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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: Header file of "CCalcContainer", CCalcContainer class |
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15 * which derived from CCoeControl class. Role of this class |
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16 * is to update the calculator data and display on user's input. |
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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 #ifndef CALCCONT_H |
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22 #define CALCCONT_H |
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23 |
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24 |
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25 // INCLUDES |
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26 #include <coecntrl.h> |
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27 |
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28 #include "CalcEditline.h" |
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29 #include "CalcView.h" |
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30 |
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31 |
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32 // FORWARD DECLARATIONS |
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33 class CCalcEditorSubPane; |
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34 class CCalcFuncmapSubPane; |
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35 class CCalcOutputSheet; |
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36 class CCalcView; |
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37 class CCalcDocument; |
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38 class CPeriodic; |
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39 class CAknsBasicBackgroundControlContext; |
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40 //Enum declarations for touch values |
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41 enum enlayout_values |
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42 { |
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43 enTouch_disabled = 0, |
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44 enTouch_enabled, |
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45 enTouch_with_prt, |
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46 enTouch_with_lsc |
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47 }; |
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48 // CLASS DEFINITIONS |
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49 |
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50 /** |
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51 CCalcContainer : 'Main-Pane' class |
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52 */ |
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53 class CCalcContainer |
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54 :public CCoeControl |
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55 { |
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56 public: // Constructors and destructor |
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57 /** |
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58 * Two-phased constructor. |
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59 */ |
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60 static CCalcContainer* NewL(CCalcView* aView); |
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61 |
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62 /** |
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63 * Destructor. |
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64 */ |
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65 virtual ~CCalcContainer(); |
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66 |
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67 |
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68 public: // New functions |
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69 /** |
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70 * Return pointer of FunctionMap subpane class |
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71 * @return Pointer of FunctionMap subpane class |
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72 */ |
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73 inline CCalcFuncmapSubPane* FuncmapSubPane() const; |
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74 |
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75 /** |
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76 * Return pointer of editor subpane. |
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77 * @return Pointer of Editor subpane class |
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78 */ |
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79 inline CCalcEditorSubPane* EditorPane() const; |
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80 |
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81 /** |
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82 * Return pointer of OutputSheet. |
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83 * @return Pointer of OutputSheet class |
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84 */ |
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85 inline CCalcOutputSheet* OutputSheet() const; |
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86 |
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87 /** |
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88 * Return pointer of CCalcView. |
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89 * @return Pointer of CCalcView class |
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90 */ |
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91 inline CCalcView* View() const; |
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92 |
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93 /** |
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94 * The pretreatment of a numerical input is performed. |
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95 */ |
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96 void ProcessPreinputL(); |
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97 |
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98 /** |
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99 * Clear editor, |
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100 * and if need, empty line is added to calculation history. |
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101 */ |
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102 void InputClearL(); |
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103 |
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104 /** |
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105 * Redraw scroll-up and down button on scrolling enable. |
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106 */ |
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107 void ScrollArrowUpdate(); |
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108 |
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109 /** |
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110 * Redraw ChangeSign button on ChangeSign enable. |
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111 */ |
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112 void SetChangeSignEnableL(); |
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113 |
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114 /** |
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115 * Redraw ChangeSign button on ChangeSign disable. |
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116 */ |
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117 void SetChangeSignDisable(); |
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118 |
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119 /** |
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120 * Redraw Clear button on ClearKey enable. |
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121 */ |
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122 void SetClearKeyEnable(); |
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123 |
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124 /** |
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125 * Show square root button only if no 0 in editor. |
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126 */ |
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127 void SetSqrtEnableL(); |
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128 |
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129 /** |
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130 * Show percent button only if no 0 in editor. |
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131 */ |
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132 void SetPercentEnableL(); |
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133 |
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134 /** |
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135 * Redraw square root button. |
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136 */ |
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137 void ShowSqrtButton(TBool aEnable); |
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138 |
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139 /** |
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140 * Redraw percent button. |
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141 */ |
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142 void ShowPercentButton(TBool aEnable); |
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143 |
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144 /** |
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145 * Returns the state of the calculator. |
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146 */ |
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147 CCalcView::TStateNo GetState(); |
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148 |
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149 /** |
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150 * Time out CallBack function for *-key press |
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151 * @param aObject this class. |
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152 * @return always 0 |
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153 */ |
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154 static TInt TimeoutCallbackL(TAny* aObject); |
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155 |
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156 /** |
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157 * Time out CallBack function for * /key press |
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158 * @param aObject this class. |
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159 * @return always 0 |
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160 */ |
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161 static TInt TimeoutCallbackChrL( TAny* aObject ); |
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162 /** |
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163 * Time out CallBack function for +#key press |
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164 * @param aObject this class. |
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165 * @return always 0 |
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166 */ |
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167 static TInt TimeoutCallbackShiftL( TAny* aObject ); |
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168 |
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169 /** |
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170 * Notify changing decimal separator. |
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171 * @param aOld : Old decimal separator |
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172 * @param aNew : New decimal separator |
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173 */ |
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174 void NotifyChangeDecimal(TChar aOld, TChar aNew); |
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175 |
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176 /** |
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177 * Called when an error is displayed. |
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178 * @param aErrorCode : an error code from CCalcContainer |
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179 */ |
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180 void SetErrorCode(TInt aErrorCode); |
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181 |
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182 public: // Functions from base classes |
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183 /** |
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184 * From CCoeControl : Get help context |
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185 * @param aContext : help context. |
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186 */ |
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187 void GetHelpContext(TCoeHelpContext& aContext) const; |
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188 |
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189 /** |
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190 *Returns functionMap subpane |
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191 */ |
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192 inline CCalcFuncmapSubPane* FunctionSubPane() const; |
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193 |
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194 /** |
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195 * HandleMiddleSoftKey |
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196 * Handled when MSK is selected |
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197 */ |
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198 void HandleMiddleSoftKey(); |
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199 |
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200 /** |
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201 * SetOperatorFromTouch |
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202 * To handle the addition of Touch Input values for digits |
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203 */ |
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204 void SetOperatorFromTouchL(TInt akey); |
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205 |
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206 /** |
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207 * ClearInputKey |
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208 * To handle the clear input key through the touch UI |
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209 */ |
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210 void ClearInputKeyL(TInt aRepeat = 0); |
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211 |
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212 /** |
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213 * ClearInputKey |
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214 * To handle the '.' key press |
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215 */ |
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216 |
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217 void SetSeparatorFromTouchL(); |
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218 |
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219 // From CCoeControl |
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220 void ActivateL(); |
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221 private: // New functions |
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222 /** |
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223 * C++ default constructor. |
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224 * @param aView : Pointer of CCalcView |
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225 */ |
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226 CCalcContainer(); |
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227 |
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228 /** |
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229 * Second-phase constructor. |
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230 */ |
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231 void ConstructL(CCalcView* aView); |
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232 |
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233 /** |
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234 * If no key is pressed until timeout of *-key, |
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235 * this function is called. |
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236 */ |
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237 void DoTimeoutL(); |
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238 |
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239 /** |
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240 * If no key is pressed until timeout of * /key, |
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241 * this function is called. |
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242 */ |
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243 void DoTimeoutChrL(); |
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244 /** |
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245 * If no key is pressed until timeout of +#key, |
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246 * this function is called. |
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247 */ |
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248 void DoTimeoutShiftL(); |
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249 |
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250 /** |
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251 * Called when any key is pressed. |
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252 * If timeout notifier for *-key is active, make calculation or |
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253 * stop notifier according to user's input. |
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254 * @param aKeyEvent : The key event |
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255 * @param aType : The type of the event |
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256 * @return : If ETrue, the key event is used only for *-key timeout. |
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257 * If EFalse, the key event is used not only for *-key |
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258 * timeout but also for other effect of each key. |
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259 */ |
