ui: graph view edges

Added simple edges to the graph view. Also fixed a memory leak source in QtMainWindow.

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src/app/qt/view/graphElements/QtGraphNode.cpp

@@ -1,20 +1,83 @@
 #include "qt/view/graphElements/QtGraphNode.h"
 
 #include "qgraphicsscene.h"
+#include "qgraphicssceneevent.h"
 
-
+#include "qt/view/graphElements/QtGraphEdge.h"
 
 QtGraphNode::QtGraphNode(const Vec2i& position, const std::string& name)
 {
-	this->setRect(position.x, position.y, 100, 100);
+	this->setRect(0, 0, 100, 100);
+	this->setPos(position.x, position.y);
 	QBrush brush(Qt::lightGray);
 	this->setBrush(brush);
 
 	m_text = new QGraphicsTextItem(this);
-	m_text->setPos(position.x, position.y);
+	m_text->setPos(0, 0);
 	m_text->setPlainText(QString(name.c_str()));
 }
 
 QtGraphNode::~QtGraphNode()
 {
-}
+}
+
+Vec2i QtGraphNode::getPosition()
+{
+	return Vec2i(this->scenePos().x(), this->scenePos().y());
+}
+
+void QtGraphNode::addOutEdge(const std::shared_ptr<GraphEdge>& edge)
+{
+	m_outEdges.push_back(edge);
+}
+
+void QtGraphNode::addInEdge(const std::weak_ptr<GraphEdge>& edge)
+{
+	m_inEdges.push_back(edge);
+}
+
+void QtGraphNode::removeOutEdge(const std::shared_ptr<GraphEdge>& edge)
+{
+	std::list<std::shared_ptr<GraphEdge> >::iterator it = m_outEdges.begin();
+	for(it; it != m_outEdges.end(); it++)
+	{
+		if(*it == edge)
+		{
+			m_outEdges.erase(it, it);
+			break;
+		}
+	}
+}
+
+void QtGraphNode::mousePressEvent(QGraphicsSceneMouseEvent *event)
+{
+	m_mouseOffset.x = event->pos().x();
+	m_mouseOffset.y = event->pos().y();
+}
+
+void QtGraphNode::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
+{
+	this->setPos(event->scenePos().x() - m_mouseOffset.x, event->scenePos().y() - m_mouseOffset.y);
+
+	Vec2i p(event->scenePos().x(), event->scenePos().y());
+
+	std::list<std::shared_ptr<GraphEdge> >::iterator it = m_outEdges.begin();
+	for(it; it != m_outEdges.end(); it++)
+	{
+		(*it)->ownerMoved();
+	}
+
+	std::list<std::weak_ptr<GraphEdge> >::iterator it2 = m_inEdges.begin();
+	for(it2; it2 != m_inEdges.end(); it2++)
+	{
+		 std::shared_ptr<GraphEdge> edge = it2->lock();
+		 if(edge.get() != NULL)
+		 {
+			 edge->targetMoved();
+		 }
+		 else
+		 {
+			 m_inEdges.erase(it2, it2);
+		 }
+	}
+}