author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 22 Feb 2010 17:57:49 +0200 | |
branch | RCL_3 |
changeset 3 | d8a3531bc6b8 |
parent 0 | 15bf7259bb7c |
child 5 | 433cbbb6a04b |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: ?Description |
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* |
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*/ |
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|
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#include "uiacceltk/HuiControlGroup.h" // Class definition |
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#include "uiacceltk/HuiLayouts.h" |
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#include "uiacceltk/HuiControl.h" |
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#include "uiacceltk/HuiTransformation.h" |
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#include "uiacceltk/HuiStatic.h" |
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#include "uiacceltk/HuiProbe.h" |
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#include "uiacceltk/HuiUtil.h" |
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#include "uiacceltk/HuiPanic.h" |
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#include "uiacceltk/HuiDisplay.h" |
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#include "uiacceltk/HuiEnv.h" |
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CHuiControlGroup::CHuiControlGroup(TInt aResourceId, CHuiEnv& aEnv) |
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: iResourceId(aResourceId), iEnv(aEnv), iAcceptInput(ETrue), iOpacity( 1.f ) |
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{ |
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HUI_PROBE_ASSOCIATE_WITH_CURRENT_SESSION |
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HUI_PROBE_REPORT_CONSTRUCTED |
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} |
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void CHuiControlGroup::ConstructL() |
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{ |
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} |
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void CHuiControlGroup::ConstructFromResourceL(TResourceReader& /*aReader*/) |
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{ |
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/// @todo Method not yet implemented. Implement if UI creation from resource file is required. |
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} |
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CHuiControlGroup::~CHuiControlGroup() |
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{ |
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iEnv.RemoveTheControlGroup(iResourceId); |
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iUnhandledEventObservers.Close(); |
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// The group owns the controls, so it must destroy them. |
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// Destroy in reverse order so that references will be removed in |
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// natural order (children of a pane will be removed before the pane). |
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for(TInt i = iControls.Count() - 1; i >= 0; --i) |
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{ |
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CHuiControl* c = iControls[i]; |
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iControls.Remove(i); |
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delete c; |
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} |
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iControls.Reset(); |
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delete iTransform; |
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iTransform = NULL; |
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HUI_PROBE_REPORT_DESTRUCTED |
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} |
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EXPORT_C TInt CHuiControlGroup::ResourceId() const |
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{ |
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return iResourceId; |
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} |
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EXPORT_C void CHuiControlGroup::AppendL(CHuiControl* aControl) |
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{ |
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User::LeaveIfError( iControls.Append(aControl) ); |
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aControl->SetControlGroup(*this); |
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// if the control group is shown in a roster, the new control |
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// has to be shown as well |
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TRAPD( err, |
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{ |
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// if there are other controls in the group, check from those |
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if ( iControls.Count() > 1 ) // so more than this added one |
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{ |
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if ( iControls[0]->Display() ) |
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{ |
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aControl->ShowL( *iControls[0]->Display() ); |
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} |
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} |
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else |
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{ |
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// if not, go though the displays |
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104 |
for ( TInt d = 0; d < iEnv.DisplayCount(); d++ ) |
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105 |
{ |
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CHuiDisplay* display = (iEnv.Displays())[d]; |
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// if this control group is in any roster, show the control in that display. |
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if ( display->Roster().Find( this ) != KErrNotFound ) |
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109 |
{ |
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aControl->ShowL( *display ); |
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111 |
} |
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112 |
} |
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113 |
} |
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114 |
|
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}); // TRAPD |
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if ( err != KErrNone ) |
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117 |
{ |
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iControls.Remove( iControls.Count()-1); |
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CHuiControlGroup* nullGroup = NULL; |
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aControl->SetControlGroup(*nullGroup); |
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121 |
User::Leave( err ); |
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122 |
} |
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123 |
} |
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124 |
|
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125 |
|
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EXPORT_C void CHuiControlGroup::AppendAndPopL(CHuiControl* aControl) |
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127 |
{ |
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AppendL(aControl); |
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CleanupStack::Pop(aControl); |
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130 |
} |
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131 |
|
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132 |
|
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EXPORT_C TInt CHuiControlGroup::Remove(CHuiControl* aControl) |
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134 |
{ |
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TInt index = iControls.Find(aControl); |
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if(index != KErrNotFound) |
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137 |
{ |
