author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 12 Mar 2010 15:51:09 +0200 | |
branch | RCL_3 |
changeset 2 | 6971d1c87c9a |
parent 0 | 1fb32624e06b |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 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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// INCLUDE FILES |
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#include "InlineTextBase.h" |
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// LOCAL FUNCTIONS |
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_LIT( KInlineTextPanicText ,"Inline Text Formatting" ); |
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GLDEF_C void Panic( TInlineTextPanic aPanic ) |
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{ |
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User::Panic( KInlineTextPanicText, aPanic ); |
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} |
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// MODULE TEMPLATES |
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// MODULE DATA STRUCTURES |
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// ============================ MEMBER FUNCTIONS =============================== |
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//////////////////////////////////////////////////////////////////////////////// |
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// |
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// CInlineTextPositionedText |
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// |
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//////////////////////////////////////////////////////////////////////////////// |
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// ----------------------------------------------------------------------------- |
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// 2 stage constructor |
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// ----------------------------------------------------------------------------- |
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CInlineTextPositionedText* CInlineTextPositionedText::NewL( const TTmDocPos& aPosition, const TDesC& aInlineText ) |
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{ |
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CInlineTextPositionedText* self = |
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new (ELeave) CInlineTextPositionedText( aPosition ); // Only partially constructed at this point |
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CleanupStack::PushL( self ); |
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self->ConstructL( aInlineText ); |
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CleanupStack::Pop(); |
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return self; |
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} |
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CInlineTextPositionedText::~CInlineTextPositionedText() |
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{ |
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delete iText; |
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} |
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const TTmDocPos& CInlineTextPositionedText::DocPos() const |
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{ |
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return iDocPos; |
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} |
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const TDesC& CInlineTextPositionedText::InlineText() const |
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{ |
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return *iText; |
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} |
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CInlineTextPositionedText::CInlineTextPositionedText( const TTmDocPos& aPosition ) |
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: iDocPos(aPosition) |
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{ |
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} |
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void CInlineTextPositionedText::ConstructL( const TDesC& aInlineText ) |
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{ |
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iText = aInlineText.AllocL(); |
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} |
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//////////////////////////////////////////////////////////////////////////////// |
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// |
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// CInlineTextStore |
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// |
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//////////////////////////////////////////////////////////////////////////////// |
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const TInt KInlineTextStoreGranularity(2); |
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CInlineTextStore* CInlineTextStore::NewL() |
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{ |
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return new (ELeave) CInlineTextStore(); |
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} |
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CInlineTextStore::~CInlineTextStore() |
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{ |
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ResetAndDestroy(); |
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} |
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void CInlineTextStore::Clear() |
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{ |
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ResetAndDestroy(); |
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} |
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void CInlineTextStore::ClearRange( const TTmDocPos& aStart, const TTmDocPos& aEnd ) |
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{ |
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TInt nToDelete(0); |
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108 |
TInt firstToDelete(0); |
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for (TInt index = Count() - 1; index >=0 ; --index) |
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110 |
{ |
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CInlineTextPositionedText* inlineText = At(index); |
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const TTmDocPos& docPos = inlineText->DocPos(); |
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if ( aStart <= docPos && docPos <= aEnd ) |
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114 |
{ |
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delete ( inlineText ); |
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firstToDelete = index; // running lowest index to delete |
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nToDelete++; |
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} |
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119 |
} |
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// Perform deletions from array in one go as this is an expensive operation |
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if ( nToDelete > 0 ) |
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Delete( firstToDelete, nToDelete ); |
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123 |
} |
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124 |
|
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void CInlineTextStore::InsertInlineTextL( CInlineTextPositionedText* aInlineText ) |
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126 |
{ |
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TInt insertPosition(0); |
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for (TInt ii = Count()-1; ii >= 0; --ii) |
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129 |
{ |
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if ( At(ii)->DocPos() <= aInlineText->DocPos() ) |
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131 |
{ |
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insertPosition = ii+1; |
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break; |
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134 |
} |
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135 |
} |
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136 |
|
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InsertL( insertPosition, aInlineText ); |
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138 |
} |
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139 |
|
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const TTmDocPos* CInlineTextStore::NextInlineTextDocPos( const TTmDocPos& aDocPos ) const |
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141 |
{ |
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const TTmDocPos* retPtr = NULL; |
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TInt index = NextIndexStartingAtDocPos( aDocPos ); |
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if ( index >=0 ) |
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retPtr = &(At( index )->DocPos()); |
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return retPtr; |
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147 |
} |
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148 |
|
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149 |
TInt CInlineTextStore::NextIndexStartingAtDocPos( const TTmDocPos& aDocPos ) const |
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150 |
{ |
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151 |
