fep/aknfep/src/AknFepUiInputStateInitialVietnameseMultitap.cpp
branchRCL_3
changeset 44 ecbabf52600f
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43:ebd48d2de13c 44:ecbabf52600f
       
     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 TAknFepInputStateInitialVietnameseMultitap methods.
       
    16 *
       
    17 */
       
    18 
       
    19 
       
    20 
       
    21 
       
    22 
       
    23 
       
    24 
       
    25 
       
    26 
       
    27 
       
    28 
       
    29 
       
    30 #include "AknFepUIInputStateInitialVietnameseMultitap.h"
       
    31 #include "AknFepUIManagerStateInterface.h"      //MAknFepUIManagerStateInterface
       
    32 
       
    33 #include "AknFepCaseManager.h"
       
    34 #include "AknFepVietnameseToneManager.h"
       
    35 
       
    36 #include <uikon.hrh>
       
    37 
       
    38 #include <PtiEngine.h>
       
    39 #include <PtiDefs.h>
       
    40 #include <aknSctDialog.h>
       
    41 #include <avkon.rsg>
       
    42 #include <aknfep.rsg>
       
    43 
       
    44 #include "AknFepUiManagerWestern.h"
       
    45 
       
    46 TAknFepInputStateInitialVietnameseMultitap::
       
    47 TAknFepInputStateInitialVietnameseMultitap(MAknFepUIManagerStateInterface* aOwner)
       
    48 :TAknFepInputStateInitialMultitapBase(aOwner)
       
    49     {
       
    50     CPtiEngine* ptiengine = iOwner->PtiEngine();
       
    51     TPtiTextCase caseMode = ptiengine->Case();
       
    52     ptiengine->SetCase(caseMode);
       
    53     }
       
    54 
       
    55 TBool TAknFepInputStateInitialVietnameseMultitap::HandleKeyL(TInt aKey, TKeyPressLength aLength)
       
    56     {
       
    57     TBool bHandled = EFalse;
       
    58 
       
    59     MAknFepManagerUIInterface* fepMan = iOwner->FepMan();
       
    60     CAknFepUIManagerWestern* uiMan = static_cast<CAknFepUIManagerWestern*>(iOwner);
       
    61     CAknFepVietnameseToneManager* toneMgr = uiMan->VietnameseToneManager();
       
    62     CPtiEngine* ptiEng = fepMan->PtiEngine();
       
    63 
       
    64     toneMgr->SetFepManager(fepMan);
       
    65 
       
    66     if (aKey == EPtiKeyStar)
       
    67         {
       
    68         if (aLength == EShortKeyPress)
       
    69             {
       
    70             if (!toneMgr->IsLooping())
       
    71                 {
       
    72                 // Start looping status
       
    73                 if (toneMgr->StartToneMarkLooping())
       
    74                     {
       
    75                     // Save the vowel for undo back deletion
       
    76                     toneMgr->SetDeletedVowel(fepMan->PreviousChar());
       
    77                     
       
    78                     ((CAknFepManager*)fepMan)->RemovePreviousCharacterL();    // remove previous char
       
    79                     }
       
    80                 }
       
    81             
       
    82             // Process the interim looping state
       
    83             if (toneMgr->IsLooping())
       
    84                 {
       
    85                 // Get current tone mark
       
    86                 TText toneVowel = toneMgr->GetVowelWithToneMark();
       
    87                 toneMgr->IncrementToneMark();
       
    88 
       
    89                 TBuf<CAknFepManager::ESingleCharacter> aChr;
       
    90                 aChr.Append(toneVowel);
       
    91 
       
    92                 // Update inline character(s)
       
    93                 fepMan->CancelInlineEdit();
       
    94                 fepMan->NewCharacterL(aChr);
       
    95 
       
    96                 // Reset the engine timer so that we can get timer expired message
       
    97                 // We send the * key, and clear it in the next loop
       
    98                 ptiEng->ClearCurrentWord();
       
    99                 ptiEng->AppendKeyPress((TPtiKey)aKey);
       
   100 
       
   101                 bHandled = ETrue;
       
   102                 
       
   103                 if (fepMan->EditSubmenuInUse())
       
   104                     {
       
   105                     // Looping tone marks, supress edit-menu.
       
