resizable on-screen sticks & single layer on-screen controller buttons

Limelight/Input/CustomOSC/OnScreenButtonState.h

@@ -27,6 +27,7 @@ NS_ASSUME_NONNULL_BEGIN
 @property (nonatomic, assign) NSTimeInterval timestamp;
 @property (nonatomic, assign) CGFloat widthFactor; // for OnScreenButtonView
 @property (nonatomic, assign) CGFloat heightFactor; // for OnScreenButtonView
+@property (nonatomic, assign) CGFloat oscLayerSizeFactor; // for OnScreenController CALayer
 
 // @property (nonatomic, assign) BOOL hasValidPosition;