racket/collects/framework/private/focus-table.rkt
2011-09-27 19:28:44 -06:00

14 lines
463 B
Racket

#lang racket/base
(require racket/gui/base)
(provide frame:lookup-focus-table
frame:set-focus-table)
;; focus-table : hash[eventspace -o> (listof frame)]
(define focus-table (make-hash))
(define (frame:lookup-focus-table [eventspace (current-eventspace)])
(hash-ref focus-table eventspace '()))
(define (frame:set-focus-table eventspace new)
(if (null? new)
(hash-remove! focus-table eventspace)
(hash-set! focus-table eventspace new)))