O'Reilly logo

Mastering Perl/Tk by Nancy Walsh, Stephen Lidie

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Determining Coordinates

The coords method returns a list containing x and y coordinates:

($x, $y) = $scale->coords(  );

The coordinates indicate the position in which the current value is located in the Scale. You can also pass in a value to locate:

($x, $y) = $scale->coords(value);

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required