Open/load project

story-editor/example.asm

@@ -0,0 +1,96 @@
+; jump over the data, to our entry label
+    jump         .entry
+
+; Constant elements are separated by commas
+$imageBird          DC8, "example.bmp", 8  ; string of chars, followed by one byte
+$soundChoice        DC8,  "choose1.snd"
+$yaya               DC8,  "yaya.bmp"
+$rabbit             DC8,  "rabbit.bmp"
+$someConstant       DC32,  12456789
+
+; Liste des noeuds à appeler
+$ChoiceObject       DC32,  2, .MEDIA_02, .MEDIA_03
+
+; DVsxx to declare a variable in RAM, followed by the number of elements
+$MyArray            DV8,    10 ; array of 10 bytes
+$RamData1           DV32,    1 ; one 32-bit integer
+$ChoiceMem          DV32,    10 ; 10 elements for the choices, to be generated
+
+; label definition
+.entry:                 ;; comment here should work
+
+
+    ; Syscall test: show image and play sound
+    lcons r0, $imageBird ; image name address in ROM located in R0 (null terminated)
+    lcons r1, $soundChoice ; set to 0 if no sound
+    syscall 1
+    lcons r0, $ChoiceObject
+    jump .media ; no return possible, so a jump is enough
+
+; Generic media choice manager
+.media:
+    ; Les adresses des différents medias sont dans la stack
+; Arguments:
+    ; r0: address d'une structure de type "media choice"
+; Local:
+    ; t0: loop counter
+    ; t1: increment 1
+    ; t2: increment 4
+    ; t3: current media address
+
+.media_loop_start:
+    load t0, @r0, 4 ; Le premier élément est le nombre de choix possibles, t0 = 3 (exemple)
+    lcons t1, 1
+    lcons t2, 4
+    mov t3, r0
+.media_loop:
+    add t3, t2  ; @++
+
+
+; -------  On appelle un autre media node
+    push r0 ; save r0
+    load r0, @t3, 4 ; r0 =  content in ram at address in T4
+    call r0
+    pop r0
+    ; TODO: wait for event
+
+    sub t0, t1  ; i--
+    skipnz t0   ;  if (r0) goto start_loop;
+    jump .media_loop_start
+    jump .media_loop
+
+.MEDIA_02:
+    lcons r0, $yaya ; image name address in ROM located in R0 (null terminated)
+    lcons r1, $soundChoice ; set to 0 if no sound
+    syscall 1
+    ret
+
+.MEDIA_03:
+    lcons r0, $rabbit
+    lcons r1, $soundChoice
+    syscall 1
+    ret
+
+.SYSCALL_TEST:
+    ; syscall test: wait for event
+    lcons r0, 0xFF  ; wait for all event, blocking
+    syscall 2
+
+; We create a stupid loop just for RAM variable testing
+
+    lcons r0, 4 ; prepare loop: 4 iterations
+    lcons r6, $RamData1 ; store address to R6
+    store @r6, r0, 4    ; save R0 in RAM
+    lcons r1, 1
+.loop:
+    load r0, @r6, 4     ; load this variable
+    sub r0, r1
+    store @r6, r0, 4    ; save R0 in RAM
+    skipz r0            ; skip loop if R0 == 0
+    jump .loop
+
+
+    mov      r0, r2     ; copy R2 into R0 (blank space between , and R2)
+mov R0,R2               ; copy R2 into R0 (NO blank space between , and R2)
+
+    halt 

story-editor/src/dock_widget_base.cpp

@@ -17,9 +17,30 @@ bool EventFilter::eventFilter( QObject *obj, QEvent *event )
 }
 
 
-DockWidgetBase::DockWidgetBase(const QString &title)
+DockWidgetBase::DockWidgetBase(const QString &title, bool visibility)
     : QDockWidget(title)
+    , m_visibility(visibility ? tribool::True : tribool::False)
 {
     EventFilter* filter = new EventFilter( this );
     installEventFilter( filter );
+    setAllowedAreas(Qt::AllDockWidgetAreas);
 }
+
+void DockWidgetBase::Close()
+{
+    // Memorize prefered visibility
+//    m_visibility = isVisible() ? tribool::True : tribool::False;
+    hide();
+}
+
+void DockWidgetBase::Open()
+{
+    // Restore prefered visibility
+    if (m_visibility) {
+        show();
+    } else {
+        hide();
+    }
+}
+
+

story-editor/src/dock_widget_base.h

@@ -17,7 +17,14 @@ class DockWidgetBase : public QDockWidget
 {
     Q_OBJECT
 public:
-    DockWidgetBase(const QString &title);
+    DockWidgetBase(const QString &title, bool visibility);
+
+    void Close();
+    void Open();
+
+private:
+    enum tribool: uint8_t {False = 0, True = 1, Unknown = 2};
+    tribool m_visibility{Unknown};
 };
 
 #endif // DOCK_WIDGET_BASE_H

story-editor/src/log_dock.cpp

@@ -1,9 +1,9 @@
 #include "log_dock.h"
 
 LogDock::LogDock()
-    : DockWidgetBase(tr("Logs"))
+    : DockWidgetBase(tr("Logs"), true)
 {
-    setObjectName("OstHmiDock"); // used to save the state
+    setObjectName("LogsDock"); // used to save the state
     m_logUi.setupUi(this);
 }
 

story-editor/src/main_window.cpp

@@ -51,12 +51,12 @@ typedef void (*message_output_t)(QtMsgType , const QMessageLogContext &, const Q
 MainWindow::MainWindow()
     : m_model(m_project)
     , m_scene(m_model)
-    , m_settings("D8S", "OpenStoryTeller")
+    , m_settings("OpenStoryTeller", "OpenStoryTellerEditor")
 {
     m_project.Clear();
-  //  SetupTemporaryProject();
 
-//    RefreshProjectInformation();
+    m_scene.setDropShadowEffect(false);
+    m_scene.nodeGeometry().setMarginsRatio(0.02);
 
     m_view = new GraphicsView(&m_scene);
     m_view->setScaleRange(0, 0);
@@ -64,10 +64,9 @@ MainWindow::MainWindow()
     setCentralWidget(m_view);
 
     m_toolbar = new ToolBar();
-    m_scene.setDropShadowEffect(false);
-    m_scene.nodeGeometry().setMarginsRatio(0.02);
     m_toolbar->createActions(menuBar());
-    addToolBar(m_toolbar);
+    addToolBar(Qt::LeftToolBarArea, m_toolbar);
+    m_toolbar->setVisible(true);
 
     connect(m_toolbar, &ToolBar::sigDefaultDocksPosition, this, &MainWindow::slotDefaultDocksPosition);
 
@@ -118,6 +117,9 @@ MainWindow::MainWindow()
     addDockWidget(Qt::DockWidgetArea::RightDockWidgetArea, m_romView);
     m_toolbar->AddDockToMenu(m_romView->toggleViewAction());
 
+    tabifyDockWidget(m_vmDock, m_romView);
+    tabifyDockWidget(m_romView, m_ramView);
+
     m_chooseFileDialog = new QDialog(this);
     m_chooseFileUi.setupUi(m_chooseFileDialog);
     m_chooseFileDialog->close();
@@ -167,8 +169,6 @@ MainWindow::MainWindow()
     Callback<uint8_t(uint8_t)>::func = std::bind(&MainWindow::Syscall, this, std::placeholders::_1);
     m_chip32_ctx.syscall = static_cast<syscall_t>(Callback<uint8_t(uint8_t)>::callback);
 
-    readSettings();
-
     connect(m_toolbar, &ToolBar::sigNew, this, [&]() {
         NewProject();
     });
@@ -178,7 +178,7 @@ MainWindow::MainWindow()
     });
 
     connect(m_toolbar, &ToolBar::sigOpen, this, [&]() {
-       OpenProject();
+       OpenProjectDialog();
     });
 
     connect(m_toolbar, &ToolBar::sigClose, this, [&]() {
@@ -189,14 +189,21 @@ MainWindow::MainWindow()
         ExitProgram();
     });
 
+    connect(m_toolbar, &ToolBar::sigOpenRecent, this, [&](const QString &recent) {
+        CloseProject();
+        OpenProject(recent);
+    });
 
     // Install event handler now that everythin is initialized
     Callback<void(QtMsgType , const QMessageLogContext &, const QString &)>::func = std::bind(&MainWindow::MessageOutput, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3);
     auto cb = static_cast<message_output_t>(Callback<void(QtMsgType , const QMessageLogContext &, const QString &)>::callback);
 
+
     qInstallMessageHandler(cb);
 
-    qDebug() << "Started StoryTeller Editor";
+    readSettings();
+    qDebug() << "Settings location: " << m_settings.fileName();
+    qDebug() << "Welcome to StoryTeller Editor";
 
     CloseProject();
 
@@ -216,26 +223,6 @@ void MainWindow::slotWelcome()
     msgBox.exec();
 }
 
-void MainWindow::SetupTemporaryProject()
-{
-    /*
-    QString appDir = QStandardPaths::writableLocation(QStandardPaths::AppDataLocation);
-
-    // Look at any previous workspace used
-    // Generate a project unique ID name if no any
-    m_settings.setValue("project/workspace", m_project.uuid.c_str());
-
-    m_project.working_dir = QString(appDir + QDir::separator() + m_project.uuid.c_str()).toStdString();
-    m_project.name = "Untitled project";
-    m_project.Initialize(m_settings.value("project/workspace", QUuid::createUuid().toString()).toString().toStdString()
-                         );
-
- //   m_resourcesDock->Initialize();
-
-    qDebug() << "Working dir is: " << m_project.working_dir.c_str();
-*/
-}
-
 void MainWindow::ExitProgram()
 {
     // FIXME: warn if project not saved
@@ -243,7 +230,7 @@ void MainWindow::ExitProgram()
 
 void MainWindow::RefreshProjectInformation()
 {
-    setWindowTitle(QString("StoryTeller Editor - ") + m_project.GetWorkingDir().c_str());
+    setWindowTitle(QString("StoryTeller Editor - ") + m_project.GetProjectFilePath().c_str());
 }
 
 void MainWindow::MessageOutput(QtMsgType type, const QMessageLogContext &context, const QString &msg)
@@ -258,12 +245,20 @@ void MainWindow::readSettings()
 
     restoreGeometry(m_settings.value("MainWindow/geometry").toByteArray());
     restoreState(m_settings.value("MainWindow/windowState").toByteArray());
+
+    // Restore recent projects list
+    m_recentProjects = m_settings.value("RecentProjects").toStringList();
+    m_toolbar->GenerateRecentProjectsMenu(m_recentProjects);
 }
 
 void MainWindow::closeEvent(QCloseEvent *event)
 {
     m_settings.setValue("MainWindow/geometry", saveGeometry());
     m_settings.setValue("MainWindow/windowState", saveState());
+
+    // Memorize recent projects list
+    m_settings.setValue("RecentProjects", m_recentProjects);
+
     QMainWindow::closeEvent(event);
 }
 
@@ -485,11 +480,11 @@ void MainWindow::NewProject()
         m_project.SetDisplayFormat(s.width(), s.height());
         m_project.SetImageFormat(m_newProjectDialog->GetImageFormat());
         m_project.SetSoundFormat(m_newProjectDialog->GetSoundFormat());
+        m_project.SetName(m_newProjectDialog->GetProjectName().toStdString());
+        m_project.SetUuid(QUuid::createUuid().toString().toStdString());
 
-        m_toolbar->SetAllDocks(true);
-        m_toolbar->SetActionsActive(true);
-        m_toolbar->ShowAllDocks(true);
-        m_view->setEnabled(true);
+        SaveProject();
+        EnableProject();
     }
 }
 
@@ -497,51 +492,124 @@ void MainWindow::CloseProject()
 {
     m_project.Clear();
 
-    m_toolbar->SetAllDocks(false);
+    m_model.Clear();
+
+    m_ostHmiDock->Close();
+    m_resourcesDock->Close();
+    m_scriptEditorDock->Close();
+    m_vmDock->Close();
+    m_ramView->Close();
+    m_romView->Close();
+    m_logDock->Close();
+
     m_toolbar->SetActionsActive(false);
     m_view->setEnabled(false);
 }
 
-void MainWindow::OpenProject()
+void MainWindow::EnableProject()
 {
-    QString fn = QFileDialog::getOpenFileName(this, tr("Open project file"),
-                                                    QDir::homePath(),
-                                                    tr("StoryEditor Project (project.json)"));
+    // Add to recent if not exists
+    if (!m_recentProjects.contains(m_project.GetProjectFilePath().c_str()))
+    {
+        m_recentProjects.push_front(m_project.GetProjectFilePath().c_str());
+        // Limit to 10 recent projects
+        if (m_recentProjects.size() > 10) {
+            m_recentProjects.pop_back();
+        }
+        m_toolbar->GenerateRecentProjectsMenu(m_recentProjects);
+    }
 
