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1 /* |
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2 * Copyright (c) 2010 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: Class to hold the character to key mappings for a virtual |
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15 * qwerty keyboard. |
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16 */ |
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17 |
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18 #ifndef __CQWERTYKEYMAP_H__ |
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19 #define __CQWERTYKEYMAP_H__ |
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20 |
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21 // INCLUDE FILES |
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22 #include "cpcskeymap.h" |
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23 #include <QMap> |
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24 |
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25 |
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26 // FORWARD DECLARATIONS |
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27 |
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28 // CLASS DECLARATION |
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29 NONSHARABLE_CLASS(CQwertyKeyMap) : public CPcsKeyMap |
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30 { |
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31 public: // Enums |
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32 enum TQwertyKeyboard |
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33 { |
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34 // How many keys have mappings in the virtual QWERTY keypad. |
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35 // Most languages list 32 keys, some have 36 keys. |
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36 // 4x11 keyboard could have 44 keys. |
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37 EAmountOfKeysInQwertyKeypad = 44 |
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38 }; |
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39 |
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40 // These values are used to identify each key in the keyboard. |
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41 enum TKeyId |
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42 { |
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43 // first key at index 0 |
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44 EKeyQ = 0, |
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45 EKeyW, |
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46 EKeyE, |
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47 EKeyR, |
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48 EKeyT, |
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49 EKeyY, |
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50 EKeyU, |
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51 EKeyI, |
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52 EKeyO, |
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53 EKeyP, |
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54 |
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55 EKeyA, // 10 |
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56 EKeyS, |
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57 EKeyD, |
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58 EKeyF, |
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59 EKeyG, |
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60 EKeyH, |
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61 EKeyJ, |
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62 EKeyK, |
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63 EKeyL, |
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64 |
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65 EKeyZ, // 19 |
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66 EKeyX, |
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67 EKeyC, |
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68 EKeyV, |
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69 EKeyB, |
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70 EKeyN, |
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71 EKeyM, |
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72 EKeyColon, |
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73 EKeyDot, |
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74 EKeyDash, // 28 |
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75 EKeyAt, |
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76 EKeyQuote, |
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77 EKeyQuestionMark, |
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78 |
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79 EKey32, |
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80 EKey33, |
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81 EKey34, |
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82 EKey35, |
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83 EKey36, |
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84 EKey37, |
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85 EKey38, |
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86 EKey39, |
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87 EKey40, |
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88 EKey41, |
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89 EKey42, |
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90 EKey43, |
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91 |
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92 // Value is KBitsInKeyId amount of 1-bits (i.e. 111111 (binary)) |
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93 KPadCharValue = 0x3f |
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94 }; |
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95 |
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96 public: // Constructors and destructor |
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97 /** |
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98 * Two phase construction |
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99 */ |
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100 static CQwertyKeyMap* NewL(); |
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101 |
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102 /** |
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103 * Destructor |
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104 */ |
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105 virtual ~CQwertyKeyMap(); |
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106 |
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107 public: // From CPcsKeyMap |
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108 virtual const QChar ArrayIndexToMappedChar(TInt aArrayIndex) const; |
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109 #if !defined(USE_ORBIT_KEYMAP) |
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110 virtual const QChar UseHardcodedKeyMap(const QChar input) const; |
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111 #endif |
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112 |
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113 private: // From CPcsKeyMap |
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114 virtual TInt ComputeValue(QString aString, |
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115 TBool aUpperLimit, |
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116 QString& aValue) const; |
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117 |
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118 public: |
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119 #if defined(USE_ORBIT_KEYMAP) |
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120 bool IsValidChar(const QChar aChar) const; |
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121 #endif |
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122 TInt MapKeyNameToValue(const QChar aKeyName) const; |
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123 |
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124 private: // Constructors |
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125 /** |
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126 * Constructor |
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127 */ |
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128 CQwertyKeyMap(); |
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129 |
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130 /** |
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131 * Second phase constructor |
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132 */ |
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133 void ConstructL(); |
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134 |
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135 private: // New functions |
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136 void ConstructKeyNameMap(); |
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137 |
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138 private: // Data |
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139 // Mapping between the virtual keys (TKeyId) of the keyboard, and the |
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140 // base character of that key (QChar). |
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141 // |
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142 // TODO: must place QMap's 1st arg the one that used more, |
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143 // since reverse lookup (Qmap::key()) is slow |
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144 QMap<TKeyId, QChar> iKeyNames; |
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145 |
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146 // List of the valid base characters of the keyboard. Obtained from |
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147 // iKeyNames. |
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148 QList<QChar> iKeyValues; |
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149 |
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150 // For unit testing |
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151 friend class UT_CQwertyKeyMap; |
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152 }; |
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153 |
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154 #endif // __CQWERTYKEYMAP_H__ |
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155 |
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156 // End of file |