added new preferences first cut
original commit: 2e3ea2a1310978b7ade80ad64839e9929416313b
This commit is contained in:
parent
62001f554c
commit
a69d8d39c9
|
@ -5,369 +5,374 @@
|
|||
[mred:scheme-paren mred:scheme-paren^] [mred:keymap mred:keymap^]
|
||||
[mzlib:function mzlib:function^])
|
||||
|
||||
(define-struct range (start end pen brush))
|
||||
(define-struct rectangle (left top width height pen brush))
|
||||
(define-struct range (start end b/w-bitmap color))
|
||||
(define-struct rectangle (left top width height b/w-bitmap color))
|
||||
|
||||
(define make-std-buffer%
|
||||
(lambda (buffer%)
|
||||
(class buffer% args
|
||||
(inherit modified? get-filename save-file set-max-width)
|
||||
(rename
|
||||
[super-set-filename set-filename]
|
||||
[super-set-modified set-modified]
|
||||
[super-on-change on-change]
|
||||
[super-on-save-file on-save-file])
|
||||
(private
|
||||
[auto-saved-name #f]
|
||||
[auto-save-out-of-date? #t]
|
||||
[auto-save-error? #f])
|
||||
(public
|
||||
[get-file (lambda (d) (let ([v (mred:finder:get-file d)])
|
||||
(if v
|
||||
v
|
||||
'())))]
|
||||
[put-file (lambda (d f) (let ([v (mred:finder:put-file f d)])
|
||||
(if v
|
||||
v
|
||||
'())))]
|
||||
(inherit modified? get-filename save-file set-max-width)
|
||||
(rename
|
||||
[super-set-filename set-filename]
|
||||
[super-set-modified set-modified]
|
||||
[super-on-change on-change]
|
||||
[super-on-save-file on-save-file])
|
||||
(private
|
||||
[auto-saved-name #f]
|
||||
[auto-save-out-of-date? #t]
|
||||
[auto-save-error? #f])
|
||||
(public
|
||||
[get-file (lambda (d) (let ([v (mred:finder:get-file d)])
|
||||
(if v
|
||||
v
|
||||
'())))]
|
||||
[put-file (lambda (d f) (let ([v (mred:finder:put-file f d)])
|
||||
(if v
|
||||
v
|
||||
'())))]
|
||||
|
||||
[auto-set-wrap? #f]
|
||||
[set-auto-set-wrap
|
||||
(lambda (v)
|
||||
(set! auto-set-wrap? v)
|
||||
(if (not v)
|
||||
(set-max-width -1)))]
|
||||
[auto-set-wrap? #f]
|
||||
[set-auto-set-wrap
|
||||
(lambda (v)
|
||||
(set! auto-set-wrap? v)
|
||||
(if (not v)
|
||||
(set-max-width -1)))]
|
||||
|
||||
[active-canvas #f]
|
||||
[set-active-canvas
|
||||
(lambda (c)
|
||||
(set! active-canvas c))]
|
||||
[active-canvas #f]
|
||||
[set-active-canvas
|
||||
(lambda (c)
|
||||
(set! active-canvas c))]
|
||||
|
||||
[canvases '()]
|
||||
[add-canvas
|
||||
(lambda (canvas)
|
||||
(set! canvases (cons canvas canvases)))]
|
||||
[remove-canvas
|
||||
(lambda (canvas)
|
||||
(set! canvases (mzlib:function:remove canvas canvases)))]
|
||||
[canvases '()]
|
||||
[add-canvas
|
||||
(lambda (canvas)
|
||||
(set! canvases (cons canvas canvases)))]
|
||||
[remove-canvas
|
||||
(lambda (canvas)
|
||||
(set! canvases (mzlib:function:remove canvas canvases)))]
|
||||
|
||||
[mode #f]
|
||||
[set-mode
|
||||
(lambda (m)
|
||||
#f)]
|
||||
[mode #f]
|
||||
[set-mode
|
||||
(lambda (m)
|
||||
#f)]
|
||||
|
||||
[set-modified
|
||||
(lambda (modified?)
|
||||
(if auto-saved-name
|
||||
(if (not modified?)
