]> git.lyx.org Git - lyx.git/blobdiff - src/frontends/qt4/GuiView.cpp
Return ExportStatus from Buffer to GuiView
[lyx.git] / src / frontends / qt4 / GuiView.cpp
index 554fd90afc03141c40ef5af7efdc14ec4d4f6b0f..54cb368f8874ab4e999f32c9e56b7d2968b53f13 100644 (file)
 #include <QDesktopWidget>
 #include <QDragEnterEvent>
 #include <QDropEvent>
+#include <QLabel>
 #include <QList>
 #include <QMenu>
 #include <QMenuBar>
+#include <QMovie>
 #include <QPainter>
 #include <QPixmap>
 #include <QPixmapCache>
@@ -134,6 +136,11 @@ using namespace std;
 using namespace lyx::support;
 
 namespace lyx {
+
+using support::addExtension;
+using support::changeExtension;
+using support::removeExtension;
+
 namespace frontend {
 
 namespace {
@@ -158,9 +165,8 @@ 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(397 - width, 15, text);
+               pain.drawText(190, 225, text);
                setFocusPolicy(Qt::StrongFocus);
        }
 
@@ -205,10 +211,23 @@ struct GuiView::GuiViewPrivate
                in_show_(false)
        {
                // hardcode here the platform specific icon size
-               smallIconSize = 14;  // scaling problems
-               normalIconSize = 20; // ok, default
+               smallIconSize = 16;  // scaling problems
+               normalIconSize = 20; // ok, default if iconsize.png is missing
                bigIconSize = 26;       // better for some math icons
 
+               // if it exists, use width of iconsize.png as normal size
+               QString const dir = toqstr(addPath("images", lyxrc.icon_set));
+               FileName const fn = lyx::libFileSearch(dir, "iconsize.png");
+               if (!fn.empty()) {
+                       QImage image(toqstr(fn.absFileName()));
+                       if (image.width() < int(smallIconSize))
+                               normalIconSize = smallIconSize;
+                       else if (image.width() > int(bigIconSize))
+                               normalIconSize = bigIconSize;
+                       else
+                               normalIconSize = image.width();
+               }
+
                splitter_ = new QSplitter;
                bg_widget_ = new BackgroundWidget;
                stack_widget_ = new QStackedWidget;
@@ -312,7 +331,7 @@ struct GuiView::GuiViewPrivate
        }
 
 #if (QT_VERSION >= 0x040400)
-       void setPreviewFuture(QFuture<docstring> const & f)
+       void setPreviewFuture(QFuture<Buffer::ExportStatus> const & f)
        {
                if (processing_thread_watcher_.isRunning()) {
                        // we prefer to cancel this preview in order to keep a snappy
@@ -363,34 +382,32 @@ public:
 #if (QT_VERSION >= 0x040400)
        ///
        QFutureWatcher<docstring> autosave_watcher_;
-       QFutureWatcher<docstring> processing_thread_watcher_;
+       QFutureWatcher<Buffer::ExportStatus> processing_thread_watcher_;
        ///
        string last_export_format;
+       string processing_format;
 #else
        struct DummyWatcher { bool isRunning(){return false;} };
        DummyWatcher processing_thread_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 compileAndDestroy(Buffer const * orig, Buffer * buffer, string const & format);
+       static Buffer::ExportStatus previewAndDestroy(Buffer const * orig, Buffer * buffer, string const & format);
+       static Buffer::ExportStatus exportAndDestroy(Buffer const * orig, Buffer * buffer, string const & format);
+       static Buffer::ExportStatus compileAndDestroy(Buffer const * orig, Buffer * buffer, string const & format);
        static docstring autosaveAndDestroy(Buffer const * orig, Buffer * buffer);
 
        template<class T>
-       static docstring runAndDestroy(const T& func, Buffer const * orig, Buffer * buffer, string const & format, string const & msg);
+       static Buffer::ExportStatus runAndDestroy(const T& func, Buffer const * orig, Buffer * buffer, string const & format, string const & msg);
 
        // TODO syncFunc/previewFunc: use bind
        bool asyncBufferProcessing(string const & argument,
                                   Buffer const * used_buffer,
                                   docstring const & msg,
-                                  docstring (*asyncFunc)(Buffer const *, Buffer *, string const &),
-                                  bool (Buffer::*syncFunc)(string const &, bool, bool) const,
-                                  bool (Buffer::*previewFunc)(string const &, bool) const);
+                                  Buffer::ExportStatus (*asyncFunc)(Buffer const *, Buffer *, string const &),
+                                  Buffer::ExportStatus (Buffer::*syncFunc)(string const &, bool) const,
+                                  Buffer::ExportStatus (Buffer::*previewFunc)(string const &) const);
 
-       QTimer processing_cursor_timer_;
-       bool indicates_processing_;
-       QMap<GuiWorkArea*, Qt::CursorShape> orig_cursors_;
        QVector<GuiWorkArea*> guiWorkAreas();
 };
 
@@ -441,18 +458,33 @@ GuiView::GuiView(int id)
        // For Drag&Drop.
        setAcceptDrops(true);
 
+#if (QT_VERSION >= 0x040400)
+
+       // add busy indicator to statusbar
+       QLabel * busylabel = new QLabel(statusBar());
+       statusBar()->addPermanentWidget(busylabel);
+       QString fn = toqstr(lyx::libFileSearch("images", "busy.gif").absFileName());
+       QMovie * busyanim = new QMovie(fn, QByteArray(), busylabel);
+       busylabel->setMovie(busyanim);
+       busyanim->start();
+       busylabel->hide();
+
+       connect(&d.processing_thread_watcher_, SIGNAL(started()), 
+               busylabel, SLOT(show()));
+       connect(&d.processing_thread_watcher_, SIGNAL(finished()), 
+               busylabel, SLOT(hide()));
+
        statusBar()->setSizeGripEnabled(true);
        updateStatusBar();
 
-#if (QT_VERSION >= 0x040400)
        connect(&d.autosave_watcher_, SIGNAL(finished()), this,
-               SLOT(processingThreadFinished()));
+               SLOT(autoSaveThreadFinished()));
+
+       connect(&d.processing_thread_watcher_, SIGNAL(started()), this,
+               SLOT(processingThreadStarted()));
        connect(&d.processing_thread_watcher_, SIGNAL(finished()), this,
                SLOT(processingThreadFinished()));
 
-       d.processing_cursor_timer_.setInterval(1000 * 3);
-       connect(&d.processing_cursor_timer_, SIGNAL(timeout()), this,
-               SLOT(indicateProcessing()));
 #endif
 
        connect(this, SIGNAL(triggerShowDialog(QString const &, QString const &, Inset *)),
@@ -498,96 +530,80 @@ QVector<GuiWorkArea*> GuiView::GuiViewPrivate::guiWorkAreas()
 
 
 #if QT_VERSION >= 0x040400
-void GuiView::setCursorShapes(Qt::CursorShape shape)
-{
-       QVector<GuiWorkArea*> areas = d.guiWorkAreas();
-       Q_FOREACH(GuiWorkArea* wa, areas) {
-               wa->setCursorShape(shape);
-       }
-}
 
-
-void GuiView::restoreCursorShapes()
+void GuiView::processingThreadStarted()
 {
-       QVector<GuiWorkArea*> areas = d.guiWorkAreas();
-       Q_FOREACH(GuiWorkArea* wa, areas) {
-               if (d.orig_cursors_.contains(wa)) {
-                       wa->setCursorShape(d.orig_cursors_[wa]);
-               }
-       }
 }
 
 
-void GuiView::saveCursorShapes()
+void GuiView::processingThreadFinished(bool show_errors)
 {
-       d.orig_cursors_.clear();
-       QVector<GuiWorkArea*> areas = d.guiWorkAreas();
-       Q_FOREACH(GuiWorkArea* wa, areas) {
-               d.orig_cursors_[wa] = wa->cursorShape();
-       }
-}
-
+       QFutureWatcher<Buffer::ExportStatus> const * watcher =
+               static_cast<QFutureWatcher<Buffer::ExportStatus> const *>(sender());
 
-void GuiView::indicateProcessing()
-{
-       if (d.indicates_processing_) {
-               restoreCursorShapes();
-       } else {
-               setCursorShapes(Qt::BusyCursor);
+       Buffer::ExportStatus const status = watcher->result();
+       docstring msg;
+       switch (status) {
+       case Buffer::ExportSuccess:
+               msg = _("Successful export to format: %1$s");
+               break;
+       case Buffer::ExportError:
+       case Buffer::ExportNoPathToFormat:
+       case Buffer::ExportTexPathHasSpaces:
+       case Buffer::ExportConverterError:
+               msg = _("Error while exporting format: %1$s");
+               break;
+       case Buffer::PreviewSuccess:
+               msg = _("Successful preview of format: %1$s");
+               break;
+       case Buffer::PreviewError:
+               msg = _("Error while previewing format: %1$s");
+               break;
        }
-       d.indicates_processing_ = !d.indicates_processing_;
-}
-
-
-void GuiView::processingThreadStarted()
-{
-       saveCursorShapes();
-       d.indicates_processing_ = false;
-       indicateProcessing();
-       d.processing_cursor_timer_.start();
+       message(bformat(msg, from_utf8(d.processing_format)));
+       
+       updateToolbars();
+       if (show_errors) {
+               BufferView const * const bv = currentBufferView();
+               if (bv && !bv->buffer().errorList("Export").empty()) {
+                       errors("Export");
+                       return;
+               }
+               errors(d.last_export_format);
+       }
 }
 
 
 void GuiView::processingThreadFinished()
 {
-       QFutureWatcher<docstring> const * watcher =
-               static_cast<QFutureWatcher<docstring> const *>(sender());
-       message(watcher->result());
-       updateToolbars();
-       errors(d.last_export_format);
-       d.processing_cursor_timer_.stop();
-       restoreCursorShapes();
-       d.indicates_processing_ = false;
+       processingThreadFinished(true);
 }
 
-#else
 
-void GuiView::setCursorShapes(Qt::CursorShape)
+void GuiView::autoSaveThreadFinished()
 {
+       processingThreadFinished(false);
 }
 
-
-void GuiView::restoreCursorShapes()
-{
-}
+#else
 
 
-void GuiView::saveCursorShapes()
+void GuiView::processingThreadStarted()
 {
 }
 
 
-void GuiView::indicateProcessing()
+void GuiView::processingThreadFinished(bool)
 {
 }
 
 
-void GuiView::processingThreadStarted()
+void GuiView::processingThreadFinished()
 {
 }
 
 
-void GuiView::processingThreadFinished()
+void GuiView::autoSaveThreadFinished()
 {
 }
 #endif
@@ -609,6 +625,19 @@ void GuiView::saveLayout() const
 }
 
 
+void GuiView::saveUISettings() const
+{
+       // Save the toolbar private states
+       ToolbarMap::iterator end = d.toolbars_.end();
+       for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
+               it->second->saveSession();
+       // Now take care of all other dialogs
+       map<string, DialogPtr>::const_iterator it = d.dialogs_.begin();
+       for (; it!= d.dialogs_.end(); ++it)
+               it->second->saveSession();
+}
+
+
 bool GuiView::restoreLayout()
 {
        QSettings settings;
@@ -619,7 +648,16 @@ bool GuiView::restoreLayout()
                return false;
 
        //code below is skipped when when ~/.config/LyX is (re)created
-       setIconSize(settings.value(icon_key).toSize());
+       QSize icon_size = settings.value(icon_key).toSize();
+       // Check whether session size changed.
+       if (icon_size.width() != int(d.smallIconSize) &&
+           icon_size.width() != int(d.normalIconSize) &&
+           icon_size.width() != int(d.bigIconSize)) {
+               icon_size.setWidth(d.normalIconSize);
+               icon_size.setHeight(d.normalIconSize);
+       }
+       setIconSize(icon_size);
+
 #ifdef Q_WS_X11
        QPoint pos = settings.value("pos", QPoint(50, 50)).toPoint();
        QSize size = settings.value("size", QSize(690, 510)).toSize();
@@ -646,6 +684,8 @@ bool GuiView::restoreLayout()
                dialog->prepareView();
        if ((dialog = findOrBuild("progress", true)))
                dialog->prepareView();
+       if ((dialog = findOrBuild("findreplaceadv", true)))
+               dialog->prepareView();
 
        if (!restoreState(settings.value("layout").toByteArray(), 0))
                initToolbars();
@@ -758,10 +798,10 @@ void GuiView::focusInEvent(QFocusEvent * e)
        QMainWindow::focusInEvent(e);
        // Make sure guiApp points to the correct view.
        guiApp->setCurrentView(this);
-       if (currentMainWorkArea())
-               currentMainWorkArea()->setFocus();
-       else if (currentWorkArea())
+       if (currentWorkArea())
                currentWorkArea()->setFocus();
+       else if (currentMainWorkArea())
+               currentMainWorkArea()->setFocus();
        else
                d.bg_widget_->setFocus();
 }
@@ -783,6 +823,7 @@ void GuiView::showEvent(QShowEvent * e)
                // No work area, switch to the background widget.
                d.setBackground();
 
+       updateToolbars();
        QMainWindow::showEvent(e);
 }
 
@@ -840,16 +881,8 @@ void GuiView::closeEvent(QCloseEvent * close_event)
        // Saving fullscreen requires additional tweaks in the toolbar code.
        // It wouldn't also work under linux natively.
        if (lyxrc.allow_geometry_session) {
-               // Save this window geometry and layout.
                saveLayout();
-               // Then the toolbar private states.
-               ToolbarMap::iterator end = d.toolbars_.end();
-               for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
-                       it->second->saveSession();
-               // Now take care of all other dialogs:
-               map<string, DialogPtr>::const_iterator it = d.dialogs_.begin();
-               for (; it!= d.dialogs_.end(); ++it)
-                       it->second->saveSession();
+               saveUISettings();
        }
 
        close_event->accept();
@@ -887,7 +920,7 @@ void GuiView::dropEvent(QDropEvent * event)
                        = theConverters().importableFormats();
                vector<const Format *>::const_iterator it = import_formats.begin();
                for (; it != import_formats.end(); ++it)
-                       if ((*it)->extension() == ext)
+                       if ((*it)->hasExtension(ext))
                                found_formats.push_back(*it);
 
                FuncRequest cmd;
@@ -983,6 +1016,8 @@ void GuiView::updateWindowTitle(GuiWorkArea * wa)
 
 void GuiView::on_currentWorkAreaChanged(GuiWorkArea * wa)
 {
+       QObject::disconnect(d.current_work_area_, SIGNAL(busy(bool)),
+               this, SLOT(setBusy(bool)));
        disconnectBuffer();
        disconnectBufferView();
        connectBufferView(wa->bufferView());
@@ -990,6 +1025,7 @@ void GuiView::on_currentWorkAreaChanged(GuiWorkArea * wa)
        d.current_work_area_ = wa;
        QObject::connect(wa, SIGNAL(titleChanged(GuiWorkArea *)),
                this, SLOT(updateWindowTitle(GuiWorkArea *)));
+       QObject::connect(wa, SIGNAL(busy(bool)), this, SLOT(setBusy(bool)));
        updateWindowTitle(wa);
 
        structureChanged();
@@ -1162,18 +1198,12 @@ void GuiView::setBusy(bool busy)
                // busy state didn't change
                return;
 
-       if (d.current_work_area_) {
-               d.current_work_area_->setUpdatesEnabled(!busy);
-               if (busy)
-                       d.current_work_area_->stopBlinkingCursor();
-               else
-                       d.current_work_area_->startBlinkingCursor();
-       }
-
-       if (busy)
+       if (busy) {
                QApplication::setOverrideCursor(Qt::WaitCursor);
-       else
-               QApplication::restoreOverrideCursor();
+               return;
+       }
+       QApplication::restoreOverrideCursor();
+       updateLayoutList();     
 }
 
 
@@ -1381,11 +1411,12 @@ void GuiView::setBuffer(Buffer * newBuffer)
 {
        LYXERR(Debug::DEBUG, "Setting buffer: " << newBuffer << endl);
        LASSERT(newBuffer, return);
-       setBusy(true);
-
+       
        GuiWorkArea * wa = workArea(*newBuffer);
        if (wa == 0) {
+               setBusy(true);
                newBuffer->masterBuffer()->updateBuffer();
+               setBusy(false);
                wa = addWorkArea(*newBuffer);
                // scroll to the position when the BufferView was last closed
                if (lyxrc.use_lastfilepos) {
@@ -1400,8 +1431,6 @@ void GuiView::setBuffer(Buffer * newBuffer)
        connectBuffer(*newBuffer);
        connectBufferView(wa->bufferView());
        setCurrentWorkArea(wa);
-
-       setBusy(false);
 }
 
 
@@ -1433,14 +1462,31 @@ void GuiView::disconnectBufferView()
 
 void GuiView::errors(string const & error_type, bool from_master)
 {
-       ErrorList & el = from_master ?
-               currentBufferView()->buffer().masterBuffer()->errorList(error_type)
-               : currentBufferView()->buffer().errorList(error_type);
+       BufferView const * const bv = currentBufferView();
+       if (!bv)
+               return;
+
+#if EXPORT_in_THREAD && (QT_VERSION >= 0x040400)
+       // We are called with from_master == false by default, so we
+       // have to figure out whether that is the case or not.
+       ErrorList & el = bv->buffer().errorList(error_type);
+       if (el.empty()) {
+           el = bv->buffer().masterBuffer()->errorList(error_type);
+           from_master = true;
+       }
+#else
+       ErrorList const & el = from_master ?
+               bv->buffer().masterBuffer()->errorList(error_type) :
+               bv->buffer().errorList(error_type);
+#endif
+
+       if (el.empty())
+               return;
+
        string data = error_type;
        if (from_master)
                data = "from_master|" + error_type;
-       if (!el.empty())
-               showDialog("errorlist", data);
+       showDialog("errorlist", data);
 }
 
 
@@ -1522,8 +1568,10 @@ void GuiView::autoSave()
 
        Buffer * buffer = documentBufferView()
                ? &documentBufferView()->buffer() : 0;
-       if (!buffer)
+       if (!buffer) {
+               resetAutosaveTimers();
                return;
+       }
 
 #if (QT_VERSION >= 0x040400)
        GuiViewPrivate::busyBuffers.insert(buffer);
@@ -1586,8 +1634,8 @@ bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
                }
                string format = to_utf8(cmd.argument());
                if (cmd.argument().empty())
-                       format = doc_buffer->getDefaultOutputFormat();
-               enable = doc_buffer->isExportableFormat(format);
+                       format = doc_buffer->params().getDefaultOutputFormat();
+               enable = doc_buffer->params().isExportableFormat(format);
                break;
        }
 
@@ -1626,6 +1674,7 @@ bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
        }
 
        case LFUN_BUFFER_WRITE_AS:
+       case LFUN_BUFFER_EXPORT_AS:
                enable = doc_buffer;
                break;
 
