diff -r 000000000000 -r 2f259fa3e83a uifw/EikStd/coctlinc/AknNoMatchesIndicatorInlineTextSource.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/uifw/EikStd/coctlinc/AknNoMatchesIndicatorInlineTextSource.h Tue Feb 02 01:00:49 2010 +0200 @@ -0,0 +1,113 @@ +/* +* Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies). +* All rights reserved. +* This component and the accompanying materials are made available +* under the terms of "Eclipse Public License v1.0" +* which accompanies this distribution, and is available +* at the URL "http://www.eclipse.org/legal/epl-v10.html". +* +* Initial Contributors: +* Nokia Corporation - initial contribution. +* +* Contributors: +* +* Description: +* Classes used for holding inline text for the Form MTmInlineTextSource interface. +* +*/ + + +#ifndef AKNNOMATCHESINDICATORINLINETEXTSOURCE_H +#define AKNNOMATCHESINDICATORINLINETEXTSOURCE_H + +// INCLUDES + +#include "AknInlineText.h" +#include + +// CONSTANTS + +// CLASS DECLARATION + +NONSHARABLE_CLASS(CAknNoMatchesIndicatorInlineTextSource) : public CAknInlineTextSource + { + public: + // 2 stage constructor + static CAknNoMatchesIndicatorInlineTextSource* NewL( const CTextLayout& aTextLayout ); + // destructor + ~CAknNoMatchesIndicatorInlineTextSource(); + + public: // From CAknInlineTextSource + /** + * Implementation of framework method. Documented in header + */ + virtual void CheckFormattingL(const TTmDocPos& aFrom, const TTmDocPos& aTo ); + + private: + /** + * C++ constructor. + */ + CAknNoMatchesIndicatorInlineTextSource( const CTextLayout& aTextLayout ); + + /** + * non-virtual implementation method for CheckFormattingL + */ + void DoFormatL( const TTmDocPos& aFrom, const TTmDocPos& aTo ); + + /** + * Framework method implemented to store the inline text at the position and leading-ness + * + * @param aPos Position of gap ( 0 = before charaacter 0; 1 = after character 0/before char 1 ...) + * @param aLeadingEdge use ETrue if the inline text is associated with the next character + * @param aTextSample text upon which to base decision as to what No Matches text + * to use + */ + void StoreNoMatchesIndicatorInlineTextL( + TInt aPos, + TBool aLeadingEdge, + const TDesC& aTextSample ); + + /** + * This returns a text sensitive no matches indication + * + * @param aRightToLeft ETrue if chunk is right to left directional text. + * @param aBuffer const TDesC& buffer containing text to determine language dependent, + * @returns a TPtr to the No Matches indication text to use for this buffer + */ + TPtrC TextForUnknownPredictiveTextIndication( const TDesC& aTextSample ) const; + + /** + * Returns a value that is the base value of a unicode code page. The significant content of + * the buffer ( indices [1,aBufferLength]) and is examined from low to high index. + * Code page is the here defined as the unicode value excluding its lowest byte - Masked + * by 0xFF00 + * + * If a character with non-zero code page is found, that value is returned. Otherwise, 0x0000 + * is returned + * + * To totally dependable, this routine depends upon the chunk being of uniform codepage, + * or mixed codepage 0 + one other codepage. For no-matches indicator text, this is the case + * + * @param aTextSample buffer containing text, + * @returns Codepage of first + */ + + TUint CodeBaseOfText( const TDesC& aTextSample ) const; + + /** + * Utility method to test whether the next character (in the next chunk) is also in the + * No matches indicator markup. + * + * @param aNexPos position in the text source of the next character (if there is one) + * @returns ETrue only if there is another character and that is has the + * no matches indicator markup. + */ + TBool FormatOfNextCharacterIsUnknownInlineFepTextStyle( TInt aNextPos) const; + + private: + const CTextLayout& iTextLayout; + }; + +#endif + +// End of File