version 1.70, 2008/02/12 16:44:58
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version 1.79, 2012/08/15 00:48:12
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\ command line edit and history support 16oct94py |
\ command line edit and history support 16oct94py |
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\ Copyright (C) 1995,2000,2003,2004,2005,2006,2007 Free Software Foundation, Inc. |
\ Copyright (C) 1995,2000,2003,2004,2005,2006,2007,2008,2010,2011 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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Line 118 Variable screenw
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Line 118 Variable screenw
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\ Create lfpad #lf c, |
\ Create lfpad #lf c, |
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: (enter) ( max span addr pos1 -- max span addr pos2 true ) |
: (enter) ( max span addr pos1 -- max span addr pos2 true ) |
>r end^ 2@ hist-setpos |
>r 2dup swap -trailing nip IF |
2dup swap history write-line drop ( throw ) \ don't worry about errors |
end^ 2@ hist-setpos |
hist-pos 2dup backward^ 2! end^ 2! |
2dup swap history write-line drop |
r> (ret) ; |
hist-pos 2dup backward^ 2! end^ 2! |
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THEN r> (ret) ; |
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: extract-word ( addr len -- addr' len' ) dup >r |
: extract-word ( addr len -- addr' len' ) dup >r |
BEGIN 1- dup 0>= WHILE 2dup + c@ bl = UNTIL THEN 1+ |
BEGIN 1- dup 0>= WHILE 2dup + c@ bl = UNTIL THEN 1+ |
Line 206 require utf-8.fs
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Line 207 require utf-8.fs
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[IFUNDEF] #esc 27 Constant #esc [THEN] |
[IFUNDEF] #esc 27 Constant #esc [THEN] |
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: at-deltaxy ( dx dy -- ) base @ >r decimal |
Defer at-deltaxy |
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: vt100-at-deltaxy ( dx dy -- ) |
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over 0< over 0= and IF drop abs backspaces EXIT THEN |
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base @ >r decimal |
?dup IF |
?dup IF |
#esc emit '[ emit dup abs 0 .r 0< IF 'A ELSE 'B THEN emit |
#esc emit '[ emit dup abs 0 .r 0< IF 'A ELSE 'B THEN emit |
THEN |
THEN |
?dup IF |
?dup IF |
#esc emit '[ emit dup abs 0 .r 0< IF 'D ELSE 'C THEN emit |
#esc emit '[ emit dup abs 0 .r 0< IF 'D ELSE 'C THEN emit |
THEN r> base ! ; |
THEN r> base ! ; |
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' vt100-at-deltaxy IS at-deltaxy |
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\ : cygwin? ( -- flag ) s" TERM" getenv s" cygwin" str= ; |
\ : cygwin? ( -- flag ) s" TERM" getenv s" cygwin" str= ; |
\ : at-xy? ( -- x y ) |
\ : at-xy? ( -- x y ) |
Line 230 require utf-8.fs
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Line 235 require utf-8.fs
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' xcur-correct IS cur-correct |
' xcur-correct IS cur-correct |
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: xback-restore ( u -- ) |
: xback-restore ( u -- ) |
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dup screenw @ mod 0= IF 1- 0 max THEN |
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\ correction for line=screenw, no wraparound then! |
screenw @ /mod negate swap negate swap at-deltaxy ; |
screenw @ /mod negate swap negate swap at-deltaxy ; |
: .rest ( addr pos1 -- addr pos1 ) |
: .rest ( addr pos1 -- addr pos1 ) |
linew @ xback-restore 2dup type 2dup cur-correct ; |
linew @ xback-restore 2dup type 2dup cur-correct ; |
Line 276 require utf-8.fs
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Line 283 require utf-8.fs
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: xend-pos ( max span addr pos1 -- max span addr span 0 ) |
: xend-pos ( max span addr pos1 -- max span addr span 0 ) |
drop over .all 0 ; |
drop over .all 0 ; |
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: xclear-rest ( max span addr pos -- max pos addr pos false ) |
: xclear-line ( max span addr pos1 -- max addr ) |
rot >r tuck 2dup r> swap /string u8width dup spaces linew +! .all 0 ; |
2dup x-width dup xback-restore dup spaces xback-restore drop nip ; |
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: xclear-tib ( max span addr pos -- max 0 addr 0 false ) |
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xclear-line 0 tuck dup ; |
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: (xenter) ( max span addr pos1 -- max span addr pos2 true ) |
: (xenter) ( max span addr pos1 -- max span addr pos2 true ) |
>r end^ 2@ hist-setpos |
>r 2dup swap -trailing nip IF |
2dup swap history write-line drop ( throw ) \ don't worry about errors |
end^ 2@ hist-setpos |
hist-pos 2dup backward^ 2! end^ 2! |
2dup swap history write-line drop ( throw ) \ don't worry about errors |
r> .all space true ; |
hist-pos 2dup backward^ 2! end^ 2! |
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THEN r> .all space true ; |
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: xkill-expand ( max span addr pos1 -- max span addr pos2 ) |
: xkill-expand ( max span addr pos1 -- max span addr pos2 ) |
prefix-found cell+ @ ?dup IF >r |
prefix-found cell+ @ ?dup IF >r |
r@ - >string over r@ + -rot move |
r@ - >string over r@ + -rot move |
rot r@ - -rot .all r@ spaces r> back-restore .rest THEN ; |
rot r@ - -rot .all r@ spaces r> back-restore .rest THEN ; |
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[IFUNDEF] insert |
: insert ( string length buffer size -- ) |
: insert ( string length buffer size -- ) |
rot over min >r r@ - ( left over ) |
rot over min >r r@ - ( left over ) |
over dup r@ + rot move r> move ; |
over dup r@ + rot move r> move ; |
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[THEN] |
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: xtab-expand ( max span addr pos1 -- max span addr pos2 0 ) |
: xtab-expand ( max span addr pos1 -- max span addr pos2 0 ) |
key? IF #tab (xins) 0 EXIT THEN |
key? IF #tab (xins) 0 EXIT THEN |
Line 314 require utf-8.fs
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Line 321 require utf-8.fs
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['] ?xdel ctrl H bindkey |
['] ?xdel ctrl H bindkey |
['] xeof ctrl D bindkey |
['] xeof ctrl D bindkey |
['] <xdel> ctrl X bindkey |
['] <xdel> ctrl X bindkey |
['] xclear-tib ctrl K bindkey |
['] xclear-rest ctrl K bindkey |
['] xfirst-pos ctrl A bindkey |
['] xfirst-pos ctrl A bindkey |
['] xend-pos ctrl E bindkey |
['] xend-pos ctrl E bindkey |
['] xretype ctrl L bindkey |
['] xretype ctrl L bindkey |