1 /*

     2 * Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0""

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:           

    15 *       Provides the TAknFepInputStatePredictiveInputQwertyPhrase methods.

    16 *

    17 */

    18 

    19 

    20 

    21 

    22 

    23 

    24 

    25 

    26 

    27 

    28 

    29 

    30 #include "AknFepUiInputStatePredictiveInputQwertyPhrase.h"

    31 #include "AknFepUICtrlCandidatePane.h"

    32 #include "AknFepUiCtrlContainerChinese.h"

    33 #include "AknFepUIManagerStateInterface.h"  //MAknFepUIManagerStateInterface

    34 #include "AknFepManagerUIInterface.h"       //MAknFepManagerUIInterface

    35 #include "AknFepManager.h"                  //FepMan flag

    36 

    37 #include <PtiEngine.h>                      //CPtiEngine

    38 

    39 TAknFepInputStatePredictiveInputQwertyPhrase::TAknFepInputStatePredictiveInputQwertyPhrase(

    40                                 MAknFepUIManagerStateInterface* aOwner,

    41                                 MAknFepUICtrlContainerChinese* aUIContainer)

    42     :TAknFepInputStateCandidateQwertyBasePhrase(aOwner, aUIContainer)

    43     {

    44     iState = EPredictiveInput;

    45     

    46     MAknFepUICtrlContainerChinese* uiContainer = UIContainer();

    47     // set container window position to follow cursor

    48     TPoint baseLine = TPoint(0,0);

    49     TInt height = 0;

    50     TInt ascent = 0;

    51     TRAPD(ret,iOwner->FepMan()->GetScreenCoordinatesL(baseLine,height,ascent));

    52     if (ret == KErrNone)

    53         {

    54         uiContainer->SetContainerPosition(baseLine, height);    

    55         }

    56 

    57     uiContainer->FocusCandidatePane(ETrue);

    58     uiContainer->SetLayout(MAknFepUICtrlContainerChinese::ELayoutCandidate);

    59 

    60     CPtiEngine* ptiengine = iOwner->PtiEngine();

    61     MAknFepUICtrlCandidatePane* candidatePane = uiContainer->CandidatePane();

    62     // for some reason needs to feed back to ptiengine current Chinese phrase just before get the prediction

    63     TPtrC text = candidatePane->CurrentPhraseCandidate();

    64     candidatePane->SelectFirstPhrase(); 

    65     ptiengine->SetPredictiveChineseChar(text);

    66     

    67     TRAPD(ignore,ptiengine->GetChinesePhraseCandidatesL(*(candidatePane->CandidateArray())));

    68     if (ignore == KErrNone)

    69         {

    70         candidatePane->SplitPhraseCandidatesIntoPages(); 

    71         uiContainer->SetLayout(MAknFepUICtrlContainerChinese::ELayoutCandidate);

    72         candidatePane->SetCandidateBuffer();

    73 

    74         TBool multiplePages = !(uiContainer->CandidatePane()->IsLastPage() &&

    75                                 uiContainer->CandidatePane()->IsFirstPage());

    76         TInt bufLength = iOwner->PtiEngine()->CandidatePage().Length();

    77         TBool showHorizontalScrollArrows = multiplePages || bufLength>1;

    78 

    79         uiContainer->ShowHorizontalScrollArrows(showHorizontalScrollArrows); 

    80         uiContainer->ShowVerticalScrollArrows(multiplePages);

    81         uiContainer->CandidatePane()->ShowCandidateOrdinals(ETrue);

    82         }

    83     }

    84 

    85 TBool TAknFepInputStatePredictiveInputQwertyPhrase::HandleKeyL(TInt aKey, TKeyPressLength aLength)

    86     {

    87     TBool ret = ETrue;

    88     

    89     if(aKey == EStdKeyBackspace)

    90         {

    91         iOwner->FepMan()->TryCloseUiL();

    92         }

    93     else if(aKey == EStdKeyLeftFunc && aLength == EShortKeyPress) // launch sct table

    94         {

    95         MAknFepManagerUIInterface* fepMan = iOwner->FepMan();

    96         if (fepMan->IsAbleToLaunchSCT())

    97             {

    98             fepMan->LaunchSpecialCharacterTableL();

    99             }

   100         }

   101     else if(iOwner->IsValidChineseInputKeyQwerty(aKey))

   102         {

   103         CPtiEngine* ptiengine = iOwner->PtiEngine();

   104         // it is needed when we use phrase input engine, otherwise it seems not cleared

   105         ptiengine->ClearCurrentWord(); 

   106         ptiengine->ResetToneMark();

   107 

   108         iOwner->ChangeState(EEntry);

   109         ret = EFalse; //passes to entry state to handle the key

   110         }

   111     else 

   112         {

   113         ret = TAknFepInputStateCandidateQwertyBasePhrase::HandleKeyL(aKey, aLength);

   114         }

   115     return ret;

   116     }

   117 

   118 // End of file