1 /* |
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2 * Copyright (c) 2002-2004 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0"" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * Provides the TAknFepUIIndicInputManager methods. |
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16 * |
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17 */ |
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18 |
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19 |
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20 |
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21 |
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22 |
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23 |
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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 |
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29 #include "AknFepUiIndicInputManager.h" |
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30 // ----------------------------------------------------------------------------- |
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31 // TAknFepUiIndicInputManager::ValidateInput |
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32 |
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33 // This function validates the input text given by PtiEngine. This function |
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34 // returns the resopnse code depending on the previous character, current input |
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35 // character and the next character. Depending on the response code apropriate |
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36 // action is taken for inputting the current inputed character. This function |
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37 // incorporates the logic for Devanagari alphabate input. |
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38 // ----------------------------------------------------------------------------- |
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39 |
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40 |
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41 TIndicInputResponse TAknFepUiIndicInputManager::ValidateInput( TInt aKey, |
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42 TUint aPrevChar, |
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43 TUint aCurrChar, |
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44 TUint /*aNextChar*/, |
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45 TBool& aIsHalantOrMatraAllowed, |
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46 TBool aIsStarKeyPressed, |
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47 TBool aIsKeyTimerExpired, |
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48 TPtiTextCase& aNewCase, |
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49 TKeyPressLength /*aLength*/, |
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50 TLanguage aLanguage, |
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51 TBool aIsRakarPresent /* = EFalse*/, |
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52 TBool aIsZWSPresent /* = EFalse */ |
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53 #ifdef RD_MARATHI |
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54 , TBool aIsChandraAPresent /* = EFalse */ |
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55 #endif // RD_MARATHI |
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56 ) |
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57 |
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58 { |
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59 TIndicInputResponse keyResponse = EIndicInputResponseNone; |
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60 |
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61 TPtiTextCase setcase = EPtiCaseLower; |
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62 |
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63 TAknFepUiIndicInputManager::SetHalantOrMatraAllowed( aPrevChar, |
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64 aIsHalantOrMatraAllowed, |
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65 aIsKeyTimerExpired, |
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66 aLanguage ); |
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67 |
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68 switch( aKey ) |
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69 { |
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70 case EPtiKey1: |
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71 { |
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72 if( IsCharNukta( aCurrChar, aLanguage ) && |
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73 ( IsCharNuktaConsonant( aPrevChar, aLanguage ) || |
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74 !IsCharBaseConsonant( aPrevChar, aLanguage ) ) ) |
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75 { |
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76 keyResponse = EIndicInputResponseInvalid; |
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77 } |
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78 #ifdef RD_MARATHI |
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79 else if( IsCharEyeLashRa( aCurrChar, aLanguage ) ) |
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80 { |
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81 keyResponse = EIndicInputResponseInsertEyeLashRa; |
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82 } |
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83 #endif // RD_MARATHI |
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84 |
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85 else if ( IsCharEmpty( aPrevChar, aLanguage ) ) |
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86 { |
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87 // The special characters present in key-1 have to be |
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88 // allowed. So the response is not set to digit directly |
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89 // But at the same time, skip the fallback modifiers. |
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90 if( IsCharModifier( aCurrChar, aLanguage ) ) |
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91 { |
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92 keyResponse = EIndicInputResponseInvalid; |
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93 } |
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94 } |
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95 else if( IsCharRakar( aCurrChar, aLanguage ) ) |
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96 { |
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97 if( aIsHalantOrMatraAllowed ) |
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98 { |
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99 keyResponse = EIndicInputResponseInsertRakar; |
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100 } |
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101 else |
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102 { |
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103 keyResponse = EIndicInputResponseInvalid; |
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104 } |
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105 } |
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106 else if( IsCharRepha( aCurrChar, aLanguage ) ) |
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107 { |
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108 if( IsRephaAllowed( aPrevChar, aLanguage ) || |
