1 /*

     2 * Copyright (c) 2002-2004 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 TAknFepInputStateEntryWesternPredictive methods.

    16 *

    17 */

    18 

    19 

    20 

    21 

    22 

    23 

    24 

    25 

    26 

    27 

    28 

    29 

    30 #include "AknFepUiInputStateEntryWesternPredictive.h"

    31 #include "AknFepUIManagerStateInterface.h"      //MAknFepUIManagerStateInterface

    32 #include "AknFepManagerUIInterface.h"           //MAknFepManagerUIInterface

    33 #include "AknFepManager.h"

    34 #include "AknFepPanic.h"

    35 #include "AknFepCaseManager.h"

    36 #include "AknFepPluginManager.h"

    37 #include "AknFepManagerInterface.h" // MAknFepManagerInterface

    38 

    39 #include <aknedsts.h> 

    40 #include <PtiEngine.h>                             //CPtiEngine

    41 #include <PtiDefs.h>                            //keys

    42 #include <featmgr.h>                //FeatureManager

    43 #include <e32keys.h>

    44 #include <AknFep.rsg>

    45 #include <PtiUserDicEntry.h>

    46 

    47 // The Maximum world size

    48 const TInt KMaxWordSize = 63;

    49 TAknFepInputStateEntryWesternPredictive::

    50 TAknFepInputStateEntryWesternPredictive(MAknFepUIManagerStateInterface* aOwner)

    51     :TAknFepInputStateBase(aOwner)

    52     {

    53     //this class insists on the existence of a case manager

    54     __ASSERT_DEBUG(iOwner->CaseMan(), AknFepPanic(EAknFepPanicNoCaseManager));

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

    56     iState = EEntry;

    57     iMatchState = EWordMatchNone;

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

    59 

    60     TPtiTextCase caseMode = ptiengine->Case();

    61 	ptiengine->SetInputMode(EPtiEnginePredictive);  

    62 

    63 #ifdef RD_SCALABLE_UI_V2

    64 

    65     if (fepMan->PluginUIManager()->MatchCandidateList().Count() > 0)

    66         {

    67         fepMan->PluginUIManager()->ResetCandidateList();

    68         }

    69     

    70         iIsLastWord = EFalse;        

    71 /*

    72     if (fepMan->PluginUIManager()->GetSpellText())

    73         {

    74         TBuf<CAknFepManager::EMaximumFepWordLength> textToUncommit;

    75         textToUncommit.Zero();

    76         textToUncommit.Copy(*fepMan->PluginUIManager()->GetSpellText());

    77         ptiengine->SetCurrentWord(textToUncommit); 

    78         }

    79 */        

    80 #ifdef RD_INTELLIGENT_TEXT_INPUT

    81     	ptiengine->SetInputMode(EPtiEnginePredictive);  

    82         TBool isUnlimitedEditor = EFalse;

    83         ptiengine->SetMaxLengthForAutoCompletedCandidates(

    84                           fepMan->EditorFreeSpaceForAutoWordCompletion(isUnlimitedEditor ));

    85         // To set the input mode

    86         if(fepMan->IsAutoCompleteOn())

    87         	{

    88         	TRAP_IGNORE(ptiengine->HandleCommandL(EPtiCommandEnableAutoCompletion));

    89         	}

    90         else

    91         	{

    92         	TRAP_IGNORE(ptiengine->HandleCommandL(EPtiCommandDisableAutoCompletion));

    93         	}

    94 

    95         TPtiKeyboardType keyboard = fepMan->KeyboardLayout();

    96     	ptiengine->SetKeyboardType(keyboard);

    97 

    98     	TBool isNumberCandidateShown = fepMan->IsAdvancedPredictiveNumberCandidateShown();

    99     	TRAP_IGNORE(ptiengine->HandleCommandL( EPtiCommandSetNumberCandidateStatus, 

   100                  &isNumberCandidateShown ));

   101 #endif

   102 

   103 #else

   104 

   105     ptiengine->ClearCurrentWord();

   106         

   107 #ifndef RD_INTELLIGENT_TEXT_INPUT

   108 

   109     // To set the input mode

   110     if(fepMan->IsAutoCompleteOn())

   111     	{

   112     	   ptiengine->SetInputMode(EPtiEngineWordCompletion);

   113     	}

   114 #endif // RD_PRED_AW_COMPLETION

   115 #endif //RD_SCALABLE_UI_V2

   116     ptiengine->SetCase(caseMode);

   117     }

   118 

   119 TBool TAknFepInputStateEntryWesternPredictive::HandleKeyL(TInt aKey, TKeyPressLength aLength)

   120     {

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

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

   123 

   124 #ifdef RD_SCALABLE_UI_V2

   125 

   126     if (fepMan->PluginUIManager()->GetSpellText())

   127         {

   128         fepMan->PluginUIManager()->SpellText(NULL);

   129         }    

   130 #endif //

   131 

   132     TBool response = ETrue;

   133 

   134     switch (aKey)

   135         {

   136     case EPtiKey1: //fall through

   137     case EPtiKey2:

   138     case EPtiKey3:

   139     case EPtiKey4:

   140     case EPtiKey5:

   141     case EPtiKey6:

