version 1.45, 2006/02/19 15:13:38
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version 1.68, 2007/12/31 17:34:58
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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 Free Software Foundation, Inc. |
\ Copyright (C) 1995,2000,2003,2004,2005,2006,2007 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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\ along with this program; if not, write to the Free Software |
\ along with this program; if not, write to the Free Software |
\ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
\ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
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: ctrl-i ( "<char>" -- c ) |
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char toupper $40 xor ; |
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' ctrl-i |
:noname |
:noname |
char [char] @ - ; |
ctrl-i postpone Literal ; |
:noname |
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char [char] @ - postpone Literal ; |
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interpret/compile: ctrl ( "<char>" -- ctrl-code ) |
interpret/compile: ctrl ( "<char>" -- ctrl-code ) |
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\ command line editing 16oct94py |
\ command line editing 16oct94py |
Line 70 s" os-class" environment? [IF] s" unix"
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Line 72 s" os-class" environment? [IF] s" unix"
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\ moving in history file 16oct94py |
\ moving in history file 16oct94py |
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defer back-restore ( u -- ) |
defer back-restore ( u -- ) |
' backspaces is back-restore |
defer cur-correct ( addr u -- ) |
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' backspaces IS back-restore |
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' 2drop IS cur-correct |
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Variable linew |
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Variable screenw |
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: linew-off linew off cols screenw ! ; |
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[IFDEF] x-width |
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: clear-line ( max span addr pos1 -- max addr ) |
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drop linew @ back-restore over over swap x-width |
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dup spaces back-restore nip linew off ; |
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[ELSE] |
: clear-line ( max span addr pos1 -- max addr ) |
: clear-line ( max span addr pos1 -- max addr ) |
back-restore over spaces swap back-restore ; |
back-restore over spaces swap back-restore ; |
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[THEN] |
\ : clear-tib ( max span addr pos -- max 0 addr 0 false ) |
\ : clear-tib ( max span addr pos -- max 0 addr 0 false ) |
\ clear-line 0 tuck dup ; |
\ clear-line 0 tuck dup ; |
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Line 89 defer back-restore ( u -- )
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Line 102 defer back-restore ( u -- )
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forward^ 2@ 2dup hist-setpos backward^ 2! |
forward^ 2@ 2dup hist-setpos backward^ 2! |
2dup get-line drop |
2dup get-line drop |
hist-pos forward^ 2! |
hist-pos forward^ 2! |
tuck 2dup type 0 ; |
tuck 2dup type 2dup cur-correct 0 ; |
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: find-prev-line ( max addr -- max span addr pos2 ) |
: find-prev-line ( max addr -- max span addr pos2 ) |
backward^ 2@ forward^ 2! |
backward^ 2@ forward^ 2! |
Line 101 defer back-restore ( u -- )
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Line 114 defer back-restore ( u -- )
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REPEAT 2drop THEN tuck ; |
REPEAT 2drop THEN tuck ; |
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: prev-line ( max span addr pos1 -- max span addr pos2 false ) |
: prev-line ( max span addr pos1 -- max span addr pos2 false ) |
clear-line find-prev-line 2dup type 0 ; |
clear-line find-prev-line 2dup type 2dup cur-correct 0 ; |
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\ Create lfpad #lf c, |
\ Create lfpad #lf c, |
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Line 194 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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: save-cursor ( -- ) #esc emit '7 emit ; |
: at-deltaxy ( dx dy -- ) base @ >r decimal |
: restore-cursor ( -- ) #esc emit '8 emit ; |
?dup IF |
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#esc emit '[ emit dup abs 0 .r 0< IF 'A ELSE 'B THEN emit |
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THEN |
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?dup IF |
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#esc emit '[ emit dup abs 0 .r 0< IF 'D ELSE 'C THEN emit |
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THEN r> base ! ; |
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\ : cygwin? ( -- flag ) s" TERM" getenv s" cygwin" str= ; |
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\ : at-xy? ( -- x y ) |
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\ key? drop \ make sure prep_terminal() is executed |
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\ #esc emit ." [6n" 0 0 |
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\ BEGIN key dup 'R <> WHILE |
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\ dup '; = IF drop swap ELSE |
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\ dup '0 '9 1+ within IF '0 - swap 10 * + ELSE |
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\ drop THEN THEN |
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\ REPEAT drop 1- swap 1- ; |
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\ : cursor@ ( -- n ) at-xy? screenw @ * + ; |
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\ : cursor! ( n -- ) screenw @ /mod at-xy ; |
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: xcur-correct ( addr u -- ) x-width linew ! ; |
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' xcur-correct IS cur-correct |
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: xback-restore ( u -- ) |
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screenw @ /mod negate swap negate swap at-deltaxy ; |
: .rest ( addr pos1 -- addr pos1 ) |
: .rest ( addr pos1 -- addr pos1 ) |
