1 files changed, 6 insertions, 1 deletions

diff --git a/noncore/apps/tinykate/libkate/document/katedocument.cpp b/noncore/apps/tinykate/libkate/document/katedocument.cpp
index a70f3aa..b82a86a 100644
--- a/noncore/apps/tinykate/libkate/document/katedocument.cpp
+++ b/noncore/apps/tinykate/libkate/document/katedocument.cpp
@@ -1,3175 +1,3180 @@
 /***************************************************************************
                           katedocument.cpp  -  description
                              -------------------
     begin                : Mon Jan 15 2001
     copyright            : (C) 2001 by Christoph "Crossfire" Cullmann
                            (C) 2002 by Joseph Wenninger
     email                : crossfire@babylon2k.de
                            jowenn@kde.org
 
 ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
  ***************************************************************************/
 
 /*
    Copyright (C) 1998, 1999 Jochen Wilhelmy
                             digisnap@cs.tu-berlin.de
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.
 
     This library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Library General Public License for more details.
 
     You should have received a copy of the GNU Library General Public License
     along with this library; see the file COPYING.LIB.  If not, write to
     the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
     Boston, MA 02111-1307, USA.
 */
 
 #include "katedocument.h"
 #include "kmessagebox.h"
 #include "kglobal.h"
 
 //#include "kcharsets.h"
 #include "kdebug.h"
 //#include "kinstance.h"
 
 #include "kglobalsettings.h"
 //#include "kaction.h"
 //#include "kstdaction.h"
 
 #include "../view/kateview.h"
 #include "katebuffer.h"
 #include "katetextline.h"
 
 #include "katecmd.h"
 
 /* OPIE */
 #include <opie2/odebug.h>
 #include <qpe/config.h>
 
 /* QT */
 #include <qfileinfo.h>
 #include <qdatetime.h>
 #include <qstring.h>
 #include <qtimer.h>
 #include <qobject.h>
 #include <qapplication.h>
 #include <qclipboard.h>
 #include <qfont.h>
 #include <qpainter.h>
 #include <qfile.h>
 #include <qtextstream.h>
 #include <qtextcodec.h>
 
 /* STD */
 #include <sys/time.h>
 #include <unistd.h>
 #include <stdio.h>
 
 KateAction::KateAction(Action a, PointStruc &cursor, int len, const QString &text)
   : action(a), cursor(cursor), len(len), text(text) {
 }
 
 KateActionGroup::KateActionGroup(PointStruc &aStart, int type)
   : start(aStart), action(0L), undoType(type) {
 }
 
 KateActionGroup::~KateActionGroup() {
   KateAction *current, *next;
 
   current = action;
   while (current) {
     next = current->next;
     delete current;
     current = next;
   }
 }
 
 void KateActionGroup::insertAction(KateAction *a) {
   a->next = action;
   action = a;
 }
 
 const char * KateActionGroup::typeName(int type)
 {
   // return a short text description of the given undo group type suitable for a menu
   // not the lack of i18n's, the caller is expected to handle translation
   switch (type) {
   case ugPaste : return "Paste Text";
   case ugDelBlock : return "Selection Overwrite";
   case ugIndent : return "Indent";
   case ugUnindent : return "Unindent";
   case ugComment : return "Comment";
   case ugUncomment : return "Uncomment";
   case ugReplace : return "Text Replace";
   case ugSpell : return "Spell Check";
   case ugInsChar : return "Typing";
   case ugDelChar : return "Delete Text";
   case ugInsLine : return "New Line";
   case ugDelLine : return "Delete Line";
   }
   return "";
 }
 
 const int KateDocument::maxAttribs = 32;
 
 QStringList KateDocument::searchForList = QStringList();
 QStringList KateDocument::replaceWithList = QStringList();
 
 uint KateDocument::uniqueID = 0;
 
 QPtrDict<KateDocument::KateDocPrivate>* KateDocument::d_ptr = 0;
 
 
 KateDocument::KateDocument(bool bSingleViewMode, bool bBrowserView,
                                            QWidget *parentWidget, const char *widgetName,
                                            QObject *, const char *)
   : Kate::Document (),
     myFont(KGlobalSettings::generalFont()), myFontBold(KGlobalSettings::generalFont()), myFontItalic(KGlobalSettings::generalFont()), myFontBI(KGlobalSettings::generalFont()),
     myFontMetrics (myFont), myFontMetricsBold (myFontBold), myFontMetricsItalic (myFontItalic), myFontMetricsBI (myFontBI),
     hlManager(HlManager::self ())
 {
 
   d(this)->hlSetByUser = false;
   PreHighlightedTill=0;
   RequestPreHighlightTill=0;
 
   m_bSingleViewMode=bSingleViewMode;
   m_bBrowserView = bBrowserView;
 
   m_url = QString::null;
 
   // NOTE: QFont::CharSet doesn't provide all the charsets KDE supports
   // (esp. it doesn't distinguish between UTF-8 and iso10646-1)
 
   myEncoding = QString::fromLatin1(QTextCodec::codecForLocale()->name());
 
   maxLength = -1;
 
   setFont (KGlobalSettings::generalFont());
 
   myDocID = uniqueID;
   uniqueID++;
 
   myDocName = QString ("");
   fileInfo = new QFileInfo ();
 
   myCmd = new KateCmd (this);
 
   connect(this,SIGNAL(modifiedChanged()),this,SLOT(slotModChanged()));
 
   buffer = new KWBuffer;
   connect(buffer, SIGNAL(linesChanged(int)), this, SLOT(slotBufferChanged()));
 //  connect(buffer, SIGNAL(textChanged()), this, SIGNAL(textChanged()));
   connect(buffer, SIGNAL(needHighlight(long,long)),this,SLOT(slotBufferHighlight(long,long)));
 
   colors[0] = KGlobalSettings::baseColor();
   colors[1] = KGlobalSettings::highlightColor();
 
   m_attribs = new Attribute[maxAttribs];
 
   m_highlight = 0L;
   tabChars = 8;
 
   m_singleSelection = false;
 
   newDocGeometry = false;
   readOnly = false;
   newDoc = false;
 
   modified = false;
 
   undoList.setAutoDelete(true);
   undoState = 0;
   undoSteps = 50;
 
   pseudoModal = 0L;
   clear();
 
   setHighlight(0); //calls updateFontData()
   // if the user changes the highlight with the dialog, notify the doc
   connect(hlManager,SIGNAL(changed()),SLOT(hlChanged()));
 
   newDocGeometry = false;
 
   readConfig();
 
   setReadOnly(false);
 }
 
 void KateDocument::setDontChangeHlOnSave()
 {
   d(this)->hlSetByUser = true;
 }
 
 void KateDocument::setFont (QFont font)
 {
   kdDebug()<<"Kate:: setFont"<<endl;
   int oldwidth=myFontMetrics.width('W');  //Quick & Dirty Hack (by JoWenn) //Remove in KDE 3.0
   myFont = font;
   myFontBold = QFont (font);
   myFontBold.setBold (true);
 
   myFontItalic = QFont (font);
   myFontItalic.setItalic (true);
 
   myFontBI = QFont (font);
   myFontBI.setBold (true);
   myFontBI.setItalic (true);
 
   myFontMetrics = CachedFontMetrics (myFont);
   myFontMetricsBold = CachedFontMetrics (myFontBold);
   myFontMetricsItalic = CachedFontMetrics (myFontItalic);
   myFontMetricsBI = CachedFontMetrics (myFontBI);
   int newwidth=myFontMetrics.width('W'); //Quick & Dirty Hack (by JoWenn)  //Remove in KDE 3.0
   maxLength=maxLength*(float)newwidth/(float)oldwidth; //Quick & Dirty Hack (by JoWenn)  //Remove in KDE 3.0
 
   updateFontData();
   updateViews(); //Quick & Dirty Hack (by JoWenn) //Remove in KDE 3.0
 
 }
 
 long  KateDocument::needPreHighlight(long till)
 {
   int max=numLines()-1;
   if (till>max)
     {
       till=max;
     }
   if (PreHighlightedTill>=till) return -1;
 
   long tmp=RequestPreHighlightTill;
   if (RequestPreHighlightTill<till)
     {
       RequestPreHighlightTill=till;
       if (tmp<=PreHighlightedTill) QTimer::singleShot(10,this,SLOT(doPreHighlight()));
     }
   return RequestPreHighlightTill;
 }
 
 void KateDocument::doPreHighlight()
 {
   int from = PreHighlightedTill;
   int till = PreHighlightedTill+200;
   int max = numLines()-1;
   if (till > max)
     {
       till = max;
     }
   PreHighlightedTill = till;
   updateLines(from,till);
   emit preHighlightChanged(PreHighlightedTill);
   if (PreHighlightedTill<RequestPreHighlightTill)
     QTimer::singleShot(10,this,SLOT(doPreHighlight()));
 }
 
 KateDocument::~KateDocument()
 {
   m_highlight->release();
   writeConfig();
 
   if ( !m_bSingleViewMode )
   {
     m_views.setAutoDelete( true );
     m_views.clear();
     m_views.setAutoDelete( false );
   }
   delete_d(this);
 }
 
 void KateDocument::openURL(const QString &filename)
 {
 
   m_file=filename;
   fileInfo->setFile (m_file);
   setMTime();
 
   if (!fileInfo->exists() || !fileInfo->isReadable())
   {
     odebug << "File doesn't exit or couldn't be read" << oendl;
     return ;
   }
 
   buffer->clear();
 #warning fixme
 //  buffer->insertFile(0, m_file, KGlobal::charsets()->codecForName(myEncoding));
   odebug << "Telling buffer to open file" << oendl;
   buffer->insertFile(0, m_file, QTextCodec::codecForLocale());
 
   setMTime();
 
   if (myWordWrap)
     wrapText (myWordWrapAt);
 
   int hl = hlManager->wildcardFind( m_file );
 
   setHighlight(hl);
 
   updateLines();
   updateViews();
 
   emit fileNameChanged();
 
   return ;
 }
 
 bool KateDocument::saveFile()
 {
 
   QFile f( m_file );
   if ( !f.open( IO_WriteOnly ) )
     return false; // Error
 
   QTextStream stream(&f);
 
   stream.setEncoding(QTextStream::RawUnicode); // disable Unicode headers
 #warning fixme
 //  stream.setCodec(KGlobal::charsets()->codecForName(myEncoding));
   stream.setCodec(QTextCodec::codecForLocale()); // this line sets the mapper to the correct codec
 
   int maxLine = numLines();
   int line = 0;
   while(true)
   {
     stream << getTextLine(line)->getString();
     line++;
     if (line >= maxLine) break;
 
     if (eolMode == KateDocument::eolUnix) stream << "\n";
     else if (eolMode == KateDocument::eolDos) stream << "\r\n";
     else if (eolMode == KateDocument::eolMacintosh) stream << '\r';
   };
   f.close();
 
   fileInfo->setFile (m_file);
   setMTime();
 
   if (!(d(this)->hlSetByUser))
   {
   int hl = hlManager->wildcardFind( m_file );
 
   setHighlight(hl);
   }
   emit fileNameChanged ();
 
-  return (f.status() == IO_Ok);
+  if(f.status() == IO_Ok) {
+    setModified(false);
+    return true;
+  }
+  else
+    return false;
 }
 
 KTextEditor::View *KateDocument::createView( QWidget *parent, const char *name )
 {
   return new KateView( this, parent, name);
 }
 
