I dunno that this makes it any easier...

I tried splitting up the sources to speed
up some compiling... but it didn't help.
I dunno that it's more readable this way.

I'm checkpointing this just in case.

backlight.h

@@ -0,0 +1,8 @@
+#pragma once
+
+#include <filesystem>
+#include "MouseWheelSlider.h"
+
+void adjustBrightness( MouseWheelSlider *, void * );
+
+int getBacklightPercent( const std::filesystem::path &backlightPath );