restore-cursor 2dup type ; |
linew @ xback-restore 2dup type 2dup cur-correct ; |
: .all ( span addr pos1 -- span addr pos1 ) |
: .all ( span addr pos1 -- span addr pos1 ) |
restore-cursor >r 2dup swap type r> ; |
linew @ xback-restore >r 2dup swap type 2dup swap cur-correct r> ; |
: xback-restore ( u -- ) |
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drop restore-cursor ; |
: xretype ( max span addr pos1 -- max span addr pos1 f ) |
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.all cols screenw @ >r screenw ! |
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linew @ screenw @ / linew @ r@ / max |
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screenw @ r> - * 0 max |
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dup spaces linew +! .rest false ; |
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\ In the following, addr max is the buffer, addr span is the current |
\ In the following, addr max is the buffer, addr span is the current |
\ string in the buffer, and pos1 is the cursor position in the buffer. |
\ string in the buffer, and pos1 is the cursor position in the buffer. |
Line 213 require utf-8.fs
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Line 253 require utf-8.fs
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2dup chars + r@ swap r@ xc-size xc!+? 2drop drop |
2dup chars + r@ swap r@ xc-size xc!+? 2drop drop |
r> xc-size >r rot r@ chars + -rot r> chars + ; |
r> xc-size >r rot r@ chars + -rot r> chars + ; |
: (xins) ( max span addr pos1 xc -- max span addr pos2 ) |
: (xins) ( max span addr pos1 xc -- max span addr pos2 ) |
<xins> .all .rest ; |
<xins> key? 0= IF .all .rest THEN ; |
: xback ( max span addr pos1 -- max span addr pos2 f ) |
: xback ( max span addr pos1 -- max span addr pos2 f ) |
dup IF over + xchar- over - 0 max .all .rest |
dup IF over + xchar- over - 0 max .all .rest |
ELSE bell THEN 0 ; |
ELSE bell THEN 0 ; |
: xforw ( max span addr pos1 -- max span addr pos2 f ) |
: xforw ( max span addr pos1 -- max span addr pos2 f ) |
2 pick over <> IF over + xc@+ xemit over - ELSE bell THEN 0 ; |
2 pick over <> IF over + xc@+ xemit over - ELSE bell THEN |
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2dup cur-correct 0 ; |
: (xdel) ( max span addr pos1 -- max span addr pos2 ) |
: (xdel) ( max span addr pos1 -- max span addr pos2 ) |
over + dup xchar- tuck - >r over - |
over + dup xchar- tuck - >r over - |
>string over r@ + -rot move |
>string over r@ + -rot move |
rot r> - -rot ; |
rot r> - -rot ; |
: ?xdel ( max span addr pos1 -- max span addr pos2 0 ) |
: ?xdel ( max span addr pos1 -- max span addr pos2 0 ) |
dup IF (xdel) .all 2 spaces .rest THEN 0 ; |
dup IF (xdel) .all 2 spaces 2 linew +! .rest THEN 0 ; |
: <xdel> ( max span addr pos1 -- max span addr pos2 0 ) |
: <xdel> ( max span addr pos1 -- max span addr pos2 0 ) |
2 pick over <> |
2 pick over <> |
IF xforw drop (xdel) .all 2 spaces .rest |
IF xforw drop (xdel) .all 2 spaces 2 linew +! .rest |
ELSE bell THEN 0 ; |
ELSE bell THEN 0 ; |
: xeof 2 pick over or 0= IF bye ELSE <xdel> THEN ; |
: xeof 2 pick over or 0= IF bye ELSE <xdel> THEN ; |
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Line 238 require utf-8.fs
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Line 279 require utf-8.fs
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: xclear-line ( max span addr pos1 -- max addr ) |
: xclear-line ( max span addr pos1 -- max addr ) |
drop restore-cursor swap spaces restore-cursor ; |
2dup x-width dup xback-restore dup spaces xback-restore drop nip ; |
: xclear-tib ( max span addr pos -- max 0 addr 0 false ) |
: xclear-tib ( max span addr pos -- max 0 addr 0 false ) |
xclear-line 0 tuck dup ; |
xclear-line 0 tuck dup ; |
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Line 251 require utf-8.fs
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Line 292 require utf-8.fs
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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 .rest THEN ; |
rot r@ - -rot .all r@ spaces r> back-restore .rest THEN ; |
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: insert ( string length buffer size -- ) |
: insert ( string length buffer size -- ) |
rot over min >r r@ - ( left over ) |
rot over min >r r@ - ( left over ) |
Line 277 require utf-8.fs
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Line 318 require utf-8.fs
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['] xclear-tib ctrl K bindkey |
['] xclear-tib ctrl K bindkey |
['] xfirst-pos ctrl A bindkey |
['] xfirst-pos ctrl A bindkey |
['] xend-pos ctrl E bindkey |
['] xend-pos ctrl E bindkey |
['] (xenter) #lf bindkey |
['] xretype ctrl L bindkey |
['] (xenter) #cr bindkey |
history IF ['] (xenter) #lf bindkey THEN |
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history IF ['] (xenter) #cr bindkey THEN |
['] xtab-expand #tab bindkey |
['] xtab-expand #tab bindkey |
['] (xins) IS insert-char |
['] (xins) IS insert-char |
['] kill-prefix IS everychar |
['] kill-prefix IS everychar |
['] save-cursor IS everyline |
['] linew-off IS everyline |
['] xback-restore IS back-restore |
['] xback-restore IS back-restore |
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['] xcur-correct IS cur-correct |
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; |
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xchar-history |
xchar-history |
Line 295 xchar-history
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Line 338 xchar-history
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?dup-if |
?dup-if |
\ !! >stderr |
\ !! >stderr |
\ history-file type ." : " .error cr |
\ history-file type ." : " .error cr |
drop 2drop |
drop 2drop 0 to history |
['] false ['] false ['] (ret) |
['] false ['] false ['] (ret) |
else |
else |
to history |
to history |
Line 312 xchar-history
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Line 355 xchar-history
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: history-cold ( -- ) |
: history-cold ( -- ) |
history-file get-history xchar-history ; |
history-file get-history xchar-history ; |
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' history-cold INIT8 chained |
:noname ( -- ) |
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defers 'cold |
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history-cold |
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; is 'cold |
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history-cold |
history-cold |
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