diff -r 30204975694a -r 64ea7282611e src/ui/canvas.h
--- a/src/ui/canvas.h	Mon May 16 01:40:49 2022 +0300
+++ b/src/ui/canvas.h	Tue May 24 16:11:10 2022 +0300
@@ -24,13 +24,14 @@
 	void drawWorldPolyline(QPainter* painter, const std::vector<glm::vec3>& points);
 	void drawWorldPolygon(QPainter* painter, const std::vector<glm::vec3>& points);
 	Winding worldPolygonWinding(const std::vector<glm::vec3>& points) const;
-	const std::optional<glm::vec3>& getWorldPosition() const;
+        const std::optional<glm::vec3>& getWorldPosition() const;
 	void adjustGridToView();
 	const QSet<ldraw::id_t> selectedObjects() const;
 	const glm::mat4& getGridMatrix() const;
 public Q_SLOTS:
 	void handleSelectionChange(const QSet<ldraw::id_t>& selectedIds, const QSet<ldraw::id_t>& deselectedIds);
 	void rebuildVertices(Document *document);
+        void setGridMatrix(const glm::mat4 &newMatrix);
 protected:
 	void mouseMoveEvent(QMouseEvent* event) override;
 	void mousePressEvent(QMouseEvent* event) override;
@@ -43,7 +44,6 @@
 	void mouseClick(Canvas* canvas, QMouseEvent* event);
 	void mouseMove(Canvas* canvas, QMouseEvent* event);
 private:
-	void setGridMatrix(const glm::mat4 &newMatrix);
 	glm::vec3 cameraVector() const;
 	bool isGridPerpendicularToScreen(float threshold) const;
 	QVector<QPointF> convertWorldPointsToScreenPoints(const std::vector<glm::vec3>& worldPoints) const;