Added movement storing

comdel/display/component_display.cpp

@@ -5,7 +5,6 @@
 
 #include <QMenu>
 #include <QGraphicsSceneContextMenuEvent>
-#include <QGraphicsScene>
 #include <iostream>
 
 namespace display {
@@ -46,4 +45,24 @@ void Bus::contextMenuEvent(QGraphicsSceneContextMenuEvent *event) {
     menu.exec(event->screenPos());
 }
 
+    QVariant BusGroup::itemChange(QGraphicsItem::GraphicsItemChange change, const QVariant &value) {
+        if (change == ItemPositionChange && scene()) {
+            // value is the new position.
+            QPointF newPos = value.toPointF();
+            busInstance->position.first = newPos.x();
+            busInstance->position.second = newPos.y();
+        }
+        return QGraphicsItem::itemChange(change, value);
+    }
+
+
+    QVariant ComponentGroup::itemChange(QGraphicsItem::GraphicsItemChange change, const QVariant &value) {
+        if (change == ItemPositionChange && scene()) {
+            // value is the new position.
+            QPointF newPos = value.toPointF();
+            componentInstance->position.first = newPos.x();
+            componentInstance->position.second = newPos.y();
+        }
+        return QGraphicsItem::itemChange(change, value);
+    }
 } // namespace display

comdel/display/component_display.h

@@ -24,9 +24,12 @@ private:
     std::shared_ptr<domain::ComponentInstance> instance;
 public:
     Component(const std::shared_ptr<domain::ComponentInstance>& instance): instance(instance) {
+        setFlag(ItemSendsGeometryChanges, true);
+
         instance->component.getDisplay().render(this);
     }
     void contextMenuEvent(QGraphicsSceneContextMenuEvent *event) override;
+
 };
 
 class Bus: public QGraphicsItemGroup
@@ -37,6 +40,7 @@ public:
         instance->bus.getDisplay()->render(this);
     }
     void contextMenuEvent(QGraphicsSceneContextMenuEvent *event) override;
+
 };
 
 class ComponentGroup: public QGraphicsItemGroup
@@ -47,6 +51,8 @@ private:
 public:
     explicit ComponentGroup(const std::shared_ptr<domain::ComponentInstance>& instance): componentInstance(instance) {
         setFlag(ItemIsMovable, true);
+        setFlag(ItemSendsGeometryChanges, true);
+
         setHandlesChildEvents(false);
 
         addToGroup(new display::Component(instance));
@@ -57,6 +63,10 @@ public:
 
         setPos(instance->position.first, instance->position.second);
     }
+
+protected:
+    virtual QVariant itemChange(GraphicsItemChange change, const QVariant &value);
+
 };
 
 class BusGroup: public QGraphicsItemGroup
@@ -67,14 +77,21 @@ private:
 public:
     explicit BusGroup(const std::shared_ptr<domain::BusInstance>& instance): busInstance(instance) {
         setFlag(ItemIsMovable, true);
+        setFlag(ItemSendsGeometryChanges, true);
+
         setHandlesChildEvents(false);
 
         addToGroup(new display::Bus(instance));
 
         setPos(instance->position.first, instance->position.second);
     }
+
+protected:
+    virtual QVariant itemChange(GraphicsItemChange change, const QVariant &value);
 };
 
+
+
 } // namespace display
 
 #endif // DISPLAY_COMPONENT_H