stk/Demos/Widget/Wradio.stklos

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1996-09-27 06:29:02 -04:00
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;
;;;; STk adaptation of the Tk widget demo.
;;;;
;;;; This demonstration script creates a toplevel window containing
;;;; several radiobutton widgets.
;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(require "Button")
(define (demo-radio)
(let* ((w (make-demo-toplevel "radio"
"Radiobutton Demonstration"
"Two groups of radiobuttons are displayed below. If you click on a button then the button will become selected exclusively among all the buttons in its group. A Tcl variable is associated with each group to indicate which of the group's buttons is selected. Click the \"See Variables\" button to see the current values of the variables."
'radio-size 'radio-color))
(radios (make <Frame> :parent w))
(left (make <Frame> :parent radios))
(right (make <Frame> :parent radios)))
;; Create radiobuttons
(for-each (lambda (pt)
(pack (make <Radio-button>
:parent left
:text (format #f "Point Size ~A" pt)
:variable 'radio-size
:relief "flat"
:width 15
:anchor "w"
:value pt)))
'(10 12 18 24))
(for-each (lambda (color)
(pack (make <Radio-button>
:parent right
:text color
:variable 'radio-color
:relief "flat"
:width 15
:anchor "w"
:value color)))
'("Red" "Green" "Blue" "Yellow" "Orange" "Purple"))
(pack left right :side "left" :expand #f :pady ".5c" :padx ".5c")
(pack radios)))