Clipboard support and various bug fixes

Editor/EditorWidget.cpp

@@ -91,8 +91,22 @@ void FieldDoubleSlider::doValueChanged(int value)
 }
 
 FieldProjectNode::FieldProjectNode(ProjectModel::CollectionNode* collection, QWidget* parent)
-: FieldComboBox(parent)
+: QWidget(parent), m_comboBox(this), m_button(this)
 {
+    m_button.setDisabled(true);
+    m_button.setFixedSize(30, 30);
+    m_comboBox.setFixedHeight(30);
+    connect(&m_comboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(_currentIndexChanged(int)));
+    connect(&m_button, SIGNAL(clicked(bool)), this, SLOT(openCurrent()));
+    QIcon icon(QStringLiteral(":/icons/IconForward.svg"));
+    icon.addFile(QStringLiteral(":/icons/IconForwardDisabled.svg"), {}, QIcon::Disabled);
+    m_button.setIcon(icon);
+    QHBoxLayout* layout = new QHBoxLayout;
+    layout->setContentsMargins({});
+    layout->setSpacing(0);
+    layout->addWidget(&m_comboBox);
+    layout->addWidget(&m_button);
+    setLayout(layout);
     setCollection(collection);
 }
 
@@ -102,18 +116,65 @@ void FieldProjectNode::setCollection(ProjectModel::CollectionNode* collection)
 
     if (!collection)
     {
-        setModel(new QStandardItemModel(0, 1, this));
+        m_comboBox.setModel(new QStandardItemModel(0, 1, this));
+        m_button.setDisabled(true);
         return;
     }
 
     ProjectModel* model = g_MainWindow->projectModel();
-    setModel(model->getNullProxy());
-    setRootModelIndex(model->getNullProxy()->mapFromSource(model->index(collection)));
+    m_comboBox.setModel(model->getNullProxy());
+    m_comboBox.setRootModelIndex(model->getNullProxy()->mapFromSource(model->index(collection)));
+}
+
+void FieldProjectNode::_currentIndexChanged(int index)
+{
+    m_button.setEnabled(index != 0);
+    emit currentIndexChanged(index);
+}
+
+ProjectModel::BasePoolObjectNode* FieldProjectNode::currentNode() const
+{
+    int index = m_comboBox.currentIndex();
+    if (index == 0)
+        return nullptr;
+    else
+        return m_collection->nodeOfIndex(index - 1);
+}
+
+bool FieldProjectNode::event(QEvent* ev)
+{
+    if (ev->type() == QEvent::User)
+    {
+        showPopup();
+        return true;
+    }
+    return QWidget::event(ev);
+}
+
+void FieldProjectNode::openCurrent()
+{
+    if (ProjectModel::BasePoolObjectNode* node = currentNode())
+        if (!g_MainWindow->isUiDisabled())
+            g_MainWindow->openEditor(node);
 }
 
 FieldPageObjectNode::FieldPageObjectNode(ProjectModel::GroupNode* group, QWidget* parent)
-: FieldComboBox(parent)
+: QWidget(parent), m_comboBox(this), m_button(this)
 {
+    m_button.setDisabled(true);
+    m_button.setFixedSize(30, 30);
+    m_comboBox.setFixedHeight(30);
+    connect(&m_comboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(_currentIndexChanged(int)));
+    connect(&m_button, SIGNAL(clicked(bool)), this, SLOT(openCurrent()));
+    QIcon icon(QStringLiteral(":/icons/IconForward.svg"));
+    icon.addFile(QStringLiteral(":/icons/IconForwardDisabled.svg"), {}, QIcon::Disabled);
+    m_button.setIcon(icon);
+    QHBoxLayout* layout = new QHBoxLayout;
+    layout->setContentsMargins({});
+    layout->setSpacing(0);
+    layout->addWidget(&m_comboBox);
+    layout->addWidget(&m_button);
+    setLayout(layout);
     setGroup(group);
 }
 
@@ -123,13 +184,53 @@ void FieldPageObjectNode::setGroup(ProjectModel::GroupNode* group)
 
     if (!group)
     {
-        setModel(new QStandardItemModel(0, 1, this));
+        m_comboBox.setModel(new QStandardItemModel(0, 1, this));
+        m_button.setDisabled(true);
         return;
     }
 
     ProjectModel* model = g_MainWindow->projectModel();
-    setModel(model->getPageObjectProxy());
-    setRootModelIndex(model->getPageObjectProxy()->mapFromSource(model->index(group)));
+    m_comboBox.setModel(model->getPageObjectProxy());
+    m_comboBox.setRootModelIndex(model->getPageObjectProxy()->mapFromSource(model->index(group)));
+}
+
+void FieldPageObjectNode::_currentIndexChanged(int index)
+{
+    m_button.setEnabled(index != 0);
+    emit currentIndexChanged(index);
+}
+
+ProjectModel::BasePoolObjectNode* FieldPageObjectNode::currentNode() const
+{
+    int index = m_comboBox.currentIndex();
+    if (index == 0)
+    {
+        return nullptr;
+    }
+    else
+    {
+        ProjectModel* model = g_MainWindow->projectModel();
+        return static_cast<ProjectModel::BasePoolObjectNode*>(
+            model->node(model->getPageObjectProxy()->mapToSource(
+                model->getPageObjectProxy()->index(index, 0, m_comboBox.rootModelIndex()))));
+    }
+}
+
+bool FieldPageObjectNode::event(QEvent* ev)
+{
+    if (ev->type() == QEvent::User)
+    {
+        showPopup();
+        return true;
+    }
+    return QWidget::event(ev);
+}
+
+void FieldPageObjectNode::openCurrent()
+{
+    if (ProjectModel::BasePoolObjectNode* node = currentNode())
+        if (!g_MainWindow->isUiDisabled())
+            g_MainWindow->openEditor(node);
 }
 
 AddRemoveButtons::AddRemoveButtons(QWidget* parent)

Editor/EditorWidget.hpp

@@ -23,7 +23,7 @@ public:
     virtual void unloadData() {}
     virtual ProjectModel::INode* currentNode() const { return nullptr; }
     virtual void setEditorEnabled(bool en) { setEnabled(en); }
-    virtual bool isItemEditEnabled() const { return false; }
+    virtual AmuseItemEditFlags itemEditFlags() const { return AmuseItemNone; }
 public slots:
     virtual void itemCutAction() {}
     virtual void itemCopyAction() {}
@@ -125,24 +125,51 @@ public:
     void wheelEvent(QWheelEvent* event) { event->ignore(); }
 };
 
-class FieldProjectNode : public FieldComboBox
+class FieldProjectNode : public QWidget
 {
     Q_OBJECT
     ProjectModel::CollectionNode* m_collection;
+    FieldComboBox m_comboBox;
+    QPushButton m_button;
 public:
     explicit FieldProjectNode(ProjectModel::CollectionNode* collection = Q_NULLPTR, QWidget* parent = Q_NULLPTR);
     void setCollection(ProjectModel::CollectionNode* collection);
     ProjectModel::CollectionNode* collection() const { return m_collection; }
+    int currentIndex() const { return m_comboBox.currentIndex(); }
+    void setCurrentIndex(int index) { m_comboBox.setCurrentIndex(index); }
+    void showPopup() { m_comboBox.showPopup(); }
+    ProjectModel::BasePoolObjectNode* currentNode() const;
+    bool event(QEvent* ev);
+private slots:
+    void _currentIndexChanged(int);
+public slots:
+    void openCurrent();
+signals:
+    void currentIndexChanged(int);
 };
 
-class FieldPageObjectNode : public FieldComboBox
+class FieldPageObjectNode : public QWidget
 {
     Q_OBJECT
     ProjectModel::GroupNode* m_group;
+    FieldComboBox m_comboBox;
+    QPushButton m_button;
 public:
     explicit FieldPageObjectNode(ProjectModel::GroupNode* group = Q_NULLPTR, QWidget* parent = Q_NULLPTR);
     void setGroup(ProjectModel::GroupNode* group);
     ProjectModel::GroupNode* group() const { return m_group; }
+    int currentIndex() const { return m_comboBox.currentIndex(); }
+    void setCurrentIndex(int index) { m_comboBox.setCurrentIndex(index); }
+    QModelIndex rootModelIndex() const { return m_comboBox.rootModelIndex(); }
+    void showPopup() { m_comboBox.showPopup(); }
+    ProjectModel::BasePoolObjectNode* currentNode() const;
+    bool event(QEvent* ev);
+private slots:
+    void _currentIndexChanged(int);
+public slots:
+    void openCurrent();
+signals:
+    void currentIndexChanged(int);
 };
 
 template <class T>

Editor/LayersEditor.cpp

@@ -118,7 +118,7 @@ void SoundMacroDelegate::setEditorData(QWidget* editor, const QModelIndex& index
     ProjectModel::CollectionNode* smColl = group->getCollectionOfType(ProjectModel::INode::Type::SoundMacro);
     static_cast<EditorFieldProjectNode*>(editor)->setCurrentIndex(smColl->indexOfId(layer.macro.id) + 1);
     if (static_cast<EditorFieldProjectNode*>(editor)->shouldPopupOpen())
-        static_cast<EditorFieldProjectNode*>(editor)->showPopup();
+        QApplication::postEvent(editor, new QEvent(QEvent::User));
 }
 
 void SoundMacroDelegate::setModelData(QWidget* editor, QAbstractItemModel* m, const QModelIndex& index) const
@@ -636,24 +636,9 @@ void LayersEditor::doSelectionChanged()
     g_MainWindow->updateFocus();
 }
 
-bool LayersEditor::isItemEditEnabled() const
+AmuseItemEditFlags LayersEditor::itemEditFlags() const
 {
-    return !m_tableView.selectionModel()->selectedRows().isEmpty();
-}
-
-void LayersEditor::itemCutAction()
-{
-
-}
-
-void LayersEditor::itemCopyAction()
-{
-
-}
-
-void LayersEditor::itemPasteAction()
-{
-
+    return m_tableView.selectionModel()->selectedRows().isEmpty() ? AmuseItemNone : AmuseItemDelete;
 }
 
 void LayersEditor::itemDeleteAction()

Editor/LayersEditor.hpp

@@ -78,14 +78,10 @@ public:
     void unloadData();
     ProjectModel::INode* currentNode() const;
     void resizeEvent(QResizeEvent* ev);
-    bool isItemEditEnabled() const;
+    AmuseItemEditFlags itemEditFlags() const;
 public slots:
     void doAdd();
     void doSelectionChanged();
-
-    void itemCutAction();
-    void itemCopyAction();
-    void itemPasteAction();
     void itemDeleteAction();
 };
 

Editor/MIDIReader.cpp

@@ -6,6 +6,9 @@ MIDIReader::MIDIReader(amuse::Engine& engine, bool useLock)
 
 void MIDIReader::noteOff(uint8_t chan, uint8_t key, uint8_t velocity)
 {
+    if (g_MainWindow->m_interactiveSeq)
+        g_MainWindow->m_interactiveSeq->keyOff(chan, key, velocity);
+
     auto keySearch = m_chanVoxs.find(key);
     if (keySearch == m_chanVoxs.cend())
         return;
@@ -19,6 +22,9 @@ void MIDIReader::noteOff(uint8_t chan, uint8_t key, uint8_t velocity)
 
 void MIDIReader::noteOn(uint8_t chan, uint8_t key, uint8_t velocity)
 {
+    if (g_MainWindow->m_interactiveSeq)
+        g_MainWindow->m_interactiveSeq->keyOn(chan, key, velocity);
+
     if (m_lastVoice && m_lastVoice->isDestroyed())
         m_lastVoice.reset();
 
@@ -48,13 +54,19 @@ void MIDIReader::noteOn(uint8_t chan, uint8_t key, uint8_t velocity)
 
     amuse::ObjToken<amuse::Voice> newVox = g_MainWindow->startEditorVoice(key, velocity);
     if (newVox)
+    {
         m_chanVoxs[key] = newVox;
+        m_lastVoice = newVox;
+    }
 }
 
 void MIDIReader::notePressure(uint8_t /*chan*/, uint8_t /*key*/, uint8_t /*pressure*/) {}
 
 void MIDIReader::controlChange(uint8_t chan, uint8_t control, uint8_t value)
 {
+    if (g_MainWindow->m_interactiveSeq)
+        g_MainWindow->m_interactiveSeq->setCtrlValue(chan, control, value);
+
     if (control == 1)
     {
         g_MainWindow->m_ui.modulationSlider->setValue(int(value));
@@ -71,17 +83,28 @@ void MIDIReader::controlChange(uint8_t chan, uint8_t control, uint8_t value)
     g_MainWindow->m_ctrlVals[control] = value;
 }
 
-void MIDIReader::programChange(uint8_t chan, uint8_t program) {}
+void MIDIReader::programChange(uint8_t chan, uint8_t program)
+{
+    if (g_MainWindow->m_interactiveSeq)
+        g_MainWindow->m_interactiveSeq->setChanProgram(chan, program);
+}
 
 void MIDIReader::channelPressure(uint8_t /*chan*/, uint8_t /*pressure*/) {}
 
 void MIDIReader::pitchBend(uint8_t chan, int16_t pitch)
 {
-    g_MainWindow->m_ui.pitchSlider->setValue(int((pitch - 0x2000) / float(0x2000) * 2048.f));
+    float pWheel = (pitch - 0x2000) / float(0x2000);
+    if (g_MainWindow->m_interactiveSeq)
+        g_MainWindow->m_interactiveSeq->setPitchWheel(chan, pWheel);
+    else
+        g_MainWindow->m_ui.pitchSlider->setValue(int(pWheel * 2048.f));
 }
 
 void MIDIReader::allSoundOff(uint8_t chan)
 {
+    if (g_MainWindow->m_interactiveSeq)
+        g_MainWindow->m_interactiveSeq->kill();
+
     for (auto& v : m_engine.getActiveVoices())
         v->kill();
 }
@@ -92,6 +115,9 @@ void MIDIReader::localControl(uint8_t /*chan*/, bool /*on*/) {}
 
 void MIDIReader::allNotesOff(uint8_t chan)
 {
+    if (g_MainWindow->m_interactiveSeq)
+        g_MainWindow->m_interactiveSeq->kill();
+
     for (auto& v : m_engine.getActiveVoices())
         v->kill();
 }

Editor/MainWindow.cpp

@@ -5,6 +5,7 @@
 #include <QInputDialog>
 #include <QProgressDialog>
 #include <QMouseEvent>
+#include <QClipboard>
 #include <QtSvg/QtSvg>
 #include "amuse/ContainerRegistry.hpp"
 #include "Common.hpp"
@@ -21,6 +22,7 @@
 
 MainWindow::MainWindow(QWidget* parent)
 : QMainWindow(parent),
+  m_navIt(m_navList.begin()),
   m_treeDelegate(*this, this),
   m_mainMessenger(this),
   m_filterProjectModel(this),
@@ -41,6 +43,17 @@ MainWindow::MainWindow(QWidget* parent)
     m_ui.projectOutline->setItemDelegate(&m_treeDelegate);
     connect(m_ui.projectOutline, SIGNAL(activated(const QModelIndex&)),
             this, SLOT(outlineItemActivated(const QModelIndex&)));
+    m_goBack = new QAction(m_ui.backButton->icon(), tr("Go Back"), this);
+    m_goBack->setEnabled(false);
+    connect(m_goBack, SIGNAL(triggered()), this, SLOT(goBack()));
+    m_goBack->setShortcut(QKeySequence::Back);
+    m_ui.backButton->setDefaultAction(m_goBack);
+    m_goForward = new QAction(m_ui.forwardButton->icon(), tr("Go Forward"), this);
+    m_goForward->setEnabled(false);
+    connect(m_goForward, SIGNAL(triggered()), this, SLOT(goForward()));
+    m_goForward->setShortcut(QKeySequence::Forward);
+    m_ui.forwardButton->setDefaultAction(m_goForward);
+
     connectMessenger(&m_mainMessenger, Qt::DirectConnection);
 
     m_ui.statusbar->connectKillClicked(this, SLOT(killSounds()));
@@ -71,6 +84,10 @@ MainWindow::MainWindow(QWidget* parent)
     connect(m_ui.actionImport_Groups, SIGNAL(triggered()), this, SLOT(importAction()));
     connect(m_ui.actionImport_Songs, SIGNAL(triggered()), this, SLOT(importSongsAction()));
     connect(m_ui.actionExport_GameCube_Groups, SIGNAL(triggered()), this, SLOT(exportAction()));
+    connect(m_ui.actionImport_C_Headers, SIGNAL(triggered()), this, SLOT(importHeadersAction()));
+    connect(m_ui.actionExport_C_Headers, SIGNAL(triggered()), this, SLOT(exportHeadersAction()));
+    m_ui.actionQuit->setShortcut(QKeySequence::Quit);
+    connect(m_ui.actionQuit, SIGNAL(triggered()), qApp, SLOT(quit()));
 
     for (int i = 0; i < MaxRecentFiles; ++i)
     {
@@ -84,21 +101,16 @@ MainWindow::MainWindow(QWidget* parent)
     connect(m_clearRecentFileAct, SIGNAL(triggered()), this, SLOT(clearRecentFilesAction()));
     m_ui.menuRecent_Projects->addAction(m_clearRecentFileAct);
 
-#ifndef __APPLE__
-    m_ui.menuFile->addSeparator();
-    QAction* quitAction = m_ui.menuFile->addAction(tr("Quit"));
-    quitAction->setShortcut(QKeySequence::Quit);
-    connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
-#endif
-
     updateRecentFileActions();
 
     connect(m_undoStack, SIGNAL(cleanChanged(bool)), this, SLOT(cleanChanged(bool)));
     QAction* undoAction = m_undoStack->createUndoAction(this);
     undoAction->setShortcut(QKeySequence::Undo);
+    undoAction->setIcon(QIcon::fromTheme(QStringLiteral("edit-undo")));
     m_ui.menuEdit->insertAction(m_ui.actionCut, undoAction);
     QAction* redoAction = m_undoStack->createRedoAction(this);
     redoAction->setShortcut(QKeySequence::Redo);
+    redoAction->setIcon(QIcon::fromTheme(QStringLiteral("edit-redo")));
     m_ui.menuEdit->insertAction(m_ui.actionCut, redoAction);
     m_ui.menuEdit->insertSeparator(m_ui.actionCut);
     m_ui.actionCut->setShortcut(QKeySequence::Cut);
@@ -153,6 +165,7 @@ MainWindow::MainWindow(QWidget* parent)
     connect(m_ui.menuMIDI, SIGNAL(aboutToShow()), this, SLOT(aboutToShowMIDIIOMenu()));
 
     connect(qApp, SIGNAL(focusChanged(QWidget*,QWidget*)), this, SLOT(onFocusChanged(QWidget*,QWidget*)));
+    connect(QGuiApplication::clipboard(), SIGNAL(dataChanged()), this, SLOT(onClipboardChanged()));
 
     m_voxEngine = boo::NewAudioVoiceEngine();
     m_voxAllocator = std::make_unique<VoiceAllocator>(*m_voxEngine);
@@ -233,6 +246,7 @@ void MainWindow::updateRecentFileActions()
         QString text = QStringLiteral("&%1 %2").arg(i + 1).arg(QDir(files[i]).dirName());
         m_recentFileActs[i]->setText(text);
         m_recentFileActs[i]->setData(files[i]);
+        m_recentFileActs[i]->setToolTip(files[i]);
         m_recentFileActs[i]->setVisible(true);
     }
     for (int j = numRecentFiles; j < MaxRecentFiles; ++j)
@@ -282,11 +296,17 @@ bool MainWindow::setProjectPath(const QString& path)
     m_ui.actionReload_Sample_Data->setEnabled(true);
     m_ui.actionImport_Songs->setEnabled(true);
     m_ui.actionExport_GameCube_Groups->setEnabled(true);
+    m_ui.actionImport_C_Headers->setEnabled(true);
+    m_ui.actionExport_C_Headers->setEnabled(true);
     m_ui.actionNew_Subproject->setEnabled(true);
     setWindowFilePath(path);
     updateWindowTitle();
     updateFocus();
     m_undoStack->clear();
+    m_navList.clear();
+    m_navIt = m_navList.begin();
+
+    updateNavigationButtons();
 
     QSettings settings;
     QStringList files = settings.value("recentFileList").toStringList();
@@ -399,8 +419,7 @@ void MainWindow::timerEvent(QTimerEvent* ev)
         for (int i = 0; i < songTable->model()->rowCount(); ++i)
             if (MIDIPlayerWidget* player = qobject_cast<MIDIPlayerWidget*>(
                 songTable->indexWidget(songTable->model()->index(i, 1))))
-                for (auto& p : m_engine->getActiveSequencers())
-                    if (p.get() == player->sequencer() && p->state() != amuse::SequencerState::Playing)
+                if (player->sequencer() && player->sequencer()->state() != amuse::SequencerState::Playing)
                     player->stopped();
 
         QTableView* sfxTable = m_soundGroupEditor->getSFXListView();
@@ -481,83 +500,119 @@ void MainWindow::startBackgroundTask(int id, const QString& windowTitle, const Q
     QMetaObject::invokeMethod(m_backgroundTask, "run", Qt::QueuedConnection);
 }
 
-bool MainWindow::_setEditor(EditorWidget* editor)
+bool MainWindow::_setEditor(EditorWidget* editor, bool appendNav)
 {
+    m_interactiveSeq.reset();
     if (editor != m_ui.editorContents->currentWidget() &&
         m_ui.editorContents->currentWidget() != m_faceSvg)
         getEditorWidget()->unloadData();
+    if (appendNav && m_navIt != m_navList.end())
+        m_navList.erase(m_navIt + 1, m_navList.end());
     if (!editor || !editor->valid())
     {
         m_ui.editorContents->setCurrentWidget(m_faceSvg);
         updateWindowTitle();
+        if (appendNav)
+        {
+            m_navIt = m_navList.end();
+            updateNavigationButtons();
+        }
         return false;
     }
     m_ui.editorContents->setCurrentWidget(editor);
     m_ui.editorContents->update();
     updateWindowTitle();
+    ProjectModel::INode* currentNode = editor->currentNode();
+    if (appendNav)
+    {
+        if (m_navIt == m_navList.end() || *m_navIt != currentNode)
+            m_navIt = m_navList.insert(m_navList.end(), currentNode);
+        updateNavigationButtons();
+    }
+    recursiveExpandAndSelectOutline(m_projectModel->index(currentNode));
     return true;
 }
 
-bool MainWindow::openEditor(ProjectModel::SongGroupNode* node)
+bool MainWindow::openEditor(ProjectModel::SongGroupNode* node, bool appendNav)
 {
-    return _setEditor(m_songGroupEditor->loadData(node) ? m_songGroupEditor : nullptr);
+    bool ret = _setEditor(m_songGroupEditor->loadData(node) ? m_songGroupEditor : nullptr, appendNav);
+    if (ProjectModel::INode* n = getEditorNode())
+    {
+        if (n->type() == ProjectModel::INode::Type::SongGroup)
+        {
+            ProjectModel::SongGroupNode* cn = static_cast<ProjectModel::SongGroupNode*>(n);
+            ProjectModel::GroupNode* gn = m_projectModel->getGroupNode(n);
+            m_interactiveSeq = m_engine->seqPlay(gn->getAudioGroup(), cn->m_id, {}, nullptr);
+        }
+    }
+    return ret;
 }
 
