add context panel

app/gcompose/CMakeLists.txt

@@ -3,10 +3,16 @@ add_executable(gcompose
     src/main.cpp
     src/MainWindow.h
     src/MainWindow.cpp
-    src/QViewportPane.h
-    src/QViewportPane.cpp
+    src/ViewportPane.h
+    src/ViewportPane.cpp
     src/MainPanel.h
     src/MainPanel.cpp
+    src/ContextPanel.h
+    src/ContextPanel.cpp
+    src/ContextModel.h
+    src/ContextModel.cpp
+    src/StyleManager.h
+    src/StyleManager.cpp
 )
 
 set_target_properties(gcompose PROPERTIES

app/gcompose/src/ContextModel.cpp

@@ -0,0 +1,132 @@
+#include "ContextModel.h"
+#include <QString>
+#include <typeinfo>
+#include <cxxabi.h>
+#include <functional>
+
+ContextModel::ContextModel(QObject* parent) 
+    : QAbstractItemModel(parent), m_rootContext(nullptr) {}
+
+ContextModel::~ContextModel() {}
+
+void ContextModel::setContext(uLib::ObjectsContext* context) {
+    beginResetModel();
+    m_rootContext = context;
+    endResetModel();
+}
+
+QModelIndex ContextModel::index(int row, int column, const QModelIndex& parent) const {
+    if (!hasIndex(row, column, parent) || !m_rootContext) {
+        return QModelIndex();
+    }
+
+    if (!parent.isValid()) {
+        if (row < m_rootContext->GetCount()) {
+            return createIndex(row, column, m_rootContext->GetObject(row));
+        }
+    } else {
+        uLib::Object* parentObj = static_cast<uLib::Object*>(parent.internalPointer());
+        uLib::ObjectsContext* parentCtx = dynamic_cast<uLib::ObjectsContext*>(parentObj);
+        if (parentCtx && row < parentCtx->GetCount()) {
+            return createIndex(row, column, parentCtx->GetObject(row));
+        }
+    }
+    return QModelIndex();
+}
+
+QModelIndex ContextModel::parent(const QModelIndex& child) const {
+    if (!child.isValid() || !m_rootContext) {
+        return QModelIndex();
+    }
+
+    uLib::Object* childObj = static_cast<uLib::Object*>(child.internalPointer());
+    
+    // Finding the parent of childObj is O(N) since there is no parent pointer.
+    // We just do a recursive search starting from root context.
+    std::function<uLib::ObjectsContext*(uLib::ObjectsContext*, uLib::Object*)> findParent = 
+        [&findParent](uLib::ObjectsContext* ctx, uLib::Object* target) -> uLib::ObjectsContext* {
+        for (const auto& obj : ctx->GetObjects()) {
+            if (obj == target) return ctx;
+            if (auto subCtx = dynamic_cast<uLib::ObjectsContext*>(obj)) {
+                if (auto p = findParent(subCtx, target)) return p;
+            }
+        }
+        return nullptr;
+    };
+
+    uLib::ObjectsContext* parentCtx = findParent(m_rootContext, childObj);
+    if (!parentCtx || parentCtx == m_rootContext) {
+        return QModelIndex(); // Root items have invalid parent index
+    }
+
+    // Now need to find the row of parentCtx in its own parent Context.
+    uLib::ObjectsContext* grandParentCtx = findParent(m_rootContext, parentCtx);
+    if (!grandParentCtx) grandParentCtx = m_rootContext;
+
+    int row = -1;
+    for (size_t i = 0; i < grandParentCtx->GetCount(); ++i) {
+        if (grandParentCtx->GetObject(i) == parentCtx) {
+            row = (int)i;
+            break;
+        }
+    }
+
+    if (row != -1) {
+        return createIndex(row, 0, parentCtx);
+    }
+    return QModelIndex();
+}
+
+int ContextModel::rowCount(const QModelIndex& parent) const {
+    if (!m_rootContext) return 0;
+
+    if (!parent.isValid()) {
+        return m_rootContext->GetCount();
+    }
+
+    uLib::Object* parentObj = static_cast<uLib::Object*>(parent.internalPointer());
+    if (auto parentCtx = dynamic_cast<uLib::ObjectsContext*>(parentObj)) {
+        return parentCtx->GetCount();
+    }
+    return 0; // leaf node
+}
+
+int ContextModel::columnCount(const QModelIndex& parent) const {
+    return 1;
+}
+
+static QString getDemangledName(const std::type_info& info) {
+    int status = -4;
+    char* demangled = abi::__cxa_demangle(info.name(), nullptr, nullptr, &status);
+    QString res = (status == 0 && demangled) ? QString::fromUtf8(demangled) : QString::fromUtf8(info.name());
+    if (demangled) free(demangled);
+    
+    // Remove namespaces
+    int lastColon = res.lastIndexOf("::");
+    if (lastColon != -1) {
+        res = res.mid(lastColon + 2);
+    }
+    
+    // Remove "class " prefix if any
+    if (res.startsWith("class ")) res = res.mid(6);
+    return res;
+}
+
+QVariant ContextModel::data(const QModelIndex& index, int role) const {
+    if (!index.isValid()) return QVariant();
+
+    uLib::Object* obj = static_cast<uLib::Object*>(index.internalPointer());
+    
+    if (role == Qt::DisplayRole) {
+        return getDemangledName(typeid(*obj));
+    }
+    
+    return QVariant();
+}
+
+QVariant ContextModel::headerData(int section, Qt::Orientation orientation, int role) const {
+    if (orientation == Qt::Horizontal && role == Qt::DisplayRole && section == 0) {
+        return "Object Type";
+    }
+    return QVariant();
+}

