Switch demo2 from arabic/roman to dec/hex.

1 files changed, 8 insertions, 5 deletions

diff --git a/demo2.tl b/demo2.tl
index cd757ce..25bea85 100755
--- a/demo2.tl
+++ b/demo2.tl
@@ -10,20 +10,23 @@
   (button b23 (bnt 3) mainbox2 (xnum (bn 3)))
   (button b24 (bnt 4) mainbox2 (xnum (bn 4)))
   (button b25 (bnt 5) mainbox2 (xnum (bn 5)))
-  (button numeralbutton2 "Numerals" mainbox2 (togglenumar))
+  (button numeralbutton2 "Dec/Hex" mainbox2 (togglenumar))
   (text num2 "zero" numbox2)
   (gtk_widget_show_all demo2))
 
-(defparameter numar 'a)  ;  'r = I II II IV V.  'a = 1 2 3 4 5.
+(defparm numar 'dec) ;; dec or hex
+
+(defparm toggle (relate '(dec hex) '(hex dec)))
 
 ; Button number (bn) and button number text (bnt):
 (defun bn (n) (nth (pred n) '(11 22 33 44 55)))
-(defun bnt (n) (format nil (if (eq numar 'a) "~d" "~@R") (bn n)))
+
+(defun bnt (n) (format nil (if (eq numar 'a) "~d" "~x") (bn n)))
 
 (defun togglenumar ()
-  (set numar (if (eq numar 'a) 'r 'a))
+  (upd numar toggle)
   (each ((button (list b21 b22 b23 b24 b25))
          (n (range 1 5)))
     (xlabel button (bnt n))))
 
-(defun xnum (n) (xtext num2 (format nil "~R" n)))
+(defun xnum (n) (xtext num2 (format nil "~d" n)))