suzanne.soy/gui
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

.

Browse Source 
original commit: f1a17951d9016165f20fed44688106098f7500d7
This commit is contained in:
Robby Findler 2004-03-24 14:55:01 +00:00
parent 9702ceadcb
commit e35f7ebd70
1 changed files with 38 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

62
collects/framework/private/text.ss
View File

@ -1,3 +1,9 @@
#|
WARNING: printf is rebound in the body of the unit to always
print to the original output port.
|#
(module text mzscheme
(require (lib "string-constant.ss" "string-constants")
@ -25,6 +31,9 @@
(rename [-keymap% keymap%])
(define original-output-port (current-output-port))
(define (printf . args) (apply fprintf original-output-port args))
(define-struct range (start end b/w-bitmap color caret-space?))
(define-struct rectangle (left top right bottom b/w-bitmap color))
@ -851,7 +860,9 @@
get-start-position
get-end-position
get-snip-position
last-position)
last-position
lock
is-locked?)
;; private field
(define eventspace (current-eventspace))
@ -988,29 +999,32 @@
;; do-insertion : (listof (cons (union string snip) style-delta)) -> void
;; thread: eventspace main thread
(define/private (do-insertion txts)
(begin-edit-sequence)
(let loop ([txts txts])
(cond
[(null? txts) (void)]
[else
(let* ([fst (car txts)]
[str/snp (car fst)]
[sd (cdr fst)])
(insert (if (is-a? str/snp snip%)
(send str/snp copy)
str/snp)
insertion-point
insertion-point
#f)
(let ([inserted-count
(if (is-a? str/snp snip%)
1
(string-length str/snp))])
(change-style sd insertion-point (+ insertion-point inserted-count))
(set! insertion-point (+ insertion-point inserted-count))
(set! unread-start-point (+ unread-start-point inserted-count))))
(loop (cdr txts))]))
(end-edit-sequence))
(let ([locked? (is-locked?)])
(begin-edit-sequence)
(lock #f)
(let loop ([txts txts])
(cond
[(null? txts) (void)]
[else
(let* ([fst (car txts)]
[str/snp (car fst)]
[sd (cdr fst)])
(insert (if (is-a? str/snp snip%)
(send str/snp copy)
str/snp)
insertion-point
insertion-point
#f)
(let ([inserted-count
(if (is-a? str/snp snip%)
1
(string-length str/snp))])
(change-style sd insertion-point (+ insertion-point inserted-count))
(set! insertion-point (+ insertion-point inserted-count))
(set! unread-start-point (+ unread-start-point inserted-count))))
(loop (cdr txts))]))
(lock locked?)
(end-edit-sequence)))
(define input-buffer-thread
(thread