|
||||
(begin
|
||||
(delete-file auto-saved-name)
|
||||
(set! auto-saved-name #f))
|
||||
(set! auto-save-out-of-date? #t)))
|
||||
(super-set-modified modified?)
|
||||
(for-each (lambda (canvas) (send canvas edit-modified modified?))
|
||||
canvases))]
|
||||
[set-filename
|
||||
(opt-lambda (name [temp? #f])
|
||||
(super-set-filename name temp?)
|
||||
(for-each (lambda (canvas) (send canvas edit-renamed name))
|
||||
canvases))]
|
||||
|
||||
[on-change
|
||||
(lambda ()
|
||||
(super-on-change)
|
||||
(set! auto-save-out-of-date? #t))]
|
||||
[auto-save? #t]
|
||||
[do-autosave
|
||||
(lambda ()
|
||||
(when (and auto-save?
|
||||
(not auto-save-error?)
|
||||
(modified?)
|
||||
(or (not auto-saved-name)
|
||||
auto-save-out-of-date?))
|
||||
(let* ([orig-name (get-filename)]
|
||||
[auto-name (mred:path-utils:generate-autosave-name orig-name)]
|
||||
[success (save-file auto-name wx:const-media-ff-copy)])
|
||||
(if success
|
||||
(begin
|
||||
(if auto-saved-name
|
||||
(delete-file auto-saved-name))
|
||||
(set! auto-saved-name auto-name)
|
||||
(set! auto-save-out-of-date? #f))
|
||||
(begin
|
||||
(wx:message-box
|
||||
(format "Error autosaving ~s.~n~a~n~a"
|
||||
(if (null? orig-name) "Untitled" orig-name)
|
||||
"Autosaving is turned off"
|
||||
"until the file is saved.")
|
||||
"Warning")
|
||||
(set! auto-save-error? #t))))))]
|
||||
[remove-autosave
|
||||
(lambda ()
|
||||
(when auto-saved-name
|
||||
(delete-file auto-saved-name)
|
||||
(set! auto-saved-name #f)))]
|
||||
|
||||
[backup? #t]
|
||||
[on-save-file
|
||||
(lambda (name format)
|
||||
(set! auto-save-error? #f)
|
||||
(if (super-on-save-file name format)
|
||||
[set-modified
|
||||
(lambda (modified?)
|
||||
(if auto-saved-name
|
||||
(if (not modified?)
|
||||
(begin
|
||||
(if (and backup?
|
||||
(not (= format wx:const-media-ff-copy)))
|
||||
(if (file-exists? name)
|
||||
(let ([back-name (mred:path-utils:generate-backup-name name)])
|
||||
(unless (file-exists? back-name)
|
||||
(rename-file name back-name)))))
|
||||
#t)
|
||||
#f))]
|
||||
(delete-file auto-saved-name)
|
||||
(set! auto-saved-name #f))
|
||||
(set! auto-save-out-of-date? #t)))
|
||||
(super-set-modified modified?)
|
||||
(for-each (lambda (canvas) (send canvas edit-modified modified?))
|
||||
canvases))]
|
||||
[set-filename
|
||||
(opt-lambda (name [temp? #f])
|
||||
(super-set-filename name temp?)
|
||||
(for-each (lambda (canvas) (send canvas edit-renamed name))
|
||||
canvases))]
|
||||
|
||||
[get-canvas
|
||||
(lambda ()
|
||||
(cond
|
||||
[(and active-canvas
|
||||
(member active-canvas canvases))
|
||||
active-canvas]
|
||||
[(null? canvases) #f]
|
||||
[else (car canvases)]))]
|
||||
[get-frame
|
||||
(lambda ()
|
||||
(let ([c (get-canvas)])
|
||||
(if c
|
||||
(let ([f (send c get-parent)])
|
||||
(if (null? f)
|
||||
#f
|
||||
f))
|
||||
#f)))])
|
||||
(sequence
|
||||
(apply super-init args)))))
|
||||
[on-change
|
||||
(lambda ()
|
||||
(super-on-change)
|
||||
(set! auto-save-out-of-date? #t))]
|
||||
[auto-save? #t]
|
||||
[do-autosave
|
||||
(lambda ()
|
||||
(when (and auto-save?
|
||||
(not auto-save-error?)
|
||||
(modified?)
|
||||
(or (not auto-saved-name)
|
||||
auto-save-out-of-date?))
|
||||
(let* ([orig-name (get-filename)]
|
||||
[auto-name (mred:path-utils:generate-autosave-name orig-name)]
|
||||
[success (save-file auto-name wx:const-media-ff-copy)])
|
||||
(if success
|
||||
(begin
|
||||
(if auto-saved-name
|
||||
(delete-file auto-saved-name))
|
||||
(set! auto-saved-name auto-name)
|
||||
(set! auto-save-out-of-date? #f))
|
||||
(begin
|
||||
(wx:message-box
|
||||
(format "Error autosaving ~s.~n~a~n~a"
|
||||
(if (null? orig-name) "Untitled" orig-name)
|
||||
"Autosaving is turned off"
|
||||
"until the file is saved.")
|
||||
"Warning")
|
||||
(set! auto-save-error? #t))))))]
|
||||
[remove-autosave
|
||||
(lambda ()
|
||||
(when auto-saved-name
|
||||
(delete-file auto-saved-name)
|
||||
(set! auto-saved-name #f)))]
|
||||
|
||||
[backup? #t]
|
||||
[on-save-file
|
||||
(lambda (name format)
|
||||
(set! auto-save-error? #f)
|
||||
(if (super-on-save-file name format)
|
||||
(begin
|
||||
(if (and backup?
|
||||
(not (= format wx:const-media-ff-copy)))
|
||||
(if (file-exists? name)
|
||||
(let ([back-name (mred:path-utils:generate-backup-name name)])
|
||||
(unless (file-exists? back-name)
|
||||
(rename-file name back-name)))))
|
||||
#t)
|
||||
#f))]
|
||||
|
||||
[get-canvas
|
||||
(lambda ()
|
||||
(cond
|
||||
[(and active-canvas
|
||||
(member active-canvas canvases))
|
||||
active-canvas]
|
||||
[(null? canvases) #f]
|
||||
[else (car canvases)]))]
|
||||
[get-frame
|
||||
(lambda ()
|
||||
(let ([c (get-canvas)])
|
||||
(if c
|
||||
(let ([f (send c get-parent)])
|
||||
(if (null? f)
|
||||
#f
|
||||
f))
|
||||
#f)))])
|
||||
(sequence
|
||||
(apply super-init args)))))
|
||||
|
||||
(define edits%
|
||||
(class-asi wx:snip%
|
||||
(private
|
||||
[edits null])
|
||||
(public
|
||||
[add
|
||||
(lambda (edit)
|
||||
(unless (let loop ([e edits])
|
||||
(cond
|
||||
[(null? e) #f]
|
||||
[else (if (eq? this (car e))
|
||||
#t
|
||||
(loop (cdr e)))]))
|
||||
(set! edits (cons edit edits))))])))
|
||||
(private
|
||||
[edits null])
|
||||
(public
|
||||
[add
|
||||
(lambda (edit)
|
||||
(unless (let loop ([e edits])
|
||||
(cond
|
||||
[(null? e) #f]
|
||||
[else (if (eq? this (car e))
|
||||
#t
|
||||
(loop (cdr e)))]))
|
||||
(set! edits (cons edit edits))))])))
|
||||
|
||||
(define edits (make-object edits%))
|
||||
|
||||
(define make-edit%
|
||||
(lambda (super%)
|
||||
(class (make-std-buffer% super%) args
|
||||
(inherit mode canvases
|
||||
invalidate-bitmap-cache
|
||||
begin-edit-sequence end-edit-sequence
|
||||
flash-on get-keymap get-start-position
|
||||
on-default-char on-default-event
|
||||
set-file-format get-style-list)
|
||||
(rename [super-on-focus on-focus]
|
||||
[super-on-paint on-paint]
|
||||
[super-on-local-event on-local-event]
|
||||
[super-on-local-char on-local-char]
|
||||
(inherit mode canvases
|
||||
invalidate-bitmap-cache
|
||||
begin-edit-sequence end-edit-sequence
|
||||
flash-on get-keymap get-start-position
|
||||
on-default-char on-default-event
|
||||
set-file-format get-style-list)
|
||||
(rename [super-on-focus on-focus]
|
||||
[super-on-paint on-paint]
|
||||
[super-on-local-event on-local-event]
|
||||
