]> git.lyx.org Git - lyx.git/blobdiff - src/frontends/qt4/GuiView.cpp
Use QFontMetrics information for underlines (and friends) width and position
[lyx.git] / src / frontends / qt4 / GuiView.cpp
index b29a4f8fbb376b6bd731940a9e46f02ca70d0c4d..ed7835fcca2d419ebcf98da81f18b24c723d16e7 100644 (file)
 #include "TocModel.h"
 
 #include "qt_helpers.h"
+#include "support/filetools.h"
 
 #include "frontends/alert.h"
+#include "frontends/KeySymbol.h"
 
 #include "buffer_funcs.h"
 #include "Buffer.h"
@@ -58,6 +60,7 @@
 #include "LyXVC.h"
 #include "Paragraph.h"
 #include "SpellChecker.h"
+#include "Session.h"
 #include "TexRow.h"
 #include "TextClass.h"
 #include "Text.h"
@@ -76,7 +79,7 @@
 #include "support/lstrings.h"
 #include "support/os.h"
 #include "support/Package.h"
-#include "support/Path.h"
+#include "support/PathChanger.h"
 #include "support/Systemcall.h"
 #include "support/Timeout.h"
 #include "support/ProgressInterface.h"
 #include <QDesktopWidget>
 #include <QDragEnterEvent>
 #include <QDropEvent>
+#include <QFuture>
+#include <QFutureWatcher>
 #include <QLabel>
 #include <QList>
 #include <QMenu>
 #include <QMenuBar>
+#include <QMimeData>
 #include <QMovie>
 #include <QPainter>
 #include <QPixmap>
 #include <QPixmapCache>
 #include <QPoint>
 #include <QPushButton>
+#include <QScrollBar>
 #include <QSettings>
 #include <QShowEvent>
 #include <QSplitter>
 #include <QStackedWidget>
 #include <QStatusBar>
+#if QT_VERSION >= 0x050000
+#include <QSvgRenderer>
+#endif
+#include <QtConcurrentRun>
 #include <QTime>
 #include <QTimer>
 #include <QToolBar>
 #include <QUrl>
-#include <QScrollBar>
 
 
 
+// sync with GuiAlert.cpp
 #define EXPORT_in_THREAD 1
 
-// QtConcurrent was introduced in Qt 4.4
-#if (QT_VERSION >= 0x040400)
-#include <QFuture>
-#include <QFutureWatcher>
-#include <QtConcurrentRun>
-#endif
 
 #include "support/bind.h"
 
@@ -148,7 +153,8 @@ namespace {
 class BackgroundWidget : public QWidget
 {
 public:
-       BackgroundWidget()
+       BackgroundWidget(int width, int height)
+               : width_(width), height_(height)
        {
                LYXERR(Debug::GUI, "show banner: " << lyxrc.show_banner);
                if (!lyxrc.show_banner)
@@ -156,26 +162,52 @@ public:
                /// The text to be written on top of the pixmap
                QString const text = lyx_version ?
                        qt_("version ") + lyx_version : qt_("unknown version");
-               splash_ = getPixmap("images/", "banner", "png");
+#if QT_VERSION >= 0x050000
+               QString imagedir = "images/";
+               FileName fname = imageLibFileSearch(imagedir, "banner", "svgz");
+               QSvgRenderer svgRenderer(toqstr(fname.absFileName()));
+               if (svgRenderer.isValid()) {
+                       splash_ = QPixmap(splashSize());
+                       QPainter painter(&splash_);
+                       svgRenderer.render(&painter);
+                       splash_.setDevicePixelRatio(pixelRatio());
+               } else {
+                       splash_ = getPixmap("images/", "banner", "png");
+               }
+#else
+               splash_ = getPixmap("images/", "banner", "svgz,png");
+#endif
 
                QPainter pain(&splash_);
                pain.setPen(QColor(0, 0, 0));
+               qreal const fsize = fontSize();
+               QPointF const position = textPosition();
+               LYXERR(Debug::GUI,
+                       "widget pixel ratio: " << pixelRatio() <<
+                       " splash pixel ratio: " << splashPixelRatio() <<
+                       " version text size,position: " << fsize << "@" << position.x() << "+" << position.y());
                QFont font;
                // The font used to display the version info
                font.setStyleHint(QFont::SansSerif);
                font.setWeight(QFont::Bold);
-               font.setPointSize(int(toqstr(lyxrc.font_sizes[FONT_SIZE_LARGE]).toDouble()));
+               font.setPointSizeF(fsize);
                pain.setFont(font);
-               pain.drawText(190, 225, text);
+               pain.drawText(position, text);
                setFocusPolicy(Qt::StrongFocus);
        }
 
        void paintEvent(QPaintEvent *)
        {
-               int x = (width() - splash_.width()) / 2;
-               int y = (height() - splash_.height()) / 2;
+               int const w = width_;
+               int const h = height_;
+               int const x = (width() - w) / 2;
+               int const y = (height() - h) / 2;
+               LYXERR(Debug::GUI,
+                       "widget pixel ratio: " << pixelRatio() <<
+                       " splash pixel ratio: " << splashPixelRatio() <<
+                       " paint pixmap: " << w << "x" << h << "@" << x << "+" << y);
                QPainter pain(this);
-               pain.drawPixmap(x, y, splash_);
+               pain.drawPixmap(x, y, w, h, splash_);
        }
 
        void keyPressEvent(QKeyEvent * ev)
@@ -192,6 +224,40 @@ public:
 
 private:
        QPixmap splash_;
+       int const width_;
+       int const height_;
+
+       /// Current ratio between physical pixels and device-independent pixels
+       double pixelRatio() const {
+#if QT_VERSION >= 0x050000
+               return devicePixelRatio();
+#else
+               return 1.0;
+#endif
+       }
+
+       qreal fontSize() const {
+               return toqstr(lyxrc.font_sizes[FONT_SIZE_NORMAL]).toDouble();
+       }
+
+       QPointF textPosition() const {
+               return QPointF(width_/2 - 18, height_/2 + 45);
+       }
+
+       QSize splashSize() const {
+               return QSize(
+                       static_cast<unsigned int>(width_ * pixelRatio()),
+                       static_cast<unsigned int>(height_ * pixelRatio()));
+       }
+
+       /// Ratio between physical pixels and device-independent pixels of splash image
+       double splashPixelRatio() const {
+#if QT_VERSION >= 0x050000
+               return splash_.devicePixelRatio();
+#else
+               return 1.0;
+#endif
+       }
 };
 
 
@@ -214,6 +280,8 @@ struct GuiView::GuiViewPrivate
                smallIconSize = 16;  // scaling problems
                normalIconSize = 20; // ok, default if iconsize.png is missing
                bigIconSize = 26;       // better for some math icons
+               hugeIconSize = 32;      // better for hires displays
+               giantIconSize = 48;
 
