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1 // vtc_controller.cpp |
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2 // |
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3 // Copyright (c) 2008 - 2010 Accenture. 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 the "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 // Accenture - Initial contribution |
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11 // |
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12 |
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13 #include <e32base.h> |
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14 #include <fshell/common.mmh> |
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15 #include "vtc_controller.h" |
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16 #include "vtc_cursor_tracker.h" |
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17 |
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18 |
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19 // |
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20 // Constants. |
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21 // |
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22 |
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23 _LIT(KAttSupportAttributes, "support_attributes"); |
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24 _LIT(KAttForegroundColor, "foreground_color"); |
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25 _LIT(KAttBackgroundColor, "background_color"); |
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26 |
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27 class TEscapeMapping |
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28 { |
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29 public: |
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30 TUint8 iEscapeChar; |
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31 TKeyCode iKeyCode; |
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32 }; |
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33 |
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34 class TLongerEscapeMapping |
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35 { |
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36 public: |
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37 TUint8 iEscapeChar1; |
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38 TUint8 iEscapeChar2; |
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39 TKeyCode iKeyCode; |
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40 }; |
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41 |
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42 |
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43 const TEscapeMapping KEscapeMappings[] = |
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44 { |
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45 { 'A', EKeyUpArrow }, |
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46 { 'B', EKeyDownArrow }, |
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47 { 'C', EKeyRightArrow }, |
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48 { 'D', EKeyLeftArrow }, |
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49 { 'H', EKeyHome }, |
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50 { 'K', EKeyEnd }, |
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51 }; |
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52 const TInt KNumEscapeMappings(sizeof(KEscapeMappings) / sizeof(TEscapeMapping)); |
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53 |
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54 const TEscapeMapping KFunctionKeyMappings[] = |
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55 { |
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56 { 'P', EKeyF1 }, |
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57 { 'Q', EKeyF2 }, |
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58 { 'R', EKeyF3 }, |
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59 { 'S', EKeyF4 }, |
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60 }; |
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61 const TInt KNumEscapeFunctionMappings(sizeof(KFunctionKeyMappings) / sizeof(TEscapeMapping)); |
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62 |
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63 // The following are for VT220 support, which is needed to get function keys understood from teraterm. They use ESC [xx~ where xx is given by the below table |
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64 // See http://aperiodic.net/phil/archives/Geekery/term-function-keys.html for the reference I used |
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65 const TLongerEscapeMapping KExtendedEscapeMappings[] = |
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66 { |
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67 { '1', '1', EKeyF1 }, |
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68 { '1', '2', EKeyF2 }, |
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69 { '1', '3', EKeyF3 }, |
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70 { '1', '4', EKeyF4 }, |
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71 { '1', '5', EKeyF5 }, |
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72 // '1' '6' isn't used |
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73 { '1', '7', EKeyF6 }, |
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74 { '1', '8', EKeyF7 }, |
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75 { '1', '9', EKeyF8 }, |
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76 { '2', '0', EKeyF9 }, |
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77 { '2', '1', EKeyF10 }, |
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78 // '2' '2' isn't used |
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79 { '2', '3', EKeyF11 }, |
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80 { '2', '4', EKeyF12 }, |
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81 |
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82 // ESC [1~ is Home key according to http://www.zaik.uni-koeln.de/~ftp/elfi/etc/telnet.key |
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83 { '1', 0, EKeyHome }, |
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84 { '4', 0, EKeyEnd }, |
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85 { '5', 0, EKeyPageUp }, |
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86 { '6', 0, EKeyPageDown }, |
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87 { '2', 0, EKeyInsert }, |
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88 { '3', 0, EKeyDelete }, |
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89 }; |
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90 const TInt KNumExtendedEscapeMappings = sizeof(KExtendedEscapeMappings) / sizeof(TLongerEscapeMapping); |
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91 |
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92 static const TUint8 KEscapeChar1 = 0x1b; |
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93 static const TUint8 KEscapeChar2 = '['; |
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94 static const TUint8 KEscapeChar2Func = 'O'; |
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95 |
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96 static const TInt KEscapeTimeoutMicros = 200000; // 1/5th second |
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97 |
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98 |
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99 //______________________________________________________________________________ |
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100 // TKeyPress |
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101 EXPORT_C TKeyPress::TKeyPress() |
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102 : iCode(EKeyNull), iModifiers(0) |
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103 { |
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104 } |
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105 |
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106 EXPORT_C TKeyPress::TKeyPress(TKeyCode aCode, TUint aModifiers) |
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107 : iCode(aCode), iModifiers(aModifiers) |
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108 { |
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109 } |
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110 |
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111 //______________________________________________________________________________ |
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112 // CVtConsoleOutputController |
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113 EXPORT_C CVtConsoleOutputController* CVtConsoleOutputController::NewL(MConsoleOutput& aOutput, LtkUtils::CIniFile& aIniFile, const TSize& aScreenSize) |
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114 { |
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115 CVtConsoleOutputController* self = new(ELeave)CVtConsoleOutputController(aOutput, aIniFile); |
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116 CleanupStack::PushL(self); |
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117 User::LeaveIfError(self->Construct(aScreenSize)); |
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118 CleanupStack::Pop(self); |
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119 return self; |
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120 } |
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121 |
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122 EXPORT_C CVtConsoleOutputController* CVtConsoleOutputController::New(MConsoleOutput& aOutput, LtkUtils::CIniFile& aIniFile, const TSize& aScreenSize) |
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123 { |
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124 CVtConsoleOutputController* self = new CVtConsoleOutputController(aOutput, aIniFile); |
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125 TInt err = self->Construct(aScreenSize); |
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126 if (err!=KErrNone) |
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127 { |
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128 delete self; |
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129 self = NULL; |
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130 } |
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131 return self; |
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132 } |
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133 |
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134 class TAttributeBuf : public TBuf8<64> |
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135 { |
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136 public: |
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137 enum TColorType |
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138 { |
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139 EForeground, |
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140 EBackground |
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141 }; |
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142 public: |
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143 TAttributeBuf(LtkUtils::CIniFile& aIniFile); |
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144 void Add(TUint aAttributes); |
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145 void Add(ConsoleAttributes::TColor aColor, TColorType aType); |
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146 void Finalize(); |
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147 TBool SomethingAdded() const; |
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148 private: |
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149 void Add(const TDesC8& aAttribute); |
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150 private: |
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151 LtkUtils::CIniFile& iIniFile; |
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152 TBool iSomethingAdded; |
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153 }; |
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154 |
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155 _LIT8(KPrefix, "\x1b["); |
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156 TAttributeBuf::TAttributeBuf(LtkUtils::CIniFile& aIniFile) |
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157 : TBuf8<64>(KPrefix), iIniFile(aIniFile), iSomethingAdded(EFalse) |
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158 { |
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159 } |
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160 |
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161 void TAttributeBuf::Add(const TDesC8& aAttribute) |
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162 { |
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163 if (iSomethingAdded) |
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164 { |
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165 Append(';'); |
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166 } |
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167 Append(aAttribute); |
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168 iSomethingAdded = ETrue; |
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169 } |
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170 |
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171 void TAttributeBuf::Finalize() |
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172 { |
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173 ASSERT(iSomethingAdded); |
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174 Append('m'); |
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175 } |
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176 |
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177 TBool TAttributeBuf::SomethingAdded() const |
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178 { |
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179 return iSomethingAdded; |
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180 } |
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181 |
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182 void TAttributeBuf::Add(TUint aAttributes) |
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183 { |
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184 _LIT8(KAttReset, "0"); |
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185 _LIT8(KAttBold, "1"); |
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186 _LIT8(KAttUnderscore, "4"); |
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187 _LIT8(KAttBlink, "5"); |
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188 _LIT8(KAttInverse, "7"); |
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189 _LIT8(KAttConceal, "8"); |
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190 |
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191 if (aAttributes & ConsoleAttributes::ENone) |
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192 { |
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193 Add(KAttReset); |
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194 Add((ConsoleAttributes::TColor)iIniFile.GetInt(KAttForegroundColor), TAttributeBuf::EForeground); |
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195 Add((ConsoleAttributes::TColor)iIniFile.GetInt(KAttBackgroundColor), TAttributeBuf::EBackground); |
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196 } |
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197 if (aAttributes & ConsoleAttributes::EBold) |
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198 { |
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199 Add(KAttBold); |
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200 } |
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201 if (aAttributes & ConsoleAttributes::EUnderscore) |
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202 { |
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203 Add(KAttUnderscore); |
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204 } |
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205 if (aAttributes & ConsoleAttributes::EBlink) |
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206 { |
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207 Add(KAttBlink); |
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208 } |
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209 if (aAttributes & ConsoleAttributes::EInverse) |
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210 { |
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211 Add(KAttInverse); |
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212 } |
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213 if (aAttributes & ConsoleAttributes::EConceal) |
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214 { |
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215 Add(KAttConceal); |
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216 } |
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217 } |
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218 |