@@ -1691,16 +1740,14 @@ bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
                                || name == "progress"
                                || name == "compare";
                else if (name == "print")
-                       enable = doc_buffer->isExportable("dvi")
+                       enable = doc_buffer->params().isExportable("dvi")
                                && lyxrc.print_command != "none";
                else if (name == "character" || name == "symbols") {
                        if (!buf || buf->isReadonly())
                                enable = false;
                        else {
-                               // FIXME we should consider passthru
-                               // paragraphs too.
-                               Inset const & in = currentBufferView()->cursor().inset();
-                               enable = !in.getLayout().isPassThru();
+                               Cursor const & cur = currentBufferView()->cursor();
+                               enable = !(cur.inTexted() && cur.paragraph().isPassThru());
                        }
                }
                else if (name == "latexlog")
@@ -1860,20 +1907,19 @@ Buffer * GuiView::loadDocument(FileName const & filename, bool tolastfiles)
                setBusy(false);
                throw(e);
        }
+       setBusy(false);
 
        if (!newBuffer) {
                message(_("Document not loaded."));
-               setBusy(false);
                return 0;
        }
 
-       newBuffer->errors("Parse");
        setBuffer(newBuffer);
+       newBuffer->errors("Parse");
 
        if (tolastfiles)
                theSession().lastFiles().add(filename);
 
-       setBusy(false);
        return newBuffer;
 }
 
@@ -2039,10 +2085,10 @@ void GuiView::importDocument(string const & argument)
                        toqstr(addPath(package().system_support().absFileName(), "examples")));
 
                docstring filter = formats.prettyName(format);
-               filter += " (*.";
+               filter += " (*.{";
                // FIXME UNICODE
-               filter += from_utf8(formats.extension(format));
-               filter += ')';
+               filter += from_utf8(formats.extensions(format));
+               filter += "})";
 
                FileDialog::Result result =
                        dlg.open(toqstr(initpath), fileFilters(toqstr(filter)));
@@ -2285,6 +2331,81 @@ bool GuiView::renameBuffer(Buffer & b, docstring const & newname)
 }
 
 
+struct PrettyNameComparator
+{
+       bool operator()(Format const *first, Format const *second) const {
+               return compare_ascii_no_case(first->prettyname(), second->prettyname()) <= 0;
+       }
+};
+
+
+bool GuiView::exportBufferAs(Buffer & b)
+{
+       FileName fname = b.fileName();
+
+       FileDialog dlg(qt_("Choose a filename to export the document as"));
+       dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
+
+       QStringList types;
+       types << "Any supported format (*.*)";
+       Formats::const_iterator it = formats.begin();
+       vector<Format const *> export_formats;
+       for (; it != formats.end(); ++it)
+               if (it->documentFormat() && it->inExportMenu())
+                       export_formats.push_back(&(*it));
+       PrettyNameComparator cmp;
+       sort(export_formats.begin(), export_formats.end(), cmp);
+       vector<Format const *>::const_iterator fit = export_formats.begin();
+       for (; fit != export_formats.end(); ++fit)
+               types << toqstr((*fit)->prettyname() + " (*." + (*fit)->extension() + ")");
+       QString filter;
+       FileDialog::Result result =
+               dlg.save(toqstr(fname.onlyPath().absFileName()),
+                        types,
+                        toqstr(fname.onlyFileName()),
+                        &filter);
+       if (result.first != FileDialog::Chosen)
+               return false;
+
+       string s = fromqstr(filter);
+       size_t pos = s.find(" (*.");
+       LASSERT(pos != string::npos, /**/);
+       string fmt_prettyname = s.substr(0, pos);
+       string fmt_name;
+       fname.set(fromqstr(result.second));
+       if (fmt_prettyname == "Any supported format")
+               fmt_name = formats.getFormatFromExtension(fname.extension());
+       else
+               fmt_name = formats.getFormatFromPrettyName(fmt_prettyname);
+       LYXERR(Debug::FILES, "fmt_prettyname=" << fmt_prettyname
+              << ", fmt_name=" << fmt_name << ", fname=" << fname.absFileName());
+
+       if (fmt_name.empty() || fname.empty())
+               return false;
+
+       // fname is now the new Buffer location.
+       if (FileName(fname).exists()) {
+               docstring const file = makeDisplayPath(fname.absFileName(), 30);
+               docstring text = bformat(_("The document %1$s already "
+                                          "exists.\n\nDo you want to "
+                                          "overwrite that document?"),
+                                        file);
+               int const ret = Alert::prompt(_("Overwrite document?"),
+                       text, 0, 2, _("&Overwrite"), _("&Rename"), _("&Cancel"));
+               switch (ret) {
+               case 0: break;
+               case 1: return exportBufferAs(b);
+               case 2: return false;
+               }
+       }
+
+       FuncRequest cmd(LFUN_BUFFER_EXPORT, fmt_name + " " + fname.absFileName());
+       DispatchResult dr;
+       dispatch(cmd, dr);
+       return dr.dispatched();
+}
+
+
 bool GuiView::saveBuffer(Buffer & b) {
        return saveBuffer(b, FileName());
 }
@@ -2447,6 +2568,7 @@ bool GuiView::closeBuffer(Buffer & buf)
        // so no need to do it here. This will ensure that the children end up
        // in the session file in the correct order. If we close the master
        // buffer, we can close or release the child buffers here too.
+       bool success = true;
        if (!closing_) {
                ListOfBuffers clist = buf.getChildren();
                ListOfBuffers::const_iterator it = clist.begin();
@@ -2458,23 +2580,30 @@ bool GuiView::closeBuffer(Buffer & buf)
                        Buffer * child_buf = *it;
                        GuiWorkArea * child_wa = workArea(*child_buf);
                        if (child_wa) {
-                               if (!closeWorkArea(child_wa, true))
-                                       return false;
+                               if (!closeWorkArea(child_wa, true)) {
+                                       success = false;
+                                       break;
+                               }
                        } else
                                theBufferList().releaseChild(&buf, child_buf);
                }
        }
-       // goto bookmark to update bookmark pit.
-       //FIXME: we should update only the bookmarks related to this buffer!
-       LYXERR(Debug::DEBUG, "GuiView::closeBuffer()");
-       for (size_t i = 0; i < theSession().bookmarks().size(); ++i)
-               guiApp->gotoBookmark(i+1, false, false);
-
-       if (saveBufferIfNeeded(buf, false)) {
-               buf.removeAutosaveFile();
-               theBufferList().release(&buf);
-               return true;
+       if (success) {
+               // goto bookmark to update bookmark pit.
+               //FIXME: we should update only the bookmarks related to this buffer!
+               LYXERR(Debug::DEBUG, "GuiView::closeBuffer()");
+               for (size_t i = 0; i < theSession().bookmarks().size(); ++i)
+                       guiApp->gotoBookmark(i+1, false, false);
+
+               if (saveBufferIfNeeded(buf, false)) {
+                       buf.removeAutosaveFile();
+                       theBufferList().release(&buf);
+                       return true;
+               }
        }
+       // open all children again to avoid a crash because of dangling
+       // pointers (bug 6603)
+       buf.updateBuffer();
        return false;
 }
 
@@ -2491,7 +2620,7 @@ bool GuiView::closeTabWorkArea(TabWorkArea * twa)
                // in another view, and if this is not a child and if we are closing
                // a view (not a tabgroup).
                bool const close_buffer =
-                       !inMultiViews(wa) && !b.parent() && closing_;
+                       !inOtherView(b) && !b.parent() && closing_;
 
                if (!closeWorkArea(wa, close_buffer))
                        return false;
@@ -2567,17 +2696,15 @@ bool GuiView::inMultiTabs(GuiWorkArea * wa)
                if (wa_ && wa_ != wa)
                        return true;
        }
-       return inMultiViews(wa);
+       return inOtherView(buf);
 }
 
 
-bool GuiView::inMultiViews(GuiWorkArea * wa)
+bool GuiView::inOtherView(Buffer & buf)
 {
        QList<int> const ids = guiApp->viewIds();
-       Buffer & buf = wa->bufferView().buffer();
 
-       int found_twa = 0;
-       for (int i = 0; i != ids.size() && found_twa <= 1; ++i) {
+       for (int i = 0; i != ids.size(); ++i) {
                if (id_ == ids[i])
                        continue;
 
@@ -2897,6 +3024,13 @@ bool GuiView::goToFileRow(string const & argument)
                        return false;
                }
        }
+       if (!buf) {
+               message(bformat(
+                       _("No buffer for file: %1$s."),
+                       makeDisplayPath(file_name))
+               );
+               return false;
+       }
        setBuffer(buf);
        documentBufferView()->setCursorFromRow(row);
        return true;
@@ -2905,67 +3039,61 @@ bool GuiView::goToFileRow(string const & argument)
 
 #if (QT_VERSION >= 0x040400)
 template<class T>
-docstring GuiView::GuiViewPrivate::runAndDestroy(const T& func, Buffer const * orig, Buffer * buffer, string const & format, string const & msg)
+Buffer::ExportStatus GuiView::GuiViewPrivate::runAndDestroy(const T& func, Buffer const * orig, Buffer * buffer, string const & format, string const & msg)
 {
-       bool const update_unincluded =
-                               buffer->params().maintain_unincluded_children
-                               && !buffer->params().getIncludedChildren().empty();
-       bool const success = func(format, update_unincluded);
-       delete buffer;
+       Buffer::ExportStatus const status = func(format);
+
+       // the cloning operation will have produced a clone of the entire set of
+       // documents, starting from the master. so we must delete those.
+       Buffer * mbuf = const_cast<Buffer *>(buffer->masterBuffer());
+       delete mbuf;
        busyBuffers.remove(orig);
-       if (msg == "preview") {
-               return success
-                       ? bformat(_("Successful preview of format: %1$s"), from_utf8(format))
-                       : bformat(_("Error while previewing format: %1$s"), from_utf8(format));
-       }
-       return success
-               ? bformat(_("Successful export to format: %1$s"), from_utf8(format))
-               : bformat(_("Error while exporting format: %1$s"), from_utf8(format));
+       return status;
 }
 
 
-docstring GuiView::GuiViewPrivate::compileAndDestroy(Buffer const * orig, Buffer * buffer, string const & format)
+Buffer::ExportStatus GuiView::GuiViewPrivate::compileAndDestroy(Buffer const * orig, Buffer * buffer, string const & format)
 {
-       bool (Buffer::* mem_func)(std::string const &, bool, bool) const = &Buffer::doExport;
-       return runAndDestroy(bind(mem_func, buffer, _1, true, _2), orig, buffer, format, "export");
+       Buffer::ExportStatus (Buffer::* mem_func)(std::string const &, bool) const = &Buffer::doExport;
+       return runAndDestroy(bind(mem_func, buffer, _1, true), orig, buffer, format, "export");
 }
 
 
-docstring GuiView::GuiViewPrivate::exportAndDestroy(Buffer const * orig, Buffer * buffer, string const & format)
+Buffer::ExportStatus GuiView::GuiViewPrivate::exportAndDestroy(Buffer const * orig, Buffer * buffer, string const & format)
 {
-       bool (Buffer::* mem_func)(std::string const &, bool, bool) const = &Buffer::doExport;
-       return runAndDestroy(bind(mem_func, buffer, _1, false, _2), orig, buffer, format, "export");
+       Buffer::ExportStatus (Buffer::* mem_func)(std::string const &, bool) const = &Buffer::doExport;
+       return runAndDestroy(bind(mem_func, buffer, _1, false), orig, buffer, format, "export");
 }
 
 
-docstring GuiView::GuiViewPrivate::previewAndDestroy(Buffer const * orig, Buffer * buffer, string const & format)
+Buffer::ExportStatus GuiView::GuiViewPrivate::previewAndDestroy(Buffer const * orig, Buffer * buffer, string const & format)
 {
-       bool(Buffer::* mem_func)(std::string const &, bool) const = &Buffer::preview;
-       return runAndDestroy(bind(mem_func, buffer, _1, _2), orig, buffer, format, "preview");
+       Buffer::ExportStatus (Buffer::* mem_func)(std::string const &) const = &Buffer::preview;
+       return runAndDestroy(bind(mem_func, buffer, _1), orig, buffer, format, "preview");
 }
 
 #else
 
 // not used, but the linker needs them
 
-docstring GuiView::GuiViewPrivate::compileAndDestroy(
+Buffer::ExportStatus GuiView::GuiViewPrivate::compileAndDestroy(
                Buffer const *, Buffer *, string const &)
 {
-       return docstring();
+       return Buffer::ExportSuccess;
 }
 
 
-docstring GuiView::GuiViewPrivate::exportAndDestroy(
+Buffer::ExportStatus GuiView::GuiViewPrivate::exportAndDestroy(
                Buffer const *, Buffer *, string const &)
 {
-       return docstring();
+       return Buffer::ExportSuccess;
 }
 
 
-docstring GuiView::GuiViewPrivate::previewAndDestroy(
+Buffer::ExportStatus GuiView::GuiViewPrivate::previewAndDestroy(
                Buffer const *, Buffer *, string const &)
 {
-       return docstring();
+       return Buffer::ExportSuccess;
 }
 
 #endif
@@ -2975,31 +3103,31 @@ bool GuiView::GuiViewPrivate::asyncBufferProcessing(
                           string const & argument,
                           Buffer const * used_buffer,
                           docstring const & msg,
-                          docstring (*asyncFunc)(Buffer const *, Buffer *, string const &),
-                          bool (Buffer::*syncFunc)(string const &, bool, bool) const,
-                          bool (Buffer::*previewFunc)(string const &, bool) const)
+                          Buffer::ExportStatus (*asyncFunc)(Buffer const *, Buffer *, string const &),
+                          Buffer::ExportStatus (Buffer::*syncFunc)(string const &, bool) const,
+                          Buffer::ExportStatus (Buffer::*previewFunc)(string const &) const)
 {
        if (!used_buffer)
                return false;
 
        string format = argument;
        if (format.empty())
-               format = used_buffer->getDefaultOutputFormat();
+               format = used_buffer->params().getDefaultOutputFormat();
 
 #if EXPORT_in_THREAD && (QT_VERSION >= 0x040400)
-       gv_->processingThreadStarted();
        if (!msg.empty()) {
                progress_->clearMessages();
                gv_->message(msg);
        }
        GuiViewPrivate::busyBuffers.insert(used_buffer);
-       QFuture<docstring> f = QtConcurrent::run(
+       QFuture<Buffer::ExportStatus> f = QtConcurrent::run(
                                asyncFunc,
                                used_buffer,
                                used_buffer->clone(),
                                format);
        setPreviewFuture(f);
-       last_export_format = used_buffer->bufferFormat();
+       processing_format = format;
+       last_export_format = used_buffer->params().bufferFormat();
        (void) syncFunc;
        (void) previewFunc;
        // We are asynchronous, so we don't know here anything about the success
@@ -3007,10 +3135,7 @@ bool GuiView::GuiViewPrivate::asyncBufferProcessing(
 #else
        if (syncFunc) {
                // TODO check here if it breaks exporting with Qt < 4.4
-               bool const update_unincluded =
-                               used_buffer->params().maintain_unincluded_children &&
-                               !used_buffer->params().getIncludedChildren().empty();
-               return (used_buffer->*syncFunc)(format, true, update_unincluded);
+               return (used_buffer->*syncFunc)(format, true);
        } else if (previewFunc) {
                return (used_buffer->*previewFunc)(format, false);
        }
@@ -3031,7 +3156,7 @@ void GuiView::dispatchToBufferView(FuncRequest const & cmd, DispatchResult & dr)
 
        // Try with the document BufferView dispatch if any.
        BufferView * doc_bv = documentBufferView();
-       if (doc_bv) {
+       if (doc_bv && doc_bv != bv) {
                doc_bv->dispatch(cmd, dr);
                if (dr.dispatched())
                        return;
@@ -3097,7 +3222,7 @@ void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
 #if QT_VERSION < 0x040400
                        if (!doc_buffer->doExport(argument, false)) {
                                dr.setError(true);
-                               dr.setMessage(bformat(_("Error exporting to format: %1$s."),
+                               dr.setMessage(bformat(_("Error exporting to format: %1$s"),
                                        cmd.argument()));
                        }
 #else
@@ -3114,6 +3239,11 @@ void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
                        break;
                }
 
+               case LFUN_BUFFER_EXPORT_AS:
+                       LASSERT(doc_buffer, break);
+                       exportBufferAs(*doc_buffer);
+                       break;
+
                case LFUN_BUFFER_UPDATE: {
                        d.asyncBufferProcessing(argument,
                                                doc_buffer,
@@ -3317,10 +3447,9 @@ void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
                }
 
                case LFUN_DIALOG_TOGGLE: {
-                       if (isDialogVisible(cmd.getArg(0)))
-                               dispatch(FuncRequest(LFUN_DIALOG_HIDE, cmd.argument()), dr);
-                       else
-                               dispatch(FuncRequest(LFUN_DIALOG_SHOW, cmd.argument()), dr);
+                       FuncCode const func_code = isDialogVisible(cmd.getArg(0))
+                               ? LFUN_DIALOG_HIDE : LFUN_DIALOG_SHOW;
+                       dispatch(FuncRequest(func_code, cmd.argument()), dr);
                        break;
                }
 
@@ -3478,20 +3607,29 @@ void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
                        break;
 
                case LFUN_FORWARD_SEARCH: {
-                       FileName const path(doc_buffer->temppath());
-                       string const texname = doc_buffer->latexName();
+                       Buffer const * doc_master = doc_buffer->masterBuffer();
+                       FileName const path(doc_master->temppath());
+                       string const texname = doc_master->isChild(doc_buffer)
+                               ? DocFileName(changeExtension(
+                                       doc_buffer->absFileName(),
+                                               "tex")).mangledFileName()
+                               : doc_buffer->latexName();
+                       string const mastername =
+                               removeExtension(doc_master->latexName());
                        FileName const dviname(addName(path.absFileName(),
-                                   support::changeExtension(texname, "dvi")));
+                                       addExtension(mastername, "dvi")));
                        FileName const pdfname(addName(path.absFileName(),
-                                   support::changeExtension(texname, "pdf")));
-                       if (!dviname.exists() && !pdfname.exists()) {
+                                       addExtension(mastername, "pdf")));
+                       bool const have_dvi = dviname.exists();
+                       bool const have_pdf = pdfname.exists();
+                       if (!have_dvi && !have_pdf) {
                                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()) {
+                       if (!have_dvi || (have_pdf &&
+                           pdfname.lastModified() > dviname.lastModified())) {
                                outname = pdfname.onlyFileName();
                                command = lyxrc.forward_search_pdf;
                        }
@@ -3692,6 +3830,7 @@ void GuiView::resetDialogs()
        // Make sure that no LFUN uses any GuiView.
        guiApp->setCurrentView(0);
        saveLayout();
+       saveUISettings();
        menuBar()->clear();
        constructToolbars();
        guiApp->menus().fillMenuBar(menuBar(), this, false);
@@ -3783,9 +3922,12 @@ void GuiView::hideDialog(string const & name, Inset * inset)
        if (it == d.dialogs_.end())
                return;
 
-       if (inset && currentBufferView()
-               && inset != currentBufferView()->editedInset(name))
-               return;
+       if (inset) {
+               if (!currentBufferView())
+                       return;
+               if (inset != currentBufferView()->editedInset(name))
+                       return;
+       }
 
        Dialog * const dialog = it->second.get();
        if (dialog->isVisibleView())