1 ;; th-pattachote.mim -- Thai input method with Pattachote keyboard layout
2 ;; Copyright (C) 2006, 2007
3 ;; National Institute of Advanced Industrial Science and Technology (AIST)
4 ;; Registration Number H15PRO112
6 ;; This file is part of the m17n database; a sub-part of the m17n
9 ;; The m17n library is free software; you can redistribute it and/or
10 ;; modify it under the terms of the GNU Lesser General Public License
11 ;; as published by the Free Software Foundation; either version 2.1 of
12 ;; the License, or (at your option) any later version.
14 ;; The m17n library is distributed in the hope that it will be useful,
15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 ;; Lesser General Public License for more details.
19 ;; You should have received a copy of the GNU Lesser General Public
20 ;; License along with the m17n library; if not, write to the Free
21 ;; Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
24 (input-method th pattachote)
26 (description "Thai input method simulating the Pattachote keyboard
27 with WTT 2.0 input sequence correction.
28 The correction algorithm follows the one shown in the following
29 <http://linux.thai.net/~thep/th-xim/>
35 (level (_"Acceptance level
36 The level of character sequence acceptance defined in WTT 2.0.
37 0 accepts any key sequence. 2 accepts only orthographic ones.
38 1 is somewhere between.")
41 (include (th kesmanee) macro)
158 ((= ret 1)) ;; CP(y,z) succeeded.
162 ((= ret 1)) ;; AC(y,z) succeeded.
164 ;; WTT-based input sequence correction starts here.
198 ;; elif y is FV1 and z is TONE then
199 ((& (| (= y 0x0E30) (= y 0x0E32) (= y 0x0E33))
223 ;; Only Thai characters should be replaced.
224 (& (>= y 0x0E01) (<= y 0x0E5B))
225 (& (>= z 0x0E01) (<= z 0x0E5B)))
242 ;; Now we commit the preedit chars that are fixed.
245 ;; If surrounding text is supported, commit the only char in preedit.
249 ;; If the last char is CTRL or NON, we can commit everything.
250 ((| (& (>= w 0x0000) (<= w 0x0E00))
257 ;; If the last char is CONS, we can commit everything but the last
258 ;; unless the second last is FV3.
259 ((| (& (>= w 0x0E01) (<= w 0x0E23))
261 (& (>= w 0x0E27) (<= w 0x0E2E)))
263 ((| (= @-2 0x0E24) (= @-2 0x0E26))
271 ;; If the last char is LV, FV2 or FV3, we can commit
272 ;; everything but the last.
273 ((| (& (>= w 0x0E40) (<= w 0x0E45))
280 ;; If the last char is FV1 (excluding AM) and ...
281 ((| (= w 0x0E30) (= w 0x0E32))
286 ;; ... the before last is CONS, we can commit other than the
288 ((| (& (>= v 0x0E01) (<= v 0x0E23))
290 (& (>= v 0x0E27) (<= v 0x0E2E)))
296 ;; ... else if the before last is not CONS, we can commit
297 ;; everything but the last.