Mouse wheel now works when the volume slider is being displayed.

Utils/VolumeButton.h

@@ -8,10 +8,7 @@
 
 #import "PopupButton.h"
 
-@class PlaybackController;
-
 @interface VolumeButton : PopupButton {
-	IBOutlet PlaybackController *playbackController;
 }
 
 @end

Utils/VolumeButton.m

@@ -8,6 +8,7 @@
 
 #import "VolumeButton.h"
 #import "VolumeSlider.h"
+#import "PlaybackController.h"
 
 @implementation VolumeButton
 
@@ -17,7 +18,7 @@
 	
 	[(VolumeSlider *)_popView setDoubleValue:[(VolumeSlider *)_popView doubleValue] + change];
 	
-	[playbackController changeVolume:_popView];
+	[[(VolumeSlider *)_popView target] changeVolume:_popView];
 	
 	[(VolumeSlider *)_popView showToolTipForDuration:1.0];
 }

Utils/VolumeSlider.m

@@ -7,6 +7,7 @@
 //
 
 #import "VolumeSlider.h"
+#import "PlaybackController.h"
 #import "CogAudio/Helper.h"
 
 @implementation VolumeSlider
@@ -83,5 +84,15 @@
 	return [super sendAction:theAction to:theTarget];
 }
 
+- (void)scrollWheel:(NSEvent *)theEvent
+{
+	double change = [theEvent deltaY];
+	
+	[self setDoubleValue:[self doubleValue] + change];
+	
+	[[self target] changeVolume:self];
+	
+	[self showToolTipForDuration:1.0];
+}
 
 @end