version 1.21, 2008/11/08 19:43:50
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version 1.23, 2008/11/23 21:09:55
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Line 175 table constant esc-sequences \ and prefi
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Line 175 table constant esc-sequences \ and prefi
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create ekey-buffer 8 chars allot |
create ekey-buffer 8 chars allot |
2variable ekey-buffered |
2variable ekey-buffered |
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[IFUNDEF] #esc 27 Constant #esc [THEN] |
[IFUNDEF] #esc 27 Constant #esc [THEN] |
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: esc-prefix ( -- u ) |
: esc-prefix ( -- u ) |
Line 338 set-current
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Line 337 set-current
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: clear-ekey-buffer ( -- ) |
: clear-ekey-buffer ( -- ) |
ekey-buffer 0 ekey-buffered 2! ; |
ekey-buffer 0 ekey-buffered 2! ; |
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[IFDEF] max-single-byte |
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: read-xkey ( key -- flag ) |
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clear-ekey-buffer |
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ekey-buffered char-append-buffer |
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ekey-buffer 1 u8addrlen 1 +do |
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key? 0= ?leave |
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key ekey-buffered char-append-buffer |
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loop |
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ekey-buffer 1 u8addrlen ekey-buffered @ = ; |
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: get-xkey ( u -- xc ) |
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dup max-single-byte u>= if |
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read-xkey if |
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ekey-buffer xc@+ nip else |
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ekey-buffered 2@ unkeys key then |
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then ; |
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: xkey? ( -- flag ) |
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key? dup if |
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drop key read-xkey ekey-buffered 2@ unkeys |
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clear-ekey-buffer then ; |
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[THEN] |
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: ekey ( -- u ) \ facility-ext e-key |
: ekey ( -- u ) \ facility-ext e-key |
\G Receive a keyboard event @var{u} (encoding implementation-defined). |
\G Receive a keyboard event @var{u} (encoding implementation-defined). |
key dup #esc = |
key dup #esc = |
if |
if |
drop clear-ekey-buffer |
drop clear-ekey-buffer |
esc-prefix |
esc-prefix exit |
then ; |
then |
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[IFDEF] max-single-byte |
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get-xkey |
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[THEN] |
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; |
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[IFDEF] max-single-byte |
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: ekey>char ( u -- u false | c true ) \ facility-ext e-key-to-char |
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\G Convert keyboard event @var{u} into character @code{c} if possible. |
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dup max-single-byte u< ; \ k-left must be first! |
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: ekey>xchar ( u -- u false | xc true ) \ xchar-ext e-key-to-xchar |
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\G Convert keyboard event @var{u} into xchar @code{xc} if possible. |
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dup k-left u< ; \ k-left must be first! |
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: ekey>fkey ( u1 -- u2 f ) \ X:ekeys |
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\G If u1 is a keyboard event in the special key set, convert |
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\G keyboard event @var{u1} into key id @var{u2} and return true; |
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\G otherwise return @var{u1} and false. |
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ekey>xchar 0= ; |
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[ELSE] |
: ekey>char ( u -- u false | c true ) \ facility-ext e-key-to-char |
: ekey>char ( u -- u false | c true ) \ facility-ext e-key-to-char |
\G Convert keyboard event @var{u} into character @code{c} if possible. |
\G Convert keyboard event @var{u} into character @code{c} if possible. |
dup k-left u< ; \ k-left must be first! |
dup k-left u< ; \ k-left must be first! |
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: ekey>fkey ( u1 -- u2 f ) \ X:ekeys |
: ekey>fkey ( u1 -- u2 f ) \ X:ekeys |
\G If u1 is a keyboard event in the special key set, convert |
\G If u1 is a keyboard event in the special key set, convert |
\G keyboard event @var{u1} into key id @var{u2} and return true; |
\G keyboard event @var{u1} into key id @var{u2} and return true; |
\G otherwise return @var{u1} and false. |
\G otherwise return @var{u1} and false. |
ekey>char 0= ; |
ekey>char 0= ; |
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[THEN] |
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' key? alias ekey? ( -- flag ) \ facility-ext e-key-question |
' key? alias ekey? ( -- flag ) \ facility-ext e-key-question |
\G True if a keyboard event is available. |
\G True if a keyboard event is available. |