# HG changeset patch
# User Chris Cannam
# Date 1520586054 0
# Node ID 436156b8a448b9e55b8cb0de2698f9d943c4cdd0
# Parent  128c4544036d161e5713de23bc334de6472bd636# Parent  893f556cd5c986f22d23e77a38cac56ab009860a
Merge

diff -r 128c4544036d -r 436156b8a448 main/MainWindow.cpp
--- a/main/MainWindow.cpp	Fri Mar 09 09:00:48 2018 +0000
+++ b/main/MainWindow.cpp	Fri Mar 09 09:00:54 2018 +0000
@@ -249,7 +249,7 @@
     m_playSpeed->setDefaultValue(60);
     m_playSpeed->setShowToolTip(true);
     connect(m_playSpeed, SIGNAL(valueChanged(int)),
-	    this, SLOT(playSpeedChanged(int)));
+            this, SLOT(playSpeedChanged(int)));
     connect(m_playSpeed, SIGNAL(mouseEntered()), this, SLOT(mouseEnteredWidget()));
     connect(m_playSpeed, SIGNAL(mouseLeft()), this, SLOT(mouseLeftWidget()));
 
@@ -390,7 +390,7 @@
         // workaround, to remove the appmenu-qt5 package, but that is
         // awkward and the problem is so severe that it merits disabling
         // the system menubar integration altogether. Like this:
-	menuBar()->setNativeMenuBar(false);  // fix #1039
+        menuBar()->setNativeMenuBar(false);  // fix #1039
 #endif
         
         m_rightButtonMenu = new QMenu();
@@ -553,7 +553,7 @@
     m_keyReference->registerShortcut(action);
     menu->addAction(action);
     toolbar->addAction(action);
-	
+        
     icon = il.load("filesaveas");
     action = new QAction(icon, tr("Save Session &As..."), this);
     action->setShortcut(tr("Ctrl+Shift+S"));
@@ -659,7 +659,7 @@
     action->setStatusTip(tr("Adjust the application preferences"));
     connect(action, SIGNAL(triggered()), this, SLOT(preferences()));
     menu->addAction(action);
-	
+        
     menu->addSeparator();
     action = new QAction(il.load("exit"),
                          tr("&Quit"), this);
@@ -746,7 +746,7 @@
     m_keyReference->registerShortcut(action);
     menu->addAction(action);
     m_rightButtonMenu->addAction(action);
-	
+        
     action = new QAction(tr("Select &Visible Range"), this);
     action->setShortcut(tr("Ctrl+Shift+A"));
     action->setStatusTip(tr("Select the time range corresponding to the current window width"));
@@ -754,7 +754,7 @@
     connect(this, SIGNAL(canSelect(bool)), action, SLOT(setEnabled(bool)));
     m_keyReference->registerShortcut(action);
     menu->addAction(action);
-	
+        
     action = new QAction(tr("Select to &Start"), this);
     action->setShortcut(tr("Shift+Left"));
     action->setStatusTip(tr("Select from the start of the session to the current playback position"));
@@ -762,7 +762,7 @@
     connect(this, SIGNAL(canSelect(bool)), action, SLOT(setEnabled(bool)));
     m_keyReference->registerShortcut(action);
     menu->addAction(action);
-	
+        
     action = new QAction(tr("Select to &End"), this);
     action->setShortcut(tr("Shift+Right"));
     action->setStatusTip(tr("Select from the current playback position to the end of the session"));
@@ -910,7 +910,7 @@
     connect(this, SIGNAL(canScroll(bool)), m_scrollLeftAction, SLOT(setEnabled(bool)));
     m_keyReference->registerShortcut(m_scrollLeftAction);
     menu->addAction(m_scrollLeftAction);
-	
+        
     m_scrollRightAction = new QAction(tr("Scroll &Right"), this);
     m_scrollRightAction->setShortcut(tr("Right"));
     m_scrollRightAction->setStatusTip(tr("Scroll the current pane to the right"));
@@ -918,7 +918,7 @@
     connect(this, SIGNAL(canScroll(bool)), m_scrollRightAction, SLOT(setEnabled(bool)));
     m_keyReference->registerShortcut(m_scrollRightAction);
     menu->addAction(m_scrollRightAction);
-	
+        
     action = new QAction(tr("&Jump Left"), this);
     action->setShortcut(tr("Ctrl+Left"));
     action->setStatusTip(tr("Scroll the current pane a big step to the left"));
@@ -926,7 +926,7 @@
     connect(this, SIGNAL(canScroll(bool)), action, SLOT(setEnabled(bool)));
     m_keyReference->registerShortcut(action);
     menu->addAction(action);
-	
+        
     action = new QAction(tr("J&ump Right"), this);
     action->setShortcut(tr("Ctrl+Right"));
     action->setStatusTip(tr("Scroll the current pane a big step to the right"));
@@ -942,7 +942,7 @@
     connect(this, SIGNAL(canScroll(bool)), action, SLOT(setEnabled(bool)));
     m_keyReference->registerShortcut(action);
     menu->addAction(action);
-	
+        
     action = new QAction(tr("Peek Right"), this);
     action->setShortcut(tr("Alt+Right"));
     action->setStatusTip(tr("Scroll the current pane to the right without moving the playback cursor or other panes"));
@@ -963,7 +963,7 @@
     connect(this, SIGNAL(canZoom(bool)), m_zoomInAction, SLOT(setEnabled(bool)));
     m_keyReference->registerShortcut(m_zoomInAction);
     menu->addAction(m_zoomInAction);
-	
+        
     m_zoomOutAction = new QAction(il.load("zoom-out"),
                                   tr("Zoom &Out"), this);
     m_zoomOutAction->setShortcut(tr("Down"));
@@ -972,7 +972,7 @@
     connect(this, SIGNAL(canZoom(bool)), m_zoomOutAction, SLOT(setEnabled(bool)));
     m_keyReference->registerShortcut(m_zoomOutAction);
     menu->addAction(m_zoomOutAction);
-	
+        
     action = new QAction(tr("Restore &Default Zoom"), this);
     action->setStatusTip(tr("Restore the zoom level to the default"));
     connect(action, SIGNAL(triggered()), this, SLOT(zoomDefault()));
@@ -1117,18 +1117,18 @@
 MainWindow::setupPaneAndLayerMenus()
 {
     if (m_paneMenu) {
-	m_paneActions.clear();
-	m_paneMenu->clear();
+        m_paneActions.clear();
+        m_paneMenu->clear();
     } else {
-	m_paneMenu = menuBar()->addMenu(tr("&Pane"));
+        m_paneMenu = menuBar()->addMenu(tr("&Pane"));
         m_paneMenu->setTearOffEnabled(true);
     }
 
     if (m_layerMenu) {
-	m_layerActions.clear();
-	m_layerMenu->clear();
+        m_layerActions.clear();
+        m_layerMenu->clear();
     } else {
-	m_layerMenu = menuBar()->addMenu(tr("&Layer"));
+        m_layerMenu = menuBar()->addMenu(tr("&Layer"));
         m_layerMenu->setTearOffEnabled(true);
     }
 
