From 6c0baa0c1ea1d338675e75db1b1a52182cf38efc Mon Sep 17 00:00:00 2001 From: Robby Findler Date: Sun, 25 Nov 2012 13:18:09 -0600 Subject: [PATCH] make sure there is a dc before trying to size text --- collects/drracket/private/syncheck/blueboxes-gui.rkt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/collects/drracket/private/syncheck/blueboxes-gui.rkt b/collects/drracket/private/syncheck/blueboxes-gui.rkt index f6cfaeaf0a..3bad566086 100644 --- a/collects/drracket/private/syncheck/blueboxes-gui.rkt +++ b/collects/drracket/private/syncheck/blueboxes-gui.rkt @@ -507,7 +507,7 @@ (define/private (in-lock/in-read-more? evt) (cond [(send evt leaving?) (values #f #f)] - [(get-show-docs?) + [(and (get-show-docs?) (get-dc)) (define dc-x (send evt get-x)) (define dc-y (send evt get-y)) (define-values (br bt bmp-x bmp-y) (get-box-upper-right-and-lock-coordinates))