]> git.lyx.org Git - features.git/blobdiff - src/insets/insettext.C
add ParagraphList::erase, make mergeParagraph take a Buffer* arg, adjust other funcs...
[features.git] / src / insets / insettext.C
index 28af9b8631ca91c45c5ce4ebea873794edbab95d..df7a181653685d6001b87f56c5cc975987120191 100644 (file)
@@ -1,54 +1,57 @@
-/* This file is part of
- * ======================================================
+/**
+ * \file insettext.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
  *
- *           LyX, The Document Processor
+ * \author Jürgen Vigna
  *
- *           Copyright 1998-2001 The LyX Team.
- *
- * ======================================================
+ * Full author contact details are available in file CREDITS
  */
 
 #include <config.h>
 
-#ifdef __GNUG__
-#pragma implementation
-#endif
 
 #include "insettext.h"
-#include "paragraph.h"
-#include "lyxlex.h"
-#include "debug.h"
-#include "lyxfont.h"
+
 #include "buffer.h"
-#include "frontends/LyXView.h"
 #include "BufferView.h"
-#include "LaTeXFeatures.h"
-#include "frontends/Painter.h"
-#include "lyxtext.h"
-#include "lyxcursor.h"
 #include "CutAndPaste.h"
-#include "frontends/font_metrics.h"
+#include "debug.h"
+#include "funcrequest.h"
+#include "gettext.h"
+#include "intl.h"
+#include "LaTeXFeatures.h"
 #include "LColor.h"
+#include "lyxfont.h"
+#include "lyxcursor.h"
+#include "lyxfind.h"
+#include "lyxlex.h"
 #include "lyxrow.h"
 #include "lyxrc.h"
-#include "intl.h"
-#include "trans_mgr.h"
-#include "frontends/screen.h"
-#include "gettext.h"
-#include "lyxfunc.h"
+#include "lyxtext.h"
+#include "paragraph.h"
 #include "ParagraphParameters.h"
+#include "trans_mgr.h"
 #include "undo_funcs.h"
-#include "lyxfind.h"
-#include "funcrequest.h"
+#include "WordLangTuple.h"
+#include "paragraph_funcs.h"
+#include "sgml.h"
+#include "rowpainter.h"
 
 #include "frontends/Alert.h"
 #include "frontends/Dialogs.h"
+#include "frontends/font_metrics.h"
+#include "frontends/LyXView.h"
+#include "frontends/Painter.h"
+#include "frontends/screen.h"
 
 #include "support/textutils.h"
 #include "support/LAssert.h"
 #include "support/lstrings.h"
 #include "support/lyxalgo.h" // lyx::count
 
+#include <boost/bind.hpp>
+
 #include <fstream>
 #include <algorithm>
 #include <cstdlib>
@@ -62,6 +65,7 @@ using std::max;
 using std::make_pair;
 using std::vector;
 using std::pair;
+using std::for_each;
 
 using lyx::pos_type;
 using lyx::textclass_type;
@@ -76,14 +80,14 @@ extern int greek_kb_flag;
 void InsetText::saveLyXTextState(LyXText * t) const
 {
        // check if my paragraphs are still valid
-       Paragraph * p = &*(paragraphs.begin());
-       while (p) {
-               if (p == t->cursor.par())
+       ParagraphList::iterator it = paragraphs.begin();
+       ParagraphList::iterator end = paragraphs.end();
+       for (; it != end; ++it) {
+               if (&*it == t->cursor.par())
                        break;
-               p = p->next();
        }
 
-       if (p && t->cursor.pos() <= p->size()) {
+       if (it != end && t->cursor.pos() <= it->size()) {
                sstate.lpar = t->cursor.par();
                sstate.pos = t->cursor.pos();
                sstate.boundary = t->cursor.boundary();
@@ -101,6 +105,7 @@ void InsetText::saveLyXTextState(LyXText * t) const
        }
 }
 
+
 void InsetText::restoreLyXTextState(BufferView * bv, LyXText * t) const
 {
        if (sstate.lpar) {
@@ -140,6 +145,8 @@ InsetText::InsetText(BufferParams const & bp)
 {
        paragraphs.set(new Paragraph);
        paragraphs.begin()->layout(bp.getLyXTextClass().defaultLayout());
+       if (bp.tracking_changes)
+               paragraphs.begin()->trackChanges();
        init();
 }
 
@@ -169,11 +176,9 @@ void InsetText::init(InsetText const * ins, bool same_id)
                if (same_id)
                        id_ = ins->id_;
        } else {
-               Paragraph * p = &*(paragraphs.begin());
-               while (p) {
-                       p->setInsetOwner(this);
-                       p = p->next();
-               }
+               for_each(paragraphs.begin(), paragraphs.end(),
+                        boost::bind(&Paragraph::setInsetOwner, _1, this));
+
                the_locking_inset = 0;
                drawFrame_ = NEVER;
                frame_color = LColor::insetframe;
@@ -200,16 +205,22 @@ void InsetText::init(InsetText const * ins, bool same_id)
 
 InsetText::~InsetText()
 {
-       cached_bview = 0;
-
-       // NOTE
-
        paragraphs.clear();
 }
 
 
-void InsetText::clear()
+void InsetText::clear(bool just_mark_erased)
 {
+       if (just_mark_erased) {
+               ParagraphList::iterator it = paragraphs.begin();
+               ParagraphList::iterator end = paragraphs.end();
+               for (; it != end; ++it) {
+                       it->markErased();
+               }
+               need_update = FULL;
+               return;
+       }
+
        // This is a gross hack...
        LyXLayout_ptr old_layout = paragraphs.begin()->layout();
 
@@ -238,7 +249,12 @@ void InsetText::write(Buffer const * buf, ostream & os) const
 
 void InsetText::writeParagraphData(Buffer const * buf, ostream & os) const
 {
-       paragraphs.begin()->writeFile(buf, os, buf->params, 0);
+       ParagraphList::iterator it = paragraphs.begin();
+       ParagraphList::iterator end = paragraphs.end();
+       Paragraph::depth_type dth = 0;
+       for (; it != end; ++it) {
+               it->write(buf, os, buf->params, dth);
+       }
 }
 
 
@@ -250,7 +266,10 @@ void InsetText::read(Buffer const * buf, LyXLex & lex)
        Paragraph::depth_type depth = 0;
        LyXFont font(LyXFont::ALL_INHERIT);
 
-       clear();
+       clear(false);
+
+       if (buf->params.tracking_changes)
+               paragraphs.begin()->trackChanges();
 
        while (lex.isOK()) {
                lex.nextToken();
@@ -258,14 +277,11 @@ void InsetText::read(Buffer const * buf, LyXLex & lex)
                if (token.empty())
                        continue;
                if (token == "\\end_inset") {
-#ifndef NO_COMPABILITY
-                       const_cast<Buffer*>(buf)->insertErtContents(par, pos, false);
-#endif
                        break;
                }
 
                Paragraph * tmp = &*(paragraphs.begin());
-               
+
                if (const_cast<Buffer*>(buf)->
                        parseSingleLyXformat2Token(lex, tmp, return_par,
                                                   token, pos, depth, font)) {
@@ -273,6 +289,7 @@ void InsetText::read(Buffer const * buf, LyXLex & lex)
                        lex.printError("\\the_end read in inset! Error in document!");
                        return;
                }
+               paragraphs.set(tmp);
        }
        if (!return_par)
                return_par = &*(paragraphs.begin());
@@ -452,8 +469,10 @@ void InsetText::draw(BufferView * bv, LyXFont const & f,
                int yf = y_offset + first;
                y = 0;
                while ((row != 0) && (yf < ph)) {
-                       lt->getVisibleRow(bv, y + y_offset + first, int(x),
-                                         row, y + lt->first_y, cleared);
+                       Row * prev = row->previous();
+                       RowPainter rp(*bv, *lt, *row);
+                       if (rp.paint(y + y_offset + first, int(x), y + lt->first_y, cleared))
+                               lt->markChangeInDraw(bv, row, prev);
                        if (bv->text->status() == LyXText::CHANGED_IN_DRAW) {
                                lt->need_break_row = row;
                                lt->fullRebreak(bv);
@@ -714,7 +733,7 @@ void InsetText::edit(BufferView * bv, int x, int y, mouse_button::state button)
        showInsetCursor(bv);
 
        // Tell the paragraph dialog that we've entered an insettext.
-       bv->owner()->getDialogs()->updateParagraph();
+       bv->owner()->getDialogs().updateParagraph();
 }
 
 
@@ -740,11 +759,12 @@ void InsetText::edit(BufferView * bv, bool front)
        if (front)
                lt->setCursor(bv, &*(paragraphs.begin()), 0);
        else {
-               Paragraph * p = &*(paragraphs.begin());
-               while (p->next())
-                       p = p->next();
+               ParagraphList::iterator it = paragraphs.begin();
+               ParagraphList::iterator end = paragraphs.end();
+               while (boost::next(it) != end)
+                       ++it;
 //             int const pos = (p->size() ? p->size()-1 : p->size());
-               lt->setCursor(bv, p, p->size());
+               lt->setCursor(bv, &*it, it->size());
        }
        lt->clearSelection();
        finishUndo();
@@ -984,29 +1004,29 @@ bool InsetText::updateInsetInInset(BufferView * bv, Inset * inset)
 }
 
 
-void InsetText::insetButtonPress(BufferView * bv,
-       int x, int y, mouse_button::state button)
+void InsetText::lfunMousePress(FuncRequest const & cmd)
 {
        no_selection = true;
 
        // use this to check mouse motion for selection!
-       mouse_x = x;
-       mouse_y = y;
+       mouse_x = cmd.x;
+       mouse_y = cmd.y;
 
+       BufferView * bv = cmd.view();
+       FuncRequest cmd1 = cmd;
+       cmd1.x -= inset_x;
+       cmd1.y -= inset_y;
        if (!locked)
                lockInset(bv);
 
-       int tmp_x = x - drawTextXOffset;
-       int tmp_y = y + insetAscent - getLyXText(bv)->first_y;
-       Inset * inset = bv->checkInsetHit(getLyXText(bv), tmp_x, tmp_y);
+       int tmp_x = cmd.x - drawTextXOffset;
+       int tmp_y = cmd.y + insetAscent - getLyXText(bv)->first_y;
+       Inset * inset = getLyXText(bv)->checkInsetHit(bv, tmp_x, tmp_y);
 
        hideInsetCursor(bv);
        if (the_locking_inset) {
                if (the_locking_inset == inset) {
-                       the_locking_inset->insetButtonPress(bv,
-                                                           x - inset_x,
-                                                           y - inset_y,
-                                                           button);
+                       the_locking_inset->localDispatch(cmd1);
                        return;
                }
 #if 0
@@ -1016,8 +1036,7 @@ void InsetText::insetButtonPress(BufferView * bv,
                        inset_x = cix(bv) - top_x + drawTextXOffset;
                        inset_y = ciy(bv) + drawTextYOffset;
                        the_locking_inset = 0;
-                       inset->insetButtonPress(bv, x - inset_x,
-                                               y - inset_y, button);
+                       inset->localDispatch(cmd1);
 //                     inset->edit(bv, x - inset_x, y - inset_y, button);
                        if (the_locking_inset)
                                updateLocal(bv, CURSOR, false);
@@ -1034,12 +1053,12 @@ void InsetText::insetButtonPress(BufferView * bv,
        if (bv->theLockingInset()) {
                if (isHighlyEditableInset(inset)) {
                        // We just have to lock the inset before calling a
-                       // PressFuncRequest on it!
+                       // PressEvent on it!
                        UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
                        if (!bv->lockInset(uinset)) {
                                lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
                        }
-                       inset->insetButtonPress(bv, x - inset_x, y - inset_y, button);
+                       inset->localDispatch(cmd1);
                        if (the_locking_inset)
                                updateLocal(bv, CURSOR, false);
                        return;
@@ -1047,8 +1066,8 @@ void InsetText::insetButtonPress(BufferView * bv,
        }
        if (!inset) { // && (button == mouse_button::button2)) {
                bool paste_internally = false;
-               if ((button == mouse_button::button2) && getLyXText(bv)->selection.set()) {
-                       localDispatch(bv, FuncRequest(LFUN_COPY));
+               if (cmd.button() == mouse_button::button2 && getLyXText(bv)->selection.set()) {
+                       localDispatch(FuncRequest(bv, LFUN_COPY));
                        paste_internally = true;
                }
                bool clear = false;
@@ -1058,8 +1077,8 @@ void InsetText::insetButtonPress(BufferView * bv,
                }
                int old_first_y = lt->first_y;
 
-               lt->setCursorFromCoordinates(bv, x - drawTextXOffset,
-                                            y + insetAscent);
+               lt->setCursorFromCoordinates(bv, cmd.x - drawTextXOffset,
+                                            cmd.y + insetAscent);
                // set the selection cursor!
                lt->selection.cursor = lt->cursor;
                lt->cursor.x_fix(lt->cursor.x());
@@ -1085,11 +1104,11 @@ void InsetText::insetButtonPress(BufferView * bv,
                // Insert primary selection with middle mouse
                // if there is a local selection in the current buffer,
                // insert this
-               if (button == mouse_button::button2) {
+               if (cmd.button() == mouse_button::button2) {
                        if (paste_internally)
-                               localDispatch(bv, FuncRequest(LFUN_PASTE));
+                               localDispatch(FuncRequest(bv, LFUN_PASTE));
                        else
-                               localDispatch(bv, FuncRequest(LFUN_PASTESELECTION, "paragraph"));
+                               localDispatch(FuncRequest(bv, LFUN_PASTESELECTION, "paragraph"));
                }
        } else {
                getLyXText(bv)->clearSelection();
@@ -1098,30 +1117,33 @@ void InsetText::insetButtonPress(BufferView * bv,
 }
 
 
-bool InsetText::insetButtonRelease(BufferView * bv,
-       int x, int y, mouse_button::state button)
+bool InsetText::lfunMouseRelease(FuncRequest const & cmd)
 {
+       BufferView * bv = cmd.view();
+       FuncRequest cmd1 = cmd;
+       cmd1.x -= inset_x;
+       cmd1.y -= inset_y;
+
        no_selection = true;
-       if (the_locking_inset) {
-               return the_locking_inset->insetButtonRelease(bv,
-                                                            x - inset_x, y - inset_y,
-                                                            button);
-       }
-       int tmp_x = x - drawTextXOffset;
-       int tmp_y = y + insetAscent - getLyXText(bv)->first_y;
-       Inset * inset = bv->checkInsetHit(getLyXText(bv), tmp_x, tmp_y);
+       if (the_locking_inset)
+               return the_locking_inset->localDispatch(cmd1);
+
+       int tmp_x = cmd.x - drawTextXOffset;
+       int tmp_y = cmd.y + insetAscent - getLyXText(bv)->first_y;
+       Inset * inset = getLyXText(bv)->checkInsetHit(bv, tmp_x, tmp_y);
        bool ret = false;
        if (inset) {
-               if (isHighlyEditableInset(inset)) {
-                       ret = inset->insetButtonRelease(bv, x - inset_x,
-                                                       y - inset_y, button);
-               } else {
+               if (isHighlyEditableInset(inset))
+                       ret = inset->localDispatch(cmd1);
+               else {
                        inset_x = cix(bv) - top_x + drawTextXOffset;
                        inset_y = ciy(bv) + drawTextYOffset;
-                       ret = inset->insetButtonRelease(bv, x - inset_x,
-                                                       y - inset_y, button);
-                       inset->edit(bv, x - inset_x,
-                                   y - inset_y, button);
+                       cmd1.x = cmd.x - inset_x;
+                       cmd1.y = cmd.x - inset_y;
+// note that we should do ret = inset->localDispatch(cmd1)
+// and fix this instead (Alfredo);
+                       ret = true;
+                       inset->edit(bv, cmd1.x, cmd1.y, cmd.button());
                }
                updateLocal(bv, CURSOR_PAR, false);
        }
@@ -1129,17 +1151,21 @@ bool InsetText::insetButtonRelease(BufferView * bv,
 }
 
 
-void InsetText::insetMotionNotify(BufferView * bv, int x, int y, mouse_button::state state)
+void InsetText::lfunMouseMotion(FuncRequest const & cmd)
 {
+       FuncRequest cmd1 = cmd;
+       cmd1.x -= inset_x;
+       cmd1.y -= inset_y;
+
        if (the_locking_inset) {
-               the_locking_inset->insetMotionNotify(bv, x - inset_x,
-                                                    y - inset_y,state);
+               the_locking_inset->localDispatch(cmd1);
                return;
        }
 
-       if (no_selection || ((mouse_x == x) && (mouse_y == y)))
+       if (no_selection || (mouse_x == cmd.x && mouse_y == cmd.y))
                return;
 
+       BufferView * bv = cmd.view();
        bool clear = false;
        if (!lt) {
                lt = getLyXText(bv);
@@ -1147,7 +1173,8 @@ void InsetText::insetMotionNotify(BufferView * bv, int x, int y, mouse_button::s
        }
        hideInsetCursor(bv);
        LyXCursor cur = lt->cursor;
-       lt->setCursorFromCoordinates(bv, x - drawTextXOffset, y + insetAscent);
+       lt->setCursorFromCoordinates
+               (bv, cmd.x - drawTextXOffset, cmd.y + insetAscent);
        lt->cursor.x_fix(lt->cursor.x());
        if (cur == lt->cursor) {
                if (clear)
@@ -1166,13 +1193,25 @@ void InsetText::insetMotionNotify(BufferView * bv, int x, int y, mouse_button::s
 }
 
 
-UpdatableInset::RESULT
-InsetText::localDispatch(BufferView * bv, FuncRequest const & ev)
+Inset::RESULT InsetText::localDispatch(FuncRequest const & ev)
 {
+       BufferView * bv = ev.view();
+       switch (ev.action) {
+               case LFUN_MOUSE_PRESS:
+                       lfunMousePress(ev);
+                       return DISPATCHED;
+               case LFUN_MOUSE_MOTION:
+                       lfunMouseMotion(ev);
+                       return DISPATCHED;
+               case LFUN_MOUSE_RELEASE:
+                       return lfunMouseRelease(ev) ? DISPATCHED : UNDISPATCHED;
+               default:
+                       break;
+       }
+
        bool was_empty = (paragraphs.begin()->empty() && !paragraphs.begin()->next());
        no_selection = false;
-       UpdatableInset::RESULT
-               result= UpdatableInset::localDispatch(bv, ev);
+       RESULT result = UpdatableInset::localDispatch(ev);
        if (result != UNDISPATCHED)
                return DISPATCHED;
 
@@ -1181,7 +1220,7 @@ InsetText::localDispatch(BufferView * bv, FuncRequest const & ev)
                return FINISHED;
 
        if (the_locking_inset) {
-               result = the_locking_inset->localDispatch(bv, ev);
+               result = the_locking_inset->localDispatch(ev);
                if (result == DISPATCHED_NOUPDATE)
                        return result;
                else if (result == DISPATCHED) {
@@ -1200,20 +1239,10 @@ InsetText::localDispatch(BufferView * bv, FuncRequest const & ev)
                                }
                                break;
                        case FINISHED_DOWN:
-                       {
-                               LyXText *lt = getLyXText(bv);
-                               if (lt->cursor.irow()->next()) {
-                                       lt->setCursorFromCoordinates(
-                                               bv, lt->cursor.ix() + inset_x,
-                                               lt->cursor.iy() -
-                                               lt->cursor.irow()->baseline() +
-                                               lt->cursor.irow()->height() + 1);
-                                       lt->cursor.x_fix(lt->cursor.x());
+                               if ((result = moveDown(bv)) >= FINISHED) {
                                        updateLocal(bv, CURSOR, false);
-                               } else {
                                        bv->unlockInset(this);
                                }
-                       }
                                break;
                        default:
                                result = DISPATCHED;
@@ -1233,6 +1262,7 @@ InsetText::localDispatch(BufferView * bv, FuncRequest const & ev)
        int updwhat = 0;
        int updflag = false;
        switch (ev.action) {
+
        // Normal chars
        case LFUN_SELFINSERT:
                if (bv->buffer()->isReadonly()) {
@@ -1245,9 +1275,11 @@ InsetText::localDispatch(BufferView * bv, FuncRequest const & ev)
                         * typed in now. Depends on lyxrc settings
                         * "auto_region_delete", which defaults to
                         * true (on). */
-
+#if 0
+                       // This should not be needed here and is also WRONG!
                        setUndo(bv, Undo::INSERT,
                                lt->cursor.par(), lt->cursor.par()->next());
+#endif
                        bv->switchKeyMap();
                        if (lyxrc.auto_region_delete) {
                                if (lt->selection.set()) {
@@ -1256,7 +1288,7 @@ InsetText::localDispatch(BufferView * bv, FuncRequest const & ev)
                        }
                        lt->clearSelection();
                        for (string::size_type i = 0; i < ev.argument.length(); ++i) {
-                               bv->owner()->getIntl()->getTransManager().
+                               bv->owner()->getIntl().getTransManager().
                                        TranslateAndInsert(ev.argument[i], lt);
                        }
                }
@@ -1319,9 +1351,25 @@ InsetText::localDispatch(BufferView * bv, FuncRequest const & ev)
                lt->cursorEnd(bv);
                updwhat = CURSOR;
                break;
+       case LFUN_PRIOR:
+               if (!crow(bv)->previous())
+                       result = FINISHED_UP;
+               else {
+                       lt->cursorPrevious(bv);
+                       result = DISPATCHED_NOUPDATE;
+               }
+               updwhat = CURSOR;
+               break;
+       case LFUN_NEXT:
+               if (!crow(bv)->next())
+                       result = FINISHED_DOWN;
+               else {
+                       lt->cursorNext(bv);
+                       result = DISPATCHED_NOUPDATE;
+               }
+               updwhat = CURSOR;
+               break;
        case LFUN_BACKSPACE: {
-               setUndo(bv, Undo::DELETE,
-                       lt->cursor.par(), lt->cursor.par()->next());
                if (lt->selection.set())
                        lt->cutSelection(bv, true, false);
                else
@@ -1332,8 +1380,6 @@ InsetText::localDispatch(BufferView * bv, FuncRequest const & ev)
        break;
 
        case LFUN_DELETE: {
-               setUndo(bv, Undo::DELETE,
-                       lt->cursor.par(), lt->cursor.par()->next());
                if (lt->selection.set()) {
                        lt->cutSelection(bv, true, false);
                } else {
@@ -1345,8 +1391,6 @@ InsetText::localDispatch(BufferView * bv, FuncRequest const & ev)
        break;
 
        case LFUN_CUT: {
-               setUndo(bv, Undo::DELETE,
-                       lt->cursor.par(), lt->cursor.par()->next());
                lt->cutSelection(bv);
                updwhat = CURSOR_PAR;
                updflag = true;
@@ -1380,14 +1424,17 @@ InsetText::localDispatch(BufferView * bv, FuncRequest const & ev)
                if (!autoBreakRows) {
 
                        if (CutAndPaste::nrOfParagraphs() > 1) {
-                               Alert::alert(_("Impossible operation"),
+                               Alert::alert(_("Impossible operation!"),
                                                   _("Cannot include more than one paragraph!"),
                                                   _("Sorry."));
                                break;
                        }
                }
+#if 0
+               // This should not be needed here and is also WRONG!
                setUndo(bv, Undo::INSERT,
                        lt->cursor.par(), lt->cursor.par()->next());
+#endif
                lt->pasteSelection(bv);
                // bug 393
                lt->clearSelection();
@@ -1420,8 +1467,11 @@ InsetText::localDispatch(BufferView * bv, FuncRequest const & ev)
                        result = DISPATCHED;
                        break;
                }
+#if 0
+               // This should not be needed here and is also WRONG!
                setUndo(bv, Undo::INSERT,
                        lt->cursor.par(), lt->cursor.par()->next());
+#endif
                lt->insertChar(bv, Paragraph::META_NEWLINE);
                updwhat = CURSOR | CURSOR_PAR;
                updflag = true;
@@ -1451,7 +1501,7 @@ InsetText::localDispatch(BufferView * bv, FuncRequest const & ev)
                        // see if we found the layout number:
                        if (!hasLayout) {
                                FuncRequest lf(LFUN_MESSAGE, N_("Layout ") + ev.argument + N_(" not known"));
-                               bv->owner()->getLyXFunc()->dispatch(lf);
+                               bv->owner()->dispatch(lf);
                                break;
                        }
 
@@ -1541,24 +1591,27 @@ InsetText::localDispatch(BufferView * bv, FuncRequest const & ev)
 }
 
 
-int InsetText::latex(Buffer const * buf, ostream & os, bool moving_arg, bool) const
+int InsetText::latex(Buffer const * buf, ostream & os,
+                    bool moving_arg, bool) const
 {
        TexRow texrow;
-       buf->latexParagraphs(os, &*(paragraphs.begin()), 0, texrow, moving_arg);
+       buf->latexParagraphs(os, paragraphs.begin(), paragraphs.end(),
+                            texrow, moving_arg);
        return texrow.rows();
 }
 
 
 int InsetText::ascii(Buffer const * buf, ostream & os, int linelen) const
 {
-       Paragraph * p = &*(paragraphs.begin());
        unsigned int lines = 0;
 
-       while (p) {
-               string const tmp = buf->asciiParagraph(p, linelen, p->previous()==0);
+       ParagraphList::iterator beg = paragraphs.begin();
+       ParagraphList::iterator end = paragraphs.end();
+       ParagraphList::iterator it = beg;
+       for (; it != end; ++it) {
+               string const tmp = buf->asciiParagraph(*it, linelen, it == beg);
                lines += lyx::count(tmp.begin(), tmp.end(), '\n');
                os << tmp;
-               p = p->next();
        }
        return lines;
 }
@@ -1587,11 +1640,11 @@ int InsetText::docbook(Buffer const * buf, ostream & os, bool mixcont) const
                for (; depth > p->params().depth(); --depth) {
                        if (environment_inner[depth] != "!-- --") {
                                item_name = "listitem";
-                               lines += buf->sgmlCloseTag(os, command_depth + depth, mixcont, item_name);
+                               lines += sgml::closeTag(os, command_depth + depth, mixcont, item_name);
                                if (environment_inner[depth] == "varlistentry")
-                                       lines += buf->sgmlCloseTag(os, depth+command_depth, mixcont, environment_inner[depth]);
+                                       lines += sgml::closeTag(os, depth+command_depth, mixcont, environment_inner[depth]);
                        }
-                       lines += buf->sgmlCloseTag(os, depth + command_depth, mixcont, environment_stack[depth]);
+                       lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_stack[depth]);
                        environment_stack[depth].erase();
                        environment_inner[depth].erase();
                }
@@ -1601,12 +1654,12 @@ int InsetText::docbook(Buffer const * buf, ostream & os, bool mixcont) const
                   && !environment_stack[depth].empty()) {
                        if (environment_inner[depth] != "!-- --") {
                                item_name= "listitem";
-                               lines += buf->sgmlCloseTag(os, command_depth+depth, mixcont, item_name);
+                               lines += sgml::closeTag(os, command_depth+depth, mixcont, item_name);
                                if (environment_inner[depth] == "varlistentry")
-                                       lines += buf->sgmlCloseTag(os, depth + command_depth, mixcont, environment_inner[depth]);
+                                       lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_inner[depth]);
                        }
 
-                       lines += buf->sgmlCloseTag(os, depth + command_depth, mixcont, environment_stack[depth]);
+                       lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_stack[depth]);
 
                        environment_stack[depth].erase();
                        environment_inner[depth].erase();
@@ -1615,11 +1668,11 @@ int InsetText::docbook(Buffer const * buf, ostream & os, bool mixcont) const
                // Write opening SGML tags.
                switch (style->latextype) {
                case LATEX_PARAGRAPH:
-                       lines += buf->sgmlOpenTag(os, depth + command_depth, mixcont, style->latexname());
+                       lines += sgml::openTag(os, depth + command_depth, mixcont, style->latexname());
                        break;
 
                case LATEX_COMMAND:
-                       buf->sgmlError(p, 0,  _("Error : LatexType Command not allowed here.\n"));
+                       buf->sgmlError(p, 0,  _("Error: LatexType Command not allowed here.\n"));
                        return -1;
                        break;
 
@@ -1637,13 +1690,13 @@ int InsetText::docbook(Buffer const * buf, ostream & os, bool mixcont) const
                                }
                                environment_stack[depth] = style->latexname();
                                environment_inner[depth] = "!-- --";
-                               lines += buf->sgmlOpenTag(os, depth + command_depth, mixcont, environment_stack[depth]);
+                               lines += sgml::openTag(os, depth + command_depth, mixcont, environment_stack[depth]);
                        } else {
                                if (environment_inner[depth] != "!-- --") {
                                        item_name= "listitem";
-                                       lines += buf->sgmlCloseTag(os, command_depth + depth, mixcont, item_name);
+                                       lines += sgml::closeTag(os, command_depth + depth, mixcont, item_name);
                                        if (environment_inner[depth] == "varlistentry")
-                                               lines += buf->sgmlCloseTag(os, depth + command_depth, mixcont, environment_inner[depth]);
+                                               lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_inner[depth]);
                                }
                        }
 
@@ -1652,22 +1705,22 @@ int InsetText::docbook(Buffer const * buf, ostream & os, bool mixcont) const
                                        if (style->latexparam() == "CDATA")
                                                os << "<![CDATA[";
                                        else
-                                         lines += buf->sgmlOpenTag(os, depth + command_depth, mixcont, style->latexparam());
+                                         lines += sgml::openTag(os, depth + command_depth, mixcont, style->latexparam());
                                }
                                break;
                        }
 
                        desc_on = (style->labeltype == LABEL_MANUAL);
 
-                       environment_inner[depth] = desc_on?"varlistentry":"listitem";
-                       lines += buf->sgmlOpenTag(os, depth + 1 + command_depth, mixcont, environment_inner[depth]);
+                       environment_inner[depth] = desc_on ? "varlistentry" : "listitem";
+                       lines += sgml::openTag(os, depth + 1 + command_depth, mixcont, environment_inner[depth]);
 
-                       item_name = desc_on?"term":"para";
-                       lines += buf->sgmlOpenTag(os, depth + 1 + command_depth, mixcont, item_name);
+                       item_name = desc_on ? "term" : "para";
+                       lines += sgml::openTag(os, depth + 1 + command_depth, mixcont, item_name);
 
                        break;
                default:
-                       lines += buf->sgmlOpenTag(os, depth + command_depth, mixcont, style->latexname());
+                       lines += sgml::openTag(os, depth + command_depth, mixcont, style->latexname());
                        break;
                }
 
@@ -1682,19 +1735,19 @@ int InsetText::docbook(Buffer const * buf, ostream & os, bool mixcont) const
                                if (style->latexparam() == "CDATA")
                                        os << "]]>";
                                else
-                                       lines += buf->sgmlCloseTag(os, depth + command_depth, mixcont, style->latexparam());
+                                       lines += sgml::closeTag(os, depth + command_depth, mixcont, style->latexparam());
                        }
                        break;
                case LATEX_ITEM_ENVIRONMENT:
                        if (desc_on == 1) break;
                        end_tag= "para";
-                       lines += buf->sgmlCloseTag(os, depth + 1 + command_depth, mixcont, end_tag);
+                       lines += sgml::closeTag(os, depth + 1 + command_depth, mixcont, end_tag);
                        break;
                case LATEX_PARAGRAPH:
-                       lines += buf->sgmlCloseTag(os, depth + command_depth, mixcont, style->latexname());
+                       lines += sgml::closeTag(os, depth + command_depth, mixcont, style->latexname());
                        break;
                default:
-                       lines += buf->sgmlCloseTag(os, depth + command_depth, mixcont, style->latexname());
+                       lines += sgml::closeTag(os, depth + command_depth, mixcont, style->latexname());
                        break;
                }
        }
@@ -1704,12 +1757,12 @@ int InsetText::docbook(Buffer const * buf, ostream & os, bool mixcont) const
                if (!environment_stack[depth].empty()) {
                        if (environment_inner[depth] != "!-- --") {
                                item_name = "listitem";
-                               lines += buf->sgmlCloseTag(os, command_depth + depth, mixcont, item_name);
+                               lines += sgml::closeTag(os, command_depth + depth, mixcont, item_name);
                               if (environment_inner[depth] == "varlistentry")
-                                      lines += buf->sgmlCloseTag(os, depth + command_depth, mixcont, environment_inner[depth]);
+                                      lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_inner[depth]);
                        }
 
-                       lines += buf->sgmlCloseTag(os, depth + command_depth, mixcont, environment_stack[depth]);
+                       lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_stack[depth]);
                }
        }
 
@@ -1719,20 +1772,8 @@ int InsetText::docbook(Buffer const * buf, ostream & os, bool mixcont) const
 
 void InsetText::validate(LaTeXFeatures & features) const
 {
-       Paragraph * p = &*(paragraphs.begin());
-       while (p) {
-               p->validate(features);
-               p = p->next();
-       }
-}
-
-
-int InsetText::beginningOfMainBody(Paragraph * p) const
-{
-       if (p->layout()->labeltype != LABEL_MANUAL)
-               return 0;
-       else
-               return p->beginningOfMainBody();
+       for_each(paragraphs.begin(), paragraphs.end(),
+                boost::bind(&Paragraph::validate, _1, boost::ref(features)));
 }
 
 
@@ -1825,7 +1866,7 @@ void InsetText::fitInsetCursor(BufferView * bv) const
 }
 
 
-UpdatableInset::RESULT
+Inset::RESULT
 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
 {
        if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
@@ -1835,7 +1876,7 @@ InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
 }
 
 
-UpdatableInset::RESULT
+Inset::RESULT
 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
 {
        if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
@@ -1845,7 +1886,7 @@ InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
 }
 
 
-UpdatableInset::RESULT
+Inset::RESULT
 InsetText::moveRightIntern(BufferView * bv, bool front,
                           bool activate_inset, bool selecting)
 {
@@ -1860,7 +1901,7 @@ InsetText::moveRightIntern(BufferView * bv, bool front,
 }
 
 
-UpdatableInset::RESULT
+Inset::RESULT
 InsetText::moveLeftIntern(BufferView * bv, bool front,
                          bool activate_inset, bool selecting)
 {
@@ -1875,8 +1916,7 @@ InsetText::moveLeftIntern(BufferView * bv, bool front,
 }
 
 
-UpdatableInset::RESULT
-InsetText::moveUp(BufferView * bv)
+Inset::RESULT InsetText::moveUp(BufferView * bv)
 {
        if (!crow(bv)->previous())
                return FINISHED_UP;
@@ -1885,8 +1925,7 @@ InsetText::moveUp(BufferView * bv)
 }
 
 
-UpdatableInset::RESULT
-InsetText::moveDown(BufferView * bv)
+Inset::RESULT InsetText::moveDown(BufferView * bv)
 {
        if (!crow(bv)->next())
                return FINISHED_DOWN;
@@ -1959,15 +1998,15 @@ vector<string> const InsetText::getLabelList() const
 {
        vector<string> label_list;
 
-       Paragraph * tpar = &*(paragraphs.begin());
-       while (tpar) {
-               InsetList::iterator beg = tpar->insetlist.begin();
-               InsetList::iterator end = tpar->insetlist.end();
+       ParagraphList::iterator pit = paragraphs.begin();
+       ParagraphList::iterator pend = paragraphs.end();
+       for (; pit != pend; ++pit) {
+               InsetList::iterator beg = pit->insetlist.begin();
+               InsetList::iterator end = pit->insetlist.end();
                for (; beg != end; ++beg) {
                        vector<string> const l = beg.getInset()->getLabelList();
                        label_list.insert(label_list.end(), l.begin(), l.end());
                }
-               tpar = tpar->next();
        }
        return label_list;
 }
@@ -2031,7 +2070,7 @@ bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
        x -= drawTextXOffset;
        int dummyx = x;
        int dummyy = y + insetAscent;
-       Inset * inset = bv->checkInsetHit(getLyXText(bv), dummyx, dummyy);
+       Inset * inset = getLyXText(bv)->checkInsetHit(bv, dummyx, dummyy);
        // we only do the edit() call if the inset was hit by the mouse
        // or if it is a highly editable inset. So we should call this
        // function from our own edit with button < 0.
@@ -2097,9 +2136,24 @@ void InsetText::setParagraphData(Paragraph * p, bool same_id)
 }
 
 
+void InsetText::markNew(bool track_changes)
+{
+       ParagraphList::iterator pit = paragraphs.begin();
+       ParagraphList::iterator pend = paragraphs.end();
+       for (; pit != pend; ++pit) {
+               if (track_changes) {
+                       pit->trackChanges();
+               } else {
+                       // no-op when not tracking
+                       pit->cleanChanges();
+               }
+       }
+}
+
+
 void InsetText::setText(string const & data, LyXFont const & font)
 {
-       clear();
+       clear(false);
        for (unsigned int i = 0; i < data.length(); ++i)
                paragraphs.begin()->insertChar(i, data[i], font);
        reinitLyXText();
@@ -2285,10 +2339,8 @@ void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
        it->second.remove = true;
        if (recursive) {
                /// then remove all LyXText in text-insets
-               Paragraph * p = &*(paragraphs.begin());
-               for (; p; p = p->next()) {
-                       p->deleteInsetsLyXText(bv);
-               }
+               for_each(paragraphs.begin(), paragraphs.end(),
+                        boost::bind(&Paragraph::deleteInsetsLyXText, _1, bv));
        }
 }
 
@@ -2323,9 +2375,10 @@ void InsetText::resizeLyXText(BufferView * bv, bool force) const
 
        LyXText * t = it->second.text.get();
        saveLyXTextState(t);
-       for (Paragraph * p = &*(paragraphs.begin()); p; p = p->next()) {
-               p->resizeInsetsLyXText(bv);
-       }
+
+       for_each(paragraphs.begin(), paragraphs.end(),
+                boost::bind(&Paragraph::resizeInsetsLyXText, _1, bv));
+
        t->init(bv, true);
        restoreLyXTextState(bv, t);
        if (the_locking_inset) {
@@ -2355,17 +2408,17 @@ void InsetText::reinitLyXText() const
        do_reinit = false;
        do_resize = 0;
 //     lyxerr << "InsetText::reinitLyXText\n";
-       for(Cache::iterator it = cache.begin(); it != cache.end(); ++it) {
+       for (Cache::iterator it = cache.begin(); it != cache.end(); ++it) {
                lyx::Assert(it->second.text.get());
 
                LyXText * t = it->second.text.get();
                BufferView * bv = it->first;
 
                saveLyXTextState(t);
-               for (Paragraph * p = &*(paragraphs.begin());
-                    p; p = p->next()) {
-                       p->resizeInsetsLyXText(bv);
-               }
+
+               for_each(paragraphs.begin(), paragraphs.end(),
+                        boost::bind(&Paragraph::resizeInsetsLyXText, _1, bv));
+
                t->init(bv, true);
                restoreLyXTextState(bv, t);
                if (the_locking_inset) {
@@ -2388,11 +2441,13 @@ void InsetText::removeNewlines()
 {
        bool changed = false;
 
-       for (Paragraph * p = &*(paragraphs.begin()); p; p = p->next()) {
-               for (int i = 0; i < p->size(); ++i) {
-                       if (p->getChar(i) == Paragraph::META_NEWLINE) {
+       ParagraphList::iterator it = paragraphs.begin();
+       ParagraphList::iterator end = paragraphs.end();
+       for (; it != end; ++it) {
+               for (int i = 0; i < it->size(); ++i) {
+                       if (it->getChar(i) == Paragraph::META_NEWLINE) {
                                changed = true;
-                               p->erase(i);
+                               it->erase(i);
                        }
                }
        }
@@ -2464,34 +2519,6 @@ void InsetText::clearInset(BufferView * bv, int baseline, bool & cleared) const
 }
 
 
-Paragraph * InsetText::getParFromID(int id) const
-{
-#if 0
-       Paragraph * result = par;
-       Paragraph * ires = 0;
-       while (result && result->id() != id) {
-               if ((ires = result->getParFromID(id)))
-                       return ires;
-               result = result->next();
-       }
-       return result;
-#else
-       Paragraph * tmp = &*(paragraphs.begin());
-       while (tmp) {
-               if (tmp->id() == id) {
-                       return tmp;
-               }
-               Paragraph * tmp2 = tmp->getParFromID(id);
-               if (tmp2 != 0) {
-                       return tmp2;
-               }
-               tmp = tmp->next();
-       }
-       return 0;
-#endif
-}
-
-
 Paragraph * InsetText::firstParagraph() const
 {
        Paragraph * result;
@@ -2510,9 +2537,9 @@ Paragraph * InsetText::getFirstParagraph(int i) const
 
 LyXCursor const & InsetText::cursor(BufferView * bv) const
 {
-               if (the_locking_inset)
-                               return the_locking_inset->cursor(bv);
-               return getLyXText(bv)->cursor;
+       if (the_locking_inset)
+               return the_locking_inset->cursor(bv);
+       return getLyXText(bv)->cursor;
 }
 
 
@@ -2531,11 +2558,9 @@ void InsetText::paragraph(Paragraph * p)
        // and are done!
        paragraphs.set(p);
        // set ourself as owner for all the paragraphs inserted!
-       Paragraph * np = &*(paragraphs.begin());
-       while (np) {
-               np->setInsetOwner(this);
-               np = np->next();
-       }
+       for_each(paragraphs.begin(), paragraphs.end(),
+                boost::bind(&Paragraph::setInsetOwner, _1, this));
+
        reinitLyXText();
        // redraw myself when asked for
        need_update = INIT;
@@ -2547,26 +2572,24 @@ Inset * InsetText::getInsetFromID(int id_arg) const
        if (id_arg == id())
                return const_cast<InsetText *>(this);
 
-       Paragraph * lp = &*(paragraphs.begin());
-
-       while (lp) {
-               for (InsetList::iterator it = lp->insetlist.begin(),
-                        en = lp->insetlist.end();
-                        it != en; ++it)
-               {
+       ParagraphList::iterator pit = paragraphs.begin();
+       ParagraphList::iterator pend = paragraphs.end();
+       for (; pit != pend; ++pit) {
+               InsetList::iterator it = pit->insetlist.begin();
+               InsetList::iterator end = pit->insetlist.end();
+               for (; it != end; ++it) {
                        if (it.getInset()->id() == id_arg)
                                return it.getInset();
                        Inset * in = it.getInset()->getInsetFromID(id_arg);
                        if (in)
                                return in;
                }
-               lp = lp->next();
        }
        return 0;
 }
 
 
-WordLangTuple
+WordLangTuple const
 InsetText::selectNextWordToSpellcheck(BufferView * bv,
                                      float & value) const
 {
@@ -2641,6 +2664,36 @@ void InsetText::toggleSelection(BufferView * bv, bool kill_selection)
 }
 
 
+bool InsetText::nextChange(BufferView * bv, lyx::pos_type & length)
+{
+       bool clear = false;
+       if (!lt) {
+               lt = getLyXText(bv);
+               clear = true;
+       }
+       if (the_locking_inset) {
+               if (the_locking_inset->nextChange(bv, length))
+                       return true;
+               lt->cursorRight(bv, true);
+       }
+       lyxfind::SearchResult result =
+               lyxfind::findNextChange(bv, lt, length);
+
+       if (result == lyxfind::SR_FOUND) {
+               LyXCursor cur = lt->cursor;
+               bv->unlockInset(bv->theLockingInset());
+               if (bv->lockInset(this))
+                       locked = true;
+               lt->cursor = cur;
+               lt->setSelectionRange(bv, length);
+               updateLocal(bv, SELECTION, false);
+       }
+       if (clear)
+               lt = 0;
+       return result != lyxfind::SR_NOT_FOUND;
+}
+
+
 bool InsetText::searchForward(BufferView * bv, string const & str,
                              bool cs, bool mw)
 {
@@ -2663,7 +2716,7 @@ bool InsetText::searchForward(BufferView * bv, string const & str,
                if (bv->lockInset(this))
                        locked = true;
                lt->cursor = cur;
-               lt->setSelectionOverString(bv, str);
+               lt->setSelectionRange(bv, str.length());
                updateLocal(bv, SELECTION, false);
        }
        if (clear)
@@ -2698,7 +2751,7 @@ bool InsetText::searchBackward(BufferView * bv, string const & str,
                if (bv->lockInset(this))
                        locked = true;
                lt->cursor = cur;
-               lt->setSelectionOverString(bv, str);
+               lt->setSelectionRange(bv, str.length());
                updateLocal(bv, SELECTION, false);
        }
        if (clear)
@@ -2717,7 +2770,6 @@ bool InsetText::checkInsertChar(LyXFont & font)
 
 void InsetText::collapseParagraphs(BufferView * bv) const
 {
-       BufferParams const & bparams = bv->buffer()->params;
        LyXText * llt = getLyXText(bv);
 
        while (paragraphs.begin()->next()) {
@@ -2738,7 +2790,7 @@ void InsetText::collapseParagraphs(BufferView * bv) const
                                        llt->selection.end.pos() + paragraphs.begin()->size());
                        }
                }
-               paragraphs.begin()->pasteParagraph(bparams);
+               mergeParagraph(bv->buffer(), paragraphs.begin());
        }
        reinitLyXText();
 }
@@ -2752,18 +2804,23 @@ void InsetText::getDrawFont(LyXFont & font) const
 }
 
 
-void InsetText::appendParagraphs(BufferParams const & bparams,
+void InsetText::appendParagraphs(Buffer * buffer,
                                 Paragraph * newpar)
 {
+       BufferParams const & bparams = buffer->params;
        Paragraph * buf;
        Paragraph * tmpbuf = newpar;
        Paragraph * lastbuffer = buf = new Paragraph(*tmpbuf, false);
+       if (bparams.tracking_changes)
+               buf->cleanChanges();
 
        while (tmpbuf->next()) {
                tmpbuf = tmpbuf->next();
                lastbuffer->next(new Paragraph(*tmpbuf, false));
                lastbuffer->next()->previous(lastbuffer);
                lastbuffer = lastbuffer->next();
+               if (bparams.tracking_changes)
+                       lastbuffer->cleanChanges();
        }
        lastbuffer = &*(paragraphs.begin());
        while (lastbuffer->next())
@@ -2780,7 +2837,7 @@ void InsetText::appendParagraphs(BufferParams const & bparams,
        // paste it!
        lastbuffer->next(buf);
        buf->previous(lastbuffer);
-       lastbuffer->pasteParagraph(bparams);
+       mergeParagraph(buffer, lastbuffer);
 
        reinitLyXText();
 }