@@ -1162,33 +1162,33 @@
 //    menu->addSeparator();
 
     LayerFactory::LayerTypeSet emptyLayerTypes =
-	LayerFactory::getInstance()->getValidEmptyLayerTypes();
+        LayerFactory::getInstance()->getValidEmptyLayerTypes();
 
     for (LayerFactory::LayerTypeSet::iterator i = emptyLayerTypes.begin();
-	 i != emptyLayerTypes.end(); ++i) {
-	
-	QIcon icon;
-	QString mainText, tipText, channelText;
-	LayerFactory::LayerType type = *i;
-	QString name = LayerFactory::getInstance()->getLayerPresentationName(type);
-	
-	icon = il.load(LayerFactory::getInstance()->getLayerIconName(type));
-
-	mainText = tr("Add New %1 Layer").arg(name);
-	tipText = tr("Add a new empty layer of type %1").arg(name);
-
-	action = new QAction(icon, mainText, this);
-	action->setStatusTip(tipText);
-
-	if (type == LayerFactory::Text) {
-	    action->setShortcut(tr("T"));
+         i != emptyLayerTypes.end(); ++i) {
+        
+        QIcon icon;
+        QString mainText, tipText, channelText;
+        LayerFactory::LayerType type = *i;
+        QString name = LayerFactory::getInstance()->getLayerPresentationName(type);
+        
+        icon = il.load(LayerFactory::getInstance()->getLayerIconName(type));
+
+        mainText = tr("Add New %1 Layer").arg(name);
+        tipText = tr("Add a new empty layer of type %1").arg(name);
+
+        action = new QAction(icon, mainText, this);
+        action->setStatusTip(tipText);
+
+        if (type == LayerFactory::Text) {
+            action->setShortcut(tr("T"));
             m_keyReference->registerShortcut(action);
-	}
-
-	connect(action, SIGNAL(triggered()), this, SLOT(addLayer()));
-	connect(this, SIGNAL(canAddLayer(bool)), action, SLOT(setEnabled(bool)));
-	m_layerActions[action] = LayerConfiguration(type);
-	menu->addAction(action);
+        }
+
+        connect(action, SIGNAL(triggered()), this, SLOT(addLayer()));
+        connect(this, SIGNAL(canAddLayer(bool)), action, SLOT(setEnabled(bool)));
+        m_layerActions[action] = LayerConfiguration(type);
+        menu->addAction(action);
         m_rightButtonLayerMenu->addAction(action);
     }
     
@@ -1196,10 +1196,10 @@
     menu->addSeparator();
 
     LayerFactory::LayerType backgroundTypes[] = {
-	LayerFactory::Waveform,
-	LayerFactory::Spectrogram,
-	LayerFactory::MelodicRangeSpectrogram,
-	LayerFactory::PeakFrequencySpectrogram,
+        LayerFactory::Waveform,
+        LayerFactory::Spectrogram,
+        LayerFactory::MelodicRangeSpectrogram,
+        LayerFactory::PeakFrequencySpectrogram,
         LayerFactory::Spectrum
     };
 
@@ -1211,16 +1211,16 @@
     }
 
     for (unsigned int i = 0;
-	 i < sizeof(backgroundTypes)/sizeof(backgroundTypes[0]); ++i) {
+         i < sizeof(backgroundTypes)/sizeof(backgroundTypes[0]); ++i) {
 
         const int paneMenuType = 0, layerMenuType = 1;
 
-	for (int menuType = paneMenuType; menuType <= layerMenuType; ++menuType) {
-
-	    if (menuType == paneMenuType) menu = m_paneMenu;
-	    else menu = m_layerMenu;
-
-	    QMenu *submenu = 0;
+        for (int menuType = paneMenuType; menuType <= layerMenuType; ++menuType) {
+
+            if (menuType == paneMenuType) menu = m_paneMenu;
+            else menu = m_layerMenu;
+
+            QMenu *submenu = 0;
 
             QIcon icon;
             QString mainText, shortcutText, tipText, channelText;
@@ -1248,7 +1248,7 @@
                 }
                 mono = false;
                 break;
-		
+                
             case LayerFactory::Spectrogram:
                 icon = il.load("spectrogram");
                 mainText = tr("Add Spectro&gram");
@@ -1260,7 +1260,7 @@
                     tipText = tr("Add a new layer showing a spectrogram");
                 }
                 break;
-		
+                
             case LayerFactory::MelodicRangeSpectrogram:
                 icon = il.load("spectrogram");
                 mainText = tr("Add &Melodic Range Spectrogram");
@@ -1272,7 +1272,7 @@
                     tipText = tr("Add a new layer showing a spectrogram set up for an overview of note pitches");
                 }
                 break;
-		
+                
             case LayerFactory::PeakFrequencySpectrogram:
                 icon = il.load("spectrogram");
                 mainText = tr("Add Pea&k Frequency Spectrogram");
@@ -1421,9 +1421,9 @@
                         m_layerActions[action] = LayerConfiguration(type, 0, 0);
                         m_rightButtonLayerMenu->addAction(action);
                     }
-		}
-	    }
-	}
+                }
+            }
+        }
     }
 
     m_rightButtonLayerMenu->addSeparator();
@@ -1538,7 +1538,7 @@
         m_transformActionsReverse.clear();
         m_transformsMenu->clear();
     } else {
-	m_transformsMenu = menuBar()->addMenu(tr("&Transform")); 
+        m_transformsMenu = menuBar()->addMenu(tr("&Transform")); 
         m_transformsMenu->setTearOffEnabled(true);
         m_transformsMenu->setSeparatorsCollapsible(true);
     }
@@ -1671,9 +1671,9 @@
     }
 
     for (unsigned int i = 0; i < transforms.size(); ++i) {
-	
-	QString name = transforms[i].name;
-	if (name == "") name = transforms[i].identifier;
+        
+        QString name = transforms[i].name;
+        if (name == "") name = transforms[i].identifier;
 
 //        cerr << "Plugin Name: " << name << endl;
 
@@ -1700,11 +1700,11 @@
                 .arg(output);
         }
 
-	QAction *action = new QAction(tr("%1...").arg(name), this);
-	connect(action, SIGNAL(triggered()), this, SLOT(addLayer()));
-	m_transformActions[action] = transforms[i].identifier;
+        QAction *action = new QAction(tr("%1...").arg(name), this);
+        connect(action, SIGNAL(triggered()), this, SLOT(addLayer()));
+        m_transformActions[action] = transforms[i].identifier;
         m_transformActionsReverse[transforms[i].identifier] = action;
-	connect(this, SIGNAL(canAddLayer(bool)), action, SLOT(setEnabled(bool)));
+        connect(this, SIGNAL(canAddLayer(bool)), action, SLOT(setEnabled(bool)));
 
         action->setStatusTip(transforms[i].longDescription);
 
@@ -1838,7 +1838,7 @@
                  action->shortcut().toString(),
                  tr("Re-open the current or most recently opened file"));
         }
-	m_recentFilesMenu->addAction(action);
+        m_recentFilesMenu->addAction(action);
     }
 }
 
@@ -1916,7 +1916,7 @@
         } else {
             ti->second->setShortcut(QString(""));
         }
-	m_recentTransformsMenu->addAction(ti->second);
+        m_recentTransformsMenu->addAction(ti->second);
     }
 }
 
@@ -1943,49 +1943,49 @@
 
     for (int i = 0; i < m_paneStack->getPaneCount(); ++i) {
 
-	Pane *pane = m_paneStack->getPane(i);
-	if (!pane) continue;
-
-	for (int j = 0; j < pane->getLayerCount(); ++j) {
-
-	    Layer *layer = pane->getLayer(j);
-	    if (!layer) continue;
-	    if (observedLayers.find(layer) != observedLayers.end()) {
-//		cerr << "found duplicate layer " << layer << endl;
-		continue;
-	    }
-
-//	    cerr << "found new layer " << layer << " (name = " 
-//		      << layer->getLayerPresentationName() << ")" << endl;
-
-	    orderedLayers.push_back(layer);
-	    observedLayers.insert(layer);
+        Pane *pane = m_paneStack->getPane(i);
+        if (!pane) continue;
+
+        for (int j = 0; j < pane->getLayerCount(); ++j) {
+
+            Layer *layer = pane->getLayer(j);
+            if (!layer) continue;
+            if (observedLayers.find(layer) != observedLayers.end()) {
+//                cerr << "found duplicate layer " << layer << endl;
+                continue;
+            }
+
+//            cerr << "found new layer " << layer << " (name = " 
+//                      << layer->getLayerPresentationName() << ")" << endl;
+
+            orderedLayers.push_back(layer);
+            observedLayers.insert(layer);
 
             if (factory->isLayerSliceable(layer)) {
                 sliceableLayers.insert(layer);
             }
-	}
+        }
     }
 
     map<QString, int> observedNames;
 
     for (size_t i = 0; i < orderedLayers.size(); ++i) {
-	
+        
         Layer *layer = orderedLayers[i];
 
-	QString name = layer->getLayerPresentationName();
-	int n = ++observedNames[name];
-	if (n > 1) name = QString("%1 <%2>").arg(name).arg(n);
-
-	QIcon icon = il.load(factory->getLayerIconName
+        QString name = layer->getLayerPresentationName();
+        int n = ++observedNames[name];
+        if (n > 1) name = QString("%1 <%2>").arg(name).arg(n);
+
+        QIcon icon = il.load(factory->getLayerIconName
                              (factory->getLayerType(layer)));
 
-	QAction *action = new QAction(icon, name, this);
-	connect(action, SIGNAL(triggered()), this, SLOT(addLayer()));
-	connect(this, SIGNAL(canAddLayer(bool)), action, SLOT(setEnabled(bool)));
-	m_existingLayerActions[action] = layer;
-
-	m_existingLayersMenu->addAction(action);
+        QAction *action = new QAction(icon, name, this);
+        connect(action, SIGNAL(triggered()), this, SLOT(addLayer()));
+        connect(this, SIGNAL(canAddLayer(bool)), action, SLOT(setEnabled(bool)));
+        m_existingLayerActions[action] = layer;
+
+        m_existingLayersMenu->addAction(action);
 
         if (sliceableLayers.find(layer) != sliceableLayers.end()) {
             action = new QAction(icon, name, this);
@@ -2039,7 +2039,7 @@
     m_playAction->setStatusTip(tr("Start or stop playback from the current position"));
     connect(m_playAction, SIGNAL(triggered()), this, SLOT(play()));
     connect(m_playSource, SIGNAL(playStatusChanged(bool)),
-	    m_playAction, SLOT(setChecked(bool)));
+            m_playAction, SLOT(setChecked(bool)));
     connect(m_playSource, SIGNAL(playStatusChanged(bool)),
             this, SLOT(playStatusChanged(bool)));
     connect(this, SIGNAL(canPlay(bool)), m_playAction, SLOT(setEnabled(bool)));
@@ -2071,7 +2071,7 @@
     m_recordAction->setStatusTip(tr("Record a new audio file"));
     connect(m_recordAction, SIGNAL(triggered()), this, SLOT(record()));
     connect(m_recordTarget, SIGNAL(recordStatusChanged(bool)),
-	    m_recordAction, SLOT(setChecked(bool)));
+            m_recordAction, SLOT(setChecked(bool)));
     connect(this, SIGNAL(canRecord(bool)),
             m_recordAction, SLOT(setEnabled(bool)));
 
@@ -2234,7 +2234,7 @@
 
     m_keyReference->setCategory(tr("Tool Selection"));
     action = toolbar->addAction(il.load("select"),
-				tr("Select"));
+                                tr("Select"));
     action->setCheckable(true);
     action->setShortcut(tr("2"));
     action->setStatusTip(tr("Select ranges"));
@@ -2263,7 +2263,7 @@
 
     m_keyReference->setCategory(tr("Tool Selection"));
     action = toolbar->addAction(il.load("move"),
-				tr("Edit"));
+                                tr("Edit"));
     action->setCheckable(true);
     action->setShortcut(tr("3"));
     action->setStatusTip(tr("Edit items in layer"));
@@ -2284,7 +2284,7 @@
 
     m_keyReference->setCategory(tr("Tool Selection"));
     action = toolbar->addAction(il.load("draw"),
-				tr("Draw"));
+                                tr("Draw"));
     action->setCheckable(true);
     action->setShortcut(tr("4"));
     action->setStatusTip(tr("Draw new items in layer"));
@@ -2302,7 +2302,7 @@
 
     m_keyReference->setCategory(tr("Tool Selection"));
     action = toolbar->addAction(il.load("erase"),
-				tr("Erase"));
+                                tr("Erase"));
     action->setCheckable(true);
     action->setShortcut(tr("5"));
     action->setStatusTip(tr("Erase items from layer"));
@@ -2377,19 +2377,19 @@
         (haveCurrentPane &&
          (currentLayer != 0));
     bool havePlayTarget =
-	(m_playTarget != 0 || m_audioIO != 0);
+        (m_playTarget != 0 || m_audioIO != 0);
     bool haveSelection = 
-	(m_viewManager &&
-	 !m_viewManager->getSelections().empty());
+        (m_viewManager &&
+         !m_viewManager->getSelections().empty());
     bool haveCurrentEditableLayer =
-	(haveCurrentLayer &&
-	 currentLayer->isLayerEditable());
+        (haveCurrentLayer &&
+         currentLayer->isLayerEditable());
     bool haveCurrentTimeInstantsLayer = 
-	(haveCurrentLayer &&
-	 dynamic_cast<TimeInstantLayer *>(currentLayer));
+        (haveCurrentLayer &&
+         dynamic_cast<TimeInstantLayer *>(currentLayer));
     bool haveCurrentTimeValueLayer = 
-	(haveCurrentLayer &&
-	 dynamic_cast<TimeValueLayer *>(currentLayer));
+        (haveCurrentLayer &&
+         dynamic_cast<TimeValueLayer *>(currentLayer));
     
     bool alignMode = m_viewManager && m_viewManager->getAlignMode();
     emit canChangeSolo(havePlayTarget && !alignMode);
@@ -2435,8 +2435,8 @@
 MainWindow::updateDescriptionLabel()
 {
     if (!getMainModel()) {
-	m_descriptionLabel->setText(tr("No audio file loaded."));
-	return;
+        m_descriptionLabel->setText(tr("No audio file loaded."));
+        return;
     }
 
     QString description;
@@ -2448,15 +2448,15 @@
     if (m_playSource) tsr = m_playSource->getDeviceSampleRate();
 
     if (ssr != tsr) {
-	description = tr("%1Hz (resampling to %2Hz)").arg(ssr).arg(tsr);
+        description = tr("%1Hz (resampling to %2Hz)").arg(ssr).arg(tsr);
     } else {
-	description = QString("%1Hz").arg(ssr);
+        description = QString("%1Hz").arg(ssr);
     }
 
     description = QString("%1 - %2")
-	.arg(RealTime::frame2RealTime(getMainModel()->getEndFrame(), ssr)
-	     .toText(false).c_str())
-	.arg(description);
+        .arg(RealTime::frame2RealTime(getMainModel()->getEndFrame(), ssr)
+             .toText(false).c_str())
+        .arg(description);
 
     m_descriptionLabel->setText(description);
 }
@@ -2517,11 +2517,11 @@
     QString path = getOpenFileName(FileFinder::AudioFile);
 
     if (path != "") {
-	if (openAudio(path, ReplaceSession) == FileOpenFailed) {
+        if (openAudio(path, ReplaceSession) == FileOpenFailed) {
             emit hideSplash();
-	    QMessageBox::critical(this, tr("Failed to open file"),
-				  tr("<b>File open failed</b><p>Audio file \"%1\" could not be opened").arg(path));
-	}
+            QMessageBox::critical(this, tr("Failed to open file"),
+                                  tr("<b>File open failed</b><p>Audio file \"%1\" could not be opened").arg(path));
+        }
     }
 }
 
@@ -2531,11 +2531,11 @@
     QString path = getOpenFileName(FileFinder::AudioFile);
 
     if (path != "") {
-	if (openAudio(path, CreateAdditionalModel) == FileOpenFailed) {
+        if (openAudio(path, CreateAdditionalModel) == FileOpenFailed) {
             emit hideSplash();
-	    QMessageBox::critical(this, tr("Failed to open file"),
-				  tr("<b>File open failed</b><p>Audio file \"%1\" could not be opened").arg(path));
-	}
+            QMessageBox::critical(this, tr("Failed to open file"),
+                                  tr("<b>File open failed</b><p>Audio file \"%1\" could not be opened").arg(path));
+        }
     }
 }
 
@@ -2545,11 +2545,11 @@
     QString path = getOpenFileName(FileFinder::AudioFile);
 
     if (path != "") {
-	if (openAudio(path, ReplaceMainModel) == FileOpenFailed) {
+        if (openAudio(path, ReplaceMainModel) == FileOpenFailed) {
             emit hideSplash();
-	    QMessageBox::critical(this, tr("Failed to open file"),
-				  tr("<b>File open failed</b><p>Audio file \"%1\" could not be opened").arg(path));
-	}
+            QMessageBox::critical(this, tr("Failed to open file"),
+                                  tr("<b>File open failed</b><p>Audio file \"%1\" could not be opened").arg(path));
+        }
     }
 }
 
@@ -2649,19 +2649,19 @@
 
     if (selections.size() == 1) {
 
-	QStringList items;
-	items << tr("Export the selected region only")
-	      << tr("Export the whole audio file");
-	
-	bool ok = false;
-	QString item = ListInputDialog::getItem
-	    (this, tr("Select region to export"),
-	     tr("Which region from the original audio file do you want to export?"),
-	     items, 0, &ok);
-	
-	if (!ok || item.isEmpty()) return;
-	
-	if (item == items[0]) selectionToWrite = &ms;
+        QStringList items;
+        items << tr("Export the selected region only")
+              << tr("Export the whole audio file");
+        
+        bool ok = false;
+        QString item = ListInputDialog::getItem
+            (this, tr("Select region to export"),
+             tr("Which region from the original audio file do you want to export?"),
+             items, 0, &ok);
+        
+        if (!ok || item.isEmpty()) return;
+        
+        if (item == items[0]) selectionToWrite = &ms;
 
     } else if (selections.size() > 1) {
 
@@ -2676,7 +2676,7 @@
                 (this, tr("Select region to export"),
                  tr("Multiple regions of the original audio file are selected.\nWhat do you want to export?"),
                  items, 0, &ok);
-	    
+            
             if (!ok || item.isEmpty()) return;
             
             if (item == items[0]) {
@@ -2691,37 +2691,37 @@
 
         if (multiple) { // Can only happen when asData false
 
-	    int n = 1;
-	    QString base = path;
-	    base.replace(".wav", "");
-
-	    for (MultiSelection::SelectionList::iterator i = selections.begin();
-		 i != selections.end(); ++i) {
-
-		MultiSelection subms;
-		subms.setSelection(*i);
-
-		QString subpath = QString("%1.%2.wav").arg(base).arg(n);
-		++n;
-
-		if (QFileInfo(subpath).exists()) {
-		    error = tr("Fragment file %1 already exists, aborting").arg(subpath);
-		    break;
-		}
-
-		WavFileWriter subwriter(subpath,
+            int n = 1;
+            QString base = path;
+            base.replace(".wav", "");
+
+            for (MultiSelection::SelectionList::iterator i = selections.begin();
+                 i != selections.end(); ++i) {
+
+                MultiSelection subms;
+                subms.setSelection(*i);
+
+                QString subpath = QString("%1.%2.wav").arg(base).arg(n);
+                ++n;
+
+                if (QFileInfo(subpath).exists()) {
+                    error = tr("Fragment file %1 already exists, aborting").arg(subpath);
+                    break;
+                }
+
+                WavFileWriter subwriter(subpath,
                                         model->getSampleRate(),
                                         model->getChannelCount(),
                                         WavFileWriter::WriteToTemporary);
                 subwriter.writeModel(model, &subms);
-		ok = subwriter.isOK();
-
-		if (!ok) {
-		    error = subwriter.getError();
-		    break;
-		}
-	    }
-	}
+                ok = subwriter.isOK();
+
+                if (!ok) {
+                    error = subwriter.getError();
+                    break;
+                }
+            }
+        }
     }
 
     if (!multiple) {
@@ -2755,7 +2755,7 @@
             m_recentFiles.addFile(path);
         }
     } else {
-	QMessageBox::critical(this, tr("Failed to write file"), error);
+        QMessageBox::critical(this, tr("Failed to write file"), error);
     }
 }
 
