stk/Demos/Html-Demos/puzzle.stk

67 lines
2.3 KiB
Plaintext

;;;; puzzle.stk -- A puzzle written in STk (from the Tcl Demo)
;;;;
;;;; Copyright © 1998 Erick Gallesio - I3S-CNRS/ESSI <eg@unice.fr>
;;;;
;;;; Permission to use, copy, and/or distribute this software and its
;;;; documentation for any purpose and without fee is hereby granted, provided
;;;; that both the above copyright notice and this permission notice appear in
;;;; all copies and derived works. Fees for distribution or use of this
;;;; software or derived works may only be charged with express written
;;;; permission of the copyright holder.
;;;; This software is provided ``as is'' without express or implied warranty.
;;;;
;;;; $Id: puzzle.stk 1.1 Tue, 10 Mar 1998 20:43:37 +0000 eg $
;;;;
;;;; Author: Erick Gallesio [eg@unice.fr]
;;;; Creation date: 9-Mar-1998 21:11
;;;;Last file update: 9-Mar-1998 21:37
(define (display-puzzle parent)
(define (puzzle-switch w num xpos ypos space)
(let ((x (vector-ref xpos num))
(y (vector-ref ypos num))
(x_spc (vector-ref xpos space))
(y_spc (vector-ref ypos space)))
(when (or (and (>= y (- y_spc 0.01)) (<= y (+ y_spc 0.01))
(>= x (- x_spc 0.26)) (<= x (+ x_spc 0.26)))
(and (>= x (- x_spc 0.01)) (<= x (+ x_spc 0.01))
(>= y (- y_spc 0.26)) (<= y (+ y_spc 0.26))))
(vector-set! xpos space x)
(vector-set! xpos num x_spc)
(vector-set! ypos space y)
(vector-set! ypos num y_spc)
(place w :relx x_spc :rely y_spc))))
(let ((order '#(3 1 6 2 5 7 15 13 4 11 8 9 14 10 12))
(xpos (make-vector 16))
(ypos (make-vector 16))
(space 0)
(f (frame (format #f "~A.f" (widget-name parent))
:width 150 :height 150 :bd 4 :relief "solid")))
(do ((i 0 (+ i 1)))
((= i 15))
(let* ((num (vector-ref order i))
(b (button (format #f "~A.b~A" (widget-name f) i) :text num
:highlightthickness 0)))
;; Set the command of the button (and grab current environment)
(tk-set! b :command (lambda ()
(puzzle-switch b num xpos ypos space)))
(vector-set! xpos num (* (modulo i 4) 0.25))
(vector-set! ypos num (* (floor (/ i 4)) 0.25))
(place b :relx (vector-ref xpos num)
:rely (vector-ref ypos num)
:relwidth 0.25
:relheight 0.25)))
(vector-set! xpos space 0.75)
(vector-set! ypos space 0.75)
(pack f :expand #t :fill "both")
f))