diff -r 40a1cf2f38f5 -r d922431eacf7 src/ui/canvas.h
--- a/src/ui/canvas.h	Sun Jul 25 16:26:38 2021 +0300
+++ b/src/ui/canvas.h	Sun Jul 25 16:29:08 2021 +0300
@@ -23,6 +23,7 @@
 	void setOverpaintCallback(OverpaintCallback fn);
 	void drawWorldPoint(QPainter* painter, const glm::vec3& worldPoint) const;
 	void drawWorldPolygon(QPainter* painter, const std::vector<glm::vec3>& points);
+	const std::optional<glm::vec3>& getWorldPosition() const;
 public slots:
 	void handleSelectionChange(const QSet<ldraw::id_t>& selectedIds, const QSet<ldraw::id_t>& deselectedIds);
 protected: