remove example implementation code

Author: g-abilio

examples/calculator/LongProcessingRandomNumber.hpp

@@ -16,8 +16,6 @@ class RandomNumberModel : public MathOperationDataModel
 {
 public:
     RandomNumberModel() {
-        setFrozenMenu(true);
-
         this->setNodeProcessingStatus(QtNodes::NodeProcessingStatus::Empty);
 
 
@@ -46,9 +44,6 @@ class RandomNumberModel : public MathOperationDataModel
 private:
     void compute() override
     {
-        if (frozen())
-            return;
-
         Q_EMIT computingStarted();
         PortIndex const outPortIndex = 0;
 

include/QtNodes/internal/BasicGraphicsScene.hpp

@@ -110,8 +110,6 @@ class NODE_EDITOR_PUBLIC BasicGraphicsScene : public QGraphicsScene
      */
     virtual QMenu *createSceneMenu(QPointF const scenePos);
 
-    QMenu *createFreezeMenu();
-
     void freezeModelAndConnections(bool isFreeze);
 
 Q_SIGNALS:

include/QtNodes/internal/NodeDelegateModel.hpp

@@ -137,10 +137,6 @@ class NODE_EDITOR_PUBLIC NodeDelegateModel
 
     void setFrozenState(bool state) { _frozen = state; }
 
-    bool frozenMenu() const { return _frozenMenu; }
-
-    void setFrozenMenu(bool state) { _frozenMenu = state; }
-
 public Q_SLOTS:
     virtual void inputConnectionCreated(ConnectionId const &) {}
     virtual void inputConnectionDeleted(ConnectionId const &) {}
@@ -196,8 +192,6 @@ public Q_SLOTS:
 
     bool _frozen{false};
 
-    bool _frozenMenu{false};
-
     NodeValidationState _nodeValidationState;
 
     NodeProcessingStatus _processingStatus{NodeProcessingStatus::NoStatus};

src/BasicGraphicsScene.cpp

@@ -209,68 +209,6 @@ QMenu *BasicGraphicsScene::createSceneMenu(QPointF const scenePos)
     return nullptr;
 }
 
-QMenu *BasicGraphicsScene::createFreezeMenu()
-{
-    QMenu *menu = new QMenu();
-
-    auto *txtBox = new QLineEdit(menu);
-    txtBox->setPlaceholderText(QStringLiteral("Filter"));
-    txtBox->setClearButtonEnabled(true);
-
-    auto *txtBoxAction = new QWidgetAction(menu);
-    txtBoxAction->setDefaultWidget(txtBox);
-    menu->addAction(txtBoxAction);
-
-    QTreeWidget *treeView = new QTreeWidget(menu);
-    treeView->header()->close();
-
-    treeView->setMaximumHeight(100);
-    treeView->setMaximumWidth(150);
-
-    auto *treeViewAction = new QWidgetAction(menu);
-    treeViewAction->setDefaultWidget(treeView);
-    menu->addAction(treeViewAction);
-
-    auto freezeItem = new QTreeWidgetItem(treeView);
-    freezeItem->setText(0, "Freeze");
-
-    auto unfreezeItem = new QTreeWidgetItem(treeView);
-    unfreezeItem->setText(0, "Unfreeze");
-
-    treeView->expandAll();
-
-    connect(treeView, &QTreeWidget::itemClicked, [this, menu](QTreeWidgetItem *item, int) {
-        if (item->text(0) == "Freeze") {
-            freezeModelAndConnections(true);
-
-            menu->close();
-            return;
-        }
-        if (item->text(0) == "Unfreeze") {
-            freezeModelAndConnections(false);
-
-            menu->close();
-            return;
-        }
-    });
-
-    // Filtro
-    connect(txtBox, &QLineEdit::textChanged, [treeView](const QString &text) {
-        QTreeWidgetItemIterator it(treeView);
-        while (*it) {
-            auto modelName = (*it)->text(0);
-            const bool match = (modelName.contains(text, Qt::CaseInsensitive));
-            (*it)->setHidden(!match);
-            ++it;
-        }
-    });
-
-    txtBox->setFocus();
-    menu->setAttribute(Qt::WA_DeleteOnClose);
-
-    return menu;
-}
-
 void BasicGraphicsScene::traverseGraphAndPopulateGraphicsObjects()
 {
     auto allNodeIds = _graphModel.allNodeIds();

src/GraphicsView.cpp

@@ -185,30 +185,21 @@ void GraphicsView::centerScene()
 
 void GraphicsView::contextMenuEvent(QContextMenuEvent *event)
 {
-    QGraphicsView::contextMenuEvent(event);
-    QMenu *menu = nullptr;
+    if (itemAt(event->pos())) {
+        QGraphicsView::contextMenuEvent(event);
+        return;
+    }
 
-    bool isFrozenMenu;
+    if (!nodeScene())
+        return;
 
-    if (auto *dfModel = dynamic_cast<DataFlowGraphModel *>(&nodeScene()->graphModel())) {
-        if (auto n = qgraphicsitem_cast<NodeGraphicsObject *>(itemAt(event->pos()))) {
-            if (auto *delegate = dfModel->delegateModel<NodeDelegateModel>(n->nodeId())) {
-                isFrozenMenu = delegate->frozenMenu();
-            }
-        }
-    }
+    auto const scenePos = mapToScene(event->pos());
 
-    if (itemAt(event->pos()) && isFrozenMenu) {
-        menu = nodeScene()->createFreezeMenu();
-    } else if (!itemAt(event->pos())) {
-        menu = nodeScene()->createSceneMenu(mapToScene(event->pos()));
-    }
+    QMenu *menu = nodeScene()->createSceneMenu(scenePos);
 
     if (menu) {
         menu->exec(event->globalPos());
     }
-
-    return;
 }
 
 void GraphicsView::wheelEvent(QWheelEvent *event)