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260 TBool HandleAsterKeyTimeoutForKeyPressL( |
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261 const TKeyEvent& aKeyEvent, TEventCode aType); |
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262 |
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263 /** |
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264 * Called when any key is pressed. |
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265 * If timeout notifier for * /key is active, make calculation or |
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266 * stop notifier according to user's input. |
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267 * @param aKeyEvent : The key event |
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268 * @param aType : The type of the event |
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269 * @return : If ETrue, the key event is used only for * /key timeout. |
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270 * If EFalse, the key event is used not only for *+key |
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271 * timeout but also for other effect of each key. |
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272 */ |
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273 TBool HandleChrKeyTimeoutForKeyPressL( |
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274 const TKeyEvent& aKeyEvent, TEventCode aType ); |
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275 /** |
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276 * Called when any key is pressed. |
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277 * If timeout notifier for +#key is active, make calculation or |
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278 * stop notifier according to user's input. |
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279 * @param aKeyEvent : The key event |
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280 * @param aType : The type of the event |
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281 * @return : If ETrue, the key event is used only for +#key timeout. |
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282 * If EFalse, the key event is used not only for +#key |
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283 * timeout but also for other effect of each key. |
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284 */ |
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285 TBool HandleShiftKeyTimeoutForKeyPressL( |
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286 const TKeyEvent& aKeyEvent, TEventCode aType ); |
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287 |
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288 private: // Functions from base classes |
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289 /** |
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290 * From CCoeControl : Return count of controls contained in a compound control. |
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291 * @return Count of controls contained in a compound control |
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292 */ |
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293 TInt CountComponentControls() const; |
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294 |
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295 /** |
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296 * From CCoeControl : Get the components of a compound control |
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297 * @param aIndex : index of control |
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298 * @return Control of argument aIndex |
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299 */ |
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300 CCoeControl* ComponentControl(TInt aIndex) const; |
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301 |
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302 /** |
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303 * From CCoeControl : Handling key event |
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304 * @param aKeyEvent : The key event |
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305 * @param aType : The type of the event |
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306 * @return EKeyWasConsumed : Key event is used. |
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307 * EKeyWasNotConsumed : Key event is not used. |
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308 */ |
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309 TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent, |
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310 TEventCode aType); |
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311 |
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312 /** |
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313 * From CCoeControl : Notifier for changing language |
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314 * @param aType : Type of resource change |
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315 */ |
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316 void HandleResourceChange(TInt aType); |
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317 |
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318 /** |
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319 * @param aType : Type of resource change |
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320 */ |
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321 void HandleResourceChangeCalSoftL(TInt aType); |
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322 |
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323 /** |
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324 * From CCoeControl : Control size is set. |
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325 */ |
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326 void SizeChanged(); |
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327 |
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328 /** |
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329 * From CCoeControl : Clear whole rectangle. |
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330 * @param aRect : rectangle of control |
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331 */ |
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332 void Draw(const TRect& aRect) const; |
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333 |
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334 /** |
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335 * From CCoeControl. |
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336 * Pass skin information if need. |
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337 * @param aId : Type of supplied object. |
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338 */ |
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339 TTypeUid::Ptr MopSupplyObject(TTypeUid aId); |
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340 /** |
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341 * From CCoeControl : Handling pointer event |
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342 * @param aKeyEvent : The key event |
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343 * |
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344 */ |
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345 void HandlePointerEventL |
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346 ( const TPointerEvent& aKeyEvent ); |
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347 |
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348 private: // Data |
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349 CCalcEditorSubPane* iEditorPane; // Editor subpane |
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350 CCalcFuncmapSubPane* iFuncmapPane; // FunctionMap subpane |
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351 CCalcOutputSheet* iSheetPane; // OutputSheet |
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352 CCalcView* iView; // Calculator view |
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353 CCalcDocument* iCalcDocument; |
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354 CPeriodic* iTimeout; // For handling *-key |
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355 |
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356 CPeriodic* iTimeoutChr; // For handling */key |
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357 CPeriodic* iTimeoutShift; // For handling +#key |
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358 |
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359 TUint iPrevInput; // Key code of previous input |
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360 CAknsBasicBackgroundControlContext* iSkinContext; // skin data |
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361 TInt iValue ; |
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362 }; |
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363 |
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364 #include "CalcCont.inl" |
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365 |
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366 #endif // CALCCONT_H |
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367 |
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368 // End of File |