1 files changed, 93 insertions, 0 deletions

diff --git a/scene/gui/graph_edit.h b/scene/gui/graph_edit.h
new file mode 100644
index 000000000..f8a2f3fee
--- /dev/null
+++ b/scene/gui/graph_edit.h
@@ -0,0 +1,93 @@
+#ifndef GRAPH_EDIT_H
+#define GRAPH_EDIT_H
+
+#include "scene/gui/graph_node.h"
+#include "scene/gui/scroll_bar.h"
+
+class GraphEdit;
+
+class GraphEditFilter : public Control {
+
+	OBJ_TYPE(GraphEditFilter,Control);
+
+friend class GraphEdit;
+	GraphEdit *ge;
+	virtual bool has_point(const Point2& p_point) const;
+
+public:
+
+
+	GraphEditFilter(GraphEdit *p_edit);
+};
+
+class GraphEdit : public Control {
+
+	OBJ_TYPE(GraphEdit,Control);
+public:
+
+	struct Connection {
+		StringName from;
+		StringName to;
+		int from_port;
+		int to_port;
+
+	};
+private:
+
+	HScrollBar* h_scroll;
+	VScrollBar* v_scroll;
+
+
+	bool connecting;
+	String connecting_from;
+	bool connecting_out;
+	int connecting_index;
+	int connecting_type;
+	Color connecting_color;
+	bool connecting_target;
+	Vector2 connecting_to;
+	String connecting_target_to;
+	int connecting_target_index;
+
+
+
+	bool updating;
+	List<Connection> connections;
+
+	void _draw_cos_line(const Vector2& p_from, const Vector2& p_to,const Color& p_color);
+
+	void _graph_node_raised(Node* p_gn);
+	void _graph_node_moved(Node *p_gn);
+
+	void _update_scroll();
+	void _scroll_moved(double);
+	void _input_event(const InputEvent& p_ev);
+
+	GraphEditFilter *top_layer;
+	void _top_layer_input(const InputEvent& p_ev);
+	void _top_layer_draw();
+	void _update_scroll_offset();
+
+friend class GraphEditFilter;
+	bool _filter_input(const Point2& p_point);
+protected:
+
+	static void _bind_methods();
+	virtual void add_child_notify(Node *p_child);
+	virtual void remove_child_notify(Node *p_child);
+	void _notification(int p_what);
+
+public:
+
+	Error connect_node(const StringName& p_from, int p_from_port,const StringName& p_to,int p_to_port);
+	bool is_node_connected(const StringName& p_from, int p_from_port,const StringName& p_to,int p_to_port);
+	void disconnect_node(const StringName& p_from, int p_from_port,const StringName& p_to,int p_to_port);
+	void clear_connections();
+
+	void get_connection_list(List<Connection> *r_connections);
+
+
+	GraphEdit();
+};
+
+#endif // GRAPHEdit_H