-    m_project.Initialize(fn.toStdString());
+    m_ostHmiDock->Open();
+    m_resourcesDock->Open();
+    m_scriptEditorDock->Open();
+    m_vmDock->Open();
+    m_ramView->Open();
+    m_romView->Open();
+    m_logDock->Open();
+
+    m_toolbar->SetActionsActive(true);
+    m_view->setEnabled(true);
+}
+
+void MainWindow::OpenProjectDialog()
+{
+    QFileDialog dialog(this);
+
+    dialog.setNameFilter(tr("StoryEditor Project (project.json)"));
+    dialog.setFileMode(QFileDialog::ExistingFile);
+    dialog.setDirectory(QDir::homePath());
+
+    if (dialog.exec())
+    {
+        QStringList fileNames = dialog.selectedFiles();
+
+        if (fileNames.size() == 1)
+        {
+            OpenProject(fileNames.at(0));
+        }
+    }
+}
+
+void MainWindow::OpenProject(const QString &filePath)
+{
+    bool success = false;
+    QString errorMsg;
+
+    m_project.Initialize(filePath.toStdString());
 
     QFile loadFile(m_project.GetProjectFilePath().c_str());
 
-    if (!loadFile.open(QIODevice::ReadOnly)) {
-        qWarning("Couldn't open project file.");
-        return;
-    }
-
-    QJsonParseError err;
-    QJsonDocument loadDoc = QJsonDocument::fromJson(loadFile.readAll(), &err);
-
-    if (err.error == QJsonParseError::NoError)
+    if (loadFile.open(QIODevice::ReadOnly))
     {
-        QJsonObject projectRoot = loadDoc.object();
-        QString errorString;
+        QJsonParseError err;
+        QJsonDocument loadDoc = QJsonDocument::fromJson(loadFile.readAll(), &err);
 
-        if (projectRoot.contains("project"))
+        if (err.error == QJsonParseError::NoError)
         {
-            QJsonObject projectData = projectRoot["project"].toObject();
+            QJsonObject projectRoot = loadDoc.object();
 
-            m_project.name = projectData["name"].toString().toStdString();
-//            m_project.uuid = projectData["uuid"].toString().toStdString();
+            if (projectRoot.contains("project"))
+            {
+                QJsonObject projectData = projectRoot["project"].toObject();
+
+                m_project.SetName(projectData["name"].toString().toStdString());
+                m_project.SetUuid(projectData["uuid"].toString().toStdString());
+
+                if (projectRoot.contains("nodegraph"))
+                {
+                    QJsonObject nodeData = projectRoot["nodegraph"].toObject();
+                    m_model.load(nodeData);
+
+                    success = true;
+                }
+                else
+                {
+                    errorMsg = tr("Missing nodegraph section in JSON file.");
+                }
+            }
+            else
+            {
+                errorMsg = tr("Missing project section in JSON file.");
+            }
         }
-
-        if (projectRoot.contains("nodegraph"))
+        else
         {
-            QJsonObject nodeData = projectRoot["nodegraph"].toObject();
-            m_model.load(nodeData);
+            errorMsg = err.errorString();
         }
     }
     else
     {
-        QMessageBox::critical(this, tr("Open project error"), err.errorString());
+        errorMsg = tr("Could not open project file.");
+    }
+
+    if (success)
+    {
+        EnableProject();
+    }
+    else
+    {
+        qWarning() << errorMsg;
+        QMessageBox::critical(this, tr("Open project error"), errorMsg);
     }
 }
 
@@ -551,8 +619,8 @@ void MainWindow::SaveProject()
     QJsonObject jsonModel = m_model.save();
 
     QJsonObject projectData;
-    projectData["name"] = m_project.name.c_str();
-//    projectData["uuid"] = m_project.uuid.c_str();
+    projectData["name"] = m_project.GetName().c_str();
+    projectData["uuid"] = m_project.GetUuid().c_str();
 
     QJsonObject saveData;
     saveData["project"] = projectData;
@@ -572,12 +640,4 @@ void MainWindow::SaveProject()
     statusBar()->showMessage(tr("Saved '%1'").arg(m_project.GetProjectFilePath().c_str()), 2000);
 }
 
-void MainWindow::about()
-{
-    QMessageBox::about(this, tr("About OST Editor"),
-                       tr("OpenStoryTeller node editor."
-                          "Build your own stories on an open source hardware."));
-}
-
-
 

story-editor/src/main_window.h

@@ -141,6 +141,7 @@ private:
     QDialog *m_chooseFileDialog;
     Ui::chooseFileDIalog m_chooseFileUi;
     NewProjectDialog *m_newProjectDialog{nullptr};
+    QStringList m_recentProjects;
 
     // VM
     uint8_t m_rom_data[16*1024];
@@ -158,7 +159,6 @@ private:
     void createStatusBar();
     void SaveProject();
     void DisplayNode(StoryNode *m_tree, QtNodes::NodeId parentId);
-    void about();
     void buildScript();
     void highlightNextLine();
     void readSettings();
@@ -170,11 +170,12 @@ private:
     void MessageOutput(QtMsgType type, const QMessageLogContext &context, const QString &msg);
     void NewProject();
 
-    void SetupTemporaryProject();
     void RefreshProjectInformation();
     void CloseProject();
-    void OpenProject();
+    void OpenProjectDialog();
     void ExitProgram();
+    void EnableProject();
+    void OpenProject(const QString &filePath);
 };
 
 #endif // MAIN_WINDOW_H

story-editor/src/memory_view_dock.cpp

@@ -2,7 +2,7 @@
 #include "model/buffer/qmemorybuffer.h"
 
 MemoryViewDock::MemoryViewDock(const QString &objectName, const QString &title)
-    : DockWidgetBase(title)
+    : DockWidgetBase(title, false)
 {
     setObjectName(objectName);
 

story-editor/src/ost-hmi.ui

@@ -33,7 +33,7 @@
        <enum>QFrame::Box</enum>
       </property>
       <property name="text">
-       <string>TextLabel</string>
+       <string/>
       </property>
      </widget>
     </item>

story-editor/src/osthmi_dock.cpp

@@ -3,7 +3,7 @@
 #include <QPixmap>
 
 OstHmiDock::OstHmiDock()
-    : DockWidgetBase(tr("StoryTeller HMI"))
+    : DockWidgetBase(tr("StoryTeller HMI"), true)
 {
     setObjectName("OstHmiDock"); // used to save the state
     m_uiOstDisplay.setupUi(this);

story-editor/src/resources_dock.cpp

@@ -4,7 +4,7 @@
 
 ResourcesDock::ResourcesDock(StoryProject &project)
     : m_project(project)
-    , DockWidgetBase(tr("Resources"))
+    , DockWidgetBase(tr("Resources"), true)
 {
     setObjectName("ResourcesDock");  // used to save the state
 

story-editor/src/script_editor_dock.cpp

@@ -1,114 +1,12 @@
 #include "script_editor_dock.h"
 
-static const std::string test1 = R"(
-; jump over the data, to our entry label
-    jump         .entry
-
-; Constant elements are separated by commas
-$imageBird          DC8, "example.bmp", 8  ; string of chars, followed by one byte
-$soundChoice        DC8,  "choose1.snd"
-$yaya               DC8,  "yaya.bmp"
-$rabbit             DC8,  "rabbit.bmp"
-$someConstant       DC32,  12456789
-
-; Liste des noeuds à appeler
-$ChoiceObject       DC32,  2, .MEDIA_02, .MEDIA_03
-
-; DVsxx to declare a variable in RAM, followed by the number of elements
-$MyArray            DV8,    10 ; array of 10 bytes
-$RamData1           DV32,    1 ; one 32-bit integer
-$ChoiceMem          DV32,    10 ; 10 elements for the choices, to be generated
-
-; label definition
-.entry:                 ;; comment here should work
-
-
-    ; Syscall test: show image and play sound
-    lcons r0, $imageBird ; image name address in ROM located in R0 (null terminated)
-    lcons r1, $soundChoice ; set to 0 if no sound
-    syscall 1
-    lcons r0, $ChoiceObject
-    jump .media ; no return possible, so a jump is enough
-
-; Generic media choice manager
-.media:
-    ; Les adresses des différents medias sont dans la stack
-; Arguments:
-    ; r0: address d'une structure de type "media choice"
-; Local:
-    ; t0: loop counter
-    ; t1: increment 1
-    ; t2: increment 4
-    ; t3: current media address
-
-.media_loop_start:
-    load t0, @r0, 4 ; Le premier élément est le nombre de choix possibles, t0 = 3 (exemple)
-    lcons t1, 1
-    lcons t2, 4
-    mov t3, r0
-.media_loop:
-    add t3, t2  ; @++
-
-
-; -------  On appelle un autre media node
-    push r0 ; save r0
-    load r0, @t3, 4 ; r0 =  content in ram at address in T4
-    call r0
-    pop r0
-    ; TODO: wait for event
-
-    sub t0, t1  ; i--
-    skipnz t0   ;  if (r0) goto start_loop;
-    jump .media_loop_start
-    jump .media_loop
-
-.MEDIA_02:
-    lcons r0, $yaya ; image name address in ROM located in R0 (null terminated)
-    lcons r1, $soundChoice ; set to 0 if no sound
-    syscall 1
-    ret
-
-.MEDIA_03:
-    lcons r0, $rabbit
-    lcons r1, $soundChoice
-    syscall 1
-    ret
-
-.SYSCALL_TEST:
-    ; syscall test: wait for event
-    lcons r0, 0xFF  ; wait for all event, blocking
-    syscall 2
-
-; We create a stupid loop just for RAM variable testing
-
-    lcons r0, 4 ; prepare loop: 4 iterations
-    lcons r6, $RamData1 ; store address to R6
-    store @r6, r0, 4    ; save R0 in RAM
-    lcons r1, 1
-.loop:
-    load r0, @r6, 4     ; load this variable
-    sub r0, r1
-    store @r6, r0, 4    ; save R0 in RAM
-    skipz r0            ; skip loop if R0 == 0
-    jump .loop
-
-
-    mov      r0, r2     ; copy R2 into R0 (blank space between , and R2)
-mov R0,R2               ; copy R2 into R0 (NO blank space between , and R2)
-
-    halt
-
-)";
-
 
