Add zoom to GraphEdit

Also fix some responsiveness issues:
-Box selection no longer visible when connecting.
-Allow cancel connection with mouse's right button.

1 files changed, 5 insertions, 0 deletions

diff --git a/scene/gui/graph_edit.h b/scene/gui/graph_edit.h
index 5e339e4e7e..b63597afba 100644
--- a/scene/gui/graph_edit.h
+++ b/scene/gui/graph_edit.h
@@ -53,6 +53,8 @@ private:
 	bool just_selected;
 	Vector2 drag_accum;
 
+	float zoom;
+
 	bool box_selecting;
 	bool box_selection_mode_aditive;
 	Point2 box_selecting_from;
@@ -96,6 +98,9 @@ public:
 	void disconnect_node(const StringName& p_from, int p_from_port,const StringName& p_to,int p_to_port);
 	void clear_connections();
 
+	void set_zoom(float p_zoom);
+	float get_zoom() const;
+
 	GraphEditFilter *get_top_layer() const { return top_layer; }
 	void get_connection_list(List<Connection> *r_connections) const;