stk/Demos/showvars.stk

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#!/bin/sh
:;exec /usr/local/bin/stk -l "$0" "$@"
;;
;; show-vars w var var var ...
;;
;; Create a top-level window that displays a bunch of global variable values
;; and keeps the display up-to-date even when the variables change value
;;
;; Arguments:
;; w - Name to use for new top-level window.
;; var - Name of variable to monitor.
;;
;;
;; Note that this demo is run with the -l option (instead of the classical -f)
;;
;;
;; Author: Erick Gallesio [eg@unice.fr]
;; Creation date: 9-Aug-1993 22:06
;; Last file update: 2-Mar-1998 00:25
(define (show-vars w . args)
(catch (destroy w))
(toplevel w)
(wm 'title w "Variable values")
(label (& w ".title")
:text "Variable values:"
:width 20
:anchor "center"
:font "-Adobe-helvetica-medium-r-normal--*-180*")
(pack (& w ".title") :side "top" :fill "x")
(for-each (lambda(i)
(let* ((w.i (& w "." i))
(w.i.name (& w.i ".name"))
(w.i.value (& w.i ".value")))
(frame w.i)
(label w.i.name :text (format #f "~A: " i))
(label w.i.value :textvar i)
(pack w.i.name w.i.value :side "left")
(pack w.i :side "top" :anchor "w")))
args)
(pack [button (& w ".ok") :text "Quit" :command (lambda () (exit 0))]
:side "bottom"
:pady 2))
(define a 1)
(define b '(1 2 (a b d) x 1))
(define c "A string")
(show-vars '.test 'a 'b 'c)
(format #t "Try to modify value of displayed variables with set!\n")