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 TAknFepInputStatePredictiveInputQwerty methods.

    16 *

    17 */

    18 

    19 

    20 

    21 

    22 

    23 

    24 

    25 

    26 

    27 

    28 

    29 

    30 #include "AknFepUiInputStatePredictiveInputQwerty.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 TAknFepInputStatePredictiveInputQwerty::TAknFepInputStatePredictiveInputQwerty(

    40                                 MAknFepUIManagerStateInterface* aOwner,

    41                                 MAknFepUICtrlContainerChinese* aUIContainer)

    42     :TAknFepInputStateCandidateQwertyChineseBase(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     uiContainer->FocusCandidatePane(ETrue);

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

    58 

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

    60     ptiengine->SetCandidatePageLength(MAknFepUICtrlContainerChinese::ELayoutInput);

    61 

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

    63     TPtrC text = uiContainer->CandidatePane()->CurrentCandidate();

    64     uiContainer->CandidatePane()->SelectFirst(); 

    65     ptiengine->SetPredictiveChineseChar(text);

    66     uiContainer->CandidatePane()->SetCandidateBuffer(ptiengine->CandidatePage());

    67 

    68     TBool multiplePages = ptiengine->MoreCandidatePages();

    69     TInt bufLength = ptiengine->CandidatePage().Length();

    70     TBool showHorizontalScrollArrows = multiplePages || bufLength>1;

    71     

    72     uiContainer->ShowVerticalScrollArrows(multiplePages);

    73     uiContainer->ShowHorizontalScrollArrows(showHorizontalScrollArrows);

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

    75     UpdateIndicator();

    76     }

    77 

    78 TBool TAknFepInputStatePredictiveInputQwerty::HandleKeyL(TInt aKey, TKeyPressLength aLength)

    79     {

    80     TBool ret = ETrue;

    81     

    82     if(aKey == EStdKeyBackspace)

    83         {

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

    85         }

    86     else if(aKey == EStdKeyLeftFunc && aLength == EShortKeyPress)

    87         {

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

    89         if (fepMan->IsAbleToLaunchSCT())

    90             {

    91             fepMan->LaunchSpecialCharacterTableL();

    92             }

    93         }

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

    95         {

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

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

    98         ptiengine->ClearCurrentWord(); 

    99         ptiengine->ResetToneMark();

   100 

   101         iOwner->ChangeState(EEntry);

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

   103         }

   104     else if(aKey == EStdKeyDevice1)

   105         {

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

   107         }

   108     else 

   109         {

   110         ret = TAknFepInputStateCandidateQwertyChineseBase::HandleKeyL(aKey, aLength);

   111         }

   112     return ret;

   113     }

   114 

   115 // ---------------------------------------------------------------------------

   116 // TAknFepInputStatePredictiveInputQwerty::HandleCommandL

   117 // Handling Command

   118 // ---------------------------------------------------------------------------

   119 //

   120 void TAknFepInputStatePredictiveInputQwerty::HandleCommandL( TInt aCommandId )

   121     {

   122     TAknFepInputStateChineseBase::HandleCommandL( aCommandId );

   123     }

   124 // End of file