                // if it exists, use width of iconsize.png as normal size
                QString const dir = toqstr(addPath("images", lyxrc.icon_set));
@@ -222,14 +290,14 @@ struct GuiView::GuiViewPrivate
                        QImage image(toqstr(fn.absFileName()));
                        if (image.width() < int(smallIconSize))
                                normalIconSize = smallIconSize;
-                       else if (image.width() > int(bigIconSize))
-                               normalIconSize = bigIconSize;
+                       else if (image.width() > int(giantIconSize))
+                               normalIconSize = giantIconSize;
                        else
                                normalIconSize = image.width();
                }
 
                splitter_ = new QSplitter;
-               bg_widget_ = new BackgroundWidget;
+               bg_widget_ = new BackgroundWidget(400, 250);
                stack_widget_ = new QStackedWidget;
                stack_widget_->addWidget(bg_widget_);
                stack_widget_->addWidget(splitter_);
@@ -238,7 +306,7 @@ struct GuiView::GuiViewPrivate
                // TODO cleanup, remove the singleton, handle multiple Windows?
                progress_ = ProgressInterface::instance();
                if (!dynamic_cast<GuiProgress*>(progress_)) {
-                       progress_ = new GuiProgress();  // TODO who deletes it
+                       progress_ = new GuiProgress;  // TODO who deletes it
                        ProgressInterface::setInstance(progress_);
                }
                QObject::connect(
@@ -285,6 +353,20 @@ struct GuiView::GuiViewPrivate
                        parent, SLOT(bigSizedIcons()));
                menu->addAction(bigIcons);
 
+               QAction * hugeIcons = new QAction(iconSizeGroup);
+               hugeIcons->setText(qt_("Huge-sized icons"));
+               hugeIcons->setCheckable(true);
+               QObject::connect(hugeIcons, SIGNAL(triggered()),
+                       parent, SLOT(hugeSizedIcons()));
+               menu->addAction(hugeIcons);
+
+               QAction * giantIcons = new QAction(iconSizeGroup);
+               giantIcons->setText(qt_("Giant-sized icons"));
+               giantIcons->setCheckable(true);
+               QObject::connect(giantIcons, SIGNAL(triggered()),
+                       parent, SLOT(giantSizedIcons()));
+               menu->addAction(giantIcons);
+
                unsigned int cur = parent->iconSize().width();
                if ( cur == parent->d.smallIconSize)
                        smallIcons->setChecked(true);
@@ -292,6 +374,10 @@ struct GuiView::GuiViewPrivate
                        normalIcons->setChecked(true);
                else if (cur == parent->d.bigIconSize)
                        bigIcons->setChecked(true);
+               else if (cur == parent->d.hugeIconSize)
+                       hugeIcons->setChecked(true);
+               else if (cur == parent->d.giantIconSize)
+                       giantIcons->setChecked(true);
 
                return menu;
        }
@@ -342,7 +428,6 @@ struct GuiView::GuiViewPrivate
                return count;
        }
 
-#if (QT_VERSION >= 0x040400)
        void setPreviewFuture(QFuture<Buffer::ExportStatus> const & f)
        {
                if (processing_thread_watcher_.isRunning()) {
@@ -352,7 +437,6 @@ struct GuiView::GuiViewPrivate
                }
                processing_thread_watcher_.setFuture(f);
        }
-#endif
 
 public:
        GuiView * gv_;
@@ -381,6 +465,8 @@ public:
        unsigned int smallIconSize;
        unsigned int normalIconSize;
        unsigned int bigIconSize;
+       unsigned int hugeIconSize;
+       unsigned int giantIconSize;
        ///
        QTimer statusbar_timer_;
        /// auto-saving of buffers
@@ -391,17 +477,12 @@ public:
        ///
        TocModels toc_models_;
 
-#if (QT_VERSION >= 0x040400)
        ///
        QFutureWatcher<docstring> autosave_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 Buffer::ExportStatus previewAndDestroy(Buffer const * orig, Buffer * buffer, string const & format);
@@ -427,7 +508,8 @@ QSet<Buffer const *> GuiView::GuiViewPrivate::busyBuffers;
 
 
 GuiView::GuiView(int id)
-       : d(*new GuiViewPrivate(this)), id_(id), closing_(false), busy_(0)
+       : d(*new GuiViewPrivate(this)), id_(id), closing_(false), busy_(0),
+         command_execute_(false)
 {
        // GuiToolbars *must* be initialised before the menu bar.
        normalSizedIcons(); // at least on Mac the default is 32 otherwise, which is huge
@@ -455,34 +537,32 @@ GuiView::GuiView(int id)
        // We don't want to keep the window in memory if it is closed.
        setAttribute(Qt::WA_DeleteOnClose, true);
 
-#if (!defined(Q_WS_WIN) && !defined(Q_WS_MACX))
+#if !(defined(Q_OS_WIN) || defined(Q_CYGWIN_WIN)) && !defined(Q_OS_MAC)
        // QIcon::fromTheme was introduced in Qt 4.6
 #if (QT_VERSION >= 0x040600)
        // assign an icon to main form. We do not do it under Qt/Win or Qt/Mac,
        // since the icon is provided in the application bundle. We use a themed
        // version when available and use the bundled one as fallback.
-       setWindowIcon(QIcon::fromTheme("lyx", getPixmap("images/", "lyx", "png")));
+       setWindowIcon(QIcon::fromTheme("lyx", getPixmap("images/", "lyx", "svg,png")));
 #else
-       setWindowIcon(getPixmap("images/", "lyx", "png"));
+       setWindowIcon(getPixmap("images/", "lyx", "svg,png"));
 #endif
 
 #endif
+       resetWindowTitleAndIconText();
 
-#if (QT_VERSION >= 0x040300)
        // use tabbed dock area for multiple docks
        // (such as "source" and "messages")
        setDockOptions(QMainWindow::ForceTabbedDocks);
-#endif
 
        // 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());
+       search_mode mode = theGuiApp()->imageSearchMode();
+       QString fn = toqstr(lyx::libFileSearch("images", "busy", "gif", mode).absFileName());
        QMovie * busyanim = new QMovie(fn, QByteArray(), busylabel);
        busylabel->setMovie(busyanim);
        busyanim->start();
@@ -504,8 +584,6 @@ GuiView::GuiView(int id)
        connect(&d.processing_thread_watcher_, SIGNAL(finished()), this,
                SLOT(processingThreadFinished()));
 
-#endif
-
        connect(this, SIGNAL(triggerShowDialog(QString const &, QString const &, Inset *)),
                SLOT(doShowDialog(QString const &, QString const &, Inset *)));
 
@@ -576,8 +654,6 @@ static void handleExportStatus(GuiView * view, Buffer::ExportStatus status,
 }
 
 
-#if QT_VERSION >= 0x040400
-
 void GuiView::processingThreadStarted()
 {
 }
@@ -609,30 +685,13 @@ void GuiView::autoSaveThreadFinished()
        updateToolbars();
 }
 
