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 public: // Functions from base classes |
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177 /** |
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178 * From CCoeControl : Get help context |
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179 * @param aContext : help context. |
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180 */ |
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181 void GetHelpContext(TCoeHelpContext& aContext) const; |
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182 |
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183 /** |
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184 *Returns functionMap subpane |
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185 */ |
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186 inline CCalcFuncmapSubPane* FunctionSubPane() const; |
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187 |
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188 /** |
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189 * HandleMiddleSoftKey |
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190 * Handled when MSK is selected |
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191 */ |
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192 void HandleMiddleSoftKey(); |
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193 |
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194 /** |
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195 * SetOperatorFromTouch |
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196 * To handle the addition of Touch Input values for digits |
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197 */ |
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198 void SetOperatorFromTouchL(TInt akey); |
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199 |
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200 /** |
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201 * ClearInputKey |
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202 * To handle the clear input key through the touch UI |
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203 */ |
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204 void ClearInputKeyL(TInt aRepeat = 0); |
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205 |
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206 /** |
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207 * ClearInputKey |
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208 * To handle the '.' key press |
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209 */ |
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210 |
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211 void SetSeparatorFromTouchL(); |
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212 |
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213 // From CCoeControl |
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214 void ActivateL(); |
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215 private: // New functions |
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216 /** |
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217 * C++ default constructor. |
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218 * @param aView : Pointer of CCalcView |
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219 */ |
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220 CCalcContainer(); |
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221 |
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222 /** |
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223 * Second-phase constructor. |
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224 */ |
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225 void ConstructL(CCalcView* aView); |
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226 |
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227 /** |
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228 * If no key is pressed until timeout of *-key, |
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229 * this function is called. |
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230 */ |
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231 void DoTimeoutL(); |
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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 DoTimeoutChrL(); |
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238 /** |
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239 * If no key is pressed until timeout of +#key, |
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240 * this function is called. |
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241 */ |
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242 void DoTimeoutShiftL(); |
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243 |
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244 /** |
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245 * Called when any key is pressed. |
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246 * If timeout notifier for *-key is active, make calculation or |
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247 * stop notifier according to user's input. |
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248 * @param aKeyEvent : The key event |
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249 * @param aType : The type of the event |
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250 * @return : If ETrue, the key event is used only for *-key timeout. |
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251 * If EFalse, the key event is used not only for *-key |
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252 * timeout but also for other effect of each key. |
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253 */ |
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254 TBool HandleAsterKeyTimeoutForKeyPressL( |
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255 const TKeyEvent& aKeyEvent, TEventCode aType); |
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256 |
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257 /** |
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258 * Called when any key is pressed. |
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259 * If timeout notifier for * /key is active, make calculation or |
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260 * stop notifier according to user's input. |
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261 * @param aKeyEvent : The key event |
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262 * @param aType : The type of the event |
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263 * @return : If ETrue, the key event is used only for * /key timeout. |
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264 * If EFalse, the key event is used not only for *+key |
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265 * timeout but also for other effect of each key. |
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266 */ |
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267 TBool HandleChrKeyTimeoutForKeyPressL( |
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268 const TKeyEvent& aKeyEvent, TEventCode aType ); |
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269 /** |
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270 * Called when any key is pressed. |
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271 * If timeout notifier for +#key is active, make calculation or |
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272 * stop notifier according to user's input. |
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273 * @param aKeyEvent : The key event |
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274 * @param aType : The type of the event |
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275 * @return : If ETrue, the key event is used only for +#key timeout. |
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276 * If EFalse, the key event is used not only for +#key |
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277 * timeout but also for other effect of each key. |
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278 */ |
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279 TBool HandleShiftKeyTimeoutForKeyPressL( |
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280 const TKeyEvent& aKeyEvent, TEventCode aType ); |
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281 |
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282 private: // Functions from base classes |
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283 /** |
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284 * From CCoeControl : Return count of controls contained in a compound control. |
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285 * @return Count of controls contained in a compound control |
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286 */ |
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287 TInt CountComponentControls() const; |
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288 |
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289 /** |
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290 * From CCoeControl : Get the components of a compound control |
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291 * @param aIndex : index of control |
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292 * @return Control of argument aIndex |
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293 */ |
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294 CCoeControl* ComponentControl(TInt aIndex) const; |
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295 |
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296 /** |
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297 * From CCoeControl : Handling key event |
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298 * @param aKeyEvent : The key event |
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299 * @param aType : The type of the event |
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300 * @return EKeyWasConsumed : Key event is used. |
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301 * EKeyWasNotConsumed : Key event is not used. |
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302 */ |
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303 TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent, |
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304 TEventCode aType); |
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305 |
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306 /** |
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307 * From CCoeControl : Notifier for changing language |
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308 * @param aType : Type of resource change |
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309 */ |
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310 void HandleResourceChange(TInt aType); |
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311 |
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312 /** |
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313 * @param aType : Type of resource change |
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314 */ |
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315 void HandleResourceChangeCalSoftL(TInt aType); |
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316 |
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317 /** |
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318 * From CCoeControl : Control size is set. |
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319 */ |
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320 void SizeChanged(); |
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321 |
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322 /** |
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323 * From CCoeControl : Clear whole rectangle. |
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324 * @param aRect : rectangle of control |
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325 */ |
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326 void Draw(const TRect& aRect) const; |
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327 |
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328 /** |
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329 * From CCoeControl. |
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330 * Pass skin information if need. |
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331 * @param aId : Type of supplied object. |
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332 */ |
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333 TTypeUid::Ptr MopSupplyObject(TTypeUid aId); |
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334 /** |
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335 * From CCoeControl : Handling pointer event |
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336 * @param aKeyEvent : The key event |
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337 * |
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338 */ |
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339 void HandlePointerEventL |
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340 ( const TPointerEvent& aKeyEvent ); |
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341 |
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342 private: // Data |
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343 CCalcEditorSubPane* iEditorPane; // Editor subpane |
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344 CCalcFuncmapSubPane* iFuncmapPane; // FunctionMap subpane |
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345 CCalcOutputSheet* iSheetPane; // OutputSheet |
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346 CCalcView* iView; // Calculator view |
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347 CCalcDocument* iCalcDocument; |
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348 CPeriodic* iTimeout; // For handling *-key |
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349 |
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350 CPeriodic* iTimeoutChr; // For handling */key |
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351 CPeriodic* iTimeoutShift; // For handling +#key |
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352 |
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353 TUint iPrevInput; // Key code of previous input |
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354 CAknsBasicBackgroundControlContext* iSkinContext; // skin data |
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355 TInt iValue ; |
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356 }; |
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357 |
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358 #include "CalcCont.inl" |
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359 |
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360 #endif // CALCCONT_H |
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361 |
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362 // End of File |
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