Perl/Tk Pocket Reference

9. Other Standard Widgets 37

-sliderlength => size

Size of the slider, measured along the slider’s long

dimension.

-sliderrelief => relief

Specifies the relief used to display the slider.

-tickinterval => number

A real value to specify the spacing between numerical tick

marks displayed.

-to => number

A real value corresponding to the right or bottom end of

the scale.

-variable => varRef

Name of a global variable to link to the scale.

-width => width

Narrow dimension of scale (not including border).

$scale->coords(?value ?);

Returns x and y coordinates of point correspoinding to

value.

$scale->get(?x, y ?);

If x, y is given, returns scale value at that coordiante pos-

tion. Otherwise, scale’s current value is returned.

$scale->identify(x, y);

Returns string indicating part of scale at postion x, y. May

be one of

slider, trough1, trough2, or empty.

$scale->set(value);

Changes the current value of scale to value.

Scrollbar

-activebackground -jump

-background -orient

-borderwidth -relief

-cursor -repeatdelay

-highlightbackground -repeatinterval

38 Perl/Tk Pocket Reference

-activerelief => relief

Relief to use when displaying the element that is active.

-command => callback

Specifies callback to invoke for changing the view in the

widget associated with the scrollbar.

-elementborderwidth => width

Width of borders around internal ...