textinput/peninputarc/inc/peninputlayoutcontrolinc/peninputlayoutmicfnomatchesinline.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 19 Feb 2010 23:09:27 +0200
branchRCL_3
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/*
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* Copyright (c) 2009 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:
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*
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*/
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#ifndef TPENINPUTLAYOUTMICFNOMATCHESINLINE_H
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#define TPENINPUTLAYOUTMICFNOMATCHESINLINE_H
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#include <e32base.h>
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class TFepLayoutMIcfNoMatchesInline
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    {
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public:
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    /**
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     * This returns a text sensitive no matches indication
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     *
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     * @returns a TPtr to the No Matches indication text to use for this buffer
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     */
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    static TPtrC TextForUnknownPredictiveTextIndication(const TDesC& aTextSample);
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private:    
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    /**
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     * Returns a value that is the base value of a unicode code page. The significant content of
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     * the buffer ( indices [1,aBufferLength]) and is examined from low to high index.  
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     * Code page is the here defined as the unicode value excluding its lowest byte - Masked 
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     * by 0xFF00 
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     *
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     * If a character with non-zero code page is found, that value is returned.  Otherwise, 0x0000
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     * is returned
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     * 
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     * To totally dependable, this routine depends upon the chunk being of uniform codepage, 
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     * or mixed codepage 0 + one other codepage.  For no-matches indicator text, this is the case
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     *
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     * @param aTextSample    buffer containing text, 
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     * @returns              Codepage of first
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     */
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    static TUint CodeBaseOfText(const TDesC& aTextSample);
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    };
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#endif // TPENINPUTLAYOUTMICFNOMATCHESINLINE_H