Chris@45: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@45: 
Chris@45: /*
Chris@45:     Sonic Visualiser
Chris@45:     An audio file viewer and annotation editor.
Chris@45:     Centre for Digital Music, Queen Mary, University of London.
Chris@45:     This file copyright 2006-2007 Chris Cannam and QMUL.
Chris@45:     
Chris@45:     This program is free software; you can redistribute it and/or
Chris@45:     modify it under the terms of the GNU General Public License as
Chris@45:     published by the Free Software Foundation; either version 2 of the
Chris@45:     License, or (at your option) any later version.  See the file
Chris@45:     COPYING included with this distribution for more information.
Chris@45: */
Chris@45: 
Chris@45: #include "MainWindowBase.h"
Chris@46: #include "Document.h"
Chris@45: 
Chris@45: 
Chris@45: #include "view/Pane.h"
Chris@45: #include "view/PaneStack.h"
Chris@45: #include "data/model/WaveFileModel.h"
Chris@45: #include "data/model/SparseOneDimensionalModel.h"
Chris@45: #include "data/model/NoteModel.h"
Chris@45: #include "data/model/Labeller.h"
Chris@45: #include "view/ViewManager.h"
Chris@45: 
Chris@45: #include "layer/WaveformLayer.h"
Chris@45: #include "layer/TimeRulerLayer.h"
Chris@45: #include "layer/TimeInstantLayer.h"
Chris@45: #include "layer/TimeValueLayer.h"
Chris@45: #include "layer/Colour3DPlotLayer.h"
Chris@45: #include "layer/SliceLayer.h"
Chris@45: #include "layer/SliceableLayer.h"
Chris@45: #include "layer/ImageLayer.h"
Chris@45: 
Chris@45: #include "widgets/ListInputDialog.h"
Chris@45: 
Chris@45: #include "audioio/AudioCallbackPlaySource.h"
Chris@45: #include "audioio/AudioCallbackPlayTarget.h"
Chris@45: #include "audioio/AudioTargetFactory.h"
Chris@45: #include "audioio/PlaySpeedRangeMapper.h"
Chris@45: #include "data/fileio/DataFileReaderFactory.h"
Chris@45: #include "data/fileio/PlaylistFileReader.h"
Chris@45: #include "data/fileio/WavFileWriter.h"
Chris@45: #include "data/fileio/CSVFileWriter.h"
Chris@45: #include "data/fileio/MIDIFileWriter.h"
Chris@45: #include "data/fileio/BZipFileDevice.h"
Chris@45: #include "data/fileio/FileSource.h"
Chris@45: 
Chris@45: #include "data/fft/FFTDataServer.h"
Chris@45: 
Chris@45: #include "base/RecentFiles.h"
Chris@45: 
Chris@45: #include "base/PlayParameterRepository.h"
Chris@45: #include "base/XmlExportable.h"
Chris@45: #include "base/CommandHistory.h"
Chris@45: #include "base/Profiler.h"
Chris@45: #include "base/Preferences.h"
Chris@45: 
Chris@45: #include "data/osc/OSCQueue.h"
Chris@45: 
Chris@45: #include <QApplication>
Chris@45: #include <QMessageBox>
Chris@45: #include <QGridLayout>
Chris@45: #include <QLabel>
Chris@45: #include <QAction>
Chris@45: #include <QMenuBar>
Chris@45: #include <QToolBar>
Chris@45: #include <QInputDialog>
Chris@45: #include <QStatusBar>
Chris@45: #include <QTreeView>
Chris@45: #include <QFile>
Chris@45: #include <QFileInfo>
Chris@45: #include <QDir>
Chris@45: #include <QTextStream>
Chris@45: #include <QProcess>
Chris@45: #include <QShortcut>
Chris@45: #include <QSettings>
Chris@45: #include <QDateTime>
Chris@45: #include <QProcess>
Chris@45: #include <QCheckBox>
Chris@45: #include <QRegExp>
Chris@45: #include <QScrollArea>
Chris@45: 
Chris@45: #include <iostream>
Chris@45: #include <cstdio>
Chris@45: #include <errno.h>
Chris@45: 
Chris@45: using std::cerr;
Chris@45: using std::endl;
Chris@45: 
Chris@45: using std::vector;
Chris@45: using std::map;
Chris@45: using std::set;
Chris@45: 
Chris@45: 
Chris@45: MainWindowBase::MainWindowBase(bool withAudioOutput, bool withOSCSupport) :
Chris@45:     m_document(0),
Chris@45:     m_paneStack(0),
Chris@45:     m_viewManager(0),
Chris@45:     m_timeRulerLayer(0),
Chris@45:     m_audioOutput(withAudioOutput),
Chris@45:     m_playSource(0),
Chris@45:     m_playTarget(0),
Chris@45:     m_oscQueue(withOSCSupport ? new OSCQueue() : 0),
Chris@45:     m_recentFiles("RecentFiles", 20),
Chris@54:     m_recentTransforms("RecentTransforms", 20),
Chris@45:     m_documentModified(false),
Chris@45:     m_openingAudioFile(false),
Chris@45:     m_abandoning(false),
Chris@45:     m_labeller(0)
Chris@45: {
Chris@45:     connect(CommandHistory::getInstance(), SIGNAL(commandExecuted()),
Chris@45: 	    this, SLOT(documentModified()));
Chris@45:     connect(CommandHistory::getInstance(), SIGNAL(documentRestored()),
Chris@45: 	    this, SLOT(documentRestored()));
Chris@45:     
Chris@45:     m_viewManager = new ViewManager();
Chris@45:     connect(m_viewManager, SIGNAL(selectionChanged()),
Chris@45: 	    this, SLOT(updateMenuStates()));
Chris@45:     connect(m_viewManager, SIGNAL(inProgressSelectionChanged()),
Chris@45: 	    this, SLOT(inProgressSelectionChanged()));
Chris@45: 
Chris@45:     Preferences::BackgroundMode mode =
Chris@45:         Preferences::getInstance()->getBackgroundMode();
Chris@45:     m_initialDarkBackground = m_viewManager->getGlobalDarkBackground();
Chris@45:     if (mode != Preferences::BackgroundFromTheme) {
Chris@45:         m_viewManager->setGlobalDarkBackground
Chris@45:             (mode == Preferences::DarkBackground);
Chris@45:     }
Chris@45: 
Chris@45:     m_paneStack = new PaneStack(0, m_viewManager);
Chris@45:     connect(m_paneStack, SIGNAL(currentPaneChanged(Pane *)),
Chris@45: 	    this, SLOT(currentPaneChanged(Pane *)));
Chris@45:     connect(m_paneStack, SIGNAL(currentLayerChanged(Pane *, Layer *)),
Chris@45: 	    this, SLOT(currentLayerChanged(Pane *, Layer *)));
Chris@45:     connect(m_paneStack, SIGNAL(rightButtonMenuRequested(Pane *, QPoint)),
Chris@45:             this, SLOT(rightButtonMenuRequested(Pane *, QPoint)));
Chris@45:     connect(m_paneStack, SIGNAL(contextHelpChanged(const QString &)),
Chris@45:             this, SLOT(contextHelpChanged(const QString &)));
Chris@45:     connect(m_paneStack, SIGNAL(paneAdded(Pane *)),
Chris@45:             this, SLOT(paneAdded(Pane *)));
Chris@45:     connect(m_paneStack, SIGNAL(paneHidden(Pane *)),
Chris@45:             this, SLOT(paneHidden(Pane *)));
Chris@45:     connect(m_paneStack, SIGNAL(paneAboutToBeDeleted(Pane *)),
Chris@45:             this, SLOT(paneAboutToBeDeleted(Pane *)));
Chris@45:     connect(m_paneStack, SIGNAL(dropAccepted(Pane *, QStringList)),
Chris@45:             this, SLOT(paneDropAccepted(Pane *, QStringList)));
Chris@45:     connect(m_paneStack, SIGNAL(dropAccepted(Pane *, QString)),
Chris@45:             this, SLOT(paneDropAccepted(Pane *, QString)));
Chris@55:     connect(m_paneStack, SIGNAL(paneDeleteButtonClicked(Pane *)),
Chris@55:             this, SLOT(paneDeleteButtonClicked(Pane *)));
Chris@45: 
Chris@57:     m_playSource = new AudioCallbackPlaySource(m_viewManager,
Chris@57:                                                QApplication::applicationName());
Chris@45: 
Chris@45:     connect(m_playSource, SIGNAL(sampleRateMismatch(size_t, size_t, bool)),
Chris@45: 	    this,           SLOT(sampleRateMismatch(size_t, size_t, bool)));
Chris@45:     connect(m_playSource, SIGNAL(audioOverloadPluginDisabled()),
Chris@45:             this,           SLOT(audioOverloadPluginDisabled()));
Chris@45: 
Chris@45:     connect(m_viewManager, SIGNAL(outputLevelsChanged(float, float)),
Chris@45: 	    this, SLOT(outputLevelsChanged(float, float)));
Chris@45: 
Chris@45:     connect(m_viewManager, SIGNAL(playbackFrameChanged(unsigned long)),
Chris@45:             this, SLOT(playbackFrameChanged(unsigned long)));
Chris@45: 
Chris@45:     connect(m_viewManager, SIGNAL(globalCentreFrameChanged(unsigned long)),
Chris@45:             this, SLOT(globalCentreFrameChanged(unsigned long)));
Chris@45: 
Chris@45:     connect(m_viewManager, SIGNAL(viewCentreFrameChanged(View *, unsigned long)),
Chris@45:             this, SLOT(viewCentreFrameChanged(View *, unsigned long)));
Chris@45: 
Chris@45:     connect(m_viewManager, SIGNAL(viewZoomLevelChanged(View *, unsigned long, bool)),
Chris@45:             this, SLOT(viewZoomLevelChanged(View *, unsigned long, bool)));
Chris@45: 
Chris@45:     connect(Preferences::getInstance(),
Chris@45:             SIGNAL(propertyChanged(PropertyContainer::PropertyName)),
Chris@45:             this,
Chris@45:             SLOT(preferenceChanged(PropertyContainer::PropertyName)));
Chris@45: 
Chris@45:     if (m_oscQueue && m_oscQueue->isOK()) {
Chris@45:         connect(m_oscQueue, SIGNAL(messagesAvailable()), this, SLOT(pollOSC()));
Chris@45:         QTimer *oscTimer = new QTimer(this);
Chris@45:         connect(oscTimer, SIGNAL(timeout()), this, SLOT(pollOSC()));
Chris@45:         oscTimer->start(1000);
Chris@45:     }
Chris@45: 
Chris@45:     Labeller::ValueType labellerType = Labeller::ValueFromTwoLevelCounter;
Chris@45:     QSettings settings;
Chris@45:     settings.beginGroup("MainWindow");
Chris@45:     labellerType = (Labeller::ValueType)
Chris@45:         settings.value("labellertype", (int)labellerType).toInt();
Chris@45:     int cycle = settings.value("labellercycle", 4).toInt();
Chris@45:     settings.endGroup();
Chris@45: 
Chris@45:     m_labeller = new Labeller(labellerType);
Chris@45:     m_labeller->setCounterCycleSize(cycle);
Chris@45: }
Chris@45: 
Chris@45: MainWindowBase::~MainWindowBase()
Chris@45: {
Chris@71:     if (m_playTarget) m_playTarget->shutdown();
Chris@71: //    delete m_playTarget;
Chris@45:     delete m_playSource;
Chris@45:     delete m_viewManager;
Chris@45:     delete m_oscQueue;
Chris@45:     Profiles::getInstance()->dump();
Chris@45: }
Chris@45: 
Chris@45: QString
Chris@45: MainWindowBase::getOpenFileName(FileFinder::FileType type)
Chris@45: {
Chris@45:     FileFinder *ff = FileFinder::getInstance();
Chris@45:     switch (type) {
Chris@45:     case FileFinder::SessionFile:
Chris@45:         return ff->getOpenFileName(type, m_sessionFile);
Chris@45:     case FileFinder::AudioFile:
Chris@45:         return ff->getOpenFileName(type, m_audioFile);
Chris@45:     case FileFinder::LayerFile:
Chris@45:         return ff->getOpenFileName(type, m_sessionFile);