 ScriptEditorDock::ScriptEditorDock()
-    : DockWidgetBase(tr("Script editor"))
+    : DockWidgetBase(tr("Script editor"), false)
 {
     setObjectName("ScriptEditorDock"); // used to save the state
 
     m_editor = new CodeEditor(this);
-
-    m_editor->setPlainText(test1.c_str());
     m_highlighter = new Highlighter(m_editor->document());
     setWidget(m_editor);
 }

story-editor/src/story_graph_model.cpp

@@ -310,11 +310,15 @@ bool StoryGraphModel::deleteNode(NodeId const nodeId)
 QJsonObject StoryGraphModel::saveNode(NodeId const nodeId) const
 {
     QJsonObject nodeJson;
-
-
     nodeJson["id"] = static_cast<qint64>(nodeId);
 
-    nodeJson["internal-data"] = _models.at(nodeId)->save();
+    auto it = _models.find(nodeId);
+    if (it == _models.end())
+        return nodeJson;
+
+    auto &model = it->second;
+
+    nodeJson["internal-data"] = model->save();
 
     {
         QPointF const pos = nodeData(nodeId, NodeRole::Position).value<QPointF>();
@@ -352,27 +356,49 @@ QJsonObject StoryGraphModel::save() const
 
 void StoryGraphModel::loadNode(QJsonObject const &nodeJson)
 {
-    NodeId restoredNodeId = static_cast<NodeId>(nodeJson["id"].toInt());
+    // Possibility of the id clash when reading it from json and not generating a
+    // new value.
+    // 1. When restoring a scene from a file.
+    // Conflict is not possible because the scene must be cleared by the time of
+    // loading.
+    // 2. When undoing the deletion command.  Conflict is not possible
+    // because all the new ids were created past the removed nodes.
+    NodeId restoredNodeId = nodeJson["id"].toInt();
 
     _nextNodeId = std::max(_nextNodeId, restoredNodeId + 1);
 
-    // Create new node.
-    _nodeIds.insert(restoredNodeId);
+    QJsonObject const internalDataJson = nodeJson["internal-data"].toObject();
 
-    setNodeData(restoredNodeId, NodeRole::InPortCount, nodeJson["inPortCount"].toString().toUInt());
+    QString delegateModelName = internalDataJson["model-name"].toString();
 
-    setNodeData(restoredNodeId,
-                NodeRole::OutPortCount,
-                nodeJson["outPortCount"].toString().toUInt());
+//    std::unique_ptr<NodeDelegateModel> model = _registry->create(delegateModelName);
+
+    auto model = createNode(delegateModelName.toStdString());
+
+    if (model) {
+//        connect(model.get(),
+//                &NodeDelegateModel::dataUpdated,
+//                [restoredNodeId, this](PortIndex const portIndex) {
+//                    onOutPortDataUpdated(restoredNodeId, portIndex);
+//                });
+
+
+        _models[restoredNodeId] = model;
+        model->setNodeId(restoredNodeId);
+        _nodeIds.insert(restoredNodeId);
+
+        Q_EMIT nodeCreated(restoredNodeId);
 
