fixed make-color-dictionary

scsh/scgame/scgame.scm

@@ -1,4 +1,4 @@
-;;; scgame.scm - a scheme game library (needs a scx-0.2)
+;;; scgame.scm - a scheme game library (needs a scx-0.2 or scheme48-fb)
 ;;;
 ;;; Copyright (c) 2011-2012 Johan Ceuppens
 ;;;
@@ -48,6 +48,7 @@
                       (make-gc-value-alist (background (string->color 'White)
                                                        (foreground (string->Color colorname)))))))
    (draw-point dpy win gc (inexact->exact x) (inexact->exact y))))
+
 (define (putpixel x y foregroundcolorname backgroundcolorname)
   (let ((gc (create-gc dpy win
                        (make-gc-value-alist (background (string->color backgroundcolorname)

scsh/scgame/scgamedictionaries.scm

@@ -27,6 +27,12 @@
 ;;; THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 ;; Dictionary ADT with ref,set!,add!,make public methods at the end
 
+(load "scgameutil.scm")
+
+;; Usage :
+;; (define d (make-color-dictionary 1024))
+;; (dictionary-ref d 'Navy) ;; returns "000080"
+
 (define (make-dictionary1)
   ;; methods are FIFO (first fixed first out)
   (let ((*dict '()))
@@ -34,8 +40,20 @@
     (define (get key) ;; get key
       (do ((l *dict (cdr l)))
 	  ((eq? key (caar l))
-	   (cadr l));;returns value
+	   (cadar l));;returns value
 	))
+
+    (define (get-substring key) ;; get key
+      (do ((l *dict (cdr l)))
+	  ((string<=? (if (symbol? key)
+                          (symbol->string key)
+                          (if (string? key)
+                              key
+                              (display "dictionary-get-substring : unknown key type")))
+                      (symbol->string (caar l)))
+           (cadr l));;returns value
+	))
+
     (define (add key value)
       (set! *dict (append *dict (list (list key value)))))
 
@@ -43,20 +61,23 @@
       (do ((l *dict (cdr l))
 	   (res '() (append (list (car l) res))))
 	  ((eq? key (caar l))
-	   (set! (cadr res) value)
+	   (set-car! (cdr res) value)
 	   (set! *dict (append res (cdr l))))
 	))
 
 
     (lambda (msg)
       (cond ((eq? msg 'get) get)
+            ((eq? msg 'get-substring) get-substring)
 	    ((eq? msg 'set) set)
 	    ((eq? msg 'add) add)
 	    (else (aspecterror)(display "make-dictionary"))))
     ))
 
-(define (make-dictionary) (make-dictionary1))
+(define make-dictionary make-dictionary1)
 (define (dictionary-ref dict key) ((dict 'get) key))
+;; NOTE: dictionary-ref-substring:  match key part with keys in dict
+(define (dictionary-ref-substring dict key) ((dict 'get-substring) key))
 (define (dictionary-set! dict key value) ((dict 'set) key value))
 (define (dictionary-add! dict key value) ((dict 'add) key value))
 
@@ -272,5 +293,4 @@
 		(dictionary-add! dict 'Ivory   "FFFFF0")
 		(dictionary-add! dict 'White   "FFFFFF")
 		))
-
-    ))
+    dict))

scsh/scgame/scgameutil.scm

@@ -43,8 +43,9 @@
 
 (define (substring? needle haystack j)
 ;;  (define (max? s1 s2 j)
-    (if (and (string? haystack)(string? needle))
-	(let ((hs (string-cat haystack j)))
-	  ((string>=? needle hs) hs))
-	#f))
-
+  (if (and (string? haystack)(string? needle))
+      (let ((hs (string-cat haystack j)))
+        (if (string<=? needle hs)
+            hs
+            #f))
+      #f))

scsh/scgame/scgamewidgets.scm

@@ -1,4 +1,4 @@
-;;; scgamewidgets.scm - a scheme game library (needs scx-0.2)
+;;; scgamewidgets.scm - a scheme game library (needs scx-0.2 or scheme48-fb)
 ;;;
 ;;; Copyright (c) 2011-2012 Johan Ceuppens
 ;;;