@@ -2765,15 +2765,15 @@
     Pane *pane = m_paneStack->getCurrentPane();
     
     if (!pane) {
-	// shouldn't happen, as the menu action should have been disabled
-	cerr << "WARNING: MainWindow::importLayer: no current pane" << endl;
-	return;
+        // shouldn't happen, as the menu action should have been disabled
+        cerr << "WARNING: MainWindow::importLayer: no current pane" << endl;
+        return;
     }
 
     if (!getMainModel()) {
-	// shouldn't happen, as the menu action should have been disabled
-	cerr << "WARNING: MainWindow::importLayer: No main model -- hence no default sample rate available" << endl;
-	return;
+        // shouldn't happen, as the menu action should have been disabled
+        cerr << "WARNING: MainWindow::importLayer: No main model -- hence no default sample rate available" << endl;
+        return;
     }
 
     QString path = getOpenFileName(FileFinder::LayerFile);
@@ -2952,7 +2952,7 @@
     bool ok = lid->exec();
     QString item = lid->getCurrentString();
     delete lid;
-	    
+            
     if (!ok || item.isEmpty()) return;
 
     settings.setValue("lastimageexportregion", deflt);
@@ -3022,7 +3022,7 @@
     bool ok = lid->exec();
     QString item = lid->getCurrentString();
     delete lid;
-	    
+            
     if (!ok || item.isEmpty()) return;
 
     settings.setValue("lastsvgexportregion", deflt);
@@ -3071,8 +3071,8 @@
             this, SLOT(contextHelpChanged(const QString &)));
 
     if (!m_timeRulerLayer) {
-	m_timeRulerLayer = m_document->createMainModelLayer
-	    (LayerFactory::TimeRuler);
+        m_timeRulerLayer = m_document->createMainModelLayer
+            (LayerFactory::TimeRuler);
     }
 
     m_document->addLayerToView(pane, m_timeRulerLayer);
@@ -3104,29 +3104,29 @@
 
     while (m_paneStack->getPaneCount() > 0) {
 
-	Pane *pane = m_paneStack->getPane(m_paneStack->getPaneCount() - 1);
-
-	while (pane->getLayerCount() > 0) {
-	    m_document->removeLayerFromView
-		(pane, pane->getLayer(pane->getLayerCount() - 1));
-	}
-
-	m_overview->unregisterView(pane);
-	m_paneStack->deletePane(pane);
+        Pane *pane = m_paneStack->getPane(m_paneStack->getPaneCount() - 1);
+
+        while (pane->getLayerCount() > 0) {
+            m_document->removeLayerFromView
+                (pane, pane->getLayer(pane->getLayerCount() - 1));
+        }
+
+        m_overview->unregisterView(pane);
+        m_paneStack->deletePane(pane);
     }
 
     while (m_paneStack->getHiddenPaneCount() > 0) {
 
-	Pane *pane = m_paneStack->getHiddenPane
-	    (m_paneStack->getHiddenPaneCount() - 1);
-
-	while (pane->getLayerCount() > 0) {
-	    m_document->removeLayerFromView
-		(pane, pane->getLayer(pane->getLayerCount() - 1));
-	}
-
-	m_overview->unregisterView(pane);
-	m_paneStack->deletePane(pane);
+        Pane *pane = m_paneStack->getHiddenPane
+            (m_paneStack->getHiddenPaneCount() - 1);
+
+        while (pane->getLayerCount() > 0) {
+            m_document->removeLayerFromView
+                (pane, pane->getLayer(pane->getLayerCount() - 1));
+        }
+
+        m_overview->unregisterView(pane);
+        m_paneStack->deletePane(pane);
     }
 
     delete m_layerTreeDialog.data();
@@ -3214,9 +3214,9 @@
     QAction *action = dynamic_cast<QAction *>(obj);
     
     if (!action) {
-	cerr << "WARNING: MainWindow::openRecentFile: sender is not an action"
-		  << endl;
-	return;
+        cerr << "WARNING: MainWindow::openRecentFile: sender is not an action"
+                  << endl;
+        return;
     }
 
     QString path = action->text();
@@ -3245,9 +3245,9 @@
     QAction *action = qobject_cast<QAction *>(s);
 
     if (!action) {
-	cerr << "WARNING: MainWindow::applyTemplate: sender is not an action"
-		  << endl;
-	return;
+        cerr << "WARNING: MainWindow::applyTemplate: sender is not an action"
+                  << endl;
+        return;
     }
 
     QString n = action->objectName();
@@ -3403,14 +3403,14 @@
 
     if (m_openingAudioFile) {
 //        cerr << "Busy - ignoring close event" << endl;
-	e->ignore();
-	return;
+        e->ignore();
+        return;
     }
 
     if (!m_abandoning && !checkSaveModified()) {
 //        cerr << "Close refused by user - ignoring close event" << endl;
-	e->ignore();
-	return;
+        e->ignore();
+        return;
     }
 
     QSettings settings;
@@ -3499,22 +3499,22 @@
     emit hideSplash();
 
     int button = 
-	QMessageBox::warning(this,
-			     tr("Session modified"),
-			     tr("<b>Session modified</b><p>The current session has been modified.<br>Do you want to save it?"),
-			     QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel,
+        QMessageBox::warning(this,
+                             tr("Session modified"),
+                             tr("<b>Session modified</b><p>The current session has been modified.<br>Do you want to save it?"),
+                             QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel,
                              QMessageBox::Yes);
 
     if (button == QMessageBox::Yes) {
-	saveSession();
-	if (m_documentModified) { // save failed -- don't proceed!
-	    return false;
-	} else {
+        saveSession();
+        if (m_documentModified) { // save failed -- don't proceed!
+            return false;
+        } else {
             return true; // saved, so it's safe to continue now
         }
     } else if (button == QMessageBox::No) {
-	m_documentModified = false; // so we know to abandon it
-	return true;
+        m_documentModified = false; // so we know to abandon it
+        return true;
     }
 
