diff -r 94c92c923713 -r 40a1cf2f38f5 src/tools/basetool.h
--- a/src/tools/basetool.h	Sun Jul 25 13:49:37 2021 +0300
+++ b/src/tools/basetool.h	Sun Jul 25 16:26:38 2021 +0300
@@ -18,5 +18,6 @@
 	virtual bool mouseMove(const Canvas::MouseMoveInfo&) { return false; }
 	virtual bool keyReleased(QKeyEvent*) { return false; }
 	virtual void reset() {}
+	virtual void overpaint(Canvas*, QPainter*) const {}
 };