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;; vi-viqr.mim -- Input method for Vietnames with VIQR key sequence
;; Copyright (C) 2003, 2004, 2005, 2008, 2009, 2010
;; National Institute of Advanced Industrial Science and Technology (AIST)
;; Registration Number H15PRO112
;; This file is part of the m17n database; a sub-part of the m17n
;; library.
;; The m17n library is free software; you can redistribute it and/or
;; modify it under the terms of the GNU Lesser General Public License
;; as published by the Free Software Foundation; either version 2.1 of
;; the License, or (at your option) any later version.
;; The m17n library is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;; Lesser General Public License for more details.
;; You should have received a copy of the GNU Lesser General Public
;; License along with the m17n library; if not, write to the Free
;; Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
(input-method vi viqr)
(description (_"Vietnames input method using the VIQR key sequence.
Typing Backslash ('\\') toggles the normal mode and English mode.
The following variables are customizable:
tone-mark-on-last: control tone mark position in equivocal cases
backspace-is-undo: control the action of Backspace key (delete or undo)"))
(title "Ắ(VIQR)")
(variable
(tone-mark-on-last
(_"Flag to control tone mark position in equivocal cases.
If this variable is 0 (the default), put tone mark on the first vowel
in such equivocal cases as \"oa\", \"oe\", \"uy\".
Otherwise, put tone mark on the last vowel.")
0 0 1)
(backspace-is-undo
(_"Flag to control the action of Backspace key (delete or undo).
If this variable is 0 (the default), Backspace key deletes the previous
character (e.g. \"q u a i s BS\" => \"quá\").
If the value is 1, Backspace key undoes the previous key
\(e.g. \"q u a i s BS\" => \"quai\").")
0 0 1))
(include (t nil vi-base) macro)
(include (t nil vi-base) map)
(map
(vowel-ext
("a^" ("âấầẩẫậ")) ("A^" ("ÂẤẦẨẪẬ"))
("a(" ("ăắằẳẵặ")) ("A(" ("ĂẮẰẲẴẶ"))
("e^" ("êếềểễệ")) ("E^" ("ÊẾỀỂỄỆ"))
("o^" ("ôốồổỗộ")) ("O^" ("ÔỐỒỔỖỘ"))
("o+" ("ơớờởỡợ")) ("O+" ("ƠỚỜỞỠỢ"))
("u+" ("ưứừửữự")) ("U+" ("ƯỨỪỬỮỰ")))
(consonant-ext
("dd" ?đ) ("DD" ?Đ) ("Dd" ?Đ))
(tone-mark
("0" (set SELECT 0) ?0)
("'" (set SELECT 1) ?')
("`" (set SELECT 2) ?`)
("?" (set SELECT 3) ??)
("~" (set SELECT 4) ?~)
("." (set SELECT 5) ?.))
(temporary-escape
("a^^" "a^") ("A^^" "A^")
("a((" "a(") ("A((" "A(")
("e^^" "e^") ("E^^" "E^")
("o^^" "o^") ("O^^" "O^")
("o++" "o+") ("O++" "O+")
("u++" "u+") ("U++" "U+")))
(state
(init
;; Initialize variables. C is the initial consonant. V-N is the
;; (N-1)th vowel from the last. C-AFTER-V is a number of consonants
;; typed after vowel. NST is 1 iff surrounding text is not supported.
(t (set C @-1) (set V-1 0) (set V-2 0) (set V-3 0) (set C-AFTER-V 0)
(set SELECT 0) (set NST (= @-0 -2)))
(consonant (set C @-1) (cond (NST (shift after-c))))
(consonant-ext (set C @-1) (cond (NST (shift after-c))))
;; Mark M remembers the preedit position after the last vowel.
(vowel (mark M) (set V-2 V-1) (set V-1 @-1) (shift after-v))
(vowel-ext (mark M) (set V-2 V-1) (set V-1 @-1) (shift after-v))
(temporary-escape (shift temporary-escape))
(permanent-escape (shift escape-in-normal-mode)))
;; The state shifted to when an initial consonants is typed and
;; surrounding text is not supported.
(after-c
(vowel (mark M) (set V-2 V-1) (set V-1 @-1) (shift after-v))
(vowel-ext (mark M) (set V-2 V-1) (set V-1 @-1) (shift after-v)))
;; The state shifted to when a vowel is typed.
(after-v
(consonant (shift after-vc))
(consonant-ext (shift after-vc))
(vowel (mark M) (set V-3 V-2) (set V-2 V-1) (set V-1 @-1)
(move T) (select 0) (handle-mark) (move M))
(vowel-ext (mark M) (set V-3 V-2) (set V-2 V-1) (set V-1 @-1)
(move T) (select 0) (handle-mark) (move M))
(tone-mark (delete @-) (pushback 1) (shift after-t))
(backspace (delete @-)
(cond (V-3 (set V-1 V-2) (set V-2 V-3) (set V-3 0)
(cond ((> TPLACE 2) (set SELECT 0))))
(V-2 (set V-1 V-2) (set V-2 0)
(cond ((> TPLACE 1) (set SELECT 0))))
(1 (shift init)))))
;; The state shifted to when a consonant is typed after a vowel.
(after-vc
(t (set C-AFTER-V 1))
(consonant (add C-AFTER-V 1))
(consonant-ext (add C-AFTER-V 1))
(tone-mark (delete @-) (pushback 1) (shift after-t))
(backspace (delete @-)
(sub C-AFTER-V 1)
(cond ((= C-AFTER-V 0) (shift after-v)))))
;; The state shifted to when a tone-mark is typed.
(after-t
(t (set CURRENT-SELECT -1))
(tone-mark (cond ((= CURRENT-SELECT SELECT) (move T) (select 0) (move @>)
(shift temporary-escape))
(1 (delete @-) (handle-mark) (set CURRENT-SELECT SELECT))))
(nil (cond (C-AFTER-V (shift after-vc))
(1 (shift after-v)))))
(temporary-escape
"en"
(t (commit))
(alnum (commit)))
(escape-in-normal-mode
"EN"
(permanent-escape (insert "\\") (shift init))
;; Any other key force shifting to permanent-escape.
(nil (shift permanent-escape)))
(permanent-escape
"EN"
(t (set ESCAPE 1))
(permanent-escape (shift escape-in-permanent-escape))
;; Unhandle any characters.
(nil (unhandle)))
(escape-in-permanent-escape
"Ắ"
(permanent-escape (insert "\\") (commit) (shift permanent-escape))
;; Any other key force shifting to init
))
;; Local Variables:
;; coding: utf-8
;; mode: lisp
;; End: