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1 // Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of the License "Symbian Foundation License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // e32\euser\cbase\ub_cons.cpp |
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15 // |
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16 // |
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17 |
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18 #include "ub_std.h" |
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19 #ifndef __TOOLS2__ |
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20 #include <e32uid.h> |
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21 #include <e32wins.h> |
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22 #else |
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23 #if defined _WIN32 |
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24 #include <cstdio> |
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25 #else |
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26 #include <stdio.h> |
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27 #include <wchar.h> |
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28 #endif |
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29 #endif |
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30 |
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31 |
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32 /** |
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33 Default constructor. |
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34 */ |
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35 EXPORT_C CConsoleBase::CConsoleBase() |
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36 { |
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37 } |
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38 |
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39 |
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40 |
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41 /** |
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42 Destructor. |
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43 */ |
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44 EXPORT_C CConsoleBase::~CConsoleBase() |
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45 { |
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46 } |
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47 |
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48 |
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49 |
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50 |
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51 /** |
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52 Gets a character from the console. |
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53 |
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54 @return the key code from the console. |
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55 */ |
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56 EXPORT_C TKeyCode CConsoleBase::Getch() |
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57 { |
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58 |
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59 TRequestStatus s; |
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60 Read(s); |
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61 User::WaitForRequest(s); |
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62 __ASSERT_ALWAYS(s==KErrNone,Panic(EConsGetchFailed)); |
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63 return(KeyCode()); |
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64 } |
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65 |
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66 |
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67 |
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68 |
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69 /** |
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70 Prints characters to the console window. |
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71 |
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72 @param aFmt The non-modifiable descriptor containing the |
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73 format string. The TRefByValue class provides a |
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74 constructor which takes a TDesC type. |
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75 |
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76 @param ... A variable number of arguments to be converted to text |
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77 as dictated by the format string. |
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78 */ |
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79 EXPORT_C void CConsoleBase::Printf(TRefByValue<const TDesC> aFmt,...) |
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80 { |
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81 |
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82 TestOverflowTruncate overflow; |
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83 VA_LIST list; |
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84 VA_START(list,aFmt); |
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85 TBuf<0x100> aBuf; |
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86 aBuf.AppendFormatList(aFmt,list,&overflow); |
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87 Write(aBuf); |
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88 } |
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89 |
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90 |
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91 |
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92 /** |
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93 Sets the cursor's x-position. |
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94 |
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95 @param aX The x-position. |
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96 */ |
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97 EXPORT_C void CConsoleBase::SetPos(TInt aX) |
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98 { |
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99 |
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100 SetCursorPosAbs(TPoint(aX,WhereY())); |
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101 } |
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102 |
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103 |
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104 |
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105 |
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106 /** |
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107 Sets the cursor's x-position and y-position. |
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108 |
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109 @param aX The x-position. |
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110 @param aY The y-position. |
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111 */ |
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112 EXPORT_C void CConsoleBase::SetPos(TInt aX,TInt aY) |
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113 { |
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114 |
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115 SetCursorPosAbs(TPoint(aX,aY)); |
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116 } |
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117 |
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118 |
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119 |
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120 |
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121 /** |
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122 Gets the cursor's x-position. |
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123 |
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124 @return The cursor's x-position. |
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125 */ |
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126 EXPORT_C TInt CConsoleBase::WhereX() const |
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127 { |
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128 |
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129 return(CursorPos().iX); |
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130 } |
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131 |
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132 |
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133 |
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134 /** |
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135 Gets the cursor's y-position. |
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136 |
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137 @return The cursor's y-position. |
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138 */ |
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139 EXPORT_C TInt CConsoleBase::WhereY() const |
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140 { |
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141 |
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142 return(CursorPos().iY); |
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143 } |
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144 |
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145 |
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146 /** |
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147 Extension function |
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148 |
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149 |
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150 */ |
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151 EXPORT_C TInt CConsoleBase::Extension_(TUint aExtensionId, TAny*& a0, TAny* a1) |
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152 { |
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153 return CBase::Extension_(aExtensionId, a0, a1); |
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154 } |
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155 |
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156 |
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157 #ifndef __TOOLS2__ |
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158 |
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159 void CColorConsoleBase::SetTextAttribute(TTextAttribute /*anAttribute*/) |
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160 // |
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161 // |
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162 // |
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163 { |
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164 } |
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165 |
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166 |
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167 /** |
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168 Extension function |
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169 |
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170 |
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171 */ |
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172 EXPORT_C TInt CColorConsoleBase::Extension_(TUint aExtensionId, TAny*& a0, TAny* a1) |
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173 { |
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174 return CConsoleBase::Extension_(aExtensionId, a0, a1); |
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175 } |
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176 |
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177 |
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178 NONSHARABLE_CLASS(CProxyConsole) : public CColorConsoleBase |
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179 { |
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180 public: |
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181 ~CProxyConsole(); |
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182 TInt Construct(const TDesC& aImplDll); |
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183 public: |
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184 // implement for CConsoleBase |
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185 TInt Create(const TDesC &aTitle,TSize aSize); |
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186 void Read(TRequestStatus &aStatus); |
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187 void ReadCancel(); |
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188 void Write(const TDesC &aDes); |
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189 TPoint CursorPos() const; |
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190 void SetCursorPosAbs(const TPoint &aPoint); |
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191 void SetCursorPosRel(const TPoint &aPoint); |
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192 void SetCursorHeight(TInt aPercentage); |
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193 void SetTitle(const TDesC &aTitle); |
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194 void ClearScreen(); |
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195 void ClearToEndOfLine(); |
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196 TSize ScreenSize() const; |
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197 TKeyCode KeyCode() const; |
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198 TUint KeyModifiers() const; |
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199 // implement for CColorConsoleBase |
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200 void SetTextAttribute(TTextAttribute anAttribute); |
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201 virtual TInt Extension_(TUint aExtensionId, TAny*& a0, TAny* a1); |
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202 private: |
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203 RLibrary iLib; |
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204 CColorConsoleBase* iConsole; |
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205 }; |
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206 |
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207 TInt CProxyConsole::Construct(const TDesC& aImplDll) |
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208 { |
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209 const TUidType type(KNullUid, KSharedLibraryUid, KConsoleDllUid); |
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210 TInt r=iLib.Load(aImplDll,type); |
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211 if (r==KErrNone) |
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212 { |
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213 iConsole=(CColorConsoleBase*)(iLib.Lookup(1)()); |
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214 if (!iConsole) |
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215 r=KErrNoMemory; |
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216 } |
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217 return r; |
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218 } |
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219 |
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220 CProxyConsole::~CProxyConsole() |
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221 { |
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222 delete iConsole; |
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223 iLib.Close(); |
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224 } |
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225 |
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226 TInt CProxyConsole::Create(const TDesC &aTitle,TSize aSize) |
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227 { |
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228 return iConsole->Create(aTitle,aSize); |
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229 } |
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230 |
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231 void CProxyConsole::Read(TRequestStatus &aStatus) |
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232 { |
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233 iConsole->Read(aStatus); |
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234 } |
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235 |
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236 void CProxyConsole::ReadCancel() |
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237 { |
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238 iConsole->ReadCancel(); |
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239 } |
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240 |
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241 void CProxyConsole::Write(const TDesC &aDes) |
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242 { |
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243 iConsole->Write(aDes); |
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244 } |
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245 |
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246 TPoint CProxyConsole::CursorPos() const |
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247 { |
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248 return iConsole->CursorPos(); |
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249 } |
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250 |
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251 void CProxyConsole::SetCursorPosAbs(const TPoint &aPoint) |
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252 { |
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253 iConsole->SetCursorPosAbs(aPoint); |
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254 } |
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255 |
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256 void CProxyConsole::SetCursorPosRel(const TPoint &aPoint) |
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257 { |
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258 iConsole->SetCursorPosRel(aPoint); |
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259 } |
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260 |
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261 void CProxyConsole::SetCursorHeight(TInt aPercentage) |
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262 { |
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263 iConsole->SetCursorHeight(aPercentage); |
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264 } |
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265 |
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266 void CProxyConsole::SetTitle(const TDesC &aTitle) |
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267 { |
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268 iConsole->SetTitle(aTitle); |
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269 } |
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270 |
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271 void CProxyConsole::ClearScreen() |
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272 { |
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273 iConsole->ClearScreen(); |
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274 } |
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275 |
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276 void CProxyConsole::ClearToEndOfLine() |
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277 { |
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278 iConsole->ClearToEndOfLine(); |
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279 } |
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280 |
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281 TSize CProxyConsole::ScreenSize() const |
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282 { |
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283 return iConsole->ScreenSize(); |
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284 } |
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285 |
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286 TKeyCode CProxyConsole::KeyCode() const |
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287 { |
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288 return iConsole->KeyCode(); |
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289 } |
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290 |
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291 TUint CProxyConsole::KeyModifiers() const |
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292 { |
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293 return iConsole->KeyModifiers(); |
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294 } |
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295 |
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296 void CProxyConsole::SetTextAttribute(TTextAttribute anAttribute) |
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297 { |
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298 iConsole->SetTextAttribute(anAttribute); |
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299 } |
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300 |
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301 TInt CProxyConsole::Extension_(TUint aExtensionId, TAny*& a0, TAny* a1) |
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302 { |
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303 return iConsole->Extension_(aExtensionId, a0, a1); |
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304 } |
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305 |
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306 _LIT(KConsImpl,"econs"); |
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307 #ifdef __WINS__ |
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308 _LIT(KConsGuiImpl,"econseik"); |
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309 _LIT(KConsNoGuiImpl,"econsnogui"); |
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310 #endif |
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311 |
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312 |
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313 |
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314 /** |
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315 Creates a new console object. |
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316 |
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317 @param aTitle The title text for the console. |
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318 This should not be longer than 256 characters. |
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319 @param aSize The size of the console window. |
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320 |
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321 @return A pointer to the new console object. |
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322 |
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323 @see CConsoleBase::Create() |
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324 */ |
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325 EXPORT_C CConsoleBase *Console::NewL(const TDesC &aTitle,TSize aSize) |
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326 { |
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327 CProxyConsole *pC=new(ELeave) CProxyConsole; |
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328 TInt r=pC->Construct(KConsImpl); |
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329 if (r==KErrNone) |
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330 r=pC->Create(aTitle,aSize); |
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331 #ifdef __WINS__ |
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332 if (r!=KErrNone) |
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333 { |
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334 delete pC; |
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335 pC=new(ELeave) CProxyConsole; |
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336 if (EmulatorNoGui()) |
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337 { |
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338 // try and create a dummy console via ECONSNOGUI |
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339 r=pC->Construct(KConsNoGuiImpl); |
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340 } |
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341 else |
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342 { |
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343 // try and create a GUI console via ECONSEIK instead |
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344 r=pC->Construct(KConsGuiImpl); |
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345 } |
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346 if (r==KErrNone) |
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347 r=pC->Create(aTitle,aSize); |
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348 } |
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349 #endif |
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350 if (r!=KErrNone) |
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351 { |
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352 delete pC; |
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353 User::Leave(r); |
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354 } |
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355 return(pC); |
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356 } |
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357 #else // __TOOLS2__ |
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358 class CStdConsole : public CConsoleBase |
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359 { |
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360 public: |
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361 CStdConsole() {}; |
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362 ~CStdConsole() {}; |
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363 // |
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364 TInt Create(const TDesC &aTitle,TSize aSize) { return KErrNone; }; |
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365 void ReadCancel() {}; |
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366 TPoint CursorPos() const { return TPoint(0,0); }; |
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367 void SetCursorPosAbs(const TPoint &aPoint) {}; |
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368 void SetCursorPosRel(const TPoint &aPoint) {}; |
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369 void SetCursorHeight(TInt aPercentage) {}; |
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370 void SetTitle(const TDesC &aTitle) {}; |
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371 void ClearScreen() {}; |
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372 void ClearToEndOfLine() {}; |
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373 TSize ScreenSize() const { return TSize(0,0); }; |
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374 TUint KeyModifiers() const { return 0; }; |
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375 // |
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376 void Read(TRequestStatus &aStatus); |
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377 void Write(const TDesC &aDes); |
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378 TKeyCode KeyCode() const { return iKey; }; |
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379 // |
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380 private: |
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381 TKeyCode iKey; |
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382 TBuf16<256> iBuf; |
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383 }; |
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384 |
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385 void CStdConsole::Read(TRequestStatus &aStatus) |
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386 { |
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387 iKey = TKeyCode(getchar()); |
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388 aStatus = KErrNone; |
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389 } |
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390 |
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391 void CStdConsole::Write(const TDesC &aDes) |
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392 { |
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393 TInt pos = 0; |
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394 #ifdef _WIN32 |
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395 while(pos < aDes.Length()) |
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396 { |
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397 TInt len = Min(aDes.Length() - pos, iBuf.MaxLength() - 1); |
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398 iBuf.Copy(aDes.Mid(pos, len)); |
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399 |
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400 pos += iBuf.Length(); |
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401 wprintf(reinterpret_cast<const wchar_t*>(iBuf.PtrZ())); |
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402 } |
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403 #else |
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404 while(pos < aDes.Length()) |
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405 { |
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406 putchar(aDes[pos++]); |
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407 } |
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408 #endif |
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409 } |
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410 |
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411 EXPORT_C CConsoleBase *Console::NewL(const TDesC &aTitle, TSize aSize) |
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412 { |
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413 return new(ELeave)CStdConsole; |
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414 } |
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415 #endif // __TOOLS2__ |