#!/bin/sh
:;exec /usr/local/bin/stk -f "$0" "$@"
;;;;
;;;; A simple STk browser 
;;;;
;;;; This script generates a directory browser, which lists the working
;;;; directory and allows you to open files or subdirectories by
;;;; double-clicking.
;;;; This is a new version of the demo which can be run before STk is installed
;;;;
;;;; $Id: browse.stk 1.2 Mon, 16 Feb 1998 08:28:39 +0100 eg $
;;;;
;;;;           Author: Erick Gallesio [eg@unice.fr]
;;;;    Creation date:  3-Aug-1993 17:33
;;;; Last file update: 12-Feb-1998 11:28

(require "unix")

;; Create a scrollbar on the right side of the main window and a listbox
;; on the left side.
(frame '.f)
(scrollbar '.f.scroll :command (lambda l (apply .f.list   'yview l)))
(listbox   '.f.list   :yscroll (lambda l (apply .f.scroll 'set   l))
	   	      :width 30 :height 20 :font "fixed")

(pack .f.scroll .f.list :side "right" :expand #t :fill "both")
(pack .f :side "top" :fill "both" :expand #t)

(button '.quit :text "Quit" :command (lambda () (exit)))
(pack .quit :fill "x" :side "bottom" :expand #t)

;;;
;;; Callback
;;;
(define (fill-listbox dir)
  (chdir dir)
  (.f.list 'delete 0 "end")
  (apply .f.list 'insert 0 (sort (glob "*" ".*") string<?)))

(define (browse)
  (catch 
    (let ((file (string-append (getcwd) "/" (selection 'get))))
      (cond
        ((file-is-directory? file) (fill-listbox file))
	((file-is-readable? file)  (system (string-append "xedit " file "&")))
	(else			   (error "Bad directory or file ~S" file))))))


;; Fill the listbox with a list of all the files (in the given directory or ".")
(fill-listbox (if (> *argc* 0) (car *argv*) (getcwd)))

;; Set binding for "Double-click" on the listbox
(bind .f.list "<Double-Button-1>" browse)