]> git.lyx.org Git - lyx.git/blobdiff - src/frontends/qt4/GuiView.cpp
I assume this was a c&p error
[lyx.git] / src / frontends / qt4 / GuiView.cpp
index 89e439e029a8e83691ed60cf5bfc85ff122e186b..569de58926a42788028d0e627c962fd9ef35efc1 100644 (file)
@@ -57,6 +57,7 @@
 #include "LyXVC.h"
 #include "Paragraph.h"
 #include "SpellChecker.h"
+#include "TexRow.h"
 #include "TextClass.h"
 #include "Text.h"
 #include "Toolbars.h"
 #include <QUrl>
 #include <QScrollBar>
 
+
+
 #define EXPORT_in_THREAD 1
 
 // QtConcurrent was introduced in Qt 4.4
 #include <QtConcurrentRun>
 #endif
 
-#include <boost/bind.hpp>
+#include "support/bind.h"
 
 #include <sstream>
 
@@ -140,6 +143,8 @@ public:
        BackgroundWidget()
        {
                LYXERR(Debug::GUI, "show banner: " << lyxrc.show_banner);
+               if (!lyxrc.show_banner)
+                       return;
                /// The text to be written on top of the pixmap
                QString const text = lyx_version ?
                        qt_("version ") + lyx_version : qt_("unknown version");
@@ -152,8 +157,9 @@ public:
                font.setStyleHint(QFont::SansSerif);
                font.setWeight(QFont::Bold);
                font.setPointSize(int(toqstr(lyxrc.font_sizes[FONT_SIZE_LARGE]).toDouble()));
+               int width = QFontMetrics(font).width(text);
                pain.setFont(font);
-               pain.drawText(260, 15, text);
+               pain.drawText(397 - width, 15, text);
                setFocusPolicy(Qt::StrongFocus);
        }
 
@@ -185,7 +191,7 @@ private:
 /// Toolbar store providing access to individual toolbars by name.
 typedef map<string, GuiToolbar *> ToolbarMap;
 
-typedef boost::shared_ptr<Dialog> DialogPtr;
+typedef shared_ptr<Dialog> DialogPtr;
 
 } // namespace anon
 
@@ -211,17 +217,17 @@ struct GuiView::GuiViewPrivate
 
                // TODO cleanup, remove the singleton, handle multiple Windows?
                progress_ = ProgressInterface::instance();
-               if (!dynamic_cast<GuiProgress*>(progress_)) {           
+               if (!dynamic_cast<GuiProgress*>(progress_)) {
                        progress_ = new GuiProgress();  // TODO who deletes it
-                       ProgressInterface::setInstance(progress_);                      
+                       ProgressInterface::setInstance(progress_);
                }
                QObject::connect(
-                               dynamic_cast<GuiProgress*>(progress_), 
-                               SIGNAL(updateStatusBarMessage(QString const&)), 
+                               dynamic_cast<GuiProgress*>(progress_),
+                               SIGNAL(updateStatusBarMessage(QString const&)),
                                gv, SLOT(updateStatusBarMessage(QString const&)));
                QObject::connect(
-                               dynamic_cast<GuiProgress*>(progress_), 
-                               SIGNAL(clearMessageText()), 
+                               dynamic_cast<GuiProgress*>(progress_),
+                               SIGNAL(clearMessageText()),
                                gv, SLOT(clearMessageText()));
        }
 
@@ -321,7 +327,7 @@ public:
        ToolbarMap toolbars_;
        ProgressInterface* progress_;
        /// The main layout box.
-       /** 
+       /**
         * \warning Don't Delete! The layout box is actually owned by
         * whichever toolbar contains it. All the GuiView class needs is a
         * means of accessing it.
@@ -351,12 +357,22 @@ public:
        ///
        QFutureWatcher<docstring> autosave_watcher_;
        QFutureWatcher<docstring> preview_watcher_;
+       ///
+       string last_export_format;
 #else
-       struct DummyWatcher { bool isRunning(){return false;} }; 
+       struct DummyWatcher { bool isRunning(){return false;} };
        DummyWatcher preview_watcher_;
 #endif
+
+       static QSet<Buffer const *> busyBuffers;
+       static docstring previewAndDestroy(Buffer const * orig, Buffer * buffer, string const & format);
+       static docstring exportAndDestroy(Buffer const * orig, Buffer * buffer, string const & format);
+       static docstring saveAndDestroy(Buffer const * orig, Buffer * buffer, FileName const & fname);
+
 };
 
+QSet<Buffer const *> GuiView::GuiViewPrivate::busyBuffers;
+
 
 GuiView::GuiView(int id)
        : d(*new GuiViewPrivate(this)), id_(id), closing_(false)
@@ -369,7 +385,7 @@ GuiView::GuiView(int id)
        // filling, at least for the static special menu item on Mac. Otherwise
        // they are greyed out.
        guiApp->setCurrentView(this);
-       
+
        // Fill up the menu bar.
        guiApp->menus().fillMenuBar(menuBar(), this, true);
 
@@ -377,7 +393,7 @@ GuiView::GuiView(int id)
 
        // Start autosave timer
        if (lyxrc.autosave) {
-               d.autosave_timeout_.timeout.connect(boost::bind(&GuiView::autoSave, this));
+               d.autosave_timeout_.timeout.connect(bind(&GuiView::autoSave, this));
                d.autosave_timeout_.setTimeout(lyxrc.autosave * 1000);
                d.autosave_timeout_.start();
        }
@@ -447,6 +463,8 @@ void GuiView::threadFinished()
        QFutureWatcher<docstring> const * watcher =
                static_cast<QFutureWatcher<docstring> const *>(sender());
        message(watcher->result());
+       updateToolbars();
+       errors(d.last_export_format);
 #endif
 }
 
@@ -645,12 +663,30 @@ void GuiView::showEvent(QShowEvent * e)
 }
 
 
+bool GuiView::closeScheduled()
+{
+       closing_ = true;
+       return close();
+}
+
+
 /** Destroy only all tabbed WorkAreas. Destruction of other WorkAreas
  ** is responsibility of the container (e.g., dialog)
  **/
 void GuiView::closeEvent(QCloseEvent * close_event)
 {
        LYXERR(Debug::DEBUG, "GuiView::closeEvent()");
+
+       if (!GuiViewPrivate::busyBuffers.isEmpty()) {
+               Alert::warning(_("Exit LyX"), _("LyX could not be closed because documents are processed by LyX."));
+               close_event->setAccepted(false);
+               return;
+       }
+
+       // If the user pressed the x (so we didn't call closeView
+       // programmatically), we want to clear all existing entries.
+       if (!closing_)
+               theSession().lastOpened().clear();
        closing_ = true;
 
        writeSession();
@@ -722,7 +758,7 @@ void GuiView::dropEvent(QDropEvent * event)
                vector<const Format *> found_formats;
 