app/gcompose/src/ContextModel.h

@@ -0,0 +1,26 @@
+#ifndef CONTEXT_MODEL_H
+#define CONTEXT_MODEL_H
+
+#include <QAbstractItemModel>
+#include "Core/ObjectsContext.h"
+
+class ContextModel : public QAbstractItemModel {
+    Q_OBJECT
+public:
+    explicit ContextModel(QObject* parent = nullptr);
+    virtual ~ContextModel();
+
+    void setContext(uLib::ObjectsContext* context);
+
+    QModelIndex index(int row, int column, const QModelIndex& parent = QModelIndex()) const override;
+    QModelIndex parent(const QModelIndex& child) const override;
+    int rowCount(const QModelIndex& parent = QModelIndex()) const override;
+    int columnCount(const QModelIndex& parent = QModelIndex()) const override;
+    QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
+    QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
+
+private:
+    uLib::ObjectsContext* m_rootContext;
+};
+
+#endif // CONTEXT_MODEL_H

app/gcompose/src/ContextPanel.cpp

@@ -0,0 +1,43 @@
+#include "ContextPanel.h"
+#include "ContextModel.h"
+#include <QVBoxLayout>
+#include <QHBoxLayout>
+#include <QLabel>
+#include <QTreeView>
+
+ContextPanel::ContextPanel(QWidget* parent) : QWidget(parent) {
+    m_layout = new QVBoxLayout(this);
+    m_layout->setContentsMargins(0, 0, 0, 0);
+    m_layout->setSpacing(0);
+
+    // Title bar setup
+    m_titleBar = new QWidget(this);
+    m_titleBar->setObjectName("PaneTitleBar");
+    m_titleBar->setFixedHeight(22);
+    
+    auto* titleLayout = new QHBoxLayout(m_titleBar);
+    titleLayout->setContentsMargins(5, 0, 5, 0);
+
+    m_titleLabel = new QLabel("Context Panel", m_titleBar);
+    m_titleLabel->setObjectName("TitleLabel");
+    titleLayout->addWidget(m_titleLabel);
+    titleLayout->addStretch();
+
+    m_layout->addWidget(m_titleBar);
+
+    m_treeView = new QTreeView(this);
+    m_treeView->setObjectName("ContextTree");
+    m_treeView->setHeaderHidden(false);
+    
+    m_model = new ContextModel(this);
+    m_treeView->setModel(m_model);
+
+    m_layout->addWidget(m_treeView);
+}
+
+ContextPanel::~ContextPanel() {}
+
+void ContextPanel::setContext(uLib::ObjectsContext* context) {
+    m_model->setContext(context);
+    m_treeView->expandAll();
+}

app/gcompose/src/ContextPanel.h

@@ -0,0 +1,31 @@
+#ifndef CONTEXT_PANEL_H
+#define CONTEXT_PANEL_H
+
+#include <QWidget>
+
+class QTreeView;
+class QVBoxLayout;
+class QLabel;
+class ContextModel;
+
+namespace uLib {
+    class ObjectsContext;
+}
+
+class ContextPanel : public QWidget {
+    Q_OBJECT
+public:
+    explicit ContextPanel(QWidget* parent = nullptr);
+    virtual ~ContextPanel();
+
+    void setContext(uLib::ObjectsContext* context);
+
+private:
+    QVBoxLayout* m_layout;
+    QWidget* m_titleBar;
+    QLabel* m_titleLabel;
+    QTreeView* m_treeView;
+    ContextModel* m_model;
+};
+
+#endif // CONTEXT_PANEL_H

app/gcompose/src/MainPanel.cpp

@@ -1,10 +1,15 @@
 #include "MainPanel.h"
-#include "QViewportPane.h"
+#include "ViewportPane.h"
+#include "ContextPanel.h"
 #include <QVBoxLayout>
 #include <QHBoxLayout>
 #include <QSplitter>
 #include <QLabel>
 #include <QPushButton>
+#include <QMenu>
+#include <QAction>
+#include <QApplication>
+#include "StyleManager.h"
 
 MainPanel::MainPanel(QWidget* parent) : QWidget(parent) {
     auto* mainLayout = new QVBoxLayout(this);
@@ -13,37 +18,72 @@ MainPanel::MainPanel(QWidget* parent) : QWidget(parent) {
 
     // 1. Top Menu Panel
     auto* menuPanel = new QWidget(this);
+    menuPanel->setObjectName("MenuPanel");
     menuPanel->setFixedHeight(36);
-    menuPanel->setStyleSheet("background-color: #2b2b2b; border-bottom: 1px solid #111;");
     
     auto* menuLayout = new QHBoxLayout(menuPanel);
     menuLayout->setContentsMargins(10, 0, 10, 0);
     menuLayout->setSpacing(15);
 
     auto* logo = new QLabel("G-COMPOSE", menuPanel);
-    logo->setStyleSheet("font-weight: bold; color: #0078d7; font-size: 14px; letter-spacing: 1px;");
+    logo->setObjectName("LogoLabel");
 
-    auto* btnOpen = new QPushButton("Open", menuPanel);
-    auto* btnSave = new QPushButton("Save", menuPanel);
-    
-    QString btnStyle = "QPushButton { background: transparent; color: #ccc; border: none; padding: 5px 10px; }"
-                       "QPushButton:hover { background: #3c3c3c; color: white; border-radius: 4px; }";
-    btnOpen->setStyleSheet(btnStyle);
-    btnSave->setStyleSheet(btnStyle);
+    // File Menu Button
+    auto* btnFile = new QPushButton("File", menuPanel);
+    btnFile->setObjectName("MenuButton");
+    auto* fileMenu = new QMenu(btnFile);
+    fileMenu->addAction("Open", this, &MainPanel::onOpen);
+    fileMenu->addAction("Save", this, &MainPanel::onSave);
+    btnFile->setMenu(fileMenu);
+
+    // Theme Menu Button
+    auto* btnTheme = new QPushButton("Theme", menuPanel);
+    btnTheme->setObjectName("MenuButton");
+    auto* themeMenu = new QMenu(btnTheme);
+    themeMenu->addAction("Dark", this, &MainPanel::onDarkTheme);
+    themeMenu->addAction("Bright", this, &MainPanel::onBrightTheme);
+    btnTheme->setMenu(themeMenu);
 
     menuLayout->addWidget(logo);
-    menuLayout->addWidget(btnOpen);
-    menuLayout->addWidget(btnSave);
+    menuLayout->addWidget(btnFile);
+    menuLayout->addWidget(btnTheme);
     menuLayout->addStretch();
 
     mainLayout->addWidget(menuPanel);
 
     // 2. Central Splitter Area
     m_rootSplitter = new QSplitter(Qt::Horizontal, this);
-    m_firstPane = new QViewportPane(m_rootSplitter);
+    m_contextPanel = new ContextPanel(m_rootSplitter);
+    m_rootSplitter->addWidget(m_contextPanel);
+    m_firstPane = new ViewportPane(m_rootSplitter);
     m_rootSplitter->addWidget(m_firstPane);
+    
+    // Set initial sizes
+    QList<int> sizes;
+    sizes << 200 << 1000;
+    m_rootSplitter->setSizes(sizes);
 
     mainLayout->addWidget(m_rootSplitter, 1);
 }
 
+void MainPanel::setContext(uLib::ObjectsContext* context) {
+    m_contextPanel->setContext(context);
+}
+
+void MainPanel::onOpen() {
+    // Placeholder for open logic
+}
+
+void MainPanel::onSave() {
+    // Placeholder for save logic
+}
+
+void MainPanel::onDarkTheme() {
+    StyleManager::applyStyle(qApp, "dark");
+}
+
+void MainPanel::onBrightTheme() {
+    StyleManager::applyStyle(qApp, "bright");
+}
+
 MainPanel::~MainPanel() {}

app/gcompose/src/MainPanel.h

@@ -4,7 +4,12 @@
 #include <QWidget>
 
 class QSplitter;
-class QViewportPane;
+class ViewportPane;
+class ContextPanel;
+
+namespace uLib {
+    class ObjectsContext;
+}
 
 class MainPanel : public QWidget {
     Q_OBJECT
@@ -12,11 +17,19 @@ public:
     explicit MainPanel(QWidget* parent = nullptr);
     virtual ~MainPanel();
 
-    QViewportPane* getFirstPane() const { return m_firstPane; }
+    void setContext(uLib::ObjectsContext* context);
+    ViewportPane* getFirstPane() const { return m_firstPane; }
+
+private slots:
+    void onOpen();
+    void onSave();
+    void onDarkTheme();
+    void onBrightTheme();
 
 private:
     QSplitter* m_rootSplitter;
-    QViewportPane* m_firstPane;
+    ViewportPane* m_firstPane;
+    ContextPanel* m_contextPanel;
 };
 
 #endif // MAINPANEL_H

app/gcompose/src/MainWindow.cpp

@@ -1,6 +1,7 @@
 #include "MainWindow.h"
 #include <QSplitter>
 #include "MainPanel.h"
+#include "Core/ObjectsContext.h"
 
 using namespace uLib;
 
@@ -14,3 +15,7 @@ MainWindow::MainWindow(QWidget* parent) : QMainWindow(parent) {
 
 MainWindow::~MainWindow() {
 }
+
+void MainWindow::setContext(uLib::ObjectsContext* context) {
+    m_panel->setContext(context);
+}

app/gcompose/src/MainWindow.h

@@ -5,10 +5,12 @@
 #include <QVTKOpenGLNativeWidget.h>
 
 class MainPanel;
+class ViewportPane;
 
 namespace uLib {
 namespace Vtk {
 }
+class ObjectsContext;
 }
 
 class MainWindow : public QMainWindow {
@@ -17,6 +19,7 @@ public:
     MainWindow(QWidget* parent = nullptr);
     virtual ~MainWindow();
 
+    void setContext(uLib::ObjectsContext* context);
     MainPanel* getPanel() { return m_panel; }
 
 private:

app/gcompose/src/QViewportPane.cpp

@@ -17,19 +17,19 @@ QViewportPane::QViewportPane(QWidget* parent) : QWidget(parent), m_viewport(null
 
     // Title bar setup
     m_titleBar = new QWidget(this);
+    m_titleBar->setObjectName("PaneTitleBar");
     m_titleBar->setFixedHeight(22);
-    m_titleBar->setStyleSheet("background-color: #333; color: white;");
     
     auto* titleLayout = new QHBoxLayout(m_titleBar);
     titleLayout->setContentsMargins(5, 0, 5, 0);
 
     m_titleLabel = new QLabel("Viewport", m_titleBar);
+    m_titleLabel->setObjectName("TitleLabel");
     
     auto* closeBtn = new QToolButton(m_titleBar);
+    closeBtn->setObjectName("PaneCloseButton");
     closeBtn->setText("X");
     closeBtn->setFixedSize(18, 18);
-    closeBtn->setStyleSheet("QToolButton { border: none; font-weight: bold; background: transparent; color: #ccc; } "
-                            "QToolButton:hover { color: white; background: red; }");
 
     titleLayout->addWidget(m_titleLabel);
     titleLayout->addStretch();

app/gcompose/src/StyleManager.cpp

@@ -0,0 +1,44 @@
+#include "StyleManager.h"
+#include <QApplication>
+
+static const QString DARK_THEME = R"(
+QWidget#MenuPanel { background-color: #2b2b2b; border-bottom: 1px solid #111; }
+QLabel#LogoLabel { font-weight: bold; color: #0078d7; font-size: 14px; letter-spacing: 1px; }
+QPushButton#MenuButton { background: transparent; color: #ccc; border: none; padding: 5px 10px; }
+QPushButton#MenuButton:hover { background: #3c3c3c; color: white; border-radius: 4px; }
+QWidget#PaneTitleBar { background-color: #333; color: white; }
+QToolButton#PaneCloseButton { border: none; font-weight: bold; background: transparent; color: #ccc; }
+QToolButton#PaneCloseButton:hover { color: white; background: red; }
+QMenu { background-color: #2b2b2b; color: white; border: 1px solid #111; }
+QMenu::item:selected { background-color: #3c3c3c; }
+QTreeView#ContextTree { background-color: #1e1e1e; color: #ccc; border: none; }
+QTreeView#ContextTree::item:hover { background-color: #2a2d2e; }
+QTreeView#ContextTree::item:selected { background-color: #094771; color: white; }
+QHeaderView::section { background-color: #252526; color: #ccc; border: 1px solid #323233; padding: 4px; }
+)";
+
+static const QString BRIGHT_THEME = R"(
+QWidget#MenuPanel { background-color: #f0f0f0; border-bottom: 1px solid #ccc; }
+QLabel#LogoLabel { font-weight: bold; color: #005a9e; font-size: 14px; letter-spacing: 1px; }
+QPushButton#MenuButton { background: transparent; color: #333; border: none; padding: 5px 10px; }
+QPushButton#MenuButton:hover { background: #d0d0d0; color: black; border-radius: 4px; }
+QWidget#PaneTitleBar { background-color: #e0e0e0; color: black; }
+QToolButton#PaneCloseButton { border: none; font-weight: bold; background: transparent; color: #666; }
+QToolButton#PaneCloseButton:hover { color: white; background: #e81123; }
+QMenu { background-color: #f0f0f0; color: black; border: 1px solid #ccc; }
+QMenu::item:selected { background-color: #d0d0d0; }
+QTreeView#ContextTree { background-color: #ffffff; color: #333; border: none; }
+QTreeView#ContextTree::item:hover { background-color: #f2f2f2; }
+QTreeView#ContextTree::item:selected { background-color: #0078d7; color: white; }
+QHeaderView::section { background-color: #f3f3f3; color: #333; border: 1px solid #ccc; padding: 4px; }
+)";
+
+void StyleManager::applyStyle(QApplication* app, const QString& themeName) {
+    if (!app) return;
+    
+    if (themeName == "bright") {
+        app->setStyleSheet(BRIGHT_THEME);
+    } else {
+        app->setStyleSheet(DARK_THEME); // default
+    }
+}

app/gcompose/src/StyleManager.h

@@ -0,0 +1,13 @@
+#ifndef STYLEMANAGER_H
+#define STYLEMANAGER_H
+
+#include <QString>
+
+class QApplication;
+
+class StyleManager {
+public:
+    static void applyStyle(QApplication* app, const QString& themeName);
+};
+
+#endif // STYLEMANAGER_H

app/gcompose/src/ViewportPane.cpp

@@ -0,0 +1,169 @@
+#include "ViewportPane.h"
+#include <Vtk/vtkQViewport.h>
+#include <Root/QCanvas.h>
+#include <QVBoxLayout>
+#include <QHBoxLayout>
+#include <QLabel>
+#include <QToolButton>
+#include <QMenu>
+#include <QAction>
+#include <QSplitter>
+#include <vtkCamera.h>
+
+ViewportPane::ViewportPane(QWidget* parent) : QWidget(parent), m_viewport(nullptr) {
+    m_layout = new QVBoxLayout(this);
+    m_layout->setContentsMargins(0, 0, 0, 0);
+    m_layout->setSpacing(0);
+
+    // Title bar setup
+    m_titleBar = new QWidget(this);
+    m_titleBar->setObjectName("PaneTitleBar");
+    m_titleBar->setFixedHeight(22);
+    
+    auto* titleLayout = new QHBoxLayout(m_titleBar);
+    titleLayout->setContentsMargins(5, 0, 5, 0);
+
+    m_titleLabel = new QLabel("Viewport", m_titleBar);
+    m_titleLabel->setObjectName("TitleLabel");
+    
+    auto* closeBtn = new QToolButton(m_titleBar);
+    closeBtn->setObjectName("PaneCloseButton");
+    closeBtn->setText("X");
+    closeBtn->setFixedSize(18, 18);
+
+    titleLayout->addWidget(m_titleLabel);
+    titleLayout->addStretch();
+    titleLayout->addWidget(closeBtn);
+
+    m_layout->addWidget(m_titleBar);
+
+    m_titleBar->setContextMenuPolicy(Qt::CustomContextMenu);
+    connect(m_titleBar, &QWidget::customContextMenuRequested, this, &ViewportPane::showContextMenu);
+    connect(closeBtn, &QToolButton::clicked, this, &ViewportPane::onCloseRequested);
+
+    addVtkViewport(); // Initialize with a default VTK viewport
+}
+
+ViewportPane::~ViewportPane() {}
+
+void ViewportPane::setViewport(QWidget* viewport, const QString& title) {
+    if (m_viewport) {
+        m_layout->removeWidget(m_viewport);
+        delete m_viewport;
+    }
+    m_viewport = viewport;
+    m_titleLabel->setText(title);
+
+    m_viewport->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+    m_layout->addWidget(m_viewport);
+}
+
+void ViewportPane::addVtkViewport() {
+    auto* viewport = new uLib::Vtk::QViewport(this);
+    setViewport(viewport, "VTK Viewport");
+}
+
+void ViewportPane::addRootCanvas() {
+    auto* canvas = new uLib::Root::QCanvas(this);
+    setViewport(canvas, "ROOT Canvas");
+}
+
+void ViewportPane::onCloseRequested() {
+    QSplitter* parentSplitter = qobject_cast<QSplitter*>(parentWidget());
+    if (parentSplitter && parentSplitter->count() > 1) {
+        deleteLater();
+    } else {
+        // Can't close the last viewport in the splitter safely. Re-initialize to default VTK canvas.
+        addVtkViewport();
+    }
+}
+
+void ViewportPane::showContextMenu(const QPoint& pos) {
+    QMenu menu(this);
+    QAction* hSplit = menu.addAction("H split");
+    QAction* vSplit = menu.addAction("V split");
+    menu.addSeparator();
+    
+    bool isVtk = (qobject_cast<uLib::Vtk::QViewport*>(m_viewport) != nullptr);
+
+    QAction* changeType = menu.addAction(isVtk ? "Change to ROOT Canvas" : "Change to VTK Viewport");
+
+    QAction* selected = menu.exec(m_titleBar->mapToGlobal(pos));
+    
+    if (selected == hSplit) {
+        AttemptSplit(Qt::Horizontal);
+    } else if (selected == vSplit) {
+        AttemptSplit(Qt::Vertical);
+    } else if (selected == changeType) {
+        if (isVtk) {
+            addRootCanvas();
+        } else {
+            addVtkViewport();
+        }
+    }
+}
+
+void ViewportPane::AttemptSplit(Qt::Orientation orientation) {
+    QWidget* p = parentWidget();
+    if (!p) return;
+
+    QSplitter* parentSplitter = qobject_cast<QSplitter*>(p);
+    if (!parentSplitter) return;
+
+    ViewportPane* newPane = new ViewportPane();
+
+    // 1. Synchronize viewport content and camera (VTK Viewport only for now)
+    auto* currentVtk = qobject_cast<uLib::Vtk::QViewport*>(m_viewport);
+    if (currentVtk) {
+        auto* newVtk = qobject_cast<uLib::Vtk::QViewport*>(newPane->currentViewport());
+        if (newVtk) {
+            // Copy puppets
+            for (auto* puppet : currentVtk->getPuppets()) {
+                newVtk->AddPuppet(*puppet);
+            }
+            // Copy camera
+            if (currentVtk->GetRenderer() && newVtk->GetRenderer()) {
+                vtkCamera* currentCam = currentVtk->GetRenderer()->GetActiveCamera();
+                vtkCamera* newCam = newVtk->GetRenderer()->GetActiveCamera();
+                if (currentCam && newCam) {
+                    newCam->DeepCopy(currentCam);
+                }
+            }
+            // Sync grid visible and axis
+            newVtk->SetGridVisible(currentVtk->GetGridVisible());
+            newVtk->SetGridAxis(currentVtk->GetGridAxis());
+        }
+    }
+
+    // 2. Adjust for ROOT Canvas if that was the active view
+    bool isRoot = (qobject_cast<uLib::Root::QCanvas*>(m_viewport) != nullptr);
+    if (isRoot) {
+        newPane->addRootCanvas();
+    }
+
+    if (parentSplitter->orientation() == orientation) {
+        int index = parentSplitter->indexOf(this);
+        QList<int> sizes = parentSplitter->sizes();
+        int currentSize = sizes.value(index, 0);
+        int half = currentSize / 2;
+        sizes[index] = half;
+        sizes.insert(index + 1, currentSize - half);
+        
+        parentSplitter->insertWidget(index + 1, newPane);
+        parentSplitter->setSizes(sizes);
+    } else {
+        int index = parentSplitter->indexOf(this);
+        QList<int> parentSizes = parentSplitter->sizes();
+        
+        QSplitter* newSplitter = new QSplitter(orientation);
+        newSplitter->addWidget(this);
+        newSplitter->addWidget(newPane);
+        
+        QList<int> subSizes;
+        subSizes << 500 << 500;
+        newSplitter->setSizes(subSizes);
+        
+        parentSplitter->insertWidget(index, newSplitter);
+        parentSplitter->setSizes(parentSizes);
+    }
+}

app/gcompose/src/ViewportPane.h

@@ -0,0 +1,34 @@
+#ifndef VIEWPORTPANE_H
+#define VIEWPORTPANE_H
+
+#include <QWidget>
+
+class QVBoxLayout;
+class QLabel;
+
+class ViewportPane : public QWidget {
+    Q_OBJECT
+public:
+    explicit ViewportPane(QWidget* parent = nullptr);
+    virtual ~ViewportPane();
+
+    void addVtkViewport();
+    void addRootCanvas();
+
+    QWidget* currentViewport() const { return m_viewport; }
+
+private slots:
+    void onCloseRequested();
+    void showContextMenu(const QPoint& pos);
+
+private:
+    void AttemptSplit(Qt::Orientation orientation);
+    void setViewport(QWidget* viewport, const QString& title);
+
+    QVBoxLayout* m_layout;
+    QWidget* m_titleBar;
+    QLabel* m_titleLabel;
+    QWidget* m_viewport;
+};
+
+#endif // VIEWPORTPANE_H

app/gcompose/src/main.cpp

@@ -1,7 +1,8 @@
 #include <QApplication>
 #include "MainWindow.h"
 #include "MainPanel.h"
-#include "QViewportPane.h"
+#include "ViewportPane.h"
+#include "StyleManager.h"
 
 #include "Math/ContainerBox.h"
 #include <HEP/Geant/Scene.h>
@@ -11,6 +12,8 @@
 #include <Vtk/vtkContainerBox.h>
 #include <Vtk/vtkQViewport.h>
 
+#include "Core/ObjectsContext.h"
+
 #include <vtkSmartPointer.h>
 #include <vtkCubeSource.h>
 #include <vtkPolyDataMapper.h>
@@ -26,6 +29,7 @@ using namespace uLib::literals;
 
 int main(int argc, char** argv) {
     QApplication app(argc, argv);
+    StyleManager::applyStyle(&app, "dark");
     std::cout << "Starting gcompose Qt application..." << std::endl;
 
     ContainerBox world_box(Vector3f(1, 1, 1));
@@ -35,10 +39,15 @@ int main(int argc, char** argv) {
     scene.ConstructWorldBox(world_box.GetSize(), "G4_AIR");
     scene.Initialize();
 
+    uLib::ObjectsContext globalContext;
+    globalContext.AddObject(&world_box);
+    globalContext.AddObject(&scene);
+
     // 2. Initialize MainWindow (contains embedded VTK QViewport)
     MainWindow window;
+    window.setContext(&globalContext);
     MainPanel* panel = window.getPanel();
-    QViewportPane* pane = panel->getFirstPane();
+    ViewportPane* pane = panel->getFirstPane();
     Vtk::QViewport* viewport = qobject_cast<Vtk::QViewport*>(pane->currentViewport());
 
     Vtk::vtkContainerBox vtk_box(&world_box);

src/Core/CMakeLists.txt

@@ -10,6 +10,7 @@ set(HEADERS
     Macros.h 
     Mpl.h 
     Object.h 
+    ObjectsContext.h
     Options.h 
     Serializable.h 
     Signal.h 
@@ -26,6 +27,7 @@ set(SOURCES
     Archives.cpp 
     Debug.cpp 
     Object.cpp 
+    ObjectsContext.cpp
     Options.cpp 
     Serializable.cpp 
     Signal.cpp 

src/Core/ObjectsContext.cpp

@@ -0,0 +1,47 @@
+#include "Core/ObjectsContext.h"
+#include <algorithm>
+
+namespace uLib {
+
+ObjectsContext::ObjectsContext() : Object() {}
+
+ObjectsContext::~ObjectsContext() {}
+
+void ObjectsContext::AddObject(Object* obj) {
+    if (obj && std::find(m_objects.begin(), m_objects.end(), obj) == m_objects.end()) {
+        m_objects.push_back(obj);
+        this->Updated(); // Signal that the context has been updated
+    }
+}
+
+void ObjectsContext::RemoveObject(Object* obj) {
+    auto it = std::find(m_objects.begin(), m_objects.end(), obj);
+    if (it != m_objects.end()) {
+        m_objects.erase(it);
+        this->Updated(); // Signal that the context has been updated
+    }
+}
+
+void ObjectsContext::Clear() {
+    if (!m_objects.empty()) {
+        m_objects.clear();
+        this->Updated();
+    }
+}
+
+const std::vector<Object*>& ObjectsContext::GetObjects() const {
+    return m_objects;
+}
+
+size_t ObjectsContext::GetCount() const {
+    return m_objects.size();
+}
+
+Object* ObjectsContext::GetObject(size_t index) const {
+    if (index < m_objects.size()) {
+        return m_objects[index];
+    }
+    return nullptr;
+}
+
+} // namespace uLib

src/Core/ObjectsContext.h

@@ -0,0 +1,59 @@
+#ifndef U_CORE_OBJECTS_CONTEXT_H
+#define U_CORE_OBJECTS_CONTEXT_H
+
+#include "Core/Object.h"
+#include <vector>
+
+namespace uLib {
+
+/**
+ * @brief ObjectsContext represents a collection of Object instances.
+ */
+class ObjectsContext : public Object {
+public:
+    ObjectsContext();
+    virtual ~ObjectsContext();
+
+    /**
+     * @brief Adds an object to the context.
+     * @param obj Pointer to the object to add.
+     */
+    void AddObject(Object* obj);
+
+    /**
+     * @brief Removes an object from the context.
+     * @param obj Pointer to the object to remove.
+     */
+    void RemoveObject(Object* obj);
+
+    /**
+     * @brief Clears all objects from the context.
+     */
+    void Clear();
+
+    /**
+     * @brief Returns the collection of objects.
+     * @return Const reference to the vector of object pointers.
+     */
+    const std::vector<Object*>& GetObjects() const;
+
+    /**
+     * @brief Returns the number of objects in the context.
+     * @return Size of the collection.
+     */
+    size_t GetCount() const;
+
+    /**
+     * @brief Returns an object by index.
+     * @param index The index of the object.
+     * @return Pointer to the object or nullptr if index is out of bounds.
+     */
+    Object* GetObject(size_t index) const;
+
+private:
+    std::vector<Object*> m_objects;
+};
+
+} // namespace uLib
+
+#endif // U_CORE_OBJECTS_CONTEXT_H

src/Math/ContainerBox.h

@@ -77,13 +77,13 @@ public:
    * @brief Sets the box origin relative to its coordinate system.
    * @param v The origin position vector.
    */
-  inline void SetOrigin(const Vector3f &v) { m_LocalT.SetPosition(v); }
+  void SetOrigin(const Vector3f &v) { m_LocalT.SetPosition(v); }
 
   /**
    * @brief Gets the box origin relative to its coordinate system.
    * @return The origin position vector.
    */
-  inline Vector3f GetOrigin() const { return m_LocalT.GetPosition(); }
+  Vector3f GetOrigin() const { return m_LocalT.GetPosition(); }
 
   /**
    * @brief Sets the size of the box.
@@ -101,7 +101,7 @@ public:
    * @brief Gets the current size (scale) of the box.
    * @return The size vector.
    */
-  inline Vector3f GetSize() const { 
+  Vector3f GetSize() const { 
     Vector3f s = this->GetScale();
     Vector3f ls = m_LocalT.GetScale();
     return Vector3f(s(0) * ls(0), s(1) * ls(1), s(2) * ls(2));
@@ -112,7 +112,7 @@ public:
    * @param first Index of the first axis (0=X, 1=Y, 2=Z).
    * @param second Index of the second axis (0=X, 1=Y, 2=Z).
    */
-  inline void FlipLocalAxes(int first, int second) {
+  void FlipLocalAxes(int first, int second) {
     m_LocalT.FlipAxes(first, second);
   }
 
@@ -133,7 +133,7 @@ public:
    * @param v The local point (4D homogeneous vector).
    * @return The transformed point in world space.
    */
-  inline Vector4f GetWorldPoint(const Vector4f &v) const {
+  Vector4f GetWorldPoint(const Vector4f &v) const {
     return m_LocalT.GetWorldMatrix() * v;
   }
 
@@ -144,7 +144,7 @@ public:
    * @param z Z coordinate in local space.
    * @return The transformed point in world space.
    */
-  inline Vector4f GetWorldPoint(const float x, const float y, const float z) {
+  Vector4f GetWorldPoint(const float x, const float y, const float z) {
     return this->GetWorldPoint(Vector4f(x, y, z, 1));
   }
 
@@ -153,7 +153,7 @@ public:
    * @param v The world point (4D homogeneous vector).
    * @return The transformed point in box-local space.
    */
-  inline Vector4f GetLocalPoint(const Vector4f &v) const {
+  Vector4f GetLocalPoint(const Vector4f &v) const {
     return m_LocalT.GetWorldMatrix().inverse() * v;
   }
 
@@ -164,7 +164,7 @@ public:
    * @param z Z coordinate in world space.
    * @return The transformed point in box-local space.
    */
-  inline Vector4f GetLocalPoint(const float x, const float y, const float z) {
+  Vector4f GetLocalPoint(const float x, const float y, const float z) {
     return this->GetLocalPoint(Vector4f(x, y, z, 1));
   }
 

src/Math/Geometry.h

@@ -30,14 +30,24 @@
 
 #include "Math/Dense.h"
 #include "Math/Transform.h"
+#include <cmath>
 
 namespace uLib {
 
 class Geometry : public AffineTransform {
 public:
 
+    virtual Vector3f ToLinear(const Vector3f& curved_space) const {
+        return curved_space;
+    }
+
+    virtual Vector3f FromLinear(const Vector3f& cartesian_space) const {
+        return cartesian_space;
+    }
+
     inline Vector4f GetWorldPoint(const Vector4f v) const {
-        return this->GetWorldMatrix() * v;
+        Vector3f lin = ToLinear(Vector3f(v.x(), v.y(), v.z()));
+        return this->GetWorldMatrix() * Vector4f(lin.x(), lin.y(), lin.z(), v.w());
     }
 
     inline Vector4f GetWorldPoint(const float x, const float y, const float z) {
@@ -45,7 +55,9 @@ public:
     }
 
     inline Vector4f GetLocalPoint(const Vector4f v) const {
-        return this->GetWorldMatrix().inverse() * v;
+        Vector4f loc_lin = this->GetWorldMatrix().inverse() * v;
+        Vector3f curv = FromLinear(Vector3f(loc_lin.x(), loc_lin.y(), loc_lin.z()));
+        return Vector4f(curv.x(), curv.y(), curv.z(), loc_lin.w());
     }
 
     inline Vector4f GetLocalPoint(const float x, const float y, const float z) {
@@ -53,6 +65,73 @@ public:
     }
 };
 
+class CylindricalGeometry : public Geometry {
+public:
+    CylindricalGeometry() {}
+
+    Vector3f ToLinear(const Vector3f& cylindrical) const {
+        return Vector3f(cylindrical.x() * std::cos(cylindrical.y()), 
+                        cylindrical.x() * std::sin(cylindrical.y()), 
+                        cylindrical.z());
+    }
+
+    Vector3f FromLinear(const Vector3f& linear) const {
+        float r = std::sqrt(linear.x() * linear.x() + linear.y() * linear.y());
+        float phi = std::atan2(linear.y(), linear.x());
+        return Vector3f(r, phi, linear.z());
+    }
+
+};
+
+class SphericalGeometry : public Geometry {
+public:
+    SphericalGeometry() {}
+
+    Vector3f ToLinear(const Vector3f& spherical) const {
+        float r = spherical.x();
+        float theta = spherical.y();
+        float phi = spherical.z();
+        return Vector3f(r * std::sin(theta) * std::cos(phi),
+                        r * std::sin(theta) * std::sin(phi),
+                        r * std::cos(theta));
+    }
+
+    Vector3f FromLinear(const Vector3f& linear) const {
+        float r = linear.norm();
+        float theta = (r == 0.0f) ? 0.0f : std::acos(linear.z() / r);
+        float phi = std::atan2(linear.y(), linear.x());
+        return Vector3f(r, theta, phi);
+    }
+
+};
+
+class ToroidalGeometry : public Geometry {
+public:
+    ToroidalGeometry(float Rtor) : m_Rtor(Rtor) {}
+
+    Vector3f ToLinear(const Vector3f& toroidal) const {
+        float r = toroidal.x();
+        float theta = toroidal.y();
+        float phi = toroidal.z();
+        return Vector3f((m_Rtor + r * std::cos(theta)) * std::cos(phi),
+                        (m_Rtor + r * std::cos(theta)) * std::sin(phi),
+                        r * std::sin(theta));
+    }
+
+    Vector3f FromLinear(const Vector3f& linear) const {
+        float phi = std::atan2(linear.y(), linear.x());
+        float r_xy = std::sqrt(linear.x() * linear.x() + linear.y() * linear.y());
+        float delta_r = r_xy - m_Rtor;
+        float z = linear.z();
+        float r = std::sqrt(delta_r * delta_r + z * z);
+        float theta = std::atan2(z, delta_r);
+        return Vector3f(r, theta, phi);
+    }
+
+private:
+    float m_Rtor;
+
+};
 
 }
 

src/Math/Transform.h

@@ -81,12 +81,12 @@ public:
 
     Eigen::Affine3f& GetTransform() { return m_T; }
 
-    inline AffineTransform *GetParent() const { return this->m_Parent; }
+    AffineTransform *GetParent() const { return this->m_Parent; }
 
-    inline void SetParent(AffineTransform *name) { this->m_Parent = name; }
+    void SetParent(AffineTransform *name) { this->m_Parent = name; }
 
-    inline void SetMatrix (Matrix4f mat) { m_T.matrix() = mat; }
-    inline Matrix4f GetMatrix() const { return m_T.matrix(); }
+    void SetMatrix (Matrix4f mat) { m_T.matrix() = mat; }
+    Matrix4f GetMatrix() const { return m_T.matrix(); }
 
     Matrix4f GetWorldMatrix() const
     {
@@ -94,45 +94,45 @@ public:
         else return  m_Parent->GetWorldMatrix() * m_T.matrix(); // T = B * A //
     }
 
-    inline void SetPosition(const Vector3f v) { this->m_T.translation() = v; }
+    void SetPosition(const Vector3f v) { this->m_T.translation() = v; }
 
-    inline Vector3f GetPosition() const { return this->m_T.translation(); }
+    Vector3f GetPosition() const { return this->m_T.translation(); }
 
