fep/aknfep/src/AknFepUiInputStateCompletionKatakana.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 01:02:04 +0200
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/*
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* Copyright (c) 2002-2004 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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*       Provides the TAknFepInputStateCompletionKatakana methods.
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*
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*/
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// INCLUDE FILES
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#include "AknFepUiInputStateCompletionKatakana.h"
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#include "AknFepUIManagerStateInterface.h"     // MAknFepUIManagerStateInterface
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#include "AknFepManagerUIInterface.h"          // MAknFepManagerUIInterface
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#include "AknFepUICtrlContainerJapanese.h"
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#include <PtiDefs.h>                    // keys
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#include <PtiEngine.h>
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#include <PtiCompositionDataIF.h>       // MPtiEngineCompositionDataInterface
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/**
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*  TAknFepUiInputStateCompletionHiraganaKanji class.
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* 
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*/
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//============================ MEMBER FUNCTIONS ==============================
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// ---------------------------------------------------------------------------
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// TAknFepUiInputStateCompletionKatakana::
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//                                  TAknFepUiInputStateCompletionKatakana
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// C++ default Constructor
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// ---------------------------------------------------------------------------
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//
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TAknFepUiInputStateCompletionKatakana::
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    TAknFepUiInputStateCompletionKatakana(
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                                MAknFepUIManagerStateInterface* aOwner,
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                                MAknFepUICtrlContainerJapanese* aUIContainer)
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    :TAknFepUiInputStateCompletionJapaneseMultitap(aOwner, aUIContainer)
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    {
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    }
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// ---------------------------------------------------------------------------
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// TAknFepUiInputStateCompletionKatakana::
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//                                  HandleNumericShortKeyL
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// Handling short keypress events of the numeric and the star.
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// ---------------------------------------------------------------------------
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//
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TBool TAknFepUiInputStateCompletionKatakana::HandleNumericShortKeyL(TInt aKey)
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    {
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    TBool ret = ETrue;
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    MAknFepManagerUIInterface* fepMan = iOwner->FepMan();
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    CPtiEngine* ptiEngine = iOwner->PtiEngine();
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    CommitInlineEditingCharacterL();
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    const MPtiEngineCompositionDataInterface* data = ptiEngine->CompositionData();
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    TPtrC text = data->ConvertingString();
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    if (text.Length() > 0 && fepMan->EditorHasFreeSpace())
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        { // for last character is space or line feed
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        iOwner->ChangeState(EInitial);
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        iOwner->FepMan()->SimulateKeyEventL(aKey, ETrue);
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        ret = ETrue;
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        }
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    else
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        {
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        ptiEngine->ClearCurrentWord();
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        iOwner->ChangeState(EInitial);
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        }
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    return ret;
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    }
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// ---------------------------------------------------------------------------
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// TAknFepUiInputStateCompletionJapaneseMultitap::UpdateInlineEditingCharacterL
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// Update inline editing string
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// ---------------------------------------------------------------------------
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//
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TBool TAknFepUiInputStateCompletionKatakana::UpdateInlineEditingCharacterL()
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    {
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    MAknFepManagerUIInterface* fepMan = iOwner->FepMan();
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    CPtiEngine* ptiEngine = iOwner->PtiEngine();
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    TBool ret = EFalse;
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    if(CommitInlineEditingCharacterL())
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        {
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        ptiEngine->ClearCurrentWord();
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        iOwner->ChangeState(EInitial);
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        ret = ETrue;
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        }
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    return ret;
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    }
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// ---------------------------------------------------------------------------
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// TAknFepUiInputStateCompletionJapaneseMultitap::CommitInlineEditingCharacterL
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// Commit inline editing string
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// ---------------------------------------------------------------------------
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//
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TBool TAknFepUiInputStateCompletionKatakana::CommitInlineEditingCharacterL()
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    {
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    MAknFepManagerUIInterface* fepMan = iOwner->FepMan();
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    CPtiEngine* ptiEngine = iOwner->PtiEngine();
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    const MPtiEngineCompositionDataInterface* data = ptiEngine->CompositionData();
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    TPtrC text = data->CompletedString();
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    if (text.Length() > 0)
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        {
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        HBufC* buf = HBufC::NewLC(text.Length());
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        TPtr ptr(buf->Des());
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        ptr.Copy(text);
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        if (fepMan->InputMode() == EHiragana)
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        	{
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        	for (TInt index=text.Length()-1; index >= 0; index-- )
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        		{
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        		if (!IsFullHiragana(TChar(text[index])))
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        			{
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        			ptr.Delete(index, 1);
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        			}
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        		}
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        	}
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        fepMan->CommitInlineEditL(ptr, ptr.Length());
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        CleanupStack::PopAndDestroy(buf);
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        }
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    return ETrue;
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    }
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// ---------------------------------------------------------------------------
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// TAknFepUiInputStateCompletionKatakana::IsFullHiragana
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// Check a character whether it is Full-width Katakana
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// ---------------------------------------------------------------------------
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//
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TBool TAknFepUiInputStateCompletionKatakana::IsFullHiragana(const TChar aChr)
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	{
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	TBool rtn = EFalse;
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    const TUint KFullHiraganaStart = 0x3041;
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    const TUint KFullHiraganaEnd = 0x3094;
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	if (KFullHiraganaStart <= aChr && aChr <= KFullHiraganaEnd)
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		{
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		rtn = ETrue;
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		}
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	return rtn;
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	}
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// ---------------------------------------------------------------------------
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// TAknFepUiInputStateCompletionKatakana::HandleAuxKeyL
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// Handling auxiliary keypress events including OK and Backspace
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// ---------------------------------------------------------------------------
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//
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TBool TAknFepUiInputStateCompletionKatakana::HandleAuxKeyL(TInt aKey,
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                                                           TKeyPressLength aLength)
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    {
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    TBool ret = ETrue;
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    CPtiEngine* ptiEngine = iOwner->PtiEngine();
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    if (aKey == EKeyOK
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     || aKey == EStdKeyDevice3          /* 0xA7 */
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     || aKey == EStdKeyEnter
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     || aKey == EStdKeyNkpEnter)
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        {
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        TPtiEngineCommand ptiCommand = EPtiCommandUserActionComplete;
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        if (aLength == ELongKeyPress)
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            {
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            ptiCommand = EPtiCommandUserActionAllComplete;
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            }
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        ptiEngine->HandleCommandL(ptiCommand);
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        UpdateInlineEditingCharacterL();
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        // OK-key or Enter-key shouldn't be consumed in Latin input.
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        // Because OK-key or Enter-key might be used in application side.
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        ret = EFalse;
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        }
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    return ret;
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    }
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// End of file