-#else
-
-void GuiView::processingThreadStarted()
-{
-}
-
-
-void GuiView::processingThreadFinished()
-{
-}
-
-
-void GuiView::autoSaveThreadFinished()
-{
-}
-#endif
-
 
 void GuiView::saveLayout() const
 {
        QSettings settings;
        settings.beginGroup("views");
        settings.beginGroup(QString::number(id_));
-#ifdef Q_WS_X11
+#if defined(Q_WS_X11) || defined(QPA_XCB)
        settings.setValue("pos", pos());
        settings.setValue("size", size());
 #else
@@ -670,13 +729,15 @@ bool GuiView::restoreLayout()
        // 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.width() != int(d.bigIconSize) &&
+           icon_size.width() != int(d.hugeIconSize) &&
+           icon_size.width() != int(d.giantIconSize)) {
                icon_size.setWidth(d.normalIconSize);
                icon_size.setHeight(d.normalIconSize);
        }
        setIconSize(icon_size);
 
-#ifdef Q_WS_X11
+#if defined(Q_WS_X11) || defined(QPA_XCB)
        QPoint pos = settings.value("pos", QPoint(50, 50)).toPoint();
        QSize size = settings.value("size", QSize(690, 510)).toSize();
        resize(size);
@@ -702,11 +763,19 @@ 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();
+       
+       // init the toolbars that have not been restored
+       Toolbars::Infos::iterator cit = guiApp->toolbars().begin();
+       Toolbars::Infos::iterator end = guiApp->toolbars().end();
+       for (; cit != end; ++cit) {
+               GuiToolbar * tb = toolbar(cit->name);
+               if (tb && !tb->isRestored())
+                       initToolbar(cit->name);
+       }
+
        updateDialogs();
        return true;
 }
@@ -749,51 +818,47 @@ void GuiView::initToolbars()
        // extracts the toolbars from the backend
        Toolbars::Infos::iterator cit = guiApp->toolbars().begin();
        Toolbars::Infos::iterator end = guiApp->toolbars().end();
-       for (; cit != end; ++cit) {
-               GuiToolbar * tb = toolbar(cit->name);
-               if (!tb)
-                       continue;
-               int const visibility = guiApp->toolbars().defaultVisibility(cit->name);
-               bool newline = !(visibility & Toolbars::SAMEROW);
-               tb->setVisible(false);
-               tb->setVisibility(visibility);
-
-               if (visibility & Toolbars::TOP) {
-                       if (newline)
-                               addToolBarBreak(Qt::TopToolBarArea);
-                       addToolBar(Qt::TopToolBarArea, tb);
-               }
+       for (; cit != end; ++cit)
+               initToolbar(cit->name);
+}
 
-               if (visibility & Toolbars::BOTTOM) {
-                       // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
-#if (QT_VERSION >= 0x040202)
-                       if (newline)
-                               addToolBarBreak(Qt::BottomToolBarArea);
-#endif
-                       addToolBar(Qt::BottomToolBarArea, tb);
-               }
 
-               if (visibility & Toolbars::LEFT) {
-                       // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
-#if (QT_VERSION >= 0x040202)
-                       if (newline)
-                               addToolBarBreak(Qt::LeftToolBarArea);
-#endif
-                       addToolBar(Qt::LeftToolBarArea, tb);
-               }
+void GuiView::initToolbar(string const & name)
+{
+       GuiToolbar * tb = toolbar(name);
+       if (!tb)
+               return;
+       int const visibility = guiApp->toolbars().defaultVisibility(name);
+       bool newline = !(visibility & Toolbars::SAMEROW);
+       tb->setVisible(false);
+       tb->setVisibility(visibility);
+
+       if (visibility & Toolbars::TOP) {
+               if (newline)
+                       addToolBarBreak(Qt::TopToolBarArea);
+               addToolBar(Qt::TopToolBarArea, tb);
+       }
 
-               if (visibility & Toolbars::RIGHT) {
-                       // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
-#if (QT_VERSION >= 0x040202)
-                       if (newline)
-                               addToolBarBreak(Qt::RightToolBarArea);
-#endif
-                       addToolBar(Qt::RightToolBarArea, tb);
-               }
+       if (visibility & Toolbars::BOTTOM) {
+               if (newline)
+                       addToolBarBreak(Qt::BottomToolBarArea);
+               addToolBar(Qt::BottomToolBarArea, tb);
+       }
+
+       if (visibility & Toolbars::LEFT) {
+               if (newline)
+                       addToolBarBreak(Qt::LeftToolBarArea);
+               addToolBar(Qt::LeftToolBarArea, tb);
+       }
 
-               if (visibility & Toolbars::ON)
-                       tb->setVisible(true);
+       if (visibility & Toolbars::RIGHT) {
+               if (newline)
+                       addToolBarBreak(Qt::RightToolBarArea);
+               addToolBar(Qt::RightToolBarArea, tb);
        }
+
+       if (visibility & Toolbars::ON)
+               tb->setVisible(true);
 }
 
 
@@ -810,6 +875,16 @@ void GuiView::setFocus()
 }
 
 
+bool GuiView::hasFocus() const
+{
+       if (currentWorkArea())
+               return currentWorkArea()->hasFocus();
+       if (currentMainWorkArea())
+               return currentMainWorkArea()->hasFocus();
+       return d.bg_widget_->hasFocus();
+}
+
+
 void GuiView::focusInEvent(QFocusEvent * e)
 {
        LYXERR(Debug::DEBUG, "GuiView::focusInEvent()" << this);
@@ -853,6 +928,32 @@ bool GuiView::closeScheduled()
 }
 
 
+bool GuiView::prepareAllBuffersForLogout()
+{
+       Buffer * first = theBufferList().first();
+       if (!first)
+               return true;
+
+       // First, iterate over all buffers and ask the users if unsaved
+       // changes should be saved.
+       // We cannot use a for loop as the buffer list cycles.
+       Buffer * b = first;
+       do {
+               if (!saveBufferIfNeeded(const_cast<Buffer &>(*b), false))
+                       return false;
+               b = theBufferList().next(b);
+       } while (b != first);
+
+       // Next, save session state
+       // When a view/window was closed before without quitting LyX, there
+       // are already entries in the lastOpened list.
+       theSession().lastOpened().clear();
+       writeSession();
+
+       return true;
+}
+
+
 /** Destroy only all tabbed WorkAreas. Destruction of other WorkAreas
  ** is responsibility of the container (e.g., dialog)
  **/
@@ -1010,6 +1111,18 @@ void GuiView::bigSizedIcons()
 }
 
 
+void GuiView::hugeSizedIcons()
+{
+       setIconSize(QSize(d.hugeIconSize, d.hugeIconSize));
+}
+
+
+void GuiView::giantSizedIcons()
+{
+       setIconSize(QSize(d.giantIconSize, d.giantIconSize));
+}
+
+
 void GuiView::clearMessage()
 {
        // FIXME: This code was introduced in r19643 to fix bug #4123. However,
@@ -1029,6 +1142,12 @@ void GuiView::updateWindowTitle(GuiWorkArea * wa)
                return;
        setWindowTitle(qt_("LyX: ") + wa->windowTitle());
        setWindowIconText(wa->windowIconText());
+#if (QT_VERSION >= 0x040400)
+       // Sets the path for the window: this is used by OSX to 
+       // allow a context click on the title bar showing a menu
+       // with the path up to the file
+       setWindowFilePath(toqstr(wa->bufferView().buffer().absFileName()));
+#endif
 }
 
 
@@ -1085,7 +1204,7 @@ void GuiView::on_lastWorkAreaRemoved()
                return;
        }
 
-#ifdef Q_WS_MACX
+#ifdef Q_OS_MAC
        // On Mac we also close the last window because the application stay
        // resident in memory. On other platforms we don't close the last
        // window because this would quit the application.
@@ -1106,6 +1225,8 @@ void GuiView::updateStatusBar()
 
 void GuiView::showMessage()
 {
+       if (busy_)
+               return;
        QString msg = toqstr(theGuiApp()->viewStatusMessage());
        if (msg.isEmpty()) {
                BufferView const * bv = currentBufferView();
@@ -1167,9 +1288,7 @@ bool GuiView::event(QEvent * e)
        }
 
        case QEvent::ShortcutOverride: {
-
-// See bug 4888
-#if (!defined Q_WS_X11) || (QT_VERSION >= 0x040500)
+               // See bug 4888
                if (isFullScreen() && menuBar()->isHidden()) {
                        QKeyEvent * ke = static_cast<QKeyEvent*>(e);
                        // FIXME: we should also try to detect special LyX shortcut such as
@@ -1181,7 +1300,6 @@ bool GuiView::event(QEvent * e)
                                return QMainWindow::event(e);
                        }
                }
-#endif
                return QMainWindow::event(e);
        }
 
@@ -1226,6 +1344,23 @@ void GuiView::setBusy(bool busy)
 }
 
 
+void GuiView::resetCommandExecute()
+{
+       command_execute_ = false;
+       updateToolbars();
+}
+
+
+double GuiView::pixelRatio() const
+{
+#if QT_VERSION >= 0x050000
+       return devicePixelRatio();
+#else
+       return 1.0;
+#endif
+}
+       
+       
 GuiWorkArea * GuiView::workArea(int index)
 {
        if (TabWorkArea * twa = d.currentTabWorkArea())
@@ -1376,7 +1511,7 @@ void GuiView::removeWorkArea(GuiWorkArea * wa)
 
        // It is not a tabbed work area (i.e., the search work area), so it
        // should be deleted by other means.
-       LASSERT(found_twa, /* */);
+       LASSERT(found_twa, return);
 
        if (d.current_work_area_ == 0) {
                if (d.splitter_->count() != 0) {
@@ -1407,24 +1542,27 @@ 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().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);
-               bool const mathmacrotemplate =
-                       lyx::getStatus(FuncRequest(LFUN_IN_MATHMACROTEMPLATE)).enabled();
-               bool const ipa =
-                       lyx::getStatus(FuncRequest(LFUN_IN_IPA)).enabled();
+               int context = 0;
+               if (d.current_work_area_->bufferView().cursor().inMathed()
+                       && !d.current_work_area_->bufferView().cursor().inRegexped())
+                       context |= Toolbars::MATH;
+               if (lyx::getStatus(FuncRequest(LFUN_LAYOUT_TABULAR)).enabled())
+                       context |= Toolbars::TABLE;
+               if (lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).enabled()
+                       && lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).onOff(true))
+                       context |= Toolbars::REVIEW;
+               if (lyx::getStatus(FuncRequest(LFUN_IN_MATHMACROTEMPLATE)).enabled())
+                       context |= Toolbars::MATHMACROTEMPLATE;
+               if (lyx::getStatus(FuncRequest(LFUN_IN_IPA)).enabled())
+                       context |= Toolbars::IPA;
+               if (command_execute_)
+                       context |= Toolbars::MINIBUFFER;
 
                for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
-                       it->second->update(math, table, review, mathmacrotemplate, ipa);
+                       it->second->update(context);
        } else
                for (ToolbarMap::iterator it = d.toolbars_.begin(); it != end; ++it)
-                       it->second->update(false, false, false, false, false);
+                       it->second->update();
 }
 
 
@@ -1487,7 +1625,7 @@ void GuiView::errors(string const & error_type, bool from_master)
        if (!bv)
                return;
 
-#if EXPORT_in_THREAD && (QT_VERSION >= 0x040400)
+#if EXPORT_in_THREAD
        // 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);
@@ -1569,7 +1707,6 @@ BufferView const * GuiView::currentBufferView() const
 }
 
 
-#if (QT_VERSION >= 0x040400)
 docstring GuiView::GuiViewPrivate::autosaveAndDestroy(
        Buffer const * orig, Buffer * clone)
 {
@@ -1580,7 +1717,6 @@ docstring GuiView::GuiViewPrivate::autosaveAndDestroy(
                ? _("Automatic save done.")
                : _("Automatic save failed!");
 }
-#endif
 
 
 void GuiView::autoSave()
@@ -1594,14 +1730,10 @@ void GuiView::autoSave()
                return;
        }
 
-#if (QT_VERSION >= 0x040400)
        GuiViewPrivate::busyBuffers.insert(buffer);
        QFuture<docstring> f = QtConcurrent::run(GuiViewPrivate::autosaveAndDestroy,
                buffer, buffer->cloneBufferOnly());
        d.autosave_watcher_.setFuture(f);
-#else
-       buffer->autoSave();
-#endif
        resetAutosaveTimers();
 }
 
@@ -1621,6 +1753,21 @@ bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
        Buffer * doc_buffer = documentBufferView()
                ? &(documentBufferView()->buffer()) : 0;
 
+#ifdef Q_OS_MAC
+       /* In LyX/Mac, when a dialog is open, the menus of the
+          application can still be accessed without giving focus to
+          the main window. In this case, we want to disable the menu
+          entries that are buffer-related.
+          This code must not be used on Linux and Windows, since it
+          would disable buffer-related entries when hovering over the
+          menu (see bug #9574).
+        */
+       if (cmd.origin() == FuncRequest::MENU && !hasFocus()) {
+               buf = 0;
+               doc_buffer = 0;
+       }
+#endif
+
        // Check whether we need a buffer
        if (!lyxaction.funcHasFlag(cmd.action(), LyXAction::NoBuffer) && !buf) {
                // no, exit directly
@@ -1643,7 +1790,9 @@ bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
 
        case LFUN_MASTER_BUFFER_UPDATE:
        case LFUN_MASTER_BUFFER_VIEW:
-               enable = doc_buffer && doc_buffer->parent() != 0
+               enable = doc_buffer
+                       && (doc_buffer->parent() != 0
+                           || doc_buffer->hasChildren())
                        && !d.processing_thread_watcher_.isRunning();
                break;
 
@@ -1761,10 +1910,8 @@ bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
                                || name == "texinfo"
                                || name == "progress"
                                || name == "compare";
-               else if (name == "print")
-                       enable = doc_buffer->params().isExportable("dvi")
-                               && lyxrc.print_command != "none";
-               else if (name == "character" || name == "symbols") {
+               else if (name == "character" || name == "symbols"
+                       || name == "mathdelimiter" || name == "mathmatrix") {
                        if (!buf || buf->isReadonly())
                                enable = false;
                        else {
@@ -1810,7 +1957,7 @@ bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
                        enable = false;
                break;
 
-       case LFUN_COMPLETION_COMPLETE:
+       case LFUN_COMPLETE:
                if (!d.current_work_area_
                        || !d.current_work_area_->completer().inlinePossible(
                        currentBufferView()->cursor()))
@@ -1840,9 +1987,13 @@ bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
                enable = doc_buffer;
                break;
 
+       case LFUN_BUFFER_MOVE_NEXT:
+       case LFUN_BUFFER_MOVE_PREVIOUS:
+               // we do not cycle when moving
        case LFUN_BUFFER_NEXT:
        case LFUN_BUFFER_PREVIOUS:
-               // FIXME: should we check is there is an previous or next buffer?
+               // because we cycle, it doesn't matter whether on first or last
+               enable = (d.currentTabWorkArea()->count() > 1);
                break;
        case LFUN_BUFFER_SWITCH:
                // toggle on the current buffer, but do not toggle off
@@ -1855,6 +2006,12 @@ bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
        case LFUN_VC_REGISTER:
                enable = doc_buffer && !doc_buffer->lyxvc().inUse();
                break;
+       case LFUN_VC_RENAME:
+               enable = doc_buffer && doc_buffer->lyxvc().renameEnabled();
+               break;
+       case LFUN_VC_COPY:
+               enable = doc_buffer && doc_buffer->lyxvc().copyEnabled();
+               break;
        case LFUN_VC_CHECK_IN:
                enable = doc_buffer && doc_buffer->lyxvc().checkInEnabled();
                break;
@@ -1897,6 +2054,10 @@ bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
                enable = documentBufferView() && documentBufferView()->cursor().inTexted();
                break;
 
+       case LFUN_SPELLING_CONTINUOUSLY:
+               flag.setOnOff(lyxrc.spellcheck_continuously);
+               break;
+
        default:
                return false;
        }
@@ -1967,16 +2128,12 @@ void GuiView::openDocument(string const & fname)
        string filename;
 
        if (fname.empty()) {
-               FileDialog dlg(qt_("Select document to open"), LFUN_FILE_OPEN);
+               FileDialog dlg(qt_("Select document to open"));
                dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
                dlg.setButton2(qt_("Examples|#E#e"),
                                toqstr(addPath(package().system_support().absFileName(), "examples")));
 
-               QStringList filter(qt_("LyX Documents (*.lyx)"));
-               filter << qt_("LyX-1.3.x Documents (*.lyx13)")
-                       << qt_("LyX-1.4.x Documents (*.lyx14)")
-                       << qt_("LyX-1.5.x Documents (*.lyx15)")
-                       << qt_("LyX-1.6.x Documents (*.lyx16)");
+               QStringList const filter(qt_("LyX Documents (*.lyx)"));
                FileDialog::Result result =
                        dlg.open(toqstr(initpath), filter);
 
@@ -2009,7 +2166,8 @@ void GuiView::openDocument(string const & fname)
 
        // if the file doesn't exist and isn't already open (bug 6645),
        // let the user create one
-       if (!fullname.exists() && !theBufferList().exists(fullname)) {
+       if (!fullname.exists() && !theBufferList().exists(fullname) &&
+           !LyXVC::file_not_found_hook(fullname)) {
                // the user specifically chose this name. Believe him.
                Buffer * const b = newFile(filename, string(), true);
                if (b)
@@ -2109,7 +2267,7 @@ void GuiView::importDocument(string const & argument)
                docstring const text = bformat(_("Select %1$s file to import"),
                        formats.prettyName(format));
 
-               FileDialog dlg(toqstr(text), LFUN_BUFFER_IMPORT);
+               FileDialog dlg(toqstr(text));
                dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
                dlg.setButton2(qt_("Examples|#E#e"),
                        toqstr(addPath(package().system_support().absFileName(), "examples")));
@@ -2139,6 +2297,18 @@ void GuiView::importDocument(string const & argument)
        // get absolute path of file
        FileName const fullname(support::makeAbsPath(filename));
 
+       // Can happen if the user entered a path into the dialog
+       // (see bug #7437)
+       if (fullname.onlyFileName().empty()) {
+               docstring msg = bformat(_("The file name '%1$s' is invalid!\n"
+                                         "Aborting import."),
+                                       from_utf8(fullname.absFileName()));
+               frontend::Alert::error(_("File name error"), msg);
+               message(_("Canceled."));
+               return;
+       }
+
+
        FileName const lyxfile(support::changeExtension(fullname.absFileName(), ".lyx"));
 
        // Check if the document already is open
@@ -2231,7 +2401,7 @@ void GuiView::insertLyXFile(docstring const & fname)
                        initpath = trypath;
 
                // FIXME UNICODE
-               FileDialog dlg(qt_("Select LyX document to insert"), LFUN_FILE_INSERT);
+               FileDialog dlg(qt_("Select LyX document to insert"));
                dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
                dlg.setButton2(qt_("Examples|#E#e"),
                        toqstr(addPath(package().system_support().absFileName(),
@@ -2259,7 +2429,7 @@ void GuiView::insertLyXFile(docstring const & fname)
 }
 
 
-bool GuiView::renameBuffer(Buffer & b, docstring const & newname)
+bool GuiView::renameBuffer(Buffer & b, docstring const & newname, RenameKind kind)
 {
        FileName fname = b.fileName();
        FileName const oldname = fname;
@@ -2273,8 +2443,7 @@ bool GuiView::renameBuffer(Buffer & b, docstring const & newname)
 
                // No argument? Ask user through dialog.
                // FIXME UNICODE
-               FileDialog dlg(qt_("Choose a filename to save document as"),
-                                  LFUN_BUFFER_WRITE_AS);
+               FileDialog dlg(qt_("Choose a filename to save document as"));
                dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
                dlg.setButton2(qt_("Templates|#T#t"), toqstr(lyxrc.template_path));
 
@@ -2305,7 +2474,7 @@ bool GuiView::renameBuffer(Buffer & b, docstring const & newname)
        // trying to overwrite ourselves, which is fine.)
        if (theBufferList().exists(fname) && fname != oldname
                  && theBufferList().getBuffer(fname) != &b) {
-               docstring const text = 
+               docstring const text =
                        bformat(_("The file\n%1$s\nis already open in your current session.\n"
                            "Please close it before attempting to overwrite it.\n"
                            "Do you want to choose a new filename?"),
@@ -2313,30 +2482,77 @@ bool GuiView::renameBuffer(Buffer & b, docstring const & newname)
                int const ret = Alert::prompt(_("Chosen File Already Open"),
                        text, 0, 1, _("&Rename"), _("&Cancel"));
                switch (ret) {
-               case 0: return renameBuffer(b, docstring());
+               case 0: return renameBuffer(b, docstring(), kind);
                case 1: return false;
                }
                //return false;
        }
-       
-       if (FileName(fname).exists()) {
+
+       bool const existsLocal = fname.exists();
+       bool const existsInVC = LyXVC::fileInVC(fname);
+       if (existsLocal || existsInVC) {
                docstring const file = makeDisplayPath(fname.absFileName(), 30);
-               docstring const text = bformat(_("The document %1$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 renameBuffer(b, docstring());
-               case 2: return false;
+               if (kind != LV_WRITE_AS && existsInVC) {
+                       // renaming to a name that is already in VC
+                       // would not work
+                       docstring text = bformat(_("The document %1$s "
+                                       "is already registered.\n\n"
+                                       "Do you want to choose a new name?"),
+                               file);
+                       docstring const title = (kind == LV_VC_RENAME) ?
+                               _("Rename document?") : _("Copy document?");
+                       docstring const button = (kind == LV_VC_RENAME) ?
+                               _("&Rename") : _("&Copy");
+                       int const ret = Alert::prompt(title, text, 0, 1,
+                               button, _("&Cancel"));
+                       switch (ret) {
+                       case 0: return renameBuffer(b, docstring(), kind);
+                       case 1: return false;
+                       }
                }
+
+               if (existsLocal) {
+                       docstring text = bformat(_("The document %1$s "
+                                       "already exists.\n\n"
+                                       "Do 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 renameBuffer(b, docstring(), kind);
+                       case 2: return false;
+                       }
+               }
+       }
+
+       switch (kind) {
+       case LV_VC_RENAME: {
+               string msg = b.lyxvc().rename(fname);
+               if (msg.empty())
+                       return false;
+               message(from_utf8(msg));
+               break;
+       }
+       case LV_VC_COPY: {
+               string msg = b.lyxvc().copy(fname);
+               if (msg.empty())
+                       return false;
+               message(from_utf8(msg));
+               break;
+       }
+       case LV_WRITE_AS:
+               break;
        }
+       // LyXVC created the file already in case of LV_VC_RENAME or
+       // LV_VC_COPY, but call saveBuffer() nevertheless to get
+       // relative paths of included stuff right if we moved e.g. from
+       // /a/b.lyx to /a/c/b.lyx.
 
        bool const saved = saveBuffer(b, fname);
        if (saved)
-               b.reload(false);
+               b.reload();
        return saved;
 }
 
@@ -2344,12 +2560,13 @@ 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;
+               return compare_no_case(translateIfPossible(from_ascii(first->prettyname())),
+                                      translateIfPossible(from_ascii(second->prettyname()))) <= 0;
        }
 };
 
 
-bool GuiView::exportBufferAs(Buffer & b)
+bool GuiView::exportBufferAs(Buffer & b, docstring const & iformat)
 {
        FileName fname = b.fileName();
 
@@ -2357,37 +2574,50 @@ bool GuiView::exportBufferAs(Buffer & b)
        dlg.setButton1(qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
 
        QStringList types;
-       types << "Any supported format (*.*)";
+       QString const anyformat = qt_("Guess from extension (*.*)");
+       types << anyformat;
        Formats::const_iterator it = formats.begin();
        vector<Format const *> export_formats;
        for (; it != formats.end(); ++it)
-               if (it->documentFormat() && it->inExportMenu())
+               if (it->documentFormat())
                        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() + ")");
+       map<QString, string> fmap;
        QString filter;
+       string ext;
+       for (; fit != export_formats.end(); ++fit) {
+               docstring const loc_prettyname =
+                       translateIfPossible(from_utf8((*fit)->prettyname()));
+               QString const loc_filter = toqstr(bformat(from_ascii("%1$s (*.%2$s)"),
+                                                    loc_prettyname,
+                                                    from_ascii((*fit)->extension())));
+               types << loc_filter;
+               fmap[loc_filter] = (*fit)->name();
+               if (from_ascii((*fit)->name()) == iformat) {
+                       filter = loc_filter;
+                       ext = (*fit)->extension();
+               }
+       }
+       string ofname = fname.onlyFileName();
+       if (!ext.empty())
+               ofname = support::changeExtension(ofname, ext);
        FileDialog::Result result =
                dlg.save(toqstr(fname.onlyPath().absFileName()),
                         types,
-                        toqstr(fname.onlyFileName()),
+                        toqstr(ofname),
                         &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")
+       if (filter == anyformat)
                fmt_name = formats.getFormatFromExtension(fname.extension());
        else
-               fmt_name = formats.getFormatFromPrettyName(fmt_prettyname);
-       LYXERR(Debug::FILES, "fmt_prettyname=" << fmt_prettyname
+               fmt_name = fmap[filter];
+       LYXERR(Debug::FILES, "filter=" << fromqstr(filter)
               << ", fmt_name=" << fmt_name << ", fname=" << fname.absFileName());
 
        if (fmt_name.empty() || fname.empty())
@@ -2404,7 +2634,7 @@ bool GuiView::exportBufferAs(Buffer & b)
                        text, 0, 2, _("&Overwrite"), _("&Rename"), _("&Cancel"));
                switch (ret) {
                case 0: break;
-               case 1: return exportBufferAs(b);
+               case 1: return exportBufferAs(b, from_ascii(fmt_name));
                case 2: return false;
                }
        }
@@ -2416,7 +2646,8 @@ bool GuiView::exportBufferAs(Buffer & b)
 }
 
 
-bool GuiView::saveBuffer(Buffer & b) {
+bool GuiView::saveBuffer(Buffer & b)
+{
        return saveBuffer(b, FileName());
 }
 
@@ -2427,14 +2658,9 @@ bool GuiView::saveBuffer(Buffer & b, FileName const & fn)
                return true;
 
        if (fn.empty() && b.isUnnamed())
-                       return renameBuffer(b, docstring());
+               return renameBuffer(b, docstring());
 
-       bool success;
-       if (fn.empty())
-               success = b.save();
-       else
-               success = b.saveAs(fn);
-       
+       bool const success = (fn.empty() ? b.save() : b.saveAs(fn));
        if (success) {
                theSession().lastFiles().add(b.fileName());
                return true;
@@ -2461,7 +2687,7 @@ bool GuiView::saveBuffer(Buffer & b, FileName const & fn)
                return false;
        }
 