Chris@45:     case FileFinder::LayerFileNoMidi:
Chris@45:         return ff->getOpenFileName(type, m_sessionFile);
Chris@45:     case FileFinder::SessionOrAudioFile:
Chris@45:         return ff->getOpenFileName(type, m_sessionFile);
Chris@45:     case FileFinder::ImageFile:
Chris@45:         return ff->getOpenFileName(type, m_sessionFile);
Chris@45:     case FileFinder::AnyFile:
Chris@45:         if (getMainModel() != 0 &&
Chris@45:             m_paneStack != 0 &&
Chris@45:             m_paneStack->getCurrentPane() != 0) { // can import a layer
Chris@45:             return ff->getOpenFileName(FileFinder::AnyFile, m_sessionFile);
Chris@45:         } else {
Chris@45:             return ff->getOpenFileName(FileFinder::SessionOrAudioFile,
Chris@45:                                        m_sessionFile);
Chris@45:         }
Chris@45:     }
Chris@45:     return "";
Chris@45: }
Chris@45: 
Chris@45: QString
Chris@45: MainWindowBase::getSaveFileName(FileFinder::FileType type)
Chris@45: {
Chris@45:     FileFinder *ff = FileFinder::getInstance();
Chris@45:     switch (type) {
Chris@45:     case FileFinder::SessionFile:
Chris@45:         return ff->getSaveFileName(type, m_sessionFile);
Chris@45:     case FileFinder::AudioFile:
Chris@45:         return ff->getSaveFileName(type, m_audioFile);
Chris@45:     case FileFinder::LayerFile:
Chris@45:         return ff->getSaveFileName(type, m_sessionFile);
Chris@45:     case FileFinder::LayerFileNoMidi:
Chris@45:         return ff->getSaveFileName(type, m_sessionFile);
Chris@45:     case FileFinder::SessionOrAudioFile:
Chris@45:         return ff->getSaveFileName(type, m_sessionFile);
Chris@45:     case FileFinder::ImageFile:
Chris@45:         return ff->getSaveFileName(type, m_sessionFile);
Chris@45:     case FileFinder::AnyFile:
Chris@45:         return ff->getSaveFileName(type, m_sessionFile);
Chris@45:     }
Chris@45:     return "";
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::registerLastOpenedFilePath(FileFinder::FileType type, QString path)
Chris@45: {
Chris@45:     FileFinder *ff = FileFinder::getInstance();
Chris@45:     ff->registerLastOpenedFilePath(type, path);
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::updateMenuStates()
Chris@45: {
Chris@45:     Pane *currentPane = 0;
Chris@45:     Layer *currentLayer = 0;
Chris@45: 
Chris@45:     if (m_paneStack) currentPane = m_paneStack->getCurrentPane();
Chris@45:     if (currentPane) currentLayer = currentPane->getSelectedLayer();
Chris@45: 
Chris@100:     bool havePrevPane = false, haveNextPane = false;
Chris@100:     bool havePrevLayer = false, haveNextLayer = false;
Chris@100: 
Chris@100:     if (currentPane) {
Chris@100:         for (int i = 0; i < m_paneStack->getPaneCount(); ++i) {
Chris@100:             if (m_paneStack->getPane(i) == currentPane) {
Chris@100:                 if (i > 0) havePrevPane = true;
Chris@100:                 if (i < m_paneStack->getPaneCount()-1) haveNextPane = true;
Chris@100:                 break;
Chris@100:             }
Chris@100:         }
Chris@100:         if (currentLayer) {
Chris@100:             for (int i = 0; i < currentPane->getLayerCount(); ++i) {
Chris@100:                 if (currentPane->getLayer(i) == currentLayer) {
Chris@100:                     if (i > 0) havePrevLayer = true;
Chris@100:                     if (i < currentPane->getLayerCount()-1) haveNextLayer = true;
Chris@100:                     break;
Chris@100:                 }
Chris@100:             }
Chris@100:         }
Chris@100:     }        
Chris@100: 
Chris@45:     bool haveCurrentPane =
Chris@45:         (currentPane != 0);
Chris@45:     bool haveCurrentLayer =
Chris@45:         (haveCurrentPane &&
Chris@45:          (currentLayer != 0));
Chris@45:     bool haveMainModel =
Chris@45: 	(getMainModel() != 0);
Chris@45:     bool havePlayTarget =
Chris@45: 	(m_playTarget != 0);
Chris@45:     bool haveSelection = 
Chris@45: 	(m_viewManager &&
Chris@45: 	 !m_viewManager->getSelections().empty());
Chris@45:     bool haveCurrentEditableLayer =
Chris@45: 	(haveCurrentLayer &&
Chris@45: 	 currentLayer->isLayerEditable());
Chris@45:     bool haveCurrentTimeInstantsLayer = 
Chris@45: 	(haveCurrentLayer &&
Chris@45: 	 dynamic_cast<TimeInstantLayer *>(currentLayer));
Chris@45:     bool haveCurrentColour3DPlot =
Chris@45:         (haveCurrentLayer &&
Chris@45:          dynamic_cast<Colour3DPlotLayer *>(currentLayer));
Chris@45:     bool haveClipboardContents =
Chris@45:         (m_viewManager &&
Chris@45:          !m_viewManager->getClipboard().empty());
Chris@45: 
Chris@45:     emit canAddPane(haveMainModel);
Chris@45:     emit canDeleteCurrentPane(haveCurrentPane);
Chris@45:     emit canZoom(haveMainModel && haveCurrentPane);
Chris@45:     emit canScroll(haveMainModel && haveCurrentPane);
Chris@45:     emit canAddLayer(haveMainModel && haveCurrentPane);
Chris@45:     emit canImportMoreAudio(haveMainModel);
Chris@45:     emit canImportLayer(haveMainModel && haveCurrentPane);
Chris@45:     emit canExportAudio(haveMainModel);
Chris@45:     emit canExportLayer(haveMainModel &&
Chris@45:                         (haveCurrentEditableLayer || haveCurrentColour3DPlot));
Chris@45:     emit canExportImage(haveMainModel && haveCurrentPane);
Chris@45:     emit canDeleteCurrentLayer(haveCurrentLayer);
Chris@45:     emit canRenameLayer(haveCurrentLayer);
Chris@45:     emit canEditLayer(haveCurrentEditableLayer);
Chris@45:     emit canMeasureLayer(haveCurrentLayer);
Chris@45:     emit canSelect(haveMainModel && haveCurrentPane);
Chris@45:     emit canPlay(havePlayTarget);
Chris@45:     emit canFfwd(true);
Chris@45:     emit canRewind(true);
Chris@100:     emit canPaste(haveClipboardContents);
Chris@45:     emit canInsertInstant(haveCurrentPane);
Chris@45:     emit canInsertInstantsAtBoundaries(haveCurrentPane && haveSelection);
Chris@45:     emit canRenumberInstants(haveCurrentTimeInstantsLayer && haveSelection);
Chris@45:     emit canPlaySelection(haveMainModel && havePlayTarget && haveSelection);
Chris@45:     emit canClearSelection(haveSelection);
Chris@45:     emit canEditSelection(haveSelection && haveCurrentEditableLayer);
Chris@45:     emit canSave(m_sessionFile != "" && m_documentModified);
Chris@100:     emit canSelectPreviousPane(havePrevPane);
Chris@100:     emit canSelectNextPane(haveNextPane);
Chris@100:     emit canSelectPreviousLayer(havePrevLayer);
Chris@100:     emit canSelectNextLayer(haveNextLayer);
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::documentModified()
Chris@45: {
Chris@45: //    std::cerr << "MainWindowBase::documentModified" << std::endl;
Chris@45: 
Chris@45:     if (!m_documentModified) {
Chris@45:         //!!! this in subclass implementation?
Chris@45: 	setWindowTitle(tr("%1 (modified)").arg(windowTitle()));
Chris@45:     }
Chris@45: 
Chris@45:     m_documentModified = true;
Chris@45:     updateMenuStates();
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::documentRestored()
Chris@45: {
Chris@45: //    std::cerr << "MainWindowBase::documentRestored" << std::endl;
Chris@45: 
Chris@45:     if (m_documentModified) {
Chris@45:         //!!! this in subclass implementation?
Chris@45: 	QString wt(windowTitle());
Chris@45: 	wt.replace(tr(" (modified)"), "");
Chris@45: 	setWindowTitle(wt);
Chris@45:     }
Chris@45: 
Chris@45:     m_documentModified = false;
Chris@45:     updateMenuStates();
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::playLoopToggled()
Chris@45: {
Chris@45:     QAction *action = dynamic_cast<QAction *>(sender());
Chris@45:     
Chris@45:     if (action) {
Chris@45: 	m_viewManager->setPlayLoopMode(action->isChecked());
Chris@45:     } else {
Chris@45: 	m_viewManager->setPlayLoopMode(!m_viewManager->getPlayLoopMode());
Chris@45:     }
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::playSelectionToggled()
Chris@45: {
Chris@45:     QAction *action = dynamic_cast<QAction *>(sender());
Chris@45:     
Chris@45:     if (action) {
Chris@45: 	m_viewManager->setPlaySelectionMode(action->isChecked());
Chris@45:     } else {
Chris@45: 	m_viewManager->setPlaySelectionMode(!m_viewManager->getPlaySelectionMode());
Chris@45:     }
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::playSoloToggled()
Chris@45: {
Chris@45:     QAction *action = dynamic_cast<QAction *>(sender());
Chris@45:     
Chris@45:     if (action) {
Chris@45: 	m_viewManager->setPlaySoloMode(action->isChecked());
Chris@45:     } else {
Chris@45: 	m_viewManager->setPlaySoloMode(!m_viewManager->getPlaySoloMode());
Chris@45:     }
Chris@45: 
Chris@45:     if (m_viewManager->getPlaySoloMode()) {
Chris@45:         currentPaneChanged(m_paneStack->getCurrentPane());
Chris@45:     } else {
Chris@45:         m_viewManager->setPlaybackModel(0);
Chris@45:         if (m_playSource) {
Chris@45:             m_playSource->clearSoloModelSet();
Chris@45:         }
Chris@45:     }
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::currentPaneChanged(Pane *p)
Chris@45: {
Chris@45:     updateMenuStates();
Chris@45:     updateVisibleRangeDisplay(p);
Chris@45: 
Chris@45:     if (!p) return;
Chris@45: 
Chris@45:     if (!(m_viewManager &&
Chris@45:           m_playSource &&
Chris@45:           m_viewManager->getPlaySoloMode())) {
Chris@45:         if (m_viewManager) m_viewManager->setPlaybackModel(0);
Chris@45:         return;
Chris@45:     }
Chris@45: 
Chris@45:     Model *prevPlaybackModel = m_viewManager->getPlaybackModel();
Chris@60: 
Chris@100:     // What we want here is not the currently playing frame (unless we
Chris@100:     // are about to clear out the audio playback buffers -- which may
Chris@100:     // or may not be possible, depending on the audio driver).  What
Chris@100:     // we want is the frame that was last committed to the soundcard
Chris@100:     // buffers, as the audio driver will continue playing up to that
Chris@100:     // frame before switching to whichever one we decide we want to
Chris@100:     // switch to, regardless of our efforts.
