/usr/share/uim/wnn.scm is in libuim-data 1:1.8.6+gh20161003.0.d63dadd-2.
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;;;
;;; Copyright (c) 2003-2013 uim Project https://github.com/uim/uim
;;;
;;; All rights reserved.
;;;
;;; Redistribution and use in source and binary forms, with or without
;;; modification, are permitted provided that the following conditions
;;; are met:
;;; 1. Redistributions of source code must retain the above copyright
;;; notice, this list of conditions and the following disclaimer.
;;; 2. Redistributions in binary form must reproduce the above copyright
;;; notice, this list of conditions and the following disclaimer in the
;;; documentation and/or other materials provided with the distribution.
;;; 3. Neither the name of authors nor the names of its contributors
;;; may be used to endorse or promote products derived from this software
;;; without specific prior written permission.
;;;
;;; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND
;;; ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
;;; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
;;; ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE
;;; FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
;;; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
;;; OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
;;; HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
;;; LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
;;; OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
;;; SUCH DAMAGE.
;;;;
(require "ustr.scm")
(require "japanese.scm")
(require "generic-predict.scm")
(require-custom "generic-key-custom.scm")
(require-custom "wnn-custom.scm")
(require-custom "wnn-key-custom.scm")
;;; implementations
;;
;; canna emulating functions
;;
(define (wnn-move wc-ctx nth)
(wnn-lib-top wc-ctx)
(if (< 0 nth)
(for-each (lambda (x) (wnn-lib-move wc-ctx #t 'forward)) (iota nth))))
(define (wnn-lib-init server)
(if wnn-use-remote-server?
(wnn-lib-open server "uim" wnn-rcfile 0)
(wnn-lib-open "" "uim" wnn-rcfile 0)))
(define (wnn-lib-alloc-context wc)
(wnn-lib-create-buffer (wnn-context-wnn-buf wc) 0 0))
(define (wnn-lib-get-nth-candidate wc seg nth)
(let ((wc-ctx (wnn-context-wc-ctx wc)))
(wnn-move wc-ctx seg)
(wnn-lib-candidate-info wc-ctx #t)
(wnn-lib-get-candidate wc-ctx nth)))
(define (wnn-lib-release-context wc)
(let ((wc-ctx (wnn-context-wc-ctx wc)))
(wnn-lib-destroy-buffer wc-ctx #t)
(wnn-lib-close (wnn-context-wnn-buf wc))
(wnn-context-set-wc-ctx! wc #f)))
(define (wnn-lib-get-unconv-candidate wc seg-idx)
(let ((wc-ctx (wnn-context-wc-ctx wc)))
(wnn-move wc-ctx seg-idx)
(cdr (assoc 'kanap (cdr (assoc 'clause-info (wnn-lib-get-jconvbuf wc-ctx)))))))
(define (wnn-lib-get-nr-segments wc)
(let ((wc-ctx (wnn-context-wc-ctx wc)))
(cdr (assoc 'cur-n-clause (wnn-lib-get-jconvbuf wc-ctx)))))
(define (wnn-lib-get-nr-candidates wc seg)
(let ((wc-ctx (wnn-context-wc-ctx wc)))
(wnn-move wc-ctx seg)
(cdr (assoc 'ncand (wnn-lib-candidate-info wc-ctx #t)))))
(define (wnn-lib-resize-segment wc seg cnt)
(let ((wc-ctx (wnn-context-wc-ctx wc)))
(wnn-move wc-ctx seg)
(cond ((< cnt 0)
(for-each (lambda (x) (wnn-lib-shrink wc-ctx #t #t))
(iota (* -1 cnt))))
((< 0 cnt)
(for-each (lambda (x) (wnn-lib-expand wc-ctx #t #t))
(iota cnt))))))
(define (wnn-lib-begin-conversion wc str)
(let ((wc-ctx (wnn-context-wc-ctx wc)))
(for-each (lambda (c) (wnn-lib-insert-char wc-ctx c))
(reverse (string-to-list str)))
(wnn-lib-convert wc-ctx #f #f #t)
(wnn-lib-get-nr-segments wc)))
(define (wnn-lib-commit-segment wc seg delta)
(let* ((wc-ctx (wnn-context-wc-ctx wc)))
(predict-meta-commit
(wnn-context-prediction-ctx wc)
(cdr (assoc 'kanap (cdr (assoc 'clause-info (wnn-lib-get-jconvbuf wc-ctx)))))
(wnn-lib-get-candidate wc-ctx delta)
"")
(wnn-lib-fix wc-ctx)
(wnn-lib-save-dic wc-ctx)
(wnn-lib-clear wc-ctx)
#t))
(define (wnn-lib-reset-conversion wc)
(let ((wc-ctx (wnn-context-wc-ctx wc)))
(wnn-lib-clear wc-ctx)))
(define wnn-type-direct ja-type-direct)
(define wnn-type-hiragana ja-type-hiragana)
(define wnn-type-katakana ja-type-katakana)
(define wnn-type-halfkana ja-type-halfkana)
(define wnn-type-halfwidth-alnum ja-type-halfwidth-alnum)
(define wnn-type-fullwidth-alnum ja-type-fullwidth-alnum)
(define wnn-input-rule-roma 0)
(define wnn-input-rule-kana 1)
(define wnn-input-rule-azik 2)
(define wnn-input-rule-act 3)
(define wnn-input-rule-kzik 4)
(define wnn-candidate-type-katakana -2)
(define wnn-candidate-type-hiragana -3)
(define wnn-candidate-type-halfkana -4)
(define wnn-candidate-type-halfwidth-alnum -5)
(define wnn-candidate-type-fullwidth-alnum -6)
(define wnn-candidate-type-upper-halfwidth-alnum -7)
(define wnn-candidate-type-upper-fullwidth-alnum -8)
;; I don't think the key needs to be customizable.
(define-key wnn-space-key? '(" "))
(define wnn-prepare-input-rule-activation
(lambda (wc)
(cond
((wnn-context-state wc)
(wnn-do-commit wc))
((wnn-context-transposing wc)
(im-commit wc (wnn-transposing-text wc)))
((and
(wnn-context-on wc)
(wnn-has-preedit? wc))
(im-commit
wc (wnn-make-whole-string wc #t (wnn-context-kana-mode wc)))))
(wnn-flush wc)
(wnn-update-preedit wc)))
(define wnn-prepare-input-mode-activation
(lambda (wc new-mode)
(let ((old-kana (wnn-context-kana-mode wc)))
(cond
((wnn-context-state wc)
(wnn-do-commit wc))
((wnn-context-transposing wc)
(im-commit wc (wnn-transposing-text wc))
(wnn-flush wc))
((and
(wnn-context-on wc)
(wnn-has-preedit? wc)
(not (= old-kana new-mode)))
(im-commit
wc (wnn-make-whole-string wc #t (wnn-context-kana-mode wc)))
(wnn-flush wc)))
(wnn-update-preedit wc))))
(register-action 'action_wnn_hiragana
(lambda (wc) ;; indication handler
'(ja_hiragana
"��"
"�Ҥ餬��"
"�Ҥ餬�����ϥ⡼��"))
(lambda (wc) ;; activity predicate
(and (wnn-context-on wc)
(not (wnn-context-alnum wc))
(= (wnn-context-kana-mode wc)
wnn-type-hiragana)))
(lambda (wc) ;; action handler
(wnn-prepare-input-mode-activation wc wnn-type-hiragana)
(wnn-context-set-on! wc #t)
(wnn-context-set-alnum! wc #f)
(wnn-context-change-kana-mode! wc wnn-type-hiragana)))
(register-action 'action_wnn_katakana
(lambda (wc)
'(ja_katakana
"��"
"��������"
"�����������ϥ⡼��"))
(lambda (wc)
(and (wnn-context-on wc)
(not (wnn-context-alnum wc))
(= (wnn-context-kana-mode wc)
wnn-type-katakana)))
(lambda (wc)
(wnn-prepare-input-mode-activation wc wnn-type-katakana)
(wnn-context-set-on! wc #t)
(wnn-context-set-alnum! wc #f)
(wnn-context-change-kana-mode! wc wnn-type-katakana)))
(register-action 'action_wnn_halfkana
(lambda (wc)
'(ja_halfkana
"��"
"Ⱦ�ѥ�������"
"Ⱦ�ѥ����������ϥ⡼��"))
(lambda (wc)
(and (wnn-context-on wc)
(not (wnn-context-alnum wc))
(= (wnn-context-kana-mode wc) wnn-type-halfkana)))
(lambda (wc)
(wnn-prepare-input-mode-activation wc wnn-type-halfkana)
(wnn-context-set-on! wc #t)
(wnn-context-set-alnum! wc #f)
(wnn-context-change-kana-mode! wc wnn-type-halfkana)))
(register-action 'action_wnn_halfwidth_alnum
(lambda (wc) ;; indication handler
'(ja_halfwidth_alnum
"a"
"Ⱦ�ѱѿ�"
"Ⱦ�ѱѿ����ϥ⡼��"))
(lambda (wc) ;; activity predicate
(and (wnn-context-on wc)
(wnn-context-alnum wc)
(= (wnn-context-alnum-type wc)
wnn-type-halfwidth-alnum)))
(lambda (wc) ;; action handler
(wnn-prepare-input-mode-activation
wc (wnn-context-kana-mode wc))
(wnn-context-set-on! wc #t)
(wnn-context-set-alnum! wc #t)
(wnn-context-set-alnum-type!
wc wnn-type-halfwidth-alnum)))
(register-action 'action_wnn_direct
(lambda (wc)
'(ja_direct
"-"
"ľ������"
"ľ��(̵�Ѵ�)���ϥ⡼��"))
(lambda (wc)
(not (wnn-context-on wc)))
(lambda (wc)
(wnn-prepare-input-mode-activation wc wnn-type-direct)
(wnn-context-set-on! wc #f)))
(register-action 'action_wnn_fullwidth_alnum
(lambda (wc)
'(ja_fullwidth_alnum
"��"
"���ѱѿ�"
"���ѱѿ����ϥ⡼��"))
(lambda (wc)
(and (wnn-context-on wc)
(wnn-context-alnum wc)
(= (wnn-context-alnum-type wc)
wnn-type-fullwidth-alnum)))
(lambda (wc)
(wnn-prepare-input-mode-activation
wc (wnn-context-kana-mode wc))
(wnn-context-set-on! wc #t)
(wnn-context-set-alnum! wc #t)
(wnn-context-set-alnum-type!
wc wnn-type-fullwidth-alnum)))
(register-action 'action_wnn_roma
(lambda (wc)
'(ja_romaji
"��"
"������"
"���������ϥ⡼��"))
(lambda (wc)
(= (wnn-context-input-rule wc)
wnn-input-rule-roma))
(lambda (wc)
(wnn-prepare-input-rule-activation wc)
(rk-context-set-rule! (wnn-context-rkc wc)
ja-rk-rule)
(wnn-context-set-input-rule! wc wnn-input-rule-roma)))
(register-action 'action_wnn_kana
(lambda (wc)
'(ja_kana
"��"
"����"
"�������ϥ⡼��"))
(lambda (wc)
(= (wnn-context-input-rule wc)
wnn-input-rule-kana))
(lambda (wc)
(wnn-prepare-input-rule-activation wc)
(require "japanese-kana.scm")
(wnn-context-set-input-rule! wc wnn-input-rule-kana)
(wnn-context-change-kana-mode!
wc (wnn-context-kana-mode wc))
(wnn-context-set-alnum! wc #f)))
(register-action 'action_wnn_azik
(lambda (wc)
'(ja_azik
"��"
"AZIK"
"AZIK��ĥ���������ϥ⡼��"))
(lambda (wc)
(= (wnn-context-input-rule wc)
wnn-input-rule-azik))
(lambda (wc)
(wnn-prepare-input-rule-activation wc)
(require "japanese-azik.scm")
(rk-context-set-rule! (wnn-context-rkc wc)
ja-azik-rule)
(wnn-context-set-input-rule! wc wnn-input-rule-azik)))
(register-action 'action_wnn_kzik
(lambda (wc)
'(ja_kzik
"��"
"KZIK"
"KZIK��ĥ���������ϥ⡼��"))
(lambda (wc)
(= (wnn-context-input-rule wc)
wnn-input-rule-kzik))
(lambda (wc)
(wnn-prepare-input-rule-activation wc)
(require "japanese-kzik.scm")
(rk-context-set-rule! (wnn-context-rkc wc)
ja-kzik-rule)
(wnn-context-set-input-rule! wc wnn-input-rule-kzik)))
(register-action 'action_wnn_act
(lambda (wc)
'(ja_act
"��"
"ACT"
"ACT��ĥ���������ϥ⡼��"))
(lambda (wc)
(= (wnn-context-input-rule wc)
wnn-input-rule-act))
(lambda (wc)
(wnn-prepare-input-rule-activation wc)
(require "japanese-act.scm")
(rk-context-set-rule! (wnn-context-rkc wc)
ja-act-rule)
(wnn-context-set-input-rule! wc wnn-input-rule-act)))
;; Update widget definitions based on action configurations. The
;; procedure is needed for on-the-fly reconfiguration involving the
;; custom API
(define wnn-configure-widgets
(lambda ()
(register-widget 'widget_wnn_input_mode
(activity-indicator-new wnn-input-mode-actions)
(actions-new wnn-input-mode-actions))
(register-widget 'widget_wnn_kana_input_method
(activity-indicator-new wnn-kana-input-method-actions)
(actions-new wnn-kana-input-method-actions))
(context-list-replace-widgets! 'wnn wnn-widgets)))
(define wnn-context-rec-spec
(append
context-rec-spec
(list
(list 'on #f)
(list 'state #f)
(list 'transposing #f)
(list 'transposing-type 0)
(list 'predicting #f)
(list 'wnn-buf #f)
(list 'wc-ctx #f) ;; wnn-internal-context
(list 'preconv-ustr #f) ;; preedit strings
(list 'rkc ())
(list 'segments #f) ;; ustr of candidate indices
(list 'candidate-window #f)
(list 'candidate-op-count 0)
(list 'kana-mode wnn-type-hiragana)
(list 'alnum #f)
(list 'alnum-type wnn-type-halfwidth-alnum)
(list 'commit-raw #t)
(list 'input-rule wnn-input-rule-roma)
(list 'raw-ustr #f)
(list 'prediction-ctx '())
(list 'prediction-word '())
(list 'prediction-candidates '())
(list 'prediction-appendix '())
(list 'prediction-nr '())
(list 'prediction-window #f)
(list 'prediction-index #f)
(list 'prediction-cache '()))))
(define-record 'wnn-context wnn-context-rec-spec)
(define wnn-context-new-internal wnn-context-new)
(define (wnn-predict wc str)
(predict-meta-search
(wnn-context-prediction-ctx wc)
str))
(define (wnn-lib-set-prediction-src-string wc str)
(let* ((ret (wnn-predict wc str))
(word (predict-meta-word? ret))
(cands (predict-meta-candidates? ret))
(appendix (predict-meta-appendix? ret)))
(wnn-context-set-prediction-word! wc word)
(wnn-context-set-prediction-candidates! wc cands)
(wnn-context-set-prediction-appendix! wc appendix)
(wnn-context-set-prediction-nr! wc (length cands)))
#f)
(define (wnn-lib-get-nr-predictions wc)
(wnn-context-prediction-nr wc))
(define (wnn-lib-get-nth-word wc nth)
(let ((word (wnn-context-prediction-word wc)))
(list-ref word nth)))
(define (wnn-lib-get-nth-prediction wc nth)
(let ((cands (wnn-context-prediction-candidates wc)))
(list-ref cands nth)))
(define (wnn-lib-get-nth-appendix wc nth)
(let ((appendix (wnn-context-prediction-appendix wc)))
(list-ref appendix nth)))
(define (wnn-lib-commit-nth-prediction wc nth)
(predict-meta-commit
(wnn-context-prediction-ctx wc)
(wnn-lib-get-nth-word wc nth)
(wnn-lib-get-nth-prediction wc nth)
(wnn-lib-get-nth-appendix wc nth)))
(define (wnn-context-new id im)
(let ((wc (wnn-context-new-internal id im))
(rkc (rk-context-new ja-rk-rule #t #f)))
(if (not (wnn-context-wnn-buf wc))
(wnn-context-set-wnn-buf! wc (wnn-lib-init wnn-server-name)))
(wnn-context-set-wc-ctx! wc (wnn-lib-alloc-context wc))
(wnn-context-set-widgets! wc wnn-widgets)
(wnn-context-set-rkc! wc rkc)
(wnn-context-set-preconv-ustr! wc (ustr-new '()))
(wnn-context-set-raw-ustr! wc (ustr-new '()))
(wnn-context-set-segments! wc (ustr-new '()))
(if wnn-use-prediction?
(begin
(wnn-context-set-prediction-ctx! wc (predict-make-meta-search))
(predict-meta-open (wnn-context-prediction-ctx wc) "wnn")
(predict-meta-set-external-charset! (wnn-context-prediction-ctx wc) "EUC-JP")))
wc))
(define (wnn-commit-raw wc)
(im-commit-raw wc)
(wnn-context-set-commit-raw! wc #t))
(define (wnn-context-kana-toggle wc)
(let* ((kana (wnn-context-kana-mode wc))
(opposite-kana (ja-opposite-kana kana)))
(wnn-context-change-kana-mode! wc opposite-kana)))
(define wnn-context-alkana-toggle
(lambda (wc)
(let ((alnum-state (wnn-context-alnum wc)))
(wnn-context-set-alnum! wc (not alnum-state)))))
(define wnn-context-change-kana-mode!
(lambda (wc kana-mode)
(if (= (wnn-context-input-rule wc)
wnn-input-rule-kana)
(rk-context-set-rule!
(wnn-context-rkc wc)
(cond
((= kana-mode wnn-type-hiragana) ja-kana-hiragana-rule)
((= kana-mode wnn-type-katakana) ja-kana-katakana-rule)
((= kana-mode wnn-type-halfkana) ja-kana-halfkana-rule))))
(wnn-context-set-kana-mode! wc kana-mode)))
(define wnn-make-whole-string
(lambda (wc convert-pending-into-kana? kana)
(let* ((rkc (wnn-context-rkc wc))
(pending (rk-pending rkc))
(residual-kana (rk-peek-terminal-match rkc))
(rule (wnn-context-input-rule wc))
(preconv-str (wnn-context-preconv-ustr wc))
(extract-kana
(if (= rule wnn-input-rule-kana)
(lambda (entry) (car entry))
(lambda (entry) (list-ref entry kana)))))
(if (= rule wnn-input-rule-kana)
(ja-make-kana-str
(ja-make-kana-str-list
(string-to-list
(string-append
(string-append-map-ustr-former extract-kana preconv-str)
(if convert-pending-into-kana?
(if residual-kana
(if (list? (car residual-kana))
(string-append-map extract-kana residual-kana)
(extract-kana residual-kana))
pending)
pending)
(string-append-map-ustr-latter extract-kana preconv-str))))
kana)
(string-append
(string-append-map-ustr-former extract-kana preconv-str)
(if convert-pending-into-kana?
(if residual-kana
(if (list? (car residual-kana))
(string-append-map extract-kana residual-kana)
(extract-kana residual-kana))
"")
pending)
(string-append-map-ustr-latter extract-kana preconv-str))))))
(define wnn-make-raw-string
(lambda (raw-str-list wide? upper?)
(if (not (null? raw-str-list))
(if wide?
(string-append
(ja-string-list-to-wide-alphabet
(if upper?
(map charcode->string
(map ichar-upcase
(map string->charcode
(string-to-list (car raw-str-list)))))
(string-to-list (car raw-str-list))))
(wnn-make-raw-string (cdr raw-str-list) wide? upper?))
(string-append
(if upper?
(string-list-concat
(map charcode->string
(map ichar-upcase
(map string->charcode
(string-to-list (car raw-str-list))))))
(car raw-str-list))
(wnn-make-raw-string (cdr raw-str-list) wide? upper?)))
"")))
(define wnn-make-whole-raw-string
(lambda (wc wide? upper?)
(wnn-make-raw-string (wnn-get-raw-str-seq wc) wide? upper?)))
(define (wnn-init-handler id im arg)
(wnn-context-new id im))
(define (wnn-release-handler wc)
(let ((wc-ctx (wnn-context-wc-ctx wc)))
(if wc-ctx
(wnn-lib-release-context wc))))
(define (wnn-flush wc)
(rk-flush (wnn-context-rkc wc))
(ustr-clear! (wnn-context-preconv-ustr wc))
(ustr-clear! (wnn-context-raw-ustr wc))
(ustr-clear! (wnn-context-segments wc))
(wnn-context-set-transposing! wc #f)
(wnn-context-set-state! wc #f)
(if (or (wnn-context-candidate-window wc)
(wnn-context-prediction-window wc))
(im-deactivate-candidate-selector wc))
(wnn-context-set-candidate-window! wc #f)
(wnn-context-set-prediction-window! wc #f)
(wnn-context-set-candidate-op-count! wc 0))
(define (wnn-begin-input wc key key-state)
(if (cond
((wnn-on-key? key key-state)
#t)
((and
wnn-use-mode-transition-keys-in-off-mode?
(cond
((wnn-hiragana-key? key key-state)
(wnn-context-set-kana-mode! wc wnn-type-hiragana)
(wnn-context-set-alnum! wc #f)
#t)
((wnn-katakana-key? key key-state)
(wnn-context-set-kana-mode! wc wnn-type-katakana)
(wnn-context-set-alnum! wc #f)
#t)
((wnn-halfkana-key? key key-state)
(wnn-context-set-kana-mode! wc wnn-type-halfkana)
(wnn-context-set-alnum! wc #f)
#t)
((wnn-halfwidth-alnum-key? key key-state)
(wnn-context-set-alnum-type! wc wnn-type-halfwidth-alnum)
(wnn-context-set-alnum! wc #t)
#t)
((wnn-halfwidth-alnum-key? key key-state)
(wnn-context-set-alnum-type! wc wnn-type-fullwidth-alnum)
(wnn-context-set-alnum! wc #t)
#t)
((wnn-kana-toggle-key? key key-state)
(wnn-context-kana-toggle wc)
(wnn-context-set-alnum! wc #f)
#t)
((wnn-alkana-toggle-key? key key-state)
(wnn-context-alkana-toggle wc)
#t)
(else
#f))))
(else
#f))
(begin
(wnn-context-set-on! wc #t)
(rk-flush (wnn-context-rkc wc))
(wnn-context-set-state! wc #f)
#t)
#f))
(define (wnn-update-preedit wc)
(if (not (wnn-context-commit-raw wc))
(let ((segments (if (wnn-context-on wc)
(if (wnn-context-transposing wc)
(wnn-context-transposing-state-preedit wc)
(if (wnn-context-state wc)
(wnn-compose-state-preedit wc)
(if (wnn-context-predicting wc)
(wnn-predicting-state-preedit wc)
(wnn-input-state-preedit wc))))
())))
(context-update-preedit wc segments))
(wnn-context-set-commit-raw! wc #f)))
(define (wnn-begin-conv wc)
(let ((wc-ctx (wnn-context-wc-ctx wc))
(preconv-str (wnn-make-whole-string wc #t wnn-type-hiragana)))
(if (and wc-ctx
(> (string-length preconv-str) 0))
(let ((num (wnn-lib-begin-conversion wc preconv-str)))
(if num
(begin
(ustr-set-latter-seq!
(wnn-context-segments wc)
(make-list num 0))
(wnn-context-set-state! wc #t)
;; Don't perform rk-flush here. The rkc must be restored when
;; wnn-cancel-conv invoked -- YamaKen 2004-10-25
))))))
(define wnn-cancel-conv
(lambda (wc)
(wnn-reset-candidate-window wc)
(wnn-context-set-state! wc #f)
(ustr-clear! (wnn-context-segments wc))
(wnn-lib-reset-conversion wc)))
(define (wnn-proc-input-state-no-preedit wc key key-state)
(let
((rkc (wnn-context-rkc wc))
(direct (ja-direct (charcode->string key)))
(rule (wnn-context-input-rule wc)))
(cond
((and wnn-use-with-vi?
(wnn-vi-escape-key? key key-state))
(wnn-flush wc)
(wnn-context-set-on! wc #f)
(wnn-commit-raw wc))
((wnn-off-key? key key-state)
(wnn-flush wc)
(wnn-context-set-on! wc #f))
((wnn-backspace-key? key key-state)
(wnn-commit-raw wc))
((wnn-delete-key? key key-state)
(wnn-commit-raw wc))
((and
(wnn-hiragana-key? key key-state)
(not
(and
(= (wnn-context-kana-mode wc) wnn-type-hiragana)
(not (wnn-context-alnum wc)))))
(wnn-context-change-kana-mode! wc wnn-type-hiragana)
(wnn-context-set-alnum! wc #f))
((and
(wnn-katakana-key? key key-state)
(not
(and
(= (wnn-context-kana-mode wc) wnn-type-katakana)
(not (wnn-context-alnum wc)))))
(wnn-context-change-kana-mode! wc wnn-type-katakana)
(wnn-context-set-alnum! wc #f))
((and
(wnn-halfkana-key? key key-state)
(not
(and
(= (wnn-context-kana-mode wc) wnn-type-halfkana)
(not (wnn-context-alnum wc)))))
(wnn-context-change-kana-mode! wc wnn-type-halfkana)
(wnn-context-set-alnum! wc #f))
((and
(wnn-halfwidth-alnum-key? key key-state)
(not
(and
(= (wnn-context-alnum-type wc) wnn-type-halfwidth-alnum)
(wnn-context-alnum wc))))
(wnn-context-set-alnum-type! wc wnn-type-halfwidth-alnum)
(wnn-context-set-alnum! wc #t))
((and
(wnn-fullwidth-alnum-key? key key-state)
(not
(and
(= (wnn-context-alnum-type wc) wnn-type-fullwidth-alnum)
(wnn-context-alnum wc))))
(wnn-context-set-alnum-type! wc wnn-type-fullwidth-alnum)
(wnn-context-set-alnum! wc #t))
((and
(not (wnn-context-alnum wc))
(wnn-kana-toggle-key? key key-state))
(wnn-context-kana-toggle wc))
((wnn-alkana-toggle-key? key key-state)
(wnn-context-alkana-toggle wc))
;; modifiers (except shift) => ignore
((and (modifier-key-mask key-state)
(not (shift-key-mask key-state)))
(wnn-commit-raw wc))
;; direct key => commit
(direct
(im-commit wc direct))
;; space key
((wnn-space-key? key key-state)
(if (wnn-context-alnum wc)
(im-commit wc (list-ref
ja-alnum-space
(- (wnn-context-alnum-type wc)
wnn-type-halfwidth-alnum)))
(im-commit wc (list-ref ja-space (wnn-context-kana-mode wc)))))
((symbol? key)
(wnn-commit-raw wc))
(else
(if (wnn-context-alnum wc)
(let ((key-str (charcode->string key)))
(ustr-insert-elem! (wnn-context-preconv-ustr wc)
(if (= (wnn-context-alnum-type wc)
wnn-type-halfwidth-alnum)
(list key-str key-str key-str)
(list (ja-wide key-str) (ja-wide key-str)
(ja-wide key-str))))
(ustr-insert-elem! (wnn-context-raw-ustr wc) key-str))
(let* ((key-str (charcode->string
(if (= rule wnn-input-rule-kana)
key
(ichar-downcase key))))
(res (rk-push-key! rkc key-str)))
(if res
(begin
(if (list? (car res))
(ustr-insert-seq! (wnn-context-preconv-ustr wc) res)
(ustr-insert-elem! (wnn-context-preconv-ustr wc) res))
(ustr-insert-elem! (wnn-context-raw-ustr wc) key-str))
(if (null? (rk-context-seq rkc))
(wnn-commit-raw wc)))))))))
(define (wnn-has-preedit? wc)
(or (not (ustr-empty? (wnn-context-preconv-ustr wc)))
(> (string-length (rk-pending (wnn-context-rkc wc))) 0)))
(define wnn-rotate-transposing-alnum-type
(lambda (cur-type state)
(cond
((and
(= cur-type wnn-type-halfwidth-alnum)
(= state wnn-type-halfwidth-alnum))
wnn-candidate-type-upper-halfwidth-alnum)
((and
(= cur-type wnn-type-fullwidth-alnum)
(= state wnn-type-fullwidth-alnum))
wnn-candidate-type-upper-fullwidth-alnum)
(else
state))))
(define wnn-proc-transposing-state
(lambda (wc key key-state)
(let ((rotate-list '())
(state #f))
(if (wnn-transpose-as-fullwidth-alnum-key? key key-state)
(set! rotate-list (cons wnn-type-fullwidth-alnum rotate-list)))
(if (wnn-transpose-as-halfwidth-alnum-key? key key-state)
(set! rotate-list (cons wnn-type-halfwidth-alnum rotate-list)))
(if (wnn-transpose-as-halfkana-key? key key-state)
(set! rotate-list (cons wnn-type-halfkana rotate-list)))
(if (wnn-transpose-as-katakana-key? key key-state)
(set! rotate-list (cons wnn-type-katakana rotate-list)))
(if (wnn-transpose-as-hiragana-key? key key-state)
(set! rotate-list (cons wnn-type-hiragana rotate-list)))
(if (wnn-context-transposing wc)
(let ((lst (member (wnn-context-transposing-type wc) rotate-list)))
(if (and lst
(not (null? (cdr lst))))
(set! state (car (cdr lst)))
(if (not (null? rotate-list))
(set! state (wnn-rotate-transposing-alnum-type
(wnn-context-transposing-type wc)
(car rotate-list))))))
(begin
(wnn-context-set-transposing! wc #t)
(set! state (car rotate-list))))
(cond
((and state
(or
(= state wnn-type-hiragana)
(= state wnn-type-katakana)
(= state wnn-type-halfkana)))
(wnn-context-set-transposing-type! wc state))
((and state
(or
(= state wnn-type-halfwidth-alnum)
(= state wnn-candidate-type-upper-halfwidth-alnum)
(= state wnn-type-fullwidth-alnum)
(= state wnn-candidate-type-upper-fullwidth-alnum)))
(if (not (= (wnn-context-input-rule wc) wnn-input-rule-kana))
(wnn-context-set-transposing-type! wc state)))
(else
(and
; commit
(if (wnn-commit-key? key key-state)
(begin
(im-commit wc (wnn-transposing-text wc))
(wnn-flush wc)
#f)
#t)
; begin-conv
(if (wnn-begin-conv-key? key key-state)
(begin
(wnn-context-set-transposing! wc #f)
(wnn-begin-conv wc)
#f)
#t)
; cancel
(if (or
(wnn-cancel-key? key key-state)
(wnn-backspace-key? key key-state))
(begin
(wnn-context-set-transposing! wc #f)
#f)
#t)
; ignore
(if (or
(wnn-prev-page-key? key key-state)
(wnn-next-page-key? key key-state)
(wnn-extend-segment-key? key key-state)
(wnn-shrink-segment-key? key key-state)
(wnn-next-segment-key? key key-state)
(wnn-beginning-of-preedit-key? key key-state)
(wnn-end-of-preedit-key? key key-state)
(wnn-next-candidate-key? key key-state)
(wnn-prev-candidate-key? key key-state)
(and
(modifier-key-mask key-state)
(not (shift-key-mask key-state)))
(symbol? key))
#f
#t)
; implicit commit
(begin
(im-commit wc (wnn-transposing-text wc))
(wnn-flush wc)
(wnn-proc-input-state wc key key-state))))))))
(define (wnn-move-prediction wc offset)
(let* ((nr (wnn-lib-get-nr-predictions wc))
(idx (wnn-context-prediction-index wc))
(n (if (not idx)
0
(+ idx offset)))
(compensated-n (cond
((>= n nr)
0)
((< n 0)
(- nr 1))
(else
n))))
(im-select-candidate wc compensated-n)
(wnn-context-set-prediction-index! wc compensated-n)))
(define (wnn-move-prediction-in-page wc numeralc)
(let* ((nr (wnn-lib-get-nr-predictions wc))
(p-idx (wnn-context-prediction-index wc))
(n (if (not p-idx)
0
p-idx))
(cur-page (if (= wnn-nr-candidate-max 0)
0
(quotient n wnn-nr-candidate-max)))
(pageidx (- (numeric-ichar->integer numeralc) 1))
(compensated-pageidx (cond
((< pageidx 0) ; pressing key_0
(+ pageidx 10))
(else
pageidx)))
(idx (+ (* cur-page wnn-nr-candidate-max) compensated-pageidx))
(compensated-idx (cond
((>= idx nr)
#f)
(else
idx)))
(selected-pageidx (if (not p-idx)
#f
(if (= wnn-nr-candidate-max 0)
p-idx
(remainder p-idx
wnn-nr-candidate-max)))))
(if (and
compensated-idx
(not (eqv? compensated-pageidx selected-pageidx)))
(begin
(wnn-context-set-prediction-index! wc compensated-idx)
(im-select-candidate wc compensated-idx)
#t)
#f)))
(define (wnn-prediction-select-non-existing-index? wc numeralc)
(let* ((nr (wnn-lib-get-nr-predictions wc))
(p-idx (wnn-context-prediction-index wc))
(cur-page (if (= wnn-nr-candidate-max 0)
0
(quotient p-idx wnn-nr-candidate-max)))
(pageidx (- (numeric-ichar->integer numeralc) 1))
(compensated-pageidx (cond
((< pageidx 0) ; pressing key_0
(+ pageidx 10))
(else
pageidx)))
(idx (+ (* cur-page wnn-nr-candidate-max) compensated-pageidx)))
(if (>= idx nr)
#t
#f)))
(define (wnn-prediction-keys-handled? wc key key-state)
(cond
((wnn-next-prediction-key? key key-state)
(wnn-move-prediction wc 1)
#t)
((wnn-prev-prediction-key? key key-state)
(wnn-move-prediction wc -1)
#t)
((and
wnn-select-prediction-by-numeral-key?
(ichar-numeric? key))
(wnn-move-prediction-in-page wc key))
((and
(wnn-context-prediction-index wc)
(wnn-prev-page-key? key key-state))
(im-shift-page-candidate wc #f)
#t)
((and
(wnn-context-prediction-index wc)
(wnn-next-page-key? key key-state))
(im-shift-page-candidate wc #t)
#t)
(else
#f)))
(define (wnn-proc-prediction-state wc key key-state)
(cond
;; prediction index change
((wnn-prediction-keys-handled? wc key key-state))
;; cancel
((wnn-cancel-key? key key-state)
(if (wnn-context-prediction-index wc)
(wnn-reset-prediction-window wc)
(begin
(wnn-reset-prediction-window wc)
(wnn-proc-input-state wc key key-state))))
;; commit
((and
(wnn-context-prediction-index wc)
(wnn-commit-key? key key-state))
(wnn-do-commit-prediction wc))
(else
(if (and
wnn-use-implicit-commit-prediction?
(wnn-context-prediction-index wc))
(cond
((or
;; check keys used in wnn-proc-input-state-with-preedit
(wnn-begin-conv-key? key key-state)
(wnn-backspace-key? key key-state)
(wnn-delete-key? key key-state)
(wnn-kill-key? key key-state)
(wnn-kill-backward-key? key key-state)
(and
(not (wnn-context-alnum wc))
(wnn-commit-as-opposite-kana-key? key key-state))
(wnn-transpose-as-hiragana-key? key key-state)
(wnn-transpose-as-katakana-key? key key-state)
(wnn-transpose-as-halfkana-key? key key-state)
(and
(not (= (wnn-context-input-rule wc) wnn-input-rule-kana))
(or
(wnn-transpose-as-halfwidth-alnum-key? key key-state)
(wnn-transpose-as-fullwidth-alnum-key? key key-state)))
(wnn-hiragana-key? key key-state)
(wnn-katakana-key? key key-state)
(wnn-halfkana-key? key key-state)
(wnn-halfwidth-alnum-key? key key-state)
(wnn-fullwidth-alnum-key? key key-state)
(and
(not (wnn-context-alnum wc))
(wnn-kana-toggle-key? key key-state))
(wnn-alkana-toggle-key? key key-state)
(wnn-go-left-key? key key-state)
(wnn-go-right-key? key key-state)
(wnn-beginning-of-preedit-key? key key-state)
(wnn-end-of-preedit-key? key key-state)
(and
(modifier-key-mask key-state)
(not (shift-key-mask key-state))))
;; go back to unselected prediction
(wnn-reset-prediction-window wc)
(wnn-check-prediction wc #f))
((and
(ichar-numeric? key)
wnn-select-prediction-by-numeral-key?
(not (wnn-prediction-select-non-existing-index? wc key)))
(wnn-context-set-predicting! wc #f)
(wnn-context-set-prediction-index! wc #f)
(wnn-proc-input-state wc key key-state))
(else
;; implicit commit
(wnn-do-commit-prediction wc)
(wnn-proc-input-state wc key key-state)))
(begin
(wnn-context-set-predicting! wc #f)
(wnn-context-set-prediction-index! wc #f)
(wnn-proc-input-state wc key key-state))))))
(define (wnn-proc-input-state-with-preedit wc key key-state)
(let ((preconv-str (wnn-context-preconv-ustr wc))
(raw-str (wnn-context-raw-ustr wc))
(rkc (wnn-context-rkc wc))
(rule (wnn-context-input-rule wc))
(kana (wnn-context-kana-mode wc)))
(cond
;; begin conversion
((wnn-begin-conv-key? key key-state)
(wnn-reset-prediction-window wc)
(wnn-begin-conv wc))
;; prediction
((wnn-next-prediction-key? key key-state)
(wnn-check-prediction wc #t))
;; backspace
((wnn-backspace-key? key key-state)
(if (not (rk-backspace rkc))
(begin
(ustr-cursor-delete-backside! preconv-str)
(ustr-cursor-delete-backside! raw-str)
;; fix to valid roma
(if (and
(= (wnn-context-input-rule wc) wnn-input-rule-roma)
(not (null? (ustr-former-seq preconv-str)))
(not (ichar-printable?
(string->ichar
(car (last (ustr-former-seq preconv-str)))))))
(ja-fix-deleted-raw-str-to-valid-roma! raw-str)))))
;; delete
((wnn-delete-key? key key-state)
(if (not (rk-delete rkc))
(begin
(ustr-cursor-delete-frontside! preconv-str)
(ustr-cursor-delete-frontside! raw-str))))
;; kill
((wnn-kill-key? key key-state)
(ustr-clear-latter! preconv-str)
(ustr-clear-latter! raw-str))
;; kill-backward
((wnn-kill-backward-key? key key-state)
(rk-flush rkc)
(ustr-clear-former! preconv-str)
(ustr-clear-former! raw-str))
;; ���ߤȤϵդΤ��ʥ⡼�ɤǤ��ʤ���ꤹ��
((and
(not (wnn-context-alnum wc))
(wnn-commit-as-opposite-kana-key? key key-state))
(im-commit wc (wnn-make-whole-string wc #t (ja-opposite-kana kana)))
(wnn-flush wc))
;; Transposing���֤ذܹ�
((or (wnn-transpose-as-hiragana-key? key key-state)
(wnn-transpose-as-katakana-key? key key-state)
(wnn-transpose-as-halfkana-key? key key-state)
(and
(not (= (wnn-context-input-rule wc) wnn-input-rule-kana))
(or
(wnn-transpose-as-halfwidth-alnum-key? key key-state)
(wnn-transpose-as-fullwidth-alnum-key? key key-state))))
(wnn-reset-prediction-window wc)
(wnn-proc-transposing-state wc key key-state))
((wnn-hiragana-key? key key-state)
(if (not (= kana wnn-type-hiragana))
(begin
(im-commit wc (wnn-make-whole-string wc #t kana))
(wnn-flush wc)))
(wnn-context-set-kana-mode! wc wnn-type-hiragana)
(wnn-context-set-alnum! wc #f))
((wnn-katakana-key? key key-state)
(if (not (= kana wnn-type-katakana))
(begin
(im-commit wc (wnn-make-whole-string wc #t kana))
(wnn-flush wc)))
(wnn-context-set-kana-mode! wc wnn-type-katakana)
(wnn-context-set-alnum! wc #f))
((wnn-halfkana-key? key key-state)
(if (not (= kana wnn-type-halfkana))
(begin
(im-commit wc (wnn-make-whole-string wc #t kana))
(wnn-flush wc)))
(wnn-context-set-kana-mode! wc wnn-type-halfkana)
(wnn-context-set-alnum! wc #f))
((and
(wnn-halfwidth-alnum-key? key key-state)
(not
(and
(= (wnn-context-alnum-type wc) wnn-type-halfwidth-alnum)
(wnn-context-alnum wc))))
(wnn-context-set-alnum-type! wc wnn-type-halfwidth-alnum)
(wnn-context-set-alnum! wc #t))
((and
(wnn-fullwidth-alnum-key? key key-state)
(not
(and
(= (wnn-context-alnum-type wc) wnn-type-fullwidth-alnum)
(wnn-context-alnum wc))))
(wnn-context-set-alnum-type! wc wnn-type-fullwidth-alnum)
(wnn-context-set-alnum! wc #t))
;; Commit current preedit string, then toggle hiragana/katakana mode.
((and
(not (wnn-context-alnum wc))
(wnn-kana-toggle-key? key key-state))
(im-commit wc (wnn-make-whole-string wc #t kana))
(wnn-flush wc)
(wnn-context-kana-toggle wc))
((wnn-alkana-toggle-key? key key-state)
(wnn-context-alkana-toggle wc))
;; cancel
((wnn-cancel-key? key key-state)
(wnn-flush wc))
;; commit
((wnn-commit-key? key key-state)
(begin
(im-commit
wc
(wnn-make-whole-string wc #t kana))
(wnn-flush wc)))
;; left
((wnn-go-left-key? key key-state)
(wnn-context-confirm-kana! wc)
(ustr-cursor-move-backward! preconv-str)
(ustr-cursor-move-backward! raw-str))
;; right
((wnn-go-right-key? key key-state)
(wnn-context-confirm-kana! wc)
(ustr-cursor-move-forward! preconv-str)
(ustr-cursor-move-forward! raw-str))
;; beginning-of-preedit
((wnn-beginning-of-preedit-key? key key-state)
(wnn-context-confirm-kana! wc)
(ustr-cursor-move-beginning! preconv-str)
(ustr-cursor-move-beginning! raw-str))
;; end-of-preedit
((wnn-end-of-preedit-key? key key-state)
(wnn-context-confirm-kana! wc)
(ustr-cursor-move-end! preconv-str)
(ustr-cursor-move-end! raw-str))
;; modifiers (except shift) => ignore
((and (modifier-key-mask key-state)
(not (shift-key-mask key-state)))
#f)
((symbol? key)
#f)
(else
(if (wnn-context-alnum wc)
(let ((key-str (charcode->string key))
(pend (rk-pending rkc))
(residual-kana (rk-peek-terminal-match rkc)))
(rk-flush rkc) ;; OK to reset rkc here.
(if residual-kana
(begin
(if (list? (car residual-kana))
(begin
(ustr-insert-seq! preconv-str residual-kana)
(ustr-insert-elem! raw-str (reverse
(string-to-list pend))))
(begin
(ustr-insert-elem! preconv-str residual-kana)
(ustr-insert-elem! raw-str pend)))))
(ustr-insert-elem! preconv-str
(if (= (wnn-context-alnum-type wc)
wnn-type-halfwidth-alnum)
(list key-str key-str key-str)
(list (ja-wide key-str) (ja-wide key-str)
(ja-wide key-str))))
(ustr-insert-elem! raw-str key-str))
(let* ((key-str (charcode->string
(if (= rule wnn-input-rule-kana)
key
(ichar-downcase key))))
(pend (rk-pending rkc))
(res (rk-push-key! rkc key-str)))
(if (and res
(or (list? (car res))
(not (string=? (car res) ""))))
(let ((next-pend (rk-pending rkc)))
(if (list? (car res))
(ustr-insert-seq! preconv-str res)
(ustr-insert-elem! preconv-str res))
(if (and next-pend
(not (string=? next-pend "")))
(ustr-insert-seq! raw-str
(reverse (string-to-list pend)))
(if (list? (car res))
(begin
(if (member pend
(map car
ja-consonant-syllable-table))
;; treat consonant having more than one
;; charactear as one raw-str in this case
(ustr-insert-elem! raw-str pend)
(ustr-insert-elem! raw-str (reverse
(string-to-list
pend))))
;; assume key-str as a vowel
(ustr-insert-elem! raw-str key-str))
(ustr-insert-elem!
raw-str
(string-append pend key-str))))))))))))
(define wnn-context-confirm-kana!
(lambda (wc)
(if (= (wnn-context-input-rule wc)
wnn-input-rule-kana)
(let* ((preconv-str (wnn-context-preconv-ustr wc))
(rkc (wnn-context-rkc wc))
(residual-kana (rk-peek-terminal-match rkc)))
(if residual-kana
(begin
(if (list? (car residual-kana))
(ustr-insert-seq! preconv-str residual-kana)
(ustr-insert-elem! preconv-str residual-kana))
(rk-flush rkc)))))))
(define (wnn-reset-prediction-window wc)
(if (wnn-context-prediction-window wc)
(im-deactivate-candidate-selector wc))
(wnn-context-set-predicting! wc #f)
(wnn-context-set-prediction-window! wc #f)
(wnn-context-set-prediction-index! wc #f))
(define (wnn-check-prediction wc force-check?)
(if (and
(not (wnn-context-state wc))
(not (wnn-context-transposing wc))
(not (wnn-context-predicting wc)))
(let* ((use-pending-rk-for-prediction? #t)
(preconv-str
(wnn-make-whole-string
wc
(not use-pending-rk-for-prediction?)
(wnn-context-kana-mode wc)))
(preedit-len (+
(ustr-length (wnn-context-preconv-ustr wc))
(if (not use-pending-rk-for-prediction?)
0
(string-length (rk-pending
(wnn-context-rkc
wc)))))))
(if (or
(>= preedit-len wnn-prediction-start-char-count)
force-check?)
(begin
(wnn-lib-set-prediction-src-string wc preconv-str)
(let ((nr (wnn-lib-get-nr-predictions wc)))
(if (and
nr
(> nr 0))
(begin
(im-activate-candidate-selector
wc nr wnn-nr-candidate-max)
(wnn-context-set-prediction-window! wc #t)
(wnn-context-set-predicting! wc #t))
(wnn-reset-prediction-window wc))))
(wnn-reset-prediction-window wc)))))
(define (wnn-proc-input-state wc key key-state)
(if (wnn-has-preedit? wc)
(wnn-proc-input-state-with-preedit wc key key-state)
(wnn-proc-input-state-no-preedit wc key key-state))
(if wnn-use-prediction?
(wnn-check-prediction wc #f)))
(define wnn-separator
(lambda (wc)
(let ((attr (bitwise-ior preedit-separator preedit-underline)))
(if wnn-show-segment-separator?
(cons attr wnn-segment-separator)
#f))))
(define wnn-context-transposing-state-preedit
(lambda (wc)
(let ((transposing-text (wnn-transposing-text wc)))
(list (cons preedit-reverse transposing-text)
(cons preedit-cursor "")))))
(define wnn-transposing-text
(lambda (wc)
(let ((transposing-type (wnn-context-transposing-type wc)))
(cond
((or
(= transposing-type wnn-type-hiragana)
(= transposing-type wnn-type-katakana)
(= transposing-type wnn-type-halfkana))
(wnn-make-whole-string wc #t transposing-type))
((= transposing-type wnn-type-halfwidth-alnum)
(wnn-make-whole-raw-string wc #f #f))
((= transposing-type wnn-candidate-type-upper-halfwidth-alnum)
(wnn-make-whole-raw-string wc #f #t))
((= transposing-type wnn-type-fullwidth-alnum)
(wnn-make-whole-raw-string wc #t #f))
((= transposing-type wnn-candidate-type-upper-fullwidth-alnum)
(wnn-make-whole-raw-string wc #t #t))))))
(define wnn-get-raw-str-seq
(lambda (wc)
(let* ((rkc (wnn-context-rkc wc))
(pending (rk-pending rkc))
(residual-kana (rk-peek-terminal-match rkc))
(raw-str (wnn-context-raw-ustr wc))
(right-str (ustr-latter-seq raw-str))
(left-str (ustr-former-seq raw-str)))
(append left-str
(if residual-kana
(if (list? (car residual-kana))
(reverse (string-to-list pending))
(list pending))
'())
right-str))))
(define wnn-get-raw-candidate
(lambda (wc seg-idx cand-idx)
(let* ((preconv
(ja-join-vu (string-to-list
(wnn-make-whole-string wc #t wnn-type-hiragana))))
(unconv-candidate (wnn-lib-get-unconv-candidate wc seg-idx))
(unconv (if unconv-candidate
(ja-join-vu (string-to-list unconv-candidate))
'()))
(raw-str (reverse (wnn-get-raw-str-seq wc))))
(cond
((= cand-idx wnn-candidate-type-hiragana)
(string-list-concat unconv))
((= cand-idx wnn-candidate-type-katakana)
(ja-make-kana-str (ja-make-kana-str-list unconv) wnn-type-katakana))
((= cand-idx wnn-candidate-type-halfkana)
(ja-make-kana-str (ja-make-kana-str-list unconv) wnn-type-halfkana))
(else
(if (not (null? unconv))
(if (member (car unconv) preconv)
(let ((start (list-seq-contained? preconv unconv))
(len (length unconv)))
(if (and
start
(= (length raw-str) (length preconv))) ;; sanity check
(wnn-make-raw-string
(reverse (sublist-rel raw-str start len))
(if (or
(= cand-idx wnn-candidate-type-halfwidth-alnum)
(= cand-idx
wnn-candidate-type-upper-halfwidth-alnum))
#f
#t)
(if (or
(= cand-idx wnn-candidate-type-halfwidth-alnum)
(= cand-idx wnn-candidate-type-fullwidth-alnum))
#f
#t))
"??")) ;; FIXME
"???") ;; FIXME
"????")))))) ;; shouldn't happen
(define (wnn-predicting-state-preedit wc)
(if (or
(not wnn-use-implicit-commit-prediction?)
(not (wnn-context-prediction-index wc)))
(wnn-input-state-preedit wc)
(let ((cand (wnn-get-prediction-string wc)))
(list (cons (bitwise-ior preedit-reverse preedit-cursor) cand)))))
(define (wnn-compose-state-preedit wc)
(let* ((segments (wnn-context-segments wc))
(cur-seg (ustr-cursor-pos segments))
(separator (wnn-separator wc)))
(append-map
(lambda (seg-idx cand-idx)
(let* ((attr (if (= seg-idx cur-seg)
(bitwise-ior preedit-reverse
preedit-cursor)
preedit-underline))
(cand (if (> cand-idx wnn-candidate-type-katakana)
(wnn-lib-get-nth-candidate wc seg-idx cand-idx)
(wnn-get-raw-candidate wc seg-idx cand-idx)))
(seg (list (cons attr cand))))
(if (and separator
(< 0 seg-idx))
(cons separator seg)
seg)))
(iota (ustr-length segments))
(ustr-whole-seq segments))))
(define (wnn-input-state-preedit wc)
(let* ((preconv-str (wnn-context-preconv-ustr wc))
(rkc (wnn-context-rkc wc))
(pending (rk-pending rkc))
(kana (wnn-context-kana-mode wc))
(rule (wnn-context-input-rule wc))
(extract-kana
(if (= rule wnn-input-rule-kana)
(lambda (entry) (car entry))
(lambda (entry) (list-ref entry kana)))))
(list
(and (not (ustr-cursor-at-beginning? preconv-str))
(cons preedit-underline
(string-append-map-ustr-former extract-kana preconv-str)))
(and (> (string-length pending) 0)
(cons preedit-underline pending))
(and (wnn-has-preedit? wc)
(cons preedit-cursor ""))
(and (not (ustr-cursor-at-end? preconv-str))
(cons preedit-underline
(string-append-map-ustr-latter extract-kana preconv-str))))))
(define (wnn-get-commit-string wc)
(let ((segments (wnn-context-segments wc)))
(string-append-map (lambda (seg-idx cand-idx)
(if (> cand-idx wnn-candidate-type-katakana)
(wnn-lib-get-nth-candidate
wc seg-idx cand-idx)
(wnn-get-raw-candidate
wc seg-idx cand-idx)))
(iota (ustr-length segments))
(ustr-whole-seq segments))))
(define (wnn-commit-string wc)
(let ((wc-ctx (wnn-context-wc-ctx wc))
(segments (wnn-context-segments wc)))
(if wc-ctx
(begin
(for-each (lambda (seg-idx cand-idx)
(if (> cand-idx wnn-candidate-type-katakana)
(wnn-lib-commit-segment wc seg-idx cand-idx)))
(iota (ustr-length segments))
(ustr-whole-seq segments))
(if (every (lambda (x) (<= x wnn-candidate-type-katakana))
(ustr-whole-seq segments))
(wnn-lib-reset-conversion wc))))))
(define (wnn-do-commit wc)
(im-commit wc (wnn-get-commit-string wc))
(wnn-commit-string wc)
(wnn-reset-candidate-window wc)
(wnn-flush wc))
(define (wnn-get-prediction-string wc)
(wnn-lib-get-nth-prediction
wc
(wnn-context-prediction-index wc)))
(define (wnn-learn-prediction-string wc)
(wnn-lib-commit-nth-prediction
wc
(wnn-context-prediction-index wc)))
(define (wnn-do-commit-prediction wc)
(im-commit wc (wnn-get-prediction-string wc))
(wnn-learn-prediction-string wc)
(wnn-reset-prediction-window wc)
(wnn-flush wc))
(define wnn-correct-segment-cursor
(lambda (segments)
(if (ustr-cursor-at-end? segments)
(ustr-cursor-move-backward! segments))))
(define (wnn-move-segment wc dir)
(wnn-reset-candidate-window wc)
(let ((segments (wnn-context-segments wc)))
(ustr-cursor-move! segments dir)
(wnn-correct-segment-cursor segments)))
(define (wnn-resize-segment wc cnt)
(let* ((segments (wnn-context-segments wc))
(cur-seg (ustr-cursor-pos segments)))
(wnn-reset-candidate-window wc)
(wnn-lib-resize-segment wc cur-seg cnt)
(let* ((resized-nseg (wnn-lib-get-nr-segments wc))
(latter-nseg (- resized-nseg cur-seg)))
(ustr-set-latter-seq! segments (make-list latter-nseg 0)))))
(define (wnn-move-candidate wc offset)
(let* ((segments (wnn-context-segments wc))
(cur-seg (ustr-cursor-pos segments))
(max (wnn-lib-get-nr-candidates wc cur-seg))
(n (if (< (ustr-cursor-frontside segments) 0) ;; segment-transposing
0
(+ (ustr-cursor-frontside segments) offset)))
(compensated-n (cond
((>= n max)
0)
((< n 0)
(- max 1))
(else
n)))
(new-op-count (+ 1 (wnn-context-candidate-op-count wc))))
(ustr-cursor-set-frontside! segments compensated-n)
(wnn-context-set-candidate-op-count! wc new-op-count)
(if (and
(= (wnn-context-candidate-op-count wc)
wnn-candidate-op-count)
wnn-use-candidate-window?)
(begin
(wnn-context-set-candidate-window! wc #t)
(im-activate-candidate-selector wc max wnn-nr-candidate-max)))
(if (wnn-context-candidate-window wc)
(im-select-candidate wc compensated-n))))
(define wnn-move-candidate-in-page
(lambda (wc numeralc)
(let* ((segments (wnn-context-segments wc))
(cur-seg (ustr-cursor-pos segments))
(max (wnn-lib-get-nr-candidates wc cur-seg))
(n (ustr-cursor-frontside segments))
(cur-page (if (= wnn-nr-candidate-max 0)
0
(quotient n wnn-nr-candidate-max)))
(pageidx (- (numeric-ichar->integer numeralc) 1))
(compensated-pageidx (cond
((< pageidx 0) ; pressing key_0
(+ pageidx 10))
(else
pageidx)))
(idx (+ (* cur-page wnn-nr-candidate-max) compensated-pageidx))
(compensated-idx (cond
((>= idx max)
(- max 1))
(else
idx)))
(new-op-count (+ 1 (wnn-context-candidate-op-count wc))))
(ustr-cursor-set-frontside! segments compensated-idx)
(wnn-context-set-candidate-op-count! wc new-op-count)
(im-select-candidate wc compensated-idx))))
(define (wnn-reset-candidate-window wc)
(if (wnn-context-candidate-window wc)
(begin
(im-deactivate-candidate-selector wc)
(wnn-context-set-candidate-window! wc #f)))
(wnn-context-set-candidate-op-count! wc 0))
(define wnn-rotate-segment-transposing-alnum-type
(lambda (idx state)
(cond
((and
(= idx wnn-candidate-type-halfwidth-alnum)
(= state wnn-candidate-type-halfwidth-alnum))
wnn-candidate-type-upper-halfwidth-alnum)
((and
(= idx wnn-candidate-type-fullwidth-alnum)
(= state wnn-candidate-type-fullwidth-alnum))
wnn-candidate-type-upper-fullwidth-alnum)
(else
state))))
(define wnn-set-segment-transposing
(lambda (wc key key-state)
(let ((segments (wnn-context-segments wc)))
(let ((rotate-list '())
(state #f)
(idx (ustr-cursor-frontside segments)))
(wnn-reset-candidate-window wc)
(wnn-context-set-candidate-op-count! wc 0)
(if (wnn-transpose-as-fullwidth-alnum-key? key key-state)
(set! rotate-list (cons wnn-candidate-type-fullwidth-alnum
rotate-list)))
(if (wnn-transpose-as-halfwidth-alnum-key? key key-state)
(set! rotate-list (cons wnn-candidate-type-halfwidth-alnum
rotate-list)))
(if (wnn-transpose-as-halfkana-key? key key-state)
(set! rotate-list (cons wnn-candidate-type-halfkana
rotate-list)))
(if (wnn-transpose-as-katakana-key? key key-state)
(set! rotate-list (cons wnn-candidate-type-katakana
rotate-list)))
(if (wnn-transpose-as-hiragana-key? key key-state)
(set! rotate-list (cons wnn-candidate-type-hiragana
rotate-list)))
(if (or
(= idx wnn-candidate-type-hiragana)
(= idx wnn-candidate-type-katakana)
(= idx wnn-candidate-type-halfkana)
(= idx wnn-candidate-type-halfwidth-alnum)
(= idx wnn-candidate-type-fullwidth-alnum)
(= idx wnn-candidate-type-upper-halfwidth-alnum)
(= idx wnn-candidate-type-upper-fullwidth-alnum))
(let ((lst (member idx rotate-list)))
(if (and lst
(not (null? (cdr lst))))
(set! state (car (cdr lst)))
(set! state (wnn-rotate-segment-transposing-alnum-type
idx (car rotate-list)))))
(set! state (car rotate-list)))
(ustr-cursor-set-frontside! segments state)))))
(define (wnn-proc-compose-state wc key key-state)
(cond
((wnn-prev-page-key? key key-state)
(if (wnn-context-candidate-window wc)
(im-shift-page-candidate wc #f)))
((wnn-next-page-key? key key-state)
(if (wnn-context-candidate-window wc)
(im-shift-page-candidate wc #t)))
((wnn-commit-key? key key-state)
(wnn-do-commit wc))
((wnn-extend-segment-key? key key-state)
(wnn-resize-segment wc 1))
((wnn-shrink-segment-key? key key-state)
(wnn-resize-segment wc -1))
((wnn-next-segment-key? key key-state)
(wnn-move-segment wc 1))
((wnn-prev-segment-key? key key-state)
(wnn-move-segment wc -1))
((wnn-beginning-of-preedit-key? key key-state)
(begin
(ustr-cursor-move-beginning! (wnn-context-segments wc))
(wnn-reset-candidate-window wc)))
((wnn-end-of-preedit-key? key key-state)
(begin
(ustr-cursor-move-end! (wnn-context-segments wc))
(wnn-correct-segment-cursor (wnn-context-segments wc))
(wnn-reset-candidate-window wc)))
((wnn-backspace-key? key key-state)
(wnn-cancel-conv wc))
((wnn-next-candidate-key? key key-state)
(wnn-move-candidate wc 1))
((wnn-prev-candidate-key? key key-state)
(wnn-move-candidate wc -1))
((or (wnn-transpose-as-hiragana-key? key key-state)
(wnn-transpose-as-katakana-key? key key-state)
(wnn-transpose-as-halfkana-key? key key-state)
(and
(not (= (wnn-context-input-rule wc) wnn-input-rule-kana))
(or
(wnn-transpose-as-halfwidth-alnum-key? key key-state)
(wnn-transpose-as-fullwidth-alnum-key? key key-state))))
(wnn-set-segment-transposing wc key key-state))
((wnn-cancel-key? key key-state)
(wnn-cancel-conv wc))
((and wnn-select-candidate-by-numeral-key?
(ichar-numeric? key)
(wnn-context-candidate-window wc))
(wnn-move-candidate-in-page wc key))
((and (modifier-key-mask key-state)
(not (shift-key-mask key-state)))
#f)
((symbol? key)
#f)
(else
(begin
(wnn-do-commit wc)
(wnn-proc-input-state wc key key-state)))))
(define (wnn-press-key-handler wc key key-state)
(if (ichar-control? key)
(im-commit-raw wc)
(if (wnn-context-on wc)
(if (wnn-context-transposing wc)
(wnn-proc-transposing-state wc key key-state)
(if (wnn-context-state wc)
(wnn-proc-compose-state wc key key-state)
(if (wnn-context-predicting wc)
(wnn-proc-prediction-state wc key key-state)
(wnn-proc-input-state wc key key-state))))
(wnn-proc-raw-state wc key key-state)))
(wnn-update-preedit wc))
;;;
(define (wnn-release-key-handler wc key key-state)
(if (or (ichar-control? key)
(not (wnn-context-on wc)))
(wnn-commit-raw wc)))
;;;
(define (wnn-reset-handler wc)
(if (wnn-context-on wc)
(begin
(if (wnn-context-state wc)
(wnn-lib-reset-conversion wc))
(wnn-flush wc))))
;;;
(define (wnn-get-candidate-handler wc idx ascel-enum-hint)
(let* ((cur-seg (ustr-cursor-pos (wnn-context-segments wc)))
(cand (if (wnn-context-state wc)
(wnn-lib-get-nth-candidate wc cur-seg idx)
(wnn-lib-get-nth-prediction wc idx))))
(list cand (digit->string (+ idx 1)) "")))
(define (wnn-set-candidate-index-handler wc idx)
(cond
((wnn-context-state wc)
(ustr-cursor-set-frontside! (wnn-context-segments wc) idx)
(wnn-update-preedit wc))
((wnn-context-predicting wc)
(wnn-context-set-prediction-index! wc idx)
(wnn-update-preedit wc))))
(define (wnn-proc-raw-state wc key key-state)
(if (not (wnn-begin-input wc key key-state))
(im-commit-raw wc)))
(wnn-configure-widgets)
(register-im
'wnn
"ja"
"EUC-JP"
wnn-im-name-label
wnn-im-short-desc
#f
wnn-init-handler
wnn-release-handler
context-mode-handler
wnn-press-key-handler
wnn-release-key-handler
wnn-reset-handler
wnn-get-candidate-handler
wnn-set-candidate-index-handler
context-prop-activate-handler
#f
#f
#f
#f
#f
)
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