1 /* |
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2 * Copyright (c) 2009 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: File Implements the various input events, including custom events. |
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15 * |
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16 */ |
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17 |
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18 |
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19 #include <alf/alfenv.h> |
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20 #include <alf/alfevent.h> |
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21 #include <alf/alfvisual.h> |
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22 #include <osn/osncommon.h> |
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23 #include "alf/alfreferencetovisual.h" |
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24 #include <alf/alfexceptions.h> |
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25 #include "alf/alfattribute.h" |
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26 #include "alf/alfwidget.h" |
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27 #include "alf/ialfattributeowner.h" |
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28 #include <alf/alfwidgetevents.h> |
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29 #include <alf/alfwidgetcommand.h> |
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30 #include "alfeventinput.h" |
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31 |
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32 namespace Alf |
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33 { |
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34 |
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35 |
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36 // ======== LOCAL FUNCTIONS ======== |
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37 |
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38 // ======== MEMBER FUNCTIONS ======== |
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39 |
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40 AlfEventInput::AlfEventInput(int aEvtTypeFlags,int aEventID,int aEventData, int aKeyEventModifiers) |
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41 { |
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42 mEventTypeFlags = aEvtTypeFlags; |
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43 mEventID = aEventID; |
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44 mEventData = aEventData; |
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45 mKeyEventModifiers = aKeyEventModifiers; |
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46 } |
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47 |
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48 // --------------------------------------------------------------------------- |
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49 // ?implementation_description |
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50 // --------------------------------------------------------------------------- |
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51 // |
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52 bool AlfEventInput::accept( const TAlfEvent& aEvent ) const |
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53 { |
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54 bool ret = false; |
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55 |
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56 // Custom event |
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57 if ( aEvent.Type() == TAlfEvent::ETypeCustom && |
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58 ( mEventTypeFlags & custom ) && |
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59 aEvent.CustomParameter() == mEventID ) |
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60 { |
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61 // If event data is defined to be used, it must match also |
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62 if ( ( mEventTypeFlags & useEventData ) == 0 || |
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63 aEvent.CustomEventData() == mEventData ) |
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64 { |
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65 ret = true; |
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66 } |
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67 } |
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68 // Key event |
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69 else if( aEvent.Type() == TAlfEvent::ETypeKey && |
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70 ( mEventTypeFlags & custom ) == 0 && |
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71 aEvent.KeyEvent().iScanCode == mEventID ) |
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72 { |
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73 // Test that key event up/down matches |
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74 |
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75 // keyDown triggers from EEventKey event. |
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76 // keyUp triggers from EEventKeyUp event. |
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77 |
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78 if ( ( mEventTypeFlags & keyDown && |
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79 aEvent.Code() == EEventKey ) || |
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80 ( mEventTypeFlags & keyUp && |
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81 aEvent.Code() == EEventKeyUp ) ) |
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82 { |
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83 // Set trigger status true first, match checks will change it to false if no match. |
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84 ret = true; |
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85 |
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86 // If no modifiers requested, no need to check anything |
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87 if ( mKeyEventModifiers ) |
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88 { |
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89 uint receivedModifiers = aEvent.KeyEvent().iModifiers; |
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90 |
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91 while ( true ) |
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92 { |
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93 if ( mKeyEventModifiers & alt ) |
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94 { |
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95 if ( !(receivedModifiers & (eventBitLeftAlt|eventBitRightAlt|eventBitAlt)) ) |
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96 { |
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97 ret = false; |
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98 break; |
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99 } |
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100 } |
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101 if ( mKeyEventModifiers & ctrl ) |
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102 { |
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103 if ( !(receivedModifiers & (eventBitLeftCtrl|eventBitRightCtrl|eventBitCtrl)) ) |
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104 { |
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105 ret = false; |
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106 break; |
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107 } |
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108 } |
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109 if ( mKeyEventModifiers & shift ) |
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110 { |
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111 if ( !(receivedModifiers & (eventBitLeftShift|eventBitRightShift|eventBitShift)) ) |
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112 { |
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113 ret = false; |
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114 break; |
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115 } |
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116 } |
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117 if ( mKeyEventModifiers & func ) |
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118 { |
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119 if ( !(receivedModifiers & (eventBitLeftFunc|eventBitRightFunc|eventBitFunc)) ) |
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120 { |
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121 ret = false; |
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122 break; |
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123 } |
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124 } |
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125 |
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126 break; |
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127 } |
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128 |
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129 if ( mKeyEventModifiers & capsLock && !(receivedModifiers & eventBitCapsLock) ) |
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130 { |
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131 ret = false; |
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132 } |
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133 |
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134 if ( mKeyEventModifiers & numLock && !(receivedModifiers & eventBitNumLock) ) |
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135 { |
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136 ret = false; |
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137 } |
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138 |
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139 if ( mKeyEventModifiers & scrollLock && !(receivedModifiers & eventBitScrollLock) ) |
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140 { |
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141 ret = false; |
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142 } |
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143 } |
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144 } |
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145 } |
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146 |
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147 return ret; |
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148 } |
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149 |
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150 // --------------------------------------------------------------------------- |
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151 // ?description_if_needed |
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152 // --------------------------------------------------------------------------- |
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153 // |
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154 AlfPointerEventInput::AlfPointerEventInput() |
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155 { |
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156 } |
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157 |
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158 // --------------------------------------------------------------------------- |
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159 // ?description_if_needed |
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160 // --------------------------------------------------------------------------- |
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161 // |
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162 AlfPointerEventInput::AlfPointerEventInput( const char* aElementName, |
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163 const char* aVisualName, |
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164 WidgetPointerEvent aEvent ) |
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165 { |
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166 mVisualRef.reset(AlfReferenceToVisual::create(aElementName, aVisualName, true )); |
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167 mEvent = aEvent; |
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168 } |
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169 |
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170 // --------------------------------------------------------------------------- |
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171 // ?description_if_needed |
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172 // --------------------------------------------------------------------------- |
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173 // |
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174 AlfPointerEventInput::~AlfPointerEventInput() |
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175 { |
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176 } |
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177 |
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178 // --------------------------------------------------------------------------- |
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179 // ?implementation_description |
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180 // --------------------------------------------------------------------------- |
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181 // |
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182 bool AlfPointerEventInput::accept( |
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183 CAlfWidgetControl& aControl, const TAlfEvent& aEvent ) const |
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184 { |
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185 // Check whether the tapped visual matches with element and visual names |
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186 // of this pointer event input. |
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187 bool ret = false; |
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188 |
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189 // map OSN pointer event to TPointerEvent::TType |
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190 TPointerEvent::TType eventType = TPointerEvent::EButton1Down; |
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191 switch (mEvent) |
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192 { |
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193 case pointerEventDown: |
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194 eventType = TPointerEvent::EButton1Down; |
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195 break; |
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196 case pointerEventUp: |
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197 eventType = TPointerEvent::EButton1Up; |
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198 break; |
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199 case pointerEventDrag: |
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200 eventType = TPointerEvent::EDrag; |
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201 break; |
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202 default: |
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203 break; |
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204 } |
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205 |
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206 ret = aEvent.IsPointerEvent() && |
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207 (eventType == aEvent.PointerEvent().iType) && |
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208 mVisualRef->resolve( aControl, aEvent.Visual()); |
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209 |
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210 return ret; |
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211 } |
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212 // --------------------------------------------------------------------------- |
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213 // Class AlfWidgetAttributeInput |
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214 // --------------------------------------------------------------------------- |
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215 // |
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216 AlfWidgetAttributeInput::AlfWidgetAttributeInput( AlfAttribute& aAttribute, |
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217 const char* aElementId ) |
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218 { |
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219 mAttr = &aAttribute; |
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220 mElementId = ""; |
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221 if (aElementId) |
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222 { |
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223 mElementId = aElementId; |
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224 } |
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225 } |
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226 |
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227 AlfWidgetAttributeInput::AlfWidgetAttributeInput() |
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228 { |
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229 } |
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230 |
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231 AlfWidgetAttributeInput::~AlfWidgetAttributeInput() |
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232 { |
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233 delete mAttr; |
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234 } |
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235 |
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236 bool AlfWidgetAttributeInput::accept(const TAlfEvent& aEvent) const |
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237 { |
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238 bool accept(false); |
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239 |
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240 if (aEvent.IsCustomEvent()) |
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241 { |
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242 unsigned int eventID = aEvent.CustomParameter(); |
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243 if (eventID == EEventWidgetAttributeChanged) |
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244 { |
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245 TAlfWidgetAttributeCommand* command = |
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246 (TAlfWidgetAttributeCommand*)aEvent.CustomEventData(); |
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247 AlfAttribute* attribute = command->mOwnedAttribute; |
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248 const char* name = attribute->name(); |
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249 const char* targetelement = command->mTarget.getUtf8(); |
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250 |
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251 accept = true; |
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252 if (!mElementId.isEmpty() && targetelement) |
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253 { |
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254 if ( strcmp(mElementId.getUtf8(), targetelement) ) |
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255 { |
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256 accept = false; |
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257 } |
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258 } |
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259 |
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260 if (accept) |
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261 { |
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262 accept= false; |
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263 if (!strcmp(mAttr->name(), name)) |
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264 { |
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265 accept = true; |
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266 } |
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267 } |
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268 } |
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269 } |
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270 |
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271 return accept; |
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272 } |
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273 // --------------------------------------------------------------------------- |
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274 // Class AlfEventPasserInput |
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275 // --------------------------------------------------------------------------- |
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276 // |
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277 // AlfEventInput could be used instead of this class, it contains all the same |
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278 // functionality! |
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279 // |
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280 AlfEventPasserInput::AlfEventPasserInput( int aEventId, int aEventData ) |
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281 { |
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282 mEventId = aEventId; |
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283 mEventData = aEventData;//not used yet... |
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284 } |
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285 |
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286 AlfEventPasserInput::AlfEventPasserInput() |
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287 { |
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288 } |
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289 |
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290 AlfEventPasserInput::~AlfEventPasserInput() |
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291 { |
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292 } |
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293 |
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294 bool AlfEventPasserInput::accept( const TAlfEvent& aEvent ) const |
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295 { |
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296 // check whether the event matches to the one we need to pass to another widget |
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297 |
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298 return aEvent.IsCustomEvent() && |
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299 aEvent.CustomParameter() == mEventId; |
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300 } |
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301 |
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302 }//Alf |
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303 |
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304 // End of File. |
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