Chris@100: 
Chris@100:     int frame = m_playSource->getCurrentBufferedFrame();
Chris@100: 
Chris@100: //    std::cerr << "currentPaneChanged: current frame (in ref model) = " << frame << std::endl;
Chris@45: 
Chris@45:     View::ModelSet soloModels = p->getModels();
Chris@45:     
Chris@57:     View::ModelSet sources;
Chris@57:     for (View::ModelSet::iterator mi = soloModels.begin();
Chris@57:          mi != soloModels.end(); ++mi) {
Chris@57:         if (*mi && (*mi)->getSourceModel()) {
Chris@57:             sources.insert((*mi)->getSourceModel());
Chris@57:         }
Chris@57:     }
Chris@57:     for (View::ModelSet::iterator mi = sources.begin();
Chris@57:          mi != sources.end(); ++mi) {
Chris@57:         soloModels.insert(*mi);
Chris@57:     }
Chris@57: 
Chris@60:     //!!! Need an "atomic" way of telling the play source that the
Chris@60:     //playback model has changed, and changing it on ViewManager --
Chris@60:     //the play source should be making the setPlaybackModel call to
Chris@60:     //ViewManager
Chris@60: 
Chris@45:     for (View::ModelSet::iterator mi = soloModels.begin();
Chris@45:          mi != soloModels.end(); ++mi) {
Chris@45:         if (dynamic_cast<RangeSummarisableTimeValueModel *>(*mi)) {
Chris@45:             m_viewManager->setPlaybackModel(*mi);
Chris@45:         }
Chris@45:     }
Chris@45:     
Chris@45:     RangeSummarisableTimeValueModel *a = 
Chris@45:         dynamic_cast<RangeSummarisableTimeValueModel *>(prevPlaybackModel);
Chris@45:     RangeSummarisableTimeValueModel *b = 
Chris@45:         dynamic_cast<RangeSummarisableTimeValueModel *>(m_viewManager->
Chris@45:                                                         getPlaybackModel());
Chris@45: 
Chris@45:     m_playSource->setSoloModelSet(soloModels);
Chris@45: 
Chris@45:     if (a && b && (a != b)) {
Chris@60:         if (m_playSource->isPlaying()) m_playSource->play(frame);
Chris@45:     }
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::currentLayerChanged(Pane *p, Layer *)
Chris@45: {
Chris@45:     updateMenuStates();
Chris@45:     updateVisibleRangeDisplay(p);
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::selectAll()
Chris@45: {
Chris@45:     if (!getMainModel()) return;
Chris@45:     m_viewManager->setSelection(Selection(getMainModel()->getStartFrame(),
Chris@45: 					  getMainModel()->getEndFrame()));
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::selectToStart()
Chris@45: {
Chris@45:     if (!getMainModel()) return;
Chris@45:     m_viewManager->setSelection(Selection(getMainModel()->getStartFrame(),
Chris@45: 					  m_viewManager->getGlobalCentreFrame()));
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::selectToEnd()
Chris@45: {
Chris@45:     if (!getMainModel()) return;
Chris@45:     m_viewManager->setSelection(Selection(m_viewManager->getGlobalCentreFrame(),
Chris@45: 					  getMainModel()->getEndFrame()));
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::selectVisible()
Chris@45: {
Chris@45:     Model *model = getMainModel();
Chris@45:     if (!model) return;
Chris@45: 
Chris@45:     Pane *currentPane = m_paneStack->getCurrentPane();
Chris@45:     if (!currentPane) return;
Chris@45: 
Chris@45:     size_t startFrame, endFrame;
Chris@45: 
Chris@45:     if (currentPane->getStartFrame() < 0) startFrame = 0;
Chris@45:     else startFrame = currentPane->getStartFrame();
Chris@45: 
Chris@45:     if (currentPane->getEndFrame() > model->getEndFrame()) endFrame = model->getEndFrame();
Chris@45:     else endFrame = currentPane->getEndFrame();
Chris@45: 
Chris@45:     m_viewManager->setSelection(Selection(startFrame, endFrame));
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::clearSelection()
Chris@45: {
Chris@45:     m_viewManager->clearSelections();
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::cut()
Chris@45: {
Chris@45:     Pane *currentPane = m_paneStack->getCurrentPane();
Chris@45:     if (!currentPane) return;
Chris@45: 
Chris@45:     Layer *layer = currentPane->getSelectedLayer();
Chris@45:     if (!layer) return;
Chris@45: 
Chris@45:     Clipboard &clipboard = m_viewManager->getClipboard();
Chris@45:     clipboard.clear();
Chris@45: 
Chris@45:     MultiSelection::SelectionList selections = m_viewManager->getSelections();
Chris@45: 
Chris@45:     CommandHistory::getInstance()->startCompoundOperation(tr("Cut"), true);
Chris@45: 
Chris@45:     for (MultiSelection::SelectionList::iterator i = selections.begin();
Chris@45:          i != selections.end(); ++i) {
Chris@100:         layer->copy(currentPane, *i, clipboard);
Chris@45:         layer->deleteSelection(*i);
Chris@45:     }
Chris@45: 
Chris@45:     CommandHistory::getInstance()->endCompoundOperation();
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::copy()
Chris@45: {
Chris@45:     Pane *currentPane = m_paneStack->getCurrentPane();
Chris@45:     if (!currentPane) return;
Chris@45: 
Chris@45:     Layer *layer = currentPane->getSelectedLayer();
Chris@45:     if (!layer) return;
Chris@45: 
Chris@45:     Clipboard &clipboard = m_viewManager->getClipboard();
Chris@45:     clipboard.clear();
Chris@45: 
Chris@45:     MultiSelection::SelectionList selections = m_viewManager->getSelections();
Chris@45: 
Chris@45:     for (MultiSelection::SelectionList::iterator i = selections.begin();
Chris@45:          i != selections.end(); ++i) {
Chris@100:         layer->copy(currentPane, *i, clipboard);
Chris@45:     }
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::paste()
Chris@45: {
Chris@45:     Pane *currentPane = m_paneStack->getCurrentPane();
Chris@45:     if (!currentPane) return;
Chris@45: 
Chris@45:     Layer *layer = currentPane->getSelectedLayer();
Chris@45: 
Chris@45:     Clipboard &clipboard = m_viewManager->getClipboard();
Chris@100: //    Clipboard::PointList contents = clipboard.getPoints();
Chris@100: 
Chris@100:     bool inCompound = false;
Chris@100: 
Chris@100:     if (!layer || !layer->isLayerEditable()) {
Chris@100:         
Chris@100:         CommandHistory::getInstance()->startCompoundOperation
Chris@100:             (tr("Paste"), true);
Chris@100: 
Chris@100:         // no suitable current layer: create one of the most
Chris@100:         // appropriate sort
Chris@100:         LayerFactory::LayerType type =
Chris@100:             LayerFactory::getInstance()->getLayerTypeForClipboardContents(clipboard);
Chris@100:         layer = m_document->createEmptyLayer(type);
Chris@100: 
Chris@100:         if (!layer) {
Chris@100:             CommandHistory::getInstance()->endCompoundOperation();
Chris@100:             return;
Chris@45:         }
Chris@100: 
Chris@100:         m_document->addLayerToView(currentPane, layer);
Chris@100:         m_paneStack->setCurrentLayer(currentPane, layer);
Chris@100: 
Chris@100:         inCompound = true;
Chris@45:     }
Chris@45: 
Chris@100:     layer->paste(currentPane, clipboard, 0, true);
Chris@45: 
Chris@100:     if (inCompound) CommandHistory::getInstance()->endCompoundOperation();
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::deleteSelected()
Chris@45: {
Chris@45:     if (m_paneStack->getCurrentPane() &&
Chris@45: 	m_paneStack->getCurrentPane()->getSelectedLayer()) {
Chris@45:         
Chris@45:         Layer *layer = m_paneStack->getCurrentPane()->getSelectedLayer();
Chris@45: 
Chris@45:         if (m_viewManager && 
Chris@45:             (m_viewManager->getToolMode() == ViewManager::MeasureMode)) {
Chris@45: 
Chris@45:             layer->deleteCurrentMeasureRect();
Chris@45: 
Chris@45:         } else {
Chris@45: 
Chris@45:             MultiSelection::SelectionList selections =
Chris@45:                 m_viewManager->getSelections();
Chris@45:             
Chris@45:             for (MultiSelection::SelectionList::iterator i = selections.begin();
Chris@45:                  i != selections.end(); ++i) {
Chris@45:                 layer->deleteSelection(*i);
Chris@45:             }
Chris@45: 	}
Chris@45:     }
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::insertInstant()
Chris@45: {
Chris@45:     int frame = m_viewManager->getPlaybackFrame();
Chris@45:     insertInstantAt(frame);
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::insertInstantsAtBoundaries()
Chris@45: {
Chris@45:     MultiSelection::SelectionList selections = m_viewManager->getSelections();
Chris@45:     for (MultiSelection::SelectionList::iterator i = selections.begin();
Chris@45:          i != selections.end(); ++i) {
Chris@45:         size_t start = i->getStartFrame();
Chris@45:         size_t end = i->getEndFrame();
Chris@45:         if (start != end) {
Chris@45:             insertInstantAt(i->getStartFrame());
Chris@45:             insertInstantAt(i->getEndFrame());
Chris@45:         }
Chris@45:     }
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::insertInstantAt(size_t frame)
Chris@45: {
Chris@45:     Pane *pane = m_paneStack->getCurrentPane();
Chris@45:     if (!pane) {
Chris@45:         return;
Chris@45:     }
Chris@45: 
Chris@100:     frame = pane->alignFromReference(frame);
Chris@100: 
Chris@45:     Layer *layer = dynamic_cast<TimeInstantLayer *>
Chris@45:         (pane->getSelectedLayer());
Chris@45: 
Chris@45:     if (!layer) {
Chris@45:         for (int i = pane->getLayerCount(); i > 0; --i) {
Chris@45:             layer = dynamic_cast<TimeInstantLayer *>(pane->getLayer(i - 1));
Chris@45:             if (layer) break;
Chris@45:         }
Chris@45: 
Chris@45:         if (!layer) {
Chris@45:             CommandHistory::getInstance()->startCompoundOperation
Chris@45:                 (tr("Add Point"), true);
Chris@45:             layer = m_document->createEmptyLayer(LayerFactory::TimeInstants);
Chris@45:             if (layer) {
Chris@45:                 m_document->addLayerToView(pane, layer);
Chris@45:                 m_paneStack->setCurrentLayer(pane, layer);
Chris@45:             }
Chris@45:             CommandHistory::getInstance()->endCompoundOperation();
Chris@45:         }
Chris@45:     }
Chris@45: 
Chris@45:     if (layer) {
Chris@45:     
Chris@45:         Model *model = layer->getModel();
Chris@45:         SparseOneDimensionalModel *sodm = dynamic_cast<SparseOneDimensionalModel *>
Chris@45:             (model);
Chris@45: 
Chris@45:         if (sodm) {
Chris@45:             SparseOneDimensionalModel::Point point(frame, "");
Chris@45: 
Chris@45:             SparseOneDimensionalModel::Point prevPoint(0);
Chris@45:             bool havePrevPoint = false;
Chris@45: 
Chris@45:             SparseOneDimensionalModel::EditCommand *command =
Chris@45:                 new SparseOneDimensionalModel::EditCommand(sodm, tr("Add Point"));
Chris@45: 
Chris@100:             if (m_labeller->requiresPrevPoint()) {
Chris@45: 
Chris@45:                 SparseOneDimensionalModel::PointList prevPoints =
Chris@45:                     sodm->getPreviousPoints(frame);
Chris@45: 
Chris@45:                 if (!prevPoints.empty()) {
Chris@45:                     prevPoint = *prevPoints.begin();
Chris@45:                     havePrevPoint = true;
Chris@45:                 }
Chris@45:             }
Chris@45: 
Chris@45:             if (m_labeller) {
Chris@45: 
Chris@45:                 m_labeller->setSampleRate(sodm->getSampleRate());
Chris@45: 
Chris@100:                 if (m_labeller->actingOnPrevPoint()) {
Chris@45:                     command->deletePoint(prevPoint);
Chris@45:                 }
Chris@45: 
Chris@45:                 m_labeller->label<SparseOneDimensionalModel::Point>
Chris@45:                     (point, havePrevPoint ? &prevPoint : 0);
Chris@45: 
Chris@100:                 if (m_labeller->actingOnPrevPoint()) {
Chris@45:                     command->addPoint(prevPoint);
Chris@45:                 }
Chris@45:             }
Chris@45:             
Chris@45:             command->addPoint(point);
Chris@45: 
Chris@45:             command->setName(tr("Add Point at %1 s")
Chris@45:                              .arg(RealTime::frame2RealTime
Chris@45:                                   (frame,
Chris@45:                                    sodm->getSampleRate())
Chris@45:                                   .toText(false).c_str()));
Chris@45: 
Chris@45:             command->finish();
Chris@45:         }
Chris@45:     }
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::renumberInstants()
Chris@45: {
Chris@45:     Pane *pane = m_paneStack->getCurrentPane();
Chris@45:     if (!pane) return;
Chris@45: 
Chris@45:     Layer *layer = dynamic_cast<TimeInstantLayer *>(pane->getSelectedLayer());
Chris@45:     if (!layer) return;
Chris@45: 
Chris@45:     MultiSelection ms(m_viewManager->getSelection());
Chris@45:     
Chris@45:     Model *model = layer->getModel();
Chris@45:     SparseOneDimensionalModel *sodm = dynamic_cast<SparseOneDimensionalModel *>
Chris@45:         (model);
Chris@45:     if (!sodm) return;
Chris@45: 
Chris@45:     if (!m_labeller) return;
Chris@45: 
Chris@45:     Labeller labeller(*m_labeller);
Chris@45:     labeller.setSampleRate(sodm->getSampleRate());
Chris@45: 
Chris@45:     // This uses a command
Chris@45: 
Chris@45:     labeller.labelAll<SparseOneDimensionalModel::Point>(*sodm, &ms);
Chris@45: }
Chris@45: 
Chris@45: MainWindowBase::FileOpenStatus
Chris@45: MainWindowBase::open(QString fileOrUrl, AudioFileOpenMode mode)
Chris@45: {
Chris@100:     return open(FileSource(fileOrUrl, FileSource::ProgressDialog), mode);
Chris@45: }
Chris@45: 
Chris@45: MainWindowBase::FileOpenStatus
Chris@45: MainWindowBase::open(FileSource source, AudioFileOpenMode mode)
Chris@45: {
Chris@45:     FileOpenStatus status;
Chris@45: 
Chris@45:     if (!source.isAvailable()) return FileOpenFailed;
Chris@45:     source.waitForData();
Chris@45: 
Chris@45:     bool canImportLayer = (getMainModel() != 0 &&
Chris@45:                            m_paneStack != 0 &&
Chris@45:                            m_paneStack->getCurrentPane() != 0);
Chris@45: 
Chris@45:     if ((status = openAudio(source, mode)) != FileOpenFailed) {
Chris@45:         return status;
Chris@45:     } else if ((status = openSession(source)) != FileOpenFailed) {
Chris@45: 	return status;
Chris@45:     } else if ((status = openPlaylist(source, mode)) != FileOpenFailed) {
Chris@45:         return status;
Chris@45:     } else if (!canImportLayer) {
Chris@45:         return FileOpenWrongMode;
Chris@45:     } else if ((status = openImage(source)) != FileOpenFailed) {
Chris@45:         return status;
Chris@45:     } else if ((status = openLayer(source)) != FileOpenFailed) {
Chris@45:         return status;
Chris@45:     } else {
Chris@45: 	return FileOpenFailed;
Chris@45:     }
Chris@45: }
Chris@45: 
Chris@45: MainWindowBase::FileOpenStatus
Chris@45: MainWindowBase::openAudio(FileSource source, AudioFileOpenMode mode)
Chris@45: {
Chris@45:     std::cerr << "MainWindowBase::openAudio(" << source.getLocation().toStdString() << ")" << std::endl;
Chris@45: 
Chris@45:     if (!source.isAvailable()) return FileOpenFailed;
Chris@45:     source.waitForData();
Chris@45: 
Chris@45:     m_openingAudioFile = true;
Chris@45: 
Chris@45:     size_t rate = 0;
Chris@45: 
Chris@45:     if (Preferences::getInstance()->getResampleOnLoad()) {
Chris@45:         rate = m_playSource->getSourceSampleRate();
Chris@45:     }
Chris@45: 
Chris@45:     WaveFileModel *newModel = new WaveFileModel(source, rate);
Chris@45: 
Chris@45:     if (!newModel->isOK()) {
Chris@45: 	delete newModel;
Chris@45:         m_openingAudioFile = false;
Chris@45: 	return FileOpenFailed;
Chris@45:     }
Chris@45: 
Chris@45:     std::cerr << "mode = " << mode << std::endl;
Chris@45: 
Chris@45:     if (mode == AskUser) {
Chris@45:         if (getMainModel()) {
Chris@45: 
Chris@45:             static bool prevSetAsMain = true;
Chris@45:             bool setAsMain = true;
Chris@45:             
Chris@45:             QStringList items;
Chris@45:             items << tr("Replace the existing main waveform")
Chris@45:                   << tr("Load this file into a new waveform pane");
Chris@45: 
Chris@45:             bool ok = false;
Chris@45:             QString item = ListInputDialog::getItem
Chris@45:                 (this, tr("Select target for import"),
Chris@45:                  tr("You already have an audio waveform loaded.\nWhat would you like to do with the new audio file?"),
Chris@45:                  items, prevSetAsMain ? 0 : 1, &ok);
Chris@45:             
Chris@45:             if (!ok || item.isEmpty()) {
Chris@45:                 delete newModel;
Chris@45:                 m_openingAudioFile = false;
Chris@45:                 return FileOpenCancelled;
Chris@45:             }
Chris@45:             
Chris@45:             setAsMain = (item == items[0]);
Chris@45:             prevSetAsMain = setAsMain;
Chris@45: 
Chris@45:             if (setAsMain) mode = ReplaceMainModel;
Chris@45:             else mode = CreateAdditionalModel;
Chris@45: 
Chris@45:         } else {
Chris@45:             mode = ReplaceMainModel;
Chris@45:         }
Chris@45:     }
Chris@45: 
Chris@45:     if (mode == ReplaceCurrentPane) {
Chris@45: 
Chris@45:         Pane *pane = m_paneStack->getCurrentPane();
Chris@45:         if (pane) {
Chris@45:             if (getMainModel()) {
Chris@45:                 View::ModelSet models(pane->getModels());
Chris@45:                 if (models.find(getMainModel()) != models.end()) {
Chris@45:                     mode = ReplaceMainModel;
Chris@45:                 }
Chris@45:             } else {
Chris@45:                 mode = ReplaceMainModel;
Chris@45:             }
Chris@45:         } else {
Chris@45:             mode = CreateAdditionalModel;
Chris@45:         }
Chris@45:     }
Chris@45: 
Chris@45:     if (mode == CreateAdditionalModel && !getMainModel()) {
Chris@45:         mode = ReplaceMainModel;
Chris@45:     }
Chris@45: 
Chris@45:     if (mode == ReplaceMainModel) {
Chris@45: 
Chris@45:         Model *prevMain = getMainModel();
Chris@45:         if (prevMain) {
Chris@45:             m_playSource->removeModel(prevMain);
Chris@45:             PlayParameterRepository::getInstance()->removeModel(prevMain);
Chris@45:         }
Chris@45:         PlayParameterRepository::getInstance()->addModel(newModel);
Chris@45: 
Chris@45: 	m_document->setMainModel(newModel);
Chris@45: 
Chris@45: 	setupMenus();
Chris@45: 
Chris@45: 	if (m_sessionFile == "") {
Chris@45:             //!!! shouldn't be dealing directly with title from here -- call a method
Chris@57: 	    setWindowTitle(tr("%1: %2")
Chris@57:                            .arg(QApplication::applicationName())
Chris@45:                            .arg(source.getLocation()));
Chris@45: 	    CommandHistory::getInstance()->clear();
Chris@45: 	    CommandHistory::getInstance()->documentSaved();
Chris@45: 	    m_documentModified = false;
Chris@45: 	} else {
Chris@57: 	    setWindowTitle(tr("%1: %2 [%3]")
Chris@57:                            .arg(QApplication::applicationName())
Chris@45: 			   .arg(QFileInfo(m_sessionFile).fileName())
Chris@45: 			   .arg(source.getLocation()));
Chris@45: 	    if (m_documentModified) {
Chris@45: 		m_documentModified = false;
Chris@45: 		documentModified(); // so as to restore "(modified)" window title
Chris@45: 	    }
Chris@45: 	}
Chris@45: 
Chris@45:         if (!source.isRemote()) m_audioFile = source.getLocalFilename();
Chris@45: 
Chris@45:     } else if (mode == CreateAdditionalModel) {
Chris@45: 
Chris@45: 	CommandHistory::getInstance()->startCompoundOperation
Chris@45: 	    (tr("Import \"%1\"").arg(source.getLocation()), true);
Chris@45: 
Chris@45: 	m_document->addImportedModel(newModel);
Chris@45: 
Chris@45: 	AddPaneCommand *command = new AddPaneCommand(this);
Chris@45: 	CommandHistory::getInstance()->addCommand(command);
Chris@45: 
Chris@45: 	Pane *pane = command->getPane();
Chris@45: 
Chris@47:         if (m_timeRulerLayer) {
Chris@47:             m_document->addLayerToView(pane, m_timeRulerLayer);
Chris@47:         }
Chris@45: 
Chris@45: 	Layer *newLayer = m_document->createImportedLayer(newModel);
Chris@45: 
Chris@45: 	if (newLayer) {
Chris@45: 	    m_document->addLayerToView(pane, newLayer);
Chris@45: 	}
Chris@45: 	
Chris@45: 	CommandHistory::getInstance()->endCompoundOperation();
Chris@45: 
Chris@45:     } else if (mode == ReplaceCurrentPane) {
Chris@45: 
Chris@45:         // We know there is a current pane, otherwise we would have
Chris@45:         // reset the mode to CreateAdditionalModel above; and we know
Chris@45:         // the current pane does not contain the main model, otherwise
Chris@45:         // we would have reset it to ReplaceMainModel.  But we don't
Chris@45:         // know whether the pane contains a waveform model at all.