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219 void TAttributeBuf::Add(ConsoleAttributes::TColor aColor, TColorType aType) |
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220 { |
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221 _LIT8(KFgBlack, "30"); |
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222 _LIT8(KFgRed, "31"); |
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223 _LIT8(KFgGreen, "32"); |
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224 _LIT8(KFgYellow, "33"); |
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225 _LIT8(KFgBlue, "34"); |
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226 _LIT8(KFgMagenta, "35"); |
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227 _LIT8(KFgCyan, "36"); |
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228 _LIT8(KFgWhite, "37"); |
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229 _LIT8(KFgReset, "39"); |
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230 _LIT8(KBgBlack, "40"); |
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231 _LIT8(KBgRed, "41"); |
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232 _LIT8(KBgGreen, "42"); |
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233 _LIT8(KBgYellow, "43"); |
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234 _LIT8(KBgBlue, "44"); |
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235 _LIT8(KBgMagenta, "45"); |
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236 _LIT8(KBgCyan, "46"); |
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237 _LIT8(KBgWhite, "47"); |
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238 _LIT8(KBgReset, "49"); |
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239 |
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240 if (aType == EForeground) |
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241 { |
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242 switch (aColor) |
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243 { |
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244 default: |
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245 case ConsoleAttributes::EUnchanged: |
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246 { |
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247 // Do nothing. |
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248 break; |
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249 } |
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250 case ConsoleAttributes::EBlack: |
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251 { |
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252 Add(KFgBlack); |
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253 break; |
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254 } |
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255 case ConsoleAttributes::ERed: |
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256 { |
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257 Add(KFgRed); |
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258 break; |
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259 } |
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260 case ConsoleAttributes::EGreen: |
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261 { |
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262 Add(KFgGreen); |
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263 break; |
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264 } |
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265 case ConsoleAttributes::EYellow: |
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266 { |
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267 Add(KFgYellow); |
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268 break; |
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269 } |
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270 case ConsoleAttributes::EBlue: |
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271 { |
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272 Add(KFgBlue); |
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273 break; |
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274 } |
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275 case ConsoleAttributes::EMagenta: |
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276 { |
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277 Add(KFgMagenta); |
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278 break; |
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279 } |
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280 case ConsoleAttributes::ECyan: |
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281 { |
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282 Add(KFgCyan); |
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283 break; |
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284 } |
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285 case ConsoleAttributes::EWhite: |
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286 { |
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287 Add(KFgWhite); |
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288 break; |
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289 } |
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290 case ConsoleAttributes::EReset: |
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291 { |
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292 Add(KFgReset); |
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293 break; |
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294 } |
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295 } |
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296 } |
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297 else |
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298 { |
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299 switch (aColor) |
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300 { |
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301 default: |
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302 case ConsoleAttributes::EUnchanged: |
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303 { |
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304 // Do nothing. |
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305 break; |
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306 } |
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307 case ConsoleAttributes::EBlack: |
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308 { |
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309 Add(KBgBlack); |
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310 break; |
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311 } |
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312 case ConsoleAttributes::ERed: |
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313 { |
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314 Add(KBgRed); |
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315 break; |
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316 } |
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317 case ConsoleAttributes::EGreen: |
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318 { |
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319 Add(KBgGreen); |
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320 break; |
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321 } |
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322 case ConsoleAttributes::EYellow: |
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323 { |
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324 Add(KBgYellow); |
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325 break; |
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326 } |
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327 case ConsoleAttributes::EBlue: |
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328 { |
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329 Add(KBgBlue); |
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330 break; |
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331 } |
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332 case ConsoleAttributes::EMagenta: |
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333 { |
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334 Add(KBgMagenta); |
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335 break; |
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336 } |
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337 case ConsoleAttributes::ECyan: |
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338 { |
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339 Add(KBgCyan); |
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340 break; |
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341 } |
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342 case ConsoleAttributes::EWhite: |
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343 { |
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344 Add(KBgWhite); |
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345 break; |
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346 } |
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347 case ConsoleAttributes::EReset: |
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348 { |
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349 Add(KBgReset); |
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350 break; |
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351 } |
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352 } |
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353 } |
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354 } |
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355 |
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356 EXPORT_C TInt CVtConsoleOutputController::ResetAttributes() |
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357 { |
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358 if (iIniFile.GetBool(KAttSupportAttributes)) |
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359 { |
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360 TAttributeBuf buf(iIniFile); |
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361 buf.Add(ConsoleAttributes::ENone); |
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362 buf.Finalize(); |
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363 return iOutput.Output(buf); |
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364 } |
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365 |
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366 return KErrNone; |
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367 } |
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368 |
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369 EXPORT_C TInt CVtConsoleOutputController::SetAttributes(TUint aAttributes, ConsoleAttributes::TColor aForegroundColor, ConsoleAttributes::TColor aBackgroundColor) |
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370 { |
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371 if (iIniFile.GetBool(KAttSupportAttributes)) |
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372 { |
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373 TAttributeBuf buf(iIniFile); |
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374 buf.Add(aAttributes); |
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375 buf.Add(aForegroundColor, TAttributeBuf::EForeground); |
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376 buf.Add(aBackgroundColor, TAttributeBuf::EBackground); |
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377 |
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378 if (buf.SomethingAdded()) |
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379 { |
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380 buf.Finalize(); |
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381 return iOutput.Output(buf); |
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382 } |
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383 |
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384 return KErrNone; |
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385 } |
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386 |
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387 return KErrNotSupported; |
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388 } |
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389 |
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390 CVtConsoleOutputController::CVtConsoleOutputController(MConsoleOutput& aOutput, LtkUtils::CIniFile& aIniFile) |
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391 : iOutput(aOutput), iIniFile(aIniFile), iMode(ConsoleMode::EText) |
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392 { |
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393 } |
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394 |
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395 TInt CVtConsoleOutputController::Construct(const TSize& aScreenSize) |
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396 { |
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397 iCursorTracker = new TCursorTracker(aScreenSize); |
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398 if (!iCursorTracker) return KErrNoMemory; |
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399 return KErrNone; |
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400 } |
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401 |
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402 EXPORT_C CVtConsoleOutputController::~CVtConsoleOutputController() |
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403 { |
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404 delete iCursorTracker; |
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405 iOutputBuf.Close(); |
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406 } |
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407 |
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408 TInt CVtConsoleOutputController::GetCursorPos(TPoint& aPos) const |
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409 { |
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410 aPos = iCursorTracker->CursorPos(); |
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411 return KErrNone; |
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412 } |
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413 |
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414 |
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415 TInt CVtConsoleOutputController::SetCursorPosAbs(const TPoint& aPos) |
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416 { |
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417 TInt err = KErrInUse; |
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418 if (iMode == ConsoleMode::EText) |
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419 { |
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420 _LIT8(KEscapeSetCursorPosAbs, "\x1b[%u;%uH"); |
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421 TBuf8<32> buf; |
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422 buf.Format(KEscapeSetCursorPosAbs, aPos.iY + 1, aPos.iX + 1); |
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423 err = iOutput.Output(buf); |
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424 if (err == KErrNone) |
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425 { |
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426 iCursorTracker->SetCursorPosAbs(aPos); |
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427 } |
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428 } |
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429 return err; |
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430 } |
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431 |
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432 TInt CVtConsoleOutputController::SetCursorPosRel(const TPoint& aPoint) |
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433 { |
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434 TInt err = KErrInUse; |
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435 if (iMode == ConsoleMode::EText) |
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436 { |
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437 TBuf8<32> buf; |
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438 |
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439 if (aPoint.iY == 0) |
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440 { |
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441 // Do nothing. |
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442 } |
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443 else if (aPoint.iY < 0) |
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444 { |
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445 // Move cursor up. |
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446 _LIT8(KEscapeCursorUp, "\x1b[%uA"); |
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447 buf.AppendFormat(KEscapeCursorUp, -aPoint.iY); |
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448 } |
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449 else if (aPoint.iY > 0) |
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450 { |
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451 // Move cursor down. |
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452 _LIT8(KEscapeCursorDown, "\x1b[%uB"); |
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453 buf.AppendFormat(KEscapeCursorDown, aPoint.iY); |
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454 } |
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455 |
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456 if (aPoint.iX == 0) |
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457 { |
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458 // Do nothing. |
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459 } |
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460 else if (aPoint.iX < 0) |
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461 { |
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462 // Move cursor left. |
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463 _LIT8(KEscapeCursorLeft, "\x1b[%uD"); |
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464 buf.AppendFormat(KEscapeCursorLeft, -aPoint.iY); |
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465 } |
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466 else if (aPoint.iX > 0) |
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467 { |
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468 // Move cursor right. |
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469 _LIT8(KEscapeCursorRight, "\x1b[%uC"); |
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470 buf.AppendFormat(KEscapeCursorRight, aPoint.iY); |
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471 } |
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472 |
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473 err = KErrNone; |
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474 if (buf.Length() > 0) |
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475 { |
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476 err = iOutput.Output(buf); |
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477 if (err == KErrNone) |
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478 { |
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479 iCursorTracker->SetCursorPosRel(aPoint); |
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480 } |
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481 } |
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482 } |
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483 return err; |
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484 } |
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485 |
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486 TInt CVtConsoleOutputController::SetCursorHeight(TInt aPercentage) |
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487 { |
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488 TInt err = KErrInUse; |
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489 if (iMode == ConsoleMode::EText) |
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490 { |
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491 _LIT8(KEscapeHideCursor, "\x1b[?25l"); |
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492 _LIT8(KEscapeSeeCursor, "\x1b[?25h"); |
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493 if (aPercentage == 0) |
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494 { |
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495 err = iOutput.Output(KEscapeHideCursor); |
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496 } |
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497 else |
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498 { |
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499 err = iOutput.Output(KEscapeSeeCursor); |
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500 } |
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501 } |
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502 return err; |
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503 } |
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504 |
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505 TInt CVtConsoleOutputController::SetTitle(const TDesC&) |
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506 { |
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507 return KErrNone; |
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508 } |
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509 |
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510 TInt CVtConsoleOutputController::ClearScreen() |
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511 { |
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512 TInt err = KErrInUse; |
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513 if (iMode == ConsoleMode::EText) |
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514 { |
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515 _LIT8(KResetTerminal, "\x1b" "c" "\x1b" "[?7h"); // reset console, then enable line wrapping |
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516 err = iOutput.Output(KResetTerminal); |
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517 if (err == KErrNone) |
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518 { |
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519 User::After(100000); // It seems that TeraTerm doesn't like receiving attribute changes too soon after a terminal reset (tends to ignore the attributes). |
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520 err = ResetAttributes(); |
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521 if (err == KErrNone) |
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522 { |
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523 _LIT8(KEscapeClearScreen, "\x1b[2J\x1b[01;01H"); |
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524 err = iOutput.Output(KEscapeClearScreen); |
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525 if (err == KErrNone) |
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526 { |
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527 iCursorTracker->Reset(); |
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528 } |
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529 } |
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530 } |
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531 } |
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532 return err; |
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533 } |
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534 |
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535 TInt CVtConsoleOutputController::ClearToEndOfLine() |
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536 { |
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537 TInt err = KErrInUse; |
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538 if (iMode == ConsoleMode::EText) |
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539 { |
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540 _LIT8(KEscapeClearToEndOfLine, "\x1b[K"); |
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541 err = iOutput.Output(KEscapeClearToEndOfLine); |
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542 } |
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543 return err; |
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544 } |
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545 |
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546 TInt CVtConsoleOutputController::GetScreenSize(TSize& aSize) const |
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547 { |
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548 aSize = iCursorTracker->ConsoleSize(); |
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549 return KErrNone; |
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550 } |
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551 |
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552 TInt CVtConsoleOutputController::Write(const TDesC& aDes) |
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553 { |
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554 TInt err = KErrNone; |
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555 if (iMode == ConsoleMode::EBinary) |
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556 { |
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557 // staight collapse to 8 bit, no cleverness |
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558 TBuf8<256> buf; |
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559 TInt offset = 0; |
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560 while ((offset < aDes.Length()) && (err == KErrNone)) |
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561 { |
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562 buf.Copy(aDes.Mid(offset, Min(aDes.Length() - offset, buf.MaxLength()))); |
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563 offset += buf.Length(); |
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564 err = iOutput.Output(buf); |
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565 } |
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566 } |
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567 else |
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568 { |
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569 // In text mode we do a UTF-16 -> UTF-8 conversion |
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570 TRAP(err, iOutputBuf.CopyAsUtf8L(aDes)); |
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571 if (err == KErrNone) |
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572 { |
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573 err = iOutput.Output(iOutputBuf); |
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574 if (err == KErrNone) |
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575 { |
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576 iCursorTracker->Write(aDes); |
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577 } |
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578 } |
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579 } |
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580 return err; |
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581 } |
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582 |
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583 TInt CVtConsoleOutputController::Write(const TDesC8& aDes) |
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584 { |
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585 TInt err = iOutput.Output(aDes); |
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586 if ((err == KErrNone) && (iMode == ConsoleMode::EText)) |
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587 { |
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588 iCursorTracker->Write(aDes); |
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589 } |
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590 return err; |
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591 } |
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592 |
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593 void CVtConsoleOutputController::SetMode(ConsoleMode::TMode aMode) |
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594 { |
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595 iMode = aMode; |
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596 } |
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597 |
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598 //______________________________________________________________________________ |
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599 // CVtConsoleInputController |
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600 |
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601 EXPORT_C CVtConsoleInputController* CVtConsoleInputController::New(MConsoleInput& aConsoleInput, LtkUtils::CIniFile& aIniFile) |
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602 { |
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603 CVtConsoleInputController* self = NULL; |
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604 TRAPD(err, self = NewL(aConsoleInput, aIniFile)); |
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605 if (err == KErrNone) |
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606 { |
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607 return self; |
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608 } |
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609 return NULL; |
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610 } |
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611 |
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612 EXPORT_C CVtConsoleInputController* CVtConsoleInputController::NewL(MConsoleInput& aConsoleInput, LtkUtils::CIniFile& aIniFile) |
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613 { |
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614 CVtConsoleInputController* self = NewLC(aConsoleInput, aIniFile); |
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615 CleanupStack::Pop(self); |
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616 return self; |
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617 } |
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618 |
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619 EXPORT_C CVtConsoleInputController* CVtConsoleInputController::NewLC(MConsoleInput& aConsoleInput, LtkUtils::CIniFile& aIniFile) |
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620 { |
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621 CVtConsoleInputController* self = new(ELeave)CVtConsoleInputController(aConsoleInput, aIniFile); |
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622 CleanupStack::PushL(self); |
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623 self->ConstructL(); |
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624 return self; |
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625 } |
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626 |
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627 CVtConsoleInputController::CVtConsoleInputController(MConsoleInput& aConsoleInput, LtkUtils::CIniFile& aIniFile) |
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628 : CActive(CActive::EPriorityStandard), iConsoleInput(aConsoleInput), iIniFile(aIniFile), iMode(ConsoleMode::EText) |
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629 { |
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630 CActiveScheduler::Add(this); |
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631 } |
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632 |
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633 void CVtConsoleInputController::ConstructL() |
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634 { |
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635 iEscapeTimer = CPeriodic::NewL(CActive::EPriorityLow); |
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636 } |
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637 |
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638 CVtConsoleInputController::~CVtConsoleInputController() |
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639 { |
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640 Reset(); |
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641 delete iEscapeTimer; |
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642 } |
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643 |
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644 EXPORT_C void CVtConsoleInputController::GetKeyPress(TKeyPress& aKeyPress, TRequestStatus& aStatus) |
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645 { |
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646 ASSERT((iClientKeyPress == NULL) && (iClientRequestStatus == NULL)); |
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647 iClientKeyPress = &aKeyPress; |
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648 iClientRequestStatus = &aStatus; |
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649 *iClientRequestStatus = KRequestPending; |
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650 if (iKeyCodePending) |
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651 { |
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652 iKeyCodePending = EFalse; |
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653 CompleteKeyPressRequest(iPendingKeyCode); |
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654 } |
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655 else if (iInputError) |
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656 { |
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657 CompleteKeyPressRequest(iInputError); |
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658 iInputError = KErrNone; |
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659 } |
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660 else |
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661 { |
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662 ReadKeyPress(); |
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663 } |
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664 } |
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665 |
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666 EXPORT_C void CVtConsoleInputController::CancelGetKeyPress() |
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667 { |
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668 Cancel(); |
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669 if (iClientRequestStatus) |
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670 { |
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671 CompleteKeyPressRequest(KErrCancel); |
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672 } |
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673 } |
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674 |
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675 EXPORT_C void CVtConsoleInputController::SetMode(ConsoleMode::TMode aMode) |
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676 { |
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677 Reset(); |
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678 iMode = aMode; |
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679 } |
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680 |
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681 void CVtConsoleInputController::ReadKeyPress() |
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682 { |
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683 iEscapeTimer->Cancel(); |
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684 |
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685 while (iClientRequestStatus && (iBufPos < iBuf.Length())) |
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686 { |
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687 TUint8 c = iBuf[iBufPos++]; |
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688 if (iMode == ConsoleMode::EBinary) |
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689 { |
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690 CompleteKeyPressRequest((TKeyCode)c); |
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691 } |
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692 else |
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693 { |
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694 switch (iState) |
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695 { |
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696 case ENormal: |
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697 if (c == KEscapeChar1) |
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698 { |
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699 iState = EWaitingForEscapeChar2; |
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700 if (iBufPos == iBuf.Length()) |
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701 { |
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702 iEscapeTimer->Start(KEscapeTimeoutMicros, KEscapeTimeoutMicros, TCallBack(EscapeTimeoutS, this)); |
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703 } |
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704 } |
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705 else |
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706 { |
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707 CompleteKeyPressRequest((TKeyCode)c); |
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708 } |
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709 break; |
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710 case EWaitingForEscapeChar2: |
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711 if (c == KEscapeChar2) |
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712 { |
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713 iState = EWaitingForEscapeChar3; |
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714 } |
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715 else if (c == KEscapeChar2Func) |
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716 { |
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717 iState = EWaitingForEscapeChar3Func; |
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718 } |
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719 else |
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720 { |
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721 CompleteKeyPressRequest(EKeyEscape, (TKeyCode)c); |
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722 iState = ENormal; |
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723 } |
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724 break; |
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725 case EWaitingForEscapeChar3: |
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726 if (c >= '0' && c <= '9') |
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727 { |
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728 iState = EWaitingForExtendedFunc; |
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729 iExtendedEscapeBuf.Zero(); |
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730 iExtendedEscapeBuf.Append(c); |
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731 } |
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732 else |
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733 { |
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734 DoEscapeKeyL(c, KEscapeMappings, KNumEscapeMappings); |
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735 } |
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736 break; |
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737 case EWaitingForEscapeChar3Func: |
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738 DoEscapeKeyL(c, KFunctionKeyMappings, KNumEscapeFunctionMappings); |
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739 break; |
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740 case EWaitingForExtendedFunc: |
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741 if (iExtendedEscapeBuf.Length() < iExtendedEscapeBuf.MaxLength() && ((c >= '0' && c <= '9') || c == ';')) |
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742 { |
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743 iExtendedEscapeBuf.Append(c); |
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744 // Stay in this state until you see a '~' |
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745 } |
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746 else if (c == '~') |
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747 { |
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748 DoExtendedEscapeKey(); |
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749 } |
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750 else |
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751 { |
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752 // Gone off the rails, bail |
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753 iState = ENormal; |
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754 CompleteKeyPressRequest((TKeyCode)c); |
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755 } |
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756 break; |
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757 } |
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758 } |
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759 } |
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760 |
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761 ReadInput(); |
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762 } |
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763 |
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764 void CVtConsoleInputController::CompleteKeyPressRequest(TInt aError) |
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765 { |
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766 ASSERT(iClientKeyPress && iClientRequestStatus); |
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767 iClientKeyPress = NULL; |
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768 User::RequestComplete(iClientRequestStatus, aError); |
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769 } |
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770 |
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771 void CVtConsoleInputController::CompleteKeyPressRequest(TKeyCode aKeyCode) |
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772 { |
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773 ASSERT(iClientKeyPress && iClientRequestStatus); |
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774 iClientKeyPress->iCode = (TKeyCode)aKeyCode; |
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775 iClientKeyPress->iModifiers = 0; |
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776 iClientKeyPress = NULL; |
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777 User::RequestComplete(iClientRequestStatus, KErrNone); |
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778 } |
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779 |
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780 void CVtConsoleInputController::CompleteKeyPressRequest(TKeyCode aKeyCode1, TKeyCode aKeyCode2) |
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781 { |
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782 ASSERT(!iKeyCodePending); |
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783 // Store the second key-code in a member variable to be used the next time GetKeyPress is called. |
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784 iKeyCodePending = ETrue; |
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785 iPendingKeyCode = aKeyCode2; |
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786 CompleteKeyPressRequest(aKeyCode1); |
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787 } |
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788 |
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789 void CVtConsoleInputController::Reset() |
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790 { |
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791 Cancel(); |
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792 iEscapeTimer->Cancel(); |
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793 iState = ENormal; |
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794 iKeyCodePending = EFalse; |
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795 } |
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796 |
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797 void CVtConsoleInputController::ReadInput() |
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798 { |
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799 if (iClientRequestStatus && !IsActive()) // Note, if the escape timer expired we could already be active. |
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800 { |
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801 ASSERT(iBufPos == iBuf.Length()); |
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802 iBufPos = 0; |
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803 iBuf.Zero(); |
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804 iConsoleInput.Input(iBuf, iStatus); |
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805 SetActive(); |
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806 } |
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807 } |
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808 |
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809 void CVtConsoleInputController::RunL() |
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810 { |
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811 TInt err = iStatus.Int(); |
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812 #ifdef FSHELL_PLATFORM_OPP |
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813 if (err == KErrAbort) |
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814 { |
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815 ReadInput(); |
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816 return; |
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817 } |
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818 #endif |
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819 if (err == KErrNone) |
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820 { |
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821 ReadKeyPress(); |
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822 } |
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823 else if (iClientRequestStatus) |
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824 { |
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825 CompleteKeyPressRequest(err); |
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826 } |
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827 else |
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828 { |
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829 // Report the error next time the client requests a key. |
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830 iInputError = err; |
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831 } |
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832 } |
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833 |
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834 void CVtConsoleInputController::DoCancel() |
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835 { |
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836 iConsoleInput.CancelInput(iStatus); |
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837 } |
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838 |
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839 void CVtConsoleInputController::DoEscapeKeyL(TUint8 aChar, const TEscapeMapping* aMappings, TInt aMappingCount) |
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840 { |
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841 iState = ENormal; |
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842 for (TInt j = 0; j < aMappingCount; ++j) |
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843 { |
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844 if (aChar == aMappings[j].iEscapeChar) |
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845 { |
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846 CompleteKeyPressRequest(aMappings[j].iKeyCode); |
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847 return; |
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848 } |
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849 } |
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850 } |
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851 |
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852 TInt CVtConsoleInputController::EscapeTimeout() |
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853 { |
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854 ASSERT(iState == EWaitingForEscapeChar2); |
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855 iState = ENormal; |
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856 CompleteKeyPressRequest(EKeyEscape); |
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857 return KErrNone; |
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858 } |
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859 |
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860 TInt CVtConsoleInputController::EscapeTimeoutS(TAny* aSelf) |
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861 { |
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862 return ((CVtConsoleInputController*)aSelf)->EscapeTimeout(); |
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863 } |
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864 |
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865 |
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866 void CVtConsoleInputController::DoExtendedEscapeKey() |
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867 { |
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868 iState = ENormal; |
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869 TUint8 escape1 = 0; |
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870 TUint8 escape2 = 0; |
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871 if (iExtendedEscapeBuf.Length()) escape1 = iExtendedEscapeBuf[0]; |
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872 if (iExtendedEscapeBuf.Length() > 1) escape2 = iExtendedEscapeBuf[1]; |
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873 |
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874 for (TInt j = 0; j < KNumExtendedEscapeMappings; ++j) |
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875 { |
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876 const TLongerEscapeMapping& mapping = KExtendedEscapeMappings[j]; |
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877 if (escape1 == mapping.iEscapeChar1 && escape2 == mapping.iEscapeChar2) |
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878 { |
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879 CompleteKeyPressRequest(mapping.iKeyCode); |
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880 return; |
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881 } |
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882 } |
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883 } |