diff -r e3fe3617b631 -r f9f308c8e0c5 src/ui/canvas.h
--- a/src/ui/canvas.h	Fri Aug 27 14:38:56 2021 +0300
+++ b/src/ui/canvas.h	Sun Aug 29 20:05:24 2021 +0300
@@ -30,6 +30,7 @@
 	void mouseMoveEvent(QMouseEvent* event) override;
 	void mousePressEvent(QMouseEvent* event) override;
 	void mouseReleaseEvent(QMouseEvent* event) override;
+	void keyReleaseEvent(QKeyEvent *event) override;
 	void initializeGL() override;
 	void paintGL() override;
 Q_SIGNALS: