]> git.lyx.org Git - lyx.git/blobdiff - src/text.C
Point fix, earlier forgotten
[lyx.git] / src / text.C
index 14592089cc581b8eecb1ad1c5368a5ebaf0b6c52..b558bd680bd85cf59d01cf5ed6777ffc78bb4f77 100644 (file)
@@ -1,17 +1,22 @@
-/* This file is part of
- * ======================================================
+/**
+ * \file text.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
  *
- *           LyX, The Document Processor
+ * \author Asger Alstrup
+ * \author Lars Gullik Bjønnes
+ * \author Jean-Marc Lasgouttes
+ * \author John Levon
+ * \author André Pönitz
+ * \author Dekel Tsur
+ * \author Jürgen Vigna
  *
- *           Copyright 1995 Matthias Ettrich
- *           Copyright 1995-2001 The LyX Team.
- *
- * ====================================================== */
+ * Full author contact details are available in file CREDITS.
+ */
 
 #include <config.h>
 
 #include "lyxtext.h"
-#include "lyxrow.h"
 #include "paragraph.h"
 #include "gettext.h"
 #include "bufferparams.h"
@@ -64,7 +69,9 @@ extern int const CHANGEBAR_MARGIN = 10;
 /// left margin
 extern int const LEFT_MARGIN = PAPER_MARGIN + CHANGEBAR_MARGIN;
 
-extern int bibitemMaxWidth(BufferView *, LyXFont const &);
+
+
+int bibitemMaxWidth(BufferView *, LyXFont const &);
 
 
 BufferView * LyXText::bv()
@@ -83,120 +90,22 @@ BufferView * LyXText::bv() const
 
 void LyXText::updateRowPositions()
 {
-       RowList::iterator rit = rows().begin();
-       RowList::iterator rend = rows().end();
-       for (int y = 0; rit != rend ; ++rit) {
-               rit->y(y);
-               y += rit->height();
-       }
-}
-
-
-int LyXText::top_y() const
-{
-       if (anchor_row_ == rowlist_.end())
-               return 0;
-
-       return anchor_row_->y() + anchor_row_offset_;
-}
-
-
-void LyXText::top_y(int newy)
-{
-       if (rows().empty())
-               return;
-
-       if (isInInset()) {
-               anchor_row_ = rows().begin();
-               anchor_row_offset_ = newy;
-               return;
-       }
-
-       lyxerr[Debug::GUI] << "setting top y = " << newy << endl;
-
-       int y = newy;
-       RowList::iterator rit = getRowNearY(y);
-
-       if (rit == anchor_row_ && anchor_row_offset_ == newy - y) {
-               lyxerr[Debug::GUI] << "top_y to same value, skipping update" << endl;
-               return;
+       ParagraphList::iterator pit = ownerParagraphs().begin();
+       ParagraphList::iterator end = ownerParagraphs().end();
+       for (height = 0; pit != end; ++pit) {
+               RowList::iterator rit = pit->rows.begin();
+               RowList::iterator rend = pit->rows.end();
+               for ( ; rit != rend ; rit = ++rit) {
+                       rit->y(height);
+                       height += rit->height();
+               }
        }
-
-       anchor_row_ = rit;
-       anchor_row_offset_ = newy - y;
-       lyxerr[Debug::GUI] << "changing reference to row: " << &*anchor_row_
-              << " offset: " << anchor_row_offset_ << endl;
-       postPaint();
-}
-
-
-void LyXText::anchor_row(RowList::iterator rit)
-{
-       int old_y = top_y();
-       anchor_row_offset_ = 0;
-       anchor_row_ = rit;
-       anchor_row_offset_ = old_y - top_y();
-       lyxerr[Debug::GUI] << "anchor_row(): changing reference to row: "
-                          << &*anchor_row_ << " offset: "
-                          << anchor_row_offset_ << endl;
 }
 
 
 int LyXText::workWidth() const
 {
-       if (inset_owner) {
-               // FIXME: pass (const ?) ref
-               return inset_owner->textWidth(bv());
-       }
-       return bv()->workWidth();
-}
-
-
-int LyXText::workWidth(Inset const * inset) const
-{
-       ParagraphList::iterator par = std::find(ownerParagraphs().begin(),
-                                               ownerParagraphs().end(),
-                                               *inset->parOwner());
-       if (par == ownerParagraphs().end()) {
-               lyxerr[Debug::GUI] << "LyXText::workWidth: unexpected\n";
-               return -1;
-       }
-
-       pos_type pos = par->getPositionOfInset(inset);
-       Assert(pos != -1);
-
-       LyXLayout_ptr const & layout = par->layout();
-
-       if (layout->margintype != MARGIN_RIGHT_ADDRESS_BOX) {
-               // Optimization here: in most cases, the real row is
-               // not needed, but only the par/pos values. So we just
-               // construct a dummy row for leftMargin. (JMarc)
-               Row dummyrow;
-               dummyrow.par(par);
-               dummyrow.pos(pos);
-               return workWidth() - leftMargin(dummyrow);
-       } else {
-               int dummy_y;
-               RowList::iterator row = getRow(par, pos, dummy_y);
-               RowList::iterator frow = row;
-               RowList::iterator beg = rowlist_.begin();
-
-               while (frow != beg && frow->par() == boost::prior(frow)->par())
-                       --frow;
-
-               // FIXME: I don't understand this code - jbl
-
-               unsigned int maxw = 0;
-               while (!isParEnd(*this, frow)) {
-                       if ((frow != row) && (maxw < frow->width()))
-                               maxw = frow->width();
-                       ++frow;
-               }
-               if (maxw)
-                       return maxw;
-
-       }
-       return workWidth();
+       return inset_owner ? inset_owner->textWidth() : bv()->workWidth();
 }
 
 
@@ -278,24 +187,27 @@ int LyXText::singleWidth(ParagraphList::iterator pit, pos_type pos) const
                return 0;
 
        char const c = pit->getChar(pos);
-       return singleWidth(pit, pos, c);
+       LyXFont const & font = getFont(pit, pos);
+       return singleWidth(pit, pos, c, font);
 }
 
 
 int LyXText::singleWidth(ParagraphList::iterator pit,
-                        pos_type pos, char c) const
+                        pos_type pos, char c, LyXFont const & font) const
 {
-       if (pos >= pit->size())
+       if (pos >= pit->size()) {
+               lyxerr << "in singleWidth(), pos: " << pos << endl;
+               Assert(false);
                return 0;
+       }
 
-       LyXFont const font = getFont(bv()->buffer(), pit, pos);
 
        // The most common case is handled first (Asger)
        if (IsPrintable(c)) {
                if (font.language()->RightToLeft()) {
-                       if (font.language()->lang() == "arabic" &&
-                           (lyxrc.font_norm_type == LyXRC::ISO_8859_6_8 ||
-                            lyxrc.font_norm_type == LyXRC::ISO_10646_1)) {
+                       if ((lyxrc.font_norm_type == LyXRC::ISO_8859_6_8 ||
+                            lyxrc.font_norm_type == LyXRC::ISO_10646_1)
+                           && font.language()->lang() == "arabic") {
                                if (Encodings::IsComposeChar_arabic(c))
                                        return 0;
                                else
@@ -305,32 +217,16 @@ int LyXText::singleWidth(ParagraphList::iterator pit,
                                return 0;
                }
                return font_metrics::width(c, font);
-
        }
 
        if (c == Paragraph::META_INSET) {
-               Inset * tmpinset = pit->getInset(pos);
-               if (tmpinset) {
-                       if (tmpinset->lyxCode() == Inset::HFILL_CODE) {
-                               // Because of the representation as vertical lines
-                               return 3;
-                       }
-#if 1
-#warning inset->update FIXME
-                       // this IS needed otherwise on initialitation we don't get the fill
-                       // of the row right (ONLY on initialization if we read a file!)
-                       // should be changed! (Jug 20011204)
-                       //tmpinset->update(bv());
-                       Dimension dim;
-                       MetricsInfo mi;
-                       mi.base.bv = bv();
-                       mi.base.font = font;
-                       tmpinset->metrics(mi, dim);
-#endif
-                       //return tmpinset->width(bv(), font);
-                       return dim.wid;
+               InsetOld * tmpinset = pit->getInset(pos);
+               Assert(tmpinset);
+               if (tmpinset->lyxCode() == InsetOld::HFILL_CODE) {
+                       // Because of the representation as vertical lines
+                       return 3;
                }
-               return 0;
+               return tmpinset->width();
        }
 
        if (IsSeparatorChar(c))
@@ -373,8 +269,8 @@ bool LyXText::bidi_InRange(lyx::pos_type pos) const
 }
 
 
-void LyXText::computeBidiTables(Buffer const * buf,
-                               RowList::iterator row) const
+void LyXText::computeBidiTables(ParagraphList::iterator pit,
+   Buffer const & buf, RowList::iterator row) const
 {
        bidi_same_direction = true;
        if (!lyxrc.rtl_support) {
@@ -382,17 +278,15 @@ void LyXText::computeBidiTables(Buffer const * buf,
                return;
        }
 
-       ParagraphList::iterator row_par = row->par();
-
-       Inset * inset = row_par->inInset();
+       InsetOld * inset = pit->inInset();
        if (inset && inset->owner() &&
-           inset->owner()->lyxCode() == Inset::ERT_CODE) {
+           inset->owner()->lyxCode() == InsetOld::ERT_CODE) {
                bidi_start = -1;
                return;
        }
 
        bidi_start = row->pos();
-       bidi_end = lastPrintablePos(*this, row);
+       bidi_end = lastPrintablePos(*pit, row);
 
        if (bidi_start > bidi_end) {
                bidi_start = -1;
@@ -414,25 +308,25 @@ void LyXText::computeBidiTables(Buffer const * buf,
 
        pos_type stack[2];
        bool const rtl_par =
-               row_par->isRightToLeftPar(buf->params);
+               pit->isRightToLeftPar(buf.params);
        int level = 0;
        bool rtl = false;
        bool rtl0 = false;
-       pos_type const body_pos = row_par->beginningOfBody();
+       pos_type const body_pos = pit->beginningOfBody();
 
        for (pos_type lpos = bidi_start; lpos <= bidi_end; ++lpos) {
-               bool is_space = row_par->isLineSeparator(lpos);
+               bool is_space = pit->isLineSeparator(lpos);
                pos_type const pos =
                        (is_space && lpos + 1 <= bidi_end &&
-                        !row_par->isLineSeparator(lpos + 1) &&
-                        !row_par->isNewline(lpos + 1))
+                        !pit->isLineSeparator(lpos + 1) &&
+                        !pit->isNewline(lpos + 1))
                        ? lpos + 1 : lpos;
-               LyXFont font = row_par->getFontSettings(buf->params, pos);
+               LyXFont font = pit->getFontSettings(buf.params, pos);
                if (pos != lpos && 0 < lpos && rtl0 && font.isRightToLeft() &&
                    font.number() == LyXFont::ON &&
-                   row_par->getFontSettings(buf->params, lpos - 1).number()
+                   pit->getFontSettings(buf.params, lpos - 1).number()
                    == LyXFont::ON) {
-                       font = row_par->getFontSettings(buf->params, lpos);
+                       font = pit->getFontSettings(buf.params, lpos);
                        is_space = false;
                }
 
