diff -r 91053052bb28 -r e81f4ad53efd src/mainwindow.h
--- a/src/mainwindow.h	Sat Apr 08 16:41:40 2023 +0300
+++ b/src/mainwindow.h	Sat Apr 08 16:59:55 2023 +0300
@@ -14,6 +14,8 @@
 	void renderStyleSelected(gl::RenderStyle newStyle);
 public Q_SLOTS:
 	void setRenderStyle(gl::RenderStyle style);
+private Q_SLOTS:
+	void showAboutDialog();
 };
 
 #endif // MAINWINDOW_H