]> git.lyx.org Git - lyx.git/blobdiff - src/LyXFunc.cpp
Fix memory leak.
[lyx.git] / src / LyXFunc.cpp
index 28d9b4ad2c45891a564999a0c9a91f14debdb969..209f12ce1825b486b9c825bd6e210e9522d82058 100644 (file)
 #include "LyXFunc.h"
 
 #include "BranchList.h"
-#include "Buffer.h"
 #include "buffer_funcs.h"
+#include "Buffer.h"
 #include "BufferList.h"
 #include "BufferParams.h"
 #include "BufferView.h"
-#include "bufferview_funcs.h"
+#include "Color.h"
 #include "Cursor.h"
 #include "CutAndPaste.h"
 #include "debug.h"
 #include "Intl.h"
 #include "KeyMap.h"
 #include "Language.h"
-#include "Color.h"
-#include "Session.h"
-#include "LyX.h"
-#include "callback.h"
+#include "Lexer.h"
 #include "LyXAction.h"
 #include "lyxfind.h"
-#include "Lexer.h"
+#include "LyX.h"
 #include "LyXRC.h"
-#include "Row.h"
-#include "Server.h"
-#include "TextClassList.h"
 #include "LyXVC.h"
 #include "Paragraph.h"
-#include "ParIterator.h"
 #include "ParagraphParameters.h"
+#include "ParIterator.h"
+#include "Row.h"
+#include "Server.h"
+#include "Session.h"
+#include "TextClassList.h"
+#include "ToolbarBackend.h"
 #include "Undo.h"
 
 #include "insets/InsetBox.h"
@@ -115,8 +114,6 @@ namespace fs = boost::filesystem;
 
 namespace lyx {
 
-using bv_funcs::freefont2string;
-
 using frontend::LyXView;
 
 using support::absolutePath;
@@ -147,11 +144,38 @@ using support::prefixIs;
 
 namespace Alert = frontend::Alert;
 
+extern bool quitting;
 
 namespace {
 
-bool getLocalStatus(Cursor cursor,
-              FuncRequest const & cmd, FuncStatus & status)
+// This function runs "configure" and then rereads lyx.defaults to
+// reconfigure the automatic settings.
+void reconfigure(LyXView & lv, string const & option)
+{
+       // emit message signal.
+       lv.message(_("Running configure..."));
+
+       // Run configure in user lyx directory
+       support::Path p(package().user_support());
+       string configure_command = package().configure_command();
+       configure_command += option;
+       Systemcall one;
+       one.startscript(Systemcall::Wait, configure_command);
+       p.pop();
+       // emit message signal.
+       lv.message(_("Reloading configuration..."));
+       lyxrc.read(support::libFileSearch(string(), "lyxrc.defaults"));
+       // Re-read packages.lst
+       LaTeXFeatures::getAvailable();
+
+       Alert::information(_("System reconfigured"),
+                          _("The system has been reconfigured.\n"
+                            "You need to restart LyX to make use of any\n"
+                            "updated document class specifications."));
+}
+
+
+bool getLocalStatus(Cursor cursor, FuncRequest const & cmd, FuncStatus & status)
 {
        // Try to fix cursor in case it is broken.
        cursor.fixIfBroken();
@@ -203,18 +227,17 @@ Change::Type lookupChangeType(DocIterator const & dit, bool outer = false)
 
 }
 
+
 LyXFunc::LyXFunc()
-       : lyx_view_(0),
-       encoded_last_key(0),
-       meta_fake_bit(key_modifier::none)
+       : lyx_view_(0), encoded_last_key(0), meta_fake_bit(NoModifier)
 {
 }
 
 
 void LyXFunc::initKeySequences(KeyMap * kb)
 {
-       keyseq.reset(new KeySequence(kb, kb));
-       cancel_meta_seq.reset(new KeySequence(kb, kb));
+       keyseq = KeySequence(kb, kb);
+       cancel_meta_seq = KeySequence(kb, kb);
 }
 
 
@@ -232,7 +255,7 @@ void LyXFunc::handleKeyFunc(kb_action action)
 {
        char_type c = encoded_last_key;
 
-       if (keyseq->length())
+       if (keyseq.length())
                c = 0;
 
