note to self

beautiful-racket/br/demo/jsonic/indenter.rkt

@@ -4,6 +4,9 @@
 (define open-braces #f)
 (define indent-width 2)
 
+;; todo: update indenter to work from an arbitrary line in the middle
+;; not just top to bottom.
+
 (define (indenter drr-editor start-pos)
   (when (zero? start-pos) (set! open-braces 0))
   (define first-pos-in-this-line

beautiful-racket/br/demo/jsonic/toolbar.rkt

@@ -7,11 +7,11 @@
               [bitmap (make-object bitmap% 16 16)]
               [callback (λ (drr-frame)
                           (define drr-editor (send drr-frame get-definitions-text))
+                          (define block-string "@$  $@")
                           (send drr-editor begin-edit-sequence)
-                          (send drr-editor insert "@$  $@")
+                          (send drr-editor insert block-string)
                           (send drr-editor end-edit-sequence)
                           (define pos (send drr-editor get-end-position))
-                          (send drr-editor set-position (- pos 3)) 
+                          (send drr-editor set-position (- pos (/ (string-length block-string) 2))))]
-                          )]
               [number 98])
           (list label bitmap callback number))))