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added in colors -- underlying mred support not there yet, tho

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original commit: 41bcc53433334f0f4288812300587b7b94dec11f
This commit is contained in:
Robby Findler 1996-07-04 21:34:26 +00:00
parent 624c9129a8
commit ecedc233a2
1 changed files with 38 additions and 19 deletions
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57
collects/mred/edit.ss
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@ -279,24 +279,9 @@
(lambda ()
(when mode
(send mode after-set-position this))
(super-after-set-position))]
(super-after-set-position))])
[ranges null]
;; the bitmap is used in b/w and the color is used in color.
[add-range
(lambda (start end bitmap color)
(let ([l (make-range start end bitmap color)])
(set! ranges (cons l ranges))
(recompute-range-rectangles)
(lambda () (set! ranges
(let loop ([r ranges])
(cond
[(null? r) r]
[else (if (eq? (car r) l)
(cdr r)
(cons (car r) (loop (cdr r))))])))
(recompute-range-rectangles))))]
(private
[range-rectangles null]
[recompute-range-rectangles
(lambda ()
@ -357,6 +342,24 @@
(for-each invalidate-rectangle old-rectangles)
(for-each invalidate-rectangle range-rectangles)
(end-edit-sequence)))]
[ranges null])
(public
;; the bitmap is used in b/w and the color is used in color.
[highlight-range
(opt-lambda (start end color [bitmap #f])
(let ([l (make-range start end bitmap color)])
(set! ranges (cons l ranges))
(recompute-range-rectangles)
(lambda () (set! ranges
(let loop ([r ranges])
(cond
[(null? r) r]
[else (if (eq? (car r) l)
(cdr r)
(cons (car r) (loop (cdr r))))])))
(recompute-range-rectangles))))]
[on-paint
(lambda (before dc left top right bottom dx dy draw-caret)
(super-on-paint before dc left top right bottom dx dy draw-caret)
@ -366,18 +369,34 @@
[brush (make-object wx:brush% "black" wx:const-stipple)]
[old-pen (send dc get-pen)]
[old-brush (send dc get-brush)]
[old-logical-function (send dc get-logical-function)]
[b/w-bitmap (rectangle-b/w-bitmap rectangle)]
[color (rectangle-color rectangle)]
[left (rectangle-left rectangle)]
[top (rectangle-top rectangle)]
[width (rectangle-width rectangle)]
[height (rectangle-height rectangle)])
(send pen set-stipple b/w-bitmap)
(send brush set-stipple b/w-bitmap)
(cond
[(and color
(not (eq? wx:platform 'unix))
(<= 8 (wx:display-depth)))
(send pen set-style wx:const-solid)
(send brush set-style wx:const-solid)
(send pen set-colour color)
(send brush set-colour color)
(send dc set-logical-function wx:const-or-reverse)]
[b/w-bitmap
(send pen set-stipple b/w-bitmap)
(send brush set-stipple b/w-bitmap)]
[else (send dc set-logical-function wx:const-xor)
(send pen set-style wx:const-solid)
(send brush set-style wx:const-solid)])
(send dc set-pen pen)
(send dc set-brush brush)
(unless (or (zero? width)
(zero? height))
(send dc draw-rectangle (+ left dx) (+ top dy) width height))
(send dc set-logical-function old-logical-function)
(send dc set-pen old-pen)
(send dc set-brush old-brush)))
range-rectangles)))])