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delayed the call to get-face-list until the font choice is actually clicked on

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svn: r7454
This commit is contained in:
Robby Findler 2007-10-08 17:21:39 +00:00
parent 959e680154
commit 7bcba19409
1 changed files with 28 additions and 6 deletions
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34
collects/drscheme/private/font.ss
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@ -23,7 +23,7 @@
(list (string-constant font-prefs-panel-title)
(string-constant drscheme))
(λ (panel)
(let* ([main (make-object vertical-panel% panel)]
(letrec ([main (make-object vertical-panel% panel)]
[min-size 1]
[max-size 72]
[options-panel (make-object horizontal-panel% main)]
@ -62,15 +62,37 @@
(min max-size (max min-size (chng old-size)))))))
(label label)))]
[size-sub1 (mk-size-button "-1" sub1)]
[size-sub1 (mk-size-button "+1" add1)]
[size-add1 (mk-size-button "+1" add1)]
[choice-panel (new vertical-panel% (parent options-panel))]
[mono-list 'mono-list-not-yet-computed]
[choice-panel (new (class vertical-panel%
(define/private (force-cache receiver)
(when (eq? receiver font-name-control)
(when (symbol? mono-list)
(begin-busy-cursor)
(set! mono-list (get-face-list 'mono))
(send font-name-control clear)
(for-each
(λ (x) (send font-name-control append x))
(append mono-list (list (string-constant other...))))
(send font-name-control set-string-selection
(preferences:get 'framework:standard-style-list:font-name))
(end-busy-cursor))))
(define/override (on-subwindow-event receiver evt)
(unless (or (send evt moving?)
(send evt entering?)
(send evt leaving?))
(force-cache receiver))
(super on-subwindow-event receiver evt))
(define/override (on-subwindow-char receiver evt)
(force-cache receiver)
(super on-subwindow-char receiver evt))
(super-new [parent options-panel])))]
[font-name-control
(let* ([mono-list (get-face-list 'mono)]
[choice
(let* ([choice
(new choice%
(label (string-constant font-name))
(choices (append mono-list (list (string-constant other...))))
(choices (list (preferences:get 'framework:standard-style-list:font-name)))
(parent choice-panel)
(stretchable-width #t)
(callback