     // else cancel
@@ -3561,15 +3561,15 @@
 MainWindow::saveSession()
 {
     if (m_sessionFile != "") {
-	if (!saveSessionFile(m_sessionFile)) {
-	    QMessageBox::critical(this, tr("Failed to save file"),
-				  tr("<b>Save failed</b><p>Session file \"%1\" could not be saved.").arg(m_sessionFile));
-	} else {
-	    CommandHistory::getInstance()->documentSaved();
-	    documentRestored();
-	}
+        if (!saveSessionFile(m_sessionFile)) {
+            QMessageBox::critical(this, tr("Failed to save file"),
+                                  tr("<b>Save failed</b><p>Session file \"%1\" could not be saved.").arg(m_sessionFile));
+        } else {
+            CommandHistory::getInstance()->documentSaved();
+            documentRestored();
+        }
     } else {
-	saveSessionAs();
+        saveSessionAs();
     }
 }
 
@@ -3585,15 +3585,15 @@
     if (path == "") return;
 
     if (!saveSessionFile(path)) {
-	QMessageBox::critical(this, tr("Failed to save file"),
-			      tr("<b>Save failed</b><p>Session file \"%1\" could not be saved.").arg(path));
+        QMessageBox::critical(this, tr("Failed to save file"),
+                              tr("<b>Save failed</b><p>Session file \"%1\" could not be saved.").arg(path));
     } else {
-	setWindowTitle(tr("%1: %2")
+        setWindowTitle(tr("%1: %2")
                        .arg(QApplication::applicationName())
-		       .arg(QFileInfo(path).fileName()));
-	m_sessionFile = path;
-	CommandHistory::getInstance()->documentSaved();
-	documentRestored();
+                       .arg(QFileInfo(path).fileName()));
+        m_sessionFile = path;
+        CommandHistory::getInstance()->documentSaved();
+        documentRestored();
         m_recentFiles.addFile(path);
         emit activity(tr("Save session as \"%1\"").arg(path));
     }
@@ -3653,22 +3653,22 @@
     cerr << "addPane: sender is " << s << ", action is " << action << ", name " << action->text() << endl;
     
     if (!action) {
-	cerr << "WARNING: MainWindow::addPane: sender is not an action"
-		  << endl;
-	return;
+        cerr << "WARNING: MainWindow::addPane: sender is not an action"
+                  << endl;
+        return;
     }
 
     PaneActionMap::iterator i = m_paneActions.find(action);
 
     if (i == m_paneActions.end()) {
-	cerr << "WARNING: MainWindow::addPane: unknown action "
-		  << action->objectName() << endl;
+        cerr << "WARNING: MainWindow::addPane: unknown action "
+                  << action->objectName() << endl;
         cerr << "known actions are:" << endl;
         for (PaneActionMap::const_iterator i = m_paneActions.begin();
              i != m_paneActions.end(); ++i) {
             cerr << i->first << ", name " << i->first->text() << endl;
         }
-	return;
+        return;
     }
 
     addPane(i->second, action->text());
@@ -3693,15 +3693,15 @@
     if (configuration.layer != LayerFactory::TimeRuler &&
         configuration.layer != LayerFactory::Spectrum) {
 
-	if (!m_timeRulerLayer) {
-//	    cerr << "no time ruler layer, creating one" << endl;
-	    m_timeRulerLayer = m_document->createMainModelLayer
-		(LayerFactory::TimeRuler);
-	}
-
-//	SVDEBUG << "adding time ruler layer " << m_timeRulerLayer << endl;
-
-	m_document->addLayerToView(pane, m_timeRulerLayer);
+        if (!m_timeRulerLayer) {
+//            cerr << "no time ruler layer, creating one" << endl;
+            m_timeRulerLayer = m_document->createMainModelLayer
+                (LayerFactory::TimeRuler);
+        }
+
+//        SVDEBUG << "adding time ruler layer " << m_timeRulerLayer << endl;
+
+        m_document->addLayerToView(pane, m_timeRulerLayer);
     }
 
     Layer *newLayer = m_document->createLayer(configuration.layer);
@@ -3755,25 +3755,25 @@
     QAction *action = dynamic_cast<QAction *>(s);
     
     if (!action) {
-	cerr << "WARNING: MainWindow::addLayer: sender is not an action"
-		  << endl;
-	return;
+        cerr << "WARNING: MainWindow::addLayer: sender is not an action"
+                  << endl;
+        return;
     }
 
     Pane *pane = m_paneStack->getCurrentPane();
     
     if (!pane) {
-	cerr << "WARNING: MainWindow::addLayer: no current pane" << endl;
-	return;
+        cerr << "WARNING: MainWindow::addLayer: no current pane" << endl;
+        return;
     }
 
     ExistingLayerActionMap::iterator ei = m_existingLayerActions.find(action);
 
     if (ei != m_existingLayerActions.end()) {
-	Layer *newLayer = ei->second;
-	m_document->addLayerToView(pane, newLayer);
-	m_paneStack->setCurrentLayer(pane, newLayer);
-	return;
+        Layer *newLayer = ei->second;
+        m_document->addLayerToView(pane, newLayer);
+        m_paneStack->setCurrentLayer(pane, newLayer);
+        return;
     }
 
     ei = m_sliceActions.find(action);
@@ -3791,38 +3791,38 @@
             connect(m_document, SIGNAL(modelAboutToBeDeleted(Model *)),
                     dest, SLOT(modelAboutToBeDeleted(Model *)));
         }
-	m_document->addLayerToView(pane, newLayer);
-	m_paneStack->setCurrentLayer(pane, newLayer);
-	return;
+        m_document->addLayerToView(pane, newLayer);
+        m_paneStack->setCurrentLayer(pane, newLayer);
+        return;
     }
 
     TransformActionMap::iterator i = m_transformActions.find(action);
 
     if (i == m_transformActions.end()) {
 
-	LayerActionMap::iterator i = m_layerActions.find(action);
-	
-	if (i == m_layerActions.end()) {
-	    cerr << "WARNING: MainWindow::addLayer: unknown action "
-		      << action->objectName() << endl;
-	    return;
-	}
-
-	LayerFactory::LayerType type = i->second.layer;
-	
-	LayerFactory::LayerTypeSet emptyTypes =
-	    LayerFactory::getInstance()->getValidEmptyLayerTypes();
-
-	Layer *newLayer = 0;
-
-	if (emptyTypes.find(type) != emptyTypes.end()) {
-
-	    newLayer = m_document->createEmptyLayer(type);
+        LayerActionMap::iterator i = m_layerActions.find(action);
+        
+        if (i == m_layerActions.end()) {
+            cerr << "WARNING: MainWindow::addLayer: unknown action "
+                      << action->objectName() << endl;
+            return;
+        }
+
+        LayerFactory::LayerType type = i->second.layer;
+        
+        LayerFactory::LayerTypeSet emptyTypes =
+            LayerFactory::getInstance()->getValidEmptyLayerTypes();
+
+        Layer *newLayer = 0;
+
+        if (emptyTypes.find(type) != emptyTypes.end()) {
+
+            newLayer = m_document->createEmptyLayer(type);
             if (newLayer) {
                 m_toolActions[ViewManager::DrawMode]->trigger();
             }
 