[super-on-local-char on-local-char]
|
||||
|
||||
[super-after-set-position after-set-position]
|
||||
[super-after-set-position after-set-position]
|
||||
|
||||
[super-on-edit-sequence on-edit-sequence]
|
||||
[super-on-change-style on-change-style]
|
||||
[super-on-insert on-insert]
|
||||
[super-on-delete on-delete]
|
||||
[super-on-set-size-constraint on-set-size-constraint]
|
||||
[super-on-edit-sequence on-edit-sequence]
|
||||
[super-on-change-style on-change-style]
|
||||
[super-on-insert on-insert]
|
||||
[super-on-delete on-delete]
|
||||
[super-on-set-size-constraint on-set-size-constraint]
|
||||
|
||||
[super-after-edit-sequence after-edit-sequence]
|
||||
[super-after-change-style after-change-style]
|
||||
[super-after-insert after-insert]
|
||||
[super-after-delete after-delete]
|
||||
[super-after-set-size-constraint after-set-size-constraint])
|
||||
(public
|
||||
[set-mode
|
||||
(lambda (m)
|
||||
(if mode
|
||||
(send mode deinstall this))
|
||||
(if (is-a? m mred:mode:mode%)
|
||||
(begin
|
||||
(set! mode m)
|
||||
(set-file-format (ivar m file-format))
|
||||
(send (send (get-style-list)
|
||||
find-named-style "Standard")
|
||||
set-delta (ivar m standard-style-delta))
|
||||
(send m install this))
|
||||
(begin
|
||||
(set! mode #f)
|
||||
(send (send (get-style-list)
|
||||
find-named-style "Standard")
|
||||
set-delta (make-object wx:style-delta%)))))]
|
||||
[on-focus
|
||||
(lambda (on?)
|
||||
(super-on-focus on?)
|
||||
(when mode
|
||||
(send mode on-focus this on?)))]
|
||||
[on-local-event
|
||||
(lambda (mouse)
|
||||
(if (or (not mode)
|
||||
(not (send mode on-event this mouse)))
|
||||
(super-on-local-event mouse)))]
|
||||
[on-insert
|
||||
(lambda (start len)
|
||||
(if (or (not mode) (send mode on-insert this start len))
|
||||
(super-on-insert start len)))]
|
||||
[on-delete
|
||||
(lambda (start len)
|
||||
(if (or (not mode) (send mode on-delete this start len))
|
||||
(super-on-delete start len)))]
|
||||
[on-change-style
|
||||
(lambda (start len)
|
||||
(if (or (not mode) (send mode on-change-style this start len))
|
||||
(super-on-change-style start len)))]
|
||||
[on-edit-sequence
|
||||
(lambda ()
|
||||
(when mode
|
||||
(send mode on-edit-sequence this))
|
||||
(super-on-edit-sequence))]
|
||||
[on-set-size-constraint
|
||||
(lambda ()
|
||||
(if (or (not mode) (send mode on-set-size-constraint this))
|
||||
(super-on-set-size-constraint)))]
|
||||
[super-after-edit-sequence after-edit-sequence]
|
||||
[super-after-change-style after-change-style]
|
||||
[super-after-insert after-insert]
|
||||
[super-after-delete after-delete]
|
||||
[super-after-set-size-constraint after-set-size-constraint])
|
||||
(public
|
||||
[set-mode
|
||||
(lambda (m)
|
||||
(if mode
|
||||
(send mode deinstall this))
|
||||
(if (is-a? m mred:mode:mode%)
|
||||
(begin
|
||||
(set! mode m)
|
||||
(set-file-format (ivar m file-format))
|
||||
(send (send (get-style-list)
|
||||
find-named-style "Standard")
|
||||
set-delta (ivar m standard-style-delta))
|
||||
(send m install this))
|
||||
(begin
|
||||
(set! mode #f)
|
||||
(send (send (get-style-list)
|
||||
find-named-style "Standard")
|
||||
set-delta (make-object wx:style-delta%)))))]
|
||||
[on-focus
|
||||
(lambda (on?)