|
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152 |
TInt count = Count(); |
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if ( count == 0 ) |
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return -1; |
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155 |
|
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if ( At(count-1)->DocPos() < aDocPos ) // even biggest is at lower docpos |
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157 |
return -1; |
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158 |
|
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159 |
TInt index; |
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160 |
for (index = 0; index < count ; ++index) |
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161 |
{ |
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if ( At(index)->DocPos() >= aDocPos ) |
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163 |
{ |
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break; |
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165 |
} |
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166 |
} |
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167 |
|
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__ASSERT_DEBUG( index < count , Panic( EInlineTextStoreCorrupted) ); |
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169 |
|
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return index; |
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171 |
} |
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172 |
|
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TInt CInlineTextStore::IndexFromDocPos( const TTmDocPos& aDocPos ) const |
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174 |
{ |
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175 |
TInt matchedIndex = -1; |
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176 |
TInt indexFound = NextIndexStartingAtDocPos( aDocPos ); |
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if (indexFound != -1 && At(indexFound)->DocPos() == aDocPos ) |
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matchedIndex = indexFound; |
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return matchedIndex; |
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180 |
} |
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181 |
|
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CInlineTextStore::CInlineTextStore() : CArrayPtrFlat<CInlineTextPositionedText>( KInlineTextStoreGranularity ) |
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183 |
{} |
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184 |
|
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185 |
|
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186 |
//////////////////////////////////////////////////////////////////////////////// |
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187 |
// |
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188 |
// CInlineTextSource |
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189 |
// |
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190 |
//////////////////////////////////////////////////////////////////////////////// |
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191 |
|
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192 |
CInlineTextSource::CInlineTextSource() |
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193 |
{} |
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194 |
|
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195 |
void CInlineTextSource::ConstructL() |
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196 |
{ |
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iInlineTextStore = CInlineTextStore::NewL(); |
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198 |
} |
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199 |
|
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CInlineTextSource::~CInlineTextSource() |
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201 |
{ |
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202 |
delete iInlineTextStore; |
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203 |
} |
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204 |
|
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205 |
TInt CInlineTextSource::GetNextInlineTextPosition( |
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206 |
const TTmDocPos& aFrom, |
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TInt aMaxLength, |
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TTmDocPos& aNext) |
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209 |
{ |
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210 |
|
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211 |
TInt errReturn = KErrNotFound; // Default is that there is nothing found |
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212 |
|
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213 |
const TTmDocPos* nextPos = iInlineTextStore->NextInlineTextDocPos( aFrom ); |
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// This returns NULL if nothing found |
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if ( nextPos ) |
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{ |
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if ( // pos must be strictly less than aFrom + aMaxLength, but may be 1 further if trailing |
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(nextPos->iPos < (aFrom.iPos + aMaxLength) ) |
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|| |
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(!nextPos->iLeadingEdge && (nextPos->iPos <= (aFrom.iPos + aMaxLength)) ) |
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) |
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{ |
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aNext = *nextPos; // Copies the structure |
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errReturn = KErrNone; // Report valid data |
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} |
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} |
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|
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return errReturn; |
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} |
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|
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TPtrC CInlineTextSource::GetInlineText(const TTmDocPos& aPos) |
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{ |
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TInt index = iInlineTextStore->IndexFromDocPos( aPos ); |
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if ( index >= 0 ) |
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return iInlineTextStore->At( index )->InlineText(); |
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else |
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{ |
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__ASSERT_DEBUG( EFalse, Panic(EInlineTextBadInlineTextFetch) ); |
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return KNullDesC(); |
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} |
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} |
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TBool CInlineTextSource::HasInlineTextAt(const TTmDocPos& aPos, TPtrC& aPtrFound) const |
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{ |
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TBool retVal( EFalse ); |
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TInt index = iInlineTextStore->IndexFromDocPos( aPos ); |
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if ( index != -1 ) |
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{ |
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retVal = ETrue; |
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aPtrFound.Set(iInlineTextStore->At( index )->InlineText()) ; |
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} |
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return retVal; |
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} |
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CInlineTextStore* CInlineTextSource::InlineTextStore() const |
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{ |
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return iInlineTextStore; |
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} |
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/** |
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* Empty implementation as all "when to format policy" is determined by sub-classes. However, |
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* this class implements so that sub-classes only have to implement what they need. |
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*/ |
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void CInlineTextSource::CheckFormattingL(const TTmDocPos& /*aFrom*/, const TTmDocPos& /*aTo*/ ) |
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{} |
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/** |
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* Empty implementation as all upon-edit policy is determined by sub-classes. However, |
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* this class implements so that sub-classes only have to implement what they need. |
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*/ |
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void CInlineTextSource::EditObserver( TInt /*aStart*/, TInt /*aExtent*/ ) |
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{} |
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// End of File |