adjustable onScreenButtonView alpha(transparency)

Limelight/Input/CustomOSC/OSCProfilesManager.m

@@ -286,6 +286,7 @@ static NSMutableDictionary *onScreenButtonViewsDict;
         buttonState.timestamp = buttonView.timestamp;
         buttonState.widthFactor = buttonView.widthFactor;
         buttonState.heightFactor = buttonView.heightFactor;
+        buttonState.backgroundAlpha = buttonView.backgroundAlpha;
         NSData *buttonStateEncoded = [NSKeyedArchiver archivedDataWithRootObject:buttonState requiringSecureCoding:YES error:nil];
         [buttonStatesEncoded addObject: buttonStateEncoded];
     }];

Limelight/Input/CustomOSC/OnScreenButtonState.h

@@ -28,6 +28,7 @@ NS_ASSUME_NONNULL_BEGIN
 @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) CGFloat backgroundAlpha; // for OnScreenController CALayer
 
 // @property (nonatomic, assign) BOOL hasValidPosition;
 

Limelight/Input/CustomOSC/OnScreenButtonState.m

@@ -36,6 +36,7 @@
     [encoder encodeFloat:self.widthFactor forKey:@"widthFactor"];
     [encoder encodeFloat:self.heightFactor forKey:@"heightFactor"];
     [encoder encodeFloat:self.oscLayerSizeFactor forKey:@"oscLayerSizeFactor"];
+    [encoder encodeFloat:self.backgroundAlpha forKey:@"backgroundAlpha"];
 }
 
 - (id) initWithCoder:(NSCoder*)decoder {
@@ -49,6 +50,7 @@
         self.widthFactor = [decoder decodeFloatForKey:@"widthFactor"];
         self.heightFactor = [decoder decodeFloatForKey:@"heightFactor"];
         self.oscLayerSizeFactor = [decoder decodeFloatForKey:@"oscLayerSizeFactor"];
+        self.backgroundAlpha = [decoder decodeFloatForKey:@"backgroundAlpha"];
     }
     return self;
 }