                // Find all formats that have the correct extension.
-               vector<const Format *> const & import_formats 
+               vector<const Format *> const & import_formats
                        = theConverters().importableFormats();
                vector<const Format *>::const_iterator it = import_formats.begin();
                for (; it != import_formats.end(); ++it)
@@ -738,7 +774,7 @@ void GuiView::dropEvent(QDropEvent * event)
                        }
                        string const arg = found_formats[0]->name() + " " + file;
                        cmd = FuncRequest(LFUN_BUFFER_IMPORT, arg);
-               } 
+               }
                else {
                        //FIXME: do we have to explicitly check whether it's a lyx file?
                        LYXERR(Debug::FILES,
@@ -759,7 +795,7 @@ void GuiView::message(docstring const & str)
 {
        if (ForkedProcess::iAmAChild())
                return;
-       
+
        // call is moved to GUI-thread by GuiProgress
        d.progress_->appendMessage(toqstr(str));
 }
@@ -986,8 +1022,15 @@ bool GuiView::focusNextPrevChild(bool /*next*/)
 }
 
 
+bool GuiView::busy() const
+{
+       return busy_;
+}
+
+
 void GuiView::setBusy(bool busy)
 {
+       busy_ = busy;
        if (d.current_work_area_) {
                d.current_work_area_->setUpdatesEnabled(!busy);
                if (busy)
@@ -1017,7 +1060,7 @@ GuiWorkArea * GuiView::workArea(Buffer & buffer)
 GuiWorkArea * GuiView::addWorkArea(Buffer & buffer)
 {
        // Automatically create a TabWorkArea if there are none yet.
-       TabWorkArea * tab_widget = d.splitter_->count() 
+       TabWorkArea * tab_widget = d.splitter_->count()
                ? d.currentTabWorkArea() : addTabWorkArea();
        return tab_widget->addWorkArea(buffer, *this);
 }
@@ -1077,8 +1120,8 @@ void GuiView::setCurrentWorkArea(GuiWorkArea * wa)
        // FIXME: I've no clue why this is here and why it accesses
        //  theGuiApp()->currentView, which might be 0 (bug 6464).
        //  See also 27525 (vfr).
-       if (theGuiApp()->currentView() == this 
-                 && theGuiApp()->currentView()->currentWorkArea() == wa) 
+       if (theGuiApp()->currentView() == this
+                 && theGuiApp()->currentView()->currentWorkArea() == wa)
                return;
 
        if (currentBufferView())
@@ -1170,12 +1213,13 @@ void GuiView::updateToolbars()
        ToolbarMap::iterator end = d.toolbars_.end();
        if (d.current_work_area_) {
                bool const math =
-                       d.current_work_area_->bufferView().cursor().inMathed();
+                       d.current_work_area_->bufferView().cursor().inMathed()
+                       && !d.current_work_area_->bufferView().cursor().inRegexped();
                bool const table =
                        lyx::getStatus(FuncRequest(LFUN_LAYOUT_TABULAR)).enabled();
                bool const review =
                        lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).enabled() &&
-                       lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).onoff(true);
+                       lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).onOff(true);
                bool const mathmacrotemplate =
                        lyx::getStatus(FuncRequest(LFUN_IN_MATHMACROTEMPLATE)).enabled();
 
@@ -1286,7 +1330,7 @@ BufferView * GuiView::documentBufferView()
 }
 
 
-BufferView const * GuiView::documentBufferView() const 
+BufferView const * GuiView::documentBufferView() const
 {
        return currentMainWorkArea()
                ? &currentMainWorkArea()->bufferView()
@@ -1307,7 +1351,7 @@ BufferView const * GuiView::currentBufferView() const
 
 
 #if (QT_VERSION >= 0x040400)
-static docstring saveAndDestroyBuffer(Buffer * buffer, FileName const & fname)
+docstring GuiView::GuiViewPrivate::saveAndDestroy(Buffer const * orig, Buffer * buffer, FileName const & fname)
 {
        bool failed = true;
        FileName const tmp_ret = FileName::tempName("lyxauto");
@@ -1320,6 +1364,7 @@ static docstring saveAndDestroyBuffer(Buffer * buffer, FileName const & fname)
                failed = buffer->writeFile(fname);
        }
        delete buffer;
+       busyBuffers.remove(orig);
        return failed
                ? _("Automatic save failed!")
                : _("Automatic save done.");
@@ -1337,8 +1382,9 @@ void GuiView::autoSave()
                return;
 
 #if (QT_VERSION >= 0x040400)
-       QFuture<docstring> f = QtConcurrent::run(saveAndDestroyBuffer, buffer->clone(),
-               buffer->getAutosaveFilename());
+       GuiViewPrivate::busyBuffers.insert(buffer);
+       QFuture<docstring> f = QtConcurrent::run(GuiViewPrivate::saveAndDestroy, buffer, buffer->clone(),
+               buffer->getAutosaveFileName());
        d.autosave_watcher_.setFuture(f);
 #else
        buffer->autoSave();
@@ -1362,7 +1408,7 @@ bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
                ? &(documentBufferView()->buffer()) : 0;
 
        // Check whether we need a buffer
-       if (!lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer) && !buf) {
+       if (!lyxaction.funcHasFlag(cmd.action(), LyXAction::NoBuffer) && !buf) {
                // no, exit directly
                flag.message(from_utf8(N_("Command not allowed with"
                                        "out any document open")));
@@ -1370,22 +1416,19 @@ bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
                return true;
        }
 
-       if (cmd.origin == FuncRequest::TOC) {
+       if (cmd.origin() == FuncRequest::TOC) {
                GuiToc * toc = static_cast<GuiToc*>(findOrBuild("toc", false));
-               FuncStatus fs;
-               if (toc->getStatus(documentBufferView()->cursor(), cmd, fs))
-                       flag |= fs;
-               else
+               if (!toc || !toc->getStatus(documentBufferView()->cursor(), cmd, flag))
                        flag.setEnabled(false);
                return true;
        }
 
-       switch(cmd.action) {
+       switch(cmd.action()) {
        case LFUN_BUFFER_IMPORT:
                break;
 
        case LFUN_MASTER_BUFFER_UPDATE:
-       case LFUN_MASTER_BUFFER_VIEW: 
+       case LFUN_MASTER_BUFFER_VIEW:
                enable = doc_buffer && doc_buffer->parent() != 0
                        && !d.preview_watcher_.isRunning();
                break;
@@ -1433,7 +1476,7 @@ bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
                                break;
                        }
                        b = theBufferList().next(b);
-               } while (b != first); 
+               } while (b != first);
                break;
        }
 
@@ -1468,7 +1511,7 @@ bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
                        flag.setOnOff(t->isVisible());
                else {
                        enable = false;
-                       docstring const msg = 
+                       docstring const msg =
                                bformat(_("Unknown toolbar \"%1$s\""), from_utf8(name));
                        flag.message(msg);
                }
@@ -1476,7 +1519,7 @@ bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
        }
 
        case LFUN_DROP_LAYOUTS_CHOICE:
-               enable = buf; 
+               enable = buf;
                break;
 
        case LFUN_UI_TOGGLE:
@@ -1506,8 +1549,7 @@ bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
                        enable = doc_buffer->isExportable("dvi")
                                && lyxrc.print_command != "none";
                else if (name == "character" || name == "symbols") {
-                       if (!buf || buf->isReadonly()
-                               || !currentBufferView()->cursor().inTexted())
+                       if (!buf || buf->isReadonly())
                                enable = false;
                        else {
                                // FIXME we should consider passthru
@@ -1581,7 +1623,7 @@ bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
        case LFUN_BUFFER_ZOOM_IN:
                enable = doc_buffer;
                break;
-       
+
        case LFUN_BUFFER_NEXT:
        case LFUN_BUFFER_PREVIOUS:
                // FIXME: should we check is there is an previous or next buffer?
@@ -1609,13 +1651,13 @@ bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
                flag.setOnOff(enable && doc_buffer->lyxvc().locking());
                break;
        case LFUN_VC_REVERT:
-               enable = doc_buffer && doc_buffer->lyxvc().inUse();
+               enable = doc_buffer && doc_buffer->lyxvc().inUse() && !doc_buffer->isReadonly();
                break;
        case LFUN_VC_UNDO_LAST:
                enable = doc_buffer && doc_buffer->lyxvc().undoLastEnabled();
                break;
        case LFUN_VC_REPO_UPDATE:
-               enable = doc_buffer && doc_buffer->lyxvc().inUse();
+               enable = doc_buffer && doc_buffer->lyxvc().repoUpdateEnabled();
                break;
        case LFUN_VC_COMMAND: {
                if (cmd.argument().empty())
@@ -1625,12 +1667,14 @@ bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
                break;
        }
        case LFUN_VC_COMPARE:
-               enable = doc_buffer && !cmd.argument().empty()
-                        && doc_buffer->lyxvc().prepareFileRevisionEnabled();
+               enable = doc_buffer && doc_buffer->lyxvc().prepareFileRevisionEnabled();
                break;
 
        case LFUN_SERVER_GOTO_FILE_ROW:
                break;
+       case LFUN_FORWARD_SEARCH:
+               enable = !(lyxrc.forward_search_dvi.empty() && lyxrc.forward_search_pdf.empty());
+               break;
 
        default:
                return false;
@@ -1647,7 +1691,7 @@ static FileName selectTemplateFile()
 {
        FileDialog dlg(qt_("Select template file"));
        dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
-       dlg.setButton1(qt_("Templates|#T#t"), toqstr(lyxrc.template_path));
+       dlg.setButton2(qt_("Templates|#T#t"), toqstr(lyxrc.template_path));
 
        FileDialog::Result result = dlg.open(toqstr(lyxrc.template_path),
                                 QStringList(qt_("LyX Documents (*.lyx)")));
@@ -1671,7 +1715,7 @@ Buffer * GuiView::loadDocument(FileName const & filename, bool tolastfiles)
                setBusy(false);
                return 0;
        }
-       
+
        setBuffer(newBuffer);
 
        // scroll to the position when the file was last closed
@@ -1706,7 +1750,7 @@ void GuiView::openDocument(string const & fname)
                FileDialog dlg(qt_("Select document to open"), LFUN_FILE_OPEN);
                dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
                dlg.setButton2(qt_("Examples|#E#e"),
-                               toqstr(addPath(package().system_support().absFilename(), "examples")));
+                               toqstr(addPath(package().system_support().absFileName(), "examples")));
 
                QStringList filter(qt_("LyX Documents (*.lyx)"));
                filter << qt_("LyX-1.3.x Documents (*.lyx13)")
@@ -1730,20 +1774,22 @@ void GuiView::openDocument(string const & fname)
                filename = fname;
 
        // get absolute path of file and add ".lyx" to the filename if
-       // necessary. 
-       FileName const fullname = 
+       // necessary.
+       FileName const fullname =
                        fileSearch(string(), filename, "lyx", support::may_not_exist);
        if (!fullname.empty())
-               filename = fullname.absFilename();
+               filename = fullname.absFileName();
 
        if (!fullname.onlyPath().isDirectory()) {
                Alert::warning(_("Invalid filename"),
                                bformat(_("The directory in the given path\n%1$s\ndoes not exist."),
-                               from_utf8(fullname.absFilename())));
+                               from_utf8(fullname.absFileName())));
                return;
        }
-       // if the file doesn't exist, let the user create one
-       if (!fullname.exists()) {
+
+       // if the file doesn't exist and isn't already open (bug 6645),
+       // let the user create one
+       if (!fullname.exists() && !theBufferList().exists(fullname)) {
                // the user specifically chose this name. Believe him.
                Buffer * const b = newFile(filename, string(), true);
                if (b)
@@ -1757,7 +1803,8 @@ void GuiView::openDocument(string const & fname)
        docstring str2;
        Buffer * buf = loadDocument(fullname);
        if (buf) {
-               buf->updateBuffer();
+               // I don't think this is needed, since it will be done in setBuffer().
+               // buf->updateBuffer();
                setBuffer(buf);
                buf->errors("Parse");
                str2 = bformat(_("Document %1$s opened."), disp_fn);
@@ -1774,7 +1821,7 @@ void GuiView::openDocument(string const & fname)
 static bool import(GuiView * lv, FileName const & filename,
        string const & format, ErrorList & errorList)
 {
-       FileName const lyxfile(support::changeExtension(filename.absFilename(), ".lyx"));
+       FileName const lyxfile(support::changeExtension(filename.absFileName(), ".lyx"));
 
        string loader_format;
        vector<string> loaders = theConverters().loaders();
@@ -1785,7 +1832,7 @@ static bool import(GuiView * lv, FileName const & filename,
                                continue;
 
                        string const tofile =
-                               support::changeExtension(filename.absFilename(),
+                               support::changeExtension(filename.absFileName(),
                                formats.extension(*it));
                        if (!theConverters().convert(0, filename, FileName(tofile),
                                filename, format, *it, errorList))
@@ -1806,17 +1853,18 @@ static bool import(GuiView * lv, FileName const & filename,
                Buffer * buf = lv->loadDocument(lyxfile);
                if (!buf)
                        return false;
-               buf->updateBuffer();
+               // I don't think this is needed, since it will be done in setBuffer().
+               // buf->updateBuffer();
                lv->setBuffer(buf);
                buf->errors("Parse");
        } else {
-               Buffer * const b = newFile(lyxfile.absFilename(), string(), true);
+               Buffer * const b = newFile(lyxfile.absFileName(), string(), true);
                if (!b)
                        return false;
                lv->setBuffer(b);
                bool as_paragraphs = loader_format == "textparagraph";
-               string filename2 = (loader_format == format) ? filename.absFilename()
-                       : support::changeExtension(filename.absFilename(),
+               string filename2 = (loader_format == format) ? filename.absFileName()
+                       : support::changeExtension(filename.absFileName(),
                                          formats.extension(loader_format));
                lv->currentBufferView()->insertPlaintextFile(FileName(filename2),
                        as_paragraphs);
@@ -1851,7 +1899,7 @@ void GuiView::importDocument(string const & argument)
                FileDialog dlg(toqstr(text), LFUN_BUFFER_IMPORT);
                dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
                dlg.setButton2(qt_("Examples|#E#e"),
-                       toqstr(addPath(package().system_support().absFilename(), "examples")));
+                       toqstr(addPath(package().system_support().absFileName(), "examples")));
 
                docstring filter = formats.prettyName(format);
                filter += " (*.";
@@ -1878,7 +1926,7 @@ void GuiView::importDocument(string const & argument)
        // get absolute path of file
        FileName const fullname(support::makeAbsPath(filename));
 
-       FileName const lyxfile(support::changeExtension(fullname.absFilename(), ".lyx"));
+       FileName const lyxfile(support::changeExtension(fullname.absFileName(), ".lyx"));
 
        // Check if the document already is open
        Buffer * buf = theBufferList().getBuffer(lyxfile);
@@ -1890,7 +1938,7 @@ void GuiView::importDocument(string const & argument)
                }
        }
 
-       docstring const displaypath = makeDisplayPath(lyxfile.absFilename(), 30);
+       docstring const displaypath = makeDisplayPath(lyxfile.absFileName(), 30);
 
        // if the file exists already, and we didn't do
        // -i lyx thefile.lyx, warn
@@ -1930,11 +1978,11 @@ void GuiView::newDocument(string const & filename, bool from_template)
 
        string templatefile;
        if (from_template) {
-               templatefile = selectTemplateFile().absFilename();
+               templatefile = selectTemplateFile().absFileName();
                if (templatefile.empty())
                        return;
        }
-       
+
        Buffer * b;
        if (filename.empty())
                b = newUnnamedFile(initpath, to_utf8(_("newfile")), templatefile);
@@ -1944,7 +1992,7 @@ void GuiView::newDocument(string const & filename, bool from_template)
        if (b)
                setBuffer(b);
 
-       // If no new document could be created, it is unsure 
+       // If no new document could be created, it is unsure
        // whether there is a valid BufferView.
        if (currentBufferView())
                // Ensure the cursor is correctly positioned on screen.
@@ -1960,7 +2008,7 @@ void GuiView::insertLyXFile(docstring const & fname)
 
        // FIXME UNICODE
        FileName filename(to_utf8(fname));
-       
+
        if (!filename.empty()) {
                bv->insertLyXFile(filename);
                return;
@@ -1978,7 +2026,7 @@ void GuiView::insertLyXFile(docstring const & fname)
        FileDialog dlg(qt_("Select LyX document to insert"), LFUN_FILE_INSERT);
        dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
        dlg.setButton2(qt_("Examples|#E#e"),
-               toqstr(addPath(package().system_support().absFilename(),
+               toqstr(addPath(package().system_support().absFileName(),
                "examples")));
 
        FileDialog::Result result = dlg.open(toqstr(initpath),
@@ -2015,7 +2063,7 @@ void GuiView::insertPlaintextFile(docstring const & fname,
 
        // FIXME UNICODE
        FileName filename(to_utf8(fname));
-       
+
        if (!filename.empty()) {
                bv->insertPlaintextFile(filename, asParagraph);
                return;
@@ -2051,7 +2099,7 @@ bool GuiView::renameBuffer(Buffer & b, docstring const & newname)
 
        if (!newname.empty()) {
                // FIXME UNICODE
-               fname = support::makeAbsPath(to_utf8(newname), oldname.onlyPath().absFilename());
+               fname = support::makeAbsPath(to_utf8(newname), oldname.onlyPath().absFileName());
        } else {
                // Switch to this Buffer.
                setBuffer(&b);
@@ -2063,11 +2111,11 @@ bool GuiView::renameBuffer(Buffer & b, docstring const & newname)
                dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
                dlg.setButton2(qt_("Templates|#T#t"), toqstr(lyxrc.template_path));
 
-               if (!isLyXFilename(fname.absFilename()))
+               if (!isLyXFileName(fname.absFileName()))
                        fname.changeExtension(".lyx");
 
                FileDialog::Result result =
-                       dlg.save(toqstr(fname.onlyPath().absFilename()),
+                       dlg.save(toqstr(fname.onlyPath().absFileName()),
                                   QStringList(qt_("LyX Documents (*.lyx)")),
                                         toqstr(fname.onlyFileName()));
 
@@ -2079,16 +2127,16 @@ bool GuiView::renameBuffer(Buffer & b, docstring const & newname)
                if (fname.empty())
                        return false;
 
-               if (!isLyXFilename(fname.absFilename()))
+               if (!isLyXFileName(fname.absFileName()))
                        fname.changeExtension(".lyx");
        }
 
        // fname is now the new Buffer location.
        if (FileName(fname).exists()) {
-               docstring const file = makeDisplayPath(fname.absFilename(), 30);
+               docstring const file = makeDisplayPath(fname.absFileName(), 30);
                docstring text = bformat(_("The document %1$s already "
                                           "exists.\n\nDo you want to "
-                                          "overwrite that document?"), 
+                                          "overwrite that document?"),
                                         file);
                int const ret = Alert::prompt(_("Overwrite document?"),
                        text, 0, 2, _("&Overwrite"), _("&Rename"), _("&Cancel"));
@@ -2099,10 +2147,10 @@ bool GuiView::renameBuffer(Buffer & b, docstring const & newname)
                }
        }
 
-       FileName oldauto = b.getAutosaveFilename();
+       FileName oldauto = b.getAutosaveFileName();
 
        // Ok, change the name of the buffer
-       b.setFileName(fname.absFilename());
+       b.setFileName(fname.absFileName());
        b.markDirty();
        bool unnamed = b.isUnnamed();
        b.setUnnamed(false);
@@ -2110,10 +2158,10 @@ bool GuiView::renameBuffer(Buffer & b, docstring const & newname)
 
        // bring the autosave file with us, just in case.
        b.moveAutosaveFile(oldauto);
-       
+
        if (!saveBuffer(b)) {
-               oldauto = b.getAutosaveFilename();
-               b.setFileName(oldname.absFilename());
+               oldauto = b.getAutosaveFileName();
+               b.setFileName(oldname.absFileName());
                b.setUnnamed(unnamed);
                b.saveCheckSum(oldname);
                b.moveAutosaveFile(oldauto);
@@ -2227,7 +2275,7 @@ bool GuiView::closeWorkAreaAll()
        setCurrentWorkArea(currentMainWorkArea());
 
        // We might be in a situation that there is still a tabWorkArea, but
-       // there are no tabs anymore. This can happen when we get here after a 
+       // there are no tabs anymore. This can happen when we get here after a
        // TabWorkArea::lastWorkAreaRemoved() signal. Therefore we count how
        // many TabWorkArea's have no documents anymore.
        int empty_twa = 0;
@@ -2256,6 +2304,11 @@ bool GuiView::closeWorkArea(GuiWorkArea * wa, bool close_buffer)
 
        Buffer & buf = wa->bufferView().buffer();
 
+       if (close_buffer && GuiViewPrivate::busyBuffers.contains(&buf)) {
+               Alert::warning(_("Close document "), _("Document could not be closed because it is processed by LyX."));
+               return false;
+       }
+
        if (close_buffer)
                return closeBuffer(buf);
        else {
@@ -2275,9 +2328,10 @@ bool GuiView::closeBuffer(Buffer & buf)
        // in the session file in the correct order. If we close the master
        // buffer, we can close or release the child buffers here too.
        if (!closing_) {
-               vector<Buffer *> clist = buf.getChildren(false);
-               for (vector<Buffer *>::const_iterator it = clist.begin();
-                        it != clist.end(); ++it) {
+               ListOfBuffers clist = buf.getChildren();
+               ListOfBuffers::const_iterator it = clist.begin();
+               ListOfBuffers::const_iterator const bend = clist.end();
+               for (; it != bend; ++it) {
                        // If a child is dirty, do not close
                        // without user intervention
                        //FIXME: should we look in other tabworkareas?
@@ -2297,6 +2351,7 @@ bool GuiView::closeBuffer(Buffer & buf)
                guiApp->gotoBookmark(i+1, false, false);
 
        if (saveBufferIfNeeded(buf, false)) {
+               buf.removeAutosaveFile();
                theBufferList().release(&buf);
                return true;
        }
@@ -2315,7 +2370,7 @@ bool GuiView::closeTabWorkArea(TabWorkArea * twa)
                // We only want to close the buffer if the same buffer is not visible
                // in another view, and if this is not a child and if we are closing
                // a view (not a tabgroup).
-               bool const close_buffer = 
+               bool const close_buffer =
                        !inMultiViews(wa) && !b.parent() && closing_;
 
                if (!closeWorkArea(wa, close_buffer))
@@ -2349,7 +2404,7 @@ bool GuiView::saveBufferIfNeeded(Buffer & buf, bool hiding)
                docstring const text = bformat(_("The document %1$s has not been "
                                                 "saved yet.\n\nDo you want to save "
                                                 "the document?"), file);
-               ret = Alert::prompt(_("Save new document?"), 
+               ret = Alert::prompt(_("Save new document?"),
                        text, 0, 1, _("&Save"), _("&Cancel"));
                if (ret == 1)
                        ++ret;
@@ -2369,7 +2424,8 @@ bool GuiView::saveBufferIfNeeded(Buffer & buf, bool hiding)
                // if we crash after this we could
                // have no autosave file but I guess
                // this is really improbable (Jug)
-               buf.removeAutosaveFile();
+               // Sometime improbable things happen, bug 6857 (ps)
+               // buf.removeAutosaveFile();
                if (hiding)
                        // revert all changes
                        buf.reload();
@@ -2404,7 +2460,7 @@ bool GuiView::inMultiViews(GuiWorkArea * wa)
        for (int i = 0; i != ids.size() && found_twa <= 1; ++i) {
                if (id_ == ids[i])
                        continue;
-               
+
                if (guiApp->view(ids[i]).workArea(buf))
                        return true;
        }
@@ -2450,7 +2506,7 @@ static bool ensureBufferClean(Buffer * buffer)
                                                 "changes.\n\nDo you want to save "
                                                 "the document?"), file);
                title = _("Save changed document?");
-               
+
        } else {
                text = bformat(_("The document %1$s has not been "
                                                 "saved yet.\n\nDo you want to save "
@@ -2466,10 +2522,10 @@ static bool ensureBufferClean(Buffer * buffer)
 }
 
 
-void GuiView::reloadBuffer()
+bool GuiView::reloadBuffer()
 {
        Buffer * buf = &documentBufferView()->buffer();
-       buf->reload();
+       return buf->reload();
 }
 
 
@@ -2492,21 +2548,20 @@ void GuiView::checkExternallyModifiedBuffers()
 }
 
 
-//FIXME use a DispatchResult object to transmit messages
-void GuiView::dispatchVC(FuncRequest const & cmd)
+void GuiView::dispatchVC(FuncRequest const & cmd, DispatchResult & dr)
 {
-       // message for statusbar
-       string msg;
        Buffer * buffer = documentBufferView()
                ? &(documentBufferView()->buffer()) : 0;
 
-       switch (cmd.action) {
+       switch (cmd.action()) {
        case LFUN_VC_REGISTER:
                if (!buffer || !ensureBufferClean(buffer))
                        break;
                if (!buffer->lyxvc().inUse()) {
-                       if (buffer->lyxvc().registrer())
+                       if (buffer->lyxvc().registrer()) {
                                reloadBuffer();
+                               dr.suppressMessageUpdate();
+                       }
                }
                break;
 
@@ -2514,8 +2569,8 @@ void GuiView::dispatchVC(FuncRequest const & cmd)
                if (!buffer || !ensureBufferClean(buffer))
                        break;
                if (buffer->lyxvc().inUse() && !buffer->isReadonly()) {
-                       msg = buffer->lyxvc().checkIn();
-                       if (!msg.empty())
+                       dr.setMessage(buffer->lyxvc().checkIn());
+                       if (!dr.message().empty())
                                reloadBuffer();
                }
                break;
@@ -2524,7 +2579,7 @@ void GuiView::dispatchVC(FuncRequest const & cmd)
                if (!buffer || !ensureBufferClean(buffer))
                        break;
                if (buffer->lyxvc().inUse()) {
-                       msg = buffer->lyxvc().checkOut();
+                       dr.setMessage(buffer->lyxvc().checkOut());
                        reloadBuffer();
                }
                break;
@@ -2539,7 +2594,7 @@ void GuiView::dispatchVC(FuncRequest const & cmd)
                                frontend::Alert::error(_("Revision control error."),
                                _("Error when setting the locking property."));
                        } else {
-                               msg = res;
+                               dr.setMessage(res);
                                reloadBuffer();
                        }
                }
@@ -2549,18 +2604,20 @@ void GuiView::dispatchVC(FuncRequest const & cmd)
                LASSERT(buffer, return);
                buffer->lyxvc().revert();
                reloadBuffer();
+               dr.suppressMessageUpdate();
                break;
 
        case LFUN_VC_UNDO_LAST:
                LASSERT(buffer, return);
                buffer->lyxvc().undoLast();
                reloadBuffer();
+               dr.suppressMessageUpdate();
                break;
 
        case LFUN_VC_REPO_UPDATE:
                LASSERT(buffer, return);
                if (ensureBufferClean(buffer)) {
-                       msg = buffer->lyxvc().repoUpdate();
+                       dr.setMessage(buffer->lyxvc().repoUpdate());
                        checkExternallyModifiedBuffers();
                }
                break;
@@ -2609,6 +2666,11 @@ void GuiView::dispatchVC(FuncRequest const & cmd)
 
        case LFUN_VC_COMPARE: {
 
+               if (cmd.argument().empty()) {
+                       lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, "comparehistory"));
+                       break;
+               }
+
                string rev1 = cmd.getArg(0);
                string f1, f2;
 
@@ -2626,29 +2688,17 @@ void GuiView::dispatchVC(FuncRequest const & cmd)
                        if (!buffer->lyxvc().prepareFileRevision(rev2, f2))
                                break;
                }
-               // FIXME We need to call comparison feature here.
-               // This is quick and dirty code for testing VC.
-               // We need that comparison feature has some LFUN_COMPARE <FLAG> file1 file1
-               // where <FLAG> specifies whether we want GUI dialog or just launch
-               // running with defaults.
-               /*
-               FileName initpath(lyxrc.document_path);
-               Buffer * dest = newUnnamedFile(initpath, to_utf8(_("differences")));
-               CompareOptions options;
-               Compare * compare = new Compare(loadIfNeeded(FileName(f1)), loadIfNeeded(FileName(f2)), dest, options);
-               compare->start(QThread::LowPriority);
-               Sleep::millisec(200);
-               lyx::dispatch(FuncRequest(LFUN_BUFFER_SWITCH, dest->absFileName()));
-               */
+
+               LYXERR(Debug::LYXVC, "Launching comparison for fetched revisions:\n" <<
+                                       f1 << "\n"  << f2 << "\n" );
+               string par = "compare run " + quoteName(f1) + " " + quoteName(f2);
+               lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, par));
                break;
        }
 
        default:
                break;
        }
-
-       if (!msg.empty())
-               message(from_utf8(msg));
 }
 
 
@@ -2664,7 +2714,7 @@ void GuiView::openChildDocument(string const & fname)
                child = theBufferList().getBuffer(filename);
        } else {
                message(bformat(_("Opening child document %1$s..."),
-               makeDisplayPath(filename.absFilename())));
+               makeDisplayPath(filename.absFileName())));
                child = loadDocument(filename, false);
                parsed = true;
        }
@@ -2675,7 +2725,10 @@ void GuiView::openChildDocument(string const & fname)
        // This makes insertion of citations and references in the child work,
        // when the target is in the parent or another child document.
        child->setParent(&buffer);
-       child->masterBuffer()->updateBuffer();
+
+       // I don't think this is needed, since it will be called in
+       // setBuffer().
+       //      child->masterBuffer()->updateBuffer();
        setBuffer(child);
        if (parsed)
                child->errors("Parse");
@@ -2699,7 +2752,7 @@ bool GuiView::goToFileRow(string const & argument)
                return false;
        }
        Buffer * buf = 0;
-       string const abstmp = package().temp_dir().absFilename();
+       string const abstmp = package().temp_dir().absFileName();
        string const realtmp = package().temp_dir().realPath();
        // We have to use os::path_prefix_is() here, instead of
        // simply prefixIs(), because the file name comes from
@@ -2723,7 +2776,11 @@ bool GuiView::goToFileRow(string const & argument)
                        buf = theBufferList().getBuffer(s);
                else if (s.exists()) {
                        buf = loadDocument(s);
-                       buf->updateBuffer();
+                       if (!buf)
+                               return false;
+                       // I don't think this is needed. loadDocument() calls
+                       // setBuffer(), which calls updateBuffer().
+                       // buf->updateBuffer();
                        buf->errors("Parse");
                } else {
                        message(bformat(
@@ -2739,26 +2796,28 @@ bool GuiView::goToFileRow(string const & argument)
 
 
 #if (QT_VERSION >= 0x040400)
-static docstring exportAndDestroy(Buffer * buffer, string const & format)
+docstring GuiView::GuiViewPrivate::exportAndDestroy(Buffer const * orig, Buffer * buffer, string const & format)
 {
        bool const update_unincluded =
                                buffer->params().maintain_unincluded_children
                                && !buffer->params().getIncludedChildren().empty();
        bool const success = buffer->doExport(format, true, update_unincluded);
        delete buffer;
+       busyBuffers.remove(orig);
        return success
                ? bformat(_("Successful export to format: %1$s"), from_utf8(format))
                : bformat(_("Error exporting to format: %1$s"), from_utf8(format));
 }
 
 
-static docstring previewAndDestroy(Buffer * buffer, string const & format)
+docstring GuiView::GuiViewPrivate::previewAndDestroy(Buffer const * orig, Buffer * buffer, string const & format)
 {
        bool const update_unincluded =
                                buffer->params().maintain_unincluded_children
                                && !buffer->params().getIncludedChildren().empty();
        bool const success = buffer->preview(format, update_unincluded);
        delete buffer;
+       busyBuffers.remove(orig);
        return success
                ? bformat(_("Successful preview of format: %1$s"), from_utf8(format))
                : bformat(_("Error previewing format: %1$s"), from_utf8(format));
@@ -2766,18 +2825,19 @@ static docstring previewAndDestroy(Buffer * buffer, string const & format)
 #endif
 
 
+
 void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
 {
        BufferView * bv = currentBufferView();
        // By default we won't need any update.
-       dr.update(Update::None);
+       dr.screenUpdate(Update::None);
        // assume cmd will be dispatched
        dr.dispatched(true);
 
        Buffer * doc_buffer = documentBufferView()
                ? &(documentBufferView()->buffer()) : 0;
 
-       if (cmd.origin == FuncRequest::TOC) {
+       if (cmd.origin() == FuncRequest::TOC) {
                GuiToc * toc = static_cast<GuiToc*>(findOrBuild("toc", false));
                // FIXME: do we need to pass a DispatchResult object here?
                toc->doDispatch(bv->cursor(), cmd);
@@ -2786,7 +2846,7 @@ void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
 
        string const argument = to_utf8(cmd.argument());
 
-       switch(cmd.action) {
+       switch(cmd.action()) {
                case LFUN_BUFFER_CHILD_OPEN:
                        openChildDocument(to_utf8(cmd.argument()));
                        break;
@@ -2800,7 +2860,7 @@ void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
                                break;
                        // GCC only sees strfwd.h when building merged
                        if (::lyx::operator==(cmd.argument(), "custom")) {
-                               dispatch(FuncRequest(LFUN_DIALOG_SHOW, "sendto"), 
+                               dispatch(FuncRequest(LFUN_DIALOG_SHOW, "sendto"),
                                         dr);
                                break;
                        }
@@ -2815,88 +2875,148 @@ void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
                case LFUN_BUFFER_UPDATE: {
                        if (!doc_buffer)
                                break;
+                       docstring msg = _("Exporting ...");
+                       Buffer const * used_buffer = doc_buffer;
                        string format = argument;
-                       if (argument.empty())
-                               format = doc_buffer->getDefaultOutputFormat();
+                       if (format.empty())
+                               format = used_buffer->getDefaultOutputFormat();
 #if EXPORT_in_THREAD && (QT_VERSION >= 0x040400)
-                       d.progress_->clearMessages();
-                       message(_("Exporting ..."));
-                       QFuture<docstring> f = QtConcurrent::run(exportAndDestroy,
-                               doc_buffer->clone(), format);
+                       if (!msg.empty()) {
+                               d.progress_->clearMessages();
+                               message(msg);
+                       }
+                       GuiViewPrivate::busyBuffers.insert(used_buffer);
+                       QFuture<docstring> f = QtConcurrent::run(
+                                   GuiViewPrivate::exportAndDestroy,
+                                   used_buffer,
+                                   used_buffer->clone(),
+                                   format);
                        d.setPreviewFuture(f);
+                       d.last_export_format = used_buffer->bufferFormat();
 #else
                        bool const update_unincluded =
-                               doc_buffer->params().maintain_unincluded_children
-                               && !doc_buffer->params().getIncludedChildren().empty();
-                       doc_buffer->doExport(format, true, update_unincluded);
+                               used_buffer->params().maintain_unincluded_children &&
+                               !used_buffer->params().getIncludedChildren().empty();
+                       used_buffer->doExport(format, true, update_unincluded);
 #endif
                        break;
                }
                case LFUN_BUFFER_VIEW: {
                        if (!doc_buffer)
                                break;
+                       docstring msg = _("Previewing ...");
+                       Buffer const * used_buffer = doc_buffer;
                        string format = argument;
-                       if (argument.empty())
-                               format = doc_buffer->getDefaultOutputFormat();
+                       if (format.empty())
+                               format = used_buffer->getDefaultOutputFormat();
 #if EXPORT_in_THREAD && (QT_VERSION >= 0x040400)
-                       d.progress_->clearMessages();
-                       message(_("Previewing ..."));
-                       QFuture<docstring> f = QtConcurrent::run(previewAndDestroy,
-                               doc_buffer->clone(), format);
+                       if (!msg.empty()) {
+                               d.progress_->clearMessages();
+                               message(msg);
+                       }
+                       GuiViewPrivate::busyBuffers.insert(used_buffer);
+                       QFuture<docstring> f = QtConcurrent::run(
+                                   GuiViewPrivate::previewAndDestroy,
+                                   used_buffer,
+                                   used_buffer->clone(),
+                                   format);
                        d.setPreviewFuture(f);
+                       d.last_export_format = used_buffer->bufferFormat();
 #else
                        bool const update_unincluded =
-                               doc_buffer->params().maintain_unincluded_children
-                               && !doc_buffer->params().getIncludedChildren().empty();
-                       doc_buffer->preview(format, update_unincluded);
+                               used_buffer->params().maintain_unincluded_children &&
+                               !used_buffer->params().getIncludedChildren().empty();
+                       used_buffer->preview(format, update_unincluded);
 #endif
                        break;
                }
                case LFUN_MASTER_BUFFER_UPDATE: {
                        if (!doc_buffer)
                                break;
+                       Buffer const * used_buffer = doc_buffer->masterBuffer();
                        string format = argument;
-                       Buffer const * master = doc_buffer->masterBuffer();
-                       if (argument.empty())
-                               format = master->getDefaultOutputFormat();
+                       if (format.empty())
+                               format = used_buffer->getDefaultOutputFormat();
 #if EXPORT_in_THREAD && (QT_VERSION >= 0x040400)
-                       QFuture<docstring> f = QtConcurrent::run(exportAndDestroy,
-                               master->clone(), format);
+                       GuiViewPrivate::busyBuffers.insert(used_buffer);
+                       QFuture<docstring> f = QtConcurrent::run(
+                                   GuiViewPrivate::exportAndDestroy,
+                                   used_buffer,
+                                   used_buffer->clone(),
+                                   format);
                        d.setPreviewFuture(f);
+                       d.last_export_format = used_buffer->bufferFormat();
 #else
                        bool const update_unincluded =
-                               master->params().maintain_unincluded_children
-                               && !master->params().getIncludedChildren().empty();
-                       master->doExport(format, true);
+                               used_buffer->params().maintain_unincluded_children &&
+                               !used_buffer->params().getIncludedChildren().empty();
+                       used_buffer->doExport(format, update_unincluded);
 #endif
                        break;
                }
                case LFUN_MASTER_BUFFER_VIEW: {
+                       if (!doc_buffer)
+                               break;
+                       Buffer const * used_buffer = doc_buffer->masterBuffer();
                        string format = argument;
-                       Buffer const * master = doc_buffer->masterBuffer();
-                       if (argument.empty())
-                               format = master->getDefaultOutputFormat();
+                       if (format.empty())
+                               format = used_buffer->getDefaultOutputFormat();
 #if EXPORT_in_THREAD && (QT_VERSION >= 0x040400)
-                       QFuture<docstring> f = QtConcurrent::run(previewAndDestroy,
-                               master->clone(), format);
+                       GuiViewPrivate::busyBuffers.insert(used_buffer);
+                       QFuture<docstring> f = QtConcurrent::run(
+                                   GuiViewPrivate::previewAndDestroy,
+                                   used_buffer, 
+                                   used_buffer->clone(), 
+                                   format);
                        d.setPreviewFuture(f);
+                       // TODO doc_buffer was used used? Was this this a copy & paste error?
+                       d.last_export_format = used_buffer->bufferFormat();
 #else
-                       master->preview(format);
+                       used_buffer->preview(format);
 #endif
                        break;
                }
-               case LFUN_BUFFER_SWITCH:
-                       if (FileName::isAbsolute(to_utf8(cmd.argument()))) {
-                               Buffer * buffer = 
-                                       theBufferList().getBuffer(FileName(to_utf8(cmd.argument())));
-                               if (buffer)
-                                       setBuffer(buffer);
-                               else {
-                                       dr.setError(true);
-                                       dr.setMessage(_("Document not loaded"));
+               case LFUN_BUFFER_SWITCH: {
+                       string const file_name = to_utf8(cmd.argument());
+                       if (!FileName::isAbsolute(file_name)) {
+                               dr.setError(true);
+                               dr.setMessage(_("Absolute filename expected."));
+                               break;
+                       }
+
+                       Buffer * buffer = theBufferList().getBuffer(FileName(file_name));
+                       if (!buffer) {
+                               dr.setError(true);
+                               dr.setMessage(_("Document not loaded"));
+                               break;
+                       }
+
+                       // Do we open or switch to the buffer in this view ?
+                       if (workArea(*buffer)
+                                 || lyxrc.open_buffers_in_tabs || !documentBufferView()) {
+                               setBuffer(buffer);
+                               break;
+                       }
+
+                       // Look for the buffer in other views
+                       QList<int> const ids = guiApp->viewIds();
+                       int i = 0;
+                       for (; i != ids.size(); ++i) {
+                               GuiView & gv = guiApp->view(ids[i]);
+                               if (gv.workArea(*buffer)) {
+                                       gv.activateWindow();
+                                       gv.setBuffer(buffer);
+                                       break;
                                }
                        }
+
+                       // If necessary, open a new window as a last resort
+                       if (i == ids.size()) {
+                               lyx::dispatch(FuncRequest(LFUN_WINDOW_NEW));
+                               lyx::dispatch(cmd);
+                       }
                        break;
+               }
 
                case LFUN_BUFFER_NEXT:
                        gotoNextOrPreviousBuffer(NEXTBUFFER);
@@ -2948,6 +3068,7 @@ void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
                        if (ret == 0) {
                                doc_buffer->markClean();
                                reloadBuffer();
+                               dr.forceBufferUpdate();
                        }
                        break;
                }
@@ -2975,7 +3096,7 @@ void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
                                        LYXERR(Debug::ACTION, "Saved " << b->absFileName());
                                }
                                b = theBufferList().next(b);
-                       } while (b != first); 
+                       } while (b != first);
                        dr.setMessage(_("All documents saved."));
                        break;
                }
@@ -3041,7 +3162,7 @@ void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
                                if (!data.empty())
                                        showDialog("character", data);
                        } else if (name == "latexlog") {
-                               Buffer::LogType type; 
+                               Buffer::LogType type;
                                string const logfile = doc_buffer->logName(&type);
                                switch (type) {
                                case Buffer::latexlog:
@@ -3109,7 +3230,7 @@ void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
                                }
                        }
                        break;
-                       
+
                case LFUN_COMPLETION_INLINE:
                        if (d.current_work_area_)
                                d.current_work_area_->completer().showInline();
@@ -3143,7 +3264,7 @@ void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
                case LFUN_BUFFER_ZOOM_IN:
                case LFUN_BUFFER_ZOOM_OUT:
                        if (cmd.argument().empty()) {
-                               if (cmd.action == LFUN_BUFFER_ZOOM_IN)
+                               if (cmd.action() == LFUN_BUFFER_ZOOM_IN)
                                        lyxrc.zoom += 20;
                                else
                                        lyxrc.zoom -= 20;
@@ -3152,7 +3273,7 @@ void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
 
                        if (lyxrc.zoom < 10)
                                lyxrc.zoom = 10;
-                               
+
                        // The global QPixmapCache is used in GuiPainter to cache text
                        // painting so we must reset it.
                        QPixmapCache::clear();
@@ -3169,13 +3290,50 @@ void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
                case LFUN_VC_UNDO_LAST:
                case LFUN_VC_COMMAND:
                case LFUN_VC_COMPARE:
-                       dispatchVC(cmd);
+                       dispatchVC(cmd, dr);
                        break;
 
                case LFUN_SERVER_GOTO_FILE_ROW:
                        goToFileRow(to_utf8(cmd.argument()));
                        break;
 
+               case LFUN_FORWARD_SEARCH: {
+                       FileName const path(doc_buffer->temppath());
+                       string const texname = doc_buffer->latexName();
+                       FileName const dviname(addName(path.absFileName(),
+                                   support::changeExtension(texname, "dvi")));
+                       FileName const pdfname(addName(path.absFileName(),
+                                   support::changeExtension(texname, "pdf")));
+                       if (!dviname.exists() && !pdfname.exists()) {
+                               dr.setMessage(_("Please, preview the document first."));
+                               break;
+                       }
+                       string outname = dviname.onlyFileName();
+                       string command = lyxrc.forward_search_dvi;
+                       if (!dviname.exists() ||
+                           pdfname.lastModified() > dviname.lastModified()) {
+                               outname = pdfname.onlyFileName();
+                               command = lyxrc.forward_search_pdf;
+                       }
+
+                       int row = doc_buffer->texrow().getRowFromIdPos(bv->cursor().paragraph().id(), bv->cursor().pos());
+                       LYXERR(Debug::ACTION, "Forward search: row:" << row
+                               << " id:" << bv->cursor().paragraph().id());
+                       if (!row || command.empty()) {
+                               dr.setMessage(_("Couldn't proceed."));
+                               break;
+                       }
+                       string texrow = convert<string>(row);
+
+                       command = subst(command, "$$n", texrow);
+                       command = subst(command, "$$t", texname);
+                       command = subst(command, "$$o", outname);
+
+                       PathChanger p(path);
+                       Systemcall one;
+                       one.startscript(Systemcall::DontWait, command);
+                       break;
+               }
                default:
                        dr.dispatched(false);
                        break;
@@ -3270,13 +3428,20 @@ void GuiView::toggleFullScreen()
 
 Buffer const * GuiView::updateInset(Inset const * inset)
 {
-       if (!d.current_work_area_)
+       if (!inset)
                return 0;
 
-       if (inset)
-               d.current_work_area_->scheduleRedraw();
+       Buffer const * inset_buffer = &(inset->buffer());
 
-       return &d.current_work_area_->bufferView().buffer();
+       for (int i = 0; i != d.splitter_->count(); ++i) {
+               GuiWorkArea * wa = d.tabWorkArea(i)->currentWorkArea();
+               if (!wa)
+                       continue;
+               Buffer const * buffer = &(wa->bufferView().buffer());
+               if (inset_buffer == buffer)
+                       wa->scheduleRedraw();
+       }
+       return inset_buffer;
 }
 
 
@@ -3309,14 +3474,15 @@ namespace {
 // docs in LyXAction.cpp.
 
 char const * const dialognames[] = {
+
 "aboutlyx", "bibitem", "bibtex", "box", "branch", "changes", "character",
-"citation", "compare", "document", "errorlist", "ert", "external", "file",
-"findreplace", "findreplaceadv", "float", "graphics", "href", "include",
-"index", "index_print", "info", "listings", "label", "log", "mathdelimiter",
-"mathmatrix", "mathspace", "nomenclature", "nomencl_print", "note",
-"paragraph", "phantom", "prefs", "print", "ref", "sendto", "space",
-"spellchecker", "symbols", "tabular", "tabularcreate", "thesaurus", "texinfo",
-"toc", "view-source", "vspace", "wrap", "progress"};
+"citation", "compare", "comparehistory", "document", "errorlist", "ert",
+"external", "file", "findreplace", "findreplaceadv", "float", "graphics",
+"href", "include", "index", "index_print", "info", "listings", "label", "line",
+"log", "mathdelimiter", "mathmatrix", "mathspace", "nomenclature",
+"nomencl_print", "note", "paragraph", "phantom", "prefs", "print", "ref",
+"sendto", "space", "spellchecker", "symbols", "tabular", "tabularcreate",
+"thesaurus", "texinfo", "toc", "view-source", "vspace", "wrap", "progress"};
 
 char const * const * const end_dialognames =
        dialognames + (sizeof(dialognames) / sizeof(char *));
@@ -3400,9 +3566,18 @@ void GuiView::doShowDialog(QString const & qname, QString const & qdata,
        try {
                Dialog * dialog = findOrBuild(name, false);
                if (dialog) {
+                       bool const visible = dialog->isVisibleView();
                        dialog->showData(data);
                        if (inset && currentBufferView())
                                currentBufferView()->editInset(name, inset);
+                       // We only set the focus to the new dialog if it was not yet
+                       // visible in order not to change the existing previous behaviour
+                       if (visible) {
+                               // activateWindow is needed for floating dockviews
+                               dialog->asQWidget()->raise();
+                               dialog->asQWidget()->activateWindow();
+                               dialog->asQWidget()->setFocus();
+                       }
                }
        }
        catch (ExceptionMessage const & ex) {
@@ -3467,7 +3642,7 @@ void GuiView::updateDialogs()
        for(; it != end; ++it) {
                Dialog * dialog = it->second.get();
                if (dialog) {
-                       if (dialog->isBufferDependent() && !documentBufferView())
+                       if (dialog->needBufferOpen() && !documentBufferView())
                                hideDialog(fromqstr(dialog->name()), 0);
                        else if (dialog->isVisibleView())
                                dialog->checkStatus();
@@ -3486,6 +3661,7 @@ Dialog * createGuiChanges(GuiView & lv);
 Dialog * createGuiCharacter(GuiView & lv);
 Dialog * createGuiCitation(GuiView & lv);
 Dialog * createGuiCompare(GuiView & lv);
+Dialog * createGuiCompareHistory(GuiView & lv);
 Dialog * createGuiDelimiter(GuiView & lv);
 Dialog * createGuiDocument(GuiView & lv);
 Dialog * createGuiErrorList(GuiView & lv);
@@ -3543,6 +3719,8 @@ Dialog * GuiView::build(string const & name)
                return createGuiCitation(*this);
        if (name == "compare")
                return createGuiCompare(*this);
+       if (name == "comparehistory")
+               return createGuiCompareHistory(*this);
        if (name == "document")
                return createGuiDocument(*this);
        if (name == "errorlist")