-    inline void SetRotation(const Matrix3f m) { this->m_T.linear() = m; }
+    void SetRotation(const Matrix3f m) { this->m_T.linear() = m; }
 
-    inline Matrix3f GetRotation() const { return this->m_T.rotation(); }
+    Matrix3f GetRotation() const { return this->m_T.rotation(); }
 
-    inline void Translate(const Vector3f v) { this->m_T.pretranslate(v); }
+    void Translate(const Vector3f v) { this->m_T.pretranslate(v); }
 
-    inline void Scale(const Vector3f v) { this->m_T.scale(v); }
+    void Scale(const Vector3f v) { this->m_T.scale(v); }
 
-    inline Vector3f GetScale() const { 
+    Vector3f GetScale() const { 
         return Vector3f(m_T.linear().col(0).norm(), 
                         m_T.linear().col(1).norm(), 
                         m_T.linear().col(2).norm()); 
     }
 
 
-    inline void Rotate(const Matrix3f m) { this->m_T.rotate(m); }
+    void Rotate(const Matrix3f m) { this->m_T.rotate(m); }
 
-    inline void Rotate(const float angle, Vector3f axis)
+    void Rotate(const float angle, Vector3f axis)
     {
         axis.normalize(); // prehaps not necessary ( see eigens )
         Eigen::AngleAxisf ax(angle,axis);
         this->m_T.rotate(Eigen::Quaternion<float>(ax));
     }
 
-    inline void Rotate(const Vector3f euler_axis) {
+    void Rotate(const Vector3f euler_axis) {
         float angle = euler_axis.norm();
         Rotate(angle,euler_axis);
     }
 
-    inline void PreRotate(const Matrix3f m) { this->m_T.prerotate(m); }
+    void PreRotate(const Matrix3f m) { this->m_T.prerotate(m); }
 
-    inline void QuaternionRotate(const Vector4f q)
+    void QuaternionRotate(const Vector4f q)
     { this->m_T.rotate(Eigen::Quaternion<float>(q)); }
 
-    inline void EulerYZYRotate(const Vector3f e) {
+    void EulerYZYRotate(const Vector3f e) {
         Matrix3f mat;
         mat =     Eigen::AngleAxisf(e.x(), Vector3f::UnitY())
                 * Eigen::AngleAxisf(e.y(), Vector3f::UnitZ())
@@ -140,7 +140,7 @@ public:
         m_T.rotate(mat);
     }
 
-    inline void FlipAxes(int first, int second)
+    void FlipAxes(int first, int second)
     {
         Matrix3f mat = Matrix3f::Identity();
         mat.col(first).swap(mat.col(second));

src/Math/testing/ContainerBoxTest.cpp

@@ -162,6 +162,36 @@ int main()
 
 
 
+  { // test parent-child relationship
+    ContainerBox Parent;
+    Parent.SetPosition(Vector3f(1,1,1));
+    Parent.Scale(Vector3f(2,2,2));
+
+    ContainerBox Child;
+    Child.SetParent(&Parent);
+    Child.SetPosition(Vector3f(0,0,0));
+
+    HPoint3f pt = Child.GetLocalPoint(HPoint3f(0,0,0));
+    HPoint3f wp = Child.GetWorldPoint(pt);
+    TEST0( Vector4f0(wp - HPoint3f(0,0,0)) );
+
+    pt = HPoint3f(1,1,1);
+    wp = Child.GetWorldPoint(pt);
+    TEST0( Vector4f0(wp - HPoint3f(3,3,3)) );
+
+    Parent.Rotate(Vector3f(M_PI,0,0));
+    pt = HPoint3f(1,1,1);
+    wp = Child.GetWorldPoint(pt);
+    TEST0( Vector4f0(wp - HPoint3f(3,-1,-1)) );
+
+    Child.Rotate(Vector3f(M_PI,0,0));
+    pt = HPoint3f(1,1,1);
+    wp = Child.GetWorldPoint(pt);
+    TEST0( Vector4f0(wp - HPoint3f(3,3,3)) );
+
+  }
+
+
 
   END_TESTING;
 }

src/Math/testing/GeometryTest.cpp

@@ -92,6 +92,36 @@ int main()
 
 
 
+  // CYLINDRICAL GEOMETRY TESTING
+  {
+    CylindricalGeometry cyl;
+    Vector3f cyl_pt(5.0f, M_PI_2, 3.0f);
+    Vector3f lin = cyl.ToLinear(cyl_pt);
+    TEST0( Vector4f0(lin.homogeneous() - HPoint3f(0.0f, 5.0f, 3.0f)) );
+    Vector3f recovered = cyl.FromLinear(lin);
+    TEST0( Vector4f0(recovered.homogeneous() - cyl_pt.homogeneous()) );
+  }
+
+  // SPHERICAL GEOMETRY TESTING
+  {
+    SphericalGeometry sph;
+    Vector3f sph_pt(5.0f, M_PI_2, M_PI);
+    Vector3f lin = sph.ToLinear(sph_pt);
+    TEST0( Vector4f0(lin.homogeneous() - HPoint3f(-5.0f, 0.0f, 0.0f)) );
+    Vector3f recovered = sph.FromLinear(Vector3f(-5.0f, 0.0f, 0.0f));
+    TEST0( Vector4f0(recovered.homogeneous() - sph_pt.homogeneous()) );
+  }
+
+  // TOROIDAL GEOMETRY TESTING
+  {
+    ToroidalGeometry tor(10.0f);
+    Vector3f tor_pt(1.0f, M_PI_2, M_PI);
+    Vector3f lin = tor.ToLinear(tor_pt);
+    TEST0( Vector4f0(lin.homogeneous() - HPoint3f(-10.0f, 0.0f, 1.0f)) );
+    Vector3f recovered = tor.FromLinear(Vector3f(-10.0f, 0.0f, 1.0f));
+    TEST0( Vector4f0(recovered.homogeneous() - tor_pt.homogeneous()) );
+  }
+
   END_TESTING;
 }