build: trial version target

builds now app and trail target, lib_gui added, istrail function

src/lib_gui/qt/view/graphElements/QtGraphEdge.h

@@ -0,0 +1,71 @@
+#ifndef QT_GRAPH_EDGE_H
+#define QT_GRAPH_EDGE_H
+
+#include <memory>
+
+#include <QGraphicsItem>
+
+#include "utility/math/Vector2.h"
+
+#include "data/graph/token_component/TokenComponentAggregation.h"
+
+class Edge;
+class QtGraphNode;
+
+class QtGraphEdge
+	: public QObject
+	, public QGraphicsItemGroup
+{
+	Q_OBJECT
+	Q_PROPERTY(qreal opacity READ opacity WRITE setOpacity)
+
+public:
+	QtGraphEdge(const std::weak_ptr<QtGraphNode>& owner, const std::weak_ptr<QtGraphNode>& target, const Edge* data, size_t weight);
+	virtual ~QtGraphEdge();
+
+	const Edge* getData() const;
+
+	std::weak_ptr<QtGraphNode> getOwner();
+	std::weak_ptr<QtGraphNode> getTarget();
+
+	void updateLine();
+
+	bool getIsActive() const;
+	void setIsActive(bool isActive);
+	void setFromAndToActive(bool fromActive, bool toActive);
+
+	void onClick();
+
+	void focusIn();
+	void focusOut();
+
+	void setDirection(TokenComponentAggregation::Direction direction);
+
+protected:
+	virtual void mousePressEvent(QGraphicsSceneMouseEvent* event);
+	virtual void mouseMoveEvent(QGraphicsSceneMouseEvent* event);
+	virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent* event);
+
+	virtual void hoverEnterEvent(QGraphicsSceneHoverEvent* event);
+	virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent* event);
+
+private:
+	const Edge* m_data;
+
+	std::weak_ptr<QtGraphNode> m_owner;
+	std::weak_ptr<QtGraphNode> m_target;
+
+	QGraphicsLineItem* m_child;
+
+	bool m_isActive;
+	bool m_fromActive;
+	bool m_toActive;
+	size_t m_weight;
+
+	TokenComponentAggregation::Direction m_direction;
+
+	Vec2i m_mousePos;
+	bool m_mouseMoved;
+};
+
+#endif // QT_GRAPH_EDGE_H