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138 |
// If the control group is shown is a roster, the |
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139 |
// control has to be hidden as well. |
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140 |
CHuiDisplay* display = aControl->Display(); |
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141 |
if ( display ) // check that the control is bound to a display |
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142 |
{ |
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143 |
// Check that this group is shown on the display. |
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144 |
if ( display->Roster().Find( this ) != KErrNotFound ) |
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145 |
{ |
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146 |
// hide control |
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147 |
aControl->Hide( *display ); |
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148 |
} |
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149 |
} |
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150 |
|
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151 |
iControls.Remove(index); |
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152 |
CHuiControlGroup* nullGroup = NULL; |
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aControl->SetControlGroup(*nullGroup); |
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154 |
return KErrNone; |
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155 |
} |
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156 |
// The control was not in the group. |
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157 |
return KErrNotFound; |
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158 |
} |
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159 |
|
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160 |
|
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161 |
EXPORT_C TInt CHuiControlGroup::Count() const |
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162 |
{ |
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163 |
return iControls.Count(); |
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164 |
} |
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|
165 |
|
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|
166 |
|
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167 |
EXPORT_C CHuiControl& CHuiControlGroup::Control(TInt aIndex) const |
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168 |
{ |
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169 |
return *iControls[aIndex]; |
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170 |
} |
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|
171 |
|
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|
172 |
|
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173 |
EXPORT_C CHuiControl* CHuiControlGroup::FindControl(TInt aId) const |
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174 |
{ |
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175 |
for(TInt i = 0; i < iControls.Count(); ++i) |
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176 |
{ |
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177 |
if(iControls[i]->Id() == aId) |
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178 |
{ |
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179 |
return iControls[i]; |
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180 |
} |
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181 |
} |
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182 |
return NULL; |
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183 |
} |
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|
184 |
|
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|
185 |
|
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186 |
EXPORT_C void CHuiControlGroup::EnableTransformationL(TBool aIsTransformed) |
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187 |
{ |
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188 |
if(iTransform && !aIsTransformed) |
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|
189 |
{ |
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|
190 |
// Disable transformation. |
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|
191 |
delete iTransform; |
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|
192 |
iTransform = NULL; |
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193 |
} |
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194 |
else if(!iTransform && aIsTransformed) |
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|
195 |
{ |
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|
196 |
// Enable transformation. |
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197 |
iTransform = CHuiTransformation::NewL(); |
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198 |
} |
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|
199 |
else |
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|
200 |
{ |
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|
201 |
// For PC-lint |
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202 |
} |
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|
203 |
} |
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|
204 |
|
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|
205 |
|
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206 |
EXPORT_C CHuiTransformation& CHuiControlGroup::Transformation() |
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207 |
{ |
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208 |
if(!iTransform) |
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209 |
{ |
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210 |
THuiPanic::Panic(THuiPanic::EControlGroupTransformNotEnabled); |
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211 |
} |
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return *iTransform; |
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} |
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EXPORT_C TBool CHuiControlGroup::IsTransformed() const |
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{ |
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return iTransform != 0; |
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} |
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EXPORT_C TBool CHuiControlGroup::AcceptInput() const |
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{ |
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return iAcceptInput; |
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} |
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EXPORT_C void CHuiControlGroup::SetAcceptInput(TBool aAcceptInput) |
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{ |
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iAcceptInput = aAcceptInput; |
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} |
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TBool CHuiControlGroup::Changed() const |
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{ |
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if(iTransform && iTransform->Changed()) |
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{ |
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return ETrue; |
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} |
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return iOpacity.Changed(); |
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} |
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void CHuiControlGroup::ClearChanged() |
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{ |
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iOpacity.ClearChanged(); |
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if(iTransform) |
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{ |
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iTransform->ClearChanged(); |
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} |
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for(TInt i = 0; i < iControls.Count(); ++i) |
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{ |
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iControls[i]->ClearChanged(); |
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} |
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} |
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HUI_SESSION_OBJECT_IMPL_EXPORT(CHuiControlGroup, ETypeControlGroup) |
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