        BOOST_ASSERT(lyx_view_ && lyx_view_->view());
@@ -240,7 +263,7 @@ void LyXFunc::handleKeyFunc(kb_action action)
                c, get_accent(action).accent, view()->cursor().innerText(), view()->cursor());
        // Need to clear, in case the minibuffer calls these
        // actions
-       keyseq->clear();
+       keyseq.clear();
        // copied verbatim from do_accent_char
        view()->cursor().resetAnchor();
        view()->update();
@@ -293,77 +316,74 @@ void LyXFunc::gotoBookmark(unsigned int idx, bool openFile, bool switchToBuffer)
 }
 
 
-void LyXFunc::processKeySym(KeySymbolPtr keysym, key_modifier::state state)
+void LyXFunc::processKeySym(KeySymbol const & keysym, KeyModifier state)
 {
-       LYXERR(Debug::KEY) << "KeySym is " << keysym->getSymbolName() << endl;
+       LYXERR(Debug::KEY) << "KeySym is " << keysym.getSymbolName() << endl;
 
        // Do nothing if we have nothing (JMarc)
-       if (!keysym->isOK()) {
+       if (!keysym.isOK()) {
                LYXERR(Debug::KEY) << "Empty kbd action (probably composing)"
                                   << endl;
                return;
        }
 
-       if (keysym->isModifier()) {
+       if (keysym.isModifier()) {
                LYXERR(Debug::KEY) << "isModifier true" << endl;
                return;
        }
 
        //Encoding const * encoding = view()->cursor().getEncoding();
-       //encoded_last_key = keysym->getISOEncoded(encoding ? encoding->name() : "");
+       //encoded_last_key = keysym.getISOEncoded(encoding ? encoding->name() : "");
        // FIXME: encoded_last_key shadows the member variable of the same
        // name. Is that intended?
-       char_type encoded_last_key = keysym->getUCSEncoded();
+       char_type encoded_last_key = keysym.getUCSEncoded();
 
        // Do a one-deep top-level lookup for
        // cancel and meta-fake keys. RVDK_PATCH_5
-       cancel_meta_seq->reset();
+       cancel_meta_seq.reset();
 
-       FuncRequest func = cancel_meta_seq->addkey(keysym, state);
+       FuncRequest func = cancel_meta_seq.addkey(keysym, state);
        LYXERR(Debug::KEY) << BOOST_CURRENT_FUNCTION
                           << " action first set to [" << func.action << ']'
                           << endl;
 
        // When not cancel or meta-fake, do the normal lookup.
        // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
-       // Mostly, meta_fake_bit = key_modifier::none. RVDK_PATCH_5.
+       // Mostly, meta_fake_bit = NoModifier. RVDK_PATCH_5.
        if ((func.action != LFUN_CANCEL) && (func.action != LFUN_META_PREFIX)) {
                // remove Caps Lock and Mod2 as a modifiers
-               func = keyseq->addkey(keysym, (state | meta_fake_bit));
+               func = keyseq.addkey(keysym, (state | meta_fake_bit));
                LYXERR(Debug::KEY) << BOOST_CURRENT_FUNCTION
                                   << "action now set to ["
                                   << func.action << ']' << endl;
        }
 
        // Dont remove this unless you know what you are doing.
-       meta_fake_bit = key_modifier::none;
+       meta_fake_bit = NoModifier;
 
        // Can this happen now ?
-       if (func.action == LFUN_NOACTION) {
+       if (func.action == LFUN_NOACTION)
                func = FuncRequest(LFUN_COMMAND_PREFIX);
-       }
 
        LYXERR(Debug::KEY) << BOOST_CURRENT_FUNCTION
               << " Key [action="
               << func.action << "]["
-              << to_utf8(keyseq->print(false)) << ']'
+              << to_utf8(keyseq.print(false)) << ']'
               << endl;
 
        // already here we know if it any point in going further
        // why not return already here if action == -1 and
        // num_bytes == 0? (Lgb)
 
-       if (keyseq->length() > 1) {
-               lyx_view_->message(keyseq->print(true));
-       }
+       if (keyseq.length() > 1)
+               lyx_view_->message(keyseq.print(true));
 
 
        // Maybe user can only reach the key via holding down shift.
        // Let's see. But only if shift is the only modifier
-       if (func.action == LFUN_UNKNOWN_ACTION &&
-           state == key_modifier::shift) {
+       if (func.action == LFUN_UNKNOWN_ACTION && state == ShiftModifier) {
                LYXERR(Debug::KEY) << "Trying without shift" << endl;
-               func = keyseq->addkey(keysym, key_modifier::none);
+               func = keyseq.addkey(keysym, NoModifier);
                LYXERR(Debug::KEY) << "Action now " << func.action << endl;
        }
 
@@ -371,7 +391,7 @@ void LyXFunc::processKeySym(KeySymbolPtr keysym, key_modifier::state state)
                // Hmm, we didn't match any of the keysequences. See
                // if it's normal insertable text not already covered
                // by a binding
-               if (keysym->isText() && keyseq->length() == 1) {
+               if (keysym.isText() && keyseq.length() == 1) {
                        LYXERR(Debug::KEY) << "isText() is true, inserting." << endl;
                        func = FuncRequest(LFUN_SELF_INSERT,
                                           FuncRequest::KEYBOARD);
@@ -695,6 +715,8 @@ FuncStatus LyXFunc::getStatus(FuncRequest const & cmd) const
        case LFUN_BUFFER_WRITE_AS:
        case LFUN_BUFFER_UPDATE:
        case LFUN_BUFFER_VIEW:
+       case LFUN_MASTER_BUFFER_UPDATE:
+       case LFUN_MASTER_BUFFER_VIEW:
        case LFUN_BUFFER_IMPORT:
        case LFUN_BUFFER_AUTO_SAVE:
        case LFUN_RECONFIGURE:
@@ -729,6 +751,9 @@ FuncStatus LyXFunc::getStatus(FuncRequest const & cmd) const
        case LFUN_TEXTCLASS_LOAD:
        case LFUN_BUFFER_SAVE_AS_DEFAULT:
        case LFUN_BUFFER_PARAMS_APPLY:
+       case LFUN_LAYOUT_MODULES_CLEAR:
+       case LFUN_LAYOUT_MODULE_ADD:
+       case LFUN_LAYOUT_RELOAD:
        case LFUN_LYXRC_APPLY:
        case LFUN_BUFFER_NEXT:
        case LFUN_BUFFER_PREVIOUS:
@@ -801,7 +826,7 @@ void showPrintError(string const & name)
 }
 
 
-void loadTextclass(string const & name)
+void loadTextClass(string const & name)
 {
        std::pair<bool, textclass_type> const tc_pair =
                textclasslist.numberOfClass(name);
@@ -881,7 +906,7 @@ void LyXFunc::dispatch(FuncRequest const & cmd)
 
                case LFUN_COMMAND_PREFIX:
                        BOOST_ASSERT(lyx_view_);
-                       lyx_view_->message(keyseq->printOptions(true));
+                       lyx_view_->message(keyseq.printOptions(true));
                        break;
 
                case LFUN_COMMAND_EXECUTE:
@@ -891,8 +916,8 @@ void LyXFunc::dispatch(FuncRequest const & cmd)
 
                case LFUN_CANCEL:
                        BOOST_ASSERT(lyx_view_ && lyx_view_->view());
-                       keyseq->reset();
-                       meta_fake_bit = key_modifier::none;
+                       keyseq.reset();
+                       meta_fake_bit = NoModifier;
                        if (lyx_view_->buffer())
                                // cancel any selection
                                dispatch(FuncRequest(LFUN_MARK_OFF));
@@ -900,18 +925,19 @@ void LyXFunc::dispatch(FuncRequest const & cmd)
                        break;
 
                case LFUN_META_PREFIX:
-                       meta_fake_bit = key_modifier::alt;
-                       setMessage(keyseq->print(true));
+                       meta_fake_bit = AltModifier;
+                       setMessage(keyseq.print(true));
                        break;
 
-               case LFUN_BUFFER_TOGGLE_READ_ONLY:
+               case LFUN_BUFFER_TOGGLE_READ_ONLY: {
                        BOOST_ASSERT(lyx_view_ && lyx_view_->view() && lyx_view_->buffer());
-                       if (lyx_view_->buffer()->lyxvc().inUse())
-                               lyx_view_->buffer()->lyxvc().toggleReadOnly();
+                       Buffer * buf = lyx_view_->buffer();
+                       if (buf->lyxvc().inUse())
+                               buf->lyxvc().toggleReadOnly();
                        else
-                               lyx_view_->buffer()->setReadonly(
-                                       !lyx_view_->buffer()->isReadonly());
+                               buf->setReadonly(!lyx_view_->buffer()->isReadonly());
                        break;
+               }
 
                // --- Menus -----------------------------------------------
                case LFUN_BUFFER_NEW:
@@ -935,17 +961,17 @@ void LyXFunc::dispatch(FuncRequest const & cmd)
                                docstring const str = bformat(_("Saving document %1$s..."),
                                         makeDisplayPath(lyx_view_->buffer()->fileName()));
                                lyx_view_->message(str);
-                               menuWrite(lyx_view_->buffer());
+                               lyx_view_->buffer()->menuWrite();
                                lyx_view_->message(str + _(" done."));
                        } else {
-                               writeAs(lyx_view_->buffer());
+                               lyx_view_->buffer()->writeAs();
                        }
                        updateFlags = Update::None;
                        break;
 
                case LFUN_BUFFER_WRITE_AS:
                        BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
-                       writeAs(lyx_view_->buffer(), argument);
+                       lyx_view_->buffer()->writeAs(argument);
                        updateFlags = Update::None;
                        break;
 
@@ -959,10 +985,10 @@ void LyXFunc::dispatch(FuncRequest const & cmd)
                                do {
                                        if (!b->isClean()) {
                                                if (!b->isUnnamed()) {
-                                                       menuWrite(b);
+                                                       b->menuWrite();
                                                        lyxerr[Debug::ACTION] << "Saved " << b->fileName() << endl;
                                                } else
-                                                       writeAs(b);
+                                                       b->writeAs();
                                        }
                                        b = theBufferList().next(b);
                                } while (b != first); 
@@ -996,6 +1022,16 @@ void LyXFunc::dispatch(FuncRequest const & cmd)
                        Exporter::preview(lyx_view_->buffer(), argument);
                        break;
 
+               case LFUN_MASTER_BUFFER_UPDATE:
+                       BOOST_ASSERT(lyx_view_ && lyx_view_->buffer() && lyx_view_->buffer()->getMasterBuffer());
+                       Exporter::Export(lyx_view_->buffer()->getMasterBuffer(), argument, true);
+                       break;
+
+               case LFUN_MASTER_BUFFER_VIEW:
+                       BOOST_ASSERT(lyx_view_ && lyx_view_->buffer() && lyx_view_->buffer()->getMasterBuffer());
+                       Exporter::preview(lyx_view_->buffer()->getMasterBuffer(), argument);
+                       break;
+
                case LFUN_BUILD_PROGRAM:
                        BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
                        Exporter::Export(lyx_view_->buffer(), "program", true);
@@ -1087,7 +1123,7 @@ void LyXFunc::dispatch(FuncRequest const & cmd)
                        }
 
                        // Push directory path.
-                       string const path(buffer->temppath());
+                       string const path = buffer->temppath();
                        // Prevent the compiler from optimizing away p
                        FileName pp(path);
                        support::Path p(pp);
@@ -1179,12 +1215,13 @@ void LyXFunc::dispatch(FuncRequest const & cmd)
                        break;
 
                case LFUN_BUFFER_AUTO_SAVE:
-                       autoSave(view());
+                       lyx_view_->buffer()->autoSave();
                        break;
 
                case LFUN_RECONFIGURE:
                        BOOST_ASSERT(lyx_view_);
-                       reconfigure(*lyx_view_);
+                       // argument is any additional parameter to the configure.py command
+                       reconfigure(*lyx_view_, argument);
                        break;
 
                case LFUN_HELP_OPEN: {
@@ -1277,11 +1314,16 @@ void LyXFunc::dispatch(FuncRequest const & cmd)
                        updateFlags = Update::None;
                        break;
 
-               case LFUN_FILE_NEW:
+               case LFUN_FILE_NEW: {
                        BOOST_ASSERT(lyx_view_);
-                       newFile(*lyx_view_, argument);
+                       string name;
+                       string tmpname = split(argument, name, ':'); // Split filename
+                       Buffer * const b = newFile(name, tmpname);
+                       if (b)
+                               lyx_view_->setBuffer(b);
                        updateFlags = Update::None;
                        break;
+               }
 
                case LFUN_FILE_OPEN:
                        BOOST_ASSERT(lyx_view_);
@@ -1309,7 +1351,7 @@ void LyXFunc::dispatch(FuncRequest const & cmd)
                        break;
 
                case LFUN_SERVER_NOTIFY:
-                       dispatch_buffer = keyseq->print(false);
+                       dispatch_buffer = keyseq.print(false);
                        theServer().notifyClient(to_utf8(dispatch_buffer));
                        break;
 
@@ -1413,7 +1455,7 @@ void LyXFunc::dispatch(FuncRequest const & cmd)
                                InsetBranchParams p;
                                data = InsetBranchMailer::params2string(p);
                        } else if (name == "citation") {
-                               InsetCommandParams p("cite");
+                               InsetCommandParams p("citation");
                                data = InsetCommandMailer::params2string(name, p);
                        } else if (name == "ert") {
                                data = InsetERTMailer::params2string(InsetCollapsable::Open);
@@ -1493,7 +1535,7 @@ void LyXFunc::dispatch(FuncRequest const & cmd)
                                        arg = token(argument, '|', 0);
                                        opt1 = token(argument, '|', 1);
                                }
-                               InsetCommandParams icp("cite");
+                               InsetCommandParams icp("citation");
                                icp["key"] = from_utf8(arg);
                                if (!opt1.empty())
                                        icp["before"] = from_utf8(opt1);
@@ -1743,33 +1785,66 @@ void LyXFunc::dispatch(FuncRequest const & cmd)
 
                case LFUN_BUFFER_PARAMS_APPLY: {
                        BOOST_ASSERT(lyx_view_);
-                       biblio::CiteEngine const engine =
-                               lyx_view_->buffer()->params().getEngine();
+                       biblio::CiteEngine const oldEngine =
+                                       lyx_view_->buffer()->params().getEngine();
+                       
+                       Buffer * buffer = lyx_view_->buffer();
 
+                       TextClassPtr oldClass = buffer->params().getTextClassPtr();
+                       recordUndoFullDocument(view());
+                       
                        istringstream ss(argument);
                        Lexer lex(0,0);
                        lex.setStream(ss);
-                       int const unknown_tokens =
-                               lyx_view_->buffer()->readHeader(lex);
+                       int const unknown_tokens = buffer->readHeader(lex);
 
                        if (unknown_tokens != 0) {
                                lyxerr << "Warning in LFUN_BUFFER_PARAMS_APPLY!\n"
-                                      << unknown_tokens << " unknown token"
-                                      << (unknown_tokens == 1 ? "" : "s")
-                                      << endl;
+                                               << unknown_tokens << " unknown token"
+                                               << (unknown_tokens == 1 ? "" : "s")
+                                               << endl;
                        }
-                       if (engine == lyx_view_->buffer()->params().getEngine())
-                               break;
-
-                       Cursor & cur = view()->cursor();
-                       FuncRequest fr(LFUN_INSET_REFRESH);
-
-                       Inset & inset = lyx_view_->buffer()->inset();
-                       InsetIterator it  = inset_iterator_begin(inset);
-                       InsetIterator const end = inset_iterator_end(inset);
-                       for (; it != end; ++it)
-                               if (it->lyxCode() == Inset::CITE_CODE)
-                                       it->dispatch(cur, fr);
+                       
+                       updateLayout(oldClass, buffer);
+                       
+                       biblio::CiteEngine const newEngine =
+                                       lyx_view_->buffer()->params().getEngine();
+                       
+                       if (oldEngine != newEngine) {
+                               Cursor & cur = view()->cursor();
+                               FuncRequest fr(LFUN_INSET_REFRESH);
+       
+                               Inset & inset = lyx_view_->buffer()->inset();
+                               InsetIterator it  = inset_iterator_begin(inset);
+                               InsetIterator const end = inset_iterator_end(inset);
+                               for (; it != end; ++it)
+                                       if (it->lyxCode() == Inset::CITE_CODE)
+                                               it->dispatch(cur, fr);
+                       }
+                       
+                       updateFlags = Update::Force | Update::FitCursor;
+                       break;
+               }
+               
+               case LFUN_LAYOUT_MODULES_CLEAR: {
+                       BOOST_ASSERT(lyx_view_);
+                       Buffer * buffer = lyx_view_->buffer();
+                       TextClassPtr oldClass = buffer->params().getTextClassPtr();
+                       recordUndoFullDocument(view());
+                       buffer->params().clearLayoutModules();
+                       updateLayout(oldClass, buffer);
+                       updateFlags = Update::Force | Update::FitCursor;
+                       break;
+               }
+               
+               case LFUN_LAYOUT_MODULE_ADD: {
+                       BOOST_ASSERT(lyx_view_);
+                       Buffer * buffer = lyx_view_->buffer();
+                       TextClassPtr oldClass = buffer->params().getTextClassPtr();
+                       recordUndoFullDocument(view());
+                       buffer->params().addLayoutModule(argument);
+                       updateLayout(oldClass, buffer);
+                       updateFlags = Update::Force | Update::FitCursor;
                        break;
                }
 
@@ -1777,7 +1852,7 @@ void LyXFunc::dispatch(FuncRequest const & cmd)
                        BOOST_ASSERT(lyx_view_);
                        Buffer * buffer = lyx_view_->buffer();
 
-                       loadTextclass(argument);
+                       loadTextClass(argument);
 
                        std::pair<bool, textclass_type> const tc_pair =
                                textclasslist.numberOfClass(argument);
@@ -1792,28 +1867,29 @@ void LyXFunc::dispatch(FuncRequest const & cmd)
                                // nothing to do
                                break;
 
-                       lyx_view_->message(_("Converting document to new document class..."));
-                       recordUndoFullDocument(view());
                        //Save the old, possibly modular, layout for use in conversion.
-                       TextClass_ptr oldClass = buffer->params().getTextClass_ptr();
+                       TextClassPtr oldClass = buffer->params().getTextClassPtr();
+                       recordUndoFullDocument(view());
                        buffer->params().setBaseClass(new_class);
-                       
-                       StableDocIterator backcur(view()->cursor());
-                       ErrorList & el = buffer->errorList("Class Switch");
-                       cap::switchBetweenClasses(
-                               oldClass, buffer->params().getTextClass_ptr(),
-                               static_cast<InsetText &>(buffer->inset()), el);
-
-                       view()->setCursor(backcur.asDocIterator(&(buffer->inset())));
-
-                       buffer->errors("Class Switch");
-                       updateLabels(*buffer);
+                       updateLayout(oldClass, buffer);
+                       updateFlags = Update::Force | Update::FitCursor;
+                       break;
+               }
+               
+               case LFUN_LAYOUT_RELOAD: {
+                       BOOST_ASSERT(lyx_view_);
+                       Buffer * buffer = lyx_view_->buffer();
+                       TextClassPtr oldClass = buffer->params().getTextClassPtr();
+                       textclass_type const tc = buffer->params().getBaseClass();
+                       textclasslist.reset(tc);
+                       buffer->params().setBaseClass(tc);
+                       updateLayout(oldClass, buffer);
                        updateFlags = Update::Force | Update::FitCursor;
                        break;
                }
 
                case LFUN_TEXTCLASS_LOAD:
-                       loadTextclass(argument);
+                       loadTextClass(argument);
                        break;
 
                case LFUN_LYXRC_APPLY: {
@@ -2241,12 +2317,12 @@ docstring const LyXFunc::viewStatusMessage()
 {
        // When meta-fake key is pressed, show the key sequence so far + "M-".
        if (wasMetaKey())
-               return keyseq->print(true) + "M-";
+               return keyseq.print(true) + "M-";
 
        // Else, when a non-complete key sequence is pressed,
        // show the available options.
-       if (keyseq->length() > 0 && !keyseq->deleted())
-               return keyseq->printOptions(true);
+       if (keyseq.length() > 0 && !keyseq.deleted())
+               return keyseq.printOptions(true);
 
        BOOST_ASSERT(lyx_view_);
        if (!lyx_view_->buffer())
@@ -2265,7 +2341,25 @@ BufferView * LyXFunc::view() const
 
 bool LyXFunc::wasMetaKey() const
 {
-       return (meta_fake_bit != key_modifier::none);
+       return (meta_fake_bit != NoModifier);
+}
+
+
+void LyXFunc::updateLayout(TextClassPtr const & oldlayout,
+                           Buffer * buffer)
+{
+       lyx_view_->message(_("Converting document to new document class..."));
+       
+       StableDocIterator backcur(view()->cursor());
+       ErrorList & el = buffer->errorList("Class Switch");
+       cap::switchBetweenClasses(
+                       oldlayout, buffer->params().getTextClassPtr(),
+                       static_cast<InsetText &>(buffer->inset()), el);
+
+       view()->setCursor(backcur.asDocIterator(&(buffer->inset())));
+
+       buffer->errors("Class Switch");
+       updateLabels(*buffer);
 }