@@ -503,7 +397,7 @@ void LyXText::computeBidiTables(Buffer const * buf,
 
 
 // This method requires a previous call to ComputeBidiTables()
-bool LyXText::isBoundary(Buffer const * buf, Paragraph const & par,
+bool LyXText::isBoundary(Buffer const & buf, Paragraph const & par,
                         pos_type pos) const
 {
        if (!lyxrc.rtl_support || pos == 0)
@@ -518,12 +412,12 @@ bool LyXText::isBoundary(Buffer const * buf, Paragraph const & par,
        bool const rtl = bidi_level(pos - 1) % 2;
        bool const rtl2 = bidi_InRange(pos)
                ? bidi_level(pos) % 2
-               : par.isRightToLeftPar(buf->params);
+               : par.isRightToLeftPar(buf.params);
        return rtl != rtl2;
 }
 
 
-bool LyXText::isBoundary(Buffer const * buf, Paragraph const & par,
+bool LyXText::isBoundary(Buffer const & buf, Paragraph const & par,
                         pos_type pos, LyXFont const & font) const
 {
        if (!lyxrc.rtl_support)
@@ -532,24 +426,16 @@ bool LyXText::isBoundary(Buffer const * buf, Paragraph const & par,
        bool const rtl = font.isVisibleRightToLeft();
        bool const rtl2 = bidi_InRange(pos)
                ? bidi_level(pos) % 2
-               : par.isRightToLeftPar(buf->params);
+               : par.isRightToLeftPar(buf.params);
        return rtl != rtl2;
 }
 
 
-int LyXText::leftMargin(Row const & row) const
+int LyXText::leftMargin(ParagraphList::iterator pit, Row const & row) const
 {
-       Inset * ins;
-
-       if (row.pos() < row.par()->size())
-               if ((row.par()->getChar(row.pos()) == Paragraph::META_INSET) &&
-                   (ins = row.par()->getInset(row.pos())) &&
-                   (ins->needFullRow() || ins->display()))
-                       return LEFT_MARGIN;
-
        LyXTextClass const & tclass =
                bv()->buffer()->params.getLyXTextClass();
-       LyXLayout_ptr const & layout = row.par()->layout();
+       LyXLayout_ptr const & layout = pit->layout();
 
        string parindent = layout->parindent;
 
@@ -560,14 +446,14 @@ int LyXText::leftMargin(Row const & row) const
        // this is the way, LyX handles the LaTeX-Environments.
        // I have had this idea very late, so it seems to be a
        // later added hack and this is true
-       if (!row.par()->getDepth()) {
-               if (row.par()->layout() == tclass.defaultLayout()) {
+       if (!pit->getDepth()) {
+               if (pit->layout() == tclass.defaultLayout()) {
                        // find the previous same level paragraph
-                       if (row.par() != ownerParagraphs().begin()) {
+                       if (pit != ownerParagraphs().begin()) {
                                ParagraphList::iterator newpit =
-                                       depthHook(row.par(), ownerParagraphs(),
-                                                 row.par()->getDepth());
-                               if (newpit == row.par() &&
+                                       depthHook(pit, ownerParagraphs(),
+                                                 pit->getDepth());
+                               if (newpit == pit &&
                                    newpit->layout()->nextnoindent)
                                        parindent.erase();
                        }
@@ -575,7 +461,7 @@ int LyXText::leftMargin(Row const & row) const
        } else {
                // find the next level paragraph
 
-               ParagraphList::iterator newpar = outerHook(row.par(),
+               ParagraphList::iterator newpar = outerHook(pit,
                                                           ownerParagraphs());
 
                // make a corresponding row. Needed to call leftMargin()
@@ -583,14 +469,11 @@ int LyXText::leftMargin(Row const & row) const
                // check wether it is a sufficent paragraph
                if (newpar != ownerParagraphs().end() &&
                    newpar->layout()->isEnvironment()) {
-                       Row dummyrow;
-                       dummyrow.par(newpar);
-                       dummyrow.pos(newpar->size());
-                       x = leftMargin(dummyrow);
+                       x = leftMargin(newpar, Row(newpar->size()));
                }
 
                if (newpar != ownerParagraphs().end() &&
-                   row.par()->layout() == tclass.defaultLayout()) {
+                   pit->layout() == tclass.defaultLayout()) {
                        if (newpar->params().noindent())
                                parindent.erase();
                        else {
@@ -600,17 +483,17 @@ int LyXText::leftMargin(Row const & row) const
                }
        }
 
-       LyXFont const labelfont = getLabelFont(bv()->buffer(), row.par());
+       LyXFont const labelfont = getLabelFont(pit);
        switch (layout->margintype) {
        case MARGIN_DYNAMIC:
                if (!layout->leftmargin.empty()) {
                        x += font_metrics::signedWidth(layout->leftmargin,
                                                  tclass.defaultfont());
                }
-               if (!row.par()->getLabelstring().empty()) {
+               if (!pit->getLabelstring().empty()) {
                        x += font_metrics::signedWidth(layout->labelindent,
                                                  labelfont);
-                       x += font_metrics::width(row.par()->getLabelstring(),
+                       x += font_metrics::width(pit->getLabelstring(),
                                            labelfont);
                        x += font_metrics::width(layout->labelsep, labelfont);
                }
@@ -618,9 +501,9 @@ int LyXText::leftMargin(Row const & row) const
        case MARGIN_MANUAL:
                x += font_metrics::signedWidth(layout->labelindent, labelfont);
                // The width of an empty par, even with manual label, should be 0
-               if (!row.par()->empty() && row.pos() >= row.par()->beginningOfBody()) {
-                       if (!row.par()->getLabelWidthString().empty()) {
-                               x += font_metrics::width(row.par()->getLabelWidthString(),
+               if (!pit->empty() && row.pos() >= pit->beginningOfBody()) {
+                       if (!pit->getLabelWidthString().empty()) {
+                               x += font_metrics::width(pit->getLabelWidthString(),
                                               labelfont);
                                x += font_metrics::width(layout->labelsep, labelfont);
                        }
@@ -628,11 +511,11 @@ int LyXText::leftMargin(Row const & row) const
                break;
        case MARGIN_STATIC:
                x += font_metrics::signedWidth(layout->leftmargin, tclass.defaultfont()) * 4
-                       / (row.par()->getDepth() + 4);
+                       / (pit->getDepth() + 4);
                break;
        case MARGIN_FIRST_DYNAMIC:
                if (layout->labeltype == LABEL_MANUAL) {
-                       if (row.pos() >= row.par()->beginningOfBody()) {
+                       if (row.pos() >= pit->beginningOfBody()) {
                                x += font_metrics::signedWidth(layout->leftmargin,
                                                          labelfont);
                        } else {
@@ -644,7 +527,7 @@ int LyXText::leftMargin(Row const & row) const
                           // theorems (JMarc)
                           || (layout->labeltype == LABEL_STATIC
                               && layout->latextype == LATEX_ENVIRONMENT
-                              && !isFirstInSequence(row.par(), ownerParagraphs()))) {
+                              && !isFirstInSequence(pit, ownerParagraphs()))) {
                        x += font_metrics::signedWidth(layout->leftmargin,
                                                  labelfont);
                } else if (layout->labeltype != LABEL_TOP_ENVIRONMENT
@@ -654,7 +537,7 @@ int LyXText::leftMargin(Row const & row) const
                        x += font_metrics::signedWidth(layout->labelindent,
                                                  labelfont);
                        x += font_metrics::width(layout->labelsep, labelfont);
-                       x += font_metrics::width(row.par()->getLabelstring(),
+                       x += font_metrics::width(pit->getLabelstring(),
                                            labelfont);
                }
                break;
@@ -666,18 +549,12 @@ int LyXText::leftMargin(Row const & row) const
                // are *NOT* allowed in the LaTeX realisation of this layout.
 
                // find the first row of this paragraph
-               RowList::iterator tmprit = rowlist_.begin();
-               while (tmprit != rowlist_.end()
-                      && tmprit->par() != row.par())
-                       ++tmprit;
-
-               int minfill = tmprit->fill();
-               while (boost::next(tmprit) != rowlist_.end() &&
-                      boost::next(tmprit)->par() == row.par()) {
-                       ++tmprit;
-                       if (tmprit->fill() < minfill)
-                               minfill = tmprit->fill();
-               }
+               RowList::iterator rit = pit->rows.begin();
+               RowList::iterator end = pit->rows.end();
+               int minfill = rit->fill();
+               for ( ; rit != end; ++rit)
+                       if (rit->fill() < minfill)
+                               minfill = rit->fill();
 
                x += font_metrics::signedWidth(layout->leftmargin,
                        tclass.defaultfont());
@@ -686,10 +563,8 @@ int LyXText::leftMargin(Row const & row) const
        break;
        }
 
-       if ((workWidth() > 0) &&
-               !row.par()->params().leftIndent().zero())
-       {
-               LyXLength const len = row.par()->params().leftIndent();
+       if (workWidth() > 0 && !pit->params().leftIndent().zero()) {
+               LyXLength const len = pit->params().leftIndent();
                int const tw = inset_owner ?
                        inset_owner->latexTextWidth(bv()) : workWidth();
                x += len.inPixels(tw);
@@ -697,10 +572,10 @@ int LyXText::leftMargin(Row const & row) const
 
        LyXAlignment align;
 
-       if (row.par()->params().align() == LYX_ALIGN_LAYOUT)
+       if (pit->params().align() == LYX_ALIGN_LAYOUT)
                align = layout->align;
        else
-               align = row.par()->params().align();
+               align = pit->params().align();
 
        // set the correct parindent
        if (row.pos() == 0) {
@@ -709,14 +584,14 @@ int LyXText::leftMargin(Row const & row) const
                     || layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT
                     || (layout->labeltype == LABEL_STATIC
                         && layout->latextype == LATEX_ENVIRONMENT
-                        && !isFirstInSequence(row.par(), ownerParagraphs())))
+                        && !isFirstInSequence(pit, ownerParagraphs())))
                    && align == LYX_ALIGN_BLOCK
-                   && !row.par()->params().noindent()
+                   && !pit->params().noindent()
                        // in tabulars and ert paragraphs are never indented!
-                       && (!row.par()->inInset() || !row.par()->inInset()->owner() ||
-                               (row.par()->inInset()->owner()->lyxCode() != Inset::TABULAR_CODE &&
-                                row.par()->inInset()->owner()->lyxCode() != Inset::ERT_CODE))
-                   && (row.par()->layout() != tclass.defaultLayout() ||
+                       && (!pit->inInset() || !pit->inInset()->owner() ||
+                               (pit->inInset()->owner()->lyxCode() != InsetOld::TABULAR_CODE &&
+                                pit->inInset()->owner()->lyxCode() != InsetOld::ERT_CODE))
+                   && (pit->layout() != tclass.defaultLayout() ||
                        bv()->buffer()->params.paragraph_separation ==
                        BufferParams::PARSEP_INDENT)) {
                        x += font_metrics::signedWidth(parindent,
@@ -731,37 +606,28 @@ int LyXText::leftMargin(Row const & row) const
 }
 
 
-int LyXText::rightMargin(Buffer const & buf, Row const & row) const
+int LyXText::rightMargin(ParagraphList::iterator pit,
+       Buffer const & buf, Row const &) const
 {
-       Inset * ins;
-
-       if (row.pos() < row.par()->size())
-               if ((row.par()->getChar(row.pos()) == Paragraph::META_INSET) &&
-                   (ins = row.par()->getInset(row.pos())) &&
-                   (ins->needFullRow() || ins->display()))
-                       return PAPER_MARGIN;
-
        LyXTextClass const & tclass = buf.params.getLyXTextClass();
-       LyXLayout_ptr const & layout = row.par()->layout();
+       LyXLayout_ptr const & layout = pit->layout();
 
-       int x = PAPER_MARGIN
+       return PAPER_MARGIN
                + font_metrics::signedWidth(tclass.rightmargin(),
                                       tclass.defaultfont());
-
-       x += font_metrics::signedWidth(layout->rightmargin,
+               + font_metrics::signedWidth(layout->rightmargin,
                                       tclass.defaultfont())
-               * 4 / (row.par()->getDepth() + 4);
-       return x;
+               * 4 / (pit->getDepth() + 4);
 }
 
 
-int LyXText::labelEnd(Row const & row) const
+int LyXText::labelEnd(ParagraphList::iterator pit, Row const & row) const
 {
-       if (row.par()->layout()->margintype == MARGIN_MANUAL) {
+       if (pit->layout()->margintype == MARGIN_MANUAL) {
                Row tmprow = row;
-               tmprow.pos(row.par()->size());
+               tmprow.pos(pit->size());
                // return the beginning of the body
-               return leftMargin(tmprow);
+               return leftMargin(pit, tmprow);
        }
 
        // LabelEnd is only needed if the layout
@@ -786,12 +652,12 @@ pos_type addressBreakPoint(pos_type i, Paragraph const & par)
 };
 
 
-pos_type LyXText::rowBreakPoint(Row const & row) const
+pos_type LyXText::rowBreakPoint(ParagraphList::iterator pit,
+       Row const & row) const
 {
-       ParagraphList::iterator pit = row.par();
-
        // maximum pixel width of a row.
-       int width = workWidth() - rightMargin(*bv()->buffer(), row);
+       int width = workWidth()
+               - rightMargin(pit, *bv()->buffer(), row);
 
        // inset->textWidth() returns -1 via workWidth(),
        // but why ?
@@ -815,14 +681,18 @@ pos_type LyXText::rowBreakPoint(Row const & row) const
        // or the end of the par, then choose the possible break
        // nearest that.
 
-       int const left = leftMargin(row);
+       int const left = leftMargin(pit, row);
        int x = left;
 
        // pixel width since last breakpoint
        int chunkwidth = 0;
-       bool fullrow = false;
 
        pos_type i = pos;
+
+       // We re-use the font resolution for the entire font span when possible
+       LyXFont font = getFont(pit, i);
+       lyx::pos_type endPosOfFontSpan = pit->getEndPosOfFontSpan(i);
+
        for (; i < last; ++i) {
                if (pit->isNewline(i)) {
                        point = i;
@@ -830,35 +700,36 @@ pos_type LyXText::rowBreakPoint(Row const & row) const
                }
 
                char const c = pit->getChar(i);
+               if (i > endPosOfFontSpan) {
+                       font = getFont(pit, i);
+                       endPosOfFontSpan = pit->getEndPosOfFontSpan(i);
+               }
 
                int thiswidth;
 
                // add the auto-hfill from label end to the body
                if (body_pos && i == body_pos) {
-                       thiswidth = font_metrics::width(layout->labelsep,
-                               getLabelFont(bv()->buffer(), pit));
+                       thiswidth = font_metrics::width(layout->labelsep, getLabelFont(pit));
                        if (pit->isLineSeparator(i - 1))
                                thiswidth -= singleWidth(pit, i - 1);
-                       int left_margin = labelEnd(row);
+                       int left_margin = labelEnd(pit, row);
                        if (thiswidth + x < left_margin)
                                thiswidth = left_margin - x;
-                       thiswidth += singleWidth(pit, i, c);
+                       thiswidth += singleWidth(pit, i, c, font);
                } else {
-                       thiswidth = singleWidth(pit, i, c);
+                       thiswidth = singleWidth(pit, i, c, font);
                }
 
                x += thiswidth;
                chunkwidth += thiswidth;
 
-               Inset * in = pit->isInset(i) ? pit->getInset(i) : 0;
-               fullrow = (in && (in->display() || in->needFullRow()));
+               InsetOld * in = pit->isInset(i) ? pit->getInset(i) : 0;
 
                // break before a character that will fall off
                // the right of the row
                if (x >= width) {
-                       // if no break before or we are at an inset
-                       // that will take up a row, break here
-                       if (point == last || fullrow || chunkwidth >= (width - left)) {
+                       // if no break before, break here
+                       if (point == last || chunkwidth >= (width - left)) {
                                if (pos < i)
                                        point = i - 1;
                                else
@@ -876,24 +747,7 @@ pos_type LyXText::rowBreakPoint(Row const & row) const
                        continue;
                }
 
-               if (!fullrow)
-                       continue;
-
-               // full row insets start at a new row
-               if (i == pos) {
-                       if (pos < last - 1) {
-                               point = i;
-                               if (pit->isLineSeparator(i + 1))
-                                       ++point;
-                       } else {
-                               // to avoid extra rows
-                               point = last;
-                       }
-               } else {
-                       point = i - 1;
-               }
-
-               return point;
+               continue;
        }
 
        if (point == last && x >= width) {
@@ -908,7 +762,7 @@ pos_type LyXText::rowBreakPoint(Row const & row) const
        // manual labels cannot be broken in LaTeX. But we
        // want to make our on-screen rendering of footnotes
        // etc. still break
-       if (!fullrow && body_pos && point < body_pos)
+       if (body_pos && point < body_pos)
                point = body_pos - 1;
 
        return point;
@@ -916,52 +770,63 @@ pos_type LyXText::rowBreakPoint(Row const & row) const
 
 
 // returns the minimum space a row needs on the screen in pixel
-int LyXText::fill(RowList::iterator row, int paper_width) const
+int LyXText::fill(ParagraphList::iterator pit,
+       RowList::iterator row, int paper_width) const
 {
        if (paper_width < 0)
                return 0;
 
        int w;
        // get the pure distance
-       pos_type const last = lastPrintablePos(*this, row);
+       pos_type const last = lastPrintablePos(*pit, row);
 
-       ParagraphList::iterator pit = row->par();
        LyXLayout_ptr const & layout = pit->layout();
 
        // special handling of the right address boxes
        if (layout->margintype == MARGIN_RIGHT_ADDRESS_BOX) {
                int const tmpfill = row->fill();
                row->fill(0); // the minfill in MarginLeft()
-               w = leftMargin(*row);
+               w = leftMargin(pit, *row);
                row->fill(tmpfill);
        } else
-               w = leftMargin(*row);
+               w = leftMargin(pit, *row);
 
        pos_type const body_pos = pit->beginningOfBody();
        pos_type i = row->pos();
 
-       while (i <= last) {
-               if (body_pos > 0 && i == body_pos) {
-                       w += font_metrics::width(layout->labelsep, getLabelFont(bv()->buffer(), pit));
-                       if (pit->isLineSeparator(i - 1))
-                               w -= singleWidth(pit, i - 1);
-                       int left_margin = labelEnd(*row);
-                       if (w < left_margin)
-                               w = left_margin;
+       if (! pit->empty() && i <= last) {
+               // We re-use the font resolution for the entire span when possible
+               LyXFont font = getFont(pit, i);
+               lyx::pos_type endPosOfFontSpan = pit->getEndPosOfFontSpan(i);
+               while (i <= last) {
+                       if (body_pos > 0 && i == body_pos) {
+                               w += font_metrics::width(layout->labelsep, getLabelFont(pit));
+                               if (pit->isLineSeparator(i - 1))
+                                       w -= singleWidth(pit, i - 1);
+                               int left_margin = labelEnd(pit, *row);
+                               if (w < left_margin)
+                                       w = left_margin;
+                       }
+                       char const c = pit->getChar(i);
+                       if (IsPrintable(c) && i > endPosOfFontSpan) {
+                               // We need to get the next font
+                               font = getFont(pit, i);
+                               endPosOfFontSpan = pit->getEndPosOfFontSpan(i);
+                       }
+                       w += singleWidth(pit, i, c, font);
+                       ++i;
                }
-               w += singleWidth(pit, i);
-               ++i;
        }
        if (body_pos > 0 && body_pos > last) {
-               w += font_metrics::width(layout->labelsep, getLabelFont(bv()->buffer(), pit));
+               w += font_metrics::width(layout->labelsep, getLabelFont(pit));
                if (last >= 0 && pit->isLineSeparator(last))
                        w -= singleWidth(pit, last);
-               int const left_margin = labelEnd(*row);
+               int const left_margin = labelEnd(pit, *row);
                if (w < left_margin)
                        w = left_margin;
        }
 
-       int const fill = paper_width - w - rightMargin(*bv()->buffer(), *row);
+       int const fill = paper_width - w - rightMargin(pit, *bv()->buffer(), *row);
 
        // If this case happens, it means that our calculation
        // of the widths of the chars when we do rowBreakPoint()
@@ -973,18 +838,15 @@ int LyXText::fill(RowList::iterator row, int paper_width) const
        if (lyxerr.debugging() && fill < 0) {
                lyxerr[Debug::GUI] << "Eek, fill() was < 0: " << fill
                        << " w " << w << " paper_width " << paper_width
-                       << " right margin " << rightMargin(*bv()->buffer(), *row) << endl;
+                       << " right margin " << rightMargin(pit, *bv()->buffer(), *row) << endl;
        }
-
        return fill;
 }
 
 
 // returns the minimum space a manual label needs on the screen in pixel
-int LyXText::labelFill(Row const & row) const
+int LyXText::labelFill(ParagraphList::iterator pit, Row const & row) const
 {
-       ParagraphList::iterator pit = row.par();
-
        pos_type last = pit->beginningOfBody();
 
