1 /* |
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2 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 /* |
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27 * |
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28 * (C) Copyright IBM Corp. 2000 - All Rights Reserved |
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29 * |
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30 * The original version of this source code and documentation is |
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31 * copyrighted and owned by IBM. These materials are provided |
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32 * under terms of a License Agreement between IBM and Sun. |
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33 * This technology is protected by multiple US and International |
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34 * patents. This notice and attribution to IBM may not be removed. |
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35 * |
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36 */ |
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37 |
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38 package com.sun.inputmethods.internal.thaiim; |
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39 |
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40 import java.awt.im.InputMethodRequests; |
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41 import java.awt.im.spi.InputMethodContext; |
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42 |
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43 import java.awt.Toolkit; |
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44 import java.awt.event.KeyEvent; |
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45 import java.awt.event.InputMethodEvent; |
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46 import java.awt.font.TextAttribute; |
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47 import java.awt.font.TextHitInfo; |
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48 |
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49 import java.text.AttributedCharacterIterator; |
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50 import java.text.AttributedString; |
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51 |
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52 class ThaiInputMethodImpl { |
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53 |
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54 private static final char[] keyboardMap = { |
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55 /* 00 */ '\u0000', |
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56 /* 01 */ '\u0001', |
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57 /* 02 */ '\u0002', |
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58 /* 03 */ '\u0003', |
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59 /* 04 */ '\u0004', |
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60 /* 05 */ '\u0005', |
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61 /* 06 */ '\u0006', |
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62 /* 07 */ '\u0007', |
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63 /* 08 */ '\u0008', |
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64 /* 09 */ '\u0009', |
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65 /* 0A */ '\012', |
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66 /* 0B */ '\u000B', |
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67 /* 0C */ '\u000C', |
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68 /* 0D */ '\015', |
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69 /* 0E */ '\u000E', |
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70 /* 0F */ '\u000F', |
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71 /* 10 */ '\u0010', |
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72 /* 11 */ '\u0011', |
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73 /* 12 */ '\u0012', |
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74 /* 13 */ '\u0013', |
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75 /* 14 */ '\u0014', |
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76 /* 15 */ '\u0015', |
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77 /* 16 */ '\u0016', |
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78 /* 17 */ '\u0017', |
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79 /* 18 */ '\u0018', |
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80 /* 19 */ '\u0019', |
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81 /* 1A */ '\u001A', |
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82 /* 1B */ '\u001B', |
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83 /* 1C */ '\u001C', |
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84 /* 1D */ '\u001D', |
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85 /* 1E */ '\u001E', |
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86 /* 1F */ '\u001F', |
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87 /* 20 */ '\u0020', |
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88 /* 21 */ '\u0e45', // '!' |
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89 /* 22 */ '\u002e', // '"' |
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90 /* 23 */ '\u0e52', // '#' |
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91 /* 24 */ '\u0e53', // '$' |
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92 /* 25 */ '\u0e54', // '%' |
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93 /* 26 */ '\u0e4e', // '&' |
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94 /* 27 */ '\u0e07', // ''' |
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95 /* 28 */ '\u0e56', // '(' |
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96 /* 29 */ '\u0e57', // ')' |
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97 /* 2A */ '\u0e55', // '*' |
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98 /* 2B */ '\u0e59', // '+' |
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99 /* 2C */ '\u0e21', // ',' |
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100 /* 2D */ '\u0e02', // '-' |
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101 /* 2E */ '\u0e43', // '.' |
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102 /* 2F */ '\u0e1d', // '/' |
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103 /* 30 */ '\u0e08', // '0' |
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104 /* 31 */ '\u0e3f', // '1' |
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105 /* 32 */ '\u002f', // '2' |
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106 /* 33 */ '\u002d', // '3' |
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107 /* 34 */ '\u0e20', // '4' |
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108 /* 35 */ '\u0e16', // '5' |
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109 /* 36 */ '\u0e38', // '6' |
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110 /* 37 */ '\u0e36', // '7' |
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111 /* 38 */ '\u0e04', // '8' |
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112 /* 39 */ '\u0e15', // '9' |
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113 /* 3A */ '\u0e0b', // ':' |
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114 /* 3B */ '\u0e27', // ';' |
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115 /* 3C */ '\u0e12', // '<' |
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116 /* 3D */ '\u0e0a', // '=' |
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117 /* 3E */ '\u0e2c', // '>' |
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118 /* 3F */ '\u0e26', // '?' |
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119 /* 40 */ '\u0e51', // '@' |
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120 /* 41 */ '\u0e24', // 'A' |
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121 /* 42 */ '\u0e3a', // 'B' |
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122 /* 43 */ '\u0e09', // 'C' |
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123 /* 44 */ '\u0e0f', // 'D' |
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124 /* 45 */ '\u0e0e', // 'E' |
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125 /* 46 */ '\u0e42', // 'F' |
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126 /* 47 */ '\u0e0c', // 'G' |
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127 /* 48 */ '\u0e47', // 'H' |
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128 /* 49 */ '\u0e13', // 'I' |
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129 /* 4A */ '\u0e4b', // 'J' |
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130 /* 4B */ '\u0e29', // 'K' |
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131 /* 4C */ '\u0e28', // 'L' |
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132 /* 4D */ '\u003f', // 'M' |
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133 /* 4E */ '\u0e4c', // 'N' |
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134 /* 4F */ '\u0e2f', // 'O' |
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135 /* 50 */ '\u0e0d', // 'P' |
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136 /* 51 */ '\u0e50', // 'Q' |
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137 /* 52 */ '\u0e11', // 'R' |
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138 /* 53 */ '\u0e06', // 'S' |
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139 /* 54 */ '\u0e18', // 'T' |
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140 /* 55 */ '\u0e4a', // 'U' |
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141 /* 56 */ '\u0e2e', // 'V' |
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142 /* 57 */ '\u0022', // 'W' |
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143 /* 58 */ '\u0029', // 'X' |
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144 /* 59 */ '\u0e4d', // 'Y' |
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145 /* 5A */ '\u0028', // 'Z' |
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146 /* 5B */ '\u0e1a', // '[' |
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147 /* 5C */ '\u0e05', // '\' |
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148 /* 5D */ '\u0e25', // ']' |
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149 /* 5E */ '\u0e39', // '^' |
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150 /* 5F */ '\u0e58', // '_' |
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151 /* 60 */ '\u0e4f', // '`' |
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152 /* 61 */ '\u0e1f', // 'a' |
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153 /* 62 */ '\u0e34', // 'b' |
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154 /* 63 */ '\u0e41', // 'c' |
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155 /* 64 */ '\u0e01', // 'd' |
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156 /* 65 */ '\u0e33', // 'e' |
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157 /* 66 */ '\u0e14', // 'f' |
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158 /* 67 */ '\u0e40', // 'g' |
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159 /* 68 */ '\u0e49', // 'h' |
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160 /* 69 */ '\u0e23', // 'i' |
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161 /* 6A */ '\u0e48', // 'j' |
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162 /* 6B */ '\u0e32', // 'k' |
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163 /* 6C */ '\u0e2a', // 'l' |
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164 /* 6D */ '\u0e17', // 'm' |
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165 /* 6E */ '\u0e37', // 'n' |
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166 /* 6F */ '\u0e19', // 'o' |
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167 /* 70 */ '\u0e22', // 'p' |
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168 /* 71 */ '\u0e46', // 'q' |
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169 /* 72 */ '\u0e1e', // 'r' |
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170 /* 73 */ '\u0e2b', // 's' |
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171 /* 74 */ '\u0e30', // 't' |
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172 /* 75 */ '\u0e35', // 'u' |
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173 /* 76 */ '\u0e2d', // 'v' |
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174 /* 77 */ '\u0e44', // 'w' |
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175 /* 78 */ '\u0e1b', // 'x' |
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176 /* 79 */ '\u0e31', // 'y' |
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177 /* 7A */ '\u0e1c', // 'z' |
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178 /* 7B */ '\u0e10', // '{' |
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179 /* 7C */ '\u0e03', // '|' |
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180 /* 7D */ '\u002c', // '}' |
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181 /* 7E */ '\u0e5b', // '~' |
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182 /* 7F */ '\u007F' // |
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183 }; |
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184 |
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185 // cached TextHitInfo. Only one type of TextHitInfo is required. |
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186 private static final TextHitInfo ZERO_TRAILING_HIT_INFO = TextHitInfo.trailing(0); |
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187 |
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188 private ThaiRules rules; |
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189 |
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190 /** |
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191 * Returns the equivalent character for thai locale. |
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192 * @param originalChar The original character. |
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193 */ |
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194 private char getMappedChar( char originalChar ) |
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195 { |
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196 if (originalChar <= keyboardMap.length) { |
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197 return keyboardMap[originalChar]; |
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198 } |
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199 |
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200 return originalChar; |
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201 }//getMappedChar() |
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202 |
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203 private InputMethodContext context; |
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204 |
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205 void setInputMethodContext(InputMethodContext context) { |
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206 this.context = context; |
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207 rules = new ThaiRules((InputMethodRequests)context); |
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208 } |
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209 |
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210 void handleKeyTyped(KeyEvent kevent) { |
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211 char keyChar = kevent.getKeyChar(); |
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212 char currentChar = getMappedChar(keyChar); |
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213 if (!Character.UnicodeBlock.THAI.equals(Character.UnicodeBlock.of(currentChar))) { |
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214 // don't care |
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215 return; |
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216 } else if (rules.isInputValid(currentChar)) { |
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217 Character tmp = new Character(currentChar); |
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218 String tmp2 = tmp.toString(); |
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219 context.dispatchInputMethodEvent(InputMethodEvent.INPUT_METHOD_TEXT_CHANGED, |
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220 (new AttributedString(tmp2)).getIterator(), |
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221 1, |
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222 ZERO_TRAILING_HIT_INFO, |
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223 ZERO_TRAILING_HIT_INFO); |
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224 } else { |
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225 // input sequence is not allowed |
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226 Toolkit.getDefaultToolkit().beep(); |
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227 } |
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228 |
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229 kevent.consume();// prevent client from getting this event. |
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230 return; |
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231 }//dispatchEvent() |
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232 |
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233 void endComposition() { |
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234 }//endComposition() |
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235 } |
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