diff -r 000000000000 -r 2f259fa3e83a classicui_plat/extended_utilities_api/inc/AknLineBreaker.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/classicui_plat/extended_utilities_api/inc/AknLineBreaker.h Tue Feb 02 01:00:49 2010 +0200 @@ -0,0 +1,92 @@ +/* +* Copyright (c) 2002 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: Line breaker class customized to meet Series 60 specifications. +* +*/ + + +#ifndef AKNLINEBREAKER_H +#define AKNLINEBREAKER_H + +// INCLUDES +#include +#include + +// FORWARD DECLARATIONS + +// CLASS DECLARATIONS + +/** +* Customized line breaker to meet Series 60 specifications. +* Customizes the functionality of MLineBreaker by changing the treatment of +* the characters specified to have special treatment in editing spec. +* +* @internal +*/ +class TAknLineBreaker : public MLineBreaker + { + public: // Functions from base classes + + /** + * Converts Unicode character into line breaking class. + * @param aCode Input Unicode value. + * @param aRangeStart + * Returns the start of the contiguous range of characters including + * aCode that have the returned line breaking class. + * @param aRangeEnd + * Returns the end of the contiguous range of characters including + * aCode that have the returned line breaking class. + * @return The line breaking class for aCode. + */ + TUint LineBreakClass( + TUint aCode, TUint& aRangeStart, TUint& aRangeEnd ) const; + + /** + * Returns whether line breaks are legal between a character of line + * breaking class aPrevClass and aNextClass, with intervening spaces or not + * as determined by aHaveSpaces. + * @param aPrevClass The class before the potential line break. + * @param aNextClass The class after the potential line break. + * @param aHaveSpaces Whether spaces separate the characters. + * @return + * ETrue if and only if a line break is legal in the situation + * described. + */ + TBool LineBreakPossible( + TUint aPrevClass, TUint aNextClass, TBool aHaveSpaces ) const; + + + public: // Functions + /** + * Converts Unicode character into line breaking class for special variant. + * @param aCode Input Unicode value. + * @param aRangeStart + * Returns the start of the contiguous range of characters including + * aCode that have the returned line breaking class. + * @param aRangeEnd + * Returns the end of the contiguous range of characters including + * aCode that have the returned line breaking class. + * @param aClass + * The line breaking class for aCode. + * @return ETrue if aCode is special variant character. + */ + IMPORT_C static TBool IsSpecialVariantChar(TUint aCode, TUint& aRangeStart, + TUint& aRangeEnd, TUint& aClass); + + }; + + +#endif // AKNLINEBREAKER_H + +// End of File