   142     case EPtiKey7:

   143     case EPtiKey8:

   144     case EPtiKey9:

   145 #ifdef RD_SCALABLE_UI_V2

   146         fepMan->PluginUIManager()->SetFingerMatchSelectionState(EFalse);    

   147 #endif //RD_SCALABLE_UI_V2

   148         

   149         response = HandleStandardNumericKeysL(aKey, aLength);

   150         break;

   151     case EPtiKey0:

   152         if ( fepMan->IsFlagSet(CAknFepManager::EFlagInsideInlineEditingTransaction) )

   153             {

   154             fepMan->TryRemoveNoMatchesIndicatorL();

   155 #ifndef RD_INTELLIGENT_TEXT_INPUT

   156  	    			// To rip off suggested word completion when user presses SPACE

   157 				if(fepMan->IsAutoCompleteOn())

   158 					{

   159 					fepMan->RemoveSuggestedCompletionL();

   160 					}

   161 #endif

   162             }

   163         fepMan->UpdateCbaL(NULL);

   164         if (fepMan->IsFlagSet(CAknFepManager::EFlagCompoundWord))

   165             { 

   166             if (fepMan->IsCursorAtEndOfWord())

   167                 {

   168                 fepMan->AddCompoundWordToUdbL();                

   169                 }

   170             fepMan->ClearFlag(CAknFepManager::EFlagCompoundWord);

   171             }		            

   172 #ifdef RD_INTELLIGENT_TEXT_INPUT

   173         if ( fepMan->IsFlagSet(CAknFepManager::EFlagInsideInlineEditingTransaction) )

   174             {

   175             ptiengine->CommitCurrentWord();

   176 			fepMan->CommitInlineEditL();

   177             fepMan->TryCloseUiL();

   178             response = EFalse;

   179             }

   180         else

   181         	{

   182 #endif

   183 		fepMan->SetDelayedCommit(); // Delayed 'commit'. 				                                        	

   184 	    fepMan->TryCloseUiL();	                                

   185         response = EFalse;  //pass to initial state to handle key

   186 #ifdef RD_INTELLIGENT_TEXT_INPUT

   187         	}

   188 #endif        	

   189 #ifdef RD_SCALABLE_UI_V2

   190         fepMan->PluginUIManager()->SetFingerMatchSelectionState(EFalse);    

   191 #endif //RD_SCALABLE_UI_V2

   192         break;

   193     case EKeyLeftArrow: // fall through

   194     case EKeyRightArrow:

   195     case EKeyBackspace:

   196         response = HandleNaviKeysL(aKey, aLength);

   197 #ifdef RD_SCALABLE_UI_V2

   198         fepMan->PluginUIManager()->SetFingerMatchSelectionState(EFalse);    

   199 #endif //RD_SCALABLE_UI_V2

   200         break;

   201     case EPtiKeyStar:

   202             {

   203             response = HandleStarKeyL(aLength);    

   204             }

   205         break;

   206     case EKeyDownArrow: // Japanese input required

   207         if (fepMan->IsAbleScrollLatinPredictive())

   208             {

   209             if (fepMan->IsFlagSet(CAknFepManager::EFlagInsideInlineEditingTransaction))

   210                 {

   211                 DoNextMatch();

   212                 }

   213             else

   214                 {

   215                 response = EFalse;

   216                 }

   217             }

   218         else

   219             {

   220             response = EFalse;

   221             }

   222         break;

   223     case EKeyUpArrow: // Japanese input required

   224         if (fepMan->IsAbleScrollLatinPredictive())

   225             {

   226             if (fepMan->IsFlagSet(CAknFepManager::EFlagInsideInlineEditingTransaction))

   227                 {

   228                 DoPreviousMatchL();

   229                 }

   230             else

   231                 {

   232                 response = EFalse;

   233                 }

   234             }

   235         else

   236             {

   237             response = EFalse;

   238             }

   239         break;

   240     default:

   241         response = EFalse;

   242 #ifdef RD_SCALABLE_UI_V2

   243         fepMan->PluginUIManager()->SetFingerMatchSelectionState(EFalse);            

   244 #endif //RD_SCALABLE_UI_V2

   245         break;

   246         }

   247     return response;

   248     }

   249 

   250 void TAknFepInputStateEntryWesternPredictive::HandleCommandL(TInt aCommandId)

   251     {

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

   253     if (aCommandId == EAknFepSoftkeyPrevious)

   254         {

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

   256         

   257         __ASSERT_DEBUG(fepMan->IsFlagSet(CAknFepManager::EFlagInsideInlineEditingTransaction), 

   258                        AknFepPanic(EAknFepPanicNotInsideInlineEdit));   

   259 

   260         if (iMatchState == EWordMatchLast || iMatchState == EWordMatchAfterLast)

   261             {

   262             fepMan->UpdateCbaL(R_AKNFEP_SOFTKEYS_EMPTY_PREVIOUS);

   263             }

   264         iMatchState = EWordMatchStd; 

   265         TPtrC prevText = ptiengine->PreviousCandidate();

   266         if(prevText.Length() == 1)

   267    			{

   268         	TDigitType digittype = fepMan->LocalDigit();

   269             TChar chchar(prevText[0]);

   270             if(!chchar.IsDigit() || (chchar.IsDigit() && !digittype))

   271             	{ 	

   272             	fepMan->UpdateInlineEditL(prevText, prevText.Length());    

   273             	}

   274             else 

   275             	{

   276             	TBuf<1> tempbuf;

   277 	            tempbuf.Append(prevText[0]);

   278             	ConvertDigitToDigittype(digittype,tempbuf);

   279                 fepMan->UpdateInlineEditL(tempbuf, tempbuf.Length());	

   280             	}

   281    			}

   282    		else 

   283    			{        

   284 			fepMan->UpdateInlineEditL(prevText, prevText.Length());

   285    			}

   286         }

   287     else if (aCommandId == ESignalSelectMatchSelectionText)

   288         {

   289         //fepMan->UpdateCbaL(R_AKNFEP_SOFTKEYS_FINGER);

   290 #ifdef RD_SCALABLE_UI_V2

   291         fepMan->PluginUIManager()->SetFingerMatchSelectionState(EFalse);

   292 #endif //RD_SCALABLE_UI_V2

   293         iOwner->ChangeState(EInitial);

   294         }

   295     else if (aCommandId == ESignalNaviLeftMatchSelectionText)

   296         {

   297         //fepMan->UpdateCbaL(R_AKNFEP_SOFTKEYS_FINGER);

   298 #ifdef RD_SCALABLE_UI_V2

   299         fepMan->PluginUIManager()->SetFingerMatchSelectionState(EFalse);

   300 #endif //RD_SCALABLE_UI_V2

   301         iOwner->ChangeState(EEntry);

   302 

   303         TRawEvent event;

   304         event.Set(TRawEvent::EKeyDown, EStdKeyLeftArrow);

   305         CCoeEnv::Static()->WsSession().SimulateRawEvent(event);

   306         

   307         event.Set(TRawEvent::EKeyUp, EStdKeyLeftArrow);

   308         CCoeEnv::Static()->WsSession().SimulateRawEvent(event);

   309         }

   310     else if (aCommandId == ESignalNaviRightMatchSelectionText)

   311         {

   312         //fepMan->UpdateCbaL(R_AKNFEP_SOFTKEYS_FINGER);

   313 #ifdef RD_SCALABLE_UI_V2

   314         fepMan->PluginUIManager()->SetFingerMatchSelectionState(EFalse);

   315 #endif //RD_SCALABLE_UI_V2

   316         iOwner->ChangeState(EEntry);

   317 

   318         TRawEvent event;

   319         event.Set(TRawEvent::EKeyDown, EStdKeyRightArrow);

   320         CCoeEnv::Static()->WsSession().SimulateRawEvent(event);

   321         

   322         event.Set(TRawEvent::EKeyUp, EStdKeyRightArrow);

   323         CCoeEnv::Static()->WsSession().SimulateRawEvent(event);

   324         }        

   325     }

   326 

   327 TBool TAknFepInputStateEntryWesternPredictive::HandleStandardNumericKeysL(TInt aKey, 

   328                                                                           TKeyPressLength aLength)

   329     {

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

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

   332 

   333     TBool response = ETrue;

   334 

   335     if (aLength == ELongKeyPress)

   336         {

   337         if (!fepMan->IsFlagSet(CAknFepManager::EFlagInsideInlineEditingTransaction))

   338         	{

   339         	// No edit transaction going on, we have ended here because of long

   340         	// key press created editor on UI or some other similar non-standard situation.

   341         	// We can't handle key press, so just consume it.

   342         	return ETrue;	

   343         	}

   344                         

   345         // try and insert a digit

   346         if (!fepMan->TryRemoveNoMatchesIndicatorL())

   347             { 

   348             // remove last character

   349             TPtrC newText = ptiengine->DeleteKeyPress();

   350 #ifndef RD_INTELLIGENT_TEXT_INPUT

   351             if(ptiengine->InputMode() == EPtiEngineWordCompletion 

   352            && (newText.Length() > ptiengine->CurrentInputSequence().Length()))

   353             	{

   354             	    	fepMan->RemoveSuggestedCompletionL();

   355             	}

   356        		else

   357 #endif

   358 	       		{

   359             fepMan->UpdateInlineEditL(newText, newText.Length());

   360 	            }

   361             }

   362         //closing the UI will commit the current word and move to intial state

   363         fepMan->TryCloseUiL();

   364         //this flag to ensures that initial state does not send us back 

   365         //to this state as it would normally do for numeric keys

   366         fepMan->SetFlag(CAknFepManager::EFlagSuppressInputStateChange);

   367         response = EFalse;

   368         }

   369     else  // short keypress 

   370         {

   371         //To restrict up to 32 character..

   372         

   373         if(ptiengine->CurrentInputSequence().Length() >= KMaxWordSize)

   374         	{

   375             fepMan->SetFlag(CAknFepManager::EFlagNoMatches);

   376             

   377             // Enter word reach to max inline edit state

   378             // if we call upadte inline edit, it will insert '?' mark

   379             // which would be the 64th/33rd character

   380            

   381             // Not need to call appedkeypress/ updateinlineedit

   382             // ignore the current key press

   383             

   384             //fepMan->UpdateCbaL(R_AKNFEP_SOFTKEYS_SPELL_EMPTY);

   385             //TPtrC newText = ptiengine->CurrentWord();

   386 			//fepMan->UpdateInlineEditL(newText, newText.Length());

   387             }

   388         if (fepMan->IsFlagSet(CAknFepManager::EFlagNoMatches))

   389             {

   390             //no matches, so just play tone

   391             fepMan->PlaySound(EAvkonSIDConfirmationTone);

   392             }           

   393         else //insert a letter

   394             {

   395             fepMan->SetCcpuFlag(CAknFepManager::ECcpuStateIgnoreStarUp |

   396                                 CAknFepManager::ECcpuStateNewPredictiveWord);

   397             if (iMatchState == EWordMatchLast || iMatchState == EWordMatchAfterLast)

   398                 {

   399                 iMatchState = EWordMatchNone;

   400                 }

   401             if (!(fepMan->IsFlagSet(CAknFepManager::EFlagInsideInlineEditingTransaction)))

   402                 { // 'new' inline edit

   403                 ptiengine->ClearCurrentWord();

   404                 fepMan->StartInlineEditL();

   405                 fepMan->TryStartCompoundWord();

   406                 }

   407 #ifndef RD_INTELLIGENT_TEXT_INPUT

   408   			TInt prevSeqLength = ptiengine->CurrentInputSequence().Length();

   409 #endif 

   410             TPtrC newText = ptiengine->AppendKeyPress((TPtiKey)aKey);

   411 

   412  			fepMan->ClearFlag(CAknFepManager::EFlagRemoveMatchesMenuItem);   

   413  			

   414 #ifdef RD_INTELLIGENT_TEXT_INPUT

   415  			if (ptiengine->NumberOfCandidates() > 0)

   416 #else

   417            if ((fepMan->IsMoreGoodWordsComing(newText.Length())

   418 #ifndef RD_INTELLIGENT_TEXT_INPUT

   419 				&& (ptiengine->InputMode() != EPtiEngineWordCompletion))

   420                 || fepMan->IsMoreGoodAutoCompleteWordsComing(ptiengine->InputMode(), 

   421                 										  prevSeqLength, ptiengine->CurrentInputSequence().Length()

   422 #endif

   423 		))

   424 #endif

   425                 {

   426                 // more good words coming in from predictive text engine so carry on

   427                 if(newText.Length() == 1)

   428            			{

   429 	            	TDigitType digittype = fepMan->LocalDigit();

   430 	                TChar chchar(newText[0]);

   431 	                if(!chchar.IsDigit() || (chchar.IsDigit() && !digittype))

   432 	                	{ 	

   433 	                	fepMan->UpdateInlineEditL(newText, newText.Length());    

   434     	            	}

   435 	                else 

   436 	                	{

   437 	                	TBuf<1> tempbuf;

   438 	                	tempbuf.Append(newText[0]);

   439 		            	ConvertDigitToDigittype(digittype,tempbuf);

   440 		                fepMan->UpdateInlineEditL(tempbuf, tempbuf.Length());				                	

   441 	                	}

   442            			}

   443            		else 

   444            			{

   445            			fepMan->UpdateInlineEditL(newText, newText.Length());	

   446            			}

   447            			

   448                 TBool lastEnteredDigitOne = (ptiengine->LastEnteredKey() == EPtiKey1);

   449                 if (!lastEnteredDigitOne)

   450                     {

   451                     iOwner->CaseMan()->UpdateCase(ENullNaviEvent);

   452                     }

   453                 fepMan->ClearFlag(CAknFepManager::EFlagRemoveMatchesMenuItem);

   454 				if (ptiengine->NumberOfCandidates() <= 1)                    

   455 					{

   456 	                fepMan->SetFlag(CAknFepManager::EFlagRemoveMatchesMenuItem);                					

   457 					}

   458                 }

   459             else 

   460                 {

   461                 // engine has run out of matches

   462                 fepMan->SetFlag(CAknFepManager::EFlagRemoveMatchesMenuItem);                

   463                 fepMan->SetFlag(CAknFepManager::EFlagNoMatches);

   464                 fepMan->UpdateCbaL(R_AKNFEP_SOFTKEYS_SPELL_EMPTY);

   465                 if(newText.Length() == 1)

   466            			{

   467 	            	TDigitType digittype = fepMan->LocalDigit();

   468 	                TChar chchar(newText[0]);

   469 	                if(!chchar.IsDigit() || (chchar.IsDigit() && !digittype))

   470 	                	{ 	

   471 	                	fepMan->UpdateInlineEditL(newText, newText.Length());    

   472     	            	}

   473 	                else 

   474 	                	{

   475 	                	TBuf<1> tempbuf;

   476 	                	tempbuf.Append(newText[0]);

   477 		            	ConvertDigitToDigittype(digittype,tempbuf);

   478 		                fepMan->UpdateInlineEditL(tempbuf, tempbuf.Length());					                	

   479 	                	}

   480            			}

   481            		else 

   482            			{

   483 #ifdef RD_INTELLIGENT_TEXT_INPUT

   484            			// Remove the autocompletion tail if present

   485                     if (fepMan->IsAutoCompleteOn())

   486                         {

   487                         TInt tailLength = 0;

   488                         ptiengine->HandleCommandL( EPtiCommandGetAutoCompletionTailLength, 

   489                                                   &tailLength );

   490                         if(tailLength > 0)

   491                             {

   492                             // To remove the autocompletion part, the below function is used. 

   493                             // DeleteKeyPress was used earlier. This is removed to fix the bug :

   494                             // enter characters to show autocompletion part. Now press a 

   495                             // character so that the no matches character is shown. Now press

   496                             // backspace key, last character is not deleted.

   497                             fepMan->RemoveSuggestedAdvanceCompletionL();

   498                             fepMan->PlaySound(EAvkonSIDConfirmationTone);

   499                             return response;

   500                             }

   501                         }

   502 #endif

   503            			fepMan->UpdateInlineEditL(newText, newText.Length());	

   504            			}

   505                 fepMan->PlaySound(EAvkonSIDConfirmationTone);

   506                 }

   507             }

   508         }

   509     return response;

   510     }

   511 

   512 TBool TAknFepInputStateEntryWesternPredictive::HandleNaviKeysL(TInt aKey, TKeyPressLength /*aLength*/)

   513     {

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

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

   516 

   517     if (!(fepMan->IsFlagSet(CAknFepManager::EFlagInsideInlineEditingTransaction)))

   518         {

   519         TBuf<CAknFepManager::EMaximumFepWordLength> textToUncommit;

   520         TBool comsumeKey;

   521         if (!(fepMan->TryGetTextToUncommitL(textToUncommit, aKey, comsumeKey)))

   522             {

   523             // If T9 word length > 32, the navi key is consumed without action.

   524             // Maybe should navigate inside word.

   525             return comsumeKey;

   526             }

   527 #ifdef RD_INTELLIGENT_TEXT_INPUT

   528         ptiengine->ClearCurrentWord(); // Clear the buffer or setting input may fail

   529 #endif

   530         ptiengine->SetCurrentWord(textToUncommit);

   531         if( ptiengine->CurrentWord().Length() != textToUncommit.Length())

   532         	{

   533         	TPtiUserDictionaryEntry newUdbEntry(textToUncommit);

   534         	ptiengine->AddUserDictionaryEntry(newUdbEntry);

   535         	ptiengine->SetCurrentWord(textToUncommit);

   536         	}

   537 

   538 #ifdef   __ITI_VIRTUAL_TOUCH_FIRST_GENERATION_SUPPORT__ 

   539 		// First generation ITUT support loops through candidate list on star key press. When we bring

   540 		// a word in inline edit by navigating with arrow keys, we need to fetch the candidate list in order

   541 		// to navigate through the predictive list if any or get spell CBA.

   542         CDesCArrayFlat* matchesList=new(ELeave)CDesCArrayFlat(1);

   543         CleanupStack::PushL(matchesList);

   544         ptiengine->GetCandidateListL(*matchesList);

   545         CleanupStack::PopAndDestroy();//matchesList

   546 #endif        

   547         	

   548 		fepMan->ClearFlag(CAknFepManager::EFlagRemoveMatchesMenuItem);           

   549         if (ptiengine->NumberOfCandidates() <= 1)

   550         	{

   551 			fepMan->SetFlag(CAknFepManager::EFlagRemoveMatchesMenuItem);           	

   552         	}        

   553         if (ptiengine->NumberOfCandidates() < 1)

   554         	{

   555             fepMan->SetFlag(CAknFepManager::EFlagNoMatches);

   556             fepMan->UpdateCbaL(R_AKNFEP_SOFTKEYS_SPELL_EMPTY);           	

   557         	}

   558 			

   559         fepMan->StartInlineEditL(fepMan->UncommittedText(), textToUncommit, 

   560                                  textToUncommit.Length(), EFalse);

   561         }

   562     

   563     if (aKey == EKeyBackspace)

   564         {

   565         if (fepMan->IsFlagSet(CAknFepManager::EFlagNoMatches))

   566             {

   567             fepMan->TryRemoveNoMatchesIndicatorL();

   568             fepMan->UpdateCbaL(NULL);

   569 #ifdef RD_INTELLIGENT_TEXT_INPUT

   570             ptiengine->HandleCommandL(EPtiCommandSetFlagToUpdateCandidates);

   571 #endif //RD_INTELLIGENT_TEXT_INPUT

   572             // Need to return as DeleteKeyPress should not be passed to ptiengine.

   573             // This is because ptiengine does not maintain the input sequence

   574             // if the key press does not increase the word length. So when no matches

   575             // character is (?) is deleted, no need to pass to ptiengine. This is to done

   576             // to solve the bug :enter characters till the no matches character is shown. Now press

   577             // backspace, last character is not deleted.

   578             return ETrue;

   579             }

   580         else if (iMatchState != EWordMatchFirst)

   581             {

   582             //let FirstWordInSelectionList() reset the CBA

   583             iMatchState = EWordMatchNone;

   584             }

   585         

   586         TPtrC newText = ptiengine->DeleteKeyPress();

   587 #ifdef RD_INTELLIGENT_TEXT_INPUT

   588         TPtiEngineInputMode inputMode = ptiengine->InputMode();

   589         if((inputMode != EPtiEngineWordCompletion && inputMode != EPtiEnginePredictive )

   590         	&& newText.Length() != ptiengine->CurrentInputSequence().Length())

   591 #else

   592         if((ptiengine->InputMode() != EPtiEngineWordCompletion )

   593             	&& newText.Length() != ptiengine->CurrentInputSequence().Length())

   594 #endif

   595         {

   596         	TBuf<CAknFepManager::EMaximumFepWordLength> textToUncommit;

   597         	TBool comsumeKey;

   598         	fepMan->TryGetTextToUncommitL(textToUncommit, aKey, comsumeKey);

   599            	textToUncommit.SetLength(textToUncommit.Length() - 1);

   600            	ptiengine->SetCurrentWord(textToUncommit);

   601            	newText.Set(textToUncommit);

   602         }

   603         

   604 

   605 #ifdef RD_INTELLIGENT_TEXT_INPUT

   606         if (!fepMan->IsAutoCompleteOn())

   607             {

   608 			// rip-off the autocompletion part if any, do this before updating the editor content

   609 			// this is done to avoid any flickering

   610     	    TInt tailLength = 0;

   611         	ptiengine->HandleCommandL( EPtiCommandGetAutoCompletionTailLength, 

   612                                             &tailLength );

   613 	        if(tailLength > 0)

   614     	        {

   615         	    fepMan->RemoveSuggestedAdvanceCompletionL();

   616 				// text would have changed after ripping off the autocompletion part

   617 	            newText.Set(ptiengine->CurrentWord());

   618     	        }

   619             }

   620 #endif            

   621             

   622         fepMan->UpdateInlineEditL(newText, newText.Length());                    

   623 		fepMan->ClearFlag(CAknFepManager::EFlagRemoveMatchesMenuItem);           

   624         if (ptiengine->NumberOfCandidates() <= 1)

   625         	{

   626 			fepMan->SetFlag(CAknFepManager::EFlagRemoveMatchesMenuItem);           	

   627         	}

   628 

   629         iOwner->CaseMan()->UpdateCase(EBackspaceEvent);

   630         fepMan->CloseUiIfWordDeletedL();

   631         }

   632     return ETrue;

   633     }

   634 

   635 TBool TAknFepInputStateEntryWesternPredictive::HandleStarKeyL(TKeyPressLength aLength)

   636     {

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

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

   639 

   640     if (aLength == ELongKeyPress)

   641         { 

   642 // Fix for BSAN-7G5944. 

   643 // In non-ITI mode, during long star key press, initially it is treated as short key press 

   644 // and the next candidate word is shown. So before displaying the SCT, we revert to

   645 // the previous candidate. In ITI, long star key press does not result in showing the next

   646 // candidate, as short key press only launches the candidate list.

   647 // So reverting to the previous candidate is not needed in ITI mode.        

   648 #ifndef RD_INTELLIGENT_TEXT_INPUT        

   649         if (fepMan->IsFlagSet(CAknFepManager::EFlagInsideInlineEditingTransaction))

   650             {

   651             // replace with previous match

   652             fepMan->TryRemoveNoMatchesIndicatorL();

   653             iMatchState = EWordMatchStd;

   654             TPtrC newText = ptiengine->PreviousCandidate();

   655             fepMan->UpdateInlineEditL(newText, newText.Length());

   656             }

   657 		// to rip off suggested completion when SCT is launched

   658 		if(fepMan->IsAutoCompleteOn()) 

   659 			{

   660 			fepMan->RemoveSuggestedCompletionL();	

   661 			}

   662 #endif

   663             

   664        	fepMan->LaunchSpecialCharacterTableL();

   665         }

   666     else 

   667         {

   668 #ifdef RD_INTELLIGENT_TEXT_INPUT

   669 #ifndef FF_ITI_VIRTUAL_TOUCH_FIRST_GENERATION_SUPPORT

   670         // Short key presses get filtered in AknFepKeyCatcher, so that short star

   671         // key press only gets through when the key is lifted. This means we can

   672         // launch the candidate popup without worrying about long keypress

   673         if (fepMan->WesternPredictive() && aLength == EShortKeyPress && !fepMan->IsQwerty()

   674         	&& fepMan->IsFlagSet(CAknFepManager::EFlagInsideInlineEditingTransaction)

   675         	&& ptiengine->NumberOfCandidates() > 0 

   676         	&& fepMan->PluginUIManager()->PluginInputMode() == EPluginInputModeNone )

   677         	{

   678     		// With short * key press and candidates remaining, override normal behaviour

   679         	// and function like arrow down

   680         	TInt wordIndexToSelect = 0;

   681         	TInt lastCandidateIndex = ptiengine->NumberOfCandidates()-1;

   682     		ptiengine->HandleCommandL( EPtiCommandUserActionGetCurrentIndexOfCandidates, 

   683 					&wordIndexToSelect );

   684     		wordIndexToSelect < lastCandidateIndex ? wordIndexToSelect++ : wordIndexToSelect = 0;

   685     		fepMan->LaunchCandidatePopupListL( wordIndexToSelect );

   686     		return ETrue;

   687         	}

   688 #endif // FF_ITI_VIRTUAL_TOUCH_FIRST_GENERATION_SUPPORT  

   689 #endif // RD_INTELLIGENT_TEXT_INPUT          

   690         if (fepMan->IsFlagSet(CAknFepManager::EFlagInsideInlineEditingTransaction))

   691             {

   692 #ifdef RD_SCALABLE_UI_V2

   693         	if ( (iIsLastWord || ptiengine->NumberOfCandidates() == 1) 

   694        	         && ( fepMan->PluginUIManager()->PluginInputMode() == EPluginInputModeItut ) )

   695         	    {

   696                 fepMan->PluginUIManager()->SetFingerMatchSelectionState(ETrue);

   697         	    fepMan->PluginUIManager()->ShowAllCandidates();

   698         	    iMatchState = EWordMatchNone;

   699         	    iIsLastWord = EFalse;

   700         	    return ETrue;

   701         	    }

   702             

   703 #endif //RD_SCALABLE_UI_V2

   704             

   705             if (fepMan->IsFlagSet(CAknFepManager::EFlagNoMatches))

   706                 {

   707                 CAknFepManager* fepMgr = static_cast<CAknFepManager*>(fepMan);

   708                 if(( fepMgr->EditorState()->Flags() & EAknEditorFlagEnablePartialScreen ) &&

   709                    ( fepMgr->PluginUIManager()->PluginInputMode() == EPluginInputModeItut ))

   710                     {

   711                     // launch full screen query for split itut

   712                     fepMgr->LaunchEditWordQueryL();

   713                     }

   714                 else

   715                     {

   716                     //no more matches

   717                     fepMan->PlaySound(EAvkonSIDWarningTone);

   718                     }

   719                 }

   720             else if (ptiengine->NumberOfCandidates() <= 1) //1

   721                 { 

   722                 // only one match

   723                 if (iMatchState == EWordMatchFirst || iMatchState == EWordMatchNone)

   724                     {

   725                     fepMan->UpdateCbaL(R_AKNFEP_SOFTKEYS_SPELL_EMPTY);

   726                     iMatchState = EWordMatchLast;

   727                     }

   728                 }

   729             else

   730                 {

   731                 if (iMatchState == EWordMatchLast && !(ptiengine->LastEnteredKey() == EPtiKey1))

   732                     {

   733                     fepMan->UpdateCbaL(R_AKNFEP_SOFTKEYS_SPELL_PREVIOUS);

   734                     }

   735                 else if (iMatchState == EWordMatchFirst || iMatchState == EWordMatchNone)

   736                     {

   737                     fepMan->UpdateCbaL(R_AKNFEP_SOFTKEYS_EMPTY_PREVIOUS);

   738                     iMatchState = EWordMatchStd;

   739                     }

   740                     

   741                 TPtrC newText = ptiengine->NextCandidate();

   742            		if(newText.Length() == 1)

   743            			{

   744 	            	TDigitType digittype = fepMan->LocalDigit();

   745 	                TChar chchar(newText[0]);

   746 	                if(!chchar.IsDigit() || (chchar.IsDigit() && !digittype))

   747 	                	{ 	

   748 	                	fepMan->UpdateInlineEditL(newText, newText.Length());    

   749     	            	}

   750 	                else 

   751 	                	{

   752 	                	TBuf<1> tempbuf;

   753 	                	tempbuf.Append(newText[0]);

   754 		            	ConvertDigitToDigittype(digittype,tempbuf);

   755 		                fepMan->UpdateInlineEditL(tempbuf, tempbuf.Length());	

   756 	                	}

   757            			}

   758            		else 

   759            			{

   760            			fepMan->UpdateInlineEditL(newText, newText.Length());	

   761            			}

   762                 }

   763             }

   764         else

   765             {

   766   			if (!fepMan->EditSubmenuInUse())

   767         		{

   768         		fepMan->LaunchSpecialCharacterTableL();

   769         		}

   770             }          

   771         }

   772     return ETrue;

   773     }

   774 

   775 void TAknFepInputStateEntryWesternPredictive::LastWordInSelectionList()

   776     {

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

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

   779     

   780     iIsLastWord = ETrue;

   781     

   782     if (iMatchState != EWordMatchAfterLast)

   783         {

   784         TInt newResource = R_AKNFEP_SOFTKEYS_SPELL_PREVIOUS;

   785         if (ptiengine->LastEnteredKey() == EPtiKey1)

   786             {

   787             newResource=R_AKNFEP_SOFTKEYS_SYMBOL_PREVIOUS;

   788             }

   789         TRAP_IGNORE(fepMan->UpdateCbaL(newResource));

   790         iMatchState = EWordMatchLast;

   791         }

   792     }

   793 

   794 void TAknFepInputStateEntryWesternPredictive::FirstWordInSelectionList()

   795     {   

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

   797 

   798     iIsLastWord = EFalse;

   799 

   800     if (iMatchState == EWordMatchLast)

   801         {

   802         //have cycled past the last word back to the beginning

   803         iMatchState = EWordMatchAfterLast;

   804         }

   805     else if (iMatchState == EWordMatchNone || iMatchState == EWordMatchStd) // called on every new keypress so checked to stop constant update

   806         {

   807         //have started/restarted a word or

   808         //have got back to the beginning using previous

   809         TRAP_IGNORE(fepMan->UpdateCbaL(NULL));

   810         iMatchState = EWordMatchFirst;

   811         }

   812     }

   813 

   814 void TAknFepInputStateEntryWesternPredictive::DoPreviousMatchL()

   815     {

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

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

   818     

   819     if (fepMan->IsFlagSet(CAknFepManager::EFlagNoMatches))

   820         {

   821         //no more matches

   822         fepMan->PlaySound(EAvkonSIDWarningTone);

   823         }

   824     else if (ptiengine->NumberOfCandidates()<=1)

   825         { 

   826         // only one match

   827         if (iMatchState == EWordMatchFirst || iMatchState == EWordMatchNone)

   828             {

   829             fepMan->UpdateCbaL(R_AKNFEP_SOFTKEYS_SPELL_EMPTY);

   830             iMatchState = EWordMatchLast;

   831             }

   832         }

   833     else

   834         { 

   835         // > 1 match

   836         if (iMatchState == EWordMatchLast || iMatchState == EWordMatchAfterLast)

   837             {

   838             fepMan->UpdateCbaL(R_AKNFEP_SOFTKEYS_EMPTY_PREVIOUS);

   839             }

   840         else if (iMatchState == EWordMatchFirst || iMatchState == EWordMatchNone)

   841             {

   842             fepMan->UpdateCbaL(R_AKNFEP_SOFTKEYS_EMPTY_PREVIOUS);

   843             }

   844         iMatchState = EWordMatchStd;

   845         TPtrC newText = ptiengine->PreviousCandidate();

   846         fepMan->UpdateInlineEditL(newText, newText.Length());

   847         }

   848     }

   849 

   850 void TAknFepInputStateEntryWesternPredictive::DoNextMatch()

   851     {

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

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

   854     

   855     if (fepMan->IsFlagSet(CAknFepManager::EFlagNoMatches))

   856         {

   857         //no more matches

   858         fepMan->PlaySound(EAvkonSIDWarningTone);

   859         }

   860     else if (ptiengine->NumberOfCandidates()<=1)

   861         { 

   862         // only one match

   863         if (iMatchState == EWordMatchFirst || iMatchState == EWordMatchNone)

   864             {

   865             TRAP_IGNORE(fepMan->UpdateCbaL(R_AKNFEP_SOFTKEYS_SPELL_EMPTY));

   866             iMatchState = EWordMatchLast;

   867             }

   868         }

   869     else

   870         { 

   871         // > 1 match

   872         if (iMatchState == EWordMatchLast && !(ptiengine->LastEnteredKey() == EPtiKey1))

   873             {

   874             TRAP_IGNORE(fepMan->UpdateCbaL(R_AKNFEP_SOFTKEYS_SPELL_PREVIOUS));

   875             }

   876         else if (iMatchState == EWordMatchFirst || iMatchState == EWordMatchNone)

   877             {

   878             TRAP_IGNORE(fepMan->UpdateCbaL(R_AKNFEP_SOFTKEYS_EMPTY_PREVIOUS));

   879             iMatchState = EWordMatchStd;

   880             }

   881         TPtrC newText = ptiengine->NextCandidate();

   882         TRAP_IGNORE(fepMan->UpdateInlineEditL(newText, newText.Length()));

   883         }

   884     }

   885 

   886 void TAknFepInputStateEntryWesternPredictive::ConvertDigitToDigittype(TDigitType& digittype,

   887                                                                       TDes& aConvertedNumeral)

   888 	{

   889 	TChar chchar(aConvertedNumeral[0]);

   890 	switch(digittype)

   891     	{

   892     	case EDigitTypeDevanagari:

   893         	{

   894         	chchar = (aConvertedNumeral[0] + KLatinToDevanagariDigitsDelta);

   895 	    	}

   896         	break;	

   897         case EDigitTypeArabicIndic:

   898             {

   899         	chchar = (aConvertedNumeral[0] + KLatinToArabicIndicDigitsDelta);

   900 	        }

   901             break;

   902     	case EDigitTypeEasternArabicIndic:

   903         	{

   904         	chchar = (aConvertedNumeral[0] + KLatinToEasternArabicIndicDigitsDelta);

   905         	}

   906     	}

   907     aConvertedNumeral.Zero();

   908     aConvertedNumeral.Append(chchar);

   909 	}

   910 

   911 TBool TAknFepInputStateEntryWesternPredictive::IsMoreCandidate()

   912     {

   913     TBool ret = ETrue;

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

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

   916     

   917     if (fepMan->IsFlagSet(CAknFepManager::EFlagNoMatches))

   918         {

   919         ret = EFalse;

   920         }

   921 

   922     if (ptiengine->NumberOfCandidates() < 1)

   923         { 

   924         ret = EFalse;

   925         }

   926     else if (ptiengine->NextCandidate().Length() == 0)

   927         {

   928         ret = EFalse;

   929         }

   930     else

   931         {

   932         ptiengine->PreviousCandidate();    

   933         }    

   934     

   935     return ret;

   936     }

   937 

   938 // End of file