Added old abandoned KDE3 version of koffice

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/koffice@1077364 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 649 insertions, 0 deletions

diff --git a/kword/KWFrameLayout.cpp b/kword/KWFrameLayout.cpp
new file mode 100644
index 00000000..93c67e44
--- /dev/null
+++ b/kword/KWFrameLayout.cpp
@@ -0,0 +1,649 @@
+/* This file is part of the KOffice project
+ * Copyright (C) 2002-2005 David Faure <faure@kde.org>
+ * Copyright (C) 2005 Thomas Zander <zander@kde.org>
+ *
+ * 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; version 2.
+
+ * 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., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+#include "KWFrameLayout.h"
+#include "KWFrameList.h"
+#include "KWPageManager.h"
+#include "KWPage.h"
+#include "KWTextFrameSet.h"
+#include "KWDocument.h"
+#include <qtimer.h>
+
+// #define DEBUG_FRAMELAYOUT
+
+#ifdef NDEBUG
+#undef DEBUG_FRAMELAYOUT
+#endif
+
+KWFrameLayout::HeaderFooterFrameset::HeaderFooterFrameset( KWTextFrameSet* fs, int start, int end,
+                                                           double spacing, OddEvenAll oea )
+    : m_frameset(fs), m_startAtPage(start), m_endAtPage(end), m_oddEvenAll(oea),
+      m_spacing(spacing), m_minY( 0 ), m_positioned( false )
+{
+    if ( fs->frameCount() > 0 )
+        m_height = fs->frame(0)->height();
+    else
+        m_height = 20; // whatever. The text layout will resize it.
+    Q_ASSERT( m_height > 0 );
+}
+
+
+void KWFrameLayout::HeaderFooterFrameset::debug()
+{
+#ifdef DEBUG_FRAMELAYOUT
+    HeaderFooterFrameset* hff = this;
+    kdDebug(32002) << " * " << hff->m_frameset->name()
+                   << " pages:" << hff->m_startAtPage << "-" << (hff->m_endAtPage==-1?QString("(all)"):QString::number(hff->m_endAtPage))
+                   << " page-selection:" << (hff->m_oddEvenAll==HeaderFooterFrameset::Odd ? "Odd" :
+                                             hff->m_oddEvenAll==HeaderFooterFrameset::Even ? "Even" : "All")
+                   << " frames:" << hff->m_frameset->frameCount()
+                   << " height:" << hff->m_height
+                   << " spacing:" << hff->m_spacing << endl;
+#endif
+}
+
+bool KWFrameLayout::HeaderFooterFrameset::deleteFramesAfterLast( int lastPage )
+{
+    int lastFrame = lastFrameNumber( lastPage );
+#ifdef DEBUG_FRAMELAYOUT
+    //kdDebug(32002) << " Final cleanup: frameset " << m_frameset->name() << ": lastFrame=" << lastFrame << endl;
+#endif
+
+    KWTextFrameSet* fs = m_frameset;
+
+    // Special case for odd/even headers: keep at least one frame even if it doesn't appear,
+    // otherwise the frame properties are lost.
+    if ( fs->isHeaderOrFooter() && lastFrame == -1 ) {
+        fs->setVisible( false );
+        lastFrame = 0;
+    }
+
+    bool deleted = false;
+    while ( (int)fs->frameCount() - 1 > lastFrame ) {
+#ifdef DEBUG_FRAMELAYOUT
+        kdDebug(32002) << "  Final cleanup: deleting frame " << fs->frameCount() - 1 << " of " << fs->name() << endl;
+#endif
+        fs->deleteFrame( fs->frameCount() - 1 );
+        deleted = true;
+    }
+    return deleted;
+}
+
+int KWFrameLayout::HeaderFooterFrameset::lastFrameNumber( int lastPage ) const {
+    if ( lastPage < m_startAtPage )
+        return -1; // we need none
+    int pg = lastPage;
+    if ( m_endAtPage > -1 )
+        pg = QMIN( m_endAtPage, pg );
+    pg -= m_startAtPage; // always >=0
+    Q_ASSERT( pg >= 0 );
+    switch (m_oddEvenAll) {
+        case Odd:
+        case Even:
+            return pg / 2; // page 0 and 1 -> 0. page 2 and 3 -> 1.
+        case All:
+            return pg; // page 0 -> 0 etc. ;)
+        default:
+            return -1;
+    }
+}
+
+int KWFrameLayout::HeaderFooterFrameset::frameNumberForPage( int page ) const
+{
+    if ( page < m_startAtPage || ( m_endAtPage != -1 && page > m_endAtPage ) )
+        return -1;
+    int pg = page - m_startAtPage; // always >=0
+    switch (m_oddEvenAll) {
+    case Odd:
+        // we test the absolute page number for odd/even, not pg!
+        if ( page % 2 )
+            return pg / 2; // page start+(0 or 1) -> frame 0, page start+(2 or 3) -> frame 1
+        else
+            return -1;
+    case Even:
+        if ( page % 2 == 0 )
+            return pg / 2; // page start+(0 or 1) -> frame 0, page start+(2 or 3) -> frame 1
+        else
+            return -1;
+    case All:
+        return pg; // page 0[+start] -> frame 0, etc.
+    default:
+        return -1;
+    }
+}
+
+/////
+
+void KWFrameLayout::layout( KWFrameSet* mainTextFrameSet, int numColumns,
+                            int fromPage, int toPage, uint flags )
+{
+    //kdDebug(32002) << "KWFrameLayout::layout " << kdBacktrace() << endl;
+    // Just debug stuff
+#ifdef DEBUG_FRAMELAYOUT
+    kdDebug(32002) << "KWFrameLayout::layout " << fromPage << " to " << toPage << endl;
+    Q_ASSERT( toPage >= fromPage );
+    QPtrListIterator<HeaderFooterFrameset> itdbg( m_headersFooters );
+    for ( ; itdbg.current() ; ++itdbg )
+        itdbg.current()->debug();
+    QPtrListIterator<HeaderFooterFrameset> itdbg2( m_footnotes );
+    for ( ; itdbg2.current() ; ++itdbg2 )
+        itdbg2.current()->debug();
+    QPtrListIterator<HeaderFooterFrameset> itdbg3( m_endnotes );
+    for ( ; itdbg3.current() ; ++itdbg3 )
+        itdbg3.current()->debug();
+#endif
+#if 0 // old code
+    // Necessary for end notes: calculate where the text goes down to
+    Q_ASSERT( mainTextFrameSet->type() == FT_TEXT );
+    double textBottom = 0.0;
+    if ( mainTextFrameSet->hasFramesInPageArray() )
+    {
+        KoPoint textBottomPoint;
+        KoTextParag * lastParag = static_cast<KWTextFrameSet *>(mainTextFrameSet)->textDocument()->lastParag();
+        if ( lastParag->isValid() )
+        {
+            QRect rect = lastParag->rect();
+            int bottom = rect.top() + rect.height() + 2; // cf kwtextframeset
+#ifdef DEBUG_FRAMELAYOUT
+            kdDebug(32002) << "bottom LU=" << bottom << endl;
+#endif
+
+            if ( static_cast<KWTextFrameSet *>(mainTextFrameSet)->internalToDocument( QPoint(rect.left(), bottom), textBottomPoint ) )
+                textBottom = textBottomPoint.y();
+        }
+    }
+#ifdef DEBUG_FRAMELAYOUT
+    kdDebug(32002) << "textBottom = " << textBottom << "pt" << endl;
+#endif
+#endif
+    m_framesetsToUpdate.clear();
+    // Necessary for end notes: find out the last frame of the main textframeset
+    KWFrame* lastMainFrame = mainTextFrameSet->frameIterator().getLast();
+    double lastMainFrameBottom = lastMainFrame->bottom(); // before we change it below!
+
+    double ptColumnWidth = m_doc->ptColumnWidth();
+    int mainTextFrameResized = -1; // contains the page number of the first resized main textframe
+
+    // The main loop is: "for each page". We lay out each page separately.
+    for ( int pageNum = fromPage ; pageNum <= toPage ; ++pageNum )
+    {
+        KWPage *page = m_doc->pageManager()->page(pageNum);
+        double top = page->offsetInDocument() + page->topMargin();
+        double bottom = page->offsetInDocument() + page->height() - page->bottomMargin();
+        double left = page->leftMargin();
+        double right = page->width() - page->rightMargin();
+        Q_ASSERT( left < right );
+        KoRect oldColumnRect = firstColumnRect( mainTextFrameSet, pageNum, numColumns );
+#ifdef DEBUG_FRAMELAYOUT
+        kdDebug(32002) << " Page " << pageNum << endl;
+#endif
+
+        // For each header/footer....
+        for ( QPtrListIterator<HeaderFooterFrameset> it( m_headersFooters ); it.current() ; ++it )
+        {
+            int frameNum = it.current()->frameNumberForPage( pageNum );
+            if ( frameNum != -1 )
+            {
+                it.current()->m_positioned = true;
+                KWTextFrameSet* fs = it.current()->m_frameset;
+#ifdef DEBUG_FRAMELAYOUT
+                kdDebug(32002) << " Page " << pageNum << ": adding frame " << frameNum << " from " << fs->name() << endl;
+#endif
+                KoRect rect;
+                if ( fs->isAHeader() ) // add on top
+                {
+                    rect.setRect( left, top, right - left, it.current()->m_height );
+                    top += it.current()->m_height + it.current()->m_spacing;
+                } else // footer, add at bottom
+                {
+                    double frameHeight = it.current()->m_height;
+                    double frameTop = bottom - frameHeight;
+                    rect.setRect( left, frameTop, right - left, frameHeight );
+                    bottom -= frameHeight + it.current()->m_spacing;
+                }
+                Q_ASSERT( bottom > 0 );
+                Q_ASSERT( top < bottom );
+#ifdef DEBUG_FRAMELAYOUT
+                kdDebug(32002) << "     rect:" << rect << "   - new_top:" << top << " new_bottom:" << bottom << endl;
+#endif
+                resizeOrCreateHeaderFooter( fs, frameNum, rect );
+            }
+        }
+
+        // All headers/footers for this page have been done,
+        // now resize the frame from the main textframeset (if any)
+        // the first time _before_ doing the footnotes.
+        resizeMainTextFrame( mainTextFrameSet, pageNum, numColumns, ptColumnWidth, m_doc->ptColumnSpacing(), left, top, bottom, NoFootNote );
+
+        // Recalc footnote pages
+        checkFootNotes();
+
+        bool firstFootNote = true;
+
+        //// Stay seated... We need to know if there are any footnotes on top of us, although we're going
+        //// to lay them out _AFTER_. But we need their total height for the minY stuff.
+        //// So we first iterate over all footnotes of the page, to get their total height.
+        //// Then we'll reduce this height after every footnote being positionned, so it's always
+        //// the "height on top of us".
+        double totalFootNotesHeight = 0;
+        for ( QPtrListIterator<HeaderFooterFrameset> it( m_footnotes ); it.current() ; ++it )
+        {
+            int frameNum = it.current()->frameNumberForPage( pageNum );
+            if ( frameNum != -1 )
+                totalFootNotesHeight += it.current()->m_height;
+        }
+
+        // For each footnote (caller sorted them from bottom to top)
+        for ( QPtrListIterator<HeaderFooterFrameset> it( m_footnotes ); it.current() ; ++it )
+        {
+            int frameNum = it.current()->frameNumberForPage( pageNum );
+            if ( frameNum != -1 )
+            {
+                it.current()->m_positioned = true;
+                totalFootNotesHeight -= it.current()->m_height; // as discussed above
+                KWTextFrameSet* fs = it.current()->m_frameset;
+#ifdef DEBUG_FRAMELAYOUT
+                kdDebug(32002) << " Page " << pageNum << ": adding footnote frame " << frameNum << " from " << fs->name() << endl;
+#endif
+                KoRect rect;
+
+                // When two footnotes are in the same page there should be 0 spacing between them
+                // Yeah, write a generic frame layouter and then realize it's not flexible enough :(
+                if ( fs->isFootEndNote() && !firstFootNote )
+                {
+                    // Undo "bottom -= spacing" (done below). This assumes equal spacing for all footnotes
+                    bottom += it.current()->m_spacing;
+                    bottom -= 1; // keep them one pixel apart though
+                }
+                double frameTop = bottom - it.current()->m_height;
+                double frameHeight = it.current()->m_height;
+
+                Q_ASSERT ( fs->isFootNote() );
+
+                // This is where we add the "total height of the footnotes on top of this one".
+                // The footnote variable can't be behind them....
+
+                double minY = it.current()->m_minY + totalFootNotesHeight;
+#ifdef DEBUG_FRAMELAYOUT
+                kdDebug(32002) << "   footnote: frameHeight=" << frameHeight << " frameTop (" << frameTop << ") <? minY (" << minY << ")" << endl;
+#endif
+                if ( frameTop < minY )
+                {
+                    // Ok, this is the complex case of a footnote var too far down in the page,
+                    // and its footnote text is too big, so both won't fit.
+                    // We do like other WPs: we create a frame on the next page
+                    it.current()->m_endAtPage++; // this will do so
+
+                    // In the current page we stop at minY
+                    frameTop = minY;
+                    frameHeight = bottom - frameTop;
+#ifdef DEBUG_FRAMELAYOUT
+                    kdDebug(32002) << "   footnote: new top=" << frameTop << " new height=" << frameHeight << " remaining height=" << it.current()->m_height - frameHeight << endl;
+#endif
+                    Q_ASSERT( frameHeight < it.current()->m_height );
+                    it.current()->m_height -= frameHeight; // calculate what remains to be done in the next frame
+                    //fnFrameBehavior = KWFrame::Ignore;
+
+                    // Make sure there'll actually be a next page
+                    if ( pageNum == m_doc->pageCount()-1 ) {
+#ifdef DEBUG_FRAMELAYOUT
+                        kdDebug(32002) << "Adding a page for the footnote overflow." << endl;
+#endif
+                        m_doc->appendPage();
+                        m_doc->updateAllFrames();
+                        toPage = m_doc->pageCount()-1;
+                    }
+                }
+
+                rect.setRect( left, frameTop, right - left, frameHeight );
+                bottom -= frameHeight + it.current()->m_spacing;
+                Q_ASSERT( bottom > 0 );
+                Q_ASSERT( top < bottom );
+#ifdef DEBUG_FRAMELAYOUT
+                kdDebug(32002) << "     footnote rect:" << rect << "   - new_top:" << top << " new_bottom:" << bottom << endl;
+#endif
+                resizeOrCreateHeaderFooter( fs, frameNum, rect );
+                firstFootNote = false;
+
+                // We added a footnote, update main text frame size
+#ifdef DEBUG_FRAMELAYOUT
+                kdDebug(32002) << "   Laid out a footnote -> call resizeMainTextFrame/checkFootNotes again" << endl;
+#endif
+                resizeMainTextFrame( mainTextFrameSet, pageNum, numColumns, ptColumnWidth, m_doc->ptColumnSpacing(), left, top, bottom, WithFootNotes );
+                checkFootNotes();
+            }
+        } // for all footnotes
+
+        // Check for endnotes, on the last page of main text
+        // and on any end-notes-only page, i.e. after the last page of main text
+        if ( pageNum >= m_lastMainFramePage && m_doc->hasEndNotes() ) {
+            bool pageHasMainText = ( pageNum == m_lastMainFramePage );
+            if ( pageHasMainText )
+                lastMainFrame->setDrawFootNoteLine( true );
+            double textBottom = pageHasMainText ? lastMainFrameBottom : top;
+            // Leave some space on top of the endnotes, for the horizontal line
+            double endNoteTop = textBottom + m_doc->ptFootnoteBodySpacing();
+#ifdef DEBUG_FRAMELAYOUT
+            kdDebug(32002) << "  Endnotes: textBottom=" << textBottom << "pt, endNoteTop=" << endNoteTop << "pt, bottom=" << bottom << "pt" << endl;
+#endif
+            bool firstEndNote = true;
+            for ( QPtrListIterator<HeaderFooterFrameset> it( m_endnotes ); it.current() ; ++it )
+            {
+                if ( ! it.current()->m_positioned )
+                {
+                    KWTextFrameSet* fs = it.current()->m_frameset;
+#ifdef DEBUG_FRAMELAYOUT
+                    kdDebug(32002) << " Page " << pageNum << ": adding endnote frame from " << fs->name() << endl;
+#endif
+                    double frameHeight = it.current()->m_height;
+                    if ( it.current()->m_startAtPage < 0 ) // not set yet
+                        it.current()->m_startAtPage = pageNum;
+
+                    // Check if the endnote is bigger than the available space
+                    if ( endNoteTop + frameHeight > bottom )
+                    {
+                        // In the current page we stop at bottom
+                        frameHeight = bottom - endNoteTop;
+
+                        if ( frameHeight > 1E-10 ) // means, if frameHeight > 0
+                        {
+#ifdef DEBUG_FRAMELAYOUT
+                            kdDebug(32002) << "   endnote: new height=" << frameHeight << " remaining height=" << it.current()->m_height - frameHeight << endl;
+#endif
+                            Q_ASSERT( frameHeight < it.current()->m_height );
+                            it.current()->m_height -= frameHeight; // calculate what remains to be done in the next frame
+                        } else {
+                            // No room at all on this page. Schedule for next page.
+                            it.current()->m_startAtPage++;
+                            break;
+                        }
+                        // Make sure there'll actually be a next page
+                        if ( pageNum == m_doc->pageCount()-1 ) {
+#ifdef DEBUG_FRAMELAYOUT
+                            kdDebug(32002) << "Adding a page for the endnote overflow." << endl;
+#endif
+                            m_doc->appendPage();
+                            m_doc->updateAllFrames();
+                            toPage = m_doc->pageCount()-1;
+                        }
+                    }
+                    else // It'll all fit in this page
+                    {
+                        it.current()->m_positioned = true;
+                    }
+                    KoRect rect( left, endNoteTop, right - left, frameHeight );
+                    endNoteTop += frameHeight + 1; // not + it.current()->m_spacing;
+                    Q_ASSERT( bottom > 0 );
+#ifdef DEBUG_FRAMELAYOUT
+                    kdDebug(32002) << "     rect:" << rect << "   - new_top:" << endNoteTop << " new_bottom:" << bottom << endl;
+#endif
+                    int frameNum = pageNum - it.current()->m_startAtPage;
+                    resizeOrCreateHeaderFooter( fs, frameNum, rect );
+
+#if 0  // Disabled. The main frame is resized by KWTextFrameSet::slotAfterFormatting already.
+                    if ( pageHasMainText && firstEndNote )
+                    {
+                        // We positionned the first endnote, update main text frame size
+#ifdef DEBUG_FRAMELAYOUT
+                        kdDebug(32002) << "   Laid out an endnote and the page has a maintextframe too -> call resizeMainTextFrame/checkFootNotes again top=" << top << " textBottom=" << textBottom << endl;
+#endif
+                        resizeMainTextFrame( mainTextFrameSet, pageNum, numColumns, ptColumnWidth, m_doc->ptColumnSpacing(), left, top, textBottom, NoChange );
+                    }
+#endif
+                } // if not positionned yet
+                firstEndNote = false; // yes, out of the if
+            } // for all endnotes
+        } // if page can have endnotes
+
+        if ( mainTextFrameResized == -1 ) {
+            // Test if the main text frame for this page was really resized or not.
+            KoRect newColumnRect = firstColumnRect( mainTextFrameSet, pageNum, numColumns );
+#ifdef DEBUG_FRAMELAYOUT
+            kdDebug(32002) << "  Comparing old=" << oldColumnRect << " and new=" << newColumnRect << endl;
+#endif
+            if ( oldColumnRect != newColumnRect ) {
+                mainTextFrameResized = pageNum;
+#ifdef DEBUG_FRAMELAYOUT
+                kdDebug(32002) << "  changed -> mainTextFrameResized=" << mainTextFrameResized << endl;
+#endif
+            }
+        }
+
+    } // for all pages
+    m_lastMainFramePage = lastMainFrame->pageNumber();
+#ifdef DEBUG_FRAMELAYOUT
+    kdDebug(32002) << "m_lastMainFramePage = " << m_lastMainFramePage << " lastMainFrameBottom=" << lastMainFrameBottom << endl;
+#endif
+
+    if ( ! ( flags & DontRemovePages ) )
+    {
+        m_doc->updateAllFrames( KWFrameSet::UpdateFramesInPage );
+        // Check if the last page is now empty (e.g. this can happen when removing
+        // some text above an endnote, so the endnote moves up)
+        (void)m_doc->tryRemovingPages();
+    }
+
+    const int lastPage = m_doc->lastPage();
+    // Final cleanup: delete all frames after lastFrameNumber in each frameset
+    QPtrListIterator<HeaderFooterFrameset> it( m_headersFooters );
+    for ( ; it.current() ; ++it )
+        if ( it.current()->deleteFramesAfterLast( lastPage ) )
+            m_framesetsToUpdate.insert( it.current()->m_frameset, true );
+    QPtrListIterator<HeaderFooterFrameset> it2( m_footnotes );
+    for ( ; it2.current() ; ++it2 )
+        if ( it2.current()->deleteFramesAfterLast( lastPage ) )
+            m_framesetsToUpdate.insert( it2.current()->m_frameset, true );
+    if ( mainTextFrameSet ) {
+        // For the last main text frameset, we use m_lastMainFramePage, so that
+        // there's no frame on the "end notes only" page(s).
+        int lastFrame = m_lastMainFramePage * numColumns + (numColumns-1);
+#ifdef DEBUG_FRAMELAYOUT
+        kdDebug(32002) << "lastFrame: " << lastFrame << " due to " << m_lastMainFramePage << endl;
+#endif
+        bool deleted = false;
+        while ( (int)mainTextFrameSet->frameCount() - 1 > lastFrame ) {
+#ifdef DEBUG_FRAMELAYOUT
+            kdDebug(32002) << "  Final cleanup: deleting frame " << mainTextFrameSet->frameCount() - 1 << " of main textframeset (lastFrame=" << lastFrame << ")" << endl;
+#endif
+            mainTextFrameSet->deleteFrame( mainTextFrameSet->frameCount() - 1, true, false /*do not updateFrames!*/ );
+            deleted = true;
+        }
+        if ( deleted )
+            m_framesetsToUpdate.insert( mainTextFrameSet, true );
+        // The last frame before the first endnote, is in auto-extend mode
+        if ( m_doc->hasEndNotes() ) {
+            KWFrame* lastMainFrame = mainTextFrameSet->frameIterator().getLast();
+            if ( lastMainFrame->frameBehavior() != KWFrame::AutoExtendFrame )
+            {
+                lastMainFrame->setFrameBehavior( KWFrame::AutoExtendFrame );
+                // make sure it gets resized
+                if ( mainTextFrameResized == -1 )
+                    mainTextFrameResized = lastMainFrame->pageNumber();
+            }
+        }
+    }
+
+    QMap<KWFrameSet*, bool>::iterator fsit = m_framesetsToUpdate.begin();
+    for ( ; fsit != m_framesetsToUpdate.end() ; ++fsit )
+        fsit.key()->updateFrames();
+
+    // ## TODO: only if something changed? (resizing, new frames, or deleted frames...)
+    KWFrameList::recalcFrames(m_doc, fromPage, toPage);
+
+    if ( mainTextFrameResized != -1 && mainTextFrameSet->type() == FT_TEXT ) {
+#ifdef DEBUG_FRAMELAYOUT
+        kdDebug(32002) << " Done. First maintextframe resized: " << mainTextFrameResized << endl;
+#endif
+        KWTextFrameSet* fs = static_cast<KWTextFrameSet *>(mainTextFrameSet);
+
+        // Not right now, this could be called during formatting...
+        //m_doc->invalidate();
+        // ### This means the layout will be done during painting. Not good.
+        // What about mainTextFrameSet->invalidate() or even layout()?
+        //QTimer::singleShot( 0, m_doc, SLOT( invalidate() ) );
+
+        // Invalidate main textframeset only, and from top of page only.
+        // Otherwise loading a long document (with headers/footers) takes ages,
+        // if we redo it all from the beginning at each new page!
+        int topLU, bottomLU;
+        if ( fs->minMaxInternalOnPage( mainTextFrameResized, topLU, bottomLU ) )
+        {
+            // Find parag at topLU
+            KoTextParag* parag = fs->paragAtLUPos( topLU );
+            if ( parag ) {
+#ifdef DEBUG_FRAMELAYOUT
+                kdDebug(32002) << " Invalidating from parag " << parag->paragId() << endl;
+#endif
+                fs->textObject()->setLastFormattedParag( parag );
+                fs->textObject()->formatMore( 2 );
+            }
+        }
+    }
+}
+
+void KWFrameLayout::resizeOrCreateHeaderFooter( KWTextFrameSet* headerFooter, uint frameNumber, const KoRect& rect )
+{
+    if ( frameNumber < headerFooter->frameCount() ) {
+        KWFrame* frame = headerFooter->frame( frameNumber );
+        if ( *frame == rect )
+            return;
+        frame->setRect( rect );
+#ifdef DEBUG_FRAMELAYOUT
+        kdDebug(32002) << "KWFrameLayout::resizeOrCreateHeaderFooter frame " << headerFooter->name() << " " << frame << " resized to " << rect << " pagenum=" << frame->pageNumber() << endl;
+#endif
+    }
+    else
+    {
+#ifdef DEBUG_FRAMELAYOUT
+        kdDebug(32002) << "KWFrameLayout::resizeOrCreateHeaderFooter creating frame for " << headerFooter->name() << endl;
+#endif
+        KWFrame* frame = new KWFrame( headerFooter, rect.x(), rect.y(), rect.width(), rect.height() );
+        frame->setFrameBehavior( KWFrame::AutoExtendFrame );
+        if ( headerFooter->isHeaderOrFooter() ) // not for footnotes!
+        {
+            frame->setNewFrameBehavior( KWFrame::Copy );
+            frame->setCopy( true );
+        }
+        else
+            frame->setNewFrameBehavior( KWFrame::NoFollowup );
+        headerFooter->addFrame( frame, false /*no recalc*/ );
+    }
+    // This updates e.g. availableHeight. Very important in the case
+    // of the footnote frameset with 2 frames.
+    headerFooter->updateFrames( 0 /*fast one*/ );
+    m_framesetsToUpdate.insert( headerFooter, true );
+}
+
+// Called at beginning and end of the layout for a given page,
+// to determine if the main-text-frame layout really changed or not.
+// Testing in resizeMainTextFrame doesn't work, we call it several times,
+// once for each footnote, so it can't detect the "no change" case.