-	} else {
+        } else {
 
             Model *model = i->second.sourceModel;
 
@@ -3867,7 +3867,7 @@
             m_paneStack->setCurrentLayer(pane, newLayer);
         }
 
-	return;
+        return;
     }
 
     //!!! want to do something like this, but it's not supported in
@@ -3876,11 +3876,11 @@
     int channel = -1;
     // pick up the default channel from any existing layers on the same pane
     for (int j = 0; j < pane->getLayerCount(); ++j) {
-	int c = LayerFactory::getInstance()->getChannel(pane->getLayer(j));
-	if (c != -1) {
-	    channel = c;
-	    break;
-	}
+        int c = LayerFactory::getInstance()->getChannel(pane->getLayer(j));
+        if (c != -1) {
+            channel = c;
+            break;
+        }
     }
     */
 
@@ -3898,8 +3898,8 @@
 {
     Pane *pane = m_paneStack->getCurrentPane();
     if (!pane) {
-	cerr << "WARNING: MainWindow::addLayer: no current pane" << endl;
-	return;
+        cerr << "WARNING: MainWindow::addLayer: no current pane" << endl;
+        return;
     }
 
     Transform transform;
@@ -4016,18 +4016,18 @@
 {
     Pane *pane = m_paneStack->getCurrentPane();
     if (pane) {
-	Layer *layer = pane->getSelectedLayer();
-	if (layer) {
-	    bool ok = false;
-	    QString newName = QInputDialog::getText
-		(this, tr("Rename Layer"),
-		 tr("New name for this layer:"),
-		 QLineEdit::Normal, layer->objectName(), &ok);
-	    if (ok) {
-		layer->setPresentationName(newName);
-		setupExistingLayersMenus();
-	    }
-	}
+        Layer *layer = pane->getSelectedLayer();
+        if (layer) {
+            bool ok = false;
+            QString newName = QInputDialog::getText
+                (this, tr("Rename Layer"),
+                 tr("New name for this layer:"),
+                 QLineEdit::Normal, layer->objectName(), &ok);
+            if (ok) {
+                layer->setPresentationName(newName);
+                setupExistingLayersMenus();
+            }
+        }
     }
 }
 
@@ -4062,9 +4062,9 @@
     if (!m_viewManager) return;
 
     if (action) {
-	m_viewManager->setAlignMode(action->isChecked());
+        m_viewManager->setAlignMode(action->isChecked());
     } else {
-	m_viewManager->setAlignMode(!m_viewManager->getAlignMode());
+        m_viewManager->setAlignMode(!m_viewManager->getAlignMode());
     }
 
     if (m_viewManager->getAlignMode()) {
@@ -4090,8 +4090,8 @@
 
     for (int i = 0; i < m_paneStack->getPaneCount(); ++i) {
 
-	Pane *pane = m_paneStack->getPane(i);
-	if (!pane) continue;
+        Pane *pane = m_paneStack->getPane(i);
+        if (!pane) continue;
 
         pane->update();
     }
diff -r 128c4544036d -r 436156b8a448 main/MainWindow.h
--- a/main/MainWindow.h	Fri Mar 09 09:00:48 2018 +0000
+++ b/main/MainWindow.h	Fri Mar 09 09:00:54 2018 +0000
@@ -236,14 +236,14 @@
     QString                  m_newerVersionIs;
 
     struct LayerConfiguration {
-	LayerConfiguration(LayerFactory::LayerType _layer
-			                       = LayerFactory::TimeRuler,
+        LayerConfiguration(LayerFactory::LayerType _layer
+                                               = LayerFactory::TimeRuler,
                            Model *_source = 0,
                            int _channel = -1) :
-	    layer(_layer), sourceModel(_source), channel(_channel) { }
-	LayerFactory::LayerType layer;
+            layer(_layer), sourceModel(_source), channel(_channel) { }
+        LayerFactory::LayerType layer;
         Model *sourceModel;
-	int channel;
+        int channel;
     };
 
     typedef std::map<QAction *, LayerConfiguration> PaneActionMap;
diff -r 128c4544036d -r 436156b8a448 main/NetworkPermissionTester.cpp
--- a/main/NetworkPermissionTester.cpp	Fri Mar 09 09:00:48 2018 +0000
+++ b/main/NetworkPermissionTester.cpp	Fri Mar 09 09:00:54 2018 +0000
@@ -45,10 +45,10 @@
         SVDEBUG << "NetworkPermissionTester: Asking for permission" << endl;
 
     QDialog d;
-	d.setWindowTitle(QCoreApplication::translate("NetworkPermissionTester", "Welcome to Sonic Visualiser"));
+        d.setWindowTitle(QCoreApplication::translate("NetworkPermissionTester", "Welcome to Sonic Visualiser"));
 
-	QGridLayout *layout = new QGridLayout;
-	d.setLayout(layout);
+        QGridLayout *layout = new QGridLayout;
+        d.setLayout(layout);
 
         QString preamble;
         preamble = QCoreApplication::translate
@@ -84,23 +84,23 @@
              "<p><b>No personal information will be sent, no tracking is carried out, and no individual information will be shared with anyone else.</b> We will however make aggregate counts of distinct requests for usage reporting.</p>"
              "<p>We recommend that you allow this, because it makes Sonic Visualiser more useful to you and supports the public funding of this work. But if you do not wish to allow it, please un-check the box below.<br></p>");
         
-	QLabel *label = new QLabel;
-	label->setWordWrap(true);
-	label->setText(preamble + bullets + postamble);
-	layout->addWidget(label, 0, 0);
+        QLabel *label = new QLabel;
+        label->setWordWrap(true);
+        label->setText(preamble + bullets + postamble);
+        layout->addWidget(label, 0, 0);
 
-	QCheckBox *cb = new QCheckBox(QCoreApplication::translate("NetworkPermissionTester", "Allow this"));
-	cb->setChecked(true);
-	layout->addWidget(cb, 1, 0);
-	
-	QDialogButtonBox *bb = new QDialogButtonBox(QDialogButtonBox::Ok);
-	QObject::connect(bb, SIGNAL(accepted()), &d, SLOT(accept()));
-	layout->addWidget(bb, 2, 0);
-	
-	d.exec();
+        QCheckBox *cb = new QCheckBox(QCoreApplication::translate("NetworkPermissionTester", "Allow this"));
+        cb->setChecked(true);
+        layout->addWidget(cb, 1, 0);
+        
+        QDialogButtonBox *bb = new QDialogButtonBox(QDialogButtonBox::Ok);
+        QObject::connect(bb, SIGNAL(accepted()), &d, SLOT(accept()));
+        layout->addWidget(bb, 2, 0);
+        
+        d.exec();
 
         permish = cb->isChecked();
-	settings.setValue(tag, permish);
+        settings.setValue(tag, permish);
 
         SVDEBUG << "NetworkPermissionTester: asked, answer was " << permish << endl;
     }
diff -r 128c4544036d -r 436156b8a448 main/OSCHandler.cpp
--- a/main/OSCHandler.cpp	Fri Mar 09 09:00:48 2018 +0000
+++ b/main/OSCHandler.cpp	Fri Mar 09 09:00:54 2018 +0000
@@ -576,9 +576,9 @@
 
             TransformId transformId = message.getArg(0).toString();
 
-	    Transform transform = TransformFactory::getInstance()->
+            Transform transform = TransformFactory::getInstance()->
                 getDefaultTransformFor(transformId);
-	    
+            
             Layer *newLayer = m_document->createDerivedLayer
                 (transform, getMainModel());
 
diff -r 128c4544036d -r 436156b8a448 main/PreferencesDialog.cpp
--- a/main/PreferencesDialog.cpp	Fri Mar 09 09:00:48 2018 +0000
+++ b/main/PreferencesDialog.cpp	Fri Mar 09 09:00:54 2018 +0000
@@ -154,7 +154,7 @@
             settings.value("overview-colour", m_overviewColour.name())
             .toString();
         m_overviewColour.setNamedColor(qcolorName);
-        cerr << "loaded colour " << m_overviewColour.name() << " from settings" << endl;
+        SVCERR << "loaded colour " << m_overviewColour.name() << " from settings" << endl;
     }
     settings.endGroup();
 
@@ -171,7 +171,7 @@
     ColourComboBox *overviewColour = new ColourComboBox(false);
     int overviewColourIndex =
         ColourDatabase::getInstance()->getColourIndex(m_overviewColour);
-    cerr << "index = " << overviewColourIndex << " for colour " << m_overviewColour.name() << endl;
+    SVCERR << "index = " << overviewColourIndex << " for colour " << m_overviewColour.name() << endl;
     if (overviewColourIndex >= 0) {
         overviewColour->setCurrentIndex(overviewColourIndex);
     }
@@ -328,7 +328,7 @@
         QString f0 = f;
         f.replace("sonic-visualiser_", "").replace(".qm", "");
         if (f == f0) { // our expectations about filename format were not met
-            cerr << "INFO: Unexpected filename " << f << " in i18n resource directory" << endl;
+            SVCERR << "INFO: Unexpected filename " << f << " in i18n resource directory" << endl;
         } else {
             m_locales.push_back(f);
             QString displayText;
diff -r 128c4544036d -r 436156b8a448 main/SVSplash.cpp
--- a/main/SVSplash.cpp	Fri Mar 09 09:00:48 2018 +0000
+++ b/main/SVSplash.cpp	Fri Mar 09 09:00:54 2018 +0000
@@ -42,37 +42,37 @@
 
     if (widthMultiple > 2.5 || dpratio > 1.0) {
 
-	// Hi-dpi either via pixel doubling or simply via lots of
-	// pixels
+        // Hi-dpi either via pixel doubling or simply via lots of
+        // pixels
 
-	double factor = widthMultiple / 2.5;
-	if (factor < 1.0) factor = 1.0;
-	sw = int(floor(w * factor));
-	sh = int(floor(h * factor));
+        double factor = widthMultiple / 2.5;
+        if (factor < 1.0) factor = 1.0;
+        sw = int(floor(w * factor));
+        sh = int(floor(h * factor));
 
-	delete p1;
-	m_pixmap = new QPixmap(int(floor(sw * dpratio)),
-			       int(floor(sh * dpratio)));
+        delete p1;
+        m_pixmap = new QPixmap(int(floor(sw * dpratio)),
+                               int(floor(sh * dpratio)));
 
-//	cerr << "pixmap size = " << m_pixmap->width() << " * "
-//	     << m_pixmap->height() << endl;
-	
-	m_pixmap->fill(Qt::red);
-	QSvgRenderer renderer(QString(":icons/scalable/sv-splash.svg"));
-	QPainter painter(m_pixmap);
-	renderer.render(&painter);
-	painter.end();
+//        cerr << "pixmap size = " << m_pixmap->width() << " * "
+//             << m_pixmap->height() << endl;
+        
+        m_pixmap->fill(Qt::red);
+        QSvgRenderer renderer(QString(":icons/scalable/sv-splash.svg"));
+        QPainter painter(m_pixmap);
+        renderer.render(&painter);
+        painter.end();
 
     } else {
-	// The "low dpi" case
-	m_pixmap = p1;
+        // The "low dpi" case
+        m_pixmap = p1;
     }
     
     setFixedWidth(sw);
     setFixedHeight(sh);
     setGeometry(desk.x() + desk.width()/2 - sw/2,
-		desk.y() + desk.height()/2 - sh/2,
-		sw, sh);
+                desk.y() + desk.height()/2 - sh/2,
+                sw, sh);
 }
 
 SVSplash::~SVSplash()
@@ -92,9 +92,9 @@
     painter->drawPixmap(rect(), *m_pixmap, m_pixmap->rect());
     QString text = QString("v%1").arg(SV_VERSION);
     painter->drawText
-	(width() - painter->fontMetrics().width(text) - (width()/50),
-	 (width()/70) + painter->fontMetrics().ascent(),
-	 text);
+        (width() - painter->fontMetrics().width(text) - (width()/50),
+         (width()/70) + painter->fontMetrics().ascent(),
+         text);
 }
 
 
diff -r 128c4544036d -r 436156b8a448 vext-lock.json
--- a/vext-lock.json	Fri Mar 09 09:00:48 2018 +0000
+++ b/vext-lock.json	Fri Mar 09 09:00:54 2018 +0000
@@ -4,13 +4,13 @@
       "pin": "8742125177ae"
     },
     "svcore": {
-      "pin": "622d193a00dc"
+      "pin": "48e9f538e6e9"
     },
     "svgui": {
-      "pin": "5f68f5c74904"
+      "pin": "a34a2a25907c"
     },
     "svapp": {
-      "pin": "72b4870f0e6b"
+      "pin": "b23bebfdfaba"
     },
     "checker": {
       "pin": "cf18645ff411"