Chris@45:         
Chris@45:         Pane *pane = m_paneStack->getCurrentPane();
Chris@45:         Layer *replace = 0;
Chris@45: 
Chris@45:         for (int i = 0; i < pane->getLayerCount(); ++i) {
Chris@45:             Layer *layer = pane->getLayer(i);
Chris@45:             if (dynamic_cast<WaveformLayer *>(layer)) {
Chris@45:                 replace = layer;
Chris@45:                 break;
Chris@45:             }
Chris@45:         }
Chris@45: 
Chris@45: 	CommandHistory::getInstance()->startCompoundOperation
Chris@45: 	    (tr("Import \"%1\"").arg(source.getLocation()), true);
Chris@45: 
Chris@45: 	m_document->addImportedModel(newModel);
Chris@45: 
Chris@45:         if (replace) {
Chris@45:             m_document->removeLayerFromView(pane, replace);
Chris@45:         }
Chris@45: 
Chris@45: 	Layer *newLayer = m_document->createImportedLayer(newModel);
Chris@45: 
Chris@45: 	if (newLayer) {
Chris@45: 	    m_document->addLayerToView(pane, newLayer);
Chris@45: 	}
Chris@45: 	
Chris@45: 	CommandHistory::getInstance()->endCompoundOperation();
Chris@45:     }
Chris@45: 
Chris@45:     updateMenuStates();
Chris@45:     m_recentFiles.addFile(source.getLocation());
Chris@45:     if (!source.isRemote()) {
Chris@45:         // for file dialog
Chris@45:         registerLastOpenedFilePath(FileFinder::AudioFile,
Chris@45:                                    source.getLocalFilename());
Chris@45:     }
Chris@45:     m_openingAudioFile = false;
Chris@45: 
Chris@45:     currentPaneChanged(m_paneStack->getCurrentPane());
Chris@45: 
Chris@45:     return FileOpenSucceeded;
Chris@45: }
Chris@45: 
Chris@45: MainWindowBase::FileOpenStatus
Chris@45: MainWindowBase::openPlaylist(FileSource source, AudioFileOpenMode mode)
Chris@45: {
Chris@45:     std::set<QString> extensions;
Chris@45:     PlaylistFileReader::getSupportedExtensions(extensions);
Chris@45:     QString extension = source.getExtension();
Chris@45:     if (extensions.find(extension) == extensions.end()) return FileOpenFailed;
Chris@45: 
Chris@45:     if (!source.isAvailable()) return FileOpenFailed;
Chris@45:     source.waitForData();
Chris@45: 
Chris@45:     PlaylistFileReader reader(source.getLocalFilename());
Chris@45:     if (!reader.isOK()) return FileOpenFailed;
Chris@45: 
Chris@45:     PlaylistFileReader::Playlist playlist = reader.load();
Chris@45: 
Chris@45:     bool someSuccess = false;
Chris@45: 
Chris@45:     for (PlaylistFileReader::Playlist::const_iterator i = playlist.begin();
Chris@45:          i != playlist.end(); ++i) {
Chris@45: 
Chris@100:         FileOpenStatus status = openAudio
Chris@100:             (FileSource(*i, FileSource::ProgressDialog), mode);
Chris@45: 
Chris@45:         if (status == FileOpenCancelled) {
Chris@45:             return FileOpenCancelled;
Chris@45:         }
Chris@45: 
Chris@45:         if (status == FileOpenSucceeded) {
Chris@45:             someSuccess = true;
Chris@45:             mode = CreateAdditionalModel;
Chris@45:         }
Chris@45:     }
Chris@45: 
Chris@45:     if (someSuccess) return FileOpenSucceeded;
Chris@45:     else return FileOpenFailed;
Chris@45: }
Chris@45: 
Chris@45: MainWindowBase::FileOpenStatus
Chris@45: MainWindowBase::openLayer(FileSource source)
Chris@45: {
Chris@45:     Pane *pane = m_paneStack->getCurrentPane();
Chris@45:     
Chris@45:     if (!pane) {
Chris@45: 	// shouldn't happen, as the menu action should have been disabled
Chris@45: 	std::cerr << "WARNING: MainWindowBase::openLayer: no current pane" << std::endl;
Chris@45: 	return FileOpenWrongMode;
Chris@45:     }
Chris@45: 
Chris@45:     if (!getMainModel()) {
Chris@45: 	// shouldn't happen, as the menu action should have been disabled
Chris@45: 	std::cerr << "WARNING: MainWindowBase::openLayer: No main model -- hence no default sample rate available" << std::endl;
Chris@45: 	return FileOpenWrongMode;
Chris@45:     }
Chris@45: 
Chris@45:     if (!source.isAvailable()) return FileOpenFailed;
Chris@45:     source.waitForData();
Chris@45: 
Chris@45:     QString path = source.getLocalFilename();
Chris@45: 
Chris@45:     if (source.getExtension() == "svl" || source.getExtension() == "xml") {
Chris@45: 
Chris@45:         PaneCallback callback(this);
Chris@45:         QFile file(path);
Chris@45:         
Chris@45:         if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
Chris@45:             std::cerr << "ERROR: MainWindowBase::openLayer("
Chris@45:                       << source.getLocation().toStdString()
Chris@45:                       << "): Failed to open file for reading" << std::endl;
Chris@45:             return FileOpenFailed;
Chris@45:         }
Chris@45:         
Chris@45:         SVFileReader reader(m_document, callback, source.getLocation());
Chris@100:         connect
Chris@100:             (&reader, SIGNAL(modelRegenerationFailed(QString, QString, QString)),
Chris@100:              this, SLOT(modelRegenerationFailed(QString, QString, QString)));
Chris@100:         connect
Chris@100:             (&reader, SIGNAL(modelRegenerationWarning(QString, QString, QString)),
Chris@100:              this, SLOT(modelRegenerationWarning(QString, QString, QString)));
Chris@45:         reader.setCurrentPane(pane);
Chris@45:         
Chris@45:         QXmlInputSource inputSource(&file);
Chris@45:         reader.parse(inputSource);
Chris@45:         
Chris@45:         if (!reader.isOK()) {
Chris@45:             std::cerr << "ERROR: MainWindowBase::openLayer("
Chris@45:                       << source.getLocation().toStdString()
Chris@45:                       << "): Failed to read XML file: "
Chris@45:                       << reader.getErrorString().toStdString() << std::endl;
Chris@45:             return FileOpenFailed;
Chris@45:         }
Chris@45: 
Chris@45:         m_recentFiles.addFile(source.getLocation());
Chris@45: 
Chris@45:         if (!source.isRemote()) {
Chris@45:             registerLastOpenedFilePath(FileFinder::LayerFile, path); // for file dialog
Chris@45:         }
Chris@45: 
Chris@100:         return FileOpenSucceeded;
Chris@100: 
Chris@45:     } else {
Chris@45:         
Chris@45:         try {
Chris@45: 
Chris@45:             Model *model = DataFileReaderFactory::load
Chris@45:                 (path, getMainModel()->getSampleRate());
Chris@45:         
Chris@45:             if (model) {
Chris@45: 
Chris@45:                 std::cerr << "MainWindowBase::openLayer: Have model" << std::endl;
Chris@45: 
Chris@45:                 Layer *newLayer = m_document->createImportedLayer(model);
Chris@45: 
Chris@45:                 if (newLayer) {
Chris@45: 
Chris@45:                     m_document->addLayerToView(pane, newLayer);
Chris@100:                     m_paneStack->setCurrentLayer(pane, newLayer);
Chris@100: 
Chris@45:                     m_recentFiles.addFile(source.getLocation());
Chris@45:                     
Chris@45:                     if (!source.isRemote()) {
Chris@45:                         registerLastOpenedFilePath
Chris@45:                             (FileFinder::LayerFile,
Chris@45:                              path); // for file dialog
Chris@45:                     }
Chris@100: 
Chris@45:                     return FileOpenSucceeded;
Chris@45:                 }
Chris@45:             }
Chris@45:         } catch (DataFileReaderFactory::Exception e) {
Chris@45:             if (e == DataFileReaderFactory::ImportCancelled) {
Chris@45:                 return FileOpenCancelled;
Chris@45:             }
Chris@45:         }
Chris@45:     }
Chris@45:     
Chris@45:     return FileOpenFailed;
Chris@45: }
Chris@45: 
Chris@45: MainWindowBase::FileOpenStatus
Chris@45: MainWindowBase::openImage(FileSource source)
Chris@45: {
Chris@45:     Pane *pane = m_paneStack->getCurrentPane();
Chris@45:     
Chris@45:     if (!pane) {
Chris@45: 	// shouldn't happen, as the menu action should have been disabled
Chris@45: 	std::cerr << "WARNING: MainWindowBase::openImage: no current pane" << std::endl;
Chris@45: 	return FileOpenWrongMode;
Chris@45:     }
Chris@45: 
Chris@45:     if (!m_document->getMainModel()) {
Chris@45:         return FileOpenWrongMode;
Chris@45:     }
Chris@45: 
Chris@45:     bool newLayer = false;
Chris@45: 
Chris@45:     ImageLayer *il = dynamic_cast<ImageLayer *>(pane->getSelectedLayer());
Chris@45:     if (!il) {
Chris@45:         for (int i = pane->getLayerCount()-1; i >= 0; --i) {
Chris@45:             il = dynamic_cast<ImageLayer *>(pane->getLayer(i));
Chris@45:             if (il) break;
Chris@45:         }
Chris@45:     }
Chris@45:     if (!il) {
Chris@45:         il = dynamic_cast<ImageLayer *>
Chris@45:             (m_document->createEmptyLayer(LayerFactory::Image));
Chris@45:         if (!il) return FileOpenFailed;
Chris@45:         newLayer = true;
Chris@45:     }
Chris@45: 
Chris@45:     // We don't put the image file in Recent Files
Chris@45: 
Chris@45:     std::cerr << "openImage: trying location \"" << source.getLocation().toStdString() << "\" in image layer" << std::endl;
Chris@45: 
Chris@45:     if (!il->addImage(m_viewManager->getGlobalCentreFrame(), source.getLocation())) {
Chris@45:         if (newLayer) {
Chris@52:             m_document->deleteLayer(il); // also releases its model
Chris@45:         }
Chris@45:         return FileOpenFailed;
Chris@45:     } else {
Chris@45:         if (newLayer) {
Chris@45:             m_document->addLayerToView(pane, il);
Chris@45:         }
Chris@45:         m_paneStack->setCurrentLayer(pane, il);
Chris@45:     }
Chris@45: 
Chris@45:     return FileOpenSucceeded;
Chris@45: }
Chris@45: 
Chris@45: MainWindowBase::FileOpenStatus
Chris@45: MainWindowBase::openSessionFile(QString fileOrUrl)
Chris@45: {
Chris@100:     return openSession(FileSource(fileOrUrl, FileSource::ProgressDialog));
Chris@45: }
Chris@45: 
Chris@45: MainWindowBase::FileOpenStatus
Chris@45: MainWindowBase::openSession(FileSource source)
Chris@45: {
Chris@45:     if (!source.isAvailable()) return FileOpenFailed;
Chris@45:     if (source.getExtension() != "sv") return FileOpenFailed;
Chris@45:     source.waitForData();
Chris@45: 
Chris@45:     BZipFileDevice bzFile(source.getLocalFilename());
Chris@45:     if (!bzFile.open(QIODevice::ReadOnly)) return FileOpenFailed;
Chris@45: 
Chris@45:     if (!checkSaveModified()) return FileOpenCancelled;
Chris@45: 
Chris@45:     QString error;
Chris@45:     closeSession();
Chris@45:     createDocument();
Chris@45: 
Chris@45:     PaneCallback callback(this);
Chris@45:     m_viewManager->clearSelections();
Chris@45: 
Chris@45:     SVFileReader reader(m_document, callback, source.getLocation());
Chris@100:     connect
Chris@100:         (&reader, SIGNAL(modelRegenerationFailed(QString, QString, QString)),
Chris@100:          this, SLOT(modelRegenerationFailed(QString, QString, QString)));
Chris@100:     connect
Chris@100:         (&reader, SIGNAL(modelRegenerationWarning(QString, QString, QString)),
Chris@100:          this, SLOT(modelRegenerationWarning(QString, QString, QString)));
Chris@45:     QXmlInputSource inputSource(&bzFile);
Chris@45:     reader.parse(inputSource);
Chris@45:     
Chris@45:     if (!reader.isOK()) {
Chris@45:         error = tr("SV XML file read error:\n%1").arg(reader.getErrorString());
Chris@45:     }
Chris@45:     
Chris@45:     bzFile.close();
Chris@45: 
Chris@45:     bool ok = (error == "");
Chris@45: 
Chris@45:     if (ok) {
Chris@45: 
Chris@57: 	setWindowTitle(tr("%1: %2")
Chris@57:                        .arg(QApplication::applicationName())
Chris@45: 		       .arg(source.getLocation()));
Chris@45: 
Chris@45: 	if (!source.isRemote()) m_sessionFile = source.getLocalFilename();
Chris@45: 
Chris@45: 	setupMenus();
Chris@45: 
Chris@45: 	CommandHistory::getInstance()->clear();
Chris@45: 	CommandHistory::getInstance()->documentSaved();
Chris@45: 	m_documentModified = false;
Chris@45: 	updateMenuStates();
Chris@45: 
Chris@45:         m_recentFiles.addFile(source.getLocation());
Chris@45: 
Chris@45:         if (!source.isRemote()) {
Chris@45:             // for file dialog
Chris@45:             registerLastOpenedFilePath(FileFinder::SessionFile,
Chris@45:                                         source.getLocalFilename());
Chris@45:         }
Chris@45: 
Chris@45:     } else {
Chris@57: 	setWindowTitle(QApplication::applicationName());
Chris@45:     }
Chris@45: 
Chris@45:     return ok ? FileOpenSucceeded : FileOpenFailed;
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::createPlayTarget()
Chris@45: {
Chris@45:     if (m_playTarget) return;
Chris@45: 
Chris@45:     m_playTarget = AudioTargetFactory::createCallbackTarget(m_playSource);
Chris@45:     if (!m_playTarget) {
Chris@45: 	QMessageBox::warning
Chris@45: 	    (this, tr("Couldn't open audio device"),
Chris@45: 	     tr("<b>No audio available</b><p>Could not open an audio device for playback.<p>Audio playback will not be available during this session."),
Chris@45: 	     QMessageBox::Ok);
Chris@45:     }
Chris@45: }
Chris@45: 
Chris@45: WaveFileModel *
Chris@45: MainWindowBase::getMainModel()
Chris@45: {
Chris@45:     if (!m_document) return 0;
Chris@45:     return m_document->getMainModel();
Chris@45: }
Chris@45: 
Chris@45: const WaveFileModel *
Chris@45: MainWindowBase::getMainModel() const
Chris@45: {
Chris@45:     if (!m_document) return 0;
Chris@45:     return m_document->getMainModel();
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::createDocument()
Chris@45: {
Chris@45:     m_document = new Document;
Chris@45: 
Chris@45:     connect(m_document, SIGNAL(layerAdded(Layer *)),
Chris@45: 	    this, SLOT(layerAdded(Layer *)));
Chris@45:     connect(m_document, SIGNAL(layerRemoved(Layer *)),
Chris@45: 	    this, SLOT(layerRemoved(Layer *)));
Chris@45:     connect(m_document, SIGNAL(layerAboutToBeDeleted(Layer *)),
Chris@45: 	    this, SLOT(layerAboutToBeDeleted(Layer *)));
Chris@45:     connect(m_document, SIGNAL(layerInAView(Layer *, bool)),
Chris@45: 	    this, SLOT(layerInAView(Layer *, bool)));
Chris@45: 
Chris@45:     connect(m_document, SIGNAL(modelAdded(Model *)),
Chris@45: 	    this, SLOT(modelAdded(Model *)));
Chris@45:     connect(m_document, SIGNAL(mainModelChanged(WaveFileModel *)),
Chris@45: 	    this, SLOT(mainModelChanged(WaveFileModel *)));
Chris@45:     connect(m_document, SIGNAL(modelAboutToBeDeleted(Model *)),
Chris@45: 	    this, SLOT(modelAboutToBeDeleted(Model *)));
Chris@45: 
Chris@100:     connect(m_document, SIGNAL(modelGenerationFailed(QString, QString)),
Chris@100:             this, SLOT(modelGenerationFailed(QString, QString)));
Chris@100:     connect(m_document, SIGNAL(modelRegenerationWarning(QString, QString, QString)),
Chris@100:             this, SLOT(modelRegenerationWarning(QString, QString, QString)));
Chris@100:     connect(m_document, SIGNAL(modelGenerationFailed(QString, QString)),
Chris@100:             this, SLOT(modelGenerationFailed(QString, QString)));
Chris@100:     connect(m_document, SIGNAL(modelRegenerationWarning(QString, QString, QString)),
Chris@100:             this, SLOT(modelRegenerationWarning(QString, QString, QString)));
Chris@100:     connect(m_document, SIGNAL(alignmentFailed(QString, QString)),
Chris@100:             this, SLOT(alignmentFailed(QString, QString)));
Chris@45: }
Chris@45: 
Chris@45: bool
Chris@45: MainWindowBase::saveSessionFile(QString path)
Chris@45: {
Chris@45:     BZipFileDevice bzFile(path);
Chris@45:     if (!bzFile.open(QIODevice::WriteOnly)) {
Chris@45:         std::cerr << "Failed to open session file \"" << path.toStdString()
Chris@45:                   << "\" for writing: "
Chris@45:                   << bzFile.errorString().toStdString() << std::endl;
Chris@45:         return false;
Chris@45:     }
Chris@45: 
Chris@45:     QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
Chris@45: 
Chris@45:     QTextStream out(&bzFile);
Chris@45:     toXml(out);
Chris@45:     out.flush();
Chris@45: 
Chris@45:     QApplication::restoreOverrideCursor();
Chris@45: 
Chris@45:     if (!bzFile.isOK()) {
Chris@45: 	QMessageBox::critical(this, tr("Failed to write file"),
Chris@45: 			      tr("<b>Save failed</b><p>Failed to write to file \"%1\": %2")
Chris@45: 			      .arg(path).arg(bzFile.errorString()));
Chris@45:         bzFile.close();
Chris@45: 	return false;
Chris@45:     }
Chris@45: 
Chris@45:     bzFile.close();
Chris@45:     return true;
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::toXml(QTextStream &out)
Chris@45: {
Chris@45:     QString indent("  ");
Chris@45: 
Chris@45:     out << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
Chris@45:     out << "<!DOCTYPE sonic-visualiser>\n";
Chris@45:     out << "<sv>\n";
Chris@45: 
Chris@45:     m_document->toXml(out, "", "");
Chris@45: 
Chris@45:     out << "<display>\n";
Chris@45: 
Chris@45:     out << QString("  <window width=\"%1\" height=\"%2\"/>\n")
Chris@45: 	.arg(width()).arg(height());
Chris@45: 
Chris@45:     for (int i = 0; i < m_paneStack->getPaneCount(); ++i) {
Chris@45: 
Chris@45: 	Pane *pane = m_paneStack->getPane(i);
Chris@45: 
Chris@45: 	if (pane) {
Chris@45:             pane->toXml(out, indent);
Chris@45: 	}
Chris@45:     }
Chris@45: 
Chris@45:     out << "</display>\n";
Chris@45: 
Chris@45:     m_viewManager->getSelection().toXml(out);
Chris@45: 
Chris@45:     out << "</sv>\n";
Chris@45: }
Chris@45: 
Chris@45: Pane *
Chris@45: MainWindowBase::addPaneToStack()
Chris@45: {
Chris@45:     AddPaneCommand *command = new AddPaneCommand(this);
Chris@45:     CommandHistory::getInstance()->addCommand(command);
Chris@57:     Pane *pane = command->getPane();
Chris@57:     return pane;
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::zoomIn()
Chris@45: {
Chris@45:     Pane *currentPane = m_paneStack->getCurrentPane();
Chris@45:     if (currentPane) currentPane->zoom(true);
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::zoomOut()
Chris@45: {
Chris@45:     Pane *currentPane = m_paneStack->getCurrentPane();
Chris@45:     if (currentPane) currentPane->zoom(false);
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::zoomToFit()
Chris@45: {
Chris@45:     Pane *currentPane = m_paneStack->getCurrentPane();
Chris@45:     if (!currentPane) return;
Chris@45: 
Chris@45:     Model *model = getMainModel();
Chris@45:     if (!model) return;
Chris@45:     
Chris@45:     size_t start = model->getStartFrame();
Chris@45:     size_t end = model->getEndFrame();
Chris@60:     if (m_playSource) end = std::max(end, m_playSource->getPlayEndFrame());
Chris@45:     size_t pixels = currentPane->width();
Chris@45: 
Chris@45:     size_t sw = currentPane->getVerticalScaleWidth();
Chris@45:     if (pixels > sw * 2) pixels -= sw * 2;
Chris@45:     else pixels = 1;
Chris@45:     if (pixels > 4) pixels -= 4;
Chris@45: 
Chris@45:     size_t zoomLevel = (end - start) / pixels;
Chris@45: 
Chris@45:     currentPane->setZoomLevel(zoomLevel);
Chris@45:     currentPane->setCentreFrame((start + end) / 2);
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::zoomDefault()
Chris@45: {
Chris@45:     Pane *currentPane = m_paneStack->getCurrentPane();
Chris@45:     if (currentPane) currentPane->setZoomLevel(1024);
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::scrollLeft()
Chris@45: {
Chris@45:     Pane *currentPane = m_paneStack->getCurrentPane();
Chris@45:     if (currentPane) currentPane->scroll(false, false);
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::jumpLeft()
Chris@45: {
Chris@45:     Pane *currentPane = m_paneStack->getCurrentPane();
Chris@45:     if (currentPane) currentPane->scroll(false, true);
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::scrollRight()
Chris@45: {
Chris@45:     Pane *currentPane = m_paneStack->getCurrentPane();
Chris@45:     if (currentPane) currentPane->scroll(true, false);
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::jumpRight()
Chris@45: {
Chris@45:     Pane *currentPane = m_paneStack->getCurrentPane();
Chris@45:     if (currentPane) currentPane->scroll(true, true);
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::showNoOverlays()
Chris@45: {
Chris@45:     m_viewManager->setOverlayMode(ViewManager::NoOverlays);
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::showMinimalOverlays()
Chris@45: {
Chris@45:     m_viewManager->setOverlayMode(ViewManager::MinimalOverlays);
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::showStandardOverlays()
Chris@45: {
Chris@45:     m_viewManager->setOverlayMode(ViewManager::StandardOverlays);
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::showAllOverlays()
Chris@45: {
Chris@45:     m_viewManager->setOverlayMode(ViewManager::AllOverlays);
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::toggleZoomWheels()
Chris@45: {
Chris@45:     if (m_viewManager->getZoomWheelsEnabled()) {
Chris@45:         m_viewManager->setZoomWheelsEnabled(false);
Chris@45:     } else {
Chris@45:         m_viewManager->setZoomWheelsEnabled(true);
Chris@45:     }
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::togglePropertyBoxes()
Chris@45: {
Chris@45:     if (m_paneStack->getLayoutStyle() == PaneStack::NoPropertyStacks) {
Chris@45:         if (Preferences::getInstance()->getPropertyBoxLayout() ==
Chris@45:             Preferences::VerticallyStacked) {
Chris@45:             m_paneStack->setLayoutStyle(PaneStack::PropertyStackPerPaneLayout);
Chris@45:         } else {
Chris@45:             m_paneStack->setLayoutStyle(PaneStack::SinglePropertyStackLayout);
Chris@45:         }
Chris@45:     } else {
Chris@45:         m_paneStack->setLayoutStyle(PaneStack::NoPropertyStacks);
Chris@45:     }
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::toggleStatusBar()
Chris@45: {
Chris@45:     QSettings settings;
Chris@45:     settings.beginGroup("MainWindow");
Chris@45:     bool sb = settings.value("showstatusbar", true).toBool();
Chris@45: 
Chris@45:     if (sb) {
Chris@45:         statusBar()->hide();
Chris@45:     } else {
Chris@45:         statusBar()->show();
Chris@45:     }
Chris@45: 
Chris@45:     settings.setValue("showstatusbar", !sb);
Chris@45: 
Chris@45:     settings.endGroup();
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::preferenceChanged(PropertyContainer::PropertyName name)
Chris@45: {
Chris@45:     if (name == "Property Box Layout") {
Chris@45:         if (m_paneStack->getLayoutStyle() != PaneStack::NoPropertyStacks) {
Chris@45:             if (Preferences::getInstance()->getPropertyBoxLayout() ==
Chris@45:                 Preferences::VerticallyStacked) {
Chris@45:                 m_paneStack->setLayoutStyle(PaneStack::PropertyStackPerPaneLayout);
Chris@45:             } else {
Chris@45:                 m_paneStack->setLayoutStyle(PaneStack::SinglePropertyStackLayout);
Chris@45:             }
Chris@45:         }
Chris@45:     } else if (name == "Background Mode" && m_viewManager) {
Chris@45:         Preferences::BackgroundMode mode =
Chris@45:             Preferences::getInstance()->getBackgroundMode();
Chris@45:         if (mode == Preferences::BackgroundFromTheme) {