-       return saveBuffer(b);
+       return saveBuffer(b, fn);
 }
 
 
@@ -2760,7 +2986,7 @@ bool GuiView::inOtherView(Buffer & buf)
 }
 
 
-void GuiView::gotoNextOrPreviousBuffer(NextOrPrevious np)
+void GuiView::gotoNextOrPreviousBuffer(NextOrPrevious np, bool const move)
 {
        if (!documentBufferView())
                return;
@@ -2775,7 +3001,10 @@ void GuiView::gotoNextOrPreviousBuffer(NextOrPrevious np)
                                        next_index = (i == nwa - 1 ? 0 : i + 1);
                                else
                                        next_index = (i == 0 ? nwa - 1 : i - 1);
-                               setBuffer(&workArea(next_index)->bufferView().buffer());
+                               if (move)
+                                       twa->moveTab(i, next_index);
+                               else
+                                       setBuffer(&workArea(next_index)->bufferView().buffer());
                                break;
                        }
                }
@@ -2853,17 +3082,53 @@ void GuiView::dispatchVC(FuncRequest const & cmd, DispatchResult & dr)
                if (!buffer->lyxvc().inUse()) {
                        if (buffer->lyxvc().registrer()) {
                                reloadBuffer(*buffer);
-                               dr.suppressMessageUpdate();
+                               dr.clearMessageUpdate();
+                       }
+               }
+               break;
+
+       case LFUN_VC_RENAME:
+       case LFUN_VC_COPY: {
+               if (!buffer || !ensureBufferClean(buffer))
+                       break;
+               if (buffer->lyxvc().inUse() && !buffer->isReadonly()) {
+                       if (buffer->lyxvc().isCheckInWithConfirmation()) {
+                               // Some changes are not yet committed.
+                               // We test here and not in getStatus(), since
+                               // this test is expensive.
+                               string log;
+                               LyXVC::CommandResult ret =
+                                       buffer->lyxvc().checkIn(log);
+                               dr.setMessage(log);
+                               if (ret == LyXVC::ErrorCommand ||
+                                   ret == LyXVC::VCSuccess)
+                                       reloadBuffer(*buffer);
+                               if (buffer->lyxvc().isCheckInWithConfirmation()) {
+                                       frontend::Alert::error(
+                                               _("Revision control error."),
+                                               _("Document could not be checked in."));
+                                       break;
+                               }
                        }
+                       RenameKind const kind = (cmd.action() == LFUN_VC_RENAME) ?
+                               LV_VC_RENAME : LV_VC_COPY;
+                       renameBuffer(*buffer, cmd.argument(), kind);
                }
                break;
+       }
 
        case LFUN_VC_CHECK_IN:
                if (!buffer || !ensureBufferClean(buffer))
                        break;
                if (buffer->lyxvc().inUse() && !buffer->isReadonly()) {
-                       dr.setMessage(buffer->lyxvc().checkIn());
-                       if (!dr.message().empty())
+                       string log;
+                       LyXVC::CommandResult ret = buffer->lyxvc().checkIn(log);
+                       dr.setMessage(log);
+                       // Only skip reloading if the checkin was cancelled or
+                       // an error occurred before the real checkin VCS command
+                       // was executed, since the VCS might have changed the
+                       // file even if it could not checkin successfully.
+                       if (ret == LyXVC::ErrorCommand || ret == LyXVC::VCSuccess)
                                reloadBuffer(*buffer);
                }
                break;
@@ -2897,7 +3162,7 @@ void GuiView::dispatchVC(FuncRequest const & cmd, DispatchResult & dr)
                LASSERT(buffer, return);
                if (buffer->lyxvc().revert()) {
                        reloadBuffer(*buffer);
-                       dr.suppressMessageUpdate();
+                       dr.clearMessageUpdate();
                }
                break;
 
@@ -2905,7 +3170,7 @@ void GuiView::dispatchVC(FuncRequest const & cmd, DispatchResult & dr)
                LASSERT(buffer, return);
                buffer->lyxvc().undoLast();
                reloadBuffer(*buffer);
-               dr.suppressMessageUpdate();
+               dr.clearMessageUpdate();
                break;
 
        case LFUN_VC_REPO_UPDATE:
@@ -3082,7 +3347,6 @@ bool GuiView::goToFileRow(string const & argument)
 }
 
 
-#if (QT_VERSION >= 0x040400)
 template<class T>
 Buffer::ExportStatus GuiView::GuiViewPrivate::runAndDestroy(const T& func, Buffer const * orig, Buffer * clone, string const & format)
 {
@@ -3117,32 +3381,6 @@ Buffer::ExportStatus GuiView::GuiViewPrivate::previewAndDestroy(Buffer const * o
        return runAndDestroy(lyx::bind(mem_func, clone, _1), orig, clone, format);
 }
 
-#else
-
-// not used, but the linker needs them
-
-Buffer::ExportStatus GuiView::GuiViewPrivate::compileAndDestroy(
-               Buffer const *, Buffer *, string const &)
-{
-       return Buffer::ExportSuccess;
-}
-
-
-Buffer::ExportStatus GuiView::GuiViewPrivate::exportAndDestroy(
-               Buffer const *, Buffer *, string const &)
-{
-       return Buffer::ExportSuccess;
-}
-
-
-Buffer::ExportStatus GuiView::GuiViewPrivate::previewAndDestroy(
-               Buffer const *, Buffer *, string const &)
-{
-       return Buffer::ExportSuccess;
-}
-
-#endif
-
 
 bool GuiView::GuiViewPrivate::asyncBufferProcessing(
                           string const & argument,
@@ -3159,11 +3397,11 @@ bool GuiView::GuiViewPrivate::asyncBufferProcessing(
        if (format.empty())
                format = used_buffer->params().getDefaultOutputFormat();
        processing_format = format;
-#if EXPORT_in_THREAD && (QT_VERSION >= 0x040400)
        if (!msg.empty()) {
                progress_->clearMessages();
                gv_->message(msg);
        }
+#if EXPORT_in_THREAD
        GuiViewPrivate::busyBuffers.insert(used_buffer);
        Buffer * cloned_buffer = used_buffer->cloneFromMaster();
        if (!cloned_buffer) {
@@ -3201,7 +3439,7 @@ bool GuiView::GuiViewPrivate::asyncBufferProcessing(
 void GuiView::dispatchToBufferView(FuncRequest const & cmd, DispatchResult & dr)
 {
        BufferView * bv = currentBufferView();
-       LASSERT(bv, /**/);
+       LASSERT(bv, return);
 
        // Let the current BufferView dispatch its own actions.
        bv->dispatch(cmd, dr);
@@ -3268,18 +3506,19 @@ void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
                case LFUN_BUFFER_EXPORT: {
                        if (!doc_buffer)
                                break;
+                       FileName target_dir = doc_buffer->fileName().onlyPath();
+                       string const dest = cmd.getArg(1);
+                       if (!dest.empty() && FileName::isAbsolute(dest))
+                               target_dir = FileName(support::onlyPath(dest));
                        // GCC only sees strfwd.h when building merged
                        if (::lyx::operator==(cmd.argument(), "custom")) {
                                dispatch(FuncRequest(LFUN_DIALOG_SHOW, "sendto"), dr);
                                break;
                        }
-#if QT_VERSION < 0x040400
-                       if (!doc_buffer->doExport(argument, false)) {
-                               dr.setError(true);
-                               dr.setMessage(bformat(_("Error exporting to format: %1$s"),
-                                       cmd.argument()));
+                       if (!target_dir.isDirWritable()) {
+                               exportBufferAs(*doc_buffer, cmd.argument());
+                               break;
                        }
-#else
                        /* TODO/Review: Is it a problem to also export the children?
                                        See the update_unincluded flag */
                        d.asyncBufferProcessing(argument,
@@ -3289,14 +3528,17 @@ void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
                                                &Buffer::doExport,
                                                0);
                        // TODO Inform user about success
-#endif
                        break;
                }
 
