gistfile1

    var theWindow = [[CPWindow alloc] initWithContentRect:CGRectMakeZero() styleMask:CPBorderlessBridgeWindowMask],
        contentView = [theWindow contentView];
    [contentView setBackgroundColor:[CPColor yellowColor]];
    label = [CPTextField labelWithTitle:@"FOO"];
    [label setTextColor:[CPColor whiteColor]];
    var boxedView = [CPBox boxEnclosingView:label];
    [boxedView setFillColor:[CPColor blackColor]];
    [boxedView setBorderColor:[CPColor whiteColor]];
    [boxedView setCornerRadius:4.0];
    [boxedView setBorderWidth:2.0];
    [boxedView setBorderType:CPLineBorder];
    [boxedView setNeedsDisplay:YES];
    [boxedView setCenter:[contentView center]];
    [contentView addSubview:boxedView];
    
    [theWindow orderFront:self];