temp );
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if ( endIndex == ep->length() ) // ### Not in TQRT - report sent. Description at http://bugs.kde.org/db/34/34556.html
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end.gotoLeft();
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*c = end;
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return c;
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}
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KoTextCursor *KoTextDocFormatCommand::unexecute( KoTextCursor *c )
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{
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KoTextParag *sp = doc->paragAt( startId );
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KoTextParag *ep = doc->paragAt( endId );
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if ( !sp || !ep )
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return 0;
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int idx = startIndex;
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int fIndex = 0;
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if( !oldFormats.isEmpty()) // ## not in TQRT. Not sure how it can happen.
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{
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for ( ;; ) {
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if ( oldFormats.at( fIndex ).c == '\n' ) {
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if ( idx > 0 ) {
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if ( idx < sp->length() && fIndex > 0 )
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sp->setFormat( idx, 1, oldFormats.at( fIndex - 1 ).format() );
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if ( sp == ep )
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break;
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sp = sp->next();
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idx = 0;
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}
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fIndex++;
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}
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if ( oldFormats.at( fIndex ).format() )
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sp->setFormat( idx, 1, oldFormats.at( fIndex ).format() );
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idx++;
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fIndex++;
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if ( fIndex >= (int)oldFormats.size() )
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break;
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if ( idx >= sp->length() ) {
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if ( sp == ep )
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break;
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sp = sp->next();
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idx = 0;
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}
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}
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}
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KoTextCursor end( doc );
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end.setParag( ep );
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end.setIndex( endIndex );
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if ( endIndex == ep->length() )
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end.gotoLeft();
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*c = end;
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return c;
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}
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KoTextAlignmentCommand::KoTextAlignmentCommand( KoTextDocument *d, int fParag, int lParag, int na, const TQMemArray<int> &oa )
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: KoTextDocCommand( d ), firstParag( fParag ), lastParag( lParag ), newAlign( na ), oldAligns( oa )
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{
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}
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KoTextCursor *KoTextAlignmentCommand::execute( KoTextCursor *c )
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{
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KoTextParag *p = doc->paragAt( firstParag );
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if ( !p )
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return c;
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while ( p ) {
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p->tqsetAlignment( newAlign );
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if ( p->paragId() == lastParag )
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break;
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p = p->next();
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}
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return c;
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}
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KoTextCursor *KoTextAlignmentCommand::unexecute( KoTextCursor *c )
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{
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KoTextParag *p = doc->paragAt( firstParag );
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if ( !p )
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return c;
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int i = 0;
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while ( p ) {
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if ( i < (int)oldAligns.size() )
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p->tqsetAlignment( oldAligns.at( i ) );
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if ( p->paragId() == lastParag )
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break;
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p = p->next();
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++i;
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}
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return c;
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}
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// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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KoTextCursor::KoTextCursor( KoTextDocument *d )
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: doc( d )
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{
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idx = 0;
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string = doc ? doc->firstParag() : 0;
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tmpIndex = -1;
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}
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KoTextCursor::KoTextCursor()
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{
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}
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KoTextCursor::KoTextCursor( const KoTextCursor &c )
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{
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doc = c.doc;
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idx = c.idx;
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string = c.string;
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tmpIndex = c.tmpIndex;
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}
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KoTextCursor &KoTextCursor::operator=( const KoTextCursor &c )
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{
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doc = c.doc;
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idx = c.idx;
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string = c.string;
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tmpIndex = c.tmpIndex;
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return *this;
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}
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bool KoTextCursor::operator==( const KoTextCursor &c ) const
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{
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return doc == c.doc && string == c.string && idx == c.idx;
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}
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void KoTextCursor::insert( const TQString &str, bool checkNewLine, TQMemArray<KoTextStringChar> *formatting )
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{
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string->tqinvalidate( idx );
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tmpIndex = -1;
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bool justInsert = TRUE;
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TQString s( str );
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#if defined(TQ_WS_WIN)
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if ( checkNewLine )
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s = s.replace( TQRegExp( "\\r" ), "" );
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#endif
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if ( checkNewLine )
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justInsert = s.find( '\n' ) == -1;
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if ( justInsert ) {
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string->insert( idx, s );
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if ( formatting ) {
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for ( int i = 0; i < (int)s.length(); ++i ) {
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if ( formatting->at( i ).format() ) {
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formatting->at( i ).format()->addRef();
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string->string()->setFormat( idx + i, formatting->at( i ).format(), TRUE );
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}
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}
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}
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idx += s.length();
|
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} else {
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TQStringList lst = TQStringList::split( '\n', s, TRUE );
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TQStringList::Iterator it = lst.begin();
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//int y = string->rect().y() + string->rect().height();
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int lastIndex = 0;
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KoTextFormat *lastFormat = 0;
|
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for ( ; it != lst.end(); ) {
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if ( it != lst.begin() ) {
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splitAndInsertEmptyParag( FALSE, TRUE );
|
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//string->setEndState( -1 );
|
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#if 0 // no!
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string->prev()->format( -1, FALSE );
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#endif
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if ( lastFormat && formatting && string->prev() ) {
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lastFormat->addRef();
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string->prev()->string()->setFormat( string->prev()->length() - 1, lastFormat, TRUE );
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}
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}
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lastFormat = 0;
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TQString s = *it;
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++it;
|
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if ( !s.isEmpty() )
|
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string->insert( idx, s );
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else
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string->tqinvalidate( 0 );
|
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|
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if ( formatting ) {
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int len = s.length();
|
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for ( int i = 0; i < len; ++i ) {
|
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if ( formatting->at( i + lastIndex ).format() ) {
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formatting->at( i + lastIndex ).format()->addRef();
|
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string->string()->setFormat( i + idx, formatting->at( i + lastIndex ).format(), TRUE );
|
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}
|
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}
|
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if ( it != lst.end() )
|
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lastFormat = formatting->at( len + lastIndex ).format();
|
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++len;
|
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lastIndex += len;
|
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}
|
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|
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idx += s.length();
|
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}
|
|
#if 0 //// useless and wrong. We'll format things and move them down correctly in KoTextObject::insert().
|
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string->format( -1, FALSE );
|
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int dy = string->rect().y() + string->rect().height() - y;
|
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#endif
|
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KoTextParag *p = string;
|
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p->setParagId( p->prev()->paragId() + 1 );
|
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p = p->next();
|
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while ( p ) {
|
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p->setParagId( p->prev()->paragId() + 1 );
|
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//p->move( dy );
|
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p->tqinvalidate( 0 );
|
|
p = p->next();
|
|
}
|
|
}
|
|
|
|
#if 0 //// useless and slow
|
|
int h = string->rect().height();
|
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string->format( -1, TRUE );
|
|
#endif
|
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fixCursorPosition();
|
|
}
|
|
|
|
void KoTextCursor::gotoLeft()
|
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{
|
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if ( string->string()->isRightToLeft() )
|
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gotoNextLetter();
|
|
else
|
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gotoPreviousLetter();
|
|
}
|
|
|
|
void KoTextCursor::gotoPreviousLetter()
|
|
{
|
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tmpIndex = -1;
|
|
|
|
if ( idx > 0 ) {
|
|
idx = string->string()->previousCursorPosition( idx );
|
|
} else if ( string->prev() ) {
|
|
string = string->prev();
|
|
while ( !string->isVisible() )
|
|
string = string->prev();
|
|
idx = string->length() - 1;
|
|
}
|
|
}
|
|
|
|
bool KoTextCursor::place( const TQPoint &p, KoTextParag *s, bool link, int *customItemIndex )
|
|
{
|
|
if ( customItemIndex )
|
|
*customItemIndex = -1;
|
|
TQPoint pos( p );
|
|
TQRect r;
|
|
if ( pos.y() < s->rect().y() )
|
|
pos.setY( s->rect().y() );
|
|
while ( s ) {
|
|
r = s->rect();
|
|
r.setWidth( doc ? doc->width() : TQWIDGETSIZE_MAX );
|
|
if ( !s->next() || ( pos.y() >= r.y() && pos.y() < s->next()->rect().y() ) )
|
|
break;
|
|
s = s->next();
|
|
}
|
|
|
|
if ( !s )
|
|
return FALSE;
|
|
|
|
setParag( s, FALSE );
|
|
int y = s->rect().y();
|
|
int lines = s->lines();
|
|
KoTextStringChar *chr = 0;
|
|
int index = 0;
|
|
int i = 0;
|
|
int cy = 0;
|
|
//int ch = 0;
|
|
for ( ; i < lines; ++i ) {
|
|
chr = s->lineStartOfLine( i, &index );
|
|
cy = s->lineY( i );
|
|
//ch = s->lineHeight( i );
|
|
if ( !chr )
|
|
return FALSE;
|
|
if ( i < lines - 1 && pos.y() >= y + cy && pos.y() <= y + s->lineY( i+1 ) )
|
|
break;
|
|
}
|
|
int nextLine;
|
|
if ( i < lines - 1 )
|
|
s->lineStartOfLine( i+1, &nextLine );
|
|
else
|
|
nextLine = s->length();
|
|
i = index;
|
|
int x = s->rect().x();
|
|
if ( pos.x() < x )
|
|
pos.setX( x + 1 );
|
|
int cw;
|
|
int curpos = s->length()-1;
|
|
int dist = 10000000;
|
|
while ( i < nextLine ) {
|
|
chr = s->at(i);
|
|
int cpos = x + chr->x;
|
|
cw = chr->width; //s->string()->width( i );
|
|
if ( chr->isCustom() ) {
|
|
if ( pos.x() >= cpos && pos.x() <= cpos + cw &&
|
|
pos.y() >= y + cy && pos.y() <= y + cy + chr->height() ) {
|
|
if ( customItemIndex )
|
|
*customItemIndex = i;
|
|
}
|
|
}
|
|
if( chr->rightToLeft )
|
|
cpos += cw;
|
|
int d = cpos - pos.x();
|
|
bool dm = d < 0 ? !chr->rightToLeft : chr->rightToLeft;
|
|
if ( (TQABS( d ) < dist || (dist == d && dm == TRUE )) && string->string()->validCursorPosition( i ) ) {
|
|
dist = TQABS( d );
|
|
if ( !link || pos.x() >= x + chr->x ) {
|
|
curpos = i;
|
|
}
|
|
}
|
|
i++;
|
|
}
|
|
setIndex( curpos, FALSE );
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
void KoTextCursor::gotoRight()
|
|
{
|
|
if ( string->string()->isRightToLeft() )
|
|
gotoPreviousLetter();
|
|
else
|
|
gotoNextLetter();
|
|
}
|
|
|
|
void KoTextCursor::gotoNextLetter()
|
|
{
|
|
tmpIndex = -1;
|
|
|
|
int len = string->length() - 1;
|
|
if ( idx < len ) {
|
|
idx = string->string()->nextCursorPosition( idx );
|
|
} else if ( string->next() ) {
|
|
string = string->next();
|
|
while ( !string->isVisible() )
|
|
string = string->next();
|
|
idx = 0;
|
|
}
|
|
}
|
|
|
|
void KoTextCursor::gotoUp()
|
|
{
|
|
int indexOfLineStart;
|
|
int line;
|
|
KoTextStringChar *c = string->lineStartOfChar( idx, &indexOfLineStart, &line );
|
|
if ( !c )
|
|
return;
|
|
|
|
tmpIndex = TQMAX( tmpIndex, idx - indexOfLineStart );
|
|
if ( indexOfLineStart == 0 ) {
|
|
if ( !string->prev() ) {
|
|
return;
|
|
}
|
|
string = string->prev();
|
|
while ( !string->isVisible() )
|
|
string = string->prev();
|
|
int lastLine = string->lines() - 1;
|
|
if ( !string->lineStartOfLine( lastLine, &indexOfLineStart ) )
|
|
return;
|
|
if ( indexOfLineStart + tmpIndex < string->length() )
|
|
idx = indexOfLineStart + tmpIndex;
|
|
else
|
|
idx = string->length() - 1;
|
|
} else {
|
|
--line;
|
|
int oldIndexOfLineStart = indexOfLineStart;
|
|
if ( !string->lineStartOfLine( line, &indexOfLineStart ) )
|
|
return;
|
|
if ( indexOfLineStart + tmpIndex < oldIndexOfLineStart )
|
|
idx = indexOfLineStart + tmpIndex;
|
|
else
|
|
idx = oldIndexOfLineStart - 1;
|
|
}
|
|
fixCursorPosition();
|
|
}
|
|
|
|
void KoTextCursor::gotoDown()
|
|
{
|
|
int indexOfLineStart;
|
|
int line;
|
|
KoTextStringChar *c = string->lineStartOfChar( idx, &indexOfLineStart, &line );
|
|
if ( !c )
|
|
return;
|
|
|
|
tmpIndex = TQMAX( tmpIndex, idx - indexOfLineStart );
|
|
if ( line == string->lines() - 1 ) {
|
|
if ( !string->next() ) {
|
|
return;
|
|
}
|
|
string = string->next();
|
|
while ( !string->isVisible() )
|
|
string = string->next();
|
|
if ( !string->lineStartOfLine( 0, &indexOfLineStart ) )
|
|
return;
|
|
int end;
|
|
if ( string->lines() == 1 )
|
|
end = string->length();
|
|
else
|
|
string->lineStartOfLine( 1, &end );
|
|
if ( indexOfLineStart + tmpIndex < end )
|
|
idx = indexOfLineStart + tmpIndex;
|
|
else
|
|
idx = end - 1;
|
|
} else {
|
|
++line;
|
|
int end;
|
|
if ( line == string->lines() - 1 )
|
|
end = string->length();
|
|
else
|
|
string->lineStartOfLine( line + 1, &end );
|
|
if ( !string->lineStartOfLine( line, &indexOfLineStart ) )
|
|
return;
|
|
if ( indexOfLineStart + tmpIndex < end )
|
|
idx = indexOfLineStart + tmpIndex;
|
|
else
|
|
idx = end - 1;
|
|
}
|
|
fixCursorPosition();
|
|
}
|
|
|
|
void KoTextCursor::gotoLineEnd()
|
|
{
|
|
tmpIndex = -1;
|
|
int indexOfLineStart;
|
|
int line;
|
|
KoTextStringChar *c = string->lineStartOfChar( idx, &indexOfLineStart, &line );
|
|
if ( !c )
|
|
return;
|
|
|
|
if ( line == string->lines() - 1 ) {
|
|
idx = string->length() - 1;
|
|
} else {
|
|
c = string->lineStartOfLine( ++line, &indexOfLineStart );
|
|
indexOfLineStart--;
|
|
idx = indexOfLineStart;
|
|
}
|
|
}
|
|
|
|
void KoTextCursor::gotoLineStart()
|
|
{
|
|
tmpIndex = -1;
|
|
int indexOfLineStart;
|
|
int line;
|
|
KoTextStringChar *c = string->lineStartOfChar( idx, &indexOfLineStart, &line );
|
|
if ( !c )
|
|
return;
|
|
|
|
idx = indexOfLineStart;
|
|
}
|
|
|
|
void KoTextCursor::gotoHome()
|
|
{
|
|
tmpIndex = -1;
|
|
if ( doc )
|
|
string = doc->firstParag();
|
|
idx = 0;
|
|
}
|
|
|
|
void KoTextCursor::gotoEnd()
|
|
{
|
|
// This can happen in a no-auto-resize frame with overflowing contents.
|
|
// Don't prevent going to the end of the text, even if it's not visible.
|
|
//if ( doc && !doc->lastParag()->isValid() )
|
|
//{
|
|
// kdDebug(32500) << "Last parag, " << doc->lastParag()->paragId() << ", is invalid - aborting gotoEnd() !" << endl;
|
|
// return;
|
|
// }
|
|
|
|
tmpIndex = -1;
|
|
if ( doc )
|
|
string = doc->lastParag();
|
|
idx = string->length() - 1;
|
|
}
|
|
|
|
void KoTextCursor::gotoPageUp( int visibleHeight )
|
|
{
|
|
tmpIndex = -1;
|
|
KoTextParag *s = string;
|
|
int h = visibleHeight;
|
|
int y = s->rect().y();
|
|
while ( s ) {
|
|
if ( y - s->rect().y() >= h )
|
|
break;
|
|
s = s->prev();
|
|
}
|
|
|
|
if ( !s && doc )
|
|
s = doc->firstParag();
|
|
|
|
string = s;
|
|
idx = 0;
|
|
}
|
|
|
|
void KoTextCursor::gotoPageDown( int visibleHeight )
|
|
{
|
|
tmpIndex = -1;
|
|
KoTextParag *s = string;
|
|
int h = visibleHeight;
|
|
int y = s->rect().y();
|
|
while ( s ) {
|
|
if ( s->rect().y() - y >= h )
|
|
break;
|
|
s = s->next();
|
|
}
|
|
|
|
if ( !s && doc ) {
|
|
s = doc->lastParag();
|
|
string = s;
|
|
idx = string->length() - 1;
|
|
return;
|
|
}
|
|
|
|
if ( !s->isValid() )
|
|
return;
|
|
|
|
string = s;
|
|
idx = 0;
|
|
}
|
|
|
|
void KoTextCursor::gotoWordRight()
|
|
{
|
|
if ( string->string()->isRightToLeft() )
|
|
gotoPreviousWord();
|
|
else
|
|
gotoNextWord();
|
|
}
|
|
|
|
void KoTextCursor::gotoWordLeft()
|
|
{
|
|
if ( string->string()->isRightToLeft() )
|
|
gotoNextWord();
|
|
else
|
|
gotoPreviousWord();
|
|
}
|
|
|
|
void KoTextCursor::gotoPreviousWord()
|
|
{
|
|
gotoPreviousLetter();
|
|
tmpIndex = -1;
|
|
KoTextString *s = string->string();
|
|
bool allowSame = FALSE;
|
|
if ( idx == ( (int)s->length()-1 ) )
|
|
return;
|
|
for ( int i = idx; i >= 0; --i ) {
|
|
if ( s->at( i ).c.isSpace() || s->at( i ).c == '\t' || s->at( i ).c == '.' ||
|
|
s->at( i ).c == ',' || s->at( i ).c == ':' || s->at( i ).c == ';' ) {
|
|
if ( !allowSame )
|
|
continue;
|
|
idx = i + 1;
|
|
return;
|
|
}
|
|
if ( !allowSame && !( s->at( i ).c.isSpace() || s->at( i ).c == '\t' || s->at( i ).c == '.' ||
|
|
s->at( i ).c == ',' || s->at( i ).c == ':' || s->at( i ).c == ';' ) )
|
|
allowSame = TRUE;
|
|
}
|
|
idx = 0;
|
|
}
|
|
|
|
void KoTextCursor::gotoNextWord()
|
|
{
|
|
tmpIndex = -1;
|
|
KoTextString *s = string->string();
|
|
bool allowSame = FALSE;
|
|
for ( int i = idx; i < (int)s->length(); ++i ) {
|
|
if ( ! ( s->at( i ).c.isSpace() || s->at( i ).c == '\t' || s->at( i ).c == '.' ||
|
|
s->at( i ).c == ',' || s->at( i ).c == ':' || s->at( i ).c == ';' ) ) {
|
|
if ( !allowSame )
|
|
continue;
|
|
idx = i;
|
|
return;
|
|
}
|
|
if ( !allowSame && ( s->at( i ).c.isSpace() || s->at( i ).c == '\t' || s->at( i ).c == '.' ||
|
|
s->at( i ).c == ',' || s->at( i ).c == ':' || s->at( i ).c == ';' ) )
|
|
allowSame = TRUE;
|
|
}
|
|
|
|
if ( idx < ((int)s->length()-1) ) {
|
|
gotoLineEnd();
|
|
} else if ( string->next() ) {
|
|
string = string->next();
|
|
while ( !string->isVisible() )
|
|
string = string->next();
|
|
idx = 0;
|
|
} else {
|
|
gotoLineEnd();
|
|
}
|
|
}
|
|
|
|
bool KoTextCursor::atParagStart() const
|
|
{
|
|
return idx == 0;
|
|
}
|
|
|
|
bool KoTextCursor::atParagEnd() const
|
|
{
|
|
return idx == string->length() - 1;
|
|
}
|
|
|
|
void KoTextCursor::splitAndInsertEmptyParag( bool ind, bool updateIds )
|
|
{
|
|
if ( !doc )
|
|
return;
|
|
tmpIndex = -1;
|
|
KoTextFormat *f = 0;
|
|
if ( doc->useFormatCollection() ) {
|
|
f = string->at( idx )->format();
|
|
if ( idx == string->length() - 1 && idx > 0 )
|
|
f = string->at( idx - 1 )->format();
|
|
if ( f->isMisspelled() ) {
|
|
KoTextFormat fNoMisspelled( *f );
|
|
fNoMisspelled.setMisspelled( false );
|
|
f = doc->formatCollection()->format( &fNoMisspelled );
|
|
}
|
|
}
|
|
|
|
if ( atParagEnd() ) {
|
|
KoTextParag *n = string->next();
|
|
KoTextParag *s = doc->createParag( doc, string, n, updateIds );
|
|
if ( f )
|
|
s->setFormat( 0, 1, f, TRUE );
|
|
s->copyParagData( string );
|
|
#if 0
|
|
if ( ind ) {
|
|
int oi, ni;
|
|
s->indent( &oi, &ni );
|
|
string = s;
|
|
idx = ni;
|
|
} else
|
|
#endif
|
|
{
|
|
string = s;
|
|
idx = 0;
|
|
}
|
|
} else if ( atParagStart() ) {
|
|
KoTextParag *p = string->prev();
|
|
KoTextParag *s = doc->createParag( doc, p, string, updateIds );
|
|
if ( f )
|
|
s->setFormat( 0, 1, f, TRUE );
|
|
s->copyParagData( string );
|
|
if ( ind ) {
|
|
//s->indent();
|
|
s->format();
|
|
//indent();
|
|
string->format();
|
|
}
|
|
} else {
|
|
TQString str = string->string()->toString().mid( idx, 0xFFFFFF );
|
|
KoTextParag *n = string->next();
|
|
KoTextParag *s = doc->createParag( doc, string, n, updateIds );
|
|
s->copyParagData( string );
|
|
s->remove( 0, 1 );
|
|
s->append( str, TRUE );
|
|
for ( uint i = 0; i < str.length(); ++i ) {
|
|
KoTextStringChar* tsc = string->at( idx + i );
|
|
s->setFormat( i, 1, tsc->format(), TRUE );
|
|
if ( tsc->isCustom() ) {
|
|
KoTextCustomItem * item = tsc->customItem();
|
|
s->at( i )->setCustomItem( item );
|
|
tsc->loseCustomItem();
|
|
#if 0
|
|
s->addCustomItem();
|
|
string->removeCustomItem();
|
|
#endif
|
|
doc->unregisterCustomItem( item, string );
|
|
doc->registerCustomItem( item, s );
|
|
}
|
|
}
|
|
string->truncate( idx );
|
|
#if 0
|
|
if ( ind ) {
|
|
int oi, ni;
|
|
s->indent( &oi, &ni );
|
|
string = s;
|
|
idx = ni;
|
|
} else
|
|
#endif
|
|
{
|
|
string = s;
|
|
idx = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool KoTextCursor::removePreviousChar()
|
|
{
|
|
tmpIndex = -1;
|
|
if ( !atParagStart() ) {
|
|
string->remove( idx-1, 1 );
|
|
idx--;
|
|
// shouldn't be needed, just to make sure.
|
|
fixCursorPosition();
|
|
string->format( -1, TRUE );
|
|
//else if ( string->document() && string->document()->parent() )
|
|
// string->document()->nextDoubleBuffered = TRUE;
|
|
return FALSE;
|
|
} else if ( string->prev() ) {
|
|
string = string->prev();
|
|
string->join( string->next() );
|
|
string->invalidateCounters();
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
bool KoTextCursor::remove()
|
|
{
|
|
tmpIndex = -1;
|
|
if ( !atParagEnd() ) {
|
|
int next = string->string()->nextCursorPosition( idx );
|
|
string->remove( idx, next-idx );
|
|
string->format( -1, TRUE );
|
|
//else if ( doc && doc->parent() )
|
|
// doc->nextDoubleBuffered = TRUE;
|
|
return FALSE;
|
|
} else if ( string->next() ) {
|
|
if ( string->length() == 1 ) {
|
|
string->next()->setPrev( string->prev() );
|
|
if ( string->prev() )
|
|
string->prev()->setNext( string->next() );
|
|
KoTextParag *p = string->next();
|
|
delete string;
|
|
string = p;
|
|
string->tqinvalidate( 0 );
|
|
//// kotext
|
|
string->invalidateCounters();
|
|
////
|
|
KoTextParag *s = string;
|
|
while ( s ) {
|
|
s->id = s->p ? s->p->id + 1 : 0;
|
|
//s->state = -1;
|
|
//s->needPreProcess = TRUE;
|
|
s->changed = TRUE;
|
|
s = s->n;
|
|
}
|
|
string->format();
|
|
} else {
|
|
string->join( string->next() );
|
|
}
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
void KoTextCursor::killLine()
|
|
{
|
|
if ( atParagEnd() )
|
|
return;
|
|
string->remove( idx, string->length() - idx - 1 );
|
|
string->format( -1, TRUE );
|
|
//else if ( doc && doc->parent() )
|
|
//doc->nextDoubleBuffered = TRUE;
|
|
}
|
|
|
|
#if 0
|
|
void KoTextCursor::indent()
|
|
{
|
|
int oi = 0, ni = 0;
|
|
string->indent( &oi, &ni );
|
|
if ( oi == ni )
|
|
return;
|
|
|
|
if ( idx >= oi )
|
|
idx += ni - oi;
|
|
else
|
|
idx = ni;
|
|
}
|
|
#endif
|
|
|
|
void KoTextCursor::setDocument( KoTextDocument *d )
|
|
{
|
|
doc = d;
|
|
string = d->firstParag();
|
|
idx = 0;
|
|
tmpIndex = -1;
|
|
}
|
|
|
|
|
|
int KoTextCursor::x() const
|
|
{
|
|
KoTextStringChar *c = string->at( idx );
|
|
int curx = c->x;
|
|
if ( c->rightToLeft )
|
|
curx += c->width; //string->string()->width( idx );
|
|
return curx;
|
|
}
|
|
|
|
int KoTextCursor::y() const
|
|
{
|
|
int dummy, line;
|
|
string->lineStartOfChar( idx, &dummy, &line );
|
|
return string->lineY( line );
|
|
}
|
|
|
|
|
|
void KoTextCursor::fixCursorPosition()
|
|
{
|
|
// searches for the closest valid cursor position
|
|
if ( string->string()->validCursorPosition( idx ) )
|
|
return;
|
|
|
|
int lineIdx;
|
|
KoTextStringChar *start = string->lineStartOfChar( idx, &lineIdx, 0 );
|
|
int x = string->string()->at( idx ).x;
|
|
int diff = TQABS(start->x - x);
|
|
int best = lineIdx;
|
|
|
|
KoTextStringChar *c = start;
|
|
++c;
|
|
|
|
KoTextStringChar *end = &string->string()->at( string->length()-1 );
|
|
while ( c <= end && !c->lineStart ) {
|
|
int xp = c->x;
|
|
if ( c->rightToLeft )
|
|
xp += c->pixelwidth; //string->string()->width( lineIdx + (c-start) );
|
|
int ndiff = TQABS(xp - x);
|
|
if ( ndiff < diff && string->string()->validCursorPosition(lineIdx + (c-start)) ) {
|
|
diff = ndiff;
|
|
best = lineIdx + (c-start);
|
|
}
|
|
++c;
|
|
}
|
|
idx = best;
|
|
}
|
|
|
|
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
|
|
|
|
KoTextString::KoTextString()
|
|
{
|
|
bidiDirty = TRUE;
|
|
bNeedsSpellCheck = true;
|
|
bidi = FALSE;
|
|
rightToLeft = FALSE;
|
|
dir = TQChar::DirON;
|
|
}
|
|
|
|
KoTextString::KoTextString( const KoTextString &s )
|
|
{
|
|
bidiDirty = s.bidiDirty;
|
|
bNeedsSpellCheck = s.bNeedsSpellCheck;
|
|
bidi = s.bidi;
|
|
rightToLeft = s.rightToLeft;
|
|
dir = s.dir;
|
|
data = s.data;
|
|
data.detach();
|
|
for ( int i = 0; i < (int)data.size(); ++i ) {
|
|
KoTextFormat *f = data[i].format();
|
|
if ( f )
|
|
f->addRef();
|
|
}
|
|
}
|
|
|
|
void KoTextString::insert( int index, const TQString &s, KoTextFormat *f )
|
|
{
|
|
int os = data.size();
|
|
data.resize( data.size() + s.length() );
|
|
if ( index < os ) {
|
|
memmove( data.data() + index + s.length(), data.data() + index,
|
|
sizeof( KoTextStringChar ) * ( os - index ) );
|
|
}
|
|
for ( int i = 0; i < (int)s.length(); ++i ) {
|
|
KoTextStringChar &ch = data[ (int)index + i ];
|
|
ch.x = 0;
|
|
ch.pixelxadj = 0;
|
|
ch.pixelwidth = 0;
|
|
ch.width = 0;
|
|
ch.lineStart = 0;
|
|
ch.d.format = 0;
|
|
ch.type = KoTextStringChar::Regular;
|
|
ch.rightToLeft = 0;
|
|
ch.startOfRun = 0;
|
|
ch.c = s[ i ];
|
|
#ifdef DEBUG_COLLECTION
|
|
kdDebug(32500) << "KoTextString::insert setting format " << f << " to character " << (int)index+i << endl;
|
|
#endif
|
|
ch.setFormat( f );
|
|
}
|
|
bidiDirty = TRUE;
|
|
bNeedsSpellCheck = true;
|
|
}
|
|
|
|
KoTextString::~KoTextString()
|
|
{
|
|
clear();
|
|
}
|
|
|
|
void KoTextString::insert( int index, KoTextStringChar *c )
|
|
{
|
|
int os = data.size();
|
|
data.resize( data.size() + 1 );
|
|
if ( index < os ) {
|
|
memmove( data.data() + index + 1, data.data() + index,
|
|
sizeof( KoTextStringChar ) * ( os - index ) );
|
|
}
|
|
KoTextStringChar &ch = data[ (int)index ];
|
|
ch.c = c->c;
|
|
ch.x = 0;
|
|
ch.pixelxadj = 0;
|
|
ch.pixelwidth = 0;
|
|
ch.width = 0;
|
|
ch.lineStart = 0;
|
|
ch.rightToLeft = 0;
|
|
ch.d.format = 0;
|
|
ch.type = KoTextStringChar::Regular;
|
|
ch.setFormat( c->format() );
|
|
bidiDirty = TRUE;
|
|
bNeedsSpellCheck = true;
|
|
}
|
|
|
|
void KoTextString::truncate( int index )
|
|
{
|
|
index = TQMAX( index, 0 );
|
|
index = TQMIN( index, (int)data.size() - 1 );
|
|
if ( index < (int)data.size() ) {
|
|
for ( int i = index + 1; i < (int)data.size(); ++i ) {
|
|
KoTextStringChar &ch = data[ i ];
|
|
if ( ch.isCustom() ) {
|
|
delete ch.customItem();
|
|
if ( ch.d.custom->format )
|
|
ch.d.custom->format->removeRef();
|
|
delete ch.d.custom;
|
|
ch.d.custom = 0;
|
|
} else if ( ch.format() ) {
|
|
ch.format()->removeRef();
|
|
}
|
|
}
|
|
}
|
|
data.truncate( index );
|
|
bidiDirty = TRUE;
|
|
bNeedsSpellCheck = true;
|
|
}
|
|
|
|
void KoTextString::remove( int index, int len )
|
|
{
|
|
for ( int i = index; i < (int)data.size() && i - index < len; ++i ) {
|
|
KoTextStringChar &ch = data[ i ];
|
|
if ( ch.isCustom() ) {
|
|
delete ch.customItem();
|
|
if ( ch.d.custom->format )
|
|
ch.d.custom->format->removeRef();
|
|
delete ch.d.custom;
|
|
ch.d.custom = 0;
|
|
} else if ( ch.format() ) {
|
|
ch.format()->removeRef();
|
|
}
|
|
}
|
|
memmove( data.data() + index, data.data() + index + len,
|
|
sizeof( KoTextStringChar ) * ( data.size() - index - len ) );
|
|
data.resize( data.size() - len, TQGArray::SpeedOptim );
|
|
bidiDirty = TRUE;
|
|
bNeedsSpellCheck = true;
|
|
}
|
|
|
|
void KoTextString::clear()
|
|
{
|
|
for ( int i = 0; i < (int)data.count(); ++i ) {
|
|
KoTextStringChar &ch = data[ i ];
|
|
if ( ch.isCustom() ) {
|
|
// Can't do that here, no access to the doc. See ~KoTextParag instead.
|
|
// However clear() is also called by operator=, many times in kotextobject.cc...
|
|
// Hopefully not with customitems in there...
|
|
//if ( doc )
|
|
// doc->unregisterCustomItem( ch->customItem(), this );
|
|
|
|
delete ch.customItem();
|
|
if ( ch.d.custom->format )
|
|
ch.d.custom->format->removeRef();
|
|
delete ch.d.custom;
|
|
ch.d.custom = 0;
|
|
|
|
} else if ( ch.format() ) {
|
|
ch.format()->removeRef();
|
|
}
|
|
}
|
|
data.resize( 0 );
|
|
}
|
|
|
|
void KoTextString::setFormat( int index, KoTextFormat *f, bool useCollection, bool setFormatAgain )
|
|
{
|
|
KoTextStringChar &ch = data[ index ];
|
|
// kdDebug(32500) << "KoTextString::setFormat index=" << index << " f=" << f << endl;
|
|
if ( useCollection && ch.format() )
|
|
{
|
|
//kdDebug(32500) << "KoTextString::setFormat removing ref on old format " << ch.format() << endl;
|
|
ch.format()->removeRef();
|
|
}
|
|
ch.setFormat( f, setFormatAgain );
|
|
}
|
|
|
|
void KoTextString::checkBidi() const
|
|
{
|
|
KoTextString *that = (KoTextString *)this;
|
|
that->bidiDirty = FALSE;
|
|
int length = data.size();
|
|
if ( !length ) {
|
|
that->bidi = FALSE;
|
|
that->rightToLeft = dir == TQChar::DirR;
|
|
return;
|
|
}
|
|
const KoTextStringChar *start = data.data();
|
|
const KoTextStringChar *end = start + length;
|
|
|
|
// determines the properties we need for layouting
|
|
#ifdef USE_QT4
|
|
#warning "KoTextString::checkBidi() for Qt4 partially implemented"
|
|
printf("[WARNING] KoTextString::checkBidi() partially implemented\n\r");
|
|
fflush(stdout);
|
|
#else
|
|
TQTextEngine textEngine( toString(), 0 );
|
|
textEngine.direction = (TQChar::Direction) dir;
|
|
textEngine.itemize(TQTextEngine::SingleLine);
|
|
const TQCharAttributes *ca = textEngine.attributes() + length-1;
|
|
KoTextStringChar *ch = (KoTextStringChar *)end - 1;
|
|
TQScriptItem *item = &textEngine.items[textEngine.items.size()-1];
|
|
unsigned char bidiLevel = item->analysis.bidiLevel;
|
|
if ( bidiLevel )
|
|
that->bidi = TRUE;
|
|
int pos = length-1;
|
|
while ( ch >= start ) {
|
|
if ( item->position > pos ) {
|
|
--item;
|
|
Q_ASSERT( item >= &textEngine.items[0] );
|
|
Q_ASSERT( item < &textEngine.items[textEngine.items.size()] );
|
|
bidiLevel = item->analysis.bidiLevel;
|
|
if ( bidiLevel )
|
|
that->bidi = TRUE;
|
|
}
|
|
ch->softBreak = ca->softBreak;
|
|
ch->whiteSpace = ca->whiteSpace;
|
|
ch->charStop = ca->charStop;
|
|
ch->wordStop = ca->wordStop;
|
|
//ch->bidiLevel = bidiLevel;
|
|
ch->rightToLeft = (bidiLevel%2);
|
|
--ch;
|
|
--ca;
|
|
--pos;
|
|
}
|
|
|
|
if ( dir == TQChar::DirR ) {
|
|
that->bidi = TRUE;
|
|
that->rightToLeft = TRUE;
|
|
} else if ( dir == TQChar::DirL ) {
|
|
that->rightToLeft = FALSE;
|
|
} else {
|
|
that->rightToLeft = (textEngine.direction == TQChar::DirR);
|
|
}
|
|
#endif // USE_QT4
|
|
}
|
|
|
|
TQMemArray<KoTextStringChar> KoTextString::subString( int start, int len ) const
|
|
{
|
|
if ( len == 0xFFFFFF )
|
|
len = data.size();
|
|
TQMemArray<KoTextStringChar> a;
|
|
a.resize( len );
|
|
for ( int i = 0; i < len; ++i ) {
|
|
KoTextStringChar *c = &data[ i + start ];
|
|
a[ i ].c = c->c;
|
|
a[ i ].x = 0;
|
|
a[ i ].pixelxadj = 0;
|
|
a[ i ].pixelwidth = 0;
|
|
a[ i ].width = 0;
|
|
a[ i ].lineStart = 0;
|
|
a[ i ].rightToLeft = 0;
|
|
a[ i ].d.format = 0;
|
|
a[ i ].type = KoTextStringChar::Regular;
|
|
a[ i ].setFormat( c->format() );
|
|
if ( c->format() )
|
|
c->format()->addRef();
|
|
}
|
|
return a;
|
|
}
|
|
|
|
TQString KoTextString::mid( int start, int len ) const
|
|
{
|
|
if ( len == 0xFFFFFF )
|
|
len = data.size();
|
|
TQString res;
|
|
res.setLength( len );
|
|
for ( int i = 0; i < len; ++i ) {
|
|
KoTextStringChar *c = &data[ i + start ];
|
|
res[ i ] = c->c;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
TQString KoTextString::toString( const TQMemArray<KoTextStringChar> &data )
|
|
{
|
|
TQString s;
|
|
int l = data.size();
|
|
s.setUnicode( 0, l );
|
|
KoTextStringChar *c = data.data();
|
|
TQChar *uc = (TQChar *)s.tqunicode();
|
|
while ( l-- ) {
|
|
*uc = c->c;
|
|
uc++;
|
|
c++;
|
|
}
|
|
|
|
return s;
|
|
}
|
|
|
|
TQString KoTextString::toReverseString() const
|
|
{
|
|
TQString s;
|
|
int l = length();
|
|
s.setUnicode(0, l);
|
|
KoTextStringChar *c = data.data() + (l-1);
|
|
TQChar *uc = (TQChar *)s.tqunicode();
|
|
while ( l-- ) {
|
|
*uc = c->c;
|
|
uc++;
|
|
c--;
|
|
}
|
|
|
|
return s;
|
|
}
|
|
|
|
TQString KoTextString::stringToSpellCheck()
|
|
{
|
|
if ( !bNeedsSpellCheck )
|
|
return TQString();
|
|
|
|
bNeedsSpellCheck = false;
|
|
if ( length() <= 1 )
|
|
return TQString();
|
|
|
|
TQString str = toString();
|
|
str.truncate( str.length() - 1 ); // remove trailing space
|
|
return str;
|
|
}
|
|
|
|
int KoTextString::nextCursorPosition( int next )
|
|
{
|
|
if ( bidiDirty )
|
|
checkBidi();
|
|
|
|
const KoTextStringChar *c = data.data();
|
|
int len = length();
|
|
|
|
if ( next < len - 1 ) {
|
|
next++;
|
|
while ( next < len - 1 && !c[next].charStop )
|
|
next++;
|
|
}
|
|
return next;
|
|
}
|
|
|
|
int KoTextString::previousCursorPosition( int prev )
|
|
{
|
|
if ( bidiDirty )
|
|
checkBidi();
|
|
|
|
const KoTextStringChar *c = data.data();
|
|
|
|
if ( prev ) {
|
|
prev--;
|
|
while ( prev && !c[prev].charStop )
|
|
prev--;
|
|
}
|
|
return prev;
|
|
}
|
|
|
|
bool KoTextString::validCursorPosition( int idx )
|
|
{
|
|
if ( bidiDirty )
|
|
checkBidi();
|
|
|
|
return (at( idx ).charStop);
|
|
}
|
|
|
|
////
|
|
|
|
void KoTextStringChar::setFormat( KoTextFormat *f, bool setFormatAgain )
|
|
{
|
|
if ( type == Regular ) {
|
|
d.format = f;
|
|
} else {
|
|
if ( !d.custom ) {
|
|
d.custom = new CustomData;
|
|
d.custom->custom = 0;
|
|
}
|
|
d.custom->format = f;
|
|
if ( d.custom->custom && setFormatAgain )
|
|
d.custom->custom->setFormat( f );
|
|
}
|
|
}
|
|
|
|
void KoTextStringChar::setCustomItem( KoTextCustomItem *i )
|
|
{
|
|
if ( type == Regular ) {
|
|
KoTextFormat *f = format();
|
|
d.custom = new CustomData;
|
|
d.custom->format = f;
|
|
type = Custom;
|
|
} else {
|
|
delete d.custom->custom;
|
|
}
|
|
d.custom->custom = i;
|
|
}
|
|
|
|
void KoTextStringChar::loseCustomItem() // setRegular() might be a better name
|
|
{
|
|
if ( isCustom() ) {
|
|
KoTextFormat *f = d.custom->format;
|
|
d.custom->custom = 0;
|
|
delete d.custom;
|
|
type = Regular;
|
|
d.format = f;
|
|
}
|
|
}
|
|
|
|
KoTextStringChar::~KoTextStringChar()
|
|
{
|
|
if ( format() )
|
|
format()->removeRef();
|
|
switch ( type ) {
|
|
case Custom:
|
|
delete d.custom; break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
int KoTextStringChar::height() const
|
|
{
|
|
return !isCustom() ? format()->height() : ( customItem()->placement() == KoTextCustomItem::PlaceInline ? customItem()->height : 0 );
|
|
}
|
|
|
|
int KoTextStringChar::ascent() const
|
|
{
|
|
return !isCustom() ? format()->ascent() : ( customItem()->placement() == KoTextCustomItem::PlaceInline ? customItem()->ascent() : 0 );
|
|
}
|
|
|
|
int KoTextStringChar::descent() const
|
|
{
|
|
return !isCustom() ? format()->descent() : 0;
|
|
}
|
|
|
|
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
|
|
|
|
KoTextFormatterBase::KoTextFormatterBase()
|
|
: wrapColumn( -1 ), //wrapEnabled( TRUE ),
|
|
m_bViewFormattingChars( false ),
|
|
biw( true /*default in kotext*/ )
|
|
{
|
|
}
|
|
|
|
#ifdef BIDI_DEBUG
|
|
#include <iostream>
|
|
#endif
|
|
|
|
// collects one line of the paragraph and transforms it to visual order
|
|
KoTextParagLineStart *KoTextFormatterBase::bidiReorderLine( KoTextParag * /*parag*/, KoTextString *text, KoTextParagLineStart *line,
|
|
KoTextStringChar *startChar, KoTextStringChar *lastChar, int align, int space )
|
|
{
|
|
int start = (startChar - &text->at(0));
|
|
int last = (lastChar - &text->at(0) );
|
|
//kdDebug(32500) << "doing BiDi reordering from " << start << " to " << last << "!" << endl;
|
|
|
|
KoBidiControl *control = new KoBidiControl( line->context(), line->status );
|
|
TQString str;
|
|
str.setUnicode( 0, last - start + 1 );
|
|
// fill string with logically ordered chars.
|
|
KoTextStringChar *ch = startChar;
|
|
TQChar *qch = (TQChar *)str.tqunicode();
|
|
while ( ch <= lastChar ) {
|
|
*qch = ch->c;
|
|
qch++;
|
|
ch++;
|
|
}
|
|
int x = startChar->x;
|
|
|
|
TQPtrList<KoTextRun> *runs;
|
|
runs = KoComplexText::bidiReorderLine(control, str, 0, last - start + 1,
|
|
(text->isRightToLeft() ? TQChar::DirR : TQChar::DirL) );
|
|
|
|
// now construct the reordered string out of the runs...
|
|
|
|
int numSpaces = 0;
|
|
// set the correct tqalignment. This is a bit messy....
|
|
if( align == TQt::AlignAuto ) {
|
|
// align according to directionality of the paragraph...
|
|
if ( text->isRightToLeft() )
|
|
align = TQt::AlignRight;
|
|
}
|
|
|
|
if ( align & TQt::AlignHCenter )
|
|
x += space/2;
|
|
else if ( align & TQt::AlignRight )
|
|
x += space;
|
|
else if ( align & TQt::AlignJustify ) {
|
|
for ( int j = start; j < last; ++j ) {
|
|
if( isBreakable( text, j ) ) {
|
|
numSpaces++;
|
|
}
|
|
}
|
|
}
|
|
int toAdd = 0;
|
|
bool first = TRUE;
|
|
KoTextRun *r = runs->first();
|
|
int xmax = -0xffffff;
|
|
while ( r ) {
|
|
if(r->level %2) {
|
|
// odd level, need to reverse the string
|
|
int pos = r->stop + start;
|
|
while(pos >= r->start + start) {
|
|
KoTextStringChar *c = &text->at(pos);
|
|
if( numSpaces && !first && isBreakable( text, pos ) ) {
|
|
int s = space / numSpaces;
|
|
toAdd += s;
|
|
space -= s;
|
|
numSpaces--;
|
|
} else if ( first ) {
|
|
first = FALSE;
|
|
if ( c->c == ' ' )
|
|
x -= c->format()->width( ' ' );
|
|
}
|
|
c->x = x + toAdd;
|
|
c->rightToLeft = TRUE;
|
|
c->startOfRun = FALSE;
|
|
int ww = 0;
|
|
if ( c->c.tqunicode() >= 32 || c->c == '\t' || c->c == '\n' || c->isCustom() ) {
|
|
ww = c->width;
|
|
} else {
|
|
ww = c->format()->width( ' ' );
|
|
}
|
|
if ( xmax < x + toAdd + ww ) xmax = x + toAdd + ww;
|
|
x += ww;
|
|
pos--;
|
|
}
|
|
} else {
|
|
int pos = r->start + start;
|
|
while(pos <= r->stop + start) {
|
|
KoTextStringChar* c = &text->at(pos);
|
|
if( numSpaces && !first && isBreakable( text, pos ) ) {
|
|
int s = space / numSpaces;
|
|
toAdd += s;
|
|
space -= s;
|
|
numSpaces--;
|
|
} else if ( first ) {
|
|
first = FALSE;
|
|
if ( c->c == ' ' )
|
|
x -= c->format()->width( ' ' );
|
|
}
|
|
c->x = x + toAdd;
|
|
c->rightToLeft = FALSE;
|
|
c->startOfRun = FALSE;
|
|
int ww = 0;
|
|
if ( c->c.tqunicode() >= 32 || c->c == '\t' || c->isCustom() ) {
|
|
ww = c->width;
|
|
} else {
|
|
ww = c->format()->width( ' ' );
|
|
}
|
|
//kdDebug(32500) << "setting char " << pos << " at pos " << x << endl;
|
|
if ( xmax < x + toAdd + ww ) xmax = x + toAdd + ww;
|
|
x += ww;
|
|
pos++;
|
|
}
|
|
}
|
|
text->at( r->start + start ).startOfRun = TRUE;
|
|
r = runs->next();
|
|
}
|
|
|
|
line->w = xmax + 10;
|
|
KoTextParagLineStart *ls = new KoTextParagLineStart( control->context, control->status );
|
|
delete control;
|
|
delete runs;
|
|
return ls;
|
|
}
|
|
|
|
bool KoTextFormatterBase::isStretchable( KoTextString *string, int pos ) const
|
|
{
|
|
if ( string->at( pos ).c == TQChar(160) ) //non-breaking space
|
|
return true;
|
|
KoTextStringChar& chr = string->at( pos );
|
|
return chr.whiteSpace;
|
|
//return isBreakable( string, pos );
|
|
}
|
|
|
|
bool KoTextFormatterBase::isBreakable( KoTextString *string, int pos ) const
|
|
{
|
|
//if (string->at(pos).nobreak)
|
|
// return FALSE;
|
|
return (pos < string->length()-1 && string->at(pos+1).softBreak);
|
|
}
|
|
|
|
void KoTextParag::insertLineStart( int index, KoTextParagLineStart *ls )
|
|
{
|
|
// This tests if we break at the same character in more than one line,
|
|
// i.e. there no space even for _one_ char in a given line.