-bool MainWindow::openEditor(ProjectModel::SoundGroupNode* node)
+bool MainWindow::openEditor(ProjectModel::SoundGroupNode* node, bool appendNav)
 {
-    return _setEditor(m_soundGroupEditor->loadData(node) ? m_soundGroupEditor : nullptr);
+    bool ret = _setEditor(m_soundGroupEditor->loadData(node) ? m_soundGroupEditor : nullptr, appendNav);
+    if (ProjectModel::INode* n = getEditorNode())
+    {
+        if (n->type() == ProjectModel::INode::Type::SoundGroup)
+        {
+            ProjectModel::SoundGroupNode* cn = static_cast<ProjectModel::SoundGroupNode*>(n);
+            ProjectModel::GroupNode* gn = m_projectModel->getGroupNode(n);
+            m_interactiveSeq = m_engine->seqPlay(gn->getAudioGroup(), cn->m_id, {}, nullptr);
+        }
+    }
+    return ret;
 }
 
-bool MainWindow::openEditor(ProjectModel::SoundMacroNode* node)
+bool MainWindow::openEditor(ProjectModel::SoundMacroNode* node, bool appendNav)
 {
-    return _setEditor(m_soundMacroEditor->loadData(node) ? m_soundMacroEditor : nullptr);
+    return _setEditor(m_soundMacroEditor->loadData(node) ? m_soundMacroEditor : nullptr, appendNav);
 }
 
-bool MainWindow::openEditor(ProjectModel::ADSRNode* node)
+bool MainWindow::openEditor(ProjectModel::ADSRNode* node, bool appendNav)
 {
-    return _setEditor(m_adsrEditor->loadData(node) ? m_adsrEditor : nullptr);
+    return _setEditor(m_adsrEditor->loadData(node) ? m_adsrEditor : nullptr, appendNav);
 }
 
-bool MainWindow::openEditor(ProjectModel::CurveNode* node)
+bool MainWindow::openEditor(ProjectModel::CurveNode* node, bool appendNav)
 {
-    return _setEditor(m_curveEditor->loadData(node) ? m_curveEditor : nullptr);
+    return _setEditor(m_curveEditor->loadData(node) ? m_curveEditor : nullptr, appendNav);
 }
 
-bool MainWindow::openEditor(ProjectModel::KeymapNode* node)
+bool MainWindow::openEditor(ProjectModel::KeymapNode* node, bool appendNav)
 {
-    return _setEditor(m_keymapEditor->loadData(node) ? m_keymapEditor : nullptr);
+    return _setEditor(m_keymapEditor->loadData(node) ? m_keymapEditor : nullptr, appendNav);
 }
 
-bool MainWindow::openEditor(ProjectModel::LayersNode* node)
+bool MainWindow::openEditor(ProjectModel::LayersNode* node, bool appendNav)
 {
-    return _setEditor(m_layersEditor->loadData(node) ? m_layersEditor : nullptr);
+    return _setEditor(m_layersEditor->loadData(node) ? m_layersEditor : nullptr, appendNav);
 }
 
-bool MainWindow::openEditor(ProjectModel::SampleNode* node)
+bool MainWindow::openEditor(ProjectModel::SampleNode* node, bool appendNav)
 {
-    return _setEditor(m_sampleEditor->loadData(node) ? m_sampleEditor : nullptr);
+    return _setEditor(m_sampleEditor->loadData(node) ? m_sampleEditor : nullptr, appendNav);
 }
 
-bool MainWindow::openEditor(ProjectModel::INode* node)
+bool MainWindow::openEditor(ProjectModel::INode* node, bool appendNav)
 {
     switch (node->type())
     {
     case ProjectModel::INode::Type::SongGroup:
-        return openEditor(static_cast<ProjectModel::SongGroupNode*>(node));
+        return openEditor(static_cast<ProjectModel::SongGroupNode*>(node), appendNav);
     case ProjectModel::INode::Type::SoundGroup:
-        return openEditor(static_cast<ProjectModel::SoundGroupNode*>(node));
+        return openEditor(static_cast<ProjectModel::SoundGroupNode*>(node), appendNav);
     case ProjectModel::INode::Type::SoundMacro:
-        return openEditor(static_cast<ProjectModel::SoundMacroNode*>(node));
+        return openEditor(static_cast<ProjectModel::SoundMacroNode*>(node), appendNav);
     case ProjectModel::INode::Type::ADSR:
-        return openEditor(static_cast<ProjectModel::ADSRNode*>(node));
+        return openEditor(static_cast<ProjectModel::ADSRNode*>(node), appendNav);
     case ProjectModel::INode::Type::Curve:
-        return openEditor(static_cast<ProjectModel::CurveNode*>(node));
+        return openEditor(static_cast<ProjectModel::CurveNode*>(node), appendNav);
     case ProjectModel::INode::Type::Keymap:
-        return openEditor(static_cast<ProjectModel::KeymapNode*>(node));
+        return openEditor(static_cast<ProjectModel::KeymapNode*>(node), appendNav);
     case ProjectModel::INode::Type::Layer:
-        return openEditor(static_cast<ProjectModel::LayersNode*>(node));
+        return openEditor(static_cast<ProjectModel::LayersNode*>(node), appendNav);
     case ProjectModel::INode::Type::Sample:
-        return openEditor(static_cast<ProjectModel::SampleNode*>(node));
+        return openEditor(static_cast<ProjectModel::SampleNode*>(node), appendNav);
     default:
         return false;
     }
@@ -646,7 +701,7 @@ amuse::ObjToken<amuse::Sequencer> MainWindow::startSong(amuse::GroupId groupId,
     return {};
 }
 
-void MainWindow::pushUndoCommand(QUndoCommand* cmd)
+void MainWindow::pushUndoCommand(EditorUndoCommand* cmd)
 {
     m_undoStack->push(cmd);
 }
@@ -658,6 +713,21 @@ void MainWindow::updateFocus()
 
 void MainWindow::aboutToDeleteNode(ProjectModel::INode* node)
 {
+    if (*m_navIt == node && m_navIt != m_navList.end())
+    {
+        m_navList.erase(m_navIt, m_navList.end());
+        m_navIt = m_navList.end();
+    }
+    for (auto it = m_navList.begin(); it != m_navList.end();)
+    {
+        if (*it == node)
+        {
+            it = m_navList.erase(it);
+            continue;
+        }
+        ++it;
+    }
+    updateNavigationButtons();
     if (getEditorNode() == node)
         closeEditor();
 }
@@ -813,6 +883,9 @@ void MainWindow::revertAction()
     QString path = m_projectModel->path();
     closeEditor();
     m_undoStack->clear();
+    m_navList.clear();
+    m_navIt = m_navList.begin();
+    updateNavigationButtons();
     delete m_projectModel;
     m_projectModel = nullptr;
     openProject(path);
@@ -936,6 +1009,7 @@ void MainWindow::importAction()
                             return;
                     }
                 }
+                model->openSongsData();
             });
 
 
@@ -978,6 +1052,7 @@ void MainWindow::importAction()
                 return;
             task.setValue(++curVal);
         }
+        model->openSongsData();
     });
 }
 
@@ -1024,28 +1099,178 @@ void MainWindow::exportAction()
     });
 }
 
+void MainWindow::importHeadersAction()
+{
+    if (!m_projectModel)
+        return;
+
+    int confirm = m_mainMessenger.warning(tr("Import C Headers"),
+        tr("<p>Importing names from C headers depends on up-to-date, "
+           "consistent names relative to the sound group data.</p>"
+           "<p>Headers are imported on a per-subproject basis from "
+           "a single directory. Headers must be named with the form "
+           "<code>&lt;subproject&gt;.h</code>.</p>"
+           "<p>Group, Song and SFX definitions are matched according to the following forms:"
+           "<pre>#define GRP&lt;name&gt; &lt;id&gt;\n#define SNG&lt;name&gt; &lt;id&gt;\n"
+           "#define SFX&lt;name> &lt;id&gt;</pre></p>"
+           "<p><strong>This operation cannot be undone! Is is recommended to "
+           "make a backup of the project directory before proceeding.</strong></p>"
+           "<p>Continue?</p>"), QMessageBox::Yes | QMessageBox::No);
+    if (confirm == QMessageBox::No)
+        return;
+
+    QString path = QFileDialog::getExistingDirectory(this, tr("Import C Headers"), m_projectModel->dir().path());
+    if (path.isEmpty())
+        return;
+
+    closeEditor();
+
+    for (QString group : m_projectModel->getGroupList())
+        m_projectModel->importHeader(path, group, m_mainMessenger);
+    m_projectModel->updateNodeNames();
+
+    /* Samples may have been renamed.. stay consistent! */
+    saveAction();
+}
+
+void MainWindow::exportHeadersAction()
+{
+    if (!m_projectModel)
+        return;
+
+    QString path = QFileDialog::getExistingDirectory(this, tr("Export C Headers"), m_projectModel->dir().path());
+    if (path.isEmpty())
+        return;
+
+    bool yesToAll = false;
+    for (QString group : m_projectModel->getGroupList())
+        if (!m_projectModel->exportHeader(path, group, yesToAll, m_mainMessenger))
+            return;
+}
+
 bool TreeDelegate::editorEvent(QEvent* event,
-                               QAbstractItemModel* _model,
+                               QAbstractItemModel* __model,
                                const QStyleOptionViewItem& option,
                                const QModelIndex& index)
 {
-    ProjectModel* model = static_cast<ProjectModel*>(_model);
-    ProjectModel::INode* node = model->node(index);
-    if (!node)
+    QSortFilterProxyModel* _model = static_cast<QSortFilterProxyModel*>(__model);
+    ProjectModel* model = static_cast<ProjectModel*>(_model->sourceModel());
+    ProjectModel::INode* node = model->node(_model->mapToSource(index));
+    if (!node || !(node->flags() & Qt::ItemIsEditable))
         return false;
+    AmuseItemEditFlags flags = node->editFlags();
 
-#if 0
-    if ((event->type() == QEvent::MouseButtonDblClick &&
-         static_cast<QMouseEvent*>(event)->button() == Qt::LeftButton))
+    if (event->type() == QEvent::MouseButtonPress)
     {
-        // Open in editor
-        return m_window.openEditor(node);
+        QMouseEvent* ev = static_cast<QMouseEvent*>(event);
+        if (ev->button() == Qt::RightButton)
+        {
+            m_window.m_ui.projectOutline->setCurrentIndex(index);
+            QMenu* menu = new QMenu(g_MainWindow->m_ui.projectOutline);
+
+            QAction* cutAction = new QAction(tr("Cut"), menu);
+            cutAction->setData(index);
+            cutAction->setEnabled(flags & AmuseItemCut);
+            cutAction->setIcon(QIcon::fromTheme(QStringLiteral("edit-cut")));
+            cutAction->setShortcut(QKeySequence::Cut);
+            connect(cutAction, SIGNAL(triggered()), this, SLOT(doCut()));
+            menu->addAction(cutAction);
+
+            QAction* copyAction = new QAction(tr("Copy"), menu);
+            copyAction->setData(index);
+            copyAction->setEnabled(flags & AmuseItemCopy);
+            copyAction->setIcon(QIcon::fromTheme(QStringLiteral("edit-copy")));
+            copyAction->setShortcut(QKeySequence::Copy);
+            connect(copyAction, SIGNAL(triggered()), this, SLOT(doCopy()));
+            menu->addAction(copyAction);
+
+            QAction* pasteAction = new QAction(tr("Paste"), menu);
+            pasteAction->setData(index);
+            pasteAction->setEnabled(g_MainWindow->m_clipboardAmuseData && flags & AmuseItemPaste);
+            pasteAction->setIcon(QIcon::fromTheme(QStringLiteral("edit-paste")));
+            pasteAction->setShortcut(QKeySequence::Paste);
+            connect(pasteAction, SIGNAL(triggered()), this, SLOT(doPaste()));
+            menu->addAction(pasteAction);
+
+            QAction* dupeAction = new QAction(tr("Duplicate"), menu);
+            dupeAction->setData(index);
+            connect(dupeAction, SIGNAL(triggered()), this, SLOT(doDuplicate()));
+            menu->addAction(dupeAction);
+
+            QAction* deleteAction = new QAction(tr("Delete"), menu);
+            deleteAction->setData(index);
+            deleteAction->setEnabled(flags & AmuseItemDelete);
+            deleteAction->setIcon(QIcon::fromTheme(QStringLiteral("edit-delete")));
+            deleteAction->setShortcut(QKeySequence::Delete);
+            connect(deleteAction, SIGNAL(triggered()), this, SLOT(doDelete()));
+            menu->addAction(deleteAction);
+
+            QAction* renameAction = new QAction(tr("Rename"), menu);
+            renameAction->setData(index);
+            renameAction->setShortcut(tr("F2"));
+            connect(renameAction, SIGNAL(triggered()), this, SLOT(doRename()));
+            menu->addAction(renameAction);
+
+            menu->popup(ev->globalPos());
+            return true;
+        }
     }
-#endif
 
     return false;
 }
 
+void TreeDelegate::doCut()
+{
+    QAction* act = qobject_cast<QAction*>(sender());
+    if (!m_window.m_projectModel)
+        return;
+    m_window.m_projectModel->cut(m_window.m_filterProjectModel.mapToSource(act->data().toModelIndex()));
+}
+
+void TreeDelegate::doCopy()
+{
+    QAction* act = qobject_cast<QAction*>(sender());
+    if (!m_window.m_projectModel)
+        return;
+    m_window.m_projectModel->copy(m_window.m_filterProjectModel.mapToSource(act->data().toModelIndex()));
+}
+
+void TreeDelegate::doPaste()
+{
+    QAction* act = qobject_cast<QAction*>(sender());
+    if (!m_window.m_projectModel)
+        return;
+    m_window.m_projectModel->paste(m_window.m_filterProjectModel.mapToSource(act->data().toModelIndex()));
+}
+
+void TreeDelegate::doDuplicate()
+{
+    QAction* act = qobject_cast<QAction*>(sender());
+    if (!m_window.m_projectModel)
+        return;
+    QModelIndex newIdx =
+        m_window.m_projectModel->duplicate(m_window.m_filterProjectModel.mapToSource(act->data().toModelIndex()));
+    if (newIdx.isValid())
+    {
+        newIdx = m_window.m_filterProjectModel.mapFromSource(newIdx);
+        m_window.m_ui.projectOutline->edit(newIdx);
+    }
+}
+
+void TreeDelegate::doDelete()
+{
+    QAction* act = qobject_cast<QAction*>(sender());
+    if (!m_window.m_projectModel)
+        return;
+    m_window.m_projectModel->del(m_window.m_filterProjectModel.mapToSource(act->data().toModelIndex()));
+}
+
+void TreeDelegate::doRename()
+{
+    QAction* act = qobject_cast<QAction*>(sender());
+    m_window.m_ui.projectOutline->edit(act->data().toModelIndex());
+}
+
 QString MainWindow::getGroupName(ProjectModel::GroupNode* group) const
 {
     if (group)
@@ -1057,10 +1282,10 @@ ProjectModel::GroupNode* MainWindow::getSelectedGroupNode() const
 {
     if (!m_projectModel)
         return nullptr;
-    if (!m_ui.projectOutline->selectionModel()->currentIndex().isValid())
+    if (!m_ui.projectOutline->currentIndex().isValid())
         return nullptr;
     return m_projectModel->getGroupNode(m_projectModel->node(
-           m_filterProjectModel.mapToSource(m_ui.projectOutline->selectionModel()->currentIndex())));
+           m_filterProjectModel.mapToSource(m_ui.projectOutline->currentIndex())));
 }
 
 QString MainWindow::getSelectedGroupName() const
@@ -1082,10 +1307,7 @@ void MainWindow::recursiveExpandAndSelectOutline(const QModelIndex& index) const
     QModelIndex filterIndex = m_filterProjectModel.mapFromSource(index);
     _recursiveExpandOutline(filterIndex);
     if (filterIndex.isValid())
-    {
-        m_ui.projectOutline->selectionModel()->setCurrentIndex(filterIndex, QItemSelectionModel::ClearAndSelect);
-        m_ui.projectOutline->selectionModel()->setCurrentIndex(filterIndex, QItemSelectionModel::Current);
-    }
+        m_ui.projectOutline->setCurrentIndex(filterIndex);
 }
 
 void MainWindow::newSubprojectAction()
@@ -1238,6 +1460,30 @@ void MainWindow::newLayersAction()
         openEditor(node);
 }
 
+void MainWindow::updateNavigationButtons()
+{
+    m_goForward->setDisabled(m_navIt == m_navList.end() || m_navIt + 1 == m_navList.end());
+    m_goBack->setDisabled(m_navIt == m_navList.begin());
+}
+
+void MainWindow::goForward()
+{
+    if (m_navIt == m_navList.end() || m_navIt + 1 == m_navList.end())
+        return;
+    ++m_navIt;
+    openEditor(*m_navIt, false);
+    updateNavigationButtons();
+}
+
+void MainWindow::goBack()
+{
+    if (m_navIt == m_navList.begin())
+        return;
+    --m_navIt;
+    openEditor(*m_navIt, false);
+    updateNavigationButtons();
+}
+
 void MainWindow::aboutToShowAudioIOMenu()
 {
     refreshAudioIO();
@@ -1413,27 +1659,30 @@ void MainWindow::auxBChanged(int vol)
 
 void MainWindow::outlineCutAction()
 {
-
+    if (!m_projectModel)
+        return;
+    m_projectModel->cut(m_filterProjectModel.mapToSource(m_ui.projectOutline->currentIndex()));
 }
 
 void MainWindow::outlineCopyAction()
 {
-
+    if (!m_projectModel)
+        return;
+    m_projectModel->copy(m_filterProjectModel.mapToSource(m_ui.projectOutline->currentIndex()));
 }
 
 void MainWindow::outlinePasteAction()
 {
-
+    if (!m_projectModel)
+        return;
+    m_projectModel->paste(m_filterProjectModel.mapToSource(m_ui.projectOutline->currentIndex()));
 }
 
 void MainWindow::outlineDeleteAction()
 {
     if (!m_projectModel)
         return;
-    QModelIndexList indexes = m_ui.projectOutline->selectionModel()->selectedIndexes();
-    if (indexes.empty())
-        return;
-    m_projectModel->del(m_filterProjectModel.mapToSource(indexes.front()));
+    m_projectModel->del(m_filterProjectModel.mapToSource(m_ui.projectOutline->currentIndex()));
 }
 
 void MainWindow::onFocusChanged(QWidget* old, QWidget* now)
@@ -1460,7 +1709,10 @@ void MainWindow::onFocusChanged(QWidget* old, QWidget* now)
 
     if (now == m_ui.projectOutline || m_ui.projectOutline->isAncestorOf(now))
     {
-        setItemEditEnabled(canEditOutline());
+        AmuseItemEditFlags editFlags = outlineEditFlags();
+        if (!m_clipboardAmuseData)
+            editFlags = AmuseItemEditFlags(editFlags & ~AmuseItemPaste);
+        setItemEditFlags(editFlags);
         if (m_projectModel)
         {
             m_cutConn = connect(m_ui.actionCut, SIGNAL(triggered()), this, SLOT(outlineCutAction()));
@@ -1471,20 +1723,40 @@ void MainWindow::onFocusChanged(QWidget* old, QWidget* now)
     }
     else if (now == m_ui.editorContents || m_ui.editorContents->isAncestorOf(now))
     {
-        setItemEditEnabled(false);
         if (EditorWidget* editor = getEditorWidget())
         {
-            if (editor->isItemEditEnabled())
-            {
-                setItemEditEnabled(true);
+            setItemEditFlags(editor->itemEditFlags());
             m_cutConn = connect(m_ui.actionCut, SIGNAL(triggered()), editor, SLOT(itemCutAction()));
             m_copyConn = connect(m_ui.actionCopy, SIGNAL(triggered()), editor, SLOT(itemCopyAction()));
             m_pasteConn = connect(m_ui.actionPaste, SIGNAL(triggered()), editor, SLOT(itemPasteAction()));
             m_deleteConn = connect(m_ui.actionDelete, SIGNAL(triggered()), editor, SLOT(itemDeleteAction()));
         }
+        else
+        {
+            setItemEditFlags(AmuseItemNone);
+        }
     }
 }
 
+void MainWindow::onClipboardChanged()
+{
+    if (QClipboard* cb = qobject_cast<QClipboard*>(sender()))
+    {
+        if (const QMimeData* md = cb->mimeData())
+        {
+            for (const QString& str : md->formats())
+            {
+                if (str.startsWith(QStringLiteral("application/x-amuse-")))
+                {
+                    m_clipboardAmuseData = true;
+                    updateFocus();
+                    return;
+                }
+            }
+        }
+    }
+    m_clipboardAmuseData = false;
+    updateFocus();
 }
 
 void MainWindow::outlineItemActivated(const QModelIndex& index)
@@ -1495,12 +1767,12 @@ void MainWindow::outlineItemActivated(const QModelIndex& index)
     openEditor(node);
 }
 
-void MainWindow::setItemEditEnabled(bool enabled)
+void MainWindow::setItemEditFlags(AmuseItemEditFlags flags)
 {
-    m_ui.actionCut->setEnabled(enabled);
-    m_ui.actionCopy->setEnabled(enabled);
-    m_ui.actionPaste->setEnabled(enabled);
-    m_ui.actionDelete->setEnabled(enabled);
+    m_ui.actionCut->setEnabled(flags & AmuseItemCut);
+    m_ui.actionCopy->setEnabled(flags & AmuseItemCopy);
+    m_ui.actionPaste->setEnabled(flags & AmuseItemPaste);
+    m_ui.actionDelete->setEnabled(flags & AmuseItemDelete);
 }
 
 void MainWindow::setItemNewEnabled(bool enabled)
@@ -1514,25 +1786,25 @@ void MainWindow::setItemNewEnabled(bool enabled)
     m_ui.actionNew_Layers->setEnabled(enabled);
 }
 
-bool MainWindow::canEditOutline()
+AmuseItemEditFlags MainWindow::outlineEditFlags()
 {
     if (!m_projectModel)
-        return false;
-    QModelIndex curIndex = m_ui.projectOutline->selectionModel()->currentIndex();
+        return AmuseItemNone;
+    QModelIndex curIndex = m_ui.projectOutline->currentIndex();
     if (!curIndex.isValid())
-        return false;
-    return m_projectModel->canEdit(m_filterProjectModel.mapToSource(curIndex));
+        return AmuseItemNone;
+    return m_projectModel->editFlags(m_filterProjectModel.mapToSource(curIndex));
 }
 
 void MainWindow::onOutlineSelectionChanged(const QItemSelection& selected, const QItemSelection& deselected)
 {
     if (!m_projectModel)
         return;
-    setItemNewEnabled(m_ui.projectOutline->selectionModel()->currentIndex().isValid());
+    setItemNewEnabled(m_ui.projectOutline->currentIndex().isValid());
     if (selected.indexes().empty())
-        setItemEditEnabled(false);
+        setItemEditFlags(AmuseItemNone);
     else
-        setItemEditEnabled(m_projectModel->canEdit(m_filterProjectModel.mapToSource(selected.indexes().front())));
+        setItemEditFlags(m_projectModel->editFlags(m_filterProjectModel.mapToSource(selected.indexes().front())));
 }
 
 void MainWindow::onTextSelect()