+KoRect KWFrameLayout::firstColumnRect( KWFrameSet* mainTextFrameSet, int pageNum, int numColumns ) const
+{
+    uint frameNum = pageNum * numColumns /*+ col  0 here*/;
+    if ( mainTextFrameSet && frameNum < mainTextFrameSet->frameCount() )
+        return * mainTextFrameSet->frame( frameNum );
+    else
+        return KoRect();
+}
+
+bool KWFrameLayout::resizeMainTextFrame( KWFrameSet* mainTextFrameSet, int pageNum, int numColumns, double ptColumnWidth, double ptColumnSpacing, double left, double top, double bottom, HasFootNotes hasFootNotes )
+{
+    if ( !mainTextFrameSet )
+        return false;
+    bool mainTextFrameResized = false;
+    for ( int col = 0; col < numColumns; col++ ) {
+        Q_ASSERT( bottom > top );
+        // Calculate wanted rect for this frame
+        KoRect rect( left + col * ( ptColumnWidth + ptColumnSpacing ),
+                     top, ptColumnWidth, bottom - top );
+        uint frameNum = (pageNum - m_doc->startPage()) * numColumns + col;
+        KWFrame* frame;
+        if ( frameNum < mainTextFrameSet->frameCount() ) {
+            // Resize existing frame
+            frame = mainTextFrameSet->frame( frameNum );
+            // Special case for last-frame-before-endnotes: don't resize its bottom
+            if ( m_doc->hasEndNotes() && pageNum >= m_lastMainFramePage )
+                rect.setBottom( frame->bottom() );
+            bool resized = (rect != *frame);
+            if ( resized ) {
+#ifdef DEBUG_FRAMELAYOUT
+                kdDebug(32002) << " Page " << pageNum << ": resizing main text frame " << frameNum << "(" << frame << ") to " << rect << endl;
+#endif
+                frame->setRect( rect );
+                frame->updateRulerHandles();
+                mainTextFrameResized = true;
+                mainTextFrameSet->updateFrames( 0xff - KWFrameSet::SortFrames ); // Don't sort frames yet!
+            }
+        } else {
+            // Create new frame
+            frame = new KWFrame( mainTextFrameSet, rect.x(), rect.y(), rect.width(), rect.height() );
+#ifdef DEBUG_FRAMELAYOUT
+            kdDebug(32002) << " Page " << pageNum << ": creating new main text frame " << frameNum << "(" << frame << ") to " << rect << endl;
+#endif
+            mainTextFrameSet->addFrame( frame );
+            Q_ASSERT( frameNum == mainTextFrameSet->frameCount()-1 );
+            mainTextFrameResized = true;
+            mainTextFrameSet->updateFrames( 0xff - KWFrameSet::SortFrames ); // Don't sort frames yet!
+        }
+        if ( hasFootNotes == NoFootNote )
+            frame->setDrawFootNoteLine( false );
+        else if ( hasFootNotes == WithFootNotes )
+            frame->setDrawFootNoteLine( true );
+        // unchanged in the other cases
+        // By default, all main-text frames are in "auto-create new frames" mode
+        frame->setFrameBehavior( KWFrame::AutoCreateNewFrame );
+    }
+    return mainTextFrameResized;
+}
+
+void KWFrameLayout::checkFootNotes()
+{
+    // We recalculate all footnotes pages, but we return true
+    // if those on pageNum have changed.
+    QPtrListIterator<HeaderFooterFrameset> it( m_footnotes );
+    for ( ; it.current() ; ++it )
+    {
+        HeaderFooterFrameset* hff = it.current();
+        if ( ! hff->m_positioned )
+        {
+            Q_ASSERT ( hff->m_frameset->isFootEndNote() );
+            KWFootNoteFrameSet* fnfs = static_cast<KWFootNoteFrameSet *>( hff->m_frameset );
+            KWFootNoteVariable* fnvar = fnfs->footNoteVariable();
+            //necessary to test paragraph because when we delete mutli
+            //footnote, first footnote who delete call setDelete(true)
+            //and force recalc, but with multi footnote deleted
+            //paragraph is null before we apply attribute to
+            //kotextcustom.
+            if ( !fnvar || !fnvar->paragraph() )
+                continue;
+            double varY = fnvar->varY();
+            if ( varY == 0 ) // not able to calculate it yet
+                continue;
+            hff->m_minY = varY + /*2 * */ hff->m_spacing + 2 /* some spacing */;
+            int pageNum = m_doc->pageManager()->pageNumber(varY);
+            if ( pageNum != hff->m_startAtPage ) {
+#ifdef DEBUG_FRAMELAYOUT
+                kdDebug(32002) << " checkFootNotes: found minY=" << hff->m_minY << " start/end=" << pageNum << " for footnote " << fnvar->text() << endl;
+#endif
+                hff->m_startAtPage = pageNum;
+                hff->m_endAtPage = pageNum;
+            }
+        }
+    }
+}