|
|
// However this shouldn't happen, KoTextFormatter prevents it, otherwise
|
|
// we could loop forever (e.g. if one char is wider than the page...)
|
|
#ifndef NDEBUG
|
|
TQMap<int, KoTextParagLineStart*>::Iterator it;
|
|
if ( ( it = lineStarts.find( index ) ) == lineStarts.end() ) {
|
|
lineStarts.insert( index, ls );
|
|
} else {
|
|
kdWarning(32500) << "insertLineStart: there's already a line for char index=" << index << endl;
|
|
delete *it;
|
|
lineStarts.remove( it );
|
|
lineStarts.insert( index, ls );
|
|
}
|
|
#else // non-debug code, take the fast route
|
|
lineStarts.insert( index, ls );
|
|
#endif
|
|
}
|
|
|
|
|
|
/* Standard pagebreak algorithm using KoTextFlow::adjustFlow. Returns
|
|
the shift of the paragraphs bottom line.
|
|
*/
|
|
int KoTextFormatterBase::formatVertically( KoTextDocument* doc, KoTextParag* parag )
|
|
{
|
|
int oldHeight = parag->rect().height();
|
|
TQMap<int, KoTextParagLineStart*>& lineStarts = parag->lineStartList();
|
|
TQMap<int, KoTextParagLineStart*>::Iterator it = lineStarts.begin();
|
|
int h = doc->addMargins() ? parag->topMargin() : 0;
|
|
for ( ; it != lineStarts.end() ; ++it ) {
|
|
KoTextParagLineStart * ls = it.data();
|
|
ls->y = h;
|
|
KoTextStringChar *c = ¶g->string()->at(it.key());
|
|
if ( c && c->customItem() && c->customItem()->ownLine() ) {
|
|
int h = c->customItem()->height;
|
|
c->customItem()->pageBreak( parag->rect().y() + ls->y + ls->baseLine - h, doc->flow() );
|
|
int delta = c->customItem()->height - h;
|
|
ls->h += delta;
|
|
if ( delta )
|
|
parag->setMovedDown( TRUE );
|
|
} else {
|
|
int shift = doc->flow()->adjustFlow( parag->rect().y() + ls->y, ls->w, ls->h );
|
|
ls->y += shift;
|
|
if ( shift )
|
|
parag->setMovedDown( TRUE );
|
|
}
|
|
h = ls->y + ls->h;
|
|
}
|
|
int m = parag->bottomMargin();
|
|
if ( parag->next() && doc && !doc->addMargins() )
|
|
m = TQMAX( m, parag->next()->topMargin() );
|
|
//if ( parag->next() && parag->next()->isLineBreak() )
|
|
// m = 0;
|
|
h += m;
|
|
parag->setHeight( h );
|
|
return h - oldHeight;
|
|
}
|
|
|
|
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
|
|
|
|
KoTextCustomItem::KoTextCustomItem( KoTextDocument *p )
|
|
: width(-1), height(0), parent(p), xpos(0), ypos(-1), parag(0)
|
|
{
|
|
m_deleted = false; // added for kotext
|
|
}
|
|
|
|
KoTextCustomItem::~KoTextCustomItem()
|
|
{
|
|
}
|
|
|
|
KoTextFlow::KoTextFlow()
|
|
{
|
|
w = 0;
|
|
leftItems.setAutoDelete( FALSE );
|
|
rightItems.setAutoDelete( FALSE );
|
|
}
|
|
|
|
KoTextFlow::~KoTextFlow()
|
|
{
|
|
}
|
|
|
|
void KoTextFlow::clear()
|
|
{
|
|
leftItems.clear();
|
|
rightItems.clear();
|
|
}
|
|
|
|
// Called by KoTextDocument::setWidth
|
|
void KoTextFlow::setWidth( int width )
|
|
{
|
|
w = width;
|
|
}
|
|
|
|
void KoTextFlow::adjustMargins( int, int, int, int&, int&, int& pageWidth, KoTextParag* )
|
|
{
|
|
pageWidth = w;
|
|
}
|
|
|
|
|
|
int KoTextFlow::adjustFlow( int /*y*/, int, int /*h*/ )
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
void KoTextFlow::unregisterFloatingItem( KoTextCustomItem* item )
|
|
{
|
|
leftItems.removeRef( item );
|
|
rightItems.removeRef( item );
|
|
}
|
|
|
|
void KoTextFlow::registerFloatingItem( KoTextCustomItem* item )
|
|
{
|
|
if ( item->placement() == KoTextCustomItem::PlaceRight ) {
|
|
if ( !rightItems.contains( item ) )
|
|
rightItems.append( item );
|
|
} else if ( item->placement() == KoTextCustomItem::PlaceLeft &&
|
|
!leftItems.contains( item ) ) {
|
|
leftItems.append( item );
|
|
}
|
|
}
|
|
|
|
int KoTextFlow::availableHeight() const
|
|
{
|
|
return -1; // no limit
|
|
}
|
|
|
|
void KoTextFlow::drawFloatingItems( TQPainter* p, int cx, int cy, int cw, int ch, const TQColorGroup& cg, bool selected )
|
|
{
|
|
KoTextCustomItem *item;
|
|
for ( item = leftItems.first(); item; item = leftItems.next() ) {
|
|
if ( item->x() == -1 || item->y() == -1 )
|
|
continue;
|
|
item->draw( p, item->x(), item->y(), cx, cy, cw, ch, cg, selected );
|
|
}
|
|
|
|
for ( item = rightItems.first(); item; item = rightItems.next() ) {
|
|
if ( item->x() == -1 || item->y() == -1 )
|
|
continue;
|
|
item->draw( p, item->x(), item->y(), cx, cy, cw, ch, cg, selected );
|
|
}
|
|
}
|
|
|
|
//void KoTextFlow::setPageSize( int ps ) { pagesize = ps; }
|
|
bool KoTextFlow::isEmpty() { return leftItems.isEmpty() && rightItems.isEmpty(); }
|