Editor/MainWindow.hpp

@@ -7,6 +7,7 @@
 #include <QThread>
 #include <QStyledItemDelegate>
 #include <QSortFilterProxyModel>
+#include <QLinkedList>
 #include "ui_MainWindow.h"
 #include "amuse/Engine.hpp"
 #include "amuse/BooBackend.hpp"
@@ -77,13 +78,27 @@ public:
                      QAbstractItemModel *model,
                      const QStyleOptionViewItem &option,
                      const QModelIndex &index);
+public slots:
+    void doCut();
+    void doCopy();
+    void doPaste();
+    void doDuplicate();
+    void doDelete();
+    void doRename();
 };
 
 class MainWindow : public QMainWindow
 {
     friend class MIDIReader;
+    friend class ProjectModel;
+    friend class GroupNodeUndoCommand;
+    friend class TreeDelegate;
     Q_OBJECT
     Ui::MainWindow m_ui;
+    QAction* m_goBack;
+    QAction* m_goForward;
+    QLinkedList<ProjectModel::INode*> m_navList;
+    QLinkedList<ProjectModel::INode*>::iterator m_navIt;
     QAction* m_clearRecentFileAct;
     QAction* m_recentFileActs[MaxRecentFiles];
     TreeDelegate m_treeDelegate;
@@ -105,12 +120,14 @@ class MainWindow : public QMainWindow
     std::unique_ptr<VoiceAllocator> m_voxAllocator;
     std::unique_ptr<amuse::Engine> m_engine;
     amuse::ObjToken<amuse::Voice> m_lastSound;
+    amuse::ObjToken<amuse::Sequencer> m_interactiveSeq;
     int m_velocity = 90;
     float m_pitch = 0.f;
     int8_t m_ctrlVals[128] = {};
     float m_auxAVol = 0.f;
     float m_auxBVol = 0.f;
     bool m_uiDisabled = false;
+    bool m_clipboardAmuseData = false;
 
     QUndoStack* m_undoStack;
 
@@ -128,6 +145,7 @@ class MainWindow : public QMainWindow
 
     void updateWindowTitle();
     void updateRecentFileActions();
+    void updateNavigationButtons();
     bool setProjectPath(const QString& path);
     void refreshAudioIO();
     void refreshMIDIIO();
@@ -139,7 +157,7 @@ class MainWindow : public QMainWindow
     void startBackgroundTask(int id, const QString& windowTitle, const QString& label,
                              std::function<void(BackgroundTask&)>&& task);
 
-    bool _setEditor(EditorWidget* widget);
+    bool _setEditor(EditorWidget* widget, bool appendNav = true);
 
 public:
     explicit MainWindow(QWidget* parent = Q_NULLPTR);
@@ -147,15 +165,15 @@ public:
 
     bool openProject(const QString& path);
 
-    bool openEditor(ProjectModel::SongGroupNode* node);
-    bool openEditor(ProjectModel::SoundGroupNode* node);
-    bool openEditor(ProjectModel::SoundMacroNode* node);
-    bool openEditor(ProjectModel::ADSRNode* node);
-    bool openEditor(ProjectModel::CurveNode* node);
-    bool openEditor(ProjectModel::KeymapNode* node);
-    bool openEditor(ProjectModel::LayersNode* node);
-    bool openEditor(ProjectModel::SampleNode* node);
-    bool openEditor(ProjectModel::INode* node);
+    bool openEditor(ProjectModel::SongGroupNode* node, bool appendNav = true);
+    bool openEditor(ProjectModel::SoundGroupNode* node, bool appendNav = true);
+    bool openEditor(ProjectModel::SoundMacroNode* node, bool appendNav = true);
+    bool openEditor(ProjectModel::ADSRNode* node, bool appendNav = true);
+    bool openEditor(ProjectModel::CurveNode* node, bool appendNav = true);
+    bool openEditor(ProjectModel::KeymapNode* node, bool appendNav = true);
+    bool openEditor(ProjectModel::LayersNode* node, bool appendNav = true);
+    bool openEditor(ProjectModel::SampleNode* node, bool appendNav = true);
+    bool openEditor(ProjectModel::INode* node, bool appendNav = true);
     void closeEditor();
 
     ProjectModel::INode* getEditorNode() const;
@@ -164,7 +182,7 @@ public:
     amuse::ObjToken<amuse::Voice> startSFX(amuse::GroupId groupId, amuse::SFXId sfxId);
     amuse::ObjToken<amuse::Sequencer> startSong(amuse::GroupId groupId, amuse::SongId songId,
                                                 const unsigned char* arrData);
-    void pushUndoCommand(QUndoCommand* cmd);
+    void pushUndoCommand(EditorUndoCommand* cmd);
     void updateFocus();
     void aboutToDeleteNode(ProjectModel::INode* node);
     void closeEvent(QCloseEvent* ev);
@@ -179,6 +197,11 @@ public:
     ProjectModel* projectModel() const { return m_projectModel; }
     UIMessenger& uiMessenger() { return m_mainMessenger; }
 
+    void setItemEditFlags(AmuseItemEditFlags flags);
+    void setItemNewEnabled(bool enabled);
+    AmuseItemEditFlags outlineEditFlags();
+    bool isUiDisabled() const { return m_uiDisabled; }
+
 public slots:
     void newAction();
     void openAction();
@@ -190,6 +213,8 @@ public slots:
     void importAction();
     void importSongsAction();
     void exportAction();
+    void importHeadersAction();
+    void exportHeadersAction();
 
     void newSubprojectAction();
     void newSFXGroupAction();
@@ -200,6 +225,9 @@ public slots:
     void newKeymapAction();
     void newLayersAction();
 
+    void goForward();
+    void goBack();
+
     void aboutToShowAudioIOMenu();
     void aboutToShowMIDIIOMenu();
 
@@ -226,10 +254,8 @@ public slots:
     void outlineDeleteAction();
 
     void onFocusChanged(QWidget* old, QWidget* now);
+    void onClipboardChanged();
     void outlineItemActivated(const QModelIndex& index);
-    void setItemEditEnabled(bool enabled);
-    void setItemNewEnabled(bool enabled);
-    bool canEditOutline();
     void onOutlineSelectionChanged(const QItemSelection& selected, const QItemSelection& deselected);
     void onTextSelect();
     void onTextDelete();

Editor/MainWindow.ui

@@ -49,6 +49,11 @@
       </property>
       <widget class="QWidget" name="projectOutlineContainer">
        <layout class="QVBoxLayout" name="outlineLayout">
+        <property name="spacing">
+         <number>0</number>
+        </property>
+        <item>
+         <layout class="QHBoxLayout" name="outlineLayout2">
           <property name="spacing">
            <number>0</number>
           </property>
@@ -74,6 +79,34 @@
             </property>
            </widget>
           </item>
+          <item>
+           <widget class="QToolButton" name="backButton">
+            <property name="enabled">
+             <bool>false</bool>
+            </property>
+            <property name="icon">
+             <iconset resource="resources/resources.qrc">
+              <normaloff>:/icons/IconBack.svg</normaloff>
+              <disabledoff>:/icons/IconBackDisabled.svg</disabledoff>
+              <disabledon>:/icons/IconBackDisabled.svg</disabledon>:/icons/IconBack.svg</iconset>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QToolButton" name="forwardButton">
+            <property name="enabled">
+             <bool>false</bool>
+            </property>
+            <property name="icon">
+             <iconset resource="resources/resources.qrc">
+              <normaloff>:/icons/IconForward.svg</normaloff>
+              <disabledoff>:/icons/IconForwardDisabled.svg</disabledoff>
+              <disabledon>:/icons/IconForwardDisabled.svg</disabledon>:/icons/IconForward.svg</iconset>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </item>
         <item>
          <widget class="QTreeView" name="projectOutline">
           <property name="sizePolicy">
@@ -91,6 +124,9 @@
           <property name="focusPolicy">
            <enum>Qt::WheelFocus</enum>
           </property>
+          <property name="editTriggers">
+           <set>QAbstractItemView::EditKeyPressed|QAbstractItemView::SelectedClicked</set>
+          </property>
           <property name="animated">
            <bool>true</bool>
           </property>
@@ -257,7 +293,7 @@
               <x>0</x>
               <y>0</y>
               <width>1501</width>
-              <height>83</height>
+              <height>85</height>
              </rect>
             </property>
             <property name="sizePolicy">
@@ -294,7 +330,7 @@
      <x>0</x>
      <y>0</y>
      <width>1360</width>
-     <height>25</height>
+     <height>27</height>
     </rect>
    </property>
    <widget class="QMenu" name="menuFile">
@@ -308,6 +344,9 @@
      <property name="title">
       <string>Recent &amp;Projects</string>
      </property>
+     <property name="icon">
+      <iconset theme="document-open-recent"/>
+     </property>
     </widget>
     <addaction name="actionNew_Project"/>
     <addaction name="actionOpen_Project"/>
@@ -319,6 +358,10 @@
     <addaction name="actionImport_Groups"/>
     <addaction name="actionImport_Songs"/>
     <addaction name="actionExport_GameCube_Groups"/>
+    <addaction name="actionImport_C_Headers"/>
+    <addaction name="actionExport_C_Headers"/>
+    <addaction name="separator"/>
+    <addaction name="actionQuit"/>
    </widget>
    <widget class="QMenu" name="menuProject">
     <property name="title">
@@ -360,7 +403,7 @@
    </widget>
    <widget class="QMenu" name="menuHelp">
     <property name="title">
-     <string>Help</string>
+     <string>&amp;Help</string>
     </property>
     <addaction name="actionAbout_Amuse"/>
     <addaction name="actionAbout_Qt"/>
@@ -374,11 +417,17 @@
   </widget>
   <widget class="StatusBarWidget" name="statusbar"/>
   <action name="actionNew_Project">
+   <property name="icon">
+    <iconset theme="document-new"/>
+   </property>
    <property name="text">
     <string>&amp;New Project</string>
    </property>
   </action>
   <action name="actionOpen_Project">
+   <property name="icon">
+    <iconset theme="document-open"/>
+   </property>
    <property name="text">
     <string>&amp;Open Project</string>
    </property>
@@ -387,6 +436,9 @@
    <property name="enabled">
     <bool>false</bool>
    </property>
+   <property name="icon">
+    <iconset theme="edit-cut"/>
+   </property>
    <property name="text">
     <string>&amp;Cut</string>
    </property>
@@ -395,6 +447,9 @@
    <property name="enabled">
     <bool>false</bool>
    </property>
+   <property name="icon">
+    <iconset theme="edit-copy"/>
+   </property>
    <property name="text">
     <string>C&amp;opy</string>
    </property>
@@ -403,6 +458,9 @@
    <property name="enabled">
     <bool>false</bool>
    </property>
+   <property name="icon">
+    <iconset theme="edit-paste"/>
+   </property>
    <property name="text">
     <string>&amp;Paste</string>
    </property>
@@ -411,6 +469,9 @@
    <property name="enabled">
     <bool>false</bool>
    </property>
+   <property name="icon">
+    <iconset theme="edit-delete"/>
+   </property>
    <property name="text">
     <string>&amp;Delete</string>
    </property>
@@ -550,6 +611,9 @@
    <property name="enabled">
     <bool>false</bool>
    </property>
+   <property name="icon">
+    <iconset theme="document-save"/>
+   </property>
    <property name="text">
     <string>&amp;Save Project</string>
    </property>
@@ -558,6 +622,9 @@
    <property name="enabled">
     <bool>false</bool>
    </property>
+   <property name="icon">
+    <iconset theme="document-revert"/>
+   </property>
    <property name="text">
     <string>&amp;Revert Project</string>
    </property>
@@ -579,21 +646,54 @@
    </property>
   </action>
   <action name="actionAbout_Amuse">
+   <property name="icon">
+    <iconset theme="help-about"/>
+   </property>
    <property name="text">
-    <string>About Amuse</string>
+    <string>&amp;About Amuse</string>
    </property>
    <property name="menuRole">
     <enum>QAction::AboutRole</enum>
    </property>
   </action>
   <action name="actionAbout_Qt">
+   <property name="icon">
+    <iconset theme="help-about"/>
+   </property>
    <property name="text">
-    <string>About Qt</string>
+    <string>About &amp;Qt</string>
    </property>
    <property name="menuRole">
     <enum>QAction::AboutQtRole</enum>
    </property>
   </action>
+  <action name="actionExport_C_Headers">
+   <property name="enabled">
+    <bool>false</bool>
+   </property>
+   <property name="text">
+    <string>Export &amp;C Headers</string>
+   </property>
+  </action>
+  <action name="actionQuit">
+   <property name="icon">
+    <iconset theme="application-exit"/>
+   </property>
+   <property name="text">
+    <string>&amp;Quit</string>
+   </property>
+   <property name="menuRole">
+    <enum>QAction::QuitRole</enum>
+   </property>
+  </action>
+  <action name="actionImport_C_Headers">
+   <property name="enabled">
+    <bool>false</bool>
+   </property>
+   <property name="text">
+    <string>Import C &amp;Headers</string>
+   </property>
+  </action>
  </widget>
  <customwidgets>
   <customwidget>

Editor/ProjectModel.cpp

@@ -3,10 +3,14 @@
 #include "ProjectModel.hpp"
 #include "Common.hpp"
 #include "athena/YAMLDocWriter.hpp"
+#include "athena/VectorWriter.hpp"
 #include "MainWindow.hpp"
+#include "EditorWidget.hpp"
 #include "amuse/SongConverter.hpp"
 #include "amuse/ContainerRegistry.hpp"
-#include <QUndoCommand>
+#include <QDate>
+#include <QMimeData>
+#include <QClipboard>
 
 QIcon ProjectModel::GroupNode::Icon;
 QIcon ProjectModel::SongGroupNode::Icon;
@@ -305,6 +309,16 @@ ProjectModel::INode::INode(const QString& name)
     m_nullChild = nullNode.get();
 }
 
+void ProjectModel::INode::_sortChildren()
+{
+    std::sort(m_children.begin(), m_children.end(),
+              [](const auto& a, const auto& b)
+              {
+                  return a->name() < b->name();
+              });
+    reindexRows(0);
+}
+
 int ProjectModel::INode::hypotheticalIndex(const QString& name) const
 {
     auto search = std::lower_bound(m_children.cbegin(), m_children.cend(), name,
@@ -326,6 +340,17 @@ int ProjectModel::GroupNode::hypotheticalIndex(const QString& name) const
     return int(search - m_children.cbegin());
 }
 
+void ProjectModel::GroupNode::_sortChildren()
+{
+    /* Sort prior to pool object collections */
+    std::sort(m_children.begin(), m_children.end() - 6,
+              [](const auto& a, const auto& b)
+              {
+                  return a->name() < b->name();
+              });
+    reindexRows(0);
+}
+
 ProjectModel::CollectionNode* ProjectModel::GroupNode::getCollectionOfType(Type tp) const
 {
     for (auto it = m_children.rbegin(); it != m_children.rend(); ++it)
@@ -624,6 +649,104 @@ bool ProjectModel::exportGroup(const QString& path, const QString& groupName, UI
     return true;
 }
 
+bool ProjectModel::importHeader(const QString& path, const QString& groupName, UIMessenger& messenger) const
+{
+    m_projectDatabase.setIdDatabases();
+    auto search = m_groups.find(groupName);
+    if (search == m_groups.cend())
+    {
+        messenger.critical(tr("Import Error"), tr("Unable to find group %1").arg(groupName));
+        return false;
+    }
+
+    QFileInfo fi(QDir(path), QStringLiteral("%1.h").arg(groupName));
+    if (!fi.exists())
+        return true;
+
+    QFile fo(fi.filePath());
+    if (!fo.open(QFile::ReadOnly))
+    {
+        messenger.critical(tr("Export Header Error"), tr("Unable to open %1 for reading").arg(fi.filePath()));
+        return false;
+    }
+
+    auto data = fo.readAll();
+    search->second->importCHeader(std::string_view(data.data(), data.size()));
+
+    return true;
+}
+
+bool ProjectModel::exportHeader(const QString& path, const QString& groupName,
+                                bool& yesToAll, UIMessenger& messenger) const
+{
+    m_projectDatabase.setIdDatabases();
+    auto search = m_groups.find(groupName);
+    if (search == m_groups.cend())
+    {
+        messenger.critical(tr("Export Error"), tr("Unable to find group %1").arg(groupName));
+        return false;
+    }
+
+    QFileInfo fi(QDir(path), QStringLiteral("%1.h").arg(groupName));
+    if (!yesToAll && fi.exists())
+    {
+        auto result = messenger.question(tr("File Exists"),
+            tr("%1 already exists. Overwrite?").arg(fi.filePath()),
+            QMessageBox::Yes | QMessageBox::No | QMessageBox::YesToAll | QMessageBox::NoToAll);
+        if (result == QMessageBox::No)
+            return true;
+        else if (result == QMessageBox::NoToAll)
+            return false;
+        else if (result == QMessageBox::YesToAll)
+            yesToAll = true;
+    }
+    std::string header = search->second->exportCHeader(m_dir.dirName().toUtf8().data(), groupName.toUtf8().data());
+    QFile fo(fi.filePath());
+    if (fo.open(QFile::WriteOnly))
+        fo.write(header.data(), header.size());
+
+    return true;
+}
+
+void ProjectModel::updateNodeNames()
+{
+    beginResetModel();
+    m_root->oneLevelTraverse([this](INode* n)
+    {
+        GroupNode* gn = static_cast<GroupNode*>(n);
+        setIdDatabases(gn);
+        gn->oneLevelTraverse([](INode* n)
+        {
+            if (n->type() == INode::Type::SongGroup)
+            {
+                SongGroupNode* sgn = static_cast<SongGroupNode*>(n);
+                sgn->m_name = amuse::GroupId::CurNameDB->resolveNameFromId(sgn->m_id).data();
+            }
+            else if (n->type() == INode::Type::SoundGroup)
+            {
+                SoundGroupNode* sgn = static_cast<SoundGroupNode*>(n);
+                sgn->m_name = amuse::GroupId::CurNameDB->resolveNameFromId(sgn->m_id).data();
+            }
+            else if (n->type() == INode::Type::Collection)
+            {
+                CollectionNode* cn = static_cast<CollectionNode*>(n);
+                cn->oneLevelTraverse([](INode* n)
+                {
+                    BasePoolObjectNode* on = static_cast<BasePoolObjectNode*>(n);
+                    on->m_name = on->getNameDb()->resolveNameFromId(on->m_id).data();
+                    return true;
+                });
+                cn->_sortChildren();
+            }
+            return true;
+        });
+        gn->_sortChildren();
+        return true;
+    });
+    m_root->_sortChildren();
+    endResetModel();
+}
+
 void ProjectModel::_buildGroupNodeCollections(GroupNode& gn)
 {
     gn.reserve(6);
@@ -635,9 +758,8 @@ void ProjectModel::_buildGroupNodeCollections(GroupNode& gn)
     gn._appendChild<CollectionNode>(tr("Samples"), QIcon(":/icons/IconSample.svg"), INode::Type::Sample);
 }
 
-void ProjectModel::_buildGroupNode(GroupNode& gn)
+void ProjectModel::_buildGroupNode(GroupNode& gn, amuse::AudioGroup& group)
 {
-    amuse::AudioGroup& group = *gn.m_it->second;
     auto& songGroups = group.getProj().songGroups();
     auto& sfxGroups = group.getProj().sfxGroups();
     auto& soundMacros = group.getPool().soundMacros();
@@ -720,7 +842,7 @@ void ProjectModel::_resetModelData()
     {
         it->second->setIdDatabases();
         GroupNode& gn = m_root->makeChild<GroupNode>(it);
-        _buildGroupNode(gn);
+        _buildGroupNode(gn, *gn.m_it->second);
     }
     endResetModel();
 }
@@ -835,6 +957,7 @@ QVariant ProjectModel::data(const QModelIndex& index, int role) const
     switch (role)
     {
     case Qt::DisplayRole:
+    case Qt::EditRole:
         return item->text();
     case Qt::DecorationRole:
         return item->icon();
@@ -843,6 +966,87 @@ QVariant ProjectModel::data(const QModelIndex& index, int role) const
     }
 }
 
+class RenameNodeUndoCommand : public EditorUndoCommand
+{
+    QString m_redoVal, m_undoVal;
+public:
+    RenameNodeUndoCommand(const QString& text, ProjectModel::INode* node, const QString& redoVal)
+    : EditorUndoCommand(node, text.arg(node->name())), m_redoVal(redoVal) {}
+    void undo()
+    {
+        g_MainWindow->projectModel()->_renameNode(m_node.get(), m_undoVal);
+    }
+    void redo()
+    {
+        m_undoVal = m_node->name();
+        g_MainWindow->projectModel()->_renameNode(m_node.get(), m_redoVal);
+    }
+};
+
+void ProjectModel::_renameNode(INode* node, const QString& name)
+{
+    INode* parent = node->parent();
+    if (!parent)
+        return;
+    if (parent->findChild(name))
+        return;
+
+    QString oldName = node->m_name;
+    int oldIdx = parent->hypotheticalIndex(oldName);
+    int newIdx = parent->hypotheticalIndex(name);
+    bool moving = beginMoveRows(index(parent), oldIdx, oldIdx, index(parent), newIdx);
+    node->m_name = name;
+    parent->_sortChildren();
+    switch (node->type())
+    {
+    case INode::Type::Group:
+        m_dir.rename(oldName, name);
+        break;
+    case INode::Type::Sample:
+    {
+        ProjectModel::GroupNode* group = getGroupNode(node);
+        auto utf8Name = name.toUtf8();
+        group->getAudioGroup()->renameSample(static_cast<SampleNode*>(node)->id(),
+            std::string_view(utf8Name.data(), utf8Name.length()));
+        g_MainWindow->saveAction();
+        break;
+    }
+    default:
+        break;
+    }
+    QModelIndex idx = index(node);
+    emit dataChanged(idx, idx, {Qt::DisplayRole, Qt::EditRole});
+    if (g_MainWindow->getEditorNode() == node)
+        g_MainWindow->updateWindowTitle();
+    if (moving)
+        endMoveRows();
+}
+
+bool ProjectModel::setData(const QModelIndex& index, const QVariant& value, int role)
+{
+    if (!index.isValid() || role != Qt::EditRole)
+        return false;
+    assert(index.model() == this && "Not ProjectModel");
+
+    INode* item = static_cast<INode*>(index.internalPointer());
+    INode* parent = item->parent();
+    if (!parent)
+        return false;
+
+    if (item->name() == value.toString())
+        return false;
+
+    if (parent->findChild(value.toString()))
+    {
+        g_MainWindow->uiMessenger().critical(tr("Naming Conflict"),
+            tr("%1 already exists in this context").arg(value.toString()));
+        return false;
+    }
+
+    g_MainWindow->pushUndoCommand(new RenameNodeUndoCommand(tr("Rename %1"), item, value.toString()));
+    return true;
+}
+
 Qt::ItemFlags ProjectModel::flags(const QModelIndex& index) const
 {
     if (!index.isValid())
@@ -869,12 +1073,12 @@ ProjectModel::GroupNode* ProjectModel::getGroupNode(INode* node) const
     return getGroupNode(node->parent());
 }
 
-bool ProjectModel::canEdit(const QModelIndex& index) const
+AmuseItemEditFlags ProjectModel::editFlags(const QModelIndex& index) const
 {
     if (!index.isValid())
-        return false;
+        return AmuseItemNone;
     assert(index.model() == this && "Not ProjectModel");
-    return (static_cast<INode*>(index.internalPointer())->flags() & Qt::ItemIsSelectable) != Qt::NoItemFlags;
+    return static_cast<INode*>(index.internalPointer())->editFlags();
 }
 
 void ProjectModel::_postAddNode(INode* n, const NameUndoRegistry& registry)
@@ -897,31 +1101,34 @@ void ProjectModel::_preDelNode(INode* n, NameUndoRegistry& registry)
     });
 }
 
-class GroupNodeUndoCommand : public QUndoCommand
+class GroupNodeUndoCommand : public EditorUndoCommand
 {
 protected:
     std::unique_ptr<amuse::AudioGroupDatabase> m_data;
-    amuse::ObjToken<ProjectModel::GroupNode> m_node;
     ProjectModel::NameUndoRegistry m_nameReg;
     void add()
     {
-        g_MainWindow->projectModel()->_addNode(m_node.get(), std::move(m_data), m_nameReg);
+        g_MainWindow->projectModel()->_addNode(static_cast<ProjectModel::GroupNode*>(m_node.get()), std::move(m_data), m_nameReg);
         g_MainWindow->recursiveExpandAndSelectOutline(g_MainWindow->projectModel()->index(m_node.get()));
     }
     void del()
     {
-        m_data = g_MainWindow->projectModel()->_delNode(m_node.get(), m_nameReg);
+        m_data = g_MainWindow->projectModel()->_delNode(static_cast<ProjectModel::GroupNode*>(m_node.get()), m_nameReg);
+        setObsolete(true);
+        g_MainWindow->m_undoStack->clear();
     }
 public:
-    explicit GroupNodeUndoCommand(const QString& text, std::unique_ptr<amuse::AudioGroupDatabase>&& data, ProjectModel::GroupNode* node)
-    : QUndoCommand(text.arg(node->text())), m_data(std::move(data)), m_node(node) {}
+    explicit GroupNodeUndoCommand(const QString& text, std::unique_ptr<amuse::AudioGroupDatabase>&& data,
+                                  ProjectModel::GroupNode* node)
+    : EditorUndoCommand(node, text.arg(node->text())), m_data(std::move(data)) {}
 };
 
 class GroupNodeAddUndoCommand : public GroupNodeUndoCommand
 {
     using base = GroupNodeUndoCommand;
 public:
-    explicit GroupNodeAddUndoCommand(const QString& text, std::unique_ptr<amuse::AudioGroupDatabase>&& data, ProjectModel::GroupNode* node)
+    explicit GroupNodeAddUndoCommand(const QString& text, std::unique_ptr<amuse::AudioGroupDatabase>&& data,
+                                     ProjectModel::GroupNode* node)
     : GroupNodeUndoCommand(text, std::move(data), node) {}
     void undo() { base::del(); }
     void redo() { base::add(); }
@@ -956,6 +1163,7 @@ std::unique_ptr<amuse::AudioGroupDatabase> ProjectModel::_delNode(GroupNode* nod
     std::unique_ptr<amuse::AudioGroupDatabase> ret = std::move(node->m_it->second);
     m_groups.erase(node->m_it);
     node->m_it = {};
+    QDir(QFileInfo(m_dir, node->name()).filePath()).removeRecursively();
     m_root->removeChild(node);
     endRemoveRows();
     return ret;
@@ -978,24 +1186,23 @@ ProjectModel::GroupNode* ProjectModel::newSubproject(const QString& name)
 }
 
 template <class NT>
-class NodeUndoCommand : public QUndoCommand
+class NodeUndoCommand : public EditorUndoCommand
 {
 protected:
     amuse::ObjToken<ProjectModel::GroupNode> m_parent;
-    amuse::ObjToken<NT> m_node;
     ProjectModel::NameUndoRegistry m_nameReg;
     void add()
     {
-        g_MainWindow->projectModel()->_addNode(m_node.get(), m_parent.get(), m_nameReg);
+        g_MainWindow->projectModel()->_addNode(static_cast<NT*>(m_node.get()), m_parent.get(), m_nameReg);
         g_MainWindow->recursiveExpandAndSelectOutline(g_MainWindow->projectModel()->index(m_node.get()));
     }
     void del()
     {
-        g_MainWindow->projectModel()->_delNode(m_node.get(), m_parent.get(), m_nameReg);
+        g_MainWindow->projectModel()->_delNode(static_cast<NT*>(m_node.get()), m_parent.get(), m_nameReg);
     }
 public:
     explicit NodeUndoCommand(const QString& text, NT* node, ProjectModel::GroupNode* parent)
-    : QUndoCommand(text.arg(node->text())), m_parent(parent), m_node(node){}
+    : EditorUndoCommand(node, text.arg(node->text())), m_parent(parent) {}
 };
 
 template <class NT>
@@ -1109,6 +1316,8 @@ static constexpr ProjectModel::INode::Type GetINodeType(ProjectModel::KeymapNode
 { return ProjectModel::INode::Type::Keymap; }
 static constexpr ProjectModel::INode::Type GetINodeType(ProjectModel::LayersNode*)
 { return ProjectModel::INode::Type::Layer; }
+static constexpr ProjectModel::INode::Type GetINodeType(ProjectModel::SampleNode*)
+{ return ProjectModel::INode::Type::Sample; }
 
 static constexpr amuse::NameDB::Type GetNameDBType(ProjectModel::SoundMacroNode*)
 { return amuse::NameDB::Type::SoundMacro; }
@@ -1120,12 +1329,23 @@ static constexpr amuse::NameDB::Type GetNameDBType(ProjectModel::KeymapNode*)
 { return amuse::NameDB::Type::Keymap; }
 static constexpr amuse::NameDB::Type GetNameDBType(ProjectModel::LayersNode*)
 { return amuse::NameDB::Type::Layer; }
+static constexpr amuse::NameDB::Type GetNameDBType(ProjectModel::SampleNode*)
+{ return amuse::NameDB::Type::Sample; }
 
-static amuse::NameDB* GetNameDB(ProjectModel::SoundMacroNode*) { return amuse::SoundMacroId::CurNameDB; }
-static amuse::NameDB* GetNameDB(ProjectModel::ADSRNode*) { return amuse::TableId::CurNameDB; }
-static amuse::NameDB* GetNameDB(ProjectModel::CurveNode*) { return amuse::TableId::CurNameDB; }
-static amuse::NameDB* GetNameDB(ProjectModel::KeymapNode*) { return amuse::KeymapId::CurNameDB; }
-static amuse::NameDB* GetNameDB(ProjectModel::LayersNode*) { return amuse::LayersId::CurNameDB; }
+template <class NT>
+inline amuse::NameDB* GetNameDB() { return nullptr; }
+template <>
+inline amuse::NameDB* GetNameDB<ProjectModel::SoundMacroNode>() { return amuse::SoundMacroId::CurNameDB; }
+template <>
+inline amuse::NameDB* GetNameDB<ProjectModel::ADSRNode>() { return amuse::TableId::CurNameDB; }
+template <>
+inline amuse::NameDB* GetNameDB<ProjectModel::CurveNode>() { return amuse::TableId::CurNameDB; }
+template <>
+inline amuse::NameDB* GetNameDB<ProjectModel::KeymapNode>() { return amuse::KeymapId::CurNameDB; }
+template <>
+inline amuse::NameDB* GetNameDB<ProjectModel::LayersNode>() { return amuse::LayersId::CurNameDB; }
+template <>
+inline amuse::NameDB* GetNameDB<ProjectModel::SampleNode>() { return amuse::SampleId::CurNameDB; }
 
 template <class NT, class T>
 void ProjectModel::_addPoolNode(NT* node, GroupNode* parent, const NameUndoRegistry& registry, T& container)
@@ -1134,8 +1354,8 @@ void ProjectModel::_addPoolNode(NT* node, GroupNode* parent, const NameUndoRegis
     CollectionNode* coll = parent->getCollectionOfType(GetINodeType(node));
     int insertIdx = coll->hypotheticalIndex(node->name());
     beginInsertRows(index(coll), insertIdx, insertIdx);
-    auto newId = GetNameDB(node)->generateId(GetNameDBType(node));
-    GetNameDB(node)->registerPair(node->name().toUtf8().data(), newId);
+    auto newId = GetNameDB<NT>()->generateId(GetNameDBType(node));
+    GetNameDB<NT>()->registerPair(node->name().toUtf8().data(), newId);
     container[newId] = node->m_obj;
     node->m_id = newId;
     coll->insertChild(node);
@@ -1147,11 +1367,11 @@ template <class NT, class T>
 void ProjectModel::_delPoolNode(NT* node, GroupNode* parent, NameUndoRegistry& registry, T& container)
 {
     int idx = node->row();
+    setIdDatabases(parent);
     CollectionNode* coll = parent->getCollectionOfType(GetINodeType(node));
     beginRemoveRows(index(coll), idx, idx);
     _preDelNode(node, registry);
-    setIdDatabases(parent);
-    GetNameDB(node)->remove(node->m_id);
+    GetNameDB<NT>()->remove(node->m_id);
     container.erase(node->m_id);
     node->m_id = {};
     coll->removeChild(node);
@@ -1296,18 +1516,505 @@ ProjectModel::LayersNode* ProjectModel::newLayers(GroupNode* group, const QStrin
     return node.get();
 }
 
+QString ProjectModel::MakeDedupedSubprojectName(const QString& origName)
+{
+    QString dupeName = origName + tr("-copy");
+    QString useName = dupeName;
+    int dupeIdx = 1;
+    while (QFileInfo(m_dir.filePath(useName)).exists())
+        useName = dupeName + QString::number(dupeIdx++);
+    return useName;
+}
+
+QString ProjectModel::MakeDedupedName(const QString& origName, amuse::NameDB* db)
+{
+    QString dupeName = origName + tr("-copy");
+    QString useName = dupeName;
+    int dupeIdx = 1;
+    while (db->m_stringToId.find(useName.toUtf8().data()) != db->m_stringToId.cend())
+        useName = dupeName + QString::number(dupeIdx++);
+    return useName;
+}
+
+static amuse::ObjToken<std::unique_ptr<amuse::ITable>> DuplicateTable(amuse::ITable* table)
+{
+    switch (table->Isa())
+    {
+    case amuse::ITable::Type::ADSR:
+        return amuse::MakeObj<std::unique_ptr<amuse::ITable>>
+            (std::make_unique<amuse::ADSR>(static_cast<amuse::ADSR&>(*table)));
+    case amuse::ITable::Type::ADSRDLS:
+        return amuse::MakeObj<std::unique_ptr<amuse::ITable>>
+            (std::make_unique<amuse::ADSRDLS>(static_cast<amuse::ADSRDLS&>(*table)));
+    case amuse::ITable::Type::Curve:
+        return amuse::MakeObj<std::unique_ptr<amuse::ITable>>
+            (std::make_unique<amuse::Curve>(static_cast<amuse::Curve&>(*table)));
+    default:
+        return {};
+    }
+}
+
+QStringList ProjectModel::mimeTypes() const
+{
+    return {QStringLiteral("application/x-amuse-subprojectpath"),
+            QStringLiteral("application/x-amuse-songgroup"),
+            QStringLiteral("application/x-amuse-soundgroup"),
+            QStringLiteral("application/x-amuse-soundmacro"),
+            QStringLiteral("application/x-amuse-adsr"),
+            QStringLiteral("application/x-amuse-curve"),
+            QStringLiteral("application/x-amuse-keymap"),
+            QStringLiteral("application/x-amuse-layers"),
+            QStringLiteral("application/x-amuse-samplepath")};
+}
+
+static void WriteMimeYAML(athena::io::YAMLDocWriter& w, ProjectModel::SongGroupNode* n) { n->m_index->toYAML(w); }
+static void WriteMimeYAML(athena::io::YAMLDocWriter& w, ProjectModel::SoundGroupNode* n) { n->m_index->toYAML(w); }
+static void WriteMimeYAML(athena::io::YAMLDocWriter& w, ProjectModel::SoundMacroNode* n)
+{
+    if (auto __r2 = w.enterSubVector("cmds"))
+        n->m_obj->toYAML(w);
+}
+static void WriteMimeYAML(athena::io::YAMLDocWriter& w, ProjectModel::ADSRNode* n) { n->m_obj->get()->write(w); }
+static void WriteMimeYAML(athena::io::YAMLDocWriter& w, ProjectModel::CurveNode* n) { n->m_obj->get()->write(w); }
+static void WriteMimeYAML(athena::io::YAMLDocWriter& w, ProjectModel::KeymapNode* n)
+{
+    if (auto __v = w.enterSubVector("entries"))
+    {
+        for (const auto& km : *n->m_obj)
+        {
+            if (auto __r2 = w.enterSubRecord(nullptr))
+            {
+                w.setStyle(athena::io::YAMLNodeStyle::Flow);
+                km.write(w);
+            }
+        }
+    }
+}
+static void WriteMimeYAML(athena::io::YAMLDocWriter& w, ProjectModel::LayersNode* n)
+{
+    if (auto __v = w.enterSubVector("entries"))
+    {
+        for (const auto& lm : *n->m_obj)
+        {
+            if (auto __r2 = w.enterSubRecord(nullptr))
+            {
+                w.setStyle(athena::io::YAMLNodeStyle::Flow);
+                lm.write(w);
+            }
+        }
+    }
+}
+
+template <class NT>
+EditorUndoCommand* ProjectModel::readMimeYAML(athena::io::YAMLDocReader& r, const QString& name, GroupNode* gn) {}
+template <>
+EditorUndoCommand* ProjectModel::readMimeYAML<ProjectModel::SongGroupNode>
+    (athena::io::YAMLDocReader& r, const QString& name, GroupNode* gn)
+{
+    auto dataNode = amuse::MakeObj<amuse::SongGroupIndex>();
+    dataNode->fromYAML(r);
+    auto node = amuse::MakeObj<SongGroupNode>(name, dataNode);
+    return new NodeAddUndoCommand(ProjectModel::tr("Add Song Group %1"), node.get(), gn);
+}
+template <>
+EditorUndoCommand* ProjectModel::readMimeYAML<ProjectModel::SoundGroupNode>
+    (athena::io::YAMLDocReader& r, const QString& name, GroupNode* gn)
+{
+    auto dataNode = amuse::MakeObj<amuse::SFXGroupIndex>();
+    dataNode->fromYAML(r);
+    auto node = amuse::MakeObj<SoundGroupNode>(name, dataNode);
+    return new NodeAddUndoCommand(ProjectModel::tr("Add Sound Group %1"), node.get(), gn);
+}
+template <>
+EditorUndoCommand* ProjectModel::readMimeYAML<ProjectModel::SoundMacroNode>
+    (athena::io::YAMLDocReader& r, const QString& name, GroupNode* gn)
+{
+    auto dataNode = amuse::MakeObj<amuse::SoundMacro>();
+    size_t cmdCount;
+    if (auto __v = r.enterSubVector("cmds", cmdCount))
+        dataNode->fromYAML(r, cmdCount);
+    auto node = amuse::MakeObj<SoundMacroNode>(name, dataNode);
+    return new NodeAddUndoCommand(ProjectModel::tr("Add SoundMacro %1"), node.get(), gn);
+}
+template <>
+EditorUndoCommand* ProjectModel::readMimeYAML<ProjectModel::ADSRNode>
+    (athena::io::YAMLDocReader& r, const QString& name, GroupNode* gn)
+{
+    amuse::ObjToken<std::unique_ptr<amuse::ITable>> dataNode;
+    if (auto __vta = r.enterSubRecord("velToAttack"))
+    {
+        __vta.leave();
+        dataNode = amuse::MakeObj<std::unique_ptr<amuse::ITable>>(std::make_unique<amuse::ADSRDLS>());
+        static_cast<amuse::ADSRDLS&>(**dataNode).read(r);
+    }
+    else
+    {
+        dataNode = amuse::MakeObj<std::unique_ptr<amuse::ITable>>(std::make_unique<amuse::ADSR>());
+        static_cast<amuse::ADSR&>(**dataNode).read(r);
+    }
+    auto node = amuse::MakeObj<ADSRNode>(name, dataNode);
+    return new NodeAddUndoCommand(ProjectModel::tr("Add ADSR %1"), node.get(), gn);
+}
+template <>
+EditorUndoCommand* ProjectModel::readMimeYAML<ProjectModel::CurveNode>
+    (athena::io::YAMLDocReader& r, const QString& name, GroupNode* gn)
+{
+    auto dataNode = amuse::MakeObj<std::unique_ptr<amuse::ITable>>(std::make_unique<amuse::Curve>());
+    static_cast<amuse::Curve&>(**dataNode).read(r);
+    auto node = amuse::MakeObj<CurveNode>(name, dataNode);
+    return new NodeAddUndoCommand(ProjectModel::tr("Add Curve %1"), node.get(), gn);
+}
+template <>
+EditorUndoCommand* ProjectModel::readMimeYAML<ProjectModel::KeymapNode>
+    (athena::io::YAMLDocReader& r, const QString& name, GroupNode* gn)
+{
+    auto dataNode = amuse::MakeObj<std::array<amuse::Keymap, 128>>();
+    size_t entryCount;
+    if (auto __v = r.enterSubVector("entries", entryCount))
+    {
+        for (size_t i = 0; i < entryCount; ++i)
+        {
+            if (auto __r2 = r.enterSubRecord(nullptr))
+            {
+                (*dataNode)[i].read(r);
+            }
+        }
+    }
+    auto node = amuse::MakeObj<KeymapNode>(name, dataNode);
+    return new NodeAddUndoCommand(ProjectModel::tr("Add Keymap %1"), node.get(), gn);
+}
+template <>
+EditorUndoCommand* ProjectModel::readMimeYAML<ProjectModel::LayersNode>
+    (athena::io::YAMLDocReader& r, const QString& name, GroupNode* gn)
+{
+    auto dataNode = amuse::MakeObj<std::vector<amuse::LayerMapping>>();
+    size_t entryCount;
+    if (auto __v = r.enterSubVector("entries", entryCount))
+    {
+        dataNode->resize(entryCount);
+        for (size_t i = 0; i < entryCount; ++i)
+        {
+            if (auto __r2 = r.enterSubRecord(nullptr))
+            {
+                (*dataNode)[i].read(r);
+            }
+        }
+    }
+    auto node = amuse::MakeObj<LayersNode>(name, dataNode);
+    return new NodeAddUndoCommand(ProjectModel::tr("Add Layers %1"), node.get(), gn);
+}
+
+template <class NT>
+void ProjectModel::loadMimeData(const QMimeData* data, const QString& mimeType, GroupNode* gn)
+{
+    auto d = data->data(mimeType);
+    athena::io::MemoryReader mr(d.data(), atUint64(d.length()));
+    athena::io::YAMLDocReader r;
+    if (r.parse(&mr))
+    {
+        QString newName = MakeDedupedName(QString::fromStdString(r.readString("name")), GetNameDB<NT>());
+        g_MainWindow->pushUndoCommand(readMimeYAML<NT>(r, newName, gn));
+    }
+}
+
+template <class NT>
+QMimeData* MakeMimeData(NT* n, const QString& mimeType)
+{
+    QMimeData* data = new QMimeData;
+    athena::io::VectorWriter vw;
+    athena::io::YAMLDocWriter w(nullptr);
+    w.writeString("name", QStringToSysString(n->name()));
+    WriteMimeYAML(w, n);
+    w.finish(&vw);
+    data->setData(mimeType, QByteArray((char*)vw.data().data(), int(vw.data().size())));
+    return data;
+}
+
+QMimeData* ProjectModel::mimeData(const QModelIndexList& indexes) const
+{
+    QModelIndex index = indexes.first();
+    if (!index.isValid())
+        return nullptr;
+    assert(index.model() == this && "Not ProjectModel");
+    INode* n = node(index);
+    switch (n->type())
+    {
+    case INode::Type::Group:
+    {
+        QDir dir(QFileInfo(m_dir, n->name()).filePath());
+        QMimeData* data = new QMimeData;
+        data->setData(QStringLiteral("application/x-amuse-subprojectpath"), dir.path().toUtf8());
+        return data;
+    }
+    case INode::Type::SoundGroup:
+        return MakeMimeData(static_cast<SoundGroupNode*>(n), QStringLiteral("application/x-amuse-soundgroup"));
+    case INode::Type::SongGroup:
+        return MakeMimeData(static_cast<SongGroupNode*>(n), QStringLiteral("application/x-amuse-songgroup"));
+    case INode::Type::SoundMacro:
+        return MakeMimeData(static_cast<SoundMacroNode*>(n), QStringLiteral("application/x-amuse-soundmacro"));
+    case INode::Type::ADSR:
+        return MakeMimeData(static_cast<ADSRNode*>(n), QStringLiteral("application/x-amuse-adsr"));
+    case INode::Type::Curve:
+        return MakeMimeData(static_cast<CurveNode*>(n), QStringLiteral("application/x-amuse-curve"));
+    case INode::Type::Keymap:
+        return MakeMimeData(static_cast<KeymapNode*>(n), QStringLiteral("application/x-amuse-keymap"));
+    case INode::Type::Layer:
+        return MakeMimeData(static_cast<LayersNode*>(n), QStringLiteral("application/x-amuse-layers"));
+    case INode::Type::Sample:
+    {
+        GroupNode* gn = getGroupNode(n);
+        QString path = SysStringToQString(gn->getAudioGroup()->getSampleBasePath(static_cast<SampleNode*>(n)->id()));
+        QMimeData* data = new QMimeData;
+        data->setData(QStringLiteral("application/x-amuse-samplepath"), path.toUtf8());
+        return data;
+    }
+    default:
+        return nullptr;
+    }
+}
+
+bool ProjectModel::dropMimeData(const QMimeData* data, Qt::DropAction action,
+                                int row, int column, const QModelIndex& parent)
+{
+    if (data->hasFormat(QStringLiteral("application/x-amuse-subprojectpath")))
+    {
+        auto path = data->data(QStringLiteral("application/x-amuse-subprojectpath"));
+        QDir oldDir(path);
+        QString newName = MakeDedupedSubprojectName(oldDir.dirName());
+        m_dir.mkdir(newName);
+        QDir newDir(QFileInfo(m_dir, newName).filePath());
+        for (auto ent : oldDir.entryList({"*.wav", "*.dsp", "*.vadpcm", "!pool.yaml", "!project.yaml"}, QDir::Files))
+            QFile::copy(QFileInfo(oldDir, ent).filePath(), QFileInfo(newDir, ent).filePath());
+        auto dataNode = std::make_unique<amuse::AudioGroupDatabase>(QStringToSysString(newDir.path()));
+        auto node = amuse::MakeObj<GroupNode>(newName);
+        _buildGroupNode(*node, *dataNode);
+        g_MainWindow->pushUndoCommand(
+            new GroupNodeAddUndoCommand(tr("Add Subproject %1"), std::move(dataNode), node.get()));
+        return true;
+    }
+
+    GroupNode* gn;
+    if (parent.isValid())
+        gn = getGroupNode(node(parent));
+    else
+        gn = static_cast<GroupNode*>(m_root->child(row));
+    setIdDatabases(gn);
+
+    if (data->hasFormat(QStringLiteral("application/x-amuse-soundgroup")))
+        loadMimeData<SoundGroupNode>(data, QStringLiteral("application/x-amuse-soundgroup"), gn);
+    else if (data->hasFormat(QStringLiteral("application/x-amuse-songgroup")))
+        loadMimeData<SongGroupNode>(data, QStringLiteral("application/x-amuse-songgroup"), gn);
+    else if (data->hasFormat(QStringLiteral("application/x-amuse-soundmacro")))
+        loadMimeData<SoundMacroNode>(data, QStringLiteral("application/x-amuse-soundmacro"), gn);
+    else if (data->hasFormat(QStringLiteral("application/x-amuse-adsr")))
+        loadMimeData<ADSRNode>(data, QStringLiteral("application/x-amuse-adsr"), gn);
+    else if (data->hasFormat(QStringLiteral("application/x-amuse-curve")))
+        loadMimeData<CurveNode>(data, QStringLiteral("application/x-amuse-curve"), gn);
+    else if (data->hasFormat(QStringLiteral("application/x-amuse-keymap")))
+        loadMimeData<KeymapNode>(data, QStringLiteral("application/x-amuse-keymap"), gn);
+    else if (data->hasFormat(QStringLiteral("application/x-amuse-layers")))
+        loadMimeData<LayersNode>(data, QStringLiteral("application/x-amuse-layers"), gn);
+    else if (data->hasFormat(QStringLiteral("application/x-amuse-samplepath")))
+    {
+        auto path = data->data(QStringLiteral("application/x-amuse-samplepath"));
+        QString newName = MakeDedupedName(QFileInfo(path).completeBaseName(), amuse::SampleId::CurNameDB);
+        QString newBasePath = QFileInfo(QFileInfo(m_dir, gn->name()).filePath(), newName).filePath();
+        amuse::SystemString newBasePathStr = QStringToSysString(newBasePath);
+        gn->getAudioGroup()->copySampleInto(QStringToSysString(QString::fromUtf8(path)), newBasePathStr);
+        auto dataNode = amuse::MakeObj<amuse::SampleEntry>();
+        dataNode->loadLooseData(newBasePathStr);
+        auto node = amuse::MakeObj<SampleNode>(newName, dataNode);
+        NameUndoRegistry dummy;
+        _addPoolNode(node.get(), gn, dummy, gn->getAudioGroup()->getSdir().sampleEntries());
+    }
+    else
+        return false;
+
+    return true;
+}
+
+void ProjectModel::cut(const QModelIndex& index)
+{
+    if (!index.isValid())
+        return;
+    assert(index.model() == this && "Not ProjectModel");
+    QMimeData* data = mimeData({index});
+    if (data)
+    {
+        QGuiApplication::clipboard()->setMimeData(data);
+        INode* n = node(index);
+        EditorUndoCommand* cmd = nullptr;
+        switch (n->type())
+        {
+        case INode::Type::SongGroup:
+            cmd = new NodeDelUndoCommand(tr("Cut SongGroup %1"), static_cast<SongGroupNode*>(n));
+            break;
+        case INode::Type::SoundGroup:
+            cmd = new NodeDelUndoCommand(tr("Cut SFXGroup %1"), static_cast<SoundGroupNode*>(n));
+            break;
+        case INode::Type::SoundMacro:
+            cmd = new NodeDelUndoCommand(tr("Cut SoundMacro %1"), static_cast<SoundMacroNode*>(n));
+            break;
+        case INode::Type::ADSR:
+            cmd = new NodeDelUndoCommand(tr("Cut ADSR %1"), static_cast<ADSRNode*>(n));
+            break;
+        case INode::Type::Curve:
+            cmd = new NodeDelUndoCommand(tr("Cut Curve %1"), static_cast<CurveNode*>(n));
+            break;
+        case INode::Type::Keymap:
+            cmd = new NodeDelUndoCommand(tr("Cut Keymap %1"), static_cast<KeymapNode*>(n));
+            break;
+        case INode::Type::Layer:
+            cmd = new NodeDelUndoCommand(tr("Cut Layers %1"), static_cast<LayersNode*>(n));
+            break;
+        default:
+            break;
+        }
+        if (cmd)
+            g_MainWindow->pushUndoCommand(cmd);
+    }
+}
+
+void ProjectModel::copy(const QModelIndex& index)
+{
+    if (!index.isValid())
+        return;
+    assert(index.model() == this && "Not ProjectModel");
+    QMimeData* data = mimeData({index});
+    if (data)
+        QGuiApplication::clipboard()->setMimeData(data);
+}
+
+void ProjectModel::paste(const QModelIndex& index)
+{
+    if (!index.isValid())
+        return;
+    assert(index.model() == this && "Not ProjectModel");
+    dropMimeData(QGuiApplication::clipboard()->mimeData(), Qt::DropAction::CopyAction,
+                 index.row(), index.column(), index.parent());
+}
+
+QModelIndex ProjectModel::duplicate(const QModelIndex& index)
+{
+    QModelIndex ret;
+    if (!index.isValid())
+        return ret;
+    assert(index.model() == this && "Not ProjectModel");
+    INode* n = node(index);
+    setIdDatabases(n);
+    EditorUndoCommand* cmd = nullptr;
+    amuse::NameDB* nameDb = n->getNameDb();
+    QString newName;
+    if (nameDb)
+        newName = MakeDedupedName(n->name(), nameDb);
+    GroupNode* gn = getGroupNode(n);
+    switch (n->type())
+    {
+    case INode::Type::Group:
+    {
+        GroupNode* cn = static_cast<GroupNode*>(n);
+        newName = MakeDedupedSubprojectName(n->name());
+        m_dir.mkdir(newName);
+        QDir oldDir(QFileInfo(m_dir, n->name()).filePath());
+        QDir newDir(QFileInfo(m_dir, newName).filePath());
+        for (auto ent : oldDir.entryList({"*.wav", "*.dsp", "*.vadpcm", "!pool.yaml"}, QDir::Files))
+            QFile::copy(QFileInfo(oldDir, ent).filePath(), QFileInfo(newDir, ent).filePath());
+        auto data = std::make_unique<amuse::AudioGroupDatabase>(*cn->getAudioGroup(), QStringToSysString(newDir.path()));
+        auto node = amuse::MakeObj<GroupNode>(newName);
+        _buildGroupNode(*node, *data);
+        cmd = new GroupNodeAddUndoCommand(tr("Add Subproject %1"), std::move(data), node.get());
+        ret = ProjectModel::index(node.get());
+        break;
+    }
+    case INode::Type::SoundGroup:
+    {
+        SoundGroupNode* cn = static_cast<SoundGroupNode*>(n);
+        auto node = amuse::MakeObj<SoundGroupNode>(newName, amuse::MakeObj<amuse::SFXGroupIndex>(*cn->m_index));
+        cmd = new NodeAddUndoCommand(tr("Add Sound Group %1"), node.get(), gn);
+        ret = ProjectModel::index(node.get());
+        break;
+    }
+    case INode::Type::SongGroup:
+    {
+        SongGroupNode* cn = static_cast<SongGroupNode*>(n);
+        auto node = amuse::MakeObj<SongGroupNode>(newName, amuse::MakeObj<amuse::SongGroupIndex>(*cn->m_index));
+        cmd = new NodeAddUndoCommand(tr("Add Song Group %1"), node.get(), gn);
+        ret = ProjectModel::index(node.get());
+        break;
+    }
+    case INode::Type::SoundMacro:
+    {
+        SoundMacroNode* cn = static_cast<SoundMacroNode*>(n);
+        auto dataNode = amuse::MakeObj<amuse::SoundMacro>();
+        dataNode->buildFromPrototype(*cn->m_obj);
+        auto node = amuse::MakeObj<SoundMacroNode>(newName, dataNode);
+        cmd = new NodeAddUndoCommand(tr("Add Sound Macro %1"), node.get(), gn);
+        ret = ProjectModel::index(node.get());
+        break;
+    }
+    case INode::Type::ADSR:
+    {
+        ADSRNode* cn = static_cast<ADSRNode*>(n);
+        auto node = amuse::MakeObj<ADSRNode>(newName, DuplicateTable(cn->m_obj->get()));
+        cmd = new NodeAddUndoCommand(tr("Add ADSR %1"), node.get(), gn);
+        ret = ProjectModel::index(node.get());
+        break;
+    }
+    case INode::Type::Curve:
+    {
+        CurveNode* cn = static_cast<CurveNode*>(n);
+        auto node = amuse::MakeObj<CurveNode>(newName, DuplicateTable(cn->m_obj->get()));
+        cmd = new NodeAddUndoCommand(tr("Add Curve %1"), node.get(), gn);
+        ret = ProjectModel::index(node.get());
+        break;
+    }
+    case INode::Type::Keymap:
+    {
+        KeymapNode* cn = static_cast<KeymapNode*>(n);
+        auto node = amuse::MakeObj<KeymapNode>(newName, amuse::MakeObj<std::array<amuse::Keymap, 128>>(*cn->m_obj));
+        cmd = new NodeAddUndoCommand(tr("Add Keymap %1"), node.get(), gn);
+        ret = ProjectModel::index(node.get());
+        break;
+    }
+    case INode::Type::Layer:
+    {
+        LayersNode* cn = static_cast<LayersNode*>(n);
+        auto node = amuse::MakeObj<LayersNode>(newName, amuse::MakeObj<std::vector<amuse::LayerMapping>>(*cn->m_obj));
+        cmd = new NodeAddUndoCommand(tr("Add Layers %1"), node.get(), gn);
+        ret = ProjectModel::index(node.get());
+        break;
+    }
+    default:
+        break;
+    }
+    if (cmd)
+        g_MainWindow->pushUndoCommand(cmd);
+    return ret;
+}
+
 void ProjectModel::del(const QModelIndex& index)
 {
     if (!index.isValid())
         return;
     assert(index.model() == this && "Not ProjectModel");
     INode* n = node(index);
-    QUndoCommand* cmd = nullptr;
+    EditorUndoCommand* cmd = nullptr;
     switch (n->type())
     {
     case INode::Type::Group:
-        cmd = new GroupNodeDelUndoCommand(tr("Delete Subproject %1"), static_cast<GroupNode*>(n));
+    {
+        int result = g_MainWindow->uiMessenger().warning(tr("Delete Subproject"),
+            tr("<p>The subproject %1 will be permanently deleted from the project. "
+               "Sample files will be permanently removed from the file system.</p>"
+               "<p><strong>This action cannot be undone!</strong></p><p>Continue?</p>").arg(n->name()),
+               QMessageBox::Yes, QMessageBox::No);
+        if (result == QMessageBox::No)
+            return;
+        NameUndoRegistry nameReg;
+        g_MainWindow->projectModel()->_delNode(static_cast<GroupNode*>(n), nameReg);
+        g_MainWindow->m_undoStack->clear();
         break;
+    }
     case INode::Type::SongGroup:
         cmd = new NodeDelUndoCommand(tr("Delete SongGroup %1"), static_cast<SongGroupNode*>(n));
         break;
@@ -1329,6 +2036,21 @@ void ProjectModel::del(const QModelIndex& index)
     case INode::Type::Layer:
         cmd = new NodeDelUndoCommand(tr("Delete Layers %1"), static_cast<LayersNode*>(n));
         break;
+    case INode::Type::Sample:
+    {
+        int result = g_MainWindow->uiMessenger().warning(tr("Delete Sample"),
+            tr("<p>The sample %1 will be permanently deleted from the file system. "
+               "<p><strong>This action cannot be undone!</strong></p><p>Continue?</p>").arg(n->name()),
+               QMessageBox::Yes, QMessageBox::No);
+        if (result == QMessageBox::No)
+            return;
+        NameUndoRegistry nameReg;
+        GroupNode* gn = getGroupNode(n);
+        gn->getAudioGroup()->deleteSample(static_cast<SampleNode*>(n)->id());
+        _delPoolNode(static_cast<SampleNode*>(n), gn, nameReg, gn->getAudioGroup()->getSdir().sampleEntries());
+        g_MainWindow->m_undoStack->clear();
+        break;
+    }
     default:
         break;
     }

Editor/ProjectModel.hpp

@@ -15,6 +15,18 @@
 #include "amuse/AudioGroupSampleDirectory.hpp"
 
 class ProjectModel;
+class EditorUndoCommand;
+
+enum AmuseItemEditFlags
+{
+    AmuseItemNone   = 0,
+    AmuseItemCut    = 1,
+    AmuseItemCopy   = 2,
+    AmuseItemPaste  = 4,
+    AmuseItemDelete = 8,
+    AmuseItemNoCut  = (AmuseItemCopy | AmuseItemPaste | AmuseItemDelete),
+    AmuseItemAll    = (AmuseItemCut | AmuseItemCopy | AmuseItemPaste | AmuseItemDelete)
+};
 
 class NullItemProxyModel : public QIdentityProxyModel
 {
@@ -86,6 +98,8 @@ private:
 public:
     class INode : public amuse::IObj
     {
+        friend class ProjectModel;
+        virtual void _sortChildren();
     public:
         enum class Type
         {
@@ -144,13 +158,14 @@ public:
         }
         amuse::ObjToken<INode> removeChild(INode* n)
         {
-            int row = n->row();
-            assert(n == m_children.at(row).get() && "Removing non-child from node");
+            amuse::ObjToken<INode> ret = n;
+            int row = ret->row();
+            assert(ret.get() == m_children.at(row).get() && "Removing non-child from node");
             m_children.erase(m_children.begin() + row);
             reindexRows(row);
-            n->m_parent = nullptr;
-            n->m_row = -1;
-            return n;
+            ret->m_parent = nullptr;
+            ret->m_row = -1;
+            return ret;
         }
 
         void reserve(size_t sz) { m_children.reserve(sz); }
@@ -172,6 +187,17 @@ public:
             return static_cast<T&>(*tok);
         }
 
+        INode* findChild(const QString& name) const
+        {
+            int idx = hypotheticalIndex(name);
+            if (idx >= m_children.size())
+                return nullptr;
+            INode* ret = m_children[idx].get();
+            if (ret->name() == name)
+                return ret;
+            return nullptr;
+        }
+
         bool depthTraverse(const std::function<bool(INode* node)>& func)
         {
             for (auto& n : m_children)
@@ -191,15 +217,18 @@ public:
         const QString& name() const { return m_name; }
         virtual int hypotheticalIndex(const QString& name) const;
 
+        virtual amuse::NameDB* getNameDb() const { return nullptr; }
+
         virtual Type type() const = 0;
         virtual QString text() const = 0;
         virtual QIcon icon() const = 0;
-        virtual Qt::ItemFlags flags() const { return Qt::ItemIsEnabled | Qt::ItemIsSelectable; }
+        virtual Qt::ItemFlags flags() const { return Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsEditable; }
+        virtual AmuseItemEditFlags editFlags() const { return AmuseItemNone; }
 
         virtual void registerNames(const NameUndoRegistry& registry) const {}
         virtual void unregisterNames(NameUndoRegistry& registry) const {}
     };
-    struct NullNode : INode
+    struct NullNode final : INode
     {
         NullNode(INode* parent) : INode(parent) {}
 
@@ -207,7 +236,7 @@ public:
         QString text() const { return {}; }
         QIcon icon() const { return {}; }
     };
-    struct RootNode : INode
+    struct RootNode final : INode
     {
         RootNode() : INode(QStringLiteral("<root>")) {}
 
@@ -218,7 +247,7 @@ public:
     };
     struct CollectionNode;
     struct BasePoolObjectNode;
-    struct GroupNode : INode
+    struct GroupNode final : INode
     {
         std::unordered_map<QString, std::unique_ptr<amuse::AudioGroupDatabase>>::iterator m_it;
         GroupNode(const QString& name) : INode(name) {}
@@ -226,17 +255,19 @@ public:
         : INode(it->first), m_it(it) {}
 
         int hypotheticalIndex(const QString& name) const;
+        void _sortChildren();
 
         static QIcon Icon;
         Type type() const { return Type::Group; }
         QString text() const { return m_name; }
         QIcon icon() const { return Icon; }
+        AmuseItemEditFlags editFlags() const { return AmuseItemNoCut; }
 
         CollectionNode* getCollectionOfType(Type tp) const;
         amuse::AudioGroupDatabase* getAudioGroup() const { return m_it->second.get(); }
         BasePoolObjectNode* pageObjectNodeOfId(amuse::ObjectId id) const;
     };
-    struct SongGroupNode : INode
+    struct SongGroupNode final : INode
     {
         amuse::GroupId m_id;
         amuse::ObjToken<amuse::SongGroupIndex> m_index;
@@ -249,6 +280,9 @@ public:
         Type type() const { return Type::SongGroup; }
         QString text() const { return m_name; }
         QIcon icon() const { return Icon; }
+        AmuseItemEditFlags editFlags() const { return AmuseItemAll; }
+
+        amuse::NameDB* getNameDb() const { return amuse::GroupId::CurNameDB; }
 
         void registerNames(const NameUndoRegistry& registry) const
         {
@@ -263,7 +297,7 @@ public:
                 registry.unregisterSongName(p.first);
         }
     };
-    struct SoundGroupNode : INode
+    struct SoundGroupNode final : INode
     {
         amuse::GroupId m_id;
         amuse::ObjToken<amuse::SFXGroupIndex> m_index;
@@ -276,6 +310,9 @@ public:
         Type type() const { return Type::SoundGroup; }
         QString text() const { return m_name; }
         QIcon icon() const { return Icon; }
+        AmuseItemEditFlags editFlags() const { return AmuseItemAll; }
+
+        amuse::NameDB* getNameDb() const { return amuse::GroupId::CurNameDB; }
 
         void registerNames(const NameUndoRegistry& registry) const
         {
@@ -290,7 +327,7 @@ public:
                 registry.unregisterSFXName(p.first);
         }
     };
-    struct CollectionNode : INode
+    struct CollectionNode final : INode
     {
         QIcon m_icon;
         Type m_collectionType;
@@ -319,7 +356,7 @@ public:
         QIcon icon() const { return {}; }
     };
     template <class ID, class T, INode::Type TP>
-    struct PoolObjectNode : BasePoolObjectNode
+    struct PoolObjectNode final : BasePoolObjectNode
     {
         amuse::ObjToken<T> m_obj;
         PoolObjectNode(const QString& name, amuse::ObjToken<T> obj) : BasePoolObjectNode(name), m_obj(obj) {}
@@ -327,6 +364,7 @@ public:
         : BasePoolObjectNode(id, ID::CurNameDB->resolveNameFromId(id).data()), m_obj(obj) {}
 
         Type type() const { return TP; }
+        AmuseItemEditFlags editFlags() const { return TP == INode::Type::Sample ? AmuseItemNoCut : AmuseItemAll; }
 
         void registerNames(const NameUndoRegistry& registry) const
         {
@@ -336,6 +374,10 @@ public:
         {
             ID::CurNameDB->remove(m_id);
         }
+        amuse::NameDB* getNameDb() const
+        {
+            return ID::CurNameDB;
+        }
     };
     using SoundMacroNode = PoolObjectNode<amuse::SoundMacroId, amuse::SoundMacro, INode::Type::SoundMacro>;
     using ADSRNode = PoolObjectNode<amuse::TableId, std::unique_ptr<amuse::ITable>, INode::Type::ADSR>;
@@ -348,9 +390,11 @@ public:
 
     bool m_needsReset = false;
     void _buildGroupNodeCollections(GroupNode& gn);
-    void _buildGroupNode(GroupNode& gn);
+    void _buildGroupNode(GroupNode& gn, amuse::AudioGroup& group);
     void _resetModelData();
     void _resetSongRefCount();
+    QString MakeDedupedSubprojectName(const QString& origName);
+    static QString MakeDedupedName(const QString& origName, amuse::NameDB* db);
 
 public:
     explicit ProjectModel(const QString& path, QObject* parent = Q_NULLPTR);
@@ -366,7 +410,10 @@ public:
     bool saveToFile(UIMessenger& messenger);
     QStringList getGroupList() const;
     bool exportGroup(const QString& path, const QString& groupName, UIMessenger& messenger) const;
+    bool importHeader(const QString& path, const QString& groupName, UIMessenger& messenger) const;
+    bool exportHeader(const QString& path, const QString& groupName, bool& yesToAll, UIMessenger& messenger) const;
 
+    void updateNodeNames();
     bool ensureModelData();
 
     QModelIndex proxyCreateIndex(int arow, int acolumn, void *adata) const;
@@ -376,10 +423,11 @@ public:
     int rowCount(const QModelIndex& parent = QModelIndex()) const;
     int columnCount(const QModelIndex& parent = QModelIndex()) const;
     QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const;
+    bool setData(const QModelIndex& index, const QVariant& value, int role = Qt::EditRole);
     Qt::ItemFlags flags(const QModelIndex& index) const;
     INode* node(const QModelIndex& index) const;
     GroupNode* getGroupNode(INode* node) const;
-    bool canEdit(const QModelIndex& index) const;
+    AmuseItemEditFlags editFlags(const QModelIndex& index) const;
     RootNode* rootNode() const { return m_root.get(); }
 
     void _postAddNode(INode* n, const NameUndoRegistry& registry);
@@ -417,6 +465,21 @@ public:
     void _addNode(LayersNode* node, GroupNode* parent, const NameUndoRegistry& registry);
     void _delNode(LayersNode* node, GroupNode* parent, NameUndoRegistry& registry);
     LayersNode* newLayers(GroupNode* group, const QString& name);
+    void _renameNode(INode* node, const QString& name);
+
+    template <class NT>
+    EditorUndoCommand* readMimeYAML(athena::io::YAMLDocReader& r, const QString& name, GroupNode* gn);
+    template <class NT>
+    void loadMimeData(const QMimeData* data, const QString& mimeType, GroupNode* gn);
+
+    QStringList mimeTypes() const;
+    QMimeData* mimeData(const QModelIndexList& indexes) const;
+    bool dropMimeData(const QMimeData* data, Qt::DropAction action, int row, int column, const QModelIndex &parent);
+
+    void cut(const QModelIndex& index);
+    void copy(const QModelIndex& index);
+    void paste(const QModelIndex& index);
+    QModelIndex duplicate(const QModelIndex& index);
     void del(const QModelIndex& index);
 
     const QDir& dir() const { return m_dir; }

Editor/SongGroupEditor.cpp

@@ -251,24 +251,17 @@ void PageObjectDelegate::setEditorData(QWidget* editor, const QModelIndex& index
         idx = g_MainWindow->projectModel()->getPageObjectProxy()->mapFromSource(g_MainWindow->projectModel()->index(node)).row();
     static_cast<EditorFieldPageObjectNode*>(editor)->setCurrentIndex(idx);
     if (static_cast<EditorFieldPageObjectNode*>(editor)->shouldPopupOpen())
-        static_cast<EditorFieldPageObjectNode*>(editor)->showPopup();
+        QApplication::postEvent(editor, new QEvent(QEvent::User));
 }
 
 void PageObjectDelegate::setModelData(QWidget* editor, QAbstractItemModel* m, const QModelIndex& index) const
 {
     const PageModel* model = static_cast<const PageModel*>(m);
     auto entry = model->m_sorted[index.row()];
-    int idx = static_cast<EditorFieldPageObjectNode*>(editor)->currentIndex();
+    ProjectModel::BasePoolObjectNode* node = static_cast<EditorFieldPageObjectNode*>(editor)->currentNode();
     amuse::ObjectId id;
-    if (idx != 0)
-    {
-        ProjectModel::BasePoolObjectNode* node = static_cast<ProjectModel::BasePoolObjectNode*>(
-            g_MainWindow->projectModel()->node(
-                g_MainWindow->projectModel()->getPageObjectProxy()->mapToSource(
-                    g_MainWindow->projectModel()->getPageObjectProxy()->index(idx, 0,
-                        static_cast<EditorFieldPageObjectNode*>(editor)->rootModelIndex()))));
+    if (node)
         id = node->id();
-    }
     if (id == entry->second.objId.id)
     {
         emit m->dataChanged(index, index);
@@ -432,7 +425,7 @@ QVariant PageModel::data(const QModelIndex& index, int role) const
         switch (index.column())
         {
         case 0:
-            return entry->first;
+            return entry->first + 1;
         case 1:
         {
             ProjectModel::GroupNode* group = g_MainWindow->projectModel()->getGroupNode(m_node.get());
@@ -464,9 +457,10 @@ bool PageModel::setData(const QModelIndex& index, const QVariant& value, int rol
     {
     case 0:
     {
-        if (value.toInt() == entry->first)
+        int prog = value.toInt() - 1;
+        if (prog == entry->first)
             return false;
-        if (map.find(value.toInt()) != map.cend())
+        if (map.find(prog) != map.cend())
         {
             QMessageBox::critical(g_MainWindow, tr("Program Conflict"),
                 tr("Program %1 is already defined in table").arg(value.toInt()));
@@ -935,7 +929,7 @@ QVariant SetupModel::data(const QModelIndex& index, int role) const
         switch (index.column())
         {
         case 0:
-            return entry.programNo;
+            return entry.programNo + 1;
         case 1:
             return entry.volume;
         case 2:
@@ -959,26 +953,28 @@ bool SetupModel::setData(const QModelIndex& index, const QVariant& value, int ro
 
     auto& entry = m_data->second[index.row()];
 
+    int val = value.toInt();
     switch (index.column())
     {
     case 0:
-        if (entry.programNo == value.toInt())
+        val -= 1;
+        if (entry.programNo == val)
             return false;
         break;
     case 1:
-        if (entry.volume == value.toInt())
+        if (entry.volume == val)
             return false;
         break;
     case 2:
-        if (entry.panning == value.toInt())
+        if (entry.panning == val)
             return false;
         break;
     case 3:
-        if (entry.reverb == value.toInt())
+        if (entry.reverb == val)
             return false;
         break;
     case 4:
-        if (entry.chorus == value.toInt())
+        if (entry.chorus == val)
             return false;
         break;
     default:
@@ -988,7 +984,7 @@ bool SetupModel::setData(const QModelIndex& index, const QVariant& value, int ro
     g_MainWindow->pushUndoCommand(new SetupDataChangeUndoCommand(
         static_cast<SongGroupEditor*>(parent())->m_setupList.m_node.get(),
         tr("Change %1").arg(headerData(index.column(), Qt::Horizontal).toString()), m_data->first,
-        index.row(), index.column(), value.toInt()));
+        index.row(), index.column(), val));
 
     emit dataChanged(index, index, {Qt::DisplayRole, Qt::EditRole});
 
@@ -1076,9 +1072,10 @@ PageTableView::PageTableView(QWidget* parent)
     setGridStyle(Qt::NoPen);
 
     m_127Delegate.setItemEditorFactory(&m_127Factory);
+    m_128Delegate.setItemEditorFactory(&m_128Factory);
     m_255Delegate.setItemEditorFactory(&m_255Factory);
 
-    setItemDelegateForColumn(0, &m_127Delegate);
+    setItemDelegateForColumn(0, &m_128Delegate);
     setItemDelegateForColumn(1, &m_poDelegate);
     setItemDelegateForColumn(2, &m_255Delegate);
     setItemDelegateForColumn(3, &m_255Delegate);
@@ -1095,8 +1092,8 @@ void SetupTableView::setModel(QAbstractItemModel* list, QAbstractItemModel* tabl
     }
     {
         m_tableView->setModel(table);
-        auto hheader = m_tableView->horizontalHeader();
-        hheader->setSectionResizeMode(QHeaderView::Stretch);
+        m_tableView->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
+        m_tableView->verticalHeader()->setSectionResizeMode(QHeaderView::Fixed);
     }
 }
 
@@ -1142,8 +1139,9 @@ SetupTableView::SetupTableView(QWidget* parent)
     m_tableView->setGridStyle(Qt::NoPen);
 
     m_127Delegate.setItemEditorFactory(&m_127Factory);
+    m_128Delegate.setItemEditorFactory(&m_128Factory);
 
-    m_tableView->setItemDelegateForColumn(0, &m_127Delegate);
+    m_tableView->setItemDelegateForColumn(0, &m_128Delegate);
     m_tableView->setItemDelegateForColumn(1, &m_127Delegate);
     m_tableView->setItemDelegateForColumn(2, &m_127Delegate);
     m_tableView->setItemDelegateForColumn(3, &m_127Delegate);
@@ -1434,28 +1432,13 @@ void SongGroupEditor::setupDataChanged()
     }
 }
 
-bool SongGroupEditor::isItemEditEnabled() const
+AmuseItemEditFlags SongGroupEditor::itemEditFlags() const
 {
     if (PageTableView* table = qobject_cast<PageTableView*>(m_tabs.currentWidget()))
-        return table->hasFocus() && !table->selectionModel()->selectedRows().isEmpty();
+        return (table->hasFocus() && !table->selectionModel()->selectedRows().isEmpty()) ? AmuseItemDelete : AmuseItemNone;
     else if (SetupTableView* table = qobject_cast<SetupTableView*>(m_tabs.currentWidget()))
-        return table->m_listView->hasFocus() && !table->m_listView->selectionModel()->selectedRows().isEmpty();
-    return false;
-}
-
-void SongGroupEditor::itemCutAction()
-{
-
-}
-
-void SongGroupEditor::itemCopyAction()
-{
-
-}
-
-void SongGroupEditor::itemPasteAction()
-{
-
+        return (table->m_listView->hasFocus() && !table->m_listView->selectionModel()->selectedRows().isEmpty()) ? AmuseItemDelete : AmuseItemNone;
+    return AmuseItemNone;
 }
 
 void SongGroupEditor::itemDeleteAction()

Editor/SongGroupEditor.hpp

@@ -170,8 +170,9 @@ class PageTableView : public QTableView
     Q_OBJECT
     PageObjectDelegate m_poDelegate;
     RangedValueFactory<0, 127> m_127Factory;
+    RangedValueFactory<1, 128> m_128Factory;
     RangedValueFactory<0, 255> m_255Factory;
-    QStyledItemDelegate m_127Delegate, m_255Delegate;
+    QStyledItemDelegate m_127Delegate, m_128Delegate, m_255Delegate;
 public:
     explicit PageTableView(QWidget* parent = Q_NULLPTR);
     void setModel(QAbstractItemModel* model);
@@ -187,7 +188,8 @@ class SetupTableView : public QSplitter
     QTableView* m_tableView;
     MIDIFileDelegate m_midiDelegate;
     RangedValueFactory<0, 127> m_127Factory;
-    QStyledItemDelegate m_127Delegate;
+    RangedValueFactory<1, 128> m_128Factory;
+    QStyledItemDelegate m_127Delegate, m_128Delegate;
 public:
     explicit SetupTableView(QWidget* parent = Q_NULLPTR);
     void setModel(QAbstractItemModel* list, QAbstractItemModel* table);
@@ -262,7 +264,7 @@ public:
     void setEditorEnabled(bool en) {}
     void resizeEvent(QResizeEvent* ev);
     QTableView* getSetupListView() const { return m_setupTable->m_listView; }
-    bool isItemEditEnabled() const;
+    AmuseItemEditFlags itemEditFlags() const;
 public slots:
     void doAdd();
     void doSelectionChanged();
@@ -271,10 +273,6 @@ public slots:
     void rowsAboutToBeRemoved(const QModelIndex &parent, int first, int last);
     void modelAboutToBeReset();
     void setupDataChanged();
-
-    void itemCutAction();
-    void itemCopyAction();
-    void itemPasteAction();
     void itemDeleteAction();
 };
 

Editor/SoundGroupEditor.cpp

@@ -142,24 +142,17 @@ void SFXObjectDelegate::setEditorData(QWidget* editor, const QModelIndex& index)
         idx = g_MainWindow->projectModel()->getPageObjectProxy()->mapFromSource(g_MainWindow->projectModel()->index(node)).row();
     static_cast<EditorFieldPageObjectNode*>(editor)->setCurrentIndex(idx);
     if (static_cast<EditorFieldPageObjectNode*>(editor)->shouldPopupOpen())
-        static_cast<EditorFieldPageObjectNode*>(editor)->showPopup();
+        QApplication::postEvent(editor, new QEvent(QEvent::User));
 }
 
 void SFXObjectDelegate::setModelData(QWidget* editor, QAbstractItemModel* m, const QModelIndex& index) const
 {
     const SFXModel* model = static_cast<const SFXModel*>(m);
     auto entry = model->m_sorted[index.row()];
-    int idx = static_cast<EditorFieldPageObjectNode*>(editor)->currentIndex();
+    ProjectModel::BasePoolObjectNode* node = static_cast<EditorFieldPageObjectNode*>(editor)->currentNode();
     amuse::ObjectId id;
-    if (idx != 0)
-    {
-        ProjectModel::BasePoolObjectNode* node = static_cast<ProjectModel::BasePoolObjectNode*>(
-            g_MainWindow->projectModel()->node(
-                g_MainWindow->projectModel()->getPageObjectProxy()->mapToSource(
-                    g_MainWindow->projectModel()->getPageObjectProxy()->index(idx, 0,
-                        static_cast<EditorFieldPageObjectNode*>(editor)->rootModelIndex()))));
+    if (node)
         id = node->id();
-    }
     if (id == entry->second.objId.id)
     {
         emit m->dataChanged(index, index);
@@ -614,9 +607,9 @@ void SoundGroupEditor::resizeEvent(QResizeEvent* ev)
     m_addRemoveButtons.move(0, ev->size().height() - 32);
 }
 
-bool SoundGroupEditor::isItemEditEnabled() const
+AmuseItemEditFlags SoundGroupEditor::itemEditFlags() const
 {
-    return m_sfxTable->hasFocus() && !m_sfxTable->selectionModel()->selectedRows().isEmpty();
+    return (m_sfxTable->hasFocus() && !m_sfxTable->selectionModel()->selectedRows().isEmpty()) ? AmuseItemDelete : AmuseItemNone;
 }
 
 void SoundGroupEditor::doAdd()
@@ -652,21 +645,6 @@ void SoundGroupEditor::sfxDataChanged()
     }
 }
 
-void SoundGroupEditor::itemCutAction()
-{
-
-}
-
-void SoundGroupEditor::itemCopyAction()
-{
-
-}
-
-void SoundGroupEditor::itemPasteAction()
-{
-
-}
-
 void SoundGroupEditor::itemDeleteAction()
 {
     m_sfxTable->deleteSelection();

Editor/SoundGroupEditor.hpp

@@ -116,15 +116,11 @@ public:
     void setEditorEnabled(bool en) {}
     void resizeEvent(QResizeEvent* ev);
     QTableView* getSFXListView() const { return m_sfxTable; }
-    bool isItemEditEnabled() const;
+    AmuseItemEditFlags itemEditFlags() const;
 public slots:
     void doAdd();
     void doSelectionChanged();
     void sfxDataChanged();
-
-    void itemCutAction();
-    void itemCopyAction();
-    void itemPasteAction();
     void itemDeleteAction();
 };
 

Editor/SoundMacroEditor.cpp

@@ -37,11 +37,7 @@ void FieldSoundMacroStep::targetPressed()
 {
     ProjectModel::SoundMacroNode* node = nullptr;
     if (m_macroField)
-    {
-        int val = m_macroField->currentIndex();
-        if (val != 0)
-            node = static_cast<ProjectModel::SoundMacroNode*>(m_macroField->collection()->nodeOfIndex(val - 1));
-    }
+        node = static_cast<ProjectModel::SoundMacroNode*>(m_macroField->currentNode());
 
     if (!m_macroField || node == getListing()->currentNode())
         if (SoundMacroEditor* editor = getEditor())
@@ -60,8 +56,8 @@ void FieldSoundMacroStep::updateMacroField()
         return;
     }
 
-    int val = m_macroField->currentIndex();
-    if (val == 0)
+    ProjectModel::SoundMacroNode* node = static_cast<ProjectModel::SoundMacroNode*>(m_macroField->currentNode());
+    if (node == nullptr)
     {
         m_spinBox.setValue(0);
         m_spinBox.setDisabled(true);
@@ -69,8 +65,6 @@ void FieldSoundMacroStep::updateMacroField()
     }
     else
     {
-        ProjectModel::SoundMacroNode* node = static_cast<ProjectModel::SoundMacroNode*>(
-            m_macroField->collection()->nodeOfIndex(val - 1));
         int numCmds = int(node->m_obj->m_cmds.size());
         m_spinBox.setMaximum(numCmds - 1);
         m_spinBox.setDisabled(false);

Editor/resources/IconBack.svg

@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="20"
+   height="20"
+   viewBox="0 0 5.2916665 5.2916669"
+   id="svg2"
+   version="1.1"
+   inkscape:version="0.92.2 2405546, 2018-03-11"
+   sodipodi:docname="IconBack.svg">
+  <defs
+     id="defs4" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#393939"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="39.383707"
+     inkscape:cx="6.3383887"
+     inkscape:cy="7.7203454"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="true"
+     units="px"
+     inkscape:window-width="3840"
+     inkscape:window-height="2079"
+     inkscape:window-x="0"
+     inkscape:window-y="40"
+     inkscape:window-maximized="1"
+     showborder="true"
+     objecttolerance="4"
+     gridtolerance="4"
+     guidetolerance="5">
+    <inkscape:grid
+       type="xygrid"
+       id="grid4173"
+       empspacing="1"
+       visible="true" />
+  </sodipodi:namedview>
+  <metadata
+     id="metadata7">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-291.70832)">
+    <path
+       style="fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:0.26458332px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
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+       id="path841"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cccccccc" />
+  </g>
+</svg>

Editor/resources/IconBackDisabled.svg

@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="20"
+   height="20"
+   viewBox="0 0 5.2916665 5.2916669"
+   id="svg2"
+   version="1.1"
+   inkscape:version="0.92.2 2405546, 2018-03-11"
+   sodipodi:docname="IconBackDisabled.svg">
+  <defs
+     id="defs4" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#393939"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="39.383707"
+     inkscape:cx="1.7552752"
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+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="true"
+     units="px"
+     inkscape:window-width="3840"
+     inkscape:window-height="2079"
+     inkscape:window-x="0"
+     inkscape:window-y="40"
+     inkscape:window-maximized="1"
+     showborder="true"
+     objecttolerance="4"
+     gridtolerance="4"
+     guidetolerance="5">
+    <inkscape:grid
+       type="xygrid"
+       id="grid4173"
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+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
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+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
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+       id="path841"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cccccccc" />
+  </g>
+</svg>

Editor/resources/IconForward.svg

@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="20"
+   height="20"
+   viewBox="0 0 5.2916665 5.2916669"
+   id="svg2"
+   version="1.1"
+   inkscape:version="0.92.2 2405546, 2018-03-11"
+   sodipodi:docname="IconForward.svg">
+  <defs
+     id="defs4" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#393939"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="39.383707"
+     inkscape:cx="6.3383887"
+     inkscape:cy="7.7203454"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="true"
+     units="px"
+     inkscape:window-width="3840"
+     inkscape:window-height="2079"
+     inkscape:window-x="0"
+     inkscape:window-y="40"
+     inkscape:window-maximized="1"
+     showborder="true"
+     objecttolerance="4"
+     gridtolerance="4"
+     guidetolerance="5">
+    <inkscape:grid
+       type="xygrid"
+       id="grid4173"
+       empspacing="1"
+       visible="true" />
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+     id="metadata7">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-291.70832)">
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+       d="m 5.2916667,294.35415 -2.6458333,-2.64583 v 1.5875 H 0 v 1.85208 h 2.6458334 v 1.85209 z"
+       id="path841"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cccccccc" />
+  </g>
+</svg>

Editor/resources/IconForwardDisabled.svg

@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="20"
+   height="20"
+   viewBox="0 0 5.2916665 5.2916669"
+   id="svg2"
+   version="1.1"
+   inkscape:version="0.92.2 2405546, 2018-03-11"
+   sodipodi:docname="IconForwardDisabled.svg">
+  <defs
+     id="defs4" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#393939"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="39.383707"
+     inkscape:cx="6.3383887"
+     inkscape:cy="7.7203454"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="true"
+     units="px"
+     inkscape:window-width="3840"
+     inkscape:window-height="2079"
+     inkscape:window-x="0"
+     inkscape:window-y="40"
+     inkscape:window-maximized="1"
+     showborder="true"
+     objecttolerance="4"
+     gridtolerance="4"
+     guidetolerance="5">
+    <inkscape:grid
+       type="xygrid"
+       id="grid4173"
+       empspacing="1"
+       visible="true" />
+  </sodipodi:namedview>
+  <metadata
+     id="metadata7">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-291.70832)">
+    <path
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+       d="m 5.2916667,294.35415 -2.6458333,-2.64583 v 1.5875 H 0 v 1.85208 h 2.6458334 v 1.85209 z"
+       id="path841"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cccccccc" />
+  </g>
+</svg>

Editor/resources/resources.qrc

@@ -36,6 +36,10 @@
         <file>IconFX.svg</file>
         <file>IconB.svg</file>
         <file>IconA.svg</file>
+        <file>IconBack.svg</file>
+        <file>IconForward.svg</file>
+        <file>IconBackDisabled.svg</file>
+        <file>IconForwardDisabled.svg</file>
     </qresource>
     <qresource prefix="/bg">
         <file>FaceGrey.svg</file>

include/amuse/AudioGroup.hpp

@@ -4,15 +4,18 @@
 #include "AudioGroupPool.hpp"
 #include "AudioGroupProject.hpp"
 #include "AudioGroupSampleDirectory.hpp"
+#include <unordered_set>
 
 namespace amuse
 {
 class AudioGroupData;
+class ProjectDatabase;
 
 /** Runtime audio group index container */
 class AudioGroup
 {
     friend class AudioGroupSampleDirectory;
+protected:
     AudioGroupProject m_proj;
     AudioGroupPool m_pool;
     AudioGroupSampleDirectory m_sdir;
@@ -20,16 +23,17 @@ class AudioGroup
     SystemString m_groupPath; /* Typically only set by editor */
     bool m_valid;
 
-    SystemString getSampleBasePath(SampleId sfxId) const;
-
 public:
+    SystemString getSampleBasePath(SampleId sfxId) const;
     operator bool() const { return m_valid; }
     AudioGroup() = default;
     explicit AudioGroup(const AudioGroupData& data) { assign(data); }
     explicit AudioGroup(SystemStringView groupPath) { assign(groupPath); }
+    explicit AudioGroup(const AudioGroup& data, SystemStringView groupPath) { assign(data, groupPath); }
 
     void assign(const AudioGroupData& data);
     void assign(SystemStringView groupPath);
+    void assign(const AudioGroup& data, SystemStringView groupPath);
     void setGroupPath(SystemStringView groupPath) { m_groupPath = groupPath; }
 
     const SampleEntry* getSample(SampleId sfxId) const;
@@ -58,6 +62,9 @@ class AudioGroupDatabase final : public AudioGroup
     NameDB m_keymapDb;
     NameDB m_layersDb;
 
+    void _recursiveRenameMacro(SoundMacroId id, std::string_view str, int& macroIdx,
+                               std::unordered_set<SoundMacroId>& renamedIds);
+
 public:
     AudioGroupDatabase() = default;
     explicit AudioGroupDatabase(const AudioGroupData& data)
@@ -70,6 +77,11 @@ public:
         setIdDatabases();
         assign(groupPath);
     }
+    explicit AudioGroupDatabase(const AudioGroupDatabase& data, SystemStringView groupPath)
+    {
+        setIdDatabases();
+        assign(data, groupPath);
+    }
 
     void setIdDatabases() const
     {
@@ -79,6 +91,13 @@ public:
         KeymapId::CurNameDB = const_cast<NameDB*>(&m_keymapDb);
         LayersId::CurNameDB = const_cast<NameDB*>(&m_layersDb);
     }
+
+    void renameSample(SampleId id, std::string_view str);
+    void deleteSample(SampleId id);
+    void copySampleInto(const SystemString& basePath, const SystemString& newBasePath);
+
+    void importCHeader(std::string_view header);
+    std::string exportCHeader(std::string_view projectName, std::string_view groupName) const;
 };
 
 class ProjectDatabase

include/amuse/AudioGroupPool.hpp

@@ -1157,6 +1157,9 @@ struct SoundMacro
         std::swap(m_cmds[a], m_cmds[b]);
     }
     void buildFromPrototype(const SoundMacro& other);
+
+    void toYAML(athena::io::YAMLDocWriter& w) const;
+    void fromYAML(athena::io::YAMLDocReader& r, size_t cmdCount);
 };
 
 template <typename T>

include/amuse/AudioGroupProject.hpp

@@ -125,6 +125,9 @@ struct SongGroupIndex : AudioGroupIndex
           reverb(setup.reverb), chorus(setup.chorus) {}
     };
     std::unordered_map<SongId, std::array<MIDISetup, 16>> m_midiSetups;
+
+    void toYAML(athena::io::YAMLDocWriter& w) const;
+    void fromYAML(athena::io::YAMLDocReader& r);
 };
 
 /** Root index of SFXGroup */
@@ -177,6 +180,12 @@ struct SFXGroupIndex : AudioGroupIndex
         }
     };
     std::unordered_map<SFXId, SFXEntry> m_sfxEntries;
+
+    SFXGroupIndex() = default;
+    SFXGroupIndex(const SFXGroupIndex& other);
+
+    void toYAML(athena::io::YAMLDocWriter& w) const;
+    void fromYAML(athena::io::YAMLDocReader& r);
 };
 
 /** Collection of SongGroup and SFXGroup indexes */
@@ -196,6 +205,7 @@ public:
     AudioGroupProject() = default;
     static AudioGroupProject CreateAudioGroupProject(const AudioGroupData& data);
     static AudioGroupProject CreateAudioGroupProject(SystemStringView groupPath);
+    static AudioGroupProject CreateAudioGroupProject(const AudioGroupProject& oldProj);
     static void BootstrapObjectIDs(const AudioGroupData& data);
 
     const SongGroupIndex* getSongGroupIndex(int groupId) const;

include/amuse/AudioGroupSampleDirectory.hpp

@@ -349,6 +349,7 @@ public:
     static AudioGroupSampleDirectory CreateAudioGroupSampleDirectory(SystemStringView groupPath);
 
     const std::unordered_map<SampleId, ObjToken<Entry>>& sampleEntries() const { return m_entries; }
+    std::unordered_map<SampleId, ObjToken<Entry>>& sampleEntries() { return m_entries; }
 
     void extractWAV(SampleId id, amuse::SystemStringView destDir, const unsigned char* samp) const;
     void extractAllWAV(amuse::SystemStringView destDir, const unsigned char* samp) const;

include/amuse/Common.hpp

@@ -16,6 +16,7 @@
 #include <strings.h>
 #include <sys/stat.h>
 #include <unistd.h>
+#include <fcntl.h>
 #else
 #ifndef WIN32_LEAN_AND_MEAN
 #define WIN32_LEAN_AND_MEAN 1
@@ -176,6 +177,10 @@ public:
     ObjTokenBase& operator=(ObjTokenBase&& other)
     { if (m_obj) m_obj->decrement(); m_obj = other.m_obj; other.m_obj = nullptr; return *this; }
     ~ObjTokenBase() { if (m_obj) m_obj->decrement(); }
+    bool operator==(const ObjTokenBase& other) const { return m_obj == other.m_obj; }
+    bool operator!=(const ObjTokenBase& other) const { return m_obj != other.m_obj; }
+    bool operator<(const ObjTokenBase& other) const { return m_obj < other.m_obj; }
+    bool operator>(const ObjTokenBase& other) const { return m_obj > other.m_obj; }
     operator bool() const { return m_obj != nullptr; }
     void reset() { if (m_obj) m_obj->decrement(); m_obj = nullptr; }
 };
@@ -276,6 +281,16 @@ static inline int Mkdir(const char* path, mode_t mode) { return mkdir(path, mode
 static inline int Stat(const char* path, Sstat* statout) { return stat(path, statout); }
 #endif
 
+static inline int Rename(const SystemChar* oldpath, const SystemChar* newpath)
+{
+#if _WIN32
+    //return _wrename(oldpath, newpath);
+    return MoveFileExW(oldpath, newpath, MOVEFILE_REPLACE_EXISTING | MOVEFILE_WRITE_THROUGH) == 0;
+#else
+    return rename(oldpath, newpath);
+#endif
+}
+
 #if _WIN32
 static inline int CompareCaseInsensitive(const char* a, const char* b) { return _stricmp(a, b); }
 #endif
@@ -415,6 +430,8 @@ static inline void Unlink(const SystemChar* file)
 #endif
 }
 
+bool Copy(const SystemChar* from, const SystemChar* to);
+
 #undef bswap16
 #undef bswap32
 #undef bswap64
@@ -618,7 +635,7 @@ DECL_ID_HASH(GroupId)
 template<class T>
 struct hash<amuse::ObjToken<T>>
 {
-    size_t operator()(const amuse::ObjToken<T>& val) const noexcept { return reinterpret_cast<size_t>(val.get()); }
+    size_t operator()(const amuse::ObjToken<T>& val) const noexcept { return hash<T*>()(val.get()); }
 };
 }
 

include/amuse/Entity.hpp

@@ -28,10 +28,10 @@ protected:
     }
     Engine& m_engine;
     const AudioGroup& m_audioGroup;
-    int m_groupId;
+    GroupId m_groupId;
     ObjectId m_objectId; /* if applicable */
 public:
-    Entity(Engine& engine, const AudioGroup& group, int groupId, ObjectId oid = ObjectId())
+    Entity(Engine& engine, const AudioGroup& group, GroupId groupId, ObjectId oid = ObjectId())
     : m_engine(engine), m_audioGroup(group), m_groupId(groupId), m_objectId(oid)
     {
     }
@@ -43,7 +43,7 @@ public:
 
     Engine& getEngine() { return m_engine; }
     const AudioGroup& getAudioGroup() const { return m_audioGroup; }
-    int getGroupId() const { return m_groupId; }
+    GroupId getGroupId() const { return m_groupId; }
     ObjectId getObjectId() const { return m_objectId; }
     bool isDestroyed() const { return m_destroyed; }
 };

include/amuse/Sequencer.hpp

@@ -92,9 +92,9 @@ class Sequencer : public Entity
 
 public:
     ~Sequencer();
-    Sequencer(Engine& engine, const AudioGroup& group, int groupId, const SongGroupIndex* songGroup, int setupId,
+    Sequencer(Engine& engine, const AudioGroup& group, GroupId groupId, const SongGroupIndex* songGroup, SongId setupId,
               ObjToken<Studio> studio);
-    Sequencer(Engine& engine, const AudioGroup& group, int groupId, const SFXGroupIndex* sfxGroup,
+    Sequencer(Engine& engine, const AudioGroup& group, GroupId groupId, const SFXGroupIndex* sfxGroup,
               ObjToken<Studio> studio);
 
     /** Advance current song data (if any) */

include/amuse/SongState.hpp

@@ -84,7 +84,7 @@ class SongState
         int32_t m_modVal = 0;                            /**< Accumulated value of mod */
         uint32_t m_nextModTick = 0;                      /**< Upcoming position of mod wheel change */
         int32_t m_nextModDelta = 0;                      /**< Upcoming delta value of mod */
-        std::array<int, 128> m_remNoteLengths;           /**< Remaining ticks per note */
+        std::array<int, 128> m_remNoteLengths = {};      /**< Remaining ticks per note */
 
         int32_t m_eventWaitCountdown = 0; /**< Current wait in ticks */
         int32_t m_lastN64EventTick =

lib/AudioGroup.cpp

@@ -1,5 +1,9 @@
 #include "amuse/AudioGroup.hpp"
 #include "amuse/AudioGroupData.hpp"
+#include <regex>
+#include <athena/FileReader.hpp>
+
+using namespace std::literals;
 
 namespace amuse
 {
@@ -20,6 +24,15 @@ void AudioGroup::assign(SystemStringView groupPath)
     m_proj = AudioGroupProject::CreateAudioGroupProject(groupPath);
     m_samp = nullptr;
 }
+void AudioGroup::assign(const AudioGroup& data, SystemStringView groupPath)
+{
+    /* Reverse order when loading intermediates */
+    m_groupPath = groupPath;
+    m_sdir = AudioGroupSampleDirectory::CreateAudioGroupSampleDirectory(groupPath);
+    m_pool = AudioGroupPool::CreateAudioGroupPool(groupPath);
+    m_proj = AudioGroupProject::CreateAudioGroupProject(data.getProj());
+    m_samp = nullptr;
+}
 
 const SampleEntry* AudioGroup::getSample(SampleId sfxId) const
 {
@@ -93,4 +106,249 @@ void AudioGroup::makeCompressedVersion(SampleId sfxId, const SampleEntry* sample
         m_sdir._extractCompressed(sfxId, *sample->m_data, m_groupPath, sample->m_data->m_looseData.get(), true);
     }
 }
+
+void AudioGroupDatabase::renameSample(SampleId id, std::string_view str)
+{
+    SystemString oldBasePath = getSampleBasePath(id);
+    SampleId::CurNameDB->rename(id, str);
+    SystemString newBasePath = getSampleBasePath(id);
+    Rename((oldBasePath + _S(".wav")).c_str(), (newBasePath + _S(".wav")).c_str());
+    Rename((oldBasePath + _S(".dsp")).c_str(), (newBasePath + _S(".dsp")).c_str());
+    Rename((oldBasePath + _S(".vadpcm")).c_str(), (newBasePath + _S(".vadpcm")).c_str());
+}
+
+void AudioGroupDatabase::deleteSample(SampleId id)
+{
+    SystemString basePath = getSampleBasePath(id);
+    Unlink((basePath + _S(".wav")).c_str());
+    Unlink((basePath + _S(".dsp")).c_str());
+    Unlink((basePath + _S(".vadpcm")).c_str());
+}
+
+void AudioGroupDatabase::copySampleInto(const SystemString& basePath, const SystemString& newBasePath)
+{
+    Copy((basePath + _S(".wav")).c_str(), (newBasePath + _S(".wav")).c_str());
+    Copy((basePath + _S(".dsp")).c_str(), (newBasePath + _S(".dsp")).c_str());
+    Copy((basePath + _S(".vadpcm")).c_str(), (newBasePath + _S(".vadpcm")).c_str());
+}
+
+void AudioGroupDatabase::_recursiveRenameMacro(SoundMacroId id, std::string_view str, int& macroIdx,
+                                               std::unordered_set<SoundMacroId>& renamedIds)
+{
+    if (renamedIds.find(id) != renamedIds.cend())
+        return;
+    if (const SoundMacro* macro = getPool().soundMacro(id))
+    {
+        if (!strncmp(SoundMacroId::CurNameDB->resolveNameFromId(id).data(), "macro", 5))
+        {
+            std::string macroName("macro"sv);
+            if (macroIdx)
+            {
+                char num[16];
+                snprintf(num, 16, "%d", macroIdx);
+                macroName += num;
+            }
+            macroName += '_';
+            macroName += str;
+            ++macroIdx;
+            SoundMacroId::CurNameDB->rename(id, macroName);
+            renamedIds.insert(id);
+            int sampleIdx = 0;
+            for (const auto& cmd : macro->m_cmds)
+            {
+                switch (cmd->Isa())
+                {
+                case SoundMacro::CmdOp::StartSample:
+                {
+                    SoundMacro::CmdStartSample* ss = static_cast<SoundMacro::CmdStartSample*>(cmd.get());
+                    if (!strncmp(SampleId::CurNameDB->resolveNameFromId(ss->sample.id).data(), "sample", 6))
+                    {
+                        std::string sampleName("sample"sv);
+                        if (sampleIdx)
+                        {
+                            char num[16];
+                            snprintf(num, 16, "%d", sampleIdx);
+                            sampleName += num;
+                        }
+                        sampleName += '_';
+                        sampleName += macroName;
+                        ++sampleIdx;
+                        renameSample(ss->sample.id, sampleName);
+                    }
+                }
+                case SoundMacro::CmdOp::SplitKey:
+                    _recursiveRenameMacro(static_cast<SoundMacro::CmdSplitKey*>(cmd.get())->macro, str, macroIdx, renamedIds);
+                    break;
+                case SoundMacro::CmdOp::SplitVel:
+                    _recursiveRenameMacro(static_cast<SoundMacro::CmdSplitVel*>(cmd.get())->macro, str, macroIdx, renamedIds);
+                    break;
+                case SoundMacro::CmdOp::Goto:
+                    _recursiveRenameMacro(static_cast<SoundMacro::CmdGoto*>(cmd.get())->macro, str, macroIdx, renamedIds);
+                    break;
+                case SoundMacro::CmdOp::PlayMacro:
+                    _recursiveRenameMacro(static_cast<SoundMacro::CmdPlayMacro*>(cmd.get())->macro, str, macroIdx, renamedIds);
+                    break;
+                case SoundMacro::CmdOp::SplitMod:
+                    _recursiveRenameMacro(static_cast<SoundMacro::CmdSplitMod*>(cmd.get())->macro, str, macroIdx, renamedIds);
+                    break;
+                case SoundMacro::CmdOp::SplitRnd:
+                    _recursiveRenameMacro(static_cast<SoundMacro::CmdSplitRnd*>(cmd.get())->macro, str, macroIdx, renamedIds);
+                    break;
+                case SoundMacro::CmdOp::GoSub:
+                    _recursiveRenameMacro(static_cast<SoundMacro::CmdGoSub*>(cmd.get())->macro, str, macroIdx, renamedIds);
+                    break;
+                case SoundMacro::CmdOp::TrapEvent:
+                    _recursiveRenameMacro(static_cast<SoundMacro::CmdTrapEvent*>(cmd.get())->macro, str, macroIdx, renamedIds);
+                    break;
+                case SoundMacro::CmdOp::SendMessage:
+                    _recursiveRenameMacro(static_cast<SoundMacro::CmdSendMessage*>(cmd.get())->macro, str, macroIdx, renamedIds);
+                    break;
+                default:
+                    break;
+                }
+            }
+        }
+    }
+}
+
+static const std::regex DefineGRPEntry(R"(#define\s+GRP(\S+)\s+(\S+))",
+                                       std::regex::ECMAScript|std::regex::optimize);
+static const std::regex DefineSNGEntry(R"(#define\s+SNG(\S+)\s+(\S+))",
+                                       std::regex::ECMAScript|std::regex::optimize);
+static const std::regex DefineSFXEntry(R"(#define\s+SFX(\S+)\s+(\S+))",
+                                       std::regex::ECMAScript|std::regex::optimize);
+
+void AudioGroupDatabase::importCHeader(std::string_view header)
+{
+    setIdDatabases();
+    std::match_results<std::string_view::const_iterator> dirMatch;
+    auto begin = header.cbegin();
+    auto end = header.cend();
+    while (std::regex_search(begin, end, dirMatch, DefineGRPEntry))
+    {
+        std::string key = dirMatch[1].str();
+        std::string value = dirMatch[2].str();
+        char* endPtr;
+        amuse::ObjectId id;
+        id.id = strtoul(value.c_str(), &endPtr, 0);
+        if (endPtr == value.c_str())
+            continue;
+        GroupId::CurNameDB->rename(id, key);
+        begin = dirMatch.suffix().first;
+    }
+    begin = header.cbegin();
+    end = header.cend();
+    while (std::regex_search(begin, end, dirMatch, DefineSNGEntry))
+    {
+        std::string key = dirMatch[1].str();
+        std::string value = dirMatch[2].str();
+        char* endPtr;
+        amuse::ObjectId id;
+        id.id = strtoul(value.c_str(), &endPtr, 0);
+        if (endPtr == value.c_str())
+            continue;
+        SongId::CurNameDB->rename(id, key);
+        begin = dirMatch.suffix().first;
+    }
+    begin = header.cbegin();
+    end = header.cend();
+    std::unordered_set<SoundMacroId> renamedMacroIDs;
+    while (std::regex_search(begin, end, dirMatch, DefineSFXEntry))
+    {
+        std::string key = dirMatch[1].str();
+        std::string value = dirMatch[2].str();
+        char* endPtr;
+        amuse::ObjectId id;
+        id.id = strtoul(value.c_str(), &endPtr, 0);
+        if (endPtr == value.c_str())
+            continue;
+        SFXId::CurNameDB->rename(id, key);
+        int macroIdx = 0;
+        for (auto& sfxGrp : getProj().sfxGroups())
+        {
+            for (auto& sfx : sfxGrp.second->m_sfxEntries)
+            {
+                if (sfx.first == id)
+                {
+                    ObjectId sfxObjId = sfx.second.objId;
+                    if (sfxObjId == ObjectId() || sfxObjId.id & 0xc000)
+                        continue;
+                    _recursiveRenameMacro(sfxObjId, key, macroIdx, renamedMacroIDs);
+                }
+            }
+        }
+        begin = dirMatch.suffix().first;
+    }
+}
+
+static void WriteDefineLine(std::string& ret, std::string_view typeStr, std::string_view name, ObjectId id)
+{
+    ret += "#define "sv;
+    ret += typeStr;
+    ret += name;
+    ret += ' ';
+    char idStr[16];
+    snprintf(idStr, 16, "%d", id.id);
+    ret += idStr;
+    ret += '\n';
+}
+
+std::string AudioGroupDatabase::exportCHeader(std::string_view projectName, std::string_view groupName) const
+{
+    setIdDatabases();
+    std::string ret;
+    ret += "/* Auto-generated Amuse Defines\n"
+           " *\n"
+           " * Project: "sv;
+    ret += projectName;
+    ret += "\n"
+           " * Subproject: "sv;
+    ret += groupName;
+    ret += "\n"
+           " * Date: "sv;
+    time_t curTime = time(nullptr);
+    struct tm curTm;
+    localtime_r(&curTime, &curTm);
+    char curTmStr[26];
+    asctime_r(&curTm, curTmStr);
+    ret += curTmStr;
+    ret += "\n"
+           " */\n\n\n"sv;
+
+    for (const auto& sg : SortUnorderedMap(getProj().songGroups()))
+    {
+        auto name = amuse::GroupId::CurNameDB->resolveNameFromId(sg.first);
+        WriteDefineLine(ret, "GRP"sv, name, sg.first);
+    }
+    for (const auto& sg : SortUnorderedMap(getProj().sfxGroups()))
+    {
+        auto name = amuse::GroupId::CurNameDB->resolveNameFromId(sg.first);
+        WriteDefineLine(ret, "GRP"sv, name, sg.first);
+    }
+
+    ret += "\n\n"sv;
+
+    std::unordered_set<amuse::SongId> songIds;
+    for (const auto& sg : getProj().songGroups())
+        for (const auto& song : sg.second->m_midiSetups)
+            songIds.insert(song.first);
+    for (amuse::SongId id : SortUnorderedSet(songIds))
+    {
+        auto name = amuse::SongId::CurNameDB->resolveNameFromId(id);
+        WriteDefineLine(ret, "SNG"sv, name, id);
+    }
+
+    ret += "\n\n"sv;
+
+    for (const auto& sg : SortUnorderedMap(getProj().sfxGroups()))
+    {
+        for (const auto& sfx : SortUnorderedMap(sg.second.get()->m_sfxEntries))
+        {
+            auto name = amuse::SFXId::CurNameDB->resolveNameFromId(sfx.first);
+            WriteDefineLine(ret, "SFX"sv, name, sfx.first.id);
+        }
+    }
+
+    return ret;
+}
 }

lib/AudioGroupPool.cpp

@@ -279,12 +279,7 @@ AudioGroupPool AudioGroupPool::CreateAudioGroupPool(SystemStringView groupPath)
                     smOut = MakeObj<SoundMacro>();
                     size_t cmdCount;
                     if (auto __v = r.enterSubVector(sm.first.c_str(), cmdCount))
-                    {
-                        smOut->m_cmds.reserve(cmdCount);
-                        for (int c = 0; c < cmdCount; ++c)
-                            if (auto __r2 = r.enterSubRecord(nullptr))
-                                smOut->m_cmds.push_back(SoundMacro::CmdDo<MakeCmdOp, std::unique_ptr<SoundMacro::ICmd>>(r));
-                    }
+                        smOut->fromYAML(r, cmdCount);
                 }
             }
 
@@ -416,6 +411,27 @@ void SoundMacro::buildFromPrototype(const SoundMacro& other)
         m_cmds.push_back(CmdDo<MakeCopyCmdOp, std::unique_ptr<SoundMacro::ICmd>>(*cmd));
 }
 
+void SoundMacro::toYAML(athena::io::YAMLDocWriter& w) const
+{
+    for (const auto& c : m_cmds)
+    {
+        if (auto __r2 = w.enterSubRecord(nullptr))
+        {
+            w.setStyle(athena::io::YAMLNodeStyle::Flow);
+            w.writeString("cmdOp", SoundMacro::CmdOpToStr(c->Isa()));
+            c->write(w);
+        }
+    }
+}
+
+void SoundMacro::fromYAML(athena::io::YAMLDocReader& r, size_t cmdCount)
+{
+    m_cmds.reserve(cmdCount);
+    for (int c = 0; c < cmdCount; ++c)
+        if (auto __r2 = r.enterSubRecord(nullptr))
+            m_cmds.push_back(SoundMacro::CmdDo<MakeCmdOp, std::unique_ptr<SoundMacro::ICmd>>(r));
+}
+
 const SoundMacro* AudioGroupPool::soundMacro(ObjectId id) const
 {
     auto search = m_soundMacros.find(id);
@@ -1002,15 +1018,7 @@ bool AudioGroupPool::toYAML(SystemStringView groupPath) const
             {
                 if (auto __v = w.enterSubVector(SoundMacroId::CurNameDB->resolveNameFromId(p.first).data()))
                 {
-                    for (const auto& c : p.second.get()->m_cmds)
-                    {
-                        if (auto __r2 = w.enterSubRecord(nullptr))
-                        {
-                            w.setStyle(athena::io::YAMLNodeStyle::Flow);
-                            w.writeString("cmdOp", SoundMacro::CmdOpToStr(c->Isa()));
-                            c->write(w);
-                        }
-                    }
+                    p.second.get()->toYAML(w);
                 }
             }
         }

lib/AudioGroupProject.cpp

@@ -353,6 +353,59 @@ std::string ParseStringSlashId(const std::string& str, uint16_t& idOut)
     return {str.begin(), str.begin() + slashPos};
 }
 
+void SongGroupIndex::fromYAML(athena::io::YAMLDocReader& r)
+{
+    if (auto __v2 = r.enterSubRecord("normPages"))
+    {
+        m_normPages.reserve(r.getCurNode()->m_mapChildren.size());
+        for (const auto& pg : r.getCurNode()->m_mapChildren)
+            if (auto __r2 = r.enterSubRecord(pg.first.c_str()))
+                m_normPages[strtoul(pg.first.c_str(), nullptr, 0)].read(r);
+    }
+    if (auto __v2 = r.enterSubRecord("drumPages"))
+    {
+        m_drumPages.reserve(r.getCurNode()->m_mapChildren.size());
+        for (const auto& pg : r.getCurNode()->m_mapChildren)
+            if (auto __r2 = r.enterSubRecord(pg.first.c_str()))
+                m_drumPages[strtoul(pg.first.c_str(), nullptr, 0)].read(r);
+    }
+    if (auto __v2 = r.enterSubRecord("songs"))
+    {
+        m_midiSetups.reserve(r.getCurNode()->m_mapChildren.size());
+        for (const auto& song : r.getCurNode()->m_mapChildren)
+        {
+            size_t chanCount;
+            if (auto __v3 = r.enterSubVector(song.first.c_str(), chanCount))
+            {
+                uint16_t songId;
+                std::string songName = ParseStringSlashId(song.first, songId);
+                if (songName.empty() || songId == 0xffff)
+                    continue;
+                SongId::CurNameDB->registerPair(songName, songId);
+
+                std::array<SongGroupIndex::MIDISetup, 16>& setup = m_midiSetups[songId];
+                for (int i = 0; i < 16 && i < chanCount; ++i)
+                    if (auto __r2 = r.enterSubRecord(nullptr))
+                        setup[i].read(r);
+            }
+        }
+    }
+}
+
+void SFXGroupIndex::fromYAML(athena::io::YAMLDocReader& r)
+{
+    for (const auto& sfx : r.getCurNode()->m_mapChildren)
+        if (auto __r2 = r.enterSubRecord(sfx.first.c_str()))
+        {
+            uint16_t sfxId;
+            std::string sfxName = ParseStringSlashId(sfx.first, sfxId);
+            if (sfxName.empty() || sfxId == 0xffff)
+                continue;
+            SFXId::CurNameDB->registerPair(sfxName, sfxId);
+            m_sfxEntries[sfxId].read(r);
+        }
+}
+
 AudioGroupProject AudioGroupProject::CreateAudioGroupProject(SystemStringView groupPath)
 {
     AudioGroupProject ret;
@@ -380,41 +433,7 @@ AudioGroupProject AudioGroupProject::CreateAudioGroupProject(SystemStringView gr
 
                         auto& idx = ret.m_songGroups[groupId];
                         idx = MakeObj<SongGroupIndex>();
-                        if (auto __v2 = r.enterSubRecord("normPages"))
-                        {
-                            idx->m_normPages.reserve(r.getCurNode()->m_mapChildren.size());
-                            for (const auto& pg : r.getCurNode()->m_mapChildren)
-                                if (auto __r2 = r.enterSubRecord(pg.first.c_str()))
-                                    idx->m_normPages[strtoul(pg.first.c_str(), nullptr, 0)].read(r);
-                        }
-                        if (auto __v2 = r.enterSubRecord("drumPages"))
-                        {
-                            idx->m_drumPages.reserve(r.getCurNode()->m_mapChildren.size());
-                            for (const auto& pg : r.getCurNode()->m_mapChildren)
-                                if (auto __r2 = r.enterSubRecord(pg.first.c_str()))
-                                    idx->m_drumPages[strtoul(pg.first.c_str(), nullptr, 0)].read(r);
-                        }
-                        if (auto __v2 = r.enterSubRecord("songs"))
-                        {
-                            idx->m_midiSetups.reserve(r.getCurNode()->m_mapChildren.size());
-                            for (const auto& song : r.getCurNode()->m_mapChildren)
-                            {
-                                size_t chanCount;
-                                if (auto __v3 = r.enterSubVector(song.first.c_str(), chanCount))
-                                {
-                                    uint16_t songId;
-                                    std::string songName = ParseStringSlashId(song.first, songId);
-                                    if (songName.empty() || songId == 0xffff)
-                                        continue;
-                                    SongId::CurNameDB->registerPair(songName, songId);
-
-                                    std::array<SongGroupIndex::MIDISetup, 16>& setup = idx->m_midiSetups[songId];
-                                    for (int i = 0; i < 16 && i < chanCount; ++i)
-                                        if (auto __r2 = r.enterSubRecord(nullptr))
-                                            setup[i].read(r);
-                                }
-                            }
-                        }
+                        idx->fromYAML(r);
                     }
                 }
             }
@@ -434,22 +453,49 @@ AudioGroupProject AudioGroupProject::CreateAudioGroupProject(SystemStringView gr
 
                         auto& idx = ret.m_sfxGroups[groupId];
                         idx = MakeObj<SFXGroupIndex>();
-                        for (const auto& sfx : r.getCurNode()->m_mapChildren)
-                            if (auto __r2 = r.enterSubRecord(sfx.first.c_str()))
+                        idx->fromYAML(r);
+                    }
+                }
+            }
+        }
+    }
+
+    return ret;
+}
+
+static ObjectId RegisterDedupedName(ObjectId origId, amuse::NameDB* db, NameDB::Type tp)
 {
-                                uint16_t sfxId;
-                                std::string sfxName = ParseStringSlashId(sfx.first, sfxId);
-                                if (sfxName.empty() || sfxId == 0xffff)
-                                    continue;
-                                SFXId::CurNameDB->registerPair(sfxName, sfxId);
-                                idx->m_sfxEntries[sfxId].read(r);
-                            }
-                    }
-                }
+    std::string dupeName = std::string(db->resolveNameFromId(origId)) + "-copy";
+    std::string useName = dupeName;
+    int dupeIdx = 1;
+    while (db->m_stringToId.find(useName) != db->m_stringToId.cend())
+    {
+        char num[16];
+        snprintf(num, 16, "%d", dupeIdx++);
+        useName = dupeName + num;
     }
+    ObjectId ret = db->generateId(tp);
+    db->registerPair(useName, ret);
+    return ret;
 }
+
+SFXGroupIndex::SFXGroupIndex(const SFXGroupIndex& other)
+{
+    for (const auto& sfx : other.m_sfxEntries)
+        m_sfxEntries[RegisterDedupedName(sfx.first, SFXId::CurNameDB, NameDB::Type::SFX)] = sfx.second;
 }
 
+AudioGroupProject AudioGroupProject::CreateAudioGroupProject(const AudioGroupProject& oldProj)
+{
+    AudioGroupProject ret;
+
+    for (const auto& grp : oldProj.songGroups())
+        ret.m_songGroups[RegisterDedupedName(grp.first, GroupId::CurNameDB, NameDB::Type::Group)] =
+            MakeObj<SongGroupIndex>(*grp.second);
+    for (const auto& grp : oldProj.sfxGroups())
+        ret.m_sfxGroups[RegisterDedupedName(grp.first, GroupId::CurNameDB, NameDB::Type::Group)] =
+            MakeObj<SFXGroupIndex>(*grp.second);
+
     return ret;
 }
 
@@ -638,6 +684,76 @@ const SFXGroupIndex* AudioGroupProject::getSFXGroupIndex(int groupId) const
     return nullptr;
 }
 
+void SongGroupIndex::toYAML(athena::io::YAMLDocWriter& w) const
+{
+    if (!m_normPages.empty())
+    {
+        if (auto __v2 = w.enterSubRecord("normPages"))
+        {
+            for (const auto& pg : SortUnorderedMap(m_normPages))
+            {
+                char name[16];
+                snprintf(name, 16, "%d", pg.first);
+                if (auto __r2 = w.enterSubRecord(name))
+                {
+                    w.setStyle(athena::io::YAMLNodeStyle::Flow);
+                    pg.second.get().write(w);
+                }
+            }
+        }
+    }
+    if (!m_drumPages.empty())
+    {
+        if (auto __v2 = w.enterSubRecord("drumPages"))
+        {
+            for (const auto& pg : SortUnorderedMap(m_drumPages))
+            {
+                char name[16];
+                snprintf(name, 16, "%d", pg.first);
+                if (auto __r2 = w.enterSubRecord(name))
+                {
+                    w.setStyle(athena::io::YAMLNodeStyle::Flow);
+                    pg.second.get().write(w);
+                }
+            }
+        }
+    }
+    if (!m_midiSetups.empty())
+    {
+        if (auto __v2 = w.enterSubRecord("songs"))
+        {
+            for (const auto& song : SortUnorderedMap(m_midiSetups))
+            {
+                char songString[64];
+                snprintf(songString, 64, "%s/0x%04X",
+                    SongId::CurNameDB->resolveNameFromId(song.first).data(), int(song.first.id));
+                if (auto __v3 = w.enterSubVector(songString))
+                    for (int i = 0; i < 16; ++i)
+                        if (auto __r2 = w.enterSubRecord(nullptr))
+                        {
+                            w.setStyle(athena::io::YAMLNodeStyle::Flow);
+                            song.second.get()[i].write(w);
+                        }
+            }
+        }
+    }
+}
+
+void SFXGroupIndex::toYAML(athena::io::YAMLDocWriter& w) const
+{
+    for (const auto& sfx : SortUnorderedMap(m_sfxEntries))
+    {
+        char sfxString[64];
+        snprintf(sfxString, 64, "%s/0x%04X",
+            SFXId::CurNameDB->resolveNameFromId(sfx.first).data(), int(sfx.first.id));
+        if (auto __r2 = w.enterSubRecord(sfxString))
+        {
+            w.setStyle(athena::io::YAMLNodeStyle::Flow);
+            sfx.second.get().write(w);
+        }
+    }
+}
+
 bool AudioGroupProject::toYAML(SystemStringView groupPath) const
 {
     athena::io::YAMLDocWriter w("amuse::Project");
@@ -652,56 +768,7 @@ bool AudioGroupProject::toYAML(SystemStringView groupPath) const
                 snprintf(groupString, 64, "%s/0x%04X", GroupId::CurNameDB->resolveNameFromId(p.first).data(), int(p.first.id));
                 if (auto __r = w.enterSubRecord(groupString))
                 {
-                    if (!p.second.get()->m_normPages.empty())
-                    {
-                        if (auto __v2 = w.enterSubRecord("normPages"))
-                        {
-                            for (const auto& pg : SortUnorderedMap(p.second.get()->m_normPages))
-                            {
-                                char name[16];
-                                snprintf(name, 16, "%d", pg.first);
-                                if (auto __r2 = w.enterSubRecord(name))
-                                {
-                                    w.setStyle(athena::io::YAMLNodeStyle::Flow);
-                                    pg.second.get().write(w);
-                                }
-                            }
-                        }
-                    }
-                    if (!p.second.get()->m_drumPages.empty())
-                    {
-                        if (auto __v2 = w.enterSubRecord("drumPages"))
-                        {
-                            for (const auto& pg : SortUnorderedMap(p.second.get()->m_drumPages))
-                            {
-                                char name[16];
-                                snprintf(name, 16, "%d", pg.first);
-                                if (auto __r2 = w.enterSubRecord(name))
-                                {
-                                    w.setStyle(athena::io::YAMLNodeStyle::Flow);
-                                    pg.second.get().write(w);
-                                }
-                            }
-                        }
-                    }
-                    if (!p.second.get()->m_midiSetups.empty())
-                    {
-                        if (auto __v2 = w.enterSubRecord("songs"))
-                        {
-                            for (const auto& song : SortUnorderedMap(p.second.get()->m_midiSetups))
-                            {
-                                char songString[64];
-                                snprintf(songString, 64, "%s/0x%04X", SongId::CurNameDB->resolveNameFromId(song.first).data(), int(song.first.id));
-                                if (auto __v3 = w.enterSubVector(songString))
-                                    for (int i = 0; i < 16; ++i)
-                                        if (auto __r2 = w.enterSubRecord(nullptr))
-                                        {
-                                            w.setStyle(athena::io::YAMLNodeStyle::Flow);
-                                            song.second.get()[i].write(w);
-                                        }
-                            }
-                        }
-                    }
+                    p.second.get()->toYAML(w);
                 }
             }
         }
@@ -717,16 +784,7 @@ bool AudioGroupProject::toYAML(SystemStringView groupPath) const
                 snprintf(groupString, 64, "%s/0x%04X", GroupId::CurNameDB->resolveNameFromId(p.first).data(), int(p.first.id));
                 if (auto __r = w.enterSubRecord(groupString))
                 {
-                    for (const auto& sfx : SortUnorderedMap(p.second.get()->m_sfxEntries))
-                    {
-                        char sfxString[64];
-                        snprintf(sfxString, 64, "%s/0x%04X", SFXId::CurNameDB->resolveNameFromId(sfx.first).data(), int(sfx.first.id));
-                        if (auto __r2 = w.enterSubRecord(sfxString))
-                        {
-                            w.setStyle(athena::io::YAMLNodeStyle::Flow);
-                            sfx.second.get().write(w);
-                        }
-                    }
+                    p.second.get()->toYAML(w);
                 }
             }
         }

lib/Common.cpp

@@ -7,6 +7,35 @@ namespace amuse
 {
 static logvisor::Module Log("amuse");
 
+bool Copy(const SystemChar* from, const SystemChar* to)
+{
+#if _WIN32
+    return CopyFileW(from, to, FALSE) != 0;
+#else
+    FILE* fi = fopen(from, "rb");
+    if (!fi)
+        return false;
+    FILE* fo = fopen(to, "wb");
+    if (!fo)
+    {
+        fclose(fi);
+        return false;
+    }
+    std::unique_ptr<uint8_t[]> buf(new uint8_t[65536]);
+    size_t readSz = 0;
+    while ((readSz = fread(buf.get(), 1, 65536, fi)))
+        fwrite(buf.get(), 1, readSz, fo);
+    fclose(fi);
+    fclose(fo);
+    struct stat theStat;
+    if (::stat(from, &theStat))
+        return true;
+    struct timespec times[] = { theStat.st_atim, theStat.st_mtim };
+    utimensat(AT_FDCWD, to, times, 0);
+    return true;
+#endif
+}
+
 #define DEFINE_ID_TYPE(type, typeName) \
 thread_local NameDB* type::CurNameDB = nullptr; \
 template<> template<> \

lib/Sequencer.cpp

@@ -32,6 +32,8 @@ void Sequencer::ChannelState::_bringOutYourDead()
         }
         ++it;
     }
+    std::unordered_set<ObjToken<Voice>> newSet = m_keyoffVoxs;
+    m_keyoffVoxs = newSet;
 }
 
 void Sequencer::_bringOutYourDead()
@@ -57,8 +59,8 @@ Sequencer::~Sequencer()
         m_studio.reset();
 }
 
-Sequencer::Sequencer(Engine& engine, const AudioGroup& group, int groupId, const SongGroupIndex* songGroup, int setupId,
-                     ObjToken<Studio> studio)
+Sequencer::Sequencer(Engine& engine, const AudioGroup& group, GroupId groupId, const SongGroupIndex* songGroup,
+                     SongId setupId, ObjToken<Studio> studio)
 : Entity(engine, group, groupId), m_songGroup(songGroup), m_studio(studio)
 {
     auto it = m_songGroup->m_midiSetups.find(setupId);
@@ -66,7 +68,7 @@ Sequencer::Sequencer(Engine& engine, const AudioGroup& group, int groupId, const
         m_midiSetup = it->second.data();
 }
 
-Sequencer::Sequencer(Engine& engine, const AudioGroup& group, int groupId, const SFXGroupIndex* sfxGroup,
+Sequencer::Sequencer(Engine& engine, const AudioGroup& group, GroupId groupId, const SFXGroupIndex* sfxGroup,
                      ObjToken<Studio> studio)
 : Entity(engine, group, groupId), m_sfxGroup(sfxGroup), m_studio(studio)
 {
@@ -238,7 +240,7 @@ ObjToken<Voice> Sequencer::ChannelState::keyOn(uint8_t note, uint8_t velocity)
             m_lastVoice.reset();
         keySearch->second->keyOff();
         keySearch->second->setPedal(false);
-        m_keyoffVoxs.emplace(std::move(keySearch->second));
+        m_keyoffVoxs.emplace(keySearch->second);
         m_chanVoxs.erase(keySearch);
     }
 
@@ -310,7 +312,7 @@ void Sequencer::ChannelState::keyOff(uint8_t note, uint8_t velocity)
     if ((m_lastVoice && m_lastVoice->isDestroyed()) || keySearch->second == m_lastVoice)
         m_lastVoice.reset();
     keySearch->second->keyOff();
-    m_keyoffVoxs.emplace(std::move(keySearch->second));
+    m_keyoffVoxs.emplace(keySearch->second);
     m_chanVoxs.erase(keySearch);
 }
 
@@ -455,7 +457,7 @@ void Sequencer::ChannelState::allOff()
         if (it->second == m_lastVoice)
             m_lastVoice.reset();
         it->second->keyOff();
-        m_keyoffVoxs.emplace(std::move(it->second));
+        m_keyoffVoxs.emplace(it->second);
         it = m_chanVoxs.erase(it);
     }
 }
@@ -517,7 +519,7 @@ void Sequencer::ChannelState::killKeygroup(uint8_t kg, bool now)
                 continue;
             }
             vox->keyOff();
-            m_keyoffVoxs.emplace(std::move(it->second));
+            m_keyoffVoxs.emplace(it->second);
             it = m_chanVoxs.erase(it);
             continue;
         }

lib/SongConverter.cpp

@@ -62,15 +62,15 @@ struct Event
     uint8_t noteOrCtrl;
     uint8_t velOrVal;
     uint8_t program;
-    uint16_t length;
+    int length;
     int pitchBend;
 
-    Event(NoteEvent, uint8_t chan, uint8_t note, uint8_t vel, uint16_t len)
+    Event(NoteEvent, uint8_t chan, uint8_t note, uint8_t vel, int len)
     : m_type(Type::Note), channel(chan), noteOrCtrl(note), velOrVal(vel), length(len)
     {
     }
 
-    Event(CtrlEvent, uint8_t chan, uint8_t note, uint8_t vel, uint16_t len)
+    Event(CtrlEvent, uint8_t chan, uint8_t note, uint8_t vel, int len)
     : m_type(Type::Control), channel(chan), noteOrCtrl(note), velOrVal(vel), length(len)
     {
     }
@@ -83,16 +83,17 @@ struct Event
 class MIDIDecoder
 {
     int m_tick = 0;
-    std::vector<std::pair<int, std::multimap<int, Event>>> m_results;
+    std::vector<std::pair<int, std::multimap<int, Event>>> m_results[16];
     std::multimap<int, int> m_tempos;
-    std::array<std::multimap<int, Event>::iterator, 128> m_notes;
+    std::array<std::multimap<int, Event>::iterator, 128> m_notes[16];
 
-    void _addProgramChange(int prog)
+    void _addProgramChange(int chan, int prog)
     {
-        m_results.emplace_back();
-        m_results.back().first = prog;
+        auto& results = m_results[chan];
+        results.emplace_back();
+        results.back().first = prog;
         for (size_t i = 0; i < 128; ++i)
-            m_notes[i] = m_results.back().second.end();
+            m_notes[chan][i] = results.back().second.end();
     }
 
     uint8_t m_status = 0;
@@ -128,9 +129,8 @@ public:
                                                       std::vector<uint8_t>::const_iterator end)
     {
         std::vector<uint8_t>::const_iterator it = begin;
-        if (it == end)
-            return begin;
-
+        while (it != end)
+        {
             uint32_t deltaTime;
             _readContinuedValue(it, end, deltaTime);
             m_tick += deltaTime;
@@ -142,11 +142,6 @@ public:
             else
                 it--;
 
-        /* Not actually used as such for now */
-        if (m_results.empty())
-            _addProgramChange(0);
-        std::multimap<int, Event>& res = m_results.back().second;
-
             if (m_status == 0xff)
             {
                 /* Meta events */
@@ -168,10 +163,16 @@ public:
                 default:
                     it += length;
                 }
-        }
-        else
+            } else
             {
                 uint8_t chan = m_status & 0xf;
+                auto& results = m_results[chan];
+
+                /* Not actually used as such for now */
+                if (results.empty())
+                    _addProgramChange(chan, 0);
+                std::multimap<int, Event>& res = results.back().second;
+
                 switch (Status(m_status & 0xf0))
                 {
                 case Status::NoteOff:
@@ -184,11 +185,11 @@ public:
                     b = *it++;
 
                     uint8_t notenum = clamp7(a);
-                std::multimap<int, Event>::iterator note = m_notes[notenum];
+                    std::multimap<int, Event>::iterator note = m_notes[chan][notenum];
                     if (note != res.end())
                     {
-                    note->second.length = uint16_t(m_tick - note->first);
-                    m_notes[notenum] = res.end();
+                        note->second.length = m_tick - note->first;
+                        m_notes[chan][notenum] = res.end();
                     }
                     break;
                 }
@@ -203,11 +204,15 @@ public:
 
                     uint8_t notenum = clamp7(a);
                     uint8_t vel = clamp7(b);
-                std::multimap<int, Event>::iterator note = m_notes[notenum];
+                    std::multimap<int, Event>::iterator note = m_notes[chan][notenum];
                     if (note != res.end())
-                    note->second.length = uint16_t(m_tick - note->first);
+                        note->second.length = m_tick - note->first;
+
+                    if (vel != 0)
+                        m_notes[chan][notenum] = res.emplace(m_tick, Event{NoteEvent{}, chan, notenum, vel, 0});
+                    else
+                        m_notes[chan][notenum] = res.end();
 
-                m_notes[notenum] = res.emplace(m_tick, Event{NoteEvent{}, chan, notenum, vel, 0});
                     break;
                 }
                 case Status::NotePressure:
@@ -309,11 +314,11 @@ public:
                     break;
                 }
             }
-
+        }
         return it;
     }
 
-    std::vector<std::pair<int, std::multimap<int, Event>>>& getResults() { return m_results; }
+    std::vector<std::pair<int, std::multimap<int, Event>>>& getResults(int chan) { return m_results[chan]; }
     std::multimap<int, int>& getTempos() { return m_tempos; }
 };
 
@@ -1031,8 +1036,7 @@ std::vector<uint8_t> SongConverter::MIDIToSong(const std::vector<uint8_t>& data,
             std::vector<uint8_t>::const_iterator end = it + length;
 
             MIDIDecoder dec;
-            while (begin != end)
-                begin = dec.receiveBytes(begin, end);
+            dec.receiveBytes(begin, end);
 
             std::multimap<int, int>& tempos = dec.getTempos();
             if (tempos.size() == 1)
@@ -1065,12 +1069,11 @@ std::vector<uint8_t> SongConverter::MIDIToSong(const std::vector<uint8_t>& data,
         it = end;
 
         MIDIDecoder dec;
-        while (begin != end)
-            begin = dec.receiveBytes(begin, end);
+        dec.receiveBytes(begin, end);
 
-        std::vector<std::pair<int, std::multimap<int, Event>>>& results = dec.getResults();
         for (int c = 0; c < 16; ++c)
         {
+            std::vector<std::pair<int, std::multimap<int, Event>>>& results = dec.getResults(c);
             int lastTrackStartTick = 0;
             bool didChanInit = false;
             for (auto& prog : results)
@@ -1177,20 +1180,21 @@ std::vector<uint8_t> SongConverter::MIDIToSong(const std::vector<uint8_t>& data,
                         case Event::Type::Pitch:
                         {
                             int newPitch = event.second.pitchBend - 0x2000;
-                            EncodeDelta(region.modBuf, eventTick - lastPitchTick, newPitch - lastPitchVal);
+                            EncodeDelta(region.pitchBuf, eventTick - lastPitchTick, newPitch - lastPitchVal);
                             lastPitchTick = eventTick;
                             lastPitchVal = newPitch;
                             break;
                         }
                         case Event::Type::Note:
                         {
+                            int lenTicks = event.second.length * 384 / header.div;
                             if (version == 1)
                             {
                                 EncodeTime(region.eventBuf, uint32_t(eventTick - lastEventTick));
                                 lastEventTick = eventTick;
                                 region.eventBuf.push_back(event.second.noteOrCtrl);
                                 region.eventBuf.push_back(event.second.velOrVal);
-                                uint16_t lenBig = SBig(uint16_t(event.second.length));
+                                uint16_t lenBig = SBig(uint16_t(lenTicks));
                                 region.eventBuf.push_back(reinterpret_cast<const uint8_t*>(&lenBig)[0]);
                                 region.eventBuf.push_back(reinterpret_cast<const uint8_t*>(&lenBig)[1]);
                             }
@@ -1201,7 +1205,7 @@ std::vector<uint8_t> SongConverter::MIDIToSong(const std::vector<uint8_t>& data,
                                     uint32_t tickBig = SBig(uint32_t(eventTick - startTick));
                                     for (int i = 0; i < 4; ++i)
                                         region.eventBuf.push_back(reinterpret_cast<const uint8_t*>(&tickBig)[i]);
-                                    uint16_t lenBig = SBig(uint16_t(event.second.length));
+                                    uint16_t lenBig = SBig(uint16_t(lenTicks));
                                     region.eventBuf.push_back(reinterpret_cast<const uint8_t*>(&lenBig)[0]);
                                     region.eventBuf.push_back(reinterpret_cast<const uint8_t*>(&lenBig)[1]);
                                     region.eventBuf.push_back(event.second.noteOrCtrl);
@@ -1212,7 +1216,7 @@ std::vector<uint8_t> SongConverter::MIDIToSong(const std::vector<uint8_t>& data,
                                     uint32_t tick = uint32_t(eventTick - startTick);
                                     for (int i = 0; i < 4; ++i)
                                         region.eventBuf.push_back(reinterpret_cast<const uint8_t*>(&tick)[i]);
-                                    uint16_t len = uint16_t(event.second.length);
+                                    uint16_t len = uint16_t(lenTicks);
                                     region.eventBuf.push_back(reinterpret_cast<const uint8_t*>(&len)[0]);
                                     region.eventBuf.push_back(reinterpret_cast<const uint8_t*>(&len)[1]);
                                     region.eventBuf.push_back(event.second.noteOrCtrl);

lib/SongState.cpp

@@ -106,8 +106,6 @@ void SongState::Track::Header::swapBig()
 SongState::Track::Track(SongState& parent, uint8_t midiChan, const TrackRegion* regions)
 : m_parent(&parent), m_midiChan(midiChan), m_curRegion(nullptr), m_nextRegion(regions)
 {
-    for (int i = 0; i < 128; ++i)
-        m_remNoteLengths[i] = std::numeric_limits<decltype(m_remNoteLengths)::value_type>::min();
 }
 
 void SongState::Track::setRegion(Sequencer* seq, const TrackRegion* region)
@@ -406,15 +404,11 @@ bool SongState::Track::advance(Sequencer& seq, int32_t ticks)
     /* Stop finished notes */
     for (int i = 0; i < 128; ++i)
     {
-        constexpr decltype(m_remNoteLengths)::value_type MIN = std::numeric_limits<decltype(MIN)>::min();
-        if (m_remNoteLengths[i] != MIN)
+        if (m_remNoteLengths[i] > 0)
         {
             m_remNoteLengths[i] -= ticks;
             if (m_remNoteLengths[i] <= 0)
-            {
                 seq.keyOff(m_midiChan, i, 0);
-                m_remNoteLengths[i] = MIN;
-            }
         }
     }
 

lib/SoundMacroState.cpp

@@ -280,7 +280,8 @@ const SoundMacro::CmdIntrospection SoundMacro::CmdWaitTicks::Introspective =
     CmdType::Structure,
     "Wait Ticks"sv,
     "Suspend SoundMacro execution for specified length of time. Value of 65535 "
-    "will wait indefinitely, relying on Key Off or Sample End to signal stop."sv,
+    "will wait indefinitely, relying on Key Off or Sample End to signal stop. "
+    "Absolute mode waits relative to the start of the SoundMacro."sv,
     {
         {
             FIELD_HEAD(SoundMacro::CmdWaitTicks, keyOff),
@@ -442,7 +443,8 @@ const SoundMacro::CmdIntrospection SoundMacro::CmdWaitMs::Introspective =
     CmdType::Structure,
     "Wait Millisec"sv,
     "Suspend SoundMacro execution for specified length of time. Value of 65535 "
-    "will wait indefinitely, relying on Key Off or Sample End to signal stop."sv,
+    "will wait indefinitely, relying on Key Off or Sample End to signal stop. "
+    "Absolute mode waits relative to the start of the SoundMacro."sv,
     {
         {
             FIELD_HEAD(SoundMacro::CmdWaitMs, keyOff),
@@ -1468,7 +1470,7 @@ const SoundMacro::CmdIntrospection SoundMacro::CmdSetPitchAdsr::Introspective =
 {
     CmdType::Pitch,
     "Set Pitch ADSR"sv,
-    "Define the pitch ADSR from a pool object. The pitch range is "
+    "Define the pitch ADSR from a DLS ADSR pool object. The pitch range is "
     "specified using Note and Cents parameters."sv,
     {
         {

lib/Voice.cpp

@@ -117,6 +117,7 @@ bool Voice::_checkSamplePos(bool& looped)
 
 void Voice::_doKeyOff()
 {
+    m_voxState = VoiceState::KeyOff;
     if (m_state.m_inWait && m_state.m_keyoffWait)
     {
         if (m_volAdsr.isAdsrSet() || m_state.m_useAdsrControllers)
@@ -480,7 +481,7 @@ void Voice::preSupplyAudio(double dt)
     }
     if (m_pitchEnv)
     {
-        newPitch *= m_pitchAdsr.advance(dt);
+        newPitch += m_pitchAdsr.advance(dt) * m_pitchEnvRange;
         refresh = true;
     }
 
@@ -934,7 +935,6 @@ void Voice::_macroKeyOff()
             m_sustainKeyOff = true;
         else
             _doKeyOff();
-        m_voxState = VoiceState::KeyOff;
     }
 }
 
@@ -1456,10 +1456,7 @@ void Voice::_notifyCtrlChange(uint8_t ctrl, int8_t val)
 {
     if (ctrl == 0x40)
     {
-        if (val >= 0x40)
-            setPedal(true);
-        else
-            setPedal(false);
+        setPedal(val >= 0x40);
     }
     else if (ctrl == 0x5b)
     {