-               case LFUN_BUFFER_EXPORT_AS:
+               case LFUN_BUFFER_EXPORT_AS: {
                        LASSERT(doc_buffer, break);
-                       exportBufferAs(*doc_buffer);
+                       docstring f = cmd.argument();
+                       if (f.empty())
+                               f = from_ascii(doc_buffer->params().getDefaultOutputFormat());
+                       exportBufferAs(*doc_buffer, f);
                        break;
+               }
 
                case LFUN_BUFFER_UPDATE: {
                        d.asyncBufferProcessing(argument,
@@ -3376,22 +3618,23 @@ void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
                }
 
                case LFUN_BUFFER_NEXT:
-                       gotoNextOrPreviousBuffer(NEXTBUFFER);
+                       gotoNextOrPreviousBuffer(NEXTBUFFER, false);
+                       break;
+
+               case LFUN_BUFFER_MOVE_NEXT:
+                       gotoNextOrPreviousBuffer(NEXTBUFFER, true);
                        break;
 
                case LFUN_BUFFER_PREVIOUS:
-                       gotoNextOrPreviousBuffer(PREVBUFFER);
+                       gotoNextOrPreviousBuffer(PREVBUFFER, false);
+                       break;
+
+               case LFUN_BUFFER_MOVE_PREVIOUS:
+                       gotoNextOrPreviousBuffer(PREVBUFFER, true);
                        break;
 
                case LFUN_COMMAND_EXECUTE: {
-                       bool const show_it = cmd.argument() != "off";
-                       // FIXME: this is a hack, "minibuffer" should not be
-                       // hardcoded.
-                       if (GuiToolbar * t = toolbar("minibuffer")) {
-                               t->setVisible(show_it);
-                               if (show_it && t->commandBuffer())
-                                       t->commandBuffer()->setFocus();
-                       }
+                       command_execute_ = true;
                        break;
                }
                case LFUN_DROP_LAYOUTS_CHOICE:
@@ -3409,7 +3652,6 @@ void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
 
                case LFUN_FILE_INSERT_PLAINTEXT:
                case LFUN_FILE_INSERT_PLAINTEXT_PARA: {
-                       bool const as_paragraph = (cmd.action() == LFUN_FILE_INSERT_PLAINTEXT_PARA);
                        string const fname = to_utf8(cmd.argument());
                        if (!fname.empty() && !FileName::isAbsolute(fname)) {
                                dr.setMessage(_("Absolute filename expected."));
@@ -3418,8 +3660,7 @@ void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
                        
                        FileName filename(fname);
                        if (fname.empty()) {
-                               FileDialog dlg(qt_("Select file to insert"), (as_paragraph ?
-                                       LFUN_FILE_INSERT_PLAINTEXT_PARA : LFUN_FILE_INSERT_PLAINTEXT));
+                               FileDialog dlg(qt_("Select file to insert"));
 
                                FileDialog::Result result = dlg.open(toqstr(bv->buffer().filePath()),
                                        QStringList(qt_("All Files (*)")));
@@ -3644,7 +3885,7 @@ void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
                        break;
 
 
-               case LFUN_COMPLETION_COMPLETE:
+               case LFUN_COMPLETE:
                        if (d.current_work_area_)
                                d.current_work_area_->completer().tab();
                        break;
@@ -3684,6 +3925,8 @@ void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
                        break;
 
                case LFUN_VC_REGISTER:
+               case LFUN_VC_RENAME:
+               case LFUN_VC_COPY:
                case LFUN_VC_CHECK_IN:
                case LFUN_VC_CHECK_OUT:
                case LFUN_VC_REPO_UPDATE:
@@ -3753,6 +3996,12 @@ void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
                        one.startscript(Systemcall::DontWait, command);
                        break;
                }
+
+               case LFUN_SPELLING_CONTINUOUSLY:
+                       lyxrc.spellcheck_continuously = !lyxrc.spellcheck_continuously;
+                       dr.screenUpdate(Update::Force | Update::FitCursor);
+                       break;
+
                default:
                        // The LFUN must be for one of BufferView, Buffer or Cursor;
                        // let's try that:
@@ -3764,8 +4013,18 @@ void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
        if (isFullScreen()) {
                if (menuBar()->isVisible() && lyxrc.full_screen_menubar)
                        menuBar()->hide();
-               if (statusBar()->isVisible())
-                       statusBar()->hide();
+       }
+
+       // Need to update bv because many LFUNs here might have destroyed it
+       bv = currentBufferView();
+
+       // Clear non-empty selections
+        // (e.g. from a "char-forward-select" followed by "char-backward-select")
+       if (bv) {
+               Cursor & cur = bv->cursor();
+               if ((cur.selection() && cur.selBegin() == cur.selEnd())) {
+                       cur.clearSelection();
+               }
        }
 }
 
@@ -3787,7 +4046,6 @@ bool GuiView::lfunUiToggle(string const & ui_component)
        } else if (ui_component == "menubar") {
                menuBar()->setVisible(!menuBar()->isVisible());
        } else
-#if QT_VERSION >= 0x040300
        if (ui_component == "frame") {
                int l, t, r, b;
                getContentsMargins(&l, &t, &r, &b);
@@ -3799,7 +4057,6 @@ bool GuiView::lfunUiToggle(string const & ui_component)
                        setContentsMargins(0, 0, 0, 0);
                }
        } else
-#endif
        if (ui_component == "fullscreen") {
                toggleFullScreen();
        } else
@@ -3813,9 +4070,7 @@ void GuiView::toggleFullScreen()
        if (isFullScreen()) {
                for (int i = 0; i != d.splitter_->count(); ++i)
                        d.tabWorkArea(i)->setFullScreen(false);
-#if QT_VERSION >= 0x040300
                setContentsMargins(0, 0, 0, 0);
-#endif
                setWindowState(windowState() ^ Qt::WindowFullScreen);
                restoreLayout();
                menuBar()->show();
@@ -3825,12 +4080,11 @@ void GuiView::toggleFullScreen()
                hideDialogs("prefs", 0);
                for (int i = 0; i != d.splitter_->count(); ++i)
                        d.tabWorkArea(i)->setFullScreen(true);
-#if QT_VERSION >= 0x040300
                setContentsMargins(-2, -2, -2, -2);
-#endif
                saveLayout();
                setWindowState(windowState() ^ Qt::WindowFullScreen);
-               statusBar()->hide();
+               if (lyxrc.full_screen_statusbar)
+                       statusBar()->hide();
                if (lyxrc.full_screen_menubar)
                        menuBar()->hide();
                if (lyxrc.full_screen_toolbars) {
@@ -4176,8 +4430,6 @@ Dialog * GuiView::build(string const & name)
                return createGuiPhantom(*this);
        if (name == "prefs")
                return createGuiPreferences(*this);
-       if (name == "print")
-               return createGuiPrint(*this);
        if (name == "ref")
                return createGuiRef(*this);
        if (name == "sendto")