        Assert(last > 0);
@@ -1007,7 +869,7 @@ int LyXText::labelFill(Row const & row) const
        int fill = 0;
        string const & labwidstr = pit->params().labelWidthString();
        if (!labwidstr.empty()) {
-               LyXFont const labfont = getLabelFont(bv()->buffer(), pit);
+               LyXFont const labfont = getLabelFont(pit);
                int const labwidth = font_metrics::width(labwidstr, labfont);
                fill = max(labwidth - w, 0);
        }
@@ -1025,85 +887,88 @@ LColor::color LyXText::backgroundColor() const
 }
 
 
-void LyXText::setHeightOfRow(RowList::iterator rit)
+void LyXText::setHeightOfRow(ParagraphList::iterator pit, RowList::iterator rit)
 {
-       Assert(rit != rows().end());
-
        // get the maximum ascent and the maximum descent
-       float layoutasc = 0;
-       float layoutdesc = 0;
-       float tmptop = 0;
-       LyXFont tmpfont;
-       Inset * tmpinset = 0;
-
-       // ok , let us initialize the maxasc and maxdesc value.
-       // This depends in LaTeX of the font of the last character
-       // in the paragraph. The hack below is necessary because
-       // of the possibility of open footnotes
-
-       // Correction: only the fontsize count. The other properties
-       //  are taken from the layoutfont. Nicer on the screen :)
-       ParagraphList::iterator pit = rit->par();
+       double layoutasc = 0;
+       double layoutdesc = 0;
+       double tmptop = 0;
 
+       // ok, let us initialize the maxasc and maxdesc value.
+       // Only the fontsize count. The other properties
+       // are taken from the layoutfont. Nicer on the screen :)
        LyXLayout_ptr const & layout = pit->layout();
 
        // as max get the first character of this row then it can increase but not
        // decrease the height. Just some point to start with so we don't have to
        // do the assignment below too often.
-       LyXFont font = getFont(bv()->buffer(), pit, rit->pos());
+       LyXFont font = getFont(pit, rit->pos());
        LyXFont::FONT_SIZE const tmpsize = font.size();
-       font = getLayoutFont(bv()->buffer(), pit);
+       font = getLayoutFont(pit);
        LyXFont::FONT_SIZE const size = font.size();
        font.setSize(tmpsize);
 
-       LyXFont labelfont = getLabelFont(bv()->buffer(), pit);
+       LyXFont labelfont = getLabelFont(pit);
 
-       float spacing_val = 1.0;
-       if (!pit->params().spacing().isDefault()) {
+       double spacing_val = 1.0;
+       if (!pit->params().spacing().isDefault())
                spacing_val = pit->params().spacing().getValue();
-       } else {
+       else
                spacing_val = bv()->buffer()->params.spacing.getValue();
-       }
        //lyxerr << "spacing_val = " << spacing_val << endl;
 
-       int maxasc = int(font_metrics::maxAscent(font) *
-                        layout->spacing.getValue() *
-                        spacing_val);
+       int maxasc  = int(font_metrics::maxAscent(font) *
+                         layout->spacing.getValue() * spacing_val);
        int maxdesc = int(font_metrics::maxDescent(font) *
-                         layout->spacing.getValue() *
-                         spacing_val);
+                         layout->spacing.getValue() * spacing_val);
 
-       pos_type const pos_end = lastPos(*this, rit);
+       pos_type const pos_end = lastPos(*pit, rit);
        int labeladdon = 0;
        int maxwidth = 0;
 
        if (!pit->empty()) {
+               // We re-use the font resolution for the entire font span when possible
+               LyXFont font = getFont(pit, rit->pos());
+               lyx::pos_type endPosOfFontSpan = pit->getEndPosOfFontSpan(rit->pos());
+
+               // Optimisation
+               Paragraph const & par = *pit;
+
                // Check if any insets are larger
                for (pos_type pos = rit->pos(); pos <= pos_end; ++pos) {
-                       if (pit->isInset(pos)) {
-                               tmpfont = getFont(bv()->buffer(), pit, pos);
-                               tmpinset = pit->getInset(pos);
-                               if (tmpinset) {
-#if 1 // this is needed for deep update on initialitation
-#warning inset->update FIXME
-                                       //tmpinset->update(bv());
-                                       Dimension dim;
-                                       MetricsInfo mi;
-                                       mi.base.bv = bv();
-                                       mi.base.font = tmpfont;
-                                       tmpinset->metrics(mi, dim);
-#endif
-                                       //maxwidth += tmpinset->width(bv(), tmpfont);
-                                       //maxasc = max(maxasc,
-                                       //           tmpinset->ascent(bv(), tmpfont));
-                                       //maxdesc = max(maxdesc,
-                                       //            tmpinset->descent(bv(), tmpfont));
-                                       maxwidth += dim.wid;
-                                       maxasc = max(maxasc, dim.asc);
-                                       maxdesc = max(maxdesc, dim.des);
+                       // Manual inlined optimised version of common case of
+                       // "maxwidth += singleWidth(pit, pos);"
+                       char const c = par.getChar(pos);
+
+                       if (IsPrintable(c)) {
+                               if (pos > endPosOfFontSpan) {
+                                       // We need to get the next font
+                                       font = getFont(pit, pos);
+                                       endPosOfFontSpan = par.getEndPosOfFontSpan(pos);
+                               }
+                               if (! font.language()->RightToLeft()) {
+                                       maxwidth += font_metrics::width(c, font);
+                               } else {
+                                       // Fall-back to normal case
+                                       maxwidth += singleWidth(pit, pos, c, font);
+                                       // And flush font cache
+                                       endPosOfFontSpan = 0;
                                }
                        } else {
-                               maxwidth += singleWidth(pit, pos);
+                               // Special handling of insets - are any larger?
+                               if (par.isInset(pos)) {
+                                       InsetOld const * tmpinset = par.getInset(pos);
+                                       if (tmpinset) {
+                                               maxwidth += tmpinset->width();
+                                               maxasc = max(maxasc, tmpinset->ascent());
+                                               maxdesc = max(maxdesc, tmpinset->descent());
+                                       }
+                               } else {
+                                       // Fall-back to normal case
+                                       maxwidth += singleWidth(pit, pos, c, font);
+                                       // And flush font cache
+                                       endPosOfFontSpan = 0;
+                               }
                        }
                }
        }
@@ -1157,8 +1022,7 @@ void LyXText::setHeightOfRow(RowList::iterator rit)
                // there height depends on the font of the nearest character
                if (pit->params().lineTop())
 
-                       maxasc += 2 * font_metrics::ascent('x', getFont(bv()->buffer(),
-                                       pit, 0));
+                       maxasc += 2 * font_metrics::ascent('x', getFont(pit, 0));
                // and now the pagebreaks
                if (pit->params().pagebreakTop())
                        maxasc += 3 * defaultRowHeight();
@@ -1201,12 +1065,10 @@ void LyXText::setHeightOfRow(RowList::iterator rit)
                        }
 
                        labeladdon = int(
-                               (font_metrics::maxAscent(labelfont) *
-                                layout->spacing.getValue() *
-                                spacing_val)
-                               +(font_metrics::maxDescent(labelfont) *
+                               (font_metrics::maxAscent(labelfont) +
+                                font_metrics::maxDescent(labelfont)) *
                                  layout->spacing.getValue() *
-                                 spacing_val)
+                                 spacing_val
                                + layout->topsep * defaultRowHeight()
                                + layout->labelbottomsep * defaultRowHeight());
                }
@@ -1224,11 +1086,11 @@ void LyXText::setHeightOfRow(RowList::iterator rit)
                                prev->getLabelWidthString() == pit->getLabelWidthString())
                        {
                                layoutasc = (layout->itemsep * defaultRowHeight());
-                       } else if (rit != rows().begin()) {
+                       } else if (rit != firstRow()) {
                                tmptop = layout->topsep;
 
-                               if (boost::prior(pit)->getDepth() >= pit->getDepth())
-                                       tmptop -= boost::prior(rit)->par()->layout()->bottomsep;
+                               //if (boost::prior(pit)->getDepth() >= pit->getDepth())
+                               //      tmptop -= getPar(previousRow(rit))->layout()->bottomsep;
 
                                if (tmptop > 0)
                                        layoutasc = (tmptop * defaultRowHeight());
@@ -1253,12 +1115,10 @@ void LyXText::setHeightOfRow(RowList::iterator rit)
        }
 
        // is it a bottom line?
-       RowList::iterator next_rit = boost::next(rit);
-       if (next_rit == rows().end() || next_rit->par() != pit) {
+       if (boost::next(rit) == pit->rows.end()) {
                // the bottom margin
                ParagraphList::iterator nextpit = boost::next(pit);
-               if (nextpit == ownerParagraphs().end() &&
-                   !isInInset())
+               if (nextpit == ownerParagraphs().end() && !isInInset())
                        maxdesc += PAPER_MARGIN;
 
                // add the vertical spaces, that the user added
@@ -1268,9 +1128,7 @@ void LyXText::setHeightOfRow(RowList::iterator rit)
                // there height depends on the font of the nearest character
                if (pit->params().lineBottom())
                        maxdesc += 2 * font_metrics::ascent('x',
-                                                      getFont(bv()->buffer(),
-                                                              pit,
-                                                              max(pos_type(0), pit->size() - 1)));
+                                       getFont(pit, max(pos_type(0), pit->size() - 1)));
 
                // and now the pagebreaks
                if (pit->params().pagebreakBottom())
@@ -1312,165 +1170,26 @@ void LyXText::setHeightOfRow(RowList::iterator rit)
        maxasc += int(layoutasc * 2 / (2 + pit->getDepth()));
        maxdesc += int(layoutdesc * 2 / (2 + pit->getDepth()));
 
-       // calculate the new height of the text
-       height -= rit->height();
-
        rit->height(maxasc + maxdesc + labeladdon);
        rit->baseline(maxasc + labeladdon);
-
-       height += rit->height();
-
        rit->top_of_text(rit->baseline() - font_metrics::maxAscent(font));
 
-       float x = 0;
-       if (layout->margintype != MARGIN_RIGHT_ADDRESS_BOX) {
-               float dummy;
-               // this IS needed
-               rit->width(maxwidth);
-               prepareToPrint(rit, x, dummy, dummy, dummy, false);
-       }
+       double x = 0;
        rit->width(int(maxwidth + x));
        if (inset_owner) {
                width = max(0, workWidth());
-               RowList::iterator it = rows().begin();
-               RowList::iterator end = rows().end();
-               for (; it != end; ++it) {
-                       if (it->width() > width)
-                               width = it->width();
+               RowList::iterator rit = firstRow();
+               RowList::iterator end = endRow();
+               ParagraphList::iterator it = ownerParagraphs().begin();
+               while (rit != end) {
+                       if (rit->width() > width)
+                               width = rit->width();
+                       nextRow(it, rit);
                }
        }
 }
 
 
-// Appends the implicit specified paragraph before the specified row,
-// start at the implicit given position
-void LyXText::appendParagraph(RowList::iterator rowit)
-{
-       Assert(rowit != rowlist_.end());
-
-       pos_type const last = rowit->par()->size();
-       bool done = false;
-
-       do {
-               pos_type z = rowBreakPoint(*rowit);
-
-               RowList::iterator tmprow = rowit;
-
-               if (z < last) {
-                       ++z;
-                       Row newrow(rowit->par(), z);
-                       rowit = rowlist_.insert(boost::next(rowit), newrow);
-               } else {
-                       done = true;
-               }
-
-               // Set the dimensions of the row
-               // fixed fill setting now by calling inset->update() in
-               // SingleWidth when needed!
-               tmprow->fill(fill(tmprow, workWidth()));
-               setHeightOfRow(tmprow);
-
-       } while (!done);
-}
-
-
-void LyXText::breakAgain(RowList::iterator rit)
-{
-       Assert(rit != rows().end());
-
-       bool not_ready = true;
-
-       do  {
-               pos_type z = rowBreakPoint(*rit);
-               RowList::iterator tmprit = rit;
-               RowList::iterator end = rows().end();
-
-               if (z < rit->par()->size()) {
-                       RowList::iterator next_rit = boost::next(rit);
-
-                       if (next_rit == end ||
-                           (next_rit != end &&
-                            next_rit->par() != rit->par())) {
-                               // insert a new row
-                               ++z;
-                               Row newrow(rit->par(), z);
-                               rit = rowlist_.insert(next_rit, newrow);
-                       } else  {
-                               ++rit;
-                               ++z;
-                               if (rit->pos() == z)
-                                       not_ready = false; // the rest will not change
-                               else {
-                                       rit->pos(z);
-                               }
-                       }
-               } else {
-                       // if there are some rows too much, delete them
-                       // only if you broke the whole paragraph!
-                       RowList::iterator tmprit2 = rit;
-                       while (boost::next(tmprit2) != end
-                              && boost::next(tmprit2)->par() == rit->par()) {
-                               ++tmprit2;
-                       }
-                       while (tmprit2 != rit) {
-                               --tmprit2;
-                               removeRow(boost::next(tmprit2));
-                       }
-                       not_ready = false;
-               }
-
-               // set the dimensions of the row
-               tmprit->fill(fill(tmprit, workWidth()));
-               setHeightOfRow(tmprit);
-       } while (not_ready);
-}
-
-
-// this is just a little changed version of break again
-void LyXText::breakAgainOneRow(RowList::iterator rit)
-{
-       Assert(rit != rows().end());
-
-       pos_type z = rowBreakPoint(*rit);
-       RowList::iterator tmprit = rit;
-       RowList::iterator end = rows().end();
-
-       if (z < rit->par()->size()) {
-               RowList::iterator next_rit = boost::next(rit);
-
-               if (next_rit == end ||
-                   (next_rit != end &&
-                    next_rit->par() != rit->par())) {
-                       // insert a new row
-                       ++z;
-                       Row newrow(rit->par(), z);
-                       rit = rowlist_.insert(next_rit, newrow);
-               } else  {
-                       ++rit;
-                       ++z;
-                       if (rit->pos() != z)
-                               rit->pos(z);
-               }
-       } else {
-               // if there are some rows too much, delete them
-               // only if you broke the whole paragraph!
-               RowList::iterator tmprit2 = rit;
-               while (boost::next(tmprit2) != end
-                      && boost::next(tmprit2)->par() == rit->par()) {
-                       ++tmprit2;
-               }
-               while (tmprit2 != rit) {
-                       --tmprit2;
-                       removeRow(boost::next(tmprit2));
-               }
-       }
-
-       // set the dimensions of the row
-       tmprit->fill(fill(tmprit, workWidth()));
-       setHeightOfRow(tmprit);
-}
-
-
 void LyXText::breakParagraph(ParagraphList & paragraphs, char keep_layout)
 {
        // allow only if at start or end, or all previous is new text
@@ -1488,7 +1207,7 @@ void LyXText::breakParagraph(ParagraphList & paragraphs, char keep_layout)
           && layout->labeltype != LABEL_SENSITIVE)
                return;
 
-       setUndo(bv(), Undo::FINISH, cursor.par());
+       recordUndo(bv(), Undo::ATOMIC, cursor.par());
 
        // Always break behind a space
        //
@@ -1496,7 +1215,6 @@ void LyXText::breakParagraph(ParagraphList & paragraphs, char keep_layout)
        if (cursor.pos() < cursor.par()->size()
             && cursor.par()->isLineSeparator(cursor.pos()))
           cursor.par()->erase(cursor.pos());
-       // cursor.pos(cursor.pos() + 1);
 
        // break the paragraph
        if (keep_layout)
@@ -1509,9 +1227,15 @@ void LyXText::breakParagraph(ParagraphList & paragraphs, char keep_layout)
        // paragraph before or behind and we should react on that one
        // but we can fix this in 1.3.0 (Jug 20020509)
        bool const isempty = (cursor.par()->allowEmpty() && cursor.par()->empty());
-       ::breakParagraph(bv()->buffer()->params, paragraphs, cursor.par(), 
+       ::breakParagraph(bv()->buffer()->params, paragraphs, cursor.par(),
                         cursor.pos(), keep_layout);
 
+#warning Trouble Point! (Lgb)
+       // When ::breakParagraph is called from within an inset we must
+       // ensure that the correct ParagraphList is used. Today that is not
+       // the case and the Buffer::paragraphs is used. Not good. (Lgb)
+       ParagraphList::iterator next_par = boost::next(cursor.par());
+
        // well this is the caption hack since one caption is really enough
        if (layout->labeltype == LABEL_SENSITIVE) {
                if (!cursor.pos())
@@ -1519,7 +1243,7 @@ void LyXText::breakParagraph(ParagraphList & paragraphs, char keep_layout)
                        cursor.par()->applyLayout(tclass.defaultLayout());
                else
                        // set to standard-layout
-                       boost::next(cursor.par())->applyLayout(tclass.defaultLayout());
+                       next_par->applyLayout(tclass.defaultLayout());
        }
 
        // if the cursor is at the beginning of a row without prior newline,
@@ -1527,31 +1251,17 @@ void LyXText::breakParagraph(ParagraphList & paragraphs, char keep_layout)
        // This touches only the screen-update. Otherwise we would may have
        // an empty row on the screen
        if (cursor.pos() && cursorRow()->pos() == cursor.pos()
-           && !cursorRow()->par()->isNewline(cursor.pos() - 1))
+           && !cursor.par()->isNewline(cursor.pos() - 1))
        {
                cursorLeft(bv());
        }
 
-       postPaint();
-
-       removeParagraph(cursorRow());
-
-       // set the dimensions of the cursor row
-       cursorRow()->fill(fill(cursorRow(), workWidth()));
-
-       setHeightOfRow(cursorRow());
-
-#warning Trouble Point! (Lgb)
-       // When ::breakParagraph is called from within an inset we must
-       // ensure that the correct ParagraphList is used. Today that is not
-       // the case and the Buffer::paragraphs is used. Not good. (Lgb)
-       ParagraphList::iterator next_par = boost::next(cursor.par());
-
        while (!next_par->empty() && next_par->isNewline(0))
                next_par->erase(0);
 
-       insertParagraph(next_par, boost::next(cursorRow()));
        updateCounters();
+       redoParagraph(cursor.par());
+       redoParagraph(next_par);
 
        // This check is necessary. Otherwise the new empty paragraph will
        // be deleted automatically. And it is more friendly for the user!
@@ -1559,19 +1269,14 @@ void LyXText::breakParagraph(ParagraphList & paragraphs, char keep_layout)
                setCursor(next_par, 0);
        else
                setCursor(cursor.par(), 0);
-
-       if (boost::next(cursorRow()) != rows().end())
-               breakAgain(boost::next(cursorRow()));
-
-       need_break_row = rows().end();
 }
 
 
-// Just a macro to make some thing easier.
+// convenience function
 void LyXText::redoParagraph()
 {
        clearSelection();
-       redoParagraphs(cursor, boost::next(cursor.par()));
+       redoParagraph(cursor.par());
        setCursorIntern(cursor.par(), cursor.pos());
 }
 
@@ -1580,13 +1285,13 @@ void LyXText::redoParagraph()
 // same Paragraph one to the right and make a rebreak
 void LyXText::insertChar(char c)
 {
-       setUndo(bv(), Undo::INSERT, cursor.par());
+       recordUndo(bv(), Undo::INSERT, cursor.par());
 
        // When the free-spacing option is set for the current layout,
        // disable the double-space checking
 
-       bool const freeSpacing = cursorRow()->par()->layout()->free_spacing ||
-               cursorRow()->par()->isFreeSpacing();
+       bool const freeSpacing = cursor.par()->layout()->free_spacing ||
+               cursor.par()->isFreeSpacing();
 
        if (lyxrc.auto_number) {
                static string const number_operators = "+-/*";
@@ -1598,12 +1303,8 @@ void LyXText::insertChar(char c)
                            !(contains(number_seperators, c) &&
                              cursor.pos() >= 1 &&
                              cursor.pos() < cursor.par()->size() &&
-                             getFont(bv()->buffer(),
-                                     cursor.par(),
-                                     cursor.pos()).number() == LyXFont::ON &&
-                             getFont(bv()->buffer(),
-                                     cursor.par(),
-                                     cursor.pos() - 1).number() == LyXFont::ON)
+                             getFont(cursor.par(), cursor.pos()).number() == LyXFont::ON &&
+                             getFont(cursor.par(), cursor.pos() - 1).number() == LyXFont::ON)
                           )
                                number(bv()); // Set current_font.number to OFF
                } else if (IsDigit(c) &&
@@ -1617,16 +1318,16 @@ void LyXText::insertChar(char c)
                                     cursor.par()->isSeparator(cursor.pos() - 2) ||
                                     cursor.par()->isNewline(cursor.pos() - 2))
                                  ) {
-                                       setCharFont(bv()->buffer(),
+                                       setCharFont(
                                                    cursor.par(),
                                                    cursor.pos() - 1,
                                                    current_font);
                                } else if (contains(number_seperators, c) &&
                                           cursor.pos() >= 2 &&
-                                          getFont(bv()->buffer(),
+                                          getFont(
                                                   cursor.par(),
                                                   cursor.pos() - 2).number() == LyXFont::ON) {
-                                       setCharFont(bv()->buffer(),
+                                       setCharFont(
                                                    cursor.par(),
                                                    cursor.pos() - 1,
                                                    current_font);
@@ -1647,18 +1348,10 @@ void LyXText::insertChar(char c)
        // and it should (along with realtmpfont) when we type the space.
        // CHECK There is a bug here! (Asger)
 
-       LyXFont realtmpfont = real_current_font;
-       LyXFont rawtmpfont = current_font;
        // store the current font.  This is because of the use of cursor
        // movements. The moving cursor would refresh the current font
-
-       // Get the font that is used to calculate the baselineskip
-       pos_type const lastpos = cursor.par()->size();
-       LyXFont rawparfont =
-               cursor.par()->getFontSettings(bv()->buffer()->params,
-                                             lastpos - 1);
-
-       bool jumped_over_space = false;
+       LyXFont realtmpfont = real_current_font;
+       LyXFont rawtmpfont = current_font;
 
        if (!freeSpacing && IsLineSeparatorChar(c)) {
                if ((cursor.pos() > 0
@@ -1679,139 +1372,16 @@ void LyXText::insertChar(char c)
                }
        }
 
-       // the display inset stuff
-       if (cursorRow()->pos() < cursorRow()->par()->size()
-           && cursorRow()->par()->isInset(cursorRow()->pos())) {
-               Inset * inset = cursorRow()->par()->getInset(cursorRow()->pos());
-               if (inset && (inset->display() || inset->needFullRow())) {
-                       // force a new break
-                       cursorRow()->fill(-1); // to force a new break
-               }
-       }
-
-       // get the cursor row fist
-       RowList::iterator row = cursorRow();
-       if (c != Paragraph::META_INSET) {
-               // Here case LyXText::InsertInset  already inserted the character
+       // Here case LyXText::InsertInset already inserted the character
+       if (c != Paragraph::META_INSET)
                cursor.par()->insertChar(cursor.pos(), c);
-       }
-       setCharFont(bv()->buffer(), cursor.par(), cursor.pos(), rawtmpfont);
-
-       if (!jumped_over_space) {
-               // refresh the positions
-               RowList::iterator tmprow = row;
-               while (boost::next(tmprow) != rows().end() &&
-                      boost::next(tmprow)->par() == row->par()) {
-                       ++tmprow;
-                       tmprow->pos(tmprow->pos() + 1);
-               }
-       }
-
-       // Is there a break one row above
-       if (row != rows().begin() &&
-           boost::prior(row)->par() == row->par()
-           && (cursor.par()->isLineSeparator(cursor.pos())
-               || cursor.par()->isNewline(cursor.pos())
-               || ((cursor.pos() + 1 < cursor.par()->size()) &&
-                   cursor.par()->isInset(cursor.pos() + 1))
-               || cursorRow()->fill() == -1))
-       {
-               pos_type z = rowBreakPoint(*boost::prior(row));
-
-               if (z >= row->pos()) {
-                       row->pos(z + 1);
-
-                       // set the dimensions of the row above
-                       boost::prior(row)->fill(fill(
-                                                  boost::prior(row),
-                                                  workWidth()));
-
-                       setHeightOfRow(boost::prior(row));
-
-                       postPaint();
-
-                       breakAgainOneRow(row);
 
-                       current_font = rawtmpfont;
-                       real_current_font = realtmpfont;
-                       setCursor(cursor.par(), cursor.pos() + 1,
-                                 false, cursor.boundary());
-                       // cursor MUST be in row now.
-
-                       RowList::iterator next_row = boost::next(row);
-                       if (next_row != rows().end() &&
-                           next_row->par() == row->par())
-                               need_break_row = next_row;
-                       else
-                               need_break_row = rows().end();
-
-                       // check, wether the last characters font has changed.
-                       if (cursor.pos() && cursor.pos() == cursor.par()->size()
-                           && rawparfont != rawtmpfont)
-                               redoHeightOfParagraph();
-
-                       charInserted();
-                       return;
-               }
-       }
-
-       // recalculate the fill of the row
-       if (row->fill() >= 0) {
-               // needed because a newline will set fill to -1. Otherwise
-               // we would not get a rebreak!
-               row->fill(fill(row, workWidth()));
-       }
+       setCharFont(cursor.par(), cursor.pos(), rawtmpfont);
 
-       if (c == Paragraph::META_INSET || row->fill() < 0) {
-               postPaint();
-               breakAgainOneRow(row);
-
-               RowList::iterator next_row = boost::next(row);
-
-               // will the cursor be in another row now?
-               if (lastPos(*this, row) <= cursor.pos() + 1 &&
-                   next_row != rows().end()) {
-                       if (next_row != rows().end() &&
-                           next_row->par() == row->par()) {
-                               // this should always be true
-                               ++row;
-                       }
-
-                       breakAgainOneRow(row);
-               }
-               current_font = rawtmpfont;
-               real_current_font = realtmpfont;
-
-               setCursor(cursor.par(), cursor.pos() + 1, false,
-                         cursor.boundary());
-               if (isBoundary(bv()->buffer(), *cursor.par(), cursor.pos())
-                   != cursor.boundary())
-                       setCursor(cursor.par(), cursor.pos(), false,
-                         !cursor.boundary());
-
-               next_row = boost::next(row);
-
-               if (next_row != rows().end() &&
-                   next_row->par() == row->par())
-                       need_break_row = next_row;
-               else
-                       need_break_row = rows().end();
-       } else {
-               // FIXME: similar code is duplicated all over - make resetHeightOfRow
-               setHeightOfRow(row);
-               postPaint();
-
-               current_font = rawtmpfont;
-               real_current_font = realtmpfont;
-               setCursor(cursor.par(), cursor.pos() + 1, false,
-                         cursor.boundary());
-       }
-
-       // check, wether the last characters font has changed.
-       if (cursor.pos() && cursor.pos() == cursor.par()->size()
-           && rawparfont != rawtmpfont) {
-               redoHeightOfParagraph();
-       }
+       current_font = rawtmpfont;
+       real_current_font = realtmpfont;
+       redoParagraph(cursor.par());
+       setCursor(cursor.par(), cursor.pos() + 1, false, cursor.boundary());
 
        charInserted();
 }
@@ -1819,7 +1389,7 @@ void LyXText::insertChar(char c)
 
 void LyXText::charInserted()
 {
-       // Here we could call FinishUndo for every 20 characters inserted.
+       // Here we could call finishUndo for every 20 characters inserted.
        // This is from my experience how emacs does it. (Lgb)
        static unsigned int counter;
        if (counter < 20) {
@@ -1831,28 +1401,21 @@ void LyXText::charInserted()
 }
 
 
-void LyXText::prepareToPrint(RowList::iterator rit, float & x,
-                            float & fill_separator,
-                            float & fill_hfill,
-                            float & fill_label_hfill,
-                            bool bidi) const
+void LyXText::prepareToPrint(ParagraphList::iterator pit,
+           RowList::iterator const rit) const
 {
-       float w = rit->fill();
-       fill_hfill = 0;
-       fill_label_hfill = 0;
-       fill_separator = 0;
-       fill_label_hfill = 0;
-
-       ParagraphList::iterator pit = rit->par();
+       double w = rit->fill();
+       double fill_hfill = 0;
+       double fill_label_hfill = 0;
+       double fill_separator = 0;
+       double x = 0;
 
        bool const is_rtl =
                pit->isRightToLeftPar(bv()->buffer()->params);
-       if (is_rtl) {
-               x = (workWidth() > 0)
-                       ? rightMargin(*bv()->buffer(), *rit) : 0;
-       } else
-               x = (workWidth() > 0)
-                       ? leftMargin(*rit) : 0;
+       if (is_rtl)
+               x = workWidth() > 0 ? rightMargin(pit, *bv()->buffer(), *rit) : 0;
+       else
+               x = workWidth() > 0 ? leftMargin(pit, *rit) : 0;
 
        // is there a manual margin with a manual label
        LyXLayout_ptr const & layout = pit->layout();
@@ -1860,7 +1423,7 @@ void LyXText::prepareToPrint(RowList::iterator rit, float & x,
        if (layout->margintype == MARGIN_MANUAL
            && layout->labeltype == LABEL_MANUAL) {
                /// We might have real hfills in the label part
-               float nlh = numberOfLabelHfills(*this, rit);
+               int nlh = numberOfLabelHfills(*pit, rit);
 
                // A manual label par (e.g. List) has an auto-hfill
                // between the label text and the body of the
@@ -1871,12 +1434,12 @@ void LyXText::prepareToPrint(RowList::iterator rit, float & x,
                        ++nlh;
 
                if (nlh && !pit->getLabelWidthString().empty()) {
-                       fill_label_hfill = labelFill(*rit) / nlh;
+                       fill_label_hfill = labelFill(pit, *rit) / double(nlh);
                }
        }
 
        // are there any hfills in the row?
-       float const nh = numberOfHfills(*this, rit);
+       int const nh = numberOfHfills(*pit, rit);
 
        if (nh) {
                if (w > 0)
@@ -1884,7 +1447,7 @@ void LyXText::prepareToPrint(RowList::iterator rit, float & x,
        // we don't have to look at the alignment if it is ALIGN_LEFT and
        // if the row is already larger then the permitted width as then
        // we force the LEFT_ALIGN'edness!
-       } else if (static_cast<int>(rit->width()) < workWidth()) {
+       } else if (int(rit->width()) < workWidth()) {
                // is it block, flushleft or flushright?
                // set x how you need it
                int align;
@@ -1893,38 +1456,25 @@ void LyXText::prepareToPrint(RowList::iterator rit, float & x,
                } else {
                        align = pit->params().align();
                }
-
-               // center displayed insets
-               Inset * inset = 0;
-               if (rit->pos() < pit->size()
-                   && pit->isInset(rit->pos())
-                   && (inset = pit->getInset(rit->pos()))
-                   && (inset->display())) // || (inset->scroll() < 0)))
-                   align = (inset->lyxCode() == Inset::MATHMACRO_CODE)
-                       ? LYX_ALIGN_BLOCK : LYX_ALIGN_CENTER;
+               InsetOld * inset = 0;
                // ERT insets should always be LEFT ALIGNED on screen
                inset = pit->inInset();
                if (inset && inset->owner() &&
-                       inset->owner()->lyxCode() == Inset::ERT_CODE)
+                       inset->owner()->lyxCode() == InsetOld::ERT_CODE)
                {
                        align = LYX_ALIGN_LEFT;
                }
 
                switch (align) {
            case LYX_ALIGN_BLOCK:
-           {
-                       float const ns = numberOfSeparators(*this, rit);
+               {
+                       int const ns = numberOfSeparators(*pit, rit);
                        RowList::iterator next_row = boost::next(rit);
-                       ParagraphList::iterator next_pit = next_row->par();
-
-                       if (ns && next_row != rowlist_.end() &&
-                           next_pit == pit &&
-                           !(next_pit->isNewline(next_row->pos() - 1))
-                           && !(next_pit->isInset(next_row->pos()) &&
-                                next_pit->getInset(next_row->pos()) &&
-                                next_pit->getInset(next_row->pos())->display())
+                       if (ns
+                               && next_row != pit->rows.end()
+                               && !pit->isNewline(next_row->pos() - 1)
                                ) {
-                               fill_separator = w / ns;
+                                       fill_separator = w / ns;
                        } else if (is_rtl) {
                                x += w;
                        }
@@ -1938,24 +1488,25 @@ void LyXText::prepareToPrint(RowList::iterator rit, float & x,
                        break;
                }
        }
-       if (!bidi)
-               return;
 
-       computeBidiTables(bv()->buffer(), rit);
+       computeBidiTables(pit, *bv()->buffer(), rit);
        if (is_rtl) {
                pos_type body_pos = pit->beginningOfBody();
-               pos_type last = lastPos(*this, rit);
+               pos_type last = lastPos(*pit, rit);
 
                if (body_pos > 0 &&
-                   (body_pos - 1 > last ||
-                    !pit->isLineSeparator(body_pos - 1))) {
-                       x += font_metrics::width(layout->labelsep,
-                                           getLabelFont(bv()->buffer(),
-                                                        pit));
+                               (body_pos - 1 > last ||
+                                !pit->isLineSeparator(body_pos - 1))) {
+                       x += font_metrics::width(layout->labelsep, getLabelFont(pit));
                        if (body_pos - 1 <= last)
                                x += fill_label_hfill;
                }
        }
+
+       rit->fill_hfill(fill_hfill);
+       rit->fill_label_hfill(fill_label_hfill);
+       rit->fill_separator(fill_separator);
+       rit->x(x);
 }
 
 
@@ -2018,11 +1569,11 @@ void LyXText::acceptChange()
        if (selection.start.par() == selection.end.par()) {
                LyXCursor & startc = selection.start;
                LyXCursor & endc = selection.end;
-               setUndo(bv(), Undo::INSERT, startc.par());
+               recordUndo(bv(), Undo::INSERT, startc.par());
                startc.par()->acceptChange(startc.pos(), endc.pos());
                finishUndo();
                clearSelection();
-               redoParagraphs(startc, boost::next(startc.par()));
+               redoParagraph(startc.par());
                setCursorIntern(startc.par(), 0);
        }
 #warning handle multi par selection
@@ -2037,11 +1588,11 @@ void LyXText::rejectChange()
        if (selection.start.par() == selection.end.par()) {
                LyXCursor & startc = selection.start;
                LyXCursor & endc = selection.end;
-               setUndo(bv(), Undo::INSERT, startc.par());
+               recordUndo(bv(), Undo::INSERT, startc.par());
                startc.par()->rejectChange(startc.pos(), endc.pos());
                finishUndo();
                clearSelection();
-               redoParagraphs(startc, boost::next(startc.par()));
+               redoParagraph(startc.par());
                setCursorIntern(startc.par(), 0);
        }
 #warning handle multi par selection
@@ -2124,9 +1675,7 @@ LyXText::selectNextWordToSpellcheck(float & value)
        // Start the selection from here
        selection.cursor = cursor;
 
-       string lang_code(
-               getFont(bv()->buffer(), cursor.par(), cursor.pos())
-                       .language()->code());
+       string lang_code = getFont(cursor.par(), cursor.pos()).language()->code();
        // and find the end of the word (insets like optional hyphens
        // and ligature break are part of a word)
        while (cursor.pos() < cursor.par()->size()
@@ -2162,7 +1711,7 @@ void LyXText::selectSelectedWord()
 
        // now find the end of the word
        while (cursor.pos() < cursor.par()->size()
-              && (cursor.par()->isLetter(cursor.pos())))
+              && cursor.par()->isLetter(cursor.pos()))
                cursor.pos(cursor.pos() + 1);
 
        setCursor(cursor.par(), cursor.pos());
@@ -2250,7 +1799,7 @@ void LyXText::changeCase(LyXText::TextCase action)
                setCursor(to.par(), to.pos() + 1);
        }
 
-       setUndo(bv(), Undo::FINISH, from.par(), to.par());
+       recordUndo(bv(), Undo::ATOMIC, from.par(), to.par());
 
        pos_type pos = from.pos();
        ParagraphList::iterator pit = from.par();
@@ -2279,13 +1828,8 @@ void LyXText::changeCase(LyXText::TextCase action)
                }
 #warning changes
                pit->setChar(pos, c);
-               checkParagraph(pit, pos);
-
                ++pos;
        }
-
-       if (getRow(to) != getRow(from))
-               postPaint();
 }
 
 
@@ -2320,7 +1864,7 @@ void LyXText::Delete()
                LyXCursor tmpcursor = cursor;
                // to make sure undo gets the right cursor position
                cursor = old_cursor;
-               setUndo(bv(), Undo::DELETE, cursor.par());
+               recordUndo(bv(), Undo::DELETE, cursor.par());
                cursor = tmpcursor;
                backspace();
        }
@@ -2331,9 +1875,6 @@ void LyXText::backspace()
 {
        // Get the font that is used to calculate the baselineskip
        pos_type lastpos = cursor.par()->size();
-       LyXFont rawparfont =
-               cursor.par()->getFontSettings(bv()->buffer()->params,
-                                             lastpos - 1);
 
        if (cursor.pos() == 0) {
                // The cursor is at the beginning of a paragraph,
@@ -2347,11 +1888,12 @@ void LyXText::backspace()
 
                // is it an empty paragraph?
 
-               if ((lastpos == 0
-                    || (lastpos == 1 && cursor.par()->isSeparator(0)))) {
-                       // This is an empty paragraph and we delete it just by moving the cursor one step
-                       // left and let the DeleteEmptyParagraphMechanism handle the actual deletion
-                       // of the paragraph.
+               if (lastpos == 0
+                    || (lastpos == 1 && cursor.par()->isSeparator(0))) {
+                       // This is an empty paragraph and we delete it just
+                       // by moving the cursor one step
+                       // left and let the DeleteEmptyParagraphMechanism
+                       // handle the actual deletion of the paragraph.
 
                        if (cursor.par() != ownerParagraphs().begin()) {
                                ParagraphList::iterator tmppit = boost::prior(cursor.par());
@@ -2367,23 +1909,18 @@ void LyXText::backspace()
                                cursorLeft(bv());
 
                                // the layout things can change the height of a row !
-                               int const tmpheight = cursorRow()->height();
-                               setHeightOfRow(cursorRow());
-                               if (cursorRow()->height() != tmpheight)
-                                       postPaint();
+                               redoParagraph();
                                return;
                        }
                }
 
                if (cursor.par() != ownerParagraphs().begin()) {
-                       setUndo(bv(), Undo::DELETE,
+                       recordUndo(bv(), Undo::DELETE,
                                boost::prior(cursor.par()),
                                cursor.par());
                }
 
                ParagraphList::iterator tmppit = cursor.par();
-               RowList::iterator tmprow = cursorRow();
-
                // We used to do cursorLeftIntern() here, but it is
                // not a good idea since it triggers the auto-delete
                // mechanism. So we do a cursorLeftIntern()-lite,
@@ -2398,12 +1935,7 @@ void LyXText::backspace()
                // Pasting is not allowed, if the paragraphs have different
                // layout. I think it is a real bug of all other
                // word processors to allow it. It confuses the user.
-               // Even so with a footnote paragraph and a non-footnote
-               // paragraph. I will not allow pasting in this case,
-               // because the user would be confused if the footnote behaves
-               // different wether it is open or closed.
-
-               //      Correction: Pasting is always allowed with standard-layout
+               // Correction: Pasting is always allowed with standard-layout
                LyXTextClass const & tclass =
                        bv()->buffer()->params.getLyXTextClass();
 
@@ -2411,222 +1943,35 @@ void LyXText::backspace()
                    && (cursor.par()->layout() == tmppit->layout()
                        || tmppit->layout() == tclass.defaultLayout())
                    && cursor.par()->getAlign() == tmppit->getAlign()) {
-                       removeParagraph(tmprow);
-                       removeRow(tmprow);
-                       mergeParagraph(bv()->buffer()->params, bv()->buffer()->paragraphs, cursor.par());
-
-                       if (!cursor.pos() || !cursor.par()->isSeparator(cursor.pos() - 1))
-                               ; //cursor.par()->insertChar(cursor.pos(), ' ');
-                       // strangely enough it seems that commenting out the line above removes
-                       // most or all of the segfaults. I will however also try to move the
-                       // two Remove... lines in front of the PasteParagraph too.
-                       else
-                               if (cursor.pos())
-                                       cursor.pos(cursor.pos() - 1);
-
-                       postPaint();
-
-                       // remove the lost paragraph
-                       // This one is not safe, since the paragraph that the tmprow and the
-                       // following rows belong to has been deleted by the PasteParagraph
-                       // above. The question is... could this be moved in front of the
-                       // PasteParagraph?
-                       //RemoveParagraph(tmprow);
-                       //RemoveRow(tmprow);
-
-                       // This rebuilds the rows.
-                       appendParagraph(cursorRow());
-                       updateCounters();
+                       mergeParagraph(bv()->buffer()->params,
+                               bv()->buffer()->paragraphs, cursor.par());
+
+                       if (cursor.pos() && cursor.par()->isSeparator(cursor.pos() - 1))
+                               cursor.pos(cursor.pos() - 1);
 
                        // the row may have changed, block, hfills etc.
+                       updateCounters();
                        setCursor(cursor.par(), cursor.pos(), false);
                }
        } else {
                // this is the code for a normal backspace, not pasting
                // any paragraphs
-               setUndo(bv(), Undo::DELETE, cursor.par());
+               recordUndo(bv(), Undo::DELETE, cursor.par());
                // We used to do cursorLeftIntern() here, but it is
                // not a good idea since it triggers the auto-delete
                // mechanism. So we do a cursorLeftIntern()-lite,
                // without the dreaded mechanism. (JMarc)
-               setCursorIntern(cursor.par(), cursor.pos()- 1,
+               setCursorIntern(cursor.par(), cursor.pos() - 1,
                                false, cursor.boundary());
-
-               if (cursor.par()->isInset(cursor.pos())) {
-                       // force complete redo when erasing display insets
-                       // this is a cruel method but safe..... Matthias
-                       if (cursor.par()->getInset(cursor.pos())->display() ||
-                           cursor.par()->getInset(cursor.pos())->needFullRow()) {
-                               cursor.par()->erase(cursor.pos());
-                               redoParagraph();
-                               return;
-                       }
-               }
-
-               RowList::iterator row = cursorRow();
-               int y = cursor.y() - row->baseline();
-               pos_type z;
-               // remember that a space at the end of a row doesnt count
-               // when calculating the fill
-               if (cursor.pos() < lastPos(*this, row) ||
-                   !cursor.par()->isLineSeparator(cursor.pos())) {
-                       row->fill(row->fill() + singleWidth(
-                                                           cursor.par(),
-                                                           cursor.pos()));
-               }
-
-               // some special code when deleting a newline. This is similar
-               // to the behavior when pasting paragraphs
-               if (cursor.pos() && cursor.par()->isNewline(cursor.pos())) {
-                       cursor.par()->erase(cursor.pos());
-                       // refresh the positions
-                       RowList::iterator tmprow = row;
-                       while (boost::next(tmprow) != rows().end() &&
-                              boost::next(tmprow)->par() == row->par()) {
-                               ++tmprow;
-                               tmprow->pos(tmprow->pos() - 1);
-                       }
-                       if (cursor.par()->isLineSeparator(cursor.pos() - 1))
-                               cursor.pos(cursor.pos() - 1);
-
-                       if (cursor.pos() < cursor.par()->size()
-                           && !cursor.par()->isSeparator(cursor.pos())) {
-                               cursor.par()->insertChar(cursor.pos(), ' ');
-                               setCharFont(bv()->buffer(), cursor.par(),
-                                           cursor.pos(), current_font);
-                               // refresh the positions
-                               tmprow = row;
-                               while (boost::next(tmprow) != rows().end() &&
-                                      boost::next(tmprow)->par() == row->par()) {
-                                       ++tmprow;
-                                       tmprow->pos(tmprow->pos() + 1);
-                               }
-                       }
-               } else {
-                       cursor.par()->erase(cursor.pos());
-
-                       // refresh the positions
-                       RowList::iterator tmprow = row;
-                       while (boost::next(tmprow) != rows().end() &&
-                              boost::next(tmprow)->par() == row->par()) {
-                               ++tmprow;
-                               tmprow->pos(tmprow->pos() - 1);
-                       }
-
-                       // delete newlines at the beginning of paragraphs
-                       while (!cursor.par()->empty() &&
-                              cursor.pos() < cursor.par()->size() &&
-                              cursor.par()->isNewline(cursor.pos()) &&
-                              cursor.pos() == cursor.par()->beginningOfBody()) {
-                               cursor.par()->erase(cursor.pos());
-                               // refresh the positions
-                               tmprow = row;
-                               while (boost::next(tmprow) != rows().end() &&
-                                      boost::next(tmprow)->par() == row->par()) {
-                                       ++tmprow;
-                                       tmprow->pos(tmprow->pos() - 1);
-                               }
-                       }
-               }
-
-               // is there a break one row above
-               if (row != rows().begin() && boost::prior(row)->par() == row->par()) {
-                       z = rowBreakPoint(*boost::prior(row));
-                       if (z >= row->pos()) {
-                               row->pos(z + 1);
-
-                               RowList::iterator tmprow = boost::prior(row);
-
-                               // maybe the current row is now empty
-                               if (row->pos() >= row->par()->size()) {
-                                       // remove it
-                                       removeRow(row);
-                                       need_break_row = rows().end();
-                               } else {
-                                       breakAgainOneRow(row);
-                                       if (boost::next(row) != rows().end() &&
-                                           boost::next(row)->par() == row->par())
-                                               need_break_row = boost::next(row);
-                                       else
-                                               need_break_row = rows().end();
-                               }
-
-                               // set the dimensions of the row above
-                               y -= tmprow->height();
-                               tmprow->fill(fill(tmprow, workWidth()));
-                               setHeightOfRow(tmprow);
-                               postPaint();
-
-                               setCursor(cursor.par(), cursor.pos(),
-                                         false, cursor.boundary());
-                               //current_font = rawtmpfont;
-                               //real_current_font = realtmpfont;
-                               // check, whether the last character's font has changed.
-                               if (rawparfont !=
-                                   cursor.par()->getFontSettings(bv()->buffer()->params,
-                                                                 cursor.par()->size() - 1))
-                                       redoHeightOfParagraph();
-                               return;
-                       }
-               }
-
-               // break the cursor row again
-               if (boost::next(row) != rows().end() &&
-                   boost::next(row)->par() == row->par() &&
-                   (lastPos(*this, row) == row->par()->size() - 1 ||
-                    rowBreakPoint(*row) != lastPos(*this, row))) {
-
-                       // it can happen that a paragraph loses one row
-                       // without a real breakup. This is when a word
-                       // is to long to be broken. Well, I don t care this
-                       // hack ;-)
-                       if (lastPos(*this, row) == row->par()->size() - 1)
-                               removeRow(boost::next(row));
-
-                       postPaint();
-
-                       breakAgainOneRow(row);
-                       // will the cursor be in another row now?
-                       if (boost::next(row) != rows().end() &&
-                           boost::next(row)->par() == row->par() &&
-                           lastPos(*this, row) <= cursor.pos()) {
-                               ++row;
-                               breakAgainOneRow(row);
-                       }
-
-                       setCursor(cursor.par(), cursor.pos(), false, cursor.boundary());
-
-                       if (boost::next(row) != rows().end() &&
-                           boost::next(row)->par() == row->par())
-                               need_break_row = boost::next(row);
-                       else
-                               need_break_row = rows().end();
-               } else  {
-                       // set the dimensions of the row
-                       row->fill(fill(row, workWidth()));
-                       setHeightOfRow(row);
-                       postPaint();
-                       setCursor(cursor.par(), cursor.pos(), false, cursor.boundary());
-               }
+               cursor.par()->erase(cursor.pos());
        }
 
-       // current_font = rawtmpfont;
-       // real_current_font = realtmpfont;
-
-       if (isBoundary(bv()->buffer(), *cursor.par(), cursor.pos())
-           != cursor.boundary())
-               setCursor(cursor.par(), cursor.pos(), false,
-                         !cursor.boundary());
-
        lastpos = cursor.par()->size();
        if (cursor.pos() == lastpos)
                setCurrentFont();
 
-       // check, whether the last characters font has changed.
-       if (rawparfont !=
-           cursor.par()->getFontSettings(bv()->buffer()->params, lastpos - 1)) {
-               redoHeightOfParagraph();
-       }
+       redoParagraph();
+       setCursor(cursor.par(), cursor.pos(), false, !cursor.boundary());
 }
 
 
@@ -2645,107 +1990,92 @@ RowList::iterator LyXText::getRow(LyXCursor const & cur) const
 RowList::iterator
 LyXText::getRow(ParagraphList::iterator pit, pos_type pos) const
 {
-       if (rows().empty())
-               return rowlist_.end();
-
-       // find the first row of the specified paragraph
-       RowList::iterator rit = rowlist_.begin();
-       RowList::iterator end = rowlist_.end();
-       while (boost::next(rit) != end && rit->par() != pit) {
-               ++rit;
-       }
+       RowList::iterator rit = boost::prior(pit->rows.end());
+       RowList::iterator const begin = pit->rows.begin();
 
-       // now find the wanted row
-       while (rit->pos() < pos
-              && boost::next(rit) != end
-              && boost::next(rit)->par() == pit
-              && boost::next(rit)->pos() <= pos) {
-               ++rit;
-       }
+       while (rit != begin && rit->pos() > pos)
+               --rit;
 
        return rit;
 }
 
-// returns pointer to a specified row
-RowList::iterator
-LyXText::getRow(ParagraphList::iterator pit, pos_type pos, int & y) const
+
+// returns pointer to some fancy row 'below' specified row
+RowList::iterator LyXText::cursorIRow() const
 {
-       y = 0;
+       return getRow(cursor.par(), cursor.pos());
+}
 
-       if (rows().empty())
-               return rowlist_.end();
 
-       // find the first row of the specified paragraph
-       RowList::iterator rit = rowlist_.begin();
-       RowList::iterator end = rowlist_.end();
-       while (boost::next(rit) != end && rit->par() != pit) {
-               y += rit->height();
-               ++rit;
-       }
+RowList::iterator LyXText::getRowNearY(int y,
+       ParagraphList::iterator & pit) const
+{
+       //lyxerr << "getRowNearY: y " << y << endl;
 
-       // now find the wanted row
-       while (rit->pos() < pos
-              && boost::next(rit) != end
-              && boost::next(rit)->par() == pit
-              && boost::next(rit)->pos() <= pos) {
-               y += rit->height();
-               ++rit;
-       }
+       pit = boost::prior(ownerParagraphs().end());
+
+       RowList::iterator rit = lastRow();
+       RowList::iterator rbegin = firstRow();
+
+       while (rit != rbegin && static_cast<int>(rit->y()) > y)
+               previousRow(pit, rit);
 
        return rit;
 }
 
-// returns pointer to some fancy row 'below' specified row
-RowList::iterator LyXText::cursorIRow() const
+
+int LyXText::getDepth() const
 {
-       int y = 0;
-       return getRow(cursor.par(), cursor.pos(), y);
+       return cursor.par()->getDepth();
 }
 
 
-RowList::iterator LyXText::getRowNearY(int & y) const
+RowList::iterator LyXText::firstRow() const
 {
-       RowList::iterator rit = anchor_row_;
-       RowList::iterator const beg = rows().begin();
-       RowList::iterator const end = rows().end();
+       return ownerParagraphs().front().rows.begin();
+}
 
-       if (rows().empty()) {
-               y = 0;
-               return end;
-       }
-       if (rit == end)
-               rit = beg;
 
-       int tmpy = rit->y();
+RowList::iterator LyXText::lastRow() const
+{
+       return boost::prior(endRow());
+}
 
-       if (tmpy <= y) {
-               while (rit != end && tmpy <= y) {
-                       tmpy += rit->height();
-                       ++rit;
-               }
-               if (rit != beg) {
-                       --rit;
-                       tmpy -= rit->height();
-               }
-       } else {
-               while (rit != beg && tmpy > y) {
-                       --rit;
-                       tmpy -= rit->height();
-               }
-       }
-       if (tmpy < 0 || rit == end) {
-               tmpy = 0;
-               rit = beg;
+
+RowList::iterator LyXText::endRow() const
+{
+       return ownerParagraphs().back().rows.end();
+}
+
+
+void LyXText::nextRow(ParagraphList::iterator & pit,
+       RowList::iterator & rit) const
+{
+       ++rit;
+       if (rit == pit->rows.end()) {
+               ++pit;
+               if (pit == ownerParagraphs().end())
+                       --pit;
+               else
+                       rit = pit->rows.begin();
        }
+}
 
-       // return the rel y
-       y = tmpy;
 
-       return rit;
+void LyXText::previousRow(ParagraphList::iterator & pit,
+       RowList::iterator & rit) const
+{
+       if (rit != pit->rows.begin())
+               --rit;
+       else {
+               Assert(pit != ownerParagraphs().begin());
+               --pit;
+               rit = boost::prior(pit->rows.end());
+       }
 }
 
 
-int LyXText::getDepth() const
+bool LyXText::noRows() const
 {
-       return cursor.par()->getDepth();
+       return ownerParagraphs().begin()->rows.empty();
 }