Adding Accessory View to NSWindow.m

- (void) setAccessoryView: (NSView *)view {

	if (view == nil) {
	
		[accessoryView removeFromSuperview];
		return;
		
	}
	
	NSView *themeFrame = [[self contentView] superview];
	
	NSRect themeFrameRect = [themeFrame frame];
	NSRect accessoryViewRect = [view frame];
	
	[view setFrame:NSMakeRect(
				  
		themeFrameRect.size.width - accessoryViewRect.size.width,
		themeFrameRect.size.height - accessoryViewRect.size.height,
		accessoryViewRect.size.width, 
		accessoryViewRect.size.height
	
	)];
	
	[themeFrame addSubview:view];
	
}