 QString KateDocument::textLine( int line ) const
 {
   TextLine::Ptr l = getTextLine( line );
   if ( !l )
     return QString();
 
   return l->getString();
 }
 
 void KateDocument::replaceLine(const QString& s,int line)
 {
   remove_Line(line,false);
   insert_Line(s,line,true);
 }
 
 void KateDocument::insertLine( const QString &str, int l ) {
   insert_Line(str,l,true);
 }
 
 void KateDocument::insert_Line(const QString& s,int line, bool update)
 {
   kdDebug(13020)<<"KateDocument::insertLine "<<s<<QString(" %1").arg(line)<<endl;
   TextLine::Ptr TL=new TextLine();
   TL->append(s.unicode(),s.length());
   buffer->insertLine(line,TL);
   if (update)
   {
     newDocGeometry=true;
     updateLines(line);
     updateViews();
   }
 }
 
 void KateDocument::insertAt( const QString &s, int line, int col, bool  )
 {
   VConfig c;
   c.view = 0; // ### FIXME
   c.cursor.x = col;
   c.cursor.y = line;
   c.cXPos = 0; // ### FIXME
   c.flags = 0; // ### FIXME
   insert( c, s );
 }
 
 void KateDocument::removeLine( int line ) {
   remove_Line(line,true);
 }
 
 void KateDocument::remove_Line(int line,bool update)
 {
   kdDebug(13020)<<"KateDocument::removeLine "<<QString("%1").arg(line)<<endl;
   buffer->removeLine(line);
 //  newDocGeometry=true;
 //  if line==0)
   if (update)
   {
     updateLines(line);
     updateViews();
   }
 }
 
 int KateDocument::length() const
 {
   return text().length();
 }
 
 void KateDocument::setSelection( int , int , int , int )
 {
 }
 
 bool KateDocument::hasSelection() const
 {
   return (selectEnd >= selectStart);
 }
 
 QString KateDocument::selection() const
 {
   uint flags = 0;
   TextLine::Ptr textLine;
   int len, z, start, end, i;
 
   len = 1;
   if (!(flags & KateView::cfVerticalSelect)) {
     for (z = selectStart; z <= selectEnd; z++) {
       textLine = getTextLine(z);
       len += textLine->numSelected();
       if (textLine->isSelected()) len++;
     }
     QString s;
     len = 0;
     for (z = selectStart; z <= selectEnd; z++) {
       textLine = getTextLine(z);
       end = 0;
       do {
         start = textLine->findUnselected(end);
         end = textLine->findSelected(start);
         for (i = start; i < end; i++) {
           s[len] = textLine->getChar(i);
           len++;
         }
       } while (start < end);
       if (textLine->isSelected()) {
         s[len] = '\n';
         len++;
       }
     }
 //    s[len] = '\0';
     return s;
   } else {
     for (z = selectStart; z <= selectEnd; z++) {
       textLine = getTextLine(z);
       len += textLine->numSelected() + 1;
     }
     QString s;
     len = 0;
     for (z = selectStart; z <= selectEnd; z++) {
       textLine = getTextLine(z);
       end = 0;
       do {
         start = textLine->findUnselected(end);
         end = textLine->findSelected(start);
         for (i = start; i < end; i++) {
           s[len] = textLine->getChar(i);
           len++;
         }
       } while (start < end);
       s[len] = '\n';
       len++;
     }
 //    s[len] = '\0';       //  the final \0 is not counted in length()
     return s;
   }
 }
 
 int KateDocument::numLines() const
 {
   return buffer->count();
 }
 
 
 TextLine::Ptr KateDocument::getTextLine(int line) const
 {
   // This is a hack to get this stuff working.
   return buffer->line(line);
 }
 
 int KateDocument::textLength(int line) {
   TextLine::Ptr textLine = getTextLine(line);
   if (!textLine) return 0;
   return textLine->length();
 }
 
 void KateDocument::setTabWidth(int chars) {
   if (tabChars == chars) return;
   if (chars < 1) chars = 1;
   if (chars > 16) chars = 16;
   tabChars = chars;
   updateFontData();
 
   maxLength = -1;
   for (int i=0; i < buffer->count(); i++)
   {
     TextLine::Ptr textLine = buffer->line(i);
     int len = textWidth(textLine,textLine->length());
     if (len > maxLength) {
       maxLength = len;
       longestLine = textLine;
     }
   }
 }
 
 void KateDocument::setReadOnly(bool m) {
   KTextEditor::View *view;
 
   if (m != readOnly) {
     readOnly = m;
 //    if (readOnly) recordReset();
     for (view = m_views.first(); view != 0L; view = m_views.next() ) {
       emit static_cast<KateView *>( view )->newStatus();
     }
   }
 }
 
 bool KateDocument::isReadOnly() const {
   return readOnly;
 }
 
 void KateDocument::setNewDoc( bool m )
 {
 //  KTextEditor::View *view;
 
   if ( m != newDoc )
   {
     newDoc = m;
 ////    if (readOnly) recordReset();
 //    for (view = m_views.first(); view != 0L; view = m_views.next() ) {
 //      emit static_cast<KateView *>( view )->newStatus();
 //    }
   }
 }
 
 bool KateDocument::isNewDoc() const {
   return newDoc;
 }
 
 void KateDocument::setModified(bool m) {
   KTextEditor::View *view;
 
   if (m != modified) {
     modified = m;
     for (view = m_views.first(); view != 0L; view = m_views.next() ) {
       emit static_cast<KateView *>( view )->newStatus();
     }
     emit modifiedChanged ();
   }
 }
 
 bool KateDocument::isModified() const {
   return modified;
 }
 
 void KateDocument::readConfig()
 {
   KateConfig *config = KGlobal::config();
   config->setGroup("Kate Document");
 
   myWordWrap = config->readBoolEntry("Word Wrap On", false);
   myWordWrapAt = config->readNumEntry("Word Wrap At", 80);
   if (myWordWrap)
     wrapText (myWordWrapAt);
 
   setTabWidth(config->readNumEntry("TabWidth", 8));
   setUndoSteps(config->readNumEntry("UndoSteps", 50));
   m_singleSelection = config->readBoolEntry("SingleSelection", false);
   myEncoding = config->readEntry("Encoding", QString::fromLatin1(QTextCodec::codecForLocale()->name()));
   setFont (config->readFontEntry("Font", myFont));
 
   colors[0] = config->readColorEntry("Color Background", colors[0]);
   colors[1] = config->readColorEntry("Color Selected", colors[1]);
 
 //  config->sync();
 }
 
 void KateDocument::writeConfig()
 {
   KateConfig *config = KGlobal::config();
   config->setGroup("Kate Document");
   config->writeEntry("Word Wrap On", myWordWrap);
   config->writeEntry("Word Wrap At", myWordWrapAt);
   config->writeEntry("TabWidth", tabChars);
   config->writeEntry("UndoSteps", undoSteps);
   config->writeEntry("SingleSelection", m_singleSelection);
   config->writeEntry("Encoding", myEncoding);
   config->writeEntry("Font", myFont);
   config->writeEntry("Color Background", colors[0]);
   config->writeEntry("Color Selected", colors[1]);
 //  config->sync();
 }
 
 void KateDocument::readSessionConfig(KateConfig *config)
 {
   m_url = config->readEntry("URL"); // ### doesn't this break the encoding? (Simon)
   setHighlight(hlManager->nameFind(config->readEntry("Highlight")));
   // anders: restore bookmarks if possible
   QValueList<int> l = config->readIntListEntry("Bookmarks");
   if ( l.count() ) {
     for (uint i=0; i < l.count(); i++) {
       if ( numLines() < l[i] ) break;
       getTextLine( l[i] )->addMark( Bookmark );
     }
   }
 }
 
 void KateDocument::writeSessionConfig(KateConfig *config)
 {
 #if 0
   config->writeEntry("URL", m_url); // ### encoding?? (Simon)
   config->writeEntry("Highlight", m_highlight->name());
   // anders: save bookmarks
   QList<Kate::Mark> l = marks();
   QValueList<int> ml;
   for (uint i=0; i < l.count(); i++) {
     if ( l.at(i)->type == 1) // only save bookmarks
      ml << l.at(i)->line;
   }
   if ( ml.count() )
     config->writeEntry("Bookmarks", ml);
 #endif
 }
 
 
 void KateDocument::setHighlight(int n) {
   Highlight *h;
 
 //  hlNumber = n;
 
   h = hlManager->getHl(n);
   if (h == m_highlight) {
     updateLines();
   } else {
     if (m_highlight != 0L) m_highlight->release();
     h->use();
     m_highlight = h;
     makeAttribs();
   }
   PreHighlightedTill=0;
   RequestPreHighlightTill=0;
   emit(highlightChanged());
 }
 
 void KateDocument::makeAttribs() {
   odebug << "KateDocument::makeAttribs()" << oendl;
   m_numAttribs = hlManager->makeAttribs(m_highlight, m_attribs, maxAttribs);
   updateFontData();
   updateLines();
 }
 
 void KateDocument::updateFontData() {
   int maxAscent, maxDescent;
   int tabWidth;
   KateView *view;
 
   maxAscent = myFontMetrics.ascent();
   maxDescent = myFontMetrics.descent();
   tabWidth = myFontMetrics.width(' ');
 
   fontHeight = maxAscent + maxDescent + 1;
   fontAscent = maxAscent;
   m_tabWidth = tabChars*tabWidth;
 
   for (view = views.first(); view != 0L; view = views.next() ) {
     view->myViewInternal->drawBuffer->resize(view->width(),fontHeight);
     view->tagAll();
     view->updateCursor();
   }
 }
 
 void KateDocument::hlChanged() { //slot
   makeAttribs();
   updateViews();
 }
 
 
 void KateDocument::addView(KTextEditor::View *view) {
   views.append( static_cast<KateView *>( view ) );
   KTextEditor::Document::addView( view );
   connect( static_cast<KateView *>( view ), SIGNAL( destroyed() ), this, SLOT( slotViewDestroyed() ) );
 }
 
 void KateDocument::removeView(KTextEditor::View *view) {
 //  if (undoView == view) recordReset();
   disconnect( static_cast<KateView *>( view ), SIGNAL( destroyed() ), this, SLOT( slotViewDestroyed() ) );
   views.removeRef( static_cast<KateView *>( view ) );
   KTextEditor::Document::removeView( view );
 }
 
 void KateDocument::slotViewDestroyed()
 {
   views.removeRef( static_cast<const KateView *>( sender() ) );
 }
 
 bool KateDocument::ownedView(KateView *view) {
   // do we own the given view?
   return (views.containsRef(view) > 0);
 }
 
 bool KateDocument::isLastView(int numViews) {
   return ((int) views.count() == numViews);
 }
 
 int KateDocument::textWidth(const TextLine::Ptr &textLine, int cursorX) {
   int x;
   int z;
   QChar ch;
   Attribute *a;
 
   x = 0;
   for (z = 0; z < cursorX; z++) {
     ch = textLine->getChar(z);
     a = &m_attribs[textLine->getAttr(z)];
 
     if (ch == '\t')
       x += m_tabWidth - (x % m_tabWidth);
     else if (a->bold && a->italic)
       x += myFontMetricsBI.width(ch);
     else if (a->bold)
       x += myFontMetricsBold.width(ch);
     else if (a->italic)
       x += myFontMetricsItalic.width(ch);
     else
       x += myFontMetrics.width(ch);
   }
   return x;
 }
 
 int KateDocument::textWidth(PointStruc &cursor) {
   if (cursor.x < 0)
      cursor.x = 0;
   if (cursor.y < 0)
      cursor.y = 0;
   if (cursor.y >= numLines())
      cursor.y = lastLine();
   return textWidth(getTextLine(cursor.y),cursor.x);
 }
 
 int KateDocument::textWidth(bool wrapCursor, PointStruc &cursor, int xPos) {
   int len;
   int x, oldX;
   int z;
   QChar ch;
   Attribute *a;
 
   if (cursor.y < 0) cursor.y = 0;
   if (cursor.y > lastLine()) cursor.y = lastLine();
   TextLine::Ptr textLine = getTextLine(cursor.y);
   len = textLine->length();
 
   x = oldX = z = 0;
   while (x < xPos && (!wrapCursor || z < len)) {
     oldX = x;
     ch = textLine->getChar(z);
     a = &m_attribs[textLine->getAttr(z)];
 
     if (ch == '\t')
       x += m_tabWidth - (x % m_tabWidth);
     else if (a->bold && a->italic)
       x += myFontMetricsBI.width(ch);
     else if (a->bold)
       x += myFontMetricsBold.width(ch);
     else if (a->italic)
       x += myFontMetricsItalic.width(ch);
     else
       x += myFontMetrics.width(ch);
 
     z++;
   }
   if (xPos - oldX < x - xPos && z > 0) {
     z--;
     x = oldX;
   }
   cursor.x = z;
   return x;
 }
 
 
 int KateDocument::textPos(const TextLine::Ptr &textLine, int xPos) {
   int x, oldX;
   int z;
   QChar ch;
   Attribute *a;
 
   x = oldX = z = 0;
   while (x < xPos) { // && z < len) {
     oldX = x;
     ch = textLine->getChar(z);
     a = &m_attribs[textLine->getAttr(z)];
 
     if (ch == '\t')
       x += m_tabWidth - (x % m_tabWidth);
     else if (a->bold && a->italic)
       x += myFontMetricsBI.width(ch);
     else if (a->bold)
       x += myFontMetricsBold.width(ch);
     else if (a->italic)
       x += myFontMetricsItalic.width(ch);
     else
       x += myFontMetrics.width(ch);
 
     z++;
   }
   if (xPos - oldX < x - xPos && z > 0) {
     z--;
    // newXPos = oldX;
   }// else newXPos = x;
   return z;
 }
 
 int KateDocument::textWidth() {
    return int(maxLength + 8);
 }
 
 int KateDocument::textHeight() {
   return numLines()*fontHeight;
 }
 
 void KateDocument::insert(VConfig &c, const QString &s) {
   int pos;
   QChar ch;
   QString buf;
 
   if (s.isEmpty()) return;
 
   recordStart(c, KateActionGroup::ugPaste);
 
   pos = 0;
   if (!(c.flags & KateView::cfVerticalSelect)) {
     do {
       ch = s[pos];
       if (ch.isPrint() || ch == '\t') {
         buf += ch; // append char to buffer
       } else if (ch == '\n') {
         recordAction(KateAction::newLine, c.cursor); // wrap contents behind cursor to new line
         recordInsert(c, buf); // append to old line
 //        c.cursor.x += buf.length();
         buf.truncate(0); // clear buffer
         c.cursor.y++;
         c.cursor.x = 0;
       }
       pos++;
     } while (pos < (int) s.length());
   } else {
     int xPos;
 
     xPos = textWidth(c.cursor);
     do {
       ch = s[pos];
       if (ch.isPrint() || ch == '\t') {
         buf += ch;
       } else if (ch == '\n') {
         recordInsert(c, buf);
         c.cursor.x += buf.length();
         buf.truncate(0);
         c.cursor.y++;
         if (c.cursor.y >= numLines())
           recordAction(KateAction::insLine, c.cursor);
         c.cursor.x = textPos(getTextLine(c.cursor.y), xPos);
       }
       pos++;
     } while (pos < (int) s.length());
   }
   recordInsert(c, buf);
   c.cursor.x += buf.length();
   recordEnd(c);
 }
 
 void KateDocument::insertFile(VConfig &c, QIODevice &dev)
 {
   recordStart(c, KateActionGroup::ugPaste);
 
   QString buf;
   QChar ch, last;
 
   QTextStream stream( &dev );
 
   while ( !stream.atEnd() ) {
     stream >> ch;
 
     if (ch.isPrint() || ch == '\t') {
         buf += ch;
     } else if (ch == '\n' || ch == '\r') {
         if (last != '\r' || ch != '\n') {
           recordAction(KateAction::newLine, c.cursor);
           recordInsert(c, buf);
           buf.truncate(0);
           c.cursor.y++;
           c.cursor.x = 0;
         }
         last = ch;
     }
   }
 
   recordInsert(c, buf);
   recordEnd(c);
 }
 
 int KateDocument::currentColumn(PointStruc &cursor) {
   return getTextLine(cursor.y)->cursorX(cursor.x,tabChars);
 }
 
 bool KateDocument::insertChars(VConfig &c, const QString &chars) {
   int z, pos, l;
   bool onlySpaces;
   QChar ch;
   QString buf;
 
   TextLine::Ptr textLine = getTextLine(c.cursor.y);
 
   pos = 0;
   onlySpaces = true;
   for (z = 0; z < (int) chars.length(); z++) {
     ch = chars[z];
     if (ch == '\t' && c.flags & KateView::cfReplaceTabs) {
       l = tabChars - (textLine->cursorX(c.cursor.x, tabChars) % tabChars);
       while (l > 0) {
         buf.insert(pos, ' ');
         pos++;
         l--;
       }
     } else if (ch.isPrint() || ch == '\t') {
       buf.insert(pos, ch);
       pos++;
       if (ch != ' ') onlySpaces = false;
       if (c.flags & KateView::cfAutoBrackets) {
         if (ch == '(') buf.insert(pos, ')');
         if (ch == '[') buf.insert(pos, ']');
         if (ch == '{') buf.insert(pos, '}');
       }
     }
   }
   //pos = cursor increment
 
   //return false if nothing has to be inserted
   if (buf.isEmpty()) return false;
 
   //auto deletion of the marked text occurs not very often and can therefore
   //  be recorded separately
   if (c.flags &KateView:: cfDelOnInput) delMarkedText(c);
 
   recordStart(c, KateActionGroup::ugInsChar);
   recordReplace(c/*.cursor*/, (c.flags & KateView::cfOvr) ? buf.length() : 0, buf);
   c.cursor.x += pos;
 
   if (myWordWrap && myWordWrapAt > 0) {
     int line;
     const QChar *s;
 //    int pos;
     PointStruc actionCursor;
 
     line = c.cursor.y;
     do {
       textLine = getTextLine(line);
       s = textLine->getText();
       l = textLine->length();
       for (z = myWordWrapAt; z < l; z++) if (!s[z].isSpace()) break; //search for text to wrap
       if (z >= l) break; // nothing more to wrap
       pos = myWordWrapAt;
       for (; z >= 0; z--) { //find wrap position
         if (s[z].isSpace()) {
           pos = z + 1;
           break;
         }
       }
       //pos = wrap position
 
       if (line == c.cursor.y && pos <= c.cursor.x) {
         //wrap cursor
         c.cursor.y++;
         c.cursor.x -= pos;
       }
 
       if (line == lastLine() || (getTextLine(line+1)->length() == 0) ) {
         //at end of doc: create new line
         actionCursor.x = pos;
         actionCursor.y = line;
         recordAction(KateAction::newLine,actionCursor);
       } else {
         //wrap
         actionCursor.y = line + 1;
         if (!s[l - 1].isSpace()) { //add space in next line if necessary
           actionCursor.x = 0;
           recordInsert(actionCursor, " ");
         }
         actionCursor.x = textLine->length() - pos;
         recordAction(KateAction::wordWrap, actionCursor);
       }
       line++;
     } while (true);
   }
   recordEnd(c);
   return true;
 }
 
 QString tabString(int pos, int tabChars) {
   QString s;
   while (pos >= tabChars) {
     s += '\t';
     pos -= tabChars;
   }
   while (pos > 0) {
     s += ' ';
     pos--;
   }
   return s;
 }
 
 void KateDocument::newLine(VConfig &c) {
 
   //auto deletion of marked text is done by the view to have a more
   // "low level" KateDocument::newLine method
   recordStart(c, KateActionGroup::ugInsLine);
 
   if (!(c.flags & KateView::cfAutoIndent)) {
     recordAction(KateAction::newLine,c.cursor);
     c.cursor.y++;
     c.cursor.x = 0;
   } else {
     TextLine::Ptr textLine = getTextLine(c.cursor.y);
     int pos = textLine->firstChar();
     if (c.cursor.x < pos) c.cursor.x = pos; // place cursor on first char if before
 
     int y = c.cursor.y;
     while ((y > 0) && (pos < 0)) { // search a not empty text line
       textLine = getTextLine(--y);
       pos = textLine->firstChar();
     }
     recordAction(KateAction::newLine, c.cursor);
     c.cursor.y++;
     c.cursor.x = 0;
     if (pos > 0) {
       pos = textLine->cursorX(pos, tabChars);
 //      if (getTextLine(c.cursor.y)->length() > 0) {
         QString s = tabString(pos, (c.flags & KateView::cfSpaceIndent) ? 0xffffff : tabChars);
         recordInsert(c.cursor, s);
         pos = s.length();
 //      }
 //      recordInsert(c.cursor, QString(textLine->getText(), pos));
       c.cursor.x = pos;
     }
   }
 
   recordEnd(c);
 }
 
 void KateDocument::killLine(VConfig &c) {
 
   recordStart(c, KateActionGroup::ugDelLine);
   c.cursor.x = 0;
   recordDelete(c.cursor, 0xffffff);
   if (c.cursor.y < lastLine()) {
     recordAction(KateAction::killLine, c.cursor);
   }
   recordEnd(c);
 }
 
 void KateDocument::backspace(VConfig &c) {
 
   if (c.cursor.x <= 0 && c.cursor.y <= 0) return;
 
   if (c.cursor.x > 0) {
     recordStart(c, KateActionGroup::ugDelChar);
     if (!(c.flags & KateView::cfBackspaceIndents)) {
       // ordinary backspace
       c.cursor.x--;
       recordDelete(c.cursor, 1);
     } else {
       // backspace indents: erase to next indent position
       int l = 1; // del one char
 
       TextLine::Ptr textLine = getTextLine(c.cursor.y);
       int pos = textLine->firstChar();
       if (pos < 0 || pos >= c.cursor.x) {
         // only spaces on left side of cursor
         // search a line with less spaces
         int y = c.cursor.y;
         while (y > 0) {
           textLine = getTextLine(--y);
           pos = textLine->firstChar();
           if (pos >= 0 && pos < c.cursor.x) {
             l = c.cursor.x - pos; // del more chars
             break;
           }
         }
       }
       // break effectively jumps here
       c.cursor.x -= l;
       recordDelete(c.cursor, l);
     }
   } else {
     // c.cursor.x == 0: wrap to previous line
     recordStart(c, KateActionGroup::ugDelLine);
     c.cursor.y--;
     c.cursor.x = getTextLine(c.cursor.y)->length();
     recordAction(KateAction::delLine,c.cursor);
   }
   recordEnd(c);
 }
 
 
 void KateDocument::del(VConfig &c) {
   TextLine::Ptr textLine = getTextLine(c.cursor.y);
   int len =  (c.flags & KateView::cfRemoveSpaces) ? textLine->lastChar() : textLine->length();
   if (c.cursor.x < len/*getTextLine(c.cursor.y)->length()*/) {
     // delete one character
     recordStart(c, KateActionGroup::ugDelChar);
     recordDelete(c.cursor, 1);
     recordEnd(c);
   } else {
     if (c.cursor.y < lastLine()) {
       // wrap next line to this line
       textLine->truncate(c.cursor.x); // truncate spaces
       recordStart(c, KateActionGroup::ugDelLine);
       recordAction(KateAction::delLine,c.cursor);
       recordEnd(c);
     }
   }
 }
 
 void KateDocument::clear() {
   PointStruc cursor;
   KateView *view;
 
   setPseudoModal(0L);
   cursor.x = cursor.y = 0;
   for (view = views.first(); view != 0L; view = views.next() ) {
     view->updateCursor(cursor);
     view->tagAll();
   }
 
   eolMode = KateDocument::eolUnix;
 
   buffer->clear();
   longestLine = buffer->line(0);
 
   maxLength = 0;
 
   select.x = -1;
 
   selectStart = 0xffffff;
   selectEnd = 0;
   oldMarkState = false;
 
   setModified(false);
 
   undoList.clear();
   currentUndo = 0;
   newUndo();
 }
 
 void KateDocument::cut(VConfig &c) {
 
   if (selectEnd < selectStart) return;
 
   copy(c.flags);
   delMarkedText(c);
 }
 
 void KateDocument::copy(int flags) {
 
   if (selectEnd < selectStart) return;
 
