82 lines
2.9 KiB
EmacsLisp
82 lines
2.9 KiB
EmacsLisp
;;; lrt.el --- Quail package for inputting Lao characters by LRT method -*- lexical-binding: t; -*-
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;; Copyright (C) 1998, 2001-2024 Free Software Foundation, Inc.
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;; Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
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;; 2006, 2007, 2008, 2009, 2010, 2011
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;; National Institute of Advanced Industrial Science and Technology (AIST)
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;; Registration Number H14PRO021
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;; Keywords: multilingual, input method, Lao, LRT.
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;;; Code:
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(require 'quail)
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(require 'lao-util)
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;; LRT (Lao Roman Transcription) input method accepts the following
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;; key sequence:
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;; consonant [+ semi-vowel-sign-lo ] + vowel [+ maa-sakod ] [+ tone-mark ]
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(defun quail-lrt-update-translation (control-flag)
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(if (integerp control-flag)
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;; Non-composable character typed.
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(setq quail-current-str
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(buffer-substring (overlay-start quail-overlay)
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(overlay-end quail-overlay))
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unread-command-events
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(append
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(substring quail-current-key control-flag)
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unread-command-events))
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(let ((lao-str (lao-transcribe-roman-to-lao-string quail-current-key)))
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(if (> (aref lao-str 0) 255)
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(setq quail-current-str lao-str)
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(or quail-current-str
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(setq quail-current-str quail-current-key)))))
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control-flag)
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(quail-define-package
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"lao-lrt" "Lao" "ລR" t
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"Lao input method using LRT (Lao Roman Transcription).
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`\\' (backslash) + number-key => ໐,໑,໒,... LAO DIGIT ZERO, ONE, TWO, ...
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`\\' (backslash) + `\\' => ໆ LAO KO LA (REPETITION)
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`\\' (backslash) + `$' => ຯ LAO ELLIPSIS
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"
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nil 'forget-last-selection 'deterministic 'kbd-translate 'show-layout
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nil nil nil #'quail-lrt-update-translation nil t)
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;; LRT (Lao Roman Transcription) input method accepts the following
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;; key sequence:
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;; consonant [ semi-vowel-sign-lo ] vowel [ maa-sakod ] [ tone-mark ]
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(quail-install-map
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(quail-map-from-table
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'((base-state (lao-transcription-consonant-alist . sv-state)
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lao-transcription-vowel-alist
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lao-transcription-tone-alist)
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(sv-state (lao-transcription-semi-vowel-alist . v-state)
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(lao-transcription-vowel-alist . mt-state))
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(v-state (lao-transcription-vowel-alist . mt-state))
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(mt-state (lao-transcription-maa-sakod-alist . t-state)
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lao-transcription-tone-alist)
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(t-state lao-transcription-tone-alist))))
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;;; lrt.el ends here
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