gistfile1.txt

    NSRect rect = [self bounds];
   
    CGRect bounds = CGRectInset(*(CGRect *)&rect, SHADOW_HORIZONTAL_INSET - 0.5, SHADOW_VERTICAL_INSET - 0.5);
  
   NSShadow * shadow = [[NSShadow alloc] init];

   [shadow setShadowColor:[NSColor colorWithCalibratedWhite:0.0 alpha:0.5]];
   [shadow setShadowOffset:NSMakeSize(0.0, -10.0)];
   [shadow setShadowBlurRadius:100.0];
    
    [[NSColor whiteColor] setFill];
    [[NSColor colorWithCalibratedWhite:0.0 alpha:0.2] setStroke];
    
    CGContextBeginPath(context);
    CGContextAddArc(context, CGRectGetMinX(bounds) + 5.0, CGRectGetMaxY(bounds) - 5.0, 5.0, M_PI, M_PI_2, YES);
    CGContextAddArc(context, CGRectGetMaxX(bounds) - 5.0, CGRectGetMaxY(bounds) - 5.0, 5.0, M_PI_2, 0, YES);
    CGContextAddLineToPoint(context, CGRectGetMaxX(bounds), CGRectGetMinY(bounds));
    CGContextAddLineToPoint(context, CGRectGetMinX(bounds), CGRectGetMinY(bounds));
    
    CGContextClosePath(context);
    
    CGContextDrawPath(context, kCGPathFillStroke);