-    {
         QJsonObject posJson = nodeJson["position"].toObject();
         QPointF const pos(posJson["x"].toDouble(), posJson["y"].toDouble());
 
         setNodeData(restoredNodeId, NodeRole::Position, pos);
-    }
 
-    Q_EMIT nodeCreated(restoredNodeId);
+        _models[restoredNodeId]->load(internalDataJson);
+    } else {
+        throw std::logic_error(std::string("No registered model with name ")
+                               + delegateModelName.toLocal8Bit().data());
+    }
 }
 
 void StoryGraphModel::load(QJsonObject const &jsonDocument)
@@ -419,3 +445,11 @@ void StoryGraphModel::removePort(NodeId nodeId, PortType portType, PortIndex por
 
     portsDeleted();
 }
+
+void StoryGraphModel::Clear()
+{
+    _nodeIds.clear();
+    _connectivity.clear();
+    _models.clear();
+    emit modelReset();
+}

story-editor/src/story_graph_model.h

@@ -131,6 +131,7 @@ public:
     }
 
     StoryProject &GetProject()  { return m_project; };
+    void Clear();
 
 signals:
     void sigChooseFile(NodeId id);

story-editor/src/story_node_base.h

@@ -25,6 +25,10 @@ public:
         QPointF pos;
     };
 
+    ~StoryNodeBase() {
+        std::cout << "Delete node: " << m_nodeId << std::endl;
+    }
+
     void setNodeId(NodeId id) { m_nodeId = id; }
     NodeId getNodeId() { return m_nodeId; }
 

story-editor/src/story_project.cpp

@@ -101,7 +101,7 @@ bool StoryProject::Load(const std::string &file_path)
 
         m_type = j["type"];
         m_code = j["code"];
-        name = j["name"];
+        m_name = j["name"];
 
         success = true;
 

story-editor/src/story_project.h

@@ -47,8 +47,6 @@ struct StoryProject
     enum ImageFormat { IMG_FORMAT_BMP_4BITS, IMG_FORMAT_QOIF, IMG_FORMAT_COUNT };
     enum SoundFormat { SND_FORMAT_WAV, SND_FORMAT_QOAF, SND_FORMAT_COUNT };
 
-    // Project properties and location
-    std::string name; /// human readable name
     std::vector<StoryNode> m_nodes;
 
     std::string m_type;
@@ -75,9 +73,13 @@ struct StoryProject
     void SetImageFormat(ImageFormat format);
     void SetSoundFormat(SoundFormat format);
     void SetDisplayFormat(int w, int h);
+    void SetName(const std::string &name) { m_name = name; }
+    void SetUuid(const std::string &uuid) { m_uuid = uuid; }
 
     std::string GetProjectFilePath() const;
     std::string GetWorkingDir() const;
+    std::string GetName() const { return m_name; }
+    std::string GetUuid() const { return m_uuid; }
 
     std::filesystem::path ImagesPath() const { return m_imagesPath; }
     std::filesystem::path SoundsPath() const { return m_soundsPath; }
@@ -95,6 +97,8 @@ public:
     static std::string ToUpper(const std::string &input);
 
 private:
+    // Project properties and location
+    std::string m_name; /// human readable name
     std::string m_uuid;
     std::filesystem::path m_imagesPath;
     std::filesystem::path m_soundsPath;

story-editor/src/toolbar.cpp

@@ -1,9 +1,14 @@
 #include "toolbar.h"
 #include "qmenubar.h"
 
+#include <QMessageBox>
+
 ToolBar::ToolBar()
 {
     setObjectName("MainToolBar");
+
+//    setIconSize(QSize(10, 10));
+//    setFixedHeight(36);
 }
 
 void ToolBar::createActions(QMenuBar *menuBar)
@@ -14,7 +19,7 @@ void ToolBar::createActions(QMenuBar *menuBar)
     {
         QIcon icon(":/assets/file-document-plus-outline.svg");
         QAction *act = new QAction(icon, tr("&New project"), this);
-        act->setShortcuts(QKeySequence::Save);
+        act->setShortcuts(QKeySequence::New);
         act->setStatusTip(tr("Create a new project"));
         connect(act, &QAction::triggered, this, &ToolBar::sigNew);
         fileMenu->addAction(act);
@@ -51,6 +56,9 @@ void ToolBar::createActions(QMenuBar *menuBar)
         addAction(m_closeProjectAction);
     }
 
+    m_recentProjectsMenu = new QMenu(tr("Recent projects"));
+    fileMenu->addMenu(m_recentProjectsMenu);
+
     fileMenu->addSeparator();
 
     QAction *quitAct = fileMenu->addAction(tr("&Quit"), this, &ToolBar::sigExit);
@@ -64,20 +72,27 @@ void ToolBar::createActions(QMenuBar *menuBar)
     auto act = m_windowsMenu->addAction(tr("Reset docks position"));
     connect(act, &QAction::triggered, this, &ToolBar::sigDefaultDocksPosition);
 
-    m_closeAllDocksAction = m_windowsMenu->addAction(tr("Show/Hide all docks"));
-    m_closeAllDocksAction->setCheckable(true);
-    connect(m_closeAllDocksAction, &QAction::triggered, this, [=] (bool checked) {
-        SetAllDocks(checked);
-    });
-
     m_windowsMenu->addSeparator();
 
     QMenu *helpMenu = menuBar->addMenu(tr("&Help"));
 
-    QAction *aboutAct = helpMenu->addAction(tr("&About"), this, &ToolBar::sigAbout);
+    QAction *aboutAct = helpMenu->addAction(tr("&About"), this, &ToolBar::slotAbout);
     aboutAct->setStatusTip(tr("Show the application's About box"));
 }
 
+void ToolBar::GenerateRecentProjectsMenu(const QStringList &recents)
+{
+    m_recentProjectsMenu->clear();
+
+    for (auto &r: recents)
+    {
+        auto act = m_recentProjectsMenu->addAction(r);
+        connect(act, &QAction::triggered, this, [&, r]() {
+            emit sigOpenRecent(r);
+        });
+    }
+}
+
 void ToolBar::SetActionsActive(bool enable)
 {
     for (auto d : m_actionDockList)
@@ -89,19 +104,12 @@ void ToolBar::SetActionsActive(bool enable)
     m_saveProjectAction->setEnabled(enable);
 }
 
-void ToolBar::ShowAllDocks(bool enable)
-{
-    m_closeAllDocksAction->setEnabled(enable);
-    m_closeAllDocksAction->trigger();
-}
 
-void ToolBar::SetAllDocks(bool enable)
+void ToolBar::slotAbout()
 {
-    for (auto d : m_actionDockList)
-    {
-        d->setChecked(!enable);
-        d->trigger();
-    }
+    QMessageBox::about(this, tr("About OST Editor"),
+                       tr("OpenStoryTeller node editor."
+                          "Build your own stories on an open source hardware."));
 }
 
 void ToolBar::AddDockToMenu(QAction *action)

story-editor/src/toolbar.h

@@ -12,9 +12,8 @@ public:
     ToolBar();
     void createActions(QMenuBar *menuBar);
     void AddDockToMenu(QAction *action);
-    void SetAllDocks(bool enable);
     void SetActionsActive(bool enable);
-    void ShowAllDocks(bool enable);
+    void GenerateRecentProjectsMenu(const QStringList &recents);
 
 signals:
     void sigNew();
@@ -22,12 +21,15 @@ signals:
     void sigOpen();
     void sigClose();
     void sigExit();
-    void sigAbout();
     void sigDefaultDocksPosition();
+    void sigOpenRecent(const QString &project);
+
+private slots:
+    void slotAbout();
 
 private:
     QMenu *m_windowsMenu;
-    QAction *m_closeAllDocksAction;
+    QMenu *m_recentProjectsMenu;
     QAction *m_saveProjectAction;
     QAction *m_closeProjectAction;
     QList<QAction *> m_actionDockList;

story-editor/src/vm_dock.cpp

@@ -1,7 +1,7 @@
 #include "vm_dock.h"
 
 VmDock::VmDock(Chip32::Assembler &assembler)
-    : DockWidgetBase(tr("Virtual Machine"))
+    : DockWidgetBase(tr("Virtual Machine"), false)
 {
     setObjectName("VirtualMachineDock");  // used to save the state