|
||||
(super-on-focus on?)
|
||||
(when mode
|
||||
(send mode on-focus this on?)))]
|
||||
[on-local-event
|
||||
(lambda (mouse)
|
||||
(if (or (not mode)
|
||||
(not (send mode on-event this mouse)))
|
||||
(super-on-local-event mouse)))]
|
||||
[on-insert
|
||||
(lambda (start len)
|
||||
(if (or (not mode) (send mode on-insert this start len))
|
||||
(super-on-insert start len)))]
|
||||
[on-delete
|
||||
(lambda (start len)
|
||||
(if (or (not mode) (send mode on-delete this start len))
|
||||
(super-on-delete start len)))]
|
||||
[on-change-style
|
||||
(lambda (start len)
|
||||
(if (or (not mode) (send mode on-change-style this start len))
|
||||
(super-on-change-style start len)))]
|
||||
[on-edit-sequence
|
||||
(lambda ()
|
||||
(when mode
|
||||
(send mode on-edit-sequence this))
|
||||
(super-on-edit-sequence))]
|
||||
[on-set-size-constraint
|
||||
(lambda ()
|
||||
(if (or (not mode) (send mode on-set-size-constraint this))
|
||||
(super-on-set-size-constraint)))]
|
||||
|
||||
[after-insert
|
||||
(lambda (start len)
|
||||
(if mode (send mode after-insert this start len))
|
||||
(super-after-insert start len))]
|
||||
[after-delete
|
||||
(lambda (start len)
|
||||
(if mode (send mode after-delete this start len))
|
||||
(super-after-delete start len))]
|
||||
[after-change-style
|
||||
(lambda (start len)
|
||||
(when mode (send mode after-change-style this start len))
|
||||
(super-after-change-style start len))]
|
||||
[after-edit-sequence
|
||||
(lambda ()
|
||||
(when mode
|
||||
(send mode after-edit-sequence this))
|
||||
(super-after-edit-sequence))]
|
||||
[after-set-size-constraint
|
||||
(lambda ()
|
||||
(when mode
|
||||
(send mode after-set-size-constraint this))
|
||||
(super-after-set-size-constraint))]
|
||||
[after-insert
|
||||
(lambda (start len)
|
||||
(if mode (send mode after-insert this start len))
|
||||
(super-after-insert start len))]
|
||||
[after-delete
|
||||
(lambda (start len)
|
||||
(if mode (send mode after-delete this start len))
|
||||
(super-after-delete start len))]
|
||||
[after-change-style
|
||||
(lambda (start len)
|
||||
(when mode (send mode after-change-style this start len))
|
||||
(super-after-change-style start len))]
|
||||
[after-edit-sequence
|
||||
(lambda ()
|
||||
(when mode
|
||||
(send mode after-edit-sequence this))
|
||||
(super-after-edit-sequence))]
|
||||
[after-set-size-constraint
|
||||
(lambda ()
|
||||
(when mode
|
||||
(send mode after-set-size-constraint this))
|
||||
(super-after-set-size-constraint))]
|
||||
|
||||
[after-set-position
|
||||
(lambda ()
|
||||
(when mode
|
||||
(send mode after-set-position this))
|
||||
(super-after-set-position))]
|
||||
[after-set-position
|
||||
(lambda ()
|
||||
(when mode
|
||||
(send mode after-set-position this))
|
||||
(super-after-set-position))]
|
||||
|
||||
[ranges null]
|
||||
[add-range
|
||||
(lambda (start end pen brush)
|
||||
(let ([l (make-range start end pen brush)])
|
||||
(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))))]
|
||||
[range-rectangles null]
|
||||
[recompute-range-rectangles
|
||||
(lambda ()
|
||||
(let ([new-rectangles
|
||||
(lambda (range)
|
||||
(let ([start (range-start range)]
|
||||
[end (range-end range)]
|
||||
[pen (range-pen range)]
|
||||
[brush (range-brush range)]
|
||||
[buffer-width (box 0)]
|
||||
[start-x (box 0)]
|
||||
[top-start-y (box 0)]
|
||||
[bottom-start-y (box 0)]
|
||||
[end-x (box 0)]
|
||||
[top-end-y (box 0)]
|
||||
[bottom-end-y (box 0)])
|
||||
(send this get-extent buffer-width null)
|
||||
(send this position-location start start-x top-start-y #t #f #t)
|
||||
(send this position-location end end-x top-end-y #t #t #t)
|
||||
(send this position-location start start-x bottom-start-y #f #f #t)
|
||||
(send this position-location end end-x bottom-end-y #f #t #t)
|
||||
(cond
|
||||
[(= (unbox top-start-y) (unbox top-end-y))
|
||||
(list (make-rectangle (unbox start-x)
|
||||
(unbox top-start-y)
|
||||
(- (unbox end-x) (unbox start-x))
|
||||
(- (unbox bottom-start-y) (unbox top-start-y))
|
||||
pen brush))]
|
||||
[else
|
||||
(list
|
||||
(make-rectangle (unbox start-x)
|
||||
(unbox top-start-y)
|
||||
(- (unbox buffer-width) (unbox start-x))
|
||||
(- (unbox bottom-start-y) (unbox top-start-y))
|
||||
pen brush)
|
||||
(make-rectangle 0
|
||||
(unbox bottom-start-y)
|
||||
(unbox buffer-width)
|
||||
(- (unbox top-end-y) (unbox bottom-start-y))
|
||||
pen brush)
|
||||
(make-rectangle 0
|
||||
(unbox top-end-y)
|
||||
(unbox end-x)
|
||||
(- (unbox bottom-end-y) (unbox top-end-y))
|
||||
pen brush))])))]
|
||||
[invalidate-rectangle
|
||||
(lambda (r)
|
||||
(invalidate-bitmap-cache (rectangle-left r)
|
||||
(rectangle-top r)
|
||||
(rectangle-width r)
|
||||
(rectangle-height r)))]
|
||||
[old-rectangles range-rectangles])
|
||||
[ranges null]
|
||||
|
||||
(set! range-rectangles
|
||||
(mzlib:function:foldl (lambda (x l) (append (new-rectangles x) l))
|
||||
null ranges))
|
||||
(begin-edit-sequence)
|
||||
(for-each invalidate-rectangle old-rectangles)
|
||||
(for-each invalidate-rectangle range-rectangles)
|
||||
(end-edit-sequence)))]
|
||||
[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)
|
||||
(unless before
|
||||
(for-each (lambda (rectangle)
|
||||
(let ([pen (rectangle-pen rectangle)]
|
||||
[brush (rectangle-brush rectangle)]
|
||||
[old-pen (send dc get-pen)]
|
||||
[old-brush (send dc get-brush)]
|
||||
[left (rectangle-left rectangle)]
|
||||
[top (rectangle-top rectangle)]
|
||||
[width (rectangle-width rectangle)]
|
||||
[height (rectangle-height rectangle)])
|
||||
(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-pen old-pen)
|
||||
(send dc set-brush old-brush)))
|
||||
range-rectangles)))])
|
||||
(sequence
|
||||
(apply super-init args)
|
||||
(send edits add this)
|
||||
(let ([keymap (get-keymap)])
|
||||
(mred:keymap:set-keymap-error-handler keymap)
|
||||
(mred:keymap:set-keymap-implied-shifts keymap)
|
||||
(send keymap chain-to-keymap mred:keymap:global-keymap #f))))))
|
||||
;; 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))))]
|
||||
[range-rectangles null]
|
||||
[recompute-range-rectangles
|
||||
(lambda ()
|
||||
(let ([new-rectangles
|
||||
(lambda (range)
|
||||
(let ([start (range-start range)]
|
||||
[end (range-end range)]
|
||||
[b/w-bitmap (range-b/w-bitmap range)]
|
||||
[color (range-color range)]
|
||||
[buffer-width (box 0)]
|
||||
[start-x (box 0)]
|
||||
[top-start-y (box 0)]
|
||||
[bottom-start-y (box 0)]
|
||||
[end-x (box 0)]
|
||||
[top-end-y (box 0)]
|
||||
[bottom-end-y (box 0)])
|
||||
(send this get-extent buffer-width null)
|
||||
(send this position-location start start-x top-start-y #t #f #t)
|
||||
(send this position-location end end-x top-end-y #t #t #t)
|
||||
(send this position-location start start-x bottom-start-y #f #f #t)
|
||||
(send this position-location end end-x bottom-end-y #f #t #t)
|
||||
(cond
|
||||
[(= (unbox top-start-y) (unbox top-end-y))
|
||||
(list (make-rectangle (unbox start-x)
|
||||
(unbox top-start-y)
|
||||
(- (unbox end-x) (unbox start-x))
|
||||
(- (unbox bottom-start-y) (unbox top-start-y))
|
||||
b/w-bitmap color))]
|
||||
[else
|
||||
(list
|
||||
(make-rectangle (unbox start-x)
|
||||
(unbox top-start-y)
|
||||
(- (unbox buffer-width) (unbox start-x))
|
||||
(- (unbox bottom-start-y) (unbox top-start-y))
|
||||
b/w-bitmap color)
|
||||
(make-rectangle 0
|
||||
(unbox bottom-start-y)
|
||||
(unbox buffer-width)
|
||||
(- (unbox top-end-y) (unbox bottom-start-y))
|
||||
b/w-bitmap color)
|
||||
(make-rectangle 0
|
||||
(unbox top-end-y)
|
||||
(unbox end-x)
|
||||
(- (unbox bottom-end-y) (unbox top-end-y))
|
||||
b/w-bitmap color))])))]
|
||||
[invalidate-rectangle
|
||||
(lambda (r)
|
||||
(invalidate-bitmap-cache (rectangle-left r)
|
||||
(rectangle-top r)
|
||||
(rectangle-width r)
|
||||
(rectangle-height r)))]
|
||||
[old-rectangles range-rectangles])
|
||||
|
||||
(set! range-rectangles
|
||||
(mzlib:function:foldl (lambda (x l) (append (new-rectangles x) l))
|
||||
null ranges))
|
||||
(begin-edit-sequence)
|
||||
(for-each invalidate-rectangle old-rectangles)
|
||||
(for-each invalidate-rectangle range-rectangles)
|
||||
(end-edit-sequence)))]
|
||||
[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)
|
||||
(unless before
|
||||
(for-each (lambda (rectangle)
|
||||
(let ([pen (make-object wx:pen% "black" 1 wx:const-stipple)]
|
||||
[brush (make-object wx:brush% "black" wx:const-stipple)]
|
||||
[old-pen (send dc get-pen)]
|
||||
[old-brush (send dc get-brush)]
|
||||
[b/w-bitmap (rectangle-b/w-bitmap 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)
|
||||
(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-pen old-pen)
|
||||
(send dc set-brush old-brush)))
|
||||
range-rectangles)))])
|
||||
(sequence
|
||||
(apply super-init args)
|
||||
(send edits add this)
|
||||
(let ([keymap (get-keymap)])
|
||||
(mred:keymap:set-keymap-error-handler keymap)
|
||||
(mred:keymap:set-keymap-implied-shifts keymap)
|
||||
(send keymap chain-to-keymap mred:keymap:global-keymap #f))))))
|
||||
|
||||
(define edit% (make-edit% wx:media-edit%))
|
||||
|
||||
|
|
|
@ -4,7 +4,7 @@
|
|||
[mred:handler mred:handler^] [mred:find-string mred:find-string^]
|
||||
[mred:scheme-paren mred:scheme-paren^])
|
||||
|
||||
(mred:debug:printf "mred:keymap@~n")
|
||||
(mred:debug:printf "mred:keymap@")
|
||||
|
||||
; This is a list of keys that are typed with the SHIFT key, but
|
||||
; are not normally thought of as shifted. It will have to be
|
||||
|
|
Loading…
Reference in New Issue
Block a user