fep/aknfep/src/AknFepUiInputStateCandidateQwertyBaseChinesePhrase.cpp
changeset 0 eb1f2e154e89
child 7 6defe5d1bd39
equal deleted inserted replaced
-1:000000000000 0:eb1f2e154e89
       
     1 /*
       
     2 * Copyright (c) 2002-2005 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:            Implementation of candidate qwerty base chinese phrase state
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 
       
    22 
       
    23 
       
    24 
       
    25 
       
    26 
       
    27 
       
    28 
       
    29 #include "AknFepUiInputStateCandidateQwertyBaseChinesePhrase.h"
       
    30 #include "AknFepUiCtrlContainerChinese.h"
       
    31 #include "AknFepUICtrlCandidatePane.h"
       
    32 #include "AknFepUIManagerStateInterface.h"  //MAknFepUIManagerStateInterface
       
    33 #include "AknFepManagerUIInterface.h"
       
    34 #include "AknFepManager.h"                  //FepMan flag
       
    35 #include "AknFepUICtrlPinyinPopup.h"
       
    36 
       
    37 #include <PtiEngine.h>                      //CPtiEngine
       
    38 
       
    39 const TUint16 KSegment = 0x0020;
       
    40 
       
    41 TAknFepInputStateCandidateQwertyBaseChinesePhrase::
       
    42 TAknFepInputStateCandidateQwertyBaseChinesePhrase(
       
    43                                 MAknFepUIManagerStateInterface* aOwner,
       
    44                                 MAknFepUICtrlContainerChinese* aUIContainer)
       
    45     :TAknFepInputStateChineseBase(aOwner, aUIContainer)
       
    46     {
       
    47     }
       
    48 
       
    49 TBool TAknFepInputStateCandidateQwertyBaseChinesePhrase::HandleKeyL(TInt aKey, TKeyPressLength /*aLength*/)
       
    50     {
       
    51     if(aKey == EStdKeyDevice1)
       
    52         {
       
    53         iOwner->FepMan()->TryCloseUiL();
       
    54         }
       
    55 
       
    56     else if(!( HandleVerticalNavigation(aKey) || HandleHorizontalNavigation(aKey) ))
       
    57         {
       
    58         TInt index = 0;
       
    59 #ifdef RD_INTELLIGENT_TEXT_INPUT
       
    60         // it may be one of the 'valid' numbers..
       
    61         TPtiKeyboardType keyboardtype = iOwner->FepMan()->KeyboardLayout();
       
    62         if ( EPtiKeyboardQwerty4x10 == keyboardtype ||
       
    63              EPtiKeyboardQwerty3x11 == keyboardtype ||
       
    64              EPtiKeyboardHalfQwerty == keyboardtype ||
       
    65              EPtiKeyboardCustomQwerty == keyboardtype)
       
    66             {      
       
    67             MPtiLanguage *lang = NULL;
       
    68             RArray < TPtiNumericKeyBinding > keybinding;
       
    69             TBool validnumkey = EFalse;
       
    70             CPtiEngine* ptiengine = iOwner->PtiEngine();
       
    71             lang = ptiengine->CurrentLanguage();
       
    72             if( ptiengine && lang )
       
    73                 {
       
    74                 TRAP_IGNORE(ptiengine->GetNumericModeKeysForQwertyL(lang->LanguageCode(), 
       
    75                                                                     keybinding, keyboardtype));
       
    76                 TInt numericKeysCount = keybinding.Count();
       
    77                 TInt candidateCount = UIContainer()->CandidatePane()->VisibleCandidateCount();
       
    78                 while ( numericKeysCount-- )
       
    79                     {
       
    80                     TPtiNumericKeyBinding numKeyBind = keybinding[numericKeysCount];
       
    81                     if ( (numKeyBind.iChar >= 0x31 && numKeyBind.iChar <= ( 0x31 + candidateCount - 1 ))
       
    82                     
       
    83                        &&(aKey == numKeyBind.iKey))
       
    84                     	{
       
    85                     	index = numKeyBind.iChar - EPtiKey0 -1;
       
    86                     	validnumkey = ETrue;
       
    87                     	break;
       
    88                     	}
       
    89                     }
       
    90                 }
       
    91             keybinding.Reset();
       
    92         
       
    93             if (!validnumkey)
       
    94             	{
       
    95             	iOwner->FepMan()->PlaySound(EAvkonSIDErrorTone);
       
    96                 return ETrue;
       
    97             	}
       
    98                 
       
    99             }
       
   100         else
       
   101             {
       
   102 #endif
       
   103             index = MapKeyToIndex(aKey);
       
   104 #ifdef RD_INTELLIGENT_TEXT_INPUT
       
   105             }             
       
   106 #endif
       
   107         MAknFepUICtrlCandidatePane* candidatePane = UIContainer()->CandidatePane();
       
   108 
       
   109         if(candidatePane->SelectIndex(index) || aKey == EStdKeyDevice3 || aKey == EStdKeyEnter)
       
   110             {
       
   111             TPtrC text = candidatePane->CurrentPhraseCandidate();
       
   112             if(text.Length())
       
   113                 {            
       
   114                 MAknFepManagerUIInterface* fepMan = iOwner->FepMan();
       
   115                 fepMan->NewTextL(text);
       
   116                 fepMan->CommitInlineEditL();
       
   117                 iOwner->PtiEngine()->SetPredictiveChineseChar(text);
       
   118                 if (fepMan->IsFlagSet(CAknFepManager::EFlagEditorFull))
       
   119                     {
       
   120                     fepMan->ClearFlag(CAknFepManager::EFlagEditorFull);
       
   121                     iOwner->FepMan()->TryCloseUiL();
       
   122                     }
       
   123                 else
       
   124                     {
       
   125 #ifdef RD_INTELLIGENT_TEXT_INPUT
       
   126                     if ( EPtiKeyboardQwerty4x10 == iOwner->FepMan()->KeyboardLayout() ||
       
   127                             EPtiKeyboardHalfQwerty == iOwner->FepMan()->KeyboardLayout() ||
       
   128                             EPtiKeyboardQwerty3x11 == iOwner->FepMan()->KeyboardLayout() )
       
   129                         {
       
   130                         UIContainer()->PinyinPopupWindow()->SetChangeState( ETrue );
       
   131                         iOwner->ChangeState(EPredictiveCandidate);
       
   132                         }                    
       
   133 #endif
       
   134                     }
       
   135                 }
       
   136             else
       
   137                 {
       
   138                 // No candidates available. Back to Entry state.
       
   139                 iOwner->ChangeState(EEntry);
       
   140                 }
       
   141             }
       
   142         }
       
   143     return ETrue;
       
   144     }
       
   145 
       
   146 TBool TAknFepInputStateCandidateQwertyBaseChinesePhrase::HandleHorizontalNavigation(TInt aKey)
       
   147     {
       
   148     MAknFepUICtrlCandidatePane* candidatePane = UIContainer()->CandidatePane();
       
   149     TBool response = EFalse;
       
   150 
       
   151     // Do navigation...
       
   152     if (aKey == EStdKeyLeftArrow)
       
   153         {
       
   154         if (candidatePane->SelectedIndex() == 0 && 
       
   155             candidatePane->IsFirstPage() )
       
   156             {
       
   157             return ETrue;
       
   158             }
       
   159         
       
   160         if(!candidatePane->SelectPrev())
       
   161             {
       
   162             candidatePane->PreviousCandidatePage();
       
   163             candidatePane->SetCandidateBuffer();
       
   164             candidatePane->SelectLastPhrase();
       
   165             }
       
   166         response = ETrue;
       
   167         }
       
   168     else if (aKey == EStdKeyRightArrow)
       
   169         {
       
   170         if ( candidatePane->IsLastPage() && 
       
   171             (candidatePane->SelectedIndex() == candidatePane->VisibleCandidateCount() - 1))
       
   172             {
       
   173             return ETrue;
       
   174             }  
       
   175                   
       
   176         if(!candidatePane->SelectNext())
       
   177             {
       
   178             candidatePane->NextCandidatePage();
       
   179             candidatePane->SetCandidateBuffer();
       
   180             candidatePane->SelectFirstPhrase();
       
   181             }
       
   182         response = ETrue;
       
   183         }
       
   184     if (response)
       
   185         {
       
   186         UpdateIndicator();
       
   187         }
       
   188     return response;
       
   189     }
       
   190 
       
   191 TBool TAknFepInputStateCandidateQwertyBaseChinesePhrase::HandleVerticalNavigation(TInt aKey)
       
   192     {
       
   193     MAknFepUICtrlCandidatePane* candidatePane = UIContainer()->CandidatePane();
       
   194     
       
   195     if (aKey == EStdKeyDownArrow || aKey == EStdKeySpace)
       
   196         {
       
   197         if (candidatePane->IsLastPage())
       
   198             {
       
   199             return ETrue;
       
   200             }
       
   201         if ( iState != EPredictiveCandidate &&
       
   202         		iState != EPredictiveInput )
       
   203         	{
       
   204             if ( candidatePane->NeedGetNewCandidatePage() )
       
   205                 {
       
   206                 if ( !iOwner->PtiEngine()->NextCandidatePage( ) )
       
   207                     {
       
   208                     if ( candidatePane->IsLastPage() )
       
   209                         {
       
   210                     iOwner->FepMan()->PlaySound( EAvkonSIDErrorTone );
       
   211                     return ETrue;
       
   212                     }
       
   213                 }
       
   214             else
       
   215                 {
       
   216                 CDesCArrayFlat* phraseCandidates = candidatePane->CandidateArray();
       
   217                 RPointerArray<HBufC> list;
       
   218                     TRAP_IGNORE(
       
   219                     GetNewCandidatesL( iOwner->PtiEngine()->CandidatePage( ), list );
       
   220                     for (TInt i = 0; i < list.Count( ); ++i )
       
   221                         {
       
   222                         phraseCandidates->AppendL( *(list[i]) );
       
   223                         }
       
   224                     list.ResetAndDestroy();)
       
   225                     }
       
   226                 }
       
   227         	}
       
   228         candidatePane->NextCandidatePage();
       
   229         }
       
   230     else if (aKey == EStdKeyUpArrow)
       
   231         {
       
   232         if (candidatePane->IsFirstPage())
       
   233             {
       
   234             return ETrue;   
       
   235             }
       
   236         candidatePane->PreviousCandidatePage(); 
       
   237         }
       
   238     else
       
   239         {
       
   240         return EFalse;
       
   241         }
       
   242     candidatePane->SetCandidateBuffer();
       
   243     candidatePane->SelectFirstPhrase();
       
   244     UpdateIndicator();
       
   245     return ETrue;
       
   246     }
       
   247 
       
   248 void TAknFepInputStateCandidateQwertyBaseChinesePhrase::UpdateIndicator()
       
   249     {
       
   250     CPtiEngine* ptiengine = iOwner->PtiEngine();
       
   251     MAknFepUICtrlContainerChinese* uiContainer = UIContainer();        
       
   252     MAknFepUICtrlCandidatePane* candidatePane = uiContainer->CandidatePane();
       
   253         
       
   254     if (candidatePane->IsFirstPage())
       
   255         {
       
   256         uiContainer->CandidatePane()->ShowUpScrollArrows(EFalse);    
       
   257         }
       
   258     else
       
   259         {
       
   260         uiContainer->CandidatePane()->ShowUpScrollArrows(ETrue);    
       
   261         }
       
   262    
       
   263    if (candidatePane->IsLastPage())
       
   264        {
       
   265        uiContainer->CandidatePane()->ShowDownScrollArrows(EFalse);     
       
   266        }
       
   267    else
       
   268    	   {
       
   269    	   uiContainer->CandidatePane()->ShowDownScrollArrows(ETrue);      
       
   270    	   }
       
   271 #ifdef RD_INTELLIGENT_TEXT_INPUT
       
   272    if(iOwner->FepMan()->KeyboardLayout() == EPtiKeyboardQwerty4x10)
       
   273    		{
       
   274    	    if(candidatePane->VisibleCandidateCount()==1)
       
   275    	    	{
       
   276    	    	uiContainer->CandidatePane()->ShowLeftScrollArrows(EFalse);
       
   277    	    	uiContainer->CandidatePane()->ShowRightScrollArrows(EFalse);
       
   278    	    	}
       
   279    	    else
       
   280    	    	{
       
   281    	    	uiContainer->CandidatePane()->ShowLeftScrollArrows(ETrue);
       
   282    	    	uiContainer->CandidatePane()->ShowRightScrollArrows(ETrue);
       
   283    	    	}	
       
   284    		}
       
   285    else
       
   286    		{
       
   287 #endif
       
   288     if (candidatePane->SelectedIndex() == 0 && 
       
   289         candidatePane->IsFirstPage() )
       
   290         {
       
   291         uiContainer->CandidatePane()->ShowLeftScrollArrows(EFalse);
       
   292         }
       
   293     else
       
   294         {
       
   295         uiContainer->CandidatePane()->ShowLeftScrollArrows(ETrue);
       
   296         }
       
   297         
       
   298     if (candidatePane->IsLastPage() && 
       
   299         (candidatePane->SelectedIndex() == candidatePane->VisibleCandidateCount() - 1))
       
   300         {
       
   301         uiContainer->CandidatePane()->ShowRightScrollArrows(EFalse);        
       
   302         }
       
   303     else
       
   304         {
       
   305         uiContainer->CandidatePane()->ShowRightScrollArrows(ETrue);
       
   306         }
       
   307     }    
       
   308 #ifdef RD_INTELLIGENT_TEXT_INPUT
       
   309     }    
       
   310 #endif
       
   311 
       
   312 // ---------------------------------------------------------------------------
       
   313 // TAknFepInputStateCandidateQwertyBaseChinesePhrase::MapKeyToIndexSelectCandidate
       
   314 // Check the select candidate numeric key is valid or not
       
   315 // ---------------------------------------------------------------------------
       
   316 //
       
   317 #ifdef RD_INTELLIGENT_TEXT_INPUT
       
   318 TBool  TAknFepInputStateCandidateQwertyBaseChinesePhrase::MapKeyToIndexSelectCandidate(
       
   319     TInt aKey,TInt& aIndex )
       
   320     {
       
   321     TBool validnumkey = EFalse;
       
   322     MPtiLanguage *lang= NULL;
       
   323     CPtiEngine* ptiengine = iOwner->PtiEngine();
       
   324     TPtiKeyboardType keyboardtype = iOwner->FepMan()->KeyboardLayout();
       
   325     if (EPtiKeyboardQwerty4x10 == keyboardtype || EPtiKeyboardQwerty3x11
       
   326             == keyboardtype || EPtiKeyboardHalfQwerty == keyboardtype
       
   327             || EPtiKeyboardCustomQwerty == keyboardtype)
       
   328         {
       
   329         RArray <TPtiNumericKeyBinding> keybinding;
       
   330         lang = ptiengine->CurrentLanguage();
       
   331         if ( ptiengine && lang )
       
   332             {
       
   333             TRAP_IGNORE(ptiengine->GetNumericModeKeysForQwertyL(lang->LanguageCode(), keybinding, keyboardtype));
       
   334             TInt numericKeysCount = keybinding.Count();
       
   335             while ( numericKeysCount-- )
       
   336                 {
       
   337                 TPtiNumericKeyBinding numKeyBind =
       
   338                         keybinding[numericKeysCount];
       
   339                 if ( (numKeyBind.iChar >= 0x31 && numKeyBind.iChar <= 0x36)
       
   340                         &&(aKey == numKeyBind.iKey))
       
   341                     {
       
   342                     aIndex = numKeyBind.iChar - EPtiKey0 - 1;
       
   343                     validnumkey = ETrue;
       
   344                     break;
       
   345                     }
       
   346                 }
       
   347             }
       
   348         keybinding.Reset();
       
   349         if ( !validnumkey ) 
       
   350             {
       
   351             iOwner->FepMan()->PlaySound(EAvkonSIDErrorTone);
       
   352             }       
       
   353         }
       
   354     else
       
   355         {
       
   356         aIndex = MapKeyToIndex(aKey);
       
   357         }
       
   358     return validnumkey ;
       
   359     }
       
   360 #endif
       
   361 // ---------------------------------------------------------------------------
       
   362 // TAknFepInputStateCandidateQwertyBaseChinesePhrase::HandleCommandL
       
   363 // Handling Command
       
   364 // ---------------------------------------------------------------------------
       
   365 //
       
   366 void TAknFepInputStateCandidateQwertyBaseChinesePhrase::HandleCommandL(
       
   367     TInt aCommandId )
       
   368     {
       
   369     TAknFepInputStateChineseBase::HandleCommandL( aCommandId );
       
   370     }
       
   371 
       
   372 void TAknFepInputStateCandidateQwertyBaseChinesePhrase::GetNewCandidatesL(const TDesC& aSource, 
       
   373                                                     RPointerArray<HBufC>& aList)
       
   374     {
       
   375     TInt start = 0;
       
   376     TInt length = 0;
       
   377 
       
   378     for (TInt ii = 0; ii < aSource.Length(); ii++)
       
   379         {
       
   380         if (aSource[ii] == KSegment)
       
   381             {
       
   382             TPtrC segment(aSource.Ptr() + start, length);
       
   383             aList.AppendL(segment.AllocL());
       
   384             start += (length + 1);
       
   385             length = 0;
       
   386             }
       
   387         else
       
   388             {
       
   389             length++;
       
   390             }
       
   391         }
       
   392 
       
   393     if (length)
       
   394         {
       
   395         TPtrC segm(aSource.Ptr() + start, length);
       
   396         aList.AppendL(segm.AllocL());
       
   397         }
       
   398     }
       
   399 
       
   400 // End of file