   QString s = markedText(flags);
   if (!s.isEmpty()) {
 //#if defined(_WS_X11_)
     if (m_singleSelection)
       disconnect(QApplication::clipboard(), SIGNAL(dataChanged()), this, 0);
 //#endif
     QApplication::clipboard()->setText(s);
 //#if defined(_WS_X11_)
     if (m_singleSelection) {
       connect(QApplication::clipboard(), SIGNAL(dataChanged()),
         this, SLOT(clipboardChanged()));
     }
 //#endif
   }
 }
 
 void KateDocument::paste(VConfig &c) {
   QString s = QApplication::clipboard()->text();
   if (!s.isEmpty()) {
     insert(c, s);
   }
 }
 
 void KateDocument::toggleRect(int start, int end, int x1, int x2) {
   int z, line;
   bool t;
 
   if (x1 > x2) {
     z = x1;
     x1 = x2;
     x2 = z;
   }
   if (start > end) {
     z = start;
     start = end;
     end = z;
   }
 
   t = false;
   for (line = start; line < end; line++) {
     int x, oldX, s, e, newX1, newX2;
     QChar ch;
     Attribute *a;
 
     TextLine::Ptr textLine = getTextLine(line);
 
     //--- speed optimization
     //s = textPos(textLine, x1, newX1);
     x = oldX = z = 0;
     while (x < x1) { // && z < len) {
       oldX = x;
       ch = textLine->getChar(z);
       a = &m_attribs[textLine->getAttr(z)];
 
     if (ch == '\t')
       x += m_tabWidth - (x % m_tabWidth);
     else if (a->bold && a->italic)
       x += myFontMetricsBI.width(ch);
     else if (a->bold)
       x += myFontMetricsBold.width(ch);
     else if (a->italic)
       x += myFontMetricsItalic.width(ch);
     else
       x += myFontMetrics.width(ch);
 
       z++;
     }
     s = z;
     if (x1 - oldX < x - x1 && z > 0) {
       s--;
       newX1 = oldX;
     } else newX1 = x;
     //e = textPos(textLine, x2, newX2);
     while (x < x2) { // && z < len) {
       oldX = x;
       ch = textLine->getChar(z);
       a = &m_attribs[textLine->getAttr(z)];
 
     if (ch == '\t')
       x += m_tabWidth - (x % m_tabWidth);
     else if (a->bold && a->italic)
       x += myFontMetricsBI.width(ch);
     else if (a->bold)
       x += myFontMetricsBold.width(ch);
     else if (a->italic)
       x += myFontMetricsItalic.width(ch);
     else
       x += myFontMetrics.width(ch);
 
       z++;
     }
     e = z;
     if (x2 - oldX < x - x2 && z > 0) {
       e--;
       newX2 = oldX;
     } else newX2 = x;
     //---
 
     if (e > s) {
       textLine->toggleSelect(s, e);
       tagLineRange(line, newX1, newX2);
       t = true;
     }
   }
   if (t) {
     end--;
 //    tagLines(start, end);
 
     if (start < selectStart) selectStart = start;
     if (end > selectEnd) selectEnd = end;
     emit selectionChanged();
   }
 }
 
 void KateDocument::selectTo(VConfig &c, PointStruc &cursor, int cXPos) {
   //c.cursor = old cursor position
   //cursor = new cursor position
 
   if (c.cursor.x != select.x || c.cursor.y != select.y) {
     //new selection
 
     if (!(c.flags & KateView::cfKeepSelection)) deselectAll();
 //      else recordReset();
 
     anchor = c.cursor;
     aXPos = c.cXPos;
   }
 
   if (!(c.flags & KateView::cfVerticalSelect)) {
     //horizontal selections
     int x, y, sXPos;
     int ex, ey, eXPos;
     bool sel;
 
     if (cursor.y > c.cursor.y || (cursor.y == c.cursor.y && cursor.x > c.cursor.x)) {
       x = c.cursor.x;
       y = c.cursor.y;
       sXPos = c.cXPos;
       ex = cursor.x;
       ey = cursor.y;
       eXPos = cXPos;
       sel = true;
     } else {
       x = cursor.x;
       y = cursor.y;
       sXPos = cXPos;
       ex = c.cursor.x;
       ey = c.cursor.y;
       eXPos = c.cXPos;
       sel = false;
     }
 
 //    tagLines(y, ye);
     if (y < ey) {
       //tagLineRange(y, sXPos, 0xffffff);
       tagLines(y, ey -1);
       tagLineRange(ey, 0, eXPos);
     } else tagLineRange(y, sXPos, eXPos);
 
     if (y < selectStart) selectStart = y;
     if (ey > selectEnd) selectEnd = ey;
 
     TextLine::Ptr textLine = getTextLine(y);
 
     if (c.flags & KateView::cfXorSelect) {
       //xor selection with old selection
       while (y < ey) {
         textLine->toggleSelectEol(x);
         x = 0;
         y++;
         textLine = getTextLine(y);
       }
       textLine->toggleSelect(x, ex);
     } else {
       //set selection over old selection
 
       if (anchor.y > y || (anchor.y == y && anchor.x > x)) {
         if (anchor.y < ey || (anchor.y == ey && anchor.x < ex)) {
           sel = !sel;
           while (y < anchor.y) {
             textLine->selectEol(sel, x);
             x = 0;
             y++;
             textLine = getTextLine(y);
           }
           textLine->select(sel, x, anchor.x);
           x = anchor.x;
         }
         sel = !sel;
       }
       while (y < ey) {
         textLine->selectEol(sel, x);
         x = 0;
         y++;
         textLine = getTextLine(y);
       }
       textLine->select(sel, x, ex);
     }
   } else {
     //vertical (block) selections
 //    int ax, sx, ex;
 
 //    ax = textWidth(anchor);
 //    sx = textWidth(start);
 //    ex = textWidth(end);
 
     toggleRect(c.cursor.y + 1, cursor.y + 1, aXPos, c.cXPos);
     toggleRect(anchor.y, cursor.y + 1, c.cXPos, cXPos);
   }
   select = cursor;
   optimizeSelection();
   emit selectionChanged();
 }
 
 
 void KateDocument::selectAll() {
   int z;
   TextLine::Ptr textLine;
 
   select.x = -1;
 
 //  if (selectStart != 0 || selectEnd != lastLine()) recordReset();
 
   selectStart = 0;
   selectEnd = lastLine();
 
   tagLines(selectStart,selectEnd);
 
   for (z = selectStart; z < selectEnd; z++) {
     textLine = getTextLine(z);
     textLine->selectEol(true,0);
   }
   textLine = getTextLine(z);
   textLine->select(true,0,textLine->length());
   emit selectionChanged();
 }
 
 void KateDocument::deselectAll() {
   select.x = -1;
   if (selectEnd < selectStart) return;
 
 //  recordReset();
 
   tagLines(selectStart,selectEnd);
 
   for (int z = selectStart; z <= selectEnd; z++) {
     TextLine::Ptr textLine = getTextLine(z);
     textLine->selectEol(false,0);
   }
   selectStart = 0xffffff;
   selectEnd = 0;
   emit selectionChanged();
 }
 
 void KateDocument::invertSelection() {
   TextLine::Ptr textLine;
 
   select.x = -1;
 
 //  if (selectStart != 0 || selectEnd != lastLine()) recordReset();
 
   selectStart = 0;
   selectEnd = lastLine();
 
   tagLines(selectStart,selectEnd);
 
   for (int z = selectStart; z < selectEnd; z++) {
     textLine = getTextLine(z);
     textLine->toggleSelectEol(0);
   }
   textLine = getTextLine(selectEnd);
   textLine->toggleSelect(0,textLine->length());
   optimizeSelection();
   emit selectionChanged();
 }
 
 void KateDocument::selectWord(PointStruc &cursor, int flags) {
   int start, end, len;
 
   TextLine::Ptr textLine = getTextLine(cursor.y);
   len = textLine->length();
   start = end = cursor.x;
   while (start > 0 && m_highlight->isInWord(textLine->getChar(start - 1))) start--;
   while (end < len && m_highlight->isInWord(textLine->getChar(end))) end++;
   if (end <= start) return;
   if (!(flags & KateView::cfKeepSelection)) deselectAll();
 //    else recordReset();
 
   textLine->select(true, start, end);
 
   anchor.x = start;
   select.x = end;
   anchor.y = select.y = cursor.y;
   tagLines(cursor.y, cursor.y);
   if (cursor.y < selectStart) selectStart = cursor.y;
   if (cursor.y > selectEnd) selectEnd = cursor.y;
   emit selectionChanged();
 }
 
 void KateDocument::selectLength(PointStruc &cursor, int length, int flags) {
   int start, end;
 
   TextLine::Ptr textLine = getTextLine(cursor.y);
   start = cursor.x;
   end = start + length;
   if (end <= start) return;
   if (!(flags & KateView::cfKeepSelection)) deselectAll();
 
   textLine->select(true, start, end);
 
   anchor.x = start;
   select.x = end;
   anchor.y = select.y = cursor.y;
   tagLines(cursor.y, cursor.y);
   if (cursor.y < selectStart) selectStart = cursor.y;
   if (cursor.y > selectEnd) selectEnd = cursor.y;
   emit selectionChanged();
 }
 
 void KateDocument::doIndent(VConfig &c, int change) {
 
   c.cursor.x = 0;
 
   recordStart(c, (change < 0) ? KateActionGroup::ugUnindent
     : KateActionGroup::ugIndent);
 
   if (selectEnd < selectStart) {
     // single line
     optimizeLeadingSpace(c.cursor.y, c.flags, change);
   } else {
     // entire selection
     TextLine::Ptr textLine;
     int line, z;
     QChar ch;
 
     if (c.flags & KateView::cfKeepIndentProfile && change < 0) {
       // unindent so that the existing indent profile doesn´t get screwed
       // if any line we may unindent is already full left, don't do anything
       for (line = selectStart; line <= selectEnd; line++) {
         textLine = getTextLine(line);
         if (textLine->isSelected() || textLine->numSelected()) {
           for (z = 0; z < tabChars; z++) {
             ch = textLine->getChar(z);
             if (ch == '\t') break;
             if (ch != ' ') {
               change = 0;
               goto jumpOut;
             }
           }
         }
       }
       jumpOut:;
     }
 
     for (line = selectStart; line <= selectEnd; line++) {
       textLine = getTextLine(line);
       if (textLine->isSelected() || textLine->numSelected()) {
         optimizeLeadingSpace(line, c.flags, change);
       }
     }
   }
   // recordEnd now removes empty undo records
   recordEnd(c.view, c.cursor, c.flags | KateView::cfPersistent);
 }
 
 /*
   Optimize the leading whitespace for a single line.
   If change is > 0, it adds indentation units (tabChars)
   if change is == 0, it only optimizes
   If change is < 0, it removes indentation units
   This will be used to indent, unindent, and optimal-fill a line.
   If excess space is removed depends on the flag cfKeepExtraSpaces
   which has to be set by the user
 */
 void KateDocument::optimizeLeadingSpace(int line, int flags, int change) {
   int len;
   int chars, space, okLen;
   QChar ch;
   int extra;
   QString s;
   PointStruc cursor;
 
   TextLine::Ptr textLine = getTextLine(line);
   len = textLine->length();
   space = 0; // length of space at the beginning of the textline
   okLen = 0; // length of space which does not have to be replaced
   for (chars = 0; chars < len; chars++) {
     ch = textLine->getChar(chars);
     if (ch == ' ') {
       space++;
       if (flags & KateView::cfSpaceIndent && okLen == chars) okLen++;
     } else if (ch == '\t') {
       space += tabChars - space % tabChars;
       if (!(flags & KateView::cfSpaceIndent) && okLen == chars) okLen++;
     } else break;
   }
 
   space += change*tabChars; // modify space width
   // if line contains only spaces it will be cleared
   if (space < 0 || chars == len) space = 0;
 
   extra = space % tabChars; // extra spaces which don´t fit the indentation pattern
   if (flags & KateView::cfKeepExtraSpaces) chars -= extra;
 
   if (flags & KateView::cfSpaceIndent) {
     space -= extra;
     ch = ' ';
   } else {
     space /= tabChars;
     ch = '\t';
   }
 
   // don´t replace chars which are already ok
   cursor.x = QMIN(okLen, QMIN(chars, space));
   chars -= cursor.x;
   space -= cursor.x;
   if (chars == 0 && space == 0) return; //nothing to do
 
   s.fill(ch, space);
 
 //printf("chars %d insert %d cursor.x %d\n", chars, insert, cursor.x);
   cursor.y = line;
   recordReplace(cursor, chars, s);
 }
 
 void KateDocument::doComment(VConfig &c, int change)
 {
   c.flags |=KateView:: cfPersistent;
 
   recordStart(c, (change < 0) ? KateActionGroup::ugUncomment
     : KateActionGroup::ugComment);
 
   QString startComment = m_highlight->getCommentStart();
   QString startLineComment = m_highlight->getCommentSingleLineStart();
   QString endComment = m_highlight->getCommentEnd();
 
   int startCommentLen = startComment.length();
   int startLineCommentLen = startLineComment.length();
   int endCommentLen = endComment.length();
 
   if (change > 0)
   {
     if ( !hasMarkedText() )
     {
       if (startLineComment != "")
       {
         // Add a start comment mark
         c.cursor.x = 0;
         recordReplace(c.cursor, 0, startLineComment);
       }
       else  if ((startComment != "") && (endComment != ""))
       {
         // Add a start comment mark
         c.cursor.x = 0;
         recordReplace(c.cursor, 0, startComment);
 
         // Add an end comment mark
         TextLine* textline = getTextLine(c.cursor.y);
         c.cursor.x = textline->length();
         recordReplace(c.cursor, 0, endComment);
         c.cursor.x = 0;
       }
     }
     else if ((startComment != "") && (endComment != ""))
     {
       QString marked (c.view->markedText ());
       int preDeleteLine = -1, preDeleteCol = -1;
       c.view->getCursorPosition (&preDeleteLine, &preDeleteCol);
 
       if (marked.length() > 0)
         c.view->keyDelete ();
 
       int line = -1, col = -1;
       c.view->getCursorPosition (&line, &col);
 
       c.view->insertText (startComment + marked + endComment);
     }
   }
   else
   {
     if ( !hasMarkedText() )
     {
       TextLine* textline = getTextLine(c.cursor.y);
 
       if(textline->startingWith(startLineComment))
       {
         // Remove start comment mark
         c.cursor.x = 0;
         recordReplace(c.cursor, startLineCommentLen, "");
       }
       else if (textline->startingWith(startComment) && textline->endingWith(endComment))
       {
         // Remove start comment mark
         c.cursor.x = 0;
         recordReplace(c.cursor, startCommentLen, "");
 
         // Remove end comment mark
         if(endComment != "")
         {
           c.cursor.x = textline->length() - endCommentLen;
           recordReplace(c.cursor, endCommentLen, "");
           c.cursor.x = 0;
         }
       }
     }
     else
     {
       QString marked (c.view->markedText ());
       int preDeleteLine = -1, preDeleteCol = -1;
       c.view->getCursorPosition (&preDeleteLine, &preDeleteCol);
 
       int start = marked.find (startComment);
       int end = marked.findRev (endComment);
 
       if ((start > -1) && (end > -1))
       {
         marked.remove (start, startCommentLen);
         marked.remove (end-startCommentLen, endCommentLen);
 
         c.view->keyDelete ();
 
         int line = -1, col = -1;
         c.view->getCursorPosition (&line, &col);
         c.view->insertText (marked);
       }
     }
   }
 
   recordEnd(c.view, c.cursor, c.flags | KateView::cfPersistent);
 }
 
 
 QString KateDocument::text() const
 {
   QString s;
 
   for (int i=0; i < buffer->count(); i++)
   {
     TextLine::Ptr textLine = buffer->line(i);
     s.insert(s.length(), textLine->getText(), textLine->length());
     if ( (i < (buffer->count()-1)) )
       s.append('\n');
   }
 
   return s;
 }
 
 QString KateDocument::getWord(PointStruc &cursor) {
   int start, end, len;
 
   TextLine::Ptr textLine = getTextLine(cursor.y);
   len = textLine->length();
   start = end = cursor.x;
   while (start > 0 && m_highlight->isInWord(textLine->getChar(start - 1))) start--;
   while (end < len && m_highlight->isInWord(textLine->getChar(end))) end++;
   len = end - start;
   return QString(&textLine->getText()[start], len);
 }
 
 void KateDocument::setText(const QString &s) {
   int pos;
   QChar ch;
 
   clear();
 
   int line=1;
 
   TextLine::Ptr textLine = buffer->line(0);
   for (pos = 0; pos <= (int) s.length(); pos++) {
     ch = s[pos];
     if (ch.isPrint() || ch == '\t') {
       textLine->append(&ch, 1);
     } else if (ch == '\n')
     {
       textLine = new TextLine();
       buffer->insertLine (line, textLine);
       line++;
     }
   }
   updateLines();
 }
 
 
 QString KateDocument::markedText(int flags) {
   TextLine::Ptr textLine;
   int len, z, start, end, i;
 
   len = 1;
   if (!(flags & KateView::cfVerticalSelect)) {
     for (z = selectStart; z <= selectEnd; z++) {
       textLine = getTextLine(z);
       len += textLine->numSelected();
       if (textLine->isSelected()) len++;
     }
     QString s;
     len = 0;
     for (z = selectStart; z <= selectEnd; z++) {
       textLine = getTextLine(z);
       end = 0;
       do {
         start = textLine->findUnselected(end);
         end = textLine->findSelected(start);
         for (i = start; i < end; i++) {
           s[len] = textLine->getChar(i);
           len++;
         }
       } while (start < end);
       if (textLine->isSelected()) {
         s[len] = '\n';
         len++;
       }
     }
 //    s[len] = '\0';
     return s;
   } else {
     for (z = selectStart; z <= selectEnd; z++) {
       textLine = getTextLine(z);
       len += textLine->numSelected() + 1;
     }
     QString s;
     len = 0;
     for (z = selectStart; z <= selectEnd; z++) {
       textLine = getTextLine(z);
       end = 0;
       do {
         start = textLine->findUnselected(end);
         end = textLine->findSelected(start);
         for (i = start; i < end; i++) {
           s[len] = textLine->getChar(i);
           len++;
         }
       } while (start < end);
       s[len] = '\n';
       len++;
     }
 //    s[len] = '\0';       //  the final \0 is not counted in length()
     return s;
   }
 }
 
 void KateDocument::delMarkedText(VConfig &c/*, bool undo*/) {
   int end = 0;
 
   if (selectEnd < selectStart) return;
 
   // the caller may have already started an undo record for the current action
 //  if (undo)
 
   //auto deletion of the marked text occurs not very often and can therefore
   //  be recorded separately
   recordStart(c, KateActionGroup::ugDelBlock);
 
   for (c.cursor.y = selectEnd; c.cursor.y >= selectStart; c.cursor.y--) {
     TextLine::Ptr textLine = getTextLine(c.cursor.y);
 
     c.cursor.x = textLine->length();
     do {
       end = textLine->findRevUnselected(c.cursor.x);
       if (end == 0) break;
       c.cursor.x = textLine->findRevSelected(end);
       recordDelete(c.cursor, end - c.cursor.x);
     } while (true);
     end = c.cursor.x;
     c.cursor.x = textLine->length();
     if (textLine->isSelected()) recordAction(KateAction::delLine,c.cursor);
   }
   c.cursor.y++;
   /*if (end < c.cursor.x)*/ c.cursor.x = end;
 
   selectEnd = -1;
   select.x = -1;
 
   /*if (undo)*/ recordEnd(c);
 }
 
 void KateDocument::tagLineRange(int line, int x1, int x2) {
   int z;
 
   for (z = 0; z < (int) views.count(); z++) {
     views.at(z)->tagLines(line, line, x1, x2);
   }
 }
 
 void KateDocument::tagLines(int start, int end) {
   int z;
 
   for (z = 0; z < (int) views.count(); z++) {
     views.at(z)->tagLines(start, end, 0, 0xffffff);
   }
 }
 
 void KateDocument::tagAll() {
   int z;
 
   for (z = 0; z < (int) views.count(); z++) {
     views.at(z)->tagAll();
   }
 }
 
 void KateDocument::updateLines(int startLine, int endLine, int flags, int cursorY) {
   TextLine::Ptr textLine;
   int line, last_line;
   int ctxNum, endCtx;
 //  kdDebug(13020)<<"******************KateDocument::updateLines Checkpoint 1"<<endl;
   if (buffer->line(startLine)==0) {kdDebug(13020)<<"********************No buffer for line " << startLine << " found**************"<<endl; return;};
 //  kdDebug(13020)<<"KateDocument::updateLines Checkpoint 2"<<endl;
   last_line = lastLine();
 //  if (endLine >= last_line) endLine = last_line;
 
   line = startLine;
   ctxNum = 0;
   if (line > 0) ctxNum = getTextLine(line - 1)->getContext();
   do {
 //    kdDebug(13020)<<QString("**************Working on line: %1").arg(line)<<endl;
     textLine = getTextLine(line);
     if (textLine==0) kdDebug(13020)<<"****updateLines()>> error textLine==0"<<endl;
     if (line <= endLine && line != cursorY) {
       if (flags & KateView::cfRemoveSpaces) textLine->removeSpaces();
       updateMaxLength(textLine);
     }
     endCtx = textLine->getContext();
 //    odebug << "DOHIGHLIGHT" << oendl;
 
     ctxNum = m_highlight->doHighlight(ctxNum,textLine);
     textLine->setContext(ctxNum);
     line++;
   } while ((buffer->line(line)!=0) && (line <= endLine || endCtx != ctxNum));
 //  kdDebug(13020)<<"updateLines :: while loop left"<<endl;
   tagLines(startLine, line - 1);
 }
 
 
 void KateDocument::updateMaxLength(TextLine::Ptr &textLine) {
   int len;
 
   len = textWidth(textLine,textLine->length());
 
   if (len > maxLength) {
     longestLine = textLine;
     maxLength = len;
     newDocGeometry = true;
   } else {
     if (!longestLine || (textLine == longestLine && len <= maxLength*3/4)) {
       maxLength = -1;
       for (int i = 0; i < numLines();i++) {
         textLine = getTextLine(i);
         len = textWidth(textLine,textLine->length());
         if (len > maxLength) {
           maxLength = len;
           longestLine = textLine;
         }
       }
       newDocGeometry = true;
     }
   }
 }
 
 void KateDocument::slotBufferChanged() {
   newDocGeometry = true;
   //updateLines();//JW
   updateViews();
 }
 
 void KateDocument::slotBufferHighlight(long start,long stop) {
   kdDebug(13020)<<"KateDocument::slotBufferHighlight"<<QString("%1-%2").arg(start).arg(stop)<<endl;
   updateLines(start,stop);
 //  buffer->startLoadTimer();
 }
 
 void KateDocument::updateViews(KateView *exclude) {
   KateView *view;
   int flags;
   bool markState = hasMarkedText();
 
   flags = (newDocGeometry) ? KateView::ufDocGeometry : 0;
   for (view = views.first(); view != 0L; view = views.next() ) {
     if (view != exclude) view->updateView(flags);
 
     // notify every view about the changed mark state....
     if (oldMarkState != markState) emit view->newMarkStatus();
   }
   oldMarkState = markState;
   newDocGeometry = false;
 }
 
 QColor &KateDocument::cursorCol(int x, int y) {
   int attr;
   Attribute *a;
 
   TextLine::Ptr textLine = getTextLine(y);
   attr = textLine->getRawAttr(x);
   a = &m_attribs[attr & taAttrMask];
   if (attr & taSelected) return a->selCol; else return a->col;
 }
 
 void KateDocument::paintTextLine(QPainter &paint, int line, int xStart, int xEnd, bool showTabs)
 {
   paintTextLine (paint, line, 0, xStart, xEnd, showTabs);
 }
 
 void KateDocument::paintTextLine(QPainter &paint, int line, int y, int xStart, int xEnd, bool showTabs)
 {
   TextLine::Ptr textLine;
   int len;
   const QChar *s;
   int z, x;
   QChar ch;
   Attribute *a = 0L;
   int attr, nextAttr;
   int xs;
   int xc, zc;
 
   if (line > lastLine()) {
     paint.fillRect(0, y, xEnd - xStart,fontHeight, colors[0]);
     return;
   }
 
   textLine = getTextLine(line);
   len = textLine->length();
   s = textLine->getText();
 
   // skip to first visible character
   x = 0;
   z = 0;
   do {
     xc = x;
     zc = z;
     if (z == len) break;
     ch = s[z];//textLine->getChar(z);
     if (ch == '\t') {
       x += m_tabWidth - (x % m_tabWidth);
     } else {
      a = &m_attribs[textLine->getAttr(z)];
 
    if (a->bold && a->italic)
       x += myFontMetricsBI.width(ch);
     else if (a->bold)
       x += myFontMetricsBold.width(ch);
     else if (a->italic)
       x += myFontMetricsItalic.width(ch);
     else
       x += myFontMetrics.width(ch);
     }
     z++;
   } while (x <= xStart);
 
   // draw background
   xs = xStart;
   attr = textLine->getRawAttr(zc);
   while (x < xEnd)
   {
     nextAttr = textLine->getRawAttr(z);
     if ((nextAttr ^ attr) & taSelected)
     {
       if (attr & taSelected)
         paint.fillRect(xs - xStart, y, x - xs, fontHeight, colors[1]);
       else
         paint.fillRect(xs - xStart, y, x - xs, fontHeight, colors[0]);
 
       xs = x;
       attr = nextAttr;
     }
 
     if (z == len) break;
 
     ch = s[z];//textLine->getChar(z);
 
     if (ch == '\t')
       x += m_tabWidth - (x % m_tabWidth);
     else
     {
       a = &m_attribs[textLine->getAttr(z)];
 
       if (a->bold && a->italic)
         x += myFontMetricsBI.width(ch);
       else if (a->bold)
         x += myFontMetricsBold.width(ch);
       else if (a->italic)
         x += myFontMetricsItalic.width(ch);
       else
         x += myFontMetrics.width(ch);
     }
     z++;
   }
 
   if (attr & taSelected)
     paint.fillRect(xs - xStart, y, xEnd - xs, fontHeight, colors[1]);
   else
     paint.fillRect(xs - xStart, y, xEnd - xs, fontHeight, colors[0]);
 
   len = z; //reduce length to visible length
 
   // draw text
   x = xc;
   z = zc;
   y += fontAscent;// -1;
   attr = -1;
   while (z < len) {
     ch = s[z];//textLine->getChar(z);
     if (ch == '\t') {
       if (z > zc) {
         //this should cause no copy at all
         QConstString str((QChar *) &s[zc], z - zc /*+1*/);
         QString s = str.string();
         paint.drawText(x - xStart, y, s);
 
    if (a->bold && a->italic)
       x += myFontMetricsBI.width(s);
     else if (a->bold)
       x += myFontMetricsBold.width(s);
     else if (a->italic)
       x += myFontMetricsItalic.width(s);
     else
       x += myFontMetrics.width(s);
       }
       zc = z +1;
 
       if (showTabs) {
         nextAttr = textLine->getRawAttr(z);
         if (nextAttr != attr) {
           attr = nextAttr;
           a = &m_attribs[attr & taAttrMask];
 
           if (attr & taSelected) paint.setPen(a->selCol);
             else paint.setPen(a->col);
 
    if (a->bold && a->italic)
      paint.setFont(myFontBI);
     else if (a->bold)
       paint.setFont(myFontBold);
     else if (a->italic)
       paint.setFont(myFontItalic);
     else
       paint.setFont(myFont);
         }
 
 //        paint.drawLine(x - xStart, y -2, x - xStart, y);
 //        paint.drawLine(x - xStart, y, x - xStart + 2, y);
         paint.drawPoint(x - xStart, y);
         paint.drawPoint(x - xStart +1, y);
         paint.drawPoint(x - xStart, y -1);
       }
       x += m_tabWidth - (x % m_tabWidth);
     } else {
       nextAttr = textLine->getRawAttr(z);
       if (nextAttr != attr) {
         if (z > zc) {
           QConstString str((QChar *) &s[zc], z - zc /*+1*/);
           QString s = str.string();
           paint.drawText(x - xStart, y, s);
 
    if (a->bold && a->italic)
       x += myFontMetricsBI.width(s);
     else if (a->bold)
       x += myFontMetricsBold.width(s);
     else if (a->italic)
       x += myFontMetricsItalic.width(s);
     else
       x += myFontMetrics.width(s);
           zc = z;
         }
         attr = nextAttr;
         a = &m_attribs[attr & taAttrMask];
 
         if (attr & taSelected) paint.setPen(a->selCol);
           else paint.setPen(a->col);
 
    if (a->bold && a->italic)
      paint.setFont(myFontBI);
     else if (a->bold)
       paint.setFont(myFontBold);
     else if (a->italic)
       paint.setFont(myFontItalic);
     else
       paint.setFont(myFont);
       }
     }
     z++;
   }
   if (z > zc) {
     QConstString str((QChar *) &s[zc], z - zc /*+1*/);
     paint.drawText(x - xStart, y, str.string());
   }
 }
 
 // Applies the search context, and returns whether a match was found. If one is,
 // the length of the string matched is also returned.
 bool KateDocument::doSearch(SConfig &sc, const QString &searchFor) {
   int line, col;
   int searchEnd;
   int bufLen, tlen;
   QChar *t;
   TextLine::Ptr textLine;
   int pos, newPos;
 
   if (searchFor.isEmpty()) return false;
 
   bufLen = 0;
   t = 0L;
 
   line = sc.cursor.y;
   col = sc.cursor.x;
   if (!(sc.flags & KateView::sfBackward)) {
     //forward search
     if (sc.flags & KateView::sfSelected) {
       if (line < selectStart) {
         line = selectStart;
         col = 0;
       }
       searchEnd = selectEnd;
     } else searchEnd = lastLine();
 
     while (line <= searchEnd) {
       textLine = getTextLine(line);
       tlen = textLine->length();
       if (tlen > bufLen) {
         delete [] t;
         bufLen = (tlen + 255) & (~255);
         t = new QChar[bufLen];
       }
       memcpy(t, textLine->getText(), tlen*sizeof(QChar));
       if (sc.flags & KateView::sfSelected) {
         pos = 0;
         do {
           pos = textLine->findSelected(pos);
           newPos = textLine->findUnselected(pos);
           memset(&t[pos], 0, (newPos - pos)*sizeof(QChar));
           pos = newPos;
         } while (pos < tlen);
       }
 
       QString text(t, tlen);
       if (sc.flags & KateView::sfWholeWords) {
         // Until the end of the line...
         while (col < tlen) {
           // ...find the next match.
           col = sc.search(text, col);
           if (col != -1) {
             // Is the match delimited correctly?
             if (((col == 0) || (!m_highlight->isInWord(t[col]))) &&
               ((col + sc.matchedLength == tlen) || (!m_highlight->isInWord(t[col + sc.matchedLength])))) {
               goto found;
             }
             else {
               // Start again from the next character.
               col++;
             }
           }
           else {
             // No match.
             break;
           }
         }
       }
       else {
         // Non-whole-word search.
         col = sc.search(text, col);
         if (col != -1)
           goto found;
       }
       col = 0;
       line++;
     }
   } else {
     // backward search
     if (sc.flags & KateView::sfSelected) {
       if (line > selectEnd) {
         line = selectEnd;
         col = -1;
       }
       searchEnd = selectStart;
     } else searchEnd = 0;
 
     while (line >= searchEnd) {
       textLine = getTextLine(line);
       tlen = textLine->length();
       if (tlen > bufLen) {
         delete [] t;
         bufLen = (tlen + 255) & (~255);
         t = new QChar[bufLen];
       }
       memcpy(t, textLine->getText(), tlen*sizeof(QChar));
       if (sc.flags & KateView::sfSelected) {
         pos = 0;
         do {
           pos = textLine->findSelected(pos);
           newPos = textLine->findUnselected(pos);
           memset(&t[pos], 0, (newPos - pos)*sizeof(QChar));
           pos = newPos;
         } while (pos < tlen);
       }
 
       if (col < 0 || col > tlen) col = tlen;
 
       QString text(t, tlen);
       if (sc.flags & KateView::sfWholeWords) {
         // Until the beginning of the line...
         while (col >= 0) {
           // ...find the next match.
           col = sc.search(text, col);
           if (col != -1) {
             // Is the match delimited correctly?
             if (((col == 0) || (!m_highlight->isInWord(t[col]))) &&
               ((col + sc.matchedLength == tlen) || (!m_highlight->isInWord(t[col + sc.matchedLength])))) {
               goto found;
             }
             else {
               // Start again from the previous character.
               col--;
             }
           }
           else {
             // No match.
             break;
           }
         }
       }
       else {
         // Non-whole-word search.
         col = sc.search(text, col);
         if (col != -1)
           goto found;
       }
       col = -1;
       line--;
     }
   }
   sc.flags |= KateView::sfWrapped;
   return false;
 found:
   if (sc.flags & KateView::sfWrapped) {
     if ((line > sc.startCursor.y || (line == sc.startCursor.y && col >= sc.startCursor.x))
       ^ ((sc.flags & KateView::sfBackward) != 0)) return false;
   }
   sc.cursor.x = col;
   sc.cursor.y = line;
   return true;
 }
 
 void KateDocument::tagLine(int line) {
 
   if (tagStart > line) tagStart = line;
   if (tagEnd < line) tagEnd = line;
 }
 
 void KateDocument::insLine(int line) {
   KateView *view;
 
   if (selectStart >= line) selectStart++;
   if (selectEnd >= line) selectEnd++;
   if (tagStart >= line) tagStart++;
   if (tagEnd >= line) tagEnd++;
 
   newDocGeometry = true;
   for (view = views.first(); view != 0L; view = views.next() ) {
     view->insLine(line);
   }
 }
 
 void KateDocument::delLine(int line) {
   KateView *view;
 
   if (selectStart >= line && selectStart > 0) selectStart--;
   if (selectEnd >= line) selectEnd--;
   if (tagStart >= line && tagStart > 0) tagStart--;
   if (tagEnd >= line) tagEnd--;
 
   newDocGeometry = true;
   for (view = views.first(); view != 0L; view = views.next() ) {
     view->delLine(line);
   }
 }
 
 void KateDocument::optimizeSelection() {
   TextLine::Ptr textLine;
 
   while (selectStart <= selectEnd) {
     textLine = getTextLine(selectStart);
     if (textLine->isSelected() || textLine->numSelected() > 0) break;
     selectStart++;
   }
   while (selectEnd >= selectStart) {
     textLine = getTextLine(selectEnd);
     if (textLine->isSelected() || textLine->numSelected() > 0) break;
     selectEnd--;
   }
   if (selectStart > selectEnd) {
     selectStart = 0xffffff;
     selectEnd = 0;
   }
 }
 
 void KateDocument::doAction(KateAction *a) {
 
   switch (a->action) {
     case KateAction::replace:
       doReplace(a);
       break;
     case KateAction::wordWrap:
       doWordWrap(a);
       break;
     case KateAction::wordUnWrap:
       doWordUnWrap(a);
       break;
     case KateAction::newLine:
       doNewLine(a);
       break;
     case KateAction::delLine:
       doDelLine(a);
       break;
     case KateAction::insLine:
       doInsLine(a);
       break;
     case KateAction::killLine:
       doKillLine(a);
       break;
 /*    case KateAction::doubleLine:
       break;
     case KateAction::removeLine:
       break;*/
   }
 }
 
 void KateDocument::doReplace(KateAction *a) {
   TextLine::Ptr textLine;
   int l;
 
   //exchange current text with stored text in KateAction *a
 
   textLine = getTextLine(a->cursor.y);
   l = textLine->length() - a->cursor.x;
   if (l > a->len) l = a->len;
 
   QString oldText(&textLine->getText()[a->cursor.x], (l < 0) ? 0 : l);
   textLine->replace(a->cursor.x, a->len, a->text.unicode(), a->text.length());
 
   a->len = a->text.length();
   a->text = oldText;
 
   buffer->changeLine(a->cursor.y);
 
   tagLine(a->cursor.y);
 }
 
 void KateDocument::doWordWrap(KateAction *a) {
   TextLine::Ptr textLine;
 
   textLine = getTextLine(a->cursor.y - 1);
   a->len = textLine->length() - a->cursor.x;
   textLine->wrap(getTextLine(a->cursor.y),a->len);
 
   buffer->changeLine(a->cursor.y - 1);
   buffer->changeLine(a->cursor.y);
 
   tagLine(a->cursor.y - 1);
   tagLine(a->cursor.y);
   if (selectEnd == a->cursor.y - 1) selectEnd++;
 
   a->action = KateAction::wordUnWrap;
 }
 
 void KateDocument::doWordUnWrap(KateAction *a) {
   TextLine::Ptr textLine;
 
   textLine = getTextLine(a->cursor.y - 1);
 //  textLine->setLength(a->len);
   textLine->unWrap(a->len, getTextLine(a->cursor.y),a->cursor.x);
 
   buffer->changeLine(a->cursor.y - 1);
   buffer->changeLine(a->cursor.y);
 
   tagLine(a->cursor.y - 1);
   tagLine(a->cursor.y);
 
   a->action = KateAction::wordWrap;
 }
 
 void KateDocument::doNewLine(KateAction *a) {
   TextLine::Ptr textLine, newLine;
 
   textLine = getTextLine(a->cursor.y);
   newLine = new TextLine(textLine->getRawAttr(), textLine->getContext());
   textLine->wrap(newLine,a->cursor.x);
 
   buffer->insertLine(a->cursor.y + 1, newLine);
   buffer->changeLine(a->cursor.y);
 
   insLine(a->cursor.y + 1);
   tagLine(a->cursor.y);
   tagLine(a->cursor.y + 1);
   if (selectEnd == a->cursor.y) selectEnd++;//addSelection(a->cursor.y + 1);
 
   a->action = KateAction::delLine;
 }
 
 void KateDocument::doDelLine(KateAction *a) {
   TextLine::Ptr textLine, nextLine;
 
   textLine = getTextLine(a->cursor.y);
   nextLine = getTextLine(a->cursor.y+1);
 //  textLine->setLength(a->cursor.x);
   textLine->unWrap(a->cursor.x, nextLine,nextLine->length());
   textLine->setContext(nextLine->getContext());
   if (longestLine == nextLine) longestLine = 0L;
 
   buffer->changeLine(a->cursor.y);
   buffer->removeLine(a->cursor.y+1);
 
   tagLine(a->cursor.y);
   delLine(a->cursor.y + 1);
 
   a->action = KateAction::newLine;
 }
 
 void KateDocument::doInsLine(KateAction *a) {
 
   buffer->insertLine(a->cursor.y, new TextLine());
 
   insLine(a->cursor.y);
 
   a->action = KateAction::killLine;
 }
 
 void KateDocument::doKillLine(KateAction *a) {
   TextLine::Ptr textLine = getTextLine(a->cursor.y);
   if (longestLine == textLine) longestLine = 0L;
 
   buffer->removeLine(a->cursor.y);
 
   delLine(a->cursor.y);
   tagLine(a->cursor.y);
 
   a->action = KateAction::insLine;
 }
 
 void KateDocument::newUndo() {
   KTextEditor::View *view;
   int state;
 
   state = 0;
   if (currentUndo > 0) state |= 1;
   if (currentUndo < (int) undoList.count()) state |= 2;
   undoState = state;
   for (view = m_views.first(); view != 0L; view = m_views.next() ) {
     emit static_cast<KateView *>( view )->newUndo();
   }
 }
 
 void KateDocument::recordStart(VConfig &c, int newUndoType) {
   recordStart(c.view, c.cursor, c.flags, newUndoType);
 }
 
 void KateDocument::recordStart(KateView *, PointStruc &cursor, int flags,
   int newUndoType, bool keepModal, bool mergeUndo) {
 
   KateActionGroup *g;
 
 //  if (newUndoType == KateActionGroup::ugNone) {
     // only a bug would cause this
 //why should someone do this? we can't prevent all programming errors :) (jochen whilhelmy)
 //    debug("KateDocument::recordStart() called with no undo group type!");
 //    return;
 //  }
 
   if (!keepModal) setPseudoModal(0L);
 
   //i optimized the group undo stuff a bit (jochen wilhelmy)
   //  recordReset() is not needed any more
   g = undoList.getLast();
   if (g != 0L && ((undoCount < 1024 && flags & KateView::cfGroupUndo
     && g->end.x == cursor.x && g->end.y == cursor.y) || mergeUndo)) {
 
     //undo grouping : same actions are put into one undo step
     //precondition : new action starts where old stops or mergeUndo flag
     if (g->undoType == newUndoType
       || (g->undoType == KateActionGroup::ugInsChar
         && newUndoType == KateActionGroup::ugInsLine)
       || (g->undoType == KateActionGroup::ugDelChar
         && newUndoType == KateActionGroup::ugDelLine)) {
 
       undoCount++;
       if (g->undoType != newUndoType) undoCount = 0xffffff;
       return;
     }
   }
   undoCount = 0;
 /*
   if (undoView != view) {
     // always kill the current undo group if the editing view changes
     recordReset();
     undoType = newUndoType;
   } else if (newUndoType == undoType) {
 printf("bla!!!\n");
     // same as current type, keep using it
     return;
   } else if  ( (undoType == KateActionGroup::ugInsChar && newUndoType == KateActionGroup::ugInsLine) ||
                (undoType == KateActionGroup::ugDelChar && newUndoType == KateActionGroup::ugDelLine) ) {
     // some type combinations can run together...
     undoType += 1000;
     return;
   } else {
     recordReset();
     undoType = newUndoType;
   }
 
   undoView = view;
 */
   while ((int) undoList.count() > currentUndo) undoList.removeLast();
   while ((int) undoList.count() > undoSteps) {
     undoList.removeFirst();
     currentUndo--;
   }
 
   g = new KateActionGroup(cursor, newUndoType);
   undoList.append(g);
 //  currentUndo++;
 
   tagEnd = 0;
   tagStart = 0xffffff;
 }
 
 void KateDocument::recordAction(KateAction::Action action, PointStruc &cursor) {
   KateAction *a;
 
   a = new KateAction(action, cursor);
   doAction(a);
   undoList.getLast()->insertAction(a);
 }
 
 void KateDocument::recordInsert(VConfig &c, const QString &text) {
   recordReplace(c, 0, text);
 }
 
 void KateDocument::recordReplace(VConfig &c, int len, const QString &text) {
   if (c.cursor.x > 0 && !(c.flags & KateView::cfSpaceIndent)) {
     TextLine::Ptr textLine = getTextLine(c.cursor.y);
     if (textLine->length() == 0) {
       QString s = tabString(c.cursor.x, tabChars);
       int len = s.length();
       s += text;
       c.cursor.x = 0;
       recordReplace(c.cursor, len, s);
       c.cursor.x = len;
       return;
     }
   }
   recordReplace(c.cursor, len, text);
 }
 
 void KateDocument::recordInsert(PointStruc &cursor, const QString &text) {
   recordReplace(cursor, 0, text);
 }
 
 void KateDocument::recordDelete(PointStruc &cursor, int len) {
   recordReplace(cursor, len, QString::null);
 }
 
 void KateDocument::recordReplace(PointStruc &cursor, int len, const QString &text) {
   KateAction *a;
   TextLine::Ptr textLine;
   int l;
 
   if (len == 0 && text.isEmpty()) return;
 
   //try to append to last replace action
   a = undoList.getLast()->action;
   if (a == 0L || a->action != KateAction::replace
     || a->cursor.x + a->len != cursor.x || a->cursor.y != cursor.y) {
 
 //if (a != 0L) printf("new %d %d\n", a->cursor.x + a->len, cursor.x);
     a = new KateAction(KateAction::replace, cursor);
     undoList.getLast()->insertAction(a);
   }
 
   //replace
   textLine = getTextLine(cursor.y);
   l = textLine->length() - cursor.x;
   if (l > len) l = len;
   a->text.insert(a->text.length(), &textLine->getText()[cursor.x], (l < 0) ? 0 : l);
   textLine->replace(cursor.x, len, text.unicode(), text.length());
   a->len += text.length();
 
   buffer->changeLine(a->cursor.y);
   updateMaxLength(textLine);
   tagLine(a->cursor.y);
 }
 
 void KateDocument::recordEnd(VConfig &c) {
   recordEnd(c.view, c.cursor, c.flags);
 }
 
 void KateDocument::recordEnd(KateView *view, PointStruc &cursor, int flags) {
   KateActionGroup *g;
 
   // clear selection if option "persistent selections" is off
 //  if (!(flags & cfPersistent)) deselectAll();
 
   g = undoList.getLast();
   if (g->action == 0L) {
     // no action has been done: remove empty undo record
     undoList.removeLast();
     return;
   }
   // store end cursor position for redo
   g->end = cursor;
   currentUndo = undoList.count();
 
   if (tagStart <= tagEnd) {
     optimizeSelection();
     updateLines(tagStart, tagEnd, flags, cursor.y);
     setModified(true);
   }
 
   view->updateCursor(cursor, flags);
 
 //  newUndo();
 /*
   undoCount++;
   // we limit the number of individual undo operations for sanity - is 1K reasonable?
   // this is also where we handle non-group undo preference
   // if the undo type is singlular, we always finish it now
   if ( undoType == KateActionGroup::ugPaste ||
        undoType == KateActionGroup::ugDelBlock ||
        undoType > 1000 ||
        undoCount > 1024 || !(flags & cfGroupUndo) ) {
 printf("recordend %d %d\n", undoType, undoCount);
     recordReset();
   }
 */
 
   // this should keep the flood of signals down a little...
   if (undoCount == 0) newUndo();
   emit textChanged();
 }
 /*
 void KateDocument::recordReset()
 {
   if (pseudoModal)
     return;
 
   // forces the next call of recordStart() to begin a new undo group
   // not used in normal editing, but used by markFound(), etc.
   undoType = KateActionGroup::ugNone;
   undoCount = 0;
   undoView = NULL;
   undoReported = false;
 printf("recordreset\n");
 }
 */
 
 /*
 void KateDocument::recordDel(PointStruc &cursor, TextLine::Ptr &textLine, int l) {
   int len;
 
   len = textLine->length() - cursor.x;
   if (len > l) len = l;
   if (len > 0) {
     insertUndo(new KateAction(KateAction::replace,cursor,&textLine->getText()[cursor.x],len));
   }
 }
 */
 
 
 void KateDocument::doActionGroup(KateActionGroup *g, int flags, bool undo) {
   KateAction *a, *next;
 
   setPseudoModal(0L);
   if (!(flags & KateView::cfPersistent)) deselectAll();
   tagEnd = 0;
   tagStart = 0xffffff;
 
   a = g->action;
   g->action = 0L;
   while (a) {
     doAction(a);
     next = a->next;
     g->insertAction(a);
     a = next;
   }
   optimizeSelection();
   if (tagStart <= tagEnd) updateLines(tagStart, tagEnd, flags);
 
   // the undo/redo functions set undo to true, all others should leave it
   // alone (default)
   if (!undo) {
     setModified(true);
     newUndo();
   }
 }
 
 int KateDocument::nextUndoType()
 {
   KateActionGroup *g;
 
   if (currentUndo <= 0) return KateActionGroup::ugNone;
   g = undoList.at(currentUndo - 1);
   return g->undoType;
 }
 
 int KateDocument::nextRedoType()
 {
   KateActionGroup *g;
 
   if (currentUndo >= (int) undoList.count()) return KateActionGroup::ugNone;
   g = undoList.at(currentUndo);
 //  if (!g) return KateActionGroup::ugNone;
   return g->undoType;
 }
 
 void KateDocument::undoTypeList(QValueList<int> &lst)
 {
   lst.clear();
   for (int i = currentUndo-1; i>=0 ;i--)
     lst.append(undoList.at(i)->undoType);
 }
 
 void KateDocument::redoTypeList(QValueList<int> &lst)
 {
   lst.clear();
   for (int i = currentUndo+1; i<(int)undoList.count(); i++)
     lst.append(undoList.at(i)->undoType);
 }
 
 void KateDocument::undo(VConfig &c, int count) {
   KateActionGroup *g = 0L;
   int num;
   bool needUpdate = false; // don't update the cursor until completely done
 
   if (count <= 0) return;
 
   for (num = 0 ; num < count ; num++) {
     if (currentUndo <= 0) break;
     currentUndo--;
     g = undoList.at(currentUndo);
     doActionGroup(g, c.flags, true); // do not setModified() or newUndo()
     needUpdate = true;
 
 //    if (num == 0) recordReset();
   }
 
   if (needUpdate) {
     // since we told doActionGroup() not to do this stuff, we need to do it now
     c.view->updateCursor(g->start);
     setModified(true);
     newUndo();
   }
 }
 
 void KateDocument::redo(VConfig &c, int count) {
   KateActionGroup *g = 0L;
   int num;
   bool needUpdate = false; // don't update the cursor until completely done
 
   if (count <= 0) return;
 
   for (num = 0 ; num < count ; num++) {
     if (currentUndo+1 > (int)undoList.count()) break;
     g = undoList.at(currentUndo);
     currentUndo++;
     doActionGroup(g, c.flags, true); // do not setModified() or newUndo()
     needUpdate = true;
 
 //    if (num == 0) recordReset();
   }
 
   if (needUpdate) {
     // since we told doActionGroup() not to do this stuff, we need to do it now
     c.view->updateCursor(g->end);
     setModified(true);
     newUndo();
   }
 }
 
 void KateDocument::clearRedo() {
   // disable redos
   // this was added as an assist to the spell checker
   bool deleted = false;
 
   while ((int) undoList.count() > currentUndo) {
     deleted = true;
     undoList.removeLast();
   }
 
   if (deleted) newUndo();
 }
 
 void KateDocument::setUndoSteps(int steps) {
   if (steps < 5) steps = 5;
   undoSteps = steps;
 }
 
 void KateDocument::setPseudoModal(QWidget *w) {
 //  QWidget *old = pseudoModal;
 
   // (glenebob)
   // this is a temporary hack to make the spell checker work a little
   // better - as kspell progresses, this sort of thing should become
   // obsolete or worked around more cleanly
   // this is relied upon *only* by the spell-check code
   if (pseudoModal && pseudoModal != (QWidget*)1L)
     delete pseudoModal;
 
 //  pseudoModal = 0L;
 //  if (old || w) recordReset();
 
   pseudoModal = w;
 }
 
 
 void KateDocument::newBracketMark(PointStruc &cursor, BracketMark &bm)
 {
   TextLine::Ptr textLine;
   int x, line, count, attr;
   QChar bracket, opposite, ch;
   Attribute *a;
 
   bm.eXPos = -1; //mark bracked mark as invalid
   x = cursor.x -1; // -1 to look at left side of cursor
   if (x < 0) return;
   line = cursor.y; //current line
   count = 0; //bracket counter for nested brackets
 
   textLine = getTextLine(line);
   if (!textLine) return;
 
   bracket = textLine->getChar(x);
   attr = textLine->getAttr(x);
 
   if (bracket == '(' || bracket == '[' || bracket == '{')
   {
     //get opposite bracket
     opposite = ')';
     if (bracket == '[') opposite = ']';
     if (bracket == '{') opposite = '}';
     //get attribute of bracket (opposite bracket must have the same attribute)
     x++;
     while (line - cursor.y < 40) {
       //go to next line on end of line
       while (x >= (int) textLine->length()) {
         line++;
         if (line > lastLine()) return;
         textLine = getTextLine(line);
         x = 0;
       }
       if (textLine->getAttr(x) == attr) {
         //try to find opposite bracked
         ch = textLine->getChar(x);
         if (ch == bracket) count++; //same bracket : increase counter
         if (ch == opposite) {
           count--;
           if (count < 0) goto found;
         }
       }
       x++;
     }
   }
   else if (bracket == ')' || bracket == ']' || bracket == '}')
   {
     opposite = '(';
     if (bracket == ']') opposite = '[';
     if (bracket == '}') opposite = '{';
     x--;
     while (cursor.y - line < 20) {
 
       while (x < 0) {
         line--;
         if (line < 0) return;
         textLine = getTextLine(line);
         x = textLine->length() -1;
       }
       if (textLine->getAttr(x) == attr) {
         ch = textLine->getChar(x);
         if (ch == bracket) count++;
         if (ch == opposite) {
           count--;
           if (count < 0) goto found;
         }
       }
       x--;
     }
   }
   return;
 
 found:
   //cursor position of opposite bracket
   bm.cursor.x = x;
   bm.cursor.y = line;
   //x position (start and end) of related bracket
   bm.sXPos = textWidth(textLine, x);
   a = &m_attribs[attr];
 
    if (a->bold && a->italic)
       bm.eXPos = bm.sXPos + myFontMetricsBI.width(bracket);
     else if (a->bold)
       bm.eXPos = bm.sXPos + myFontMetricsBold.width(bracket);
     else if (a->italic)
       bm.eXPos = bm.sXPos + myFontMetricsItalic.width(bracket);
     else
       bm.eXPos = bm.sXPos + myFontMetrics.width(bracket);
 }
 
 void KateDocument::clipboardChanged() { //slot
 //#if defined(_WS_X11_)
   if (m_singleSelection) {
     disconnect(QApplication::clipboard(), SIGNAL(dataChanged()),
       this, SLOT(clipboardChanged()));
     deselectAll();
     updateViews();
   }
 //#endif
 }
 
 #if 0
 void KateDocument::guiActivateEvent( KParts::GUIActivateEvent *ev )
 {
   KParts::ReadWritePart::guiActivateEvent( ev );
   if ( ev->activated() )
     emit selectionChanged();
 }
 #endif
 
 void KateDocument::setDocName (QString docName)
 {
   myDocName = docName;
   emit nameChanged (this);
 }
 
 void KateDocument::setDocFile (QString docFile)
 {
   m_file = docFile;
   emit fileNameChanged ();
 }
 
 void KateDocument::setMTime()
 {
     if (fileInfo && !fileInfo->fileName().isEmpty()) {
       fileInfo->refresh();
       mTime = fileInfo->lastModified();
     }
 }
 
 void KateDocument::isModOnHD(bool forceReload)
 {
   if (fileInfo && !fileInfo->fileName().isEmpty()) {
     fileInfo->refresh();
     if (fileInfo->lastModified() > mTime) {
       if ( forceReload ||
            (KMessageBox::warningContinueCancel(0,
                (i18n("The file %1 has changed on disk.\nDo you want to reload it?\n\nIf you cancel you will lose these changes next time you save this file")).arg(m_url),
                i18n("File has changed on Disk"),
                i18n("Yes") ) == KMessageBox::Continue)
           )
         reloadFile();
       else
         setMTime();
     }
   }
 }
 
 void KateDocument::reloadFile()
 {
 #warning fixme
 #if 0
   if (fileInfo && !fileInfo->fileName().isEmpty()) {
     KateDocument::openFile();
     setMTime();
   }
 #endif
 }
 
 void KateDocument::slotModChanged()
 {
   emit modStateChanged (this);
 }
 
 QList<Kate::Mark> KateDocument::marks ()
 {
   QList<Kate::Mark> list;
   TextLine::Ptr line;
 
   for (int i=0; i < numLines(); i++)
   {
     line = getTextLine(i);
     if (line->mark() != 0)
     {
       Kate::Mark *mark=new Kate::Mark;
       mark->line = i;
       mark->type = line->mark();
       list.append (mark);
     }
   }
 
   return list;
 }
 
 void KateDocument::flush ()
 {
   if (isReadOnly())
     return;
 
   m_url = QString::null;
   fileInfo->setFile (QString());
   setMTime();
 
   clear();
   updateViews();
 
   emit fileNameChanged ();
 }
 
 void KateDocument::open (const QString &name)
 {
   openURL (name);
 }
 
 void KateDocument::wrapText (uint col)
 {
   int line = 0;
   int z = 0;
 
   while(true)
   {
     TextLine::Ptr l = getTextLine(line);
 
     if (l->length() > col)
     {
       TextLine::Ptr tl = new TextLine();
       buffer->insertLine(line+1,tl);
       const QChar *text = l->getText();
 
       for (z=col; z>0; z--)
       {
         if (z < 1) break;
         if (text[z].isSpace()) break;
       }
 
       if (z < 1) z=col;
 
       l->wrap (tl, z);
     }
 
     line++;
     if (line >= numLines()) break;
   };
 
   newDocGeometry=true;
   updateLines();
   updateViews();
 }
 
 void KateDocument::setWordWrap (bool on)
 {
   if (on != myWordWrap && on)
     wrapText (myWordWrapAt);
 
   myWordWrap = on;
 }
 
 void KateDocument::setWordWrapAt (uint col)
 {
   if (myWordWrapAt != col && myWordWrap)
     wrapText (myWordWrapAt);
 
   myWordWrapAt = col;
 }
 
 void KateDocument::applyWordWrap ()
 {
   wrapText (myWordWrapAt);
 }