Chris@45:             m_viewManager->setGlobalDarkBackground(m_initialDarkBackground);
Chris@45:         } else if (mode == Preferences::DarkBackground) {
Chris@45:             m_viewManager->setGlobalDarkBackground(true);
Chris@45:         } else {
Chris@45:             m_viewManager->setGlobalDarkBackground(false);
Chris@45:         }
Chris@45:     }            
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::play()
Chris@45: {
Chris@45:     if (m_playSource->isPlaying()) {
Chris@45:         stop();
Chris@45:     } else {
Chris@45:         playbackFrameChanged(m_viewManager->getPlaybackFrame());
Chris@45: 	m_playSource->play(m_viewManager->getPlaybackFrame());
Chris@45:     }
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::ffwd()
Chris@45: {
Chris@45:     if (!getMainModel()) return;
Chris@45: 
Chris@45:     int frame = m_viewManager->getPlaybackFrame();
Chris@45:     ++frame;
Chris@45: 
Chris@100:     Pane *pane = m_paneStack->getCurrentPane();
Chris@45:     Layer *layer = getSnapLayer();
Chris@45:     size_t sr = getMainModel()->getSampleRate();
Chris@45: 
Chris@45:     if (!layer) {
Chris@45: 
Chris@45:         frame = RealTime::realTime2Frame
Chris@45:             (RealTime::frame2RealTime(frame, sr) + RealTime(2, 0), sr);
Chris@45:         if (frame > int(getMainModel()->getEndFrame())) {
Chris@45:             frame = getMainModel()->getEndFrame();
Chris@45:         }
Chris@45: 
Chris@45:     } else {
Chris@45: 
Chris@45:         size_t resolution = 0;
Chris@100:         if (layer->snapToFeatureFrame(m_paneStack->getCurrentPane(),
Chris@100:                                       frame, resolution, Layer::SnapRight)) {
Chris@100:             if (pane) frame = pane->alignToReference(frame);
Chris@100:         } else {
Chris@45:             frame = getMainModel()->getEndFrame();
Chris@45:         }
Chris@45:     }
Chris@45:         
Chris@45:     if (frame < 0) frame = 0;
Chris@45: 
Chris@45:     if (m_viewManager->getPlaySelectionMode()) {
Chris@45:         frame = m_viewManager->constrainFrameToSelection(size_t(frame));
Chris@45:     }
Chris@45:     
Chris@45:     m_viewManager->setPlaybackFrame(frame);
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::ffwdEnd()
Chris@45: {
Chris@45:     if (!getMainModel()) return;
Chris@45: 
Chris@45:     size_t frame = getMainModel()->getEndFrame();
Chris@45: 
Chris@45:     if (m_viewManager->getPlaySelectionMode()) {
Chris@45:         frame = m_viewManager->constrainFrameToSelection(frame);
Chris@45:     }
Chris@45: 
Chris@45:     m_viewManager->setPlaybackFrame(frame);
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::rewind()
Chris@45: {
Chris@45:     if (!getMainModel()) return;
Chris@45: 
Chris@45:     int frame = m_viewManager->getPlaybackFrame();
Chris@45:     if (frame > 0) --frame;
Chris@45: 
Chris@100:     Pane *pane = m_paneStack->getCurrentPane();
Chris@45:     Layer *layer = getSnapLayer();
Chris@45:     size_t sr = getMainModel()->getSampleRate();
Chris@45:     
Chris@45:     // when rewinding during playback, we want to allow a period
Chris@45:     // following a rewind target point at which the rewind will go to
Chris@45:     // the prior point instead of the immediately neighbouring one
Chris@45:     if (m_playSource && m_playSource->isPlaying()) {
Chris@45:         RealTime ct = RealTime::frame2RealTime(frame, sr);
Chris@45:         ct = ct - RealTime::fromSeconds(0.25);
Chris@45:         if (ct < RealTime::zeroTime) ct = RealTime::zeroTime;
Chris@45: //        std::cerr << "rewind: frame " << frame << " -> ";
Chris@45:         frame = RealTime::realTime2Frame(ct, sr);
Chris@45: //        std::cerr << frame << std::endl;
Chris@45:     }
Chris@45: 
Chris@45:     if (!layer) {
Chris@45:         
Chris@45:         frame = RealTime::realTime2Frame
Chris@45:             (RealTime::frame2RealTime(frame, sr) - RealTime(2, 0), sr);
Chris@45:         if (frame < int(getMainModel()->getStartFrame())) {
Chris@45:             frame = getMainModel()->getStartFrame();
Chris@45:         }
Chris@45: 
Chris@45:     } else {
Chris@45: 
Chris@45:         size_t resolution = 0;
Chris@100:         if (layer->snapToFeatureFrame(m_paneStack->getCurrentPane(),
Chris@100:                                       frame, resolution, Layer::SnapLeft)) {
Chris@100:             
Chris@100:             if (pane) frame = pane->alignToReference(frame);
Chris@100:         } else {
Chris@45:             frame = getMainModel()->getStartFrame();
Chris@45:         }
Chris@45:     }
Chris@45: 
Chris@45:     if (frame < 0) frame = 0;
Chris@45: 
Chris@45:     if (m_viewManager->getPlaySelectionMode()) {
Chris@45:         frame = m_viewManager->constrainFrameToSelection(size_t(frame));
Chris@45:     }
Chris@45: 
Chris@45:     m_viewManager->setPlaybackFrame(frame);
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::rewindStart()
Chris@45: {
Chris@45:     if (!getMainModel()) return;
Chris@45: 
Chris@45:     size_t frame = getMainModel()->getStartFrame();
Chris@45: 
Chris@45:     if (m_viewManager->getPlaySelectionMode()) {
Chris@45:         frame = m_viewManager->constrainFrameToSelection(frame);
Chris@45:     }
Chris@45: 
Chris@45:     m_viewManager->setPlaybackFrame(frame);
Chris@45: }
Chris@45: 
Chris@45: Layer *
Chris@45: MainWindowBase::getSnapLayer() const
Chris@45: {
Chris@45:     Pane *pane = m_paneStack->getCurrentPane();
Chris@45:     if (!pane) return 0;
Chris@45: 
Chris@45:     Layer *layer = pane->getSelectedLayer();
Chris@45: 
Chris@45:     if (!dynamic_cast<TimeInstantLayer *>(layer) &&
Chris@45:         !dynamic_cast<TimeValueLayer *>(layer) &&
Chris@45:         !dynamic_cast<TimeRulerLayer *>(layer)) {
Chris@45: 
Chris@45:         layer = 0;
Chris@45: 
Chris@45:         for (int i = pane->getLayerCount(); i > 0; --i) {
Chris@45:             Layer *l = pane->getLayer(i-1);
Chris@45:             if (dynamic_cast<TimeRulerLayer *>(l)) {
Chris@45:                 layer = l;
Chris@45:                 break;
Chris@45:             }
Chris@45:         }
Chris@45:     }
Chris@45: 
Chris@45:     return layer;
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::stop()
Chris@45: {
Chris@45:     m_playSource->stop();
Chris@45: 
Chris@45:     if (m_paneStack && m_paneStack->getCurrentPane()) {
Chris@45:         updateVisibleRangeDisplay(m_paneStack->getCurrentPane());
Chris@45:     } else {
Chris@45:         m_myStatusMessage = "";
Chris@45:         statusBar()->showMessage("");
Chris@45:     }
Chris@45: }
Chris@45: 
Chris@45: MainWindowBase::AddPaneCommand::AddPaneCommand(MainWindowBase *mw) :
Chris@45:     m_mw(mw),
Chris@45:     m_pane(0),
Chris@45:     m_prevCurrentPane(0),
Chris@45:     m_added(false)
Chris@45: {
Chris@45: }
Chris@45: 
Chris@45: MainWindowBase::AddPaneCommand::~AddPaneCommand()
Chris@45: {
Chris@45:     if (m_pane && !m_added) {
Chris@45: 	m_mw->m_paneStack->deletePane(m_pane);
Chris@45:     }
Chris@45: }
Chris@45: 
Chris@45: QString
Chris@45: MainWindowBase::AddPaneCommand::getName() const
Chris@45: {
Chris@45:     return tr("Add Pane");
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::AddPaneCommand::execute()
Chris@45: {
Chris@45:     if (!m_pane) {
Chris@45: 	m_prevCurrentPane = m_mw->m_paneStack->getCurrentPane();
Chris@45: 	m_pane = m_mw->m_paneStack->addPane();
Chris@45: 
Chris@45:         connect(m_pane, SIGNAL(contextHelpChanged(const QString &)),
Chris@45:                 m_mw, SLOT(contextHelpChanged(const QString &)));
Chris@45:     } else {
Chris@45: 	m_mw->m_paneStack->showPane(m_pane);
Chris@45:     }
Chris@45: 
Chris@45:     m_mw->m_paneStack->setCurrentPane(m_pane);
Chris@45:     m_added = true;
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::AddPaneCommand::unexecute()
Chris@45: {
Chris@45:     m_mw->m_paneStack->hidePane(m_pane);
Chris@45:     m_mw->m_paneStack->setCurrentPane(m_prevCurrentPane);
Chris@45:     m_added = false;
Chris@45: }
Chris@45: 
Chris@45: MainWindowBase::RemovePaneCommand::RemovePaneCommand(MainWindowBase *mw, Pane *pane) :
Chris@45:     m_mw(mw),
Chris@45:     m_pane(pane),
Chris@45:     m_added(true)
Chris@45: {
Chris@45: }
Chris@45: 
Chris@45: MainWindowBase::RemovePaneCommand::~RemovePaneCommand()
Chris@45: {
Chris@45:     if (m_pane && !m_added) {
Chris@45: 	m_mw->m_paneStack->deletePane(m_pane);
Chris@45:     }
Chris@45: }
Chris@45: 
Chris@45: QString
Chris@45: MainWindowBase::RemovePaneCommand::getName() const
Chris@45: {
Chris@45:     return tr("Remove Pane");
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::RemovePaneCommand::execute()
Chris@45: {
Chris@45:     m_prevCurrentPane = m_mw->m_paneStack->getCurrentPane();
Chris@45:     m_mw->m_paneStack->hidePane(m_pane);
Chris@45:     m_added = false;
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::RemovePaneCommand::unexecute()
Chris@45: {
Chris@45:     m_mw->m_paneStack->showPane(m_pane);
Chris@45:     m_mw->m_paneStack->setCurrentPane(m_prevCurrentPane);
Chris@45:     m_added = true;
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::deleteCurrentPane()
Chris@45: {
Chris@45:     CommandHistory::getInstance()->startCompoundOperation
Chris@45: 	(tr("Delete Pane"), true);
Chris@45: 
Chris@45:     Pane *pane = m_paneStack->getCurrentPane();
Chris@45:     if (pane) {
Chris@45: 	while (pane->getLayerCount() > 0) {
Chris@45: 	    Layer *layer = pane->getLayer(0);
Chris@45: 	    if (layer) {
Chris@45: 		m_document->removeLayerFromView(pane, layer);
Chris@45: 	    } else {
Chris@45: 		break;
Chris@45: 	    }
Chris@45: 	}
Chris@45: 
Chris@45: 	RemovePaneCommand *command = new RemovePaneCommand(this, pane);
Chris@45: 	CommandHistory::getInstance()->addCommand(command);
Chris@45:     }
Chris@45: 
Chris@45:     CommandHistory::getInstance()->endCompoundOperation();
Chris@45: 
Chris@45:     updateMenuStates();
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::deleteCurrentLayer()
Chris@45: {
Chris@45:     Pane *pane = m_paneStack->getCurrentPane();
Chris@45:     if (pane) {
Chris@45: 	Layer *layer = pane->getSelectedLayer();
Chris@45: 	if (layer) {
Chris@45: 	    m_document->removeLayerFromView(pane, layer);
Chris@45: 	}
Chris@45:     }
Chris@45:     updateMenuStates();
Chris@45: }
Chris@45: 
Chris@45: void
Chris@100: MainWindowBase::previousPane()
Chris@100: {
Chris@100:     if (!m_paneStack) return;
Chris@100: 
Chris@100:     Pane *currentPane = m_paneStack->getCurrentPane();
Chris@100:     if (!currentPane) return;
Chris@100: 
Chris@100:     for (int i = 0; i < m_paneStack->getPaneCount(); ++i) {
Chris@100:         if (m_paneStack->getPane(i) == currentPane) {
Chris@100:             if (i == 0) return;
Chris@100:             m_paneStack->setCurrentPane(m_paneStack->getPane(i-1));
Chris@100:             updateMenuStates();
Chris@100:             return;
Chris@100:         }
Chris@100:     }
Chris@100: }
Chris@100: 
Chris@100: void
Chris@100: MainWindowBase::nextPane()
Chris@100: {
Chris@100:     if (!m_paneStack) return;
Chris@100: 
Chris@100:     Pane *currentPane = m_paneStack->getCurrentPane();
Chris@100:     if (!currentPane) return;
Chris@100: 
Chris@100:     for (int i = 0; i < m_paneStack->getPaneCount(); ++i) {
Chris@100:         if (m_paneStack->getPane(i) == currentPane) {
Chris@100:             if (i == m_paneStack->getPaneCount()-1) return;
Chris@100:             m_paneStack->setCurrentPane(m_paneStack->getPane(i+1));
Chris@100:             updateMenuStates();
Chris@100:             return;
Chris@100:         }
Chris@100:     }
Chris@100: }
Chris@100: 
Chris@100: void
Chris@100: MainWindowBase::previousLayer()
Chris@100: {
Chris@100:     //!!! Not right -- pane lists layers in stacking order
Chris@100: 
Chris@100:     if (!m_paneStack) return;
Chris@100: 
Chris@100:     Pane *currentPane = m_paneStack->getCurrentPane();
Chris@100:     if (!currentPane) return;
Chris@100: 
Chris@100:     Layer *currentLayer = currentPane->getSelectedLayer();
Chris@100:     if (!currentLayer) return;
Chris@100: 
Chris@100:     for (int i = 0; i < currentPane->getLayerCount(); ++i) {
Chris@100:         if (currentPane->getLayer(i) == currentLayer) {
Chris@100:             if (i == 0) return;
Chris@100:             m_paneStack->setCurrentLayer(currentPane,
Chris@100:                                          currentPane->getLayer(i-1));
Chris@100:             updateMenuStates();
Chris@100:             return;
Chris@100:         }
Chris@100:     }
Chris@100: }
Chris@100: 
Chris@100: void
Chris@100: MainWindowBase::nextLayer()
Chris@100: {
Chris@100:     //!!! Not right -- pane lists layers in stacking order
Chris@100: 
Chris@100:     if (!m_paneStack) return;
Chris@100: 
Chris@100:     Pane *currentPane = m_paneStack->getCurrentPane();
Chris@100:     if (!currentPane) return;
Chris@100: 
Chris@100:     Layer *currentLayer = currentPane->getSelectedLayer();
Chris@100:     if (!currentLayer) return;
Chris@100: 
Chris@100:     for (int i = 0; i < currentPane->getLayerCount(); ++i) {
Chris@100:         if (currentPane->getLayer(i) == currentLayer) {
Chris@100:             if (i == currentPane->getLayerCount()-1) return;
Chris@100:             m_paneStack->setCurrentLayer(currentPane,
Chris@100:                                          currentPane->getLayer(i+1));
Chris@100:             updateMenuStates();
Chris@100:             return;
Chris@100:         }
Chris@100:     }
Chris@100: }
Chris@100: 
Chris@100: void
Chris@45: MainWindowBase::playbackFrameChanged(unsigned long frame)
Chris@45: {
Chris@45:     if (!(m_playSource && m_playSource->isPlaying()) || !getMainModel()) return;
Chris@45: 
Chris@45:     RealTime now = RealTime::frame2RealTime
Chris@45:         (frame, getMainModel()->getSampleRate());
Chris@45: 
Chris@45:     if (now.sec == m_lastPlayStatusSec) return;
Chris@45: 
Chris@45:     RealTime then = RealTime::frame2RealTime
Chris@45:         (m_playSource->getPlayEndFrame(), getMainModel()->getSampleRate());
Chris@45: 
Chris@45:     QString nowStr;
Chris@45:     QString thenStr;
Chris@45:     QString remainingStr;
Chris@45: 
Chris@45:     if (then.sec > 10) {
Chris@45:         nowStr = now.toSecText().c_str();
Chris@45:         thenStr = then.toSecText().c_str();
Chris@45:         remainingStr = (then - now).toSecText().c_str();
Chris@45:         m_lastPlayStatusSec = now.sec;
Chris@45:     } else {
Chris@45:         nowStr = now.toText(true).c_str();
Chris@45:         thenStr = then.toText(true).c_str();
Chris@45:         remainingStr = (then - now).toText(true).c_str();
Chris@45:     }        
Chris@45: 
Chris@45:     m_myStatusMessage = tr("Playing: %1 of %2 (%3 remaining)")
Chris@45:         .arg(nowStr).arg(thenStr).arg(remainingStr);
Chris@45: 
Chris@45:     statusBar()->showMessage(m_myStatusMessage);
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::globalCentreFrameChanged(unsigned long )
Chris@45: {
Chris@45:     if ((m_playSource && m_playSource->isPlaying()) || !getMainModel()) return;
Chris@45:     Pane *p = 0;
Chris@45:     if (!m_paneStack || !(p = m_paneStack->getCurrentPane())) return;
Chris@45:     if (!p->getFollowGlobalPan()) return;
Chris@45:     updateVisibleRangeDisplay(p);
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::viewCentreFrameChanged(View *v, unsigned long )
Chris@45: {
Chris@45:     if ((m_playSource && m_playSource->isPlaying()) || !getMainModel()) return;
Chris@45:     Pane *p = 0;
Chris@45:     if (!m_paneStack || !(p = m_paneStack->getCurrentPane())) return;
Chris@45:     if (v == p) updateVisibleRangeDisplay(p);
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::viewZoomLevelChanged(View *v, unsigned long , bool )
Chris@45: {
Chris@45:     if ((m_playSource && m_playSource->isPlaying()) || !getMainModel()) return;
Chris@45:     Pane *p = 0;
Chris@45:     if (!m_paneStack || !(p = m_paneStack->getCurrentPane())) return;
Chris@45:     if (v == p) updateVisibleRangeDisplay(p);
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::layerAdded(Layer *)
Chris@45: {
Chris@45: //    std::cerr << "MainWindowBase::layerAdded(" << layer << ")" << std::endl;
Chris@45:     updateMenuStates();
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::layerRemoved(Layer *)
Chris@45: {
Chris@45: //    std::cerr << "MainWindowBase::layerRemoved(" << layer << ")" << std::endl;
Chris@45:     updateMenuStates();
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::layerAboutToBeDeleted(Layer *layer)
Chris@45: {
Chris@45: //    std::cerr << "MainWindowBase::layerAboutToBeDeleted(" << layer << ")" << std::endl;
Chris@47:     if (m_timeRulerLayer && (layer == m_timeRulerLayer)) {
Chris@45: //	std::cerr << "(this is the time ruler layer)" << std::endl;
Chris@45: 	m_timeRulerLayer = 0;
Chris@45:     }
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::layerInAView(Layer *layer, bool inAView)
Chris@45: {
Chris@45: //    std::cerr << "MainWindowBase::layerInAView(" << layer << "," << inAView << ")" << std::endl;
Chris@45: 
Chris@45:     // Check whether we need to add or remove model from play source
Chris@45:     Model *model = layer->getModel();
Chris@45:     if (model) {
Chris@45:         if (inAView) {
Chris@45:             m_playSource->addModel(model);
Chris@45:         } else {
Chris@45:             bool found = false;
Chris@45:             for (int i = 0; i < m_paneStack->getPaneCount(); ++i) {
Chris@45:                 Pane *pane = m_paneStack->getPane(i);
Chris@45:                 if (!pane) continue;
Chris@45:                 for (int j = 0; j < pane->getLayerCount(); ++j) {
Chris@45:                     Layer *pl = pane->getLayer(j);
Chris@45:                     if (pl && pl->getModel() == model) {
Chris@45:                         found = true;
Chris@45:                         break;
Chris@45:                     }
Chris@45:                 }
Chris@45:                 if (found) break;
Chris@45:             }
Chris@45:             if (!found) m_playSource->removeModel(model);
Chris@45:         }
Chris@45:     }
Chris@45: 
Chris@45:     updateMenuStates();
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::modelAdded(Model *model)
Chris@45: {
Chris@45: //    std::cerr << "MainWindowBase::modelAdded(" << model << ")" << std::endl;
Chris@45:     m_playSource->addModel(model);
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::mainModelChanged(WaveFileModel *model)
Chris@45: {
Chris@45: //    std::cerr << "MainWindowBase::mainModelChanged(" << model << ")" << std::endl;
Chris@45:     updateDescriptionLabel();
Chris@45:     if (model) m_viewManager->setMainModelSampleRate(model->getSampleRate());
Chris@45:     if (model && !m_playTarget && m_audioOutput) createPlayTarget();
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::modelAboutToBeDeleted(Model *model)
Chris@45: {
Chris@45: //    std::cerr << "MainWindowBase::modelAboutToBeDeleted(" << model << ")" << std::endl;
Chris@45:     if (model == m_viewManager->getPlaybackModel()) {
Chris@45:         m_viewManager->setPlaybackModel(0);
Chris@45:     }
Chris@45:     m_playSource->removeModel(model);
Chris@45:     FFTDataServer::modelAboutToBeDeleted(model);
Chris@45: }
Chris@45: 
Chris@45: void
Chris@55: MainWindowBase::paneDeleteButtonClicked(Pane *pane)
Chris@55: {
Chris@55:     bool found = false;
Chris@55:     for (int i = 0; i < m_paneStack->getPaneCount(); ++i) {
Chris@55:         if (m_paneStack->getPane(i) == pane) {
Chris@55:             found = true;
Chris@55:             break;
Chris@55:         }
Chris@55:     }
Chris@55:     if (!found) {
Chris@55:         std::cerr << "MainWindowBase::paneDeleteButtonClicked: Unknown pane "
Chris@55:                   << pane << std::endl;
Chris@55:         return;
Chris@55:     }
Chris@55: 
Chris@55:     CommandHistory::getInstance()->startCompoundOperation
Chris@55: 	(tr("Delete Pane"), true);
Chris@55: 
Chris@55:     while (pane->getLayerCount() > 0) {
Chris@55:         Layer *layer = pane->getLayer(0);
Chris@55:         if (layer) {
Chris@55:             m_document->removeLayerFromView(pane, layer);
Chris@55:         } else {
Chris@55:             break;
Chris@55:         }
Chris@55:     }
Chris@55: 
Chris@55:     RemovePaneCommand *command = new RemovePaneCommand(this, pane);
Chris@55:     CommandHistory::getInstance()->addCommand(command);
Chris@55: 
Chris@55:     CommandHistory::getInstance()->endCompoundOperation();
Chris@55: 
Chris@55:     updateMenuStates();
Chris@55: }
Chris@55: 
Chris@55: void
Chris@45: MainWindowBase::pollOSC()
Chris@45: {
Chris@45:     if (!m_oscQueue || m_oscQueue->isEmpty()) return;
Chris@45:     std::cerr << "MainWindowBase::pollOSC: have " << m_oscQueue->getMessagesAvailable() << " messages" << std::endl;
Chris@45: 
Chris@45:     if (m_openingAudioFile) return;
Chris@45: 
Chris@45:     OSCMessage message = m_oscQueue->readMessage();
Chris@45: 
Chris@45:     if (message.getTarget() != 0) {
Chris@45:         return; //!!! for now -- this class is target 0, others not handled yet
Chris@45:     }
Chris@45: 
Chris@45:     handleOSCMessage(message);
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::inProgressSelectionChanged()
Chris@45: {
Chris@45:     Pane *currentPane = 0;
Chris@45:     if (m_paneStack) currentPane = m_paneStack->getCurrentPane();
Chris@45:     if (currentPane) updateVisibleRangeDisplay(currentPane);
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::contextHelpChanged(const QString &s)
Chris@45: {
Chris@45:     if (s == "" && m_myStatusMessage != "") {
Chris@45:         statusBar()->showMessage(m_myStatusMessage);
Chris@45:         return;
Chris@45:     }
Chris@45:     statusBar()->showMessage(s);
Chris@45: }
Chris@45: 
Chris@45: void
Chris@45: MainWindowBase::openHelpUrl(QString url)
Chris@45: {
Chris@45:     // This method mostly lifted from Qt Assistant source code
Chris@45: 
Chris@45:     QProcess *process = new QProcess(this);
Chris@45:     connect(process, SIGNAL(finished(int)), process, SLOT(deleteLater()));
Chris@45: 
Chris@45:     QStringList args;
Chris@45: 
Chris@45: #ifdef Q_OS_MAC
Chris@45:     args.append(url);
Chris@45:     process->start("open", args);
Chris@45: #else
Chris@45: #ifdef Q_OS_WIN32
Chris@45: 
Chris@45: 	QString pf(getenv("ProgramFiles"));
Chris@45: 	QString command = pf + QString("\\Internet Explorer\\IEXPLORE.EXE");
Chris@45: 
Chris@45: 	args.append(url);
Chris@45: 	process->start(command, args);
Chris@45: 
Chris@45: #else
Chris@45: #ifdef Q_WS_X11
Chris@45:     if (!qgetenv("KDE_FULL_SESSION").isEmpty()) {
Chris@45:         args.append("exec");
Chris@45:         args.append(url);
Chris@45:         process->start("kfmclient", args);
Chris@45:     } else if (!qgetenv("BROWSER").isEmpty()) {
Chris@45:         args.append(url);
Chris@45:         process->start(qgetenv("BROWSER"), args);
Chris@45:     } else {
Chris@45:         args.append(url);
Chris@45:         process->start("firefox", args);
Chris@45:     }
Chris@45: #endif
Chris@45: #endif
Chris@45: #endif
Chris@45: }
Chris@45: