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1 /* |
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2 * Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0"" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: CCalcView is a view class of Calculator application. |
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15 * Base class of CCalcView is CAknView. |
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16 * |
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17 */ |
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18 |
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19 |
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20 |
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21 // INCLUDE FILES |
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22 #include <avkon.hrh> |
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23 #include <eikon.hrh> |
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24 #include <eikmenup.h> |
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25 #include <aknnotewrappers.h> |
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26 #include <AiwServiceHandler.h> |
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27 |
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28 #include <aknbutton.h> |
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29 |
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30 #include <hlplch.h> // For HlpLauncher |
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31 #include <featmgr.h> // Feature Manager |
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32 |
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33 #include <Calcsoft.rsg> |
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34 |
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35 #include "CalcView.h" |
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36 #include "CalcCont.h" |
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37 #include "CalcEdit.h" |
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38 #include "CalcAppUi.h" |
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39 #include "CalcDoc.h" |
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40 #include "CalcHistory.h" |
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41 #include "CalcOutSheet.h" |
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42 #include "CalcFunc.h" |
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43 #include "CalcEnv.h" |
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44 #include "calc.hrh" |
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45 #include "CalcEditline.h" |
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46 |
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47 //#include "CalcCmdBtn.h" |
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48 |
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49 #include <layoutmetadata.cdl.h> |
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50 #include <AiwMenu.h> |
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51 #include <AiwCommon.h> |
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52 |
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53 |
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54 // LOCAL CONSTANTS AND MACROS |
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55 |
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56 |
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57 // ================= MEMBER FUNCTIONS ======================= |
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58 |
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59 |
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60 // Two-phased constructor. |
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61 CCalcView* CCalcView::NewLC() |
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62 { |
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63 CCalcView* self = new (ELeave) CCalcView(); |
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64 CleanupStack::PushL(self); |
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65 self->ConstructL(); |
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66 return self; |
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67 } |
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68 |
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69 // default constructor can leave. |
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70 void CCalcView::ConstructL() |
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71 { |
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72 |
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73 BaseConstructL(R_CALC_VIEW_INFO); |
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74 |
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75 iCalcDocument = STATIC_CAST(CCalcDocument*, AppUi()->Document()); |
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76 |
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77 iCalcDocument->SetCalcView( this ); |
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78 |
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79 iCalcDocument->LoadStateL(); |
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80 |
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81 /******** Initialize the ServiceHandler in the ConstructL *****/ |
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82 |
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83 iServiceHandler = CAiwServiceHandler::NewL(); |
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84 |
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85 /***** Attach the Menu Items of the Calculator and also the Interest *****/ |
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86 |
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87 iServiceHandler->AttachMenuL(R_CALC_POPUPMENU, R_AIWHELPAPP_INTEREST); |
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88 |
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89 this->iLastResultSetected = EFalse; |
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90 } |
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91 |
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92 // Destructor |
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93 CCalcView::~CCalcView() |
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94 { |
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95 if ( iContainer ) |
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96 { |
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97 delete iContainer; |
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98 iContainer = NULL; |
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99 } |
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100 |
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101 if( iServiceHandler ) |
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102 { |
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103 delete iServiceHandler; |
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104 iServiceHandler = NULL; |
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105 } |
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106 |
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107 } |
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108 |
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109 // --------------------------------------------------------- |
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110 // CCalcView::State |
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111 // Return current state |
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112 // (other items were commented in a header). |
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113 // --------------------------------------------------------- |
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114 // |
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115 CCalcView::TStateNo CCalcView::State() const |
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116 { |
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117 return iState; |
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118 } |
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119 |
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120 // ---------------------------------------------------- |
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121 // CCalcView::LatestInput |
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122 // Return type of latest input |
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123 // (other items were commented in a header). |
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124 // ---------------------------------------------------- |
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125 // |
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126 CCalcView::TKindOfInput CCalcView::LatestInput() const |
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127 { |
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128 return iLatestInput; |
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129 } |
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130 |
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131 // ---------------------------------------------------- |
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132 // CCalcView::UpdateState |
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133 // Update state by using kind of input |
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134 // (other items were commented in a header). |
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135 // ---------------------------------------------------- |
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136 // |
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137 void CCalcView::UpdateState |
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138 (const TKindOfInput& aKind) |
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139 { |
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140 iLatestInput = aKind; |
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141 |
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142 switch (aKind) |
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143 { |
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144 case EOperand: |
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145 case EMemoryRecall: |
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146 { |
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147 switch (iState) |
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148 { |
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149 case EInitialMode: |
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150 case ESelectResult: |
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151 iState = EOperandOnly; |
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152 break; |
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153 case EOperandAndOperator: |
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154 iState = EOperandAndOperatorAndOperand; |
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155 break; |
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156 default: |
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157 break; |
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158 } |
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159 break; |
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160 } |
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161 case EOperatorResult: |
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162 { |
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163 iState = EOperatorOnlyResult; |
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164 break; |
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165 } |
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166 case EOperator: |
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167 { |
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168 iState = EOperandAndOperator; |
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169 break; |
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170 } |
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171 case EEqual: |
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172 { |
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173 iState = ESelectResult; |
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174 break; |
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175 } |
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176 case EMemorySave: |
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177 { |
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178 switch (iState) |
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179 { |
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180 case EOperandAndOperatorAndOperand: |
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181 iState = ESelectResult; |
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182 break; |
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183 case ESelectResult: |
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184 iState = EOperandOnly; |
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185 break; |
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186 default: |
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187 break; |
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188 } |
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189 break; |
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190 } |
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191 case EAllClear: |
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192 { |
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193 iState = EOperandOnly; |
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194 break; |
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195 } |
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196 default: |
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197 { |
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198 break; |
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199 } |
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200 } |
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201 } |
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202 |
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203 |
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204 // ---------------------------------------------------- |
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205 // CCalcView::ErrorMsgL |
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206 // Display error message |
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207 // (other items were commented in a header). |
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208 // ---------------------------------------------------- |
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209 // |
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210 void CCalcView::ErrorMsgL |
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211 (TInt aErrorCode) |
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212 { |
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213 TInt resourceId(0); |
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214 |
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215 switch (aErrorCode) |
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216 { |
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217 case KErrOverflow: |
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218 { |
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219 resourceId = R_CALC_ERROR_OUTOFRANGE; |
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220 break; |
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221 } |
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222 case KErrDivideByZero: |
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223 { |
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224 resourceId = R_CALC_ERROR_DIVISIONBYZERO; |
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225 |
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226 // UpdateState( EOperator ); |
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227 break; |
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228 } |
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229 case KErrNotSupported: |
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230 { |
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231 resourceId = R_CALC_ERROR_NEGATIVEVALUESQRT; |
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232 break; |
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233 } |
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234 default: |
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235 { |
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236 return; |
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237 } |
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238 } |
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239 |
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240 //Localisation of scalable UI. |
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241 HBufC* message = iCoeEnv->AllocReadResourceLC(resourceId) ; |
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242 CAknErrorNote* note = new (ELeave) CAknErrorNote(); |
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243 note->ExecuteLD(*message); |
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244 CleanupStack::PopAndDestroy(message); |
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245 |
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246 } |
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247 |
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248 |
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249 // ---------------------------------------------------- |
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250 // CCalcView::DynInitMainMenuPane |
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251 // Delete meaningless items from main menu. |
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252 // (other items were commented in a header). |
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253 // ---------------------------------------------------- |
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254 // |
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255 void CCalcView::DynInitMainMenuPane |
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256 (CEikMenuPane* aMenuPane) |
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257 { |
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258 |
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259 |
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260 |
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261 switch (iState) |
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262 { |
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263 case ESelectResult: |
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264 { |
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265 aMenuPane->DeleteMenuItem(ECalcCmdLastResult); |
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266 break; |
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267 } |
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268 case EInitialMode: |
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269 { |
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270 aMenuPane->DeleteMenuItem(ECalcCmdClearCalcAndHistory); |
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271 break; |
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272 } |
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273 case EOperandOnly: |
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274 { |
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275 if (iCalcDocument->History()->Count() == 0) |
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276 { |
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277 aMenuPane->DeleteMenuItem(ECalcCmdClearCalcAndHistory); |
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278 } |
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279 if(iLastResultSetected) |
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280 { |
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281 aMenuPane->DeleteMenuItem(ECalcCmdLastResult); |
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282 } |
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283 break; |
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284 } |
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285 case EOperandAndOperator: |
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286 case EOperandAndOperatorAndOperand: |
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287 if(iLastResultSetected) |
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288 { |
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289 aMenuPane->DeleteMenuItem(ECalcCmdLastResult); |
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290 } |
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291 break; |
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292 default: |
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293 { |
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294 break; |
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295 } |
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296 } |
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297 } |
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298 |
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299 |
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300 // ---------------------------------------------------- |
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301 // CCalcView::DynInitMemoryMenuPane |
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302 // Delete meaningless items from menu of memory |
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303 // (other items were commented in a header). |
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304 // ---------------------------------------------------- |
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305 // |
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306 void CCalcView::DynInitMemoryMenuPane |
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307 (CEikMenuPane* aMenuPane) |
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308 { |
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309 if (!iCalcDocument->HasMemory()) |
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310 { |
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311 aMenuPane->DeleteMenuItem(ECalcCmdMemoryClear); |
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312 } |
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313 } |
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314 |
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315 // --------------------------------------------------------- |
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316 // CCalcView::NotifyChangeDecimal |
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317 // Call when decimal separator is changed. |
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318 // (other items were commented in a header). |
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319 // --------------------------------------------------------- |
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320 // |
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321 void CCalcView::NotifyChangeDecimal(TChar aOld, TChar aNew) |
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322 { |
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323 iContainer->NotifyChangeDecimal(aOld, aNew); |
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324 } |
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325 |
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326 |
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327 |
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328 // --------------------------------------------------------- |
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329 // CCalcView::HandleCommandL |
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330 // Handling command. |
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331 // (other items were commented in a header). |
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332 // --------------------------------------------------------- |
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333 // |
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334 void CCalcView::HandleCommandL |
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335 ( TInt aCommand ) |
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336 { |
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337 // Handle the command generated by: |
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338 // 1. menu item selection |
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339 // 2. short-cut key press |
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340 |
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341 switch ( aCommand ) |
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342 { |
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343 case ECalcCmdResult: |
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344 { |
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345 HandleResultL(); |
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346 break; |
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347 } |
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348 case ECalcCmdAdd: |
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349 { |
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350 HandleOperatorL(TCalcEditLine::ECalcAdd); |
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351 break; |
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352 } |
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353 case ECalcCmdSubtract: |
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354 { |
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355 HandleOperatorL(TCalcEditLine::ECalcSubtract); |
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356 break; |
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357 } |
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358 case ECalcCmdMultiply: |
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359 { |
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360 HandleOperatorL(TCalcEditLine::ECalcMultiply); |
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361 break; |
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362 } |
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363 case ECalcCmdDivide: |
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364 { |
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365 HandleOperatorL(TCalcEditLine::ECalcDivide); |
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366 break; |
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367 } |
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368 case ECalcCmdChangeSign: |
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369 { |
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370 this->iLastResultSetected = EFalse; |
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371 HandleChangeSignL(); |
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372 break; |
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373 } |
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374 case ECalcCmdLastResult: |
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375 { |
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376 HandleLastResultL(); |
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377 break; |
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378 } |
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379 case ECalcCmdPercent: |
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380 { |
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381 HandleOperatorL(TCalcEditLine::ECalcPercent); |
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382 // The result is always is displayed |
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383 // after the percent button is pressed. |
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384 // But if there was a error in the calculation |
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385 // this if will enable us to not call the |
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386 // HandleResultL and thus making sure that |
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387 // the state of the buttons is identical to the |
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388 // situation before the calculation. |
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389 if (iState == EOperatorOnlyResult) |
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390 HandleResultL(); |
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391 break; |
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392 } |
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393 case ECalcCmdSqrt: |
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394 { |
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395 // TRequestStatus trs; |
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396 // RTimer timer; |
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397 // timer.CreateLocal(); |
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398 // timer.After(trs, 1000*2); |
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399 // while ( trs == KRequestPending) { |
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400 // User::WaitForAnyRequest(); |
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401 // } |
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402 // timer.Cancel(); |
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403 // timer.Close(); |
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404 HandleOperatorL(TCalcEditLine::ECalcSqrt); |
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405 // HandleResultL only if sqrt was pressed after single operand. |
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406 if (iState == EOperatorOnlyResult) |
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407 HandleResultL(); |
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408 |
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409 break; |
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410 } |
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411 case ECalcCmdMemorySave: |
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412 { |
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413 HandleMemorySaveL(); |
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414 break; |
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415 } |
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416 case ECalcCmdMemoryRecall: |
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417 { |
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418 this->iLastResultSetected = EFalse; |
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419 HandleMemoryRecallL(); |
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420 break; |
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421 } |
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422 case ECalcCmdMemoryClear: |
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423 { |
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424 HandleMemoryClearL(); |
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425 break; |
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426 } |
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427 case ECalcCmdScrollUp: |
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428 { |
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429 HandleScrollUp(); |
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430 break; |
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431 } |
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432 case ECalcCmdScrollDown: |
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433 { |
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434 HandleScrollDown(); |
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435 break; |
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436 } |
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437 case ECalcCmdClearCalcAndHistory: |
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438 { |
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439 DoClearCalcAndHistoryL(); |
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440 break; |
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441 } |
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442 case EAknSoftkeyExit: |
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443 case EEikCmdExit: |
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444 { |
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445 STATIC_CAST(CCalcAppUi*, AppUi())->ExitCalculator(); |
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446 break; |
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447 } |
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448 case ECalcCmdHelp: |
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449 { |
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450 if (FeatureManager::FeatureSupported( KFeatureIdHelp )) |
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451 { |
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452 HlpLauncher::LaunchHelpApplicationL(iEikonEnv->WsSession(), AppUi()->AppHelpContextL()); |
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453 } |
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454 break; |
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455 } |
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456 case EAknSoftkeySelect: |
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457 { |
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458 iContainer->HandleMiddleSoftKey(); |
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459 break; |
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460 } |
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461 |
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462 //Below cases are possible only for Touch UI Layouts |
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463 case ECalcCmdOne: |
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464 { |
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465 iContainer->SetOperatorFromTouchL(1); |
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466 } |
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467 break; |
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468 case ECalcCmdTwo: |
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469 { |
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470 iContainer->SetOperatorFromTouchL(2); |
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471 } |
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472 break; |
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473 case ECalcCmdThree: |
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474 { |
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475 iContainer->SetOperatorFromTouchL(3); |
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476 } |
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477 break; |
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478 case ECalcCmdFour: |
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479 { |
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480 iContainer->SetOperatorFromTouchL(4); |
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481 } |
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482 break; |
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483 case ECalcCmdFive: |
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484 { |
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485 iContainer->SetOperatorFromTouchL(5); |
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486 } |
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487 break; |
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488 case ECalcCmdSix: |
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489 { |
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490 iContainer->SetOperatorFromTouchL(6); |
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491 } |
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492 break; |
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493 case ECalcCmdSeven: |
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494 { |
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495 iContainer->SetOperatorFromTouchL(7); |
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496 } |
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497 break; |
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498 |
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499 case ECalcCmdEight: |
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500 { |
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501 iContainer->SetOperatorFromTouchL(8); |
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502 } |
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503 break; |
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504 |
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505 case ECalcCmdNine: |
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506 { |
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507 iContainer->SetOperatorFromTouchL(9); |
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508 } |
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509 break; |
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510 |
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511 case ECalcCmdZero: |
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512 { |
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513 iContainer->SetOperatorFromTouchL(0); |
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514 } |
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515 break; |
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516 |
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517 case ECalcCmdSeparator: |
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518 { |
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519 iContainer->SetSeparatorFromTouchL(); |
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520 } |
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521 break; |
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522 case ECalcCmdCancel: |
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523 { |
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524 TInt repeat( iContainer->FuncmapSubPane()->IsKeyLongPressed() ); |
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525 iContainer->ClearInputKeyL( repeat ); |
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526 } |
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527 break; |
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528 |
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529 /****** If none of the cases handle the Aiw Help then it will come to the default case ****/ |
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530 default: |
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531 { |
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532 CArrayFix<TCoeHelpContext>* buf = AppUi()->AppHelpContextL(); |
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533 TCoeHelpContext& helpContext = buf->At(0); |
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534 TAiwVariant uidVariant; |
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535 TAiwVariant contextVariant; |
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536 uidVariant.Set(helpContext.iMajor); |
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537 TAiwGenericParam uidParam(EGenericParamHelpItem, uidVariant); contextVariant.Set(helpContext.iContext); |
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538 contextVariant.Set(helpContext.iContext); |
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539 TAiwGenericParam contextParam(EGenericParamHelpItem, contextVariant); |
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540 CAiwGenericParamList* list = CAiwGenericParamList::NewLC(); |
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541 list->AppendL(uidParam); |
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542 list->AppendL(contextParam); |
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543 iServiceHandler->ExecuteMenuCmdL(aCommand,*list,iServiceHandler->OutParamListL()); |
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544 CleanupStack::PopAndDestroy(list); |
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545 delete buf; |
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546 buf= NULL; |
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547 break; |
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548 } |
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549 } |
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550 } |
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551 |
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552 |
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553 // C++ default constructor can NOT contain any code, that |
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554 // might leave. |
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555 // |
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556 CCalcView::CCalcView(): |
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557 iState(EInitialMode), |
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558 iLatestInput(EOperand) |
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559 { |
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560 } |
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561 |
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562 |
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563 // --------------------------------------------------------- |
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564 // CCalcView::CreateContainerL |
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565 // Create CCalcContainer class |
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566 // (other items were commented in a header). |
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567 // --------------------------------------------------------- |
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568 // |
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569 void CCalcView::CreateContainerL() |
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570 { |
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571 iContainer = CCalcContainer::NewL(this); |
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572 |
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573 iContainer->SetMopParent(this); |
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574 |
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575 TRect mainPaneRect ; |
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576 TRect statusPaneRect; |
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577 |
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578 if (Layout_Meta_Data::IsLandscapeOrientation()) |
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579 |
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580 { |
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581 |
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582 AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EMainPane,mainPaneRect); |
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583 AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EStatusPane,statusPaneRect); |
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584 mainPaneRect.iTl= statusPaneRect.iTl; |
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585 |
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586 } |
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587 |
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588 else |
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589 |
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590 { |
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591 |
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592 AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EMainPane,mainPaneRect); |
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593 AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EStatusPane,statusPaneRect); |
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594 |
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595 mainPaneRect.iTl= statusPaneRect.iTl; |
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596 |
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597 } |
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598 |
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599 |
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600 iContainer->SetRect(mainPaneRect); |
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601 iEditorSubPane = iContainer->EditorPane(); |
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602 iOutputSheet = iContainer->OutputSheet(); |
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603 } |
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604 |
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605 |
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606 // --------------------------------------------------------- |
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607 // CCalcView::HandleResultL |
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608 // Handle result command |
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609 // (other items were commented in a header). |
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610 // --------------------------------------------------------- |
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611 // |
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612 void CCalcView::HandleResultL() |
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613 { |
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614 if (!HandleEqualSubRoutineL()) |
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615 { |
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616 iEditorSubPane->DrawNow(); |
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617 UpdateState(EEqual); |
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618 |
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619 iContainer->SetSqrtEnableL(); |
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620 iContainer->ShowPercentButton(EFalse); |
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621 iContainer->SetClearKeyEnable(); |
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622 } |
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623 } |
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624 |
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625 |
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626 // --------------------------------------------------------- |
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627 // CCalcView::HandleChangeSignL |
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628 // Handle ChangeSign command |
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629 // (other items were commented in a header). |
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630 // --------------------------------------------------------- |
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631 // |
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632 void CCalcView::HandleChangeSignL() |
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633 { |
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634 iEditorSubPane->DoChangeSignL(iState); |
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635 |
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636 if (iState == CCalcView::EOperandAndOperator) |
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637 { |
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638 UpdateState(EMemoryRecall); |
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639 } |
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640 } |
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641 |
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642 // --------------------------------------------------------- |
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643 // CCalcView::HandleLastResultL |
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644 // Handle LastResult command |
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645 // (other items were commented in a header). |
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646 // --------------------------------------------------------- |
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647 // |
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648 void CCalcView::HandleLastResultL() |
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649 { |
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650 iLastResultSetected = ETrue; |
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651 // Recall "LastResult", which is the answer based on latest "=" input. |
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652 iEditorSubPane->DoMemoryRecallOrLastResult( |
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653 iCalcDocument->LastResult(), iState); |
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654 |
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655 UpdateState(EMemoryRecall); |
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656 if ( iState == EOperandOnly && |
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657 iEditorSubPane->EditLine().CheckZeroL() ) |
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658 { |
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659 UpdateState(EAllClear); |
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660 } |
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661 iContainer->SetChangeSignEnableL(); |
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662 iContainer->SetSqrtEnableL(); |
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663 iContainer->SetClearKeyEnable(); |
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664 |
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665 //highlighting the sign "%". |
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666 if ( iState == EOperandAndOperatorAndOperand ) |
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667 { |
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668 iContainer->SetPercentEnableL(); |
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669 } |
|
670 } |
|
671 |
|
672 // --------------------------------------------------------- |
|
673 // CCalcView::HandleMemorySaveL |
|
674 // Handle MemorySave command |
|
675 // (other items were commented in a header). |
|
676 // --------------------------------------------------------- |
|
677 // |
|
678 void CCalcView::HandleMemorySaveL() |
|
679 { |
|
680 CCalcView::TKindOfInput kindOfInput(CCalcView::EMemorySave); |
|
681 |
|
682 if (iState == EOperandAndOperatorAndOperand) |
|
683 { |
|
684 if (HandleEqualSubRoutineL()) // Calculate result |
|
685 { |
|
686 return; |
|
687 } |
|
688 } |
|
689 else |
|
690 { |
|
691 if (iState == ESelectResult) |
|
692 { |
|
693 iCalcDocument->AddEmptyLine(); |
|
694 iOutputSheet->ScrollToBottomL(); |
|
695 iContainer->ScrollArrowUpdate(); |
|
696 iEditorSubPane->SetOperator(TCalcEditLine::ECalcOperatorNone); |
|
697 |
|
698 if (iEditorSubPane->EditLine().CheckZeroL()) |
|
699 { |
|
700 kindOfInput = CCalcView::EAllClear; |
|
701 } |
|
702 } |
|
703 } |
|
704 iCalcDocument->MemorySaveL(iEditorSubPane->EditorNumber()); |
|
705 iEditorSubPane->DrawNow(); |
|
706 UpdateState(kindOfInput); |
|
707 iContainer->SetChangeSignEnableL(); |
|
708 iContainer->SetSqrtEnableL(); |
|
709 } |
|
710 |
|
711 // --------------------------------------------------------- |
|
712 // CCalcView::HandleMemoryRecallL |
|
713 // Handle MemoryRecall command |
|
714 // (other items were commented in a header). |
|
715 // --------------------------------------------------------- |
|
716 // |
|
717 void CCalcView::HandleMemoryRecallL() |
|
718 { |
|
719 iEditorSubPane->DoMemoryRecallOrLastResult( |
|
720 iCalcDocument->Memory(), iState ); |
|
721 |
|
722 if ( iState == ESelectResult ) |
|
723 { |
|
724 iCalcDocument->AddEmptyLine(); |
|
725 iOutputSheet->ScrollToBottomL(); |
|
726 iContainer->ScrollArrowUpdate(); |
|
727 } |
|
728 |
|
729 UpdateState( EMemoryRecall ); |
|
730 if ( iState == EOperandOnly && |
|
731 iEditorSubPane->EditLine().CheckZeroL() ) |
|
732 { |
|
733 UpdateState( EAllClear ); |
|
734 } |
|
735 |
|
736 iContainer->SetChangeSignEnableL(); |
|
737 iContainer->SetSqrtEnableL(); |
|
738 |
|
739 iContainer->SetClearKeyEnable(); |
|
740 |
|
741 // highlighting the sign "%". |
|
742 if ( iState == EOperandAndOperatorAndOperand ) |
|
743 { |
|
744 iContainer->SetPercentEnableL(); |
|
745 } |
|
746 } |
|
747 |
|
748 // --------------------------------------------------------- |
|
749 // CCalcView::HandleMemoryClear |
|
750 // Handle MemoryClear command |
|
751 // (other items were commented in a header). |
|
752 // --------------------------------------------------------- |
|
753 // |
|
754 |
|
755 void CCalcView::HandleMemoryClearL() |
|
756 { |
|
757 iCalcDocument->MemoryClearL(); |
|
758 iEditorSubPane->DrawNow(); |
|
759 } |
|
760 |
|
761 // --------------------------------------------------------- |
|
762 // CCalcView::HandleScrollUp |
|
763 // Handle Scroll up button command |
|
764 // (other items were commented in a header). |
|
765 // --------------------------------------------------------- |
|
766 // |
|
767 void CCalcView::HandleScrollUp() |
|
768 { |
|
769 iOutputSheet->ScrollUp(); |
|
770 iContainer->ScrollArrowUpdate(); |
|
771 } |
|
772 |
|
773 // --------------------------------------------------------- |
|
774 // CCalcView::HandleScrollDown |
|
775 // Handle Scroll down button command |
|
776 // (other items were commented in a header). |
|
777 // --------------------------------------------------------- |
|
778 // |
|
779 void CCalcView::HandleScrollDown() |
|
780 { |
|
781 iOutputSheet->ScrollDown(); |
|
782 iContainer->ScrollArrowUpdate(); |
|
783 } |
|
784 |
|
785 // --------------------------------------------------------- |
|
786 // CCalcView::DoClearCalcAndHistoryL |
|
787 // Clear calculation history and clear calculation. |
|
788 // (other items were commented in a header). |
|
789 // --------------------------------------------------------- |
|
790 // |
|
791 void CCalcView::DoClearCalcAndHistoryL() |
|
792 { |
|
793 iCalcDocument->History()->ClearHistory(); |
|
794 iOutputSheet->NotifyClearHistoryL(); |
|
795 iContainer->ScrollArrowUpdate(); |
|
796 // Clear calculation |
|
797 TKeyEvent keyEvent; |
|
798 keyEvent.iCode = EKeyBackspace; |
|
799 keyEvent.iRepeats = 1; |
|
800 iEditorSubPane->OfferKeyEventL(keyEvent, EEventKey); |
|
801 iContainer->ShowPercentButton(EFalse); |
|
802 } |
|
803 |
|
804 |
|
805 // --------------------------------------------------------- |
|
806 // CCalcView::HandleOperatorL |
|
807 // Operator Handler common routin. |
|
808 // (other items were commented in a header). |
|
809 // --------------------------------------------------------- |
|
810 // |
|
811 void CCalcView::HandleOperatorL |
|
812 (TCalcEditLine::TCalcOperatorType aOperator) |
|
813 { |
|
814 TCalcEditLine editLine(iEditorSubPane->EditLine()); |
|
815 TReal64 editorNumber(iEditorSubPane->EditorNumber()); |
|
816 TReal64 result(editorNumber); |
|
817 |
|
818 this->iLastResultSetected = EFalse; |
|
819 // User has pressed % |
|
820 if (aOperator == TCalcEditLine::ECalcPercent) |
|
821 { |
|
822 if (iState == EOperandAndOperatorAndOperand) |
|
823 { |
|
824 editLine.TrimZeroL(); |
|
825 // Save the previous operator |
|
826 TCalcEditLine::TCalcOperatorType previousOperator = editLine.Operator(); |
|
827 // Set the operator to percent |
|
828 editLine.SetOperator(TCalcEditLine::ECalcPercent); |
|
829 |
|
830 |
|
831 // Calculate |
|
832 TRAPD(errorCode3, |
|
833 result = iCalcDocument->CalculateAndModifyHistoryL( |
|
834 editorNumber, editLine, previousOperator)); |
|
835 |
|
836 if (errorCode3) |
|
837 { |
|
838 iContainer->SetErrorCode(errorCode3); |
|
839 return; |
|
840 } |
|
841 |
|
842 iOutputSheet->ScrollToBottomL(); |
|
843 // Show the correct operand in the output sheet |
|
844 aOperator = previousOperator; |
|
845 // Set the state to EOperatorResult so that the HandleResult knows what to do |
|
846 UpdateState(EOperatorResult); |
|
847 } |
|
848 } |
|
849 |
|
850 // User has pressed sqrt |
|
851 else if (aOperator == TCalcEditLine::ECalcSqrt) |
|
852 { |
|
853 // We are in a middle of calculation chain |
|
854 if (iState == EOperandAndOperatorAndOperand) |
|
855 { |
|
856 editLine.TrimZeroL(); |
|
857 // Save the previous operator |
|
858 TCalcEditLine::TCalcOperatorType previousOperator = editLine.Operator(); |
|
859 // Set the operator to sqrt |
|
860 editLine.SetOperator(TCalcEditLine::ECalcSqrt); |
|
861 |
|
862 // First calculate the sqrt |
|
863 TRAPD(errorCode, |
|
864 result = iCalcDocument->CalculateAndNoHistoryL( |
|
865 editorNumber, editLine)); |
|
866 |
|
867 if (errorCode) |
|
868 { |
|
869 iContainer->SetErrorCode(errorCode); |
|
870 return; |
|
871 } |
|
872 |
|
873 // Set the operator to previous one |
|
874 editLine.SetOperator(previousOperator); |
|
875 // Result goes to the outputsheet |
|
876 editLine.SetNumber(result); |
|
877 |
|
878 // Calculate again |
|
879 TRAPD(errorCode2, |
|
880 result = iCalcDocument->CalculateAndAddHistoryL( |
|
881 result, editLine)); |
|
882 |
|
883 if (errorCode2) |
|
884 { |
|
885 iContainer->SetErrorCode(errorCode2); |
|
886 return; |
|
887 } |
|
888 // Set this so that we will display correct operator in the output sheet |
|
889 aOperator = previousOperator; |
|
890 iOutputSheet->ScrollToBottomL(); |
|
891 UpdateState(EOperator); |
|
892 // Dimm the square root and percent |
|
893 iContainer->ShowSqrtButton(EFalse); |
|
894 iContainer->ShowPercentButton(EFalse); |
|
895 } |
|
896 // Only operand and sqrt |
|
897 else |
|
898 { |
|
899 editLine.SetOperator(aOperator); |
|
900 |
|
901 // Trap harness, because the CalculateAndHistoryL leaves in case of negative operand |
|
902 TRAPD(errorCode, |
|
903 result = iCalcDocument->CalculateAndAddHistoryL( |
|
904 editorNumber, editLine)); |
|
905 |
|
906 if (errorCode) |
|
907 { |
|
908 iContainer->SetErrorCode(errorCode); |
|
909 return; |
|
910 } |
|
911 |
|
912 iOutputSheet->ScrollToBottomL(); |
|
913 //Set the state to EOperatorResult so that we know to call HandleResult later |
|
914 UpdateState(EOperatorResult); |
|
915 } |
|
916 } |
|
917 // Current state is state4 and previous input is MS, |
|
918 // provisional result is get and show this the editor. |
|
919 // And a line is not added to OutputSheet because a line |
|
920 // is already added. |
|
921 |
|
922 else if (iState == ESelectResult) |
|
923 { |
|
924 iCalcDocument->AddEmptyLine(); |
|
925 editLine.SetOperator(TCalcEditLine::ECalcOperatorNone); |
|
926 // Because the state is "User has selected result", |
|
927 // this function does not occur leave. |
|
928 result = iCalcDocument->CalculateAndAddHistoryL( |
|
929 editorNumber, editLine); |
|
930 iOutputSheet->ScrollToBottomL(); |
|
931 UpdateState(EOperator); |
|
932 iContainer->SetSqrtEnableL(); |
|
933 } |
|
934 |
|
935 // If a input is a operator and state is updated, |
|
936 // calculate and update history. |
|
937 else if (iState != EOperandAndOperator) |
|
938 { |
|
939 editLine.TrimZeroL(); |
|
940 |
|
941 // If the number in the EditLine is not a operand |
|
942 // we need to dim square root and percent buttons |
|
943 if (iState == EOperandAndOperatorAndOperand) |
|
944 { |
|
945 iContainer->ShowSqrtButton(EFalse); |
|
946 iContainer->ShowPercentButton(EFalse); |
|
947 } |
|
948 // Calculate by user's input |
|
949 TRAPD(errorCode, |
|
950 result = iCalcDocument->CalculateAndAddHistoryL( |
|
951 editorNumber, editLine)); |
|
952 |
|
953 if (errorCode) |
|
954 { |
|
955 iContainer->SetErrorCode(errorCode); |
|
956 return; |
|
957 } |
|
958 iOutputSheet->ScrollToBottomL(); |
|
959 UpdateState(EOperator); |
|
960 } |
|
961 |
|
962 iEditorSubPane->SetEditorNumber(result); |
|
963 iEditorSubPane->SetOperator(aOperator); |
|
964 |
|
965 if ( aOperator != TCalcEditLine::ECalcSqrt ) |
|
966 { |
|
967 iEditorSubPane->DrawNow(); |
|
968 } |
|
969 iContainer->ScrollArrowUpdate(); |
|
970 |
|
971 iContainer->SetClearKeyEnable(); |
|
972 if (aOperator == TCalcEditLine::ECalcAdd ||aOperator == TCalcEditLine::ECalcSubtract || |
|
973 aOperator == TCalcEditLine::ECalcMultiply ||aOperator == TCalcEditLine::ECalcDivide ) |
|
974 { |
|
975 iContainer->SetChangeSignDisable(); |
|
976 } |
|
977 |
|
978 } |
|
979 |
|
980 |
|
981 // --------------------------------------------------------- |
|
982 // CCalcView::HandleEqualSubRoutineL |
|
983 // Common routine for select result and MemorySave on two operands |
|
984 // and operator or State4. |
|
985 // (other items were commented in a header). |
|
986 // --------------------------------------------------------- |
|
987 // |
|
988 TInt CCalcView::HandleEqualSubRoutineL() |
|
989 { |
|
990 TCalcEditLine editLine(iEditorSubPane->EditLine()); |
|
991 TInt calculationError(KErrNone); |
|
992 TReal64 result(0); |
|
993 |
|
994 if (iState == EOperandAndOperator || iState == EOperatorOnlyResult) |
|
995 { |
|
996 // User has selected equal or operand and sqrt, or percent |
|
997 result = iCalcDocument->ProvisionalResult(); |
|
998 } |
|
999 else |
|
1000 { |
|
1001 editLine.TrimZeroL(); |
|
1002 // We are calculating the intermediate result. |
|
1003 // So we need to dim the sqrt and percent buttons. |
|
1004 iContainer->ShowSqrtButton(EFalse); |
|
1005 iContainer->ShowPercentButton(EFalse); |
|
1006 |
|
1007 if (iState == ESelectResult) |
|
1008 { |
|
1009 iCalcDocument->AddEmptyLine(); |
|
1010 editLine.SetOperator(TCalcEditLine::ECalcOperatorNone); |
|
1011 } |
|
1012 TRAP(calculationError, |
|
1013 result = iCalcDocument->CalculateAndAddHistoryL( |
|
1014 iEditorSubPane->EditorNumber(), editLine)); |
|
1015 } |
|
1016 |
|
1017 // If overflow or division by zero occurs, |
|
1018 // error message is displayed. |
|
1019 if (calculationError) |
|
1020 { |
|
1021 iContainer->SetErrorCode(calculationError); |
|
1022 } |
|
1023 else |
|
1024 { |
|
1025 iCalcDocument->AddEqualLineAndUpdateLastResultL(); |
|
1026 iEditorSubPane->SetEditorNumber(result); |
|
1027 iEditorSubPane->SetOperator(TCalcEditLine::ECalcEqual); |
|
1028 // Show result on the sheet |
|
1029 CCalcOutputSheet* sheet = iContainer->OutputSheet(); |
|
1030 sheet->ScrollToBottomL(); |
|
1031 iContainer->ScrollArrowUpdate(); |
|
1032 } |
|
1033 return calculationError; |
|
1034 } |
|
1035 |
|
1036 // ---------------------------------------------------- |
|
1037 // CCalcView::DoActivateL |
|
1038 // This is called when CCalcView becomes active. |
|
1039 // (other items were commented in a header). |
|
1040 // ---------------------------------------------------- |
|
1041 // |
|
1042 void CCalcView::DoActivateL |
|
1043 (const TVwsViewId& /* aPrevViewId */, |
|
1044 TUid /* aCustomMessageId */, |
|
1045 const TDesC8& /* aCustomMessage */) |
|
1046 { |
|
1047 if ( iContainer == NULL ) |
|
1048 { |
|
1049 CreateContainerL(); |
|
1050 AppUi()->AddToStackL( *this, iContainer ); |
|
1051 iContainer->ActivateL(); |
|
1052 } |
|
1053 |
|
1054 } |
|
1055 |
|
1056 // ---------------------------------------------------- |
|
1057 // CCalcView::DoDeactivate |
|
1058 // This is called when CCalcView becomes deactive. |
|
1059 // (other items were commented in a header). |
|
1060 // ---------------------------------------------------- |
|
1061 // |
|
1062 void CCalcView::DoDeactivate() |
|
1063 { |
|
1064 if ( iContainer ) |
|
1065 { |
|
1066 AppUi()->RemoveFromStack( iContainer ); |
|
1067 delete iContainer; |
|
1068 iContainer = NULL; |
|
1069 } |
|
1070 } |
|
1071 |
|
1072 // --------------------------------------------------------- |
|
1073 // CCalcView::Id |
|
1074 // Return UID of CCalcView |
|
1075 // (other items were commented in a header). |
|
1076 // --------------------------------------------------------- |
|
1077 // |
|
1078 TUid CCalcView::Id() const |
|
1079 { |
|
1080 return TUid::Uid(KCalcViewId); |
|
1081 } |
|
1082 |
|
1083 // --------------------------------------------------------- |
|
1084 // CCalcView::DynInitMenuPaneL |
|
1085 // This app can have only one menu. |
|
1086 // But menu of Calculator application is changed on State, memory etc. |
|
1087 // Therefore to delete meaningless items from menu, this function is defined. |
|
1088 // (other items were commented in a header). |
|
1089 // --------------------------------------------------------- |
|
1090 // |
|
1091 void CCalcView::DynInitMenuPaneL |
|
1092 (TInt aResourceId, |
|
1093 CEikMenuPane* aMenuPane) |
|
1094 { |
|
1095 if(iServiceHandler->HandleSubmenuL(*aMenuPane)) |
|
1096 { |
|
1097 return; |
|
1098 } |
|
1099 switch (aResourceId) |
|
1100 { |
|
1101 case (R_CALC_POPUPMENU): |
|
1102 { |
|
1103 |
|
1104 DynInitMainMenuPane(aMenuPane); |
|
1105 |
|
1106 /***** Get the context of the Help topic from here *****/ |
|
1107 CArrayFix<TCoeHelpContext>* buf= AppUi()->AppHelpContextL(); |
|
1108 TInt i= buf->Count(); |
|
1109 if(i!=0) |
|
1110 { |
|
1111 /***** Check whether our flag is defined or not *****/ |
|
1112 #ifdef RD_HELP_AIW_INTEGRATION |
|
1113 |
|
1114 /***** Call the AiwProvider's AddItemsL to attach the mnu items********/ |
|
1115 |
|
1116 iServiceHandler->InitializeMenuPaneL(*aMenuPane,aResourceId, |
|
1117 ECmdLast,iServiceHandler->InParamListL()); |
|
1118 /**** Set the old embedded help as dimmed one ****/ |
|
1119 aMenuPane->SetItemDimmed(ECalcCmdHelp, ETrue); |
|
1120 #else |
|
1121 /**** Set the Aiw Help as dimmed one as our feature flag is not defined ****/ |
|
1122 aMenuPane->SetItemDimmed(ECmdAiwPlaceHolder,ETrue); |
|
1123 #endif |
|
1124 } |
|
1125 else |
|
1126 { |
|
1127 /**** If the Feature flag is not defined dont show the Aiw Help ****/ |
|
1128 aMenuPane->SetItemDimmed(ECmdAiwPlaceHolder,ETrue); |
|
1129 } |
|
1130 |
|
1131 /******* Delete the buffer and make it to NULL *****/ |
|
1132 delete buf; |
|
1133 buf = NULL; |
|
1134 if (!FeatureManager::FeatureSupported( KFeatureIdHelp )) |
|
1135 { |
|
1136 aMenuPane->DeleteMenuItem(ECalcCmdHelp); |
|
1137 aMenuPane->DeleteMenuItem(ECmdAiwPlaceHolder); |
|
1138 } |
|
1139 break; |
|
1140 } |
|
1141 |
|
1142 case (R_CALC_MEMORY_MENU): |
|
1143 { |
|
1144 DynInitMemoryMenuPane(aMenuPane); |
|
1145 break; |
|
1146 } |
|
1147 default: |
|
1148 { |
|
1149 break; |
|
1150 } |
|
1151 } |
|
1152 } |
|
1153 // --------------------------------------------------------- |
|
1154 // CCalcView::HandleForegroundEventL |
|
1155 //Refresh and draw display ,paper and function map Icons. |
|
1156 // --------------------------------------------------------- |
|
1157 // |
|
1158 void CCalcView::HandleForegroundEventL(TBool aForeground) |
|
1159 { |
|
1160 if( (aForeground) && (STATIC_CAST(CCalcAppUi*, AppUi())->IsSkinChanged()) ) |
|
1161 { |
|
1162 iEditorSubPane->RefreshDisplaySideLBitmap(); |
|
1163 iEditorSubPane->RefreshDisplayCenterBitmap(); |
|
1164 iEditorSubPane->RefreshDisplaySideRBitmap(); |
|
1165 |
|
1166 iEditorSubPane->DrawNow(); |
|
1167 |
|
1168 iOutputSheet->RefreshPaperBitmap(); |
|
1169 iOutputSheet->RefreshScalablePaperBitmap(); |
|
1170 #ifdef __SCALABLE_ICONS |
|
1171 iOutputSheet->RefreshResultsLineBitmap(); |
|
1172 #endif |
|
1173 iOutputSheet->DrawNow(); |
|
1174 |
|
1175 iContainer->FunctionSubPane()->RefreshButtonIcons(); |
|
1176 for(TInt i =0; i< 10; i++) |
|
1177 { |
|
1178 iContainer->FunctionSubPane()->GetButtonBitmapControl(i)->DrawNow(); |
|
1179 } |
|
1180 } |
|
1181 else |
|
1182 { |
|
1183 CAknView::HandleForegroundEventL(aForeground); |
|
1184 } |
|
1185 } |
|
1186 |
|
1187 |
|
1188 // End of File |