   106                     fepMan->SetCcpuFlag(CAknFepManager::ECcpuStateIgnoreStarUp);
       
   107                     }
       
   108                 }
       
   109             }
       
   110         else if (aLength == ELongKeyPress)
       
   111             {
       
   112             // Reset the key event so that the TAknFepInputStateInitialMultitapBase will
       
   113             // parse this event as a short key event, default reaction is to launch SCT
       
   114             aLength = EShortKeyPress;
       
   115 
       
   116             if (toneMgr->IsLooping())
       
   117                 {
       
   118                 // Remove the previous EShortKeyPress message
       
   119                 fepMan->CancelInlineEdit();
       
   120                 toneMgr->StopToneMarkLooping();
       
   121 
       
   122                 // Undo the backdeletion
       
   123                 TText bkChr = toneMgr->GetDeletedVowel();
       
   124 
       
   125                 TBuf<CAknFepManager::ESingleCharacter> aChr;
       
   126                 aChr.Append(bkChr);
       
   127 
       
   128                 fepMan->NewCharacterL(aChr);
       
   129                 fepMan->CommitInlineEditL();
       
   130                 
       
   131                 if (fepMan->EditSubmenuInUse() && fepMan->IsAbleToLaunchSCT())
       
   132                     {
       
   133                     fepMan->LaunchSpecialCharacterTableL();
       
   134                     return ETrue;
       
   135                     }                         
       
   136                 }
       
   137             else if (fepMan->EditSubmenuInUse())
       
   138                 {
       
   139                 aLength = ELongKeyPress;
       
   140                 }
       
   141             }
       
   142         }
       
   143     
       
   144     // Implementation for the Vietnamese back deletion
       
   145     if (aKey == EKeyBackspace)
       
   146         {
       
   147         // Key looping should be cancelled as pressing backspace key
       
   148         toneMgr->StopKeyLooping();
       
   149     
       
   150         TBuf<2> newText;
       
   151         // Get the last character from the current editor
       
   152         TText prevChar = fepMan->PreviousChar();
       
   153         
       
   154         // Judge if the last character needs to be converted
       
   155         if ( NeedsVietnameseBkDelSupport(prevChar, newText) )
       
   156             {
       
   157             // Delete the prev character and send the new character to editor
       
   158             ((CAknFepManager*)fepMan)->RemovePreviousCharacterL();
       
   159             fepMan->NewCharacterL(newText);
       
   160             fepMan->CommitInlineEditL();
       
   161             // Stop looping for backspace operation
       
   162             if( toneMgr->IsLooping() )
       
   163                 {
       
   164                 toneMgr->StopToneMarkLooping();
       
   165                 }
       
   166             return ETrue;
       
   167             }
       
   168         else
       
   169             {
       
   170             if ( prevChar )
       
   171                 {
       
   172                 ((CAknFepManager*)fepMan)->RemovePreviousCharacterL();
       
   173                 }
       
   174             else
       
   175                 {
       
   176                 return EFalse;
       
   177                 }
       
   178                 
       
   179             bHandled = EFalse;
       
   180             }
       
   181         }
       
   182     
       
   183     if( aLength == EShortKeyPress )
       
   184         {
       
   185         if( toneMgr->IsKeyLooping( aKey ) )
       
   186             {
       
   187             if( toneMgr->ToneMarkIndex() !=  KErrNotFound )
       
   188                 {
       
   189                 // Get current tone mark
       
   190                 TText toneVowel;
       
   191                 if( toneMgr->GetLoopingToneMarkVowel( toneVowel ) )
       
   192                     {
       
   193                     // remove two previous chars
       
   194                     ((CAknFepManager*)fepMan)->RemovePreviousCharacterL();
       
   195                     ((CAknFepManager*)fepMan)->RemovePreviousCharacterL();
       
   196         
       
   197                     TBuf<CAknFepManager::ESingleCharacter> aChr;
       
   198                     aChr.Append(toneVowel);
       
   199                     
       
   200                     // Update inline character(s)
       
   201                     fepMan->CancelInlineEdit();
       
   202                     fepMan->NewCharacterL(aChr);
       
   203                     
       
   204                     toneMgr->SetLoopingCombined( ETrue );
       
   205                     bHandled = ETrue;
       
   206                     }
       
   207                 
       
   208                 // Reset the engine timer so that we can get timer expired message
       
   209                 // We send the * key, and clear it in the next loop
       
   210                 ptiEng->ClearCurrentWord();
       
   211                 ptiEng->AppendKeyPress((TPtiKey)EPtiKeyStar);
       
   212                 }
       
   213             else
       
   214                 {
       
   215                 if( toneMgr->IsLoopingCombined() )
       
   216                     {
       
   217                     // remove tone mark
       
   218                     TBuf<2> newText;
       
   219                     // Get the last character from the current editor
       
   220                     TText prevChar = fepMan->PreviousChar();
       
   221                     
       
   222                     // Judge if the last character needs to be converted
       
   223                     if ( NeedsVietnameseBkDelSupport(prevChar, newText) )
       
   224                         {
       
   225                         // Delete the prev character and send the new character to editor
       
   226                         ((CAknFepManager*)fepMan)->RemovePreviousCharacterL();
       
   227                         fepMan->NewCharacterL(newText);
       
   228                         fepMan->CommitInlineEditL();
       
   229                         }
       
   230                 
       
   231                     toneMgr->SetLoopingCombined( EFalse );
       
   232                     }
       
   233                 }
       
   234             }
       
   235         else
       
   236             {
       
   237             // Key looping is not supported with Backspace key
       
   238             // Otherwise the process of deleting a2222 is wrong
       
   239             if ( aKey != EKeyBackspace )
       
   240                 {
       
   241                 toneMgr->StartKeyLooping( aKey );
       
   242                 }
       
   243             }
       
   244         }
       
   245     else
       
   246         {
       
   247         // Key looping should be cancelled as long pressing key  
       
   248         // Otherwise a22 can not be inputted by press a, long press 2 and long press 2.
       
   249         toneMgr->StopKeyLooping();
       
   250         }
       
   251     
       
   252     if(!bHandled && toneMgr->IsLooping())
       
   253         {
       
   254         toneMgr->StopToneMarkLooping();
       
   255         }
       
   256     
       
   257     return bHandled ? ETrue : TAknFepInputStateInitialMultitapBase::HandleKeyL(aKey, aLength);
       
   258     }
       
   259 
       
   260 void TAknFepInputStateInitialVietnameseMultitap::KeyTimerExpired()
       
   261     {
       
   262     MAknFepManagerUIInterface* fepMan = iOwner->FepMan();
       
   263     CAknFepUIManagerWestern* uiMan = static_cast<CAknFepUIManagerWestern*>(iOwner);
       
   264     CAknFepVietnameseToneManager* toneMgr = uiMan->VietnameseToneManager();  
       
   265     CPtiEngine* ptiEng = fepMan->PtiEngine();
       
   266 
       
   267     // Try commit inline editting and clean up for future input attemps
       
   268     TRAP_IGNORE(fepMan->CommitInlineEditL());
       
   269 
       
   270     toneMgr->StopToneMarkLooping();
       
   271     toneMgr->StopKeyLooping();
       
   272     ptiEng->ClearCurrentWord();
       
   273     }
       
   274     
       
   275 TBool TAknFepInputStateInitialVietnameseMultitap::NeedsVietnameseBkDelSupport(
       
   276                                          TText aGlyphToDelete, TDes& aNewText)
       
   277     {
       
   278     TBool needBkDelSupport(EFalse);
       
   279 
       
   280     const TInt KMatrixColumn = sizeof(VietToneMatrix) / sizeof(TText) / KNumberOfToneMarks;
       
   281 
       
   282     aNewText.Zero();
       
   283 
       
   284     // Loop of the ToneMatrix columns starts from 1 because the first column of the ToneMatrix stores the vowels 
       
   285     for (TUint i = 1; (i < KMatrixColumn) && (!needBkDelSupport); ++i)
       
   286         {
       
   287         for (TUint j = 0; j < KNumberOfToneMarks; ++j)
       
   288             {
       
   289             if (VietToneMatrix[i][j] == aGlyphToDelete)
       
   290                 {
       
   291                 needBkDelSupport = ETrue;
       
   292                 aNewText.Append(VietVowelList[i - 1]);
       
   293                 break;
       
   294                 }
       
   295             }
       
   296         }
       
   297 
       
   298     return needBkDelSupport;
       
   299     }
       
   300 
       
   301 // End of file