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109 ( aIsRakarPresent && !aIsKeyTimerExpired ) ) |
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110 { |
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111 keyResponse = EIndicInputResponseInsertRepha; |
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112 } |
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113 else |
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114 { |
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115 keyResponse = EIndicInputResponseInvalid; |
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116 } |
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117 } |
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118 else if ( IsCharOther( aPrevChar, aLanguage ) |
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119 || IsCharVirama( aPrevChar, aLanguage ) ) |
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120 { |
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121 // Since the response cannot be set to digit |
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122 // directly here, validate the modifiers first. |
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123 if( IsCharModifier( aCurrChar, aLanguage ) ) |
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124 { |
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125 if( !IsModifierAllowed( aPrevChar, aLanguage ) ) |
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126 { |
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127 keyResponse = EIndicInputResponseInvalid; |
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128 } |
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129 } |
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130 } |
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131 else if ( IsCharModifier( aPrevChar, aLanguage ) ) |
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132 { |
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133 // Unlike in earlier code, the response cannot be set to |
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134 // Digit directly here. The special characters present in |
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135 // key-1 have to be allowed. As a result, the fallback |
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136 // modifiers need to be skipped. |
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137 if( IsCharModifier( aCurrChar, aLanguage ) ) |
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138 { |
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139 if( !IsModifierAllowed( aPrevChar, aLanguage ) ) |
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140 { |
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141 keyResponse = EIndicInputResponseInvalid; |
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142 } |
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143 } |
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144 else |
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145 { |
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146 if ( ! aIsHalantOrMatraAllowed ) |
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147 { |
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148 setcase = EPtiCaseUpper; |
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149 } |
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150 else if ( IsCharVirama( aCurrChar, aLanguage ) ) |
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151 { |
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152 keyResponse = EIndicInputResponseInsertZWS; |
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153 } |
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154 } |
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155 } |
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156 #ifdef RD_MARATHI |
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157 else if( IsCharVirama( aCurrChar, aLanguage ) && |
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158 aIsHalantOrMatraAllowed ) |
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159 { |
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160 keyResponse = EIndicInputResponseInsertZWS; |
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161 } |
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162 #endif // RD_MARATHI |
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163 |
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164 // In cases where the response cannot be set to digit directly, |
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165 // each character in key-1 has to be validated. Example in an |
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166 // Here we validate the Virama, Rakara and Repha |
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167 if( IsCharVirama( aCurrChar, aLanguage ) ) |
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168 { |
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169 if( keyResponse != EIndicInputResponseInsertZWS ) |
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170 { |
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171 keyResponse = EIndicInputResponseInvalid; |
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172 } |
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173 } |
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174 else if( IsCharRakar( aCurrChar, aLanguage ) ) |
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175 { |
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176 if( keyResponse != EIndicInputResponseInsertRakar ) |
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177 { |
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178 keyResponse = EIndicInputResponseInvalid; |
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179 } |
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180 } |
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181 else if( IsCharRepha( aCurrChar, aLanguage ) ) |
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182 { |
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183 // In case of empty editor, all the modifiers, virama |
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184 // and rakar will be skipped. Even the Repha is to be skipped |
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185 if( keyResponse != EIndicInputResponseInsertRepha ) |
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186 { |
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187 keyResponse = EIndicInputResponseInvalid; |
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188 } |
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189 } |
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190 } |
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191 break; |
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192 |
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193 case EPtiKey2: |
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194 case EPtiKey3: |
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195 { |
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196 if ( IsCharEmpty( aPrevChar, aLanguage ) |
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197 || IsCharAnVowel( aPrevChar, aLanguage ) |
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198 || IsCharModifier( aPrevChar, aLanguage ) |
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199 #ifdef RD_MARATHI |
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200 || ( aIsChandraAPresent && !aIsKeyTimerExpired ) |
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201 #endif // RD_MARATHI |
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202 ) |
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203 { |
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204 setcase = EPtiCaseUpper; |
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205 } |
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206 else if( IsCharVirama( aPrevChar, aLanguage ) ) |
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207 { |
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208 setcase = EPtiCaseUpper; |
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209 |
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210 // Response code changed to EIndicInputResponseNone to avoid |
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211 // insertion of ZWS character for Vowels. |
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212 keyResponse = EIndicInputResponseNone; |
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213 } |
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214 else if ( IsCharOther( aPrevChar, aLanguage ) ) |
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215 { |
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216 if ( aIsKeyTimerExpired || IsCharSpace( aPrevChar ) || ( ! aIsHalantOrMatraAllowed ) ) |
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217 { |
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218 setcase = EPtiCaseUpper; |
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219 } |
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220 } |
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221 else if ( IsCharMatra( aPrevChar, aLanguage ) ) |
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222 { |
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223 if ( aIsKeyTimerExpired ) |
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224 { |
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225 setcase = EPtiCaseUpper; |
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226 } |
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227 } |
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228 else if ( IsCharBaseConsonant( aPrevChar, aLanguage ) |
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229 || IsCharNukta( aPrevChar, aLanguage ) ) |
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230 { |
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231 if ( aIsStarKeyPressed ) |
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232 { |
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233 setcase = EPtiCaseUpper; |
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234 } |
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235 } |
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236 #ifdef RD_MARATHI |
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237 if( IsCharChandraA( aCurrChar ) ) |
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238 { |
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239 keyResponse = EIndicInputResponseInsertChandraA; |
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240 } |
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241 #endif // RD_MARATHI |
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242 } |
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243 break; |
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244 |
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245 case EPtiKey4: |
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246 case EPtiKey5: |
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247 case EPtiKey6: |
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248 case EPtiKey7: |
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249 case EPtiKey8: |
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250 case EPtiKey9: |
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251 { |
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252 if ( aIsStarKeyPressed ) |
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253 { |
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254 if( IsCharBaseConsonant( aCurrChar, aLanguage ) |
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255 && ( IsCharBaseConsonant( aPrevChar, aLanguage ) || |
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256 IsCharNukta( aPrevChar, aLanguage ) ) ) |
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257 { |
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258 keyResponse = EIndicInputResponseInsertZWSandLigature; |
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259 } |
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260 else if( IsCharBaseConsonant( aCurrChar, aLanguage ) |
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261 && IsCharVirama( aPrevChar, aLanguage ) ) |
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262 { |
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263 keyResponse = EIndicInputResponseZWSandCharacter; |
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264 } |
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265 } |
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266 else if( IsCharVirama( aPrevChar, aLanguage ) ) |
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267 { |
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268 keyResponse = EIndicInputResponseZWSandCharacter; |
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269 } |
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270 } |
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271 break; |
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272 |
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273 case EPtiKey0: |
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274 { |
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275 // Special ligatures added in key-0. |
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276 if( IsCharLigature( aCurrChar, aLanguage ) ) |
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277 { |
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278 if ( aIsStarKeyPressed && |
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279 IsCharBaseConsonant( aPrevChar, aLanguage ) ) |
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280 { |
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281 keyResponse = EIndicInputResponseInsertViramaZWSandDirectLigature; |
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282 } |
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283 else if( IsCharVirama( aPrevChar, aLanguage ) && |
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284 IsCharAtStartOfLigature( aCurrChar, aLanguage ) && |
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285 !aIsZWSPresent ) |
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286 { |
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287 keyResponse = EIndicInputResponseZWSandDirectLigature; |
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288 } |
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289 else |
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290 { |
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291 keyResponse = EIndicInputResponseInsertDirectLigature; |
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292 } |
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293 } |
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294 } |
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295 break; |
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296 |
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297 default: |
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298 { |
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299 keyResponse = EIndicInputResponseIgnore; |
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300 } |
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301 break; |
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302 |
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303 } |
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304 aNewCase = setcase; |
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305 return keyResponse; |
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306 } |
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307 |
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308 |
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309 |
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310 // ----------------------------------------------------------------------------- |
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311 // TAknFepUiIndicInputManager::IsCharOther |
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312 |
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313 // This function checks for wheather the character is other character. The other |
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314 // character includes numbers, character of other languages and spaces. |
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315 // ----------------------------------------------------------------------------- |
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316 |
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317 TBool TAknFepUiIndicInputManager::IsCharOther( TUint aChar, TLanguage aLanguage ) |
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318 { |
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319 TBool result = EFalse; |
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320 |
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321 switch( aLanguage ) |
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322 { |
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323 case ELangMarathi: |
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324 case ELangHindi: |
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325 #ifdef RD_HINDI_PHONETIC_INPUT |
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326 |
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327 case KLangHindiPhonetic: |
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328 #endif |
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329 { |
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330 if ( !( IsCharBaseConsonant( aChar, aLanguage ) |
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331 || IsCharNukta( aChar, aLanguage ) |
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332 || IsCharMatra( aChar, aLanguage ) |
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333 || IsCharAnVowel( aChar, aLanguage ) |
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334 || IsCharModifier( aChar, aLanguage ) |
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335 || IsCharVirama( aChar, aLanguage ) |
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336 || IsCharRakar( aChar, aLanguage ) |
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337 || IsCharRepha( aChar, aLanguage ) |
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338 || IsCharLigature( aChar, aLanguage ) |
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339 #ifdef RD_MARATHI |
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340 || IsCharEyeLashRa( aChar, aLanguage ) |
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341 || IsCharChandraA( aChar ) |
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342 #endif |
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343 ) ) |
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344 { |
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345 result = ETrue; |
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346 } |
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347 } |
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348 break; |
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349 default: /*Other Language*/ |
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350 break; |
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351 } |
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352 return( result ); |
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353 } |
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354 |
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355 // ----------------------------------------------------------------------------- |
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356 // TAknFepUiIndicInputManager::IsCharEmpty |
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357 |
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358 // This function checks wheather the character is null |
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359 // ----------------------------------------------------------------------------- |
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360 |
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361 TBool TAknFepUiIndicInputManager::IsCharEmpty( TUint aChar, TLanguage aLanguage ) |
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362 { |
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363 TBool result = EFalse; |
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364 |
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365 switch( aLanguage ) |
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366 { |
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367 case ELangMarathi: |
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368 case ELangHindi: |
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369 #ifdef RD_HINDI_PHONETIC_INPUT |
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370 case KLangHindiPhonetic: |
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371 #endif |
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372 { |
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373 if ( aChar == 0 ) |
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374 { |
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375 result = ETrue; |
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376 } |
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377 } |
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378 break; |
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379 default: /*Other Language*/ |
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380 break; |
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381 } |
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382 return( result ); |
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383 } |
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384 |
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385 |
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386 // ----------------------------------------------------------------------------- |
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387 // TAknFepUiIndicInputManager::IsCharBaseConsonant |
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388 |
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389 // This function checks wheather the character is base consonant |
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390 // ----------------------------------------------------------------------------- |
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391 |
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392 TBool TAknFepUiIndicInputManager::IsCharBaseConsonant( TUint aChar, TLanguage aLanguage ) |
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393 { |
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394 TBool result = EFalse; |
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395 |
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396 switch( aLanguage ) |
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397 { |
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398 case ELangMarathi: |
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399 case ELangHindi: |
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400 #ifdef RD_HINDI_PHONETIC_INPUT |
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401 case KLangHindiPhonetic: |
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402 #endif |
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403 { |
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404 if ( ( aChar >= 0x0915 && aChar <= 0x0939 ) |
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405 ||( aChar >= 0x0958 && aChar <= 0x095F ) ) |
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406 { |
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407 result = ETrue; |
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408 } |
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409 } |
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410 break; |
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411 default: /*Other Language*/ |
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412 break; |
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413 } |
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414 return( result ); |
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415 } |
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416 |
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417 |
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418 // ----------------------------------------------------------------------------- |
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419 // TAknFepUiIndicInputManager::IsCharNukta |
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420 |
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421 // This function checks wheather the character is Nukta. |
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422 // ----------------------------------------------------------------------------- |
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423 |
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424 TBool TAknFepUiIndicInputManager::IsCharNukta( TUint aChar, TLanguage aLanguage ) |
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425 { |
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426 TBool result = EFalse; |
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427 |
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428 switch( aLanguage ) |
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429 { |
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430 case ELangMarathi: |
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431 case ELangHindi: |
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432 #ifdef RD_HINDI_PHONETIC_INPUT |
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433 case KLangHindiPhonetic: |
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434 #endif |
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435 { |
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436 if ( aChar == 0x093C ) |
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437 { |
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438 result = ETrue; |
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439 } |
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440 } |
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441 break; |
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442 default: /*Other Language*/ |
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443 break; |
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444 } |
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445 |
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446 return( result ); |
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447 } |
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448 |
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449 // ----------------------------------------------------------------------------- |
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450 // TAknFepUiIndicInputManager::IsCharMatra |
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451 |
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452 // This function checks wheather the character is Nukta. |
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453 // ----------------------------------------------------------------------------- |
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454 |
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455 TBool TAknFepUiIndicInputManager::IsCharMatra( TUint aChar, TLanguage aLanguage ) |
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456 { |
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457 TBool result = EFalse; |
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458 |
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459 switch( aLanguage ) |
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460 { |
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461 case ELangMarathi: |
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462 case ELangHindi: |
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463 #ifdef RD_HINDI_PHONETIC_INPUT |
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464 case KLangHindiPhonetic: |
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465 #endif |
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466 { |
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467 if ( ( aChar >= 0x093E && aChar <= 0x094C ) |
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468 ||( aChar == 0x0962 || aChar == 0x0963 ) ) |
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469 { |
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470 result = ETrue; |
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471 } |
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472 } |
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473 break; |
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474 default: /*Other Language*/ |
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475 break; |
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476 } |
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477 return( result ); |
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478 } |
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479 |
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480 // ----------------------------------------------------------------------------- |
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481 // TAknFepUiIndicInputManager::IsCharAnVowel |
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482 |
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483 // This function checks for wheather the character is Nukta. |
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484 // ----------------------------------------------------------------------------- |
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485 |
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486 TBool TAknFepUiIndicInputManager::IsCharAnVowel( TUint aChar, TLanguage aLanguage ) |
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487 { |
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488 TBool result = EFalse; |
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489 |
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490 switch( aLanguage ) |
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491 { |
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492 case ELangMarathi: |
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493 case ELangHindi: |
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494 #ifdef RD_HINDI_PHONETIC_INPUT |
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495 case KLangHindiPhonetic: |
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496 #endif |
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497 { |
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498 if ( ( aChar>=0x0904 && aChar<=0x0914 ) |
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499 ||( aChar==0x0960 || aChar==0x0961 ) ) |
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500 { |
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501 result = ETrue; |
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502 } |
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503 } |
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504 break; |
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505 default: /*Other Language*/ |
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506 break; |
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507 } |
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508 return( result ); |
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509 } |
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510 |
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511 // ----------------------------------------------------------------------------- |
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512 // TAknFepUiIndicInputManager::IsCharModifier |
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513 |
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514 // This function checks wheather the character is Modifier. |
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515 // ----------------------------------------------------------------------------- |
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516 |
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517 TBool TAknFepUiIndicInputManager::IsCharModifier( TUint aChar, TLanguage aLanguage ) |
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518 { |
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519 TBool result = EFalse; |
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520 |
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521 switch( aLanguage ) |
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522 { |
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523 case ELangMarathi: |
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524 case ELangHindi: |
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525 #ifdef RD_HINDI_PHONETIC_INPUT |
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526 case KLangHindiPhonetic: |
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527 #endif |
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528 { |
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529 if ( aChar>= 0x0901 && aChar <= 0x0903 ) |
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530 { |
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531 result = ETrue; |
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532 } |
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533 } |
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534 break; |
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535 default: /*Other Language*/ |
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536 break; |
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537 } |
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538 |
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539 return( result ); |
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540 } |
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541 |
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542 // ----------------------------------------------------------------------------- |
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543 // TAknFepUiIndicInputManager::IsCharVirama |
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544 |
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545 // This function checks wheather the character is Halant. |
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546 // ----------------------------------------------------------------------------- |
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547 |
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548 |
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549 TBool TAknFepUiIndicInputManager::IsCharVirama( TUint aChar, TLanguage aLanguage ) |
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550 { |
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551 TBool result = EFalse; |
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552 |
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553 switch( aLanguage ) |
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554 { |
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555 case ELangMarathi: |
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556 case ELangHindi: |
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557 #ifdef RD_HINDI_PHONETIC_INPUT |
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558 |
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559 case KLangHindiPhonetic: |
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560 #endif |
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561 { |
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562 if ( aChar == 0x094D ) |
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563 { |
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564 result = ETrue; |
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565 } |
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566 } |
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567 break; |
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568 default: /*Other Language*/ |
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569 break; |
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570 } |
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571 |
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572 return( result ); |
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573 } |
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574 |
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575 // ----------------------------------------------------------------------------- |
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576 // TAknFepUiIndicInputManager::IsCharSpace |
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577 |
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578 // This function checks wheather the character is Space. |
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579 // ----------------------------------------------------------------------------- |
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580 |
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581 TBool TAknFepUiIndicInputManager::IsCharSpace( TUint aChar ) |
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582 { |
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583 TBool result = EFalse; |
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584 |
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585 if ( aChar == ( 0x0020 ) ) |
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586 { |
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587 result = ETrue; |
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588 } |
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589 return( result ); |
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590 } |
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591 |
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592 // ----------------------------------------------------------------------------- |
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593 // TAknFepUiIndicInputManager::SetHalantAllowed |
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594 |
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595 // This function checks wheather the Halant can be inputted at the current curssor |
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596 // posiotion. |
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597 // ----------------------------------------------------------------------------- |
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598 |
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599 void TAknFepUiIndicInputManager::SetHalantOrMatraAllowed( TUint aPrevChar, |
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600 TBool& aViramaAllowed, |
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601 TBool aIsKeyTimerExpired, |
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602 TLanguage aLanguage ) |
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603 { |
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604 if ( IsCharAnVowel( aPrevChar, aLanguage ) ) |
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605 { |
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606 aViramaAllowed = EFalse; |
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607 } |
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608 else if ( IsCharBaseConsonant( aPrevChar, aLanguage ) || |
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609 IsCharNukta( aPrevChar, aLanguage ) ) |
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610 { |
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611 aViramaAllowed = ETrue; |
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612 } |
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613 if ( ( IsCharMatra( aPrevChar, aLanguage ) || |
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614 IsCharOther( aPrevChar, aLanguage ) || |
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615 IsCharVirama( aPrevChar, aLanguage ) || |
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616 IsCharModifier( aPrevChar, aLanguage ) ) && aIsKeyTimerExpired ) |
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617 { |
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618 // The new conditions are required as we are not making the response |
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619 // to digit as before. We iterate through all the characters in key-1 |
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620 // and skip the ones which are not required. |
|
621 aViramaAllowed = EFalse; |
|
622 } |
|
623 } |
|
624 |
|
625 // ----------------------------------------------------------------------------- |
|
626 // TAknFepUiIndicInputManager::Virama |
|
627 |
|
628 // This function returns back the unicode value for Halant. |
|
629 // ----------------------------------------------------------------------------- |
|
630 |
|
631 TUint TAknFepUiIndicInputManager::Virama( TLanguage aLanguage ) |
|
632 { |
|
633 TUint ret = 0; |
|
634 switch( aLanguage ) |
|
635 { |
|
636 case ELangMarathi: |
|
637 case ELangHindi: |
|
638 #ifdef RD_HINDI_PHONETIC_INPUT |
|
639 case KLangHindiPhonetic: |
|
640 #endif |
|
641 { |
|
642 ret = 0x094D; |
|
643 } |
|
644 break; |
|
645 default: /*Other Language*/ |
|
646 break; |
|
647 } |
|
648 |
|
649 return( ret ); |
|
650 } |
|
651 |
|
652 TBool TAknFepUiIndicInputManager :: IsIndicLangauge(TLanguage aInputLanguage) |
|
653 { |
|
654 TBool ret = EFalse; |
|
655 switch(aInputLanguage) |
|
656 { |
|
657 case ELangHindi: |
|
658 case ELangMarathi: |
|
659 ret = ETrue; |
|
660 break; |
|
661 |
|
662 default: /*Other Language*/ |
|
663 break; |
|
664 } |
|
665 return ret; |
|
666 } |
|
667 |
|
668 TBool TAknFepUiIndicInputManager :: IsIndicDigitsSupported(TLanguage aInputLanguage) |
|
669 { |
|
670 TBool ret = EFalse; |
|
671 switch(aInputLanguage) |
|
672 { |
|
673 #ifdef RD_HINDI_PHONETIC_INPUT |
|
674 |
|
675 case KLangHindiPhonetic: |
|
676 ret = ETrue; |
|
677 break; |
|
678 #endif |
|
679 default: |
|
680 TLanguage uiLanguage = User::Language(); |
|
681 switch(uiLanguage) |
|
682 { |
|
683 case ELangHindi: |
|
684 case ELangMarathi: |
|
685 ret = ETrue; |
|
686 } |
|
687 } |
|
688 return ret; |
|
689 } |
|
690 |
|
691 TBool TAknFepUiIndicInputManager::IsRephaAllowed( TUint aChar, TLanguage aLanguage ) |
|
692 { |
|
693 TBool result = EFalse; |
|
694 |
|
695 switch( aLanguage ) |
|
696 { |
|
697 case ELangMarathi: |
|
698 case ELangHindi: |
|
699 { |
|
700 if ( IsCharBaseConsonant( aChar, aLanguage ) || |
|
701 IsCharMatra( aChar, aLanguage ) ) |
|
702 { |
|
703 result = ETrue; |
|
704 } |
|
705 } |
|
706 break; |
|
707 default: /*Other Language*/ |
|
708 break; |
|
709 } |
|
710 return( result ); |
|
711 } |
|
712 |
|
713 TBool TAknFepUiIndicInputManager::IsCharRepha( TUint aChar, TLanguage aLanguage ) |
|
714 { |
|
715 TBool result = EFalse; |
|
716 |
|
717 switch( aLanguage ) |
|
718 { |
|
719 case ELangMarathi: |
|
720 case ELangHindi: |
|
721 { |
|
722 if ( aChar == 0x0971 ) |
|
723 { |
|
724 result = ETrue; |
|
725 } |
|
726 } |
|
727 break; |
|
728 default: /*Other Language*/ |
|
729 break; |
|
730 } |
|
731 |
|
732 return( result ); |
|
733 } |
|
734 |
|
735 TUint TAknFepUiIndicInputManager::RaCharacter( TLanguage aLanguage ) |
|
736 { |
|
737 TUint ret = 0; |
|
738 switch( aLanguage ) |
|
739 { |
|
740 case ELangMarathi: |
|
741 case ELangHindi: |
|
742 { |
|
743 ret = 0x0930; |
|
744 } |
|
745 break; |
|
746 |
|
747 // Other Language |
|
748 default: |
|
749 break; |
|
750 } |
|
751 |
|
752 return( ret ); |
|
753 } |
|
754 |
|
755 void TAknFepUiIndicInputManager::GetRepha( TDes& aRepha, TLanguage aLanguage ) |
|
756 { |
|
757 aRepha.Zero(); |
|
758 |
|
759 switch( aLanguage ) |
|
760 { |
|
761 case ELangMarathi: |
|
762 case ELangHindi: |
|
763 { |
|
764 TChar raChar( TAknFepUiIndicInputManager::RaCharacter( aLanguage ) ); |
|
765 TChar virama( TAknFepUiIndicInputManager::Virama( aLanguage ) ); |
|
766 aRepha.Append( raChar ); |
|
767 aRepha.Append( virama ); |
|
768 } |
|
769 break; |
|
770 |
|
771 // Other Language |
|
772 default: |
|
773 break; |
|
774 } |
|
775 } |
|
776 |
|
777 TBool TAknFepUiIndicInputManager::IsCharRakar( TUint aChar, TLanguage aLanguage ) |
|
778 { |
|
779 TBool result = EFalse; |
|
780 |
|
781 switch( aLanguage ) |
|
782 { |
|
783 case ELangMarathi: |
|
784 case ELangHindi: |
|
785 { |
|
786 if ( aChar == 0x0972 ) |
|
787 { |
|
788 result = ETrue; |
|
789 } |
|
790 } |
|
791 break; |
|
792 default: /*Other Language*/ |
|
793 break; |
|
794 } |
|
795 |
|
796 return( result ); |
|
797 } |
|
798 |
|
799 void TAknFepUiIndicInputManager::GetRakar( TDes& aRakar, TLanguage aLanguage ) |
|
800 { |
|
801 aRakar.Zero(); |
|
802 |
|
803 switch( aLanguage ) |
|
804 { |
|
805 case ELangMarathi: |
|
806 case ELangHindi: |
|
807 { |
|
808 TChar virama( TAknFepUiIndicInputManager::Virama( aLanguage ) ); |
|
809 TChar raChar( TAknFepUiIndicInputManager::RaCharacter( aLanguage ) ); |
|
810 aRakar.Append( virama ); |
|
811 aRakar.Append( raChar ); |
|
812 } |
|
813 break; |
|
814 |
|
815 // Other Language |
|
816 default: |
|
817 break; |
|
818 } |
|
819 } |
|
820 #ifdef RD_HINDI_PHONETIC_INPUT |
|
821 TBool TAknFepUiIndicInputManager :: IsIndicPhoneticLanguage(TLanguage aInputLanguage) |
|
822 { |
|
823 TBool ret = EFalse; |
|
824 switch(aInputLanguage) |
|
825 { |
|
826 case KLangHindiPhonetic: |
|
827 ret = ETrue; |
|
828 break; |
|
829 default: |
|
830 break; |
|
831 } |
|
832 return ret; |
|
833 } |
|
834 #endif |
|
835 |
|
836 |
|
837 TBool TAknFepUiIndicInputManager::IsModifierAllowed( TUint aPrevChar, |
|
838 TLanguage aLanguage ) |
|
839 { |
|
840 if( IsCharVirama( aPrevChar, aLanguage ) || |
|
841 IsCharModifier( aPrevChar, aLanguage ) || |
|
842 IsCharOther( aPrevChar, aLanguage ) ) |
|
843 { |
|
844 return EFalse; |
|
845 } |
|
846 |
|
847 return ETrue; |
|
848 } |
|
849 |
|
850 void TAknFepUiIndicInputManager::GetLigature( TDes& aLigature, |
|
851 TUint aCurrChar, TLanguage aLanguage ) |
|
852 { |
|
853 aLigature.Zero(); |
|
854 |
|
855 switch( aLanguage ) |
|
856 { |
|
857 case ELangMarathi: |
|
858 case ELangHindi: |
|
859 { |
|
860 switch( aCurrChar ) |
|
861 { |
|
862 case 0x0973: |
|
863 { |
|
864 // Ksha |
|
865 aLigature.Append( 0x0915 ); |
|
866 aLigature.Append( Virama( aLanguage ) ); |
|
867 aLigature.Append( 0x0937 ); |
|
868 } |
|
869 break; |
|
870 |
|
871 case 0x0974: |
|
872 { |
|
873 // Gya(n) |
|
874 aLigature.Append( 0x091C ); |
|
875 aLigature.Append( Virama( aLanguage ) ); |
|
876 aLigature.Append( 0x091E ); |
|
877 } |
|
878 break; |
|
879 |
|
880 case 0x0975: |
|
881 { |
|
882 // Shra |
|
883 aLigature.Append( 0x0936 ); |
|
884 aLigature.Append( Virama( aLanguage ) ); |
|
885 aLigature.Append( 0x0930 ); |
|
886 } |
|
887 break; |
|
888 |
|
889 case 0x0976: |
|
890 { |
|
891 // Tra |
|
892 aLigature.Append( 0x0924 ); |
|
893 aLigature.Append( Virama( aLanguage ) ); |
|
894 aLigature.Append( RaCharacter( aLanguage ) ); |
|
895 } |
|
896 break; |
|
897 |
|
898 default: |
|
899 break; |
|
900 } |
|
901 } |
|
902 |
|
903 // Other Language |
|
904 default: |
|
905 break; |
|
906 } |
|
907 } |
|
908 |
|
909 TBool TAknFepUiIndicInputManager::IsCharLigature( TUint aChar, TLanguage aLanguage ) |
|
910 { |
|
911 TBool result = EFalse; |
|
912 |
|
913 switch( aLanguage ) |
|
914 { |
|
915 case ELangMarathi: |
|
916 case ELangHindi: |
|
917 { |
|
918 if ( aChar >= 0x0973 && aChar <= 0x0976 ) |
|
919 { |
|
920 result = ETrue; |
|
921 } |
|
922 } |
|
923 break; |
|
924 default: /*Other Language*/ |
|
925 break; |
|
926 } |
|
927 |
|
928 return( result ); |
|
929 } |
|
930 |
|
931 TBool TAknFepUiIndicInputManager::IsCharAtStartOfLigature( TUint aChar, |
|
932 TLanguage aLanguage) |
|
933 { |
|
934 TBool result = EFalse; |
|
935 |
|
936 switch( aLanguage ) |
|
937 { |
|
938 case ELangMarathi: |
|
939 case ELangHindi: |
|
940 { |
|
941 if( aChar == 0x0973 ) |
|
942 { |
|
943 // Ksha is the first ligature in the key-map. |
|
944 result = ETrue; |
|
945 } |
|
946 break; |
|
947 default: /*Other Language*/ |
|
948 break; |
|
949 } |
|
950 } |
|
951 |
|
952 return( result ); |
|
953 } |
|
954 |
|
955 #ifdef RD_HINDI_PHONETIC_INPUT |
|
956 TInt TAknFepUiIndicInputManager ::MapCharacterToKeys(TUint aChar, TLanguage aLanguage) |
|
957 { |
|
958 TPtiKey ret = EPtiKeyNone; |
|
959 if( TAknFepUiIndicInputManager::IsCharOther( aChar, aLanguage ) |
|
960 || TAknFepUiIndicInputManager::IsCharEmpty( aChar, aLanguage )) |
|
961 { |
|
962 ret = EPtiKey0; |
|
963 } |
|
964 else if(TAknFepUiIndicInputManager::IsCharBaseConsonant( aChar, aLanguage )) |
|
965 { |
|
966 ret = EPtiKey4; |
|
967 } |
|
968 else if( TAknFepUiIndicInputManager::IsCharMatra( aChar, aLanguage ) |
|
969 || TAknFepUiIndicInputManager::IsCharAnVowel( aChar, aLanguage )) |
|
970 { |
|
971 ret = EPtiKey2; |
|
972 } |
|
973 else if( TAknFepUiIndicInputManager::IsCharNukta( aChar, aLanguage ) |
|
974 || TAknFepUiIndicInputManager::IsCharModifier( aChar, aLanguage ) |
|
975 || TAknFepUiIndicInputManager::IsCharVirama( aChar, aLanguage )) |
|
976 { |
|
977 ret = EPtiKey1; |
|
978 } |
|
979 return ret; |
|
980 } |
|
981 #endif |
|
982 |
|
983 TBool TAknFepUiIndicInputManager :: IsScriptDevanagari( TLanguage aInputLanguage ) |
|
984 { |
|
985 TBool ret = EFalse; |
|
986 switch(aInputLanguage) |
|
987 { |
|
988 case ELangHindi: |
|
989 case ELangMarathi: |
|
990 ret = ETrue; |
|
991 break; |
|
992 |
|
993 default: |
|
994 break; |
|
995 } |
|
996 return ret; |
|
997 } |
|
998 |
|
999 TBool TAknFepUiIndicInputManager::IsToCommitCharSeq( TIndicInputResponse aResponse ) |
|
1000 { |
|
1001 TBool result = EFalse; |
|
1002 |
|
1003 switch( aResponse ) |
|
1004 { |
|
1005 case EIndicInputResponseInsertZWSandLigature: |
|
1006 case EIndicInputResponseInsertViramaZWSandDirectLigature: |
|
1007 { |
|
1008 result = ETrue; |
|
1009 } |
|
1010 break; |
|
1011 default: |
|
1012 break; |
|
1013 } |
|
1014 return result; |
|
1015 } |
|
1016 |
|
1017 TBool TAknFepUiIndicInputManager::IsCharNuktaConsonant( TUint aChar, TLanguage aLanguage ) |
|
1018 { |
|
1019 TBool result = EFalse; |
|
1020 |
|
1021 switch( aLanguage ) |
|
1022 { |
|
1023 case ELangMarathi: |
|
1024 case ELangHindi: |
|
1025 #ifdef RD_HINDI_PHONETIC_INPUT |
|
1026 |
|
1027 case KLangHindiPhonetic: |
|
1028 #endif |
|
1029 { |
|
1030 if ( aChar == 0x0929 || |
|
1031 aChar == 0x0931 || aChar == 0x0934 || |
|
1032 ( aChar >= 0x0958 && aChar <= 0x095F ) ) |
|
1033 { |
|
1034 result = ETrue; |
|
1035 } |
|
1036 } |
|
1037 break; |
|
1038 default: /*Other Language*/ |
|
1039 break; |
|
1040 } |
|
1041 return( result ); |
|
1042 } |
|
1043 |
|
1044 #ifdef RD_MARATHI |
|
1045 |
|
1046 TBool TAknFepUiIndicInputManager::IsCharEyeLashRa( TUint aChar, TLanguage aLanguage ) |
|
1047 { |
|
1048 TBool result = EFalse; |
|
1049 |
|
1050 switch( aLanguage ) |
|
1051 { |
|
1052 case ELangMarathi: |
|
1053 { |
|
1054 if ( aChar == 0x0977 ) |
|
1055 { |
|
1056 result = ETrue; |
|
1057 } |
|
1058 } |
|
1059 break; |
|
1060 default: /*Other Language*/ |
|
1061 break; |
|
1062 } |
|
1063 |
|
1064 return( result ); |
|
1065 } |
|
1066 |
|
1067 void TAknFepUiIndicInputManager::GetEyeLashRa( TDes& aEyeLashRa, |
|
1068 TLanguage aLanguage ) |
|
1069 { |
|
1070 aEyeLashRa.Zero(); |
|
1071 |
|
1072 switch( aLanguage ) |
|
1073 { |
|
1074 case ELangMarathi: |
|
1075 { |
|
1076 TChar virama( TAknFepUiIndicInputManager::Virama( aLanguage ) ); |
|
1077 aEyeLashRa.Append( 0x0931 ); |
|
1078 aEyeLashRa.Append( virama ); |
|
1079 aEyeLashRa.Append( ZERO_WIDTH_JOINER ); |
|
1080 } |
|
1081 break; |
|
1082 // Other Language |
|
1083 default: |
|
1084 break; |
|
1085 } |
|
1086 } |
|
1087 |
|
1088 TBool TAknFepUiIndicInputManager::IsCharChandraA( TUint aChar ) |
|
1089 { |
|
1090 // Since Chandra-A is specific to Marathi, we need not |
|
1091 // use the Language id check. |
|
1092 if ( aChar == 0x0978 ) |
|
1093 { |
|
1094 return ETrue; |
|
1095 } |
|
1096 |
|
1097 return EFalse; |
|
1098 } |
|
1099 |
|
1100 void TAknFepUiIndicInputManager::GetChandraA( TDes& aChandraA, |
|
1101 TBool aIsToGetSingleUnicodeValue /* = EFalse */ ) |
|
1102 { |
|
1103 aChandraA.Zero(); |
|
1104 |
|
1105 if( aIsToGetSingleUnicodeValue ) |
|
1106 { |
|
1107 aChandraA.Append( 0x0978 ); |
|
1108 } |
|
1109 else |
|
1110 { |
|
1111 aChandraA.Append( 0x0905 ); |
|
1112 aChandraA.Append( 0x0945 ); |
|
1113 } |
|
1114 } |
|
1115 |
|
1116 #endif //RD_MARATHI |
|
1117 |
|
1118 #ifndef RD_INTELLIGENT_TEXT_INPUT |
|
1119 TBool TAknFepUiIndicInputManager::IsIndicDependantCharacter(TUint aChar, TLanguage aLanguage) |
|
1120 { |
|
1121 |
|
1122 return (TAknFepUiIndicInputManager::IsCharModifier(aChar, aLanguage) |
|
1123 || TAknFepUiIndicInputManager::IsCharMatra(aChar, aLanguage) |
|
1124 || TAknFepUiIndicInputManager::IsCharVirama(aChar, aLanguage) |
|
1125 || TAknFepUiIndicInputManager::IsCharNukta(aChar, aLanguage)); |
|
1126 |
|
1127 |
|
1128 } |
|
1129 #endif //RD_INTELLIGENT_TEXT_INPUT |
|
1130 //End of File |
|