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1 /* |
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2 * Copyright (c) 1997-1999 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: |
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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 <eikbutb.h> |
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20 #include <coemain.h> |
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21 #include "LAFBUTB.H" |
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22 |
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23 const TInt KButtonStateMask =0x000f; |
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24 const TInt KButtonPressedMask =0x0010; |
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25 const TInt KButtonDrawStateMask =0x001f; |
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26 const TInt KButtonReportOnPointerDown =0x0020; |
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27 const TInt KButtonTristate =0x0040; |
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28 const TInt KButtonAllowTristate =0x0080; |
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29 const TInt KButtonBehaviorMask =0x0f00; |
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30 |
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31 const TInt KAnimationDelayInMicroSeconds=50000; |
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32 |
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33 /** |
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34 * Gets the list of logical colors employed in the drawing of the control, |
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35 * paired with an explanation of how they are used. Appends the list to aColorUseList. |
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36 * |
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37 * @since ER5U |
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38 */ |
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39 EXPORT_C void CEikButtonBase::GetColorUseListL(CArrayFix<TCoeColorUse>& /*aColorUseList*/) const |
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40 { |
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41 } |
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42 |
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43 /** |
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44 * Handles a change to the control's resources of type aType |
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45 * which are shared across the environment, e.g. colors or fonts. |
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46 * |
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47 * @since ER5U |
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48 */ |
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49 EXPORT_C void CEikButtonBase::HandleResourceChange(TInt aType) |
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50 { |
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51 CCoeControl::HandleResourceChange(aType); |
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52 } |
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53 |
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54 EXPORT_C CEikButtonBase::~CEikButtonBase() |
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55 { |
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56 } |
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57 |
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58 EXPORT_C CEikButtonBase::CEikButtonBase() |
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59 { |
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60 __DECLARE_NAME(_S("CEikButtonBase")); |
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61 } |
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62 |
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63 EXPORT_C void CEikButtonBase::SetCoordinator(TEikButtonCoordinator* aButCoord) |
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64 { |
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65 iButCoord=aButCoord; |
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66 } |
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67 |
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68 EXPORT_C CEikButtonBase::TState CEikButtonBase::State() const |
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69 { |
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70 return((TState)(iButFlags&KButtonStateMask)); |
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71 } |
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72 |
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73 EXPORT_C void CEikButtonBase::SetState(TState aState) |
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74 { |
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75 iButFlags&=(~KButtonStateMask); |
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76 iButFlags|=aState; |
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77 if (aState==EIndeterminate && iButFlags&KButtonAllowTristate) |
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78 iButFlags|=KButtonTristate; |
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79 if (aState==ESet && iButCoord) |
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80 iButCoord->SetChosenButton(this); |
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81 StateChanged(); |
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82 } |
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83 |
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84 EXPORT_C void CEikButtonBase::StateChanged() |
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85 { |
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86 } |
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87 |
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88 EXPORT_C TBool CEikButtonBase::IsPressed() const |
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89 { |
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90 return(iButFlags&KButtonPressedMask); |
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91 } |
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92 |
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93 EXPORT_C CEikButtonBase::TDrawState CEikButtonBase::DrawState() const |
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94 { |
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95 return((TDrawState)(iButFlags&KButtonDrawStateMask)); |
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96 } |
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97 |
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98 EXPORT_C void CEikButtonBase::CopyDrawStateTo(CEikButtonBase* aTargetButton) const |
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99 { // intended to be called from inside the StateChanged() function of a container button |
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100 aTargetButton->iButFlags&=(~KButtonDrawStateMask); |
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101 aTargetButton->iButFlags|=DrawState(); |
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102 } |
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103 |
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104 EXPORT_C void CEikButtonBase::SetReportOnPointerDown() |
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105 { |
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106 iButFlags|=KButtonReportOnPointerDown; |
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107 } |
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108 |
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109 EXPORT_C void CEikButtonBase::SetBehavior(TButtonBehavior aType) |
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110 { |
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111 if (aType&EEikButtonReportsOnPointerDown) |
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112 SetReportOnPointerDown(); |
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113 iButFlags&=(~KButtonBehaviorMask); |
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114 iButFlags|=(aType&(~EEikButtonReportsOnPointerDown)); |
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115 } |
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116 |
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117 EXPORT_C TKeyResponse CEikButtonBase::OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType) |
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118 { |
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119 const TInt code=aKeyEvent.iCode; |
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120 if (code==EKeyDownArrow || code ==EKeyUpArrow) |
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121 return(EKeyWasNotConsumed); |
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122 if (aType!=EEventKey) |
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123 return(EKeyWasConsumed); |
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124 CEikButtonBase::TState oldState=State(); |
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125 switch (code) |
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126 { |
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127 case EKeyLeftArrow: |
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128 case EKeyTab: |
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129 case EKeyRightArrow: |
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130 Animate(); |
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131 default: |
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132 ; |
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133 } |
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134 TKeyResponse ret=EKeyWasNotConsumed; |
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135 if (State()!=oldState) |
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136 { |
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137 ReportEventL(MCoeControlObserver::EEventStateChanged); |
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138 ret=EKeyWasConsumed; |
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139 } |
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140 return ret; |
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141 } |
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142 |
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143 EXPORT_C void CEikButtonBase::HandlePointerEventL(const TPointerEvent& /*aPointerEvent*/) |
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144 { |
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145 } |
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146 |
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147 EXPORT_C void* CEikButtonBase::ExtensionInterface( TUid /*aInterface*/ ) |
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148 { |
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149 return NULL; |
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150 } |
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151 |
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152 EXPORT_C TCoeInputCapabilities CEikButtonBase::InputCapabilities() const |
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153 { |
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154 return LafButtonBase::InputCapabilities(); |
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155 } |
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156 |
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157 TBool CEikButtonBase::ClickCompleted() |
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158 { |
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159 TButtonBehavior behav=(TButtonBehavior)(iButFlags&KButtonBehaviorMask); |
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160 switch (State()) |
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161 { |
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162 case EClear: |
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163 if (behav==EEikButtonStaysClear) |
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164 return(EFalse); |
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165 SetState(iButFlags&KButtonTristate? EIndeterminate: ESet); |
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166 break; |
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167 case ESet: |
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168 if (iButCoord || behav==EEikButtonStaysSet) |
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169 return(EFalse); |
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170 SetState(EClear); |
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171 break; |
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172 case EIndeterminate: |
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173 SetState(ESet); |
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174 break; |
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175 } |
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176 return(ETrue); // means SetState() was called |
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177 } |
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178 |
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179 EXPORT_C void CEikButtonBase::Animate() |
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180 { |
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181 iButFlags|=KButtonPressedMask; |
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182 StateChanged(); |
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183 DrawNow(); |
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184 iCoeEnv->Flush(KAnimationDelayInMicroSeconds); |
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185 iButFlags&=(~KButtonPressedMask); |
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186 if (!ClickCompleted()) |
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187 StateChanged(); |
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188 DrawNow(); |
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189 iCoeEnv->WsSession().Flush(); |
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190 } |
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191 |
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192 EXPORT_C void CEikButtonBase::SetAllowTristate() |
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193 { |
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194 iButFlags|=KButtonAllowTristate; |
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195 } |
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196 |
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197 EXPORT_C void CEikButtonBase::SetIgnoreNextPointerUp() |
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198 { |
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199 iButFlags|=EIgnoreNextPointerUp; |
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200 } |
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201 |
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202 /** |
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203 * Writes the internal state of the control and its components to aStream. |
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204 * Does nothing in release mode. |
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205 * Designed to be overidden and base called by subclasses. |
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206 * |
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207 * @internal |
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208 * @since App-Framework_6.1 |
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209 */ |
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210 #ifndef _DEBUG |
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211 EXPORT_C void CEikButtonBase::WriteInternalStateL(RWriteStream&) const |
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212 {} |
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213 #else |
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214 EXPORT_C void CEikButtonBase::WriteInternalStateL(RWriteStream& aWriteStream) const |
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215 { |
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216 _LIT(KEikLitCmdButBaseCtlStart,"<CEikButtonBase>"); |
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217 _LIT(KEikLitCmdButBaseCtlEnd,"<\\CEikButtonBase>"); |
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218 _LIT(KEikLitCmdButBaseFlags,"<iButFlags>"); |
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219 _LIT(KEikLitCmdButBaseFlagsEnd,"<\\iButFlags>"); |
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220 |
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221 aWriteStream << KEikLitCmdButBaseCtlStart; |
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222 aWriteStream << KEikLitCmdButBaseFlags; |
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223 aWriteStream.WriteInt32L(iButFlags); |
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224 aWriteStream << KEikLitCmdButBaseFlagsEnd; |
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225 CEikBorderedControl::WriteInternalStateL(aWriteStream); |
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226 aWriteStream << KEikLitCmdButBaseCtlEnd; |
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227 } |
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228 #endif |
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229 |
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230 EXPORT_C void CEikButtonBase::Reserved_2() |
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231 {} |
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232 EXPORT_C void CEikButtonBase::Reserved_3() |
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233 {} |
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234 |
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235 // |
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236 // class TEikButtonCoordinator |
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237 // |
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238 |
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239 EXPORT_C TEikButtonCoordinator::TEikButtonCoordinator() |
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240 : iChosenButton(NULL) |
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241 {} |
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242 |
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243 EXPORT_C void TEikButtonCoordinator::SetChosenButton(CEikButtonBase* aChosenButton) |
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244 { |
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245 if (iChosenButton==aChosenButton) |
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246 return; |
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247 if (iChosenButton) |
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248 { |
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249 iChosenButton->SetState(CEikButtonBase::EClear); |
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250 iChosenButton->DrawNow(); |
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251 } |
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252 iChosenButton=aChosenButton; |
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253 } |