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loosen slightly the requirements for changing existing chars

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in the c:x;r;a keystroke
This commit is contained in:
Robby Findler 2013-01-17 15:38:15 -06:00
parent f40ad2ca9d
commit fce4cbad3a
2 changed files with 11 additions and 6 deletions
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7
collects/framework/private/dir-chars.rkt
View File

@ -1,6 +1,7 @@
#lang racket/base
(require racket/list)
(provide adjustable-chars
double-barred-chars
up-chars
dn-chars
lt-chars
@ -36,4 +37,8 @@
(define adjustable-chars
(remove-duplicates
(append up-chars dn-chars lt-chars rt-chars)))
(append up-chars dn-chars lt-chars rt-chars)))
(define double-barred-chars
(remove* '(#\+ #\- #\|)
adjustable-chars))

10
collects/framework/private/keymap.rkt
View File

@ -1506,10 +1506,10 @@
(define dn (xy->pos t x (+ y 1)))
(define lt (xy->pos t (- x 1) y))
(define rt (xy->pos t (+ x 1) y))
(define i-up? (and (i? t up) (member c up-chars)))
(define i-dn? (and (i? t dn) (member c dn-chars)))
(define i-lt? (and (i? t lt) (member c lt-chars)))
(define i-rt? (and (i? t rt) (member c rt-chars)))
(define i-up? (and (i? t up) (or (member c up-chars) (member c double-barred-chars))))
(define i-dn? (and (i? t dn) (or (member c dn-chars) (member c double-barred-chars))))
(define i-lt? (and (i? t lt) (or (member c lt-chars) (member c double-barred-chars))))
(define i-rt? (and (i? t rt) (or (member c rt-chars) (member c double-barred-chars))))
(cond
[(and i-up? i-dn? i-lt? i-rt?) (set t pos "╬")]
[(and i-dn? i-lt? i-rt?) (set t pos "╦")]
@ -1526,7 +1526,7 @@
(when i-dn? (loop dn))
(when i-lt? (loop lt))
(when i-rt? (loop rt))))
(send t end-edit-sequence)))
(send t end-edit-sequence)))
(define (scan-for-start-pos t pos)
(define-values (x y) (pos->xy t pos))