version 1.66, 2007/10/22 20:30:39
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version 1.77, 2011/12/31 15:29:25
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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 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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\ Gforth is free software; you can redistribute it and/or |
\ Gforth is free software; you can redistribute it and/or |
\ modify it under the terms of the GNU General Public License |
\ modify it under the terms of the GNU General Public License |
\ as published by the Free Software Foundation; either version 2 |
\ as published by the Free Software Foundation, either version 3 |
\ of the License, or (at your option) any later version. |
\ of the License, or (at your option) any later version. |
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\ This program is distributed in the hope that it will be useful, |
\ This program is distributed in the hope that it will be useful, |
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\ GNU General Public License for more details. |
\ GNU General Public License for more details. |
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\ You should have received a copy of the GNU General Public License |
\ You should have received a copy of the GNU General Public License |
\ along with this program; if not, write to the Free Software |
\ along with this program. If not, see http://www.gnu.org/licenses/. |
\ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
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: ctrl-i ( "<char>" -- c ) |
: ctrl-i ( "<char>" -- c ) |
char toupper $40 xor ; |
char toupper $40 xor ; |
Line 78 defer cur-correct ( addr u -- )
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Line 77 defer cur-correct ( addr u -- )
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Variable linew |
Variable linew |
Variable screenw |
Variable screenw |
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: linew-off linew off cols screenw ! ; |
: linew-off linew off form nip screenw ! ; |
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[IFDEF] x-width |
[IFDEF] x-width |
: clear-line ( max span addr pos1 -- max addr ) |
: clear-line ( max span addr pos1 -- max addr ) |
Line 208 require utf-8.fs
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Line 206 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 |
: 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 |
Line 232 require utf-8.fs
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Line 232 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 239 require utf-8.fs
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Line 241 require utf-8.fs
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linew @ xback-restore >r 2dup swap type 2dup swap cur-correct r> ; |
linew @ xback-restore >r 2dup swap type 2dup swap cur-correct r> ; |
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: xretype ( max span addr pos1 -- max span addr pos1 f ) |
: xretype ( max span addr pos1 -- max span addr pos1 f ) |
.all form nip screenw @ >r screenw ! |
.all cols screenw @ >r screenw ! |
linew @ screenw @ / linew @ r@ / max |
linew @ screenw @ / linew @ r@ / max |
screenw @ r> - * 0 max |
screenw @ r> - * 0 max |
dup spaces linew +! .rest false ; |
dup spaces linew +! .rest false ; |
Line 278 require utf-8.fs
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Line 280 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 end^ 2@ hist-setpos |
Line 295 require utf-8.fs
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Line 294 require utf-8.fs
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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 316 require utf-8.fs
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Line 317 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 |
Line 325 require utf-8.fs
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Line 326 require utf-8.fs
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['] xtab-expand #tab bindkey |
['] xtab-expand #tab bindkey |
['] (xins) IS insert-char |
['] (xins) IS insert-char |
['] kill-prefix IS everychar |
['] kill-prefix IS everychar |
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[ifdef] everyline |
['] linew-off IS everyline |
['] linew-off IS everyline |
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[endif] |
['] xback-restore IS back-restore |
['] xback-restore IS back-restore |
['] xcur-correct IS cur-correct |
['] xcur-correct IS cur-correct |
; |
; |