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original commit: 9c1ea297b794280ab91755cdce91dd031d71d549
This commit is contained in:
Robby Findler 2004-11-29 20:09:59 +00:00
parent 4853575269
commit 807f03464d
1 changed files with 96 additions and 73 deletions
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95
collects/mrlib/name-message.ss
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@ -1,3 +1,4 @@
(module name-message mzscheme
(require (lib "string-constant.ss" "string-constants")
(lib "class.ss")
@ -8,7 +9,7 @@
(provide/contract
(draw-button-label
((is-a?/c dc<%>) (union false/c string?) (>/c 5) (>/c 5) boolean?
((is-a?/c dc<%>) (union false/c string?) (>/c 5) (>/c 5) boolean? boolean?
. -> .
void?))
@ -57,6 +58,19 @@
(define mouse-grabbed? #f)
(define (on-event evt)
(let* ([needs-update? #f]
[do-update
(lambda ()
(when needs-update?
(on-paint)))])
(let-values ([(max-x max-y) (get-size)])
(let ([inside? (and (<= 0 (send evt get-x) max-x)
(<= 0 (send evt get-y) max-y))])
(unless (eq? inside? inverted?)
(set! inverted? inside?)
(set! needs-update? #t))))
(cond
[(and paths (not (null? paths)))
(cond
@ -64,7 +78,7 @@
(let-values ([(width height) (get-client-size)])
(set! inverted? #t)
(on-paint)
(set! needs-update? #t)
(let ([menu (make-object popup-menu% #f
(lambda x
(set! inverted? #f)
@ -77,37 +91,33 @@
(lambda (evt item)
(on-choose-directory (apply build-path (reverse paths)))))
(loop (cdr paths))]))
(do-update)
(popup-menu menu
0
height)))]
[else (void)])]
[else (do-update)])]
[else
(cond
[(send evt moving?)
(when mouse-grabbed?
(let-values ([(max-x max-y) (get-size)])
(let ([inside? (and (<= 0 (send evt get-x) max-x)
(<= 0 (send evt get-y) max-y))])
(unless (eq? inside? inverted?)
(set! inverted? inside?)
(on-paint)))))]
[(send evt button-up? 'left)
(set! mouse-grabbed? #f)
(cond
[inverted?
(set! inverted? #f)
(on-paint)
(set! needs-update? #t)
(do-update)
(message-box
(string-constant drscheme)
(string-constant no-full-name-since-not-saved)
(get-top-level-window))]
[else
(void)])]
(do-update)])]
[(send evt button-down? 'left)
(set! mouse-grabbed? #t)
(set! inverted? #t)
(on-paint)]
[else (void)])]))
(set! needs-update? #t)
(do-update)]
[else
(do-update)])])))
(inherit get-parent)
(define (update-min-sizes)
@ -122,7 +132,7 @@
(let ([dc (get-dc)])
(let-values ([(w h) (get-client-size)])
(when (and (> w 5) (> h 5))
(draw-button-label dc label w h inverted?)))))
(draw-button-label dc label w h inverted? mouse-grabbed?)))))
(super-instantiate ())
(update-min-sizes)
@ -130,33 +140,38 @@
(stretchable-height #f)))
(define button-label-font
(send the-font-list find-or-create-font
(case (system-type)
[(windows) 8]
[(macosx) 10]
[else 10])
'decorative 'normal 'normal #f))
[(windows)
(send the-font-list find-or-create-font 8 'decorative 'normal 'normal #f)]
[(macosx)
(send the-font-list find-or-create-font 11 'system 'normal 'bold #f)]
[else
(send the-font-list find-or-create-font 10 'decorative 'normal 'normal #f)]))
(define button-label-inset 1)
(define drop-shadow-size 2)
(define black-color (make-object color% "BLACK"))
(define triangle-width 10)
(define triangle-height 7)
(define triangle-space 2)
(define (calc-button-min-sizes dc label)
(send dc set-font button-label-font)
(let-values ([(w h a d) (send dc get-text-extent label button-label-font)])
(let ([ans-w
(+ button-label-inset
button-label-inset
drop-shadow-size
1 ;; for the outer drop shadow
1 ;; becuase "(define ...)" has the wrong size under windows
(max 0 (inexact->exact (ceiling w))))]
(max 0 (inexact->exact (ceiling w)))
triangle-space
triangle-width
button-label-inset)]
[ans-h
(+ button-label-inset button-label-inset
drop-shadow-size
1 ;; for the outer drop shadow
(max 0 (inexact->exact (ceiling h))))])
(+ button-label-inset
(max 0
(inexact->exact (ceiling h))
triangle-height)
button-label-inset)])
(values ans-w ans-h))))
(define (offset-color color offset-one)
@ -170,7 +185,14 @@
(define dark-button-color (offset-color (get-panel-background)
(lambda (v) (floor (- v (/ v 2))))))
(define (draw-button-label dc label w h inverted?)
(define triangle
(list (make-object point% 0 0)
(make-object point% triangle-width 0)
(make-object point% (/ triangle-width 2) triangle-height)))
(define (draw-button-label dc label w h mouse-over? grabbed?)
(define inverted? grabbed?)
(send dc set-text-foreground black-color)
(send dc set-text-background (get-panel-background))
(send dc set-pen (send the-pen-list find-or-create-pen
@ -186,6 +208,7 @@
(send the-brush-list find-or-create-brush
(if inverted? dark-button-color light-button-color) 'solid))
#;
(let ([border
(lambda (d)
(send dc draw-rectangle
@ -206,12 +229,12 @@
(border (- n 1))
(loop (- n 1))]))))
(send dc draw-polygon triangle
(- w triangle-width)
(- (/ h 2) (/ triangle-height 2)))
(when label
(send dc set-font button-label-font)
;; 1 is for the outer drop shadow box
(send dc draw-text label
(+ button-label-inset
(if inverted? drop-shadow-size 1))
(+ button-label-inset
(if inverted? drop-shadow-size 1))))))
(send dc draw-text label button-label-inset button-label-inset))))